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789221ec BZ |
1 | /** |
2 | * Marvell BT-over-SDIO driver: SDIO interface related functions. | |
3 | * | |
4 | * Copyright (C) 2009, Marvell International Ltd. | |
5 | * | |
6 | * This software file (the "File") is distributed by Marvell International | |
7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 | |
8 | * (the "License"). You may use, redistribute and/or modify this File in | |
9 | * accordance with the terms and conditions of the License, a copy of which | |
10 | * is available by writing to the Free Software Foundation, Inc., | |
11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the | |
12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. | |
13 | * | |
14 | * | |
15 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE | |
16 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE | |
17 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about | |
18 | * this warranty disclaimer. | |
19 | **/ | |
20 | ||
433a9389 | 21 | #include <linux/firmware.h> |
5a0e3ad6 | 22 | #include <linux/slab.h> |
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 | 64 | struct btmrvl_sdio_card *card = priv; |
10004f81 | 65 | struct device *dev = &card->func->dev; |
17e41ea6 | 66 | struct btmrvl_plt_wake_cfg *cfg = card->plt_wake_cfg; |
bb7f4f0b | 67 | |
10004f81 | 68 | dev_info(dev, "wake by bt\n"); |
c8ba8044 XH |
69 | cfg->wake_by_bt = true; |
70 | disable_irq_nosync(irq); | |
bb7f4f0b | 71 | |
10004f81 | 72 | pm_wakeup_event(dev, 0); |
17e41ea6 JC |
73 | pm_system_wakeup(); |
74 | ||
bb7f4f0b XH |
75 | return IRQ_HANDLED; |
76 | } | |
77 | ||
78 | /* This function parses device tree node using mmc subnode devicetree API. | |
79 | * The device node is saved in card->plt_of_node. | |
80 | * If the device tree node exists and includes interrupts attributes, this | |
81 | * function will request platform specific wakeup interrupt. | |
82 | */ | |
83 | static int btmrvl_sdio_probe_of(struct device *dev, | |
84 | struct btmrvl_sdio_card *card) | |
85 | { | |
86 | struct btmrvl_plt_wake_cfg *cfg; | |
87 | int ret; | |
88 | ||
89 | if (!dev->of_node || | |
90 | !of_match_node(btmrvl_sdio_of_match_table, dev->of_node)) { | |
37c589ec | 91 | dev_info(dev, "sdio device tree data not available\n"); |
bb7f4f0b XH |
92 | return -1; |
93 | } | |
94 | ||
95 | card->plt_of_node = dev->of_node; | |
96 | ||
97 | card->plt_wake_cfg = devm_kzalloc(dev, sizeof(*card->plt_wake_cfg), | |
98 | GFP_KERNEL); | |
99 | cfg = card->plt_wake_cfg; | |
100 | if (cfg && card->plt_of_node) { | |
101 | cfg->irq_bt = irq_of_parse_and_map(card->plt_of_node, 0); | |
102 | if (!cfg->irq_bt) { | |
24a3a32a | 103 | dev_err(dev, "fail to parse irq_bt from device tree\n"); |
fd1a88da | 104 | cfg->irq_bt = -1; |
bb7f4f0b XH |
105 | } else { |
106 | ret = devm_request_irq(dev, cfg->irq_bt, | |
107 | btmrvl_wake_irq_bt, | |
17e41ea6 | 108 | 0, "bt_wake", card); |
bb7f4f0b XH |
109 | if (ret) { |
110 | dev_err(dev, | |
111 | "Failed to request irq_bt %d (%d)\n", | |
112 | cfg->irq_bt, ret); | |
113 | } | |
114 | disable_irq(cfg->irq_bt); | |
115 | } | |
116 | } | |
117 | ||
118 | return 0; | |
119 | } | |
120 | ||
789221ec BZ |
121 | /* The btmrvl_sdio_remove() callback function is called |
122 | * when user removes this module from kernel space or ejects | |
123 | * the card from the slot. The driver handles these 2 cases | |
124 | * differently. | |
125 | * If the user is removing the module, a MODULE_SHUTDOWN_REQ | |
126 | * command is sent to firmware and interrupt will be disabled. | |
127 | * If the card is removed, there is no need to send command | |
128 | * or disable interrupt. | |
129 | * | |
130 | * The variable 'user_rmmod' is used to distinguish these two | |
131 | * scenarios. This flag is initialized as FALSE in case the card | |
132 | * is removed, and will be set to TRUE for module removal when | |
133 | * module_exit function is called. | |
134 | */ | |
135 | static u8 user_rmmod; | |
d1d10d78 | 136 | static u8 sdio_ireg; |
789221ec | 137 | |
9f72c1d9 KG |
138 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8688 = { |
139 | .cfg = 0x03, | |
140 | .host_int_mask = 0x04, | |
141 | .host_intstatus = 0x05, | |
142 | .card_status = 0x20, | |
143 | .sq_read_base_addr_a0 = 0x10, | |
144 | .sq_read_base_addr_a1 = 0x11, | |
145 | .card_fw_status0 = 0x40, | |
146 | .card_fw_status1 = 0x41, | |
147 | .card_rx_len = 0x42, | |
148 | .card_rx_unit = 0x43, | |
149 | .io_port_0 = 0x00, | |
150 | .io_port_1 = 0x01, | |
151 | .io_port_2 = 0x02, | |
0d367408 | 152 | .int_read_to_clear = false, |
9f72c1d9 | 153 | }; |
2ac654f7 | 154 | static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = { |
9f72c1d9 KG |
155 | .cfg = 0x00, |
156 | .host_int_mask = 0x02, | |
157 | .host_intstatus = 0x03, | |
158 | .card_status = 0x30, | |
159 | .sq_read_base_addr_a0 = 0x40, | |
160 | .sq_read_base_addr_a1 = 0x41, | |
161 | .card_revision = 0x5c, | |
162 | .card_fw_status0 = 0x60, | |
163 | .card_fw_status1 = 0x61, | |
164 | .card_rx_len = 0x62, | |
165 | .card_rx_unit = 0x63, | |
166 | .io_port_0 = 0x78, | |
167 | .io_port_1 = 0x79, | |
168 | .io_port_2 = 0x7a, | |
0d367408 | 169 | .int_read_to_clear = false, |
9f72c1d9 KG |
170 | }; |
171 | ||
3907d558 XH |
172 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8887 = { |
173 | .cfg = 0x00, | |
174 | .host_int_mask = 0x08, | |
175 | .host_intstatus = 0x0C, | |
176 | .card_status = 0x5C, | |
177 | .sq_read_base_addr_a0 = 0x6C, | |
178 | .sq_read_base_addr_a1 = 0x6D, | |
179 | .card_revision = 0xC8, | |
180 | .card_fw_status0 = 0x88, | |
181 | .card_fw_status1 = 0x89, | |
182 | .card_rx_len = 0x8A, | |
183 | .card_rx_unit = 0x8B, | |
184 | .io_port_0 = 0xE4, | |
185 | .io_port_1 = 0xE5, | |
186 | .io_port_2 = 0xE6, | |
187 | .int_read_to_clear = true, | |
188 | .host_int_rsr = 0x04, | |
189 | .card_misc_cfg = 0xD8, | |
190 | }; | |
191 | ||
1e3e492c | 192 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8897 = { |
22f2efed BZ |
193 | .cfg = 0x00, |
194 | .host_int_mask = 0x02, | |
195 | .host_intstatus = 0x03, | |
196 | .card_status = 0x50, | |
197 | .sq_read_base_addr_a0 = 0x60, | |
198 | .sq_read_base_addr_a1 = 0x61, | |
199 | .card_revision = 0xbc, | |
200 | .card_fw_status0 = 0xc0, | |
201 | .card_fw_status1 = 0xc1, | |
202 | .card_rx_len = 0xc2, | |
203 | .card_rx_unit = 0xc3, | |
204 | .io_port_0 = 0xd8, | |
205 | .io_port_1 = 0xd9, | |
206 | .io_port_2 = 0xda, | |
0d367408 BZ |
207 | .int_read_to_clear = true, |
208 | .host_int_rsr = 0x01, | |
209 | .card_misc_cfg = 0xcc, | |
dc759613 XH |
210 | .fw_dump_ctrl = 0xe2, |
211 | .fw_dump_start = 0xe3, | |
212 | .fw_dump_end = 0xea, | |
22f2efed BZ |
213 | }; |
214 | ||
8c57983b HS |
215 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8977 = { |
216 | .cfg = 0x00, | |
217 | .host_int_mask = 0x08, | |
218 | .host_intstatus = 0x0c, | |
219 | .card_status = 0x5c, | |
220 | .sq_read_base_addr_a0 = 0xf8, | |
221 | .sq_read_base_addr_a1 = 0xf9, | |
222 | .card_revision = 0xc8, | |
223 | .card_fw_status0 = 0xe8, | |
224 | .card_fw_status1 = 0xe9, | |
225 | .card_rx_len = 0xea, | |
226 | .card_rx_unit = 0xeb, | |
227 | .io_port_0 = 0xe4, | |
228 | .io_port_1 = 0xe5, | |
229 | .io_port_2 = 0xe6, | |
230 | .int_read_to_clear = true, | |
231 | .host_int_rsr = 0x04, | |
232 | .card_misc_cfg = 0xD8, | |
233 | .fw_dump_ctrl = 0xf0, | |
234 | .fw_dump_start = 0xf1, | |
235 | .fw_dump_end = 0xf8, | |
236 | }; | |
237 | ||
73623340 TS |
238 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8987 = { |
239 | .cfg = 0x00, | |
240 | .host_int_mask = 0x08, | |
241 | .host_intstatus = 0x0c, | |
242 | .card_status = 0x5c, | |
243 | .sq_read_base_addr_a0 = 0xf8, | |
244 | .sq_read_base_addr_a1 = 0xf9, | |
245 | .card_revision = 0xc8, | |
246 | .card_fw_status0 = 0xe8, | |
