Commit | Line | Data |
---|---|---|
5e6e3a92 BZ |
1 | /* |
2 | * Marvell Wireless LAN device driver: SDIO specific handling | |
3 | * | |
65da33f5 | 4 | * Copyright (C) 2011-2014, Marvell International Ltd. |
5e6e3a92 BZ |
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 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE | |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE | |
16 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about | |
17 | * this warranty disclaimer. | |
18 | */ | |
19 | ||
20 | #include <linux/firmware.h> | |
21 | ||
22 | #include "decl.h" | |
23 | #include "ioctl.h" | |
24 | #include "util.h" | |
25 | #include "fw.h" | |
26 | #include "main.h" | |
27 | #include "wmm.h" | |
28 | #include "11n.h" | |
29 | #include "sdio.h" | |
30 | ||
31 | ||
32 | #define SDIO_VERSION "1.0" | |
33 | ||
41efaf58 | 34 | static void mwifiex_sdio_work(struct work_struct *work); |
41efaf58 | 35 | |
5e6e3a92 BZ |
36 | static struct mwifiex_if_ops sdio_ops; |
37 | ||
eee7f196 ZL |
38 | static struct memory_type_mapping generic_mem_type_map[] = { |
39 | {"DUMP", NULL, 0, 0xDD}, | |
40 | }; | |
41 | ||
54881c6b AK |
42 | static struct memory_type_mapping mem_type_mapping_tbl[] = { |
43 | {"ITCM", NULL, 0, 0xF0}, | |
44 | {"DTCM", NULL, 0, 0xF1}, | |
45 | {"SQRAM", NULL, 0, 0xF2}, | |
46 | {"APU", NULL, 0, 0xF3}, | |
47 | {"CIU", NULL, 0, 0xF4}, | |
48 | {"ICU", NULL, 0, 0xF5}, | |
49 | {"MAC", NULL, 0, 0xF6}, | |
50 | {"EXT7", NULL, 0, 0xF7}, | |
51 | {"EXT8", NULL, 0, 0xF8}, | |
52 | {"EXT9", NULL, 0, 0xF9}, | |
53 | {"EXT10", NULL, 0, 0xFA}, | |
54 | {"EXT11", NULL, 0, 0xFB}, | |
55 | {"EXT12", NULL, 0, 0xFC}, | |
56 | {"EXT13", NULL, 0, 0xFD}, | |
57 | {"EXTLAST", NULL, 0, 0xFE}, | |
58 | }; | |
59 | ||
ce4f6f0c XH |
60 | static const struct of_device_id mwifiex_sdio_of_match_table[] = { |
61 | { .compatible = "marvell,sd8897" }, | |
62 | { .compatible = "marvell,sd8997" }, | |
63 | { } | |
64 | }; | |
65 | ||
ce4f6f0c XH |
66 | /* This function parse device tree node using mmc subnode devicetree API. |
67 | * The device node is saved in card->plt_of_node. | |
68 | * if the device tree node exist and include interrupts attributes, this | |
69 | * function will also request platform specific wakeup interrupt. | |
70 | */ | |
853402a0 | 71 | static int mwifiex_sdio_probe_of(struct device *dev) |
ce4f6f0c | 72 | { |
6f49208f | 73 | if (!of_match_node(mwifiex_sdio_of_match_table, dev->of_node)) { |
5e94913f JMC |
74 | dev_err(dev, "required compatible string missing\n"); |
75 | return -EINVAL; | |
ce4f6f0c XH |
76 | } |
77 | ||
ce4f6f0c XH |
78 | return 0; |
79 | } | |
80 | ||
5e6e3a92 BZ |
81 | /* |
82 | * SDIO probe. | |
83 | * | |
84 | * This function probes an mwifiex device and registers it. It allocates | |
85 | * the card structure, enables SDIO function number and initiates the | |
86 | * device registration and initialization procedure by adding a logical | |
87 | * interface. | |
88 | */ | |
89 | static int | |
90 | mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id) | |
91 | { | |
270e58e8 | 92 | int ret; |
5e6e3a92 BZ |
93 | struct sdio_mmc_card *card = NULL; |
94 | ||
95 | pr_debug("info: vendor=0x%4.04X device=0x%4.04X class=%d function=%d\n", | |
5dbd326c | 96 | func->vendor, func->device, func->class, func->num); |
5e6e3a92 | 97 | |
66b9c182 | 98 | card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL); |
e404decb | 99 | if (!card) |
5e6e3a92 | 100 | return -ENOMEM; |
5e6e3a92 | 101 | |
4a79aa17 BN |
102 | init_completion(&card->fw_done); |
103 | ||
5e6e3a92 BZ |
104 | card->func = func; |
105 | ||
106 | func->card->quirks |= MMC_QUIRK_BLKSZ_FOR_BYTE_MODE; | |
107 | ||
05889f82 AK |
108 | if (id->driver_data) { |
109 | struct mwifiex_sdio_device *data = (void *)id->driver_data; | |
110 | ||
111 | card->firmware = data->firmware; | |
112 | card->reg = data->reg; | |
113 | card->max_ports = data->max_ports; | |
114 | card->mp_agg_pkt_limit = data->mp_agg_pkt_limit; | |
b60186f8 YAP |
115 | card->supports_sdio_new_mode = data->supports_sdio_new_mode; |
116 | card->has_control_mask = data->has_control_mask; | |
828cf222 | 117 | card->tx_buf_size = data->tx_buf_size; |
e1aa93a4 AK |
118 | card->mp_tx_agg_buf_size = data->mp_tx_agg_buf_size; |
119 | card->mp_rx_agg_buf_size = data->mp_rx_agg_buf_size; | |
b4e8aebb | 120 | card->can_dump_fw = data->can_dump_fw; |
eee7f196 | 121 | card->fw_dump_enh = data->fw_dump_enh; |
b4e8aebb | 122 | card->can_auto_tdls = data->can_auto_tdls; |
1fe192d8 | 123 | card->can_ext_scan = data->can_ext_scan; |
cc75c577 | 124 | INIT_WORK(&card->work, mwifiex_sdio_work); |
05889f82 AK |
125 | } |
126 | ||
5e6e3a92 BZ |
127 | sdio_claim_host(func); |
128 | ret = sdio_enable_func(func); | |
129 | sdio_release_host(func); | |
130 | ||
131 | if (ret) { | |
d3f04ece | 132 | dev_err(&func->dev, "failed to enable function\n"); |
66b9c182 | 133 | return ret; |
5e6e3a92 BZ |
134 | } |
135 | ||
ce4f6f0c | 136 | /* device tree node parsing and platform specific configuration*/ |
213d9421 | 137 | if (func->dev.of_node) { |
853402a0 RJ |
138 | ret = mwifiex_sdio_probe_of(&func->dev); |
139 | if (ret) | |
213d9421 | 140 | goto err_disable; |
213d9421 | 141 | } |
ce4f6f0c | 142 | |
4a79aa17 | 143 | ret = mwifiex_add_card(card, &card->fw_done, &sdio_ops, |
2e02b581 | 144 | MWIFIEX_SDIO, &func->dev); |
032e0f54 | 145 | if (ret) { |
d3f04ece | 146 | dev_err(&func->dev, "add card failed\n"); |
a82f65aa | 147 | goto err_disable; |
5e6e3a92 BZ |
148 | } |
149 | ||
a82f65aa JMC |
150 | return 0; |
151 | ||
152 | err_disable: | |
153 | sdio_claim_host(func); | |
154 | sdio_disable_func(func); | |
155 | sdio_release_host(func); | |
a82f65aa | 156 | |
5e6e3a92 BZ |
157 | return ret; |
158 | } | |
159 | ||
2cdf359a AK |
160 | /* |
161 | * SDIO resume. | |
162 | * | |
163 | * Kernel needs to suspend all functions separately. Therefore all | |
164 | * registered functions must have drivers with suspend and resume | |
165 | * methods. Failing that the kernel simply removes the whole card. | |
166 | * | |
167 | * If already not resumed, this function turns on the traffic and | |
168 | * sends a host sleep cancel request to the firmware. | |
169 | */ | |
170 | static int mwifiex_sdio_resume(struct device *dev) | |
171 | { | |
172 | struct sdio_func *func = dev_to_sdio_func(dev); | |
173 | struct sdio_mmc_card *card; | |
174 | struct mwifiex_adapter *adapter; | |
2cdf359a | 175 | |
6caf34cb BN |
176 | card = sdio_get_drvdata(func); |
177 | if (!card || !card->adapter) { | |
178 | dev_err(dev, "resume: invalid card or adapter\n"); | |
2cdf359a AK |
179 | return 0; |
180 | } | |
181 | ||
182 | adapter = card->adapter; | |
183 | ||
184 | if (!adapter->is_suspended) { | |
acebe8c1 ZL |
185 | mwifiex_dbg(adapter, WARN, |
186 | "device already resumed\n"); | |
2cdf359a AK |
187 | return 0; |
188 | } | |
189 | ||
190 | adapter->is_suspended = false; | |
191 | ||
192 | /* Disable Host Sleep */ | |
193 | mwifiex_cancel_hs(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA), | |
a92277bc | 194 | MWIFIEX_SYNC_CMD); |
2cdf359a | 195 | |
853402a0 | 196 | mwifiex_disable_wake(adapter); |
ce4f6f0c | 197 | |
2cdf359a AK |
198 | return 0; |
199 | } | |
200 | ||
90ff71f9 XH |
201 | /* Write data into SDIO card register. Caller claims SDIO device. */ |
202 | static int | |
203 | mwifiex_write_reg_locked(struct sdio_func *func, u32 reg, u8 data) | |
204 | { | |
205 | int ret = -1; | |
206 | ||
207 | sdio_writeb(func, data, reg, &ret); | |
208 | return ret; | |
209 | } | |
210 | ||
211 | /* This function writes data into SDIO card register. | |
212 | */ | |
213 | static int | |
214 | mwifiex_write_reg(struct mwifiex_adapter *adapter, u32 reg, u8 data) | |
215 | { | |
216 | struct sdio_mmc_card *card = adapter->card; | |
217 | int ret; | |
218 | ||
219 | sdio_claim_host(card->func); | |
220 | ret = mwifiex_write_reg_locked(card->func, reg, data); | |
221 | sdio_release_host(card->func); | |
222 | ||
223 | return ret; | |
224 | } | |
225 | ||
226 | /* This function reads data from SDIO card register. | |
227 | */ | |
228 | static int | |
229 | mwifiex_read_reg(struct mwifiex_adapter *adapter, u32 reg, u8 *data) | |
230 | { | |
231 | struct sdio_mmc_card *card = adapter->card; | |
232 | int ret = -1; | |
233 | u8 val; | |
234 | ||
235 | sdio_claim_host(card->func); | |
236 | val = sdio_readb(card->func, reg, &ret); | |
237 | sdio_release_host(card->func); | |
238 | ||
239 | *data = val; | |
240 | ||
241 | return ret; | |
242 | } | |
243 | ||
244 | /* This function writes multiple data into SDIO card memory. | |
245 | * | |
246 | * This does not work in suspended mode. | |
247 | */ | |
248 | static int | |
249 | mwifiex_write_data_sync(struct mwifiex_adapter *adapter, | |
250 | u8 *buffer, u32 pkt_len, u32 port) | |
251 | { | |
252 | struct sdio_mmc_card *card = adapter->card; | |
253 | int ret; | |
254 | u8 blk_mode = | |
255 | (port & MWIFIEX_SDIO_BYTE_MODE_MASK) ? BYTE_MODE : BLOCK_MODE; | |
256 | u32 blk_size = (blk_mode == BLOCK_MODE) ? MWIFIEX_SDIO_BLOCK_SIZE : 1; | |
257 | u32 blk_cnt = | |
258 | (blk_mode == | |
259 | BLOCK_MODE) ? (pkt_len / | |
260 | MWIFIEX_SDIO_BLOCK_SIZE) : pkt_len; | |
261 | u32 ioport = (port & MWIFIEX_SDIO_IO_PORT_MASK); | |
262 | ||
263 | if (adapter->is_suspended) { | |
264 | mwifiex_dbg(adapter, ERROR, | |
265 | "%s: not allowed while suspended\n", __func__); | |
266 | return -1; | |
267 | } | |
268 | ||
269 | sdio_claim_host(card->func); | |
270 | ||
271 | ret = sdio_writesb(card->func, ioport, buffer, blk_cnt * blk_size); | |
272 | ||
273 | sdio_release_host(card->func); | |
274 | ||
275 | return ret; | |
276 | } | |
277 | ||
278 | /* This function reads multiple data from SDIO card memory. | |
279 | */ | |
280 | static int mwifiex_read_data_sync(struct mwifiex_adapter *adapter, u8 *buffer, | |
281 | u32 len, u32 port, u8 claim) | |
282 | { | |
283 | struct sdio_mmc_card *card = adapter->card; | |
284 | int ret; | |
285 | u8 blk_mode = (port & MWIFIEX_SDIO_BYTE_MODE_MASK) ? BYTE_MODE | |
286 | : BLOCK_MODE; | |
287 | u32 blk_size = (blk_mode == BLOCK_MODE) ? MWIFIEX_SDIO_BLOCK_SIZE : 1; | |
288 | u32 blk_cnt = (blk_mode == BLOCK_MODE) ? (len / MWIFIEX_SDIO_BLOCK_SIZE) | |
289 | : len; | |
290 | u32 ioport = (port & MWIFIEX_SDIO_IO_PORT_MASK); | |
291 | ||
292 | if (claim) | |
293 | sdio_claim_host(card->func); | |
294 | ||
295 | ret = sdio_readsb(card->func, buffer, ioport, blk_cnt * blk_size); | |
296 | ||
297 | if (claim) | |
298 | sdio_release_host(card->func); | |
299 | ||
300 | return ret; | |
301 | } | |
302 | ||
303 | /* This function reads the firmware status. | |
304 | */ | |
305 | static int | |
306 | mwifiex_sdio_read_fw_status(struct mwifiex_adapter *adapter, u16 *dat) | |
307 | { | |
308 | struct sdio_mmc_card *card = adapter->card; | |
309 | const struct mwifiex_sdio_card_reg *reg = card->reg; | |
310 | u8 fws0, fws1; | |
311 | ||
312 | if (mwifiex_read_reg(adapter, reg->status_reg_0, &fws0)) | |
313 | return -1; | |
314 | ||
315 | if (mwifiex_read_reg(adapter, reg->status_reg_1, &fws1)) | |
316 | return -1; | |
317 | ||
318 | *dat = (u16)((fws1 << 8) | fws0); | |
319 | return 0; | |
320 | } | |
321 | ||
322 | /* This function checks the firmware status in card. | |
323 | */ | |
324 | static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter, | |
325 | u32 poll_num) | |
326 | { | |
327 | int ret = 0; | |
328 | u16 firmware_stat; | |
329 | u32 tries; | |
330 | ||
331 | for (tries = 0; tries < poll_num; tries++) { | |
332 | ret = mwifiex_sdio_read_fw_status(adapter, &firmware_stat); | |
333 | if (ret) | |
334 | continue; | |
335 | if (firmware_stat == FIRMWARE_READY_SDIO) { | |
336 | ret = 0; | |
337 | break; | |
338 | } | |
339 | ||
340 | msleep(100); | |
341 | ret = -1; | |
342 | } | |
343 | ||
344 | return ret; | |
345 | } | |
346 | ||
347 | /* This function checks if WLAN is the winner. | |
348 | */ | |
349 | static int mwifiex_check_winner_status(struct mwifiex_adapter *adapter) | |
350 | { | |
351 | int ret = 0; | |
352 | u8 winner = 0; | |
353 | struct sdio_mmc_card *card = adapter->card; | |
354 | ||
355 | if (mwifiex_read_reg(adapter, card->reg->status_reg_0, &winner)) | |
356 | return -1; | |
357 | ||
358 | if (winner) | |
359 | adapter->winner = 0; | |
360 | else | |
361 | adapter->winner = 1; | |
362 | ||
363 | return ret; | |
364 | } | |
365 | ||
5e6e3a92 BZ |
366 | /* |
367 | * SDIO remove. | |
368 | * | |
369 | * This function removes the interface and frees up the card structure. | |
370 | */ | |
371 | static void | |
a7513a4f | 372 | mwifiex_sdio_remove(struct sdio_func *func) |
5e6e3a92 BZ |
373 | { |
374 | struct sdio_mmc_card *card; | |
287546df | 375 | struct mwifiex_adapter *adapter; |
5dbd326c | 376 | struct mwifiex_private *priv; |
045f0c1b XH |
377 | int ret = 0; |
378 | u16 firmware_stat; | |
