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 | */ |
Rusty Russell | eb93992 | 2011-12-19 14:08:01 +0000 | [diff] [blame] | 53 | static bool modparam_nohwcrypt = false; |
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 | |
Gertjan van Wingerde | ad417a5 | 2012-09-03 03:25:51 +0200 | [diff] [blame] | 57 | static bool rt2800pci_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev) |
| 58 | { |
| 59 | return modparam_nohwcrypt; |
| 60 | } |
| 61 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 62 | static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token) |
| 63 | { |
| 64 | unsigned int i; |
| 65 | u32 reg; |
| 66 | |
Luis Correia | f18d446 | 2010-04-03 12:49:53 +0100 | [diff] [blame] | 67 | /* |
| 68 | * SOC devices don't support MCU requests. |
| 69 | */ |
| 70 | if (rt2x00_is_soc(rt2x00dev)) |
| 71 | return; |
| 72 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 73 | for (i = 0; i < 200; i++) { |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 74 | rt2x00pci_register_read(rt2x00dev, H2M_MAILBOX_CID, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 75 | |
| 76 | if ((rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD0) == token) || |
| 77 | (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD1) == token) || |
| 78 | (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD2) == token) || |
| 79 | (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD3) == token)) |
| 80 | break; |
| 81 | |
| 82 | udelay(REGISTER_BUSY_DELAY); |
| 83 | } |
| 84 | |
| 85 | if (i == 200) |
| 86 | ERROR(rt2x00dev, "MCU request failed, no response from hardware\n"); |
| 87 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 88 | rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0); |
| 89 | rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 90 | } |
| 91 | |
John Crispin | 5818a46 | 2013-03-13 13:20:15 +0100 | [diff] [blame] | 92 | #if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X) |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 93 | static int rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 94 | { |
Gertjan van Wingerde | ef8397c | 2010-11-13 19:11:22 +0100 | [diff] [blame] | 95 | void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 96 | |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 97 | if (!base_addr) |
| 98 | return -ENOMEM; |
| 99 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 100 | memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE); |
Gertjan van Wingerde | ef8397c | 2010-11-13 19:11:22 +0100 | [diff] [blame] | 101 | |
| 102 | iounmap(base_addr); |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 103 | return 0; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 104 | } |
| 105 | #else |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 106 | static inline int rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 107 | { |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 108 | return -ENOMEM; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 109 | } |
John Crispin | 5818a46 | 2013-03-13 13:20:15 +0100 | [diff] [blame] | 110 | #endif /* CONFIG_SOC_RT288X || CONFIG_SOC_RT305X */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 111 | |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 112 | #ifdef CONFIG_PCI |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 113 | static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom) |
| 114 | { |
| 115 | struct rt2x00_dev *rt2x00dev = eeprom->data; |
| 116 | u32 reg; |
| 117 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 118 | rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 119 | |
| 120 | eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN); |
| 121 | eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT); |
| 122 | eeprom->reg_data_clock = |
| 123 | !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK); |
| 124 | eeprom->reg_chip_select = |
| 125 | !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT); |
| 126 | } |
| 127 | |
| 128 | static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom) |
| 129 | { |
| 130 | struct rt2x00_dev *rt2x00dev = eeprom->data; |
| 131 | u32 reg = 0; |
| 132 | |
| 133 | rt2x00_set_field32(®, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in); |
| 134 | rt2x00_set_field32(®, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out); |
| 135 | rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK, |
| 136 | !!eeprom->reg_data_clock); |
| 137 | rt2x00_set_field32(®, E2PROM_CSR_CHIP_SELECT, |
| 138 | !!eeprom->reg_chip_select); |
| 139 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 140 | rt2x00pci_register_write(rt2x00dev, E2PROM_CSR, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 141 | } |
| 142 | |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 143 | static int rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 144 | { |
| 145 | struct eeprom_93cx6 eeprom; |
| 146 | u32 reg; |
| 147 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 148 | rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 149 | |
| 150 | eeprom.data = rt2x00dev; |
| 151 | eeprom.register_read = rt2800pci_eepromregister_read; |
| 152 | eeprom.register_write = rt2800pci_eepromregister_write; |
Gertjan van Wingerde | 20f8b13 | 2010-06-29 21:44:18 +0200 | [diff] [blame] | 153 | switch (rt2x00_get_field32(reg, E2PROM_CSR_TYPE)) |
| 154 | { |
| 155 | case 0: |
| 156 | eeprom.width = PCI_EEPROM_WIDTH_93C46; |
| 157 | break; |
| 158 | case 1: |
| 159 | eeprom.width = PCI_EEPROM_WIDTH_93C66; |
| 160 | break; |
| 161 | default: |
| 162 | eeprom.width = PCI_EEPROM_WIDTH_93C86; |
| 163 | break; |
| 164 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 165 | eeprom.reg_data_in = 0; |
| 166 | eeprom.reg_data_out = 0; |
| 167 | eeprom.reg_data_clock = 0; |
| 168 | eeprom.reg_chip_select = 0; |
| 169 | |
| 170 | eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom, |
| 171 | EEPROM_SIZE / sizeof(u16)); |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 172 | |
| 173 | return 0; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 174 | } |
| 175 | |
Gertjan van Wingerde | a659868 | 2009-11-08 12:30:35 +0100 | [diff] [blame] | 176 | static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev) |
| 177 | { |
Bartlomiej Zolnierkiewicz | 30e8403 | 2009-11-08 14:39:48 +0100 | [diff] [blame] | 178 | return rt2800_efuse_detect(rt2x00dev); |
Gertjan van Wingerde | a659868 | 2009-11-08 12:30:35 +0100 | [diff] [blame] | 179 | } |
| 180 | |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 181 | static inline int rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 182 | { |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 183 | return rt2800_read_eeprom_efuse(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 184 | } |
| 185 | #else |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 186 | static inline int rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 187 | { |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 188 | return -EOPNOTSUPP; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 189 | } |
| 190 | |
Gertjan van Wingerde | a659868 | 2009-11-08 12:30:35 +0100 | [diff] [blame] | 191 | static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev) |
| 192 | { |
| 193 | return 0; |
| 194 | } |
| 195 | |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 196 | static inline int rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 197 | { |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 198 | return -EOPNOTSUPP; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 199 | } |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 200 | #endif /* CONFIG_PCI */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 201 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 202 | /* |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 203 | * Queue handlers. |
| 204 | */ |
| 205 | static void rt2800pci_start_queue(struct data_queue *queue) |
| 206 | { |
| 207 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; |
| 208 | u32 reg; |
| 209 | |
| 210 | switch (queue->qid) { |
| 211 | case QID_RX: |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 212 | rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 213 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 214 | rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 215 | break; |
| 216 | case QID_BEACON: |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 217 | rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, ®); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 218 | rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); |
