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99c926ce | 1 | // SPDX-License-Identifier: GPL-2.0-only |
a86974f7 | 2 | /* |
789221ec BZ |
3 | * Marvell BT-over-SDIO driver: SDIO interface related functions. |
4 | * | |
5 | * Copyright (C) 2009, Marvell International Ltd. | |
789221ec BZ |
6 | **/ |
7 | ||
433a9389 | 8 | #include <linux/firmware.h> |
5a0e3ad6 | 9 | #include <linux/slab.h> |
17e41ea6 | 10 | #include <linux/suspend.h> |
789221ec BZ |
11 | |
12 | #include <linux/mmc/sdio_ids.h> | |
13 | #include <linux/mmc/sdio_func.h> | |
a59b968e | 14 | #include <linux/module.h> |
dc759613 | 15 | #include <linux/devcoredump.h> |
789221ec BZ |
16 | |
17 | #include <net/bluetooth/bluetooth.h> | |
18 | #include <net/bluetooth/hci_core.h> | |
19 | ||
20 | #include "btmrvl_drv.h" | |
21 | #include "btmrvl_sdio.h" | |
22 | ||
23 | #define VERSION "1.0" | |
24 | ||
dc759613 XH |
25 | static struct memory_type_mapping mem_type_mapping_tbl[] = { |
26 | {"ITCM", NULL, 0, 0xF0}, | |
27 | {"DTCM", NULL, 0, 0xF1}, | |
28 | {"SQRAM", NULL, 0, 0xF2}, | |
29 | {"APU", NULL, 0, 0xF3}, | |
30 | {"CIU", NULL, 0, 0xF4}, | |
31 | {"ICU", NULL, 0, 0xF5}, | |
32 | {"MAC", NULL, 0, 0xF6}, | |
33 | {"EXT7", NULL, 0, 0xF7}, | |
34 | {"EXT8", NULL, 0, 0xF8}, | |
35 | {"EXT9", NULL, 0, 0xF9}, | |
36 | {"EXT10", NULL, 0, 0xFA}, | |
37 | {"EXT11", NULL, 0, 0xFB}, | |
38 | {"EXT12", NULL, 0, 0xFC}, | |
39 | {"EXT13", NULL, 0, 0xFD}, | |
40 | {"EXTLAST", NULL, 0, 0xFE}, | |
41 | }; | |
42 | ||
bb7f4f0b XH |
43 | static const struct of_device_id btmrvl_sdio_of_match_table[] = { |
44 | { .compatible = "marvell,sd8897-bt" }, | |
45 | { .compatible = "marvell,sd8997-bt" }, | |
46 | { } | |
47 | }; | |
48 | ||
49 | static irqreturn_t btmrvl_wake_irq_bt(int irq, void *priv) | |
50 | { | |
17e41ea6 | 51 | struct btmrvl_sdio_card *card = priv; |
10004f81 | 52 | struct device *dev = &card->func->dev; |
17e41ea6 | 53 | struct btmrvl_plt_wake_cfg *cfg = card->plt_wake_cfg; |
bb7f4f0b | 54 | |
10004f81 | 55 | dev_info(dev, "wake by bt\n"); |
c8ba8044 XH |
56 | cfg->wake_by_bt = true; |
57 | disable_irq_nosync(irq); | |
bb7f4f0b | 58 | |
10004f81 | 59 | pm_wakeup_event(dev, 0); |
17e41ea6 JC |
60 | pm_system_wakeup(); |
61 | ||
bb7f4f0b XH |
62 | return IRQ_HANDLED; |
63 | } | |
64 | ||
65 | /* This function parses device tree node using mmc subnode devicetree API. | |
66 | * The device node is saved in card->plt_of_node. | |
67 | * If the device tree node exists and includes interrupts attributes, this | |
68 | * function will request platform specific wakeup interrupt. | |
69 | */ | |
70 | static int btmrvl_sdio_probe_of(struct device *dev, | |
71 | struct btmrvl_sdio_card *card) | |
72 | { | |
73 | struct btmrvl_plt_wake_cfg *cfg; | |
74 | int ret; | |
75 | ||
76 | if (!dev->of_node || | |
77 | !of_match_node(btmrvl_sdio_of_match_table, dev->of_node)) { | |
37c589ec | 78 | dev_info(dev, "sdio device tree data not available\n"); |
bb7f4f0b XH |
79 | return -1; |
80 | } | |
81 | ||
82 | card->plt_of_node = dev->of_node; | |
83 | ||
84 | card->plt_wake_cfg = devm_kzalloc(dev, sizeof(*card->plt_wake_cfg), | |
85 | GFP_KERNEL); | |
86 | cfg = card->plt_wake_cfg; | |
87 | if (cfg && card->plt_of_node) { | |
88 | cfg->irq_bt = irq_of_parse_and_map(card->plt_of_node, 0); | |
89 | if (!cfg->irq_bt) { | |
24a3a32a | 90 | dev_err(dev, "fail to parse irq_bt from device tree\n"); |
fd1a88da | 91 | cfg->irq_bt = -1; |
bb7f4f0b XH |
92 | } else { |
93 | ret = devm_request_irq(dev, cfg->irq_bt, | |
94 | btmrvl_wake_irq_bt, | |
17e41ea6 | 95 | 0, "bt_wake", card); |
bb7f4f0b XH |
96 | if (ret) { |
97 | dev_err(dev, | |
98 | "Failed to request irq_bt %d (%d)\n", | |
99 | cfg->irq_bt, ret); | |
100 | } | |
e660b351 APS |
101 | |
102 | /* Configure wakeup (enabled by default) */ | |
103 | device_init_wakeup(dev, true); | |
bb7f4f0b XH |
104 | disable_irq(cfg->irq_bt); |
105 | } | |
106 | } | |
107 | ||
108 | return 0; | |
109 | } | |
110 | ||
789221ec BZ |
111 | /* The btmrvl_sdio_remove() callback function is called |
112 | * when user removes this module from kernel space or ejects | |
113 | * the card from the slot. The driver handles these 2 cases | |
114 | * differently. | |
115 | * If the user is removing the module, a MODULE_SHUTDOWN_REQ | |
116 | * command is sent to firmware and interrupt will be disabled. | |
117 | * If the card is removed, there is no need to send command | |
118 | * or disable interrupt. | |
119 | * | |
120 | * The variable 'user_rmmod' is used to distinguish these two | |
121 | * scenarios. This flag is initialized as FALSE in case the card | |
122 | * is removed, and will be set to TRUE for module removal when | |
123 | * module_exit function is called. | |
124 | */ | |
125 | static u8 user_rmmod; | |
d1d10d78 | 126 | static u8 sdio_ireg; |
789221ec | 127 | |
9f72c1d9 KG |
128 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8688 = { |
129 | .cfg = 0x03, | |
130 | .host_int_mask = 0x04, | |
131 | .host_intstatus = 0x05, | |
132 | .card_status = 0x20, | |
133 | .sq_read_base_addr_a0 = 0x10, | |
134 | .sq_read_base_addr_a1 = 0x11, | |
135 | .card_fw_status0 = 0x40, | |
136 | .card_fw_status1 = 0x41, | |
137 | .card_rx_len = 0x42, | |
138 | .card_rx_unit = 0x43, | |
139 | .io_port_0 = 0x00, | |
140 | .io_port_1 = 0x01, | |
141 | .io_port_2 = 0x02, | |
0d367408 | 142 | .int_read_to_clear = false, |
9f72c1d9 | 143 | }; |
2ac654f7 | 144 | static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = { |
9f72c1d9 KG |
145 | .cfg = 0x00, |
146 | .host_int_mask = 0x02, | |
147 | .host_intstatus = 0x03, | |
148 | .card_status = 0x30, | |
149 | .sq_read_base_addr_a0 = 0x40, | |
150 | .sq_read_base_addr_a1 = 0x41, | |
151 | .card_revision = 0x5c, | |
152 | .card_fw_status0 = 0x60, | |
153 | .card_fw_status1 = 0x61, | |
154 | .card_rx_len = 0x62, | |
155 | .card_rx_unit = 0x63, | |
156 | .io_port_0 = 0x78, | |
157 | .io_port_1 = 0x79, | |
158 | .io_port_2 = 0x7a, | |
0d367408 | 159 | .int_read_to_clear = false, |
9f72c1d9 KG |
160 | }; |
161 | ||
3907d558 XH |
162 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8887 = { |
163 | .cfg = 0x00, | |
164 | .host_int_mask = 0x08, | |
165 | .host_intstatus = 0x0C, | |
166 | .card_status = 0x5C, | |
167 | .sq_read_base_addr_a0 = 0x6C, | |
168 | .sq_read_base_addr_a1 = 0x6D, | |
169 | .card_revision = 0xC8, | |
170 | .card_fw_status0 = 0x88, | |
171 | .card_fw_status1 = 0x89, | |
172 | .card_rx_len = 0x8A, | |
173 | .card_rx_unit = 0x8B, | |
174 | .io_port_0 = 0xE4, | |
175 | .io_port_1 = 0xE5, | |
176 | .io_port_2 = 0xE6, | |
177 | .int_read_to_clear = true, | |
178 | .host_int_rsr = 0x04, | |
179 | .card_misc_cfg = 0xD8, | |
180 | }; | |
181 | ||
1e3e492c | 182 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8897 = { |
22f2efed BZ |
183 | .cfg = 0x00, |
184 | .host_int_mask = 0x02, | |
185 | .host_intstatus = 0x03, | |
186 | .card_status = 0x50, | |
187 | .sq_read_base_addr_a0 = 0x60, | |
188 | .sq_read_base_addr_a1 = 0x61, | |
189 | .card_revision = 0xbc, | |
190 | .card_fw_status0 = 0xc0, | |
191 | .card_fw_status1 = 0xc1, | |
192 | .card_rx_len = 0xc2, | |
193 | .card_rx_unit = 0xc3, | |
194 | .io_port_0 = 0xd8, | |
195 | .io_port_1 = 0xd9, | |
196 | .io_port_2 = 0xda, | |
0d367408 BZ |
197 | .int_read_to_clear = true, |
198 | .host_int_rsr = 0x01, | |
199 | .card_misc_cfg = 0xcc, | |
dc759613 XH |
200 | .fw_dump_ctrl = 0xe2, |
201 | .fw_dump_start = 0xe3, | |
202 | .fw_dump_end = 0xea, | |
22f2efed BZ |
203 | }; |
204 | ||
7cfc21e9 | 205 | static const struct btmrvl_sdio_card_reg btmrvl_reg_89xx = { |
73623340 TS |
206 | .cfg = 0x00, |
207 | .host_int_mask = 0x08, | |
208 | .host_intstatus = 0x0c, | |
209 | .card_status = 0x5c, | |
210 | .sq_read_base_addr_a0 = 0xf8, | |
