static int __devinit milkymistfb_probe(struct platform_device *pdev)
{
struct milkymistfb *milkymistfb;
struct fb_info *info;
int ret = -ENOMEM;
info = framebuffer_alloc(sizeof(*milkymistfb), &pdev->dev);
if (!info)
return -ENOMEM;
info->fbops = &milkymistfb_ops;
milkymistfb = info->par;
milkymistfb->fb = info;
fb_find_mode(&info->var, info, milkymistfb_mode_option,
milkymist_modedb, ARRAY_SIZE(milkymist_modedb), NULL, 16);
/* milkymistfb->vidmem = dma_alloc_coherent(&pdev->dev, videomemorysize,
&milkymistfb->vidmem_phys, GFP_KERNEL);*/
milkymistfb->vidmem = vmalloc(videomemorysize);
milkymistfb->vidmem_phys = (unsigned int)milkymistfb->vidmem;
if (!milkymistfb->vidmem) {
ret = -ENOMEM;
goto err_framebuffer_release;
}
memset(milkymistfb->vidmem, 0, videomemorysize);
info->screen_base = milkymistfb->vidmem;
info->fix = milkymistfb_fix;
info->pseudo_palette = milkymistfb->pseudo_palette;
info->flags = FBINFO_FLAG_DEFAULT;
info->fix.smem_start = milkymistfb->vidmem_phys;
info->fix.smem_len = videomemorysize;
ret = fb_alloc_cmap(&info->cmap, 256, 0);
if (ret < 0)
goto err_dma_free;
ret = register_framebuffer(info);
if (ret < 0)
goto err_dealloc_cmap;
platform_set_drvdata(pdev, milkymistfb);
dev_info(&pdev->dev,
"fb%d: Milkymist frame buffer at %p, size %ld k\n",
info->node, milkymistfb->vidmem, videomemorysize >> 10);
return 0;
err_dealloc_cmap:
fb_dealloc_cmap(&info->cmap);
err_dma_free:
/* dma_free_coherent(&pdev->dev, videomemorysize, milkymistfb->vidmem,
milkymistfb->vidmem_phys);*/
vfree(milkymistfb->vidmem);
err_framebuffer_release:
framebuffer_release(info);
return ret;
}
static int lcdif_init(struct mxc_dispdrv_handle *disp,
struct mxc_dispdrv_setting *setting)
{
int ret, i;
struct mxc_lcdif_data *lcdif = mxc_dispdrv_getdata(disp);
struct fsl_mxc_lcd_platform_data *plat_data
= lcdif->pdev->dev.platform_data;
struct fb_videomode *modedb = lcdif_modedb;
int modedb_sz = lcdif_modedb_sz;
/* use platform defined ipu/di */
setting->dev_id = plat_data->ipu_id;
setting->disp_id = plat_data->disp_id;
ret = fb_find_mode(&setting->fbi->var, setting->fbi, setting->dft_mode_str,
modedb, modedb_sz, NULL, setting->default_bpp);
if (!ret) {
fb_videomode_to_var(&setting->fbi->var, &modedb[0]);
setting->if_fmt = plat_data->default_ifmt;
}
INIT_LIST_HEAD(&setting->fbi->modelist);
for (i = 0; i < modedb_sz; i++) {
struct fb_videomode m;
fb_var_to_videomode(&m, &setting->fbi->var);
if (fb_mode_is_equal(&m, &modedb[i])) {
fb_add_videomode(&modedb[i],
&setting->fbi->modelist);
break;
}
}
return ret;
}
int __init mac_find_mode(struct fb_var_screeninfo *var, struct fb_info *info,
const char *mode_option, unsigned int default_bpp)
{
const struct fb_videomode *db = NULL;
unsigned int dbsize = 0;
if (mode_option && !strncmp(mode_option, "mac", 3)) {
db = mac_modedb;
dbsize = sizeof(mac_modedb)/sizeof(*mac_modedb);
}
return fb_find_mode(var, info, mode_option, db, dbsize,
&mac_modedb[DEFAULT_MODEDB_INDEX], default_bpp);
}
static int mipi_dsi_lcd_init(struct mipi_dsi_info *mipi_dsi,
struct mxc_dispdrv_setting *setting)
{
int i, size, err;
struct fb_videomode *mipi_lcd_modedb;
struct fb_videomode mode;
struct device *dev = &mipi_dsi->pdev->dev;
for (i = 0; i < ARRAY_SIZE(mipi_dsi_lcd_db); i++) {
if (!strcmp(mipi_dsi->lcd_panel,
mipi_dsi_lcd_db[i].lcd_panel)) {
mipi_dsi->lcd_callback =
&mipi_dsi_lcd_db[i].lcd_callback;
break;
}
}
if (i == ARRAY_SIZE(mipi_dsi_lcd_db)) {
dev_err(dev, "failed to find supported lcd panel.\n");
return -EINVAL;
}
mipi_dsi->lcd_callback->get_mipi_lcd_videomode(&mipi_lcd_modedb, &size,
&mipi_dsi->lcd_config);
err = fb_find_mode(&setting->fbi->var, setting->fbi,
setting->dft_mode_str,
mipi_lcd_modedb, size, NULL,
setting->default_bpp);
if (err != 1)
fb_videomode_to_var(&setting->fbi->var, mipi_lcd_modedb);
INIT_LIST_HEAD(&setting->fbi->modelist);
for (i = 0; i < size; i++) {
fb_var_to_videomode(&mode, &setting->fbi->var);
if (fb_mode_is_equal(&mode, mipi_lcd_modedb + i)) {
err = fb_add_videomode(mipi_lcd_modedb + i,
&setting->fbi->modelist);
mipi_dsi->mode = mipi_lcd_modedb + i;
break;
}
}
if ((err < 0) || (size == i)) {
dev_err(dev, "failed to add videomode.\n");
return err;
}
return 0;
}
/*!
* @brief Install framebuffer into the system.
*
* @param info framebuffer information pointer
* @param pdev pointer to struct device
* @return Negative errno on error, or zero on success.