| 219 | rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); |
| 220 | rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 221 | rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg); |
Helmut Schaa | 69cf36a | 2011-01-30 13:16:03 +0100 | [diff] [blame] | 222 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 223 | rt2x00pci_register_read(rt2x00dev, INT_TIMER_EN, ®); |
Helmut Schaa | 69cf36a | 2011-01-30 13:16:03 +0100 | [diff] [blame] | 224 | rt2x00_set_field32(®, INT_TIMER_EN_PRE_TBTT_TIMER, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 225 | rt2x00pci_register_write(rt2x00dev, INT_TIMER_EN, reg); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 226 | break; |
| 227 | default: |
| 228 | break; |
Joe Perches | 6403eab | 2011-06-03 11:51:20 +0000 | [diff] [blame] | 229 | } |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | static void rt2800pci_kick_queue(struct data_queue *queue) |
| 233 | { |
| 234 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; |
| 235 | struct queue_entry *entry; |
| 236 | |
| 237 | switch (queue->qid) { |
Ivo van Doorn | f615e9a | 2010-12-13 12:36:38 +0100 | [diff] [blame] | 238 | case QID_AC_VO: |
| 239 | case QID_AC_VI: |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 240 | case QID_AC_BE: |
| 241 | case QID_AC_BK: |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 242 | entry = rt2x00queue_get_entry(queue, Q_INDEX); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 243 | rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(queue->qid), |
| 244 | entry->entry_idx); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 245 | break; |
| 246 | case QID_MGMT: |
| 247 | entry = rt2x00queue_get_entry(queue, Q_INDEX); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 248 | rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(5), |
| 249 | entry->entry_idx); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 250 | break; |
| 251 | default: |
| 252 | break; |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | static void rt2800pci_stop_queue(struct data_queue *queue) |
| 257 | { |
| 258 | struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; |
| 259 | u32 reg; |
| 260 | |
| 261 | switch (queue->qid) { |
| 262 | case QID_RX: |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 263 | rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 264 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 265 | rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 266 | break; |
| 267 | case QID_BEACON: |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 268 | rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, ®); |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 269 | rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 0); |
| 270 | rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 0); |
| 271 | rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 272 | rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg); |
Helmut Schaa | 69cf36a | 2011-01-30 13:16:03 +0100 | [diff] [blame] | 273 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 274 | rt2x00pci_register_read(rt2x00dev, INT_TIMER_EN, ®); |
Helmut Schaa | 69cf36a | 2011-01-30 13:16:03 +0100 | [diff] [blame] | 275 | rt2x00_set_field32(®, INT_TIMER_EN_PRE_TBTT_TIMER, 0); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 276 | rt2x00pci_register_write(rt2x00dev, INT_TIMER_EN, reg); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 277 | |
| 278 | /* |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 279 | * Wait for current invocation to finish. The tasklet |
| 280 | * won't be scheduled anymore afterwards since we disabled |
| 281 | * the TBTT and PRE TBTT timer. |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 282 | */ |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 283 | tasklet_kill(&rt2x00dev->tbtt_tasklet); |
| 284 | tasklet_kill(&rt2x00dev->pretbtt_tasklet); |
| 285 | |
Ivo van Doorn | 5450b7e | 2010-12-13 12:34:22 +0100 | [diff] [blame] | 286 | break; |
| 287 | default: |
| 288 | break; |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | /* |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 293 | * Firmware functions |
| 294 | */ |
| 295 | static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev) |
| 296 | { |
Woody Hung | a89534e | 2012-06-13 15:01:16 +0800 | [diff] [blame] | 297 | /* |
| 298 | * Chip rt3290 use specific 4KB firmware named rt3290.bin. |
| 299 | */ |
| 300 | if (rt2x00_rt(rt2x00dev, RT3290)) |
| 301 | return FIRMWARE_RT3290; |
| 302 | else |
| 303 | return FIRMWARE_RT2860; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 304 | } |
| 305 | |
Ivo van Doorn | f31c9a8 | 2010-07-11 12:30:37 +0200 | [diff] [blame] | 306 | static int rt2800pci_write_firmware(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 307 | const u8 *data, const size_t len) |
| 308 | { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 309 | u32 reg; |
| 310 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 311 | /* |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 312 | * enable Host program ram write selection |
| 313 | */ |
| 314 | reg = 0; |
| 315 | rt2x00_set_field32(®, PBF_SYS_CTRL_HOST_RAM_WRITE, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 316 | rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 317 | |
| 318 | /* |
| 319 | * Write firmware to device. |
| 320 | */ |
Ivo van Doorn | d4c838e | 2011-04-30 17:14:49 +0200 | [diff] [blame] | 321 | rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, |
| 322 | data, len); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 323 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 324 | rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000); |
| 325 | rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 326 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 327 | rt2x00pci_register_write(rt2x00dev, H2M_BBP_AGENT, 0); |
| 328 | rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 329 | |
| 330 | return 0; |
| 331 | } |
| 332 | |
| 333 | /* |
| 334 | * Initialization functions. |
| 335 | */ |
| 336 | static bool rt2800pci_get_entry_state(struct queue_entry *entry) |
| 337 | { |
| 338 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 339 | u32 word; |
| 340 | |
| 341 | if (entry->queue->qid == QID_RX) { |
| 342 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 343 | |
| 344 | return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE)); |
| 345 | } else { |
| 346 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 347 | |
| 348 | return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE)); |
| 349 | } |
| 350 | } |
| 351 | |
| 352 | static void rt2800pci_clear_entry(struct queue_entry *entry) |
| 353 | { |
| 354 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 355 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
Helmut Schaa | 9519233 | 2010-10-02 11:29:30 +0200 | [diff] [blame] | 356 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 357 | u32 word; |
| 358 | |
| 359 | if (entry->queue->qid == QID_RX) { |
| 360 | rt2x00_desc_read(entry_priv->desc, 0, &word); |
| 361 | rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma); |
| 362 | rt2x00_desc_write(entry_priv->desc, 0, word); |
| 363 | |
| 364 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 365 | rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0); |
| 366 | rt2x00_desc_write(entry_priv->desc, 1, word); |
Helmut Schaa | 9519233 | 2010-10-02 11:29:30 +0200 | [diff] [blame] | 367 | |
| 368 | /* |
| 369 | * Set RX IDX in register to inform hardware that we have |
| 370 | * handled this entry and it is available for reuse again. |
| 371 | */ |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 372 | rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX, |
Helmut Schaa | 9519233 | 2010-10-02 11:29:30 +0200 | [diff] [blame] | 373 | entry->entry_idx); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 374 | } else { |
| 375 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 376 | rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1); |
| 377 | rt2x00_desc_write(entry_priv->desc, 1, word); |
| 378 | } |
| 379 | } |
| 380 | |
| 381 | static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev) |
| 382 | { |
| 383 | struct queue_entry_priv_pci *entry_priv; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 384 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 385 | /* |
| 386 | * Initialize registers. |
| 387 | */ |
| 388 | entry_priv = rt2x00dev->tx[0].entries[0].priv_data; |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 389 | rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma); |