211 | .sq_read_base_addr_a1 = 0xf9, | |
212 | .card_revision = 0xc8, | |
213 | .card_fw_status0 = 0xe8, | |
214 | .card_fw_status1 = 0xe9, | |
215 | .card_rx_len = 0xea, | |
216 | .card_rx_unit = 0xeb, | |
217 | .io_port_0 = 0xe4, | |
218 | .io_port_1 = 0xe5, | |
219 | .io_port_2 = 0xe6, | |
220 | .int_read_to_clear = true, | |
221 | .host_int_rsr = 0x04, | |
222 | .card_misc_cfg = 0xd8, | |
223 | .fw_dump_ctrl = 0xf0, | |
224 | .fw_dump_start = 0xf1, | |
225 | .fw_dump_end = 0xf8, | |
226 | }; | |
227 | ||
c675786a | 228 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = { |
77189df4 LR |
229 | .helper = "mrvl/sd8688_helper.bin", |
230 | .firmware = "mrvl/sd8688.bin", | |
9f72c1d9 | 231 | .reg = &btmrvl_reg_8688, |
4df82b59 | 232 | .support_pscan_win_report = false, |
9f72c1d9 | 233 | .sd_blksz_fw_dl = 64, |
dc759613 | 234 | .supports_fw_dump = false, |
9f72c1d9 KG |
235 | }; |
236 | ||
237 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = { | |
238 | .helper = NULL, | |
239 | .firmware = "mrvl/sd8787_uapsta.bin", | |
2ac654f7 | 240 | .reg = &btmrvl_reg_87xx, |
4df82b59 | 241 | .support_pscan_win_report = false, |
2ac654f7 | 242 | .sd_blksz_fw_dl = 256, |
dc759613 | 243 | .supports_fw_dump = false, |
2ac654f7 BZ |
244 | }; |
245 | ||
246 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = { | |
247 | .helper = NULL, | |
248 | .firmware = "mrvl/sd8797_uapsta.bin", | |
249 | .reg = &btmrvl_reg_87xx, | |
4df82b59 | 250 | .support_pscan_win_report = false, |
9f72c1d9 | 251 | .sd_blksz_fw_dl = 256, |
dc759613 | 252 | .supports_fw_dump = false, |
789221ec BZ |
253 | }; |
254 | ||
3907d558 XH |
255 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8887 = { |
256 | .helper = NULL, | |
257 | .firmware = "mrvl/sd8887_uapsta.bin", | |
258 | .reg = &btmrvl_reg_8887, | |
259 | .support_pscan_win_report = true, | |
260 | .sd_blksz_fw_dl = 256, | |
dc759613 | 261 | .supports_fw_dump = false, |
3907d558 XH |
262 | }; |
263 | ||
22f2efed BZ |
264 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8897 = { |
265 | .helper = NULL, | |
266 | .firmware = "mrvl/sd8897_uapsta.bin", | |
1e3e492c | 267 | .reg = &btmrvl_reg_8897, |
4df82b59 | 268 | .support_pscan_win_report = true, |
22f2efed | 269 | .sd_blksz_fw_dl = 256, |
dc759613 | 270 | .supports_fw_dump = true, |
22f2efed BZ |
271 | }; |
272 | ||
8c57983b HS |
273 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8977 = { |
274 | .helper = NULL, | |
dbec3af5 | 275 | .firmware = "mrvl/sdsd8977_combo_v2.bin", |
7cfc21e9 | 276 | .reg = &btmrvl_reg_89xx, |
8c57983b HS |
277 | .support_pscan_win_report = true, |
278 | .sd_blksz_fw_dl = 256, | |
279 | .supports_fw_dump = true, | |
280 | }; | |
281 | ||
73623340 TS |
282 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8987 = { |
283 | .helper = NULL, | |
284 | .firmware = "mrvl/sd8987_uapsta.bin", | |
7cfc21e9 | 285 | .reg = &btmrvl_reg_89xx, |
73623340 TS |
286 | .support_pscan_win_report = true, |
287 | .sd_blksz_fw_dl = 256, | |
288 | .supports_fw_dump = true, | |
289 | }; | |
290 | ||
f0ef6748 AK |
291 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8997 = { |
292 | .helper = NULL, | |
00eb0cb3 | 293 | .firmware = "mrvl/sdsd8997_combo_v4.bin", |
7cfc21e9 | 294 | .reg = &btmrvl_reg_89xx, |
f0ef6748 AK |
295 | .support_pscan_win_report = true, |
296 | .sd_blksz_fw_dl = 256, | |
297 | .supports_fw_dump = true, | |
298 | }; | |
299 | ||
dcf47f3b MH |
300 | static const struct sdio_device_id btmrvl_sdio_ids[] = { |
301 | /* Marvell SD8688 Bluetooth device */ | |
649c7d76 | 302 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8688_BT), |
53d6cfa5 | 303 | .driver_data = (unsigned long)&btmrvl_sdio_sd8688 }, |
9f72c1d9 | 304 | /* Marvell SD8787 Bluetooth device */ |
649c7d76 | 305 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787_BT), |
53d6cfa5 | 306 | .driver_data = (unsigned long)&btmrvl_sdio_sd8787 }, |
37ed561e | 307 | /* Marvell SD8787 Bluetooth AMP device */ |
649c7d76 | 308 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787_BT_AMP), |
53d6cfa5 | 309 | .driver_data = (unsigned long)&btmrvl_sdio_sd8787 }, |
2ac654f7 | 310 | /* Marvell SD8797 Bluetooth device */ |
649c7d76 | 311 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_BT), |
53d6cfa5 | 312 | .driver_data = (unsigned long)&btmrvl_sdio_sd8797 }, |
3907d558 | 313 | /* Marvell SD8887 Bluetooth device */ |
649c7d76 | 314 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887_BT), |
3907d558 | 315 | .driver_data = (unsigned long)&btmrvl_sdio_sd8887 }, |
22f2efed | 316 | /* Marvell SD8897 Bluetooth device */ |
649c7d76 | 317 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8897_BT), |
53d6cfa5 | 318 | .driver_data = (unsigned long)&btmrvl_sdio_sd8897 }, |
8c57983b | 319 | /* Marvell SD8977 Bluetooth device */ |
649c7d76 | 320 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8977_BT), |
8c57983b | 321 | .driver_data = (unsigned long)&btmrvl_sdio_sd8977 }, |
73623340 | 322 | /* Marvell SD8987 Bluetooth device */ |
649c7d76 | 323 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8987_BT), |
73623340 | 324 | .driver_data = (unsigned long)&btmrvl_sdio_sd8987 }, |
f0ef6748 | 325 | /* Marvell SD8997 Bluetooth device */ |
649c7d76 | 326 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8997_BT), |
f0ef6748 | 327 | .driver_data = (unsigned long)&btmrvl_sdio_sd8997 }, |
789221ec | 328 | |
dcf47f3b | 329 | { } /* Terminating entry */ |
789221ec BZ |
330 | }; |
331 | ||
dcf47f3b MH |
332 | MODULE_DEVICE_TABLE(sdio, btmrvl_sdio_ids); |
333 | ||
789221ec BZ |
334 | static int btmrvl_sdio_get_rx_unit(struct btmrvl_sdio_card *card) |
335 | { | |
336 | u8 reg; | |
337 | int ret; | |
338 | ||
9f72c1d9 | 339 | reg = sdio_readb(card->func, card->reg->card_rx_unit, &ret); |
789221ec BZ |
340 | if (!ret) |
341 | card->rx_unit = reg; | |
342 | ||
789221ec BZ |
343 | return ret; |
344 | } | |
345 | ||
346 | static int btmrvl_sdio_read_fw_status(struct btmrvl_sdio_card *card, u16 *dat) | |
347 | { | |
789221ec | 348 | u8 fws0, fws1; |
9374253f | 349 | int ret; |
789221ec BZ |
350 | |
351 | *dat = 0; | |
352 | ||
9f72c1d9 | 353 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); |
278be27f KV |
354 | if (ret) |
355 | return -EIO; | |
789221ec | 356 | |
9f72c1d9 | 357 | fws1 = sdio_readb(card->func, card->reg->card_fw_status1, &ret); |
9374253f | 358 | if (ret) |
789221ec | 359 | return -EIO; |
789221ec BZ |
360 | |
361 | *dat = (((u16) fws1) << 8) | fws0; | |
362 | ||
789221ec BZ |
363 | return 0; |
364 | } | |
365 | ||
366 | static int btmrvl_sdio_read_rx_len(struct btmrvl_sdio_card *card, u16 *dat) | |
367 | { | |
789221ec | 368 | u8 reg; |
9374253f | 369 | int ret; |
789221ec | 370 | |
9f72c1d9 | 371 | reg = sdio_readb(card->func, card->reg->card_rx_len, &ret); |
789221ec BZ |
372 | if (!ret) |
373 | *dat = (u16) reg << card->rx_unit; | |
374 | ||
789221ec BZ |
375 | return ret; |
376 | } | |
377 | ||
378 | static int btmrvl_sdio_enable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 379 | u8 mask) |
789221ec BZ |
380 | { |
381 | int ret; | |
382 | ||
9f72c1d9 | 383 | sdio_writeb(card->func, mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
384 | if (ret) { |
385 | BT_ERR("Unable to enable the host interrupt!"); | |
386 | ret = -EIO; | |
387 | } | |
388 | ||
789221ec BZ |
389 | return ret; |
390 | } | |
391 | ||
392 | static int btmrvl_sdio_disable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 393 | u8 mask) |
789221ec | 394 | { |
789221ec | 395 | u8 host_int_mask; |
9374253f | 396 | int ret; |
789221ec | 397 | |
9f72c1d9 | 398 | host_int_mask = sdio_readb(card->func, card->reg->host_int_mask, &ret); |
9374253f MH |
399 | if (ret) |
400 | return -EIO; | |
789221ec BZ |
401 | |
