r8169.c 155.1 KB
Newer Older
L
Linus Torvalds 已提交
1
/*
F
Francois Romieu 已提交
2 3 4 5 6 7 8
 * r8169.c: RealTek 8169/8168/8101 ethernet driver.
 *
 * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
 * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
 * Copyright (c) a lot of people too. Please respect their work.
 *
 * See MAINTAINERS file for support contact information.
L
Linus Torvalds 已提交
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/delay.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/if_vlan.h>
#include <linux/crc32.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/init.h>
25
#include <linux/interrupt.h>
L
Linus Torvalds 已提交
26
#include <linux/dma-mapping.h>
27
#include <linux/pm_runtime.h>
28
#include <linux/firmware.h>
S
Stanislaw Gruszka 已提交
29
#include <linux/pci-aspm.h>
30
#include <linux/prefetch.h>
L
Linus Torvalds 已提交
31 32 33 34

#include <asm/io.h>
#include <asm/irq.h>

F
Francois Romieu 已提交
35
#define RTL8169_VERSION "2.3LK-NAPI"
L
Linus Torvalds 已提交
36 37 38
#define MODULENAME "r8169"
#define PFX MODULENAME ": "

39 40
#define FIRMWARE_8168D_1	"rtl_nic/rtl8168d-1.fw"
#define FIRMWARE_8168D_2	"rtl_nic/rtl8168d-2.fw"
H
hayeswang 已提交
41 42
#define FIRMWARE_8168E_1	"rtl_nic/rtl8168e-1.fw"
#define FIRMWARE_8168E_2	"rtl_nic/rtl8168e-2.fw"
H
Hayes Wang 已提交
43
#define FIRMWARE_8168E_3	"rtl_nic/rtl8168e-3.fw"
44 45
#define FIRMWARE_8168F_1	"rtl_nic/rtl8168f-1.fw"
#define FIRMWARE_8168F_2	"rtl_nic/rtl8168f-2.fw"
46
#define FIRMWARE_8105E_1	"rtl_nic/rtl8105e-1.fw"
47
#define FIRMWARE_8402_1		"rtl_nic/rtl8402-1.fw"
48

L
Linus Torvalds 已提交
49 50
#ifdef RTL8169_DEBUG
#define assert(expr) \
51 52
	if (!(expr)) {					\
		printk( "Assertion failed! %s,%s,%s,line=%d\n",	\
53
		#expr,__FILE__,__func__,__LINE__);		\
54
	}
55 56
#define dprintk(fmt, args...) \
	do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
L
Linus Torvalds 已提交
57 58 59 60 61
#else
#define assert(expr) do {} while (0)
#define dprintk(fmt, args...)	do {} while (0)
#endif /* RTL8169_DEBUG */

62
#define R8169_MSG_DEFAULT \
63
	(NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
64

L
Linus Torvalds 已提交
65 66 67 68 69
#define TX_BUFFS_AVAIL(tp) \
	(tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)

/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
   The RTL chips use a 64 element hash table based on the Ethernet CRC. */
70
static const int multicast_filter_limit = 32;
L
Linus Torvalds 已提交
71

72
#define MAX_READ_REQUEST_SHIFT	12
L
Linus Torvalds 已提交
73 74 75 76 77 78 79 80 81 82 83 84 85 86 87
#define TX_DMA_BURST	6	/* Maximum PCI burst, '6' is 1024 */
#define SafeMtu		0x1c20	/* ... actually life sucks beyond ~7k */
#define InterFrameGap	0x03	/* 3 means InterFrameGap = the shortest one */

#define R8169_REGS_SIZE		256
#define R8169_NAPI_WEIGHT	64
#define NUM_TX_DESC	64	/* Number of Tx descriptor registers */
#define NUM_RX_DESC	256	/* Number of Rx descriptor registers */
#define RX_BUF_SIZE	1536	/* Rx Buffer size */
#define R8169_TX_RING_BYTES	(NUM_TX_DESC * sizeof(struct TxDesc))
#define R8169_RX_RING_BYTES	(NUM_RX_DESC * sizeof(struct RxDesc))

#define RTL8169_TX_TIMEOUT	(6*HZ)
#define RTL8169_PHY_TIMEOUT	(10*HZ)

88 89
#define RTL_EEPROM_SIG		cpu_to_le32(0x8129)
#define RTL_EEPROM_SIG_MASK	cpu_to_le32(0xffff)
90 91
#define RTL_EEPROM_SIG_ADDR	0x0000

L
Linus Torvalds 已提交
92 93 94 95 96 97
/* write/read MMIO register */
#define RTL_W8(reg, val8)	writeb ((val8), ioaddr + (reg))
#define RTL_W16(reg, val16)	writew ((val16), ioaddr + (reg))
#define RTL_W32(reg, val32)	writel ((val32), ioaddr + (reg))
#define RTL_R8(reg)		readb (ioaddr + (reg))
#define RTL_R16(reg)		readw (ioaddr + (reg))
98
#define RTL_R32(reg)		readl (ioaddr + (reg))
L
Linus Torvalds 已提交
99 100

enum mac_version {
101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133
	RTL_GIGA_MAC_VER_01 = 0,
	RTL_GIGA_MAC_VER_02,
	RTL_GIGA_MAC_VER_03,
	RTL_GIGA_MAC_VER_04,
	RTL_GIGA_MAC_VER_05,
	RTL_GIGA_MAC_VER_06,
	RTL_GIGA_MAC_VER_07,
	RTL_GIGA_MAC_VER_08,
	RTL_GIGA_MAC_VER_09,
	RTL_GIGA_MAC_VER_10,
	RTL_GIGA_MAC_VER_11,
	RTL_GIGA_MAC_VER_12,
	RTL_GIGA_MAC_VER_13,
	RTL_GIGA_MAC_VER_14,
	RTL_GIGA_MAC_VER_15,
	RTL_GIGA_MAC_VER_16,
	RTL_GIGA_MAC_VER_17,
	RTL_GIGA_MAC_VER_18,
	RTL_GIGA_MAC_VER_19,
	RTL_GIGA_MAC_VER_20,
	RTL_GIGA_MAC_VER_21,
	RTL_GIGA_MAC_VER_22,
	RTL_GIGA_MAC_VER_23,
	RTL_GIGA_MAC_VER_24,
	RTL_GIGA_MAC_VER_25,
	RTL_GIGA_MAC_VER_26,
	RTL_GIGA_MAC_VER_27,
	RTL_GIGA_MAC_VER_28,
	RTL_GIGA_MAC_VER_29,
	RTL_GIGA_MAC_VER_30,
	RTL_GIGA_MAC_VER_31,
	RTL_GIGA_MAC_VER_32,
	RTL_GIGA_MAC_VER_33,
H
Hayes Wang 已提交
134
	RTL_GIGA_MAC_VER_34,
135 136
	RTL_GIGA_MAC_VER_35,
	RTL_GIGA_MAC_VER_36,
137
	RTL_GIGA_MAC_VER_37,
138
	RTL_GIGA_MAC_NONE   = 0xff,
L
Linus Torvalds 已提交
139 140
};

F
Francois Romieu 已提交
141 142 143 144 145
enum rtl_tx_desc_version {
	RTL_TD_0	= 0,
	RTL_TD_1	= 1,
};

F
Francois Romieu 已提交
146 147 148 149 150 151 152 153 154 155 156 157 158
#define JUMBO_1K	ETH_DATA_LEN
#define JUMBO_4K	(4*1024 - ETH_HLEN - 2)
#define JUMBO_6K	(6*1024 - ETH_HLEN - 2)
#define JUMBO_7K	(7*1024 - ETH_HLEN - 2)
#define JUMBO_9K	(9*1024 - ETH_HLEN - 2)

#define _R(NAME,TD,FW,SZ,B) {	\
	.name = NAME,		\
	.txd_version = TD,	\
	.fw_name = FW,		\
	.jumbo_max = SZ,	\
	.jumbo_tx_csum = B	\
}
L
Linus Torvalds 已提交
159

160
static const struct {
L
Linus Torvalds 已提交
161
	const char *name;
F
Francois Romieu 已提交
162
	enum rtl_tx_desc_version txd_version;
163
	const char *fw_name;
F
Francois Romieu 已提交
164 165
	u16 jumbo_max;
	bool jumbo_tx_csum;
166 167 168
} rtl_chip_infos[] = {
	/* PCI devices. */
	[RTL_GIGA_MAC_VER_01] =
F
Francois Romieu 已提交
169
		_R("RTL8169",		RTL_TD_0, NULL, JUMBO_7K, true),
170
	[RTL_GIGA_MAC_VER_02] =
F
Francois Romieu 已提交
171
		_R("RTL8169s",		RTL_TD_0, NULL, JUMBO_7K, true),
172
	[RTL_GIGA_MAC_VER_03] =
F
Francois Romieu 已提交
173
		_R("RTL8110s",		RTL_TD_0, NULL, JUMBO_7K, true),
174
	[RTL_GIGA_MAC_VER_04] =
F
Francois Romieu 已提交
175
		_R("RTL8169sb/8110sb",	RTL_TD_0, NULL, JUMBO_7K, true),
176
	[RTL_GIGA_MAC_VER_05] =
F
Francois Romieu 已提交
177
		_R("RTL8169sc/8110sc",	RTL_TD_0, NULL, JUMBO_7K, true),
178
	[RTL_GIGA_MAC_VER_06] =
F
Francois Romieu 已提交
179
		_R("RTL8169sc/8110sc",	RTL_TD_0, NULL, JUMBO_7K, true),
180 181
	/* PCI-E devices. */
	[RTL_GIGA_MAC_VER_07] =
F
Francois Romieu 已提交
182
		_R("RTL8102e",		RTL_TD_1, NULL, JUMBO_1K, true),
183
	[RTL_GIGA_MAC_VER_08] =
F
Francois Romieu 已提交
184
		_R("RTL8102e",		RTL_TD_1, NULL, JUMBO_1K, true),
185
	[RTL_GIGA_MAC_VER_09] =
F
Francois Romieu 已提交
186
		_R("RTL8102e",		RTL_TD_1, NULL, JUMBO_1K, true),
187
	[RTL_GIGA_MAC_VER_10] =
F
Francois Romieu 已提交
188
		_R("RTL8101e",		RTL_TD_0, NULL, JUMBO_1K, true),
189
	[RTL_GIGA_MAC_VER_11] =
F
Francois Romieu 已提交
190
		_R("RTL8168b/8111b",	RTL_TD_0, NULL, JUMBO_4K, false),
191
	[RTL_GIGA_MAC_VER_12] =
F
Francois Romieu 已提交
192
		_R("RTL8168b/8111b",	RTL_TD_0, NULL, JUMBO_4K, false),
193
	[RTL_GIGA_MAC_VER_13] =
F
Francois Romieu 已提交
194
		_R("RTL8101e",		RTL_TD_0, NULL, JUMBO_1K, true),
195
	[RTL_GIGA_MAC_VER_14] =
F
Francois Romieu 已提交
196
		_R("RTL8100e",		RTL_TD_0, NULL, JUMBO_1K, true),
197
	[RTL_GIGA_MAC_VER_15] =
F
Francois Romieu 已提交
198
		_R("RTL8100e",		RTL_TD_0, NULL, JUMBO_1K, true),
199
	[RTL_GIGA_MAC_VER_16] =
F
Francois Romieu 已提交
200
		_R("RTL8101e",		RTL_TD_0, NULL, JUMBO_1K, true),
201
	[RTL_GIGA_MAC_VER_17] =
F
Francois Romieu 已提交
202
		_R("RTL8168b/8111b",	RTL_TD_1, NULL, JUMBO_4K, false),
203
	[RTL_GIGA_MAC_VER_18] =
F
Francois Romieu 已提交
204
		_R("RTL8168cp/8111cp",	RTL_TD_1, NULL, JUMBO_6K, false),
205
	[RTL_GIGA_MAC_VER_19] =
F
Francois Romieu 已提交
206
		_R("RTL8168c/8111c",	RTL_TD_1, NULL, JUMBO_6K, false),
207
	[RTL_GIGA_MAC_VER_20] =
F
Francois Romieu 已提交
208
		_R("RTL8168c/8111c",	RTL_TD_1, NULL, JUMBO_6K, false),
209
	[RTL_GIGA_MAC_VER_21] =
F
Francois Romieu 已提交
210
		_R("RTL8168c/8111c",	RTL_TD_1, NULL, JUMBO_6K, false),
211
	[RTL_GIGA_MAC_VER_22] =
F
Francois Romieu 已提交
212
		_R("RTL8168c/8111c",	RTL_TD_1, NULL, JUMBO_6K, false),
213
	[RTL_GIGA_MAC_VER_23] =
F
Francois Romieu 已提交
214
		_R("RTL8168cp/8111cp",	RTL_TD_1, NULL, JUMBO_6K, false),
215
	[RTL_GIGA_MAC_VER_24] =
F
Francois Romieu 已提交
216
		_R("RTL8168cp/8111cp",	RTL_TD_1, NULL, JUMBO_6K, false),
217
	[RTL_GIGA_MAC_VER_25] =
F
Francois Romieu 已提交
218 219
		_R("RTL8168d/8111d",	RTL_TD_1, FIRMWARE_8168D_1,
							JUMBO_9K, false),
220
	[RTL_GIGA_MAC_VER_26] =
F
Francois Romieu 已提交
221 222
		_R("RTL8168d/8111d",	RTL_TD_1, FIRMWARE_8168D_2,
							JUMBO_9K, false),
223
	[RTL_GIGA_MAC_VER_27] =
F
Francois Romieu 已提交
224
		_R("RTL8168dp/8111dp",	RTL_TD_1, NULL, JUMBO_9K, false),
225
	[RTL_GIGA_MAC_VER_28] =
F
Francois Romieu 已提交
226
		_R("RTL8168dp/8111dp",	RTL_TD_1, NULL, JUMBO_9K, false),
227
	[RTL_GIGA_MAC_VER_29] =
F
Francois Romieu 已提交
228 229
		_R("RTL8105e",		RTL_TD_1, FIRMWARE_8105E_1,
							JUMBO_1K, true),
230
	[RTL_GIGA_MAC_VER_30] =
F
Francois Romieu 已提交
231 232
		_R("RTL8105e",		RTL_TD_1, FIRMWARE_8105E_1,
							JUMBO_1K, true),
233
	[RTL_GIGA_MAC_VER_31] =
F
Francois Romieu 已提交
234
		_R("RTL8168dp/8111dp",	RTL_TD_1, NULL, JUMBO_9K, false),
235
	[RTL_GIGA_MAC_VER_32] =
F
Francois Romieu 已提交
236 237
		_R("RTL8168e/8111e",	RTL_TD_1, FIRMWARE_8168E_1,
							JUMBO_9K, false),
238
	[RTL_GIGA_MAC_VER_33] =
F
Francois Romieu 已提交
239 240
		_R("RTL8168e/8111e",	RTL_TD_1, FIRMWARE_8168E_2,
							JUMBO_9K, false),
H
Hayes Wang 已提交
241
	[RTL_GIGA_MAC_VER_34] =
F
Francois Romieu 已提交
242 243
		_R("RTL8168evl/8111evl",RTL_TD_1, FIRMWARE_8168E_3,
							JUMBO_9K, false),
244
	[RTL_GIGA_MAC_VER_35] =
F
Francois Romieu 已提交
245 246
		_R("RTL8168f/8111f",	RTL_TD_1, FIRMWARE_8168F_1,
							JUMBO_9K, false),
247
	[RTL_GIGA_MAC_VER_36] =
F
Francois Romieu 已提交
248 249
		_R("RTL8168f/8111f",	RTL_TD_1, FIRMWARE_8168F_2,
							JUMBO_9K, false),
250 251 252
	[RTL_GIGA_MAC_VER_37] =
		_R("RTL8402",		RTL_TD_1, FIRMWARE_8402_1,
							JUMBO_1K, true),
253
};
254
#undef _R
255

256 257 258 259 260 261
enum cfg_version {
	RTL_CFG_0 = 0x00,
	RTL_CFG_1,
	RTL_CFG_2
};

262
static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
263
	{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK,	0x8129), 0, 0, RTL_CFG_0 },
264
	{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK,	0x8136), 0, 0, RTL_CFG_2 },
265
	{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK,	0x8167), 0, 0, RTL_CFG_0 },
266
	{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK,	0x8168), 0, 0, RTL_CFG_1 },
267 268
	{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK,	0x8169), 0, 0, RTL_CFG_0 },
	{ PCI_DEVICE(PCI_VENDOR_ID_DLINK,	0x4300), 0, 0, RTL_CFG_0 },
269
	{ PCI_DEVICE(PCI_VENDOR_ID_DLINK,	0x4302), 0, 0, RTL_CFG_0 },
270
	{ PCI_DEVICE(PCI_VENDOR_ID_AT,		0xc107), 0, 0, RTL_CFG_0 },
271 272 273
	{ PCI_DEVICE(0x16ec,			0x0116), 0, 0, RTL_CFG_0 },
	{ PCI_VENDOR_ID_LINKSYS,		0x1032,
		PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
274 275
	{ 0x0001,				0x8168,
		PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
L
Linus Torvalds 已提交
276 277 278 279 280
	{0,},
};

MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);

E
Eric Dumazet 已提交
281
static int rx_buf_sz = 16383;
282
static int use_dac;
283 284 285
static struct {
	u32 msg_enable;
} debug = { -1 };
L
Linus Torvalds 已提交
286

F
Francois Romieu 已提交
287 288
enum rtl_registers {
	MAC0		= 0,	/* Ethernet hardware address. */
289
	MAC4		= 4,
F
Francois Romieu 已提交
290 291 292 293 294 295 296 297 298 299 300 301 302
	MAR0		= 8,	/* Multicast filter. */
	CounterAddrLow		= 0x10,
	CounterAddrHigh		= 0x14,
	TxDescStartAddrLow	= 0x20,
	TxDescStartAddrHigh	= 0x24,
	TxHDescStartAddrLow	= 0x28,
	TxHDescStartAddrHigh	= 0x2c,
	FLASH		= 0x30,
	ERSR		= 0x36,
	ChipCmd		= 0x37,
	TxPoll		= 0x38,
	IntrMask	= 0x3c,
	IntrStatus	= 0x3e,
H
Hayes Wang 已提交
303

F
Francois Romieu 已提交
304
	TxConfig	= 0x40,
H
Hayes Wang 已提交
305 306
#define	TXCFG_AUTO_FIFO			(1 << 7)	/* 8111e-vl */
#define	TXCFG_EMPTY			(1 << 11)	/* 8111e-vl */
F
Francois Romieu 已提交
307

H
Hayes Wang 已提交
308 309 310 311 312 313 314 315 316
	RxConfig	= 0x44,
#define	RX128_INT_EN			(1 << 15)	/* 8111c and later */
#define	RX_MULTI_EN			(1 << 14)	/* 8111c only */
#define	RXCFG_FIFO_SHIFT		13
					/* No threshold before first PCI xfer */
#define	RX_FIFO_THRESH			(7 << RXCFG_FIFO_SHIFT)
#define	RXCFG_DMA_SHIFT			8
					/* Unlimited maximum PCI burst. */
#define	RX_DMA_BURST			(7 << RXCFG_DMA_SHIFT)
F
Francois Romieu 已提交
317

F
Francois Romieu 已提交
318 319 320 321 322
	RxMissed	= 0x4c,
	Cfg9346		= 0x50,
	Config0		= 0x51,
	Config1		= 0x52,
	Config2		= 0x53,
323 324
#define PME_SIGNAL			(1 << 5)	/* 8168c and later */

F
Francois Romieu 已提交
325 326 327 328 329 330 331 332 333 334 335
	Config3		= 0x54,
	Config4		= 0x55,
	Config5		= 0x56,
	MultiIntr	= 0x5c,
	PHYAR		= 0x60,
	PHYstatus	= 0x6c,
	RxMaxSize	= 0xda,
	CPlusCmd	= 0xe0,
	IntrMitigate	= 0xe2,
	RxDescAddrLow	= 0xe4,
	RxDescAddrHigh	= 0xe8,
336 337 338 339 340 341 342
	EarlyTxThres	= 0xec,	/* 8169. Unit of 32 bytes. */

#define NoEarlyTx	0x3f	/* Max value : no early transmit. */

	MaxTxPacketSize	= 0xec,	/* 8101/8168. Unit of 128 bytes. */

#define TxPacketMax	(8064 >> 7)
343
#define EarlySize	0x27
344

F
Francois Romieu 已提交
345 346 347 348
	FuncEvent	= 0xf0,
	FuncEventMask	= 0xf4,
	FuncPresetState	= 0xf8,
	FuncForceEvent	= 0xfc,
L
Linus Torvalds 已提交
349 350
};

351 352 353 354 355 356 357 358 359 360 361 362 363 364
enum rtl8110_registers {
	TBICSR			= 0x64,
	TBI_ANAR		= 0x68,
	TBI_LPAR		= 0x6a,
};

enum rtl8168_8101_registers {
	CSIDR			= 0x64,
	CSIAR			= 0x68,
#define	CSIAR_FLAG			0x80000000
#define	CSIAR_WRITE_CMD			0x80000000
#define	CSIAR_BYTE_ENABLE		0x0f
#define	CSIAR_BYTE_ENABLE_SHIFT		12
#define	CSIAR_ADDR_MASK			0x0fff
365 366 367
#define CSIAR_FUNC_CARD			0x00000000
#define CSIAR_FUNC_SDIO			0x00010000
#define CSIAR_FUNC_NIC			0x00020000
F
françois romieu 已提交
368
	PMCH			= 0x6f,
369 370 371 372 373 374
	EPHYAR			= 0x80,
#define	EPHYAR_FLAG			0x80000000
#define	EPHYAR_WRITE_CMD		0x80000000
#define	EPHYAR_REG_MASK			0x1f
#define	EPHYAR_REG_SHIFT		16
#define	EPHYAR_DATA_MASK		0xffff
375
	DLLPR			= 0xd0,
H
Hayes Wang 已提交
376
#define	PFM_EN				(1 << 6)
377 378 379
	DBG_REG			= 0xd1,
#define	FIX_NAK_1			(1 << 4)
#define	FIX_NAK_2			(1 << 3)
380 381
	TWSI			= 0xd2,
	MCU			= 0xd3,
H
Hayes Wang 已提交
382
#define	NOW_IS_OOB			(1 << 7)
383 384
#define	EN_NDP				(1 << 3)
#define	EN_OOB_RESET			(1 << 2)
385 386 387 388 389 390 391
	EFUSEAR			= 0xdc,
#define	EFUSEAR_FLAG			0x80000000
#define	EFUSEAR_WRITE_CMD		0x80000000
#define	EFUSEAR_READ_CMD		0x00000000
#define	EFUSEAR_REG_MASK		0x03ff
#define	EFUSEAR_REG_SHIFT		8
#define	EFUSEAR_DATA_MASK		0xff
392 393
};

394
enum rtl8168_registers {
H
Hayes Wang 已提交
395 396
	LED_FREQ		= 0x1a,
	EEE_LED			= 0x1b,
F
françois romieu 已提交
397 398 399 400 401 402 403
	ERIDR			= 0x70,
	ERIAR			= 0x74,
#define ERIAR_FLAG			0x80000000
#define ERIAR_WRITE_CMD			0x80000000
#define ERIAR_READ_CMD			0x00000000
#define ERIAR_ADDR_BYTE_ALIGN		4
#define ERIAR_TYPE_SHIFT		16
H
Hayes Wang 已提交
404 405 406 407 408 409 410
#define ERIAR_EXGMAC			(0x00 << ERIAR_TYPE_SHIFT)
#define ERIAR_MSIX			(0x01 << ERIAR_TYPE_SHIFT)
#define ERIAR_ASF			(0x02 << ERIAR_TYPE_SHIFT)
#define ERIAR_MASK_SHIFT		12
#define ERIAR_MASK_0001			(0x1 << ERIAR_MASK_SHIFT)
#define ERIAR_MASK_0011			(0x3 << ERIAR_MASK_SHIFT)
#define ERIAR_MASK_1111			(0xf << ERIAR_MASK_SHIFT)
411 412 413 414 415 416 417 418 419 420 421
	EPHY_RXER_NUM		= 0x7c,
	OCPDR			= 0xb0,	/* OCP GPHY access */
#define OCPDR_WRITE_CMD			0x80000000
#define OCPDR_READ_CMD			0x00000000
#define OCPDR_REG_MASK			0x7f
#define OCPDR_GPHY_REG_SHIFT		16
#define OCPDR_DATA_MASK			0xffff
	OCPAR			= 0xb4,
#define OCPAR_FLAG			0x80000000
#define OCPAR_GPHY_WRITE_CMD		0x8000f060
#define OCPAR_GPHY_READ_CMD		0x0000f060
H
hayeswang 已提交
422 423
	RDSAR1			= 0xd0,	/* 8168c only. Undocumented on 8168dp */
	MISC			= 0xf0,	/* 8168e only. */
F
Francois Romieu 已提交
424
#define TXPLA_RST			(1 << 29)
H
Hayes Wang 已提交
425
#define PWM_EN				(1 << 22)
426 427
};

F
Francois Romieu 已提交
428
enum rtl_register_content {
L
Linus Torvalds 已提交
429
	/* InterruptStatusBits */
F
Francois Romieu 已提交
430 431 432 433 434 435 436 437 438 439 440
	SYSErr		= 0x8000,
	PCSTimeout	= 0x4000,
	SWInt		= 0x0100,
	TxDescUnavail	= 0x0080,
	RxFIFOOver	= 0x0040,
	LinkChg		= 0x0020,
	RxOverflow	= 0x0010,
	TxErr		= 0x0008,
	TxOK		= 0x0004,
	RxErr		= 0x0002,
	RxOK		= 0x0001,
L
Linus Torvalds 已提交
441 442

	/* RxStatusDesc */
443
	RxBOVF	= (1 << 24),
444 445 446 447 448
	RxFOVF	= (1 << 23),
	RxRWT	= (1 << 22),
	RxRES	= (1 << 21),
	RxRUNT	= (1 << 20),
	RxCRC	= (1 << 19),
L
Linus Torvalds 已提交
449 450

	/* ChipCmdBits */
H
Hayes Wang 已提交
451
	StopReq		= 0x80,
F
Francois Romieu 已提交
452 453 454 455
	CmdReset	= 0x10,
	CmdRxEnb	= 0x08,
	CmdTxEnb	= 0x04,
	RxBufEmpty	= 0x01,
L
Linus Torvalds 已提交
456

457 458 459 460 461
	/* TXPoll register p.5 */
	HPQ		= 0x80,		/* Poll cmd on the high prio queue */
	NPQ		= 0x40,		/* Poll cmd on the low prio queue */
	FSWInt		= 0x01,		/* Forced software interrupt */

L
Linus Torvalds 已提交
462
	/* Cfg9346Bits */
F
Francois Romieu 已提交
463 464
	Cfg9346_Lock	= 0x00,
	Cfg9346_Unlock	= 0xc0,
L
Linus Torvalds 已提交
465 466

	/* rx_mode_bits */
F
Francois Romieu 已提交
467 468 469 470 471 472
	AcceptErr	= 0x20,
	AcceptRunt	= 0x10,
	AcceptBroadcast	= 0x08,
	AcceptMulticast	= 0x04,
	AcceptMyPhys	= 0x02,
	AcceptAllPhys	= 0x01,
473
#define RX_CONFIG_ACCEPT_MASK		0x3f
L
Linus Torvalds 已提交
474 475 476 477 478

	/* TxConfigBits */
	TxInterFrameGapShift = 24,
	TxDMAShift = 8,	/* DMA burst value (0-7) is shift this many bits */

479
	/* Config1 register p.24 */
480 481 482 483 484 485
	LEDS1		= (1 << 7),
	LEDS0		= (1 << 6),
	Speed_down	= (1 << 4),
	MEMMAP		= (1 << 3),
	IOMAP		= (1 << 2),
	VPD		= (1 << 1),
486 487
	PMEnable	= (1 << 0),	/* Power Management Enable */

488
	/* Config2 register p. 25 */
489
	MSIEnable	= (1 << 5),	/* 8169 only. Reserved in the 8168. */
490 491 492
	PCI_Clock_66MHz = 0x01,
	PCI_Clock_33MHz = 0x00,

F
Francois Romieu 已提交
493 494 495
	/* Config3 register p.25 */
	MagicPacket	= (1 << 5),	/* Wake up when receives a Magic Packet */
	LinkUp		= (1 << 4),	/* Wake up when the cable connection is re-established */
F
Francois Romieu 已提交
496
	Jumbo_En0	= (1 << 2),	/* 8168 only. Reserved in the 8168b */
497
	Beacon_en	= (1 << 0),	/* 8168 only. Reserved in the 8168b */
F
Francois Romieu 已提交
498

F
Francois Romieu 已提交
499 500 501
	/* Config4 register */
	Jumbo_En1	= (1 << 1),	/* 8168 only. Reserved in the 8168b */

502
	/* Config5 register p.27 */
F
Francois Romieu 已提交
503 504 505
	BWF		= (1 << 6),	/* Accept Broadcast wakeup frame */
	MWF		= (1 << 5),	/* Accept Multicast wakeup frame */
	UWF		= (1 << 4),	/* Accept Unicast wakeup frame */
F
Francois Romieu 已提交
506
	Spi_en		= (1 << 3),
F
Francois Romieu 已提交
507
	LanWake		= (1 << 1),	/* LanWake enable/disable */
508 509
	PMEStatus	= (1 << 0),	/* PME status can be reset by PCI RST# */

L
Linus Torvalds 已提交
510 511 512 513 514 515 516 517 518
	/* TBICSR p.28 */
	TBIReset	= 0x80000000,
	TBILoopback	= 0x40000000,
	TBINwEnable	= 0x20000000,
	TBINwRestart	= 0x10000000,
	TBILinkOk	= 0x02000000,
	TBINwComplete	= 0x01000000,

	/* CPlusCmd p.31 */
519 520 521 522 523 524 525 526 527 528
	EnableBist	= (1 << 15),	// 8168 8101
	Mac_dbgo_oe	= (1 << 14),	// 8168 8101
	Normal_mode	= (1 << 13),	// unused
	Force_half_dup	= (1 << 12),	// 8168 8101
	Force_rxflow_en	= (1 << 11),	// 8168 8101
	Force_txflow_en	= (1 << 10),	// 8168 8101
	Cxpl_dbg_sel	= (1 << 9),	// 8168 8101
	ASF		= (1 << 8),	// 8168 8101
	PktCntrDisable	= (1 << 7),	// 8168 8101
	Mac_dbgo_sel	= 0x001c,	// 8168
L
Linus Torvalds 已提交
529 530 531 532
	RxVlan		= (1 << 6),
	RxChkSum	= (1 << 5),
	PCIDAC		= (1 << 4),
	PCIMulRW	= (1 << 3),
533 534 535 536
	INTT_0		= 0x0000,	// 8168
	INTT_1		= 0x0001,	// 8168
	INTT_2		= 0x0002,	// 8168
	INTT_3		= 0x0003,	// 8168
L
Linus Torvalds 已提交
537 538

