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