int s3cfb_close_fifo(int id, int (*do_priv) (void *), void *param)
{
struct s3cfb_global *fbdev = get_fimd_global(id);
struct s3cfb_window *win = fbdev->fb[id]->par;
win->path = DATA_PATH_DMA;
dev_dbg(fbdev->dev, "[fb%d] close fifo\n", win->id);
if (do_priv) {
s3cfb_display_off(fbdev);
if (do_priv(param)) {
dev_err(fbdev->dev, "failed to run for"
"private fifo close\n");
s3cfb_enable_window(fbdev, id);
s3cfb_display_on(fbdev);
return -EFAULT;
}
s3cfb_disable_window(fbdev, id);
s3cfb_disable_localpath(fbdev, id);
s3cfb_display_on(fbdev);
} else {
s3cfb_disable_window(fbdev, id);
s3cfb_disable_localpath(fbdev, id);
}
return 0;
}
static int s3cfb_sysfs_store_win_power(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
{
struct s3c_platform_fb *pdata = to_fb_plat(dev);
char temp[4] = { 0, };
const char *p = buf;
int id, to;
while (*p != '\0') {
if (!isspace(*p))
strncat(temp, p, 1);
p++;
}
if (strlen(temp) != 2)
return -EINVAL;
id = simple_strtoul(temp, NULL, 10) / 10;
to = simple_strtoul(temp, NULL, 10) % 10;
if (id < 0 || id > pdata->nr_wins)
return -EINVAL;
if (to != 0 && to != 1)
return -EINVAL;
if (to == 0)
s3cfb_disable_window(id);
else
s3cfb_enable_window(id);
return len;
}
/* new function to close fifo */
int s3cfb_close_fifo(int id, int (*do_priv)(void *), void *param, int sleep)
{
struct s3cfb_window *win = ctrl->fb[id]->par;
dev_dbg(ctrl->dev, "[fb%d] close fifo\n", win->id);
if (sleep)
win->path = DATA_PATH_FIFO;
else
win->path = DATA_PATH_DMA;
s3cfb_set_vsync_interrupt(ctrl, 1);
s3cfb_wait_for_vsync();
s3cfb_set_vsync_interrupt(ctrl, 0);
s3cfb_display_off(ctrl);
s3cfb_check_line_count(ctrl);
s3cfb_disable_window(id);
if (do_priv) {
if (do_priv(param)) {
dev_err(ctrl->dev, "failed to run for private fifo close\n");
s3cfb_enable_window(id);
s3cfb_display_on(ctrl);
return -EFAULT;
}
}
s3cfb_display_on(ctrl);
return 0;
}
static int s3cfb_blank(int blank_mode, struct fb_info *fb)
{
struct s3cfb_window *win = fb->par;
dev_dbg(ctrl->dev, "change blank mode\n");
switch (blank_mode) {
case FB_BLANK_UNBLANK:
if (fb->fix.smem_start)
s3cfb_enable_window(win->id);
else
dev_info(ctrl->dev, "[fb%d] no allocated memory for unblank\n",
win->id);
break;
case FB_BLANK_POWERDOWN:
s3cfb_disable_window(win->id);
break;
default:
dev_dbg(ctrl->dev, "unsupported blank mode\n");
return -EINVAL;
}
return 0;
}
/* for backward compatibilities */
void s3cfb_enable_dma(int id)
{
struct s3cfb_window *win = ctrl->fb[id]->par;
win->path = DATA_PATH_DMA;
s3cfb_set_vsync_interrupt(ctrl, 1);
s3cfb_wait_for_vsync();
s3cfb_set_vsync_interrupt(ctrl, 0);
s3cfb_disable_window(id);
s3cfb_display_off(ctrl);
s3cfb_set_window_control(ctrl, id);
s3cfb_display_on(ctrl);
}
static int s3cfb_release_window(struct fb_info *fb)
