rt2800pci.c 35.7 KB
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/*
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	Copyright (C) 2009 Ivo van Doorn <IvDoorn@gmail.com>
	Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
	Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
	Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
	Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
	Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
	Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
	Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@gmail.com>
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	<http://rt2x00.serialmonkey.com>

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the
	Free Software Foundation, Inc.,
	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

/*
	Module: rt2800pci
	Abstract: rt2800pci device specific routines.
	Supported chipsets: RT2800E & RT2800ED.
 */

#include <linux/crc-ccitt.h>
#include <linux/delay.h>
#include <linux/etherdevice.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
#include <linux/eeprom_93cx6.h>

#include "rt2x00.h"
#include "rt2x00pci.h"
#include "rt2x00soc.h"
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#include "rt2800lib.h"
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#include "rt2800.h"
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#include "rt2800pci.h"

/*
 * Allow hardware encryption to be disabled.
 */
static int modparam_nohwcrypt = 1;
module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");

static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
{
	unsigned int i;
	u32 reg;

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	/*
	 * SOC devices don't support MCU requests.
	 */
	if (rt2x00_is_soc(rt2x00dev))
		return;

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	for (i = 0; i < 200; i++) {
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		rt2800_register_read(rt2x00dev, H2M_MAILBOX_CID, &reg);
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		if ((rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD0) == token) ||
		    (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD1) == token) ||
		    (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD2) == token) ||
		    (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD3) == token))
			break;

		udelay(REGISTER_BUSY_DELAY);
	}

	if (i == 200)
		ERROR(rt2x00dev, "MCU request failed, no response from hardware\n");

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	rt2800_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
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}

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#ifdef CONFIG_RT2800PCI_SOC
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static void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
{
	u32 *base_addr = (u32 *) KSEG1ADDR(0x1F040000); /* XXX for RT3052 */

	memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
}
#else
static inline void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
{
}
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#endif /* CONFIG_RT2800PCI_SOC */
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#ifdef CONFIG_RT2800PCI_PCI
static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
{
	struct rt2x00_dev *rt2x00dev = eeprom->data;
	u32 reg;

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	rt2800_register_read(rt2x00dev, E2PROM_CSR, &reg);
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	eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN);
	eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT);
	eeprom->reg_data_clock =
	    !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK);
	eeprom->reg_chip_select =
	    !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT);
}

static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
{
	struct rt2x00_dev *rt2x00dev = eeprom->data;
	u32 reg = 0;

	rt2x00_set_field32(&reg, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in);
	rt2x00_set_field32(&reg, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out);
	rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK,
			   !!eeprom->reg_data_clock);
	rt2x00_set_field32(&reg, E2PROM_CSR_CHIP_SELECT,
			   !!eeprom->reg_chip_select);

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	rt2800_register_write(rt2x00dev, E2PROM_CSR, reg);
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}

static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
{
	struct eeprom_93cx6 eeprom;
	u32 reg;

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	rt2800_register_read(rt2x00dev, E2PROM_CSR, &reg);
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	eeprom.data = rt2x00dev;
	eeprom.register_read = rt2800pci_eepromregister_read;
	eeprom.register_write = rt2800pci_eepromregister_write;
	eeprom.width = !rt2x00_get_field32(reg, E2PROM_CSR_TYPE) ?
	    PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66;
	eeprom.reg_data_in = 0;
	eeprom.reg_data_out = 0;
	eeprom.reg_data_clock = 0;
	eeprom.reg_chip_select = 0;

	eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
			       EEPROM_SIZE / sizeof(u16));
}

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static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
{
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	return rt2800_efuse_detect(rt2x00dev);
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}

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static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
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{
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	rt2800_read_eeprom_efuse(rt2x00dev);
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}
#else
static inline void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
{
}

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static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
{
	return 0;
}

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static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
{
}
#endif /* CONFIG_RT2800PCI_PCI */

/*
 * Firmware functions
 */
static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
{
	return FIRMWARE_RT2860;
}

static int rt2800pci_check_firmware(struct rt2x00_dev *rt2x00dev,
				    const u8 *data, const size_t len)
{
	u16 fw_crc;
	u16 crc;

	/*
	 * Only support 8kb firmware files.
	 */
	if (len != 8192)
		return FW_BAD_LENGTH;

	/*
	 * The last 2 bytes in the firmware array are the crc checksum itself,
	 * this means that we should never pass those 2 bytes to the crc
	 * algorithm.
	 */
	fw_crc = (data[len - 2] << 8 | data[len - 1]);

	/*
	 * Use the crc ccitt algorithm.
	 * This will return the same value as the legacy driver which
	 * used bit ordering reversion on the both the firmware bytes
	 * before input input as well as on the final output.
	 * Obviously using crc ccitt directly is much more efficient.
	 */
	crc = crc_ccitt(~0, data, len - 2);

