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path: root/drivers/video/da8xx-fb.c
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Diffstat (limited to 'drivers/video/da8xx-fb.c')
-rw-r--r--drivers/video/da8xx-fb.c170
1 files changed, 76 insertions, 94 deletions
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 80665f66ac1..46534e00fe0 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -213,62 +213,51 @@ static struct fb_fix_screeninfo da8xx_fb_fix __devinitdata = {
.accel = FB_ACCEL_NONE
};
-struct da8xx_panel {
- const char name[25]; /* Full name <vendor>_<model> */
- 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 |
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
},
/* 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 = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .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 = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .flag = 0,
},
};
@@ -399,10 +388,9 @@ static int lcd_cfg_dma(int burst_size, int fifo_th)
reg |= LCD_DMA_BURST_SIZE(LCD_DMA_BURST_8);
break;
case 16:
+ default:
reg |= LCD_DMA_BURST_SIZE(LCD_DMA_BURST_16);
break;
- default:
- return -EINVAL;
}
reg |= (fifo_th << 8);
@@ -447,7 +435,8 @@ static void lcd_cfg_vertical_sync(int back_porch, int pulse_width,
lcdc_write(reg, LCD_RASTER_TIMING_1_REG);
}
-static int lcd_cfg_display(const struct lcd_ctrl_config *cfg)
+static int lcd_cfg_display(const struct lcd_ctrl_config *cfg,
+ struct fb_videomode *panel)
{
u32 reg;
u32 reg_int;
@@ -456,7 +445,7 @@ static int lcd_cfg_display(const struct lcd_ctrl_config *cfg)
LCD_MONO_8BIT_MODE |
LCD_MONOCHROME_MODE);
- switch (cfg->p_disp_panel->panel_shade) {
+ switch (cfg->panel_shade) {
case MONOCHROME:
reg |= LCD_MONOCHROME_MODE;
if (cfg->mono_8bit_mode)
@@ -469,7 +458,9 @@ static int lcd_cfg_display(const struct lcd_ctrl_config *cfg)
break;
case COLOR_PASSIVE:
- if (cfg->stn_565_mode)
+ /* AC bias applicable only for Pasive panels */
+ lcd_cfg_ac_bias(cfg->ac_bias, cfg->ac_bias_intrpt);
+ if (cfg->bpp == 12 && cfg->stn_565_mode)
reg |= LCD_STN_565_ENABLE;
break;
@@ -490,22 +481,19 @@ static int lcd_cfg_display(const struct lcd_ctrl_config *cfg)
reg = lcdc_read(LCD_RASTER_TIMING_2_REG);
- if (cfg->sync_ctrl)
- reg |= LCD_SYNC_CTRL;
- else
- reg &= ~LCD_SYNC_CTRL;
+ reg |= LCD_SYNC_CTRL;
if (cfg->sync_edge)
reg |= LCD_SYNC_EDGE;
else
reg &= ~LCD_SYNC_EDGE;
- if (cfg->invert_line_clock)
+ if (panel->sync & FB_SYNC_HOR_HIGH_ACT)
reg |= LCD_INVERT_LINE_CLOCK;
else
reg &= ~LCD_INVERT_LINE_CLOCK;
- if (cfg->invert_frm_clock)
+ if (panel->sync & FB_SYNC_VERT_HIGH_ACT)
reg |= LCD_INVERT_FRAME_CLOCK;
else
reg &= ~LCD_INVERT_FRAME_CLOCK;
@@ -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
@@ -750,30 +738,23 @@ static int lcd_init(struct da8xx_fb_par *par, const struct lcd_ctrl_config *cfg,
if (ret < 0)
return ret;
- /* Configure the AC bias properties. */
- 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);
+ ret = lcd_cfg_display(cfg, panel);
if (ret < 0)
return ret;
- if (QVGA != cfg->p_disp_panel->panel_type)
- return -EINVAL;
+ bpp = cfg->bpp;
- if (cfg->bpp <= cfg->p_disp_panel->max_bpp &&
- cfg->bpp >= cfg->p_disp_panel->min_bpp)
- bpp = cfg->bpp;
- else
- 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 +1216,7 @@ 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;
@@ -1267,7 +1248,7 @@ static int __devinit fb_probe(struct platform_device *device)
goto err_request_mem;
}
- fb_clk = clk_get(&device->dev, NULL);
+ fb_clk = clk_get(&device->dev, "fck");
if (IS_ERR(fb_clk)) {
dev_err(&device->dev, "Can not get device clock\n");
ret = -ENODEV;
@@ -1283,6 +1264,7 @@ static int __devinit fb_probe(struct platform_device *device)
lcd_revision = LCD_VERSION_1;
break;
case 0x4F200800:
+ case 0x4F201000:
lcd_revision = LCD_VERSION_2;
break;
default:
@@ -1323,7 +1305,7 @@ 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 +1318,8 @@ 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 +1337,10 @@ 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 +1366,22 @@ 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;
+ lcd_cfg->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 */