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;
}
/* new function to open fifo */
int s3cfb_open_fifo(int id, int ch, int (*do_priv)(void *), void *param)
{
struct s3cfb_window *win = ctrl->fb[id]->par;
dev_dbg(ctrl->dev, "[fb%d] open fifo\n", win->id);
win->path = DATA_PATH_FIFO;
win->local_channel = ch;
s3cfb_set_vsync_interrupt(ctrl, 1);
s3cfb_wait_for_vsync();
s3cfb_set_vsync_interrupt(ctrl, 0);
if (do_priv) {
if (do_priv(param)) {
dev_err(ctrl->dev, "failed to run for private fifo open\n");
s3cfb_enable_window(id);
return -EFAULT;
}
}
s3cfb_set_window_control(ctrl, id);
s3cfb_enable_window(id);
return 0;
}
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_local(int id, int in_yuv, int ch)
{
struct s3cfb_window *win = ctrl->fb[id]->par;
win->path = DATA_PATH_FIFO;
win->local_channel = ch;
s3cfb_set_vsync_interrupt(ctrl, 1);
s3cfb_wait_for_vsync();
s3cfb_set_vsync_interrupt(ctrl, 0);
s3cfb_set_window_control(ctrl, id);
s3cfb_enable_window(id);
}
int s3cfb_resume(struct platform_device *pdev)
{
struct s3c_platform_fb *pdata = to_fb_plat(&pdev->dev);
struct fb_info *fb;
struct s3cfb_window *win;
int i;
dev_dbg(ctrl->dev, "wake up from suspend\n");
if (pdata->cfg_gpio)
pdata->cfg_gpio(pdev);
if (pdata->backlight_on)
pdata->backlight_on(pdev);
if (pdata->lcd_on)
pdata->lcd_on(pdev);
if (ctrl->lcd->init_ldi)
ctrl->lcd->init_ldi();
clk_enable(ctrl->clock);
s3cfb_init_global();
s3cfb_set_clock(ctrl);
s3cfb_display_on(ctrl);
for (i = 0; i < pdata->nr_wins; i++) {
fb = ctrl->fb[i];
win = fb->par;
if (win->path == DATA_PATH_FIFO && win->resume_fifo) {
if (win->resume_fifo())
dev_info(ctrl->dev, "failed to run the resume for fifo\n");
} else {
if (win->enabled) {
s3cfb_check_var(&fb->var, fb);
s3cfb_set_par(fb);
s3cfb_enable_window(win->id);
}
}
}
return 0;
}
int s3cfb_resume(struct platform_device *pdev)
{
struct s3c_platform_fb *pdata = to_fb_plat(&pdev->dev);
struct fb_info *fb;
struct s3cfb_window *win;
int i;
dev_dbg(fbdev->dev, "wake up from suspend\n");
if (pdata->cfg_gpio)
pdata->cfg_gpio(pdev);
#if defined(CONFIG_FB_S3C_TL2796)
if (pdata->backlight_on)
pdata->backlight_on(pdev);
#elif defined (CONFIG_FB_S3C_LTE480WV) || defined(CONFIG_FB_S3C_UT10GM) || defined(CONFIG_FB_S3C_UT7GM) || defined(CONFIG_FB_URBETTER_SERIAL) || defined(CONFIG_FB_S3C_UTAUO104)
if (pdata->backlight_on)
pdata->backlight_on(pdev);
#endif
if (pdata->lcd_on)
pdata->lcd_on(pdev);
if (fbdev->lcd->init_ldi)
fbdev->lcd->init_ldi();
if (pdata->backlight_off)
pdata->backlight_off(pdev);
if (pdata->lcd_off)
pdata->lcd_off(pdev);
if (fbdev->lcd->deinit_ldi)
