diff options
Diffstat (limited to 'drivers/mmc/host/tmio_mmc.h')
| -rw-r--r-- | drivers/mmc/host/tmio_mmc.h | 75 |
1 files changed, 66 insertions, 9 deletions
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h index 4a597f5a5..1aac2ad8e 100644 --- a/drivers/mmc/host/tmio_mmc.h +++ b/drivers/mmc/host/tmio_mmc.h @@ -1,6 +1,8 @@ /* * linux/drivers/mmc/host/tmio_mmc.h * + * Copyright (C) 2016 Sang Engineering, Wolfram Sang + * Copyright (C) 2015-16 Renesas Electronics Corporation * Copyright (C) 2007 Ian Molton * Copyright (C) 2004 Ian Molton * @@ -18,12 +20,67 @@ #include <linux/dmaengine.h> #include <linux/highmem.h> -#include <linux/mmc/tmio.h> #include <linux/mutex.h> #include <linux/pagemap.h> #include <linux/scatterlist.h> #include <linux/spinlock.h> +#define CTL_SD_CMD 0x00 +#define CTL_ARG_REG 0x04 +#define CTL_STOP_INTERNAL_ACTION 0x08 +#define CTL_XFER_BLK_COUNT 0xa +#define CTL_RESPONSE 0x0c +/* driver merges STATUS and following STATUS2 */ +#define CTL_STATUS 0x1c +/* driver merges IRQ_MASK and following IRQ_MASK2 */ +#define CTL_IRQ_MASK 0x20 +#define CTL_SD_CARD_CLK_CTL 0x24 +#define CTL_SD_XFER_LEN 0x26 +#define CTL_SD_MEM_CARD_OPT 0x28 +#define CTL_SD_ERROR_DETAIL_STATUS 0x2c +#define CTL_SD_DATA_PORT 0x30 +#define CTL_TRANSACTION_CTL 0x34 +#define CTL_SDIO_STATUS 0x36 +#define CTL_SDIO_IRQ_MASK 0x38 +#define CTL_DMA_ENABLE 0xd8 +#define CTL_RESET_SD 0xe0 +#define CTL_VERSION 0xe2 +#define CTL_SDIO_REGS 0x100 +#define CTL_CLK_AND_WAIT_CTL 0x138 +#define CTL_RESET_SDIO 0x1e0 + +/* Definitions for values the CTRL_STATUS register can take. */ +#define TMIO_STAT_CMDRESPEND BIT(0) +#define TMIO_STAT_DATAEND BIT(2) +#define TMIO_STAT_CARD_REMOVE BIT(3) +#define TMIO_STAT_CARD_INSERT BIT(4) +#define TMIO_STAT_SIGSTATE BIT(5) +#define TMIO_STAT_WRPROTECT BIT(7) +#define TMIO_STAT_CARD_REMOVE_A BIT(8) +#define TMIO_STAT_CARD_INSERT_A BIT(9) +#define TMIO_STAT_SIGSTATE_A BIT(10) + +/* These belong technically to CTRL_STATUS2, but the driver merges them */ +#define TMIO_STAT_CMD_IDX_ERR BIT(16) +#define TMIO_STAT_CRCFAIL BIT(17) +#define TMIO_STAT_STOPBIT_ERR BIT(18) +#define TMIO_STAT_DATATIMEOUT BIT(19) +#define TMIO_STAT_RXOVERFLOW BIT(20) +#define TMIO_STAT_TXUNDERRUN BIT(21) +#define TMIO_STAT_CMDTIMEOUT BIT(22) +#define TMIO_STAT_DAT0 BIT(23) /* only known on R-Car so far */ +#define TMIO_STAT_RXRDY BIT(24) +#define TMIO_STAT_TXRQ BIT(25) +#define TMIO_STAT_ILL_FUNC BIT(29) /* only when !TMIO_MMC_HAS_IDLE_WAIT */ +#define TMIO_STAT_SCLKDIVEN BIT(29) /* only when TMIO_MMC_HAS_IDLE_WAIT */ +#define TMIO_STAT_CMD_BUSY BIT(30) +#define TMIO_STAT_ILL_ACCESS BIT(31) + +#define CLK_CTL_DIV_MASK 0xff +#define CLK_CTL_SCLKEN BIT(8) + +#define TMIO_BBS 512 /* Boot block size */ + /* Definitions for values the CTRL_SDIO_STATUS register can take. */ #define TMIO_SDIO_STAT_IOIRQ 0x0001 #define TMIO_SDIO_STAT_EXPUB52 0x4000 @@ -95,10 +152,14 @@ struct tmio_mmc_host { bool sdio_irq_enabled; int (*write16_hook)(struct tmio_mmc_host *host, int addr); - int (*clk_enable)(struct platform_device *pdev, unsigned int *f); - void (*clk_disable)(struct platform_device *pdev); + int (*clk_enable)(struct tmio_mmc_host *host); + unsigned int (*clk_update)(struct tmio_mmc_host *host, + unsigned int new_clock); + void (*clk_disable)(struct tmio_mmc_host *host); int (*multi_io_quirk)(struct mmc_card *card, unsigned int direction, int blk_size); + int (*start_signal_voltage_switch)(struct mmc_host *mmc, + struct mmc_ios *ios); }; struct tmio_mmc_host *tmio_mmc_host_alloc(struct platform_device *pdev); @@ -111,9 +172,6 @@ void tmio_mmc_do_data_irq(struct tmio_mmc_host *host); void tmio_mmc_enable_mmc_irqs(struct tmio_mmc_host *host, u32 i); void tmio_mmc_disable_mmc_irqs(struct tmio_mmc_host *host, u32 i); irqreturn_t tmio_mmc_irq(int irq, void *devid); -irqreturn_t tmio_mmc_sdcard_irq(int irq, void *devid); -irqreturn_t tmio_mmc_card_detect_irq(int irq, void *devid); -irqreturn_t tmio_mmc_sdio_irq(int irq, void *devid); static inline char *tmio_mmc_kmap_atomic(struct scatterlist *sg, unsigned long *flags) @@ -177,7 +235,7 @@ static inline void sd_ctrl_read16_rep(struct tmio_mmc_host *host, int addr, readsw(host->ctl + (addr << host->bus_shift), buf, count); } -static inline u32 sd_ctrl_read32(struct tmio_mmc_host *host, int addr) +static inline u32 sd_ctrl_read16_and_16_as_32(struct tmio_mmc_host *host, int addr) { return readw(host->ctl + (addr << host->bus_shift)) | readw(host->ctl + ((addr + 2) << host->bus_shift)) << 16; @@ -199,11 +257,10 @@ static inline void sd_ctrl_write16_rep(struct tmio_mmc_host *host, int addr, writesw(host->ctl + (addr << host->bus_shift), buf, count); } -static inline void sd_ctrl_write32(struct tmio_mmc_host *host, int addr, u32 val) +static inline void sd_ctrl_write32_as_16_and_16(struct tmio_mmc_host *host, int addr, u32 val) { writew(val, host->ctl + (addr << host->bus_shift)); writew(val >> 16, host->ctl + ((addr + 2) << host->bus_shift)); } - #endif |