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++) { |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 69 | rt2x00pci_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 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 83 | rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0); |
| 84 | rt2x00pci_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 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 108 | rt2x00pci_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 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 130 | rt2x00pci_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 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 138 | rt2x00pci_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 | /* |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 189 | * Queue handlers. |
| 190 | */ |
| 191 | static void rt2800pci_start_queue(struct data_queue *queue) |
| 192 | { |
| 193 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; |
| 194 | u32 reg; |
| 195 | |
| 196 | switch (queue->qid) { |
| 197 | case QID_RX: |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 198 | rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 199 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 200 | rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 201 | break; |
| 202 | case QID_BEACON: |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 203 | rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, ®); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 204 | rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); |
| 205 | rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); |
| 206 | rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 207 | rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg); |
Helmut Schaa | 69cf36a | 2011-01-30 13:16:03 +0100 | [diff] [blame] | 208 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 209 | rt2x00pci_register_read(rt2x00dev, INT_TIMER_EN, ®); |
Helmut Schaa | 69cf36a | 2011-01-30 13:16:03 +0100 | [diff] [blame] | 210 | rt2x00_set_field32(®, INT_TIMER_EN_PRE_TBTT_TIMER, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 211 | rt2x00pci_register_write(rt2x00dev, INT_TIMER_EN, reg); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 212 | break; |
| 213 | default: |
| 214 | break; |
Joe Perches | 6403eab | 2011-06-03 11:51:20 +0000 | [diff] [blame] | 215 | } |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 216 | } |
| 217 | |
| 218 | static void rt2800pci_kick_queue(struct data_queue *queue) |
| 219 | { |
| 220 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; |
| 221 | struct queue_entry *entry; |
| 222 | |
| 223 | switch (queue->qid) { |
Ivo van Doorn | f615e9a | 2010-12-13 12:36:38 +0100 | [diff] [blame] | 224 | case QID_AC_VO: |
| 225 | case QID_AC_VI: |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 226 | case QID_AC_BE: |
| 227 | case QID_AC_BK: |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 228 | entry = rt2x00queue_get_entry(queue, Q_INDEX); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 229 | rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(queue->qid), |
| 230 | entry->entry_idx); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 231 | break; |
| 232 | case QID_MGMT: |
| 233 | entry = rt2x00queue_get_entry(queue, Q_INDEX); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 234 | rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(5), |
| 235 | entry->entry_idx); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 236 | break; |
| 237 | default: |
| 238 | break; |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | static void rt2800pci_stop_queue(struct data_queue *queue) |
| 243 | { |
| 244 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; |
| 245 | u32 reg; |
| 246 | |
| 247 | switch (queue->qid) { |
| 248 | case QID_RX: |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 249 | rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 250 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 251 | rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 252 | break; |
| 253 | case QID_BEACON: |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 254 | rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, ®); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 255 | rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 0); |
| 256 | rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 0); |
| 257 | rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 258 | rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg); |
Helmut Schaa | 69cf36a | 2011-01-30 13:16:03 +0100 | [diff] [blame] | 259 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 260 | rt2x00pci_register_read(rt2x00dev, INT_TIMER_EN, ®); |
Helmut Schaa | 69cf36a | 2011-01-30 13:16:03 +0100 | [diff] [blame] | 261 | rt2x00_set_field32(®, INT_TIMER_EN_PRE_TBTT_TIMER, 0); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 262 | rt2x00pci_register_write(rt2x00dev, INT_TIMER_EN, reg); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 263 | |
| 264 | /* |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 265 | * Wait for current invocation to finish. The tasklet |
| 266 | * won't be scheduled anymore afterwards since we disabled |
| 267 | * the TBTT and PRE TBTT timer. |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 268 | */ |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 269 | tasklet_kill(&rt2x00dev->tbtt_tasklet); |
| 270 | tasklet_kill(&rt2x00dev->pretbtt_tasklet); |
| 271 | |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 272 | break; |
| 273 | default: |
| 274 | break; |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | /* |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 279 | * Firmware functions |
| 280 | */ |
| 281 | static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev) |
| 282 | { |
| 283 | return FIRMWARE_RT2860; |
| 284 | } |
| 285 | |
Ivo van Doorn | f31c9a8 | 2010-07-11 12:30:37 +0200 | [diff] [blame] | 286 | static int rt2800pci_write_firmware(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 287 | const u8 *data, const size_t len) |
| 288 | { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 289 | u32 reg; |
| 290 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 291 | /* |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 292 | * enable Host program ram write selection |
| 293 | */ |
| 294 | reg = 0; |
| 295 | rt2x00_set_field32(®, PBF_SYS_CTRL_HOST_RAM_WRITE, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 296 | rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 297 | |
| 298 | /* |
| 299 | * Write firmware to device. |
| 300 | */ |
Ivo van Doorn | d4c838e | 2011-04-30 17:14:49 +0200 | [diff] [blame] | 301 | rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, |
| 302 | data, len); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 303 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 304 | rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000); |
| 305 | rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 306 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 307 | rt2x00pci_register_write(rt2x00dev, H2M_BBP_AGENT, 0); |
| 308 | rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 309 | |
| 310 | return 0; |
| 311 | } |
| 312 | |
| 313 | /* |
| 314 | * Initialization functions. |
| 315 | */ |
| 316 | static bool rt2800pci_get_entry_state(struct queue_entry *entry) |
| 317 | { |
| 318 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 319 | u32 word; |
| 320 | |
| 321 | if (entry->queue->qid == QID_RX) { |
| 322 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 323 | |
