Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2008-2009 Atheros Communications Inc. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 | * |
| 18 | */ |
| 19 | |
| 20 | |
| 21 | #include <linux/module.h> |
| 22 | #include <linux/kernel.h> |
| 23 | #include <linux/init.h> |
| 24 | #include <linux/slab.h> |
| 25 | #include <linux/types.h> |
| 26 | #include <linux/errno.h> |
| 27 | #include <linux/device.h> |
| 28 | #include <linux/firmware.h> |
| 29 | #include <linux/usb.h> |
| 30 | #include <net/bluetooth/bluetooth.h> |
| 31 | |
| 32 | #define VERSION "1.0" |
Paul Fertser | c3eae82 | 2011-10-29 21:52:49 +0400 | [diff] [blame] | 33 | #define ATH3K_FIRMWARE "ath3k-1.fw" |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 34 | |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 35 | #define ATH3K_DNLOAD 0x01 |
| 36 | #define ATH3K_GETSTATE 0x05 |
| 37 | #define ATH3K_SET_NORMAL_MODE 0x07 |
| 38 | #define ATH3K_GETVERSION 0x09 |
| 39 | #define USB_REG_SWITCH_VID_PID 0x0a |
| 40 | |
| 41 | #define ATH3K_MODE_MASK 0x3F |
| 42 | #define ATH3K_NORMAL_MODE 0x0E |
| 43 | |
| 44 | #define ATH3K_PATCH_UPDATE 0x80 |
| 45 | #define ATH3K_SYSCFG_UPDATE 0x40 |
| 46 | |
| 47 | #define ATH3K_XTAL_FREQ_26M 0x00 |
| 48 | #define ATH3K_XTAL_FREQ_40M 0x01 |
| 49 | #define ATH3K_XTAL_FREQ_19P2 0x02 |
| 50 | #define ATH3K_NAME_LEN 0xFF |
| 51 | |
| 52 | struct ath3k_version { |
| 53 | unsigned int rom_version; |
| 54 | unsigned int build_version; |
| 55 | unsigned int ram_version; |
| 56 | unsigned char ref_clock; |
| 57 | unsigned char reserved[0x07]; |
| 58 | }; |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 59 | |
| 60 | static struct usb_device_id ath3k_table[] = { |
| 61 | /* Atheros AR3011 */ |
| 62 | { USB_DEVICE(0x0CF3, 0x3000) }, |
Bala Shanmugam | be93112 | 2010-11-26 17:35:46 +0530 | [diff] [blame] | 63 | |
| 64 | /* Atheros AR3011 with sflash firmware*/ |
| 65 | { USB_DEVICE(0x0CF3, 0x3002) }, |
Marek Vasut | 6eda541 | 2012-06-08 14:32:50 +0200 | [diff] [blame] | 66 | { USB_DEVICE(0x0CF3, 0xE019) }, |
Andy Ross | 2a7bccc | 2011-05-09 16:11:16 -0700 | [diff] [blame] | 67 | { USB_DEVICE(0x13d3, 0x3304) }, |
Ricardo Mendoza | 8e7c3d2 | 2011-07-13 16:04:29 +0100 | [diff] [blame] | 68 | { USB_DEVICE(0x0930, 0x0215) }, |
Keng-Yu Lin | 6b6ba88 | 2011-11-30 18:32:37 +0800 | [diff] [blame] | 69 | { USB_DEVICE(0x0489, 0xE03D) }, |
Bala Shanmugam | be93112 | 2010-11-26 17:35:46 +0530 | [diff] [blame] | 70 | |
Cho, Yu-Chen | 509e786 | 2011-01-26 17:10:59 +0800 | [diff] [blame] | 71 | /* Atheros AR9285 Malbec with sflash firmware */ |
| 72 | { USB_DEVICE(0x03F0, 0x311D) }, |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 73 | |
| 74 | /* Atheros AR3012 with sflash firmware*/ |
| 75 | { USB_DEVICE(0x0CF3, 0x3004) }, |
Cho, Yu-Chen | 07c0ea8 | 2012-03-14 22:01:21 +0200 | [diff] [blame] | 76 | { USB_DEVICE(0x0CF3, 0x311D) }, |
Eran | 9498ba7 | 2011-12-05 22:15:29 +0000 | [diff] [blame] | 77 | { USB_DEVICE(0x13d3, 0x3375) }, |
AceLan Kao | 55ed7d4 | 2012-03-28 10:25:36 +0800 | [diff] [blame] | 78 | { USB_DEVICE(0x04CA, 0x3005) }, |
AceLan Kao | 87522a4 | 2012-04-13 17:39:57 +0800 | [diff] [blame] | 79 | { USB_DEVICE(0x13d3, 0x3362) }, |
AceLan Kao | ac71311 | 2012-04-19 14:53:45 +0800 | [diff] [blame] | 80 | { USB_DEVICE(0x0CF3, 0xE004) }, |