	/* rtl8169_PHYstatus */
F
Francois Romieu 已提交
539 540 541 542 543 544 545 546
	TBI_Enable	= 0x80,
	TxFlowCtrl	= 0x40,
	RxFlowCtrl	= 0x20,
	_1000bpsF	= 0x10,
	_100bps		= 0x08,
	_10bps		= 0x04,
	LinkStatus	= 0x02,
	FullDup		= 0x01,
L
Linus Torvalds 已提交
547 548

	/* _TBICSRBit */
F
Francois Romieu 已提交
549
	TBILinkOK	= 0x02000000,
550 551

	/* DumpCounterCommand */
F
Francois Romieu 已提交
552
	CounterDump	= 0x8,
L
Linus Torvalds 已提交
553 554
};

F
Francois Romieu 已提交
555 556
enum rtl_desc_bit {
	/* First doubleword. */
L
Linus Torvalds 已提交
557 558 559 560
	DescOwn		= (1 << 31), /* Descriptor is owned by NIC */
	RingEnd		= (1 << 30), /* End of descriptor ring */
	FirstFrag	= (1 << 29), /* First segment of a packet */
	LastFrag	= (1 << 28), /* Final segment of a packet */
F
Francois Romieu 已提交
561 562 563 564 565 566 567
};

/* Generic case. */
enum rtl_tx_desc_bit {
	/* First doubleword. */
	TD_LSO		= (1 << 27),		/* Large Send Offload */
#define TD_MSS_MAX			0x07ffu	/* MSS value */
L
Linus Torvalds 已提交
568

F
Francois Romieu 已提交
569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589
	/* Second doubleword. */
	TxVlanTag	= (1 << 17),		/* Add VLAN tag */
};

/* 8169, 8168b and 810x except 8102e. */
enum rtl_tx_desc_bit_0 {
	/* First doubleword. */
#define TD0_MSS_SHIFT			16	/* MSS position (11 bits) */
	TD0_TCP_CS	= (1 << 16),		/* Calculate TCP/IP checksum */
	TD0_UDP_CS	= (1 << 17),		/* Calculate UDP/IP checksum */
	TD0_IP_CS	= (1 << 18),		/* Calculate IP checksum */
};

/* 8102e, 8168c and beyond. */
enum rtl_tx_desc_bit_1 {
	/* Second doubleword. */
#define TD1_MSS_SHIFT			18	/* MSS position (11 bits) */
	TD1_IP_CS	= (1 << 29),		/* Calculate IP checksum */
	TD1_TCP_CS	= (1 << 30),		/* Calculate TCP/IP checksum */
	TD1_UDP_CS	= (1 << 31),		/* Calculate UDP/IP checksum */
};
L
Linus Torvalds 已提交
590

F
Francois Romieu 已提交
591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617
static const struct rtl_tx_desc_info {
	struct {
		u32 udp;
		u32 tcp;
	} checksum;
	u16 mss_shift;
	u16 opts_offset;
} tx_desc_info [] = {
	[RTL_TD_0] = {
		.checksum = {
			.udp	= TD0_IP_CS | TD0_UDP_CS,
			.tcp	= TD0_IP_CS | TD0_TCP_CS
		},
		.mss_shift	= TD0_MSS_SHIFT,
		.opts_offset	= 0
	},
	[RTL_TD_1] = {
		.checksum = {
			.udp	= TD1_IP_CS | TD1_UDP_CS,
			.tcp	= TD1_IP_CS | TD1_TCP_CS
		},
		.mss_shift	= TD1_MSS_SHIFT,
		.opts_offset	= 1
	}
};

enum rtl_rx_desc_bit {
L
Linus Torvalds 已提交
618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635
	/* Rx private */
	PID1		= (1 << 18), /* Protocol ID bit 1/2 */
	PID0		= (1 << 17), /* Protocol ID bit 2/2 */

#define RxProtoUDP	(PID1)
#define RxProtoTCP	(PID0)
#define RxProtoIP	(PID1 | PID0)
#define RxProtoMask	RxProtoIP

	IPFail		= (1 << 16), /* IP checksum failed */
	UDPFail		= (1 << 15), /* UDP/IP checksum failed */
	TCPFail		= (1 << 14), /* TCP/IP checksum failed */
	RxVlanTag	= (1 << 16), /* VLAN tag available */
};

#define RsvdMask	0x3fffc000

struct TxDesc {
636 637 638
	__le32 opts1;
	__le32 opts2;
	__le64 addr;
L
Linus Torvalds 已提交
639 640 641
};

struct RxDesc {
642 643 644
	__le32 opts1;
	__le32 opts2;
	__le64 addr;
L
Linus Torvalds 已提交
645 646 647 648 649 650 651 652
};

struct ring_info {
	struct sk_buff	*skb;
	u32		len;
	u8		__pad[sizeof(void *) - sizeof(u32)];
};

653
enum features {
654 655 656
	RTL_FEATURE_WOL		= (1 << 0),
	RTL_FEATURE_MSI		= (1 << 1),
	RTL_FEATURE_GMII	= (1 << 2),
657 658
};

659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674
struct rtl8169_counters {
	__le64	tx_packets;
	__le64	rx_packets;
	__le64	tx_errors;
	__le32	rx_errors;
	__le16	rx_missed;
	__le16	align_errors;
	__le32	tx_one_collision;
	__le32	tx_multi_collision;
	__le64	rx_unicast;
	__le64	rx_broadcast;
	__le32	rx_multicast;
	__le16	tx_aborted;
	__le16	tx_underun;
};

675
enum rtl_flag {
676
	RTL_FLAG_TASK_ENABLED,
677 678 679 680 681 682
	RTL_FLAG_TASK_SLOW_PENDING,
	RTL_FLAG_TASK_RESET_PENDING,
	RTL_FLAG_TASK_PHY_PENDING,
	RTL_FLAG_MAX
};

J
Junchang Wang 已提交
683 684 685 686 687 688
struct rtl8169_stats {
	u64			packets;
	u64			bytes;
	struct u64_stats_sync	syncp;
};

L
Linus Torvalds 已提交
689 690
struct rtl8169_private {
	void __iomem *mmio_addr;	/* memory map physical address */
F
Francois Romieu 已提交
691
	struct pci_dev *pci_dev;
D
David Howells 已提交
692
	struct net_device *dev;
693
	struct napi_struct napi;
694
	u32 msg_enable;
F
Francois Romieu 已提交
695 696
	u16 txd_version;
	u16 mac_version;
L
Linus Torvalds 已提交
697 698 699 700
	u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
	u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
	u32 dirty_rx;
	u32 dirty_tx;
J
Junchang Wang 已提交
701 702
	struct rtl8169_stats rx_stats;
	struct rtl8169_stats tx_stats;
L
Linus Torvalds 已提交
703 704 705 706
	struct TxDesc *TxDescArray;	/* 256-aligned Tx descriptor ring */
	struct RxDesc *RxDescArray;	/* 256-aligned Rx descriptor ring */
	dma_addr_t TxPhyAddr;
	dma_addr_t RxPhyAddr;
E
Eric Dumazet 已提交
707
	void *Rx_databuff[NUM_RX_DESC];	/* Rx data buffers */
L
Linus Torvalds 已提交
708 709 710
	struct ring_info tx_skb[NUM_TX_DESC];	/* Tx data buffers */
	struct timer_list timer;
	u16 cp_cmd;
711 712

	u16 event_slow;
713 714 715 716 717 718

	struct mdio_ops {
		void (*write)(void __iomem *, int, int);
		int (*read)(void __iomem *, int);
	} mdio_ops;

F
françois romieu 已提交
719 720 721 722 723
	struct pll_power_ops {
		void (*down)(struct rtl8169_private *);
		void (*up)(struct rtl8169_private *);
	} pll_power_ops;

F
Francois Romieu 已提交
724 725 726 727 728
	struct jumbo_ops {
		void (*enable)(struct rtl8169_private *);
		void (*disable)(struct rtl8169_private *);
	} jumbo_ops;

729 730 731 732 733
	struct csi_ops {
		void (*write)(void __iomem *, int, int);
		u32 (*read)(void __iomem *, int);
	} csi_ops;

734
	int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
735
	int (*get_settings)(struct net_device *, struct ethtool_cmd *);
736
	void (*phy_reset_enable)(struct rtl8169_private *tp);
737
	void (*hw_start)(struct net_device *);
738
	unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
L
Linus Torvalds 已提交
739
	unsigned int (*link_ok)(void __iomem *);
F
Francois Romieu 已提交
740
	int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
741 742

	struct {
743 744
		DECLARE_BITMAP(flags, RTL_FLAG_MAX);
		struct mutex mutex;
745 746 747
		struct work_struct work;
	} wk;

748
	unsigned features;
749 750

	struct mii_if_info mii;
751
	struct rtl8169_counters counters;
752
	u32 saved_wolopts;
753
	u32 opts1_mask;
754

755 756
	struct rtl_fw {
		const struct firmware *fw;
757 758 759 760 761 762 763 764 765

#define RTL_VER_SIZE		32

		char version[RTL_VER_SIZE];

		struct rtl_fw_phy_action {
			__le32 *code;
			size_t size;
		} phy_action;
766
	} *rtl_fw;
767
#define RTL_FIRMWARE_UNKNOWN	ERR_PTR(-EAGAIN)
L
Linus Torvalds 已提交
768 769
};

770
MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
L
Linus Torvalds 已提交
771 772
MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
module_param(use_dac, int, 0);
773
MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
774 775
module_param_named(debug, debug.msg_enable, int, 0);
MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
L
Linus Torvalds 已提交
776 777
MODULE_LICENSE("GPL");
MODULE_VERSION(RTL8169_VERSION);
778 779
MODULE_FIRMWARE(FIRMWARE_8168D_1);
MODULE_FIRMWARE(FIRMWARE_8168D_2);
H
hayeswang 已提交
780 781
MODULE_FIRMWARE(FIRMWARE_8168E_1);
MODULE_FIRMWARE(FIRMWARE_8168E_2);
782
MODULE_FIRMWARE(FIRMWARE_8168E_3);
783
MODULE_FIRMWARE(FIRMWARE_8105E_1);
784 785
MODULE_FIRMWARE(FIRMWARE_8168F_1);
MODULE_FIRMWARE(FIRMWARE_8168F_2);
786
MODULE_FIRMWARE(FIRMWARE_8402_1);
L
Linus Torvalds 已提交
787

788 789 790 791 792 793 794 795 796 797
static void rtl_lock_work(struct rtl8169_private *tp)
{
	mutex_lock(&tp->wk.mutex);
}

static void rtl_unlock_work(struct rtl8169_private *tp)
{
	mutex_unlock(&tp->wk.mutex);
}

F
Francois Romieu 已提交
798 799 800 801 802 803 804 805 806 807 808 809 810
static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
{
	int cap = pci_pcie_cap(pdev);

	if (cap) {
		u16 ctl;

		pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
		ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
		pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
	}
}

F
françois romieu 已提交
811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838
static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
{
	void __iomem *ioaddr = tp->mmio_addr;
	int i;

	RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
	for (i = 0; i < 20; i++) {
		udelay(100);
		if (RTL_R32(OCPAR) & OCPAR_FLAG)
			break;
	}
	return RTL_R32(OCPDR);
}

static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
{
	void __iomem *ioaddr = tp->mmio_addr;
	int i;

	RTL_W32(OCPDR, data);
	RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
	for (i = 0; i < 20; i++) {
		udelay(100);
		if ((RTL_R32(OCPAR) & OCPAR_FLAG) == 0)
			break;
	}
}

839
static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
F
françois romieu 已提交
840
{
841
	void __iomem *ioaddr = tp->mmio_addr;
F
françois romieu 已提交
842 843 844 845 846 847 848
	int i;

	RTL_W8(ERIDR, cmd);
	RTL_W32(ERIAR, 0x800010e8);
	msleep(2);
	for (i = 0; i < 5; i++) {
		udelay(100);
F
Francois Romieu 已提交
849
		if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
F
françois romieu 已提交
850 851 852
			break;
	}

853
	ocp_write(tp, 0x1, 0x30, 0x00000001);
F
françois romieu 已提交
854 855 856 857 858 859
}

#define OOB_CMD_RESET		0x00
#define OOB_CMD_DRIVER_START	0x05
#define OOB_CMD_DRIVER_STOP	0x06

F
Francois Romieu 已提交
860 861 862 863 864
static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
{
	return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
}

F
françois romieu 已提交
865 866
static void rtl8168_driver_start(struct rtl8169_private *tp)
{
F
Francois Romieu 已提交
867
	u16 reg;
F
françois romieu 已提交
868 869 870 871
	int i;

	rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);

F
Francois Romieu 已提交
872
	reg = rtl8168_get_ocp_reg(tp);
873

F
françois romieu 已提交
874 875
	for (i = 0; i < 10; i++) {
		msleep(10);
876
		if (ocp_read(tp, 0x0f, reg) & 0x00000800)
F
françois romieu 已提交
877 878 879 880 881 882
			break;
	}
}

static void rtl8168_driver_stop(struct rtl8169_private *tp)
{
F
Francois Romieu 已提交
883
	u16 reg;
F
françois romieu 已提交
884 885 886 887
	int i;

	rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);

F
Francois Romieu 已提交
888
	reg = rtl8168_get_ocp_reg(tp);
889

F
françois romieu 已提交
890 891
	for (i = 0; i < 10; i++) {
		msleep(10);
892
		if ((ocp_read(tp, 0x0f, reg) & 0x00000800) == 0)
F
françois romieu 已提交
893 894 895 896
			break;
	}
}

897 898
static int r8168dp_check_dash(struct rtl8169_private *tp)
{
F
Francois Romieu 已提交
899
	u16 reg = rtl8168_get_ocp_reg(tp);
900

F
Francois Romieu 已提交
901
	return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
902
}
F
françois romieu 已提交
903

904
static void r8169_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
L
Linus Torvalds 已提交
905 906 907
{
	int i;

908
	RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
L
Linus Torvalds 已提交
909

910
	for (i = 20; i > 0; i--) {
F
Francois Romieu 已提交
911 912 913 914
		/*
		 * Check if the RTL8169 has completed writing to the specified
		 * MII register.
		 */
915
		if (!(RTL_R32(PHYAR) & 0x80000000))
L
Linus Torvalds 已提交
916
			break;
917
		udelay(25);
L
Linus Torvalds 已提交
918
	}
919
	/*
920 921
	 * According to hardware specs a 20us delay is required after write
	 * complete indication, but before sending next command.
922
	 */
923
	udelay(20);
L
Linus Torvalds 已提交
924 925
}

926
static int r8169_mdio_read(void __iomem *ioaddr, int reg_addr)
L
Linus Torvalds 已提交
927 928 929
{
	int i, value = -1;

930
	RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
L
Linus Torvalds 已提交
931

932
	for (i = 20; i > 0; i--) {
F
Francois Romieu 已提交
933 934 935 936
		/*
		 * Check if the RTL8169 has completed retrieving data from
		 * the specified MII register.
		 */
L
Linus Torvalds 已提交
937
		if (RTL_R32(PHYAR) & 0x80000000) {
938
			value = RTL_R32(PHYAR) & 0xffff;
L
Linus Torvalds 已提交
939 940
			break;
		}
941
		udelay(25);
L
Linus Torvalds 已提交
942
	}
943 944 945 946 947 948
	/*
	 * According to hardware specs a 20us delay is required after read
	 * complete indication, but before sending next command.
	 */
	udelay(20);

L
Linus Torvalds 已提交
949 950 951
	return value;
}

952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992
static void r8168dp_1_mdio_access(void __iomem *ioaddr, int reg_addr, u32 data)
{
	int i;

	RTL_W32(OCPDR, data |
		((reg_addr & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
	RTL_W32(OCPAR, OCPAR_GPHY_WRITE_CMD);
	RTL_W32(EPHY_RXER_NUM, 0);

	for (i = 0; i < 100; i++) {
		mdelay(1);
		if (!(RTL_R32(OCPAR) & OCPAR_FLAG))
			break;
	}
}

static void r8168dp_1_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
{
	r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_WRITE_CMD |
		(value & OCPDR_DATA_MASK));
}

static int r8168dp_1_mdio_read(void __iomem *ioaddr, int reg_addr)
{
	int i;

	r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_READ_CMD);

	mdelay(1);
	RTL_W32(OCPAR, OCPAR_GPHY_READ_CMD);
	RTL_W32(EPHY_RXER_NUM, 0);

	for (i = 0; i < 100; i++) {
		mdelay(1);
		if (RTL_R32(OCPAR) & OCPAR_FLAG)
			break;
	}

	return RTL_R32(OCPDR) & OCPDR_DATA_MASK;
}

F
françois romieu 已提交
993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026
#define R8168DP_1_MDIO_ACCESS_BIT	0x00020000

static void r8168dp_2_mdio_start(void __iomem *ioaddr)
{
	RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
}

static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
{
	RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
}

static void r8168dp_2_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
{
	r8168dp_2_mdio_start(ioaddr);

	r8169_mdio_write(ioaddr, reg_addr, value);

	r8168dp_2_mdio_stop(ioaddr);
}

static int r8168dp_2_mdio_read(void __iomem *ioaddr, int reg_addr)
{
	int value;

	r8168dp_2_mdio_start(ioaddr);

	value = r8169_mdio_read(ioaddr, reg_addr);

	r8168dp_2_mdio_stop(ioaddr);

	return value;
}

1027
static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
1028
{
1029
	tp->mdio_ops.write(tp->mmio_addr, location, val);
1030 1031
}

1032 1033
static int rtl_readphy(struct rtl8169_private *tp, int location)
{
1034
	return tp->mdio_ops.read(tp->mmio_addr, location);
1035 1036 1037 1038 1039 1040 1041 1042
}

static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
{
	rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
}

static void rtl_w1w0_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
1043 1044 1045
{
	int val;

1046 1047
	val = rtl_readphy(tp, reg_addr);
	rtl_writephy(tp, reg_addr, (val | p) & ~m);
1048 1049
}

1050 1051 1052 1053 1054
static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
			   int val)
{
	struct rtl8169_private *tp = netdev_priv(dev);

1055
	rtl_writephy(tp, location, val);
1056 1057 1058 1059 1060 1061
}

static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
{
	struct rtl8169_private *tp = netdev_priv(dev);

1062
	return rtl_readphy(tp, location);
1063 1064
}

1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096
static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
{
	unsigned int i;

	RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
		(reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);

	for (i = 0; i < 100; i++) {
		if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
			break;
		udelay(10);
	}
}

static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
{
	u16 value = 0xffff;
	unsigned int i;

	RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);

	for (i = 0; i < 100; i++) {
		if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
			value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
			break;
		}
		udelay(10);
	}

	return value;
}

H
Hayes Wang 已提交
1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139
static
void rtl_eri_write(void __iomem *ioaddr, int addr, u32 mask, u32 val, int type)
{
	unsigned int i;

	BUG_ON((addr & 3) || (mask == 0));
	RTL_W32(ERIDR, val);
	RTL_W32(ERIAR, ERIAR_WRITE_CMD | type | mask | addr);

	for (i = 0; i < 100; i++) {
		if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
			break;
		udelay(100);
	}
}

static u32 rtl_eri_read(void __iomem *ioaddr, int addr, int type)
{
	u32 value = ~0x00;
	unsigned int i;

	RTL_W32(ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);

	for (i = 0; i < 100; i++) {
		if (RTL_R32(ERIAR) & ERIAR_FLAG) {
			value = RTL_R32(ERIDR);
			break;
		}
		udelay(100);
	}

	return value;
}

static void
rtl_w1w0_eri(void __iomem *ioaddr, int addr, u32 mask, u32 p, u32 m, int type)
{
	u32 val;

	val = rtl_eri_read(ioaddr, addr, type);
	rtl_eri_write(ioaddr, addr, mask, (val & ~m) | p, type);
}

1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154
struct exgmac_reg {
	u16 addr;
	u16 mask;
	u32 val;
};

static void rtl_write_exgmac_batch(void __iomem *ioaddr,
				   const struct exgmac_reg *r, int len)
{
	while (len-- > 0) {
		rtl_eri_write(ioaddr, r->addr, r->mask, r->val, ERIAR_EXGMAC);
		r++;
	}
}

1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172
static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
{
	u8 value = 0xff;
	unsigned int i;

	RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);

	for (i = 0; i < 300; i++) {
		if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
			value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
			break;
		}
		udelay(100);
	}

	return value;
}

F
Francois Romieu 已提交
1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195
static u16 rtl_get_events(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	return RTL_R16(IntrStatus);
}

static void rtl_ack_events(struct rtl8169_private *tp, u16 bits)
{
	void __iomem *ioaddr = tp->mmio_addr;

	RTL_W16(IntrStatus, bits);
	mmiowb();
}

static void rtl_irq_disable(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	RTL_W16(IntrMask, 0);
	mmiowb();
}

1196 1197 1198 1199 1200 1201 1202
static void rtl_irq_enable(struct rtl8169_private *tp, u16 bits)
{
	void __iomem *ioaddr = tp->mmio_addr;

	RTL_W16(IntrMask, bits);
}

1203 1204 1205 1206 1207 1208 1209 1210 1211
#define RTL_EVENT_NAPI_RX	(RxOK | RxErr)
#define RTL_EVENT_NAPI_TX	(TxOK | TxErr)
#define RTL_EVENT_NAPI		(RTL_EVENT_NAPI_RX | RTL_EVENT_NAPI_TX)

static void rtl_irq_enable_all(struct rtl8169_private *tp)
{
	rtl_irq_enable(tp, RTL_EVENT_NAPI | tp->event_slow);
}

F
françois romieu 已提交
1212
static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp)
L
Linus Torvalds 已提交
1213
{
F
françois romieu 已提交
1214
	void __iomem *ioaddr = tp->mmio_addr;
L
Linus Torvalds 已提交
1215

F
Francois Romieu 已提交
1216
	rtl_irq_disable(tp);
1217
	rtl_ack_events(tp, RTL_EVENT_NAPI | tp->event_slow);
F
françois romieu 已提交
1218
	RTL_R8(ChipCmd);
L
Linus Torvalds 已提交
1219 1220
}

1221
static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
L
Linus Torvalds 已提交
1222
{
1223 1224
	void __iomem *ioaddr = tp->mmio_addr;

L
Linus Torvalds 已提交
1225 1226 1227
	return RTL_R32(TBICSR) & TBIReset;
}

1228
static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
L
Linus Torvalds 已提交
1229
{
1230
	return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
L
Linus Torvalds 已提交
1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242
}

static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
{
	return RTL_R32(TBICSR) & TBILinkOk;
}

static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
{
	return RTL_R8(PHYstatus) & LinkStatus;
}

1243
static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
L
Linus Torvalds 已提交
1244
{
1245 1246
	void __iomem *ioaddr = tp->mmio_addr;

L
Linus Torvalds 已提交
1247 1248 1249
	RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
}

1250
static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
L
Linus Torvalds 已提交
1251 1252 1253
{
	unsigned int val;

1254 1255
	val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
	rtl_writephy(tp, MII_BMCR, val & 0xffff);
L
Linus Torvalds 已提交
1256 1257
}

H
Hayes Wang 已提交
1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287
static void rtl_link_chg_patch(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;
	struct net_device *dev = tp->dev;

	if (!netif_running(dev))
		return;

	if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
		if (RTL_R8(PHYstatus) & _1000bpsF) {
			rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
				      0x00000011, ERIAR_EXGMAC);
			rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
				      0x00000005, ERIAR_EXGMAC);
		} else if (RTL_R8(PHYstatus) & _100bps) {
			rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
				      0x0000001f, ERIAR_EXGMAC);
			rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
				      0x00000005, ERIAR_EXGMAC);
		} else {
			rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
				      0x0000001f, ERIAR_EXGMAC);
			rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
				      0x0000003f, ERIAR_EXGMAC);
		}
		/* Reset packet filter */
		rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01,
			     ERIAR_EXGMAC);
		rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00,
			     ERIAR_EXGMAC);
1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300
	} else if (tp->mac_version == RTL_GIGA_MAC_VER_35 ||
		   tp->mac_version == RTL_GIGA_MAC_VER_36) {
		if (RTL_R8(PHYstatus) & _1000bpsF) {
			rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
				      0x00000011, ERIAR_EXGMAC);
			rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
				      0x00000005, ERIAR_EXGMAC);
		} else {
			rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
				      0x0000001f, ERIAR_EXGMAC);
			rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
				      0x0000003f, ERIAR_EXGMAC);
		}
1301 1302 1303 1304 1305 1306 1307 1308 1309 1310
	} else if (tp->mac_version == RTL_GIGA_MAC_VER_37) {
		if (RTL_R8(PHYstatus) & _10bps) {
			rtl_eri_write(ioaddr, 0x1d0, ERIAR_MASK_0011,
				      0x4d02, ERIAR_EXGMAC);
			rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_0011,
				      0x0060, ERIAR_EXGMAC);
		} else {
			rtl_eri_write(ioaddr, 0x1d0, ERIAR_MASK_0011,
				      0x0000, ERIAR_EXGMAC);
		}
H
Hayes Wang 已提交
1311 1312 1313
	}
}

1314
static void __rtl8169_check_link_status(struct net_device *dev,
F
Francois Romieu 已提交
1315 1316
					struct rtl8169_private *tp,
					void __iomem *ioaddr, bool pm)
L
Linus Torvalds 已提交
1317 1318
{
	if (tp->link_ok(ioaddr)) {
H
Hayes Wang 已提交
1319
		rtl_link_chg_patch(tp);
1320
		/* This is to cancel a scheduled suspend if there's one. */
1321 1322
		if (pm)
			pm_request_resume(&tp->pci_dev->dev);
L
Linus Torvalds 已提交
1323
		netif_carrier_on(dev);
1324 1325
		if (net_ratelimit())
			netif_info(tp, ifup, dev, "link up\n");
1326
	} else {
L
Linus Torvalds 已提交
1327
		netif_carrier_off(dev);
1328
		netif_info(tp, ifdown, dev, "link down\n");
1329
		if (pm)
1330
			pm_schedule_suspend(&tp->pci_dev->dev, 5000);
1331
	}
L
Linus Torvalds 已提交
1332 1333
}

1334 1335 1336 1337 1338 1339 1340
static void rtl8169_check_link_status(struct net_device *dev,
				      struct rtl8169_private *tp,
				      void __iomem *ioaddr)
{
	__rtl8169_check_link_status(dev, tp, ioaddr, false);
}

1341 1342 1343
#define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)

static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
F
Francois Romieu 已提交
1344 1345 1346
{
	void __iomem *ioaddr = tp->mmio_addr;
	u8 options;
1347
	u32 wolopts = 0;
F
Francois Romieu 已提交
1348 1349 1350

	options = RTL_R8(Config1);
	if (!(options & PMEnable))
1351
		return 0;
F
Francois Romieu 已提交
1352 1353 1354

	options = RTL_R8(Config3);
	if (options & LinkUp)
1355
		wolopts |= WAKE_PHY;
F
Francois Romieu 已提交
1356
	if (options & MagicPacket)
1357
		wolopts |= WAKE_MAGIC;
F
Francois Romieu 已提交
1358 1359 1360

	options = RTL_R8(Config5);
	if (options & UWF)
1361
		wolopts |= WAKE_UCAST;
F
Francois Romieu 已提交
1362
	if (options & BWF)
1363
		wolopts |= WAKE_BCAST;
F
Francois Romieu 已提交
1364
	if (options & MWF)
1365
		wolopts |= WAKE_MCAST;
F
Francois Romieu 已提交
1366

1367
	return wolopts;
F
Francois Romieu 已提交
1368 1369
}

1370
static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
F
Francois Romieu 已提交
1371 1372
{
	struct rtl8169_private *tp = netdev_priv(dev);
1373

1374
	rtl_lock_work(tp);
1375 1376 1377 1378

	wol->supported = WAKE_ANY;
	wol->wolopts = __rtl8169_get_wol(tp);

1379
	rtl_unlock_work(tp);
1380 1381 1382 1383
}

static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
{
F
Francois Romieu 已提交
1384
	void __iomem *ioaddr = tp->mmio_addr;
F
Francois Romieu 已提交
1385
	unsigned int i;
1386
	static const struct {
F
Francois Romieu 已提交
1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397
		u32 opt;
		u16 reg;
		u8  mask;
	} cfg[] = {
		{ WAKE_PHY,   Config3, LinkUp },
		{ WAKE_MAGIC, Config3, MagicPacket },
		{ WAKE_UCAST, Config5, UWF },
		{ WAKE_BCAST, Config5, BWF },
		{ WAKE_MCAST, Config5, MWF },
		{ WAKE_ANY,   Config5, LanWake }
	};
1398
	u8 options;
F
Francois Romieu 已提交
1399 1400 1401 1402

	RTL_W8(Cfg9346, Cfg9346_Unlock);

	for (i = 0; i < ARRAY_SIZE(cfg); i++) {
1403
		options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
1404
		if (wolopts & cfg[i].opt)
F
Francois Romieu 已提交
1405 1406 1407 1408
			options |= cfg[i].mask;
		RTL_W8(cfg[i].reg, options);
	}

1409 1410 1411 1412 1413 1414 1415 1416
	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_17:
		options = RTL_R8(Config1) & ~PMEnable;
		if (wolopts)
			options |= PMEnable;
		RTL_W8(Config1, options);
		break;
	default:
1417 1418 1419 1420
		options = RTL_R8(Config2) & ~PME_SIGNAL;
		if (wolopts)
			options |= PME_SIGNAL;
		RTL_W8(Config2, options);
1421 1422 1423
		break;
	}

F
Francois Romieu 已提交
1424
	RTL_W8(Cfg9346, Cfg9346_Lock);
1425 1426 1427 1428 1429 1430
}

static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
	struct rtl8169_private *tp = netdev_priv(dev);

1431
	rtl_lock_work(tp);
F
Francois Romieu 已提交
1432

1433 1434 1435 1436
	if (wol->wolopts)
		tp->features |= RTL_FEATURE_WOL;
	else
		tp->features &= ~RTL_FEATURE_WOL;
1437
	__rtl8169_set_wol(tp, wol->wolopts);
1438 1439

	rtl_unlock_work(tp);
F
Francois Romieu 已提交
1440

1441 1442
	device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);

F
Francois Romieu 已提交
1443 1444 1445
	return 0;
}

1446 1447
static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
{
1448
	return rtl_chip_infos[tp->mac_version].fw_name;
1449 1450
}

