1363 lines
39 KiB
C
1363 lines
39 KiB
C
/*
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Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
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Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
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Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
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Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
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Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
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Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
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Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
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Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@gmail.com>
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<http://rt2x00.serialmonkey.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the
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Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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Module: rt2800pci
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Abstract: rt2800pci device specific routines.
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Supported chipsets: RT2800E & RT2800ED.
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*/
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#include <linux/delay.h>
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#include <linux/etherdevice.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <linux/platform_device.h>
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#include <linux/eeprom_93cx6.h>
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#include "rt2x00.h"
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#include "rt2x00pci.h"
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#include "rt2x00soc.h"
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#include "rt2800lib.h"
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#include "rt2800.h"
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#include "rt2800pci.h"
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/*
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* Allow hardware encryption to be disabled.
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*/
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static bool modparam_nohwcrypt = false;
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module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
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MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
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static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
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{
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unsigned int i;
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u32 reg;
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/*
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* SOC devices don't support MCU requests.
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*/
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if (rt2x00_is_soc(rt2x00dev))
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return;
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for (i = 0; i < 200; i++) {
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rt2x00pci_register_read(rt2x00dev, H2M_MAILBOX_CID, ®);
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if ((rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD0) == token) ||
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(rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD1) == token) ||
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(rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD2) == token) ||
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(rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD3) == token))
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break;
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udelay(REGISTER_BUSY_DELAY);
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}
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if (i == 200)
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ERROR(rt2x00dev, "MCU request failed, no response from hardware\n");
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rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
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rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
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}
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#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
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static void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
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{
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void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE);
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memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
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iounmap(base_addr);
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}
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#else
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static inline void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
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{
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}
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#endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */
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#ifdef CONFIG_PCI
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static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
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{
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struct rt2x00_dev *rt2x00dev = eeprom->data;
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u32 reg;
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rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, ®);
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eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN);
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eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT);
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eeprom->reg_data_clock =
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!!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK);
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eeprom->reg_chip_select =
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!!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT);
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}
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static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
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{
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struct rt2x00_dev *rt2x00dev = eeprom->data;
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u32 reg = 0;
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rt2x00_set_field32(®, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in);
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rt2x00_set_field32(®, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out);
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rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK,
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!!eeprom->reg_data_clock);
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rt2x00_set_field32(®, E2PROM_CSR_CHIP_SELECT,
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!!eeprom->reg_chip_select);
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rt2x00pci_register_write(rt2x00dev, E2PROM_CSR, reg);
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}
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static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
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{
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struct eeprom_93cx6 eeprom;
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u32 reg;
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rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, ®);
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eeprom.data = rt2x00dev;
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eeprom.register_read = rt2800pci_eepromregister_read;
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eeprom.register_write = rt2800pci_eepromregister_write;
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switch (rt2x00_get_field32(reg, E2PROM_CSR_TYPE))
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{
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case 0:
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eeprom.width = PCI_EEPROM_WIDTH_93C46;
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break;
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case 1:
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eeprom.width = PCI_EEPROM_WIDTH_93C66;
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break;
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default:
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eeprom.width = PCI_EEPROM_WIDTH_93C86;
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break;
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}
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eeprom.reg_data_in = 0;
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eeprom.reg_data_out = 0;
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eeprom.reg_data_clock = 0;
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eeprom.reg_chip_select = 0;
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eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
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EEPROM_SIZE / sizeof(u16));
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}
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static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
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{
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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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}
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#else
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static inline void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
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{
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}
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static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
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{
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return 0;
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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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}
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#endif /* CONFIG_PCI */
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/*
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* Queue handlers.
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*/
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static void rt2800pci_start_queue(struct data_queue *queue)
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{
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struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
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u32 reg;
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switch (queue->qid) {
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case QID_RX:
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rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, ®);
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rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 1);
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rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
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break;
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case QID_BEACON:
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rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, ®);
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rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1);
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rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1);
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rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1);
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rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
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rt2x00pci_register_read(rt2x00dev, INT_TIMER_EN, ®);
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rt2x00_set_field32(®, INT_TIMER_EN_PRE_TBTT_TIMER, 1);
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rt2x00pci_register_write(rt2x00dev, INT_TIMER_EN, reg);
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break;
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default:
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break;
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}
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}
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static void rt2800pci_kick_queue(struct data_queue *queue)
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{
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struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
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struct queue_entry *entry;
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switch (queue->qid) {
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case QID_AC_VO:
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case QID_AC_VI:
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case QID_AC_BE:
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case QID_AC_BK:
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entry = rt2x00queue_get_entry(queue, Q_INDEX);
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rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(queue->qid),
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entry->entry_idx);
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break;
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case QID_MGMT:
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entry = rt2x00queue_get_entry(queue, Q_INDEX);
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rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(5),
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entry->entry_idx);
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break;
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default:
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break;
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}
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}
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static void rt2800pci_stop_queue(struct data_queue *queue)
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{
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struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
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u32 reg;
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switch (queue->qid) {
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case QID_RX:
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rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, ®);
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rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0);
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rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
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break;
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case QID_BEACON:
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rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, ®);
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rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 0);
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rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 0);
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rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0);
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rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
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rt2x00pci_register_read(rt2x00dev, INT_TIMER_EN, ®);
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rt2x00_set_field32(®, INT_TIMER_EN_PRE_TBTT_TIMER, 0);
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rt2x00pci_register_write(rt2x00dev, INT_TIMER_EN, reg);
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/*
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* Wait for current invocation to finish. The tasklet
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* won't be scheduled anymore afterwards since we disabled
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* the TBTT and PRE TBTT timer.
