2 * NXP Wireless LAN device driver: SDIO specific handling
4 * Copyright 2011-2020 NXP
6 * This software file (the "File") is distributed by NXP
7 * 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.
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.
20 #include <linux/firmware.h>
32 #define SDIO_VERSION "1.0"
34 static void mwifiex_sdio_work(struct work_struct *work);
36 static struct mwifiex_if_ops sdio_ops;
38 static const struct mwifiex_sdio_card_reg mwifiex_reg_sd87xx = {
44 .host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK,
45 .host_int_rsr_reg = 0x1,
46 .host_int_mask_reg = 0x02,
47 .host_int_status_reg = 0x03,
50 .sdio_int_mask = 0x3f,
51 .data_port_mask = 0x0000fffe,
52 .io_port_0_reg = 0x78,
53 .io_port_1_reg = 0x79,
54 .io_port_2_reg = 0x7A,
62 .card_misc_cfg_reg = 0x6c,
63 .func1_dump_reg_start = 0x0,
64 .func1_dump_reg_end = 0x9,
65 .func1_scratch_reg = 0x60,
66 .func1_spec_reg_num = 5,
67 .func1_spec_reg_table = {0x28, 0x30, 0x34, 0x38, 0x3c},
70 static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8897 = {
76 .host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK |
77 CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK,
78 .host_int_rsr_reg = 0x1,
79 .host_int_status_reg = 0x03,
80 .host_int_mask_reg = 0x02,
83 .sdio_int_mask = 0xff,
84 .data_port_mask = 0xffffffff,
85 .io_port_0_reg = 0xD8,
86 .io_port_1_reg = 0xD9,
87 .io_port_2_reg = 0xDA,
99 .card_misc_cfg_reg = 0xcc,
100 .card_cfg_2_1_reg = 0xcd,
101 .cmd_rd_len_0 = 0xb4,
102 .cmd_rd_len_1 = 0xb5,
103 .cmd_rd_len_2 = 0xb6,
104 .cmd_rd_len_3 = 0xb7,
109 .fw_dump_host_ready = 0xee,
110 .fw_dump_ctrl = 0xe2,
111 .fw_dump_start = 0xe3,
113 .func1_dump_reg_start = 0x0,
114 .func1_dump_reg_end = 0xb,
115 .func1_scratch_reg = 0xc0,
116 .func1_spec_reg_num = 8,
117 .func1_spec_reg_table = {0x4C, 0x50, 0x54, 0x55, 0x58,
121 static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8977 = {
127 .host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK |
128 CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK,
129 .host_int_rsr_reg = 0x4,
130 .host_int_status_reg = 0x0C,
131 .host_int_mask_reg = 0x08,
132 .status_reg_0 = 0xE8,
133 .status_reg_1 = 0xE9,
134 .sdio_int_mask = 0xff,
135 .data_port_mask = 0xffffffff,
136 .io_port_0_reg = 0xE4,
137 .io_port_1_reg = 0xE5,
138 .io_port_2_reg = 0xE6,
142 .rd_bitmap_1l = 0x12,
143 .rd_bitmap_1u = 0x13,
146 .wr_bitmap_1l = 0x16,
147 .wr_bitmap_1u = 0x17,
150 .card_misc_cfg_reg = 0xd8,
151 .card_cfg_2_1_reg = 0xd9,
152 .cmd_rd_len_0 = 0xc0,
153 .cmd_rd_len_1 = 0xc1,
154 .cmd_rd_len_2 = 0xc2,
155 .cmd_rd_len_3 = 0xc3,
160 .fw_dump_host_ready = 0xcc,
161 .fw_dump_ctrl = 0xf0,
162 .fw_dump_start = 0xf1,
164 .func1_dump_reg_start = 0x10,
165 .func1_dump_reg_end = 0x17,
166 .func1_scratch_reg = 0xe8,
167 .func1_spec_reg_num = 13,
168 .func1_spec_reg_table = {0x08, 0x58, 0x5C, 0x5D,
169 0x60, 0x61, 0x62, 0x64,
170 0x65, 0x66, 0x68, 0x69,
174 static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8997 = {
180 .host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK |
181 CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK,
182 .host_int_rsr_reg = 0x4,
183 .host_int_status_reg = 0x0C,
184 .host_int_mask_reg = 0x08,
185 .host_strap_reg = 0xF4,
186 .host_strap_mask = 0x01,
187 .host_strap_value = 0x00,
188 .status_reg_0 = 0xE8,
189 .status_reg_1 = 0xE9,
190 .sdio_int_mask = 0xff,
191 .data_port_mask = 0xffffffff,
192 .io_port_0_reg = 0xE4,
193 .io_port_1_reg = 0xE5,
194 .io_port_2_reg = 0xE6,
198 .rd_bitmap_1l = 0x12,
199 .rd_bitmap_1u = 0x13,
202 .wr_bitmap_1l = 0x16,
203 .wr_bitmap_1u = 0x17,
206 .card_misc_cfg_reg = 0xd8,
207 .card_cfg_2_1_reg = 0xd9,
208 .cmd_rd_len_0 = 0xc0,
209 .cmd_rd_len_1 = 0xc1,
210 .cmd_rd_len_2 = 0xc2,
211 .cmd_rd_len_3 = 0xc3,
216 .fw_dump_host_ready = 0xcc,
217 .fw_dump_ctrl = 0xf0,
218 .fw_dump_start = 0xf1,
220 .func1_dump_reg_start = 0x10,
221 .func1_dump_reg_end = 0x17,
222 .func1_scratch_reg = 0xe8,
223 .func1_spec_reg_num = 13,
224 .func1_spec_reg_table = {0x08, 0x58, 0x5C, 0x5D,
225 0x60, 0x61, 0x62, 0x64,
226 0x65, 0x66, 0x68, 0x69,
230 static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8887 = {
236 .host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK |
237 CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK,
238 .host_int_rsr_reg = 0x4,
239 .host_int_status_reg = 0x0C,
240 .host_int_mask_reg = 0x08,
241 .status_reg_0 = 0x90,
242 .status_reg_1 = 0x91,
243 .sdio_int_mask = 0xff,
244 .data_port_mask = 0xffffffff,
245 .io_port_0_reg = 0xE4,
246 .io_port_1_reg = 0xE5,
247 .io_port_2_reg = 0xE6,
251 .rd_bitmap_1l = 0x12,
252 .rd_bitmap_1u = 0x13,
255 .wr_bitmap_1l = 0x16,
256 .wr_bitmap_1u = 0x17,
259 .card_misc_cfg_reg = 0xd8,
260 .card_cfg_2_1_reg = 0xd9,
261 .cmd_rd_len_0 = 0xc0,
262 .cmd_rd_len_1 = 0xc1,
263 .cmd_rd_len_2 = 0xc2,
264 .cmd_rd_len_3 = 0xc3,
269 .func1_dump_reg_start = 0x10,
270 .func1_dump_reg_end = 0x17,
271 .func1_scratch_reg = 0x90,
272 .func1_spec_reg_num = 13,
273 .func1_spec_reg_table = {0x08, 0x58, 0x5C, 0x5D, 0x60,
274 0x61, 0x62, 0x64, 0x65, 0x66,
278 static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8987 = {
284 .host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK |
285 CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK,
286 .host_int_rsr_reg = 0x4,
287 .host_int_status_reg = 0x0C,
288 .host_int_mask_reg = 0x08,
289 .host_strap_reg = 0xF4,
290 .host_strap_mask = 0x01,
291 .host_strap_value = 0x00,
292 .status_reg_0 = 0xE8,
293 .status_reg_1 = 0xE9,
294 .sdio_int_mask = 0xff,
295 .data_port_mask = 0xffffffff,
296 .io_port_0_reg = 0xE4,
297 .io_port_1_reg = 0xE5,
298 .io_port_2_reg = 0xE6,
302 .rd_bitmap_1l = 0x12,
303 .rd_bitmap_1u = 0x13,
306 .wr_bitmap_1l = 0x16,
307 .wr_bitmap_1u = 0x17,
310 .card_misc_cfg_reg = 0xd8,
311 .card_cfg_2_1_reg = 0xd9,
312 .cmd_rd_len_0 = 0xc0,
313 .cmd_rd_len_1 = 0xc1,
314 .cmd_rd_len_2 = 0xc2,
315 .cmd_rd_len_3 = 0xc3,
320 .fw_dump_host_ready = 0xcc,
321 .fw_dump_ctrl = 0xf9,
322 .fw_dump_start = 0xf1,
324 .func1_dump_reg_start = 0x10,
325 .func1_dump_reg_end = 0x17,
326 .func1_scratch_reg = 0xE8,
327 .func1_spec_reg_num = 13,
328 .func1_spec_reg_table = {0x08, 0x58, 0x5C, 0x5D, 0x60,
329 0x61, 0x62, 0x64, 0x65, 0x66,
333 static const struct mwifiex_sdio_device mwifiex_sdio_sd8786 = {
334 .firmware = SD8786_DEFAULT_FW_NAME,
335 .reg = &mwifiex_reg_sd87xx,
337 .mp_agg_pkt_limit = 8,
338 .tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K,
339 .mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K,
340 .mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K,
341 .supports_sdio_new_mode = false,
342 .has_control_mask = true,
343 .can_dump_fw = false,
344 .can_auto_tdls = false,
345 .can_ext_scan = false,
348 static const struct mwifiex_sdio_device mwifiex_sdio_sd8787 = {
349 .firmware = SD8787_DEFAULT_FW_NAME,
350 .reg = &mwifiex_reg_sd87xx,
352 .mp_agg_pkt_limit = 8,
353 .tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K,
354 .mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K,
355 .mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K,
356 .supports_sdio_new_mode = false,
357 .has_control_mask = true,
358 .can_dump_fw = false,
359 .can_auto_tdls = false,
360 .can_ext_scan = true,
363 static const struct mwifiex_sdio_device mwifiex_sdio_sd8797 = {
364 .firmware = SD8797_DEFAULT_FW_NAME,
365 .reg = &mwifiex_reg_sd87xx,
367 .mp_agg_pkt_limit = 8,
368 .tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K,
369 .mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K,
370 .mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K,
371 .supports_sdio_new_mode = false,
372 .has_control_mask = true,
373 .can_dump_fw = false,
374 .can_auto_tdls = false,
375 .can_ext_scan = true,
378 static const struct mwifiex_sdio_device mwifiex_sdio_sd8897 = {
379 .firmware = SD8897_DEFAULT_FW_NAME,
380 .reg = &mwifiex_reg_sd8897,
382 .mp_agg_pkt_limit = 16,
383 .tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_4K,
384 .mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX,
385 .mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX,
386 .supports_sdio_new_mode = true,
387 .has_control_mask = false,
389 .can_auto_tdls = false,
390 .can_ext_scan = true,
393 static const struct mwifiex_sdio_device mwifiex_sdio_sd8977 = {
394 .firmware = SD8977_DEFAULT_FW_NAME,
395 .reg = &mwifiex_reg_sd8977,
397 .mp_agg_pkt_limit = 16,
398 .tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_4K,
399 .mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX,
400 .mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX,
401 .supports_sdio_new_mode = true,
402 .has_control_mask = false,
405 .can_auto_tdls = false,
406 .can_ext_scan = true,
409 static const struct mwifiex_sdio_device mwifiex_sdio_sd8997 = {
410 .firmware = SD8997_DEFAULT_FW_NAME,
411 .firmware_sdiouart = SD8997_SDIOUART_FW_NAME,
412 .reg = &mwifiex_reg_sd8997,
414 .mp_agg_pkt_limit = 16,
415 .tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_4K,
416 .mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX,
417 .mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX,
418 .supports_sdio_new_mode = true,
419 .has_control_mask = false,
422 .can_auto_tdls = false,
423 .can_ext_scan = true,
426 static const struct mwifiex_sdio_device mwifiex_sdio_sd8887 = {
427 .firmware = SD8887_DEFAULT_FW_NAME,
428 .reg = &mwifiex_reg_sd8887,
430 .mp_agg_pkt_limit = 16,
431 .tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K,
432 .mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_32K,
433 .mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_32K,
434 .supports_sdio_new_mode = true,
435 .has_control_mask = false,
436 .can_dump_fw = false,
437 .can_auto_tdls = true,
438 .can_ext_scan = true,
441 static const struct mwifiex_sdio_device mwifiex_sdio_sd8987 = {
442 .firmware = SD8987_DEFAULT_FW_NAME,
443 .reg = &mwifiex_reg_sd8987,
445 .mp_agg_pkt_limit = 16,
446 .tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K,
447 .mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX,
448 .mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX,
449 .supports_sdio_new_mode = true,
450 .has_control_mask = false,
453 .can_auto_tdls = true,
454 .can_ext_scan = true,
457 static const struct mwifiex_sdio_device mwifiex_sdio_sd8801 = {
458 .firmware = SD8801_DEFAULT_FW_NAME,
459 .reg = &mwifiex_reg_sd87xx,
461 .mp_agg_pkt_limit = 8,
462 .supports_sdio_new_mode = false,
463 .has_control_mask = true,
464 .tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K,
465 .mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K,
466 .mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K,
467 .can_dump_fw = false,
468 .can_auto_tdls = false,
469 .can_ext_scan = true,
472 static struct memory_type_mapping generic_mem_type_map[] = {
473 {"DUMP", NULL, 0, 0xDD},
476 static struct memory_type_mapping mem_type_mapping_tbl[] = {
477 {"ITCM", NULL, 0, 0xF0},
478 {"DTCM", NULL, 0, 0xF1},
479 {"SQRAM", NULL, 0, 0xF2},
480 {"APU", NULL, 0, 0xF3},
481 {"CIU", NULL, 0, 0xF4},
482 {"ICU", NULL, 0, 0xF5},
483 {"MAC", NULL, 0, 0xF6},
484 {"EXT7", NULL, 0, 0xF7},
485 {"EXT8", NULL, 0, 0xF8},
486 {"EXT9", NULL, 0, 0xF9},
487 {"EXT10", NULL, 0, 0xFA},
488 {"EXT11", NULL, 0, 0xFB},
489 {"EXT12", NULL, 0, 0xFC},
490 {"EXT13", NULL, 0, 0xFD},
491 {"EXTLAST", NULL, 0, 0xFE},
494 static const struct of_device_id mwifiex_sdio_of_match_table[] = {
495 { .compatible = "marvell,sd8897" },
496 { .compatible = "marvell,sd8997" },
500 /* This function parse device tree node using mmc subnode devicetree API.
