diff options
Diffstat (limited to 'arch/arm/mach-mx23/include/mach/lcdif.h')
| -rw-r--r-- | arch/arm/mach-mx23/include/mach/lcdif.h | 171 |
1 files changed, 167 insertions, 4 deletions
diff --git a/arch/arm/mach-mx23/include/mach/lcdif.h b/arch/arm/mach-mx23/include/mach/lcdif.h index f0ee0d5e5c1a..f12802087320 100644 --- a/arch/arm/mach-mx23/include/mach/lcdif.h +++ b/arch/arm/mach-mx23/include/mach/lcdif.h @@ -201,10 +201,10 @@ static inline void setup_dotclk_panel(u16 v_pulse_width, BM_LCDIF_CTRL_INPUT_DATA_SWIZZLE | BM_LCDIF_CTRL_LCD_DATABUS_WIDTH, REGS_LCDIF_BASE + HW_LCDIF_CTRL_CLR); - __raw_writel(BF_LCDIF_CTRL_WORD_LENGTH(3) | /* 24 bit */ - BM_LCDIF_CTRL_DATA_SELECT | /* data mode */ - BF_LCDIF_CTRL_INPUT_DATA_SWIZZLE(0) | /* no swap */ - BF_LCDIF_CTRL_LCD_DATABUS_WIDTH(3), /* 24 bit */ + __raw_writel(BF_LCDIF_CTRL_WORD_LENGTH(3) |/* 24 bit */ + BM_LCDIF_CTRL_DATA_SELECT |/* data mode */ + BF_LCDIF_CTRL_INPUT_DATA_SWIZZLE(0) |/* no swap */ + BF_LCDIF_CTRL_LCD_DATABUS_WIDTH(3),/* 24 bit */ REGS_LCDIF_BASE + HW_LCDIF_CTRL_SET); val = __raw_readl(REGS_LCDIF_BASE + HW_LCDIF_VDCTRL0); @@ -275,4 +275,167 @@ static inline void release_dotclk_panel(void) __raw_writel(0, REGS_LCDIF_BASE + HW_LCDIF_VDCTRL3); } +static inline void setup_dvi_panel(u16 h_active, u16 v_active, + u16 h_blanking, u16 v_lines, + u16 v1_blank_start, u16 v1_blank_end, + u16 v2_blank_start, u16 v2_blank_end, + u16 f1_start, u16 f1_end, + u16 f2_start, u16 f2_end) +{ + u32 val; + /* 32bit packed format (RGB) */ + __raw_writel(BM_LCDIF_CTRL1_BYTE_PACKING_FORMAT, + REGS_LCDIF_BASE + HW_LCDIF_CTRL1_CLR); + __raw_writel(BF_LCDIF_CTRL1_BYTE_PACKING_FORMAT(0x7) | + BM_LCDIF_CTRL1_RECOVER_ON_UNDERFLOW, + REGS_LCDIF_BASE + HW_LCDIF_CTRL1_SET); + + val = __raw_readl(REGS_LCDIF_BASE + HW_LCDIF_TRANSFER_COUNT); + val &= ~(BM_LCDIF_TRANSFER_COUNT_V_COUNT | + BM_LCDIF_TRANSFER_COUNT_H_COUNT); + val |= BF_LCDIF_TRANSFER_COUNT_H_COUNT(h_active) | + BF_LCDIF_TRANSFER_COUNT_V_COUNT(v_active); + __raw_writel(val, REGS_LCDIF_BASE + HW_LCDIF_TRANSFER_COUNT); + + /* set lcdif to DVI mode */ + __raw_writel(BM_LCDIF_CTRL_DVI_MODE, + REGS_LCDIF_BASE + HW_LCDIF_CTRL_SET); + __raw_writel(BM_LCDIF_CTRL_VSYNC_MODE, + REGS_LCDIF_BASE + HW_LCDIF_CTRL_CLR); + __raw_writel(BM_LCDIF_CTRL_DOTCLK_MODE, + REGS_LCDIF_BASE + HW_LCDIF_CTRL_CLR); + + __raw_writel(BM_LCDIF_CTRL_BYPASS_COUNT, + REGS_LCDIF_BASE + HW_LCDIF_CTRL_SET); + /* convert input RGB -> YCbCr */ + __raw_writel(BM_LCDIF_CTRL_RGB_TO_YCBCR422_CSC, + REGS_LCDIF_BASE + HW_LCDIF_CTRL_SET); + /* interlace