init.c 42.2 KB
Newer Older
K
Kalle Valo 已提交
1 2 3

/*
 * Copyright (c) 2011 Atheros Communications Inc.
4
 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
K
Kalle Valo 已提交
5 6 7 8 9 10 11 12 13 14 15 16 17 18
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

19 20
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

21
#include <linux/moduleparam.h>
22
#include <linux/errno.h>
23
#include <linux/export.h>
24
#include <linux/of.h>
K
Kalle Valo 已提交
25
#include <linux/mmc/sdio_func.h>
26
#include <linux/vmalloc.h>
27

K
Kalle Valo 已提交
28 29 30 31 32
#include "core.h"
#include "cfg80211.h"
#include "target.h"
#include "debug.h"
#include "hif-ops.h"
K
Kalle Valo 已提交
33
#include "htc-ops.h"
K
Kalle Valo 已提交
34

35 36
static const struct ath6kl_hw hw_list[] = {
	{
37
		.id				= AR6003_HW_2_0_VERSION,
38
		.name				= "ar6003 hw 2.0",
39 40 41 42
		.dataset_patch_addr		= 0x57e884,
		.app_load_addr			= 0x543180,
		.board_ext_data_addr		= 0x57e500,
		.reserved_ram_size		= 6912,
43 44
		.refclk_hz			= 26000000,
		.uarttx_pin			= 8,
45
		.flags				= ATH6KL_HW_SDIO_CRC_ERROR_WAR,
46 47 48

		/* hw2.0 needs override address hardcoded */
		.app_start_override_addr	= 0x944C00,
49

50 51 52 53 54 55 56 57
		.fw = {
			.dir		= AR6003_HW_2_0_FW_DIR,
			.otp		= AR6003_HW_2_0_OTP_FILE,
			.fw		= AR6003_HW_2_0_FIRMWARE_FILE,
			.tcmd		= AR6003_HW_2_0_TCMD_FIRMWARE_FILE,
			.patch		= AR6003_HW_2_0_PATCH_FILE,
		},

58 59
		.fw_board		= AR6003_HW_2_0_BOARD_DATA_FILE,
		.fw_default_board	= AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE,
60 61
	},
	{
62
		.id				= AR6003_HW_2_1_1_VERSION,
63
		.name				= "ar6003 hw 2.1.1",
64 65 66 67
		.dataset_patch_addr		= 0x57ff74,
		.app_load_addr			= 0x1234,
		.board_ext_data_addr		= 0x542330,
		.reserved_ram_size		= 512,
68 69
		.refclk_hz			= 26000000,
		.uarttx_pin			= 8,
70
		.testscript_addr		= 0x57ef74,
71
		.flags				= ATH6KL_HW_SDIO_CRC_ERROR_WAR,
72

73 74 75 76 77 78
		.fw = {
			.dir		= AR6003_HW_2_1_1_FW_DIR,
			.otp		= AR6003_HW_2_1_1_OTP_FILE,
			.fw		= AR6003_HW_2_1_1_FIRMWARE_FILE,
			.tcmd		= AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE,
			.patch		= AR6003_HW_2_1_1_PATCH_FILE,
79 80
			.utf		= AR6003_HW_2_1_1_UTF_FIRMWARE_FILE,
			.testscript	= AR6003_HW_2_1_1_TESTSCRIPT_FILE,
81 82
		},

83
		.fw_board		= AR6003_HW_2_1_1_BOARD_DATA_FILE,
K
Kalle Valo 已提交
84
		.fw_default_board = AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE,
85 86
	},
	{
87
		.id				= AR6004_HW_1_0_VERSION,
88
		.name				= "ar6004 hw 1.0",
89 90 91 92
		.dataset_patch_addr		= 0x57e884,
		.app_load_addr			= 0x1234,
		.board_ext_data_addr		= 0x437000,
		.reserved_ram_size		= 19456,
93
		.board_addr			= 0x433900,
94 95
		.refclk_hz			= 26000000,
		.uarttx_pin			= 11,
96 97
		.flags				= ATH6KL_HW_64BIT_RATES |
						  ATH6KL_HW_AP_INACTIVITY_MINS,
98

99 100 101 102 103
		.fw = {
			.dir		= AR6004_HW_1_0_FW_DIR,
			.fw		= AR6004_HW_1_0_FIRMWARE_FILE,
		},

104 105
		.fw_board		= AR6004_HW_1_0_BOARD_DATA_FILE,
		.fw_default_board	= AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE,
106 107
	},
	{
108
		.id				= AR6004_HW_1_1_VERSION,
109
		.name				= "ar6004 hw 1.1",
110 111 112 113
		.dataset_patch_addr		= 0x57e884,
		.app_load_addr			= 0x1234,
		.board_ext_data_addr		= 0x437000,
		.reserved_ram_size		= 11264,
114
		.board_addr			= 0x43d400,
115 116
		.refclk_hz			= 40000000,
		.uarttx_pin			= 11,
117 118
		.flags				= ATH6KL_HW_64BIT_RATES |
						  ATH6KL_HW_AP_INACTIVITY_MINS,
119 120 121 122 123
		.fw = {
			.dir		= AR6004_HW_1_1_FW_DIR,
			.fw		= AR6004_HW_1_1_FIRMWARE_FILE,
		},

124 125
		.fw_board		= AR6004_HW_1_1_BOARD_DATA_FILE,
		.fw_default_board	= AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE,
126
	},
127 128 129 130 131 132 133 134 135 136
	{
		.id				= AR6004_HW_1_2_VERSION,
		.name				= "ar6004 hw 1.2",
		.dataset_patch_addr		= 0x436ecc,
		.app_load_addr			= 0x1234,
		.board_ext_data_addr		= 0x437000,
		.reserved_ram_size		= 9216,
		.board_addr			= 0x435c00,
		.refclk_hz			= 40000000,
		.uarttx_pin			= 11,
137 138
		.flags				= ATH6KL_HW_64BIT_RATES |
						  ATH6KL_HW_AP_INACTIVITY_MINS,
139 140 141 142 143 144 145 146

		.fw = {
			.dir		= AR6004_HW_1_2_FW_DIR,
			.fw		= AR6004_HW_1_2_FIRMWARE_FILE,
		},
		.fw_board		= AR6004_HW_1_2_BOARD_DATA_FILE,
		.fw_default_board	= AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE,
	},
147 148 149 150 151 152 153 154 155 156
	{
		.id				= AR6004_HW_1_3_VERSION,
		.name				= "ar6004 hw 1.3",
		.dataset_patch_addr		= 0x437860,
		.app_load_addr			= 0x1234,
		.board_ext_data_addr		= 0x437000,
		.reserved_ram_size		= 7168,
		.board_addr			= 0x436400,
		.refclk_hz                      = 40000000,
		.uarttx_pin                     = 11,
157
		.flags				= ATH6KL_HW_64BIT_RATES |
158 159
						  ATH6KL_HW_AP_INACTIVITY_MINS |
						  ATH6KL_HW_MAP_LP_ENDPOINT,
160 161 162 163 164 165 166 167 168

		.fw = {
			.dir            = AR6004_HW_1_3_FW_DIR,
			.fw             = AR6004_HW_1_3_FIRMWARE_FILE,
		},

		.fw_board               = AR6004_HW_1_3_BOARD_DATA_FILE,
		.fw_default_board       = AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE,
	},
169 170
};

K
Kalle Valo 已提交
171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204
/*
 * Include definitions here that can be used to tune the WLAN module
 * behavior. Different customers can tune the behavior as per their needs,
 * here.
 */

/*
 * This configuration item enable/disable keepalive support.
 * Keepalive support: In the absence of any data traffic to AP, null
 * frames will be sent to the AP at periodic interval, to keep the association
 * active. This configuration item defines the periodic interval.
 * Use value of zero to disable keepalive support
 * Default: 60 seconds
 */
#define WLAN_CONFIG_KEEP_ALIVE_INTERVAL 60

/*
 * This configuration item sets the value of disconnect timeout
 * Firmware delays sending the disconnec event to the host for this
 * timeout after is gets disconnected from the current AP.
 * If the firmware successly roams within the disconnect timeout
 * it sends a new connect event
 */
#define WLAN_CONFIG_DISCONNECT_TIMEOUT 10


#define ATH6KL_DATA_OFFSET    64
struct sk_buff *ath6kl_buf_alloc(int size)
{
	struct sk_buff *skb;
	u16 reserved;