	/*
	 * There is a small difference between the crc-itu-t + bitrev and
	 * the crc-ccitt crc calculation. In the latter method the 2 bytes
	 * will be swapped, use swab16 to convert the crc to the correct
	 * value.
	 */
	crc = swab16(crc);

	return (fw_crc == crc) ? FW_OK : FW_BAD_CRC;
}

static int rt2800pci_load_firmware(struct rt2x00_dev *rt2x00dev,
				   const u8 *data, const size_t len)
{
	unsigned int i;
	u32 reg;

	/*
	 * Wait for stable hardware.
	 */
	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
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		rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
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		if (reg && reg != ~0)
			break;
		msleep(1);
	}

	if (i == REGISTER_BUSY_COUNT) {
		ERROR(rt2x00dev, "Unstable hardware.\n");
		return -EBUSY;
	}

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	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
	rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
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	/*
	 * Disable DMA, will be reenabled later when enabling
	 * the radio.
	 */
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	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
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	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
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	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
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	/*
	 * enable Host program ram write selection
	 */
	reg = 0;
	rt2x00_set_field32(&reg, PBF_SYS_CTRL_HOST_RAM_WRITE, 1);
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	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg);
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	/*
	 * Write firmware to device.
	 */
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	rt2800_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
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				      data, len);

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	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000);
	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001);
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	/*
	 * Wait for device to stabilize.
	 */
	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
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		rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
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		if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
			break;
		msleep(1);
	}

	if (i == REGISTER_BUSY_COUNT) {
		ERROR(rt2x00dev, "PBF system register not ready.\n");
		return -EBUSY;
	}

	/*
	 * Disable interrupts
	 */
	rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_RADIO_IRQ_OFF);

	/*
	 * Initialize BBP R/W access agent
	 */
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	rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
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	return 0;
}

/*
 * Initialization functions.
 */
static bool rt2800pci_get_entry_state(struct queue_entry *entry)
{
	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
	u32 word;

	if (entry->queue->qid == QID_RX) {
		rt2x00_desc_read(entry_priv->desc, 1, &word);

		return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE));
	} else {
		rt2x00_desc_read(entry_priv->desc, 1, &word);

		return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE));
	}
}

static void rt2800pci_clear_entry(struct queue_entry *entry)
{
	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
	u32 word;

	if (entry->queue->qid == QID_RX) {
		rt2x00_desc_read(entry_priv->desc, 0, &word);
		rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma);
		rt2x00_desc_write(entry_priv->desc, 0, word);

		rt2x00_desc_read(entry_priv->desc, 1, &word);
		rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0);
		rt2x00_desc_write(entry_priv->desc, 1, word);
	} else {
		rt2x00_desc_read(entry_priv->desc, 1, &word);
		rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1);
		rt2x00_desc_write(entry_priv->desc, 1, word);
	}
}

static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
{
	struct queue_entry_priv_pci *entry_priv;
	u32 reg;

	/*
	 * Initialize registers.
	 */
	entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
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	rt2800_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma);
	rt2800_register_write(rt2x00dev, TX_MAX_CNT0, rt2x00dev->tx[0].limit);
	rt2800_register_write(rt2x00dev, TX_CTX_IDX0, 0);
	rt2800_register_write(rt2x00dev, TX_DTX_IDX0, 0);
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	entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
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	rt2800_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma);
	rt2800_register_write(rt2x00dev, TX_MAX_CNT1, rt2x00dev->tx[1].limit);
	rt2800_register_write(rt2x00dev, TX_CTX_IDX1, 0);
	rt2800_register_write(rt2x00dev, TX_DTX_IDX1, 0);
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	entry_priv = rt2x00dev->tx[2].entries[0].priv_data;
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	rt2800_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma);
	rt2800_register_write(rt2x00dev, TX_MAX_CNT2, rt2x00dev->tx[2].limit);
	rt2800_register_write(rt2x00dev, TX_CTX_IDX2, 0);
	rt2800_register_write(rt2x00dev, TX_DTX_IDX2, 0);
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	entry_priv = rt2x00dev->tx[3].entries[0].priv_data;
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	rt2800_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma);
	rt2800_register_write(rt2x00dev, TX_MAX_CNT3, rt2x00dev->tx[3].limit);
	rt2800_register_write(rt2x00dev, TX_CTX_IDX3, 0);
	rt2800_register_write(rt2x00dev, TX_DTX_IDX3, 0);
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	entry_priv = rt2x00dev->rx->entries[0].priv_data;
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	rt2800_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma);
	rt2800_register_write(rt2x00dev, RX_MAX_CNT, rt2x00dev->rx[0].limit);
	rt2800_register_write(rt2x00dev, RX_CRX_IDX, rt2x00dev->rx[0].limit - 1);
	rt2800_register_write(rt2x00dev, RX_DRX_IDX, 0);
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	/*
	 * Enable global DMA configuration
	 */
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	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
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	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
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	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
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	rt2800_register_write(rt2x00dev, DELAY_INT_CFG, 0);
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	return 0;
}

