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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 | ||
bb7f4f0b XH |
55 | static const struct of_device_id btmrvl_sdio_of_match_table[] = { |
56 | { .compatible = "marvell,sd8897-bt" }, | |
57 | { .compatible = "marvell,sd8997-bt" }, | |
58 | { } | |
59 | }; | |
60 | ||
61 | static irqreturn_t btmrvl_wake_irq_bt(int irq, void *priv) | |
62 | { | |
63 | struct btmrvl_plt_wake_cfg *cfg = priv; | |
64 | ||
65 | if (cfg->irq_bt >= 0) { | |
66 | pr_info("%s: wake by bt", __func__); | |
67 | cfg->wake_by_bt = true; | |
68 | disable_irq_nosync(irq); | |
69 | } | |
70 | ||
71 | return IRQ_HANDLED; | |
72 | } | |
73 | ||
74 | /* This function parses device tree node using mmc subnode devicetree API. | |
75 | * The device node is saved in card->plt_of_node. | |
76 | * If the device tree node exists and includes interrupts attributes, this | |
77 | * function will request platform specific wakeup interrupt. | |
78 | */ | |
79 | static int btmrvl_sdio_probe_of(struct device *dev, | |
80 | struct btmrvl_sdio_card *card) | |
81 | { | |
82 | struct btmrvl_plt_wake_cfg *cfg; | |
83 | int ret; | |
84 | ||
85 | if (!dev->of_node || | |
86 | !of_match_node(btmrvl_sdio_of_match_table, dev->of_node)) { | |
87 | pr_err("sdio platform data not available"); | |
88 | return -1; | |
89 | } | |
90 | ||
91 | card->plt_of_node = dev->of_node; | |
92 | ||
93 | card->plt_wake_cfg = devm_kzalloc(dev, sizeof(*card->plt_wake_cfg), | |
94 | GFP_KERNEL); | |
95 | cfg = card->plt_wake_cfg; | |
96 | if (cfg && card->plt_of_node) { | |
97 | cfg->irq_bt = irq_of_parse_and_map(card->plt_of_node, 0); | |
98 | if (!cfg->irq_bt) { | |
99 | dev_err(dev, "fail to parse irq_bt from device tree"); | |
100 | } else { | |
101 | ret = devm_request_irq(dev, cfg->irq_bt, | |
102 | btmrvl_wake_irq_bt, | |
103 | IRQF_TRIGGER_LOW, | |
104 | "bt_wake", cfg); | |
105 | if (ret) { | |
106 | dev_err(dev, | |
107 | "Failed to request irq_bt %d (%d)\n", | |
108 | cfg->irq_bt, ret); | |
109 | } | |
110 | disable_irq(cfg->irq_bt); | |
111 | } | |
112 | } | |
113 | ||
114 | return 0; | |
115 | } | |
116 | ||
789221ec BZ |
117 | /* The btmrvl_sdio_remove() callback function is called |
118 | * when user removes this module from kernel space or ejects | |
119 | * the card from the slot. The driver handles these 2 cases | |
120 | * differently. | |
121 | * If the user is removing the module, a MODULE_SHUTDOWN_REQ | |
122 | * command is sent to firmware and interrupt will be disabled. | |
123 | * If the card is removed, there is no need to send command | |
124 | * or disable interrupt. | |
125 | * | |
126 | * The variable 'user_rmmod' is used to distinguish these two | |
127 | * scenarios. This flag is initialized as FALSE in case the card | |
128 | * is removed, and will be set to TRUE for module removal when | |
129 | * module_exit function is called. | |
130 | */ | |
131 | static u8 user_rmmod; | |
d1d10d78 | 132 | static u8 sdio_ireg; |
789221ec | 133 | |
9f72c1d9 KG |
134 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8688 = { |
135 | .cfg = 0x03, | |
136 | .host_int_mask = 0x04, | |
137 | .host_intstatus = 0x05, | |
138 | .card_status = 0x20, | |
139 | .sq_read_base_addr_a0 = 0x10, | |
140 | .sq_read_base_addr_a1 = 0x11, | |
141 | .card_fw_status0 = 0x40, | |
142 | .card_fw_status1 = 0x41, | |
143 | .card_rx_len = 0x42, | |
144 | .card_rx_unit = 0x43, | |
145 | .io_port_0 = 0x00, | |
146 | .io_port_1 = 0x01, | |
147 | .io_port_2 = 0x02, | |
0d367408 | 148 | .int_read_to_clear = false, |
9f72c1d9 | 149 | }; |
2ac654f7 | 150 | static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = { |
9f72c1d9 KG |
151 | .cfg = 0x00, |
152 | .host_int_mask = 0x02, | |
153 | .host_intstatus = 0x03, | |
154 | .card_status = 0x30, | |
155 | .sq_read_base_addr_a0 = 0x40, | |
156 | .sq_read_base_addr_a1 = 0x41, | |
157 | .card_revision = 0x5c, | |
158 | .card_fw_status0 = 0x60, | |
159 | .card_fw_status1 = 0x61, | |
160 | .card_rx_len = 0x62, | |
161 | .card_rx_unit = 0x63, | |
162 | .io_port_0 = 0x78, | |
163 | .io_port_1 = 0x79, | |
164 | .io_port_2 = 0x7a, | |
0d367408 | 165 | .int_read_to_clear = false, |
9f72c1d9 KG |
166 | }; |
167 | ||
3907d558 XH |
168 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8887 = { |
169 | .cfg = 0x00, | |
170 | .host_int_mask = 0x08, | |
171 | .host_intstatus = 0x0C, | |
172 | .card_status = 0x5C, | |
173 | .sq_read_base_addr_a0 = 0x6C, | |
174 | .sq_read_base_addr_a1 = 0x6D, | |
175 | .card_revision = 0xC8, | |
176 | .card_fw_status0 = 0x88, | |
177 | .card_fw_status1 = 0x89, | |
178 | .card_rx_len = 0x8A, | |
179 | .card_rx_unit = 0x8B, | |
180 | .io_port_0 = 0xE4, | |
181 | .io_port_1 = 0xE5, | |
182 | .io_port_2 = 0xE6, | |
183 | .int_read_to_clear = true, | |
184 | .host_int_rsr = 0x04, | |
185 | .card_misc_cfg = 0xD8, | |
186 | }; | |
187 | ||
1e3e492c | 188 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8897 = { |
22f2efed BZ |
189 | .cfg = 0x00, |
190 | .host_int_mask = 0x02, | |
191 | .host_intstatus = 0x03, | |
192 | .card_status = 0x50, | |
193 | .sq_read_base_addr_a0 = 0x60, | |
194 | .sq_read_base_addr_a1 = 0x61, | |
195 | .card_revision = 0xbc, | |
196 | .card_fw_status0 = 0xc0, | |
197 | .card_fw_status1 = 0xc1, | |
198 | .card_rx_len = 0xc2, | |
199 | .card_rx_unit = 0xc3, | |
200 | .io_port_0 = 0xd8, | |
201 | .io_port_1 = 0xd9, | |
202 | .io_port_2 = 0xda, | |
0d367408 BZ |
203 | .int_read_to_clear = true, |
204 | .host_int_rsr = 0x01, | |
205 | .card_misc_cfg = 0xcc, | |
dc759613 XH |
206 | .fw_dump_ctrl = 0xe2, |
207 | .fw_dump_start = 0xe3, | |
208 | .fw_dump_end = 0xea, | |
22f2efed BZ |
209 | }; |
210 | ||
f0ef6748 AK |
211 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8997 = { |
212 | .cfg = 0x00, | |
213 | .host_int_mask = 0x08, | |
214 | .host_intstatus = 0x0c, | |
215 | .card_status = 0x5c, | |
216 | .sq_read_base_addr_a0 = 0xf8, | |
217 | .sq_read_base_addr_a1 = 0xf9, | |
218 | .card_revision = 0xc8, | |
219 | .card_fw_status0 = 0xe8, | |
220 | .card_fw_status1 = 0xe9, | |
221 | .card_rx_len = 0xea, | |
222 | .card_rx_unit = 0xeb, | |
223 | .io_port_0 = 0xe4, | |
224 | .io_port_1 = 0xe5, | |
225 | .io_port_2 = 0xe6, | |
226 | .int_read_to_clear = true, | |
227 | .host_int_rsr = 0x04, | |
228 | .card_misc_cfg = 0xD8, | |
229 | .fw_dump_ctrl = 0xf0, | |
230 | .fw_dump_start = 0xf1, | |
231 | .fw_dump_end = 0xf8, | |
232 | }; | |
233 | ||
c675786a | 234 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = { |
77189df4 LR |
235 | .helper = "mrvl/sd8688_helper.bin", |
236 | .firmware = "mrvl/sd8688.bin", | |
9f72c1d9 | 237 | .reg = &btmrvl_reg_8688, |
4df82b59 | 238 | .support_pscan_win_report = false, |
9f72c1d9 | 239 | .sd_blksz_fw_dl = 64, |
dc759613 | 240 | .supports_fw_dump = false, |
9f72c1d9 KG |
241 | }; |
242 | ||
243 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = { | |
244 | .helper = NULL, | |
245 | .firmware = "mrvl/sd8787_uapsta.bin", | |
2ac654f7 | 246 | .reg = &btmrvl_reg_87xx, |
4df82b59 | 247 | .support_pscan_win_report = false, |
2ac654f7 | 248 | .sd_blksz_fw_dl = 256, |
dc759613 | 249 | .supports_fw_dump = false, |
2ac654f7 BZ |
250 | }; |
251 | ||
252 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = { | |
253 | .helper = NULL, | |
254 | .firmware = "mrvl/sd8797_uapsta.bin", | |
255 | .reg = &btmrvl_reg_87xx, | |
4df82b59 | 256 | .support_pscan_win_report = false, |
9f72c1d9 | 257 | .sd_blksz_fw_dl = 256, |
dc759613 | 258 | .supports_fw_dump = false, |
789221ec BZ |
259 | }; |
260 | ||
3907d558 XH |
261 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8887 = { |
262 | .helper = NULL, | |
263 | .firmware = "mrvl/sd8887_uapsta.bin", | |
264 | .reg = &btmrvl_reg_8887, | |
265 | .support_pscan_win_report = true, | |
266 | .sd_blksz_fw_dl = 256, | |
dc759613 | 267 | .supports_fw_dump = false, |
3907d558 XH |
268 | }; |
269 | ||
22f2efed BZ |
270 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8897 = { |
271 | .helper = NULL, | |
272 | .firmware = "mrvl/sd8897_uapsta.bin", | |
1e3e492c | 273 | .reg = &btmrvl_reg_8897, |
4df82b59 | 274 | .support_pscan_win_report = true, |
22f2efed | 275 | .sd_blksz_fw_dl = 256, |
dc759613 | 276 | .supports_fw_dump = true, |
22f2efed BZ |
277 | }; |
278 | ||
f0ef6748 AK |
279 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8997 = { |
280 | .helper = NULL, | |
281 | .firmware = "mrvl/sd8997_uapsta.bin", | |
282 | .reg = &btmrvl_reg_8997, | |
283 | .support_pscan_win_report = true, | |
284 | .sd_blksz_fw_dl = 256, | |
285 | .supports_fw_dump = true, | |
286 | }; | |
287 | ||
dcf47f3b MH |
288 | static const struct sdio_device_id btmrvl_sdio_ids[] = { |
289 | /* Marvell SD8688 Bluetooth device */ | |
290 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9105), | |
53d6cfa5 | 291 | .driver_data = (unsigned long)&btmrvl_sdio_sd8688 }, |
9f72c1d9 KG |
292 | /* Marvell SD8787 Bluetooth device */ |
293 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A), | |
53d6cfa5 | 294 | .driver_data = (unsigned long)&btmrvl_sdio_sd8787 }, |
37ed561e BZ |
295 | /* Marvell SD8787 Bluetooth AMP device */ |
296 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911B), | |
53d6cfa5 | 297 | .driver_data = (unsigned long)&btmrvl_sdio_sd8787 }, |
2ac654f7 BZ |
298 | /* Marvell SD8797 Bluetooth device */ |
299 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A), | |
53d6cfa5 | 300 | .driver_data = (unsigned long)&btmrvl_sdio_sd8797 }, |
3907d558 XH |
301 | /* Marvell SD8887 Bluetooth device */ |
302 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9136), | |
303 | .driver_data = (unsigned long)&btmrvl_sdio_sd8887 }, | |
22f2efed BZ |
304 | /* Marvell SD8897 Bluetooth device */ |
305 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912E), | |
53d6cfa5 | 306 | .driver_data = (unsigned long)&btmrvl_sdio_sd8897 }, |
f0ef6748 AK |
307 | /* Marvell SD8997 Bluetooth device */ |
308 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9142), | |
309 | .driver_data = (unsigned long)&btmrvl_sdio_sd8997 }, | |
789221ec | 310 | |
dcf47f3b | 311 | { } /* Terminating entry */ |
789221ec BZ |
312 | }; |
313 | ||
dcf47f3b MH |
314 | MODULE_DEVICE_TABLE(sdio, btmrvl_sdio_ids); |
315 | ||
789221ec BZ |
316 | static int btmrvl_sdio_get_rx_unit(struct btmrvl_sdio_card *card) |
317 | { | |
318 | u8 reg; | |
319 | int ret; | |
320 | ||
9f72c1d9 | 321 | reg = sdio_readb(card->func, card->reg->card_rx_unit, &ret); |
789221ec BZ |
322 | if (!ret) |
323 | card->rx_unit = reg; | |
324 | ||
789221ec BZ |
325 | return ret; |
326 | } | |
327 | ||
328 | static int btmrvl_sdio_read_fw_status(struct btmrvl_sdio_card *card, u16 *dat) | |
329 | { | |
789221ec | 330 | u8 fws0, fws1; |
9374253f | 331 | int ret; |
789221ec BZ |
332 | |
333 | *dat = 0; | |
334 | ||
9f72c1d9 | 335 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); |
278be27f KV |
336 | if (ret) |
337 | return -EIO; | |
789221ec | 338 | |
9f72c1d9 | 339 | fws1 = sdio_readb(card->func, card->reg->card_fw_status1, &ret); |
9374253f | 340 | if (ret) |
789221ec | 341 | return -EIO; |
789221ec BZ |
342 | |
343 | *dat = (((u16) fws1) << 8) | fws0; | |
344 | ||
789221ec BZ |
345 | return 0; |
346 | } | |
347 | ||
348 | static int btmrvl_sdio_read_rx_len(struct btmrvl_sdio_card *card, u16 *dat) | |
349 | { | |
789221ec | 350 | u8 reg; |
9374253f | 351 | int ret; |
789221ec | 352 | |
9f72c1d9 | 353 | reg = sdio_readb(card->func, card->reg->card_rx_len, &ret); |
789221ec BZ |
354 | if (!ret) |
355 | *dat = (u16) reg << card->rx_unit; | |
356 | ||
789221ec BZ |
357 | return ret; |
358 | } | |
359 | ||
360 | static int btmrvl_sdio_enable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 361 | u8 mask) |
789221ec BZ |
362 | { |
363 | int ret; | |
364 | ||
9f72c1d9 | 365 | sdio_writeb(card->func, mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
366 | if (ret) { |
367 | BT_ERR("Unable to enable the host interrupt!"); | |
368 | ret = -EIO; | |
369 | } | |
370 | ||
789221ec BZ |
371 | return ret; |
372 | } | |
373 | ||
374 | static int btmrvl_sdio_disable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 375 | u8 mask) |
789221ec | 376 | { |
789221ec | 377 | u8 host_int_mask; |
9374253f | 378 | int ret; |
789221ec | 379 | |
9f72c1d9 | 380 | host_int_mask = sdio_readb(card->func, card->reg->host_int_mask, &ret); |
9374253f MH |
381 | if (ret) |
382 | return -EIO; | |
789221ec BZ |
383 | |
384 | host_int_mask &= ~mask; | |
385 | ||
9f72c1d9 | 386 | sdio_writeb(card->func, host_int_mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
387 | if (ret < 0) { |
388 | BT_ERR("Unable to disable the host interrupt!"); | |
9374253f | 389 | return -EIO; |
789221ec BZ |
390 | } |
391 | ||
9374253f | 392 | return 0; |
789221ec BZ |
393 | } |
394 | ||
395 | static int btmrvl_sdio_poll_card_status(struct btmrvl_sdio_card *card, u8 bits) | |
396 | { | |
397 | unsigned int tries; | |
789221ec | 398 | u8 status; |
9374253f | 399 | int ret; |
789221ec BZ |
400 | |
401 | for (tries = 0; tries < MAX_POLL_TRIES * 1000; tries++) { | |
9f72c1d9 | 402 | status = sdio_readb(card->func, card->reg->card_status, &ret); |
789221ec BZ |
403 | if (ret) |
404 | goto failed; | |
405 | if ((status & bits) == bits) | |
9374253f | 406 | return ret; |
789221ec BZ |
407 | |
408 | udelay(1); | |
409 | } | |
410 | ||
411 | ret = -ETIMEDOUT; | |
412 | ||
413 | failed: | |
414 | BT_ERR("FAILED! ret=%d", ret); | |
415 | ||
789221ec BZ |
416 | return ret; |
417 | } | |
418 | ||
419 | static int btmrvl_sdio_verify_fw_download(struct btmrvl_sdio_card *card, | |
dcf47f3b | 420 | int pollnum) |
789221ec | 421 | { |
789221ec | 422 | u16 firmwarestat; |
69676b1c | 423 | int tries, ret; |
789221ec | 424 | |
789221ec BZ |
425 | /* Wait for firmware to become ready */ |
426 | for (tries = 0; tries < pollnum; tries++) { | |
c1c999e2 AF |
427 | sdio_claim_host(card->func); |
428 | ret = btmrvl_sdio_read_fw_status(card, &firmwarestat); | |
429 | sdio_release_host(card->func); | |
430 | if (ret < 0) | |
789221ec BZ |
431 | continue; |
432 | ||
69676b1c AF |
433 | if (firmwarestat == FIRMWARE_READY) |
434 | return 0; | |
435 | ||
9a01242d | 436 | msleep(100); |
789221ec BZ |
437 | } |
438 | ||
69676b1c | 439 | return -ETIMEDOUT; |
789221ec BZ |
440 | } |
441 | ||
442 | static int btmrvl_sdio_download_helper(struct btmrvl_sdio_card *card) | |
443 | { | |
444 | const struct firmware *fw_helper = NULL; | |
445 | const u8 *helper = NULL; | |
446 | int ret; | |
447 | void *tmphlprbuf = NULL; | |
