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-rw-r--r--include/linux/mmc/card.h31
-rw-r--r--include/linux/mmc/core.h19
-rw-r--r--include/linux/mmc/host.h14
-rw-r--r--include/linux/mmc/mmc.h26
-rw-r--r--include/linux/mmc/pm.h30
-rw-r--r--include/linux/mmc/sd.h5
-rw-r--r--include/linux/mmc/sdhci-spear.h42
-rw-r--r--include/linux/mmc/sdio.h6
-rw-r--r--include/linux/mmc/sdio_func.h8
-rw-r--r--include/linux/mmc/sh_mmcif.h200
10 files changed, 374 insertions, 7 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 2ee22e8af110..6b7525099e56 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -24,12 +24,14 @@ struct mmc_cid {
24}; 24};
25 25
26struct mmc_csd { 26struct mmc_csd {
27 unsigned char structure;
27 unsigned char mmca_vsn; 28 unsigned char mmca_vsn;
28 unsigned short cmdclass; 29 unsigned short cmdclass;
29 unsigned short tacc_clks; 30 unsigned short tacc_clks;
30 unsigned int tacc_ns; 31 unsigned int tacc_ns;
31 unsigned int r2w_factor; 32 unsigned int r2w_factor;
32 unsigned int max_dtr; 33 unsigned int max_dtr;
34 unsigned int erase_size; /* In sectors */
33 unsigned int read_blkbits; 35 unsigned int read_blkbits;
34 unsigned int write_blkbits; 36 unsigned int write_blkbits;
35 unsigned int capacity; 37 unsigned int capacity;
@@ -41,9 +43,16 @@ struct mmc_csd {
41 43
42struct mmc_ext_csd { 44struct mmc_ext_csd {
43 u8 rev; 45 u8 rev;
46 u8 erase_group_def;
47 u8 sec_feature_support;
44 unsigned int sa_timeout; /* Units: 100ns */ 48 unsigned int sa_timeout; /* Units: 100ns */
45 unsigned int hs_max_dtr; 49 unsigned int hs_max_dtr;
46 unsigned int sectors; 50 unsigned int sectors;
51 unsigned int hc_erase_size; /* In sectors */
52 unsigned int hc_erase_timeout; /* In milliseconds */
53 unsigned int sec_trim_mult; /* Secure trim multiplier */
54 unsigned int sec_erase_mult; /* Secure erase multiplier */
55 unsigned int trim_timeout; /* In milliseconds */
47}; 56};
48 57
49struct sd_scr { 58struct sd_scr {
@@ -53,6 +62,12 @@ struct sd_scr {
53#define SD_SCR_BUS_WIDTH_4 (1<<2) 62#define SD_SCR_BUS_WIDTH_4 (1<<2)
54}; 63};
55 64
65struct sd_ssr {
66 unsigned int au; /* In sectors */
67 unsigned int erase_timeout; /* In milliseconds */
68 unsigned int erase_offset; /* In milliseconds */
69};
70
56struct sd_switch_caps { 71struct sd_switch_caps {
57 unsigned int hs_max_dtr; 72 unsigned int hs_max_dtr;
58}; 73};
@@ -92,6 +107,7 @@ struct mmc_card {
92#define MMC_TYPE_MMC 0 /* MMC card */ 107#define MMC_TYPE_MMC 0 /* MMC card */
93#define MMC_TYPE_SD 1 /* SD card */ 108#define MMC_TYPE_SD 1 /* SD card */
94#define MMC_TYPE_SDIO 2 /* SDIO card */ 109#define MMC_TYPE_SDIO 2 /* SDIO card */
110#define MMC_TYPE_SD_COMBO 3 /* SD combo (IO+mem) card */
95 unsigned int state; /* (our) card state */ 111 unsigned int state; /* (our) card state */
96#define MMC_STATE_PRESENT (1<<0) /* present in sysfs */ 112#define MMC_STATE_PRESENT (1<<0) /* present in sysfs */
97#define MMC_STATE_READONLY (1<<1) /* card is read-only */ 113#define MMC_STATE_READONLY (1<<1) /* card is read-only */
@@ -99,6 +115,15 @@ struct mmc_card {
99#define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */ 115#define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */
100 unsigned int quirks; /* card quirks */ 116 unsigned int quirks; /* card quirks */
101#define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */ 117#define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */
118#define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */
119 /* for byte mode */
120#define MMC_QUIRK_NONSTD_SDIO (1<<2) /* non-standard SDIO card attached */
121 /* (missing CIA registers) */
122
