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789221ec BZ |
1 | /** |
2 | * Marvell BT-over-SDIO driver: SDIO interface related functions. | |
3 | * | |
4 | * Copyright (C) 2009, Marvell International Ltd. | |
5 | * | |
6 | * This software file (the "File") is distributed by Marvell International | |
7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 | |
8 | * (the "License"). You may use, redistribute and/or modify this File in | |
9 | * accordance with the terms and conditions of the License, a copy of which | |
10 | * is available by writing to the Free Software Foundation, Inc., | |
11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the | |
12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. | |
13 | * | |
14 | * | |
15 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE | |
16 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE | |
17 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about | |
18 | * this warranty disclaimer. | |
19 | **/ | |
20 | ||
433a9389 | 21 | #include <linux/firmware.h> |
5a0e3ad6 | 22 | #include <linux/slab.h> |
789221ec BZ |
23 | |
24 | #include <linux/mmc/sdio_ids.h> | |
25 | #include <linux/mmc/sdio_func.h> | |
a59b968e | 26 | #include <linux/module.h> |
dc759613 | 27 | #include <linux/devcoredump.h> |
789221ec BZ |
28 | |
29 | #include <net/bluetooth/bluetooth.h> | |
30 | #include <net/bluetooth/hci_core.h> | |
31 | ||
32 | #include "btmrvl_drv.h" | |
33 | #include "btmrvl_sdio.h" | |
34 | ||
35 | #define VERSION "1.0" | |
36 | ||
dc759613 XH |
37 | static struct memory_type_mapping mem_type_mapping_tbl[] = { |
38 | {"ITCM", NULL, 0, 0xF0}, | |
39 | {"DTCM", NULL, 0, 0xF1}, | |
40 | {"SQRAM", NULL, 0, 0xF2}, | |
41 | {"APU", NULL, 0, 0xF3}, | |
42 | {"CIU", NULL, 0, 0xF4}, | |
43 | {"ICU", NULL, 0, 0xF5}, | |
44 | {"MAC", NULL, 0, 0xF6}, | |
45 | {"EXT7", NULL, 0, 0xF7}, | |
46 | {"EXT8", NULL, 0, 0xF8}, | |
47 | {"EXT9", NULL, 0, 0xF9}, | |
48 | {"EXT10", NULL, 0, 0xFA}, | |
49 | {"EXT11", NULL, 0, 0xFB}, | |
50 | {"EXT12", NULL, 0, 0xFC}, | |
51 | {"EXT13", NULL, 0, 0xFD}, | |
52 | {"EXTLAST", NULL, 0, 0xFE}, | |
53 | }; | |
54 | ||
789221ec BZ |
55 | /* The btmrvl_sdio_remove() callback function is called |
56 | * when user removes this module from kernel space or ejects | |
57 | * the card from the slot. The driver handles these 2 cases | |
58 | * differently. | |
59 | * If the user is removing the module, a MODULE_SHUTDOWN_REQ | |
60 | * command is sent to firmware and interrupt will be disabled. | |
61 | * If the card is removed, there is no need to send command | |
62 | * or disable interrupt. | |
63 | * | |
64 | * The variable 'user_rmmod' is used to distinguish these two | |
65 | * scenarios. This flag is initialized as FALSE in case the card | |
66 | * is removed, and will be set to TRUE for module removal when | |
67 | * module_exit function is called. | |
68 | */ | |
69 | static u8 user_rmmod; | |
d1d10d78 | 70 | static u8 sdio_ireg; |
789221ec | 71 | |
9f72c1d9 KG |
72 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8688 = { |
73 | .cfg = 0x03, | |
74 | .host_int_mask = 0x04, | |
75 | .host_intstatus = 0x05, | |
76 | .card_status = 0x20, | |
77 | .sq_read_base_addr_a0 = 0x10, | |
78 | .sq_read_base_addr_a1 = 0x11, | |
79 | .card_fw_status0 = 0x40, | |
80 | .card_fw_status1 = 0x41, | |
81 | .card_rx_len = 0x42, | |
82 | .card_rx_unit = 0x43, | |
83 | .io_port_0 = 0x00, | |
84 | .io_port_1 = 0x01, | |
85 | .io_port_2 = 0x02, | |
0d367408 | 86 | .int_read_to_clear = false, |
9f72c1d9 | 87 | }; |
2ac654f7 | 88 | static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = { |
9f72c1d9 KG |
89 | .cfg = 0x00, |
90 | .host_int_mask = 0x02, | |
91 | .host_intstatus = 0x03, | |
92 | .card_status = 0x30, | |
93 | .sq_read_base_addr_a0 = 0x40, | |
94 | .sq_read_base_addr_a1 = 0x41, | |
95 | .card_revision = 0x5c, | |
96 | .card_fw_status0 = 0x60, | |
97 | .card_fw_status1 = 0x61, | |
98 | .card_rx_len = 0x62, | |
99 | .card_rx_unit = 0x63, | |
100 | .io_port_0 = 0x78, | |
101 | .io_port_1 = 0x79, | |
102 | .io_port_2 = 0x7a, | |
0d367408 | 103 | .int_read_to_clear = false, |
9f72c1d9 KG |
104 | }; |
105 | ||
3907d558 XH |
106 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8887 = { |
107 | .cfg = 0x00, | |
108 | .host_int_mask = 0x08, | |
109 | .host_intstatus = 0x0C, | |
110 | .card_status = 0x5C, | |
111 | .sq_read_base_addr_a0 = 0x6C, | |
112 | .sq_read_base_addr_a1 = 0x6D, | |
113 | .card_revision = 0xC8, | |
114 | .card_fw_status0 = 0x88, | |
115 | .card_fw_status1 = 0x89, | |
116 | .card_rx_len = 0x8A, | |
117 | .card_rx_unit = 0x8B, | |
118 | .io_port_0 = 0xE4, | |
119 | .io_port_1 = 0xE5, | |
120 | .io_port_2 = 0xE6, | |
121 | .int_read_to_clear = true, | |
122 | .host_int_rsr = 0x04, | |
123 | .card_misc_cfg = 0xD8, | |
124 | }; | |
125 | ||
1e3e492c | 126 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8897 = { |
22f2efed BZ |
127 | .cfg = 0x00, |
128 | .host_int_mask = 0x02, | |
129 | .host_intstatus = 0x03, | |
130 | .card_status = 0x50, | |
131 | .sq_read_base_addr_a0 = 0x60, | |
132 | .sq_read_base_addr_a1 = 0x61, | |
133 | .card_revision = 0xbc, | |
134 | .card_fw_status0 = 0xc0, | |
135 | .card_fw_status1 = 0xc1, | |
136 | .card_rx_len = 0xc2, | |
137 | .card_rx_unit = 0xc3, | |
138 | .io_port_0 = 0xd8, | |
139 | .io_port_1 = 0xd9, | |
140 | .io_port_2 = 0xda, | |
0d367408 BZ |
141 | .int_read_to_clear = true, |
142 | .host_int_rsr = 0x01, | |
143 | .card_misc_cfg = 0xcc, | |
dc759613 XH |
144 | .fw_dump_ctrl = 0xe2, |
145 | .fw_dump_start = 0xe3, | |
146 | .fw_dump_end = 0xea, | |
22f2efed BZ |
147 | }; |
148 | ||
c675786a | 149 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = { |
77189df4 LR |
150 | .helper = "mrvl/sd8688_helper.bin", |
151 | .firmware = "mrvl/sd8688.bin", | |
9f72c1d9 | 152 | .reg = &btmrvl_reg_8688, |
4df82b59 | 153 | .support_pscan_win_report = false, |
9f72c1d9 | 154 | .sd_blksz_fw_dl = 64, |
dc759613 | 155 | .supports_fw_dump = false, |
9f72c1d9 KG |
156 | }; |
157 | ||
158 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = { | |
159 | .helper = NULL, | |
160 | .firmware = "mrvl/sd8787_uapsta.bin", | |
2ac654f7 | 161 | .reg = &btmrvl_reg_87xx, |
4df82b59 | 162 | .support_pscan_win_report = false, |
2ac654f7 | 163 | .sd_blksz_fw_dl = 256, |
dc759613 | 164 | .supports_fw_dump = false, |
2ac654f7 BZ |
165 | }; |
166 | ||
167 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = { | |
168 | .helper = NULL, | |
169 | .firmware = "mrvl/sd8797_uapsta.bin", | |
170 | .reg = &btmrvl_reg_87xx, | |
4df82b59 | 171 | .support_pscan_win_report = false, |
9f72c1d9 | 172 | .sd_blksz_fw_dl = 256, |
dc759613 | 173 | .supports_fw_dump = false, |
789221ec BZ |
174 | }; |
175 | ||
3907d558 XH |
176 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8887 = { |
177 | .helper = NULL, | |
178 | .firmware = "mrvl/sd8887_uapsta.bin", | |
179 | .reg = &btmrvl_reg_8887, | |
