]>
Commit | Line | Data |
---|---|---|
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> |
17e41ea6 | 23 | #include <linux/suspend.h> |
789221ec BZ |
24 | |
25 | #include <linux/mmc/sdio_ids.h> | |
26 | #include <linux/mmc/sdio_func.h> | |
a59b968e | 27 | #include <linux/module.h> |
dc759613 | 28 | #include <linux/devcoredump.h> |
789221ec BZ |
29 | |
30 | #include <net/bluetooth/bluetooth.h> | |
31 | #include <net/bluetooth/hci_core.h> | |
32 | ||
33 | #include "btmrvl_drv.h" | |
34 | #include "btmrvl_sdio.h" | |
35 | ||
36 | #define VERSION "1.0" | |
37 | ||
dc759613 XH |
38 | static struct memory_type_mapping mem_type_mapping_tbl[] = { |
39 | {"ITCM", NULL, 0, 0xF0}, | |
40 | {"DTCM", NULL, 0, 0xF1}, | |
41 | {"SQRAM", NULL, 0, 0xF2}, | |
42 | {"APU", NULL, 0, 0xF3}, | |
43 | {"CIU", NULL, 0, 0xF4}, | |
44 | {"ICU", NULL, 0, 0xF5}, | |
45 | {"MAC", NULL, 0, 0xF6}, | |
46 | {"EXT7", NULL, 0, 0xF7}, | |
47 | {"EXT8", NULL, 0, 0xF8}, | |
48 | {"EXT9", NULL, 0, 0xF9}, | |
49 | {"EXT10", NULL, 0, 0xFA}, | |
50 | {"EXT11", NULL, 0, 0xFB}, | |
51 | {"EXT12", NULL, 0, 0xFC}, | |
52 | {"EXT13", NULL, 0, 0xFD}, | |
53 | {"EXTLAST", NULL, 0, 0xFE}, | |
54 | }; | |
55 | ||
bb7f4f0b XH |
56 | static const struct of_device_id btmrvl_sdio_of_match_table[] = { |
57 | { .compatible = "marvell,sd8897-bt" }, | |
58 | { .compatible = "marvell,sd8997-bt" }, | |
59 | { } | |
60 | }; | |
61 | ||
62 | static irqreturn_t btmrvl_wake_irq_bt(int irq, void *priv) | |
63 | { | |
17e41ea6 JC |
64 | struct btmrvl_sdio_card *card = priv; |
65 | struct btmrvl_plt_wake_cfg *cfg = card->plt_wake_cfg; | |
bb7f4f0b | 66 | |
24a3a32a | 67 | pr_info("%s: wake by bt\n", __func__); |
c8ba8044 XH |
68 | cfg->wake_by_bt = true; |
69 | disable_irq_nosync(irq); | |
bb7f4f0b | 70 | |
17e41ea6 JC |
71 | pm_wakeup_event(&card->func->dev, 0); |
72 | pm_system_wakeup(); | |
73 | ||
bb7f4f0b XH |
74 | return IRQ_HANDLED; |
75 | } | |
76 | ||
77 | /* This function parses device tree node using mmc subnode devicetree API. | |
78 | * The device node is saved in card->plt_of_node. | |
79 | * If the device tree node exists and includes interrupts attributes, this | |
80 | * function will request platform specific wakeup interrupt. | |
81 | */ | |
82 | static int btmrvl_sdio_probe_of(struct device *dev, | |
83 | struct btmrvl_sdio_card *card) | |
84 | { | |
85 | struct btmrvl_plt_wake_cfg *cfg; | |
86 | int ret; | |
87 | ||
88 | if (!dev->of_node || | |
89 | !of_match_node(btmrvl_sdio_of_match_table, dev->of_node)) { | |
24a3a32a | 90 | pr_err("sdio platform data not available\n"); |
bb7f4f0b XH |
91 | return -1; |
92 | } | |
93 | ||
94 | card->plt_of_node = dev->of_node; | |
95 | ||
96 | card->plt_wake_cfg = devm_kzalloc(dev, sizeof(*card->plt_wake_cfg), | |
97 | GFP_KERNEL); | |
98 | cfg = card->plt_wake_cfg; | |
99 | if (cfg && card->plt_of_node) { | |
100 | cfg->irq_bt = irq_of_parse_and_map(card->plt_of_node, 0); | |
101 | if (!cfg->irq_bt) { | |
24a3a32a | 102 | dev_err(dev, "fail to parse irq_bt from device tree\n"); |
fd1a88da | 103 | cfg->irq_bt = -1; |
bb7f4f0b XH |
104 | } else { |
105 | ret = devm_request_irq(dev, cfg->irq_bt, | |
106 | btmrvl_wake_irq_bt, | |
17e41ea6 | 107 | 0, "bt_wake", card); |
bb7f4f0b XH |
108 | if (ret) { |
109 | dev_err(dev, | |
110 | "Failed to request irq_bt %d (%d)\n", | |
111 | cfg->irq_bt, ret); | |
112 | } | |
113 | disable_irq(cfg->irq_bt); | |
114 | } | |
115 | } | |
116 | ||
117 | return 0; | |
118 | } | |
119 | ||
789221ec BZ |
120 | /* The btmrvl_sdio_remove() callback function is called |
121 | * when user removes this module from kernel space or ejects | |
122 | * the card from the slot. The driver handles these 2 cases | |
123 | * differently. | |
124 | * If the user is removing the module, a MODULE_SHUTDOWN_REQ | |
125 | * command is sent to firmware and interrupt will be disabled. | |
126 | * If the card is removed, there is no need to send command | |
127 | * or disable interrupt. | |
128 | * | |
129 | * The variable 'user_rmmod' is used to distinguish these two | |
130 | * scenarios. This flag is initialized as FALSE in case the card | |
131 | * is removed, and will be set to TRUE for module removal when | |
132 | * module_exit function is called. | |
133 | */ | |
134 | static u8 user_rmmod; | |
d1d10d78 | 135 | static u8 sdio_ireg; |
789221ec | 136 | |
9f72c1d9 KG |
137 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8688 = { |
138 | .cfg = 0x03, | |
139 | .host_int_mask = 0x04, | |
140 | .host_intstatus = 0x05, | |
141 | .card_status = 0x20, | |
142 | .sq_read_base_addr_a0 = 0x10, | |
143 | .sq_read_base_addr_a1 = 0x11, | |
144 | .card_fw_status0 = 0x40, | |
145 | .card_fw_status1 = 0x41, | |
146 | .card_rx_len = 0x42, | |
147 | .card_rx_unit = 0x43, | |
148 | .io_port_0 = 0x00, | |
149 | .io_port_1 = 0x01, | |
150 | .io_port_2 = 0x02, | |
0d367408 | 151 | .int_read_to_clear = false, |
9f72c1d9 | 152 | }; |
2ac654f7 | 153 | static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = { |
9f72c1d9 KG |
154 | .cfg = 0x00, |
155 | .host_int_mask = 0x02, | |
156 | .host_intstatus = 0x03, | |
157 | .card_status = 0x30, | |
158 | .sq_read_base_addr_a0 = 0x40, | |
159 | .sq_read_base_addr_a1 = 0x41, | |
160 | .card_revision = 0x5c, | |
161 | .card_fw_status0 = 0x60, | |
162 | .card_fw_status1 = 0x61, | |
163 | .card_rx_len = 0x62, | |
164 | .card_rx_unit = 0x63, | |
165 | .io_port_0 = 0x78, | |
166 | .io_port_1 = 0x79, | |
167 | .io_port_2 = 0x7a, | |
0d367408 | 168 | .int_read_to_clear = false, |
9f72c1d9 KG |
169 | }; |
170 | ||
3907d558 XH |
171 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8887 = { |
172 | .cfg = 0x00, | |
173 | .host_int_mask = 0x08, | |
174 | .host_intstatus = 0x0C, | |
175 | .card_status = 0x5C, | |
176 | .sq_read_base_addr_a0 = 0x6C, | |
177 | .sq_read_base_addr_a1 = 0x6D, | |
178 | .card_revision = 0xC8, | |
179 | .card_fw_status0 = 0x88, | |
180 | .card_fw_status1 = 0x89, | |
181 | .card_rx_len = 0x8A, | |
182 | .card_rx_unit = 0x8B, | |
183 | .io_port_0 = 0xE4, | |
184 | .io_port_1 = 0xE5, | |
185 | .io_port_2 = 0xE6, | |
186 | .int_read_to_clear = true, | |
187 | .host_int_rsr = 0x04, | |
188 | .card_misc_cfg = 0xD8, | |
189 | }; | |
190 | ||
1e3e492c | 191 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8897 = { |
22f2efed BZ |
192 | .cfg = 0x00, |
193 | .host_int_mask = 0x02, | |
194 | .host_intstatus = 0x03, | |
195 | .card_status = 0x50, | |
196 | .sq_read_base_addr_a0 = 0x60, | |
197 | .sq_read_base_addr_a1 = 0x61, | |
198 | .card_revision = 0xbc, | |
199 | .card_fw_status0 = 0xc0, | |
200 | .card_fw_status1 = 0xc1, | |
201 | .card_rx_len = 0xc2, | |
202 | .card_rx_unit = 0xc3, | |
203 | .io_port_0 = 0xd8, | |
204 | .io_port_1 = 0xd9, | |
205 | .io_port_2 = 0xda, | |
0d367408 BZ |
206 | .int_read_to_clear = true, |
207 | .host_int_rsr = 0x01, | |
208 | .card_misc_cfg = 0xcc, | |
dc759613 XH |
209 | .fw_dump_ctrl = 0xe2, |
210 | .fw_dump_start = 0xe3, | |
211 | .fw_dump_end = 0xea, | |
22f2efed BZ |
212 | }; |
213 | ||
f0ef6748 AK |
214 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8997 = { |
215 | .cfg = 0x00, | |
216 | .host_int_mask = 0x08, | |
217 | .host_intstatus = 0x0c, | |
218 | .card_status = 0x5c, | |
219 | .sq_read_base_addr_a0 = 0xf8, | |
220 | .sq_read_base_addr_a1 = 0xf9, | |
221 | .card_revision = 0xc8, | |
222 | .card_fw_status0 = 0xe8, | |
223 | .card_fw_status1 = 0xe9, | |
224 | .card_rx_len = 0xea, | |
225 | .card_rx_unit = 0xeb, | |
226 | .io_port_0 = 0xe4, | |