	/* Add chacheline space at front and back of buffer */
	reserved = (2 * L1_CACHE_BYTES) + ATH6KL_DATA_OFFSET +
205
		   sizeof(struct htc_packet) + ATH6KL_HTC_ALIGN_BYTES;
K
Kalle Valo 已提交
206 207 208 209 210 211 212
	skb = dev_alloc_skb(size + reserved);

	if (skb)
		skb_reserve(skb, reserved - L1_CACHE_BYTES);
	return skb;
}

213
void ath6kl_init_profile_info(struct ath6kl_vif *vif)
K
Kalle Valo 已提交
214
{
215 216 217 218 219 220 221 222 223
	vif->ssid_len = 0;
	memset(vif->ssid, 0, sizeof(vif->ssid));

	vif->dot11_auth_mode = OPEN_AUTH;
	vif->auth_mode = NONE_AUTH;
	vif->prwise_crypto = NONE_CRYPT;
	vif->prwise_crypto_len = 0;
	vif->grp_crypto = NONE_CRYPT;
	vif->grp_crypto_len = 0;
224
	memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list));
225 226
	memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
	memset(vif->bssid, 0, sizeof(vif->bssid));
227
	vif->bss_ch = 0;
K
Kalle Valo 已提交
228 229 230 231 232 233 234 235 236 237
}

static int ath6kl_set_host_app_area(struct ath6kl *ar)
{
	u32 address, data;
	struct host_app_area host_app_area;

	/* Fetch the address of the host_app_area_s
	 * instance in the host interest area */
	address = ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_app_host_interest));
238
	address = TARG_VTOP(ar->target_type, address);
K
Kalle Valo 已提交
239

240
	if (ath6kl_diag_read32(ar, address, &data))
K
Kalle Valo 已提交
241 242
		return -EIO;

243
	address = TARG_VTOP(ar->target_type, data);
244
	host_app_area.wmi_protocol_ver = cpu_to_le32(WMI_PROTOCOL_VERSION);
245 246
	if (ath6kl_diag_write(ar, address, (u8 *) &host_app_area,
			      sizeof(struct host_app_area)))
K
Kalle Valo 已提交
247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269
		return -EIO;

	return 0;
}

static inline void set_ac2_ep_map(struct ath6kl *ar,
				  u8 ac,
				  enum htc_endpoint_id ep)
{
	ar->ac2ep_map[ac] = ep;
	ar->ep2ac_map[ep] = ac;
}

/* connect to a service */
static int ath6kl_connectservice(struct ath6kl *ar,
				 struct htc_service_connect_req  *con_req,
				 char *desc)
{
	int status;
	struct htc_service_connect_resp response;

	memset(&response, 0, sizeof(response));

270
	status = ath6kl_htc_conn_service(ar->htc_target, con_req, &response);
K
Kalle Valo 已提交
271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309
	if (status) {
		ath6kl_err("failed to connect to %s service status:%d\n",
			   desc, status);
		return status;
	}

	switch (con_req->svc_id) {
	case WMI_CONTROL_SVC:
		if (test_bit(WMI_ENABLED, &ar->flag))
			ath6kl_wmi_set_control_ep(ar->wmi, response.endpoint);
		ar->ctrl_ep = response.endpoint;
		break;
	case WMI_DATA_BE_SVC:
		set_ac2_ep_map(ar, WMM_AC_BE, response.endpoint);
		break;
	case WMI_DATA_BK_SVC:
		set_ac2_ep_map(ar, WMM_AC_BK, response.endpoint);
		break;
	case WMI_DATA_VI_SVC:
		set_ac2_ep_map(ar, WMM_AC_VI, response.endpoint);
		break;
	case WMI_DATA_VO_SVC:
		set_ac2_ep_map(ar, WMM_AC_VO, response.endpoint);
		break;
	default:
		ath6kl_err("service id is not mapped %d\n", con_req->svc_id);
		return -EINVAL;
	}

	return 0;
}

static int ath6kl_init_service_ep(struct ath6kl *ar)
{
	struct htc_service_connect_req connect;

	memset(&connect, 0, sizeof(connect));

	/* these fields are the same for all service endpoints */
310
	connect.ep_cb.tx_comp_multi = ath6kl_tx_complete;
K
Kalle Valo 已提交
311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363
	connect.ep_cb.rx = ath6kl_rx;
	connect.ep_cb.rx_refill = ath6kl_rx_refill;
	connect.ep_cb.tx_full = ath6kl_tx_queue_full;

	/*
	 * Set the max queue depth so that our ath6kl_tx_queue_full handler
	 * gets called.
	*/
	connect.max_txq_depth = MAX_DEFAULT_SEND_QUEUE_DEPTH;
	connect.ep_cb.rx_refill_thresh = ATH6KL_MAX_RX_BUFFERS / 4;
	if (!connect.ep_cb.rx_refill_thresh)
		connect.ep_cb.rx_refill_thresh++;

	/* connect to control service */
	connect.svc_id = WMI_CONTROL_SVC;
	if (ath6kl_connectservice(ar, &connect, "WMI CONTROL"))
		return -EIO;

	connect.flags |= HTC_FLGS_TX_BNDL_PAD_EN;

	/*
	 * Limit the HTC message size on the send path, although e can
	 * receive A-MSDU frames of 4K, we will only send ethernet-sized
	 * (802.3) frames on the send path.
	 */
	connect.max_rxmsg_sz = WMI_MAX_TX_DATA_FRAME_LENGTH;

	/*
	 * To reduce the amount of committed memory for larger A_MSDU
	 * frames, use the recv-alloc threshold mechanism for larger
	 * packets.
	 */
	connect.ep_cb.rx_alloc_thresh = ATH6KL_BUFFER_SIZE;
	connect.ep_cb.rx_allocthresh = ath6kl_alloc_amsdu_rxbuf;

	/*
	 * For the remaining data services set the connection flag to
	 * reduce dribbling, if configured to do so.
	 */
	connect.conn_flags |= HTC_CONN_FLGS_REDUCE_CRED_DRIB;
	connect.conn_flags &= ~HTC_CONN_FLGS_THRESH_MASK;
	connect.conn_flags |= HTC_CONN_FLGS_THRESH_LVL_HALF;

	connect.svc_id = WMI_DATA_BE_SVC;

	if (ath6kl_connectservice(ar, &connect, "WMI DATA BE"))
		return -EIO;

	/* connect to back-ground map this to WMI LOW_PRI */
	connect.svc_id = WMI_DATA_BK_SVC;
	if (ath6kl_connectservice(ar, &connect, "WMI DATA BK"))
		return -EIO;

364
	/* connect to Video service, map this to HI PRI */
K
Kalle Valo 已提交
365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382
	connect.svc_id = WMI_DATA_VI_SVC;
	if (ath6kl_connectservice(ar, &connect, "WMI DATA VI"))
		return -EIO;

	/*
	 * Connect to VO service, this is currently not mapped to a WMI
	 * priority stream due to historical reasons. WMI originally
	 * defined 3 priorities over 3 mailboxes We can change this when
	 * WMI is reworked so that priorities are not dependent on
	 * mailboxes.
	 */
	connect.svc_id = WMI_DATA_VO_SVC;
	if (ath6kl_connectservice(ar, &connect, "WMI DATA VO"))
		return -EIO;

	return 0;
}

383
void ath6kl_init_control_info(struct ath6kl_vif *vif)
K
Kalle Valo 已提交
384
{
385
	ath6kl_init_profile_info(vif);
386
	vif->def_txkey_index = 0;
387
	memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list));
388
	vif->ch_hint = 0;
K
Kalle Valo 已提交
389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406
}

/*
 * Set HTC/Mbox operational parameters, this can only be called when the
 * target is in the BMI phase.
 */
static int ath6kl_set_htc_params(struct ath6kl *ar, u32 mbox_isr_yield_val,
				 u8 htc_ctrl_buf)
{
	int status;
	u32 blk_size;

	blk_size = ar->mbox_info.block_size;

	if (htc_ctrl_buf)
		blk_size |=  ((u32)htc_ctrl_buf) << 16;

