]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/arm/mach-s3c2412/dma.c
[ARM] Convert asm/io.h to linux/io.h
[linux-2.6-omap-h63xx.git] / arch / arm / mach-s3c2412 / dma.c
index 4b9425c1bf722b8eb25dc4ecf2d15126b0637181..dcfff6b8b95854c173211b70d2babfb740cc75ea 100644 (file)
 #include <linux/init.h>
 #include <linux/sysdev.h>
 #include <linux/serial_core.h>
+#include <linux/io.h>
 
 #include <asm/dma.h>
-#include <asm/arch/dma.h>
-#include <asm/io.h>
+#include <mach/dma.h>
 
 #include <asm/plat-s3c24xx/dma.h>
 #include <asm/plat-s3c24xx/cpu.h>
 
 #include <asm/plat-s3c/regs-serial.h>
-#include <asm/arch/regs-gpio.h>
+#include <mach/regs-gpio.h>
 #include <asm/plat-s3c/regs-ac97.h>
-#include <asm/arch/regs-mem.h>
-#include <asm/arch/regs-lcd.h>
-#include <asm/arch/regs-sdi.h>
+#include <mach/regs-mem.h>
+#include <mach/regs-lcd.h>
+#include <mach/regs-sdi.h>
+#include <asm/plat-s3c24xx/regs-s3c2412-iis.h>
 #include <asm/plat-s3c24xx/regs-iis.h>
 #include <asm/plat-s3c24xx/regs-spi.h>
 
@@ -39,112 +40,147 @@ static struct s3c24xx_dma_map __initdata s3c2412_dma_mappings[] = {
        [DMACH_XD0] = {
                .name           = "xdreq0",
                .channels       = MAP(S3C2412_DMAREQSEL_XDREQ0),
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_XDREQ0),
        },
        [DMACH_XD1] = {
                .name           = "xdreq1",
                .channels       = MAP(S3C2412_DMAREQSEL_XDREQ1),
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_XDREQ1),
        },
        [DMACH_SDI] = {
                .name           = "sdi",
                .channels       = MAP(S3C2412_DMAREQSEL_SDI),
-               .hw_addr.to     = S3C2410_PA_IIS + S3C2410_IISFIFO,
-               .hw_addr.from   = S3C2410_PA_IIS + S3C2410_IISFIFO,
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_SDI),
+               .hw_addr.to     = S3C2410_PA_SDI + S3C2410_SDIDATA,
+               .hw_addr.from   = S3C2410_PA_SDI + S3C2410_SDIDATA,
        },
        [DMACH_SPI0] = {
                .name           = "spi0",
                .channels       = MAP(S3C2412_DMAREQSEL_SPI0TX),
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_SPI0RX),
                .hw_addr.to     = S3C2410_PA_SPI + S3C2410_SPTDAT,
                .hw_addr.from   = S3C2410_PA_SPI + S3C2410_SPRDAT,
        },
        [DMACH_SPI1] = {
                .name           = "spi1",
                .channels       = MAP(S3C2412_DMAREQSEL_SPI1TX),
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_SPI1RX),
                .hw_addr.to     = S3C2410_PA_SPI + S3C2412_SPI1 + S3C2410_SPTDAT,
                .hw_addr.from   = S3C2410_PA_SPI + S3C2412_SPI1  + S3C2410_SPRDAT,
        },
        [DMACH_UART0] = {
                .name           = "uart0",
                .channels       = MAP(S3C2412_DMAREQSEL_UART0_0),
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_UART0_0),
                .hw_addr.to     = S3C2410_PA_UART0 + S3C2410_UTXH,
                .hw_addr.from   = S3C2410_PA_UART0 + S3C2410_URXH,
        },
        [DMACH_UART1] = {
                .name           = "uart1",
                .channels       = MAP(S3C2412_DMAREQSEL_UART1_0),
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_UART1_0),
                .hw_addr.to     = S3C2410_PA_UART1 + S3C2410_UTXH,
                .hw_addr.from   = S3C2410_PA_UART1 + S3C2410_URXH,
        },
        [DMACH_UART2] = {
                .name           = "uart2",
                .channels       = MAP(S3C2412_DMAREQSEL_UART2_0),
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_UART2_0),
                .hw_addr.to     = S3C2410_PA_UART2 + S3C2410_UTXH,
                .hw_addr.from   = S3C2410_PA_UART2 + S3C2410_URXH,
        },
        [DMACH_UART0_SRC2] = {
                .name           = "uart0",
                .channels       = MAP(S3C2412_DMAREQSEL_UART0_1),
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_UART0_1),
                .hw_addr.to     = S3C2410_PA_UART0 + S3C2410_UTXH,
                .hw_addr.from   = S3C2410_PA_UART0 + S3C2410_URXH,
        },
        [DMACH_UART1_SRC2] = {
                .name           = "uart1",
                .channels       = MAP(S3C2412_DMAREQSEL_UART1_1),
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_UART1_1),
                .hw_addr.to     = S3C2410_PA_UART1 + S3C2410_UTXH,
                .hw_addr.from   = S3C2410_PA_UART1 + S3C2410_URXH,
        },
        [DMACH_UART2_SRC2] = {
                .name           = "uart2",
                .channels       = MAP(S3C2412_DMAREQSEL_UART2_1),
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_UART2_1),
                .hw_addr.to     = S3C2410_PA_UART2 + S3C2410_UTXH,
                .hw_addr.from   = S3C2410_PA_UART2 + S3C2410_URXH,
        },
        [DMACH_TIMER] = {
                .name           = "timer",
                .channels       = MAP(S3C2412_DMAREQSEL_TIMER),
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_TIMER),
        },
        [DMACH_I2S_IN] = {
                .name           = "i2s-sdi",
                .channels       = MAP(S3C2412_DMAREQSEL_I2SRX),
-               .hw_addr.from   = S3C2410_PA_IIS + S3C2410_IISFIFO,
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_I2SRX),
+               .hw_addr.from   = S3C2410_PA_IIS + S3C2412_IISRXD,
        },
        [DMACH_I2S_OUT] = {
                .name           = "i2s-sdo",
                .channels       = MAP(S3C2412_DMAREQSEL_I2STX),
-               .hw_addr.to     = S3C2410_PA_IIS + S3C2410_IISFIFO,
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_I2STX),
+               .hw_addr.to     = S3C2410_PA_IIS + S3C2412_IISTXD,
        },
        [DMACH_USB_EP1] = {
                .name           = "usb-ep1",
                .channels       = MAP(S3C2412_DMAREQSEL_USBEP1),
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_USBEP1),
        },
        [DMACH_USB_EP2] = {
                .name           = "usb-ep2",
                .channels       = MAP(S3C2412_DMAREQSEL_USBEP2),
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_USBEP2),
        },
        [DMACH_USB_EP3] = {
                .name           = "usb-ep3",
                .channels       = MAP(S3C2412_DMAREQSEL_USBEP3),
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_USBEP3),
        },
        [DMACH_USB_EP4] = {
                .name           = "usb-ep4",
                .channels       = MAP(S3C2412_DMAREQSEL_USBEP4),
+               .channels_rx    = MAP(S3C2412_DMAREQSEL_USBEP4),
        },
 };
 