/*
 * Device state switch handlers.
 */
static void rt2800pci_toggle_rx(struct rt2x00_dev *rt2x00dev,
				enum dev_state state)
{
	u32 reg;

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	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
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	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX,
			   (state == STATE_RADIO_RX_ON) ||
			   (state == STATE_RADIO_RX_ON_LINK));
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	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
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}

static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
				 enum dev_state state)
{
	int mask = (state == STATE_RADIO_IRQ_ON);
	u32 reg;

	/*
	 * When interrupts are being enabled, the interrupt registers
	 * should clear the register to assure a clean state.
	 */
	if (state == STATE_RADIO_IRQ_ON) {
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		rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
		rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
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	}

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	rt2800_register_read(rt2x00dev, INT_MASK_CSR, &reg);
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	rt2x00_set_field32(&reg, INT_MASK_CSR_RXDELAYINT, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_TXDELAYINT, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_RX_DONE, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_AC0_DMA_DONE, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_AC1_DMA_DONE, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_AC2_DMA_DONE, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_AC3_DMA_DONE, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_HCCA_DMA_DONE, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_MGMT_DMA_DONE, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_MCU_COMMAND, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_RXTX_COHERENT, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_TBTT, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_PRE_TBTT, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_TX_FIFO_STATUS, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_AUTO_WAKEUP, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_GPTIMER, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_RX_COHERENT, mask);
	rt2x00_set_field32(&reg, INT_MASK_CSR_TX_COHERENT, mask);
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	rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg);
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}

static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
{
	u32 reg;
	u16 word;

	/*
	 * Initialize all registers.
	 */
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	if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
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		     rt2800pci_init_queues(rt2x00dev) ||
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		     rt2800_init_registers(rt2x00dev) ||
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		     rt2800_wait_wpdma_ready(rt2x00dev) ||
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		     rt2800_init_bbp(rt2x00dev) ||
		     rt2800_init_rfcsr(rt2x00dev)))
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		return -EIO;

	/*
	 * Send signal to firmware during boot time.
	 */
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	rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0xff, 0, 0);
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	/*
	 * Enable RX.
	 */
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	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
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	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
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	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
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	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
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	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2);
	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
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	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
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	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
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	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
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	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
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	/*
	 * Initialize LED control
	 */
	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word);
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	rt2800_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
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			      word & 0xff, (word >> 8) & 0xff);

	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word);
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	rt2800_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
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			      word & 0xff, (word >> 8) & 0xff);

	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word);
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	rt2800_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
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			      word & 0xff, (word >> 8) & 0xff);

	return 0;
}

static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
{
	u32 reg;

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	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
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	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
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	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
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	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0);
	rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
523

524
	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001280);
525

526
	rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
527 528 529 530 531 532 533
	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, 1);
	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DRX_IDX0, 1);
534
	rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
535

536 537
	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
538 539

	/* Wait for DMA, ignore error */
540
	rt2800_wait_wpdma_ready(rt2x00dev);
541 542 543 544 545 546 547 548 549 550
}

static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
			       enum dev_state state)
{
	/*
	 * Always put the device to sleep (even when we intend to wakeup!)
	 * if the device is booting and wasn't asleep it will return
	 * failure when attempting to wakeup.
	 */
551
	rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2);
552 553

	if (state == STATE_AWAKE) {
554
		rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0);
555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615
		rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP);
	}

	return 0;
}

static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev,
				      enum dev_state state)
{
	int retval = 0;

	switch (state) {
	case STATE_RADIO_ON:
		/*
		 * Before the radio can be enabled, the device first has
		 * to be woken up. After that it needs a bit of time
		 * to be fully awake and then the radio can be enabled.
		 */
		rt2800pci_set_state(rt2x00dev, STATE_AWAKE);
		msleep(1);
		retval = rt2800pci_enable_radio(rt2x00dev);
		break;
	case STATE_RADIO_OFF:
		/*
		 * After the radio has been disabled, the device should
		 * be put to sleep for powersaving.
		 */
		rt2800pci_disable_radio(rt2x00dev);
		rt2800pci_set_state(rt2x00dev, STATE_SLEEP);
		break;
	case STATE_RADIO_RX_ON:
	case STATE_RADIO_RX_ON_LINK:
	case STATE_RADIO_RX_OFF:
	case STATE_RADIO_RX_OFF_LINK:
		rt2800pci_toggle_rx(rt2x00dev, state);
		break;
	case STATE_RADIO_IRQ_ON:
	case STATE_RADIO_IRQ_OFF:
		rt2800pci_toggle_irq(rt2x00dev, state);
		break;
	case STATE_DEEP_SLEEP:
	case STATE_SLEEP:
	case STATE_STANDBY:
	case STATE_AWAKE:
		retval = rt2800pci_set_state(rt2x00dev, state);
		break;
	default:
		retval = -ENOTSUPP;
		break;
	}

