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 | |
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 | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 87 | #ifdef CONFIG_RT2800PCI_SOC |
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 | { |
| 90 | u32 *base_addr = (u32 *) KSEG1ADDR(0x1F040000); /* XXX for RT3052 */ |
| 91 | |
| 92 | memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE); |
| 93 | } |
| 94 | #else |
| 95 | static inline void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev) |
| 96 | { |
| 97 | } |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 98 | #endif /* CONFIG_RT2800PCI_SOC */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 99 | |
| 100 | #ifdef CONFIG_RT2800PCI_PCI |
| 101 | static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom) |
| 102 | { |
| 103 | struct rt2x00_dev *rt2x00dev = eeprom->data; |
| 104 | u32 reg; |
| 105 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 106 | rt2800_register_read(rt2x00dev, E2PROM_CSR, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 107 | |
| 108 | eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN); |
| 109 | eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT); |
| 110 | eeprom->reg_data_clock = |
| 111 | !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK); |
| 112 | eeprom->reg_chip_select = |
| 113 | !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT); |
| 114 | } |
| 115 | |
| 116 | static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom) |
| 117 | { |
| 118 | struct rt2x00_dev *rt2x00dev = eeprom->data; |
| 119 | u32 reg = 0; |
| 120 | |
| 121 | rt2x00_set_field32(®, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in); |
| 122 | rt2x00_set_field32(®, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out); |
| 123 | rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK, |
| 124 | !!eeprom->reg_data_clock); |
| 125 | rt2x00_set_field32(®, E2PROM_CSR_CHIP_SELECT, |
| 126 | !!eeprom->reg_chip_select); |
| 127 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 128 | rt2800_register_write(rt2x00dev, E2PROM_CSR, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 129 | } |
| 130 | |
| 131 | static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev) |
| 132 | { |
| 133 | struct eeprom_93cx6 eeprom; |
| 134 | u32 reg; |
| 135 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 136 | rt2800_register_read(rt2x00dev, E2PROM_CSR, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 137 | |
| 138 | eeprom.data = rt2x00dev; |
| 139 | eeprom.register_read = rt2800pci_eepromregister_read; |
| 140 | eeprom.register_write = rt2800pci_eepromregister_write; |
Gertjan van Wingerde | 20f8b13 | 2010-06-29 21:44:18 +0200 | [diff] [blame] | 141 | switch (rt2x00_get_field32(reg, E2PROM_CSR_TYPE)) |
| 142 | { |
| 143 | case 0: |
| 144 | eeprom.width = PCI_EEPROM_WIDTH_93C46; |
| 145 | break; |
| 146 | case 1: |
| 147 | eeprom.width = PCI_EEPROM_WIDTH_93C66; |
| 148 | break; |
| 149 | default: |
| 150 | eeprom.width = PCI_EEPROM_WIDTH_93C86; |
| 151 | break; |
| 152 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 153 | eeprom.reg_data_in = 0; |
| 154 | eeprom.reg_data_out = 0; |
| 155 | eeprom.reg_data_clock = 0; |
| 156 | eeprom.reg_chip_select = 0; |
| 157 | |
| 158 | eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom, |
| 159 | EEPROM_SIZE / sizeof(u16)); |
| 160 | } |
| 161 | |
Gertjan van Wingerde | a659868 | 2009-11-08 12:30:35 +0100 | [diff] [blame] | 162 | static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev) |
| 163 | { |
Bartlomiej Zolnierkiewicz | 30e8403 | 2009-11-08 14:39:48 +0100 | [diff] [blame] | 164 | return rt2800_efuse_detect(rt2x00dev); |
Gertjan van Wingerde | a659868 | 2009-11-08 12:30:35 +0100 | [diff] [blame] | 165 | } |
| 166 | |
Bartlomiej Zolnierkiewicz | 30e8403 | 2009-11-08 14:39:48 +0100 | [diff] [blame] | 167 | static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 168 | { |
Bartlomiej Zolnierkiewicz | 30e8403 | 2009-11-08 14:39:48 +0100 | [diff] [blame] | 169 | rt2800_read_eeprom_efuse(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 170 | } |
| 171 | #else |
| 172 | static inline void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev) |
| 173 | { |
| 174 | } |
| 175 | |
Gertjan van Wingerde | a659868 | 2009-11-08 12:30:35 +0100 | [diff] [blame] | 176 | static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev) |
| 177 | { |
| 178 | return 0; |
| 179 | } |
| 180 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 181 | static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) |
| 182 | { |
| 183 | } |
| 184 | #endif /* CONFIG_RT2800PCI_PCI */ |
| 185 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 186 | /* |
| 187 | * Firmware functions |
| 188 | */ |
| 189 | static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev) |
| 190 | { |
| 191 | return FIRMWARE_RT2860; |
| 192 | } |
| 193 | |
Ivo van Doorn | f31c9a8 | 2010-07-11 12:30:37 +0200 | [diff] [blame] | 194 | static int rt2800pci_write_firmware(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 195 | const u8 *data, const size_t len) |
| 196 | { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 197 | u32 reg; |
| 198 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 199 | rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 200 | |
| 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); |
| 246 | u32 word; |
| 247 | |
| 248 | if (entry->queue->qid == QID_RX) { |
| 249 | rt2x00_desc_read(entry_priv->desc, 0, &word); |
| 250 | rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma); |
| 251 | rt2x00_desc_write(entry_priv->desc, 0, word); |
| 252 | |
| 253 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 254 | rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0); |
| 255 | rt2x00_desc_write(entry_priv->desc, 1, word); |
| 256 | } else { |
| 257 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 258 | rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1); |
| 259 | rt2x00_desc_write(entry_priv->desc, 1, word); |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev) |
| 264 | { |
| 265 | struct queue_entry_priv_pci *entry_priv; |
| 266 | u32 reg; |
| 267 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 268 | /* |
| 269 | * Initialize registers. |
| 270 | */ |
| 271 | entry_priv = rt2x00dev->tx[0].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 272 | rt2800_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma); |
| 273 | rt2800_register_write(rt2x00dev, TX_MAX_CNT0, rt2x00dev->tx[0].limit); |
| 274 | rt2800_register_write(rt2x00dev, TX_CTX_IDX0, 0); |
| 275 | rt2800_register_write(rt2x00dev, TX_DTX_IDX0, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 276 | |
