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@ -24,10 +24,17 @@ |
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#include <asm/arch/hardware.h> |
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#include "videomodes.h" |
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#include <asm/arch/da8xx-fb.h> |
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#include "da8xx-fb.h" |
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#if !defined(DA8XX_LCD_CNTL_BASE) |
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#define DA8XX_LCD_CNTL_BASE DAVINCI_LCD_CNTL_BASE |
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#endif |
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#define DRIVER_NAME "da8xx_lcdc" |
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#define LCD_VERSION_1 1 |
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#define LCD_VERSION_2 2 |
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/* LCD Status Register */ |
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#define LCD_END_OF_FRAME1 (1 << 9) |
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#define LCD_END_OF_FRAME0 (1 << 8) |
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@ -42,9 +49,14 @@ |
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#define LCD_DMA_BURST_4 0x2 |
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#define LCD_DMA_BURST_8 0x3 |
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#define LCD_DMA_BURST_16 0x4 |
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#define LCD_END_OF_FRAME_INT_ENA (1 << 2) |
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#define LCD_V1_END_OF_FRAME_INT_ENA (1 << 2) |
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#define LCD_V2_END_OF_FRAME0_INT_ENA (1 << 8) |
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#define LCD_V2_END_OF_FRAME1_INT_ENA (1 << 9) |
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#define LCD_DUAL_FRAME_BUFFER_ENABLE (1 << 0) |
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#define LCD_V2_TFT_24BPP_MODE (1 << 25) |
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#define LCD_V2_TFT_24BPP_UNPACK (1 << 26) |
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/* LCD Control Register */ |
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#define LCD_CLK_DIVISOR(x) ((x) << 8) |
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#define LCD_RASTER_MODE 0x01 |
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@ -58,12 +70,20 @@ |
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#define LCD_MONO_8BIT_MODE (1 << 9) |
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#define LCD_RASTER_ORDER (1 << 8) |
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#define LCD_TFT_MODE (1 << 7) |
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#define LCD_UNDERFLOW_INT_ENA (1 << 6) |
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#define LCD_PL_ENABLE (1 << 4) |
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#define LCD_V1_UNDERFLOW_INT_ENA (1 << 6) |
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#define LCD_V2_UNDERFLOW_INT_ENA (1 << 5) |
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#define LCD_V1_PL_INT_ENA (1 << 4) |
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#define LCD_V2_PL_INT_ENA (1 << 6) |
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#define LCD_MONOCHROME_MODE (1 << 1) |
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#define LCD_RASTER_ENABLE (1 << 0) |
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#define LCD_TFT_ALT_ENABLE (1 << 23) |
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#define LCD_STN_565_ENABLE (1 << 24) |
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#define LCD_V2_DMA_CLK_EN (1 << 2) |
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#define LCD_V2_LIDD_CLK_EN (1 << 1) |
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#define LCD_V2_CORE_CLK_EN (1 << 0) |
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#define LCD_V2_LPP_B10 26 |
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#define LCD_V2_TFT_24BPP_MODE (1 << 25) |
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#define LCD_V2_TFT_24BPP_UNPACK (1 << 26) |
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/* LCD Raster Timing 2 Register */ |
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#define LCD_AC_BIAS_TRANSITIONS_PER_INT(x) ((x) << 16) |
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@ -74,6 +94,8 @@ |