fbdev->lcd->deinit_ldi();
if (atomic_read(&fbdev->enabled_win) > 0) {
pdata->clk_on(pdev, &fbdev->clock);
s3cfb_init_global();
s3cfb_set_clock(fbdev);
for (i = 0; i < pdata->nr_wins; i++) {
fb = fbdev->fb[i];
win = fb->par;
if (win->owner == DMA_MEM_FIMD) {
s3cfb_set_win_params(win->id);
if (win->enabled) {
if (win->power_state == FB_BLANK_NORMAL)
s3cfb_win_map_on(fbdev, win->id, 0x0);
s3cfb_enable_window(win->id);
}
}
}
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();
}
return 0;
}
void s3cfb_late_resume(struct early_suspend *h)
{
struct s3cfb_global *info = container_of(h,struct s3cfb_global,early_suspend);
struct s3c_platform_fb *pdata = to_fb_plat(info->dev);
struct fb_info *fb;
struct s3cfb_window *win;
int i, j;
struct platform_device *pdev = to_platform_device(info->dev);
printk("s3cfb_late_resume is called\n");
//urbetter
if (pdata->backlight_off)
pdata->backlight_off(pdev);
#ifdef ENABLE_SMDKV210_REGULATOR //urbetter
/* ldo6 regulator on */
regulator_enable(lcd_regulator);
#endif
dev_dbg(info->dev, "wake up from suspend\n");
if (pdata->cfg_gpio)
pdata->cfg_gpio(pdev);
#if defined(CONFIG_FB_S3C_DUMMYLCD)
max8698_ldo_enable_direct(MAX8698_LDO4);
#endif
#if defined (CONFIG_FB_S3C_LTE480WV) || defined(CONFIG_FB_S3C_UT10GM) || defined(CONFIG_FB_S3C_UT7GM) || defined(CONFIG_FB_URBETTER_SERIAL) || defined(CONFIG_FB_S3C_UTAUO104)
if (info->lcd->init_ldi)
fbdev->lcd->init_ldi();
else
printk("no init_ldi\n");
#endif
if (pdata->clk_on)
pdata->clk_on(pdev, &fbdev->clock);
s3cfb_init_global();
s3cfb_set_clock(info);
s3cfb_display_on(info);
for (i = pdata->default_win; i < pdata->nr_wins + pdata->default_win; i++) {
j = i % pdata->nr_wins;
fb = info->fb[j];
win = fb->par;
if ((win->path == DATA_PATH_DMA) && (win->enabled)) {
s3cfb_set_par(fb);
s3cfb_enable_window(win->id);
}
}
#if 1
// enable VSYNC
s3cfb_set_vsync_interrupt(fbdev, 1);
s3cfb_set_global_interrupt(fbdev, 1);
#endif
/* Reset the LDI chip */
if (pdata->lcd_on)
pdata->lcd_on(pdev);
#if defined(CONFIG_FB_S3C_TL2796)
tl2796_ldi_init();
tl2796_ldi_enable();
#elif defined (CONFIG_FB_S3C_LTE480WV) || defined(CONFIG_FB_S3C_UT10GM) || defined(CONFIG_FB_S3C_UT7GM) || defined(CONFIG_FB_URBETTER_SERIAL) || defined(CONFIG_FB_S3C_UTAUO104)
if (info->lcd->init_ldi)
fbdev->lcd->init_ldi();
else
printk("no init_ldi\n");
#endif
if (pdata->backlight_on)
pdata->backlight_on(pdev);
return ;
}
static int s3cfb_probe(struct platform_device *pdev)
{
struct s3c_platform_fb *pdata;
struct resource *res;
int ret = 0;
#ifdef ENABLE_SMDKV210_REGULATOR //urbetter
/* ldo6 regulator on */