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*/
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tasklet_kill(&rt2x00dev->tbtt_tasklet);
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tasklet_kill(&rt2x00dev->pretbtt_tasklet);
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break;
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default:
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break;
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}
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}
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/*
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* Firmware functions
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*/
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static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
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{
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/*
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* Chip rt3290 use specific 4KB firmware named rt3290.bin.
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*/
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if (rt2x00_rt(rt2x00dev, RT3290))
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return FIRMWARE_RT3290;
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else
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return FIRMWARE_RT2860;
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}
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static int rt2800pci_write_firmware(struct rt2x00_dev *rt2x00dev,
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const u8 *data, const size_t len)
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{
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u32 reg;
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/*
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* enable Host program ram write selection
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*/
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reg = 0;
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rt2x00_set_field32(®, PBF_SYS_CTRL_HOST_RAM_WRITE, 1);
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rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, reg);
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/*
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* Write firmware to device.
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*/
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rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
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data, len);
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rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000);
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rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001);
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rt2x00pci_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
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rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
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return 0;
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}
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/*
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* Initialization functions.
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*/
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static bool rt2800pci_get_entry_state(struct queue_entry *entry)
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{
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struct queue_entry_priv_pci *entry_priv = entry->priv_data;
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u32 word;
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if (entry->queue->qid == QID_RX) {
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rt2x00_desc_read(entry_priv->desc, 1, &word);
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return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE));
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} else {
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rt2x00_desc_read(entry_priv->desc, 1, &word);
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return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE));
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}
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}
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static void rt2800pci_clear_entry(struct queue_entry *entry)
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{
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struct queue_entry_priv_pci *entry_priv = entry->priv_data;
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struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
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struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
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u32 word;
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if (entry->queue->qid == QID_RX) {
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rt2x00_desc_read(entry_priv->desc, 0, &word);
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rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma);
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rt2x00_desc_write(entry_priv->desc, 0, word);
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rt2x00_desc_read(entry_priv->desc, 1, &word);
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rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0);
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rt2x00_desc_write(entry_priv->desc, 1, word);
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/*
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* Set RX IDX in register to inform hardware that we have
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* handled this entry and it is available for reuse again.
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*/
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rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX,
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entry->entry_idx);
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} else {
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rt2x00_desc_read(entry_priv->desc, 1, &word);
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rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1);
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rt2x00_desc_write(entry_priv->desc, 1, word);
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}
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}
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static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
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{
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struct queue_entry_priv_pci *entry_priv;
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/*
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* Initialize registers.
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*/
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entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
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rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma);
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rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT0,
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rt2x00dev->tx[0].limit);
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rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX0, 0);
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rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX0, 0);
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entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
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rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma);
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rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT1,
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rt2x00dev->tx[1].limit);
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rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX1, 0);
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rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX1, 0);
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entry_priv = rt2x00dev->tx[2].entries[0].priv_data;
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rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma);
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rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT2,
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rt2x00dev->tx[2].limit);
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rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX2, 0);
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rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX2, 0);
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entry_priv = rt2x00dev->tx[3].entries[0].priv_data;
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rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma);
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rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT3,
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rt2x00dev->tx[3].limit);
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rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX3, 0);
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rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX3, 0);
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rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR4, 0);
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rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT4, 0);
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rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX4, 0);
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rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX4, 0);
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rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR5, 0);
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rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT5, 0);
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rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX5, 0);
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rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX5, 0);
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entry_priv = rt2x00dev->rx->entries[0].priv_data;
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rt2x00pci_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma);
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rt2x00pci_register_write(rt2x00dev, RX_MAX_CNT,
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rt2x00dev->rx[0].limit);
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rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX,
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rt2x00dev->rx[0].limit - 1);
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rt2x00pci_register_write(rt2x00dev, RX_DRX_IDX, 0);
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rt2800_disable_wpdma(rt2x00dev);
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rt2x00pci_register_write(rt2x00dev, DELAY_INT_CFG, 0);
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return 0;
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}
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/*
|
|
* Device state switch handlers.
|
|
*/
|
|
static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
|
|
enum dev_state state)
|
|
{
|
|
u32 reg;
|
|
unsigned long flags;
|
|
|
|
/*
|
|
* When interrupts are being enabled, the interrupt registers
|
|
* should clear the register to assure a clean state.
|
|
*/
|
|
if (state == STATE_RADIO_IRQ_ON) {
|
|
rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®);
|
|
rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
|
|
}
|
|
|
|
spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags);
|
|
reg = 0;
|
|
if (state == STATE_RADIO_IRQ_ON) {
|
|
rt2x00_set_field32(®, INT_MASK_CSR_RX_DONE, 1);
|
|
rt2x00_set_field32(®, INT_MASK_CSR_TBTT, 1);
|
|
rt2x00_set_field32(®, INT_MASK_CSR_PRE_TBTT, 1);
|
|
rt2x00_set_field32(®, INT_MASK_CSR_TX_FIFO_STATUS, 1);
|
|
rt2x00_set_field32(®, INT_MASK_CSR_AUTO_WAKEUP, 1);
|
|
}
|
|
rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
|
|
spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags);
|
|
|
|
if (state == STATE_RADIO_IRQ_OFF) {
|
|
/*
|
|
* Wait for possibly running tasklets to finish.