247 | .card_fw_status1 = 0xe9, | |
248 | .card_rx_len = 0xea, | |
249 | .card_rx_unit = 0xeb, | |
250 | .io_port_0 = 0xe4, | |
251 | .io_port_1 = 0xe5, | |
252 | .io_port_2 = 0xe6, | |
253 | .int_read_to_clear = true, | |
254 | .host_int_rsr = 0x04, | |
255 | .card_misc_cfg = 0xd8, | |
256 | .fw_dump_ctrl = 0xf0, | |
257 | .fw_dump_start = 0xf1, | |
258 | .fw_dump_end = 0xf8, | |
259 | }; | |
260 | ||
f0ef6748 AK |
261 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8997 = { |
262 | .cfg = 0x00, | |
263 | .host_int_mask = 0x08, | |
264 | .host_intstatus = 0x0c, | |
265 | .card_status = 0x5c, | |
266 | .sq_read_base_addr_a0 = 0xf8, | |
267 | .sq_read_base_addr_a1 = 0xf9, | |
268 | .card_revision = 0xc8, | |
269 | .card_fw_status0 = 0xe8, | |
270 | .card_fw_status1 = 0xe9, | |
271 | .card_rx_len = 0xea, | |
272 | .card_rx_unit = 0xeb, | |
273 | .io_port_0 = 0xe4, | |
274 | .io_port_1 = 0xe5, | |
275 | .io_port_2 = 0xe6, | |
276 | .int_read_to_clear = true, | |
277 | .host_int_rsr = 0x04, | |
278 | .card_misc_cfg = 0xD8, | |
279 | .fw_dump_ctrl = 0xf0, | |
280 | .fw_dump_start = 0xf1, | |
281 | .fw_dump_end = 0xf8, | |
282 | }; | |
283 | ||
c675786a | 284 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = { |
77189df4 LR |
285 | .helper = "mrvl/sd8688_helper.bin", |
286 | .firmware = "mrvl/sd8688.bin", | |
9f72c1d9 | 287 | .reg = &btmrvl_reg_8688, |
4df82b59 | 288 | .support_pscan_win_report = false, |
9f72c1d9 | 289 | .sd_blksz_fw_dl = 64, |
dc759613 | 290 | .supports_fw_dump = false, |
9f72c1d9 KG |
291 | }; |
292 | ||
293 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = { | |
294 | .helper = NULL, | |
295 | .firmware = "mrvl/sd8787_uapsta.bin", | |
2ac654f7 | 296 | .reg = &btmrvl_reg_87xx, |
4df82b59 | 297 | .support_pscan_win_report = false, |
2ac654f7 | 298 | .sd_blksz_fw_dl = 256, |
dc759613 | 299 | .supports_fw_dump = false, |
2ac654f7 BZ |
300 | }; |
301 | ||
302 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = { | |
303 | .helper = NULL, | |
304 | .firmware = "mrvl/sd8797_uapsta.bin", | |
305 | .reg = &btmrvl_reg_87xx, | |
4df82b59 | 306 | .support_pscan_win_report = false, |
9f72c1d9 | 307 | .sd_blksz_fw_dl = 256, |
dc759613 | 308 | .supports_fw_dump = false, |
789221ec BZ |
309 | }; |
310 | ||
3907d558 XH |
311 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8887 = { |
312 | .helper = NULL, | |
313 | .firmware = "mrvl/sd8887_uapsta.bin", | |
314 | .reg = &btmrvl_reg_8887, | |
315 | .support_pscan_win_report = true, | |
316 | .sd_blksz_fw_dl = 256, | |
dc759613 | 317 | .supports_fw_dump = false, |
3907d558 XH |
318 | }; |
319 | ||
22f2efed BZ |
320 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8897 = { |
321 | .helper = NULL, | |
322 | .firmware = "mrvl/sd8897_uapsta.bin", | |
1e3e492c | 323 | .reg = &btmrvl_reg_8897, |
4df82b59 | 324 | .support_pscan_win_report = true, |
22f2efed | 325 | .sd_blksz_fw_dl = 256, |
dc759613 | 326 | .supports_fw_dump = true, |
22f2efed BZ |
327 | }; |
328 | ||
8c57983b HS |
329 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8977 = { |
330 | .helper = NULL, | |
331 | .firmware = "mrvl/sd8977_uapsta.bin", | |
332 | .reg = &btmrvl_reg_8977, | |
333 | .support_pscan_win_report = true, | |
334 | .sd_blksz_fw_dl = 256, | |
335 | .supports_fw_dump = true, | |
336 | }; | |
337 | ||
73623340 TS |
338 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8987 = { |
339 | .helper = NULL, | |
340 | .firmware = "mrvl/sd8987_uapsta.bin", | |
341 | .reg = &btmrvl_reg_8987, | |
342 | .support_pscan_win_report = true, | |
343 | .sd_blksz_fw_dl = 256, | |
344 | .supports_fw_dump = true, | |
345 | }; | |
346 | ||
f0ef6748 AK |
347 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8997 = { |
348 | .helper = NULL, | |
349 | .firmware = "mrvl/sd8997_uapsta.bin", | |
350 | .reg = &btmrvl_reg_8997, | |
351 | .support_pscan_win_report = true, | |
352 | .sd_blksz_fw_dl = 256, | |
353 | .supports_fw_dump = true, | |
354 | }; | |
355 | ||
dcf47f3b MH |
356 | static const struct sdio_device_id btmrvl_sdio_ids[] = { |
357 | /* Marvell SD8688 Bluetooth device */ | |
358 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9105), | |
53d6cfa5 | 359 | .driver_data = (unsigned long)&btmrvl_sdio_sd8688 }, |
9f72c1d9 KG |
360 | /* Marvell SD8787 Bluetooth device */ |
361 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A), | |
53d6cfa5 | 362 | .driver_data = (unsigned long)&btmrvl_sdio_sd8787 }, |
37ed561e BZ |
363 | /* Marvell SD8787 Bluetooth AMP device */ |
364 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911B), | |
53d6cfa5 | 365 | .driver_data = (unsigned long)&btmrvl_sdio_sd8787 }, |
2ac654f7 BZ |
366 | /* Marvell SD8797 Bluetooth device */ |
367 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A), | |
53d6cfa5 | 368 | .driver_data = (unsigned long)&btmrvl_sdio_sd8797 }, |
3907d558 XH |
369 | /* Marvell SD8887 Bluetooth device */ |
370 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9136), | |
371 | .driver_data = (unsigned long)&btmrvl_sdio_sd8887 }, | |
22f2efed BZ |
372 | /* Marvell SD8897 Bluetooth device */ |
373 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912E), | |
53d6cfa5 | 374 | .driver_data = (unsigned long)&btmrvl_sdio_sd8897 }, |
8c57983b HS |
375 | /* Marvell SD8977 Bluetooth device */ |
376 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9146), | |
377 | .driver_data = (unsigned long)&btmrvl_sdio_sd8977 }, | |
73623340 TS |
378 | /* Marvell SD8987 Bluetooth device */ |
379 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x914A), | |
380 | .driver_data = (unsigned long)&btmrvl_sdio_sd8987 }, | |
f0ef6748 AK |
381 | /* Marvell SD8997 Bluetooth device */ |
382 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9142), | |
383 | .driver_data = (unsigned long)&btmrvl_sdio_sd8997 }, | |
789221ec | 384 | |
dcf47f3b | 385 | { } /* Terminating entry */ |
789221ec BZ |
386 | }; |
387 | ||
dcf47f3b MH |
388 | MODULE_DEVICE_TABLE(sdio, btmrvl_sdio_ids); |
389 | ||
789221ec BZ |
390 | static int btmrvl_sdio_get_rx_unit(struct btmrvl_sdio_card *card) |
391 | { | |
392 | u8 reg; | |
393 | int ret; | |
394 | ||
9f72c1d9 | 395 | reg = sdio_readb(card->func, card->reg->card_rx_unit, &ret); |
789221ec BZ |
396 | if (!ret) |
397 | card->rx_unit = reg; | |
398 | ||
789221ec BZ |
399 | return ret; |
400 | } | |
401 | ||
402 | static int btmrvl_sdio_read_fw_status(struct btmrvl_sdio_card *card, u16 *dat) | |
403 | { | |
789221ec | 404 | u8 fws0, fws1; |
9374253f | 405 | int ret; |
789221ec BZ |
406 | |
407 | *dat = 0; | |
408 | ||
9f72c1d9 | 409 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); |
278be27f KV |
410 | if (ret) |
411 | return -EIO; | |
789221ec | 412 | |
9f72c1d9 | 413 | fws1 = sdio_readb(card->func, card->reg->card_fw_status1, &ret); |
9374253f | 414 | if (ret) |
789221ec | 415 | return -EIO; |
789221ec BZ |
416 | |
417 | *dat = (((u16) fws1) << 8) | fws0; | |
418 | ||
789221ec BZ |
419 | return 0; |
420 | } | |
421 | ||
422 | static int btmrvl_sdio_read_rx_len(struct btmrvl_sdio_card *card, u16 *dat) | |
423 | { | |
789221ec | 424 | u8 reg; |
9374253f | 425 | int ret; |
789221ec | 426 | |
9f72c1d9 | 427 | reg = sdio_readb(card->func, card->reg->card_rx_len, &ret); |
789221ec BZ |
428 | if (!ret) |
429 | *dat = (u16) reg << card->rx_unit; | |
430 | ||
789221ec BZ |
431 | return ret; |
432 | } | |
433 | ||
434 | static int btmrvl_sdio_enable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 435 | u8 mask) |
789221ec BZ |
436 | { |
437 | int ret; | |
438 | ||
9f72c1d9 | 439 | sdio_writeb(card->func, mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
440 | if (ret) { |
441 | BT_ERR("Unable to enable the host interrupt!"); | |
442 | ret = -EIO; | |
443 | } | |
444 | ||
789221ec BZ |
445 | return ret; |
446 | } | |
447 | ||
