Commit | Line | Data |
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a86974f7 | 1 | /* |
789221ec BZ |
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 | } | |
e660b351 APS |
114 | |
115 | /* Configure wakeup (enabled by default) */ | |
116 | device_init_wakeup(dev, true); | |
bb7f4f0b XH |
117 | disable_irq(cfg->irq_bt); |
118 | } | |
119 | } | |
120 | ||
121 | return 0; | |
122 | } | |
123 | ||
789221ec BZ |
124 | /* The btmrvl_sdio_remove() callback function is called |
125 | * when user removes this module from kernel space or ejects | |
126 | * the card from the slot. The driver handles these 2 cases | |
127 | * differently. | |
128 | * If the user is removing the module, a MODULE_SHUTDOWN_REQ | |
129 | * command is sent to firmware and interrupt will be disabled. | |
130 | * If the card is removed, there is no need to send command | |
131 | * or disable interrupt. | |
132 | * | |
133 | * The variable 'user_rmmod' is used to distinguish these two | |
134 | * scenarios. This flag is initialized as FALSE in case the card | |
135 | * is removed, and will be set to TRUE for module removal when | |
136 | * module_exit function is called. | |
137 | */ | |
138 | static u8 user_rmmod; | |
d1d10d78 | 139 | static u8 sdio_ireg; |
789221ec | 140 | |
9f72c1d9 KG |
141 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8688 = { |
142 | .cfg = 0x03, | |
143 | .host_int_mask = 0x04, | |
144 | .host_intstatus = 0x05, | |
145 | .card_status = 0x20, | |
146 | .sq_read_base_addr_a0 = 0x10, | |
147 | .sq_read_base_addr_a1 = 0x11, | |
148 | .card_fw_status0 = 0x40, | |
149 | .card_fw_status1 = 0x41, | |
150 | .card_rx_len = 0x42, | |
151 | .card_rx_unit = 0x43, | |
152 | .io_port_0 = 0x00, | |
153 | .io_port_1 = 0x01, | |
154 | .io_port_2 = 0x02, | |
0d367408 | 155 | .int_read_to_clear = false, |
9f72c1d9 | 156 | }; |
2ac654f7 | 157 | static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = { |
9f72c1d9 KG |
158 | .cfg = 0x00, |
159 | .host_int_mask = 0x02, | |
160 | .host_intstatus = 0x03, | |
161 | .card_status = 0x30, | |
162 | .sq_read_base_addr_a0 = 0x40, | |
163 | .sq_read_base_addr_a1 = 0x41, | |
164 | .card_revision = 0x5c, | |
165 | .card_fw_status0 = 0x60, | |
166 | .card_fw_status1 = 0x61, | |
167 | .card_rx_len = 0x62, | |
168 | .card_rx_unit = 0x63, | |
169 | .io_port_0 = 0x78, | |
170 | .io_port_1 = 0x79, | |
171 | .io_port_2 = 0x7a, | |
0d367408 | 172 | .int_read_to_clear = false, |
9f72c1d9 KG |
173 | }; |
174 | ||
3907d558 XH |
175 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8887 = { |
176 | .cfg = 0x00, | |
177 | .host_int_mask = 0x08, | |
178 | .host_intstatus = 0x0C, | |
179 | .card_status = 0x5C, | |
180 | .sq_read_base_addr_a0 = 0x6C, | |
181 | .sq_read_base_addr_a1 = 0x6D, | |
182 | .card_revision = 0xC8, | |
183 | .card_fw_status0 = 0x88, | |
184 | .card_fw_status1 = 0x89, | |
185 | .card_rx_len = 0x8A, | |
186 | .card_rx_unit = 0x8B, | |
187 | .io_port_0 = 0xE4, | |
188 | .io_port_1 = 0xE5, | |
189 | .io_port_2 = 0xE6, | |
190 | .int_read_to_clear = true, | |
191 | .host_int_rsr = 0x04, | |
192 | .card_misc_cfg = 0xD8, | |
193 | }; | |
194 | ||
1e3e492c | 195 | static const struct btmrvl_sdio_card_reg btmrvl_reg_8897 = { |
22f2efed BZ |
196 | .cfg = 0x00, |
197 | .host_int_mask = 0x02, | |
198 | .host_intstatus = 0x03, | |
199 | .card_status = 0x50, | |
200 | .sq_read_base_addr_a0 = 0x60, | |
201 | .sq_read_base_addr_a1 = 0x61, | |
202 | .card_revision = 0xbc, | |
203 | .card_fw_status0 = 0xc0, | |
204 | .card_fw_status1 = 0xc1, | |
205 | .card_rx_len = 0xc2, | |
206 | .card_rx_unit = 0xc3, | |
207 | .io_port_0 = 0xd8, | |
208 | .io_port_1 = 0xd9, | |
209 | .io_port_2 = 0xda, | |
0d367408 BZ |
210 | .int_read_to_clear = true, |
211 | .host_int_rsr = 0x01, | |
212 | .card_misc_cfg = 0xcc, | |
dc759613 XH |
213 | .fw_dump_ctrl = 0xe2, |
214 | .fw_dump_start = 0xe3, | |
215 | .fw_dump_end = 0xea, | |
22f2efed BZ |
216 | }; |
217 | ||
7cfc21e9 | 218 | static const struct btmrvl_sdio_card_reg btmrvl_reg_89xx = { |
73623340 TS |
219 | .cfg = 0x00, |
220 | .host_int_mask = 0x08, | |
221 | .host_intstatus = 0x0c, | |
222 | .card_status = 0x5c, | |
223 | .sq_read_base_addr_a0 = 0xf8, | |
224 | .sq_read_base_addr_a1 = 0xf9, | |
225 | .card_revision = 0xc8, | |
226 | .card_fw_status0 = 0xe8, | |
227 | .card_fw_status1 = 0xe9, | |
228 | .card_rx_len = 0xea, | |
229 | .card_rx_unit = 0xeb, | |
230 | .io_port_0 = 0xe4, | |
231 | .io_port_1 = 0xe5, | |
232 | .io_port_2 = 0xe6, | |
233 | .int_read_to_clear = true, | |
234 | .host_int_rsr = 0x04, | |
235 | .card_misc_cfg = 0xd8, | |
236 | .fw_dump_ctrl = 0xf0, | |
237 | .fw_dump_start = 0xf1, | |
238 | .fw_dump_end = 0xf8, | |
239 | }; | |
240 | ||
c675786a | 241 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = { |
77189df4 LR |
242 | .helper = "mrvl/sd8688_helper.bin", |
243 | .firmware = "mrvl/sd8688.bin", | |
9f72c1d9 | 244 | .reg = &btmrvl_reg_8688, |
4df82b59 | 245 | .support_pscan_win_report = false, |
9f72c1d9 | 246 | .sd_blksz_fw_dl = 64, |
dc759613 | 247 | .supports_fw_dump = false, |
9f72c1d9 KG |
248 | }; |
249 | ||
250 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = { | |
251 | .helper = NULL, | |
252 | .firmware = "mrvl/sd8787_uapsta.bin", | |
2ac654f7 | 253 | .reg = &btmrvl_reg_87xx, |
4df82b59 | 254 | .support_pscan_win_report = false, |
2ac654f7 | 255 | .sd_blksz_fw_dl = 256, |
dc759613 | 256 | .supports_fw_dump = false, |
2ac654f7 BZ |
257 | }; |
258 | ||
259 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = { | |
260 | .helper = NULL, | |
261 | .firmware = "mrvl/sd8797_uapsta.bin", | |
262 | .reg = &btmrvl_reg_87xx, | |
4df82b59 | 263 | .support_pscan_win_report = false, |
9f72c1d9 | 264 | .sd_blksz_fw_dl = 256, |
dc759613 | 265 | .supports_fw_dump = false, |
789221ec BZ |
266 | }; |
267 | ||
3907d558 XH |
268 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8887 = { |
269 | .helper = NULL, | |
270 | .firmware = "mrvl/sd8887_uapsta.bin", | |
271 | .reg = &btmrvl_reg_8887, | |
272 | .support_pscan_win_report = true, | |
273 | .sd_blksz_fw_dl = 256, | |
dc759613 | 274 | .supports_fw_dump = false, |
3907d558 XH |
275 | }; |
276 | ||
22f2efed BZ |
277 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8897 = { |
278 | .helper = NULL, | |
279 | .firmware = "mrvl/sd8897_uapsta.bin", | |
1e3e492c | 280 | .reg = &btmrvl_reg_8897, |
4df82b59 | 281 | .support_pscan_win_report = true, |
22f2efed | 282 | .sd_blksz_fw_dl = 256, |
dc759613 | 283 | .supports_fw_dump = true, |
22f2efed BZ |
284 | }; |
285 | ||
8c57983b HS |
286 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8977 = { |
287 | .helper = NULL, | |
dbec3af5 | 288 | .firmware = "mrvl/sdsd8977_combo_v2.bin", |
7cfc21e9 | 289 | .reg = &btmrvl_reg_89xx, |
8c57983b HS |
290 | .support_pscan_win_report = true, |
291 | .sd_blksz_fw_dl = 256, | |
292 | .supports_fw_dump = true, | |
293 | }; | |
294 | ||
73623340 TS |
295 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8987 = { |
296 | .helper = NULL, | |
297 | .firmware = "mrvl/sd8987_uapsta.bin", | |
7cfc21e9 | 298 | .reg = &btmrvl_reg_89xx, |
73623340 TS |
299 | .support_pscan_win_report = true, |
300 | .sd_blksz_fw_dl = 256, | |
301 | .supports_fw_dump = true, | |
302 | }; | |
303 | ||
f0ef6748 AK |
304 | static const struct btmrvl_sdio_device btmrvl_sdio_sd8997 = { |