227 | .io_port_1 = 0xe5, | |
228 | .io_port_2 = 0xe6, | |
229 | .int_read_to_clear = true, | |
230 | .host_int_rsr = 0x04, | |
231 | .card_misc_cfg = 0xD8, | |
232 | .fw_dump_ctrl = 0xf0, | |
233 | .fw_dump_start = 0xf1, | |
234 | .fw_dump_end = 0xf8, | |
235 | }; | |
236 | ||
c675786a | 237 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = { |
77189df4 LR |
238 | .helper = "mrvl/sd8688_helper.bin", |
239 | .firmware = "mrvl/sd8688.bin", | |
9f72c1d9 | 240 | .reg = &btmrvl_reg_8688, |
4df82b59 | 241 | .support_pscan_win_report = false, |
9f72c1d9 | 242 | .sd_blksz_fw_dl = 64, |
dc759613 | 243 | .supports_fw_dump = false, |
9f72c1d9 KG |
244 | }; |
245 | ||
246 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = { | |
247 | .helper = NULL, | |
248 | .firmware = "mrvl/sd8787_uapsta.bin", | |
2ac654f7 | 249 | .reg = &btmrvl_reg_87xx, |
4df82b59 | 250 | .support_pscan_win_report = false, |
2ac654f7 | 251 | .sd_blksz_fw_dl = 256, |
dc759613 | 252 | .supports_fw_dump = false, |
2ac654f7 BZ |
253 | }; |
254 | ||
255 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = { | |
256 | .helper = NULL, | |
257 | .firmware = "mrvl/sd8797_uapsta.bin", | |
258 | .reg = &btmrvl_reg_87xx, | |
4df82b59 | 259 | .support_pscan_win_report = false, |
9f72c1d9 | 260 | .sd_blksz_fw_dl = 256, |
dc759613 | 261 | .supports_fw_dump = false, |
789221ec BZ |
262 | }; |
263 | ||
3907d558 XH |
264 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8887 = { |
265 | .helper = NULL, | |
266 | .firmware = "mrvl/sd8887_uapsta.bin", | |
267 | .reg = &btmrvl_reg_8887, | |
268 | .support_pscan_win_report = true, | |
269 | .sd_blksz_fw_dl = 256, | |
dc759613 | 270 | .supports_fw_dump = false, |
3907d558 XH |
271 | }; |
272 | ||
22f2efed BZ |
273 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8897 = { |
274 | .helper = NULL, | |
275 | .firmware = "mrvl/sd8897_uapsta.bin", | |
1e3e492c | 276 | .reg = &btmrvl_reg_8897, |
4df82b59 | 277 | .support_pscan_win_report = true, |
22f2efed | 278 | .sd_blksz_fw_dl = 256, |
dc759613 | 279 | .supports_fw_dump = true, |
22f2efed BZ |
280 | }; |
281 | ||
f0ef6748 AK |
282 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8997 = { |
283 | .helper = NULL, | |
284 | .firmware = "mrvl/sd8997_uapsta.bin", | |
285 | .reg = &btmrvl_reg_8997, | |
286 | .support_pscan_win_report = true, | |
287 | .sd_blksz_fw_dl = 256, | |
288 | .supports_fw_dump = true, | |
289 | }; | |
290 | ||
dcf47f3b MH |
291 | static const struct sdio_device_id btmrvl_sdio_ids[] = { |
292 | /* Marvell SD8688 Bluetooth device */ | |
293 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9105), | |
53d6cfa5 | 294 | .driver_data = (unsigned long)&btmrvl_sdio_sd8688 }, |
9f72c1d9 KG |
295 | /* Marvell SD8787 Bluetooth device */ |
296 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A), | |
53d6cfa5 | 297 | .driver_data = (unsigned long)&btmrvl_sdio_sd8787 }, |
37ed561e BZ |
298 | /* Marvell SD8787 Bluetooth AMP device */ |
299 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911B), | |
53d6cfa5 | 300 | .driver_data = (unsigned long)&btmrvl_sdio_sd8787 }, |
2ac654f7 BZ |
301 | /* Marvell SD8797 Bluetooth device */ |
302 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A), | |
53d6cfa5 | 303 | .driver_data = (unsigned long)&btmrvl_sdio_sd8797 }, |
3907d558 XH |
304 | /* Marvell SD8887 Bluetooth device */ |
305 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9136), | |
306 | .driver_data = (unsigned long)&btmrvl_sdio_sd8887 }, | |
22f2efed BZ |
307 | /* Marvell SD8897 Bluetooth device */ |
308 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912E), | |
53d6cfa5 | 309 | .driver_data = (unsigned long)&btmrvl_sdio_sd8897 }, |
f0ef6748 AK |
310 | /* Marvell SD8997 Bluetooth device */ |
311 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9142), | |
312 | .driver_data = (unsigned long)&btmrvl_sdio_sd8997 }, | |
789221ec | 313 | |
dcf47f3b | 314 | { } /* Terminating entry */ |
789221ec BZ |
315 | }; |
316 | ||
dcf47f3b MH |
317 | MODULE_DEVICE_TABLE(sdio, btmrvl_sdio_ids); |
318 | ||
789221ec BZ |
319 | static int btmrvl_sdio_get_rx_unit(struct btmrvl_sdio_card *card) |
320 | { | |
321 | u8 reg; | |
322 | int ret; | |
323 | ||
9f72c1d9 | 324 | reg = sdio_readb(card->func, card->reg->card_rx_unit, &ret); |
789221ec BZ |
325 | if (!ret) |
326 | card->rx_unit = reg; | |
327 | ||
789221ec BZ |
328 | return ret; |
329 | } | |
330 | ||
331 | static int btmrvl_sdio_read_fw_status(struct btmrvl_sdio_card *card, u16 *dat) | |
332 | { | |
789221ec | 333 | u8 fws0, fws1; |
9374253f | 334 | int ret; |
789221ec BZ |
335 | |
336 | *dat = 0; | |
337 | ||
9f72c1d9 | 338 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); |
278be27f KV |
339 | if (ret) |
340 | return -EIO; | |
789221ec | 341 | |
9f72c1d9 | 342 | fws1 = sdio_readb(card->func, card->reg->card_fw_status1, &ret); |
9374253f | 343 | if (ret) |
789221ec | 344 | return -EIO; |
789221ec BZ |
345 | |
346 | *dat = (((u16) fws1) << 8) | fws0; | |
347 | ||
789221ec BZ |
348 | return 0; |
349 | } | |
350 | ||
351 | static int btmrvl_sdio_read_rx_len(struct btmrvl_sdio_card *card, u16 *dat) | |
352 | { | |
789221ec | 353 | u8 reg; |
9374253f | 354 | int ret; |
789221ec | 355 | |
9f72c1d9 | 356 | reg = sdio_readb(card->func, card->reg->card_rx_len, &ret); |
789221ec BZ |
357 | if (!ret) |
358 | *dat = (u16) reg << card->rx_unit; | |
359 | ||
789221ec BZ |
360 | return ret; |
361 | } | |
362 | ||
363 | static int btmrvl_sdio_enable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 364 | u8 mask) |
789221ec BZ |
365 | { |
366 | int ret; | |
367 | ||
9f72c1d9 | 368 | sdio_writeb(card->func, mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
369 | if (ret) { |
370 | BT_ERR("Unable to enable the host interrupt!"); | |
371 | ret = -EIO; | |
372 | } | |
373 | ||
789221ec BZ |
374 | return ret; |
375 | } | |
376 | ||
377 | static int btmrvl_sdio_disable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 378 | u8 mask) |
789221ec | 379 | { |
789221ec | 380 | u8 host_int_mask; |
9374253f | 381 | int ret; |
789221ec | 382 | |
9f72c1d9 | 383 | host_int_mask = sdio_readb(card->func, card->reg->host_int_mask, &ret); |
9374253f MH |
384 | if (ret) |
385 | return -EIO; | |
789221ec BZ |
386 | |
387 | host_int_mask &= ~mask; | |
388 | ||
9f72c1d9 | 389 | sdio_writeb(card->func, host_int_mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
390 | if (ret < 0) { |
391 | BT_ERR("Unable to disable the host interrupt!"); | |
9374253f | 392 | return -EIO; |
789221ec BZ |
393 | } |
394 | ||
9374253f | 395 | return 0; |
789221ec BZ |
396 | } |
397 | ||
398 | static int btmrvl_sdio_poll_card_status(struct btmrvl_sdio_card *card, u8 bits) | |
399 | { | |
400 | unsigned int tries; | |
789221ec | 401 | u8 status; |
9374253f | 402 | int ret; |
789221ec BZ |
403 | |
404 | for (tries = 0; tries < MAX_POLL_TRIES * 1000; tries++) { | |
9f72c1d9 | 405 | status = sdio_readb(card->func, card->reg->card_status, &ret); |
789221ec BZ |
406 | if (ret) |
407 | goto failed; | |
408 | if ((status & bits) == bits) | |
9374253f | 409 | return ret; |
789221ec BZ |
410 | |
411 | udelay(1); | |
412 | } | |
413 | ||
414 | ret = -ETIMEDOUT; | |
415 | ||
416 | failed: | |
417 | BT_ERR("FAILED! ret=%d", ret); | |
418 | ||
789221ec BZ |
419 | return ret; |
420 | } | |
421 | ||
422 | static int btmrvl_sdio_verify_fw_download(struct btmrvl_sdio_card *card, | |
dcf47f3b | 423 | int pollnum) |
789221ec | 424 | { |
789221ec | 425 | u16 firmwarestat; |
