diff options
Diffstat (limited to 'drivers/video')
37 files changed, 2497 insertions, 740 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 8874cf2fd27..b1cb72c3780 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -4,20 +4,7 @@ menu "Graphics support" -config FIRMWARE_EDID - bool "Enable firmware EDID" - default y - ---help--- - This enables access to the EDID transferred from the firmware. - On the i386, this is from the Video BIOS. Enable this if DDC/I2C - transfers do not work for your driver and if you are using - nvidiafb, i810fb or savagefb. - - In general, choosing Y for this option is safe. If you - experience extremely long delays while booting before you get - something on your display, try setting this to N. Matrox cards in - combination with certain motherboards and monitors are known to - suffer from this problem. +source "drivers/video/backlight/Kconfig" config FB tristate "Support for frame buffer devices" @@ -53,9 +40,27 @@ config FB (e.g. an accelerated X server) and that are not frame buffer device-aware may cause unexpected results. If unsure, say N. +config FIRMWARE_EDID + bool "Enable firmware EDID" + depends on FB + default n + ---help--- + This enables access to the EDID transferred from the firmware. + On the i386, this is from the Video BIOS. Enable this if DDC/I2C + transfers do not work for your driver and if you are using + nvidiafb, i810fb or savagefb. + + In general, choosing Y for this option is safe. If you + experience extremely long delays while booting before you get + something on your display, try setting this to N. Matrox cards in + combination with certain motherboards and monitors are known to + suffer from this problem. + config FB_DDC tristate - depends on FB && I2C && I2C_ALGOBIT + depends on FB + select I2C_ALGOBIT + select I2C default n config FB_CFB_FILLRECT @@ -134,6 +139,9 @@ config FB_TILEBLITTING This is particularly important to one driver, matroxfb. If unsure, say N. +comment "Frame buffer hardware drivers" + depends on FB + config FB_CIRRUS tristate "Cirrus Logic support" depends on FB && (ZORRO || PCI) @@ -388,7 +396,7 @@ config FB_ATARI config FB_OF bool "Open Firmware frame buffer device support" - depends on (FB = y) && (PPC64 || PPC_OF) + depends on (FB = y) && (PPC64 || PPC_OF) && (!PPC_PSERIES || PCI) select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -669,8 +677,7 @@ config FB_S1D13XXX config FB_NVIDIA tristate "nVidia Framebuffer Support" depends on FB && PCI - select I2C_ALGOBIT if FB_NVIDIA_I2C - select I2C if FB_NVIDIA_I2C + select FB_BACKLIGHT if FB_NVIDIA_BACKLIGHT select FB_MODE_HELPERS select FB_CFB_FILLRECT select FB_CFB_COPYAREA @@ -688,6 +695,7 @@ config FB_NVIDIA config FB_NVIDIA_I2C bool "Enable DDC Support" depends on FB_NVIDIA + select FB_DDC help This enables I2C support for nVidia Chipsets. This is used only for getting EDID information from the attached display @@ -699,8 +707,7 @@ config FB_NVIDIA_I2C config FB_NVIDIA_BACKLIGHT bool "Support for backlight control" - depends on FB_NVIDIA && PMAC_BACKLIGHT - select FB_BACKLIGHT + depends on FB_NVIDIA default y help Say Y here if you want to control the backlight of your display. @@ -708,9 +715,7 @@ config FB_NVIDIA_BACKLIGHT config FB_RIVA tristate "nVidia Riva support" depends on FB && PCI - select I2C_ALGOBIT if FB_RIVA_I2C - select I2C if FB_RIVA_I2C - select FB_DDC if FB_RIVA_I2C + select FB_BACKLIGHT if FB_RIVA_BACKLIGHT select FB_MODE_HELPERS select FB_CFB_FILLRECT select