|
|
*/
|
|
tasklet_kill(&rt2x00dev->txstatus_tasklet);
|
|
tasklet_kill(&rt2x00dev->rxdone_tasklet);
|
|
tasklet_kill(&rt2x00dev->autowake_tasklet);
|
|
tasklet_kill(&rt2x00dev->tbtt_tasklet);
|
|
tasklet_kill(&rt2x00dev->pretbtt_tasklet);
|
|
}
|
|
}
|
|
|
|
static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
|
|
{
|
|
u32 reg;
|
|
|
|
/*
|
|
* Reset DMA indexes
|
|
*/
|
|
rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, ®);
|
|
rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1);
|
|
rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1);
|
|
rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1);
|
|
rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1);
|
|
rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1);
|
|
rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1);
|
|
rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1);
|
|
rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
|
|
|
|
rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
|
|
rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
|
|
|
|
if (rt2x00_is_pcie(rt2x00dev) &&
|
|
(rt2x00_rt(rt2x00dev, RT3572) ||
|
|
rt2x00_rt(rt2x00dev, RT5390) ||
|
|
rt2x00_rt(rt2x00dev, RT5392))) {
|
|
rt2x00pci_register_read(rt2x00dev, AUX_CTRL, ®);
|
|
rt2x00_set_field32(®, AUX_CTRL_FORCE_PCIE_CLK, 1);
|
|
rt2x00_set_field32(®, AUX_CTRL_WAKE_PCIE_EN, 1);
|
|
rt2x00pci_register_write(rt2x00dev, AUX_CTRL, reg);
|
|
}
|
|
|
|
rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
|
|
|
|
reg = 0;
|
|
rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_CSR, 1);
|
|
rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_BBP, 1);
|
|
rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
|
|
|
|
rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
|
|
{
|
|
int retval;
|
|
|
|
/* Wait for DMA, ignore error until we initialize queues. */
|
|
rt2800_wait_wpdma_ready(rt2x00dev);
|
|
|
|
if (unlikely(rt2800pci_init_queues(rt2x00dev)))
|
|
return -EIO;
|
|
|
|
retval = rt2800_enable_radio(rt2x00dev);
|
|
if (retval)
|
|
return retval;
|
|
|
|
/* After resume MCU_BOOT_SIGNAL will trash these. */
|
|
rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
|
|
rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
|
|
|
|
rt2800_mcu_request(rt2x00dev, MCU_SLEEP, TOKEN_RADIO_OFF, 0xff, 0x02);
|
|
rt2800pci_mcu_status(rt2x00dev, TOKEN_RADIO_OFF);
|
|
|
|
rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKEUP, 0, 0);
|
|
rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKEUP);
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
|
|
{
|
|
if (rt2x00_is_soc(rt2x00dev)) {
|
|
rt2800_disable_radio(rt2x00dev);
|
|
rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0);
|
|
rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, 0);
|
|
}
|
|
}
|
|
|
|
static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
|
|
enum dev_state state)
|
|
{
|
|
if (state == STATE_AWAKE) {
|
|
rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKEUP,
|
|
0, 0x02);
|
|
rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKEUP);
|
|
} else if (state == STATE_SLEEP) {
|
|
rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS,
|
|
0xffffffff);
|
|
rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID,
|
|
0xffffffff);
|
|
rt2800_mcu_request(rt2x00dev, MCU_SLEEP, TOKEN_SLEEP,
|
|
0xff, 0x01);
|
|
}
|
|
|
|
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:
|
|
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_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
|
|
*/
|
|
static __le32 *rt2800pci_get_txwi(struct queue_entry *entry)
|
|
{
|
|
return (__le32 *) entry->skb->data;
|
|
}
|
|
|
|
static void rt2800pci_write_tx_desc(struct queue_entry *entry,
|
|
struct txentry_desc *txdesc)
|
|
{
|
|
struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
|
|
struct queue_entry_priv_pci *entry_priv = entry->priv_data;
|
|
__le32 *txd = entry_priv->desc;
|
|
u32 word;
|
|
|
|
/*
|
|
* 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
|
|
*/
|
|
word = 0;
|
|
rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma);
|
|
rt2x00_desc_write(txd, 0, word);
|
|
|
|
word = 0;
|
|
rt2x00_set_field32(&word, TXD_W1_SD_LEN1, entry->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));
|
|
rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE);
|
|
rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0);
|
|
rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0);
|
|
rt2x00_desc_write(txd, 1, word);
|
|
|
|
word = 0;
|
|
rt2x00_set_field32(&word, TXD_W2_SD_PTR1,
|
|
skbdesc->skb_dma + TXWI_DESC_SIZE);
|
|
rt2x00_desc_write(txd, 2, word);
|
|
|
|
word = 0;
|
|
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);
|
|
|
|
/*
|
|
* Register descriptor details in skb frame descriptor.