180 | .support_pscan_win_report = true, | |
181 | .sd_blksz_fw_dl = 256, | |
dc759613 | 182 | .supports_fw_dump = false, |
3907d558 XH |
183 | }; |
184 | ||
22f2efed BZ |
185 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8897 = { |
186 | .helper = NULL, | |
187 | .firmware = "mrvl/sd8897_uapsta.bin", | |
1e3e492c | 188 | .reg = &btmrvl_reg_8897, |
4df82b59 | 189 | .support_pscan_win_report = true, |
22f2efed | 190 | .sd_blksz_fw_dl = 256, |
dc759613 | 191 | .supports_fw_dump = true, |
22f2efed BZ |
192 | }; |
193 | ||
dcf47f3b MH |
194 | static const struct sdio_device_id btmrvl_sdio_ids[] = { |
195 | /* Marvell SD8688 Bluetooth device */ | |
196 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9105), | |
c675786a | 197 | .driver_data = (unsigned long) &btmrvl_sdio_sd8688 }, |
9f72c1d9 KG |
198 | /* Marvell SD8787 Bluetooth device */ |
199 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A), | |
200 | .driver_data = (unsigned long) &btmrvl_sdio_sd8787 }, | |
37ed561e BZ |
201 | /* Marvell SD8787 Bluetooth AMP device */ |
202 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911B), | |
203 | .driver_data = (unsigned long) &btmrvl_sdio_sd8787 }, | |
2ac654f7 BZ |
204 | /* Marvell SD8797 Bluetooth device */ |
205 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A), | |
206 | .driver_data = (unsigned long) &btmrvl_sdio_sd8797 }, | |
3907d558 XH |
207 | /* Marvell SD8887 Bluetooth device */ |
208 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9136), | |
209 | .driver_data = (unsigned long)&btmrvl_sdio_sd8887 }, | |
22f2efed BZ |
210 | /* Marvell SD8897 Bluetooth device */ |
211 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912E), | |
212 | .driver_data = (unsigned long) &btmrvl_sdio_sd8897 }, | |
789221ec | 213 | |
dcf47f3b | 214 | { } /* Terminating entry */ |
789221ec BZ |
215 | }; |
216 | ||
dcf47f3b MH |
217 | MODULE_DEVICE_TABLE(sdio, btmrvl_sdio_ids); |
218 | ||
789221ec BZ |
219 | static int btmrvl_sdio_get_rx_unit(struct btmrvl_sdio_card *card) |
220 | { | |
221 | u8 reg; | |
222 | int ret; | |
223 | ||
9f72c1d9 | 224 | reg = sdio_readb(card->func, card->reg->card_rx_unit, &ret); |
789221ec BZ |
225 | if (!ret) |
226 | card->rx_unit = reg; | |
227 | ||
789221ec BZ |
228 | return ret; |
229 | } | |
230 | ||
231 | static int btmrvl_sdio_read_fw_status(struct btmrvl_sdio_card *card, u16 *dat) | |
232 | { | |
789221ec | 233 | u8 fws0, fws1; |
9374253f | 234 | int ret; |
789221ec BZ |
235 | |
236 | *dat = 0; | |
237 | ||
9f72c1d9 | 238 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); |
278be27f KV |
239 | if (ret) |
240 | return -EIO; | |
789221ec | 241 | |
9f72c1d9 | 242 | fws1 = sdio_readb(card->func, card->reg->card_fw_status1, &ret); |
9374253f | 243 | if (ret) |
789221ec | 244 | return -EIO; |
789221ec BZ |
245 | |
246 | *dat = (((u16) fws1) << 8) | fws0; | |
247 | ||
789221ec BZ |
248 | return 0; |
249 | } | |
250 | ||
251 | static int btmrvl_sdio_read_rx_len(struct btmrvl_sdio_card *card, u16 *dat) | |
252 | { | |
789221ec | 253 | u8 reg; |
9374253f | 254 | int ret; |
789221ec | 255 | |
9f72c1d9 | 256 | reg = sdio_readb(card->func, card->reg->card_rx_len, &ret); |
789221ec BZ |
257 | if (!ret) |
258 | *dat = (u16) reg << card->rx_unit; | |
259 | ||
789221ec BZ |
260 | return ret; |
261 | } | |
262 | ||
263 | static int btmrvl_sdio_enable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 264 | u8 mask) |
789221ec BZ |
265 | { |
266 | int ret; | |
267 | ||
9f72c1d9 | 268 | sdio_writeb(card->func, mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
269 | if (ret) { |
270 | BT_ERR("Unable to enable the host interrupt!"); | |
271 | ret = -EIO; | |
272 | } | |
273 | ||
789221ec BZ |
274 | return ret; |
275 | } | |
276 | ||
277 | static int btmrvl_sdio_disable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 278 | u8 mask) |
789221ec | 279 | { |
789221ec | 280 | u8 host_int_mask; |
9374253f | 281 | int ret; |
789221ec | 282 | |
9f72c1d9 | 283 | host_int_mask = sdio_readb(card->func, card->reg->host_int_mask, &ret); |
9374253f MH |
284 | if (ret) |
285 | return -EIO; | |
789221ec BZ |
286 | |
287 | host_int_mask &= ~mask; | |
288 | ||
9f72c1d9 | 289 | sdio_writeb(card->func, host_int_mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
290 | if (ret < 0) { |
291 | BT_ERR("Unable to disable the host interrupt!"); | |
9374253f | 292 | return -EIO; |
789221ec BZ |
293 | } |
294 | ||
9374253f | 295 | return 0; |
789221ec BZ |
296 | } |
297 | ||
298 | static int btmrvl_sdio_poll_card_status(struct btmrvl_sdio_card *card, u8 bits) | |
299 | { | |
300 | unsigned int tries; | |
789221ec | 301 | u8 status; |
9374253f | 302 | int ret; |
789221ec BZ |
303 | |
304 | for (tries = 0; tries < MAX_POLL_TRIES * 1000; tries++) { | |
9f72c1d9 | 305 | status = sdio_readb(card->func, card->reg->card_status, &ret); |
789221ec BZ |
306 | if (ret) |
307 | goto failed; | |
308 | if ((status & bits) == bits) | |
9374253f | 309 | return ret; |
789221ec BZ |
310 | |
311 | udelay(1); | |
312 | } | |
313 | ||
314 | ret = -ETIMEDOUT; | |
315 | ||
316 | failed: | |
317 | BT_ERR("FAILED! ret=%d", ret); | |
318 | ||
789221ec BZ |
319 | return ret; |
320 | } | |
321 | ||
322 | static int btmrvl_sdio_verify_fw_download(struct btmrvl_sdio_card *card, | |
dcf47f3b | 323 | int pollnum) |
789221ec | 324 | { |
789221ec | 325 | u16 firmwarestat; |
69676b1c | 326 | int tries, ret; |
789221ec | 327 | |
789221ec BZ |
328 | /* Wait for firmware to become ready */ |
329 | for (tries = 0; tries < pollnum; tries++) { | |
c1c999e2 AF |
330 | sdio_claim_host(card->func); |
331 | ret = btmrvl_sdio_read_fw_status(card, &firmwarestat); | |
332 | sdio_release_host(card->func); | |
333 | if (ret < 0) | |
789221ec BZ |
334 | continue; |
335 | ||
69676b1c AF |
336 | if (firmwarestat == FIRMWARE_READY) |
337 | return 0; | |
338 | ||
339 | msleep(10); | |
789221ec BZ |
340 | } |
341 | ||
69676b1c | 342 | return -ETIMEDOUT; |
789221ec BZ |
343 | } |
344 | ||
345 | static int btmrvl_sdio_download_helper(struct btmrvl_sdio_card *card) | |
346 | { | |
347 | const struct firmware *fw_helper = NULL; | |
348 | const u8 *helper = NULL; | |
349 | int ret; | |
350 | void *tmphlprbuf = NULL; | |
351 | int tmphlprbufsz, hlprblknow, helperlen; | |
352 | u8 *helperbuf; | |
353 | u32 tx_len; | |
354 | ||
789221ec | 355 | ret = request_firmware(&fw_helper, card->helper, |
dcf47f3b | 356 | &card->func->dev); |
789221ec BZ |
357 | if ((ret < 0) || !fw_helper) { |
358 | BT_ERR("request_firmware(helper) failed, error code = %d", | |
dcf47f3b | 359 | ret); |
789221ec BZ |
360 | ret = -ENOENT; |
361 | goto done; | |
362 | } | |
363 | ||
364 | helper = fw_helper->data; | |
365 | helperlen = fw_helper->size; | |
366 | ||
367 | BT_DBG("Downloading helper image (%d bytes), block size %d bytes", | |
dcf47f3b | 368 | helperlen, SDIO_BLOCK_SIZE); |
789221ec BZ |
369 | |
370 | tmphlprbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
371 | ||
