summaryrefslogtreecommitdiffstats
path: root/drivers/mmc/host/tmio_mmc.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mmc/host/tmio_mmc.h')
-rw-r--r--drivers/mmc/host/tmio_mmc.h75
1 files changed, 66 insertions, 9 deletions
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index 4a597f5a53e2..1aac2ad8edf2 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