| 277 | entry_priv = rt2x00dev->tx[1].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 278 | rt2800_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma); |
| 279 | rt2800_register_write(rt2x00dev, TX_MAX_CNT1, rt2x00dev->tx[1].limit); |
| 280 | rt2800_register_write(rt2x00dev, TX_CTX_IDX1, 0); |
| 281 | rt2800_register_write(rt2x00dev, TX_DTX_IDX1, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 282 | |
| 283 | entry_priv = rt2x00dev->tx[2].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 284 | rt2800_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma); |
| 285 | rt2800_register_write(rt2x00dev, TX_MAX_CNT2, rt2x00dev->tx[2].limit); |
| 286 | rt2800_register_write(rt2x00dev, TX_CTX_IDX2, 0); |
| 287 | rt2800_register_write(rt2x00dev, TX_DTX_IDX2, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 288 | |
| 289 | entry_priv = rt2x00dev->tx[3].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 290 | rt2800_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma); |
| 291 | rt2800_register_write(rt2x00dev, TX_MAX_CNT3, rt2x00dev->tx[3].limit); |
| 292 | rt2800_register_write(rt2x00dev, TX_CTX_IDX3, 0); |
| 293 | rt2800_register_write(rt2x00dev, TX_DTX_IDX3, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 294 | |
| 295 | entry_priv = rt2x00dev->rx->entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 296 | rt2800_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma); |
| 297 | rt2800_register_write(rt2x00dev, RX_MAX_CNT, rt2x00dev->rx[0].limit); |
| 298 | rt2800_register_write(rt2x00dev, RX_CRX_IDX, rt2x00dev->rx[0].limit - 1); |
| 299 | rt2800_register_write(rt2x00dev, RX_DRX_IDX, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 300 | |
| 301 | /* |
| 302 | * Enable global DMA configuration |
| 303 | */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 304 | rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 305 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); |
| 306 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); |
| 307 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 308 | rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 309 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 310 | rt2800_register_write(rt2x00dev, DELAY_INT_CFG, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 311 | |
| 312 | return 0; |
| 313 | } |
| 314 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 315 | /* |
| 316 | * Device state switch handlers. |
| 317 | */ |
| 318 | static void rt2800pci_toggle_rx(struct rt2x00_dev *rt2x00dev, |
| 319 | enum dev_state state) |
| 320 | { |
| 321 | u32 reg; |
| 322 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 323 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 324 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, |
| 325 | (state == STATE_RADIO_RX_ON) || |
| 326 | (state == STATE_RADIO_RX_ON_LINK)); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 327 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 328 | } |
| 329 | |
| 330 | static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev, |
| 331 | enum dev_state state) |
| 332 | { |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 333 | int mask = (state == STATE_RADIO_IRQ_ON) || |
| 334 | (state == STATE_RADIO_IRQ_ON_ISR); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 335 | u32 reg; |
| 336 | |
| 337 | /* |
| 338 | * When interrupts are being enabled, the interrupt registers |
| 339 | * should clear the register to assure a clean state. |
| 340 | */ |
| 341 | if (state == STATE_RADIO_IRQ_ON) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 342 | rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, ®); |
| 343 | rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 344 | } |
| 345 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 346 | rt2800_register_read(rt2x00dev, INT_MASK_CSR, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 347 | rt2x00_set_field32(®, INT_MASK_CSR_RXDELAYINT, mask); |
| 348 | rt2x00_set_field32(®, INT_MASK_CSR_TXDELAYINT, mask); |
| 349 | rt2x00_set_field32(®, INT_MASK_CSR_RX_DONE, mask); |
| 350 | rt2x00_set_field32(®, INT_MASK_CSR_AC0_DMA_DONE, mask); |
| 351 | rt2x00_set_field32(®, INT_MASK_CSR_AC1_DMA_DONE, mask); |
| 352 | rt2x00_set_field32(®, INT_MASK_CSR_AC2_DMA_DONE, mask); |
| 353 | rt2x00_set_field32(®, INT_MASK_CSR_AC3_DMA_DONE, mask); |
| 354 | rt2x00_set_field32(®, INT_MASK_CSR_HCCA_DMA_DONE, mask); |
| 355 | rt2x00_set_field32(®, INT_MASK_CSR_MGMT_DMA_DONE, mask); |
| 356 | rt2x00_set_field32(®, INT_MASK_CSR_MCU_COMMAND, mask); |
| 357 | rt2x00_set_field32(®, INT_MASK_CSR_RXTX_COHERENT, mask); |
| 358 | rt2x00_set_field32(®, INT_MASK_CSR_TBTT, mask); |
| 359 | rt2x00_set_field32(®, INT_MASK_CSR_PRE_TBTT, mask); |
| 360 | rt2x00_set_field32(®, INT_MASK_CSR_TX_FIFO_STATUS, mask); |
| 361 | rt2x00_set_field32(®, INT_MASK_CSR_AUTO_WAKEUP, mask); |
| 362 | rt2x00_set_field32(®, INT_MASK_CSR_GPTIMER, mask); |
| 363 | rt2x00_set_field32(®, INT_MASK_CSR_RX_COHERENT, mask); |
| 364 | rt2x00_set_field32(®, INT_MASK_CSR_TX_COHERENT, mask); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 365 | rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 366 | } |
| 367 | |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 368 | static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev) |
| 369 | { |
| 370 | u32 reg; |
| 371 | |
| 372 | /* |
| 373 | * Reset DMA indexes |
| 374 | */ |
| 375 | rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, ®); |
| 376 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1); |
| 377 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1); |
| 378 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1); |
| 379 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1); |
| 380 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1); |
| 381 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1); |
| 382 | rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1); |
| 383 | rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg); |
| 384 | |
| 385 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f); |
| 386 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00); |
| 387 | |
| 388 | rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003); |
| 389 | |
| 390 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
| 391 | rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_CSR, 1); |
| 392 | rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_BBP, 1); |
| 393 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
| 394 | |
| 395 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); |
| 396 | |
| 397 | return 0; |
| 398 | } |
| 399 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 400 | static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev) |
| 401 | { |
| 402 | u32 reg; |
| 403 | u16 word; |
