summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/mwifiex/sdio.h
blob: 54c07156dd78351ad5ff36f22f0c6cd062376468 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
/*
 * Marvell Wireless LAN device driver: SDIO specific definitions
 *
 * Copyright (C) 2011-2014, Marvell International Ltd.
 *
 * This software file (the "File") is distributed by Marvell International
 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
 * (the "License").  You may use, redistribute and/or modify this File in
 * accordance with the terms and conditions of the License, a copy of which
 * is available by writing to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
 * this warranty disclaimer.
 */

#ifndef	_MWIFIEX_SDIO_H
#define	_MWIFIEX_SDIO_H


#include <linux/mmc/sdio.h>
#include <linux/mmc/sdio_ids.h>
#include <linux/mmc/sdio_func.h>
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>

#include "main.h"

#define SD8786_DEFAULT_FW_NAME "mrvl/sd8786_uapsta.bin"
#define SD8787_DEFAULT_FW_NAME "mrvl/sd8787_uapsta.bin"
#define SD8797_DEFAULT_FW_NAME "mrvl/sd8797_uapsta.bin"
#define SD8897_DEFAULT_FW_NAME "mrvl/sd8897_uapsta.bin"
#define SD8887_DEFAULT_FW_NAME "mrvl/sd8887_uapsta.bin"

#define BLOCK_MODE	1
#define BYTE_MODE	0

#define REG_PORT			0

#define MWIFIEX_SDIO_IO_PORT_MASK		0xfffff

#define MWIFIEX_SDIO_BYTE_MODE_MASK	0x80000000

#define SDIO_MPA_ADDR_BASE		0x1000
#define CTRL_PORT			0
#define CTRL_PORT_MASK			0x0001

#define CMD_PORT_UPLD_INT_MASK		(0x1U<<6)
#define CMD_PORT_DNLD_INT_MASK		(0x1U<<7)
#define HOST_TERM_CMD53			(0x1U << 2)
#define REG_PORT			0
#define MEM_PORT			0x10000

#define CMD53_NEW_MODE			(0x1U << 0)
#define CMD_PORT_RD_LEN_EN		(0x1U << 2)
#define CMD_PORT_AUTO_EN		(0x1U << 0)
#define CMD_PORT_SLCT			0x8000
#define UP_LD_CMD_PORT_HOST_INT_STATUS	(0x40U)
#define DN_LD_CMD_PORT_HOST_INT_STATUS	(0x80U)

#define MWIFIEX_MP_AGGR_BUF_SIZE_16K	(16384)
#define MWIFIEX_MP_AGGR_BUF_SIZE_32K	(32768)

/* Misc. Config Register : Auto Re-enable interrupts */
#define AUTO_RE_ENABLE_INT              BIT(4)

/* Host Control Registers : Configuration */
#define CONFIGURATION_REG		0x00
/* Host Control Registers : Host power up */
#define HOST_POWER_UP			(0x1U << 1)

/* Host Control Registers : Upload host interrupt mask */
#define UP_LD_HOST_INT_MASK		(0x1U)
/* Host Control Registers : Download host interrupt mask */
#define DN_LD_HOST_INT_MASK		(0x2U)

/* Host Control Registers : Upload host interrupt status */
#define UP_LD_HOST_INT_STATUS		(0x1U)
/* Host Control Registers : Download host interrupt status */
#define DN_LD_HOST_INT_STATUS		(0x2U)

/* Host Control Registers : Host interrupt status */
#define CARD_INT_STATUS_REG		0x28

/* Card Control Registers : Card I/O ready */
#define CARD_IO_READY                   (0x1U << 3)
/* Card Control Registers : Download card ready */
#define DN_LD_CARD_RDY                  (0x1U << 0)

/* Max retry number of CMD53 write */
#define MAX_WRITE_IOMEM_RETRY		2

/* SDIO Tx aggregation in progress ? */
#define MP_TX_AGGR_IN_PROGRESS(a) (a->mpa_tx.pkt_cnt > 0)

