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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> |
789221ec BZ |
27 | |
28 | #include <net/bluetooth/bluetooth.h> | |
29 | #include <net/bluetooth/hci_core.h> | |
30 | ||
31 | #include "btmrvl_drv.h" | |
32 | #include "btmrvl_sdio.h" | |
33 | ||
34 | #define VERSION "1.0" | |
35 | ||
789221ec BZ |
36 | /* The btmrvl_sdio_remove() callback function is called |
37 | * when user removes this module from kernel space or ejects | |
38 | * the card from the slot. The driver handles these 2 cases | |
39 | * differently. | |
40 | * If the user is removing the module, a MODULE_SHUTDOWN_REQ | |
41 | * command is sent to firmware and interrupt will be disabled. | |
42 | * If the card is removed, there is no need to send command | |
43 | * or disable interrupt. | |
44 | * | |
45 | * The variable 'user_rmmod' is used to distinguish these two | |
46 | * scenarios. This flag is initialized as FALSE in case the card | |
47 | * is removed, and will be set to TRUE for module removal when | |
48 | * module_exit function is called. | |
49 | */ | |
50 | static u8 user_rmmod; | |
d1d10d78 | 51 | static u8 sdio_ireg; |
789221ec | 52 | |
9f72c1d9 KG |
53 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8688 = { |
54 | .cfg = 0x03, | |
55 | .host_int_mask = 0x04, | |
56 | .host_intstatus = 0x05, | |
57 | .card_status = 0x20, | |
58 | .sq_read_base_addr_a0 = 0x10, | |
59 | .sq_read_base_addr_a1 = 0x11, | |
60 | .card_fw_status0 = 0x40, | |
61 | .card_fw_status1 = 0x41, | |
62 | .card_rx_len = 0x42, | |
63 | .card_rx_unit = 0x43, | |
64 | .io_port_0 = 0x00, | |
65 | .io_port_1 = 0x01, | |
66 | .io_port_2 = 0x02, | |
0d367408 | 67 | .int_read_to_clear = false, |
9f72c1d9 | 68 | }; |
2ac654f7 | 69 | static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = { |
9f72c1d9 KG |
70 | .cfg = 0x00, |
71 | .host_int_mask = 0x02, | |
72 | .host_intstatus = 0x03, | |
73 | .card_status = 0x30, | |
74 | .sq_read_base_addr_a0 = 0x40, | |
75 | .sq_read_base_addr_a1 = 0x41, | |
76 | .card_revision = 0x5c, | |
77 | .card_fw_status0 = 0x60, | |
78 | .card_fw_status1 = 0x61, | |
79 | .card_rx_len = 0x62, | |
80 | .card_rx_unit = 0x63, | |
81 | .io_port_0 = 0x78, | |
82 | .io_port_1 = 0x79, | |
83 | .io_port_2 = 0x7a, | |
0d367408 | 84 | .int_read_to_clear = false, |
9f72c1d9 KG |
85 | }; |
86 | ||
22f2efed BZ |
87 | static const struct btmrvl_sdio_card_reg btmrvl_reg_88xx = { |
88 | .cfg = 0x00, | |
89 | .host_int_mask = 0x02, | |
90 | .host_intstatus = 0x03, | |
91 | .card_status = 0x50, | |
92 | .sq_read_base_addr_a0 = 0x60, | |
93 | .sq_read_base_addr_a1 = 0x61, | |
94 | .card_revision = 0xbc, | |
95 | .card_fw_status0 = 0xc0, | |
96 | .card_fw_status1 = 0xc1, | |
97 | .card_rx_len = 0xc2, | |
98 | .card_rx_unit = 0xc3, | |
99 | .io_port_0 = 0xd8, | |
100 | .io_port_1 = 0xd9, | |
101 | .io_port_2 = 0xda, | |
0d367408 BZ |
102 | .int_read_to_clear = true, |
103 | .host_int_rsr = 0x01, | |
104 | .card_misc_cfg = 0xcc, | |
22f2efed BZ |
105 | }; |
106 | ||
c675786a | 107 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = { |
77189df4 LR |
108 | .helper = "mrvl/sd8688_helper.bin", |
109 | .firmware = "mrvl/sd8688.bin", | |
9f72c1d9 | 110 | .reg = &btmrvl_reg_8688, |
4df82b59 | 111 | .support_pscan_win_report = false, |
9f72c1d9 KG |
112 | .sd_blksz_fw_dl = 64, |
113 | }; | |
114 | ||
115 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = { | |
116 | .helper = NULL, | |
117 | .firmware = "mrvl/sd8787_uapsta.bin", | |
2ac654f7 | 118 | .reg = &btmrvl_reg_87xx, |
4df82b59 | 119 | .support_pscan_win_report = false, |
2ac654f7 BZ |
120 | .sd_blksz_fw_dl = 256, |
121 | }; | |
122 | ||
123 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = { | |
124 | .helper = NULL, | |
125 | .firmware = "mrvl/sd8797_uapsta.bin", | |
126 | .reg = &btmrvl_reg_87xx, | |
4df82b59 | 127 | .support_pscan_win_report = false, |
9f72c1d9 | 128 | .sd_blksz_fw_dl = 256, |
789221ec BZ |
129 | }; |
130 | ||
22f2efed BZ |
131 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8897 = { |
132 | .helper = NULL, | |
133 | .firmware = "mrvl/sd8897_uapsta.bin", | |
134 | .reg = &btmrvl_reg_88xx, | |
4df82b59 | 135 | .support_pscan_win_report = true, |
22f2efed BZ |
136 | .sd_blksz_fw_dl = 256, |
137 | }; | |
138 | ||
dcf47f3b MH |
139 | static const struct sdio_device_id btmrvl_sdio_ids[] = { |
140 | /* Marvell SD8688 Bluetooth device */ | |
141 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9105), | |
c675786a | 142 | .driver_data = (unsigned long) &btmrvl_sdio_sd8688 }, |
9f72c1d9 KG |
143 | /* Marvell SD8787 Bluetooth device */ |
144 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A), | |
145 | .driver_data = (unsigned long) &btmrvl_sdio_sd8787 }, | |
37ed561e BZ |
146 | /* Marvell SD8787 Bluetooth AMP device */ |
147 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911B), | |
148 | .driver_data = (unsigned long) &btmrvl_sdio_sd8787 }, | |
2ac654f7 BZ |
149 | /* Marvell SD8797 Bluetooth device */ |
150 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A), | |
151 | .driver_data = (unsigned long) &btmrvl_sdio_sd8797 }, | |
22f2efed BZ |
152 | /* Marvell SD8897 Bluetooth device */ |
153 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912E), | |
154 | .driver_data = (unsigned long) &btmrvl_sdio_sd8897 }, | |