501 * The device node is saved in card->plt_of_node.
502 * if the device tree node exist and include interrupts attributes, this
503 * function will also request platform specific wakeup interrupt.
505 static int mwifiex_sdio_probe_of(struct device *dev)
507 if (!of_match_node(mwifiex_sdio_of_match_table, dev->of_node)) {
508 dev_err(dev, "required compatible string missing\n");
518 * This function probes an mwifiex device and registers it. It allocates
519 * the card structure, enables SDIO function number and initiates the
520 * device registration and initialization procedure by adding a logical
524 mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
527 struct sdio_mmc_card *card = NULL;
529 pr_debug("info: vendor=0x%4.04X device=0x%4.04X class=%d function=%d\n",
530 func->vendor, func->device, func->class, func->num);
532 card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL);
536 init_completion(&card->fw_done);
540 func->card->quirks |= MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
542 if (id->driver_data) {
543 struct mwifiex_sdio_device *data = (void *)id->driver_data;
545 card->firmware = data->firmware;
546 card->firmware_sdiouart = data->firmware_sdiouart;
547 card->reg = data->reg;
548 card->max_ports = data->max_ports;
549 card->mp_agg_pkt_limit = data->mp_agg_pkt_limit;
550 card->supports_sdio_new_mode = data->supports_sdio_new_mode;
551 card->has_control_mask = data->has_control_mask;
552 card->tx_buf_size = data->tx_buf_size;
553 card->mp_tx_agg_buf_size = data->mp_tx_agg_buf_size;
554 card->mp_rx_agg_buf_size = data->mp_rx_agg_buf_size;
555 card->can_dump_fw = data->can_dump_fw;
556 card->fw_dump_enh = data->fw_dump_enh;
557 card->can_auto_tdls = data->can_auto_tdls;
558 card->can_ext_scan = data->can_ext_scan;
559 INIT_WORK(&card->work, mwifiex_sdio_work);
562 sdio_claim_host(func);
563 ret = sdio_enable_func(func);
564 sdio_release_host(func);
567 dev_err(&func->dev, "failed to enable function\n");
571 /* device tree node parsing and platform specific configuration*/
572 if (func->dev.of_node) {
573 ret = mwifiex_sdio_probe_of(&func->dev);
578 ret = mwifiex_add_card(card, &card->fw_done, &sdio_ops,
579 MWIFIEX_SDIO, &func->dev);
581 dev_err(&func->dev, "add card failed\n");
588 sdio_claim_host(func);
589 sdio_disable_func(func);
590 sdio_release_host(func);
598 * Kernel needs to suspend all functions separately. Therefore all
599 * registered functions must have drivers with suspend and resume
600 * methods. Failing that the kernel simply removes the whole card.
602 * If already not resumed, this function turns on the traffic and
603 * sends a host sleep cancel request to the firmware.
605 static int mwifiex_sdio_resume(struct device *dev)
607 struct sdio_func *func = dev_to_sdio_func(dev);
608 struct sdio_mmc_card *card;
609 struct mwifiex_adapter *adapter;
611 card = sdio_get_drvdata(func);
612 if (!card || !card->adapter) {
613 dev_err(dev, "resume: invalid card or adapter\n");
617 adapter = card->adapter;
619 if (!test_bit(MWIFIEX_IS_SUSPENDED, &adapter->work_flags)) {
620 mwifiex_dbg(adapter, WARN,
621 "device already resumed\n");
625 clear_bit(MWIFIEX_IS_SUSPENDED, &adapter->work_flags);
627 /* Disable Host Sleep */
628 mwifiex_cancel_hs(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA),
631 mwifiex_disable_wake(adapter);
636 /* Write data into SDIO card register. Caller claims SDIO device. */
638 mwifiex_write_reg_locked(struct sdio_func *func, u32 reg, u8 data)
642 sdio_writeb(func, data, reg, &ret);
646 /* This function writes data into SDIO card register.
649 mwifiex_write_reg(struct mwifiex_adapter *adapter, u32 reg, u8 data)
651 struct sdio_mmc_card *card = adapter->card;
654 sdio_claim_host(card->func);
655 ret = mwifiex_write_reg_locked(card->func, reg, data);
656 sdio_release_host(card->func);
661 /* This function reads data from SDIO card register.
664 mwifiex_read_reg(struct mwifiex_adapter *adapter, u32 reg, u8 *data)
666 struct sdio_mmc_card *card = adapter->card;
670 sdio_claim_host(card->func);
671 val = sdio_readb(card->func, reg, &ret);
672 sdio_release_host(card->func);
679 /* This function writes multiple data into SDIO card memory.
681 * This does not work in suspended mode.
684 mwifiex_write_data_sync(struct mwifiex_adapter *adapter,
685 u8 *buffer, u32 pkt_len, u32 port)
687 struct sdio_mmc_card *card = adapter->card;
690 (port & MWIFIEX_SDIO_BYTE_MODE_MASK) ? BYTE_MODE : BLOCK_MODE;
691 u32 blk_size = (blk_mode == BLOCK_MODE) ? MWIFIEX_SDIO_BLOCK_SIZE : 1;
694 BLOCK_MODE) ? (pkt_len /
695 MWIFIEX_SDIO_BLOCK_SIZE) : pkt_len;
696 u32 ioport = (port & MWIFIEX_SDIO_IO_PORT_MASK);
698 if (test_bit(MWIFIEX_IS_SUSPENDED, &adapter->work_flags)) {
699 mwifiex_dbg(adapter, ERROR,
700 "%s: not allowed while suspended\n", __func__);
704 sdio_claim_host(card->func);
706 ret = sdio_writesb(card->func, ioport, buffer, blk_cnt * blk_size);
708 sdio_release_host(card->func);
713 /* This function reads multiple data from SDIO card memory.
715 static int mwifiex_read_data_sync(struct mwifiex_adapter *adapter, u8 *buffer,
716 u32 len, u32 port, u8 claim)
718 struct sdio_mmc_card *card = adapter->card;
720 u8 blk_mode = (port & MWIFIEX_SDIO_BYTE_MODE_MASK) ? BYTE_MODE
722 u32 blk_size = (blk_mode == BLOCK_MODE) ? MWIFIEX_SDIO_BLOCK_SIZE : 1;
723 u32 blk_cnt = (blk_mode == BLOCK_MODE) ? (len / MWIFIEX_SDIO_BLOCK_SIZE)
725 u32 ioport = (port & MWIFIEX_SDIO_IO_PORT_MASK);
728 sdio_claim_host(card->func);
730 ret = sdio_readsb(card->func, buffer, ioport, blk_cnt * blk_size);
733 sdio_release_host(card->func);
738 /* This function reads the firmware status.
741 mwifiex_sdio_read_fw_status(struct mwifiex_adapter *adapter, u16 *dat)
743 struct sdio_mmc_card *card = adapter->card;
744 const struct mwifiex_sdio_card_reg *reg = card->reg;
747 if (mwifiex_read_reg(adapter, reg->status_reg_0, &fws0))
750 if (mwifiex_read_reg(adapter, reg->status_reg_1, &fws1))
753 *dat = (u16)((fws1 << 8) | fws0);
757 /* This function checks the firmware status in card.
759 static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter,
766 for (tries = 0; tries < poll_num; tries++) {
767 ret = mwifiex_sdio_read_fw_status(adapter, &firmware_stat);
770 if (firmware_stat == FIRMWARE_READY_SDIO) {
782 /* This function checks if WLAN is the winner.
784 static int mwifiex_check_winner_status(struct mwifiex_adapter *adapter)
788 struct sdio_mmc_card *card = adapter->card;
790 if (mwifiex_read_reg(adapter, card->reg->status_reg_0, &winner))
804 * This function removes the interface and frees up the card structure.
807 mwifiex_sdio_remove(struct sdio_func *func)
809 struct sdio_mmc_card *card;
810 struct mwifiex_adapter *adapter;
811 struct mwifiex_private *priv;
815 card = sdio_get_drvdata(func);
819 wait_for_completion(&card->fw_done);
821 adapter = card->adapter;
822 if (!adapter || !adapter->priv_num)
825 mwifiex_dbg(adapter, INFO, "info: SDIO func num=%d\n", func->num);
827 ret = mwifiex_sdio_read_fw_status(adapter, &firmware_stat);
828 if (!ret && firmware_stat == FIRMWARE_READY_SDIO &&
829 !adapter->mfg_mode) {
830 mwifiex_deauthenticate_all(adapter);
832 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
833 mwifiex_disable_auto_ds(priv);
834 mwifiex_init_shutdown_fw(priv, MWIFIEX_FUNC_SHUTDOWN);
837 mwifiex_remove_card(adapter);
843 * Kernel needs to suspend all functions separately. Therefore all
844 * registered functions must have drivers with suspend and resume
845 * methods. Failing that the kernel simply removes the whole card.
847 * If already not suspended, this function allocates and sends a host
848 * sleep activate request to the firmware and turns off the traffic.
