Gabor Juhos | fe7ef7c | 2013-10-17 09:42:34 +0200 | [diff] [blame] | 1 | /* Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com> |
| 2 | * Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com> |
| 3 | * Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org> |
| 4 | * Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com> |
| 5 | * Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de> |
| 6 | * Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com> |
| 7 | * Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com> |
| 8 | * Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@gmail.com> |
| 9 | * <http://rt2x00.serialmonkey.com> |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License as published by |
| 13 | * the Free Software Foundation; either version 2 of the License, or |
| 14 | * (at your option) any later version. |
| 15 | * |
| 16 | * This program is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | * GNU General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License |
| 22 | * along with this program; if not, write to the |
| 23 | * Free Software Foundation, Inc., |
| 24 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 25 | */ |
| 26 | |
| 27 | /* Module: rt2800soc |
| 28 | * Abstract: rt2800 WiSoC specific routines. |
| 29 | */ |
| 30 | |
| 31 | #include <linux/etherdevice.h> |
| 32 | #include <linux/init.h> |
| 33 | #include <linux/kernel.h> |
| 34 | #include <linux/module.h> |
| 35 | #include <linux/platform_device.h> |
| 36 | |
| 37 | #include "rt2x00.h" |
| 38 | #include "rt2x00mmio.h" |
| 39 | #include "rt2x00soc.h" |
| 40 | #include "rt2800.h" |
| 41 | #include "rt2800lib.h" |
| 42 | #include "rt2800mmio.h" |
| 43 | |
| 44 | /* Allow hardware encryption to be disabled. */ |
| 45 | static bool modparam_nohwcrypt; |
| 46 | module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); |
| 47 | MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); |
| 48 | |
| 49 | static bool rt2800soc_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev) |
| 50 | { |
| 51 | return modparam_nohwcrypt; |
| 52 | } |
| 53 | |
| 54 | static void rt2800soc_disable_radio(struct rt2x00_dev *rt2x00dev) |
| 55 | { |
| 56 | rt2800_disable_radio(rt2x00dev); |
| 57 | rt2x00mmio_register_write(rt2x00dev, PWR_PIN_CFG, 0); |
| 58 | rt2x00mmio_register_write(rt2x00dev, TX_PIN_CFG, 0); |
| 59 | } |
| 60 | |
| 61 | static int rt2800soc_set_device_state(struct rt2x00_dev *rt2x00dev, |
| 62 | enum dev_state state) |
| 63 | { |
| 64 | int retval = 0; |
| 65 | |
| 66 | switch (state) { |
| 67 | case STATE_RADIO_ON: |
| 68 | retval = rt2800mmio_enable_radio(rt2x00dev); |
| 69 | break; |
| 70 | |
| 71 | case STATE_RADIO_OFF: |
| 72 | rt2800soc_disable_radio(rt2x00dev); |
| 73 | break; |
| 74 | |
| 75 | case STATE_RADIO_IRQ_ON: |
| 76 | case STATE_RADIO_IRQ_OFF: |
| 77 | rt2800mmio_toggle_irq(rt2x00dev, state); |
| 78 | break; |
| 79 | |
| 80 | case STATE_DEEP_SLEEP: |
| 81 | case STATE_SLEEP: |
| 82 | case STATE_STANDBY: |
| 83 | case STATE_AWAKE: |
| 84 | /* These states are not supported, but don't report an error */ |
| 85 | retval = 0; |
| 86 | break; |
| 87 | |
| 88 | default: |
| 89 | retval = -ENOTSUPP; |
| 90 | break; |
| 91 | } |
| 92 | |
| 93 | if (unlikely(retval)) |
| 94 | rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n", |
| 95 | state, retval); |