123 unsigned int erase_size; /* erase size in sectors */
124 unsigned int erase_shift; /* if erase unit is power 2 */
125 unsigned int pref_erase; /* in sectors */
126 u8 erased_byte; /* value of erased bytes */
102 127
103 u32 raw_cid[4]; /* raw card CID */ 128 u32 raw_cid[4]; /* raw card CID */
104 u32 raw_csd[4]; /* raw card CSD */ 129 u32 raw_csd[4]; /* raw card CSD */
@@ -107,6 +132,7 @@ struct mmc_card {
107 struct mmc_csd csd; /* card specific */ 132 struct mmc_csd csd; /* card specific */
108 struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */ 133 struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */
109 struct sd_scr scr; /* extra SD information */ 134 struct sd_scr scr; /* extra SD information */
135 struct sd_ssr ssr; /* yet more SD information */
110 struct sd_switch_caps sw_caps; /* switch (CMD6) caps */ 136 struct sd_switch_caps sw_caps; /* switch (CMD6) caps */
111 137
112 unsigned int sdio_funcs; /* number of SDIO functions */ 138 unsigned int sdio_funcs; /* number of SDIO functions */
@@ -139,6 +165,11 @@ static inline int mmc_card_lenient_fn0(const struct mmc_card *c)
139 return c->quirks & MMC_QUIRK_LENIENT_FN0; 165 return c->quirks & MMC_QUIRK_LENIENT_FN0;
140} 166}
141 167
168static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
169{
170 return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
171}
172
142#define mmc_card_name(c) ((c)->cid.prod_name) 173#define mmc_card_name(c) ((c)->cid.prod_name)
143#define mmc_card_id(c) (dev_name(&(c)->dev)) 174#define mmc_card_id(c) (dev_name(&(c)->dev))
144 175
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index e4898e9eeb59..7429033acb66 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -92,6 +92,8 @@ struct mmc_command {
92 * actively failing requests 92 * actively failing requests
93 */ 93 */
94 94
95 unsigned int erase_timeout; /* in milliseconds */
96
95 struct mmc_data *data; /* data segment associated with cmd */ 97 struct mmc_data *data; /* data segment associated with cmd */
96 struct mmc_request *mrq; /* associated request */ 98 struct mmc_request *mrq; /* associated request */
97}; 99};
@@ -134,6 +136,23 @@ extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int);
134extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *, 136extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *,
135 struct mmc_command *, int); 137 struct mmc_command *, int);
136 138
139#define MMC_ERASE_ARG 0x00000000
140#define MMC_SECURE_ERASE_ARG 0x80000000
141#define MMC_TRIM_ARG 0x00000001
142#define MMC_SECURE_TRIM1_ARG 0x80000001
143#define MMC_SECURE_TRIM2_ARG 0x80008000
144
145#define MMC_SECURE_ARGS 0x80000000
146#define MMC_TRIM_ARGS 0x00008001
147
148extern int mmc_erase(struct mmc_card *card, unsigned int from, unsigned int nr,
149 unsigned int arg);
150extern int mmc_can_erase(struct mmc_card *card);
151extern int mmc_can_trim(struct mmc_card *card);
152extern int mmc_can_secure_erase_trim(struct mmc_card *card);
153extern int mmc_erase_group_aligned(struct mmc_card *card, unsigned int from,
154 unsigned int nr);
155
137extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *); 156extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *);
138extern unsigned int mmc_align_data_size(struct mmc_card *, unsigned int); 157extern unsigned int mmc_align_data_size(struct mmc_card *, unsigned int);
139 158
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index eaf36364b7d4..1575b52c3bfa 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -14,6 +14,7 @@
14#include <linux/sched.h> 14#include <linux/sched.h>
15 15
16#include <linux/mmc/core.h> 16#include <linux/mmc/core.h>
17#include <linux/mmc/pm.h>
17 18