69676b1c | 426 | int tries, ret; |
789221ec | 427 | |
789221ec BZ |
428 | /* Wait for firmware to become ready */ |
429 | for (tries = 0; tries < pollnum; tries++) { | |
c1c999e2 AF |
430 | sdio_claim_host(card->func); |
431 | ret = btmrvl_sdio_read_fw_status(card, &firmwarestat); | |
432 | sdio_release_host(card->func); | |
433 | if (ret < 0) | |
789221ec BZ |
434 | continue; |
435 | ||
69676b1c AF |
436 | if (firmwarestat == FIRMWARE_READY) |
437 | return 0; | |
438 | ||
9a01242d | 439 | msleep(100); |
789221ec BZ |
440 | } |
441 | ||
69676b1c | 442 | return -ETIMEDOUT; |
789221ec BZ |
443 | } |
444 | ||
445 | static int btmrvl_sdio_download_helper(struct btmrvl_sdio_card *card) | |
446 | { | |
447 | const struct firmware *fw_helper = NULL; | |
448 | const u8 *helper = NULL; | |
449 | int ret; | |
450 | void *tmphlprbuf = NULL; | |
451 | int tmphlprbufsz, hlprblknow, helperlen; | |
452 | u8 *helperbuf; | |
453 | u32 tx_len; | |
454 | ||
789221ec | 455 | ret = request_firmware(&fw_helper, card->helper, |
dcf47f3b | 456 | &card->func->dev); |
789221ec BZ |
457 | if ((ret < 0) || !fw_helper) { |
458 | BT_ERR("request_firmware(helper) failed, error code = %d", | |
dcf47f3b | 459 | ret); |
789221ec BZ |
460 | ret = -ENOENT; |
461 | goto done; | |
462 | } | |
463 | ||
464 | helper = fw_helper->data; | |
465 | helperlen = fw_helper->size; | |
466 | ||
467 | BT_DBG("Downloading helper image (%d bytes), block size %d bytes", | |
dcf47f3b | 468 | helperlen, SDIO_BLOCK_SIZE); |
789221ec BZ |
469 | |
470 | tmphlprbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
471 | ||
f8df39f1 | 472 | tmphlprbuf = kzalloc(tmphlprbufsz, GFP_KERNEL); |
789221ec BZ |
473 | if (!tmphlprbuf) { |
474 | BT_ERR("Unable to allocate buffer for helper." | |
475 | " Terminating download"); | |
476 | ret = -ENOMEM; | |
477 | goto done; | |
478 | } | |
479 | ||
789221ec BZ |
480 | helperbuf = (u8 *) ALIGN_ADDR(tmphlprbuf, BTSDIO_DMA_ALIGN); |
481 | ||
482 | /* Perform helper data transfer */ | |
483 | tx_len = (FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE) | |
484 | - SDIO_HEADER_LEN; | |
485 | hlprblknow = 0; | |
486 | ||
487 | do { | |
488 | ret = btmrvl_sdio_poll_card_status(card, | |
489 | CARD_IO_READY | DN_LD_CARD_RDY); | |
490 | if (ret < 0) { | |
491 | BT_ERR("Helper download poll status timeout @ %d", | |
492 | hlprblknow); | |
493 | goto done; | |
494 | } | |
495 | ||
496 | /* Check if there is more data? */ | |
497 | if (hlprblknow >= helperlen) | |
498 | break; | |
499 | ||
500 | if (helperlen - hlprblknow < tx_len) | |
501 | tx_len = helperlen - hlprblknow; | |
502 | ||
503 | /* Little-endian */ | |
504 | helperbuf[0] = ((tx_len & 0x000000ff) >> 0); | |
505 | helperbuf[1] = ((tx_len & 0x0000ff00) >> 8); | |
506 | helperbuf[2] = ((tx_len & 0x00ff0000) >> 16); | |
507 | helperbuf[3] = ((tx_len & 0xff000000) >> 24); | |
508 | ||
509 | memcpy(&helperbuf[SDIO_HEADER_LEN], &helper[hlprblknow], | |
510 | tx_len); | |
511 | ||
512 | /* Now send the data */ | |
dcf47f3b MH |
513 | ret = sdio_writesb(card->func, card->ioport, helperbuf, |
514 | FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE); | |
789221ec BZ |
515 | if (ret < 0) { |
516 | BT_ERR("IO error during helper download @ %d", | |
517 | hlprblknow); | |
518 | goto done; | |
519 | } | |
520 | ||
521 | hlprblknow += tx_len; | |
522 | } while (true); | |
523 | ||
524 | BT_DBG("Transferring helper image EOF block"); | |
525 | ||
526 | memset(helperbuf, 0x0, SDIO_BLOCK_SIZE); | |
527 | ||
528 | ret = sdio_writesb(card->func, card->ioport, helperbuf, | |
dcf47f3b | 529 | SDIO_BLOCK_SIZE); |
789221ec BZ |
530 | if (ret < 0) { |
531 | BT_ERR("IO error in writing helper image EOF block"); | |
532 | goto done; | |
533 | } | |
534 | ||
535 | ret = 0; | |
536 | ||
537 | done: | |
538 | kfree(tmphlprbuf); | |
59f34fb3 | 539 | release_firmware(fw_helper); |
789221ec BZ |
540 | return ret; |
541 | } | |
542 | ||
543 | static int btmrvl_sdio_download_fw_w_helper(struct btmrvl_sdio_card *card) | |
544 | { | |
545 | const struct firmware *fw_firmware = NULL; | |
546 | const u8 *firmware = NULL; | |
547 | int firmwarelen, tmpfwbufsz, ret; | |
548 | unsigned int tries, offset; | |
549 | u8 base0, base1; | |
550 | void *tmpfwbuf = NULL; | |
551 | u8 *fwbuf; | |
9f72c1d9 | 552 | u16 len, blksz_dl = card->sd_blksz_fw_dl; |
789221ec BZ |
553 | int txlen = 0, tx_blocks = 0, count = 0; |
554 | ||
789221ec | 555 | ret = request_firmware(&fw_firmware, card->firmware, |
dcf47f3b | 556 | &card->func->dev); |
789221ec BZ |
557 | if ((ret < 0) || !fw_firmware) { |
558 | BT_ERR("request_firmware(firmware) failed, error code = %d", | |
dcf47f3b | 559 | ret); |
789221ec BZ |
560 | ret = -ENOENT; |
561 | goto done; | |
562 | } | |
563 | ||
564 | firmware = fw_firmware->data; | |
565 | firmwarelen = fw_firmware->size; | |
566 | ||
567 | BT_DBG("Downloading FW image (%d bytes)", firmwarelen); | |
568 | ||
569 | tmpfwbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
f8df39f1 | 570 | tmpfwbuf = kzalloc(tmpfwbufsz, GFP_KERNEL); |
789221ec BZ |
571 | if (!tmpfwbuf) { |
572 | BT_ERR("Unable to allocate buffer for firmware." | |
573 | " Terminating download"); | |
574 | ret = -ENOMEM; | |
575 | goto done; | |
576 | } | |
577 | ||
789221ec BZ |
578 | /* Ensure aligned firmware buffer */ |
579 | fwbuf = (u8 *) ALIGN_ADDR(tmpfwbuf, BTSDIO_DMA_ALIGN); | |
580 | ||
581 | /* Perform firmware data transfer */ | |
582 | offset = 0; | |
583 | do { | |
584 | ret = btmrvl_sdio_poll_card_status(card, | |
dcf47f3b | 585 | CARD_IO_READY | DN_LD_CARD_RDY); |
789221ec BZ |
586 | if (ret < 0) { |
587 | BT_ERR("FW download with helper poll status" | |
dcf47f3b | 588 | " timeout @ %d", offset); |
789221ec BZ |
589 | goto done; |
590 | } | |
591 | ||
592 | /* Check if there is more data ? */ | |
593 | if (offset >= firmwarelen) | |
594 | break; | |
595 | ||
596 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
597 | base0 = sdio_readb(card->func, | |
9f72c1d9 | 598 | card->reg->sq_read_base_addr_a0, &ret); |
789221ec BZ |
599 | if (ret) { |
600 | BT_ERR("BASE0 register read failed:" | |
601 | " base0 = 0x%04X(%d)." | |
602 | " Terminating download", | |
603 | base0, base0); | |
604 | ret = -EIO; | |
605 | goto done; | |
606 | } | |
607 | base1 = sdio_readb(card->func, | |
9f72c1d9 | 608 | card->reg->sq_read_base_addr_a1, &ret); |
789221ec BZ |
609 | if (ret) { |
610 | BT_ERR("BASE1 register read failed:" | |
611 | " base1 = 0x%04X(%d)." | |
612 | " Terminating download", | |
613 | base1, base1); | |
614 | ret = -EIO; | |
615 | goto done; | |
616 | } | |
617 | ||
618 | len = (((u16) base1) << 8) | base0; | |
619 | if (len) | |
620 | break; | |
621 | ||
622 | udelay(10); | |
623 | } | |
624 | ||
625 | if (!len) | |
626 | break; | |
627 | else if (len > BTM_UPLD_SIZE) { | |
628 | BT_ERR("FW download failure @%d, invalid length %d", | |
dcf47f3b | 629 | offset, len); |
789221ec BZ |
630 | ret = -EINVAL; |
631 | goto done; | |
632 | } | |
633 | ||
634 | txlen = len; | |
635 | ||
636 | if (len & BIT(0)) { | |
637 | count++; | |
638 | if (count > MAX_WRITE_IOMEM_RETRY) { | |
639 | BT_ERR("FW download failure @%d, " | |
640 | "over max retry count", offset); | |
641 | ret = -EIO; | |
642 | goto done; | |
643 | } | |
644 | BT_ERR("FW CRC error indicated by the helper: " | |
645 | "len = 0x%04X, txlen = %d", len, txlen); | |
646 | len &= ~BIT(0); | |
647 | /* Set txlen to 0 so as to resend from same offset */ | |
648 | txlen = 0; | |
649 | } else { | |
650 | count = 0; | |
