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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 | ||
f0ef6748 AK |
149 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8997 = { |
150 | .cfg = 0x00, | |
151 | .host_int_mask = 0x08, | |
152 | .host_intstatus = 0x0c, | |
153 | .card_status = 0x5c, | |
154 | .sq_read_base_addr_a0 = 0xf8, | |
155 | .sq_read_base_addr_a1 = 0xf9, | |
156 | .card_revision = 0xc8, | |
157 | .card_fw_status0 = 0xe8, | |
158 | .card_fw_status1 = 0xe9, | |
159 | .card_rx_len = 0xea, | |
160 | .card_rx_unit = 0xeb, | |
161 | .io_port_0 = 0xe4, | |
162 | .io_port_1 = 0xe5, | |
163 | .io_port_2 = 0xe6, | |
164 | .int_read_to_clear = true, | |
165 | .host_int_rsr = 0x04, | |
166 | .card_misc_cfg = 0xD8, | |
167 | .fw_dump_ctrl = 0xf0, | |
168 | .fw_dump_start = 0xf1, | |
169 | .fw_dump_end = 0xf8, | |
170 | }; | |
171 | ||
c675786a | 172 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = { |
77189df4 LR |
173 | .helper = "mrvl/sd8688_helper.bin", |
174 | .firmware = "mrvl/sd8688.bin", | |
9f72c1d9 | 175 | .reg = &btmrvl_reg_8688, |
4df82b59 | 176 | .support_pscan_win_report = false, |
9f72c1d9 | 177 | .sd_blksz_fw_dl = 64, |
dc759613 | 178 | .supports_fw_dump = false, |
9f72c1d9 KG |
179 | }; |
180 | ||
181 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = { | |
182 | .helper = NULL, | |
183 | .firmware = "mrvl/sd8787_uapsta.bin", | |
2ac654f7 | 184 | .reg = &btmrvl_reg_87xx, |
4df82b59 | 185 | .support_pscan_win_report = false, |
2ac654f7 | 186 | .sd_blksz_fw_dl = 256, |
dc759613 | 187 | .supports_fw_dump = false, |
2ac654f7 BZ |
188 | }; |
189 | ||
190 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = { | |
191 | .helper = NULL, | |
192 | .firmware = "mrvl/sd8797_uapsta.bin", | |
193 | .reg = &btmrvl_reg_87xx, | |
4df82b59 | 194 | .support_pscan_win_report = false, |
9f72c1d9 | 195 | .sd_blksz_fw_dl = 256, |
dc759613 | 196 | .supports_fw_dump = false, |
789221ec BZ |
197 | }; |
198 | ||
3907d558 XH |
199 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8887 = { |
200 | .helper = NULL, | |
201 | .firmware = "mrvl/sd8887_uapsta.bin", | |
202 | .reg = &btmrvl_reg_8887, | |
203 | .support_pscan_win_report = true, | |
204 | .sd_blksz_fw_dl = 256, | |
dc759613 | 205 | .supports_fw_dump = false, |
3907d558 XH |
206 | }; |
207 | ||
22f2efed BZ |
208 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8897 = { |
209 | .helper = NULL, | |
210 | .firmware = "mrvl/sd8897_uapsta.bin", | |
1e3e492c | 211 | .reg = &btmrvl_reg_8897, |
4df82b59 | 212 | .support_pscan_win_report = true, |
22f2efed | 213 | .sd_blksz_fw_dl = 256, |
dc759613 | 214 | .supports_fw_dump = true, |
22f2efed BZ |
215 | }; |
216 | ||
f0ef6748 AK |
217 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8997 = { |
218 | .helper = NULL, | |
219 | .firmware = "mrvl/sd8997_uapsta.bin", | |
220 | .reg = &btmrvl_reg_8997, | |
221 | .support_pscan_win_report = true, | |
222 | .sd_blksz_fw_dl = 256, | |
223 | .supports_fw_dump = true, | |
224 | }; | |
225 | ||
dcf47f3b MH |
226 | static const struct sdio_device_id btmrvl_sdio_ids[] = { |
227 | /* Marvell SD8688 Bluetooth device */ | |
228 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9105), | |
53d6cfa5 | 229 | .driver_data = (unsigned long)&btmrvl_sdio_sd8688 }, |
9f72c1d9 KG |
230 | /* Marvell SD8787 Bluetooth device */ |
231 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A), | |
53d6cfa5 | 232 | .driver_data = (unsigned long)&btmrvl_sdio_sd8787 }, |
37ed561e BZ |
233 | /* Marvell SD8787 Bluetooth AMP device */ |
234 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911B), | |
53d6cfa5 | 235 | .driver_data = (unsigned long)&btmrvl_sdio_sd8787 }, |
2ac654f7 BZ |
236 | /* Marvell SD8797 Bluetooth device */ |
237 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A), | |
53d6cfa5 | 238 | .driver_data = (unsigned long)&btmrvl_sdio_sd8797 }, |
3907d558 XH |
239 | /* Marvell SD8887 Bluetooth device */ |
240 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9136), | |
241 | .driver_data = (unsigned long)&btmrvl_sdio_sd8887 }, | |
22f2efed BZ |
242 | /* Marvell SD8897 Bluetooth device */ |
243 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912E), | |
53d6cfa5 | 244 | .driver_data = (unsigned long)&btmrvl_sdio_sd8897 }, |
f0ef6748 AK |
245 | /* Marvell SD8997 Bluetooth device */ |
246 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9142), | |
247 | .driver_data = (unsigned long)&btmrvl_sdio_sd8997 }, | |
789221ec | 248 | |
dcf47f3b | 249 | { } /* Terminating entry */ |
789221ec BZ |
250 | }; |
251 | ||
dcf47f3b MH |
252 | MODULE_DEVICE_TABLE(sdio, btmrvl_sdio_ids); |
253 | ||
789221ec BZ |
254 | static int btmrvl_sdio_get_rx_unit(struct btmrvl_sdio_card *card) |
255 | { | |
256 | u8 reg; | |
257 | int ret; | |
258 | ||
9f72c1d9 | 259 | reg = sdio_readb(card->func, card->reg->card_rx_unit, &ret); |
789221ec BZ |
260 | if (!ret) |
261 | card->rx_unit = reg; | |
262 | ||
789221ec BZ |
263 | return ret; |
264 | } | |
265 | ||
266 | static int btmrvl_sdio_read_fw_status(struct btmrvl_sdio_card *card, u16 *dat) | |
267 | { | |
789221ec | 268 | u8 fws0, fws1; |
9374253f | 269 | int ret; |
789221ec BZ |
270 | |
271 | *dat = 0; | |
272 | ||
9f72c1d9 | 273 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); |
278be27f KV |
274 | if (ret) |
275 | return -EIO; | |
789221ec | 276 | |
9f72c1d9 | 277 | fws1 = sdio_readb(card->func, card->reg->card_fw_status1, &ret); |
9374253f | 278 | if (ret) |
789221ec | 279 | return -EIO; |
789221ec BZ |
280 | |
281 | *dat = (((u16) fws1) << 8) | fws0; | |
282 | ||
789221ec BZ |
283 | return 0; |
284 | } | |
285 | ||
286 | static int btmrvl_sdio_read_rx_len(struct btmrvl_sdio_card *card, u16 *dat) | |
287 | { | |
789221ec | 288 | u8 reg; |
9374253f | 289 | int ret; |
789221ec | 290 | |
9f72c1d9 | 291 | reg = sdio_readb(card->func, card->reg->card_rx_len, &ret); |
789221ec BZ |
292 | if (!ret) |
293 | *dat = (u16) reg << card->rx_unit; | |
294 | ||
789221ec BZ |
295 | return ret; |
296 | } | |
297 | ||
298 | static int btmrvl_sdio_enable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 299 | u8 mask) |
789221ec BZ |
300 | { |
301 | int ret; | |
302 | ||
9f72c1d9 | 303 | sdio_writeb(card->func, mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
304 | if (ret) { |
305 | BT_ERR("Unable to enable the host interrupt!"); | |
306 | ret = -EIO; | |
307 | } | |
308 | ||
789221ec BZ |
