Commit | Line | Data |
---|---|---|
d129bceb | 1 | /* |
70f10482 | 2 | * linux/drivers/mmc/host/sdhci.h - Secure Digital Host Controller Interface driver |
d129bceb | 3 | * |
1978fda8 GC |
4 | * Header file for Host Controller registers and I/O accessors. |
5 | * | |
b69c9058 | 6 | * Copyright (C) 2005-2008 Pierre Ossman, All Rights Reserved. |
d129bceb PO |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
643f720c PO |
9 | * it under the terms of the GNU General Public License as published by |
10 | * the Free Software Foundation; either version 2 of the License, or (at | |
11 | * your option) any later version. | |
d129bceb | 12 | */ |
1978fda8 GC |
13 | #ifndef __SDHCI_HW_H |
14 | #define __SDHCI_HW_H | |
d129bceb | 15 | |
0c7ad106 | 16 | #include <linux/scatterlist.h> |
4e4141a5 AV |
17 | #include <linux/compiler.h> |
18 | #include <linux/types.h> | |
19 | #include <linux/io.h> | |
0c7ad106 | 20 | |
1978fda8 GC |
21 | #include <linux/mmc/sdhci.h> |
22 | ||
d129bceb PO |
23 | /* |
24 | * Controller registers | |
25 | */ | |
26 | ||
27 | #define SDHCI_DMA_ADDRESS 0x00 | |
8edf6371 | 28 | #define SDHCI_ARGUMENT2 SDHCI_DMA_ADDRESS |
d129bceb PO |
29 | |
30 | #define SDHCI_BLOCK_SIZE 0x04 | |
bab76961 | 31 | #define SDHCI_MAKE_BLKSZ(dma, blksz) (((dma & 0x7) << 12) | (blksz & 0xFFF)) |
d129bceb PO |
32 | |
33 | #define SDHCI_BLOCK_COUNT 0x06 | |
34 | ||
35 | #define SDHCI_ARGUMENT 0x08 | |
36 | ||
37 | #define SDHCI_TRANSFER_MODE 0x0C | |
38 | #define SDHCI_TRNS_DMA 0x01 | |
39 | #define SDHCI_TRNS_BLK_CNT_EN 0x02 | |
e89d456f | 40 | #define SDHCI_TRNS_AUTO_CMD12 0x04 |
8edf6371 | 41 | #define SDHCI_TRNS_AUTO_CMD23 0x08 |
d129bceb PO |
42 | #define SDHCI_TRNS_READ 0x10 |
43 | #define SDHCI_TRNS_MULTI 0x20 | |
44 | ||
45 | #define SDHCI_COMMAND 0x0E | |
46 | #define SDHCI_CMD_RESP_MASK 0x03 | |
47 | #define SDHCI_CMD_CRC 0x08 | |
48 | #define SDHCI_CMD_INDEX 0x10 | |
49 | #define SDHCI_CMD_DATA 0x20 | |
574e3f56 | 50 | #define SDHCI_CMD_ABORTCMD 0xC0 |
d129bceb PO |
51 | |
52 | #define SDHCI_CMD_RESP_NONE 0x00 | |
53 | #define SDHCI_CMD_RESP_LONG 0x01 | |
54 | #define SDHCI_CMD_RESP_SHORT 0x02 | |
55 | #define SDHCI_CMD_RESP_SHORT_BUSY 0x03 | |
56 | ||
57 | #define SDHCI_MAKE_CMD(c, f) (((c & 0xff) << 8) | (f & 0xff)) | |
22113efd | 58 | #define SDHCI_GET_CMD(c) ((c>>8) & 0x3f) |
d129bceb PO |
59 | |
60 | #define SDHCI_RESPONSE 0x10 | |
61 | ||
62 | #define SDHCI_BUFFER 0x20 | |
63 | ||
64 | #define SDHCI_PRESENT_STATE 0x24 | |
65 | #define SDHCI_CMD_INHIBIT 0x00000001 | |
66 | #define SDHCI_DATA_INHIBIT 0x00000002 | |
