int s3cfb_check_var_window(struct s3cfb_global *fbdev,
struct fb_var_screeninfo *var, struct fb_info *fb)
{
struct s3c_platform_fb *pdata = to_fb_plat(fbdev->dev);
struct s3cfb_window *win = fb->par;
struct s3cfb_lcd *lcd = fbdev->lcd;
dev_dbg(fbdev->dev, "[fb%d] check_var\n", win->id);
if (var->bits_per_pixel != 16 && var->bits_per_pixel != 24 &&
var->bits_per_pixel != 32) {
dev_err(fbdev->dev, "invalid bits per pixel\n");
return -EINVAL;
}
if (var->xres > lcd->width)
var->xres = lcd->width;
if (var->yres > lcd->height)
var->yres = lcd->height;
if (var->xres_virtual < var->xres)
var->xres_virtual = var->xres;
#if defined(CONFIG_FB_S3C_VIRTUAL)
if (var->yres_virtual < var->yres)
var->yres_virtual = var->yres * CONFIG_FB_S3C_NR_BUFFERS;
#else
if (var->yres_virtual > var->yres * CONFIG_FB_S3C_NR_BUFFERS)
var->yres_virtual = var->yres * CONFIG_FB_S3C_NR_BUFFERS;
#endif
if (var->xoffset > (var->xres_virtual - var->xres))
var->xoffset = var->xres_virtual - var->xres;
if (var->yoffset + var->yres > var->yres_virtual)
var->yoffset = var->yres_virtual - var->yres;
if (win->x + var->xres > lcd->width)
win->x = lcd->width - var->xres;
if (win->y + var->yres > lcd->height)
win->y = lcd->height - var->yres;
if (var->pixclock != fbdev->fb[pdata->default_win]->var.pixclock) {
dev_info(fbdev->dev, "pixclk is changed from %d Hz to %d Hz\n",
fbdev->fb[pdata->default_win]->var.pixclock,
var->pixclock);
}
s3cfb_set_bitfield(var);
s3cfb_set_alpha_info(var, win);
return 0;
}
static int s3cfb_check_var(struct fb_var_screeninfo *var,
struct fb_info *fb)
{
struct s3c_platform_fb *pdata = to_fb_plat(ctrl->dev);
struct fb_fix_screeninfo *fix = &fb->fix;
struct s3cfb_window *win = fb->par;
struct s3cfb_lcd *lcd = ctrl->lcd;
dev_dbg(ctrl->dev, "[fb%d] check_var\n", win->id);
if (var->bits_per_pixel != 16 && var->bits_per_pixel != 24 &&
var->bits_per_pixel != 32) {
dev_err(ctrl->dev, "invalid bits per pixel\n");
return -EINVAL;
}
if (var->xres > lcd->width)
var->xres = lcd->width;
if (var->yres > lcd->height)
var->yres = lcd->height;
if (var->xres_virtual != var->xres)
var->xres_virtual = var->xres;
if (var->yres_virtual > var->yres * (fb->fix.ypanstep + 1))
var->yres_virtual = var->yres * (fb->fix.ypanstep + 1);
if (var->xoffset != 0)
var->xoffset = 0;
if (var->yoffset + var->yres > var->yres_virtual)
var->yoffset = var->yres_virtual - var->yres;
if (win->x + var->xres > lcd->width)
win->x = lcd->width - var->xres;
if (win->y + var->yres > lcd->height)
win->y = lcd->height - var->yres;
/* modify the fix info */
if (win->id != pdata->default_win) {
fix->line_length = var->xres_virtual * var->bits_per_pixel / 8;
fix->smem_len = fix->line_length * var->yres_virtual;
}
s3cfb_set_bitfield(var);
s3cfb_set_alpha_info(var, win);
return 0;
}
static int s3cfb_check_var(struct fb_var_screeninfo *var, struct fb_info *fb)
{
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev =
platform_get_drvdata(to_platform_device(fb->device));
struct s3cfb_lcd *lcd = fbdev->lcd;
dev_dbg(fbdev->dev, "[fb%d] check_var\n", win->id);
if (var->bits_per_pixel != 16 && var->bits_per_pixel != 24 &&
var->bits_per_pixel != 32) {
dev_err(fbdev->dev, "invalid bits per pixel\n");
return -EINVAL;
}
if (var->xres > lcd->width)
var->xres = lcd->width;
if (var->yres > lcd->height)
