diff options
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/Kconfig | 9 | ||||
-rw-r--r-- | drivers/video/Makefile | 1 | ||||
-rw-r--r-- | drivers/video/aty/radeon_pm.c | 2 | ||||
-rw-r--r-- | drivers/video/au1100fb.c | 6 | ||||
-rw-r--r-- | drivers/video/backlight/locomolcd.c | 4 | ||||
-rw-r--r-- | drivers/video/carminefb.c | 2 | ||||
-rw-r--r-- | drivers/video/cyber2000fb.c | 3 | ||||
-rw-r--r-- | drivers/video/gbefb.c | 16 | ||||
-rw-r--r-- | drivers/video/geode/gxfb_core.c | 20 | ||||
-rw-r--r-- | drivers/video/geode/lxfb_core.c | 18 | ||||
-rw-r--r-- | drivers/video/imxfb.c | 72 | ||||
-rw-r--r-- | drivers/video/jz4740_fb.c | 847 | ||||
-rw-r--r-- | drivers/video/nuc900fb.c | 2 | ||||
-rw-r--r-- | drivers/video/omap/lcdc.c | 14 | ||||
-rw-r--r-- | drivers/video/omap/rfbi.c | 5 | ||||
-rw-r--r-- | drivers/video/omap2/displays/panel-acx565akm.c | 4 | ||||
-rw-r--r-- | drivers/video/omap2/vram.c | 33 | ||||
-rw-r--r-- | drivers/video/pmag-ba-fb.c | 6 | ||||
-rw-r--r-- | drivers/video/pmagb-b-fb.c | 12 | ||||
-rw-r--r-- | drivers/video/tdfxfb.c | 4 | ||||
-rw-r--r-- | drivers/video/tgafb.c | 2 |
21 files changed, 1003 insertions, 79 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 3d94a1471724..9e711a1d0d97 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -2229,6 +2229,15 @@ config FB_BROADSHEET and could also have been called by other names when coupled with a bridge adapter. +config FB_JZ4740 + tristate "JZ4740 LCD framebuffer support" + depends on FB && MACH_JZ4740 + select FB_SYS_FILLRECT + select FB_SYS_COPYAREA + select FB_SYS_IMAGEBLIT + help + Framebuffer support for the JZ4740 SoC. + source "drivers/video/omap/Kconfig" source "drivers/video/omap2/Kconfig" diff --git a/drivers/video/Makefile b/drivers/video/Makefile index ddc2af2ba45b..f56a9cae2157 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -131,6 +131,7 @@ obj-$(CONFIG_FB_CARMINE) += carminefb.o obj-$(CONFIG_FB_MB862XX) += mb862xx/ obj-$(CONFIG_FB_MSM) += msm/ obj-$(CONFIG_FB_NUC900) += nuc900fb.o +obj-$(CONFIG_FB_JZ4740) += jz4740_fb.o # Platform or fallback drivers go here obj-$(CONFIG_FB_UVESA) += uvesafb.o diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c index 515cf1978d19..c4e17642d9c5 100644 --- a/drivers/video/aty/radeon_pm.c +++ b/drivers/video/aty/radeon_pm.c @@ -2872,7 +2872,7 @@ void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk, int ignore_devlis } #if 0 - /* Power down TV DAC, taht saves a significant amount of power, + /* Power down TV DAC, that saves a significant amount of power, * we'll have something better once we actually have some TVOut * support */ diff --git a/drivers/video/au1100fb.c b/drivers/video/au1100fb.c index 40f61320ce16..34b2fc472fe8 100644 --- a/drivers/video/au1100fb.c +++ b/drivers/video/au1100fb.c @@ -95,7 +95,7 @@ struct fb_bitfield rgb_bitfields[][4] = { { 8, 4, 0 }, { 4, 4, 0 }, { 0, 4, 0 }, { 0, 0, 0 } }, }; -static struct fb_fix_screeninfo au1100fb_fix __initdata = { +static struct fb_fix_screeninfo au1100fb_fix __devinitdata = { .id = "AU1100 FB", .xpanstep = 1, .ypanstep = 1, @@ -103,7 +103,7 @@ static struct fb_fix_screeninfo au1100fb_fix __initdata = { .accel = FB_ACCEL_NONE, }; -static struct fb_var_screeninfo au1100fb_var __initdata = { +static struct fb_var_screeninfo au1100fb_var __devinitdata = { .activate = FB_ACTIVATE_NOW, .height = -1, .width = -1, @@ -458,7 +458,7 @@ static struct fb_ops au1100fb_ops = /* AU1100 LCD controller device driver */ -static int __init au1100fb_drv_probe(struct platform_device *dev) +static int __devinit au1100fb_drv_probe(struct platform_device *dev) { struct au1100fb_device *fbdev = NULL; struct resource *regs_res; diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c index 7571bc26071e..d2f59015d517 100644 --- a/drivers/video/backlight/locomolcd.c +++ b/drivers/video/backlight/locomolcd.c @@ -2,7 +2,7 @@ * Backlight control code for Sharp Zaurus SL-5500 * * Copyright 2005 John Lenz <lenz@cs.wisc.edu> - * Maintainer: Pavel Machek <pavel@suse.cz> (unless John wants to :-) + * Maintainer: Pavel Machek <pavel@ucw.cz> (unless John wants to :-) * GPL v2 * * This driver assumes single CPU. That's okay, because collie is @@ -246,6 +246,6 @@ static void __exit locomolcd_exit(void) module_init(locomolcd_init); module_exit(locomolcd_exit); -MODULE_AUTHOR("John Lenz <lenz@cs.wisc.edu>, Pavel Machek <pavel@suse.cz>"); +MODULE_AUTHOR("John Lenz <lenz@cs.wisc.edu>, Pavel Machek <pavel@ucw.cz>"); MODULE_DESCRIPTION("Collie LCD driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/video/carminefb.c b/drivers/video/carminefb.c index d8345fcc4fe3..6b19136aa181 100644 --- a/drivers/video/carminefb.c +++ b/drivers/video/carminefb.c @@ -432,7 +432,7 @@ static int init_hardware(struct carmine_hw *hw) u32 loops; u32 ret; - /* Initalize Carmine */ + /* Initialize Carmine */ /* Sets internal clock */ c_set_hw_reg(hw, CARMINE_CTL_REG + CARMINE_CTL_REG_CLOCK_ENABLE, CARMINE_DFLT_IP_CLOCK_ENABLE); diff --git a/drivers/video/cyber2000fb.c b/drivers/video/cyber2000fb.c index 3a561df2e8a2..0c1afd13ddd3 100644 --- a/drivers/video/cyber2000fb.c +++ b/drivers/video/cyber2000fb.c @@ -388,6 +388,7 @@ cyber2000fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, pseudo_val |= convert_bitfield(red, &var->red); pseudo_val |= convert_bitfield(green, &var->green); pseudo_val |= convert_bitfield(blue, &var->blue); + ret = 0; break; } @@ -436,6 +437,8 @@ static void cyber2000fb_write_ramdac_ctrl(struct cfb_info *cfb) cyber2000fb_writeb(i | 4, 0x3cf, cfb); cyber2000fb_writeb(val, 0x3c6, cfb); cyber2000fb_writeb(i, 0x3cf, cfb); + /* prevent card