f8df39f1 | 372 | tmphlprbuf = kzalloc(tmphlprbufsz, GFP_KERNEL); |
789221ec BZ |
373 | if (!tmphlprbuf) { |
374 | BT_ERR("Unable to allocate buffer for helper." | |
375 | " Terminating download"); | |
376 | ret = -ENOMEM; | |
377 | goto done; | |
378 | } | |
379 | ||
789221ec BZ |
380 | helperbuf = (u8 *) ALIGN_ADDR(tmphlprbuf, BTSDIO_DMA_ALIGN); |
381 | ||
382 | /* Perform helper data transfer */ | |
383 | tx_len = (FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE) | |
384 | - SDIO_HEADER_LEN; | |
385 | hlprblknow = 0; | |
386 | ||
387 | do { | |
388 | ret = btmrvl_sdio_poll_card_status(card, | |
389 | CARD_IO_READY | DN_LD_CARD_RDY); | |
390 | if (ret < 0) { | |
391 | BT_ERR("Helper download poll status timeout @ %d", | |
392 | hlprblknow); | |
393 | goto done; | |
394 | } | |
395 | ||
396 | /* Check if there is more data? */ | |
397 | if (hlprblknow >= helperlen) | |
398 | break; | |
399 | ||
400 | if (helperlen - hlprblknow < tx_len) | |
401 | tx_len = helperlen - hlprblknow; | |
402 | ||
403 | /* Little-endian */ | |
404 | helperbuf[0] = ((tx_len & 0x000000ff) >> 0); | |
405 | helperbuf[1] = ((tx_len & 0x0000ff00) >> 8); | |
406 | helperbuf[2] = ((tx_len & 0x00ff0000) >> 16); | |
407 | helperbuf[3] = ((tx_len & 0xff000000) >> 24); | |
408 | ||
409 | memcpy(&helperbuf[SDIO_HEADER_LEN], &helper[hlprblknow], | |
410 | tx_len); | |
411 | ||
412 | /* Now send the data */ | |
dcf47f3b MH |
413 | ret = sdio_writesb(card->func, card->ioport, helperbuf, |
414 | FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE); | |
789221ec BZ |
415 | if (ret < 0) { |
416 | BT_ERR("IO error during helper download @ %d", | |
417 | hlprblknow); | |
418 | goto done; | |
419 | } | |
420 | ||
421 | hlprblknow += tx_len; | |
422 | } while (true); | |
423 | ||
424 | BT_DBG("Transferring helper image EOF block"); | |
425 | ||
426 | memset(helperbuf, 0x0, SDIO_BLOCK_SIZE); | |
427 | ||
428 | ret = sdio_writesb(card->func, card->ioport, helperbuf, | |
dcf47f3b | 429 | SDIO_BLOCK_SIZE); |
789221ec BZ |
430 | if (ret < 0) { |
431 | BT_ERR("IO error in writing helper image EOF block"); | |
432 | goto done; | |
433 | } | |
434 | ||
435 | ret = 0; | |
436 | ||
437 | done: | |
438 | kfree(tmphlprbuf); | |
59f34fb3 | 439 | release_firmware(fw_helper); |
789221ec BZ |
440 | return ret; |
441 | } | |
442 | ||
443 | static int btmrvl_sdio_download_fw_w_helper(struct btmrvl_sdio_card *card) | |
444 | { | |
445 | const struct firmware *fw_firmware = NULL; | |
446 | const u8 *firmware = NULL; | |
447 | int firmwarelen, tmpfwbufsz, ret; | |
448 | unsigned int tries, offset; | |
449 | u8 base0, base1; | |
450 | void *tmpfwbuf = NULL; | |
451 | u8 *fwbuf; | |
9f72c1d9 | 452 | u16 len, blksz_dl = card->sd_blksz_fw_dl; |
789221ec BZ |
453 | int txlen = 0, tx_blocks = 0, count = 0; |
454 | ||
789221ec | 455 | ret = request_firmware(&fw_firmware, card->firmware, |
dcf47f3b | 456 | &card->func->dev); |
789221ec BZ |
457 | if ((ret < 0) || !fw_firmware) { |
458 | BT_ERR("request_firmware(firmware) failed, error code = %d", | |
dcf47f3b | 459 | ret); |
789221ec BZ |
460 | ret = -ENOENT; |
461 | goto done; | |
462 | } | |
463 | ||
464 | firmware = fw_firmware->data; | |
465 | firmwarelen = fw_firmware->size; | |
466 | ||
467 | BT_DBG("Downloading FW image (%d bytes)", firmwarelen); | |
468 | ||
469 | tmpfwbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
f8df39f1 | 470 | tmpfwbuf = kzalloc(tmpfwbufsz, GFP_KERNEL); |
789221ec BZ |
471 | if (!tmpfwbuf) { |
472 | BT_ERR("Unable to allocate buffer for firmware." | |
473 | " Terminating download"); | |
474 | ret = -ENOMEM; | |
475 | goto done; | |
476 | } | |
477 | ||
789221ec BZ |
478 | /* Ensure aligned firmware buffer */ |
479 | fwbuf = (u8 *) ALIGN_ADDR(tmpfwbuf, BTSDIO_DMA_ALIGN); | |
480 | ||
481 | /* Perform firmware data transfer */ | |
482 | offset = 0; | |
483 | do { | |
484 | ret = btmrvl_sdio_poll_card_status(card, | |
dcf47f3b | 485 | CARD_IO_READY | DN_LD_CARD_RDY); |
789221ec BZ |
486 | if (ret < 0) { |
487 | BT_ERR("FW download with helper poll status" | |
dcf47f3b | 488 | " timeout @ %d", offset); |
789221ec BZ |
489 | goto done; |
490 | } | |
491 | ||
492 | /* Check if there is more data ? */ | |
493 | if (offset >= firmwarelen) | |
494 | break; | |
495 | ||
496 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
497 | base0 = sdio_readb(card->func, | |
9f72c1d9 | 498 | card->reg->sq_read_base_addr_a0, &ret); |
789221ec BZ |
499 | if (ret) { |
500 | BT_ERR("BASE0 register read failed:" | |
501 | " base0 = 0x%04X(%d)." | |
502 | " Terminating download", | |
503 | base0, base0); | |
504 | ret = -EIO; | |
505 | goto done; | |
506 | } | |
507 | base1 = sdio_readb(card->func, | |
9f72c1d9 | 508 | card->reg->sq_read_base_addr_a1, &ret); |
789221ec BZ |
509 | if (ret) { |
510 | BT_ERR("BASE1 register read failed:" | |
511 | " base1 = 0x%04X(%d)." | |
512 | " Terminating download", | |
513 | base1, base1); | |
514 | ret = -EIO; | |
515 | goto done; | |
516 | } | |
517 | ||
518 | len = (((u16) base1) << 8) | base0; | |
519 | if (len) | |
520 | break; | |
521 | ||
522 | udelay(10); | |
523 | } | |
524 | ||
525 | if (!len) | |
526 | break; | |
527 | else if (len > BTM_UPLD_SIZE) { | |
528 | BT_ERR("FW download failure @%d, invalid length %d", | |
dcf47f3b | 529 | offset, len); |
789221ec BZ |
530 | ret = -EINVAL; |
531 | goto done; | |
532 | } | |
533 | ||
534 | txlen = len; | |
535 | ||
536 | if (len & BIT(0)) { | |
537 | count++; | |
538 | if (count > MAX_WRITE_IOMEM_RETRY) { | |
539 | BT_ERR("FW download failure @%d, " | |
540 | "over max retry count", offset); | |
541 | ret = -EIO; | |
542 | goto done; | |
543 | } | |
544 | BT_ERR("FW CRC error indicated by the helper: " | |
545 | "len = 0x%04X, txlen = %d", len, txlen); | |
546 | len &= ~BIT(0); | |
547 | /* Set txlen to 0 so as to resend from same offset */ | |
548 | txlen = 0; | |
549 | } else { | |
550 | count = 0; | |
551 | ||
552 | /* Last block ? */ | |
553 | if (firmwarelen - offset < txlen) | |
554 | txlen = firmwarelen - offset; | |
555 | ||
ba34dd3d | 556 | tx_blocks = DIV_ROUND_UP(txlen, blksz_dl); |
789221ec BZ |
557 | |
558 | memcpy(fwbuf, &firmware[offset], txlen); | |
559 | } | |
560 | ||
561 | ret = sdio_writesb(card->func, card->ioport, fwbuf, | |
9f72c1d9 | 562 | tx_blocks * blksz_dl); |
789221ec BZ |
563 | |
564 | if (ret < 0) { | |
565 | BT_ERR("FW download, writesb(%d) failed @%d", | |
dcf47f3b | 566 | count, offset); |
9f72c1d9 KG |
567 | sdio_writeb(card->func, HOST_CMD53_FIN, |
568 | card->reg->cfg, &ret); | |
789221ec BZ |
569 | if (ret) |
570 | BT_ERR("writeb failed (CFG)"); | |
571 | } | |
572 | ||
573 | offset += txlen; | |
574 | } while (true); | |
575 | ||
1c6098eb | 576 | BT_INFO("FW download over, size %d bytes", offset); |
789221ec BZ |
577 | |
578 | ret = 0; | |
579 | ||
580 | done: | |
581 | kfree(tmpfwbuf); | |
59f34fb3 | 582 | release_firmware(fw_firmware); |
789221ec BZ |