67 | #define SDHCI_DOING_WRITE 0x00000100 | |
68 | #define SDHCI_DOING_READ 0x00000200 | |
69 | #define SDHCI_SPACE_AVAILABLE 0x00000400 | |
70 | #define SDHCI_DATA_AVAILABLE 0x00000800 | |
71 | #define SDHCI_CARD_PRESENT 0x00010000 | |
72 | #define SDHCI_WRITE_PROTECT 0x00080000 | |
f2119df6 AN |
73 | #define SDHCI_DATA_LVL_MASK 0x00F00000 |
74 | #define SDHCI_DATA_LVL_SHIFT 20 | |
7756a96d | 75 | #define SDHCI_DATA_0_LVL_MASK 0x00100000 |
d129bceb | 76 | |
d6d50a15 | 77 | #define SDHCI_HOST_CONTROL 0x28 |
d129bceb PO |
78 | #define SDHCI_CTRL_LED 0x01 |
79 | #define SDHCI_CTRL_4BITBUS 0x02 | |
077df884 | 80 | #define SDHCI_CTRL_HISPD 0x04 |
2134a922 PO |
81 | #define SDHCI_CTRL_DMA_MASK 0x18 |
82 | #define SDHCI_CTRL_SDMA 0x00 | |
83 | #define SDHCI_CTRL_ADMA1 0x08 | |
84 | #define SDHCI_CTRL_ADMA32 0x10 | |
85 | #define SDHCI_CTRL_ADMA64 0x18 | |
15ec4461 | 86 | #define SDHCI_CTRL_8BITBUS 0x20 |
d129bceb PO |
87 | |
88 | #define SDHCI_POWER_CONTROL 0x29 | |
146ad66e PO |
89 | #define SDHCI_POWER_ON 0x01 |
90 | #define SDHCI_POWER_180 0x0A | |
91 | #define SDHCI_POWER_300 0x0C | |
92 | #define SDHCI_POWER_330 0x0E | |
d129bceb PO |
93 | |
94 | #define SDHCI_BLOCK_GAP_CONTROL 0x2A | |
95 | ||
2df3b71b | 96 | #define SDHCI_WAKE_UP_CONTROL 0x2B |
5f619704 DD |
97 | #define SDHCI_WAKE_ON_INT 0x01 |
98 | #define SDHCI_WAKE_ON_INSERT 0x02 | |
99 | #define SDHCI_WAKE_ON_REMOVE 0x04 | |
d129bceb PO |
100 | |
101 | #define SDHCI_CLOCK_CONTROL 0x2C | |
102 | #define SDHCI_DIVIDER_SHIFT 8 | |
85105c53 ZG |
103 | #define SDHCI_DIVIDER_HI_SHIFT 6 |
104 | #define SDHCI_DIV_MASK 0xFF | |
105 | #define SDHCI_DIV_MASK_LEN 8 | |
106 | #define SDHCI_DIV_HI_MASK 0x300 | |
c3ed3877 | 107 | #define SDHCI_PROG_CLOCK_MODE 0x0020 |
d129bceb PO |
108 | #define SDHCI_CLOCK_CARD_EN 0x0004 |
109 | #define SDHCI_CLOCK_INT_STABLE 0x0002 | |
110 | #define SDHCI_CLOCK_INT_EN 0x0001 | |
111 | ||
112 | #define SDHCI_TIMEOUT_CONTROL 0x2E | |
113 | ||
114 | #define SDHCI_SOFTWARE_RESET 0x2F | |
115 | #define SDHCI_RESET_ALL 0x01 | |
116 | #define SDHCI_RESET_CMD 0x02 | |
117 | #define SDHCI_RESET_DATA 0x04 | |
118 | ||
119 | #define SDHCI_INT_STATUS 0x30 | |
120 | #define SDHCI_INT_ENABLE 0x34 | |
121 | #define SDHCI_SIGNAL_ENABLE 0x38 | |
122 | #define SDHCI_INT_RESPONSE 0x00000001 | |
123 | #define SDHCI_INT_DATA_END 0x00000002 | |
a4071fbb | 124 | #define SDHCI_INT_BLK_GAP 0x00000004 |
d129bceb | 125 | #define SDHCI_INT_DMA_END 0x00000008 |
a406f5a3 PO |
126 | #define SDHCI_INT_SPACE_AVAIL 0x00000010 |
127 | #define SDHCI_INT_DATA_AVAIL 0x00000020 | |
d129bceb PO |
128 | #define SDHCI_INT_CARD_INSERT 0x00000040 |
