Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1 | /* |
Ivo van Doorn | 96481b2 | 2010-08-06 20:47:57 +0200 | [diff] [blame] | 2 | Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com> |
Gertjan van Wingerde | 9c9a0d1 | 2009-11-08 16:39:55 +0100 | [diff] [blame] | 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 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 34 | #include <linux/delay.h> |
| 35 | #include <linux/etherdevice.h> |
| 36 | #include <linux/init.h> |
| 37 | #include <linux/kernel.h> |
| 38 | #include <linux/module.h> |
| 39 | #include <linux/pci.h> |
| 40 | #include <linux/platform_device.h> |
| 41 | #include <linux/eeprom_93cx6.h> |
| 42 | |
| 43 | #include "rt2x00.h" |
| 44 | #include "rt2x00pci.h" |
| 45 | #include "rt2x00soc.h" |
Bartlomiej Zolnierkiewicz | 7ef5cc9 | 2009-11-04 18:35:32 +0100 | [diff] [blame] | 46 | #include "rt2800lib.h" |
Bartlomiej Zolnierkiewicz | b54f78a | 2009-11-04 18:35:54 +0100 | [diff] [blame] | 47 | #include "rt2800.h" |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 48 | #include "rt2800pci.h" |
| 49 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 50 | /* |
| 51 | * Allow hardware encryption to be disabled. |
| 52 | */ |
Ivo van Doorn | 04f1e34 | 2010-06-14 22:13:56 +0200 | [diff] [blame] | 53 | static int modparam_nohwcrypt = 0; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 54 | module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); |
| 55 | MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); |
| 56 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 57 | static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token) |
| 58 | { |
| 59 | unsigned int i; |
| 60 | u32 reg; |
| 61 | |
Luis Correia | f18d446 | 2010-04-03 12:49:53 +0100 | [diff] [blame] | 62 | /* |
| 63 | * SOC devices don't support MCU requests. |
| 64 | */ |
| 65 | if (rt2x00_is_soc(rt2x00dev)) |
| 66 | return; |
| 67 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 68 | for (i = 0; i < 200; i++) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 69 | rt2800_register_read(rt2x00dev, H2M_MAILBOX_CID, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 70 | |
| 71 | if ((rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD0) == token) || |
| 72 | (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD1) == token) || |
| 73 | (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD2) == token) || |
| 74 | (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD3) == token)) |
| 75 | break; |
| 76 | |
| 77 | udelay(REGISTER_BUSY_DELAY); |
| 78 | } |
| 79 | |
| 80 | if (i == 200) |
| 81 | ERROR(rt2x00dev, "MCU request failed, no response from hardware\n"); |
| 82 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 83 | rt2800_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0); |
| 84 | rt2800_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 85 | } |
| 86 | |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 87 | #if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 88 | static void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev) |
| 89 | { |
Gertjan van Wingerde | ef8397c | 2010-11-13 19:11:22 +0100 | [diff] [blame] | 90 | void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 91 | |
| 92 | memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE); |
Gertjan van Wingerde | ef8397c | 2010-11-13 19:11:22 +0100 | [diff] [blame] | 93 | |
| 94 | iounmap(base_addr); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 95 | } |
| 96 | #else |
| 97 | static inline void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev) |
| 98 | { |
| 99 | } |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 100 | #endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 101 | |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 102 | #ifdef CONFIG_PCI |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 103 | static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom) |
| 104 | { |
| 105 | struct rt2x00_dev *rt2x00dev = eeprom->data; |
| 106 | u32 reg; |
| 107 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 108 | rt2800_register_read(rt2x00dev, E2PROM_CSR, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 109 | |
| 110 | eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN); |
| 111 | eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT); |
| 112 | eeprom->reg_data_clock = |
| 113 | !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK); |
| 114 | eeprom->reg_chip_select = |
| 115 | !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT); |
| 116 | } |
| 117 | |
| 118 | static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom) |
| 119 | { |
| 120 | struct rt2x00_dev *rt2x00dev = eeprom->data; |
| 121 | u32 reg = 0; |
| 122 | |
| 123 | rt2x00_set_field32(®, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in); |
| 124 | rt2x00_set_field32(®, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out); |
| 125 | rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK, |
| 126 | !!eeprom->reg_data_clock); |
| 127 | rt2x00_set_field32(®, E2PROM_CSR_CHIP_SELECT, |
| 128 | !!eeprom->reg_chip_select); |
| 129 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 130 | rt2800_register_write(rt2x00dev, E2PROM_CSR, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev) |
| 134 | { |
| 135 | struct eeprom_93cx6 eeprom; |
| 136 | u32 reg; |
| 137 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 138 | rt2800_register_read(rt2x00dev, E2PROM_CSR, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 139 | |
| 140 | eeprom.data = rt2x00dev; |
| 141 | eeprom.register_read = rt2800pci_eepromregister_read; |
| 142 | eeprom.register_write = rt2800pci_eepromregister_write; |
Gertjan van Wingerde | 20f8b13 | 2010-06-29 21:44:18 +0200 | [diff] [blame] | 143 | switch (rt2x00_get_field32(reg, E2PROM_CSR_TYPE)) |
| 144 | { |
| 145 | case 0: |
| 146 | eeprom.width = PCI_EEPROM_WIDTH_93C46; |
| 147 | break; |
| 148 | case 1: |
| 149 | eeprom.width = PCI_EEPROM_WIDTH_93C66; |
| 150 | break; |
| 151 | default: |
| 152 | eeprom.width = PCI_EEPROM_WIDTH_93C86; |
| 153 | break; |
| 154 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 155 | eeprom.reg_data_in = 0; |
| 156 | eeprom.reg_data_out = 0; |
| 157 | eeprom.reg_data_clock = 0; |
| 158 | eeprom.reg_chip_select = 0; |
| 159 | |
| 160 | eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom, |
| 161 | EEPROM_SIZE / sizeof(u16)); |
| 162 | } |
| 163 | |
Gertjan van Wingerde | a659868 | 2009-11-08 12:30:35 +0100 | [diff] [blame] | 164 | static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev) |
| 165 | { |
Bartlomiej Zolnierkiewicz | 30e8403 | 2009-11-08 14:39:48 +0100 | [diff] [blame] | 166 | return rt2800_efuse_detect(rt2x00dev); |
Gertjan van Wingerde | a659868 | 2009-11-08 12:30:35 +0100 | [diff] [blame] | 167 | } |
| 168 | |
Bartlomiej Zolnierkiewicz | 30e8403 | 2009-11-08 14:39:48 +0100 | [diff] [blame] | 169 | static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 170 | { |
Bartlomiej Zolnierkiewicz | 30e8403 | 2009-11-08 14:39:48 +0100 | [diff] [blame] | 171 | rt2800_read_eeprom_efuse(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 172 | } |
| 173 | #else |
| 174 | static inline void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev) |
| 175 | { |
| 176 | } |