| 390 | rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT0, |
| 391 | rt2x00dev->tx[0].limit); |
| 392 | rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX0, 0); |
| 393 | rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX0, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 394 | |
| 395 | entry_priv = rt2x00dev->tx[1].entries[0].priv_data; |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 396 | rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma); |
| 397 | rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT1, |
| 398 | rt2x00dev->tx[1].limit); |
| 399 | rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX1, 0); |
| 400 | rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX1, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 401 | |
| 402 | entry_priv = rt2x00dev->tx[2].entries[0].priv_data; |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 403 | rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma); |
| 404 | rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT2, |
| 405 | rt2x00dev->tx[2].limit); |
| 406 | rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX2, 0); |
| 407 | rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX2, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 408 | |
| 409 | entry_priv = rt2x00dev->tx[3].entries[0].priv_data; |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 410 | rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma); |
| 411 | rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT3, |
| 412 | rt2x00dev->tx[3].limit); |
| 413 | rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX3, 0); |
| 414 | rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX3, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 415 | |
Jakub Kicinski | 3a4b43f | 2012-04-03 03:40:50 +0200 | [diff] [blame] | 416 | rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR4, 0); |
| 417 | rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT4, 0); |
| 418 | rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX4, 0); |
| 419 | rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX4, 0); |
| 420 | |
| 421 | rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR5, 0); |
| 422 | rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT5, 0); |
| 423 | rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX5, 0); |
| 424 | rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX5, 0); |
| 425 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 426 | entry_priv = rt2x00dev->rx->entries[0].priv_data; |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 427 | rt2x00pci_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma); |
| 428 | rt2x00pci_register_write(rt2x00dev, RX_MAX_CNT, |
| 429 | rt2x00dev->rx[0].limit); |
| 430 | rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX, |
| 431 | rt2x00dev->rx[0].limit - 1); |
| 432 | rt2x00pci_register_write(rt2x00dev, RX_DRX_IDX, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 433 | |
Jakub Kicinski | f7b395e | 2012-04-03 03:40:47 +0200 | [diff] [blame] | 434 | rt2800_disable_wpdma(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 435 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 436 | rt2x00pci_register_write(rt2x00dev, DELAY_INT_CFG, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 437 | |
| 438 | return 0; |
| 439 | } |
| 440 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 441 | /* |
| 442 | * Device state switch handlers. |
| 443 | */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 444 | static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev, |
| 445 | enum dev_state state) |
| 446 | { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 447 | u32 reg; |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 448 | unsigned long flags; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 449 | |
| 450 | /* |
| 451 | * When interrupts are being enabled, the interrupt registers |
| 452 | * should clear the register to assure a clean state. |
| 453 | */ |
| 454 | if (state == STATE_RADIO_IRQ_ON) { |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 455 | rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®); |
| 456 | rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 457 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 458 | |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 459 | spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags); |
Stanislaw Gruszka | dfd00c4 | 2012-01-13 12:59:32 +0100 | [diff] [blame] | 460 | reg = 0; |
| 461 | if (state == STATE_RADIO_IRQ_ON) { |
| 462 | rt2x00_set_field32(®, INT_MASK_CSR_RX_DONE, 1); |
| 463 | rt2x00_set_field32(®, INT_MASK_CSR_TBTT, 1); |
| 464 | rt2x00_set_field32(®, INT_MASK_CSR_PRE_TBTT, 1); |
| 465 | rt2x00_set_field32(®, INT_MASK_CSR_TX_FIFO_STATUS, 1); |
| 466 | rt2x00_set_field32(®, INT_MASK_CSR_AUTO_WAKEUP, 1); |
| 467 | } |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 468 | rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 469 | spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags); |
| 470 | |
| 471 | if (state == STATE_RADIO_IRQ_OFF) { |
| 472 | /* |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 473 | * Wait for possibly running tasklets to finish. |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 474 | */ |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 475 | tasklet_kill(&rt2x00dev->txstatus_tasklet); |
| 476 | tasklet_kill(&rt2x00dev->rxdone_tasklet); |
| 477 | tasklet_kill(&rt2x00dev->autowake_tasklet); |
| 478 | tasklet_kill(&rt2x00dev->tbtt_tasklet); |
| 479 | tasklet_kill(&rt2x00dev->pretbtt_tasklet); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 480 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 481 | } |
| 482 | |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 483 | static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev) |
| 484 | { |
| 485 | u32 reg; |
| 486 | |
| 487 | /* |
| 488 | * Reset DMA indexes |
| 489 | */ |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 490 | rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, ®); |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 491 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1); |
| 492 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1); |
| 493 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1); |
| 494 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1); |
| 495 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1); |
| 496 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1); |
| 497 | rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 498 | rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg); |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 499 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 500 | rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f); |
| 501 | rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00); |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 502 | |
Gertjan van Wingerde | 872834d | 2011-05-18 20:25:31 +0200 | [diff] [blame] | 503 | if (rt2x00_is_pcie(rt2x00dev) && |
| 504 | (rt2x00_rt(rt2x00dev, RT3572) || |
John Li | 2ed7188 | 2012-02-17 17:33:06 +0800 | [diff] [blame] | 505 | rt2x00_rt(rt2x00dev, RT5390) || |
| 506 | rt2x00_rt(rt2x00dev, RT5392))) { |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 507 | rt2x00pci_register_read(rt2x00dev, AUX_CTRL, ®); |
Gabor Juhos | adde588 | 2011-03-03 11:46:45 +0100 | [diff] [blame] | 508 | rt2x00_set_field32(®, AUX_CTRL_FORCE_PCIE_CLK, 1); |
| 509 | rt2x00_set_field32(®, AUX_CTRL_WAKE_PCIE_EN, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 510 | rt2x00pci_register_write(rt2x00dev, AUX_CTRL, reg); |
Gabor Juhos | adde588 | 2011-03-03 11:46:45 +0100 | [diff] [blame] | 511 | } |
RA-Shiang Tu | 60687ba | 2011-02-20 13:57:46 +0100 | [diff] [blame] | 512 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 513 | rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003); |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 514 | |
Stanislaw Gruszka | 2a48e8a | 2012-01-24 14:09:08 +0100 | [diff] [blame] | 515 | reg = 0; |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 516 | rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_CSR, 1); |
| 517 | rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_BBP, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 518 | rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 519 | |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 520 | rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); |
Gertjan van Wingerde | e3a896b | 2010-06-03 10:52:04 +0200 | [diff] [blame] | 521 | |
| 522 | return 0; |
| 523 | } |