789221ec | 155 | |
dcf47f3b | 156 | { } /* Terminating entry */ |
789221ec BZ |
157 | }; |
158 | ||
dcf47f3b MH |
159 | MODULE_DEVICE_TABLE(sdio, btmrvl_sdio_ids); |
160 | ||
789221ec BZ |
161 | static int btmrvl_sdio_get_rx_unit(struct btmrvl_sdio_card *card) |
162 | { | |
163 | u8 reg; | |
164 | int ret; | |
165 | ||
9f72c1d9 | 166 | reg = sdio_readb(card->func, card->reg->card_rx_unit, &ret); |
789221ec BZ |
167 | if (!ret) |
168 | card->rx_unit = reg; | |
169 | ||
789221ec BZ |
170 | return ret; |
171 | } | |
172 | ||
173 | static int btmrvl_sdio_read_fw_status(struct btmrvl_sdio_card *card, u16 *dat) | |
174 | { | |
789221ec | 175 | u8 fws0, fws1; |
9374253f | 176 | int ret; |
789221ec BZ |
177 | |
178 | *dat = 0; | |
179 | ||
9f72c1d9 | 180 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); |
278be27f KV |
181 | if (ret) |
182 | return -EIO; | |
789221ec | 183 | |
9f72c1d9 | 184 | fws1 = sdio_readb(card->func, card->reg->card_fw_status1, &ret); |
9374253f | 185 | if (ret) |
789221ec | 186 | return -EIO; |
789221ec BZ |
187 | |
188 | *dat = (((u16) fws1) << 8) | fws0; | |
189 | ||
789221ec BZ |
190 | return 0; |
191 | } | |
192 | ||
193 | static int btmrvl_sdio_read_rx_len(struct btmrvl_sdio_card *card, u16 *dat) | |
194 | { | |
789221ec | 195 | u8 reg; |
9374253f | 196 | int ret; |
789221ec | 197 | |
9f72c1d9 | 198 | reg = sdio_readb(card->func, card->reg->card_rx_len, &ret); |
789221ec BZ |
199 | if (!ret) |
200 | *dat = (u16) reg << card->rx_unit; | |
201 | ||
789221ec BZ |
202 | return ret; |
203 | } | |
204 | ||
205 | static int btmrvl_sdio_enable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 206 | u8 mask) |
789221ec BZ |
207 | { |
208 | int ret; | |
209 | ||
9f72c1d9 | 210 | sdio_writeb(card->func, mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
211 | if (ret) { |
212 | BT_ERR("Unable to enable the host interrupt!"); | |
213 | ret = -EIO; | |
214 | } | |
215 | ||
789221ec BZ |
216 | return ret; |
217 | } | |
218 | ||
219 | static int btmrvl_sdio_disable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 220 | u8 mask) |
789221ec | 221 | { |
789221ec | 222 | u8 host_int_mask; |
9374253f | 223 | int ret; |
789221ec | 224 | |
9f72c1d9 | 225 | host_int_mask = sdio_readb(card->func, card->reg->host_int_mask, &ret); |
9374253f MH |
226 | if (ret) |
227 | return -EIO; | |
789221ec BZ |
228 | |
229 | host_int_mask &= ~mask; | |
230 | ||
9f72c1d9 | 231 | sdio_writeb(card->func, host_int_mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
232 | if (ret < 0) { |
233 | BT_ERR("Unable to disable the host interrupt!"); | |
9374253f | 234 | return -EIO; |
789221ec BZ |
235 | } |
236 | ||
9374253f | 237 | return 0; |
789221ec BZ |
238 | } |
239 | ||
240 | static int btmrvl_sdio_poll_card_status(struct btmrvl_sdio_card *card, u8 bits) | |
241 | { | |
242 | unsigned int tries; | |
789221ec | 243 | u8 status; |
9374253f | 244 | int ret; |
789221ec BZ |
245 | |
246 | for (tries = 0; tries < MAX_POLL_TRIES * 1000; tries++) { | |
9f72c1d9 | 247 | status = sdio_readb(card->func, card->reg->card_status, &ret); |
789221ec BZ |
248 | if (ret) |
249 | goto failed; | |
250 | if ((status & bits) == bits) | |
9374253f | 251 | return ret; |
789221ec BZ |
252 | |
253 | udelay(1); | |
254 | } | |
255 | ||
256 | ret = -ETIMEDOUT; | |
257 | ||
258 | failed: | |
259 | BT_ERR("FAILED! ret=%d", ret); | |
260 | ||
789221ec BZ |
261 | return ret; |
262 | } | |
263 | ||
264 | static int btmrvl_sdio_verify_fw_download(struct btmrvl_sdio_card *card, | |
dcf47f3b | 265 | int pollnum) |
789221ec | 266 | { |
789221ec | 267 | u16 firmwarestat; |
69676b1c | 268 | int tries, ret; |
789221ec | 269 | |
789221ec BZ |
270 | /* Wait for firmware to become ready */ |
271 | for (tries = 0; tries < pollnum; tries++) { | |
c1c999e2 AF |
272 | sdio_claim_host(card->func); |
273 | ret = btmrvl_sdio_read_fw_status(card, &firmwarestat); | |
274 | sdio_release_host(card->func); | |
275 | if (ret < 0) | |
789221ec BZ |
276 | continue; |
277 | ||
69676b1c AF |
278 | if (firmwarestat == FIRMWARE_READY) |
279 | return 0; | |
280 | ||
281 | msleep(10); | |
789221ec BZ |
282 | } |
283 | ||
69676b1c | 284 | return -ETIMEDOUT; |
789221ec BZ |
285 | } |
286 | ||
287 | static int btmrvl_sdio_download_helper(struct btmrvl_sdio_card *card) | |
288 | { | |
289 | const struct firmware *fw_helper = NULL; | |
290 | const u8 *helper = NULL; | |
291 | int ret; | |
292 | void *tmphlprbuf = NULL; | |
293 | int tmphlprbufsz, hlprblknow, helperlen; | |
294 | u8 *helperbuf; | |
295 | u32 tx_len; | |
296 | ||
789221ec | 297 | ret = request_firmware(&fw_helper, card->helper, |
dcf47f3b | 298 | &card->func->dev); |
789221ec BZ |
299 | if ((ret < 0) || !fw_helper) { |
300 | BT_ERR("request_firmware(helper) failed, error code = %d", | |
dcf47f3b | 301 | ret); |
789221ec BZ |
302 | ret = -ENOENT; |
303 | goto done; | |
304 | } | |
305 | ||
306 | helper = fw_helper->data; | |
307 | helperlen = fw_helper->size; | |
308 | ||
309 | BT_DBG("Downloading helper image (%d bytes), block size %d bytes", | |
dcf47f3b | 310 | helperlen, SDIO_BLOCK_SIZE); |
789221ec BZ |
311 | |
312 | tmphlprbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
313 | ||
f8df39f1 | 314 | tmphlprbuf = kzalloc(tmphlprbufsz, GFP_KERNEL); |
789221ec BZ |
