summaryrefslogtreecommitdiff
path: root/sys/dev/sdmmc/sdhcreg.h
blob: 8b221e879fac7b6755bc41226448006101429b59 (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
/*	$OpenBSD: sdhcreg.h,v 1.7 2016/04/30 11:49:29 kettenis Exp $	*/

/*
 * Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _SDHCREG_H_
#define _SDHCREG_H_

/* PCI base address registers */
#define SDHC_PCI_BAR_START		PCI_MAPREG_START
#define SDHC_PCI_BAR_END		PCI_MAPREG_END

/* PCI interface classes */
#define SDHC_PCI_INTERFACE_NO_DMA	0x00
#define SDHC_PCI_INTERFACE_DMA		0x01
#define SDHC_PCI_INTERFACE_VENDOR	0x02

/* Host standard register set */
#define SDHC_DMA_ADDR			0x00
#define SDHC_BLOCK_SIZE			0x04
#define SDHC_BLOCK_COUNT		0x06
#define  SDHC_BLOCK_COUNT_MAX		512
#define SDHC_ARGUMENT			0x08
#define SDHC_TRANSFER_MODE		0x0c
#define  SDHC_MULTI_BLOCK_MODE		(1<<5)
#define  SDHC_READ_MODE			(1<<4)
#define  SDHC_AUTO_CMD12_ENABLE		(1<<2)
#define  SDHC_BLOCK_COUNT_ENABLE	(1<<1)
#define  SDHC_DMA_ENABLE		(1<<0)
#define SDHC_COMMAND			0x0e
/* 14-15 reserved */
#define  SDHC_COMMAND_INDEX_SHIFT	8
#define  SDHC_COMMAND_INDEX_MASK	0x3f
#define  SDHC_COMMAND_TYPE_ABORT	(3<<6)
#define  SDHC_COMMAND_TYPE_RESUME	(2<<6)
#define  SDHC_COMMAND_TYPE_SUSPEND	(1<<6)
#define  SDHC_COMMAND_TYPE_NORMAL	(0<<6)
#define  SDHC_DATA_PRESENT_SELECT	(1<<5)
#define  SDHC_INDEX_CHECK_ENABLE	(1<<4)
#define  SDHC_CRC_CHECK_ENABLE		(1<<3)
/* 2 reserved */
#define  SDHC_RESP_LEN_48_CHK_BUSY	(3<<0)
#define  SDHC_RESP_LEN_48		(2<<0)
#define  SDHC_RESP_LEN_136		(1<<0)
#define  SDHC_NO_RESPONSE		(0<<0)
#define SDHC_RESPONSE			0x10	/* - 0x1f */
#define SDHC_DATA			0x20
#define SDHC_PRESENT_STATE		0x24
/* 25-31 reserved */
#define  SDHC_CMD_LINE_SIGNAL_LEVEL	(1<<24)
#define  SDHC_DAT3_LINE_LEVEL		(1<<23)
#define  SDHC_DAT2_LINE_LEVEL		(1<<22)
#define  SDHC_DAT1_LINE_LEVEL		(1<<21)
#define  SDHC_DAT0_LINE_LEVEL		(1<<20)
#define  SDHC_WRITE_PROTECT_SWITCH	(1<<19)
#define  SDHC_CARD_DETECT_PIN_LEVEL	(1<<18)
#define  SDHC_CARD_STATE_STABLE		(1<<17)
#define  SDHC_CARD_INSERTED		(1<<16)
/* 12-15 reserved */
#define  SDHC_BUFFER_READ_ENABLE	(1<<11)
#define  SDHC_BUFFER_WRITE_ENABLE	(1<<10)
#define  SDHC_READ_TRANSFER_ACTIVE	(1<<9)
#define  SDHC_WRITE_TRANSFER_ACTIVE	(1<<8)
/* 3-7 reserved */
#define  SDHC_DAT_ACTIVE		(1<<2)
#define  SDHC_CMD_INHIBIT_DAT		(1<<1)