| 524 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 525 | static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev) |
| 526 | { |
Jakub Kicinski | e8b461c | 2012-02-22 21:58:58 +0100 | [diff] [blame] | 527 | int retval; |
| 528 | |
Jakub Kicinski | 52b8243 | 2012-04-03 03:40:49 +0200 | [diff] [blame] | 529 | /* Wait for DMA, ignore error until we initialize queues. */ |
| 530 | rt2800_wait_wpdma_ready(rt2x00dev); |
| 531 | |
| 532 | if (unlikely(rt2800pci_init_queues(rt2x00dev))) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 533 | return -EIO; |
| 534 | |
Jakub Kicinski | e8b461c | 2012-02-22 21:58:58 +0100 | [diff] [blame] | 535 | retval = rt2800_enable_radio(rt2x00dev); |
| 536 | if (retval) |
| 537 | return retval; |
| 538 | |
| 539 | /* After resume MCU_BOOT_SIGNAL will trash these. */ |
| 540 | rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0); |
| 541 | rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0); |
| 542 | |
| 543 | rt2800_mcu_request(rt2x00dev, MCU_SLEEP, TOKEN_RADIO_OFF, 0xff, 0x02); |
| 544 | rt2800pci_mcu_status(rt2x00dev, TOKEN_RADIO_OFF); |
| 545 | |
| 546 | rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKEUP, 0, 0); |
| 547 | rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKEUP); |
| 548 | |
| 549 | return retval; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 550 | } |
| 551 | |
| 552 | static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev) |
| 553 | { |
RA-Jay Hung | 7f6e144 | 2011-01-10 11:27:43 +0100 | [diff] [blame] | 554 | if (rt2x00_is_soc(rt2x00dev)) { |
| 555 | rt2800_disable_radio(rt2x00dev); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 556 | rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0); |
| 557 | rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, 0); |
RA-Jay Hung | 7f6e144 | 2011-01-10 11:27:43 +0100 | [diff] [blame] | 558 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 559 | } |
| 560 | |
| 561 | static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev, |
| 562 | enum dev_state state) |
| 563 | { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 564 | if (state == STATE_AWAKE) { |
Jakub Kicinski | 09a3311 | 2012-02-22 21:58:57 +0100 | [diff] [blame] | 565 | rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKEUP, |
| 566 | 0, 0x02); |
| 567 | rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKEUP); |
RA-Jay Hung | 7f6e144 | 2011-01-10 11:27:43 +0100 | [diff] [blame] | 568 | } else if (state == STATE_SLEEP) { |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 569 | rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, |
| 570 | 0xffffffff); |
| 571 | rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, |
| 572 | 0xffffffff); |
Jakub Kicinski | 09a3311 | 2012-02-22 21:58:57 +0100 | [diff] [blame] | 573 | rt2800_mcu_request(rt2x00dev, MCU_SLEEP, TOKEN_SLEEP, |
| 574 | 0xff, 0x01); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 575 | } |
| 576 | |
| 577 | return 0; |
| 578 | } |
| 579 | |
| 580 | static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev, |
| 581 | enum dev_state state) |
| 582 | { |
| 583 | int retval = 0; |
| 584 | |
| 585 | switch (state) { |
| 586 | case STATE_RADIO_ON: |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 587 | retval = rt2800pci_enable_radio(rt2x00dev); |
| 588 | break; |
| 589 | case STATE_RADIO_OFF: |
| 590 | /* |
| 591 | * After the radio has been disabled, the device should |
| 592 | * be put to sleep for powersaving. |
| 593 | */ |
| 594 | rt2800pci_disable_radio(rt2x00dev); |
| 595 | rt2800pci_set_state(rt2x00dev, STATE_SLEEP); |
| 596 | break; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 597 | case STATE_RADIO_IRQ_ON: |
| 598 | case STATE_RADIO_IRQ_OFF: |
| 599 | rt2800pci_toggle_irq(rt2x00dev, state); |
| 600 | break; |
| 601 | case STATE_DEEP_SLEEP: |
| 602 | case STATE_SLEEP: |
| 603 | case STATE_STANDBY: |
| 604 | case STATE_AWAKE: |
| 605 | retval = rt2800pci_set_state(rt2x00dev, state); |
| 606 | break; |
| 607 | default: |
| 608 | retval = -ENOTSUPP; |
| 609 | break; |
| 610 | } |
| 611 | |
| 612 | if (unlikely(retval)) |
| 613 | ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", |
| 614 | state, retval); |
| 615 | |
| 616 | return retval; |
| 617 | } |
| 618 | |
| 619 | /* |
| 620 | * TX descriptor initialization |
| 621 | */ |
Ivo van Doorn | 0c5879b | 2010-08-06 20:47:20 +0200 | [diff] [blame] | 622 | static __le32 *rt2800pci_get_txwi(struct queue_entry *entry) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 623 | { |
Ivo van Doorn | 0c5879b | 2010-08-06 20:47:20 +0200 | [diff] [blame] | 624 | return (__le32 *) entry->skb->data; |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 625 | } |
| 626 | |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 627 | static void rt2800pci_write_tx_desc(struct queue_entry *entry, |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 628 | struct txentry_desc *txdesc) |
| 629 | { |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 630 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
| 631 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 632 | __le32 *txd = entry_priv->desc; |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 633 | u32 word; |
| 634 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 635 | /* |
| 636 | * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1 |
| 637 | * must contains a TXWI structure + 802.11 header + padding + 802.11 |
| 638 | * data. We choose to have SD_PTR0/SD_LEN0 only contains TXWI and |
| 639 | * SD_PTR1/SD_LEN1 contains 802.11 header + padding + 802.11 |
| 640 | * data. It means that LAST_SEC0 is always 0. |
| 641 | */ |
| 642 | |
| 643 | /* |
| 644 | * Initialize TX descriptor |
| 645 | */ |
Helmut Schaa | 3de3d96 | 2011-09-07 20:11:26 +0200 | [diff] [blame] | 646 | word = 0; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 647 | rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma); |
| 648 | rt2x00_desc_write(txd, 0, word); |
| 649 | |
Helmut Schaa | 3de3d96 | 2011-09-07 20:11:26 +0200 | [diff] [blame] | 650 | word = 0; |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 651 | rt2x00_set_field32(&word, TXD_W1_SD_LEN1, entry->skb->len); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 652 | rt2x00_set_field32(&word, TXD_W1_LAST_SEC1, |
| 653 | !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); |
| 654 | rt2x00_set_field32(&word, TXD_W1_BURST, |
| 655 | test_bit(ENTRY_TXD_BURST, &txdesc->flags)); |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 656 | rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 657 | rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0); |
| 658 | rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0); |
| 659 | rt2x00_desc_write(txd, 1, word); |
| 660 | |
Helmut Schaa | 3de3d96 | 2011-09-07 20:11:26 +0200 | [diff] [blame] | 661 | word = 0; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 662 | rt2x00_set_field32(&word, TXD_W2_SD_PTR1, |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 663 | skbdesc->skb_dma + TXWI_DESC_SIZE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 664 | rt2x00_desc_write(txd, 2, word); |
| 665 | |
Helmut Schaa | 3de3d96 | 2011-09-07 20:11:26 +0200 | [diff] [blame] | 666 | word = 0; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 667 | rt2x00_set_field32(&word, TXD_W3_WIV, |
| 668 | !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); |
| 669 | rt2x00_set_field32(&word, TXD_W3_QSEL, 2); |
| 670 | rt2x00_desc_write(txd, 3, word); |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame] | 671 | |
| 672 | /* |
| 673 | * Register descriptor details in skb frame descriptor. |
| 674 | */ |
| 675 | skbdesc->desc = txd; |
| 676 | skbdesc->desc_len = TXD_DESC_SIZE; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 677 | } |
| 678 | |
| 679 | /* |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 680 | * RX control handlers |
| 681 | */ |
| 682 | static void rt2800pci_fill_rxdone(struct queue_entry *entry, |
| 683 | struct rxdone_entry_desc *rxdesc) |
| 684 | { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 685 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 686 | __le32 *rxd = entry_priv->desc; |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 687 | u32 word; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 688 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 689 | rt2x00_desc_read(rxd, 3, &word); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 690 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 691 | if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 692 | rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; |