5e6e3a92 | 379 | |
287546df AK |
380 | card = sdio_get_drvdata(func); |
381 | if (!card) | |
382 | return; | |
383 | ||
4a79aa17 BN |
384 | wait_for_completion(&card->fw_done); |
385 | ||
287546df AK |
386 | adapter = card->adapter; |
387 | if (!adapter || !adapter->priv_num) | |
388 | return; | |
389 | ||
acebe8c1 ZL |
390 | mwifiex_dbg(adapter, INFO, "info: SDIO func num=%d\n", func->num); |
391 | ||
045f0c1b | 392 | ret = mwifiex_sdio_read_fw_status(adapter, &firmware_stat); |
f46a5b01 SL |
393 | if (!ret && firmware_stat == FIRMWARE_READY_SDIO && |
394 | !adapter->mfg_mode) { | |
848819f4 | 395 | mwifiex_deauthenticate_all(adapter); |
287546df | 396 | |
5dbd326c YAP |
397 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
398 | mwifiex_disable_auto_ds(priv); | |
399 | mwifiex_init_shutdown_fw(priv, MWIFIEX_FUNC_SHUTDOWN); | |
5e6e3a92 | 400 | } |
287546df | 401 | |
4a79aa17 | 402 | mwifiex_remove_card(adapter); |
5e6e3a92 BZ |
403 | } |
404 | ||
405 | /* | |
406 | * SDIO suspend. | |
407 | * | |
408 | * Kernel needs to suspend all functions separately. Therefore all | |
409 | * registered functions must have drivers with suspend and resume | |
410 | * methods. Failing that the kernel simply removes the whole card. | |
411 | * | |
412 | * If already not suspended, this function allocates and sends a host | |
413 | * sleep activate request to the firmware and turns off the traffic. | |
414 | */ | |
415 | static int mwifiex_sdio_suspend(struct device *dev) | |
416 | { | |
417 | struct sdio_func *func = dev_to_sdio_func(dev); | |
418 | struct sdio_mmc_card *card; | |
270e58e8 | 419 | struct mwifiex_adapter *adapter; |
5e6e3a92 | 420 | mmc_pm_flag_t pm_flag = 0; |
5e6e3a92 BZ |
421 | int ret = 0; |
422 | ||
6caf34cb BN |
423 | pm_flag = sdio_get_host_pm_caps(func); |
424 | pr_debug("cmd: %s: suspend: PM flag = 0x%x\n", | |
425 | sdio_func_id(func), pm_flag); | |
426 | if (!(pm_flag & MMC_PM_KEEP_POWER)) { | |
427 | dev_err(dev, "%s: cannot remain alive while host is" | |
428 | " suspended\n", sdio_func_id(func)); | |
429 | return -ENOSYS; | |
430 | } | |
431 | ||
432 | card = sdio_get_drvdata(func); | |
433 | if (!card) { | |
434 | dev_err(dev, "suspend: invalid card\n"); | |
5e6e3a92 BZ |
435 | return 0; |
436 | } | |
437 | ||
b42dbb27 BN |
438 | /* Might still be loading firmware */ |
439 | wait_for_completion(&card->fw_done); | |
440 | ||
5e6e3a92 | 441 | adapter = card->adapter; |
b42dbb27 BN |
442 | if (!adapter) { |
443 | dev_err(dev, "adapter is not valid\n"); | |
444 | return 0; | |
445 | } | |
446 | ||
853402a0 | 447 | mwifiex_enable_wake(adapter); |
ce4f6f0c | 448 | |
5e6e3a92 | 449 | /* Enable the Host Sleep */ |
dd321acd | 450 | if (!mwifiex_enable_hs(adapter)) { |
acebe8c1 ZL |
451 | mwifiex_dbg(adapter, ERROR, |
452 | "cmd: failed to suspend\n"); | |
c0dbba66 | 453 | adapter->hs_enabling = false; |
d96e3927 | 454 | mwifiex_disable_wake(adapter); |
dd321acd | 455 | return -EFAULT; |
5e6e3a92 BZ |
456 | } |
457 | ||
acebe8c1 ZL |
458 | mwifiex_dbg(adapter, INFO, |
459 | "cmd: suspend with MMC_PM_KEEP_POWER\n"); | |
dd321acd BZ |
460 | ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); |
461 | ||
5e6e3a92 BZ |
462 | /* Indicate device suspended */ |
463 | adapter->is_suspended = true; | |
c0dbba66 | 464 | adapter->hs_enabling = false; |
5e6e3a92 | 465 | |
5e6e3a92 BZ |
466 | return ret; |
467 | } | |
468 | ||
21c5c83c AVS |
469 | static void mwifiex_sdio_coredump(struct device *dev) |
470 | { | |
471 | struct sdio_func *func = dev_to_sdio_func(dev); | |
472 | struct sdio_mmc_card *card; | |
473 | ||
474 | card = sdio_get_drvdata(func); | |
475 | if (!test_and_set_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, | |
476 | &card->work_flags)) | |
477 | schedule_work(&card->work); | |
478 | } | |
479 | ||
98e6b9df W |
480 | /* Device ID for SD8786 */ |
481 | #define SDIO_DEVICE_ID_MARVELL_8786 (0x9116) | |
5e6e3a92 BZ |
482 | /* Device ID for SD8787 */ |
483 | #define SDIO_DEVICE_ID_MARVELL_8787 (0x9119) | |
e3bea1c8 BZ |
484 | /* Device ID for SD8797 */ |
485 | #define SDIO_DEVICE_ID_MARVELL_8797 (0x9129) | |
b60186f8 YAP |
486 | /* Device ID for SD8897 */ |
487 | #define SDIO_DEVICE_ID_MARVELL_8897 (0x912d) | |
030bb75a AP |
488 | /* Device ID for SD8887 */ |
489 | #define SDIO_DEVICE_ID_MARVELL_8887 (0x9135) | |
52bd3d20 YAP |
490 | /* Device ID for SD8801 */ |
491 | #define SDIO_DEVICE_ID_MARVELL_8801 (0x9139) | |
6d85ef00 ZL |
492 | /* Device ID for SD8997 */ |
493 | #define SDIO_DEVICE_ID_MARVELL_8997 (0x9141) | |
52bd3d20 | 494 | |
5e6e3a92 BZ |
495 | |
496 | /* WLAN IDs */ | |
497 | static const struct sdio_device_id mwifiex_ids[] = { | |
05889f82 AK |
498 | {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8786), |
499 | .driver_data = (unsigned long) &mwifiex_sdio_sd8786}, | |
500 | {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787), | |
501 | .driver_data = (unsigned long) &mwifiex_sdio_sd8787}, | |
502 | {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797), | |
503 | .driver_data = (unsigned long) &mwifiex_sdio_sd8797}, | |
b60186f8 YAP |
504 | {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8897), |
505 | .driver_data = (unsigned long) &mwifiex_sdio_sd8897}, | |
030bb75a AP |
506 | {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887), |
507 | .driver_data = (unsigned long)&mwifiex_sdio_sd8887}, | |
52bd3d20 YAP |
508 | {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8801), |
509 | .driver_data = (unsigned long)&mwifiex_sdio_sd8801}, | |
6d85ef00 ZL |
510 | {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8997), |
511 | .driver_data = (unsigned long)&mwifiex_sdio_sd8997}, | |
5e6e3a92 BZ |
512 | {}, |
513 | }; | |
514 | ||
515 | MODULE_DEVICE_TABLE(sdio, mwifiex_ids); | |
516 | ||
517 | static const struct dev_pm_ops mwifiex_sdio_pm_ops = { | |
518 | .suspend = mwifiex_sdio_suspend, | |
519 | .resume = mwifiex_sdio_resume, | |
520 | }; | |
521 | ||
522 | static struct sdio_driver mwifiex_sdio = { | |
523 | .name = "mwifiex_sdio", | |
524 | .id_table = mwifiex_ids, | |
525 | .probe = mwifiex_sdio_probe, | |
526 | .remove = mwifiex_sdio_remove, | |
527 | .drv = { | |
528 | .owner = THIS_MODULE, | |
21c5c83c | 529 | .coredump = mwifiex_sdio_coredump, |
5e6e3a92 BZ |
530 | .pm = &mwifiex_sdio_pm_ops, |
531 | } | |
532 | }; | |
533 | ||
5e6e3a92 BZ |
534 | /* |
535 | * This function wakes up the card. | |
536 | * | |
537 | * A host power up command is written to the card configuration | |
538 | * register to wake up the card. | |
539 | */ | |
540 | static int mwifiex_pm_wakeup_card(struct mwifiex_adapter *adapter) | |
541 | { | |
acebe8c1 ZL |
542 | mwifiex_dbg(adapter, EVENT, |
543 | "event: wakeup device...\n"); | |
5e6e3a92 | 544 | |
636c4598 | 545 | return mwifiex_write_reg(adapter, CONFIGURATION_REG, HOST_POWER_UP); |
5e6e3a92 BZ |
546 | } |
547 | ||
548 | /* | |
549 | * This function is called after the card has woken up. | |
550 | * | |
551 | * The card configuration register is reset. | |
552 | */ | |
553 | static int mwifiex_pm_wakeup_card_complete(struct mwifiex_adapter *adapter) | |
554 | { | |
acebe8c1 ZL |
555 | mwifiex_dbg(adapter, EVENT, |
556 | "cmd: wakeup device completed\n"); | |
5e6e3a92 | 557 | |
636c4598 | 558 | return mwifiex_write_reg(adapter, CONFIGURATION_REG, 0); |
5e6e3a92 BZ |
559 | } |
560 | ||
2095b142 AB |
561 | static int mwifiex_sdio_dnld_fw(struct mwifiex_adapter *adapter, |
562 | struct mwifiex_fw_image *fw) | |
563 | { | |
564 | struct sdio_mmc_card *card = adapter->card; | |
565 | int ret; | |
566 | ||
567 | sdio_claim_host(card->func); | |
568 | ret = mwifiex_dnld_fw(adapter, fw); | |
569 | sdio_release_host(card->func); | |
570 | ||
571 | return ret; | |
572 | } | |
573 | ||
5e6e3a92 | 574 | /* |
b60186f8 YAP |
575 | * This function is used to initialize IO ports for the |
576 | * chipsets supporting SDIO new mode eg SD8897. | |
577 | */ | |
578 | static int mwifiex_init_sdio_new_mode(struct mwifiex_adapter *adapter) | |
579 | { | |
580 | u8 reg; | |
554a0113 | 581 | struct sdio_mmc_card *card = adapter->card; |
b60186f8 YAP |
582 | |
583 | adapter->ioport = MEM_PORT; | |
584 | ||
585 | /* enable sdio new mode */ | |
554a0113 | 586 | if (mwifiex_read_reg(adapter, card->reg->card_cfg_2_1_reg, ®)) |
b60186f8 | 587 | return -1; |
554a0113 | 588 | if (mwifiex_write_reg(adapter, card->reg->card_cfg_2_1_reg, |
b60186f8 YAP |
589 | reg | CMD53_NEW_MODE)) |
590 | return -1; | |
591 | ||
592 | /* Configure cmd port and enable reading rx length from the register */ | |
554a0113 | 593 | if (mwifiex_read_reg(adapter, card->reg->cmd_cfg_0, ®)) |
b60186f8 | 594 | return -1; |
554a0113 AP |
595 | if (mwifiex_write_reg(adapter, card->reg->cmd_cfg_0, |
596 | reg | CMD_PORT_RD_LEN_EN)) | |
b60186f8 YAP |
597 | return -1; |
598 | ||
599 | /* Enable Dnld/Upld ready auto reset for cmd port after cmd53 is | |
600 | * completed | |
601 | */ | |
554a0113 | 602 | if (mwifiex_read_reg(adapter, card->reg->cmd_cfg_1, ®)) |
b60186f8 | 603 | return -1; |
554a0113 AP |
604 | if (mwifiex_write_reg(adapter, card->reg->cmd_cfg_1, |
605 | reg | CMD_PORT_AUTO_EN)) | |
b60186f8 YAP |
606 | return -1; |
607 | ||
608 | return 0; | |
609 | } | |
610 | ||
611 | /* This function initializes the IO ports. | |
5e6e3a92 BZ |
612 | * |
613 | * The following operations are performed - | |
614 | * - Read the IO ports (0, 1 and 2) | |
615 | * - Set host interrupt Reset-To-Read to clear | |
616 | * - Set auto re-enable interrupt | |
617 | */ | |
618 | static int mwifiex_init_sdio_ioport(struct mwifiex_adapter *adapter) | |
619 | { | |
ab93d4ff | 620 | u8 reg; |
05889f82 | 621 | struct sdio_mmc_card *card = adapter->card; |
5e6e3a92 BZ |
622 | |
623 | adapter->ioport = 0; | |
624 | ||
b60186f8 YAP |
625 | if (card->supports_sdio_new_mode) { |
626 | if (mwifiex_init_sdio_new_mode(adapter)) | |
627 | return -1; | |
628 | goto cont; | |
629 | } | |
630 | ||
5e6e3a92 | 631 | /* Read the IO port */ |
554a0113 | 632 | if (!mwifiex_read_reg(adapter, card->reg->io_port_0_reg, ®)) |
5e6e3a92 BZ |
633 | adapter->ioport |= (reg & 0xff); |
634 | else | |
635 | return -1; | |
636 | ||
554a0113 | 637 | if (!mwifiex_read_reg(adapter, card->reg->io_port_1_reg, ®)) |
5e6e3a92 BZ |
638 | adapter->ioport |= ((reg & 0xff) << 8); |
639 | else | |
640 | return -1; | |
641 | ||
554a0113 | 642 | if (!mwifiex_read_reg(adapter, card->reg->io_port_2_reg, ®)) |
5e6e3a92 BZ |
643 | adapter->ioport |= ((reg & 0xff) << 16); |
644 | else | |
645 | return -1; | |
b60186f8 | 646 | cont: |
acebe8c1 ZL |
647 | mwifiex_dbg(adapter, INFO, |
648 | "info: SDIO FUNC1 IO port: %#x\n", adapter->ioport); | |
5e6e3a92 BZ |
649 | |
650 | /* Set Host interrupt reset to read to clear */ | |
554a0113 AP |
651 | if (!mwifiex_read_reg(adapter, card->reg->host_int_rsr_reg, ®)) |
652 | mwifiex_write_reg(adapter, card->reg->host_int_rsr_reg, | |
05889f82 | 653 | reg | card->reg->sdio_int_mask); |
5e6e3a92 BZ |
654 | else |
655 | return -1; | |
656 | ||
657 | /* Dnld/Upld ready set to auto reset */ | |
05889f82 AK |
658 | if (!mwifiex_read_reg(adapter, card->reg->card_misc_cfg_reg, ®)) |
659 | mwifiex_write_reg(adapter, card->reg->card_misc_cfg_reg, | |
5e6e3a92 BZ |
660 | reg | AUTO_RE_ENABLE_INT); |
661 | else | |
662 | return -1; | |
663 | ||
664 | return 0; | |
665 | } | |
666 | ||
667 | /* | |
668 | * This function sends data to the card. | |
669 | */ | |
670 | static int mwifiex_write_data_to_card(struct mwifiex_adapter *adapter, | |
671 | u8 *payload, u32 pkt_len, u32 port) | |
672 | { | |
673 | u32 i = 0; | |
270e58e8 | 674 | int ret; |
5e6e3a92 BZ |
675 | |
676 | do { | |
572e8f3e | 677 | ret = mwifiex_write_data_sync(adapter, payload, pkt_len, port); |
5e6e3a92 BZ |
678 | if (ret) { |
679 | i++; | |
acebe8c1 ZL |
680 | mwifiex_dbg(adapter, ERROR, |
681 | "host_to_card, write iomem\t" | |
682 | "(%d) failed: %d\n", i, ret); | |
5dbd326c | 683 | if (mwifiex_write_reg(adapter, CONFIGURATION_REG, 0x04)) |
acebe8c1 ZL |
684 | mwifiex_dbg(adapter, ERROR, |
685 | "write CFG reg failed\n"); | |
5e6e3a92 BZ |
686 | |
687 | ret = -1; | |
688 | if (i > MAX_WRITE_IOMEM_RETRY) | |
689 | return ret; | |
690 | } | |
691 | } while (ret == -1); | |
692 | ||
693 | return ret; | |
694 | } | |
695 | ||
696 | /* | |
697 | * This function gets the read port. | |
698 | * | |
699 | * If control port bit is set in MP read bitmap, the control port | |
700 | * is returned, otherwise the current read port is returned and | |
701 | * the value is increased (provided it does not reach the maximum | |
702 | * limit, in which case it is reset to 1) | |
703 | */ | |
704 | static int mwifiex_get_rd_port(struct mwifiex_adapter *adapter, u8 *port) | |
705 | { | |
706 | struct sdio_mmc_card *card = adapter->card; | |
05889f82 | 707 | const struct mwifiex_sdio_card_reg *reg = card->reg; |
