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>

1 files changed, 47 insertions, 9 deletions

diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index 1429a7341a9a..4bc5a08a2b09 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -136,10 +136,6 @@ static int tc6393xb_nand_enable(struct platform_device *nand)
         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 @@ static struct resource __devinitdata tc6393xb_mmc_resources[] = {
                 .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 @@ int tc6393xb_lcd_mode(struct platform_device *fb,
 }
 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 @@ static struct mfd_cell __devinitdata tc6393xb_cells[] = {
         },
         [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_LICENSE("GPL v2");
 MODULE_AUTHOR("Ian Molton, Dmitry Baryshkov and Dirk Opfer");
 MODULE_DESCRIPTION("tc6393xb Toshiba Mobile IO Controller");
 MODULE_ALIAS("platform:tc6393xb");
+