|
|
*/
|
|
skbdesc->desc = txd;
|
|
skbdesc->desc_len = TXD_DESC_SIZE;
|
|
}
|
|
|
|
/*
|
|
* RX control handlers
|
|
*/
|
|
static void rt2800pci_fill_rxdone(struct queue_entry *entry,
|
|
struct rxdone_entry_desc *rxdesc)
|
|
{
|
|
struct queue_entry_priv_pci *entry_priv = entry->priv_data;
|
|
__le32 *rxd = entry_priv->desc;
|
|
u32 word;
|
|
|
|
rt2x00_desc_read(rxd, 3, &word);
|
|
|
|
if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR))
|
|
rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
|
|
|
|
/*
|
|
* Unfortunately we don't know the cipher type used during
|
|
* decryption. This prevents us from correct providing
|
|
* correct statistics through debugfs.
|
|
*/
|
|
rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR);
|
|
|
|
if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) {
|
|
/*
|
|
* 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;
|
|
|
|
/*
|
|
* The hardware has already checked the Michael Mic and has
|
|
* stripped it from the frame. Signal this to mac80211.
|
|
*/
|
|
rxdesc->flags |= RX_FLAG_MMIC_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;
|
|
}
|
|
|
|
if (rt2x00_get_field32(word, RXD_W3_MY_BSS))
|
|
rxdesc->dev_flags |= RXDONE_MY_BSS;
|
|
|
|
if (rt2x00_get_field32(word, RXD_W3_L2PAD))
|
|
rxdesc->dev_flags |= RXDONE_L2PAD;
|
|
|
|
/*
|
|
* Process the RXWI structure that is at the start of the buffer.
|
|
*/
|
|
rt2800_process_rxwi(entry, rxdesc);
|
|
}
|
|
|
|
/*
|
|
* Interrupt functions.
|
|
*/
|
|
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);
|
|
}
|
|
|
|
static bool rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
|
|
{
|
|
struct data_queue *queue;
|
|
struct queue_entry *entry;
|
|
u32 status;
|
|
u8 qid;
|
|
int max_tx_done = 16;
|
|
|
|
while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) {
|
|
qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE);
|
|
if (unlikely(qid >= QID_RX)) {
|
|
/*
|
|
* Unknown queue, this shouldn't happen. Just drop
|
|
* this tx status.
|
|
*/
|
|
WARNING(rt2x00dev, "Got TX status report with "
|
|
"unexpected pid %u, dropping\n", qid);
|
|
break;
|
|
}
|
|
|
|
queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
|
|
if (unlikely(queue == NULL)) {
|
|
/*
|
|
* The queue is NULL, this shouldn't happen. Stop
|
|
* processing here and drop the tx status
|
|
*/
|
|
WARNING(rt2x00dev, "Got TX status for an unavailable "
|
|
"queue %u, dropping\n", qid);
|
|
break;
|
|
}
|
|
|
|
if (unlikely(rt2x00queue_empty(queue))) {
|
|
/*
|
|
* The queue is empty. Stop processing here
|
|
* and drop the tx status.
|
|
*/
|
|
WARNING(rt2x00dev, "Got TX status for an empty "
|
|
"queue %u, dropping\n", qid);
|
|
break;
|
|
}
|
|
|
|
entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
|
|
rt2800_txdone_entry(entry, status, rt2800pci_get_txwi(entry));
|
|
|
|
if (--max_tx_done == 0)
|
|
break;
|
|
}
|
|
|
|
return !max_tx_done;
|
|
}
|
|
|
|
static inline void rt2800pci_enable_interrupt(struct rt2x00_dev *rt2x00dev,
|
|
struct rt2x00_field32 irq_field)
|
|
{
|
|
u32 reg;
|
|
|
|
/*
|
|
* Enable a single interrupt. The interrupt mask register
|
|
* access needs locking.
|
|
*/
|
|
spin_lock_irq(&rt2x00dev->irqmask_lock);
|
|
rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, ®);
|
|
rt2x00_set_field32(®, irq_field, 1);
|
|
rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
|
|
spin_unlock_irq(&rt2x00dev->irqmask_lock);
|
|
}
|
|
|
|
static void rt2800pci_txstatus_tasklet(unsigned long data)
|
|
{
|
|
struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
|
|
if (rt2800pci_txdone(rt2x00dev))
|
|
tasklet_schedule(&rt2x00dev->txstatus_tasklet);
|
|
|
|
/*
|
|
* No need to enable the tx status interrupt here as we always
|
|
* leave it enabled to minimize the possibility of a tx status
|
|
* register overflow. See comment in interrupt handler.
|
|
*/
|
|
}
|
|
|
|
static void rt2800pci_pretbtt_tasklet(unsigned long data)
|
|
{
|
|
struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
|
|
rt2x00lib_pretbtt(rt2x00dev);
|
|
if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
|
|
rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_PRE_TBTT);
|
|
}
|
|
|
|
static void rt2800pci_tbtt_tasklet(unsigned long data)
|
|
{
|
|
struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
|
|
struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
|
|
u32 reg;
|
|
|
|
rt2x00lib_beacondone(rt2x00dev);
|
|
|
|
if (rt2x00dev->intf_ap_count) {
|
|
/*
|
|
* The rt2800pci hardware tbtt timer is off by 1us per tbtt
|
|
* causing beacon skew and as a result causing problems with
|
|
* some powersaving clients over time. Shorten the beacon
|
|
* interval every 64 beacons by 64us to mitigate this effect.