448 | int tmphlprbufsz, hlprblknow, helperlen; | |
449 | u8 *helperbuf; | |
450 | u32 tx_len; | |
451 | ||
789221ec | 452 | ret = request_firmware(&fw_helper, card->helper, |
dcf47f3b | 453 | &card->func->dev); |
789221ec BZ |
454 | if ((ret < 0) || !fw_helper) { |
455 | BT_ERR("request_firmware(helper) failed, error code = %d", | |
dcf47f3b | 456 | ret); |
789221ec BZ |
457 | ret = -ENOENT; |
458 | goto done; | |
459 | } | |
460 | ||
461 | helper = fw_helper->data; | |
462 | helperlen = fw_helper->size; | |
463 | ||
464 | BT_DBG("Downloading helper image (%d bytes), block size %d bytes", | |
dcf47f3b | 465 | helperlen, SDIO_BLOCK_SIZE); |
789221ec BZ |
466 | |
467 | tmphlprbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
468 | ||
f8df39f1 | 469 | tmphlprbuf = kzalloc(tmphlprbufsz, GFP_KERNEL); |
789221ec BZ |
470 | if (!tmphlprbuf) { |
471 | BT_ERR("Unable to allocate buffer for helper." | |
472 | " Terminating download"); | |
473 | ret = -ENOMEM; | |
474 | goto done; | |
475 | } | |
476 | ||
789221ec BZ |
477 | helperbuf = (u8 *) ALIGN_ADDR(tmphlprbuf, BTSDIO_DMA_ALIGN); |
478 | ||
479 | /* Perform helper data transfer */ | |
480 | tx_len = (FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE) | |
481 | - SDIO_HEADER_LEN; | |
482 | hlprblknow = 0; | |
483 | ||
484 | do { | |
485 | ret = btmrvl_sdio_poll_card_status(card, | |
486 | CARD_IO_READY | DN_LD_CARD_RDY); | |
487 | if (ret < 0) { | |
488 | BT_ERR("Helper download poll status timeout @ %d", | |
489 | hlprblknow); | |
490 | goto done; | |
491 | } | |
492 | ||
493 | /* Check if there is more data? */ | |
494 | if (hlprblknow >= helperlen) | |
495 | break; | |
496 | ||
497 | if (helperlen - hlprblknow < tx_len) | |
498 | tx_len = helperlen - hlprblknow; | |
499 | ||
500 | /* Little-endian */ | |
501 | helperbuf[0] = ((tx_len & 0x000000ff) >> 0); | |
502 | helperbuf[1] = ((tx_len & 0x0000ff00) >> 8); | |
503 | helperbuf[2] = ((tx_len & 0x00ff0000) >> 16); | |
504 | helperbuf[3] = ((tx_len & 0xff000000) >> 24); | |
505 | ||
506 | memcpy(&helperbuf[SDIO_HEADER_LEN], &helper[hlprblknow], | |
507 | tx_len); | |
508 | ||
509 | /* Now send the data */ | |
dcf47f3b MH |
510 | ret = sdio_writesb(card->func, card->ioport, helperbuf, |
511 | FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE); | |
789221ec BZ |
512 | if (ret < 0) { |
513 | BT_ERR("IO error during helper download @ %d", | |
514 | hlprblknow); | |
515 | goto done; | |
516 | } | |
517 | ||
518 | hlprblknow += tx_len; | |
519 | } while (true); | |
520 | ||
521 | BT_DBG("Transferring helper image EOF block"); | |
522 | ||
523 | memset(helperbuf, 0x0, SDIO_BLOCK_SIZE); | |
524 | ||
525 | ret = sdio_writesb(card->func, card->ioport, helperbuf, | |
dcf47f3b | 526 | SDIO_BLOCK_SIZE); |
789221ec BZ |
527 | if (ret < 0) { |
528 | BT_ERR("IO error in writing helper image EOF block"); | |
529 | goto done; | |
530 | } | |
531 | ||
532 | ret = 0; | |
533 | ||
534 | done: | |
535 | kfree(tmphlprbuf); | |
59f34fb3 | 536 | release_firmware(fw_helper); |
789221ec BZ |
537 | return ret; |
538 | } | |
539 | ||
540 | static int btmrvl_sdio_download_fw_w_helper(struct btmrvl_sdio_card *card) | |
541 | { | |
542 | const struct firmware *fw_firmware = NULL; | |
543 | const u8 *firmware = NULL; | |
544 | int firmwarelen, tmpfwbufsz, ret; | |
545 | unsigned int tries, offset; | |
546 | u8 base0, base1; | |
547 | void *tmpfwbuf = NULL; | |
548 | u8 *fwbuf; | |
9f72c1d9 | 549 | u16 len, blksz_dl = card->sd_blksz_fw_dl; |
789221ec BZ |
550 | int txlen = 0, tx_blocks = 0, count = 0; |
551 | ||
789221ec | 552 | ret = request_firmware(&fw_firmware, card->firmware, |
dcf47f3b | 553 | &card->func->dev); |
789221ec BZ |
554 | if ((ret < 0) || !fw_firmware) { |
555 | BT_ERR("request_firmware(firmware) failed, error code = %d", | |
dcf47f3b | 556 | ret); |
789221ec BZ |
557 | ret = -ENOENT; |
558 | goto done; | |
559 | } | |
560 | ||
561 | firmware = fw_firmware->data; | |
562 | firmwarelen = fw_firmware->size; | |
563 | ||
564 | BT_DBG("Downloading FW image (%d bytes)", firmwarelen); | |
565 | ||
566 | tmpfwbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
f8df39f1 | 567 | tmpfwbuf = kzalloc(tmpfwbufsz, GFP_KERNEL); |
789221ec BZ |
568 | if (!tmpfwbuf) { |
569 | BT_ERR("Unable to allocate buffer for firmware." | |
570 | " Terminating download"); | |
571 | ret = -ENOMEM; | |
572 | goto done; | |
573 | } | |
574 | ||
789221ec BZ |
575 | /* Ensure aligned firmware buffer */ |
576 | fwbuf = (u8 *) ALIGN_ADDR(tmpfwbuf, BTSDIO_DMA_ALIGN); | |
577 | ||
578 | /* Perform firmware data transfer */ | |
579 | offset = 0; | |
580 | do { | |
581 | ret = btmrvl_sdio_poll_card_status(card, | |
dcf47f3b | 582 | CARD_IO_READY | DN_LD_CARD_RDY); |
789221ec BZ |
583 | if (ret < 0) { |
584 | BT_ERR("FW download with helper poll status" | |
dcf47f3b | 585 | " timeout @ %d", offset); |
789221ec BZ |
586 | goto done; |
587 | } | |
588 | ||
589 | /* Check if there is more data ? */ | |
590 | if (offset >= firmwarelen) | |
591 | break; | |
592 | ||
593 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
594 | base0 = sdio_readb(card->func, | |
9f72c1d9 | 595 | card->reg->sq_read_base_addr_a0, &ret); |
789221ec BZ |
596 | if (ret) { |
597 | BT_ERR("BASE0 register read failed:" | |
598 | " base0 = 0x%04X(%d)." | |
599 | " Terminating download", | |
600 | base0, base0); | |
601 | ret = -EIO; | |
602 | goto done; | |
603 | } | |
604 | base1 = sdio_readb(card->func, | |
9f72c1d9 | 605 | card->reg->sq_read_base_addr_a1, &ret); |
789221ec BZ |
606 | if (ret) { |
607 | BT_ERR("BASE1 register read failed:" | |
608 | " base1 = 0x%04X(%d)." | |
609 | " Terminating download", | |
610 | base1, base1); | |
611 | ret = -EIO; | |
612 | goto done; | |
613 | } | |
614 | ||
615 | len = (((u16) base1) << 8) | base0; | |
616 | if (len) | |
617 | break; | |
618 | ||
619 | udelay(10); | |
620 | } | |
621 | ||
622 | if (!len) | |
623 | break; | |
624 | else if (len > BTM_UPLD_SIZE) { | |
625 | BT_ERR("FW download failure @%d, invalid length %d", | |
dcf47f3b | 626 | offset, len); |
789221ec BZ |
627 | ret = -EINVAL; |
628 | goto done; | |
629 | } | |
630 | ||
631 | txlen = len; | |
632 | ||
633 | if (len & BIT(0)) { | |
634 | count++; | |
635 | if (count > MAX_WRITE_IOMEM_RETRY) { | |
636 | BT_ERR("FW download failure @%d, " | |
637 | "over max retry count", offset); | |
638 | ret = -EIO; | |
639 | goto done; | |
640 | } | |
641 | BT_ERR("FW CRC error indicated by the helper: " | |
642 | "len = 0x%04X, txlen = %d", len, txlen); | |
643 | len &= ~BIT(0); | |
644 | /* Set txlen to 0 so as to resend from same offset */ | |
645 | txlen = 0; | |
646 | } else { | |
647 | count = 0; | |
648 | ||
649 | /* Last block ? */ | |
650 | if (firmwarelen - offset < txlen) | |
651 | txlen = firmwarelen - offset; | |
652 | ||
ba34dd3d | 653 | tx_blocks = DIV_ROUND_UP(txlen, blksz_dl); |
789221ec BZ |
654 | |
655 | memcpy(fwbuf, &firmware[offset], txlen); | |
656 | } | |
657 | ||
658 | ret = sdio_writesb(card->func, card->ioport, fwbuf, | |
9f72c1d9 | 659 | tx_blocks * blksz_dl); |
789221ec BZ |
660 | |
661 | if (ret < 0) { | |
662 | BT_ERR("FW download, writesb(%d) failed @%d", | |
dcf47f3b | 663 | count, offset); |
9f72c1d9 KG |
664 | sdio_writeb(card->func, HOST_CMD53_FIN, |
665 | card->reg->cfg, &ret); | |