305 | .helper = NULL, | |
00eb0cb3 | 306 | .firmware = "mrvl/sdsd8997_combo_v4.bin", |
7cfc21e9 | 307 | .reg = &btmrvl_reg_89xx, |
f0ef6748 AK |
308 | .support_pscan_win_report = true, |
309 | .sd_blksz_fw_dl = 256, | |
310 | .supports_fw_dump = true, | |
311 | }; | |
312 | ||
dcf47f3b MH |
313 | static const struct sdio_device_id btmrvl_sdio_ids[] = { |
314 | /* Marvell SD8688 Bluetooth device */ | |
649c7d76 | 315 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8688_BT), |
53d6cfa5 | 316 | .driver_data = (unsigned long)&btmrvl_sdio_sd8688 }, |
9f72c1d9 | 317 | /* Marvell SD8787 Bluetooth device */ |
649c7d76 | 318 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787_BT), |
53d6cfa5 | 319 | .driver_data = (unsigned long)&btmrvl_sdio_sd8787 }, |
37ed561e | 320 | /* Marvell SD8787 Bluetooth AMP device */ |
649c7d76 | 321 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787_BT_AMP), |
53d6cfa5 | 322 | .driver_data = (unsigned long)&btmrvl_sdio_sd8787 }, |
2ac654f7 | 323 | /* Marvell SD8797 Bluetooth device */ |
649c7d76 | 324 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_BT), |
53d6cfa5 | 325 | .driver_data = (unsigned long)&btmrvl_sdio_sd8797 }, |
3907d558 | 326 | /* Marvell SD8887 Bluetooth device */ |
649c7d76 | 327 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887_BT), |
3907d558 | 328 | .driver_data = (unsigned long)&btmrvl_sdio_sd8887 }, |
22f2efed | 329 | /* Marvell SD8897 Bluetooth device */ |
649c7d76 | 330 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8897_BT), |
53d6cfa5 | 331 | .driver_data = (unsigned long)&btmrvl_sdio_sd8897 }, |
8c57983b | 332 | /* Marvell SD8977 Bluetooth device */ |
649c7d76 | 333 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8977_BT), |
8c57983b | 334 | .driver_data = (unsigned long)&btmrvl_sdio_sd8977 }, |
73623340 | 335 | /* Marvell SD8987 Bluetooth device */ |
649c7d76 | 336 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8987_BT), |
73623340 | 337 | .driver_data = (unsigned long)&btmrvl_sdio_sd8987 }, |
f0ef6748 | 338 | /* Marvell SD8997 Bluetooth device */ |
649c7d76 | 339 | { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8997_BT), |
f0ef6748 | 340 | .driver_data = (unsigned long)&btmrvl_sdio_sd8997 }, |
789221ec | 341 | |
dcf47f3b | 342 | { } /* Terminating entry */ |
789221ec BZ |
343 | }; |
344 | ||
dcf47f3b MH |
345 | MODULE_DEVICE_TABLE(sdio, btmrvl_sdio_ids); |
346 | ||
789221ec BZ |
347 | static int btmrvl_sdio_get_rx_unit(struct btmrvl_sdio_card *card) |
348 | { | |
349 | u8 reg; | |
350 | int ret; | |
351 | ||
9f72c1d9 | 352 | reg = sdio_readb(card->func, card->reg->card_rx_unit, &ret); |
789221ec BZ |
353 | if (!ret) |
354 | card->rx_unit = reg; | |
355 | ||
789221ec BZ |
356 | return ret; |
357 | } | |
358 | ||
359 | static int btmrvl_sdio_read_fw_status(struct btmrvl_sdio_card *card, u16 *dat) | |
360 | { | |
789221ec | 361 | u8 fws0, fws1; |
9374253f | 362 | int ret; |
789221ec BZ |
363 | |
364 | *dat = 0; | |
365 | ||
9f72c1d9 | 366 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); |
278be27f KV |
367 | if (ret) |
368 | return -EIO; | |
789221ec | 369 | |
9f72c1d9 | 370 | fws1 = sdio_readb(card->func, card->reg->card_fw_status1, &ret); |
9374253f | 371 | if (ret) |
789221ec | 372 | return -EIO; |
789221ec BZ |
373 | |
374 | *dat = (((u16) fws1) << 8) | fws0; | |
375 | ||
789221ec BZ |
376 | return 0; |
377 | } | |
378 | ||
379 | static int btmrvl_sdio_read_rx_len(struct btmrvl_sdio_card *card, u16 *dat) | |
380 | { | |
789221ec | 381 | u8 reg; |
9374253f | 382 | int ret; |
789221ec | 383 | |
9f72c1d9 | 384 | reg = sdio_readb(card->func, card->reg->card_rx_len, &ret); |
789221ec BZ |
385 | if (!ret) |
386 | *dat = (u16) reg << card->rx_unit; | |
387 | ||
789221ec BZ |
388 | return ret; |
389 | } | |
390 | ||
391 | static int btmrvl_sdio_enable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 392 | u8 mask) |
789221ec BZ |
393 | { |
394 | int ret; | |
395 | ||
9f72c1d9 | 396 | sdio_writeb(card->func, mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
397 | if (ret) { |
398 | BT_ERR("Unable to enable the host interrupt!"); | |
399 | ret = -EIO; | |
400 | } | |
401 | ||
789221ec BZ |
402 | return ret; |
403 | } | |
404 | ||
405 | static int btmrvl_sdio_disable_host_int_mask(struct btmrvl_sdio_card *card, | |
dcf47f3b | 406 | u8 mask) |
789221ec | 407 | { |
789221ec | 408 | u8 host_int_mask; |
9374253f | 409 | int ret; |
789221ec | 410 | |
9f72c1d9 | 411 | host_int_mask = sdio_readb(card->func, card->reg->host_int_mask, &ret); |
9374253f MH |
412 | if (ret) |
413 | return -EIO; | |
789221ec BZ |
414 | |
415 | host_int_mask &= ~mask; | |
416 | ||
9f72c1d9 | 417 | sdio_writeb(card->func, host_int_mask, card->reg->host_int_mask, &ret); |
789221ec BZ |
418 | if (ret < 0) { |
419 | BT_ERR("Unable to disable the host interrupt!"); | |
9374253f | 420 | return -EIO; |
789221ec BZ |
421 | } |
422 | ||
9374253f | 423 | return 0; |
789221ec BZ |
424 | } |
425 | ||
426 | static int btmrvl_sdio_poll_card_status(struct btmrvl_sdio_card *card, u8 bits) | |
427 | { | |
428 | unsigned int tries; | |
789221ec | 429 | u8 status; |
9374253f | 430 | int ret; |
789221ec BZ |
431 | |
432 | for (tries = 0; tries < MAX_POLL_TRIES * 1000; tries++) { | |
9f72c1d9 | 433 | status = sdio_readb(card->func, card->reg->card_status, &ret); |
789221ec BZ |
434 | if (ret) |
435 | goto failed; | |
436 | if ((status & bits) == bits) | |
9374253f | 437 | return ret; |
789221ec BZ |
438 | |
439 | udelay(1); | |
440 | } | |
441 | ||
442 | ret = -ETIMEDOUT; | |
443 | ||
444 | failed: | |
445 | BT_ERR("FAILED! ret=%d", ret); | |
446 | ||
789221ec BZ |
447 | return ret; |
448 | } | |
449 | ||
450 | static int btmrvl_sdio_verify_fw_download(struct btmrvl_sdio_card *card, | |
dcf47f3b | 451 | int pollnum) |
789221ec | 452 | { |
789221ec | 453 | u16 firmwarestat; |
69676b1c | 454 | int tries, ret; |
789221ec | 455 | |
789221ec BZ |
456 | /* Wait for firmware to become ready */ |
457 | for (tries = 0; tries < pollnum; tries++) { | |
c1c999e2 AF |
458 | sdio_claim_host(card->func); |
459 | ret = btmrvl_sdio_read_fw_status(card, &firmwarestat); | |
460 | sdio_release_host(card->func); | |
461 | if (ret < 0) | |
789221ec BZ |
462 | continue; |
463 | ||
69676b1c AF |
464 | if (firmwarestat == FIRMWARE_READY) |
465 | return 0; | |
466 | ||
9a01242d | 467 | msleep(100); |
789221ec BZ |
468 | } |
469 | ||
69676b1c | 470 | return -ETIMEDOUT; |
789221ec BZ |
471 | } |
472 | ||
473 | static int btmrvl_sdio_download_helper(struct btmrvl_sdio_card *card) | |
474 | { | |
475 | const struct firmware *fw_helper = NULL; | |
476 | const u8 *helper = NULL; | |
477 | int ret; | |
478 | void *tmphlprbuf = NULL; | |
479 | int tmphlprbufsz, hlprblknow, helperlen; | |
480 | u8 *helperbuf; | |
481 | u32 tx_len; | |
482 | ||
789221ec | 483 | ret = request_firmware(&fw_helper, card->helper, |
dcf47f3b | 484 | &card->func->dev); |
789221ec BZ |
485 | if ((ret < 0) || !fw_helper) { |
486 | BT_ERR("request_firmware(helper) failed, error code = %d", | |
dcf47f3b | 487 | ret); |
789221ec BZ |
488 | ret = -ENOENT; |
489 | goto done; | |
490 | } | |
491 | ||
492 | helper = fw_helper->data; | |
493 | helperlen = fw_helper->size; | |
494 | ||
495 | BT_DBG("Downloading helper image (%d bytes), block size %d bytes", | |
dcf47f3b | 496 | helperlen, SDIO_BLOCK_SIZE); |
