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1 /* Driver for Realtek PCI-Express card reader
2  *
3  * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License as published by the
7  * Free Software Foundation; either version 2, or (at your option) any
8  * later version.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, see <http://www.gnu.org/licenses/>.
17  *
18  * Author:
19  *   Wei WANG <wei_wang@realsil.com.cn>
20  */
21 
22 #ifndef __RTSX_PCI_H
23 #define __RTSX_PCI_H
24 
25 #include <linux/sched.h>
26 #include <linux/pci.h>
27 #include <linux/mfd/rtsx_common.h>
28 
29 #define MAX_RW_REG_CNT			1024
30 
31 /* PCI Operation Register Address */
32 #define RTSX_HCBAR			0x00
33 #define RTSX_HCBCTLR			0x04
34 #define RTSX_HDBAR			0x08
35 #define RTSX_HDBCTLR			0x0C
36 #define RTSX_HAIMR			0x10
37 #define RTSX_BIPR			0x14
38 #define RTSX_BIER			0x18
39 
40 /* Host command buffer control register */
41 #define STOP_CMD			(0x01 << 28)
42 
43 /* Host data buffer control register */
44 #define SDMA_MODE			0x00
45 #define ADMA_MODE			(0x02 << 26)
46 #define STOP_DMA			(0x01 << 28)
47 #define TRIG_DMA			(0x01 << 31)
48 
49 /* Host access internal memory register */
50 #define HAIMR_TRANS_START		(0x01 << 31)
51 #define HAIMR_READ			0x00
52 #define HAIMR_WRITE			(0x01 << 30)
53 #define HAIMR_READ_START		(HAIMR_TRANS_START | HAIMR_READ)
54 #define HAIMR_WRITE_START		(HAIMR_TRANS_START | HAIMR_WRITE)
55 #define HAIMR_TRANS_END			(HAIMR_TRANS_START)
56 
57 /* Bus interrupt pending register */
58 #define CMD_DONE_INT			(1 << 31)
59 #define DATA_DONE_INT			(1 << 30)
60 #define TRANS_OK_INT			(1 << 29)
61 #define TRANS_FAIL_INT			(1 << 28)
62 #define XD_INT				(1 << 27)
63 #define MS_INT				(1 << 26)
64 #define SD_INT				(1 << 25)
65 #define GPIO0_INT			(1 << 24)
66 #define OC_INT				(1 << 23)
67 #define SD_WRITE_PROTECT		(1 << 19)
68 #define XD_EXIST			(1 << 18)
69 #define MS_EXIST			(1 << 17)
70 #define SD_EXIST			(1 << 16)
71 #define DELINK_INT			GPIO0_INT
72 #define MS_OC_INT			(1 << 23)
73 #define SD_OC_INT			(1 << 22)
74 
75 #define CARD_INT		(XD_INT | MS_INT | SD_INT)
76 #define NEED_COMPLETE_INT	(DATA_DONE_INT | TRANS_OK_INT | TRANS_FAIL_INT)
77 #define RTSX_INT		(CMD_DONE_INT | NEED_COMPLETE_INT | \
78 					CARD_INT | GPIO0_INT | OC_INT)
79 
80 #define CARD_EXIST		(XD_EXIST | MS_EXIST | SD_EXIST)
81 
82 /* Bus interrupt enable register */
83 #define CMD_DONE_INT_EN		(1 << 31)
84 #define DATA_DONE_INT_EN	(1 << 30)
85 #define TRANS_OK_INT_EN		(1 << 29)
86 #define TRANS_FAIL_INT_EN	(1 << 28)
87 #define XD_INT_EN		(1 << 27)
88 #define MS_INT_EN		(1 << 26)
89 #define SD_INT_EN		(1 << 25)
90 #define GPIO0_INT_EN		(1 << 24)
91 #define OC_INT_EN		(1 << 23)
92 #define DELINK_INT_EN		GPIO0_INT_EN
93 #define MS_OC_INT_EN		(1 << 23)
94 #define SD_OC_INT_EN		(1 << 22)
95 
96 #define READ_REG_CMD		0
97 #define WRITE_REG_CMD		1
98 #define CHECK_REG_CMD		2
99 
100 /*
101  * macros for easy use
102  */
103 #define rtsx_pci_writel(pcr, reg, value) \
104 	iowrite32(value, (pcr)->remap_addr + reg)
105 #define rtsx_pci_readl(pcr, reg) \
106 	ioread32((pcr)->remap_addr + reg)
107 #define rtsx_pci_writew(pcr, reg, value) \
108 	iowrite16(value, (pcr)->remap_addr + reg)
109 #define rtsx_pci_readw(pcr, reg) \
110 	ioread16((pcr)->remap_addr + reg)
111 #define rtsx_pci_writeb(pcr, reg, value) \
112 	iowrite8(value, (pcr)->remap_addr + reg)
113 #define rtsx_pci_readb(pcr, reg) \
114 	ioread8((pcr)->remap_addr + reg)
115 
116 #define rtsx_pci_read_config_byte(pcr, where, val) \
117 	pci_read_config_byte((pcr)->pci, where, val)
118 
119 #define rtsx_pci_write_config_byte(pcr, where, val) \
120 	pci_write_config_byte((pcr)->pci, where, val)
121 
122 #define rtsx_pci_read_config_dword(pcr, where, val) \
123 	pci_read_config_dword((pcr)->pci, where, val)
124 