*/
static int __init _install_fb(struct fb_info *info,
struct platform_device *pdev)
{
struct mx2fb_info *mx2fbi = (struct mx2fb_info *)info->par;
if (_init_fbinfo(info, pdev))
return -EINVAL;
if (fb_mode == 0)
fb_mode = pdev->dev.platform_data;
if (!fb_find_mode(&info->var, info, fb_mode, mxcfb_modedb,
mxcfb_modedb_sz, NULL, default_bpp)) {
fb_dealloc_cmap(&info->cmap);
return -EBUSY;
}
/* Default Y virtual size is 2x panel size */
/* info->var.yres_virtual = info->var.yres << 1; */
if (mx2fbi->type == MX2FB_TYPE_GW)
mx2fbi->blank = FB_BLANK_NORMAL;
else
mx2fbi->blank = FB_BLANK_UNBLANK;
if (mx2fb_set_par(info)) {
fb_dealloc_cmap(&info->cmap);
return -EINVAL;
}
if (register_framebuffer(info) < 0) {
_unmap_video_memory(info);
fb_dealloc_cmap(&info->cmap);
return -EINVAL;
}
mx2fbi->registered = 1;
dev_info(info->device, "fb%d: %s fb device registered successfully.\n",
info->node, info->fix.id);
return 0;
}
static int ldb_disp_init(struct mxc_dispdrv_handle *disp,
struct mxc_dispdrv_setting *setting)
{
int ret = 0, i;
struct ldb_data *ldb = mxc_dispdrv_getdata(disp);
struct fsl_mxc_ldb_platform_data *plat_data = ldb->pdev->dev.platform_data;
struct resource *res;
uint32_t base_addr;
uint32_t reg, setting_idx;
uint32_t ch_mask = 0, ch_val = 0;
uint32_t ipu_id, disp_id;
/* if input format not valid, make RGB666 as default*/
if (!valid_mode(setting->if_fmt)) {
dev_warn(&ldb->pdev->dev, "Input pixel format not valid"
" use default RGB666\n");
setting->if_fmt = IPU_PIX_FMT_RGB666;
}
if (!ldb->inited) {
char di_clk[] = "ipu1_di0_clk";
char ldb_clk[] = "ldb_di0_clk";
int lvds_channel = 0;
setting_idx = 0;
res = platform_get_resource(ldb->pdev, IORESOURCE_MEM, 0);
if (IS_ERR(res))
return -ENOMEM;
base_addr = res->start;
ldb->reg = ioremap(base_addr, res->end - res->start + 1);
ldb->control_reg = ldb->reg + 2;
ldb->gpr3_reg = ldb->reg + 3;
ldb->lvds_bg_reg = regulator_get(&ldb->pdev->dev, plat_data->lvds_bg_reg);
if (!IS_ERR(ldb->lvds_bg_reg)) {
regulator_set_voltage(ldb->lvds_bg_reg, 2500000, 2500000);
regulator_enable(ldb->lvds_bg_reg);
}
/* ipu selected by platform data setting */
setting->dev_id = plat_data->ipu_id;
reg = readl(ldb->control_reg);
/* refrence resistor select */
reg &= ~LDB_BGREF_RMODE_MASK;
if (plat_data->ext_ref)
reg |= LDB_BGREF_RMODE_EXT;
else
reg |= LDB_BGREF_RMODE_INT;
/* TODO: now only use SPWG data mapping for both channel */
reg &= ~(LDB_BIT_MAP_CH0_MASK | LDB_BIT_MAP_CH1_MASK);
reg |= LDB_BIT_MAP_CH0_SPWG | LDB_BIT_MAP_CH1_SPWG;
/* channel mode setting */
reg &= ~(LDB_CH0_MODE_MASK | LDB_CH1_MODE_MASK);
reg &= ~(LDB_DATA_WIDTH_CH0_MASK | LDB_DATA_WIDTH_CH1_MASK);
if (bits_per_pixel(setting->if_fmt) == 24)
reg |= LDB_DATA_WIDTH_CH0_24 | LDB_DATA_WIDTH_CH1_24;
else
reg |= LDB_DATA_WIDTH_CH0_18 | LDB_DATA_WIDTH_CH1_18;
if (g_ldb_mode)
ldb->mode = g_ldb_mode;
else
ldb->mode = plat_data->mode;
if ((ldb->mode == LDB_SIN0) || (ldb->mode == LDB_SIN1)) {
ret = ldb->mode - LDB_SIN0;
if (plat_data->disp_id != ret) {
dev_warn(&ldb->pdev->dev,
"change IPU DI%d to IPU DI%d for LDB "
"channel%d.\n",
plat_data->disp_id, ret, ret);
plat_data->disp_id = ret;
}
} else if (((ldb->mode == LDB_SEP0) || (ldb->mode == LDB_SEP1))
&& (cpu_is_mx6q() || cpu_is_mx6dl())) {
if (plat_data->disp_id == plat_data->sec_disp_id) {
dev_err(&ldb->pdev->dev,
"For LVDS separate mode,"
"two DIs should be different!\n");
return -EINVAL;
}
if (((!plat_data->disp_id) && (ldb->mode == LDB_SEP1))
|| ((plat_data->disp_id) &&
(ldb->mode == LDB_SEP0))) {
dev_dbg(&ldb->pdev->dev,
"LVDS separate mode:"
"swap DI configuration!\n");
ipu_id = plat_data->ipu_id;
disp_id = plat_data->disp_id;
plat_data->ipu_id = plat_data->sec_ipu_id;
plat_data->disp_id = plat_data->sec_disp_id;
plat_data->sec_ipu_id = ipu_id;
plat_data->sec_disp_id = disp_id;
}
}
if (ldb->mode == LDB_SPL_DI0) {
reg |= LDB_SPLIT_MODE_EN | LDB_CH0_MODE_EN_TO_DI0
| LDB_CH1_MODE_EN_TO_DI0;
setting->disp_id = 0;
} else if (ldb->mode == LDB_SPL_DI1) {
reg |= LDB_SPLIT_MODE_EN | LDB_CH0_MODE_EN_TO_DI1
| LDB_CH1_MODE_EN_TO_DI1;
setting->disp_id = 1;
} else if (ldb->mode == LDB_DUL_DI0) {
reg &= ~LDB_SPLIT_MODE_EN;
reg |= LDB_CH0_MODE_EN_TO_DI0 | LDB_CH1_MODE_EN_TO_DI0;
setting->disp_id = 0;
} else if (ldb->mode == LDB_DUL_DI1) {
reg &= ~LDB_SPLIT_MODE_EN;
reg |= LDB_CH0_MODE_EN_TO_DI1 | LDB_CH1_MODE_EN_TO_DI1;
setting->disp_id = 1;
} else if (ldb->mode == LDB_SIN0) {
reg &= ~LDB_SPLIT_MODE_EN;
setting->disp_id = plat_data->disp_id;
if (setting->disp_id == 0)
reg |= LDB_CH0_MODE_EN_TO_DI0;
else
reg |= LDB_CH0_MODE_EN_TO_DI1;
ch_mask = LDB_CH0_MODE_MASK;
ch_val = reg & LDB_CH0_MODE_MASK;
} else if (ldb->mode == LDB_SIN1) {
reg &= ~LDB_SPLIT_MODE_EN;
setting->disp_id = plat_data->disp_id;
if (setting->disp_id == 0)
reg |= LDB_CH1_MODE_EN_TO_DI0;
else
reg |= LDB_CH1_MODE_EN_TO_DI1;
ch_mask = LDB_CH1_MODE_MASK;
ch_val = reg & LDB_CH1_MODE_MASK;
} else { /* separate mode*/
setting->disp_id = plat_data->disp_id;
/* first output is LVDS0 or LVDS1 */
if (ldb->mode == LDB_SEP0)
lvds_channel = 0;
else
lvds_channel = 1;
reg &= ~LDB_SPLIT_MODE_EN;
if ((lvds_channel == 0) && (setting->disp_id == 0))
reg |= LDB_CH0_MODE_EN_TO_DI0;