448 | static int btmrvl_sdio_disable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 449 | u8 mask) |
789221ec | 450 | { |
789221ec | 451 | u8 host_int_mask; |
9374253f | 452 | int ret; |
789221ec | 453 | |
9f72c1d9 | 454 | host_int_mask = sdio_readb(card->func, card->reg->host_int_mask, &ret); |
9374253f MH |
455 | if (ret) |
456 | return -EIO; | |
789221ec BZ |
457 | |
458 | host_int_mask &= ~mask; | |
459 | ||
9f72c1d9 | 460 | sdio_writeb(card->func, host_int_mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
461 | if (ret < 0) { |
462 | BT_ERR("Unable to disable the host interrupt!"); | |
9374253f | 463 | return -EIO; |
789221ec BZ |
464 | } |
465 | ||
9374253f | 466 | return 0; |
789221ec BZ |
467 | } |
468 | ||
469 | static int btmrvl_sdio_poll_card_status(struct btmrvl_sdio_card *card, u8 bits) | |
470 | { | |
471 | unsigned int tries; | |
789221ec | 472 | u8 status; |
9374253f | 473 | int ret; |
789221ec BZ |
474 | |
475 | for (tries = 0; tries < MAX_POLL_TRIES * 1000; tries++) { | |
9f72c1d9 | 476 | status = sdio_readb(card->func, card->reg->card_status, &ret); |
789221ec BZ |
477 | if (ret) |
478 | goto failed; | |
479 | if ((status & bits) == bits) | |
9374253f | 480 | return ret; |
789221ec BZ |
481 | |
482 | udelay(1); | |
483 | } | |
484 | ||
485 | ret = -ETIMEDOUT; | |
486 | ||
487 | failed: | |
488 | BT_ERR("FAILED! ret=%d", ret); | |
489 | ||
789221ec BZ |
490 | return ret; |
491 | } | |
492 | ||
493 | static int btmrvl_sdio_verify_fw_download(struct btmrvl_sdio_card *card, | |
dcf47f3b | 494 | int pollnum) |
789221ec | 495 | { |
789221ec | 496 | u16 firmwarestat; |
69676b1c | 497 | int tries, ret; |
789221ec | 498 | |
789221ec BZ |
499 | /* Wait for firmware to become ready */ |
500 | for (tries = 0; tries < pollnum; tries++) { | |
c1c999e2 AF |
501 | sdio_claim_host(card->func); |
502 | ret = btmrvl_sdio_read_fw_status(card, &firmwarestat); | |
503 | sdio_release_host(card->func); | |
504 | if (ret < 0) | |
789221ec BZ |
505 | continue; |
506 | ||
69676b1c AF |
507 | if (firmwarestat == FIRMWARE_READY) |
508 | return 0; | |
509 | ||
9a01242d | 510 | msleep(100); |
789221ec BZ |
511 | } |
512 | ||
69676b1c | 513 | return -ETIMEDOUT; |
789221ec BZ |
514 | } |
515 | ||
516 | static int btmrvl_sdio_download_helper(struct btmrvl_sdio_card *card) | |
517 | { | |
518 | const struct firmware *fw_helper = NULL; | |
519 | const u8 *helper = NULL; | |
520 | int ret; | |
521 | void *tmphlprbuf = NULL; | |
522 | int tmphlprbufsz, hlprblknow, helperlen; | |
523 | u8 *helperbuf; | |
524 | u32 tx_len; | |
525 | ||
789221ec | 526 | ret = request_firmware(&fw_helper, card->helper, |
dcf47f3b | 527 | &card->func->dev); |
789221ec BZ |
528 | if ((ret < 0) || !fw_helper) { |
529 | BT_ERR("request_firmware(helper) failed, error code = %d", | |
dcf47f3b | 530 | ret); |
789221ec BZ |
531 | ret = -ENOENT; |
532 | goto done; | |
533 | } | |
534 | ||
535 | helper = fw_helper->data; | |
536 | helperlen = fw_helper->size; | |
537 | ||
538 | BT_DBG("Downloading helper image (%d bytes), block size %d bytes", | |
dcf47f3b | 539 | helperlen, SDIO_BLOCK_SIZE); |
789221ec BZ |
540 | |
541 | tmphlprbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
542 | ||
f8df39f1 | 543 | tmphlprbuf = kzalloc(tmphlprbufsz, GFP_KERNEL); |
789221ec BZ |
544 | if (!tmphlprbuf) { |
545 | BT_ERR("Unable to allocate buffer for helper." | |
546 | " Terminating download"); | |
547 | ret = -ENOMEM; | |
548 | goto done; | |
549 | } | |
550 | ||
789221ec BZ |
551 | helperbuf = (u8 *) ALIGN_ADDR(tmphlprbuf, BTSDIO_DMA_ALIGN); |
552 | ||
553 | /* Perform helper data transfer */ | |
554 | tx_len = (FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE) | |
555 | - SDIO_HEADER_LEN; | |
556 | hlprblknow = 0; | |
557 | ||
558 | do { | |
559 | ret = btmrvl_sdio_poll_card_status(card, | |
560 | CARD_IO_READY | DN_LD_CARD_RDY); | |
561 | if (ret < 0) { | |
562 | BT_ERR("Helper download poll status timeout @ %d", | |
563 | hlprblknow); | |
564 | goto done; | |
565 | } | |
566 | ||
567 | /* Check if there is more data? */ | |
568 | if (hlprblknow >= helperlen) | |
569 | break; | |
570 | ||
571 | if (helperlen - hlprblknow < tx_len) | |
572 | tx_len = helperlen - hlprblknow; | |
573 | ||
574 | /* Little-endian */ | |
575 | helperbuf[0] = ((tx_len & 0x000000ff) >> 0); | |
576 | helperbuf[1] = ((tx_len & 0x0000ff00) >> 8); | |
577 | helperbuf[2] = ((tx_len & 0x00ff0000) >> 16); | |
578 | helperbuf[3] = ((tx_len & 0xff000000) >> 24); | |
579 | ||
580 | memcpy(&helperbuf[SDIO_HEADER_LEN], &helper[hlprblknow], | |
581 | tx_len); | |
582 | ||
583 | /* Now send the data */ | |
dcf47f3b MH |
584 | ret = sdio_writesb(card->func, card->ioport, helperbuf, |
585 | FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE); | |
789221ec BZ |
586 | if (ret < 0) { |
587 | BT_ERR("IO error during helper download @ %d", | |
588 | hlprblknow); | |
589 | goto done; | |
590 | } | |
591 | ||
592 | hlprblknow += tx_len; | |
593 | } while (true); | |
594 | ||
595 | BT_DBG("Transferring helper image EOF block"); | |
596 | ||
597 | memset(helperbuf, 0x0, SDIO_BLOCK_SIZE); | |
598 | ||
599 | ret = sdio_writesb(card->func, card->ioport, helperbuf, | |
dcf47f3b | 600 | SDIO_BLOCK_SIZE); |
789221ec BZ |
601 | if (ret < 0) { |
602 | BT_ERR("IO error in writing helper image EOF block"); | |
603 | goto done; | |
604 | } | |
605 | ||
606 | ret = 0; | |
607 | ||
608 | done: | |
609 | kfree(tmphlprbuf); | |
59f34fb3 | 610 | release_firmware(fw_helper); |
789221ec BZ |
611 | return ret; |
612 | } | |
613 | ||
614 | static int btmrvl_sdio_download_fw_w_helper(struct btmrvl_sdio_card *card) | |
615 | { | |
616 | const struct firmware *fw_firmware = NULL; | |
617 | const u8 *firmware = NULL; | |
618 | int firmwarelen, tmpfwbufsz, ret; | |
619 | unsigned int tries, offset; | |
620 | u8 base0, base1; | |
621 | void *tmpfwbuf = NULL; | |
622 | u8 *fwbuf; | |
9f72c1d9 | 623 | u16 len, blksz_dl = card->sd_blksz_fw_dl; |
789221ec BZ |
624 | int txlen = 0, tx_blocks = 0, count = 0; |
625 | ||
789221ec | 626 | ret = request_firmware(&fw_firmware, card->firmware, |
dcf47f3b | 627 | &card->func->dev); |
789221ec BZ |
628 | if ((ret < 0) || !fw_firmware) { |
629 | BT_ERR("request_firmware(firmware) failed, error code = %d", | |
dcf47f3b | 630 | ret); |
789221ec BZ |
631 | ret = -ENOENT; |
632 | goto done; | |
633 | } | |
634 | ||
635 | firmware = fw_firmware->data; | |
636 | firmwarelen = fw_firmware->size; | |
637 | ||
638 | BT_DBG("Downloading FW image (%d bytes)", firmwarelen); | |
639 | ||
640 | tmpfwbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
f8df39f1 | 641 | tmpfwbuf = kzalloc(tmpfwbufsz, GFP_KERNEL); |
789221ec BZ |
642 | if (!tmpfwbuf) { |
643 | BT_ERR("Unable to allocate buffer for firmware." | |
644 | " Terminating download"); | |
645 | ret = -ENOMEM; | |
646 | goto done; | |
647 | } | |
648 | ||
789221ec BZ |
649 | /* Ensure aligned firmware buffer */ |
650 | fwbuf = (u8 *) ALIGN_ADDR(tmpfwbuf, BTSDIO_DMA_ALIGN); | |
651 | ||
652 | /* Perform firmware data transfer */ | |
653 | offset = 0; | |
654 | do { | |
655 | ret = btmrvl_sdio_poll_card_status(card, | |
dcf47f3b | 656 | CARD_IO_READY | DN_LD_CARD_RDY); |
789221ec BZ |
657 | if (ret < 0) { |
658 | BT_ERR("FW download with helper poll status" | |
dcf47f3b | 659 | " timeout @ %d", offset); |
789221ec BZ |
660 | goto done; |
661 | } | |
662 | ||
663 | /* Check if there is more data ? */ | |
664 | if (offset >= firmwarelen) | |
665 | break; | |
666 | ||
667 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
668 | base0 = sdio_readb(card->func, | |
9f72c1d9 | 669 | card->reg->sq_read_base_addr_a0, &ret); |
789221ec BZ |
670 | if (ret) { |
671 | BT_ERR("BASE0 register read failed:" | |
672 | " base0 = 0x%04X(%d)." | |
673 | " Terminating download", | |
674 | base0, base0); | |
675 | ret = -EIO; | |
676 | goto done; | |