| 404 | |
| 405 | /* |
| 406 | * Initialize all registers. |
| 407 | */ |
Gertjan van Wingerde | 67a4c1e | 2009-12-30 11:36:32 +0100 | [diff] [blame] | 408 | if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) || |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 409 | rt2800pci_init_queues(rt2x00dev) || |
Bartlomiej Zolnierkiewicz | fcf5154 | 2009-11-04 18:36:57 +0100 | [diff] [blame] | 410 | rt2800_init_registers(rt2x00dev) || |
Gertjan van Wingerde | 67a4c1e | 2009-12-30 11:36:32 +0100 | [diff] [blame] | 411 | rt2800_wait_wpdma_ready(rt2x00dev) || |
Bartlomiej Zolnierkiewicz | fcf5154 | 2009-11-04 18:36:57 +0100 | [diff] [blame] | 412 | rt2800_init_bbp(rt2x00dev) || |
| 413 | rt2800_init_rfcsr(rt2x00dev))) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 414 | return -EIO; |
| 415 | |
| 416 | /* |
| 417 | * Send signal to firmware during boot time. |
| 418 | */ |
Gertjan van Wingerde | 532bc2d | 2010-06-03 10:52:06 +0200 | [diff] [blame] | 419 | rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 420 | |
| 421 | /* |
| 422 | * Enable RX. |
| 423 | */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 424 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 425 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); |
| 426 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 427 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 428 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 429 | rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 430 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1); |
| 431 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1); |
| 432 | rt2x00_set_field32(®, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2); |
| 433 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 434 | rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 435 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 436 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 437 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); |
| 438 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 439 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 440 | |
| 441 | /* |
| 442 | * Initialize LED control |
| 443 | */ |
| 444 | rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word); |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 445 | rt2800_mcu_request(rt2x00dev, MCU_LED_1, 0xff, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 446 | word & 0xff, (word >> 8) & 0xff); |
| 447 | |
| 448 | rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word); |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 449 | rt2800_mcu_request(rt2x00dev, MCU_LED_2, 0xff, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 450 | word & 0xff, (word >> 8) & 0xff); |
| 451 | |
| 452 | rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word); |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 453 | rt2800_mcu_request(rt2x00dev, MCU_LED_3, 0xff, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 454 | word & 0xff, (word >> 8) & 0xff); |
| 455 | |
| 456 | return 0; |
| 457 | } |
| 458 | |
| 459 | static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev) |
| 460 | { |
| 461 | u32 reg; |
| 462 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 463 | rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 464 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); |
| 465 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0); |
| 466 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); |
| 467 | rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0); |
| 468 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 469 | rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 470 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 471 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0); |
| 472 | rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0); |
| 473 | rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 474 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 475 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001280); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 476 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 477 | rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 478 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1); |
| 479 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1); |
| 480 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1); |
| 481 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1); |
| 482 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1); |
| 483 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1); |
| 484 | rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 485 | rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 486 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 487 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f); |
| 488 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 489 | |
| 490 | /* Wait for DMA, ignore error */ |
Gertjan van Wingerde | 67a4c1e | 2009-12-30 11:36:32 +0100 | [diff] [blame] | 491 | rt2800_wait_wpdma_ready(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 492 | } |
| 493 | |
| 494 | static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev, |
| 495 | enum dev_state state) |
| 496 | { |
| 497 | /* |
| 498 | * Always put the device to sleep (even when we intend to wakeup!) |
| 499 | * if the device is booting and wasn't asleep it will return |
| 500 | * failure when attempting to wakeup. |
| 501 | */ |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 502 | rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 503 | |
| 504 | if (state == STATE_AWAKE) { |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 505 | rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 506 | rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP); |
| 507 | } |
| 508 | |
| 509 | return 0; |
| 510 | } |
| 511 | |
| 512 | static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev, |
| 513 | enum dev_state state) |
| 514 | { |
| 515 | int retval = 0; |
| 516 | |
| 517 | switch (state) { |
| 518 | case STATE_RADIO_ON: |
| 519 | /* |
| 520 | * Before the radio can be enabled, the device first has |
| 521 | * to be woken up. After that it needs a bit of time |
| 522 | * to be fully awake and then the radio can be enabled. |
| 523 | */ |
| 524 | rt2800pci_set_state(rt2x00dev, STATE_AWAKE); |
| 525 | msleep(1); |
| 526 | retval = rt2800pci_enable_radio(rt2x00dev); |
| 527 | break; |
| 528 | case STATE_RADIO_OFF: |
| 529 | /* |
| 530 | * After the radio has been disabled, the device should |
| 531 | * be put to sleep for powersaving. |
| 532 | */ |
| 533 | rt2800pci_disable_radio(rt2x00dev); |
| 534 | rt2800pci_set_state(rt2x00dev, STATE_SLEEP); |