5ac253d5 | 708 | u32 rd_bitmap = card->mp_rd_bitmap; |
5e6e3a92 | 709 | |
acebe8c1 ZL |
710 | mwifiex_dbg(adapter, DATA, |
711 | "data: mp_rd_bitmap=0x%08x\n", rd_bitmap); | |
5e6e3a92 | 712 | |
b60186f8 YAP |
713 | if (card->supports_sdio_new_mode) { |
714 | if (!(rd_bitmap & reg->data_port_mask)) | |
715 | return -1; | |
716 | } else { | |
717 | if (!(rd_bitmap & (CTRL_PORT_MASK | reg->data_port_mask))) | |
718 | return -1; | |
719 | } | |
5e6e3a92 | 720 | |
b60186f8 YAP |
721 | if ((card->has_control_mask) && |
722 | (card->mp_rd_bitmap & CTRL_PORT_MASK)) { | |
5ac253d5 | 723 | card->mp_rd_bitmap &= (u32) (~CTRL_PORT_MASK); |
5e6e3a92 | 724 | *port = CTRL_PORT; |
acebe8c1 ZL |
725 | mwifiex_dbg(adapter, DATA, |
726 | "data: port=%d mp_rd_bitmap=0x%08x\n", | |
727 | *port, card->mp_rd_bitmap); | |
e6a52030 | 728 | return 0; |
5e6e3a92 | 729 | } |
e6a52030 AK |
730 | |
731 | if (!(card->mp_rd_bitmap & (1 << card->curr_rd_port))) | |
732 | return -1; | |
733 | ||
734 | /* We are now handling the SDIO data ports */ | |
735 | card->mp_rd_bitmap &= (u32)(~(1 << card->curr_rd_port)); | |
736 | *port = card->curr_rd_port; | |
737 | ||
738 | if (++card->curr_rd_port == card->max_ports) | |
739 | card->curr_rd_port = reg->start_rd_port; | |
740 | ||
acebe8c1 ZL |
741 | mwifiex_dbg(adapter, DATA, |
742 | "data: port=%d mp_rd_bitmap=0x%08x -> 0x%08x\n", | |
743 | *port, rd_bitmap, card->mp_rd_bitmap); | |
e6a52030 | 744 | |
5e6e3a92 BZ |
745 | return 0; |
746 | } | |
747 | ||
748 | /* | |
749 | * This function gets the write port for data. | |
750 | * | |
751 | * The current write port is returned if available and the value is | |
752 | * increased (provided it does not reach the maximum limit, in which | |
753 | * case it is reset to 1) | |
754 | */ | |
0fc0d43b | 755 | static int mwifiex_get_wr_port_data(struct mwifiex_adapter *adapter, u32 *port) |
5e6e3a92 BZ |
756 | { |
757 | struct sdio_mmc_card *card = adapter->card; | |
b60186f8 | 758 | const struct mwifiex_sdio_card_reg *reg = card->reg; |
5ac253d5 | 759 | u32 wr_bitmap = card->mp_wr_bitmap; |
5e6e3a92 | 760 | |
acebe8c1 ZL |
761 | mwifiex_dbg(adapter, DATA, |
762 | "data: mp_wr_bitmap=0x%08x\n", wr_bitmap); | |
5e6e3a92 | 763 | |
c48ba040 | 764 | if (!(wr_bitmap & card->mp_data_port_mask)) { |
b60186f8 YAP |
765 | adapter->data_sent = true; |
766 | return -EBUSY; | |
b60186f8 | 767 | } |
5e6e3a92 BZ |
768 | |
769 | if (card->mp_wr_bitmap & (1 << card->curr_wr_port)) { | |
5ac253d5 | 770 | card->mp_wr_bitmap &= (u32) (~(1 << card->curr_wr_port)); |
5e6e3a92 | 771 | *port = card->curr_wr_port; |
c48ba040 | 772 | if (++card->curr_wr_port == card->mp_end_port) |
b60186f8 | 773 | card->curr_wr_port = reg->start_wr_port; |
5e6e3a92 BZ |
774 | } else { |
775 | adapter->data_sent = true; | |
776 | return -EBUSY; | |
777 | } | |
778 | ||
b60186f8 | 779 | if ((card->has_control_mask) && (*port == CTRL_PORT)) { |
acebe8c1 ZL |
780 | mwifiex_dbg(adapter, ERROR, |
781 | "invalid data port=%d cur port=%d mp_wr_bitmap=0x%08x -> 0x%08x\n", | |
782 | *port, card->curr_wr_port, wr_bitmap, | |
783 | card->mp_wr_bitmap); | |
5e6e3a92 BZ |
784 | return -1; |
785 | } | |
786 | ||
acebe8c1 ZL |
787 | mwifiex_dbg(adapter, DATA, |
788 | "data: port=%d mp_wr_bitmap=0x%08x -> 0x%08x\n", | |
789 | *port, wr_bitmap, card->mp_wr_bitmap); | |
5e6e3a92 BZ |
790 | |
791 | return 0; | |
792 | } | |
793 | ||
794 | /* | |
795 | * This function polls the card status. | |
796 | */ | |
797 | static int | |
798 | mwifiex_sdio_poll_card_status(struct mwifiex_adapter *adapter, u8 bits) | |
799 | { | |
05889f82 | 800 | struct sdio_mmc_card *card = adapter->card; |
5e6e3a92 | 801 | u32 tries; |
ab93d4ff | 802 | u8 cs; |
5e6e3a92 BZ |
803 | |
804 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
05889f82 | 805 | if (mwifiex_read_reg(adapter, card->reg->poll_reg, &cs)) |
5e6e3a92 BZ |
806 | break; |
807 | else if ((cs & bits) == bits) | |
808 | return 0; | |
809 | ||
e7891ba2 | 810 | usleep_range(10, 20); |
5e6e3a92 BZ |
811 | } |
812 | ||
acebe8c1 ZL |
813 | mwifiex_dbg(adapter, ERROR, |
814 | "poll card status failed, tries = %d\n", tries); | |
5dbd326c | 815 | |
5e6e3a92 BZ |
816 | return -1; |
817 | } | |
818 | ||
5e6e3a92 BZ |
819 | /* |
820 | * This function disables the host interrupt. | |
821 | * | |
822 | * The host interrupt mask is read, the disable bit is reset and | |
823 | * written back to the card host interrupt mask register. | |
824 | */ | |
232fde06 | 825 | static void mwifiex_sdio_disable_host_int(struct mwifiex_adapter *adapter) |
5e6e3a92 | 826 | { |
232fde06 DD |
827 | struct sdio_mmc_card *card = adapter->card; |
828 | struct sdio_func *func = card->func; | |
5e6e3a92 | 829 | |
232fde06 | 830 | sdio_claim_host(func); |
554a0113 | 831 | mwifiex_write_reg_locked(func, card->reg->host_int_mask_reg, 0); |
232fde06 DD |
832 | sdio_release_irq(func); |
833 | sdio_release_host(func); | |
5e6e3a92 BZ |
834 | } |
835 | ||
2cdf359a AK |
836 | /* |
837 | * This function reads the interrupt status from card. | |
838 | */ | |
839 | static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter) | |
840 | { | |
841 | struct sdio_mmc_card *card = adapter->card; | |
842 | u8 sdio_ireg; | |
843 | unsigned long flags; | |
844 | ||
845 | if (mwifiex_read_data_sync(adapter, card->mp_regs, | |
846 | card->reg->max_mp_regs, | |
847 | REG_PORT | MWIFIEX_SDIO_BYTE_MODE_MASK, 0)) { | |
acebe8c1 | 848 | mwifiex_dbg(adapter, ERROR, "read mp_regs failed\n"); |
2cdf359a AK |
849 | return; |
850 | } | |
851 | ||
554a0113 | 852 | sdio_ireg = card->mp_regs[card->reg->host_int_status_reg]; |
2cdf359a AK |
853 | if (sdio_ireg) { |
854 | /* | |
855 | * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS | |
856 | * For SDIO new mode CMD port interrupts | |
857 | * DN_LD_CMD_PORT_HOST_INT_STATUS and/or | |
858 | * UP_LD_CMD_PORT_HOST_INT_STATUS | |
859 | * Clear the interrupt status register | |
860 | */ | |
acebe8c1 ZL |
861 | mwifiex_dbg(adapter, INTR, |
862 | "int: sdio_ireg = %#x\n", sdio_ireg); | |
2cdf359a AK |
863 | spin_lock_irqsave(&adapter->int_lock, flags); |
864 | adapter->int_status |= sdio_ireg; | |
865 | spin_unlock_irqrestore(&adapter->int_lock, flags); | |
866 | } | |
867 | } | |
868 | ||
869 | /* | |
870 | * SDIO interrupt handler. | |
871 | * | |
872 | * This function reads the interrupt status from firmware and handles | |
873 | * the interrupt in current thread (ksdioirqd) right away. | |
874 | */ | |
875 | static void | |
876 | mwifiex_sdio_interrupt(struct sdio_func *func) | |
877 | { | |
878 | struct mwifiex_adapter *adapter; | |
879 | struct sdio_mmc_card *card; | |
880 | ||
881 | card = sdio_get_drvdata(func); | |
882 | if (!card || !card->adapter) { | |
91442431 XH |
883 | pr_err("int: func=%p card=%p adapter=%p\n", |
884 | func, card, card ? card->adapter : NULL); | |
2cdf359a AK |
885 | return; |
886 | } | |
887 | adapter = card->adapter; | |
888 | ||
889 | if (!adapter->pps_uapsd_mode && adapter->ps_state == PS_STATE_SLEEP) | |
890 | adapter->ps_state = PS_STATE_AWAKE; | |
891 | ||
892 | mwifiex_interrupt_status(adapter); | |
893 | mwifiex_main_process(adapter); | |
894 | } | |
895 | ||
5e6e3a92 BZ |
896 | /* |
897 | * This function enables the host interrupt. | |
898 | * | |
899 | * The host interrupt enable mask is written to the card | |
900 | * host interrupt mask register. | |
901 | */ | |
902 | static int mwifiex_sdio_enable_host_int(struct mwifiex_adapter *adapter) | |
903 | { | |
05889f82 | 904 | struct sdio_mmc_card *card = adapter->card; |
232fde06 DD |
905 | struct sdio_func *func = card->func; |
906 | int ret; | |
907 | ||
908 | sdio_claim_host(func); | |
909 | ||
910 | /* Request the SDIO IRQ */ | |
911 | ret = sdio_claim_irq(func, mwifiex_sdio_interrupt); | |
912 | if (ret) { | |
acebe8c1 ZL |
913 | mwifiex_dbg(adapter, ERROR, |
914 | "claim irq failed: ret=%d\n", ret); | |
232fde06 DD |
915 | goto out; |
916 | } | |
05889f82 | 917 | |
5e6e3a92 | 918 | /* Simply write the mask to the register */ |
554a0113 | 919 | ret = mwifiex_write_reg_locked(func, card->reg->host_int_mask_reg, |
232fde06 DD |
920 | card->reg->host_int_enable); |
921 | if (ret) { | |
acebe8c1 ZL |
922 | mwifiex_dbg(adapter, ERROR, |
923 | "enable host interrupt failed\n"); | |
232fde06 | 924 | sdio_release_irq(func); |
5e6e3a92 | 925 | } |
232fde06 DD |
926 | |
927 | out: | |
928 | sdio_release_host(func); | |
929 | return ret; | |
5e6e3a92 BZ |
930 | } |
931 | ||
932 | /* | |
933 | * This function sends a data buffer to the card. | |
934 | */ | |
935 | static int mwifiex_sdio_card_to_host(struct mwifiex_adapter *adapter, | |
936 | u32 *type, u8 *buffer, | |
937 | u32 npayload, u32 ioport) | |
938 | { | |
270e58e8 | 939 | int ret; |
5e6e3a92 BZ |
940 | u32 nb; |
941 | ||
942 | if (!buffer) { | |
acebe8c1 ZL |
943 | mwifiex_dbg(adapter, ERROR, |
944 | "%s: buffer is NULL\n", __func__); | |
5e6e3a92 BZ |
945 | return -1; |
946 | } | |
947 | ||
572e8f3e | 948 | ret = mwifiex_read_data_sync(adapter, buffer, npayload, ioport, 1); |
5e6e3a92 BZ |
949 | |
950 | if (ret) { | |
acebe8c1 ZL |
951 | mwifiex_dbg(adapter, ERROR, |
952 | "%s: read iomem failed: %d\n", __func__, | |
5dbd326c | 953 | ret); |
5e6e3a92 BZ |
954 | return -1; |
955 | } | |
956 | ||
92c70a95 | 957 | nb = get_unaligned_le16((buffer)); |
5e6e3a92 | 958 | if (nb > npayload) { |
acebe8c1 ZL |
959 | mwifiex_dbg(adapter, ERROR, |
960 | "%s: invalid packet, nb=%d npayload=%d\n", | |
961 | __func__, nb, npayload); | |
5e6e3a92 BZ |
962 | return -1; |
963 | } | |
964 | ||
92c70a95 | 965 | *type = get_unaligned_le16((buffer + 2)); |
5e6e3a92 BZ |
966 | |
967 | return ret; | |
968 | } | |
969 | ||
970 | /* | |
971 | * This function downloads the firmware to the card. | |
972 | * | |
973 | * Firmware is downloaded to the card in blocks. Every block download | |
974 | * is tested for CRC errors, and retried a number of times before | |
975 | * returning failure. | |
976 | */ | |
977 | static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter, | |
978 | struct mwifiex_fw_image *fw) | |
979 | { | |
05889f82 AK |
980 | struct sdio_mmc_card *card = adapter->card; |
981 | const struct mwifiex_sdio_card_reg *reg = card->reg; | |
270e58e8 | 982 | int ret; |
5e6e3a92 BZ |
983 | u8 *firmware = fw->fw_buf; |
984 | u32 firmware_len = fw->fw_len; | |
985 | u32 offset = 0; | |
ab93d4ff | 986 | u8 base0, base1; |
5e6e3a92 BZ |
987 | u8 *fwbuf; |
988 | u16 len = 0; | |
270e58e8 | 989 | u32 txlen, tx_blocks = 0, tries; |
5e6e3a92 BZ |
990 | u32 i = 0; |
991 | ||
992 | if (!firmware_len) { | |
acebe8c1 ZL |
993 | mwifiex_dbg(adapter, ERROR, |
994 | "firmware image not found! Terminating download\n"); | |
5e6e3a92 BZ |
995 | return -1; |
996 | } | |
997 | ||
acebe8c1 ZL |
998 | mwifiex_dbg(adapter, INFO, |
999 | "info: downloading FW image (%d bytes)\n", | |
1000 | firmware_len); | |
5e6e3a92 BZ |
1001 | |
1002 | /* Assume that the allocated buffer is 8-byte aligned */ | |
1003 | fwbuf = kzalloc(MWIFIEX_UPLD_SIZE, GFP_KERNEL); | |
0d2e7a5c | 1004 | if (!fwbuf) |
b53575ec | 1005 | return -ENOMEM; |
5e6e3a92 | 1006 | |
cb9d61e5 AN |
1007 | sdio_claim_host(card->func); |
1008 | ||
5e6e3a92 BZ |
1009 | /* Perform firmware data transfer */ |
1010 | do { | |
1011 | /* The host polls for the DN_LD_CARD_RDY and CARD_IO_READY | |
1012 | bits */ | |
1013 | ret = mwifiex_sdio_poll_card_status(adapter, CARD_IO_READY | | |
1014 | DN_LD_CARD_RDY); | |
1015 | if (ret) { | |
acebe8c1 ZL |
1016 | mwifiex_dbg(adapter, ERROR, |
1017 | "FW download with helper:\t" | |
1018 | "poll status timeout @ %d\n", offset); | |
5e6e3a92 BZ |
1019 | goto done; |
1020 | } | |
1021 | ||
1022 | /* More data? */ | |
1023 | if (offset >= firmware_len) | |
1024 | break; | |
1025 | ||
1026 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
05889f82 | 1027 | ret = mwifiex_read_reg(adapter, reg->base_0_reg, |
5e6e3a92 BZ |
1028 | &base0); |
1029 | if (ret) { | |
acebe8c1 ZL |
1030 | mwifiex_dbg(adapter, ERROR, |
1031 | "dev BASE0 register read failed:\t" | |
1032 | "base0=%#04X(%d). Terminating dnld\n", | |
1033 | base0, base0); | |
5e6e3a92 BZ |
1034 | goto done; |
1035 | } | |
05889f82 | 1036 | ret = mwifiex_read_reg(adapter, reg->base_1_reg, |
5e6e3a92 BZ |
1037 | &base1); |
1038 | if (ret) { | |
acebe8c1 ZL |
1039 | mwifiex_dbg(adapter, ERROR, |
1040 | "dev BASE1 register read failed:\t" | |
1041 | "base1=%#04X(%d). Terminating dnld\n", | |
1042 | base1, base1); | |
5e6e3a92 BZ |
1043 | goto done; |
1044 | } | |
1045 | len = (u16) (((base1 & 0xff) << 8) | (base0 & 0xff)); | |
1046 | ||
1047 | if (len) | |
1048 | break; | |
1049 | ||
e7891ba2 | 1050 | usleep_range(10, 20); |
5e6e3a92 BZ |
1051 | } |
1052 | ||
1053 | if (!len) { | |
1054 | break; | |
1055 | } else if (len > MWIFIEX_UPLD_SIZE) { | |
acebe8c1 ZL |
1056 | mwifiex_dbg(adapter, ERROR, |