677 | } | |
678 | base1 = sdio_readb(card->func, | |
9f72c1d9 | 679 | card->reg->sq_read_base_addr_a1, &ret); |
789221ec BZ |
680 | if (ret) { |
681 | BT_ERR("BASE1 register read failed:" | |
682 | " base1 = 0x%04X(%d)." | |
683 | " Terminating download", | |
684 | base1, base1); | |
685 | ret = -EIO; | |
686 | goto done; | |
687 | } | |
688 | ||
689 | len = (((u16) base1) << 8) | base0; | |
690 | if (len) | |
691 | break; | |
692 | ||
693 | udelay(10); | |
694 | } | |
695 | ||
696 | if (!len) | |
697 | break; | |
698 | else if (len > BTM_UPLD_SIZE) { | |
699 | BT_ERR("FW download failure @%d, invalid length %d", | |
dcf47f3b | 700 | offset, len); |
789221ec BZ |
701 | ret = -EINVAL; |
702 | goto done; | |
703 | } | |
704 | ||
705 | txlen = len; | |
706 | ||
707 | if (len & BIT(0)) { | |
708 | count++; | |
709 | if (count > MAX_WRITE_IOMEM_RETRY) { | |
710 | BT_ERR("FW download failure @%d, " | |
711 | "over max retry count", offset); | |
712 | ret = -EIO; | |
713 | goto done; | |
714 | } | |
715 | BT_ERR("FW CRC error indicated by the helper: " | |
716 | "len = 0x%04X, txlen = %d", len, txlen); | |
717 | len &= ~BIT(0); | |
718 | /* Set txlen to 0 so as to resend from same offset */ | |
719 | txlen = 0; | |
720 | } else { | |
721 | count = 0; | |
722 | ||
723 | /* Last block ? */ | |
724 | if (firmwarelen - offset < txlen) | |
725 | txlen = firmwarelen - offset; | |
726 | ||
ba34dd3d | 727 | tx_blocks = DIV_ROUND_UP(txlen, blksz_dl); |
789221ec BZ |
728 | |
729 | memcpy(fwbuf, &firmware[offset], txlen); | |
730 | } | |
731 | ||
732 | ret = sdio_writesb(card->func, card->ioport, fwbuf, | |
9f72c1d9 | 733 | tx_blocks * blksz_dl); |
789221ec BZ |
734 | |
735 | if (ret < 0) { | |
736 | BT_ERR("FW download, writesb(%d) failed @%d", | |
dcf47f3b | 737 | count, offset); |
9f72c1d9 KG |
738 | sdio_writeb(card->func, HOST_CMD53_FIN, |
739 | card->reg->cfg, &ret); | |
789221ec BZ |
740 | if (ret) |
741 | BT_ERR("writeb failed (CFG)"); | |
742 | } | |
743 | ||
744 | offset += txlen; | |
745 | } while (true); | |
746 | ||
1c6098eb | 747 | BT_INFO("FW download over, size %d bytes", offset); |
789221ec BZ |
748 | |
749 | ret = 0; | |
750 | ||
751 | done: | |
752 | kfree(tmpfwbuf); | |
59f34fb3 | 753 | release_firmware(fw_firmware); |
789221ec BZ |
754 | return ret; |
755 | } | |
756 | ||
757 | static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv) | |
758 | { | |
759 | u16 buf_len = 0; | |
42632805 | 760 | int ret, num_blocks, blksz; |
789221ec BZ |
761 | struct sk_buff *skb = NULL; |
762 | u32 type; | |
9376e4a5 | 763 | u8 *payload; |
789221ec BZ |
764 | struct hci_dev *hdev = priv->btmrvl_dev.hcidev; |
765 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
766 | ||
789221ec BZ |
767 | if (!card || !card->func) { |
768 | BT_ERR("card or function is NULL!"); | |
769 | ret = -EINVAL; | |
770 | goto exit; | |
771 | } | |
772 | ||
773 | /* Read the length of data to be transferred */ | |
774 | ret = btmrvl_sdio_read_rx_len(card, &buf_len); | |
775 | if (ret < 0) { | |
776 | BT_ERR("read rx_len failed"); | |
777 | ret = -EIO; | |
778 | goto exit; | |
779 | } | |
780 | ||
781 | blksz = SDIO_BLOCK_SIZE; | |
e678bad5 | 782 | num_blocks = DIV_ROUND_UP(buf_len, blksz); |
789221ec BZ |
783 | |
784 | if (buf_len <= SDIO_HEADER_LEN | |
42632805 | 785 | || (num_blocks * blksz) > ALLOC_BUF_SIZE) { |
789221ec BZ |
786 | BT_ERR("invalid packet length: %d", buf_len); |
787 | ret = -EINVAL; | |
788 | goto exit; | |
789 | } | |
790 | ||
791 | /* Allocate buffer */ | |
436018ee | 792 | skb = bt_skb_alloc(num_blocks * blksz + BTSDIO_DMA_ALIGN, GFP_KERNEL); |
1f438c61 | 793 | if (!skb) { |
789221ec | 794 | BT_ERR("No free skb"); |
6ea81c41 | 795 | ret = -ENOMEM; |
789221ec BZ |
796 | goto exit; |
797 | } | |
798 | ||
3318b236 BZ |
799 | if ((unsigned long) skb->data & (BTSDIO_DMA_ALIGN - 1)) { |
800 | skb_put(skb, (unsigned long) skb->data & | |
801 | (BTSDIO_DMA_ALIGN - 1)); | |
802 | skb_pull(skb, (unsigned long) skb->data & | |
803 | (BTSDIO_DMA_ALIGN - 1)); | |
789221ec BZ |
804 | } |
805 | ||
3318b236 | 806 | payload = skb->data; |
789221ec BZ |
807 | |
808 | ret = sdio_readsb(card->func, payload, card->ioport, | |
42632805 | 809 | num_blocks * blksz); |
789221ec BZ |
810 | if (ret < 0) { |
811 | BT_ERR("readsb failed: %d", ret); | |
812 | ret = -EIO; | |
813 | goto exit; | |
814 | } | |
815 | ||
816 | /* This is SDIO specific header length: byte[2][1][0], type: byte[3] | |
817 | * (HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor) | |
818 | */ | |
819 | ||
820 | buf_len = payload[0]; | |
9cb23dd4 AE |
821 | buf_len |= payload[1] << 8; |
822 | buf_len |= payload[2] << 16; | |
823 | ||
824 | if (buf_len > blksz * num_blocks) { | |
825 | BT_ERR("Skip incorrect packet: hdrlen %d buffer %d", | |
826 | buf_len, blksz * num_blocks); | |
827 | ret = -EIO; | |
828 | goto exit; | |
829 | } | |
830 | ||
789221ec BZ |
831 | type = payload[3]; |
832 | ||
833 | switch (type) { | |
834 | case HCI_ACLDATA_PKT: | |
835 | case HCI_SCODATA_PKT: | |
836 | case HCI_EVENT_PKT: | |
618e8bc2 | 837 | hci_skb_pkt_type(skb) = type; |
789221ec BZ |
838 | skb_put(skb, buf_len); |
839 | skb_pull(skb, SDIO_HEADER_LEN); | |
840 | ||
ea1e76a3 AE |
841 | if (type == HCI_EVENT_PKT) { |
842 | if (btmrvl_check_evtpkt(priv, skb)) | |
e1a26170 | 843 | hci_recv_frame(hdev, skb); |
2c2453f3 | 844 | } else { |
e1a26170 | 845 | hci_recv_frame(hdev, skb); |
2c2453f3 | 846 | } |
789221ec | 847 | |
789221ec BZ |
848 | hdev->stat.byte_rx += buf_len; |
849 | break; | |
850 | ||
851 | case MRVL_VENDOR_PKT: | |
618e8bc2 | 852 | hci_skb_pkt_type(skb) = HCI_VENDOR_PKT; |
789221ec BZ |
853 | skb_put(skb, buf_len); |
854 | skb_pull(skb, SDIO_HEADER_LEN); | |
855 | ||
856 | if (btmrvl_process_event(priv, skb)) | |
e1a26170 | 857 | hci_recv_frame(hdev, skb); |
789221ec BZ |
858 | |
859 | hdev->stat.byte_rx += buf_len; | |
860 | break; | |
861 | ||
862 | default: | |
af901ca1 | 863 | BT_ERR("Unknown packet type:%d", type); |
78c1b8e8 | 864 | BT_ERR("hex: %*ph", blksz * num_blocks, payload); |
789221ec BZ |
865 | |
866 | kfree_skb(skb); | |
867 | skb = NULL; | |
868 | break; | |
869 | } | |
870 | ||
871 | exit: | |
872 | if (ret) { | |
873 | hdev->stat.err_rx++; | |
7923296f | 874 | kfree_skb(skb); |
789221ec BZ |
875 | } |
876 | ||
789221ec BZ |
877 | return ret; |
878 | } | |
879 | ||
d1d10d78 | 880 | static int btmrvl_sdio_process_int_status(struct btmrvl_private *priv) |
789221ec | 881 | { |
d1d10d78 AK |
882 | ulong flags; |
883 | u8 ireg; | |
789221ec BZ |
884 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; |
885 | ||
d1d10d78 AK |
886 | spin_lock_irqsave(&priv->driver_lock, flags); |
887 | ireg = sdio_ireg; | |
888 | sdio_ireg = 0; | |
889 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
789221ec | 890 | |
d1d10d78 AK |
891 | sdio_claim_host(card->func); |
892 | if (ireg & DN_LD_HOST_INT_STATUS) { | |
789221ec BZ |
893 | if (priv->btmrvl_dev.tx_dnld_rdy) |
894 | BT_DBG("tx_done already received: " | |
d1d10d78 | 895 | " int_status=0x%x", ireg); |
789221ec BZ |
896 | else |
897 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
898 | } | |
899 | ||
d1d10d78 | 900 | if (ireg & UP_LD_HOST_INT_STATUS) |
789221ec BZ |
901 | btmrvl_sdio_card_to_host(priv); |
902 | ||
d1d10d78 | 903 | sdio_release_host(card->func); |
789221ec | 904 | |
d1d10d78 | 905 | return 0; |
789221ec BZ |
906 | } |
907 | ||
0d367408 BZ |
908 | static int btmrvl_sdio_read_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
909 | { | |
910 | struct btmrvl_adapter *adapter = card->priv->adapter; | |
911 | int ret; | |
912 | ||
913 | ret = sdio_readsb(card->func, adapter->hw_regs, 0, SDIO_BLOCK_SIZE); | |
914 | if (ret) { | |
915 | BT_ERR("sdio_readsb: read int hw_regs failed: %d", ret); | |
916 | return ret; | |
917 | } | |
918 | ||