402 | host_int_mask &= ~mask; | |
403 | ||
9f72c1d9 | 404 | sdio_writeb(card->func, host_int_mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
405 | if (ret < 0) { |
406 | BT_ERR("Unable to disable the host interrupt!"); | |
9374253f | 407 | return -EIO; |
789221ec BZ |
408 | } |
409 | ||
9374253f | 410 | return 0; |
789221ec BZ |
411 | } |
412 | ||
413 | static int btmrvl_sdio_poll_card_status(struct btmrvl_sdio_card *card, u8 bits) | |
414 | { | |
415 | unsigned int tries; | |
789221ec | 416 | u8 status; |
9374253f | 417 | int ret; |
789221ec BZ |
418 | |
419 | for (tries = 0; tries < MAX_POLL_TRIES * 1000; tries++) { | |
9f72c1d9 | 420 | status = sdio_readb(card->func, card->reg->card_status, &ret); |
789221ec BZ |
421 | if (ret) |
422 | goto failed; | |
423 | if ((status & bits) == bits) | |
9374253f | 424 | return ret; |
789221ec BZ |
425 | |
426 | udelay(1); | |
427 | } | |
428 | ||
429 | ret = -ETIMEDOUT; | |
430 | ||
431 | failed: | |
432 | BT_ERR("FAILED! ret=%d", ret); | |
433 | ||
789221ec BZ |
434 | return ret; |
435 | } | |
436 | ||
437 | static int btmrvl_sdio_verify_fw_download(struct btmrvl_sdio_card *card, | |
dcf47f3b | 438 | int pollnum) |
789221ec | 439 | { |
789221ec | 440 | u16 firmwarestat; |
69676b1c | 441 | int tries, ret; |
789221ec | 442 | |
789221ec BZ |
443 | /* Wait for firmware to become ready */ |
444 | for (tries = 0; tries < pollnum; tries++) { | |
c1c999e2 AF |
445 | sdio_claim_host(card->func); |
446 | ret = btmrvl_sdio_read_fw_status(card, &firmwarestat); | |
447 | sdio_release_host(card->func); | |
448 | if (ret < 0) | |
789221ec BZ |
449 | continue; |
450 | ||
69676b1c AF |
451 | if (firmwarestat == FIRMWARE_READY) |
452 | return 0; | |
453 | ||
9a01242d | 454 | msleep(100); |
789221ec BZ |
455 | } |
456 | ||
69676b1c | 457 | return -ETIMEDOUT; |
789221ec BZ |
458 | } |
459 | ||
460 | static int btmrvl_sdio_download_helper(struct btmrvl_sdio_card *card) | |
461 | { | |
462 | const struct firmware *fw_helper = NULL; | |
463 | const u8 *helper = NULL; | |
464 | int ret; | |
465 | void *tmphlprbuf = NULL; | |
466 | int tmphlprbufsz, hlprblknow, helperlen; | |
467 | u8 *helperbuf; | |
468 | u32 tx_len; | |
469 | ||
789221ec | 470 | ret = request_firmware(&fw_helper, card->helper, |
dcf47f3b | 471 | &card->func->dev); |
789221ec BZ |
472 | if ((ret < 0) || !fw_helper) { |
473 | BT_ERR("request_firmware(helper) failed, error code = %d", | |
dcf47f3b | 474 | ret); |
789221ec BZ |
475 | ret = -ENOENT; |
476 | goto done; | |
477 | } | |
478 | ||
479 | helper = fw_helper->data; | |
480 | helperlen = fw_helper->size; | |
481 | ||
482 | BT_DBG("Downloading helper image (%d bytes), block size %d bytes", | |
dcf47f3b | 483 | helperlen, SDIO_BLOCK_SIZE); |
789221ec BZ |
484 | |
485 | tmphlprbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
486 | ||
f8df39f1 | 487 | tmphlprbuf = kzalloc(tmphlprbufsz, GFP_KERNEL); |
789221ec BZ |
488 | if (!tmphlprbuf) { |
489 | BT_ERR("Unable to allocate buffer for helper." | |
490 | " Terminating download"); | |
491 | ret = -ENOMEM; | |
492 | goto done; | |
493 | } | |
494 | ||
789221ec BZ |
495 | helperbuf = (u8 *) ALIGN_ADDR(tmphlprbuf, BTSDIO_DMA_ALIGN); |
496 | ||
497 | /* Perform helper data transfer */ | |
498 | tx_len = (FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE) | |
499 | - SDIO_HEADER_LEN; | |
500 | hlprblknow = 0; | |
501 | ||
502 | do { | |
503 | ret = btmrvl_sdio_poll_card_status(card, | |
504 | CARD_IO_READY | DN_LD_CARD_RDY); | |
505 | if (ret < 0) { | |
506 | BT_ERR("Helper download poll status timeout @ %d", | |
507 | hlprblknow); | |
508 | goto done; | |
509 | } | |
510 | ||
511 | /* Check if there is more data? */ | |
512 | if (hlprblknow >= helperlen) | |
513 | break; | |
514 | ||
515 | if (helperlen - hlprblknow < tx_len) | |
516 | tx_len = helperlen - hlprblknow; | |
517 | ||
518 | /* Little-endian */ | |
519 | helperbuf[0] = ((tx_len & 0x000000ff) >> 0); | |
520 | helperbuf[1] = ((tx_len & 0x0000ff00) >> 8); | |
521 | helperbuf[2] = ((tx_len & 0x00ff0000) >> 16); | |
522 | helperbuf[3] = ((tx_len & 0xff000000) >> 24); | |
523 | ||
524 | memcpy(&helperbuf[SDIO_HEADER_LEN], &helper[hlprblknow], | |
525 | tx_len); | |
526 | ||
527 | /* Now send the data */ | |
dcf47f3b MH |
528 | ret = sdio_writesb(card->func, card->ioport, helperbuf, |
529 | FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE); | |
789221ec BZ |
530 | if (ret < 0) { |
531 | BT_ERR("IO error during helper download @ %d", | |
532 | hlprblknow); | |
533 | goto done; | |
534 | } | |
535 | ||
536 | hlprblknow += tx_len; | |
537 | } while (true); | |
538 | ||
539 | BT_DBG("Transferring helper image EOF block"); | |
540 | ||
541 | memset(helperbuf, 0x0, SDIO_BLOCK_SIZE); | |
542 | ||
543 | ret = sdio_writesb(card->func, card->ioport, helperbuf, | |
dcf47f3b | 544 | SDIO_BLOCK_SIZE); |
789221ec BZ |
545 | if (ret < 0) { |
546 | BT_ERR("IO error in writing helper image EOF block"); | |
547 | goto done; | |
548 | } | |
549 | ||
550 | ret = 0; | |
551 | ||
552 | done: | |
553 | kfree(tmphlprbuf); | |
59f34fb3 | 554 | release_firmware(fw_helper); |
789221ec BZ |
555 | return ret; |
556 | } | |
557 | ||
558 | static int btmrvl_sdio_download_fw_w_helper(struct btmrvl_sdio_card *card) | |
559 | { | |
560 | const struct firmware *fw_firmware = NULL; | |
561 | const u8 *firmware = NULL; | |
562 | int firmwarelen, tmpfwbufsz, ret; | |
563 | unsigned int tries, offset; | |
564 | u8 base0, base1; | |
565 | void *tmpfwbuf = NULL; | |
566 | u8 *fwbuf; | |
9f72c1d9 | 567 | u16 len, blksz_dl = card->sd_blksz_fw_dl; |
789221ec BZ |
568 | int txlen = 0, tx_blocks = 0, count = 0; |
569 | ||
789221ec | 570 | ret = request_firmware(&fw_firmware, card->firmware, |
dcf47f3b | 571 | &card->func->dev); |
789221ec BZ |
572 | if ((ret < 0) || !fw_firmware) { |
573 | BT_ERR("request_firmware(firmware) failed, error code = %d", | |
dcf47f3b | 574 | ret); |
789221ec BZ |
575 | ret = -ENOENT; |
576 | goto done; | |
577 | } | |
578 | ||
579 | firmware = fw_firmware->data; | |
580 | firmwarelen = fw_firmware->size; | |
581 | ||
582 | BT_DBG("Downloading FW image (%d bytes)", firmwarelen); | |
583 | ||
584 | tmpfwbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
f8df39f1 | 585 | tmpfwbuf = kzalloc(tmpfwbufsz, GFP_KERNEL); |
789221ec BZ |
586 | if (!tmpfwbuf) { |
587 | BT_ERR("Unable to allocate buffer for firmware." | |
588 | " Terminating download"); | |
589 | ret = -ENOMEM; | |
590 | goto done; | |
591 | } | |
592 | ||
789221ec BZ |
593 | /* Ensure aligned firmware buffer */ |
594 | fwbuf = (u8 *) ALIGN_ADDR(tmpfwbuf, BTSDIO_DMA_ALIGN); | |
595 | ||
596 | /* Perform firmware data transfer */ | |
597 | offset = 0; | |
598 | do { | |
599 | ret = btmrvl_sdio_poll_card_status(card, | |
dcf47f3b | 600 | CARD_IO_READY | DN_LD_CARD_RDY); |
789221ec BZ |
601 | if (ret < 0) { |
602 | BT_ERR("FW download with helper poll status" | |
dcf47f3b | 603 | " timeout @ %d", offset); |
789221ec BZ |
604 | goto done; |
605 | } | |
606 | ||
607 | /* Check if there is more data ? */ | |
608 | if (offset >= firmwarelen) | |
609 | break; | |
610 | ||
611 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
612 | base0 = sdio_readb(card->func, | |
9f72c1d9 | 613 | card->reg->sq_read_base_addr_a0, &ret); |
789221ec BZ |
614 | if (ret) { |
615 | BT_ERR("BASE0 register read failed:" | |
616 | " base0 = 0x%04X(%d)." | |
617 | " Terminating download", | |
618 | base0, base0); | |
619 | ret = -EIO; | |
620 | goto done; | |
621 | } | |
622 | base1 = sdio_readb(card->func, | |
9f72c1d9 | 623 | card->reg->sq_read_base_addr_a1, &ret); |
789221ec BZ |
624 | if (ret) { |
625 | BT_ERR("BASE1 register read failed:" | |
626 | " base1 = 0x%04X(%d)." | |
627 | " Terminating download", | |
