Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * linux/include/linux/mmc/host.h | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * Host driver specific definitions. | |
9 | */ | |
10 | #ifndef LINUX_MMC_HOST_H | |
11 | #define LINUX_MMC_HOST_H | |
12 | ||
af8350c7 | 13 | #include <linux/leds.h> |
d43c36dc | 14 | #include <linux/sched.h> |
313162d0 | 15 | #include <linux/device.h> |
1b676f70 | 16 | #include <linux/fault-inject.h> |
af8350c7 | 17 | |
aaac1b47 | 18 | #include <linux/mmc/core.h> |
da68c4eb | 19 | #include <linux/mmc/pm.h> |
1da177e4 LT |
20 | |
21 | struct mmc_ios { | |
22 | unsigned int clock; /* clock rate */ | |
23 | unsigned short vdd; | |
24 | ||
4be34c99 | 25 | /* vdd stores the bit number of the selected voltage range from below. */ |
1da177e4 LT |
26 | |
27 | unsigned char bus_mode; /* command output mode */ | |
28 | ||
29 | #define MMC_BUSMODE_OPENDRAIN 1 | |
30 | #define MMC_BUSMODE_PUSHPULL 2 | |
31 | ||
865e9f13 PO |
32 | unsigned char chip_select; /* SPI chip select */ |
33 | ||
34 | #define MMC_CS_DONTCARE 0 | |
35 | #define MMC_CS_HIGH 1 | |
36 | #define MMC_CS_LOW 2 | |
37 | ||
1da177e4 LT |
38 | unsigned char power_mode; /* power supply mode */ |
39 | ||
40 | #define MMC_POWER_OFF 0 | |
41 | #define MMC_POWER_UP 1 | |
42 | #define MMC_POWER_ON 2 | |
f218278a PO |
43 | |
44 | unsigned char bus_width; /* data bus width */ | |
45 | ||
46 | #define MMC_BUS_WIDTH_1 0 | |
47 | #define MMC_BUS_WIDTH_4 2 | |
b30f8af3 | 48 | #define MMC_BUS_WIDTH_8 3 |
cd9277c0 PO |
49 | |
50 | unsigned char timing; /* timing specification used */ | |
51 | ||
52 | #define MMC_TIMING_LEGACY 0 | |
53 | #define MMC_TIMING_MMC_HS 1 | |
54 | #define MMC_TIMING_SD_HS 2 | |
49c468fc AN |
55 | #define MMC_TIMING_UHS_SDR12 MMC_TIMING_LEGACY |
56 | #define MMC_TIMING_UHS_SDR25 MMC_TIMING_SD_HS | |
57 | #define MMC_TIMING_UHS_SDR50 3 | |
58 | #define MMC_TIMING_UHS_SDR104 4 | |
59 | #define MMC_TIMING_UHS_DDR50 5 | |
a4924c71 | 60 | #define MMC_TIMING_MMC_HS200 6 |
0f8d8ea6 | 61 | |
0f8d8ea6 | 62 | #define MMC_SDR_MODE 0 |
49e3b5a4 AH |
63 | #define MMC_1_2V_DDR_MODE 1 |
64 | #define MMC_1_8V_DDR_MODE 2 | |
a4924c71 G |
65 | #define MMC_1_2V_SDR_MODE 3 |
66 | #define MMC_1_8V_SDR_MODE 4 | |
f2119df6 AN |
67 | |
68 | unsigned char signal_voltage; /* signalling voltage (1.8V or 3.3V) */ | |
69 | ||
70 | #define MMC_SIGNAL_VOLTAGE_330 0 | |
71 | #define MMC_SIGNAL_VOLTAGE_180 1 | |
4c4cb171 | 72 | #define MMC_SIGNAL_VOLTAGE_120 2 |
d6d50a15 AN |
73 | |
74 | unsigned char drv_type; /* driver type (A, B, C, D) */ | |
75 | ||
76 | #define MMC_SET_DRIVER_TYPE_B 0 | |
77 | #define MMC_SET_DRIVER_TYPE_A 1 | |
78 | #define MMC_SET_DRIVER_TYPE_C 2 | |
79 | #define MMC_SET_DRIVER_TYPE_D 3 | |
1da177e4 LT |
80 | }; |
81 | ||
82 | struct mmc_host_ops { | |
8ea926b2 | 83 | /* |
907d2e7c AH |