	if (unlikely(retval))
		ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
		      state, retval);

	return retval;
}

/*
 * TX descriptor initialization
 */
616 617
static int rt2800pci_write_tx_data(struct queue_entry* entry,
				   struct txentry_desc *txdesc)
618
{
619
	int ret;
620

621 622 623 624
	ret = rt2x00pci_write_tx_data(entry, txdesc);
	if (ret)
		return ret;

625
	rt2800_write_txwi(entry->skb, txdesc);
626

627 628 629 630 631 632 633 634 635
	return 0;
}


static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
				    struct sk_buff *skb,
				    struct txentry_desc *txdesc)
{
	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
636 637
	struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data;
	__le32 *txd = entry_priv->desc;
638 639
	u32 word;

640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660
	/*
	 * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1
	 * must contains a TXWI structure + 802.11 header + padding + 802.11
	 * data. We choose to have SD_PTR0/SD_LEN0 only contains TXWI and
	 * SD_PTR1/SD_LEN1 contains 802.11 header + padding + 802.11
	 * data. It means that LAST_SEC0 is always 0.
	 */

	/*
	 * Initialize TX descriptor
	 */
	rt2x00_desc_read(txd, 0, &word);
	rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma);
	rt2x00_desc_write(txd, 0, word);

	rt2x00_desc_read(txd, 1, &word);
	rt2x00_set_field32(&word, TXD_W1_SD_LEN1, skb->len);
	rt2x00_set_field32(&word, TXD_W1_LAST_SEC1,
			   !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
	rt2x00_set_field32(&word, TXD_W1_BURST,
			   test_bit(ENTRY_TXD_BURST, &txdesc->flags));
661
	rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE);
662 663 664 665 666 667
	rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0);
	rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0);
	rt2x00_desc_write(txd, 1, word);

	rt2x00_desc_read(txd, 2, &word);
	rt2x00_set_field32(&word, TXD_W2_SD_PTR1,
668
			   skbdesc->skb_dma + TXWI_DESC_SIZE);
669 670 671 672 673 674 675
	rt2x00_desc_write(txd, 2, word);

	rt2x00_desc_read(txd, 3, &word);
	rt2x00_set_field32(&word, TXD_W3_WIV,
			   !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
	rt2x00_set_field32(&word, TXD_W3_QSEL, 2);
	rt2x00_desc_write(txd, 3, word);
676 677 678 679 680 681

	/*
	 * Register descriptor details in skb frame descriptor.
	 */
	skbdesc->desc = txd;
	skbdesc->desc_len = TXD_DESC_SIZE;
682 683 684 685 686
}

/*
 * TX data initialization
 */
687 688
static void rt2800pci_write_beacon(struct queue_entry *entry,
				   struct txentry_desc *txdesc)
689 690
{
	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
691
	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
692 693 694 695 696 697 698
	unsigned int beacon_base;
	u32 reg;

	/*
	 * Disable beaconing while we are reloading the beacon data,
	 * otherwise we might be sending out invalid data.
	 */
699
	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
700
	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
701
	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
702

703 704 705 706 707 708
	/*
	 * Register descriptor details in skb frame descriptor.
	 */
	skbdesc->desc = entry->skb->data - TXWI_DESC_SIZE;
	skbdesc->desc_len = TXWI_DESC_SIZE;

709
	/*
710 711 712
	 * Add the TXWI for the beacon to the skb.
	 */
	rt2800_write_txwi(entry->skb, txdesc);
713 714 715 716 717 718 719 720 721

	/*
	 * Dump beacon to userspace through debugfs.
	 */
	rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);

	/*
	 * Adjust skb to take TXWI into account.
	 */
722 723 724 725
	skb_push(entry->skb, TXWI_DESC_SIZE);

	/*
	 * Write entire beacon with TXWI to register.
726 727
	 */
	beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
728 729
	rt2800_register_multiwrite(rt2x00dev, beacon_base,
				   entry->skb->data, entry->skb->len);
730

731 732 733 734 735 736 737 738
	/*
	 * Enable beaconing again.
	 */
	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
	rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);