628 | base1, base1); | |
629 | ret = -EIO; | |
630 | goto done; | |
631 | } | |
632 | ||
633 | len = (((u16) base1) << 8) | base0; | |
634 | if (len) | |
635 | break; | |
636 | ||
637 | udelay(10); | |
638 | } | |
639 | ||
640 | if (!len) | |
641 | break; | |
642 | else if (len > BTM_UPLD_SIZE) { | |
643 | BT_ERR("FW download failure @%d, invalid length %d", | |
dcf47f3b | 644 | offset, len); |
789221ec BZ |
645 | ret = -EINVAL; |
646 | goto done; | |
647 | } | |
648 | ||
649 | txlen = len; | |
650 | ||
651 | if (len & BIT(0)) { | |
652 | count++; | |
653 | if (count > MAX_WRITE_IOMEM_RETRY) { | |
654 | BT_ERR("FW download failure @%d, " | |
655 | "over max retry count", offset); | |
656 | ret = -EIO; | |
657 | goto done; | |
658 | } | |
659 | BT_ERR("FW CRC error indicated by the helper: " | |
660 | "len = 0x%04X, txlen = %d", len, txlen); | |
661 | len &= ~BIT(0); | |
662 | /* Set txlen to 0 so as to resend from same offset */ | |
663 | txlen = 0; | |
664 | } else { | |
665 | count = 0; | |
666 | ||
667 | /* Last block ? */ | |
668 | if (firmwarelen - offset < txlen) | |
669 | txlen = firmwarelen - offset; | |
670 | ||
ba34dd3d | 671 | tx_blocks = DIV_ROUND_UP(txlen, blksz_dl); |
789221ec BZ |
672 | |
673 | memcpy(fwbuf, &firmware[offset], txlen); | |
674 | } | |
675 | ||
676 | ret = sdio_writesb(card->func, card->ioport, fwbuf, | |
9f72c1d9 | 677 | tx_blocks * blksz_dl); |
789221ec BZ |
678 | |
679 | if (ret < 0) { | |
680 | BT_ERR("FW download, writesb(%d) failed @%d", | |
dcf47f3b | 681 | count, offset); |
9f72c1d9 KG |
682 | sdio_writeb(card->func, HOST_CMD53_FIN, |
683 | card->reg->cfg, &ret); | |
789221ec BZ |
684 | if (ret) |
685 | BT_ERR("writeb failed (CFG)"); | |
686 | } | |
687 | ||
688 | offset += txlen; | |
689 | } while (true); | |
690 | ||
1c6098eb | 691 | BT_INFO("FW download over, size %d bytes", offset); |
789221ec BZ |
692 | |
693 | ret = 0; | |
694 | ||
695 | done: | |
696 | kfree(tmpfwbuf); | |
59f34fb3 | 697 | release_firmware(fw_firmware); |
789221ec BZ |
698 | return ret; |
699 | } | |
700 | ||
701 | static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv) | |
702 | { | |
703 | u16 buf_len = 0; | |
42632805 | 704 | int ret, num_blocks, blksz; |
789221ec BZ |
705 | struct sk_buff *skb = NULL; |
706 | u32 type; | |
9376e4a5 | 707 | u8 *payload; |
789221ec BZ |
708 | struct hci_dev *hdev = priv->btmrvl_dev.hcidev; |
709 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
710 | ||
789221ec BZ |
711 | if (!card || !card->func) { |
712 | BT_ERR("card or function is NULL!"); | |
713 | ret = -EINVAL; | |
714 | goto exit; | |
715 | } | |
716 | ||
717 | /* Read the length of data to be transferred */ | |
718 | ret = btmrvl_sdio_read_rx_len(card, &buf_len); | |
719 | if (ret < 0) { | |
720 | BT_ERR("read rx_len failed"); | |
721 | ret = -EIO; | |
722 | goto exit; | |
723 | } | |
724 | ||
725 | blksz = SDIO_BLOCK_SIZE; | |
e678bad5 | 726 | num_blocks = DIV_ROUND_UP(buf_len, blksz); |
789221ec BZ |
727 | |
728 | if (buf_len <= SDIO_HEADER_LEN | |
42632805 | 729 | || (num_blocks * blksz) > ALLOC_BUF_SIZE) { |
789221ec BZ |
730 | BT_ERR("invalid packet length: %d", buf_len); |
731 | ret = -EINVAL; | |
732 | goto exit; | |
733 | } | |
734 | ||
735 | /* Allocate buffer */ | |
436018ee | 736 | skb = bt_skb_alloc(num_blocks * blksz + BTSDIO_DMA_ALIGN, GFP_KERNEL); |
1f438c61 | 737 | if (!skb) { |
789221ec | 738 | BT_ERR("No free skb"); |
6ea81c41 | 739 | ret = -ENOMEM; |
789221ec BZ |
740 | goto exit; |
741 | } | |
742 | ||
3318b236 BZ |
743 | if ((unsigned long) skb->data & (BTSDIO_DMA_ALIGN - 1)) { |
744 | skb_put(skb, (unsigned long) skb->data & | |
745 | (BTSDIO_DMA_ALIGN - 1)); | |
746 | skb_pull(skb, (unsigned long) skb->data & | |
747 | (BTSDIO_DMA_ALIGN - 1)); | |
789221ec BZ |
748 | } |
749 | ||
3318b236 | 750 | payload = skb->data; |
789221ec BZ |
751 | |
752 | ret = sdio_readsb(card->func, payload, card->ioport, | |
42632805 | 753 | num_blocks * blksz); |
789221ec BZ |
754 | if (ret < 0) { |
755 | BT_ERR("readsb failed: %d", ret); | |
756 | ret = -EIO; | |
757 | goto exit; | |
758 | } | |
759 | ||
760 | /* This is SDIO specific header length: byte[2][1][0], type: byte[3] | |
761 | * (HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor) | |
762 | */ | |
763 | ||
764 | buf_len = payload[0]; | |
9cb23dd4 AE |
765 | buf_len |= payload[1] << 8; |
766 | buf_len |= payload[2] << 16; | |
767 | ||
768 | if (buf_len > blksz * num_blocks) { | |
769 | BT_ERR("Skip incorrect packet: hdrlen %d buffer %d", | |
770 | buf_len, blksz * num_blocks); | |
771 | ret = -EIO; | |
772 | goto exit; | |
773 | } | |
774 | ||
789221ec BZ |
775 | type = payload[3]; |
776 | ||
777 | switch (type) { | |
778 | case HCI_ACLDATA_PKT: | |
779 | case HCI_SCODATA_PKT: | |
780 | case HCI_EVENT_PKT: | |
618e8bc2 | 781 | hci_skb_pkt_type(skb) = type; |
789221ec BZ |
782 | skb_put(skb, buf_len); |
783 | skb_pull(skb, SDIO_HEADER_LEN); | |
784 | ||
ea1e76a3 AE |
785 | if (type == HCI_EVENT_PKT) { |
786 | if (btmrvl_check_evtpkt(priv, skb)) | |
e1a26170 | 787 | hci_recv_frame(hdev, skb); |
2c2453f3 | 788 | } else { |
e1a26170 | 789 | hci_recv_frame(hdev, skb); |
2c2453f3 | 790 | } |
789221ec | 791 | |
789221ec BZ |
792 | hdev->stat.byte_rx += buf_len; |
793 | break; | |
794 | ||
795 | case MRVL_VENDOR_PKT: | |
618e8bc2 | 796 | hci_skb_pkt_type(skb) = HCI_VENDOR_PKT; |
789221ec BZ |
797 | skb_put(skb, buf_len); |
798 | skb_pull(skb, SDIO_HEADER_LEN); | |
799 | ||
800 | if (btmrvl_process_event(priv, skb)) | |
e1a26170 | 801 | hci_recv_frame(hdev, skb); |
789221ec BZ |
802 | |
803 | hdev->stat.byte_rx += buf_len; | |
804 | break; | |
805 | ||
806 | default: | |
af901ca1 | 807 | BT_ERR("Unknown packet type:%d", type); |
78c1b8e8 | 808 | BT_ERR("hex: %*ph", blksz * num_blocks, payload); |
789221ec BZ |
809 | |
810 | kfree_skb(skb); | |
811 | skb = NULL; | |
812 | break; | |
813 | } | |
814 | ||
815 | exit: | |
816 | if (ret) { | |
817 | hdev->stat.err_rx++; | |
7923296f | 818 | kfree_skb(skb); |
789221ec BZ |
819 | } |
820 | ||
789221ec BZ |
821 | return ret; |
822 | } | |
823 | ||
d1d10d78 | 824 | static int btmrvl_sdio_process_int_status(struct btmrvl_private *priv) |
789221ec | 825 | { |
d1d10d78 AK |
826 | ulong flags; |
827 | u8 ireg; | |
789221ec BZ |
828 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; |
829 | ||
d1d10d78 AK |
830 | spin_lock_irqsave(&priv->driver_lock, flags); |
831 | ireg = sdio_ireg; | |
832 | sdio_ireg = 0; | |
833 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
789221ec | 834 | |
d1d10d78 AK |
835 | sdio_claim_host(card->func); |
836 | if (ireg & DN_LD_HOST_INT_STATUS) { | |
789221ec BZ |
837 | if (priv->btmrvl_dev.tx_dnld_rdy) |
838 | BT_DBG("tx_done already received: " | |
d1d10d78 | 839 | " int_status=0x%x", ireg); |
789221ec BZ |
840 | else |
841 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
842 | } | |
843 | ||
d1d10d78 | 844 | if (ireg & UP_LD_HOST_INT_STATUS) |
789221ec BZ |
845 | btmrvl_sdio_card_to_host(priv); |
846 | ||
d1d10d78 | 847 | sdio_release_host(card->func); |
789221ec | 848 | |
d1d10d78 | 849 | return 0; |
789221ec BZ |
850 | } |
851 | ||
0d367408 BZ |
852 | static int btmrvl_sdio_read_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
853 | { | |
854 | struct btmrvl_adapter *adapter = card->priv->adapter; | |
855 | int ret; | |
856 | ||
857 | ret = sdio_readsb(card->func, adapter->hw_regs, 0, SDIO_BLOCK_SIZE); | |
858 | if (ret) { | |
859 | BT_ERR("sdio_readsb: read int hw_regs failed: %d", ret); | |
860 | return ret; | |
861 | } | |
862 | ||
863 | *ireg = adapter->hw_regs[card->reg->host_intstatus]; | |
864 | BT_DBG("hw_regs[%#x]=%#x", card->reg->host_intstatus, *ireg); | |
865 | ||
866 | return 0; | |
867 | } | |
868 | ||
8af4840a BZ |