583 | return ret; |
584 | } | |
585 | ||
586 | static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv) | |
587 | { | |
588 | u16 buf_len = 0; | |
42632805 | 589 | int ret, num_blocks, blksz; |
789221ec BZ |
590 | struct sk_buff *skb = NULL; |
591 | u32 type; | |
592 | u8 *payload = NULL; | |
593 | struct hci_dev *hdev = priv->btmrvl_dev.hcidev; | |
594 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
595 | ||
789221ec BZ |
596 | if (!card || !card->func) { |
597 | BT_ERR("card or function is NULL!"); | |
598 | ret = -EINVAL; | |
599 | goto exit; | |
600 | } | |
601 | ||
602 | /* Read the length of data to be transferred */ | |
603 | ret = btmrvl_sdio_read_rx_len(card, &buf_len); | |
604 | if (ret < 0) { | |
605 | BT_ERR("read rx_len failed"); | |
606 | ret = -EIO; | |
607 | goto exit; | |
608 | } | |
609 | ||
610 | blksz = SDIO_BLOCK_SIZE; | |
e678bad5 | 611 | num_blocks = DIV_ROUND_UP(buf_len, blksz); |
789221ec BZ |
612 | |
613 | if (buf_len <= SDIO_HEADER_LEN | |
42632805 | 614 | || (num_blocks * blksz) > ALLOC_BUF_SIZE) { |
789221ec BZ |
615 | BT_ERR("invalid packet length: %d", buf_len); |
616 | ret = -EINVAL; | |
617 | goto exit; | |
618 | } | |
619 | ||
620 | /* Allocate buffer */ | |
42632805 | 621 | skb = bt_skb_alloc(num_blocks * blksz + BTSDIO_DMA_ALIGN, GFP_ATOMIC); |
789221ec BZ |
622 | if (skb == NULL) { |
623 | BT_ERR("No free skb"); | |
6ea81c41 | 624 | ret = -ENOMEM; |
789221ec BZ |
625 | goto exit; |
626 | } | |
627 | ||
3318b236 BZ |
628 | if ((unsigned long) skb->data & (BTSDIO_DMA_ALIGN - 1)) { |
629 | skb_put(skb, (unsigned long) skb->data & | |
630 | (BTSDIO_DMA_ALIGN - 1)); | |
631 | skb_pull(skb, (unsigned long) skb->data & | |
632 | (BTSDIO_DMA_ALIGN - 1)); | |
789221ec BZ |
633 | } |
634 | ||
3318b236 | 635 | payload = skb->data; |
789221ec BZ |
636 | |
637 | ret = sdio_readsb(card->func, payload, card->ioport, | |
42632805 | 638 | num_blocks * blksz); |
789221ec BZ |
639 | if (ret < 0) { |
640 | BT_ERR("readsb failed: %d", ret); | |
641 | ret = -EIO; | |
642 | goto exit; | |
643 | } | |
644 | ||
645 | /* This is SDIO specific header length: byte[2][1][0], type: byte[3] | |
646 | * (HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor) | |
647 | */ | |
648 | ||
649 | buf_len = payload[0]; | |
9cb23dd4 AE |
650 | buf_len |= payload[1] << 8; |
651 | buf_len |= payload[2] << 16; | |
652 | ||
653 | if (buf_len > blksz * num_blocks) { | |
654 | BT_ERR("Skip incorrect packet: hdrlen %d buffer %d", | |
655 | buf_len, blksz * num_blocks); | |
656 | ret = -EIO; | |
657 | goto exit; | |
658 | } | |
659 | ||
789221ec BZ |
660 | type = payload[3]; |
661 | ||
662 | switch (type) { | |
663 | case HCI_ACLDATA_PKT: | |
664 | case HCI_SCODATA_PKT: | |
665 | case HCI_EVENT_PKT: | |
666 | bt_cb(skb)->pkt_type = type; | |
789221ec BZ |
667 | skb_put(skb, buf_len); |
668 | skb_pull(skb, SDIO_HEADER_LEN); | |
669 | ||
ea1e76a3 AE |
670 | if (type == HCI_EVENT_PKT) { |
671 | if (btmrvl_check_evtpkt(priv, skb)) | |
e1a26170 | 672 | hci_recv_frame(hdev, skb); |
2c2453f3 | 673 | } else { |
e1a26170 | 674 | hci_recv_frame(hdev, skb); |
2c2453f3 | 675 | } |
789221ec | 676 | |
789221ec BZ |
677 | hdev->stat.byte_rx += buf_len; |
678 | break; | |
679 | ||
680 | case MRVL_VENDOR_PKT: | |
681 | bt_cb(skb)->pkt_type = HCI_VENDOR_PKT; | |
789221ec BZ |
682 | skb_put(skb, buf_len); |
683 | skb_pull(skb, SDIO_HEADER_LEN); | |
684 | ||
685 | if (btmrvl_process_event(priv, skb)) | |
e1a26170 | 686 | hci_recv_frame(hdev, skb); |
789221ec BZ |
687 | |
688 | hdev->stat.byte_rx += buf_len; | |
689 | break; | |
690 | ||
691 | default: | |
af901ca1 | 692 | BT_ERR("Unknown packet type:%d", type); |
78c1b8e8 | 693 | BT_ERR("hex: %*ph", blksz * num_blocks, payload); |
789221ec BZ |
694 | |
695 | kfree_skb(skb); | |
696 | skb = NULL; | |
697 | break; | |
698 | } | |
699 | ||
700 | exit: | |
701 | if (ret) { | |
702 | hdev->stat.err_rx++; | |
7923296f | 703 | kfree_skb(skb); |
789221ec BZ |
704 | } |
705 | ||
789221ec BZ |
706 | return ret; |
707 | } | |
708 | ||
d1d10d78 | 709 | static int btmrvl_sdio_process_int_status(struct btmrvl_private *priv) |
789221ec | 710 | { |
d1d10d78 AK |
711 | ulong flags; |
712 | u8 ireg; | |
789221ec BZ |
713 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; |
714 | ||
d1d10d78 AK |
715 | spin_lock_irqsave(&priv->driver_lock, flags); |
716 | ireg = sdio_ireg; | |
717 | sdio_ireg = 0; | |
718 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
789221ec | 719 | |
d1d10d78 AK |
720 | sdio_claim_host(card->func); |
721 | if (ireg & DN_LD_HOST_INT_STATUS) { | |
789221ec BZ |
722 | if (priv->btmrvl_dev.tx_dnld_rdy) |
723 | BT_DBG("tx_done already received: " | |
d1d10d78 | 724 | " int_status=0x%x", ireg); |
789221ec BZ |
725 | else |
726 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
727 | } | |
728 | ||
d1d10d78 | 729 | if (ireg & UP_LD_HOST_INT_STATUS) |
789221ec BZ |
730 | btmrvl_sdio_card_to_host(priv); |
731 | ||
d1d10d78 | 732 | sdio_release_host(card->func); |
789221ec | 733 | |
d1d10d78 | 734 | return 0; |
789221ec BZ |
735 | } |
736 | ||
0d367408 BZ |
737 | static int btmrvl_sdio_read_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
738 | { | |
739 | struct btmrvl_adapter *adapter = card->priv->adapter; | |
740 | int ret; | |
741 | ||
742 | ret = sdio_readsb(card->func, adapter->hw_regs, 0, SDIO_BLOCK_SIZE); | |
743 | if (ret) { | |
744 | BT_ERR("sdio_readsb: read int hw_regs failed: %d", ret); | |
745 | return ret; | |
746 | } | |
747 | ||
748 | *ireg = adapter->hw_regs[card->reg->host_intstatus]; | |
749 | BT_DBG("hw_regs[%#x]=%#x", card->reg->host_intstatus, *ireg); | |
750 | ||
751 | return 0; | |
752 | } | |
753 | ||
8af4840a BZ |
754 | static int btmrvl_sdio_write_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
755 | { | |
756 | int ret; | |
757 | ||
758 | *ireg = sdio_readb(card->func, card->reg->host_intstatus, &ret); | |
759 | if (ret) { | |
760 | BT_ERR("sdio_readb: read int status failed: %d", ret); | |
761 | return ret; | |
762 | } | |
763 | ||
764 | if (*ireg) { | |
765 | /* | |
766 | * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS | |
767 | * Clear the interrupt status register and re-enable the | |
768 | * interrupt. | |
769 | */ | |
770 | BT_DBG("int_status = 0x%x", *ireg); | |
771 | ||
772 | sdio_writeb(card->func, ~(*ireg) & (DN_LD_HOST_INT_STATUS | | |
773 | UP_LD_HOST_INT_STATUS), | |
774 | card->reg->host_intstatus, &ret); | |
775 | if (ret) { | |
776 | BT_ERR("sdio_writeb: clear int status failed: %d", ret); | |
777 | return ret; | |
778 | } | |
779 | } | |
780 | ||
781 | return 0; | |
782 | } | |
783 | ||
789221ec BZ |
784 | static void btmrvl_sdio_interrupt(struct sdio_func *func) |
785 | { | |
786 | struct btmrvl_private *priv; | |
789221ec | 787 | struct btmrvl_sdio_card *card; |
d1d10d78 | 788 | ulong flags; |
789221ec | 789 | u8 ireg = 0; |
d1d10d78 | 790 | int ret; |
789221ec | 791 | |