850 static int mwifiex_sdio_suspend(struct device *dev)
852 struct sdio_func *func = dev_to_sdio_func(dev);
853 struct sdio_mmc_card *card;
854 struct mwifiex_adapter *adapter;
855 mmc_pm_flag_t pm_flag = 0;
858 pm_flag = sdio_get_host_pm_caps(func);
859 pr_debug("cmd: %s: suspend: PM flag = 0x%x\n",
860 sdio_func_id(func), pm_flag);
861 if (!(pm_flag & MMC_PM_KEEP_POWER)) {
862 dev_err(dev, "%s: cannot remain alive while host is"
863 " suspended\n", sdio_func_id(func));
867 card = sdio_get_drvdata(func);
869 dev_err(dev, "suspend: invalid card\n");
873 /* Might still be loading firmware */
874 wait_for_completion(&card->fw_done);
876 adapter = card->adapter;
878 dev_err(dev, "adapter is not valid\n");
885 mwifiex_enable_wake(adapter);
887 /* Enable the Host Sleep */
888 if (!mwifiex_enable_hs(adapter)) {
889 mwifiex_dbg(adapter, ERROR,
890 "cmd: failed to suspend\n");
891 clear_bit(MWIFIEX_IS_HS_ENABLING, &adapter->work_flags);
892 mwifiex_disable_wake(adapter);
896 mwifiex_dbg(adapter, INFO,
897 "cmd: suspend with MMC_PM_KEEP_POWER\n");
898 ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
900 /* Indicate device suspended */
901 set_bit(MWIFIEX_IS_SUSPENDED, &adapter->work_flags);
902 clear_bit(MWIFIEX_IS_HS_ENABLING, &adapter->work_flags);
907 static void mwifiex_sdio_coredump(struct device *dev)
909 struct sdio_func *func = dev_to_sdio_func(dev);
910 struct sdio_mmc_card *card;
912 card = sdio_get_drvdata(func);
913 if (!test_and_set_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP,
915 schedule_work(&card->work);
919 static const struct sdio_device_id mwifiex_ids[] = {
920 {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8786_WLAN),
921 .driver_data = (unsigned long) &mwifiex_sdio_sd8786},
922 {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787_WLAN),
923 .driver_data = (unsigned long) &mwifiex_sdio_sd8787},
924 {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_WLAN),
925 .driver_data = (unsigned long) &mwifiex_sdio_sd8797},
926 {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8897_WLAN),
927 .driver_data = (unsigned long) &mwifiex_sdio_sd8897},
928 {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887_WLAN),
929 .driver_data = (unsigned long)&mwifiex_sdio_sd8887},
930 {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8801_WLAN),
931 .driver_data = (unsigned long)&mwifiex_sdio_sd8801},
932 {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8977_WLAN),
933 .driver_data = (unsigned long)&mwifiex_sdio_sd8977},
934 {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8987_WLAN),
935 .driver_data = (unsigned long)&mwifiex_sdio_sd8987},
936 {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8997_WLAN),
937 .driver_data = (unsigned long)&mwifiex_sdio_sd8997},
941 MODULE_DEVICE_TABLE(sdio, mwifiex_ids);
943 static const struct dev_pm_ops mwifiex_sdio_pm_ops = {
944 .suspend = mwifiex_sdio_suspend,
945 .resume = mwifiex_sdio_resume,
948 static struct sdio_driver mwifiex_sdio = {
949 .name = "mwifiex_sdio",
950 .id_table = mwifiex_ids,
951 .probe = mwifiex_sdio_probe,
952 .remove = mwifiex_sdio_remove,
954 .owner = THIS_MODULE,
955 .coredump = mwifiex_sdio_coredump,
956 .pm = &mwifiex_sdio_pm_ops,
961 * This function wakes up the card.
963 * A host power up command is written to the card configuration
964 * register to wake up the card.
966 static int mwifiex_pm_wakeup_card(struct mwifiex_adapter *adapter)
968 mwifiex_dbg(adapter, EVENT,
969 "event: wakeup device...\n");
971 return mwifiex_write_reg(adapter, CONFIGURATION_REG, HOST_POWER_UP);
975 * This function is called after the card has woken up.
977 * The card configuration register is reset.
979 static int mwifiex_pm_wakeup_card_complete(struct mwifiex_adapter *adapter)
981 mwifiex_dbg(adapter, EVENT,
982 "cmd: wakeup device completed\n");
984 return mwifiex_write_reg(adapter, CONFIGURATION_REG, 0);
987 static int mwifiex_sdio_dnld_fw(struct mwifiex_adapter *adapter,
988 struct mwifiex_fw_image *fw)
990 struct sdio_mmc_card *card = adapter->card;
993 sdio_claim_host(card->func);
994 ret = mwifiex_dnld_fw(adapter, fw);
995 sdio_release_host(card->func);
1001 * This function is used to initialize IO ports for the
1002 * chipsets supporting SDIO new mode eg SD8897.
1004 static int mwifiex_init_sdio_new_mode(struct mwifiex_adapter *adapter)
1007 struct sdio_mmc_card *card = adapter->card;
1009 adapter->ioport = MEM_PORT;
1011 /* enable sdio new mode */
1012 if (mwifiex_read_reg(adapter, card->reg->card_cfg_2_1_reg, ®))
1014 if (mwifiex_write_reg(adapter, card->reg->card_cfg_2_1_reg,
1015 reg | CMD53_NEW_MODE))
1018 /* Configure cmd port and enable reading rx length from the register */
1019 if (mwifiex_read_reg(adapter, card->reg->cmd_cfg_0, ®))
1021 if (mwifiex_write_reg(adapter, card->reg->cmd_cfg_0,
1022 reg | CMD_PORT_RD_LEN_EN))
1025 /* Enable Dnld/Upld ready auto reset for cmd port after cmd53 is
1028 if (mwifiex_read_reg(adapter, card->reg->cmd_cfg_1, ®))
1030 if (mwifiex_write_reg(adapter, card->reg->cmd_cfg_1,
1031 reg | CMD_PORT_AUTO_EN))
1037 /* This function initializes the IO ports.
1039 * The following operations are performed -
1040 * - Read the IO ports (0, 1 and 2)
1041 * - Set host interrupt Reset-To-Read to clear
1042 * - Set auto re-enable interrupt
1044 static int mwifiex_init_sdio_ioport(struct mwifiex_adapter *adapter)
1047 struct sdio_mmc_card *card = adapter->card;
1049 adapter->ioport = 0;
1051 if (card->supports_sdio_new_mode) {
1052 if (mwifiex_init_sdio_new_mode(adapter))
1057 /* Read the IO port */
1058 if (!mwifiex_read_reg(adapter, card->reg->io_port_0_reg, ®))
1059 adapter->ioport |= (reg & 0xff);
1063 if (!mwifiex_read_reg(adapter, card->reg->io_port_1_reg, ®))
1064 adapter->ioport |= ((reg & 0xff) << 8);
1068 if (!mwifiex_read_reg(adapter, card->reg->io_port_2_reg, ®))
1069 adapter->ioport |= ((reg & 0xff) << 16);
1073 mwifiex_dbg(adapter, INFO,
1074 "info: SDIO FUNC1 IO port: %#x\n", adapter->ioport);
1076 /* Set Host interrupt reset to read to clear */
1077 if (!mwifiex_read_reg(adapter, card->reg->host_int_rsr_reg, ®))
1078 mwifiex_write_reg(adapter, card->reg->host_int_rsr_reg,
1079 reg | card->reg->sdio_int_mask);
1083 /* Dnld/Upld ready set to auto reset */
1084 if (!mwifiex_read_reg(adapter, card->reg->card_misc_cfg_reg, ®))
1085 mwifiex_write_reg(adapter, card->reg->card_misc_cfg_reg,
1086 reg | AUTO_RE_ENABLE_INT);
1094 * This function sends data to the card.
1096 static int mwifiex_write_data_to_card(struct mwifiex_adapter *adapter,
1097 u8 *payload, u32 pkt_len, u32 port)
1103 ret = mwifiex_write_data_sync(adapter, payload, pkt_len, port);
1106 mwifiex_dbg(adapter, ERROR,
1107 "host_to_card, write iomem\t"
1108 "(%d) failed: %d\n", i, ret);
1109 if (mwifiex_write_reg(adapter, CONFIGURATION_REG, 0x04))
1110 mwifiex_dbg(adapter, ERROR,
1111 "write CFG reg failed\n");
1114 if (i > MAX_WRITE_IOMEM_RETRY)
1117 } while (ret == -1);
1123 * This function gets the read port.
1125 * If control port bit is set in MP read bitmap, the control port
1126 * is returned, otherwise the current read port is returned and
1127 * the value is increased (provided it does not reach the maximum
1128 * limit, in which case it is reset to 1)
1130 static int mwifiex_get_rd_port(struct mwifiex_adapter *adapter, u8 *port)
1132 struct sdio_mmc_card *card = adapter->card;
1133 const struct mwifiex_sdio_card_reg *reg = card->reg;
1134 u32 rd_bitmap = card->mp_rd_bitmap;
1136 mwifiex_dbg(adapter, DATA,
1137 "data: mp_rd_bitmap=0x%08x\n", rd_bitmap);
1139 if (card->supports_sdio_new_mode) {
1140 if (!(rd_bitmap & reg->data_port_mask))
1143 if (!(rd_bitmap & (CTRL_PORT_MASK | reg->data_port_mask)))
1147 if ((card->has_control_mask) &&
1148 (card->mp_rd_bitmap & CTRL_PORT_MASK)) {
1149 card->mp_rd_bitmap &= (u32) (~CTRL_PORT_MASK);
1151 mwifiex_dbg(adapter, DATA,
1152 "data: port=%d mp_rd_bitmap=0x%08x\n",
1153 *port, card->mp_rd_bitmap);
1157 if (!(card->mp_rd_bitmap & (1 << card->curr_rd_port)))
1160 /* We are now handling the SDIO data ports */
1161 card->mp_rd_bitmap &= (u32)(~(1 << card->curr_rd_port));
1162 *port = card->curr_rd_port;
1164 if (++card->curr_rd_port == card->max_ports)
1165 card->curr_rd_port = reg->start_rd_port;
1167 mwifiex_dbg(adapter, DATA,
1168 "data: port=%d mp_rd_bitmap=0x%08x -> 0x%08x\n",
1169 *port, rd_bitmap, card->mp_rd_bitmap);
1175 * This function gets the write port for data.
1177 * The current write port is returned if available and the value is
1178 * increased (provided it does not reach the maximum limit, in which
1179 * case it is reset to 1)
1181 static int mwifiex_get_wr_port_data(struct mwifiex_adapter *adapter, u32 *port)
1183 struct sdio_mmc_card *card = adapter->card;
1184 const struct mwifiex_sdio_card_reg *reg = card->reg;
1185 u32 wr_bitmap = card->mp_wr_bitmap;
1187 mwifiex_dbg(adapter, DATA,
1188 "data: mp_wr_bitmap=0x%08x\n", wr_bitmap);
1190 if (!(wr_bitmap & card->mp_data_port_mask)) {
1191 adapter->data_sent = true;
1195 if (card->mp_wr_bitmap & (1 << card->curr_wr_port)) {
1196 card->mp_wr_bitmap &= (u32) (~(1 << card->curr_wr_port));
1197 *port = card->curr_wr_port;
1198 if (++card->curr_wr_port == card->mp_end_port)
1199 card->curr_wr_port = reg->start_wr_port;
1201 adapter->data_sent = true;
1205 if ((card->has_control_mask) && (*port == CTRL_PORT)) {
1206 mwifiex_dbg(adapter, ERROR,
1207 "invalid data port=%d cur port=%d mp_wr_bitmap=0x%08x -> 0x%08x\n",
1208 *port, card->curr_wr_port, wr_bitmap,
1209 card->mp_wr_bitmap);
1213 mwifiex_dbg(adapter, DATA,
1214 "data: port=%d mp_wr_bitmap=0x%08x -> 0x%08x\n",
1215 *port, wr_bitmap, card->mp_wr_bitmap);
1221 * This function polls the card status.
1224 mwifiex_sdio_poll_card_status(struct mwifiex_adapter *adapter, u8 bits)
1226 struct sdio_mmc_card *card = adapter->card;
1230 for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
1231 if (mwifiex_read_reg(adapter, card->reg->poll_reg, &cs))
1233 else if ((cs & bits) == bits)
1236 usleep_range(10, 20);
1239 mwifiex_dbg(adapter, ERROR,
1240 "poll card status failed, tries = %d\n", tries);
1246 * This function disables the host interrupt.
1248 * The host interrupt mask is read, the disable bit is reset and
1249 * written back to the card host interrupt mask register.
1251 static void mwifiex_sdio_disable_host_int(struct mwifiex_adapter *adapter)
1253 struct sdio_mmc_card *card = adapter->card;
1254 struct sdio_func *func = card->func;
1256 sdio_claim_host(func);
1257 mwifiex_write_reg_locked(func, card->reg->host_int_mask_reg, 0);
1258 sdio_release_irq(func);
1259 sdio_release_host(func);
1263 * This function reads the interrupt status from card.