84 | * 'enable' is called when the host is claimed and 'disable' is called |
85 | * when the host is released. 'enable' and 'disable' are deprecated. | |
8ea926b2 AH |
86 | */ |
87 | int (*enable)(struct mmc_host *host); | |
907d2e7c | 88 | int (*disable)(struct mmc_host *host); |
aa8b683a PF |
89 | /* |
90 | * It is optional for the host to implement pre_req and post_req in | |
91 | * order to support double buffering of requests (prepare one | |
92 | * request while another request is active). | |
7c8a2829 PF |
93 | * pre_req() must always be followed by a post_req(). |
94 | * To undo a call made to pre_req(), call post_req() with | |
95 | * a nonzero err condition. | |
aa8b683a PF |
96 | */ |
97 | void (*post_req)(struct mmc_host *host, struct mmc_request *req, | |
98 | int err); | |
99 | void (*pre_req)(struct mmc_host *host, struct mmc_request *req, | |
100 | bool is_first_req); | |
1da177e4 | 101 | void (*request)(struct mmc_host *host, struct mmc_request *req); |
28f52482 AV |
102 | /* |
103 | * Avoid calling these three functions too often or in a "fast path", | |
104 | * since underlaying controller might implement them in an expensive | |
105 | * and/or slow way. | |
106 | * | |
107 | * Also note that these functions might sleep, so don't call them | |
108 | * in the atomic contexts! | |
08f80bb5 AV |
109 | * |
110 | * Return values for the get_ro callback should be: | |
111 | * 0 for a read/write card | |
112 | * 1 for a read-only card | |
113 | * -ENOSYS when not supported (equal to NULL callback) | |
114 | * or a negative errno value when something bad happened | |
115 | * | |
ee63a7d2 | 116 | * Return values for the get_cd callback should be: |
08f80bb5 AV |
117 | * 0 for a absent card |
118 | * 1 for a present card | |
119 | * -ENOSYS when not supported (equal to NULL callback) | |
120 | * or a negative errno value when something bad happened | |
28f52482 | 121 | */ |
1da177e4 | 122 | void (*set_ios)(struct mmc_host *host, struct mmc_ios *ios); |
a00fc090 | 123 | int (*get_ro)(struct mmc_host *host); |
28f52482 AV |
124 | int (*get_cd)(struct mmc_host *host); |
125 | ||
17b759af | 126 | void (*enable_sdio_irq)(struct mmc_host *host, int enable); |
3fcb027d DM |
127 | |
128 | /* optional callback for HC quirks */ | |
129 | void (*init_card)(struct mmc_host *host, struct mmc_card *card); | |
f2119df6 AN |
130 | |
131 | int (*start_signal_voltage_switch)(struct mmc_host *host, struct mmc_ios *ios); | |
a4924c71 G |
132 | |
133 | /* The tuning command opcode value is different for SD and eMMC cards */ | |
134 | int (*execute_tuning)(struct mmc_host *host, u32 opcode); | |
4d55c5a1 | 135 | void (*enable_preset_value)(struct mmc_host *host, bool enable); |
ca8e99b3 | 136 | int (*select_drive_strength)(unsigned int max_dtr, int host_drv, int card_drv); |
b2499518 | 137 | void (*hw_reset)(struct mmc_host *host); |