printk("\t %s \n", __func__);
lcd_regulator = regulator_get(NULL, "vddlcd");
if (IS_ERR(lcd_regulator)) {
printk(KERN_ERR "failed to get resource %s\n", "vddlcd");
return PTR_ERR(lcd_regulator);
}
regulator_enable(lcd_regulator);
#endif
/* initialzing global structure */
fbdev = kzalloc(sizeof(struct s3cfb_global), GFP_KERNEL);
if (!fbdev) {
dev_err(fbdev->dev, "failed to allocate for "
"global fb structure\n");
goto err_global;
}
fbdev->dev = &pdev->dev;
s3cfb_set_lcd_info(fbdev);
/* gpio */
pdata = to_fb_plat(&pdev->dev);
if (pdata->cfg_gpio)
pdata->cfg_gpio(pdev);
if (pdata->clk_on)
pdata->clk_on(pdev, &fbdev->clock);
/* io memory */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(fbdev->dev, "failed to get io memory region\n");
ret = -EINVAL;
goto err_io;
}
/* request mem region */
res = request_mem_region(res->start,
res->end - res->start + 1, pdev->name);
if (!res) {
dev_err(fbdev->dev, "failed to request io memory region\n");
ret = -EINVAL;
goto err_io;
}
/* ioremap for register block */
fbdev->regs = ioremap(res->start, res->end - res->start + 1);
if (!fbdev->regs) {
dev_err(fbdev->dev, "failed to remap io region\n");
ret = -EINVAL;
goto err_io;
}
/* irq */
fbdev->irq = platform_get_irq(pdev, 0);
if (request_irq(fbdev->irq, s3cfb_irq_frame, IRQF_SHARED,
pdev->name, fbdev)) {
dev_err(fbdev->dev, "request_irq failed\n");
ret = -EINVAL;
goto err_irq;
}
#if 1
// added by jamie (2009.08.18)
// enable VSYNC
s3cfb_set_vsync_interrupt(fbdev, 1);
s3cfb_set_global_interrupt(fbdev, 1);
#endif
#ifdef CONFIG_FB_S3C_TRACE_UNDERRUN
if (request_irq(platform_get_irq(pdev, 1), s3cfb_irq_fifo,
IRQF_DISABLED, pdev->name, fbdev)) {
dev_err(fbdev->dev, "request_irq failed\n");
ret = -EINVAL;
goto err_irq;
}
s3cfb_set_fifo_interrupt(fbdev, 1);
dev_info(fbdev->dev, "fifo underrun trace\n");
#endif
/* init global */
s3cfb_init_global();
/* prepare memory */
if (s3cfb_alloc_framebuffer())
goto err_alloc;
if (s3cfb_register_framebuffer())
goto err_alloc;
s3cfb_set_clock(fbdev);
s3cfb_enable_window(pdata->default_win);
s3cfb_update_power_state(pdata->default_win, FB_BLANK_UNBLANK);
s3cfb_display_on(fbdev);
#ifdef CONFIG_FB_S3C_LCD_INIT
/* panel control */
#if defined(CONFIG_FB_S3C_TL2796)
if (pdata->backlight_on)
pdata->backlight_on(pdev);
#elif defined(CONFIG_FB_S3C_LTE480WV) || defined(CONFIG_FB_S3C_UT10GM) || defined(CONFIG_FB_S3C_UT7GM) || defined(CONFIG_FB_URBETTER_SERIAL) || defined(CONFIG_FB_S3C_UTAUO104)
if (pdata->backlight_on)
pdata->backlight_on(pdev);
#endif
if (pdata->lcd_on)
pdata->lcd_on(pdev);
//urbetter+ for backlight.
//FIXME: not here.