1265 static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter)
1267 struct sdio_mmc_card *card = adapter->card;
1269 unsigned long flags;
1271 if (mwifiex_read_data_sync(adapter, card->mp_regs,
1272 card->reg->max_mp_regs,
1273 REG_PORT | MWIFIEX_SDIO_BYTE_MODE_MASK, 0)) {
1274 mwifiex_dbg(adapter, ERROR, "read mp_regs failed\n");
1278 sdio_ireg = card->mp_regs[card->reg->host_int_status_reg];
1281 * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS
1282 * For SDIO new mode CMD port interrupts
1283 * DN_LD_CMD_PORT_HOST_INT_STATUS and/or
1284 * UP_LD_CMD_PORT_HOST_INT_STATUS
1285 * Clear the interrupt status register
1287 mwifiex_dbg(adapter, INTR,
1288 "int: sdio_ireg = %#x\n", sdio_ireg);
1289 spin_lock_irqsave(&adapter->int_lock, flags);
1290 adapter->int_status |= sdio_ireg;
1291 spin_unlock_irqrestore(&adapter->int_lock, flags);
1296 * SDIO interrupt handler.
1298 * This function reads the interrupt status from firmware and handles
1299 * the interrupt in current thread (ksdioirqd) right away.
1302 mwifiex_sdio_interrupt(struct sdio_func *func)
1304 struct mwifiex_adapter *adapter;
1305 struct sdio_mmc_card *card;
1307 card = sdio_get_drvdata(func);
1308 if (!card || !card->adapter) {
1309 pr_err("int: func=%p card=%p adapter=%p\n",
1310 func, card, card ? card->adapter : NULL);
1313 adapter = card->adapter;
1315 if (!adapter->pps_uapsd_mode && adapter->ps_state == PS_STATE_SLEEP)
1316 adapter->ps_state = PS_STATE_AWAKE;
1318 mwifiex_interrupt_status(adapter);
1319 mwifiex_main_process(adapter);
1323 * This function enables the host interrupt.
1325 * The host interrupt enable mask is written to the card
1326 * host interrupt mask register.
1328 static int mwifiex_sdio_enable_host_int(struct mwifiex_adapter *adapter)
1330 struct sdio_mmc_card *card = adapter->card;
1331 struct sdio_func *func = card->func;
1334 sdio_claim_host(func);
1336 /* Request the SDIO IRQ */
1337 ret = sdio_claim_irq(func, mwifiex_sdio_interrupt);
1339 mwifiex_dbg(adapter, ERROR,
1340 "claim irq failed: ret=%d\n", ret);
1344 /* Simply write the mask to the register */
1345 ret = mwifiex_write_reg_locked(func, card->reg->host_int_mask_reg,
1346 card->reg->host_int_enable);
1348 mwifiex_dbg(adapter, ERROR,
1349 "enable host interrupt failed\n");
1350 sdio_release_irq(func);
1354 sdio_release_host(func);
1359 * This function sends a data buffer to the card.
1361 static int mwifiex_sdio_card_to_host(struct mwifiex_adapter *adapter,
1362 u32 *type, u8 *buffer,
1363 u32 npayload, u32 ioport)
1369 mwifiex_dbg(adapter, ERROR,
1370 "%s: buffer is NULL\n", __func__);
1374 ret = mwifiex_read_data_sync(adapter, buffer, npayload, ioport, 1);
1377 mwifiex_dbg(adapter, ERROR,
1378 "%s: read iomem failed: %d\n", __func__,
1383 nb = get_unaligned_le16((buffer));
1384 if (nb > npayload) {
1385 mwifiex_dbg(adapter, ERROR,
1386 "%s: invalid packet, nb=%d npayload=%d\n",
1387 __func__, nb, npayload);
1391 *type = get_unaligned_le16((buffer + 2));
1397 * This function downloads the firmware to the card.
1399 * Firmware is downloaded to the card in blocks. Every block download
1400 * is tested for CRC errors, and retried a number of times before
1401 * returning failure.
1403 static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
1404 struct mwifiex_fw_image *fw)
1406 struct sdio_mmc_card *card = adapter->card;
1407 const struct mwifiex_sdio_card_reg *reg = card->reg;
1409 u8 *firmware = fw->fw_buf;
1410 u32 firmware_len = fw->fw_len;
1415 u32 txlen, tx_blocks = 0, tries;
1418 if (!firmware_len) {
1419 mwifiex_dbg(adapter, ERROR,
1420 "firmware image not found! Terminating download\n");
1424 mwifiex_dbg(adapter, INFO,
1425 "info: downloading FW image (%d bytes)\n",
1428 /* Assume that the allocated buffer is 8-byte aligned */
1429 fwbuf = kzalloc(MWIFIEX_UPLD_SIZE, GFP_KERNEL);
1433 sdio_claim_host(card->func);
1435 /* Perform firmware data transfer */
1437 /* The host polls for the DN_LD_CARD_RDY and CARD_IO_READY
1439 ret = mwifiex_sdio_poll_card_status(adapter, CARD_IO_READY |
1442 mwifiex_dbg(adapter, ERROR,
1443 "FW download with helper:\t"
1444 "poll status timeout @ %d\n", offset);
1449 if (offset >= firmware_len)
1452 for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
1453 ret = mwifiex_read_reg(adapter, reg->base_0_reg,
1456 mwifiex_dbg(adapter, ERROR,
1457 "dev BASE0 register read failed:\t"
1458 "base0=%#04X(%d). Terminating dnld\n",
1462 ret = mwifiex_read_reg(adapter, reg->base_1_reg,
1465 mwifiex_dbg(adapter, ERROR,
1466 "dev BASE1 register read failed:\t"
1467 "base1=%#04X(%d). Terminating dnld\n",
1471 len = (u16) (((base1 & 0xff) << 8) | (base0 & 0xff));
1476 usleep_range(10, 20);
1481 } else if (len > MWIFIEX_UPLD_SIZE) {
1482 mwifiex_dbg(adapter, ERROR,
1483 "FW dnld failed @ %d, invalid length %d\n",
1493 if (i > MAX_WRITE_IOMEM_RETRY) {
1494 mwifiex_dbg(adapter, ERROR,
1495 "FW dnld failed @ %d, over max retry\n",
1500 mwifiex_dbg(adapter, ERROR,
1501 "CRC indicated by the helper:\t"
1502 "len = 0x%04X, txlen = %d\n", len, txlen);
1504 /* Setting this to 0 to resend from same offset */
1509 /* Set blocksize to transfer - checking for last
1511 if (firmware_len - offset < txlen)
1512 txlen = firmware_len - offset;
1514 tx_blocks = (txlen + MWIFIEX_SDIO_BLOCK_SIZE - 1)
1515 / MWIFIEX_SDIO_BLOCK_SIZE;
1517 /* Copy payload to buffer */
1518 memmove(fwbuf, &firmware[offset], txlen);
1521 ret = mwifiex_write_data_sync(adapter, fwbuf, tx_blocks *
1522 MWIFIEX_SDIO_BLOCK_SIZE,
1525 mwifiex_dbg(adapter, ERROR,
1526 "FW download, write iomem (%d) failed @ %d\n",
1528 if (mwifiex_write_reg(adapter, CONFIGURATION_REG, 0x04))
1529 mwifiex_dbg(adapter, ERROR,
1530 "write CFG reg failed\n");
1539 mwifiex_dbg(adapter, MSG,
1540 "info: FW download over, size %d bytes\n", offset);
1544 sdio_release_host(card->func);
1550 * This function decode sdio aggreation pkt.
1552 * Based on the the data block size and pkt_len,
1553 * skb data will be decoded to few packets.
1555 static void mwifiex_deaggr_sdio_pkt(struct mwifiex_adapter *adapter,
1556 struct sk_buff *skb)
1558 u32 total_pkt_len, pkt_len;
1559 struct sk_buff *skb_deaggr;
1565 total_pkt_len = skb->len;
1567 while (total_pkt_len >= (SDIO_HEADER_OFFSET + adapter->intf_hdr_len)) {
1568 if (total_pkt_len < adapter->sdio_rx_block_size)
1570 blk_num = *(data + BLOCK_NUMBER_OFFSET);
1571 blk_size = adapter->sdio_rx_block_size * blk_num;
1572 if (blk_size > total_pkt_len) {
1573 mwifiex_dbg(adapter, ERROR,
1574 "%s: error in blk_size,\t"
1575 "blk_num=%d, blk_size=%d, total_pkt_len=%d\n",
1576 __func__, blk_num, blk_size, total_pkt_len);
1579 pkt_len = get_unaligned_le16((data +
1580 SDIO_HEADER_OFFSET));
1581 if ((pkt_len + SDIO_HEADER_OFFSET) > blk_size) {
1582 mwifiex_dbg(adapter, ERROR,
1583 "%s: error in pkt_len,\t"
1584 "pkt_len=%d, blk_size=%d\n",
1585 __func__, pkt_len, blk_size);
1589 skb_deaggr = mwifiex_alloc_dma_align_buf(pkt_len, GFP_KERNEL);
1592 skb_put(skb_deaggr, pkt_len);
1593 memcpy(skb_deaggr->data, data + SDIO_HEADER_OFFSET, pkt_len);
1594 skb_pull(skb_deaggr, adapter->intf_hdr_len);
1596 mwifiex_handle_rx_packet(adapter, skb_deaggr);
1598 total_pkt_len -= blk_size;
1603 * This function decodes a received packet.
1605 * Based on the type, the packet is treated as either a data, or
1606 * a command response, or an event, and the correct handler
1607 * function is invoked.
1609 static int mwifiex_decode_rx_packet(struct mwifiex_adapter *adapter,
1610 struct sk_buff *skb, u32 upld_typ)
1614 struct mwifiex_rxinfo *rx_info;
1616 pkt_len = get_unaligned_le16(skb->data);
1618 if (upld_typ != MWIFIEX_TYPE_AGGR_DATA) {
1619 skb_trim(skb, pkt_len);
1620 skb_pull(skb, adapter->intf_hdr_len);
1624 case MWIFIEX_TYPE_AGGR_DATA:
1625 mwifiex_dbg(adapter, INFO,
1626 "info: --- Rx: Aggr Data packet ---\n");
1627 rx_info = MWIFIEX_SKB_RXCB(skb);
1628 rx_info->buf_type = MWIFIEX_TYPE_AGGR_DATA;
1629 if (adapter->rx_work_enabled) {
1630 skb_queue_tail(&adapter->rx_data_q, skb);
1631 atomic_inc(&adapter->rx_pending);
1632 adapter->data_received = true;
1634 mwifiex_deaggr_sdio_pkt(adapter, skb);
1635 dev_kfree_skb_any(skb);
1639 case MWIFIEX_TYPE_DATA:
1640 mwifiex_dbg(adapter, DATA,
1641 "info: --- Rx: Data packet ---\n");
1642 if (adapter->rx_work_enabled) {
1643 skb_queue_tail(&adapter->rx_data_q, skb);
1644 adapter->data_received = true;
1645 atomic_inc(&adapter->rx_pending);
1647 mwifiex_handle_rx_packet(adapter, skb);
1651 case MWIFIEX_TYPE_CMD:
1652 mwifiex_dbg(adapter, CMD,
1653 "info: --- Rx: Cmd Response ---\n");
1654 /* take care of curr_cmd = NULL case */
1655 if (!adapter->curr_cmd) {
1656 cmd_buf = adapter->upld_buf;
1658 if (adapter->ps_state == PS_STATE_SLEEP_CFM)
1659 mwifiex_process_sleep_confirm_resp(adapter,
1663 memcpy(cmd_buf, skb->data,
1664 min_t(u32, MWIFIEX_SIZE_OF_CMD_BUFFER,
1667 dev_kfree_skb_any(skb);
1669 adapter->cmd_resp_received = true;
1670 adapter->curr_cmd->resp_skb = skb;
1674 case MWIFIEX_TYPE_EVENT:
1675 mwifiex_dbg(adapter, EVENT,
1676 "info: --- Rx: Event ---\n");
1677 adapter->event_cause = get_unaligned_le32(skb->data);
1679 if ((skb->len > 0) && (skb->len < MAX_EVENT_SIZE))
1680 memcpy(adapter->event_body,
1681 skb->data + MWIFIEX_EVENT_HEADER_LEN,
1684 /* event cause has been saved to adapter->event_cause */
1685 adapter->event_received = true;
1686 adapter->event_skb = skb;
1691 mwifiex_dbg(adapter, ERROR,
1692 "unknown upload type %#x\n", upld_typ);
1693 dev_kfree_skb_any(skb);
1701 * This function transfers received packets from card to driver, performing
1702 * aggregation if required.