L
Linus Torvalds 已提交
1451 1452 1453 1454
static void rtl8169_get_drvinfo(struct net_device *dev,
				struct ethtool_drvinfo *info)
{
	struct rtl8169_private *tp = netdev_priv(dev);
1455
	struct rtl_fw *rtl_fw = tp->rtl_fw;
L
Linus Torvalds 已提交
1456

1457 1458 1459
	strlcpy(info->driver, MODULENAME, sizeof(info->driver));
	strlcpy(info->version, RTL8169_VERSION, sizeof(info->version));
	strlcpy(info->bus_info, pci_name(tp->pci_dev), sizeof(info->bus_info));
1460
	BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
1461 1462 1463
	if (!IS_ERR_OR_NULL(rtl_fw))
		strlcpy(info->fw_version, rtl_fw->version,
			sizeof(info->fw_version));
L
Linus Torvalds 已提交
1464 1465 1466 1467 1468 1469 1470 1471
}

static int rtl8169_get_regs_len(struct net_device *dev)
{
	return R8169_REGS_SIZE;
}

static int rtl8169_set_speed_tbi(struct net_device *dev,
1472
				 u8 autoneg, u16 speed, u8 duplex, u32 ignored)
L
Linus Torvalds 已提交
1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
	int ret = 0;
	u32 reg;

	reg = RTL_R32(TBICSR);
	if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
	    (duplex == DUPLEX_FULL)) {
		RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
	} else if (autoneg == AUTONEG_ENABLE)
		RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
	else {
1486 1487
		netif_warn(tp, link, dev,
			   "incorrect speed setting refused in TBI mode\n");
L
Linus Torvalds 已提交
1488 1489 1490 1491 1492 1493 1494
		ret = -EOPNOTSUPP;
	}

	return ret;
}

static int rtl8169_set_speed_xmii(struct net_device *dev,
1495
				  u8 autoneg, u16 speed, u8 duplex, u32 adv)
L
Linus Torvalds 已提交
1496 1497
{
	struct rtl8169_private *tp = netdev_priv(dev);
1498
	int giga_ctrl, bmcr;
1499
	int rc = -EINVAL;
L
Linus Torvalds 已提交
1500

1501
	rtl_writephy(tp, 0x1f, 0x0000);
L
Linus Torvalds 已提交
1502 1503

	if (autoneg == AUTONEG_ENABLE) {
1504 1505
		int auto_nego;

1506
		auto_nego = rtl_readphy(tp, MII_ADVERTISE);
1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518
		auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
				ADVERTISE_100HALF | ADVERTISE_100FULL);

		if (adv & ADVERTISED_10baseT_Half)
			auto_nego |= ADVERTISE_10HALF;
		if (adv & ADVERTISED_10baseT_Full)
			auto_nego |= ADVERTISE_10FULL;
		if (adv & ADVERTISED_100baseT_Half)
			auto_nego |= ADVERTISE_100HALF;
		if (adv & ADVERTISED_100baseT_Full)
			auto_nego |= ADVERTISE_100FULL;

1519
		auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
L
Linus Torvalds 已提交
1520

1521
		giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
1522
		giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
1523

1524
		/* The 8100e/8101e/8102e do Fast Ethernet only. */
1525
		if (tp->mii.supports_gmii) {
1526 1527 1528 1529 1530 1531
			if (adv & ADVERTISED_1000baseT_Half)
				giga_ctrl |= ADVERTISE_1000HALF;
			if (adv & ADVERTISED_1000baseT_Full)
				giga_ctrl |= ADVERTISE_1000FULL;
		} else if (adv & (ADVERTISED_1000baseT_Half |
				  ADVERTISED_1000baseT_Full)) {
1532 1533
			netif_info(tp, link, dev,
				   "PHY does not support 1000Mbps\n");
1534
			goto out;
1535
		}
L
Linus Torvalds 已提交
1536

1537 1538
		bmcr = BMCR_ANENABLE | BMCR_ANRESTART;

1539 1540
		rtl_writephy(tp, MII_ADVERTISE, auto_nego);
		rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
1541 1542 1543 1544 1545 1546 1547 1548
	} else {
		giga_ctrl = 0;

		if (speed == SPEED_10)
			bmcr = 0;
		else if (speed == SPEED_100)
			bmcr = BMCR_SPEED100;
		else
1549
			goto out;
1550 1551 1552

		if (duplex == DUPLEX_FULL)
			bmcr |= BMCR_FULLDPLX;
R
Roger So 已提交
1553 1554
	}

1555
	rtl_writephy(tp, MII_BMCR, bmcr);
1556

F
Francois Romieu 已提交
1557 1558
	if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_03) {
1559
		if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
1560 1561
			rtl_writephy(tp, 0x17, 0x2138);
			rtl_writephy(tp, 0x0e, 0x0260);
1562
		} else {
1563 1564
			rtl_writephy(tp, 0x17, 0x2108);
			rtl_writephy(tp, 0x0e, 0x0000);
1565 1566 1567
		}
	}

1568 1569 1570
	rc = 0;
out:
	return rc;
L
Linus Torvalds 已提交
1571 1572 1573
}

static int rtl8169_set_speed(struct net_device *dev,
1574
			     u8 autoneg, u16 speed, u8 duplex, u32 advertising)
L
Linus Torvalds 已提交
1575 1576 1577 1578
{
	struct rtl8169_private *tp = netdev_priv(dev);
	int ret;

1579
	ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
1580 1581
	if (ret < 0)
		goto out;
L
Linus Torvalds 已提交
1582

1583 1584
	if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
	    (advertising & ADVERTISED_1000baseT_Full)) {
L
Linus Torvalds 已提交
1585
		mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
1586 1587
	}
out:
L
Linus Torvalds 已提交
1588 1589 1590 1591 1592 1593 1594 1595
	return ret;
}

static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	int ret;

1596 1597
	del_timer_sync(&tp->timer);

1598
	rtl_lock_work(tp);
F
Francois Romieu 已提交
1599
	ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
1600
				cmd->duplex, cmd->advertising);
1601
	rtl_unlock_work(tp);
1602

L
Linus Torvalds 已提交
1603 1604 1605
	return ret;
}

1606 1607
static netdev_features_t rtl8169_fix_features(struct net_device *dev,
	netdev_features_t features)
L
Linus Torvalds 已提交
1608
{
F
Francois Romieu 已提交
1609 1610
	struct rtl8169_private *tp = netdev_priv(dev);

F
Francois Romieu 已提交
1611
	if (dev->mtu > TD_MSS_MAX)
1612
		features &= ~NETIF_F_ALL_TSO;
L
Linus Torvalds 已提交
1613

F
Francois Romieu 已提交
1614 1615 1616 1617
	if (dev->mtu > JUMBO_1K &&
	    !rtl_chip_infos[tp->mac_version].jumbo_tx_csum)
		features &= ~NETIF_F_IP_CSUM;

1618
	return features;
L
Linus Torvalds 已提交
1619 1620
}

1621 1622
static void __rtl8169_set_features(struct net_device *dev,
				   netdev_features_t features)
L
Linus Torvalds 已提交
1623 1624
{
	struct rtl8169_private *tp = netdev_priv(dev);
B
Ben Greear 已提交
1625
	netdev_features_t changed = features ^ dev->features;
1626
	void __iomem *ioaddr = tp->mmio_addr;
L
Linus Torvalds 已提交
1627

B
Ben Greear 已提交
1628 1629
	if (!(changed & (NETIF_F_RXALL | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_RX)))
		return;
L
Linus Torvalds 已提交
1630

B
Ben Greear 已提交
1631 1632 1633 1634 1635
	if (changed & (NETIF_F_RXCSUM | NETIF_F_HW_VLAN_RX)) {
		if (features & NETIF_F_RXCSUM)
			tp->cp_cmd |= RxChkSum;
		else
			tp->cp_cmd &= ~RxChkSum;
1636

B
Ben Greear 已提交
1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650
		if (dev->features & NETIF_F_HW_VLAN_RX)
			tp->cp_cmd |= RxVlan;
		else
			tp->cp_cmd &= ~RxVlan;

		RTL_W16(CPlusCmd, tp->cp_cmd);
		RTL_R16(CPlusCmd);
	}
	if (changed & NETIF_F_RXALL) {
		int tmp = (RTL_R32(RxConfig) & ~(AcceptErr | AcceptRunt));
		if (features & NETIF_F_RXALL)
			tmp |= (AcceptErr | AcceptRunt);
		RTL_W32(RxConfig, tmp);
	}
1651
}
L
Linus Torvalds 已提交
1652

1653 1654 1655 1656 1657 1658 1659 1660
static int rtl8169_set_features(struct net_device *dev,
				netdev_features_t features)
{
	struct rtl8169_private *tp = netdev_priv(dev);

	rtl_lock_work(tp);
	__rtl8169_set_features(dev, features);
	rtl_unlock_work(tp);
L
Linus Torvalds 已提交
1661 1662 1663 1664

	return 0;
}

1665

L
Linus Torvalds 已提交
1666 1667 1668
static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
				      struct sk_buff *skb)
{
1669
	return (vlan_tx_tag_present(skb)) ?
L
Linus Torvalds 已提交
1670 1671 1672
		TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
}

1673
static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
L
Linus Torvalds 已提交
1674 1675 1676
{
	u32 opts2 = le32_to_cpu(desc->opts2);

1677 1678
	if (opts2 & RxVlanTag)
		__vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
E
Eric Dumazet 已提交
1679

L
Linus Torvalds 已提交
1680 1681 1682
	desc->opts2 = 0;
}

1683
static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
L
Linus Torvalds 已提交
1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
	u32 status;

	cmd->supported =
		SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
	cmd->port = PORT_FIBRE;
	cmd->transceiver = XCVR_INTERNAL;

	status = RTL_R32(TBICSR);
	cmd->advertising = (status & TBINwEnable) ?  ADVERTISED_Autoneg : 0;
	cmd->autoneg = !!(status & TBINwEnable);

1698
	ethtool_cmd_speed_set(cmd, SPEED_1000);
L
Linus Torvalds 已提交
1699
	cmd->duplex = DUPLEX_FULL; /* Always set */
1700 1701

	return 0;
L
Linus Torvalds 已提交
1702 1703
}

1704
static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
L
Linus Torvalds 已提交
1705 1706
{
	struct rtl8169_private *tp = netdev_priv(dev);
1707 1708

	return mii_ethtool_gset(&tp->mii, cmd);
L
Linus Torvalds 已提交
1709 1710 1711 1712 1713
}

static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct rtl8169_private *tp = netdev_priv(dev);
1714
	int rc;
L
Linus Torvalds 已提交
1715

1716
	rtl_lock_work(tp);
1717
	rc = tp->get_settings(dev, cmd);
1718
	rtl_unlock_work(tp);
L
Linus Torvalds 已提交
1719

1720
	return rc;
L
Linus Torvalds 已提交
1721 1722 1723 1724 1725
}

static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
			     void *p)
{
1726
	struct rtl8169_private *tp = netdev_priv(dev);
L
Linus Torvalds 已提交
1727

1728 1729
	if (regs->len > R8169_REGS_SIZE)
		regs->len = R8169_REGS_SIZE;
L
Linus Torvalds 已提交
1730

1731
	rtl_lock_work(tp);
1732
	memcpy_fromio(p, tp->mmio_addr, regs->len);
1733
	rtl_unlock_work(tp);
L
Linus Torvalds 已提交
1734 1735
}

1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749
static u32 rtl8169_get_msglevel(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);

	return tp->msg_enable;
}

static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
{
	struct rtl8169_private *tp = netdev_priv(dev);

	tp->msg_enable = value;
}

1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765
static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
	"tx_packets",
	"rx_packets",
	"tx_errors",
	"rx_errors",
	"rx_missed",
	"align_errors",
	"tx_single_collisions",
	"tx_multi_collisions",
	"unicast",
	"broadcast",
	"multicast",
	"tx_aborted",
	"tx_underrun",
};

1766
static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1767
{
1768 1769 1770 1771 1772 1773
	switch (sset) {
	case ETH_SS_STATS:
		return ARRAY_SIZE(rtl8169_gstrings);
	default:
		return -EOPNOTSUPP;
	}
1774 1775
}

1776
static void rtl8169_update_counters(struct net_device *dev)
1777 1778 1779
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
F
Francois Romieu 已提交
1780
	struct device *d = &tp->pci_dev->dev;
1781 1782 1783
	struct rtl8169_counters *counters;
	dma_addr_t paddr;
	u32 cmd;
1784
	int wait = 1000;
1785

1786 1787 1788 1789 1790 1791
	/*
	 * Some chips are unable to dump tally counters when the receiver
	 * is disabled.
	 */
	if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
		return;
1792

1793
	counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1794 1795 1796 1797
	if (!counters)
		return;

	RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1798
	cmd = (u64)paddr & DMA_BIT_MASK(32);
1799 1800 1801
	RTL_W32(CounterAddrLow, cmd);
	RTL_W32(CounterAddrLow, cmd | CounterDump);

1802 1803 1804
	while (wait--) {
		if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
			memcpy(&tp->counters, counters, sizeof(*counters));
1805
			break;
1806 1807
		}
		udelay(10);
1808 1809 1810 1811 1812
	}

	RTL_W32(CounterAddrLow, 0);
	RTL_W32(CounterAddrHigh, 0);

1813
	dma_free_coherent(d, sizeof(*counters), counters, paddr);
1814 1815
}

1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839
static void rtl8169_get_ethtool_stats(struct net_device *dev,
				      struct ethtool_stats *stats, u64 *data)
{
	struct rtl8169_private *tp = netdev_priv(dev);

	ASSERT_RTNL();

	rtl8169_update_counters(dev);

	data[0] = le64_to_cpu(tp->counters.tx_packets);
	data[1] = le64_to_cpu(tp->counters.rx_packets);
	data[2] = le64_to_cpu(tp->counters.tx_errors);
	data[3] = le32_to_cpu(tp->counters.rx_errors);
	data[4] = le16_to_cpu(tp->counters.rx_missed);
	data[5] = le16_to_cpu(tp->counters.align_errors);
	data[6] = le32_to_cpu(tp->counters.tx_one_collision);
	data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
	data[8] = le64_to_cpu(tp->counters.rx_unicast);
	data[9] = le64_to_cpu(tp->counters.rx_broadcast);
	data[10] = le32_to_cpu(tp->counters.rx_multicast);
	data[11] = le16_to_cpu(tp->counters.tx_aborted);
	data[12] = le16_to_cpu(tp->counters.tx_underun);
}

1840 1841 1842 1843 1844 1845 1846 1847 1848
static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
{
	switch(stringset) {
	case ETH_SS_STATS:
		memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
		break;
	}
}

1849
static const struct ethtool_ops rtl8169_ethtool_ops = {
L
Linus Torvalds 已提交
1850 1851 1852 1853 1854
	.get_drvinfo		= rtl8169_get_drvinfo,
	.get_regs_len		= rtl8169_get_regs_len,
	.get_link		= ethtool_op_get_link,
	.get_settings		= rtl8169_get_settings,
	.set_settings		= rtl8169_set_settings,
1855 1856
	.get_msglevel		= rtl8169_get_msglevel,
	.set_msglevel		= rtl8169_set_msglevel,
L
Linus Torvalds 已提交
1857
	.get_regs		= rtl8169_get_regs,
F
Francois Romieu 已提交
1858 1859
	.get_wol		= rtl8169_get_wol,
	.set_wol		= rtl8169_set_wol,
1860
	.get_strings		= rtl8169_get_strings,
1861
	.get_sset_count		= rtl8169_get_sset_count,
1862
	.get_ethtool_stats	= rtl8169_get_ethtool_stats,
1863
	.get_ts_info		= ethtool_op_get_ts_info,
L
Linus Torvalds 已提交
1864 1865
};

F
Francois Romieu 已提交
1866
static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1867
				    struct net_device *dev, u8 default_version)
L
Linus Torvalds 已提交
1868
{
1869
	void __iomem *ioaddr = tp->mmio_addr;
1870 1871 1872 1873 1874 1875
	/*
	 * The driver currently handles the 8168Bf and the 8168Be identically
	 * but they can be identified more specifically through the test below
	 * if needed:
	 *
	 * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
F
Francois Romieu 已提交
1876 1877 1878 1879
	 *
	 * Same thing for the 8101Eb and the 8101Ec:
	 *
	 * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1880
	 */
1881
	static const struct rtl_mac_info {
L
Linus Torvalds 已提交
1882
		u32 mask;
F
Francois Romieu 已提交
1883
		u32 val;
L
Linus Torvalds 已提交
1884 1885
		int mac_version;
	} mac_info[] = {
1886 1887 1888 1889
		/* 8168F family. */
		{ 0x7cf00000, 0x48100000,	RTL_GIGA_MAC_VER_36 },
		{ 0x7cf00000, 0x48000000,	RTL_GIGA_MAC_VER_35 },

H
hayeswang 已提交
1890
		/* 8168E family. */
H
Hayes Wang 已提交
1891
		{ 0x7c800000, 0x2c800000,	RTL_GIGA_MAC_VER_34 },
H
hayeswang 已提交
1892 1893 1894 1895
		{ 0x7cf00000, 0x2c200000,	RTL_GIGA_MAC_VER_33 },
		{ 0x7cf00000, 0x2c100000,	RTL_GIGA_MAC_VER_32 },
		{ 0x7c800000, 0x2c000000,	RTL_GIGA_MAC_VER_33 },

F
Francois Romieu 已提交
1896
		/* 8168D family. */
1897 1898 1899
		{ 0x7cf00000, 0x28300000,	RTL_GIGA_MAC_VER_26 },
		{ 0x7cf00000, 0x28100000,	RTL_GIGA_MAC_VER_25 },
		{ 0x7c800000, 0x28000000,	RTL_GIGA_MAC_VER_26 },
F
Francois Romieu 已提交
1900

F
françois romieu 已提交
1901 1902 1903
		/* 8168DP family. */
		{ 0x7cf00000, 0x28800000,	RTL_GIGA_MAC_VER_27 },
		{ 0x7cf00000, 0x28a00000,	RTL_GIGA_MAC_VER_28 },
1904
		{ 0x7cf00000, 0x28b00000,	RTL_GIGA_MAC_VER_31 },
F
françois romieu 已提交
1905

1906
		/* 8168C family. */
1907
		{ 0x7cf00000, 0x3cb00000,	RTL_GIGA_MAC_VER_24 },
F
Francois Romieu 已提交
1908
		{ 0x7cf00000, 0x3c900000,	RTL_GIGA_MAC_VER_23 },
1909
		{ 0x7cf00000, 0x3c800000,	RTL_GIGA_MAC_VER_18 },
1910
		{ 0x7c800000, 0x3c800000,	RTL_GIGA_MAC_VER_24 },
F
Francois Romieu 已提交
1911 1912
		{ 0x7cf00000, 0x3c000000,	RTL_GIGA_MAC_VER_19 },
		{ 0x7cf00000, 0x3c200000,	RTL_GIGA_MAC_VER_20 },
F
Francois Romieu 已提交
1913
		{ 0x7cf00000, 0x3c300000,	RTL_GIGA_MAC_VER_21 },
1914
		{ 0x7cf00000, 0x3c400000,	RTL_GIGA_MAC_VER_22 },
1915
		{ 0x7c800000, 0x3c000000,	RTL_GIGA_MAC_VER_22 },
F
Francois Romieu 已提交
1916 1917 1918 1919 1920 1921 1922 1923

		/* 8168B family. */
		{ 0x7cf00000, 0x38000000,	RTL_GIGA_MAC_VER_12 },
		{ 0x7cf00000, 0x38500000,	RTL_GIGA_MAC_VER_17 },
		{ 0x7c800000, 0x38000000,	RTL_GIGA_MAC_VER_17 },
		{ 0x7c800000, 0x30000000,	RTL_GIGA_MAC_VER_11 },

		/* 8101 family. */
1924
		{ 0x7c800000, 0x44000000,	RTL_GIGA_MAC_VER_37 },
1925
		{ 0x7cf00000, 0x40b00000,	RTL_GIGA_MAC_VER_30 },
1926 1927 1928
		{ 0x7cf00000, 0x40a00000,	RTL_GIGA_MAC_VER_30 },
		{ 0x7cf00000, 0x40900000,	RTL_GIGA_MAC_VER_29 },
		{ 0x7c800000, 0x40800000,	RTL_GIGA_MAC_VER_30 },
1929 1930 1931 1932 1933 1934
		{ 0x7cf00000, 0x34a00000,	RTL_GIGA_MAC_VER_09 },
		{ 0x7cf00000, 0x24a00000,	RTL_GIGA_MAC_VER_09 },
		{ 0x7cf00000, 0x34900000,	RTL_GIGA_MAC_VER_08 },
		{ 0x7cf00000, 0x24900000,	RTL_GIGA_MAC_VER_08 },
		{ 0x7cf00000, 0x34800000,	RTL_GIGA_MAC_VER_07 },
		{ 0x7cf00000, 0x24800000,	RTL_GIGA_MAC_VER_07 },
F
Francois Romieu 已提交
1935
		{ 0x7cf00000, 0x34000000,	RTL_GIGA_MAC_VER_13 },
1936
		{ 0x7cf00000, 0x34300000,	RTL_GIGA_MAC_VER_10 },
F
Francois Romieu 已提交
1937
		{ 0x7cf00000, 0x34200000,	RTL_GIGA_MAC_VER_16 },
1938 1939
		{ 0x7c800000, 0x34800000,	RTL_GIGA_MAC_VER_09 },
		{ 0x7c800000, 0x24800000,	RTL_GIGA_MAC_VER_09 },
F
Francois Romieu 已提交
1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952
		{ 0x7c800000, 0x34000000,	RTL_GIGA_MAC_VER_16 },
		/* FIXME: where did these entries come from ? -- FR */
		{ 0xfc800000, 0x38800000,	RTL_GIGA_MAC_VER_15 },
		{ 0xfc800000, 0x30800000,	RTL_GIGA_MAC_VER_14 },

		/* 8110 family. */
		{ 0xfc800000, 0x98000000,	RTL_GIGA_MAC_VER_06 },
		{ 0xfc800000, 0x18000000,	RTL_GIGA_MAC_VER_05 },
		{ 0xfc800000, 0x10000000,	RTL_GIGA_MAC_VER_04 },
		{ 0xfc800000, 0x04000000,	RTL_GIGA_MAC_VER_03 },
		{ 0xfc800000, 0x00800000,	RTL_GIGA_MAC_VER_02 },
		{ 0xfc800000, 0x00000000,	RTL_GIGA_MAC_VER_01 },

1953 1954
		/* Catch-all */
		{ 0x00000000, 0x00000000,	RTL_GIGA_MAC_NONE   }
1955 1956
	};
	const struct rtl_mac_info *p = mac_info;
L
Linus Torvalds 已提交
1957 1958
	u32 reg;

F
Francois Romieu 已提交
1959 1960
	reg = RTL_R32(TxConfig);
	while ((reg & p->mask) != p->val)
L
Linus Torvalds 已提交
1961 1962
		p++;
	tp->mac_version = p->mac_version;
1963 1964 1965 1966 1967 1968

	if (tp->mac_version == RTL_GIGA_MAC_NONE) {
		netif_notice(tp, probe, dev,
			     "unknown MAC, using family default\n");
		tp->mac_version = default_version;
	}
L
Linus Torvalds 已提交
1969 1970 1971 1972
}

static void rtl8169_print_mac_version(struct rtl8169_private *tp)
{
1973
	dprintk("mac_version = 0x%02x\n", tp->mac_version);
L
Linus Torvalds 已提交
1974 1975
}

F
Francois Romieu 已提交
1976 1977 1978 1979 1980
struct phy_reg {
	u16 reg;
	u16 val;
};

1981 1982
static void rtl_writephy_batch(struct rtl8169_private *tp,
			       const struct phy_reg *regs, int len)
F
Francois Romieu 已提交
1983 1984
{
	while (len-- > 0) {
1985
		rtl_writephy(tp, regs->reg, regs->val);
F
Francois Romieu 已提交
1986 1987 1988 1989
		regs++;
	}
}

1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
#define PHY_READ		0x00000000
#define PHY_DATA_OR		0x10000000
#define PHY_DATA_AND		0x20000000
#define PHY_BJMPN		0x30000000
#define PHY_READ_EFUSE		0x40000000
#define PHY_READ_MAC_BYTE	0x50000000
#define PHY_WRITE_MAC_BYTE	0x60000000
#define PHY_CLEAR_READCOUNT	0x70000000
#define PHY_WRITE		0x80000000
#define PHY_READCOUNT_EQ_SKIP	0x90000000
#define PHY_COMP_EQ_SKIPN	0xa0000000
#define PHY_COMP_NEQ_SKIPN	0xb0000000
#define PHY_WRITE_PREVIOUS	0xc0000000
#define PHY_SKIPN		0xd0000000
#define PHY_DELAY_MS		0xe0000000
#define PHY_WRITE_ERI_WORD	0xf0000000

H
Hayes Wang 已提交
2007 2008 2009 2010 2011 2012 2013 2014
struct fw_info {
	u32	magic;
	char	version[RTL_VER_SIZE];
	__le32	fw_start;
	__le32	fw_len;
	u8	chksum;
} __packed;

2015 2016 2017
#define FW_OPCODE_SIZE	sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))

static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2018
{
2019
	const struct firmware *fw = rtl_fw->fw;
H
Hayes Wang 已提交
2020
	struct fw_info *fw_info = (struct fw_info *)fw->data;
2021 2022 2023 2024 2025 2026
	struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
	char *version = rtl_fw->version;
	bool rc = false;

	if (fw->size < FW_OPCODE_SIZE)
		goto out;
H
Hayes Wang 已提交
2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052

	if (!fw_info->magic) {
		size_t i, size, start;
		u8 checksum = 0;

		if (fw->size < sizeof(*fw_info))
			goto out;

		for (i = 0; i < fw->size; i++)
			checksum += fw->data[i];
		if (checksum != 0)
			goto out;

		start = le32_to_cpu(fw_info->fw_start);
		if (start > fw->size)
			goto out;

		size = le32_to_cpu(fw_info->fw_len);
		if (size > (fw->size - start) / FW_OPCODE_SIZE)
			goto out;

		memcpy(version, fw_info->version, RTL_VER_SIZE);

		pa->code = (__le32 *)(fw->data + start);
		pa->size = size;
	} else {
2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067
		if (fw->size % FW_OPCODE_SIZE)
			goto out;

		strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE);

		pa->code = (__le32 *)fw->data;
		pa->size = fw->size / FW_OPCODE_SIZE;
	}
	version[RTL_VER_SIZE - 1] = 0;

	rc = true;
out:
	return rc;
}

2068 2069
static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
			   struct rtl_fw_phy_action *pa)
2070
{
2071
	bool rc = false;
2072
	size_t index;
2073

2074 2075
	for (index = 0; index < pa->size; index++) {
		u32 action = le32_to_cpu(pa->code[index]);
2076
		u32 regno = (action & 0x0fff0000) >> 16;
2077

2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090
		switch(action & 0xf0000000) {
		case PHY_READ:
		case PHY_DATA_OR:
		case PHY_DATA_AND:
		case PHY_READ_EFUSE:
		case PHY_CLEAR_READCOUNT:
		case PHY_WRITE:
		case PHY_WRITE_PREVIOUS:
		case PHY_DELAY_MS:
			break;

		case PHY_BJMPN:
			if (regno > index) {
2091
				netif_err(tp, ifup, tp->dev,
F
Francois Romieu 已提交
2092
					  "Out of range of firmware\n");
2093
				goto out;
2094 2095 2096
			}
			break;
		case PHY_READCOUNT_EQ_SKIP:
2097
			if (index + 2 >= pa->size) {
2098
				netif_err(tp, ifup, tp->dev,
F
Francois Romieu 已提交
2099
					  "Out of range of firmware\n");
2100
				goto out;
2101 2102 2103 2104 2105
			}
			break;
		case PHY_COMP_EQ_SKIPN:
		case PHY_COMP_NEQ_SKIPN:
		case PHY_SKIPN:
2106
			if (index + 1 + regno >= pa->size) {
2107
				netif_err(tp, ifup, tp->dev,
F
Francois Romieu 已提交
2108
					  "Out of range of firmware\n");
2109
				goto out;
2110
			}
2111 2112
			break;

2113 2114 2115 2116
		case PHY_READ_MAC_BYTE:
		case PHY_WRITE_MAC_BYTE:
		case PHY_WRITE_ERI_WORD:
		default:
2117
			netif_err(tp, ifup, tp->dev,
2118
				  "Invalid action 0x%08x\n", action);
2119
			goto out;
2120 2121
		}
	}
2122 2123 2124 2125
	rc = true;
out:
	return rc;
}
2126

2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149
static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
{
	struct net_device *dev = tp->dev;
	int rc = -EINVAL;

	if (!rtl_fw_format_ok(tp, rtl_fw)) {
		netif_err(tp, ifup, dev, "invalid firwmare\n");
		goto out;
	}

	if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action))
		rc = 0;
out:
	return rc;
}

static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
{
	struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
	u32 predata, count;
	size_t index;

	predata = count = 0;
2150

2151 2152
	for (index = 0; index < pa->size; ) {
		u32 action = le32_to_cpu(pa->code[index]);
2153
		u32 data = action & 0x0000ffff;
2154 2155 2156 2157
		u32 regno = (action & 0x0fff0000) >> 16;

		if (!action)
			break;
2158 2159

		switch(action & 0xf0000000) {
2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183
		case PHY_READ:
			predata = rtl_readphy(tp, regno);
			count++;
			index++;
			break;
		case PHY_DATA_OR:
			predata |= data;
			index++;
			break;
		case PHY_DATA_AND:
			predata &= data;
			index++;
			break;
		case PHY_BJMPN:
			index -= regno;
			break;
		case PHY_READ_EFUSE:
			predata = rtl8168d_efuse_read(tp->mmio_addr, regno);
			index++;
			break;
		case PHY_CLEAR_READCOUNT:
			count = 0;
			index++;
			break;
2184
		case PHY_WRITE:
2185 2186 2187 2188
			rtl_writephy(tp, regno, data);
			index++;
			break;
		case PHY_READCOUNT_EQ_SKIP:
F
Francois Romieu 已提交
2189
			index += (count == data) ? 2 : 1;
2190
			break;
2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215
		case PHY_COMP_EQ_SKIPN:
			if (predata == data)
				index += regno;
			index++;
			break;
		case PHY_COMP_NEQ_SKIPN:
			if (predata != data)
				index += regno;
			index++;
			break;
		case PHY_WRITE_PREVIOUS:
			rtl_writephy(tp, regno, predata);
			index++;
			break;
		case PHY_SKIPN:
			index += regno + 1;
			break;
		case PHY_DELAY_MS:
			mdelay(data);
			index++;
			break;

		case PHY_READ_MAC_BYTE:
		case PHY_WRITE_MAC_BYTE:
		case PHY_WRITE_ERI_WORD:
2216 2217 2218 2219 2220 2221
		default:
			BUG();
		}
	}
}

