int s3cfb_open_fifo(int id, int ch, int (*do_priv) (void *), void *param)
{
struct s3cfb_global *fbdev = get_fimd_global(id);
struct s3cfb_window *win = fbdev->fb[id]->par;
dev_dbg(fbdev->dev, "[fb%d] open fifo\n", win->id);
if (win->path == DATA_PATH_DMA) {
dev_err(fbdev->dev, "WIN%d is busy.\n", id);
return -EFAULT;
}
win->local_channel = ch;
if (do_priv) {
if (do_priv(param)) {
dev_err(fbdev->dev, "failed to run for "
"private fifo open\n");
s3cfb_enable_window(fbdev, id);
return -EFAULT;
}
}
s3cfb_set_window_control(fbdev, id);
s3cfb_enable_window(fbdev, id);
s3cfb_enable_localpath(fbdev, id);
return 0;
}
static int lcdfreq_lock(struct device *dev)
{
struct fb_info *fb = dev_get_drvdata(dev);
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(win->id);
struct lcdfreq_info *lcdfreq = fbdev->data;
int ret;
if (!atomic_read(&lcdfreq->usage))
ret = set_lcdfreq_div(dev, LEVEL_LIMIT);
else {
dev_err(dev, "lcd freq is already limit state\n");
return -EINVAL;
}
if (!ret) {
mutex_lock(&lcdfreq->lock);
atomic_inc(&lcdfreq->usage);
mutex_unlock(&lcdfreq->lock);
schedule_delayed_work(&lcdfreq->work, 0);
}
return ret;
}
static int lcdfreq_lock_free(struct device *dev)
{
struct fb_info *fb = dev_get_drvdata(dev);
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(win->id);
struct lcdfreq_info *lcdfreq = fbdev->data;
int ret;
if (atomic_read(&lcdfreq->usage))
ret = set_lcdfreq_div(dev, LEVEL_NORMAL);
else {
dev_err(dev, "lcd freq is already normal state\n");
return -EINVAL;
}
if (!ret) {
mutex_lock(&lcdfreq->lock);
atomic_dec(&lcdfreq->usage);
mutex_unlock(&lcdfreq->lock);
cancel_delayed_work(&lcdfreq->work);
}
return ret;
}
int s3cfb_open(struct fb_info *fb, int user)
{
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(fb->node);
struct s3c_platform_fb *pdata = to_fb_plat(fbdev->dev);
int ret = 0;
mutex_lock(&fbdev->lock);
if (atomic_read(&win->in_use)) {
if (win->id == pdata->default_win) {
dev_dbg(fbdev->dev,
"mutiple open for default window\n");
ret = 0;
} else {
dev_dbg(fbdev->dev,
"do not allow multiple open for non-default window\n");
ret = -EBUSY;
}
} else {
atomic_inc(&win->in_use);
}
mutex_unlock(&fbdev->lock);
return ret;
}
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 ssize_t freq_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct fb_info *fb = dev_get_drvdata(dev);
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(win->id);
struct s3cfb_lcd *lcd = fbdev->lcd;
struct s3cfb_lcd_timing *timing = &lcd->timing;
struct fb_var_screeninfo *var = &fb->var;
lcd->freq_limit = 0;
sscanf(buf, "%d %d %d %d", &lcd->freq,
&timing->h_fp, &timing->h_bp, &timing->h_sw);
var->hsync_len = timing->h_sw;
var->left_margin = timing->h_bp;
var->right_margin = timing->h_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);
s5p_dsim_set_lcd_freq_change(timing);
return count;
}
int s3cfb_check_var(struct fb_var_screeninfo *var, struct fb_info *fb)
{
struct s3cfb_global *fbdev = get_fimd_global(fb->node);
s3cfb_check_var_window(fbdev, var, fb);
return 0;
}
int s3cfb_set_par(struct fb_info *fb)
{
struct s3cfb_global *fbdev = get_fimd_global(fb->node);
s3cfb_set_par_window(fbdev, fb);
return 0;
}
int s3cfb_set_par(struct fb_info *fb)
{
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(win->id);
s3cfb_set_par_window(fbdev, fb);
return 0;
}
int s3cfb_check_var(struct fb_var_screeninfo *var, struct fb_info *fb)
{
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(win->id);
s3cfb_check_var_window(fbdev, var, fb);
return 0;
}
static ssize_t usage_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct fb_info *fb = dev_get_drvdata(dev);
