diff options
Diffstat (limited to 'drivers/video/mxsfb.c')
| -rw-r--r-- | drivers/video/mxsfb.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index 03b0f88acf..ddbb118d70 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -55,7 +55,7 @@ static void mxs_lcd_init(GraphicDevice *panel, uint8_t valid_data = 0; /* Kick in the LCDIF clock */ - mxs_set_lcdclk(PS2KHZ(mode->pixclock)); + mxs_set_lcdclk(MXS_LCDIF_BASE, PS2KHZ(mode->pixclock)); /* Restart the LCDIF block */ mxs_reset_block(®s->hw_lcdif_ctrl_reg); @@ -131,6 +131,23 @@ static void mxs_lcd_init(GraphicDevice *panel, writel(LCDIF_CTRL_RUN, ®s->hw_lcdif_ctrl_set); } +void lcdif_power_down(void) +{ + struct mxs_lcdif_regs *regs = (struct mxs_lcdif_regs *)MXS_LCDIF_BASE; + int timeout = 1000000; + + writel(panel.frameAdrs, ®s->hw_lcdif_cur_buf_reg); + writel(panel.frameAdrs, ®s->hw_lcdif_next_buf_reg); + writel(LCDIF_CTRL1_VSYNC_EDGE_IRQ, ®s->hw_lcdif_ctrl1_clr); + while (--timeout) { + if (readl(®s->hw_lcdif_ctrl1_reg) & + LCDIF_CTRL1_VSYNC_EDGE_IRQ) + break; + udelay(1); + } + mxs_reset_block((struct mxs_register_32 *)®s->hw_lcdif_ctrl_reg); +} + void *video_hw_init(void) { int bpp = -1; |