| 693 | |
Gertjan van Wingerde | 78b8f3b | 2010-05-08 23:40:20 +0200 | [diff] [blame] | 694 | /* |
| 695 | * Unfortunately we don't know the cipher type used during |
| 696 | * decryption. This prevents us from correct providing |
| 697 | * correct statistics through debugfs. |
| 698 | */ |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 699 | rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 700 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 701 | if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 702 | /* |
| 703 | * Hardware has stripped IV/EIV data from 802.11 frame during |
| 704 | * decryption. Unfortunately the descriptor doesn't contain |
| 705 | * any fields with the EIV/IV data either, so they can't |
| 706 | * be restored by rt2x00lib. |
| 707 | */ |
| 708 | rxdesc->flags |= RX_FLAG_IV_STRIPPED; |
| 709 | |
Gertjan van Wingerde | a45f369 | 2011-01-30 13:22:41 +0100 | [diff] [blame] | 710 | /* |
| 711 | * The hardware has already checked the Michael Mic and has |
| 712 | * stripped it from the frame. Signal this to mac80211. |
| 713 | */ |
| 714 | rxdesc->flags |= RX_FLAG_MMIC_STRIPPED; |
| 715 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 716 | if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) |
| 717 | rxdesc->flags |= RX_FLAG_DECRYPTED; |
| 718 | else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) |
| 719 | rxdesc->flags |= RX_FLAG_MMIC_ERROR; |
| 720 | } |
| 721 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 722 | if (rt2x00_get_field32(word, RXD_W3_MY_BSS)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 723 | rxdesc->dev_flags |= RXDONE_MY_BSS; |
| 724 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 725 | if (rt2x00_get_field32(word, RXD_W3_L2PAD)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 726 | rxdesc->dev_flags |= RXDONE_L2PAD; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 727 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 728 | /* |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 729 | * 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] | 730 | */ |
Ivo van Doorn | 7486192 | 2010-07-11 12:23:50 +0200 | [diff] [blame] | 731 | rt2800_process_rxwi(entry, rxdesc); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 732 | } |
| 733 | |
| 734 | /* |
| 735 | * Interrupt functions. |
| 736 | */ |
Gertjan van Wingerde | 4d66edc | 2010-03-30 23:50:26 +0200 | [diff] [blame] | 737 | static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev) |
| 738 | { |
| 739 | struct ieee80211_conf conf = { .flags = 0 }; |
| 740 | struct rt2x00lib_conf libconf = { .conf = &conf }; |
| 741 | |
| 742 | rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS); |
| 743 | } |
| 744 | |
Helmut Schaa | 2e7798b | 2011-03-28 13:30:09 +0200 | [diff] [blame] | 745 | static bool rt2800pci_txdone(struct rt2x00_dev *rt2x00dev) |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 746 | { |
| 747 | struct data_queue *queue; |
| 748 | struct queue_entry *entry; |
| 749 | u32 status; |
| 750 | u8 qid; |
Helmut Schaa | 2e7798b | 2011-03-28 13:30:09 +0200 | [diff] [blame] | 751 | int max_tx_done = 16; |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 752 | |
Johannes Stezenbach | c4d6324 | 2010-12-27 15:04:29 +0100 | [diff] [blame] | 753 | while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) { |
Helmut Schaa | 12eec2c | 2010-10-09 13:35:48 +0200 | [diff] [blame] | 754 | qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE); |
Helmut Schaa | 87443e8 | 2011-03-03 19:39:27 +0100 | [diff] [blame] | 755 | if (unlikely(qid >= QID_RX)) { |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 756 | /* |
| 757 | * Unknown queue, this shouldn't happen. Just drop |
| 758 | * this tx status. |
| 759 | */ |
| 760 | WARNING(rt2x00dev, "Got TX status report with " |
Johannes Stezenbach | 094a1d9 | 2010-12-13 12:34:00 +0100 | [diff] [blame] | 761 | "unexpected pid %u, dropping\n", qid); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 762 | break; |
| 763 | } |
| 764 | |
Helmut Schaa | 11f818e | 2011-03-03 19:38:55 +0100 | [diff] [blame] | 765 | queue = rt2x00queue_get_tx_queue(rt2x00dev, qid); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 766 | if (unlikely(queue == NULL)) { |
| 767 | /* |
| 768 | * The queue is NULL, this shouldn't happen. Stop |
| 769 | * processing here and drop the tx status |
| 770 | */ |
| 771 | WARNING(rt2x00dev, "Got TX status for an unavailable " |
Johannes Stezenbach | 094a1d9 | 2010-12-13 12:34:00 +0100 | [diff] [blame] | 772 | "queue %u, dropping\n", qid); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 773 | break; |
| 774 | } |
| 775 | |
Helmut Schaa | 87443e8 | 2011-03-03 19:39:27 +0100 | [diff] [blame] | 776 | if (unlikely(rt2x00queue_empty(queue))) { |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 777 | /* |
| 778 | * The queue is empty. Stop processing here |
| 779 | * and drop the tx status. |
| 780 | */ |
| 781 | WARNING(rt2x00dev, "Got TX status for an empty " |
Johannes Stezenbach | 094a1d9 | 2010-12-13 12:34:00 +0100 | [diff] [blame] | 782 | "queue %u, dropping\n", qid); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 783 | break; |
| 784 | } |
| 785 | |
| 786 | entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); |
Helmut Schaa | 31937c4 | 2011-09-07 20:10:02 +0200 | [diff] [blame] | 787 | rt2800_txdone_entry(entry, status, rt2800pci_get_txwi(entry)); |
Helmut Schaa | 2e7798b | 2011-03-28 13:30:09 +0200 | [diff] [blame] | 788 | |
| 789 | if (--max_tx_done == 0) |
| 790 | break; |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 791 | } |
Helmut Schaa | 2e7798b | 2011-03-28 13:30:09 +0200 | [diff] [blame] | 792 | |
| 793 | return !max_tx_done; |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 794 | } |
| 795 | |
Helmut Schaa | 7a5a681 | 2011-04-18 15:31:31 +0200 | [diff] [blame] | 796 | static inline void rt2800pci_enable_interrupt(struct rt2x00_dev *rt2x00dev, |
| 797 | struct rt2x00_field32 irq_field) |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 798 | { |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 799 | u32 reg; |
| 800 | |
| 801 | /* |
| 802 | * Enable a single interrupt. The interrupt mask register |
| 803 | * access needs locking. |
| 804 | */ |
Helmut Schaa | 0aa13b2 | 2011-03-03 19:45:16 +0100 | [diff] [blame] | 805 | spin_lock_irq(&rt2x00dev->irqmask_lock); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 806 | rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, ®); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 807 | rt2x00_set_field32(®, irq_field, 1); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 808 | rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg); |
Helmut Schaa | 0aa13b2 | 2011-03-03 19:45:16 +0100 | [diff] [blame] | 809 | spin_unlock_irq(&rt2x00dev->irqmask_lock); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 810 | } |
| 811 | |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 812 | static void rt2800pci_txstatus_tasklet(unsigned long data) |
| 813 | { |
Helmut Schaa | 2e7798b | 2011-03-28 13:30:09 +0200 | [diff] [blame] | 814 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; |
| 815 | if (rt2800pci_txdone(rt2x00dev)) |
| 816 | tasklet_schedule(&rt2x00dev->txstatus_tasklet); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 817 | |
| 818 | /* |
| 819 | * No need to enable the tx status interrupt here as we always |
| 820 | * leave it enabled to minimize the possibility of a tx status |
| 821 | * register overflow. See comment in interrupt handler. |
| 822 | */ |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 823 | } |
| 824 | |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 825 | static void rt2800pci_pretbtt_tasklet(unsigned long data) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 826 | { |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 827 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; |
| 828 | rt2x00lib_pretbtt(rt2x00dev); |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 829 | if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
| 830 | rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_PRE_TBTT); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 831 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 832 | |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 833 | static void rt2800pci_tbtt_tasklet(unsigned long data) |
| 834 | { |
| 835 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; |
Helmut Schaa | 290d608 | 2012-03-09 15:31:50 +0100 | [diff] [blame] | 836 | struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; |
| 837 | u32 reg; |
