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Dmitry Baryshkovf024ff12008-06-27 10:37:57 +01001#ifndef MFD_TMIO_H
2#define MFD_TMIO_H
3
Guennadi Liakhovetskic8be24c2012-02-09 22:57:09 +01004#include <linux/device.h>
Dmitry Baryshkovb53cde32008-10-15 22:03:55 -07005#include <linux/fb.h>
Ian Molton64e88672010-01-06 13:51:48 +01006#include <linux/io.h>
Guennadi Liakhovetskic8be24c2012-02-09 22:57:09 +01007#include <linux/jiffies.h>
Ian Molton64e88672010-01-06 13:51:48 +01008#include <linux/platform_device.h>
Guennadi Liakhovetski7311bef2011-05-11 16:51:11 +00009#include <linux/pm_runtime.h>
Dmitry Baryshkovb53cde32008-10-15 22:03:55 -070010
Ian Moltond3a2f712008-07-31 20:44:28 +020011#define tmio_ioread8(addr) readb(addr)
12#define tmio_ioread16(addr) readw(addr)
13#define tmio_ioread16_rep(r, b, l) readsw(r, b, l)
14#define tmio_ioread32(addr) \
15 (((u32) readw((addr))) | (((u32) readw((addr) + 2)) << 16))
16
17#define tmio_iowrite8(val, addr) writeb((val), (addr))
18#define tmio_iowrite16(val, addr) writew((val), (addr))
19#define tmio_iowrite16_rep(r, b, l) writesw(r, b, l)
20#define tmio_iowrite32(val, addr) \
21 do { \
22 writew((val), (addr)); \
23 writew((val) >> 16, (addr) + 2); \
24 } while (0)
25
Ian Molton64e88672010-01-06 13:51:48 +010026#define CNF_CMD 0x04
27#define CNF_CTL_BASE 0x10
28#define CNF_INT_PIN 0x3d
29#define CNF_STOP_CLK_CTL 0x40
30#define CNF_GCLK_CTL 0x41
31#define CNF_SD_CLK_MODE 0x42
32#define CNF_PIN_STATUS 0x44
33#define CNF_PWR_CTL_1 0x48
34#define CNF_PWR_CTL_2 0x49
35#define CNF_PWR_CTL_3 0x4a
36#define CNF_CARD_DETECT_MODE 0x4c
37#define CNF_SD_SLOT 0x50
38#define CNF_EXT_GCLK_CTL_1 0xf0
39#define CNF_EXT_GCLK_CTL_2 0xf1
40#define CNF_EXT_GCLK_CTL_3 0xf9
41#define CNF_SD_LED_EN_1 0xfa
42#define CNF_SD_LED_EN_2 0xfe
43
44#define SDCREN 0x2 /* Enable access to MMC CTL regs. (flag in COMMAND_REG)*/
45
46#define sd_config_write8(base, shift, reg, val) \
47 tmio_iowrite8((val), (base) + ((reg) << (shift)))
48#define sd_config_write16(base, shift, reg, val) \
49 tmio_iowrite16((val), (base) + ((reg) << (shift)))
50#define sd_config_write32(base, shift, reg, val) \
51 do { \
52 tmio_iowrite16((val), (base) + ((reg) << (shift))); \
53 tmio_iowrite16((val) >> 16, (base) + ((reg + 2) << (shift))); \
54 } while (0)
55
Guennadi Liakhovetskiac8fb3e2010-05-19 18:36:02 +000056/* tmio MMC platform flags */
57#define TMIO_MMC_WRPROTECT_DISABLE (1 << 0)
Yusuke Godaf1334fb2010-08-30 11:50:19 +010058/*
59 * Some controllers can support a 2-byte block size when the bus width
60 * is configured in 4-bit mode.
61 */
62#define TMIO_MMC_BLKSZ_2BYTES (1 << 1)
Arnd Hannemann845ecd22010-12-28 23:22:31 +010063/*
64 * Some controllers can support SDIO IRQ signalling.
65 */
66#define TMIO_MMC_SDIO_IRQ (1 << 2)
Guennadi Liakhovetski7311bef2011-05-11 16:51:11 +000067/*
68 * Some platforms can detect card insertion events with controller powered
Guennadi Liakhovetskic8be24c2012-02-09 22:57:09 +010069 * down, using a GPIO IRQ, in which case they have to fill in cd_irq, cd_gpio,
70 * and cd_flags fields of struct tmio_mmc_data.
Guennadi Liakhovetski7311bef2011-05-11 16:51:11 +000071 */
72#define TMIO_MMC_HAS_COLD_CD (1 << 3)
Simon Horman973ed3a2011-06-21 08:00:10 +090073/*
74 * Some controllers require waiting for the SD bus to become
75 * idle before writing to some registers.