if (fbdev->lcd->init_ldi)
fbdev->lcd->init_ldi();
#endif
#ifdef CONFIG_HAS_WAKELOCK
#ifdef CONFIG_HAS_EARLYSUSPEND
fbdev->early_suspend.suspend = s3cfb_early_suspend;
fbdev->early_suspend.resume = s3cfb_late_resume;
fbdev->early_suspend.level = EARLY_SUSPEND_LEVEL_DISABLE_FB;
//if, is in USER_SLEEP status and no active auto expiring wake lock
//if (has_wake_lock(WAKE_LOCK_SUSPEND) == 0 && get_suspend_state() == PM_SUSPEND_ON)
register_early_suspend(&fbdev->early_suspend);
#endif
#endif
ret = device_create_file(&(pdev->dev), &dev_attr_win_power);
if (ret < 0)
dev_err(fbdev->dev, "failed to add sysfs entries\n");
dev_info(fbdev->dev, "registered successfully\n");
return 0;
err_alloc:
free_irq(fbdev->irq, fbdev);
err_irq:
iounmap(fbdev->regs);
err_io:
if (pdata->clk_off)
pdata->clk_off(pdev, &fbdev->clock);
err_global:
return ret;
}
static int s3cfb_probe(struct platform_device *pdev)
{
struct s3c_platform_fb *pdata = NULL;
struct resource *res = NULL;
struct s3cfb_global *fbdev[2];
int ret = 0;
int i = 0;
u32 reg;
#ifdef CONFIG_EXYNOS_DEV_PD
/* to use the runtime PM helper functions */
pm_runtime_enable(&pdev->dev);
/* enable the power domain */
pm_runtime_get_sync(&pdev->dev);
#endif
fbfimd = kzalloc(sizeof(struct s3cfb_fimd_desc), GFP_KERNEL);
if (FIMD_MAX == 2)
fbfimd->dual = 1;
else
fbfimd->dual = 0;
for (i = 0; i < FIMD_MAX; i++) {
/* global structure */
fbfimd->fbdev[i] = kzalloc(sizeof(struct s3cfb_global), GFP_KERNEL);
fbdev[i] = fbfimd->fbdev[i];
if (!fbdev[i]) {
dev_err(fbdev[i]->dev, "failed to allocate for \
global fb structure fimd[%d]!\n", i);
ret = -ENOMEM;
goto err0;
}
fbdev[i]->dev = &pdev->dev;
#if defined(CONFIG_MACH_SMDK4X12) || defined(CONFIG_FB_S5P_AMS369FG06)
s3cfb_set_lcd_info(fbdev[i]);
#endif
/* platform_data*/
pdata = to_fb_plat(&pdev->dev);
if (pdata->lcd)
fbdev[i]->lcd = (struct s3cfb_lcd *)pdata->lcd;
if (pdata->cfg_gpio)
pdata->cfg_gpio(pdev);
if (pdata->clk_on)
pdata->clk_on(pdev, &fbdev[i]->clock);
/* io memory */
res = platform_get_resource(pdev, IORESOURCE_MEM, i);
if (!res) {
dev_err(fbdev[i]->dev,
"failed to get io memory region\n");
ret = -EINVAL;
goto err1;
}
res = request_mem_region(res->start,
res->end - res->start + 1, pdev->name);
if (!res) {
dev_err(fbdev[i]->dev,
"failed to request io memory region\n");
ret = -EINVAL;
goto err1;
}
fbdev[i]->regs = ioremap(res->start, res->end - res->start + 1);
fbdev[i]->regs_org = fbdev[i]->regs;
if (!fbdev[i]->regs) {
dev_err(fbdev[i]->dev, "failed to remap io region\n");
ret = -EINVAL;
goto err1;
}
/* irq */
fbdev[i]->irq = platform_get_irq(pdev, 0);
if (request_irq(fbdev[i]->irq, s3cfb_irq_frame, IRQF_SHARED,
pdev->name, fbdev[i])) {
dev_err(fbdev[i]->dev, "request_irq failed\n");
ret = -EINVAL;
goto err2;
}
#ifdef CONFIG_FB_S5P_TRACE_UNDERRUN
if (request_irq(platform_get_irq(pdev, 1), s3cfb_irq_fifo,
