mfd: tmio_mmc hardware abstraction for CNF area
This patch abstracts out the CNF area code from tmio_mmc which
is not present in all hardware that can use this driver. This
is required so that we can support non-toshiba based hardware.
ASIC3 support by Philipp Zabel
Signed-off-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index 9fa9985..692dc23 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -11,26 +11,6 @@
#include <linux/highmem.h>
-#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 CTL_SD_CMD 0x00
#define CTL_ARG_REG 0x04
#define CTL_STOP_INTERNAL_ACTION 0x08
@@ -110,7 +90,6 @@
struct tmio_mmc_host {
- void __iomem *cnf;
void __iomem *ctl;
unsigned long bus_shift;
struct mmc_command *cmd;
@@ -119,10 +98,16 @@
struct mmc_host *mmc;
int irq;
+ /* Callbacks for clock / power control */
+ void (*set_pwr)(struct platform_device *host, int state);
+ void (*set_clk_div)(struct platform_device *host, int state);
+
/* pio related stuff */
struct scatterlist *sg_ptr;
unsigned int sg_len;
unsigned int sg_off;
+
+ struct platform_device *pdev;
};
#include <linux/io.h>
@@ -163,25 +148,6 @@
writew(val >> 16, host->ctl + ((addr + 2) << host->bus_shift));
}
-static inline void sd_config_write8(struct tmio_mmc_host *host, int addr,
- u8 val)
-{
- writeb(val, host->cnf + (addr << host->bus_shift));
-}
-
-static inline void sd_config_write16(struct tmio_mmc_host *host, int addr,
- u16 val)
-{
- writew(val, host->cnf + (addr << host->bus_shift));
-}
-
-static inline void sd_config_write32(struct tmio_mmc_host *host, int addr,
- u32 val)
-{
- writew(val, host->cnf + (addr << host->bus_shift));
- writew(val >> 16, host->cnf + ((addr + 2) << host->bus_shift));
-}
-
#include <linux/scatterlist.h>
#include <linux/blkdev.h>