1057 | "FW dnld failed @ %d, invalid length %d\n", | |
1058 | offset, len); | |
5e6e3a92 BZ |
1059 | ret = -1; |
1060 | goto done; | |
1061 | } | |
1062 | ||
1063 | txlen = len; | |
1064 | ||
1065 | if (len & BIT(0)) { | |
1066 | i++; | |
1067 | if (i > MAX_WRITE_IOMEM_RETRY) { | |
acebe8c1 ZL |
1068 | mwifiex_dbg(adapter, ERROR, |
1069 | "FW dnld failed @ %d, over max retry\n", | |
1070 | offset); | |
5e6e3a92 BZ |
1071 | ret = -1; |
1072 | goto done; | |
1073 | } | |
acebe8c1 ZL |
1074 | mwifiex_dbg(adapter, ERROR, |
1075 | "CRC indicated by the helper:\t" | |
1076 | "len = 0x%04X, txlen = %d\n", len, txlen); | |
5e6e3a92 BZ |
1077 | len &= ~BIT(0); |
1078 | /* Setting this to 0 to resend from same offset */ | |
1079 | txlen = 0; | |
1080 | } else { | |
1081 | i = 0; | |
1082 | ||
1083 | /* Set blocksize to transfer - checking for last | |
1084 | block */ | |
1085 | if (firmware_len - offset < txlen) | |
1086 | txlen = firmware_len - offset; | |
1087 | ||
5dbd326c YAP |
1088 | tx_blocks = (txlen + MWIFIEX_SDIO_BLOCK_SIZE - 1) |
1089 | / MWIFIEX_SDIO_BLOCK_SIZE; | |
5e6e3a92 BZ |
1090 | |
1091 | /* Copy payload to buffer */ | |
1092 | memmove(fwbuf, &firmware[offset], txlen); | |
1093 | } | |
1094 | ||
1095 | ret = mwifiex_write_data_sync(adapter, fwbuf, tx_blocks * | |
1096 | MWIFIEX_SDIO_BLOCK_SIZE, | |
572e8f3e | 1097 | adapter->ioport); |
5e6e3a92 | 1098 | if (ret) { |
acebe8c1 ZL |
1099 | mwifiex_dbg(adapter, ERROR, |
1100 | "FW download, write iomem (%d) failed @ %d\n", | |
1101 | i, offset); | |
5e6e3a92 | 1102 | if (mwifiex_write_reg(adapter, CONFIGURATION_REG, 0x04)) |
acebe8c1 ZL |
1103 | mwifiex_dbg(adapter, ERROR, |
1104 | "write CFG reg failed\n"); | |
5e6e3a92 BZ |
1105 | |
1106 | ret = -1; | |
1107 | goto done; | |
1108 | } | |
1109 | ||
1110 | offset += txlen; | |
1111 | } while (true); | |
1112 | ||
acebe8c1 ZL |
1113 | mwifiex_dbg(adapter, MSG, |
1114 | "info: FW download over, size %d bytes\n", offset); | |
5e6e3a92 BZ |
1115 | |
1116 | ret = 0; | |
1117 | done: | |
b977d305 | 1118 | sdio_release_host(card->func); |
5e6e3a92 BZ |
1119 | kfree(fwbuf); |
1120 | return ret; | |
1121 | } | |
1122 | ||
92263a84 ZL |
1123 | /* |
1124 | * This function decode sdio aggreation pkt. | |
1125 | * | |
1126 | * Based on the the data block size and pkt_len, | |
1127 | * skb data will be decoded to few packets. | |
1128 | */ | |
1129 | static void mwifiex_deaggr_sdio_pkt(struct mwifiex_adapter *adapter, | |
1130 | struct sk_buff *skb) | |
1131 | { | |
1132 | u32 total_pkt_len, pkt_len; | |
1133 | struct sk_buff *skb_deaggr; | |
92263a84 ZL |
1134 | u16 blk_size; |
1135 | u8 blk_num; | |
1136 | u8 *data; | |
1137 | ||
1138 | data = skb->data; | |
1139 | total_pkt_len = skb->len; | |
1140 | ||
f4c5d599 | 1141 | while (total_pkt_len >= (SDIO_HEADER_OFFSET + adapter->intf_hdr_len)) { |
92263a84 ZL |
1142 | if (total_pkt_len < adapter->sdio_rx_block_size) |
1143 | break; | |
1144 | blk_num = *(data + BLOCK_NUMBER_OFFSET); | |
1145 | blk_size = adapter->sdio_rx_block_size * blk_num; | |
1146 | if (blk_size > total_pkt_len) { | |
acebe8c1 ZL |
1147 | mwifiex_dbg(adapter, ERROR, |
1148 | "%s: error in blk_size,\t" | |
1149 | "blk_num=%d, blk_size=%d, total_pkt_len=%d\n", | |
1150 | __func__, blk_num, blk_size, total_pkt_len); | |
92263a84 ZL |
1151 | break; |
1152 | } | |
92c70a95 DP |
1153 | pkt_len = get_unaligned_le16((data + |
1154 | SDIO_HEADER_OFFSET)); | |
92263a84 | 1155 | if ((pkt_len + SDIO_HEADER_OFFSET) > blk_size) { |
acebe8c1 ZL |
1156 | mwifiex_dbg(adapter, ERROR, |
1157 | "%s: error in pkt_len,\t" | |
1158 | "pkt_len=%d, blk_size=%d\n", | |
1159 | __func__, pkt_len, blk_size); | |
92263a84 ZL |
1160 | break; |
1161 | } | |
00c54780 XH |
1162 | |
1163 | skb_deaggr = mwifiex_alloc_dma_align_buf(pkt_len, GFP_KERNEL); | |
92263a84 ZL |
1164 | if (!skb_deaggr) |
1165 | break; | |
1166 | skb_put(skb_deaggr, pkt_len); | |
1167 | memcpy(skb_deaggr->data, data + SDIO_HEADER_OFFSET, pkt_len); | |
f4c5d599 | 1168 | skb_pull(skb_deaggr, adapter->intf_hdr_len); |
92263a84 ZL |
1169 | |
1170 | mwifiex_handle_rx_packet(adapter, skb_deaggr); | |
1171 | data += blk_size; | |
1172 | total_pkt_len -= blk_size; | |
1173 | } | |
1174 | } | |
1175 | ||
5e6e3a92 BZ |
1176 | /* |
1177 | * This function decodes a received packet. | |
1178 | * | |
1179 | * Based on the type, the packet is treated as either a data, or | |
1180 | * a command response, or an event, and the correct handler | |
1181 | * function is invoked. | |
1182 | */ | |
1183 | static int mwifiex_decode_rx_packet(struct mwifiex_adapter *adapter, | |
1184 | struct sk_buff *skb, u32 upld_typ) | |
1185 | { | |
1186 | u8 *cmd_buf; | |
92c70a95 | 1187 | u16 pkt_len; |
92263a84 | 1188 | struct mwifiex_rxinfo *rx_info; |
5e6e3a92 | 1189 | |
92c70a95 DP |
1190 | pkt_len = get_unaligned_le16(skb->data); |
1191 | ||
92263a84 ZL |
1192 | if (upld_typ != MWIFIEX_TYPE_AGGR_DATA) { |
1193 | skb_trim(skb, pkt_len); | |
f4c5d599 | 1194 | skb_pull(skb, adapter->intf_hdr_len); |
92263a84 | 1195 | } |
5e6e3a92 BZ |
1196 | |
1197 | switch (upld_typ) { | |
92263a84 | 1198 | case MWIFIEX_TYPE_AGGR_DATA: |
acebe8c1 ZL |
1199 | mwifiex_dbg(adapter, INFO, |
1200 | "info: --- Rx: Aggr Data packet ---\n"); | |
92263a84 ZL |
1201 | rx_info = MWIFIEX_SKB_RXCB(skb); |
1202 | rx_info->buf_type = MWIFIEX_TYPE_AGGR_DATA; | |
1203 | if (adapter->rx_work_enabled) { | |
1204 | skb_queue_tail(&adapter->rx_data_q, skb); | |
1205 | atomic_inc(&adapter->rx_pending); | |
1206 | adapter->data_received = true; | |
1207 | } else { | |
1208 | mwifiex_deaggr_sdio_pkt(adapter, skb); | |
1209 | dev_kfree_skb_any(skb); | |
1210 | } | |
1211 | break; | |
1212 | ||
5e6e3a92 | 1213 | case MWIFIEX_TYPE_DATA: |
acebe8c1 ZL |
1214 | mwifiex_dbg(adapter, DATA, |
1215 | "info: --- Rx: Data packet ---\n"); | |
6e251174 | 1216 | if (adapter->rx_work_enabled) { |
6e251174 | 1217 | skb_queue_tail(&adapter->rx_data_q, skb); |
6e251174 AP |
1218 | adapter->data_received = true; |
1219 | atomic_inc(&adapter->rx_pending); | |
1220 | } else { | |
1221 | mwifiex_handle_rx_packet(adapter, skb); | |
1222 | } | |
5e6e3a92 BZ |
1223 | break; |
1224 | ||
1225 | case MWIFIEX_TYPE_CMD: | |
acebe8c1 ZL |
1226 | mwifiex_dbg(adapter, CMD, |
1227 | "info: --- Rx: Cmd Response ---\n"); | |
5e6e3a92 BZ |
1228 | /* take care of curr_cmd = NULL case */ |
1229 | if (!adapter->curr_cmd) { | |
1230 | cmd_buf = adapter->upld_buf; | |
1231 | ||
1232 | if (adapter->ps_state == PS_STATE_SLEEP_CFM) | |
1233 | mwifiex_process_sleep_confirm_resp(adapter, | |
5dbd326c YAP |
1234 | skb->data, |
1235 | skb->len); | |
5e6e3a92 | 1236 | |
5dbd326c YAP |
1237 | memcpy(cmd_buf, skb->data, |
1238 | min_t(u32, MWIFIEX_SIZE_OF_CMD_BUFFER, | |
1239 | skb->len)); | |
5e6e3a92 BZ |
1240 | |
1241 | dev_kfree_skb_any(skb); | |
1242 | } else { | |
1243 | adapter->cmd_resp_received = true; | |
1244 | adapter->curr_cmd->resp_skb = skb; | |
1245 | } | |
1246 | break; | |
1247 | ||
1248 | case MWIFIEX_TYPE_EVENT: | |
acebe8c1 ZL |
1249 | mwifiex_dbg(adapter, EVENT, |
1250 | "info: --- Rx: Event ---\n"); | |
92c70a95 | 1251 | adapter->event_cause = get_unaligned_le32(skb->data); |
5e6e3a92 | 1252 | |
5e6e3a92 | 1253 | if ((skb->len > 0) && (skb->len < MAX_EVENT_SIZE)) |
e80c81dc AK |
1254 | memcpy(adapter->event_body, |
1255 | skb->data + MWIFIEX_EVENT_HEADER_LEN, | |
1256 | skb->len); | |
5e6e3a92 BZ |
1257 | |
1258 | /* event cause has been saved to adapter->event_cause */ | |
1259 | adapter->event_received = true; | |
1260 | adapter->event_skb = skb; | |
1261 | ||
1262 | break; | |
1263 | ||
1264 | default: | |
acebe8c1 ZL |
1265 | mwifiex_dbg(adapter, ERROR, |
1266 | "unknown upload type %#x\n", upld_typ); | |
5e6e3a92 BZ |
1267 | dev_kfree_skb_any(skb); |
1268 | break; | |
1269 | } | |
1270 | ||
1271 | return 0; | |
1272 | } | |
1273 | ||
1274 | /* | |
1275 | * This function transfers received packets from card to driver, performing | |
1276 | * aggregation if required. | |
1277 | * | |
1278 | * For data received on control port, or if aggregation is disabled, the | |
1279 | * received buffers are uploaded as separate packets. However, if aggregation | |
1280 | * is enabled and required, the buffers are copied onto an aggregation buffer, | |
1281 | * provided there is space left, processed and finally uploaded. | |
1282 | */ | |
1283 | static int mwifiex_sdio_card_to_host_mp_aggr(struct mwifiex_adapter *adapter, | |
960d6d08 | 1284 | u16 rx_len, u8 port) |
5e6e3a92 BZ |
1285 | { |
1286 | struct sdio_mmc_card *card = adapter->card; | |
1287 | s32 f_do_rx_aggr = 0; | |
1288 | s32 f_do_rx_cur = 0; | |
1289 | s32 f_aggr_cur = 0; | |
2c11ab90 | 1290 | s32 f_post_aggr_cur = 0; |
5e6e3a92 | 1291 | struct sk_buff *skb_deaggr; |
960d6d08 ZL |
1292 | struct sk_buff *skb = NULL; |
1293 | u32 pkt_len, pkt_type, mport, pind; | |
5e6e3a92 | 1294 | u8 *curr_ptr; |
5e6e3a92 | 1295 | |
b60186f8 | 1296 | if ((card->has_control_mask) && (port == CTRL_PORT)) { |
5e6e3a92 | 1297 | /* Read the command Resp without aggr */ |
acebe8c1 ZL |
1298 | mwifiex_dbg(adapter, CMD, |
1299 | "info: %s: no aggregation for cmd\t" | |
1300 | "response\n", __func__); | |
5e6e3a92 BZ |
1301 | |
1302 | f_do_rx_cur = 1; | |
1303 | goto rx_curr_single; | |
1304 | } | |
1305 | ||
1306 | if (!card->mpa_rx.enabled) { | |
acebe8c1 ZL |
1307 | mwifiex_dbg(adapter, WARN, |
1308 | "info: %s: rx aggregation disabled\n", | |
1309 | __func__); | |
5e6e3a92 BZ |
1310 | |
1311 | f_do_rx_cur = 1; | |
1312 | goto rx_curr_single; | |
1313 | } | |
1314 | ||
b60186f8 YAP |
1315 | if ((!card->has_control_mask && (card->mp_rd_bitmap & |
1316 | card->reg->data_port_mask)) || | |
1317 | (card->has_control_mask && (card->mp_rd_bitmap & | |
1318 | (~((u32) CTRL_PORT_MASK))))) { | |
5e6e3a92 | 1319 | /* Some more data RX pending */ |
acebe8c1 ZL |
1320 | mwifiex_dbg(adapter, INFO, |
1321 | "info: %s: not last packet\n", __func__); | |
5e6e3a92 BZ |
1322 | |
1323 | if (MP_RX_AGGR_IN_PROGRESS(card)) { | |
960d6d08 | 1324 | if (MP_RX_AGGR_BUF_HAS_ROOM(card, rx_len)) { |
5e6e3a92 BZ |
1325 | f_aggr_cur = 1; |
1326 | } else { | |
1327 | /* No room in Aggr buf, do rx aggr now */ | |
1328 | f_do_rx_aggr = 1; | |
2c11ab90 | 1329 | f_post_aggr_cur = 1; |
5e6e3a92 BZ |
1330 | } |
1331 | } else { | |
1332 | /* Rx aggr not in progress */ | |
1333 | f_aggr_cur = 1; | |
1334 | } | |
1335 | ||
1336 | } else { | |
1337 | /* No more data RX pending */ | |
acebe8c1 ZL |
1338 | mwifiex_dbg(adapter, INFO, |
1339 | "info: %s: last packet\n", __func__); | |
5e6e3a92 BZ |
1340 | |
1341 | if (MP_RX_AGGR_IN_PROGRESS(card)) { | |
1342 | f_do_rx_aggr = 1; | |
960d6d08 | 1343 | if (MP_RX_AGGR_BUF_HAS_ROOM(card, rx_len)) |
5e6e3a92 BZ |
1344 | f_aggr_cur = 1; |
1345 | else | |
1346 | /* No room in Aggr buf, do rx aggr now */ | |
1347 | f_do_rx_cur = 1; | |
1348 | } else { | |
1349 | f_do_rx_cur = 1; | |
1350 | } | |
1351 | } | |
1352 | ||
1353 | if (f_aggr_cur) { | |
acebe8c1 ZL |
1354 | mwifiex_dbg(adapter, INFO, |
1355 | "info: current packet aggregation\n"); | |
5e6e3a92 | 1356 | /* Curr pkt can be aggregated */ |
960d6d08 | 1357 | mp_rx_aggr_setup(card, rx_len, port); |
5e6e3a92 BZ |
1358 | |
1359 | if (MP_RX_AGGR_PKT_LIMIT_REACHED(card) || | |
c23b7c8f | 1360 | mp_rx_aggr_port_limit_reached(card)) { |
acebe8c1 ZL |
1361 | mwifiex_dbg(adapter, INFO, |
1362 | "info: %s: aggregated packet\t" | |
1363 | "limit reached\n", __func__); | |
5e6e3a92 BZ |
1364 | /* No more pkts allowed in Aggr buf, rx it */ |
1365 | f_do_rx_aggr = 1; | |
1366 | } | |
1367 | } | |
1368 | ||
1369 | if (f_do_rx_aggr) { | |
1370 | /* do aggr RX now */ | |
acebe8c1 ZL |
1371 | mwifiex_dbg(adapter, DATA, |
1372 | "info: do_rx_aggr: num of packets: %d\n", | |
1373 | card->mpa_rx.pkt_cnt); | |
5e6e3a92 | 1374 | |
b60186f8 YAP |
1375 | if (card->supports_sdio_new_mode) { |
1376 | int i; | |
1377 | u32 port_count; | |
1378 | ||
1379 | for (i = 0, port_count = 0; i < card->max_ports; i++) | |
1380 | if (card->mpa_rx.ports & BIT(i)) | |
1381 | port_count++; | |
1382 | ||
1383 | /* Reading data from "start_port + 0" to "start_port + | |
1384 | * port_count -1", so decrease the count by 1 | |
1385 | */ | |
1386 | port_count--; | |
1387 | mport = (adapter->ioport | SDIO_MPA_ADDR_BASE | | |
1388 | (port_count << 8)) + card->mpa_rx.start_port; | |
1389 | } else { | |
1390 | mport = (adapter->ioport | SDIO_MPA_ADDR_BASE | | |
1391 | (card->mpa_rx.ports << 4)) + | |
1392 | card->mpa_rx.start_port; | |
1393 | } | |
0fc0d43b | 1394 | |
0cb52aac | 1395 | if (card->mpa_rx.pkt_cnt == 1) |
ecd7eb7c | 1396 | mport = adapter->ioport + card->mpa_rx.start_port; |
0cb52aac | 1397 | |
5e6e3a92 | 1398 | if (mwifiex_read_data_sync(adapter, card->mpa_rx.buf, |
0fc0d43b | 1399 | card->mpa_rx.buf_len, mport, 1)) |
17a60b48 | 1400 | goto error; |
5e6e3a92 BZ |
1401 | |