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#define LCD_INVERT_LINE_CLOCK (1 << 21) |
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#define LCD_INVERT_FRAME_CLOCK (1 << 20) |
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/* Clock registers available only on Version 2 */ |
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#define LCD_CLK_MAIN_RESET (1 << 3) |
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/* LCD Block */ |
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struct da8xx_lcd_regs { |
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u32 revid; |
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@ -97,6 +119,15 @@ struct da8xx_lcd_regs { |
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u32 dma_frm_buf_ceiling_addr_0; |
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u32 dma_frm_buf_base_addr_1; |
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u32 dma_frm_buf_ceiling_addr_1; |
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u32 resv1; |
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u32 raw_stat; |
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u32 masked_stat; |
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u32 int_ena_set; |
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u32 int_ena_clr; |
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u32 end_of_int_ind; |
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/* Clock registers available only on Version 2 */ |
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u32 clk_ena; |
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u32 clk_reset; |
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}; |
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#define LCD_NUM_BUFFERS 1 |
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@ -107,6 +138,8 @@ struct da8xx_lcd_regs { |
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#define RIGHT_MARGIN 64 |
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#define UPPER_MARGIN 32 |
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#define LOWER_MARGIN 32 |
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#define WAIT_FOR_FRAME_DONE true |
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#define NO_WAIT_FOR_FRAME_DONE false |
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#define calc_fbsize() (panel.plnSizeX * panel.plnSizeY * panel.gdfBytesPP) |
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@ -119,6 +152,8 @@ static GraphicDevice gpanel; |
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static const struct da8xx_panel *lcd_panel; |
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static struct fb_info *da8xx_fb_info; |
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static int bits_x_pixel; |
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static unsigned int lcd_revision; |
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const struct lcd_ctrl_config *da8xx_lcd_cfg; |
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static inline unsigned int lcdc_read(u32 *addr) |
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{ |
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@ -179,35 +214,24 @@ static struct fb_fix_screeninfo da8xx_fb_fix = { |
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.accel = FB_ACCEL_NONE |
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}; |
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static const struct display_panel disp_panel = { |
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QVGA, |
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16, |
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16, |
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COLOR_ACTIVE, |
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}; |
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static const struct lcd_ctrl_config lcd_cfg = { |
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&disp_panel, |
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.ac_bias = 255, |
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.ac_bias_intrpt = 0, |
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.dma_burst_sz = 16, |
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.bpp = 16, |
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.fdd = 255, |
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.tft_alt_mode = 0, |
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.stn_565_mode = 0, |
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.mono_8bit_mode = 0, |