FB_CFB_COPYAREA @@ -727,6 +732,7 @@ config FB_RIVA config FB_RIVA_I2C bool "Enable DDC Support" depends on FB_RIVA + select FB_DDC help This enables I2C support for nVidia Chipsets. This is used only for getting EDID information from the attached display @@ -747,8 +753,7 @@ config FB_RIVA_DEBUG config FB_RIVA_BACKLIGHT bool "Support for backlight control" - depends on FB_RIVA && PMAC_BACKLIGHT - select FB_BACKLIGHT + depends on FB_RIVA default y help Say Y here if you want to control the backlight of your display. @@ -798,8 +803,6 @@ config FB_I810_GTF config FB_I810_I2C bool "Enable DDC Support" depends on FB_I810 && FB_I810_GTF - select I2C - select I2C_ALGOBIT select FB_DDC help @@ -808,8 +811,6 @@ config FB_INTEL depends on FB && EXPERIMENTAL && PCI && X86 select AGP select AGP_INTEL - select I2C_ALGOBIT if FB_INTEL_I2C - select I2C if FB_INTEL_I2C select FB_MODE_HELPERS select FB_CFB_FILLRECT select FB_CFB_COPYAREA @@ -842,6 +843,7 @@ config FB_INTEL_DEBUG config FB_INTEL_I2C bool "DDC/I2C for Intel framebuffer support" depends on FB_INTEL + select FB_DDC default y help Say Y here if you want DDC/I2C support for your on-board Intel graphics. @@ -920,8 +922,8 @@ config FB_MATROX_G config FB_MATROX_I2C tristate "Matrox I2C support" - depends on FB_MATROX && I2C - select I2C_ALGOBIT + depends on FB_MATROX + select FB_DDC ---help--- This drivers creates I2C buses which are needed for accessing the DDC (I2C) bus present on all Matroxes, an I2C bus which @@ -989,9 +991,7 @@ config FB_MATROX_MULTIHEAD config FB_RADEON tristate "ATI Radeon display support" depends on FB && PCI - select I2C_ALGOBIT if FB_RADEON_I2C - select I2C if FB_RADEON_I2C - select FB_DDC if FB_RADEON_I2C + select FB_BACKLIGHT if FB_RADEON_BACKLIGHT select FB_MODE_HELPERS select FB_CFB_FILLRECT select FB_CFB_COPYAREA @@ -1015,14 +1015,14 @@ config FB_RADEON config FB_RADEON_I2C bool "DDC/I2C for ATI Radeon support" depends on FB_RADEON + select FB_DDC default y help Say Y here if you want DDC/I2C support for your Radeon board. config FB_RADEON_BACKLIGHT bool "Support for backlight control" - depends on FB_RADEON && PMAC_BACKLIGHT - select FB_BACKLIGHT + depends on FB_RADEON default y help Say Y here if you want to control the backlight of your display. @@ -1042,6 +1042,7 @@ config FB_ATY128 select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select FB_BACKLIGHT if FB_ATY128_BACKLIGHT select FB_MACMODES if PPC_PMAC help This driver supports graphics boards with the ATI Rage128 chips. @@ -1053,8 +1054,7 @@ config FB_ATY128 config FB_ATY128_BACKLIGHT bool "Support for backlight control" - depends on FB_ATY128 && PMAC_BACKLIGHT - select FB_BACKLIGHT + depends on FB_ATY128 default y help Say Y here if you want to control the backlight of your display. @@ -1065,6 +1065,7 @@ config FB_ATY select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select FB_BACKLIGHT if FB_ATY_BACKLIGHT select FB_MACMODES if PPC help This driver supports graphics boards with the ATI Mach64 chips. @@ -1103,8 +1104,7 @@ config FB_ATY_GX config FB_ATY_BACKLIGHT bool "Support for backlight control" - depends on FB_ATY && PMAC_BACKLIGHT - select FB_BACKLIGHT + depends on FB_ATY default y help Say Y here if you want to control the backlight of your display. @@ -1123,9 +1123,6 @@ config FB_S3 config FB_SAVAGE tristate "S3 Savage support" depends on FB && PCI && EXPERIMENTAL - select I2C_ALGOBIT if FB_SAVAGE_I2C - select I2C if FB_SAVAGE_I2C - select FB_DDC if FB_SAVAGE_I2C select