789221ec BZ |
497 | |
498 | tmphlprbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
499 | ||
f8df39f1 | 500 | tmphlprbuf = kzalloc(tmphlprbufsz, GFP_KERNEL); |
789221ec BZ |
501 | if (!tmphlprbuf) { |
502 | BT_ERR("Unable to allocate buffer for helper." | |
503 | " Terminating download"); | |
504 | ret = -ENOMEM; | |
505 | goto done; | |
506 | } | |
507 | ||
789221ec BZ |
508 | helperbuf = (u8 *) ALIGN_ADDR(tmphlprbuf, BTSDIO_DMA_ALIGN); |
509 | ||
510 | /* Perform helper data transfer */ | |
511 | tx_len = (FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE) | |
512 | - SDIO_HEADER_LEN; | |
513 | hlprblknow = 0; | |
514 | ||
515 | do { | |
516 | ret = btmrvl_sdio_poll_card_status(card, | |
517 | CARD_IO_READY | DN_LD_CARD_RDY); | |
518 | if (ret < 0) { | |
519 | BT_ERR("Helper download poll status timeout @ %d", | |
520 | hlprblknow); | |
521 | goto done; | |
522 | } | |
523 | ||
524 | /* Check if there is more data? */ | |
525 | if (hlprblknow >= helperlen) | |
526 | break; | |
527 | ||
528 | if (helperlen - hlprblknow < tx_len) | |
529 | tx_len = helperlen - hlprblknow; | |
530 | ||
531 | /* Little-endian */ | |
532 | helperbuf[0] = ((tx_len & 0x000000ff) >> 0); | |
533 | helperbuf[1] = ((tx_len & 0x0000ff00) >> 8); | |
534 | helperbuf[2] = ((tx_len & 0x00ff0000) >> 16); | |
535 | helperbuf[3] = ((tx_len & 0xff000000) >> 24); | |
536 | ||
537 | memcpy(&helperbuf[SDIO_HEADER_LEN], &helper[hlprblknow], | |
538 | tx_len); | |
539 | ||
540 | /* Now send the data */ | |
dcf47f3b MH |
541 | ret = sdio_writesb(card->func, card->ioport, helperbuf, |
542 | FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE); | |
789221ec BZ |
543 | if (ret < 0) { |
544 | BT_ERR("IO error during helper download @ %d", | |
545 | hlprblknow); | |
546 | goto done; | |
547 | } | |
548 | ||
549 | hlprblknow += tx_len; | |
550 | } while (true); | |
551 | ||
552 | BT_DBG("Transferring helper image EOF block"); | |
553 | ||
554 | memset(helperbuf, 0x0, SDIO_BLOCK_SIZE); | |
555 | ||
556 | ret = sdio_writesb(card->func, card->ioport, helperbuf, | |
dcf47f3b | 557 | SDIO_BLOCK_SIZE); |
789221ec BZ |
558 | if (ret < 0) { |
559 | BT_ERR("IO error in writing helper image EOF block"); | |
560 | goto done; | |
561 | } | |
562 | ||
563 | ret = 0; | |
564 | ||
565 | done: | |
566 | kfree(tmphlprbuf); | |
59f34fb3 | 567 | release_firmware(fw_helper); |
789221ec BZ |
568 | return ret; |
569 | } | |
570 | ||
571 | static int btmrvl_sdio_download_fw_w_helper(struct btmrvl_sdio_card *card) | |
572 | { | |
573 | const struct firmware *fw_firmware = NULL; | |
574 | const u8 *firmware = NULL; | |
575 | int firmwarelen, tmpfwbufsz, ret; | |
576 | unsigned int tries, offset; | |
577 | u8 base0, base1; | |
578 | void *tmpfwbuf = NULL; | |
579 | u8 *fwbuf; | |
9f72c1d9 | 580 | u16 len, blksz_dl = card->sd_blksz_fw_dl; |
789221ec BZ |
581 | int txlen = 0, tx_blocks = 0, count = 0; |
582 | ||
789221ec | 583 | ret = request_firmware(&fw_firmware, card->firmware, |
dcf47f3b | 584 | &card->func->dev); |
789221ec BZ |
585 | if ((ret < 0) || !fw_firmware) { |
586 | BT_ERR("request_firmware(firmware) failed, error code = %d", | |
dcf47f3b | 587 | ret); |
789221ec BZ |
588 | ret = -ENOENT; |
589 | goto done; | |
590 | } | |
591 | ||
592 | firmware = fw_firmware->data; | |
593 | firmwarelen = fw_firmware->size; | |
594 | ||
595 | BT_DBG("Downloading FW image (%d bytes)", firmwarelen); | |
596 | ||
597 | tmpfwbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN); | |
f8df39f1 | 598 | tmpfwbuf = kzalloc(tmpfwbufsz, GFP_KERNEL); |
789221ec BZ |
599 | if (!tmpfwbuf) { |
600 | BT_ERR("Unable to allocate buffer for firmware." | |
601 | " Terminating download"); | |
602 | ret = -ENOMEM; | |
603 | goto done; | |
604 | } | |
605 | ||
789221ec BZ |
606 | /* Ensure aligned firmware buffer */ |
607 | fwbuf = (u8 *) ALIGN_ADDR(tmpfwbuf, BTSDIO_DMA_ALIGN); | |
608 | ||
609 | /* Perform firmware data transfer */ | |
610 | offset = 0; | |
611 | do { | |
612 | ret = btmrvl_sdio_poll_card_status(card, | |
dcf47f3b | 613 | CARD_IO_READY | DN_LD_CARD_RDY); |
789221ec BZ |
614 | if (ret < 0) { |
615 | BT_ERR("FW download with helper poll status" | |
dcf47f3b | 616 | " timeout @ %d", offset); |
789221ec BZ |
617 | goto done; |
618 | } | |
619 | ||
620 | /* Check if there is more data ? */ | |
621 | if (offset >= firmwarelen) | |
622 | break; | |
623 | ||
624 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
625 | base0 = sdio_readb(card->func, | |
9f72c1d9 | 626 | card->reg->sq_read_base_addr_a0, &ret); |
789221ec BZ |
627 | if (ret) { |
628 | BT_ERR("BASE0 register read failed:" | |
629 | " base0 = 0x%04X(%d)." | |
630 | " Terminating download", | |
631 | base0, base0); | |
632 | ret = -EIO; | |
633 | goto done; | |
634 | } | |
635 | base1 = sdio_readb(card->func, | |
9f72c1d9 | 636 | card->reg->sq_read_base_addr_a1, &ret); |
789221ec BZ |
637 | if (ret) { |
638 | BT_ERR("BASE1 register read failed:" | |
639 | " base1 = 0x%04X(%d)." | |
640 | " Terminating download", | |
641 | base1, base1); | |
642 | ret = -EIO; | |
643 | goto done; | |
644 | } | |
645 | ||
646 | len = (((u16) base1) << 8) | base0; | |
647 | if (len) | |
648 | break; | |
649 | ||
650 | udelay(10); | |
651 | } | |
652 | ||
653 | if (!len) | |
654 | break; | |
655 | else if (len > BTM_UPLD_SIZE) { | |
656 | BT_ERR("FW download failure @%d, invalid length %d", | |
dcf47f3b | 657 | offset, len); |
789221ec BZ |
658 | ret = -EINVAL; |
659 | goto done; | |
660 | } | |
661 | ||
662 | txlen = len; | |
663 | ||
664 | if (len & BIT(0)) { | |
665 | count++; | |
666 | if (count > MAX_WRITE_IOMEM_RETRY) { | |
667 | BT_ERR("FW download failure @%d, " | |
668 | "over max retry count", offset); | |
669 | ret = -EIO; | |
670 | goto done; | |
671 | } | |
672 | BT_ERR("FW CRC error indicated by the helper: " | |
673 | "len = 0x%04X, txlen = %d", len, txlen); | |
674 | len &= ~BIT(0); | |
675 | /* Set txlen to 0 so as to resend from same offset */ | |
676 | txlen = 0; | |
677 | } else { | |
678 | count = 0; | |
679 | ||
680 | /* Last block ? */ | |
681 | if (firmwarelen - offset < txlen) | |
682 | txlen = firmwarelen - offset; | |
683 | ||
ba34dd3d | 684 | tx_blocks = DIV_ROUND_UP(txlen, blksz_dl); |
789221ec BZ |
685 | |
686 | memcpy(fwbuf, &firmware[offset], txlen); | |
687 | } | |
688 | ||
689 | ret = sdio_writesb(card->func, card->ioport, fwbuf, | |
9f72c1d9 | 690 | tx_blocks * blksz_dl); |
789221ec BZ |
691 | |
692 | if (ret < 0) { | |
693 | BT_ERR("FW download, writesb(%d) failed @%d", | |
dcf47f3b | 694 | count, offset); |
9f72c1d9 KG |
695 | sdio_writeb(card->func, HOST_CMD53_FIN, |
696 | card->reg->cfg, &ret); | |
789221ec BZ |
697 | if (ret) |
698 | BT_ERR("writeb failed (CFG)"); | |
699 | } | |
700 | ||
701 | offset += txlen; | |
702 | } while (true); | |
703 | ||
1c6098eb | 704 | BT_INFO("FW download over, size %d bytes", offset); |
789221ec BZ |
705 | |
706 | ret = 0; | |
707 | ||
708 | done: | |
709 | kfree(tmpfwbuf); | |
59f34fb3 | 710 | release_firmware(fw_firmware); |
789221ec BZ |
711 | return ret; |
712 | } | |
713 | ||
714 | static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv) | |
715 | { | |
716 | u16 buf_len = 0; | |
42632805 | 717 | int ret, num_blocks, blksz; |
789221ec BZ |
718 | struct sk_buff *skb = NULL; |
719 | u32 type; | |
9376e4a5 | 720 | u8 *payload; |
