ARM: S5PC100: Use generic DMA PL330 driver

This patch makes Samsung S5PC100 to use DMA PL330 driver
on DMADEVICE. The S5PC100 uses DMA generic APIs instead of
SAMSUNG specific S3C-PL330 APIs.

Signed-off-by: Boojin Kim <boojin.kim@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

4 files changed, 222 insertions, 116 deletions

diff --git a/arch/arm/mach-s5pc100/Kconfig b/arch/arm/mach-s5pc100/Kconfig
index e8a33c4b054c..e538a4c67e9c 100644
--- a/arch/arm/mach-s5pc100/Kconfig
+++ b/arch/arm/mach-s5pc100/Kconfig
@@ -10,7 +10,7 @@ if ARCH_S5PC100
 config CPU_S5PC100
         bool
         select S5P_EXT_INT
-        select S3C_PL330_DMA
+        select SAMSUNG_DMADEV
         help
           Enable S5PC100 CPU support
 
diff --git a/arch/arm/mach-s5pc100/clock.c b/arch/arm/mach-s5pc100/clock.c
index ff5cbb30de5b..6527c05c5fa1 100644
--- a/arch/arm/mach-s5pc100/clock.c
+++ b/arch/arm/mach-s5pc100/clock.c
@@ -33,6 +33,11 @@ static struct clk s5p_clk_otgphy = {
         .name           = "otg_phy",
 };
 
+static struct clk dummy_apb_pclk = {
+        .name           = "apb_pclk",
+        .id             = -1,
+};
+
 static struct clk *clk_src_mout_href_list[] = {
         [0] = &s5p_clk_27m,
         [1] = &clk_fin_hpll,
@@ -454,13 +459,13 @@ static struct clk init_clocks_off[] = {
                 .enable         = s5pc100_d1_0_ctrl,
                 .ctrlbit        = (1 << 2),
         }, {
-                .name           = "pdma",
+                .name           = "dma",
                 .devname        = "s3c-pl330.1",
                 .parent         = &clk_div_d1_bus.clk,
                 .enable         = s5pc100_d1_0_ctrl,
                 .ctrlbit        = (1 << 1),
         }, {
-                .name           = "pdma",
+                .name           = "dma",
                 .devname        = "s3c-pl330.0",
                 .parent         = &clk_div_d1_bus.clk,
                 .enable         = s5pc100_d1_0_ctrl,
@@ -1276,5 +1281,7 @@ void __init s5pc100_register_clocks(void)
         s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
         s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
 
+        s3c24xx_register_clock(&dummy_apb_pclk);
+
         s3c_pwmclk_init();
 }
diff --git a/arch/arm/mach-s5pc100/dma.c b/arch/arm/mach-s5pc100/dma.c
index bf4cd0fb97c6..ef803e92d35d 100644
--- a/arch/arm/mach-s5pc100/dma.c
+++ b/arch/arm/mach-s5pc100/dma.c
@@ -1,4 +1,8 @@
-/*
+/* linux/arch/arm/mach-s5pc100/dma.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com
+ *
  * Copyright (C) 2010 Samsung Electronics Co. Ltd.
  *      Jaswinder Singh <jassi.brar@samsung.com>
  *
@@ -17,150 +21,245 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/pl330.h>
 
+#include <asm/irq.h>
 #include <plat/devs.h>
+#include <plat/irqs.h>
 
 #include <mach/map.h>
 #include <mach/irqs.h>
-
-#include <plat/s3c-pl330-pdata.h>
+#include <mach/dma.h>
 
 static u64 dma_dmamask = DMA_BIT_MASK(32);
 
-static struct resource s5pc100_pdma0_resource[] = {
-        [0] = {
-                .start  = S5PC100_PA_PDMA0,
-                .end    = S5PC100_PA_PDMA0 + SZ_4K,
-                .flags = IORESOURCE_MEM,
-        },
-        [1] = {
-                .start  = IRQ_PDMA0,
-                .end    = IRQ_PDMA0,
-                .flags  = IORESOURCE_IRQ,
+struct dma_pl330_peri pdma0_peri[30] = {
+        {
+                .peri_id = (u8)DMACH_UART0_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_UART0_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_UART1_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_UART1_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_UART2_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_UART2_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_UART3_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_UART3_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = DMACH_IRDA,
+        }, {
+                .peri_id = (u8)DMACH_I2S0_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_I2S0_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_I2S0S_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_I2S1_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_I2S1_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_I2S2_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_I2S2_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_SPI0_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_SPI0_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_SPI1_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_SPI1_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_SPI2_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_SPI2_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_AC97_MICIN,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_AC97_PCMIN,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_AC97_PCMOUT,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_EXTERNAL,
+        }, {
+                .peri_id = (u8)DMACH_PWM,
+        }, {
+                .peri_id = (u8)DMACH_SPDIF,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_HSI_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_HSI_TX,
+                .rqtype = MEMTODEV,
         },
 };
 
