diff options
Diffstat (limited to 'include/linux/mfd/tmio.h')
| -rw-r--r-- | include/linux/mfd/tmio.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h new file mode 100644 index 00000000..f5171dbf --- /dev/null +++ b/include/linux/mfd/tmio.h @@ -0,0 +1,153 @@ +#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/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 platforms can detect card insertion events with controller powered + * down, using a GPIO IRQ, in which case they have to fill in cd_irq, cd_gpio, + * and cd_flags fields of struct tmio_mmc_data. + */ +#define TMIO_MMC_HAS_COLD_CD (1 << 3) +/* + * 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) + +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 tmio_mmc_dma { + void *chan_priv_tx; + void *chan_priv_rx; + int alignment_shift; +}; + +struct tmio_mmc_host; + +/* + * data for the MMC controller + */ +struct tmio_mmc_data { + unsigned int hclk; + unsigned long capabilities; + unsigned long flags; + 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 (*get_cd)(struct platform_device *host); + int (*write16_hook)(struct tmio_mmc_host *host, int addr); +}; + +/* + * This function is deprecated and will be removed soon. Please, convert your + * platform to use drivers/mmc/core/cd-gpio.c + */ +#include <linux/mmc/host.h> +static inline void tmio_mmc_cd_wakeup(struct tmio_mmc_data *pdata) +{ + if (pdata) + mmc_detect_change(dev_get_drvdata(pdata->dev), + msecs_to_jiffies(100)); +} + +/* + * 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 |