| 324 | return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE)); |
| 325 | } else { |
| 326 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 327 | |
| 328 | return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE)); |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | static void rt2800pci_clear_entry(struct queue_entry *entry) |
| 333 | { |
| 334 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 335 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
Helmut Schaa | 9519233 | 2010-10-02 11:29:30 +0200 | [diff] [blame] | 336 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 337 | u32 word; |
| 338 | |
| 339 | if (entry->queue->qid == QID_RX) { |
| 340 | rt2x00_desc_read(entry_priv->desc, 0, &word); |
| 341 | rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma); |
| 342 | rt2x00_desc_write(entry_priv->desc, 0, word); |
| 343 | |
| 344 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 345 | rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0); |
| 346 | rt2x00_desc_write(entry_priv->desc, 1, word); |
Helmut Schaa | 9519233 | 2010-10-02 11:29:30 +0200 | [diff] [blame] | 347 | |
| 348 | /* |
| 349 | * Set RX IDX in register to inform hardware that we have |
| 350 | * handled this entry and it is available for reuse again. |
| 351 | */ |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 352 | rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX, |
Helmut Schaa | 9519233 | 2010-10-02 11:29:30 +0200 | [diff] [blame] | 353 | entry->entry_idx); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 354 | } else { |
| 355 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 356 | rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1); |
| 357 | rt2x00_desc_write(entry_priv->desc, 1, word); |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev) |
| 362 | { |
| 363 | struct queue_entry_priv_pci *entry_priv; |
| 364 | u32 reg; |
| 365 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 366 | /* |
| 367 | * Initialize registers. |
| 368 | */ |
| 369 | entry_priv = rt2x00dev->tx[0].entries[0].priv_data; |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 370 | rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma); |
| 371 | rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT0, |
| 372 | rt2x00dev->tx[0].limit); |
| 373 | rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX0, 0); |
| 374 | rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX0, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 375 | |
| 376 | entry_priv = rt2x00dev->tx[1].entries[0].priv_data; |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 377 | rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma); |
| 378 | rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT1, |
| 379 | rt2x00dev->tx[1].limit); |
| 380 | rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX1, 0); |
| 381 | rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX1, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 382 | |
| 383 | entry_priv = rt2x00dev->tx[2].entries[0].priv_data; |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 384 | rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma); |
| 385 | rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT2, |
| 386 | rt2x00dev->tx[2].limit); |
| 387 | rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX2, 0); |
| 388 | rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX2, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 389 | |
| 390 | entry_priv = rt2x00dev->tx[3].entries[0].priv_data; |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 391 | rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma); |
| 392 | rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT3, |
| 393 | rt2x00dev->tx[3].limit); |
| 394 | rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX3, 0); |
| 395 | rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX3, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 396 | |
| 397 | entry_priv = rt2x00dev->rx->entries[0].priv_data; |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 398 | rt2x00pci_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma); |
| 399 | rt2x00pci_register_write(rt2x00dev, RX_MAX_CNT, |
| 400 | rt2x00dev->rx[0].limit); |
| 401 | rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX, |
| 402 | rt2x00dev->rx[0].limit - 1); |
| 403 | rt2x00pci_register_write(rt2x00dev, RX_DRX_IDX, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 404 | |
| 405 | /* |
| 406 | * Enable global DMA configuration |
| 407 | */ |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 408 | rt2x00pci_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 409 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); |
| 410 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); |
| 411 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 412 | rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 413 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 414 | rt2x00pci_register_write(rt2x00dev, DELAY_INT_CFG, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 415 | |
| 416 | return 0; |
| 417 | } |
| 418 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 419 | /* |
| 420 | * Device state switch handlers. |
| 421 | */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 422 | static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev, |
| 423 | enum dev_state state) |
| 424 | { |
Helmut Schaa | b550911 | 2011-01-30 13:20:52 +0100 | [diff] [blame] | 425 | int mask = (state == STATE_RADIO_IRQ_ON); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 426 | u32 reg; |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 427 | unsigned long flags; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 428 | |
| 429 | /* |
| 430 | * When interrupts are being enabled, the interrupt registers |
| 431 | * should clear the register to assure a clean state. |
| 432 | */ |
| 433 | if (state == STATE_RADIO_IRQ_ON) { |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 434 | rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®); |
| 435 | rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 436 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 437 | |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 438 | spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 439 | rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, ®); |
Helmut Schaa | 93149cf | 2010-09-08 20:56:52 +0200 | [diff] [blame] | 440 | rt2x00_set_field32(®, INT_MASK_CSR_RXDELAYINT, 0); |
| 441 | rt2x00_set_field32(®, INT_MASK_CSR_TXDELAYINT, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 442 | rt2x00_set_field32(®, INT_MASK_CSR_RX_DONE, mask); |
Helmut Schaa | 93149cf | 2010-09-08 20:56:52 +0200 | [diff] [blame] | 443 | rt2x00_set_field32(®, INT_MASK_CSR_AC0_DMA_DONE, 0); |
| 444 | rt2x00_set_field32(®, INT_MASK_CSR_AC1_DMA_DONE, 0); |
| 445 | rt2x00_set_field32(®, INT_MASK_CSR_AC2_DMA_DONE, 0); |
| 446 | rt2x00_set_field32(®, INT_MASK_CSR_AC3_DMA_DONE, 0); |
| 447 | rt2x00_set_field32(®, INT_MASK_CSR_HCCA_DMA_DONE, 0); |
| 448 | rt2x00_set_field32(®, INT_MASK_CSR_MGMT_DMA_DONE, 0); |
| 449 | rt2x00_set_field32(®, INT_MASK_CSR_MCU_COMMAND, 0); |
| 450 | rt2x00_set_field32(®, INT_MASK_CSR_RXTX_COHERENT, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 451 | rt2x00_set_field32(®, INT_MASK_CSR_TBTT, mask); |
| 452 | rt2x00_set_field32(®, INT_MASK_CSR_PRE_TBTT, mask); |
| 453 | rt2x00_set_field32(®, INT_MASK_CSR_TX_FIFO_STATUS, mask); |
| 454 | rt2x00_set_field32(®, INT_MASK_CSR_AUTO_WAKEUP, mask); |
Helmut Schaa | 93149cf | 2010-09-08 20:56:52 +0200 | [diff] [blame] | 455 | rt2x00_set_field32(®, INT_MASK_CSR_GPTIMER, 0); |