739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762
	/*
	 * Clean up beacon skb.
	 */
	dev_kfree_skb_any(entry->skb);
	entry->skb = NULL;
}

static void rt2800pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
				    const enum data_queue_qid queue_idx)
{
	struct data_queue *queue;
	unsigned int idx, qidx = 0;

	if (queue_idx > QID_HCCA && queue_idx != QID_MGMT)
		return;

	queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
	idx = queue->index[Q_INDEX];

	if (queue_idx == QID_MGMT)
		qidx = 5;
	else
		qidx = queue_idx;

763
	rt2800_register_write(rt2x00dev, TX_CTX_IDX(qidx), idx);
764 765 766 767 768 769 770 771
}

static void rt2800pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
				    const enum data_queue_qid qid)
{
	u32 reg;

	if (qid == QID_BEACON) {
772
		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, 0);
773 774 775
		return;
	}

776
	rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
777 778 779 780
	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, (qid == QID_AC_BE));
	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, (qid == QID_AC_BK));
	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, (qid == QID_AC_VI));
	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, (qid == QID_AC_VO));
781
	rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
782 783 784 785 786 787 788 789 790 791 792
}

/*
 * RX control handlers
 */
static void rt2800pci_fill_rxdone(struct queue_entry *entry,
				  struct rxdone_entry_desc *rxdesc)
{
	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
	__le32 *rxd = entry_priv->desc;
793 794 795 796 797
	u32 word;

	rt2x00_desc_read(rxd, 3, &word);

	if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR))
798 799
		rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;

800 801 802 803 804
	/*
	 * Unfortunately we don't know the cipher type used during
	 * decryption. This prevents us from correct providing
	 * correct statistics through debugfs.
	 */
805
	rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR);
806

807
	if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) {
808 809 810 811 812 813 814 815 816 817 818 819 820 821
		/*
		 * Hardware has stripped IV/EIV data from 802.11 frame during
		 * decryption. Unfortunately the descriptor doesn't contain
		 * any fields with the EIV/IV data either, so they can't
		 * be restored by rt2x00lib.
		 */
		rxdesc->flags |= RX_FLAG_IV_STRIPPED;

		if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
			rxdesc->flags |= RX_FLAG_DECRYPTED;
		else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
			rxdesc->flags |= RX_FLAG_MMIC_ERROR;
	}

822
	if (rt2x00_get_field32(word, RXD_W3_MY_BSS))
823 824
		rxdesc->dev_flags |= RXDONE_MY_BSS;

825
	if (rt2x00_get_field32(word, RXD_W3_L2PAD))
826 827 828
		rxdesc->dev_flags |= RXDONE_L2PAD;

	/*
829
	 * Process the RXWI structure that is at the start of the buffer.
830
	 */
831
	rt2800_process_rxwi(entry->skb, rxdesc);
832 833 834 835 836

	/*
	 * Set RX IDX in register to inform hardware that we have handled
	 * this entry and it is available for reuse again.
	 */
837
	rt2800_register_write(rt2x00dev, RX_CRX_IDX, entry->entry_idx);
838 839 840 841 842 843 844 845 846
}

/*
 * Interrupt functions.
 */
static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
{
	struct data_queue *queue;
	struct queue_entry *entry;
847
	__le32 *txwi;
848 849 850 851
	struct txdone_entry_desc txdesc;
	u32 word;
	u32 reg;
	u32 old_reg;
852
	int wcid, ack, pid, tx_wcid, tx_ack, tx_pid;
853 854 855 856 857 858 859 860 861 862 863 864 865
	u16 mcs, real_mcs;

	/*
	 * During each loop we will compare the freshly read
	 * TX_STA_FIFO register value with the value read from
	 * the previous loop. If the 2 values are equal then
	 * we should stop processing because the chance it
	 * quite big that the device has been unplugged and
	 * we risk going into an endless loop.
	 */
	old_reg = 0;

	while (1) {
866
		rt2800_register_read(rt2x00dev, TX_STA_FIFO, &reg);
867 868 869 870 871 872 873
		if (!rt2x00_get_field32(reg, TX_STA_FIFO_VALID))
			break;

		if (old_reg == reg)
			break;
		old_reg = reg;

874 875 876 877
		wcid    = rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
		ack     = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
		pid     = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);

878 879 880 881
		/*
		 * Skip this entry when it contains an invalid
		 * queue identication number.
		 */
882
		if (pid <= 0 || pid > QID_RX)
883 884
			continue;

885
		queue = rt2x00queue_get_queue(rt2x00dev, pid - 1);
886 887 888 889
		if (unlikely(!queue))
			continue;

		/*
890 891
		 * Inside each queue, we process each entry in a chronological
		 * order. We first check that the queue is not empty.
892
		 */
893
		if (rt2x00queue_empty(queue))
894
			continue;
895
		entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
896