125 #define rtsx_pci_write_config_dword(pcr, where, val) \
126 	pci_write_config_dword((pcr)->pci, where, val)
127 
128 #define STATE_TRANS_NONE	0
129 #define STATE_TRANS_CMD		1
130 #define STATE_TRANS_BUF		2
131 #define STATE_TRANS_SG		3
132 
133 #define TRANS_NOT_READY		0
134 #define TRANS_RESULT_OK		1
135 #define TRANS_RESULT_FAIL	2
136 #define TRANS_NO_DEVICE		3
137 
138 #define RTSX_RESV_BUF_LEN	4096
139 #define HOST_CMDS_BUF_LEN	1024
140 #define HOST_SG_TBL_BUF_LEN	(RTSX_RESV_BUF_LEN - HOST_CMDS_BUF_LEN)
141 #define HOST_SG_TBL_ITEMS	(HOST_SG_TBL_BUF_LEN / 8)
142 #define MAX_SG_ITEM_LEN		0x80000
143 
144 #define HOST_TO_DEVICE		0
145 #define DEVICE_TO_HOST		1
146 
147 #define RTSX_PHASE_MAX		32
148 #define RX_TUNING_CNT		3
149 
150 /* SG descriptor */
151 #define SG_INT			0x04
152 #define SG_END			0x02
153 #define SG_VALID		0x01
154 
155 #define SG_NO_OP		0x00
156 #define SG_TRANS_DATA		(0x02 << 4)
157 #define SG_LINK_DESC		(0x03 << 4)
158 
159 /* Output voltage */
160 #define OUTPUT_3V3		0
161 #define OUTPUT_1V8		1
162 
163 /* Card Clock Enable Register */
164 #define SD_CLK_EN			0x04
165 #define MS_CLK_EN			0x08
166 
167 /* Card Select Register */
168 #define SD_MOD_SEL			2
169 #define MS_MOD_SEL			3
170 
171 /* Card Output Enable Register */
172 #define SD_OUTPUT_EN			0x04
173 #define MS_OUTPUT_EN			0x08
174 
175 /* CARD_SHARE_MODE */
176 #define CARD_SHARE_MASK			0x0F
177 #define CARD_SHARE_MULTI_LUN		0x00
178 #define	CARD_SHARE_NORMAL		0x00
179 #define	CARD_SHARE_48_SD		0x04
180 #define	CARD_SHARE_48_MS		0x08
181 /* CARD_SHARE_MODE for barossa */
182 #define CARD_SHARE_BAROSSA_SD		0x01
183 #define CARD_SHARE_BAROSSA_MS		0x02
184 
185 /* CARD_DRIVE_SEL */
186 #define MS_DRIVE_8mA			(0x01 << 6)
187 #define MMC_DRIVE_8mA			(0x01 << 4)
188 #define XD_DRIVE_8mA			(0x01 << 2)
189 #define GPIO_DRIVE_8mA			0x01
190 #define RTS5209_CARD_DRIVE_DEFAULT	(MS_DRIVE_8mA | MMC_DRIVE_8mA |\
191 						XD_DRIVE_8mA | GPIO_DRIVE_8mA)
192 #define RTL8411_CARD_DRIVE_DEFAULT	(MS_DRIVE_8mA | MMC_DRIVE_8mA |\
193 						XD_DRIVE_8mA)
194 #define RTSX_CARD_DRIVE_DEFAULT		(MS_DRIVE_8mA | GPIO_DRIVE_8mA)
195 
196 /* SD30_DRIVE_SEL */
197 #define DRIVER_TYPE_A			0x05
198 #define DRIVER_TYPE_B			0x03
199 #define DRIVER_TYPE_C			0x02
200 #define DRIVER_TYPE_D			0x01
201 #define CFG_DRIVER_TYPE_A		0x02
202 #define CFG_DRIVER_TYPE_B		0x03
203 #define CFG_DRIVER_TYPE_C		0x01
204 #define CFG_DRIVER_TYPE_D		0x00
205 
206 /* FPDCTL */
207 #define SSC_POWER_DOWN			0x01
208 #define SD_OC_POWER_DOWN		0x02
209 #define ALL_POWER_DOWN			0x07
210 #define OC_POWER_DOWN			0x06
211 
212 /* CLK_CTL */
213 #define CHANGE_CLK			0x01
214 
215 /* LDO_CTL */
216 #define BPP_ASIC_1V7			0x00
217 #define BPP_ASIC_1V8			0x01
218 #define BPP_ASIC_1V9			0x02
219 #define BPP_ASIC_2V0			0x03
220 #define BPP_ASIC_2V7			0x04
221 #define BPP_ASIC_2V8			0x05
222 #define BPP_ASIC_3V2			0x06
223 #define BPP_ASIC_3V3			0x07
224 #define BPP_REG_TUNED18			0x07
225 #define BPP_TUNED18_SHIFT_8402		5
226 #define BPP_TUNED18_SHIFT_8411		4
227 #define BPP_PAD_MASK			0x04
228 #define BPP_PAD_3V3			0x04
229 #define BPP_PAD_1V8			0x00
230 #define BPP_LDO_POWB			0x03
231 #define BPP_LDO_ON			0x00
232 #define BPP_LDO_SUSPEND			0x02
233 #define BPP_LDO_OFF			0x03
234 
235 /* CD_PAD_CTL */
236 #define CD_DISABLE_MASK			0x07
237 #define MS_CD_DISABLE			0x04
238 #define SD_CD_DISABLE			0x02
239 #define XD_CD_DISABLE			0x01
240 #define CD_DISABLE			0x07
241 #define CD_ENABLE			0x00
242 #define MS_CD_EN_ONLY			0x03
243 #define SD_CD_EN_ONLY			0x05
244 #define XD_CD_EN_ONLY			0x06
245 #define FORCE_CD_LOW_MASK		0x38
246 #define FORCE_CD_XD_LOW			0x08
247 #define FORCE_CD_SD_LOW			0x10
248 #define FORCE_CD_MS_LOW			0x20
249 #define CD_AUTO_DISABLE			0x40
250 
251 /* SD_STAT1 */
252 #define	SD_CRC7_ERR			0x80
253 #define	SD_CRC16_ERR			0x40