76 */
77#define TMIO_MMC_HAS_IDLE_WAIT (1 << 4)
Guennadi Liakhovetskic8be24c2012-02-09 22:57:09 +010078/*
79 * A GPIO is used for card hotplug detection. We need an extra flag for this,
80 * because 0 is a valid GPIO number too, and requiring users to specify
81 * cd_gpio < 0 to disable GPIO hotplug would break backwards compatibility.
82 */
83#define TMIO_MMC_USE_GPIO_CD (1 << 5)
Guennadi Liakhovetskiac8fb3e2010-05-19 18:36:02 +000084
Ian Molton64e88672010-01-06 13:51:48 +010085int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
86int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
87void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
88void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);
89
Guennadi Liakhovetski42a45332010-05-19 18:34:11 +000090struct tmio_mmc_dma {
91 void *chan_priv_tx;
92 void *chan_priv_rx;
Guennadi Liakhovetski93173052010-12-22 12:02:15 +010093 int alignment_shift;
Guennadi Liakhovetski42a45332010-05-19 18:34:11 +000094};
95
Simon Horman973ed3a2011-06-21 08:00:10 +090096struct tmio_mmc_host;
97
Dmitry Baryshkovf024ff12008-06-27 10:37:57 +010098/*
Philipp Zabelf0e46cc2009-06-04 20:12:31 +020099 * data for the MMC controller
100 */
101struct tmio_mmc_data {
Magnus Damm707f0b22010-02-17 16:38:14 +0900102 unsigned int hclk;
Yusuke Godab741d442010-02-17 16:37:55 +0900103 unsigned long capabilities;
Guennadi Liakhovetskiac8fb3e2010-05-19 18:36:02 +0000104 unsigned long flags;
Guennadi Liakhovetskia2b14dc2010-05-19 18:37:25 +0000105 u32 ocr_mask; /* available voltages */
Guennadi Liakhovetski42a45332010-05-19 18:34:11 +0000106 struct tmio_mmc_dma *dma;
Guennadi Liakhovetski7311bef2011-05-11 16:51:11 +0000107 struct device *dev;
Guennadi Liakhovetskic8be24c2012-02-09 22:57:09 +0100108 unsigned int cd_gpio;
Ian Molton64e88672010-01-06 13:51:48 +0100109 void (*set_pwr)(struct platform_device *host, int state);
110 void (*set_clk_div)(struct platform_device *host, int state);
Arnd Hannemann19ca7502010-08-24 17:26:59 +0200111 int (*get_cd)(struct platform_device *host);
Simon Horman973ed3a2011-06-21 08:00:10 +0900112 int (*write16_hook)(struct tmio_mmc_host *host, int addr);
Philipp Zabelf0e46cc2009-06-04 20:12:31 +0200113};
114
Guennadi Liakhovetskic8be24c2012-02-09 22:57:09 +0100115/*
116 * This function is deprecated and will be removed soon. Please, convert your
117 * platform to use drivers/mmc/core/cd-gpio.c
118 */
119#include <linux/mmc/host.h>
Guennadi Liakhovetski7311bef2011-05-11 16:51:11 +0000120static inline void tmio_mmc_cd_wakeup(struct tmio_mmc_data *pdata)
121{
Guennadi Liakhovetskic8be24c2012-02-09 22:57:09 +0100122 if (pdata)
123 mmc_detect_change(dev_get_drvdata(pdata->dev),
124 msecs_to_jiffies(100));
Guennadi Liakhovetski7311bef2011-05-11 16:51:11 +0000125}
126
Philipp Zabelf0e46cc2009-06-04 20:12:31 +0200127/*
Dmitry Baryshkovf024ff12008-06-27 10:37:57 +0100128 * data for the NAND controller
129 */
130struct tmio_nand_data {
131 struct nand_bbt_descr *badblock_pattern;
132 struct mtd_partition *partition;
133 unsigned int num_partitions;
134};
135
Dmitry Baryshkovb53cde32008-10-15 22:03:55 -0700136#define FBIO_TMIO_ACC_WRITE 0x7C639300
137#define FBIO_TMIO_ACC_SYNC 0x7C639301
138
139struct tmio_fb_data {
140 int (*lcd_set_power)(struct platform_device *fb_dev,
141 bool on);
142 int (*lcd_mode)(struct platform_device *fb_dev,
143 const struct fb_videomode *mode);
144 int num_modes;
145 struct fb_videomode *modes;
146
147 /* in mm: size of screen */
148 int height;
149 int width;
150};
151
152
Dmitry Baryshkovf024ff12008-06-27 10:37:57 +0100153#endif