| 456 | rt2x00_set_field32(®, INT_MASK_CSR_RX_COHERENT, 0); |
| 457 | rt2x00_set_field32(®, INT_MASK_CSR_TX_COHERENT, 0); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 458 | rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 459 | spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags); |
| 460 | |
| 461 | if (state == STATE_RADIO_IRQ_OFF) { |
| 462 | /* |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 463 | * Wait for possibly running tasklets to finish. |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 464 | */ |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 465 | tasklet_kill(&rt2x00dev->txstatus_tasklet); |
| 466 | tasklet_kill(&rt2x00dev->rxdone_tasklet); |
| 467 | tasklet_kill(&rt2x00dev->autowake_tasklet); |
| 468 | tasklet_kill(&rt2x00dev->tbtt_tasklet); |
| 469 | tasklet_kill(&rt2x00dev->pretbtt_tasklet); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 470 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 471 | } |
| 472 | |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 473 | static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev) |
| 474 | { |
| 475 | u32 reg; |
| 476 | |
| 477 | /* |
| 478 | * Reset DMA indexes |
| 479 | */ |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 480 | rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, ®); |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 481 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1); |
| 482 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1); |
| 483 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1); |
| 484 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1); |
| 485 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1); |
| 486 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1); |
| 487 | rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 488 | rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg); |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 489 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 490 | rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f); |
| 491 | rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00); |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 492 | |
Gertjan van Wingerde | 872834d | 2011-05-18 20:25:31 +0200 | [diff] [blame] | 493 | if (rt2x00_is_pcie(rt2x00dev) && |
| 494 | (rt2x00_rt(rt2x00dev, RT3572) || |
| 495 | rt2x00_rt(rt2x00dev, RT5390))) { |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 496 | rt2x00pci_register_read(rt2x00dev, AUX_CTRL, ®); |
Gabor Juhos | adde588 | 2011-03-03 11:46:45 +0100 | [diff] [blame] | 497 | rt2x00_set_field32(®, AUX_CTRL_FORCE_PCIE_CLK, 1); |
| 498 | rt2x00_set_field32(®, AUX_CTRL_WAKE_PCIE_EN, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 499 | rt2x00pci_register_write(rt2x00dev, AUX_CTRL, reg); |
Gabor Juhos | adde588 | 2011-03-03 11:46:45 +0100 | [diff] [blame] | 500 | } |
RA-Shiang Tu | 60687ba | 2011-02-20 13:57:46 +0100 | [diff] [blame] | 501 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 502 | rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003); |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 503 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 504 | rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 505 | rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_CSR, 1); |
| 506 | rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_BBP, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 507 | rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 508 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 509 | rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 510 | |
| 511 | return 0; |
| 512 | } |
| 513 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 514 | static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev) |
| 515 | { |
Gertjan van Wingerde | 67a4c1e | 2009-12-30 11:36:32 +0100 | [diff] [blame] | 516 | if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) || |
Ivo van Doorn | b9a07ae | 2010-08-23 19:55:22 +0200 | [diff] [blame] | 517 | rt2800pci_init_queues(rt2x00dev))) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 518 | return -EIO; |
| 519 | |
Ivo van Doorn | b9a07ae | 2010-08-23 19:55:22 +0200 | [diff] [blame] | 520 | return rt2800_enable_radio(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 521 | } |
| 522 | |
| 523 | static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev) |
| 524 | { |
RA-Jay Hung | 7f6e144 | 2011-01-10 11:27:43 +0100 | [diff] [blame] | 525 | if (rt2x00_is_soc(rt2x00dev)) { |
| 526 | rt2800_disable_radio(rt2x00dev); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 527 | rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0); |
| 528 | rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, 0); |
RA-Jay Hung | 7f6e144 | 2011-01-10 11:27:43 +0100 | [diff] [blame] | 529 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 530 | } |
| 531 | |
| 532 | static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev, |
| 533 | enum dev_state state) |
| 534 | { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 535 | if (state == STATE_AWAKE) { |
RA-Jay Hung | 7f6e144 | 2011-01-10 11:27:43 +0100 | [diff] [blame] | 536 | rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0x02); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 537 | rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP); |
RA-Jay Hung | 7f6e144 | 2011-01-10 11:27:43 +0100 | [diff] [blame] | 538 | } else if (state == STATE_SLEEP) { |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 539 | rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, |
| 540 | 0xffffffff); |
| 541 | rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, |
| 542 | 0xffffffff); |
RA-Jay Hung | 7f6e144 | 2011-01-10 11:27:43 +0100 | [diff] [blame] | 543 | rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0x01, 0xff, 0x01); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 544 | } |
| 545 | |
| 546 | return 0; |
| 547 | } |
| 548 | |
| 549 | static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev, |
| 550 | enum dev_state state) |
| 551 | { |
| 552 | int retval = 0; |
| 553 | |
| 554 | switch (state) { |
| 555 | case STATE_RADIO_ON: |
| 556 | /* |
| 557 | * Before the radio can be enabled, the device first has |
| 558 | * to be woken up. After that it needs a bit of time |
| 559 | * to be fully awake and then the radio can be enabled. |
| 560 | */ |
| 561 | rt2800pci_set_state(rt2x00dev, STATE_AWAKE); |
| 562 | msleep(1); |
| 563 | retval = rt2800pci_enable_radio(rt2x00dev); |
| 564 | break; |
| 565 | case STATE_RADIO_OFF: |
| 566 | /* |
| 567 | * After the radio has been disabled, the device should |
| 568 | * be put to sleep for powersaving. |
| 569 | */ |
| 570 | rt2800pci_disable_radio(rt2x00dev); |
| 571 | rt2800pci_set_state(rt2x00dev, STATE_SLEEP); |
| 572 | break; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 573 | case STATE_RADIO_IRQ_ON: |
| 574 | case STATE_RADIO_IRQ_OFF: |
| 575 | rt2800pci_toggle_irq(rt2x00dev, state); |
| 576 | break; |
| 577 | case STATE_DEEP_SLEEP: |
| 578 | case STATE_SLEEP: |
| 579 | case STATE_STANDBY: |
| 580 | case STATE_AWAKE: |
| 581 | retval = rt2800pci_set_state(rt2x00dev, state); |
| 582 | break; |
| 583 | default: |
| 584 | retval = -ENOTSUPP; |
| 585 | break; |
| 586 | } |
| 587 | |
| 588 | if (unlikely(retval)) |
| 589 | ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", |
| 590 | state, retval); |
| 591 | |
| 592 | return retval; |
| 593 | } |
| 594 | |
| 595 | /* |
| 596 | * TX descriptor initialization |
| 597 | */ |