2222 2223
static void rtl_release_firmware(struct rtl8169_private *tp)
{
2224 2225 2226 2227 2228
	if (!IS_ERR_OR_NULL(tp->rtl_fw)) {
		release_firmware(tp->rtl_fw->fw);
		kfree(tp->rtl_fw);
	}
	tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
2229 2230
}

2231
static void rtl_apply_firmware(struct rtl8169_private *tp)
2232
{
2233
	struct rtl_fw *rtl_fw = tp->rtl_fw;
2234 2235

	/* TODO: release firmware once rtl_phy_write_fw signals failures. */
2236 2237
	if (!IS_ERR_OR_NULL(rtl_fw))
		rtl_phy_write_fw(tp, rtl_fw);
2238 2239 2240 2241 2242 2243 2244 2245
}

static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
{
	if (rtl_readphy(tp, reg) != val)
		netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
	else
		rtl_apply_firmware(tp);
2246 2247
}

2248
static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
L
Linus Torvalds 已提交
2249
{
2250
	static const struct phy_reg phy_reg_init[] = {
F
françois romieu 已提交
2251 2252 2253 2254 2255
		{ 0x1f, 0x0001 },
		{ 0x06, 0x006e },
		{ 0x08, 0x0708 },
		{ 0x15, 0x4000 },
		{ 0x18, 0x65c7 },
L
Linus Torvalds 已提交
2256

F
françois romieu 已提交
2257 2258 2259 2260 2261 2262 2263
		{ 0x1f, 0x0001 },
		{ 0x03, 0x00a1 },
		{ 0x02, 0x0008 },
		{ 0x01, 0x0120 },
		{ 0x00, 0x1000 },
		{ 0x04, 0x0800 },
		{ 0x04, 0x0000 },
L
Linus Torvalds 已提交
2264

F
françois romieu 已提交
2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310
		{ 0x03, 0xff41 },
		{ 0x02, 0xdf60 },
		{ 0x01, 0x0140 },
		{ 0x00, 0x0077 },
		{ 0x04, 0x7800 },
		{ 0x04, 0x7000 },

		{ 0x03, 0x802f },
		{ 0x02, 0x4f02 },
		{ 0x01, 0x0409 },
		{ 0x00, 0xf0f9 },
		{ 0x04, 0x9800 },
		{ 0x04, 0x9000 },

		{ 0x03, 0xdf01 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0xff95 },
		{ 0x00, 0xba00 },
		{ 0x04, 0xa800 },
		{ 0x04, 0xa000 },

		{ 0x03, 0xff41 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0x0140 },
		{ 0x00, 0x00bb },
		{ 0x04, 0xb800 },
		{ 0x04, 0xb000 },

		{ 0x03, 0xdf41 },
		{ 0x02, 0xdc60 },
		{ 0x01, 0x6340 },
		{ 0x00, 0x007d },
		{ 0x04, 0xd800 },
		{ 0x04, 0xd000 },

		{ 0x03, 0xdf01 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0x100a },
		{ 0x00, 0xa0ff },
		{ 0x04, 0xf800 },
		{ 0x04, 0xf000 },

		{ 0x1f, 0x0000 },
		{ 0x0b, 0x0000 },
		{ 0x00, 0x9200 }
	};
L
Linus Torvalds 已提交
2311

2312
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
L
Linus Torvalds 已提交
2313 2314
}

2315
static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2316
{
2317
	static const struct phy_reg phy_reg_init[] = {
F
Francois Romieu 已提交
2318 2319 2320 2321 2322
		{ 0x1f, 0x0002 },
		{ 0x01, 0x90d0 },
		{ 0x1f, 0x0000 }
	};

2323
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2324 2325
}

2326
static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2327 2328 2329
{
	struct pci_dev *pdev = tp->pci_dev;

2330 2331
	if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) ||
	    (pdev->subsystem_device != 0xe000))
2332 2333
		return;

2334 2335 2336
	rtl_writephy(tp, 0x1f, 0x0001);
	rtl_writephy(tp, 0x10, 0xf01b);
	rtl_writephy(tp, 0x1f, 0x0000);
2337 2338
}

2339
static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2340
{
2341
	static const struct phy_reg phy_reg_init[] = {
2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380
		{ 0x1f, 0x0001 },
		{ 0x04, 0x0000 },
		{ 0x03, 0x00a1 },
		{ 0x02, 0x0008 },
		{ 0x01, 0x0120 },
		{ 0x00, 0x1000 },
		{ 0x04, 0x0800 },
		{ 0x04, 0x9000 },
		{ 0x03, 0x802f },
		{ 0x02, 0x4f02 },
		{ 0x01, 0x0409 },
		{ 0x00, 0xf099 },
		{ 0x04, 0x9800 },
		{ 0x04, 0xa000 },
		{ 0x03, 0xdf01 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0xff95 },
		{ 0x00, 0xba00 },
		{ 0x04, 0xa800 },
		{ 0x04, 0xf000 },
		{ 0x03, 0xdf01 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0x101a },
		{ 0x00, 0xa0ff },
		{ 0x04, 0xf800 },
		{ 0x04, 0x0000 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0001 },
		{ 0x10, 0xf41b },
		{ 0x14, 0xfb54 },
		{ 0x18, 0xf5c7 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0001 },
		{ 0x17, 0x0cc0 },
		{ 0x1f, 0x0000 }
	};

2381
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2382

2383
	rtl8169scd_hw_phy_config_quirk(tp);
2384 2385
}

2386
static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2387
{
2388
	static const struct phy_reg phy_reg_init[] = {
2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435
		{ 0x1f, 0x0001 },
		{ 0x04, 0x0000 },
		{ 0x03, 0x00a1 },
		{ 0x02, 0x0008 },
		{ 0x01, 0x0120 },
		{ 0x00, 0x1000 },
		{ 0x04, 0x0800 },
		{ 0x04, 0x9000 },
		{ 0x03, 0x802f },
		{ 0x02, 0x4f02 },
		{ 0x01, 0x0409 },
		{ 0x00, 0xf099 },
		{ 0x04, 0x9800 },
		{ 0x04, 0xa000 },
		{ 0x03, 0xdf01 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0xff95 },
		{ 0x00, 0xba00 },
		{ 0x04, 0xa800 },
		{ 0x04, 0xf000 },
		{ 0x03, 0xdf01 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0x101a },
		{ 0x00, 0xa0ff },
		{ 0x04, 0xf800 },
		{ 0x04, 0x0000 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0001 },
		{ 0x0b, 0x8480 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0001 },
		{ 0x18, 0x67c7 },
		{ 0x04, 0x2000 },
		{ 0x03, 0x002f },
		{ 0x02, 0x4360 },
		{ 0x01, 0x0109 },
		{ 0x00, 0x3022 },
		{ 0x04, 0x2800 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0001 },
		{ 0x17, 0x0cc0 },
		{ 0x1f, 0x0000 }
	};

2436
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2437 2438
}

2439
static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2440
{
2441
	static const struct phy_reg phy_reg_init[] = {
2442 2443 2444 2445
		{ 0x10, 0xf41b },
		{ 0x1f, 0x0000 }
	};

2446 2447
	rtl_writephy(tp, 0x1f, 0x0001);
	rtl_patchphy(tp, 0x16, 1 << 0);
2448

2449
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2450 2451
}

2452
static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2453
{
2454
	static const struct phy_reg phy_reg_init[] = {
2455 2456 2457 2458 2459
		{ 0x1f, 0x0001 },
		{ 0x10, 0xf41b },
		{ 0x1f, 0x0000 }
	};

2460
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2461 2462
}

2463
static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
F
Francois Romieu 已提交
2464
{
2465
	static const struct phy_reg phy_reg_init[] = {
F
Francois Romieu 已提交
2466 2467 2468 2469 2470 2471 2472
		{ 0x1f, 0x0000 },
		{ 0x1d, 0x0f00 },
		{ 0x1f, 0x0002 },
		{ 0x0c, 0x1ec8 },
		{ 0x1f, 0x0000 }
	};

2473
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
F
Francois Romieu 已提交
2474 2475
}

2476
static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
F
Francois Romieu 已提交
2477
{
2478
	static const struct phy_reg phy_reg_init[] = {
F
Francois Romieu 已提交
2479 2480 2481 2482 2483
		{ 0x1f, 0x0001 },
		{ 0x1d, 0x3d98 },
		{ 0x1f, 0x0000 }
	};

2484 2485 2486
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_patchphy(tp, 0x14, 1 << 5);
	rtl_patchphy(tp, 0x0d, 1 << 5);
F
Francois Romieu 已提交
2487

2488
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
F
Francois Romieu 已提交
2489 2490
}

2491
static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
F
Francois Romieu 已提交
2492
{
2493
	static const struct phy_reg phy_reg_init[] = {
2494 2495
		{ 0x1f, 0x0001 },
		{ 0x12, 0x2300 },
F
Francois Romieu 已提交
2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506
		{ 0x1f, 0x0002 },
		{ 0x00, 0x88d4 },
		{ 0x01, 0x82b1 },
		{ 0x03, 0x7002 },
		{ 0x08, 0x9e30 },
		{ 0x09, 0x01f0 },
		{ 0x0a, 0x5500 },
		{ 0x0c, 0x00c8 },
		{ 0x1f, 0x0003 },
		{ 0x12, 0xc096 },
		{ 0x16, 0x000a },
2507 2508 2509 2510
		{ 0x1f, 0x0000 },
		{ 0x1f, 0x0000 },
		{ 0x09, 0x2000 },
		{ 0x09, 0x0000 }
F
Francois Romieu 已提交
2511 2512
	};

2513
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2514

2515 2516 2517
	rtl_patchphy(tp, 0x14, 1 << 5);
	rtl_patchphy(tp, 0x0d, 1 << 5);
	rtl_writephy(tp, 0x1f, 0x0000);
F
Francois Romieu 已提交
2518 2519
}

2520
static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2521
{
2522
	static const struct phy_reg phy_reg_init[] = {
2523
		{ 0x1f, 0x0001 },
2524
		{ 0x12, 0x2300 },
2525 2526 2527 2528 2529 2530 2531
		{ 0x03, 0x802f },
		{ 0x02, 0x4f02 },
		{ 0x01, 0x0409 },
		{ 0x00, 0xf099 },
		{ 0x04, 0x9800 },
		{ 0x04, 0x9000 },
		{ 0x1d, 0x3d98 },
2532 2533
		{ 0x1f, 0x0002 },
		{ 0x0c, 0x7eb8 },
2534 2535 2536
		{ 0x06, 0x0761 },
		{ 0x1f, 0x0003 },
		{ 0x16, 0x0f0a },
2537 2538 2539
		{ 0x1f, 0x0000 }
	};

2540
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2541

2542 2543 2544 2545
	rtl_patchphy(tp, 0x16, 1 << 0);
	rtl_patchphy(tp, 0x14, 1 << 5);
	rtl_patchphy(tp, 0x0d, 1 << 5);
	rtl_writephy(tp, 0x1f, 0x0000);
2546 2547
}

2548
static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
F
Francois Romieu 已提交
2549
{
2550
	static const struct phy_reg phy_reg_init[] = {
F
Francois Romieu 已提交
2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561
		{ 0x1f, 0x0001 },
		{ 0x12, 0x2300 },
		{ 0x1d, 0x3d98 },
		{ 0x1f, 0x0002 },
		{ 0x0c, 0x7eb8 },
		{ 0x06, 0x5461 },
		{ 0x1f, 0x0003 },
		{ 0x16, 0x0f0a },
		{ 0x1f, 0x0000 }
	};

2562
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
F
Francois Romieu 已提交
2563

2564 2565 2566 2567
	rtl_patchphy(tp, 0x16, 1 << 0);
	rtl_patchphy(tp, 0x14, 1 << 5);
	rtl_patchphy(tp, 0x0d, 1 << 5);
	rtl_writephy(tp, 0x1f, 0x0000);
F
Francois Romieu 已提交
2568 2569
}

2570
static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2571
{
2572
	rtl8168c_3_hw_phy_config(tp);
2573 2574
}

2575
static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
F
Francois Romieu 已提交
2576
{
2577
	static const struct phy_reg phy_reg_init_0[] = {
2578
		/* Channel Estimation */
F
Francois Romieu 已提交
2579
		{ 0x1f, 0x0001 },
2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590
		{ 0x06, 0x4064 },
		{ 0x07, 0x2863 },
		{ 0x08, 0x059c },
		{ 0x09, 0x26b4 },
		{ 0x0a, 0x6a19 },
		{ 0x0b, 0xdcc8 },
		{ 0x10, 0xf06d },
		{ 0x14, 0x7f68 },
		{ 0x18, 0x7fd9 },
		{ 0x1c, 0xf0ff },
		{ 0x1d, 0x3d9c },
F
Francois Romieu 已提交
2591
		{ 0x1f, 0x0003 },
2592 2593 2594
		{ 0x12, 0xf49f },
		{ 0x13, 0x070b },
		{ 0x1a, 0x05ad },
2595 2596 2597 2598
		{ 0x14, 0x94c0 },

		/*
		 * Tx Error Issue
F
Francois Romieu 已提交
2599
		 * Enhance line driver power
2600
		 */
F
Francois Romieu 已提交
2601
		{ 0x1f, 0x0002 },
2602 2603 2604
		{ 0x06, 0x5561 },
		{ 0x1f, 0x0005 },
		{ 0x05, 0x8332 },
2605 2606 2607 2608 2609 2610 2611 2612
		{ 0x06, 0x5561 },

		/*
		 * Can not link to 1Gbps with bad cable
		 * Decrease SNR threshold form 21.07dB to 19.04dB
		 */
		{ 0x1f, 0x0001 },
		{ 0x17, 0x0cc0 },
2613

F
Francois Romieu 已提交
2614
		{ 0x1f, 0x0000 },
2615
		{ 0x0d, 0xf880 }
2616
	};
2617
	void __iomem *ioaddr = tp->mmio_addr;
2618

2619
	rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2620

2621 2622 2623 2624
	/*
	 * Rx Error Issue
	 * Fine Tune Switching regulator parameter
	 */
2625 2626 2627
	rtl_writephy(tp, 0x1f, 0x0002);
	rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
	rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
2628 2629

	if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2630
		static const struct phy_reg phy_reg_init[] = {
2631 2632 2633 2634 2635 2636 2637 2638 2639
			{ 0x1f, 0x0002 },
			{ 0x05, 0x669a },
			{ 0x1f, 0x0005 },
			{ 0x05, 0x8330 },
			{ 0x06, 0x669a },
			{ 0x1f, 0x0002 }
		};
		int val;

2640
		rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2641

2642
		val = rtl_readphy(tp, 0x0d);
2643 2644

		if ((val & 0x00ff) != 0x006c) {
2645
			static const u32 set[] = {
2646 2647 2648 2649 2650
				0x0065, 0x0066, 0x0067, 0x0068,
				0x0069, 0x006a, 0x006b, 0x006c
			};
			int i;

2651
			rtl_writephy(tp, 0x1f, 0x0002);
2652 2653 2654

			val &= 0xff00;
			for (i = 0; i < ARRAY_SIZE(set); i++)
2655
				rtl_writephy(tp, 0x0d, val | set[i]);
2656 2657
		}
	} else {
2658
		static const struct phy_reg phy_reg_init[] = {
2659 2660 2661 2662 2663 2664 2665
			{ 0x1f, 0x0002 },
			{ 0x05, 0x6662 },
			{ 0x1f, 0x0005 },
			{ 0x05, 0x8330 },
			{ 0x06, 0x6662 }
		};

2666
		rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2667 2668
	}

2669
	/* RSET couple improve */
2670 2671 2672
	rtl_writephy(tp, 0x1f, 0x0002);
	rtl_patchphy(tp, 0x0d, 0x0300);
	rtl_patchphy(tp, 0x0f, 0x0010);
2673

2674
	/* Fine tune PLL performance */
2675 2676 2677
	rtl_writephy(tp, 0x1f, 0x0002);
	rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
	rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2678

2679 2680
	rtl_writephy(tp, 0x1f, 0x0005);
	rtl_writephy(tp, 0x05, 0x001b);
2681 2682

	rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2683

2684
	rtl_writephy(tp, 0x1f, 0x0000);
2685 2686
}

2687
static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2688
{
2689
	static const struct phy_reg phy_reg_init_0[] = {
2690
		/* Channel Estimation */
2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708
		{ 0x1f, 0x0001 },
		{ 0x06, 0x4064 },
		{ 0x07, 0x2863 },
		{ 0x08, 0x059c },
		{ 0x09, 0x26b4 },
		{ 0x0a, 0x6a19 },
		{ 0x0b, 0xdcc8 },
		{ 0x10, 0xf06d },
		{ 0x14, 0x7f68 },
		{ 0x18, 0x7fd9 },
		{ 0x1c, 0xf0ff },
		{ 0x1d, 0x3d9c },
		{ 0x1f, 0x0003 },
		{ 0x12, 0xf49f },
		{ 0x13, 0x070b },
		{ 0x1a, 0x05ad },
		{ 0x14, 0x94c0 },

2709 2710
		/*
		 * Tx Error Issue
F
Francois Romieu 已提交
2711
		 * Enhance line driver power
2712
		 */
2713 2714 2715 2716
		{ 0x1f, 0x0002 },
		{ 0x06, 0x5561 },
		{ 0x1f, 0x0005 },
		{ 0x05, 0x8332 },
2717 2718 2719 2720 2721 2722 2723 2724
		{ 0x06, 0x5561 },

		/*
		 * Can not link to 1Gbps with bad cable
		 * Decrease SNR threshold form 21.07dB to 19.04dB
		 */
		{ 0x1f, 0x0001 },
		{ 0x17, 0x0cc0 },
2725 2726

		{ 0x1f, 0x0000 },
2727
		{ 0x0d, 0xf880 }
F
Francois Romieu 已提交
2728
	};
2729
	void __iomem *ioaddr = tp->mmio_addr;
F
Francois Romieu 已提交
2730

2731
	rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
F
Francois Romieu 已提交
2732

2733
	if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2734
		static const struct phy_reg phy_reg_init[] = {
2735 2736
			{ 0x1f, 0x0002 },
			{ 0x05, 0x669a },
F
Francois Romieu 已提交
2737
			{ 0x1f, 0x0005 },
2738 2739 2740 2741 2742 2743 2744
			{ 0x05, 0x8330 },
			{ 0x06, 0x669a },

			{ 0x1f, 0x0002 }
		};
		int val;

2745
		rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2746

2747
		val = rtl_readphy(tp, 0x0d);
2748
		if ((val & 0x00ff) != 0x006c) {
J
Joe Perches 已提交
2749
			static const u32 set[] = {
2750 2751 2752 2753 2754
				0x0065, 0x0066, 0x0067, 0x0068,
				0x0069, 0x006a, 0x006b, 0x006c
			};
			int i;

2755
			rtl_writephy(tp, 0x1f, 0x0002);
2756 2757 2758

			val &= 0xff00;
			for (i = 0; i < ARRAY_SIZE(set); i++)
2759
				rtl_writephy(tp, 0x0d, val | set[i]);
2760 2761
		}
	} else {
2762
		static const struct phy_reg phy_reg_init[] = {
2763 2764
			{ 0x1f, 0x0002 },
			{ 0x05, 0x2642 },
F
Francois Romieu 已提交
2765
			{ 0x1f, 0x0005 },
2766 2767
			{ 0x05, 0x8330 },
			{ 0x06, 0x2642 }
F
Francois Romieu 已提交
2768 2769
		};

2770
		rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
F
Francois Romieu 已提交
2771 2772
	}

2773
	/* Fine tune PLL performance */
2774 2775 2776
	rtl_writephy(tp, 0x1f, 0x0002);
	rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
	rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2777

2778
	/* Switching regulator Slew rate */
2779 2780
	rtl_writephy(tp, 0x1f, 0x0002);
	rtl_patchphy(tp, 0x0f, 0x0017);
2781

2782 2783
	rtl_writephy(tp, 0x1f, 0x0005);
	rtl_writephy(tp, 0x05, 0x001b);
2784 2785

	rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2786

2787
	rtl_writephy(tp, 0x1f, 0x0000);
2788 2789
}

2790
static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2791
{
2792
	static const struct phy_reg phy_reg_init[] = {
2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847
		{ 0x1f, 0x0002 },
		{ 0x10, 0x0008 },
		{ 0x0d, 0x006c },

		{ 0x1f, 0x0000 },
		{ 0x0d, 0xf880 },

		{ 0x1f, 0x0001 },
		{ 0x17, 0x0cc0 },

		{ 0x1f, 0x0001 },
		{ 0x0b, 0xa4d8 },
		{ 0x09, 0x281c },
		{ 0x07, 0x2883 },
		{ 0x0a, 0x6b35 },
		{ 0x1d, 0x3da4 },
		{ 0x1c, 0xeffd },
		{ 0x14, 0x7f52 },
		{ 0x18, 0x7fc6 },
		{ 0x08, 0x0601 },
		{ 0x06, 0x4063 },
		{ 0x10, 0xf074 },
		{ 0x1f, 0x0003 },
		{ 0x13, 0x0789 },
		{ 0x12, 0xf4bd },
		{ 0x1a, 0x04fd },
		{ 0x14, 0x84b0 },
		{ 0x1f, 0x0000 },
		{ 0x00, 0x9200 },

		{ 0x1f, 0x0005 },
		{ 0x01, 0x0340 },
		{ 0x1f, 0x0001 },
		{ 0x04, 0x4000 },
		{ 0x03, 0x1d21 },
		{ 0x02, 0x0c32 },
		{ 0x01, 0x0200 },
		{ 0x00, 0x5554 },
		{ 0x04, 0x4800 },
		{ 0x04, 0x4000 },
		{ 0x04, 0xf000 },
		{ 0x03, 0xdf01 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0x101a },
		{ 0x00, 0xa0ff },
		{ 0x04, 0xf800 },
		{ 0x04, 0xf000 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0007 },
		{ 0x1e, 0x0023 },
		{ 0x16, 0x0000 },
		{ 0x1f, 0x0000 }
	};

2848
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
F
Francois Romieu 已提交
2849 2850
}

F
françois romieu 已提交
2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866
static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
{
	static const struct phy_reg phy_reg_init[] = {
		{ 0x1f, 0x0001 },
		{ 0x17, 0x0cc0 },

		{ 0x1f, 0x0007 },
		{ 0x1e, 0x002d },
		{ 0x18, 0x0040 },
		{ 0x1f, 0x0000 }
	};

	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
	rtl_patchphy(tp, 0x0d, 1 << 5);
}

H
Hayes Wang 已提交
2867
static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp)
H
hayeswang 已提交
2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896
{
	static const struct phy_reg phy_reg_init[] = {
		/* Enable Delay cap */
		{ 0x1f, 0x0005 },
		{ 0x05, 0x8b80 },
		{ 0x06, 0xc896 },
		{ 0x1f, 0x0000 },

		/* Channel estimation fine tune */
		{ 0x1f, 0x0001 },
		{ 0x0b, 0x6c20 },
		{ 0x07, 0x2872 },
		{ 0x1c, 0xefff },
		{ 0x1f, 0x0003 },
		{ 0x14, 0x6420 },
		{ 0x1f, 0x0000 },

		/* Update PFM & 10M TX idle timer */
		{ 0x1f, 0x0007 },
		{ 0x1e, 0x002f },
		{ 0x15, 0x1919 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0007 },
		{ 0x1e, 0x00ac },
		{ 0x18, 0x0006 },
		{ 0x1f, 0x0000 }
	};

F
Francois Romieu 已提交
2897 2898
	rtl_apply_firmware(tp);

H
hayeswang 已提交
2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));

	/* DCO enable for 10M IDLE Power */
	rtl_writephy(tp, 0x1f, 0x0007);
	rtl_writephy(tp, 0x1e, 0x0023);
	rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
	rtl_writephy(tp, 0x1f, 0x0000);

	/* For impedance matching */
	rtl_writephy(tp, 0x1f, 0x0002);
	rtl_w1w0_phy(tp, 0x08, 0x8000, 0x7f00);
F
Francois Romieu 已提交
2910
	rtl_writephy(tp, 0x1f, 0x0000);
H
hayeswang 已提交
2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939

	/* PHY auto speed down */
	rtl_writephy(tp, 0x1f, 0x0007);
	rtl_writephy(tp, 0x1e, 0x002d);
	rtl_w1w0_phy(tp, 0x18, 0x0050, 0x0000);
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);

	rtl_writephy(tp, 0x1f, 0x0005);
	rtl_writephy(tp, 0x05, 0x8b86);
	rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
	rtl_writephy(tp, 0x1f, 0x0000);

	rtl_writephy(tp, 0x1f, 0x0005);
	rtl_writephy(tp, 0x05, 0x8b85);
	rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
	rtl_writephy(tp, 0x1f, 0x0007);
	rtl_writephy(tp, 0x1e, 0x0020);
	rtl_w1w0_phy(tp, 0x15, 0x0000, 0x1100);
	rtl_writephy(tp, 0x1f, 0x0006);
	rtl_writephy(tp, 0x00, 0x5a00);
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_writephy(tp, 0x0d, 0x0007);
	rtl_writephy(tp, 0x0e, 0x003c);
	rtl_writephy(tp, 0x0d, 0x4007);
	rtl_writephy(tp, 0x0e, 0x0000);
	rtl_writephy(tp, 0x0d, 0x0000);
}

H
Hayes Wang 已提交
2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008
static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
{
	static const struct phy_reg phy_reg_init[] = {
		/* Enable Delay cap */
		{ 0x1f, 0x0004 },
		{ 0x1f, 0x0007 },
		{ 0x1e, 0x00ac },
		{ 0x18, 0x0006 },
		{ 0x1f, 0x0002 },
		{ 0x1f, 0x0000 },
		{ 0x1f, 0x0000 },

		/* Channel estimation fine tune */
		{ 0x1f, 0x0003 },
		{ 0x09, 0xa20f },
		{ 0x1f, 0x0000 },
		{ 0x1f, 0x0000 },

		/* Green Setting */
		{ 0x1f, 0x0005 },
		{ 0x05, 0x8b5b },
		{ 0x06, 0x9222 },
		{ 0x05, 0x8b6d },
		{ 0x06, 0x8000 },
		{ 0x05, 0x8b76 },
		{ 0x06, 0x8000 },
		{ 0x1f, 0x0000 }
	};

	rtl_apply_firmware(tp);

	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));

	/* For 4-corner performance improve */
	rtl_writephy(tp, 0x1f, 0x0005);
	rtl_writephy(tp, 0x05, 0x8b80);
	rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
	rtl_writephy(tp, 0x1f, 0x0000);

	/* PHY auto speed down */
	rtl_writephy(tp, 0x1f, 0x0004);
	rtl_writephy(tp, 0x1f, 0x0007);
	rtl_writephy(tp, 0x1e, 0x002d);
	rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
	rtl_writephy(tp, 0x1f, 0x0002);
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);

	/* improve 10M EEE waveform */
	rtl_writephy(tp, 0x1f, 0x0005);
	rtl_writephy(tp, 0x05, 0x8b86);
	rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
	rtl_writephy(tp, 0x1f, 0x0000);

	/* Improve 2-pair detection performance */
	rtl_writephy(tp, 0x1f, 0x0005);
	rtl_writephy(tp, 0x05, 0x8b85);
	rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
	rtl_writephy(tp, 0x1f, 0x0000);

	/* EEE setting */
	rtl_w1w0_eri(tp->mmio_addr, 0x1b0, ERIAR_MASK_1111, 0x0000, 0x0003,
		     ERIAR_EXGMAC);
	rtl_writephy(tp, 0x1f, 0x0005);
	rtl_writephy(tp, 0x05, 0x8b85);
	rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
	rtl_writephy(tp, 0x1f, 0x0004);
	rtl_writephy(tp, 0x1f, 0x0007);
	rtl_writephy(tp, 0x1e, 0x0020);
3009
	rtl_w1w0_phy(tp, 0x15, 0x0000, 0x0100);
H
Hayes Wang 已提交
3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024
	rtl_writephy(tp, 0x1f, 0x0002);
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_writephy(tp, 0x0d, 0x0007);
	rtl_writephy(tp, 0x0e, 0x003c);
	rtl_writephy(tp, 0x0d, 0x4007);
	rtl_writephy(tp, 0x0e, 0x0000);
	rtl_writephy(tp, 0x0d, 0x0000);

	/* Green feature */
	rtl_writephy(tp, 0x1f, 0x0003);
	rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
	rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
	rtl_writephy(tp, 0x1f, 0x0000);
}

3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046
static void rtl8168f_hw_phy_config(struct rtl8169_private *tp)
{
	/* For 4-corner performance improve */
	rtl_writephy(tp, 0x1f, 0x0005);
	rtl_writephy(tp, 0x05, 0x8b80);
	rtl_w1w0_phy(tp, 0x06, 0x0006, 0x0000);
	rtl_writephy(tp, 0x1f, 0x0000);

	/* PHY auto speed down */
	rtl_writephy(tp, 0x1f, 0x0007);
	rtl_writephy(tp, 0x1e, 0x002d);
	rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);

	/* Improve 10M EEE waveform */
	rtl_writephy(tp, 0x1f, 0x0005);
	rtl_writephy(tp, 0x05, 0x8b86);
	rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
	rtl_writephy(tp, 0x1f, 0x0000);
}

3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087
static void rtl8168f_1_hw_phy_config(struct rtl8169_private *tp)
{
	static const struct phy_reg phy_reg_init[] = {
		/* Channel estimation fine tune */
		{ 0x1f, 0x0003 },
		{ 0x09, 0xa20f },
		{ 0x1f, 0x0000 },

		/* Modify green table for giga & fnet */
		{ 0x1f, 0x0005 },
		{ 0x05, 0x8b55 },
		{ 0x06, 0x0000 },
		{ 0x05, 0x8b5e },
		{ 0x06, 0x0000 },
		{ 0x05, 0x8b67 },
		{ 0x06, 0x0000 },
		{ 0x05, 0x8b70 },
		{ 0x06, 0x0000 },
		{ 0x1f, 0x0000 },
		{ 0x1f, 0x0007 },
		{ 0x1e, 0x0078 },
		{ 0x17, 0x0000 },
		{ 0x19, 0x00fb },
		{ 0x1f, 0x0000 },

		/* Modify green table for 10M */
		{ 0x1f, 0x0005 },
		{ 0x05, 0x8b79 },
		{ 0x06, 0xaa00 },
		{ 0x1f, 0x0000 },