789221ec BZ |
666 | if (ret) |
667 | BT_ERR("writeb failed (CFG)"); | |
668 | } | |
669 | ||
670 | offset += txlen; | |
671 | } while (true); | |
672 | ||
1c6098eb | 673 | BT_INFO("FW download over, size %d bytes", offset); |
789221ec BZ |
674 | |
675 | ret = 0; | |
676 | ||
677 | done: | |
678 | kfree(tmpfwbuf); | |
59f34fb3 | 679 | release_firmware(fw_firmware); |
789221ec BZ |
680 | return ret; |
681 | } | |
682 | ||
683 | static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv) | |
684 | { | |
685 | u16 buf_len = 0; | |
42632805 | 686 | int ret, num_blocks, blksz; |
789221ec BZ |
687 | struct sk_buff *skb = NULL; |
688 | u32 type; | |
689 | u8 *payload = NULL; | |
690 | struct hci_dev *hdev = priv->btmrvl_dev.hcidev; | |
691 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
692 | ||
789221ec BZ |
693 | if (!card || !card->func) { |
694 | BT_ERR("card or function is NULL!"); | |
695 | ret = -EINVAL; | |
696 | goto exit; | |
697 | } | |
698 | ||
699 | /* Read the length of data to be transferred */ | |
700 | ret = btmrvl_sdio_read_rx_len(card, &buf_len); | |
701 | if (ret < 0) { | |
702 | BT_ERR("read rx_len failed"); | |
703 | ret = -EIO; | |
704 | goto exit; | |
705 | } | |
706 | ||
707 | blksz = SDIO_BLOCK_SIZE; | |
e678bad5 | 708 | num_blocks = DIV_ROUND_UP(buf_len, blksz); |
789221ec BZ |
709 | |
710 | if (buf_len <= SDIO_HEADER_LEN | |
42632805 | 711 | || (num_blocks * blksz) > ALLOC_BUF_SIZE) { |
789221ec BZ |
712 | BT_ERR("invalid packet length: %d", buf_len); |
713 | ret = -EINVAL; | |
714 | goto exit; | |
715 | } | |
716 | ||
717 | /* Allocate buffer */ | |
42632805 | 718 | skb = bt_skb_alloc(num_blocks * blksz + BTSDIO_DMA_ALIGN, GFP_ATOMIC); |
1f438c61 | 719 | if (!skb) { |
789221ec | 720 | BT_ERR("No free skb"); |
6ea81c41 | 721 | ret = -ENOMEM; |
789221ec BZ |
722 | goto exit; |
723 | } | |
724 | ||
3318b236 BZ |
725 | if ((unsigned long) skb->data & (BTSDIO_DMA_ALIGN - 1)) { |
726 | skb_put(skb, (unsigned long) skb->data & | |
727 | (BTSDIO_DMA_ALIGN - 1)); | |
728 | skb_pull(skb, (unsigned long) skb->data & | |
729 | (BTSDIO_DMA_ALIGN - 1)); | |
789221ec BZ |
730 | } |
731 | ||
3318b236 | 732 | payload = skb->data; |
789221ec BZ |
733 | |
734 | ret = sdio_readsb(card->func, payload, card->ioport, | |
42632805 | 735 | num_blocks * blksz); |
789221ec BZ |
736 | if (ret < 0) { |
737 | BT_ERR("readsb failed: %d", ret); | |
738 | ret = -EIO; | |
739 | goto exit; | |
740 | } | |
741 | ||
742 | /* This is SDIO specific header length: byte[2][1][0], type: byte[3] | |
743 | * (HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor) | |
744 | */ | |
745 | ||
746 | buf_len = payload[0]; | |
9cb23dd4 AE |
747 | buf_len |= payload[1] << 8; |
748 | buf_len |= payload[2] << 16; | |
749 | ||
750 | if (buf_len > blksz * num_blocks) { | |
751 | BT_ERR("Skip incorrect packet: hdrlen %d buffer %d", | |
752 | buf_len, blksz * num_blocks); | |
753 | ret = -EIO; | |
754 | goto exit; | |
755 | } | |
756 | ||
789221ec BZ |
757 | type = payload[3]; |
758 | ||
759 | switch (type) { | |
760 | case HCI_ACLDATA_PKT: | |
761 | case HCI_SCODATA_PKT: | |
762 | case HCI_EVENT_PKT: | |
618e8bc2 | 763 | hci_skb_pkt_type(skb) = type; |
789221ec BZ |
764 | skb_put(skb, buf_len); |
765 | skb_pull(skb, SDIO_HEADER_LEN); | |
766 | ||
ea1e76a3 AE |
767 | if (type == HCI_EVENT_PKT) { |
768 | if (btmrvl_check_evtpkt(priv, skb)) | |
e1a26170 | 769 | hci_recv_frame(hdev, skb); |
2c2453f3 | 770 | } else { |
e1a26170 | 771 | hci_recv_frame(hdev, skb); |
2c2453f3 | 772 | } |
789221ec | 773 | |
789221ec BZ |
774 | hdev->stat.byte_rx += buf_len; |
775 | break; | |
776 | ||
777 | case MRVL_VENDOR_PKT: | |
618e8bc2 | 778 | hci_skb_pkt_type(skb) = HCI_VENDOR_PKT; |
789221ec BZ |
779 | skb_put(skb, buf_len); |
780 | skb_pull(skb, SDIO_HEADER_LEN); | |
781 | ||
782 | if (btmrvl_process_event(priv, skb)) | |
e1a26170 | 783 | hci_recv_frame(hdev, skb); |
789221ec BZ |
784 | |
785 | hdev->stat.byte_rx += buf_len; | |
786 | break; | |
787 | ||
788 | default: | |
af901ca1 | 789 | BT_ERR("Unknown packet type:%d", type); |
78c1b8e8 | 790 | BT_ERR("hex: %*ph", blksz * num_blocks, payload); |
789221ec BZ |
791 | |
792 | kfree_skb(skb); | |
793 | skb = NULL; | |
794 | break; | |
795 | } | |
796 | ||
797 | exit: | |
798 | if (ret) { | |
799 | hdev->stat.err_rx++; | |
7923296f | 800 | kfree_skb(skb); |
789221ec BZ |
801 | } |
802 | ||
789221ec BZ |
803 | return ret; |
804 | } | |
805 | ||
d1d10d78 | 806 | static int btmrvl_sdio_process_int_status(struct btmrvl_private *priv) |
789221ec | 807 | { |
d1d10d78 AK |
808 | ulong flags; |
809 | u8 ireg; | |
789221ec BZ |
810 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; |
811 | ||
d1d10d78 AK |
812 | spin_lock_irqsave(&priv->driver_lock, flags); |
813 | ireg = sdio_ireg; | |
814 | sdio_ireg = 0; | |
815 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
789221ec | 816 | |
d1d10d78 AK |
817 | sdio_claim_host(card->func); |
818 | if (ireg & DN_LD_HOST_INT_STATUS) { | |
789221ec BZ |
819 | if (priv->btmrvl_dev.tx_dnld_rdy) |
820 | BT_DBG("tx_done already received: " | |
d1d10d78 | 821 | " int_status=0x%x", ireg); |
789221ec BZ |
822 | else |
823 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
824 | } | |
825 | ||
d1d10d78 | 826 | if (ireg & UP_LD_HOST_INT_STATUS) |
789221ec BZ |
827 | btmrvl_sdio_card_to_host(priv); |
828 | ||
d1d10d78 | 829 | sdio_release_host(card->func); |
789221ec | 830 | |
d1d10d78 | 831 | return 0; |
789221ec BZ |
832 | } |
833 | ||
0d367408 BZ |
834 | static int btmrvl_sdio_read_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
835 | { | |
836 | struct btmrvl_adapter *adapter = card->priv->adapter; | |
837 | int ret; | |
838 | ||
839 | ret = sdio_readsb(card->func, adapter->hw_regs, 0, SDIO_BLOCK_SIZE); | |
840 | if (ret) { | |
841 | BT_ERR("sdio_readsb: read int hw_regs failed: %d", ret); | |
842 | return ret; | |
843 | } | |
844 | ||
845 | *ireg = adapter->hw_regs[card->reg->host_intstatus]; | |
846 | BT_DBG("hw_regs[%#x]=%#x", card->reg->host_intstatus, *ireg); | |
847 | ||
848 | return 0; | |
849 | } | |
850 | ||
8af4840a BZ |
851 | static int btmrvl_sdio_write_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
852 | { | |
853 | int ret; | |
854 | ||
855 | *ireg = sdio_readb(card->func, card->reg->host_intstatus, &ret); | |
856 | if (ret) { | |
857 | BT_ERR("sdio_readb: read int status failed: %d", ret); | |
858 | return ret; | |
859 | } | |
860 | ||
861 | if (*ireg) { | |
862 | /* | |
863 | * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS | |
864 | * Clear the interrupt status register and re-enable the | |
865 | * interrupt. | |
866 | */ | |
867 | BT_DBG("int_status = 0x%x", *ireg); | |
868 | ||
869 | sdio_writeb(card->func, ~(*ireg) & (DN_LD_HOST_INT_STATUS | | |
870 | UP_LD_HOST_INT_STATUS), | |
871 | card->reg->host_intstatus, &ret); | |
872 | if (ret) { | |
873 | BT_ERR("sdio_writeb: clear int status failed: %d", ret); | |
874 | return ret; | |
875 | } | |
876 | } | |
877 | ||
878 | return 0; | |
879 | } | |
880 | ||
789221ec BZ |
881 | static void btmrvl_sdio_interrupt(struct sdio_func *func) |
882 | { | |
883 | struct btmrvl_private *priv; | |
789221ec | 884 | struct btmrvl_sdio_card *card; |
d1d10d78 | 885 | ulong flags; |