1da177e4 LT |
138 | }; |
139 | ||
140 | struct mmc_card; | |
141 | struct device; | |
142 | ||
aa8b683a PF |
143 | struct mmc_async_req { |
144 | /* active mmc request */ | |
145 | struct mmc_request *mrq; | |
146 | /* | |
147 | * Check error status of completed mmc request. | |
148 | * Returns 0 if success otherwise non zero. | |
149 | */ | |
150 | int (*err_check) (struct mmc_card *, struct mmc_async_req *); | |
151 | }; | |
152 | ||
b67e1980 GL |
153 | struct mmc_hotplug { |
154 | unsigned int irq; | |
155 | void *handler_priv; | |
156 | }; | |
157 | ||
1da177e4 | 158 | struct mmc_host { |
fcaf71fd GKH |
159 | struct device *parent; |
160 | struct device class_dev; | |
dce77377 | 161 | int index; |
f57b225e | 162 | const struct mmc_host_ops *ops; |
1da177e4 LT |
163 | unsigned int f_min; |
164 | unsigned int f_max; | |
88ae8b86 | 165 | unsigned int f_init; |
1da177e4 | 166 | u32 ocr_avail; |
8f230f45 TI |
167 | u32 ocr_avail_sdio; /* SDIO-specific OCR */ |
168 | u32 ocr_avail_sd; /* SD-specific OCR */ | |
169 | u32 ocr_avail_mmc; /* MMC-specific OCR */ | |
4c2ef25f | 170 | struct notifier_block pm_notify; |
1da177e4 | 171 | |
55556da0 | 172 | #define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */ |
f74d132c PO |
173 | #define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */ |
174 | #define MMC_VDD_21_22 0x00000200 /* VDD voltage 2.1 ~ 2.2 */ | |
175 | #define MMC_VDD_22_23 0x00000400 /* VDD voltage 2.2 ~ 2.3 */ | |
176 | #define MMC_VDD_23_24 0x00000800 /* VDD voltage 2.3 ~ 2.4 */ | |
177 | #define MMC_VDD_24_25 0x00001000 /* VDD voltage 2.4 ~ 2.5 */ | |
178 | #define MMC_VDD_25_26 0x00002000 /* VDD voltage 2.5 ~ 2.6 */ | |
179 | #define MMC_VDD_26_27 0x00004000 /* VDD voltage 2.6 ~ 2.7 */ | |
180 | #define MMC_VDD_27_28 0x00008000 /* VDD voltage 2.7 ~ 2.8 */ | |
181 | #define MMC_VDD_28_29 0x00010000 /* VDD voltage 2.8 ~ 2.9 */ | |
182 | #define MMC_VDD_29_30 0x00020000 /* VDD voltage 2.9 ~ 3.0 */ | |
183 | #define MMC_VDD_30_31 0x00040000 /* VDD voltage 3.0 ~ 3.1 */ | |
184 | #define MMC_VDD_31_32 0x00080000 /* VDD voltage 3.1 ~ 3.2 */ | |
185 | #define MMC_VDD_32_33 0x00100000 /* VDD voltage 3.2 ~ 3.3 */ | |
186 | #define MMC_VDD_33_34 0x00200000 /* VDD voltage 3.3 ~ 3.4 */ | |
187 | #define MMC_VDD_34_35 0x00400000 /* VDD voltage 3.4 ~ 3.5 */ | |
188 | #define MMC_VDD_35_36 0x00800000 /* VDD voltage 3.5 ~ 3.6 */ | |
189 | ||
f218278a PO |
190 | unsigned long caps; /* Host capabilities */ |
191 | ||
192 | #define MMC_CAP_4_BIT_DATA (1 << 0) /* Can the host do 4 bit transfers */ | |
23af6039 PO |
193 | #define MMC_CAP_MMC_HIGHSPEED (1 << 1) /* Can do MMC high-speed timing */ |
194 | #define MMC_CAP_SD_HIGHSPEED (1 << 2) /* Can do SD high-speed timing */ | |
195 | #define MMC_CAP_SDIO_IRQ (1 << 3) /* Can signal pending SDIO IRQs */ | |