| 177 | |
Gertjan van Wingerde | a659868 | 2009-11-08 12:30:35 +0100 | [diff] [blame] | 178 | static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev) |
| 179 | { |
| 180 | return 0; |
| 181 | } |
| 182 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 183 | static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) |
| 184 | { |
| 185 | } |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 186 | #endif /* CONFIG_PCI */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 187 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 188 | /* |
| 189 | * Firmware functions |
| 190 | */ |
| 191 | static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev) |
| 192 | { |
| 193 | return FIRMWARE_RT2860; |
| 194 | } |
| 195 | |
Ivo van Doorn | f31c9a8 | 2010-07-11 12:30:37 +0200 | [diff] [blame] | 196 | static int rt2800pci_write_firmware(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 197 | const u8 *data, const size_t len) |
| 198 | { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 199 | u32 reg; |
| 200 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 201 | /* |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 202 | * enable Host program ram write selection |
| 203 | */ |
| 204 | reg = 0; |
| 205 | rt2x00_set_field32(®, PBF_SYS_CTRL_HOST_RAM_WRITE, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 206 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 207 | |
| 208 | /* |
| 209 | * Write firmware to device. |
| 210 | */ |
Bartlomiej Zolnierkiewicz | 4f2732c | 2009-11-04 18:33:27 +0100 | [diff] [blame] | 211 | rt2800_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, |
Ivo van Doorn | f31c9a8 | 2010-07-11 12:30:37 +0200 | [diff] [blame] | 212 | data, len); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 213 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 214 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000); |
| 215 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 216 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 217 | rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0); |
| 218 | rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 219 | |
| 220 | return 0; |
| 221 | } |
| 222 | |
| 223 | /* |
| 224 | * Initialization functions. |
| 225 | */ |
| 226 | static bool rt2800pci_get_entry_state(struct queue_entry *entry) |
| 227 | { |
| 228 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 229 | u32 word; |
| 230 | |
| 231 | if (entry->queue->qid == QID_RX) { |
| 232 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 233 | |
| 234 | return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE)); |
| 235 | } else { |
| 236 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 237 | |
| 238 | return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE)); |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | static void rt2800pci_clear_entry(struct queue_entry *entry) |
| 243 | { |
| 244 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 245 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
Helmut Schaa | 9519233 | 2010-10-02 11:29:30 +0200 | [diff] [blame] | 246 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 247 | u32 word; |
| 248 | |
| 249 | if (entry->queue->qid == QID_RX) { |
| 250 | rt2x00_desc_read(entry_priv->desc, 0, &word); |
| 251 | rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma); |
| 252 | rt2x00_desc_write(entry_priv->desc, 0, word); |
| 253 | |
| 254 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 255 | rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0); |
| 256 | rt2x00_desc_write(entry_priv->desc, 1, word); |
Helmut Schaa | 9519233 | 2010-10-02 11:29:30 +0200 | [diff] [blame] | 257 | |
| 258 | /* |
| 259 | * Set RX IDX in register to inform hardware that we have |
| 260 | * handled this entry and it is available for reuse again. |
| 261 | */ |
| 262 | rt2800_register_write(rt2x00dev, RX_CRX_IDX, |
| 263 | entry->entry_idx); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 264 | } else { |
| 265 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 266 | rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1); |
| 267 | rt2x00_desc_write(entry_priv->desc, 1, word); |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev) |
| 272 | { |
| 273 | struct queue_entry_priv_pci *entry_priv; |
| 274 | u32 reg; |
| 275 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 276 | /* |
| 277 | * Initialize registers. |
| 278 | */ |
| 279 | entry_priv = rt2x00dev->tx[0].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 280 | rt2800_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma); |
| 281 | rt2800_register_write(rt2x00dev, TX_MAX_CNT0, rt2x00dev->tx[0].limit); |
| 282 | rt2800_register_write(rt2x00dev, TX_CTX_IDX0, 0); |
| 283 | rt2800_register_write(rt2x00dev, TX_DTX_IDX0, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 284 | |
| 285 | entry_priv = rt2x00dev->tx[1].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 286 | rt2800_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma); |
| 287 | rt2800_register_write(rt2x00dev, TX_MAX_CNT1, rt2x00dev->tx[1].limit); |
| 288 | rt2800_register_write(rt2x00dev, TX_CTX_IDX1, 0); |
| 289 | rt2800_register_write(rt2x00dev, TX_DTX_IDX1, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 290 | |
| 291 | entry_priv = rt2x00dev->tx[2].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 292 | rt2800_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma); |
| 293 | rt2800_register_write(rt2x00dev, TX_MAX_CNT2, rt2x00dev->tx[2].limit); |
| 294 | rt2800_register_write(rt2x00dev, TX_CTX_IDX2, 0); |
| 295 | rt2800_register_write(rt2x00dev, TX_DTX_IDX2, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 296 | |
| 297 | entry_priv = rt2x00dev->tx[3].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 298 | rt2800_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma); |
| 299 | rt2800_register_write(rt2x00dev, TX_MAX_CNT3, rt2x00dev->tx[3].limit); |
| 300 | rt2800_register_write(rt2x00dev, TX_CTX_IDX3, 0); |
| 301 | rt2800_register_write(rt2x00dev, TX_DTX_IDX3, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 302 | |
| 303 | entry_priv = rt2x00dev->rx->entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 304 | rt2800_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma); |
| 305 | rt2800_register_write(rt2x00dev, RX_MAX_CNT, rt2x00dev->rx[0].limit); |
| 306 | rt2800_register_write(rt2x00dev, RX_CRX_IDX, rt2x00dev->rx[0].limit - 1); |
| 307 | rt2800_register_write(rt2x00dev, RX_DRX_IDX, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 308 | |
| 309 | /* |
| 310 | * Enable global DMA configuration |
| 311 | */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 312 | rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 313 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); |
| 314 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); |
| 315 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 316 | rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 317 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 318 | rt2800_register_write(rt2x00dev, DELAY_INT_CFG, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 319 | |
| 320 | return 0; |
| 321 | } |
| 322 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 323 | /* |