129 | #define SDHCI_INT_CARD_REMOVE 0x00000080 | |
130 | #define SDHCI_INT_CARD_INT 0x00000100 | |
964f9ce2 | 131 | #define SDHCI_INT_ERROR 0x00008000 |
d129bceb PO |
132 | #define SDHCI_INT_TIMEOUT 0x00010000 |
133 | #define SDHCI_INT_CRC 0x00020000 | |
134 | #define SDHCI_INT_END_BIT 0x00040000 | |
135 | #define SDHCI_INT_INDEX 0x00080000 | |
136 | #define SDHCI_INT_DATA_TIMEOUT 0x00100000 | |
137 | #define SDHCI_INT_DATA_CRC 0x00200000 | |
138 | #define SDHCI_INT_DATA_END_BIT 0x00400000 | |
139 | #define SDHCI_INT_BUS_POWER 0x00800000 | |
140 | #define SDHCI_INT_ACMD12ERR 0x01000000 | |
2134a922 | 141 | #define SDHCI_INT_ADMA_ERROR 0x02000000 |
d129bceb PO |
142 | |
143 | #define SDHCI_INT_NORMAL_MASK 0x00007FFF | |
144 | #define SDHCI_INT_ERROR_MASK 0xFFFF8000 | |
145 | ||
146 | #define SDHCI_INT_CMD_MASK (SDHCI_INT_RESPONSE | SDHCI_INT_TIMEOUT | \ | |
147 | SDHCI_INT_CRC | SDHCI_INT_END_BIT | SDHCI_INT_INDEX) | |
148 | #define SDHCI_INT_DATA_MASK (SDHCI_INT_DATA_END | SDHCI_INT_DMA_END | \ | |
a406f5a3 | 149 | SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \ |
d129bceb | 150 | SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \ |
a4071fbb HZ |
151 | SDHCI_INT_DATA_END_BIT | SDHCI_INT_ADMA_ERROR | \ |
152 | SDHCI_INT_BLK_GAP) | |
7260cf5e | 153 | #define SDHCI_INT_ALL_MASK ((unsigned int)-1) |
d129bceb PO |
154 | |
155 | #define SDHCI_ACMD12_ERR 0x3C | |
156 | ||
f2119df6 | 157 | #define SDHCI_HOST_CONTROL2 0x3E |
49c468fc AN |
158 | #define SDHCI_CTRL_UHS_MASK 0x0007 |
159 | #define SDHCI_CTRL_UHS_SDR12 0x0000 | |
160 | #define SDHCI_CTRL_UHS_SDR25 0x0001 | |
161 | #define SDHCI_CTRL_UHS_SDR50 0x0002 | |
162 | #define SDHCI_CTRL_UHS_SDR104 0x0003 | |
163 | #define SDHCI_CTRL_UHS_DDR50 0x0004 | |
069c9f14 | 164 | #define SDHCI_CTRL_HS_SDR200 0x0005 /* reserved value in SDIO spec */ |
f2119df6 | 165 | #define SDHCI_CTRL_VDD_180 0x0008 |
d6d50a15 AN |
166 | #define SDHCI_CTRL_DRV_TYPE_MASK 0x0030 |
167 | #define SDHCI_CTRL_DRV_TYPE_B 0x0000 | |
168 | #define SDHCI_CTRL_DRV_TYPE_A 0x0010 | |
169 | #define SDHCI_CTRL_DRV_TYPE_C 0x0020 | |
170 | #define SDHCI_CTRL_DRV_TYPE_D 0x0030 | |
b513ea25 AN |
171 | #define SDHCI_CTRL_EXEC_TUNING 0x0040 |
172 | #define SDHCI_CTRL_TUNED_CLK 0x0080 | |
d6d50a15 | 173 | #define SDHCI_CTRL_PRESET_VAL_ENABLE 0x8000 |
d129bceb PO |
174 | |
175 | #define SDHCI_CAPABILITIES 0x40 | |
1c8cde92 PO |
176 | #define SDHCI_TIMEOUT_CLK_MASK 0x0000003F |
177 | #define SDHCI_TIMEOUT_CLK_SHIFT 0 | |
178 | #define SDHCI_TIMEOUT_CLK_UNIT 0x00000080 | |
d129bceb | 179 | #define SDHCI_CLOCK_BASE_MASK 0x00003F00 |