309 | return ret; |
310 | } | |
311 | ||
312 | static int btmrvl_sdio_disable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 313 | u8 mask) |
789221ec | 314 | { |
789221ec | 315 | u8 host_int_mask; |
9374253f | 316 | int ret; |
789221ec | 317 | |
9f72c1d9 | 318 | host_int_mask = sdio_readb(card->func, card->reg->host_int_mask, &ret); |
9374253f MH |
319 | if (ret) |
320 | return -EIO; | |
789221ec BZ |
321 | |
322 | host_int_mask &= ~mask; | |
323 | ||
9f72c1d9 | 324 | sdio_writeb(card->func, host_int_mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
325 | if (ret < 0) { |
326 | BT_ERR("Unable to disable the host interrupt!"); | |
9374253f | 327 | return -EIO; |
789221ec BZ |
328 | } |
329 | ||
9374253f | 330 | return 0; |
789221ec BZ |
331 | } |
332 | ||
333 | static int btmrvl_sdio_poll_card_status(struct btmrvl_sdio_card *card, u8 bits) | |
334 | { | |
335 | unsigned int tries; | |
789221ec | 336 | u8 status; |
9374253f | 337 | int ret; |
789221ec BZ |
338 | |
339 | for (tries = 0; tries < MAX_POLL_TRIES * 1000; tries++) { | |
9f72c1d9 | 340 | status = sdio_readb(card->func, card->reg->card_status, &ret); |
789221ec BZ |
341 | if (ret) |
342 | goto failed; | |
343 | if ((status & bits) == bits) | |
9374253f | 344 | return ret; |
789221ec BZ |
345 | |
346 | udelay(1); | |
347 | } | |
348 | ||
349 | ret = -ETIMEDOUT; | |
350 | ||
351 | failed: | |
352 | BT_ERR("FAILED! ret=%d", ret); | |
353 | ||
789221ec BZ |
354 | return ret; |
355 | } | |
356 | ||
357 | static int btmrvl_sdio_verify_fw_download(struct btmrvl_sdio_card *card, | |
dcf47f3b | 358 | int pollnum) |
789221ec | 359 | { |
789221ec | 360 | u16 firmwarestat; |
69676b1c | 361 | int tries, ret; |
789221ec | 362 | |
789221ec BZ |
363 | /* Wait for firmware to become ready */ |
364 | for (tries = 0; tries < pollnum; tries++) { | |
c1c999e2 AF |
365 | sdio_claim_host(card->func); |
366 | ret = btmrvl_sdio_read_fw_status(card, &firmwarestat); | |
367 | sdio_release_host(card->func); | |
368 | if (ret < 0) | |
789221ec BZ |
369 | continue; |
370 | ||
69676b1c AF |
371 | if (firmwarestat == FIRMWARE_READY) |
372 | return 0; | |
373 | ||
374 | msleep(10); | |
789221ec BZ |
375 | } |
376 | ||
69676b1c | 377 | return -ETIMEDOUT; |
789221ec BZ |
378 | } |
379 | ||
380 | static int btmrvl_sdio_download_helper(struct btmrvl_sdio_card *card) | |
381 | { | |
382 | const struct firmware *fw_helper = NULL; | |
383 | const u8 *helper = NULL; | |
384 | int ret; | |
385 | void *tmphlprbuf = NULL; | |
386 | int tmphlprbufsz, hlprblknow, helperlen; | |
387 | u8 *helperbuf; | |
388 | u32 tx_len; | |
389 | ||
789221ec | 390 | ret = request_firmware(&fw_helper, card->helper, |
dcf47f3b | 391 | &card->func->dev); |
789221ec BZ |
392 | if ((ret < 0) || !fw_helper) { |
393 | BT_ERR("request_firmware(helper) failed, error code = %d", | |
dcf47f3b | 394 | ret); |
789221ec BZ |
395 | ret = -ENOENT; |
396 | goto done; | |
397 | } | |
398 | ||
399 | helper = fw_helper->data; | |
400 | helperlen = fw_helper->size; | |
401 | ||
402 | BT_DBG("Downloading helper image (%d bytes), block size %d bytes", | |
dcf47f3b | 403 | helperlen, SDIO_BLOCK_SIZE); |
789221ec BZ |
404 | |
405 | tmphlprbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
406 | ||
f8df39f1 | 407 | tmphlprbuf = kzalloc(tmphlprbufsz, GFP_KERNEL); |
789221ec BZ |
408 | if (!tmphlprbuf) { |
409 | BT_ERR("Unable to allocate buffer for helper." | |
410 | " Terminating download"); | |
411 | ret = -ENOMEM; | |
412 | goto done; | |
413 | } | |
414 | ||
789221ec BZ |
415 | helperbuf = (u8 *) ALIGN_ADDR(tmphlprbuf, BTSDIO_DMA_ALIGN); |
416 | ||
417 | /* Perform helper data transfer */ | |
418 | tx_len = (FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE) | |
419 | - SDIO_HEADER_LEN; | |
420 | hlprblknow = 0; | |
421 | ||
422 | do { | |
423 | ret = btmrvl_sdio_poll_card_status(card, | |
424 | CARD_IO_READY | DN_LD_CARD_RDY); | |
425 | if (ret < 0) { | |
426 | BT_ERR("Helper download poll status timeout @ %d", | |
427 | hlprblknow); | |
428 | goto done; | |
429 | } | |
430 | ||
431 | /* Check if there is more data? */ | |
432 | if (hlprblknow >= helperlen) | |
433 | break; | |
434 | ||
435 | if (helperlen - hlprblknow < tx_len) | |
436 | tx_len = helperlen - hlprblknow; | |
437 | ||
438 | /* Little-endian */ | |
439 | helperbuf[0] = ((tx_len & 0x000000ff) >> 0); | |
440 | helperbuf[1] = ((tx_len & 0x0000ff00) >> 8); | |
441 | helperbuf[2] = ((tx_len & 0x00ff0000) >> 16); | |
442 | helperbuf[3] = ((tx_len & 0xff000000) >> 24); | |
443 | ||
444 | memcpy(&helperbuf[SDIO_HEADER_LEN], &helper[hlprblknow], | |
445 | tx_len); | |
446 | ||
447 | /* Now send the data */ | |
dcf47f3b MH |
448 | ret = sdio_writesb(card->func, card->ioport, helperbuf, |
449 | FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE); | |
789221ec BZ |
450 | if (ret < 0) { |
451 | BT_ERR("IO error during helper download @ %d", | |
452 | hlprblknow); | |
453 | goto done; | |
454 | } | |
455 | ||
456 | hlprblknow += tx_len; | |
457 | } while (true); | |
458 | ||
459 | BT_DBG("Transferring helper image EOF block"); | |
460 | ||
461 | memset(helperbuf, 0x0, SDIO_BLOCK_SIZE); | |
462 | ||
463 | ret = sdio_writesb(card->func, card->ioport, helperbuf, | |
dcf47f3b | 464 | SDIO_BLOCK_SIZE); |
789221ec BZ |
465 | if (ret < 0) { |
466 | BT_ERR("IO error in writing helper image EOF block"); | |
467 | goto done; | |
468 | } | |
469 | ||
470 | ret = 0; | |
471 | ||
472 | done: | |
473 | kfree(tmphlprbuf); | |
59f34fb3 | 474 | release_firmware(fw_helper); |
789221ec BZ |
475 | return ret; |
476 | } | |
477 | ||
478 | static int btmrvl_sdio_download_fw_w_helper(struct btmrvl_sdio_card *card) | |
479 | { | |
480 | const struct firmware *fw_firmware = NULL; | |
481 | const u8 *firmware = NULL; | |
482 | int firmwarelen, tmpfwbufsz, ret; | |
483 | unsigned int tries, offset; | |
484 | u8 base0, base1; | |
485 | void *tmpfwbuf = NULL; | |
486 | u8 *fwbuf; | |
9f72c1d9 | 487 | u16 len, blksz_dl = card->sd_blksz_fw_dl; |
789221ec BZ |
488 | int txlen = 0, tx_blocks = 0, count = 0; |
489 | ||
789221ec | 490 | ret = request_firmware(&fw_firmware, card->firmware, |
dcf47f3b | 491 | &card->func->dev); |
789221ec BZ |
492 | if ((ret < 0) || !fw_firmware) { |
493 | BT_ERR("request_firmware(firmware) failed, error code = %d", | |
dcf47f3b | 494 | ret); |
789221ec BZ |
495 | ret = -ENOENT; |
496 | goto done; | |
497 | } | |
498 | ||
499 | firmware = fw_firmware->data; | |