18struct mmc_ios { 19struct mmc_ios {
19 unsigned int clock; /* clock rate */ 20 unsigned int clock; /* clock rate */
@@ -107,6 +108,9 @@ struct mmc_host_ops {
107 int (*get_cd)(struct mmc_host *host); 108 int (*get_cd)(struct mmc_host *host);
108 109
109 void (*enable_sdio_irq)(struct mmc_host *host, int enable); 110 void (*enable_sdio_irq)(struct mmc_host *host, int enable);
111
112 /* optional callback for HC quirks */
113 void (*init_card)(struct mmc_host *host, struct mmc_card *card);
110}; 114};
111 115
112struct mmc_card; 116struct mmc_card;
@@ -120,6 +124,7 @@ struct mmc_host {
120 unsigned int f_min; 124 unsigned int f_min;
121 unsigned int f_max; 125 unsigned int f_max;
122 u32 ocr_avail; 126 u32 ocr_avail;
127 struct notifier_block pm_notify;
123 128
124#define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */ 129#define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */
125#define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */ 130#define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */
@@ -151,6 +156,9 @@ struct mmc_host {
151#define MMC_CAP_DISABLE (1 << 7) /* Can the host be disabled */ 156#define MMC_CAP_DISABLE (1 << 7) /* Can the host be disabled */
152#define MMC_CAP_NONREMOVABLE (1 << 8) /* Nonremovable e.g. eMMC */ 157#define MMC_CAP_NONREMOVABLE (1 << 8) /* Nonremovable e.g. eMMC */
153#define MMC_CAP_WAIT_WHILE_BUSY (1 << 9) /* Waits while card is busy */ 158#define MMC_CAP_WAIT_WHILE_BUSY (1 << 9) /* Waits while card is busy */
159#define MMC_CAP_ERASE (1 << 10) /* Allow erase/trim commands */
160
161 mmc_pm_flag_t pm_caps; /* supported pm features */
154 162
155 /* host specific block data */ 163 /* host specific block data */
156 unsigned int max_seg_size; /* see blk_queue_max_segment_size */ 164 unsigned int max_seg_size; /* see blk_queue_max_segment_size */
@@ -177,6 +185,7 @@ struct mmc_host {
177 185
178 /* Only used with MMC_CAP_DISABLE */ 186 /* Only used with MMC_CAP_DISABLE */
179 int enabled; /* host is enabled */ 187 int enabled; /* host is enabled */
188 int rescan_disable; /* disable card detection */
180 int nesting_cnt; /* "enable" nesting count */ 189 int nesting_cnt; /* "enable" nesting count */
181 int en_dis_recurs; /* detect recursion */ 190 int en_dis_recurs; /* detect recursion */
182 unsigned int disable_delay; /* disable delay in msecs */ 191 unsigned int disable_delay; /* disable delay in msecs */
@@ -197,6 +206,8 @@ struct mmc_host {
197 struct task_struct *sdio_irq_thread; 206 struct task_struct *sdio_irq_thread;
198 atomic_t sdio_irq_thread_abort; 207 atomic_t sdio_irq_thread_abort;
199 208
209 mmc_pm_flag_t pm_flags; /* requested pm features */
210
200#ifdef CONFIG_LEDS_TRIGGERS 211#ifdef CONFIG_LEDS_TRIGGERS
201 struct led_trigger *led; /* activity led */ 212 struct led_trigger *led; /* activity led */
202#endif 213#endif
@@ -222,7 +233,7 @@ static inline void *mmc_priv(struct mmc_host *host)
222#define mmc_classdev(x) (&(x)->class_dev) 233#define mmc_classdev(x) (&(x)->class_dev)
223#define mmc_hostname(x) (dev_name(&(x)->class_dev)) 234#define mmc_hostname(x) (dev_name(&(x)->class_dev))
224 235
225extern int mmc_suspend_host(struct mmc_host *, pm_message_t); 236extern int mmc_suspend_host(struct mmc_host *);
226extern int mmc_resume_host(struct mmc_host *); 237extern int mmc_resume_host(struct mmc_host *);
227 238
228extern void mmc_power_save_host(struct mmc_host *host); 239extern void mmc_power_save_host(struct mmc_host *host);
@@ -249,6 +260,7 @@ int mmc_card_can_sleep(struct mmc_host *host);
249int mmc_host_enable(struct mmc_host *host); 260int mmc_host_enable(struct mmc_host *host);