789221ec BZ |
721 | struct hci_dev *hdev = priv->btmrvl_dev.hcidev; |
722 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
723 | ||
789221ec BZ |
724 | if (!card || !card->func) { |
725 | BT_ERR("card or function is NULL!"); | |
726 | ret = -EINVAL; | |
727 | goto exit; | |
728 | } | |
729 | ||
730 | /* Read the length of data to be transferred */ | |
731 | ret = btmrvl_sdio_read_rx_len(card, &buf_len); | |
732 | if (ret < 0) { | |
733 | BT_ERR("read rx_len failed"); | |
734 | ret = -EIO; | |
735 | goto exit; | |
736 | } | |
737 | ||
738 | blksz = SDIO_BLOCK_SIZE; | |
e678bad5 | 739 | num_blocks = DIV_ROUND_UP(buf_len, blksz); |
789221ec BZ |
740 | |
741 | if (buf_len <= SDIO_HEADER_LEN | |
42632805 | 742 | || (num_blocks * blksz) > ALLOC_BUF_SIZE) { |
789221ec BZ |
743 | BT_ERR("invalid packet length: %d", buf_len); |
744 | ret = -EINVAL; | |
745 | goto exit; | |
746 | } | |
747 | ||
748 | /* Allocate buffer */ | |
436018ee | 749 | skb = bt_skb_alloc(num_blocks * blksz + BTSDIO_DMA_ALIGN, GFP_KERNEL); |
1f438c61 | 750 | if (!skb) { |
789221ec | 751 | BT_ERR("No free skb"); |
6ea81c41 | 752 | ret = -ENOMEM; |
789221ec BZ |
753 | goto exit; |
754 | } | |
755 | ||
3318b236 BZ |
756 | if ((unsigned long) skb->data & (BTSDIO_DMA_ALIGN - 1)) { |
757 | skb_put(skb, (unsigned long) skb->data & | |
758 | (BTSDIO_DMA_ALIGN - 1)); | |
759 | skb_pull(skb, (unsigned long) skb->data & | |
760 | (BTSDIO_DMA_ALIGN - 1)); | |
789221ec BZ |
761 | } |
762 | ||
3318b236 | 763 | payload = skb->data; |
789221ec BZ |
764 | |
765 | ret = sdio_readsb(card->func, payload, card->ioport, | |
42632805 | 766 | num_blocks * blksz); |
789221ec BZ |
767 | if (ret < 0) { |
768 | BT_ERR("readsb failed: %d", ret); | |
769 | ret = -EIO; | |
770 | goto exit; | |
771 | } | |
772 | ||
773 | /* This is SDIO specific header length: byte[2][1][0], type: byte[3] | |
774 | * (HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor) | |
775 | */ | |
776 | ||
777 | buf_len = payload[0]; | |
9cb23dd4 AE |
778 | buf_len |= payload[1] << 8; |
779 | buf_len |= payload[2] << 16; | |
780 | ||
781 | if (buf_len > blksz * num_blocks) { | |
782 | BT_ERR("Skip incorrect packet: hdrlen %d buffer %d", | |
783 | buf_len, blksz * num_blocks); | |
784 | ret = -EIO; | |
785 | goto exit; | |
786 | } | |
787 | ||
789221ec BZ |
788 | type = payload[3]; |
789 | ||
790 | switch (type) { | |
791 | case HCI_ACLDATA_PKT: | |
792 | case HCI_SCODATA_PKT: | |
793 | case HCI_EVENT_PKT: | |
618e8bc2 | 794 | hci_skb_pkt_type(skb) = type; |
789221ec BZ |
795 | skb_put(skb, buf_len); |
796 | skb_pull(skb, SDIO_HEADER_LEN); | |
797 | ||
ea1e76a3 AE |
798 | if (type == HCI_EVENT_PKT) { |
799 | if (btmrvl_check_evtpkt(priv, skb)) | |
e1a26170 | 800 | hci_recv_frame(hdev, skb); |
2c2453f3 | 801 | } else { |
e1a26170 | 802 | hci_recv_frame(hdev, skb); |
2c2453f3 | 803 | } |
789221ec | 804 | |
789221ec BZ |
805 | hdev->stat.byte_rx += buf_len; |
806 | break; | |
807 | ||
808 | case MRVL_VENDOR_PKT: | |
618e8bc2 | 809 | hci_skb_pkt_type(skb) = HCI_VENDOR_PKT; |
789221ec BZ |
810 | skb_put(skb, buf_len); |
811 | skb_pull(skb, SDIO_HEADER_LEN); | |
812 | ||
813 | if (btmrvl_process_event(priv, skb)) | |
e1a26170 | 814 | hci_recv_frame(hdev, skb); |
789221ec BZ |
815 | |
816 | hdev->stat.byte_rx += buf_len; | |
817 | break; | |
818 | ||
819 | default: | |
af901ca1 | 820 | BT_ERR("Unknown packet type:%d", type); |
78c1b8e8 | 821 | BT_ERR("hex: %*ph", blksz * num_blocks, payload); |
789221ec BZ |
822 | |
823 | kfree_skb(skb); | |
824 | skb = NULL; | |
825 | break; | |
826 | } | |
827 | ||
828 | exit: | |
829 | if (ret) { | |
830 | hdev->stat.err_rx++; | |
7923296f | 831 | kfree_skb(skb); |
789221ec BZ |
832 | } |
833 | ||
789221ec BZ |
834 | return ret; |
835 | } | |
836 | ||
d1d10d78 | 837 | static int btmrvl_sdio_process_int_status(struct btmrvl_private *priv) |
789221ec | 838 | { |
d1d10d78 AK |
839 | ulong flags; |
840 | u8 ireg; | |
789221ec BZ |
841 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; |
842 | ||
d1d10d78 AK |
843 | spin_lock_irqsave(&priv->driver_lock, flags); |
844 | ireg = sdio_ireg; | |
845 | sdio_ireg = 0; | |
846 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
789221ec | 847 | |
d1d10d78 AK |
848 | sdio_claim_host(card->func); |
849 | if (ireg & DN_LD_HOST_INT_STATUS) { | |
789221ec BZ |
850 | if (priv->btmrvl_dev.tx_dnld_rdy) |
851 | BT_DBG("tx_done already received: " | |
d1d10d78 | 852 | " int_status=0x%x", ireg); |
789221ec BZ |
853 | else |
854 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
855 | } | |
856 | ||
d1d10d78 | 857 | if (ireg & UP_LD_HOST_INT_STATUS) |
789221ec BZ |
858 | btmrvl_sdio_card_to_host(priv); |
859 | ||
d1d10d78 | 860 | sdio_release_host(card->func); |
789221ec | 861 | |
d1d10d78 | 862 | return 0; |
789221ec BZ |
863 | } |
864 | ||
0d367408 BZ |
865 | static int btmrvl_sdio_read_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
866 | { | |
867 | struct btmrvl_adapter *adapter = card->priv->adapter; | |
868 | int ret; | |
869 | ||
870 | ret = sdio_readsb(card->func, adapter->hw_regs, 0, SDIO_BLOCK_SIZE); | |
871 | if (ret) { | |
872 | BT_ERR("sdio_readsb: read int hw_regs failed: %d", ret); | |
873 | return ret; | |
874 | } | |
875 | ||
876 | *ireg = adapter->hw_regs[card->reg->host_intstatus]; | |
877 | BT_DBG("hw_regs[%#x]=%#x", card->reg->host_intstatus, *ireg); | |
878 | ||
879 | return 0; | |
880 | } | |
881 | ||
8af4840a BZ |
882 | static int btmrvl_sdio_write_to_clear(struct btmrvl_sdio_card *card, u8 *ireg) |
883 | { | |
884 | int ret; | |
885 | ||
886 | *ireg = sdio_readb(card->func, card->reg->host_intstatus, &ret); | |
887 | if (ret) { | |
888 | BT_ERR("sdio_readb: read int status failed: %d", ret); | |
889 | return ret; | |
890 | } | |
891 | ||
892 | if (*ireg) { | |
893 | /* | |
894 | * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS | |
895 | * Clear the interrupt status register and re-enable the | |
896 | * interrupt. | |
897 | */ | |
898 | BT_DBG("int_status = 0x%x", *ireg); | |
899 | ||
900 | sdio_writeb(card->func, ~(*ireg) & (DN_LD_HOST_INT_STATUS | | |
901 | UP_LD_HOST_INT_STATUS), | |
902 | card->reg->host_intstatus, &ret); | |
903 | if (ret) { | |
904 | BT_ERR("sdio_writeb: clear int status failed: %d", ret); | |
905 | return ret; | |
906 | } | |
907 | } | |
908 | ||
909 | return 0; | |
910 | } | |
911 | ||
789221ec BZ |
912 | static void btmrvl_sdio_interrupt(struct sdio_func *func) |
913 | { | |
914 | struct btmrvl_private *priv; | |
789221ec | 915 | struct btmrvl_sdio_card *card; |
d1d10d78 | 916 | ulong flags; |
789221ec | 917 | u8 ireg = 0; |
d1d10d78 | 918 | int ret; |
789221ec | 919 | |
789221ec | 920 | card = sdio_get_drvdata(func); |
d1d10d78 | 921 | if (!card || !card->priv) { |
7365d475 AK |
922 | BT_ERR("sbi_interrupt(%p) card or priv is NULL, card=%p", |
923 | func, card); | |
d1d10d78 AK |
924 | return; |
925 | } | |
789221ec | 926 | |
d1d10d78 | 927 | priv = card->priv; |
789221ec | 928 | |
7b4b8740 AK |
929 | if (priv->surprise_removed) |
930 | return; | |
931 | ||
0d367408 BZ |
932 | if (card->reg->int_read_to_clear) |
933 | ret = btmrvl_sdio_read_to_clear(card, &ireg); | |
934 | else | |
935 | ret = btmrvl_sdio_write_to_clear(card, &ireg); | |
936 | ||
8af4840a | 937 | if (ret) |
d1d10d78 | 938 | return; |
d1d10d78 AK |
939 | |