| 535 | break; |
| 536 | case STATE_RADIO_RX_ON: |
| 537 | case STATE_RADIO_RX_ON_LINK: |
| 538 | case STATE_RADIO_RX_OFF: |
| 539 | case STATE_RADIO_RX_OFF_LINK: |
| 540 | rt2800pci_toggle_rx(rt2x00dev, state); |
| 541 | break; |
| 542 | case STATE_RADIO_IRQ_ON: |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 543 | case STATE_RADIO_IRQ_ON_ISR: |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 544 | case STATE_RADIO_IRQ_OFF: |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 545 | case STATE_RADIO_IRQ_OFF_ISR: |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 546 | rt2800pci_toggle_irq(rt2x00dev, state); |
| 547 | break; |
| 548 | case STATE_DEEP_SLEEP: |
| 549 | case STATE_SLEEP: |
| 550 | case STATE_STANDBY: |
| 551 | case STATE_AWAKE: |
| 552 | retval = rt2800pci_set_state(rt2x00dev, state); |
| 553 | break; |
| 554 | default: |
| 555 | retval = -ENOTSUPP; |
| 556 | break; |
| 557 | } |
| 558 | |
| 559 | if (unlikely(retval)) |
| 560 | ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", |
| 561 | state, retval); |
| 562 | |
| 563 | return retval; |
| 564 | } |
| 565 | |
| 566 | /* |
| 567 | * TX descriptor initialization |
| 568 | */ |
Gertjan van Wingerde | 76dd5dd | 2010-06-29 21:42:23 +0200 | [diff] [blame] | 569 | static void rt2800pci_write_tx_data(struct queue_entry* entry, |
| 570 | struct txentry_desc *txdesc) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 571 | { |
Gertjan van Wingerde | 9cf4cb0 | 2010-06-29 21:43:03 +0200 | [diff] [blame] | 572 | __le32 *txwi = (__le32 *) entry->skb->data; |
| 573 | |
| 574 | rt2800_write_txwi(txwi, txdesc); |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 575 | } |
| 576 | |
| 577 | |
| 578 | static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, |
| 579 | struct sk_buff *skb, |
| 580 | struct txentry_desc *txdesc) |
| 581 | { |
| 582 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 583 | struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data; |
| 584 | __le32 *txd = entry_priv->desc; |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 585 | u32 word; |
| 586 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 587 | /* |
| 588 | * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1 |
| 589 | * must contains a TXWI structure + 802.11 header + padding + 802.11 |
| 590 | * data. We choose to have SD_PTR0/SD_LEN0 only contains TXWI and |
| 591 | * SD_PTR1/SD_LEN1 contains 802.11 header + padding + 802.11 |
| 592 | * data. It means that LAST_SEC0 is always 0. |
| 593 | */ |
| 594 | |
| 595 | /* |
| 596 | * Initialize TX descriptor |
| 597 | */ |
| 598 | rt2x00_desc_read(txd, 0, &word); |
| 599 | rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma); |
| 600 | rt2x00_desc_write(txd, 0, word); |
| 601 | |
| 602 | rt2x00_desc_read(txd, 1, &word); |
| 603 | rt2x00_set_field32(&word, TXD_W1_SD_LEN1, skb->len); |
| 604 | rt2x00_set_field32(&word, TXD_W1_LAST_SEC1, |
| 605 | !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); |
| 606 | rt2x00_set_field32(&word, TXD_W1_BURST, |
| 607 | test_bit(ENTRY_TXD_BURST, &txdesc->flags)); |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 608 | rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 609 | rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0); |
| 610 | rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0); |
| 611 | rt2x00_desc_write(txd, 1, word); |
| 612 | |
| 613 | rt2x00_desc_read(txd, 2, &word); |
| 614 | rt2x00_set_field32(&word, TXD_W2_SD_PTR1, |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 615 | skbdesc->skb_dma + TXWI_DESC_SIZE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 616 | rt2x00_desc_write(txd, 2, word); |
| 617 | |
| 618 | rt2x00_desc_read(txd, 3, &word); |
| 619 | rt2x00_set_field32(&word, TXD_W3_WIV, |
| 620 | !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); |
| 621 | rt2x00_set_field32(&word, TXD_W3_QSEL, 2); |
| 622 | rt2x00_desc_write(txd, 3, word); |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 623 | |
| 624 | /* |
| 625 | * Register descriptor details in skb frame descriptor. |
| 626 | */ |
| 627 | skbdesc->desc = txd; |
| 628 | skbdesc->desc_len = TXD_DESC_SIZE; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 629 | } |
| 630 | |
| 631 | /* |
| 632 | * TX data initialization |
| 633 | */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 634 | static void rt2800pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, |
| 635 | const enum data_queue_qid queue_idx) |
| 636 | { |
| 637 | struct data_queue *queue; |
| 638 | unsigned int idx, qidx = 0; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 639 | |
| 640 | if (queue_idx > QID_HCCA && queue_idx != QID_MGMT) |
| 641 | return; |
| 642 | |
| 643 | queue = rt2x00queue_get_queue(rt2x00dev, queue_idx); |
| 644 | idx = queue->index[Q_INDEX]; |
| 645 | |
| 646 | if (queue_idx == QID_MGMT) |
| 647 | qidx = 5; |
| 648 | else |
| 649 | qidx = queue_idx; |
| 650 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 651 | rt2800_register_write(rt2x00dev, TX_CTX_IDX(qidx), idx); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 652 | } |
| 653 | |
| 654 | static void rt2800pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev, |
| 655 | const enum data_queue_qid qid) |
| 656 | { |
| 657 | u32 reg; |
| 658 | |
| 659 | if (qid == QID_BEACON) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 660 | rt2800_register_write(rt2x00dev, BCN_TIME_CFG, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 661 | return; |
| 662 | } |
| 663 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 664 | rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 665 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, (qid == QID_AC_BE)); |
| 666 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, (qid == QID_AC_BK)); |
| 667 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, (qid == QID_AC_VI)); |
| 668 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, (qid == QID_AC_VO)); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 669 | rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 670 | } |
| 671 | |
| 672 | /* |
| 673 | * RX control handlers |
| 674 | */ |
| 675 | static void rt2800pci_fill_rxdone(struct queue_entry *entry, |
| 676 | struct rxdone_entry_desc *rxdesc) |
| 677 | { |
| 678 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 679 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 680 | __le32 *rxd = entry_priv->desc; |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 681 | u32 word; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 682 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 683 | rt2x00_desc_read(rxd, 3, &word); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 684 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 685 | if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 686 | rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; |