1402 | curr_ptr = card->mpa_rx.buf; | |
1403 | ||
1404 | for (pind = 0; pind < card->mpa_rx.pkt_cnt; pind++) { | |
960d6d08 | 1405 | u32 *len_arr = card->mpa_rx.len_arr; |
5e6e3a92 BZ |
1406 | |
1407 | /* get curr PKT len & type */ | |
92c70a95 DP |
1408 | pkt_len = get_unaligned_le16(&curr_ptr[0]); |
1409 | pkt_type = get_unaligned_le16(&curr_ptr[2]); | |
5e6e3a92 BZ |
1410 | |
1411 | /* copy pkt to deaggr buf */ | |
960d6d08 | 1412 | skb_deaggr = mwifiex_alloc_dma_align_buf(len_arr[pind], |
00c54780 | 1413 | GFP_KERNEL); |
4acaf048 | 1414 | if (!skb_deaggr) { |
acebe8c1 ZL |
1415 | mwifiex_dbg(adapter, ERROR, "skb allocation failure\t" |
1416 | "drop pkt len=%d type=%d\n", | |
1417 | pkt_len, pkt_type); | |
4acaf048 ZL |
1418 | curr_ptr += len_arr[pind]; |
1419 | continue; | |
1420 | } | |
1421 | ||
960d6d08 | 1422 | skb_put(skb_deaggr, len_arr[pind]); |
5e6e3a92 | 1423 | |
92263a84 ZL |
1424 | if ((pkt_type == MWIFIEX_TYPE_DATA || |
1425 | (pkt_type == MWIFIEX_TYPE_AGGR_DATA && | |
1426 | adapter->sdio_rx_aggr_enable)) && | |
960d6d08 | 1427 | (pkt_len <= len_arr[pind])) { |
5e6e3a92 BZ |
1428 | |
1429 | memcpy(skb_deaggr->data, curr_ptr, pkt_len); | |
1430 | ||
1431 | skb_trim(skb_deaggr, pkt_len); | |
1432 | ||
1433 | /* Process de-aggr packet */ | |
1434 | mwifiex_decode_rx_packet(adapter, skb_deaggr, | |
1435 | pkt_type); | |
1436 | } else { | |
acebe8c1 ZL |
1437 | mwifiex_dbg(adapter, ERROR, |
1438 | "drop wrong aggr pkt:\t" | |
1439 | "sdio_single_port_rx_aggr=%d\t" | |
1440 | "type=%d len=%d max_len=%d\n", | |
1441 | adapter->sdio_rx_aggr_enable, | |
1442 | pkt_type, pkt_len, len_arr[pind]); | |
5e6e3a92 BZ |
1443 | dev_kfree_skb_any(skb_deaggr); |
1444 | } | |
960d6d08 | 1445 | curr_ptr += len_arr[pind]; |
5e6e3a92 BZ |
1446 | } |
1447 | MP_RX_AGGR_BUF_RESET(card); | |
1448 | } | |
1449 | ||
1450 | rx_curr_single: | |
1451 | if (f_do_rx_cur) { | |
acebe8c1 ZL |
1452 | mwifiex_dbg(adapter, INFO, "info: RX: port: %d, rx_len: %d\n", |
1453 | port, rx_len); | |
4acaf048 | 1454 | |
5c87a55a | 1455 | skb = mwifiex_alloc_dma_align_buf(rx_len, GFP_KERNEL); |
4acaf048 | 1456 | if (!skb) { |
acebe8c1 ZL |
1457 | mwifiex_dbg(adapter, ERROR, |
1458 | "single skb allocated fail,\t" | |
1459 | "drop pkt port=%d len=%d\n", port, rx_len); | |
4acaf048 ZL |
1460 | if (mwifiex_sdio_card_to_host(adapter, &pkt_type, |
1461 | card->mpa_rx.buf, rx_len, | |
1462 | adapter->ioport + port)) | |
1463 | goto error; | |
1464 | return 0; | |
1465 | } | |
1466 | ||
960d6d08 | 1467 | skb_put(skb, rx_len); |
5e6e3a92 BZ |
1468 | |
1469 | if (mwifiex_sdio_card_to_host(adapter, &pkt_type, | |
1470 | skb->data, skb->len, | |
1471 | adapter->ioport + port)) | |
17a60b48 | 1472 | goto error; |
92263a84 ZL |
1473 | if (!adapter->sdio_rx_aggr_enable && |
1474 | pkt_type == MWIFIEX_TYPE_AGGR_DATA) { | |
acebe8c1 ZL |
1475 | mwifiex_dbg(adapter, ERROR, "drop wrong pkt type %d\t" |
1476 | "current SDIO RX Aggr not enabled\n", | |
1477 | pkt_type); | |
4acaf048 ZL |
1478 | dev_kfree_skb_any(skb); |
1479 | return 0; | |
92263a84 | 1480 | } |
5e6e3a92 BZ |
1481 | |
1482 | mwifiex_decode_rx_packet(adapter, skb, pkt_type); | |
1483 | } | |
2c11ab90 | 1484 | if (f_post_aggr_cur) { |
acebe8c1 ZL |
1485 | mwifiex_dbg(adapter, INFO, |
1486 | "info: current packet aggregation\n"); | |
2c11ab90 | 1487 | /* Curr pkt can be aggregated */ |
080465f2 | 1488 | mp_rx_aggr_setup(card, rx_len, port); |
2c11ab90 | 1489 | } |
5e6e3a92 BZ |
1490 | |
1491 | return 0; | |
17a60b48 | 1492 | error: |
4acaf048 | 1493 | if (MP_RX_AGGR_IN_PROGRESS(card)) |
17a60b48 | 1494 | MP_RX_AGGR_BUF_RESET(card); |
17a60b48 | 1495 | |
960d6d08 | 1496 | if (f_do_rx_cur && skb) |
17a60b48 AP |
1497 | /* Single transfer pending. Free curr buff also */ |
1498 | dev_kfree_skb_any(skb); | |
1499 | ||
1500 | return -1; | |
5e6e3a92 BZ |
1501 | } |
1502 | ||
1503 | /* | |
1504 | * This function checks the current interrupt status. | |
1505 | * | |
1506 | * The following interrupts are checked and handled by this function - | |
1507 | * - Data sent | |
1508 | * - Command sent | |
1509 | * - Packets received | |
1510 | * | |
1511 | * Since the firmware does not generate download ready interrupt if the | |
1512 | * port updated is command port only, command sent interrupt checking | |
1513 | * should be done manually, and for every SDIO interrupt. | |
1514 | * | |
1515 | * In case of Rx packets received, the packets are uploaded from card to | |
1516 | * host and processed accordingly. | |
1517 | */ | |
1518 | static int mwifiex_process_int_status(struct mwifiex_adapter *adapter) | |
1519 | { | |
1520 | struct sdio_mmc_card *card = adapter->card; | |
05889f82 | 1521 | const struct mwifiex_sdio_card_reg *reg = card->reg; |
5e6e3a92 BZ |
1522 | int ret = 0; |
1523 | u8 sdio_ireg; | |
270e58e8 | 1524 | struct sk_buff *skb; |
5e6e3a92 BZ |
1525 | u8 port = CTRL_PORT; |
1526 | u32 len_reg_l, len_reg_u; | |
1527 | u32 rx_blocks; | |
1528 | u16 rx_len; | |
1529 | unsigned long flags; | |
b60186f8 YAP |
1530 | u32 bitmap; |
1531 | u8 cr; | |
5e6e3a92 BZ |
1532 | |
1533 | spin_lock_irqsave(&adapter->int_lock, flags); | |
1534 | sdio_ireg = adapter->int_status; | |
1535 | adapter->int_status = 0; | |
1536 | spin_unlock_irqrestore(&adapter->int_lock, flags); | |
1537 | ||
1538 | if (!sdio_ireg) | |
1539 | return ret; | |
1540 | ||
b60186f8 YAP |
1541 | /* Following interrupt is only for SDIO new mode */ |
1542 | if (sdio_ireg & DN_LD_CMD_PORT_HOST_INT_STATUS && adapter->cmd_sent) | |
1543 | adapter->cmd_sent = false; | |
1544 | ||
1545 | /* Following interrupt is only for SDIO new mode */ | |
1546 | if (sdio_ireg & UP_LD_CMD_PORT_HOST_INT_STATUS) { | |
1547 | u32 pkt_type; | |
1548 | ||
1549 | /* read the len of control packet */ | |
554a0113 AP |
1550 | rx_len = card->mp_regs[reg->cmd_rd_len_1] << 8; |
1551 | rx_len |= (u16)card->mp_regs[reg->cmd_rd_len_0]; | |
b60186f8 | 1552 | rx_blocks = DIV_ROUND_UP(rx_len, MWIFIEX_SDIO_BLOCK_SIZE); |
f4c5d599 | 1553 | if (rx_len <= adapter->intf_hdr_len || |
b60186f8 YAP |
1554 | (rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE) > |
1555 | MWIFIEX_RX_DATA_BUF_SIZE) | |
1556 | return -1; | |
1557 | rx_len = (u16) (rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE); | |
acebe8c1 | 1558 | mwifiex_dbg(adapter, INFO, "info: rx_len = %d\n", rx_len); |
b60186f8 | 1559 | |
5c87a55a | 1560 | skb = mwifiex_alloc_dma_align_buf(rx_len, GFP_KERNEL); |
b60186f8 YAP |
1561 | if (!skb) |
1562 | return -1; | |
1563 | ||
1564 | skb_put(skb, rx_len); | |
1565 | ||
1566 | if (mwifiex_sdio_card_to_host(adapter, &pkt_type, skb->data, | |
1567 | skb->len, adapter->ioport | | |
1568 | CMD_PORT_SLCT)) { | |
acebe8c1 ZL |
1569 | mwifiex_dbg(adapter, ERROR, |
1570 | "%s: failed to card_to_host", __func__); | |
b60186f8 YAP |
1571 | dev_kfree_skb_any(skb); |
1572 | goto term_cmd; | |
1573 | } | |
1574 | ||
1575 | if ((pkt_type != MWIFIEX_TYPE_CMD) && | |
1576 | (pkt_type != MWIFIEX_TYPE_EVENT)) | |
acebe8c1 ZL |
1577 | mwifiex_dbg(adapter, ERROR, |
1578 | "%s:Received wrong packet on cmd port", | |
1579 | __func__); | |
b60186f8 YAP |
1580 | |
1581 | mwifiex_decode_rx_packet(adapter, skb, pkt_type); | |
1582 | } | |
1583 | ||
5e6e3a92 | 1584 | if (sdio_ireg & DN_LD_HOST_INT_STATUS) { |
b60186f8 YAP |
1585 | bitmap = (u32) card->mp_regs[reg->wr_bitmap_l]; |
1586 | bitmap |= ((u32) card->mp_regs[reg->wr_bitmap_u]) << 8; | |
1587 | if (card->supports_sdio_new_mode) { | |
1588 | bitmap |= | |
1589 | ((u32) card->mp_regs[reg->wr_bitmap_1l]) << 16; | |
1590 | bitmap |= | |
1591 | ((u32) card->mp_regs[reg->wr_bitmap_1u]) << 24; | |
1592 | } | |
1593 | card->mp_wr_bitmap = bitmap; | |
1594 | ||
acebe8c1 ZL |
1595 | mwifiex_dbg(adapter, INTR, |
1596 | "int: DNLD: wr_bitmap=0x%x\n", | |
1597 | card->mp_wr_bitmap); | |
5e6e3a92 BZ |
1598 | if (adapter->data_sent && |
1599 | (card->mp_wr_bitmap & card->mp_data_port_mask)) { | |
acebe8c1 ZL |
1600 | mwifiex_dbg(adapter, INTR, |
1601 | "info: <--- Tx DONE Interrupt --->\n"); | |
5e6e3a92 BZ |
1602 | adapter->data_sent = false; |
1603 | } | |
1604 | } | |
1605 | ||
1606 | /* As firmware will not generate download ready interrupt if the port | |
1607 | updated is command port only, cmd_sent should be done for any SDIO | |
1608 | interrupt. */ | |
b60186f8 | 1609 | if (card->has_control_mask && adapter->cmd_sent) { |
5e6e3a92 BZ |
1610 | /* Check if firmware has attach buffer at command port and |
1611 | update just that in wr_bit_map. */ | |
1612 | card->mp_wr_bitmap |= | |
05889f82 | 1613 | (u32) card->mp_regs[reg->wr_bitmap_l] & CTRL_PORT_MASK; |
5e6e3a92 BZ |
1614 | if (card->mp_wr_bitmap & CTRL_PORT_MASK) |
1615 | adapter->cmd_sent = false; | |
1616 | } | |
1617 | ||
acebe8c1 ZL |
1618 | mwifiex_dbg(adapter, INTR, "info: cmd_sent=%d data_sent=%d\n", |
1619 | adapter->cmd_sent, adapter->data_sent); | |
5e6e3a92 | 1620 | if (sdio_ireg & UP_LD_HOST_INT_STATUS) { |
b60186f8 YAP |
1621 | bitmap = (u32) card->mp_regs[reg->rd_bitmap_l]; |
1622 | bitmap |= ((u32) card->mp_regs[reg->rd_bitmap_u]) << 8; | |
1623 | if (card->supports_sdio_new_mode) { | |
1624 | bitmap |= | |
1625 | ((u32) card->mp_regs[reg->rd_bitmap_1l]) << 16; | |
1626 | bitmap |= | |
1627 | ((u32) card->mp_regs[reg->rd_bitmap_1u]) << 24; | |
1628 | } | |
1629 | card->mp_rd_bitmap = bitmap; | |
acebe8c1 ZL |
1630 | mwifiex_dbg(adapter, INTR, |
1631 | "int: UPLD: rd_bitmap=0x%x\n", | |
1632 | card->mp_rd_bitmap); | |
5e6e3a92 BZ |
1633 | |
1634 | while (true) { | |
1635 | ret = mwifiex_get_rd_port(adapter, &port); | |
1636 | if (ret) { | |
acebe8c1 ZL |
1637 | mwifiex_dbg(adapter, INFO, |
1638 | "info: no more rd_port available\n"); | |
5e6e3a92 BZ |
1639 | break; |
1640 | } | |
05889f82 AK |
1641 | len_reg_l = reg->rd_len_p0_l + (port << 1); |
1642 | len_reg_u = reg->rd_len_p0_u + (port << 1); | |
5e6e3a92 BZ |
1643 | rx_len = ((u16) card->mp_regs[len_reg_u]) << 8; |
1644 | rx_len |= (u16) card->mp_regs[len_reg_l]; | |
acebe8c1 ZL |
1645 | mwifiex_dbg(adapter, INFO, |
1646 | "info: RX: port=%d rx_len=%u\n", | |
1647 | port, rx_len); | |
5e6e3a92 BZ |
1648 | rx_blocks = |
1649 | (rx_len + MWIFIEX_SDIO_BLOCK_SIZE - | |
1650 | 1) / MWIFIEX_SDIO_BLOCK_SIZE; | |
f4c5d599 | 1651 | if (rx_len <= adapter->intf_hdr_len || |
e3ad3d5b XH |
1652 | (card->mpa_rx.enabled && |
1653 | ((rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE) > | |
1654 | card->mpa_rx.buf_size))) { | |
acebe8c1 ZL |
1655 | mwifiex_dbg(adapter, ERROR, |
1656 | "invalid rx_len=%d\n", | |
1657 | rx_len); | |
5e6e3a92 BZ |
1658 | return -1; |
1659 | } | |
5e6e3a92 | 1660 | |
960d6d08 | 1661 | rx_len = (u16) (rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE); |
acebe8c1 ZL |
1662 | mwifiex_dbg(adapter, INFO, "info: rx_len = %d\n", |
1663 | rx_len); | |
5e6e3a92 | 1664 | |
960d6d08 | 1665 | if (mwifiex_sdio_card_to_host_mp_aggr(adapter, rx_len, |
5e6e3a92 | 1666 | port)) { |
acebe8c1 ZL |
1667 | mwifiex_dbg(adapter, ERROR, |
1668 | "card_to_host_mpa failed: int status=%#x\n", | |
1669 | sdio_ireg); | |
b60186f8 | 1670 | goto term_cmd; |
5e6e3a92 BZ |
1671 | } |
1672 | } | |
1673 | } | |
1674 | ||
1675 | return 0; | |
b60186f8 YAP |
1676 | |
1677 | term_cmd: | |
1678 | /* terminate cmd */ | |
1679 | if (mwifiex_read_reg(adapter, CONFIGURATION_REG, &cr)) | |
acebe8c1 | 1680 | mwifiex_dbg(adapter, ERROR, "read CFG reg failed\n"); |
b60186f8 | 1681 | else |
acebe8c1 ZL |
1682 | mwifiex_dbg(adapter, INFO, |
1683 | "info: CFG reg val = %d\n", cr); | |
b60186f8 YAP |
1684 | |
1685 | if (mwifiex_write_reg(adapter, CONFIGURATION_REG, (cr | 0x04))) | |
acebe8c1 ZL |
1686 | mwifiex_dbg(adapter, ERROR, |
1687 | "write CFG reg failed\n"); | |
b60186f8 | 1688 | else |
acebe8c1 | 1689 | mwifiex_dbg(adapter, INFO, "info: write success\n"); |
b60186f8 YAP |
1690 | |
1691 | if (mwifiex_read_reg(adapter, CONFIGURATION_REG, &cr)) | |
acebe8c1 ZL |
1692 | mwifiex_dbg(adapter, ERROR, |
1693 | "read CFG reg failed\n"); | |
b60186f8 | 1694 | else |
acebe8c1 ZL |
1695 | mwifiex_dbg(adapter, INFO, |
1696 | "info: CFG reg val =%x\n", cr); | |
b60186f8 YAP |
1697 | |
1698 | return -1; | |
5e6e3a92 BZ |
1699 | } |
1700 | ||
1701 | /* | |
1702 | * This function aggregates transmission buffers in driver and downloads | |
1703 | * the aggregated packet to card. | |
1704 | * | |
1705 | * The individual packets are aggregated by copying into an aggregation | |
1706 | * buffer and then downloaded to the card. Previous unsent packets in the | |
1707 | * aggregation buffer are pre-copied first before new packets are added. | |
1708 | * Aggregation is done till there is space left in the aggregation buffer, | |
1709 | * or till new packets are available. | |
1710 | * | |
1711 | * The function will only download the packet to the card when aggregation | |
1712 | * stops, otherwise it will just aggregate the packet in aggregation buffer | |