500 | firmwarelen = fw_firmware->size; | |
501 | ||
502 | BT_DBG("Downloading FW image (%d bytes)", firmwarelen); | |
503 | ||
504 | tmpfwbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
f8df39f1 | 505 | tmpfwbuf = kzalloc(tmpfwbufsz, GFP_KERNEL); |
789221ec BZ |
506 | if (!tmpfwbuf) { |
507 | BT_ERR("Unable to allocate buffer for firmware." | |
508 | " Terminating download"); | |
509 | ret = -ENOMEM; | |
510 | goto done; | |
511 | } | |
512 | ||
789221ec BZ |
513 | /* Ensure aligned firmware buffer */ |
514 | fwbuf = (u8 *) ALIGN_ADDR(tmpfwbuf, BTSDIO_DMA_ALIGN); | |
515 | ||
516 | /* Perform firmware data transfer */ | |
517 | offset = 0; | |
518 | do { | |
519 | ret = btmrvl_sdio_poll_card_status(card, | |
dcf47f3b | 520 | CARD_IO_READY | DN_LD_CARD_RDY); |
789221ec BZ |
521 | if (ret < 0) { |
522 | BT_ERR("FW download with helper poll status" | |
dcf47f3b | 523 | " timeout @ %d", offset); |
789221ec BZ |
524 | goto done; |
525 | } | |
526 | ||
527 | /* Check if there is more data ? */ | |
528 | if (offset >= firmwarelen) | |
529 | break; | |
530 | ||
531 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
532 | base0 = sdio_readb(card->func, | |
9f72c1d9 | 533 | card->reg->sq_read_base_addr_a0, &ret); |
789221ec BZ |
534 | if (ret) { |
535 | BT_ERR("BASE0 register read failed:" | |
536 | " base0 = 0x%04X(%d)." | |
537 | " Terminating download", | |
538 | base0, base0); | |
539 | ret = -EIO; | |
540 | goto done; | |
541 | } | |
542 | base1 = sdio_readb(card->func, | |
9f72c1d9 | 543 | card->reg->sq_read_base_addr_a1, &ret); |
789221ec BZ |
544 | if (ret) { |
545 | BT_ERR("BASE1 register read failed:" | |
546 | " base1 = 0x%04X(%d)." | |
547 | " Terminating download", | |
548 | base1, base1); | |
549 | ret = -EIO; | |
550 | goto done; | |
551 | } | |
552 | ||
553 | len = (((u16) base1) << 8) | base0; | |
554 | if (len) | |
555 | break; | |
556 | ||
557 | udelay(10); | |
558 | } | |
559 | ||
560 | if (!len) | |
561 | break; | |
562 | else if (len > BTM_UPLD_SIZE) { | |
563 | BT_ERR("FW download failure @%d, invalid length %d", | |
dcf47f3b | 564 | offset, len); |
789221ec BZ |
565 | ret = -EINVAL; |
566 | goto done; | |
567 | } | |
568 | ||
569 | txlen = len; | |
570 | ||
571 | if (len & BIT(0)) { | |
572 | count++; | |
573 | if (count > MAX_WRITE_IOMEM_RETRY) { | |
574 | BT_ERR("FW download failure @%d, " | |
575 | "over max retry count", offset); | |
576 | ret = -EIO; | |
577 | goto done; | |
578 | } | |
579 | BT_ERR("FW CRC error indicated by the helper: " | |
580 | "len = 0x%04X, txlen = %d", len, txlen); | |
581 | len &= ~BIT(0); | |
582 | /* Set txlen to 0 so as to resend from same offset */ | |
583 | txlen = 0; | |
584 | } else { | |
585 | count = 0; | |
586 | ||
587 | /* Last block ? */ | |
588 | if (firmwarelen - offset < txlen) | |
589 | txlen = firmwarelen - offset; | |
590 | ||
ba34dd3d | 591 | tx_blocks = DIV_ROUND_UP(txlen, blksz_dl); |
789221ec BZ |
592 | |
593 | memcpy(fwbuf, &firmware[offset], txlen); | |
594 | } | |
595 | ||
596 | ret = sdio_writesb(card->func, card->ioport, fwbuf, | |
9f72c1d9 | 597 | tx_blocks * blksz_dl); |
789221ec BZ |
598 | |
599 | if (ret < 0) { | |
600 | BT_ERR("FW download, writesb(%d) failed @%d", | |
dcf47f3b | 601 | count, offset); |
9f72c1d9 KG |
602 | sdio_writeb(card->func, HOST_CMD53_FIN, |
603 | card->reg->cfg, &ret); | |
789221ec BZ |
604 | if (ret) |
605 | BT_ERR("writeb failed (CFG)"); | |
606 | } | |
607 | ||
608 | offset += txlen; | |
609 | } while (true); | |
610 | ||
1c6098eb | 611 | BT_INFO("FW download over, size %d bytes", offset); |
789221ec BZ |
612 | |
613 | ret = 0; | |
614 | ||
615 | done: | |
616 | kfree(tmpfwbuf); | |
59f34fb3 | 617 | release_firmware(fw_firmware); |
789221ec BZ |
618 | return ret; |
619 | } | |
620 | ||
621 | static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv) | |
622 | { | |
623 | u16 buf_len = 0; | |
42632805 | 624 | int ret, num_blocks, blksz; |
789221ec BZ |
625 | struct sk_buff *skb = NULL; |
626 | u32 type; | |
627 | u8 *payload = NULL; | |
628 | struct hci_dev *hdev = priv->btmrvl_dev.hcidev; | |
629 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
630 | ||
789221ec BZ |
631 | if (!card || !card->func) { |
632 | BT_ERR("card or function is NULL!"); | |
633 | ret = -EINVAL; | |
634 | goto exit; | |
635 | } | |
636 | ||
637 | /* Read the length of data to be transferred */ | |
638 | ret = btmrvl_sdio_read_rx_len(card, &buf_len); | |
639 | if (ret < 0) { | |
640 | BT_ERR("read rx_len failed"); | |
641 | ret = -EIO; | |
642 | goto exit; | |
643 | } | |
644 | ||
645 | blksz = SDIO_BLOCK_SIZE; | |
e678bad5 | 646 | num_blocks = DIV_ROUND_UP(buf_len, blksz); |
789221ec BZ |
647 | |
648 | if (buf_len <= SDIO_HEADER_LEN | |
42632805 | 649 | || (num_blocks * blksz) > ALLOC_BUF_SIZE) { |
789221ec BZ |
650 | BT_ERR("invalid packet length: %d", buf_len); |
651 | ret = -EINVAL; | |
652 | goto exit; | |
653 | } | |
654 | ||
655 | /* Allocate buffer */ | |
42632805 | 656 | skb = bt_skb_alloc(num_blocks * blksz + BTSDIO_DMA_ALIGN, GFP_ATOMIC); |
1f438c61 | 657 | if (!skb) { |
789221ec | 658 | BT_ERR("No free skb"); |
6ea81c41 | 659 | ret = -ENOMEM; |
789221ec BZ |
660 | goto exit; |
661 | } | |
662 | ||
3318b236 BZ |
663 | if ((unsigned long) skb->data & (BTSDIO_DMA_ALIGN - 1)) { |
664 | skb_put(skb, (unsigned long) skb->data & | |
665 | (BTSDIO_DMA_ALIGN - 1)); | |
666 | skb_pull(skb, (unsigned long) skb->data & | |
667 | (BTSDIO_DMA_ALIGN - 1)); | |
789221ec BZ |
668 | } |
669 | ||
3318b236 | 670 | payload = skb->data; |
789221ec BZ |
671 | |
672 | ret = sdio_readsb(card->func, payload, card->ioport, | |
42632805 | 673 | num_blocks * blksz); |
789221ec BZ |
674 | if (ret < 0) { |
675 | BT_ERR("readsb failed: %d", ret); | |
676 | ret = -EIO; | |
677 | goto exit; | |
678 | } | |
679 | ||
680 | /* This is SDIO specific header length: byte[2][1][0], type: byte[3] | |
681 | * (HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor) | |
682 | */ | |
683 | ||
684 | buf_len = payload[0]; | |
9cb23dd4 AE |
685 | buf_len |= payload[1] << 8; |
686 | buf_len |= payload[2] << 16; | |
687 | ||
688 | if (buf_len > blksz * num_blocks) { | |
689 | BT_ERR("Skip incorrect packet: hdrlen %d buffer %d", | |
690 | buf_len, blksz * num_blocks); | |
691 | ret = -EIO; | |
692 | goto exit; | |
693 | } | |
694 | ||
789221ec BZ |
695 | type = payload[3]; |
696 | ||
697 | switch (type) { | |