Giancarlo Formicuccia | 6c4ae5c | 2012-06-10 08:33:11 +0200 | [diff] [blame] | 81 | { USB_DEVICE(0x0930, 0x0219) }, |
Peng Chen | 2096ae6 | 2012-08-01 10:11:59 +0800 | [diff] [blame] | 82 | { USB_DEVICE(0x0489, 0xe057) }, |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 83 | |
Cho, Yu-Chen | e9036e3 | 2011-02-15 10:20:07 +0800 | [diff] [blame] | 84 | /* Atheros AR5BBU12 with sflash firmware */ |
| 85 | { USB_DEVICE(0x0489, 0xE02C) }, |
John W. Linville | b67afe7 | 2011-02-18 17:03:41 -0500 | [diff] [blame] | 86 | |
Michael Gruetzner | 85d5972 | 2012-05-02 22:33:40 +0200 | [diff] [blame] | 87 | /* Atheros AR5BBU22 with sflash firmware */ |
| 88 | { USB_DEVICE(0x0489, 0xE03C) }, |
Yevgeniy Melnichuk | bc21fde | 2012-08-07 19:48:10 +0530 | [diff] [blame] | 89 | { USB_DEVICE(0x0489, 0xE036) }, |
Michael Gruetzner | 85d5972 | 2012-05-02 22:33:40 +0200 | [diff] [blame] | 90 | |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 91 | { } /* Terminating entry */ |
| 92 | }; |
| 93 | |
| 94 | MODULE_DEVICE_TABLE(usb, ath3k_table); |
| 95 | |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 96 | #define BTUSB_ATH3012 0x80 |
| 97 | /* This table is to load patch and sysconfig files |
| 98 | * for AR3012 */ |
| 99 | static struct usb_device_id ath3k_blist_tbl[] = { |
| 100 | |
| 101 | /* Atheros AR3012 with sflash firmware*/ |
| 102 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
Cho, Yu-Chen | 07c0ea8 | 2012-03-14 22:01:21 +0200 | [diff] [blame] | 103 | { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 }, |
Eran | 9498ba7 | 2011-12-05 22:15:29 +0000 | [diff] [blame] | 104 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | 55ed7d4 | 2012-03-28 10:25:36 +0800 | [diff] [blame] | 105 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | 87522a4 | 2012-04-13 17:39:57 +0800 | [diff] [blame] | 106 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | ac71311 | 2012-04-19 14:53:45 +0800 | [diff] [blame] | 107 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
Giancarlo Formicuccia | 6c4ae5c | 2012-06-10 08:33:11 +0200 | [diff] [blame] | 108 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
Peng Chen | 2096ae6 | 2012-08-01 10:11:59 +0800 | [diff] [blame] | 109 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 110 | |
Michael Gruetzner | 85d5972 | 2012-05-02 22:33:40 +0200 | [diff] [blame] | 111 | /* Atheros AR5BBU22 with sflash firmware */ |
| 112 | { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 }, |
Yevgeniy Melnichuk | bc21fde | 2012-08-07 19:48:10 +0530 | [diff] [blame] | 113 | { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 }, |
Michael Gruetzner | 85d5972 | 2012-05-02 22:33:40 +0200 | [diff] [blame] | 114 | |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 115 | { } /* Terminating entry */ |
| 116 | }; |
| 117 | |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 118 | #define USB_REQ_DFU_DNLOAD 1 |
| 119 | #define BULK_SIZE 4096 |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 120 | #define FW_HDR_SIZE 20 |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 121 | |
Alexander Holler | 86e0928 | 2010-11-22 21:09:01 +0100 | [diff] [blame] | 122 | static int ath3k_load_firmware(struct usb_device *udev, |