940 | spin_lock_irqsave(&priv->driver_lock, flags); | |
941 | sdio_ireg |= ireg; | |
942 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
943 | ||
944 | btmrvl_interrupt(priv); | |
789221ec BZ |
945 | } |
946 | ||
947 | static int btmrvl_sdio_register_dev(struct btmrvl_sdio_card *card) | |
948 | { | |
789221ec | 949 | struct sdio_func *func; |
dcf47f3b | 950 | u8 reg; |
a5c2f4c1 | 951 | int ret; |
789221ec | 952 | |
789221ec BZ |
953 | if (!card || !card->func) { |
954 | BT_ERR("Error: card or function is NULL!"); | |
955 | ret = -EINVAL; | |
956 | goto failed; | |
957 | } | |
958 | ||
959 | func = card->func; | |
960 | ||
789221ec BZ |
961 | sdio_claim_host(func); |
962 | ||
963 | ret = sdio_enable_func(func); | |
964 | if (ret) { | |
965 | BT_ERR("sdio_enable_func() failed: ret=%d", ret); | |
966 | ret = -EIO; | |
967 | goto release_host; | |
968 | } | |
969 | ||
970 | ret = sdio_claim_irq(func, btmrvl_sdio_interrupt); | |
971 | if (ret) { | |
972 | BT_ERR("sdio_claim_irq failed: ret=%d", ret); | |
973 | ret = -EIO; | |
974 | goto disable_func; | |
975 | } | |
976 | ||
977 | ret = sdio_set_block_size(card->func, SDIO_BLOCK_SIZE); | |
978 | if (ret) { | |
979 | BT_ERR("cannot set SDIO block size"); | |
980 | ret = -EIO; | |
981 | goto release_irq; | |
982 | } | |
983 | ||
9f72c1d9 | 984 | reg = sdio_readb(func, card->reg->io_port_0, &ret); |
789221ec BZ |
985 | if (ret < 0) { |
986 | ret = -EIO; | |
987 | goto release_irq; | |
988 | } | |
989 | ||
990 | card->ioport = reg; | |
991 | ||
9f72c1d9 | 992 | reg = sdio_readb(func, card->reg->io_port_1, &ret); |
789221ec BZ |
993 | if (ret < 0) { |
994 | ret = -EIO; | |
995 | goto release_irq; | |
996 | } | |
997 | ||
998 | card->ioport |= (reg << 8); | |
999 | ||
9f72c1d9 | 1000 | reg = sdio_readb(func, card->reg->io_port_2, &ret); |
789221ec BZ |
1001 | if (ret < 0) { |
1002 | ret = -EIO; | |
1003 | goto release_irq; | |
1004 | } | |
1005 | ||
1006 | card->ioport |= (reg << 16); | |
1007 | ||
1008 | BT_DBG("SDIO FUNC%d IO port: 0x%x", func->num, card->ioport); | |
1009 | ||
0d367408 BZ |
1010 | if (card->reg->int_read_to_clear) { |
1011 | reg = sdio_readb(func, card->reg->host_int_rsr, &ret); | |
1012 | if (ret < 0) { | |
1013 | ret = -EIO; | |
1014 | goto release_irq; | |
1015 | } | |
1016 | sdio_writeb(func, reg | 0x3f, card->reg->host_int_rsr, &ret); | |
1017 | if (ret < 0) { | |
1018 | ret = -EIO; | |
1019 | goto release_irq; | |
1020 | } | |
1021 | ||
1022 | reg = sdio_readb(func, card->reg->card_misc_cfg, &ret); | |
1023 | if (ret < 0) { | |
1024 | ret = -EIO; | |
1025 | goto release_irq; | |
1026 | } | |
1027 | sdio_writeb(func, reg | 0x10, card->reg->card_misc_cfg, &ret); | |
1028 | if (ret < 0) { | |
1029 | ret = -EIO; | |
1030 | goto release_irq; | |
1031 | } | |
1032 | } | |
1033 | ||
789221ec BZ |
1034 | sdio_set_drvdata(func, card); |
1035 | ||
1036 | sdio_release_host(func); | |
1037 | ||
789221ec BZ |
1038 | return 0; |
1039 | ||
1040 | release_irq: | |
1041 | sdio_release_irq(func); | |
1042 | ||
1043 | disable_func: | |
1044 | sdio_disable_func(func); | |
1045 | ||
1046 | release_host: | |
1047 | sdio_release_host(func); | |
1048 | ||
1049 | failed: | |
789221ec BZ |
1050 | return ret; |
1051 | } | |
1052 | ||
1053 | static int btmrvl_sdio_unregister_dev(struct btmrvl_sdio_card *card) | |
1054 | { | |
789221ec BZ |
1055 | if (card && card->func) { |
1056 | sdio_claim_host(card->func); | |
1057 | sdio_release_irq(card->func); | |
1058 | sdio_disable_func(card->func); | |
1059 | sdio_release_host(card->func); | |
1060 | sdio_set_drvdata(card->func, NULL); | |
1061 | } | |
1062 | ||
789221ec BZ |
1063 | return 0; |
1064 | } | |
1065 | ||
1066 | static int btmrvl_sdio_enable_host_int(struct btmrvl_sdio_card *card) | |
1067 | { | |
1068 | int ret; | |
1069 | ||
9374253f | 1070 | if (!card || !card->func) |
789221ec | 1071 | return -EINVAL; |
789221ec BZ |
1072 | |
1073 | sdio_claim_host(card->func); | |
1074 | ||
1075 | ret = btmrvl_sdio_enable_host_int_mask(card, HIM_ENABLE); | |
1076 | ||
1077 | btmrvl_sdio_get_rx_unit(card); | |
1078 | ||
1079 | sdio_release_host(card->func); | |
1080 | ||
789221ec BZ |
1081 | return ret; |
1082 | } | |
1083 | ||
1084 | static int btmrvl_sdio_disable_host_int(struct btmrvl_sdio_card *card) | |
1085 | { | |
1086 | int ret; | |
1087 | ||
9374253f | 1088 | if (!card || !card->func) |
789221ec | 1089 | return -EINVAL; |
789221ec BZ |
1090 | |
1091 | sdio_claim_host(card->func); | |
1092 | ||
1093 | ret = btmrvl_sdio_disable_host_int_mask(card, HIM_DISABLE); | |
1094 | ||
1095 | sdio_release_host(card->func); | |
1096 | ||
789221ec BZ |
1097 | return ret; |
1098 | } | |
1099 | ||
1100 | static int btmrvl_sdio_host_to_card(struct btmrvl_private *priv, | |
1101 | u8 *payload, u16 nb) | |
1102 | { | |
1103 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1104 | int ret = 0; | |
789221ec BZ |
1105 | int blksz; |
1106 | int i = 0; | |
1107 | u8 *buf = NULL; | |
1108 | void *tmpbuf = NULL; | |
1109 | int tmpbufsz; | |
1110 | ||
789221ec BZ |
1111 | if (!card || !card->func) { |
1112 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1113 | return -EINVAL; |
1114 | } | |
1115 | ||
d2f30240 RL |
1116 | blksz = DIV_ROUND_UP(nb, SDIO_BLOCK_SIZE) * SDIO_BLOCK_SIZE; |
1117 | ||
789221ec | 1118 | buf = payload; |
d2f30240 RL |
1119 | if ((unsigned long) payload & (BTSDIO_DMA_ALIGN - 1) || |
1120 | nb < blksz) { | |
1121 | tmpbufsz = ALIGN_SZ(blksz, BTSDIO_DMA_ALIGN) + | |
1122 | BTSDIO_DMA_ALIGN; | |
5959809d JL |
1123 | tmpbuf = kzalloc(tmpbufsz, GFP_KERNEL); |
1124 | if (!tmpbuf) | |
1125 | return -ENOMEM; | |
789221ec BZ |
1126 | buf = (u8 *) ALIGN_ADDR(tmpbuf, BTSDIO_DMA_ALIGN); |
1127 | memcpy(buf, payload, nb); | |
1128 | } | |
1129 | ||
789221ec BZ |
1130 | sdio_claim_host(card->func); |
1131 | ||
1132 | do { | |
1133 | /* Transfer data to card */ | |
1134 | ret = sdio_writesb(card->func, card->ioport, buf, | |
d2f30240 | 1135 | blksz); |
789221ec BZ |
1136 | if (ret < 0) { |
1137 | i++; | |
1138 | BT_ERR("i=%d writesb failed: %d", i, ret); | |
78c1b8e8 | 1139 | BT_ERR("hex: %*ph", nb, payload); |
789221ec BZ |
1140 | ret = -EIO; |
1141 | if (i > MAX_WRITE_IOMEM_RETRY) | |
1142 | goto exit; | |
1143 | } | |
1144 | } while (ret); | |
1145 | ||
1146 | priv->btmrvl_dev.tx_dnld_rdy = false; | |
1147 | ||
1148 | exit: | |
1149 | sdio_release_host(card->func); | |
88d1a0cf | 1150 | kfree(tmpbuf); |
789221ec | 1151 | |
789221ec BZ |
1152 | return ret; |
1153 | } | |
1154 | ||
1155 | static int btmrvl_sdio_download_fw(struct btmrvl_sdio_card *card) | |
1156 | { | |
faff7f74 | 1157 | int ret; |
9f72c1d9 KG |
1158 | u8 fws0; |
1159 | int pollnum = MAX_POLL_TRIES; | |
789221ec | 1160 | |
789221ec BZ |
1161 | if (!card || !card->func) { |
1162 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1163 | return -EINVAL; |
1164 | } | |
789221ec BZ |
1165 | |
1166 | if (!btmrvl_sdio_verify_fw_download(card, 1)) { | |
1167 | BT_DBG("Firmware already downloaded!"); | |
c1c999e2 | 1168 | return 0; |
789221ec BZ |
1169 | } |
1170 | ||
c1c999e2 AF |
1171 | sdio_claim_host(card->func); |
1172 | ||
9f72c1d9 KG |
1173 | /* Check if other function driver is downloading the firmware */ |
1174 | fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret); | |
789221ec | 1175 | if (ret) { |
9f72c1d9 | 1176 | BT_ERR("Failed to read FW downloading status!"); |
