diff options
Diffstat (limited to 'drivers/video/omap3_dss.c')
| -rw-r--r-- | drivers/video/omap3_dss.c | 77 |
1 files changed, 57 insertions, 20 deletions
diff --git a/drivers/video/omap3_dss.c b/drivers/video/omap3_dss.c index b322cc3..6686718 100644 --- a/drivers/video/omap3_dss.c +++ b/drivers/video/omap3_dss.c @@ -28,10 +28,9 @@ #include <common.h> #include <asm/io.h> #include <asm/arch/dss.h> +#include <video_fb.h> -/* - * Configure VENC for a given Mode (NTSC / PAL) - */ +/* Configure VENC for a given Mode (NTSC / PAL) */ void omap3_dss_venc_config(const struct venc_regs *venc_cfg, u32 height, u32 width) { @@ -64,10 +63,8 @@ void omap3_dss_venc_config(const struct venc_regs *venc_cfg, writel(venc_cfg->savid__eavid, &venc->savid__eavid); writel(venc_cfg->flen__fal, &venc->flen__fal); writel(venc_cfg->lal__phase_reset, &venc->lal__phase_reset); - writel(venc_cfg->hs_int_start_stop_x, - &venc->hs_int_start_stop_x); - writel(venc_cfg->hs_ext_start_stop_x, - &venc->hs_ext_start_stop_x); + writel(venc_cfg->hs_int_start_stop_x, &venc->hs_int_start_stop_x); + writel(venc_cfg->hs_ext_start_stop_x, &venc->hs_ext_start_stop_x); writel(venc_cfg->vs_int_start_x, &venc->vs_int_start_x); writel(venc_cfg->vs_int_stop_x__vs_int_start_y, &venc->vs_int_stop_x__vs_int_start_y); @@ -93,39 +90,79 @@ void omap3_dss_venc_config(const struct venc_regs *venc_cfg, writel(venc_cfg->dac_b__dac_c, &venc->dac_b__dac_c); /* Configure DSS for VENC Settings */ - writel(VENC_DSS_CONFIG, &dss->control); + writel(VENC_CLK_ENABLE | DAC_DEMEN | DAC_POWERDN | VENC_OUT_SEL, + &dss->control); /* Configure height and width for Digital out */ - writel(((height << DIG_LPP_SHIFT) | width), &dispc->size_dig); + writel(height << DIG_LPP_SHIFT | width, &dispc->size_dig); } -/* - * Configure Panel Specific Parameters - */ +/* Configure Panel Specific Parameters */ void omap3_dss_panel_config(const struct panel_config *panel_cfg) { struct dispc_regs *dispc = (struct dispc_regs *) OMAP3_DISPC_BASE; + struct dss_regs *dss = (struct dss_regs *) OMAP3_DSS_BASE; + + writel(DSS_SOFTRESET, &dss->sysconfig); + while (!(readl(&dss->sysstatus) & DSS_RESETDONE)) + ; writel(panel_cfg->timing_h, &dispc->timing_h); writel(panel_cfg->timing_v, &dispc->timing_v); writel(panel_cfg->pol_freq, &dispc->pol_freq); writel(panel_cfg->divisor, &dispc->divisor); writel(panel_cfg->lcd_size, &dispc->size_lcd); - writel((panel_cfg->load_mode << FRAME_MODE_SHIFT), &dispc->config); - writel(((panel_cfg->panel_type << TFTSTN_SHIFT) | - (panel_cfg->data_lines << DATALINES_SHIFT)), &dispc->control); + writel(panel_cfg->load_mode << FRAME_MODE_SHIFT, &dispc->config); + writel(panel_cfg->panel_type << TFTSTN_SHIFT | + panel_cfg->data_lines << DATALINES_SHIFT, &dispc->control); writel(panel_cfg->panel_color, &dispc->default_color0); + writel((u32) panel_cfg->frame_buffer, &dispc->gfx_ba0); + + if (!panel_cfg->frame_buffer) + return; + + writel(panel_cfg->load_mode << LOADMODE_SHIFT, &dispc->config); + writel(8 << GFX_FORMAT_SHIFT | GFX_ENABLE, &dispc->gfx_attributes); + writel(1, &dispc->gfx_row_inc); + writel(1, &dispc->gfx_pixel_inc); + writel(panel_cfg->lcd_size, &dispc->gfx_size); } -/* - * Enable LCD and DIGITAL OUT in DSS - */ +/* Enable LCD and DIGITAL OUT in DSS */ void omap3_dss_enable(void) { struct dispc_regs *dispc = (struct dispc_regs *) OMAP3_DISPC_BASE; - u32 l = 0; + u32 l; l = readl(&dispc->control); - l |= DISPC_ENABLE; + l |= LCD_ENABLE | GO_LCD | DIG_ENABLE | GO_DIG | GP_OUT0 | GP_OUT1; writel(l, &dispc->control); } + +#ifdef CONFIG_CFB_CONSOLE +int __board_video_init(void) +{ + return -1; +} + +int board_video_init(void) + __attribute__((weak, alias("__board_video_init"))); + +void *video_hw_init(void) +{ + static GraphicDevice dssfb; + GraphicDevice *pGD = &dssfb; + struct dispc_regs *dispc = (struct dispc_regs *) OMAP3_DISPC_BASE; + + if (board_video_init() || !readl(&dispc->gfx_ba0)) + return NULL; + + pGD->winSizeX = (readl(&dispc->size_lcd) & 0x7FF) + 1; + pGD->winSizeY = ((readl(&dispc->size_lcd) >> 16) & 0x7FF) + 1; + pGD->gdfBytesPP = 4; + pGD->gdfIndex = GDF_32BIT_X888RGB; + pGD->frameAdrs = readl(&dispc->gfx_ba0); + + return pGD; +} +#endif |