-static struct s3c_pl330_platdata s5pc100_pdma0_pdata = {
-        .peri = {
-                [0] = DMACH_UART0_RX,
-                [1] = DMACH_UART0_TX,
-                [2] = DMACH_UART1_RX,
-                [3] = DMACH_UART1_TX,
-                [4] = DMACH_UART2_RX,
-                [5] = DMACH_UART2_TX,
-                [6] = DMACH_UART3_RX,
-                [7] = DMACH_UART3_TX,
-                [8] = DMACH_IRDA,
-                [9] = DMACH_I2S0_RX,
-                [10] = DMACH_I2S0_TX,
-                [11] = DMACH_I2S0S_TX,
-                [12] = DMACH_I2S1_RX,
-                [13] = DMACH_I2S1_TX,
-                [14] = DMACH_I2S2_RX,
-                [15] = DMACH_I2S2_TX,
-                [16] = DMACH_SPI0_RX,
-                [17] = DMACH_SPI0_TX,
-                [18] = DMACH_SPI1_RX,
-                [19] = DMACH_SPI1_TX,
-                [20] = DMACH_SPI2_RX,
-                [21] = DMACH_SPI2_TX,
-                [22] = DMACH_AC97_MICIN,
-                [23] = DMACH_AC97_PCMIN,
-                [24] = DMACH_AC97_PCMOUT,
-                [25] = DMACH_EXTERNAL,
-                [26] = DMACH_PWM,
-                [27] = DMACH_SPDIF,
-                [28] = DMACH_HSI_RX,
-                [29] = DMACH_HSI_TX,
-                [30] = DMACH_MAX,
-                [31] = DMACH_MAX,
-        },
+struct dma_pl330_platdata s5pc100_pdma0_pdata = {
+        .nr_valid_peri = ARRAY_SIZE(pdma0_peri),
+        .peri = pdma0_peri,
 };
 
-static struct platform_device s5pc100_device_pdma0 = {
-        .name           = "s3c-pl330",
-        .id             = 0,
-        .num_resources  = ARRAY_SIZE(s5pc100_pdma0_resource),
-        .resource       = s5pc100_pdma0_resource,
-        .dev            = {
+struct amba_device s5pc100_device_pdma0 = {
+        .dev = {
+                .init_name = "dma-pl330.0",
                 .dma_mask = &dma_dmamask,
                 .coherent_dma_mask = DMA_BIT_MASK(32),
                 .platform_data = &s5pc100_pdma0_pdata,
         },
-};
-
-static struct resource s5pc100_pdma1_resource[] = {
-        [0] = {
-                .start  = S5PC100_PA_PDMA1,
-                .end    = S5PC100_PA_PDMA1 + SZ_4K,
+        .res = {
+                .start = S5PC100_PA_PDMA0,
+                .end = S5PC100_PA_PDMA0 + SZ_4K,
                 .flags = IORESOURCE_MEM,
         },
-        [1] = {
-                .start  = IRQ_PDMA1,
-                .end    = IRQ_PDMA1,
-                .flags  = IORESOURCE_IRQ,
-        },
+        .irq = {IRQ_PDMA0, NO_IRQ},
+        .periphid = 0x00041330,
 };
 