315 | if (!tmphlprbuf) { |
316 | BT_ERR("Unable to allocate buffer for helper." | |
317 | " Terminating download"); | |
318 | ret = -ENOMEM; | |
319 | goto done; | |
320 | } | |
321 | ||
789221ec BZ |
322 | helperbuf = (u8 *) ALIGN_ADDR(tmphlprbuf, BTSDIO_DMA_ALIGN); |
323 | ||
324 | /* Perform helper data transfer */ | |
325 | tx_len = (FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE) | |
326 | - SDIO_HEADER_LEN; | |
327 | hlprblknow = 0; | |
328 | ||
329 | do { | |
330 | ret = btmrvl_sdio_poll_card_status(card, | |
331 | CARD_IO_READY | DN_LD_CARD_RDY); | |
332 | if (ret < 0) { | |
333 | BT_ERR("Helper download poll status timeout @ %d", | |
334 | hlprblknow); | |
335 | goto done; | |
336 | } | |
337 | ||
338 | /* Check if there is more data? */ | |
339 | if (hlprblknow >= helperlen) | |
340 | break; | |
341 | ||
342 | if (helperlen - hlprblknow < tx_len) | |
343 | tx_len = helperlen - hlprblknow; | |
344 | ||
345 | /* Little-endian */ | |
346 | helperbuf[0] = ((tx_len & 0x000000ff) >> 0); | |
347 | helperbuf[1] = ((tx_len & 0x0000ff00) >> 8); | |
348 | helperbuf[2] = ((tx_len & 0x00ff0000) >> 16); | |
349 | helperbuf[3] = ((tx_len & 0xff000000) >> 24); | |
350 | ||
351 | memcpy(&helperbuf[SDIO_HEADER_LEN], &helper[hlprblknow], | |
352 | tx_len); | |
353 | ||
354 | /* Now send the data */ | |
dcf47f3b MH |
355 | ret = sdio_writesb(card->func, card->ioport, helperbuf, |
356 | FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE); | |
789221ec BZ |
357 | if (ret < 0) { |
358 | BT_ERR("IO error during helper download @ %d", | |
359 | hlprblknow); | |
360 | goto done; | |
361 | } | |
362 | ||
363 | hlprblknow += tx_len; | |
364 | } while (true); | |
365 | ||
366 | BT_DBG("Transferring helper image EOF block"); | |
367 | ||
368 | memset(helperbuf, 0x0, SDIO_BLOCK_SIZE); | |
369 | ||
370 | ret = sdio_writesb(card->func, card->ioport, helperbuf, | |
dcf47f3b | 371 | SDIO_BLOCK_SIZE); |
789221ec BZ |
372 | if (ret < 0) { |
373 | BT_ERR("IO error in writing helper image EOF block"); | |
374 | goto done; | |
375 | } | |
376 | ||
377 | ret = 0; | |
378 | ||
379 | done: | |
380 | kfree(tmphlprbuf); | |
59f34fb3 | 381 | release_firmware(fw_helper); |
789221ec BZ |
382 | return ret; |
383 | } | |
384 | ||
385 | static int btmrvl_sdio_download_fw_w_helper(struct btmrvl_sdio_card *card) | |
386 | { | |
387 | const struct firmware *fw_firmware = NULL; | |
388 | const u8 *firmware = NULL; | |
389 | int firmwarelen, tmpfwbufsz, ret; | |
390 | unsigned int tries, offset; | |
391 | u8 base0, base1; | |
392 | void *tmpfwbuf = NULL; | |
393 | u8 *fwbuf; | |
9f72c1d9 | 394 | u16 len, blksz_dl = card->sd_blksz_fw_dl; |
789221ec BZ |
395 | int txlen = 0, tx_blocks = 0, count = 0; |
396 | ||
789221ec | 397 | ret = request_firmware(&fw_firmware, card->firmware, |
dcf47f3b | 398 | &card->func->dev); |
789221ec BZ |
399 | if ((ret < 0) || !fw_firmware) { |
400 | BT_ERR("request_firmware(firmware) failed, error code = %d", | |
dcf47f3b | 401 | ret); |
789221ec BZ |
402 | ret = -ENOENT; |
403 | goto done; | |
404 | } | |
405 | ||
406 | firmware = fw_firmware->data; | |
407 | firmwarelen = fw_firmware->size; | |
408 | ||
409 | BT_DBG("Downloading FW image (%d bytes)", firmwarelen); | |
410 | ||
411 | tmpfwbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
f8df39f1 | 412 | tmpfwbuf = kzalloc(tmpfwbufsz, GFP_KERNEL); |
789221ec BZ |
413 | if (!tmpfwbuf) { |
414 | BT_ERR("Unable to allocate buffer for firmware." | |
415 | " Terminating download"); | |
416 | ret = -ENOMEM; | |
417 | goto done; | |
418 | } | |
419 | ||
789221ec BZ |
420 | /* Ensure aligned firmware buffer */ |
421 | fwbuf = (u8 *) ALIGN_ADDR(tmpfwbuf, BTSDIO_DMA_ALIGN); | |
422 | ||
423 | /* Perform firmware data transfer */ | |
424 | offset = 0; | |
425 | do { | |
426 | ret = btmrvl_sdio_poll_card_status(card, | |
dcf47f3b | 427 | CARD_IO_READY | DN_LD_CARD_RDY); |
789221ec BZ |
428 | if (ret < 0) { |
429 | BT_ERR("FW download with helper poll status" | |
dcf47f3b | 430 | " timeout @ %d", offset); |
789221ec BZ |
431 | goto done; |
432 | } | |
433 | ||
434 | /* Check if there is more data ? */ | |
435 | if (offset >= firmwarelen) | |
436 | break; | |
437 | ||
438 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
439 | base0 = sdio_readb(card->func, | |
9f72c1d9 | 440 | card->reg->sq_read_base_addr_a0, &ret); |
789221ec BZ |
441 | if (ret) { |
442 | BT_ERR("BASE0 register read failed:" | |
443 | " base0 = 0x%04X(%d)." | |
444 | " Terminating download", | |
445 | base0, base0); | |
446 | ret = -EIO; | |
447 | goto done; | |
448 | } | |
449 | base1 = sdio_readb(card->func, | |
9f72c1d9 | 450 | card->reg->sq_read_base_addr_a1, &ret); |
789221ec BZ |
451 | if (ret) { |
452 | BT_ERR("BASE1 register read failed:" | |
453 | " base1 = 0x%04X(%d)." | |
454 | " Terminating download", | |
455 | base1, base1); | |
456 | ret = -EIO; | |
457 | goto done; | |
458 | } | |
459 | ||
460 | len = (((u16) base1) << 8) | base0; | |
461 | if (len) | |
462 | break; | |
463 | ||
464 | udelay(10); | |
465 | } | |
466 | ||
467 | if (!len) | |
468 | break; | |
469 | else if (len > BTM_UPLD_SIZE) { | |
470 | BT_ERR("FW download failure @%d, invalid length %d", | |
dcf47f3b | 471 | offset, len); |
789221ec BZ |
472 | ret = -EINVAL; |
473 | goto done; | |
474 | } | |
475 | ||