869 | static int btmrvl_sdio_write_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
870 | { | |
871 | int ret; | |
872 | ||
873 | *ireg = sdio_readb(card->func, card->reg->host_intstatus, &ret); | |
874 | if (ret) { | |
875 | BT_ERR("sdio_readb: read int status failed: %d", ret); | |
876 | return ret; | |
877 | } | |
878 | ||
879 | if (*ireg) { | |
880 | /* | |
881 | * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS | |
882 | * Clear the interrupt status register and re-enable the | |
883 | * interrupt. | |
884 | */ | |
885 | BT_DBG("int_status = 0x%x", *ireg); | |
886 | ||
887 | sdio_writeb(card->func, ~(*ireg) & (DN_LD_HOST_INT_STATUS | | |
888 | UP_LD_HOST_INT_STATUS), | |
889 | card->reg->host_intstatus, &ret); | |
890 | if (ret) { | |
891 | BT_ERR("sdio_writeb: clear int status failed: %d", ret); | |
892 | return ret; | |
893 | } | |
894 | } | |
895 | ||
896 | return 0; | |
897 | } | |
898 | ||
789221ec BZ |
899 | static void btmrvl_sdio_interrupt(struct sdio_func *func) |
900 | { | |
901 | struct btmrvl_private *priv; | |
789221ec | 902 | struct btmrvl_sdio_card *card; |
d1d10d78 | 903 | ulong flags; |
789221ec | 904 | u8 ireg = 0; |
d1d10d78 | 905 | int ret; |
789221ec | 906 | |
789221ec | 907 | card = sdio_get_drvdata(func); |
d1d10d78 | 908 | if (!card || !card->priv) { |
7365d475 AK |
909 | BT_ERR("sbi_interrupt(%p) card or priv is NULL, card=%p", |
910 | func, card); | |
d1d10d78 AK |
911 | return; |
912 | } | |
789221ec | 913 | |
d1d10d78 | 914 | priv = card->priv; |
789221ec | 915 | |
7b4b8740 AK |
916 | if (priv->surprise_removed) |
917 | return; | |
918 | ||
0d367408 BZ |
919 | if (card->reg->int_read_to_clear) |
920 | ret = btmrvl_sdio_read_to_clear(card, &ireg); | |
921 | else | |
922 | ret = btmrvl_sdio_write_to_clear(card, &ireg); | |
923 | ||
8af4840a | 924 | if (ret) |
d1d10d78 | 925 | return; |
d1d10d78 AK |
926 | |
927 | spin_lock_irqsave(&priv->driver_lock, flags); | |
928 | sdio_ireg |= ireg; | |
929 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
930 | ||
931 | btmrvl_interrupt(priv); | |
789221ec BZ |
932 | } |
933 | ||
934 | static int btmrvl_sdio_register_dev(struct btmrvl_sdio_card *card) | |
935 | { | |
789221ec | 936 | struct sdio_func *func; |
dcf47f3b | 937 | u8 reg; |
a5c2f4c1 | 938 | int ret; |
789221ec | 939 | |
789221ec BZ |
940 | if (!card || !card->func) { |
941 | BT_ERR("Error: card or function is NULL!"); | |
942 | ret = -EINVAL; | |
943 | goto failed; | |
944 | } | |
945 | ||
946 | func = card->func; | |
947 | ||
789221ec BZ |
948 | sdio_claim_host(func); |
949 | ||
950 | ret = sdio_enable_func(func); | |
951 | if (ret) { | |
952 | BT_ERR("sdio_enable_func() failed: ret=%d", ret); | |
953 | ret = -EIO; | |
954 | goto release_host; | |
955 | } | |
956 | ||
957 | ret = sdio_claim_irq(func, btmrvl_sdio_interrupt); | |
958 | if (ret) { | |
959 | BT_ERR("sdio_claim_irq failed: ret=%d", ret); | |
960 | ret = -EIO; | |
961 | goto disable_func; | |
962 | } | |
963 | ||
964 | ret = sdio_set_block_size(card->func, SDIO_BLOCK_SIZE); | |
965 | if (ret) { | |
966 | BT_ERR("cannot set SDIO block size"); | |
967 | ret = -EIO; | |
968 | goto release_irq; | |
969 | } | |
970 | ||
9f72c1d9 | 971 | reg = sdio_readb(func, card->reg->io_port_0, &ret); |
789221ec BZ |
972 | if (ret < 0) { |
973 | ret = -EIO; | |
974 | goto release_irq; | |
975 | } | |
976 | ||
977 | card->ioport = reg; | |
978 | ||
9f72c1d9 | 979 | reg = sdio_readb(func, card->reg->io_port_1, &ret); |
789221ec BZ |
980 | if (ret < 0) { |
981 | ret = -EIO; | |
982 | goto release_irq; | |
983 | } | |
984 | ||
985 | card->ioport |= (reg << 8); | |
986 | ||
9f72c1d9 | 987 | reg = sdio_readb(func, card->reg->io_port_2, &ret); |
789221ec BZ |
988 | if (ret < 0) { |
989 | ret = -EIO; | |
990 | goto release_irq; | |
991 | } | |
992 | ||
993 | card->ioport |= (reg << 16); | |
994 | ||
995 | BT_DBG("SDIO FUNC%d IO port: 0x%x", func->num, card->ioport); | |
996 | ||
0d367408 BZ |
997 | if (card->reg->int_read_to_clear) { |
998 | reg = sdio_readb(func, card->reg->host_int_rsr, &ret); | |
999 | if (ret < 0) { | |
1000 | ret = -EIO; | |
1001 | goto release_irq; | |
1002 | } | |
1003 | sdio_writeb(func, reg | 0x3f, card->reg->host_int_rsr, &ret); | |
1004 | if (ret < 0) { | |
1005 | ret = -EIO; | |
1006 | goto release_irq; | |
1007 | } | |
1008 | ||
1009 | reg = sdio_readb(func, card->reg->card_misc_cfg, &ret); | |
1010 | if (ret < 0) { | |
1011 | ret = -EIO; | |
1012 | goto release_irq; | |
1013 | } | |
1014 | sdio_writeb(func, reg | 0x10, card->reg->card_misc_cfg, &ret); | |
1015 | if (ret < 0) { | |
1016 | ret = -EIO; | |
1017 | goto release_irq; | |
1018 | } | |
1019 | } | |
1020 | ||
789221ec BZ |
1021 | sdio_set_drvdata(func, card); |
1022 | ||
1023 | sdio_release_host(func); | |
1024 | ||
789221ec BZ |
1025 | return 0; |
1026 | ||
1027 | release_irq: | |
1028 | sdio_release_irq(func); | |
1029 | ||
1030 | disable_func: | |
1031 | sdio_disable_func(func); | |
1032 | ||
1033 | release_host: | |
1034 | sdio_release_host(func); | |
1035 | ||
1036 | failed: | |
789221ec BZ |
1037 | return ret; |
1038 | } | |
1039 | ||
1040 | static int btmrvl_sdio_unregister_dev(struct btmrvl_sdio_card *card) | |
1041 | { | |
789221ec BZ |
1042 | if (card && card->func) { |
1043 | sdio_claim_host(card->func); | |
1044 | sdio_release_irq(card->func); | |
1045 | sdio_disable_func(card->func); | |
1046 | sdio_release_host(card->func); | |
1047 | sdio_set_drvdata(card->func, NULL); | |
1048 | } | |
1049 | ||
789221ec BZ |
1050 | return 0; |
1051 | } | |
1052 | ||
1053 | static int btmrvl_sdio_enable_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_enable_host_int_mask(card, HIM_ENABLE); | |
1063 | ||
1064 | btmrvl_sdio_get_rx_unit(card); | |
1065 | ||
1066 | sdio_release_host(card->func); | |
1067 | ||
789221ec BZ |
1068 | return ret; |
1069 | } | |
1070 | ||
1071 | static int btmrvl_sdio_disable_host_int(struct btmrvl_sdio_card *card) | |
1072 | { | |
1073 | int ret; | |
1074 | ||
9374253f | 1075 | if (!card || !card->func) |
789221ec | 1076 | return -EINVAL; |
789221ec BZ |
1077 | |
1078 | sdio_claim_host(card->func); | |
1079 | ||
1080 | ret = btmrvl_sdio_disable_host_int_mask(card, HIM_DISABLE); | |
1081 | ||
1082 | sdio_release_host(card->func); | |
1083 | ||
789221ec BZ |
1084 | return ret; |
1085 | } | |
1086 | ||
1087 | static int btmrvl_sdio_host_to_card(struct btmrvl_private *priv, | |
1088 | u8 *payload, u16 nb) | |
1089 | { | |
1090 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1091 | int ret = 0; | |
789221ec BZ |
1092 | int blksz; |
1093 | int i = 0; | |
1094 | u8 *buf = NULL; | |
1095 | void *tmpbuf = NULL; | |
1096 | int tmpbufsz; | |
1097 | ||
789221ec BZ |
1098 | if (!card || !card->func) { |
1099 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1100 | return -EINVAL; |
1101 | } | |
1102 | ||
d2f30240 RL |
1103 | blksz = DIV_ROUND_UP(nb, SDIO_BLOCK_SIZE) * SDIO_BLOCK_SIZE; |
1104 | ||
789221ec | 1105 | buf = payload; |
d2f30240 RL |
1106 | if ((unsigned long) payload & (BTSDIO_DMA_ALIGN - 1) || |
1107 | nb < blksz) { | |
1108 | tmpbufsz = ALIGN_SZ(blksz, BTSDIO_DMA_ALIGN) + | |
1109 | BTSDIO_DMA_ALIGN; | |
5959809d JL |
1110 | tmpbuf = kzalloc(tmpbufsz, GFP_KERNEL); |
1111 | if (!tmpbuf) | |
1112 | return -ENOMEM; | |
789221ec BZ |
1113 | buf = (u8 *) ALIGN_ADDR(tmpbuf, BTSDIO_DMA_ALIGN); |
1114 | memcpy(buf, payload, nb); | |
1115 | } | |
1116 | ||
789221ec BZ |
1117 | sdio_claim_host(card->func); |
1118 | ||
1119 | do { | |
1120 | /* Transfer data to card */ | |
1121 | ret = sdio_writesb(card->func, card->ioport, buf, | |
d2f30240 | 1122 | blksz); |
789221ec BZ |
1123 | if (ret < 0) { |
1124 | i++; | |
1125 | BT_ERR("i=%d writesb failed: %d", i, ret); | |
78c1b8e8 | 1126 | BT_ERR("hex: %*ph", nb, payload); |