/* SDIO Tx aggregation buffer room for next packet ? */
#define MP_TX_AGGR_BUF_HAS_ROOM(a, len) ((a->mpa_tx.buf_len+len)	\
						<= a->mpa_tx.buf_size)

/* Copy current packet (SDIO Tx aggregation buffer) to SDIO buffer */
#define MP_TX_AGGR_BUF_PUT(a, payload, pkt_len, port) do {		\
	memmove(&a->mpa_tx.buf[a->mpa_tx.buf_len],			\
			payload, pkt_len);				\
	a->mpa_tx.buf_len += pkt_len;					\
	if (!a->mpa_tx.pkt_cnt)						\
		a->mpa_tx.start_port = port;				\
	if (a->mpa_tx.start_port <= port)				\
		a->mpa_tx.ports |= (1<<(a->mpa_tx.pkt_cnt));		\
	else								\
		a->mpa_tx.ports |= (1<<(a->mpa_tx.pkt_cnt+1+		\
						(a->max_ports -	\
						a->mp_end_port)));	\
	a->mpa_tx.pkt_cnt++;						\
} while (0)

/* SDIO Tx aggregation limit ? */
#define MP_TX_AGGR_PKT_LIMIT_REACHED(a)					\
			(a->mpa_tx.pkt_cnt == a->mpa_tx.pkt_aggr_limit)

/* Reset SDIO Tx aggregation buffer parameters */
#define MP_TX_AGGR_BUF_RESET(a) do {					\
	a->mpa_tx.pkt_cnt = 0;						\
	a->mpa_tx.buf_len = 0;						\
	a->mpa_tx.ports = 0;						\
	a->mpa_tx.start_port = 0;					\
} while (0)

/* SDIO Rx aggregation limit ? */
#define MP_RX_AGGR_PKT_LIMIT_REACHED(a)					\
			(a->mpa_rx.pkt_cnt == a->mpa_rx.pkt_aggr_limit)

/* SDIO Rx aggregation in progress ? */
#define MP_RX_AGGR_IN_PROGRESS(a) (a->mpa_rx.pkt_cnt > 0)

/* SDIO Rx aggregation buffer room for next packet ? */
#define MP_RX_AGGR_BUF_HAS_ROOM(a, rx_len)				\
			((a->mpa_rx.buf_len+rx_len) <= a->mpa_rx.buf_size)

/* Reset SDIO Rx aggregation buffer parameters */
#define MP_RX_AGGR_BUF_RESET(a) do {					\
	a->mpa_rx.pkt_cnt = 0;						\
	a->mpa_rx.buf_len = 0;						\
	a->mpa_rx.ports = 0;						\
	a->mpa_rx.start_port = 0;					\
} while (0)

/* data structure for SDIO MPA TX */
struct mwifiex_sdio_mpa_tx {
	/* multiport tx aggregation buffer pointer */
	u8 *buf;
	u32 buf_len;
	u32 pkt_cnt;
	u32 ports;
	u16 start_port;
	u8 enabled;
	u32 buf_size;
	u32 pkt_aggr_limit;
};

struct mwifiex_sdio_mpa_rx {
	u8 *buf;
	u32 buf_len;
	u32 pkt_cnt;
	u32 ports;
	u16 start_port;

	struct sk_buff **skb_arr;
	u32 *len_arr;

	u8 enabled;
	u32 buf_size;
	u32 pkt_aggr_limit;
};

int mwifiex_bus_register(void);
void mwifiex_bus_unregister(void);