254 #define	SD_CRC_WRITE_ERR		0x20
255 #define	SD_CRC_WRITE_ERR_MASK		0x1C
256 #define	GET_CRC_TIME_OUT		0x02
257 #define	SD_TUNING_COMPARE_ERR		0x01
258 
259 /* SD_STAT2 */
260 #define	SD_RSP_80CLK_TIMEOUT		0x01
261 
262 /* SD_BUS_STAT */
263 #define	SD_CLK_TOGGLE_EN		0x80
264 #define	SD_CLK_FORCE_STOP	        0x40
265 #define	SD_DAT3_STATUS		        0x10
266 #define	SD_DAT2_STATUS		        0x08
267 #define	SD_DAT1_STATUS		        0x04
268 #define	SD_DAT0_STATUS		        0x02
269 #define	SD_CMD_STATUS			0x01
270 
271 /* SD_PAD_CTL */
272 #define	SD_IO_USING_1V8		        0x80
273 #define	SD_IO_USING_3V3		        0x7F
274 #define	TYPE_A_DRIVING		        0x00
275 #define	TYPE_B_DRIVING			0x01
276 #define	TYPE_C_DRIVING			0x02
277 #define	TYPE_D_DRIVING		        0x03
278 
279 /* SD_SAMPLE_POINT_CTL */
280 #define	DDR_FIX_RX_DAT			0x00
281 #define	DDR_VAR_RX_DAT			0x80
282 #define	DDR_FIX_RX_DAT_EDGE		0x00
283 #define	DDR_FIX_RX_DAT_14_DELAY		0x40
284 #define	DDR_FIX_RX_CMD			0x00
285 #define	DDR_VAR_RX_CMD			0x20
286 #define	DDR_FIX_RX_CMD_POS_EDGE		0x00
287 #define	DDR_FIX_RX_CMD_14_DELAY		0x10
288 #define	SD20_RX_POS_EDGE		0x00
289 #define	SD20_RX_14_DELAY		0x08
290 #define SD20_RX_SEL_MASK		0x08
291 
292 /* SD_PUSH_POINT_CTL */
293 #define	DDR_FIX_TX_CMD_DAT		0x00
294 #define	DDR_VAR_TX_CMD_DAT		0x80
295 #define	DDR_FIX_TX_DAT_14_TSU		0x00
296 #define	DDR_FIX_TX_DAT_12_TSU		0x40
297 #define	DDR_FIX_TX_CMD_NEG_EDGE		0x00
298 #define	DDR_FIX_TX_CMD_14_AHEAD		0x20
299 #define	SD20_TX_NEG_EDGE		0x00
300 #define	SD20_TX_14_AHEAD		0x10
301 #define SD20_TX_SEL_MASK		0x10
302 #define	DDR_VAR_SDCLK_POL_SWAP		0x01
303 
304 /* SD_TRANSFER */
305 #define	SD_TRANSFER_START		0x80
306 #define	SD_TRANSFER_END			0x40
307 #define SD_STAT_IDLE			0x20
308 #define	SD_TRANSFER_ERR			0x10
309 /* SD Transfer Mode definition */
310 #define	SD_TM_NORMAL_WRITE		0x00
311 #define	SD_TM_AUTO_WRITE_3		0x01
312 #define	SD_TM_AUTO_WRITE_4		0x02
313 #define	SD_TM_AUTO_READ_3		0x05
314 #define	SD_TM_AUTO_READ_4		0x06
315 #define	SD_TM_CMD_RSP			0x08
316 #define	SD_TM_AUTO_WRITE_1		0x09
317 #define	SD_TM_AUTO_WRITE_2		0x0A
318 #define	SD_TM_NORMAL_READ		0x0C
319 #define	SD_TM_AUTO_READ_1		0x0D
320 #define	SD_TM_AUTO_READ_2		0x0E
321 #define	SD_TM_AUTO_TUNING		0x0F
322 
323 /* SD_VPTX_CTL / SD_VPRX_CTL */
324 #define PHASE_CHANGE			0x80
325 #define PHASE_NOT_RESET			0x40
326 
327 /* SD_DCMPS_TX_CTL / SD_DCMPS_RX_CTL */
328 #define DCMPS_CHANGE			0x80
329 #define DCMPS_CHANGE_DONE		0x40
330 #define DCMPS_ERROR			0x20
331 #define DCMPS_CURRENT_PHASE		0x1F
332 
333 /* SD Configure 1 Register */
334 #define SD_CLK_DIVIDE_0			0x00
335 #define	SD_CLK_DIVIDE_256		0xC0
336 #define	SD_CLK_DIVIDE_128		0x80
337 #define	SD_BUS_WIDTH_1BIT		0x00
338 #define	SD_BUS_WIDTH_4BIT		0x01
339 #define	SD_BUS_WIDTH_8BIT		0x02
340 #define	SD_ASYNC_FIFO_NOT_RST		0x10
341 #define	SD_20_MODE			0x00
342 #define	SD_DDR_MODE			0x04
343 #define	SD_30_MODE			0x08
344 
345 #define SD_CLK_DIVIDE_MASK		0xC0
346 
347 /* SD_CMD_STATE */
348 #define SD_CMD_IDLE			0x80
349 
350 /* SD_DATA_STATE */
351 #define SD_DATA_IDLE			0x80
352 
353 /* DCM_DRP_CTL */
354 #define DCM_RESET			0x08
355 #define DCM_LOCKED			0x04
356 #define DCM_208M			0x00
357 #define DCM_TX			        0x01
358 #define DCM_RX			        0x02
359 
360 /* DCM_DRP_TRIG */
361 #define DRP_START			0x80
362 #define DRP_DONE			0x40
363 
364 /* DCM_DRP_CFG */
365 #define DRP_WRITE			0x80
366 #define DRP_READ			0x00
367 #define DCM_WRITE_ADDRESS_50		0x50
368 #define DCM_WRITE_ADDRESS_51		0x51
369 #define DCM_READ_ADDRESS_00		0x00
370 #define DCM_READ_ADDRESS_51		0x51
371 
372 /* IRQSTAT0 */
373 #define DMA_DONE_INT			0x80
374 #define SUSPEND_INT			0x40
375 #define LINK_RDY_INT			0x20
376 #define LINK_DOWN_INT			0x10
377 
378 /* DMACTL */