698 | case HCI_ACLDATA_PKT: | |
699 | case HCI_SCODATA_PKT: | |
700 | case HCI_EVENT_PKT: | |
701 | bt_cb(skb)->pkt_type = type; | |
789221ec BZ |
702 | skb_put(skb, buf_len); |
703 | skb_pull(skb, SDIO_HEADER_LEN); | |
704 | ||
ea1e76a3 AE |
705 | if (type == HCI_EVENT_PKT) { |
706 | if (btmrvl_check_evtpkt(priv, skb)) | |
e1a26170 | 707 | hci_recv_frame(hdev, skb); |
2c2453f3 | 708 | } else { |
e1a26170 | 709 | hci_recv_frame(hdev, skb); |
2c2453f3 | 710 | } |
789221ec | 711 | |
789221ec BZ |
712 | hdev->stat.byte_rx += buf_len; |
713 | break; | |
714 | ||
715 | case MRVL_VENDOR_PKT: | |
716 | bt_cb(skb)->pkt_type = HCI_VENDOR_PKT; | |
789221ec BZ |
717 | skb_put(skb, buf_len); |
718 | skb_pull(skb, SDIO_HEADER_LEN); | |
719 | ||
720 | if (btmrvl_process_event(priv, skb)) | |
e1a26170 | 721 | hci_recv_frame(hdev, skb); |
789221ec BZ |
722 | |
723 | hdev->stat.byte_rx += buf_len; | |
724 | break; | |
725 | ||
726 | default: | |
af901ca1 | 727 | BT_ERR("Unknown packet type:%d", type); |
78c1b8e8 | 728 | BT_ERR("hex: %*ph", blksz * num_blocks, payload); |
789221ec BZ |
729 | |
730 | kfree_skb(skb); | |
731 | skb = NULL; | |
732 | break; | |
733 | } | |
734 | ||
735 | exit: | |
736 | if (ret) { | |
737 | hdev->stat.err_rx++; | |
7923296f | 738 | kfree_skb(skb); |
789221ec BZ |
739 | } |
740 | ||
789221ec BZ |
741 | return ret; |
742 | } | |
743 | ||
d1d10d78 | 744 | static int btmrvl_sdio_process_int_status(struct btmrvl_private *priv) |
789221ec | 745 | { |
d1d10d78 AK |
746 | ulong flags; |
747 | u8 ireg; | |
789221ec BZ |
748 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; |
749 | ||
d1d10d78 AK |
750 | spin_lock_irqsave(&priv->driver_lock, flags); |
751 | ireg = sdio_ireg; | |
752 | sdio_ireg = 0; | |
753 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
789221ec | 754 | |
d1d10d78 AK |
755 | sdio_claim_host(card->func); |
756 | if (ireg & DN_LD_HOST_INT_STATUS) { | |
789221ec BZ |
757 | if (priv->btmrvl_dev.tx_dnld_rdy) |
758 | BT_DBG("tx_done already received: " | |
d1d10d78 | 759 | " int_status=0x%x", ireg); |
789221ec BZ |
760 | else |
761 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
762 | } | |
763 | ||
d1d10d78 | 764 | if (ireg & UP_LD_HOST_INT_STATUS) |
789221ec BZ |
765 | btmrvl_sdio_card_to_host(priv); |
766 | ||
d1d10d78 | 767 | sdio_release_host(card->func); |
789221ec | 768 | |
d1d10d78 | 769 | return 0; |
789221ec BZ |
770 | } |
771 | ||
0d367408 BZ |
772 | static int btmrvl_sdio_read_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
773 | { | |
774 | struct btmrvl_adapter *adapter = card->priv->adapter; | |
775 | int ret; | |
776 | ||
777 | ret = sdio_readsb(card->func, adapter->hw_regs, 0, SDIO_BLOCK_SIZE); | |
778 | if (ret) { | |
779 | BT_ERR("sdio_readsb: read int hw_regs failed: %d", ret); | |
780 | return ret; | |
781 | } | |
782 | ||
783 | *ireg = adapter->hw_regs[card->reg->host_intstatus]; | |
784 | BT_DBG("hw_regs[%#x]=%#x", card->reg->host_intstatus, *ireg); | |
785 | ||
786 | return 0; | |
787 | } | |
788 | ||
8af4840a BZ |
789 | static int btmrvl_sdio_write_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
790 | { | |
791 | int ret; | |
792 | ||
793 | *ireg = sdio_readb(card->func, card->reg->host_intstatus, &ret); | |
794 | if (ret) { | |
795 | BT_ERR("sdio_readb: read int status failed: %d", ret); | |
796 | return ret; | |
797 | } | |
798 | ||
799 | if (*ireg) { | |
800 | /* | |
801 | * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS | |
802 | * Clear the interrupt status register and re-enable the | |
803 | * interrupt. | |
804 | */ | |
805 | BT_DBG("int_status = 0x%x", *ireg); | |
806 | ||
807 | sdio_writeb(card->func, ~(*ireg) & (DN_LD_HOST_INT_STATUS | | |
808 | UP_LD_HOST_INT_STATUS), | |
809 | card->reg->host_intstatus, &ret); | |
810 | if (ret) { | |
811 | BT_ERR("sdio_writeb: clear int status failed: %d", ret); | |
812 | return ret; | |
813 | } | |
814 | } | |
815 | ||
816 | return 0; | |
817 | } | |
818 | ||
789221ec BZ |
819 | static void btmrvl_sdio_interrupt(struct sdio_func *func) |
820 | { | |
821 | struct btmrvl_private *priv; | |
789221ec | 822 | struct btmrvl_sdio_card *card; |
d1d10d78 | 823 | ulong flags; |
789221ec | 824 | u8 ireg = 0; |
d1d10d78 | 825 | int ret; |
789221ec | 826 | |
789221ec | 827 | card = sdio_get_drvdata(func); |
d1d10d78 | 828 | if (!card || !card->priv) { |
7365d475 AK |
829 | BT_ERR("sbi_interrupt(%p) card or priv is NULL, card=%p", |
830 | func, card); | |
d1d10d78 AK |
831 | return; |
832 | } | |
789221ec | 833 | |
d1d10d78 | 834 | priv = card->priv; |
789221ec | 835 | |
7b4b8740 AK |
836 | if (priv->surprise_removed) |
837 | return; | |
838 | ||
0d367408 BZ |
839 | if (card->reg->int_read_to_clear) |
840 | ret = btmrvl_sdio_read_to_clear(card, &ireg); | |
841 | else | |
842 | ret = btmrvl_sdio_write_to_clear(card, &ireg); | |
843 | ||
8af4840a | 844 | if (ret) |
d1d10d78 | 845 | return; |
d1d10d78 AK |
846 | |
847 | spin_lock_irqsave(&priv->driver_lock, flags); | |
848 | sdio_ireg |= ireg; | |
849 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
850 | ||
851 | btmrvl_interrupt(priv); | |
789221ec BZ |
852 | } |
853 | ||
854 | static int btmrvl_sdio_register_dev(struct btmrvl_sdio_card *card) | |
855 | { | |
789221ec | 856 | struct sdio_func *func; |
dcf47f3b MH |
857 | u8 reg; |
858 | int ret = 0; | |
789221ec | 859 | |
789221ec BZ |
860 | if (!card || !card->func) { |
861 | BT_ERR("Error: card or function is NULL!"); | |
862 | ret = -EINVAL; | |
863 | goto failed; | |
864 | } | |
865 | ||
866 | func = card->func; | |
867 | ||
789221ec BZ |
868 | sdio_claim_host(func); |
869 | ||
870 | ret = sdio_enable_func(func); | |
871 | if (ret) { | |
872 | BT_ERR("sdio_enable_func() failed: ret=%d", ret); | |
873 | ret = -EIO; | |
874 | goto release_host; | |
875 | } | |
876 | ||
877 | ret = sdio_claim_irq(func, btmrvl_sdio_interrupt); | |
878 | if (ret) { | |
879 | BT_ERR("sdio_claim_irq failed: ret=%d", ret); | |
880 | ret = -EIO; | |
881 | goto disable_func; | |
882 | } | |
883 | ||
884 | ret = sdio_set_block_size(card->func, SDIO_BLOCK_SIZE); | |
885 | if (ret) { | |
886 | BT_ERR("cannot set SDIO block size"); | |
887 | ret = -EIO; | |
888 | goto release_irq; | |
889 | } | |
890 | ||
9f72c1d9 | 891 | reg = sdio_readb(func, card->reg->io_port_0, &ret); |
789221ec BZ |
892 | if (ret < 0) { |
893 | ret = -EIO; | |
894 | goto release_irq; | |
895 | } | |
896 | ||
897 | card->ioport = reg; | |