1704 * For data received on control port, or if aggregation is disabled, the
1705 * received buffers are uploaded as separate packets. However, if aggregation
1706 * is enabled and required, the buffers are copied onto an aggregation buffer,
1707 * provided there is space left, processed and finally uploaded.
1709 static int mwifiex_sdio_card_to_host_mp_aggr(struct mwifiex_adapter *adapter,
1710 u16 rx_len, u8 port)
1712 struct sdio_mmc_card *card = adapter->card;
1713 s32 f_do_rx_aggr = 0;
1714 s32 f_do_rx_cur = 0;
1716 s32 f_post_aggr_cur = 0;
1717 struct sk_buff *skb_deaggr;
1718 struct sk_buff *skb = NULL;
1719 u32 pkt_len, pkt_type, mport, pind;
1722 if ((card->has_control_mask) && (port == CTRL_PORT)) {
1723 /* Read the command Resp without aggr */
1724 mwifiex_dbg(adapter, CMD,
1725 "info: %s: no aggregation for cmd\t"
1726 "response\n", __func__);
1729 goto rx_curr_single;
1732 if (!card->mpa_rx.enabled) {
1733 mwifiex_dbg(adapter, WARN,
1734 "info: %s: rx aggregation disabled\n",
1738 goto rx_curr_single;
1741 if ((!card->has_control_mask && (card->mp_rd_bitmap &
1742 card->reg->data_port_mask)) ||
1743 (card->has_control_mask && (card->mp_rd_bitmap &
1744 (~((u32) CTRL_PORT_MASK))))) {
1745 /* Some more data RX pending */
1746 mwifiex_dbg(adapter, INFO,
1747 "info: %s: not last packet\n", __func__);
1749 if (MP_RX_AGGR_IN_PROGRESS(card)) {
1750 if (MP_RX_AGGR_BUF_HAS_ROOM(card, rx_len)) {
1753 /* No room in Aggr buf, do rx aggr now */
1755 f_post_aggr_cur = 1;
1758 /* Rx aggr not in progress */
1763 /* No more data RX pending */
1764 mwifiex_dbg(adapter, INFO,
1765 "info: %s: last packet\n", __func__);
1767 if (MP_RX_AGGR_IN_PROGRESS(card)) {
1769 if (MP_RX_AGGR_BUF_HAS_ROOM(card, rx_len))
1772 /* No room in Aggr buf, do rx aggr now */
1780 mwifiex_dbg(adapter, INFO,
1781 "info: current packet aggregation\n");
1782 /* Curr pkt can be aggregated */
1783 mp_rx_aggr_setup(card, rx_len, port);
1785 if (MP_RX_AGGR_PKT_LIMIT_REACHED(card) ||
1786 mp_rx_aggr_port_limit_reached(card)) {
1787 mwifiex_dbg(adapter, INFO,
1788 "info: %s: aggregated packet\t"
1789 "limit reached\n", __func__);
1790 /* No more pkts allowed in Aggr buf, rx it */
1796 /* do aggr RX now */
1797 mwifiex_dbg(adapter, DATA,
1798 "info: do_rx_aggr: num of packets: %d\n",
1799 card->mpa_rx.pkt_cnt);
1801 if (card->supports_sdio_new_mode) {
1805 for (i = 0, port_count = 0; i < card->max_ports; i++)
1806 if (card->mpa_rx.ports & BIT(i))
1809 /* Reading data from "start_port + 0" to "start_port +
1810 * port_count -1", so decrease the count by 1
1813 mport = (adapter->ioport | SDIO_MPA_ADDR_BASE |
1814 (port_count << 8)) + card->mpa_rx.start_port;
1816 mport = (adapter->ioport | SDIO_MPA_ADDR_BASE |
1817 (card->mpa_rx.ports << 4)) +
1818 card->mpa_rx.start_port;
1821 if (card->mpa_rx.pkt_cnt == 1)
1822 mport = adapter->ioport + card->mpa_rx.start_port;
1824 if (mwifiex_read_data_sync(adapter, card->mpa_rx.buf,
1825 card->mpa_rx.buf_len, mport, 1))
1828 curr_ptr = card->mpa_rx.buf;
1830 for (pind = 0; pind < card->mpa_rx.pkt_cnt; pind++) {
1831 u32 *len_arr = card->mpa_rx.len_arr;
1833 /* get curr PKT len & type */
1834 pkt_len = get_unaligned_le16(&curr_ptr[0]);
1835 pkt_type = get_unaligned_le16(&curr_ptr[2]);
1837 /* copy pkt to deaggr buf */
1838 skb_deaggr = mwifiex_alloc_dma_align_buf(len_arr[pind],
1841 mwifiex_dbg(adapter, ERROR, "skb allocation failure\t"
1842 "drop pkt len=%d type=%d\n",
1844 curr_ptr += len_arr[pind];
1848 skb_put(skb_deaggr, len_arr[pind]);
1850 if ((pkt_type == MWIFIEX_TYPE_DATA ||
1851 (pkt_type == MWIFIEX_TYPE_AGGR_DATA &&
1852 adapter->sdio_rx_aggr_enable)) &&
1853 (pkt_len <= len_arr[pind])) {
1855 memcpy(skb_deaggr->data, curr_ptr, pkt_len);
1857 skb_trim(skb_deaggr, pkt_len);
1859 /* Process de-aggr packet */
1860 mwifiex_decode_rx_packet(adapter, skb_deaggr,
1863 mwifiex_dbg(adapter, ERROR,
1864 "drop wrong aggr pkt:\t"
1865 "sdio_single_port_rx_aggr=%d\t"
1866 "type=%d len=%d max_len=%d\n",
1867 adapter->sdio_rx_aggr_enable,
1868 pkt_type, pkt_len, len_arr[pind]);
1869 dev_kfree_skb_any(skb_deaggr);
1871 curr_ptr += len_arr[pind];
1873 MP_RX_AGGR_BUF_RESET(card);
1878 mwifiex_dbg(adapter, INFO, "info: RX: port: %d, rx_len: %d\n",
1881 skb = mwifiex_alloc_dma_align_buf(rx_len, GFP_KERNEL);
1883 mwifiex_dbg(adapter, ERROR,
1884 "single skb allocated fail,\t"
1885 "drop pkt port=%d len=%d\n", port, rx_len);
1886 if (mwifiex_sdio_card_to_host(adapter, &pkt_type,
1887 card->mpa_rx.buf, rx_len,
1888 adapter->ioport + port))
1893 skb_put(skb, rx_len);
1895 if (mwifiex_sdio_card_to_host(adapter, &pkt_type,
1896 skb->data, skb->len,
1897 adapter->ioport + port))
1899 if (!adapter->sdio_rx_aggr_enable &&
1900 pkt_type == MWIFIEX_TYPE_AGGR_DATA) {
1901 mwifiex_dbg(adapter, ERROR, "drop wrong pkt type %d\t"
1902 "current SDIO RX Aggr not enabled\n",
1904 dev_kfree_skb_any(skb);
1908 mwifiex_decode_rx_packet(adapter, skb, pkt_type);
1910 if (f_post_aggr_cur) {
1911 mwifiex_dbg(adapter, INFO,
1912 "info: current packet aggregation\n");
1913 /* Curr pkt can be aggregated */
1914 mp_rx_aggr_setup(card, rx_len, port);
1919 if (MP_RX_AGGR_IN_PROGRESS(card))
1920 MP_RX_AGGR_BUF_RESET(card);
1922 if (f_do_rx_cur && skb)
1923 /* Single transfer pending. Free curr buff also */
1924 dev_kfree_skb_any(skb);
1930 * This function checks the current interrupt status.
1932 * The following interrupts are checked and handled by this function -
1935 * - Packets received
1937 * Since the firmware does not generate download ready interrupt if the
1938 * port updated is command port only, command sent interrupt checking
1939 * should be done manually, and for every SDIO interrupt.
1941 * In case of Rx packets received, the packets are uploaded from card to
1942 * host and processed accordingly.
1944 static int mwifiex_process_int_status(struct mwifiex_adapter *adapter)
1946 struct sdio_mmc_card *card = adapter->card;
1947 const struct mwifiex_sdio_card_reg *reg = card->reg;
1950 struct sk_buff *skb;
1951 u8 port = CTRL_PORT;
1952 u32 len_reg_l, len_reg_u;
1955 unsigned long flags;
1959 spin_lock_irqsave(&adapter->int_lock, flags);
1960 sdio_ireg = adapter->int_status;
1961 adapter->int_status = 0;
1962 spin_unlock_irqrestore(&adapter->int_lock, flags);
1967 /* Following interrupt is only for SDIO new mode */
1968 if (sdio_ireg & DN_LD_CMD_PORT_HOST_INT_STATUS && adapter->cmd_sent)
1969 adapter->cmd_sent = false;
1971 /* Following interrupt is only for SDIO new mode */
1972 if (sdio_ireg & UP_LD_CMD_PORT_HOST_INT_STATUS) {
1975 /* read the len of control packet */
1976 rx_len = card->mp_regs[reg->cmd_rd_len_1] << 8;
1977 rx_len |= (u16)card->mp_regs[reg->cmd_rd_len_0];
1978 rx_blocks = DIV_ROUND_UP(rx_len, MWIFIEX_SDIO_BLOCK_SIZE);
1979 if (rx_len <= adapter->intf_hdr_len ||
1980 (rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE) >
1981 MWIFIEX_RX_DATA_BUF_SIZE)
1983 rx_len = (u16) (rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE);
1984 mwifiex_dbg(adapter, INFO, "info: rx_len = %d\n", rx_len);
1986 skb = mwifiex_alloc_dma_align_buf(rx_len, GFP_KERNEL);
1990 skb_put(skb, rx_len);
1992 if (mwifiex_sdio_card_to_host(adapter, &pkt_type, skb->data,
1993 skb->len, adapter->ioport |
1995 mwifiex_dbg(adapter, ERROR,
1996 "%s: failed to card_to_host", __func__);
1997 dev_kfree_skb_any(skb);
2001 if ((pkt_type != MWIFIEX_TYPE_CMD) &&
2002 (pkt_type != MWIFIEX_TYPE_EVENT))
2003 mwifiex_dbg(adapter, ERROR,
2004 "%s:Received wrong packet on cmd port",
2007 mwifiex_decode_rx_packet(adapter, skb, pkt_type);
2010 if (sdio_ireg & DN_LD_HOST_INT_STATUS) {
2011 bitmap = (u32) card->mp_regs[reg->wr_bitmap_l];
2012 bitmap |= ((u32) card->mp_regs[reg->wr_bitmap_u]) << 8;
2013 if (card->supports_sdio_new_mode) {
2015 ((u32) card->mp_regs[reg->wr_bitmap_1l]) << 16;
2017 ((u32) card->mp_regs[reg->wr_bitmap_1u]) << 24;
2019 card->mp_wr_bitmap = bitmap;
2021 mwifiex_dbg(adapter, INTR,
2022 "int: DNLD: wr_bitmap=0x%x\n",
2023 card->mp_wr_bitmap);
2024 if (adapter->data_sent &&
2025 (card->mp_wr_bitmap & card->mp_data_port_mask)) {
2026 mwifiex_dbg(adapter, INTR,
2027 "info: <--- Tx DONE Interrupt --->\n");
2028 adapter->data_sent = false;
2032 /* As firmware will not generate download ready interrupt if the port
2033 updated is command port only, cmd_sent should be done for any SDIO
2035 if (card->has_control_mask && adapter->cmd_sent) {
2036 /* Check if firmware has attach buffer at command port and
2037 update just that in wr_bit_map. */
2038 card->mp_wr_bitmap |=
2039 (u32) card->mp_regs[reg->wr_bitmap_l] & CTRL_PORT_MASK;
2040 if (card->mp_wr_bitmap & CTRL_PORT_MASK)
2041 adapter->cmd_sent = false;
2044 mwifiex_dbg(adapter, INTR, "info: cmd_sent=%d data_sent=%d\n",
2045 adapter->cmd_sent, adapter->data_sent);
2046 if (sdio_ireg & UP_LD_HOST_INT_STATUS) {
2047 bitmap = (u32) card->mp_regs[reg->rd_bitmap_l];
2048 bitmap |= ((u32) card->mp_regs[reg->rd_bitmap_u]) << 8;
2049 if (card->supports_sdio_new_mode) {
2051 ((u32) card->mp_regs[reg->rd_bitmap_1l]) << 16;
2053 ((u32) card->mp_regs[reg->rd_bitmap_1u]) << 24;
2055 card->mp_rd_bitmap = bitmap;
2056 mwifiex_dbg(adapter, INTR,
2057 "int: UPLD: rd_bitmap=0x%x\n",
2058 card->mp_rd_bitmap);
2061 ret = mwifiex_get_rd_port(adapter, &port);
2063 mwifiex_dbg(adapter, INFO,
2064 "info: no more rd_port available\n");
2067 len_reg_l = reg->rd_len_p0_l + (port << 1);
2068 len_reg_u = reg->rd_len_p0_u + (port << 1);
2069 rx_len = ((u16) card->mp_regs[len_reg_u]) << 8;
2070 rx_len |= (u16) card->mp_regs[len_reg_l];
2071 mwifiex_dbg(adapter, INFO,
2072 "info: RX: port=%d rx_len=%u\n",
2075 (rx_len + MWIFIEX_SDIO_BLOCK_SIZE -
2076 1) / MWIFIEX_SDIO_BLOCK_SIZE;
2077 if (rx_len <= adapter->intf_hdr_len ||
2078 (card->mpa_rx.enabled &&
2079 ((rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE) >
2080 card->mpa_rx.buf_size))) {
2081 mwifiex_dbg(adapter, ERROR,
2082 "invalid rx_len=%d\n",
2087 rx_len = (u16) (rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE);
2088 mwifiex_dbg(adapter, INFO, "info: rx_len = %d\n",
2091 if (mwifiex_sdio_card_to_host_mp_aggr(adapter, rx_len,
2093 mwifiex_dbg(adapter, ERROR,
2094 "card_to_host_mpa failed: int status=%#x\n",
2105 if (mwifiex_read_reg(adapter, CONFIGURATION_REG, &cr))
2106 mwifiex_dbg(adapter, ERROR, "read CFG reg failed\n");
2108 mwifiex_dbg(adapter, INFO,
2109 "info: CFG reg val = %d\n", cr);
2111 if (mwifiex_write_reg(adapter, CONFIGURATION_REG, (cr | 0x04)))
2112 mwifiex_dbg(adapter, ERROR,
2113 "write CFG reg failed\n");
2115 mwifiex_dbg(adapter, INFO, "info: write success\n");
2117 if (mwifiex_read_reg(adapter, CONFIGURATION_REG, &cr))
2118 mwifiex_dbg(adapter, ERROR,
2119 "read CFG reg failed\n");
2121 mwifiex_dbg(adapter, INFO,
2122 "info: CFG reg val =%x\n", cr);
2128 * This function aggregates transmission buffers in driver and downloads
2129 * the aggregated packet to card.