379 #define DMA_RST				0x80
380 #define DMA_BUSY			0x04
381 #define DMA_DIR_TO_CARD			0x00
382 #define DMA_DIR_FROM_CARD		0x02
383 #define DMA_EN				0x01
384 #define DMA_128				(0 << 4)
385 #define DMA_256				(1 << 4)
386 #define DMA_512				(2 << 4)
387 #define DMA_1024			(3 << 4)
388 #define DMA_PACK_SIZE_MASK		0x30
389 
390 /* SSC_CTL1 */
391 #define SSC_RSTB			0x80
392 #define SSC_8X_EN			0x40
393 #define SSC_FIX_FRAC			0x20
394 #define SSC_SEL_1M			0x00
395 #define SSC_SEL_2M			0x08
396 #define SSC_SEL_4M			0x10
397 #define SSC_SEL_8M			0x18
398 
399 /* SSC_CTL2 */
400 #define SSC_DEPTH_MASK			0x07
401 #define SSC_DEPTH_DISALBE		0x00
402 #define SSC_DEPTH_4M			0x01
403 #define SSC_DEPTH_2M			0x02
404 #define SSC_DEPTH_1M			0x03
405 #define SSC_DEPTH_500K			0x04
406 #define SSC_DEPTH_250K			0x05
407 
408 /* System Clock Control Register */
409 #define CLK_LOW_FREQ			0x01
410 
411 /* System Clock Divider Register */
412 #define CLK_DIV_1			0x01
413 #define CLK_DIV_2			0x02
414 #define CLK_DIV_4			0x03
415 #define CLK_DIV_8			0x04
416 
417 /* MS_CFG */
418 #define	SAMPLE_TIME_RISING		0x00
419 #define	SAMPLE_TIME_FALLING		0x80
420 #define	PUSH_TIME_DEFAULT		0x00
421 #define	PUSH_TIME_ODD			0x40
422 #define	NO_EXTEND_TOGGLE		0x00
423 #define	EXTEND_TOGGLE_CHK		0x20
424 #define	MS_BUS_WIDTH_1			0x00
425 #define	MS_BUS_WIDTH_4			0x10
426 #define	MS_BUS_WIDTH_8			0x18
427 #define	MS_2K_SECTOR_MODE		0x04
428 #define	MS_512_SECTOR_MODE		0x00
429 #define	MS_TOGGLE_TIMEOUT_EN		0x00
430 #define	MS_TOGGLE_TIMEOUT_DISEN		0x01
431 #define MS_NO_CHECK_INT			0x02
432 
433 /* MS_TRANS_CFG */
434 #define	WAIT_INT			0x80
435 #define	NO_WAIT_INT			0x00
436 #define	NO_AUTO_READ_INT_REG		0x00
437 #define	AUTO_READ_INT_REG		0x40
438 #define	MS_CRC16_ERR			0x20
439 #define	MS_RDY_TIMEOUT			0x10
440 #define	MS_INT_CMDNK			0x08
441 #define	MS_INT_BREQ			0x04
442 #define	MS_INT_ERR			0x02
443 #define	MS_INT_CED			0x01
444 
445 /* MS_TRANSFER */
446 #define	MS_TRANSFER_START		0x80
447 #define	MS_TRANSFER_END			0x40
448 #define	MS_TRANSFER_ERR			0x20
449 #define	MS_BS_STATE			0x10
450 #define	MS_TM_READ_BYTES		0x00
451 #define	MS_TM_NORMAL_READ		0x01
452 #define	MS_TM_WRITE_BYTES		0x04
453 #define	MS_TM_NORMAL_WRITE		0x05
454 #define	MS_TM_AUTO_READ			0x08
455 #define	MS_TM_AUTO_WRITE		0x0C
456 
457 /* SD Configure 2 Register */
458 #define	SD_CALCULATE_CRC7		0x00
459 #define	SD_NO_CALCULATE_CRC7		0x80
460 #define	SD_CHECK_CRC16			0x00
461 #define	SD_NO_CHECK_CRC16		0x40
462 #define SD_NO_CHECK_WAIT_CRC_TO		0x20
463 #define	SD_WAIT_BUSY_END		0x08
464 #define	SD_NO_WAIT_BUSY_END		0x00
465 #define	SD_CHECK_CRC7			0x00
466 #define	SD_NO_CHECK_CRC7		0x04
467 #define	SD_RSP_LEN_0			0x00
468 #define	SD_RSP_LEN_6			0x01
469 #define	SD_RSP_LEN_17			0x02
470 /* SD/MMC Response Type Definition */
471 #define	SD_RSP_TYPE_R0			0x04
472 #define	SD_RSP_TYPE_R1			0x01
473 #define	SD_RSP_TYPE_R1b			0x09
474 #define	SD_RSP_TYPE_R2			0x02
475 #define	SD_RSP_TYPE_R3			0x05
476 #define	SD_RSP_TYPE_R4			0x05
477 #define	SD_RSP_TYPE_R5			0x01
478 #define	SD_RSP_TYPE_R6			0x01
479 #define	SD_RSP_TYPE_R7			0x01
480 
481 /* SD_CONFIGURE3 */
482 #define	SD_RSP_80CLK_TIMEOUT_EN		0x01
483 
484 /* Card Transfer Reset Register */
485 #define SPI_STOP			0x01
486 #define XD_STOP				0x02
487 #define SD_STOP				0x04
488 #define MS_STOP				0x08
489 #define SPI_CLR_ERR			0x10
490 #define XD_CLR_ERR			0x20
491 #define SD_CLR_ERR			0x40
492 #define MS_CLR_ERR			0x80
493 
494 /* Card Data Source Register */
495 #define PINGPONG_BUFFER			0x01
496 #define RING_BUFFER			0x00
497 
498 /* Card Power Control Register */
499 #define PMOS_STRG_MASK			0x10
500 #define PMOS_STRG_800mA			0x10
501 #define PMOS_STRG_400mA			0x00
502 #define SD_POWER_OFF			0x03
503 #define SD_PARTIAL_POWER_ON		0x01
504 #define SD_POWER_ON			0x00