| 687 | |
Gertjan van Wingerde | 78b8f3b | 2010-05-08 23:40:20 +0200 | [diff] [blame] | 688 | /* |
| 689 | * Unfortunately we don't know the cipher type used during |
| 690 | * decryption. This prevents us from correct providing |
| 691 | * correct statistics through debugfs. |
| 692 | */ |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 693 | rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 694 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 695 | if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 696 | /* |
| 697 | * Hardware has stripped IV/EIV data from 802.11 frame during |
| 698 | * decryption. Unfortunately the descriptor doesn't contain |
| 699 | * any fields with the EIV/IV data either, so they can't |
| 700 | * be restored by rt2x00lib. |
| 701 | */ |
| 702 | rxdesc->flags |= RX_FLAG_IV_STRIPPED; |
| 703 | |
| 704 | if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) |
| 705 | rxdesc->flags |= RX_FLAG_DECRYPTED; |
| 706 | else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) |
| 707 | rxdesc->flags |= RX_FLAG_MMIC_ERROR; |
| 708 | } |
| 709 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 710 | if (rt2x00_get_field32(word, RXD_W3_MY_BSS)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 711 | rxdesc->dev_flags |= RXDONE_MY_BSS; |
| 712 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 713 | if (rt2x00_get_field32(word, RXD_W3_L2PAD)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 714 | rxdesc->dev_flags |= RXDONE_L2PAD; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 715 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 716 | /* |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 717 | * 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] | 718 | */ |
Ivo van Doorn | 7486192 | 2010-07-11 12:23:50 +0200 | [diff] [blame] | 719 | rt2800_process_rxwi(entry, rxdesc); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 720 | |
| 721 | /* |
| 722 | * Set RX IDX in register to inform hardware that we have handled |
| 723 | * this entry and it is available for reuse again. |
| 724 | */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 725 | rt2800_register_write(rt2x00dev, RX_CRX_IDX, entry->entry_idx); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 726 | } |
| 727 | |
| 728 | /* |
| 729 | * Interrupt functions. |
| 730 | */ |
| 731 | static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev) |
| 732 | { |
| 733 | struct data_queue *queue; |
| 734 | struct queue_entry *entry; |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 735 | __le32 *txwi; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 736 | struct txdone_entry_desc txdesc; |
| 737 | u32 word; |
| 738 | u32 reg; |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 739 | int wcid, ack, pid, tx_wcid, tx_ack, tx_pid; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 740 | u16 mcs, real_mcs; |
Helmut Schaa | 3afa626 | 2010-06-14 22:11:09 +0200 | [diff] [blame] | 741 | int i; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 742 | |
| 743 | /* |
Helmut Schaa | 3afa626 | 2010-06-14 22:11:09 +0200 | [diff] [blame] | 744 | * TX_STA_FIFO is a stack of X entries, hence read TX_STA_FIFO |
| 745 | * at most X times and also stop processing once the TX_STA_FIFO_VALID |
| 746 | * flag is not set anymore. |
| 747 | * |
| 748 | * The legacy drivers use X=TX_RING_SIZE but state in a comment |
| 749 | * that the TX_STA_FIFO stack has a size of 16. We stick to our |
| 750 | * tx ring size for now. |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 751 | */ |
Helmut Schaa | 3afa626 | 2010-06-14 22:11:09 +0200 | [diff] [blame] | 752 | for (i = 0; i < TX_ENTRIES; i++) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 753 | rt2800_register_read(rt2x00dev, TX_STA_FIFO, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 754 | if (!rt2x00_get_field32(reg, TX_STA_FIFO_VALID)) |
| 755 | break; |
| 756 | |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 757 | wcid = rt2x00_get_field32(reg, TX_STA_FIFO_WCID); |
| 758 | ack = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED); |
| 759 | pid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE); |
| 760 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 761 | /* |
| 762 | * Skip this entry when it contains an invalid |
| 763 | * queue identication number. |
| 764 | */ |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 765 | if (pid <= 0 || pid > QID_RX) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 766 | continue; |
| 767 | |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 768 | queue = rt2x00queue_get_queue(rt2x00dev, pid - 1); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 769 | if (unlikely(!queue)) |
| 770 | continue; |
| 771 | |
| 772 | /* |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 773 | * Inside each queue, we process each entry in a chronological |
| 774 | * order. We first check that the queue is not empty. |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 775 | */ |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 776 | if (rt2x00queue_empty(queue)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 777 | continue; |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 778 | entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 779 | |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 780 | /* Check if we got a match by looking at WCID/ACK/PID |
| 781 | * fields */ |
Gertjan van Wingerde | 0b8004a | 2010-06-03 10:51:45 +0200 | [diff] [blame] | 782 | txwi = (__le32 *) entry->skb->data; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 783 | |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 784 | rt2x00_desc_read(txwi, 1, &word); |
| 785 | tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID); |
| 786 | tx_ack = rt2x00_get_field32(word, TXWI_W1_ACK); |
| 787 | tx_pid = rt2x00_get_field32(word, TXWI_W1_PACKETID); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 788 | |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 789 | if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid)) |
| 790 | WARNING(rt2x00dev, "invalid TX_STA_FIFO content\n"); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 791 | |
| 792 | /* |
| 793 | * Obtain the status about this packet. |
| 794 | */ |
| 795 | txdesc.flags = 0; |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 796 | rt2x00_desc_read(txwi, 0, &word); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 797 | mcs = rt2x00_get_field32(word, TXWI_W0_MCS); |
| 798 | real_mcs = rt2x00_get_field32(reg, TX_STA_FIFO_MCS); |
Alban Browaeys | bf18723 | 2010-02-28 17:14:40 +0100 | [diff] [blame] | 799 | |