196 | #define MMC_CAP_SPI (1 << 4) /* Talks only SPI protocols */ | |
197 | #define MMC_CAP_NEEDS_POLL (1 << 5) /* Needs polling for card-detection */ | |
b30f8af3 | 198 | #define MMC_CAP_8_BIT_DATA (1 << 6) /* Can the host do 8 bit transfers */ |
907d2e7c | 199 | |
9feae246 | 200 | #define MMC_CAP_NONREMOVABLE (1 << 8) /* Nonremovable e.g. eMMC */ |
b1ebe384 | 201 | #define MMC_CAP_WAIT_WHILE_BUSY (1 << 9) /* Waits while card is busy */ |
dfe86cba | 202 | #define MMC_CAP_ERASE (1 << 10) /* Allow erase/trim commands */ |
dfc13e84 HP |
203 | #define MMC_CAP_1_8V_DDR (1 << 11) /* can support */ |
204 | /* DDR mode at 1.8V */ | |
205 | #define MMC_CAP_1_2V_DDR (1 << 12) /* can support */ | |
206 | /* DDR mode at 1.2V */ | |
ed919b01 | 207 | #define MMC_CAP_POWER_OFF_CARD (1 << 13) /* Can power off after boot */ |
22113efd | 208 | #define MMC_CAP_BUS_WIDTH_TEST (1 << 14) /* CMD14/CMD19 bus width ok */ |
f2119df6 AN |
209 | #define MMC_CAP_UHS_SDR12 (1 << 15) /* Host supports UHS SDR12 mode */ |
210 | #define MMC_CAP_UHS_SDR25 (1 << 16) /* Host supports UHS SDR25 mode */ | |
211 | #define MMC_CAP_UHS_SDR50 (1 << 17) /* Host supports UHS SDR50 mode */ | |
212 | #define MMC_CAP_UHS_SDR104 (1 << 18) /* Host supports UHS SDR104 mode */ | |
213 | #define MMC_CAP_UHS_DDR50 (1 << 19) /* Host supports UHS DDR50 mode */ | |
214 | #define MMC_CAP_SET_XPC_330 (1 << 20) /* Host supports >150mA current at 3.3V */ | |
215 | #define MMC_CAP_SET_XPC_300 (1 << 21) /* Host supports >150mA current at 3.0V */ | |
216 | #define MMC_CAP_SET_XPC_180 (1 << 22) /* Host supports >150mA current at 1.8V */ | |
d6d50a15 AN |
217 | #define MMC_CAP_DRIVER_TYPE_A (1 << 23) /* Host supports Driver Type A */ |
218 | #define MMC_CAP_DRIVER_TYPE_C (1 << 24) /* Host supports Driver Type C */ | |
219 | #define MMC_CAP_DRIVER_TYPE_D (1 << 25) /* Host supports Driver Type D */ | |
5371c927 AN |
220 | #define MMC_CAP_MAX_CURRENT_200 (1 << 26) /* Host max current limit is 200mA */ |
221 | #define MMC_CAP_MAX_CURRENT_400 (1 << 27) /* Host max current limit is 400mA */ | |
222 | #define MMC_CAP_MAX_CURRENT_600 (1 << 28) /* Host max current limit is 600mA */ | |
223 | #define MMC_CAP_MAX_CURRENT_800 (1 << 29) /* Host max current limit is 800mA */ | |
d0c97cfb | 224 | #define MMC_CAP_CMD23 (1 << 30) /* CMD23 supported. */ |
b2499518 | 225 | #define MMC_CAP_HW_RESET (1 << 31) /* Hardware reset */ |
f218278a | 226 | |
f7c56ef2 AH |
227 | unsigned int caps2; /* More host capabilities */ |
228 | ||
229 | #define MMC_CAP2_BOOTPART_NOACC (1 << 0) /* Boot partition no access */ | |
881d1c25 | 230 | #define MMC_CAP2_CACHE_CTRL (1 << 1) /* Allow cache control */ |
bec8726a | 231 | #define MMC_CAP2_POWEROFF_NOTIFY (1 << 2) /* Notify poweroff supported */ |
2bf22b39 | 232 | #define MMC_CAP2_NO_MULTI_READ (1 << 3) /* Multiblock reads don't work */ |