476 | txlen = len; | |
477 | ||
478 | if (len & BIT(0)) { | |
479 | count++; | |
480 | if (count > MAX_WRITE_IOMEM_RETRY) { | |
481 | BT_ERR("FW download failure @%d, " | |
482 | "over max retry count", offset); | |
483 | ret = -EIO; | |
484 | goto done; | |
485 | } | |
486 | BT_ERR("FW CRC error indicated by the helper: " | |
487 | "len = 0x%04X, txlen = %d", len, txlen); | |
488 | len &= ~BIT(0); | |
489 | /* Set txlen to 0 so as to resend from same offset */ | |
490 | txlen = 0; | |
491 | } else { | |
492 | count = 0; | |
493 | ||
494 | /* Last block ? */ | |
495 | if (firmwarelen - offset < txlen) | |
496 | txlen = firmwarelen - offset; | |
497 | ||
ba34dd3d | 498 | tx_blocks = DIV_ROUND_UP(txlen, blksz_dl); |
789221ec BZ |
499 | |
500 | memcpy(fwbuf, &firmware[offset], txlen); | |
501 | } | |
502 | ||
503 | ret = sdio_writesb(card->func, card->ioport, fwbuf, | |
9f72c1d9 | 504 | tx_blocks * blksz_dl); |
789221ec BZ |
505 | |
506 | if (ret < 0) { | |
507 | BT_ERR("FW download, writesb(%d) failed @%d", | |
dcf47f3b | 508 | count, offset); |
9f72c1d9 KG |
509 | sdio_writeb(card->func, HOST_CMD53_FIN, |
510 | card->reg->cfg, &ret); | |
789221ec BZ |
511 | if (ret) |
512 | BT_ERR("writeb failed (CFG)"); | |
513 | } | |
514 | ||
515 | offset += txlen; | |
516 | } while (true); | |
517 | ||
518 | BT_DBG("FW download over, size %d bytes", offset); | |
519 | ||
520 | ret = 0; | |
521 | ||
522 | done: | |
523 | kfree(tmpfwbuf); | |
59f34fb3 | 524 | release_firmware(fw_firmware); |
789221ec BZ |
525 | return ret; |
526 | } | |
527 | ||
528 | static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv) | |
529 | { | |
530 | u16 buf_len = 0; | |
42632805 | 531 | int ret, num_blocks, blksz; |
789221ec BZ |
532 | struct sk_buff *skb = NULL; |
533 | u32 type; | |
534 | u8 *payload = NULL; | |
535 | struct hci_dev *hdev = priv->btmrvl_dev.hcidev; | |
536 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
537 | ||
789221ec BZ |
538 | if (!card || !card->func) { |
539 | BT_ERR("card or function is NULL!"); | |
540 | ret = -EINVAL; | |
541 | goto exit; | |
542 | } | |
543 | ||
544 | /* Read the length of data to be transferred */ | |
545 | ret = btmrvl_sdio_read_rx_len(card, &buf_len); | |
546 | if (ret < 0) { | |
547 | BT_ERR("read rx_len failed"); | |
548 | ret = -EIO; | |
549 | goto exit; | |
550 | } | |
551 | ||
552 | blksz = SDIO_BLOCK_SIZE; | |
e678bad5 | 553 | num_blocks = DIV_ROUND_UP(buf_len, blksz); |
789221ec BZ |
554 | |
555 | if (buf_len <= SDIO_HEADER_LEN | |
42632805 | 556 | || (num_blocks * blksz) > ALLOC_BUF_SIZE) { |
789221ec BZ |
557 | BT_ERR("invalid packet length: %d", buf_len); |
558 | ret = -EINVAL; | |
559 | goto exit; | |
560 | } | |
561 | ||
562 | /* Allocate buffer */ | |
42632805 | 563 | skb = bt_skb_alloc(num_blocks * blksz + BTSDIO_DMA_ALIGN, GFP_ATOMIC); |
789221ec BZ |
564 | if (skb == NULL) { |
565 | BT_ERR("No free skb"); | |
6ea81c41 | 566 | ret = -ENOMEM; |
789221ec BZ |
567 | goto exit; |
568 | } | |
569 | ||
3318b236 BZ |
570 | if ((unsigned long) skb->data & (BTSDIO_DMA_ALIGN - 1)) { |
571 | skb_put(skb, (unsigned long) skb->data & | |
572 | (BTSDIO_DMA_ALIGN - 1)); | |
573 | skb_pull(skb, (unsigned long) skb->data & | |
574 | (BTSDIO_DMA_ALIGN - 1)); | |
789221ec BZ |
575 | } |
576 | ||
3318b236 | 577 | payload = skb->data; |
789221ec BZ |
578 | |
579 | ret = sdio_readsb(card->func, payload, card->ioport, | |
42632805 | 580 | num_blocks * blksz); |
789221ec BZ |
581 | if (ret < 0) { |
582 | BT_ERR("readsb failed: %d", ret); | |
583 | ret = -EIO; | |
584 | goto exit; | |
585 | } | |
586 | ||
587 | /* This is SDIO specific header length: byte[2][1][0], type: byte[3] | |
588 | * (HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor) | |
589 | */ | |
590 | ||
591 | buf_len = payload[0]; | |
9cb23dd4 AE |
592 | buf_len |= payload[1] << 8; |
593 | buf_len |= payload[2] << 16; | |
594 | ||
595 | if (buf_len > blksz * num_blocks) { | |
596 | BT_ERR("Skip incorrect packet: hdrlen %d buffer %d", | |
597 | buf_len, blksz * num_blocks); | |
598 | ret = -EIO; | |
599 | goto exit; | |
600 | } | |
601 | ||
789221ec BZ |
602 | type = payload[3]; |
603 | ||
604 | switch (type) { | |
605 | case HCI_ACLDATA_PKT: | |
606 | case HCI_SCODATA_PKT: | |
607 | case HCI_EVENT_PKT: | |
608 | bt_cb(skb)->pkt_type = type; | |
789221ec BZ |
609 | skb_put(skb, buf_len); |
610 | skb_pull(skb, SDIO_HEADER_LEN); | |
611 | ||
ea1e76a3 AE |
612 | if (type == HCI_EVENT_PKT) { |
613 | if (btmrvl_check_evtpkt(priv, skb)) | |
e1a26170 | 614 | hci_recv_frame(hdev, skb); |
2c2453f3 | 615 | } else { |
e1a26170 | 616 | hci_recv_frame(hdev, skb); |
2c2453f3 | 617 | } |
789221ec | 618 | |
789221ec BZ |
619 | hdev->stat.byte_rx += buf_len; |
620 | break; | |
621 | ||
622 | case MRVL_VENDOR_PKT: | |
623 | bt_cb(skb)->pkt_type = HCI_VENDOR_PKT; | |
789221ec BZ |
624 | skb_put(skb, buf_len); |
625 | skb_pull(skb, SDIO_HEADER_LEN); | |
626 | ||
627 | if (btmrvl_process_event(priv, skb)) | |
e1a26170 | 628 | hci_recv_frame(hdev, skb); |
789221ec BZ |
629 | |
630 | hdev->stat.byte_rx += buf_len; | |
631 | break; | |
632 | ||
633 | default: | |
af901ca1 | 634 | BT_ERR("Unknown packet type:%d", type); |
78c1b8e8 | 635 | BT_ERR("hex: %*ph", blksz * num_blocks, payload); |
789221ec BZ |
636 | |
637 | kfree_skb(skb); | |