897 898 899 900 901 902 903 904 905 906 907 908
		/* Check if we got a match by looking at WCID/ACK/PID
		 * fields */
		txwi = (__le32 *)(entry->skb->data -
				  rt2x00dev->ops->extra_tx_headroom);

		rt2x00_desc_read(txwi, 1, &word);
		tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
		tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
		tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);

		if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid))
			WARNING(rt2x00dev, "invalid TX_STA_FIFO content\n");
909 910 911 912 913

		/*
		 * Obtain the status about this packet.
		 */
		txdesc.flags = 0;
914 915 916
		rt2x00_desc_read(txwi, 0, &word);
		mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
		real_mcs = rt2x00_get_field32(reg, TX_STA_FIFO_MCS);
917 918 919

		/*
		 * Ralink has a retry mechanism using a global fallback
920 921 922 923
		 * table. We setup this fallback table to try the immediate
		 * lower rate for all rates. In the TX_STA_FIFO, the MCS field
		 * always contains the MCS used for the last transmission, be
		 * it successful or not.
924
		 */
925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941
		if (rt2x00_get_field32(reg, TX_STA_FIFO_TX_SUCCESS)) {
			/*
			 * Transmission succeeded. The number of retries is
			 * mcs - real_mcs
			 */
			__set_bit(TXDONE_SUCCESS, &txdesc.flags);
			txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0);
		} else {
			/*
			 * Transmission failed. The number of retries is
			 * always 7 in this case (for a total number of 8
			 * frames sent).
			 */
			__set_bit(TXDONE_FAILURE, &txdesc.flags);
			txdesc.retry = 7;
		}

942
		__set_bit(TXDONE_FALLBACK, &txdesc.flags);
943

944 945 946 947 948

		rt2x00lib_txdone(entry, &txdesc);
	}
}

949 950 951 952 953 954 955 956
static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev)
{
	struct ieee80211_conf conf = { .flags = 0 };
	struct rt2x00lib_conf libconf = { .conf = &conf };

	rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS);
}

957 958 959 960 961 962
static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
{
	struct rt2x00_dev *rt2x00dev = dev_instance;
	u32 reg;

	/* Read status and ACK all interrupts */
963 964
	rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
	rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980

	if (!reg)
		return IRQ_NONE;

	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
		return IRQ_HANDLED;

	/*
	 * 1 - Rx ring done interrupt.
	 */
	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE))
		rt2x00pci_rxdone(rt2x00dev);

	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS))
		rt2800pci_txdone(rt2x00dev);

981 982 983
	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP))
		rt2800pci_wakeup(rt2x00dev);

984 985 986 987 988 989
	return IRQ_HANDLED;
}

/*
 * Device probe functions.
 */
990 991 992 993 994
static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
{
	/*
	 * Read EEPROM into buffer
	 */
995
	if (rt2x00_is_soc(rt2x00dev))
996
		rt2800pci_read_eeprom_soc(rt2x00dev);
997 998 999 1000
	else if (rt2800pci_efuse_detect(rt2x00dev))
		rt2800pci_read_eeprom_efuse(rt2x00dev);
	else
		rt2800pci_read_eeprom_pci(rt2x00dev);
1001 1002 1003 1004

	return rt2800_validate_eeprom(rt2x00dev);
}

1005 1006
static const struct rt2800_ops rt2800pci_rt2800_ops = {
	.register_read		= rt2x00pci_register_read,
1007
	.register_read_lock	= rt2x00pci_register_read, /* same for PCI */
1008 1009 1010 1011 1012 1013 1014 1015 1016
	.register_write		= rt2x00pci_register_write,
	.register_write_lock	= rt2x00pci_register_write, /* same for PCI */

	.register_multiread	= rt2x00pci_register_multiread,
	.register_multiwrite	= rt2x00pci_register_multiwrite,

	.regbusy_read		= rt2x00pci_regbusy_read,
};

1017 1018 1019 1020
static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
{
	int retval;

1021 1022
	rt2x00dev->priv = (void *)&rt2800pci_rt2800_ops;

1023 1024 1025 1026 1027 1028 1029
	/*
	 * Allocate eeprom data.
	 */
	retval = rt2800pci_validate_eeprom(rt2x00dev);
	if (retval)
		return retval;

1030
	retval = rt2800_init_eeprom(rt2x00dev);
1031 1032 1033 1034 1035 1036
	if (retval)
		return retval;

	/*
	 * Initialize hw specifications.
	 */
1037
	retval = rt2800_probe_hw_mode(rt2x00dev);
1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050
	if (retval)
		return retval;