else if ((lvds_channel == 0) && (setting->disp_id == 1))
reg |= LDB_CH0_MODE_EN_TO_DI1;
else if ((lvds_channel == 1) && (setting->disp_id == 0))
reg |= LDB_CH1_MODE_EN_TO_DI0;
else
reg |= LDB_CH1_MODE_EN_TO_DI1;
ch_mask = lvds_channel ? LDB_CH1_MODE_MASK :
LDB_CH0_MODE_MASK;
ch_val = reg & ch_mask;
if (bits_per_pixel(setting->if_fmt) == 24) {
if (lvds_channel == 0)
reg &= ~LDB_DATA_WIDTH_CH1_24;
else
reg &= ~LDB_DATA_WIDTH_CH0_24;
} else {
if (lvds_channel == 0)
reg &= ~LDB_DATA_WIDTH_CH1_18;
else
reg &= ~LDB_DATA_WIDTH_CH0_18;
}
}
writel(reg, ldb->control_reg);
if (ldb->mode < LDB_SIN0) {
ch_mask = LDB_CH0_MODE_MASK | LDB_CH1_MODE_MASK;
ch_val = reg & (LDB_CH0_MODE_MASK | LDB_CH1_MODE_MASK);
}
/* clock setting */
if ((cpu_is_mx6q() || cpu_is_mx6dl()) &&
((ldb->mode == LDB_SEP0) || (ldb->mode == LDB_SEP1)))
ldb_clk[6] += lvds_channel;
else
ldb_clk[6] += setting->disp_id;
ldb->setting[setting_idx].ldb_di_clk = clk_get(&ldb->pdev->dev,
ldb_clk);
if (IS_ERR(ldb->setting[setting_idx].ldb_di_clk)) {
dev_err(&ldb->pdev->dev, "get ldb clk0 failed\n");
iounmap(ldb->reg);
return PTR_ERR(ldb->setting[setting_idx].ldb_di_clk);
}
di_clk[3] += setting->dev_id;
di_clk[7] += setting->disp_id;
ldb->setting[setting_idx].di_clk = clk_get(&ldb->pdev->dev,
di_clk);
if (IS_ERR(ldb->setting[setting_idx].di_clk)) {
dev_err(&ldb->pdev->dev, "get di clk0 failed\n");
iounmap(ldb->reg);
return PTR_ERR(ldb->setting[setting_idx].di_clk);
}
dev_dbg(&ldb->pdev->dev, "ldb_clk to di clk: %s -> %s\n", ldb_clk, di_clk);
/* fb notifier for clk setting */
ldb->nb.notifier_call = ldb_fb_event,
ret = fb_register_client(&ldb->nb);
if (ret < 0) {
iounmap(ldb->reg);
return ret;
}
ldb->inited = true;
} else { /* second time for separate mode */
char di_clk[] = "ipu1_di0_clk";
char ldb_clk[] = "ldb_di0_clk";
int lvds_channel;
if ((ldb->mode == LDB_SPL_DI0) ||
(ldb->mode == LDB_SPL_DI1) ||
(ldb->mode == LDB_DUL_DI0) ||
(ldb->mode == LDB_DUL_DI1) ||
(ldb->mode == LDB_SIN0) ||
(ldb->mode == LDB_SIN1)) {
dev_err(&ldb->pdev->dev, "for second ldb disp"
"ldb mode should in separate mode\n");
return -EINVAL;
}
setting_idx = 1;
if (cpu_is_mx6q() || cpu_is_mx6dl()) {
setting->dev_id = plat_data->sec_ipu_id;
setting->disp_id = plat_data->sec_disp_id;
} else {
setting->dev_id = plat_data->ipu_id;
setting->disp_id = !plat_data->disp_id;
}
if (setting->disp_id == ldb->setting[0].di) {
dev_err(&ldb->pdev->dev, "Err: for second ldb disp in"
"separate mode, DI should be different!\n");
return -EINVAL;
}
/* second output is LVDS0 or LVDS1 */
if (ldb->mode == LDB_SEP0)
lvds_channel = 1;
else
lvds_channel = 0;
reg = readl(ldb->control_reg);
if ((lvds_channel == 0) && (setting->disp_id == 0))
reg |= LDB_CH0_MODE_EN_TO_DI0;
else if ((lvds_channel == 0) && (setting->disp_id == 1))
reg |= LDB_CH0_MODE_EN_TO_DI1;
else if ((lvds_channel == 1) && (setting->disp_id == 0))
reg |= LDB_CH1_MODE_EN_TO_DI0;
else
reg |= LDB_CH1_MODE_EN_TO_DI1;
ch_mask = lvds_channel ? LDB_CH1_MODE_MASK :
LDB_CH0_MODE_MASK;
ch_val = reg & ch_mask;
if (bits_per_pixel(setting->if_fmt) == 24) {
if (lvds_channel == 0)
reg |= LDB_DATA_WIDTH_CH0_24;
else
reg |= LDB_DATA_WIDTH_CH1_24;
} else {
if (lvds_channel == 0)
reg |= LDB_DATA_WIDTH_CH0_18;
else
reg |= LDB_DATA_WIDTH_CH1_18;
}
writel(reg, ldb->control_reg);
/* clock setting */
if (cpu_is_mx6q() || cpu_is_mx6dl())
ldb_clk[6] += lvds_channel;
else
ldb_clk[6] += setting->disp_id;
ldb->setting[setting_idx].ldb_di_clk = clk_get(&ldb->pdev->dev,
ldb_clk);
if (IS_ERR(ldb->setting[setting_idx].ldb_di_clk)) {
dev_err(&ldb->pdev->dev, "get ldb clk1 failed\n");
return PTR_ERR(ldb->setting[setting_idx].ldb_di_clk);
}
di_clk[3] += setting->dev_id;
di_clk[7] += setting->disp_id;
ldb->setting[setting_idx].di_clk = clk_get(&ldb->pdev->dev,
di_clk);
if (IS_ERR(ldb->setting[setting_idx].di_clk)) {
dev_err(&ldb->pdev->dev, "get di clk1 failed\n");
return PTR_ERR(ldb->setting[setting_idx].di_clk);
}
dev_dbg(&ldb->pdev->dev, "ldb_clk to di clk: %s -> %s\n", ldb_clk, di_clk);
}
ldb->setting[setting_idx].ch_mask = ch_mask;
ldb->setting[setting_idx].ch_val = ch_val;
if (cpu_is_mx6q() || cpu_is_mx6dl())
ldb_ipu_ldb_route(setting->dev_id, setting->disp_id, ldb);
/*
* ldb_di0_clk -> ipux_di0_clk
* ldb_di1_clk -> ipux_di1_clk
*/
clk_set_parent(ldb->setting[setting_idx].di_clk,
ldb->setting[setting_idx].ldb_di_clk);
/* must use spec video mode defined by driver */
ret = fb_find_mode(&setting->fbi->var, setting->fbi, setting->dft_mode_str,
ldb_modedb, ldb_modedb_sz, NULL, setting->default_bpp);
if (ret != 1)
fb_videomode_to_var(&setting->fbi->var, &ldb_modedb[0]);
INIT_LIST_HEAD(&setting->fbi->modelist);
for (i = 0; i < ldb_modedb_sz; i++) {
struct fb_videomode m;
fb_var_to_videomode(&m, &setting->fbi->var);
if (fb_mode_is_equal(&m, &ldb_modedb[i])) {
fb_add_videomode(&ldb_modedb[i],
&setting->fbi->modelist);
break;
}
}
/* save current ldb setting for fb notifier */
ldb->setting[setting_idx].active = true;
ldb->setting[setting_idx].ipu = setting->dev_id;
ldb->setting[setting_idx].di = setting->disp_id;
return ret;
}
static int __init vfb_probe(struct platform_device *dev)
{
struct fb_info *info;
int retval = -ENOMEM;