Ivo van Doorn | 0c5879b | 2010-08-06 20:47:20 +0200 | [diff] [blame] | 598 | static __le32 *rt2800pci_get_txwi(struct queue_entry *entry) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 599 | { |
Ivo van Doorn | 0c5879b | 2010-08-06 20:47:20 +0200 | [diff] [blame] | 600 | return (__le32 *) entry->skb->data; |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 601 | } |
| 602 | |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 603 | static void rt2800pci_write_tx_desc(struct queue_entry *entry, |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 604 | struct txentry_desc *txdesc) |
| 605 | { |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 606 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
| 607 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 608 | __le32 *txd = entry_priv->desc; |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 609 | u32 word; |
| 610 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 611 | /* |
| 612 | * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1 |
| 613 | * must contains a TXWI structure + 802.11 header + padding + 802.11 |
| 614 | * data. We choose to have SD_PTR0/SD_LEN0 only contains TXWI and |
| 615 | * SD_PTR1/SD_LEN1 contains 802.11 header + padding + 802.11 |
| 616 | * data. It means that LAST_SEC0 is always 0. |
| 617 | */ |
| 618 | |
| 619 | /* |
| 620 | * Initialize TX descriptor |
| 621 | */ |
Helmut Schaa | 3de3d96 | 2011-09-07 20:11:26 +0200 | [diff] [blame] | 622 | word = 0; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 623 | rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma); |
| 624 | rt2x00_desc_write(txd, 0, word); |
| 625 | |
Helmut Schaa | 3de3d96 | 2011-09-07 20:11:26 +0200 | [diff] [blame] | 626 | word = 0; |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 627 | rt2x00_set_field32(&word, TXD_W1_SD_LEN1, entry->skb->len); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 628 | rt2x00_set_field32(&word, TXD_W1_LAST_SEC1, |
| 629 | !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); |
| 630 | rt2x00_set_field32(&word, TXD_W1_BURST, |
| 631 | test_bit(ENTRY_TXD_BURST, &txdesc->flags)); |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 632 | rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 633 | rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0); |
| 634 | rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0); |
| 635 | rt2x00_desc_write(txd, 1, word); |
| 636 | |
Helmut Schaa | 3de3d96 | 2011-09-07 20:11:26 +0200 | [diff] [blame] | 637 | word = 0; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 638 | rt2x00_set_field32(&word, TXD_W2_SD_PTR1, |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 639 | skbdesc->skb_dma + TXWI_DESC_SIZE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 640 | rt2x00_desc_write(txd, 2, word); |
| 641 | |
Helmut Schaa | 3de3d96 | 2011-09-07 20:11:26 +0200 | [diff] [blame] | 642 | word = 0; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 643 | rt2x00_set_field32(&word, TXD_W3_WIV, |
| 644 | !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); |
| 645 | rt2x00_set_field32(&word, TXD_W3_QSEL, 2); |
| 646 | rt2x00_desc_write(txd, 3, word); |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 647 | |
| 648 | /* |
| 649 | * Register descriptor details in skb frame descriptor. |
| 650 | */ |
| 651 | skbdesc->desc = txd; |
| 652 | skbdesc->desc_len = TXD_DESC_SIZE; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 653 | } |
| 654 | |
| 655 | /* |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 656 | * RX control handlers |
| 657 | */ |
| 658 | static void rt2800pci_fill_rxdone(struct queue_entry *entry, |
| 659 | struct rxdone_entry_desc *rxdesc) |
| 660 | { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 661 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 662 | __le32 *rxd = entry_priv->desc; |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 663 | u32 word; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 664 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 665 | rt2x00_desc_read(rxd, 3, &word); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 666 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 667 | if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 668 | rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; |
| 669 | |
Gertjan van Wingerde | 78b8f3b | 2010-05-08 23:40:20 +0200 | [diff] [blame] | 670 | /* |
| 671 | * Unfortunately we don't know the cipher type used during |
| 672 | * decryption. This prevents us from correct providing |
| 673 | * correct statistics through debugfs. |
| 674 | */ |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 675 | rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 676 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 677 | if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 678 | /* |
| 679 | * Hardware has stripped IV/EIV data from 802.11 frame during |
| 680 | * decryption. Unfortunately the descriptor doesn't contain |
| 681 | * any fields with the EIV/IV data either, so they can't |
| 682 | * be restored by rt2x00lib. |
| 683 | */ |
| 684 | rxdesc->flags |= RX_FLAG_IV_STRIPPED; |
| 685 | |
Gertjan van Wingerde | a45f369 | 2011-01-30 13:22:41 +0100 | [diff] [blame] | 686 | /* |
| 687 | * The hardware has already checked the Michael Mic and has |
| 688 | * stripped it from the frame. Signal this to mac80211. |
| 689 | */ |
| 690 | rxdesc->flags |= RX_FLAG_MMIC_STRIPPED; |
| 691 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 692 | if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) |
| 693 | rxdesc->flags |= RX_FLAG_DECRYPTED; |
| 694 | else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) |
| 695 | rxdesc->flags |= RX_FLAG_MMIC_ERROR; |
| 696 | } |
| 697 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 698 | if (rt2x00_get_field32(word, RXD_W3_MY_BSS)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 699 | rxdesc->dev_flags |= RXDONE_MY_BSS; |
| 700 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 701 | if (rt2x00_get_field32(word, RXD_W3_L2PAD)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 702 | rxdesc->dev_flags |= RXDONE_L2PAD; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 703 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 704 | /* |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 705 | * 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] | 706 | */ |
Ivo van Doorn | 7486192 | 2010-07-11 12:23:50 +0200 | [diff] [blame] | 707 | rt2800_process_rxwi(entry, rxdesc); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 708 | } |
| 709 | |
| 710 | /* |
| 711 | * Interrupt functions. |
| 712 | */ |
Gertjan van Wingerde | 4d66edc | 2010-03-30 23:50:26 +0200 | [diff] [blame] | 713 | static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev) |
| 714 | { |
| 715 | struct ieee80211_conf conf = { .flags = 0 }; |
| 716 | struct rt2x00lib_conf libconf = { .conf = &conf }; |
| 717 | |
| 718 | rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS); |
| 719 | } |
| 720 | |
Helmut Schaa | 2e7798b | 2011-03-28 13:30:09 +0200 | [diff] [blame] | 721 | static bool rt2800pci_txdone(struct rt2x00_dev *rt2x00dev) |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 722 | { |
| 723 | struct data_queue *queue; |
| 724 | struct queue_entry *entry; |
| 725 | u32 status; |
| 726 | u8 qid; |
Helmut Schaa | 2e7798b | 2011-03-28 13:30:09 +0200 | [diff] [blame] | 727 | int max_tx_done = 16; |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 728 | |
Johannes Stezenbach | c4d6324 | 2010-12-27 15:04:29 +0100 | [diff] [blame] | 729 | while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) { |