IRQF_DISABLED, pdev->name, fbdev[i])) {
dev_err(fbdev[i]->dev, "request_irq failed\n");
ret = -EINVAL;
goto err2;
}
s3cfb_set_fifo_interrupt(fbdev[i], 1);
dev_info(fbdev[i]->dev, "fifo underrun trace\n");
#endif
#ifdef CONFIG_FB_S5P_MDNIE
/* only FIMD0 is supported */
if (i == 0)
s3c_mdnie_setup();
#endif
/* hw setting */
s3cfb_init_global(fbdev[i]);
fbdev[i]->system_state = POWER_ON;
/* alloc fb_info */
if (s3cfb_alloc_framebuffer(fbdev[i], i)) {
dev_err(fbdev[i]->dev, "alloc error fimd[%d]\n", i);
ret = -ENOMEM;
goto err3;
}
/* register fb_info */
if (s3cfb_register_framebuffer(fbdev[i])) {
dev_err(fbdev[i]->dev, "register error fimd[%d]\n", i);
return -EINVAL;
goto err3;
}
/* enable display */
s3cfb_set_clock(fbdev[i]);
#ifdef CONFIG_FB_S5P_MDNIE
/* only FIMD0 is supported */
if (i == 0) {
reg = readl(S3C_VA_SYS + 0x0210);
reg &= ~(1<<13);
reg &= ~(1<<12);
reg &= ~(3<<10);
reg |= (1<<0);
reg &= ~(1<<1);
writel(reg, S3C_VA_SYS + 0x0210);
writel(3, fbdev[i]->regs + 0x27c);
s3c_mdnie_init_global(fbdev[i]);
s3c_mdnie_start(fbdev[i]);
}
#endif
s3cfb_enable_window(fbdev[0], pdata->default_win);
s3cfb_update_power_state(fbdev[i], pdata->default_win,
FB_BLANK_UNBLANK);
/* Set alpha value width to 8-bit */
s3cfb_set_alpha_value_width(fbdev[i], i);
#ifndef CONFIG_MACH_JENGA
s3cfb_display_on(fbdev[i]);
#endif
#if defined(CONFIG_CPU_EXYNOS4212) || defined(CONFIG_CPU_EXYNOS4412)
#ifdef CONFIG_BUSFREQ_OPP
/* To lock bus frequency in OPP mode */
fbdev[i]->bus_dev = dev_get("exynos-busfreq");
#endif
#endif
#ifdef CONFIG_HAS_WAKELOCK
#ifdef CONFIG_HAS_EARLYSUSPEND
fbdev[i]->early_suspend.suspend = s3cfb_early_suspend;
fbdev[i]->early_suspend.resume = s3cfb_late_resume;
fbdev[i]->early_suspend.level = EARLY_SUSPEND_LEVEL_DISABLE_FB;
register_early_suspend(&fbdev[i]->early_suspend);
#endif
#endif
ret = device_create_file(fbdev[i]->dev, &dev_attr_fimd_dump);
if (ret < 0)
dev_err(fbdev[0]->dev, "failed to add sysfs entries\n");
ret = device_create_file(fbdev[i]->dev, &dev_attr_ielcd_dump);
if (ret < 0)
dev_err(fbdev[0]->dev, "failed to add sysfs entries\n");
}
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;
}
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_probe(struct platform_device *pdev)
{
struct s3c_platform_fb *pdata;
struct resource *res;
int ret = 0;
/* initialzing global structure */
ctrl = kzalloc(sizeof(struct s3cfb_global), GFP_KERNEL);
if (!ctrl) {
dev_err(ctrl->dev, "failed to allocate for global fb structure\n");
goto err_global;
}
ctrl->dev = &pdev->dev;
s3cfb_set_lcd_info(ctrl);
/* gpio */
pdata = to_fb_plat(&pdev->dev);
if (pdata->cfg_gpio)
pdata->cfg_gpio(pdev);
/* clock */
ctrl->clock = clk_get(&pdev->dev, pdata->clk_name);
if (IS_ERR(ctrl->clock)) {
dev_err(ctrl->dev, "failed to get fimd clock source\n");
ret = -EINVAL;