898 | ||
9f72c1d9 | 899 | reg = sdio_readb(func, card->reg->io_port_1, &ret); |
789221ec BZ |
900 | if (ret < 0) { |
901 | ret = -EIO; | |
902 | goto release_irq; | |
903 | } | |
904 | ||
905 | card->ioport |= (reg << 8); | |
906 | ||
9f72c1d9 | 907 | reg = sdio_readb(func, card->reg->io_port_2, &ret); |
789221ec BZ |
908 | if (ret < 0) { |
909 | ret = -EIO; | |
910 | goto release_irq; | |
911 | } | |
912 | ||
913 | card->ioport |= (reg << 16); | |
914 | ||
915 | BT_DBG("SDIO FUNC%d IO port: 0x%x", func->num, card->ioport); | |
916 | ||
0d367408 BZ |
917 | if (card->reg->int_read_to_clear) { |
918 | reg = sdio_readb(func, card->reg->host_int_rsr, &ret); | |
919 | if (ret < 0) { | |
920 | ret = -EIO; | |
921 | goto release_irq; | |
922 | } | |
923 | sdio_writeb(func, reg | 0x3f, card->reg->host_int_rsr, &ret); | |
924 | if (ret < 0) { | |
925 | ret = -EIO; | |
926 | goto release_irq; | |
927 | } | |
928 | ||
929 | reg = sdio_readb(func, card->reg->card_misc_cfg, &ret); | |
930 | if (ret < 0) { | |
931 | ret = -EIO; | |
932 | goto release_irq; | |
933 | } | |
934 | sdio_writeb(func, reg | 0x10, card->reg->card_misc_cfg, &ret); | |
935 | if (ret < 0) { | |
936 | ret = -EIO; | |
937 | goto release_irq; | |
938 | } | |
939 | } | |
940 | ||
789221ec BZ |
941 | sdio_set_drvdata(func, card); |
942 | ||
943 | sdio_release_host(func); | |
944 | ||
789221ec BZ |
945 | return 0; |
946 | ||
947 | release_irq: | |
948 | sdio_release_irq(func); | |
949 | ||
950 | disable_func: | |
951 | sdio_disable_func(func); | |
952 | ||
953 | release_host: | |
954 | sdio_release_host(func); | |
955 | ||
956 | failed: | |
789221ec BZ |
957 | return ret; |
958 | } | |
959 | ||
960 | static int btmrvl_sdio_unregister_dev(struct btmrvl_sdio_card *card) | |
961 | { | |
789221ec BZ |
962 | if (card && card->func) { |
963 | sdio_claim_host(card->func); | |
964 | sdio_release_irq(card->func); | |
965 | sdio_disable_func(card->func); | |
966 | sdio_release_host(card->func); | |
967 | sdio_set_drvdata(card->func, NULL); | |
968 | } | |
969 | ||
789221ec BZ |
970 | return 0; |
971 | } | |
972 | ||
973 | static int btmrvl_sdio_enable_host_int(struct btmrvl_sdio_card *card) | |
974 | { | |
975 | int ret; | |
976 | ||
9374253f | 977 | if (!card || !card->func) |
789221ec | 978 | return -EINVAL; |
789221ec BZ |
979 | |
980 | sdio_claim_host(card->func); | |
981 | ||
982 | ret = btmrvl_sdio_enable_host_int_mask(card, HIM_ENABLE); | |
983 | ||
984 | btmrvl_sdio_get_rx_unit(card); | |
985 | ||
986 | sdio_release_host(card->func); | |
987 | ||
789221ec BZ |
988 | return ret; |
989 | } | |
990 | ||
991 | static int btmrvl_sdio_disable_host_int(struct btmrvl_sdio_card *card) | |
992 | { | |
993 | int ret; | |
994 | ||
9374253f | 995 | if (!card || !card->func) |
789221ec | 996 | return -EINVAL; |
789221ec BZ |
997 | |
998 | sdio_claim_host(card->func); | |
999 | ||
1000 | ret = btmrvl_sdio_disable_host_int_mask(card, HIM_DISABLE); | |
1001 | ||
1002 | sdio_release_host(card->func); | |
1003 | ||
789221ec BZ |
1004 | return ret; |
1005 | } | |
1006 | ||
1007 | static int btmrvl_sdio_host_to_card(struct btmrvl_private *priv, | |
1008 | u8 *payload, u16 nb) | |
1009 | { | |
1010 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1011 | int ret = 0; | |
1012 | int buf_block_len; | |
1013 | int blksz; | |
1014 | int i = 0; | |
1015 | u8 *buf = NULL; | |
1016 | void *tmpbuf = NULL; | |
1017 | int tmpbufsz; | |
1018 | ||
789221ec BZ |
1019 | if (!card || !card->func) { |
1020 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1021 | return -EINVAL; |
1022 | } | |
1023 | ||
1024 | buf = payload; | |
3318b236 | 1025 | if ((unsigned long) payload & (BTSDIO_DMA_ALIGN - 1)) { |
789221ec | 1026 | tmpbufsz = ALIGN_SZ(nb, BTSDIO_DMA_ALIGN); |
5959809d JL |
1027 | tmpbuf = kzalloc(tmpbufsz, GFP_KERNEL); |
1028 | if (!tmpbuf) | |
1029 | return -ENOMEM; | |
789221ec BZ |
1030 | buf = (u8 *) ALIGN_ADDR(tmpbuf, BTSDIO_DMA_ALIGN); |
1031 | memcpy(buf, payload, nb); | |
1032 | } | |
1033 | ||
1034 | blksz = SDIO_BLOCK_SIZE; | |
ba34dd3d | 1035 | buf_block_len = DIV_ROUND_UP(nb, blksz); |
789221ec BZ |
1036 | |
1037 | sdio_claim_host(card->func); | |
1038 | ||
1039 | do { | |
1040 | /* Transfer data to card */ | |
1041 | ret = sdio_writesb(card->func, card->ioport, buf, | |
1042 | buf_block_len * blksz); | |
1043 | if (ret < 0) { | |
1044 | i++; | |
1045 | BT_ERR("i=%d writesb failed: %d", i, ret); | |
78c1b8e8 | 1046 | BT_ERR("hex: %*ph", nb, payload); |
789221ec BZ |
1047 | ret = -EIO; |
1048 | if (i > MAX_WRITE_IOMEM_RETRY) | |
1049 | goto exit; | |
1050 | } | |
1051 | } while (ret); | |
1052 | ||
1053 | priv->btmrvl_dev.tx_dnld_rdy = false; | |
1054 | ||
1055 | exit: | |
1056 | sdio_release_host(card->func); | |
88d1a0cf | 1057 | kfree(tmpbuf); |
789221ec | 1058 | |
789221ec BZ |
1059 | return ret; |
1060 | } | |
1061 | ||
1062 | static int btmrvl_sdio_download_fw(struct btmrvl_sdio_card *card) | |
1063 | { | |
faff7f74 | 1064 | int ret; |
9f72c1d9 KG |
1065 | u8 fws0; |
1066 | int pollnum = MAX_POLL_TRIES; | |
789221ec | 1067 | |
789221ec BZ |
1068 | if (!card || !card->func) { |
1069 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1070 | return -EINVAL; |
1071 | } | |
789221ec BZ |
1072 | |
1073 | if (!btmrvl_sdio_verify_fw_download(card, 1)) { | |
1074 | BT_DBG("Firmware already downloaded!"); | |
c1c999e2 | 1075 | return 0; |
789221ec BZ |
1076 | } |
1077 | ||
c1c999e2 AF |
1078 | sdio_claim_host(card->func); |
1079 | ||
9f72c1d9 KG |
1080 | /* Check if other function driver is downloading the firmware */ |
1081 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); | |
789221ec | 1082 | if (ret) { |
9f72c1d9 | 1083 | BT_ERR("Failed to read FW downloading status!"); |
789221ec BZ |
1084 | ret = -EIO; |
1085 | goto done; | |
1086 | } | |
9f72c1d9 KG |
1087 | if (fws0) { |
1088 | BT_DBG("BT not the winner (%#x). Skip FW downloading", fws0); | |
1089 | ||
1090 | /* Give other function more time to download the firmware */ | |
1091 | pollnum *= 10; | |
1092 | } else { | |
1093 | if (card->helper) { | |
1094 | ret = btmrvl_sdio_download_helper(card); | |
1095 | if (ret) { | |
1096 | BT_ERR("Failed to download helper!"); | |
1097 | ret = -EIO; | |
1098 | goto done; | |
1099 | } | |
1100 | } | |
789221ec | 1101 | |
9f72c1d9 KG |
1102 | if (btmrvl_sdio_download_fw_w_helper(card)) { |
1103 | BT_ERR("Failed to download firmware!"); | |