| 96 | |
| 97 | return retval; |
| 98 | } |
| 99 | |
| 100 | static int rt2800soc_read_eeprom(struct rt2x00_dev *rt2x00dev) |
| 101 | { |
| 102 | void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE); |
| 103 | |
| 104 | if (!base_addr) |
| 105 | return -ENOMEM; |
| 106 | |
| 107 | memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE); |
| 108 | |
| 109 | iounmap(base_addr); |
| 110 | return 0; |
| 111 | } |
| 112 | |
| 113 | /* Firmware functions */ |
| 114 | static char *rt2800soc_get_firmware_name(struct rt2x00_dev *rt2x00dev) |
| 115 | { |
| 116 | WARN_ON_ONCE(1); |
| 117 | return NULL; |
| 118 | } |
| 119 | |
| 120 | static int rt2800soc_load_firmware(struct rt2x00_dev *rt2x00dev, |
| 121 | const u8 *data, const size_t len) |
| 122 | { |
| 123 | WARN_ON_ONCE(1); |
| 124 | return 0; |
| 125 | } |
| 126 | |
| 127 | static int rt2800soc_check_firmware(struct rt2x00_dev *rt2x00dev, |
| 128 | const u8 *data, const size_t len) |
| 129 | { |
| 130 | WARN_ON_ONCE(1); |
| 131 | return 0; |
| 132 | } |
| 133 | |
| 134 | static int rt2800soc_write_firmware(struct rt2x00_dev *rt2x00dev, |
| 135 | const u8 *data, const size_t len) |
| 136 | { |
| 137 | WARN_ON_ONCE(1); |
| 138 | return 0; |
| 139 | } |
| 140 | |
| 141 | static const struct ieee80211_ops rt2800soc_mac80211_ops = { |
| 142 | .tx = rt2x00mac_tx, |
| 143 | .start = rt2x00mac_start, |
| 144 | .stop = rt2x00mac_stop, |
| 145 | .add_interface = rt2x00mac_add_interface, |
| 146 | .remove_interface = rt2x00mac_remove_interface, |
| 147 | .config = rt2x00mac_config, |
| 148 | .configure_filter = rt2x00mac_configure_filter, |
| 149 | .set_key = rt2x00mac_set_key, |
| 150 | .sw_scan_start = rt2x00mac_sw_scan_start, |
| 151 | .sw_scan_complete = rt2x00mac_sw_scan_complete, |
| 152 | .get_stats = rt2x00mac_get_stats, |
| 153 | .get_tkip_seq = rt2800_get_tkip_seq, |
| 154 | .set_rts_threshold = rt2800_set_rts_threshold, |
| 155 | .sta_add = rt2x00mac_sta_add, |
| 156 | .sta_remove = rt2x00mac_sta_remove, |
| 157 | .bss_info_changed = rt2x00mac_bss_info_changed, |
| 158 | .conf_tx = rt2800_conf_tx, |
| 159 | .get_tsf = rt2800_get_tsf, |
| 160 | .rfkill_poll = rt2x00mac_rfkill_poll, |
| 161 | .ampdu_action = rt2800_ampdu_action, |
| 162 | .flush = rt2x00mac_flush, |
| 163 | .get_survey = rt2800_get_survey, |
| 164 | .get_ringparam = rt2x00mac_get_ringparam, |
| 165 | .tx_frames_pending = rt2x00mac_tx_frames_pending, |
| 166 | }; |
| 167 | |
| 168 | static const struct rt2800_ops rt2800soc_rt2800_ops = { |
| 169 | .register_read = rt2x00mmio_register_read, |
| 170 | .register_read_lock = rt2x00mmio_register_read, /* same for SoCs */ |
| 171 | .register_write = rt2x00mmio_register_write, |
| 172 | .register_write_lock = rt2x00mmio_register_write, /* same for SoCs */ |
| 173 | .register_multiread = rt2x00mmio_register_multiread, |
| 174 | .register_multiwrite = rt2x00mmio_register_multiwrite, |
| 175 | .regbusy_read = rt2x00mmio_regbusy_read, |
| 176 | .read_eeprom = rt2800soc_read_eeprom, |
| 177 | .hwcrypt_disabled = rt2800soc_hwcrypt_disabled, |
| 178 | .drv_write_firmware = rt2800soc_write_firmware, |
| 179 | .drv_init_registers = rt2800mmio_init_registers, |
| 180 | .drv_get_txwi = rt2800mmio_get_txwi, |
| 181 | }; |
| 182 | |
| 183 | static const struct rt2x00lib_ops rt2800soc_rt2x00_ops = { |