Helmut Schaa | 12eec2c | 2010-10-09 13:35:48 +0200 | [diff] [blame] | 730 | qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE); |
Helmut Schaa | 87443e8 | 2011-03-03 19:39:27 +0100 | [diff] [blame] | 731 | if (unlikely(qid >= QID_RX)) { |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 732 | /* |
| 733 | * Unknown queue, this shouldn't happen. Just drop |
| 734 | * this tx status. |
| 735 | */ |
| 736 | WARNING(rt2x00dev, "Got TX status report with " |
Johannes Stezenbach | 094a1d9 | 2010-12-13 12:34:00 +0100 | [diff] [blame] | 737 | "unexpected pid %u, dropping\n", qid); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 738 | break; |
| 739 | } |
| 740 | |
Helmut Schaa | 11f818e | 2011-03-03 19:38:55 +0100 | [diff] [blame] | 741 | queue = rt2x00queue_get_tx_queue(rt2x00dev, qid); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 742 | if (unlikely(queue == NULL)) { |
| 743 | /* |
| 744 | * The queue is NULL, this shouldn't happen. Stop |
| 745 | * processing here and drop the tx status |
| 746 | */ |
| 747 | WARNING(rt2x00dev, "Got TX status for an unavailable " |
Johannes Stezenbach | 094a1d9 | 2010-12-13 12:34:00 +0100 | [diff] [blame] | 748 | "queue %u, dropping\n", qid); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 749 | break; |
| 750 | } |
| 751 | |
Helmut Schaa | 87443e8 | 2011-03-03 19:39:27 +0100 | [diff] [blame] | 752 | if (unlikely(rt2x00queue_empty(queue))) { |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 753 | /* |
| 754 | * The queue is empty. Stop processing here |
| 755 | * and drop the tx status. |
| 756 | */ |
| 757 | WARNING(rt2x00dev, "Got TX status for an empty " |
Johannes Stezenbach | 094a1d9 | 2010-12-13 12:34:00 +0100 | [diff] [blame] | 758 | "queue %u, dropping\n", qid); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 759 | break; |
| 760 | } |
| 761 | |
| 762 | entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); |
Helmut Schaa | 31937c4 | 2011-09-07 20:10:02 +0200 | [diff] [blame] | 763 | rt2800_txdone_entry(entry, status, rt2800pci_get_txwi(entry)); |
Helmut Schaa | 2e7798b | 2011-03-28 13:30:09 +0200 | [diff] [blame] | 764 | |
| 765 | if (--max_tx_done == 0) |
| 766 | break; |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 767 | } |
Helmut Schaa | 2e7798b | 2011-03-28 13:30:09 +0200 | [diff] [blame] | 768 | |
| 769 | return !max_tx_done; |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 770 | } |
| 771 | |
Helmut Schaa | 7a5a681 | 2011-04-18 15:31:31 +0200 | [diff] [blame] | 772 | static inline void rt2800pci_enable_interrupt(struct rt2x00_dev *rt2x00dev, |
| 773 | struct rt2x00_field32 irq_field) |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 774 | { |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 775 | u32 reg; |
| 776 | |
| 777 | /* |
| 778 | * Enable a single interrupt. The interrupt mask register |
| 779 | * access needs locking. |
| 780 | */ |
Helmut Schaa | 0aa13b2 | 2011-03-03 19:45:16 +0100 | [diff] [blame] | 781 | spin_lock_irq(&rt2x00dev->irqmask_lock); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 782 | rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, ®); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 783 | rt2x00_set_field32(®, irq_field, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 784 | rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg); |
Helmut Schaa | 0aa13b2 | 2011-03-03 19:45:16 +0100 | [diff] [blame] | 785 | spin_unlock_irq(&rt2x00dev->irqmask_lock); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 786 | } |
| 787 | |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 788 | static void rt2800pci_txstatus_tasklet(unsigned long data) |
| 789 | { |
Helmut Schaa | 2e7798b | 2011-03-28 13:30:09 +0200 | [diff] [blame] | 790 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; |
| 791 | if (rt2800pci_txdone(rt2x00dev)) |
| 792 | tasklet_schedule(&rt2x00dev->txstatus_tasklet); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 793 | |
| 794 | /* |
| 795 | * No need to enable the tx status interrupt here as we always |
| 796 | * leave it enabled to minimize the possibility of a tx status |
| 797 | * register overflow. See comment in interrupt handler. |
| 798 | */ |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 799 | } |
| 800 | |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 801 | static void rt2800pci_pretbtt_tasklet(unsigned long data) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 802 | { |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 803 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; |
| 804 | rt2x00lib_pretbtt(rt2x00dev); |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 805 | if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
| 806 | rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_PRE_TBTT); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 807 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 808 | |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 809 | static void rt2800pci_tbtt_tasklet(unsigned long data) |
| 810 | { |
| 811 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; |
| 812 | rt2x00lib_beacondone(rt2x00dev); |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 813 | if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
| 814 | rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_TBTT); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 815 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 816 | |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 817 | static void rt2800pci_rxdone_tasklet(unsigned long data) |
| 818 | { |
| 819 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; |
Helmut Schaa | 1663893 | 2011-03-28 13:29:44 +0200 | [diff] [blame] | 820 | if (rt2x00pci_rxdone(rt2x00dev)) |
| 821 | tasklet_schedule(&rt2x00dev->rxdone_tasklet); |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 822 | else if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
Helmut Schaa | 1663893 | 2011-03-28 13:29:44 +0200 | [diff] [blame] | 823 | rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_RX_DONE); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 824 | } |
Helmut Schaa | ad90319 | 2010-06-29 21:46:43 +0200 | [diff] [blame] | 825 | |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 826 | static void rt2800pci_autowake_tasklet(unsigned long data) |
| 827 | { |
| 828 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; |
| 829 | rt2800pci_wakeup(rt2x00dev); |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 830 | if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
| 831 | rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_AUTO_WAKEUP); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 832 | } |
| 833 | |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 834 | static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev) |
| 835 | { |
| 836 | u32 status; |
| 837 | int i; |
| 838 | |
| 839 | /* |
| 840 | * The TX_FIFO_STATUS interrupt needs special care. We should |
| 841 | * read TX_STA_FIFO but we should do it immediately as otherwise |
| 842 | * the register can overflow and we would lose status reports. |
| 843 | * |
| 844 | * Hence, read the TX_STA_FIFO register and copy all tx status |
| 845 | * reports into a kernel FIFO which is handled in the txstatus |
| 846 | * tasklet. We use a tasklet to process the tx status reports |
| 847 | * because we can schedule the tasklet multiple times (when the |
| 848 | * interrupt fires again during tx status processing). |
| 849 | * |
| 850 | * Furthermore we don't disable the TX_FIFO_STATUS |
| 851 | * interrupt here but leave it enabled so that the TX_STA_FIFO |