789221ec | 792 | card = sdio_get_drvdata(func); |
d1d10d78 | 793 | if (!card || !card->priv) { |
7365d475 AK |
794 | BT_ERR("sbi_interrupt(%p) card or priv is NULL, card=%p", |
795 | func, card); | |
d1d10d78 AK |
796 | return; |
797 | } | |
789221ec | 798 | |
d1d10d78 | 799 | priv = card->priv; |
789221ec | 800 | |
7b4b8740 AK |
801 | if (priv->surprise_removed) |
802 | return; | |
803 | ||
0d367408 BZ |
804 | if (card->reg->int_read_to_clear) |
805 | ret = btmrvl_sdio_read_to_clear(card, &ireg); | |
806 | else | |
807 | ret = btmrvl_sdio_write_to_clear(card, &ireg); | |
808 | ||
8af4840a | 809 | if (ret) |
d1d10d78 | 810 | return; |
d1d10d78 AK |
811 | |
812 | spin_lock_irqsave(&priv->driver_lock, flags); | |
813 | sdio_ireg |= ireg; | |
814 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
815 | ||
816 | btmrvl_interrupt(priv); | |
789221ec BZ |
817 | } |
818 | ||
819 | static int btmrvl_sdio_register_dev(struct btmrvl_sdio_card *card) | |
820 | { | |
789221ec | 821 | struct sdio_func *func; |
dcf47f3b MH |
822 | u8 reg; |
823 | int ret = 0; | |
789221ec | 824 | |
789221ec BZ |
825 | if (!card || !card->func) { |
826 | BT_ERR("Error: card or function is NULL!"); | |
827 | ret = -EINVAL; | |
828 | goto failed; | |
829 | } | |
830 | ||
831 | func = card->func; | |
832 | ||
789221ec BZ |
833 | sdio_claim_host(func); |
834 | ||
835 | ret = sdio_enable_func(func); | |
836 | if (ret) { | |
837 | BT_ERR("sdio_enable_func() failed: ret=%d", ret); | |
838 | ret = -EIO; | |
839 | goto release_host; | |
840 | } | |
841 | ||
842 | ret = sdio_claim_irq(func, btmrvl_sdio_interrupt); | |
843 | if (ret) { | |
844 | BT_ERR("sdio_claim_irq failed: ret=%d", ret); | |
845 | ret = -EIO; | |
846 | goto disable_func; | |
847 | } | |
848 | ||
849 | ret = sdio_set_block_size(card->func, SDIO_BLOCK_SIZE); | |
850 | if (ret) { | |
851 | BT_ERR("cannot set SDIO block size"); | |
852 | ret = -EIO; | |
853 | goto release_irq; | |
854 | } | |
855 | ||
9f72c1d9 | 856 | reg = sdio_readb(func, card->reg->io_port_0, &ret); |
789221ec BZ |
857 | if (ret < 0) { |
858 | ret = -EIO; | |
859 | goto release_irq; | |
860 | } | |
861 | ||
862 | card->ioport = reg; | |
863 | ||
9f72c1d9 | 864 | reg = sdio_readb(func, card->reg->io_port_1, &ret); |
789221ec BZ |
865 | if (ret < 0) { |
866 | ret = -EIO; | |
867 | goto release_irq; | |
868 | } | |
869 | ||
870 | card->ioport |= (reg << 8); | |
871 | ||
9f72c1d9 | 872 | reg = sdio_readb(func, card->reg->io_port_2, &ret); |
789221ec BZ |
873 | if (ret < 0) { |
874 | ret = -EIO; | |
875 | goto release_irq; | |
876 | } | |
877 | ||
878 | card->ioport |= (reg << 16); | |
879 | ||
880 | BT_DBG("SDIO FUNC%d IO port: 0x%x", func->num, card->ioport); | |
881 | ||
0d367408 BZ |
882 | if (card->reg->int_read_to_clear) { |
883 | reg = sdio_readb(func, card->reg->host_int_rsr, &ret); | |
884 | if (ret < 0) { | |
885 | ret = -EIO; | |
886 | goto release_irq; | |
887 | } | |
888 | sdio_writeb(func, reg | 0x3f, card->reg->host_int_rsr, &ret); | |
889 | if (ret < 0) { | |
890 | ret = -EIO; | |
891 | goto release_irq; | |
892 | } | |
893 | ||
894 | reg = sdio_readb(func, card->reg->card_misc_cfg, &ret); | |
895 | if (ret < 0) { | |
896 | ret = -EIO; | |
897 | goto release_irq; | |
898 | } | |
899 | sdio_writeb(func, reg | 0x10, card->reg->card_misc_cfg, &ret); | |
900 | if (ret < 0) { | |
901 | ret = -EIO; | |
902 | goto release_irq; | |
903 | } | |
904 | } | |
905 | ||
789221ec BZ |
906 | sdio_set_drvdata(func, card); |
907 | ||
908 | sdio_release_host(func); | |
909 | ||
789221ec BZ |
910 | return 0; |
911 | ||
912 | release_irq: | |
913 | sdio_release_irq(func); | |
914 | ||
915 | disable_func: | |
916 | sdio_disable_func(func); | |
917 | ||
918 | release_host: | |
919 | sdio_release_host(func); | |
920 | ||
921 | failed: | |
789221ec BZ |
922 | return ret; |
923 | } | |
924 | ||
925 | static int btmrvl_sdio_unregister_dev(struct btmrvl_sdio_card *card) | |
926 | { | |
789221ec BZ |
927 | if (card && card->func) { |
928 | sdio_claim_host(card->func); | |
929 | sdio_release_irq(card->func); | |
930 | sdio_disable_func(card->func); | |
931 | sdio_release_host(card->func); | |
932 | sdio_set_drvdata(card->func, NULL); | |
933 | } | |
934 | ||
789221ec BZ |
935 | return 0; |
936 | } | |
937 | ||
938 | static int btmrvl_sdio_enable_host_int(struct btmrvl_sdio_card *card) | |
939 | { | |
940 | int ret; | |
941 | ||
9374253f | 942 | if (!card || !card->func) |
789221ec | 943 | return -EINVAL; |
789221ec BZ |
944 | |
945 | sdio_claim_host(card->func); | |
946 | ||
947 | ret = btmrvl_sdio_enable_host_int_mask(card, HIM_ENABLE); | |
948 | ||
949 | btmrvl_sdio_get_rx_unit(card); | |
950 | ||
951 | sdio_release_host(card->func); | |
952 | ||
789221ec BZ |
953 | return ret; |
954 | } | |
955 | ||
956 | static int btmrvl_sdio_disable_host_int(struct btmrvl_sdio_card *card) | |
957 | { | |
958 | int ret; | |
959 | ||
9374253f | 960 | if (!card || !card->func) |
789221ec | 961 | return -EINVAL; |
789221ec BZ |
962 | |
963 | sdio_claim_host(card->func); | |
964 | ||
965 | ret = btmrvl_sdio_disable_host_int_mask(card, HIM_DISABLE); | |
966 | ||
967 | sdio_release_host(card->func); | |
968 | ||
789221ec BZ |
969 | return ret; |
970 | } | |
971 | ||
972 | static int btmrvl_sdio_host_to_card(struct btmrvl_private *priv, | |
973 | u8 *payload, u16 nb) | |
974 | { | |
975 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
976 | int ret = 0; | |
977 | int buf_block_len; | |
978 | int blksz; | |
979 | int i = 0; | |
980 | u8 *buf = NULL; | |
981 | void *tmpbuf = NULL; | |
982 | int tmpbufsz; | |
983 | ||
789221ec BZ |
984 | if (!card || !card->func) { |
985 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
986 | return -EINVAL; |
987 | } | |
988 | ||
989 | buf = payload; | |
3318b236 | 990 | if ((unsigned long) payload & (BTSDIO_DMA_ALIGN - 1)) { |
789221ec | 991 | tmpbufsz = ALIGN_SZ(nb, BTSDIO_DMA_ALIGN); |
5959809d JL |
992 | tmpbuf = kzalloc(tmpbufsz, GFP_KERNEL); |
993 | if (!tmpbuf) | |
994 | return -ENOMEM; | |
789221ec BZ |
995 | buf = (u8 *) ALIGN_ADDR(tmpbuf, BTSDIO_DMA_ALIGN); |
996 | memcpy(buf, payload, nb); | |
997 | } | |
998 | ||
999 | blksz = SDIO_BLOCK_SIZE; | |
ba34dd3d | 1000 | buf_block_len = DIV_ROUND_UP(nb, blksz); |
789221ec BZ |
1001 | |
1002 | sdio_claim_host(card->func); | |
1003 | ||
1004 | do { | |
1005 | /* Transfer data to card */ | |
1006 | ret = sdio_writesb(card->func, card->ioport, buf, | |
1007 | buf_block_len * blksz); | |
1008 | if (ret < 0) { | |
1009 | i++; | |
1010 | BT_ERR("i=%d writesb failed: %d", i, ret); | |
78c1b8e8 | 1011 | BT_ERR("hex: %*ph", nb, payload); |
789221ec BZ |
1012 | ret = -EIO; |
1013 | if (i > MAX_WRITE_IOMEM_RETRY) | |
1014 | goto exit; | |
1015 | } | |
1016 | } while (ret); | |
1017 | ||
1018 | priv->btmrvl_dev.tx_dnld_rdy = false; | |
1019 | ||
1020 | exit: | |
1021 | sdio_release_host(card->func); | |
88d1a0cf | 1022 | kfree(tmpbuf); |
789221ec | 1023 | |
789221ec BZ |