	/*
	 * This device has multiple filters for control frames
	 * and has a separate filter for PS Poll frames.
	 */
	__set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags);
	__set_bit(DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, &rt2x00dev->flags);

	/*
	 * This device requires firmware.
	 */
1051
	if (!rt2x00_is_soc(rt2x00dev))
1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076
		__set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
	__set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags);
	__set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags);
	if (!modparam_nohwcrypt)
		__set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);

	/*
	 * Set the rssi offset.
	 */
	rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;

	return 0;
}

static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
	.irq_handler		= rt2800pci_interrupt,
	.probe_hw		= rt2800pci_probe_hw,
	.get_firmware_name	= rt2800pci_get_firmware_name,
	.check_firmware		= rt2800pci_check_firmware,
	.load_firmware		= rt2800pci_load_firmware,
	.initialize		= rt2x00pci_initialize,
	.uninitialize		= rt2x00pci_uninitialize,
	.get_entry_state	= rt2800pci_get_entry_state,
	.clear_entry		= rt2800pci_clear_entry,
	.set_device_state	= rt2800pci_set_device_state,
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	.rfkill_poll		= rt2800_rfkill_poll,
	.link_stats		= rt2800_link_stats,
	.reset_tuner		= rt2800_reset_tuner,
	.link_tuner		= rt2800_link_tuner,
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	.write_tx_desc		= rt2800pci_write_tx_desc,
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	.write_tx_data		= rt2800pci_write_tx_data,
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	.write_beacon		= rt2800pci_write_beacon,
	.kick_tx_queue		= rt2800pci_kick_tx_queue,
	.kill_tx_queue		= rt2800pci_kill_tx_queue,
	.fill_rxdone		= rt2800pci_fill_rxdone,
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	.config_shared_key	= rt2800_config_shared_key,
	.config_pairwise_key	= rt2800_config_pairwise_key,
	.config_filter		= rt2800_config_filter,
	.config_intf		= rt2800_config_intf,
	.config_erp		= rt2800_config_erp,
	.config_ant		= rt2800_config_ant,
	.config			= rt2800_config,
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};

static const struct data_queue_desc rt2800pci_queue_rx = {
	.entry_num		= RX_ENTRIES,
	.data_size		= AGGREGATION_SIZE,
	.desc_size		= RXD_DESC_SIZE,
	.priv_size		= sizeof(struct queue_entry_priv_pci),
};

static const struct data_queue_desc rt2800pci_queue_tx = {
	.entry_num		= TX_ENTRIES,
	.data_size		= AGGREGATION_SIZE,
	.desc_size		= TXD_DESC_SIZE,
	.priv_size		= sizeof(struct queue_entry_priv_pci),
};

static const struct data_queue_desc rt2800pci_queue_bcn = {
	.entry_num		= 8 * BEACON_ENTRIES,
	.data_size		= 0, /* No DMA required for beacons */
	.desc_size		= TXWI_DESC_SIZE,
	.priv_size		= sizeof(struct queue_entry_priv_pci),
};

static const struct rt2x00_ops rt2800pci_ops = {
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	.name			= KBUILD_MODNAME,
	.max_sta_intf		= 1,
	.max_ap_intf		= 8,
	.eeprom_size		= EEPROM_SIZE,
	.rf_size		= RF_SIZE,
	.tx_queues		= NUM_TX_QUEUES,
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	.extra_tx_headroom	= TXWI_DESC_SIZE,
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	.rx			= &rt2800pci_queue_rx,
	.tx			= &rt2800pci_queue_tx,
	.bcn			= &rt2800pci_queue_bcn,
	.lib			= &rt2800pci_rt2x00_ops,
	.hw			= &rt2800_mac80211_ops,
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#ifdef CONFIG_RT2X00_LIB_DEBUGFS
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	.debugfs		= &rt2800_rt2x00debug,
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#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
};