1713 | * and return. | |
1714 | */ | |
1715 | static int mwifiex_host_to_card_mp_aggr(struct mwifiex_adapter *adapter, | |
0fc0d43b | 1716 | u8 *payload, u32 pkt_len, u32 port, |
5e6e3a92 BZ |
1717 | u32 next_pkt_len) |
1718 | { | |
1719 | struct sdio_mmc_card *card = adapter->card; | |
1720 | int ret = 0; | |
1721 | s32 f_send_aggr_buf = 0; | |
1722 | s32 f_send_cur_buf = 0; | |
1723 | s32 f_precopy_cur_buf = 0; | |
1724 | s32 f_postcopy_cur_buf = 0; | |
0fc0d43b | 1725 | u32 mport; |
8b7ef8b6 | 1726 | int index; |
5e6e3a92 | 1727 | |
b60186f8 YAP |
1728 | if (!card->mpa_tx.enabled || |
1729 | (card->has_control_mask && (port == CTRL_PORT)) || | |
1730 | (card->supports_sdio_new_mode && (port == CMD_PORT_SLCT))) { | |
acebe8c1 ZL |
1731 | mwifiex_dbg(adapter, WARN, |
1732 | "info: %s: tx aggregation disabled\n", | |
1733 | __func__); | |
5e6e3a92 BZ |
1734 | |
1735 | f_send_cur_buf = 1; | |
1736 | goto tx_curr_single; | |
1737 | } | |
1738 | ||
1739 | if (next_pkt_len) { | |
1740 | /* More pkt in TX queue */ | |
acebe8c1 ZL |
1741 | mwifiex_dbg(adapter, INFO, |
1742 | "info: %s: more packets in queue.\n", | |
1743 | __func__); | |
5e6e3a92 BZ |
1744 | |
1745 | if (MP_TX_AGGR_IN_PROGRESS(card)) { | |
c7346c32 | 1746 | if (MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len)) { |
5e6e3a92 BZ |
1747 | f_precopy_cur_buf = 1; |
1748 | ||
1749 | if (!(card->mp_wr_bitmap & | |
5dbd326c YAP |
1750 | (1 << card->curr_wr_port)) || |
1751 | !MP_TX_AGGR_BUF_HAS_ROOM( | |
1752 | card, pkt_len + next_pkt_len)) | |
5e6e3a92 BZ |
1753 | f_send_aggr_buf = 1; |
1754 | } else { | |
1755 | /* No room in Aggr buf, send it */ | |
1756 | f_send_aggr_buf = 1; | |
1757 | ||
c7346c32 | 1758 | if (!(card->mp_wr_bitmap & |
5e6e3a92 BZ |
1759 | (1 << card->curr_wr_port))) |
1760 | f_send_cur_buf = 1; | |
1761 | else | |
1762 | f_postcopy_cur_buf = 1; | |
1763 | } | |
1764 | } else { | |
5dbd326c YAP |
1765 | if (MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len) && |
1766 | (card->mp_wr_bitmap & (1 << card->curr_wr_port))) | |
5e6e3a92 BZ |
1767 | f_precopy_cur_buf = 1; |
1768 | else | |
1769 | f_send_cur_buf = 1; | |
1770 | } | |
1771 | } else { | |
1772 | /* Last pkt in TX queue */ | |
acebe8c1 ZL |
1773 | mwifiex_dbg(adapter, INFO, |
1774 | "info: %s: Last packet in Tx Queue.\n", | |
1775 | __func__); | |
5e6e3a92 BZ |
1776 | |
1777 | if (MP_TX_AGGR_IN_PROGRESS(card)) { | |
1778 | /* some packs in Aggr buf already */ | |
1779 | f_send_aggr_buf = 1; | |
1780 | ||
1781 | if (MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len)) | |
1782 | f_precopy_cur_buf = 1; | |
1783 | else | |
1784 | /* No room in Aggr buf, send it */ | |
1785 | f_send_cur_buf = 1; | |
1786 | } else { | |
1787 | f_send_cur_buf = 1; | |
1788 | } | |
1789 | } | |
1790 | ||
1791 | if (f_precopy_cur_buf) { | |
acebe8c1 ZL |
1792 | mwifiex_dbg(adapter, DATA, |
1793 | "data: %s: precopy current buffer\n", | |
1794 | __func__); | |
5e6e3a92 BZ |
1795 | MP_TX_AGGR_BUF_PUT(card, payload, pkt_len, port); |
1796 | ||
1797 | if (MP_TX_AGGR_PKT_LIMIT_REACHED(card) || | |
c23b7c8f | 1798 | mp_tx_aggr_port_limit_reached(card)) |
5e6e3a92 BZ |
1799 | /* No more pkts allowed in Aggr buf, send it */ |
1800 | f_send_aggr_buf = 1; | |
1801 | } | |
1802 | ||
1803 | if (f_send_aggr_buf) { | |
acebe8c1 ZL |
1804 | mwifiex_dbg(adapter, DATA, |
1805 | "data: %s: send aggr buffer: %d %d\n", | |
1806 | __func__, card->mpa_tx.start_port, | |
1807 | card->mpa_tx.ports); | |
b60186f8 YAP |
1808 | if (card->supports_sdio_new_mode) { |
1809 | u32 port_count; | |
1810 | int i; | |
1811 | ||
1812 | for (i = 0, port_count = 0; i < card->max_ports; i++) | |
1813 | if (card->mpa_tx.ports & BIT(i)) | |
1814 | port_count++; | |
1815 | ||
1816 | /* Writing data from "start_port + 0" to "start_port + | |
1817 | * port_count -1", so decrease the count by 1 | |
1818 | */ | |
1819 | port_count--; | |
1820 | mport = (adapter->ioport | SDIO_MPA_ADDR_BASE | | |
1821 | (port_count << 8)) + card->mpa_tx.start_port; | |
1822 | } else { | |
1823 | mport = (adapter->ioport | SDIO_MPA_ADDR_BASE | | |
1824 | (card->mpa_tx.ports << 4)) + | |
1825 | card->mpa_tx.start_port; | |
1826 | } | |
1827 | ||
0cb52aac | 1828 | if (card->mpa_tx.pkt_cnt == 1) |
ecd7eb7c | 1829 | mport = adapter->ioport + card->mpa_tx.start_port; |
0cb52aac | 1830 | |
5e6e3a92 | 1831 | ret = mwifiex_write_data_to_card(adapter, card->mpa_tx.buf, |
0fc0d43b | 1832 | card->mpa_tx.buf_len, mport); |
5e6e3a92 | 1833 | |
8b7ef8b6 XH |
1834 | /* Save the last multi port tx aggreagation info to debug log */ |
1835 | index = adapter->dbg.last_sdio_mp_index; | |
1836 | index = (index + 1) % MWIFIEX_DBG_SDIO_MP_NUM; | |
1837 | adapter->dbg.last_sdio_mp_index = index; | |
1838 | adapter->dbg.last_mp_wr_ports[index] = mport; | |
1839 | adapter->dbg.last_mp_wr_bitmap[index] = card->mp_wr_bitmap; | |
1840 | adapter->dbg.last_mp_wr_len[index] = card->mpa_tx.buf_len; | |
1841 | adapter->dbg.last_mp_curr_wr_port[index] = card->curr_wr_port; | |
1842 | ||
5e6e3a92 BZ |
1843 | MP_TX_AGGR_BUF_RESET(card); |
1844 | } | |
1845 | ||
1846 | tx_curr_single: | |
1847 | if (f_send_cur_buf) { | |
acebe8c1 ZL |
1848 | mwifiex_dbg(adapter, DATA, |
1849 | "data: %s: send current buffer %d\n", | |
1850 | __func__, port); | |
5e6e3a92 BZ |
1851 | ret = mwifiex_write_data_to_card(adapter, payload, pkt_len, |
1852 | adapter->ioport + port); | |
1853 | } | |
1854 | ||
1855 | if (f_postcopy_cur_buf) { | |
acebe8c1 ZL |
1856 | mwifiex_dbg(adapter, DATA, |
1857 | "data: %s: postcopy current buffer\n", | |
1858 | __func__); | |
5e6e3a92 BZ |
1859 | MP_TX_AGGR_BUF_PUT(card, payload, pkt_len, port); |
1860 | } | |
1861 | ||
1862 | return ret; | |
1863 | } | |
1864 | ||
1865 | /* | |
1866 | * This function downloads data from driver to card. | |
1867 | * | |
1868 | * Both commands and data packets are transferred to the card by this | |
1869 | * function. | |
1870 | * | |
1871 | * This function adds the SDIO specific header to the front of the buffer | |
1872 | * before transferring. The header contains the length of the packet and | |
1873 | * the type. The firmware handles the packets based upon this set type. | |
1874 | */ | |
1875 | static int mwifiex_sdio_host_to_card(struct mwifiex_adapter *adapter, | |
d930faee | 1876 | u8 type, struct sk_buff *skb, |
5e6e3a92 BZ |
1877 | struct mwifiex_tx_param *tx_param) |
1878 | { | |
1879 | struct sdio_mmc_card *card = adapter->card; | |
270e58e8 | 1880 | int ret; |
5e6e3a92 BZ |
1881 | u32 buf_block_len; |
1882 | u32 blk_size; | |
0fc0d43b | 1883 | u32 port = CTRL_PORT; |
d930faee AK |
1884 | u8 *payload = (u8 *)skb->data; |
1885 | u32 pkt_len = skb->len; | |
5e6e3a92 BZ |
1886 | |
1887 | /* Allocate buffer and copy payload */ | |
1888 | blk_size = MWIFIEX_SDIO_BLOCK_SIZE; | |
1889 | buf_block_len = (pkt_len + blk_size - 1) / blk_size; | |
92c70a95 DP |
1890 | put_unaligned_le16((u16)pkt_len, payload + 0); |
1891 | put_unaligned_le16((u32)type, payload + 2); | |
1892 | ||
5e6e3a92 BZ |
1893 | |
1894 | /* | |
1895 | * This is SDIO specific header | |
1896 | * u16 length, | |
1897 | * u16 type (MWIFIEX_TYPE_DATA = 0, MWIFIEX_TYPE_CMD = 1, | |
1898 | * MWIFIEX_TYPE_EVENT = 3) | |
1899 | */ | |
1900 | if (type == MWIFIEX_TYPE_DATA) { | |
1901 | ret = mwifiex_get_wr_port_data(adapter, &port); | |
1902 | if (ret) { | |
acebe8c1 ZL |
1903 | mwifiex_dbg(adapter, ERROR, |
1904 | "%s: no wr_port available\n", | |
1905 | __func__); | |
5e6e3a92 BZ |
1906 | return ret; |
1907 | } | |
1908 | } else { | |
1909 | adapter->cmd_sent = true; | |
1910 | /* Type must be MWIFIEX_TYPE_CMD */ | |
1911 | ||
f4c5d599 | 1912 | if (pkt_len <= adapter->intf_hdr_len || |
5e6e3a92 | 1913 | pkt_len > MWIFIEX_UPLD_SIZE) |
acebe8c1 ZL |
1914 | mwifiex_dbg(adapter, ERROR, |
1915 | "%s: payload=%p, nb=%d\n", | |
1916 | __func__, payload, pkt_len); | |
b60186f8 YAP |
1917 | |
1918 | if (card->supports_sdio_new_mode) | |
1919 | port = CMD_PORT_SLCT; | |
5e6e3a92 BZ |
1920 | } |
1921 | ||
1922 | /* Transfer data to card */ | |
1923 | pkt_len = buf_block_len * blk_size; | |
1924 | ||
1925 | if (tx_param) | |
1926 | ret = mwifiex_host_to_card_mp_aggr(adapter, payload, pkt_len, | |
5dbd326c YAP |
1927 | port, tx_param->next_pkt_len |
1928 | ); | |
5e6e3a92 BZ |
1929 | else |
1930 | ret = mwifiex_host_to_card_mp_aggr(adapter, payload, pkt_len, | |
5dbd326c | 1931 | port, 0); |
5e6e3a92 BZ |
1932 | |
1933 | if (ret) { | |
1934 | if (type == MWIFIEX_TYPE_CMD) | |
1935 | adapter->cmd_sent = false; | |
bb71d01a | 1936 | if (type == MWIFIEX_TYPE_DATA) { |
5e6e3a92 | 1937 | adapter->data_sent = false; |
bb71d01a AP |
1938 | /* restore curr_wr_port in error cases */ |
1939 | card->curr_wr_port = port; | |
1940 | card->mp_wr_bitmap |= (u32)(1 << card->curr_wr_port); | |
1941 | } | |
5e6e3a92 BZ |
1942 | } else { |
1943 | if (type == MWIFIEX_TYPE_DATA) { | |
1944 | if (!(card->mp_wr_bitmap & (1 << card->curr_wr_port))) | |
1945 | adapter->data_sent = true; | |
1946 | else | |
1947 | adapter->data_sent = false; | |
1948 | } | |
1949 | } | |
1950 | ||
1951 | return ret; | |
1952 | } | |
1953 | ||
1954 | /* | |
1955 | * This function allocates the MPA Tx and Rx buffers. | |
1956 | */ | |
1957 | static int mwifiex_alloc_sdio_mpa_buffers(struct mwifiex_adapter *adapter, | |
1958 | u32 mpa_tx_buf_size, u32 mpa_rx_buf_size) | |
1959 | { | |
1960 | struct sdio_mmc_card *card = adapter->card; | |
92263a84 | 1961 | u32 rx_buf_size; |
5e6e3a92 BZ |
1962 | int ret = 0; |
1963 | ||
1964 | card->mpa_tx.buf = kzalloc(mpa_tx_buf_size, GFP_KERNEL); | |
1965 | if (!card->mpa_tx.buf) { | |
5e6e3a92 BZ |
1966 | ret = -1; |
1967 | goto error; | |
1968 | } | |
1969 | ||
1970 | card->mpa_tx.buf_size = mpa_tx_buf_size; | |
1971 | ||
92263a84 ZL |
1972 | rx_buf_size = max_t(u32, mpa_rx_buf_size, |
1973 | (u32)SDIO_MAX_AGGR_BUF_SIZE); | |
1974 | card->mpa_rx.buf = kzalloc(rx_buf_size, GFP_KERNEL); | |
5e6e3a92 | 1975 | if (!card->mpa_rx.buf) { |
5e6e3a92 BZ |
1976 | ret = -1; |
1977 | goto error; | |
1978 | } | |
1979 | ||
92263a84 | 1980 | card->mpa_rx.buf_size = rx_buf_size; |
5e6e3a92 BZ |
1981 | |
1982 | error: | |
1983 | if (ret) { | |
1984 | kfree(card->mpa_tx.buf); | |
1985 | kfree(card->mpa_rx.buf); | |
e3ad3d5b XH |
1986 | card->mpa_tx.buf_size = 0; |
1987 | card->mpa_rx.buf_size = 0; | |
5e6e3a92 BZ |
1988 | } |
1989 | ||
1990 | return ret; | |
1991 | } | |
1992 | ||
1993 | /* | |
1994 | * This function unregisters the SDIO device. | |
1995 | * | |
1996 | * The SDIO IRQ is released, the function is disabled and driver | |
1997 | * data is set to null. | |
1998 | */ | |
1999 | static void | |
2000 | mwifiex_unregister_dev(struct mwifiex_adapter *adapter) | |
2001 | { | |
2002 | struct sdio_mmc_card *card = adapter->card; | |
2003 | ||
2004 | if (adapter->card) { | |
bcf28a2f | 2005 | card->adapter = NULL; |
5e6e3a92 | 2006 | sdio_claim_host(card->func); |
5e6e3a92 BZ |
2007 | sdio_disable_func(card->func); |
2008 | sdio_release_host(card->func); | |
5e6e3a92 BZ |
2009 | } |
2010 | } | |
2011 | ||
2012 | /* | |
2013 | * This function registers the SDIO device. | |
2014 | * | |
2015 | * SDIO IRQ is claimed, block size is set and driver data is initialized. | |
2016 | */ | |
2017 | static int mwifiex_register_dev(struct mwifiex_adapter *adapter) | |
2018 | { | |
232fde06 | 2019 | int ret; |
5e6e3a92 BZ |
2020 | struct sdio_mmc_card *card = adapter->card; |
2021 | struct sdio_func *func = card->func; | |
2022 | ||
2023 | /* save adapter pointer in card */ | |
2024 | card->adapter = adapter; | |
828cf222 | 2025 | adapter->tx_buf_size = card->tx_buf_size; |
5e6e3a92 BZ |
2026 | |
2027 | sdio_claim_host(func); | |
2028 | ||
5e6e3a92 BZ |
2029 | /* Set block size */ |
2030 | ret = sdio_set_block_size(card->func, MWIFIEX_SDIO_BLOCK_SIZE); | |
232fde06 | 2031 | sdio_release_host(func); |
5e6e3a92 | 2032 | if (ret) { |
acebe8c1 ZL |
2033 | mwifiex_dbg(adapter, ERROR, |
2034 | "cannot set SDIO block size\n"); | |
232fde06 | 2035 | return ret; |
5e6e3a92 BZ |
2036 | } |
2037 | ||
05889f82 | 2038 | strcpy(adapter->fw_name, card->firmware); |
eee7f196 ZL |
2039 | if (card->fw_dump_enh) { |
2040 | adapter->mem_type_mapping_tbl = generic_mem_type_map; | |
2041 | adapter->num_mem_types = 1; | |
2042 | } else { | |
2043 | adapter->mem_type_mapping_tbl = mem_type_mapping_tbl; | |
2044 | adapter->num_mem_types = ARRAY_SIZE(mem_type_mapping_tbl); | |
2045 | } | |
5e6e3a92 BZ |
2046 | |
2047 | return 0; | |
5e6e3a92 BZ |
2048 | } |
2049 | ||
2050 | /* | |
2051 | * This function initializes the SDIO driver. | |
2052 | * | |
2053 | * The following initializations steps are followed - | |
2054 | * - Read the Host interrupt status register to acknowledge | |
2055 | * the first interrupt got from bootloader | |
2056 | * - Disable host interrupt mask register | |