2131 * The individual packets are aggregated by copying into an aggregation
2132 * buffer and then downloaded to the card. Previous unsent packets in the
2133 * aggregation buffer are pre-copied first before new packets are added.
2134 * Aggregation is done till there is space left in the aggregation buffer,
2135 * or till new packets are available.
2137 * The function will only download the packet to the card when aggregation
2138 * stops, otherwise it will just aggregate the packet in aggregation buffer
2141 static int mwifiex_host_to_card_mp_aggr(struct mwifiex_adapter *adapter,
2142 u8 *payload, u32 pkt_len, u32 port,
2145 struct sdio_mmc_card *card = adapter->card;
2147 s32 f_send_aggr_buf = 0;
2148 s32 f_send_cur_buf = 0;
2149 s32 f_precopy_cur_buf = 0;
2150 s32 f_postcopy_cur_buf = 0;
2154 if (!card->mpa_tx.enabled ||
2155 (card->has_control_mask && (port == CTRL_PORT)) ||
2156 (card->supports_sdio_new_mode && (port == CMD_PORT_SLCT))) {
2157 mwifiex_dbg(adapter, WARN,
2158 "info: %s: tx aggregation disabled\n",
2162 goto tx_curr_single;
2166 /* More pkt in TX queue */
2167 mwifiex_dbg(adapter, INFO,
2168 "info: %s: more packets in queue.\n",
2171 if (MP_TX_AGGR_IN_PROGRESS(card)) {
2172 if (MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len)) {
2173 f_precopy_cur_buf = 1;
2175 if (!(card->mp_wr_bitmap &
2176 (1 << card->curr_wr_port)) ||
2177 !MP_TX_AGGR_BUF_HAS_ROOM(
2178 card, pkt_len + next_pkt_len))
2179 f_send_aggr_buf = 1;
2181 /* No room in Aggr buf, send it */
2182 f_send_aggr_buf = 1;
2184 if (!(card->mp_wr_bitmap &
2185 (1 << card->curr_wr_port)))
2188 f_postcopy_cur_buf = 1;
2191 if (MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len) &&
2192 (card->mp_wr_bitmap & (1 << card->curr_wr_port)))
2193 f_precopy_cur_buf = 1;
2198 /* Last pkt in TX queue */
2199 mwifiex_dbg(adapter, INFO,
2200 "info: %s: Last packet in Tx Queue.\n",
2203 if (MP_TX_AGGR_IN_PROGRESS(card)) {
2204 /* some packs in Aggr buf already */
2205 f_send_aggr_buf = 1;
2207 if (MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len))
2208 f_precopy_cur_buf = 1;
2210 /* No room in Aggr buf, send it */
2217 if (f_precopy_cur_buf) {
2218 mwifiex_dbg(adapter, DATA,
2219 "data: %s: precopy current buffer\n",
2221 MP_TX_AGGR_BUF_PUT(card, payload, pkt_len, port);
2223 if (MP_TX_AGGR_PKT_LIMIT_REACHED(card) ||
2224 mp_tx_aggr_port_limit_reached(card))
2225 /* No more pkts allowed in Aggr buf, send it */
2226 f_send_aggr_buf = 1;
2229 if (f_send_aggr_buf) {
2230 mwifiex_dbg(adapter, DATA,
2231 "data: %s: send aggr buffer: %d %d\n",
2232 __func__, card->mpa_tx.start_port,
2233 card->mpa_tx.ports);
2234 if (card->supports_sdio_new_mode) {
2238 for (i = 0, port_count = 0; i < card->max_ports; i++)
2239 if (card->mpa_tx.ports & BIT(i))
2242 /* Writing data from "start_port + 0" to "start_port +
2243 * port_count -1", so decrease the count by 1
2246 mport = (adapter->ioport | SDIO_MPA_ADDR_BASE |
2247 (port_count << 8)) + card->mpa_tx.start_port;
2249 mport = (adapter->ioport | SDIO_MPA_ADDR_BASE |
2250 (card->mpa_tx.ports << 4)) +
2251 card->mpa_tx.start_port;
2254 if (card->mpa_tx.pkt_cnt == 1)
2255 mport = adapter->ioport + card->mpa_tx.start_port;
2257 ret = mwifiex_write_data_to_card(adapter, card->mpa_tx.buf,
2258 card->mpa_tx.buf_len, mport);
2260 /* Save the last multi port tx aggreagation info to debug log */
2261 index = adapter->dbg.last_sdio_mp_index;
2262 index = (index + 1) % MWIFIEX_DBG_SDIO_MP_NUM;
2263 adapter->dbg.last_sdio_mp_index = index;
2264 adapter->dbg.last_mp_wr_ports[index] = mport;
2265 adapter->dbg.last_mp_wr_bitmap[index] = card->mp_wr_bitmap;
2266 adapter->dbg.last_mp_wr_len[index] = card->mpa_tx.buf_len;
2267 adapter->dbg.last_mp_curr_wr_port[index] = card->curr_wr_port;
2269 MP_TX_AGGR_BUF_RESET(card);
2273 if (f_send_cur_buf) {
2274 mwifiex_dbg(adapter, DATA,
2275 "data: %s: send current buffer %d\n",
2277 ret = mwifiex_write_data_to_card(adapter, payload, pkt_len,
2278 adapter->ioport + port);
2281 if (f_postcopy_cur_buf) {
2282 mwifiex_dbg(adapter, DATA,
2283 "data: %s: postcopy current buffer\n",
2285 MP_TX_AGGR_BUF_PUT(card, payload, pkt_len, port);
2292 * This function downloads data from driver to card.
2294 * Both commands and data packets are transferred to the card by this
2297 * This function adds the SDIO specific header to the front of the buffer
2298 * before transferring. The header contains the length of the packet and
2299 * the type. The firmware handles the packets based upon this set type.
2301 static int mwifiex_sdio_host_to_card(struct mwifiex_adapter *adapter,
2302 u8 type, struct sk_buff *skb,
2303 struct mwifiex_tx_param *tx_param)
2305 struct sdio_mmc_card *card = adapter->card;
2309 u32 port = CTRL_PORT;
2310 u8 *payload = (u8 *)skb->data;
2311 u32 pkt_len = skb->len;
2313 /* Allocate buffer and copy payload */
2314 blk_size = MWIFIEX_SDIO_BLOCK_SIZE;
2315 buf_block_len = (pkt_len + blk_size - 1) / blk_size;
2316 put_unaligned_le16((u16)pkt_len, payload + 0);
2317 put_unaligned_le16((u32)type, payload + 2);
2321 * This is SDIO specific header
2323 * u16 type (MWIFIEX_TYPE_DATA = 0, MWIFIEX_TYPE_CMD = 1,
2324 * MWIFIEX_TYPE_EVENT = 3)
2326 if (type == MWIFIEX_TYPE_DATA) {
2327 ret = mwifiex_get_wr_port_data(adapter, &port);
2329 mwifiex_dbg(adapter, ERROR,
2330 "%s: no wr_port available\n",
2335 adapter->cmd_sent = true;
2336 /* Type must be MWIFIEX_TYPE_CMD */
2338 if (pkt_len <= adapter->intf_hdr_len ||
2339 pkt_len > MWIFIEX_UPLD_SIZE)
2340 mwifiex_dbg(adapter, ERROR,
2341 "%s: payload=%p, nb=%d\n",
2342 __func__, payload, pkt_len);
2344 if (card->supports_sdio_new_mode)
2345 port = CMD_PORT_SLCT;
2348 /* Transfer data to card */
2349 pkt_len = buf_block_len * blk_size;
2352 ret = mwifiex_host_to_card_mp_aggr(adapter, payload, pkt_len,
2353 port, tx_param->next_pkt_len
2356 ret = mwifiex_host_to_card_mp_aggr(adapter, payload, pkt_len,
2360 if (type == MWIFIEX_TYPE_CMD)
2361 adapter->cmd_sent = false;
2362 if (type == MWIFIEX_TYPE_DATA) {
2363 adapter->data_sent = false;
2364 /* restore curr_wr_port in error cases */
2365 card->curr_wr_port = port;
2366 card->mp_wr_bitmap |= (u32)(1 << card->curr_wr_port);
2369 if (type == MWIFIEX_TYPE_DATA) {
2370 if (!(card->mp_wr_bitmap & (1 << card->curr_wr_port)))
2371 adapter->data_sent = true;
2373 adapter->data_sent = false;
2381 * This function allocates the MPA Tx and Rx buffers.
2383 static int mwifiex_alloc_sdio_mpa_buffers(struct mwifiex_adapter *adapter,
2384 u32 mpa_tx_buf_size, u32 mpa_rx_buf_size)
2386 struct sdio_mmc_card *card = adapter->card;
2390 card->mpa_tx.buf = kzalloc(mpa_tx_buf_size, GFP_KERNEL);
2391 if (!card->mpa_tx.buf) {
2396 card->mpa_tx.buf_size = mpa_tx_buf_size;
2398 rx_buf_size = max_t(u32, mpa_rx_buf_size,
2399 (u32)SDIO_MAX_AGGR_BUF_SIZE);
2400 card->mpa_rx.buf = kzalloc(rx_buf_size, GFP_KERNEL);
2401 if (!card->mpa_rx.buf) {
2406 card->mpa_rx.buf_size = rx_buf_size;
2410 kfree(card->mpa_tx.buf);
2411 kfree(card->mpa_rx.buf);
2412 card->mpa_tx.buf_size = 0;
2413 card->mpa_rx.buf_size = 0;
2414 card->mpa_tx.buf = NULL;
2415 card->mpa_rx.buf = NULL;
2422 * This function unregisters the SDIO device.