c4687d5f | 180 | #define SDHCI_CLOCK_V3_BASE_MASK 0x0000FF00 |
d129bceb | 181 | #define SDHCI_CLOCK_BASE_SHIFT 8 |
1d676e02 PO |
182 | #define SDHCI_MAX_BLOCK_MASK 0x00030000 |
183 | #define SDHCI_MAX_BLOCK_SHIFT 16 | |
15ec4461 | 184 | #define SDHCI_CAN_DO_8BIT 0x00040000 |
2134a922 PO |
185 | #define SDHCI_CAN_DO_ADMA2 0x00080000 |
186 | #define SDHCI_CAN_DO_ADMA1 0x00100000 | |
077df884 | 187 | #define SDHCI_CAN_DO_HISPD 0x00200000 |
a13abc7b | 188 | #define SDHCI_CAN_DO_SDMA 0x00400000 |
146ad66e PO |
189 | #define SDHCI_CAN_VDD_330 0x01000000 |
190 | #define SDHCI_CAN_VDD_300 0x02000000 | |
191 | #define SDHCI_CAN_VDD_180 0x04000000 | |
2134a922 | 192 | #define SDHCI_CAN_64BIT 0x10000000 |
d129bceb | 193 | |
f2119df6 AN |
194 | #define SDHCI_SUPPORT_SDR50 0x00000001 |
195 | #define SDHCI_SUPPORT_SDR104 0x00000002 | |
196 | #define SDHCI_SUPPORT_DDR50 0x00000004 | |
d6d50a15 AN |
197 | #define SDHCI_DRIVER_TYPE_A 0x00000010 |
198 | #define SDHCI_DRIVER_TYPE_C 0x00000020 | |
199 | #define SDHCI_DRIVER_TYPE_D 0x00000040 | |
cf2b5eea AN |
200 | #define SDHCI_RETUNING_TIMER_COUNT_MASK 0x00000F00 |
201 | #define SDHCI_RETUNING_TIMER_COUNT_SHIFT 8 | |
202 | #define SDHCI_USE_SDR50_TUNING 0x00002000 | |
203 | #define SDHCI_RETUNING_MODE_MASK 0x0000C000 | |
204 | #define SDHCI_RETUNING_MODE_SHIFT 14 | |
c3ed3877 AN |
205 | #define SDHCI_CLOCK_MUL_MASK 0x00FF0000 |
206 | #define SDHCI_CLOCK_MUL_SHIFT 16 | |
f2119df6 | 207 | |
e8120ad1 | 208 | #define SDHCI_CAPABILITIES_1 0x44 |
d129bceb | 209 | |
f2119df6 | 210 | #define SDHCI_MAX_CURRENT 0x48 |
bad37e1a | 211 | #define SDHCI_MAX_CURRENT_LIMIT 0xFF |
f2119df6 AN |
212 | #define SDHCI_MAX_CURRENT_330_MASK 0x0000FF |
213 | #define SDHCI_MAX_CURRENT_330_SHIFT 0 | |
214 | #define SDHCI_MAX_CURRENT_300_MASK 0x00FF00 | |
215 | #define SDHCI_MAX_CURRENT_300_SHIFT 8 | |
216 | #define SDHCI_MAX_CURRENT_180_MASK 0xFF0000 | |
217 | #define SDHCI_MAX_CURRENT_180_SHIFT 16 | |
218 | #define SDHCI_MAX_CURRENT_MULTIPLIER 4 | |
d129bceb PO |
219 | |
220 | /* 4C-4F reserved for more max current */ | |
221 | ||
2134a922 PO |
222 | #define SDHCI_SET_ACMD12_ERROR 0x50 |
223 | #define SDHCI_SET_INT_ERROR 0x52 | |
224 | ||
225 | #define SDHCI_ADMA_ERROR 0x54 | |
226 | ||
227 | /* 55-57 reserved */ | |
228 | ||
229 | #define SDHCI_ADMA_ADDRESS 0x58 | |
230 | ||
231 | /* 60-FB reserved */ | |
d129bceb | 232 | |
52983382 KL |
233 | #define SDHCI_PRESET_FOR_SDR12 0x66 |
234 | #define SDHCI_PRESET_FOR_SDR25 0x68 | |
235 | #define SDHCI_PRESET_FOR_SDR50 0x6A | |
236 | #define SDHCI_PRESET_FOR_SDR104 0x6C | |
