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/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index 1429a73..4bc5a08 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -136,10 +136,6 @@
return 0;
}
-static struct tmio_mmc_data tc6393xb_mmc_data = {
- .hclk = 24000000,
-};
-
static struct resource __devinitdata tc6393xb_nand_resources[] = {
{
.start = 0x1000,
@@ -165,11 +161,6 @@
.flags = IORESOURCE_MEM,
},
{
- .start = 0x200,
- .end = 0x2ff,
- .flags = IORESOURCE_MEM,
- },
- {
.start = IRQ_TC6393_MMC,
.end = IRQ_TC6393_MMC,
.flags = IORESOURCE_IRQ,
@@ -346,6 +337,50 @@
}
EXPORT_SYMBOL(tc6393xb_lcd_mode);
+static int tc6393xb_mmc_enable(struct platform_device *mmc)
+{
+ struct platform_device *dev = to_platform_device(mmc->dev.parent);
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+
+ tmio_core_mmc_enable(tc6393xb->scr + 0x200, 0,
+ tc6393xb_mmc_resources[0].start & 0xfffe);
+
+ return 0;
+}
+
+static int tc6393xb_mmc_resume(struct platform_device *mmc)
+{
+ struct platform_device *dev = to_platform_device(mmc->dev.parent);
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+
+ tmio_core_mmc_resume(tc6393xb->scr + 0x200, 0,
+ tc6393xb_mmc_resources[0].start & 0xfffe);
+
+ return 0;
+}
+
+static void tc6393xb_mmc_pwr(struct platform_device *mmc, int state)
+{
+ struct platform_device *dev = to_platform_device(mmc->dev.parent);
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+
+ tmio_core_mmc_pwr(tc6393xb->scr + 0x200, 0, state);
+}
+
+static void tc6393xb_mmc_clk_div(struct platform_device *mmc, int state)
+{
+ struct platform_device *dev = to_platform_device(mmc->dev.parent);
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+
+ tmio_core_mmc_clk_div(tc6393xb->scr + 0x200, 0, state);
+}
+
+static struct tmio_mmc_data tc6393xb_mmc_data = {
+ .hclk = 24000000,
+ .set_pwr = tc6393xb_mmc_pwr,
+ .set_clk_div = tc6393xb_mmc_clk_div,
+};
+
static struct mfd_cell __devinitdata tc6393xb_cells[] = {
[TC6393XB_CELL_NAND] = {
.name = "tmio-nand",
@@ -355,6 +390,8 @@
},
[TC6393XB_CELL_MMC] = {
.name = "tmio-mmc",
+ .enable = tc6393xb_mmc_enable,
+ .resume = tc6393xb_mmc_resume,
.driver_data = &tc6393xb_mmc_data,
.num_resources = ARRAY_SIZE(tc6393xb_mmc_resources),
.resources = tc6393xb_mmc_resources,
@@ -836,3 +873,4 @@
MODULE_AUTHOR("Ian Molton, Dmitry Baryshkov and Dirk Opfer");
MODULE_DESCRIPTION("tc6393xb Toshiba Mobile IO Controller");
MODULE_ALIAS("platform:tc6393xb");
+