var->yres = lcd->height;
if (var->xres_virtual < var->xres)
var->xres_virtual = var->xres;
if (var->yres_virtual > var->yres * CONFIG_FB_S3C_NR_BUFFERS)
var->yres_virtual = var->yres * CONFIG_FB_S3C_NR_BUFFERS;
var->xoffset = 0;
if (var->yoffset + var->yres > var->yres_virtual)
var->yoffset = var->yres_virtual - var->yres;
if (win->x + var->xres > lcd->width)
win->x = lcd->width - var->xres;
if (win->y + var->yres > lcd->height)
win->y = lcd->height - var->yres;
s3cfb_set_bitfield(var);
s3cfb_set_alpha_info(var, win);
return 0;
}
int s3cfb_init_fbinfo(struct s3cfb_global *fbdev, int id)
{
struct fb_info *fb = fbdev->fb[id];
struct fb_fix_screeninfo *fix = &fb->fix;
struct fb_var_screeninfo *var = &fb->var;
struct s3cfb_window *win = fb->par;
struct s3cfb_alpha *alpha = &win->alpha;
struct s3cfb_lcd *lcd = fbdev->lcd;
struct s3cfb_lcd_timing *timing = &lcd->timing;
memset(win, 0, sizeof(struct s3cfb_window));
platform_set_drvdata(to_platform_device(fbdev->dev), fb);
strncpy(fix->id, S3CFB_NAME, sizeof(fix->id));
/* fimd specific */
win->id = id;
win->path = DATA_PATH_DMA;
win->dma_burst = 16;
s3cfb_update_power_state(fbdev, win->id, FB_BLANK_POWERDOWN);
alpha->mode = PLANE_BLENDING;
/* fbinfo */
fb->fbops = &s3cfb_ops;
fb->flags = FBINFO_FLAG_DEFAULT;
fb->pseudo_palette = &win->pseudo_pal;
#if (CONFIG_FB_S3C_NR_BUFFERS != 1)
fix->xpanstep = 2;
fix->ypanstep = 1;
#else
fix->xpanstep = 0;
fix->ypanstep = 0;
#endif
fix->type = FB_TYPE_PACKED_PIXELS;
fix->accel = FB_ACCEL_NONE;
fix->visual = FB_VISUAL_TRUECOLOR;
var->xres = lcd->width;
var->yres = lcd->height;
#if defined(CONFIG_FB_S3C_VIRTUAL)
var->xres_virtual = CONFIG_FB_S3C_X_VRES;
var->yres_virtual = CONFIG_FB_S3C_Y_VRES * CONFIG_FB_S3C_NR_BUFFERS;
#else
var->xres_virtual = var->xres;
var->yres_virtual = var->yres * CONFIG_FB_S3C_NR_BUFFERS;
#endif
var->bits_per_pixel = 32;
var->xoffset = 0;
var->yoffset = 0;
var->width = 0;
var->height = 0;
var->transp.length = 0;
fix->line_length = var->xres_virtual * var->bits_per_pixel / 8;
fix->smem_len = fix->line_length * var->yres_virtual;
var->nonstd = 0;
var->activate = FB_ACTIVATE_NOW;
var->vmode = FB_VMODE_NONINTERLACED;
var->hsync_len = timing->h_sw;
var->vsync_len = timing->v_sw;
var->left_margin = timing->h_bp;
var->right_margin = timing->h_fp;
var->upper_margin = timing->v_bp;
var->lower_margin = timing->v_fp;
var->pixclock = (lcd->freq *
(var->left_margin + var->right_margin
+ var->hsync_len + var->xres) *
(var->upper_margin + var->lower_margin
+ var->vsync_len + var->yres));
var->pixclock = KHZ2PICOS(var->pixclock/1000);
s3cfb_set_bitfield(var);
s3cfb_set_alpha_info(var, win);
return 0;
}
static void s3cfb_init_fbinfo(struct s3cfb_global *ctrl, int id)
{
struct fb_info *fb = ctrl->fb[id];
struct fb_fix_screeninfo *fix = &fb->fix;
struct fb_var_screeninfo *var = &fb->var;
struct s3cfb_window *win = fb->par;
struct s3cfb_alpha *alpha = &win->alpha;
struct s3cfb_lcd *lcd = ctrl->lcd;
struct s3cfb_lcd_timing *timing = &lcd->timing;
memset(win, 0, sizeof(*win));
platform_set_drvdata(to_platform_device(ctrl->dev), ctrl);
strcpy(fix->id, S3CFB_NAME);
win->id = id;
win->path = DATA_PATH_DMA;
win->dma_burst = 16;
alpha->mode = PLANE_BLENDING;
fb->fbops = &s3cfb_ops;
fb->flags = FBINFO_FLAG_DEFAULT;
