From f772fabdf72aec5ef05988dd82dfd150e58f7aa3 Mon Sep 17 00:00:00 2001 From: "Manjunathappa, Prakash" Date: Tue, 16 Oct 2012 10:23:15 +0530 Subject: [PATCH] da8xx-fb: adopt fb_videomode data for panel information Adopt fb_videomode data instead of defining driver private structure to hold panel information. This is the way standard FB drivers maintain the panel information. Signed-off-by: Manjunathappa, Prakash Signed-off-by: Tomi Valkeinen --- drivers/video/da8xx-fb.c | 130 ++++++++++++++++++++++------------------------- include/video/da8xx-fb.h | 3 ++ 2 files changed, 63 insertions(+), 70 deletions(-) diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index 80665f6..c3db036 100644 --- a/drivers/video/da8xx-fb.c +++ b/drivers/video/da8xx-fb.c @@ -213,62 +213,50 @@ static struct fb_fix_screeninfo da8xx_fb_fix __devinitdata = { .accel = FB_ACCEL_NONE }; -struct da8xx_panel { - const char name[25]; /* Full name _ */ - unsigned short width; - unsigned short height; - int hfp; /* Horizontal front porch */ - int hbp; /* Horizontal back porch */ - int hsw; /* Horizontal Sync Pulse Width */ - int vfp; /* Vertical front porch */ - int vbp; /* Vertical back porch */ - int vsw; /* Vertical Sync Pulse Width */ - unsigned int pxl_clk; /* Pixel clock */ - unsigned char invert_pxl_clk; /* Invert Pixel clock */ -}; - -static struct da8xx_panel known_lcd_panels[] = { +static struct fb_videomode known_lcd_panels[] = { /* Sharp LCD035Q3DG01 */ [0] = { - .name = "Sharp_LCD035Q3DG01", - .width = 320, - .height = 240, - .hfp = 8, - .hbp = 6, - .hsw = 0, - .vfp = 2, - .vbp = 2, - .vsw = 0, - .pxl_clk = 4608000, - .invert_pxl_clk = 1, + .name = "Sharp_LCD035Q3DG01", + .xres = 320, + .yres = 240, + .pixclock = 4608000, + .left_margin = 6, + .right_margin = 8, + .upper_margin = 2, + .lower_margin = 2, + .hsync_len = 0, + .vsync_len = 0, + .sync = FB_SYNC_CLK_INVERT, }, /* Sharp LK043T1DG01 */ [1] = { - .name = "Sharp_LK043T1DG01", - .width = 480, - .height = 272, - .hfp = 2, - .hbp = 2, - .hsw = 41, - .vfp = 2, - .vbp = 2, - .vsw = 10, - .pxl_clk = 7833600, - .invert_pxl_clk = 0, + .name = "Sharp_LK043T1DG01", + .xres = 480, + .yres = 272, + .pixclock = 7833600, + .left_margin = 2, + .right_margin = 2, + .upper_margin = 2, + .lower_margin = 2, + .hsync_len = 41, + .vsync_len = 10, + .sync = 0, + .flag = 0, }, [2] = { /* Hitachi SP10Q010 */ - .name = "SP10Q010", - .width = 320, - .height = 240, - .hfp = 10, - .hbp = 10, - .hsw = 10, - .vfp = 10, - .vbp = 10, - .vsw = 10, - .pxl_clk = 7833600, - .invert_pxl_clk = 0, + .name = "SP10Q010", + .xres = 320, + .yres = 240, + .pixclock = 7833600, + .left_margin = 10, + .right_margin = 10, + .upper_margin = 10, + .lower_margin = 10, + .hsync_len = 10, + .vsync_len = 10, + .sync = 0, + .flag = 0, }, }; @@ -728,7 +716,7 @@ static void lcd_calc_clk_divider(struct da8xx_fb_par *par) } static int lcd_init(struct da8xx_fb_par *par, const struct lcd_ctrl_config *cfg, - struct da8xx_panel *panel) + struct fb_videomode *panel) { u32 bpp; int ret = 0; @@ -738,7 +726,7 @@ static int lcd_init(struct da8xx_fb_par *par, const struct lcd_ctrl_config *cfg, /* Calculate the divider */ lcd_calc_clk_divider(par); - if (panel->invert_pxl_clk) + if (panel->sync & FB_SYNC_CLK_INVERT) lcdc_write((lcdc_read(LCD_RASTER_TIMING_2_REG) | LCD_INVERT_PIXEL_CLOCK), LCD_RASTER_TIMING_2_REG); else @@ -754,8 +742,10 @@ static int lcd_init(struct da8xx_fb_par *par, const struct lcd_ctrl_config *cfg, lcd_cfg_ac_bias(cfg->ac_bias, cfg->ac_bias_intrpt); /* Configure the vertical and horizontal sync properties. */ - lcd_cfg_vertical_sync(panel->vbp, panel->vsw, panel->vfp); - lcd_cfg_horizontal_sync(panel->hbp, panel->hsw, panel->hfp); + lcd_cfg_vertical_sync(panel->lower_margin, panel->vsync_len, + panel->upper_margin); + lcd_cfg_horizontal_sync(panel->right_margin, panel->hsync_len, + panel->left_margin); /* Configure