	/* set the host interest area for the block size */
407
	status = ath6kl_bmi_write_hi32(ar, hi_mbox_io_block_sz, blk_size);
K
Kalle Valo 已提交
408 409 410 411 412 413 414 415 416 417 418
	if (status) {
		ath6kl_err("bmi_write_memory for IO block size failed\n");
		goto out;
	}

	ath6kl_dbg(ATH6KL_DBG_TRC, "block size set: %d (target addr:0x%X)\n",
		   blk_size,
		   ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_mbox_io_block_sz)));

	if (mbox_isr_yield_val) {
		/* set the host interest area for the mbox ISR yield limit */
419 420
		status = ath6kl_bmi_write_hi32(ar, hi_mbox_isr_yield_limit,
					       mbox_isr_yield_val);
K
Kalle Valo 已提交
421 422 423 424 425 426 427 428 429 430
		if (status) {
			ath6kl_err("bmi_write_memory for yield limit failed\n");
			goto out;
		}
	}

out:
	return status;
}

431
static int ath6kl_target_config_wlan_params(struct ath6kl *ar, int idx)
K
Kalle Valo 已提交
432
{
433
	int ret;
K
Kalle Valo 已提交
434 435 436 437 438 439

	/*
	 * Configure the device for rx dot11 header rules. "0,0" are the
	 * default values. Required if checksum offload is needed. Set
	 * RxMetaVersion to 2.
	 */
440 441 442 443 444
	ret = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, idx,
						 ar->rx_meta_ver, 0, 0);
	if (ret) {
		ath6kl_err("unable to set the rx frame format: %d\n", ret);
		return ret;
K
Kalle Valo 已提交
445 446
	}

447 448
	if (ar->conf_flags & ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN) {
		ret = ath6kl_wmi_pmparams_cmd(ar->wmi, idx, 0, 1, 0, 0, 1,
K
Kalle Valo 已提交
449
					      IGNORE_PS_FAIL_DURING_SCAN);
450 451 452 453
		if (ret) {
			ath6kl_err("unable to set power save fail event policy: %d\n",
				   ret);
			return ret;
K
Kalle Valo 已提交
454
		}
455
	}
K
Kalle Valo 已提交
456

457 458
	if (!(ar->conf_flags & ATH6KL_CONF_IGNORE_ERP_BARKER)) {
		ret = ath6kl_wmi_set_lpreamble_cmd(ar->wmi, idx, 0,
K
Kalle Valo 已提交
459
						   WMI_FOLLOW_BARKER_IN_ERP);
460 461 462 463
		if (ret) {
			ath6kl_err("unable to set barker preamble policy: %d\n",
				   ret);
			return ret;
K
Kalle Valo 已提交
464
		}
465
	}
K
Kalle Valo 已提交
466

467 468 469 470 471
	ret = ath6kl_wmi_set_keepalive_cmd(ar->wmi, idx,
					   WLAN_CONFIG_KEEP_ALIVE_INTERVAL);
	if (ret) {
		ath6kl_err("unable to set keep alive interval: %d\n", ret);
		return ret;
K
Kalle Valo 已提交
472 473
	}

474 475 476 477 478
	ret = ath6kl_wmi_disctimeout_cmd(ar->wmi, idx,
					 WLAN_CONFIG_DISCONNECT_TIMEOUT);
	if (ret) {
		ath6kl_err("unable to set disconnect timeout: %d\n", ret);
		return ret;
K
Kalle Valo 已提交
479 480
	}

481 482 483 484 485
	if (!(ar->conf_flags & ATH6KL_CONF_ENABLE_TX_BURST)) {
		ret = ath6kl_wmi_set_wmm_txop(ar->wmi, idx, WMI_TXOP_DISABLED);
		if (ret) {
			ath6kl_err("unable to set txop bursting: %d\n", ret);
			return ret;
K
Kalle Valo 已提交
486
		}
487
	}
K
Kalle Valo 已提交
488

489
	if (ar->p2p && (ar->vif_max == 1 || idx)) {
490
		ret = ath6kl_wmi_info_req_cmd(ar->wmi, idx,
491 492 493 494
					      P2P_FLAG_CAPABILITIES_REQ |
					      P2P_FLAG_MACADDR_REQ |
					      P2P_FLAG_HMODEL_REQ);
		if (ret) {
495 496 497
			ath6kl_dbg(ATH6KL_DBG_TRC,
				   "failed to request P2P capabilities (%d) - assuming P2P not supported\n",
				   ret);
498
			ar->p2p = false;
499 500 501
		}
	}

502
	if (ar->p2p && (ar->vif_max == 1 || idx)) {
503
		/* Enable Probe Request reporting for P2P */
504
		ret = ath6kl_wmi_probe_report_req_cmd(ar->wmi, idx, true);
505
		if (ret) {
506 507 508
			ath6kl_dbg(ATH6KL_DBG_TRC,
				   "failed to enable Probe Request reporting (%d)\n",
				   ret);
509
		}
510 511
	}

512
	return ret;
K
Kalle Valo 已提交
513 514 515 516 517
}

int ath6kl_configure_target(struct ath6kl *ar)
{
	u32 param, ram_reserved_size;
518
	u8 fw_iftype, fw_mode = 0, fw_submode = 0;
519
	int i, status;
K
Kalle Valo 已提交
520

521
	param = !!(ar->conf_flags & ATH6KL_CONF_UART_DEBUG);
522
	if (ath6kl_bmi_write_hi32(ar, hi_serial_enable, param)) {
523 524 525 526
		ath6kl_err("bmi_write_memory for uart debug failed\n");
		return -EIO;
	}

527 528 529 530 531 532 533 534
	/*
	 * Note: Even though the firmware interface type is
	 * chosen as BSS_STA for all three interfaces, can
	 * be configured to IBSS/AP as long as the fw submode
	 * remains normal mode (0 - AP, STA and IBSS). But
	 * due to an target assert in firmware only one interface is
	 * configured for now.
	 */
535
	fw_iftype = HI_OPTION_FW_MODE_BSS_STA;
K
Kalle Valo 已提交
536

537
	for (i = 0; i < ar->vif_max; i++)
538 539 540
		fw_mode |= fw_iftype << (i * HI_OPTION_FW_MODE_BITS);

	/*
541 542
	 * Submodes when fw does not support dynamic interface
	 * switching:
543 544 545
	 *		vif[0] - AP/STA/IBSS
	 *		vif[1] - "P2P dev"/"P2P GO"/"P2P Client"
	 *		vif[2] - "P2P dev"/"P2P GO"/"P2P Client"
546
	 * Otherwise, All the interface are initialized to p2p dev.
547
	 */
548

549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565
	if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
		     ar->fw_capabilities)) {
		for (i = 0; i < ar->vif_max; i++)
			fw_submode |= HI_OPTION_FW_SUBMODE_P2PDEV <<
				(i * HI_OPTION_FW_SUBMODE_BITS);
	} else {
		for (i = 0; i < ar->max_norm_iface; i++)
			fw_submode |= HI_OPTION_FW_SUBMODE_NONE <<
				(i * HI_OPTION_FW_SUBMODE_BITS);

		for (i = ar->max_norm_iface; i < ar->vif_max; i++)
			fw_submode |= HI_OPTION_FW_SUBMODE_P2PDEV <<
				(i * HI_OPTION_FW_SUBMODE_BITS);

		if (ar->p2p && ar->vif_max == 1)
			fw_submode = HI_OPTION_FW_SUBMODE_P2PDEV;
	}
566

567 568
	if (ath6kl_bmi_write_hi32(ar, hi_app_host_interest,
				  HTC_PROTOCOL_VERSION) != 0) {
K
Kalle Valo 已提交
569 570 571 572 573 574 575
		ath6kl_err("bmi_write_memory for htc version failed\n");
		return -EIO;
	}

	/* set the firmware mode to STA/IBSS/AP */
	param = 0;

576
	if (ath6kl_bmi_read_hi32(ar, hi_option_flag, &param) != 0) {
K
Kalle Valo 已提交
577 578 579 580
		ath6kl_err("bmi_read_memory for setting fwmode failed\n");
		return -EIO;
	}

581
	param |= (ar->vif_max << HI_OPTION_NUM_DEV_SHIFT);
582 583 584
	param |= fw_mode << HI_OPTION_FW_MODE_SHIFT;
	param |= fw_submode << HI_OPTION_FW_SUBMODE_SHIFT;

K
Kalle Valo 已提交
585 586 587
	param |= (0 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
	param |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);

588
	if (ath6kl_bmi_write_hi32(ar, hi_option_flag, param) != 0) {
K
Kalle Valo 已提交
589 590 591 592 593 594 595 596 597 598 599 600 601 602 603
		ath6kl_err("bmi_write_memory for setting fwmode failed\n");
		return -EIO;
	}

	ath6kl_dbg(ATH6KL_DBG_TRC, "firmware mode set\n");