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.invert_line_clock = 1, |
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.invert_frm_clock = 1, |
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.sync_edge = 0, |
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.sync_ctrl = 1, |
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.raster_order = 0, |
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}; |
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/* Enable the Raster Engine of the LCD Controller */ |
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static inline void lcd_enable_raster(void) |
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{ |
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u32 reg; |
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/* Put LCDC in reset for several cycles */ |
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if (lcd_revision == LCD_VERSION_2) |
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lcdc_write(LCD_CLK_MAIN_RESET, |
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&da8xx_fb_reg_base->clk_reset); |
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udelay(1000); |
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/* Bring LCDC out of reset */ |
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if (lcd_revision == LCD_VERSION_2) |
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lcdc_write(0, |
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&da8xx_fb_reg_base->clk_reset); |
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udelay(1000); |
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reg = lcdc_read(&da8xx_fb_reg_base->raster_ctrl); |
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if (!(reg & LCD_RASTER_ENABLE)) |
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lcdc_write(reg | LCD_RASTER_ENABLE, |
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@ -215,14 +239,40 @@ static inline void lcd_enable_raster(void) |
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} |
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/* Disable the Raster Engine of the LCD Controller */ |
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static inline void lcd_disable_raster(void) |
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static inline void lcd_disable_raster(bool wait_for_frame_done) |
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{ |
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u32 reg; |
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u32 loop_cnt = 0; |
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u32 stat; |
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u32 i = 0; |
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if (wait_for_frame_done) |
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loop_cnt = 5000; |
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reg = lcdc_read(&da8xx_fb_reg_base->raster_ctrl); |
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if (reg & LCD_RASTER_ENABLE) |
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lcdc_write(reg & ~LCD_RASTER_ENABLE, |
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&da8xx_fb_reg_base->raster_ctrl); |
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/* Wait for the current frame to complete */ |
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do { |
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if (lcd_revision == LCD_VERSION_1) |
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stat = lcdc_read(&da8xx_fb_reg_base->stat); |
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else |
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stat = lcdc_read(&da8xx_fb_reg_base->raw_stat); |
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mdelay(1); |
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} while (!(stat & 0x01) && (i++ < loop_cnt)); |
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if (lcd_revision == LCD_VERSION_1) |
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lcdc_write(stat, &da8xx_fb_reg_base->stat); |
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else |
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lcdc_write(stat, &da8xx_fb_reg_base->raw_stat); |
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if ((loop_cnt != 0) && (i >= loop_cnt)) { |
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printf("LCD Controller timed out\n"); |
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return; |