| 123 | const struct firmware *firmware) |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 124 | { |
| 125 | u8 *send_buf; |
| 126 | int err, pipe, len, size, sent = 0; |
Alexander Holler | 86e0928 | 2010-11-22 21:09:01 +0100 | [diff] [blame] | 127 | int count = firmware->size; |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 128 | |
Alexander Holler | 86e0928 | 2010-11-22 21:09:01 +0100 | [diff] [blame] | 129 | BT_DBG("udev %p", udev); |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 130 | |
Alexander Holler | 86e0928 | 2010-11-22 21:09:01 +0100 | [diff] [blame] | 131 | pipe = usb_sndctrlpipe(udev, 0); |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 132 | |
David Herrmann | 52a1020 | 2011-10-25 12:09:52 +0200 | [diff] [blame] | 133 | send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 134 | if (!send_buf) { |
| 135 | BT_ERR("Can't allocate memory chunk for firmware"); |
| 136 | return -ENOMEM; |
| 137 | } |
| 138 | |
Alexander Holler | 86e0928 | 2010-11-22 21:09:01 +0100 | [diff] [blame] | 139 | memcpy(send_buf, firmware->data, 20); |
| 140 | if ((err = usb_control_msg(udev, pipe, |
| 141 | USB_REQ_DFU_DNLOAD, |
| 142 | USB_TYPE_VENDOR, 0, 0, |
| 143 | send_buf, 20, USB_CTRL_SET_TIMEOUT)) < 0) { |
| 144 | BT_ERR("Can't change to loading configuration err"); |
| 145 | goto error; |
| 146 | } |
| 147 | sent += 20; |
| 148 | count -= 20; |
| 149 | |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 150 | while (count) { |
| 151 | size = min_t(uint, count, BULK_SIZE); |
Alexander Holler | 86e0928 | 2010-11-22 21:09:01 +0100 | [diff] [blame] | 152 | pipe = usb_sndbulkpipe(udev, 0x02); |
| 153 | memcpy(send_buf, firmware->data + sent, size); |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 154 | |
Alexander Holler | 86e0928 | 2010-11-22 21:09:01 +0100 | [diff] [blame] | 155 | err = usb_bulk_msg(udev, pipe, send_buf, size, |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 156 | &len, 3000); |
| 157 | |
| 158 | if (err || (len != size)) { |
| 159 | BT_ERR("Error in firmware loading err = %d," |
| 160 | "len = %d, size = %d", err, len, size); |
| 161 | goto error; |
| 162 | } |
| 163 | |
| 164 | sent += size; |
| 165 | count -= size; |
| 166 | } |
| 167 | |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 168 | error: |
| 169 | kfree(send_buf); |
| 170 | return err; |
| 171 | } |
| 172 | |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 173 | static int ath3k_get_state(struct usb_device *udev, unsigned char *state) |
| 174 | { |
| 175 | int pipe = 0; |
| 176 | |
| 177 | pipe = usb_rcvctrlpipe(udev, 0); |
| 178 | return usb_control_msg(udev, pipe, ATH3K_GETSTATE, |
| 179 | USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, |
| 180 | state, 0x01, USB_CTRL_SET_TIMEOUT); |
| 181 | } |
| 182 | |
| 183 | static int ath3k_get_version(struct usb_device *udev, |
| 184 | struct ath3k_version *version) |
| 185 | { |
| 186 | int pipe = 0; |
| 187 | |
| 188 | pipe = usb_rcvctrlpipe(udev, 0); |
| 189 | return usb_control_msg(udev, pipe, ATH3K_GETVERSION, |
| 190 | USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, version, |
| 191 | sizeof(struct ath3k_version), |
| 192 | USB_CTRL_SET_TIMEOUT); |
| 193 | } |
| 194 | |
| 195 | static int ath3k_load_fwfile(struct usb_device *udev, |