/* Reserve the framebuffer memory */
if (!request_mem_region(vfb_addr, vfb_size, "STM32F4 Framebuffer")) {
printk(KERN_ERR "vfb: unable to reserve "
"framebuffer at 0x%0x\n", (unsigned int)vfb_addr);
retval = -EBUSY;
goto fail_reqmem;
}
/* Allocate framebuffer info structure */
info = framebuffer_alloc(sizeof(struct fb_info), &dev->dev);
if (!info) {
printk(KERN_ERR "vfb: unable to reserve framebuffer info\n");
retval = -ENOMEM;
goto fail_fballoc;
}
/* For real video cards we use ioremap */
info->screen_base = ioremap(vfb_addr, vfb_size);
if (!info->screen_base) {
printk(KERN_ERR "vfb: unable to map framebuffer\n");
retval = -ENOMEM;
goto fail_remap;
}
/* Assign the frame buffer data */
info->screen_size = vfb_size;
info->fbops = &vfb_ops;
/*
* VFB must clear memory to prevent kernel info
* leakage into userspace
* VGA-based drivers MUST NOT clear memory if
* they want to be able to take over vgacon
*/
memset(info->screen_base, 0, info->screen_size);
retval = fb_find_mode(&info->var, info, NULL, NULL, 0, NULL, 8);
if ((!retval) || (retval == 4))
memcpy(&(info->var), &vfb_default,
sizeof(struct fb_var_screeninfo));
vfb_fix.smem_start = vfb_addr;
vfb_fix.smem_len = vfb_size;
memcpy(&(info->fix), &vfb_fix, sizeof(struct fb_fix_screeninfo));
/* Allocate pseudo palette data */
info->pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL);
if (!info->pseudo_palette) {
printk(KERN_ERR "vfb: unable to reserve palette memory\n");
retval = -ENOMEM;
goto fail_palette;
}
//info->pseudo_palette = info->par;
info->par = NULL;
info->flags = FBINFO_FLAG_DEFAULT;
/*
* We expect the boot loader to have initialized the chip
* with appropriate parameters from which we can determinte
* the flavor of lcd panel attached
*/
retval = init_vals(info);
if (retval < 0) {
printk(KERN_ERR "vfb: unable to reserve cmap memory\n");
goto fail_cmap;
}
/* Regiser the framebuffer */
retval = register_framebuffer(info);
if (retval < 0) {
printk(KERN_ERR "vfb: unable to register framebuffer\n");
goto fail_register;
}
/* Assign the driver data */
platform_set_drvdata(dev, info);
/* Everything is OK */
printk(KERN_INFO
"fb%d: Virtual frame buffer device, "
"using %ldK of video memory\n",
info->node, info->screen_size >> 10);
return 0;
/* There is an error! */
fail_register:
fb_dealloc_cmap(&info->cmap);
fail_cmap:
kfree(info->pseudo_palette);
fail_palette:
iounmap(info->screen_base);
fail_remap:
framebuffer_release(info);
fail_fballoc:
release_mem_region(vfb_addr, vfb_size);
fail_reqmem:
return retval;
}
static int mxc_elcdif_fb_probe(struct platform_device *pdev)
{
int ret = 0;
struct mxc_elcdif_fb_data *data;
struct resource *res;
struct fb_info *fbi;
struct mxc_fb_platform_data *pdata = pdev->dev.platform_data;
fbi = framebuffer_alloc(sizeof(struct mxc_elcdif_fb_data), &pdev->dev);
if (fbi == NULL) {
ret = -ENOMEM;
goto out;
}
data = (struct mxc_elcdif_fb_data *)fbi->par;
data->cur_blank = data->next_blank = FB_BLANK_UNBLANK;
fbi->var.activate = FB_ACTIVATE_NOW;
fbi->fbops = &mxc_elcdif_fb_ops;
fbi->flags = FBINFO_FLAG_DEFAULT;
fbi->pseudo_palette = data->pseudo_palette;
ret = fb_alloc_cmap(&fbi->cmap, 16, 0);
if (ret)
goto out;
g_elcdif_dev = &pdev->dev;
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (res == NULL) {
dev_err(&pdev->dev, "cannot get IRQ resource\n");
ret = -ENODEV;
goto err0;
}
data->dma_irq = res->start;
ret = request_irq(data->dma_irq, lcd_irq_handler, 0,
"mxc_elcdif_fb", data);
if (ret) {
dev_err(&pdev->dev, "request_irq (%d) failed with error %d\n",
data->dma_irq, ret);
goto err0;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
ret = -ENODEV;
goto err1;
}
elcdif_base = ioremap(res->start, SZ_4K);
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
if (res) {
fbi->fix.smem_len = res->end - res->start + 1;
fbi->fix.smem_start = res->start;
fbi->screen_base = ioremap(fbi->fix.smem_start,
fbi->fix.smem_len);
}
strcpy(fbi->fix.id, "mxc_elcdif_fb");
fbi->var.xres = 800;
fbi->var.yres = 480;
if (pdata && !data->output_pix_fmt)
data->output_pix_fmt = pdata->interface_pix_fmt;
if (pdata && pdata->mode && pdata->num_modes)
fb_videomode_to_modelist(pdata->mode, pdata->num_modes,
&fbi->modelist);
if (!fb_mode && pdata && pdata->mode_str)
fb_mode = pdata->mode_str;
if (fb_mode) {
ret = fb_find_mode(&fbi->var, fbi, fb_mode, NULL, 0, NULL,
default_bpp);
if ((!ret || (ret > 2)) && pdata && pdata->mode &&
pdata->num_modes)
fb_find_mode(&fbi->var, fbi, fb_mode, pdata->mode,
pdata->num_modes, NULL, default_bpp);
}
mxc_elcdif_fb_check_var(&fbi->var, fbi);
fbi->var.xres_virtual = fbi->var.xres;
fbi->var.yres_virtual = fbi->var.yres * 3;
mxc_elcdif_fb_set_fix(fbi);
if (!res || !res->end)
if (mxc_elcdif_fb_map_video_memory(fbi) < 0) {
ret = -ENOMEM;
goto err2;
}
g_elcdif_axi_clk = clk_get(g_elcdif_dev, "elcdif_axi");
if (g_elcdif_axi_clk == NULL) {
dev_err(&pdev->dev, "can't get ELCDIF axi clk\n");
ret = -ENODEV;
goto err3;
}
g_elcdif_pix_clk = clk_get(g_elcdif_dev, "elcdif_pix");
if (g_elcdif_pix_clk == NULL) {
dev_err(&pdev->dev, "can't get ELCDIF pix clk\n");
ret = -ENODEV;
goto err3;
}
/*
* Set an appropriate pixel clk rate first, so that we can
* access ELCDIF registers.