| 324 | * Device state switch handlers. |
| 325 | */ |
| 326 | static void rt2800pci_toggle_rx(struct rt2x00_dev *rt2x00dev, |
| 327 | enum dev_state state) |
| 328 | { |
| 329 | u32 reg; |
| 330 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 331 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 332 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, |
Ivo van Doorn | ea175ee | 2010-11-06 15:48:43 +0100 | [diff] [blame] | 333 | (state == STATE_RADIO_RX_ON)); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 334 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 335 | } |
| 336 | |
| 337 | static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev, |
| 338 | enum dev_state state) |
| 339 | { |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 340 | int mask = (state == STATE_RADIO_IRQ_ON) || |
| 341 | (state == STATE_RADIO_IRQ_ON_ISR); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 342 | u32 reg; |
| 343 | |
| 344 | /* |
| 345 | * When interrupts are being enabled, the interrupt registers |
| 346 | * should clear the register to assure a clean state. |
| 347 | */ |
| 348 | if (state == STATE_RADIO_IRQ_ON) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 349 | rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, ®); |
| 350 | rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 351 | } |
| 352 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 353 | rt2800_register_read(rt2x00dev, INT_MASK_CSR, ®); |
Helmut Schaa | 93149cf | 2010-09-08 20:56:52 +0200 | [diff] [blame] | 354 | rt2x00_set_field32(®, INT_MASK_CSR_RXDELAYINT, 0); |
| 355 | rt2x00_set_field32(®, INT_MASK_CSR_TXDELAYINT, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 356 | rt2x00_set_field32(®, INT_MASK_CSR_RX_DONE, mask); |
Helmut Schaa | 93149cf | 2010-09-08 20:56:52 +0200 | [diff] [blame] | 357 | rt2x00_set_field32(®, INT_MASK_CSR_AC0_DMA_DONE, 0); |
| 358 | rt2x00_set_field32(®, INT_MASK_CSR_AC1_DMA_DONE, 0); |
| 359 | rt2x00_set_field32(®, INT_MASK_CSR_AC2_DMA_DONE, 0); |
| 360 | rt2x00_set_field32(®, INT_MASK_CSR_AC3_DMA_DONE, 0); |
| 361 | rt2x00_set_field32(®, INT_MASK_CSR_HCCA_DMA_DONE, 0); |
| 362 | rt2x00_set_field32(®, INT_MASK_CSR_MGMT_DMA_DONE, 0); |
| 363 | rt2x00_set_field32(®, INT_MASK_CSR_MCU_COMMAND, 0); |
| 364 | rt2x00_set_field32(®, INT_MASK_CSR_RXTX_COHERENT, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 365 | rt2x00_set_field32(®, INT_MASK_CSR_TBTT, mask); |
| 366 | rt2x00_set_field32(®, INT_MASK_CSR_PRE_TBTT, mask); |
| 367 | rt2x00_set_field32(®, INT_MASK_CSR_TX_FIFO_STATUS, mask); |
| 368 | rt2x00_set_field32(®, INT_MASK_CSR_AUTO_WAKEUP, mask); |
Helmut Schaa | 93149cf | 2010-09-08 20:56:52 +0200 | [diff] [blame] | 369 | rt2x00_set_field32(®, INT_MASK_CSR_GPTIMER, 0); |
| 370 | rt2x00_set_field32(®, INT_MASK_CSR_RX_COHERENT, 0); |
| 371 | rt2x00_set_field32(®, INT_MASK_CSR_TX_COHERENT, 0); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 372 | rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 373 | } |
| 374 | |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 375 | static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev) |
| 376 | { |
| 377 | u32 reg; |
| 378 | |
| 379 | /* |
| 380 | * Reset DMA indexes |
| 381 | */ |
| 382 | rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, ®); |
| 383 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1); |
| 384 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1); |
| 385 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1); |
| 386 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1); |
| 387 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1); |
| 388 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1); |
| 389 | rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1); |
| 390 | rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg); |
| 391 | |
| 392 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f); |
| 393 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00); |
| 394 | |
| 395 | rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003); |
| 396 | |
| 397 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
| 398 | rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_CSR, 1); |
| 399 | rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_BBP, 1); |
| 400 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
| 401 | |
| 402 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); |
| 403 | |
| 404 | return 0; |
| 405 | } |
| 406 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 407 | static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev) |
| 408 | { |
Gertjan van Wingerde | 67a4c1e | 2009-12-30 11:36:32 +0100 | [diff] [blame] | 409 | if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) || |
Ivo van Doorn | b9a07ae | 2010-08-23 19:55:22 +0200 | [diff] [blame] | 410 | rt2800pci_init_queues(rt2x00dev))) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 411 | return -EIO; |
| 412 | |
Ivo van Doorn | b9a07ae | 2010-08-23 19:55:22 +0200 | [diff] [blame] | 413 | return rt2800_enable_radio(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 414 | } |
| 415 | |
| 416 | static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev) |
| 417 | { |
| 418 | u32 reg; |
| 419 | |
Ivo van Doorn | b9a07ae | 2010-08-23 19:55:22 +0200 | [diff] [blame] | 420 | rt2800_disable_radio(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 421 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 422 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001280); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 423 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 424 | rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 425 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1); |
| 426 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1); |
| 427 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1); |
| 428 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1); |
| 429 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1); |
| 430 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1); |
| 431 | rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 432 | rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 433 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 434 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f); |
| 435 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 436 | } |
| 437 | |
| 438 | static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev, |
| 439 | enum dev_state state) |
| 440 | { |
| 441 | /* |
| 442 | * Always put the device to sleep (even when we intend to wakeup!) |
| 443 | * if the device is booting and wasn't asleep it will return |
| 444 | * failure when attempting to wakeup. |
| 445 | */ |
Ivo van Doorn | 303c7d6 | 2010-11-04 20:40:46 +0100 | [diff] [blame] | 446 | rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 447 | |
| 448 | if (state == STATE_AWAKE) { |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 449 | rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 450 | rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP); |
| 451 | } |
| 452 | |
| 453 | return 0; |
| 454 | } |
| 455 | |
| 456 | static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev, |
| 457 | enum dev_state state) |
| 458 | { |