250int mmc_host_disable(struct mmc_host *host); 261int mmc_host_disable(struct mmc_host *host);
251int mmc_host_lazy_disable(struct mmc_host *host); 262int mmc_host_lazy_disable(struct mmc_host *host);
263int mmc_pm_notify(struct notifier_block *notify_block, unsigned long, void *);
252 264
253static inline void mmc_set_disable_delay(struct mmc_host *host, 265static inline void mmc_set_disable_delay(struct mmc_host *host,
254 unsigned int disable_delay) 266 unsigned int disable_delay)
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index c02c8db73701..dd11ae51fb68 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -251,12 +251,21 @@ struct _mmc_csd {
251 * EXT_CSD fields 251 * EXT_CSD fields
252 */ 252 */
253 253
254#define EXT_CSD_BUS_WIDTH 183 /* R/W */ 254#define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */
255#define EXT_CSD_HS_TIMING 185 /* R/W */ 255#define EXT_CSD_ERASED_MEM_CONT 181 /* RO */
256#define EXT_CSD_CARD_TYPE 196 /* RO */ 256#define EXT_CSD_BUS_WIDTH 183 /* R/W */
257#define EXT_CSD_REV 192 /* RO */ 257#define EXT_CSD_HS_TIMING 185 /* R/W */
258#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */ 258#define EXT_CSD_REV 192 /* RO */
259#define EXT_CSD_S_A_TIMEOUT 217 259#define EXT_CSD_STRUCTURE 194 /* RO */
260#define EXT_CSD_CARD_TYPE 196 /* RO */
261#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */
262#define EXT_CSD_S_A_TIMEOUT 217 /* RO */
263#define EXT_CSD_ERASE_TIMEOUT_MULT 223 /* RO */
264#define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */
265#define EXT_CSD_SEC_TRIM_MULT 229 /* RO */
266#define EXT_CSD_SEC_ERASE_MULT 230 /* RO */
267#define EXT_CSD_SEC_FEATURE_SUPPORT 231 /* RO */
268#define EXT_CSD_TRIM_MULT 232 /* RO */
260 269
261/* 270/*
262 * EXT_CSD field definitions 271 * EXT_CSD field definitions
@@ -268,11 +277,16 @@ struct _mmc_csd {
268 277
269#define EXT_CSD_CARD_TYPE_26 (1<<0) /* Card can run at 26MHz */ 278#define EXT_CSD_CARD_TYPE_26 (1<<0) /* Card can run at 26MHz */
270#define EXT_CSD_CARD_TYPE_52 (1<<1) /* Card can run at 52MHz */ 279#define EXT_CSD_CARD_TYPE_52 (1<<1) /* Card can run at 52MHz */
280#define EXT_CSD_CARD_TYPE_MASK 0x3 /* Mask out reserved and DDR bits */
271 281
272#define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */ 282#define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */
273#define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */ 283#define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */
274#define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */ 284#define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */
275 285
286#define EXT_CSD_SEC_ER_EN BIT(0)
287#define EXT_CSD_SEC_BD_BLK_EN BIT(2)
288#define EXT_CSD_SEC_GB_CL_EN BIT(4)
289
276/* 290/*
277 * MMC_SWITCH access modes 291 * MMC_SWITCH access modes
278 */ 292 */
diff --git a/include/linux/mmc/pm.h b/include/linux/mmc/pm.h
new file mode 100644
index 000000000000..d37aac49cf9a
--- /dev/null
+++ b/include/linux/mmc/pm.h
@@ -0,0 +1,30 @@
1/*
2 * linux/include/linux/mmc/pm.h
3 *
4 * Author: Nicolas Pitre
5 * Copyright: (C) 2009 Marvell Technology Group Ltd.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#ifndef LINUX_MMC_PM_H
13#define LINUX_MMC_PM_H
14
15/*
16 * These flags are used to describe power management features that
17 * some cards (typically SDIO cards) might wish to benefit from when
18 * the host system is being suspended. There are several layers of
19 * abstractions involved, from the host controller driver, to the MMC core
20 * code, to the SDIO core code, to finally get to the actual SDIO function
21 * driver. This file is therefore used for common definitions shared across
22 * all those layers.