	/*
	 * Hardcode the address use for the extended board data
	 * Ideally this should be pre-allocate by the OS at boot time
	 * But since it is a new feature and board data is loaded
	 * at init time, we have to workaround this from host.
	 * It is difficult to patch the firmware boot code,
	 * but possible in theory.
	 */

604 605 606
	if (ar->target_type == TARGET_TYPE_AR6003) {
		param = ar->hw.board_ext_data_addr;
		ram_reserved_size = ar->hw.reserved_ram_size;
K
Kalle Valo 已提交
607

608 609 610 611
		if (ath6kl_bmi_write_hi32(ar, hi_board_ext_data, param) != 0) {
			ath6kl_err("bmi_write_memory for hi_board_ext_data failed\n");
			return -EIO;
		}
612

613 614 615 616 617
		if (ath6kl_bmi_write_hi32(ar, hi_end_ram_reserve_sz,
					  ram_reserved_size) != 0) {
			ath6kl_err("bmi_write_memory for hi_end_ram_reserve_sz failed\n");
			return -EIO;
		}
K
Kalle Valo 已提交
618 619 620 621 622 623 624
	}

	/* set the block size for the target */
	if (ath6kl_set_htc_params(ar, MBOX_YIELD_LIMIT, 0))
		/* use default number of control buffers */
		return -EIO;

625
	/* Configure GPIO AR600x UART */
626 627
	status = ath6kl_bmi_write_hi32(ar, hi_dbg_uart_txpin,
				       ar->hw.uarttx_pin);
628 629 630 631
	if (status)
		return status;

	/* Configure target refclk_hz */
632
	status = ath6kl_bmi_write_hi32(ar, hi_refclk_hz, ar->hw.refclk_hz);
633 634 635
	if (status)
		return status;

K
Kalle Valo 已提交
636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660
	return 0;
}

/* firmware upload */
static int ath6kl_get_fw(struct ath6kl *ar, const char *filename,
			 u8 **fw, size_t *fw_len)
{
	const struct firmware *fw_entry;
	int ret;

	ret = request_firmware(&fw_entry, filename, ar->dev);
	if (ret)
		return ret;

	*fw_len = fw_entry->size;
	*fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL);

	if (*fw == NULL)
		ret = -ENOMEM;

	release_firmware(fw_entry);

	return ret;
}

661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683
#ifdef CONFIG_OF
/*
 * Check the device tree for a board-id and use it to construct
 * the pathname to the firmware file.  Used (for now) to find a
 * fallback to the "bdata.bin" file--typically a symlink to the
 * appropriate board-specific file.
 */
static bool check_device_tree(struct ath6kl *ar)
{
	static const char *board_id_prop = "atheros,board-id";
	struct device_node *node;
	char board_filename[64];
	const char *board_id;
	int ret;

	for_each_compatible_node(node, NULL, "atheros,ath6kl") {
		board_id = of_get_property(node, board_id_prop, NULL);
		if (board_id == NULL) {
			ath6kl_warn("No \"%s\" property on %s node.\n",
				    board_id_prop, node->name);
			continue;
		}
		snprintf(board_filename, sizeof(board_filename),
684
			 "%s/bdata.%s.bin", ar->hw.fw.dir, board_id);
685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703

		ret = ath6kl_get_fw(ar, board_filename, &ar->fw_board,
				    &ar->fw_board_len);
		if (ret) {
			ath6kl_err("Failed to get DT board file %s: %d\n",
				   board_filename, ret);
			continue;
		}
		return true;
	}
	return false;
}
#else
static bool check_device_tree(struct ath6kl *ar)
{
	return false;
}
#endif /* CONFIG_OF */

K
Kalle Valo 已提交
704 705 706 707 708
static int ath6kl_fetch_board_file(struct ath6kl *ar)
{
	const char *filename;
	int ret;

709 710 711
	if (ar->fw_board != NULL)
		return 0;

712 713 714 715
	if (WARN_ON(ar->hw.fw_board == NULL))
		return -EINVAL;

	filename = ar->hw.fw_board;
K
Kalle Valo 已提交
716 717 718 719 720 721 722 723

	ret = ath6kl_get_fw(ar, filename, &ar->fw_board,
			    &ar->fw_board_len);
	if (ret == 0) {
		/* managed to get proper board file */
		return 0;
	}

724 725 726 727 728
	if (check_device_tree(ar)) {
		/* got board file from device tree */
		return 0;
	}

K
Kalle Valo 已提交
729 730 731 732
	/* there was no proper board file, try to use default instead */
	ath6kl_warn("Failed to get board file %s (%d), trying to find default board file.\n",
		    filename, ret);

733
	filename = ar->hw.fw_default_board;
K
Kalle Valo 已提交
734 735 736 737 738 739 740 741 742 743 744 745 746 747 748

	ret = ath6kl_get_fw(ar, filename, &ar->fw_board,
			    &ar->fw_board_len);
	if (ret) {
		ath6kl_err("Failed to get default board file %s: %d\n",
			   filename, ret);
		return ret;
	}

	ath6kl_warn("WARNING! No proper board file was not found, instead using a default board file.\n");
	ath6kl_warn("Most likely your hardware won't work as specified. Install correct board file!\n");

	return 0;
}

749 750
static int ath6kl_fetch_otp_file(struct ath6kl *ar)
{
751
	char filename[100];
752 753 754 755 756
	int ret;

	if (ar->fw_otp != NULL)
		return 0;

757
	if (ar->hw.fw.otp == NULL) {
758 759
		ath6kl_dbg(ATH6KL_DBG_BOOT,
			   "no OTP file configured for this hw\n");
760 761 762
		return 0;
	}

763 764
	snprintf(filename, sizeof(filename), "%s/%s",
		 ar->hw.fw.dir, ar->hw.fw.otp);
765

766 767 768 769 770 771 772 773 774 775 776
	ret = ath6kl_get_fw(ar, filename, &ar->fw_otp,
			    &ar->fw_otp_len);
	if (ret) {
		ath6kl_err("Failed to get OTP file %s: %d\n",
			   filename, ret);
		return ret;
	}

	return 0;
}

777
static int ath6kl_fetch_testmode_file(struct ath6kl *ar)
778
{
779
	char filename[100];
780 781
	int ret;

782
	if (ar->testmode == 0)
783 784
		return 0;

785
	ath6kl_dbg(ATH6KL_DBG_BOOT, "testmode %d\n", ar->testmode);
786

787 788 789 790 791
	if (ar->testmode == 2) {
		if (ar->hw.fw.utf == NULL) {
			ath6kl_warn("testmode 2 not supported\n");
			return -EOPNOTSUPP;
		}
792

793 794 795 796 797 798
		snprintf(filename, sizeof(filename), "%s/%s",
			 ar->hw.fw.dir, ar->hw.fw.utf);
	} else {
		if (ar->hw.fw.tcmd == NULL) {
			ath6kl_warn("testmode 1 not supported\n");
			return -EOPNOTSUPP;
799
		}
800

801 802
		snprintf(filename, sizeof(filename), "%s/%s",
			 ar->hw.fw.dir, ar->hw.fw.tcmd);
803 804
	}

805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824
	set_bit(TESTMODE, &ar->flag);

	ret = ath6kl_get_fw(ar, filename, &ar->fw, &ar->fw_len);
	if (ret) {
		ath6kl_err("Failed to get testmode %d firmware file %s: %d\n",
			   ar->testmode, filename, ret);
		return ret;
	}

	return 0;
}

static int ath6kl_fetch_fw_file(struct ath6kl *ar)
{
	char filename[100];
	int ret;

	if (ar->fw != NULL)
		return 0;

825 826
	/* FIXME: remove WARN_ON() as we won't support FW API 1 for long */
	if (WARN_ON(ar->hw.fw.fw == NULL))
827 828
		return -EINVAL;

829 830
	snprintf(filename, sizeof(filename), "%s/%s",
		 ar->hw.fw.dir, ar->hw.fw.fw);
831 832 833 834 835 836 837 838 839 840 841 842 843

	ret = ath6kl_get_fw(ar, filename, &ar->fw, &ar->fw_len);
	if (ret) {
		ath6kl_err("Failed to get firmware file %s: %d\n",
			   filename, ret);
		return ret;
	}

	return 0;
}

static int ath6kl_fetch_patch_file(struct ath6kl *ar)
{
844
	char filename[100];
845 846
	int ret;

847
	if (ar->fw_patch != NULL)
848 849
		return 0;

850
	if (ar->hw.fw.patch == NULL)
851 852
		return 0;