#define  SDHC_CMD_INHIBIT_CMD		(1<<0)
#define  SDHC_CMD_INHIBIT_MASK		0x0003
#define SDHC_HOST_CTL			0x28
#define  SDHC_8BIT_MODE			(1<<5)
#define  SDHC_DMA_SELECT		(3<<3)
#define  SDHC_DMA_SELECT_SDMA		(0<<3)
#define  SDHC_DMA_SELECT_ADMA2		(2<<3)
#define  SDHC_HIGH_SPEED		(1<<2)
#define  SDHC_4BIT_MODE			(1<<1)
#define  SDHC_LED_ON			(1<<0)
#define SDHC_POWER_CTL			0x29
#define  SDHC_VOLTAGE_SHIFT		1
#define  SDHC_VOLTAGE_MASK		0x07
#define   SDHC_VOLTAGE_3_3V		0x07
#define   SDHC_VOLTAGE_3_0V		0x06
#define   SDHC_VOLTAGE_1_8V		0x05
#define  SDHC_BUS_POWER			(1<<0)
#define SDHC_BLOCK_GAP_CTL		0x2a
#define SDHC_WAKEUP_CTL			0x2b
#define SDHC_CLOCK_CTL			0x2c
#define  SDHC_SDCLK_DIV_SHIFT		8
#define  SDHC_SDCLK_DIV_MASK		0xff
#define  SDHC_SDCLK_DIV_RSHIFT_V3	2
#define  SDHC_SDCLK_DIV_MASK_V3		0x300
#define  SDHC_SDCLK_ENABLE		(1<<2)
#define  SDHC_INTCLK_STABLE		(1<<1)
#define  SDHC_INTCLK_ENABLE		(1<<0)
#define SDHC_TIMEOUT_CTL		0x2e
#define  SDHC_TIMEOUT_MAX		0x0e
#define SDHC_SOFTWARE_RESET		0x2f
#define  SDHC_RESET_MASK		0x5
#define  SDHC_RESET_DAT			(1<<2)
#define  SDHC_RESET_CMD			(1<<1)
#define  SDHC_RESET_ALL			(1<<0)
#define SDHC_NINTR_STATUS		0x30
#define  SDHC_ERROR_INTERRUPT		(1<<15)
#define  SDHC_RETUNING_EVENT		(1<<12)
#define  SDHC_CARD_INTERRUPT		(1<<8)
#define  SDHC_CARD_REMOVAL		(1<<7)
#define  SDHC_CARD_INSERTION		(1<<6)
#define  SDHC_BUFFER_READ_READY		(1<<5)
#define  SDHC_BUFFER_WRITE_READY	(1<<4)
#define  SDHC_DMA_INTERRUPT		(1<<3)
#define  SDHC_BLOCK_GAP_EVENT		(1<<2)
#define  SDHC_TRANSFER_COMPLETE		(1<<1)
#define  SDHC_COMMAND_COMPLETE		(1<<0)
#define  SDHC_NINTR_STATUS_MASK		0x91ff
#define SDHC_EINTR_STATUS		0x32
#define  SDHC_ADMA_ERROR		(1<<9)
#define  SDHC_AUTO_CMD12_ERROR		(1<<8)
#define  SDHC_CURRENT_LIMIT_ERROR	(1<<7)
#define  SDHC_DATA_END_BIT_ERROR	(1<<6)
#define  SDHC_DATA_CRC_ERROR		(1<<5)
#define  SDHC_DATA_TIMEOUT_ERROR	(1<<4)
#define  SDHC_CMD_INDEX_ERROR		(1<<3)
#define  SDHC_CMD_END_BIT_ERROR		(1<<2)
#define  SDHC_CMD_CRC_ERROR		(1<<1)
#define  SDHC_CMD_TIMEOUT_ERROR		(1<<0)
#define  SDHC_EINTR_STATUS_MASK		0x03ff	/* excluding vendor signals */
#define SDHC_NINTR_STATUS_EN		0x34
#define SDHC_EINTR_STATUS_EN		0x36
#define SDHC_NINTR_SIGNAL_EN		0x38
#define  SDHC_NINTR_SIGNAL_MASK		0x01ff
#define SDHC_EINTR_SIGNAL_EN		0x3a
#define  SDHC_EINTR_SIGNAL_MASK		0x03ff	/* excluding vendor signals */