789221ec | 886 | u8 ireg = 0; |
d1d10d78 | 887 | int ret; |
789221ec | 888 | |
789221ec | 889 | card = sdio_get_drvdata(func); |
d1d10d78 | 890 | if (!card || !card->priv) { |
7365d475 AK |
891 | BT_ERR("sbi_interrupt(%p) card or priv is NULL, card=%p", |
892 | func, card); | |
d1d10d78 AK |
893 | return; |
894 | } | |
789221ec | 895 | |
d1d10d78 | 896 | priv = card->priv; |
789221ec | 897 | |
7b4b8740 AK |
898 | if (priv->surprise_removed) |
899 | return; | |
900 | ||
0d367408 BZ |
901 | if (card->reg->int_read_to_clear) |
902 | ret = btmrvl_sdio_read_to_clear(card, &ireg); | |
903 | else | |
904 | ret = btmrvl_sdio_write_to_clear(card, &ireg); | |
905 | ||
8af4840a | 906 | if (ret) |
d1d10d78 | 907 | return; |
d1d10d78 AK |
908 | |
909 | spin_lock_irqsave(&priv->driver_lock, flags); | |
910 | sdio_ireg |= ireg; | |
911 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
912 | ||
913 | btmrvl_interrupt(priv); | |
789221ec BZ |
914 | } |
915 | ||
916 | static int btmrvl_sdio_register_dev(struct btmrvl_sdio_card *card) | |
917 | { | |
789221ec | 918 | struct sdio_func *func; |
dcf47f3b MH |
919 | u8 reg; |
920 | int ret = 0; | |
789221ec | 921 | |
789221ec BZ |
922 | if (!card || !card->func) { |
923 | BT_ERR("Error: card or function is NULL!"); | |
924 | ret = -EINVAL; | |
925 | goto failed; | |
926 | } | |
927 | ||
928 | func = card->func; | |
929 | ||
789221ec BZ |
930 | sdio_claim_host(func); |
931 | ||
932 | ret = sdio_enable_func(func); | |
933 | if (ret) { | |
934 | BT_ERR("sdio_enable_func() failed: ret=%d", ret); | |
935 | ret = -EIO; | |
936 | goto release_host; | |
937 | } | |
938 | ||
939 | ret = sdio_claim_irq(func, btmrvl_sdio_interrupt); | |
940 | if (ret) { | |
941 | BT_ERR("sdio_claim_irq failed: ret=%d", ret); | |
942 | ret = -EIO; | |
943 | goto disable_func; | |
944 | } | |
945 | ||
946 | ret = sdio_set_block_size(card->func, SDIO_BLOCK_SIZE); | |
947 | if (ret) { | |
948 | BT_ERR("cannot set SDIO block size"); | |
949 | ret = -EIO; | |
950 | goto release_irq; | |
951 | } | |
952 | ||
9f72c1d9 | 953 | reg = sdio_readb(func, card->reg->io_port_0, &ret); |
789221ec BZ |
954 | if (ret < 0) { |
955 | ret = -EIO; | |
956 | goto release_irq; | |
957 | } | |
958 | ||
959 | card->ioport = reg; | |
960 | ||
9f72c1d9 | 961 | reg = sdio_readb(func, card->reg->io_port_1, &ret); |
789221ec BZ |
962 | if (ret < 0) { |
963 | ret = -EIO; | |
964 | goto release_irq; | |
965 | } | |
966 | ||
967 | card->ioport |= (reg << 8); | |
968 | ||
9f72c1d9 | 969 | reg = sdio_readb(func, card->reg->io_port_2, &ret); |
789221ec BZ |
970 | if (ret < 0) { |
971 | ret = -EIO; | |
972 | goto release_irq; | |
973 | } | |
974 | ||
975 | card->ioport |= (reg << 16); | |
976 | ||
977 | BT_DBG("SDIO FUNC%d IO port: 0x%x", func->num, card->ioport); | |
978 | ||
0d367408 BZ |
979 | if (card->reg->int_read_to_clear) { |
980 | reg = sdio_readb(func, card->reg->host_int_rsr, &ret); | |
981 | if (ret < 0) { | |
982 | ret = -EIO; | |
983 | goto release_irq; | |
984 | } | |
985 | sdio_writeb(func, reg | 0x3f, card->reg->host_int_rsr, &ret); | |
986 | if (ret < 0) { | |
987 | ret = -EIO; | |
988 | goto release_irq; | |
989 | } | |
990 | ||
991 | reg = sdio_readb(func, card->reg->card_misc_cfg, &ret); | |
992 | if (ret < 0) { | |
993 | ret = -EIO; | |
994 | goto release_irq; | |
995 | } | |
996 | sdio_writeb(func, reg | 0x10, card->reg->card_misc_cfg, &ret); | |
997 | if (ret < 0) { | |
998 | ret = -EIO; | |
999 | goto release_irq; | |
1000 | } | |
1001 | } | |
1002 | ||
789221ec BZ |
1003 | sdio_set_drvdata(func, card); |
1004 | ||
1005 | sdio_release_host(func); | |
1006 | ||
789221ec BZ |
1007 | return 0; |
1008 | ||
1009 | release_irq: | |
1010 | sdio_release_irq(func); | |
1011 | ||
1012 | disable_func: | |
1013 | sdio_disable_func(func); | |
1014 | ||
1015 | release_host: | |
1016 | sdio_release_host(func); | |
1017 | ||
1018 | failed: | |
789221ec BZ |
1019 | return ret; |
1020 | } | |
1021 | ||
1022 | static int btmrvl_sdio_unregister_dev(struct btmrvl_sdio_card *card) | |
1023 | { | |
789221ec BZ |
1024 | if (card && card->func) { |
1025 | sdio_claim_host(card->func); | |
1026 | sdio_release_irq(card->func); | |
1027 | sdio_disable_func(card->func); | |
1028 | sdio_release_host(card->func); | |
1029 | sdio_set_drvdata(card->func, NULL); | |
1030 | } | |
1031 | ||
789221ec BZ |
1032 | return 0; |
1033 | } | |
1034 | ||
1035 | static int btmrvl_sdio_enable_host_int(struct btmrvl_sdio_card *card) | |
1036 | { | |
1037 | int ret; | |
1038 | ||
9374253f | 1039 | if (!card || !card->func) |
789221ec | 1040 | return -EINVAL; |
789221ec BZ |
1041 | |
1042 | sdio_claim_host(card->func); | |
1043 | ||
1044 | ret = btmrvl_sdio_enable_host_int_mask(card, HIM_ENABLE); | |
1045 | ||
1046 | btmrvl_sdio_get_rx_unit(card); | |
1047 | ||
1048 | sdio_release_host(card->func); | |
1049 | ||
789221ec BZ |
1050 | return ret; |
1051 | } | |
1052 | ||
1053 | static int btmrvl_sdio_disable_host_int(struct btmrvl_sdio_card *card) | |
1054 | { | |
1055 | int ret; | |
1056 | ||
9374253f | 1057 | if (!card || !card->func) |
789221ec | 1058 | return -EINVAL; |
789221ec BZ |
1059 | |
1060 | sdio_claim_host(card->func); | |
1061 | ||
1062 | ret = btmrvl_sdio_disable_host_int_mask(card, HIM_DISABLE); | |
1063 | ||
1064 | sdio_release_host(card->func); | |
1065 | ||
789221ec BZ |
1066 | return ret; |
1067 | } | |
1068 | ||
1069 | static int btmrvl_sdio_host_to_card(struct btmrvl_private *priv, | |
1070 | u8 *payload, u16 nb) | |
1071 | { | |
1072 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1073 | int ret = 0; | |
789221ec BZ |
1074 | int blksz; |
1075 | int i = 0; | |
1076 | u8 *buf = NULL; | |
1077 | void *tmpbuf = NULL; | |
1078 | int tmpbufsz; | |
1079 | ||
789221ec BZ |
1080 | if (!card || !card->func) { |
1081 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1082 | return -EINVAL; |
1083 | } | |
1084 | ||
d2f30240 RL |
1085 | blksz = DIV_ROUND_UP(nb, SDIO_BLOCK_SIZE) * SDIO_BLOCK_SIZE; |
1086 | ||
789221ec | 1087 | buf = payload; |
d2f30240 RL |
1088 | if ((unsigned long) payload & (BTSDIO_DMA_ALIGN - 1) || |
1089 | nb < blksz) { | |
1090 | tmpbufsz = ALIGN_SZ(blksz, BTSDIO_DMA_ALIGN) + | |
1091 | BTSDIO_DMA_ALIGN; | |
5959809d JL |
1092 | tmpbuf = kzalloc(tmpbufsz, GFP_KERNEL); |
1093 | if (!tmpbuf) | |
1094 | return -ENOMEM; | |
789221ec BZ |
1095 | buf = (u8 *) ALIGN_ADDR(tmpbuf, BTSDIO_DMA_ALIGN); |
1096 | memcpy(buf, payload, nb); | |
1097 | } | |
1098 | ||
789221ec BZ |
1099 | sdio_claim_host(card->func); |
1100 | ||
1101 | do { | |
1102 | /* Transfer data to card */ | |
1103 | ret = sdio_writesb(card->func, card->ioport, buf, | |
d2f30240 | 1104 | blksz); |
789221ec BZ |
1105 | if (ret < 0) { |
1106 | i++; | |
1107 | BT_ERR("i=%d writesb failed: %d", i, ret); | |
78c1b8e8 | 1108 | BT_ERR("hex: %*ph", nb, payload); |
789221ec BZ |
1109 | ret = -EIO; |
1110 | if (i > MAX_WRITE_IOMEM_RETRY) | |
1111 | goto exit; | |
1112 | } | |
1113 | } while (ret); | |
1114 | ||
1115 | priv->btmrvl_dev.tx_dnld_rdy = false; | |
1116 | ||
1117 | exit: | |
1118 | sdio_release_host(card->func); | |
88d1a0cf | 1119 | kfree(tmpbuf); |
789221ec | 1120 | |
789221ec BZ |
1121 | return ret; |
1122 | } | |
1123 | ||
1124 | static int btmrvl_sdio_download_fw(struct btmrvl_sdio_card *card) | |
