static int s3cfb_map_default_video_memory(struct fb_info *fb)
{
#if defined(CONFIG_FB_S3C_VIRTUAL)
struct fb_fix_screeninfo *fix = &fb->fix;
struct s3cfb_window *win = fb->par;
struct s3c_platform_fb *pdata = to_fb_plat(fbdev->dev);
if (win->owner == DMA_MEM_OTHER)
return 0;
fix->smem_start = pdata->pmem_start[win->id];
fb->screen_base = ioremap_wc(fix->smem_start, pdata->pmem_size[win->id]);
if (!fb->screen_base)
return -ENOMEM;
else
dev_info(fbdev->dev, "[fb%d] dma: 0x%08x, cpu: 0x%08x, "
"size: 0x%08x\n", win->id,
(unsigned int)fix->smem_start,
(unsigned int)fb->screen_base, fix->smem_len);
memset(fb->screen_base, 0, fix->smem_len);
win->owner = DMA_MEM_FIMD;
#else
s3cfb_map_video_memory(fb);
#endif
return 0;
}
int s3cfb_set_par_window(struct s3cfb_global *fbdev, struct fb_info *fb)
{
struct s3c_platform_fb *pdata = to_fb_plat(fbdev->dev);
struct s3cfb_window *win = fb->par;
dev_dbg(fbdev->dev, "[fb%d] set_par\n", win->id);
#if 0 /* In android scenario, this routine is not required */
if ((win->id != pdata->default_win) && fb->fix.smem_start)
s3cfb_unmap_video_memory(fbdev, fb);
#endif
/* modify the fix info */
if (win->id != pdata->default_win) {
fb->fix.line_length = fb->var.xres_virtual *
fb->var.bits_per_pixel / 8;
fb->fix.smem_len = fb->fix.line_length * fb->var.yres_virtual;
}
#if 0 /* In android scenario, this routine is not required */
if (win->id != pdata->default_win)
s3cfb_map_video_memory(fbdev, fb);
#endif
s3cfb_set_win_params(fbdev, win->id);
return 0;
}
int s3cfb_set_par_window(struct s3cfb_global *fbdev, struct fb_info *fb)
{
struct s3c_platform_fb *pdata = to_fb_plat(fbdev->dev);
struct s3cfb_window *win = fb->par;
int ret;
dev_dbg(fbdev->dev, "[fb%d] set_par\n", win->id);
#if (!defined(CONFIG_CPU_EXYNOS4210))
if ((win->id != pdata->default_win) && fb->fix.smem_start)
s3cfb_unmap_video_memory(fbdev, fb);
#endif
/* modify the fix info */
if (win->id != pdata->default_win) {
fb->fix.line_length = fb->var.xres_virtual *
fb->var.bits_per_pixel / 8;
fb->fix.smem_len = fb->fix.line_length * fb->var.yres_virtual;
}
if (win->id != pdata->default_win && !fb->fix.smem_start) {
ret = s3cfb_map_video_memory(fbdev, fb);
if (ret != 0)
return ret;
}
s3cfb_set_win_params(fbdev, win->id);
return 0;
}
static int s3cfb_alloc_framebuffer(void)
{
struct s3c_platform_fb *pdata = to_fb_plat(ctrl->dev);
int ret, i;
/* alloc for framebuffers */
ctrl->fb = (struct fb_info **) kmalloc(pdata->nr_wins *
sizeof(struct fb_info *), GFP_KERNEL);
if (!ctrl->fb) {
dev_err(ctrl->dev, "not enough memory\n");
ret = -ENOMEM;
goto err_alloc;
}
/* alloc for each framebuffer */
for (i = 0; i < pdata->nr_wins; i++) {
ctrl->fb[i] = framebuffer_alloc(sizeof(struct s3cfb_window),
ctrl->dev);
if (!ctrl->fb[i]) {
dev_err(ctrl->dev, "not enough memory\n");
ret = -ENOMEM;
goto err_alloc_fb;
}
ret = s3cfb_init_fbinfo(i);
if (ret) {
dev_err(ctrl->dev, "failed to allocate memory for fb%d\n", i);
ret = -ENOMEM;
goto err_alloc_fb;
}
if (i == pdata->default_win) {
if (s3cfb_map_video_memory(ctrl->fb[i])) {
dev_err(ctrl->dev, "failed to map video memory "
"for default window (%d)\n", i);
ret = -ENOMEM;
goto err_alloc_fb;
}
}
}
return 0;
err_alloc_fb:
for (i = 0; i < pdata->nr_wins; i++) {
if (ctrl->fb[i])
framebuffer_release(ctrl->fb[i]);
}
kfree(ctrl->fb);
err_alloc:
return ret;
}
static int s3cfb_alloc_framebuffer(struct s3cfb_global *ctrl)
{
struct s3c_platform_fb *pdata = to_fb_plat(ctrl->dev);
int ret, i;
ctrl->fb = kmalloc(pdata->nr_wins *
sizeof(*(ctrl->fb)), GFP_KERNEL);
if (!ctrl->fb) {
dev_err(ctrl->dev, "not enough memory\n");
ret = -ENOMEM;
goto err_alloc;
}
for (i = 0; i < pdata->nr_wins; i++) {
ctrl->fb[i] = framebuffer_alloc(sizeof(*ctrl->fb),
ctrl->dev);
if (!ctrl->fb[i]) {
dev_err(ctrl->dev, "not enough memory\n");
ret = -ENOMEM;
goto err_alloc_fb;
}
s3cfb_init_fbinfo(ctrl, i);
if (i == pdata->default_win) {
if (s3cfb_map_video_memory(ctrl->fb[i])) {
dev_err(ctrl->dev,
"failed to map video memory "
"for default window (%d)\n", i);
ret = -ENOMEM;
goto err_map_video_mem;
}
}
}
return 0;
err_alloc_fb:
while (--i >= 0) {
if (i == pdata->default_win)
s3cfb_unmap_default_video_memory(ctrl->fb[i]);
err_map_video_mem:
framebuffer_release(ctrl->fb[i]);
}
kfree(ctrl->fb);
err_alloc:
return ret;
}
static int s3cfb_set_par(struct fb_info *fb)
{
struct s3c_platform_fb *pdata = to_fb_plat(ctrl->dev);
struct s3cfb_window *win = fb->par;
dev_dbg(ctrl->dev, "[fb%d] set_par\n", win->id);
if ((win->id != pdata->default_win) && !fb->fix.smem_start)
s3cfb_map_video_memory(fb);
s3cfb_set_window_control(ctrl, win->id);
s3cfb_set_window_position(ctrl, win->id);
s3cfb_set_window_size(ctrl, win->id);
s3cfb_set_buffer_address(ctrl, win->id);
s3cfb_set_buffer_size(ctrl, win->id);
if (win->id > 0)
s3cfb_set_alpha_blending(ctrl, win->id);
return 0;
}
int s3cfb_set_par_window(struct s3cfb_global *fbdev, struct fb_info *fb)
{
struct s3c_platform_fb *pdata = to_fb_plat(fbdev->dev);
struct s3cfb_window *win = fb->par;
dev_dbg(fbdev->dev, "[fb%d] set_par\n", win->id);
/* modify the fix info */
if (win->id != pdata->default_win) {
fb->fix.line_length = fb->var.xres_virtual *
fb->var.bits_per_pixel / 8;
fb->fix.smem_len = fb->fix.line_length * fb->var.yres_virtual;
}
if (win->id != pdata->default_win && !fb->fix.smem_start)
s3cfb_map_video_memory(fbdev, fb);
s3cfb_set_win_params(fbdev, win->id);
return 0;
}
