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authorIan Molton <ian@mnementh.co.uk>2010-01-06 13:51:48 +0100
committerSamuel Ortiz <sameo@linux.intel.com>2010-01-18 12:30:27 +0100
commit64e8867ba8098b69889c1af94997a5ba2348fb26 (patch)
tree3391806575ec3435a26043a22ba45c9d76f0b791 /drivers/mfd/t7l66xb.c
parent6f2af72a2451b7491fba820b1d1b0b91c6a84027 (diff)
downloadlinux-64e8867ba8098b69889c1af94997a5ba2348fb26.tar.bz2
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>
Diffstat (limited to 'drivers/mfd/t7l66xb.c')
-rw-r--r--drivers/mfd/t7l66xb.c55
1 files changed, 37 insertions, 18 deletions
diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c
index 0a255c1f1ce7..bcf4687d4af5 100644
--- a/drivers/mfd/t7l66xb.c
+++ b/drivers/mfd/t7l66xb.c
@@ -38,6 +38,19 @@ enum {
T7L66XB_CELL_MMC,
};
+static const struct resource t7l66xb_mmc_resources[] = {
+ {
+ .start = 0x800,
+ .end = 0x9ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_T7L66XB_MMC,
+ .end = IRQ_T7L66XB_MMC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
#define SCR_REVID 0x08 /* b Revision ID */
#define SCR_IMR 0x42 /* b Interrupt Mask */
#define SCR_DEV_CTL 0xe0 /* b Device control */
@@ -83,6 +96,9 @@ static int t7l66xb_mmc_enable(struct platform_device *mmc)
spin_unlock_irqrestore(&t7l66xb->lock, flags);
+ tmio_core_mmc_enable(t7l66xb->scr + 0x200, 0,
+ t7l66xb_mmc_resources[0].start & 0xfffe);
+
return 0;
}
@@ -106,28 +122,28 @@ static int t7l66xb_mmc_disable(struct platform_device *mmc)
return 0;
}
+static void t7l66xb_mmc_pwr(struct platform_device *mmc, int state)
+{
+ struct platform_device *dev = to_platform_device(mmc->dev.parent);
+ struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
+
+ tmio_core_mmc_pwr(t7l66xb->scr + 0x200, 0, state);
+}
+
+static void t7l66xb_mmc_clk_div(struct platform_device *mmc, int state)
+{
+ struct platform_device *dev = to_platform_device(mmc->dev.parent);
+ struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
+
+ tmio_core_mmc_clk_div(t7l66xb->scr + 0x200, 0, state);
+}
+
/*--------------------------------------------------------------------------*/
static struct tmio_mmc_data t7166xb_mmc_data = {
.hclk = 24000000,
-};
-
-static const struct resource t7l66xb_mmc_resources[] = {
- {
- .start = 0x800,
- .end = 0x9ff,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = 0x200,
- .end = 0x2ff,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = IRQ_T7L66XB_MMC,
- .end = IRQ_T7L66XB_MMC,
- .flags = IORESOURCE_IRQ,
- },
+ .set_pwr = t7l66xb_mmc_pwr,
+ .set_clk_div = t7l66xb_mmc_clk_div,
};
static const struct resource t7l66xb_nand_resources[] = {
@@ -282,6 +298,9 @@ static int t7l66xb_resume(struct platform_device *dev)
if (pdata && pdata->resume)
pdata->resume(dev);
+ tmio_core_mmc_enable(t7l66xb->scr + 0x200, 0,
+ t7l66xb_mmc_resources[0].start & 0xfffe);
+
return 0;
}
#else