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(win->id);
struct lcdfreq_info *lcdfreq = fbdev->data;
return sprintf(buf, "%d\n", atomic_read(&lcdfreq->usage));
}
static ssize_t freq_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct fb_info *fb = dev_get_drvdata(dev);
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(win->id);
struct s3cfb_lcd *lcd = fbdev->lcd;
return sprintf(buf, "%dhz, hfp=%d, hbp=%d, hsw=%d, div=%d\n", lcd->freq,
lcd->timing.h_fp, lcd->timing.h_bp, lcd->timing.h_sw, get_div(fbdev)+1);
}
int fb_is_primary_device(struct fb_info *fb)
{
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(fb->node);
struct s3c_platform_fb *pdata = to_fb_plat(fbdev->dev);
dev_dbg(fbdev->dev, "[fb%d] checking for primary device\n", win->id);
if (win->id == pdata->default_win)
return 1;
else
return 0;
}
int s3cfb_release(struct fb_info *fb, int user)
{
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(fb->node);
s3cfb_release_window(fb);
mutex_lock(&fbdev->lock);
atomic_dec(&win->in_use);
mutex_unlock(&fbdev->lock);
return 0;
}
static ssize_t time_in_state_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct fb_info *fb = dev_get_drvdata(dev);
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(win->id);
struct lcdfreq_info *lcdfreq = fbdev->data;
do_time_slice(lcdfreq->level);
return sprintf(buf, "%llu %d (60Hz)\n%llu %d (40Hz)\n",
(unsigned long long)time_in_state[LEVEL_NORMAL], LEVEL_NORMAL,
(unsigned long long)time_in_state[LEVEL_LIMIT], LEVEL_LIMIT);
}
static ssize_t level_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct fb_info *fb = dev_get_drvdata(dev);
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(win->id);
struct lcdfreq_info *lcdfreq = fbdev->data;
if (unlikely(fbdev->system_state == POWER_OFF || !lcdfreq->enable)) {
dev_err(dev, "%s reject. %d, %d\n", __func__, fbdev->system_state, lcdfreq->enable);
return -EINVAL;
}
return sprintf(buf, "%dhz, div=%d\n", lcdfreq->table[lcdfreq->level].hz, get_div(fbdev));
}
int s3cfb_set_par(struct fb_info *fb)
{
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(win->id);
int ret = 0;
#ifdef CONFIG_EXYNOS_DEV_PD
struct platform_device *pdev = to_platform_device(fbdev->dev);
pm_runtime_get_sync(&pdev->dev);
#endif
ret = s3cfb_set_par_window(fbdev, fb);
#ifdef CONFIG_EXYNOS_DEV_PD
pm_runtime_put(&pdev->dev);
#endif
return ret;
}
int s3cfb_release_window(struct fb_info *fb)
{
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(fb->node);
struct s3c_platform_fb *pdata = to_fb_plat(fbdev->dev);
if (win->id != pdata->default_win) {
s3cfb_disable_window(fbdev, win->id);
s3cfb_unmap_video_memory(fbdev, fb);
s3cfb_set_buffer_address(fbdev, win->id);
}
win->x = 0;
win->y = 0;
return 0;
}
int s3cfb_set_par(struct fb_info *fb)
{
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(win->id);
int ret = 0;
#ifdef CONFIG_EXYNOS_DEV_PD
if (unlikely(fbdev->system_state == POWER_OFF)) {
dev_err(fbdev->dev, "%s::system_state is POWER_OFF, fb%d\n", __func__, win->id);
return 0;
}
#endif
ret = s3cfb_set_par_window(fbdev, fb);
return ret;
}
int s3cfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *fb)
{
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(fb->node);
if (var->yoffset + var->yres > var->yres_virtual) {
dev_err(fbdev->dev, "invalid yoffset value\n");
return -EINVAL;
}
fb->var.yoffset = var->yoffset;
dev_dbg(fbdev->dev, "[fb%d] yoffset for pan display: %d\n", win->id,
var->yoffset);
s3cfb_set_buffer_address(fbdev, win->id);
return 0;
}
static int set_lcdfreq_div(struct device *dev, enum lcdfreq_level_idx level)