struct mwifiex_sdio_card_reg {
	u8 start_rd_port;
	u8 start_wr_port;
	u8 base_0_reg;
	u8 base_1_reg;
	u8 poll_reg;
	u8 host_int_enable;
	u8 host_int_rsr_reg;
	u8 host_int_status_reg;
	u8 host_int_mask_reg;
	u8 status_reg_0;
	u8 status_reg_1;
	u8 sdio_int_mask;
	u32 data_port_mask;
	u8 io_port_0_reg;
	u8 io_port_1_reg;
	u8 io_port_2_reg;
	u8 max_mp_regs;
	u8 rd_bitmap_l;
	u8 rd_bitmap_u;
	u8 rd_bitmap_1l;
	u8 rd_bitmap_1u;
	u8 wr_bitmap_l;
	u8 wr_bitmap_u;
	u8 wr_bitmap_1l;
	u8 wr_bitmap_1u;
	u8 rd_len_p0_l;
	u8 rd_len_p0_u;
	u8 card_misc_cfg_reg;
	u8 card_cfg_2_1_reg;
	u8 cmd_rd_len_0;
	u8 cmd_rd_len_1;
	u8 cmd_rd_len_2;
	u8 cmd_rd_len_3;
	u8 cmd_cfg_0;
	u8 cmd_cfg_1;
	u8 cmd_cfg_2;
	u8 cmd_cfg_3;
	u8 fw_dump_ctrl;
	u8 fw_dump_start;
	u8 fw_dump_end;
};

struct sdio_mmc_card {
	struct sdio_func *func;
	struct mwifiex_adapter *adapter;

	const char *firmware;
	const struct mwifiex_sdio_card_reg *reg;
	u8 max_ports;
	u8 mp_agg_pkt_limit;
	bool supports_sdio_new_mode;
	bool has_control_mask;
	bool supports_fw_dump;
	u16 tx_buf_size;
	u32 mp_tx_agg_buf_size;
	u32 mp_rx_agg_buf_size;

	u32 mp_rd_bitmap;
	u32 mp_wr_bitmap;

	u16 mp_end_port;
	u32 mp_data_port_mask;

	u8 curr_rd_port;
	u8 curr_wr_port;

	u8 *mp_regs;
	u8 auto_tdls;

	struct mwifiex_sdio_mpa_tx mpa_tx;
	struct mwifiex_sdio_mpa_rx mpa_rx;
};

struct mwifiex_sdio_device {
	const char *firmware;
	const struct mwifiex_sdio_card_reg *reg;
	u8 max_ports;
	u8 mp_agg_pkt_limit;
	bool supports_sdio_new_mode;
	bool has_control_mask;
	bool supports_fw_dump;
	u16 tx_buf_size;
	u32 mp_tx_agg_buf_size;
	u32 mp_rx_agg_buf_size;
	u8 auto_tdls;
};

static const struct mwifiex_sdio_card_reg mwifiex_reg_sd87xx = {
	.start_rd_port = 1,
	.start_wr_port = 1,
	.base_0_reg = 0x0040,
	.base_1_reg = 0x0041,
	.poll_reg = 0x30,
	.host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK,
	.host_int_rsr_reg = 0x1,
	.host_int_mask_reg = 0x02,
	.host_int_status_reg = 0x03,
	.status_reg_0 = 0x60,
	.status_reg_1 = 0x61,
	.sdio_int_mask = 0x3f,
	.data_port_mask = 0x0000fffe,
	.io_port_0_reg = 0x78,
	.io_port_1_reg = 0x79,
	.io_port_2_reg = 0x7A,
	.max_mp_regs = 64,
	.rd_bitmap_l = 0x04,
	.rd_bitmap_u = 0x05,
	.wr_bitmap_l = 0x06,
	.wr_bitmap_u = 0x07,
	.rd_len_p0_l = 0x08,
	.rd_len_p0_u = 0x09,
	.card_misc_cfg_reg = 0x6c,
};