| 196 | const struct firmware *firmware) |
| 197 | { |
| 198 | u8 *send_buf; |
| 199 | int err, pipe, len, size, count, sent = 0; |
| 200 | int ret; |
| 201 | |
| 202 | count = firmware->size; |
| 203 | |
David Herrmann | 52a1020 | 2011-10-25 12:09:52 +0200 | [diff] [blame] | 204 | send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 205 | if (!send_buf) { |
| 206 | BT_ERR("Can't allocate memory chunk for firmware"); |
| 207 | return -ENOMEM; |
| 208 | } |
| 209 | |
| 210 | size = min_t(uint, count, FW_HDR_SIZE); |
| 211 | memcpy(send_buf, firmware->data, size); |
| 212 | |
| 213 | pipe = usb_sndctrlpipe(udev, 0); |
| 214 | ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD, |
| 215 | USB_TYPE_VENDOR, 0, 0, send_buf, |
| 216 | size, USB_CTRL_SET_TIMEOUT); |
| 217 | if (ret < 0) { |
| 218 | BT_ERR("Can't change to loading configuration err"); |
| 219 | kfree(send_buf); |
| 220 | return ret; |
| 221 | } |
| 222 | |
| 223 | sent += size; |
| 224 | count -= size; |
| 225 | |
| 226 | while (count) { |
| 227 | size = min_t(uint, count, BULK_SIZE); |
| 228 | pipe = usb_sndbulkpipe(udev, 0x02); |
| 229 | |
| 230 | memcpy(send_buf, firmware->data + sent, size); |
| 231 | |
| 232 | err = usb_bulk_msg(udev, pipe, send_buf, size, |
| 233 | &len, 3000); |
| 234 | if (err || (len != size)) { |
| 235 | BT_ERR("Error in firmware loading err = %d," |
| 236 | "len = %d, size = %d", err, len, size); |
| 237 | kfree(send_buf); |
| 238 | return err; |
| 239 | } |
| 240 | sent += size; |
| 241 | count -= size; |
| 242 | } |
| 243 | |
| 244 | kfree(send_buf); |
| 245 | return 0; |
| 246 | } |
| 247 | |
| 248 | static int ath3k_switch_pid(struct usb_device *udev) |
| 249 | { |
| 250 | int pipe = 0; |
| 251 | |
| 252 | pipe = usb_sndctrlpipe(udev, 0); |
| 253 | return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID, |
| 254 | USB_TYPE_VENDOR, 0, 0, |
| 255 | NULL, 0, USB_CTRL_SET_TIMEOUT); |
| 256 | } |
| 257 | |
| 258 | static int ath3k_set_normal_mode(struct usb_device *udev) |
| 259 | { |
| 260 | unsigned char fw_state; |
| 261 | int pipe = 0, ret; |
| 262 | |
| 263 | ret = ath3k_get_state(udev, &fw_state); |
| 264 | if (ret < 0) { |
| 265 | BT_ERR("Can't get state to change to normal mode err"); |
| 266 | return ret; |
| 267 | } |
| 268 | |
| 269 | if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) { |
| 270 | BT_DBG("firmware was already in normal mode"); |
| 271 | return 0; |
| 272 | } |
| 273 | |
| 274 | pipe = usb_sndctrlpipe(udev, 0); |
| 275 | return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE, |
| 276 | USB_TYPE_VENDOR, 0, 0, |
| 277 | NULL, 0, USB_CTRL_SET_TIMEOUT); |
| 278 | } |
| 279 | |
| 280 | static int ath3k_load_patch(struct usb_device *udev) |
| 281 | { |
| 282 | unsigned char fw_state; |
| 283 | char filename[ATH3K_NAME_LEN] = {0}; |
| 284 | const struct firmware *firmware; |
| 285 | struct ath3k_version fw_version, pt_version; |
| 286 | int ret; |
| 287 | |
| 288 | ret = ath3k_get_state(udev, &fw_state); |
| 289 | if (ret < 0) { |
| 290 | BT_ERR("Can't get state to change to load ram patch err"); |
| 291 | return ret; |
| 292 | } |
| 293 | |
| 294 | if (fw_state & ATH3K_PATCH_UPDATE) { |
| 295 | BT_DBG("Patch was already downloaded"); |
| 296 | return 0; |