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} |
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} |
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static void lcd_blit(int load_mode, struct da8xx_fb_par *par) |
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@ -231,6 +281,7 @@ static void lcd_blit(int load_mode, struct da8xx_fb_par *par) |
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u32 end; |
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u32 reg_ras; |
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u32 reg_dma; |
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u32 reg_int; |
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/* init reg to clear PLM (loading mode) fields */ |
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reg_ras = lcdc_read(&da8xx_fb_reg_base->raster_ctrl); |
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@ -243,7 +294,15 @@ static void lcd_blit(int load_mode, struct da8xx_fb_par *par) |
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end = par->dma_end; |
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reg_ras |= LCD_PALETTE_LOAD_MODE(DATA_ONLY); |
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reg_dma |= LCD_END_OF_FRAME_INT_ENA; |
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if (lcd_revision == LCD_VERSION_1) { |
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reg_dma |= LCD_V1_END_OF_FRAME_INT_ENA; |
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} else { |
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reg_int = lcdc_read(&da8xx_fb_reg_base->int_ena_set) | |
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LCD_V2_END_OF_FRAME0_INT_ENA | |
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LCD_V2_END_OF_FRAME1_INT_ENA | |
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LCD_V2_UNDERFLOW_INT_ENA | LCD_SYNC_LOST; |
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lcdc_write(reg_int, &da8xx_fb_reg_base->int_ena_set); |
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} |
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#if (LCD_NUM_BUFFERS == 2) |
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reg_dma |= LCD_DUAL_FRAME_BUFFER_ENABLE; |
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@ -264,7 +323,13 @@ static void lcd_blit(int load_mode, struct da8xx_fb_par *par) |
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end = start + par->palette_sz - 1; |
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reg_ras |= LCD_PALETTE_LOAD_MODE(PALETTE_ONLY); |
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reg_ras |= LCD_PL_ENABLE; |
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if (lcd_revision == LCD_VERSION_1) { |
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reg_ras |= LCD_V1_PL_INT_ENA; |
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} else { |
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reg_int = lcdc_read(&da8xx_fb_reg_base->int_ena_set) | |
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LCD_V2_PL_INT_ENA; |
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lcdc_write(reg_int, &da8xx_fb_reg_base->int_ena_set); |
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} |
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lcdc_write(start, &da8xx_fb_reg_base->dma_frm_buf_base_addr_0); |
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lcdc_write(end, &da8xx_fb_reg_base->dma_frm_buf_ceiling_addr_0); |
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@ -348,6 +413,7 @@ static void lcd_cfg_vertical_sync(int back_porch, int pulse_width, |
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static int lcd_cfg_display(const struct lcd_ctrl_config *cfg) |
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{ |
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u32 reg; |
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u32 reg_int; |
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reg = lcdc_read(&da8xx_fb_reg_base->raster_ctrl) & ~(LCD_TFT_MODE | |
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LCD_MONO_8BIT_MODE | |
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@ -375,7 +441,13 @@ static int lcd_cfg_display(const struct lcd_ctrl_config *cfg) |
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} |
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/* enable additional interrupts here */ |
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reg |= LCD_UNDERFLOW_INT_ENA; |
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if (lcd_revision == LCD_VERSION_1) { |