789221ec BZ |
1127 | ret = -EIO; |
1128 | if (i > MAX_WRITE_IOMEM_RETRY) | |
1129 | goto exit; | |
1130 | } | |
1131 | } while (ret); | |
1132 | ||
1133 | priv->btmrvl_dev.tx_dnld_rdy = false; | |
1134 | ||
1135 | exit: | |
1136 | sdio_release_host(card->func); | |
88d1a0cf | 1137 | kfree(tmpbuf); |
789221ec | 1138 | |
789221ec BZ |
1139 | return ret; |
1140 | } | |
1141 | ||
1142 | static int btmrvl_sdio_download_fw(struct btmrvl_sdio_card *card) | |
1143 | { | |
faff7f74 | 1144 | int ret; |
9f72c1d9 KG |
1145 | u8 fws0; |
1146 | int pollnum = MAX_POLL_TRIES; | |
789221ec | 1147 | |
789221ec BZ |
1148 | if (!card || !card->func) { |
1149 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1150 | return -EINVAL; |
1151 | } | |
789221ec BZ |
1152 | |
1153 | if (!btmrvl_sdio_verify_fw_download(card, 1)) { | |
1154 | BT_DBG("Firmware already downloaded!"); | |
c1c999e2 | 1155 | return 0; |
789221ec BZ |
1156 | } |
1157 | ||
c1c999e2 AF |
1158 | sdio_claim_host(card->func); |
1159 | ||
9f72c1d9 KG |
1160 | /* Check if other function driver is downloading the firmware */ |
1161 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); | |
789221ec | 1162 | if (ret) { |
9f72c1d9 | 1163 | BT_ERR("Failed to read FW downloading status!"); |
789221ec BZ |
1164 | ret = -EIO; |
1165 | goto done; | |
1166 | } | |
9f72c1d9 KG |
1167 | if (fws0) { |
1168 | BT_DBG("BT not the winner (%#x). Skip FW downloading", fws0); | |
1169 | ||
1170 | /* Give other function more time to download the firmware */ | |
1171 | pollnum *= 10; | |
1172 | } else { | |
1173 | if (card->helper) { | |
1174 | ret = btmrvl_sdio_download_helper(card); | |
1175 | if (ret) { | |
1176 | BT_ERR("Failed to download helper!"); | |
1177 | ret = -EIO; | |
1178 | goto done; | |
1179 | } | |
1180 | } | |
789221ec | 1181 | |
9f72c1d9 KG |
1182 | if (btmrvl_sdio_download_fw_w_helper(card)) { |
1183 | BT_ERR("Failed to download firmware!"); | |
1184 | ret = -EIO; | |
1185 | goto done; | |
1186 | } | |
789221ec BZ |
1187 | } |
1188 | ||
69676b1c AF |
1189 | /* |
1190 | * winner or not, with this test the FW synchronizes when the | |
1191 | * module can continue its initialization | |
1192 | */ | |
9f72c1d9 | 1193 | if (btmrvl_sdio_verify_fw_download(card, pollnum)) { |
789221ec | 1194 | BT_ERR("FW failed to be active in time!"); |
86f7ac77 CRL |
1195 | ret = -ETIMEDOUT; |
1196 | goto done; | |
789221ec BZ |
1197 | } |
1198 | ||
4863e4cc AN |
1199 | sdio_release_host(card->func); |
1200 | ||
c1c999e2 AF |
1201 | return 0; |
1202 | ||
789221ec BZ |
1203 | done: |
1204 | sdio_release_host(card->func); | |
789221ec BZ |
1205 | return ret; |
1206 | } | |
1207 | ||
1208 | static int btmrvl_sdio_wakeup_fw(struct btmrvl_private *priv) | |
1209 | { | |
1210 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1211 | int ret = 0; | |
1212 | ||
789221ec BZ |
1213 | if (!card || !card->func) { |
1214 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1215 | return -EINVAL; |
1216 | } | |
1217 | ||
1218 | sdio_claim_host(card->func); | |
1219 | ||
9f72c1d9 | 1220 | sdio_writeb(card->func, HOST_POWER_UP, card->reg->cfg, &ret); |
789221ec BZ |
1221 | |
1222 | sdio_release_host(card->func); | |
1223 | ||
1224 | BT_DBG("wake up firmware"); | |
1225 | ||
789221ec BZ |
1226 | return ret; |
1227 | } | |
1228 | ||
dc759613 XH |
1229 | static void btmrvl_sdio_dump_regs(struct btmrvl_private *priv) |
1230 | { | |
1231 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1232 | int ret = 0; | |
1233 | unsigned int reg, reg_start, reg_end; | |
1234 | char buf[256], *ptr; | |
1235 | u8 loop, func, data; | |
1236 | int MAX_LOOP = 2; | |
1237 | ||
1238 | btmrvl_sdio_wakeup_fw(priv); | |
1239 | sdio_claim_host(card->func); | |
1240 | ||
1241 | for (loop = 0; loop < MAX_LOOP; loop++) { | |
1242 | memset(buf, 0, sizeof(buf)); | |
1243 | ptr = buf; | |
1244 | ||
1245 | if (loop == 0) { | |
1246 | /* Read the registers of SDIO function0 */ | |
1247 | func = loop; | |
1248 | reg_start = 0; | |
1249 | reg_end = 9; | |
1250 | } else { | |
1251 | func = 2; | |
1252 | reg_start = 0; | |
1253 | reg_end = 0x09; | |
1254 | } | |
1255 | ||
1256 | ptr += sprintf(ptr, "SDIO Func%d (%#x-%#x): ", | |
1257 | func, reg_start, reg_end); | |
1258 | for (reg = reg_start; reg <= reg_end; reg++) { | |
1259 | if (func == 0) | |
1260 | data = sdio_f0_readb(card->func, reg, &ret); | |
1261 | else | |
1262 | data = sdio_readb(card->func, reg, &ret); | |
1263 | ||
1264 | if (!ret) { | |
1265 | ptr += sprintf(ptr, "%02x ", data); | |
1266 | } else { | |
1267 | ptr += sprintf(ptr, "ERR"); | |
1268 | break; | |
1269 | } | |
1270 | } | |
1271 | ||
1272 | BT_INFO("%s", buf); | |
1273 | } | |
1274 | ||
1275 | sdio_release_host(card->func); | |
1276 | } | |
1277 | ||
1278 | /* This function read/write firmware */ | |
1279 | static enum | |
1280 | rdwr_status btmrvl_sdio_rdwr_firmware(struct btmrvl_private *priv, | |
1281 | u8 doneflag) | |
1282 | { | |
1283 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1284 | int ret, tries; | |
1285 | u8 ctrl_data = 0; | |
1286 | ||
1287 | sdio_writeb(card->func, FW_DUMP_HOST_READY, card->reg->fw_dump_ctrl, | |
1288 | &ret); | |
1289 | ||
1290 | if (ret) { | |
1291 | BT_ERR("SDIO write err"); | |
1292 | return RDWR_STATUS_FAILURE; | |
1293 | } | |
1294 | ||
1295 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
1296 | ctrl_data = sdio_readb(card->func, card->reg->fw_dump_ctrl, | |
1297 | &ret); | |
1298 | ||
1299 | if (ret) { | |
1300 | BT_ERR("SDIO read err"); | |
1301 | return RDWR_STATUS_FAILURE; | |
1302 | } | |
1303 | ||
1304 | if (ctrl_data == FW_DUMP_DONE) | |
1305 | break; | |
1306 | if (doneflag && ctrl_data == doneflag) | |
1307 | return RDWR_STATUS_DONE; | |
1308 | if (ctrl_data != FW_DUMP_HOST_READY) { | |
1309 | BT_INFO("The ctrl reg was changed, re-try again!"); | |
1310 | sdio_writeb(card->func, FW_DUMP_HOST_READY, | |
1311 | card->reg->fw_dump_ctrl, &ret); | |
1312 | if (ret) { | |
1313 | BT_ERR("SDIO write err"); | |
1314 | return RDWR_STATUS_FAILURE; | |
1315 | } | |
1316 | } | |
1317 | usleep_range(100, 200); | |
1318 | } | |
1319 | ||
1320 | if (ctrl_data == FW_DUMP_HOST_READY) { | |
1321 | BT_ERR("Fail to pull ctrl_data"); | |
1322 | return RDWR_STATUS_FAILURE; | |
1323 | } | |
1324 | ||
1325 | return RDWR_STATUS_SUCCESS; | |
1326 | } | |
1327 | ||
1328 | /* This function dump sdio register and memory data */ | |
45650499 | 1329 | static void btmrvl_sdio_coredump(struct device *dev) |
dc759613 | 1330 | { |
45650499 AS |
1331 | struct sdio_func *func = dev_to_sdio_func(dev); |
1332 | struct btmrvl_sdio_card *card; | |
1333 | struct btmrvl_private *priv; | |
dc759613 XH |
1334 | int ret = 0; |
1335 | unsigned int reg, reg_start, reg_end; | |
1336 | enum rdwr_status stat; | |
1337 | u8 *dbg_ptr, *end_ptr, *fw_dump_data, *fw_dump_ptr; | |
a1e85f04 | 1338 | u8 dump_num = 0, idx, i, read_reg, doneflag = 0; |
dc759613 | 1339 | u32 memory_size, fw_dump_len = 0; |
785077fa | 1340 | int size = 0; |
dc759613 | 1341 | |
45650499 AS |
1342 | card = sdio_get_drvdata(func); |
1343 | priv = card->priv; | |
1344 | ||
dc759613 XH |
1345 | /* dump sdio register first */ |
1346 | btmrvl_sdio_dump_regs(priv); | |
1347 | ||
1348 | if (!card->supports_fw_dump) { | |
1349 | BT_ERR("Firmware dump not supported for this card!"); | |
1350 | return; | |
1351 | } | |
1352 | ||
1353 | for (idx = 0; idx < ARRAY_SIZE(mem_type_mapping_tbl); idx++) { | |
1354 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1355 | ||
1356 | if (entry->mem_ptr) { | |
1357 | vfree(entry->mem_ptr); | |
1358 | entry->mem_ptr = NULL; | |
1359 | } | |
1360 | entry->mem_size = 0; | |
1361 | } | |
1362 | ||
1363 | btmrvl_sdio_wakeup_fw(priv); | |
1364 | sdio_claim_host(card->func); | |