1104 | ret = -EIO; | |
1105 | goto done; | |
1106 | } | |
789221ec BZ |
1107 | } |
1108 | ||
69676b1c AF |
1109 | /* |
1110 | * winner or not, with this test the FW synchronizes when the | |
1111 | * module can continue its initialization | |
1112 | */ | |
9f72c1d9 | 1113 | if (btmrvl_sdio_verify_fw_download(card, pollnum)) { |
789221ec | 1114 | BT_ERR("FW failed to be active in time!"); |
c1c999e2 | 1115 | return -ETIMEDOUT; |
789221ec BZ |
1116 | } |
1117 | ||
4863e4cc AN |
1118 | sdio_release_host(card->func); |
1119 | ||
c1c999e2 AF |
1120 | return 0; |
1121 | ||
789221ec BZ |
1122 | done: |
1123 | sdio_release_host(card->func); | |
789221ec BZ |
1124 | return ret; |
1125 | } | |
1126 | ||
1127 | static int btmrvl_sdio_wakeup_fw(struct btmrvl_private *priv) | |
1128 | { | |
1129 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1130 | int ret = 0; | |
1131 | ||
789221ec BZ |
1132 | if (!card || !card->func) { |
1133 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1134 | return -EINVAL; |
1135 | } | |
1136 | ||
1137 | sdio_claim_host(card->func); | |
1138 | ||
9f72c1d9 | 1139 | sdio_writeb(card->func, HOST_POWER_UP, card->reg->cfg, &ret); |
789221ec BZ |
1140 | |
1141 | sdio_release_host(card->func); | |
1142 | ||
1143 | BT_DBG("wake up firmware"); | |
1144 | ||
789221ec BZ |
1145 | return ret; |
1146 | } | |
1147 | ||
dc759613 XH |
1148 | static void btmrvl_sdio_dump_regs(struct btmrvl_private *priv) |
1149 | { | |
1150 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1151 | int ret = 0; | |
1152 | unsigned int reg, reg_start, reg_end; | |
1153 | char buf[256], *ptr; | |
1154 | u8 loop, func, data; | |
1155 | int MAX_LOOP = 2; | |
1156 | ||
1157 | btmrvl_sdio_wakeup_fw(priv); | |
1158 | sdio_claim_host(card->func); | |
1159 | ||
1160 | for (loop = 0; loop < MAX_LOOP; loop++) { | |
1161 | memset(buf, 0, sizeof(buf)); | |
1162 | ptr = buf; | |
1163 | ||
1164 | if (loop == 0) { | |
1165 | /* Read the registers of SDIO function0 */ | |
1166 | func = loop; | |
1167 | reg_start = 0; | |
1168 | reg_end = 9; | |
1169 | } else { | |
1170 | func = 2; | |
1171 | reg_start = 0; | |
1172 | reg_end = 0x09; | |
1173 | } | |
1174 | ||
1175 | ptr += sprintf(ptr, "SDIO Func%d (%#x-%#x): ", | |
1176 | func, reg_start, reg_end); | |
1177 | for (reg = reg_start; reg <= reg_end; reg++) { | |
1178 | if (func == 0) | |
1179 | data = sdio_f0_readb(card->func, reg, &ret); | |
1180 | else | |
1181 | data = sdio_readb(card->func, reg, &ret); | |
1182 | ||
1183 | if (!ret) { | |
1184 | ptr += sprintf(ptr, "%02x ", data); | |
1185 | } else { | |
1186 | ptr += sprintf(ptr, "ERR"); | |
1187 | break; | |
1188 | } | |
1189 | } | |
1190 | ||
1191 | BT_INFO("%s", buf); | |
1192 | } | |
1193 | ||
1194 | sdio_release_host(card->func); | |
1195 | } | |
1196 | ||
1197 | /* This function read/write firmware */ | |
1198 | static enum | |
1199 | rdwr_status btmrvl_sdio_rdwr_firmware(struct btmrvl_private *priv, | |
1200 | u8 doneflag) | |
1201 | { | |
1202 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1203 | int ret, tries; | |
1204 | u8 ctrl_data = 0; | |
1205 | ||
1206 | sdio_writeb(card->func, FW_DUMP_HOST_READY, card->reg->fw_dump_ctrl, | |
1207 | &ret); | |
1208 | ||
1209 | if (ret) { | |
1210 | BT_ERR("SDIO write err"); | |
1211 | return RDWR_STATUS_FAILURE; | |
1212 | } | |
1213 | ||
1214 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
1215 | ctrl_data = sdio_readb(card->func, card->reg->fw_dump_ctrl, | |
1216 | &ret); | |
1217 | ||
1218 | if (ret) { | |
1219 | BT_ERR("SDIO read err"); | |
1220 | return RDWR_STATUS_FAILURE; | |
1221 | } | |
1222 | ||
1223 | if (ctrl_data == FW_DUMP_DONE) | |
1224 | break; | |
1225 | if (doneflag && ctrl_data == doneflag) | |
1226 | return RDWR_STATUS_DONE; | |
1227 | if (ctrl_data != FW_DUMP_HOST_READY) { | |
1228 | BT_INFO("The ctrl reg was changed, re-try again!"); | |
1229 | sdio_writeb(card->func, FW_DUMP_HOST_READY, | |
1230 | card->reg->fw_dump_ctrl, &ret); | |
1231 | if (ret) { | |
1232 | BT_ERR("SDIO write err"); | |
1233 | return RDWR_STATUS_FAILURE; | |
1234 | } | |
1235 | } | |
1236 | usleep_range(100, 200); | |
1237 | } | |
1238 | ||
1239 | if (ctrl_data == FW_DUMP_HOST_READY) { | |
1240 | BT_ERR("Fail to pull ctrl_data"); | |
1241 | return RDWR_STATUS_FAILURE; | |
1242 | } | |
1243 | ||
1244 | return RDWR_STATUS_SUCCESS; | |
1245 | } | |
1246 | ||
1247 | /* This function dump sdio register and memory data */ | |
1248 | static void btmrvl_sdio_dump_firmware(struct btmrvl_private *priv) | |
1249 | { | |
1250 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1251 | int ret = 0; | |
1252 | unsigned int reg, reg_start, reg_end; | |
1253 | enum rdwr_status stat; | |
1254 | u8 *dbg_ptr, *end_ptr, *fw_dump_data, *fw_dump_ptr; | |
a1e85f04 | 1255 | u8 dump_num = 0, idx, i, read_reg, doneflag = 0; |
dc759613 XH |
1256 | u32 memory_size, fw_dump_len = 0; |
1257 | ||
1258 | /* dump sdio register first */ | |
1259 | btmrvl_sdio_dump_regs(priv); | |
1260 | ||
1261 | if (!card->supports_fw_dump) { | |
1262 | BT_ERR("Firmware dump not supported for this card!"); | |
1263 | return; | |
1264 | } | |
1265 | ||
1266 | for (idx = 0; idx < ARRAY_SIZE(mem_type_mapping_tbl); idx++) { | |
1267 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1268 | ||
1269 | if (entry->mem_ptr) { | |
1270 | vfree(entry->mem_ptr); | |
1271 | entry->mem_ptr = NULL; | |
1272 | } | |
1273 | entry->mem_size = 0; | |
1274 | } | |
1275 | ||
1276 | btmrvl_sdio_wakeup_fw(priv); | |
1277 | sdio_claim_host(card->func); | |
1278 | ||
1279 | BT_INFO("== btmrvl firmware dump start =="); | |
1280 | ||
1281 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1282 | if (stat == RDWR_STATUS_FAILURE) | |
1283 | goto done; | |
1284 | ||
1285 | reg = card->reg->fw_dump_start; | |
1286 | /* Read the number of the memories which will dump */ | |
1287 | dump_num = sdio_readb(card->func, reg, &ret); | |
1288 | ||
1289 | if (ret) { | |
1290 | BT_ERR("SDIO read memory length err"); | |
1291 | goto done; | |
1292 | } | |
1293 | ||
1294 | /* Read the length of every memory which will dump */ | |
1295 | for (idx = 0; idx < dump_num; idx++) { | |
1296 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1297 | ||
1298 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1299 | if (stat == RDWR_STATUS_FAILURE) | |
1300 | goto done; | |
1301 | ||
1302 | memory_size = 0; | |
1303 | reg = card->reg->fw_dump_start; | |