| 459 | int retval = 0; |
| 460 | |
| 461 | switch (state) { |
| 462 | case STATE_RADIO_ON: |
| 463 | /* |
| 464 | * Before the radio can be enabled, the device first has |
| 465 | * to be woken up. After that it needs a bit of time |
| 466 | * to be fully awake and then the radio can be enabled. |
| 467 | */ |
| 468 | rt2800pci_set_state(rt2x00dev, STATE_AWAKE); |
| 469 | msleep(1); |
| 470 | retval = rt2800pci_enable_radio(rt2x00dev); |
| 471 | break; |
| 472 | case STATE_RADIO_OFF: |
| 473 | /* |
| 474 | * After the radio has been disabled, the device should |
| 475 | * be put to sleep for powersaving. |
| 476 | */ |
| 477 | rt2800pci_disable_radio(rt2x00dev); |
| 478 | rt2800pci_set_state(rt2x00dev, STATE_SLEEP); |
| 479 | break; |
| 480 | case STATE_RADIO_RX_ON: |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 481 | case STATE_RADIO_RX_OFF: |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 482 | rt2800pci_toggle_rx(rt2x00dev, state); |
| 483 | break; |
| 484 | case STATE_RADIO_IRQ_ON: |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 485 | case STATE_RADIO_IRQ_ON_ISR: |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 486 | case STATE_RADIO_IRQ_OFF: |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 487 | case STATE_RADIO_IRQ_OFF_ISR: |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 488 | rt2800pci_toggle_irq(rt2x00dev, state); |
| 489 | break; |
| 490 | case STATE_DEEP_SLEEP: |
| 491 | case STATE_SLEEP: |
| 492 | case STATE_STANDBY: |
| 493 | case STATE_AWAKE: |
| 494 | retval = rt2800pci_set_state(rt2x00dev, state); |
| 495 | break; |
| 496 | default: |
| 497 | retval = -ENOTSUPP; |
| 498 | break; |
| 499 | } |
| 500 | |
| 501 | if (unlikely(retval)) |
| 502 | ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", |
| 503 | state, retval); |
| 504 | |
| 505 | return retval; |
| 506 | } |
| 507 | |
| 508 | /* |
| 509 | * TX descriptor initialization |
| 510 | */ |
Ivo van Doorn | 0c5879b | 2010-08-06 20:47:20 +0200 | [diff] [blame] | 511 | static __le32 *rt2800pci_get_txwi(struct queue_entry *entry) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 512 | { |
Ivo van Doorn | 0c5879b | 2010-08-06 20:47:20 +0200 | [diff] [blame] | 513 | return (__le32 *) entry->skb->data; |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 514 | } |
| 515 | |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 516 | static void rt2800pci_write_tx_desc(struct queue_entry *entry, |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 517 | struct txentry_desc *txdesc) |
| 518 | { |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 519 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
| 520 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 521 | __le32 *txd = entry_priv->desc; |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 522 | u32 word; |
| 523 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 524 | /* |
| 525 | * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1 |
| 526 | * must contains a TXWI structure + 802.11 header + padding + 802.11 |
| 527 | * data. We choose to have SD_PTR0/SD_LEN0 only contains TXWI and |
| 528 | * SD_PTR1/SD_LEN1 contains 802.11 header + padding + 802.11 |
| 529 | * data. It means that LAST_SEC0 is always 0. |
| 530 | */ |
| 531 | |
| 532 | /* |
| 533 | * Initialize TX descriptor |
| 534 | */ |
| 535 | rt2x00_desc_read(txd, 0, &word); |
| 536 | rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma); |
| 537 | rt2x00_desc_write(txd, 0, word); |
| 538 | |
| 539 | rt2x00_desc_read(txd, 1, &word); |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 540 | rt2x00_set_field32(&word, TXD_W1_SD_LEN1, entry->skb->len); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 541 | rt2x00_set_field32(&word, TXD_W1_LAST_SEC1, |
| 542 | !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); |
| 543 | rt2x00_set_field32(&word, TXD_W1_BURST, |
| 544 | test_bit(ENTRY_TXD_BURST, &txdesc->flags)); |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 545 | rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 546 | rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0); |
| 547 | rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0); |
| 548 | rt2x00_desc_write(txd, 1, word); |
| 549 | |
| 550 | rt2x00_desc_read(txd, 2, &word); |
| 551 | rt2x00_set_field32(&word, TXD_W2_SD_PTR1, |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 552 | skbdesc->skb_dma + TXWI_DESC_SIZE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 553 | rt2x00_desc_write(txd, 2, word); |
| 554 | |
| 555 | rt2x00_desc_read(txd, 3, &word); |
| 556 | rt2x00_set_field32(&word, TXD_W3_WIV, |
| 557 | !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); |
| 558 | rt2x00_set_field32(&word, TXD_W3_QSEL, 2); |
| 559 | rt2x00_desc_write(txd, 3, word); |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 560 | |
| 561 | /* |
| 562 | * Register descriptor details in skb frame descriptor. |
| 563 | */ |
| 564 | skbdesc->desc = txd; |
| 565 | skbdesc->desc_len = TXD_DESC_SIZE; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 566 | } |
| 567 | |
| 568 | /* |
| 569 | * TX data initialization |
| 570 | */ |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 571 | static void rt2800pci_kick_tx_queue(struct data_queue *queue) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 572 | { |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 573 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; |
Ivo van Doorn | 5eb7efe | 2010-08-23 19:54:21 +0200 | [diff] [blame] | 574 | struct queue_entry *entry = rt2x00queue_get_entry(queue, Q_INDEX); |
Helmut Schaa | 7437472 | 2010-10-09 13:35:13 +0200 | [diff] [blame] | 575 | unsigned int qidx; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 576 | |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 577 | if (queue->qid == QID_MGMT) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 578 | qidx = 5; |
| 579 | else |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 580 | qidx = queue->qid; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 581 | |
Ivo van Doorn | 5eb7efe | 2010-08-23 19:54:21 +0200 | [diff] [blame] | 582 | rt2800_register_write(rt2x00dev, TX_CTX_IDX(qidx), entry->entry_idx); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 583 | } |
| 584 | |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 585 | static void rt2800pci_kill_tx_queue(struct data_queue *queue) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 586 | { |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 587 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 588 | u32 reg; |
| 589 | |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 590 | if (queue->qid == QID_BEACON) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 591 | rt2800_register_write(rt2x00dev, BCN_TIME_CFG, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 592 | return; |
| 593 | } |
| 594 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 595 | rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, ®); |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 596 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, (queue->qid == QID_AC_BE)); |
| 597 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, (queue->qid == QID_AC_BK)); |