{
struct s3c_platform_fb *pdata = to_fb_plat(fbdev->dev);
struct s3cfb_window *win = fb->par;
if (win->id != pdata->default_win) {
s3cfb_disable_window(win->id);
s3cfb_unmap_video_memory(fb);
s3cfb_set_buffer_address(fbdev, win->id);
}
win->x = 0;
win->y = 0;
return 0;
}
int s3cfb_blank(int blank_mode, struct fb_info *fb)
{
struct s3cfb_window *win = fb->par;
struct s3cfb_window *tmp_win;
struct s3cfb_global *fbdev = get_fimd_global(fb->node);
struct platform_device *pdev = to_platform_device(fbdev->dev);
struct s3c_platform_fb *pdata = to_fb_plat(fbdev->dev);
int enabled_win = 0;
int i;
dev_dbg(fbdev->dev, "change blank mode\n");
switch (blank_mode) {
case FB_BLANK_UNBLANK:
if (!fb->fix.smem_start) {
dev_info(fbdev->dev, \
"[fb%d] no allocated memory for unblank\n", win->id);
break;
}
if (win->power_state == FB_BLANK_UNBLANK) {
dev_info(fbdev->dev, \
"[fb%d] already in FB_BLANK_UNBLANK\n", win->id);
break;
} else {
s3cfb_update_power_state(fbdev, win->id,
FB_BLANK_UNBLANK);
}
enabled_win = atomic_read(&fbdev->enabled_win);
if (enabled_win == 0) {
pdata->clk_on(pdev, &fbdev->clock);
s3cfb_init_global(fbdev);
s3cfb_set_clock(fbdev);
for (i = 0; i < pdata->nr_wins; i++) {
tmp_win = fbdev->fb[i]->par;
if (tmp_win->owner == DMA_MEM_FIMD)
s3cfb_set_win_params(fbdev,
tmp_win->id);
}
}
if (win->enabled) /* from FB_BLANK_NORMAL */
s3cfb_win_map_off(fbdev, win->id);
else /* from FB_BLANK_POWERDOWN */
s3cfb_enable_window(fbdev, win->id);
if (enabled_win == 0) {
s3cfb_display_on(fbdev);
if (pdata->backlight_on)
pdata->backlight_on(pdev);
if (pdata->lcd_on)
pdata->lcd_on(pdev);
if (fbdev->lcd->init_ldi)
fbdev->lcd->init_ldi();
}
break;
case FB_BLANK_NORMAL:
if (win->power_state == FB_BLANK_NORMAL) {
dev_info(fbdev->dev, \
"[fb%d] already in FB_BLANK_NORMAL\n", win->id);
break;
} else {
s3cfb_update_power_state(fbdev, win->id,
FB_BLANK_NORMAL);
}
enabled_win = atomic_read(&fbdev->enabled_win);
if (enabled_win == 0) {
pdata->clk_on(pdev, &fbdev->clock);
s3cfb_init_global(fbdev);
s3cfb_set_clock(fbdev);
for (i = 0; i < pdata->nr_wins; i++) {
tmp_win = fbdev->fb[i]->par;
if (tmp_win->owner == DMA_MEM_FIMD)
s3cfb_set_win_params(fbdev,
tmp_win->id);
}
}
s3cfb_win_map_on(fbdev, win->id, 0x0);
if (!win->enabled) /* from FB_BLANK_POWERDOWN */
s3cfb_enable_window(fbdev, win->id);
if (enabled_win == 0) {
s3cfb_display_on(fbdev);
if (pdata->backlight_on)
pdata->backlight_on(pdev);
if (pdata->lcd_on)
pdata->lcd_on(pdev);
if (fbdev->lcd->init_ldi)
fbdev->lcd->init_ldi();
}
break;
case FB_BLANK_POWERDOWN:
if (win->power_state == FB_BLANK_POWERDOWN) {
dev_info(fbdev->dev, \
"[fb%d] already in FB_BLANK_POWERDOWN\n", win->id);
break;
} else {
s3cfb_update_power_state(fbdev, win->id,