651 | ||
652 | /* Last block ? */ | |
653 | if (firmwarelen - offset < txlen) | |
654 | txlen = firmwarelen - offset; | |
655 | ||
ba34dd3d | 656 | tx_blocks = DIV_ROUND_UP(txlen, blksz_dl); |
789221ec BZ |
657 | |
658 | memcpy(fwbuf, &firmware[offset], txlen); | |
659 | } | |
660 | ||
661 | ret = sdio_writesb(card->func, card->ioport, fwbuf, | |
9f72c1d9 | 662 | tx_blocks * blksz_dl); |
789221ec BZ |
663 | |
664 | if (ret < 0) { | |
665 | BT_ERR("FW download, writesb(%d) failed @%d", | |
dcf47f3b | 666 | count, offset); |
9f72c1d9 KG |
667 | sdio_writeb(card->func, HOST_CMD53_FIN, |
668 | card->reg->cfg, &ret); | |
789221ec BZ |
669 | if (ret) |
670 | BT_ERR("writeb failed (CFG)"); | |
671 | } | |
672 | ||
673 | offset += txlen; | |
674 | } while (true); | |
675 | ||
1c6098eb | 676 | BT_INFO("FW download over, size %d bytes", offset); |
789221ec BZ |
677 | |
678 | ret = 0; | |
679 | ||
680 | done: | |
681 | kfree(tmpfwbuf); | |
59f34fb3 | 682 | release_firmware(fw_firmware); |
789221ec BZ |
683 | return ret; |
684 | } | |
685 | ||
686 | static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv) | |
687 | { | |
688 | u16 buf_len = 0; | |
42632805 | 689 | int ret, num_blocks, blksz; |
789221ec BZ |
690 | struct sk_buff *skb = NULL; |
691 | u32 type; | |
9376e4a5 | 692 | u8 *payload; |
789221ec BZ |
693 | struct hci_dev *hdev = priv->btmrvl_dev.hcidev; |
694 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
695 | ||
789221ec BZ |
696 | if (!card || !card->func) { |
697 | BT_ERR("card or function is NULL!"); | |
698 | ret = -EINVAL; | |
699 | goto exit; | |
700 | } | |
701 | ||
702 | /* Read the length of data to be transferred */ | |
703 | ret = btmrvl_sdio_read_rx_len(card, &buf_len); | |
704 | if (ret < 0) { | |
705 | BT_ERR("read rx_len failed"); | |
706 | ret = -EIO; | |
707 | goto exit; | |
708 | } | |
709 | ||
710 | blksz = SDIO_BLOCK_SIZE; | |
e678bad5 | 711 | num_blocks = DIV_ROUND_UP(buf_len, blksz); |
789221ec BZ |
712 | |
713 | if (buf_len <= SDIO_HEADER_LEN | |
42632805 | 714 | || (num_blocks * blksz) > ALLOC_BUF_SIZE) { |
789221ec BZ |
715 | BT_ERR("invalid packet length: %d", buf_len); |
716 | ret = -EINVAL; | |
717 | goto exit; | |
718 | } | |
719 | ||
720 | /* Allocate buffer */ | |
42632805 | 721 | skb = bt_skb_alloc(num_blocks * blksz + BTSDIO_DMA_ALIGN, GFP_ATOMIC); |
1f438c61 | 722 | if (!skb) { |
789221ec | 723 | BT_ERR("No free skb"); |
6ea81c41 | 724 | ret = -ENOMEM; |
789221ec BZ |
725 | goto exit; |
726 | } | |
727 | ||
3318b236 BZ |
728 | if ((unsigned long) skb->data & (BTSDIO_DMA_ALIGN - 1)) { |
729 | skb_put(skb, (unsigned long) skb->data & | |
730 | (BTSDIO_DMA_ALIGN - 1)); | |
731 | skb_pull(skb, (unsigned long) skb->data & | |
732 | (BTSDIO_DMA_ALIGN - 1)); | |
789221ec BZ |
733 | } |
734 | ||
3318b236 | 735 | payload = skb->data; |
789221ec BZ |
736 | |
737 | ret = sdio_readsb(card->func, payload, card->ioport, | |
42632805 | 738 | num_blocks * blksz); |
789221ec BZ |
739 | if (ret < 0) { |
740 | BT_ERR("readsb failed: %d", ret); | |
741 | ret = -EIO; | |
742 | goto exit; | |
743 | } | |
744 | ||
745 | /* This is SDIO specific header length: byte[2][1][0], type: byte[3] | |
746 | * (HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor) | |
747 | */ | |
748 | ||
749 | buf_len = payload[0]; | |
9cb23dd4 AE |
750 | buf_len |= payload[1] << 8; |
751 | buf_len |= payload[2] << 16; | |
752 | ||
753 | if (buf_len > blksz * num_blocks) { | |
754 | BT_ERR("Skip incorrect packet: hdrlen %d buffer %d", | |
755 | buf_len, blksz * num_blocks); | |
756 | ret = -EIO; | |
757 | goto exit; | |
758 | } | |
759 | ||
789221ec BZ |
760 | type = payload[3]; |
761 | ||
762 | switch (type) { | |
763 | case HCI_ACLDATA_PKT: | |
764 | case HCI_SCODATA_PKT: | |
765 | case HCI_EVENT_PKT: | |
618e8bc2 | 766 | hci_skb_pkt_type(skb) = type; |
789221ec BZ |
767 | skb_put(skb, buf_len); |
768 | skb_pull(skb, SDIO_HEADER_LEN); | |
769 | ||
ea1e76a3 AE |
770 | if (type == HCI_EVENT_PKT) { |
771 | if (btmrvl_check_evtpkt(priv, skb)) | |
e1a26170 | 772 | hci_recv_frame(hdev, skb); |
2c2453f3 | 773 | } else { |
e1a26170 | 774 | hci_recv_frame(hdev, skb); |
2c2453f3 | 775 | } |
789221ec | 776 | |
789221ec BZ |
777 | hdev->stat.byte_rx += buf_len; |
778 | break; | |
779 | ||
780 | case MRVL_VENDOR_PKT: | |
618e8bc2 | 781 | hci_skb_pkt_type(skb) = HCI_VENDOR_PKT; |
789221ec BZ |
782 | skb_put(skb, buf_len); |
783 | skb_pull(skb, SDIO_HEADER_LEN); | |
784 | ||
785 | if (btmrvl_process_event(priv, skb)) | |
e1a26170 | 786 | hci_recv_frame(hdev, skb); |
789221ec BZ |
787 | |
788 | hdev->stat.byte_rx += buf_len; | |
789 | break; | |
790 | ||
791 | default: | |
af901ca1 | 792 | BT_ERR("Unknown packet type:%d", type); |
78c1b8e8 | 793 | BT_ERR("hex: %*ph", blksz * num_blocks, payload); |
789221ec BZ |
794 | |
795 | kfree_skb(skb); | |
796 | skb = NULL; | |
797 | break; | |
798 | } | |
799 | ||
800 | exit: | |
801 | if (ret) { | |
802 | hdev->stat.err_rx++; | |
7923296f | 803 | kfree_skb(skb); |
789221ec BZ |
804 | } |
805 | ||
789221ec BZ |
806 | return ret; |
807 | } | |
808 | ||
d1d10d78 | 809 | static int btmrvl_sdio_process_int_status(struct btmrvl_private *priv) |
789221ec | 810 | { |
d1d10d78 AK |
811 | ulong flags; |
812 | u8 ireg; | |
789221ec BZ |
813 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; |
814 | ||
d1d10d78 AK |
815 | spin_lock_irqsave(&priv->driver_lock, flags); |
816 | ireg = sdio_ireg; | |
817 | sdio_ireg = 0; | |
818 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
789221ec | 819 | |
d1d10d78 AK |
820 | sdio_claim_host(card->func); |
821 | if (ireg & DN_LD_HOST_INT_STATUS) { | |
789221ec BZ |
822 | if (priv->btmrvl_dev.tx_dnld_rdy) |
823 | BT_DBG("tx_done already received: " | |
d1d10d78 | 824 | " int_status=0x%x", ireg); |
789221ec BZ |
825 | else |
826 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
827 | } | |
828 | ||
d1d10d78 | 829 | if (ireg & UP_LD_HOST_INT_STATUS) |
789221ec BZ |
830 | btmrvl_sdio_card_to_host(priv); |
831 | ||
d1d10d78 | 832 | sdio_release_host(card->func); |
789221ec | 833 | |
d1d10d78 | 834 | return 0; |
789221ec BZ |
835 | } |
836 | ||
0d367408 BZ |
837 | static int btmrvl_sdio_read_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
838 | { | |
839 | struct btmrvl_adapter *adapter = card->priv->adapter; | |
840 | int ret; | |
841 | ||
842 | ret = sdio_readsb(card->func, adapter->hw_regs, 0, SDIO_BLOCK_SIZE); | |
843 | if (ret) { | |
844 | BT_ERR("sdio_readsb: read int hw_regs failed: %d", ret); | |
845 | return ret; | |
846 | } | |
847 | ||
848 | *ireg = adapter->hw_regs[card->reg->host_intstatus]; | |
849 | BT_DBG("hw_regs[%#x]=%#x", card->reg->host_intstatus, *ireg); | |
850 | ||
851 | return 0; | |
852 | } | |
853 | ||
8af4840a BZ |
854 | static int btmrvl_sdio_write_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
855 | { | |
856 | int ret; | |
857 | ||
858 | *ireg = sdio_readb(card->func, card->reg->host_intstatus, &ret); | |
859 | if (ret) { | |
860 | BT_ERR("sdio_readb: read int status failed: %d", ret); | |
861 | return ret; | |
862 | } | |
863 | ||
864 | if (*ireg) { | |
865 | /* | |
866 | * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS | |
867 | * Clear the interrupt status register and re-enable the | |
868 | * interrupt. | |
869 | */ | |
870 | BT_DBG("int_status = 0x%x", *ireg); | |
871 | ||
872 | sdio_writeb(card->func, ~(*ireg) & (DN_LD_HOST_INT_STATUS | | |
873 | UP_LD_HOST_INT_STATUS), | |
874 | card->reg->host_intstatus, &ret); | |