#define SDHC_CMD12_ERROR_STATUS		0x3c
#define SDHC_HOST_CTL2			0x3e
#define  SDHC_SAMPLING_CLOCK_SEL	(1<<7)
#define  SDHC_EXECUTE_TUNING		(1<<6)
#define  SDHC_1_8V_SIGNAL_EN		(1<<3)
#define  SDHC_UHS_MODE_SELECT_SHIFT	0
#define  SDHC_UHS_MODE_SELECT_MASK	0x7
#define  SDHC_UHS_MODE_SELECT_SDR12	0
#define  SDHC_UHS_MODE_SELECT_SDR25	1
#define  SDHC_UHS_MODE_SELECT_SDR50	2
#define  SDHC_UHS_MODE_SELECT_SDR104	3
#define  SDHC_UHS_MODE_SELECT_DDR50	4
#define SDHC_CAPABILITIES		0x40
#define  SDHC_VOLTAGE_SUPP_1_8V		(1<<26)
#define  SDHC_VOLTAGE_SUPP_3_0V		(1<<25)
#define  SDHC_VOLTAGE_SUPP_3_3V		(1<<24)
#define  SDHC_SDMA_SUPP			(1<<22)
#define  SDHC_HIGH_SPEED_SUPP		(1<<21)
#define  SDHC_ADMA2_SUPP		(1<<19)
#define  SDHC_8BIT_MODE_SUPP		(1<<18)
#define  SDHC_MAX_BLK_LEN_512		0
#define  SDHC_MAX_BLK_LEN_1024		1
#define  SDHC_MAX_BLK_LEN_2048		2
#define  SDHC_MAX_BLK_LEN_SHIFT		16
#define  SDHC_MAX_BLK_LEN_MASK		0x3
#define  SDHC_BASE_FREQ_SHIFT		8
#define  SDHC_BASE_FREQ_MASK		0x3f
#define  SDHC_BASE_FREQ_MASK_V3		0xff
#define  SDHC_TIMEOUT_FREQ_UNIT		(1<<7)	/* 0=KHz, 1=MHz */
#define  SDHC_TIMEOUT_FREQ_SHIFT	0
#define  SDHC_TIMEOUT_FREQ_MASK		0x1f
#define SDHC_CAPABILITIES2		0x44
#define  SDHC_SDR50_SUPP		(1<<0)
#define  SDHC_SDR104_SUPP		(1<<1)
#define  SDHC_DDR50_SUPP		(1<<2)
#define  SDHC_DRIVER_TYPE_A		(1<<4)
#define  SDHC_DRIVER_TYPE_C		(1<<5)
#define  SDHC_DRIVER_TYPE_D		(1<<6)
#define  SDHC_TIMER_COUNT_SHIFT		8
#define  SDHC_TIMER_COUNT_MASK		0xf
#define  SDHC_TUNING_SDR50		(1<<13)
#define  SDHC_RETUNING_MODES_SHIFT	14
#define  SDHC_RETUNING_MODES_MASK	0x3
#define  SDHC_RETUNING_MODE_1		(0 << SDHC_RETUNING_MODES_SHIFT)
#define  SDHC_RETUNING_MODE_2		(1 << SDHC_RETUNING_MODES_SHIFT)
#define  SDHC_RETUNING_MODE_3		(2 << SDHC_RETUNING_MODES_SHIFT)
#define  SDHC_CLOCK_MULTIPLIER_SHIFT	16
#define  SDHC_CLOCK_MULTIPLIER_MASK	0xff
#define SDHC_ADMA_ERROR_STATUS		0x54
#define  SDHC_ADMA_LENGTH_MISMATCH	(1<<2)
#define  SDHC_ADMA_ERROR_STATE		(3<<0)
#define SDHC_ADMA_SYSTEM_ADDR		0x58
#define SDHC_MAX_CAPABILITIES		0x48
#define SDHC_SLOT_INTR_STATUS		0xfc
#define SDHC_HOST_CTL_VERSION		0xfe
#define  SDHC_SPEC_VERS_SHIFT		0
#define  SDHC_SPEC_VERS_MASK		0xff
#define  SDHC_VENDOR_VERS_SHIFT		8
#define  SDHC_VENDOR_VERS_MASK		0xff
#define  SDHC_SPEC_V1			0
#define  SDHC_SPEC_V2			1
#define  SDHC_SPEC_V3			2

