xref: /linux/include/linux/mfd/tmio.h (revision 14b9f27886ce69c5f11445d107dd020f6fc5754b)
1 #ifndef MFD_TMIO_H
2 #define MFD_TMIO_H
3 
4 #include <linux/fb.h>
5 #include <linux/io.h>
6 #include <linux/platform_device.h>
7 #include <linux/pm_runtime.h>
8 
9 #define tmio_ioread8(addr) readb(addr)
10 #define tmio_ioread16(addr) readw(addr)
11 #define tmio_ioread16_rep(r, b, l) readsw(r, b, l)
12 #define tmio_ioread32(addr) \
13 	(((u32) readw((addr))) | (((u32) readw((addr) + 2)) << 16))
14 
15 #define tmio_iowrite8(val, addr) writeb((val), (addr))
16 #define tmio_iowrite16(val, addr) writew((val), (addr))
17 #define tmio_iowrite16_rep(r, b, l) writesw(r, b, l)
18 #define tmio_iowrite32(val, addr) \
19 	do { \
20 	writew((val),       (addr)); \
21 	writew((val) >> 16, (addr) + 2); \
22 	} while (0)
23 
24 #define CNF_CMD     0x04
25 #define CNF_CTL_BASE   0x10
26 #define CNF_INT_PIN  0x3d
27 #define CNF_STOP_CLK_CTL 0x40
28 #define CNF_GCLK_CTL 0x41
29 #define CNF_SD_CLK_MODE 0x42
30 #define CNF_PIN_STATUS 0x44
31 #define CNF_PWR_CTL_1 0x48
32 #define CNF_PWR_CTL_2 0x49
33 #define CNF_PWR_CTL_3 0x4a
34 #define CNF_CARD_DETECT_MODE 0x4c
35 #define CNF_SD_SLOT 0x50
36 #define CNF_EXT_GCLK_CTL_1 0xf0
37 #define CNF_EXT_GCLK_CTL_2 0xf1
38 #define CNF_EXT_GCLK_CTL_3 0xf9
39 #define CNF_SD_LED_EN_1 0xfa
40 #define CNF_SD_LED_EN_2 0xfe
41 
42 #define   SDCREN 0x2   /* Enable access to MMC CTL regs. (flag in COMMAND_REG)*/
43 
44 #define sd_config_write8(base, shift, reg, val) \
45 	tmio_iowrite8((val), (base) + ((reg) << (shift)))
46 #define sd_config_write16(base, shift, reg, val) \
47 	tmio_iowrite16((val), (base) + ((reg) << (shift)))
48 #define sd_config_write32(base, shift, reg, val) \
49 	do { \
50 		tmio_iowrite16((val), (base) + ((reg) << (shift)));   \
51 		tmio_iowrite16((val) >> 16, (base) + ((reg + 2) << (shift))); \
52 	} while (0)
53 
54 /* tmio MMC platform flags */
55 #define TMIO_MMC_WRPROTECT_DISABLE	(1 << 0)
56 /*
57  * Some controllers can support a 2-byte block size when the bus width
58  * is configured in 4-bit mode.
59  */
60 #define TMIO_MMC_BLKSZ_2BYTES		(1 << 1)
61 /*
62  * Some controllers can support SDIO IRQ signalling.
63  */
64 #define TMIO_MMC_SDIO_IRQ		(1 << 2)
65 /*
66  * Some platforms can detect card insertion events with controller powered
67  * down, in which case they have to call tmio_mmc_cd_wakeup() to power up the
68  * controller and report the event to the driver.
69  */
70 #define TMIO_MMC_HAS_COLD_CD		(1 << 3)
71 
72 int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
73 int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
74 void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
75 void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);
76 
77 struct tmio_mmc_dma {
78 	void *chan_priv_tx;
79 	void *chan_priv_rx;
80 	int alignment_shift;
81 };
82 
83 /*
84  * data for the MMC controller
85  */
86 struct tmio_mmc_data {
87 	unsigned int			hclk;
88 	unsigned long			capabilities;
89 	unsigned long			flags;
90 	u32				ocr_mask;	/* available voltages */
91 	struct tmio_mmc_dma		*dma;
92 	struct device			*dev;
93 	bool				power;
94 	void (*set_pwr)(struct platform_device *host, int state);
95 	void (*set_clk_div)(struct platform_device *host, int state);
96 	int (*get_cd)(struct platform_device *host);
97 };
98 
99 static inline void tmio_mmc_cd_wakeup(struct tmio_mmc_data *pdata)
100 {
101 	if (pdata && !pdata->power) {
102 		pdata->power = true;
103 		pm_runtime_get(pdata->dev);
104 	}
105 }
106 
107 /*
108  * data for the NAND controller
109  */
110 struct tmio_nand_data {
111 	struct nand_bbt_descr	*badblock_pattern;
112 	struct mtd_partition	*partition;
113 	unsigned int		num_partitions;
114 };
115 
116 #define FBIO_TMIO_ACC_WRITE	0x7C639300
117 #define FBIO_TMIO_ACC_SYNC	0x7C639301
118 
119 struct tmio_fb_data {
120 	int			(*lcd_set_power)(struct platform_device *fb_dev,
121 								bool on);
122 	int			(*lcd_mode)(struct platform_device *fb_dev,
123 					const struct fb_videomode *mode);
124 	int			num_modes;
125 	struct fb_videomode	*modes;
126 
127 	/* in mm: size of screen */
128 	int			height;
129 	int			width;
130 };
131 
132 
133 #endif
134