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mfd: tmio_mmc hardware abstraction for CNF area

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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>
This commit is contained in:
Ian Molton
2010-01-06 13:51:48 +01:00
committed by Samuel Ortiz
parent 6f2af72a24
commit 64e8867ba8
9 changed files with 324 additions and 150 deletions
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39
include/linux/mfd/tmio.h
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@@ -2,6 +2,8 @@
#define MFD_TMIO_H
#include <linux/fb.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#define tmio_ioread8(addr) readb(addr)
#define tmio_ioread16(addr) readw(addr)
@@ -18,11 +20,48 @@
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)
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);
/*
* data for the MMC controller
*/
struct tmio_mmc_data {
const unsigned int hclk;
void (*set_pwr)(struct platform_device *host, int state);
void (*set_clk_div)(struct platform_device *host, int state);
};
/*