1024 | return ret; |
1025 | } | |
1026 | ||
1027 | static int btmrvl_sdio_download_fw(struct btmrvl_sdio_card *card) | |
1028 | { | |
faff7f74 | 1029 | int ret; |
9f72c1d9 KG |
1030 | u8 fws0; |
1031 | int pollnum = MAX_POLL_TRIES; | |
789221ec | 1032 | |
789221ec BZ |
1033 | if (!card || !card->func) { |
1034 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1035 | return -EINVAL; |
1036 | } | |
789221ec BZ |
1037 | |
1038 | if (!btmrvl_sdio_verify_fw_download(card, 1)) { | |
1039 | BT_DBG("Firmware already downloaded!"); | |
c1c999e2 | 1040 | return 0; |
789221ec BZ |
1041 | } |
1042 | ||
c1c999e2 AF |
1043 | sdio_claim_host(card->func); |
1044 | ||
9f72c1d9 KG |
1045 | /* Check if other function driver is downloading the firmware */ |
1046 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); | |
789221ec | 1047 | if (ret) { |
9f72c1d9 | 1048 | BT_ERR("Failed to read FW downloading status!"); |
789221ec BZ |
1049 | ret = -EIO; |
1050 | goto done; | |
1051 | } | |
9f72c1d9 KG |
1052 | if (fws0) { |
1053 | BT_DBG("BT not the winner (%#x). Skip FW downloading", fws0); | |
1054 | ||
1055 | /* Give other function more time to download the firmware */ | |
1056 | pollnum *= 10; | |
1057 | } else { | |
1058 | if (card->helper) { | |
1059 | ret = btmrvl_sdio_download_helper(card); | |
1060 | if (ret) { | |
1061 | BT_ERR("Failed to download helper!"); | |
1062 | ret = -EIO; | |
1063 | goto done; | |
1064 | } | |
1065 | } | |
789221ec | 1066 | |
9f72c1d9 KG |
1067 | if (btmrvl_sdio_download_fw_w_helper(card)) { |
1068 | BT_ERR("Failed to download firmware!"); | |
1069 | ret = -EIO; | |
1070 | goto done; | |
1071 | } | |
789221ec BZ |
1072 | } |
1073 | ||
69676b1c AF |
1074 | /* |
1075 | * winner or not, with this test the FW synchronizes when the | |
1076 | * module can continue its initialization | |
1077 | */ | |
9f72c1d9 | 1078 | if (btmrvl_sdio_verify_fw_download(card, pollnum)) { |
789221ec | 1079 | BT_ERR("FW failed to be active in time!"); |
c1c999e2 | 1080 | return -ETIMEDOUT; |
789221ec BZ |
1081 | } |
1082 | ||
4863e4cc AN |
1083 | sdio_release_host(card->func); |
1084 | ||
c1c999e2 AF |
1085 | return 0; |
1086 | ||
789221ec BZ |
1087 | done: |
1088 | sdio_release_host(card->func); | |
789221ec BZ |
1089 | return ret; |
1090 | } | |
1091 | ||
1092 | static int btmrvl_sdio_wakeup_fw(struct btmrvl_private *priv) | |
1093 | { | |
1094 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1095 | int ret = 0; | |
1096 | ||
789221ec BZ |
1097 | if (!card || !card->func) { |
1098 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1099 | return -EINVAL; |
1100 | } | |
1101 | ||
1102 | sdio_claim_host(card->func); | |
1103 | ||
9f72c1d9 | 1104 | sdio_writeb(card->func, HOST_POWER_UP, card->reg->cfg, &ret); |
789221ec BZ |
1105 | |
1106 | sdio_release_host(card->func); | |
1107 | ||
1108 | BT_DBG("wake up firmware"); | |
1109 | ||
789221ec BZ |
1110 | return ret; |
1111 | } | |
1112 | ||
dc759613 XH |
1113 | static void btmrvl_sdio_dump_regs(struct btmrvl_private *priv) |
1114 | { | |
1115 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1116 | int ret = 0; | |
1117 | unsigned int reg, reg_start, reg_end; | |
1118 | char buf[256], *ptr; | |
1119 | u8 loop, func, data; | |
1120 | int MAX_LOOP = 2; | |
1121 | ||
1122 | btmrvl_sdio_wakeup_fw(priv); | |
1123 | sdio_claim_host(card->func); | |
1124 | ||
1125 | for (loop = 0; loop < MAX_LOOP; loop++) { | |
1126 | memset(buf, 0, sizeof(buf)); | |
1127 | ptr = buf; | |
1128 | ||
1129 | if (loop == 0) { | |
1130 | /* Read the registers of SDIO function0 */ | |
1131 | func = loop; | |
1132 | reg_start = 0; | |
1133 | reg_end = 9; | |
1134 | } else { | |
1135 | func = 2; | |
1136 | reg_start = 0; | |
1137 | reg_end = 0x09; | |
1138 | } | |
1139 | ||
1140 | ptr += sprintf(ptr, "SDIO Func%d (%#x-%#x): ", | |
1141 | func, reg_start, reg_end); | |
1142 | for (reg = reg_start; reg <= reg_end; reg++) { | |
1143 | if (func == 0) | |
1144 | data = sdio_f0_readb(card->func, reg, &ret); | |
1145 | else | |
1146 | data = sdio_readb(card->func, reg, &ret); | |
1147 | ||
1148 | if (!ret) { | |
1149 | ptr += sprintf(ptr, "%02x ", data); | |
1150 | } else { | |
1151 | ptr += sprintf(ptr, "ERR"); | |
1152 | break; | |
1153 | } | |
1154 | } | |
1155 | ||
1156 | BT_INFO("%s", buf); | |
1157 | } | |
1158 | ||
1159 | sdio_release_host(card->func); | |
1160 | } | |
1161 | ||
1162 | /* This function read/write firmware */ | |
1163 | static enum | |
1164 | rdwr_status btmrvl_sdio_rdwr_firmware(struct btmrvl_private *priv, | |
1165 | u8 doneflag) | |
1166 | { | |
1167 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1168 | int ret, tries; | |
1169 | u8 ctrl_data = 0; | |
1170 | ||
1171 | sdio_writeb(card->func, FW_DUMP_HOST_READY, card->reg->fw_dump_ctrl, | |
1172 | &ret); | |
1173 | ||
1174 | if (ret) { | |
1175 | BT_ERR("SDIO write err"); | |
1176 | return RDWR_STATUS_FAILURE; | |
1177 | } | |
1178 | ||
1179 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
1180 | ctrl_data = sdio_readb(card->func, card->reg->fw_dump_ctrl, | |
1181 | &ret); | |
1182 | ||
1183 | if (ret) { | |
1184 | BT_ERR("SDIO read err"); | |
1185 | return RDWR_STATUS_FAILURE; | |
1186 | } | |
1187 | ||
1188 | if (ctrl_data == FW_DUMP_DONE) | |
1189 | break; | |
1190 | if (doneflag && ctrl_data == doneflag) | |
1191 | return RDWR_STATUS_DONE; | |
1192 | if (ctrl_data != FW_DUMP_HOST_READY) { | |
1193 | BT_INFO("The ctrl reg was changed, re-try again!"); | |
1194 | sdio_writeb(card->func, FW_DUMP_HOST_READY, | |
1195 | card->reg->fw_dump_ctrl, &ret); | |
1196 | if (ret) { | |
1197 | BT_ERR("SDIO write err"); | |
1198 | return RDWR_STATUS_FAILURE; | |
1199 | } | |
1200 | } | |
1201 | usleep_range(100, 200); | |
1202 | } | |
1203 | ||
1204 | if (ctrl_data == FW_DUMP_HOST_READY) { | |
1205 | BT_ERR("Fail to pull ctrl_data"); | |
1206 | return RDWR_STATUS_FAILURE; | |
1207 | } | |
1208 | ||
1209 | return RDWR_STATUS_SUCCESS; | |
1210 | } | |
1211 | ||
1212 | /* This function dump sdio register and memory data */ | |
1213 | static void btmrvl_sdio_dump_firmware(struct btmrvl_private *priv) | |
1214 | { | |
1215 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1216 | int ret = 0; | |
1217 | unsigned int reg, reg_start, reg_end; | |
1218 | enum rdwr_status stat; | |
1219 | u8 *dbg_ptr, *end_ptr, *fw_dump_data, *fw_dump_ptr; | |
a1e85f04 | 1220 | u8 dump_num = 0, idx, i, read_reg, doneflag = 0; |
dc759613 XH |
1221 | u32 memory_size, fw_dump_len = 0; |
1222 | ||
1223 | /* dump sdio register first */ | |
1224 | btmrvl_sdio_dump_regs(priv); | |
1225 | ||
1226 | if (!card->supports_fw_dump) { | |
1227 | BT_ERR("Firmware dump not supported for this card!"); | |
1228 | return; | |
1229 | } | |
1230 | ||
1231 | for (idx = 0; idx < ARRAY_SIZE(mem_type_mapping_tbl); idx++) { | |
1232 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1233 | ||
1234 | if (entry->mem_ptr) { | |
1235 | vfree(entry->mem_ptr); | |
