diff options
| -rw-r--r-- | arch/arm/include/asm/arch-sunxi/clock_sun6i.h | 3 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-sunxi/display.h | 12 | ||||
| -rw-r--r-- | drivers/video/sunxi_display.c | 18 |
3 files changed, 32 insertions, 1 deletions
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h index bacd70a..6465f21 100644 --- a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h +++ b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h @@ -331,6 +331,9 @@ struct sunxi_ccm_reg { #define AHB_RESET_OFFSET_LCD1 5 #define AHB_RESET_OFFSET_LCD0 4 +/* ahb_reset2 offsets */ +#define AHB_RESET_OFFSET_LVDS 0 + /* apb2 reset */ #define APB2_RESET_UART_SHIFT (16) #define APB2_RESET_UART_MASK (0xff << APB2_RESET_UART_SHIFT) diff --git a/arch/arm/include/asm/arch-sunxi/display.h b/arch/arm/include/asm/arch-sunxi/display.h index 5e94253..ae95417 100644 --- a/arch/arm/include/asm/arch-sunxi/display.h +++ b/arch/arm/include/asm/arch-sunxi/display.h @@ -363,6 +363,11 @@ struct sunxi_tve_reg { #define SUNXI_LCDC_TCON0_TIMING_H_TOTAL(n) (((n) - 1) << 16) #define SUNXI_LCDC_TCON0_TIMING_V_BP(n) (((n) - 1) << 0) #define SUNXI_LCDC_TCON0_TIMING_V_TOTAL(n) (((n) * 2) << 16) +#ifdef CONFIG_SUNXI_GEN_SUN6I +#define SUNXI_LCDC_TCON0_LVDS_CLK_SEL_TCON0 (1 << 20) +#else +#define SUNXI_LCDC_TCON0_LVDS_CLK_SEL_TCON0 0 /* NA */ +#endif #define SUNXI_LCDC_TCON0_LVDS_INTF_BITWIDTH(n) ((n) << 26) #define SUNXI_LCDC_TCON0_LVDS_INTF_ENABLE (1 << 31) #define SUNXI_LCDC_TCON0_IO_POL_DCLK_PHASE(x) ((x) << 28) @@ -372,8 +377,15 @@ struct sunxi_tve_reg { #define SUNXI_LCDC_TCON1_TIMING_H_TOTAL(n) (((n) - 1) << 16) #define SUNXI_LCDC_TCON1_TIMING_V_BP(n) (((n) - 1) << 0) #define SUNXI_LCDC_TCON1_TIMING_V_TOTAL(n) (((n) * 2) << 16) +#ifdef CONFIG_SUNXI_GEN_SUN6I +#define SUNXI_LCDC_LVDS_ANA0 0x40040320 +#define SUNXI_LCDC_LVDS_ANA0_EN_MB (1 << 31) +#define SUNXI_LCDC_LVDS_ANA0_DRVC (1 << 24) +#define SUNXI_LCDC_LVDS_ANA0_DRVD(x) ((x) << 20) +#else #define SUNXI_LCDC_LVDS_ANA0 0x3f310000 #define SUNXI_LCDC_LVDS_ANA0_UPDATE (1 << 22) +#endif #define SUNXI_LCDC_LVDS_ANA1_INIT1 (0x1f << 26 | 0x1f << 10) #define SUNXI_LCDC_LVDS_ANA1_INIT2 (0x1f << 16 | 0x1f << 00) diff --git a/drivers/video/sunxi_display.c b/drivers/video/sunxi_display.c index 48dbdf5..269083b 100644 --- a/drivers/video/sunxi_display.c +++ b/drivers/video/sunxi_display.c @@ -558,8 +558,12 @@ static void sunxi_lcdc_init(void) /* Clock on */ setbits_le32(&ccm->ahb_gate1, 1 << AHB_GATE_OFFSET_LCD0); #ifdef CONFIG_VIDEO_LCD_IF_LVDS +#ifdef CONFIG_SUNXI_GEN_SUN6I + setbits_le32(&ccm->ahb_reset2_cfg, 1 << AHB_RESET_OFFSET_LVDS); +#else setbits_le32(&ccm->lvds_clk_cfg, CCM_LVDS_CTRL_RST); #endif +#endif /* Init lcdc */ writel(0, &lcdc->ctrl); /* Disable tcon */ @@ -582,6 +586,16 @@ static void sunxi_lcdc_enable(void) #ifdef CONFIG_VIDEO_LCD_IF_LVDS setbits_le32(&lcdc->tcon0_lvds_intf, SUNXI_LCDC_TCON0_LVDS_INTF_ENABLE); setbits_le32(&lcdc->lvds_ana0, SUNXI_LCDC_LVDS_ANA0); +#ifdef CONFIG_SUNXI_GEN_SUN6I + udelay(2); /* delay at least 1200 ns */ + setbits_le32(&lcdc->lvds_ana0, SUNXI_LCDC_LVDS_ANA0_EN_MB); + udelay(2); /* delay at least 1200 ns */ + setbits_le32(&lcdc->lvds_ana0, SUNXI_LCDC_LVDS_ANA0_DRVC); + if (sunxi_display.depth == 18) + setbits_le32(&lcdc->lvds_ana0, SUNXI_LCDC_LVDS_ANA0_DRVD(0x7)); + else + setbits_le32(&lcdc->lvds_ana0, SUNXI_LCDC_LVDS_ANA0_DRVD(0xf)); +#else setbits_le32(&lcdc->lvds_ana0, SUNXI_LCDC_LVDS_ANA0_UPDATE); udelay(2); /* delay at least 1200 ns */ setbits_le32(&lcdc->lvds_ana1, SUNXI_LCDC_LVDS_ANA1_INIT1); @@ -589,6 +603,7 @@ static void sunxi_lcdc_enable(void) setbits_le32(&lcdc->lvds_ana1, SUNXI_LCDC_LVDS_ANA1_INIT2); setbits_le32(&lcdc->lvds_ana0, SUNXI_LCDC_LVDS_ANA0_UPDATE); #endif +#endif } static void sunxi_lcdc_panel_enable(void) @@ -706,7 +721,8 @@ static void sunxi_lcdc_tcon0_mode_set(const struct ctfb_res_modes *mode, #endif #ifdef CONFIG_VIDEO_LCD_IF_LVDS val = (sunxi_display.depth == 18) ? 1 : 0; - writel(SUNXI_LCDC_TCON0_LVDS_INTF_BITWIDTH(val), &lcdc->tcon0_lvds_intf); + writel(SUNXI_LCDC_TCON0_LVDS_INTF_BITWIDTH(val) | + SUNXI_LCDC_TCON0_LVDS_CLK_SEL_TCON0, &lcdc->tcon0_lvds_intf); #endif if (sunxi_display.depth == 18 || sunxi_display.depth == 16) { |