|
|
*/
|
|
if (drv_data->tbtt_tick == (BCN_TBTT_OFFSET - 2)) {
|
|
rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, ®);
|
|
rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL,
|
|
(rt2x00dev->beacon_int * 16) - 1);
|
|
rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
|
|
} else if (drv_data->tbtt_tick == (BCN_TBTT_OFFSET - 1)) {
|
|
rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, ®);
|
|
rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL,
|
|
(rt2x00dev->beacon_int * 16));
|
|
rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
|
|
}
|
|
drv_data->tbtt_tick++;
|
|
drv_data->tbtt_tick %= BCN_TBTT_OFFSET;
|
|
}
|
|
|
|
if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
|
|
rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_TBTT);
|
|
}
|
|
|
|
static void rt2800pci_rxdone_tasklet(unsigned long data)
|
|
{
|
|
struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
|
|
if (rt2x00pci_rxdone(rt2x00dev))
|
|
tasklet_schedule(&rt2x00dev->rxdone_tasklet);
|
|
else if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
|
|
rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_RX_DONE);
|
|
}
|
|
|
|
static void rt2800pci_autowake_tasklet(unsigned long data)
|
|
{
|
|
struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
|
|
rt2800pci_wakeup(rt2x00dev);
|
|
if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
|
|
rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_AUTO_WAKEUP);
|
|
}
|
|
|
|
static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev)
|
|
{
|
|
u32 status;
|
|
int i;
|
|
|
|
/*
|
|
* The TX_FIFO_STATUS interrupt needs special care. We should
|
|
* read TX_STA_FIFO but we should do it immediately as otherwise
|
|
* the register can overflow and we would lose status reports.
|
|
*
|
|
* Hence, read the TX_STA_FIFO register and copy all tx status
|
|
* reports into a kernel FIFO which is handled in the txstatus
|
|
* tasklet. We use a tasklet to process the tx status reports
|
|
* because we can schedule the tasklet multiple times (when the
|
|
* interrupt fires again during tx status processing).
|
|
*
|
|
* Furthermore we don't disable the TX_FIFO_STATUS
|
|
* interrupt here but leave it enabled so that the TX_STA_FIFO
|
|
* can also be read while the tx status tasklet gets executed.
|
|
*
|
|
* Since we have only one producer and one consumer we don't
|
|
* need to lock the kfifo.
|
|
*/
|
|
for (i = 0; i < rt2x00dev->ops->tx->entry_num; i++) {
|
|
rt2x00pci_register_read(rt2x00dev, TX_STA_FIFO, &status);
|
|
|
|
if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID))
|
|
break;
|
|
|
|
if (!kfifo_put(&rt2x00dev->txstatus_fifo, &status)) {
|
|
WARNING(rt2x00dev, "TX status FIFO overrun,"
|
|
"drop tx status report.\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Schedule the tasklet for processing the tx status. */
|
|
tasklet_schedule(&rt2x00dev->txstatus_tasklet);
|
|
}
|
|
|
|
static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
|
|
{
|
|
struct rt2x00_dev *rt2x00dev = dev_instance;
|
|
u32 reg, mask;
|
|
|
|
/* Read status and ACK all interrupts */
|
|
rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®);
|
|
rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
|
|
|
|
if (!reg)
|
|
return IRQ_NONE;
|
|
|
|
if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
|
|
return IRQ_HANDLED;
|
|
|
|
/*
|
|
* Since INT_MASK_CSR and INT_SOURCE_CSR use the same bits
|
|
* for interrupts and interrupt masks we can just use the value of
|
|
* INT_SOURCE_CSR to create the interrupt mask.
|
|
*/
|
|
mask = ~reg;
|
|
|
|
if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) {
|
|
rt2800pci_txstatus_interrupt(rt2x00dev);
|
|
/*
|
|
* Never disable the TX_FIFO_STATUS interrupt.
|
|
*/
|
|
rt2x00_set_field32(&mask, INT_MASK_CSR_TX_FIFO_STATUS, 1);
|
|
}
|
|
|
|
if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT))
|
|
tasklet_hi_schedule(&rt2x00dev->pretbtt_tasklet);
|
|
|
|
if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT))
|
|
tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet);
|
|
|
|
if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE))
|
|
tasklet_schedule(&rt2x00dev->rxdone_tasklet);
|
|
|
|
if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP))
|
|
tasklet_schedule(&rt2x00dev->autowake_tasklet);
|
|
|
|
/*
|
|
* Disable all interrupts for which a tasklet was scheduled right now,
|
|
* the tasklet will reenable the appropriate interrupts.
|
|
*/
|
|
spin_lock(&rt2x00dev->irqmask_lock);
|
|
rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, ®);
|
|
reg &= mask;
|
|
rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
|
|
spin_unlock(&rt2x00dev->irqmask_lock);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
/*
|
|
* Device probe functions.