1236 | entry->mem_ptr = NULL; | |
1237 | } | |
1238 | entry->mem_size = 0; | |
1239 | } | |
1240 | ||
1241 | btmrvl_sdio_wakeup_fw(priv); | |
1242 | sdio_claim_host(card->func); | |
1243 | ||
1244 | BT_INFO("== btmrvl firmware dump start =="); | |
1245 | ||
1246 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1247 | if (stat == RDWR_STATUS_FAILURE) | |
1248 | goto done; | |
1249 | ||
1250 | reg = card->reg->fw_dump_start; | |
1251 | /* Read the number of the memories which will dump */ | |
1252 | dump_num = sdio_readb(card->func, reg, &ret); | |
1253 | ||
1254 | if (ret) { | |
1255 | BT_ERR("SDIO read memory length err"); | |
1256 | goto done; | |
1257 | } | |
1258 | ||
1259 | /* Read the length of every memory which will dump */ | |
1260 | for (idx = 0; idx < dump_num; idx++) { | |
1261 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1262 | ||
1263 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1264 | if (stat == RDWR_STATUS_FAILURE) | |
1265 | goto done; | |
1266 | ||
1267 | memory_size = 0; | |
1268 | reg = card->reg->fw_dump_start; | |
1269 | for (i = 0; i < 4; i++) { | |
1270 | read_reg = sdio_readb(card->func, reg, &ret); | |
1271 | if (ret) { | |
1272 | BT_ERR("SDIO read err"); | |
1273 | goto done; | |
1274 | } | |
1275 | memory_size |= (read_reg << i*8); | |
1276 | reg++; | |
1277 | } | |
1278 | ||
1279 | if (memory_size == 0) { | |
1280 | BT_INFO("Firmware dump finished!"); | |
475b9eac NK |
1281 | sdio_writeb(card->func, FW_DUMP_READ_DONE, |
1282 | card->reg->fw_dump_ctrl, &ret); | |
1283 | if (ret) { | |
1284 | BT_ERR("SDIO Write MEMDUMP_FINISH ERR"); | |
1285 | goto done; | |
1286 | } | |
dc759613 XH |
1287 | break; |
1288 | } | |
1289 | ||
1290 | BT_INFO("%s_SIZE=0x%x", entry->mem_name, memory_size); | |
1291 | entry->mem_ptr = vzalloc(memory_size + 1); | |
1292 | entry->mem_size = memory_size; | |
1293 | if (!entry->mem_ptr) { | |
1294 | BT_ERR("Vzalloc %s failed", entry->mem_name); | |
1295 | goto done; | |
1296 | } | |
1297 | ||
1298 | fw_dump_len += (strlen("========Start dump ") + | |
1299 | strlen(entry->mem_name) + | |
1300 | strlen("========\n") + | |
1301 | (memory_size + 1) + | |
1302 | strlen("\n========End dump========\n")); | |
1303 | ||
1304 | dbg_ptr = entry->mem_ptr; | |
1305 | end_ptr = dbg_ptr + memory_size; | |
1306 | ||
1307 | doneflag = entry->done_flag; | |
1308 | BT_INFO("Start %s output, please wait...", | |
1309 | entry->mem_name); | |
1310 | ||
1311 | do { | |
1312 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1313 | if (stat == RDWR_STATUS_FAILURE) | |
1314 | goto done; | |
1315 | ||
1316 | reg_start = card->reg->fw_dump_start; | |
1317 | reg_end = card->reg->fw_dump_end; | |
1318 | for (reg = reg_start; reg <= reg_end; reg++) { | |
1319 | *dbg_ptr = sdio_readb(card->func, reg, &ret); | |
1320 | if (ret) { | |
1321 | BT_ERR("SDIO read err"); | |
1322 | goto done; | |
1323 | } | |
1324 | if (dbg_ptr < end_ptr) | |
1325 | dbg_ptr++; | |
1326 | else | |
1327 | BT_ERR("Allocated buffer not enough"); | |
1328 | } | |
1329 | ||
1330 | if (stat != RDWR_STATUS_DONE) { | |
1331 | continue; | |
1332 | } else { | |
1333 | BT_INFO("%s done: size=0x%tx", | |
1334 | entry->mem_name, | |
1335 | dbg_ptr - entry->mem_ptr); | |
1336 | break; | |
1337 | } | |
1338 | } while (1); | |
1339 | } | |
1340 | ||
1341 | BT_INFO("== btmrvl firmware dump end =="); | |
1342 | ||
1343 | done: | |
1344 | sdio_release_host(card->func); | |
1345 | ||
1346 | if (fw_dump_len == 0) | |
1347 | return; | |
1348 | ||
1349 | fw_dump_data = vzalloc(fw_dump_len+1); | |
1350 | if (!fw_dump_data) { | |
1351 | BT_ERR("Vzalloc fw_dump_data fail!"); | |
1352 | return; | |
1353 | } | |
1354 | fw_dump_ptr = fw_dump_data; | |
1355 | ||
1356 | /* Dump all the memory data into single file, a userspace script will | |
1357 | be used to split all the memory data to multiple files*/ | |
1358 | BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump start"); | |
1359 | for (idx = 0; idx < dump_num; idx++) { | |
1360 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1361 | ||
1362 | if (entry->mem_ptr) { | |
1363 | strcpy(fw_dump_ptr, "========Start dump "); | |
1364 | fw_dump_ptr += strlen("========Start dump "); | |
1365 | ||
1366 | strcpy(fw_dump_ptr, entry->mem_name); | |
1367 | fw_dump_ptr += strlen(entry->mem_name); | |
1368 | ||
1369 | strcpy(fw_dump_ptr, "========\n"); | |
1370 | fw_dump_ptr += strlen("========\n"); | |
1371 | ||
1372 | memcpy(fw_dump_ptr, entry->mem_ptr, entry->mem_size); | |
1373 | fw_dump_ptr += entry->mem_size; | |
1374 | ||
1375 | strcpy(fw_dump_ptr, "\n========End dump========\n"); | |
1376 | fw_dump_ptr += strlen("\n========End dump========\n"); | |
1377 | ||
1378 | vfree(mem_type_mapping_tbl[idx].mem_ptr); | |
1379 | mem_type_mapping_tbl[idx].mem_ptr = NULL; | |
1380 | } | |
1381 | } | |
1382 | ||
1383 | /* fw_dump_data will be free in device coredump release function | |
1384 | after 5 min*/ | |
d4902632 | 1385 | dev_coredumpv(&card->func->dev, fw_dump_data, fw_dump_len, GFP_KERNEL); |
dc759613 XH |
1386 | BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump end"); |
1387 | } | |
1388 | ||
789221ec | 1389 | static int btmrvl_sdio_probe(struct sdio_func *func, |
dcf47f3b | 1390 | const struct sdio_device_id *id) |
789221ec BZ |
1391 | { |
1392 | int ret = 0; | |
1393 | struct btmrvl_private *priv = NULL; | |
1394 | struct btmrvl_sdio_card *card = NULL; | |
1395 | ||
789221ec BZ |
1396 | BT_INFO("vendor=0x%x, device=0x%x, class=%d, fn=%d", |
1397 | id->vendor, id->device, id->class, func->num); | |
1398 | ||
eb17ea3b SK |
1399 | card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL); |
1400 | if (!card) | |
1401 | return -ENOMEM; | |
789221ec BZ |
1402 | |
1403 | card->func = func; | |
1404 | ||
dcf47f3b MH |
1405 | if (id->driver_data) { |
1406 | struct btmrvl_sdio_device *data = (void *) id->driver_data; | |
9f72c1d9 | 1407 | card->helper = data->helper; |
dcf47f3b | 1408 | card->firmware = data->firmware; |
9f72c1d9 KG |
1409 | card->reg = data->reg; |
1410 | card->sd_blksz_fw_dl = data->sd_blksz_fw_dl; | |
4df82b59 | 1411 | card->support_pscan_win_report = data->support_pscan_win_report; |
dc759613 | 1412 | card->supports_fw_dump = data->supports_fw_dump; |
dcf47f3b MH |
1413 | } |
1414 | ||
789221ec BZ |
1415 | if (btmrvl_sdio_register_dev(card) < 0) { |
1416 | BT_ERR("Failed to register BT device!"); | |
eb17ea3b | 1417 | return -ENODEV; |
789221ec BZ |
1418 | } |
1419 | ||
1420 | /* Disable the interrupts on the card */ | |
1421 | btmrvl_sdio_disable_host_int(card); | |
1422 | ||
1423 | if (btmrvl_sdio_download_fw(card)) { | |
1424 | BT_ERR("Downloading firmware failed!"); | |
1425 | ret = -ENODEV; | |
1426 | goto unreg_dev; | |
1427 | } | |
1428 | ||
789221ec BZ |
1429 | btmrvl_sdio_enable_host_int(card); |
1430 | ||
1431 | priv = btmrvl_add_card(card); | |
1432 | if (!priv) { | |
1433 | BT_ERR("Initializing card failed!"); | |