1365 | ||
1366 | BT_INFO("== btmrvl firmware dump start =="); | |
1367 | ||
1368 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1369 | if (stat == RDWR_STATUS_FAILURE) | |
1370 | goto done; | |
1371 | ||
1372 | reg = card->reg->fw_dump_start; | |
1373 | /* Read the number of the memories which will dump */ | |
1374 | dump_num = sdio_readb(card->func, reg, &ret); | |
1375 | ||
1376 | if (ret) { | |
1377 | BT_ERR("SDIO read memory length err"); | |
1378 | goto done; | |
1379 | } | |
1380 | ||
1381 | /* Read the length of every memory which will dump */ | |
1382 | for (idx = 0; idx < dump_num; idx++) { | |
1383 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1384 | ||
1385 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1386 | if (stat == RDWR_STATUS_FAILURE) | |
1387 | goto done; | |
1388 | ||
1389 | memory_size = 0; | |
1390 | reg = card->reg->fw_dump_start; | |
1391 | for (i = 0; i < 4; i++) { | |
1392 | read_reg = sdio_readb(card->func, reg, &ret); | |
1393 | if (ret) { | |
1394 | BT_ERR("SDIO read err"); | |
1395 | goto done; | |
1396 | } | |
1397 | memory_size |= (read_reg << i*8); | |
1398 | reg++; | |
1399 | } | |
1400 | ||
1401 | if (memory_size == 0) { | |
1402 | BT_INFO("Firmware dump finished!"); | |
475b9eac NK |
1403 | sdio_writeb(card->func, FW_DUMP_READ_DONE, |
1404 | card->reg->fw_dump_ctrl, &ret); | |
1405 | if (ret) { | |
1406 | BT_ERR("SDIO Write MEMDUMP_FINISH ERR"); | |
1407 | goto done; | |
1408 | } | |
dc759613 XH |
1409 | break; |
1410 | } | |
1411 | ||
1412 | BT_INFO("%s_SIZE=0x%x", entry->mem_name, memory_size); | |
1413 | entry->mem_ptr = vzalloc(memory_size + 1); | |
1414 | entry->mem_size = memory_size; | |
1415 | if (!entry->mem_ptr) { | |
1416 | BT_ERR("Vzalloc %s failed", entry->mem_name); | |
1417 | goto done; | |
1418 | } | |
1419 | ||
1420 | fw_dump_len += (strlen("========Start dump ") + | |
1421 | strlen(entry->mem_name) + | |
1422 | strlen("========\n") + | |
1423 | (memory_size + 1) + | |
1424 | strlen("\n========End dump========\n")); | |
1425 | ||
1426 | dbg_ptr = entry->mem_ptr; | |
1427 | end_ptr = dbg_ptr + memory_size; | |
1428 | ||
1429 | doneflag = entry->done_flag; | |
1430 | BT_INFO("Start %s output, please wait...", | |
1431 | entry->mem_name); | |
1432 | ||
1433 | do { | |
1434 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1435 | if (stat == RDWR_STATUS_FAILURE) | |
1436 | goto done; | |
1437 | ||
1438 | reg_start = card->reg->fw_dump_start; | |
1439 | reg_end = card->reg->fw_dump_end; | |
1440 | for (reg = reg_start; reg <= reg_end; reg++) { | |
1441 | *dbg_ptr = sdio_readb(card->func, reg, &ret); | |
1442 | if (ret) { | |
1443 | BT_ERR("SDIO read err"); | |
1444 | goto done; | |
1445 | } | |
1446 | if (dbg_ptr < end_ptr) | |
1447 | dbg_ptr++; | |
1448 | else | |
1449 | BT_ERR("Allocated buffer not enough"); | |
1450 | } | |
1451 | ||
dd912f43 | 1452 | if (stat == RDWR_STATUS_DONE) { |
dc759613 XH |
1453 | BT_INFO("%s done: size=0x%tx", |
1454 | entry->mem_name, | |
1455 | dbg_ptr - entry->mem_ptr); | |
1456 | break; | |
1457 | } | |
1458 | } while (1); | |
1459 | } | |
1460 | ||
1461 | BT_INFO("== btmrvl firmware dump end =="); | |
1462 | ||
1463 | done: | |
1464 | sdio_release_host(card->func); | |
1465 | ||
1466 | if (fw_dump_len == 0) | |
1467 | return; | |
1468 | ||
785077fa | 1469 | fw_dump_data = vzalloc(fw_dump_len + 1); |
dc759613 XH |
1470 | if (!fw_dump_data) { |
1471 | BT_ERR("Vzalloc fw_dump_data fail!"); | |
1472 | return; | |
1473 | } | |
1474 | fw_dump_ptr = fw_dump_data; | |
1475 | ||
1476 | /* Dump all the memory data into single file, a userspace script will | |
d98422cb DR |
1477 | * be used to split all the memory data to multiple files |
1478 | */ | |
dc759613 XH |
1479 | BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump start"); |
1480 | for (idx = 0; idx < dump_num; idx++) { | |
1481 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1482 | ||
1483 | if (entry->mem_ptr) { | |
785077fa LB |
1484 | size += scnprintf(fw_dump_ptr + size, |
1485 | fw_dump_len + 1 - size, | |
1486 | "========Start dump %s========\n", | |
1487 | entry->mem_name); | |
1488 | ||
1489 | memcpy(fw_dump_ptr + size, entry->mem_ptr, | |
1490 | entry->mem_size); | |
1491 | size += entry->mem_size; | |
1492 | ||
1493 | size += scnprintf(fw_dump_ptr + size, | |
1494 | fw_dump_len + 1 - size, | |
1495 | "\n========End dump========\n"); | |
dc759613 XH |
1496 | |
1497 | vfree(mem_type_mapping_tbl[idx].mem_ptr); | |
1498 | mem_type_mapping_tbl[idx].mem_ptr = NULL; | |
1499 | } | |
1500 | } | |
1501 | ||
1502 | /* fw_dump_data will be free in device coredump release function | |
d98422cb DR |
1503 | * after 5 min |
1504 | */ | |
d4902632 | 1505 | dev_coredumpv(&card->func->dev, fw_dump_data, fw_dump_len, GFP_KERNEL); |
dc759613 XH |
1506 | BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump end"); |
1507 | } | |
1508 | ||
789221ec | 1509 | static int btmrvl_sdio_probe(struct sdio_func *func, |
dcf47f3b | 1510 | const struct sdio_device_id *id) |
789221ec BZ |
1511 | { |
1512 | int ret = 0; | |
1513 | struct btmrvl_private *priv = NULL; | |
1514 | struct btmrvl_sdio_card *card = NULL; | |
1515 | ||
789221ec BZ |
1516 | BT_INFO("vendor=0x%x, device=0x%x, class=%d, fn=%d", |
1517 | id->vendor, id->device, id->class, func->num); | |
1518 | ||
eb17ea3b SK |
1519 | card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL); |
1520 | if (!card) | |
1521 | return -ENOMEM; | |
789221ec BZ |
1522 | |
1523 | card->func = func; | |
1524 | ||
dcf47f3b MH |
1525 | if (id->driver_data) { |
1526 | struct btmrvl_sdio_device *data = (void *) id->driver_data; | |
9f72c1d9 | 1527 | card->helper = data->helper; |
dcf47f3b | 1528 | card->firmware = data->firmware; |
9f72c1d9 KG |
1529 | card->reg = data->reg; |
1530 | card->sd_blksz_fw_dl = data->sd_blksz_fw_dl; | |
4df82b59 | 1531 | card->support_pscan_win_report = data->support_pscan_win_report; |
dc759613 | 1532 | card->supports_fw_dump = data->supports_fw_dump; |
dcf47f3b MH |
1533 | } |
1534 | ||
789221ec BZ |
1535 | if (btmrvl_sdio_register_dev(card) < 0) { |
1536 | BT_ERR("Failed to register BT device!"); | |
eb17ea3b | 1537 | return -ENODEV; |
789221ec BZ |
1538 | } |
1539 | ||
1540 | /* Disable the interrupts on the card */ | |
1541 | btmrvl_sdio_disable_host_int(card); | |
1542 | ||
1543 | if (btmrvl_sdio_download_fw(card)) { | |
1544 | BT_ERR("Downloading firmware failed!"); | |
1545 | ret = -ENODEV; | |
1546 | goto unreg_dev; | |
1547 | } | |
1548 | ||
789221ec BZ |
1549 | btmrvl_sdio_enable_host_int(card); |
1550 | ||
bb7f4f0b XH |
1551 | /* Device tree node parsing and platform specific configuration*/ |
1552 | btmrvl_sdio_probe_of(&func->dev, card); | |
1553 | ||
789221ec BZ |
1554 | priv = btmrvl_add_card(card); |
1555 | if (!priv) { | |
1556 | BT_ERR("Initializing card failed!"); | |
1557 | ret = -ENODEV; | |
1558 | goto disable_host_int; | |
1559 | } | |
1560 | ||
1561 | card->priv = priv; | |
1562 | ||
1563 | /* Initialize the interface specific function pointers */ | |
1564 | priv->hw_host_to_card = btmrvl_sdio_host_to_card; | |
1565 | priv->hw_wakeup_firmware = btmrvl_sdio_wakeup_fw; | |
d1d10d78 | 1566 | priv->hw_process_int_status = btmrvl_sdio_process_int_status; |
789221ec | 1567 | |
64061607 BZ |
1568 | if (btmrvl_register_hdev(priv)) { |
1569 | BT_ERR("Register hdev failed!"); | |
1570 | ret = -ENODEV; | |
1571 | goto disable_host_int; | |
1572 | } | |
1573 | ||
789221ec BZ |
1574 | return 0; |
1575 | ||
1576 | disable_host_int: | |
1577 | btmrvl_sdio_disable_host_int(card); | |
1578 | unreg_dev: | |
1579 | btmrvl_sdio_unregister_dev(card); | |
789221ec BZ |
1580 | return ret; |
1581 | } | |
1582 | ||
1583 | static void btmrvl_sdio_remove(struct sdio_func *func) | |