aa9df4fb | 233 | #define MMC_CAP2_NO_SLEEP_CMD (1 << 4) /* Don't allow sleep command */ |
a4924c71 G |
234 | #define MMC_CAP2_HS200_1_8V_SDR (1 << 5) /* can support */ |
235 | #define MMC_CAP2_HS200_1_2V_SDR (1 << 6) /* can support */ | |
236 | #define MMC_CAP2_HS200 (MMC_CAP2_HS200_1_8V_SDR | \ | |
237 | MMC_CAP2_HS200_1_2V_SDR) | |
6e8201f5 | 238 | #define MMC_CAP2_BROKEN_VOLTAGE (1 << 7) /* Use the broken voltage */ |
f0cc9cf9 | 239 | #define MMC_CAP2_DETECT_ON_ERR (1 << 8) /* On I/O err check card removal */ |
83bb24aa | 240 | #define MMC_CAP2_HC_ERASE_SZ (1 << 9) /* High-capacity erase size */ |
f7c56ef2 | 241 | |
da68c4eb | 242 | mmc_pm_flag_t pm_caps; /* supported pm features */ |
bec8726a G |
243 | unsigned int power_notify_type; |
244 | #define MMC_HOST_PW_NOTIFY_NONE 0 | |
245 | #define MMC_HOST_PW_NOTIFY_SHORT 1 | |
246 | #define MMC_HOST_PW_NOTIFY_LONG 2 | |
da68c4eb | 247 | |
04566831 LW |
248 | #ifdef CONFIG_MMC_CLKGATE |
249 | int clk_requests; /* internal reference counter */ | |
250 | unsigned int clk_delay; /* number of MCI clk hold cycles */ | |
251 | bool clk_gated; /* clock gated */ | |
597dd9d7 | 252 | struct delayed_work clk_gate_work; /* delayed clock gate */ |
04566831 LW |
253 | unsigned int clk_old; /* old clock value cache */ |
254 | spinlock_t clk_lock; /* lock for clk fields */ | |
86f315bb | 255 | struct mutex clk_gate_mutex; /* mutex for clock gating */ |
597dd9d7 SRT |
256 | struct device_attribute clkgate_delay_attr; |
257 | unsigned long clkgate_delay; | |
04566831 LW |
258 | #endif |
259 | ||
1da177e4 LT |
260 | /* host specific block data */ |
261 | unsigned int max_seg_size; /* see blk_queue_max_segment_size */ | |
a36274e0 | 262 | unsigned short max_segs; /* see blk_queue_max_segments */ |
1da177e4 | 263 | unsigned short unused; |
55db890a | 264 | unsigned int max_req_size; /* maximum number of bytes in one req */ |
fe4a3c7a | 265 | unsigned int max_blk_size; /* maximum size of one mmc block */ |
55db890a | 266 | unsigned int max_blk_count; /* maximum number of blocks in one req */ |
e056a1b5 | 267 | unsigned int max_discard_to; /* max. discard timeout in ms */ |
1da177e4 LT |
268 | |
269 | /* private data */ | |
7ea239d9 PO |
270 | spinlock_t lock; /* lock for claim and bus ops */ |
271 | ||
1da177e4 LT |
272 | struct mmc_ios ios; /* current io bus settings */ |
273 | u32 ocr; /* the current OCR setting */ | |
274 | ||
97018580 DB |
275 | /* group bitfields together to minimize padding */ |
276 | unsigned int use_spi_crc:1; | |
277 | unsigned int claimed:1; /* host exclusively claimed */ | |
278 | unsigned int bus_dead:1; /* bus has been released */ | |
279 | #ifdef CONFIG_MMC_DEBUG | |
280 | unsigned int removed:1; /* host is being removed */ | |
281 | #endif | |
282 | ||
4c2ef25f | 283 | int rescan_disable; /* disable card detection */ |
8ea926b2 | 284 | |