lock-up observed on x86 with CyberPro 2000 */ + cyber2000fb_readb(0x3cf, cfb); } static void cyber2000fb_set_timing(struct cfb_info *cfb, struct par_info *hw) diff --git a/drivers/video/gbefb.c b/drivers/video/gbefb.c index 7d8c55d7fd28..ca3355e430bf 100644 --- a/drivers/video/gbefb.c +++ b/drivers/video/gbefb.c @@ -91,10 +91,10 @@ static uint32_t pseudo_palette[16]; static uint32_t gbe_cmap[256]; static int gbe_turned_on; /* 0 turned off, 1 turned on */ -static char *mode_option __initdata = NULL; +static char *mode_option __devinitdata = NULL; /* default CRT mode */ -static struct fb_var_screeninfo default_var_CRT __initdata = { +static struct fb_var_screeninfo default_var_CRT __devinitdata = { /* 640x480, 60 Hz, Non-Interlaced (25.175 MHz dotclock) */ .xres = 640, .yres = 480, @@ -125,7 +125,7 @@ static struct fb_var_screeninfo default_var_CRT __initdata = { }; /* default LCD mode */ -static struct fb_var_screeninfo default_var_LCD __initdata = { +static struct fb_var_screeninfo default_var_LCD __devinitdata = { /* 1600x1024, 8 bpp */ .xres = 1600, .yres = 1024, @@ -157,7 +157,7 @@ static struct fb_var_screeninfo default_var_LCD __initdata = { /* default modedb mode */ /* 640x480, 60 Hz, Non-Interlaced (25.172 MHz dotclock) */ -static struct fb_videomode default_mode_CRT __initdata = { +static struct fb_videomode default_mode_CRT __devinitdata = { .refresh = 60, .xres = 640, .yres = 480, @@ -172,7 +172,7 @@ static struct fb_videomode default_mode_CRT __initdata = { .vmode = FB_VMODE_NONINTERLACED, }; /* 1600x1024 SGI flatpanel 1600sw */ -static struct fb_videomode default_mode_LCD __initdata = { +static struct fb_videomode default_mode_LCD __devinitdata = { /* 1600x1024, 8 bpp */ .xres = 1600, .yres = 1024, @@ -186,8 +186,8 @@ static struct fb_videomode default_mode_LCD __initdata = { .vmode = FB_VMODE_NONINTERLACED, }; -static struct fb_videomode *default_mode __initdata = &default_mode_CRT; -static struct fb_var_screeninfo *default_var __initdata = &default_var_CRT; +static struct fb_videomode *default_mode __devinitdata = &default_mode_CRT; +static struct fb_var_screeninfo *default_var __devinitdata = &default_var_CRT; static int flat_panel_enabled = 0; @@ -1098,7 +1098,7 @@ static void gbefb_create_sysfs(struct device *dev) * Initialization */ -static int __init gbefb_setup(char *options) +static int __devinit gbefb_setup(char *options) { char *this_opt; diff --git a/drivers/video/geode/gxfb_core.c b/drivers/video/geode/gxfb_core.c index 76e7dac6f259..70b1d9d51c96 100644 --- a/drivers/video/geode/gxfb_core.c +++ b/drivers/video/geode/gxfb_core.c @@ -40,7 +40,7 @@ static int vram; static int vt_switch; /* Modes relevant to the GX (taken from modedb.c) */ -static struct fb_videomode gx_modedb[] __initdata = { +static struct fb_videomode gx_modedb[] __devinitdata = { /* 640x480-60 VESA */ { NULL, 60, 640, 480, 39682, 48, 16, 33, 10, 96, 2, 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, @@ -110,14 +110,15 @@ static struct fb_videomode gx_modedb[] __initdata = { #ifdef CONFIG_OLPC #include <asm/olpc.h> -static struct fb_videomode gx_dcon_modedb[] __initdata = { +static struct fb_videomode gx_dcon_modedb[] __devinitdata = { /* The only mode the DCON has is 1200x900 */ { NULL, 50, 1200, 900, 17460, 24, 8, 4, 5, 8, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, 0 } }; -static void __init get_modedb(struct fb_videomode **modedb, unsigned int *size) +static void __devinit get_modedb(struct fb_videomode **modedb, + unsigned int *size) { if (olpc_has_dcon()) { *modedb = (struct fb_videomode *) gx_dcon_modedb; @@ -129,7 +130,8 @@ static void __init get_modedb(struct fb_videomode **modedb, unsigned int *size) } #else -static void __init get_modedb(struct fb_videomode **modedb, unsigned int *size) +static void __devinit get_modedb(struct fb_videomode **modedb, + unsigned int *size) { *modedb = (struct fb_videomode *) gx_modedb; *size = ARRAY_SIZE(gx_modedb); @@ -226,7 +228,8 @@ static int gxfb_blank(int blank_mode, struct fb_info *info) return gx_blank_display(info, blank_mode); } -static int __init gxfb_map_video_memory(struct fb_info *info, struct pci_dev *dev) +static int __devinit gxfb_map_video_memory(struct fb_info *info, + struct pci_dev *dev) { struct gxfb_par *par = info->par; int ret; @@ -290,7 +293,7 @@ static struct fb_ops gxfb_ops = { .fb_imageblit = cfb_imageblit, }; -static struct fb_info * __init gxfb_init_fbinfo(struct device *dev) +static struct fb_info *__devinit gxfb_init_fbinfo(struct device *dev) { struct gxfb_par *par; struct fb_info *info; @@ -371,7 +374,8 @@ static int gxfb_resume(struct pci_dev *pdev) } #endif -static int __init gxfb_probe(struct pci_dev *pdev, const struct pci_device_id *id) +static int __devinit gxfb_probe(struct pci_dev *pdev, + const struct pci_device_id *id) { struct gxfb_par *par; struct fb_info *info; @@ -451,7 +455,7 @@ static int __init gxfb_probe(struct pci_dev *pdev, const struct pci_device_id *i return ret; } -static void gxfb_remove(struct pci_dev *pdev) +static void __devexit gxfb_remove(struct pci_dev *pdev) { struct fb_info *info = pci_get_drvdata(pdev); struct gxfb_par *par = info->par; diff --git a/drivers/video/geode/lxfb_core.c b/drivers/video/geode/lxfb_core.c index 1a18da86d3fa..39bdbedf43b4 100644 --- a/drivers/video/geode/lxfb_core.c +++ b/drivers/video/geode/lxfb_core.c @@ -35,7 +35,7 @@ static int vt_switch; * we try to make it something sane - 640x480-60 is sane */ -static struct fb_videomode geode_modedb[] __initdata = { +static struct fb_videomode geode_modedb[] __devinitdata = { /* 640x480-60 */ { NULL, 60, 640, 480, 