FB_MODE_HELPERS select FB_CFB_FILLRECT select FB_CFB_COPYAREA @@ -1142,6 +1139,7 @@ config FB_SAVAGE config FB_SAVAGE_I2C bool "Enable DDC2 Support" depends on FB_SAVAGE + select FB_DDC help This enables I2C support for S3 Savage Chipsets. This is used only for getting EDID information from the attached display @@ -1322,7 +1320,7 @@ config FB_AU1100 config FB_AU1200 bool "Au1200 LCD Driver" - depends on FB && MIPS && SOC_AU1200 + depends on (FB = y) && MIPS && SOC_AU1200 select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -1472,7 +1470,7 @@ config FB_G364 config FB_68328 bool "Motorola 68328 native frame buffer support" - depends on FB && (M68328 || M68EZ328 || M68VZ328) + depends on (FB = y) && (M68328 || M68EZ328 || M68VZ328) select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -1573,6 +1571,24 @@ config FB_S3C2410_DEBUG Turn on debugging messages. Note that you can set/unset at run time through sysfs +config FB_SM501 + tristate "Silicon Motion SM501 framebuffer support" + depends on FB && MFD_SM501 + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + ---help--- + Frame buffer driver for the CRT and LCD controllers in the Silicon + Motion SM501. + + This driver is also available as a module ( = code which can be + inserted and removed from the running kernel whenever you want). The + module will be called sm501fb. If you want to compile it as a module, + say M here and read <file:Documentation/modules.txt>. + + If unsure, say N. + + config FB_PNX4008_DUM tristate "Display Update Module support on Philips PNX4008 board" depends on FB && ARCH_PNX4008 @@ -1600,8 +1616,7 @@ config FB_IBM_GXT4500 config FB_PS3 bool "PS3 GPU framebuffer driver" - depends on FB && PPC_PS3 - select PS3_PS3AV + depends on (FB = y) && PS3_PS3AV select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -1639,6 +1654,7 @@ config FB_VIRTUAL the vfb_enable=1 option. If unsure, say N. + if VT source "drivers/video/console/Kconfig" endif @@ -1647,9 +1663,5 @@ if FB || SGI_NEWPORT_CONSOLE source "drivers/video/logo/Kconfig" endif -if SYSFS - source "drivers/video/backlight/Kconfig" -endif - endmenu diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 6801edff36d..760305c8a84 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -12,7 +12,7 @@ fb-objs := $(fb-y) obj-$(CONFIG_VT) += console/ obj-$(CONFIG_LOGO) += logo/ -obj-$(CONFIG_SYSFS) += backlight/ +obj-y += backlight/ obj-$(CONFIG_FB_CFB_FILLRECT) += cfbfillrect.o obj-$(CONFIG_FB_CFB_COPYAREA) += cfbcopyarea.o @@ -98,6 +98,7 @@ obj-$(CONFIG_FB_PNX4008_DUM) += pnx4008/ obj-$(CONFIG_FB_PNX4008_DUM_RGB) += pnx4008/ obj-$(CONFIG_FB_IBM_GXT4500) += gxt4500.o obj-$(CONFIG_FB_PS3) += ps3fb.o +obj-$(CONFIG_FB_SM501) += sm501fb.o # Platform or fallback drivers go here obj-$(CONFIG_FB_VESA) += vesafb.o diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c index 2e976ffcde0..e86d7e0c982 100644 --- a/drivers/video/aty/aty128fb.c +++ b/drivers/video/aty/aty128fb.c @@ -357,6 +357,12 @@ static int default_lcd_on __devinitdata = 1; static int mtrr = 1; #endif +#ifdef CONFIG_PMAC_BACKLIGHT +static int backlight __devinitdata = 1; +#else +static int backlight __devinitdata = 0; +#endif + /* PLL constants */ struct aty128_constants { u32 ref_clk; @@ -1652,6 +1658,9 @@ static int __devinit aty128fb_setup(char *options) } else if (!strncmp(this_opt, "crt:", 4)) { default_crt_on = simple_strtoul(this_opt+4, NULL, 0); continue; + } else if (!strncmp(this_opt, "backlight:", 10)) { + backlight = simple_strtoul(this_opt+10, NULL, 0); + continue; } #ifdef CONFIG_MTRR if(!strncmp(this_opt, "nomtrr", 6)) { @@ -1695,9 +1704,6 @@ static int __devinit aty128fb_setup(char *options) #ifdef CONFIG_FB_ATY128_BACKLIGHT #define MAX_LEVEL 0xFF -static struct backlight_properties aty128_bl_data; - -/* Call with fb_info->bl_mutex held */ static int aty128_bl_get_level_brightness(struct aty128fb_par *par, int level) { @@ -1705,6 +1711,7 @@ static int aty128_bl_get_level_brightness(struct aty128fb_par *par, int atylevel; /* Get and convert the value */ + /* No locking of bl_curve since we read a single value */ atylevel = MAX_LEVEL - (info->bl_curve[level] * FB_BACKLIGHT_MAX / MAX_LEVEL); @@ -1724,19 +1731,18 @@ static int aty128_bl_get_level_brightness(struct aty128fb_par *par, /* That one prevents proper CRT output with LCD off */ #undef BACKLIGHT_DAC_OFF -/* Call with fb_info->bl_mutex held */ -static int __aty128_bl_update_status(struct backlight_device *bd) +static int aty128_bl_update_status(struct backlight_device *bd) { struct aty128fb_par *par = class_get_devdata(&bd->class_dev); unsigned int reg = aty_ld_le32(LVDS_GEN_CNTL); int level; - if (bd->props->power != FB_BLANK_UNBLANK || - bd->props->fb_blank != FB_BLANK_UNBLANK || + if (bd->props.power != FB_BLANK_UNBLANK || + bd->props.fb_blank != FB_BLANK_UNBLANK || !par->lcd_on) level = 0; else - level = bd->props->brightness; + level = bd->props.brightness; reg |= LVDS_BL_MOD_EN | LVDS_BLON; if (level > 0) { @@ -1778,43 +1784,22 @@ static int __aty128_bl_update_status(struct backlight_device *bd) return 0; } -static int aty128_bl_update_status(struct backlight_device *bd) -{ - struct aty128fb_par *par = class_get_devdata(&bd->class_dev); - struct fb_info *info = pci_get_drvdata(par->pdev); - int ret; - - mutex_lock(&info->bl_mutex); - ret = __aty128_bl_update_status(bd); - mutex_unlock(&info->bl_mutex); - - return ret; -} - static int aty128_bl_get_brightness(struct backlight_device *bd) { - return bd->props->brightness; + return bd->props.brightness; } -static struct backlight_properties aty128_bl_data = { - .owner = THIS_MODULE, +static struct backlight_ops aty128_bl_data = { .get_brightness = aty128_bl_get_brightness, .update_status = aty128_bl_update_status, - .max_brightness = (FB_BACKLIGHT_LEVELS - 1), }; static void aty128_bl_set_power(struct fb_info *info, int power) { - mutex_lock(&info->bl_mutex); - if (info->bl_dev) { - down(&info->bl_dev->sem); - info->bl_dev->props->power = power; - __aty128_bl_update_status(info->bl_dev); - up(&info->bl_dev->sem); + info->bl_dev->props.power = power; + backlight_update_status(info->bl_dev); } - - mutex_unlock(&info->bl_mutex); } static void aty128_bl_init(struct aty128fb_par *par) @@ -1841,25 +1826,15 @@ static void aty128_bl_init(struct aty128fb_par *par) goto error; } - mutex_lock(&info->bl_mutex); info->bl_dev = bd; fb_bl_default_curve(info, 0, 63 * FB_BACKLIGHT_MAX / MAX_LEVEL, 219 * FB_BACKLIGHT_MAX / MAX_LEVEL); - mutex_unlock(&info->bl_mutex); - down(&bd->sem); - bd->props->brightness = aty128_bl_data.max_brightness; - bd->props->power = FB_BLANK_UNBLANK; - bd->props->update_status(bd); - up(&bd->sem); - -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_lock(&pmac_backlight_mutex); - if (!pmac_backlight) - pmac_backlight = bd; - mutex_unlock(&pmac_backlight_mutex); -#endif + bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd->props.brightness = bd->props.max_brightness; + bd->props.power = FB_BLANK_UNBLANK; + backlight_update_status(bd); printk("aty128: Backlight initialized (%s)\n", name); @@ -1869,31 +1844,10 @@ error: return; } -static void aty128_bl_exit(struct aty128fb_par *par) +static void aty128_bl_exit(struct backlight_device *bd) { - struct fb_info *info = pci_get_drvdata(par->pdev); - -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_lock(&pmac_backlight_mutex); -#endif - - mutex_lock(&info->bl_mutex); - if (info->bl_dev) { -#ifdef CONFIG_PMAC_BACKLIGHT - if (pmac_backlight == info->bl_dev) - pmac_backlight = NULL; -#endif - - backlight_device_unregister(info->bl_dev); - info->bl_dev = NULL; - - printk("aty128: Backlight unloaded\n"); - } - mutex_unlock(&info->bl_mutex); - -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_unlock(&pmac_backlight_mutex); -#endif + backlight_device_unregister(bd); + printk("aty128: Backlight unloaded\n"); } #endif /* CONFIG_FB_ATY128_BACKLIGHT */ @@ -2040,7 +1994,8 @@ static int __devinit aty128_init(struct pci_dev *pdev, const struct pci_device_i par->lock_blank = 0; #ifdef CONFIG_FB_ATY128_BACKLIGHT - aty128_bl_init(par); + if (backlight) + aty128_bl_init(par); #endif if (register_framebuffer(info) < 0) @@ -2180,11 +2135,12 @@ static void __devexit aty128_remove(struct pci_dev *pdev) par = info->par; + unregister_framebuffer(info); + #ifdef CONFIG_FB_ATY128_BACKLIGHT - aty128_bl_exit(par); + aty128_bl_exit(info->bl_dev); #endif - unregister_framebuffer(info); #ifdef CONFIG_MTRR if (par->mtrr.vram_valid) mtrr_del(par->mtrr.vram, info->fix.smem_start, @@ -2214,11 +2170,6 @@ static int aty128fb_blank(int blank, struct fb_info *fb) if (par->lock_blank || par->asleep) return 0; -#ifdef CONFIG_FB_ATY128_BACKLIGHT - if (machine_is(powermac) && blank) - aty128_bl_set_power(fb, FB_BLANK_POWERDOWN); -#endif - if (blank & FB_BLANK_VSYNC_SUSPEND) state |= 2; if (blank & FB_BLANK_HSYNC_SUSPEND) @@ -2233,11 +2184,6 @@ static int aty128fb_blank(int blank, struct fb_info *fb) aty128_set_lcd_enable(par, par->lcd_on && !blank); } -#ifdef CONFIG_FB_ATY128_BACKLIGHT - if (machine_is(powermac) && !blank) - aty128_bl_set_power(fb, FB_BLANK_UNBLANK); -#endif - return 0; } diff --git a/drivers/video/aty/atyfb.h b/drivers/video/aty/atyfb.h index f72faff33c0..dc62f8e282b 100644 --- a/drivers/video/aty/atyfb.h +++ b/drivers/video/aty/atyfb.h @@ -284,7 +284,8 @@ static inline void aty_st_8(int regindex, u8 val, const struct atyfb_par *par) #endif } -#if defined(CONFIG_PM) || defined(CONFIG_PMAC_BACKLIGHT) || defined (CONFIG_FB_ATY_GENERIC_LCD) +#if defined(CONFIG_PM) || defined(CONFIG_PMAC_BACKLIGHT) || \ +defined (CONFIG_FB_ATY_GENERIC_LCD) || defined (CONFIG_FB_ATY_BACKLIGHT) extern void aty_st_lcd(int index, u32 val, const struct atyfb_par *par); extern u32 aty_ld_lcd(int index, const struct atyfb_par *par); #endif diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index 301612cef35..8514f2a6f06 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -131,7 +131,8 @@ #define PRINTKI(fmt, args...) printk(KERN_INFO "atyfb: " fmt, ## args) #define PRINTKE(fmt, args...) printk(KERN_ERR "atyfb: " fmt, ## args) -#if defined(CONFIG_PM) || defined(CONFIG_PMAC_BACKLIGHT) || defined (CONFIG_FB_ATY_GENERIC_LCD) +#if defined(CONFIG_PM) || defined(CONFIG_PMAC_BACKLIGHT) || \ +defined (CONFIG_FB_ATY_GENERIC_LCD) || defined(CONFIG_FB_ATY_BACKLIGHT) static const u32 lt_lcd_regs[] = { CONFIG_PANEL_LG, LCD_GEN_CNTL_LG, @@ -308,6 +309,12 @@ static int xclk; static int comp_sync __devinitdata = -1; static char *mode; +#ifdef