1304 | for (i = 0; i < 4; i++) { | |
1305 | read_reg = sdio_readb(card->func, reg, &ret); | |
1306 | if (ret) { | |
1307 | BT_ERR("SDIO read err"); | |
1308 | goto done; | |
1309 | } | |
1310 | memory_size |= (read_reg << i*8); | |
1311 | reg++; | |
1312 | } | |
1313 | ||
1314 | if (memory_size == 0) { | |
1315 | BT_INFO("Firmware dump finished!"); | |
475b9eac NK |
1316 | sdio_writeb(card->func, FW_DUMP_READ_DONE, |
1317 | card->reg->fw_dump_ctrl, &ret); | |
1318 | if (ret) { | |
1319 | BT_ERR("SDIO Write MEMDUMP_FINISH ERR"); | |
1320 | goto done; | |
1321 | } | |
dc759613 XH |
1322 | break; |
1323 | } | |
1324 | ||
1325 | BT_INFO("%s_SIZE=0x%x", entry->mem_name, memory_size); | |
1326 | entry->mem_ptr = vzalloc(memory_size + 1); | |
1327 | entry->mem_size = memory_size; | |
1328 | if (!entry->mem_ptr) { | |
1329 | BT_ERR("Vzalloc %s failed", entry->mem_name); | |
1330 | goto done; | |
1331 | } | |
1332 | ||
1333 | fw_dump_len += (strlen("========Start dump ") + | |
1334 | strlen(entry->mem_name) + | |
1335 | strlen("========\n") + | |
1336 | (memory_size + 1) + | |
1337 | strlen("\n========End dump========\n")); | |
1338 | ||
1339 | dbg_ptr = entry->mem_ptr; | |
1340 | end_ptr = dbg_ptr + memory_size; | |
1341 | ||
1342 | doneflag = entry->done_flag; | |
1343 | BT_INFO("Start %s output, please wait...", | |
1344 | entry->mem_name); | |
1345 | ||
1346 | do { | |
1347 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1348 | if (stat == RDWR_STATUS_FAILURE) | |
1349 | goto done; | |
1350 | ||
1351 | reg_start = card->reg->fw_dump_start; | |
1352 | reg_end = card->reg->fw_dump_end; | |
1353 | for (reg = reg_start; reg <= reg_end; reg++) { | |
1354 | *dbg_ptr = sdio_readb(card->func, reg, &ret); | |
1355 | if (ret) { | |
1356 | BT_ERR("SDIO read err"); | |
1357 | goto done; | |
1358 | } | |
1359 | if (dbg_ptr < end_ptr) | |
1360 | dbg_ptr++; | |
1361 | else | |
1362 | BT_ERR("Allocated buffer not enough"); | |
1363 | } | |
1364 | ||
1365 | if (stat != RDWR_STATUS_DONE) { | |
1366 | continue; | |
1367 | } else { | |
1368 | BT_INFO("%s done: size=0x%tx", | |
1369 | entry->mem_name, | |
1370 | dbg_ptr - entry->mem_ptr); | |
1371 | break; | |
1372 | } | |
1373 | } while (1); | |
1374 | } | |
1375 | ||
1376 | BT_INFO("== btmrvl firmware dump end =="); | |
1377 | ||
1378 | done: | |
1379 | sdio_release_host(card->func); | |
1380 | ||
1381 | if (fw_dump_len == 0) | |
1382 | return; | |
1383 | ||
1384 | fw_dump_data = vzalloc(fw_dump_len+1); | |
1385 | if (!fw_dump_data) { | |
1386 | BT_ERR("Vzalloc fw_dump_data fail!"); | |
1387 | return; | |
1388 | } | |
1389 | fw_dump_ptr = fw_dump_data; | |
1390 | ||
1391 | /* Dump all the memory data into single file, a userspace script will | |
1392 | be used to split all the memory data to multiple files*/ | |
1393 | BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump start"); | |
1394 | for (idx = 0; idx < dump_num; idx++) { | |
1395 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1396 | ||
1397 | if (entry->mem_ptr) { | |
1398 | strcpy(fw_dump_ptr, "========Start dump "); | |
1399 | fw_dump_ptr += strlen("========Start dump "); | |
1400 | ||
1401 | strcpy(fw_dump_ptr, entry->mem_name); | |
1402 | fw_dump_ptr += strlen(entry->mem_name); | |
1403 | ||
1404 | strcpy(fw_dump_ptr, "========\n"); | |
1405 | fw_dump_ptr += strlen("========\n"); | |
1406 | ||
1407 | memcpy(fw_dump_ptr, entry->mem_ptr, entry->mem_size); | |
1408 | fw_dump_ptr += entry->mem_size; | |
1409 | ||
1410 | strcpy(fw_dump_ptr, "\n========End dump========\n"); | |
1411 | fw_dump_ptr += strlen("\n========End dump========\n"); | |
1412 | ||
1413 | vfree(mem_type_mapping_tbl[idx].mem_ptr); | |
1414 | mem_type_mapping_tbl[idx].mem_ptr = NULL; | |
1415 | } | |
1416 | } | |
1417 | ||
1418 | /* fw_dump_data will be free in device coredump release function | |
1419 | after 5 min*/ | |
d4902632 | 1420 | dev_coredumpv(&card->func->dev, fw_dump_data, fw_dump_len, GFP_KERNEL); |
dc759613 XH |
1421 | BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump end"); |
1422 | } | |
1423 | ||
789221ec | 1424 | static int btmrvl_sdio_probe(struct sdio_func *func, |
dcf47f3b | 1425 | const struct sdio_device_id *id) |
789221ec BZ |
1426 | { |
1427 | int ret = 0; | |
1428 | struct btmrvl_private *priv = NULL; | |
1429 | struct btmrvl_sdio_card *card = NULL; | |
1430 | ||
789221ec BZ |
1431 | BT_INFO("vendor=0x%x, device=0x%x, class=%d, fn=%d", |
1432 | id->vendor, id->device, id->class, func->num); | |
1433 | ||
eb17ea3b SK |
1434 | card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL); |
1435 | if (!card) | |
1436 | return -ENOMEM; | |
789221ec BZ |
1437 | |
1438 | card->func = func; | |
1439 | ||
dcf47f3b MH |
1440 | if (id->driver_data) { |
1441 | struct btmrvl_sdio_device *data = (void *) id->driver_data; | |
9f72c1d9 | 1442 | card->helper = data->helper; |
dcf47f3b | 1443 | card->firmware = data->firmware; |
9f72c1d9 KG |
1444 | card->reg = data->reg; |
1445 | card->sd_blksz_fw_dl = data->sd_blksz_fw_dl; | |
4df82b59 | 1446 | card->support_pscan_win_report = data->support_pscan_win_report; |
dc759613 | 1447 | card->supports_fw_dump = data->supports_fw_dump; |
dcf47f3b MH |
1448 | } |
1449 | ||
789221ec BZ |
1450 | if (btmrvl_sdio_register_dev(card) < 0) { |
1451 | BT_ERR("Failed to register BT device!"); | |
eb17ea3b | 1452 | return -ENODEV; |
789221ec BZ |
1453 | } |
1454 | ||
1455 | /* Disable the interrupts on the card */ | |
1456 | btmrvl_sdio_disable_host_int(card); | |
1457 | ||
1458 | if (btmrvl_sdio_download_fw(card)) { | |
1459 | BT_ERR("Downloading firmware failed!"); | |
1460 | ret = -ENODEV; | |
1461 | goto unreg_dev; | |
1462 | } | |
1463 | ||
789221ec BZ |
1464 | btmrvl_sdio_enable_host_int(card); |
1465 | ||
1466 | priv = btmrvl_add_card(card); | |
1467 | if (!priv) { | |
1468 | BT_ERR("Initializing card failed!"); | |
1469 | ret = -ENODEV; | |
1470 | goto disable_host_int; | |
1471 | } | |
1472 | ||
1473 | card->priv = priv; | |
1474 | ||
1475 | /* Initialize the interface specific function pointers */ | |
1476 | priv->hw_host_to_card = btmrvl_sdio_host_to_card; | |
1477 | priv->hw_wakeup_firmware = btmrvl_sdio_wakeup_fw; | |
d1d10d78 | 1478 | priv->hw_process_int_status = btmrvl_sdio_process_int_status; |
dc759613 | 1479 | priv->firmware_dump = btmrvl_sdio_dump_firmware; |
789221ec | 1480 | |
64061607 BZ |
1481 | if (btmrvl_register_hdev(priv)) { |
1482 | BT_ERR("Register hdev failed!"); | |