*/
clk_set_rate(g_elcdif_pix_clk, 25000000);
ret = register_framebuffer(fbi);
if (ret)
goto err3;
platform_set_drvdata(pdev, fbi);
return 0;
err3:
mxc_elcdif_fb_unmap_video_memory(fbi);
err2:
iounmap(elcdif_base);
err1:
free_irq(data->dma_irq, data);
err0:
fb_dealloc_cmap(&fbi->cmap);
framebuffer_release(fbi);
out:
return ret;
}
static int lcdif_init(struct mxc_dispdrv_handle *disp,
struct mxc_dispdrv_setting *setting)
{
int ret, i;
struct mxc_lcdif_data *lcdif = mxc_dispdrv_getdata(disp);
struct fsl_mxc_lcd_platform_data *plat_data
= lcdif->pdev->dev.platform_data;
struct fb_videomode *modedb = lcdif_modedb;
int modedb_sz = lcdif_modedb_sz;
struct fsl_video_timing *custom_timing;
/* use platform defined ipu/di */
setting->dev_id = plat_data->ipu_id;
setting->disp_id = plat_data->disp_id;
if (plat_data->lcd0_timing != NULL) {
custom_timing = plat_data->lcd0_timing;
lcdif_modedb[0].pixclock =
PICOS2KHZ(custom_timing->pixclock);
lcdif_modedb[0].xres =
custom_timing->hres;
lcdif_modedb[0].left_margin =
custom_timing->hfp;
lcdif_modedb[0].right_margin =
custom_timing->hbp;
lcdif_modedb[0].hsync_len =
custom_timing->hsw;
lcdif_modedb[0].yres =
custom_timing->vres;
lcdif_modedb[0].upper_margin =
custom_timing->vfp;
lcdif_modedb[0].lower_margin =
custom_timing->vbp;
lcdif_modedb[0].vsync_len =
custom_timing->vsw;
}
if (plat_data->lcd1_timing != NULL) {
custom_timing = plat_data->lcd1_timing;
lcdif_modedb[1].pixclock =
PICOS2KHZ(custom_timing->pixclock);
lcdif_modedb[1].xres =
custom_timing->hres;
lcdif_modedb[1].left_margin =
custom_timing->hfp;
lcdif_modedb[1].right_margin =
custom_timing->hbp;
lcdif_modedb[1].hsync_len =
custom_timing->hsw;
lcdif_modedb[1].yres =
custom_timing->vres;
lcdif_modedb[1].upper_margin =
custom_timing->vfp;
lcdif_modedb[1].lower_margin =
custom_timing->vbp;
lcdif_modedb[1].vsync_len =
custom_timing->vsw;
}
ret = fb_find_mode(&setting->fbi->var, setting->fbi, setting->dft_mode_str,
modedb, modedb_sz, NULL, setting->default_bpp);
if (!ret) {
fb_videomode_to_var(&setting->fbi->var, &modedb[0]);
setting->if_fmt = plat_data->default_ifmt;
}
INIT_LIST_HEAD(&setting->fbi->modelist);
for (i = 0; i < modedb_sz; i++) {
struct fb_videomode m;
fb_var_to_videomode(&m, &setting->fbi->var);
if (fb_mode_is_equal(&m, &modedb[i])) {
fb_add_videomode(&modedb[i],
&setting->fbi->modelist);
break;
}
}
return ret;
}
/*!
* @brief Ioctl function to support customized ioctl operations.
*
* @param info Framebuffer structure that represents a single frame buffer
* @param cmd The command number
* @param arg Argument which depends on cmd
*
* @return Negative errno on error, or zero on success.