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reg |= LCD_V1_UNDERFLOW_INT_ENA; |
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} else { |
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reg_int = lcdc_read(&da8xx_fb_reg_base->int_ena_set) | |
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LCD_V2_UNDERFLOW_INT_ENA; |
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lcdc_write(reg_int, &da8xx_fb_reg_base->int_ena_set); |
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} |
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lcdc_write(reg, &da8xx_fb_reg_base->raster_ctrl); |
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@ -413,22 +485,53 @@ static int lcd_cfg_frame_buffer(struct da8xx_fb_par *par, u32 width, u32 height, |
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/* Set the Panel Width */ |
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/* Pixels per line = (PPL + 1)*16 */ |
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/*0x3F in bits 4..9 gives max horisontal resolution = 1024 pixels*/ |
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width &= 0x3f0; |
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if (lcd_revision == LCD_VERSION_1) { |
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/*
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* 0x3F in bits 4..9 gives max horisontal resolution = 1024 |
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* pixels |
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*/ |
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width &= 0x3f0; |
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} else { |
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/*
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* 0x7F in bits 4..10 gives max horizontal resolution = 2048 |
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* pixels. |
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*/ |
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width &= 0x7f0; |
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} |
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reg = lcdc_read(&da8xx_fb_reg_base->raster_timing_0); |
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reg &= 0xfffffc00; |
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reg |= ((width >> 4) - 1) << 4; |
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if (lcd_revision == LCD_VERSION_1) { |
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reg |= ((width >> 4) - 1) << 4; |
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} else { |
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width = (width >> 4) - 1; |
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reg |= ((width & 0x3f) << 4) | ((width & 0x40) >> 3); |
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} |
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lcdc_write(reg, &da8xx_fb_reg_base->raster_timing_0); |
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/* Set the Panel Height */ |
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/* Set bits 9:0 of Lines Per Pixel */ |
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reg = lcdc_read(&da8xx_fb_reg_base->raster_timing_1); |
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reg = ((height - 1) & 0x3ff) | (reg & 0xfffffc00); |
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lcdc_write(reg, &da8xx_fb_reg_base->raster_timing_1); |
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/* Set bit 10 of Lines Per Pixel */ |
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if (lcd_revision == LCD_VERSION_2) { |
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reg = lcdc_read(&da8xx_fb_reg_base->raster_timing_2); |
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reg |= ((height - 1) & 0x400) << 16; |
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lcdc_write(reg, &da8xx_fb_reg_base->raster_timing_2); |
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} |
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/* Set the Raster Order of the Frame Buffer */ |
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reg = lcdc_read(&da8xx_fb_reg_base->raster_ctrl) & ~(1 << 8); |
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if (raster_order) |
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reg |= LCD_RASTER_ORDER; |
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if (bpp == 24) |
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reg |= (LCD_TFT_MODE | LCD_V2_TFT_24BPP_MODE); |