2057 | * - Get SDIO port | |
5e6e3a92 BZ |
2058 | * - Initialize SDIO variables in card |
2059 | * - Allocate MP registers | |
2060 | * - Allocate MPA Tx and Rx buffers | |
2061 | */ | |
2062 | static int mwifiex_init_sdio(struct mwifiex_adapter *adapter) | |
2063 | { | |
2064 | struct sdio_mmc_card *card = adapter->card; | |
05889f82 | 2065 | const struct mwifiex_sdio_card_reg *reg = card->reg; |
5e6e3a92 | 2066 | int ret; |
ab93d4ff | 2067 | u8 sdio_ireg; |
5e6e3a92 | 2068 | |
3c59e328 AK |
2069 | sdio_set_drvdata(card->func, card); |
2070 | ||
5e6e3a92 | 2071 | /* |
554a0113 | 2072 | * Read the host_int_status_reg for ACK the first interrupt got |
5e6e3a92 BZ |
2073 | * from the bootloader. If we don't do this we get a interrupt |
2074 | * as soon as we register the irq. | |
2075 | */ | |
554a0113 | 2076 | mwifiex_read_reg(adapter, card->reg->host_int_status_reg, &sdio_ireg); |
5e6e3a92 | 2077 | |
5e6e3a92 BZ |
2078 | /* Get SDIO ioport */ |
2079 | mwifiex_init_sdio_ioport(adapter); | |
2080 | ||
5e6e3a92 BZ |
2081 | /* Initialize SDIO variables in card */ |
2082 | card->mp_rd_bitmap = 0; | |
2083 | card->mp_wr_bitmap = 0; | |
05889f82 AK |
2084 | card->curr_rd_port = reg->start_rd_port; |
2085 | card->curr_wr_port = reg->start_wr_port; | |
5e6e3a92 | 2086 | |
05889f82 | 2087 | card->mp_data_port_mask = reg->data_port_mask; |
5e6e3a92 BZ |
2088 | |
2089 | card->mpa_tx.buf_len = 0; | |
2090 | card->mpa_tx.pkt_cnt = 0; | |
2091 | card->mpa_tx.start_port = 0; | |
2092 | ||
7d7ab022 | 2093 | card->mpa_tx.enabled = 1; |
05889f82 | 2094 | card->mpa_tx.pkt_aggr_limit = card->mp_agg_pkt_limit; |
5e6e3a92 BZ |
2095 | |
2096 | card->mpa_rx.buf_len = 0; | |
2097 | card->mpa_rx.pkt_cnt = 0; | |
2098 | card->mpa_rx.start_port = 0; | |
2099 | ||
7d7ab022 | 2100 | card->mpa_rx.enabled = 1; |
05889f82 | 2101 | card->mpa_rx.pkt_aggr_limit = card->mp_agg_pkt_limit; |
5e6e3a92 BZ |
2102 | |
2103 | /* Allocate buffers for SDIO MP-A */ | |
05889f82 | 2104 | card->mp_regs = kzalloc(reg->max_mp_regs, GFP_KERNEL); |
0d2e7a5c | 2105 | if (!card->mp_regs) |
b53575ec | 2106 | return -ENOMEM; |
5e6e3a92 | 2107 | |
c23b7c8f | 2108 | /* Allocate skb pointer buffers */ |
6396bb22 KC |
2109 | card->mpa_rx.skb_arr = kcalloc(card->mp_agg_pkt_limit, sizeof(void *), |
2110 | GFP_KERNEL); | |
50f85e22 IY |
2111 | if (!card->mpa_rx.skb_arr) { |
2112 | kfree(card->mp_regs); | |
2113 | return -ENOMEM; | |
2114 | } | |
2115 | ||
6396bb22 KC |
2116 | card->mpa_rx.len_arr = kcalloc(card->mp_agg_pkt_limit, |
2117 | sizeof(*card->mpa_rx.len_arr), | |
2118 | GFP_KERNEL); | |
50f85e22 IY |
2119 | if (!card->mpa_rx.len_arr) { |
2120 | kfree(card->mp_regs); | |
2121 | kfree(card->mpa_rx.skb_arr); | |
2122 | return -ENOMEM; | |
2123 | } | |
2124 | ||
5e6e3a92 | 2125 | ret = mwifiex_alloc_sdio_mpa_buffers(adapter, |
e1aa93a4 AK |
2126 | card->mp_tx_agg_buf_size, |
2127 | card->mp_rx_agg_buf_size); | |
9a9053c3 XH |
2128 | |
2129 | /* Allocate 32k MPA Tx/Rx buffers if 64k memory allocation fails */ | |
2130 | if (ret && (card->mp_tx_agg_buf_size == MWIFIEX_MP_AGGR_BUF_SIZE_MAX || | |
2131 | card->mp_rx_agg_buf_size == MWIFIEX_MP_AGGR_BUF_SIZE_MAX)) { | |
2132 | /* Disable rx single port aggregation */ | |
2133 | adapter->host_disable_sdio_rx_aggr = true; | |
2134 | ||
2135 | ret = mwifiex_alloc_sdio_mpa_buffers | |
2136 | (adapter, MWIFIEX_MP_AGGR_BUF_SIZE_32K, | |
2137 | MWIFIEX_MP_AGGR_BUF_SIZE_32K); | |
2138 | if (ret) { | |
2139 | /* Disable multi port aggregation */ | |
2140 | card->mpa_tx.enabled = 0; | |
2141 | card->mpa_rx.enabled = 0; | |
2142 | } | |
5e6e3a92 BZ |
2143 | } |
2144 | ||
b4e8aebb | 2145 | adapter->auto_tdls = card->can_auto_tdls; |
1fe192d8 | 2146 | adapter->ext_scan = card->can_ext_scan; |
9a9053c3 | 2147 | return 0; |
5e6e3a92 BZ |
2148 | } |
2149 | ||
2150 | /* | |
2151 | * This function resets the MPA Tx and Rx buffers. | |
2152 | */ | |
2153 | static void mwifiex_cleanup_mpa_buf(struct mwifiex_adapter *adapter) | |
2154 | { | |
2155 | struct sdio_mmc_card *card = adapter->card; | |
2156 | ||
2157 | MP_TX_AGGR_BUF_RESET(card); | |
2158 | MP_RX_AGGR_BUF_RESET(card); | |
2159 | } | |
2160 | ||
2161 | /* | |
2162 | * This function cleans up the allocated card buffers. | |
2163 | * | |
2164 | * The following are freed by this function - | |
2165 | * - MP registers | |
2166 | * - MPA Tx buffer | |
2167 | * - MPA Rx buffer | |
2168 | */ | |
2169 | static void mwifiex_cleanup_sdio(struct mwifiex_adapter *adapter) | |
2170 | { | |
2171 | struct sdio_mmc_card *card = adapter->card; | |
2172 | ||
5caa7f38 BN |
2173 | cancel_work_sync(&card->work); |
2174 | ||
5e6e3a92 | 2175 | kfree(card->mp_regs); |
c23b7c8f AK |
2176 | kfree(card->mpa_rx.skb_arr); |
2177 | kfree(card->mpa_rx.len_arr); | |
5e6e3a92 BZ |
2178 | kfree(card->mpa_tx.buf); |
2179 | kfree(card->mpa_rx.buf); | |
2180 | } | |
2181 | ||
2182 | /* | |
2183 | * This function updates the MP end port in card. | |
2184 | */ | |
2185 | static void | |
2186 | mwifiex_update_mp_end_port(struct mwifiex_adapter *adapter, u16 port) | |
2187 | { | |
2188 | struct sdio_mmc_card *card = adapter->card; | |
05889f82 | 2189 | const struct mwifiex_sdio_card_reg *reg = card->reg; |
5e6e3a92 BZ |
2190 | int i; |
2191 | ||
2192 | card->mp_end_port = port; | |
2193 | ||
05889f82 | 2194 | card->mp_data_port_mask = reg->data_port_mask; |
5e6e3a92 | 2195 | |
b60186f8 YAP |
2196 | if (reg->start_wr_port) { |
2197 | for (i = 1; i <= card->max_ports - card->mp_end_port; i++) | |
2198 | card->mp_data_port_mask &= | |
2199 | ~(1 << (card->max_ports - i)); | |
2200 | } | |
5e6e3a92 | 2201 | |
05889f82 | 2202 | card->curr_wr_port = reg->start_wr_port; |
5e6e3a92 | 2203 | |
acebe8c1 ZL |
2204 | mwifiex_dbg(adapter, CMD, |
2205 | "cmd: mp_end_port %d, data port mask 0x%x\n", | |
2206 | port, card->mp_data_port_mask); | |
5e6e3a92 BZ |
2207 | } |
2208 | ||
c742e623 | 2209 | static void mwifiex_sdio_card_reset_work(struct mwifiex_adapter *adapter) |
b4336a28 | 2210 | { |
c742e623 | 2211 | struct sdio_mmc_card *card = adapter->card; |
b4336a28 | 2212 | struct sdio_func *func = card->func; |
755b37c9 | 2213 | int ret; |
b4336a28 | 2214 | |
c742e623 | 2215 | mwifiex_shutdown_sw(adapter); |
66b9c182 | 2216 | |
b4336a28 AF |
2217 | /* power cycle the adapter */ |
2218 | sdio_claim_host(func); | |
2219 | mmc_hw_reset(func->card->host); | |
2220 | sdio_release_host(func); | |
2221 | ||
74c8719b AK |
2222 | /* Previous save_adapter won't be valid after this. We will cancel |
2223 | * pending work requests. | |
2224 | */ | |
cc75c577 XH |
2225 | clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, &card->work_flags); |
2226 | clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags); | |
74c8719b | 2227 | |
755b37c9 BN |
2228 | ret = mwifiex_reinit_sw(adapter); |
2229 | if (ret) | |
2230 | dev_err(&func->dev, "reinit failed: %d\n", ret); | |
d31ab357 | 2231 | } |
8915d738 | 2232 | |
54881c6b AK |
2233 | /* This function read/write firmware */ |
2234 | static enum | |
2235 | rdwr_status mwifiex_sdio_rdwr_firmware(struct mwifiex_adapter *adapter, | |
2236 | u8 doneflag) | |
2237 | { | |
2238 | struct sdio_mmc_card *card = adapter->card; | |
2239 | int ret, tries; | |
2240 | u8 ctrl_data = 0; | |
2241 | ||
eee7f196 ZL |
2242 | sdio_writeb(card->func, card->reg->fw_dump_host_ready, |
2243 | card->reg->fw_dump_ctrl, &ret); | |
54881c6b | 2244 | if (ret) { |
acebe8c1 | 2245 | mwifiex_dbg(adapter, ERROR, "SDIO Write ERR\n"); |
54881c6b AK |
2246 | return RDWR_STATUS_FAILURE; |
2247 | } | |
2248 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
2249 | ctrl_data = sdio_readb(card->func, card->reg->fw_dump_ctrl, | |
2250 | &ret); | |
2251 | if (ret) { | |
acebe8c1 | 2252 | mwifiex_dbg(adapter, ERROR, "SDIO read err\n"); |
54881c6b AK |
2253 | return RDWR_STATUS_FAILURE; |
2254 | } | |
2255 | if (ctrl_data == FW_DUMP_DONE) | |
2256 | break; | |
2257 | if (doneflag && ctrl_data == doneflag) | |
2258 | return RDWR_STATUS_DONE; | |
eee7f196 | 2259 | if (ctrl_data != card->reg->fw_dump_host_ready) { |
acebe8c1 | 2260 | mwifiex_dbg(adapter, WARN, |
eee7f196 ZL |
2261 | "The ctrl reg was changed, re-try again\n"); |
2262 | sdio_writeb(card->func, card->reg->fw_dump_host_ready, | |
54881c6b AK |
2263 | card->reg->fw_dump_ctrl, &ret); |
2264 | if (ret) { | |
acebe8c1 | 2265 | mwifiex_dbg(adapter, ERROR, "SDIO write err\n"); |
54881c6b AK |
2266 | return RDWR_STATUS_FAILURE; |
2267 | } | |
2268 | } | |
2269 | usleep_range(100, 200); | |
2270 | } | |
eee7f196 | 2271 | if (ctrl_data == card->reg->fw_dump_host_ready) { |
acebe8c1 ZL |
2272 | mwifiex_dbg(adapter, ERROR, |
2273 | "Fail to pull ctrl_data\n"); | |
54881c6b AK |
2274 | return RDWR_STATUS_FAILURE; |
2275 | } | |
2276 | ||
2277 | return RDWR_STATUS_SUCCESS; | |
2278 | } | |
2279 | ||
2280 | /* This function dump firmware memory to file */ | |
fc697159 | 2281 | static void mwifiex_sdio_fw_dump(struct mwifiex_adapter *adapter) |
54881c6b | 2282 | { |
54881c6b AK |
2283 | struct sdio_mmc_card *card = adapter->card; |
2284 | int ret = 0; | |
2285 | unsigned int reg, reg_start, reg_end; | |
2286 | u8 *dbg_ptr, *end_ptr, dump_num, idx, i, read_reg, doneflag = 0; | |
54881c6b AK |
2287 | enum rdwr_status stat; |
2288 | u32 memory_size; | |
54881c6b | 2289 | |
b4e8aebb | 2290 | if (!card->can_dump_fw) |
54881c6b AK |
2291 | return; |
2292 | ||
2293 | for (idx = 0; idx < ARRAY_SIZE(mem_type_mapping_tbl); idx++) { | |
2294 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
2295 | ||
2296 | if (entry->mem_ptr) { | |
2297 | vfree(entry->mem_ptr); | |
2298 | entry->mem_ptr = NULL; | |
2299 | } | |
2300 | entry->mem_size = 0; | |
2301 | } | |
2302 | ||
2303 | mwifiex_pm_wakeup_card(adapter); | |
2304 | sdio_claim_host(card->func); | |
2305 | ||
acebe8c1 | 2306 | mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump start ==\n"); |
54881c6b AK |
2307 | |
2308 | stat = mwifiex_sdio_rdwr_firmware(adapter, doneflag); | |
2309 | if (stat == RDWR_STATUS_FAILURE) | |
2310 | goto done; | |
2311 | ||
2312 | reg = card->reg->fw_dump_start; | |
2313 | /* Read the number of the memories which will dump */ | |
2314 | dump_num = sdio_readb(card->func, reg, &ret); | |
2315 | if (ret) { | |
acebe8c1 | 2316 | mwifiex_dbg(adapter, ERROR, "SDIO read memory length err\n"); |
54881c6b AK |
2317 | goto done; |
2318 | } | |
2319 | ||
2320 | /* Read the length of every memory which will dump */ | |
2321 | for (idx = 0; idx < dump_num; idx++) { | |
2322 | struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; | |
2323 | ||
2324 | stat = mwifiex_sdio_rdwr_firmware(adapter, doneflag); | |
2325 | if (stat == RDWR_STATUS_FAILURE) | |
2326 | goto done; | |
2327 | ||
2328 | memory_size = 0; | |
2329 | reg = card->reg->fw_dump_start; | |
2330 | for (i = 0; i < 4; i++) { | |
2331 | read_reg = sdio_readb(card->func, reg, &ret); | |
2332 | if (ret) { | |
acebe8c1 | 2333 | mwifiex_dbg(adapter, ERROR, "SDIO read err\n"); |
54881c6b AK |
2334 | goto done; |
2335 | } | |
2336 | memory_size |= (read_reg << i*8); | |
2337 | reg++; | |
2338 | } | |
2339 | ||
2340 | if (memory_size == 0) { | |
acebe8c1 | 2341 | mwifiex_dbg(adapter, DUMP, "Firmware dump Finished!\n"); |
e065ddb8 AK |
2342 | ret = mwifiex_write_reg(adapter, |
2343 | card->reg->fw_dump_ctrl, | |
2344 | FW_DUMP_READ_DONE); | |
2345 | if (ret) { | |
2346 | mwifiex_dbg(adapter, ERROR, "SDIO write err\n"); | |
2347 | return; | |
2348 | } | |
54881c6b AK |
2349 | break; |
2350 | } | |
2351 | ||
acebe8c1 ZL |
2352 | mwifiex_dbg(adapter, DUMP, |
2353 | "%s_SIZE=0x%x\n", entry->mem_name, memory_size); | |
54881c6b AK |
2354 | entry->mem_ptr = vmalloc(memory_size + 1); |
2355 | entry->mem_size = memory_size; | |
2356 | if (!entry->mem_ptr) { | |
acebe8c1 ZL |
2357 | mwifiex_dbg(adapter, ERROR, "Vmalloc %s failed\n", |
2358 | entry->mem_name); | |
54881c6b AK |
2359 | goto done; |
2360 | } | |
2361 | dbg_ptr = entry->mem_ptr; | |
2362 | end_ptr = dbg_ptr + memory_size; | |
2363 | ||
2364 | doneflag = entry->done_flag; | |
acebe8c1 ZL |
2365 | mwifiex_dbg(adapter, DUMP, |
2366 | "Start %s output, please wait...\n", | |
2367 | entry->mem_name); | |
54881c6b AK |
2368 | |
2369 | do { | |
2370 | stat = mwifiex_sdio_rdwr_firmware(adapter, doneflag); | |
2371 | if (stat == RDWR_STATUS_FAILURE) | |
2372 | goto done; | |
2373 | ||
2374 | reg_start = card->reg->fw_dump_start; | |
2375 | reg_end = card->reg->fw_dump_end; | |
2376 | for (reg = reg_start; reg <= reg_end; reg++) { | |
2377 | *dbg_ptr = sdio_readb(card->func, reg, &ret); | |
2378 | if (ret) { | |
acebe8c1 ZL |
2379 | mwifiex_dbg(adapter, ERROR, |
2380 | "SDIO read err\n"); | |
54881c6b AK |
2381 | goto done; |
2382 | } | |
2383 | if (dbg_ptr < end_ptr) | |
2384 | dbg_ptr++; | |
2385 | else | |
acebe8c1 ZL |
2386 | mwifiex_dbg(adapter, ERROR, |
2387 | "Allocated buf not enough\n"); | |