853 854
	snprintf(filename, sizeof(filename), "%s/%s",
		 ar->hw.fw.dir, ar->hw.fw.patch);
855 856 857 858 859 860 861

	ret = ath6kl_get_fw(ar, filename, &ar->fw_patch,
			    &ar->fw_patch_len);
	if (ret) {
		ath6kl_err("Failed to get patch file %s: %d\n",
			   filename, ret);
		return ret;
862 863 864 865 866
	}

	return 0;
}

867 868 869 870 871
static int ath6kl_fetch_testscript_file(struct ath6kl *ar)
{
	char filename[100];
	int ret;

872
	if (ar->testmode != 2)
873 874 875 876 877 878 879 880 881
		return 0;

	if (ar->fw_testscript != NULL)
		return 0;

	if (ar->hw.fw.testscript == NULL)
		return 0;

	snprintf(filename, sizeof(filename), "%s/%s",
882
		 ar->hw.fw.dir, ar->hw.fw.testscript);
883 884 885 886 887

	ret = ath6kl_get_fw(ar, filename, &ar->fw_testscript,
				&ar->fw_testscript_len);
	if (ret) {
		ath6kl_err("Failed to get testscript file %s: %d\n",
888
			   filename, ret);
889 890 891 892 893 894
		return ret;
	}

	return 0;
}

895
static int ath6kl_fetch_fw_api1(struct ath6kl *ar)
896 897 898 899 900 901 902 903 904 905 906 907 908 909 910
{
	int ret;

	ret = ath6kl_fetch_otp_file(ar);
	if (ret)
		return ret;

	ret = ath6kl_fetch_fw_file(ar);
	if (ret)
		return ret;

	ret = ath6kl_fetch_patch_file(ar);
	if (ret)
		return ret;

911 912 913 914
	ret = ath6kl_fetch_testscript_file(ar);
	if (ret)
		return ret;

915 916
	return 0;
}
K
Kalle Valo 已提交
917

918
static int ath6kl_fetch_fw_apin(struct ath6kl *ar, const char *name)
919 920 921 922
{
	size_t magic_len, len, ie_len;
	const struct firmware *fw;
	struct ath6kl_fw_ie *hdr;
923
	char filename[100];
924
	const u8 *data;
925
	int ret, ie_id, i, index, bit;
926
	__le32 *val;
927

928
	snprintf(filename, sizeof(filename), "%s/%s", ar->hw.fw.dir, name);
929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969

	ret = request_firmware(&fw, filename, ar->dev);
	if (ret)
		return ret;

	data = fw->data;
	len = fw->size;

	/* magic also includes the null byte, check that as well */
	magic_len = strlen(ATH6KL_FIRMWARE_MAGIC) + 1;

	if (len < magic_len) {
		ret = -EINVAL;
		goto out;
	}

	if (memcmp(data, ATH6KL_FIRMWARE_MAGIC, magic_len) != 0) {
		ret = -EINVAL;
		goto out;
	}

	len -= magic_len;
	data += magic_len;

	/* loop elements */
	while (len > sizeof(struct ath6kl_fw_ie)) {
		/* hdr is unaligned! */
		hdr = (struct ath6kl_fw_ie *) data;

		ie_id = le32_to_cpup(&hdr->id);
		ie_len = le32_to_cpup(&hdr->len);

		len -= sizeof(*hdr);
		data += sizeof(*hdr);

		if (len < ie_len) {
			ret = -EINVAL;
			goto out;
		}

		switch (ie_id) {
970 971 972 973 974 975 976 977
		case ATH6KL_FW_IE_FW_VERSION:
			strlcpy(ar->wiphy->fw_version, data,
				sizeof(ar->wiphy->fw_version));

			ath6kl_dbg(ATH6KL_DBG_BOOT,
				   "found fw version %s\n",
				    ar->wiphy->fw_version);
			break;
978
		case ATH6KL_FW_IE_OTP_IMAGE:
979
			ath6kl_dbg(ATH6KL_DBG_BOOT, "found otp image ie (%zd B)\n",
980
				   ie_len);
981

982 983 984 985 986 987 988 989 990 991
			ar->fw_otp = kmemdup(data, ie_len, GFP_KERNEL);

			if (ar->fw_otp == NULL) {
				ret = -ENOMEM;
				goto out;
			}

			ar->fw_otp_len = ie_len;
			break;
		case ATH6KL_FW_IE_FW_IMAGE:
992
			ath6kl_dbg(ATH6KL_DBG_BOOT, "found fw image ie (%zd B)\n",
993
				   ie_len);
994

995 996 997 998
			/* in testmode we already might have a fw file */
			if (ar->fw != NULL)
				break;

999
			ar->fw = vmalloc(ie_len);
1000 1001 1002 1003 1004 1005

			if (ar->fw == NULL) {
				ret = -ENOMEM;
				goto out;
			}

1006
			memcpy(ar->fw, data, ie_len);
1007 1008 1009
			ar->fw_len = ie_len;
			break;
		case ATH6KL_FW_IE_PATCH_IMAGE:
1010
			ath6kl_dbg(ATH6KL_DBG_BOOT, "found patch image ie (%zd B)\n",
1011
				   ie_len);
1012

1013 1014 1015 1016 1017 1018 1019 1020 1021
			ar->fw_patch = kmemdup(data, ie_len, GFP_KERNEL);

			if (ar->fw_patch == NULL) {
				ret = -ENOMEM;
				goto out;
			}

			ar->fw_patch_len = ie_len;
			break;
1022 1023 1024
		case ATH6KL_FW_IE_RESERVED_RAM_SIZE:
			val = (__le32 *) data;
			ar->hw.reserved_ram_size = le32_to_cpup(val);
1025 1026 1027 1028

			ath6kl_dbg(ATH6KL_DBG_BOOT,
				   "found reserved ram size ie 0x%d\n",
				   ar->hw.reserved_ram_size);
1029
			break;
1030
		case ATH6KL_FW_IE_CAPABILITIES:
1031
			ath6kl_dbg(ATH6KL_DBG_BOOT,
1032
				   "found firmware capabilities ie (%zd B)\n",
1033 1034
				   ie_len);

1035
			for (i = 0; i < ATH6KL_FW_CAPABILITY_MAX; i++) {
1036
				index = i / 8;
1037 1038
				bit = i % 8;

1039 1040 1041
				if (index == ie_len)
					break;

1042 1043 1044
				if (data[index] & (1 << bit))
					__set_bit(i, ar->fw_capabilities);
			}
1045 1046 1047 1048

			ath6kl_dbg_dump(ATH6KL_DBG_BOOT, "capabilities", "",
					ar->fw_capabilities,
					sizeof(ar->fw_capabilities));
1049
			break;
1050 1051 1052 1053 1054 1055
		case ATH6KL_FW_IE_PATCH_ADDR:
			if (ie_len != sizeof(*val))
				break;

			val = (__le32 *) data;
			ar->hw.dataset_patch_addr = le32_to_cpup(val);
1056 1057

			ath6kl_dbg(ATH6KL_DBG_BOOT,
1058
				   "found patch address ie 0x%x\n",
1059
				   ar->hw.dataset_patch_addr);
1060
			break;
1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071
		case ATH6KL_FW_IE_BOARD_ADDR:
			if (ie_len != sizeof(*val))
				break;

			val = (__le32 *) data;
			ar->hw.board_addr = le32_to_cpup(val);

			ath6kl_dbg(ATH6KL_DBG_BOOT,
				   "found board address ie 0x%x\n",
				   ar->hw.board_addr);
			break;
1072 1073 1074 1075 1076 1077 1078 1079
		case ATH6KL_FW_IE_VIF_MAX:
			if (ie_len != sizeof(*val))
				break;

			val = (__le32 *) data;
			ar->vif_max = min_t(unsigned int, le32_to_cpup(val),
					    ATH6KL_VIF_MAX);

1080 1081 1082
			if (ar->vif_max > 1 && !ar->p2p)
				ar->max_norm_iface = 2;

1083 1084 1085
			ath6kl_dbg(ATH6KL_DBG_BOOT,
				   "found vif max ie %d\n", ar->vif_max);
			break;
1086
		default:
1087
			ath6kl_dbg(ATH6KL_DBG_BOOT, "Unknown fw ie: %u\n",
1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102
				   le32_to_cpup(&hdr->id));
			break;
		}

		len -= ie_len;
		data += ie_len;
	};

	ret = 0;
out:
	release_firmware(fw);

	return ret;
}

K
Kalle Valo 已提交
1103
int ath6kl_init_fetch_firmwares(struct ath6kl *ar)
1104 1105 1106 1107 1108 1109 1110
{
	int ret;

	ret = ath6kl_fetch_board_file(ar);
	if (ret)
		return ret;