| 800 | /* |
| 801 | * Ralink has a retry mechanism using a global fallback |
| 802 | * table. We setup this fallback table to try the immediate |
| 803 | * lower rate for all rates. In the TX_STA_FIFO, the MCS field |
| 804 | * always contains the MCS used for the last transmission, be |
| 805 | * it successful or not. |
| 806 | */ |
| 807 | if (rt2x00_get_field32(reg, TX_STA_FIFO_TX_SUCCESS)) { |
| 808 | /* |
| 809 | * Transmission succeeded. The number of retries is |
| 810 | * mcs - real_mcs |
| 811 | */ |
| 812 | __set_bit(TXDONE_SUCCESS, &txdesc.flags); |
| 813 | txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0); |
| 814 | } else { |
| 815 | /* |
| 816 | * Transmission failed. The number of retries is |
| 817 | * always 7 in this case (for a total number of 8 |
| 818 | * frames sent). |
| 819 | */ |
| 820 | __set_bit(TXDONE_FAILURE, &txdesc.flags); |
| 821 | txdesc.retry = 7; |
| 822 | } |
| 823 | |
Helmut Schaa | ecb7cab | 2010-06-14 22:09:41 +0200 | [diff] [blame] | 824 | /* |
| 825 | * the frame was retried at least once |
| 826 | * -> hw used fallback rates |
| 827 | */ |
| 828 | if (txdesc.retry) |
| 829 | __set_bit(TXDONE_FALLBACK, &txdesc.flags); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 830 | |
Gertjan van Wingerde | e513a0b | 2010-06-29 21:41:40 +0200 | [diff] [blame] | 831 | rt2x00lib_txdone(entry, &txdesc); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 832 | } |
| 833 | } |
| 834 | |
Gertjan van Wingerde | 4d66edc | 2010-03-30 23:50:26 +0200 | [diff] [blame] | 835 | static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev) |
| 836 | { |
| 837 | struct ieee80211_conf conf = { .flags = 0 }; |
| 838 | struct rt2x00lib_conf libconf = { .conf = &conf }; |
| 839 | |
| 840 | rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS); |
| 841 | } |
| 842 | |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 843 | static irqreturn_t rt2800pci_interrupt_thread(int irq, void *dev_instance) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 844 | { |
| 845 | struct rt2x00_dev *rt2x00dev = dev_instance; |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 846 | u32 reg = rt2x00dev->irqvalue[0]; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 847 | |
| 848 | /* |
Helmut Schaa | 9f926fb | 2010-07-11 12:28:23 +0200 | [diff] [blame] | 849 | * 1 - Pre TBTT interrupt. |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 850 | */ |
Helmut Schaa | 9f926fb | 2010-07-11 12:28:23 +0200 | [diff] [blame] | 851 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT)) |
| 852 | rt2x00lib_pretbtt(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 853 | |
Helmut Schaa | ad90319 | 2010-06-29 21:46:43 +0200 | [diff] [blame] | 854 | /* |
Helmut Schaa | 9f926fb | 2010-07-11 12:28:23 +0200 | [diff] [blame] | 855 | * 2 - Beacondone interrupt. |
Helmut Schaa | ad90319 | 2010-06-29 21:46:43 +0200 | [diff] [blame] | 856 | */ |
| 857 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT)) |
| 858 | rt2x00lib_beacondone(rt2x00dev); |
| 859 | |
Helmut Schaa | 9f926fb | 2010-07-11 12:28:23 +0200 | [diff] [blame] | 860 | /* |
| 861 | * 3 - Rx ring done interrupt. |
| 862 | */ |
| 863 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE)) |
| 864 | rt2x00pci_rxdone(rt2x00dev); |
| 865 | |
| 866 | /* |
| 867 | * 4 - Tx done interrupt. |
| 868 | */ |
| 869 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) |
| 870 | rt2800pci_txdone(rt2x00dev); |
| 871 | |
| 872 | /* |
| 873 | * 5 - Auto wakeup interrupt. |
| 874 | */ |
Gertjan van Wingerde | 4d66edc | 2010-03-30 23:50:26 +0200 | [diff] [blame] | 875 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP)) |
| 876 | rt2800pci_wakeup(rt2x00dev); |
| 877 | |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 878 | /* Enable interrupts again. */ |
| 879 | rt2x00dev->ops->lib->set_device_state(rt2x00dev, |
| 880 | STATE_RADIO_IRQ_ON_ISR); |
| 881 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 882 | return IRQ_HANDLED; |
| 883 | } |
| 884 | |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 885 | static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance) |
| 886 | { |
| 887 | struct rt2x00_dev *rt2x00dev = dev_instance; |
| 888 | u32 reg; |
| 889 | |
| 890 | /* Read status and ACK all interrupts */ |
| 891 | rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, ®); |
| 892 | rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg); |
| 893 | |
| 894 | if (!reg) |
| 895 | return IRQ_NONE; |
| 896 | |
| 897 | if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
| 898 | return IRQ_HANDLED; |
| 899 | |
| 900 | /* Store irqvalue for use in the interrupt thread. */ |
| 901 | rt2x00dev->irqvalue[0] = reg; |
| 902 | |
| 903 | /* Disable interrupts, will be enabled again in the interrupt thread. */ |
| 904 | rt2x00dev->ops->lib->set_device_state(rt2x00dev, |
| 905 | STATE_RADIO_IRQ_OFF_ISR); |
| 906 | |
| 907 | |
| 908 | return IRQ_WAKE_THREAD; |
| 909 | } |
| 910 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 911 | /* |
| 912 | * Device probe functions. |
| 913 | */ |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 914 | static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) |
| 915 | { |
| 916 | /* |
| 917 | * Read EEPROM into buffer |
| 918 | */ |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 919 | if (rt2x00_is_soc(rt2x00dev)) |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 920 | rt2800pci_read_eeprom_soc(rt2x00dev); |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 921 | else if (rt2800pci_efuse_detect(rt2x00dev)) |
| 922 | rt2800pci_read_eeprom_efuse(rt2x00dev); |
| 923 | else |
| 924 | rt2800pci_read_eeprom_pci(rt2x00dev); |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 925 | |
| 926 | return rt2800_validate_eeprom(rt2x00dev); |
| 927 | } |
| 928 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 929 | static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev) |
| 930 | { |
| 931 | int retval; |
| 932 | |
| 933 | /* |
| 934 | * Allocate eeprom data. |
| 935 | */ |
| 936 | retval = rt2800pci_validate_eeprom(rt2x00dev); |
| 937 | if (retval) |
| 938 | return retval; |
| 939 | |
Bartlomiej Zolnierkiewicz | 38bd7b8 | 2009-11-08 14:39:01 +0100 | [diff] [blame] | 940 | retval = rt2800_init_eeprom(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 941 | if (retval) |
| 942 | return retval; |
| 943 | |
| 944 | /* |
| 945 | * Initialize hw specifications. |
| 946 | */ |
Bartlomiej Zolnierkiewicz | 4da2933 | 2009-11-08 14:39:32 +0100 | [diff] [blame] | 947 | retval = rt2800_probe_hw_mode(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 948 | if (retval) |
| 949 | return retval; |
| 950 | |
| 951 | /* |
| 952 | * This device has multiple filters for control frames |