Helmut Schaa | 3736fe5 | 2011-03-03 19:45:39 +0100 | [diff] [blame] | 852 | * can also be read while the tx status tasklet gets executed. |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 853 | * |
| 854 | * Since we have only one producer and one consumer we don't |
| 855 | * need to lock the kfifo. |
| 856 | */ |
Helmut Schaa | efd2f27 | 2010-11-04 20:37:22 +0100 | [diff] [blame] | 857 | for (i = 0; i < rt2x00dev->ops->tx->entry_num; i++) { |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 858 | rt2x00pci_register_read(rt2x00dev, TX_STA_FIFO, &status); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 859 | |
| 860 | if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID)) |
| 861 | break; |
| 862 | |
Johannes Stezenbach | c4d6324 | 2010-12-27 15:04:29 +0100 | [diff] [blame] | 863 | if (!kfifo_put(&rt2x00dev->txstatus_fifo, &status)) { |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 864 | WARNING(rt2x00dev, "TX status FIFO overrun," |
| 865 | "drop tx status report.\n"); |
| 866 | break; |
| 867 | } |
| 868 | } |
| 869 | |
| 870 | /* Schedule the tasklet for processing the tx status. */ |
| 871 | tasklet_schedule(&rt2x00dev->txstatus_tasklet); |
| 872 | } |
| 873 | |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 874 | static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance) |
| 875 | { |
| 876 | struct rt2x00_dev *rt2x00dev = dev_instance; |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 877 | u32 reg, mask; |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 878 | |
| 879 | /* Read status and ACK all interrupts */ |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 880 | rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®); |
| 881 | rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg); |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 882 | |
| 883 | if (!reg) |
| 884 | return IRQ_NONE; |
| 885 | |
| 886 | if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
| 887 | return IRQ_HANDLED; |
| 888 | |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 889 | /* |
| 890 | * Since INT_MASK_CSR and INT_SOURCE_CSR use the same bits |
| 891 | * for interrupts and interrupt masks we can just use the value of |
| 892 | * INT_SOURCE_CSR to create the interrupt mask. |
| 893 | */ |
| 894 | mask = ~reg; |
| 895 | |
| 896 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) { |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 897 | rt2800pci_txstatus_interrupt(rt2x00dev); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 898 | /* |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 899 | * Never disable the TX_FIFO_STATUS interrupt. |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 900 | */ |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 901 | rt2x00_set_field32(&mask, INT_MASK_CSR_TX_FIFO_STATUS, 1); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 902 | } |
| 903 | |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 904 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT)) |
| 905 | tasklet_hi_schedule(&rt2x00dev->pretbtt_tasklet); |
| 906 | |
| 907 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT)) |
| 908 | tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet); |
| 909 | |
| 910 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE)) |
| 911 | tasklet_schedule(&rt2x00dev->rxdone_tasklet); |
| 912 | |
| 913 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP)) |
| 914 | tasklet_schedule(&rt2x00dev->autowake_tasklet); |
| 915 | |
| 916 | /* |
| 917 | * Disable all interrupts for which a tasklet was scheduled right now, |
| 918 | * the tasklet will reenable the appropriate interrupts. |
| 919 | */ |
Helmut Schaa | 0aa13b2 | 2011-03-03 19:45:16 +0100 | [diff] [blame] | 920 | spin_lock(&rt2x00dev->irqmask_lock); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 921 | rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, ®); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 922 | reg &= mask; |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 923 | rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg); |
Helmut Schaa | 0aa13b2 | 2011-03-03 19:45:16 +0100 | [diff] [blame] | 924 | spin_unlock(&rt2x00dev->irqmask_lock); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 925 | |
| 926 | return IRQ_HANDLED; |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 927 | } |
| 928 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 929 | /* |
| 930 | * Device probe functions. |
| 931 | */ |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 932 | static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) |
| 933 | { |
| 934 | /* |
| 935 | * Read EEPROM into buffer |
| 936 | */ |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 937 | if (rt2x00_is_soc(rt2x00dev)) |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 938 | rt2800pci_read_eeprom_soc(rt2x00dev); |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 939 | else if (rt2800pci_efuse_detect(rt2x00dev)) |
| 940 | rt2800pci_read_eeprom_efuse(rt2x00dev); |
| 941 | else |
| 942 | rt2800pci_read_eeprom_pci(rt2x00dev); |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 943 | |
| 944 | return rt2800_validate_eeprom(rt2x00dev); |
| 945 | } |
| 946 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 947 | static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev) |
| 948 | { |
| 949 | int retval; |
| 950 | |
| 951 | /* |
| 952 | * Allocate eeprom data. |
| 953 | */ |
| 954 | retval = rt2800pci_validate_eeprom(rt2x00dev); |
| 955 | if (retval) |
| 956 | return retval; |
| 957 | |
Bartlomiej Zolnierkiewicz | 38bd7b8 | 2009-11-08 14:39:01 +0100 | [diff] [blame] | 958 | retval = rt2800_init_eeprom(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 959 | if (retval) |
| 960 | return retval; |
| 961 | |
| 962 | /* |
| 963 | * Initialize hw specifications. |
| 964 | */ |
Bartlomiej Zolnierkiewicz | 4da2933 | 2009-11-08 14:39:32 +0100 | [diff] [blame] | 965 | retval = rt2800_probe_hw_mode(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 966 | if (retval) |
| 967 | return retval; |
| 968 | |
| 969 | /* |
| 970 | * This device has multiple filters for control frames |
| 971 | * and has a separate filter for PS Poll frames. |
| 972 | */ |
Ivo van Doorn | 7dab73b | 2011-04-18 15:27:06 +0200 | [diff] [blame] | 973 | __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags); |
| 974 | __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 975 | |
| 976 | /* |
Helmut Schaa | 9f926fb | 2010-07-11 12:28:23 +0200 | [diff] [blame] | 977 | * This device has a pre tbtt interrupt and thus fetches |
| 978 | * a new beacon directly prior to transmission. |
| 979 | */ |
Ivo van Doorn | 7dab73b | 2011-04-18 15:27:06 +0200 | [diff] [blame] | 980 | __set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags); |
Helmut Schaa | 9f926fb | 2010-07-11 12:28:23 +0200 | [diff] [blame] | 981 | |
| 982 | /* |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 983 | * This device requires firmware. |
| 984 | */ |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 985 | if (!rt2x00_is_soc(rt2x00dev)) |
Ivo van Doorn | 7dab73b | 2011-04-18 15:27:06 +0200 | [diff] [blame] | 986 | __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags); |
| 987 | __set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags); |
| 988 | __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags); |
| 989 | __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags); |
| 990 | __set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 991 | if (!modparam_nohwcrypt) |
Ivo van Doorn | 7dab73b | 2011-04-18 15:27:06 +0200 | [diff] [blame] | 992 | __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags); |