		/* Disable hiimpedance detection (RTCT) */
		{ 0x1f, 0x0003 },
		{ 0x01, 0x328a },
		{ 0x1f, 0x0000 }
	};

	rtl_apply_firmware(tp);

	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));

3088
	rtl8168f_hw_phy_config(tp);
3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100

	/* Improve 2-pair detection performance */
	rtl_writephy(tp, 0x1f, 0x0005);
	rtl_writephy(tp, 0x05, 0x8b85);
	rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
	rtl_writephy(tp, 0x1f, 0x0000);
}

static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp)
{
	rtl_apply_firmware(tp);

3101
	rtl8168f_hw_phy_config(tp);
3102 3103
}

3104
static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
3105
{
3106
	static const struct phy_reg phy_reg_init[] = {
3107 3108 3109 3110 3111 3112
		{ 0x1f, 0x0003 },
		{ 0x08, 0x441d },
		{ 0x01, 0x9100 },
		{ 0x1f, 0x0000 }
	};

3113 3114 3115 3116
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_patchphy(tp, 0x11, 1 << 12);
	rtl_patchphy(tp, 0x19, 1 << 13);
	rtl_patchphy(tp, 0x10, 1 << 15);
3117

3118
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3119 3120
}

3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141
static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
{
	static const struct phy_reg phy_reg_init[] = {
		{ 0x1f, 0x0005 },
		{ 0x1a, 0x0000 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0004 },
		{ 0x1c, 0x0000 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0001 },
		{ 0x15, 0x7701 },
		{ 0x1f, 0x0000 }
	};

	/* Disable ALDPS before ram code */
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_writephy(tp, 0x18, 0x0310);
	msleep(100);

3142
	rtl_apply_firmware(tp);
3143 3144 3145 3146

	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
}

3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165
static void rtl8402_hw_phy_config(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	/* Disable ALDPS before setting firmware */
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_writephy(tp, 0x18, 0x0310);
	msleep(20);

	rtl_apply_firmware(tp);

	/* EEE setting */
	rtl_eri_write(ioaddr, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
	rtl_writephy(tp, 0x1f, 0x0004);
	rtl_writephy(tp, 0x10, 0x401f);
	rtl_writephy(tp, 0x19, 0x7030);
	rtl_writephy(tp, 0x1f, 0x0000);
}

3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176
static void rtl_hw_phy_config(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);

	rtl8169_print_mac_version(tp);

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_01:
		break;
	case RTL_GIGA_MAC_VER_02:
	case RTL_GIGA_MAC_VER_03:
3177
		rtl8169s_hw_phy_config(tp);
3178 3179
		break;
	case RTL_GIGA_MAC_VER_04:
3180
		rtl8169sb_hw_phy_config(tp);
3181
		break;
3182
	case RTL_GIGA_MAC_VER_05:
3183
		rtl8169scd_hw_phy_config(tp);
3184
		break;
3185
	case RTL_GIGA_MAC_VER_06:
3186
		rtl8169sce_hw_phy_config(tp);
3187
		break;
3188 3189 3190
	case RTL_GIGA_MAC_VER_07:
	case RTL_GIGA_MAC_VER_08:
	case RTL_GIGA_MAC_VER_09:
3191
		rtl8102e_hw_phy_config(tp);
3192
		break;
3193
	case RTL_GIGA_MAC_VER_11:
3194
		rtl8168bb_hw_phy_config(tp);
3195 3196
		break;
	case RTL_GIGA_MAC_VER_12:
3197
		rtl8168bef_hw_phy_config(tp);
3198 3199
		break;
	case RTL_GIGA_MAC_VER_17:
3200
		rtl8168bef_hw_phy_config(tp);
3201
		break;
F
Francois Romieu 已提交
3202
	case RTL_GIGA_MAC_VER_18:
3203
		rtl8168cp_1_hw_phy_config(tp);
F
Francois Romieu 已提交
3204 3205
		break;
	case RTL_GIGA_MAC_VER_19:
3206
		rtl8168c_1_hw_phy_config(tp);
F
Francois Romieu 已提交
3207
		break;
3208
	case RTL_GIGA_MAC_VER_20:
3209
		rtl8168c_2_hw_phy_config(tp);
3210
		break;
F
Francois Romieu 已提交
3211
	case RTL_GIGA_MAC_VER_21:
3212
		rtl8168c_3_hw_phy_config(tp);
F
Francois Romieu 已提交
3213
		break;
3214
	case RTL_GIGA_MAC_VER_22:
3215
		rtl8168c_4_hw_phy_config(tp);
3216
		break;
F
Francois Romieu 已提交
3217
	case RTL_GIGA_MAC_VER_23:
3218
	case RTL_GIGA_MAC_VER_24:
3219
		rtl8168cp_2_hw_phy_config(tp);
F
Francois Romieu 已提交
3220
		break;
F
Francois Romieu 已提交
3221
	case RTL_GIGA_MAC_VER_25:
3222
		rtl8168d_1_hw_phy_config(tp);
3223 3224
		break;
	case RTL_GIGA_MAC_VER_26:
3225
		rtl8168d_2_hw_phy_config(tp);
3226 3227
		break;
	case RTL_GIGA_MAC_VER_27:
3228
		rtl8168d_3_hw_phy_config(tp);
F
Francois Romieu 已提交
3229
		break;
F
françois romieu 已提交
3230 3231 3232
	case RTL_GIGA_MAC_VER_28:
		rtl8168d_4_hw_phy_config(tp);
		break;
3233 3234 3235 3236
	case RTL_GIGA_MAC_VER_29:
	case RTL_GIGA_MAC_VER_30:
		rtl8105e_hw_phy_config(tp);
		break;
F
Francois Romieu 已提交
3237 3238 3239
	case RTL_GIGA_MAC_VER_31:
		/* None. */
		break;
H
hayeswang 已提交
3240 3241
	case RTL_GIGA_MAC_VER_32:
	case RTL_GIGA_MAC_VER_33:
H
Hayes Wang 已提交
3242 3243 3244 3245
		rtl8168e_1_hw_phy_config(tp);
		break;
	case RTL_GIGA_MAC_VER_34:
		rtl8168e_2_hw_phy_config(tp);
H
hayeswang 已提交
3246
		break;
3247 3248 3249 3250 3251 3252
	case RTL_GIGA_MAC_VER_35:
		rtl8168f_1_hw_phy_config(tp);
		break;
	case RTL_GIGA_MAC_VER_36:
		rtl8168f_2_hw_phy_config(tp);
		break;
F
Francois Romieu 已提交
3253

3254 3255 3256 3257
	case RTL_GIGA_MAC_VER_37:
		rtl8402_hw_phy_config(tp);
		break;

3258 3259 3260 3261 3262
	default:
		break;
	}
}

3263
static void rtl_phy_work(struct rtl8169_private *tp)
L
Linus Torvalds 已提交
3264 3265 3266 3267 3268
{
	struct timer_list *timer = &tp->timer;
	void __iomem *ioaddr = tp->mmio_addr;
	unsigned long timeout = RTL8169_PHY_TIMEOUT;

3269
	assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
L
Linus Torvalds 已提交
3270

3271
	if (tp->phy_reset_pending(tp)) {
3272
		/*
L
Linus Torvalds 已提交
3273 3274 3275 3276 3277 3278 3279 3280
		 * A busy loop could burn quite a few cycles on nowadays CPU.
		 * Let's delay the execution of the timer for a few ticks.
		 */
		timeout = HZ/10;
		goto out_mod_timer;
	}

	if (tp->link_ok(ioaddr))
3281
		return;
L
Linus Torvalds 已提交
3282

3283
	netif_warn(tp, link, tp->dev, "PHY reset until link up\n");
L
Linus Torvalds 已提交
3284

3285
	tp->phy_reset_enable(tp);
L
Linus Torvalds 已提交
3286 3287 3288

out_mod_timer:
	mod_timer(timer, jiffies + timeout);
3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301
}

static void rtl_schedule_task(struct rtl8169_private *tp, enum rtl_flag flag)
{
	if (!test_and_set_bit(flag, tp->wk.flags))
		schedule_work(&tp->wk.work);
}

static void rtl8169_phy_timer(unsigned long __opaque)
{
	struct net_device *dev = (struct net_device *)__opaque;
	struct rtl8169_private *tp = netdev_priv(dev);

3302
	rtl_schedule_task(tp, RTL_FLAG_TASK_PHY_PENDING);
L
Linus Torvalds 已提交
3303 3304 3305 3306 3307 3308 3309
}

static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
				  void __iomem *ioaddr)
{
	iounmap(ioaddr);
	pci_release_regions(pdev);
3310
	pci_clear_mwi(pdev);
L
Linus Torvalds 已提交
3311 3312 3313 3314
	pci_disable_device(pdev);
	free_netdev(dev);
}

3315 3316 3317
static void rtl8169_phy_reset(struct net_device *dev,
			      struct rtl8169_private *tp)
{
F
Francois Romieu 已提交
3318
	unsigned int i;
3319

3320
	tp->phy_reset_enable(tp);
3321
	for (i = 0; i < 100; i++) {
3322
		if (!tp->phy_reset_pending(tp))
3323 3324 3325
			return;
		msleep(1);
	}
3326
	netif_err(tp, link, dev, "PHY reset failed\n");
3327 3328
}

3329 3330 3331 3332 3333 3334 3335 3336
static bool rtl_tbi_enabled(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	return (tp->mac_version == RTL_GIGA_MAC_VER_01) &&
	    (RTL_R8(PHYstatus) & TBI_Enable);
}

3337 3338 3339 3340
static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

3341
	rtl_hw_phy_config(dev);
3342

3343 3344 3345 3346
	if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
		dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
		RTL_W8(0x82, 0x01);
	}
3347

3348 3349 3350 3351
	pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);

	if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
		pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
3352

3353
	if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
3354 3355 3356
		dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
		RTL_W8(0x82, 0x01);
		dprintk("Set PHY Reg 0x0bh = 0x00h\n");
3357
		rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
3358 3359
	}

3360 3361
	rtl8169_phy_reset(dev, tp);

3362
	rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
F
Francois Romieu 已提交
3363 3364 3365 3366 3367
			  ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
			  ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
			  (tp->mii.supports_gmii ?
			   ADVERTISED_1000baseT_Half |
			   ADVERTISED_1000baseT_Full : 0));
3368

3369
	if (rtl_tbi_enabled(tp))
3370
		netif_info(tp, link, dev, "TBI auto-negotiating\n");
3371 3372
}

3373 3374 3375 3376 3377 3378 3379 3380 3381
static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
{
	void __iomem *ioaddr = tp->mmio_addr;
	u32 high;
	u32 low;

	low  = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
	high = addr[4] | (addr[5] << 8);

3382
	rtl_lock_work(tp);
3383 3384

	RTL_W8(Cfg9346, Cfg9346_Unlock);
3385

3386
	RTL_W32(MAC4, high);
3387 3388
	RTL_R32(MAC4);

3389
	RTL_W32(MAC0, low);
3390 3391
	RTL_R32(MAC0);

3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403
	if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
		const struct exgmac_reg e[] = {
			{ .addr = 0xe0, ERIAR_MASK_1111, .val = low },
			{ .addr = 0xe4, ERIAR_MASK_1111, .val = high },
			{ .addr = 0xf0, ERIAR_MASK_1111, .val = low << 16 },
			{ .addr = 0xf4, ERIAR_MASK_1111, .val = high << 16 |
								low  >> 16 },
		};

		rtl_write_exgmac_batch(ioaddr, e, ARRAY_SIZE(e));
	}

3404 3405
	RTL_W8(Cfg9346, Cfg9346_Lock);

3406
	rtl_unlock_work(tp);
3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423
}

static int rtl_set_mac_address(struct net_device *dev, void *p)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	struct sockaddr *addr = p;

	if (!is_valid_ether_addr(addr->sa_data))
		return -EADDRNOTAVAIL;

	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);

	rtl_rar_set(tp, dev->dev_addr);

	return 0;
}

3424 3425 3426 3427 3428
static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	struct mii_ioctl_data *data = if_mii(ifr);

F
Francois Romieu 已提交
3429 3430
	return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
}
3431

F
Francois Romieu 已提交
3432 3433
static int rtl_xmii_ioctl(struct rtl8169_private *tp,
			  struct mii_ioctl_data *data, int cmd)
F
Francois Romieu 已提交
3434
{
3435 3436 3437 3438 3439 3440
	switch (cmd) {
	case SIOCGMIIPHY:
		data->phy_id = 32; /* Internal PHY */
		return 0;

	case SIOCGMIIREG:
3441
		data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
3442 3443 3444
		return 0;

	case SIOCSMIIREG:
3445
		rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
3446 3447 3448 3449 3450
		return 0;
	}
	return -EOPNOTSUPP;
}

F
Francois Romieu 已提交
3451 3452 3453 3454 3455
static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
{
	return -EOPNOTSUPP;
}

F
Francois Romieu 已提交
3456 3457 3458 3459 3460 3461 3462 3463
static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
{
	if (tp->features & RTL_FEATURE_MSI) {
		pci_disable_msi(pdev);
		tp->features &= ~RTL_FEATURE_MSI;
	}
}

3464 3465 3466 3467 3468 3469 3470 3471 3472
static void __devinit rtl_init_mdio_ops(struct rtl8169_private *tp)
{
	struct mdio_ops *ops = &tp->mdio_ops;

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_27:
		ops->write	= r8168dp_1_mdio_write;
		ops->read	= r8168dp_1_mdio_read;
		break;
F
françois romieu 已提交
3473
	case RTL_GIGA_MAC_VER_28:
3474
	case RTL_GIGA_MAC_VER_31:
F
françois romieu 已提交
3475 3476 3477
		ops->write	= r8168dp_2_mdio_write;
		ops->read	= r8168dp_2_mdio_read;
		break;
3478 3479 3480 3481 3482 3483 3484
	default:
		ops->write	= r8169_mdio_write;
		ops->read	= r8169_mdio_read;
		break;
	}
}

3485 3486 3487 3488 3489 3490 3491 3492 3493 3494
static void rtl_wol_suspend_quirk(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_29:
	case RTL_GIGA_MAC_VER_30:
	case RTL_GIGA_MAC_VER_32:
	case RTL_GIGA_MAC_VER_33:
	case RTL_GIGA_MAC_VER_34:
3495
	case RTL_GIGA_MAC_VER_37:
3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516
		RTL_W32(RxConfig, RTL_R32(RxConfig) |
			AcceptBroadcast | AcceptMulticast | AcceptMyPhys);
		break;
	default:
		break;
	}
}

static bool rtl_wol_pll_power_down(struct rtl8169_private *tp)
{
	if (!(__rtl8169_get_wol(tp) & WAKE_ANY))
		return false;

	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_writephy(tp, MII_BMCR, 0x0000);

	rtl_wol_suspend_quirk(tp);

	return true;
}

F
françois romieu 已提交
3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530
static void r810x_phy_power_down(struct rtl8169_private *tp)
{
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
}

static void r810x_phy_power_up(struct rtl8169_private *tp)
{
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
}

static void r810x_pll_power_down(struct rtl8169_private *tp)
{
H
Hayes Wang 已提交
3531 3532
	void __iomem *ioaddr = tp->mmio_addr;

3533
	if (rtl_wol_pll_power_down(tp))
F
françois romieu 已提交
3534 3535 3536
		return;

	r810x_phy_power_down(tp);
H
Hayes Wang 已提交
3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_07:
	case RTL_GIGA_MAC_VER_08:
	case RTL_GIGA_MAC_VER_09:
	case RTL_GIGA_MAC_VER_10:
	case RTL_GIGA_MAC_VER_13:
	case RTL_GIGA_MAC_VER_16:
		break;
	default:
		RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
		break;
	}
F
françois romieu 已提交
3550 3551 3552 3553
}

static void r810x_pll_power_up(struct rtl8169_private *tp)
{
H
Hayes Wang 已提交
3554 3555
	void __iomem *ioaddr = tp->mmio_addr;

F
françois romieu 已提交
3556
	r810x_phy_power_up(tp);
H
Hayes Wang 已提交
3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_07:
	case RTL_GIGA_MAC_VER_08:
	case RTL_GIGA_MAC_VER_09:
	case RTL_GIGA_MAC_VER_10:
	case RTL_GIGA_MAC_VER_13:
	case RTL_GIGA_MAC_VER_16:
		break;
	default:
		RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
		break;
	}
F
françois romieu 已提交
3570 3571 3572 3573 3574
}

static void r8168_phy_power_up(struct rtl8169_private *tp)
{
	rtl_writephy(tp, 0x1f, 0x0000);
H
hayeswang 已提交
3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595
	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_11:
	case RTL_GIGA_MAC_VER_12:
	case RTL_GIGA_MAC_VER_17:
	case RTL_GIGA_MAC_VER_18:
	case RTL_GIGA_MAC_VER_19:
	case RTL_GIGA_MAC_VER_20:
	case RTL_GIGA_MAC_VER_21:
	case RTL_GIGA_MAC_VER_22:
	case RTL_GIGA_MAC_VER_23:
	case RTL_GIGA_MAC_VER_24:
	case RTL_GIGA_MAC_VER_25:
	case RTL_GIGA_MAC_VER_26:
	case RTL_GIGA_MAC_VER_27:
	case RTL_GIGA_MAC_VER_28:
	case RTL_GIGA_MAC_VER_31:
		rtl_writephy(tp, 0x0e, 0x0000);
		break;
	default:
		break;
	}
F
françois romieu 已提交
3596 3597 3598 3599 3600 3601
	rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
}

static void r8168_phy_power_down(struct rtl8169_private *tp)
{
	rtl_writephy(tp, 0x1f, 0x0000);
H
hayeswang 已提交
3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627
	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_32:
	case RTL_GIGA_MAC_VER_33:
		rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
		break;

	case RTL_GIGA_MAC_VER_11:
	case RTL_GIGA_MAC_VER_12:
	case RTL_GIGA_MAC_VER_17:
	case RTL_GIGA_MAC_VER_18:
	case RTL_GIGA_MAC_VER_19:
	case RTL_GIGA_MAC_VER_20:
	case RTL_GIGA_MAC_VER_21:
	case RTL_GIGA_MAC_VER_22:
	case RTL_GIGA_MAC_VER_23:
	case RTL_GIGA_MAC_VER_24:
	case RTL_GIGA_MAC_VER_25:
	case RTL_GIGA_MAC_VER_26:
	case RTL_GIGA_MAC_VER_27:
	case RTL_GIGA_MAC_VER_28:
	case RTL_GIGA_MAC_VER_31:
		rtl_writephy(tp, 0x0e, 0x0200);
	default:
		rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
		break;
	}
F
françois romieu 已提交
3628 3629 3630 3631 3632 3633
}

static void r8168_pll_power_down(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

F
Francois Romieu 已提交
3634 3635 3636
	if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
	     tp->mac_version == RTL_GIGA_MAC_VER_28 ||
	     tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3637
	    r8168dp_check_dash(tp)) {
F
françois romieu 已提交
3638
		return;
3639
	}
F
françois romieu 已提交
3640

F
Francois Romieu 已提交
3641 3642
	if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
	     tp->mac_version == RTL_GIGA_MAC_VER_24) &&
F
françois romieu 已提交
3643 3644 3645 3646
	    (RTL_R16(CPlusCmd) & ASF)) {
		return;
	}

H
hayeswang 已提交
3647 3648 3649 3650
	if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_33)
		rtl_ephy_write(ioaddr, 0x19, 0xff64);

3651
	if (rtl_wol_pll_power_down(tp))
F
françois romieu 已提交
3652 3653 3654 3655 3656 3657 3658
		return;

	r8168_phy_power_down(tp);

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_25:
	case RTL_GIGA_MAC_VER_26:
3659 3660
	case RTL_GIGA_MAC_VER_27:
	case RTL_GIGA_MAC_VER_28:
3661
	case RTL_GIGA_MAC_VER_31:
H
hayeswang 已提交
3662 3663
	case RTL_GIGA_MAC_VER_32:
	case RTL_GIGA_MAC_VER_33:
F
françois romieu 已提交
3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675
		RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
		break;
	}
}

static void r8168_pll_power_up(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_25:
	case RTL_GIGA_MAC_VER_26:
3676 3677
	case RTL_GIGA_MAC_VER_27:
	case RTL_GIGA_MAC_VER_28:
3678
	case RTL_GIGA_MAC_VER_31:
H
hayeswang 已提交
3679 3680
	case RTL_GIGA_MAC_VER_32:
	case RTL_GIGA_MAC_VER_33:
F
françois romieu 已提交
3681 3682 3683 3684 3685 3686 3687
		RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
		break;
	}

	r8168_phy_power_up(tp);
}

F
Francois Romieu 已提交
3688 3689
static void rtl_generic_op(struct rtl8169_private *tp,
			   void (*op)(struct rtl8169_private *))
F
françois romieu 已提交
3690 3691 3692 3693 3694 3695 3696
{
	if (op)
		op(tp);
}

static void rtl_pll_power_down(struct rtl8169_private *tp)
{
F
Francois Romieu 已提交
3697
	rtl_generic_op(tp, tp->pll_power_ops.down);
F
françois romieu 已提交
3698 3699 3700 3701
}

static void rtl_pll_power_up(struct rtl8169_private *tp)
{
F
Francois Romieu 已提交
3702
	rtl_generic_op(tp, tp->pll_power_ops.up);
F
françois romieu 已提交
3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714
}

static void __devinit rtl_init_pll_power_ops(struct rtl8169_private *tp)
{
	struct pll_power_ops *ops = &tp->pll_power_ops;

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_07:
	case RTL_GIGA_MAC_VER_08:
	case RTL_GIGA_MAC_VER_09:
	case RTL_GIGA_MAC_VER_10:
	case RTL_GIGA_MAC_VER_16:
3715 3716
	case RTL_GIGA_MAC_VER_29:
	case RTL_GIGA_MAC_VER_30:
3717
	case RTL_GIGA_MAC_VER_37:
F
françois romieu 已提交
3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734
		ops->down	= r810x_pll_power_down;
		ops->up		= r810x_pll_power_up;
		break;

	case RTL_GIGA_MAC_VER_11:
	case RTL_GIGA_MAC_VER_12:
	case RTL_GIGA_MAC_VER_17:
	case RTL_GIGA_MAC_VER_18:
	case RTL_GIGA_MAC_VER_19:
	case RTL_GIGA_MAC_VER_20:
	case RTL_GIGA_MAC_VER_21:
	case RTL_GIGA_MAC_VER_22:
	case RTL_GIGA_MAC_VER_23:
	case RTL_GIGA_MAC_VER_24:
	case RTL_GIGA_MAC_VER_25:
	case RTL_GIGA_MAC_VER_26:
	case RTL_GIGA_MAC_VER_27:
F
françois romieu 已提交
3735
	case RTL_GIGA_MAC_VER_28:
3736
	case RTL_GIGA_MAC_VER_31:
H
hayeswang 已提交
3737 3738
	case RTL_GIGA_MAC_VER_32:
	case RTL_GIGA_MAC_VER_33:
H
Hayes Wang 已提交
3739
	case RTL_GIGA_MAC_VER_34:
3740 3741
	case RTL_GIGA_MAC_VER_35:
	case RTL_GIGA_MAC_VER_36:
F
françois romieu 已提交
3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752
		ops->down	= r8168_pll_power_down;
		ops->up		= r8168_pll_power_up;
		break;

	default:
		ops->down	= NULL;
		ops->up		= NULL;
		break;
	}
}

3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788
static void rtl_init_rxcfg(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_01:
	case RTL_GIGA_MAC_VER_02:
	case RTL_GIGA_MAC_VER_03:
	case RTL_GIGA_MAC_VER_04:
	case RTL_GIGA_MAC_VER_05:
	case RTL_GIGA_MAC_VER_06:
	case RTL_GIGA_MAC_VER_10:
	case RTL_GIGA_MAC_VER_11:
	case RTL_GIGA_MAC_VER_12:
	case RTL_GIGA_MAC_VER_13:
	case RTL_GIGA_MAC_VER_14:
	case RTL_GIGA_MAC_VER_15:
	case RTL_GIGA_MAC_VER_16:
	case RTL_GIGA_MAC_VER_17:
		RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
		break;
	case RTL_GIGA_MAC_VER_18:
	case RTL_GIGA_MAC_VER_19:
	case RTL_GIGA_MAC_VER_20:
	case RTL_GIGA_MAC_VER_21:
	case RTL_GIGA_MAC_VER_22:
	case RTL_GIGA_MAC_VER_23:
	case RTL_GIGA_MAC_VER_24:
		RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
		break;
	default:
		RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST);
		break;
	}
}

3789 3790 3791 3792 3793
static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
{
	tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
}

F
Francois Romieu 已提交
3794 3795
static void rtl_hw_jumbo_enable(struct rtl8169_private *tp)
{
3796 3797 3798
	void __iomem *ioaddr = tp->mmio_addr;

	RTL_W8(Cfg9346, Cfg9346_Unlock);
F
Francois Romieu 已提交
3799
	rtl_generic_op(tp, tp->jumbo_ops.enable);
3800
	RTL_W8(Cfg9346, Cfg9346_Lock);
F
Francois Romieu 已提交
3801 3802 3803 3804
}

static void rtl_hw_jumbo_disable(struct rtl8169_private *tp)
{
3805 3806 3807
	void __iomem *ioaddr = tp->mmio_addr;

	RTL_W8(Cfg9346, Cfg9346_Unlock);
F
Francois Romieu 已提交
3808
	rtl_generic_op(tp, tp->jumbo_ops.disable);
3809
	RTL_W8(Cfg9346, Cfg9346_Lock);
F
Francois Romieu 已提交
3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850
}

static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
	RTL_W8(Config4, RTL_R8(Config4) | Jumbo_En1);
	rtl_tx_performance_tweak(tp->pci_dev, 0x2 << MAX_READ_REQUEST_SHIFT);
}

static void r8168c_hw_jumbo_disable(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
	RTL_W8(Config4, RTL_R8(Config4) & ~Jumbo_En1);
	rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
}

static void r8168dp_hw_jumbo_enable(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
}

static void r8168dp_hw_jumbo_disable(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
}

static void r8168e_hw_jumbo_enable(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	RTL_W8(MaxTxPacketSize, 0x3f);
	RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
	RTL_W8(Config4, RTL_R8(Config4) | 0x01);
3851
	rtl_tx_performance_tweak(tp->pci_dev, 0x2 << MAX_READ_REQUEST_SHIFT);
F
Francois Romieu 已提交
3852 3853 3854 3855 3856 3857 3858 3859 3860
}

static void r8168e_hw_jumbo_disable(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	RTL_W8(MaxTxPacketSize, 0x0c);
	RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
	RTL_W8(Config4, RTL_R8(Config4) & ~0x01);
3861
	rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
F
Francois Romieu 已提交
3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943
}

static void r8168b_0_hw_jumbo_enable(struct rtl8169_private *tp)
{
	rtl_tx_performance_tweak(tp->pci_dev,
		(0x2 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
}

static void r8168b_0_hw_jumbo_disable(struct rtl8169_private *tp)
{
	rtl_tx_performance_tweak(tp->pci_dev,
		(0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
}

static void r8168b_1_hw_jumbo_enable(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	r8168b_0_hw_jumbo_enable(tp);

	RTL_W8(Config4, RTL_R8(Config4) | (1 << 0));
}

static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	r8168b_0_hw_jumbo_disable(tp);

	RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
}

static void __devinit rtl_init_jumbo_ops(struct rtl8169_private *tp)
{
	struct jumbo_ops *ops = &tp->jumbo_ops;

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_11:
		ops->disable	= r8168b_0_hw_jumbo_disable;
		ops->enable	= r8168b_0_hw_jumbo_enable;
		break;
	case RTL_GIGA_MAC_VER_12:
	case RTL_GIGA_MAC_VER_17:
		ops->disable	= r8168b_1_hw_jumbo_disable;
		ops->enable	= r8168b_1_hw_jumbo_enable;
		break;
	case RTL_GIGA_MAC_VER_18: /* Wild guess. Needs info from Realtek. */
	case RTL_GIGA_MAC_VER_19:
	case RTL_GIGA_MAC_VER_20:
	case RTL_GIGA_MAC_VER_21: /* Wild guess. Needs info from Realtek. */
	case RTL_GIGA_MAC_VER_22:
	case RTL_GIGA_MAC_VER_23:
	case RTL_GIGA_MAC_VER_24:
	case RTL_GIGA_MAC_VER_25:
	case RTL_GIGA_MAC_VER_26:
		ops->disable	= r8168c_hw_jumbo_disable;
		ops->enable	= r8168c_hw_jumbo_enable;
		break;
	case RTL_GIGA_MAC_VER_27:
	case RTL_GIGA_MAC_VER_28:
		ops->disable	= r8168dp_hw_jumbo_disable;
		ops->enable	= r8168dp_hw_jumbo_enable;
		break;
	case RTL_GIGA_MAC_VER_31: /* Wild guess. Needs info from Realtek. */
	case RTL_GIGA_MAC_VER_32:
	case RTL_GIGA_MAC_VER_33:
	case RTL_GIGA_MAC_VER_34:
		ops->disable	= r8168e_hw_jumbo_disable;
		ops->enable	= r8168e_hw_jumbo_enable;
		break;

	/*
	 * No action needed for jumbo frames with 8169.
	 * No jumbo for 810x at all.
	 */
	default:
		ops->disable	= NULL;
		ops->enable	= NULL;
		break;
	}
}

3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955
static void rtl_hw_reset(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;
	int i;

	/* Soft reset the chip. */
	RTL_W8(ChipCmd, CmdReset);

	/* Check that the chip has finished the reset. */
	for (i = 0; i < 100; i++) {
		if ((RTL_R8(ChipCmd) & CmdReset) == 0)
			break;
3956
		udelay(100);
3957 3958 3959
	}
}

3960
static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
3961
{
3962 3963 3964
	struct rtl_fw *rtl_fw;
	const char *name;
	int rc = -ENOMEM;
3965

3966 3967 3968
	name = rtl_lookup_firmware_name(tp);
	if (!name)
		goto out_no_firmware;
3969

3970 3971 3972
	rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
	if (!rtl_fw)
		goto err_warn;
3973

3974 3975 3976 3977
	rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
	if (rc < 0)
		goto err_free;

3978 3979 3980 3981
	rc = rtl_check_firmware(tp, rtl_fw);
	if (rc < 0)
		goto err_release_firmware;

3982 3983 3984 3985
	tp->rtl_fw = rtl_fw;
out:
	return;

3986 3987
err_release_firmware:
	release_firmware(rtl_fw->fw);
3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001
err_free:
	kfree(rtl_fw);
err_warn:
	netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
		   name, rc);
out_no_firmware:
	tp->rtl_fw = NULL;
	goto out;
}

static void rtl_request_firmware(struct rtl8169_private *tp)
{
	if (IS_ERR(tp->rtl_fw))
		rtl_request_uncached_firmware(tp);
4002 4003
}