505 #define SD_POWER_MASK			0x03
506 #define MS_POWER_OFF			0x0C
507 #define MS_PARTIAL_POWER_ON		0x04
508 #define MS_POWER_ON			0x00
509 #define MS_POWER_MASK			0x0C
510 #define BPP_POWER_OFF			0x0F
511 #define BPP_POWER_5_PERCENT_ON		0x0E
512 #define BPP_POWER_10_PERCENT_ON		0x0C
513 #define BPP_POWER_15_PERCENT_ON		0x08
514 #define BPP_POWER_ON			0x00
515 #define BPP_POWER_MASK			0x0F
516 #define SD_VCC_PARTIAL_POWER_ON		0x02
517 #define SD_VCC_POWER_ON			0x00
518 
519 /* PWR_GATE_CTRL */
520 #define PWR_GATE_EN			0x01
521 #define LDO3318_PWR_MASK		0x06
522 #define LDO_ON				0x00
523 #define LDO_SUSPEND			0x04
524 #define LDO_OFF				0x06
525 
526 /* CARD_CLK_SOURCE */
527 #define CRC_FIX_CLK			(0x00 << 0)
528 #define CRC_VAR_CLK0			(0x01 << 0)
529 #define CRC_VAR_CLK1			(0x02 << 0)
530 #define SD30_FIX_CLK			(0x00 << 2)
531 #define SD30_VAR_CLK0			(0x01 << 2)
532 #define SD30_VAR_CLK1			(0x02 << 2)
533 #define SAMPLE_FIX_CLK			(0x00 << 4)
534 #define SAMPLE_VAR_CLK0			(0x01 << 4)
535 #define SAMPLE_VAR_CLK1			(0x02 << 4)
536 
537 /* HOST_SLEEP_STATE */
538 #define HOST_ENTER_S1			1
539 #define HOST_ENTER_S3			2
540 
541 #define MS_CFG				0xFD40
542 #define MS_TPC				0xFD41
543 #define MS_TRANS_CFG			0xFD42
544 #define MS_TRANSFER			0xFD43
545 #define MS_INT_REG			0xFD44
546 #define MS_BYTE_CNT			0xFD45
547 #define MS_SECTOR_CNT_L			0xFD46
548 #define MS_SECTOR_CNT_H			0xFD47
549 #define MS_DBUS_H			0xFD48
550 
551 #define SD_CFG1				0xFDA0
552 #define SD_CFG2				0xFDA1
553 #define SD_CFG3				0xFDA2
554 #define SD_STAT1			0xFDA3
555 #define SD_STAT2			0xFDA4
556 #define SD_BUS_STAT			0xFDA5
557 #define SD_PAD_CTL			0xFDA6
558 #define SD_SAMPLE_POINT_CTL		0xFDA7
559 #define SD_PUSH_POINT_CTL		0xFDA8
560 #define SD_CMD0				0xFDA9
561 #define SD_CMD1				0xFDAA
562 #define SD_CMD2				0xFDAB
563 #define SD_CMD3				0xFDAC
564 #define SD_CMD4				0xFDAD
565 #define SD_CMD5				0xFDAE
566 #define SD_BYTE_CNT_L			0xFDAF
567 #define SD_BYTE_CNT_H			0xFDB0
568 #define SD_BLOCK_CNT_L			0xFDB1
569 #define SD_BLOCK_CNT_H			0xFDB2
570 #define SD_TRANSFER			0xFDB3
571 #define SD_CMD_STATE			0xFDB5
572 #define SD_DATA_STATE			0xFDB6
573 
574 #define SRCTL				0xFC13
575 
576 #define	DCM_DRP_CTL			0xFC23
577 #define	DCM_DRP_TRIG			0xFC24
578 #define	DCM_DRP_CFG			0xFC25
579 #define	DCM_DRP_WR_DATA_L		0xFC26
580 #define	DCM_DRP_WR_DATA_H		0xFC27
581 #define	DCM_DRP_RD_DATA_L		0xFC28
582 #define	DCM_DRP_RD_DATA_H		0xFC29
583 #define SD_VPCLK0_CTL			0xFC2A
584 #define SD_VPCLK1_CTL			0xFC2B
585 #define SD_DCMPS0_CTL			0xFC2C
586 #define SD_DCMPS1_CTL			0xFC2D
587 #define SD_VPTX_CTL			SD_VPCLK0_CTL
588 #define SD_VPRX_CTL			SD_VPCLK1_CTL
589 #define SD_DCMPS_TX_CTL			SD_DCMPS0_CTL
590 #define SD_DCMPS_RX_CTL			SD_DCMPS1_CTL
591 #define CARD_CLK_SOURCE			0xFC2E
592 
593 #define CARD_PWR_CTL			0xFD50
594 #define CARD_CLK_SWITCH			0xFD51
595 #define RTL8411B_PACKAGE_MODE		0xFD51
596 #define CARD_SHARE_MODE			0xFD52
597 #define CARD_DRIVE_SEL			0xFD53
598 #define CARD_STOP			0xFD54
599 #define CARD_OE				0xFD55
600 #define CARD_AUTO_BLINK			0xFD56
601 #define CARD_GPIO_DIR			0xFD57
602 #define CARD_GPIO			0xFD58
603 #define CARD_DATA_SOURCE		0xFD5B
604 #define SD30_CLK_DRIVE_SEL		0xFD5A
605 #define CARD_SELECT			0xFD5C
606 #define SD30_DRIVE_SEL			0xFD5E
607 #define SD30_CMD_DRIVE_SEL		0xFD5E
608 #define SD30_DAT_DRIVE_SEL		0xFD5F
609 #define CARD_CLK_EN			0xFD69
610 #define SDIO_CTRL			0xFD6B
611 #define CD_PAD_CTL			0xFD73
612 
613 #define FPDCTL				0xFC00
614 #define PDINFO				0xFC01
615 
616 #define CLK_CTL				0xFC02
617 #define CLK_DIV				0xFC03
618 #define CLK_SEL				0xFC04
619 
620 #define SSC_DIV_N_0			0xFC0F
621 #define SSC_DIV_N_1			0xFC10
622 #define SSC_CTL1			0xFC11
623 #define SSC_CTL2			0xFC12
624 
625 #define RCCTL				0xFC14
626 
627 #define FPGA_PULL_CTL			0xFC1D
