Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1 | /* |
Gertjan van Wingerde | 9c9a0d1 | 2009-11-08 16:39:55 +0100 | [diff] [blame] | 2 | Copyright (C) 2009 Ivo van Doorn <IvDoorn@gmail.com> |
| 3 | Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com> |
| 4 | Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org> |
| 5 | Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com> |
| 6 | Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de> |
| 7 | Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com> |
| 8 | Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com> |
| 9 | Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@gmail.com> |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 10 | <http://rt2x00.serialmonkey.com> |
| 11 | |
| 12 | This program is free software; you can redistribute it and/or modify |
| 13 | it under the terms of the GNU General Public License as published by |
| 14 | the Free Software Foundation; either version 2 of the License, or |
| 15 | (at your option) any later version. |
| 16 | |
| 17 | This program is distributed in the hope that it will be useful, |
| 18 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | GNU General Public License for more details. |
| 21 | |
| 22 | You should have received a copy of the GNU General Public License |
| 23 | along with this program; if not, write to the |
| 24 | Free Software Foundation, Inc., |
| 25 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 26 | */ |
| 27 | |
| 28 | /* |
| 29 | Module: rt2800pci |
| 30 | Abstract: rt2800pci device specific routines. |
| 31 | Supported chipsets: RT2800E & RT2800ED. |
| 32 | */ |
| 33 | |
| 34 | #include <linux/crc-ccitt.h> |
| 35 | #include <linux/delay.h> |
| 36 | #include <linux/etherdevice.h> |
| 37 | #include <linux/init.h> |
| 38 | #include <linux/kernel.h> |
| 39 | #include <linux/module.h> |
| 40 | #include <linux/pci.h> |
| 41 | #include <linux/platform_device.h> |
| 42 | #include <linux/eeprom_93cx6.h> |
| 43 | |
| 44 | #include "rt2x00.h" |
| 45 | #include "rt2x00pci.h" |
| 46 | #include "rt2x00soc.h" |
Bartlomiej Zolnierkiewicz | 7ef5cc9 | 2009-11-04 18:35:32 +0100 | [diff] [blame] | 47 | #include "rt2800lib.h" |
Bartlomiej Zolnierkiewicz | b54f78a | 2009-11-04 18:35:54 +0100 | [diff] [blame] | 48 | #include "rt2800.h" |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 49 | #include "rt2800pci.h" |
| 50 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 51 | /* |
| 52 | * Allow hardware encryption to be disabled. |
| 53 | */ |
Ivo van Doorn | 04f1e34 | 2010-06-14 22:13:56 +0200 | [diff] [blame] | 54 | static int modparam_nohwcrypt = 0; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 55 | module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); |
| 56 | MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); |
| 57 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 58 | static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token) |
| 59 | { |
| 60 | unsigned int i; |
| 61 | u32 reg; |
| 62 | |
Luis Correia | f18d446 | 2010-04-03 12:49:53 +0100 | [diff] [blame] | 63 | /* |
| 64 | * SOC devices don't support MCU requests. |
| 65 | */ |
| 66 | if (rt2x00_is_soc(rt2x00dev)) |
| 67 | return; |
| 68 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 69 | for (i = 0; i < 200; i++) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 70 | rt2800_register_read(rt2x00dev, H2M_MAILBOX_CID, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 71 | |
| 72 | if ((rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD0) == token) || |
| 73 | (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD1) == token) || |
| 74 | (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD2) == token) || |
| 75 | (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD3) == token)) |
| 76 | break; |
| 77 | |
| 78 | udelay(REGISTER_BUSY_DELAY); |
| 79 | } |
| 80 | |
| 81 | if (i == 200) |
| 82 | ERROR(rt2x00dev, "MCU request failed, no response from hardware\n"); |
| 83 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 84 | rt2800_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0); |
| 85 | rt2800_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 86 | } |
| 87 | |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 88 | #ifdef CONFIG_RT2800PCI_SOC |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 89 | static void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev) |
| 90 | { |
| 91 | u32 *base_addr = (u32 *) KSEG1ADDR(0x1F040000); /* XXX for RT3052 */ |
| 92 | |
| 93 | memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE); |
| 94 | } |
| 95 | #else |
| 96 | static inline void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev) |
| 97 | { |
| 98 | } |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 99 | #endif /* CONFIG_RT2800PCI_SOC */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 100 | |
| 101 | #ifdef CONFIG_RT2800PCI_PCI |
| 102 | static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom) |
| 103 | { |
| 104 | struct rt2x00_dev *rt2x00dev = eeprom->data; |
| 105 | u32 reg; |
| 106 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 107 | rt2800_register_read(rt2x00dev, E2PROM_CSR, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 108 | |
| 109 | eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN); |
| 110 | eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT); |
| 111 | eeprom->reg_data_clock = |
| 112 | !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK); |
| 113 | eeprom->reg_chip_select = |
| 114 | !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT); |
| 115 | } |
| 116 | |
| 117 | static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom) |
| 118 | { |
| 119 | struct rt2x00_dev *rt2x00dev = eeprom->data; |
| 120 | u32 reg = 0; |
| 121 | |
| 122 | rt2x00_set_field32(®, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in); |
| 123 | rt2x00_set_field32(®, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out); |
| 124 | rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK, |
| 125 | !!eeprom->reg_data_clock); |
| 126 | rt2x00_set_field32(®, E2PROM_CSR_CHIP_SELECT, |
| 127 | !!eeprom->reg_chip_select); |
| 128 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 129 | rt2800_register_write(rt2x00dev, E2PROM_CSR, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev) |
| 133 | { |
| 134 | struct eeprom_93cx6 eeprom; |
| 135 | u32 reg; |
| 136 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 137 | rt2800_register_read(rt2x00dev, E2PROM_CSR, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 138 | |
| 139 | eeprom.data = rt2x00dev; |
| 140 | eeprom.register_read = rt2800pci_eepromregister_read; |
| 141 | eeprom.register_write = rt2800pci_eepromregister_write; |
Gertjan van Wingerde | 20f8b13 | 2010-06-29 21:44:18 +0200 | [diff] [blame] | 142 | switch (rt2x00_get_field32(reg, E2PROM_CSR_TYPE)) |
| 143 | { |
| 144 | case 0: |
| 145 | eeprom.width = PCI_EEPROM_WIDTH_93C46; |
| 146 | break; |
| 147 | case 1: |
| 148 | eeprom.width = PCI_EEPROM_WIDTH_93C66; |
| 149 | break; |
| 150 | default: |
| 151 | eeprom.width = PCI_EEPROM_WIDTH_93C86; |
| 152 | break; |
| 153 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 154 | eeprom.reg_data_in = 0; |
| 155 | eeprom.reg_data_out = 0; |
| 156 | eeprom.reg_data_clock = 0; |
| 157 | eeprom.reg_chip_select = 0; |
| 158 | |
| 159 | eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom, |
| 160 | EEPROM_SIZE / sizeof(u16)); |
| 161 | } |
| 162 | |
Gertjan van Wingerde | a659868 | 2009-11-08 12:30:35 +0100 | [diff] [blame] | 163 | static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev) |
| 164 | { |