1125 | { | |
faff7f74 | 1126 | int ret; |
9f72c1d9 KG |
1127 | u8 fws0; |
1128 | int pollnum = MAX_POLL_TRIES; | |
789221ec | 1129 | |
789221ec BZ |
1130 | if (!card || !card->func) { |
1131 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1132 | return -EINVAL; |
1133 | } | |
789221ec BZ |
1134 | |
1135 | if (!btmrvl_sdio_verify_fw_download(card, 1)) { | |
1136 | BT_DBG("Firmware already downloaded!"); | |
c1c999e2 | 1137 | return 0; |
789221ec BZ |
1138 | } |
1139 | ||
c1c999e2 AF |
1140 | sdio_claim_host(card->func); |
1141 | ||
9f72c1d9 KG |
1142 | /* Check if other function driver is downloading the firmware */ |
1143 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); | |
789221ec | 1144 | if (ret) { |
9f72c1d9 | 1145 | BT_ERR("Failed to read FW downloading status!"); |
789221ec BZ |
1146 | ret = -EIO; |
1147 | goto done; | |
1148 | } | |
9f72c1d9 KG |
1149 | if (fws0) { |
1150 | BT_DBG("BT not the winner (%#x). Skip FW downloading", fws0); | |
1151 | ||
1152 | /* Give other function more time to download the firmware */ | |
1153 | pollnum *= 10; | |
1154 | } else { | |
1155 | if (card->helper) { | |
1156 | ret = btmrvl_sdio_download_helper(card); | |
1157 | if (ret) { | |
1158 | BT_ERR("Failed to download helper!"); | |
1159 | ret = -EIO; | |
1160 | goto done; | |
1161 | } | |
1162 | } | |
789221ec | 1163 | |
9f72c1d9 KG |
1164 | if (btmrvl_sdio_download_fw_w_helper(card)) { |
1165 | BT_ERR("Failed to download firmware!"); | |
1166 | ret = -EIO; | |
1167 | goto done; | |
1168 | } | |
789221ec BZ |
1169 | } |
1170 | ||
69676b1c AF |
1171 | /* |
1172 | * winner or not, with this test the FW synchronizes when the | |
1173 | * module can continue its initialization | |
1174 | */ | |
9f72c1d9 | 1175 | if (btmrvl_sdio_verify_fw_download(card, pollnum)) { |
789221ec | 1176 | BT_ERR("FW failed to be active in time!"); |
86f7ac77 CRL |
1177 | ret = -ETIMEDOUT; |
1178 | goto done; | |
789221ec BZ |
1179 | } |
1180 | ||
4863e4cc AN |
1181 | sdio_release_host(card->func); |
1182 | ||
c1c999e2 AF |
1183 | return 0; |
1184 | ||
789221ec BZ |
1185 | done: |
1186 | sdio_release_host(card->func); | |
789221ec BZ |
1187 | return ret; |
1188 | } | |
1189 | ||
1190 | static int btmrvl_sdio_wakeup_fw(struct btmrvl_private *priv) | |
1191 | { | |
1192 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1193 | int ret = 0; | |
1194 | ||
789221ec BZ |
1195 | if (!card || !card->func) { |
1196 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1197 | return -EINVAL; |
1198 | } | |
1199 | ||
1200 | sdio_claim_host(card->func); | |
1201 | ||
9f72c1d9 | 1202 | sdio_writeb(card->func, HOST_POWER_UP, card->reg->cfg, &ret); |
789221ec BZ |
1203 | |
1204 | sdio_release_host(card->func); | |
1205 | ||
1206 | BT_DBG("wake up firmware"); | |
1207 | ||
789221ec BZ |
1208 | return ret; |
1209 | } | |
1210 | ||
dc759613 XH |
1211 | static void btmrvl_sdio_dump_regs(struct btmrvl_private *priv) |
1212 | { | |
1213 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1214 | int ret = 0; | |
1215 | unsigned int reg, reg_start, reg_end; | |
1216 | char buf[256], *ptr; | |
1217 | u8 loop, func, data; | |
1218 | int MAX_LOOP = 2; | |
1219 | ||
1220 | btmrvl_sdio_wakeup_fw(priv); | |
1221 | sdio_claim_host(card->func); | |
1222 | ||
1223 | for (loop = 0; loop < MAX_LOOP; loop++) { | |
1224 | memset(buf, 0, sizeof(buf)); | |
1225 | ptr = buf; | |
1226 | ||
1227 | if (loop == 0) { | |
1228 | /* Read the registers of SDIO function0 */ | |
1229 | func = loop; | |
1230 | reg_start = 0; | |
1231 | reg_end = 9; | |
1232 | } else { | |
1233 | func = 2; | |
1234 | reg_start = 0; | |
1235 | reg_end = 0x09; | |
1236 | } | |
1237 | ||
1238 | ptr += sprintf(ptr, "SDIO Func%d (%#x-%#x): ", | |
1239 | func, reg_start, reg_end); | |
1240 | for (reg = reg_start; reg <= reg_end; reg++) { | |
1241 | if (func == 0) | |
1242 | data = sdio_f0_readb(card->func, reg, &ret); | |
1243 | else | |
1244 | data = sdio_readb(card->func, reg, &ret); | |
1245 | ||
1246 | if (!ret) { | |
1247 | ptr += sprintf(ptr, "%02x ", data); | |
1248 | } else { | |
1249 | ptr += sprintf(ptr, "ERR"); | |
1250 | break; | |
1251 | } | |
1252 | } | |
1253 | ||
1254 | BT_INFO("%s", buf); | |
1255 | } | |
1256 | ||
1257 | sdio_release_host(card->func); | |
1258 | } | |
1259 | ||
1260 | /* This function read/write firmware */ | |
1261 | static enum | |
1262 | rdwr_status btmrvl_sdio_rdwr_firmware(struct btmrvl_private *priv, | |
1263 | u8 doneflag) | |
1264 | { | |
1265 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1266 | int ret, tries; | |
1267 | u8 ctrl_data = 0; | |
1268 | ||
1269 | sdio_writeb(card->func, FW_DUMP_HOST_READY, card->reg->fw_dump_ctrl, | |
1270 | &ret); | |
1271 | ||
1272 | if (ret) { | |
1273 | BT_ERR("SDIO write err"); | |
1274 | return RDWR_STATUS_FAILURE; | |
1275 | } | |
1276 | ||
1277 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
1278 | ctrl_data = sdio_readb(card->func, card->reg->fw_dump_ctrl, | |
1279 | &ret); | |
1280 | ||
1281 | if (ret) { | |
1282 | BT_ERR("SDIO read err"); | |
1283 | return RDWR_STATUS_FAILURE; | |
1284 | } | |
1285 | ||
1286 | if (ctrl_data == FW_DUMP_DONE) | |
1287 | break; | |
1288 | if (doneflag && ctrl_data == doneflag) | |
1289 | return RDWR_STATUS_DONE; | |
1290 | if (ctrl_data != FW_DUMP_HOST_READY) { | |
1291 | BT_INFO("The ctrl reg was changed, re-try again!"); | |
1292 | sdio_writeb(card->func, FW_DUMP_HOST_READY, | |
1293 | card->reg->fw_dump_ctrl, &ret); | |
1294 | if (ret) { | |
1295 | BT_ERR("SDIO write err"); | |
1296 | return RDWR_STATUS_FAILURE; | |
1297 | } | |
1298 | } | |
1299 | usleep_range(100, 200); | |
1300 | } | |
1301 | ||
1302 | if (ctrl_data == FW_DUMP_HOST_READY) { | |
1303 | BT_ERR("Fail to pull ctrl_data"); | |
1304 | return RDWR_STATUS_FAILURE; | |
1305 | } | |
1306 | ||
1307 | return RDWR_STATUS_SUCCESS; | |
1308 | } | |
1309 | ||
1310 | /* This function dump sdio register and memory data */ | |
1311 | static void btmrvl_sdio_dump_firmware(struct btmrvl_private *priv) | |
1312 | { | |
1313 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1314 | int ret = 0; | |
1315 | unsigned int reg, reg_start, reg_end; | |
1316 | enum rdwr_status stat; | |
1317 | u8 *dbg_ptr, *end_ptr, *fw_dump_data, *fw_dump_ptr; | |
a1e85f04 | 1318 | u8 dump_num = 0, idx, i, read_reg, doneflag = 0; |
dc759613 XH |
1319 | u32 memory_size, fw_dump_len = 0; |
1320 | ||
1321 | /* dump sdio register first */ | |
1322 | btmrvl_sdio_dump_regs(priv); | |
1323 | ||
1324 | if (!card->supports_fw_dump) { | |
1325 | BT_ERR("Firmware dump not supported for this card!"); | |
1326 | return; | |
1327 | } | |
1328 | ||
1329 | for (idx = 0; idx < ARRAY_SIZE(mem_type_mapping_tbl); idx++) { | |
1330 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1331 | ||
1332 | if (entry->mem_ptr) { | |
1333 | vfree(entry->mem_ptr); | |
1334 | entry->mem_ptr = NULL; | |
1335 | } | |
1336 | entry->mem_size = 0; | |
1337 | } | |
1338 | ||
1339 | btmrvl_sdio_wakeup_fw(priv); | |
1340 | sdio_claim_host(card->func); | |
1341 | ||
1342 | BT_INFO("== btmrvl firmware dump start =="); | |
1343 | ||
1344 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1345 | if (stat == RDWR_STATUS_FAILURE) | |
1346 | goto done; | |