goto err_clk;
}
clk_enable(ctrl->clock);
/* io memory */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(ctrl->dev, "failed to get io memory region\n");
ret = -EINVAL;
goto err_io;
}
/* request mem region */
res = request_mem_region(res->start,
res->end - res->start + 1, pdev->name);
if (!res) {
dev_err(ctrl->dev, "failed to request io memory region\n");
ret = -EINVAL;
goto err_io;
}
/* ioremap for register block */
ctrl->regs = ioremap(res->start, res->end - res->start + 1);
if (!ctrl->regs) {
dev_err(ctrl->dev, "failed to remap io region\n");
ret = -EINVAL;
goto err_io;
}
/* irq */
ctrl->irq = platform_get_irq(pdev, 0);
if (request_irq(ctrl->irq, s3cfb_irq_frame, IRQF_DISABLED,
pdev->name, ctrl)) {
dev_err(ctrl->dev, "request_irq failed\n");
ret = -EINVAL;
goto err_irq;
}
#ifdef CONFIG_FB_S3C_V2_TRACE_UNDERRUN
if (request_irq(platform_get_irq(pdev, 1), s3cfb_irq_fifo,
IRQF_DISABLED, pdev->name, ctrl)) {
dev_err(ctrl->dev, "request_irq failed\n");
ret = -EINVAL;
goto err_irq;
}
s3cfb_set_fifo_interrupt(ctrl, 1);
dev_info(ctrl->dev, "fifo underrun trace\n");
#endif
/* init global */
s3cfb_init_global();
s3cfb_display_on(ctrl);
/* panel control */
if (pdata->backlight_on)
pdata->backlight_on(pdev);
if (pdata->lcd_on)
pdata->lcd_on(pdev);
if (ctrl->lcd->init_ldi)
ctrl->lcd->init_ldi();
/* prepare memory */
if (s3cfb_alloc_framebuffer())
goto err_alloc;
if (s3cfb_register_framebuffer())
goto err_alloc;
s3cfb_set_clock(ctrl);
s3cfb_enable_window(pdata->default_win);
ret = device_create_file(&(pdev->dev), &dev_attr_win_power);
if (ret < 0)
dev_err(ctrl->dev, "failed to add sysfs entries\n");
dev_info(ctrl->dev, "registered successfully\n");
return 0;
err_alloc:
free_irq(ctrl->irq, ctrl);
err_irq:
iounmap(ctrl->regs);
err_io:
clk_disable(ctrl->clock);
err_clk:
clk_put(ctrl->clock);
err_global:
return ret;
}
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;
}
static int s3cfb_probe(struct platform_device *pdev)
{
struct s3c_platform_fb *pdata = NULL;
struct resource *res = NULL;
struct s3cfb_global *fbdev[2];
int ret = 0;
int i = 0;
#ifdef CONFIG_EXYNOS_DEV_PD
/* to use the runtime PM helper functions */
pm_runtime_enable(&pdev->dev);
/* enable the power domain */
pm_runtime_get_sync(&pdev->dev);
#endif
#ifndef CONFIG_TC4_EVT
lcd_regulator = regulator_get(NULL, "vdd33_lcd");
lcd_regulator_ldo13 = regulator_get(NULL, "vddioperi_18");
if (IS_ERR(lcd_regulator_ldo13)) {
printk("%s: failed to get %s\n", __func__, "vddioperi_18");
ret = -ENODEV;
goto err_regulator_ldo13;
}
if (IS_ERR(lcd_regulator)) {
printk("%s: failed to get %s\n", __func__, "vdd33_lcd");
ret = -ENODEV;
goto err_regulator;
}
regulator_enable(lcd_regulator_ldo13); //jacob
regulator_enable(lcd_regulator); //yulu
#endif
fbfimd = kzalloc(sizeof(struct s3cfb_fimd_desc), GFP_KERNEL);
if (FIMD_MAX == 2)