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else if (bpp == 32) |
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reg |= (LCD_TFT_MODE | LCD_V2_TFT_24BPP_MODE |
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| LCD_V2_TFT_24BPP_UNPACK); |
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lcdc_write(reg, &da8xx_fb_reg_base->raster_ctrl); |
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switch (bpp) { |
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@ -436,6 +539,8 @@ static int lcd_cfg_frame_buffer(struct da8xx_fb_par *par, u32 width, u32 height, |
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case 2: |
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|
|
case 4: |
|
|
|
|
case 16: |
|
|
|
|
case 24: |
|
|
|
|
case 32: |
|
|
|
|
par->palette_sz = 16 * 2; |
|
|
|
|
break; |
|
|
|
|
|
|
|
|
@ -494,6 +599,23 @@ static int fb_setcolreg(unsigned regno, unsigned red, unsigned green, |
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|
|
|
update_hw = 1; |
|
|
|
|
palette[0] = 0x4000; |
|
|
|
|
} |
|
|
|
|
} else if (((info->var.bits_per_pixel == 32) && regno < 32) || |
|
|
|
|
((info->var.bits_per_pixel == 24) && regno < 24)) { |
|
|
|
|
red >>= (24 - info->var.red.length); |
|
|
|
|
red <<= info->var.red.offset; |
|
|
|
|
|
|
|
|
|
green >>= (24 - info->var.green.length); |
|
|
|
|
green <<= info->var.green.offset; |
|
|
|
|
|
|
|
|
|
blue >>= (24 - info->var.blue.length); |
|
|
|
|
blue <<= info->var.blue.offset; |
|
|
|
|
|
|
|
|
|
par->pseudo_palette[regno] = red | green | blue; |
|
|
|
|
|
|
|
|
|
if (palette[0] != 0x4000) { |
|
|
|
|
update_hw = 1; |
|
|
|
|
palette[0] = 0x4000; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/* Update the palette in the h/w as needed. */ |
|
|
|
@ -506,11 +628,18 @@ static int fb_setcolreg(unsigned regno, unsigned red, unsigned green, |
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|
|
|
static void lcd_reset(struct da8xx_fb_par *par) |
|
|
|
|
{ |
|
|
|
|
/* Disable the Raster if previously Enabled */ |
|
|
|
|
lcd_disable_raster(); |
|
|
|
|
lcd_disable_raster(NO_WAIT_FOR_FRAME_DONE); |
|
|
|
|
|
|
|
|
|
/* DMA has to be disabled */ |
|
|
|
|
lcdc_write(0, &da8xx_fb_reg_base->dma_ctrl); |
|
|
|
|
lcdc_write(0, &da8xx_fb_reg_base->raster_ctrl); |
|
|
|
|
|
|
|
|
|
if (lcd_revision == LCD_VERSION_2) { |
|
|
|
|
lcdc_write(0, &da8xx_fb_reg_base->int_ena_set); |
|
|
|
|
/* Write 1 to reset */ |
|
|
|
|
lcdc_write(LCD_CLK_MAIN_RESET, &da8xx_fb_reg_base->clk_reset); |
|
|
|
|
lcdc_write(0, &da8xx_fb_reg_base->clk_reset); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
static void lcd_calc_clk_divider(struct da8xx_fb_par *par) |
|
|
|
@ -521,12 +650,17 @@ static void lcd_calc_clk_divider(struct da8xx_fb_par *par) |
|
|
|
|
lcd_clk = clk_get(2); |
|
|
|
|
|
|
|
|
|
div = lcd_clk / par->pxl_clk; |
|
|
|
|
debug("LCD Clock: 0x%x Divider: 0x%x PixClk: 0x%x\n", |
|
|
|
|
lcd_clk, div, par->pxl_clk); |
|
|
|
|
debug("LCD Clock: %d Divider: %d PixClk: %d\n", |
|
|
|
|
lcd_clk, div, par->pxl_clk); |
|
|
|
|
|
|
|
|
|
/* Configure the LCD clock divisor. */ |
|
|
|
|
lcdc_write(LCD_CLK_DIVISOR(div) | |
|
|
|
|
(LCD_RASTER_MODE & 0x1), &da8xx_fb_reg_base->ctrl); |
|
|
|
|
|
|
|
|
|
if (lcd_revision == LCD_VERSION_2) |
|
|
|
|
lcdc_write(LCD_V2_DMA_CLK_EN | LCD_V2_LIDD_CLK_EN | |
|
|
|
|
LCD_V2_CORE_CLK_EN, |
|
|
|
|
&da8xx_fb_reg_base->clk_ena); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
static int lcd_init(struct da8xx_fb_par *par, const struct lcd_ctrl_config *cfg, |
|
|
|
@ -566,7 +700,8 @@ static int lcd_init(struct da8xx_fb_par *par, const struct lcd_ctrl_config *cfg, |
|
|
|
|
if (ret < 0) |
|
|
|
|
return ret; |
|
|
|
|
|
|
|
|
|
if (QVGA != cfg->p_disp_panel->panel_type) |
|
|
|
|
if ((QVGA != cfg->p_disp_panel->panel_type) && |
|
|
|
|
(WVGA != cfg->p_disp_panel->panel_type)) |
|
|
|
|
return -EINVAL; |
|
|
|
|
|
|
|
|
|
if (cfg->bpp <= cfg->p_disp_panel->max_bpp && |
|
|
|
@ -602,7 +737,7 @@ static void lcdc_dma_start(void) |
|
|
|
|
&da8xx_fb_reg_base->dma_frm_buf_ceiling_addr_1); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
static u32 lcdc_irq_handler(void) |
|
|
|
|
static u32 lcdc_irq_handler_rev01(void) |
|
|
|
|
{ |
|
|
|
|
struct da8xx_fb_par *par = da8xx_fb_info->par; |
|
|
|
|
u32 stat = lcdc_read(&da8xx_fb_reg_base->stat); |
|
|
|
@ -610,7 +745,7 @@ static u32 lcdc_irq_handler(void) |
|
|
|
|
|
|
|
|
|
if ((stat & LCD_SYNC_LOST) && (stat & LCD_FIFO_UNDERFLOW)) { |
|
|
|
|