23 */
24
25typedef unsigned int mmc_pm_flag_t;
26
27#define MMC_PM_KEEP_POWER (1 << 0) /* preserve card power during suspend */
28#define MMC_PM_WAKE_SDIO_IRQ (1 << 1) /* wake up host system on SDIO IRQ assertion */
29
30#endif
diff --git a/include/linux/mmc/sd.h b/include/linux/mmc/sd.h
index f310062cffb4..3fd85e088cc3 100644
--- a/include/linux/mmc/sd.h
+++ b/include/linux/mmc/sd.h
@@ -21,8 +21,13 @@
21 /* class 10 */ 21 /* class 10 */
22#define SD_SWITCH 6 /* adtc [31:0] See below R1 */ 22#define SD_SWITCH 6 /* adtc [31:0] See below R1 */
23 23
24 /* class 5 */
25#define SD_ERASE_WR_BLK_START 32 /* ac [31:0] data addr R1 */
26#define SD_ERASE_WR_BLK_END 33 /* ac [31:0] data addr R1 */
27
24 /* Application commands */ 28 /* Application commands */
25#define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */ 29#define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */
30#define SD_APP_SD_STATUS 13 /* adtc R1 */
26#define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */ 31#define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */
27#define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */ 32#define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */
28#define SD_APP_SEND_SCR 51 /* adtc R1 */ 33#define SD_APP_SEND_SCR 51 /* adtc R1 */
diff --git a/include/linux/mmc/sdhci-spear.h b/include/linux/mmc/sdhci-spear.h
new file mode 100644
index 000000000000..9188c973f3e1
--- /dev/null
+++ b/include/linux/mmc/sdhci-spear.h
@@ -0,0 +1,42 @@
1/*
2 * include/linux/mmc/sdhci-spear.h
3 *
4 * SDHCI declarations specific to ST SPEAr platform
5 *
6 * Copyright (C) 2010 ST Microelectronics
7 * Viresh Kumar<viresh.kumar@st.com>
8 *
9 * This file is licensed under the terms of the GNU General Public
10 * License version 2. This program is licensed "as is" without any
11 * warranty of any kind, whether express or implied.
12 */
13
14#ifndef MMC_SDHCI_SPEAR_H
15#define MMC_SDHCI_SPEAR_H
16
17#include <linux/platform_device.h>
18/*
19 * struct sdhci_plat_data: spear sdhci platform data structure
20 *
21 * @card_power_gpio: gpio pin for enabling/disabling power to sdhci socket
22 * @power_active_high: if set, enable power to sdhci socket by setting
23 * card_power_gpio
24 * @power_always_enb: If set, then enable power on probe, otherwise enable only
25 * on card insertion and disable on card removal.