| 184 | .irq_handler = rt2800mmio_interrupt, |
| 185 | .txstatus_tasklet = rt2800mmio_txstatus_tasklet, |
| 186 | .pretbtt_tasklet = rt2800mmio_pretbtt_tasklet, |
| 187 | .tbtt_tasklet = rt2800mmio_tbtt_tasklet, |
| 188 | .rxdone_tasklet = rt2800mmio_rxdone_tasklet, |
| 189 | .autowake_tasklet = rt2800mmio_autowake_tasklet, |
| 190 | .probe_hw = rt2800_probe_hw, |
| 191 | .get_firmware_name = rt2800soc_get_firmware_name, |
| 192 | .check_firmware = rt2800soc_check_firmware, |
| 193 | .load_firmware = rt2800soc_load_firmware, |
| 194 | .initialize = rt2x00mmio_initialize, |
| 195 | .uninitialize = rt2x00mmio_uninitialize, |
| 196 | .get_entry_state = rt2800mmio_get_entry_state, |
| 197 | .clear_entry = rt2800mmio_clear_entry, |
| 198 | .set_device_state = rt2800soc_set_device_state, |
| 199 | .rfkill_poll = rt2800_rfkill_poll, |
| 200 | .link_stats = rt2800_link_stats, |
| 201 | .reset_tuner = rt2800_reset_tuner, |
| 202 | .link_tuner = rt2800_link_tuner, |
| 203 | .gain_calibration = rt2800_gain_calibration, |
| 204 | .vco_calibration = rt2800_vco_calibration, |
| 205 | .start_queue = rt2800mmio_start_queue, |
| 206 | .kick_queue = rt2800mmio_kick_queue, |
| 207 | .stop_queue = rt2800mmio_stop_queue, |
| 208 | .flush_queue = rt2x00mmio_flush_queue, |
| 209 | .write_tx_desc = rt2800mmio_write_tx_desc, |
| 210 | .write_tx_data = rt2800_write_tx_data, |
| 211 | .write_beacon = rt2800_write_beacon, |
| 212 | .clear_beacon = rt2800_clear_beacon, |
| 213 | .fill_rxdone = rt2800mmio_fill_rxdone, |
| 214 | .config_shared_key = rt2800_config_shared_key, |
| 215 | .config_pairwise_key = rt2800_config_pairwise_key, |
| 216 | .config_filter = rt2800_config_filter, |
| 217 | .config_intf = rt2800_config_intf, |
| 218 | .config_erp = rt2800_config_erp, |
| 219 | .config_ant = rt2800_config_ant, |
| 220 | .config = rt2800_config, |
| 221 | .sta_add = rt2800_sta_add, |
| 222 | .sta_remove = rt2800_sta_remove, |
| 223 | }; |
| 224 | |
| 225 | static const struct rt2x00_ops rt2800soc_ops = { |
| 226 | .name = KBUILD_MODNAME, |
| 227 | .drv_data_size = sizeof(struct rt2800_drv_data), |
| 228 | .max_ap_intf = 8, |
| 229 | .eeprom_size = EEPROM_SIZE, |
| 230 | .rf_size = RF_SIZE, |
| 231 | .tx_queues = NUM_TX_QUEUES, |
| 232 | .queue_init = rt2800mmio_queue_init, |
| 233 | .lib = &rt2800soc_rt2x00_ops, |
| 234 | .drv = &rt2800soc_rt2800_ops, |
| 235 | .hw = &rt2800soc_mac80211_ops, |
| 236 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
| 237 | .debugfs = &rt2800_rt2x00debug, |
| 238 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
| 239 | }; |
| 240 | |
| 241 | static int rt2800soc_probe(struct platform_device *pdev) |
| 242 | { |
| 243 | return rt2x00soc_probe(pdev, &rt2800soc_ops); |
| 244 | } |
| 245 | |
| 246 | static struct platform_driver rt2800soc_driver = { |
| 247 | .driver = { |
| 248 | .name = "rt2800_wmac", |
| 249 | .owner = THIS_MODULE, |
| 250 | .mod_name = KBUILD_MODNAME, |
| 251 | }, |
| 252 | .probe = rt2800soc_probe, |
| 253 | .remove = rt2x00soc_remove, |
| 254 | .suspend = rt2x00soc_suspend, |
| 255 | .resume = rt2x00soc_resume, |
| 256 | }; |
| 257 | |
| 258 | module_platform_driver(rt2800soc_driver); |
| 259 | |
| 260 | MODULE_AUTHOR(DRV_PROJECT); |
| 261 | MODULE_VERSION(DRV_VERSION); |
| 262 | MODULE_DESCRIPTION("Ralink WiSoC Wireless LAN driver."); |
| 263 | MODULE_LICENSE("GPL"); |