*/
static int mx2fb_ioctl(struct fb_info *info, unsigned int cmd,
unsigned long arg)
{
struct mx2fb_info *mx2fbi = (struct mx2fb_info *)info->par;
struct mx2fb_gbl_alpha ga;
struct mx2fb_color_key ck;
switch (cmd) {
case MX2FB_SET_GBL_ALPHA:
if (mx2fbi->type != MX2FB_TYPE_GW)
return -ENODEV;
if (!arg)
return -EINVAL;
/* set graphic window information */
if (copy_from_user((void *)&ga, (void *)arg, sizeof(ga)))
return -EFAULT;
g_gwinfo.alpha_value = ga.alpha;
if (g_gwinfo.enabled)
_enable_graphic_window(info);
else
_disable_graphic_window(info);
break;
case MX2FB_SET_CLR_KEY:
if (mx2fbi->type != MX2FB_TYPE_GW)
return -ENODEV;
if (!arg)
return -EINVAL;
/* set graphic window information */
if (copy_from_user((void *)&ck, (void *)arg, sizeof(ck)))
return -EFAULT;
g_gwinfo.ck_enabled = ck.enable;
g_gwinfo.ck_red = (ck.color_key & 0x003F0000) >> 16;
g_gwinfo.ck_green = (ck.color_key & 0x00003F00) >> 8;
g_gwinfo.ck_blue = ck.color_key & 0x0000003F;
if (g_gwinfo.enabled)
_enable_graphic_window(info);
else
_disable_graphic_window(info);
break;
case FBIOGET_GWINFO:
if (mx2fbi->type != MX2FB_TYPE_GW)
return -ENODEV;
if (!arg)
return -EINVAL;
/* get graphic window information */
if (copy_to_user((void *)arg, (void *)&g_gwinfo,
sizeof(g_gwinfo)))
return -EFAULT;
break;
case FBIOPUT_GWINFO:
if (mx2fbi->type != MX2FB_TYPE_GW)
return -ENODEV;
if (!arg)
return -EINVAL;
/* set graphic window information */
if (copy_from_user((void *)&g_gwinfo, (void *)arg,
sizeof(g_gwinfo)))
return -EFAULT;
if (g_gwinfo.enabled)
_enable_graphic_window(info);
else
_disable_graphic_window(info);
break;
#ifdef CONFIG_FB_MXC_TVOUT
case ENCODER_GET_CAPABILITIES:{
int ret;
struct video_encoder_capability cap;
if (mx2fbi->type != MX2FB_TYPE_BG)
return -ENODEV;
ret = fs453_ioctl(cmd, &cap);
if (ret)
return ret;
if (copy_to_user((void *)arg, &cap, sizeof(cap)))
return -EFAULT;
break;
}
case ENCODER_SET_NORM:{
int ret;
unsigned long mode;
char *smode;
struct fb_var_screeninfo var;
if (mx2fbi->type != MX2FB_TYPE_BG)
return -ENODEV;
if (copy_from_user(&mode, (void *)arg, sizeof(mode)))
return -EFAULT;
if ((ret = fs453_ioctl(cmd, &mode)))
return ret;
if (mode == VIDEO_ENCODER_PAL)
smode = MODE_PAL;
else if (mode == VIDEO_ENCODER_NTSC)
smode = MODE_NTSC;
else
smode = MODE_VGA;
var = info->var;
var.nonstd = 0;
ret = fb_find_mode(&var, info, smode, mxcfb_modedb,
mxcfb_modedb_sz, NULL, default_bpp);
if ((ret != 1) && (ret != 2)) /* specified mode not found */
return -ENODEV;
info->var = var;
fb_mode = smode;
return mx2fb_set_par(info);
}
case ENCODER_SET_INPUT:
case ENCODER_SET_OUTPUT:
case ENCODER_ENABLE_OUTPUT:{
unsigned long varg;
if (mx2fbi->type != MX2FB_TYPE_BG)
return -ENODEV;
if (copy_from_user(&varg, (void *)arg, sizeof(varg)))
return -EFAULT;
return fs453_ioctl(cmd, &varg);
}
#endif
default:
dev_dbg(info->device, "Unknown ioctl command (0x%08X)\n", cmd);
return -EINVAL;
}
return 0;
}
/************************************************************************
* Initialization and cleanup code
*/
static int stmfb_parse_module_parameters(struct stmfb_info *i, int display)
{
char *paramstring = NULL;
char *copy = NULL;
char *mode = NULL;
char *memsize = NULL;
char *auxmemsize = NULL;
char *tvstandard = NULL;
char *componentvideo = NULL;
char *hdmivideo = NULL;
char *blit_api_ver;
unsigned long fbsize = 0;
int stride;
/*
* Note: slightly messy due to module parameter limitations and not wanting to
* use parameter arrays.
*/
switch(display)
{
case 0:
paramstring = display0;
break;
case 1:
paramstring = display1;
break;
case 2:
paramstring = display2;
break;
case 3:
paramstring = display3;
break;
default:
break;
}
printk("stmfb: fb%d parameters = \"%s\"\n",display,(paramstring==NULL)?"<NULL>":paramstring);
if(paramstring == NULL || *paramstring == '\0')
return -ENODEV;
copy = kstrdup(paramstring, GFP_KERNEL);
if(!copy)
return -ENOMEM;
mode = strsep(©,":,");
memsize = strsep(©,":,");
auxmemsize = strsep(©,":,");
tvstandard = strsep(©,":,");
componentvideo = strsep(©,":,");
hdmivideo = strsep(©,":,");
blit_api_ver = strsep(©,":,");
if(!mode || *mode == '\0')
{
DPRINTK("No mode string found\n");
kfree(copy);
return -ENODEV;
}
if(fb_find_mode(&i->info.var,&i->info,mode,i->videomodedb,ARRAY_SIZE(i->videomodedb),NULL,16) == 0)
{
DPRINTK("No suitable mode found (not even a default!)\n");
kfree(copy);
return -ENODEV;
}
if(memsize)
{
fbsize = (unsigned long)memparse(memsize,&memsize);
DPRINTK("requested memory = %lu\n",fbsize);
}
stride = i->info.var.xres * (i->info.var.bits_per_pixel/8);
i->info.var.yres_virtual = fbsize / stride;
if(i->info.var.yres_virtual < i->info.var.yres)
{
DPRINTK("Requested memory is too small for default video mode, fixing it\n");
fbsize = i->info.var.yres * stride;
}
/*
* Having determined size, set the virtual yres to equal yres for the
* default mode.