1111 1112 1113 1114
	ret = ath6kl_fetch_testmode_file(ar);
	if (ret)
		return ret;

1115 1116 1117 1118 1119 1120
	ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API4_FILE);
	if (ret == 0) {
		ar->fw_api = 4;
		goto out;
	}

1121
	ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API3_FILE);
1122
	if (ret == 0) {
1123 1124 1125 1126 1127 1128 1129 1130
		ar->fw_api = 3;
		goto out;
	}

	ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API2_FILE);
	if (ret == 0) {
		ar->fw_api = 2;
		goto out;
1131
	}
1132 1133 1134 1135 1136

	ret = ath6kl_fetch_fw_api1(ar);
	if (ret)
		return ret;

1137 1138 1139 1140
	ar->fw_api = 1;

out:
	ath6kl_dbg(ATH6KL_DBG_BOOT, "using fw api %d\n", ar->fw_api);
1141

1142 1143 1144
	return 0;
}

K
Kalle Valo 已提交
1145 1146 1147
static int ath6kl_upload_board_file(struct ath6kl *ar)
{
	u32 board_address, board_ext_address, param;
1148
	u32 board_data_size, board_ext_data_size;
K
Kalle Valo 已提交
1149 1150
	int ret;

1151 1152
	if (WARN_ON(ar->fw_board == NULL))
		return -ENOENT;
K
Kalle Valo 已提交
1153

1154 1155 1156 1157 1158
	/*
	 * Determine where in Target RAM to write Board Data.
	 * For AR6004, host determine Target RAM address for
	 * writing board data.
	 */
1159
	if (ar->hw.board_addr != 0) {
1160
		board_address = ar->hw.board_addr;
1161
		ath6kl_bmi_write_hi32(ar, hi_board_data,
1162
				      board_address);
1163
	} else {
1164
		ath6kl_bmi_read_hi32(ar, hi_board_data, &board_address);
1165 1166
	}

K
Kalle Valo 已提交
1167
	/* determine where in target ram to write extended board data */
1168
	ath6kl_bmi_read_hi32(ar, hi_board_ext_data, &board_ext_address);
K
Kalle Valo 已提交
1169

1170 1171
	if (ar->target_type == TARGET_TYPE_AR6003 &&
	    board_ext_address == 0) {
K
Kalle Valo 已提交
1172 1173 1174 1175
		ath6kl_err("Failed to get board file target address.\n");
		return -EINVAL;
	}

1176 1177 1178 1179
	switch (ar->target_type) {
	case TARGET_TYPE_AR6003:
		board_data_size = AR6003_BOARD_DATA_SZ;
		board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ;
1180 1181
		if (ar->fw_board_len > (board_data_size + board_ext_data_size))
			board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ_V2;
1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192
		break;
	case TARGET_TYPE_AR6004:
		board_data_size = AR6004_BOARD_DATA_SZ;
		board_ext_data_size = AR6004_BOARD_EXT_DATA_SZ;
		break;
	default:
		WARN_ON(1);
		return -EINVAL;
		break;
	}

1193 1194
	if (board_ext_address &&
	    ar->fw_board_len == (board_data_size + board_ext_data_size)) {
1195

K
Kalle Valo 已提交
1196
		/* write extended board data */
1197 1198 1199 1200
		ath6kl_dbg(ATH6KL_DBG_BOOT,
			   "writing extended board data to 0x%x (%d B)\n",
			   board_ext_address, board_ext_data_size);

K
Kalle Valo 已提交
1201
		ret = ath6kl_bmi_write(ar, board_ext_address,
1202 1203
				       ar->fw_board + board_data_size,
				       board_ext_data_size);
K
Kalle Valo 已提交
1204 1205 1206 1207 1208 1209 1210
		if (ret) {
			ath6kl_err("Failed to write extended board data: %d\n",
				   ret);
			return ret;
		}

		/* record that extended board data is initialized */
1211 1212
		param = (board_ext_data_size << 16) | 1;

1213
		ath6kl_bmi_write_hi32(ar, hi_board_ext_data_config, param);
K
Kalle Valo 已提交
1214 1215
	}

1216
	if (ar->fw_board_len < board_data_size) {
K
Kalle Valo 已提交
1217 1218 1219 1220 1221
		ath6kl_err("Too small board file: %zu\n", ar->fw_board_len);
		ret = -EINVAL;
		return ret;
	}

1222 1223 1224
	ath6kl_dbg(ATH6KL_DBG_BOOT, "writing board file to 0x%x (%d B)\n",
		   board_address, board_data_size);

K
Kalle Valo 已提交
1225
	ret = ath6kl_bmi_write(ar, board_address, ar->fw_board,
1226
			       board_data_size);
K
Kalle Valo 已提交
1227 1228 1229 1230 1231 1232 1233

	if (ret) {
		ath6kl_err("Board file bmi write failed: %d\n", ret);
		return ret;
	}

	/* record the fact that Board Data IS initialized */
1234
	ath6kl_bmi_write_hi32(ar, hi_board_data_initialized, 1);
K
Kalle Valo 已提交
1235 1236 1237 1238 1239 1240 1241

	return ret;
}

static int ath6kl_upload_otp(struct ath6kl *ar)
{
	u32 address, param;
1242
	bool from_hw = false;
K
Kalle Valo 已提交
1243 1244
	int ret;

1245 1246
	if (ar->fw_otp == NULL)
		return 0;
K
Kalle Valo 已提交
1247

1248
	address = ar->hw.app_load_addr;
K
Kalle Valo 已提交
1249

1250
	ath6kl_dbg(ATH6KL_DBG_BOOT, "writing otp to 0x%x (%zd B)\n", address,
1251 1252
		   ar->fw_otp_len);

K
Kalle Valo 已提交
1253 1254 1255 1256 1257 1258 1259
	ret = ath6kl_bmi_fast_download(ar, address, ar->fw_otp,
				       ar->fw_otp_len);
	if (ret) {
		ath6kl_err("Failed to upload OTP file: %d\n", ret);
		return ret;
	}

1260
	/* read firmware start address */
1261
	ret = ath6kl_bmi_read_hi32(ar, hi_app_start, &address);
1262 1263 1264 1265 1266 1267

	if (ret) {
		ath6kl_err("Failed to read hi_app_start: %d\n", ret);
		return ret;
	}

1268 1269 1270 1271
	if (ar->hw.app_start_override_addr == 0) {
		ar->hw.app_start_override_addr = address;
		from_hw = true;
	}
1272

1273 1274
	ath6kl_dbg(ATH6KL_DBG_BOOT, "app_start_override_addr%s 0x%x\n",
		   from_hw ? " (from hw)" : "",
1275 1276
		   ar->hw.app_start_override_addr);

K
Kalle Valo 已提交
1277
	/* execute the OTP code */
1278 1279
	ath6kl_dbg(ATH6KL_DBG_BOOT, "executing OTP at 0x%x\n",
		   ar->hw.app_start_override_addr);
K
Kalle Valo 已提交
1280
	param = 0;
1281
	ath6kl_bmi_execute(ar, ar->hw.app_start_override_addr, &param);
K
Kalle Valo 已提交
1282 1283 1284 1285 1286 1287 1288 1289 1290

	return ret;
}

static int ath6kl_upload_firmware(struct ath6kl *ar)
{
	u32 address;
	int ret;

1291
	if (WARN_ON(ar->fw == NULL))
1292
		return 0;
K
Kalle Valo 已提交
1293

1294
	address = ar->hw.app_load_addr;
K
Kalle Valo 已提交
1295

1296
	ath6kl_dbg(ATH6KL_DBG_BOOT, "writing firmware to 0x%x (%zd B)\n",
1297 1298
		   address, ar->fw_len);

K
Kalle Valo 已提交
1299 1300 1301 1302 1303 1304 1305
	ret = ath6kl_bmi_fast_download(ar, address, ar->fw, ar->fw_len);

	if (ret) {
		ath6kl_err("Failed to write firmware: %d\n", ret);
		return ret;
	}

1306 1307 1308 1309 1310
	/*
	 * Set starting address for firmware
	 * Don't need to setup app_start override addr on AR6004
	 */
	if (ar->target_type != TARGET_TYPE_AR6004) {
1311
		address = ar->hw.app_start_override_addr;
1312 1313
		ath6kl_bmi_set_app_start(ar, address);
	}
K
Kalle Valo 已提交
1314 1315 1316 1317 1318
	return ret;
}

static int ath6kl_upload_patch(struct ath6kl *ar)
{
1319
	u32 address;
K
Kalle Valo 已提交
1320 1321
	int ret;