/* SDHC_CLOCK_CTL encoding */
#define SDHC_SDCLK_DIV(div)						\
	(((div) & SDHC_SDCLK_DIV_MASK) << SDHC_SDCLK_DIV_SHIFT)
#define SDHC_SDCLK_DIV_V3(div)						\
	(SDHC_SDCLK_DIV(div) |						\
	(((div) & SDHC_SDCLK_DIV_MASK_V3) >> SDHC_SDCLK_DIV_RSHIFT_V3))

/* SDHC_CAPABILITIES decoding */
#define SDHC_BASE_FREQ_KHZ(cap)						\
	((((cap) >> SDHC_BASE_FREQ_SHIFT) & SDHC_BASE_FREQ_MASK) * 1000)
#define SDHC_BASE_FREQ_KHZ_V3(cap)					\
	((((cap) >> SDHC_BASE_FREQ_SHIFT) & SDHC_BASE_FREQ_MASK_V3) * 1000)
#define SDHC_TIMEOUT_FREQ(cap)						\
	(((cap) >> SDHC_TIMEOUT_FREQ_SHIFT) & SDHC_TIMEOUT_FREQ_MASK)
#define SDHC_TIMEOUT_FREQ_KHZ(cap)					\
	(((cap) & SDHC_TIMEOUT_FREQ_UNIT) ?				\
	    SDHC_TIMEOUT_FREQ(cap) * 1000:				\
	    SDHC_TIMEOUT_FREQ(cap))

/* SDHC_HOST_CTL_VERSION decoding */
#define SDHC_SPEC_VERSION(hcv)						\
	(((hcv) >> SDHC_SPEC_VERS_SHIFT) & SDHC_SPEC_VERS_MASK)
#define SDHC_VENDOR_VERSION(hcv)					\
	(((hcv) >> SDHC_VENDOR_VERS_SHIFT) & SDHC_VENDOR_VERS_MASK)

#define SDHC_PRESENT_STATE_BITS						\
	"\20\31CL\30D3L\27D2L\26D1L\25D0L\24WPS\23CD\22CSS\21CI"	\
	"\14BRE\13BWE\12RTA\11WTA\3DLA\2CID\1CIC"
#define SDHC_NINTR_STATUS_BITS						\
	"\20\20ERROR\11CARD\10REMOVAL\7INSERTION\6READ\5WRITE"		\
	"\4DMA\3GAP\2XFER\1CMD"
#define SDHC_EINTR_STATUS_BITS						\
	"\20\11ACMD12\10CL\7DEB\6DCRC\5DT\4CI\3CEB\2CCRC\1CT"
#define SDHC_CAPABILITIES_BITS						\
	"\20\33Vdd1.8V\32Vdd3.0V\31Vdd3.3V\30SUSPEND\27DMA\26HIGHSPEED"

#define SDHC_ADMA2_VALID	(1<<0)
#define SDHC_ADMA2_END		(1<<1)
#define SDHC_ADMA2_INT		(1<<2)
#define SDHC_ADMA2_ACT		(3<<4)
#define SDHC_ADMA2_ACT_NOP	(0<<4)
#define SDHC_ADMA2_ACT_TRANS	(2<<4)
#define SDHC_ADMA2_ACT_LINK	(3<<4)

struct sdhc_adma2_descriptor32 {
	uint16_t	attribute;
	uint16_t	length;
	uint32_t	address;
} __packed;

#endif