*/
i->info.var.yres_virtual = i->info.var.yres;
i->ulFBSize = fbsize;
if(auxmemsize)
{
i->AuxSize[0] = (unsigned long)memparse(auxmemsize,&auxmemsize);
DPRINTK("requested %lu bytes of auxiliary memory\n",i->AuxSize[0]);
}
else
i->AuxSize[0] = 0;
i->default_sd_encoding = STM_OUTPUT_STD_NTSC_M;
if (tvstandard)
{
switch(*tvstandard)
{
case 'N':
case 'n':
{
if(!strcmp(tvstandard,"NTSC-J"))
{
DPRINTK("Selecting NTSC-J output\n");
i->default_sd_encoding = STM_OUTPUT_STD_NTSC_J;
}
else if(!strcmp(tvstandard,"NTSC-443"))
{
DPRINTK("Selecting NTSC-443 output\n");
i->default_sd_encoding = STM_OUTPUT_STD_NTSC_443;
}
else
{
DPRINTK("Selecting NTSC (US) output\n");
i->default_sd_encoding = STM_OUTPUT_STD_NTSC_M;
}
break;
}
case 'S':
case 's':
{
DPRINTK("Selecting SECAM output\n");
i->default_sd_encoding = STM_OUTPUT_STD_SECAM;
break;
}
case 'P':
case 'p':
{
if(!strcmp(tvstandard,"PAL-M"))
{
DPRINTK("Selecting PAL-M output\n");
i->default_sd_encoding = STM_OUTPUT_STD_PAL_M;
}
else if(!strcmp(tvstandard,"PAL-N"))
{
DPRINTK("Selecting PAL-N output\n");
i->default_sd_encoding = STM_OUTPUT_STD_PAL_N;
}
else if(!strcmp(tvstandard,"PAL-Nc"))
{
DPRINTK("Selecting PAL-Nc output\n");
i->default_sd_encoding = STM_OUTPUT_STD_PAL_Nc;
}
else if(!strcmp(tvstandard, "PAL-60"))
{
DPRINTK("Selecting PAL-60 output\n");
i->default_sd_encoding = STM_OUTPUT_STD_PAL_60;
}
else
{
DPRINTK("Selecting PAL-BDGHI output\n");
i->default_sd_encoding = STM_OUTPUT_STD_PAL_BDGHI;
}
break;
}
default:
{
DPRINTK("Invalid default SD output standard, falling back to NTSC\n");
}
}
}
if(i->main_config.caps & STMFBIO_OUTPUT_CAPS_SDTV_ENCODING)
i->main_config.sdtv_encoding = i->default_sd_encoding;
/*
* Set the output format
*/
if(componentvideo)
{
ULONG outputcaps;
if(stm_display_output_get_capabilities(i->pFBMainOutput,&outputcaps)<0)
{
DPRINTK("Cannot get output capabilities\n");
return -EIO;
}
switch(*componentvideo)
{
case 'C':
case 'c':
if(outputcaps & (STM_OUTPUT_CAPS_CVBS_YC_EXCLUSIVE |
STM_OUTPUT_CAPS_SD_RGB_CVBS_YC |
STM_OUTPUT_CAPS_SD_YPrPb_CVBS_YC))
{
i->main_config.analogue_config = STMFBIO_OUTPUT_ANALOGUE_CVBS;
i->main_config.analogue_config |= STMFBIO_OUTPUT_ANALOGUE_YC;
}
else
{
printk(KERN_WARNING "Cannot select CVBS/S-Video on display %d\n",display);
}
break;
case 'R':
case 'r':
if(outputcaps & (STM_OUTPUT_CAPS_RGB_EXCLUSIVE |
STM_OUTPUT_CAPS_SD_RGB_CVBS_YC))
{
i->main_config.analogue_config = STMFBIO_OUTPUT_ANALOGUE_RGB;
if(outputcaps & STM_OUTPUT_CAPS_SD_RGB_CVBS_YC)
i->main_config.analogue_config |= STMFBIO_OUTPUT_ANALOGUE_CVBS;
}
else
{
printk(KERN_WARNING "Cannot select RGB on display %d\n",display);
}
break;
case 'Y':
case 'y':
if(outputcaps & (STM_OUTPUT_CAPS_YPrPb_EXCLUSIVE |
STM_OUTPUT_CAPS_SD_YPrPb_CVBS_YC))
{
i->main_config.analogue_config = STMFBIO_OUTPUT_ANALOGUE_YPrPb;
if(outputcaps & STM_OUTPUT_CAPS_SD_YPrPb_CVBS_YC)
i->main_config.analogue_config |= STMFBIO_OUTPUT_ANALOGUE_CVBS;
}
else
{
printk(KERN_WARNING "Cannot select YPrPb on display %d\n",display);
}
break;
default:
printk(KERN_WARNING "Unknown analogue video type option - falling back to driver defaults\n");
break;
}
}
if(hdmivideo && i->hdmi)
{
switch(*hdmivideo)
{
case 'Y':
case 'y':
i->hdmi->video_type = STM_VIDEO_OUT_YUV;
i->main_config.hdmi_config |= STMFBIO_OUTPUT_HDMI_YUV;
break;
default:
DPRINTK("Unknown hdmi video type option - falling back to RGB\n");
case 'R':
case 'r':
i->hdmi->video_type = STM_VIDEO_OUT_RGB;
i->main_config.hdmi_config &= ~STMFBIO_OUTPUT_HDMI_YUV;
break;
}
}
i->blitter_api = 1;
if (blit_api_ver)
{
if (blit_api_ver[0] >= '0' && blit_api_ver[0] <= '9'
&& blit_api_ver[1] == '\0')
i->blitter_api = *blit_api_ver - '0';
else
printk(KERN_WARNING "Unknown Blitter API version specified, ignoring\n");
}
kfree(copy);
return 0;
}
static int mxc_elcdif_fb_probe(struct platform_device *pdev)
{
int ret = 0;
struct mxc_elcdif_fb_data *data;
struct resource *res;
struct fb_info *fbi;
struct mxc_fb_platform_data *pdata = pdev->dev.platform_data;
const struct fb_videomode *mode;
struct fb_videomode m;
int num;
fbi = framebuffer_alloc(sizeof(struct mxc_elcdif_fb_data), &pdev->dev);
if (fbi == NULL) {
ret = -ENOMEM;
goto out;
}
data = (struct mxc_elcdif_fb_data *)fbi->par;
data->cur_blank = data->next_blank = FB_BLANK_UNBLANK;
fbi->var.activate = FB_ACTIVATE_NOW;
fbi->fbops = &mxc_elcdif_fb_ops;
fbi->flags = FBINFO_FLAG_DEFAULT;
fbi->pseudo_palette = data->pseudo_palette;
ret = fb_alloc_cmap(&fbi->cmap, 16, 0);
if (ret)
goto out;
g_elcdif_dev = &pdev->dev;
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (res == NULL) {
dev_err(&pdev->dev, "cannot get IRQ resource\n");
ret = -ENODEV;
goto err0;
}
data->dma_irq = res->start;
ret = request_irq(data->dma_irq, lcd_irq_handler, 0,
"mxc_elcdif_fb", data);
if (ret) {
dev_err(&pdev->dev, "request_irq (%d) failed with error %d\n",
data->dma_irq, ret);
goto err0;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
ret = -ENODEV;
goto err1;
}
elcdif_base = ioremap(res->start, SZ_4K);
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
if (res) {