b855885e | 285 | struct mmc_card *card; /* device attached to this host */ |
1da177e4 LT |
286 | |
287 | wait_queue_head_t wq; | |
319a3f14 AH |
288 | struct task_struct *claimer; /* task that has host claimed */ |
289 | int claim_cnt; /* "claim" nesting count */ | |
f22ee4ed | 290 | |
c4028958 | 291 | struct delayed_work detect; |
d3049504 | 292 | int detect_change; /* card detect flag */ |
b67e1980 | 293 | struct mmc_hotplug hotplug; |
01357dca | 294 | |
7ea239d9 PO |
295 | const struct mmc_bus_ops *bus_ops; /* current bus driver */ |
296 | unsigned int bus_refs; /* reference counter */ | |
7ea239d9 | 297 | |
d1496c39 NP |
298 | unsigned int sdio_irqs; |
299 | struct task_struct *sdio_irq_thread; | |
300 | atomic_t sdio_irq_thread_abort; | |
301 | ||
da68c4eb NP |
302 | mmc_pm_flag_t pm_flags; /* requested pm features */ |
303 | ||
af8350c7 PO |
304 | #ifdef CONFIG_LEDS_TRIGGERS |
305 | struct led_trigger *led; /* activity led */ | |
306 | #endif | |
307 | ||
99fc5131 LW |
308 | #ifdef CONFIG_REGULATOR |
309 | bool regulator_enabled; /* regulator state */ | |
310 | #endif | |
311 | ||
6edd8ee6 HS |
312 | struct dentry *debugfs_root; |
313 | ||
aa8b683a PF |
314 | struct mmc_async_req *areq; /* active async req */ |
315 | ||
1b676f70 PF |
316 | #ifdef CONFIG_FAIL_MMC_REQUEST |
317 | struct fault_attr fail_mmc_request; | |
318 | #endif | |
319 | ||
df16219f GC |
320 | unsigned int actual_clock; /* Actual HC clock rate */ |
321 | ||
01357dca | 322 | unsigned long private[0] ____cacheline_aligned; |
1da177e4 LT |
323 | }; |
324 | ||
325 | extern struct mmc_host *mmc_alloc_host(int extra, struct device *); | |
326 | extern int mmc_add_host(struct mmc_host *); | |
327 | extern void mmc_remove_host(struct mmc_host *); | |
328 | extern void mmc_free_host(struct mmc_host *); | |
329 | ||
01357dca RK |
330 | static inline void *mmc_priv(struct mmc_host *host) |
331 | { | |
332 | return (void *)host->private; | |
333 | } | |
334 | ||
97018580 DB |
335 | #define mmc_host_is_spi(host) ((host)->caps & MMC_CAP_SPI) |
336 | ||
fcaf71fd | 337 | #define mmc_dev(x) ((x)->parent) |
11354d03 | 338 | #define mmc_classdev(x) (&(x)->class_dev) |
d1b26863 | 339 | #define mmc_hostname(x) (dev_name(&(x)->class_dev)) |
1da177e4 | 340 | |
1a13f8fa | 341 | extern int mmc_suspend_host(struct mmc_host *); |
1da177e4 LT |
342 | extern int mmc_resume_host(struct mmc_host *); |
343 | ||
12ae637f OBC |
344 | extern int mmc_power_save_host(struct mmc_host *host); |
345 | extern int mmc_power_restore_host(struct mmc_host *host); | |
eae1aeee | 346 | |
8dc00335 | 347 | extern void mmc_detect_change(struct mmc_host *, unsigned long delay); |
1da177e4 LT |
348 | extern void mmc_request_done(struct mmc_host *, struct mmc_request *); |
349 | ||
881d1c25 SJ |
350 | extern int mmc_cache_ctrl(struct mmc_host *, u8); |
351 | ||
17b759af NP |