/*
 * RT2800pci module information.
 */
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#ifdef CONFIG_RT2800PCI_PCI
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static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = {
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	{ PCI_DEVICE(0x1814, 0x0601), PCI_DEVICE_DATA(&rt2800pci_ops) },
	{ PCI_DEVICE(0x1814, 0x0681), PCI_DEVICE_DATA(&rt2800pci_ops) },
	{ PCI_DEVICE(0x1814, 0x0701), PCI_DEVICE_DATA(&rt2800pci_ops) },
	{ PCI_DEVICE(0x1814, 0x0781), PCI_DEVICE_DATA(&rt2800pci_ops) },
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	{ PCI_DEVICE(0x1432, 0x7708), PCI_DEVICE_DATA(&rt2800pci_ops) },
	{ PCI_DEVICE(0x1432, 0x7727), PCI_DEVICE_DATA(&rt2800pci_ops) },
	{ PCI_DEVICE(0x1432, 0x7728), PCI_DEVICE_DATA(&rt2800pci_ops) },
	{ PCI_DEVICE(0x1432, 0x7738), PCI_DEVICE_DATA(&rt2800pci_ops) },
	{ PCI_DEVICE(0x1432, 0x7748), PCI_DEVICE_DATA(&rt2800pci_ops) },
	{ PCI_DEVICE(0x1432, 0x7758), PCI_DEVICE_DATA(&rt2800pci_ops) },
	{ PCI_DEVICE(0x1432, 0x7768), PCI_DEVICE_DATA(&rt2800pci_ops) },
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	{ PCI_DEVICE(0x1a3b, 0x1059), PCI_DEVICE_DATA(&rt2800pci_ops) },
#ifdef CONFIG_RT2800PCI_RT30XX
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	{ PCI_DEVICE(0x1814, 0x3090), PCI_DEVICE_DATA(&rt2800pci_ops) },
	{ PCI_DEVICE(0x1814, 0x3091), PCI_DEVICE_DATA(&rt2800pci_ops) },
	{ PCI_DEVICE(0x1814, 0x3092), PCI_DEVICE_DATA(&rt2800pci_ops) },
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	{ PCI_DEVICE(0x1462, 0x891a), PCI_DEVICE_DATA(&rt2800pci_ops) },
#endif
#ifdef CONFIG_RT2800PCI_RT35XX
	{ PCI_DEVICE(0x1814, 0x3060), PCI_DEVICE_DATA(&rt2800pci_ops) },
	{ PCI_DEVICE(0x1814, 0x3062), PCI_DEVICE_DATA(&rt2800pci_ops) },
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	{ PCI_DEVICE(0x1814, 0x3562), PCI_DEVICE_DATA(&rt2800pci_ops) },
	{ PCI_DEVICE(0x1814, 0x3592), PCI_DEVICE_DATA(&rt2800pci_ops) },
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	{ PCI_DEVICE(0x1814, 0x3593), PCI_DEVICE_DATA(&rt2800pci_ops) },
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#endif
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	{ 0, }
};
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#endif /* CONFIG_RT2800PCI_PCI */
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MODULE_AUTHOR(DRV_PROJECT);
MODULE_VERSION(DRV_VERSION);
MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver.");
MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards");
#ifdef CONFIG_RT2800PCI_PCI
MODULE_FIRMWARE(FIRMWARE_RT2860);
MODULE_DEVICE_TABLE(pci, rt2800pci_device_table);
#endif /* CONFIG_RT2800PCI_PCI */
MODULE_LICENSE("GPL");

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#ifdef CONFIG_RT2800PCI_SOC
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static int rt2800soc_probe(struct platform_device *pdev)
{
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	return rt2x00soc_probe(pdev, &rt2800pci_ops);
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}
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static struct platform_driver rt2800soc_driver = {
	.driver		= {
		.name		= "rt2800_wmac",
		.owner		= THIS_MODULE,
		.mod_name	= KBUILD_MODNAME,
	},
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	.probe		= rt2800soc_probe,
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	.remove		= __devexit_p(rt2x00soc_remove),
	.suspend	= rt2x00soc_suspend,
	.resume		= rt2x00soc_resume,
};
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#endif /* CONFIG_RT2800PCI_SOC */
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#ifdef CONFIG_RT2800PCI_PCI
static struct pci_driver rt2800pci_driver = {
	.name		= KBUILD_MODNAME,
	.id_table	= rt2800pci_device_table,
	.probe		= rt2x00pci_probe,
	.remove		= __devexit_p(rt2x00pci_remove),
	.suspend	= rt2x00pci_suspend,
	.resume		= rt2x00pci_resume,
};
#endif /* CONFIG_RT2800PCI_PCI */

static int __init rt2800pci_init(void)
{
	int ret = 0;

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#ifdef CONFIG_RT2800PCI_SOC
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	ret = platform_driver_register(&rt2800soc_driver);
	if (ret)
		return ret;
#endif
#ifdef CONFIG_RT2800PCI_PCI
	ret = pci_register_driver(&rt2800pci_driver);
	if (ret) {
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#ifdef CONFIG_RT2800PCI_SOC
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		platform_driver_unregister(&rt2800soc_driver);
#endif
		return ret;
	}
#endif

	return ret;
}

static void __exit rt2800pci_exit(void)
{
#ifdef CONFIG_RT2800PCI_PCI
	pci_unregister_driver(&rt2800pci_driver);
#endif
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#ifdef CONFIG_RT2800PCI_SOC
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	platform_driver_unregister(&rt2800soc_driver);
#endif
}

module_init(rt2800pci_init);
module_exit(rt2800pci_exit);