CONFIG_PMAC_BACKLIGHT +static int backlight __devinitdata = 1; +#else +static int backlight __devinitdata = 0; +#endif + #ifdef CONFIG_PPC static int default_vmode __devinitdata = VMODE_CHOOSE; static int default_cmode __devinitdata = CMODE_CHOOSE; @@ -2114,15 +2121,13 @@ static int atyfb_pci_resume(struct pci_dev *pdev) #ifdef CONFIG_FB_ATY_BACKLIGHT #define MAX_LEVEL 0xFF -static struct backlight_properties aty_bl_data; - -/* Call with fb_info->bl_mutex held */ static int aty_bl_get_level_brightness(struct atyfb_par *par, int level) { struct fb_info *info = pci_get_drvdata(par->pdev); int atylevel; /* Get and convert the value */ + /* No locking of bl_curve since we read a single value */ atylevel = info->bl_curve[level] * FB_BACKLIGHT_MAX / MAX_LEVEL; if (atylevel < 0) @@ -2133,18 +2138,17 @@ static int aty_bl_get_level_brightness(struct atyfb_par *par, int level) return atylevel; } -/* Call with fb_info->bl_mutex held */ -static int __aty_bl_update_status(struct backlight_device *bd) +static int aty_bl_update_status(struct backlight_device *bd) { struct atyfb_par *par = class_get_devdata(&bd->class_dev); unsigned int reg = aty_ld_lcd(LCD_MISC_CNTL, par); int level; - if (bd->props->power != FB_BLANK_UNBLANK || - bd->props->fb_blank != FB_BLANK_UNBLANK) + if (bd->props.power != FB_BLANK_UNBLANK || + bd->props.fb_blank != FB_BLANK_UNBLANK) level = 0; else - level = bd->props->brightness; + level = bd->props.brightness; reg |= (BLMOD_EN | BIASMOD_EN); if (level > 0) { @@ -2159,45 +2163,16 @@ static int __aty_bl_update_status(struct backlight_device *bd) return 0; } -static int aty_bl_update_status(struct backlight_device *bd) -{ - struct atyfb_par *par = class_get_devdata(&bd->class_dev); - struct fb_info *info = pci_get_drvdata(par->pdev); - int ret; - - mutex_lock(&info->bl_mutex); - ret = __aty_bl_update_status(bd); - mutex_unlock(&info->bl_mutex); - - return ret; -} - static int aty_bl_get_brightness(struct backlight_device *bd) { - return bd->props->brightness; + return bd->props.brightness; } -static struct backlight_properties aty_bl_data = { - .owner = THIS_MODULE, +static struct backlight_ops aty_bl_data = { .get_brightness = aty_bl_get_brightness, .update_status = aty_bl_update_status, - .max_brightness = (FB_BACKLIGHT_LEVELS - 1), }; -static void aty_bl_set_power(struct fb_info *info, int power) -{ - mutex_lock(&info->bl_mutex); - - if (info->bl_dev) { - down(&info->bl_dev->sem); - info->bl_dev->props->power = power; - __aty_bl_update_status(info->bl_dev); - up(&info->bl_dev->sem); - } - - mutex_unlock(&info->bl_mutex); -} - static void aty_bl_init(struct atyfb_par *par) { struct fb_info *info = pci_get_drvdata(par->pdev); @@ -2218,25 +2193,15 @@ static void aty_bl_init(struct atyfb_par *par) goto error; } - mutex_lock(&info->bl_mutex); info->bl_dev = bd; fb_bl_default_curve(info, 0, 0x3F * FB_BACKLIGHT_MAX / MAX_LEVEL, 0xFF * FB_BACKLIGHT_MAX / MAX_LEVEL); - mutex_unlock(&info->bl_mutex); - - down(&bd->sem); - bd->props->brightness = aty_bl_data.max_brightness; - bd->props->power = FB_BLANK_UNBLANK; - bd->props->update_status(bd); - up(&bd->sem); -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_lock(&pmac_backlight_mutex); - if (!pmac_backlight) - pmac_backlight = bd; - mutex_unlock(&pmac_backlight_mutex); -#endif + bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd->props.brightness = bd->props.max_brightness; + bd->props.power = FB_BLANK_UNBLANK; + backlight_update_status(bd); printk("aty: Backlight