919 | *ireg = adapter->hw_regs[card->reg->host_intstatus]; | |
920 | BT_DBG("hw_regs[%#x]=%#x", card->reg->host_intstatus, *ireg); | |
921 | ||
922 | return 0; | |
923 | } | |
924 | ||
8af4840a BZ |
925 | static int btmrvl_sdio_write_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
926 | { | |
927 | int ret; | |
928 | ||
929 | *ireg = sdio_readb(card->func, card->reg->host_intstatus, &ret); | |
930 | if (ret) { | |
931 | BT_ERR("sdio_readb: read int status failed: %d", ret); | |
932 | return ret; | |
933 | } | |
934 | ||
935 | if (*ireg) { | |
936 | /* | |
937 | * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS | |
938 | * Clear the interrupt status register and re-enable the | |
939 | * interrupt. | |
940 | */ | |
941 | BT_DBG("int_status = 0x%x", *ireg); | |
942 | ||
943 | sdio_writeb(card->func, ~(*ireg) & (DN_LD_HOST_INT_STATUS | | |
944 | UP_LD_HOST_INT_STATUS), | |
945 | card->reg->host_intstatus, &ret); | |
946 | if (ret) { | |
947 | BT_ERR("sdio_writeb: clear int status failed: %d", ret); | |
948 | return ret; | |
949 | } | |
950 | } | |
951 | ||
952 | return 0; | |
953 | } | |
954 | ||
789221ec BZ |
955 | static void btmrvl_sdio_interrupt(struct sdio_func *func) |
956 | { | |
957 | struct btmrvl_private *priv; | |
789221ec | 958 | struct btmrvl_sdio_card *card; |
d1d10d78 | 959 | ulong flags; |
789221ec | 960 | u8 ireg = 0; |
d1d10d78 | 961 | int ret; |
789221ec | 962 | |
789221ec | 963 | card = sdio_get_drvdata(func); |
d1d10d78 | 964 | if (!card || !card->priv) { |
7365d475 AK |
965 | BT_ERR("sbi_interrupt(%p) card or priv is NULL, card=%p", |
966 | func, card); | |
d1d10d78 AK |
967 | return; |
968 | } | |
789221ec | 969 | |
d1d10d78 | 970 | priv = card->priv; |
789221ec | 971 | |
7b4b8740 AK |
972 | if (priv->surprise_removed) |
973 | return; | |
974 | ||
0d367408 BZ |
975 | if (card->reg->int_read_to_clear) |
976 | ret = btmrvl_sdio_read_to_clear(card, &ireg); | |
977 | else | |
978 | ret = btmrvl_sdio_write_to_clear(card, &ireg); | |
979 | ||
8af4840a | 980 | if (ret) |
d1d10d78 | 981 | return; |
d1d10d78 AK |
982 | |
983 | spin_lock_irqsave(&priv->driver_lock, flags); | |
984 | sdio_ireg |= ireg; | |
985 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
986 | ||
987 | btmrvl_interrupt(priv); | |
789221ec BZ |
988 | } |
989 | ||
990 | static int btmrvl_sdio_register_dev(struct btmrvl_sdio_card *card) | |
991 | { | |
789221ec | 992 | struct sdio_func *func; |
dcf47f3b | 993 | u8 reg; |
a5c2f4c1 | 994 | int ret; |
789221ec | 995 | |
789221ec BZ |
996 | if (!card || !card->func) { |
997 | BT_ERR("Error: card or function is NULL!"); | |
998 | ret = -EINVAL; | |
999 | goto failed; | |
1000 | } | |
1001 | ||
1002 | func = card->func; | |
1003 | ||
789221ec BZ |
1004 | sdio_claim_host(func); |
1005 | ||
1006 | ret = sdio_enable_func(func); | |
1007 | if (ret) { | |
1008 | BT_ERR("sdio_enable_func() failed: ret=%d", ret); | |
1009 | ret = -EIO; | |
1010 | goto release_host; | |
1011 | } | |
1012 | ||
1013 | ret = sdio_claim_irq(func, btmrvl_sdio_interrupt); | |
1014 | if (ret) { | |
1015 | BT_ERR("sdio_claim_irq failed: ret=%d", ret); | |
1016 | ret = -EIO; | |
1017 | goto disable_func; | |
1018 | } | |
1019 | ||
1020 | ret = sdio_set_block_size(card->func, SDIO_BLOCK_SIZE); | |
1021 | if (ret) { | |
1022 | BT_ERR("cannot set SDIO block size"); | |
1023 | ret = -EIO; | |
1024 | goto release_irq; | |
1025 | } | |
1026 | ||
9f72c1d9 | 1027 | reg = sdio_readb(func, card->reg->io_port_0, &ret); |
789221ec BZ |
1028 | if (ret < 0) { |
1029 | ret = -EIO; | |
1030 | goto release_irq; | |
1031 | } | |
1032 | ||
1033 | card->ioport = reg; | |
1034 | ||
9f72c1d9 | 1035 | reg = sdio_readb(func, card->reg->io_port_1, &ret); |
789221ec BZ |
1036 | if (ret < 0) { |
1037 | ret = -EIO; | |
1038 | goto release_irq; | |
1039 | } | |
1040 | ||
1041 | card->ioport |= (reg << 8); | |
1042 | ||
9f72c1d9 | 1043 | reg = sdio_readb(func, card->reg->io_port_2, &ret); |
789221ec BZ |
1044 | if (ret < 0) { |
1045 | ret = -EIO; | |
1046 | goto release_irq; | |
1047 | } | |
1048 | ||
1049 | card->ioport |= (reg << 16); | |
1050 | ||
1051 | BT_DBG("SDIO FUNC%d IO port: 0x%x", func->num, card->ioport); | |
1052 | ||
0d367408 BZ |
1053 | if (card->reg->int_read_to_clear) { |
1054 | reg = sdio_readb(func, card->reg->host_int_rsr, &ret); | |
1055 | if (ret < 0) { | |
1056 | ret = -EIO; | |
1057 | goto release_irq; | |
1058 | } | |
1059 | sdio_writeb(func, reg | 0x3f, card->reg->host_int_rsr, &ret); | |
1060 | if (ret < 0) { | |
1061 | ret = -EIO; | |
1062 | goto release_irq; | |
1063 | } | |
1064 | ||
1065 | reg = sdio_readb(func, card->reg->card_misc_cfg, &ret); | |
1066 | if (ret < 0) { | |
1067 | ret = -EIO; | |
1068 | goto release_irq; | |
1069 | } | |
1070 | sdio_writeb(func, reg | 0x10, card->reg->card_misc_cfg, &ret); | |
1071 | if (ret < 0) { | |
1072 | ret = -EIO; | |
1073 | goto release_irq; | |
1074 | } | |
1075 | } | |
1076 | ||
789221ec BZ |
1077 | sdio_set_drvdata(func, card); |
1078 | ||
1079 | sdio_release_host(func); | |
1080 | ||
789221ec BZ |
1081 | return 0; |
1082 | ||
1083 | release_irq: | |
1084 | sdio_release_irq(func); | |
1085 | ||
1086 | disable_func: | |
1087 | sdio_disable_func(func); | |
1088 | ||
1089 | release_host: | |
1090 | sdio_release_host(func); | |
1091 | ||
1092 | failed: | |
789221ec BZ |
1093 | return ret; |
1094 | } | |
1095 | ||
1096 | static int btmrvl_sdio_unregister_dev(struct btmrvl_sdio_card *card) | |
1097 | { | |
789221ec BZ |
1098 | if (card && card->func) { |
1099 | sdio_claim_host(card->func); | |
1100 | sdio_release_irq(card->func); | |
1101 | sdio_disable_func(card->func); | |
1102 | sdio_release_host(card->func); | |
1103 | sdio_set_drvdata(card->func, NULL); | |
1104 | } | |
1105 | ||
789221ec BZ |
1106 | return 0; |
1107 | } | |
1108 | ||
1109 | static int btmrvl_sdio_enable_host_int(struct btmrvl_sdio_card *card) | |
1110 | { | |
1111 | int ret; | |
1112 | ||
9374253f | 1113 | if (!card || !card->func) |
789221ec | 1114 | return -EINVAL; |
789221ec BZ |
1115 | |
1116 | sdio_claim_host(card->func); | |
1117 | ||
1118 | ret = btmrvl_sdio_enable_host_int_mask(card, HIM_ENABLE); | |
1119 | ||
1120 | btmrvl_sdio_get_rx_unit(card); | |
1121 | ||
1122 | sdio_release_host(card->func); | |
1123 | ||
789221ec BZ |
1124 | return ret; |
1125 | } | |
1126 | ||
1127 | static int btmrvl_sdio_disable_host_int(struct btmrvl_sdio_card *card) | |
1128 | { | |
1129 | int ret; | |
1130 | ||
9374253f | 1131 | if (!card || !card->func) |
789221ec | 1132 | return -EINVAL; |
789221ec BZ |
1133 | |
1134 | sdio_claim_host(card->func); | |
1135 | ||
1136 | ret = btmrvl_sdio_disable_host_int_mask(card, HIM_DISABLE); | |
1137 | ||
1138 | sdio_release_host(card->func); | |
1139 | ||
789221ec BZ |
1140 | return ret; |
1141 | } | |
1142 | ||
1143 | static int btmrvl_sdio_host_to_card(struct btmrvl_private *priv, | |
1144 | u8 *payload, u16 nb) | |
1145 | { | |
1146 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1147 | int ret = 0; | |
789221ec BZ |
1148 | int blksz; |
1149 | int i = 0; | |
1150 | u8 *buf = NULL; | |
1151 | void *tmpbuf = NULL; | |
1152 | int tmpbufsz; | |
1153 | ||
789221ec BZ |
1154 | if (!card || !card->func) { |
1155 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1156 | return -EINVAL; |
1157 | } | |
1158 | ||
d2f30240 RL |
1159 | blksz = DIV_ROUND_UP(nb, SDIO_BLOCK_SIZE) * SDIO_BLOCK_SIZE; |
1160 | ||
789221ec | 1161 | buf = payload; |
d2f30240 RL |
1162 | if ((unsigned long) payload & (BTSDIO_DMA_ALIGN - 1) || |
1163 | nb < blksz) { | |
1164 | tmpbufsz = ALIGN_SZ(blksz, BTSDIO_DMA_ALIGN) + | |
1165 | BTSDIO_DMA_ALIGN; | |
5959809d JL |
1166 | tmpbuf = kzalloc(tmpbufsz, GFP_KERNEL); |
1167 | if (!tmpbuf) | |
1168 | return -ENOMEM; | |
789221ec BZ |
1169 | buf = (u8 *) ALIGN_ADDR(tmpbuf, BTSDIO_DMA_ALIGN); |
1170 | memcpy(buf, payload, nb); | |