{
struct fb_info *fb = dev_get_drvdata(dev);
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(win->id);
struct lcdfreq_info *lcdfreq = fbdev->data;
u32 div, ret;
mutex_lock(&lcdfreq->lock);
if (unlikely(fbdev->system_state == POWER_OFF || !lcdfreq->enable)) {
dev_err(dev, "%s reject. %d, %d\n", __func__, fbdev->system_state, lcdfreq->enable);
ret = -EINVAL;
goto exit;
}
div = lcdfreq->table[level].cmu_clkdiv;
ret = set_div(fbdev, div);
if (ret) {
dev_err(dev, "fail to change lcd freq\n");
goto exit;
}
#ifdef CONFIG_LCD_FREQ_SWITCH_ACCOUNTING
do_time_slice(lcdfreq->level);
#endif
lcdfreq->level = level;
exit:
mutex_unlock(&lcdfreq->lock);
return ret;
}
int s3cfb_ioctl(struct fb_info *fb, unsigned int cmd, unsigned long arg)
{
struct fb_var_screeninfo *var = &fb->var;
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(fb->node);
struct s3cfb_lcd *lcd = fbdev->lcd;
int ret = 0;
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(fbdev);
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(fbdev, 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(fbdev, 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(fbdev, 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(fbdev, 1);
s3cfb_set_vsync_interrupt(fbdev, p.vsync);
}
break;
#if MALI_USE_UNIFIED_MEMORY_PROVIDER
case S3CFB_GET_FB_UMP_SECURE_ID_0:
{
u32 __user *psecureid = (u32 __user *) arg;
ump_secure_id secure_id;
dev_info(fbdev->dev, "ump_dd_secure_id_get\n");
secure_id = ump_dd_secure_id_get(ump_wrapped_buffer);
dev_info(fbdev->dev,
"Saving secure id 0x%x in userptr %p\n"
, (unsigned int)secure_id, psecureid);
dev_dbg(fbdev->dev,
"Saving secure id 0x%x in userptr %p\n"
, (unsigned int)secure_id, psecureid);
return put_user((unsigned int)secure_id, psecureid);
}
break;
#endif
}
return ret;
}
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;
}
int get_divider(struct fb_info *fb)
{
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(win->id);
struct lcdfreq_info *lcdfreq = fbdev->data;
struct clksrc_clk *sclk;
struct clk *clk;
u32 rate, reg, i;
u8 fimd_div;
sclk = container_of(fbdev->clock, struct clksrc_clk, clk);
clk = clk_get_parent(clk_get_parent(fbdev->clock));
rate = clk_get_rate(clk);
lcdfreq->table[LEVEL_NORMAL].cmu_clkdiv =
DIV_ROUND_CLOSEST(rate, lcdfreq->table[LEVEL_NORMAL].vclk);
lcdfreq->table[LEVEL_LIMIT].cmu_clkdiv =
DIV_ROUND_CLOSEST(rate, lcdfreq->table[LEVEL_LIMIT].vclk);
fimd_div = gcd(lcdfreq->table[LEVEL_NORMAL].cmu_clkdiv, lcdfreq->table[LEVEL_LIMIT].cmu_clkdiv);
if ((!fimd_div) || (fimd_div > 16)) {
dev_info(fb->dev, "%s skip, %d\n", __func__, __LINE__);
goto err;
}
lcdfreq->table[LEVEL_NORMAL].cmu_clkdiv /= fimd_div;
lcdfreq->table[LEVEL_LIMIT].cmu_clkdiv /= fimd_div;
dev_info(fb->dev, "%s rate is %d, fimd divider=%d\n", clk->name, rate, fimd_div);
fimd_div--;
for (i = 0; i < LCDFREQ_LEVEL_END; i++) {
if (lcdfreq->table[i].cmu_clkdiv > 16) {
dev_info(fb->dev, "%s skip, %d\n", __func__, __LINE__);
goto err;
}
dev_info(fb->dev, "%dhz div is %d\n",
lcdfreq->table[i].hz, lcdfreq->table[i].cmu_clkdiv);
lcdfreq->table[i].cmu_clkdiv--;
}
reg = (readl(fbdev->regs + S3C_VIDCON0) & (S3C_VIDCON0_CLKVAL_F(0xff))) >> 6;
if (fimd_div != reg) {
dev_info(fb->dev, "%s skip, %d\n", __func__, __LINE__);
goto err;
}
reg = (readl(sclk->reg_div.reg)) >> sclk->reg_div.shift;
reg &= 0xf;
if (lcdfreq->table[LEVEL_NORMAL].cmu_clkdiv != reg) {
dev_info(fb->dev, "%s skip, %d\n", __func__, __LINE__);
goto err;
}
return 0;
err:
return -EINVAL;
}
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;
}