1347 | ||
1348 | reg = card->reg->fw_dump_start; | |
1349 | /* Read the number of the memories which will dump */ | |
1350 | dump_num = sdio_readb(card->func, reg, &ret); | |
1351 | ||
1352 | if (ret) { | |
1353 | BT_ERR("SDIO read memory length err"); | |
1354 | goto done; | |
1355 | } | |
1356 | ||
1357 | /* Read the length of every memory which will dump */ | |
1358 | for (idx = 0; idx < dump_num; idx++) { | |
1359 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1360 | ||
1361 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1362 | if (stat == RDWR_STATUS_FAILURE) | |
1363 | goto done; | |
1364 | ||
1365 | memory_size = 0; | |
1366 | reg = card->reg->fw_dump_start; | |
1367 | for (i = 0; i < 4; i++) { | |
1368 | read_reg = sdio_readb(card->func, reg, &ret); | |
1369 | if (ret) { | |
1370 | BT_ERR("SDIO read err"); | |
1371 | goto done; | |
1372 | } | |
1373 | memory_size |= (read_reg << i*8); | |
1374 | reg++; | |
1375 | } | |
1376 | ||
1377 | if (memory_size == 0) { | |
1378 | BT_INFO("Firmware dump finished!"); | |
475b9eac NK |
1379 | sdio_writeb(card->func, FW_DUMP_READ_DONE, |
1380 | card->reg->fw_dump_ctrl, &ret); | |
1381 | if (ret) { | |
1382 | BT_ERR("SDIO Write MEMDUMP_FINISH ERR"); | |
1383 | goto done; | |
1384 | } | |
dc759613 XH |
1385 | break; |
1386 | } | |
1387 | ||
1388 | BT_INFO("%s_SIZE=0x%x", entry->mem_name, memory_size); | |
1389 | entry->mem_ptr = vzalloc(memory_size + 1); | |
1390 | entry->mem_size = memory_size; | |
1391 | if (!entry->mem_ptr) { | |
1392 | BT_ERR("Vzalloc %s failed", entry->mem_name); | |
1393 | goto done; | |
1394 | } | |
1395 | ||
1396 | fw_dump_len += (strlen("========Start dump ") + | |
1397 | strlen(entry->mem_name) + | |
1398 | strlen("========\n") + | |
1399 | (memory_size + 1) + | |
1400 | strlen("\n========End dump========\n")); | |
1401 | ||
1402 | dbg_ptr = entry->mem_ptr; | |
1403 | end_ptr = dbg_ptr + memory_size; | |
1404 | ||
1405 | doneflag = entry->done_flag; | |
1406 | BT_INFO("Start %s output, please wait...", | |
1407 | entry->mem_name); | |
1408 | ||
1409 | do { | |
1410 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1411 | if (stat == RDWR_STATUS_FAILURE) | |
1412 | goto done; | |
1413 | ||
1414 | reg_start = card->reg->fw_dump_start; | |
1415 | reg_end = card->reg->fw_dump_end; | |
1416 | for (reg = reg_start; reg <= reg_end; reg++) { | |
1417 | *dbg_ptr = sdio_readb(card->func, reg, &ret); | |
1418 | if (ret) { | |
1419 | BT_ERR("SDIO read err"); | |
1420 | goto done; | |
1421 | } | |
1422 | if (dbg_ptr < end_ptr) | |
1423 | dbg_ptr++; | |
1424 | else | |
1425 | BT_ERR("Allocated buffer not enough"); | |
1426 | } | |
1427 | ||
1428 | if (stat != RDWR_STATUS_DONE) { | |
1429 | continue; | |
1430 | } else { | |
1431 | BT_INFO("%s done: size=0x%tx", | |
1432 | entry->mem_name, | |
1433 | dbg_ptr - entry->mem_ptr); | |
1434 | break; | |
1435 | } | |
1436 | } while (1); | |
1437 | } | |
1438 | ||
1439 | BT_INFO("== btmrvl firmware dump end =="); | |
1440 | ||
1441 | done: | |
1442 | sdio_release_host(card->func); | |
1443 | ||
1444 | if (fw_dump_len == 0) | |
1445 | return; | |
1446 | ||
1447 | fw_dump_data = vzalloc(fw_dump_len+1); | |
1448 | if (!fw_dump_data) { | |
1449 | BT_ERR("Vzalloc fw_dump_data fail!"); | |
1450 | return; | |
1451 | } | |
1452 | fw_dump_ptr = fw_dump_data; | |
1453 | ||
1454 | /* Dump all the memory data into single file, a userspace script will | |
1455 | be used to split all the memory data to multiple files*/ | |
1456 | BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump start"); | |
1457 | for (idx = 0; idx < dump_num; idx++) { | |
1458 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1459 | ||
1460 | if (entry->mem_ptr) { | |
1461 | strcpy(fw_dump_ptr, "========Start dump "); | |
1462 | fw_dump_ptr += strlen("========Start dump "); | |
1463 | ||
1464 | strcpy(fw_dump_ptr, entry->mem_name); | |
1465 | fw_dump_ptr += strlen(entry->mem_name); | |
1466 | ||
1467 | strcpy(fw_dump_ptr, "========\n"); | |
1468 | fw_dump_ptr += strlen("========\n"); | |
1469 | ||
1470 | memcpy(fw_dump_ptr, entry->mem_ptr, entry->mem_size); | |
1471 | fw_dump_ptr += entry->mem_size; | |
1472 | ||
1473 | strcpy(fw_dump_ptr, "\n========End dump========\n"); | |
1474 | fw_dump_ptr += strlen("\n========End dump========\n"); | |
1475 | ||
1476 | vfree(mem_type_mapping_tbl[idx].mem_ptr); | |
1477 | mem_type_mapping_tbl[idx].mem_ptr = NULL; | |
1478 | } | |
1479 | } | |
1480 | ||
1481 | /* fw_dump_data will be free in device coredump release function | |
1482 | after 5 min*/ | |
d4902632 | 1483 | dev_coredumpv(&card->func->dev, fw_dump_data, fw_dump_len, GFP_KERNEL); |
dc759613 XH |
1484 | BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump end"); |
1485 | } | |
1486 | ||
789221ec | 1487 | static int btmrvl_sdio_probe(struct sdio_func *func, |
dcf47f3b | 1488 | const struct sdio_device_id *id) |
789221ec BZ |
1489 | { |
1490 | int ret = 0; | |
1491 | struct btmrvl_private *priv = NULL; | |
1492 | struct btmrvl_sdio_card *card = NULL; | |
1493 | ||
789221ec BZ |
1494 | BT_INFO("vendor=0x%x, device=0x%x, class=%d, fn=%d", |
1495 | id->vendor, id->device, id->class, func->num); | |
1496 | ||
eb17ea3b SK |
1497 | card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL); |
1498 | if (!card) | |
1499 | return -ENOMEM; | |
789221ec BZ |
1500 | |
1501 | card->func = func; | |
1502 | ||
dcf47f3b MH |
1503 | if (id->driver_data) { |
1504 | struct btmrvl_sdio_device *data = (void *) id->driver_data; | |
9f72c1d9 | 1505 | card->helper = data->helper; |
dcf47f3b | 1506 | card->firmware = data->firmware; |
9f72c1d9 KG |
1507 | card->reg = data->reg; |
1508 | card->sd_blksz_fw_dl = data->sd_blksz_fw_dl; | |
4df82b59 | 1509 | card->support_pscan_win_report = data->support_pscan_win_report; |
dc759613 | 1510 | card->supports_fw_dump = data->supports_fw_dump; |
dcf47f3b MH |
1511 | } |
1512 | ||
789221ec BZ |
1513 | if (btmrvl_sdio_register_dev(card) < 0) { |
1514 | BT_ERR("Failed to register BT device!"); | |
eb17ea3b | 1515 | return -ENODEV; |
789221ec BZ |
1516 | } |
1517 | ||
1518 | /* Disable the interrupts on the card */ | |
1519 | btmrvl_sdio_disable_host_int(card); | |
1520 | ||
1521 | if (btmrvl_sdio_download_fw(card)) { | |
1522 | BT_ERR("Downloading firmware failed!"); | |
1523 | ret = -ENODEV; | |
1524 | goto unreg_dev; | |
1525 | } | |
1526 | ||
789221ec BZ |
1527 | btmrvl_sdio_enable_host_int(card); |
1528 | ||
bb7f4f0b XH |
1529 | /* Device tree node parsing and platform specific configuration*/ |
1530 | btmrvl_sdio_probe_of(&func->dev, card); | |
1531 | ||
789221ec BZ |
1532 | priv = btmrvl_add_card(card); |
1533 | if (!priv) { | |
1534 | BT_ERR("Initializing card failed!"); | |
1535 | ret = -ENODEV; | |
1536 | goto disable_host_int; | |
1537 | } | |
1538 | ||
1539 | card->priv = priv; | |
1540 | ||
1541 | /* Initialize the interface specific function pointers */ | |
1542 | priv->hw_host_to_card = btmrvl_sdio_host_to_card; | |
1543 | priv->hw_wakeup_firmware = btmrvl_sdio_wakeup_fw; | |
d1d10d78 | 1544 | priv->hw_process_int_status = btmrvl_sdio_process_int_status; |
dc759613 | 1545 | priv->firmware_dump = btmrvl_sdio_dump_firmware; |
789221ec | 1546 | |
64061607 BZ |
1547 | if (btmrvl_register_hdev(priv)) { |