odd and even fields */ + __raw_writel(BM_LCDIF_CTRL1_INTERLACE_FIELDS, + REGS_LCDIF_BASE + HW_LCDIF_CTRL1_SET); + + __raw_writel(BM_LCDIF_CTRL_WORD_LENGTH | + BM_LCDIF_CTRL_INPUT_DATA_SWIZZLE | + BM_LCDIF_CTRL_LCD_DATABUS_WIDTH, + REGS_LCDIF_BASE + HW_LCDIF_CTRL_CLR); + __raw_writel(BF_LCDIF_CTRL_WORD_LENGTH(3) | /* 24 bit */ + BM_LCDIF_CTRL_DATA_SELECT | /* data mode */ + BF_LCDIF_CTRL_INPUT_DATA_SWIZZLE(0) | /* no swap */ + BF_LCDIF_CTRL_LCD_DATABUS_WIDTH(1), /* 8 bit */ + REGS_LCDIF_BASE + HW_LCDIF_CTRL_SET); + + /* LCDIF_DVI */ + /* set frame size */ + val = __raw_readl(REGS_LCDIF_BASE + HW_LCDIF_DVICTRL0); + val &= ~(BM_LCDIF_DVICTRL0_H_ACTIVE_CNT | + BM_LCDIF_DVICTRL0_H_BLANKING_CNT | + BM_LCDIF_DVICTRL0_V_LINES_CNT); + val |= BF_LCDIF_DVICTRL0_H_ACTIVE_CNT(1440) | + BF_LCDIF_DVICTRL0_H_BLANKING_CNT(h_blanking) | + BF_LCDIF_DVICTRL0_V_LINES_CNT(v_lines); + __raw_writel(val, REGS_LCDIF_BASE + HW_LCDIF_DVICTRL0); + + /* set start/end of field-1 and start of field-2 */ + val = __raw_readl(REGS_LCDIF_BASE + HW_LCDIF_DVICTRL1); + val &= ~(BM_LCDIF_DVICTRL1_F1_START_LINE | + BM_LCDIF_DVICTRL1_F1_END_LINE | + BM_LCDIF_DVICTRL1_F2_START_LINE); + val |= BF_LCDIF_DVICTRL1_F1_START_LINE(f1_start) | + BF_LCDIF_DVICTRL1_F1_END_LINE(f1_end) | + BF_LCDIF_DVICTRL1_F2_START_LINE(f2_start); + __raw_writel(val, REGS_LCDIF_BASE + HW_LCDIF_DVICTRL1); + + /* set first vertical blanking interval and end of filed-2 */ + val = __raw_readl(REGS_LCDIF_BASE + HW_LCDIF_DVICTRL2); + val &= ~(BM_LCDIF_DVICTRL2_F2_END_LINE | + BM_LCDIF_DVICTRL2_V1_BLANK_START_LINE | + BM_LCDIF_DVICTRL2_V1_BLANK_END_LINE); + val |= BF_LCDIF_DVICTRL2_F2_END_LINE(f2_end) | + BF_LCDIF_DVICTRL2_V1_BLANK_START_LINE(v1_blank_start) | + BF_LCDIF_DVICTRL2_V1_BLANK_END_LINE(v1_blank_end); + __raw_writel(val, REGS_LCDIF_BASE + HW_LCDIF_DVICTRL2); + + /* set second vertical blanking interval */ + val = __raw_readl(REGS_LCDIF_BASE + HW_LCDIF_DVICTRL3); + val &= ~(BM_LCDIF_DVICTRL3_V2_BLANK_START_LINE | + BM_LCDIF_DVICTRL3_V2_BLANK_END_LINE); + val |= BF_LCDIF_DVICTRL3_V2_BLANK_START_LINE(v2_blank_start) | + BF_LCDIF_DVICTRL3_V2_BLANK_END_LINE(v2_blank_end); + __raw_writel(val, REGS_LCDIF_BASE + HW_LCDIF_DVICTRL3); + + /* fill the rest area black color if the input frame + * is not 720 pixels/line + */ + if (h_active != 720) { + /* the input frame can't be less then (720-256) pixels/line */ + if (720 - h_active > 0xff) + h_active = 720 - 0xff; + + val = __raw_readl(REGS_LCDIF_BASE + HW_LCDIF_DVICTRL4); + val &= ~(BM_LCDIF_DVICTRL4_H_FILL_CNT | + BM_LCDIF_DVICTRL4_Y_FILL_VALUE | + BM_LCDIF_DVICTRL4_CB_FILL_VALUE | + BM_LCDIF_DVICTRL4_CR_FILL_VALUE); + val |= BF_LCDIF_DVICTRL4_H_FILL_CNT(720 - h_active) | + BF_LCDIF_DVICTRL4_Y_FILL_VALUE(16) | + BF_LCDIF_DVICTRL4_CB_FILL_VALUE(128) | + BF_LCDIF_DVICTRL4_CR_FILL_VALUE(128); + __raw_writel(val, REGS_LCDIF_BASE + HW_LCDIF_DVICTRL4); + } + + /* Color Space Conversion RGB->YCbCr */ + val = __raw_readl(REGS_LCDIF_BASE + HW_LCDIF_CSC_COEFF0); + val &= ~(BM_LCDIF_CSC_COEFF0_C0 | + BM_LCDIF_CSC_COEFF0_CSC_SUBSAMPLE_FILTER); + val |= BF_LCDIF_CSC_COEFF0_C0(0x41) | + BF_LCDIF_CSC_COEFF0_CSC_SUBSAMPLE_FILTER(3); + __raw_writel(val, REGS_LCDIF_BASE + HW_LCDIF_CSC_COEFF0); + + val = __raw_readl(REGS_LCDIF_BASE + HW_LCDIF_CSC_COEFF1); + val &= ~(BM_LCDIF_CSC_COEFF1_C1 | BM_LCDIF_CSC_COEFF1_C2); + val |= BF_LCDIF_CSC_COEFF1_C1(0x81) | + BF_LCDIF_CSC_COEFF1_C2(0x19); + __raw_writel(val, REGS_LCDIF_BASE + HW_LCDIF_CSC_COEFF1); + + val = __raw_readl(REGS_LCDIF_BASE + HW_LCDIF_CSC_COEFF2); + val &= ~(BM_LCDIF_CSC_COEFF2_C3 | BM_LCDIF_CSC_COEFF2_C4); + val |= BF_LCDIF_CSC_COEFF2_C3(0x3DB) | + BF_LCDIF_CSC_COEFF2_C4(0x3B6); + __raw_writel(val, REGS_LCDIF_BASE + HW_LCDIF_CSC_COEFF2); + + val = __raw_readl(REGS_LCDIF_BASE + HW_LCDIF_CSC_COEFF3); + val &= ~(BM_LCDIF_CSC_COEFF3_C5 | BM_LCDIF_CSC_COEFF3_C6); + val |= BF_LCDIF_CSC_COEFF3_C5(0x70) | + BF_LCDIF_CSC_COEFF3_C6(0x70); + __raw_writel(val, REGS_LCDIF_BASE + HW_LCDIF_CSC_COEFF3); + + val = __raw_readl(REGS_LCDIF_BASE + HW_LCDIF_CSC_COEFF4); + val &= ~(BM_LCDIF_CSC_COEFF4_C7 | BM_LCDIF_CSC_COEFF4_C8); + val |= BF_LCDIF_CSC_COEFF4_C7(0x3A2) | BF_LCDIF_CSC_COEFF4_C8(0x3EE); + __raw_writel(val, REGS_LCDIF_BASE + HW_LCDIF_CSC_COEFF4); + + val = __raw_readl(REGS_LCDIF_BASE + HW_LCDIF_CSC_OFFSET); + val &= ~(BM_LCDIF_CSC_OFFSET_CBCR_OFFSET + | BM_LCDIF_CSC_OFFSET_Y_OFFSET); + val |= BF_LCDIF_CSC_OFFSET_CBCR_OFFSET(0x80) | + BF_LCDIF_CSC_OFFSET_Y_OFFSET(0x10); + __raw_writel(val, REGS_LCDIF_BASE + HW_LCDIF_CSC_OFFSET); + + val = __raw_readl(REGS_LCDIF_BASE + HW_LCDIF_CSC_LIMIT); + val &= ~(BM_LCDIF_CSC_LIMIT_CBCR_MIN | + BM_LCDIF_CSC_LIMIT_CBCR_MAX | + BM_LCDIF_CSC_LIMIT_Y_MIN | + BM_LCDIF_CSC_LIMIT_Y_MAX); + val |= BF_LCDIF_CSC_LIMIT_CBCR_MIN(16) | + BF_LCDIF_CSC_LIMIT_CBCR_MAX(240) | + BF_LCDIF_CSC_LIMIT_Y_MIN(16) | + BF_LCDIF_CSC_LIMIT_Y_MAX(235); + __raw_writel(val, REGS_LCDIF_BASE + HW_LCDIF_CSC_LIMIT); +} + +static inline void release_dvi_panel(void) +{ + __raw_writel(BM_LCDIF_CTRL_DVI_MODE, + REGS_LCDIF_BASE + HW_LCDIF_CTRL_CLR); +} #endif /* _ARCH_ARM_LCDIF_H */ |