| 598 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, (queue->qid == QID_AC_VI)); |
| 599 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, (queue->qid == QID_AC_VO)); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 600 | rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 601 | } |
| 602 | |
| 603 | /* |
| 604 | * RX control handlers |
| 605 | */ |
| 606 | static void rt2800pci_fill_rxdone(struct queue_entry *entry, |
| 607 | struct rxdone_entry_desc *rxdesc) |
| 608 | { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 609 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 610 | __le32 *rxd = entry_priv->desc; |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 611 | u32 word; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 612 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 613 | rt2x00_desc_read(rxd, 3, &word); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 614 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 615 | if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 616 | rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; |
| 617 | |
Gertjan van Wingerde | 78b8f3b | 2010-05-08 23:40:20 +0200 | [diff] [blame] | 618 | /* |
| 619 | * Unfortunately we don't know the cipher type used during |
| 620 | * decryption. This prevents us from correct providing |
| 621 | * correct statistics through debugfs. |
| 622 | */ |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 623 | rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 624 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 625 | if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 626 | /* |
| 627 | * Hardware has stripped IV/EIV data from 802.11 frame during |
| 628 | * decryption. Unfortunately the descriptor doesn't contain |
| 629 | * any fields with the EIV/IV data either, so they can't |
| 630 | * be restored by rt2x00lib. |
| 631 | */ |
| 632 | rxdesc->flags |= RX_FLAG_IV_STRIPPED; |
| 633 | |
| 634 | if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) |
| 635 | rxdesc->flags |= RX_FLAG_DECRYPTED; |
| 636 | else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) |
| 637 | rxdesc->flags |= RX_FLAG_MMIC_ERROR; |
| 638 | } |
| 639 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 640 | if (rt2x00_get_field32(word, RXD_W3_MY_BSS)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 641 | rxdesc->dev_flags |= RXDONE_MY_BSS; |
| 642 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 643 | if (rt2x00_get_field32(word, RXD_W3_L2PAD)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 644 | rxdesc->dev_flags |= RXDONE_L2PAD; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 645 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 646 | /* |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 647 | * 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] | 648 | */ |
Ivo van Doorn | 7486192 | 2010-07-11 12:23:50 +0200 | [diff] [blame] | 649 | rt2800_process_rxwi(entry, rxdesc); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 650 | } |
| 651 | |
| 652 | /* |
| 653 | * Interrupt functions. |
| 654 | */ |
Gertjan van Wingerde | 4d66edc | 2010-03-30 23:50:26 +0200 | [diff] [blame] | 655 | static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev) |
| 656 | { |
| 657 | struct ieee80211_conf conf = { .flags = 0 }; |
| 658 | struct rt2x00lib_conf libconf = { .conf = &conf }; |
| 659 | |
| 660 | rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS); |
| 661 | } |
| 662 | |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 663 | static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev) |
| 664 | { |
| 665 | struct data_queue *queue; |
| 666 | struct queue_entry *entry; |
| 667 | u32 status; |
| 668 | u8 qid; |
| 669 | |
| 670 | while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo)) { |
| 671 | /* Now remove the tx status from the FIFO */ |
| 672 | if (kfifo_out(&rt2x00dev->txstatus_fifo, &status, |
| 673 | sizeof(status)) != sizeof(status)) { |
| 674 | WARN_ON(1); |
| 675 | break; |
| 676 | } |
| 677 | |
Helmut Schaa | 12eec2c | 2010-10-09 13:35:48 +0200 | [diff] [blame] | 678 | qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 679 | if (qid >= QID_RX) { |
| 680 | /* |
| 681 | * Unknown queue, this shouldn't happen. Just drop |
| 682 | * this tx status. |
| 683 | */ |
| 684 | WARNING(rt2x00dev, "Got TX status report with " |
| 685 | "unexpected pid %u, dropping", qid); |
| 686 | break; |
| 687 | } |
| 688 | |
| 689 | queue = rt2x00queue_get_queue(rt2x00dev, qid); |
| 690 | if (unlikely(queue == NULL)) { |
| 691 | /* |
| 692 | * The queue is NULL, this shouldn't happen. Stop |
| 693 | * processing here and drop the tx status |
| 694 | */ |
| 695 | WARNING(rt2x00dev, "Got TX status for an unavailable " |
| 696 | "queue %u, dropping", qid); |
| 697 | break; |
| 698 | } |
| 699 | |
| 700 | if (rt2x00queue_empty(queue)) { |
| 701 | /* |
| 702 | * The queue is empty. Stop processing here |
| 703 | * and drop the tx status. |
| 704 | */ |
| 705 | WARNING(rt2x00dev, "Got TX status for an empty " |
| 706 | "queue %u, dropping", qid); |
| 707 | break; |
| 708 | } |
| 709 | |
| 710 | entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); |
| 711 | rt2800_txdone_entry(entry, status); |
| 712 | } |
| 713 | } |
| 714 | |
| 715 | static void rt2800pci_txstatus_tasklet(unsigned long data) |
| 716 | { |
| 717 | rt2800pci_txdone((struct rt2x00_dev *)data); |
| 718 | } |
| 719 | |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 720 | static irqreturn_t rt2800pci_interrupt_thread(int irq, void *dev_instance) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 721 | { |
| 722 | struct rt2x00_dev *rt2x00dev = dev_instance; |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 723 | u32 reg = rt2x00dev->irqvalue[0]; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 724 | |
| 725 | /* |
Helmut Schaa | 9f926fb | 2010-07-11 12:28:23 +0200 | [diff] [blame] | 726 | * 1 - Pre TBTT interrupt. |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 727 | */ |
Helmut Schaa | 9f926fb | 2010-07-11 12:28:23 +0200 | [diff] [blame] | 728 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT)) |
| 729 | rt2x00lib_pretbtt(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 730 | |
Helmut Schaa | ad90319 | 2010-06-29 21:46:43 +0200 | [diff] [blame] | 731 | /* |
Helmut Schaa | 9f926fb | 2010-07-11 12:28:23 +0200 | [diff] [blame] | 732 | * 2 - Beacondone interrupt. |
Helmut Schaa | ad90319 | 2010-06-29 21:46:43 +0200 | [diff] [blame] | 733 | */ |
| 734 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT)) |
| 735 | rt2x00lib_beacondone(rt2x00dev); |
| 736 | |
Helmut Schaa | 9f926fb | 2010-07-11 12:28:23 +0200 | [diff] [blame] | 737 | /* |
| 738 | * 3 - Rx ring done interrupt. |
| 739 | */ |
| 740 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE)) |
| 741 | rt2x00pci_rxdone(rt2x00dev); |
| 742 | |
| 743 | /* |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 744 | * 4 - Auto wakeup interrupt. |
Helmut Schaa | 9f926fb | 2010-07-11 12:28:23 +0200 | [diff] [blame] | 745 | */ |
Gertjan van Wingerde | 4d66edc | 2010-03-30 23:50:26 +0200 | [diff] [blame] | 746 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP)) |
| 747 | rt2800pci_wakeup(rt2x00dev); |
| 748 | |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 749 | /* Enable interrupts again. */ |