| 838 | |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 839 | rt2x00lib_beacondone(rt2x00dev); |
Helmut Schaa | 290d608 | 2012-03-09 15:31:50 +0100 | [diff] [blame] | 840 | |
| 841 | if (rt2x00dev->intf_ap_count) { |
| 842 | /* |
| 843 | * The rt2800pci hardware tbtt timer is off by 1us per tbtt |
| 844 | * causing beacon skew and as a result causing problems with |
| 845 | * some powersaving clients over time. Shorten the beacon |
| 846 | * interval every 64 beacons by 64us to mitigate this effect. |
| 847 | */ |
| 848 | if (drv_data->tbtt_tick == (BCN_TBTT_OFFSET - 2)) { |
| 849 | rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, ®); |
| 850 | rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL, |
| 851 | (rt2x00dev->beacon_int * 16) - 1); |
| 852 | rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg); |
| 853 | } else if (drv_data->tbtt_tick == (BCN_TBTT_OFFSET - 1)) { |
| 854 | rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, ®); |
| 855 | rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL, |
| 856 | (rt2x00dev->beacon_int * 16)); |
| 857 | rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg); |
| 858 | } |
| 859 | drv_data->tbtt_tick++; |
| 860 | drv_data->tbtt_tick %= BCN_TBTT_OFFSET; |
| 861 | } |
| 862 | |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 863 | if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
| 864 | rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_TBTT); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 865 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 866 | |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 867 | static void rt2800pci_rxdone_tasklet(unsigned long data) |
| 868 | { |
| 869 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; |
Helmut Schaa | 1663893 | 2011-03-28 13:29:44 +0200 | [diff] [blame] | 870 | if (rt2x00pci_rxdone(rt2x00dev)) |
| 871 | tasklet_schedule(&rt2x00dev->rxdone_tasklet); |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 872 | else if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
Helmut Schaa | 1663893 | 2011-03-28 13:29:44 +0200 | [diff] [blame] | 873 | rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_RX_DONE); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 874 | } |
Helmut Schaa | ad90319 | 2010-06-29 21:46:43 +0200 | [diff] [blame] | 875 | |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 876 | static void rt2800pci_autowake_tasklet(unsigned long data) |
| 877 | { |
| 878 | struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; |
| 879 | rt2800pci_wakeup(rt2x00dev); |
Helmut Schaa | abc1199 | 2011-08-06 13:13:48 +0200 | [diff] [blame] | 880 | if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
| 881 | rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_AUTO_WAKEUP); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 882 | } |
| 883 | |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 884 | static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev) |
| 885 | { |
| 886 | u32 status; |
| 887 | int i; |
| 888 | |
| 889 | /* |
| 890 | * The TX_FIFO_STATUS interrupt needs special care. We should |
| 891 | * read TX_STA_FIFO but we should do it immediately as otherwise |
| 892 | * the register can overflow and we would lose status reports. |
| 893 | * |
| 894 | * Hence, read the TX_STA_FIFO register and copy all tx status |
| 895 | * reports into a kernel FIFO which is handled in the txstatus |
| 896 | * tasklet. We use a tasklet to process the tx status reports |
| 897 | * because we can schedule the tasklet multiple times (when the |
| 898 | * interrupt fires again during tx status processing). |
| 899 | * |
| 900 | * Furthermore we don't disable the TX_FIFO_STATUS |
| 901 | * interrupt here but leave it enabled so that the TX_STA_FIFO |
Helmut Schaa | 3736fe5 | 2011-03-03 19:45:39 +0100 | [diff] [blame] | 902 | * can also be read while the tx status tasklet gets executed. |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 903 | * |
| 904 | * Since we have only one producer and one consumer we don't |
| 905 | * need to lock the kfifo. |
| 906 | */ |
Helmut Schaa | efd2f27 | 2010-11-04 20:37:22 +0100 | [diff] [blame] | 907 | for (i = 0; i < rt2x00dev->ops->tx->entry_num; i++) { |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 908 | rt2x00pci_register_read(rt2x00dev, TX_STA_FIFO, &status); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 909 | |
| 910 | if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID)) |
| 911 | break; |
| 912 | |
Johannes Stezenbach | c4d6324 | 2010-12-27 15:04:29 +0100 | [diff] [blame] | 913 | if (!kfifo_put(&rt2x00dev->txstatus_fifo, &status)) { |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 914 | WARNING(rt2x00dev, "TX status FIFO overrun," |
| 915 | "drop tx status report.\n"); |
| 916 | break; |
| 917 | } |
| 918 | } |
| 919 | |
| 920 | /* Schedule the tasklet for processing the tx status. */ |
| 921 | tasklet_schedule(&rt2x00dev->txstatus_tasklet); |
| 922 | } |
| 923 | |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 924 | static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance) |
| 925 | { |
| 926 | struct rt2x00_dev *rt2x00dev = dev_instance; |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 927 | u32 reg, mask; |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 928 | |
| 929 | /* Read status and ACK all interrupts */ |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 930 | rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®); |
| 931 | rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg); |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 932 | |
| 933 | if (!reg) |
| 934 | return IRQ_NONE; |
| 935 | |
| 936 | if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
| 937 | return IRQ_HANDLED; |
| 938 | |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 939 | /* |
| 940 | * Since INT_MASK_CSR and INT_SOURCE_CSR use the same bits |
| 941 | * for interrupts and interrupt masks we can just use the value of |
| 942 | * INT_SOURCE_CSR to create the interrupt mask. |
| 943 | */ |
| 944 | mask = ~reg; |
| 945 | |
| 946 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) { |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 947 | rt2800pci_txstatus_interrupt(rt2x00dev); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 948 | /* |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 949 | * Never disable the TX_FIFO_STATUS interrupt. |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 950 | */ |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 951 | rt2x00_set_field32(&mask, INT_MASK_CSR_TX_FIFO_STATUS, 1); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 952 | } |
| 953 | |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 954 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT)) |
| 955 | tasklet_hi_schedule(&rt2x00dev->pretbtt_tasklet); |
| 956 | |
| 957 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT)) |
| 958 | tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet); |
| 959 | |
| 960 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE)) |
| 961 | tasklet_schedule(&rt2x00dev->rxdone_tasklet); |
| 962 | |
| 963 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP)) |
| 964 | tasklet_schedule(&rt2x00dev->autowake_tasklet); |
| 965 | |
| 966 | /* |
| 967 | * Disable all interrupts for which a tasklet was scheduled right now, |
| 968 | * the tasklet will reenable the appropriate interrupts. |
| 969 | */ |
Helmut Schaa | 0aa13b2 | 2011-03-03 19:45:16 +0100 | [diff] [blame] | 970 | spin_lock(&rt2x00dev->irqmask_lock); |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 971 | rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, ®); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 972 | reg &= mask; |
Helmut Schaa | 9a81999 | 2011-04-18 15:34:01 +0200 | [diff] [blame] | 973 | rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg); |
Helmut Schaa | 0aa13b2 | 2011-03-03 19:45:16 +0100 | [diff] [blame] | 974 | spin_unlock(&rt2x00dev->irqmask_lock); |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 975 | |
| 976 | return IRQ_HANDLED; |
Helmut Schaa | 78e256c | 2010-07-11 12:26:48 +0200 | [diff] [blame] | 977 | } |
| 978 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 979 | /* |
| 980 | * Device probe functions. |
| 981 | */ |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 982 | static int rt2800pci_read_eeprom(struct rt2x00_dev *rt2x00dev) |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 983 | { |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 984 | int retval; |