1322 1323
	if (ar->fw_patch == NULL)
		return 0;
K
Kalle Valo 已提交
1324

1325
	address = ar->hw.dataset_patch_addr;
K
Kalle Valo 已提交
1326

1327
	ath6kl_dbg(ATH6KL_DBG_BOOT, "writing patch to 0x%x (%zd B)\n",
1328 1329
		   address, ar->fw_patch_len);

K
Kalle Valo 已提交
1330 1331 1332 1333 1334 1335
	ret = ath6kl_bmi_write(ar, address, ar->fw_patch, ar->fw_patch_len);
	if (ret) {
		ath6kl_err("Failed to write patch file: %d\n", ret);
		return ret;
	}

1336
	ath6kl_bmi_write_hi32(ar, hi_dset_list_head, address);
K
Kalle Valo 已提交
1337 1338 1339 1340

	return 0;
}

1341 1342
static int ath6kl_upload_testscript(struct ath6kl *ar)
{
1343
	u32 address;
1344 1345
	int ret;

1346
	if (ar->testmode != 2)
1347 1348 1349 1350 1351 1352 1353 1354
		return 0;

	if (ar->fw_testscript == NULL)
		return 0;

	address = ar->hw.testscript_addr;

	ath6kl_dbg(ATH6KL_DBG_BOOT, "writing testscript to 0x%x (%zd B)\n",
1355
		   address, ar->fw_testscript_len);
1356 1357 1358 1359 1360 1361 1362 1363

	ret = ath6kl_bmi_write(ar, address, ar->fw_testscript,
		ar->fw_testscript_len);
	if (ret) {
		ath6kl_err("Failed to write testscript file: %d\n", ret);
		return ret;
	}

1364 1365 1366
	ath6kl_bmi_write_hi32(ar, hi_ota_testscript, address);
	ath6kl_bmi_write_hi32(ar, hi_end_ram_reserve_sz, 4096);
	ath6kl_bmi_write_hi32(ar, hi_test_apps_related, 1);
1367 1368 1369 1370

	return 0;
}

K
Kalle Valo 已提交
1371 1372 1373 1374 1375
static int ath6kl_init_upload(struct ath6kl *ar)
{
	u32 param, options, sleep, address;
	int status = 0;

1376
	if (ar->target_type != TARGET_TYPE_AR6003 &&
1377
	    ar->target_type != TARGET_TYPE_AR6004)
K
Kalle Valo 已提交
1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408
		return -EINVAL;

	/* temporarily disable system sleep */
	address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS;
	status = ath6kl_bmi_reg_read(ar, address, &param);
	if (status)
		return status;

	options = param;

	param |= ATH6KL_OPTION_SLEEP_DISABLE;
	status = ath6kl_bmi_reg_write(ar, address, param);
	if (status)
		return status;

	address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS;
	status = ath6kl_bmi_reg_read(ar, address, &param);
	if (status)
		return status;

	sleep = param;

	param |= SM(SYSTEM_SLEEP_DISABLE, 1);
	status = ath6kl_bmi_reg_write(ar, address, param);
	if (status)
		return status;

	ath6kl_dbg(ATH6KL_DBG_TRC, "old options: %d, old sleep: %d\n",
		   options, sleep);

	/* program analog PLL register */
1409 1410 1411 1412
	/* no need to control 40/44MHz clock on AR6004 */
	if (ar->target_type != TARGET_TYPE_AR6004) {
		status = ath6kl_bmi_reg_write(ar, ATH6KL_ANALOG_PLL_REGISTER,
					      0xF9104001);
K
Kalle Valo 已提交
1413

1414 1415
		if (status)
			return status;
K
Kalle Valo 已提交
1416

1417 1418 1419 1420 1421 1422 1423 1424
		/* Run at 80/88MHz by default */
		param = SM(CPU_CLOCK_STANDARD, 1);

		address = RTC_BASE_ADDRESS + CPU_CLOCK_ADDRESS;
		status = ath6kl_bmi_reg_write(ar, address, param);
		if (status)
			return status;
	}
K
Kalle Valo 已提交
1425 1426 1427 1428 1429 1430 1431 1432 1433

	param = 0;
	address = RTC_BASE_ADDRESS + LPO_CAL_ADDRESS;
	param = SM(LPO_CAL_ENABLE, 1);
	status = ath6kl_bmi_reg_write(ar, address, param);
	if (status)
		return status;

	/* WAR to avoid SDIO CRC err */
1434
	if (ar->hw.flags & ATH6KL_HW_SDIO_CRC_ERROR_WAR) {
K
Kalle Valo 已提交
1435 1436
		ath6kl_err("temporary war to avoid sdio crc error\n");

1437 1438 1439 1440 1441 1442
		param = 0x28;
		address = GPIO_BASE_ADDRESS + GPIO_PIN9_ADDRESS;
		status = ath6kl_bmi_reg_write(ar, address, param);
		if (status)
			return status;

K
Kalle Valo 已提交
1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484
		param = 0x20;

		address = GPIO_BASE_ADDRESS + GPIO_PIN10_ADDRESS;
		status = ath6kl_bmi_reg_write(ar, address, param);
		if (status)
			return status;

		address = GPIO_BASE_ADDRESS + GPIO_PIN11_ADDRESS;
		status = ath6kl_bmi_reg_write(ar, address, param);
		if (status)
			return status;

		address = GPIO_BASE_ADDRESS + GPIO_PIN12_ADDRESS;
		status = ath6kl_bmi_reg_write(ar, address, param);
		if (status)
			return status;

		address = GPIO_BASE_ADDRESS + GPIO_PIN13_ADDRESS;
		status = ath6kl_bmi_reg_write(ar, address, param);
		if (status)
			return status;
	}

	/* write EEPROM data to Target RAM */
	status = ath6kl_upload_board_file(ar);
	if (status)
		return status;

	/* transfer One time Programmable data */
	status = ath6kl_upload_otp(ar);
	if (status)
		return status;

	/* Download Target firmware */
	status = ath6kl_upload_firmware(ar);
	if (status)
		return status;

	status = ath6kl_upload_patch(ar);
	if (status)
		return status;

1485 1486 1487 1488 1489
	/* Download the test script */
	status = ath6kl_upload_testscript(ar);
	if (status)
		return status;

K
Kalle Valo 已提交
1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504
	/* Restore system sleep */
	address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS;
	status = ath6kl_bmi_reg_write(ar, address, sleep);
	if (status)
		return status;

	address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS;
	param = options | 0x20;
	status = ath6kl_bmi_reg_write(ar, address, param);
	if (status)
		return status;

	return status;
}

K
Kalle Valo 已提交
1505
int ath6kl_init_hw_params(struct ath6kl *ar)
1506
{
1507
	const struct ath6kl_hw *uninitialized_var(hw);
1508
	int i;
1509

1510 1511
	for (i = 0; i < ARRAY_SIZE(hw_list); i++) {
		hw = &hw_list[i];
1512

1513 1514 1515 1516 1517
		if (hw->id == ar->version.target_ver)
			break;
	}

	if (i == ARRAY_SIZE(hw_list)) {
1518 1519 1520 1521 1522
		ath6kl_err("Unsupported hardware version: 0x%x\n",
			   ar->version.target_ver);
		return -EINVAL;
	}

1523 1524
	ar->hw = *hw;

1525 1526 1527 1528 1529 1530 1531 1532
	ath6kl_dbg(ATH6KL_DBG_BOOT,
		   "target_ver 0x%x target_type 0x%x dataset_patch 0x%x app_load_addr 0x%x\n",
		   ar->version.target_ver, ar->target_type,
		   ar->hw.dataset_patch_addr, ar->hw.app_load_addr);
	ath6kl_dbg(ATH6KL_DBG_BOOT,
		   "app_start_override_addr 0x%x board_ext_data_addr 0x%x reserved_ram_size 0x%x",
		   ar->hw.app_start_override_addr, ar->hw.board_ext_data_addr,
		   ar->hw.reserved_ram_size);
1533 1534 1535
	ath6kl_dbg(ATH6KL_DBG_BOOT,
		   "refclk_hz %d uarttx_pin %d",
		   ar->hw.refclk_hz, ar->hw.uarttx_pin);
1536

