aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/mfd/tmio.h
blob: 8f6f2e91e7ae639db87613a5426c64effd683996 (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
#ifndef MFD_TMIO_H
#define MFD_TMIO_H

#include <linux/device.h>
#include <linux/fb.h>
#include <linux/io.h>
#include <linux/jiffies.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>

#define tmio_ioread8(addr) readb(addr)
#define tmio_ioread16(addr) readw(addr)
#define tmio_ioread16_rep(r, b, l) readsw(r, b, l)
#define tmio_ioread32(addr) \
	(((u32) readw((addr))) | (((u32) readw((addr) + 2)) << 16))

#define tmio_iowrite8(val, addr) writeb((val), (addr))
#define tmio_iowrite16(val, addr) writew((val), (addr))
#define tmio_iowrite16_rep(r, b, l) writesw(r, b, l)
#define tmio_iowrite32(val, addr) \
	do { \
	writew((val),       (addr)); \
	writew((val) >> 16, (addr) + 2); \
	} while (0)

#define CNF_CMD     0x04
#define CNF_CTL_BASE   0x10
#define CNF_INT_PIN  0x3d
#define CNF_STOP_CLK_CTL 0x40
#define CNF_GCLK_CTL 0x41
#define CNF_SD_CLK_MODE 0x42
#define CNF_PIN_STATUS 0x44
#define CNF_PWR_CTL_1 0x48
#define CNF_PWR_CTL_2 0x49
#define CNF_PWR_CTL_3 0x4a
#define CNF_CARD_DETECT_MODE 0x4c
#define CNF_SD_SLOT 0x50
#define CNF_EXT_GCLK_CTL_1 0xf0
#define CNF_EXT_GCLK_CTL_2 0xf1
#define CNF_EXT_GCLK_CTL_3 0xf9
#define CNF_SD_LED_EN_1 0xfa
#define CNF_SD_LED_EN_2 0xfe

#define   SDCREN 0x2   /* Enable access to MMC CTL regs. (flag in COMMAND_REG)*/

#define sd_config_write8(base, shift, reg, val) \
	tmio_iowrite8((val), (base) + ((reg) << (shift)))
#define sd_config_write16(base, shift, reg, val) \
	tmio_iowrite16((val), (base) + ((reg) << (shift)))
#define sd_config_write32(base, shift, reg, val) \
	do { \
		tmio_iowrite16((val), (base) + ((reg) << (shift)));   \
		tmio_iowrite16((val) >> 16, (base) + ((reg + 2) << (shift))); \
	} while (0)

/* tmio MMC platform flags */
#define TMIO_MMC_WRPROTECT_DISABLE	(1 << 0)
/*
 * Some controllers can support a 2-byte block size when the bus width
 * is configured in 4-bit mode.
 */
#define TMIO_MMC_BLKSZ_2BYTES		(1 << 1)
/*
 * Some controllers can support SDIO IRQ signalling.
 */
#define TMIO_MMC_SDIO_IRQ		(1 << 2)
/*
 * Some controllers require waiting for the SD bus to become
 * idle before writing to some registers.
 */
#define TMIO_MMC_HAS_IDLE_WAIT		(1 << 4)
/*
 * A GPIO is used for card hotplug detection. We need an extra flag for this,
 * because 0 is a valid GPIO number too, and requiring users to specify
 * cd_gpio < 0 to disable GPIO hotplug would break backwards compatibility.
 */
#define TMIO_MMC_USE_GPIO_CD		(1 << 5)

/*
 * Some controllers doesn't have over 0x100 register.
 * it is used to checking accessibility of
 * CTL_SD_CARD_CLK_CTL / CTL_CLK_AND_WAIT_CTL
 */
#define TMIO_MMC_HAVE_HIGH_REG		(1 << 6)

int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);

struct dma_chan;

struct tmio_mmc_dma {
	void *chan_priv_tx;
	void *chan_priv_rx;
	int slave_id_tx;
	int slave_id_rx;
	int alignment_shift;
	bool (*filter)(struct dma_chan *chan, void *arg);
};

struct tmio_mmc_host;

/*
 * data for the MMC controller
 */
struct tmio_mmc_data {
	unsigned int			hclk;
	unsigned long			capabilities;
	unsigned long			capabilities2;
	unsigned long			flags;
	unsigned long			bus_shift;
	u32				ocr_mask;	/* available voltages */
	struct tmio_mmc_dma		*dma;
	struct device			*dev;
	unsigned int			cd_gpio;
	void (*set_pwr)(struct platform_device *host, int state);
	void (*set_clk_div)(struct platform_device *host, int state);
	int (*write16_hook)(struct tmio_mmc_host *host, int addr);
	/* clock management callbacks */
	int (*clk_enable)(struct platform_device *pdev, unsigned int *f);
	void (*clk_disable)(struct platform_device *pdev);
};

/*
 * data for the NAND controller
 */
struct tmio_nand_data {
	struct nand_bbt_descr	*badblock_pattern;
	struct mtd_partition	*partition;
	unsigned int		num_partitions;
};

#define FBIO_TMIO_ACC_WRITE	0x7C639300
#define FBIO_TMIO_ACC_SYNC	0x7C639301

struct tmio_fb_data {
	int			(*lcd_set_power)(struct platform_device *fb_dev,
								bool on);
	int			(*lcd_mode)(struct platform_device *fb_dev,
					const struct fb_videomode *mode);
	int			num_modes;
	struct fb_videomode	*modes;

	/* in mm: size of screen */
	int			height;
	int			width;
};


#endif

Privacy Policy