| 750 | rt2x00dev->ops->lib->set_device_state(rt2x00dev, |
| 751 | STATE_RADIO_IRQ_ON_ISR); |
| 752 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 753 | return IRQ_HANDLED; |
| 754 | } |
| 755 | |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 756 | static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev) |
| 757 | { |
| 758 | u32 status; |
| 759 | int i; |
| 760 | |
| 761 | /* |
| 762 | * The TX_FIFO_STATUS interrupt needs special care. We should |
| 763 | * read TX_STA_FIFO but we should do it immediately as otherwise |
| 764 | * the register can overflow and we would lose status reports. |
| 765 | * |
| 766 | * Hence, read the TX_STA_FIFO register and copy all tx status |
| 767 | * reports into a kernel FIFO which is handled in the txstatus |
| 768 | * tasklet. We use a tasklet to process the tx status reports |
| 769 | * because we can schedule the tasklet multiple times (when the |
| 770 | * interrupt fires again during tx status processing). |
| 771 | * |
| 772 | * Furthermore we don't disable the TX_FIFO_STATUS |
| 773 | * interrupt here but leave it enabled so that the TX_STA_FIFO |
| 774 | * can also be read while the interrupt thread gets executed. |
| 775 | * |
| 776 | * Since we have only one producer and one consumer we don't |
| 777 | * need to lock the kfifo. |
| 778 | */ |
Helmut Schaa | efd2f27 | 2010-11-04 20:37:22 +0100 | [diff] [blame] | 779 | for (i = 0; i < rt2x00dev->ops->tx->entry_num; i++) { |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 780 | rt2800_register_read(rt2x00dev, TX_STA_FIFO, &status); |
| 781 | |
| 782 | if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID)) |
| 783 | break; |
| 784 | |
| 785 | if (kfifo_is_full(&rt2x00dev->txstatus_fifo)) { |
| 786 | WARNING(rt2x00dev, "TX status FIFO overrun," |
| 787 | " drop tx status report.\n"); |
| 788 | break; |
| 789 | } |
| 790 | |
| 791 | if (kfifo_in(&rt2x00dev->txstatus_fifo, &status, |
| 792 | sizeof(status)) != sizeof(status)) { |
| 793 | WARNING(rt2x00dev, "TX status FIFO overrun," |
| 794 | "drop tx status report.\n"); |
| 795 | break; |
| 796 | } |
| 797 | } |
| 798 | |
| 799 | /* Schedule the tasklet for processing the tx status. */ |
| 800 | tasklet_schedule(&rt2x00dev->txstatus_tasklet); |
| 801 | } |
| 802 | |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 803 | static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance) |
| 804 | { |
| 805 | struct rt2x00_dev *rt2x00dev = dev_instance; |
| 806 | u32 reg; |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 807 | irqreturn_t ret = IRQ_HANDLED; |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 808 | |
| 809 | /* Read status and ACK all interrupts */ |
| 810 | rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, ®); |
| 811 | rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg); |
| 812 | |
| 813 | if (!reg) |
| 814 | return IRQ_NONE; |
| 815 | |
| 816 | if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
| 817 | return IRQ_HANDLED; |
| 818 | |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 819 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) |
| 820 | rt2800pci_txstatus_interrupt(rt2x00dev); |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 821 | |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 822 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT) || |
| 823 | rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT) || |
| 824 | rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE) || |
| 825 | rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP)) { |
| 826 | /* |
| 827 | * All other interrupts are handled in the interrupt thread. |
| 828 | * Store irqvalue for use in the interrupt thread. |
| 829 | */ |
| 830 | rt2x00dev->irqvalue[0] = reg; |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 831 | |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 832 | /* |
| 833 | * Disable interrupts, will be enabled again in the |
| 834 | * interrupt thread. |
| 835 | */ |
| 836 | rt2x00dev->ops->lib->set_device_state(rt2x00dev, |
| 837 | STATE_RADIO_IRQ_OFF_ISR); |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 838 | |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 839 | /* |
| 840 | * Leave the TX_FIFO_STATUS interrupt enabled to not lose any |
| 841 | * tx status reports. |
| 842 | */ |
| 843 | rt2800_register_read(rt2x00dev, INT_MASK_CSR, ®); |
| 844 | rt2x00_set_field32(®, INT_MASK_CSR_TX_FIFO_STATUS, 1); |
| 845 | rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg); |
| 846 | |
| 847 | ret = IRQ_WAKE_THREAD; |
| 848 | } |
| 849 | |
| 850 | return ret; |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 851 | } |
| 852 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 853 | /* |
| 854 | * Device probe functions. |
| 855 | */ |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 856 | static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) |
| 857 | { |
| 858 | /* |
| 859 | * Read EEPROM into buffer |
| 860 | */ |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 861 | if (rt2x00_is_soc(rt2x00dev)) |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 862 | rt2800pci_read_eeprom_soc(rt2x00dev); |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 863 | else if (rt2800pci_efuse_detect(rt2x00dev)) |
| 864 | rt2800pci_read_eeprom_efuse(rt2x00dev); |
| 865 | else |
| 866 | rt2800pci_read_eeprom_pci(rt2x00dev); |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 867 | |
| 868 | return rt2800_validate_eeprom(rt2x00dev); |
| 869 | } |
| 870 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 871 | static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev) |
| 872 | { |
| 873 | int retval; |
| 874 | |
| 875 | /* |
| 876 | * Allocate eeprom data. |
| 877 | */ |
| 878 | retval = rt2800pci_validate_eeprom(rt2x00dev); |
| 879 | if (retval) |
| 880 | return retval; |
| 881 | |
Bartlomiej Zolnierkiewicz | 38bd7b8 | 2009-11-08 14:39:01 +0100 | [diff] [blame] | 882 | retval = rt2800_init_eeprom(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 883 | if (retval) |
| 884 | return retval; |
| 885 | |
| 886 | /* |
| 887 | * Initialize hw specifications. |
| 888 | */ |
Bartlomiej Zolnierkiewicz | 4da2933f | 2009-11-08 14:39:32 +0100 | [diff] [blame] | 889 | retval = rt2800_probe_hw_mode(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 890 | if (retval) |
| 891 | return retval; |
| 892 | |
| 893 | /* |
| 894 | * This device has multiple filters for control frames |
| 895 | * and has a separate filter for PS Poll frames. |
| 896 | */ |
| 897 | __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags); |
| 898 | __set_bit(DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, &rt2x00dev->flags); |
| 899 | |
| 900 | /* |
Helmut Schaa | 9f926fb | 2010-07-11 12:28:23 +0200 | [diff] [blame] | 901 | * This device has a pre tbtt interrupt and thus fetches |
| 902 | * a new beacon directly prior to transmission. |
| 903 | */ |
| 904 | __set_bit(DRIVER_SUPPORT_PRE_TBTT_INTERRUPT, &rt2x00dev->flags); |
| 905 | |
| 906 | /* |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 907 | * This device requires firmware. |
| 908 | */ |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 909 | if (!rt2x00_is_soc(rt2x00dev)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 910 | __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags); |