54881c6b AK |
2388 | } |
2389 | ||
2390 | if (stat != RDWR_STATUS_DONE) | |
2391 | continue; | |
2392 | ||
acebe8c1 ZL |
2393 | mwifiex_dbg(adapter, DUMP, "%s done: size=0x%tx\n", |
2394 | entry->mem_name, dbg_ptr - entry->mem_ptr); | |
54881c6b AK |
2395 | break; |
2396 | } while (1); | |
2397 | } | |
acebe8c1 | 2398 | mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump end ==\n"); |
54881c6b | 2399 | |
54881c6b AK |
2400 | done: |
2401 | sdio_release_host(card->func); | |
54881c6b AK |
2402 | } |
2403 | ||
eee7f196 ZL |
2404 | static void mwifiex_sdio_generic_fw_dump(struct mwifiex_adapter *adapter) |
2405 | { | |
2406 | struct sdio_mmc_card *card = adapter->card; | |
2407 | struct memory_type_mapping *entry = &generic_mem_type_map[0]; | |
2408 | unsigned int reg, reg_start, reg_end; | |
2409 | u8 start_flag = 0, done_flag = 0; | |
2410 | u8 *dbg_ptr, *end_ptr; | |
2411 | enum rdwr_status stat; | |
2412 | int ret = -1, tries; | |
2413 | ||
2414 | if (!card->fw_dump_enh) | |
2415 | return; | |
2416 | ||
2417 | if (entry->mem_ptr) { | |
2418 | vfree(entry->mem_ptr); | |
2419 | entry->mem_ptr = NULL; | |
2420 | } | |
2421 | entry->mem_size = 0; | |
2422 | ||
2423 | mwifiex_pm_wakeup_card(adapter); | |
2424 | sdio_claim_host(card->func); | |
2425 | ||
2426 | mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump start ==\n"); | |
2427 | ||
2428 | stat = mwifiex_sdio_rdwr_firmware(adapter, done_flag); | |
2429 | if (stat == RDWR_STATUS_FAILURE) | |
2430 | goto done; | |
2431 | ||
2432 | reg_start = card->reg->fw_dump_start; | |
2433 | reg_end = card->reg->fw_dump_end; | |
2434 | for (reg = reg_start; reg <= reg_end; reg++) { | |
2435 | for (tries = 0; tries < MAX_POLL_TRIES; tries++) { | |
2436 | start_flag = sdio_readb(card->func, reg, &ret); | |
2437 | if (ret) { | |
2438 | mwifiex_dbg(adapter, ERROR, | |
2439 | "SDIO read err\n"); | |
2440 | goto done; | |
2441 | } | |
2442 | if (start_flag == 0) | |
2443 | break; | |
2444 | if (tries == MAX_POLL_TRIES) { | |
2445 | mwifiex_dbg(adapter, ERROR, | |
2446 | "FW not ready to dump\n"); | |
2447 | ret = -1; | |
2448 | goto done; | |
2449 | } | |
2450 | } | |
2451 | usleep_range(100, 200); | |
2452 | } | |
2453 | ||
2454 | entry->mem_ptr = vmalloc(0xf0000 + 1); | |
2455 | if (!entry->mem_ptr) { | |
2456 | ret = -1; | |
2457 | goto done; | |
2458 | } | |
2459 | dbg_ptr = entry->mem_ptr; | |
2460 | entry->mem_size = 0xf0000; | |
2461 | end_ptr = dbg_ptr + entry->mem_size; | |
2462 | ||
2463 | done_flag = entry->done_flag; | |
2464 | mwifiex_dbg(adapter, DUMP, | |
2465 | "Start %s output, please wait...\n", entry->mem_name); | |
2466 | ||
2467 | while (true) { | |
2468 | stat = mwifiex_sdio_rdwr_firmware(adapter, done_flag); | |
2469 | if (stat == RDWR_STATUS_FAILURE) | |
2470 | goto done; | |
2471 | for (reg = reg_start; reg <= reg_end; reg++) { | |
2472 | *dbg_ptr = sdio_readb(card->func, reg, &ret); | |
2473 | if (ret) { | |
2474 | mwifiex_dbg(adapter, ERROR, | |
2475 | "SDIO read err\n"); | |
2476 | goto done; | |
2477 | } | |
2478 | dbg_ptr++; | |
2479 | if (dbg_ptr >= end_ptr) { | |
2480 | u8 *tmp_ptr; | |
2481 | ||
2482 | tmp_ptr = vmalloc(entry->mem_size + 0x4000 + 1); | |
2483 | if (!tmp_ptr) | |
2484 | goto done; | |
2485 | ||
2486 | memcpy(tmp_ptr, entry->mem_ptr, | |
2487 | entry->mem_size); | |
2488 | vfree(entry->mem_ptr); | |
2489 | entry->mem_ptr = tmp_ptr; | |
2490 | tmp_ptr = NULL; | |
2491 | dbg_ptr = entry->mem_ptr + entry->mem_size; | |
2492 | entry->mem_size += 0x4000; | |
2493 | end_ptr = entry->mem_ptr + entry->mem_size; | |
2494 | } | |
2495 | } | |
2496 | if (stat == RDWR_STATUS_DONE) { | |
2497 | entry->mem_size = dbg_ptr - entry->mem_ptr; | |
2498 | mwifiex_dbg(adapter, DUMP, "dump %s done size=0x%x\n", | |
2499 | entry->mem_name, entry->mem_size); | |
2500 | ret = 0; | |
2501 | break; | |
2502 | } | |
2503 | } | |
2504 | mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump end ==\n"); | |
2505 | ||
2506 | done: | |
2507 | if (ret) { | |
2508 | mwifiex_dbg(adapter, ERROR, "firmware dump failed\n"); | |
2509 | if (entry->mem_ptr) { | |
2510 | vfree(entry->mem_ptr); | |
2511 | entry->mem_ptr = NULL; | |
2512 | } | |
2513 | entry->mem_size = 0; | |
2514 | } | |
2515 | sdio_release_host(card->func); | |
2516 | } | |
2517 | ||
fc697159 AK |
2518 | static void mwifiex_sdio_device_dump_work(struct mwifiex_adapter *adapter) |
2519 | { | |
eee7f196 ZL |
2520 | struct sdio_mmc_card *card = adapter->card; |
2521 | ||
d0e2b44e XH |
2522 | adapter->devdump_data = vzalloc(MWIFIEX_FW_DUMP_SIZE); |
2523 | if (!adapter->devdump_data) { | |
2524 | mwifiex_dbg(adapter, ERROR, | |
2525 | "vzalloc devdump data failure!\n"); | |
2526 | return; | |
2527 | } | |
2528 | ||
2529 | mwifiex_drv_info_dump(adapter); | |
eee7f196 ZL |
2530 | if (card->fw_dump_enh) |
2531 | mwifiex_sdio_generic_fw_dump(adapter); | |
2532 | else | |
2533 | mwifiex_sdio_fw_dump(adapter); | |
d0e2b44e XH |
2534 | mwifiex_prepare_fw_dump_info(adapter); |
2535 | mwifiex_upload_device_dump(adapter); | |
fc697159 AK |
2536 | } |
2537 | ||
8915d738 AK |
2538 | static void mwifiex_sdio_work(struct work_struct *work) |
2539 | { | |
cc75c577 XH |
2540 | struct sdio_mmc_card *card = |
2541 | container_of(work, struct sdio_mmc_card, work); | |
2542 | ||
fc697159 | 2543 | if (test_and_clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, |
cc75c577 XH |
2544 | &card->work_flags)) |
2545 | mwifiex_sdio_device_dump_work(card->adapter); | |
2f5872b6 | 2546 | if (test_and_clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET, |
cc75c577 XH |
2547 | &card->work_flags)) |
2548 | mwifiex_sdio_card_reset_work(card->adapter); | |
8915d738 | 2549 | } |
d31ab357 AK |
2550 | |
2551 | /* This function resets the card */ | |
2552 | static void mwifiex_sdio_card_reset(struct mwifiex_adapter *adapter) | |
2553 | { | |
cc75c577 XH |
2554 | struct sdio_mmc_card *card = adapter->card; |
2555 | ||
21f569af BN |
2556 | if (!test_and_set_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags)) |
2557 | schedule_work(&card->work); | |
d31ab357 AK |
2558 | } |
2559 | ||
54881c6b | 2560 | /* This function dumps FW information */ |
fc697159 | 2561 | static void mwifiex_sdio_device_dump(struct mwifiex_adapter *adapter) |
54881c6b | 2562 | { |
cc75c577 XH |
2563 | struct sdio_mmc_card *card = adapter->card; |
2564 | ||
21f569af BN |
2565 | if (!test_and_set_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, |
2566 | &card->work_flags)) | |
2567 | schedule_work(&card->work); | |
54881c6b AK |
2568 | } |
2569 | ||
809c6ea8 XH |
2570 | /* Function to dump SDIO function registers and SDIO scratch registers in case |
2571 | * of FW crash | |
2572 | */ | |
2573 | static int | |
2574 | mwifiex_sdio_reg_dump(struct mwifiex_adapter *adapter, char *drv_buf) | |
2575 | { | |
2576 | char *p = drv_buf; | |
2577 | struct sdio_mmc_card *cardp = adapter->card; | |
2578 | int ret = 0; | |
2579 | u8 count, func, data, index = 0, size = 0; | |
2580 | u8 reg, reg_start, reg_end; | |
2581 | char buf[256], *ptr; | |
2582 | ||
2583 | if (!p) | |
2584 | return 0; | |
2585 | ||
9cc0dbf0 | 2586 | mwifiex_dbg(adapter, MSG, "SDIO register dump start\n"); |
809c6ea8 XH |
2587 | |
2588 | mwifiex_pm_wakeup_card(adapter); | |
2589 | ||
2590 | sdio_claim_host(cardp->func); | |
2591 | ||
2592 | for (count = 0; count < 5; count++) { | |
2593 | memset(buf, 0, sizeof(buf)); | |
2594 | ptr = buf; | |
2595 | ||
2596 | switch (count) { | |
2597 | case 0: | |
2598 | /* Read the registers of SDIO function0 */ | |
2599 | func = count; | |
2600 | reg_start = 0; | |
2601 | reg_end = 9; | |
2602 | break; | |
2603 | case 1: | |
2604 | /* Read the registers of SDIO function1 */ | |
2605 | func = count; | |
2606 | reg_start = cardp->reg->func1_dump_reg_start; | |
2607 | reg_end = cardp->reg->func1_dump_reg_end; | |
2608 | break; | |
2609 | case 2: | |
2610 | index = 0; | |
2611 | func = 1; | |
2612 | reg_start = cardp->reg->func1_spec_reg_table[index++]; | |
2613 | size = cardp->reg->func1_spec_reg_num; | |
2614 | reg_end = cardp->reg->func1_spec_reg_table[size-1]; | |
2615 | break; | |
2616 | default: | |
2617 | /* Read the scratch registers of SDIO function1 */ | |
2618 | if (count == 4) | |
2619 | mdelay(100); | |
2620 | func = 1; | |
2621 | reg_start = cardp->reg->func1_scratch_reg; | |
2622 | reg_end = reg_start + MWIFIEX_SDIO_SCRATCH_SIZE; | |
2623 | } | |
2624 | ||
2625 | if (count != 2) | |
2626 | ptr += sprintf(ptr, "SDIO Func%d (%#x-%#x): ", | |
2627 | func, reg_start, reg_end); | |
2628 | else | |
2629 | ptr += sprintf(ptr, "SDIO Func%d: ", func); | |
2630 | ||
2631 | for (reg = reg_start; reg <= reg_end;) { | |
2632 | if (func == 0) | |
2633 | data = sdio_f0_readb(cardp->func, reg, &ret); | |
2634 | else | |
2635 | data = sdio_readb(cardp->func, reg, &ret); | |
2636 | ||
2637 | if (count == 2) | |
2638 | ptr += sprintf(ptr, "(%#x) ", reg); | |
2639 | if (!ret) { | |
2640 | ptr += sprintf(ptr, "%02x ", data); | |
2641 | } else { | |
2642 | ptr += sprintf(ptr, "ERR"); | |
2643 | break; | |
2644 | } | |
2645 | ||
2646 | if (count == 2 && reg < reg_end) | |
2647 | reg = cardp->reg->func1_spec_reg_table[index++]; | |
2648 | else | |
2649 | reg++; | |
2650 | } | |
2651 | ||
acebe8c1 | 2652 | mwifiex_dbg(adapter, MSG, "%s\n", buf); |
809c6ea8 XH |
2653 | p += sprintf(p, "%s\n", buf); |
2654 | } | |
2655 | ||
2656 | sdio_release_host(cardp->func); | |
2657 | ||
9cc0dbf0 | 2658 | mwifiex_dbg(adapter, MSG, "SDIO register dump end\n"); |
809c6ea8 XH |
2659 | |
2660 | return p - drv_buf; | |
2661 | } | |
2662 | ||
c742e623 XH |
2663 | /* sdio device/function initialization, code is extracted |
2664 | * from init_if handler and register_dev handler. | |
2665 | */ | |
2666 | static void mwifiex_sdio_up_dev(struct mwifiex_adapter *adapter) | |
2667 | { | |
2668 | struct sdio_mmc_card *card = adapter->card; | |
2669 | u8 sdio_ireg; | |
2670 | ||
2671 | sdio_claim_host(card->func); | |
2672 | sdio_enable_func(card->func); | |
2673 | sdio_set_block_size(card->func, MWIFIEX_SDIO_BLOCK_SIZE); | |
2674 | sdio_release_host(card->func); | |
2675 | ||
2676 | /* tx_buf_size might be changed to 3584 by firmware during | |
2677 | * data transfer, we will reset to default size. | |
2678 | */ | |
2679 | adapter->tx_buf_size = card->tx_buf_size; | |
2680 | ||
2681 | /* Read the host_int_status_reg for ACK the first interrupt got | |
2682 | * from the bootloader. If we don't do this we get a interrupt | |
2683 | * as soon as we register the irq. | |
2684 | */ | |
2685 | mwifiex_read_reg(adapter, card->reg->host_int_status_reg, &sdio_ireg); | |
2686 | ||
2687 | mwifiex_init_sdio_ioport(adapter); | |
2688 | } | |
2689 | ||
5e6e3a92 BZ |
2690 | static struct mwifiex_if_ops sdio_ops = { |
2691 | .init_if = mwifiex_init_sdio, | |
2692 | .cleanup_if = mwifiex_cleanup_sdio, | |
2693 | .check_fw_status = mwifiex_check_fw_status, | |
2fd5c6ed | 2694 | .check_winner_status = mwifiex_check_winner_status, |
5e6e3a92 BZ |
2695 | .prog_fw = mwifiex_prog_fw_w_helper, |
2696 | .register_dev = mwifiex_register_dev, | |
2697 | .unregister_dev = mwifiex_unregister_dev, | |
2698 | .enable_int = mwifiex_sdio_enable_host_int, | |
232fde06 | 2699 | .disable_int = mwifiex_sdio_disable_host_int, |
5e6e3a92 BZ |
2700 | .process_int_status = mwifiex_process_int_status, |
2701 | .host_to_card = mwifiex_sdio_host_to_card, | |
2702 | .wakeup = mwifiex_pm_wakeup_card, | |
2703 | .wakeup_complete = mwifiex_pm_wakeup_card_complete, | |
2704 | ||
2705 | /* SDIO specific */ | |
2706 | .update_mp_end_port = mwifiex_update_mp_end_port, | |
2707 | .cleanup_mpa_buf = mwifiex_cleanup_mpa_buf, | |
d930faee AK |
2708 | .cmdrsp_complete = mwifiex_sdio_cmdrsp_complete, |
2709 | .event_complete = mwifiex_sdio_event_complete, | |
2095b142 | 2710 | .dnld_fw = mwifiex_sdio_dnld_fw, |
d31ab357 | 2711 | .card_reset = mwifiex_sdio_card_reset, |
809c6ea8 | 2712 | .reg_dump = mwifiex_sdio_reg_dump, |
fc697159 | 2713 | .device_dump = mwifiex_sdio_device_dump, |
92263a84 | 2714 | .deaggr_pkt = mwifiex_deaggr_sdio_pkt, |
c742e623 | 2715 | .up_dev = mwifiex_sdio_up_dev, |
5e6e3a92 BZ |
2716 | }; |
2717 | ||
c0e6aa42 | 2718 | module_driver(mwifiex_sdio, sdio_register_driver, sdio_unregister_driver); |
5e6e3a92 BZ |
2719 | |
2720 | MODULE_AUTHOR("Marvell International Ltd."); | |
2721 | MODULE_DESCRIPTION("Marvell WiFi-Ex SDIO Driver version " SDIO_VERSION); | |
2722 | MODULE_VERSION(SDIO_VERSION); | |
2723 | MODULE_LICENSE("GPL v2"); | |
98e6b9df | 2724 | MODULE_FIRMWARE(SD8786_DEFAULT_FW_NAME); |
e3bea1c8 BZ |
2725 | MODULE_FIRMWARE(SD8787_DEFAULT_FW_NAME); |
2726 | MODULE_FIRMWARE(SD8797_DEFAULT_FW_NAME); | |
b60186f8 | 2727 | MODULE_FIRMWARE(SD8897_DEFAULT_FW_NAME); |
030bb75a | 2728 | MODULE_FIRMWARE(SD8887_DEFAULT_FW_NAME); |
6d85ef00 | 2729 | MODULE_FIRMWARE(SD8997_DEFAULT_FW_NAME); |