Bartlomiej Zolnierkiewicz | 30e8403 | 2009-11-08 14:39:48 +0100 | [diff] [blame] | 165 | return rt2800_efuse_detect(rt2x00dev); |
Gertjan van Wingerde | a659868 | 2009-11-08 12:30:35 +0100 | [diff] [blame] | 166 | } |
| 167 | |
Bartlomiej Zolnierkiewicz | 30e8403 | 2009-11-08 14:39:48 +0100 | [diff] [blame] | 168 | static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 169 | { |
Bartlomiej Zolnierkiewicz | 30e8403 | 2009-11-08 14:39:48 +0100 | [diff] [blame] | 170 | rt2800_read_eeprom_efuse(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 171 | } |
| 172 | #else |
| 173 | static inline void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev) |
| 174 | { |
| 175 | } |
| 176 | |
Gertjan van Wingerde | a659868 | 2009-11-08 12:30:35 +0100 | [diff] [blame] | 177 | static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev) |
| 178 | { |
| 179 | return 0; |
| 180 | } |
| 181 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 182 | static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) |
| 183 | { |
| 184 | } |
| 185 | #endif /* CONFIG_RT2800PCI_PCI */ |
| 186 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 187 | /* |
| 188 | * Firmware functions |
| 189 | */ |
| 190 | static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev) |
| 191 | { |
| 192 | return FIRMWARE_RT2860; |
| 193 | } |
| 194 | |
| 195 | static int rt2800pci_check_firmware(struct rt2x00_dev *rt2x00dev, |
| 196 | const u8 *data, const size_t len) |
| 197 | { |
| 198 | u16 fw_crc; |
| 199 | u16 crc; |
| 200 | |
| 201 | /* |
| 202 | * Only support 8kb firmware files. |
| 203 | */ |
| 204 | if (len != 8192) |
| 205 | return FW_BAD_LENGTH; |
| 206 | |
| 207 | /* |
| 208 | * The last 2 bytes in the firmware array are the crc checksum itself, |
| 209 | * this means that we should never pass those 2 bytes to the crc |
| 210 | * algorithm. |
| 211 | */ |
| 212 | fw_crc = (data[len - 2] << 8 | data[len - 1]); |
| 213 | |
| 214 | /* |
| 215 | * Use the crc ccitt algorithm. |
| 216 | * This will return the same value as the legacy driver which |
| 217 | * used bit ordering reversion on the both the firmware bytes |
| 218 | * before input input as well as on the final output. |
| 219 | * Obviously using crc ccitt directly is much more efficient. |
| 220 | */ |
| 221 | crc = crc_ccitt(~0, data, len - 2); |
| 222 | |
| 223 | /* |
| 224 | * There is a small difference between the crc-itu-t + bitrev and |
| 225 | * the crc-ccitt crc calculation. In the latter method the 2 bytes |
| 226 | * will be swapped, use swab16 to convert the crc to the correct |
| 227 | * value. |
| 228 | */ |
| 229 | crc = swab16(crc); |
| 230 | |
| 231 | return (fw_crc == crc) ? FW_OK : FW_BAD_CRC; |
| 232 | } |
| 233 | |
| 234 | static int rt2800pci_load_firmware(struct rt2x00_dev *rt2x00dev, |
| 235 | const u8 *data, const size_t len) |
| 236 | { |
| 237 | unsigned int i; |
| 238 | u32 reg; |
| 239 | |
| 240 | /* |
| 241 | * Wait for stable hardware. |
| 242 | */ |
| 243 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 244 | rt2800_register_read(rt2x00dev, MAC_CSR0, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 245 | if (reg && reg != ~0) |
| 246 | break; |
| 247 | msleep(1); |
| 248 | } |
| 249 | |
| 250 | if (i == REGISTER_BUSY_COUNT) { |
| 251 | ERROR(rt2x00dev, "Unstable hardware.\n"); |
| 252 | return -EBUSY; |
| 253 | } |
| 254 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 255 | rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002); |
| 256 | rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 257 | |
| 258 | /* |
| 259 | * Disable DMA, will be reenabled later when enabling |
| 260 | * the radio. |
| 261 | */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 262 | rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 263 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); |
| 264 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0); |
| 265 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); |
| 266 | rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0); |
| 267 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 268 | rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 269 | |
| 270 | /* |
| 271 | * enable Host program ram write selection |
| 272 | */ |
| 273 | reg = 0; |
| 274 | rt2x00_set_field32(®, PBF_SYS_CTRL_HOST_RAM_WRITE, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 275 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 276 | |
| 277 | /* |
| 278 | * Write firmware to device. |
| 279 | */ |
Bartlomiej Zolnierkiewicz | 4f2732c | 2009-11-04 18:33:27 +0100 | [diff] [blame] | 280 | rt2800_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 281 | data, len); |
| 282 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 283 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000); |
| 284 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 285 | |
| 286 | /* |
| 287 | * Wait for device to stabilize. |
| 288 | */ |
| 289 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 290 | rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 291 | if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY)) |
| 292 | break; |
| 293 | msleep(1); |
| 294 | } |
| 295 | |
| 296 | if (i == REGISTER_BUSY_COUNT) { |
| 297 | ERROR(rt2x00dev, "PBF system register not ready.\n"); |
| 298 | return -EBUSY; |
| 299 | } |
| 300 | |
| 301 | /* |
| 302 | * Disable interrupts |
| 303 | */ |
| 304 | rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_RADIO_IRQ_OFF); |
| 305 | |
| 306 | /* |
| 307 | * Initialize BBP R/W access agent |
| 308 | */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 309 | rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0); |
| 310 | rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 311 | |
| 312 | return 0; |
| 313 | } |
| 314 | |
| 315 | /* |
| 316 | * Initialization functions. |
| 317 | */ |
| 318 | static bool rt2800pci_get_entry_state(struct queue_entry *entry) |
| 319 | { |
| 320 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 321 | u32 word; |
| 322 | |
| 323 | if (entry->queue->qid == QID_RX) { |
| 324 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 325 | |
| 326 | return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE)); |
| 327 | } else { |
| 328 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 329 | |
| 330 | return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE)); |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | static void rt2800pci_clear_entry(struct queue_entry *entry) |
| 335 | { |
| 336 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 337 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
| 338 | u32 word; |
| 339 | |
| 340 | if (entry->queue->qid == QID_RX) { |
| 341 | rt2x00_desc_read(entry_priv->desc, 0, &word); |
| 342 | rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma); |
| 343 | rt2x00_desc_write(entry_priv->desc, 0, word); |
| 344 | |
| 345 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 346 | rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0); |
| 347 | rt2x00_desc_write(entry_priv->desc, 1, word); |
| 348 | } else { |
| 349 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 350 | rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1); |
| 351 | rt2x00_desc_write(entry_priv->desc, 1, word); |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev) |
| 356 | { |
| 357 | struct queue_entry_priv_pci *entry_priv; |
| 358 | u32 reg; |
| 359 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 360 | /* |
| 361 | * Initialize registers. |
| 362 | */ |
| 363 | entry_priv = rt2x00dev->tx[0].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 364 | rt2800_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma); |