237 | #define SDHCI_PRESET_FOR_DDR50 0x6E | |
238 | #define SDHCI_PRESET_DRV_MASK 0xC000 | |
239 | #define SDHCI_PRESET_DRV_SHIFT 14 | |
240 | #define SDHCI_PRESET_CLKGEN_SEL_MASK 0x400 | |
241 | #define SDHCI_PRESET_CLKGEN_SEL_SHIFT 10 | |
242 | #define SDHCI_PRESET_SDCLK_FREQ_MASK 0x3FF | |
243 | #define SDHCI_PRESET_SDCLK_FREQ_SHIFT 0 | |
244 | ||
d129bceb PO |
245 | #define SDHCI_SLOT_INT_STATUS 0xFC |
246 | ||
247 | #define SDHCI_HOST_VERSION 0xFE | |
4a965505 PO |
248 | #define SDHCI_VENDOR_VER_MASK 0xFF00 |
249 | #define SDHCI_VENDOR_VER_SHIFT 8 | |
250 | #define SDHCI_SPEC_VER_MASK 0x00FF | |
251 | #define SDHCI_SPEC_VER_SHIFT 0 | |
2134a922 PO |
252 | #define SDHCI_SPEC_100 0 |
253 | #define SDHCI_SPEC_200 1 | |
85105c53 | 254 | #define SDHCI_SPEC_300 2 |
d129bceb | 255 | |
0397526d ZG |
256 | /* |
257 | * End of controller registers. | |
258 | */ | |
259 | ||
260 | #define SDHCI_MAX_DIV_SPEC_200 256 | |
261 | #define SDHCI_MAX_DIV_SPEC_300 2046 | |
262 | ||
f6a03cbf MV |
263 | /* |
264 | * Host SDMA buffer boundary. Valid values from 4K to 512K in powers of 2. | |
265 | */ | |
266 | #define SDHCI_DEFAULT_BOUNDARY_SIZE (512 * 1024) | |
267 | #define SDHCI_DEFAULT_BOUNDARY_ARG (ilog2(SDHCI_DEFAULT_BOUNDARY_SIZE) - 12) | |
268 | ||
b8c86fc5 | 269 | struct sdhci_ops { |
4e4141a5 | 270 | #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS |
dc297c92 MF |
271 | u32 (*read_l)(struct sdhci_host *host, int reg); |
272 | u16 (*read_w)(struct sdhci_host *host, int reg); | |
273 | u8 (*read_b)(struct sdhci_host *host, int reg); | |
274 | void (*write_l)(struct sdhci_host *host, u32 val, int reg); | |
275 | void (*write_w)(struct sdhci_host *host, u16 val, int reg); | |
276 | void (*write_b)(struct sdhci_host *host, u8 val, int reg); | |
4e4141a5 AV |
277 | #endif |
278 | ||
8114634c AV |
279 | void (*set_clock)(struct sdhci_host *host, unsigned int clock); |
280 | ||
b8c86fc5 | 281 | int (*enable_dma)(struct sdhci_host *host); |
4240ff0a | 282 | unsigned int (*get_max_clock)(struct sdhci_host *host); |
a9e58f25 | 283 | unsigned int (*get_min_clock)(struct sdhci_host *host); |
4240ff0a | 284 | unsigned int (*get_timeout_clock)(struct sdhci_host *host); |
a6ff5aeb | 285 | unsigned int (*get_max_timeout_count)(struct sdhci_host *host); |
b45e668a AD |
286 | void (*set_timeout)(struct sdhci_host *host, |
287 | struct mmc_command *cmd); | |
2317f56c | 288 | void (*set_bus_width)(struct sdhci_host *host, int width); |
643a81ff PR |
289 | void (*platform_send_init_74_clocks)(struct sdhci_host *host, |
290 | u8 power_mode); | |