1548 | BT_ERR("Register hdev failed!"); | |
1549 | ret = -ENODEV; | |
1550 | goto disable_host_int; | |
1551 | } | |
1552 | ||
789221ec BZ |
1553 | return 0; |
1554 | ||
1555 | disable_host_int: | |
1556 | btmrvl_sdio_disable_host_int(card); | |
1557 | unreg_dev: | |
1558 | btmrvl_sdio_unregister_dev(card); | |
789221ec BZ |
1559 | return ret; |
1560 | } | |
1561 | ||
1562 | static void btmrvl_sdio_remove(struct sdio_func *func) | |
1563 | { | |
1564 | struct btmrvl_sdio_card *card; | |
1565 | ||
789221ec BZ |
1566 | if (func) { |
1567 | card = sdio_get_drvdata(func); | |
1568 | if (card) { | |
1569 | /* Send SHUTDOWN command & disable interrupt | |
1570 | * if user removes the module. | |
1571 | */ | |
1572 | if (user_rmmod) { | |
1573 | btmrvl_send_module_cfg_cmd(card->priv, | |
1574 | MODULE_SHUTDOWN_REQ); | |
1575 | btmrvl_sdio_disable_host_int(card); | |
1576 | } | |
1577 | BT_DBG("unregester dev"); | |
7b4b8740 | 1578 | card->priv->surprise_removed = true; |
789221ec BZ |
1579 | btmrvl_sdio_unregister_dev(card); |
1580 | btmrvl_remove_card(card->priv); | |
789221ec BZ |
1581 | } |
1582 | } | |
789221ec BZ |
1583 | } |
1584 | ||
ba54a16f AK |
1585 | static int btmrvl_sdio_suspend(struct device *dev) |
1586 | { | |
1587 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1588 | struct btmrvl_sdio_card *card; | |
1589 | struct btmrvl_private *priv; | |
1590 | mmc_pm_flag_t pm_flags; | |
1591 | struct hci_dev *hcidev; | |
1592 | ||
1593 | if (func) { | |
1594 | pm_flags = sdio_get_host_pm_caps(func); | |
1595 | BT_DBG("%s: suspend: PM flags = 0x%x", sdio_func_id(func), | |
1596 | pm_flags); | |
1597 | if (!(pm_flags & MMC_PM_KEEP_POWER)) { | |
1598 | BT_ERR("%s: cannot remain alive while suspended", | |
1599 | sdio_func_id(func)); | |
1600 | return -ENOSYS; | |
1601 | } | |
1602 | card = sdio_get_drvdata(func); | |
1603 | if (!card || !card->priv) { | |
1604 | BT_ERR("card or priv structure is not valid"); | |
1605 | return 0; | |
1606 | } | |
1607 | } else { | |
1608 | BT_ERR("sdio_func is not specified"); | |
1609 | return 0; | |
1610 | } | |
1611 | ||
bb7f4f0b XH |
1612 | /* Enable platform specific wakeup interrupt */ |
1613 | if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0) { | |
1614 | card->plt_wake_cfg->wake_by_bt = false; | |
1615 | enable_irq(card->plt_wake_cfg->irq_bt); | |
1616 | enable_irq_wake(card->plt_wake_cfg->irq_bt); | |
1617 | } | |
1618 | ||
ba54a16f | 1619 | priv = card->priv; |
8cf60cf2 | 1620 | priv->adapter->is_suspending = true; |
5bf8a748 CRL |
1621 | hcidev = priv->btmrvl_dev.hcidev; |
1622 | BT_DBG("%s: SDIO suspend", hcidev->name); | |
1623 | hci_suspend_dev(hcidev); | |
ba54a16f AK |
1624 | |
1625 | if (priv->adapter->hs_state != HS_ACTIVATED) { | |
1626 | if (btmrvl_enable_hs(priv)) { | |
1627 | BT_ERR("HS not actived, suspend failed!"); | |
e7acf430 | 1628 | priv->adapter->is_suspending = false; |
ba54a16f AK |
1629 | return -EBUSY; |
1630 | } | |
1631 | } | |
ba54a16f | 1632 | |
8cf60cf2 | 1633 | priv->adapter->is_suspending = false; |
ba54a16f AK |
1634 | priv->adapter->is_suspended = true; |
1635 | ||
1636 | /* We will keep the power when hs enabled successfully */ | |
1637 | if (priv->adapter->hs_state == HS_ACTIVATED) { | |
1638 | BT_DBG("suspend with MMC_PM_KEEP_POWER"); | |
1639 | return sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); | |
1640 | } else { | |
1641 | BT_DBG("suspend without MMC_PM_KEEP_POWER"); | |
1642 | return 0; | |
1643 | } | |
1644 | } | |
1645 | ||
1646 | static int btmrvl_sdio_resume(struct device *dev) | |
1647 | { | |
1648 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1649 | struct btmrvl_sdio_card *card; | |
1650 | struct btmrvl_private *priv; | |
1651 | mmc_pm_flag_t pm_flags; | |
1652 | struct hci_dev *hcidev; | |
1653 | ||
1654 | if (func) { | |
1655 | pm_flags = sdio_get_host_pm_caps(func); | |
1656 | BT_DBG("%s: resume: PM flags = 0x%x", sdio_func_id(func), | |
1657 | pm_flags); | |
1658 | card = sdio_get_drvdata(func); | |
1659 | if (!card || !card->priv) { | |
1660 | BT_ERR("card or priv structure is not valid"); | |
1661 | return 0; | |
1662 | } | |
1663 | } else { | |
1664 | BT_ERR("sdio_func is not specified"); | |
1665 | return 0; | |
1666 | } | |
1667 | priv = card->priv; | |
1668 | ||
1669 | if (!priv->adapter->is_suspended) { | |
1670 | BT_DBG("device already resumed"); | |
1671 | return 0; | |
1672 | } | |
1673 | ||
ba54a16f AK |
1674 | priv->hw_wakeup_firmware(priv); |
1675 | priv->adapter->hs_state = HS_DEACTIVATED; | |
5bf8a748 | 1676 | hcidev = priv->btmrvl_dev.hcidev; |
ba54a16f | 1677 | BT_DBG("%s: HS DEACTIVATED in resume!", hcidev->name); |
5bf8a748 CRL |
1678 | priv->adapter->is_suspended = false; |
1679 | BT_DBG("%s: SDIO resume", hcidev->name); | |
1680 | hci_resume_dev(hcidev); | |
ba54a16f | 1681 | |
bb7f4f0b XH |
1682 | /* Disable platform specific wakeup interrupt */ |
1683 | if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0) { | |
1684 | disable_irq_wake(card->plt_wake_cfg->irq_bt); | |
1685 | if (!card->plt_wake_cfg->wake_by_bt) | |
1686 | disable_irq(card->plt_wake_cfg->irq_bt); | |
1687 | } | |
1688 | ||
ba54a16f AK |
1689 | return 0; |
1690 | } | |
1691 | ||
1692 | static const struct dev_pm_ops btmrvl_sdio_pm_ops = { | |
1693 | .suspend = btmrvl_sdio_suspend, | |
1694 | .resume = btmrvl_sdio_resume, | |
1695 | }; | |
1696 | ||
789221ec BZ |
1697 | static struct sdio_driver bt_mrvl_sdio = { |
1698 | .name = "btmrvl_sdio", | |
1699 | .id_table = btmrvl_sdio_ids, | |
1700 | .probe = btmrvl_sdio_probe, | |
1701 | .remove = btmrvl_sdio_remove, | |
ba54a16f AK |
1702 | .drv = { |
1703 | .owner = THIS_MODULE, | |
1704 | .pm = &btmrvl_sdio_pm_ops, | |
1705 | } | |
789221ec BZ |
1706 | }; |
1707 | ||
8e5b2308 | 1708 | static int __init btmrvl_sdio_init_module(void) |
789221ec | 1709 | { |
789221ec BZ |
1710 | if (sdio_register_driver(&bt_mrvl_sdio) != 0) { |
1711 | BT_ERR("SDIO Driver Registration Failed"); | |
789221ec BZ |
1712 | return -ENODEV; |
1713 | } | |
1714 | ||
1715 | /* Clear the flag in case user removes the card. */ | |
1716 | user_rmmod = 0; | |
1717 | ||
789221ec BZ |
1718 | return 0; |
1719 | } | |
1720 | ||
8e5b2308 | 1721 | static void __exit btmrvl_sdio_exit_module(void) |
789221ec | 1722 | { |
789221ec BZ |
1723 | /* Set the flag as user is removing this module. */ |
1724 | user_rmmod = 1; | |
1725 | ||
1726 | sdio_unregister_driver(&bt_mrvl_sdio); | |
789221ec BZ |
1727 | } |
1728 | ||
1729 | module_init(btmrvl_sdio_init_module); | |
1730 | module_exit(btmrvl_sdio_exit_module); | |
1731 | ||
1732 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 1733 | MODULE_DESCRIPTION("Marvell BT-over-SDIO driver ver " VERSION); |
789221ec BZ |
1734 | MODULE_VERSION(VERSION); |
1735 | MODULE_LICENSE("GPL v2"); | |
77189df4 LR |
1736 | MODULE_FIRMWARE("mrvl/sd8688_helper.bin"); |
1737 | MODULE_FIRMWARE("mrvl/sd8688.bin"); | |
9f72c1d9 | 1738 | MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin"); |
2ac654f7 | 1739 | MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin"); |
3907d558 | 1740 | MODULE_FIRMWARE("mrvl/sd8887_uapsta.bin"); |
22f2efed | 1741 | MODULE_FIRMWARE("mrvl/sd8897_uapsta.bin"); |
f0ef6748 | 1742 | MODULE_FIRMWARE("mrvl/sd8997_uapsta.bin"); |