for disply */ ret = lcd_cfg_display(cfg); @@ -772,8 +762,8 @@ static int lcd_init(struct da8xx_fb_par *par, const struct lcd_ctrl_config *cfg, bpp = cfg->p_disp_panel->max_bpp; if (bpp == 12) bpp = 16; - ret = lcd_cfg_frame_buffer(par, (unsigned int)panel->width, - (unsigned int)panel->height, bpp, + ret = lcd_cfg_frame_buffer(par, (unsigned int)panel->xres, + (unsigned int)panel->yres, bpp, cfg->raster_order); if (ret < 0) return ret; @@ -1235,7 +1225,7 @@ static int __devinit fb_probe(struct platform_device *device) struct da8xx_lcdc_platform_data *fb_pdata = device->dev.platform_data; struct lcd_ctrl_config *lcd_cfg; - struct da8xx_panel *lcdc_info; + struct fb_videomode *lcdc_info; struct fb_info *da8xx_fb_info; struct clk *fb_clk = NULL; struct da8xx_fb_par *par; @@ -1323,7 +1313,7 @@ static int __devinit fb_probe(struct platform_device *device) #ifdef CONFIG_CPU_FREQ par->lcd_fck_rate = clk_get_rate(fb_clk); #endif - par->pxl_clk = lcdc_info->pxl_clk; + par->pxl_clk = lcdc_info->pixclock; if (fb_pdata->panel_power_ctrl) { par->panel_power_ctrl = fb_pdata->panel_power_ctrl; par->panel_power_ctrl(1); @@ -1336,8 +1326,8 @@ static int __devinit fb_probe(struct platform_device *device) } /* allocate frame buffer */ - par->vram_size = lcdc_info->width * lcdc_info->height * lcd_cfg->bpp; - ulcm = lcm((lcdc_info->width * lcd_cfg->bpp)/8, PAGE_SIZE); + par->vram_size = lcdc_info->xres * lcdc_info->yres * lcd_cfg->bpp; + ulcm = lcm((lcdc_info->xres * lcd_cfg->bpp)/8, PAGE_SIZE); par->vram_size = roundup(par->vram_size/8, ulcm); par->vram_size = par->vram_size * LCD_NUM_BUFFERS; @@ -1355,10 +1345,10 @@ static int __devinit fb_probe(struct platform_device *device) da8xx_fb_info->screen_base = (char __iomem *) par->vram_virt; da8xx_fb_fix.smem_start = par->vram_phys; da8xx_fb_fix.smem_len = par->vram_size; - da8xx_fb_fix.line_length = (lcdc_info->width * lcd_cfg->bpp) / 8; + da8xx_fb_fix.line_length = (lcdc_info->xres * lcd_cfg->bpp) / 8; par->dma_start = par->vram_phys; - par->dma_end = par->dma_start + lcdc_info->height * + par->dma_end = par->dma_start + lcdc_info->yres * da8xx_fb_fix.line_length - 1; /* allocate palette buffer */ @@ -1384,22 +1374,22 @@ static int __devinit fb_probe(struct platform_device *device) /* Initialize par */ da8xx_fb_info->var.bits_per_pixel = lcd_cfg->bpp; - da8xx_fb_var.xres = lcdc_info->width; - da8xx_fb_var.xres_virtual = lcdc_info->width; + da8xx_fb_var.xres = lcdc_info->xres; + da8xx_fb_var.xres_virtual = lcdc_info->xres; - da8xx_fb_var.yres = lcdc_info->height; - da8xx_fb_var.yres_virtual = lcdc_info->height * LCD_NUM_BUFFERS; + da8xx_fb_var.yres = lcdc_info->yres; + da8xx_fb_var.yres_virtual = lcdc_info->yres * 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_fb_var.hsync_len = lcdc_info->hsw; - da8xx_fb_var.vsync_len = lcdc_info->vsw; - da8xx_fb_var.right_margin = lcdc_info->hfp; - da8xx_fb_var.left_margin = lcdc_info->hbp; - da8xx_fb_var.lower_margin = lcdc_info->vfp; - da8xx_fb_var.upper_margin = lcdc_info->vbp; + da8xx_fb_var.hsync_len = lcdc_info->hsync_len; + da8xx_fb_var.vsync_len = lcdc_info->vsync_len; + da8xx_fb_var.right_margin = lcdc_info->right_margin; + da8xx_fb_var.left_margin = lcdc_info->left_margin; + da8xx_fb_var.lower_margin = lcdc_info->lower_margin; + da8xx_fb_var.upper_margin = lcdc_info->upper_margin; da8xx_fb_var.pixclock = da8xxfb_pixel_clk_period(par); /* Initialize fbinfo */ diff --git a/include/video/da8xx-fb.h b/include/video/da8xx-fb.h index 5a0e4f9..12e4e1d 100644 --- a/include/video/da8xx-fb.h +++ b/include/video/da8xx-fb.h @@ -103,5 +103,8 @@ struct lcd_sync_arg { #define FBIPUT_HSYNC _IOW('F', 9, int) #define FBIPUT_VSYNC _IOW('F', 10, int) +/* Proprietary FB_SYNC_ flags */ +#define FB_SYNC_CLK_INVERT 0x40000000 + #endif /* ifndef DA8XX_FB_H */ -- 2.7.4