4004 4005 4006 4007
static void rtl_rx_close(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

4008
	RTL_W32(RxConfig, RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
4009 4010
}

F
françois romieu 已提交
4011
static void rtl8169_hw_reset(struct rtl8169_private *tp)
L
Linus Torvalds 已提交
4012
{
F
françois romieu 已提交
4013 4014
	void __iomem *ioaddr = tp->mmio_addr;

L
Linus Torvalds 已提交
4015
	/* Disable interrupts */
F
françois romieu 已提交
4016
	rtl8169_irq_mask_and_ack(tp);
L
Linus Torvalds 已提交
4017

4018 4019
	rtl_rx_close(tp);

4020
	if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
4021 4022
	    tp->mac_version == RTL_GIGA_MAC_VER_28 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_31) {
F
françois romieu 已提交
4023 4024
		while (RTL_R8(TxPoll) & NPQ)
			udelay(20);
4025 4026
	} else if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
	           tp->mac_version == RTL_GIGA_MAC_VER_35 ||
4027 4028
	           tp->mac_version == RTL_GIGA_MAC_VER_36 ||
	           tp->mac_version == RTL_GIGA_MAC_VER_37) {
4029
		RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
H
Hayes Wang 已提交
4030 4031
		while (!(RTL_R32(TxConfig) & TXCFG_EMPTY))
			udelay(100);
4032 4033 4034
	} else {
		RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
		udelay(100);
F
françois romieu 已提交
4035 4036
	}

4037
	rtl_hw_reset(tp);
L
Linus Torvalds 已提交
4038 4039
}

4040
static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
4041 4042 4043 4044 4045 4046 4047 4048
{
	void __iomem *ioaddr = tp->mmio_addr;

	/* Set DMA burst size and Interframe Gap Time */
	RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
		(InterFrameGap << TxInterFrameGapShift));
}

4049
static void rtl_hw_start(struct net_device *dev)
L
Linus Torvalds 已提交
4050 4051 4052
{
	struct rtl8169_private *tp = netdev_priv(dev);

4053 4054
	tp->hw_start(dev);

4055
	rtl_irq_enable_all(tp);
4056 4057
}

4058 4059 4060 4061 4062 4063 4064 4065 4066
static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
					 void __iomem *ioaddr)
{
	/*
	 * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
	 * register to be written before TxDescAddrLow to work.
	 * Switching from MMIO to I/O access fixes the issue as well.
	 */
	RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
4067
	RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
4068
	RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
4069
	RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080
}

static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
{
	u16 cmd;

	cmd = RTL_R16(CPlusCmd);
	RTL_W16(CPlusCmd, cmd);
	return cmd;
}

4081
static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
4082 4083
{
	/* Low hurts. Let's disable the filtering. */
4084
	RTL_W16(RxMaxSize, rx_buf_sz + 1);
4085 4086
}

4087 4088
static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
{
4089
	static const struct rtl_cfg2_info {
4090 4091 4092 4093 4094 4095 4096 4097
		u32 mac_version;
		u32 clk;
		u32 val;
	} cfg2_info [] = {
		{ RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
		{ RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
		{ RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
		{ RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
4098 4099
	};
	const struct rtl_cfg2_info *p = cfg2_info;
4100 4101 4102 4103
	unsigned int i;
	u32 clk;

	clk = RTL_R8(Config2) & PCI_Clock_66MHz;
4104
	for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
4105 4106 4107 4108 4109 4110 4111
		if ((p->mac_version == mac_version) && (p->clk == clk)) {
			RTL_W32(0x7c, p->val);
			break;
		}
	}
}

4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161
static void rtl_set_rx_mode(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
	u32 mc_filter[2];	/* Multicast hash filter */
	int rx_mode;
	u32 tmp = 0;

	if (dev->flags & IFF_PROMISC) {
		/* Unconditionally log net taps. */
		netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
		rx_mode =
		    AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
		    AcceptAllPhys;
		mc_filter[1] = mc_filter[0] = 0xffffffff;
	} else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
		   (dev->flags & IFF_ALLMULTI)) {
		/* Too many to filter perfectly -- accept all multicasts. */
		rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
		mc_filter[1] = mc_filter[0] = 0xffffffff;
	} else {
		struct netdev_hw_addr *ha;

		rx_mode = AcceptBroadcast | AcceptMyPhys;
		mc_filter[1] = mc_filter[0] = 0;
		netdev_for_each_mc_addr(ha, dev) {
			int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
			mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
			rx_mode |= AcceptMulticast;
		}
	}

	if (dev->features & NETIF_F_RXALL)
		rx_mode |= (AcceptErr | AcceptRunt);

	tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;

	if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
		u32 data = mc_filter[0];

		mc_filter[0] = swab32(mc_filter[1]);
		mc_filter[1] = swab32(data);
	}

	RTL_W32(MAR0 + 4, mc_filter[1]);
	RTL_W32(MAR0 + 0, mc_filter[0]);

	RTL_W32(RxConfig, tmp);
}

4162 4163 4164 4165 4166 4167
static void rtl_hw_start_8169(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;

4168 4169 4170 4171 4172
	if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
		RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
		pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
	}

L
Linus Torvalds 已提交
4173
	RTL_W8(Cfg9346, Cfg9346_Unlock);
F
Francois Romieu 已提交
4174 4175 4176 4177
	if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_02 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_03 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_04)
4178 4179
		RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);

4180 4181
	rtl_init_rxcfg(tp);

4182
	RTL_W8(EarlyTxThres, NoEarlyTx);
L
Linus Torvalds 已提交
4183

E
Eric Dumazet 已提交
4184
	rtl_set_rx_max_size(ioaddr, rx_buf_sz);
L
Linus Torvalds 已提交
4185

F
Francois Romieu 已提交
4186 4187 4188 4189
	if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_02 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_03 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_04)
4190
		rtl_set_rx_tx_config_registers(tp);
L
Linus Torvalds 已提交
4191

4192
	tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
L
Linus Torvalds 已提交
4193

F
Francois Romieu 已提交
4194 4195
	if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_03) {
4196
		dprintk("Set MAC Reg C+CR Offset 0xE0. "
L
Linus Torvalds 已提交
4197
			"Bit-3 and bit-14 MUST be 1\n");
4198
		tp->cp_cmd |= (1 << 14);
L
Linus Torvalds 已提交
4199 4200
	}

4201 4202
	RTL_W16(CPlusCmd, tp->cp_cmd);

4203 4204
	rtl8169_set_magic_reg(ioaddr, tp->mac_version);

L
Linus Torvalds 已提交
4205 4206 4207 4208 4209 4210
	/*
	 * Undocumented corner. Supposedly:
	 * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
	 */
	RTL_W16(IntrMitigate, 0x0000);

4211
	rtl_set_rx_tx_desc_registers(tp, ioaddr);
4212

F
Francois Romieu 已提交
4213 4214 4215 4216
	if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
	    tp->mac_version != RTL_GIGA_MAC_VER_02 &&
	    tp->mac_version != RTL_GIGA_MAC_VER_03 &&
	    tp->mac_version != RTL_GIGA_MAC_VER_04) {
4217 4218 4219 4220
		RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
		rtl_set_rx_tx_config_registers(tp);
	}

L
Linus Torvalds 已提交
4221
	RTL_W8(Cfg9346, Cfg9346_Lock);
F
Francois Romieu 已提交
4222 4223 4224

	/* Initially a 10 us delay. Turned it into a PCI commit. - FR */
	RTL_R8(IntrMask);
L
Linus Torvalds 已提交
4225 4226 4227

	RTL_W32(RxMissed, 0);

4228
	rtl_set_rx_mode(dev);
L
Linus Torvalds 已提交
4229 4230 4231

	/* no early-rx interrupts */
	RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4232
}
L
Linus Torvalds 已提交
4233

4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248
static void rtl_csi_write(struct rtl8169_private *tp, int addr, int value)
{
	if (tp->csi_ops.write)
		tp->csi_ops.write(tp->mmio_addr, addr, value);
}

static u32 rtl_csi_read(struct rtl8169_private *tp, int addr)
{
	if (tp->csi_ops.read)
		return tp->csi_ops.read(tp->mmio_addr, addr);
	else
		return ~0;
}

static void rtl_csi_access_enable(struct rtl8169_private *tp, u32 bits)
4249 4250 4251
{
	u32 csi;

4252 4253 4254 4255 4256 4257 4258
	csi = rtl_csi_read(tp, 0x070c) & 0x00ffffff;
	rtl_csi_write(tp, 0x070c, csi | bits);
}

static void rtl_csi_access_enable_1(struct rtl8169_private *tp)
{
	rtl_csi_access_enable(tp, 0x17000000);
4259 4260
}

4261
static void rtl_csi_access_enable_2(struct rtl8169_private *tp)
F
françois romieu 已提交
4262
{
4263
	rtl_csi_access_enable(tp, 0x27000000);
F
françois romieu 已提交
4264 4265
}

4266
static void r8169_csi_write(void __iomem *ioaddr, int addr, int value)
4267
{
4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299
	unsigned int i;

	RTL_W32(CSIDR, value);
	RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
		CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);

	for (i = 0; i < 100; i++) {
		if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
			break;
		udelay(10);
	}
}

static u32 r8169_csi_read(void __iomem *ioaddr, int addr)
{
	u32 value = ~0x00;
	unsigned int i;

	RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
		CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);

	for (i = 0; i < 100; i++) {
		if (RTL_R32(CSIAR) & CSIAR_FLAG) {
			value = RTL_R32(CSIDR);
			break;
		}
		udelay(10);
	}

	return value;
}

4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334
static void r8402_csi_write(void __iomem *ioaddr, int addr, int value)
{
	unsigned int i;

	RTL_W32(CSIDR, value);
	RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
		CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT |
		CSIAR_FUNC_NIC);

	for (i = 0; i < 100; i++) {
		if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
			break;
		udelay(10);
	}
}

static u32 r8402_csi_read(void __iomem *ioaddr, int addr)
{
	u32 value = ~0x00;
	unsigned int i;

	RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) | CSIAR_FUNC_NIC |
		CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);

	for (i = 0; i < 100; i++) {
		if (RTL_R32(CSIAR) & CSIAR_FLAG) {
			value = RTL_R32(CSIDR);
			break;
		}
		udelay(10);
	}

	return value;
}

4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357
static void __devinit rtl_init_csi_ops(struct rtl8169_private *tp)
{
	struct csi_ops *ops = &tp->csi_ops;

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_01:
	case RTL_GIGA_MAC_VER_02:
	case RTL_GIGA_MAC_VER_03:
	case RTL_GIGA_MAC_VER_04:
	case RTL_GIGA_MAC_VER_05:
	case RTL_GIGA_MAC_VER_06:
	case RTL_GIGA_MAC_VER_10:
	case RTL_GIGA_MAC_VER_11:
	case RTL_GIGA_MAC_VER_12:
	case RTL_GIGA_MAC_VER_13:
	case RTL_GIGA_MAC_VER_14:
	case RTL_GIGA_MAC_VER_15:
	case RTL_GIGA_MAC_VER_16:
	case RTL_GIGA_MAC_VER_17:
		ops->write	= NULL;
		ops->read	= NULL;
		break;

4358 4359 4360 4361 4362
	case RTL_GIGA_MAC_VER_37:
		ops->write	= r8402_csi_write;
		ops->read	= r8402_csi_read;
		break;

4363 4364 4365 4366 4367
	default:
		ops->write	= r8169_csi_write;
		ops->read	= r8169_csi_read;
		break;
	}
4368 4369 4370 4371 4372 4373 4374 4375
}

struct ephy_info {
	unsigned int offset;
	u16 mask;
	u16 bits;
};

4376
static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
4377 4378 4379 4380 4381 4382 4383 4384 4385 4386
{
	u16 w;

	while (len-- > 0) {
		w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
		rtl_ephy_write(ioaddr, e->offset, w);
		e++;
	}
}

4387 4388
static void rtl_disable_clock_request(struct pci_dev *pdev)
{
4389
	int cap = pci_pcie_cap(pdev);
4390 4391 4392 4393 4394 4395 4396 4397 4398 4399

	if (cap) {
		u16 ctl;

		pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
		ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
		pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
	}
}

F
françois romieu 已提交
4400 4401
static void rtl_enable_clock_request(struct pci_dev *pdev)
{
4402
	int cap = pci_pcie_cap(pdev);
F
françois romieu 已提交
4403 4404 4405 4406 4407 4408 4409 4410 4411 4412

	if (cap) {
		u16 ctl;

		pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
		ctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
		pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
	}
}

4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423
#define R8168_CPCMD_QUIRK_MASK (\
	EnableBist | \
	Mac_dbgo_oe | \
	Force_half_dup | \
	Force_rxflow_en | \
	Force_txflow_en | \
	Cxpl_dbg_sel | \
	ASF | \
	PktCntrDisable | \
	Mac_dbgo_sel)

4424
static void rtl_hw_start_8168bb(struct rtl8169_private *tp)
4425
{
4426 4427 4428
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;

4429 4430 4431 4432
	RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);

	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);

4433 4434
	rtl_tx_performance_tweak(pdev,
		(0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4435 4436
}

4437
static void rtl_hw_start_8168bef(struct rtl8169_private *tp)
4438
{
4439 4440 4441
	void __iomem *ioaddr = tp->mmio_addr;

	rtl_hw_start_8168bb(tp);
4442

4443
	RTL_W8(MaxTxPacketSize, TxPacketMax);
4444 4445

	RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4446 4447
}

4448
static void __rtl_hw_start_8168cp(struct rtl8169_private *tp)
4449
{
4450 4451 4452
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;

4453 4454 4455 4456
	RTL_W8(Config1, RTL_R8(Config1) | Speed_down);

	RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);

4457
	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4458 4459 4460 4461

	rtl_disable_clock_request(pdev);

	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4462 4463
}

4464
static void rtl_hw_start_8168cp_1(struct rtl8169_private *tp)
4465
{
4466
	void __iomem *ioaddr = tp->mmio_addr;
4467
	static const struct ephy_info e_info_8168cp[] = {
4468 4469 4470 4471 4472 4473 4474
		{ 0x01, 0,	0x0001 },
		{ 0x02, 0x0800,	0x1000 },
		{ 0x03, 0,	0x0042 },
		{ 0x06, 0x0080,	0x0000 },
		{ 0x07, 0,	0x2000 }
	};

4475
	rtl_csi_access_enable_2(tp);
4476 4477 4478

	rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));

4479
	__rtl_hw_start_8168cp(tp);
4480 4481
}

4482
static void rtl_hw_start_8168cp_2(struct rtl8169_private *tp)
F
Francois Romieu 已提交
4483
{
4484 4485 4486 4487
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;

	rtl_csi_access_enable_2(tp);
F
Francois Romieu 已提交
4488 4489 4490 4491 4492 4493 4494 4495

	RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}

4496
static void rtl_hw_start_8168cp_3(struct rtl8169_private *tp)
4497
{
4498 4499 4500 4501
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;

	rtl_csi_access_enable_2(tp);
4502 4503 4504 4505 4506 4507

	RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);

	/* Magic. */
	RTL_W8(DBG_REG, 0x20);

4508
	RTL_W8(MaxTxPacketSize, TxPacketMax);
4509 4510 4511 4512 4513 4514

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}

4515
static void rtl_hw_start_8168c_1(struct rtl8169_private *tp)
4516
{
4517
	void __iomem *ioaddr = tp->mmio_addr;
4518
	static const struct ephy_info e_info_8168c_1[] = {
4519 4520 4521 4522 4523
		{ 0x02, 0x0800,	0x1000 },
		{ 0x03, 0,	0x0002 },
		{ 0x06, 0x0080,	0x0000 }
	};

4524
	rtl_csi_access_enable_2(tp);
4525 4526 4527 4528 4529

	RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);

	rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));

4530
	__rtl_hw_start_8168cp(tp);
4531 4532
}

4533
static void rtl_hw_start_8168c_2(struct rtl8169_private *tp)
4534
{
4535
	void __iomem *ioaddr = tp->mmio_addr;
4536
	static const struct ephy_info e_info_8168c_2[] = {
4537 4538 4539 4540
		{ 0x01, 0,	0x0001 },
		{ 0x03, 0x0400,	0x0220 }
	};

4541
	rtl_csi_access_enable_2(tp);
4542 4543 4544

	rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));

4545
	__rtl_hw_start_8168cp(tp);
4546 4547
}

4548
static void rtl_hw_start_8168c_3(struct rtl8169_private *tp)
F
Francois Romieu 已提交
4549
{
4550
	rtl_hw_start_8168c_2(tp);
F
Francois Romieu 已提交
4551 4552
}

4553
static void rtl_hw_start_8168c_4(struct rtl8169_private *tp)
4554
{
4555
	rtl_csi_access_enable_2(tp);
4556

4557
	__rtl_hw_start_8168cp(tp);
4558 4559
}

4560
static void rtl_hw_start_8168d(struct rtl8169_private *tp)
F
Francois Romieu 已提交
4561
{
4562 4563 4564 4565
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;

	rtl_csi_access_enable_2(tp);
F
Francois Romieu 已提交
4566 4567 4568

	rtl_disable_clock_request(pdev);

4569
	RTL_W8(MaxTxPacketSize, TxPacketMax);
F
Francois Romieu 已提交
4570 4571 4572 4573 4574 4575

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}

4576
static void rtl_hw_start_8168dp(struct rtl8169_private *tp)
4577
{
4578 4579 4580 4581
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;

	rtl_csi_access_enable_1(tp);
4582 4583 4584 4585 4586 4587 4588 4589

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W8(MaxTxPacketSize, TxPacketMax);

	rtl_disable_clock_request(pdev);
}

4590
static void rtl_hw_start_8168d_4(struct rtl8169_private *tp)
F
françois romieu 已提交
4591
{
4592 4593
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;
F
françois romieu 已提交
4594 4595 4596 4597 4598 4599 4600
	static const struct ephy_info e_info_8168d_4[] = {
		{ 0x0b, ~0,	0x48 },
		{ 0x19, 0x20,	0x50 },
		{ 0x0c, ~0,	0x20 }
	};
	int i;

4601
	rtl_csi_access_enable_1(tp);
F
françois romieu 已提交
4602 4603 4604 4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615 4616 4617

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W8(MaxTxPacketSize, TxPacketMax);

	for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
		const struct ephy_info *e = e_info_8168d_4 + i;
		u16 w;

		w = rtl_ephy_read(ioaddr, e->offset);
		rtl_ephy_write(ioaddr, 0x03, (w & e->mask) | e->bits);
	}

	rtl_enable_clock_request(pdev);
}

4618
static void rtl_hw_start_8168e_1(struct rtl8169_private *tp)
H
hayeswang 已提交
4619
{
4620 4621
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;
H
Hayes Wang 已提交
4622
	static const struct ephy_info e_info_8168e_1[] = {
H
hayeswang 已提交
4623 4624 4625 4626 4627 4628 4629 4630 4631 4632 4633 4634 4635 4636 4637
		{ 0x00, 0x0200,	0x0100 },
		{ 0x00, 0x0000,	0x0004 },
		{ 0x06, 0x0002,	0x0001 },
		{ 0x06, 0x0000,	0x0030 },
		{ 0x07, 0x0000,	0x2000 },
		{ 0x00, 0x0000,	0x0020 },
		{ 0x03, 0x5800,	0x2000 },
		{ 0x03, 0x0000,	0x0001 },
		{ 0x01, 0x0800,	0x1000 },
		{ 0x07, 0x0000,	0x4000 },
		{ 0x1e, 0x0000,	0x2000 },
		{ 0x19, 0xffff,	0xfe6c },
		{ 0x0a, 0x0000,	0x0040 }
	};

4638
	rtl_csi_access_enable_2(tp);
H
hayeswang 已提交
4639

H
Hayes Wang 已提交
4640
	rtl_ephy_init(ioaddr, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));
H
hayeswang 已提交
4641 4642 4643 4644 4645 4646 4647 4648

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W8(MaxTxPacketSize, TxPacketMax);

	rtl_disable_clock_request(pdev);

	/* Reset tx FIFO pointer */
F
Francois Romieu 已提交
4649 4650
	RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
	RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
H
hayeswang 已提交
4651

F
Francois Romieu 已提交
4652
	RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
H
hayeswang 已提交
4653 4654
}

4655
static void rtl_hw_start_8168e_2(struct rtl8169_private *tp)
H
Hayes Wang 已提交
4656
{
4657 4658
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;
H
Hayes Wang 已提交
4659 4660 4661 4662 4663
	static const struct ephy_info e_info_8168e_2[] = {
		{ 0x09, 0x0000,	0x0080 },
		{ 0x19, 0x0000,	0x0224 }
	};

4664
	rtl_csi_access_enable_1(tp);
H
Hayes Wang 已提交
4665 4666 4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679

	rtl_ephy_init(ioaddr, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
	rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
	rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
	rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
	rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
	rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
	rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
	rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
		     ERIAR_EXGMAC);

4680
	RTL_W8(MaxTxPacketSize, EarlySize);
H
Hayes Wang 已提交
4681 4682 4683 4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694

	rtl_disable_clock_request(pdev);

	RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
	RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);

	/* Adjust EEE LED frequency */
	RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);

	RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
	RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
	RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
}

4695
static void rtl_hw_start_8168f(struct rtl8169_private *tp)
4696
{
4697 4698
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;
4699

4700
	rtl_csi_access_enable_2(tp);
4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 4711 4712 4713 4714 4715 4716 4717 4718 4719 4720 4721 4722 4723 4724 4725

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
	rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
	rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
	rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
	rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
	rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
	rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
	rtl_w1w0_eri(ioaddr, 0x1d0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
	rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
	rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x00000060, ERIAR_EXGMAC);

	RTL_W8(MaxTxPacketSize, EarlySize);

	rtl_disable_clock_request(pdev);

	RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
	RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
	RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
	RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
	RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
}

4726 4727 4728 4729 4730 4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746
static void rtl_hw_start_8168f_1(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;
	static const struct ephy_info e_info_8168f_1[] = {
		{ 0x06, 0x00c0,	0x0020 },
		{ 0x08, 0x0001,	0x0002 },
		{ 0x09, 0x0000,	0x0080 },
		{ 0x19, 0x0000,	0x0224 }
	};

	rtl_hw_start_8168f(tp);

	rtl_ephy_init(ioaddr, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1));

	rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
		     ERIAR_EXGMAC);

	/* Adjust EEE LED frequency */
	RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
}

4747 4748
static void rtl_hw_start_8168(struct net_device *dev)
{
4749 4750 4751 4752 4753
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;

	RTL_W8(Cfg9346, Cfg9346_Unlock);

4754
	RTL_W8(MaxTxPacketSize, TxPacketMax);
4755

E
Eric Dumazet 已提交
4756
	rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4757

4758
	tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
4759 4760 4761

	RTL_W16(CPlusCmd, tp->cp_cmd);

4762
	RTL_W16(IntrMitigate, 0x5151);
4763

4764
	/* Work around for RxFIFO overflow. */
F
françois romieu 已提交
4765
	if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
4766 4767
		tp->event_slow |= RxFIFOOver | PCSTimeout;
		tp->event_slow &= ~RxOverflow;
4768 4769 4770
	}

	rtl_set_rx_tx_desc_registers(tp, ioaddr);
4771

4772 4773 4774 4775
	rtl_set_rx_mode(dev);

	RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
		(InterFrameGap << TxInterFrameGapShift));
4776 4777 4778

	RTL_R8(IntrMask);

4779 4780
	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_11:
4781
		rtl_hw_start_8168bb(tp);
4782
		break;
4783 4784 4785

	case RTL_GIGA_MAC_VER_12:
	case RTL_GIGA_MAC_VER_17:
4786
		rtl_hw_start_8168bef(tp);
4787
		break;
4788 4789

	case RTL_GIGA_MAC_VER_18:
4790
		rtl_hw_start_8168cp_1(tp);
4791
		break;
4792 4793

	case RTL_GIGA_MAC_VER_19:
4794
		rtl_hw_start_8168c_1(tp);
4795
		break;
4796 4797

	case RTL_GIGA_MAC_VER_20:
4798
		rtl_hw_start_8168c_2(tp);
4799
		break;
4800

F
Francois Romieu 已提交
4801
	case RTL_GIGA_MAC_VER_21:
4802
		rtl_hw_start_8168c_3(tp);
4803
		break;
F
Francois Romieu 已提交
4804

4805
	case RTL_GIGA_MAC_VER_22:
4806
		rtl_hw_start_8168c_4(tp);
4807
		break;
4808

F
Francois Romieu 已提交
4809
	case RTL_GIGA_MAC_VER_23:
4810
		rtl_hw_start_8168cp_2(tp);
4811
		break;
F
Francois Romieu 已提交
4812

4813
	case RTL_GIGA_MAC_VER_24:
4814
		rtl_hw_start_8168cp_3(tp);
4815
		break;
4816

F
Francois Romieu 已提交
4817
	case RTL_GIGA_MAC_VER_25:
4818 4819
	case RTL_GIGA_MAC_VER_26:
	case RTL_GIGA_MAC_VER_27:
4820
		rtl_hw_start_8168d(tp);
4821
		break;
F
Francois Romieu 已提交
4822

F
françois romieu 已提交
4823
	case RTL_GIGA_MAC_VER_28:
4824
		rtl_hw_start_8168d_4(tp);
4825
		break;
F
Francois Romieu 已提交
4826

4827
	case RTL_GIGA_MAC_VER_31:
4828
		rtl_hw_start_8168dp(tp);
4829 4830
		break;

H
hayeswang 已提交
4831 4832
	case RTL_GIGA_MAC_VER_32:
	case RTL_GIGA_MAC_VER_33:
4833
		rtl_hw_start_8168e_1(tp);
H
Hayes Wang 已提交
4834 4835
		break;
	case RTL_GIGA_MAC_VER_34:
4836
		rtl_hw_start_8168e_2(tp);
H
hayeswang 已提交
4837
		break;
F
françois romieu 已提交
4838

4839 4840
	case RTL_GIGA_MAC_VER_35:
	case RTL_GIGA_MAC_VER_36:
4841
		rtl_hw_start_8168f_1(tp);
4842 4843
		break;

4844 4845 4846
	default:
		printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
			dev->name, tp->mac_version);
4847
		break;
4848
	}
4849

4850 4851
	RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);

4852 4853
	RTL_W8(Cfg9346, Cfg9346_Lock);

4854
	RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4855
}
L
Linus Torvalds 已提交
4856

4857 4858 4859 4860
#define R810X_CPCMD_QUIRK_MASK (\
	EnableBist | \
	Mac_dbgo_oe | \
	Force_half_dup | \
F
françois romieu 已提交
4861
	Force_rxflow_en | \
4862 4863 4864 4865
	Force_txflow_en | \
	Cxpl_dbg_sel | \
	ASF | \
	PktCntrDisable | \
4866
	Mac_dbgo_sel)
4867

4868
static void rtl_hw_start_8102e_1(struct rtl8169_private *tp)
4869
{
4870 4871
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;
4872
	static const struct ephy_info e_info_8102e_1[] = {
4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883
		{ 0x01,	0, 0x6e65 },
		{ 0x02,	0, 0x091f },
		{ 0x03,	0, 0xc2f9 },
		{ 0x06,	0, 0xafb5 },
		{ 0x07,	0, 0x0e00 },
		{ 0x19,	0, 0xec80 },
		{ 0x01,	0, 0x2e65 },
		{ 0x01,	0, 0x6e65 }
	};
	u8 cfg1;

4884
	rtl_csi_access_enable_2(tp);
4885 4886 4887 4888 4889 4890 4891 4892 4893 4894 4895 4896 4897 4898 4899 4900

	RTL_W8(DBG_REG, FIX_NAK_1);

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W8(Config1,
	       LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
	RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);

	cfg1 = RTL_R8(Config1);
	if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
		RTL_W8(Config1, cfg1 & ~LEDS0);

	rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
}

4901
static void rtl_hw_start_8102e_2(struct rtl8169_private *tp)
4902
{
4903 4904 4905 4906
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;

	rtl_csi_access_enable_2(tp);
4907 4908 4909 4910 4911 4912 4913

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
	RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
}

4914
static void rtl_hw_start_8102e_3(struct rtl8169_private *tp)
4915
{
4916
	rtl_hw_start_8102e_2(tp);
4917

4918
	rtl_ephy_write(tp->mmio_addr, 0x03, 0xc2f9);
4919 4920
}

4921
static void rtl_hw_start_8105e_1(struct rtl8169_private *tp)
4922
{
4923
	void __iomem *ioaddr = tp->mmio_addr;
4924 4925 4926 4927 4928 4929 4930 4931 4932 4933 4934
	static const struct ephy_info e_info_8105e_1[] = {
		{ 0x07,	0, 0x4000 },
		{ 0x19,	0, 0x0200 },
		{ 0x19,	0, 0x0020 },
		{ 0x1e,	0, 0x2000 },
		{ 0x03,	0, 0x0001 },
		{ 0x19,	0, 0x0100 },
		{ 0x19,	0, 0x0004 },
		{ 0x0a,	0, 0x0020 }
	};

F
Francois Romieu 已提交
4935
	/* Force LAN exit from ASPM if Rx/Tx are not idle */
4936 4937
	RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);

F
Francois Romieu 已提交
4938
	/* Disable Early Tally Counter */
4939 4940 4941
	RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);

	RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
H
Hayes Wang 已提交
4942
	RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4943 4944 4945 4946

	rtl_ephy_init(ioaddr, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
}

4947
static void rtl_hw_start_8105e_2(struct rtl8169_private *tp)
4948
{
4949 4950 4951
	void __iomem *ioaddr = tp->mmio_addr;

	rtl_hw_start_8105e_1(tp);
4952 4953 4954
	rtl_ephy_write(ioaddr, 0x1e, rtl_ephy_read(ioaddr, 0x1e) | 0x8000);
}

4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981 4982 4983 4984
static void rtl_hw_start_8402(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;
	static const struct ephy_info e_info_8402[] = {
		{ 0x19,	0xffff, 0xff64 },
		{ 0x1e,	0, 0x4000 }
	};

	rtl_csi_access_enable_2(tp);

	/* Force LAN exit from ASPM if Rx/Tx are not idle */
	RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);

	RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
	RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);

	rtl_ephy_init(ioaddr, e_info_8402, ARRAY_SIZE(e_info_8402));

	rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);

	rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00000002, ERIAR_EXGMAC);
	rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00000006, ERIAR_EXGMAC);
	rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
	rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
	rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
	rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
	rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00,
		     ERIAR_EXGMAC);
}