628 #define OLT_LED_CTL			0xFC1E
629 #define GPIO_CTL			0xFC1F
630 
631 #define LDO_CTL				0xFC1E
632 #define SYS_VER				0xFC32
633 
634 #define CARD_PULL_CTL1			0xFD60
635 #define CARD_PULL_CTL2			0xFD61
636 #define CARD_PULL_CTL3			0xFD62
637 #define CARD_PULL_CTL4			0xFD63
638 #define CARD_PULL_CTL5			0xFD64
639 #define CARD_PULL_CTL6			0xFD65
640 
641 /* PCI Express Related Registers */
642 #define IRQEN0				0xFE20
643 #define IRQSTAT0			0xFE21
644 #define IRQEN1				0xFE22
645 #define IRQSTAT1			0xFE23
646 #define TLPRIEN				0xFE24
647 #define TLPRISTAT			0xFE25
648 #define TLPTIEN				0xFE26
649 #define TLPTISTAT			0xFE27
650 #define DMATC0				0xFE28
651 #define DMATC1				0xFE29
652 #define DMATC2				0xFE2A
653 #define DMATC3				0xFE2B
654 #define DMACTL				0xFE2C
655 #define BCTL				0xFE2D
656 #define RBBC0				0xFE2E
657 #define RBBC1				0xFE2F
658 #define RBDAT				0xFE30
659 #define RBCTL				0xFE34
660 #define CFGADDR0			0xFE35
661 #define CFGADDR1			0xFE36
662 #define CFGDATA0			0xFE37
663 #define CFGDATA1			0xFE38
664 #define CFGDATA2			0xFE39
665 #define CFGDATA3			0xFE3A
666 #define CFGRWCTL			0xFE3B
667 #define PHYRWCTL			0xFE3C
668 #define PHYDATA0			0xFE3D
669 #define PHYDATA1			0xFE3E
670 #define PHYADDR				0xFE3F
671 #define MSGRXDATA0			0xFE40
672 #define MSGRXDATA1			0xFE41
673 #define MSGRXDATA2			0xFE42
674 #define MSGRXDATA3			0xFE43
675 #define MSGTXDATA0			0xFE44
676 #define MSGTXDATA1			0xFE45
677 #define MSGTXDATA2			0xFE46
678 #define MSGTXDATA3			0xFE47
679 #define MSGTXCTL			0xFE48
680 #define PETXCFG				0xFE49
681 #define LTR_CTL				0xFE4A
682 #define OBFF_CFG			0xFE4C
683 
684 #define CDRESUMECTL			0xFE52
685 #define WAKE_SEL_CTL			0xFE54
686 #define PME_FORCE_CTL			0xFE56
687 #define ASPM_FORCE_CTL			0xFE57
688 #define PM_CLK_FORCE_CTL		0xFE58
689 #define FUNC_FORCE_CTL			0xFE59
690 #define PERST_GLITCH_WIDTH		0xFE5C
691 #define CHANGE_LINK_STATE		0xFE5B
692 #define RESET_LOAD_REG			0xFE5E
693 #define EFUSE_CONTENT			0xFE5F
694 #define HOST_SLEEP_STATE		0xFE60
695 #define SDIO_CFG			0xFE70
696 
697 #define NFTS_TX_CTRL			0xFE72
698 
699 #define PWR_GATE_CTRL			0xFE75
700 #define PWD_SUSPEND_EN			0xFE76
701 #define LDO_PWR_SEL			0xFE78
702 
703 #define DUMMY_REG_RESET_0		0xFE90
704 
705 #define AUTOLOAD_CFG_BASE		0xFF00
706 
707 #define PM_CTRL1			0xFF44
708 #define PM_CTRL2			0xFF45
709 #define PM_CTRL3			0xFF46
710 #define PM_CTRL4			0xFF47
711 
712 /* Memory mapping */
713 #define SRAM_BASE			0xE600
714 #define RBUF_BASE			0xF400
715 #define PPBUF_BASE1			0xF800
716 #define PPBUF_BASE2			0xFA00
717 #define IMAGE_FLAG_ADDR0		0xCE80
718 #define IMAGE_FLAG_ADDR1		0xCE81
719 
720 /* Phy register */
721 #define PHY_PCR				0x00
722 #define PHY_RCR0			0x01
723 #define PHY_RCR1			0x02
724 #define PHY_RCR2			0x03
725 #define PHY_RTCR			0x04
726 #define PHY_RDR				0x05
727 #define PHY_TCR0			0x06
728 #define PHY_TCR1			0x07
729 #define PHY_TUNE			0x08
730 #define PHY_IMR				0x09
731 #define PHY_BPCR			0x0A
732 #define PHY_BIST			0x0B
733 #define PHY_RAW_L			0x0C
734 #define PHY_RAW_H			0x0D
735 #define PHY_RAW_DATA			0x0E
736 #define PHY_HOST_CLK_CTRL		0x0F
737 #define PHY_DMR				0x10
738 #define PHY_BACR			0x11
739 #define PHY_IER				0x12
740 #define PHY_BCSR			0x13
741 #define PHY_BPR				0x14
742 #define PHY_BPNR2			0x15
743 #define PHY_BPNR			0x16
744 #define PHY_BRNR2			0x17
745 #define PHY_BENR			0x18
746 #define PHY_REG_REV			0x19
747 #define PHY_FLD0			0x1A
748 #define PHY_FLD1			0x1B
749 #define PHY_FLD2			0x1C
750 #define PHY_FLD3			0x1D
751 #define PHY_FLD4			0x1E
752 #define PHY_DUM_REG			0x1F
753 
754 #define LCTLR				0x80
755 #define PCR_SETTING_REG1		0x724
756 #define PCR_SETTING_REG2		0x814
757 #define PCR_SETTING_REG3		0x747
758 
759 /* Phy bits */
760 #define PHY_PCR_FORCE_CODE			0xB000