26 * card_int_gpio: gpio pin used for card detection
27 */
28struct sdhci_plat_data {
29 int card_power_gpio;
30 int power_active_high;
31 int power_always_enb;
32 int card_int_gpio;
33};
34
35/* This function is used to set platform_data field of pdev->dev */
36static inline void
37sdhci_set_plat_data(struct platform_device *pdev, struct sdhci_plat_data *data)
38{
39 pdev->dev.platform_data = data;
40}
41
42#endif /* MMC_SDHCI_SPEAR_H */
diff --git a/include/linux/mmc/sdio.h b/include/linux/mmc/sdio.h
index 47ba464f5170..245cdacee544 100644
--- a/include/linux/mmc/sdio.h
+++ b/include/linux/mmc/sdio.h
@@ -38,6 +38,8 @@
38 * [8:0] Byte/block count 38 * [8:0] Byte/block count
39 */ 39 */
40 40
41#define R4_MEMORY_PRESENT (1 << 27)
42
41/* 43/*
42 SDIO status in R5 44 SDIO status in R5
43 Type 45 Type
@@ -94,6 +96,10 @@
94 96
95#define SDIO_BUS_WIDTH_1BIT 0x00 97#define SDIO_BUS_WIDTH_1BIT 0x00
96#define SDIO_BUS_WIDTH_4BIT 0x02 98#define SDIO_BUS_WIDTH_4BIT 0x02
99#define SDIO_BUS_ECSI 0x20 /* Enable continuous SPI interrupt */
100#define SDIO_BUS_SCSI 0x40 /* Support continuous SPI interrupt */
101
102#define SDIO_BUS_ASYNC_INT 0x20
97 103
98#define SDIO_BUS_CD_DISABLE 0x80 /* disable pull-up on DAT3 (pin 1) */ 104#define SDIO_BUS_CD_DISABLE 0x80 /* disable pull-up on DAT3 (pin 1) */
99 105
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index ac3ab683fec6..31baaf82f458 100644
--- a/include/linux/mmc/sdio_func.h
+++ b/include/linux/mmc/sdio_func.h
@@ -15,6 +15,8 @@
15#include <linux/device.h> 15#include <linux/device.h>
16#include <linux/mod_devicetable.h> 16#include <linux/mod_devicetable.h>
17 17
18#include <linux/mmc/pm.h>
19
18struct mmc_card; 20struct mmc_card;
19struct sdio_func; 21struct sdio_func;
20 22
@@ -143,6 +145,9 @@ extern void sdio_writew(struct sdio_func *func, u16 b,
143extern void sdio_writel(struct sdio_func *func, u32 b, 145extern void sdio_writel(struct sdio_func *func, u32 b,
144 unsigned int addr, int *err_ret); 146 unsigned int addr, int *err_ret);
145 147
148extern u8 sdio_writeb_readb(struct sdio_func *func, u8 write_byte,
149 unsigned int addr, int *err_ret);
150
146extern int sdio_memcpy_toio(struct sdio_func *func, unsigned int addr, 151extern int sdio_memcpy_toio(struct sdio_func *func, unsigned int addr,
147 void *src, int count); 152 void *src, int count);
148extern int sdio_writesb(struct sdio_func *func, unsigned int addr, 153extern int sdio_writesb(struct sdio_func *func, unsigned int addr,
@@ -153,5 +158,8 @@ extern unsigned char sdio_f0_readb(struct sdio_func *func,
153extern void sdio_f0_writeb(struct sdio_func *func, unsigned char b, 158extern void sdio_f0_writeb(struct sdio_func *func, unsigned char b,
154 unsigned int addr, int *err_ret); 159 unsigned int addr, int *err_ret);
155 160
161extern mmc_pm_flag_t sdio_get_host_pm_caps(struct sdio_func *func);
162extern int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags);
163
156#endif 164#endif
157 165
diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h
new file mode 100644
index 000000000000..d4a2ebbdab4b
--- /dev/null
+++ b/include/linux/mmc/sh_mmcif.h
@@ -0,0 +1,200 @@
1/*
2 * include/linux/mmc/sh_mmcif.h
3 *
4 * platform data for eMMC driver
5 *
6 * Copyright (C) 2010 Renesas Solutions Corp.