875 | if (ret) { | |
876 | BT_ERR("sdio_writeb: clear int status failed: %d", ret); | |
877 | return ret; | |
878 | } | |
879 | } | |
880 | ||
881 | return 0; | |
882 | } | |
883 | ||
789221ec BZ |
884 | static void btmrvl_sdio_interrupt(struct sdio_func *func) |
885 | { | |
886 | struct btmrvl_private *priv; | |
789221ec | 887 | struct btmrvl_sdio_card *card; |
d1d10d78 | 888 | ulong flags; |
789221ec | 889 | u8 ireg = 0; |
d1d10d78 | 890 | int ret; |
789221ec | 891 | |
789221ec | 892 | card = sdio_get_drvdata(func); |
d1d10d78 | 893 | if (!card || !card->priv) { |
7365d475 AK |
894 | BT_ERR("sbi_interrupt(%p) card or priv is NULL, card=%p", |
895 | func, card); | |
d1d10d78 AK |
896 | return; |
897 | } | |
789221ec | 898 | |
d1d10d78 | 899 | priv = card->priv; |
789221ec | 900 | |
7b4b8740 AK |
901 | if (priv->surprise_removed) |
902 | return; | |
903 | ||
0d367408 BZ |
904 | if (card->reg->int_read_to_clear) |
905 | ret = btmrvl_sdio_read_to_clear(card, &ireg); | |
906 | else | |
907 | ret = btmrvl_sdio_write_to_clear(card, &ireg); | |
908 | ||
8af4840a | 909 | if (ret) |
d1d10d78 | 910 | return; |
d1d10d78 AK |
911 | |
912 | spin_lock_irqsave(&priv->driver_lock, flags); | |
913 | sdio_ireg |= ireg; | |
914 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
915 | ||
916 | btmrvl_interrupt(priv); | |
789221ec BZ |
917 | } |
918 | ||
919 | static int btmrvl_sdio_register_dev(struct btmrvl_sdio_card *card) | |
920 | { | |
789221ec | 921 | struct sdio_func *func; |
dcf47f3b | 922 | u8 reg; |
a5c2f4c1 | 923 | int ret; |
789221ec | 924 | |
789221ec BZ |
925 | if (!card || !card->func) { |
926 | BT_ERR("Error: card or function is NULL!"); | |
927 | ret = -EINVAL; | |
928 | goto failed; | |
929 | } | |
930 | ||
931 | func = card->func; | |
932 | ||
789221ec BZ |
933 | sdio_claim_host(func); |
934 | ||
935 | ret = sdio_enable_func(func); | |
936 | if (ret) { | |
937 | BT_ERR("sdio_enable_func() failed: ret=%d", ret); | |
938 | ret = -EIO; | |
939 | goto release_host; | |
940 | } | |
941 | ||
942 | ret = sdio_claim_irq(func, btmrvl_sdio_interrupt); | |
943 | if (ret) { | |
944 | BT_ERR("sdio_claim_irq failed: ret=%d", ret); | |
945 | ret = -EIO; | |
946 | goto disable_func; | |
947 | } | |
948 | ||
949 | ret = sdio_set_block_size(card->func, SDIO_BLOCK_SIZE); | |
950 | if (ret) { | |
951 | BT_ERR("cannot set SDIO block size"); | |
952 | ret = -EIO; | |
953 | goto release_irq; | |
954 | } | |
955 | ||
9f72c1d9 | 956 | reg = sdio_readb(func, card->reg->io_port_0, &ret); |
789221ec BZ |
957 | if (ret < 0) { |
958 | ret = -EIO; | |
959 | goto release_irq; | |
960 | } | |
961 | ||
962 | card->ioport = reg; | |
963 | ||
9f72c1d9 | 964 | reg = sdio_readb(func, card->reg->io_port_1, &ret); |
789221ec BZ |
965 | if (ret < 0) { |
966 | ret = -EIO; | |
967 | goto release_irq; | |
968 | } | |
969 | ||
970 | card->ioport |= (reg << 8); | |
971 | ||
9f72c1d9 | 972 | reg = sdio_readb(func, card->reg->io_port_2, &ret); |
789221ec BZ |
973 | if (ret < 0) { |
974 | ret = -EIO; | |
975 | goto release_irq; | |
976 | } | |
977 | ||
978 | card->ioport |= (reg << 16); | |
979 | ||
980 | BT_DBG("SDIO FUNC%d IO port: 0x%x", func->num, card->ioport); | |
981 | ||
0d367408 BZ |
982 | if (card->reg->int_read_to_clear) { |
983 | reg = sdio_readb(func, card->reg->host_int_rsr, &ret); | |
984 | if (ret < 0) { | |
985 | ret = -EIO; | |
986 | goto release_irq; | |
987 | } | |
988 | sdio_writeb(func, reg | 0x3f, card->reg->host_int_rsr, &ret); | |
989 | if (ret < 0) { | |
990 | ret = -EIO; | |
991 | goto release_irq; | |
992 | } | |
993 | ||
994 | reg = sdio_readb(func, card->reg->card_misc_cfg, &ret); | |
995 | if (ret < 0) { | |
996 | ret = -EIO; | |
997 | goto release_irq; | |
998 | } | |
999 | sdio_writeb(func, reg | 0x10, card->reg->card_misc_cfg, &ret); | |
1000 | if (ret < 0) { | |
1001 | ret = -EIO; | |
1002 | goto release_irq; | |
1003 | } | |
1004 | } | |
1005 | ||
789221ec BZ |
1006 | sdio_set_drvdata(func, card); |
1007 | ||
1008 | sdio_release_host(func); | |
1009 | ||
789221ec BZ |
1010 | return 0; |
1011 | ||
1012 | release_irq: | |
1013 | sdio_release_irq(func); | |
1014 | ||
1015 | disable_func: | |
1016 | sdio_disable_func(func); | |
1017 | ||
1018 | release_host: | |
1019 | sdio_release_host(func); | |
1020 | ||
1021 | failed: | |
789221ec BZ |
1022 | return ret; |
1023 | } | |
1024 | ||
1025 | static int btmrvl_sdio_unregister_dev(struct btmrvl_sdio_card *card) | |
1026 | { | |
789221ec BZ |
1027 | if (card && card->func) { |
1028 | sdio_claim_host(card->func); | |
1029 | sdio_release_irq(card->func); | |
1030 | sdio_disable_func(card->func); | |
1031 | sdio_release_host(card->func); | |
1032 | sdio_set_drvdata(card->func, NULL); | |
1033 | } | |
1034 | ||
789221ec BZ |
1035 | return 0; |
1036 | } | |
1037 | ||
1038 | static int btmrvl_sdio_enable_host_int(struct btmrvl_sdio_card *card) | |
1039 | { | |
1040 | int ret; | |
1041 | ||
9374253f | 1042 | if (!card || !card->func) |
789221ec | 1043 | return -EINVAL; |
789221ec BZ |
1044 | |
1045 | sdio_claim_host(card->func); | |
1046 | ||
1047 | ret = btmrvl_sdio_enable_host_int_mask(card, HIM_ENABLE); | |
1048 | ||
1049 | btmrvl_sdio_get_rx_unit(card); | |
1050 | ||
1051 | sdio_release_host(card->func); | |
1052 | ||
789221ec BZ |
1053 | return ret; |
1054 | } | |
1055 | ||
1056 | static int btmrvl_sdio_disable_host_int(struct btmrvl_sdio_card *card) | |
1057 | { | |
1058 | int ret; | |
1059 | ||
9374253f | 1060 | if (!card || !card->func) |
789221ec | 1061 | return -EINVAL; |
789221ec BZ |
1062 | |
1063 | sdio_claim_host(card->func); | |
1064 | ||
1065 | ret = btmrvl_sdio_disable_host_int_mask(card, HIM_DISABLE); | |
1066 | ||
1067 | sdio_release_host(card->func); | |
1068 | ||
789221ec BZ |
1069 | return ret; |
1070 | } | |
1071 | ||
1072 | static int btmrvl_sdio_host_to_card(struct btmrvl_private *priv, | |
1073 | u8 *payload, u16 nb) | |
1074 | { | |
1075 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1076 | int ret = 0; | |
789221ec BZ |
1077 | int blksz; |
1078 | int i = 0; | |
1079 | u8 *buf = NULL; | |
1080 | void *tmpbuf = NULL; | |
1081 | int tmpbufsz; | |
1082 | ||
789221ec BZ |
1083 | if (!card || !card->func) { |
1084 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1085 | return -EINVAL; |
1086 | } | |
1087 | ||
d2f30240 RL |
1088 | blksz = DIV_ROUND_UP(nb, SDIO_BLOCK_SIZE) * SDIO_BLOCK_SIZE; |
1089 | ||
789221ec | 1090 | buf = payload; |
d2f30240 RL |
1091 | if ((unsigned long) payload & (BTSDIO_DMA_ALIGN - 1) || |
1092 | nb < blksz) { | |
1093 | tmpbufsz = ALIGN_SZ(blksz, BTSDIO_DMA_ALIGN) + | |
1094 | BTSDIO_DMA_ALIGN; | |
5959809d JL |
1095 | tmpbuf = kzalloc(tmpbufsz, GFP_KERNEL); |
1096 | if (!tmpbuf) | |
1097 | return -ENOMEM; | |
789221ec BZ |
1098 | buf = (u8 *) ALIGN_ADDR(tmpbuf, BTSDIO_DMA_ALIGN); |
1099 | memcpy(buf, payload, nb); | |
1100 | } | |
1101 | ||
789221ec BZ |
1102 | sdio_claim_host(card->func); |
1103 | ||
1104 | do { | |
1105 | /* Transfer data to card */ | |
1106 | ret = sdio_writesb(card->func, card->ioport, buf, | |
d2f30240 | 1107 | blksz); |
789221ec BZ |
1108 | if (ret < 0) { |
1109 | i++; | |
1110 | BT_ERR("i=%d writesb failed: %d", i, ret); | |
78c1b8e8 | 1111 | BT_ERR("hex: %*ph", nb, payload); |
789221ec BZ |
1112 | ret = -EIO; |
1113 | if (i > MAX_WRITE_IOMEM_RETRY) | |
1114 | goto exit; | |
1115 | } | |
1116 | } while (ret); | |
1117 | ||
1118 | priv->btmrvl_dev.tx_dnld_rdy = false; | |
1119 | ||
1120 | exit: | |
1121 | sdio_release_host(card->func); | |