761 #define PHY_PCR_OOBS_CALI_50			0x0800
762 #define PHY_PCR_OOBS_VCM_08			0x0200
763 #define PHY_PCR_OOBS_SEN_90			0x0040
764 #define PHY_PCR_RSSI_EN				0x0002
765 
766 #define PHY_RCR1_ADP_TIME			0x0100
767 #define PHY_RCR1_VCO_COARSE			0x001F
768 
769 #define PHY_RCR2_EMPHASE_EN			0x8000
770 #define PHY_RCR2_NADJR				0x4000
771 #define PHY_RCR2_CDR_CP_10			0x0400
772 #define PHY_RCR2_CDR_SR_2			0x0100
773 #define PHY_RCR2_FREQSEL_12			0x0040
774 #define PHY_RCR2_CPADJEN			0x0020
775 #define PHY_RCR2_CDR_SC_8			0x0008
776 #define PHY_RCR2_CALIB_LATE			0x0002
777 
778 #define PHY_RDR_RXDSEL_1_9			0x4000
779 
780 #define PHY_TUNE_TUNEREF_1_0			0x4000
781 #define PHY_TUNE_VBGSEL_1252			0x0C00
782 #define PHY_TUNE_SDBUS_33			0x0200
783 #define PHY_TUNE_TUNED18			0x01C0
784 #define PHY_TUNE_TUNED12			0X0020
785 
786 #define PHY_BPCR_IBRXSEL			0x0400
787 #define PHY_BPCR_IBTXSEL			0x0100
788 #define PHY_BPCR_IB_FILTER			0x0080
789 #define PHY_BPCR_CMIRROR_EN			0x0040
790 
791 #define PHY_REG_REV_RESV			0xE000
792 #define PHY_REG_REV_RXIDLE_LATCHED		0x1000
793 #define PHY_REG_REV_P1_EN			0x0800
794 #define PHY_REG_REV_RXIDLE_EN			0x0400
795 #define PHY_REG_REV_CLKREQ_DLY_TIMER_1_0	0x0040
796 #define PHY_REG_REV_STOP_CLKRD			0x0020
797 #define PHY_REG_REV_RX_PWST			0x0008
798 #define PHY_REG_REV_STOP_CLKWR			0x0004
799 
800 #define PHY_FLD3_TIMER_4			0x7800
801 #define PHY_FLD3_TIMER_6			0x00E0
802 #define PHY_FLD3_RXDELINK			0x0004
803 
804 #define PHY_FLD4_FLDEN_SEL			0x4000
805 #define PHY_FLD4_REQ_REF			0x2000
806 #define PHY_FLD4_RXAMP_OFF			0x1000
807 #define PHY_FLD4_REQ_ADDA			0x0800
808 #define PHY_FLD4_BER_COUNT			0x00E0
809 #define PHY_FLD4_BER_TIMER			0x000A
810 #define PHY_FLD4_BER_CHK_EN			0x0001
811 
812 #define rtsx_pci_init_cmd(pcr)		((pcr)->ci = 0)
813 
814 struct rtsx_pcr;
815 
816 struct pcr_handle {
817 	struct rtsx_pcr			*pcr;
818 };
819 
820 struct pcr_ops {
821 	int		(*extra_init_hw)(struct rtsx_pcr *pcr);
822 	int		(*optimize_phy)(struct rtsx_pcr *pcr);
823 	int		(*turn_on_led)(struct rtsx_pcr *pcr);
824 	int		(*turn_off_led)(struct rtsx_pcr *pcr);
825 	int		(*enable_auto_blink)(struct rtsx_pcr *pcr);
826 	int		(*disable_auto_blink)(struct rtsx_pcr *pcr);
827 	int		(*card_power_on)(struct rtsx_pcr *pcr, int card);
828 	int		(*card_power_off)(struct rtsx_pcr *pcr, int card);
829 	int		(*switch_output_voltage)(struct rtsx_pcr *pcr,
830 						u8 voltage);
831 	unsigned int	(*cd_deglitch)(struct rtsx_pcr *pcr);
832 	int		(*conv_clk_and_div_n)(int clk, int dir);
833 	void		(*fetch_vendor_settings)(struct rtsx_pcr *pcr);
834 	void		(*force_power_down)(struct rtsx_pcr *pcr, u8 pm_state);
835 };
836 
837 enum PDEV_STAT  {PDEV_STAT_IDLE, PDEV_STAT_RUN};
838 
839 struct rtsx_pcr {
840 	struct pci_dev			*pci;
841 	unsigned int			id;
842 
843 	/* pci resources */
844 	unsigned long			addr;
845 	void __iomem			*remap_addr;
846 	int				irq;
847 
848 	/* host reserved buffer */
849 	void				*rtsx_resv_buf;
850 	dma_addr_t			rtsx_resv_buf_addr;
851 
852 	void				*host_cmds_ptr;
853 	dma_addr_t			host_cmds_addr;
854 	int				ci;
855 
856 	void				*host_sg_tbl_ptr;
857 	dma_addr_t			host_sg_tbl_addr;
858 	int				sgi;
859 
860 	u32				bier;
861 	char				trans_result;
862 
863 	unsigned int			card_inserted;
864 	unsigned int			card_removed;
865 	unsigned int			card_exist;
866 
867 	struct delayed_work		carddet_work;
868 	struct delayed_work		idle_work;
869 
870 	spinlock_t			lock;
871 	struct mutex			pcr_mutex;
872 	struct completion		*done;
873 	struct completion		*finish_me;
874 
875 	unsigned int			cur_clock;
876 	bool				remove_pci;
877 	bool				msi_en;
878 
879 #define EXTRA_CAPS_SD_SDR50		(1 << 0)
880 #define EXTRA_CAPS_SD_SDR104		(1 << 1)
881 #define EXTRA_CAPS_SD_DDR50		(1 << 2)
882 #define EXTRA_CAPS_MMC_HSDDR		(1 << 3)
883 #define EXTRA_CAPS_MMC_HS200		(1 << 4)
