root/include/linux/mfd/tmio.h

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INCLUDED FROM


#ifndef MFD_TMIO_H
#define MFD_TMIO_H

#include <linux/device.h>
#include <linux/fb.h>
#include <linux/io.h>
#include <linux/jiffies.h>
#include <linux/mmc/card.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>

#define tmio_ioread8(addr) readb(addr)
#define tmio_ioread16(addr) readw(addr)
#define tmio_ioread16_rep(r, b, l) readsw(r, b, l)
#define tmio_ioread32(addr) \
        (((u32) readw((addr))) | (((u32) readw((addr) + 2)) << 16))

#define tmio_iowrite8(val, addr) writeb((val), (addr))
#define tmio_iowrite16(val, addr) writew((val), (addr))
#define tmio_iowrite16_rep(r, b, l) writesw(r, b, l)
#define tmio_iowrite32(val, addr) \
        do { \
        writew((val),       (addr)); \
        writew((val) >> 16, (addr) + 2); \
        } while (0)

#define CNF_CMD     0x04
#define CNF_CTL_BASE   0x10
#define CNF_INT_PIN  0x3d
#define CNF_STOP_CLK_CTL 0x40
#define CNF_GCLK_CTL 0x41
#define CNF_SD_CLK_MODE 0x42
#define CNF_PIN_STATUS 0x44
#define CNF_PWR_CTL_1 0x48
#define CNF_PWR_CTL_2 0x49
#define CNF_PWR_CTL_3 0x4a
#define CNF_CARD_DETECT_MODE 0x4c
#define CNF_SD_SLOT 0x50
#define CNF_EXT_GCLK_CTL_1 0xf0
#define CNF_EXT_GCLK_CTL_2 0xf1
#define CNF_EXT_GCLK_CTL_3 0xf9
#define CNF_SD_LED_EN_1 0xfa
#define CNF_SD_LED_EN_2 0xfe

#define   SDCREN 0x2   /* Enable access to MMC CTL regs. (flag in COMMAND_REG)*/

#define sd_config_write8(base, shift, reg, val) \
        tmio_iowrite8((val), (base) + ((reg) << (shift)))
#define sd_config_write16(base, shift, reg, val) \
        tmio_iowrite16((val), (base) + ((reg) << (shift)))
#define sd_config_write32(base, shift, reg, val) \
        do { \
                tmio_iowrite16((val), (base) + ((reg) << (shift)));   \
                tmio_iowrite16((val) >> 16, (base) + ((reg + 2) << (shift))); \
        } while (0)

/* tmio MMC platform flags */
#define TMIO_MMC_WRPROTECT_DISABLE      (1 << 0)
/*
 * Some controllers can support a 2-byte block size when the bus width
 * is configured in 4-bit mode.
 */
#define TMIO_MMC_BLKSZ_2BYTES           (1 << 1)
/*
 * Some controllers can support SDIO IRQ signalling.
 */
#define TMIO_MMC_SDIO_IRQ               (1 << 2)
/*
 * Some controllers require waiting for the SD bus to become
 * idle before writing to some registers.
 */
#define TMIO_MMC_HAS_IDLE_WAIT          (1 << 4)
/*
 * A GPIO is used for card hotplug detection. We need an extra flag for this,
 * because 0 is a valid GPIO number too, and requiring users to specify
 * cd_gpio < 0 to disable GPIO hotplug would break backwards compatibility.
 */
#define TMIO_MMC_USE_GPIO_CD            (1 << 5)

/*
 * Some controllers doesn't have over 0x100 register.
 * it is used to checking accessibility of
 * CTL_SD_CARD_CLK_CTL / CTL_CLK_AND_WAIT_CTL
 */
#define TMIO_MMC_HAVE_HIGH_REG          (1 << 6)

/*
 * Some controllers have CMD12 automatically
 * issue/non-issue register
 */
#define TMIO_MMC_HAVE_CMD12_CTRL        (1 << 7)

/*
 * Some controllers needs to set 1 on SDIO status reserved bits
 */
#define TMIO_MMC_SDIO_STATUS_QUIRK      (1 << 8)

/*
 * Some controllers have DMA enable/disable register
 */
#define TMIO_MMC_HAVE_CTL_DMA_REG       (1 << 9)

/*
 * Some controllers allows to set SDx actual clock
 */
#define TMIO_MMC_CLK_ACTUAL             (1 << 10)

int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);

struct dma_chan;

struct tmio_mmc_dma {
        void *chan_priv_tx;
        void *chan_priv_rx;
        int slave_id_tx;
        int slave_id_rx;
        int alignment_shift;
        dma_addr_t dma_rx_offset;
        bool (*filter)(struct dma_chan *chan, void *arg);
};

struct tmio_mmc_host;

/*
 * data for the MMC controller
 */
struct tmio_mmc_data {
        unsigned int                    hclk;
        unsigned long                   capabilities;
        unsigned long                   capabilities2;
        unsigned long                   flags;
        unsigned long                   bus_shift;
        u32                             ocr_mask;       /* available voltages */
        struct tmio_mmc_dma             *dma;
        struct device                   *dev;
        unsigned int                    cd_gpio;
        void (*set_pwr)(struct platform_device *host, int state);
        void (*set_clk_div)(struct platform_device *host, int state);
        int (*write16_hook)(struct tmio_mmc_host *host, int addr);
        /* clock management callbacks */
        int (*clk_enable)(struct platform_device *pdev, unsigned int *f);
        void (*clk_disable)(struct platform_device *pdev);
        int (*multi_io_quirk)(struct mmc_card *card,
                              unsigned int direction, int blk_size);
};

/*
 * data for the NAND controller
 */
struct tmio_nand_data {
        struct nand_bbt_descr   *badblock_pattern;
        struct mtd_partition    *partition;
        unsigned int            num_partitions;
};

#define FBIO_TMIO_ACC_WRITE     0x7C639300
#define FBIO_TMIO_ACC_SYNC      0x7C639301

struct tmio_fb_data {
        int                     (*lcd_set_power)(struct platform_device *fb_dev,
                                                                bool on);
        int                     (*lcd_mode)(struct platform_device *fb_dev,
                                        const struct fb_videomode *mode);
        int                     num_modes;
        struct fb_videomode     *modes;

        /* in mm: size of screen */
        int                     height;
        int                     width;
};


#endif

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