88d1a0cf | 1122 | kfree(tmpbuf); |
789221ec | 1123 | |
789221ec BZ |
1124 | return ret; |
1125 | } | |
1126 | ||
1127 | static int btmrvl_sdio_download_fw(struct btmrvl_sdio_card *card) | |
1128 | { | |
faff7f74 | 1129 | int ret; |
9f72c1d9 KG |
1130 | u8 fws0; |
1131 | int pollnum = MAX_POLL_TRIES; | |
789221ec | 1132 | |
789221ec BZ |
1133 | if (!card || !card->func) { |
1134 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1135 | return -EINVAL; |
1136 | } | |
789221ec BZ |
1137 | |
1138 | if (!btmrvl_sdio_verify_fw_download(card, 1)) { | |
1139 | BT_DBG("Firmware already downloaded!"); | |
c1c999e2 | 1140 | return 0; |
789221ec BZ |
1141 | } |
1142 | ||
c1c999e2 AF |
1143 | sdio_claim_host(card->func); |
1144 | ||
9f72c1d9 KG |
1145 | /* Check if other function driver is downloading the firmware */ |
1146 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); | |
789221ec | 1147 | if (ret) { |
9f72c1d9 | 1148 | BT_ERR("Failed to read FW downloading status!"); |
789221ec BZ |
1149 | ret = -EIO; |
1150 | goto done; | |
1151 | } | |
9f72c1d9 KG |
1152 | if (fws0) { |
1153 | BT_DBG("BT not the winner (%#x). Skip FW downloading", fws0); | |
1154 | ||
1155 | /* Give other function more time to download the firmware */ | |
1156 | pollnum *= 10; | |
1157 | } else { | |
1158 | if (card->helper) { | |
1159 | ret = btmrvl_sdio_download_helper(card); | |
1160 | if (ret) { | |
1161 | BT_ERR("Failed to download helper!"); | |
1162 | ret = -EIO; | |
1163 | goto done; | |
1164 | } | |
1165 | } | |
789221ec | 1166 | |
9f72c1d9 KG |
1167 | if (btmrvl_sdio_download_fw_w_helper(card)) { |
1168 | BT_ERR("Failed to download firmware!"); | |
1169 | ret = -EIO; | |
1170 | goto done; | |
1171 | } | |
789221ec BZ |
1172 | } |
1173 | ||
69676b1c AF |
1174 | /* |
1175 | * winner or not, with this test the FW synchronizes when the | |
1176 | * module can continue its initialization | |
1177 | */ | |
9f72c1d9 | 1178 | if (btmrvl_sdio_verify_fw_download(card, pollnum)) { |
789221ec | 1179 | BT_ERR("FW failed to be active in time!"); |
86f7ac77 CRL |
1180 | ret = -ETIMEDOUT; |
1181 | goto done; | |
789221ec BZ |
1182 | } |
1183 | ||
4863e4cc AN |
1184 | sdio_release_host(card->func); |
1185 | ||
c1c999e2 AF |
1186 | return 0; |
1187 | ||
789221ec BZ |
1188 | done: |
1189 | sdio_release_host(card->func); | |
789221ec BZ |
1190 | return ret; |
1191 | } | |
1192 | ||
1193 | static int btmrvl_sdio_wakeup_fw(struct btmrvl_private *priv) | |
1194 | { | |
1195 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1196 | int ret = 0; | |
1197 | ||
789221ec BZ |
1198 | if (!card || !card->func) { |
1199 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1200 | return -EINVAL; |
1201 | } | |
1202 | ||
1203 | sdio_claim_host(card->func); | |
1204 | ||
9f72c1d9 | 1205 | sdio_writeb(card->func, HOST_POWER_UP, card->reg->cfg, &ret); |
789221ec BZ |
1206 | |
1207 | sdio_release_host(card->func); | |
1208 | ||
1209 | BT_DBG("wake up firmware"); | |
1210 | ||
789221ec BZ |
1211 | return ret; |
1212 | } | |
1213 | ||
dc759613 XH |
1214 | static void btmrvl_sdio_dump_regs(struct btmrvl_private *priv) |
1215 | { | |
1216 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1217 | int ret = 0; | |
1218 | unsigned int reg, reg_start, reg_end; | |
1219 | char buf[256], *ptr; | |
1220 | u8 loop, func, data; | |
1221 | int MAX_LOOP = 2; | |
1222 | ||
1223 | btmrvl_sdio_wakeup_fw(priv); | |
1224 | sdio_claim_host(card->func); | |
1225 | ||
1226 | for (loop = 0; loop < MAX_LOOP; loop++) { | |
1227 | memset(buf, 0, sizeof(buf)); | |
1228 | ptr = buf; | |
1229 | ||
1230 | if (loop == 0) { | |
1231 | /* Read the registers of SDIO function0 */ | |
1232 | func = loop; | |
1233 | reg_start = 0; | |
1234 | reg_end = 9; | |
1235 | } else { | |
1236 | func = 2; | |
1237 | reg_start = 0; | |
1238 | reg_end = 0x09; | |
1239 | } | |
1240 | ||
1241 | ptr += sprintf(ptr, "SDIO Func%d (%#x-%#x): ", | |
1242 | func, reg_start, reg_end); | |
1243 | for (reg = reg_start; reg <= reg_end; reg++) { | |
1244 | if (func == 0) | |
1245 | data = sdio_f0_readb(card->func, reg, &ret); | |
1246 | else | |
1247 | data = sdio_readb(card->func, reg, &ret); | |
1248 | ||
1249 | if (!ret) { | |
1250 | ptr += sprintf(ptr, "%02x ", data); | |
1251 | } else { | |
1252 | ptr += sprintf(ptr, "ERR"); | |
1253 | break; | |
1254 | } | |
1255 | } | |
1256 | ||
1257 | BT_INFO("%s", buf); | |
1258 | } | |
1259 | ||
1260 | sdio_release_host(card->func); | |
1261 | } | |
1262 | ||
1263 | /* This function read/write firmware */ | |
1264 | static enum | |
1265 | rdwr_status btmrvl_sdio_rdwr_firmware(struct btmrvl_private *priv, | |
1266 | u8 doneflag) | |
1267 | { | |
1268 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1269 | int ret, tries; | |
1270 | u8 ctrl_data = 0; | |
1271 | ||
1272 | sdio_writeb(card->func, FW_DUMP_HOST_READY, card->reg->fw_dump_ctrl, | |
1273 | &ret); | |
1274 | ||
1275 | if (ret) { | |
1276 | BT_ERR("SDIO write err"); | |
1277 | return RDWR_STATUS_FAILURE; | |
1278 | } | |
1279 | ||
1280 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
1281 | ctrl_data = sdio_readb(card->func, card->reg->fw_dump_ctrl, | |
1282 | &ret); | |
1283 | ||
1284 | if (ret) { | |
1285 | BT_ERR("SDIO read err"); | |
1286 | return RDWR_STATUS_FAILURE; | |
1287 | } | |
1288 | ||
1289 | if (ctrl_data == FW_DUMP_DONE) | |
1290 | break; | |
1291 | if (doneflag && ctrl_data == doneflag) | |
1292 | return RDWR_STATUS_DONE; | |
1293 | if (ctrl_data != FW_DUMP_HOST_READY) { | |
1294 | BT_INFO("The ctrl reg was changed, re-try again!"); | |
1295 | sdio_writeb(card->func, FW_DUMP_HOST_READY, | |
1296 | card->reg->fw_dump_ctrl, &ret); | |
1297 | if (ret) { | |
1298 | BT_ERR("SDIO write err"); | |
1299 | return RDWR_STATUS_FAILURE; | |
1300 | } | |
1301 | } | |
1302 | usleep_range(100, 200); | |
1303 | } | |
1304 | ||
1305 | if (ctrl_data == FW_DUMP_HOST_READY) { | |
1306 | BT_ERR("Fail to pull ctrl_data"); | |
1307 | return RDWR_STATUS_FAILURE; | |
1308 | } | |
1309 | ||
1310 | return RDWR_STATUS_SUCCESS; | |
1311 | } | |
1312 | ||
1313 | /* This function dump sdio register and memory data */ | |
1314 | static void btmrvl_sdio_dump_firmware(struct btmrvl_private *priv) | |
1315 | { | |
1316 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1317 | int ret = 0; | |
1318 | unsigned int reg, reg_start, reg_end; | |
1319 | enum rdwr_status stat; | |
1320 | u8 *dbg_ptr, *end_ptr, *fw_dump_data, *fw_dump_ptr; | |
a1e85f04 | 1321 | u8 dump_num = 0, idx, i, read_reg, doneflag = 0; |
dc759613 XH |
1322 | u32 memory_size, fw_dump_len = 0; |
1323 | ||
1324 | /* dump sdio register first */ | |
1325 | btmrvl_sdio_dump_regs(priv); | |
1326 | ||
1327 | if (!card->supports_fw_dump) { | |
1328 | BT_ERR("Firmware dump not supported for this card!"); | |
1329 | return; | |
1330 | } | |
1331 | ||
1332 | for (idx = 0; idx < ARRAY_SIZE(mem_type_mapping_tbl); idx++) { | |
1333 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1334 | ||
1335 | if (entry->mem_ptr) { | |
1336 | vfree(entry->mem_ptr); | |
1337 | entry->mem_ptr = NULL; | |
1338 | } | |
1339 | entry->mem_size = 0; | |
1340 | } | |
1341 | ||
1342 | btmrvl_sdio_wakeup_fw(priv); | |
1343 | sdio_claim_host(card->func); | |
1344 | ||
1345 | BT_INFO("== btmrvl firmware dump start =="); | |
1346 | ||
1347 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1348 | if (stat == RDWR_STATUS_FAILURE) | |
1349 | goto done; | |
1350 | ||
1351 | reg = card->reg->fw_dump_start; | |