789221ec BZ |
1177 | ret = -EIO; |
1178 | goto done; | |
1179 | } | |
9f72c1d9 KG |
1180 | if (fws0) { |
1181 | BT_DBG("BT not the winner (%#x). Skip FW downloading", fws0); | |
1182 | ||
1183 | /* Give other function more time to download the firmware */ | |
1184 | pollnum *= 10; | |
1185 | } else { | |
1186 | if (card->helper) { | |
1187 | ret = btmrvl_sdio_download_helper(card); | |
1188 | if (ret) { | |
1189 | BT_ERR("Failed to download helper!"); | |
1190 | ret = -EIO; | |
1191 | goto done; | |
1192 | } | |
1193 | } | |
789221ec | 1194 | |
9f72c1d9 KG |
1195 | if (btmrvl_sdio_download_fw_w_helper(card)) { |
1196 | BT_ERR("Failed to download firmware!"); | |
1197 | ret = -EIO; | |
1198 | goto done; | |
1199 | } | |
789221ec BZ |
1200 | } |
1201 | ||
69676b1c AF |
1202 | /* |
1203 | * winner or not, with this test the FW synchronizes when the | |
1204 | * module can continue its initialization | |
1205 | */ | |
9f72c1d9 | 1206 | if (btmrvl_sdio_verify_fw_download(card, pollnum)) { |
789221ec | 1207 | BT_ERR("FW failed to be active in time!"); |
86f7ac77 CRL |
1208 | ret = -ETIMEDOUT; |
1209 | goto done; | |
789221ec BZ |
1210 | } |
1211 | ||
4863e4cc AN |
1212 | sdio_release_host(card->func); |
1213 | ||
c1c999e2 AF |
1214 | return 0; |
1215 | ||
789221ec BZ |
1216 | done: |
1217 | sdio_release_host(card->func); | |
789221ec BZ |
1218 | return ret; |
1219 | } | |
1220 | ||
1221 | static int btmrvl_sdio_wakeup_fw(struct btmrvl_private *priv) | |
1222 | { | |
1223 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1224 | int ret = 0; | |
1225 | ||
789221ec BZ |
1226 | if (!card || !card->func) { |
1227 | BT_ERR("card or function is NULL!"); | |
789221ec BZ |
1228 | return -EINVAL; |
1229 | } | |
1230 | ||
1231 | sdio_claim_host(card->func); | |
1232 | ||
9f72c1d9 | 1233 | sdio_writeb(card->func, HOST_POWER_UP, card->reg->cfg, &ret); |
789221ec BZ |
1234 | |
1235 | sdio_release_host(card->func); | |
1236 | ||
1237 | BT_DBG("wake up firmware"); | |
1238 | ||
789221ec BZ |
1239 | return ret; |
1240 | } | |
1241 | ||
dc759613 XH |
1242 | static void btmrvl_sdio_dump_regs(struct btmrvl_private *priv) |
1243 | { | |
1244 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1245 | int ret = 0; | |
1246 | unsigned int reg, reg_start, reg_end; | |
1247 | char buf[256], *ptr; | |
1248 | u8 loop, func, data; | |
1249 | int MAX_LOOP = 2; | |
1250 | ||
1251 | btmrvl_sdio_wakeup_fw(priv); | |
1252 | sdio_claim_host(card->func); | |
1253 | ||
1254 | for (loop = 0; loop < MAX_LOOP; loop++) { | |
1255 | memset(buf, 0, sizeof(buf)); | |
1256 | ptr = buf; | |
1257 | ||
1258 | if (loop == 0) { | |
1259 | /* Read the registers of SDIO function0 */ | |
1260 | func = loop; | |
1261 | reg_start = 0; | |
1262 | reg_end = 9; | |
1263 | } else { | |
1264 | func = 2; | |
1265 | reg_start = 0; | |
1266 | reg_end = 0x09; | |
1267 | } | |
1268 | ||
1269 | ptr += sprintf(ptr, "SDIO Func%d (%#x-%#x): ", | |
1270 | func, reg_start, reg_end); | |
1271 | for (reg = reg_start; reg <= reg_end; reg++) { | |
1272 | if (func == 0) | |
1273 | data = sdio_f0_readb(card->func, reg, &ret); | |
1274 | else | |
1275 | data = sdio_readb(card->func, reg, &ret); | |
1276 | ||
1277 | if (!ret) { | |
1278 | ptr += sprintf(ptr, "%02x ", data); | |
1279 | } else { | |
1280 | ptr += sprintf(ptr, "ERR"); | |
1281 | break; | |
1282 | } | |
1283 | } | |
1284 | ||
1285 | BT_INFO("%s", buf); | |
1286 | } | |
1287 | ||
1288 | sdio_release_host(card->func); | |
1289 | } | |
1290 | ||
1291 | /* This function read/write firmware */ | |
1292 | static enum | |
1293 | rdwr_status btmrvl_sdio_rdwr_firmware(struct btmrvl_private *priv, | |
1294 | u8 doneflag) | |
1295 | { | |
1296 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
1297 | int ret, tries; | |
1298 | u8 ctrl_data = 0; | |
1299 | ||
1300 | sdio_writeb(card->func, FW_DUMP_HOST_READY, card->reg->fw_dump_ctrl, | |
1301 | &ret); | |
1302 | ||
1303 | if (ret) { | |
1304 | BT_ERR("SDIO write err"); | |
1305 | return RDWR_STATUS_FAILURE; | |
1306 | } | |
1307 | ||
1308 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
1309 | ctrl_data = sdio_readb(card->func, card->reg->fw_dump_ctrl, | |
1310 | &ret); | |
1311 | ||
1312 | if (ret) { | |
1313 | BT_ERR("SDIO read err"); | |
1314 | return RDWR_STATUS_FAILURE; | |
1315 | } | |
1316 | ||
1317 | if (ctrl_data == FW_DUMP_DONE) | |
1318 | break; | |
1319 | if (doneflag && ctrl_data == doneflag) | |
1320 | return RDWR_STATUS_DONE; | |
1321 | if (ctrl_data != FW_DUMP_HOST_READY) { | |
1322 | BT_INFO("The ctrl reg was changed, re-try again!"); | |
1323 | sdio_writeb(card->func, FW_DUMP_HOST_READY, | |
1324 | card->reg->fw_dump_ctrl, &ret); | |
1325 | if (ret) { | |
1326 | BT_ERR("SDIO write err"); | |
1327 | return RDWR_STATUS_FAILURE; | |
1328 | } | |
1329 | } | |
1330 | usleep_range(100, 200); | |
1331 | } | |
1332 | ||
1333 | if (ctrl_data == FW_DUMP_HOST_READY) { | |
1334 | BT_ERR("Fail to pull ctrl_data"); | |
1335 | return RDWR_STATUS_FAILURE; | |
1336 | } | |
1337 | ||
1338 | return RDWR_STATUS_SUCCESS; | |
1339 | } | |
1340 | ||
1341 | /* This function dump sdio register and memory data */ | |
45650499 | 1342 | static void btmrvl_sdio_coredump(struct device *dev) |
dc759613 | 1343 | { |
45650499 AS |
1344 | struct sdio_func *func = dev_to_sdio_func(dev); |
1345 | struct btmrvl_sdio_card *card; | |
1346 | struct btmrvl_private *priv; | |
dc759613 XH |
1347 | int ret = 0; |
1348 | unsigned int reg, reg_start, reg_end; | |
1349 | enum rdwr_status stat; | |
1350 | u8 *dbg_ptr, *end_ptr, *fw_dump_data, *fw_dump_ptr; | |
a1e85f04 | 1351 | u8 dump_num = 0, idx, i, read_reg, doneflag = 0; |
dc759613 | 1352 | u32 memory_size, fw_dump_len = 0; |
785077fa | 1353 | int size = 0; |
dc759613 | 1354 | |
45650499 AS |
1355 | card = sdio_get_drvdata(func); |
1356 | priv = card->priv; | |
1357 | ||
dc759613 XH |
1358 | /* dump sdio register first */ |
1359 | btmrvl_sdio_dump_regs(priv); | |
1360 | ||
1361 | if (!card->supports_fw_dump) { | |
1362 | BT_ERR("Firmware dump not supported for this card!"); | |
1363 | return; | |
1364 | } | |
1365 | ||
1366 | for (idx = 0; idx < ARRAY_SIZE(mem_type_mapping_tbl); idx++) { | |
1367 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1368 | ||
1369 | if (entry->mem_ptr) { | |
1370 | vfree(entry->mem_ptr); | |
1371 | entry->mem_ptr = NULL; | |
1372 | } | |
1373 | entry->mem_size = 0; | |
1374 | } | |
1375 | ||
1376 | btmrvl_sdio_wakeup_fw(priv); | |
1377 | sdio_claim_host(card->func); | |
1378 | ||
1379 | BT_INFO("== btmrvl firmware dump start =="); | |
1380 | ||
1381 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1382 | if (stat == RDWR_STATUS_FAILURE) | |
1383 | goto done; | |
1384 | ||
1385 | reg = card->reg->fw_dump_start; | |
1386 | /* Read the number of the memories which will dump */ | |
1387 | dump_num = sdio_readb(card->func, reg, &ret); | |
1388 | ||
1389 | if (ret) { | |
1390 | BT_ERR("SDIO read memory length err"); | |
1391 | goto done; | |
1392 | } | |
1393 | ||
1394 | /* Read the length of every memory which will dump */ | |
1395 | for (idx = 0; idx < dump_num; idx++) { | |
1396 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1397 | ||
1398 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1399 | if (stat == RDWR_STATUS_FAILURE) | |
1400 | goto done; | |
