xref: /minix/minix/drivers/storage/mmc/sdhcreg.h (revision 83133719)
1 /*	$NetBSD: sdhcreg.h,v 1.6 2012/03/02 18:20:34 nonaka Exp $	*/
2 /*	$OpenBSD: sdhcreg.h,v 1.4 2006/07/30 17:20:40 fgsch Exp $	*/
3 
4 /*
5  * Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
6  *
7  * Permission to use, copy, modify, and distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 #ifndef	_SDHCREG_H_
21 #define	_SDHCREG_H_
22 
23 /* Host standard register set */
24 #define SDHC_DMA_ADDR			0x00
25 #define SDHC_BLOCK_SIZE			0x04
26 #define SDHC_BLOCK_COUNT		0x06
27 #define  SDHC_BLOCK_COUNT_MAX		512
28 #define SDHC_ARGUMENT			0x08
29 #define SDHC_TRANSFER_MODE		0x0c
30 #define  SDHC_MULTI_BLOCK_MODE		(1<<5)
31 #define  SDHC_READ_MODE			(1<<4)
32 #define  SDHC_AUTO_CMD12_ENABLE		(1<<2)
33 #define  SDHC_BLOCK_COUNT_ENABLE	(1<<1)
34 #define  SDHC_DMA_ENABLE		(1<<0)
35 #define SDHC_COMMAND			0x0e
36 /* 14-15 reserved */
37 #define  SDHC_COMMAND_INDEX_SHIFT	8
38 #define  SDHC_COMMAND_INDEX_MASK	0x3f
39 #define  SDHC_COMMAND_TYPE_ABORT	(3<<6)
40 #define  SDHC_COMMAND_TYPE_RESUME	(2<<6)
41 #define  SDHC_COMMAND_TYPE_SUSPEND	(1<<6)
42 #define  SDHC_COMMAND_TYPE_NORMAL	(0<<6)
43 #define  SDHC_DATA_PRESENT_SELECT	(1<<5)
44 #define  SDHC_INDEX_CHECK_ENABLE	(1<<4)
45 #define  SDHC_CRC_CHECK_ENABLE		(1<<3)
46 /* 2 reserved */
47 #define  SDHC_RESP_LEN_48_CHK_BUSY	(3<<0)
48 #define  SDHC_RESP_LEN_48		(2<<0)
49 #define  SDHC_RESP_LEN_136		(1<<0)
50 #define  SDHC_NO_RESPONSE		(0<<0)
51 #define SDHC_RESPONSE			0x10	/* - 0x1f */
52 #define SDHC_DATA			0x20
53 #define SDHC_PRESENT_STATE		0x24
54 /* 25-31 reserved */
55 #define  SDHC_CMD_LINE_SIGNAL_LEVEL	(1<<24)
56 #define  SDHC_DAT3_LINE_LEVEL		(1<<23)
57 #define  SDHC_DAT2_LINE_LEVEL		(1<<22)
58 #define  SDHC_DAT1_LINE_LEVEL		(1<<21)
59 #define  SDHC_DAT0_LINE_LEVEL		(1<<20)
60 #define  SDHC_WRITE_PROTECT_SWITCH	(1<<19)
61 #define  SDHC_CARD_DETECT_PIN_LEVEL	(1<<18)
62 #define  SDHC_CARD_STATE_STABLE		(1<<17)
63 #define  SDHC_CARD_INSERTED		(1<<16)
64 /* 12-15 reserved */
65 #define  SDHC_BUFFER_READ_ENABLE	(1<<11)
66 #define  SDHC_BUFFER_WRITE_ENABLE	(1<<10)
67 #define  SDHC_READ_TRANSFER_ACTIVE	(1<<9)
68 #define  SDHC_WRITE_TRANSFER_ACTIVE	(1<<8)
69 /* 3-7 reserved */
70 #define  SDHC_DAT_ACTIVE		(1<<2)
71 #define  SDHC_CMD_INHIBIT_DAT		(1<<1)
72 #define  SDHC_CMD_INHIBIT_CMD		(1<<0)
73 #define  SDHC_CMD_INHIBIT_MASK		0x0003
74 #define SDHC_HOST_CTL			0x28
75 #define  SDHC_HIGH_SPEED		(1<<2)
76 #define  SDHC_ESDHC_8BIT_MODE		(1<<2)	/* eSDHC */