| 953 | * and has a separate filter for PS Poll frames. |
| 954 | */ |
| 955 | __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags); |
| 956 | __set_bit(DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, &rt2x00dev->flags); |
| 957 | |
| 958 | /* |
Helmut Schaa | 9f926fb | 2010-07-11 12:28:23 +0200 | [diff] [blame] | 959 | * This device has a pre tbtt interrupt and thus fetches |
| 960 | * a new beacon directly prior to transmission. |
| 961 | */ |
| 962 | __set_bit(DRIVER_SUPPORT_PRE_TBTT_INTERRUPT, &rt2x00dev->flags); |
| 963 | |
| 964 | /* |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 965 | * This device requires firmware. |
| 966 | */ |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 967 | if (!rt2x00_is_soc(rt2x00dev)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 968 | __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags); |
| 969 | __set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags); |
| 970 | __set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags); |
| 971 | if (!modparam_nohwcrypt) |
| 972 | __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); |
Ivo van Doorn | 27df2a9 | 2010-07-11 12:24:22 +0200 | [diff] [blame] | 973 | __set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 974 | |
| 975 | /* |
| 976 | * Set the rssi offset. |
| 977 | */ |
| 978 | rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; |
| 979 | |
| 980 | return 0; |
| 981 | } |
| 982 | |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 983 | static const struct ieee80211_ops rt2800pci_mac80211_ops = { |
| 984 | .tx = rt2x00mac_tx, |
| 985 | .start = rt2x00mac_start, |
| 986 | .stop = rt2x00mac_stop, |
| 987 | .add_interface = rt2x00mac_add_interface, |
| 988 | .remove_interface = rt2x00mac_remove_interface, |
| 989 | .config = rt2x00mac_config, |
| 990 | .configure_filter = rt2x00mac_configure_filter, |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 991 | .set_key = rt2x00mac_set_key, |
| 992 | .sw_scan_start = rt2x00mac_sw_scan_start, |
| 993 | .sw_scan_complete = rt2x00mac_sw_scan_complete, |
| 994 | .get_stats = rt2x00mac_get_stats, |
| 995 | .get_tkip_seq = rt2800_get_tkip_seq, |
| 996 | .set_rts_threshold = rt2800_set_rts_threshold, |
| 997 | .bss_info_changed = rt2x00mac_bss_info_changed, |
| 998 | .conf_tx = rt2800_conf_tx, |
| 999 | .get_tsf = rt2800_get_tsf, |
| 1000 | .rfkill_poll = rt2x00mac_rfkill_poll, |
| 1001 | .ampdu_action = rt2800_ampdu_action, |
| 1002 | }; |
| 1003 | |
Ivo van Doorn | e796643 | 2010-07-11 12:31:23 +0200 | [diff] [blame^] | 1004 | static const struct rt2800_ops rt2800pci_rt2800_ops = { |
| 1005 | .register_read = rt2x00pci_register_read, |
| 1006 | .register_read_lock = rt2x00pci_register_read, /* same for PCI */ |
| 1007 | .register_write = rt2x00pci_register_write, |
| 1008 | .register_write_lock = rt2x00pci_register_write, /* same for PCI */ |
| 1009 | .register_multiread = rt2x00pci_register_multiread, |
| 1010 | .register_multiwrite = rt2x00pci_register_multiwrite, |
| 1011 | .regbusy_read = rt2x00pci_regbusy_read, |
| 1012 | .drv_write_firmware = rt2800pci_write_firmware, |
| 1013 | .drv_init_registers = rt2800pci_init_registers, |
| 1014 | }; |
| 1015 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1016 | static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = { |
| 1017 | .irq_handler = rt2800pci_interrupt, |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 1018 | .irq_handler_thread = rt2800pci_interrupt_thread, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1019 | .probe_hw = rt2800pci_probe_hw, |
| 1020 | .get_firmware_name = rt2800pci_get_firmware_name, |
Ivo van Doorn | f31c9a8 | 2010-07-11 12:30:37 +0200 | [diff] [blame] | 1021 | .check_firmware = rt2800_check_firmware, |
| 1022 | .load_firmware = rt2800_load_firmware, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1023 | .initialize = rt2x00pci_initialize, |
| 1024 | .uninitialize = rt2x00pci_uninitialize, |
| 1025 | .get_entry_state = rt2800pci_get_entry_state, |
| 1026 | .clear_entry = rt2800pci_clear_entry, |
| 1027 | .set_device_state = rt2800pci_set_device_state, |
Bartlomiej Zolnierkiewicz | f445061 | 2009-11-04 18:36:40 +0100 | [diff] [blame] | 1028 | .rfkill_poll = rt2800_rfkill_poll, |
| 1029 | .link_stats = rt2800_link_stats, |
| 1030 | .reset_tuner = rt2800_reset_tuner, |
| 1031 | .link_tuner = rt2800_link_tuner, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1032 | .write_tx_desc = rt2800pci_write_tx_desc, |
Gertjan van Wingerde | 76dd5dd | 2010-06-29 21:42:23 +0200 | [diff] [blame] | 1033 | .write_tx_data = rt2800pci_write_tx_data, |
Gertjan van Wingerde | f0194b2 | 2010-06-03 10:51:53 +0200 | [diff] [blame] | 1034 | .write_beacon = rt2800_write_beacon, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1035 | .kick_tx_queue = rt2800pci_kick_tx_queue, |
| 1036 | .kill_tx_queue = rt2800pci_kill_tx_queue, |
| 1037 | .fill_rxdone = rt2800pci_fill_rxdone, |
Bartlomiej Zolnierkiewicz | f445061 | 2009-11-04 18:36:40 +0100 | [diff] [blame] | 1038 | .config_shared_key = rt2800_config_shared_key, |
| 1039 | .config_pairwise_key = rt2800_config_pairwise_key, |
| 1040 | .config_filter = rt2800_config_filter, |
| 1041 | .config_intf = rt2800_config_intf, |
| 1042 | .config_erp = rt2800_config_erp, |
| 1043 | .config_ant = rt2800_config_ant, |
| 1044 | .config = rt2800_config, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1045 | }; |
| 1046 | |
| 1047 | static const struct data_queue_desc rt2800pci_queue_rx = { |
| 1048 | .entry_num = RX_ENTRIES, |
| 1049 | .data_size = AGGREGATION_SIZE, |
| 1050 | .desc_size = RXD_DESC_SIZE, |
| 1051 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1052 | }; |
| 1053 | |
| 1054 | static const struct data_queue_desc rt2800pci_queue_tx = { |
| 1055 | .entry_num = TX_ENTRIES, |
| 1056 | .data_size = AGGREGATION_SIZE, |
| 1057 | .desc_size = TXD_DESC_SIZE, |
| 1058 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1059 | }; |
| 1060 | |
| 1061 | static const struct data_queue_desc rt2800pci_queue_bcn = { |
| 1062 | .entry_num = 8 * BEACON_ENTRIES, |
| 1063 | .data_size = 0, /* No DMA required for beacons */ |
| 1064 | .desc_size = TXWI_DESC_SIZE, |
| 1065 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1066 | }; |
| 1067 | |
| 1068 | static const struct rt2x00_ops rt2800pci_ops = { |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1069 | .name = KBUILD_MODNAME, |
| 1070 | .max_sta_intf = 1, |
| 1071 | .max_ap_intf = 8, |
| 1072 | .eeprom_size = EEPROM_SIZE, |
| 1073 | .rf_size = RF_SIZE, |
| 1074 | .tx_queues = NUM_TX_QUEUES, |
Gertjan van Wingerde | e6218cc | 2009-11-23 22:44:52 +0100 | [diff] [blame] | 1075 | .extra_tx_headroom = TXWI_DESC_SIZE, |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1076 | .rx = &rt2800pci_queue_rx, |
