LXR linux/include/linux/mfd/tmio.h

   1#ifndef MFD_TMIO_H
   2#define MFD_TMIO_H
   3
   4#include <linux/device.h>
   5#include <linux/fb.h>
   6#include <linux/io.h>
   7#include <linux/jiffies.h>
   8#include <linux/mmc/card.h>
   9#include <linux/platform_device.h>
  10#include <linux/pm_runtime.h>
  11
  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))
  17
  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) \
  22        do { \
  23        writew((val),       (addr)); \
  24        writew((val) >> 16, (addr) + 2); \
  25        } while (0)
  26
  27#define CNF_CMD     0x04
  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
  44
  45#define   SDCREN 0x2   /* Enable access to MMC CTL regs. (flag in COMMAND_REG)*/
  46
  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) \
  52        do { \
  53                tmio_iowrite16((val), (base) + ((reg) << (shift)));   \
  54                tmio_iowrite16((val) >> 16, (base) + ((reg + 2) << (shift))); \
  55        } while (0)
  56
  57/* tmio MMC platform flags */
  58#define TMIO_MMC_WRPROTECT_DISABLE      (1 << 0)
  59/*
  60 * Some controllers can support a 2-byte block size when the bus width
  61 * is configured in 4-bit mode.
  62 */
  63#define TMIO_MMC_BLKSZ_2BYTES           (1 << 1)
  64/*
  65 * Some controllers can support SDIO IRQ signalling.
  66 */
  67#define TMIO_MMC_SDIO_IRQ               (1 << 2)
  68
  69/* Some features are only available or tested on RCar Gen2 or later */
  70#define TMIO_MMC_MIN_RCAR2              (1 << 3)
  71
  72/*
  73 * Some controllers require waiting for the SD bus to become
  74 * idle before writing to some registers.
  75 */
  76#define TMIO_MMC_HAS_IDLE_WAIT          (1 << 4)
  77/*
  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.
  81 */
  82#define TMIO_MMC_USE_GPIO_CD            (1 << 5)
  83
  84/*
  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
  88 */
  89#define TMIO_MMC_HAVE_HIGH_REG          (1 << 6)
  90
  91/*
  92 * Some controllers have CMD12 automatically
  93 * issue/non-issue register
  94 */
  95#define TMIO_MMC_HAVE_CMD12_CTRL        (1 << 7)
  96
  97/*
  98 * Some controllers needs to set 1 on SDIO status reserved bits
  99 */
 100#define TMIO_MMC_SDIO_STATUS_QUIRK      (1 << 8)
 101
 102/*
 103 * Some controllers allows to set SDx actual clock
 104 */
 105#define TMIO_MMC_CLK_ACTUAL             (1 << 10)
 106
 107int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
 108int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
 109void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
 110void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);
 111
 112struct dma_chan;
 113
 114/*
 115 * data for the MMC controller
 116 */
 117struct tmio_mmc_data {
 118        void                            *chan_priv_tx;
 119        void                            *chan_priv_rx;
 120        unsigned int                    hclk;
 121        unsigned long                   capabilities;
 122        unsigned long                   capabilities2;
 123        unsigned long                   flags;
 124        u32                             ocr_mask;       /* available voltages */
 125        unsigned int                    cd_gpio;
 126        int                             alignment_shift;
 127        dma_addr_t                      dma_rx_offset;
 128        void (*set_pwr)(struct platform_device *host, int state);
 129        void (*set_clk_div)(struct platform_device *host, int state);
 130};
 131
 132/*
 133 * data for the NAND controller
 134 */
 135struct tmio_nand_data {
 136        struct nand_bbt_descr   *badblock_pattern;
 137        struct mtd_partition    *partition;
 138        unsigned int            num_partitions;
 139};
 140
 141#define FBIO_TMIO_ACC_WRITE     0x7C639300
 142#define FBIO_TMIO_ACC_SYNC      0x7C639301
 143
 144struct tmio_fb_data {
 145        int                     (*lcd_set_power)(struct platform_device *fb_dev,
 146                                                                bool on);
 147        int                     (*lcd_mode)(struct platform_device *fb_dev,
 148                                        const struct fb_videomode *mode);
 149        int                     num_modes;
 150        struct fb_videomode     *modes;
 151
 152        /* in mm: size of screen */
 153        int                     height;
 154        int                     width;
 155};
 156
 157
 158#endif
 159