| 985 | |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 986 | if (rt2x00_is_soc(rt2x00dev)) |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 987 | retval = rt2800pci_read_eeprom_soc(rt2x00dev); |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 988 | else if (rt2800pci_efuse_detect(rt2x00dev)) |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 989 | retval = rt2800pci_read_eeprom_efuse(rt2x00dev); |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 990 | else |
Gabor Juhos | a02308e | 2012-12-29 14:51:51 +0100 | [diff] [blame] | 991 | retval = rt2800pci_read_eeprom_pci(rt2x00dev); |
| 992 | |
| 993 | return retval; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 994 | } |
| 995 | |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 996 | static const struct ieee80211_ops rt2800pci_mac80211_ops = { |
| 997 | .tx = rt2x00mac_tx, |
| 998 | .start = rt2x00mac_start, |
| 999 | .stop = rt2x00mac_stop, |
| 1000 | .add_interface = rt2x00mac_add_interface, |
| 1001 | .remove_interface = rt2x00mac_remove_interface, |
| 1002 | .config = rt2x00mac_config, |
| 1003 | .configure_filter = rt2x00mac_configure_filter, |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 1004 | .set_key = rt2x00mac_set_key, |
| 1005 | .sw_scan_start = rt2x00mac_sw_scan_start, |
| 1006 | .sw_scan_complete = rt2x00mac_sw_scan_complete, |
| 1007 | .get_stats = rt2x00mac_get_stats, |
| 1008 | .get_tkip_seq = rt2800_get_tkip_seq, |
| 1009 | .set_rts_threshold = rt2800_set_rts_threshold, |
Helmut Schaa | a2b1328 | 2011-09-08 14:38:01 +0200 | [diff] [blame] | 1010 | .sta_add = rt2x00mac_sta_add, |
| 1011 | .sta_remove = rt2x00mac_sta_remove, |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 1012 | .bss_info_changed = rt2x00mac_bss_info_changed, |
| 1013 | .conf_tx = rt2800_conf_tx, |
| 1014 | .get_tsf = rt2800_get_tsf, |
| 1015 | .rfkill_poll = rt2x00mac_rfkill_poll, |
| 1016 | .ampdu_action = rt2800_ampdu_action, |
Ivo van Doorn | f44df18 | 2010-11-04 20:40:11 +0100 | [diff] [blame] | 1017 | .flush = rt2x00mac_flush, |
Helmut Schaa | 977206d | 2010-12-13 12:31:58 +0100 | [diff] [blame] | 1018 | .get_survey = rt2800_get_survey, |
Ivo van Doorn | e7dee44 | 2011-04-18 15:34:41 +0200 | [diff] [blame] | 1019 | .get_ringparam = rt2x00mac_get_ringparam, |
Gertjan van Wingerde | 5f0dd29 | 2011-07-06 23:00:21 +0200 | [diff] [blame] | 1020 | .tx_frames_pending = rt2x00mac_tx_frames_pending, |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 1021 | }; |
| 1022 | |
Ivo van Doorn | e796643 | 2010-07-11 12:31:23 +0200 | [diff] [blame] | 1023 | static const struct rt2800_ops rt2800pci_rt2800_ops = { |
| 1024 | .register_read = rt2x00pci_register_read, |
| 1025 | .register_read_lock = rt2x00pci_register_read, /* same for PCI */ |
| 1026 | .register_write = rt2x00pci_register_write, |
| 1027 | .register_write_lock = rt2x00pci_register_write, /* same for PCI */ |
| 1028 | .register_multiread = rt2x00pci_register_multiread, |
| 1029 | .register_multiwrite = rt2x00pci_register_multiwrite, |
| 1030 | .regbusy_read = rt2x00pci_regbusy_read, |
Gertjan van Wingerde | ad417a5 | 2012-09-03 03:25:51 +0200 | [diff] [blame] | 1031 | .read_eeprom = rt2800pci_read_eeprom, |
| 1032 | .hwcrypt_disabled = rt2800pci_hwcrypt_disabled, |
Ivo van Doorn | e796643 | 2010-07-11 12:31:23 +0200 | [diff] [blame] | 1033 | .drv_write_firmware = rt2800pci_write_firmware, |
| 1034 | .drv_init_registers = rt2800pci_init_registers, |
Ivo van Doorn | 0c5879b | 2010-08-06 20:47:20 +0200 | [diff] [blame] | 1035 | .drv_get_txwi = rt2800pci_get_txwi, |
Ivo van Doorn | e796643 | 2010-07-11 12:31:23 +0200 | [diff] [blame] | 1036 | }; |
| 1037 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1038 | static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = { |
| 1039 | .irq_handler = rt2800pci_interrupt, |
Helmut Schaa | a9d61e9 | 2011-01-30 13:18:38 +0100 | [diff] [blame] | 1040 | .txstatus_tasklet = rt2800pci_txstatus_tasklet, |
| 1041 | .pretbtt_tasklet = rt2800pci_pretbtt_tasklet, |
| 1042 | .tbtt_tasklet = rt2800pci_tbtt_tasklet, |
| 1043 | .rxdone_tasklet = rt2800pci_rxdone_tasklet, |
| 1044 | .autowake_tasklet = rt2800pci_autowake_tasklet, |
Gertjan van Wingerde | ad417a5 | 2012-09-03 03:25:51 +0200 | [diff] [blame] | 1045 | .probe_hw = rt2800_probe_hw, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1046 | .get_firmware_name = rt2800pci_get_firmware_name, |
Ivo van Doorn | f31c9a8 | 2010-07-11 12:30:37 +0200 | [diff] [blame] | 1047 | .check_firmware = rt2800_check_firmware, |
| 1048 | .load_firmware = rt2800_load_firmware, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1049 | .initialize = rt2x00pci_initialize, |
| 1050 | .uninitialize = rt2x00pci_uninitialize, |
| 1051 | .get_entry_state = rt2800pci_get_entry_state, |
| 1052 | .clear_entry = rt2800pci_clear_entry, |
| 1053 | .set_device_state = rt2800pci_set_device_state, |
Bartlomiej Zolnierkiewicz | f445061 | 2009-11-04 18:36:40 +0100 | [diff] [blame] | 1054 | .rfkill_poll = rt2800_rfkill_poll, |
| 1055 | .link_stats = rt2800_link_stats, |
| 1056 | .reset_tuner = rt2800_reset_tuner, |
| 1057 | .link_tuner = rt2800_link_tuner, |
Helmut Schaa | 9e33a35 | 2011-03-28 13:33:40 +0200 | [diff] [blame] | 1058 | .gain_calibration = rt2800_gain_calibration, |
John Li | 2e9c43d | 2012-02-16 21:40:57 +0800 | [diff] [blame] | 1059 | .vco_calibration = rt2800_vco_calibration, |
Ivo van Doorn | dbba306 | 2010-12-13 12:34:54 +0100 | [diff] [blame] | 1060 | .start_queue = rt2800pci_start_queue, |
| 1061 | .kick_queue = rt2800pci_kick_queue, |
| 1062 | .stop_queue = rt2800pci_stop_queue, |
Ivo van Doorn | 152a599 | 2011-04-18 15:31:02 +0200 | [diff] [blame] | 1063 | .flush_queue = rt2x00pci_flush_queue, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1064 | .write_tx_desc = rt2800pci_write_tx_desc, |
Ivo van Doorn | 0c5879b | 2010-08-06 20:47:20 +0200 | [diff] [blame] | 1065 | .write_tx_data = rt2800_write_tx_data, |
Gertjan van Wingerde | f0194b2 | 2010-06-03 10:51:53 +0200 | [diff] [blame] | 1066 | .write_beacon = rt2800_write_beacon, |
Helmut Schaa | 69cf36a | 2011-01-30 13:16:03 +0100 | [diff] [blame] | 1067 | .clear_beacon = rt2800_clear_beacon, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1068 | .fill_rxdone = rt2800pci_fill_rxdone, |
Bartlomiej Zolnierkiewicz | f445061 | 2009-11-04 18:36:40 +0100 | [diff] [blame] | 1069 | .config_shared_key = rt2800_config_shared_key, |
| 1070 | .config_pairwise_key = rt2800_config_pairwise_key, |
| 1071 | .config_filter = rt2800_config_filter, |
| 1072 | .config_intf = rt2800_config_intf, |
| 1073 | .config_erp = rt2800_config_erp, |
| 1074 | .config_ant = rt2800_config_ant, |
| 1075 | .config = rt2800_config, |
Helmut Schaa | a2b1328 | 2011-09-08 14:38:01 +0200 | [diff] [blame] | 1076 | .sta_add = rt2800_sta_add, |
| 1077 | .sta_remove = rt2800_sta_remove, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1078 | }; |
| 1079 | |
| 1080 | static const struct data_queue_desc rt2800pci_queue_rx = { |
Helmut Schaa | efd2f27 | 2010-11-04 20:37:22 +0100 | [diff] [blame] | 1081 | .entry_num = 128, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1082 | .data_size = AGGREGATION_SIZE, |
| 1083 | .desc_size = RXD_DESC_SIZE, |
| 1084 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1085 | }; |
| 1086 | |
| 1087 | static const struct data_queue_desc rt2800pci_queue_tx = { |
Helmut Schaa | efd2f27 | 2010-11-04 20:37:22 +0100 | [diff] [blame] | 1088 | .entry_num = 64, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1089 | .data_size = AGGREGATION_SIZE, |
| 1090 | .desc_size = TXD_DESC_SIZE, |
| 1091 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1092 | }; |
| 1093 | |
| 1094 | static const struct data_queue_desc rt2800pci_queue_bcn = { |
Helmut Schaa | efd2f27 | 2010-11-04 20:37:22 +0100 | [diff] [blame] | 1095 | .entry_num = 8, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1096 | .data_size = 0, /* No DMA required for beacons */ |
| 1097 | .desc_size = TXWI_DESC_SIZE, |
| 1098 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1099 | }; |
| 1100 | |
| 1101 | static const struct rt2x00_ops rt2800pci_ops = { |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1102 | .name = KBUILD_MODNAME, |
Gertjan van Wingerde | 3a1c012 | 2012-02-06 23:45:07 +0100 | [diff] [blame] | 1103 | .drv_data_size = sizeof(struct rt2800_drv_data), |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1104 | .max_ap_intf = 8, |
| 1105 | .eeprom_size = EEPROM_SIZE, |
| 1106 | .rf_size = RF_SIZE, |
| 1107 | .tx_queues = NUM_TX_QUEUES, |
Gertjan van Wingerde | e6218cc | 2009-11-23 22:44:52 +0100 | [diff] [blame] | 1108 | .extra_tx_headroom = TXWI_DESC_SIZE, |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1109 | .rx = &rt2800pci_queue_rx, |