+static void s3c2412_dma_direction(struct s3c2410_dma_chan *chan,
+                                 struct s3c24xx_dma_map *map,
+                                 enum s3c2410_dmasrc dir)
+{
+       unsigned long chsel;
+
+       if (dir == S3C2410_DMASRC_HW)
+               chsel = map->channels_rx[0];
+       else
+               chsel = map->channels[0];
+
+       chsel &= ~DMA_CH_VALID;
+       chsel |= S3C2412_DMAREQSEL_HW;
+
+       writel(chsel, chan->regs + S3C2412_DMA_DMAREQSEL);
+}
+
 static void s3c2412_dma_select(struct s3c2410_dma_chan *chan,
                               struct s3c24xx_dma_map *map)
 {
-       writel(map->channels[0] | S3C2412_DMAREQSEL_HW,
-              chan->regs + S3C2412_DMA_DMAREQSEL);
+       s3c2412_dma_direction(chan, map, chan->source);
 }
 
 static struct s3c24xx_dma_selection __initdata s3c2412_dma_sel = {
        .select         = s3c2412_dma_select,
+       .direction      = s3c2412_dma_direction,
        .dcon_mask      = 0,
        .map            = s3c2412_dma_mappings,
        .map_size       = ARRAY_SIZE(s3c2412_dma_mappings),
 };
 
-static int s3c2412_dma_add(struct sys_device *sysdev)
+static int __init s3c2412_dma_add(struct sys_device *sysdev)
 {
        s3c2410_dma_init();
        return s3c24xx_dma_init_map(&s3c2412_dma_sel);