1171 | } | |
1172 | ||
789221ec BZ |
1173 | sdio_claim_host(card->func); |
1174 | ||
1175 | do { | |
1176 | /* Transfer data to card */ | |
1177 | ret = sdio_writesb(card->func, card->ioport, buf, | |
d2f30240 | 1178 | blksz); |
789221ec BZ |
1179 | if (ret < 0) { |
1180 | i++; | |
1181 | BT_ERR("i=%d writesb failed: %d", i, ret); | |
78c1b8e8 | 1182 | BT_ERR("hex: %*ph", nb, payload); |
789221ec BZ |
1183 | ret = -EIO; |
1184 | if (i > MAX_WRITE_IOMEM_RETRY) | |
1185 | goto exit; | |
1186 | } | |
1187 | } while (ret); | |
1188 | ||
1189 | priv->btmrvl_dev.tx_dnld_rdy = false; | |
1190 | ||
1191 | exit: | |
1192 | sdio_release_host(card->func); | |
88d1a0cf | 1193 | kfree(tmpbuf); |
789221ec | 1194 | |
789221ec BZ |
1195 | return ret; |
1196 | } | |
1197 | ||
1198 | static int btmrvl_sdio_download_fw(struct btmrvl_sdio_card *card) | |
1199 | { | |
faff7f74 | 1200 | int ret; |
9f72c1d9 KG |
1201 | u8 fws0; |
1202 | int pollnum = MAX_POLL_TRIES; | |
789221ec | 1203 | |
789221ec BZ |
1204 | if (!card || !card->func) { |
1205 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1206 | return -EINVAL; |
1207 | } | |
789221ec BZ |
1208 | |
1209 | if (!btmrvl_sdio_verify_fw_download(card, 1)) { | |
1210 | BT_DBG("Firmware already downloaded!"); | |
c1c999e2 | 1211 | return 0; |
789221ec BZ |
1212 | } |
1213 | ||
c1c999e2 AF |
1214 | sdio_claim_host(card->func); |
1215 | ||
9f72c1d9 KG |
1216 | /* Check if other function driver is downloading the firmware */ |
1217 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); | |
789221ec | 1218 | if (ret) { |
9f72c1d9 | 1219 | BT_ERR("Failed to read FW downloading status!"); |
789221ec BZ |
1220 | ret = -EIO; |
1221 | goto done; | |
1222 | } | |
9f72c1d9 KG |
1223 | if (fws0) { |
1224 | BT_DBG("BT not the winner (%#x). Skip FW downloading", fws0); | |
1225 | ||
1226 | /* Give other function more time to download the firmware */ | |
1227 | pollnum *= 10; | |
1228 | } else { | |
1229 | if (card->helper) { | |
1230 | ret = btmrvl_sdio_download_helper(card); | |
1231 | if (ret) { | |
1232 | BT_ERR("Failed to download helper!"); | |
1233 | ret = -EIO; | |
1234 | goto done; | |
1235 | } | |
1236 | } | |
789221ec | 1237 | |
9f72c1d9 KG |
1238 | if (btmrvl_sdio_download_fw_w_helper(card)) { |
1239 | BT_ERR("Failed to download firmware!"); | |
1240 | ret = -EIO; | |
1241 | goto done; | |
1242 | } | |
789221ec BZ |
1243 | } |
1244 | ||
69676b1c AF |
1245 | /* |
1246 | * winner or not, with this test the FW synchronizes when the | |
1247 | * module can continue its initialization | |
1248 | */ | |
9f72c1d9 | 1249 | if (btmrvl_sdio_verify_fw_download(card, pollnum)) { |
789221ec | 1250 | BT_ERR("FW failed to be active in time!"); |
86f7ac77 CRL |
1251 | ret = -ETIMEDOUT; |
1252 | goto done; | |
789221ec BZ |
1253 | } |
1254 | ||
4863e4cc AN |
1255 | sdio_release_host(card->func); |
1256 | ||
c1c999e2 AF |
1257 | return 0; |
1258 | ||
789221ec BZ |
1259 | done: |
1260 | sdio_release_host(card->func); | |
789221ec BZ |
1261 | return ret; |
1262 | } | |
1263 | ||
1264 | static int btmrvl_sdio_wakeup_fw(struct btmrvl_private *priv) | |
1265 | { | |
1266 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1267 | int ret = 0; | |
1268 | ||
789221ec BZ |
1269 | if (!card || !card->func) { |
1270 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1271 | return -EINVAL; |
1272 | } | |
1273 | ||
1274 | sdio_claim_host(card->func); | |
1275 | ||
9f72c1d9 | 1276 | sdio_writeb(card->func, HOST_POWER_UP, card->reg->cfg, &ret); |
789221ec BZ |
1277 | |
1278 | sdio_release_host(card->func); | |
1279 | ||
1280 | BT_DBG("wake up firmware"); | |
1281 | ||
789221ec BZ |
1282 | return ret; |
1283 | } | |
1284 | ||
dc759613 XH |
1285 | static void btmrvl_sdio_dump_regs(struct btmrvl_private *priv) |
1286 | { | |
1287 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1288 | int ret = 0; | |
1289 | unsigned int reg, reg_start, reg_end; | |
1290 | char buf[256], *ptr; | |
1291 | u8 loop, func, data; | |
1292 | int MAX_LOOP = 2; | |
1293 | ||
1294 | btmrvl_sdio_wakeup_fw(priv); | |
1295 | sdio_claim_host(card->func); | |
1296 | ||
1297 | for (loop = 0; loop < MAX_LOOP; loop++) { | |
1298 | memset(buf, 0, sizeof(buf)); | |
1299 | ptr = buf; | |
1300 | ||
1301 | if (loop == 0) { | |
1302 | /* Read the registers of SDIO function0 */ | |
1303 | func = loop; | |
1304 | reg_start = 0; | |
1305 | reg_end = 9; | |
1306 | } else { | |
1307 | func = 2; | |
1308 | reg_start = 0; | |
1309 | reg_end = 0x09; | |
1310 | } | |
1311 | ||
1312 | ptr += sprintf(ptr, "SDIO Func%d (%#x-%#x): ", | |
1313 | func, reg_start, reg_end); | |
1314 | for (reg = reg_start; reg <= reg_end; reg++) { | |
1315 | if (func == 0) | |
1316 | data = sdio_f0_readb(card->func, reg, &ret); | |
1317 | else | |
1318 | data = sdio_readb(card->func, reg, &ret); | |
1319 | ||
1320 | if (!ret) { | |
1321 | ptr += sprintf(ptr, "%02x ", data); | |
1322 | } else { | |
1323 | ptr += sprintf(ptr, "ERR"); | |
1324 | break; | |
1325 | } | |
1326 | } | |
1327 | ||
1328 | BT_INFO("%s", buf); | |
1329 | } | |
1330 | ||
1331 | sdio_release_host(card->func); | |
1332 | } | |
1333 | ||
1334 | /* This function read/write firmware */ | |
1335 | static enum | |
1336 | rdwr_status btmrvl_sdio_rdwr_firmware(struct btmrvl_private *priv, | |
1337 | u8 doneflag) | |
1338 | { | |
1339 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1340 | int ret, tries; | |
1341 | u8 ctrl_data = 0; | |
1342 | ||
1343 | sdio_writeb(card->func, FW_DUMP_HOST_READY, card->reg->fw_dump_ctrl, | |
1344 | &ret); | |
1345 | ||
1346 | if (ret) { | |
1347 | BT_ERR("SDIO write err"); | |
1348 | return RDWR_STATUS_FAILURE; | |
1349 | } | |
1350 | ||
1351 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
1352 | ctrl_data = sdio_readb(card->func, card->reg->fw_dump_ctrl, | |
1353 | &ret); | |
1354 | ||
1355 | if (ret) { | |
1356 | BT_ERR("SDIO read err"); | |
1357 | return RDWR_STATUS_FAILURE; | |
1358 | } | |
1359 | ||
1360 | if (ctrl_data == FW_DUMP_DONE) | |
1361 | break; | |
1362 | if (doneflag && ctrl_data == doneflag) | |
1363 | return RDWR_STATUS_DONE; | |
1364 | if (ctrl_data != FW_DUMP_HOST_READY) { | |
1365 | BT_INFO("The ctrl reg was changed, re-try again!"); | |
1366 | sdio_writeb(card->func, FW_DUMP_HOST_READY, | |
1367 | card->reg->fw_dump_ctrl, &ret); | |
1368 | if (ret) { | |
1369 | BT_ERR("SDIO write err"); | |
1370 | return RDWR_STATUS_FAILURE; | |
1371 | } | |
1372 | } | |
1373 | usleep_range(100, 200); | |
1374 | } | |
1375 | ||
1376 | if (ctrl_data == FW_DUMP_HOST_READY) { | |
1377 | BT_ERR("Fail to pull ctrl_data"); | |
1378 | return RDWR_STATUS_FAILURE; | |
1379 | } | |
1380 | ||
1381 | return RDWR_STATUS_SUCCESS; | |
1382 | } | |
1383 | ||
1384 | /* This function dump sdio register and memory data */ | |
45650499 | 1385 | static void btmrvl_sdio_coredump(struct device *dev) |
dc759613 | 1386 | { |
45650499 AS |
1387 | struct sdio_func *func = dev_to_sdio_func(dev); |
1388 | struct btmrvl_sdio_card *card; | |
1389 | struct btmrvl_private *priv; | |
dc759613 XH |
1390 | int ret = 0; |
1391 | unsigned int reg, reg_start, reg_end; | |
1392 | enum rdwr_status stat; | |
1393 | u8 *dbg_ptr, *end_ptr, *fw_dump_data, *fw_dump_ptr; | |
a1e85f04 | 1394 | u8 dump_num = 0, idx, i, read_reg, doneflag = 0; |
dc759613 XH |
1395 | u32 memory_size, fw_dump_len = 0; |
1396 | ||
45650499 AS |
1397 | card = sdio_get_drvdata(func); |
1398 | priv = card->priv; | |
1399 | ||
dc759613 XH |
1400 | /* dump sdio register first */ |
1401 | btmrvl_sdio_dump_regs(priv); | |
1402 | ||
1403 | if (!card->supports_fw_dump) { | |
1404 | BT_ERR("Firmware dump not supported for this card!"); | |
1405 | return; | |
1406 | } | |
1407 | ||
1408 | for (idx = 0; idx < ARRAY_SIZE(mem_type_mapping_tbl); idx++) { | |
1409 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1410 | ||