| 365 | rt2800_register_write(rt2x00dev, TX_MAX_CNT0, rt2x00dev->tx[0].limit); |
| 366 | rt2800_register_write(rt2x00dev, TX_CTX_IDX0, 0); |
| 367 | rt2800_register_write(rt2x00dev, TX_DTX_IDX0, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 368 | |
| 369 | entry_priv = rt2x00dev->tx[1].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 370 | rt2800_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma); |
| 371 | rt2800_register_write(rt2x00dev, TX_MAX_CNT1, rt2x00dev->tx[1].limit); |
| 372 | rt2800_register_write(rt2x00dev, TX_CTX_IDX1, 0); |
| 373 | rt2800_register_write(rt2x00dev, TX_DTX_IDX1, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 374 | |
| 375 | entry_priv = rt2x00dev->tx[2].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 376 | rt2800_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma); |
| 377 | rt2800_register_write(rt2x00dev, TX_MAX_CNT2, rt2x00dev->tx[2].limit); |
| 378 | rt2800_register_write(rt2x00dev, TX_CTX_IDX2, 0); |
| 379 | rt2800_register_write(rt2x00dev, TX_DTX_IDX2, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 380 | |
| 381 | entry_priv = rt2x00dev->tx[3].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 382 | rt2800_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma); |
| 383 | rt2800_register_write(rt2x00dev, TX_MAX_CNT3, rt2x00dev->tx[3].limit); |
| 384 | rt2800_register_write(rt2x00dev, TX_CTX_IDX3, 0); |
| 385 | rt2800_register_write(rt2x00dev, TX_DTX_IDX3, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 386 | |
| 387 | entry_priv = rt2x00dev->rx->entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 388 | rt2800_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma); |
| 389 | rt2800_register_write(rt2x00dev, RX_MAX_CNT, rt2x00dev->rx[0].limit); |
| 390 | rt2800_register_write(rt2x00dev, RX_CRX_IDX, rt2x00dev->rx[0].limit - 1); |
| 391 | rt2800_register_write(rt2x00dev, RX_DRX_IDX, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 392 | |
| 393 | /* |
| 394 | * Enable global DMA configuration |
| 395 | */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 396 | rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 397 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); |
| 398 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); |
| 399 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 400 | rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 401 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 402 | rt2800_register_write(rt2x00dev, DELAY_INT_CFG, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 403 | |
| 404 | return 0; |
| 405 | } |
| 406 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 407 | /* |
| 408 | * Device state switch handlers. |
| 409 | */ |
| 410 | static void rt2800pci_toggle_rx(struct rt2x00_dev *rt2x00dev, |
| 411 | enum dev_state state) |
| 412 | { |
| 413 | u32 reg; |
| 414 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 415 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 416 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, |
| 417 | (state == STATE_RADIO_RX_ON) || |
| 418 | (state == STATE_RADIO_RX_ON_LINK)); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 419 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 420 | } |
| 421 | |
| 422 | static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev, |
| 423 | enum dev_state state) |
| 424 | { |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame^] | 425 | int mask = (state == STATE_RADIO_IRQ_ON) || |
| 426 | (state == STATE_RADIO_IRQ_ON_ISR); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 427 | u32 reg; |
| 428 | |
| 429 | /* |
| 430 | * When interrupts are being enabled, the interrupt registers |
| 431 | * should clear the register to assure a clean state. |
| 432 | */ |
| 433 | if (state == STATE_RADIO_IRQ_ON) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 434 | rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, ®); |
| 435 | rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 436 | } |
| 437 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 438 | rt2800_register_read(rt2x00dev, INT_MASK_CSR, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 439 | rt2x00_set_field32(®, INT_MASK_CSR_RXDELAYINT, mask); |
| 440 | rt2x00_set_field32(®, INT_MASK_CSR_TXDELAYINT, mask); |
| 441 | rt2x00_set_field32(®, INT_MASK_CSR_RX_DONE, mask); |
| 442 | rt2x00_set_field32(®, INT_MASK_CSR_AC0_DMA_DONE, mask); |
| 443 | rt2x00_set_field32(®, INT_MASK_CSR_AC1_DMA_DONE, mask); |
| 444 | rt2x00_set_field32(®, INT_MASK_CSR_AC2_DMA_DONE, mask); |
| 445 | rt2x00_set_field32(®, INT_MASK_CSR_AC3_DMA_DONE, mask); |
| 446 | rt2x00_set_field32(®, INT_MASK_CSR_HCCA_DMA_DONE, mask); |
| 447 | rt2x00_set_field32(®, INT_MASK_CSR_MGMT_DMA_DONE, mask); |
| 448 | rt2x00_set_field32(®, INT_MASK_CSR_MCU_COMMAND, mask); |
| 449 | rt2x00_set_field32(®, INT_MASK_CSR_RXTX_COHERENT, mask); |
| 450 | rt2x00_set_field32(®, INT_MASK_CSR_TBTT, mask); |
| 451 | rt2x00_set_field32(®, INT_MASK_CSR_PRE_TBTT, mask); |
| 452 | rt2x00_set_field32(®, INT_MASK_CSR_TX_FIFO_STATUS, mask); |
| 453 | rt2x00_set_field32(®, INT_MASK_CSR_AUTO_WAKEUP, mask); |
| 454 | rt2x00_set_field32(®, INT_MASK_CSR_GPTIMER, mask); |
| 455 | rt2x00_set_field32(®, INT_MASK_CSR_RX_COHERENT, mask); |
| 456 | rt2x00_set_field32(®, INT_MASK_CSR_TX_COHERENT, mask); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 457 | rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 458 | } |
| 459 | |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 460 | static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev) |
| 461 | { |
| 462 | u32 reg; |
| 463 | |
| 464 | /* |
| 465 | * Reset DMA indexes |
| 466 | */ |
| 467 | rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, ®); |
| 468 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1); |
| 469 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1); |
| 470 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1); |
| 471 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1); |
| 472 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1); |
| 473 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1); |
| 474 | rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1); |
| 475 | rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg); |
| 476 | |
| 477 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f); |
| 478 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00); |
| 479 | |
| 480 | rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003); |
| 481 | |
| 482 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
| 483 | rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_CSR, 1); |
| 484 | rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_BBP, 1); |
| 485 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
| 486 | |
| 487 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); |
| 488 | |
| 489 | return 0; |
| 490 | } |
| 491 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 492 | static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev) |
| 493 | { |
| 494 | u32 reg; |
| 495 | u16 word; |
| 496 | |
| 497 | /* |
| 498 | * Initialize all registers. |
| 499 | */ |
Gertjan van Wingerde | 67a4c1e | 2009-12-30 11:36:32 +0100 | [diff] [blame] | 500 | if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) || |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 501 | rt2800pci_init_queues(rt2x00dev) || |
Bartlomiej Zolnierkiewicz | fcf5154 | 2009-11-04 18:36:57 +0100 | [diff] [blame] | 502 | rt2800_init_registers(rt2x00dev) || |
Gertjan van Wingerde | 67a4c1e | 2009-12-30 11:36:32 +0100 | [diff] [blame] | 503 | rt2800_wait_wpdma_ready(rt2x00dev) || |