|
|
*/
|
|
static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
|
|
{
|
|
/*
|
|
* Read EEPROM into buffer
|
|
*/
|
|
if (rt2x00_is_soc(rt2x00dev))
|
|
rt2800pci_read_eeprom_soc(rt2x00dev);
|
|
else if (rt2800pci_efuse_detect(rt2x00dev))
|
|
rt2800pci_read_eeprom_efuse(rt2x00dev);
|
|
else
|
|
rt2800pci_read_eeprom_pci(rt2x00dev);
|
|
|
|
return rt2800_validate_eeprom(rt2x00dev);
|
|
}
|
|
|
|
static int rt2800_enable_wlan_rt3290(struct rt2x00_dev *rt2x00dev)
|
|
{
|
|
u32 reg;
|
|
int i, count;
|
|
|
|
rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, ®);
|
|
if ((rt2x00_get_field32(reg, WLAN_EN) == 1))
|
|
return 0;
|
|
|
|
rt2x00_set_field32(®, WLAN_GPIO_OUT_OE_BIT_ALL, 0xff);
|
|
rt2x00_set_field32(®, FRC_WL_ANT_SET, 1);
|
|
rt2x00_set_field32(®, WLAN_CLK_EN, 0);
|
|
rt2x00_set_field32(®, WLAN_EN, 1);
|
|
rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
|
|
|
|
udelay(REGISTER_BUSY_DELAY);
|
|
|
|
count = 0;
|
|
do {
|
|
/*
|
|
* Check PLL_LD & XTAL_RDY.
|
|
*/
|
|
for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
|
|
rt2800_register_read(rt2x00dev, CMB_CTRL, ®);
|
|
if ((rt2x00_get_field32(reg, PLL_LD) == 1) &&
|
|
(rt2x00_get_field32(reg, XTAL_RDY) == 1))
|
|
break;
|
|
udelay(REGISTER_BUSY_DELAY);
|
|
}
|
|
|
|
if (i >= REGISTER_BUSY_COUNT) {
|
|
|
|
if (count >= 10)
|
|
return -EIO;
|
|
|
|
rt2800_register_write(rt2x00dev, 0x58, 0x018);
|
|
udelay(REGISTER_BUSY_DELAY);
|
|
rt2800_register_write(rt2x00dev, 0x58, 0x418);
|
|
udelay(REGISTER_BUSY_DELAY);
|
|
rt2800_register_write(rt2x00dev, 0x58, 0x618);
|
|
udelay(REGISTER_BUSY_DELAY);
|
|
count++;
|
|
} else {
|
|
count = 0;
|
|
}
|
|
|
|
rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, ®);
|
|
rt2x00_set_field32(®, PCIE_APP0_CLK_REQ, 0);
|
|
rt2x00_set_field32(®, WLAN_CLK_EN, 1);
|
|
rt2x00_set_field32(®, WLAN_RESET, 1);
|
|
rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
|
|
udelay(10);
|
|
rt2x00_set_field32(®, WLAN_RESET, 0);
|
|
rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
|
|
udelay(10);
|
|
rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, 0x7fffffff);
|
|
} while (count != 0);
|
|
|
|
return 0;
|
|
}
|
|
static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
|
|
{
|
|
int retval;
|
|
|
|
/*
|
|
* Allocate eeprom data.
|
|
*/
|
|
retval = rt2800pci_validate_eeprom(rt2x00dev);
|
|
if (retval)
|
|
return retval;
|
|
|
|
retval = rt2800_init_eeprom(rt2x00dev);
|
|
if (retval)
|
|
return retval;
|
|
|
|
/*
|
|
* Initialize hw specifications.
|
|
*/
|
|
retval = rt2800_probe_hw_mode(rt2x00dev);
|
|
if (retval)
|
|
return retval;
|
|
|
|
/*
|
|
* In probe phase call rt2800_enable_wlan_rt3290 to enable wlan
|
|
* clk for rt3290. That avoid the MCU fail in start phase.
|
|
*/
|
|
if (rt2x00_rt(rt2x00dev, RT3290)) {
|
|
retval = rt2800_enable_wlan_rt3290(rt2x00dev);
|
|
|
|
if (retval)
|
|
return retval;
|
|
}
|
|
|
|
/*
|
|
* This device has multiple filters for control frames
|
|
* and has a separate filter for PS Poll frames.
|
|
*/
|
|
__set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
|
|
__set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
|
|
|
|
/*
|
|
* This device has a pre tbtt interrupt and thus fetches
|
|
* a new beacon directly prior to transmission.
|
|
*/
|
|
__set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags);
|
|
|
|
/*
|
|
* This device requires firmware.
|
|
*/
|
|
if (!rt2x00_is_soc(rt2x00dev))
|
|
__set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
|
|
__set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
|
|
__set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
|
|
__set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
|
|
__set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
|
|
if (!modparam_nohwcrypt)
|
|
__set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
|
|
__set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
|
|
__set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
|
|
|
|
/*
|
|
* Set the rssi offset.