fb->pseudo_palette = &win->pseudo_pal;
#if (CONFIG_FB_S3C_NR_BUFFERS != 1)
fix->xpanstep = 2;
fix->ypanstep = 1;
#else
fix->xpanstep = 0;
fix->ypanstep = 0;
#endif
fix->type = FB_TYPE_PACKED_PIXELS;
fix->accel = FB_ACCEL_NONE;
fix->visual = FB_VISUAL_TRUECOLOR;
var->xres = lcd->width;
var->yres = lcd->height;
#if defined(CONFIG_FB_S3C_VIRTUAL)
var->xres_virtual = CONFIG_FB_S3C_X_VRES;
var->yres_virtual = CONFIG_FB_S3C_Y_VRES * CONFIG_FB_S3C_NR_BUFFERS;
#else
var->xres_virtual = var->xres;
var->yres_virtual = var->yres * CONFIG_FB_S3C_NR_BUFFERS;
#endif
var->bits_per_pixel = 32;
var->xoffset = 0;
var->yoffset = 0;
var->width = lcd->p_width;
var->height = lcd->p_height;
var->transp.length = 0;
fix->line_length = var->xres_virtual * var->bits_per_pixel / 8;
fix->smem_len = fix->line_length * var->yres_virtual;
var->nonstd = 0;
var->activate = FB_ACTIVATE_NOW;
var->vmode = FB_VMODE_NONINTERLACED;
var->hsync_len = timing->h_sw;
var->vsync_len = timing->v_sw;
var->left_margin = timing->h_fp;
var->right_margin = timing->h_bp;
var->upper_margin = timing->v_fp;
var->lower_margin = timing->v_bp;
var->pixclock = lcd->freq * (var->left_margin + var->right_margin +
var->hsync_len + var->xres) *
(var->upper_margin + var->lower_margin +
var->vsync_len + var->yres);
// namko: Removed the 1.5x multiplier for LTE480WV.
dev_dbg(ctrl->dev, "pixclock: %d\n", var->pixclock);
s3cfb_set_bitfield(var);
s3cfb_set_alpha_info(var, win);
}
static int s3cfb_init_fbinfo(int id)
{
struct s3c_platform_fb *pdata = to_fb_plat(ctrl->dev);
struct fb_info *fb = ctrl->fb[id];
struct fb_fix_screeninfo *fix = &fb->fix;
struct fb_var_screeninfo *var = &fb->var;
struct s3cfb_window *win = fb->par;
struct s3cfb_alpha *alpha = &win->alpha;
struct s3cfb_lcd *lcd = ctrl->lcd;
struct s3cfb_lcd_timing *timing = &lcd->timing;
memset(win, 0, sizeof(struct s3cfb_window));
platform_set_drvdata(to_platform_device(ctrl->dev), fb);
strcpy(fix->id, S3CFB_NAME);
/* fimd specific */
win->id = id;
win->path = DATA_PATH_DMA;
win->dma_burst = 16;
alpha->mode = PLANE_BLENDING;
/* fbinfo */
fb->fbops = &s3cfb_ops;
fb->flags = FBINFO_FLAG_DEFAULT;
fb->pseudo_palette = &win->pseudo_pal;
fix->xpanstep = 0;
fix->ypanstep = pdata->nr_buffers[id] - 1;
fix->type = FB_TYPE_PACKED_PIXELS;
fix->accel = FB_ACCEL_NONE;
fix->visual = FB_VISUAL_TRUECOLOR;
var->xres = lcd->width;
var->yres = lcd->height;
var->xres_virtual = var->xres;
var->yres_virtual = var->yres + (var->yres * fix->ypanstep);
var->bits_per_pixel = 32;
var->xoffset = 0;
var->yoffset = 0;
var->width = 0;
var->height = 0;
var->transp.length = 0;
fix->line_length = var->xres_virtual * var->bits_per_pixel / 8;
fix->smem_len = fix->line_length * var->yres_virtual;
var->nonstd = 0;
var->activate = FB_ACTIVATE_NOW;
var->vmode = FB_VMODE_NONINTERLACED;
var->hsync_len = timing->h_sw;
var->vsync_len = timing->v_sw;
var->left_margin = timing->h_bp;
var->right_margin = timing->h_fp;
var->upper_margin = timing->v_bp;
var->lower_margin = timing->v_fp;
var->pixclock = lcd->freq * (var->left_margin + var->right_margin +
var->hsync_len + var->xres) *
(var->upper_margin + var->lower_margin +
var->vsync_len + var->yres);
dev_dbg(ctrl->dev, "pixclock: %d\n", var->pixclock);
s3cfb_set_bitfield(var);
s3cfb_set_alpha_info(var, win);
return 0;
}