1411 | if (entry->mem_ptr) { | |
1412 | vfree(entry->mem_ptr); | |
1413 | entry->mem_ptr = NULL; | |
1414 | } | |
1415 | entry->mem_size = 0; | |
1416 | } | |
1417 | ||
1418 | btmrvl_sdio_wakeup_fw(priv); | |
1419 | sdio_claim_host(card->func); | |
1420 | ||
1421 | BT_INFO("== btmrvl firmware dump start =="); | |
1422 | ||
1423 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1424 | if (stat == RDWR_STATUS_FAILURE) | |
1425 | goto done; | |
1426 | ||
1427 | reg = card->reg->fw_dump_start; | |
1428 | /* Read the number of the memories which will dump */ | |
1429 | dump_num = sdio_readb(card->func, reg, &ret); | |
1430 | ||
1431 | if (ret) { | |
1432 | BT_ERR("SDIO read memory length err"); | |
1433 | goto done; | |
1434 | } | |
1435 | ||
1436 | /* Read the length of every memory which will dump */ | |
1437 | for (idx = 0; idx < dump_num; idx++) { | |
1438 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1439 | ||
1440 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1441 | if (stat == RDWR_STATUS_FAILURE) | |
1442 | goto done; | |
1443 | ||
1444 | memory_size = 0; | |
1445 | reg = card->reg->fw_dump_start; | |
1446 | for (i = 0; i < 4; i++) { | |
1447 | read_reg = sdio_readb(card->func, reg, &ret); | |
1448 | if (ret) { | |
1449 | BT_ERR("SDIO read err"); | |
1450 | goto done; | |
1451 | } | |
1452 | memory_size |= (read_reg << i*8); | |
1453 | reg++; | |
1454 | } | |
1455 | ||
1456 | if (memory_size == 0) { | |
1457 | BT_INFO("Firmware dump finished!"); | |
475b9eac NK |
1458 | sdio_writeb(card->func, FW_DUMP_READ_DONE, |
1459 | card->reg->fw_dump_ctrl, &ret); | |
1460 | if (ret) { | |
1461 | BT_ERR("SDIO Write MEMDUMP_FINISH ERR"); | |
1462 | goto done; | |
1463 | } | |
dc759613 XH |
1464 | break; |
1465 | } | |
1466 | ||
1467 | BT_INFO("%s_SIZE=0x%x", entry->mem_name, memory_size); | |
1468 | entry->mem_ptr = vzalloc(memory_size + 1); | |
1469 | entry->mem_size = memory_size; | |
1470 | if (!entry->mem_ptr) { | |
1471 | BT_ERR("Vzalloc %s failed", entry->mem_name); | |
1472 | goto done; | |
1473 | } | |
1474 | ||
1475 | fw_dump_len += (strlen("========Start dump ") + | |
1476 | strlen(entry->mem_name) + | |
1477 | strlen("========\n") + | |
1478 | (memory_size + 1) + | |
1479 | strlen("\n========End dump========\n")); | |
1480 | ||
1481 | dbg_ptr = entry->mem_ptr; | |
1482 | end_ptr = dbg_ptr + memory_size; | |
1483 | ||
1484 | doneflag = entry->done_flag; | |
1485 | BT_INFO("Start %s output, please wait...", | |
1486 | entry->mem_name); | |
1487 | ||
1488 | do { | |
1489 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1490 | if (stat == RDWR_STATUS_FAILURE) | |
1491 | goto done; | |
1492 | ||
1493 | reg_start = card->reg->fw_dump_start; | |
1494 | reg_end = card->reg->fw_dump_end; | |
1495 | for (reg = reg_start; reg <= reg_end; reg++) { | |
1496 | *dbg_ptr = sdio_readb(card->func, reg, &ret); | |
1497 | if (ret) { | |
1498 | BT_ERR("SDIO read err"); | |
1499 | goto done; | |
1500 | } | |
1501 | if (dbg_ptr < end_ptr) | |
1502 | dbg_ptr++; | |
1503 | else | |
1504 | BT_ERR("Allocated buffer not enough"); | |
1505 | } | |
1506 | ||
1507 | if (stat != RDWR_STATUS_DONE) { | |
1508 | continue; | |
1509 | } else { | |
1510 | BT_INFO("%s done: size=0x%tx", | |
1511 | entry->mem_name, | |
1512 | dbg_ptr - entry->mem_ptr); | |
1513 | break; | |
1514 | } | |
1515 | } while (1); | |
1516 | } | |
1517 | ||
1518 | BT_INFO("== btmrvl firmware dump end =="); | |
1519 | ||
1520 | done: | |
1521 | sdio_release_host(card->func); | |
1522 | ||
1523 | if (fw_dump_len == 0) | |
1524 | return; | |
1525 | ||
1526 | fw_dump_data = vzalloc(fw_dump_len+1); | |
1527 | if (!fw_dump_data) { | |
1528 | BT_ERR("Vzalloc fw_dump_data fail!"); | |
1529 | return; | |
1530 | } | |
1531 | fw_dump_ptr = fw_dump_data; | |
1532 | ||
1533 | /* Dump all the memory data into single file, a userspace script will | |
d98422cb DR |
1534 | * be used to split all the memory data to multiple files |
1535 | */ | |
dc759613 XH |
1536 | BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump start"); |
1537 | for (idx = 0; idx < dump_num; idx++) { | |
1538 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1539 | ||
1540 | if (entry->mem_ptr) { | |
1541 | strcpy(fw_dump_ptr, "========Start dump "); | |
1542 | fw_dump_ptr += strlen("========Start dump "); | |
1543 | ||
1544 | strcpy(fw_dump_ptr, entry->mem_name); | |
1545 | fw_dump_ptr += strlen(entry->mem_name); | |
1546 | ||
1547 | strcpy(fw_dump_ptr, "========\n"); | |
1548 | fw_dump_ptr += strlen("========\n"); | |
1549 | ||
1550 | memcpy(fw_dump_ptr, entry->mem_ptr, entry->mem_size); | |
1551 | fw_dump_ptr += entry->mem_size; | |
1552 | ||
1553 | strcpy(fw_dump_ptr, "\n========End dump========\n"); | |
1554 | fw_dump_ptr += strlen("\n========End dump========\n"); | |
1555 | ||
1556 | vfree(mem_type_mapping_tbl[idx].mem_ptr); | |
1557 | mem_type_mapping_tbl[idx].mem_ptr = NULL; | |
1558 | } | |
1559 | } | |
1560 | ||
1561 | /* fw_dump_data will be free in device coredump release function | |
d98422cb DR |
1562 | * after 5 min |
1563 | */ | |
d4902632 | 1564 | dev_coredumpv(&card->func->dev, fw_dump_data, fw_dump_len, GFP_KERNEL); |
dc759613 XH |
1565 | BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump end"); |
1566 | } | |
1567 | ||
789221ec | 1568 | static int btmrvl_sdio_probe(struct sdio_func *func, |
dcf47f3b | 1569 | const struct sdio_device_id *id) |
789221ec BZ |
1570 | { |
1571 | int ret = 0; | |
1572 | struct btmrvl_private *priv = NULL; | |
1573 | struct btmrvl_sdio_card *card = NULL; | |
1574 | ||
789221ec BZ |
1575 | BT_INFO("vendor=0x%x, device=0x%x, class=%d, fn=%d", |
1576 | id->vendor, id->device, id->class, func->num); | |
1577 | ||
eb17ea3b SK |
1578 | card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL); |
1579 | if (!card) | |
1580 | return -ENOMEM; | |
789221ec BZ |
1581 | |
1582 | card->func = func; | |
1583 | ||
dcf47f3b MH |
1584 | if (id->driver_data) { |
1585 | struct btmrvl_sdio_device *data = (void *) id->driver_data; | |
9f72c1d9 | 1586 | card->helper = data->helper; |
dcf47f3b | 1587 | card->firmware = data->firmware; |
9f72c1d9 KG |
1588 | card->reg = data->reg; |
1589 | card->sd_blksz_fw_dl = data->sd_blksz_fw_dl; | |
4df82b59 | 1590 | card->support_pscan_win_report = data->support_pscan_win_report; |
dc759613 | 1591 | card->supports_fw_dump = data->supports_fw_dump; |
dcf47f3b MH |
1592 | } |
1593 | ||
789221ec BZ |
1594 | if (btmrvl_sdio_register_dev(card) < 0) { |
1595 | BT_ERR("Failed to register BT device!"); | |
eb17ea3b | 1596 | return -ENODEV; |
789221ec BZ |
1597 | } |
1598 | ||
1599 | /* Disable the interrupts on the card */ | |
1600 | btmrvl_sdio_disable_host_int(card); | |
1601 | ||
1602 | if (btmrvl_sdio_download_fw(card)) { | |
1603 | BT_ERR("Downloading firmware failed!"); | |
1604 | ret = -ENODEV; | |
1605 | goto unreg_dev; | |
1606 | } | |
1607 | ||
789221ec BZ |
1608 | btmrvl_sdio_enable_host_int(card); |
1609 | ||
bb7f4f0b XH |
1610 | /* Device tree node parsing and platform specific configuration*/ |
1611 | btmrvl_sdio_probe_of(&func->dev, card); | |
1612 | ||
789221ec BZ |
1613 | priv = btmrvl_add_card(card); |
1614 | if (!priv) { | |
1615 | BT_ERR("Initializing card failed!"); | |
1616 | ret = -ENODEV; | |
1617 | goto disable_host_int; | |
1618 | } | |
1619 | ||
1620 | card->priv = priv; | |
1621 | ||
1622 | /* Initialize the interface specific function pointers */ | |
1623 | priv->hw_host_to_card = btmrvl_sdio_host_to_card; | |
1624 | priv->hw_wakeup_firmware = btmrvl_sdio_wakeup_fw; | |
d1d10d78 | 1625 | priv->hw_process_int_status = btmrvl_sdio_process_int_status; |
789221ec | 1626 | |
64061607 BZ |
1627 | if (btmrvl_register_hdev(priv)) { |
1628 | BT_ERR("Register hdev failed!"); | |
1629 | ret = -ENODEV; | |
1630 | goto disable_host_int; | |
1631 | } | |