-static struct s3c_pl330_platdata s5pc100_pdma1_pdata = {
-        .peri = {
-                [0] = DMACH_UART0_RX,
-                [1] = DMACH_UART0_TX,
-                [2] = DMACH_UART1_RX,
-                [3] = DMACH_UART1_TX,
-                [4] = DMACH_UART2_RX,
-                [5] = DMACH_UART2_TX,
-                [6] = DMACH_UART3_RX,
-                [7] = DMACH_UART3_TX,
-                [8] = DMACH_IRDA,
-                [9] = DMACH_I2S0_RX,
-                [10] = DMACH_I2S0_TX,
-                [11] = DMACH_I2S0S_TX,
-                [12] = DMACH_I2S1_RX,
-                [13] = DMACH_I2S1_TX,
-                [14] = DMACH_I2S2_RX,
-                [15] = DMACH_I2S2_TX,
-                [16] = DMACH_SPI0_RX,
-                [17] = DMACH_SPI0_TX,
-                [18] = DMACH_SPI1_RX,
-                [19] = DMACH_SPI1_TX,
-                [20] = DMACH_SPI2_RX,
-                [21] = DMACH_SPI2_TX,
-                [22] = DMACH_PCM0_RX,
-                [23] = DMACH_PCM0_TX,
-                [24] = DMACH_PCM1_RX,
-                [25] = DMACH_PCM1_TX,
-                [26] = DMACH_MSM_REQ0,
-                [27] = DMACH_MSM_REQ1,
-                [28] = DMACH_MSM_REQ2,
-                [29] = DMACH_MSM_REQ3,
-                [30] = DMACH_MAX,
-                [31] = DMACH_MAX,
+struct dma_pl330_peri pdma1_peri[30] = {
+        {
+                .peri_id = (u8)DMACH_UART0_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_UART0_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_UART1_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_UART1_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_UART2_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_UART2_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_UART3_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_UART3_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = DMACH_IRDA,
+        }, {
+                .peri_id = (u8)DMACH_I2S0_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_I2S0_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_I2S0S_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_I2S1_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_I2S1_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_I2S2_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_I2S2_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_SPI0_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_SPI0_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_SPI1_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_SPI1_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_SPI2_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_SPI2_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_PCM0_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_PCM1_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_PCM1_RX,
+                .rqtype = DEVTOMEM,
+        }, {
+                .peri_id = (u8)DMACH_PCM1_TX,
+                .rqtype = MEMTODEV,
+        }, {
+                .peri_id = (u8)DMACH_MSM_REQ0,
+        }, {
+                .peri_id = (u8)DMACH_MSM_REQ1,
+        }, {
+                .peri_id = (u8)DMACH_MSM_REQ2,
+        }, {
+                .peri_id = (u8)DMACH_MSM_REQ3,
         },
 };
 
-static struct platform_device s5pc100_device_pdma1 = {
-        .name           = "s3c-pl330",
-        .id             = 1,
-        .num_resources  = ARRAY_SIZE(s5pc100_pdma1_resource),
-        .resource       = s5pc100_pdma1_resource,
-        .dev            = {
+struct dma_pl330_platdata s5pc100_pdma1_pdata = {
+        .nr_valid_peri = ARRAY_SIZE(pdma1_peri),
+        .peri = pdma1_peri,
+};
+
+struct amba_device s5pc100_device_pdma1 = {
+        .dev = {
+                .init_name = "dma-pl330.1",
                 .dma_mask = &dma_dmamask,
                 .coherent_dma_mask = DMA_BIT_MASK(32),
                 .platform_data = &s5pc100_pdma1_pdata,
         },
-};
-
-static struct platform_device *s5pc100_dmacs[] __initdata = {
-        &s5pc100_device_pdma0,
-        &s5pc100_device_pdma1,
+        .res = {
+                .start = S5PC100_PA_PDMA1,
+                .end = S5PC100_PA_PDMA1 + SZ_4K,
+                .flags = IORESOURCE_MEM,
+        },
+        .irq = {IRQ_PDMA1, NO_IRQ},
+        .periphid = 0x00041330,
 };
 
 static int __init s5pc100_dma_init(void)
 {
-        platform_add_devices(s5pc100_dmacs, ARRAY_SIZE(s5pc100_dmacs));
+        amba_device_register(&s5pc100_device_pdma0, &iomem_resource);
 
         return 0;
 }
diff --git a/arch/arm/mach-s5pc100/include/mach/dma.h b/arch/arm/mach-s5pc100/include/mach/dma.h
index 1beae2cca6a3..201842a3769e 100644
--- a/arch/arm/mach-s5pc100/include/mach/dma.h
+++ b/arch/arm/mach-s5pc100/include/mach/dma.h
@@ -20,7 +20,7 @@
 #ifndef __MACH_DMA_H
 #define __MACH_DMA_H
 
-/* This platform uses the common S3C DMA API driver for PL330 */
+/* This platform uses the common DMA API driver for PL330 */
 #include <plat/dma-pl330.h>
 
 #endif /* __MACH_DMA_H */