39682, 48, 8, 25, 2, 88, 2, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, @@ -219,14 +219,15 @@ static struct fb_videomode geode_modedb[] __initdata = { #ifdef CONFIG_OLPC #include <asm/olpc.h> -static struct fb_videomode olpc_dcon_modedb[] __initdata = { +static struct fb_videomode olpc_dcon_modedb[] __devinitdata = { /* The only mode the DCON has is 1200x900 */ { NULL, 50, 1200, 900, 17460, 24, 8, 4, 5, 8, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, 0 } }; -static void __init get_modedb(struct fb_videomode **modedb, unsigned int *size) +static void __devinit get_modedb(struct fb_videomode **modedb, + unsigned int *size) { if (olpc_has_dcon()) { *modedb = (struct fb_videomode *) olpc_dcon_modedb; @@ -238,7 +239,8 @@ static void __init get_modedb(struct fb_videomode **modedb, unsigned int *size) } #else -static void __init get_modedb(struct fb_videomode **modedb, unsigned int *size) +static void __devinit get_modedb(struct fb_videomode **modedb, + unsigned int *size) { *modedb = (struct fb_videomode *) geode_modedb; *size = ARRAY_SIZE(geode_modedb); @@ -334,7 +336,7 @@ static int lxfb_blank(int blank_mode, struct fb_info *info) } -static int __init lxfb_map_video_memory(struct fb_info *info, +static int __devinit lxfb_map_video_memory(struct fb_info *info, struct pci_dev *dev) { struct lxfb_par *par = info->par; @@ -412,7 +414,7 @@ static struct fb_ops lxfb_ops = { .fb_imageblit = cfb_imageblit, }; -static struct fb_info * __init lxfb_init_fbinfo(struct device *dev) +static struct fb_info * __devinit lxfb_init_fbinfo(struct device *dev) { struct lxfb_par *par; struct fb_info *info; @@ -496,7 +498,7 @@ static int lxfb_resume(struct pci_dev *pdev) #define lxfb_resume NULL #endif -static int __init lxfb_probe(struct pci_dev *pdev, +static int __devinit lxfb_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct lxfb_par *par; @@ -588,7 +590,7 @@ err: return ret; } -static void lxfb_remove(struct pci_dev *pdev) +static void __devexit lxfb_remove(struct pci_dev *pdev) { struct fb_info *info = pci_get_drvdata(pdev); struct lxfb_par *par = info->par; diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c index b4b6deceed15..43f0639b1c10 100644 --- a/drivers/video/imxfb.c +++ b/drivers/video/imxfb.c @@ -175,6 +175,7 @@ struct imxfb_info { struct imx_fb_videomode *mode; int num_modes; + struct backlight_device *bl; void (*lcd_power)(int); void (*backlight_power)(int); @@ -449,6 +450,73 @@ static int imxfb_set_par(struct fb_info *info) return 0; } + + +static int imxfb_bl_get_brightness(struct backlight_device *bl) +{ + struct imxfb_info *fbi = bl_get_data(bl); + + return readl(fbi->regs + LCDC_PWMR) & 0xFF; +} + +static int imxfb_bl_update_status(struct backlight_device *bl) +{ + struct imxfb_info *fbi = bl_get_data(bl); + int brightness = bl->props.brightness; + + if (bl->props.power != FB_BLANK_UNBLANK) + brightness = 0; + if (bl->props.fb_blank != FB_BLANK_UNBLANK) + brightness = 0; + + fbi->pwmr = (fbi->pwmr & ~0xFF) | brightness; + + if (bl->props.fb_blank != FB_BLANK_UNBLANK) + clk_enable(fbi->clk); + writel(fbi->pwmr, fbi->regs + LCDC_PWMR); + if (bl->props.fb_blank != FB_BLANK_UNBLANK) + clk_disable(fbi->clk); + + return 0; +} + +static const struct backlight_ops imxfb_lcdc_bl_ops = { + .update_status = imxfb_bl_update_status, + .get_brightness = imxfb_bl_get_brightness, +}; + +static void imxfb_init_backlight(struct imxfb_info *fbi) +{ + struct backlight_properties props; + struct backlight_device *bl; + + if (fbi->bl) + return; + + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 0xff; + writel(fbi->pwmr, fbi->regs + LCDC_PWMR); + + bl = backlight_device_register("imxfb-bl", &fbi->pdev->dev, fbi, + &imxfb_lcdc_bl_ops, &props); + if (IS_ERR(bl)) { + dev_err(&fbi->pdev->dev, "error %ld on backlight register\n", + PTR_ERR(bl)); + return; + } + + fbi->bl = bl; + bl->props.power = FB_BLANK_UNBLANK; + bl->props.fb_blank = FB_BLANK_UNBLANK; + bl->props.brightness = imxfb_bl_get_brightness(bl); +} + +static void imxfb_exit_backlight(struct imxfb_info *fbi) +{ + if (fbi->bl) + backlight_device_unregister(fbi->bl); +} + static void imxfb_enable_controller(struct imxfb_info *fbi) { pr_debug("Enabling LCD controller\n"); @@ -579,7 +647,6 @@ static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *inf fbi->regs + LCDC_SIZE); writel(fbi->pcr, fbi->regs + LCDC_PCR); - writel(fbi->pwmr, fbi->regs + LCDC_PWMR); writel(fbi->lscr1, fbi->regs + LCDC_LSCR1); writel(fbi->dmacr, fbi->regs + LCDC_DMACR); @@ -779,6 +846,8 @@ static int __init imxfb_probe(struct platform_device *pdev) } imxfb_enable_controller(fbi); + fbi->pdev = pdev; + imxfb_init_backlight(fbi); return 0; @@ -816,6 +885,7 @@ static int __devexit imxfb_remove(struct platform_device *pdev) imxfb_disable_controller(fbi); + imxfb_exit_backlight(fbi); unregister_framebuffer(info); pdata = pdev->dev.platform_data; diff --git a/drivers/video/jz4740_fb.c b/drivers/video/jz4740_fb.c new file mode 100644 index 000000000000..670ecaa0385a --- /dev/null +++ b/drivers/video/jz4740_fb.c @@ -0,0 +1,847 @@ +/* + * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de> + * JZ4740 SoC LCD framebuffer driver + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/platform_device.h> + +#include <linux/clk.h> +#include <linux/delay.h> + +#include <linux/console.h> +#include <linux/fb.h> + +#include <linux/dma-mapping.h> + +#include <asm/mach-jz4740/jz4740_fb.h> +#include <asm/mach-jz4740/gpio.h> + +#define JZ_REG_LCD_CFG 0x00 +#define JZ_REG_LCD_VSYNC 0x04 +#define JZ_REG_LCD_HSYNC 0x08 +#define JZ_REG_LCD_VAT 0x0C +#define JZ_REG_LCD_DAH 0x10 +#define JZ_REG_LCD_DAV 0x14 +#define JZ_REG_LCD_PS 0x18 +#define JZ_REG_LCD_CLS 0x1C +#define JZ_REG_LCD_SPL 0x20 +#define JZ_REG_LCD_REV 0x24 +#define JZ_REG_LCD_CTRL 0x30 +#define JZ_REG_LCD_STATE 0x34 +#define JZ_REG_LCD_IID 0x38 +#define JZ_REG_LCD_DA0 0x40 +#define JZ_REG_LCD_SA0 0x44 +#define JZ_REG_LCD_FID0 0x48 +#define JZ_REG_LCD_CMD0 0x4C +#define JZ_REG_LCD_DA1 0x50 +#define JZ_REG_LCD_SA1 0x54 +#define JZ_REG_LCD_FID1 0x58 +#define JZ_REG_LCD_CMD1 0x5C + +#define JZ_LCD_CFG_SLCD BIT(31) +#define JZ_LCD_CFG_PS_DISABLE BIT(23) +#define JZ_LCD_CFG_CLS_DISABLE BIT(22) +#define JZ_LCD_CFG_SPL_DISABLE BIT(21) +#define JZ_LCD_CFG_REV_DISABLE BIT(20) +#define JZ_LCD_CFG_HSYNCM BIT(19) +#define JZ_LCD_CFG_PCLKM BIT(18) +#define JZ_LCD_CFG_INV BIT(17) +#define JZ_LCD_CFG_SYNC_DIR BIT(16) +#define JZ_LCD_CFG_PS_POLARITY BIT(15) +#define JZ_LCD_CFG_CLS_POLARITY BIT(14) +#define JZ_LCD_CFG_SPL_POLARITY BIT(13) +#define JZ_LCD_CFG_REV_POLARITY BIT(12) +#define JZ_LCD_CFG_HSYNC_ACTIVE_LOW BIT(11) +#define JZ_LCD_CFG_PCLK_FALLING_EDGE BIT(10) +#define JZ_LCD_CFG_DE_ACTIVE_LOW BIT(9) +#define JZ_LCD_CFG_VSYNC_ACTIVE_LOW BIT(8) +#define JZ_LCD_CFG_18_BIT BIT(7) +#define JZ_LCD_CFG_PDW (BIT(5) | BIT(4)) +#define JZ_LCD_CFG_MODE_MASK 0xf + +#define JZ_LCD_CTRL_BURST_4 (0x0 << 28) +#define JZ_LCD_CTRL_BURST_8 (0x1 << 28) +#define JZ_LCD_CTRL_BURST_16 (0x2 << 28) +#define JZ_LCD_CTRL_RGB555 BIT(27) +#define JZ_LCD_CTRL_OFUP BIT(26) +#define JZ_LCD_CTRL_FRC_GRAYSCALE_16 (0x0 << 24) +#define JZ_LCD_CTRL_FRC_GRAYSCALE_4 (0x1 << 24) +#define JZ_LCD_CTRL_FRC_GRAYSCALE_2 (0x2 << 24) +#define JZ_LCD_CTRL_PDD_MASK (0xff << 16) +#define JZ_LCD_CTRL_EOF_IRQ BIT(13) +#define JZ_LCD_CTRL_SOF_IRQ BIT(12) +#define JZ_LCD_CTRL_OFU_IRQ BIT(11) +#define JZ_LCD_CTRL_IFU0_IRQ BIT(10) +#define JZ_LCD_CTRL_IFU1_IRQ BIT(9) +#define JZ_LCD_CTRL_DD_IRQ BIT(8) +#define JZ_LCD_CTRL_QDD_IRQ BIT(7) +#define JZ_LCD_CTRL_REVERSE_ENDIAN BIT(6) +#define JZ_LCD_CTRL_LSB_FISRT BIT(5) +#define JZ_LCD_CTRL_DISABLE BIT(4) +#define JZ_LCD_CTRL_ENABLE BIT(3) +#define JZ_LCD_CTRL_BPP_1 0x0 +#define JZ_LCD_CTRL_BPP_2 0x1 +#define JZ_LCD_CTRL_BPP_4 0x2 +#define JZ_LCD_CTRL_BPP_8 0x3 +#define JZ_LCD_CTRL_BPP_15_16 0x4 +#define JZ_LCD_CTRL_BPP_18_24 0x5 + +#define JZ_LCD_CMD_SOF_IRQ BIT(15) +#define JZ_LCD_CMD_EOF_IRQ BIT(16) +#define JZ_LCD_CMD_ENABLE_PAL BIT(12) + +#define JZ_LCD_SYNC_MASK 0x3ff + +#define JZ_LCD_STATE_DISABLED BIT(0) + +struct jzfb_framedesc { + uint32_t next; + uint32_t addr; + uint32_t id; + uint32_t cmd; +} __packed; + +struct jzfb { + struct fb_info *fb; + struct platform_device *pdev; + void __iomem *base; + struct resource *mem; + struct jz4740_fb_platform_data *pdata; + + size_t vidmem_size; + void *vidmem; + dma_addr_t vidmem_phys; + struct jzfb_framedesc *framedesc; + dma_addr_t framedesc_phys; + + struct clk *ldclk; + struct clk *lpclk; + + unsigned is_enabled:1; + struct mutex lock; + + uint32_t pseudo_palette[16]; +}; + +static const struct fb_fix_screeninfo jzfb_fix __devinitdata = { + .id = "JZ4740 FB", + .type = FB_TYPE_PACKED_PIXELS, + .visual = FB_VISUAL_TRUECOLOR, + .xpanstep = 0, + .ypanstep = 0, + .ywrapstep = 0, + .accel = FB_ACCEL_NONE, +}; + +static const struct jz_gpio_bulk_request jz_lcd_ctrl_pins[] = { + JZ_GPIO_BULK_PIN(LCD_PCLK), + JZ_GPIO_BULK_PIN(LCD_HSYNC), + JZ_GPIO_BULK_PIN(LCD_VSYNC), + JZ_GPIO_BULK_PIN(LCD_DE), + JZ_GPIO_BULK_PIN(LCD_PS), + JZ_GPIO_BULK_PIN(LCD_REV), + JZ_GPIO_BULK_PIN(LCD_CLS), + JZ_GPIO_BULK_PIN(LCD_SPL), +}; + +static const struct jz_gpio_bulk_request jz_lcd_data_pins[] = { + JZ_GPIO_BULK_PIN(LCD_DATA0), + JZ_GPIO_BULK_PIN(LCD_DATA1), + JZ_GPIO_BULK_PIN(LCD_DATA2), + JZ_GPIO_BULK_PIN(LCD_DATA3), + JZ_GPIO_BULK_PIN(LCD_DATA4), + JZ_GPIO_BULK_PIN(LCD_DATA5), + JZ_GPIO_BULK_PIN(LCD_DATA6), + JZ_GPIO_BULK_PIN(LCD_DATA7), + JZ_GPIO_BULK_PIN(LCD_DATA8), + JZ_GPIO_BULK_PIN(LCD_DATA9), + JZ_GPIO_BULK_PIN(LCD_DATA10), + JZ_GPIO_BULK_PIN(LCD_DATA11), + JZ_GPIO_BULK_PIN(LCD_DATA12), + JZ_GPIO_BULK_PIN(LCD_DATA13), + JZ_GPIO_BULK_PIN(LCD_DATA14), + JZ_GPIO_BULK_PIN(LCD_DATA15), + JZ_GPIO_BULK_PIN(LCD_DATA16), + JZ_GPIO_BULK_PIN(LCD_DATA17), +}; + +static unsigned int jzfb_num_ctrl_pins(struct jzfb *jzfb) +{ + unsigned int num; + + switch (jzfb->pdata->lcd_type) { + case JZ_LCD_TYPE_GENERIC_16_BIT: + num = 4; + break; + case JZ_LCD_TYPE_GENERIC_18_BIT: + num = 4; + break; + case JZ_LCD_TYPE_8BIT_SERIAL: + num = 3; + break; + case JZ_LCD_TYPE_SPECIAL_TFT_1: + case JZ_LCD_TYPE_SPECIAL_TFT_2: + case JZ_LCD_TYPE_SPECIAL_TFT_3: + num = 8; + break; + default: + num = 0; + break; + } + return num; +} + +static unsigned int jzfb_num_data_pins(struct jzfb *jzfb) +{ + unsigned int num; + + switch (jzfb->pdata->lcd_type) { + case JZ_LCD_TYPE_GENERIC_16_BIT: + num = 16; + break; + case JZ_LCD_TYPE_GENERIC_18_BIT: + num = 18; + break; + case JZ_LCD_TYPE_8BIT_SERIAL: + num = 8; + break; + case JZ_LCD_TYPE_SPECIAL_TFT_1: + case JZ_LCD_TYPE_SPECIAL_TFT_2: + case JZ_LCD_TYPE_SPECIAL_TFT_3: + if (jzfb->pdata->bpp == 18) + num = 18; + else + num = 16; + break; + default: + num = 0; + break; + } + return num; +} + +/* Based on CNVT_TOHW macro from skeletonfb.c */ +static inline uint32_t jzfb_convert_color_to_hw(unsigned val, + struct fb_bitfield *bf) +{ + return (((val << bf->length) + 0x7FFF - val) >> 16) << bf->offset; +} + +static int jzfb_setcolreg(unsigned regno, unsigned red, unsigned green, + unsigned blue, unsigned transp, struct fb_info *fb) +{ + uint32_t color; + + if (regno >= 16) + return -EINVAL; + + color = jzfb_convert_color_to_hw(red, &fb->var.red); + color |= jzfb_convert_color_to_hw(green, &fb->var.green); + color |= jzfb_convert_color_to_hw(blue, &fb->var.blue); + color |= jzfb_convert_color_to_hw(transp, &fb->var.transp); + + ((uint32_t *)(fb->pseudo_palette))[regno] = color; + + return 0; +} + +static int jzfb_get_controller_bpp(struct jzfb *jzfb) +{ + switch (jzfb->pdata->bpp) { + case 18: + case 24: + return 32; + case 15: + return 16; + default: + return jzfb->pdata->bpp; + } +} + +static struct fb_videomode *jzfb_get_mode(struct jzfb *jzfb, + struct fb_var_screeninfo *var) +{ + size_t i; + struct fb_videomode *mode = jzfb->pdata->modes; + + for (i = 0; i < jzfb->pdata->num_modes; ++i, ++mode) { + if (mode->xres == var->xres && mode->yres == var->yres) + return mode; + } + + return NULL; +} + +static int jzfb_check_var(struct fb_var_screeninfo *var, struct fb_info *fb) +{ + struct jzfb *jzfb = fb->par; + struct fb_videomode *mode; + + if (var->bits_per_pixel != jzfb_get_controller_bpp(jzfb) && + var->bits_per_pixel != jzfb->pdata->bpp) + return -EINVAL; + + mode = jzfb_get_mode(jzfb, var); + if (mode == NULL) + return -EINVAL; + + fb_videomode_to_var(var, mode); + + switch (jzfb->pdata->bpp) { + case 8: + break; + case 15: + var->red.offset = 10; + var->red.length = 5; + var->green.offset = 6; + var->green.length = 5; + var->blue.offset = 0; + var->blue.length = 5; + break; + case 16: + var->red.offset = 11; + var->red.length = 5; + var->green.offset = 5; + var->green.length = 6; + var->blue.offset = 0; + var->blue.length = 5; + break; + case 18: + var->red.offset = 16; + var->red.length = 6; + var->green.offset = 8; + var->green.length = 6; + var->blue.offset = 0; + var->blue.length = 6; + var->bits_per_pixel = 32; + break; + case 32: + case 24: + var->transp.offset = 24; + var->transp.length = 8; + var->red.offset = 16; + var->red.length = 8; + var->green.offset = 8; + var->green.length = 8; + var->blue.offset = 0; + var->blue.length = 8; + var->bits_per_pixel = 32; + break; + default: + break; + } + + return 0; +} + +static int jzfb_set_par(struct fb_info *info) +{ + struct jzfb *jzfb = info->par; + struct jz4740_fb_platform_data *pdata = jzfb->pdata; + struct fb_var_screeninfo *var = &info->var; + struct fb_videomode *mode; + uint16_t hds, vds; + uint16_t hde, vde; + uint16_t ht, vt; + uint32_t ctrl; + uint32_t cfg; + unsigned long rate; + + mode = jzfb_get_mode(jzfb, var); + if (mode == NULL) + return -EINVAL; + + if (mode == info->mode) + return 0; + + info->mode = mode; + + hds = mode->hsync_len + mode->left_margin; + hde = hds + mode->xres; + ht = hde + mode->right_margin; + + vds = mode->vsync_len + mode->upper_margin; + vde = vds + mode->yres; + vt = vde + mode->lower_margin; + + ctrl = JZ_LCD_CTRL_OFUP | JZ_LCD_CTRL_BURST_16; + + switch (pdata->bpp) { + case 1: + ctrl |= JZ_LCD_CTRL_BPP_1; + break; + case 2: + ctrl |= JZ_LCD_CTRL_BPP_2; + break; + case 4: + ctrl |= JZ_LCD_CTRL_BPP_4; + break; + case 8: + ctrl |= JZ_LCD_CTRL_BPP_8; + break; + case 15: + ctrl |= JZ_LCD_CTRL_RGB555; /* Falltrough */ + case 16: + ctrl |= JZ_LCD_CTRL_BPP_15_16; + break; + case 18: + case 24: + case 32: + ctrl |= JZ_LCD_CTRL_BPP_18_24; + break; + default: + break; + } + + cfg = pdata->lcd_type & 0xf; + + if (!(mode->sync & FB_SYNC_HOR_HIGH_ACT)) + cfg |= JZ_LCD_CFG_HSYNC_ACTIVE_LOW; + + if (!(mode->sync & FB_SYNC_VERT_HIGH_ACT)) + cfg |= JZ_LCD_CFG_VSYNC_ACTIVE_LOW; + + if (pdata->pixclk_falling_edge) + cfg |= JZ_LCD_CFG_PCLK_FALLING_EDGE; + + if (pdata->date_enable_active_low) + cfg |= JZ_LCD_CFG_DE_ACTIVE_LOW; + + if (pdata->lcd_type == JZ_LCD_TYPE_GENERIC_18_BIT) + cfg |= JZ_LCD_CFG_18_BIT; + + if (mode->pixclock) { + rate = PICOS2KHZ(mode->pixclock) * 1000; + mode->refresh = rate / vt / ht; + } else { + if (pdata->lcd_type == JZ_LCD_TYPE_8BIT_SERIAL) + rate = mode->refresh * (vt + 2 * mode->xres) * ht; + else + rate = mode->refresh * vt * ht; + + mode->pixclock = KHZ2PICOS(rate / 1000); + } + + mutex_lock(&jzfb->lock); + if (!jzfb->is_enabled) + clk_enable(jzfb->ldclk); + else + ctrl |= JZ_LCD_CTRL_ENABLE; + + switch (pdata->lcd_type) { + case JZ_LCD_TYPE_SPECIAL_TFT_1: + case JZ_LCD_TYPE_SPECIAL_TFT_2: + case JZ_LCD_TYPE_SPECIAL_TFT_3: + writel(pdata->special_tft_config.spl, jzfb->base + JZ_REG_LCD_SPL); + writel(pdata->special_tft_config.cls, jzfb->base + JZ_REG_LCD_CLS); + writel(pdata->special_tft_config.ps, jzfb->base + JZ_REG_LCD_PS); + writel(pdata->special_tft_config.ps, jzfb->base + JZ_REG_LCD_REV); + break; + default: + cfg |= JZ_LCD_CFG_PS_DISABLE; + cfg |= JZ_LCD_CFG_CLS_DISABLE; + cfg |= JZ_LCD_CFG_SPL_DISABLE; + cfg |= JZ_LCD_CFG_REV_DISABLE; + break; + } + + writel(mode->hsync_len, jzfb->base + JZ_REG_LCD_HSYNC); + writel(mode->vsync_len, jzfb->base + JZ_REG_LCD_VSYNC); + + writel((ht << 16) | vt, jzfb->base + JZ_REG_LCD_VAT); + + writel((hds << 16) | hde, jzfb->base + JZ_REG_LCD_DAH); + writel((vds << 16) | vde, jzfb->base + JZ_REG_LCD_DAV); + + writel(cfg, jzfb->base + JZ_REG_LCD_CFG); + + writel(ctrl, jzfb->base + JZ_REG_LCD_CTRL); + + if (!jzfb->is_enabled) + clk_disable(jzfb->ldclk); + + mutex_unlock(&jzfb->lock); + + clk_set_rate(jzfb->lpclk, rate); + clk_set_rate(jzfb->ldclk, rate * 3); + + return 0; +} + +static void jzfb_enable(struct jzfb *jzfb) +{ + uint32_t ctrl; + + clk_enable(jzfb->ldclk); + + jz_gpio_bulk_resume(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb)); + jz_gpio_bulk_resume(jz_lcd_data_pins, jzfb_num_data_pins(jzfb)); + + writel(0, jzfb->base + JZ_REG_LCD_STATE); + + writel(jzfb->framedesc->next, jzfb->base + JZ_REG_LCD_DA0); + + ctrl = readl(jzfb->base + JZ_REG_LCD_CTRL); + ctrl |= JZ_LCD_CTRL_ENABLE; + ctrl &= ~JZ_LCD_CTRL_DISABLE; + writel(ctrl, jzfb->base + JZ_REG_LCD_CTRL); +} + +static void jzfb_disable(struct jzfb *jzfb) +{ + uint32_t ctrl; + + ctrl = readl(jzfb->base + JZ_REG_LCD_CTRL); + ctrl |= JZ_LCD_CTRL_DISABLE; + writel(ctrl, jzfb->base + JZ_REG_LCD_CTRL); + do { + ctrl = readl(jzfb->base + JZ_REG_LCD_STATE); + } while (!