Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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 * Some controllers require waiting for the SD bus to become
73 * idle before writing to some registers.
74 */
75#define TMIO_MMC_HAS_IDLE_WAIT (1 << 4)
76
77int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
78int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
79void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
80void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);
81
82struct tmio_mmc_dma {
83 void *chan_priv_tx;
84 void *chan_priv_rx;
85 int alignment_shift;
86};
87
88struct tmio_mmc_host;
89
90/*
91 * data for the MMC controller
92 */
93struct tmio_mmc_data {
94 unsigned int hclk;
95 unsigned long capabilities;
96 unsigned long flags;
97 u32 ocr_mask; /* available voltages */
98 struct tmio_mmc_dma *dma;
99 struct device *dev;
100 bool power;
101 void (*set_pwr)(struct platform_device *host, int state);
102 void (*set_clk_div)(struct platform_device *host, int state);
103 int (*get_cd)(struct platform_device *host);
104 int (*write16_hook)(struct tmio_mmc_host *host, int addr);
105};
106
107static inline void tmio_mmc_cd_wakeup(struct tmio_mmc_data *pdata)
108{
109 if (pdata && !pdata->power) {
110 pdata->power = true;
111 pm_runtime_get(pdata->dev);
112 }
113}
114
115/*
116 * data for the NAND controller
117 */
118struct tmio_nand_data {
119 struct nand_bbt_descr *badblock_pattern;
120 struct mtd_partition *partition;
121 unsigned int num_partitions;
122};
123
124#define FBIO_TMIO_ACC_WRITE 0x7C639300
125#define FBIO_TMIO_ACC_SYNC 0x7C639301
126
127struct tmio_fb_data {
128 int (*lcd_set_power)(struct platform_device *fb_dev,
129 bool on);
130 int (*lcd_mode)(struct platform_device *fb_dev,
131 const struct fb_videomode *mode);
132 int num_modes;
133 struct fb_videomode *modes;
134
135 /* in mm: size of screen */
136 int height;
137 int width;
138};
139
140
141#endif