4985 4986
static void rtl_hw_start_8101(struct net_device *dev)
{
4987 4988 4989 4990
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;

4991 4992
	if (tp->mac_version >= RTL_GIGA_MAC_VER_30)
		tp->event_slow &= ~RxFIFOOver;
F
françois romieu 已提交
4993

F
Francois Romieu 已提交
4994 4995
	if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_16) {
4996
		int cap = pci_pcie_cap(pdev);
4997 4998 4999 5000 5001

		if (cap) {
			pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
					      PCI_EXP_DEVCTL_NOSNOOP_EN);
		}
5002 5003
	}

5004 5005
	RTL_W8(Cfg9346, Cfg9346_Unlock);

5006 5007
	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_07:
5008
		rtl_hw_start_8102e_1(tp);
5009 5010 5011
		break;

	case RTL_GIGA_MAC_VER_08:
5012
		rtl_hw_start_8102e_3(tp);
5013 5014 5015
		break;

	case RTL_GIGA_MAC_VER_09:
5016
		rtl_hw_start_8102e_2(tp);
5017
		break;
5018 5019

	case RTL_GIGA_MAC_VER_29:
5020
		rtl_hw_start_8105e_1(tp);
5021 5022
		break;
	case RTL_GIGA_MAC_VER_30:
5023
		rtl_hw_start_8105e_2(tp);
5024
		break;
5025 5026 5027 5028

	case RTL_GIGA_MAC_VER_37:
		rtl_hw_start_8402(tp);
		break;
5029 5030
	}

5031
	RTL_W8(Cfg9346, Cfg9346_Lock);
5032

5033
	RTL_W8(MaxTxPacketSize, TxPacketMax);
5034

E
Eric Dumazet 已提交
5035
	rtl_set_rx_max_size(ioaddr, rx_buf_sz);
5036

5037
	tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
5038 5039 5040 5041 5042 5043 5044 5045 5046 5047 5048 5049 5050 5051
	RTL_W16(CPlusCmd, tp->cp_cmd);

	RTL_W16(IntrMitigate, 0x0000);

	rtl_set_rx_tx_desc_registers(tp, ioaddr);

	RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
	rtl_set_rx_tx_config_registers(tp);

	RTL_R8(IntrMask);

	rtl_set_rx_mode(dev);

	RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
L
Linus Torvalds 已提交
5052 5053 5054 5055
}

static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
{
F
Francois Romieu 已提交
5056 5057 5058 5059
	struct rtl8169_private *tp = netdev_priv(dev);

	if (new_mtu < ETH_ZLEN ||
	    new_mtu > rtl_chip_infos[tp->mac_version].jumbo_max)
L
Linus Torvalds 已提交
5060 5061
		return -EINVAL;

F
Francois Romieu 已提交
5062 5063 5064 5065 5066
	if (new_mtu > ETH_DATA_LEN)
		rtl_hw_jumbo_enable(tp);
	else
		rtl_hw_jumbo_disable(tp);

L
Linus Torvalds 已提交
5067
	dev->mtu = new_mtu;
5068 5069
	netdev_update_features(dev);

S
Stanislaw Gruszka 已提交
5070
	return 0;
L
Linus Torvalds 已提交
5071 5072 5073 5074
}

static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
{
A
Al Viro 已提交
5075
	desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
L
Linus Torvalds 已提交
5076 5077 5078
	desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
}

E
Eric Dumazet 已提交
5079 5080
static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
				     void **data_buff, struct RxDesc *desc)
L
Linus Torvalds 已提交
5081
{
5082
	dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
5083
			 DMA_FROM_DEVICE);
5084

E
Eric Dumazet 已提交
5085 5086
	kfree(*data_buff);
	*data_buff = NULL;
L
Linus Torvalds 已提交
5087 5088 5089 5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104
	rtl8169_make_unusable_by_asic(desc);
}

static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
{
	u32 eor = le32_to_cpu(desc->opts1) & RingEnd;

	desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
}

static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
				       u32 rx_buf_sz)
{
	desc->addr = cpu_to_le64(mapping);
	wmb();
	rtl8169_mark_to_asic(desc, rx_buf_sz);
}

E
Eric Dumazet 已提交
5105 5106 5107 5108 5109
static inline void *rtl8169_align(void *data)
{
	return (void *)ALIGN((long)data, 16);
}

S
Stanislaw Gruszka 已提交
5110 5111
static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
					     struct RxDesc *desc)
L
Linus Torvalds 已提交
5112
{
E
Eric Dumazet 已提交
5113
	void *data;
L
Linus Torvalds 已提交
5114
	dma_addr_t mapping;
5115
	struct device *d = &tp->pci_dev->dev;
S
Stanislaw Gruszka 已提交
5116
	struct net_device *dev = tp->dev;
E
Eric Dumazet 已提交
5117
	int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
L
Linus Torvalds 已提交
5118

E
Eric Dumazet 已提交
5119 5120 5121
	data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
	if (!data)
		return NULL;
5122

E
Eric Dumazet 已提交
5123 5124 5125 5126 5127 5128
	if (rtl8169_align(data) != data) {
		kfree(data);
		data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
		if (!data)
			return NULL;
	}
5129

5130
	mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
5131
				 DMA_FROM_DEVICE);
5132 5133 5134
	if (unlikely(dma_mapping_error(d, mapping))) {
		if (net_ratelimit())
			netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
5135
		goto err_out;
5136
	}
L
Linus Torvalds 已提交
5137 5138

	rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
E
Eric Dumazet 已提交
5139
	return data;
5140 5141 5142 5143

err_out:
	kfree(data);
	return NULL;
L
Linus Torvalds 已提交
5144 5145 5146 5147
}

static void rtl8169_rx_clear(struct rtl8169_private *tp)
{
F
Francois Romieu 已提交
5148
	unsigned int i;
L
Linus Torvalds 已提交
5149 5150

	for (i = 0; i < NUM_RX_DESC; i++) {
E
Eric Dumazet 已提交
5151 5152
		if (tp->Rx_databuff[i]) {
			rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
L
Linus Torvalds 已提交
5153 5154 5155 5156 5157
					    tp->RxDescArray + i);
		}
	}
}

S
Stanislaw Gruszka 已提交
5158
static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
L
Linus Torvalds 已提交
5159
{
S
Stanislaw Gruszka 已提交
5160 5161
	desc->opts1 |= cpu_to_le32(RingEnd);
}
5162

S
Stanislaw Gruszka 已提交
5163 5164 5165
static int rtl8169_rx_fill(struct rtl8169_private *tp)
{
	unsigned int i;
L
Linus Torvalds 已提交
5166

S
Stanislaw Gruszka 已提交
5167 5168
	for (i = 0; i < NUM_RX_DESC; i++) {
		void *data;
5169

E
Eric Dumazet 已提交
5170
		if (tp->Rx_databuff[i])
L
Linus Torvalds 已提交
5171
			continue;
5172

S
Stanislaw Gruszka 已提交
5173
		data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
E
Eric Dumazet 已提交
5174 5175
		if (!data) {
			rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
S
Stanislaw Gruszka 已提交
5176
			goto err_out;
E
Eric Dumazet 已提交
5177 5178
		}
		tp->Rx_databuff[i] = data;
L
Linus Torvalds 已提交
5179 5180
	}

S
Stanislaw Gruszka 已提交
5181 5182 5183 5184 5185 5186
	rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
	return 0;

err_out:
	rtl8169_rx_clear(tp);
	return -ENOMEM;
L
Linus Torvalds 已提交
5187 5188 5189 5190 5191 5192 5193 5194 5195
}

static int rtl8169_init_ring(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);

	rtl8169_init_ring_indexes(tp);

	memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
E
Eric Dumazet 已提交
5196
	memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
L
Linus Torvalds 已提交
5197

S
Stanislaw Gruszka 已提交
5198
	return rtl8169_rx_fill(tp);
L
Linus Torvalds 已提交
5199 5200
}

5201
static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
L
Linus Torvalds 已提交
5202 5203 5204 5205
				 struct TxDesc *desc)
{
	unsigned int len = tx_skb->len;

5206 5207
	dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);

L
Linus Torvalds 已提交
5208 5209 5210 5211 5212 5213
	desc->opts1 = 0x00;
	desc->opts2 = 0x00;
	desc->addr = 0x00;
	tx_skb->len = 0;
}

5214 5215
static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
				   unsigned int n)
L
Linus Torvalds 已提交
5216 5217 5218
{
	unsigned int i;

5219 5220
	for (i = 0; i < n; i++) {
		unsigned int entry = (start + i) % NUM_TX_DESC;
L
Linus Torvalds 已提交
5221 5222 5223 5224 5225 5226
		struct ring_info *tx_skb = tp->tx_skb + entry;
		unsigned int len = tx_skb->len;

		if (len) {
			struct sk_buff *skb = tx_skb->skb;

5227
			rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
L
Linus Torvalds 已提交
5228 5229
					     tp->TxDescArray + entry);
			if (skb) {
5230
				tp->dev->stats.tx_dropped++;
L
Linus Torvalds 已提交
5231 5232 5233 5234 5235
				dev_kfree_skb(skb);
				tx_skb->skb = NULL;
			}
		}
	}
5236 5237 5238 5239 5240
}

static void rtl8169_tx_clear(struct rtl8169_private *tp)
{
	rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
L
Linus Torvalds 已提交
5241
	tp->cur_tx = tp->dirty_tx = 0;
5242
	netdev_reset_queue(tp->dev);
L
Linus Torvalds 已提交
5243 5244
}

5245
static void rtl_reset_work(struct rtl8169_private *tp)
L
Linus Torvalds 已提交
5246
{
D
David Howells 已提交
5247
	struct net_device *dev = tp->dev;
5248
	int i;
L
Linus Torvalds 已提交
5249

5250 5251 5252
	napi_disable(&tp->napi);
	netif_stop_queue(dev);
	synchronize_sched();
L
Linus Torvalds 已提交
5253

5254 5255
	rtl8169_hw_reset(tp);

5256 5257 5258
	for (i = 0; i < NUM_RX_DESC; i++)
		rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);

L
Linus Torvalds 已提交
5259
	rtl8169_tx_clear(tp);
5260
	rtl8169_init_ring_indexes(tp);
L
Linus Torvalds 已提交
5261

5262
	napi_enable(&tp->napi);
5263 5264 5265
	rtl_hw_start(dev);
	netif_wake_queue(dev);
	rtl8169_check_link_status(dev, tp, tp->mmio_addr);
L
Linus Torvalds 已提交
5266 5267 5268 5269
}

static void rtl8169_tx_timeout(struct net_device *dev)
{
5270 5271 5272
	struct rtl8169_private *tp = netdev_priv(dev);

	rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
L
Linus Torvalds 已提交
5273 5274 5275
}

static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
F
Francois Romieu 已提交
5276
			      u32 *opts)
L
Linus Torvalds 已提交
5277 5278 5279
{
	struct skb_shared_info *info = skb_shinfo(skb);
	unsigned int cur_frag, entry;
5280
	struct TxDesc * uninitialized_var(txd);
5281
	struct device *d = &tp->pci_dev->dev;
L
Linus Torvalds 已提交
5282 5283 5284

	entry = tp->cur_tx;
	for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
E
Eric Dumazet 已提交
5285
		const skb_frag_t *frag = info->frags + cur_frag;
L
Linus Torvalds 已提交
5286 5287 5288 5289 5290 5291 5292
		dma_addr_t mapping;
		u32 status, len;
		void *addr;

		entry = (entry + 1) % NUM_TX_DESC;

		txd = tp->TxDescArray + entry;
E
Eric Dumazet 已提交
5293
		len = skb_frag_size(frag);
5294
		addr = skb_frag_address(frag);
5295
		mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
5296 5297 5298 5299
		if (unlikely(dma_mapping_error(d, mapping))) {
			if (net_ratelimit())
				netif_err(tp, drv, tp->dev,
					  "Failed to map TX fragments DMA!\n");
5300
			goto err_out;
5301
		}
L
Linus Torvalds 已提交
5302

F
Francois Romieu 已提交
5303
		/* Anti gcc 2.95.3 bugware (sic) */
F
Francois Romieu 已提交
5304 5305
		status = opts[0] | len |
			(RingEnd * !((entry + 1) % NUM_TX_DESC));
L
Linus Torvalds 已提交
5306 5307

		txd->opts1 = cpu_to_le32(status);
F
Francois Romieu 已提交
5308
		txd->opts2 = cpu_to_le32(opts[1]);
L
Linus Torvalds 已提交
5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319
		txd->addr = cpu_to_le64(mapping);

		tp->tx_skb[entry].len = len;
	}

	if (cur_frag) {
		tp->tx_skb[entry].skb = skb;
		txd->opts1 |= cpu_to_le32(LastFrag);
	}

	return cur_frag;
5320 5321 5322 5323

err_out:
	rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
	return -EIO;
L
Linus Torvalds 已提交
5324 5325
}

F
Francois Romieu 已提交
5326 5327
static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
				    struct sk_buff *skb, u32 *opts)
L
Linus Torvalds 已提交
5328
{
F
Francois Romieu 已提交
5329
	const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
5330
	u32 mss = skb_shinfo(skb)->gso_size;
F
Francois Romieu 已提交
5331
	int offset = info->opts_offset;
5332

F
Francois Romieu 已提交
5333 5334 5335 5336
	if (mss) {
		opts[0] |= TD_LSO;
		opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
	} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5337
		const struct iphdr *ip = ip_hdr(skb);
L
Linus Torvalds 已提交
5338 5339

		if (ip->protocol == IPPROTO_TCP)
F
Francois Romieu 已提交
5340
			opts[offset] |= info->checksum.tcp;
L
Linus Torvalds 已提交
5341
		else if (ip->protocol == IPPROTO_UDP)
F
Francois Romieu 已提交
5342 5343 5344
			opts[offset] |= info->checksum.udp;
		else
			WARN_ON_ONCE(1);
L
Linus Torvalds 已提交
5345 5346 5347
	}
}

5348 5349
static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
				      struct net_device *dev)
L
Linus Torvalds 已提交
5350 5351
{
	struct rtl8169_private *tp = netdev_priv(dev);
5352
	unsigned int entry = tp->cur_tx % NUM_TX_DESC;
L
Linus Torvalds 已提交
5353 5354
	struct TxDesc *txd = tp->TxDescArray + entry;
	void __iomem *ioaddr = tp->mmio_addr;
5355
	struct device *d = &tp->pci_dev->dev;
L
Linus Torvalds 已提交
5356 5357
	dma_addr_t mapping;
	u32 status, len;
F
Francois Romieu 已提交
5358
	u32 opts[2];
5359
	int frags;
5360

L
Linus Torvalds 已提交
5361
	if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
5362
		netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
5363
		goto err_stop_0;
L
Linus Torvalds 已提交
5364 5365 5366
	}

	if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
5367 5368 5369
		goto err_stop_0;

	len = skb_headlen(skb);
5370
	mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
5371 5372 5373
	if (unlikely(dma_mapping_error(d, mapping))) {
		if (net_ratelimit())
			netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
5374
		goto err_dma_0;
5375
	}
5376 5377 5378

	tp->tx_skb[entry].len = len;
	txd->addr = cpu_to_le64(mapping);
L
Linus Torvalds 已提交
5379

F
Francois Romieu 已提交
5380 5381
	opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
	opts[0] = DescOwn;
L
Linus Torvalds 已提交
5382

F
Francois Romieu 已提交
5383 5384 5385
	rtl8169_tso_csum(tp, skb, opts);

	frags = rtl8169_xmit_frags(tp, skb, opts);
5386 5387 5388
	if (frags < 0)
		goto err_dma_1;
	else if (frags)
F
Francois Romieu 已提交
5389
		opts[0] |= FirstFrag;
5390
	else {
F
Francois Romieu 已提交
5391
		opts[0] |= FirstFrag | LastFrag;
L
Linus Torvalds 已提交
5392 5393 5394
		tp->tx_skb[entry].skb = skb;
	}

F
Francois Romieu 已提交
5395 5396
	txd->opts2 = cpu_to_le32(opts[1]);

5397 5398
	netdev_sent_queue(dev, skb->len);

5399 5400
	skb_tx_timestamp(skb);

L
Linus Torvalds 已提交
5401 5402
	wmb();

F
Francois Romieu 已提交
5403
	/* Anti gcc 2.95.3 bugware (sic) */
F
Francois Romieu 已提交
5404
	status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
L
Linus Torvalds 已提交
5405 5406 5407 5408
	txd->opts1 = cpu_to_le32(status);

	tp->cur_tx += frags + 1;

5409
	wmb();
L
Linus Torvalds 已提交
5410

F
Francois Romieu 已提交
5411
	RTL_W8(TxPoll, NPQ);
L
Linus Torvalds 已提交
5412

5413 5414
	mmiowb();

L
Linus Torvalds 已提交
5415
	if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
5416 5417 5418 5419
		/* Avoid wrongly optimistic queue wake-up: rtl_tx thread must
		 * not miss a ring update when it notices a stopped queue.
		 */
		smp_wmb();
L
Linus Torvalds 已提交
5420
		netif_stop_queue(dev);
5421 5422 5423 5424 5425 5426 5427
		/* Sync with rtl_tx:
		 * - publish queue status and cur_tx ring index (write barrier)
		 * - refresh dirty_tx ring index (read barrier).
		 * May the current thread have a pessimistic view of the ring
		 * status and forget to wake up queue, a racing rtl_tx thread
		 * can't.
		 */
F
Francois Romieu 已提交
5428
		smp_mb();
L
Linus Torvalds 已提交
5429 5430 5431 5432
		if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
			netif_wake_queue(dev);
	}

5433
	return NETDEV_TX_OK;
L
Linus Torvalds 已提交
5434

5435
err_dma_1:
5436
	rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
5437 5438 5439 5440 5441 5442
err_dma_0:
	dev_kfree_skb(skb);
	dev->stats.tx_dropped++;
	return NETDEV_TX_OK;

err_stop_0:
L
Linus Torvalds 已提交
5443
	netif_stop_queue(dev);
5444
	dev->stats.tx_dropped++;
5445
	return NETDEV_TX_BUSY;
L
Linus Torvalds 已提交
5446 5447 5448 5449 5450 5451 5452 5453 5454 5455 5456
}

static void rtl8169_pcierr_interrupt(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	struct pci_dev *pdev = tp->pci_dev;
	u16 pci_status, pci_cmd;

	pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
	pci_read_config_word(pdev, PCI_STATUS, &pci_status);

5457 5458
	netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
		  pci_cmd, pci_status);
L
Linus Torvalds 已提交
5459 5460 5461 5462

	/*
	 * The recovery sequence below admits a very elaborated explanation:
	 * - it seems to work;
5463 5464
	 * - I did not see what else could be done;
	 * - it makes iop3xx happy.
L
Linus Torvalds 已提交
5465 5466 5467
	 *
	 * Feel free to adjust to your needs.
	 */
5468
	if (pdev->broken_parity_status)
5469 5470 5471 5472 5473
		pci_cmd &= ~PCI_COMMAND_PARITY;
	else
		pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;

	pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
L
Linus Torvalds 已提交
5474 5475 5476 5477 5478 5479 5480 5481

	pci_write_config_word(pdev, PCI_STATUS,
		pci_status & (PCI_STATUS_DETECTED_PARITY |
		PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
		PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));

	/* The infamous DAC f*ckup only happens at boot time */
	if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
F
françois romieu 已提交
5482 5483
		void __iomem *ioaddr = tp->mmio_addr;

5484
		netif_info(tp, intr, dev, "disabling PCI DAC\n");
L
Linus Torvalds 已提交
5485 5486 5487 5488 5489
		tp->cp_cmd &= ~PCIDAC;
		RTL_W16(CPlusCmd, tp->cp_cmd);
		dev->features &= ~NETIF_F_HIGHDMA;
	}

F
françois romieu 已提交
5490
	rtl8169_hw_reset(tp);
5491

5492
	rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
L
Linus Torvalds 已提交
5493 5494
}

5495 5496 5497 5498 5499
struct rtl_txc {
	int packets;
	int bytes;
};

5500
static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp)
L
Linus Torvalds 已提交
5501
{
5502
	struct rtl8169_stats *tx_stats = &tp->tx_stats;
L
Linus Torvalds 已提交
5503
	unsigned int dirty_tx, tx_left;
5504
	struct rtl_txc txc = { 0, 0 };
L
Linus Torvalds 已提交
5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519

	dirty_tx = tp->dirty_tx;
	smp_rmb();
	tx_left = tp->cur_tx - dirty_tx;

	while (tx_left > 0) {
		unsigned int entry = dirty_tx % NUM_TX_DESC;
		struct ring_info *tx_skb = tp->tx_skb + entry;
		u32 status;

		rmb();
		status = le32_to_cpu(tp->TxDescArray[entry].opts1);
		if (status & DescOwn)
			break;

5520 5521
		rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
				     tp->TxDescArray + entry);
L
Linus Torvalds 已提交
5522
		if (status & LastFrag) {
5523 5524 5525 5526 5527
			struct sk_buff *skb = tx_skb->skb;

			txc.packets++;
			txc.bytes += skb->len;
			dev_kfree_skb(skb);
L
Linus Torvalds 已提交
5528 5529 5530 5531 5532 5533
			tx_skb->skb = NULL;
		}
		dirty_tx++;
		tx_left--;
	}

5534 5535 5536 5537 5538 5539 5540
	u64_stats_update_begin(&tx_stats->syncp);
	tx_stats->packets += txc.packets;
	tx_stats->bytes += txc.bytes;
	u64_stats_update_end(&tx_stats->syncp);

	netdev_completed_queue(dev, txc.packets, txc.bytes);

L
Linus Torvalds 已提交
5541 5542
	if (tp->dirty_tx != dirty_tx) {
		tp->dirty_tx = dirty_tx;
5543 5544 5545 5546 5547 5548 5549
		/* Sync with rtl8169_start_xmit:
		 * - publish dirty_tx ring index (write barrier)
		 * - refresh cur_tx ring index and queue status (read barrier)
		 * May the current thread miss the stopped queue condition,
		 * a racing xmit thread can only have a right view of the
		 * ring status.
		 */
F
Francois Romieu 已提交
5550
		smp_mb();
L
Linus Torvalds 已提交
5551 5552 5553 5554
		if (netif_queue_stopped(dev) &&
		    (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
			netif_wake_queue(dev);
		}
5555 5556 5557 5558 5559 5560
		/*
		 * 8168 hack: TxPoll requests are lost when the Tx packets are
		 * too close. Let's kick an extra TxPoll request when a burst
		 * of start_xmit activity is detected (if it is not detected,
		 * it is slow enough). -- FR
		 */
5561 5562 5563
		if (tp->cur_tx != dirty_tx) {
			void __iomem *ioaddr = tp->mmio_addr;

5564
			RTL_W8(TxPoll, NPQ);
5565
		}
L
Linus Torvalds 已提交
5566 5567 5568
	}
}

5569 5570 5571 5572 5573
static inline int rtl8169_fragmented_frame(u32 status)
{
	return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
}

E
Eric Dumazet 已提交
5574
static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
L
Linus Torvalds 已提交
5575 5576 5577 5578
{
	u32 status = opts1 & RxProtoMask;

	if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
S
Shan Wei 已提交
5579
	    ((status == RxProtoUDP) && !(opts1 & UDPFail)))
L
Linus Torvalds 已提交
5580 5581
		skb->ip_summed = CHECKSUM_UNNECESSARY;
	else
5582
		skb_checksum_none_assert(skb);
L
Linus Torvalds 已提交
5583 5584
}

E
Eric Dumazet 已提交
5585 5586 5587 5588
static struct sk_buff *rtl8169_try_rx_copy(void *data,
					   struct rtl8169_private *tp,
					   int pkt_size,
					   dma_addr_t addr)
L
Linus Torvalds 已提交
5589
{
S
Stephen Hemminger 已提交
5590
	struct sk_buff *skb;
5591
	struct device *d = &tp->pci_dev->dev;
S
Stephen Hemminger 已提交
5592

E
Eric Dumazet 已提交
5593
	data = rtl8169_align(data);
5594
	dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
E
Eric Dumazet 已提交
5595 5596 5597 5598
	prefetch(data);
	skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
	if (skb)
		memcpy(skb->data, data, pkt_size);
5599 5600
	dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);

E
Eric Dumazet 已提交
5601
	return skb;
L
Linus Torvalds 已提交
5602 5603
}

5604
static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget)
L
Linus Torvalds 已提交
5605 5606
{
	unsigned int cur_rx, rx_left;
E
Eric Dumazet 已提交
5607
	unsigned int count;
L
Linus Torvalds 已提交
5608 5609 5610

	cur_rx = tp->cur_rx;
	rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
F
Francois Romieu 已提交
5611
	rx_left = min(rx_left, budget);
L
Linus Torvalds 已提交
5612

R
Richard Dawe 已提交
5613
	for (; rx_left > 0; rx_left--, cur_rx++) {
L
Linus Torvalds 已提交
5614
		unsigned int entry = cur_rx % NUM_RX_DESC;
5615
		struct RxDesc *desc = tp->RxDescArray + entry;
L
Linus Torvalds 已提交
5616 5617 5618
		u32 status;

		rmb();
5619
		status = le32_to_cpu(desc->opts1) & tp->opts1_mask;
L
Linus Torvalds 已提交
5620 5621 5622

		if (status & DescOwn)
			break;
R
Richard Dawe 已提交
5623
		if (unlikely(status & RxRES)) {
5624 5625
			netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
				   status);
5626
			dev->stats.rx_errors++;
L
Linus Torvalds 已提交
5627
			if (status & (RxRWT | RxRUNT))
5628
				dev->stats.rx_length_errors++;
L
Linus Torvalds 已提交
5629
			if (status & RxCRC)
5630
				dev->stats.rx_crc_errors++;
5631
			if (status & RxFOVF) {
5632
				rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
5633
				dev->stats.rx_fifo_errors++;
5634
			}
B
Ben Greear 已提交
5635 5636 5637 5638 5639
			if ((status & (RxRUNT | RxCRC)) &&
			    !(status & (RxRWT | RxFOVF)) &&
			    (dev->features & NETIF_F_RXALL))
				goto process_pkt;

E
Eric Dumazet 已提交
5640
			rtl8169_mark_to_asic(desc, rx_buf_sz);
L
Linus Torvalds 已提交
5641
		} else {
E
Eric Dumazet 已提交
5642
			struct sk_buff *skb;
B
Ben Greear 已提交
5643 5644 5645 5646 5647
			dma_addr_t addr;
			int pkt_size;

process_pkt:
			addr = le64_to_cpu(desc->addr);
B
Ben Greear 已提交
5648 5649 5650 5651
			if (likely(!(dev->features & NETIF_F_RXFCS)))
				pkt_size = (status & 0x00003fff) - 4;
			else
				pkt_size = status & 0x00003fff;
L
Linus Torvalds 已提交
5652

5653 5654 5655 5656 5657 5658
			/*
			 * The driver does not support incoming fragmented
			 * frames. They are seen as a symptom of over-mtu
			 * sized frames.
			 */
			if (unlikely(rtl8169_fragmented_frame(status))) {
5659 5660
				dev->stats.rx_dropped++;
				dev->stats.rx_length_errors++;
E
Eric Dumazet 已提交
5661
				rtl8169_mark_to_asic(desc, rx_buf_sz);
R
Richard Dawe 已提交
5662
				continue;
5663 5664
			}

E
Eric Dumazet 已提交
5665 5666 5667 5668 5669 5670
			skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
						  tp, pkt_size, addr);
			rtl8169_mark_to_asic(desc, rx_buf_sz);
			if (!skb) {
				dev->stats.rx_dropped++;
				continue;
L
Linus Torvalds 已提交
5671 5672
			}

E
Eric Dumazet 已提交
5673
			rtl8169_rx_csum(skb, status);
L
Linus Torvalds 已提交
5674 5675 5676
			skb_put(skb, pkt_size);
			skb->protocol = eth_type_trans(skb, dev);

5677 5678
			rtl8169_rx_vlan_tag(desc, skb);

5679
			napi_gro_receive(&tp->napi, skb);
L
Linus Torvalds 已提交
5680

J
Junchang Wang 已提交
5681 5682 5683 5684
			u64_stats_update_begin(&tp->rx_stats.syncp);
			tp->rx_stats.packets++;
			tp->rx_stats.bytes += pkt_size;
			u64_stats_update_end(&tp->rx_stats.syncp);
L
Linus Torvalds 已提交
5685
		}
5686 5687

		/* Work around for AMD plateform. */
A
Al Viro 已提交
5688
		if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
5689 5690 5691 5692
		    (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
			desc->opts2 = 0;
			cur_rx++;
		}
L
Linus Torvalds 已提交
5693 5694 5695 5696 5697
	}

	count = cur_rx - tp->cur_rx;
	tp->cur_rx = cur_rx;

E
Eric Dumazet 已提交
5698
	tp->dirty_rx += count;
L
Linus Torvalds 已提交
5699 5700 5701 5702

	return count;
}

F
Francois Romieu 已提交
5703
static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
L
Linus Torvalds 已提交
5704
{
F
Francois Romieu 已提交
5705
	struct net_device *dev = dev_instance;
L
Linus Torvalds 已提交
5706 5707
	struct rtl8169_private *tp = netdev_priv(dev);
	int handled = 0;
F
Francois Romieu 已提交
5708
	u16 status;
L
Linus Torvalds 已提交
5709

F
Francois Romieu 已提交
5710
	status = rtl_get_events(tp);
5711 5712 5713 5714
	if (status && status != 0xffff) {
		status &= RTL_EVENT_NAPI | tp->event_slow;
		if (status) {
			handled = 1;
L
Linus Torvalds 已提交
5715

5716 5717
			rtl_irq_disable(tp);
			napi_schedule(&tp->napi);
5718
		}
5719 5720 5721
	}
	return IRQ_RETVAL(handled);
}
L
Linus Torvalds 已提交
5722

5723 5724 5725 5726 5727 5728 5729 5730 5731 5732
/*
 * Workqueue context.
 */
static void rtl_slow_event_work(struct rtl8169_private *tp)
{
	struct net_device *dev = tp->dev;
	u16 status;

	status = rtl_get_events(tp) & tp->event_slow;
	rtl_ack_events(tp, status);
L
Linus Torvalds 已提交
5733

5734 5735 5736 5737 5738
	if (unlikely(status & RxFIFOOver)) {
		switch (tp->mac_version) {
		/* Work around for rx fifo overflow */
		case RTL_GIGA_MAC_VER_11:
			netif_stop_queue(dev);
5739 5740
			/* XXX - Hack alert. See rtl_task(). */
			set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags);
5741
		default:
5742 5743
			break;
		}
5744
	}
L
Linus Torvalds 已提交
5745