| 911 | __set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags); |
| 912 | __set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 913 | __set_bit(DRIVER_REQUIRE_TXSTATUS_FIFO, &rt2x00dev->flags); |
Johannes Stezenbach | 20ed316 | 2010-11-30 16:49:23 +0100 | [diff] [blame] | 914 | __set_bit(DRIVER_REQUIRE_TASKLET_CONTEXT, &rt2x00dev->flags); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 915 | if (!modparam_nohwcrypt) |
| 916 | __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); |
Ivo van Doorn | 27df2a9 | 2010-07-11 12:24:22 +0200 | [diff] [blame] | 917 | __set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 918 | |
| 919 | /* |
| 920 | * Set the rssi offset. |
| 921 | */ |
| 922 | rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; |
| 923 | |
| 924 | return 0; |
| 925 | } |
| 926 | |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 927 | static const struct ieee80211_ops rt2800pci_mac80211_ops = { |
| 928 | .tx = rt2x00mac_tx, |
| 929 | .start = rt2x00mac_start, |
| 930 | .stop = rt2x00mac_stop, |
| 931 | .add_interface = rt2x00mac_add_interface, |
| 932 | .remove_interface = rt2x00mac_remove_interface, |
| 933 | .config = rt2x00mac_config, |
| 934 | .configure_filter = rt2x00mac_configure_filter, |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 935 | .set_key = rt2x00mac_set_key, |
| 936 | .sw_scan_start = rt2x00mac_sw_scan_start, |
| 937 | .sw_scan_complete = rt2x00mac_sw_scan_complete, |
| 938 | .get_stats = rt2x00mac_get_stats, |
| 939 | .get_tkip_seq = rt2800_get_tkip_seq, |
| 940 | .set_rts_threshold = rt2800_set_rts_threshold, |
| 941 | .bss_info_changed = rt2x00mac_bss_info_changed, |
| 942 | .conf_tx = rt2800_conf_tx, |
| 943 | .get_tsf = rt2800_get_tsf, |
| 944 | .rfkill_poll = rt2x00mac_rfkill_poll, |
| 945 | .ampdu_action = rt2800_ampdu_action, |
Ivo van Doorn | f44df18 | 2010-11-04 20:40:11 +0100 | [diff] [blame] | 946 | .flush = rt2x00mac_flush, |
Helmut Schaa | 977206d | 2010-12-13 12:31:58 +0100 | [diff] [blame^] | 947 | .get_survey = rt2800_get_survey, |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 948 | }; |
| 949 | |
Ivo van Doorn | e796643 | 2010-07-11 12:31:23 +0200 | [diff] [blame] | 950 | static const struct rt2800_ops rt2800pci_rt2800_ops = { |
| 951 | .register_read = rt2x00pci_register_read, |
| 952 | .register_read_lock = rt2x00pci_register_read, /* same for PCI */ |
| 953 | .register_write = rt2x00pci_register_write, |
| 954 | .register_write_lock = rt2x00pci_register_write, /* same for PCI */ |
| 955 | .register_multiread = rt2x00pci_register_multiread, |
| 956 | .register_multiwrite = rt2x00pci_register_multiwrite, |
| 957 | .regbusy_read = rt2x00pci_regbusy_read, |
| 958 | .drv_write_firmware = rt2800pci_write_firmware, |
| 959 | .drv_init_registers = rt2800pci_init_registers, |
Ivo van Doorn | 0c5879b | 2010-08-06 20:47:20 +0200 | [diff] [blame] | 960 | .drv_get_txwi = rt2800pci_get_txwi, |
Ivo van Doorn | e796643 | 2010-07-11 12:31:23 +0200 | [diff] [blame] | 961 | }; |
| 962 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 963 | static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = { |
| 964 | .irq_handler = rt2800pci_interrupt, |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 965 | .irq_handler_thread = rt2800pci_interrupt_thread, |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 966 | .txstatus_tasklet = rt2800pci_txstatus_tasklet, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 967 | .probe_hw = rt2800pci_probe_hw, |
| 968 | .get_firmware_name = rt2800pci_get_firmware_name, |
Ivo van Doorn | f31c9a8 | 2010-07-11 12:30:37 +0200 | [diff] [blame] | 969 | .check_firmware = rt2800_check_firmware, |
| 970 | .load_firmware = rt2800_load_firmware, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 971 | .initialize = rt2x00pci_initialize, |
| 972 | .uninitialize = rt2x00pci_uninitialize, |
| 973 | .get_entry_state = rt2800pci_get_entry_state, |
| 974 | .clear_entry = rt2800pci_clear_entry, |
| 975 | .set_device_state = rt2800pci_set_device_state, |
Bartlomiej Zolnierkiewicz | f445061 | 2009-11-04 18:36:40 +0100 | [diff] [blame] | 976 | .rfkill_poll = rt2800_rfkill_poll, |
| 977 | .link_stats = rt2800_link_stats, |
| 978 | .reset_tuner = rt2800_reset_tuner, |
| 979 | .link_tuner = rt2800_link_tuner, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 980 | .write_tx_desc = rt2800pci_write_tx_desc, |
Ivo van Doorn | 0c5879b | 2010-08-06 20:47:20 +0200 | [diff] [blame] | 981 | .write_tx_data = rt2800_write_tx_data, |
Gertjan van Wingerde | f0194b2 | 2010-06-03 10:51:53 +0200 | [diff] [blame] | 982 | .write_beacon = rt2800_write_beacon, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 983 | .kick_tx_queue = rt2800pci_kick_tx_queue, |
| 984 | .kill_tx_queue = rt2800pci_kill_tx_queue, |
| 985 | .fill_rxdone = rt2800pci_fill_rxdone, |
Bartlomiej Zolnierkiewicz | f445061 | 2009-11-04 18:36:40 +0100 | [diff] [blame] | 986 | .config_shared_key = rt2800_config_shared_key, |
| 987 | .config_pairwise_key = rt2800_config_pairwise_key, |
| 988 | .config_filter = rt2800_config_filter, |
| 989 | .config_intf = rt2800_config_intf, |
| 990 | .config_erp = rt2800_config_erp, |
| 991 | .config_ant = rt2800_config_ant, |
| 992 | .config = rt2800_config, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 993 | }; |
| 994 | |
| 995 | static const struct data_queue_desc rt2800pci_queue_rx = { |
Helmut Schaa | efd2f27 | 2010-11-04 20:37:22 +0100 | [diff] [blame] | 996 | .entry_num = 128, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 997 | .data_size = AGGREGATION_SIZE, |
| 998 | .desc_size = RXD_DESC_SIZE, |
| 999 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1000 | }; |
| 1001 | |
| 1002 | static const struct data_queue_desc rt2800pci_queue_tx = { |
Helmut Schaa | efd2f27 | 2010-11-04 20:37:22 +0100 | [diff] [blame] | 1003 | .entry_num = 64, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1004 | .data_size = AGGREGATION_SIZE, |
| 1005 | .desc_size = TXD_DESC_SIZE, |
| 1006 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1007 | }; |
| 1008 | |
| 1009 | static const struct data_queue_desc rt2800pci_queue_bcn = { |
Helmut Schaa | efd2f27 | 2010-11-04 20:37:22 +0100 | [diff] [blame] | 1010 | .entry_num = 8, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1011 | .data_size = 0, /* No DMA required for beacons */ |
| 1012 | .desc_size = TXWI_DESC_SIZE, |
| 1013 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1014 | }; |
| 1015 | |
| 1016 | static const struct rt2x00_ops rt2800pci_ops = { |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1017 | .name = KBUILD_MODNAME, |
| 1018 | .max_sta_intf = 1, |
| 1019 | .max_ap_intf = 8, |
| 1020 | .eeprom_size = EEPROM_SIZE, |
| 1021 | .rf_size = RF_SIZE, |
| 1022 | .tx_queues = NUM_TX_QUEUES, |
Gertjan van Wingerde | e6218cc | 2009-11-23 22:44:52 +0100 | [diff] [blame] | 1023 | .extra_tx_headroom = TXWI_DESC_SIZE, |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1024 | .rx = &rt2800pci_queue_rx, |
| 1025 | .tx = &rt2800pci_queue_tx, |
| 1026 | .bcn = &rt2800pci_queue_bcn, |
| 1027 | .lib = &rt2800pci_rt2x00_ops, |