|
|
*/
|
|
rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct ieee80211_ops rt2800pci_mac80211_ops = {
|
|
.tx = rt2x00mac_tx,
|
|
.start = rt2x00mac_start,
|
|
.stop = rt2x00mac_stop,
|
|
.add_interface = rt2x00mac_add_interface,
|
|
.remove_interface = rt2x00mac_remove_interface,
|
|
.config = rt2x00mac_config,
|
|
.configure_filter = rt2x00mac_configure_filter,
|
|
.set_key = rt2x00mac_set_key,
|
|
.sw_scan_start = rt2x00mac_sw_scan_start,
|
|
.sw_scan_complete = rt2x00mac_sw_scan_complete,
|
|
.get_stats = rt2x00mac_get_stats,
|
|
.get_tkip_seq = rt2800_get_tkip_seq,
|
|
.set_rts_threshold = rt2800_set_rts_threshold,
|
|
.sta_add = rt2x00mac_sta_add,
|
|
.sta_remove = rt2x00mac_sta_remove,
|
|
.bss_info_changed = rt2x00mac_bss_info_changed,
|
|
.conf_tx = rt2800_conf_tx,
|
|
.get_tsf = rt2800_get_tsf,
|
|
.rfkill_poll = rt2x00mac_rfkill_poll,
|
|
.ampdu_action = rt2800_ampdu_action,
|
|
.flush = rt2x00mac_flush,
|
|
.get_survey = rt2800_get_survey,
|
|
.get_ringparam = rt2x00mac_get_ringparam,
|
|
.tx_frames_pending = rt2x00mac_tx_frames_pending,
|
|
};
|
|
|
|
static const struct rt2800_ops rt2800pci_rt2800_ops = {
|
|
.register_read = rt2x00pci_register_read,
|
|
.register_read_lock = rt2x00pci_register_read, /* same for PCI */
|
|
.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,
|
|
.drv_write_firmware = rt2800pci_write_firmware,
|
|
.drv_init_registers = rt2800pci_init_registers,
|
|
.drv_get_txwi = rt2800pci_get_txwi,
|
|
};
|
|
|
|
static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
|
|
.irq_handler = rt2800pci_interrupt,
|
|
.txstatus_tasklet = rt2800pci_txstatus_tasklet,
|
|
.pretbtt_tasklet = rt2800pci_pretbtt_tasklet,
|
|
.tbtt_tasklet = rt2800pci_tbtt_tasklet,
|
|
.rxdone_tasklet = rt2800pci_rxdone_tasklet,
|
|
.autowake_tasklet = rt2800pci_autowake_tasklet,
|
|
.probe_hw = rt2800pci_probe_hw,
|
|
.get_firmware_name = rt2800pci_get_firmware_name,
|
|
.check_firmware = rt2800_check_firmware,
|
|
.load_firmware = rt2800_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,
|
|
.rfkill_poll = rt2800_rfkill_poll,
|
|
.link_stats = rt2800_link_stats,
|
|
.reset_tuner = rt2800_reset_tuner,
|
|
.link_tuner = rt2800_link_tuner,
|
|
.gain_calibration = rt2800_gain_calibration,
|
|
.vco_calibration = rt2800_vco_calibration,
|
|
.start_queue = rt2800pci_start_queue,
|
|
.kick_queue = rt2800pci_kick_queue,
|
|
.stop_queue = rt2800pci_stop_queue,
|
|
.flush_queue = rt2x00pci_flush_queue,
|
|
.write_tx_desc = rt2800pci_write_tx_desc,
|
|
.write_tx_data = rt2800_write_tx_data,
|
|
.write_beacon = rt2800_write_beacon,
|
|
.clear_beacon = rt2800_clear_beacon,
|
|
.fill_rxdone = rt2800pci_fill_rxdone,
|
|
.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,
|
|
.sta_add = rt2800_sta_add,
|
|
.sta_remove = rt2800_sta_remove,
|
|
};
|
|
|
|
static const struct data_queue_desc rt2800pci_queue_rx = {
|
|
.entry_num = 128,
|
|
.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 = 64,
|
|
.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,
|
|
.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 = {
|
|
.name = KBUILD_MODNAME,
|
|
.drv_data_size = sizeof(struct rt2800_drv_data),
|
|
.max_sta_intf = 1,
|
|
.max_ap_intf = 8,
|
|
.eeprom_size = EEPROM_SIZE,
|
|
.rf_size = RF_SIZE,
|
|
.tx_queues = NUM_TX_QUEUES,
|
|
.extra_tx_headroom = TXWI_DESC_SIZE,
|
|
.rx = &rt2800pci_queue_rx,
|
|
.tx = &rt2800pci_queue_tx,
|
|
.bcn = &rt2800pci_queue_bcn,
|
|
.lib = &rt2800pci_rt2x00_ops,
|
|
.drv = &rt2800pci_rt2800_ops,
|
|
.hw = &rt2800pci_mac80211_ops,
|
|
#ifdef CONFIG_RT2X00_LIB_DEBUGFS
|
|
.debugfs = &rt2800_rt2x00debug,
|
|
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
|
|
};
|
|
|
|
/*
|
|
* RT2800pci module information.