884 #define EXTRA_CAPS_MMC_8BIT		(1 << 5)
885 	u32				extra_caps;
886 
887 #define IC_VER_A			0
888 #define IC_VER_B			1
889 #define IC_VER_C			2
890 #define IC_VER_D			3
891 	u8				ic_version;
892 
893 	u8				sd30_drive_sel_1v8;
894 	u8				sd30_drive_sel_3v3;
895 	u8				card_drive_sel;
896 #define ASPM_L1_EN			0x02
897 	u8				aspm_en;
898 
899 #define PCR_MS_PMOS			(1 << 0)
900 #define PCR_REVERSE_SOCKET		(1 << 1)
901 	u32				flags;
902 
903 	u32				tx_initial_phase;
904 	u32				rx_initial_phase;
905 
906 	const u32			*sd_pull_ctl_enable_tbl;
907 	const u32			*sd_pull_ctl_disable_tbl;
908 	const u32			*ms_pull_ctl_enable_tbl;
909 	const u32			*ms_pull_ctl_disable_tbl;
910 
911 	const struct pcr_ops		*ops;
912 	enum PDEV_STAT			state;
913 
914 	int				num_slots;
915 	struct rtsx_slot		*slots;
916 };
917 
918 #define CHK_PCI_PID(pcr, pid)		((pcr)->pci->device == (pid))
919 #define PCI_VID(pcr)			((pcr)->pci->vendor)
920 #define PCI_PID(pcr)			((pcr)->pci->device)
921 
922 #define SDR104_PHASE(val)		((val) & 0xFF)
923 #define SDR50_PHASE(val)		(((val) >> 8) & 0xFF)
924 #define DDR50_PHASE(val)		(((val) >> 16) & 0xFF)
925 #define SDR104_TX_PHASE(pcr)		SDR104_PHASE((pcr)->tx_initial_phase)
926 #define SDR50_TX_PHASE(pcr)		SDR50_PHASE((pcr)->tx_initial_phase)
927 #define DDR50_TX_PHASE(pcr)		DDR50_PHASE((pcr)->tx_initial_phase)
928 #define SDR104_RX_PHASE(pcr)		SDR104_PHASE((pcr)->rx_initial_phase)
929 #define SDR50_RX_PHASE(pcr)		SDR50_PHASE((pcr)->rx_initial_phase)
930 #define DDR50_RX_PHASE(pcr)		DDR50_PHASE((pcr)->rx_initial_phase)
931 #define SET_CLOCK_PHASE(sdr104, sdr50, ddr50)	\
932 				(((ddr50) << 16) | ((sdr50) << 8) | (sdr104))
933 
934 void rtsx_pci_start_run(struct rtsx_pcr *pcr);
935 int rtsx_pci_write_register(struct rtsx_pcr *pcr, u16 addr, u8 mask, u8 data);
936 int rtsx_pci_read_register(struct rtsx_pcr *pcr, u16 addr, u8 *data);
937 int rtsx_pci_write_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 val);
938 int rtsx_pci_read_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 *val);
939 void rtsx_pci_stop_cmd(struct rtsx_pcr *pcr);
940 void rtsx_pci_add_cmd(struct rtsx_pcr *pcr,
941 		u8 cmd_type, u16 reg_addr, u8 mask, u8 data);
942 void rtsx_pci_send_cmd_no_wait(struct rtsx_pcr *pcr);
943 int rtsx_pci_send_cmd(struct rtsx_pcr *pcr, int timeout);
944 int rtsx_pci_transfer_data(struct rtsx_pcr *pcr, struct scatterlist *sglist,
945 		int num_sg, bool read, int timeout);
946 int rtsx_pci_dma_map_sg(struct rtsx_pcr *pcr, struct scatterlist *sglist,
947 		int num_sg, bool read);
948 void rtsx_pci_dma_unmap_sg(struct rtsx_pcr *pcr, struct scatterlist *sglist,
949 		int num_sg, bool read);
950 int rtsx_pci_dma_transfer(struct rtsx_pcr *pcr, struct scatterlist *sglist,
951 		int count, bool read, int timeout);
952 int rtsx_pci_read_ppbuf(struct rtsx_pcr *pcr, u8 *buf, int buf_len);
953 int rtsx_pci_write_ppbuf(struct rtsx_pcr *pcr, u8 *buf, int buf_len);
954 int rtsx_pci_card_pull_ctl_enable(struct rtsx_pcr *pcr, int card);
955 int rtsx_pci_card_pull_ctl_disable(struct rtsx_pcr *pcr, int card);
956 int rtsx_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
957 		u8 ssc_depth, bool initial_mode, bool double_clk, bool vpclk);
958 int rtsx_pci_card_power_on(struct rtsx_pcr *pcr, int card);
959 int rtsx_pci_card_power_off(struct rtsx_pcr *pcr, int card);
960 int rtsx_pci_card_exclusive_check(struct rtsx_pcr *pcr, int card);
961 int rtsx_pci_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage);
962 unsigned int rtsx_pci_card_exist(struct rtsx_pcr *pcr);
963 void rtsx_pci_complete_unfinished_transfer(struct rtsx_pcr *pcr);
964 
rtsx_pci_get_cmd_data(struct rtsx_pcr * pcr)965 static inline u8 *rtsx_pci_get_cmd_data(struct rtsx_pcr *pcr)
966 {
967 	return (u8 *)(pcr->host_cmds_ptr);
968 }
969 
970 #endif
971