7 *
8 * This program is free software; you can redistribute it and/or modify
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.
11 *
12 */
13
14#ifndef __SH_MMCIF_H__
15#define __SH_MMCIF_H__
16
17#include <linux/platform_device.h>
18#include <linux/io.h>
19
20/*
21 * MMCIF : CE_CLK_CTRL [19:16]
22 * 1000 : Peripheral clock / 512
23 * 0111 : Peripheral clock / 256
24 * 0110 : Peripheral clock / 128
25 * 0101 : Peripheral clock / 64
26 * 0100 : Peripheral clock / 32
27 * 0011 : Peripheral clock / 16
28 * 0010 : Peripheral clock / 8
29 * 0001 : Peripheral clock / 4
30 * 0000 : Peripheral clock / 2
31 * 1111 : Peripheral clock (sup_pclk set '1')
32 */
33
34struct sh_mmcif_plat_data {
35 void (*set_pwr)(struct platform_device *pdev, int state);
36 void (*down_pwr)(struct platform_device *pdev);
37 u8 sup_pclk; /* 1 :SH7757, 0: SH7724/SH7372 */
38 unsigned long caps;
39 u32 ocr;
40};
41
42#define MMCIF_CE_CMD_SET 0x00000000
43#define MMCIF_CE_ARG 0x00000008
44#define MMCIF_CE_ARG_CMD12 0x0000000C
45#define MMCIF_CE_CMD_CTRL 0x00000010
46#define MMCIF_CE_BLOCK_SET 0x00000014
47#define MMCIF_CE_CLK_CTRL 0x00000018
48#define MMCIF_CE_BUF_ACC 0x0000001C
49#define MMCIF_CE_RESP3 0x00000020
50#define MMCIF_CE_RESP2 0x00000024
51#define MMCIF_CE_RESP1 0x00000028
52#define MMCIF_CE_RESP0 0x0000002C
53#define MMCIF_CE_RESP_CMD12 0x00000030
54#define MMCIF_CE_DATA 0x00000034
55#define MMCIF_CE_INT 0x00000040
56#define MMCIF_CE_INT_MASK 0x00000044
57#define MMCIF_CE_HOST_STS1 0x00000048
58#define MMCIF_CE_HOST_STS2 0x0000004C
59#define MMCIF_CE_VERSION 0x0000007C
60
61extern inline u32 sh_mmcif_readl(void __iomem *addr, int reg)
62{
63 return readl(addr + reg);
64}
65
66extern inline void sh_mmcif_writel(void __iomem *addr, int reg, u32 val)
67{
68 writel(val, addr + reg);
69}
70
71#define SH_MMCIF_BBS 512 /* boot block size */
72
73extern inline void sh_mmcif_boot_cmd_send(void __iomem *base,
74 unsigned long cmd, unsigned long arg)
75{
76 sh_mmcif_writel(base, MMCIF_CE_INT, 0);
77 sh_mmcif_writel(base, MMCIF_CE_ARG, arg);
78 sh_mmcif_writel(base, MMCIF_CE_CMD_SET, cmd);
79}
80
81extern inline int sh_mmcif_boot_cmd_poll(void __iomem *base, unsigned long mask)
82{
83 unsigned long tmp;
84 int cnt;
85
86 for (cnt = 0; cnt < 1000000; cnt++) {
87 tmp = sh_mmcif_readl(base, MMCIF_CE_INT);
88 if (tmp & mask) {
89 sh_mmcif_writel(base, MMCIF_CE_INT, tmp & ~mask);
90 return 0;
91 }
92 }
93
94 return -1;
95}
96
97extern inline int sh_mmcif_boot_cmd(void __iomem *base,
98 unsigned long cmd, unsigned long arg)
99{
100 sh_mmcif_boot_cmd_send(base, cmd, arg);
101 return sh_mmcif_boot_cmd_poll(base, 0x00010000);
102}
103
104extern inline int sh_mmcif_boot_do_read_single(void __iomem *base,