(ctrl & JZ_LCD_STATE_DISABLED)); + + jz_gpio_bulk_suspend(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb)); + jz_gpio_bulk_suspend(jz_lcd_data_pins, jzfb_num_data_pins(jzfb)); + + clk_disable(jzfb->ldclk); +} + +static int jzfb_blank(int blank_mode, struct fb_info *info) +{ + struct jzfb *jzfb = info->par; + + switch (blank_mode) { + case FB_BLANK_UNBLANK: + mutex_lock(&jzfb->lock); + if (jzfb->is_enabled) { + mutex_unlock(&jzfb->lock); + return 0; + } + + jzfb_enable(jzfb); + jzfb->is_enabled = 1; + + mutex_unlock(&jzfb->lock); + break; + default: + mutex_lock(&jzfb->lock); + if (!jzfb->is_enabled) { + mutex_unlock(&jzfb->lock); + return 0; + } + + jzfb_disable(jzfb); + jzfb->is_enabled = 0; + + mutex_unlock(&jzfb->lock); + break; + } + + return 0; +} + +static int jzfb_alloc_devmem(struct jzfb *jzfb) +{ + int max_videosize = 0; + struct fb_videomode *mode = jzfb->pdata->modes; + void *page; + int i; + + for (i = 0; i < jzfb->pdata->num_modes; ++mode, ++i) { + if (max_videosize < mode->xres * mode->yres) + max_videosize = mode->xres * mode->yres; + } + + max_videosize *= jzfb_get_controller_bpp(jzfb) >> 3; + + jzfb->framedesc = dma_alloc_coherent(&jzfb->pdev->dev, + sizeof(*jzfb->framedesc), + &jzfb->framedesc_phys, GFP_KERNEL); + + if (!jzfb->framedesc) + return -ENOMEM; + + jzfb->vidmem_size = PAGE_ALIGN(max_videosize); + jzfb->vidmem = dma_alloc_coherent(&jzfb->pdev->dev, + jzfb->vidmem_size, + &jzfb->vidmem_phys, GFP_KERNEL); + + if (!jzfb->vidmem) + goto err_free_framedesc; + + for (page = jzfb->vidmem; + page < jzfb->vidmem + PAGE_ALIGN(jzfb->vidmem_size); + page += PAGE_SIZE) { + SetPageReserved(virt_to_page(page)); + } + + jzfb->framedesc->next = jzfb->framedesc_phys; + jzfb->framedesc->addr = jzfb->vidmem_phys; + jzfb->framedesc->id = 0xdeafbead; + jzfb->framedesc->cmd = 0; + jzfb->framedesc->cmd |= max_videosize / 4; + + return 0; + +err_free_framedesc: + dma_free_coherent(&jzfb->pdev->dev, sizeof(*jzfb->framedesc), + jzfb->framedesc, jzfb->framedesc_phys); + return -ENOMEM; +} + +static void jzfb_free_devmem(struct jzfb *jzfb) +{ + dma_free_coherent(&jzfb->pdev->dev, jzfb->vidmem_size, + jzfb->vidmem, jzfb->vidmem_phys); + dma_free_coherent(&jzfb->pdev->dev, sizeof(*jzfb->framedesc), + jzfb->framedesc, jzfb->framedesc_phys); +} + +static struct fb_ops jzfb_ops = { + .owner = THIS_MODULE, + .fb_check_var = jzfb_check_var, + .fb_set_par = jzfb_set_par, + .fb_blank = jzfb_blank, + .fb_fillrect = sys_fillrect, + .fb_copyarea = sys_copyarea, + .fb_imageblit = sys_imageblit, + .fb_setcolreg = jzfb_setcolreg, +}; + +static int __devinit jzfb_probe(struct platform_device *pdev) +{ + int ret; + struct jzfb *jzfb; + struct fb_info *fb; + struct jz4740_fb_platform_data *pdata = pdev->dev.platform_data; + struct resource *mem; + + if (!pdata) { + dev_err(&pdev->dev, "Missing platform data\n"); + return -ENXIO; + } + + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!mem) { + dev_err(&pdev->dev, "Failed to get register memory resource\n"); + return -ENXIO; + } + + mem = request_mem_region(mem->start, resource_size(mem), pdev->name); + if (!mem) { + dev_err(&pdev->dev, "Failed to request register memory region\n"); + return -EBUSY; + } + + fb = framebuffer_alloc(sizeof(struct jzfb), &pdev->dev); + if (!fb) { + dev_err(&pdev->dev, "Failed to allocate framebuffer device\n"); + ret = -ENOMEM; + goto err_release_mem_region; + } + + fb->fbops = &jzfb_ops; + fb->flags = FBINFO_DEFAULT; + + jzfb = fb->par; + jzfb->pdev = pdev; + jzfb->pdata = pdata; + jzfb->mem = mem; + + jzfb->ldclk = clk_get(&pdev->dev, "lcd"); + if (IS_ERR(jzfb->ldclk)) { + ret = PTR_ERR(jzfb->ldclk); + dev_err(&pdev->dev, "Failed to get lcd clock: %d\n", ret); + goto err_framebuffer_release; + } + + jzfb->lpclk = clk_get(&pdev->dev, "lcd_pclk"); + if (IS_ERR(jzfb->lpclk)) { + ret = PTR_ERR(jzfb->lpclk); + dev_err(&pdev->dev, "Failed to get lcd pixel clock: %d\n", ret); + goto err_put_ldclk; + } + + jzfb->base = ioremap(mem->start, resource_size(mem)); + if (!jzfb->base) { + dev_err(&pdev->dev, "Failed to ioremap register memory region\n"); + ret = -EBUSY; + goto err_put_lpclk; + } + + platform_set_drvdata(pdev, jzfb); + + mutex_init(&jzfb->lock); + + fb_videomode_to_modelist(pdata->modes, pdata->num_modes, + &fb->modelist); + fb_videomode_to_var(&fb->var, pdata->modes); + fb->var.bits_per_pixel = pdata->bpp; + jzfb_check_var(&fb->var, fb); + + ret = jzfb_alloc_devmem(jzfb); + if (ret) { + dev_err(&pdev->dev, "Failed to allocate video memory\n"); + goto err_iounmap; + } + + fb->fix = jzfb_fix; + fb->fix.line_length = fb->var.bits_per_pixel * fb->var.xres / 8; + fb->fix.mmio_start = mem->start; + fb->fix.mmio_len = resource_size(mem); + fb->fix.smem_start = jzfb->vidmem_phys; + fb->fix.smem_len = fb->fix.line_length * fb->var.yres; + fb->screen_base = jzfb->vidmem; + fb->pseudo_palette = jzfb->pseudo_palette; + + fb_alloc_cmap(&fb->cmap, 256, 0); + + clk_enable(jzfb->ldclk); + jzfb->is_enabled = 1; + + writel(jzfb->framedesc->next, jzfb->base + JZ_REG_LCD_DA0); + + fb->mode = NULL; + jzfb_set_par(fb); + + jz_gpio_bulk_request(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb)); + jz_gpio_bulk_request(jz_lcd_data_pins, jzfb_num_data_pins(jzfb)); + + ret = register_framebuffer(fb); + if (ret) { + dev_err(&pdev->dev, "Failed