fbi->fix.smem_len = res->end - res->start + 1;
fbi->fix.smem_start = res->start;
fbi->screen_base = ioremap(fbi->fix.smem_start,
fbi->fix.smem_len);
}
strcpy(fbi->fix.id, "mxc_elcdif_fb");
fbi->var.xres = 800;
fbi->var.yres = 480;
if (pdata && !data->output_pix_fmt)
data->output_pix_fmt = pdata->interface_pix_fmt;
INIT_LIST_HEAD(&fbi->modelist);
if (pdata && pdata->mode && pdata->num_modes)
fb_videomode_to_modelist(pdata->mode, pdata->num_modes,
&fbi->modelist);
if (mxc_disp_mode.num_modes) {
int i;
mode = mxc_disp_mode.mode;
num = mxc_disp_mode.num_modes;
for (i = 0; i < num; i++) {
/*
* FIXME now we do not support interlaced
* mode for ddc mode
*/
if ((mxc_disp_mode.dev_mode
& MXC_DISP_DDC_DEV) &&
(mode[i].vmode & FB_VMODE_INTERLACED))
continue;
else {
dev_dbg(&pdev->dev, "Added mode %d:", i);
dev_dbg(&pdev->dev,
"xres = %d, yres = %d, freq = %d, vmode = %d, flag = %d\n",
mode[i].xres, mode[i].yres, mode[i].refresh, mode[i].vmode,
mode[i].flag);
fb_add_videomode(&mode[i], &fbi->modelist);
}
}
}
if (!fb_mode && pdata && pdata->mode_str)
fb_mode = pdata->mode_str;
if (fb_mode) {
dev_dbg(&pdev->dev, "default video mode %s\n", fb_mode);
ret = fb_find_mode(&fbi->var, fbi, fb_mode, NULL, 0, NULL,
default_bpp);
if ((ret == 1) || (ret == 2)) {
fb_var_to_videomode(&m, &fbi->var);
dump_fb_videomode(&m);
mode = fb_find_nearest_mode(&m,
&fbi->modelist);
fb_videomode_to_var(&fbi->var, mode);
} else if (pdata && pdata->mode && pdata->num_modes) {
ret = fb_find_mode(&fbi->var, fbi, fb_mode, pdata->mode,
pdata->num_modes, NULL, default_bpp);
if (!ret) {
dev_err(fbi->device,
"No valid video mode found");
goto err2;
}
} else {
dev_err(fbi->device,
"No valid video mode found");
goto err2;
}
}
mxc_elcdif_fb_check_var(&fbi->var, fbi);
fbi->var.xres_virtual = fbi->var.xres;
fbi->var.yres_virtual = fbi->var.yres * 3;
mxc_elcdif_fb_set_fix(fbi);
if (!res || !res->end)
if (mxc_elcdif_fb_map_video_memory(fbi) < 0) {
ret = -ENOMEM;
goto err2;
}
g_elcdif_axi_clk = clk_get(g_elcdif_dev, "elcdif_axi");
if (g_elcdif_axi_clk == NULL) {
dev_err(&pdev->dev, "can't get ELCDIF axi clk\n");
ret = -ENODEV;
goto err3;
}
g_elcdif_pix_clk = clk_get(g_elcdif_dev, "elcdif_pix");
if (g_elcdif_pix_clk == NULL) {
dev_err(&pdev->dev, "can't get ELCDIF pix clk\n");
ret = -ENODEV;
goto err3;
}
/*
* Set an appropriate pixel clk rate first, so that we can
* access ELCDIF registers.
*/
clk_set_rate(g_elcdif_pix_clk, 25000000);
fbi->var.activate |= FB_ACTIVATE_FORCE;
console_lock();
fbi->flags |= FBINFO_MISC_USEREVENT;
ret = fb_set_var(fbi, &fbi->var);
fbi->flags &= ~FBINFO_MISC_USEREVENT;
console_unlock();
if (data->cur_blank == FB_BLANK_UNBLANK) {
console_lock();
fb_blank(fbi, FB_BLANK_UNBLANK);
console_unlock();
}
ret = register_framebuffer(fbi);
if (ret)
goto err3;
platform_set_drvdata(pdev, fbi);
return 0;
err3:
mxc_elcdif_fb_unmap_video_memory(fbi);
err2:
iounmap(elcdif_base);
err1:
free_irq(data->dma_irq, data);
err0:
fb_dealloc_cmap(&fbi->cmap);
framebuffer_release(fbi);
out:
return ret;
}
static int adv739x_disp_init(struct mxc_dispdrv_handle *disp,
struct mxc_dispdrv_setting *setting)
{
int ret = 0, i;
struct adv739x_data *adv739x = mxc_dispdrv_getdata(disp);
struct fsl_mxc_lcd_platform_data *plat = adv739x->client->dev.platform_data;
struct fb_videomode *modedb = adv739x_modedb;
int modedb_sz = adv739x_modedb_sz;
static bool inited = false;
if (inited)
return -EBUSY;
inited = true;
setting->dev_id = plat->ipu_id;
setting->disp_id = plat->disp_id;
{
struct clk *di_parent;
struct clk *di;
char di_clk[] = "ipu1_di0_clk";
di_clk[3] += setting->dev_id;
di_clk[7] += setting->disp_id;
di = clk_get(NULL, di_clk);
if (IS_ERR(di)) {
pr_err("%s: clock %s not found\n", __func__, di_clk);
}
di_parent = clk_get(NULL, "pll3_pfd_540M");
if (IS_ERR(di_parent)) {
pr_err("%s: clock pll3_pfd_540M not found\n", __func__);
}
clk_set_parent(di, di_parent);
clk_set_rate(di, 540000000/5);
clk_enable(di_parent);
}
ret = fb_find_mode(&setting->fbi->var, setting->fbi, setting->dft_mode_str,
modedb, modedb_sz, NULL, setting->default_bpp);
if (!ret) {
fb_videomode_to_var(&setting->fbi->var, &modedb[0]);
setting->if_fmt = plat->default_ifmt;
adv739x->ifmt = plat->default_ifmt;
}
INIT_LIST_HEAD(&setting->fbi->modelist);
for (i = 0; i < modedb_sz; i++) {
fb_add_videomode(&modedb[i],
&setting->fbi->modelist);
}
adv739x->fbi = setting->fbi;
adv739x->enabled = 0;
adv739x->cur_mode = ADV739X_MODE_NTSC; //default mode
adv739x->pdev = platform_device_register_simple("mxc_adv739x", 0, NULL, 0);
if (IS_ERR(adv739x->pdev)) {
dev_err(&adv739x->client->dev,
"Unable to register adv739x as a platform device\n");
ret = PTR_ERR(adv739x->pdev);
goto register_pltdev_failed;
}
/* Claim pins */
if (plat->get_pins)
if (!plat->get_pins()) {
ret = -EACCES;
goto get_pins_failed;
}
adv739x->nb.notifier_call = adv739x_fb_event;
ret = fb_register_client(&adv739x->nb);
if (ret < 0)
goto reg_fbclient_failed;
return ret;
reg_fbclient_failed:
get_pins_failed:
platform_device_unregister(adv739x->pdev);
register_pltdev_failed:
return ret;
}
