1 #ifndef MFD_TMIO_H
2 #define MFD_TMIO_H
3 
4 #include <linux/device.h>
5 #include <linux/fb.h>
6 #include <linux/io.h>
7 #include <linux/jiffies.h>
8 #include <linux/mmc/card.h>
9 #include <linux/platform_device.h>
10 #include <linux/pm_runtime.h>
11 
12 #define tmio_ioread8(addr) readb(addr)
13 #define tmio_ioread16(addr) readw(addr)
14 #define tmio_ioread16_rep(r, b, l) readsw(r, b, l)
15 #define tmio_ioread32(addr) \
16 	(((u32) readw((addr))) | (((u32) readw((addr) + 2)) << 16))
17 
18 #define tmio_iowrite8(val, addr) writeb((val), (addr))
19 #define tmio_iowrite16(val, addr) writew((val), (addr))
20 #define tmio_iowrite16_rep(r, b, l) writesw(r, b, l)
21 #define tmio_iowrite32(val, addr) \
22 	do { \
23 	writew((val),       (addr)); \
24 	writew((val) >> 16, (addr) + 2); \
25 	} while (0)
26 
27 #define CNF_CMD     0x04
28 #define CNF_CTL_BASE   0x10
29 #define CNF_INT_PIN  0x3d
30 #define CNF_STOP_CLK_CTL 0x40
31 #define CNF_GCLK_CTL 0x41
32 #define CNF_SD_CLK_MODE 0x42
33 #define CNF_PIN_STATUS 0x44
34 #define CNF_PWR_CTL_1 0x48
35 #define CNF_PWR_CTL_2 0x49
36 #define CNF_PWR_CTL_3 0x4a
37 #define CNF_CARD_DETECT_MODE 0x4c
38 #define CNF_SD_SLOT 0x50
39 #define CNF_EXT_GCLK_CTL_1 0xf0
40 #define CNF_EXT_GCLK_CTL_2 0xf1
41 #define CNF_EXT_GCLK_CTL_3 0xf9
42 #define CNF_SD_LED_EN_1 0xfa
43 #define CNF_SD_LED_EN_2 0xfe
44 
45 #define   SDCREN 0x2   /* Enable access to MMC CTL regs. (flag in COMMAND_REG)*/
46 
47 #define sd_config_write8(base, shift, reg, val) \
48 	tmio_iowrite8((val), (base) + ((reg) << (shift)))
49 #define sd_config_write16(base, shift, reg, val) \
50 	tmio_iowrite16((val), (base) + ((reg) << (shift)))
51 #define sd_config_write32(base, shift, reg, val) \
52 	do { \
53 		tmio_iowrite16((val), (base) + ((reg) << (shift)));   \
54 		tmio_iowrite16((val) >> 16, (base) + ((reg + 2) << (shift))); \
55 	} while (0)
56 
57 /* tmio MMC platform flags */
58 #define TMIO_MMC_WRPROTECT_DISABLE	(1 << 0)
59 /*
60  * Some controllers can support a 2-byte block size when the bus width
61  * is configured in 4-bit mode.
62  */
63 #define TMIO_MMC_BLKSZ_2BYTES		(1 << 1)
64 /*
65  * Some controllers can support SDIO IRQ signalling.
66  */
67 #define TMIO_MMC_SDIO_IRQ		(1 << 2)
68 /*
69  * Some controllers require waiting for the SD bus to become
70  * idle before writing to some registers.
71  */
72 #define TMIO_MMC_HAS_IDLE_WAIT		(1 << 4)
73 /*
74  * A GPIO is used for card hotplug detection. We need an extra flag for this,
75  * because 0 is a valid GPIO number too, and requiring users to specify
76  * cd_gpio < 0 to disable GPIO hotplug would break backwards compatibility.
77  */
78 #define TMIO_MMC_USE_GPIO_CD		(1 << 5)
79 
80 /*
81  * Some controllers doesn't have over 0x100 register.
82  * it is used to checking accessibility of
83  * CTL_SD_CARD_CLK_CTL / CTL_CLK_AND_WAIT_CTL
84  */
85 #define TMIO_MMC_HAVE_HIGH_REG		(1 << 6)
86 
87 /*
88  * Some controllers have CMD12 automatically
89  * issue/non-issue register
90  */
91 #define TMIO_MMC_HAVE_CMD12_CTRL	(1 << 7)
92 
93 /*
94  * Some controllers needs to set 1 on SDIO status reserved bits
95  */
96 #define TMIO_MMC_SDIO_STATUS_QUIRK	(1 << 8)
97 
98 /*
99  * Some controllers allows to set SDx actual clock
100  */
101 #define TMIO_MMC_CLK_ACTUAL		(1 << 10)
102 
103 int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
104 int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
105 void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
106 void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);
107 
108 struct dma_chan;
109 
110 /*
111  * data for the MMC controller
112  */
113 struct tmio_mmc_data {
114 	void				*chan_priv_tx;
115 	void				*chan_priv_rx;
116 	unsigned int			hclk;
117 	unsigned long			capabilities;
118 	unsigned long			capabilities2;
119 	unsigned long			flags;
120 	u32				ocr_mask;	/* available voltages */
121 	unsigned int			cd_gpio;
122 	int				alignment_shift;
123 	dma_addr_t			dma_rx_offset;
124 	void (*set_pwr)(struct platform_device *host, int state);
125 	void (*set_clk_div)(struct platform_device *host, int state);
126 };
127 
128 /*
129  * data for the NAND controller
130  */
131 struct tmio_nand_data {
132 	struct nand_bbt_descr	*badblock_pattern;
133 	struct mtd_partition	*partition;
134 	unsigned int		num_partitions;
135 };
136 
137 #define FBIO_TMIO_ACC_WRITE	0x7C639300
138 #define FBIO_TMIO_ACC_SYNC	0x7C639301
139 
140 struct tmio_fb_data {
141 	int			(*lcd_set_power)(struct platform_device *fb_dev,
142 								bool on);
143 	int			(*lcd_mode)(struct platform_device *fb_dev,
144 					const struct fb_videomode *mode);
145 	int			num_modes;
146 	struct fb_videomode	*modes;
147 
148 	/* in mm: size of screen */
149 	int			height;
150 	int			width;
151 };
152 
153 
154 #endif
155