638 | skb = NULL; | |
639 | break; | |
640 | } | |
641 | ||
642 | exit: | |
643 | if (ret) { | |
644 | hdev->stat.err_rx++; | |
7923296f | 645 | kfree_skb(skb); |
789221ec BZ |
646 | } |
647 | ||
789221ec BZ |
648 | return ret; |
649 | } | |
650 | ||
d1d10d78 | 651 | static int btmrvl_sdio_process_int_status(struct btmrvl_private *priv) |
789221ec | 652 | { |
d1d10d78 AK |
653 | ulong flags; |
654 | u8 ireg; | |
789221ec BZ |
655 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; |
656 | ||
d1d10d78 AK |
657 | spin_lock_irqsave(&priv->driver_lock, flags); |
658 | ireg = sdio_ireg; | |
659 | sdio_ireg = 0; | |
660 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
789221ec | 661 | |
d1d10d78 AK |
662 | sdio_claim_host(card->func); |
663 | if (ireg & DN_LD_HOST_INT_STATUS) { | |
789221ec BZ |
664 | if (priv->btmrvl_dev.tx_dnld_rdy) |
665 | BT_DBG("tx_done already received: " | |
d1d10d78 | 666 | " int_status=0x%x", ireg); |
789221ec BZ |
667 | else |
668 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
669 | } | |
670 | ||
d1d10d78 | 671 | if (ireg & UP_LD_HOST_INT_STATUS) |
789221ec BZ |
672 | btmrvl_sdio_card_to_host(priv); |
673 | ||
d1d10d78 | 674 | sdio_release_host(card->func); |
789221ec | 675 | |
d1d10d78 | 676 | return 0; |
789221ec BZ |
677 | } |
678 | ||
0d367408 BZ |
679 | static int btmrvl_sdio_read_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
680 | { | |
681 | struct btmrvl_adapter *adapter = card->priv->adapter; | |
682 | int ret; | |
683 | ||
684 | ret = sdio_readsb(card->func, adapter->hw_regs, 0, SDIO_BLOCK_SIZE); | |
685 | if (ret) { | |
686 | BT_ERR("sdio_readsb: read int hw_regs failed: %d", ret); | |
687 | return ret; | |
688 | } | |
689 | ||
690 | *ireg = adapter->hw_regs[card->reg->host_intstatus]; | |
691 | BT_DBG("hw_regs[%#x]=%#x", card->reg->host_intstatus, *ireg); | |
692 | ||
693 | return 0; | |
694 | } | |
695 | ||
8af4840a BZ |
696 | static int btmrvl_sdio_write_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
697 | { | |
698 | int ret; | |
699 | ||
700 | *ireg = sdio_readb(card->func, card->reg->host_intstatus, &ret); | |
701 | if (ret) { | |
702 | BT_ERR("sdio_readb: read int status failed: %d", ret); | |
703 | return ret; | |
704 | } | |
705 | ||
706 | if (*ireg) { | |
707 | /* | |
708 | * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS | |
709 | * Clear the interrupt status register and re-enable the | |
710 | * interrupt. | |
711 | */ | |
712 | BT_DBG("int_status = 0x%x", *ireg); | |
713 | ||
714 | sdio_writeb(card->func, ~(*ireg) & (DN_LD_HOST_INT_STATUS | | |
715 | UP_LD_HOST_INT_STATUS), | |
716 | card->reg->host_intstatus, &ret); | |
717 | if (ret) { | |
718 | BT_ERR("sdio_writeb: clear int status failed: %d", ret); | |
719 | return ret; | |
720 | } | |
721 | } | |
722 | ||
723 | return 0; | |
724 | } | |
725 | ||
789221ec BZ |
726 | static void btmrvl_sdio_interrupt(struct sdio_func *func) |
727 | { | |
728 | struct btmrvl_private *priv; | |
789221ec | 729 | struct btmrvl_sdio_card *card; |
d1d10d78 | 730 | ulong flags; |
789221ec | 731 | u8 ireg = 0; |
d1d10d78 | 732 | int ret; |
789221ec | 733 | |
789221ec | 734 | card = sdio_get_drvdata(func); |
d1d10d78 AK |
735 | if (!card || !card->priv) { |
736 | BT_ERR("sbi_interrupt(%p) card or priv is " | |
737 | "NULL, card=%p\n", func, card); | |
738 | return; | |
739 | } | |
789221ec | 740 | |
d1d10d78 | 741 | priv = card->priv; |
789221ec | 742 | |
0d367408 BZ |
743 | if (card->reg->int_read_to_clear) |
744 | ret = btmrvl_sdio_read_to_clear(card, &ireg); | |
745 | else | |
746 | ret = btmrvl_sdio_write_to_clear(card, &ireg); | |
747 | ||
8af4840a | 748 | if (ret) |
d1d10d78 | 749 | return; |
d1d10d78 AK |
750 | |
751 | spin_lock_irqsave(&priv->driver_lock, flags); | |
752 | sdio_ireg |= ireg; | |
753 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
754 | ||
755 | btmrvl_interrupt(priv); | |
789221ec BZ |
756 | } |
757 | ||
758 | static int btmrvl_sdio_register_dev(struct btmrvl_sdio_card *card) | |
759 | { | |
789221ec | 760 | struct sdio_func *func; |
dcf47f3b MH |
761 | u8 reg; |
762 | int ret = 0; | |
789221ec | 763 | |
789221ec BZ |
764 | if (!card || !card->func) { |
765 | BT_ERR("Error: card or function is NULL!"); | |
766 | ret = -EINVAL; | |
767 | goto failed; | |
768 | } | |
769 | ||
770 | func = card->func; | |
771 | ||
789221ec BZ |
772 | sdio_claim_host(func); |
773 | ||
774 | ret = sdio_enable_func(func); | |
775 | if (ret) { | |
776 | BT_ERR("sdio_enable_func() failed: ret=%d", ret); | |
777 | ret = -EIO; | |
778 | goto release_host; | |
779 | } | |
780 | ||
781 | ret = sdio_claim_irq(func, btmrvl_sdio_interrupt); | |
782 | if (ret) { | |
783 | BT_ERR("sdio_claim_irq failed: ret=%d", ret); | |
784 | ret = -EIO; | |
785 | goto disable_func; | |
786 | } | |
787 | ||
788 | ret = sdio_set_block_size(card->func, SDIO_BLOCK_SIZE); | |
789 | if (ret) { | |
790 | BT_ERR("cannot set SDIO block size"); | |
791 | ret = -EIO; | |
792 | goto release_irq; | |
793 | } | |
794 | ||
9f72c1d9 | 795 | reg = sdio_readb(func, card->reg->io_port_0, &ret); |
789221ec BZ |
796 | if (ret < 0) { |
797 | ret = -EIO; | |
798 | goto release_irq; | |
799 | } | |
800 | ||
801 | card->ioport = reg; | |
802 | ||
9f72c1d9 | 803 | reg = sdio_readb(func, card->reg->io_port_1, &ret); |
789221ec BZ |