77 #define  SDHC_4BIT_MODE			(1<<1)
78 #define  SDHC_LED_ON			(1<<0)
79 #define SDHC_POWER_CTL			0x29
80 #define  SDHC_VOLTAGE_SHIFT		1
81 #define  SDHC_VOLTAGE_MASK		0x07
82 #define   SDHC_VOLTAGE_3_3V		0x07
83 #define   SDHC_VOLTAGE_3_0V		0x06
84 #define   SDHC_VOLTAGE_1_8V		0x05
85 #define  SDHC_BUS_POWER			(1<<0)
86 #define SDHC_BLOCK_GAP_CTL		0x2a
87 #define SDHC_WAKEUP_CTL			0x2b
88 #define SDHC_CLOCK_CTL			0x2c
89 #define  SDHC_SDCLK_DIV_SHIFT		8
90 #define  SDHC_SDCLK_DIV_MASK		0xff
91 #define  SDHC_SDCLK_XDIV_SHIFT		6
92 #define  SDHC_SDCLK_XDIV_MASK		0x3
93 #define  SDHC_SDCLK_CGM			(1<<5)
94 #define  SDHC_SDCLK_DVS_SHIFT		4
95 #define  SDHC_SDCLK_DVS_MASK		0xf
96 #define  SDHC_SDCLK_ENABLE		(1<<2)
97 #define  SDHC_INTCLK_STABLE		(1<<1)
98 #define  SDHC_INTCLK_ENABLE		(1<<0)
99 #define SDHC_TIMEOUT_CTL		0x2e
100 #define  SDHC_TIMEOUT_MAX		0x0e
101 #define SDHC_SOFTWARE_RESET		0x2f
102 #define  SDHC_INIT_ACTIVE		(1<<3)
103 #define  SDHC_RESET_MASK		0x5
104 #define  SDHC_RESET_DAT			(1<<2)
105 #define  SDHC_RESET_CMD			(1<<1)
106 #define  SDHC_RESET_ALL			(1<<0)
107 #define SDHC_NINTR_STATUS		0x30
108 #define  SDHC_ERROR_INTERRUPT		(1<<15)
109 #define  SDHC_CARD_INTERRUPT		(1<<8)
110 #define  SDHC_CARD_REMOVAL		(1<<7)
111 #define  SDHC_CARD_INSERTION		(1<<6)
112 #define  SDHC_BUFFER_READ_READY		(1<<5)
113 #define  SDHC_BUFFER_WRITE_READY	(1<<4)
114 #define  SDHC_DMA_INTERRUPT		(1<<3)
115 #define  SDHC_BLOCK_GAP_EVENT		(1<<2)
116 #define  SDHC_TRANSFER_COMPLETE		(1<<1)
117 #define  SDHC_COMMAND_COMPLETE		(1<<0)
118 #define  SDHC_NINTR_STATUS_MASK		0x81ff
119 #define SDHC_EINTR_STATUS		0x32
120 #define  SDHC_DMA_ERROR			(1<<12)
121 #define  SDHC_AUTO_CMD12_ERROR		(1<<8)
122 #define  SDHC_CURRENT_LIMIT_ERROR	(1<<7)
123 #define  SDHC_DATA_END_BIT_ERROR	(1<<6)
124 #define  SDHC_DATA_CRC_ERROR		(1<<5)
125 #define  SDHC_DATA_TIMEOUT_ERROR	(1<<4)
126 #define  SDHC_CMD_INDEX_ERROR		(1<<3)
127 #define  SDHC_CMD_END_BIT_ERROR		(1<<2)
128 #define  SDHC_CMD_CRC_ERROR		(1<<1)
129 #define  SDHC_CMD_TIMEOUT_ERROR		(1<<0)
130 #define  SDHC_EINTR_STATUS_MASK		0x01ff	/* excluding vendor signals */
131 #define SDHC_NINTR_STATUS_EN		0x34
132 #define SDHC_EINTR_STATUS_EN		0x36
133 #define SDHC_NINTR_SIGNAL_EN		0x38
134 #define  SDHC_NINTR_SIGNAL_MASK		0x01ff
135 #define SDHC_EINTR_SIGNAL_EN		0x3a
136 #define  SDHC_EINTR_SIGNAL_MASK		0x01ff	/* excluding vendor signals */
137 #define SDHC_CMD12_ERROR_STATUS		0x3c
138 #define SDHC_CAPABILITIES		0x40
139 #define  SDHC_VOLTAGE_SUPP_1_8V		(1<<26)