1352 | /* Read the number of the memories which will dump */ | |
1353 | dump_num = sdio_readb(card->func, reg, &ret); | |
1354 | ||
1355 | if (ret) { | |
1356 | BT_ERR("SDIO read memory length err"); | |
1357 | goto done; | |
1358 | } | |
1359 | ||
1360 | /* Read the length of every memory which will dump */ | |
1361 | for (idx = 0; idx < dump_num; idx++) { | |
1362 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1363 | ||
1364 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1365 | if (stat == RDWR_STATUS_FAILURE) | |
1366 | goto done; | |
1367 | ||
1368 | memory_size = 0; | |
1369 | reg = card->reg->fw_dump_start; | |
1370 | for (i = 0; i < 4; i++) { | |
1371 | read_reg = sdio_readb(card->func, reg, &ret); | |
1372 | if (ret) { | |
1373 | BT_ERR("SDIO read err"); | |
1374 | goto done; | |
1375 | } | |
1376 | memory_size |= (read_reg << i*8); | |
1377 | reg++; | |
1378 | } | |
1379 | ||
1380 | if (memory_size == 0) { | |
1381 | BT_INFO("Firmware dump finished!"); | |
475b9eac NK |
1382 | sdio_writeb(card->func, FW_DUMP_READ_DONE, |
1383 | card->reg->fw_dump_ctrl, &ret); | |
1384 | if (ret) { | |
1385 | BT_ERR("SDIO Write MEMDUMP_FINISH ERR"); | |
1386 | goto done; | |
1387 | } | |
dc759613 XH |
1388 | break; |
1389 | } | |
1390 | ||
1391 | BT_INFO("%s_SIZE=0x%x", entry->mem_name, memory_size); | |
1392 | entry->mem_ptr = vzalloc(memory_size + 1); | |
1393 | entry->mem_size = memory_size; | |
1394 | if (!entry->mem_ptr) { | |
1395 | BT_ERR("Vzalloc %s failed", entry->mem_name); | |
1396 | goto done; | |
1397 | } | |
1398 | ||
1399 | fw_dump_len += (strlen("========Start dump ") + | |
1400 | strlen(entry->mem_name) + | |
1401 | strlen("========\n") + | |
1402 | (memory_size + 1) + | |
1403 | strlen("\n========End dump========\n")); | |
1404 | ||
1405 | dbg_ptr = entry->mem_ptr; | |
1406 | end_ptr = dbg_ptr + memory_size; | |
1407 | ||
1408 | doneflag = entry->done_flag; | |
1409 | BT_INFO("Start %s output, please wait...", | |
1410 | entry->mem_name); | |
1411 | ||
1412 | do { | |
1413 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1414 | if (stat == RDWR_STATUS_FAILURE) | |
1415 | goto done; | |
1416 | ||
1417 | reg_start = card->reg->fw_dump_start; | |
1418 | reg_end = card->reg->fw_dump_end; | |
1419 | for (reg = reg_start; reg <= reg_end; reg++) { | |
1420 | *dbg_ptr = sdio_readb(card->func, reg, &ret); | |
1421 | if (ret) { | |
1422 | BT_ERR("SDIO read err"); | |
1423 | goto done; | |
1424 | } | |
1425 | if (dbg_ptr < end_ptr) | |
1426 | dbg_ptr++; | |
1427 | else | |
1428 | BT_ERR("Allocated buffer not enough"); | |
1429 | } | |
1430 | ||
1431 | if (stat != RDWR_STATUS_DONE) { | |
1432 | continue; | |
1433 | } else { | |
1434 | BT_INFO("%s done: size=0x%tx", | |
1435 | entry->mem_name, | |
1436 | dbg_ptr - entry->mem_ptr); | |
1437 | break; | |
1438 | } | |
1439 | } while (1); | |
1440 | } | |
1441 | ||
1442 | BT_INFO("== btmrvl firmware dump end =="); | |
1443 | ||
1444 | done: | |
1445 | sdio_release_host(card->func); | |
1446 | ||
1447 | if (fw_dump_len == 0) | |
1448 | return; | |
1449 | ||
1450 | fw_dump_data = vzalloc(fw_dump_len+1); | |
1451 | if (!fw_dump_data) { | |
1452 | BT_ERR("Vzalloc fw_dump_data fail!"); | |
1453 | return; | |
1454 | } | |
1455 | fw_dump_ptr = fw_dump_data; | |
1456 | ||
1457 | /* Dump all the memory data into single file, a userspace script will | |
d98422cb DR |
1458 | * be used to split all the memory data to multiple files |
1459 | */ | |
dc759613 XH |
1460 | BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump start"); |
1461 | for (idx = 0; idx < dump_num; idx++) { | |
1462 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1463 | ||
1464 | if (entry->mem_ptr) { | |
1465 | strcpy(fw_dump_ptr, "========Start dump "); | |
1466 | fw_dump_ptr += strlen("========Start dump "); | |
1467 | ||
1468 | strcpy(fw_dump_ptr, entry->mem_name); | |
1469 | fw_dump_ptr += strlen(entry->mem_name); | |
1470 | ||
1471 | strcpy(fw_dump_ptr, "========\n"); | |
1472 | fw_dump_ptr += strlen("========\n"); | |
1473 | ||
1474 | memcpy(fw_dump_ptr, entry->mem_ptr, entry->mem_size); | |
1475 | fw_dump_ptr += entry->mem_size; | |
1476 | ||
1477 | strcpy(fw_dump_ptr, "\n========End dump========\n"); | |
1478 | fw_dump_ptr += strlen("\n========End dump========\n"); | |
1479 | ||
1480 | vfree(mem_type_mapping_tbl[idx].mem_ptr); | |
1481 | mem_type_mapping_tbl[idx].mem_ptr = NULL; | |
1482 | } | |
1483 | } | |
1484 | ||
1485 | /* fw_dump_data will be free in device coredump release function | |
d98422cb DR |
1486 | * after 5 min |
1487 | */ | |
d4902632 | 1488 | dev_coredumpv(&card->func->dev, fw_dump_data, fw_dump_len, GFP_KERNEL); |
dc759613 XH |
1489 | BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump end"); |
1490 | } | |
1491 | ||
789221ec | 1492 | static int btmrvl_sdio_probe(struct sdio_func *func, |
dcf47f3b | 1493 | const struct sdio_device_id *id) |
789221ec BZ |
1494 | { |
1495 | int ret = 0; | |
1496 | struct btmrvl_private *priv = NULL; | |
1497 | struct btmrvl_sdio_card *card = NULL; | |
1498 | ||
789221ec BZ |
1499 | BT_INFO("vendor=0x%x, device=0x%x, class=%d, fn=%d", |
1500 | id->vendor, id->device, id->class, func->num); | |
1501 | ||
eb17ea3b SK |
1502 | card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL); |
1503 | if (!card) | |
1504 | return -ENOMEM; | |
789221ec BZ |
1505 | |
1506 | card->func = func; | |
1507 | ||
dcf47f3b MH |
1508 | if (id->driver_data) { |
1509 | struct btmrvl_sdio_device *data = (void *) id->driver_data; | |
9f72c1d9 | 1510 | card->helper = data->helper; |
dcf47f3b | 1511 | card->firmware = data->firmware; |
9f72c1d9 KG |
1512 | card->reg = data->reg; |
1513 | card->sd_blksz_fw_dl = data->sd_blksz_fw_dl; | |
4df82b59 | 1514 | card->support_pscan_win_report = data->support_pscan_win_report; |
dc759613 | 1515 | card->supports_fw_dump = data->supports_fw_dump; |
dcf47f3b MH |
1516 | } |
1517 | ||
789221ec BZ |
1518 | if (btmrvl_sdio_register_dev(card) < 0) { |
1519 | BT_ERR("Failed to register BT device!"); | |
eb17ea3b | 1520 | return -ENODEV; |
789221ec BZ |
1521 | } |
1522 | ||
1523 | /* Disable the interrupts on the card */ | |
1524 | btmrvl_sdio_disable_host_int(card); | |
1525 | ||
1526 | if (btmrvl_sdio_download_fw(card)) { | |
1527 | BT_ERR("Downloading firmware failed!"); | |
1528 | ret = -ENODEV; | |
1529 | goto unreg_dev; | |
1530 | } | |
1531 | ||
789221ec BZ |
1532 | btmrvl_sdio_enable_host_int(card); |
1533 | ||
bb7f4f0b XH |
1534 | /* Device tree node parsing and platform specific configuration*/ |
1535 | btmrvl_sdio_probe_of(&func->dev, card); | |
1536 | ||
789221ec BZ |
1537 | priv = btmrvl_add_card(card); |
1538 | if (!priv) { | |
1539 | BT_ERR("Initializing card failed!"); | |
1540 | ret = -ENODEV; | |
1541 | goto disable_host_int; | |
1542 | } | |
1543 | ||
1544 | card->priv = priv; | |
1545 | ||
1546 | /* Initialize the interface specific function pointers */ | |
1547 | priv->hw_host_to_card = btmrvl_sdio_host_to_card; | |
1548 | priv->hw_wakeup_firmware = btmrvl_sdio_wakeup_fw; | |
d1d10d78 | 1549 | priv->hw_process_int_status = btmrvl_sdio_process_int_status; |
dc759613 | 1550 | priv->firmware_dump = btmrvl_sdio_dump_firmware; |
789221ec | 1551 | |
64061607 BZ |
1552 | if (btmrvl_register_hdev(priv)) { |
1553 | BT_ERR("Register hdev failed!"); | |
1554 | ret = -ENODEV; | |
1555 | goto disable_host_int; | |
1556 | } | |
1557 | ||
789221ec BZ |
1558 | return 0; |
1559 | ||
1560 | disable_host_int: | |
1561 | btmrvl_sdio_disable_host_int(card); | |
1562 | unreg_dev: | |