Bartlomiej Zolnierkiewicz | fcf5154 | 2009-11-04 18:36:57 +0100 | [diff] [blame] | 504 | rt2800_init_bbp(rt2x00dev) || |
| 505 | rt2800_init_rfcsr(rt2x00dev))) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 506 | return -EIO; |
| 507 | |
| 508 | /* |
| 509 | * Send signal to firmware during boot time. |
| 510 | */ |
Gertjan van Wingerde | 532bc2d | 2010-06-03 10:52:06 +0200 | [diff] [blame] | 511 | rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 512 | |
| 513 | /* |
| 514 | * Enable RX. |
| 515 | */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 516 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 517 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); |
| 518 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 519 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 520 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 521 | rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 522 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1); |
| 523 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1); |
| 524 | rt2x00_set_field32(®, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2); |
| 525 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 526 | rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 527 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 528 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 529 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); |
| 530 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 531 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 532 | |
| 533 | /* |
| 534 | * Initialize LED control |
| 535 | */ |
| 536 | rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word); |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 537 | rt2800_mcu_request(rt2x00dev, MCU_LED_1, 0xff, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 538 | word & 0xff, (word >> 8) & 0xff); |
| 539 | |
| 540 | rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word); |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 541 | rt2800_mcu_request(rt2x00dev, MCU_LED_2, 0xff, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 542 | word & 0xff, (word >> 8) & 0xff); |
| 543 | |
| 544 | rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word); |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 545 | rt2800_mcu_request(rt2x00dev, MCU_LED_3, 0xff, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 546 | word & 0xff, (word >> 8) & 0xff); |
| 547 | |
| 548 | return 0; |
| 549 | } |
| 550 | |
| 551 | static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev) |
| 552 | { |
| 553 | u32 reg; |
| 554 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 555 | rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 556 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); |
| 557 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0); |
| 558 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); |
| 559 | rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0); |
| 560 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 561 | rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 562 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 563 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0); |
| 564 | rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0); |
| 565 | rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 566 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 567 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001280); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 568 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 569 | rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 570 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1); |
| 571 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1); |
| 572 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1); |
| 573 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1); |
| 574 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1); |
| 575 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1); |
| 576 | rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 577 | rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 578 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 579 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f); |
| 580 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 581 | |
| 582 | /* Wait for DMA, ignore error */ |
Gertjan van Wingerde | 67a4c1e | 2009-12-30 11:36:32 +0100 | [diff] [blame] | 583 | rt2800_wait_wpdma_ready(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 584 | } |
| 585 | |
| 586 | static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev, |
| 587 | enum dev_state state) |
| 588 | { |
| 589 | /* |
| 590 | * Always put the device to sleep (even when we intend to wakeup!) |
| 591 | * if the device is booting and wasn't asleep it will return |
| 592 | * failure when attempting to wakeup. |
| 593 | */ |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 594 | rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 595 | |
| 596 | if (state == STATE_AWAKE) { |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 597 | rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 598 | rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP); |
| 599 | } |
| 600 | |
| 601 | return 0; |
| 602 | } |
| 603 | |
| 604 | static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev, |
| 605 | enum dev_state state) |
| 606 | { |
| 607 | int retval = 0; |
| 608 | |
| 609 | switch (state) { |
| 610 | case STATE_RADIO_ON: |
| 611 | /* |
| 612 | * Before the radio can be enabled, the device first has |
| 613 | * to be woken up. After that it needs a bit of time |
| 614 | * to be fully awake and then the radio can be enabled. |
| 615 | */ |
| 616 | rt2800pci_set_state(rt2x00dev, STATE_AWAKE); |
| 617 | msleep(1); |
| 618 | retval = rt2800pci_enable_radio(rt2x00dev); |
| 619 | break; |
| 620 | case STATE_RADIO_OFF: |
| 621 | /* |
| 622 | * After the radio has been disabled, the device should |
| 623 | * be put to sleep for powersaving. |
| 624 | */ |
| 625 | rt2800pci_disable_radio(rt2x00dev); |
| 626 | rt2800pci_set_state(rt2x00dev, STATE_SLEEP); |
| 627 | break; |
| 628 | case STATE_RADIO_RX_ON: |
| 629 | case STATE_RADIO_RX_ON_LINK: |
| 630 | case STATE_RADIO_RX_OFF: |
| 631 | case STATE_RADIO_RX_OFF_LINK: |
| 632 | rt2800pci_toggle_rx(rt2x00dev, state); |
| 633 | break; |
| 634 | case STATE_RADIO_IRQ_ON: |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame^] | 635 | case STATE_RADIO_IRQ_ON_ISR: |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 636 | case STATE_RADIO_IRQ_OFF: |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame^] | 637 | case STATE_RADIO_IRQ_OFF_ISR: |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 638 | rt2800pci_toggle_irq(rt2x00dev, state); |
| 639 | break; |
| 640 | case STATE_DEEP_SLEEP: |
| 641 | case STATE_SLEEP: |
| 642 | case STATE_STANDBY: |
| 643 | case STATE_AWAKE: |
| 644 | retval = rt2800pci_set_state(rt2x00dev, state); |
| 645 | break; |
| 646 | default: |
| 647 | retval = -ENOTSUPP; |
| 648 | break; |
| 649 | } |
| 650 | |
| 651 | if (unlikely(retval)) |
| 652 | ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", |
| 653 | state, retval); |
| 654 | |
| 655 | return retval; |
| 656 | } |
| 657 | |
| 658 | /* |
| 659 | * TX descriptor initialization |
| 660 | */ |
Gertjan van Wingerde | 76dd5dd | 2010-06-29 21:42:23 +0200 | [diff] [blame] | 661 | static void rt2800pci_write_tx_data(struct queue_entry* entry, |
| 662 | struct txentry_desc *txdesc) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 663 | { |