105 unsigned int block_nr,
106 unsigned long *buf)
107{
108 int k;
109
110 /* CMD13 - Status */
111 sh_mmcif_boot_cmd(base, 0x0d400000, 0x00010000);
112
113 if (sh_mmcif_readl(base, MMCIF_CE_RESP0) != 0x0900)
114 return -1;
115
116 /* CMD17 - Read */
117 sh_mmcif_boot_cmd(base, 0x11480000, block_nr * SH_MMCIF_BBS);
118 if (sh_mmcif_boot_cmd_poll(base, 0x00100000) < 0)
119 return -1;
120
121 for (k = 0; k < (SH_MMCIF_BBS / 4); k++)
122 buf[k] = sh_mmcif_readl(base, MMCIF_CE_DATA);
123
124 return 0;
125}
126
127extern inline int sh_mmcif_boot_do_read(void __iomem *base,
128 unsigned long first_block,
129 unsigned long nr_blocks,
130 void *buf)
131{
132 unsigned long k;
133 int ret = 0;
134
135 /* CMD16 - Set the block size */
136 sh_mmcif_boot_cmd(base, 0x10400000, SH_MMCIF_BBS);
137
138 for (k = 0; !ret && k < nr_blocks; k++)
139 ret = sh_mmcif_boot_do_read_single(base, first_block + k,
140 buf + (k * SH_MMCIF_BBS));
141
142 return ret;
143}
144
145extern inline void sh_mmcif_boot_init(void __iomem *base)
146{
147 unsigned long tmp;
148
149 /* reset */
150 tmp = sh_mmcif_readl(base, MMCIF_CE_VERSION);
151 sh_mmcif_writel(base, MMCIF_CE_VERSION, tmp | 0x80000000);
152 sh_mmcif_writel(base, MMCIF_CE_VERSION, tmp & ~0x80000000);
153
154 /* byte swap */
155 sh_mmcif_writel(base, MMCIF_CE_BUF_ACC, 0x00010000);
156
157 /* Set block size in MMCIF hardware */
158 sh_mmcif_writel(base, MMCIF_CE_BLOCK_SET, SH_MMCIF_BBS);
159
160 /* Enable the clock, set it to Bus clock/256 (about 325Khz)*/
161 sh_mmcif_writel(base, MMCIF_CE_CLK_CTRL, 0x01072fff);
162
163 /* CMD0 */
164 sh_mmcif_boot_cmd(base, 0x00000040, 0);
165
166 /* CMD1 - Get OCR */
167 do {
168 sh_mmcif_boot_cmd(base, 0x01405040, 0x40300000); /* CMD1 */
169 } while ((sh_mmcif_readl(base, MMCIF_CE_RESP0) & 0x80000000)
170 != 0x80000000);
171
172 /* CMD2 - Get CID */
173 sh_mmcif_boot_cmd(base, 0x02806040, 0);
174
175 /* CMD3 - Set card relative address */
176 sh_mmcif_boot_cmd(base, 0x03400040, 0x00010000);
177}
178
179extern inline void sh_mmcif_boot_slurp(void __iomem *base,
180 unsigned char *buf,
181 unsigned long no_bytes)
182{
183 unsigned long tmp;
184
185 /* In data transfer mode: Set clock to Bus clock/4 (about 20Mhz) */
186 sh_mmcif_writel(base, MMCIF_CE_CLK_CTRL, 0x01012fff);
187
188 /* CMD9 - Get CSD */
189 sh_mmcif_boot_cmd(base, 0x09806000, 0x00010000);
190
191 /* CMD7 - Select the card */
192 sh_mmcif_boot_cmd(base, 0x07400000, 0x00010000);
193
194 tmp = no_bytes / SH_MMCIF_BBS;
195 tmp += (no_bytes % SH_MMCIF_BBS) ? 1 : 0;
196
197 sh_mmcif_boot_do_read(base, 512, tmp, buf);
198}
199
200#endif /* __SH_MMCIF_H__ */
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