static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8897 = {
	.start_rd_port = 0,
	.start_wr_port = 0,
	.base_0_reg = 0x60,
	.base_1_reg = 0x61,
	.poll_reg = 0x50,
	.host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK |
			CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK,
	.host_int_rsr_reg = 0x1,
	.host_int_status_reg = 0x03,
	.host_int_mask_reg = 0x02,
	.status_reg_0 = 0xc0,
	.status_reg_1 = 0xc1,
	.sdio_int_mask = 0xff,
	.data_port_mask = 0xffffffff,
	.io_port_0_reg = 0xD8,
	.io_port_1_reg = 0xD9,
	.io_port_2_reg = 0xDA,
	.max_mp_regs = 184,
	.rd_bitmap_l = 0x04,
	.rd_bitmap_u = 0x05,
	.rd_bitmap_1l = 0x06,
	.rd_bitmap_1u = 0x07,
	.wr_bitmap_l = 0x08,
	.wr_bitmap_u = 0x09,
	.wr_bitmap_1l = 0x0a,
	.wr_bitmap_1u = 0x0b,
	.rd_len_p0_l = 0x0c,
	.rd_len_p0_u = 0x0d,
	.card_misc_cfg_reg = 0xcc,
	.card_cfg_2_1_reg = 0xcd,
	.cmd_rd_len_0 = 0xb4,
	.cmd_rd_len_1 = 0xb5,
	.cmd_rd_len_2 = 0xb6,
	.cmd_rd_len_3 = 0xb7,
	.cmd_cfg_0 = 0xb8,
	.cmd_cfg_1 = 0xb9,
	.cmd_cfg_2 = 0xba,
	.cmd_cfg_3 = 0xbb,
	.fw_dump_ctrl = 0xe2,
	.fw_dump_start = 0xe3,
	.fw_dump_end = 0xea,
};

static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8887 = {
	.start_rd_port = 0,
	.start_wr_port = 0,
	.base_0_reg = 0x6C,
	.base_1_reg = 0x6D,
	.poll_reg = 0x5C,
	.host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK |
			CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK,
	.host_int_rsr_reg = 0x4,
	.host_int_status_reg = 0x0C,
	.host_int_mask_reg = 0x08,
	.status_reg_0 = 0x90,
	.status_reg_1 = 0x91,
	.sdio_int_mask = 0xff,
	.data_port_mask = 0xffffffff,
	.io_port_0_reg = 0xE4,
	.io_port_1_reg = 0xE5,
	.io_port_2_reg = 0xE6,
	.max_mp_regs = 196,
	.rd_bitmap_l = 0x10,
	.rd_bitmap_u = 0x11,
	.rd_bitmap_1l = 0x12,
	.rd_bitmap_1u = 0x13,
	.wr_bitmap_l = 0x14,
	.wr_bitmap_u = 0x15,
	.wr_bitmap_1l = 0x16,
	.wr_bitmap_1u = 0x17,
	.rd_len_p0_l = 0x18,
	.rd_len_p0_u = 0x19,
	.card_misc_cfg_reg = 0xd8,
	.card_cfg_2_1_reg = 0xd9,
	.cmd_rd_len_0 = 0xc0,
	.cmd_rd_len_1 = 0xc1,
	.cmd_rd_len_2 = 0xc2,
	.cmd_rd_len_3 = 0xc3,
	.cmd_cfg_0 = 0xc4,
	.cmd_cfg_1 = 0xc5,
	.cmd_cfg_2 = 0xc6,
	.cmd_cfg_3 = 0xc7,
};

static const struct mwifiex_sdio_device mwifiex_sdio_sd8786 = {
	.firmware = SD8786_DEFAULT_FW_NAME,
	.reg = &mwifiex_reg_sd87xx,
	.max_ports = 16,
	.mp_agg_pkt_limit = 8,
	.supports_sdio_new_mode = false,
	.has_control_mask = true,
	.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K,
	.mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K,
	.mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K,
	.supports_fw_dump = false,
	.auto_tdls = false,
};

static const struct mwifiex_sdio_device mwifiex_sdio_sd8787 = {
	.firmware = SD8787_DEFAULT_FW_NAME,
	.reg = &mwifiex_reg_sd87xx,
	.max_ports = 16,
	.mp_agg_pkt_limit = 8,
	.supports_sdio_new_mode = false,
	.has_control_mask = true,
	.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K,
	.mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K,
	.mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K,
	.supports_fw_dump = false,
	.auto_tdls = false,
};

static const struct mwifiex_sdio_device mwifiex_sdio_sd8797 = {
	.firmware = SD8797_DEFAULT_FW_NAME,
	.reg = &mwifiex_reg_sd87xx,
	.max_ports = 16,
	.mp_agg_pkt_limit = 8,
	.supports_sdio_new_mode = false,
	.has_control_mask = true,
	.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K,
	.mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K,
	.mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K,
	.supports_fw_dump = false,
	.auto_tdls = false,
};