fbfimd->dual = 1;
else
fbfimd->dual = 0;
for (i = 0; i < FIMD_MAX; i++) {
/* global structure */
fbfimd->fbdev[i] = kzalloc(sizeof(struct s3cfb_global), GFP_KERNEL);
fbdev[i] = fbfimd->fbdev[i];
if (!fbdev[i]) {
dev_err(fbdev[i]->dev, "failed to allocate for \
global fb structure fimd[%d]!\n", i);
goto err0;
}
fbdev[i]->dev = &pdev->dev;
s3cfb_set_lcd_info(fbdev[i]);
/* platform_data*/
pdata = to_fb_plat(&pdev->dev);
if (pdata->cfg_gpio)
pdata->cfg_gpio(pdev);
if (pdata->clk_on)
pdata->clk_on(pdev, &fbdev[i]->clock);
/* io memory */
res = platform_get_resource(pdev, IORESOURCE_MEM, i);
if (!res) {
dev_err(fbdev[i]->dev,
"failed to get io memory region\n");
ret = -EINVAL;
goto err1;
}
res = request_mem_region(res->start,
res->end - res->start + 1, pdev->name);
if (!res) {
dev_err(fbdev[i]->dev,
"failed to request io memory region\n");
ret = -EINVAL;
goto err1;
}
fbdev[i]->regs = ioremap(res->start, res->end - res->start + 1);
if (!fbdev[i]->regs) {
dev_err(fbdev[i]->dev, "failed to remap io region\n");
ret = -EINVAL;
goto err1;
}
/* irq */
fbdev[i]->irq = platform_get_irq(pdev, 0);
if (request_irq(fbdev[i]->irq, s3cfb_irq_frame, IRQF_SHARED,
pdev->name, fbdev[i])) {
dev_err(fbdev[i]->dev, "request_irq failed\n");
ret = -EINVAL;
goto err2;
}
#ifdef CONFIG_FB_S5P_TRACE_UNDERRUN
if (request_irq(platform_get_irq(pdev, 1), s3cfb_irq_fifo,
IRQF_DISABLED, pdev->name, fbdev[i])) {
dev_err(fbdev[i]->dev, "request_irq failed\n");
ret = -EINVAL;
goto err2;
}
s3cfb_set_fifo_interrupt(fbdev[i], 1);
dev_info(fbdev[i]->dev, "fifo underrun trace\n");
#endif
/* hw setting */
s3cfb_init_global(fbdev[i]);
fbdev[i]->system_state = POWER_ON;
/* alloc fb_info */
if (s3cfb_alloc_framebuffer(fbdev[i], i)) {
dev_err(fbdev[i]->dev, "alloc error fimd[%d]\n", i);
goto err3;
}
/* register fb_info */
if (s3cfb_register_framebuffer(fbdev[i])) {
//Cellon add start, Jacob, 2013/01/09, for framebuffer memory leak issue
struct s3c_platform_fb *pdata_tmp = to_fb_plat(fbdev[i]->dev);
int j;
for (j = 0; j < pdata_tmp->nr_wins; j++) {
if (fbdev[i]->fb[j])
framebuffer_release(fbdev[i]->fb[j]);
}
kfree(fbdev[i]->fb);
//Cellon add end, Jacob, 2013/01/09
dev_err(fbdev[i]->dev, "register error fimd[%d]\n", i);
goto err3;
}
/* enable display */
s3cfb_set_clock(fbdev[i]);
s3cfb_enable_window(fbdev[0], pdata->default_win);
#ifdef CONFIG_FB_S5P_SOFTBUTTON_UI /* Add Menu UI */
s3cfb_enable_window(fbdev[0], 4);
#endif
s3cfb_update_power_state(fbdev[i], pdata->default_win,
FB_BLANK_UNBLANK);
s3cfb_display_on(fbdev[i]);
#ifdef CONFIG_HAS_WAKELOCK
#ifdef CONFIG_HAS_EARLYSUSPEND
fbdev[i]->early_suspend.suspend = s3cfb_early_suspend;
fbdev[i]->early_suspend.resume = s3cfb_late_resume;
fbdev[i]->early_suspend.level = EARLY_SUSPEND_LEVEL_DISABLE_FB;
register_early_suspend(&fbdev[i]->early_suspend);
#endif
#endif
}