2424 * The SDIO IRQ is released, the function is disabled and driver
2425 * data is set to null.
2428 mwifiex_unregister_dev(struct mwifiex_adapter *adapter)
2430 struct sdio_mmc_card *card = adapter->card;
2432 if (adapter->card) {
2433 card->adapter = NULL;
2434 sdio_claim_host(card->func);
2435 sdio_disable_func(card->func);
2436 sdio_release_host(card->func);
2441 * This function registers the SDIO device.
2443 * SDIO IRQ is claimed, block size is set and driver data is initialized.
2445 static int mwifiex_register_dev(struct mwifiex_adapter *adapter)
2448 struct sdio_mmc_card *card = adapter->card;
2449 struct sdio_func *func = card->func;
2450 const char *firmware = card->firmware;
2452 /* save adapter pointer in card */
2453 card->adapter = adapter;
2454 adapter->tx_buf_size = card->tx_buf_size;
2456 sdio_claim_host(func);
2458 /* Set block size */
2459 ret = sdio_set_block_size(card->func, MWIFIEX_SDIO_BLOCK_SIZE);
2460 sdio_release_host(func);
2462 mwifiex_dbg(adapter, ERROR,
2463 "cannot set SDIO block size\n");
2467 /* Select correct firmware (sdsd or sdiouart) firmware based on the strapping
2470 if (card->firmware_sdiouart) {
2473 mwifiex_read_reg(adapter, card->reg->host_strap_reg, &val);
2474 if ((val & card->reg->host_strap_mask) == card->reg->host_strap_value)
2475 firmware = card->firmware_sdiouart;
2477 strcpy(adapter->fw_name, firmware);
2479 if (card->fw_dump_enh) {
2480 adapter->mem_type_mapping_tbl = generic_mem_type_map;
2481 adapter->num_mem_types = 1;
2483 adapter->mem_type_mapping_tbl = mem_type_mapping_tbl;
2484 adapter->num_mem_types = ARRAY_SIZE(mem_type_mapping_tbl);
2491 * This function initializes the SDIO driver.
2493 * The following initializations steps are followed -
2494 * - Read the Host interrupt status register to acknowledge
2495 * the first interrupt got from bootloader
2496 * - Disable host interrupt mask register
2498 * - Initialize SDIO variables in card
2499 * - Allocate MP registers
2500 * - Allocate MPA Tx and Rx buffers
2502 static int mwifiex_init_sdio(struct mwifiex_adapter *adapter)
2504 struct sdio_mmc_card *card = adapter->card;
2505 const struct mwifiex_sdio_card_reg *reg = card->reg;
2509 sdio_set_drvdata(card->func, card);
2512 * Read the host_int_status_reg for ACK the first interrupt got
2513 * from the bootloader. If we don't do this we get a interrupt
2514 * as soon as we register the irq.
2516 mwifiex_read_reg(adapter, card->reg->host_int_status_reg, &sdio_ireg);
2518 /* Get SDIO ioport */
2519 mwifiex_init_sdio_ioport(adapter);
2521 /* Initialize SDIO variables in card */
2522 card->mp_rd_bitmap = 0;
2523 card->mp_wr_bitmap = 0;
2524 card->curr_rd_port = reg->start_rd_port;
2525 card->curr_wr_port = reg->start_wr_port;
2527 card->mp_data_port_mask = reg->data_port_mask;
2529 card->mpa_tx.buf_len = 0;
2530 card->mpa_tx.pkt_cnt = 0;
2531 card->mpa_tx.start_port = 0;
2533 card->mpa_tx.enabled = 1;
2534 card->mpa_tx.pkt_aggr_limit = card->mp_agg_pkt_limit;
2536 card->mpa_rx.buf_len = 0;
2537 card->mpa_rx.pkt_cnt = 0;
2538 card->mpa_rx.start_port = 0;
2540 card->mpa_rx.enabled = 1;
2541 card->mpa_rx.pkt_aggr_limit = card->mp_agg_pkt_limit;
2543 /* Allocate buffers for SDIO MP-A */
2544 card->mp_regs = kzalloc(reg->max_mp_regs, GFP_KERNEL);
2548 /* Allocate skb pointer buffers */
2549 card->mpa_rx.skb_arr = kcalloc(card->mp_agg_pkt_limit, sizeof(void *),
2551 if (!card->mpa_rx.skb_arr) {
2552 kfree(card->mp_regs);
2556 card->mpa_rx.len_arr = kcalloc(card->mp_agg_pkt_limit,
2557 sizeof(*card->mpa_rx.len_arr),
2559 if (!card->mpa_rx.len_arr) {
2560 kfree(card->mp_regs);
2561 kfree(card->mpa_rx.skb_arr);
2565 ret = mwifiex_alloc_sdio_mpa_buffers(adapter,
2566 card->mp_tx_agg_buf_size,
2567 card->mp_rx_agg_buf_size);
2569 /* Allocate 32k MPA Tx/Rx buffers if 64k memory allocation fails */
2570 if (ret && (card->mp_tx_agg_buf_size == MWIFIEX_MP_AGGR_BUF_SIZE_MAX ||
2571 card->mp_rx_agg_buf_size == MWIFIEX_MP_AGGR_BUF_SIZE_MAX)) {
2572 /* Disable rx single port aggregation */
2573 adapter->host_disable_sdio_rx_aggr = true;
2575 ret = mwifiex_alloc_sdio_mpa_buffers
2576 (adapter, MWIFIEX_MP_AGGR_BUF_SIZE_32K,
2577 MWIFIEX_MP_AGGR_BUF_SIZE_32K);
2579 /* Disable multi port aggregation */
2580 card->mpa_tx.enabled = 0;
2581 card->mpa_rx.enabled = 0;
2585 adapter->auto_tdls = card->can_auto_tdls;
2586 adapter->ext_scan = card->can_ext_scan;
2591 * This function resets the MPA Tx and Rx buffers.
2593 static void mwifiex_cleanup_mpa_buf(struct mwifiex_adapter *adapter)
2595 struct sdio_mmc_card *card = adapter->card;
2597 MP_TX_AGGR_BUF_RESET(card);
2598 MP_RX_AGGR_BUF_RESET(card);
2602 * This function cleans up the allocated card buffers.
2604 * The following are freed by this function -
2609 static void mwifiex_cleanup_sdio(struct mwifiex_adapter *adapter)
2611 struct sdio_mmc_card *card = adapter->card;
2613 cancel_work_sync(&card->work);
2615 kfree(card->mp_regs);
2616 kfree(card->mpa_rx.skb_arr);
2617 kfree(card->mpa_rx.len_arr);
2618 kfree(card->mpa_tx.buf);
2619 kfree(card->mpa_rx.buf);
2623 * This function updates the MP end port in card.
2626 mwifiex_update_mp_end_port(struct mwifiex_adapter *adapter, u16 port)
2628 struct sdio_mmc_card *card = adapter->card;
2629 const struct mwifiex_sdio_card_reg *reg = card->reg;
2632 card->mp_end_port = port;
2634 card->mp_data_port_mask = reg->data_port_mask;
2636 if (reg->start_wr_port) {
2637 for (i = 1; i <= card->max_ports - card->mp_end_port; i++)
2638 card->mp_data_port_mask &=
2639 ~(1 << (card->max_ports - i));
2642 card->curr_wr_port = reg->start_wr_port;
2644 mwifiex_dbg(adapter, CMD,
2645 "cmd: mp_end_port %d, data port mask 0x%x\n",
2646 port, card->mp_data_port_mask);
2649 static void mwifiex_sdio_card_reset_work(struct mwifiex_adapter *adapter)
2651 struct sdio_mmc_card *card = adapter->card;
2652 struct sdio_func *func = card->func;
2655 /* Prepare the adapter for the reset. */
2656 mwifiex_shutdown_sw(adapter);
2657 clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, &card->work_flags);
2658 clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags);
2660 /* Run a HW reset of the SDIO interface. */
2661 sdio_claim_host(func);
2662 ret = mmc_hw_reset(func->card);
2663 sdio_release_host(func);
2667 dev_dbg(&func->dev, "SDIO HW reset asynchronous\n");
2668 complete_all(adapter->fw_done);
2671 ret = mwifiex_reinit_sw(adapter);
2673 dev_err(&func->dev, "reinit failed: %d\n", ret);
2676 dev_err(&func->dev, "SDIO HW reset failed: %d\n", ret);
2681 /* This function read/write firmware */
2683 rdwr_status mwifiex_sdio_rdwr_firmware(struct mwifiex_adapter *adapter,
2686 struct sdio_mmc_card *card = adapter->card;
2690 sdio_writeb(card->func, card->reg->fw_dump_host_ready,
2691 card->reg->fw_dump_ctrl, &ret);
2693 mwifiex_dbg(adapter, ERROR, "SDIO Write ERR\n");
2694 return RDWR_STATUS_FAILURE;
2696 for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
2697 ctrl_data = sdio_readb(card->func, card->reg->fw_dump_ctrl,
2700 mwifiex_dbg(adapter, ERROR, "SDIO read err\n");
2701 return RDWR_STATUS_FAILURE;
2703 if (ctrl_data == FW_DUMP_DONE)
2705 if (doneflag && ctrl_data == doneflag)
2706 return RDWR_STATUS_DONE;
2707 if (ctrl_data != card->reg->fw_dump_host_ready) {
2708 mwifiex_dbg(adapter, WARN,
2709 "The ctrl reg was changed, re-try again\n");
2710 sdio_writeb(card->func, card->reg->fw_dump_host_ready,
2711 card->reg->fw_dump_ctrl, &ret);
2713 mwifiex_dbg(adapter, ERROR, "SDIO write err\n");
2714 return RDWR_STATUS_FAILURE;
2717 usleep_range(100, 200);
2719 if (ctrl_data == card->reg->fw_dump_host_ready) {
2720 mwifiex_dbg(adapter, ERROR,
2721 "Fail to pull ctrl_data\n");
2722 return RDWR_STATUS_FAILURE;
2725 return RDWR_STATUS_SUCCESS;
2728 /* This function dump firmware memory to file */
2729 static void mwifiex_sdio_fw_dump(struct mwifiex_adapter *adapter)
2731 struct sdio_mmc_card *card = adapter->card;
2733 unsigned int reg, reg_start, reg_end;
2734 u8 *dbg_ptr, *end_ptr, dump_num, idx, i, read_reg, doneflag = 0;
2735 enum rdwr_status stat;
2738 if (!card->can_dump_fw)
2741 for (idx = 0; idx < ARRAY_SIZE(mem_type_mapping_tbl); idx++) {
2742 struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx];
2744 if (entry->mem_ptr) {
2745 vfree(entry->mem_ptr);
2746 entry->mem_ptr = NULL;
2748 entry->mem_size = 0;
2751 mwifiex_pm_wakeup_card(adapter);
2752 sdio_claim_host(card->func);
2754 mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump start ==\n");
2756 stat = mwifiex_sdio_rdwr_firmware(adapter, doneflag);
2757 if (stat == RDWR_STATUS_FAILURE)
2760 reg = card->reg->fw_dump_start;
2761 /* Read the number of the memories which will dump */
2762 dump_num = sdio_readb(card->func, reg, &ret);
2764 mwifiex_dbg(adapter, ERROR, "SDIO read memory length err\n");
2768 /* Read the length of every memory which will dump */
2769 for (idx = 0; idx < dump_num; idx++) {
2770 struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx];
2772 stat = mwifiex_sdio_rdwr_firmware(adapter, doneflag);
2773 if (stat == RDWR_STATUS_FAILURE)
2777 reg = card->reg->fw_dump_start;
2778 for (i = 0; i < 4; i++) {
2779 read_reg = sdio_readb(card->func, reg, &ret);
2781 mwifiex_dbg(adapter, ERROR, "SDIO read err\n");
2784 memory_size |= (read_reg << i*8);
2788 if (memory_size == 0) {