FB_BLANK_POWERDOWN);
}
s3cfb_disable_window(fbdev, win->id);
s3cfb_win_map_off(fbdev, win->id);
if (atomic_read(&fbdev->enabled_win) == 0) {
if (pdata->backlight_off)
pdata->backlight_off(pdev);
if (fbdev->lcd->deinit_ldi)
fbdev->lcd->deinit_ldi();
if (pdata->lcd_off)
pdata->lcd_off(pdev);
s3cfb_display_off(fbdev);
pdata->clk_off(pdev, &fbdev->clock);
}
break;
case FB_BLANK_VSYNC_SUSPEND: /* fall through */
case FB_BLANK_HSYNC_SUSPEND: /* fall through */
default:
dev_dbg(fbdev->dev, "unsupported blank mode\n");
return -EINVAL;
}
return 0;
}
int s3cfb_direct_ioctl(int id, unsigned int cmd, unsigned long arg)
{
struct s3cfb_global *fbdev = get_fimd_global(id);
struct fb_info *fb = fbdev->fb[id];
struct fb_var_screeninfo *var = &fb->var;
struct fb_fix_screeninfo *fix = &fb->fix;
struct s3cfb_window *win = fb->par;
struct s3cfb_lcd *lcd = fbdev->lcd;
struct s3cfb_user_window user_win;
void *argp = (void *)arg;
int ret = 0;
switch (cmd) {
case FBIOGET_FSCREENINFO:
ret = memcpy(argp, &fb->fix, sizeof(fb->fix)) ? 0 : -EFAULT;
break;
case FBIOGET_VSCREENINFO:
ret = memcpy(argp, &fb->var, sizeof(fb->var)) ? 0 : -EFAULT;
break;
case FBIOPUT_VSCREENINFO:
ret = s3cfb_check_var((struct fb_var_screeninfo *)argp, fb);
if (ret) {
dev_err(fbdev->dev, "invalid vscreeninfo\n");
break;
}
ret = memcpy(&fb->var, (struct fb_var_screeninfo *)argp,
sizeof(fb->var)) ? 0 : -EFAULT;
if (ret) {
dev_err(fbdev->dev, "failed to put new vscreeninfo\n");
break;
}
fix->line_length = var->xres_virtual * var->bits_per_pixel / 8;
fix->smem_len = fix->line_length * var->yres_virtual;
s3cfb_set_win_params(fbdev, id);
break;
case S3CFB_WIN_POSITION:
ret = memcpy(&user_win, (struct s3cfb_user_window __user *)arg,
sizeof(user_win)) ? 0 : -EFAULT;
if (ret) {
dev_err(fbdev->dev, "failed to S3CFB_WIN_POSITION\n");
break;
}
if (user_win.x < 0)
user_win.x = 0;
if (user_win.y < 0)
user_win.y = 0;
if (user_win.x + var->xres > lcd->width)
win->x = lcd->width - var->xres;
else
win->x = user_win.x;
if (user_win.y + var->yres > lcd->height)
win->y = lcd->height - var->yres;
else
win->y = user_win.y;
s3cfb_set_window_position(fbdev, win->id);
break;
case S3CFB_GET_LCD_WIDTH:
ret = memcpy(argp, &lcd->width, sizeof(int)) ? 0 : -EFAULT;
if (ret) {
dev_err(fbdev->dev, "failed to S3CFB_GET_LCD_WIDTH\n");
break;
}
break;
case S3CFB_GET_LCD_HEIGHT:
ret = memcpy(argp, &lcd->height, sizeof(int)) ? 0 : -EFAULT;
if (ret) {
dev_err(fbdev->dev, "failed to S3CFB_GET_LCD_HEIGHT\n");
break;
}
break;
case S3CFB_SET_WRITEBACK:
if ((u32)argp == 1)
fbdev->output = OUTPUT_WB_RGB;
else
fbdev->output = OUTPUT_RGB;
s3cfb_set_output(fbdev);
break;
case S3CFB_SET_WIN_ON:
s3cfb_enable_window(fbdev, id);
break;
case S3CFB_SET_WIN_OFF:
s3cfb_disable_window(fbdev, id);
break;
case S3CFB_SET_WIN_PATH:
win->path = (enum s3cfb_data_path_t)argp;
break;
case S3CFB_SET_WIN_ADDR:
fix->smem_start = (unsigned long)argp;
s3cfb_set_buffer_address(fbdev, id);
break;
case S3CFB_SET_WIN_MEM:
win->owner = (enum s3cfb_mem_owner_t)argp;
break;
case S3CFB_SET_VSYNC_INT:
if (argp)
s3cfb_set_global_interrupt(fbdev, 1);
s3cfb_set_vsync_interrupt(fbdev, (int)argp);
break;
case S3CFB_GET_VSYNC_INT_STATUS:
ret = s3cfb_get_vsync_interrupt(fbdev);
break;
default:
ret = s3cfb_ioctl(fb, cmd, arg);
break;
}
return ret;
}
static int s3cfb_ioctl(struct fb_info *fb, unsigned int cmd,
unsigned long arg)
{
struct s3c_platform_fb *pdata = to_fb_plat(ctrl->dev);
struct fb_var_screeninfo *var = &fb->var;
struct s3cfb_window *win = fb->par, *win_temp;
struct s3cfb_lcd *lcd = ctrl->lcd;
int ret = 0, i;
union {
struct s3cfb_user_window user_window;
struct s3cfb_user_plane_alpha user_alpha;
struct s3cfb_user_chroma user_chroma;
int vsync;
} p;
switch (cmd) {
case FBIO_WAITFORVSYNC:
s3cfb_wait_for_vsync();
break;
case S3CFB_WIN_ON:
s3cfb_enable_window(win->id);
break;
case S3CFB_WIN_OFF:
s3cfb_disable_window(win->id);
break;
case S3CFB_WIN_OFF_ALL:
for (i = 0; i < pdata->nr_wins; i++) {
win_temp = ctrl->fb[i]->par;
s3cfb_disable_window(win_temp->id);
}
break;
case S3CFB_WIN_POSITION:
if (copy_from_user(&p.user_window,
(struct s3cfb_user_window __user *) arg,
sizeof(p.user_window)))
ret = -EFAULT;
else {
if (p.user_window.x < 0)
p.user_window.x = 0;
if (p.user_window.y < 0)
p.user_window.y = 0;
if (p.user_window.x + var->xres > lcd->width)
win->x = lcd->width - var->xres;
else
win->x = p.user_window.x;
if (p.user_window.y + var->yres > lcd->height)
win->y = lcd->height - var->yres;
else
win->y = p.user_window.y;
s3cfb_set_window_position(ctrl, win->id);
}
break;
case S3CFB_WIN_SET_PLANE_ALPHA:
if (copy_from_user(&p.user_alpha,
(struct s3cfb_user_plane_alpha __user *) arg,
sizeof(p.user_alpha)))
ret = -EFAULT;
else {
win->alpha.mode = PLANE_BLENDING;
win->alpha.channel = p.user_alpha.channel;
win->alpha.value =
S3CFB_AVALUE(p.user_alpha.red,
p.user_alpha.green,
p.user_alpha.blue);
s3cfb_set_alpha_blending(ctrl, win->id);
}
break;
case S3CFB_WIN_SET_CHROMA:
if (copy_from_user(&p.user_chroma,
(struct s3cfb_user_chroma __user *) arg,
sizeof(p.user_chroma)))
ret = -EFAULT;
else {
win->chroma.enabled = p.user_chroma.enabled;
win->chroma.key = S3CFB_CHROMA(p.user_chroma.red,
p.user_chroma.green,
p.user_chroma.blue);
s3cfb_set_chroma_key(ctrl, win->id);
}
break;
case S3CFB_SET_VSYNC_INT:
if (get_user(p.vsync, (int __user *) arg))
ret = -EFAULT;
else {
if (p.vsync)
s3cfb_set_global_interrupt(ctrl, 1);
s3cfb_set_vsync_interrupt(ctrl, p.vsync);
}
break;
}
return ret;
}