1632 | ||
789221ec BZ |
1633 | return 0; |
1634 | ||
1635 | disable_host_int: | |
1636 | btmrvl_sdio_disable_host_int(card); | |
1637 | unreg_dev: | |
1638 | btmrvl_sdio_unregister_dev(card); | |
789221ec BZ |
1639 | return ret; |
1640 | } | |
1641 | ||
1642 | static void btmrvl_sdio_remove(struct sdio_func *func) | |
1643 | { | |
1644 | struct btmrvl_sdio_card *card; | |
1645 | ||
789221ec BZ |
1646 | if (func) { |
1647 | card = sdio_get_drvdata(func); | |
1648 | if (card) { | |
1649 | /* Send SHUTDOWN command & disable interrupt | |
1650 | * if user removes the module. | |
1651 | */ | |
1652 | if (user_rmmod) { | |
1653 | btmrvl_send_module_cfg_cmd(card->priv, | |
1654 | MODULE_SHUTDOWN_REQ); | |
1655 | btmrvl_sdio_disable_host_int(card); | |
1656 | } | |
92322599 | 1657 | BT_DBG("unregister dev"); |
7b4b8740 | 1658 | card->priv->surprise_removed = true; |
789221ec BZ |
1659 | btmrvl_sdio_unregister_dev(card); |
1660 | btmrvl_remove_card(card->priv); | |
789221ec BZ |
1661 | } |
1662 | } | |
789221ec BZ |
1663 | } |
1664 | ||
ba54a16f AK |
1665 | static int btmrvl_sdio_suspend(struct device *dev) |
1666 | { | |
1667 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1668 | struct btmrvl_sdio_card *card; | |
1669 | struct btmrvl_private *priv; | |
1670 | mmc_pm_flag_t pm_flags; | |
1671 | struct hci_dev *hcidev; | |
1672 | ||
1673 | if (func) { | |
1674 | pm_flags = sdio_get_host_pm_caps(func); | |
1675 | BT_DBG("%s: suspend: PM flags = 0x%x", sdio_func_id(func), | |
1676 | pm_flags); | |
1677 | if (!(pm_flags & MMC_PM_KEEP_POWER)) { | |
1678 | BT_ERR("%s: cannot remain alive while suspended", | |
1679 | sdio_func_id(func)); | |
1680 | return -ENOSYS; | |
1681 | } | |
1682 | card = sdio_get_drvdata(func); | |
1683 | if (!card || !card->priv) { | |
1684 | BT_ERR("card or priv structure is not valid"); | |
1685 | return 0; | |
1686 | } | |
1687 | } else { | |
1688 | BT_ERR("sdio_func is not specified"); | |
1689 | return 0; | |
1690 | } | |
1691 | ||
bb7f4f0b XH |
1692 | /* Enable platform specific wakeup interrupt */ |
1693 | if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0) { | |
1694 | card->plt_wake_cfg->wake_by_bt = false; | |
1695 | enable_irq(card->plt_wake_cfg->irq_bt); | |
1696 | enable_irq_wake(card->plt_wake_cfg->irq_bt); | |
1697 | } | |
1698 | ||
ba54a16f | 1699 | priv = card->priv; |
8cf60cf2 | 1700 | priv->adapter->is_suspending = true; |
5bf8a748 CRL |
1701 | hcidev = priv->btmrvl_dev.hcidev; |
1702 | BT_DBG("%s: SDIO suspend", hcidev->name); | |
1703 | hci_suspend_dev(hcidev); | |
ba54a16f AK |
1704 | |
1705 | if (priv->adapter->hs_state != HS_ACTIVATED) { | |
1706 | if (btmrvl_enable_hs(priv)) { | |
8f91566f | 1707 | BT_ERR("HS not activated, suspend failed!"); |
6eb7bd66 XH |
1708 | /* Disable platform specific wakeup interrupt */ |
1709 | if (card->plt_wake_cfg && | |
1710 | card->plt_wake_cfg->irq_bt >= 0) { | |
1711 | disable_irq_wake(card->plt_wake_cfg->irq_bt); | |
1712 | disable_irq(card->plt_wake_cfg->irq_bt); | |
1713 | } | |
1714 | ||
e7acf430 | 1715 | priv->adapter->is_suspending = false; |
ba54a16f AK |
1716 | return -EBUSY; |
1717 | } | |
1718 | } | |
ba54a16f | 1719 | |
8cf60cf2 | 1720 | priv->adapter->is_suspending = false; |
ba54a16f AK |
1721 | priv->adapter->is_suspended = true; |
1722 | ||
1723 | /* We will keep the power when hs enabled successfully */ | |
1724 | if (priv->adapter->hs_state == HS_ACTIVATED) { | |
1725 | BT_DBG("suspend with MMC_PM_KEEP_POWER"); | |
1726 | return sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); | |
ba54a16f | 1727 | } |
f1554b7b | 1728 | |
1729 | BT_DBG("suspend without MMC_PM_KEEP_POWER"); | |
1730 | return 0; | |
ba54a16f AK |
1731 | } |
1732 | ||
1733 | static int btmrvl_sdio_resume(struct device *dev) | |
1734 | { | |
1735 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1736 | struct btmrvl_sdio_card *card; | |
1737 | struct btmrvl_private *priv; | |
1738 | mmc_pm_flag_t pm_flags; | |
1739 | struct hci_dev *hcidev; | |
1740 | ||
1741 | if (func) { | |
1742 | pm_flags = sdio_get_host_pm_caps(func); | |
1743 | BT_DBG("%s: resume: PM flags = 0x%x", sdio_func_id(func), | |
1744 | pm_flags); | |
1745 | card = sdio_get_drvdata(func); | |
1746 | if (!card || !card->priv) { | |
1747 | BT_ERR("card or priv structure is not valid"); | |
1748 | return 0; | |
1749 | } | |
1750 | } else { | |
1751 | BT_ERR("sdio_func is not specified"); | |
1752 | return 0; | |
1753 | } | |
1754 | priv = card->priv; | |
1755 | ||
1756 | if (!priv->adapter->is_suspended) { | |
1757 | BT_DBG("device already resumed"); | |
1758 | return 0; | |
1759 | } | |
1760 | ||
ba54a16f AK |
1761 | priv->hw_wakeup_firmware(priv); |
1762 | priv->adapter->hs_state = HS_DEACTIVATED; | |
5bf8a748 | 1763 | hcidev = priv->btmrvl_dev.hcidev; |
ba54a16f | 1764 | BT_DBG("%s: HS DEACTIVATED in resume!", hcidev->name); |
5bf8a748 CRL |
1765 | priv->adapter->is_suspended = false; |
1766 | BT_DBG("%s: SDIO resume", hcidev->name); | |
1767 | hci_resume_dev(hcidev); | |
ba54a16f | 1768 | |
bb7f4f0b XH |
1769 | /* Disable platform specific wakeup interrupt */ |
1770 | if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0) { | |
1771 | disable_irq_wake(card->plt_wake_cfg->irq_bt); | |
9af02d86 JC |
1772 | disable_irq(card->plt_wake_cfg->irq_bt); |
1773 | if (card->plt_wake_cfg->wake_by_bt) | |
1774 | /* Undo our disable, since interrupt handler already | |
1775 | * did this. | |
1776 | */ | |
1777 | enable_irq(card->plt_wake_cfg->irq_bt); | |
bb7f4f0b XH |
1778 | } |
1779 | ||
ba54a16f AK |
1780 | return 0; |
1781 | } | |
1782 | ||
1783 | static const struct dev_pm_ops btmrvl_sdio_pm_ops = { | |
1784 | .suspend = btmrvl_sdio_suspend, | |
1785 | .resume = btmrvl_sdio_resume, | |
1786 | }; | |
1787 | ||
789221ec BZ |
1788 | static struct sdio_driver bt_mrvl_sdio = { |
1789 | .name = "btmrvl_sdio", | |
1790 | .id_table = btmrvl_sdio_ids, | |
1791 | .probe = btmrvl_sdio_probe, | |
1792 | .remove = btmrvl_sdio_remove, | |
ba54a16f AK |
1793 | .drv = { |
1794 | .owner = THIS_MODULE, | |
45650499 | 1795 | .coredump = btmrvl_sdio_coredump, |
ba54a16f AK |
1796 | .pm = &btmrvl_sdio_pm_ops, |
1797 | } | |
789221ec BZ |
1798 | }; |
1799 | ||
8e5b2308 | 1800 | static int __init btmrvl_sdio_init_module(void) |
789221ec | 1801 | { |
789221ec BZ |
1802 | if (sdio_register_driver(&bt_mrvl_sdio) != 0) { |
1803 | BT_ERR("SDIO Driver Registration Failed"); | |
789221ec BZ |
1804 | return -ENODEV; |
1805 | } | |
1806 | ||
1807 | /* Clear the flag in case user removes the card. */ | |
1808 | user_rmmod = 0; | |
1809 | ||
789221ec BZ |
1810 | return 0; |
1811 | } | |
1812 | ||
8e5b2308 | 1813 | static void __exit btmrvl_sdio_exit_module(void) |
789221ec | 1814 | { |
789221ec BZ |
1815 | /* Set the flag as user is removing this module. */ |
1816 | user_rmmod = 1; | |
1817 | ||
1818 | sdio_unregister_driver(&bt_mrvl_sdio); | |
789221ec BZ |
1819 | } |
1820 | ||
1821 | module_init(btmrvl_sdio_init_module); | |
1822 | module_exit(btmrvl_sdio_exit_module); | |
1823 | ||
1824 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 1825 | MODULE_DESCRIPTION("Marvell BT-over-SDIO driver ver " VERSION); |
789221ec BZ |
1826 | MODULE_VERSION(VERSION); |
1827 | MODULE_LICENSE("GPL v2"); | |
77189df4 LR |
1828 | MODULE_FIRMWARE("mrvl/sd8688_helper.bin"); |
1829 | MODULE_FIRMWARE("mrvl/sd8688.bin"); | |
9f72c1d9 | 1830 | MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin"); |
2ac654f7 | 1831 | MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin"); |
3907d558 | 1832 | MODULE_FIRMWARE("mrvl/sd8887_uapsta.bin"); |
22f2efed | 1833 | MODULE_FIRMWARE("mrvl/sd8897_uapsta.bin"); |
8c57983b | 1834 | MODULE_FIRMWARE("mrvl/sd8977_uapsta.bin"); |
73623340 | 1835 | MODULE_FIRMWARE("mrvl/sd8987_uapsta.bin"); |
f0ef6748 | 1836 | MODULE_FIRMWARE("mrvl/sd8997_uapsta.bin"); |