2789 mwifiex_dbg(adapter, DUMP, "Firmware dump Finished!\n");
2790 ret = mwifiex_write_reg(adapter,
2791 card->reg->fw_dump_ctrl,
2794 mwifiex_dbg(adapter, ERROR, "SDIO write err\n");
2800 mwifiex_dbg(adapter, DUMP,
2801 "%s_SIZE=0x%x\n", entry->mem_name, memory_size);
2802 entry->mem_ptr = vmalloc(memory_size + 1);
2803 entry->mem_size = memory_size;
2804 if (!entry->mem_ptr) {
2805 mwifiex_dbg(adapter, ERROR, "Vmalloc %s failed\n",
2809 dbg_ptr = entry->mem_ptr;
2810 end_ptr = dbg_ptr + memory_size;
2812 doneflag = entry->done_flag;
2813 mwifiex_dbg(adapter, DUMP,
2814 "Start %s output, please wait...\n",
2818 stat = mwifiex_sdio_rdwr_firmware(adapter, doneflag);
2819 if (stat == RDWR_STATUS_FAILURE)
2822 reg_start = card->reg->fw_dump_start;
2823 reg_end = card->reg->fw_dump_end;
2824 for (reg = reg_start; reg <= reg_end; reg++) {
2825 *dbg_ptr = sdio_readb(card->func, reg, &ret);
2827 mwifiex_dbg(adapter, ERROR,
2831 if (dbg_ptr < end_ptr)
2834 mwifiex_dbg(adapter, ERROR,
2835 "Allocated buf not enough\n");
2838 if (stat != RDWR_STATUS_DONE)
2841 mwifiex_dbg(adapter, DUMP, "%s done: size=0x%tx\n",
2842 entry->mem_name, dbg_ptr - entry->mem_ptr);
2846 mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump end ==\n");
2849 sdio_release_host(card->func);
2852 static void mwifiex_sdio_generic_fw_dump(struct mwifiex_adapter *adapter)
2854 struct sdio_mmc_card *card = adapter->card;
2855 struct memory_type_mapping *entry = &generic_mem_type_map[0];
2856 unsigned int reg, reg_start, reg_end;
2857 u8 start_flag = 0, done_flag = 0;
2858 u8 *dbg_ptr, *end_ptr;
2859 enum rdwr_status stat;
2860 int ret = -1, tries;
2862 if (!card->fw_dump_enh)
2865 if (entry->mem_ptr) {
2866 vfree(entry->mem_ptr);
2867 entry->mem_ptr = NULL;
2869 entry->mem_size = 0;
2871 mwifiex_pm_wakeup_card(adapter);
2872 sdio_claim_host(card->func);
2874 mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump start ==\n");
2876 stat = mwifiex_sdio_rdwr_firmware(adapter, done_flag);
2877 if (stat == RDWR_STATUS_FAILURE)
2880 reg_start = card->reg->fw_dump_start;
2881 reg_end = card->reg->fw_dump_end;
2882 for (reg = reg_start; reg <= reg_end; reg++) {
2883 for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
2884 start_flag = sdio_readb(card->func, reg, &ret);
2886 mwifiex_dbg(adapter, ERROR,
2890 if (start_flag == 0)
2892 if (tries == MAX_POLL_TRIES) {
2893 mwifiex_dbg(adapter, ERROR,
2894 "FW not ready to dump\n");
2899 usleep_range(100, 200);
2902 entry->mem_ptr = vmalloc(0xf0000 + 1);
2903 if (!entry->mem_ptr) {
2907 dbg_ptr = entry->mem_ptr;
2908 entry->mem_size = 0xf0000;
2909 end_ptr = dbg_ptr + entry->mem_size;
2911 done_flag = entry->done_flag;
2912 mwifiex_dbg(adapter, DUMP,
2913 "Start %s output, please wait...\n", entry->mem_name);
2916 stat = mwifiex_sdio_rdwr_firmware(adapter, done_flag);
2917 if (stat == RDWR_STATUS_FAILURE)
2919 for (reg = reg_start; reg <= reg_end; reg++) {
2920 *dbg_ptr = sdio_readb(card->func, reg, &ret);
2922 mwifiex_dbg(adapter, ERROR,
2927 if (dbg_ptr >= end_ptr) {
2930 tmp_ptr = vmalloc(entry->mem_size + 0x4000 + 1);
2934 memcpy(tmp_ptr, entry->mem_ptr,
2936 vfree(entry->mem_ptr);
2937 entry->mem_ptr = tmp_ptr;
2939 dbg_ptr = entry->mem_ptr + entry->mem_size;
2940 entry->mem_size += 0x4000;
2941 end_ptr = entry->mem_ptr + entry->mem_size;
2944 if (stat == RDWR_STATUS_DONE) {
2945 entry->mem_size = dbg_ptr - entry->mem_ptr;
2946 mwifiex_dbg(adapter, DUMP, "dump %s done size=0x%x\n",
2947 entry->mem_name, entry->mem_size);
2952 mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump end ==\n");
2956 mwifiex_dbg(adapter, ERROR, "firmware dump failed\n");
2957 if (entry->mem_ptr) {
2958 vfree(entry->mem_ptr);
2959 entry->mem_ptr = NULL;
2961 entry->mem_size = 0;
2963 sdio_release_host(card->func);
2966 static void mwifiex_sdio_device_dump_work(struct mwifiex_adapter *adapter)
2968 struct sdio_mmc_card *card = adapter->card;
2970 adapter->devdump_data = vzalloc(MWIFIEX_FW_DUMP_SIZE);
2971 if (!adapter->devdump_data) {
2972 mwifiex_dbg(adapter, ERROR,
2973 "vzalloc devdump data failure!\n");
2977 mwifiex_drv_info_dump(adapter);
2978 if (card->fw_dump_enh)
2979 mwifiex_sdio_generic_fw_dump(adapter);
2981 mwifiex_sdio_fw_dump(adapter);
2982 mwifiex_prepare_fw_dump_info(adapter);
2983 mwifiex_upload_device_dump(adapter);
2986 static void mwifiex_sdio_work(struct work_struct *work)
2988 struct sdio_mmc_card *card =
2989 container_of(work, struct sdio_mmc_card, work);
2991 if (test_and_clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP,
2993 mwifiex_sdio_device_dump_work(card->adapter);
2994 if (test_and_clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET,
2996 mwifiex_sdio_card_reset_work(card->adapter);
2999 /* This function resets the card */
3000 static void mwifiex_sdio_card_reset(struct mwifiex_adapter *adapter)
3002 struct sdio_mmc_card *card = adapter->card;
3004 if (!test_and_set_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags))
3005 schedule_work(&card->work);
3008 /* This function dumps FW information */
3009 static void mwifiex_sdio_device_dump(struct mwifiex_adapter *adapter)
3011 struct sdio_mmc_card *card = adapter->card;
3013 if (!test_and_set_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP,
3015 schedule_work(&card->work);
3018 /* Function to dump SDIO function registers and SDIO scratch registers in case
3022 mwifiex_sdio_reg_dump(struct mwifiex_adapter *adapter, char *drv_buf)
3025 struct sdio_mmc_card *cardp = adapter->card;
3027 u8 count, func, data, index = 0, size = 0;
3028 u8 reg, reg_start, reg_end;
3029 char buf[256], *ptr;
3034 mwifiex_dbg(adapter, MSG, "SDIO register dump start\n");
3036 mwifiex_pm_wakeup_card(adapter);
3038 sdio_claim_host(cardp->func);
3040 for (count = 0; count < 5; count++) {
3041 memset(buf, 0, sizeof(buf));
3046 /* Read the registers of SDIO function0 */
3052 /* Read the registers of SDIO function1 */
3054 reg_start = cardp->reg->func1_dump_reg_start;
3055 reg_end = cardp->reg->func1_dump_reg_end;
3060 reg_start = cardp->reg->func1_spec_reg_table[index++];
3061 size = cardp->reg->func1_spec_reg_num;
3062 reg_end = cardp->reg->func1_spec_reg_table[size-1];
3065 /* Read the scratch registers of SDIO function1 */
3069 reg_start = cardp->reg->func1_scratch_reg;
3070 reg_end = reg_start + MWIFIEX_SDIO_SCRATCH_SIZE;
3074 ptr += sprintf(ptr, "SDIO Func%d (%#x-%#x): ",
3075 func, reg_start, reg_end);
3077 ptr += sprintf(ptr, "SDIO Func%d: ", func);
3079 for (reg = reg_start; reg <= reg_end;) {
3081 data = sdio_f0_readb(cardp->func, reg, &ret);
3083 data = sdio_readb(cardp->func, reg, &ret);
3086 ptr += sprintf(ptr, "(%#x) ", reg);
3088 ptr += sprintf(ptr, "%02x ", data);
3090 ptr += sprintf(ptr, "ERR");
3094 if (count == 2 && reg < reg_end)
3095 reg = cardp->reg->func1_spec_reg_table[index++];
3100 mwifiex_dbg(adapter, MSG, "%s\n", buf);
3101 p += sprintf(p, "%s\n", buf);
3104 sdio_release_host(cardp->func);
3106 mwifiex_dbg(adapter, MSG, "SDIO register dump end\n");
3111 /* sdio device/function initialization, code is extracted
3112 * from init_if handler and register_dev handler.
3114 static void mwifiex_sdio_up_dev(struct mwifiex_adapter *adapter)
3116 struct sdio_mmc_card *card = adapter->card;
3119 sdio_claim_host(card->func);
3120 sdio_enable_func(card->func);
3121 sdio_set_block_size(card->func, MWIFIEX_SDIO_BLOCK_SIZE);
3122 sdio_release_host(card->func);
3124 /* tx_buf_size might be changed to 3584 by firmware during
3125 * data transfer, we will reset to default size.
3127 adapter->tx_buf_size = card->tx_buf_size;
3129 /* Read the host_int_status_reg for ACK the first interrupt got
3130 * from the bootloader. If we don't do this we get a interrupt
3131 * as soon as we register the irq.
3133 mwifiex_read_reg(adapter, card->reg->host_int_status_reg, &sdio_ireg);
3135 mwifiex_init_sdio_ioport(adapter);
3138 static struct mwifiex_if_ops sdio_ops = {
3139 .init_if = mwifiex_init_sdio,
3140 .cleanup_if = mwifiex_cleanup_sdio,
3141 .check_fw_status = mwifiex_check_fw_status,
3142 .check_winner_status = mwifiex_check_winner_status,
3143 .prog_fw = mwifiex_prog_fw_w_helper,
3144 .register_dev = mwifiex_register_dev,
3145 .unregister_dev = mwifiex_unregister_dev,
3146 .enable_int = mwifiex_sdio_enable_host_int,
3147 .disable_int = mwifiex_sdio_disable_host_int,
3148 .process_int_status = mwifiex_process_int_status,
3149 .host_to_card = mwifiex_sdio_host_to_card,
3150 .wakeup = mwifiex_pm_wakeup_card,
3151 .wakeup_complete = mwifiex_pm_wakeup_card_complete,
3154 .update_mp_end_port = mwifiex_update_mp_end_port,
3155 .cleanup_mpa_buf = mwifiex_cleanup_mpa_buf,
3156 .cmdrsp_complete = mwifiex_sdio_cmdrsp_complete,
3157 .event_complete = mwifiex_sdio_event_complete,
3158 .dnld_fw = mwifiex_sdio_dnld_fw,
3159 .card_reset = mwifiex_sdio_card_reset,
3160 .reg_dump = mwifiex_sdio_reg_dump,
3161 .device_dump = mwifiex_sdio_device_dump,
3162 .deaggr_pkt = mwifiex_deaggr_sdio_pkt,
3163 .up_dev = mwifiex_sdio_up_dev,
3166 module_driver(mwifiex_sdio, sdio_register_driver, sdio_unregister_driver);
3168 MODULE_AUTHOR("Marvell International Ltd.");
3169 MODULE_DESCRIPTION("Marvell WiFi-Ex SDIO Driver version " SDIO_VERSION);
3170 MODULE_VERSION(SDIO_VERSION);
3171 MODULE_LICENSE("GPL v2");