h63xx: lcd support

[linux-2.6-omap-h63xx.git] / arch / arm / plat-omap / dma.c

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index f5cc21ad09565cba72c2e1c46fd921919b8e1612..6eb66bfecea201eba2136fa2c4278bdb6ef67d0e 100644 (file)
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -30,6 +30,7 @@
 #include <asm/hardware.h>
 #include <asm/dma.h>
 #include <asm/io.h>
+#include <asm/mach-types.h>
 
 #include <asm/arch/tc.h>
 
@@ -64,7 +65,7 @@ static int dma_chan_count;
 static spinlock_t dma_chan_lock;
 static struct omap_dma_lch dma_chan[OMAP_LOGICAL_DMA_CH_COUNT];
 
-const static u8 omap1_dma_irq[OMAP_LOGICAL_DMA_CH_COUNT] = {
+static const u8 omap1_dma_irq[OMAP_LOGICAL_DMA_CH_COUNT] = {
        INT_DMA_CH0_6, INT_DMA_CH1_7, INT_DMA_CH2_8, INT_DMA_CH3,
        INT_DMA_CH4, INT_DMA_CH5, INT_1610_DMA_CH6, INT_1610_DMA_CH7,
        INT_1610_DMA_CH8, INT_1610_DMA_CH9, INT_1610_DMA_CH10,
@@ -1086,6 +1087,10 @@ static void set_b1_regs(void)
        }
 
        if (omap_dma_in_1510_mode()) {
+               u16 l = omap_readw(OMAP1510_DMA_LCD_CTRL);
+               l &= ~(1 << 6);
+               omap_writew (l, OMAP1510_DMA_LCD_CTRL);
+
                omap_writew(top >> 16, OMAP1510_DMA_LCD_TOP_F1_U);
                omap_writew(top, OMAP1510_DMA_LCD_TOP_F1_L);
                omap_writew(bottom >> 16, OMAP1510_DMA_LCD_BOT_F1_U);
@@ -1258,6 +1263,11 @@ void omap_stop_lcd_dma(void)
        omap_writew(w, OMAP1610_DMA_LCD_CTRL);
 }
 
+int omap_lcd_dma_ext_running(void)
+{
+       return lcd_dma.ext_ctrl && lcd_dma.active;
+}
+
 /*----------------------------------------------------------------------------*/
 
 static int __init omap_init_dma(void)
@@ -1389,6 +1399,7 @@ EXPORT_SYMBOL(omap_free_lcd_dma);
 EXPORT_SYMBOL(omap_enable_lcd_dma);
 EXPORT_SYMBOL(omap_setup_lcd_dma);
 EXPORT_SYMBOL(omap_stop_lcd_dma);
+EXPORT_SYMBOL(omap_lcd_dma_ext_running);
 EXPORT_SYMBOL(omap_set_lcd_dma_b1);
 EXPORT_SYMBOL(omap_set_lcd_dma_single_transfer);
 EXPORT_SYMBOL(omap_set_lcd_dma_ext_controller);