| 1077 | .tx = &rt2800pci_queue_tx, |
| 1078 | .bcn = &rt2800pci_queue_bcn, |
| 1079 | .lib = &rt2800pci_rt2x00_ops, |
Ivo van Doorn | e796643 | 2010-07-11 12:31:23 +0200 | [diff] [blame^] | 1080 | .drv = &rt2800pci_rt2800_ops, |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 1081 | .hw = &rt2800pci_mac80211_ops, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1082 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1083 | .debugfs = &rt2800_rt2x00debug, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1084 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
| 1085 | }; |
| 1086 | |
| 1087 | /* |
| 1088 | * RT2800pci module information. |
| 1089 | */ |
Helmut Schaa | d6e36ec | 2010-03-15 17:22:26 +0100 | [diff] [blame] | 1090 | #ifdef CONFIG_RT2800PCI_PCI |
Alexey Dobriyan | a3aa188 | 2010-01-07 11:58:11 +0000 | [diff] [blame] | 1091 | static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = { |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1092 | { PCI_DEVICE(0x1814, 0x0601), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1093 | { PCI_DEVICE(0x1814, 0x0681), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1094 | { PCI_DEVICE(0x1814, 0x0701), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1095 | { PCI_DEVICE(0x1814, 0x0781), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1096 | { PCI_DEVICE(0x1432, 0x7708), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1097 | { PCI_DEVICE(0x1432, 0x7727), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1098 | { PCI_DEVICE(0x1432, 0x7728), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1099 | { PCI_DEVICE(0x1432, 0x7738), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1100 | { PCI_DEVICE(0x1432, 0x7748), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1101 | { PCI_DEVICE(0x1432, 0x7758), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1102 | { PCI_DEVICE(0x1432, 0x7768), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1103 | { PCI_DEVICE(0x1a3b, 0x1059), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1104 | #ifdef CONFIG_RT2800PCI_RT30XX |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1105 | { PCI_DEVICE(0x1814, 0x3090), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1106 | { PCI_DEVICE(0x1814, 0x3091), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1107 | { PCI_DEVICE(0x1814, 0x3092), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1108 | { PCI_DEVICE(0x1462, 0x891a), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1109 | #endif |
| 1110 | #ifdef CONFIG_RT2800PCI_RT35XX |
| 1111 | { PCI_DEVICE(0x1814, 0x3060), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1112 | { PCI_DEVICE(0x1814, 0x3062), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1113 | { PCI_DEVICE(0x1814, 0x3562), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1114 | { PCI_DEVICE(0x1814, 0x3592), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Xose Vazquez Perez | 6424bf7 | 2010-03-28 17:48:05 +0200 | [diff] [blame] | 1115 | { PCI_DEVICE(0x1814, 0x3593), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1116 | #endif |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1117 | { 0, } |
| 1118 | }; |
Helmut Schaa | d6e36ec | 2010-03-15 17:22:26 +0100 | [diff] [blame] | 1119 | #endif /* CONFIG_RT2800PCI_PCI */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1120 | |
| 1121 | MODULE_AUTHOR(DRV_PROJECT); |
| 1122 | MODULE_VERSION(DRV_VERSION); |
| 1123 | MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver."); |
| 1124 | MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards"); |
| 1125 | #ifdef CONFIG_RT2800PCI_PCI |
| 1126 | MODULE_FIRMWARE(FIRMWARE_RT2860); |
| 1127 | MODULE_DEVICE_TABLE(pci, rt2800pci_device_table); |
| 1128 | #endif /* CONFIG_RT2800PCI_PCI */ |
| 1129 | MODULE_LICENSE("GPL"); |
| 1130 | |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 1131 | #ifdef CONFIG_RT2800PCI_SOC |
Gertjan van Wingerde | 714fa66 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1132 | static int rt2800soc_probe(struct platform_device *pdev) |
| 1133 | { |
Helmut Schaa | 6e93d71 | 2010-03-02 16:34:49 +0100 | [diff] [blame] | 1134 | return rt2x00soc_probe(pdev, &rt2800pci_ops); |
Gertjan van Wingerde | 714fa66 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1135 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1136 | |
| 1137 | static struct platform_driver rt2800soc_driver = { |
| 1138 | .driver = { |
| 1139 | .name = "rt2800_wmac", |
| 1140 | .owner = THIS_MODULE, |
| 1141 | .mod_name = KBUILD_MODNAME, |
| 1142 | }, |
Gertjan van Wingerde | 714fa66 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1143 | .probe = rt2800soc_probe, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1144 | .remove = __devexit_p(rt2x00soc_remove), |
| 1145 | .suspend = rt2x00soc_suspend, |
| 1146 | .resume = rt2x00soc_resume, |
| 1147 | }; |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 1148 | #endif /* CONFIG_RT2800PCI_SOC */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1149 | |
| 1150 | #ifdef CONFIG_RT2800PCI_PCI |
| 1151 | static struct pci_driver rt2800pci_driver = { |
| 1152 | .name = KBUILD_MODNAME, |
| 1153 | .id_table = rt2800pci_device_table, |
| 1154 | .probe = rt2x00pci_probe, |
| 1155 | .remove = __devexit_p(rt2x00pci_remove), |
| 1156 | .suspend = rt2x00pci_suspend, |
| 1157 | .resume = rt2x00pci_resume, |
| 1158 | }; |
| 1159 | #endif /* CONFIG_RT2800PCI_PCI */ |
| 1160 | |
| 1161 | static int __init rt2800pci_init(void) |
| 1162 | { |
| 1163 | int ret = 0; |
| 1164 | |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 1165 | #ifdef CONFIG_RT2800PCI_SOC |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1166 | ret = platform_driver_register(&rt2800soc_driver); |
| 1167 | if (ret) |
| 1168 | return ret; |
| 1169 | #endif |
| 1170 | #ifdef CONFIG_RT2800PCI_PCI |
| 1171 | ret = pci_register_driver(&rt2800pci_driver); |
| 1172 | if (ret) { |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 1173 | #ifdef CONFIG_RT2800PCI_SOC |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1174 | platform_driver_unregister(&rt2800soc_driver); |
| 1175 | #endif |
| 1176 | return ret; |
| 1177 | } |
| 1178 | #endif |
| 1179 | |
| 1180 | return ret; |
| 1181 | } |
| 1182 | |
| 1183 | static void __exit rt2800pci_exit(void) |
| 1184 | { |
| 1185 | #ifdef CONFIG_RT2800PCI_PCI |
| 1186 | pci_unregister_driver(&rt2800pci_driver); |
| 1187 | #endif |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 1188 | #ifdef CONFIG_RT2800PCI_SOC |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1189 | platform_driver_unregister(&rt2800soc_driver); |
| 1190 | #endif |
| 1191 | } |
| 1192 | |
| 1193 | module_init(rt2800pci_init); |
| 1194 | module_exit(rt2800pci_exit); |