Gertjan van Wingerde | 9cf4cb0 | 2010-06-29 21:43:03 +0200 | [diff] [blame] | 664 | __le32 *txwi = (__le32 *) entry->skb->data; |
| 665 | |
| 666 | rt2800_write_txwi(txwi, txdesc); |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 667 | } |
| 668 | |
| 669 | |
| 670 | static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, |
| 671 | struct sk_buff *skb, |
| 672 | struct txentry_desc *txdesc) |
| 673 | { |
| 674 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 675 | struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data; |
| 676 | __le32 *txd = entry_priv->desc; |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 677 | u32 word; |
| 678 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 679 | /* |
| 680 | * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1 |
| 681 | * must contains a TXWI structure + 802.11 header + padding + 802.11 |
| 682 | * data. We choose to have SD_PTR0/SD_LEN0 only contains TXWI and |
| 683 | * SD_PTR1/SD_LEN1 contains 802.11 header + padding + 802.11 |
| 684 | * data. It means that LAST_SEC0 is always 0. |
| 685 | */ |
| 686 | |
| 687 | /* |
| 688 | * Initialize TX descriptor |
| 689 | */ |
| 690 | rt2x00_desc_read(txd, 0, &word); |
| 691 | rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma); |
| 692 | rt2x00_desc_write(txd, 0, word); |
| 693 | |
| 694 | rt2x00_desc_read(txd, 1, &word); |
| 695 | rt2x00_set_field32(&word, TXD_W1_SD_LEN1, skb->len); |
| 696 | rt2x00_set_field32(&word, TXD_W1_LAST_SEC1, |
| 697 | !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); |
| 698 | rt2x00_set_field32(&word, TXD_W1_BURST, |
| 699 | test_bit(ENTRY_TXD_BURST, &txdesc->flags)); |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 700 | rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 701 | rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0); |
| 702 | rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0); |
| 703 | rt2x00_desc_write(txd, 1, word); |
| 704 | |
| 705 | rt2x00_desc_read(txd, 2, &word); |
| 706 | rt2x00_set_field32(&word, TXD_W2_SD_PTR1, |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 707 | skbdesc->skb_dma + TXWI_DESC_SIZE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 708 | rt2x00_desc_write(txd, 2, word); |
| 709 | |
| 710 | rt2x00_desc_read(txd, 3, &word); |
| 711 | rt2x00_set_field32(&word, TXD_W3_WIV, |
| 712 | !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); |
| 713 | rt2x00_set_field32(&word, TXD_W3_QSEL, 2); |
| 714 | rt2x00_desc_write(txd, 3, word); |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 715 | |
| 716 | /* |
| 717 | * Register descriptor details in skb frame descriptor. |
| 718 | */ |
| 719 | skbdesc->desc = txd; |
| 720 | skbdesc->desc_len = TXD_DESC_SIZE; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 721 | } |
| 722 | |
| 723 | /* |
| 724 | * TX data initialization |
| 725 | */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 726 | static void rt2800pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, |
| 727 | const enum data_queue_qid queue_idx) |
| 728 | { |
| 729 | struct data_queue *queue; |
| 730 | unsigned int idx, qidx = 0; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 731 | |
| 732 | if (queue_idx > QID_HCCA && queue_idx != QID_MGMT) |
| 733 | return; |
| 734 | |
| 735 | queue = rt2x00queue_get_queue(rt2x00dev, queue_idx); |
| 736 | idx = queue->index[Q_INDEX]; |
| 737 | |
| 738 | if (queue_idx == QID_MGMT) |
| 739 | qidx = 5; |
| 740 | else |
| 741 | qidx = queue_idx; |
| 742 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 743 | rt2800_register_write(rt2x00dev, TX_CTX_IDX(qidx), idx); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 744 | } |
| 745 | |
| 746 | static void rt2800pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev, |
| 747 | const enum data_queue_qid qid) |
| 748 | { |
| 749 | u32 reg; |
| 750 | |
| 751 | if (qid == QID_BEACON) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 752 | rt2800_register_write(rt2x00dev, BCN_TIME_CFG, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 753 | return; |
| 754 | } |
| 755 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 756 | rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 757 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, (qid == QID_AC_BE)); |
| 758 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, (qid == QID_AC_BK)); |
| 759 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, (qid == QID_AC_VI)); |
| 760 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, (qid == QID_AC_VO)); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 761 | rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 762 | } |
| 763 | |
| 764 | /* |
| 765 | * RX control handlers |
| 766 | */ |
| 767 | static void rt2800pci_fill_rxdone(struct queue_entry *entry, |
| 768 | struct rxdone_entry_desc *rxdesc) |
| 769 | { |
| 770 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 771 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 772 | __le32 *rxd = entry_priv->desc; |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 773 | u32 word; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 774 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 775 | rt2x00_desc_read(rxd, 3, &word); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 776 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 777 | if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 778 | rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; |
| 779 | |
Gertjan van Wingerde | 78b8f3b | 2010-05-08 23:40:20 +0200 | [diff] [blame] | 780 | /* |
| 781 | * Unfortunately we don't know the cipher type used during |
| 782 | * decryption. This prevents us from correct providing |
| 783 | * correct statistics through debugfs. |
| 784 | */ |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 785 | rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 786 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 787 | if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 788 | /* |
| 789 | * Hardware has stripped IV/EIV data from 802.11 frame during |
| 790 | * decryption. Unfortunately the descriptor doesn't contain |
| 791 | * any fields with the EIV/IV data either, so they can't |
| 792 | * be restored by rt2x00lib. |
| 793 | */ |
| 794 | rxdesc->flags |= RX_FLAG_IV_STRIPPED; |
| 795 | |
| 796 | if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) |
| 797 | rxdesc->flags |= RX_FLAG_DECRYPTED; |
| 798 | else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) |
| 799 | rxdesc->flags |= RX_FLAG_MMIC_ERROR; |
| 800 | } |
| 801 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 802 | if (rt2x00_get_field32(word, RXD_W3_MY_BSS)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 803 | rxdesc->dev_flags |= RXDONE_MY_BSS; |
| 804 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 805 | if (rt2x00_get_field32(word, RXD_W3_L2PAD)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 806 | rxdesc->dev_flags |= RXDONE_L2PAD; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 807 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 808 | /* |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 809 | * Process the RXWI structure that is at the start of the buffer. |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 810 | */ |
Ivo van Doorn | 7486192 | 2010-07-11 12:23:50 +0200 | [diff] [blame] | 811 | rt2800_process_rxwi(entry, rxdesc); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 812 | |
| 813 | /* |
| 814 | * Set RX IDX in register to inform hardware that we have handled |
| 815 | * this entry and it is available for reuse again. |