352 | static inline void mmc_signal_sdio_irq(struct mmc_host *host) |
353 | { | |
354 | host->ops->enable_sdio_irq(host, 0); | |
355 | wake_up_process(host->sdio_irq_thread); | |
356 | } | |
357 | ||
5c13941a DB |
358 | struct regulator; |
359 | ||
99fc5131 | 360 | #ifdef CONFIG_REGULATOR |
5c13941a | 361 | int mmc_regulator_get_ocrmask(struct regulator *supply); |
99fc5131 LW |
362 | int mmc_regulator_set_ocr(struct mmc_host *mmc, |
363 | struct regulator *supply, | |
364 | unsigned short vdd_bit); | |
365 | #else | |
366 | static inline int mmc_regulator_get_ocrmask(struct regulator *supply) | |
367 | { | |
368 | return 0; | |
369 | } | |
370 | ||
371 | static inline int mmc_regulator_set_ocr(struct mmc_host *mmc, | |
372 | struct regulator *supply, | |
373 | unsigned short vdd_bit) | |
374 | { | |
375 | return 0; | |
376 | } | |
377 | #endif | |
5c13941a | 378 | |
b1ebe384 JL |
379 | int mmc_card_awake(struct mmc_host *host); |
380 | int mmc_card_sleep(struct mmc_host *host); | |
381 | int mmc_card_can_sleep(struct mmc_host *host); | |
382 | ||
4c2ef25f | 383 | int mmc_pm_notify(struct notifier_block *notify_block, unsigned long, void *); |
8ea926b2 | 384 | |
71d7d3d1 | 385 | /* Module parameter */ |
90ab5ee9 | 386 | extern bool mmc_assume_removable; |
71d7d3d1 MF |
387 | |
388 | static inline int mmc_card_is_removable(struct mmc_host *host) | |
389 | { | |
390 | return !(host->caps & MMC_CAP_NONREMOVABLE) && mmc_assume_removable; | |
391 | } | |
392 | ||
a5e9425d | 393 | static inline int mmc_card_keep_power(struct mmc_host *host) |
080bc977 OBC |
394 | { |
395 | return host->pm_flags & MMC_PM_KEEP_POWER; | |
396 | } | |
397 | ||
6b93d01f OBC |
398 | static inline int mmc_card_wake_sdio_irq(struct mmc_host *host) |
399 | { | |
400 | return host->pm_flags & MMC_PM_WAKE_SDIO_IRQ; | |
401 | } | |
d0c97cfb AW |
402 | |
403 | static inline int mmc_host_cmd23(struct mmc_host *host) | |
404 | { | |
405 | return host->caps & MMC_CAP_CMD23; | |
406 | } | |
f7c56ef2 AH |
407 | |
408 | static inline int mmc_boot_partition_access(struct mmc_host *host) | |
409 | { | |
410 | return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC); | |
411 | } | |
412 | ||
2c4967f7 SRT |
413 | #ifdef CONFIG_MMC_CLKGATE |
414 | void mmc_host_clk_hold(struct mmc_host *host); | |
415 | void mmc_host_clk_release(struct mmc_host *host); | |
416 | unsigned int mmc_host_clk_rate(struct mmc_host *host); | |
417 | ||
418 | #else | |
419 | static inline void mmc_host_clk_hold(struct mmc_host *host) | |
420 | { | |
421 | } | |
422 | ||
423 | static inline void mmc_host_clk_release(struct mmc_host *host) | |
424 | { | |
425 | } | |
426 | ||
427 | static inline unsigned int mmc_host_clk_rate(struct mmc_host *host) | |
428 | { | |
429 | return host->ios.clock; | |
430 | } | |
431 | #endif | |
100e9186 | 432 | #endif /* LINUX_MMC_HOST_H */ |