to register framebuffer: %d\n", ret); + goto err_free_devmem; + } + + jzfb->fb = fb; + + return 0; + +err_free_devmem: + jz_gpio_bulk_free(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb)); + jz_gpio_bulk_free(jz_lcd_data_pins, jzfb_num_data_pins(jzfb)); + + fb_dealloc_cmap(&fb->cmap); + jzfb_free_devmem(jzfb); +err_iounmap: + iounmap(jzfb->base); +err_put_lpclk: + clk_put(jzfb->lpclk); +err_put_ldclk: + clk_put(jzfb->ldclk); +err_framebuffer_release: + framebuffer_release(fb); +err_release_mem_region: + release_mem_region(mem->start, resource_size(mem)); + return ret; +} + +static int __devexit jzfb_remove(struct platform_device *pdev) +{ + struct jzfb *jzfb = platform_get_drvdata(pdev); + + jzfb_blank(FB_BLANK_POWERDOWN, jzfb->fb); + + jz_gpio_bulk_free(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb)); + jz_gpio_bulk_free(jz_lcd_data_pins, jzfb_num_data_pins(jzfb)); + + iounmap(jzfb->base); + release_mem_region(jzfb->mem->start, resource_size(jzfb->mem)); + + fb_dealloc_cmap(&jzfb->fb->cmap); + jzfb_free_devmem(jzfb); + + platform_set_drvdata(pdev, NULL); + + clk_put(jzfb->lpclk); + clk_put(jzfb->ldclk); + + framebuffer_release(jzfb->fb); + + return 0; +} + +#ifdef CONFIG_PM + +static int jzfb_suspend(struct device *dev) +{ + struct jzfb *jzfb = dev_get_drvdata(dev); + + acquire_console_sem(); + fb_set_suspend(jzfb->fb, 1); + release_console_sem(); + + mutex_lock(&jzfb->lock); + if (jzfb->is_enabled) + jzfb_disable(jzfb); + mutex_unlock(&jzfb->lock); + + return 0; +} + +static int jzfb_resume(struct device *dev) +{ + struct jzfb *jzfb = dev_get_drvdata(dev); + clk_enable(jzfb->ldclk); + + mutex_lock(&jzfb->lock); + if (jzfb->is_enabled) + jzfb_enable(jzfb); + mutex_unlock(&jzfb->lock); + + acquire_console_sem(); + fb_set_suspend(jzfb->fb, 0); + release_console_sem(); + + return 0; +} + +static const struct dev_pm_ops jzfb_pm_ops = { + .suspend = jzfb_suspend, + .resume = jzfb_resume, + .poweroff = jzfb_suspend, + .restore = jzfb_resume, +}; + +#define JZFB_PM_OPS (&jzfb_pm_ops) + +#else +#define JZFB_PM_OPS NULL +#endif + +static struct platform_driver jzfb_driver = { + .probe = jzfb_probe, + .remove = __devexit_p(jzfb_remove), + .driver = { + .name = "jz4740-fb", + .pm = JZFB_PM_OPS, + }, +}; + +static int __init jzfb_init(void) +{ + return platform_driver_register(&jzfb_driver); +} +module_init(jzfb_init); + +static void __exit jzfb_exit(void) +{ + platform_driver_unregister(&jzfb_driver); +} +module_exit(jzfb_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); +MODULE_DESCRIPTION("JZ4740 SoC LCD framebuffer driver"); +MODULE_ALIAS("platform:jz4740-fb"); diff --git a/drivers/video/nuc900fb.c b/drivers/video/nuc900fb.c index d4cde79ea15e..81687ed26ba9 100644 --- a/drivers/video/nuc900fb.c +++ b/drivers/video/nuc900fb.c @@ -596,8 +596,6 @@ static int __devinit nuc900fb_probe(struct platform_device *pdev) goto release_regs; } - nuc900_driver_clksrc_div(&pdev->dev, "ext", 0x2); - fbi->clk = clk_get(&pdev->dev, NULL); if (!fbi->clk || IS_ERR(fbi->clk)) { printk(KERN_ERR "nuc900-lcd:failed to get lcd clock source\n"); diff --git a/drivers/video/omap/lcdc.c b/drivers/video/omap/lcdc.c index 43ab7d8b66b2..7767338f8b14 100644 --- a/drivers/video/omap/lcdc.c +++ b/drivers/video/omap/lcdc.c @@ -572,22 +572,12 @@ static enum omapfb_update_mode omap_lcdc_get_update_mode(void) /* PM code called only in internal controller mode */ static void omap_lcdc_suspend(void) { - if (lcdc.update_mode == OMAPFB_AUTO_UPDATE) { - disable_controller(); - omap_stop_lcd_dma(); - } + omap_lcdc_set_update_mode(OMAPFB_UPDATE_DISABLED); } static void omap_lcdc_resume(void) { - if (lcdc.update_mode == OMAPFB_AUTO_UPDATE) { - setup_regs(); - load_palette(); - setup_lcd_dma(); - set_load_mode(OMAP_LCDC_LOAD_FRAME); - enable_irqs(OMAP_LCDC_IRQ_DONE); - enable_controller(); - } + omap_lcdc_set_update_mode(OMAPFB_AUTO_UPDATE); } static void omap_lcdc_get_caps(int plane, struct omapfb_caps *caps) diff --git a/drivers/video/omap/rfbi.c b/drivers/video/omap/rfbi.c index 1162603c72e5..eada9f12efc7 100644 --- a/drivers/video/omap/rfbi.c +++ b/drivers/video/omap/rfbi.c @@ -26,6 +26,7 @@ #include <linux/interrupt.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/platform_device.h> #include "omapfb.h" #include "dispc.h" @@ -83,13 +84,13 @@ static inline u32 rfbi_read_reg(int idx) static int rfbi_get_clocks(void) { - rfbi.dss_ick = clk_get(&dispc.fbdev->dssdev->dev, "ick"); + rfbi.dss_ick = clk_get(&rfbi.fbdev->dssdev->dev, "ick"); if (IS_ERR(rfbi.dss_ick)) { dev_err(rfbi.fbdev->dev, "can't get ick\n"); return PTR_ERR(rfbi.dss_ick); } - rfbi.dss1_fck = clk_get(&dispc.fbdev->dssdev->dev, "dss1_fck"); + rfbi.dss1_fck = clk_get(&rfbi.fbdev->dssdev->dev, "dss1_fck"); if (IS_ERR(rfbi.dss1_fck)) { dev_err(rfbi.fbdev->dev, "can't get dss1_fck\n"); clk_put(rfbi.dss_ick); diff --git a/drivers/video/omap2/displays/panel-acx565akm.c b/drivers/video/omap2/displays/panel-acx565akm.c index 1f8eb70e2937..07fbb8a733bb 100644 --- a/drivers/video/omap2/displays/panel-acx565akm.c +++ b/drivers/video/omap2/displays/panel-acx565akm.c @@ -592,7 +592,7 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev) r = omapdss_sdi_display_enable(dssdev); if (r) { pr_err("%s sdi enable failed\n", __func__); - return r; + goto fail_unlock; } /*FIXME tweak me */ @@ -633,6 +633,8 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev) return acx565akm_bl_update_status(md->bl_dev); fail: omapdss_sdi_display_disable(dssdev); +fail_unlock: + mutex_unlock(&md->mutex); return r; } diff --git a/drivers/video/omap2/vram.c b/drivers/video/omap2/vram.c index 