1537 1538 1539
	return 0;
}

1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551
static const char *ath6kl_init_get_hif_name(enum ath6kl_hif_type type)
{
	switch (type) {
	case ATH6KL_HIF_TYPE_SDIO:
		return "sdio";
	case ATH6KL_HIF_TYPE_USB:
		return "usb";
	}

	return NULL;
}

1552
static int __ath6kl_init_hw_start(struct ath6kl *ar)
1553 1554 1555 1556
{
	long timeleft;
	int ret, i;

1557 1558
	ath6kl_dbg(ATH6KL_DBG_BOOT, "hw start\n");

1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571
	ret = ath6kl_hif_power_on(ar);
	if (ret)
		return ret;

	ret = ath6kl_configure_target(ar);
	if (ret)
		goto err_power_off;

	ret = ath6kl_init_upload(ar);
	if (ret)
		goto err_power_off;

	/* Do we need to finish the BMI phase */
1572 1573
	ret = ath6kl_bmi_done(ar);
	if (ret)
1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591
		goto err_power_off;

	/*
	 * The reason we have to wait for the target here is that the
	 * driver layer has to init BMI in order to set the host block
	 * size.
	 */
	if (ath6kl_htc_wait_target(ar->htc_target)) {
		ret = -EIO;
		goto err_power_off;
	}

	if (ath6kl_init_service_ep(ar)) {
		ret = -EIO;
		goto err_cleanup_scatter;
	}

	/* setup credit distribution */
K
Kalle Valo 已提交
1592
	ath6kl_htc_credit_setup(ar->htc_target, &ar->credit_state_info);
1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609

	/* start HTC */
	ret = ath6kl_htc_start(ar->htc_target);
	if (ret) {
		/* FIXME: call this */
		ath6kl_cookie_cleanup(ar);
		goto err_cleanup_scatter;
	}

	/* Wait for Wmi event to be ready */
	timeleft = wait_event_interruptible_timeout(ar->event_wq,
						    test_bit(WMI_READY,
							     &ar->flag),
						    WMI_TIMEOUT);

	ath6kl_dbg(ATH6KL_DBG_BOOT, "firmware booted\n");

1610 1611

	if (test_and_clear_bit(FIRST_BOOT, &ar->flag)) {
1612
		ath6kl_info("%s %s fw %s api %d%s\n",
1613 1614 1615
			    ar->hw.name,
			    ath6kl_init_get_hif_name(ar->hif_type),
			    ar->wiphy->fw_version,
1616
			    ar->fw_api,
1617 1618 1619
			    test_bit(TESTMODE, &ar->flag) ? " testmode" : "");
	}

1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639
	if (ar->version.abi_ver != ATH6KL_ABI_VERSION) {
		ath6kl_err("abi version mismatch: host(0x%x), target(0x%x)\n",
			   ATH6KL_ABI_VERSION, ar->version.abi_ver);
		ret = -EIO;
		goto err_htc_stop;
	}

	if (!timeleft || signal_pending(current)) {
		ath6kl_err("wmi is not ready or wait was interrupted\n");
		ret = -EIO;
		goto err_htc_stop;
	}

	ath6kl_dbg(ATH6KL_DBG_TRC, "%s: wmi is ready\n", __func__);

	/* communicate the wmi protocol verision to the target */
	/* FIXME: return error */
	if ((ath6kl_set_host_app_area(ar)) != 0)
		ath6kl_err("unable to set the host app area\n");

1640
	for (i = 0; i < ar->vif_max; i++) {
1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657
		ret = ath6kl_target_config_wlan_params(ar, i);
		if (ret)
			goto err_htc_stop;
	}

	return 0;

err_htc_stop:
	ath6kl_htc_stop(ar->htc_target);
err_cleanup_scatter:
	ath6kl_hif_cleanup_scatter(ar);
err_power_off:
	ath6kl_hif_power_off(ar);

	return ret;
}

1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669
int ath6kl_init_hw_start(struct ath6kl *ar)
{
	int err;

	err = __ath6kl_init_hw_start(ar);
	if (err)
		return err;
	ar->state = ATH6KL_STATE_ON;
	return 0;
}

static int __ath6kl_init_hw_stop(struct ath6kl *ar)
1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684
{
	int ret;

	ath6kl_dbg(ATH6KL_DBG_BOOT, "hw stop\n");

	ath6kl_htc_stop(ar->htc_target);

	ath6kl_hif_stop(ar);

	ath6kl_bmi_reset(ar);

	ret = ath6kl_hif_power_off(ar);
	if (ret)
		ath6kl_warn("failed to power off hif: %d\n", ret);

1685 1686
	return 0;
}
1687

1688 1689 1690 1691 1692 1693 1694 1695
int ath6kl_init_hw_stop(struct ath6kl *ar)
{
	int err;

	err = __ath6kl_init_hw_stop(ar);
	if (err)
		return err;
	ar->state = ATH6KL_STATE_OFF;
1696 1697 1698
	return 0;
}

1699 1700
void ath6kl_init_hw_restart(struct ath6kl *ar)
{
1701 1702
	clear_bit(WMI_READY, &ar->flag);

1703 1704
	ath6kl_cfg80211_stop_all(ar);

1705 1706
	if (__ath6kl_init_hw_stop(ar)) {
		ath6kl_dbg(ATH6KL_DBG_RECOVERY, "Failed to stop during fw error recovery\n");
1707
		return;
1708
	}
1709 1710 1711 1712 1713 1714 1715

	if (__ath6kl_init_hw_start(ar)) {
		ath6kl_dbg(ATH6KL_DBG_RECOVERY, "Failed to restart during fw error recovery\n");
		return;
	}
}

K
Kalle Valo 已提交
1716 1717
void ath6kl_stop_txrx(struct ath6kl *ar)
{
1718
	struct ath6kl_vif *vif, *tmp_vif;
1719
	int i;
K
Kalle Valo 已提交
1720 1721 1722 1723 1724 1725 1726 1727

	set_bit(DESTROY_IN_PROGRESS, &ar->flag);

	if (down_interruptible(&ar->sem)) {
		ath6kl_err("down_interruptible failed\n");
		return;
	}

1728 1729 1730
	for (i = 0; i < AP_MAX_NUM_STA; i++)
		aggr_reset_state(ar->sta_list[i].aggr_conn);

1731
	spin_lock_bh(&ar->list_lock);
1732 1733
	list_for_each_entry_safe(vif, tmp_vif, &ar->vif_list, list) {
		list_del(&vif->list);
1734
		spin_unlock_bh(&ar->list_lock);
1735
		ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag));
1736
		rtnl_lock();
1737
		ath6kl_cfg80211_vif_cleanup(vif);
1738
		rtnl_unlock();
1739
		spin_lock_bh(&ar->list_lock);
1740
	}
1741
	spin_unlock_bh(&ar->list_lock);
K
Kalle Valo 已提交
1742

1743
	clear_bit(WMI_READY, &ar->flag);
K
Kalle Valo 已提交
1744

1745 1746 1747 1748 1749 1750 1751 1752 1753 1754
	/*
	 * After wmi_shudown all WMI events will be dropped. We
	 * need to cleanup the buffers allocated in AP mode and
	 * give disconnect notification to stack, which usually
	 * happens in the disconnect_event. Simulate the disconnect
	 * event by calling the function directly. Sometimes
	 * disconnect_event will be received when the debug logs
	 * are collected.
	 */
	ath6kl_wmi_shutdown(ar->wmi);
K
Kalle Valo 已提交
1755

1756 1757 1758 1759
	clear_bit(WMI_ENABLED, &ar->flag);
	if (ar->htc_target) {
		ath6kl_dbg(ATH6KL_DBG_TRC, "%s: shut down htc\n", __func__);
		ath6kl_htc_stop(ar->htc_target);
K
Kalle Valo 已提交
1760 1761
	}

1762 1763 1764 1765 1766
	/*
	 * Try to reset the device if we can. The driver may have been
	 * configure NOT to reset the target during a debug session.
	 */
	ath6kl_dbg(ATH6KL_DBG_TRC,
1767
		   "attempting to reset target on instance destroy\n");
1768
	ath6kl_reset_device(ar, ar->target_type, true, true);
1769

1770
	up(&ar->sem);
K
Kalle Valo 已提交
1771
}
1772
EXPORT_SYMBOL(ath6kl_stop_txrx);
新手
引导
客服 返回
顶部