1563 | btmrvl_sdio_unregister_dev(card); | |
789221ec BZ |
1564 | return ret; |
1565 | } | |
1566 | ||
1567 | static void btmrvl_sdio_remove(struct sdio_func *func) | |
1568 | { | |
1569 | struct btmrvl_sdio_card *card; | |
1570 | ||
789221ec BZ |
1571 | if (func) { |
1572 | card = sdio_get_drvdata(func); | |
1573 | if (card) { | |
1574 | /* Send SHUTDOWN command & disable interrupt | |
1575 | * if user removes the module. | |
1576 | */ | |
1577 | if (user_rmmod) { | |
1578 | btmrvl_send_module_cfg_cmd(card->priv, | |
1579 | MODULE_SHUTDOWN_REQ); | |
1580 | btmrvl_sdio_disable_host_int(card); | |
1581 | } | |
92322599 | 1582 | BT_DBG("unregister dev"); |
7b4b8740 | 1583 | card->priv->surprise_removed = true; |
789221ec BZ |
1584 | btmrvl_sdio_unregister_dev(card); |
1585 | btmrvl_remove_card(card->priv); | |
789221ec BZ |
1586 | } |
1587 | } | |
789221ec BZ |
1588 | } |
1589 | ||
ba54a16f AK |
1590 | static int btmrvl_sdio_suspend(struct device *dev) |
1591 | { | |
1592 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1593 | struct btmrvl_sdio_card *card; | |
1594 | struct btmrvl_private *priv; | |
1595 | mmc_pm_flag_t pm_flags; | |
1596 | struct hci_dev *hcidev; | |
1597 | ||
1598 | if (func) { | |
1599 | pm_flags = sdio_get_host_pm_caps(func); | |
1600 | BT_DBG("%s: suspend: PM flags = 0x%x", sdio_func_id(func), | |
1601 | pm_flags); | |
1602 | if (!(pm_flags & MMC_PM_KEEP_POWER)) { | |
1603 | BT_ERR("%s: cannot remain alive while suspended", | |
1604 | sdio_func_id(func)); | |
1605 | return -ENOSYS; | |
1606 | } | |
1607 | card = sdio_get_drvdata(func); | |
1608 | if (!card || !card->priv) { | |
1609 | BT_ERR("card or priv structure is not valid"); | |
1610 | return 0; | |
1611 | } | |
1612 | } else { | |
1613 | BT_ERR("sdio_func is not specified"); | |
1614 | return 0; | |
1615 | } | |
1616 | ||
bb7f4f0b XH |
1617 | /* Enable platform specific wakeup interrupt */ |
1618 | if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0) { | |
1619 | card->plt_wake_cfg->wake_by_bt = false; | |
1620 | enable_irq(card->plt_wake_cfg->irq_bt); | |
1621 | enable_irq_wake(card->plt_wake_cfg->irq_bt); | |
1622 | } | |
1623 | ||
ba54a16f | 1624 | priv = card->priv; |
8cf60cf2 | 1625 | priv->adapter->is_suspending = true; |
5bf8a748 CRL |
1626 | hcidev = priv->btmrvl_dev.hcidev; |
1627 | BT_DBG("%s: SDIO suspend", hcidev->name); | |
1628 | hci_suspend_dev(hcidev); | |
ba54a16f AK |
1629 | |
1630 | if (priv->adapter->hs_state != HS_ACTIVATED) { | |
1631 | if (btmrvl_enable_hs(priv)) { | |
8f91566f | 1632 | BT_ERR("HS not activated, suspend failed!"); |
6eb7bd66 XH |
1633 | /* Disable platform specific wakeup interrupt */ |
1634 | if (card->plt_wake_cfg && | |
1635 | card->plt_wake_cfg->irq_bt >= 0) { | |
1636 | disable_irq_wake(card->plt_wake_cfg->irq_bt); | |
1637 | disable_irq(card->plt_wake_cfg->irq_bt); | |
1638 | } | |
1639 | ||
e7acf430 | 1640 | priv->adapter->is_suspending = false; |
ba54a16f AK |
1641 | return -EBUSY; |
1642 | } | |
1643 | } | |
ba54a16f | 1644 | |
8cf60cf2 | 1645 | priv->adapter->is_suspending = false; |
ba54a16f AK |
1646 | priv->adapter->is_suspended = true; |
1647 | ||
1648 | /* We will keep the power when hs enabled successfully */ | |
1649 | if (priv->adapter->hs_state == HS_ACTIVATED) { | |
1650 | BT_DBG("suspend with MMC_PM_KEEP_POWER"); | |
1651 | return sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); | |
ba54a16f | 1652 | } |
f1554b7b | 1653 | |
1654 | BT_DBG("suspend without MMC_PM_KEEP_POWER"); | |
1655 | return 0; | |
ba54a16f AK |
1656 | } |
1657 | ||
1658 | static int btmrvl_sdio_resume(struct device *dev) | |
1659 | { | |
1660 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1661 | struct btmrvl_sdio_card *card; | |
1662 | struct btmrvl_private *priv; | |
1663 | mmc_pm_flag_t pm_flags; | |
1664 | struct hci_dev *hcidev; | |
1665 | ||
1666 | if (func) { | |
1667 | pm_flags = sdio_get_host_pm_caps(func); | |
1668 | BT_DBG("%s: resume: PM flags = 0x%x", sdio_func_id(func), | |
1669 | pm_flags); | |
1670 | card = sdio_get_drvdata(func); | |
1671 | if (!card || !card->priv) { | |
1672 | BT_ERR("card or priv structure is not valid"); | |
1673 | return 0; | |
1674 | } | |
1675 | } else { | |
1676 | BT_ERR("sdio_func is not specified"); | |
1677 | return 0; | |
1678 | } | |
1679 | priv = card->priv; | |
1680 | ||
1681 | if (!priv->adapter->is_suspended) { | |
1682 | BT_DBG("device already resumed"); | |
1683 | return 0; | |
1684 | } | |
1685 | ||
ba54a16f AK |
1686 | priv->hw_wakeup_firmware(priv); |
1687 | priv->adapter->hs_state = HS_DEACTIVATED; | |
5bf8a748 | 1688 | hcidev = priv->btmrvl_dev.hcidev; |
ba54a16f | 1689 | BT_DBG("%s: HS DEACTIVATED in resume!", hcidev->name); |
5bf8a748 CRL |
1690 | priv->adapter->is_suspended = false; |
1691 | BT_DBG("%s: SDIO resume", hcidev->name); | |
1692 | hci_resume_dev(hcidev); | |
ba54a16f | 1693 | |
bb7f4f0b XH |
1694 | /* Disable platform specific wakeup interrupt */ |
1695 | if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0) { | |
1696 | disable_irq_wake(card->plt_wake_cfg->irq_bt); | |
9af02d86 JC |
1697 | disable_irq(card->plt_wake_cfg->irq_bt); |
1698 | if (card->plt_wake_cfg->wake_by_bt) | |
1699 | /* Undo our disable, since interrupt handler already | |
1700 | * did this. | |
1701 | */ | |
1702 | enable_irq(card->plt_wake_cfg->irq_bt); | |
bb7f4f0b XH |
1703 | } |
1704 | ||
ba54a16f AK |
1705 | return 0; |
1706 | } | |
1707 | ||
1708 | static const struct dev_pm_ops btmrvl_sdio_pm_ops = { | |
1709 | .suspend = btmrvl_sdio_suspend, | |
1710 | .resume = btmrvl_sdio_resume, | |
1711 | }; | |
1712 | ||
789221ec BZ |
1713 | static struct sdio_driver bt_mrvl_sdio = { |
1714 | .name = "btmrvl_sdio", | |
1715 | .id_table = btmrvl_sdio_ids, | |
1716 | .probe = btmrvl_sdio_probe, | |
1717 | .remove = btmrvl_sdio_remove, | |
ba54a16f AK |
1718 | .drv = { |
1719 | .owner = THIS_MODULE, | |
1720 | .pm = &btmrvl_sdio_pm_ops, | |
1721 | } | |
789221ec BZ |
1722 | }; |
1723 | ||
8e5b2308 | 1724 | static int __init btmrvl_sdio_init_module(void) |
789221ec | 1725 | { |
789221ec BZ |
1726 | if (sdio_register_driver(&bt_mrvl_sdio) != 0) { |
1727 | BT_ERR("SDIO Driver Registration Failed"); | |
789221ec BZ |
1728 | return -ENODEV; |
1729 | } | |
1730 | ||
1731 | /* Clear the flag in case user removes the card. */ | |
1732 | user_rmmod = 0; | |
1733 | ||
789221ec BZ |
1734 | return 0; |
1735 | } | |
1736 | ||
8e5b2308 | 1737 | static void __exit btmrvl_sdio_exit_module(void) |
789221ec | 1738 | { |
789221ec BZ |
1739 | /* Set the flag as user is removing this module. */ |
1740 | user_rmmod = 1; | |
1741 | ||
1742 | sdio_unregister_driver(&bt_mrvl_sdio); | |
789221ec BZ |
1743 | } |
1744 | ||
1745 | module_init(btmrvl_sdio_init_module); | |
1746 | module_exit(btmrvl_sdio_exit_module); | |
1747 | ||
1748 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 1749 | MODULE_DESCRIPTION("Marvell BT-over-SDIO driver ver " VERSION); |
789221ec BZ |
1750 | MODULE_VERSION(VERSION); |
1751 | MODULE_LICENSE("GPL v2"); | |
77189df4 LR |
1752 | MODULE_FIRMWARE("mrvl/sd8688_helper.bin"); |
1753 | MODULE_FIRMWARE("mrvl/sd8688.bin"); | |
9f72c1d9 | 1754 | MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin"); |
2ac654f7 | 1755 | MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin"); |
3907d558 | 1756 | MODULE_FIRMWARE("mrvl/sd8887_uapsta.bin"); |
22f2efed | 1757 | MODULE_FIRMWARE("mrvl/sd8897_uapsta.bin"); |
f0ef6748 | 1758 | MODULE_FIRMWARE("mrvl/sd8997_uapsta.bin"); |