3b1237ad85ed..f6fdc2085f3e 100644 --- a/drivers/video/omap2/vram.c +++ b/drivers/video/omap2/vram.c @@ -25,7 +25,7 @@ #include <linux/list.h> #include <linux/slab.h> #include <linux/seq_file.h> -#include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/completion.h> #include <linux/debugfs.h> #include <linux/jiffies.h> @@ -525,10 +525,8 @@ early_param("vram", omap_vram_early_vram); * Called from map_io. We need to call to this early enough so that we * can reserve the fixed SDRAM regions before VM could get hold of them. */ -void __init omap_vram_reserve_sdram(void) +void __init omap_vram_reserve_sdram_memblock(void) { - struct bootmem_data *bdata; - unsigned long sdram_start, sdram_size; u32 paddr; u32 size = 0; @@ -555,29 +553,28 @@ void __init omap_vram_reserve_sdram(void) size = PAGE_ALIGN(size); - bdata = NODE_DATA(0)->bdata; - sdram_start = bdata->node_min_pfn << PAGE_SHIFT; - sdram_size = (bdata->node_low_pfn << PAGE_SHIFT) - sdram_start; - if (paddr) { - if ((paddr & ~PAGE_MASK) || paddr < sdram_start || - paddr + size > sdram_start + sdram_size) { + struct memblock_property res; + + res.base = paddr; + res.size = size; + if ((paddr & ~PAGE_MASK) || memblock_find(&res) || + res.base != paddr || res.size != size) { pr_err("Illegal SDRAM region for VRAM\n"); return; } - if (reserve_bootmem(paddr, size, BOOTMEM_EXCLUSIVE) < 0) { - pr_err("FB: failed to reserve VRAM\n"); + if (memblock_is_region_reserved(paddr, size)) { + pr_err("FB: failed to reserve VRAM - busy\n"); return; } - } else { - if (size > sdram_size) { - pr_err("Illegal SDRAM size for VRAM\n"); + + if (memblock_reserve(paddr, size) < 0) { + pr_err("FB: failed to reserve VRAM - no memory\n"); return; } - - paddr = virt_to_phys(alloc_bootmem_pages(size)); - BUG_ON(paddr & ~PAGE_MASK); + } else { + paddr = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_REAL_LIMIT); } omap_vram_add_region(paddr, size); diff --git a/drivers/video/pmag-ba-fb.c b/drivers/video/pmag-ba-fb.c index 0f361b6100d2..0c69fa20251b 100644 --- a/drivers/video/pmag-ba-fb.c +++ b/drivers/video/pmag-ba-fb.c @@ -44,7 +44,7 @@ struct pmagbafb_par { }; -static struct fb_var_screeninfo pmagbafb_defined __initdata = { +static struct fb_var_screeninfo pmagbafb_defined __devinitdata = { .xres = 1024, .yres = 864, .xres_virtual = 1024, @@ -68,7 +68,7 @@ static struct fb_var_screeninfo pmagbafb_defined __initdata = { .vmode = FB_VMODE_NONINTERLACED, }; -static struct fb_fix_screeninfo pmagbafb_fix __initdata = { +static struct fb_fix_screeninfo pmagbafb_fix __devinitdata = { .id = "PMAG-BA", .smem_len = (1024 * 1024), .type = FB_TYPE_PACKED_PIXELS, @@ -142,7 +142,7 @@ static void __init pmagbafb_erase_cursor(struct fb_info *info) } -static int __init pmagbafb_probe(struct device *dev) +static int __devinit pmagbafb_probe(struct device *dev) { struct tc_dev *tdev = to_tc_dev(dev); resource_size_t start, len; diff --git a/drivers/video/pmagb-b-fb.c b/drivers/video/pmagb-b-fb.c index 2de0806421b4..22fcb9a3d5c0 100644 --- a/drivers/video/pmagb-b-fb.c +++ b/drivers/video/pmagb-b-fb.c @@ -45,7 +45,7 @@ struct pmagbbfb_par { }; -static struct fb_var_screeninfo pmagbbfb_defined __initdata = { +static struct fb_var_screeninfo pmagbbfb_defined __devinitdata = { .bits_per_pixel = 8, .red.length = 8, .green.length = 8, @@ -58,7 +58,7 @@ static struct fb_var_screeninfo pmagbbfb_defined __initdata = { .vmode = FB_VMODE_NONINTERLACED, }; -static struct fb_fix_screeninfo pmagbbfb_fix __initdata = { +static struct fb_fix_screeninfo pmagbbfb_fix __devinitdata = { .id = "PMAGB-BA", .smem_len = (2048 * 1024), .type = FB_TYPE_PACKED_PIXELS, @@ -148,7 +148,7 @@ static void __init pmagbbfb_erase_cursor(struct fb_info *info) /* * Set up screen parameters. */ -static void __init pmagbbfb_screen_setup(struct fb_info *info) +static void __devinit pmagbbfb_screen_setup(struct fb_info *info) { struct pmagbbfb_par *par = info->par; @@ -180,9 +180,9 @@ static void __init pmagbbfb_screen_setup(struct fb_info *info) /* * Determine oscillator configuration. */ -static void __init pmagbbfb_osc_setup(struct fb_info *info) +static void __devinit pmagbbfb_osc_setup(struct fb_info *info) { - static unsigned int pmagbbfb_freqs[] __initdata = { + static unsigned int pmagbbfb_freqs[] __devinitdata = { 130808, 119843, 104000, 92980, 74370, 72800, 69197, 66000, 65000, 50350, 36000, 32000, 25175 }; @@ -247,7 +247,7 @@ static void __init pmagbbfb_osc_setup(struct fb_info *info) }; -static int __init pmagbbfb_probe(struct device *dev) +static int __devinit pmagbbfb_probe(struct device *dev) { struct tc_dev *tdev = to_tc_dev(dev); resource_size_t start, len; diff --git a/drivers/video/tdfxfb.c b/drivers/video/tdfxfb.c index 980548390048..3ee5e63cfa4f 100644 --- a/drivers/video/tdfxfb.c +++ b/drivers/video/tdfxfb.c @@ -1571,8 +1571,8 @@ out_err_iobase: if (default_par->mtrr_handle >= 0) mtrr_del(default_par->mtrr_handle, info->fix.smem_start, info->fix.smem_len); - release_mem_region(pci_resource_start(pdev, 2), - pci_resource_len(pdev, 2)); + release_region(pci_resource_start(pdev, 2), + pci_resource_len(pdev, 2)); out_err_screenbase: if (info->screen_base) iounmap(info->screen_base); diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c index 1b3b1c718e80..aba7686b1a32 100644 --- a/drivers/video/tgafb.c +++ b/drivers/video/tgafb.c @@ -305,7 +305,7 @@ tgafb_set_par(struct fb_info *info) TGA_WRITE_REG(par, htimings, TGA_HORIZ_REG); TGA_WRITE_REG(par, vtimings, TGA_VERT_REG); - /* Initalise RAMDAC. */ + /* Initialise RAMDAC. */ if (tga_type == TGA_TYPE_8PLANE && tga_bus_pci) { /* Init BT485 RAMDAC registers. */ |