|
|
*/
|
|
#ifdef CONFIG_PCI
|
|
static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = {
|
|
{ PCI_DEVICE(0x1814, 0x0601) },
|
|
{ PCI_DEVICE(0x1814, 0x0681) },
|
|
{ PCI_DEVICE(0x1814, 0x0701) },
|
|
{ PCI_DEVICE(0x1814, 0x0781) },
|
|
{ PCI_DEVICE(0x1814, 0x3090) },
|
|
{ PCI_DEVICE(0x1814, 0x3091) },
|
|
{ PCI_DEVICE(0x1814, 0x3092) },
|
|
{ PCI_DEVICE(0x1432, 0x7708) },
|
|
{ PCI_DEVICE(0x1432, 0x7727) },
|
|
{ PCI_DEVICE(0x1432, 0x7728) },
|
|
{ PCI_DEVICE(0x1432, 0x7738) },
|
|
{ PCI_DEVICE(0x1432, 0x7748) },
|
|
{ PCI_DEVICE(0x1432, 0x7758) },
|
|
{ PCI_DEVICE(0x1432, 0x7768) },
|
|
{ PCI_DEVICE(0x1462, 0x891a) },
|
|
{ PCI_DEVICE(0x1a3b, 0x1059) },
|
|
#ifdef CONFIG_RT2800PCI_RT3290
|
|
{ PCI_DEVICE(0x1814, 0x3290) },
|
|
#endif
|
|
#ifdef CONFIG_RT2800PCI_RT33XX
|
|
{ PCI_DEVICE(0x1814, 0x3390) },
|
|
#endif
|
|
#ifdef CONFIG_RT2800PCI_RT35XX
|
|
{ PCI_DEVICE(0x1432, 0x7711) },
|
|
{ PCI_DEVICE(0x1432, 0x7722) },
|
|
{ PCI_DEVICE(0x1814, 0x3060) },
|
|
{ PCI_DEVICE(0x1814, 0x3062) },
|
|
{ PCI_DEVICE(0x1814, 0x3562) },
|
|
{ PCI_DEVICE(0x1814, 0x3592) },
|
|
{ PCI_DEVICE(0x1814, 0x3593) },
|
|
#endif
|
|
#ifdef CONFIG_RT2800PCI_RT53XX
|
|
{ PCI_DEVICE(0x1814, 0x5360) },
|
|
{ PCI_DEVICE(0x1814, 0x5362) },
|
|
{ PCI_DEVICE(0x1814, 0x5390) },
|
|
{ PCI_DEVICE(0x1814, 0x5392) },
|
|
{ PCI_DEVICE(0x1814, 0x539a) },
|
|
{ PCI_DEVICE(0x1814, 0x539b) },
|
|
{ PCI_DEVICE(0x1814, 0x539f) },
|
|
#endif
|
|
{ 0, }
|
|
};
|
|
#endif /* CONFIG_PCI */
|
|
|
|
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_PCI
|
|
MODULE_FIRMWARE(FIRMWARE_RT2860);
|
|
MODULE_DEVICE_TABLE(pci, rt2800pci_device_table);
|
|
#endif /* CONFIG_PCI */
|
|
MODULE_LICENSE("GPL");
|
|
|
|
#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
|
|
static int rt2800soc_probe(struct platform_device *pdev)
|
|
{
|
|
return rt2x00soc_probe(pdev, &rt2800pci_ops);
|
|
}
|
|
|
|
static struct platform_driver rt2800soc_driver = {
|
|
.driver = {
|
|
.name = "rt2800_wmac",
|
|
.owner = THIS_MODULE,
|
|
.mod_name = KBUILD_MODNAME,
|
|
},
|
|
.probe = rt2800soc_probe,
|
|
.remove = __devexit_p(rt2x00soc_remove),
|
|
.suspend = rt2x00soc_suspend,
|
|
.resume = rt2x00soc_resume,
|
|
};
|
|
#endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */
|
|
|
|
#ifdef CONFIG_PCI
|
|
static int rt2800pci_probe(struct pci_dev *pci_dev,
|
|
const struct pci_device_id *id)
|
|
{
|
|
return rt2x00pci_probe(pci_dev, &rt2800pci_ops);
|
|
}
|
|
|
|
static struct pci_driver rt2800pci_driver = {
|
|
.name = KBUILD_MODNAME,
|
|
.id_table = rt2800pci_device_table,
|
|
.probe = rt2800pci_probe,
|
|
.remove = __devexit_p(rt2x00pci_remove),
|
|
.suspend = rt2x00pci_suspend,
|
|
.resume = rt2x00pci_resume,
|
|
};
|
|
#endif /* CONFIG_PCI */
|
|
|
|
static int __init rt2800pci_init(void)
|
|
{
|
|
int ret = 0;
|
|
|
|
#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
|
|
ret = platform_driver_register(&rt2800soc_driver);
|
|
if (ret)
|
|
return ret;
|
|
#endif
|
|
#ifdef CONFIG_PCI
|
|
ret = pci_register_driver(&rt2800pci_driver);
|
|
if (ret) {
|
|
#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
|
|
platform_driver_unregister(&rt2800soc_driver);
|
|
#endif
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void __exit rt2800pci_exit(void)
|
|
{
|
|
#ifdef CONFIG_PCI
|
|
pci_unregister_driver(&rt2800pci_driver);
|
|
#endif
|
|
#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
|
|
platform_driver_unregister(&rt2800soc_driver);
|
|
#endif
|
|
}
|
|
|
|
module_init(rt2800pci_init);
|
|
module_exit(rt2800pci_exit);
|