static const struct mwifiex_sdio_device mwifiex_sdio_sd8897 = {
	.firmware = SD8897_DEFAULT_FW_NAME,
	.reg = &mwifiex_reg_sd8897,
	.max_ports = 32,
	.mp_agg_pkt_limit = 16,
	.supports_sdio_new_mode = true,
	.has_control_mask = false,
	.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_4K,
	.mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_32K,
	.mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_32K,
	.supports_fw_dump = true,
	.auto_tdls = false,
};

static const struct mwifiex_sdio_device mwifiex_sdio_sd8887 = {
	.firmware = SD8887_DEFAULT_FW_NAME,
	.reg = &mwifiex_reg_sd8887,
	.max_ports = 32,
	.mp_agg_pkt_limit = 16,
	.supports_sdio_new_mode = true,
	.has_control_mask = false,
	.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_4K,
	.mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_32K,
	.mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_32K,
	.supports_fw_dump = false,
	.auto_tdls = true,
};

/*
 * .cmdrsp_complete handler
 */
static inline int mwifiex_sdio_cmdrsp_complete(struct mwifiex_adapter *adapter,
					       struct sk_buff *skb)
{
	dev_kfree_skb_any(skb);
	return 0;
}

/*
 * .event_complete handler
 */
static inline int mwifiex_sdio_event_complete(struct mwifiex_adapter *adapter,
					      struct sk_buff *skb)
{
	dev_kfree_skb_any(skb);
	return 0;
}

static inline bool
mp_rx_aggr_port_limit_reached(struct sdio_mmc_card *card)
{
	u8 tmp;

	if (card->curr_rd_port < card->mpa_rx.start_port) {
		if (card->supports_sdio_new_mode)
			tmp = card->mp_end_port >> 1;
		else
			tmp = card->mp_agg_pkt_limit;

		if (((card->max_ports - card->mpa_rx.start_port) +
		    card->curr_rd_port) >= tmp)
			return true;
	}

	if (!card->supports_sdio_new_mode)
		return false;

	if ((card->curr_rd_port - card->mpa_rx.start_port) >=
	    (card->mp_end_port >> 1))
		return true;

	return false;
}

static inline bool
mp_tx_aggr_port_limit_reached(struct sdio_mmc_card *card)
{
	u16 tmp;

	if (card->curr_wr_port < card->mpa_tx.start_port) {
		if (card->supports_sdio_new_mode)
			tmp = card->mp_end_port >> 1;
		else
			tmp = card->mp_agg_pkt_limit;

		if (((card->max_ports - card->mpa_tx.start_port) +
		    card->curr_wr_port) >= tmp)
			return true;
	}

	if (!card->supports_sdio_new_mode)
		return false;

	if ((card->curr_wr_port - card->mpa_tx.start_port) >=
	    (card->mp_end_port >> 1))
		return true;

	return false;
}

/* Prepare to copy current packet from card to SDIO Rx aggregation buffer */
static inline void mp_rx_aggr_setup(struct sdio_mmc_card *card,
				    struct sk_buff *skb, u8 port)
{
	card->mpa_rx.buf_len += skb->len;

	if (!card->mpa_rx.pkt_cnt)
		card->mpa_rx.start_port = port;

	if (card->supports_sdio_new_mode) {
		card->mpa_rx.ports |= (1 << port);
	} else {
		if (card->mpa_rx.start_port <= port)
			card->mpa_rx.ports |= 1 << (card->mpa_rx.pkt_cnt);
		else
			card->mpa_rx.ports |= 1 << (card->mpa_rx.pkt_cnt + 1);
	}
	card->mpa_rx.skb_arr[card->mpa_rx.pkt_cnt] = skb;
	card->mpa_rx.len_arr[card->mpa_rx.pkt_cnt] = skb->len;
	card->mpa_rx.pkt_cnt++;
}
#endif /* _MWIFIEX_SDIO_H */