1401 | ||
1402 | memory_size = 0; | |
1403 | reg = card->reg->fw_dump_start; | |
1404 | for (i = 0; i < 4; i++) { | |
1405 | read_reg = sdio_readb(card->func, reg, &ret); | |
1406 | if (ret) { | |
1407 | BT_ERR("SDIO read err"); | |
1408 | goto done; | |
1409 | } | |
1410 | memory_size |= (read_reg << i*8); | |
1411 | reg++; | |
1412 | } | |
1413 | ||
1414 | if (memory_size == 0) { | |
1415 | BT_INFO("Firmware dump finished!"); | |
475b9eac NK |
1416 | sdio_writeb(card->func, FW_DUMP_READ_DONE, |
1417 | card->reg->fw_dump_ctrl, &ret); | |
1418 | if (ret) { | |
1419 | BT_ERR("SDIO Write MEMDUMP_FINISH ERR"); | |
1420 | goto done; | |
1421 | } | |
dc759613 XH |
1422 | break; |
1423 | } | |
1424 | ||
1425 | BT_INFO("%s_SIZE=0x%x", entry->mem_name, memory_size); | |
1426 | entry->mem_ptr = vzalloc(memory_size + 1); | |
1427 | entry->mem_size = memory_size; | |
1428 | if (!entry->mem_ptr) { | |
1429 | BT_ERR("Vzalloc %s failed", entry->mem_name); | |
1430 | goto done; | |
1431 | } | |
1432 | ||
1433 | fw_dump_len += (strlen("========Start dump ") + | |
1434 | strlen(entry->mem_name) + | |
1435 | strlen("========\n") + | |
1436 | (memory_size + 1) + | |
1437 | strlen("\n========End dump========\n")); | |
1438 | ||
1439 | dbg_ptr = entry->mem_ptr; | |
1440 | end_ptr = dbg_ptr + memory_size; | |
1441 | ||
1442 | doneflag = entry->done_flag; | |
1443 | BT_INFO("Start %s output, please wait...", | |
1444 | entry->mem_name); | |
1445 | ||
1446 | do { | |
1447 | stat = btmrvl_sdio_rdwr_firmware(priv, doneflag); | |
1448 | if (stat == RDWR_STATUS_FAILURE) | |
1449 | goto done; | |
1450 | ||
1451 | reg_start = card->reg->fw_dump_start; | |
1452 | reg_end = card->reg->fw_dump_end; | |
1453 | for (reg = reg_start; reg <= reg_end; reg++) { | |
1454 | *dbg_ptr = sdio_readb(card->func, reg, &ret); | |
1455 | if (ret) { | |
1456 | BT_ERR("SDIO read err"); | |
1457 | goto done; | |
1458 | } | |
1459 | if (dbg_ptr < end_ptr) | |
1460 | dbg_ptr++; | |
1461 | else | |
1462 | BT_ERR("Allocated buffer not enough"); | |
1463 | } | |
1464 | ||
dd912f43 | 1465 | if (stat == RDWR_STATUS_DONE) { |
dc759613 XH |
1466 | BT_INFO("%s done: size=0x%tx", |
1467 | entry->mem_name, | |
1468 | dbg_ptr - entry->mem_ptr); | |
1469 | break; | |
1470 | } | |
1471 | } while (1); | |
1472 | } | |
1473 | ||
1474 | BT_INFO("== btmrvl firmware dump end =="); | |
1475 | ||
1476 | done: | |
1477 | sdio_release_host(card->func); | |
1478 | ||
1479 | if (fw_dump_len == 0) | |
1480 | return; | |
1481 | ||
785077fa | 1482 | fw_dump_data = vzalloc(fw_dump_len + 1); |
dc759613 XH |
1483 | if (!fw_dump_data) { |
1484 | BT_ERR("Vzalloc fw_dump_data fail!"); | |
1485 | return; | |
1486 | } | |
1487 | fw_dump_ptr = fw_dump_data; | |
1488 | ||
1489 | /* Dump all the memory data into single file, a userspace script will | |
d98422cb DR |
1490 | * be used to split all the memory data to multiple files |
1491 | */ | |
dc759613 XH |
1492 | BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump start"); |
1493 | for (idx = 0; idx < dump_num; idx++) { | |
1494 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
1495 | ||
1496 | if (entry->mem_ptr) { | |
785077fa LB |
1497 | size += scnprintf(fw_dump_ptr + size, |
1498 | fw_dump_len + 1 - size, | |
1499 | "========Start dump %s========\n", | |
1500 | entry->mem_name); | |
1501 | ||
1502 | memcpy(fw_dump_ptr + size, entry->mem_ptr, | |
1503 | entry->mem_size); | |
1504 | size += entry->mem_size; | |
1505 | ||
1506 | size += scnprintf(fw_dump_ptr + size, | |
1507 | fw_dump_len + 1 - size, | |
1508 | "\n========End dump========\n"); | |
dc759613 XH |
1509 | |
1510 | vfree(mem_type_mapping_tbl[idx].mem_ptr); | |
1511 | mem_type_mapping_tbl[idx].mem_ptr = NULL; | |
1512 | } | |
1513 | } | |
1514 | ||
1515 | /* fw_dump_data will be free in device coredump release function | |
d98422cb DR |
1516 | * after 5 min |
1517 | */ | |
d4902632 | 1518 | dev_coredumpv(&card->func->dev, fw_dump_data, fw_dump_len, GFP_KERNEL); |
dc759613 XH |
1519 | BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump end"); |
1520 | } | |
1521 | ||
789221ec | 1522 | static int btmrvl_sdio_probe(struct sdio_func *func, |
dcf47f3b | 1523 | const struct sdio_device_id *id) |
789221ec BZ |
1524 | { |
1525 | int ret = 0; | |
1526 | struct btmrvl_private *priv = NULL; | |
1527 | struct btmrvl_sdio_card *card = NULL; | |
1528 | ||
789221ec BZ |
1529 | BT_INFO("vendor=0x%x, device=0x%x, class=%d, fn=%d", |
1530 | id->vendor, id->device, id->class, func->num); | |
1531 | ||
eb17ea3b SK |
1532 | card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL); |
1533 | if (!card) | |
1534 | return -ENOMEM; | |
789221ec BZ |
1535 | |
1536 | card->func = func; | |
1537 | ||
dcf47f3b MH |
1538 | if (id->driver_data) { |
1539 | struct btmrvl_sdio_device *data = (void *) id->driver_data; | |
9f72c1d9 | 1540 | card->helper = data->helper; |
dcf47f3b | 1541 | card->firmware = data->firmware; |
9f72c1d9 KG |
1542 | card->reg = data->reg; |
1543 | card->sd_blksz_fw_dl = data->sd_blksz_fw_dl; | |
4df82b59 | 1544 | card->support_pscan_win_report = data->support_pscan_win_report; |
dc759613 | 1545 | card->supports_fw_dump = data->supports_fw_dump; |
dcf47f3b MH |
1546 | } |
1547 | ||
789221ec BZ |
1548 | if (btmrvl_sdio_register_dev(card) < 0) { |
1549 | BT_ERR("Failed to register BT device!"); | |
eb17ea3b | 1550 | return -ENODEV; |
789221ec BZ |
1551 | } |
1552 | ||
1553 | /* Disable the interrupts on the card */ | |
1554 | btmrvl_sdio_disable_host_int(card); | |
1555 | ||
1556 | if (btmrvl_sdio_download_fw(card)) { | |
1557 | BT_ERR("Downloading firmware failed!"); | |
1558 | ret = -ENODEV; | |
1559 | goto unreg_dev; | |
1560 | } | |
1561 | ||
789221ec BZ |
1562 | btmrvl_sdio_enable_host_int(card); |
1563 | ||
bb7f4f0b XH |
1564 | /* Device tree node parsing and platform specific configuration*/ |
1565 | btmrvl_sdio_probe_of(&func->dev, card); | |
1566 | ||
789221ec BZ |
1567 | priv = btmrvl_add_card(card); |
1568 | if (!priv) { | |
1569 | BT_ERR("Initializing card failed!"); | |
1570 | ret = -ENODEV; | |
1571 | goto disable_host_int; | |
1572 | } | |
1573 | ||
1574 | card->priv = priv; | |
1575 | ||
1576 | /* Initialize the interface specific function pointers */ | |
1577 | priv->hw_host_to_card = btmrvl_sdio_host_to_card; | |
1578 | priv->hw_wakeup_firmware = btmrvl_sdio_wakeup_fw; | |
d1d10d78 | 1579 | priv->hw_process_int_status = btmrvl_sdio_process_int_status; |
789221ec | 1580 | |
64061607 BZ |
1581 | if (btmrvl_register_hdev(priv)) { |
1582 | BT_ERR("Register hdev failed!"); | |
1583 | ret = -ENODEV; | |
1584 | goto disable_host_int; | |
1585 | } | |
1586 | ||
789221ec BZ |
1587 | return 0; |
1588 | ||
1589 | disable_host_int: | |
1590 | btmrvl_sdio_disable_host_int(card); | |
1591 | unreg_dev: | |
1592 | btmrvl_sdio_unregister_dev(card); | |
789221ec BZ |
1593 | return ret; |
1594 | } | |
1595 | ||
1596 | static void btmrvl_sdio_remove(struct sdio_func *func) | |
1597 | { | |
1598 | struct btmrvl_sdio_card *card; | |
1599 | ||
789221ec BZ |
1600 | if (func) { |
1601 | card = sdio_get_drvdata(func); | |
1602 | if (card) { | |
1603 | /* Send SHUTDOWN command & disable interrupt | |
1604 | * if user removes the module. | |
1605 | */ | |
1606 | if (user_rmmod) { | |
1607 | btmrvl_send_module_cfg_cmd(card->priv, | |
1608 | MODULE_SHUTDOWN_REQ); | |