| 297 | } |
| 298 | |
| 299 | ret = ath3k_get_version(udev, &fw_version); |
| 300 | if (ret < 0) { |
| 301 | BT_ERR("Can't get version to change to load ram patch err"); |
| 302 | return ret; |
| 303 | } |
| 304 | |
| 305 | snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu", |
| 306 | fw_version.rom_version); |
| 307 | |
| 308 | ret = request_firmware(&firmware, filename, &udev->dev); |
| 309 | if (ret < 0) { |
| 310 | BT_ERR("Patch file not found %s", filename); |
| 311 | return ret; |
| 312 | } |
| 313 | |
| 314 | pt_version.rom_version = *(int *)(firmware->data + firmware->size - 8); |
| 315 | pt_version.build_version = *(int *) |
| 316 | (firmware->data + firmware->size - 4); |
| 317 | |
| 318 | if ((pt_version.rom_version != fw_version.rom_version) || |
| 319 | (pt_version.build_version <= fw_version.build_version)) { |
| 320 | BT_ERR("Patch file version did not match with firmware"); |
| 321 | release_firmware(firmware); |
| 322 | return -EINVAL; |
| 323 | } |
| 324 | |
| 325 | ret = ath3k_load_fwfile(udev, firmware); |
| 326 | release_firmware(firmware); |
| 327 | |
| 328 | return ret; |
| 329 | } |
| 330 | |
| 331 | static int ath3k_load_syscfg(struct usb_device *udev) |
| 332 | { |
| 333 | unsigned char fw_state; |
| 334 | char filename[ATH3K_NAME_LEN] = {0}; |
| 335 | const struct firmware *firmware; |
| 336 | struct ath3k_version fw_version; |
| 337 | int clk_value, ret; |
| 338 | |
| 339 | ret = ath3k_get_state(udev, &fw_state); |
| 340 | if (ret < 0) { |
| 341 | BT_ERR("Can't get state to change to load configration err"); |
| 342 | return -EBUSY; |
| 343 | } |
| 344 | |
| 345 | ret = ath3k_get_version(udev, &fw_version); |
| 346 | if (ret < 0) { |
| 347 | BT_ERR("Can't get version to change to load ram patch err"); |
| 348 | return ret; |
| 349 | } |
| 350 | |
| 351 | switch (fw_version.ref_clock) { |
| 352 | |
| 353 | case ATH3K_XTAL_FREQ_26M: |
| 354 | clk_value = 26; |
| 355 | break; |
| 356 | case ATH3K_XTAL_FREQ_40M: |
| 357 | clk_value = 40; |
| 358 | break; |
| 359 | case ATH3K_XTAL_FREQ_19P2: |
| 360 | clk_value = 19; |
| 361 | break; |
| 362 | default: |
| 363 | clk_value = 0; |
| 364 | break; |
| 365 | } |
| 366 | |
| 367 | snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s", |
| 368 | fw_version.rom_version, clk_value, ".dfu"); |
| 369 | |
| 370 | ret = request_firmware(&firmware, filename, &udev->dev); |
| 371 | if (ret < 0) { |
| 372 | BT_ERR("Configuration file not found %s", filename); |
| 373 | return ret; |
| 374 | } |
| 375 | |
| 376 | ret = ath3k_load_fwfile(udev, firmware); |
| 377 | release_firmware(firmware); |
| 378 | |
| 379 | return ret; |
| 380 | } |
| 381 | |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 382 | static int ath3k_probe(struct usb_interface *intf, |
| 383 | const struct usb_device_id *id) |
| 384 | { |
| 385 | const struct firmware *firmware; |
| 386 | struct usb_device *udev = interface_to_usbdev(intf); |
Rogério Brito | 84f0e17 | 2011-02-03 01:42:05 -0200 | [diff] [blame] | 387 | int ret; |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 388 | |
| 389 | BT_DBG("intf %p id %p", intf, id); |
| 390 | |
| 391 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
| 392 | return -ENODEV; |
