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git.proxmox.com Git - mirror_ubuntu-focal-kernel.git/blob - include/linux/mfd/tmio.h
4 #include <linux/device.h>
7 #include <linux/jiffies.h>
8 #include <linux/mmc/card.h>
9 #include <linux/platform_device.h>
10 #include <linux/pm_runtime.h>
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))
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) \
23 writew((val), (addr)); \
24 writew((val) >> 16, (addr) + 2); \
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
45 #define SDCREN 0x2 /* Enable access to MMC CTL regs. (flag in COMMAND_REG)*/
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) \
53 tmio_iowrite16((val), (base) + ((reg) << (shift))); \
54 tmio_iowrite16((val) >> 16, (base) + ((reg + 2) << (shift))); \
57 /* tmio MMC platform flags */
58 #define TMIO_MMC_WRPROTECT_DISABLE BIT(0)
60 * Some controllers can support a 2-byte block size when the bus width
61 * is configured in 4-bit mode.
63 #define TMIO_MMC_BLKSZ_2BYTES BIT(1)
65 * Some controllers can support SDIO IRQ signalling.
67 #define TMIO_MMC_SDIO_IRQ BIT(2)
69 /* Some features are only available or tested on R-Car Gen2 or later */
70 #define TMIO_MMC_MIN_RCAR2 BIT(3)
73 * Some controllers require waiting for the SD bus to become
74 * idle before writing to some registers.
76 #define TMIO_MMC_HAS_IDLE_WAIT BIT(4)
78 * A GPIO is used for card hotplug detection. We need an extra flag for this,
79 * because 0 is a valid GPIO number too, and requiring users to specify
80 * cd_gpio < 0 to disable GPIO hotplug would break backwards compatibility.
82 #define TMIO_MMC_USE_GPIO_CD BIT(5)
85 * Some controllers doesn't have over 0x100 register.
86 * it is used to checking accessibility of
87 * CTL_SD_CARD_CLK_CTL / CTL_CLK_AND_WAIT_CTL
89 #define TMIO_MMC_HAVE_HIGH_REG BIT(6)
92 * Some controllers have CMD12 automatically
93 * issue/non-issue register
95 #define TMIO_MMC_HAVE_CMD12_CTRL BIT(7)
97 /* Controller has some SDIO status bits which must be 1 */
98 #define TMIO_MMC_SDIO_STATUS_SETBITS BIT(8)
101 * Some controllers have a 32-bit wide data port register
103 #define TMIO_MMC_32BIT_DATA_PORT BIT(9)
106 * Some controllers allows to set SDx actual clock
108 #define TMIO_MMC_CLK_ACTUAL BIT(10)
110 /* Some controllers have a CBSY bit */
111 #define TMIO_MMC_HAVE_CBSY BIT(11)
113 int tmio_core_mmc_enable(void __iomem
*cnf
, int shift
, unsigned long base
);
114 int tmio_core_mmc_resume(void __iomem
*cnf
, int shift
, unsigned long base
);
115 void tmio_core_mmc_pwr(void __iomem
*cnf
, int shift
, int state
);
116 void tmio_core_mmc_clk_div(void __iomem
*cnf
, int shift
, int state
);
121 * data for the MMC controller
123 struct tmio_mmc_data
{
127 unsigned long capabilities
;
128 unsigned long capabilities2
;
130 u32 ocr_mask
; /* available voltages */
131 unsigned int cd_gpio
;
133 dma_addr_t dma_rx_offset
;
134 unsigned int max_blk_count
;
135 unsigned short max_segs
;
136 void (*set_pwr
)(struct platform_device
*host
, int state
);
137 void (*set_clk_div
)(struct platform_device
*host
, int state
);
141 * data for the NAND controller
143 struct tmio_nand_data
{
144 struct nand_bbt_descr
*badblock_pattern
;
145 struct mtd_partition
*partition
;
146 unsigned int num_partitions
;
149 #define FBIO_TMIO_ACC_WRITE 0x7C639300
150 #define FBIO_TMIO_ACC_SYNC 0x7C639301
152 struct tmio_fb_data
{
153 int (*lcd_set_power
)(struct platform_device
*fb_dev
,
155 int (*lcd_mode
)(struct platform_device
*fb_dev
,
156 const struct fb_videomode
*mode
);
158 struct fb_videomode
*modes
;
160 /* in mm: size of screen */