| 816 | */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 817 | rt2800_register_write(rt2x00dev, RX_CRX_IDX, entry->entry_idx); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 818 | } |
| 819 | |
| 820 | /* |
| 821 | * Interrupt functions. |
| 822 | */ |
| 823 | static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev) |
| 824 | { |
| 825 | struct data_queue *queue; |
| 826 | struct queue_entry *entry; |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 827 | __le32 *txwi; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 828 | struct txdone_entry_desc txdesc; |
| 829 | u32 word; |
| 830 | u32 reg; |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 831 | int wcid, ack, pid, tx_wcid, tx_ack, tx_pid; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 832 | u16 mcs, real_mcs; |
Helmut Schaa | 3afa626 | 2010-06-14 22:11:09 +0200 | [diff] [blame] | 833 | int i; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 834 | |
| 835 | /* |
Helmut Schaa | 3afa626 | 2010-06-14 22:11:09 +0200 | [diff] [blame] | 836 | * TX_STA_FIFO is a stack of X entries, hence read TX_STA_FIFO |
| 837 | * at most X times and also stop processing once the TX_STA_FIFO_VALID |
| 838 | * flag is not set anymore. |
| 839 | * |
| 840 | * The legacy drivers use X=TX_RING_SIZE but state in a comment |
| 841 | * that the TX_STA_FIFO stack has a size of 16. We stick to our |
| 842 | * tx ring size for now. |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 843 | */ |
Helmut Schaa | 3afa626 | 2010-06-14 22:11:09 +0200 | [diff] [blame] | 844 | for (i = 0; i < TX_ENTRIES; i++) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 845 | rt2800_register_read(rt2x00dev, TX_STA_FIFO, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 846 | if (!rt2x00_get_field32(reg, TX_STA_FIFO_VALID)) |
| 847 | break; |
| 848 | |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 849 | wcid = rt2x00_get_field32(reg, TX_STA_FIFO_WCID); |
| 850 | ack = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED); |
| 851 | pid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE); |
| 852 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 853 | /* |
| 854 | * Skip this entry when it contains an invalid |
| 855 | * queue identication number. |
| 856 | */ |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 857 | if (pid <= 0 || pid > QID_RX) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 858 | continue; |
| 859 | |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 860 | queue = rt2x00queue_get_queue(rt2x00dev, pid - 1); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 861 | if (unlikely(!queue)) |
| 862 | continue; |
| 863 | |
| 864 | /* |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 865 | * Inside each queue, we process each entry in a chronological |
| 866 | * order. We first check that the queue is not empty. |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 867 | */ |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 868 | if (rt2x00queue_empty(queue)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 869 | continue; |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 870 | entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 871 | |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 872 | /* Check if we got a match by looking at WCID/ACK/PID |
| 873 | * fields */ |
Gertjan van Wingerde | 0b8004a | 2010-06-03 10:51:45 +0200 | [diff] [blame] | 874 | txwi = (__le32 *) entry->skb->data; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 875 | |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 876 | rt2x00_desc_read(txwi, 1, &word); |
| 877 | tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID); |
| 878 | tx_ack = rt2x00_get_field32(word, TXWI_W1_ACK); |
| 879 | tx_pid = rt2x00_get_field32(word, TXWI_W1_PACKETID); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 880 | |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 881 | if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid)) |
| 882 | WARNING(rt2x00dev, "invalid TX_STA_FIFO content\n"); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 883 | |
| 884 | /* |
| 885 | * Obtain the status about this packet. |
| 886 | */ |
| 887 | txdesc.flags = 0; |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 888 | rt2x00_desc_read(txwi, 0, &word); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 889 | mcs = rt2x00_get_field32(word, TXWI_W0_MCS); |
| 890 | real_mcs = rt2x00_get_field32(reg, TX_STA_FIFO_MCS); |
Alban Browaeys | bf18723 | 2010-02-28 17:14:40 +0100 | [diff] [blame] | 891 | |
| 892 | /* |
| 893 | * Ralink has a retry mechanism using a global fallback |
| 894 | * table. We setup this fallback table to try the immediate |
| 895 | * lower rate for all rates. In the TX_STA_FIFO, the MCS field |
| 896 | * always contains the MCS used for the last transmission, be |
| 897 | * it successful or not. |
| 898 | */ |
| 899 | if (rt2x00_get_field32(reg, TX_STA_FIFO_TX_SUCCESS)) { |
| 900 | /* |
| 901 | * Transmission succeeded. The number of retries is |
| 902 | * mcs - real_mcs |
| 903 | */ |
| 904 | __set_bit(TXDONE_SUCCESS, &txdesc.flags); |
| 905 | txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0); |
| 906 | } else { |
| 907 | /* |
| 908 | * Transmission failed. The number of retries is |
| 909 | * always 7 in this case (for a total number of 8 |
| 910 | * frames sent). |
| 911 | */ |
| 912 | __set_bit(TXDONE_FAILURE, &txdesc.flags); |
| 913 | txdesc.retry = 7; |
| 914 | } |
| 915 | |
Helmut Schaa | ecb7cab | 2010-06-14 22:09:41 +0200 | [diff] [blame] | 916 | /* |
| 917 | * the frame was retried at least once |
| 918 | * -> hw used fallback rates |
| 919 | */ |
| 920 | if (txdesc.retry) |
| 921 | __set_bit(TXDONE_FALLBACK, &txdesc.flags); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 922 | |
Gertjan van Wingerde | e513a0b | 2010-06-29 21:41:40 +0200 | [diff] [blame] | 923 | rt2x00lib_txdone(entry, &txdesc); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 924 | } |
| 925 | } |
| 926 | |
Gertjan van Wingerde | 4d66edc | 2010-03-30 23:50:26 +0200 | [diff] [blame] | 927 | static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev) |
| 928 | { |
| 929 | struct ieee80211_conf conf = { .flags = 0 }; |
| 930 | struct rt2x00lib_conf libconf = { .conf = &conf }; |
| 931 | |
| 932 | rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS); |
| 933 | } |
| 934 | |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame^] | 935 | static irqreturn_t rt2800pci_interrupt_thread(int irq, void *dev_instance) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 936 | { |
| 937 | struct rt2x00_dev *rt2x00dev = dev_instance; |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame^] | 938 | u32 reg = rt2x00dev->irqvalue[0]; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 939 | |
| 940 | /* |
| 941 | * 1 - Rx ring done interrupt. |
| 942 | */ |
| 943 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE)) |
| 944 | rt2x00pci_rxdone(rt2x00dev); |
| 945 | |
| 946 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) |
| 947 | rt2800pci_txdone(rt2x00dev); |
| 948 | |
Helmut Schaa | ad90319 | 2010-06-29 21:46:43 +0200 | [diff] [blame] | 949 | /* |
| 950 | * Current beacon was sent out, fetch the next one |
| 951 | */ |
| 952 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT)) |
| 953 | rt2x00lib_beacondone(rt2x00dev); |
| 954 | |
Gertjan van Wingerde | 4d66edc | 2010-03-30 23:50:26 +0200 | [diff] [blame] | 955 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP)) |
| 956 | rt2800pci_wakeup(rt2x00dev); |
| 957 | |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame^] | 958 | /* Enable interrupts again. */ |
| 959 | rt2x00dev->ops->lib->set_device_state(rt2x00dev, |