1584 | { | |
1585 | struct btmrvl_sdio_card *card; | |
1586 | ||
789221ec BZ |
1587 | if (func) { |
1588 | card = sdio_get_drvdata(func); | |
1589 | if (card) { | |
1590 | /* Send SHUTDOWN command & disable interrupt | |
1591 | * if user removes the module. | |
1592 | */ | |
1593 | if (user_rmmod) { | |
1594 | btmrvl_send_module_cfg_cmd(card->priv, | |
1595 | MODULE_SHUTDOWN_REQ); | |
1596 | btmrvl_sdio_disable_host_int(card); | |
1597 | } | |
e660b351 | 1598 | |
92322599 | 1599 | BT_DBG("unregister dev"); |
7b4b8740 | 1600 | card->priv->surprise_removed = true; |
789221ec BZ |
1601 | btmrvl_sdio_unregister_dev(card); |
1602 | btmrvl_remove_card(card->priv); | |
789221ec BZ |
1603 | } |
1604 | } | |
789221ec BZ |
1605 | } |
1606 | ||
ba54a16f AK |
1607 | static int btmrvl_sdio_suspend(struct device *dev) |
1608 | { | |
1609 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1610 | struct btmrvl_sdio_card *card; | |
1611 | struct btmrvl_private *priv; | |
1612 | mmc_pm_flag_t pm_flags; | |
1613 | struct hci_dev *hcidev; | |
1614 | ||
1615 | if (func) { | |
1616 | pm_flags = sdio_get_host_pm_caps(func); | |
1617 | BT_DBG("%s: suspend: PM flags = 0x%x", sdio_func_id(func), | |
1618 | pm_flags); | |
1619 | if (!(pm_flags & MMC_PM_KEEP_POWER)) { | |
1620 | BT_ERR("%s: cannot remain alive while suspended", | |
1621 | sdio_func_id(func)); | |
1622 | return -ENOSYS; | |
1623 | } | |
1624 | card = sdio_get_drvdata(func); | |
1625 | if (!card || !card->priv) { | |
1626 | BT_ERR("card or priv structure is not valid"); | |
1627 | return 0; | |
1628 | } | |
1629 | } else { | |
1630 | BT_ERR("sdio_func is not specified"); | |
1631 | return 0; | |
1632 | } | |
1633 | ||
bb7f4f0b | 1634 | /* Enable platform specific wakeup interrupt */ |
e660b351 APS |
1635 | if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0 && |
1636 | device_may_wakeup(dev)) { | |
bb7f4f0b XH |
1637 | card->plt_wake_cfg->wake_by_bt = false; |
1638 | enable_irq(card->plt_wake_cfg->irq_bt); | |
1639 | enable_irq_wake(card->plt_wake_cfg->irq_bt); | |
1640 | } | |
1641 | ||
ba54a16f | 1642 | priv = card->priv; |
8cf60cf2 | 1643 | priv->adapter->is_suspending = true; |
5bf8a748 CRL |
1644 | hcidev = priv->btmrvl_dev.hcidev; |
1645 | BT_DBG("%s: SDIO suspend", hcidev->name); | |
1646 | hci_suspend_dev(hcidev); | |
ba54a16f AK |
1647 | |
1648 | if (priv->adapter->hs_state != HS_ACTIVATED) { | |
1649 | if (btmrvl_enable_hs(priv)) { | |
8f91566f | 1650 | BT_ERR("HS not activated, suspend failed!"); |
6eb7bd66 XH |
1651 | /* Disable platform specific wakeup interrupt */ |
1652 | if (card->plt_wake_cfg && | |
e660b351 APS |
1653 | card->plt_wake_cfg->irq_bt >= 0 && |
1654 | device_may_wakeup(dev)) { | |
6eb7bd66 XH |
1655 | disable_irq_wake(card->plt_wake_cfg->irq_bt); |
1656 | disable_irq(card->plt_wake_cfg->irq_bt); | |
1657 | } | |
1658 | ||
e7acf430 | 1659 | priv->adapter->is_suspending = false; |
ba54a16f AK |
1660 | return -EBUSY; |
1661 | } | |
1662 | } | |
ba54a16f | 1663 | |
8cf60cf2 | 1664 | priv->adapter->is_suspending = false; |
ba54a16f AK |
1665 | priv->adapter->is_suspended = true; |
1666 | ||
1667 | /* We will keep the power when hs enabled successfully */ | |
1668 | if (priv->adapter->hs_state == HS_ACTIVATED) { | |
1669 | BT_DBG("suspend with MMC_PM_KEEP_POWER"); | |
1670 | return sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); | |
ba54a16f | 1671 | } |
f1554b7b | 1672 | |
1673 | BT_DBG("suspend without MMC_PM_KEEP_POWER"); | |
1674 | return 0; | |
ba54a16f AK |
1675 | } |
1676 | ||
1677 | static int btmrvl_sdio_resume(struct device *dev) | |
1678 | { | |
1679 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1680 | struct btmrvl_sdio_card *card; | |
1681 | struct btmrvl_private *priv; | |
1682 | mmc_pm_flag_t pm_flags; | |
1683 | struct hci_dev *hcidev; | |
1684 | ||
1685 | if (func) { | |
1686 | pm_flags = sdio_get_host_pm_caps(func); | |
1687 | BT_DBG("%s: resume: PM flags = 0x%x", sdio_func_id(func), | |
1688 | pm_flags); | |
1689 | card = sdio_get_drvdata(func); | |
1690 | if (!card || !card->priv) { | |
1691 | BT_ERR("card or priv structure is not valid"); | |
1692 | return 0; | |
1693 | } | |
1694 | } else { | |
1695 | BT_ERR("sdio_func is not specified"); | |
1696 | return 0; | |
1697 | } | |
1698 | priv = card->priv; | |
1699 | ||
1700 | if (!priv->adapter->is_suspended) { | |
1701 | BT_DBG("device already resumed"); | |
1702 | return 0; | |
1703 | } | |
1704 | ||
ba54a16f AK |
1705 | priv->hw_wakeup_firmware(priv); |
1706 | priv->adapter->hs_state = HS_DEACTIVATED; | |
5bf8a748 | 1707 | hcidev = priv->btmrvl_dev.hcidev; |
ba54a16f | 1708 | BT_DBG("%s: HS DEACTIVATED in resume!", hcidev->name); |
5bf8a748 CRL |
1709 | priv->adapter->is_suspended = false; |
1710 | BT_DBG("%s: SDIO resume", hcidev->name); | |
1711 | hci_resume_dev(hcidev); | |
ba54a16f | 1712 | |
bb7f4f0b | 1713 | /* Disable platform specific wakeup interrupt */ |
e660b351 APS |
1714 | if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0 && |
1715 | device_may_wakeup(dev)) { | |
bb7f4f0b | 1716 | disable_irq_wake(card->plt_wake_cfg->irq_bt); |
9af02d86 JC |
1717 | disable_irq(card->plt_wake_cfg->irq_bt); |
1718 | if (card->plt_wake_cfg->wake_by_bt) | |
1719 | /* Undo our disable, since interrupt handler already | |
1720 | * did this. | |
1721 | */ | |
1722 | enable_irq(card->plt_wake_cfg->irq_bt); | |
bb7f4f0b XH |
1723 | } |
1724 | ||
ba54a16f AK |
1725 | return 0; |
1726 | } | |
1727 | ||
1728 | static const struct dev_pm_ops btmrvl_sdio_pm_ops = { | |
1729 | .suspend = btmrvl_sdio_suspend, | |
1730 | .resume = btmrvl_sdio_resume, | |
1731 | }; | |
1732 | ||
789221ec BZ |
1733 | static struct sdio_driver bt_mrvl_sdio = { |
1734 | .name = "btmrvl_sdio", | |
1735 | .id_table = btmrvl_sdio_ids, | |
1736 | .probe = btmrvl_sdio_probe, | |
1737 | .remove = btmrvl_sdio_remove, | |
ba54a16f AK |
1738 | .drv = { |
1739 | .owner = THIS_MODULE, | |
45650499 | 1740 | .coredump = btmrvl_sdio_coredump, |
ba54a16f AK |
1741 | .pm = &btmrvl_sdio_pm_ops, |
1742 | } | |
789221ec BZ |
1743 | }; |
1744 | ||
8e5b2308 | 1745 | static int __init btmrvl_sdio_init_module(void) |
789221ec | 1746 | { |
789221ec BZ |
1747 | if (sdio_register_driver(&bt_mrvl_sdio) != 0) { |
1748 | BT_ERR("SDIO Driver Registration Failed"); | |
789221ec BZ |
1749 | return -ENODEV; |
1750 | } | |
1751 | ||
1752 | /* Clear the flag in case user removes the card. */ | |
1753 | user_rmmod = 0; | |
1754 | ||
789221ec BZ |
1755 | return 0; |
1756 | } | |
1757 | ||
8e5b2308 | 1758 | static void __exit btmrvl_sdio_exit_module(void) |
789221ec | 1759 | { |
789221ec BZ |
1760 | /* Set the flag as user is removing this module. */ |
1761 | user_rmmod = 1; | |
1762 | ||
1763 | sdio_unregister_driver(&bt_mrvl_sdio); | |
789221ec BZ |
1764 | } |
1765 | ||
1766 | module_init(btmrvl_sdio_init_module); | |
1767 | module_exit(btmrvl_sdio_exit_module); | |
1768 | ||
1769 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 1770 | MODULE_DESCRIPTION("Marvell BT-over-SDIO driver ver " VERSION); |
789221ec BZ |
1771 | MODULE_VERSION(VERSION); |
1772 | MODULE_LICENSE("GPL v2"); | |
77189df4 LR |
1773 | MODULE_FIRMWARE("mrvl/sd8688_helper.bin"); |
1774 | MODULE_FIRMWARE("mrvl/sd8688.bin"); | |
9f72c1d9 | 1775 | MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin"); |
2ac654f7 | 1776 | MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin"); |
3907d558 | 1777 | MODULE_FIRMWARE("mrvl/sd8887_uapsta.bin"); |
22f2efed | 1778 | MODULE_FIRMWARE("mrvl/sd8897_uapsta.bin"); |
dbec3af5 | 1779 | MODULE_FIRMWARE("mrvl/sdsd8977_combo_v2.bin"); |
73623340 | 1780 | MODULE_FIRMWARE("mrvl/sd8987_uapsta.bin"); |
00eb0cb3 | 1781 | MODULE_FIRMWARE("mrvl/sdsd8997_combo_v4.bin"); |