2dfb579c | 291 | unsigned int (*get_ro)(struct sdhci_host *host); |
03231f9b | 292 | void (*reset)(struct sdhci_host *host, u8 mask); |
45251812 | 293 | int (*platform_execute_tuning)(struct sdhci_host *host, u32 opcode); |
13e64501 | 294 | void (*set_uhs_signaling)(struct sdhci_host *host, unsigned int uhs); |
20758b66 | 295 | void (*hw_reset)(struct sdhci_host *host); |
a4071fbb | 296 | void (*adma_workaround)(struct sdhci_host *host, u32 intmask); |
63ef5d8c | 297 | void (*platform_init)(struct sdhci_host *host); |
722e1280 | 298 | void (*card_event)(struct sdhci_host *host); |
d129bceb | 299 | }; |
b8c86fc5 | 300 | |
4e4141a5 AV |
301 | #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS |
302 | ||
303 | static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg) | |
304 | { | |
dc297c92 MF |
305 | if (unlikely(host->ops->write_l)) |
306 | host->ops->write_l(host, val, reg); | |
4e4141a5 AV |
307 | else |
308 | writel(val, host->ioaddr + reg); | |
309 | } | |
310 | ||
311 | static inline void sdhci_writew(struct sdhci_host *host, u16 val, int reg) | |
312 | { | |
dc297c92 MF |
313 | if (unlikely(host->ops->write_w)) |
314 | host->ops->write_w(host, val, reg); | |
4e4141a5 AV |
315 | else |
316 | writew(val, host->ioaddr + reg); | |
317 | } | |
318 | ||
319 | static inline void sdhci_writeb(struct sdhci_host *host, u8 val, int reg) | |
320 | { | |
dc297c92 MF |
321 | if (unlikely(host->ops->write_b)) |
322 | host->ops->write_b(host, val, reg); | |
4e4141a5 AV |
323 | else |
324 | writeb(val, host->ioaddr + reg); | |
325 | } | |
326 | ||
327 | static inline u32 sdhci_readl(struct sdhci_host *host, int reg) | |
328 | { | |
dc297c92 MF |
329 | if (unlikely(host->ops->read_l)) |
330 | return host->ops->read_l(host, reg); | |
4e4141a5 AV |
331 | else |
332 | return readl(host->ioaddr + reg); | |
333 | } | |
334 | ||
335 | static inline u16 sdhci_readw(struct sdhci_host *host, int reg) | |
336 | { | |
dc297c92 MF |
337 | if (unlikely(host->ops->read_w)) |
338 | return host->ops->read_w(host, reg); | |
4e4141a5 AV |
339 | else |
340 | return readw(host->ioaddr + reg); | |
341 | } | |
342 | ||
343 | static inline u8 sdhci_readb(struct sdhci_host *host, int reg) | |
344 | { | |
dc297c92 MF |
345 | if (unlikely(host->ops->read_b)) |
346 | return host->ops->read_b(host, reg); | |
4e4141a5 AV |
347 | else |
348 | return readb(host->ioaddr + reg); | |
349 | } | |
350 | ||
351 | #else | |
352 | ||
353 | static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg) | |
354 | { | |
355 | writel(val, host->ioaddr + reg); | |
356 | } | |
357 | ||