140 #define  SDHC_VOLTAGE_SUPP_3_0V		(1<<25)
141 #define  SDHC_VOLTAGE_SUPP_3_3V		(1<<24)
142 #define  SDHC_DMA_SUPPORT		(1<<22)
143 #define  SDHC_HIGH_SPEED_SUPP		(1<<21)
144 #define  SDHC_MAX_BLK_LEN_512		0
145 #define  SDHC_MAX_BLK_LEN_1024		1
146 #define  SDHC_MAX_BLK_LEN_2048		2
147 #define  SDHC_MAX_BLK_LEN_4096		3
148 #define  SDHC_MAX_BLK_LEN_SHIFT		16
149 #define  SDHC_MAX_BLK_LEN_MASK		0x3
150 #define  SDHC_BASE_FREQ_SHIFT		8
151 #define  SDHC_BASE_FREQ_MASK		0x3f
152 #define  SDHC_TIMEOUT_FREQ_UNIT		(1<<7)	/* 0=KHz, 1=MHz */
153 #define  SDHC_TIMEOUT_FREQ_SHIFT	0
154 #define  SDHC_TIMEOUT_FREQ_MASK		0x1f
155 #define SDHC_MAX_CAPABILITIES		0x48
156 #define	SDHC_HOST_VER			0xFC
157 #define  SDHC_VVN_MASK			0x0f
158 #define  SDHC_VVN_SHIFT			0x04
159 #define  SDHC_SVN_MASK			0x0f
160 #define  SDHC_SVN_SHIFT			0x00
161 #define SDHC_SLOT_INTR_STATUS		0xfc
162 #define SDHC_HOST_CTL_VERSION		0xfe
163 #define  SDHC_SPEC_VERS_SHIFT		0
164 #define  SDHC_SPEC_VERS_MASK		0xff
165 #define  SDHC_VENDOR_VERS_SHIFT		8
166 #define  SDHC_VENDOR_VERS_MASK		0xff
167 #define	SDHC_DMA_CTL			0x40c	/* eSDHC */
168 #define	 SDHC_DMA_SNOOP			0x40
169 
170 /* SDHC_SPEC_VERS */
171 #define	SDHC_SPEC_VERS_100		0x00
172 #define	SDHC_SPEC_VERS_200		0x01
173 #define	SDHC_SPEC_VERS_300		0x02
174 
175 /* SDHC_CAPABILITIES decoding */
176 #define SDHC_BASE_FREQ_KHZ(cap)						\
177 	((((cap) >> SDHC_BASE_FREQ_SHIFT) & SDHC_BASE_FREQ_MASK) * 1000)
178 #define SDHC_TIMEOUT_FREQ(cap)						\
179 	(((cap) >> SDHC_TIMEOUT_FREQ_SHIFT) & SDHC_TIMEOUT_FREQ_MASK)
180 #define SDHC_TIMEOUT_FREQ_KHZ(cap)					\
181 	(((cap) & SDHC_TIMEOUT_FREQ_UNIT) ?				\
182 	    SDHC_TIMEOUT_FREQ(cap) * 1000:				\
183 	    SDHC_TIMEOUT_FREQ(cap))
184 
185 /* SDHC_HOST_CTL_VERSION decoding */
186 #define SDHC_SPEC_VERSION(hcv)						\
187 	(((hcv) >> SDHC_SPEC_VERS_SHIFT) & SDHC_SPEC_VERS_MASK)
188 #define SDHC_VENDOR_VERSION(hcv)					\
189 	(((hcv) >> SDHC_VENDOR_VERS_SHIFT) & SDHC_VENDOR_VERS_MASK)
190 
191 #define SDHC_PRESENT_STATE_BITS						\
192 	"\20\31CL\30D3L\27D2L\26D1L\25D0L\24WPS\23CD\22CSS\21CI"	\
193 	"\14BRE\13BWE\12RTA\11WTA\3DLA\2CID\1CIC"
194 #define SDHC_NINTR_STATUS_BITS						\
195 	"\20\20ERROR\11CARD\10REMOVAL\7INSERTION\6READ\5WRITE"		\
196 	"\4DMA\3GAP\2XFER\1CMD"
197 #define SDHC_EINTR_STATUS_BITS						\
198 	"\20\11ACMD12\10CL\7DEB\6DCRC\5DT\4CI\3CEB\2CCRC\1CT"
199 #define SDHC_CAPABILITIES_BITS						\
200 	"\20\33Vdd1.8V\32Vdd3.0V\31Vdd3.3V\30SUSPEND\27DMA\26HIGHSPEED"
201 
202 #endif	/* _SDHCREG_H_ */
203