Ivo van Doorn | e796643 | 2010-07-11 12:31:23 +0200 | [diff] [blame] | 1028 | .drv = &rt2800pci_rt2800_ops, |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 1029 | .hw = &rt2800pci_mac80211_ops, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1030 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1031 | .debugfs = &rt2800_rt2x00debug, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1032 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
| 1033 | }; |
| 1034 | |
| 1035 | /* |
| 1036 | * RT2800pci module information. |
| 1037 | */ |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1038 | #ifdef CONFIG_PCI |
Alexey Dobriyan | a3aa188 | 2010-01-07 11:58:11 +0000 | [diff] [blame] | 1039 | static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = { |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1040 | { PCI_DEVICE(0x1814, 0x0601), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1041 | { PCI_DEVICE(0x1814, 0x0681), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1042 | { PCI_DEVICE(0x1814, 0x0701), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1043 | { PCI_DEVICE(0x1814, 0x0781), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Gertjan van Wingerde | a6a8d66e | 2010-11-13 19:10:31 +0100 | [diff] [blame] | 1044 | { PCI_DEVICE(0x1814, 0x3090), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1045 | { PCI_DEVICE(0x1814, 0x3091), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1046 | { PCI_DEVICE(0x1814, 0x3092), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1047 | { PCI_DEVICE(0x1432, 0x7708), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1048 | { PCI_DEVICE(0x1432, 0x7727), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1049 | { PCI_DEVICE(0x1432, 0x7728), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1050 | { PCI_DEVICE(0x1432, 0x7738), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1051 | { PCI_DEVICE(0x1432, 0x7748), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1052 | { PCI_DEVICE(0x1432, 0x7758), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1053 | { PCI_DEVICE(0x1432, 0x7768), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1054 | { PCI_DEVICE(0x1462, 0x891a), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Gertjan van Wingerde | a6a8d66e | 2010-11-13 19:10:31 +0100 | [diff] [blame] | 1055 | { PCI_DEVICE(0x1a3b, 0x1059), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Gertjan van Wingerde | f93bc9b | 2010-11-13 19:09:50 +0100 | [diff] [blame] | 1056 | #ifdef CONFIG_RT2800PCI_RT33XX |
| 1057 | { PCI_DEVICE(0x1814, 0x3390), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1058 | #endif |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1059 | #ifdef CONFIG_RT2800PCI_RT35XX |
| 1060 | { PCI_DEVICE(0x1814, 0x3060), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1061 | { PCI_DEVICE(0x1814, 0x3062), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1062 | { PCI_DEVICE(0x1814, 0x3562), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1063 | { PCI_DEVICE(0x1814, 0x3592), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Xose Vazquez Perez | 6424bf7 | 2010-03-28 17:48:05 +0200 | [diff] [blame] | 1064 | { PCI_DEVICE(0x1814, 0x3593), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1065 | #endif |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1066 | { 0, } |
| 1067 | }; |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1068 | #endif /* CONFIG_PCI */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1069 | |
| 1070 | MODULE_AUTHOR(DRV_PROJECT); |
| 1071 | MODULE_VERSION(DRV_VERSION); |
| 1072 | MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver."); |
| 1073 | MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards"); |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1074 | #ifdef CONFIG_PCI |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1075 | MODULE_FIRMWARE(FIRMWARE_RT2860); |
| 1076 | MODULE_DEVICE_TABLE(pci, rt2800pci_device_table); |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1077 | #endif /* CONFIG_PCI */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1078 | MODULE_LICENSE("GPL"); |
| 1079 | |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1080 | #if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) |
Gertjan van Wingerde | 714fa663 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1081 | static int rt2800soc_probe(struct platform_device *pdev) |
| 1082 | { |
Helmut Schaa | 6e93d71 | 2010-03-02 16:34:49 +0100 | [diff] [blame] | 1083 | return rt2x00soc_probe(pdev, &rt2800pci_ops); |
Gertjan van Wingerde | 714fa663 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1084 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1085 | |
| 1086 | static struct platform_driver rt2800soc_driver = { |
| 1087 | .driver = { |
| 1088 | .name = "rt2800_wmac", |
| 1089 | .owner = THIS_MODULE, |
| 1090 | .mod_name = KBUILD_MODNAME, |
| 1091 | }, |
Gertjan van Wingerde | 714fa663 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1092 | .probe = rt2800soc_probe, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1093 | .remove = __devexit_p(rt2x00soc_remove), |
| 1094 | .suspend = rt2x00soc_suspend, |
| 1095 | .resume = rt2x00soc_resume, |
| 1096 | }; |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1097 | #endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1098 | |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1099 | #ifdef CONFIG_PCI |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1100 | static struct pci_driver rt2800pci_driver = { |
| 1101 | .name = KBUILD_MODNAME, |
| 1102 | .id_table = rt2800pci_device_table, |
| 1103 | .probe = rt2x00pci_probe, |
| 1104 | .remove = __devexit_p(rt2x00pci_remove), |
| 1105 | .suspend = rt2x00pci_suspend, |
| 1106 | .resume = rt2x00pci_resume, |
| 1107 | }; |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1108 | #endif /* CONFIG_PCI */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1109 | |
| 1110 | static int __init rt2800pci_init(void) |
| 1111 | { |
| 1112 | int ret = 0; |
| 1113 | |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1114 | #if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1115 | ret = platform_driver_register(&rt2800soc_driver); |
| 1116 | if (ret) |
| 1117 | return ret; |
| 1118 | #endif |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1119 | #ifdef CONFIG_PCI |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1120 | ret = pci_register_driver(&rt2800pci_driver); |
| 1121 | if (ret) { |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1122 | #if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1123 | platform_driver_unregister(&rt2800soc_driver); |
| 1124 | #endif |
| 1125 | return ret; |
| 1126 | } |
| 1127 | #endif |
| 1128 | |
| 1129 | return ret; |
| 1130 | } |
| 1131 | |
| 1132 | static void __exit rt2800pci_exit(void) |
| 1133 | { |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1134 | #ifdef CONFIG_PCI |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1135 | pci_unregister_driver(&rt2800pci_driver); |
| 1136 | #endif |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1137 | #if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1138 | platform_driver_unregister(&rt2800soc_driver); |
| 1139 | #endif |
| 1140 | } |
| 1141 | |
| 1142 | module_init(rt2800pci_init); |
| 1143 | module_exit(rt2800pci_exit); |