358 | static inline void sdhci_writew(struct sdhci_host *host, u16 val, int reg) | |
359 | { | |
360 | writew(val, host->ioaddr + reg); | |
361 | } | |
362 | ||
363 | static inline void sdhci_writeb(struct sdhci_host *host, u8 val, int reg) | |
364 | { | |
365 | writeb(val, host->ioaddr + reg); | |
366 | } | |
367 | ||
368 | static inline u32 sdhci_readl(struct sdhci_host *host, int reg) | |
369 | { | |
370 | return readl(host->ioaddr + reg); | |
371 | } | |
372 | ||
373 | static inline u16 sdhci_readw(struct sdhci_host *host, int reg) | |
374 | { | |
375 | return readw(host->ioaddr + reg); | |
376 | } | |
377 | ||
378 | static inline u8 sdhci_readb(struct sdhci_host *host, int reg) | |
379 | { | |
380 | return readb(host->ioaddr + reg); | |
381 | } | |
382 | ||
383 | #endif /* CONFIG_MMC_SDHCI_IO_ACCESSORS */ | |
b8c86fc5 PO |
384 | |
385 | extern struct sdhci_host *sdhci_alloc_host(struct device *dev, | |
386 | size_t priv_size); | |
387 | extern void sdhci_free_host(struct sdhci_host *host); | |
388 | ||
389 | static inline void *sdhci_priv(struct sdhci_host *host) | |
390 | { | |
391 | return (void *)host->private; | |
392 | } | |
393 | ||
17866e14 | 394 | extern void sdhci_card_detect(struct sdhci_host *host); |
b8c86fc5 | 395 | extern int sdhci_add_host(struct sdhci_host *host); |
1e72859e | 396 | extern void sdhci_remove_host(struct sdhci_host *host, int dead); |
c0e55129 DA |
397 | extern void sdhci_send_command(struct sdhci_host *host, |
398 | struct mmc_command *cmd); | |
b8c86fc5 | 399 | |
be138554 RK |
400 | static inline bool sdhci_sdio_irq_enabled(struct sdhci_host *host) |
401 | { | |
402 | return !!(host->flags & SDHCI_SDIO_IRQ_ENABLED); | |
403 | } | |
404 | ||
1771059c | 405 | void sdhci_set_clock(struct sdhci_host *host, unsigned int clock); |
2317f56c | 406 | void sdhci_set_bus_width(struct sdhci_host *host, int width); |
03231f9b | 407 | void sdhci_reset(struct sdhci_host *host, u8 mask); |
96d7b78c | 408 | void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing); |
2317f56c | 409 | |
b8c86fc5 | 410 | #ifdef CONFIG_PM |
29495aa0 | 411 | extern int sdhci_suspend_host(struct sdhci_host *host); |
b8c86fc5 | 412 | extern int sdhci_resume_host(struct sdhci_host *host); |
5f619704 | 413 | extern void sdhci_enable_irq_wakeups(struct sdhci_host *host); |
b8c86fc5 | 414 | #endif |
c0bba0d2 | 415 | |
66fd8ad5 AH |
416 | #ifdef CONFIG_PM_RUNTIME |
417 | extern int sdhci_runtime_suspend_host(struct sdhci_host *host); | |
418 | extern int sdhci_runtime_resume_host(struct sdhci_host *host); | |
419 | #endif | |
420 | ||
1978fda8 | 421 | #endif /* __SDHCI_HW_H */ |