| 1110 | .tx = &rt2800pci_queue_tx, |
| 1111 | .bcn = &rt2800pci_queue_bcn, |
| 1112 | .lib = &rt2800pci_rt2x00_ops, |
Ivo van Doorn | e796643 | 2010-07-11 12:31:23 +0200 | [diff] [blame] | 1113 | .drv = &rt2800pci_rt2800_ops, |
Helmut Schaa | e783619 | 2010-07-11 12:28:54 +0200 | [diff] [blame] | 1114 | .hw = &rt2800pci_mac80211_ops, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1115 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1116 | .debugfs = &rt2800_rt2x00debug, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1117 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
| 1118 | }; |
| 1119 | |
| 1120 | /* |
| 1121 | * RT2800pci module information. |
| 1122 | */ |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1123 | #ifdef CONFIG_PCI |
Alexey Dobriyan | a3aa188 | 2010-01-07 11:58:11 +0000 | [diff] [blame] | 1124 | static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = { |
Gertjan van Wingerde | e01ae27 | 2011-04-18 15:32:13 +0200 | [diff] [blame] | 1125 | { PCI_DEVICE(0x1814, 0x0601) }, |
| 1126 | { PCI_DEVICE(0x1814, 0x0681) }, |
| 1127 | { PCI_DEVICE(0x1814, 0x0701) }, |
| 1128 | { PCI_DEVICE(0x1814, 0x0781) }, |
| 1129 | { PCI_DEVICE(0x1814, 0x3090) }, |
| 1130 | { PCI_DEVICE(0x1814, 0x3091) }, |
| 1131 | { PCI_DEVICE(0x1814, 0x3092) }, |
| 1132 | { PCI_DEVICE(0x1432, 0x7708) }, |
| 1133 | { PCI_DEVICE(0x1432, 0x7727) }, |
| 1134 | { PCI_DEVICE(0x1432, 0x7728) }, |
| 1135 | { PCI_DEVICE(0x1432, 0x7738) }, |
| 1136 | { PCI_DEVICE(0x1432, 0x7748) }, |
| 1137 | { PCI_DEVICE(0x1432, 0x7758) }, |
| 1138 | { PCI_DEVICE(0x1432, 0x7768) }, |
| 1139 | { PCI_DEVICE(0x1462, 0x891a) }, |
| 1140 | { PCI_DEVICE(0x1a3b, 0x1059) }, |
Woody Hung | a89534e | 2012-06-13 15:01:16 +0800 | [diff] [blame] | 1141 | #ifdef CONFIG_RT2800PCI_RT3290 |
| 1142 | { PCI_DEVICE(0x1814, 0x3290) }, |
| 1143 | #endif |
Gertjan van Wingerde | f93bc9b | 2010-11-13 19:09:50 +0100 | [diff] [blame] | 1144 | #ifdef CONFIG_RT2800PCI_RT33XX |
Gertjan van Wingerde | e01ae27 | 2011-04-18 15:32:13 +0200 | [diff] [blame] | 1145 | { PCI_DEVICE(0x1814, 0x3390) }, |
Gertjan van Wingerde | f93bc9b | 2010-11-13 19:09:50 +0100 | [diff] [blame] | 1146 | #endif |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1147 | #ifdef CONFIG_RT2800PCI_RT35XX |
Gertjan van Wingerde | e01ae27 | 2011-04-18 15:32:13 +0200 | [diff] [blame] | 1148 | { PCI_DEVICE(0x1432, 0x7711) }, |
| 1149 | { PCI_DEVICE(0x1432, 0x7722) }, |
| 1150 | { PCI_DEVICE(0x1814, 0x3060) }, |
| 1151 | { PCI_DEVICE(0x1814, 0x3062) }, |
| 1152 | { PCI_DEVICE(0x1814, 0x3562) }, |
| 1153 | { PCI_DEVICE(0x1814, 0x3592) }, |
| 1154 | { PCI_DEVICE(0x1814, 0x3593) }, |
Xose Vazquez Perez | c480601 | 2013-02-01 14:28:49 +0100 | [diff] [blame] | 1155 | { PCI_DEVICE(0x1814, 0x359f) }, |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1156 | #endif |
RA-Shiang Tu | 60687ba | 2011-02-20 13:57:46 +0100 | [diff] [blame] | 1157 | #ifdef CONFIG_RT2800PCI_RT53XX |
villacis@palosanto.com | ccf91bd | 2012-05-16 21:07:12 +0200 | [diff] [blame] | 1158 | { PCI_DEVICE(0x1814, 0x5360) }, |
Xose Vazquez Perez | f57d7b6 | 2012-04-14 23:33:21 +0200 | [diff] [blame] | 1159 | { PCI_DEVICE(0x1814, 0x5362) }, |
Gertjan van Wingerde | e01ae27 | 2011-04-18 15:32:13 +0200 | [diff] [blame] | 1160 | { PCI_DEVICE(0x1814, 0x5390) }, |
Xose Vazquez Perez | f57d7b6 | 2012-04-14 23:33:21 +0200 | [diff] [blame] | 1161 | { PCI_DEVICE(0x1814, 0x5392) }, |
zero.lin | 5126d97 | 2011-08-31 20:43:52 +0200 | [diff] [blame] | 1162 | { PCI_DEVICE(0x1814, 0x539a) }, |
Zero.Lin | 2aed691 | 2012-05-10 10:06:31 +0800 | [diff] [blame] | 1163 | { PCI_DEVICE(0x1814, 0x539b) }, |
Gertjan van Wingerde | 71e0b38 | 2011-07-06 22:58:55 +0200 | [diff] [blame] | 1164 | { PCI_DEVICE(0x1814, 0x539f) }, |
RA-Shiang Tu | 60687ba | 2011-02-20 13:57:46 +0100 | [diff] [blame] | 1165 | #endif |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1166 | { 0, } |
| 1167 | }; |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1168 | #endif /* CONFIG_PCI */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1169 | |
| 1170 | MODULE_AUTHOR(DRV_PROJECT); |
| 1171 | MODULE_VERSION(DRV_VERSION); |
| 1172 | MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver."); |
| 1173 | MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards"); |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1174 | #ifdef CONFIG_PCI |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1175 | MODULE_FIRMWARE(FIRMWARE_RT2860); |
| 1176 | MODULE_DEVICE_TABLE(pci, rt2800pci_device_table); |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1177 | #endif /* CONFIG_PCI */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1178 | MODULE_LICENSE("GPL"); |
| 1179 | |
John Crispin | 5818a46 | 2013-03-13 13:20:15 +0100 | [diff] [blame] | 1180 | #if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X) |
Gertjan van Wingerde | 714fa66 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1181 | static int rt2800soc_probe(struct platform_device *pdev) |
| 1182 | { |
Helmut Schaa | 6e93d71 | 2010-03-02 16:34:49 +0100 | [diff] [blame] | 1183 | return rt2x00soc_probe(pdev, &rt2800pci_ops); |
Gertjan van Wingerde | 714fa66 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1184 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1185 | |
| 1186 | static struct platform_driver rt2800soc_driver = { |
| 1187 | .driver = { |
| 1188 | .name = "rt2800_wmac", |
| 1189 | .owner = THIS_MODULE, |
| 1190 | .mod_name = KBUILD_MODNAME, |
| 1191 | }, |
Gertjan van Wingerde | 714fa66 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1192 | .probe = rt2800soc_probe, |
Bill Pemberton | 6920235 | 2012-12-03 09:56:39 -0500 | [diff] [blame] | 1193 | .remove = rt2x00soc_remove, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1194 | .suspend = rt2x00soc_suspend, |
| 1195 | .resume = rt2x00soc_resume, |
| 1196 | }; |
John Crispin | 5818a46 | 2013-03-13 13:20:15 +0100 | [diff] [blame] | 1197 | #endif /* CONFIG_SOC_RT288X || CONFIG_SOC_RT305X */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1198 | |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1199 | #ifdef CONFIG_PCI |
Gertjan van Wingerde | e01ae27 | 2011-04-18 15:32:13 +0200 | [diff] [blame] | 1200 | static int rt2800pci_probe(struct pci_dev *pci_dev, |
| 1201 | const struct pci_device_id *id) |
| 1202 | { |
| 1203 | return rt2x00pci_probe(pci_dev, &rt2800pci_ops); |
| 1204 | } |
| 1205 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1206 | static struct pci_driver rt2800pci_driver = { |
| 1207 | .name = KBUILD_MODNAME, |
| 1208 | .id_table = rt2800pci_device_table, |
Gertjan van Wingerde | e01ae27 | 2011-04-18 15:32:13 +0200 | [diff] [blame] | 1209 | .probe = rt2800pci_probe, |
Bill Pemberton | 6920235 | 2012-12-03 09:56:39 -0500 | [diff] [blame] | 1210 | .remove = rt2x00pci_remove, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1211 | .suspend = rt2x00pci_suspend, |
| 1212 | .resume = rt2x00pci_resume, |
| 1213 | }; |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1214 | #endif /* CONFIG_PCI */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1215 | |
| 1216 | static int __init rt2800pci_init(void) |
| 1217 | { |
| 1218 | int ret = 0; |
| 1219 | |
John Crispin | 5818a46 | 2013-03-13 13:20:15 +0100 | [diff] [blame] | 1220 | #if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1221 | ret = platform_driver_register(&rt2800soc_driver); |
| 1222 | if (ret) |
| 1223 | return ret; |
| 1224 | #endif |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1225 | #ifdef CONFIG_PCI |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1226 | ret = pci_register_driver(&rt2800pci_driver); |
| 1227 | if (ret) { |
John Crispin | 5818a46 | 2013-03-13 13:20:15 +0100 | [diff] [blame] | 1228 | #if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1229 | platform_driver_unregister(&rt2800soc_driver); |
| 1230 | #endif |
| 1231 | return ret; |
| 1232 | } |
| 1233 | #endif |
| 1234 | |
| 1235 | return ret; |
| 1236 | } |
| 1237 | |
| 1238 | static void __exit rt2800pci_exit(void) |
| 1239 | { |
Gertjan van Wingerde | 72c7296 | 2010-11-13 19:10:54 +0100 | [diff] [blame] | 1240 | #ifdef CONFIG_PCI |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1241 | pci_unregister_driver(&rt2800pci_driver); |
| 1242 | #endif |
John Crispin | 5818a46 | 2013-03-13 13:20:15 +0100 | [diff] [blame] | 1243 | #if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1244 | platform_driver_unregister(&rt2800soc_driver); |
| 1245 | #endif |
| 1246 | } |
| 1247 | |
| 1248 | module_init(rt2800pci_init); |
| 1249 | module_exit(rt2800pci_exit); |