| 393 | |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 394 | /* match device ID in ath3k blacklist table */ |
| 395 | if (!id->driver_info) { |
| 396 | const struct usb_device_id *match; |
| 397 | match = usb_match_id(intf, ath3k_blist_tbl); |
| 398 | if (match) |
| 399 | id = match; |
| 400 | } |
| 401 | |
| 402 | /* load patch and sysconfig files for AR3012 */ |
| 403 | if (id->driver_info & BTUSB_ATH3012) { |
Steven.Li | 2d25f8b | 2011-07-01 14:02:36 +0800 | [diff] [blame] | 404 | |
| 405 | /* New firmware with patch and sysconfig files already loaded */ |
| 406 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001) |
| 407 | return -ENODEV; |
| 408 | |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 409 | ret = ath3k_load_patch(udev); |
| 410 | if (ret < 0) { |
| 411 | BT_ERR("Loading patch file failed"); |
| 412 | return ret; |
| 413 | } |
| 414 | ret = ath3k_load_syscfg(udev); |
| 415 | if (ret < 0) { |
| 416 | BT_ERR("Loading sysconfig file failed"); |
| 417 | return ret; |
| 418 | } |
| 419 | ret = ath3k_set_normal_mode(udev); |
| 420 | if (ret < 0) { |
| 421 | BT_ERR("Set normal mode failed"); |
| 422 | return ret; |
| 423 | } |
| 424 | ath3k_switch_pid(udev); |
| 425 | return 0; |
| 426 | } |
| 427 | |
Paul Fertser | c3eae82 | 2011-10-29 21:52:49 +0400 | [diff] [blame] | 428 | ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev); |
| 429 | if (ret < 0) { |
| 430 | if (ret == -ENOENT) |
| 431 | BT_ERR("Firmware file \"%s\" not found", |
| 432 | ATH3K_FIRMWARE); |
| 433 | else |
| 434 | BT_ERR("Firmware file \"%s\" request failed (err=%d)", |
| 435 | ATH3K_FIRMWARE, ret); |
| 436 | return ret; |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 437 | } |
| 438 | |
Rogério Brito | 84f0e17 | 2011-02-03 01:42:05 -0200 | [diff] [blame] | 439 | ret = ath3k_load_firmware(udev, firmware); |
Alexander Holler | 86e0928 | 2010-11-22 21:09:01 +0100 | [diff] [blame] | 440 | release_firmware(firmware); |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 441 | |
Rogério Brito | 84f0e17 | 2011-02-03 01:42:05 -0200 | [diff] [blame] | 442 | return ret; |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 443 | } |
| 444 | |
| 445 | static void ath3k_disconnect(struct usb_interface *intf) |
| 446 | { |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 447 | BT_DBG("ath3k_disconnect intf %p", intf); |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 448 | } |
| 449 | |
| 450 | static struct usb_driver ath3k_driver = { |
| 451 | .name = "ath3k", |
| 452 | .probe = ath3k_probe, |
| 453 | .disconnect = ath3k_disconnect, |
| 454 | .id_table = ath3k_table, |
Sarah Sharp | e1f12eb | 2012-04-23 10:08:51 -0700 | [diff] [blame] | 455 | .disable_hub_initiated_lpm = 1, |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 456 | }; |
| 457 | |
Greg Kroah-Hartman | 93f1508 | 2011-11-18 09:47:34 -0800 | [diff] [blame] | 458 | module_usb_driver(ath3k_driver); |
Vikram Kandukuri | 9670d80 | 2010-01-06 19:04:15 +0530 | [diff] [blame] | 459 | |
| 460 | MODULE_AUTHOR("Atheros Communications"); |
| 461 | MODULE_DESCRIPTION("Atheros AR30xx firmware driver"); |
| 462 | MODULE_VERSION(VERSION); |
| 463 | MODULE_LICENSE("GPL"); |
Paul Fertser | c3eae82 | 2011-10-29 21:52:49 +0400 | [diff] [blame] | 464 | MODULE_FIRMWARE(ATH3K_FIRMWARE); |