debug("LCD_SYNC_LOST\n"); |
|
|
|
|
lcd_disable_raster(); |
|
|
|
|
lcd_disable_raster(NO_WAIT_FOR_FRAME_DONE); |
|
|
|
|
lcdc_write(stat, &da8xx_fb_reg_base->stat); |
|
|
|
|
lcd_enable_raster(); |
|
|
|
|
return LCD_SYNC_LOST; |
|
|
|
@ -622,13 +757,13 @@ static u32 lcdc_irq_handler(void) |
|
|
|
|
* interrupt via the following write to the status register. If |
|
|
|
|
* this is done after then one gets multiple PL done interrupts. |
|
|
|
|
*/ |
|
|
|
|
lcd_disable_raster(); |
|
|
|
|
lcd_disable_raster(NO_WAIT_FOR_FRAME_DONE); |
|
|
|
|
|
|
|
|
|
lcdc_write(stat, &da8xx_fb_reg_base->stat); |
|
|
|
|
|
|
|
|
|
/* Disable PL completion inerrupt */ |
|
|
|
|
reg_ras = lcdc_read(&da8xx_fb_reg_base->raster_ctrl); |
|
|
|
|
reg_ras &= ~LCD_PL_ENABLE; |
|
|
|
|
reg_ras &= ~LCD_V1_PL_INT_ENA; |
|
|
|
|
lcdc_write(reg_ras, &da8xx_fb_reg_base->raster_ctrl); |
|
|
|
|
|
|
|
|
|
/* Setup and start data loading mode */ |
|
|
|
@ -650,6 +785,66 @@ static u32 lcdc_irq_handler(void) |
|
|
|
|
return stat; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
static u32 lcdc_irq_handler_rev02(void) |
|
|
|
|
{ |
|
|
|
|
struct da8xx_fb_par *par = da8xx_fb_info->par; |
|
|
|
|
u32 stat = lcdc_read(&da8xx_fb_reg_base->masked_stat); |
|
|
|
|
u32 reg_int; |
|
|
|
|
|
|
|
|
|
if ((stat & LCD_SYNC_LOST) && (stat & LCD_FIFO_UNDERFLOW)) { |
|
|
|
|
debug("LCD_SYNC_LOST\n"); |
|
|
|
|
lcd_disable_raster(NO_WAIT_FOR_FRAME_DONE); |
|
|
|
|
lcdc_write(stat, &da8xx_fb_reg_base->masked_stat); |
|
|
|
|
lcd_enable_raster(); |
|
|
|
|
lcdc_write(0, &da8xx_fb_reg_base->end_of_int_ind); |
|
|
|
|
return LCD_SYNC_LOST; |
|
|
|
|
} else if (stat & LCD_PL_LOAD_DONE) { |
|
|
|
|
debug("LCD_PL_LOAD_DONE\n"); |
|
|
|
|
/*
|
|
|
|
|
* Must disable raster before changing state of any control bit. |
|
|
|
|
* And also must be disabled before clearing the PL loading |
|
|
|
|
* interrupt via the following write to the status register. If |
|
|
|
|
* this is done after then one gets multiple PL done interrupts. |
|
|
|
|
*/ |
|
|
|
|
lcd_disable_raster(NO_WAIT_FOR_FRAME_DONE); |
|
|
|
|
|
|
|
|
|
lcdc_write(stat, &da8xx_fb_reg_base->masked_stat); |
|
|
|
|
|
|
|
|
|
/* Disable PL completion inerrupt */ |
|
|
|
|
reg_int = lcdc_read(&da8xx_fb_reg_base->int_ena_clr) | |
|
|
|
|
(LCD_V2_PL_INT_ENA); |
|
|
|
|
lcdc_write(reg_int, &da8xx_fb_reg_base->int_ena_clr); |
|
|
|
|
|
|
|
|
|
/* Setup and start data loading mode */ |
|
|
|
|
lcd_blit(LOAD_DATA, par); |
|
|
|
|
lcdc_write(0, &da8xx_fb_reg_base->end_of_int_ind); |
|
|
|
|
return LCD_PL_LOAD_DONE; |
|
|
|
|
} else { |
|
|
|
|
lcdc_write(stat, &da8xx_fb_reg_base->masked_stat); |
|
|
|
|
|
|
|
|
|
if (stat & LCD_END_OF_FRAME0) |
|
|
|
|
debug("LCD_END_OF_FRAME0\n"); |
|
|
|
|
|
|
|
|
|
lcdc_write(par->dma_start, |
|
|
|
|
&da8xx_fb_reg_base->dma_frm_buf_base_addr_0); |
|
|
|
|
lcdc_write(par->dma_end, |
|
|
|
|
&da8xx_fb_reg_base->dma_frm_buf_ceiling_addr_0); |
|
|
|
|
par->vsync_flag = 1; |
|
|
|
|
lcdc_write(0, &da8xx_fb_reg_base->end_of_int_ind); |
|
|
|
|
return LCD_END_OF_FRAME0; |
|
|
|
|
} |
|
|
|
|
lcdc_write(0, &da8xx_fb_reg_base->end_of_int_ind); |
|
|
|
|
return stat; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
static u32 lcdc_irq_handler(void) |
|
|
|
|
{ |
|
|
|
|
if (lcd_revision == LCD_VERSION_1) |
|
|
|
|
return lcdc_irq_handler_rev01(); |
|
|
|
|
else |
|
|
|
|
return lcdc_irq_handler_rev02(); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
static u32 wait_for_event(u32 event) |
|
|
|
|
{ |
|
|
|
|
u32 timeout = 50000; |
|
|
|
@ -673,6 +868,7 @@ void *video_hw_init(void) |
|
|
|
|
{ |
|
|
|
|
struct da8xx_fb_par *par; |
|
|
|
|
u32 size; |
|
|
|
|
u32 rev; |
|
|
|
|
char *p; |
|
|
|
|
|
|
|
|
|
if (!lcd_panel) { |
|
|
|
@ -685,6 +881,10 @@ void *video_hw_init(void) |
|
|
|
|
gpanel.plnSizeY = lcd_panel->height; |
|
|
|
|
|
|
|
|
|
switch (bits_x_pixel) { |
|
|
|
|
case 32: |
|
|
|
|
gpanel.gdfBytesPP = 4; |
|
|
|
|
gpanel.gdfIndex = GDF_32BIT_X888RGB; |
|
|
|
|
break; |
|
|
|
|
case 24: |
|
|
|
|
gpanel.gdfBytesPP = 4; |
|
|
|
|
gpanel.gdfIndex = GDF_32BIT_X888RGB; |
|
|
|
@ -699,12 +899,29 @@ void *video_hw_init(void) |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
da8xx_fb_reg_base = (struct da8xx_lcd_regs *)DAVINCI_LCD_CNTL_BASE; |
|
|
|
|
da8xx_fb_reg_base = (struct da8xx_lcd_regs *)DA8XX_LCD_CNTL_BASE; |
|
|
|
|
|
|
|
|
|
/* Determine LCD IP Version */ |
|
|
|
|
rev = lcdc_read(&da8xx_fb_reg_base->revid); |
|
|
|
|
switch (rev) { |
|
|
|
|
case 0x4C100102: |
|
|
|
|
lcd_revision = LCD_VERSION_1; |
|
|
|
|
break; |