| 993 | __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags); |
| 994 | __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 995 | |
| 996 | /* |
| 997 | * Set the rssi offset. |
| 998 | */ |
| 999 | rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; |
| 1000 | |
| 1001 | return 0; |
| 1002 | } |
| 1003 | |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 1004 | static const struct ieee80211_ops rt2800pci_mac80211_ops = { |
| 1005 | .tx = rt2x00mac_tx, |
| 1006 | .start = rt2x00mac_start, |
| 1007 | .stop = rt2x00mac_stop, |
| 1008 | .add_interface = rt2x00mac_add_interface, |
| 1009 | .remove_interface = rt2x00mac_remove_interface, |
| 1010 | .config = rt2x00mac_config, |
| 1011 | .configure_filter = rt2x00mac_configure_filter, |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 1012 | .set_key = rt2x00mac_set_key, |
| 1013 | .sw_scan_start = rt2x00mac_sw_scan_start, |
| 1014 | .sw_scan_complete = rt2x00mac_sw_scan_complete, |
| 1015 | .get_stats = rt2x00mac_get_stats, |
| 1016 | .get_tkip_seq = rt2800_get_tkip_seq, |
| 1017 | .set_rts_threshold = rt2800_set_rts_threshold, |
Helmut Schaa | a2b1328 | 2011-09-08 14:38:01 +0200 | [diff] [blame^] | 1018 | .sta_add = rt2x00mac_sta_add, |
| 1019 | .sta_remove = rt2x00mac_sta_remove, |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 1020 | .bss_info_changed = rt2x00mac_bss_info_changed, |
| 1021 | .conf_tx = rt2800_conf_tx, |
| 1022 | .get_tsf = rt2800_get_tsf, |
| 1023 | .rfkill_poll = rt2x00mac_rfkill_poll, |
| 1024 | .ampdu_action = rt2800_ampdu_action, |
Ivo van Doorn | f44df18 | 2010-11-04 20:40:11 +0100 | [diff] [blame] | 1025 | .flush = rt2x00mac_flush, |
Helmut Schaa | 977206d | 2010-12-13 12:31:58 +0100 | [diff] [blame] | 1026 | .get_survey = rt2800_get_survey, |
Ivo van Doorn | e7dee44 | 2011-04-18 15:34:41 +0200 | [diff] [blame] | 1027 | .get_ringparam = rt2x00mac_get_ringparam, |
Gertjan van Wingerde | 5f0dd29 | 2011-07-06 23:00:21 +0200 | [diff] [blame] | 1028 | .tx_frames_pending = rt2x00mac_tx_frames_pending, |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 1029 | }; |
| 1030 | |
Ivo van Doorn | e796643 | 2010-07-11 12:31:23 +0200 | [diff] [blame] | 1031 | static const struct rt2800_ops rt2800pci_rt2800_ops = { |
| 1032 | .register_read = rt2x00pci_register_read, |
| 1033 | .register_read_lock = rt2x00pci_register_read, /* same for PCI */ |
| 1034 | .register_write = rt2x00pci_register_write, |
| 1035 | .register_write_lock = rt2x00pci_register_write, /* same for PCI */ |
| 1036 | .register_multiread = rt2x00pci_register_multiread, |
| 1037 | .register_multiwrite = rt2x00pci_register_multiwrite, |
| 1038 | .regbusy_read = rt2x00pci_regbusy_read, |
| 1039 | .drv_write_firmware = rt2800pci_write_firmware, |
| 1040 | .drv_init_registers = rt2800pci_init_registers, |
Ivo van Doorn | 0c5879b | 2010-08-06 20:47:20 +0200 | [diff] [blame] | 1041 | .drv_get_txwi = rt2800pci_get_txwi, |
Ivo van Doorn | e796643 | 2010-07-11 12:31:23 +0200 | [diff] [blame] | 1042 | }; |
| 1043 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1044 | static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = { |
| 1045 | .irq_handler = rt2800pci_interrupt, |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 1046 | .txstatus_tasklet = rt2800pci_txstatus_tasklet, |
| 1047 | .pretbtt_tasklet = rt2800pci_pretbtt_tasklet, |
| 1048 | .tbtt_tasklet = rt2800pci_tbtt_tasklet, |
| 1049 | .rxdone_tasklet = rt2800pci_rxdone_tasklet, |
| 1050 | .autowake_tasklet = rt2800pci_autowake_tasklet, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1051 | .probe_hw = rt2800pci_probe_hw, |
| 1052 | .get_firmware_name = rt2800pci_get_firmware_name, |
Ivo van Doorn | f31c9a8 | 2010-07-11 12:30:37 +0200 | [diff] [blame] | 1053 | .check_firmware = rt2800_check_firmware, |
| 1054 | .load_firmware = rt2800_load_firmware, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1055 | .initialize = rt2x00pci_initialize, |
| 1056 | .uninitialize = rt2x00pci_uninitialize, |
| 1057 | .get_entry_state = rt2800pci_get_entry_state, |
| 1058 | .clear_entry = rt2800pci_clear_entry, |
| 1059 | .set_device_state = rt2800pci_set_device_state, |
Bartlomiej Zolnierkiewicz | f445061 | 2009-11-04 18:36:40 +0100 | [diff] [blame] | 1060 | .rfkill_poll = rt2800_rfkill_poll, |
| 1061 | .link_stats = rt2800_link_stats, |
| 1062 | .reset_tuner = rt2800_reset_tuner, |
| 1063 | .link_tuner = rt2800_link_tuner, |
Helmut Schaa | 9e33a35 | 2011-03-28 13:33:40 +0200 | [diff] [blame] | 1064 | .gain_calibration = rt2800_gain_calibration, |
Ivo van Doorn | dbba306 | 2010-12-13 12:34:54 +0100 | [diff] [blame] | 1065 | .start_queue = rt2800pci_start_queue, |
| 1066 | .kick_queue = rt2800pci_kick_queue, |
| 1067 | .stop_queue = rt2800pci_stop_queue, |
Ivo van Doorn | 152a599 | 2011-04-18 15:31:02 +0200 | [diff] [blame] | 1068 | .flush_queue = rt2x00pci_flush_queue, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1069 | .write_tx_desc = rt2800pci_write_tx_desc, |
Ivo van Doorn | 0c5879b | 2010-08-06 20:47:20 +0200 | [diff] [blame] | 1070 | .write_tx_data = rt2800_write_tx_data, |
Gertjan van Wingerde | f0194b2 | 2010-06-03 10:51:53 +0200 | [diff] [blame] | 1071 | .write_beacon = rt2800_write_beacon, |
Helmut Schaa | 69cf36a | 2011-01-30 13:16:03 +0100 | [diff] [blame] | 1072 | .clear_beacon = rt2800_clear_beacon, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1073 | .fill_rxdone = rt2800pci_fill_rxdone, |
Bartlomiej Zolnierkiewicz | f445061 | 2009-11-04 18:36:40 +0100 | [diff] [blame] | 1074 | .config_shared_key = rt2800_config_shared_key, |
| 1075 | .config_pairwise_key = rt2800_config_pairwise_key, |
| 1076 | .config_filter = rt2800_config_filter, |
| 1077 | .config_intf = rt2800_config_intf, |
| 1078 | .config_erp = rt2800_config_erp, |
| 1079 | .config_ant = rt2800_config_ant, |
| 1080 | .config = rt2800_config, |
Helmut Schaa | a2b1328 | 2011-09-08 14:38:01 +0200 | [diff] [blame^] | 1081 | .sta_add = rt2800_sta_add, |
| 1082 | .sta_remove = rt2800_sta_remove, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1083 | }; |
| 1084 | |
| 1085 | static const struct data_queue_desc rt2800pci_queue_rx = { |
Helmut Schaa | efd2f27 | 2010-11-04 20:37:22 +0100 | [diff] [blame] | 1086 | .entry_num = 128, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1087 | .data_size = AGGREGATION_SIZE, |
| 1088 | .desc_size = RXD_DESC_SIZE, |
| 1089 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1090 | }; |
| 1091 | |
| 1092 | static const struct data_queue_desc rt2800pci_queue_tx = { |
Helmut Schaa | efd2f27 | 2010-11-04 20:37:22 +0100 | [diff] [blame] | 1093 | .entry_num = 64, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1094 | .data_size = AGGREGATION_SIZE, |
| 1095 | .desc_size = TXD_DESC_SIZE, |
| 1096 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1097 | }; |
| 1098 | |
| 1099 | static const struct data_queue_desc rt2800pci_queue_bcn = { |
Helmut Schaa | efd2f27 | 2010-11-04 20:37:22 +0100 | [diff] [blame] | 1100 | .entry_num = 8, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1101 | .data_size = 0, /* No DMA required for beacons */ |
| 1102 | .desc_size = TXWI_DESC_SIZE, |
| 1103 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1104 | }; |
| 1105 | |
| 1106 | static const struct rt2x00_ops rt2800pci_ops = { |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1107 | .name = KBUILD_MODNAME, |
| 1108 | .max_sta_intf = 1, |
| 1109 | .max_ap_intf = 8, |
| 1110 | .eeprom_size = EEPROM_SIZE, |
| 1111 | .rf_size = RF_SIZE, |
| 1112 | .tx_queues = NUM_TX_QUEUES, |