804 | if (ret < 0) { |
805 | ret = -EIO; | |
806 | goto release_irq; | |
807 | } | |
808 | ||
809 | card->ioport |= (reg << 8); | |
810 | ||
9f72c1d9 | 811 | reg = sdio_readb(func, card->reg->io_port_2, &ret); |
789221ec BZ |
812 | if (ret < 0) { |
813 | ret = -EIO; | |
814 | goto release_irq; | |
815 | } | |
816 | ||
817 | card->ioport |= (reg << 16); | |
818 | ||
819 | BT_DBG("SDIO FUNC%d IO port: 0x%x", func->num, card->ioport); | |
820 | ||
0d367408 BZ |
821 | if (card->reg->int_read_to_clear) { |
822 | reg = sdio_readb(func, card->reg->host_int_rsr, &ret); | |
823 | if (ret < 0) { | |
824 | ret = -EIO; | |
825 | goto release_irq; | |
826 | } | |
827 | sdio_writeb(func, reg | 0x3f, card->reg->host_int_rsr, &ret); | |
828 | if (ret < 0) { | |
829 | ret = -EIO; | |
830 | goto release_irq; | |
831 | } | |
832 | ||
833 | reg = sdio_readb(func, card->reg->card_misc_cfg, &ret); | |
834 | if (ret < 0) { | |
835 | ret = -EIO; | |
836 | goto release_irq; | |
837 | } | |
838 | sdio_writeb(func, reg | 0x10, card->reg->card_misc_cfg, &ret); | |
839 | if (ret < 0) { | |
840 | ret = -EIO; | |
841 | goto release_irq; | |
842 | } | |
843 | } | |
844 | ||
789221ec BZ |
845 | sdio_set_drvdata(func, card); |
846 | ||
847 | sdio_release_host(func); | |
848 | ||
789221ec BZ |
849 | return 0; |
850 | ||
851 | release_irq: | |
852 | sdio_release_irq(func); | |
853 | ||
854 | disable_func: | |
855 | sdio_disable_func(func); | |
856 | ||
857 | release_host: | |
858 | sdio_release_host(func); | |
859 | ||
860 | failed: | |
789221ec BZ |
861 | return ret; |
862 | } | |
863 | ||
864 | static int btmrvl_sdio_unregister_dev(struct btmrvl_sdio_card *card) | |
865 | { | |
789221ec BZ |
866 | if (card && card->func) { |
867 | sdio_claim_host(card->func); | |
868 | sdio_release_irq(card->func); | |
869 | sdio_disable_func(card->func); | |
870 | sdio_release_host(card->func); | |
871 | sdio_set_drvdata(card->func, NULL); | |
872 | } | |
873 | ||
789221ec BZ |
874 | return 0; |
875 | } | |
876 | ||
877 | static int btmrvl_sdio_enable_host_int(struct btmrvl_sdio_card *card) | |
878 | { | |
879 | int ret; | |
880 | ||
9374253f | 881 | if (!card || !card->func) |
789221ec | 882 | return -EINVAL; |
789221ec BZ |
883 | |
884 | sdio_claim_host(card->func); | |
885 | ||
886 | ret = btmrvl_sdio_enable_host_int_mask(card, HIM_ENABLE); | |
887 | ||
888 | btmrvl_sdio_get_rx_unit(card); | |
889 | ||
890 | sdio_release_host(card->func); | |
891 | ||
789221ec BZ |
892 | return ret; |
893 | } | |
894 | ||
895 | static int btmrvl_sdio_disable_host_int(struct btmrvl_sdio_card *card) | |
896 | { | |
897 | int ret; | |
898 | ||
9374253f | 899 | if (!card || !card->func) |
789221ec | 900 | return -EINVAL; |
789221ec BZ |
901 | |
902 | sdio_claim_host(card->func); | |
903 | ||
904 | ret = btmrvl_sdio_disable_host_int_mask(card, HIM_DISABLE); | |
905 | ||
906 | sdio_release_host(card->func); | |
907 | ||
789221ec BZ |
908 | return ret; |
909 | } | |
910 | ||
911 | static int btmrvl_sdio_host_to_card(struct btmrvl_private *priv, | |
912 | u8 *payload, u16 nb) | |
913 | { | |
914 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
915 | int ret = 0; | |
916 | int buf_block_len; | |
917 | int blksz; | |
918 | int i = 0; | |
919 | u8 *buf = NULL; | |
920 | void *tmpbuf = NULL; | |
921 | int tmpbufsz; | |
922 | ||
789221ec BZ |
923 | if (!card || !card->func) { |
924 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
925 | return -EINVAL; |
926 | } | |
927 | ||
928 | buf = payload; | |
3318b236 | 929 | if ((unsigned long) payload & (BTSDIO_DMA_ALIGN - 1)) { |
789221ec | 930 | tmpbufsz = ALIGN_SZ(nb, BTSDIO_DMA_ALIGN); |
5959809d JL |
931 | tmpbuf = kzalloc(tmpbufsz, GFP_KERNEL); |
932 | if (!tmpbuf) | |
933 | return -ENOMEM; | |
789221ec BZ |
934 | buf = (u8 *) ALIGN_ADDR(tmpbuf, BTSDIO_DMA_ALIGN); |
935 | memcpy(buf, payload, nb); | |
936 | } | |
937 | ||
938 | blksz = SDIO_BLOCK_SIZE; | |
ba34dd3d | 939 | buf_block_len = DIV_ROUND_UP(nb, blksz); |
789221ec BZ |
940 | |
941 | sdio_claim_host(card->func); | |
942 | ||
943 | do { | |
944 | /* Transfer data to card */ | |
945 | ret = sdio_writesb(card->func, card->ioport, buf, | |
946 | buf_block_len * blksz); | |
947 | if (ret < 0) { | |
948 | i++; | |
949 | BT_ERR("i=%d writesb failed: %d", i, ret); | |
78c1b8e8 | 950 | BT_ERR("hex: %*ph", nb, payload); |
789221ec BZ |
951 | ret = -EIO; |
952 | if (i > MAX_WRITE_IOMEM_RETRY) | |
953 | goto exit; | |
954 | } | |
955 | } while (ret); | |
956 | ||
957 | priv->btmrvl_dev.tx_dnld_rdy = false; | |
958 | ||
959 | exit: | |
960 | sdio_release_host(card->func); | |
88d1a0cf | 961 | kfree(tmpbuf); |
789221ec | 962 | |
789221ec BZ |
963 | return ret; |
964 | } | |
965 | ||
966 | static int btmrvl_sdio_download_fw(struct btmrvl_sdio_card *card) | |
967 | { | |
faff7f74 | 968 | int ret; |
9f72c1d9 KG |
969 | u8 fws0; |
970 | int pollnum = MAX_POLL_TRIES; | |
789221ec | 971 | |
789221ec BZ |
972 | if (!card || !card->func) { |
973 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
974 | return -EINVAL; |
975 | } | |
789221ec BZ |
976 | |
977 | if (!btmrvl_sdio_verify_fw_download(card, 1)) { | |
978 | BT_DBG("Firmware already downloaded!"); | |
c1c999e2 | 979 | return 0; |
789221ec BZ |
980 | } |
981 | ||
c1c999e2 AF |
982 | sdio_claim_host(card->func); |