|
|
|
|
case 0x4F200800: |
|
|
|
|
case 0x4F201000: |
|
|
|
|
lcd_revision = LCD_VERSION_2; |
|
|
|
|
break; |
|
|
|
|
default: |
|
|
|
|
printf("Unknown PID Reg value 0x%x, defaulting to LCD revision 1\n", |
|
|
|
|
rev); |
|
|
|
|
lcd_revision = LCD_VERSION_1; |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
debug("Resolution: %dx%d %x\n", |
|
|
|
|
gpanel.winSizeX, |
|
|
|
|
gpanel.winSizeY, |
|
|
|
|
lcd_cfg.bpp); |
|
|
|
|
debug("rev: 0x%x Resolution: %dx%d %d\n", rev, |
|
|
|
|
gpanel.winSizeX, |
|
|
|
|
gpanel.winSizeY, |
|
|
|
|
da8xx_lcd_cfg->bpp); |
|
|
|
|
|
|
|
|
|
size = sizeof(struct fb_info) + sizeof(struct da8xx_fb_par); |
|
|
|
|
da8xx_fb_info = malloc(size); |
|
|
|
@ -722,13 +939,14 @@ void *video_hw_init(void) |
|
|
|
|
par = da8xx_fb_info->par; |
|
|
|
|
par->pxl_clk = lcd_panel->pxl_clk; |
|
|
|
|
|
|
|
|
|
if (lcd_init(par, &lcd_cfg, lcd_panel) < 0) { |
|
|
|
|
if (lcd_init(par, da8xx_lcd_cfg, lcd_panel) < 0) { |
|
|
|
|
printf("lcd_init failed\n"); |
|
|
|
|
goto err_release_fb; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/* allocate frame buffer */ |
|
|
|
|
par->vram_size = lcd_panel->width * lcd_panel->height * lcd_cfg.bpp; |
|
|
|
|
par->vram_size = lcd_panel->width * lcd_panel->height * |
|
|
|
|
da8xx_lcd_cfg->bpp; |
|
|
|
|
par->vram_size = par->vram_size * LCD_NUM_BUFFERS / 8; |
|
|
|
|
|
|
|
|
|
par->vram_virt = malloc(par->vram_size); |
|
|
|
@ -741,12 +959,13 @@ void *video_hw_init(void) |
|
|
|
|
printf("GLCD: malloc for frame buffer failed\n"); |
|
|
|
|
goto err_release_fb; |
|
|
|
|
} |
|
|
|
|
gd->fb_base = (int)par->vram_virt; |
|
|
|
|
|
|
|
|
|
gpanel.frameAdrs = (unsigned int)par->vram_virt; |
|
|
|
|
da8xx_fb_info->screen_base = (char *) par->vram_virt; |
|
|
|
|
da8xx_fb_fix.smem_start = gpanel.frameAdrs; |
|
|
|
|
da8xx_fb_fix.smem_len = par->vram_size; |
|
|
|
|
da8xx_fb_fix.line_length = (lcd_panel->width * lcd_cfg.bpp) / 8; |
|
|
|
|
da8xx_fb_fix.line_length = (lcd_panel->width * da8xx_lcd_cfg->bpp) / 8; |
|
|
|
|
|
|
|
|
|
par->dma_start = par->vram_phys; |
|
|
|
|
par->dma_end = par->dma_start + lcd_panel->height * |
|
|
|
@ -762,7 +981,7 @@ void *video_hw_init(void) |
|
|
|
|
par->p_palette_base = (unsigned int)par->v_palette_base; |
|
|
|
|
|
|
|
|
|
/* Initialize par */ |
|
|
|
|
da8xx_fb_info->var.bits_per_pixel = lcd_cfg.bpp; |
|
|
|
|
da8xx_fb_info->var.bits_per_pixel = da8xx_lcd_cfg->bpp; |
|
|
|
|
|
|
|
|
|
da8xx_fb_var.xres = lcd_panel->width; |
|
|
|
|
da8xx_fb_var.xres_virtual = lcd_panel->width; |
|
|
|
@ -771,8 +990,8 @@ void *video_hw_init(void) |
|
|
|
|
da8xx_fb_var.yres_virtual = lcd_panel->height * LCD_NUM_BUFFERS; |
|
|
|
|
|
|
|
|
|
da8xx_fb_var.grayscale = |
|
|
|
|
lcd_cfg.p_disp_panel->panel_shade == MONOCHROME ? 1 : 0; |
|
|
|
|
da8xx_fb_var.bits_per_pixel = lcd_cfg.bpp; |
|
|
|
|
da8xx_lcd_cfg->p_disp_panel->panel_shade == MONOCHROME ? 1 : 0; |
|
|
|
|
da8xx_fb_var.bits_per_pixel = da8xx_lcd_cfg->bpp; |
|
|
|
|
|
|
|
|
|
da8xx_fb_var.hsync_len = lcd_panel->hsw; |
|
|
|
|
da8xx_fb_var.vsync_len = lcd_panel->vsw; |
|
|
|
@ -787,8 +1006,11 @@ void *video_hw_init(void) |
|
|
|
|
|
|
|
|
|
/* Clear interrupt */ |
|
|
|
|
memset((void *)par->vram_virt, 0, par->vram_size); |
|
|
|
|
lcd_disable_raster(); |
|
|
|
|
lcdc_write(0xFFFF, &da8xx_fb_reg_base->stat); |
|
|
|
|
lcd_disable_raster(NO_WAIT_FOR_FRAME_DONE); |
|
|
|
|
if (lcd_revision == LCD_VERSION_1) |
|
|
|
|
lcdc_write(0xFFFF, &da8xx_fb_reg_base->stat); |
|
|
|
|
else |
|
|
|
|
lcdc_write(0xFFFF, &da8xx_fb_reg_base->masked_stat); |
|
|
|
|
debug("Palette at 0x%x size %d\n", par->p_palette_base, |
|
|
|
|
par->palette_sz); |
|
|
|
|
lcdc_dma_start(); |
|
|
|
@ -823,8 +1045,10 @@ void video_set_lut(unsigned int index, /* color number */ |
|
|
|
|
return; |
|
|
|
|
} |
|
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void da8xx_video_init(const struct da8xx_panel *panel, int bits_pixel) |
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void da8xx_video_init(const struct da8xx_panel *panel, |
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const struct lcd_ctrl_config *lcd_cfg, int bits_pixel) |
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{ |
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lcd_panel = panel; |
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da8xx_lcd_cfg = lcd_cfg; |
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bits_x_pixel = bits_pixel; |
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} |
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