1483 | ret = -ENODEV; | |
1484 | goto disable_host_int; | |
1485 | } | |
1486 | ||
789221ec BZ |
1487 | return 0; |
1488 | ||
1489 | disable_host_int: | |
1490 | btmrvl_sdio_disable_host_int(card); | |
1491 | unreg_dev: | |
1492 | btmrvl_sdio_unregister_dev(card); | |
789221ec BZ |
1493 | return ret; |
1494 | } | |
1495 | ||
1496 | static void btmrvl_sdio_remove(struct sdio_func *func) | |
1497 | { | |
1498 | struct btmrvl_sdio_card *card; | |
1499 | ||
789221ec BZ |
1500 | if (func) { |
1501 | card = sdio_get_drvdata(func); | |
1502 | if (card) { | |
1503 | /* Send SHUTDOWN command & disable interrupt | |
1504 | * if user removes the module. | |
1505 | */ | |
1506 | if (user_rmmod) { | |
1507 | btmrvl_send_module_cfg_cmd(card->priv, | |
1508 | MODULE_SHUTDOWN_REQ); | |
1509 | btmrvl_sdio_disable_host_int(card); | |
1510 | } | |
1511 | BT_DBG("unregester dev"); | |
7b4b8740 | 1512 | card->priv->surprise_removed = true; |
789221ec BZ |
1513 | btmrvl_sdio_unregister_dev(card); |
1514 | btmrvl_remove_card(card->priv); | |
789221ec BZ |
1515 | } |
1516 | } | |
789221ec BZ |
1517 | } |
1518 | ||
ba54a16f AK |
1519 | static int btmrvl_sdio_suspend(struct device *dev) |
1520 | { | |
1521 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1522 | struct btmrvl_sdio_card *card; | |
1523 | struct btmrvl_private *priv; | |
1524 | mmc_pm_flag_t pm_flags; | |
1525 | struct hci_dev *hcidev; | |
1526 | ||
1527 | if (func) { | |
1528 | pm_flags = sdio_get_host_pm_caps(func); | |
1529 | BT_DBG("%s: suspend: PM flags = 0x%x", sdio_func_id(func), | |
1530 | pm_flags); | |
1531 | if (!(pm_flags & MMC_PM_KEEP_POWER)) { | |
1532 | BT_ERR("%s: cannot remain alive while suspended", | |
1533 | sdio_func_id(func)); | |
1534 | return -ENOSYS; | |
1535 | } | |
1536 | card = sdio_get_drvdata(func); | |
1537 | if (!card || !card->priv) { | |
1538 | BT_ERR("card or priv structure is not valid"); | |
1539 | return 0; | |
1540 | } | |
1541 | } else { | |
1542 | BT_ERR("sdio_func is not specified"); | |
1543 | return 0; | |
1544 | } | |
1545 | ||
1546 | priv = card->priv; | |
5bf8a748 CRL |
1547 | hcidev = priv->btmrvl_dev.hcidev; |
1548 | BT_DBG("%s: SDIO suspend", hcidev->name); | |
1549 | hci_suspend_dev(hcidev); | |
1550 | skb_queue_purge(&priv->adapter->tx_queue); | |
ba54a16f AK |
1551 | |
1552 | if (priv->adapter->hs_state != HS_ACTIVATED) { | |
1553 | if (btmrvl_enable_hs(priv)) { | |
1554 | BT_ERR("HS not actived, suspend failed!"); | |
1555 | return -EBUSY; | |
1556 | } | |
1557 | } | |
ba54a16f AK |
1558 | |
1559 | priv->adapter->is_suspended = true; | |
1560 | ||
1561 | /* We will keep the power when hs enabled successfully */ | |
1562 | if (priv->adapter->hs_state == HS_ACTIVATED) { | |
1563 | BT_DBG("suspend with MMC_PM_KEEP_POWER"); | |
1564 | return sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); | |
1565 | } else { | |
1566 | BT_DBG("suspend without MMC_PM_KEEP_POWER"); | |
1567 | return 0; | |
1568 | } | |
1569 | } | |
1570 | ||
1571 | static int btmrvl_sdio_resume(struct device *dev) | |
1572 | { | |
1573 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1574 | struct btmrvl_sdio_card *card; | |
1575 | struct btmrvl_private *priv; | |
1576 | mmc_pm_flag_t pm_flags; | |
1577 | struct hci_dev *hcidev; | |
1578 | ||
1579 | if (func) { | |
1580 | pm_flags = sdio_get_host_pm_caps(func); | |
1581 | BT_DBG("%s: resume: PM flags = 0x%x", sdio_func_id(func), | |
1582 | pm_flags); | |
1583 | card = sdio_get_drvdata(func); | |
1584 | if (!card || !card->priv) { | |
1585 | BT_ERR("card or priv structure is not valid"); | |
1586 | return 0; | |
1587 | } | |
1588 | } else { | |
1589 | BT_ERR("sdio_func is not specified"); | |
1590 | return 0; | |
1591 | } | |
1592 | priv = card->priv; | |
1593 | ||
1594 | if (!priv->adapter->is_suspended) { | |
1595 | BT_DBG("device already resumed"); | |
1596 | return 0; | |
1597 | } | |
1598 | ||
ba54a16f AK |
1599 | priv->hw_wakeup_firmware(priv); |
1600 | priv->adapter->hs_state = HS_DEACTIVATED; | |
5bf8a748 | 1601 | hcidev = priv->btmrvl_dev.hcidev; |
ba54a16f | 1602 | BT_DBG("%s: HS DEACTIVATED in resume!", hcidev->name); |
5bf8a748 CRL |
1603 | priv->adapter->is_suspended = false; |
1604 | BT_DBG("%s: SDIO resume", hcidev->name); | |
1605 | hci_resume_dev(hcidev); | |
ba54a16f AK |
1606 | |
1607 | return 0; | |
1608 | } | |
1609 | ||
1610 | static const struct dev_pm_ops btmrvl_sdio_pm_ops = { | |
1611 | .suspend = btmrvl_sdio_suspend, | |
1612 | .resume = btmrvl_sdio_resume, | |
1613 | }; | |
1614 | ||
789221ec BZ |
1615 | static struct sdio_driver bt_mrvl_sdio = { |
1616 | .name = "btmrvl_sdio", | |
1617 | .id_table = btmrvl_sdio_ids, | |
1618 | .probe = btmrvl_sdio_probe, | |
1619 | .remove = btmrvl_sdio_remove, | |
ba54a16f AK |
1620 | .drv = { |
1621 | .owner = THIS_MODULE, | |
1622 | .pm = &btmrvl_sdio_pm_ops, | |
1623 | } | |
789221ec BZ |
1624 | }; |
1625 | ||
8e5b2308 | 1626 | static int __init btmrvl_sdio_init_module(void) |
789221ec | 1627 | { |
789221ec BZ |
1628 | if (sdio_register_driver(&bt_mrvl_sdio) != 0) { |
1629 | BT_ERR("SDIO Driver Registration Failed"); | |
789221ec BZ |
1630 | return -ENODEV; |
1631 | } | |
1632 | ||
1633 | /* Clear the flag in case user removes the card. */ | |
1634 | user_rmmod = 0; | |
1635 | ||
789221ec BZ |
1636 | return 0; |
1637 | } | |
1638 | ||
8e5b2308 | 1639 | static void __exit btmrvl_sdio_exit_module(void) |
789221ec | 1640 | { |
789221ec BZ |
1641 | /* Set the flag as user is removing this module. */ |
1642 | user_rmmod = 1; | |
1643 | ||
1644 | sdio_unregister_driver(&bt_mrvl_sdio); | |
789221ec BZ |
1645 | } |
1646 | ||
1647 | module_init(btmrvl_sdio_init_module); | |
1648 | module_exit(btmrvl_sdio_exit_module); | |
1649 | ||
1650 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 1651 | MODULE_DESCRIPTION("Marvell BT-over-SDIO driver ver " VERSION); |
789221ec BZ |
1652 | MODULE_VERSION(VERSION); |
1653 | MODULE_LICENSE("GPL v2"); | |
77189df4 LR |
1654 | MODULE_FIRMWARE("mrvl/sd8688_helper.bin"); |
1655 | MODULE_FIRMWARE("mrvl/sd8688.bin"); | |
9f72c1d9 | 1656 | MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin"); |
2ac654f7 | 1657 | MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin"); |
3907d558 | 1658 | MODULE_FIRMWARE("mrvl/sd8887_uapsta.bin"); |
22f2efed | 1659 | MODULE_FIRMWARE("mrvl/sd8897_uapsta.bin"); |
f0ef6748 | 1660 | MODULE_FIRMWARE("mrvl/sd8997_uapsta.bin"); |