Gertjan van Wingerde | e6218cc | 2009-11-23 22:44:52 +0100 | [diff] [blame] | 1113 | .extra_tx_headroom = TXWI_DESC_SIZE, |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1114 | .rx = &rt2800pci_queue_rx, |
| 1115 | .tx = &rt2800pci_queue_tx, |
| 1116 | .bcn = &rt2800pci_queue_bcn, |
| 1117 | .lib = &rt2800pci_rt2x00_ops, |
Ivo van Doorn | e796643 | 2010-07-11 12:31:23 +0200 | [diff] [blame] | 1118 | .drv = &rt2800pci_rt2800_ops, |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 1119 | .hw = &rt2800pci_mac80211_ops, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1120 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1121 | .debugfs = &rt2800_rt2x00debug, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1122 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
| 1123 | }; |
| 1124 | |
| 1125 | /* |
| 1126 | * RT2800pci module information. |
| 1127 | */ |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1128 | #ifdef CONFIG_PCI |
Alexey Dobriyan | a3aa188 | 2010-01-07 11:58:11 +0000 | [diff] [blame] | 1129 | static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = { |
Gertjan van Wingerde | e01ae27 | 2011-04-18 15:32:13 +0200 | [diff] [blame] | 1130 | { PCI_DEVICE(0x1814, 0x0601) }, |
| 1131 | { PCI_DEVICE(0x1814, 0x0681) }, |
| 1132 | { PCI_DEVICE(0x1814, 0x0701) }, |
| 1133 | { PCI_DEVICE(0x1814, 0x0781) }, |
| 1134 | { PCI_DEVICE(0x1814, 0x3090) }, |
| 1135 | { PCI_DEVICE(0x1814, 0x3091) }, |
| 1136 | { PCI_DEVICE(0x1814, 0x3092) }, |
| 1137 | { PCI_DEVICE(0x1432, 0x7708) }, |
| 1138 | { PCI_DEVICE(0x1432, 0x7727) }, |
| 1139 | { PCI_DEVICE(0x1432, 0x7728) }, |
| 1140 | { PCI_DEVICE(0x1432, 0x7738) }, |
| 1141 | { PCI_DEVICE(0x1432, 0x7748) }, |
| 1142 | { PCI_DEVICE(0x1432, 0x7758) }, |
| 1143 | { PCI_DEVICE(0x1432, 0x7768) }, |
| 1144 | { PCI_DEVICE(0x1462, 0x891a) }, |
| 1145 | { PCI_DEVICE(0x1a3b, 0x1059) }, |
Gertjan van Wingerde | f93bc9b | 2010-11-13 19:09:50 +0100 | [diff] [blame] | 1146 | #ifdef CONFIG_RT2800PCI_RT33XX |
Gertjan van Wingerde | e01ae27 | 2011-04-18 15:32:13 +0200 | [diff] [blame] | 1147 | { PCI_DEVICE(0x1814, 0x3390) }, |
Gertjan van Wingerde | f93bc9b | 2010-11-13 19:09:50 +0100 | [diff] [blame] | 1148 | #endif |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1149 | #ifdef CONFIG_RT2800PCI_RT35XX |
Gertjan van Wingerde | e01ae27 | 2011-04-18 15:32:13 +0200 | [diff] [blame] | 1150 | { PCI_DEVICE(0x1432, 0x7711) }, |
| 1151 | { PCI_DEVICE(0x1432, 0x7722) }, |
| 1152 | { PCI_DEVICE(0x1814, 0x3060) }, |
| 1153 | { PCI_DEVICE(0x1814, 0x3062) }, |
| 1154 | { PCI_DEVICE(0x1814, 0x3562) }, |
| 1155 | { PCI_DEVICE(0x1814, 0x3592) }, |
| 1156 | { PCI_DEVICE(0x1814, 0x3593) }, |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1157 | #endif |
RA-Shiang Tu | 60687ba | 2011-02-20 13:57:46 +0100 | [diff] [blame] | 1158 | #ifdef CONFIG_RT2800PCI_RT53XX |
Gertjan van Wingerde | e01ae27 | 2011-04-18 15:32:13 +0200 | [diff] [blame] | 1159 | { PCI_DEVICE(0x1814, 0x5390) }, |
zero.lin | 5126d97 | 2011-08-31 20:43:52 +0200 | [diff] [blame] | 1160 | { PCI_DEVICE(0x1814, 0x539a) }, |
Gertjan van Wingerde | 71e0b38 | 2011-07-06 22:58:55 +0200 | [diff] [blame] | 1161 | { PCI_DEVICE(0x1814, 0x539f) }, |
RA-Shiang Tu | 60687ba | 2011-02-20 13:57:46 +0100 | [diff] [blame] | 1162 | #endif |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1163 | { 0, } |
| 1164 | }; |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1165 | #endif /* CONFIG_PCI */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1166 | |
| 1167 | MODULE_AUTHOR(DRV_PROJECT); |
| 1168 | MODULE_VERSION(DRV_VERSION); |
| 1169 | MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver."); |
| 1170 | MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards"); |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1171 | #ifdef CONFIG_PCI |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1172 | MODULE_FIRMWARE(FIRMWARE_RT2860); |
| 1173 | MODULE_DEVICE_TABLE(pci, rt2800pci_device_table); |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1174 | #endif /* CONFIG_PCI */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1175 | MODULE_LICENSE("GPL"); |
| 1176 | |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1177 | #if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) |
Gertjan van Wingerde | 714fa66 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1178 | static int rt2800soc_probe(struct platform_device *pdev) |
| 1179 | { |
Helmut Schaa | 6e93d71 | 2010-03-02 16:34:49 +0100 | [diff] [blame] | 1180 | return rt2x00soc_probe(pdev, &rt2800pci_ops); |
Gertjan van Wingerde | 714fa66 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1181 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1182 | |
| 1183 | static struct platform_driver rt2800soc_driver = { |
| 1184 | .driver = { |
| 1185 | .name = "rt2800_wmac", |
| 1186 | .owner = THIS_MODULE, |
| 1187 | .mod_name = KBUILD_MODNAME, |
| 1188 | }, |
Gertjan van Wingerde | 714fa66 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1189 | .probe = rt2800soc_probe, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1190 | .remove = __devexit_p(rt2x00soc_remove), |
| 1191 | .suspend = rt2x00soc_suspend, |
| 1192 | .resume = rt2x00soc_resume, |
| 1193 | }; |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1194 | #endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1195 | |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1196 | #ifdef CONFIG_PCI |
Gertjan van Wingerde | e01ae27 | 2011-04-18 15:32:13 +0200 | [diff] [blame] | 1197 | static int rt2800pci_probe(struct pci_dev *pci_dev, |
| 1198 | const struct pci_device_id *id) |
| 1199 | { |
| 1200 | return rt2x00pci_probe(pci_dev, &rt2800pci_ops); |
| 1201 | } |
| 1202 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1203 | static struct pci_driver rt2800pci_driver = { |
| 1204 | .name = KBUILD_MODNAME, |
| 1205 | .id_table = rt2800pci_device_table, |
Gertjan van Wingerde | e01ae27 | 2011-04-18 15:32:13 +0200 | [diff] [blame] | 1206 | .probe = rt2800pci_probe, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1207 | .remove = __devexit_p(rt2x00pci_remove), |
| 1208 | .suspend = rt2x00pci_suspend, |
| 1209 | .resume = rt2x00pci_resume, |
| 1210 | }; |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1211 | #endif /* CONFIG_PCI */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1212 | |
| 1213 | static int __init rt2800pci_init(void) |
| 1214 | { |
| 1215 | int ret = 0; |
| 1216 | |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1217 | #if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1218 | ret = platform_driver_register(&rt2800soc_driver); |
| 1219 | if (ret) |
| 1220 | return ret; |
| 1221 | #endif |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1222 | #ifdef CONFIG_PCI |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1223 | ret = pci_register_driver(&rt2800pci_driver); |
| 1224 | if (ret) { |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1225 | #if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1226 | platform_driver_unregister(&rt2800soc_driver); |
| 1227 | #endif |
| 1228 | return ret; |
| 1229 | } |
| 1230 | #endif |
| 1231 | |
| 1232 | return ret; |
| 1233 | } |
| 1234 | |
| 1235 | static void __exit rt2800pci_exit(void) |
| 1236 | { |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1237 | #ifdef CONFIG_PCI |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1238 | pci_unregister_driver(&rt2800pci_driver); |
| 1239 | #endif |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1240 | #if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1241 | platform_driver_unregister(&rt2800soc_driver); |
| 1242 | #endif |
| 1243 | } |
| 1244 | |
| 1245 | module_init(rt2800pci_init); |
| 1246 | module_exit(rt2800pci_exit); |