983 | ||
9f72c1d9 KG |
984 | /* Check if other function driver is downloading the firmware */ |
985 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); | |
789221ec | 986 | if (ret) { |
9f72c1d9 | 987 | BT_ERR("Failed to read FW downloading status!"); |
789221ec BZ |
988 | ret = -EIO; |
989 | goto done; | |
990 | } | |
9f72c1d9 KG |
991 | if (fws0) { |
992 | BT_DBG("BT not the winner (%#x). Skip FW downloading", fws0); | |
993 | ||
994 | /* Give other function more time to download the firmware */ | |
995 | pollnum *= 10; | |
996 | } else { | |
997 | if (card->helper) { | |
998 | ret = btmrvl_sdio_download_helper(card); | |
999 | if (ret) { | |
1000 | BT_ERR("Failed to download helper!"); | |
1001 | ret = -EIO; | |
1002 | goto done; | |
1003 | } | |
1004 | } | |
789221ec | 1005 | |
9f72c1d9 KG |
1006 | if (btmrvl_sdio_download_fw_w_helper(card)) { |
1007 | BT_ERR("Failed to download firmware!"); | |
1008 | ret = -EIO; | |
1009 | goto done; | |
1010 | } | |
789221ec BZ |
1011 | } |
1012 | ||
c1c999e2 AF |
1013 | sdio_release_host(card->func); |
1014 | ||
69676b1c AF |
1015 | /* |
1016 | * winner or not, with this test the FW synchronizes when the | |
1017 | * module can continue its initialization | |
1018 | */ | |
9f72c1d9 | 1019 | if (btmrvl_sdio_verify_fw_download(card, pollnum)) { |
789221ec | 1020 | BT_ERR("FW failed to be active in time!"); |
c1c999e2 | 1021 | return -ETIMEDOUT; |
789221ec BZ |
1022 | } |
1023 | ||
c1c999e2 AF |
1024 | return 0; |
1025 | ||
789221ec BZ |
1026 | done: |
1027 | sdio_release_host(card->func); | |
789221ec BZ |
1028 | return ret; |
1029 | } | |
1030 | ||
1031 | static int btmrvl_sdio_wakeup_fw(struct btmrvl_private *priv) | |
1032 | { | |
1033 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1034 | int ret = 0; | |
1035 | ||
789221ec BZ |
1036 | if (!card || !card->func) { |
1037 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1038 | return -EINVAL; |
1039 | } | |
1040 | ||
1041 | sdio_claim_host(card->func); | |
1042 | ||
9f72c1d9 | 1043 | sdio_writeb(card->func, HOST_POWER_UP, card->reg->cfg, &ret); |
789221ec BZ |
1044 | |
1045 | sdio_release_host(card->func); | |
1046 | ||
1047 | BT_DBG("wake up firmware"); | |
1048 | ||
789221ec BZ |
1049 | return ret; |
1050 | } | |
1051 | ||
1052 | static int btmrvl_sdio_probe(struct sdio_func *func, | |
dcf47f3b | 1053 | const struct sdio_device_id *id) |
789221ec BZ |
1054 | { |
1055 | int ret = 0; | |
1056 | struct btmrvl_private *priv = NULL; | |
1057 | struct btmrvl_sdio_card *card = NULL; | |
1058 | ||
789221ec BZ |
1059 | BT_INFO("vendor=0x%x, device=0x%x, class=%d, fn=%d", |
1060 | id->vendor, id->device, id->class, func->num); | |
1061 | ||
eb17ea3b SK |
1062 | card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL); |
1063 | if (!card) | |
1064 | return -ENOMEM; | |
789221ec BZ |
1065 | |
1066 | card->func = func; | |
1067 | ||
dcf47f3b MH |
1068 | if (id->driver_data) { |
1069 | struct btmrvl_sdio_device *data = (void *) id->driver_data; | |
9f72c1d9 | 1070 | card->helper = data->helper; |
dcf47f3b | 1071 | card->firmware = data->firmware; |
9f72c1d9 KG |
1072 | card->reg = data->reg; |
1073 | card->sd_blksz_fw_dl = data->sd_blksz_fw_dl; | |
4df82b59 | 1074 | card->support_pscan_win_report = data->support_pscan_win_report; |
dcf47f3b MH |
1075 | } |
1076 | ||
789221ec BZ |
1077 | if (btmrvl_sdio_register_dev(card) < 0) { |
1078 | BT_ERR("Failed to register BT device!"); | |
eb17ea3b | 1079 | return -ENODEV; |
789221ec BZ |
1080 | } |
1081 | ||
1082 | /* Disable the interrupts on the card */ | |
1083 | btmrvl_sdio_disable_host_int(card); | |
1084 | ||
1085 | if (btmrvl_sdio_download_fw(card)) { | |
1086 | BT_ERR("Downloading firmware failed!"); | |
1087 | ret = -ENODEV; | |
1088 | goto unreg_dev; | |
1089 | } | |
1090 | ||
789221ec BZ |
1091 | btmrvl_sdio_enable_host_int(card); |
1092 | ||
1093 | priv = btmrvl_add_card(card); | |
1094 | if (!priv) { | |
1095 | BT_ERR("Initializing card failed!"); | |
1096 | ret = -ENODEV; | |
1097 | goto disable_host_int; | |
1098 | } | |
1099 | ||
1100 | card->priv = priv; | |
1101 | ||
1102 | /* Initialize the interface specific function pointers */ | |
1103 | priv->hw_host_to_card = btmrvl_sdio_host_to_card; | |
1104 | priv->hw_wakeup_firmware = btmrvl_sdio_wakeup_fw; | |
d1d10d78 | 1105 | priv->hw_process_int_status = btmrvl_sdio_process_int_status; |
789221ec | 1106 | |
64061607 BZ |
1107 | if (btmrvl_register_hdev(priv)) { |
1108 | BT_ERR("Register hdev failed!"); | |
1109 | ret = -ENODEV; | |
1110 | goto disable_host_int; | |
1111 | } | |
1112 | ||
789221ec BZ |
1113 | return 0; |
1114 | ||
1115 | disable_host_int: | |
1116 | btmrvl_sdio_disable_host_int(card); | |
1117 | unreg_dev: | |
1118 | btmrvl_sdio_unregister_dev(card); | |
789221ec BZ |
1119 | return ret; |
1120 | } | |
1121 | ||
1122 | static void btmrvl_sdio_remove(struct sdio_func *func) | |
1123 | { | |
1124 | struct btmrvl_sdio_card *card; | |
1125 | ||
789221ec BZ |
1126 | if (func) { |
1127 | card = sdio_get_drvdata(func); | |
1128 | if (card) { | |
1129 | /* Send SHUTDOWN command & disable interrupt | |
1130 | * if user removes the module. | |
1131 | */ | |
1132 | if (user_rmmod) { | |
1133 | btmrvl_send_module_cfg_cmd(card->priv, | |
1134 | MODULE_SHUTDOWN_REQ); | |
1135 | btmrvl_sdio_disable_host_int(card); | |