1434 | ret = -ENODEV; | |
1435 | goto disable_host_int; | |
1436 | } | |
1437 | ||
1438 | card->priv = priv; | |
1439 | ||
1440 | /* Initialize the interface specific function pointers */ | |
1441 | priv->hw_host_to_card = btmrvl_sdio_host_to_card; | |
1442 | priv->hw_wakeup_firmware = btmrvl_sdio_wakeup_fw; | |
d1d10d78 | 1443 | priv->hw_process_int_status = btmrvl_sdio_process_int_status; |
dc759613 | 1444 | priv->firmware_dump = btmrvl_sdio_dump_firmware; |
789221ec | 1445 | |
64061607 BZ |
1446 | if (btmrvl_register_hdev(priv)) { |
1447 | BT_ERR("Register hdev failed!"); | |
1448 | ret = -ENODEV; | |
1449 | goto disable_host_int; | |
1450 | } | |
1451 | ||
789221ec BZ |
1452 | return 0; |
1453 | ||
1454 | disable_host_int: | |
1455 | btmrvl_sdio_disable_host_int(card); | |
1456 | unreg_dev: | |
1457 | btmrvl_sdio_unregister_dev(card); | |
789221ec BZ |
1458 | return ret; |
1459 | } | |
1460 | ||
1461 | static void btmrvl_sdio_remove(struct sdio_func *func) | |
1462 | { | |
1463 | struct btmrvl_sdio_card *card; | |
1464 | ||
789221ec BZ |
1465 | if (func) { |
1466 | card = sdio_get_drvdata(func); | |
1467 | if (card) { | |
1468 | /* Send SHUTDOWN command & disable interrupt | |
1469 | * if user removes the module. | |
1470 | */ | |
1471 | if (user_rmmod) { | |
1472 | btmrvl_send_module_cfg_cmd(card->priv, | |
1473 | MODULE_SHUTDOWN_REQ); | |
1474 | btmrvl_sdio_disable_host_int(card); | |
1475 | } | |
1476 | BT_DBG("unregester dev"); | |
7b4b8740 | 1477 | card->priv->surprise_removed = true; |
789221ec BZ |
1478 | btmrvl_sdio_unregister_dev(card); |
1479 | btmrvl_remove_card(card->priv); | |
789221ec BZ |
1480 | } |
1481 | } | |
789221ec BZ |
1482 | } |
1483 | ||
ba54a16f AK |
1484 | static int btmrvl_sdio_suspend(struct device *dev) |
1485 | { | |
1486 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1487 | struct btmrvl_sdio_card *card; | |
1488 | struct btmrvl_private *priv; | |
1489 | mmc_pm_flag_t pm_flags; | |
1490 | struct hci_dev *hcidev; | |
1491 | ||
1492 | if (func) { | |
1493 | pm_flags = sdio_get_host_pm_caps(func); | |
1494 | BT_DBG("%s: suspend: PM flags = 0x%x", sdio_func_id(func), | |
1495 | pm_flags); | |
1496 | if (!(pm_flags & MMC_PM_KEEP_POWER)) { | |
1497 | BT_ERR("%s: cannot remain alive while suspended", | |
1498 | sdio_func_id(func)); | |
1499 | return -ENOSYS; | |
1500 | } | |
1501 | card = sdio_get_drvdata(func); | |
1502 | if (!card || !card->priv) { | |
1503 | BT_ERR("card or priv structure is not valid"); | |
1504 | return 0; | |
1505 | } | |
1506 | } else { | |
1507 | BT_ERR("sdio_func is not specified"); | |
1508 | return 0; | |
1509 | } | |
1510 | ||
1511 | priv = card->priv; | |
5bf8a748 CRL |
1512 | hcidev = priv->btmrvl_dev.hcidev; |
1513 | BT_DBG("%s: SDIO suspend", hcidev->name); | |
1514 | hci_suspend_dev(hcidev); | |
1515 | skb_queue_purge(&priv->adapter->tx_queue); | |
ba54a16f AK |
1516 | |
1517 | if (priv->adapter->hs_state != HS_ACTIVATED) { | |
1518 | if (btmrvl_enable_hs(priv)) { | |
1519 | BT_ERR("HS not actived, suspend failed!"); | |
1520 | return -EBUSY; | |
1521 | } | |
1522 | } | |
ba54a16f AK |
1523 | |
1524 | priv->adapter->is_suspended = true; | |
1525 | ||
1526 | /* We will keep the power when hs enabled successfully */ | |
1527 | if (priv->adapter->hs_state == HS_ACTIVATED) { | |
1528 | BT_DBG("suspend with MMC_PM_KEEP_POWER"); | |
1529 | return sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); | |
1530 | } else { | |
1531 | BT_DBG("suspend without MMC_PM_KEEP_POWER"); | |
1532 | return 0; | |
1533 | } | |
1534 | } | |
1535 | ||
1536 | static int btmrvl_sdio_resume(struct device *dev) | |
1537 | { | |
1538 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1539 | struct btmrvl_sdio_card *card; | |
1540 | struct btmrvl_private *priv; | |
1541 | mmc_pm_flag_t pm_flags; | |
1542 | struct hci_dev *hcidev; | |
1543 | ||
1544 | if (func) { | |
1545 | pm_flags = sdio_get_host_pm_caps(func); | |
1546 | BT_DBG("%s: resume: PM flags = 0x%x", sdio_func_id(func), | |
1547 | pm_flags); | |
1548 | card = sdio_get_drvdata(func); | |
1549 | if (!card || !card->priv) { | |
1550 | BT_ERR("card or priv structure is not valid"); | |
1551 | return 0; | |
1552 | } | |
1553 | } else { | |
1554 | BT_ERR("sdio_func is not specified"); | |
1555 | return 0; | |
1556 | } | |
1557 | priv = card->priv; | |
1558 | ||
1559 | if (!priv->adapter->is_suspended) { | |
1560 | BT_DBG("device already resumed"); | |
1561 | return 0; | |
1562 | } | |
1563 | ||
ba54a16f AK |
1564 | priv->hw_wakeup_firmware(priv); |
1565 | priv->adapter->hs_state = HS_DEACTIVATED; | |
5bf8a748 | 1566 | hcidev = priv->btmrvl_dev.hcidev; |
ba54a16f | 1567 | BT_DBG("%s: HS DEACTIVATED in resume!", hcidev->name); |
5bf8a748 CRL |
1568 | priv->adapter->is_suspended = false; |
1569 | BT_DBG("%s: SDIO resume", hcidev->name); | |
1570 | hci_resume_dev(hcidev); | |
ba54a16f AK |
1571 | |
1572 | return 0; | |
1573 | } | |
1574 | ||
1575 | static const struct dev_pm_ops btmrvl_sdio_pm_ops = { | |
1576 | .suspend = btmrvl_sdio_suspend, | |
1577 | .resume = btmrvl_sdio_resume, | |
1578 | }; | |
1579 | ||
789221ec BZ |
1580 | static struct sdio_driver bt_mrvl_sdio = { |
1581 | .name = "btmrvl_sdio", | |
1582 | .id_table = btmrvl_sdio_ids, | |
1583 | .probe = btmrvl_sdio_probe, | |
1584 | .remove = btmrvl_sdio_remove, | |
ba54a16f AK |
1585 | .drv = { |
1586 | .owner = THIS_MODULE, | |
1587 | .pm = &btmrvl_sdio_pm_ops, | |
1588 | } | |
789221ec BZ |
1589 | }; |
1590 | ||
8e5b2308 | 1591 | static int __init btmrvl_sdio_init_module(void) |
789221ec | 1592 | { |
789221ec BZ |
1593 | if (sdio_register_driver(&bt_mrvl_sdio) != 0) { |
1594 | BT_ERR("SDIO Driver Registration Failed"); | |
789221ec BZ |
1595 | return -ENODEV; |
1596 | } | |
1597 | ||
1598 | /* Clear the flag in case user removes the card. */ | |
1599 | user_rmmod = 0; | |
1600 | ||
789221ec BZ |
1601 | return 0; |
1602 | } | |
1603 | ||
8e5b2308 | 1604 | static void __exit btmrvl_sdio_exit_module(void) |
789221ec | 1605 | { |
789221ec BZ |
1606 | /* Set the flag as user is removing this module. */ |
1607 | user_rmmod = 1; | |
1608 | ||
1609 | sdio_unregister_driver(&bt_mrvl_sdio); | |
789221ec BZ |
1610 | } |
1611 | ||
1612 | module_init(btmrvl_sdio_init_module); | |
1613 | module_exit(btmrvl_sdio_exit_module); | |
1614 | ||
1615 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 1616 | MODULE_DESCRIPTION("Marvell BT-over-SDIO driver ver " VERSION); |
789221ec BZ |
1617 | MODULE_VERSION(VERSION); |
1618 | MODULE_LICENSE("GPL v2"); | |
77189df4 LR |
1619 | MODULE_FIRMWARE("mrvl/sd8688_helper.bin"); |
1620 | MODULE_FIRMWARE("mrvl/sd8688.bin"); | |
9f72c1d9 | 1621 | MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin"); |
2ac654f7 | 1622 | MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin"); |
3907d558 | 1623 | MODULE_FIRMWARE("mrvl/sd8887_uapsta.bin"); |
22f2efed | 1624 | MODULE_FIRMWARE("mrvl/sd8897_uapsta.bin"); |