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Ingenic players: disable LCD clock when unneeded

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19497 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2008-12-20 01:57:55 +00:00
parent d909eee0ce
commit ec380a79d9
1 changed files with 6 additions and 1 deletions
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7
firmware/target/mips/ingenic_jz47xx/lcd-jz4740.c
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@ -40,6 +40,7 @@ static struct wakeup lcd_wkup;
void lcd_init_device(void) void lcd_init_device(void)
{ {
lcd_init_controller(); lcd_init_controller();
__cpm_stop_lcd();
lcd_is_on = true; lcd_is_on = true;
mutex_init(&lcd_mtx); mutex_init(&lcd_mtx);
wakeup_init(&lcd_wkup); wakeup_init(&lcd_wkup);
@ -77,13 +78,15 @@ void lcd_update_rect(int x, int y, int width, int height)
mutex_lock(&lcd_mtx); mutex_lock(&lcd_mtx);
__cpm_start_lcd();
lcd_set_target(x, y, width, height); lcd_set_target(x, y, width, height);
dma_enable(); dma_enable();
REG_DMAC_DCCSR(DMA_LCD_CHANNEL) = DMAC_DCCSR_NDES; REG_DMAC_DCCSR(DMA_LCD_CHANNEL) = DMAC_DCCSR_NDES;
REG_DMAC_DRSR(DMA_LCD_CHANNEL) = DMAC_DRSR_RS_SLCD; /* source = SLCD */
REG_DMAC_DSAR(DMA_LCD_CHANNEL) = PHYSADDR((unsigned long)&lcd_framebuffer[y][x]); REG_DMAC_DSAR(DMA_LCD_CHANNEL) = PHYSADDR((unsigned long)&lcd_framebuffer[y][x]);
REG_DMAC_DRSR(DMA_LCD_CHANNEL) = DMAC_DRSR_RS_SLCD; /* source = SLCD */
REG_DMAC_DTAR(DMA_LCD_CHANNEL) = PHYSADDR(SLCD_FIFO); REG_DMAC_DTAR(DMA_LCD_CHANNEL) = PHYSADDR(SLCD_FIFO);
REG_DMAC_DTCR(DMA_LCD_CHANNEL) = width*height; REG_DMAC_DTCR(DMA_LCD_CHANNEL) = width*height;
@ -108,6 +111,8 @@ void lcd_update_rect(int x, int y, int width, int height)
while(REG_SLCD_STATE & SLCD_STATE_BUSY); while(REG_SLCD_STATE & SLCD_STATE_BUSY);
REG_SLCD_CTRL &= ~SLCD_CTRL_DMA_EN; /* Disable SLCD DMA support */ REG_SLCD_CTRL &= ~SLCD_CTRL_DMA_EN; /* Disable SLCD DMA support */
__cpm_stop_lcd();
mutex_unlock(&lcd_mtx); mutex_unlock(&lcd_mtx);
} }