| 960 | STATE_RADIO_IRQ_ON_ISR); |
| 961 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 962 | return IRQ_HANDLED; |
| 963 | } |
| 964 | |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame^] | 965 | static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance) |
| 966 | { |
| 967 | struct rt2x00_dev *rt2x00dev = dev_instance; |
| 968 | u32 reg; |
| 969 | |
| 970 | /* Read status and ACK all interrupts */ |
| 971 | rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, ®); |
| 972 | rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg); |
| 973 | |
| 974 | if (!reg) |
| 975 | return IRQ_NONE; |
| 976 | |
| 977 | if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
| 978 | return IRQ_HANDLED; |
| 979 | |
| 980 | /* Store irqvalue for use in the interrupt thread. */ |
| 981 | rt2x00dev->irqvalue[0] = reg; |
| 982 | |
| 983 | /* Disable interrupts, will be enabled again in the interrupt thread. */ |
| 984 | rt2x00dev->ops->lib->set_device_state(rt2x00dev, |
| 985 | STATE_RADIO_IRQ_OFF_ISR); |
| 986 | |
| 987 | |
| 988 | return IRQ_WAKE_THREAD; |
| 989 | } |
| 990 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 991 | /* |
| 992 | * Device probe functions. |
| 993 | */ |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 994 | static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) |
| 995 | { |
| 996 | /* |
| 997 | * Read EEPROM into buffer |
| 998 | */ |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 999 | if (rt2x00_is_soc(rt2x00dev)) |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 1000 | rt2800pci_read_eeprom_soc(rt2x00dev); |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 1001 | else if (rt2800pci_efuse_detect(rt2x00dev)) |
| 1002 | rt2800pci_read_eeprom_efuse(rt2x00dev); |
| 1003 | else |
| 1004 | rt2800pci_read_eeprom_pci(rt2x00dev); |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 1005 | |
| 1006 | return rt2800_validate_eeprom(rt2x00dev); |
| 1007 | } |
| 1008 | |
Bartlomiej Zolnierkiewicz | b0a1eda | 2009-11-04 18:35:00 +0100 | [diff] [blame] | 1009 | static const struct rt2800_ops rt2800pci_rt2800_ops = { |
| 1010 | .register_read = rt2x00pci_register_read, |
Gertjan van Wingerde | 31a4cf1 | 2009-11-14 20:20:36 +0100 | [diff] [blame] | 1011 | .register_read_lock = rt2x00pci_register_read, /* same for PCI */ |
Bartlomiej Zolnierkiewicz | b0a1eda | 2009-11-04 18:35:00 +0100 | [diff] [blame] | 1012 | .register_write = rt2x00pci_register_write, |
| 1013 | .register_write_lock = rt2x00pci_register_write, /* same for PCI */ |
| 1014 | |
| 1015 | .register_multiread = rt2x00pci_register_multiread, |
| 1016 | .register_multiwrite = rt2x00pci_register_multiwrite, |
| 1017 | |
| 1018 | .regbusy_read = rt2x00pci_regbusy_read, |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 1019 | |
| 1020 | .drv_init_registers = rt2800pci_init_registers, |
Bartlomiej Zolnierkiewicz | b0a1eda | 2009-11-04 18:35:00 +0100 | [diff] [blame] | 1021 | }; |
| 1022 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1023 | static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev) |
| 1024 | { |
| 1025 | int retval; |
| 1026 | |
Bartlomiej Zolnierkiewicz | b0a1eda | 2009-11-04 18:35:00 +0100 | [diff] [blame] | 1027 | rt2x00dev->priv = (void *)&rt2800pci_rt2800_ops; |
| 1028 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1029 | /* |
| 1030 | * Allocate eeprom data. |
| 1031 | */ |
| 1032 | retval = rt2800pci_validate_eeprom(rt2x00dev); |
| 1033 | if (retval) |
| 1034 | return retval; |
| 1035 | |
Bartlomiej Zolnierkiewicz | 38bd7b8 | 2009-11-08 14:39:01 +0100 | [diff] [blame] | 1036 | retval = rt2800_init_eeprom(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1037 | if (retval) |
| 1038 | return retval; |
| 1039 | |
| 1040 | /* |
| 1041 | * Initialize hw specifications. |
| 1042 | */ |
Bartlomiej Zolnierkiewicz | 4da2933 | 2009-11-08 14:39:32 +0100 | [diff] [blame] | 1043 | retval = rt2800_probe_hw_mode(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1044 | if (retval) |
| 1045 | return retval; |
| 1046 | |
| 1047 | /* |
| 1048 | * This device has multiple filters for control frames |
| 1049 | * and has a separate filter for PS Poll frames. |
| 1050 | */ |
| 1051 | __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags); |
| 1052 | __set_bit(DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, &rt2x00dev->flags); |
| 1053 | |
| 1054 | /* |
| 1055 | * This device requires firmware. |
| 1056 | */ |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 1057 | if (!rt2x00_is_soc(rt2x00dev)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1058 | __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags); |
| 1059 | __set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags); |
| 1060 | __set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags); |
| 1061 | if (!modparam_nohwcrypt) |
| 1062 | __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); |
Ivo van Doorn | 27df2a9 | 2010-07-11 12:24:22 +0200 | [diff] [blame] | 1063 | __set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1064 | |
| 1065 | /* |
| 1066 | * Set the rssi offset. |
| 1067 | */ |
| 1068 | rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; |
| 1069 | |
| 1070 | return 0; |
| 1071 | } |
| 1072 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1073 | static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = { |
| 1074 | .irq_handler = rt2800pci_interrupt, |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame^] | 1075 | .irq_handler_thread = rt2800pci_interrupt_thread, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1076 | .probe_hw = rt2800pci_probe_hw, |
| 1077 | .get_firmware_name = rt2800pci_get_firmware_name, |
| 1078 | .check_firmware = rt2800pci_check_firmware, |
| 1079 | .load_firmware = rt2800pci_load_firmware, |
| 1080 | .initialize = rt2x00pci_initialize, |
| 1081 | .uninitialize = rt2x00pci_uninitialize, |
| 1082 | .get_entry_state = rt2800pci_get_entry_state, |
| 1083 | .clear_entry = rt2800pci_clear_entry, |
| 1084 | .set_device_state = rt2800pci_set_device_state, |
Bartlomiej Zolnierkiewicz | f445061 | 2009-11-04 18:36:40 +0100 | [diff] [blame] | 1085 | .rfkill_poll = rt2800_rfkill_poll, |
| 1086 | .link_stats = rt2800_link_stats, |
| 1087 | .reset_tuner = rt2800_reset_tuner, |
| 1088 | .link_tuner = rt2800_link_tuner, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1089 | .write_tx_desc = rt2800pci_write_tx_desc, |
Gertjan van Wingerde | 76dd5dd | 2010-06-29 21:42:23 +0200 | [diff] [blame] | 1090 | .write_tx_data = rt2800pci_write_tx_data, |
Gertjan van Wingerde | f0194b2 | 2010-06-03 10:51:53 +0200 | [diff] [blame] | 1091 | .write_beacon = rt2800_write_beacon, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1092 | .kick_tx_queue = rt2800pci_kick_tx_queue, |
| 1093 | .kill_tx_queue = rt2800pci_kill_tx_queue, |
| 1094 | .fill_rxdone = rt2800pci_fill_rxdone, |
Bartlomiej Zolnierkiewicz | f445061 | 2009-11-04 18:36:40 +0100 | [diff] [blame] | 1095 | .config_shared_key = rt2800_config_shared_key, |
| 1096 | .config_pairwise_key = rt2800_config_pairwise_key, |
| 1097 | .config_filter = rt2800_config_filter, |
| 1098 | .config_intf = rt2800_config_intf, |
| 1099 | .config_erp = rt2800_config_erp, |
| 1100 | .config_ant = rt2800_config_ant, |
| 1101 | .config = rt2800_config, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1102 | }; |
| 1103 | |
| 1104 | static const struct data_queue_desc rt2800pci_queue_rx = { |
| 1105 | .entry_num = RX_ENTRIES, |
| 1106 | .data_size = AGGREGATION_SIZE, |
| 1107 | .desc_size = RXD_DESC_SIZE, |
| 1108 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1109 | }; |
| 1110 | |