1609 | btmrvl_sdio_disable_host_int(card); | |
1610 | } | |
e660b351 | 1611 | |
92322599 | 1612 | BT_DBG("unregister dev"); |
7b4b8740 | 1613 | card->priv->surprise_removed = true; |
789221ec BZ |
1614 | btmrvl_sdio_unregister_dev(card); |
1615 | btmrvl_remove_card(card->priv); | |
789221ec BZ |
1616 | } |
1617 | } | |
789221ec BZ |
1618 | } |
1619 | ||
ba54a16f AK |
1620 | static int btmrvl_sdio_suspend(struct device *dev) |
1621 | { | |
1622 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1623 | struct btmrvl_sdio_card *card; | |
1624 | struct btmrvl_private *priv; | |
1625 | mmc_pm_flag_t pm_flags; | |
1626 | struct hci_dev *hcidev; | |
1627 | ||
1628 | if (func) { | |
1629 | pm_flags = sdio_get_host_pm_caps(func); | |
1630 | BT_DBG("%s: suspend: PM flags = 0x%x", sdio_func_id(func), | |
1631 | pm_flags); | |
1632 | if (!(pm_flags & MMC_PM_KEEP_POWER)) { | |
1633 | BT_ERR("%s: cannot remain alive while suspended", | |
1634 | sdio_func_id(func)); | |
1635 | return -ENOSYS; | |
1636 | } | |
1637 | card = sdio_get_drvdata(func); | |
1638 | if (!card || !card->priv) { | |
1639 | BT_ERR("card or priv structure is not valid"); | |
1640 | return 0; | |
1641 | } | |
1642 | } else { | |
1643 | BT_ERR("sdio_func is not specified"); | |
1644 | return 0; | |
1645 | } | |
1646 | ||
bb7f4f0b | 1647 | /* Enable platform specific wakeup interrupt */ |
e660b351 APS |
1648 | if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0 && |
1649 | device_may_wakeup(dev)) { | |
bb7f4f0b XH |
1650 | card->plt_wake_cfg->wake_by_bt = false; |
1651 | enable_irq(card->plt_wake_cfg->irq_bt); | |
1652 | enable_irq_wake(card->plt_wake_cfg->irq_bt); | |
1653 | } | |
1654 | ||
ba54a16f | 1655 | priv = card->priv; |
8cf60cf2 | 1656 | priv->adapter->is_suspending = true; |
5bf8a748 CRL |
1657 | hcidev = priv->btmrvl_dev.hcidev; |
1658 | BT_DBG("%s: SDIO suspend", hcidev->name); | |
1659 | hci_suspend_dev(hcidev); | |
ba54a16f AK |
1660 | |
1661 | if (priv->adapter->hs_state != HS_ACTIVATED) { | |
1662 | if (btmrvl_enable_hs(priv)) { | |
8f91566f | 1663 | BT_ERR("HS not activated, suspend failed!"); |
6eb7bd66 XH |
1664 | /* Disable platform specific wakeup interrupt */ |
1665 | if (card->plt_wake_cfg && | |
e660b351 APS |
1666 | card->plt_wake_cfg->irq_bt >= 0 && |
1667 | device_may_wakeup(dev)) { | |
6eb7bd66 XH |
1668 | disable_irq_wake(card->plt_wake_cfg->irq_bt); |
1669 | disable_irq(card->plt_wake_cfg->irq_bt); | |
1670 | } | |
1671 | ||
e7acf430 | 1672 | priv->adapter->is_suspending = false; |
ba54a16f AK |
1673 | return -EBUSY; |
1674 | } | |
1675 | } | |
ba54a16f | 1676 | |
8cf60cf2 | 1677 | priv->adapter->is_suspending = false; |
ba54a16f AK |
1678 | priv->adapter->is_suspended = true; |
1679 | ||
1680 | /* We will keep the power when hs enabled successfully */ | |
1681 | if (priv->adapter->hs_state == HS_ACTIVATED) { | |
1682 | BT_DBG("suspend with MMC_PM_KEEP_POWER"); | |
1683 | return sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); | |
ba54a16f | 1684 | } |
f1554b7b | 1685 | |
1686 | BT_DBG("suspend without MMC_PM_KEEP_POWER"); | |
1687 | return 0; | |
ba54a16f AK |
1688 | } |
1689 | ||
1690 | static int btmrvl_sdio_resume(struct device *dev) | |
1691 | { | |
1692 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1693 | struct btmrvl_sdio_card *card; | |
1694 | struct btmrvl_private *priv; | |
1695 | mmc_pm_flag_t pm_flags; | |
1696 | struct hci_dev *hcidev; | |
1697 | ||
1698 | if (func) { | |
1699 | pm_flags = sdio_get_host_pm_caps(func); | |
1700 | BT_DBG("%s: resume: PM flags = 0x%x", sdio_func_id(func), | |
1701 | pm_flags); | |
1702 | card = sdio_get_drvdata(func); | |
1703 | if (!card || !card->priv) { | |
1704 | BT_ERR("card or priv structure is not valid"); | |
1705 | return 0; | |
1706 | } | |
1707 | } else { | |
1708 | BT_ERR("sdio_func is not specified"); | |
1709 | return 0; | |
1710 | } | |
1711 | priv = card->priv; | |
1712 | ||
1713 | if (!priv->adapter->is_suspended) { | |
1714 | BT_DBG("device already resumed"); | |
1715 | return 0; | |
1716 | } | |
1717 | ||
ba54a16f AK |
1718 | priv->hw_wakeup_firmware(priv); |
1719 | priv->adapter->hs_state = HS_DEACTIVATED; | |
5bf8a748 | 1720 | hcidev = priv->btmrvl_dev.hcidev; |
ba54a16f | 1721 | BT_DBG("%s: HS DEACTIVATED in resume!", hcidev->name); |
5bf8a748 CRL |
1722 | priv->adapter->is_suspended = false; |
1723 | BT_DBG("%s: SDIO resume", hcidev->name); | |
1724 | hci_resume_dev(hcidev); | |
ba54a16f | 1725 | |
bb7f4f0b | 1726 | /* Disable platform specific wakeup interrupt */ |
e660b351 APS |
1727 | if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0 && |
1728 | device_may_wakeup(dev)) { | |
bb7f4f0b | 1729 | disable_irq_wake(card->plt_wake_cfg->irq_bt); |
9af02d86 JC |
1730 | disable_irq(card->plt_wake_cfg->irq_bt); |
1731 | if (card->plt_wake_cfg->wake_by_bt) | |
1732 | /* Undo our disable, since interrupt handler already | |
1733 | * did this. | |
1734 | */ | |
1735 | enable_irq(card->plt_wake_cfg->irq_bt); | |
bb7f4f0b XH |
1736 | } |
1737 | ||
ba54a16f AK |
1738 | return 0; |
1739 | } | |
1740 | ||
1741 | static const struct dev_pm_ops btmrvl_sdio_pm_ops = { | |
1742 | .suspend = btmrvl_sdio_suspend, | |
1743 | .resume = btmrvl_sdio_resume, | |
1744 | }; | |
1745 | ||
789221ec BZ |
1746 | static struct sdio_driver bt_mrvl_sdio = { |
1747 | .name = "btmrvl_sdio", | |
1748 | .id_table = btmrvl_sdio_ids, | |
1749 | .probe = btmrvl_sdio_probe, | |
1750 | .remove = btmrvl_sdio_remove, | |
ba54a16f AK |
1751 | .drv = { |
1752 | .owner = THIS_MODULE, | |
45650499 | 1753 | .coredump = btmrvl_sdio_coredump, |
ba54a16f AK |
1754 | .pm = &btmrvl_sdio_pm_ops, |
1755 | } | |
789221ec BZ |
1756 | }; |
1757 | ||
8e5b2308 | 1758 | static int __init btmrvl_sdio_init_module(void) |
789221ec | 1759 | { |
789221ec BZ |
1760 | if (sdio_register_driver(&bt_mrvl_sdio) != 0) { |
1761 | BT_ERR("SDIO Driver Registration Failed"); | |
789221ec BZ |
1762 | return -ENODEV; |
1763 | } | |
1764 | ||
1765 | /* Clear the flag in case user removes the card. */ | |
1766 | user_rmmod = 0; | |
1767 | ||
789221ec BZ |
1768 | return 0; |
1769 | } | |
1770 | ||
8e5b2308 | 1771 | static void __exit btmrvl_sdio_exit_module(void) |
789221ec | 1772 | { |
789221ec BZ |
1773 | /* Set the flag as user is removing this module. */ |
1774 | user_rmmod = 1; | |
1775 | ||
1776 | sdio_unregister_driver(&bt_mrvl_sdio); | |
789221ec BZ |
1777 | } |
1778 | ||
1779 | module_init(btmrvl_sdio_init_module); | |
1780 | module_exit(btmrvl_sdio_exit_module); | |
1781 | ||
1782 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 1783 | MODULE_DESCRIPTION("Marvell BT-over-SDIO driver ver " VERSION); |
789221ec BZ |
1784 | MODULE_VERSION(VERSION); |
1785 | MODULE_LICENSE("GPL v2"); | |
77189df4 LR |
1786 | MODULE_FIRMWARE("mrvl/sd8688_helper.bin"); |
1787 | MODULE_FIRMWARE("mrvl/sd8688.bin"); | |
9f72c1d9 | 1788 | MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin"); |
2ac654f7 | 1789 | MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin"); |
3907d558 | 1790 | MODULE_FIRMWARE("mrvl/sd8887_uapsta.bin"); |
22f2efed | 1791 | MODULE_FIRMWARE("mrvl/sd8897_uapsta.bin"); |
dbec3af5 | 1792 | MODULE_FIRMWARE("mrvl/sdsd8977_combo_v2.bin"); |
73623340 | 1793 | MODULE_FIRMWARE("mrvl/sd8987_uapsta.bin"); |
00eb0cb3 | 1794 | MODULE_FIRMWARE("mrvl/sdsd8997_combo_v4.bin"); |