1136 | } | |
1137 | BT_DBG("unregester dev"); | |
1138 | btmrvl_sdio_unregister_dev(card); | |
1139 | btmrvl_remove_card(card->priv); | |
789221ec BZ |
1140 | } |
1141 | } | |
789221ec BZ |
1142 | } |
1143 | ||
ba54a16f AK |
1144 | static int btmrvl_sdio_suspend(struct device *dev) |
1145 | { | |
1146 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1147 | struct btmrvl_sdio_card *card; | |
1148 | struct btmrvl_private *priv; | |
1149 | mmc_pm_flag_t pm_flags; | |
1150 | struct hci_dev *hcidev; | |
1151 | ||
1152 | if (func) { | |
1153 | pm_flags = sdio_get_host_pm_caps(func); | |
1154 | BT_DBG("%s: suspend: PM flags = 0x%x", sdio_func_id(func), | |
1155 | pm_flags); | |
1156 | if (!(pm_flags & MMC_PM_KEEP_POWER)) { | |
1157 | BT_ERR("%s: cannot remain alive while suspended", | |
1158 | sdio_func_id(func)); | |
1159 | return -ENOSYS; | |
1160 | } | |
1161 | card = sdio_get_drvdata(func); | |
1162 | if (!card || !card->priv) { | |
1163 | BT_ERR("card or priv structure is not valid"); | |
1164 | return 0; | |
1165 | } | |
1166 | } else { | |
1167 | BT_ERR("sdio_func is not specified"); | |
1168 | return 0; | |
1169 | } | |
1170 | ||
1171 | priv = card->priv; | |
1172 | ||
1173 | if (priv->adapter->hs_state != HS_ACTIVATED) { | |
1174 | if (btmrvl_enable_hs(priv)) { | |
1175 | BT_ERR("HS not actived, suspend failed!"); | |
1176 | return -EBUSY; | |
1177 | } | |
1178 | } | |
1179 | hcidev = priv->btmrvl_dev.hcidev; | |
1180 | BT_DBG("%s: SDIO suspend", hcidev->name); | |
1181 | hci_suspend_dev(hcidev); | |
1182 | skb_queue_purge(&priv->adapter->tx_queue); | |
1183 | ||
1184 | priv->adapter->is_suspended = true; | |
1185 | ||
1186 | /* We will keep the power when hs enabled successfully */ | |
1187 | if (priv->adapter->hs_state == HS_ACTIVATED) { | |
1188 | BT_DBG("suspend with MMC_PM_KEEP_POWER"); | |
1189 | return sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); | |
1190 | } else { | |
1191 | BT_DBG("suspend without MMC_PM_KEEP_POWER"); | |
1192 | return 0; | |
1193 | } | |
1194 | } | |
1195 | ||
1196 | static int btmrvl_sdio_resume(struct device *dev) | |
1197 | { | |
1198 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1199 | struct btmrvl_sdio_card *card; | |
1200 | struct btmrvl_private *priv; | |
1201 | mmc_pm_flag_t pm_flags; | |
1202 | struct hci_dev *hcidev; | |
1203 | ||
1204 | if (func) { | |
1205 | pm_flags = sdio_get_host_pm_caps(func); | |
1206 | BT_DBG("%s: resume: PM flags = 0x%x", sdio_func_id(func), | |
1207 | pm_flags); | |
1208 | card = sdio_get_drvdata(func); | |
1209 | if (!card || !card->priv) { | |
1210 | BT_ERR("card or priv structure is not valid"); | |
1211 | return 0; | |
1212 | } | |
1213 | } else { | |
1214 | BT_ERR("sdio_func is not specified"); | |
1215 | return 0; | |
1216 | } | |
1217 | priv = card->priv; | |
1218 | ||
1219 | if (!priv->adapter->is_suspended) { | |
1220 | BT_DBG("device already resumed"); | |
1221 | return 0; | |
1222 | } | |
1223 | ||
1224 | priv->adapter->is_suspended = false; | |
1225 | hcidev = priv->btmrvl_dev.hcidev; | |
1226 | BT_DBG("%s: SDIO resume", hcidev->name); | |
1227 | hci_resume_dev(hcidev); | |
1228 | priv->hw_wakeup_firmware(priv); | |
1229 | priv->adapter->hs_state = HS_DEACTIVATED; | |
1230 | BT_DBG("%s: HS DEACTIVATED in resume!", hcidev->name); | |
1231 | ||
1232 | return 0; | |
1233 | } | |
1234 | ||
1235 | static const struct dev_pm_ops btmrvl_sdio_pm_ops = { | |
1236 | .suspend = btmrvl_sdio_suspend, | |
1237 | .resume = btmrvl_sdio_resume, | |
1238 | }; | |
1239 | ||
789221ec BZ |
1240 | static struct sdio_driver bt_mrvl_sdio = { |
1241 | .name = "btmrvl_sdio", | |
1242 | .id_table = btmrvl_sdio_ids, | |
1243 | .probe = btmrvl_sdio_probe, | |
1244 | .remove = btmrvl_sdio_remove, | |
ba54a16f AK |
1245 | .drv = { |
1246 | .owner = THIS_MODULE, | |
1247 | .pm = &btmrvl_sdio_pm_ops, | |
1248 | } | |
789221ec BZ |
1249 | }; |
1250 | ||
8e5b2308 | 1251 | static int __init btmrvl_sdio_init_module(void) |
789221ec | 1252 | { |
789221ec BZ |
1253 | if (sdio_register_driver(&bt_mrvl_sdio) != 0) { |
1254 | BT_ERR("SDIO Driver Registration Failed"); | |
789221ec BZ |
1255 | return -ENODEV; |
1256 | } | |
1257 | ||
1258 | /* Clear the flag in case user removes the card. */ | |
1259 | user_rmmod = 0; | |
1260 | ||
789221ec BZ |
1261 | return 0; |
1262 | } | |
1263 | ||
8e5b2308 | 1264 | static void __exit btmrvl_sdio_exit_module(void) |
789221ec | 1265 | { |
789221ec BZ |
1266 | /* Set the flag as user is removing this module. */ |
1267 | user_rmmod = 1; | |
1268 | ||
1269 | sdio_unregister_driver(&bt_mrvl_sdio); | |
789221ec BZ |
1270 | } |
1271 | ||
1272 | module_init(btmrvl_sdio_init_module); | |
1273 | module_exit(btmrvl_sdio_exit_module); | |
1274 | ||
1275 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 1276 | MODULE_DESCRIPTION("Marvell BT-over-SDIO driver ver " VERSION); |
789221ec BZ |
1277 | MODULE_VERSION(VERSION); |
1278 | MODULE_LICENSE("GPL v2"); | |
77189df4 LR |
1279 | MODULE_FIRMWARE("mrvl/sd8688_helper.bin"); |
1280 | MODULE_FIRMWARE("mrvl/sd8688.bin"); | |
9f72c1d9 | 1281 | MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin"); |
2ac654f7 | 1282 | MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin"); |
22f2efed | 1283 | MODULE_FIRMWARE("mrvl/sd8897_uapsta.bin"); |