| 1111 | static const struct data_queue_desc rt2800pci_queue_tx = { |
| 1112 | .entry_num = TX_ENTRIES, |
| 1113 | .data_size = AGGREGATION_SIZE, |
| 1114 | .desc_size = TXD_DESC_SIZE, |
| 1115 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1116 | }; |
| 1117 | |
| 1118 | static const struct data_queue_desc rt2800pci_queue_bcn = { |
| 1119 | .entry_num = 8 * BEACON_ENTRIES, |
| 1120 | .data_size = 0, /* No DMA required for beacons */ |
| 1121 | .desc_size = TXWI_DESC_SIZE, |
| 1122 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1123 | }; |
| 1124 | |
| 1125 | static const struct rt2x00_ops rt2800pci_ops = { |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1126 | .name = KBUILD_MODNAME, |
| 1127 | .max_sta_intf = 1, |
| 1128 | .max_ap_intf = 8, |
| 1129 | .eeprom_size = EEPROM_SIZE, |
| 1130 | .rf_size = RF_SIZE, |
| 1131 | .tx_queues = NUM_TX_QUEUES, |
Gertjan van Wingerde | e6218cc | 2009-11-23 22:44:52 +0100 | [diff] [blame] | 1132 | .extra_tx_headroom = TXWI_DESC_SIZE, |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1133 | .rx = &rt2800pci_queue_rx, |
| 1134 | .tx = &rt2800pci_queue_tx, |
| 1135 | .bcn = &rt2800pci_queue_bcn, |
| 1136 | .lib = &rt2800pci_rt2x00_ops, |
| 1137 | .hw = &rt2800_mac80211_ops, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1138 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1139 | .debugfs = &rt2800_rt2x00debug, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1140 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
| 1141 | }; |
| 1142 | |
| 1143 | /* |
| 1144 | * RT2800pci module information. |
| 1145 | */ |
Helmut Schaa | d6e36ec | 2010-03-15 17:22:26 +0100 | [diff] [blame] | 1146 | #ifdef CONFIG_RT2800PCI_PCI |
Alexey Dobriyan | a3aa188 | 2010-01-07 11:58:11 +0000 | [diff] [blame] | 1147 | static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = { |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1148 | { PCI_DEVICE(0x1814, 0x0601), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1149 | { PCI_DEVICE(0x1814, 0x0681), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1150 | { PCI_DEVICE(0x1814, 0x0701), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1151 | { PCI_DEVICE(0x1814, 0x0781), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1152 | { PCI_DEVICE(0x1432, 0x7708), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1153 | { PCI_DEVICE(0x1432, 0x7727), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1154 | { PCI_DEVICE(0x1432, 0x7728), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1155 | { PCI_DEVICE(0x1432, 0x7738), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1156 | { PCI_DEVICE(0x1432, 0x7748), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1157 | { PCI_DEVICE(0x1432, 0x7758), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1158 | { PCI_DEVICE(0x1432, 0x7768), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1159 | { PCI_DEVICE(0x1a3b, 0x1059), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1160 | #ifdef CONFIG_RT2800PCI_RT30XX |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1161 | { PCI_DEVICE(0x1814, 0x3090), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1162 | { PCI_DEVICE(0x1814, 0x3091), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1163 | { PCI_DEVICE(0x1814, 0x3092), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1164 | { PCI_DEVICE(0x1462, 0x891a), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1165 | #endif |
| 1166 | #ifdef CONFIG_RT2800PCI_RT35XX |
| 1167 | { PCI_DEVICE(0x1814, 0x3060), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1168 | { PCI_DEVICE(0x1814, 0x3062), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1169 | { PCI_DEVICE(0x1814, 0x3562), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1170 | { PCI_DEVICE(0x1814, 0x3592), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Xose Vazquez Perez | 6424bf7 | 2010-03-28 17:48:05 +0200 | [diff] [blame] | 1171 | { PCI_DEVICE(0x1814, 0x3593), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1172 | #endif |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1173 | { 0, } |
| 1174 | }; |
Helmut Schaa | d6e36ec | 2010-03-15 17:22:26 +0100 | [diff] [blame] | 1175 | #endif /* CONFIG_RT2800PCI_PCI */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1176 | |
| 1177 | MODULE_AUTHOR(DRV_PROJECT); |
| 1178 | MODULE_VERSION(DRV_VERSION); |
| 1179 | MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver."); |
| 1180 | MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards"); |
| 1181 | #ifdef CONFIG_RT2800PCI_PCI |
| 1182 | MODULE_FIRMWARE(FIRMWARE_RT2860); |
| 1183 | MODULE_DEVICE_TABLE(pci, rt2800pci_device_table); |
| 1184 | #endif /* CONFIG_RT2800PCI_PCI */ |
| 1185 | MODULE_LICENSE("GPL"); |
| 1186 | |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 1187 | #ifdef CONFIG_RT2800PCI_SOC |
Gertjan van Wingerde | 714fa66 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1188 | static int rt2800soc_probe(struct platform_device *pdev) |
| 1189 | { |
Helmut Schaa | 6e93d71 | 2010-03-02 16:34:49 +0100 | [diff] [blame] | 1190 | return rt2x00soc_probe(pdev, &rt2800pci_ops); |
Gertjan van Wingerde | 714fa66 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1191 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1192 | |
| 1193 | static struct platform_driver rt2800soc_driver = { |
| 1194 | .driver = { |
| 1195 | .name = "rt2800_wmac", |
| 1196 | .owner = THIS_MODULE, |
| 1197 | .mod_name = KBUILD_MODNAME, |
| 1198 | }, |
Gertjan van Wingerde | 714fa66 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1199 | .probe = rt2800soc_probe, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1200 | .remove = __devexit_p(rt2x00soc_remove), |
| 1201 | .suspend = rt2x00soc_suspend, |
| 1202 | .resume = rt2x00soc_resume, |
| 1203 | }; |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 1204 | #endif /* CONFIG_RT2800PCI_SOC */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1205 | |
| 1206 | #ifdef CONFIG_RT2800PCI_PCI |
| 1207 | static struct pci_driver rt2800pci_driver = { |
| 1208 | .name = KBUILD_MODNAME, |
| 1209 | .id_table = rt2800pci_device_table, |
| 1210 | .probe = rt2x00pci_probe, |
| 1211 | .remove = __devexit_p(rt2x00pci_remove), |
| 1212 | .suspend = rt2x00pci_suspend, |
| 1213 | .resume = rt2x00pci_resume, |
| 1214 | }; |
| 1215 | #endif /* CONFIG_RT2800PCI_PCI */ |
| 1216 | |
| 1217 | static int __init rt2800pci_init(void) |
| 1218 | { |
| 1219 | int ret = 0; |
| 1220 | |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 1221 | #ifdef CONFIG_RT2800PCI_SOC |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1222 | ret = platform_driver_register(&rt2800soc_driver); |
| 1223 | if (ret) |
| 1224 | return ret; |
| 1225 | #endif |
| 1226 | #ifdef CONFIG_RT2800PCI_PCI |
| 1227 | ret = pci_register_driver(&rt2800pci_driver); |
| 1228 | if (ret) { |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 1229 | #ifdef CONFIG_RT2800PCI_SOC |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1230 | platform_driver_unregister(&rt2800soc_driver); |
| 1231 | #endif |
| 1232 | return ret; |
| 1233 | } |
| 1234 | #endif |
| 1235 | |
| 1236 | return ret; |
| 1237 | } |
| 1238 | |
| 1239 | static void __exit rt2800pci_exit(void) |
| 1240 | { |
| 1241 | #ifdef CONFIG_RT2800PCI_PCI |
| 1242 | pci_unregister_driver(&rt2800pci_driver); |
| 1243 | #endif |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 1244 | #ifdef CONFIG_RT2800PCI_SOC |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1245 | platform_driver_unregister(&rt2800soc_driver); |
| 1246 | #endif |
| 1247 | } |
| 1248 | |
| 1249 | module_init(rt2800pci_init); |
| 1250 | module_exit(rt2800pci_exit); |