5746 5747
	if (unlikely(status & SYSErr))
		rtl8169_pcierr_interrupt(dev);
5748

5749 5750
	if (status & LinkChg)
		__rtl8169_check_link_status(dev, tp, tp->mmio_addr, true);
L
Linus Torvalds 已提交
5751

5752 5753 5754 5755 5756
	napi_disable(&tp->napi);
	rtl_irq_disable(tp);

	napi_enable(&tp->napi);
	napi_schedule(&tp->napi);
L
Linus Torvalds 已提交
5757 5758
}

5759 5760
static void rtl_task(struct work_struct *work)
{
5761 5762 5763 5764
	static const struct {
		int bitnr;
		void (*action)(struct rtl8169_private *);
	} rtl_work[] = {
5765
		/* XXX - keep rtl_slow_event_work() as first element. */
5766 5767 5768 5769
		{ RTL_FLAG_TASK_SLOW_PENDING,	rtl_slow_event_work },
		{ RTL_FLAG_TASK_RESET_PENDING,	rtl_reset_work },
		{ RTL_FLAG_TASK_PHY_PENDING,	rtl_phy_work }
	};
5770 5771
	struct rtl8169_private *tp =
		container_of(work, struct rtl8169_private, wk.work);
5772 5773 5774 5775 5776
	struct net_device *dev = tp->dev;
	int i;

	rtl_lock_work(tp);

5777 5778
	if (!netif_running(dev) ||
	    !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags))
5779 5780 5781 5782 5783 5784 5785 5786 5787
		goto out_unlock;

	for (i = 0; i < ARRAY_SIZE(rtl_work); i++) {
		bool pending;

		pending = test_and_clear_bit(rtl_work[i].bitnr, tp->wk.flags);
		if (pending)
			rtl_work[i].action(tp);
	}
5788

5789 5790
out_unlock:
	rtl_unlock_work(tp);
5791 5792
}

5793
static int rtl8169_poll(struct napi_struct *napi, int budget)
L
Linus Torvalds 已提交
5794
{
5795 5796
	struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
	struct net_device *dev = tp->dev;
5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808
	u16 enable_mask = RTL_EVENT_NAPI | tp->event_slow;
	int work_done= 0;
	u16 status;

	status = rtl_get_events(tp);
	rtl_ack_events(tp, status & ~tp->event_slow);

	if (status & RTL_EVENT_NAPI_RX)
		work_done = rtl_rx(dev, tp, (u32) budget);

	if (status & RTL_EVENT_NAPI_TX)
		rtl_tx(dev, tp);
L
Linus Torvalds 已提交
5809

5810 5811 5812 5813 5814
	if (status & tp->event_slow) {
		enable_mask &= ~tp->event_slow;

		rtl_schedule_task(tp, RTL_FLAG_TASK_SLOW_PENDING);
	}
L
Linus Torvalds 已提交
5815

5816
	if (work_done < budget) {
5817
		napi_complete(napi);
5818

5819 5820
		rtl_irq_enable(tp, enable_mask);
		mmiowb();
L
Linus Torvalds 已提交
5821 5822
	}

5823
	return work_done;
L
Linus Torvalds 已提交
5824 5825
}

5826 5827 5828 5829 5830 5831 5832 5833 5834 5835 5836
static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
{
	struct rtl8169_private *tp = netdev_priv(dev);

	if (tp->mac_version > RTL_GIGA_MAC_VER_06)
		return;

	dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
	RTL_W32(RxMissed, 0);
}

L
Linus Torvalds 已提交
5837 5838 5839 5840 5841
static void rtl8169_down(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;

5842
	del_timer_sync(&tp->timer);
L
Linus Torvalds 已提交
5843

5844
	napi_disable(&tp->napi);
5845
	netif_stop_queue(dev);
L
Linus Torvalds 已提交
5846

5847
	rtl8169_hw_reset(tp);
S
Stanislaw Gruszka 已提交
5848 5849
	/*
	 * At this point device interrupts can not be enabled in any function,
5850 5851
	 * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task)
	 * and napi is disabled (rtl8169_poll).
S
Stanislaw Gruszka 已提交
5852
	 */
5853
	rtl8169_rx_missed(dev, ioaddr);
L
Linus Torvalds 已提交
5854 5855

	/* Give a racing hard_start_xmit a few cycles to complete. */
5856
	synchronize_sched();
L
Linus Torvalds 已提交
5857 5858 5859 5860

	rtl8169_tx_clear(tp);

	rtl8169_rx_clear(tp);
F
françois romieu 已提交
5861 5862

	rtl_pll_power_down(tp);
L
Linus Torvalds 已提交
5863 5864 5865 5866 5867 5868 5869
}

static int rtl8169_close(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	struct pci_dev *pdev = tp->pci_dev;

5870 5871
	pm_runtime_get_sync(&pdev->dev);

F
Francois Romieu 已提交
5872
	/* Update counters before going down */
5873 5874
	rtl8169_update_counters(dev);

5875
	rtl_lock_work(tp);
5876
	clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
5877

L
Linus Torvalds 已提交
5878
	rtl8169_down(dev);
5879
	rtl_unlock_work(tp);
L
Linus Torvalds 已提交
5880

5881
	free_irq(pdev->irq, dev);
L
Linus Torvalds 已提交
5882

5883 5884 5885 5886
	dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
			  tp->RxPhyAddr);
	dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
			  tp->TxPhyAddr);
L
Linus Torvalds 已提交
5887 5888 5889
	tp->TxDescArray = NULL;
	tp->RxDescArray = NULL;

5890 5891
	pm_runtime_put_sync(&pdev->dev);

L
Linus Torvalds 已提交
5892 5893 5894
	return 0;
}

5895 5896 5897 5898 5899 5900 5901 5902 5903
#ifdef CONFIG_NET_POLL_CONTROLLER
static void rtl8169_netpoll(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);

	rtl8169_interrupt(tp->pci_dev->irq, dev);
}
#endif

5904 5905 5906 5907 5908 5909 5910 5911 5912 5913 5914 5915 5916 5917 5918 5919 5920 5921 5922 5923 5924 5925 5926 5927 5928 5929 5930 5931 5932 5933 5934 5935 5936
static int rtl_open(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;
	int retval = -ENOMEM;

	pm_runtime_get_sync(&pdev->dev);

	/*
	 * Rx and Tx desscriptors needs 256 bytes alignment.
	 * dma_alloc_coherent provides more.
	 */
	tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
					     &tp->TxPhyAddr, GFP_KERNEL);
	if (!tp->TxDescArray)
		goto err_pm_runtime_put;

	tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
					     &tp->RxPhyAddr, GFP_KERNEL);
	if (!tp->RxDescArray)
		goto err_free_tx_0;

	retval = rtl8169_init_ring(dev);
	if (retval < 0)
		goto err_free_rx_1;

	INIT_WORK(&tp->wk.work, rtl_task);

	smp_mb();

	rtl_request_firmware(tp);

5937
	retval = request_irq(pdev->irq, rtl8169_interrupt,
5938 5939 5940 5941 5942 5943 5944 5945 5946 5947 5948 5949 5950 5951 5952 5953 5954 5955 5956 5957 5958 5959 5960 5961 5962 5963 5964 5965 5966 5967 5968 5969 5970 5971 5972 5973 5974 5975 5976 5977 5978 5979 5980 5981 5982 5983
			     (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
			     dev->name, dev);
	if (retval < 0)
		goto err_release_fw_2;

	rtl_lock_work(tp);

	set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);

	napi_enable(&tp->napi);

	rtl8169_init_phy(dev, tp);

	__rtl8169_set_features(dev, dev->features);

	rtl_pll_power_up(tp);

	rtl_hw_start(dev);

	netif_start_queue(dev);

	rtl_unlock_work(tp);

	tp->saved_wolopts = 0;
	pm_runtime_put_noidle(&pdev->dev);

	rtl8169_check_link_status(dev, tp, ioaddr);
out:
	return retval;

err_release_fw_2:
	rtl_release_firmware(tp);
	rtl8169_rx_clear(tp);
err_free_rx_1:
	dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
			  tp->RxPhyAddr);
	tp->RxDescArray = NULL;
err_free_tx_0:
	dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
			  tp->TxPhyAddr);
	tp->TxDescArray = NULL;
err_pm_runtime_put:
	pm_runtime_put_noidle(&pdev->dev);
	goto out;
}

J
Junchang Wang 已提交
5984 5985
static struct rtnl_link_stats64 *
rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
L
Linus Torvalds 已提交
5986 5987 5988
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
J
Junchang Wang 已提交
5989
	unsigned int start;
L
Linus Torvalds 已提交
5990

5991
	if (netif_running(dev))
5992
		rtl8169_rx_missed(dev, ioaddr);
5993

J
Junchang Wang 已提交
5994 5995 5996 5997 5998 5999 6000 6001 6002 6003 6004 6005 6006 6007 6008 6009 6010 6011 6012 6013 6014 6015
	do {
		start = u64_stats_fetch_begin_bh(&tp->rx_stats.syncp);
		stats->rx_packets = tp->rx_stats.packets;
		stats->rx_bytes	= tp->rx_stats.bytes;
	} while (u64_stats_fetch_retry_bh(&tp->rx_stats.syncp, start));


	do {
		start = u64_stats_fetch_begin_bh(&tp->tx_stats.syncp);
		stats->tx_packets = tp->tx_stats.packets;
		stats->tx_bytes	= tp->tx_stats.bytes;
	} while (u64_stats_fetch_retry_bh(&tp->tx_stats.syncp, start));

	stats->rx_dropped	= dev->stats.rx_dropped;
	stats->tx_dropped	= dev->stats.tx_dropped;
	stats->rx_length_errors = dev->stats.rx_length_errors;
	stats->rx_errors	= dev->stats.rx_errors;
	stats->rx_crc_errors	= dev->stats.rx_crc_errors;
	stats->rx_fifo_errors	= dev->stats.rx_fifo_errors;
	stats->rx_missed_errors = dev->stats.rx_missed_errors;

	return stats;
L
Linus Torvalds 已提交
6016 6017
}

6018
static void rtl8169_net_suspend(struct net_device *dev)
6019
{
F
françois romieu 已提交
6020 6021
	struct rtl8169_private *tp = netdev_priv(dev);

6022
	if (!netif_running(dev))
6023
		return;
6024 6025 6026

	netif_device_detach(dev);
	netif_stop_queue(dev);
6027 6028 6029

	rtl_lock_work(tp);
	napi_disable(&tp->napi);
6030
	clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6031 6032 6033
	rtl_unlock_work(tp);

	rtl_pll_power_down(tp);
6034 6035 6036 6037 6038 6039 6040 6041
}

#ifdef CONFIG_PM

static int rtl8169_suspend(struct device *device)
{
	struct pci_dev *pdev = to_pci_dev(device);
	struct net_device *dev = pci_get_drvdata(pdev);
6042

6043
	rtl8169_net_suspend(dev);
6044

6045 6046 6047
	return 0;
}

6048 6049
static void __rtl8169_resume(struct net_device *dev)
{
F
françois romieu 已提交
6050 6051
	struct rtl8169_private *tp = netdev_priv(dev);

6052
	netif_device_attach(dev);
F
françois romieu 已提交
6053 6054 6055

	rtl_pll_power_up(tp);

A
Artem Savkov 已提交
6056 6057
	rtl_lock_work(tp);
	napi_enable(&tp->napi);
6058
	set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
A
Artem Savkov 已提交
6059
	rtl_unlock_work(tp);
6060

6061
	rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
6062 6063
}

6064
static int rtl8169_resume(struct device *device)
6065
{
6066
	struct pci_dev *pdev = to_pci_dev(device);
6067
	struct net_device *dev = pci_get_drvdata(pdev);
S
Stanislaw Gruszka 已提交
6068 6069 6070
	struct rtl8169_private *tp = netdev_priv(dev);

	rtl8169_init_phy(dev, tp);
6071

6072 6073
	if (netif_running(dev))
		__rtl8169_resume(dev);
6074

6075 6076 6077 6078 6079 6080 6081 6082 6083 6084 6085 6086
	return 0;
}

static int rtl8169_runtime_suspend(struct device *device)
{
	struct pci_dev *pdev = to_pci_dev(device);
	struct net_device *dev = pci_get_drvdata(pdev);
	struct rtl8169_private *tp = netdev_priv(dev);

	if (!tp->TxDescArray)
		return 0;

6087
	rtl_lock_work(tp);
6088 6089
	tp->saved_wolopts = __rtl8169_get_wol(tp);
	__rtl8169_set_wol(tp, WAKE_ANY);
6090
	rtl_unlock_work(tp);
6091 6092 6093 6094 6095 6096 6097 6098 6099 6100 6101 6102 6103 6104 6105

	rtl8169_net_suspend(dev);

	return 0;
}

static int rtl8169_runtime_resume(struct device *device)
{
	struct pci_dev *pdev = to_pci_dev(device);
	struct net_device *dev = pci_get_drvdata(pdev);
	struct rtl8169_private *tp = netdev_priv(dev);

	if (!tp->TxDescArray)
		return 0;

6106
	rtl_lock_work(tp);
6107 6108
	__rtl8169_set_wol(tp, tp->saved_wolopts);
	tp->saved_wolopts = 0;
6109
	rtl_unlock_work(tp);
6110

S
Stanislaw Gruszka 已提交
6111 6112
	rtl8169_init_phy(dev, tp);

6113
	__rtl8169_resume(dev);
6114 6115 6116 6117

	return 0;
}

6118 6119 6120 6121 6122 6123
static int rtl8169_runtime_idle(struct device *device)
{
	struct pci_dev *pdev = to_pci_dev(device);
	struct net_device *dev = pci_get_drvdata(pdev);
	struct rtl8169_private *tp = netdev_priv(dev);

6124
	return tp->TxDescArray ? -EBUSY : 0;
6125 6126
}

6127
static const struct dev_pm_ops rtl8169_pm_ops = {
F
Francois Romieu 已提交
6128 6129 6130 6131 6132 6133 6134 6135 6136
	.suspend		= rtl8169_suspend,
	.resume			= rtl8169_resume,
	.freeze			= rtl8169_suspend,
	.thaw			= rtl8169_resume,
	.poweroff		= rtl8169_suspend,
	.restore		= rtl8169_resume,
	.runtime_suspend	= rtl8169_runtime_suspend,
	.runtime_resume		= rtl8169_runtime_resume,
	.runtime_idle		= rtl8169_runtime_idle,
6137 6138 6139 6140 6141 6142 6143 6144 6145 6146
};

#define RTL8169_PM_OPS	(&rtl8169_pm_ops)

#else /* !CONFIG_PM */

#define RTL8169_PM_OPS	NULL

#endif /* !CONFIG_PM */

6147 6148 6149 6150 6151 6152 6153 6154 6155 6156 6157 6158 6159 6160 6161 6162 6163 6164 6165 6166
static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

	/* WoL fails with 8168b when the receiver is disabled. */
	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_11:
	case RTL_GIGA_MAC_VER_12:
	case RTL_GIGA_MAC_VER_17:
		pci_clear_master(tp->pci_dev);

		RTL_W8(ChipCmd, CmdRxEnb);
		/* PCI commit */
		RTL_R8(ChipCmd);
		break;
	default:
		break;
	}
}

F
Francois Romieu 已提交
6167 6168
static void rtl_shutdown(struct pci_dev *pdev)
{
6169
	struct net_device *dev = pci_get_drvdata(pdev);
6170
	struct rtl8169_private *tp = netdev_priv(dev);
6171 6172 6173
	struct device *d = &pdev->dev;

	pm_runtime_get_sync(d);
6174 6175

	rtl8169_net_suspend(dev);
F
Francois Romieu 已提交
6176

F
Francois Romieu 已提交
6177
	/* Restore original MAC address */
6178 6179
	rtl_rar_set(tp, dev->perm_addr);

6180
	rtl8169_hw_reset(tp);
6181

6182
	if (system_state == SYSTEM_POWER_OFF) {
6183 6184 6185
		if (__rtl8169_get_wol(tp) & WAKE_ANY) {
			rtl_wol_suspend_quirk(tp);
			rtl_wol_shutdown_quirk(tp);
6186 6187
		}

6188 6189 6190
		pci_wake_from_d3(pdev, true);
		pci_set_power_state(pdev, PCI_D3hot);
	}
6191 6192

	pm_runtime_put_noidle(d);
6193
}
6194

6195 6196 6197 6198 6199 6200 6201 6202 6203 6204 6205 6206 6207 6208 6209 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 6221 6222
static void __devexit rtl_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct rtl8169_private *tp = netdev_priv(dev);

	if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_28 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_31) {
		rtl8168_driver_stop(tp);
	}

	cancel_work_sync(&tp->wk.work);

	unregister_netdev(dev);

	rtl_release_firmware(tp);

	if (pci_dev_run_wake(pdev))
		pm_runtime_get_noresume(&pdev->dev);

	/* restore original MAC address */
	rtl_rar_set(tp, dev->perm_addr);

	rtl_disable_msi(pdev, tp);
	rtl8169_release_board(pdev, dev, tp->mmio_addr);
	pci_set_drvdata(pdev, NULL);
}

6223
static const struct net_device_ops rtl_netdev_ops = {
6224
	.ndo_open		= rtl_open,
6225 6226 6227 6228 6229 6230 6231 6232 6233 6234 6235 6236 6237 6238 6239 6240 6241
	.ndo_stop		= rtl8169_close,
	.ndo_get_stats64	= rtl8169_get_stats64,
	.ndo_start_xmit		= rtl8169_start_xmit,
	.ndo_tx_timeout		= rtl8169_tx_timeout,
	.ndo_validate_addr	= eth_validate_addr,
	.ndo_change_mtu		= rtl8169_change_mtu,
	.ndo_fix_features	= rtl8169_fix_features,
	.ndo_set_features	= rtl8169_set_features,
	.ndo_set_mac_address	= rtl_set_mac_address,
	.ndo_do_ioctl		= rtl8169_ioctl,
	.ndo_set_rx_mode	= rtl_set_rx_mode,
#ifdef CONFIG_NET_POLL_CONTROLLER
	.ndo_poll_controller	= rtl8169_netpoll,
#endif

};

6242 6243 6244 6245 6246 6247 6248 6249 6250 6251 6252 6253 6254 6255 6256 6257 6258 6259 6260 6261 6262 6263 6264 6265 6266 6267 6268 6269 6270 6271 6272 6273 6274 6275 6276 6277 6278 6279 6280 6281 6282 6283 6284 6285 6286 6287 6288 6289 6290 6291 6292 6293 6294 6295 6296 6297 6298
static const struct rtl_cfg_info {
	void (*hw_start)(struct net_device *);
	unsigned int region;
	unsigned int align;
	u16 event_slow;
	unsigned features;
	u8 default_ver;
} rtl_cfg_infos [] = {
	[RTL_CFG_0] = {
		.hw_start	= rtl_hw_start_8169,
		.region		= 1,
		.align		= 0,
		.event_slow	= SYSErr | LinkChg | RxOverflow | RxFIFOOver,
		.features	= RTL_FEATURE_GMII,
		.default_ver	= RTL_GIGA_MAC_VER_01,
	},
	[RTL_CFG_1] = {
		.hw_start	= rtl_hw_start_8168,
		.region		= 2,
		.align		= 8,
		.event_slow	= SYSErr | LinkChg | RxOverflow,
		.features	= RTL_FEATURE_GMII | RTL_FEATURE_MSI,
		.default_ver	= RTL_GIGA_MAC_VER_11,
	},
	[RTL_CFG_2] = {
		.hw_start	= rtl_hw_start_8101,
		.region		= 2,
		.align		= 8,
		.event_slow	= SYSErr | LinkChg | RxOverflow | RxFIFOOver |
				  PCSTimeout,
		.features	= RTL_FEATURE_MSI,
		.default_ver	= RTL_GIGA_MAC_VER_13,
	}
};

/* Cfg9346_Unlock assumed. */
static unsigned rtl_try_msi(struct rtl8169_private *tp,
			    const struct rtl_cfg_info *cfg)
{
	void __iomem *ioaddr = tp->mmio_addr;
	unsigned msi = 0;
	u8 cfg2;

	cfg2 = RTL_R8(Config2) & ~MSIEnable;
	if (cfg->features & RTL_FEATURE_MSI) {
		if (pci_enable_msi(tp->pci_dev)) {
			netif_info(tp, hw, tp->dev, "no MSI. Back to INTx.\n");
		} else {
			cfg2 |= MSIEnable;
			msi = RTL_FEATURE_MSI;
		}
	}
	if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
		RTL_W8(Config2, cfg2);
	return msi;
}

6299 6300 6301 6302 6303 6304 6305 6306 6307 6308 6309 6310 6311 6312 6313 6314 6315 6316 6317 6318 6319 6320 6321 6322
static int __devinit
rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
	const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
	const unsigned int region = cfg->region;
	struct rtl8169_private *tp;
	struct mii_if_info *mii;
	struct net_device *dev;
	void __iomem *ioaddr;
	int chipset, i;
	int rc;

	if (netif_msg_drv(&debug)) {
		printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
		       MODULENAME, RTL8169_VERSION);
	}

	dev = alloc_etherdev(sizeof (*tp));
	if (!dev) {
		rc = -ENOMEM;
		goto out;
	}

	SET_NETDEV_DEV(dev, &pdev->dev);
6323
	dev->netdev_ops = &rtl_netdev_ops;
6324 6325 6326 6327 6328 6329 6330 6331 6332 6333 6334 6335 6336 6337 6338 6339 6340 6341 6342 6343 6344 6345 6346 6347 6348 6349 6350 6351 6352 6353 6354 6355 6356 6357 6358 6359 6360 6361 6362 6363 6364 6365 6366 6367 6368 6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379 6380 6381 6382 6383 6384 6385 6386 6387 6388 6389 6390 6391 6392 6393 6394 6395 6396 6397 6398 6399 6400 6401 6402 6403 6404 6405 6406 6407 6408 6409 6410 6411 6412 6413 6414 6415 6416 6417 6418 6419 6420 6421 6422 6423
	tp = netdev_priv(dev);
	tp->dev = dev;
	tp->pci_dev = pdev;
	tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);

	mii = &tp->mii;
	mii->dev = dev;
	mii->mdio_read = rtl_mdio_read;
	mii->mdio_write = rtl_mdio_write;
	mii->phy_id_mask = 0x1f;
	mii->reg_num_mask = 0x1f;
	mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);

	/* disable ASPM completely as that cause random device stop working
	 * problems as well as full system hangs for some PCIe devices users */
	pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
				     PCIE_LINK_STATE_CLKPM);

	/* enable device (incl. PCI PM wakeup and hotplug setup) */
	rc = pci_enable_device(pdev);
	if (rc < 0) {
		netif_err(tp, probe, dev, "enable failure\n");
		goto err_out_free_dev_1;
	}

	if (pci_set_mwi(pdev) < 0)
		netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");

	/* make sure PCI base addr 1 is MMIO */
	if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
		netif_err(tp, probe, dev,
			  "region #%d not an MMIO resource, aborting\n",
			  region);
		rc = -ENODEV;
		goto err_out_mwi_2;
	}

	/* check for weird/broken PCI region reporting */
	if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
		netif_err(tp, probe, dev,
			  "Invalid PCI region size(s), aborting\n");
		rc = -ENODEV;
		goto err_out_mwi_2;
	}

	rc = pci_request_regions(pdev, MODULENAME);
	if (rc < 0) {
		netif_err(tp, probe, dev, "could not request regions\n");
		goto err_out_mwi_2;
	}

	tp->cp_cmd = RxChkSum;

	if ((sizeof(dma_addr_t) > 4) &&
	    !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
		tp->cp_cmd |= PCIDAC;
		dev->features |= NETIF_F_HIGHDMA;
	} else {
		rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
		if (rc < 0) {
			netif_err(tp, probe, dev, "DMA configuration failed\n");
			goto err_out_free_res_3;
		}
	}

	/* ioremap MMIO region */
	ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
	if (!ioaddr) {
		netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
		rc = -EIO;
		goto err_out_free_res_3;
	}
	tp->mmio_addr = ioaddr;

	if (!pci_is_pcie(pdev))
		netif_info(tp, probe, dev, "not PCI Express\n");

	/* Identify chip attached to board */
	rtl8169_get_mac_version(tp, dev, cfg->default_ver);

	rtl_init_rxcfg(tp);

	rtl_irq_disable(tp);

	rtl_hw_reset(tp);

	rtl_ack_events(tp, 0xffff);

	pci_set_master(pdev);

	/*
	 * Pretend we are using VLANs; This bypasses a nasty bug where
	 * Interrupts stop flowing on high load on 8110SCd controllers.
	 */
	if (tp->mac_version == RTL_GIGA_MAC_VER_05)
		tp->cp_cmd |= RxVlan;

	rtl_init_mdio_ops(tp);
	rtl_init_pll_power_ops(tp);
	rtl_init_jumbo_ops(tp);
6424
	rtl_init_csi_ops(tp);
6425 6426 6427 6428 6429 6430 6431 6432 6433 6434 6435 6436 6437 6438 6439 6440 6441 6442 6443 6444 6445 6446 6447 6448 6449 6450 6451 6452 6453 6454 6455 6456 6457 6458 6459 6460 6461 6462 6463 6464 6465 6466 6467 6468 6469 6470 6471 6472 6473 6474 6475 6476 6477 6478 6479 6480 6481 6482 6483 6484 6485 6486 6487 6488 6489 6490 6491 6492 6493 6494 6495 6496 6497 6498 6499 6500 6501 6502 6503

	rtl8169_print_mac_version(tp);

	chipset = tp->mac_version;
	tp->txd_version = rtl_chip_infos[chipset].txd_version;

	RTL_W8(Cfg9346, Cfg9346_Unlock);
	RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
	RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
	if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
		tp->features |= RTL_FEATURE_WOL;
	if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
		tp->features |= RTL_FEATURE_WOL;
	tp->features |= rtl_try_msi(tp, cfg);
	RTL_W8(Cfg9346, Cfg9346_Lock);

	if (rtl_tbi_enabled(tp)) {
		tp->set_speed = rtl8169_set_speed_tbi;
		tp->get_settings = rtl8169_gset_tbi;
		tp->phy_reset_enable = rtl8169_tbi_reset_enable;
		tp->phy_reset_pending = rtl8169_tbi_reset_pending;
		tp->link_ok = rtl8169_tbi_link_ok;
		tp->do_ioctl = rtl_tbi_ioctl;
	} else {
		tp->set_speed = rtl8169_set_speed_xmii;
		tp->get_settings = rtl8169_gset_xmii;
		tp->phy_reset_enable = rtl8169_xmii_reset_enable;
		tp->phy_reset_pending = rtl8169_xmii_reset_pending;
		tp->link_ok = rtl8169_xmii_link_ok;
		tp->do_ioctl = rtl_xmii_ioctl;
	}

	mutex_init(&tp->wk.mutex);

	/* Get MAC address */
	for (i = 0; i < ETH_ALEN; i++)
		dev->dev_addr[i] = RTL_R8(MAC0 + i);
	memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);

	SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
	dev->watchdog_timeo = RTL8169_TX_TIMEOUT;

	netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);

	/* don't enable SG, IP_CSUM and TSO by default - it might not work
	 * properly for all devices */
	dev->features |= NETIF_F_RXCSUM |
		NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;

	dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
		NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
	dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
		NETIF_F_HIGHDMA;

	if (tp->mac_version == RTL_GIGA_MAC_VER_05)
		/* 8110SCd requires hardware Rx VLAN - disallow toggling */
		dev->hw_features &= ~NETIF_F_HW_VLAN_RX;

	dev->hw_features |= NETIF_F_RXALL;
	dev->hw_features |= NETIF_F_RXFCS;

	tp->hw_start = cfg->hw_start;
	tp->event_slow = cfg->event_slow;

	tp->opts1_mask = (tp->mac_version != RTL_GIGA_MAC_VER_01) ?
		~(RxBOVF | RxFOVF) : ~0;

	init_timer(&tp->timer);
	tp->timer.data = (unsigned long) dev;
	tp->timer.function = rtl8169_phy_timer;

	tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;

	rc = register_netdev(dev);
	if (rc < 0)
		goto err_out_msi_4;

	pci_set_drvdata(pdev, dev);

6504 6505 6506
	netif_info(tp, probe, dev, "%s at 0x%p, %pM, XID %08x IRQ %d\n",
		   rtl_chip_infos[chipset].name, ioaddr, dev->dev_addr,
		   (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), pdev->irq);
6507 6508 6509 6510 6511 6512 6513 6514 6515 6516 6517 6518 6519 6520 6521 6522 6523 6524 6525 6526 6527 6528 6529 6530 6531 6532 6533 6534 6535 6536 6537 6538 6539 6540 6541 6542
	if (rtl_chip_infos[chipset].jumbo_max != JUMBO_1K) {
		netif_info(tp, probe, dev, "jumbo features [frames: %d bytes, "
			   "tx checksumming: %s]\n",
			   rtl_chip_infos[chipset].jumbo_max,
			   rtl_chip_infos[chipset].jumbo_tx_csum ? "ok" : "ko");
	}

	if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_28 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_31) {
		rtl8168_driver_start(tp);
	}

	device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);

	if (pci_dev_run_wake(pdev))
		pm_runtime_put_noidle(&pdev->dev);

	netif_carrier_off(dev);

out:
	return rc;

err_out_msi_4:
	rtl_disable_msi(pdev, tp);
	iounmap(ioaddr);
err_out_free_res_3:
	pci_release_regions(pdev);
err_out_mwi_2:
	pci_clear_mwi(pdev);
	pci_disable_device(pdev);
err_out_free_dev_1:
	free_netdev(dev);
	goto out;
}

L
Linus Torvalds 已提交
6543 6544 6545
static struct pci_driver rtl8169_pci_driver = {
	.name		= MODULENAME,
	.id_table	= rtl8169_pci_tbl,
6546
	.probe		= rtl_init_one,
6547
	.remove		= __devexit_p(rtl_remove_one),
F
Francois Romieu 已提交
6548
	.shutdown	= rtl_shutdown,
6549
	.driver.pm	= RTL8169_PM_OPS,
L
Linus Torvalds 已提交
6550 6551
};

F
Francois Romieu 已提交
6552
static int __init rtl8169_init_module(void)
L
Linus Torvalds 已提交
6553
{
6554
	return pci_register_driver(&rtl8169_pci_driver);
L
Linus Torvalds 已提交
6555 6556
}

F
Francois Romieu 已提交
6557
static void __exit rtl8169_cleanup_module(void)
L
Linus Torvalds 已提交
6558 6559 6560 6561 6562 6563
{
	pci_unregister_driver(&rtl8169_pci_driver);
}

module_init(rtl8169_init_module);
module_exit(rtl8169_cleanup_module);