initialized (%s)\n", name); @@ -2246,30 +2211,10 @@ error: return; } -static void aty_bl_exit(struct atyfb_par *par) +static void aty_bl_exit(struct backlight_device *bd) { - struct fb_info *info = pci_get_drvdata(par->pdev); - -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_lock(&pmac_backlight_mutex); -#endif - - mutex_lock(&info->bl_mutex); - if (info->bl_dev) { -#ifdef CONFIG_PMAC_BACKLIGHT - if (pmac_backlight == info->bl_dev) - pmac_backlight = NULL; -#endif - - backlight_device_unregister(info->bl_dev); - - printk("aty: Backlight unloaded\n"); - } - mutex_unlock(&info->bl_mutex); - -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_unlock(&pmac_backlight_mutex); -#endif + backlight_device_unregister(bd); + printk("aty: Backlight unloaded\n"); } #endif /* CONFIG_FB_ATY_BACKLIGHT */ @@ -2637,7 +2582,7 @@ static int __devinit aty_init(struct fb_info *info) | (USE_F32KHZ | TRISTATE_MEM_EN), par); } else #endif - if (M64_HAS(MOBIL_BUS)) { + if (M64_HAS(MOBIL_BUS) && backlight) { #ifdef CONFIG_FB_ATY_BACKLIGHT aty_bl_init (par); #endif @@ -2814,8 +2759,6 @@ static int atyfb_blank(int blank, struct fb_info *info) return 0; #ifdef CONFIG_FB_ATY_BACKLIGHT - if (machine_is(powermac) && blank > FB_BLANK_NORMAL) - aty_bl_set_power(info, FB_BLANK_POWERDOWN); #elif defined(CONFIG_FB_ATY_GENERIC_LCD) if (par->lcd_table && blank > FB_BLANK_NORMAL && (aty_ld_lcd(LCD_GEN_CNTL, par) & LCD_ON)) { @@ -2846,8 +2789,6 @@ static int atyfb_blank(int blank, struct fb_info *info) aty_st_le32(CRTC_GEN_CNTL, gen_cntl, par); #ifdef CONFIG_FB_ATY_BACKLIGHT - if (machine_is(powermac) && blank <= FB_BLANK_NORMAL) - aty_bl_set_power(info, FB_BLANK_UNBLANK); #elif defined(CONFIG_FB_ATY_GENERIC_LCD) if (par->lcd_table && blank <= FB_BLANK_NORMAL && (aty_ld_lcd(LCD_GEN_CNTL, par) & LCD_ON)) { @@ -2958,7 +2899,7 @@ static int __devinit atyfb_setup_sparc(struct pci_dev *pdev, struct fb_info *info, unsigned long addr) { struct atyfb_par *par = info->par; - struct pcidev_cookie *pcp; + struct device_node *dp; char prop[128]; int node, len, i, j, ret; u32 mem, chip_id; @@ -3096,8 +3037,8 @@ static int __devinit atyfb_setup_sparc(struct pci_dev *pdev, node = 0; } - pcp = pdev->sysdata; - if (node == pcp->prom_node->node) { + dp = pci_device_to_OF_node(pdev); + if (node == dp->node) { struct fb_var_screeninfo *var = &default_var; unsigned int N, P, Q, M, T, R; u32 v_total, h_total; @@ -3726,13 +3667,13 @@ static void __devexit atyfb_remove(struct fb_info *info) aty_set_crtc(par, &saved_crtc); par->pll_ops->set_pll(info, &saved_pll); + unregister_framebuffer(info); + #ifdef CONFIG_FB_ATY_BACKLIGHT if (M64_HAS(MOBIL_BUS)) - aty_bl_exit(par); + aty_bl_exit(info->bl_dev); #endif - unregister_framebuffer(info); - #ifdef CONFIG_MTRR if (par->mtrr_reg >= 0) { mtrr_del(par->mtrr_reg, 0, 0); @@ -3823,6 +3764,8 @@ static int __init atyfb_setup(char *options) xclk = simple_strtoul(this_opt+5, NULL, 0); else if (!strncmp(this_opt, "comp_sync:", 10)) comp_sync = simple_strtoul(this_opt+10, NULL, 0); + else if (!strncmp(this_opt, "backlight:", 10)) + backlight = simple_strtoul(this_opt+10, NULL, 0); #ifdef CONFIG_PPC else if (!strncmp(this_opt, "vmode:", 6)) { unsigned int vmode = diff --git a/drivers/video/aty/mach64_ct.c b/drivers/video/aty/mach64_ct.c index f3b487b8710..1fdcfdbf669 100644 --- a/drivers/video/aty/mach64_ct.c +++ b/drivers/video/aty/mach64_ct.c @@ -598,7 +598,6 @@ static void aty_resume_pll_ct(const struct fb_info *info, struct atyfb_par *par = info->par; if (par->mclk_per != par->xclk_per) { - int i; /* * This disables the sclk, crashes the computer as reported: * aty_st_pll_ct(SPLL_CNTL2, 3, info); @@ -614,7 +613,7 @@ static void aty_resume_pll_ct(const struct fb_info *info, * helps for Rage Mobilities that sometimes crash when * we switch to sclk. (Daniel Mantione, 13-05-2003) */ - for (i=0;i<=0x1ffff;i++); + udelay(500); } aty_st_pll_ct(PLL_REF_DIV, pll->ct.pll_ref_div, par); diff --git a/drivers/video/aty/radeon_backlight.c b/drivers/video/aty/radeon_backlight.c index 3abfd4a380c..0be25fa5540 100644 --- a/drivers/video/aty/radeon_backlight.c +++ b/drivers/video/aty/radeon_backlight.c @@ -19,8 +19,6 @@ #define MAX_RADEON_LEVEL 0xFF -static struct backlight_properties radeon_bl_data; - struct radeon_bl_privdata { struct radeonfb_info *rinfo; uint8_t negative; @@ -29,17 +27,13 @@ struct radeon_bl_privdata { static int radeon_bl_get_level_brightness(struct radeon_bl_privdata *pdata, int level) { - struct fb_info *info = pdata->rinfo->info; int rlevel; - mutex_lock(&info->bl_mutex); - /* Get and convert the value */ + /* No locking of bl_curve since we read a single value */ rlevel = pdata->rinfo->info->bl_curve[level] * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL; - mutex_unlock(&info->bl_mutex); - if (rlevel < 0) rlevel = 0; else if (rlevel > MAX_RADEON_LEVEL) @@ -65,11 +59,11 @@ static int radeon_bl_update_status(struct backlight_device *bd) * backlight. This provides some greater power saving and the display * is useless without backlight anyway. */ - if (bd->props->power != FB_BLANK_UNBLANK || - bd->props->fb_blank != FB_BLANK_UNBLANK) + if (bd->props.power != FB_BLANK_UNBLANK || + bd->props.fb_blank != FB_BLANK_UNBLANK) level = 0; else - level = bd->props->brightness; + level = bd->props.brightness; del_timer_sync(&rinfo->lvds_timer); radeon_engine_idle(); @@ -130,14 +124,12 @@ static int radeon_bl_update_status(struct backlight_device *bd) static int radeon_bl_get_brightness(struct backlight_device *bd) { - return bd->props->brightness; + return bd->props.brightness; } -static struct backlight_properties radeon_bl_data = { - .owner = THIS_MODULE, +static struct backlight_ops radeon_bl_data = { .get_brightness = radeon_bl_get_brightness, .update_status = radeon_bl_update_status, - .max_brightness = (FB_BACKLIGHT_LEVELS - 1), }; void radeonfb_bl_init(struct radeonfb_info *rinfo) @@ -188,25 +180,15 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo) machine_is_compatible("PowerBook6,5"); #endif - mutex_lock(&rinfo->info->bl_mutex); rinfo->info->bl_dev = bd; fb_bl_default_curve(rinfo->info, 0, 63 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL, 217 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL); - mutex_unlock(&rinfo->info->bl_mutex); - down(&bd->sem); - bd->props->brightness = radeon_bl_data.max_brightness; - bd->props->power = FB_BLANK_UNBLANK; - bd->props->update_status(bd); - up(&bd->sem); - -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_lock(&pmac_backlight_mutex); - if (!pmac_backlight) - pmac_backlight = bd; - mutex_unlock(&pmac_backlight_mutex); -#endif + bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd->props.brightness = bd->props.max_brightness; + bd->props.power = FB_BLANK_UNBLANK; + backlight_update_status(bd); printk("radeonfb: Backlight initialized (%s)\n", name); @@ -219,29 +201,16 @@ error: void radeonfb_bl_exit(struct radeonfb_info *rinfo) { -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_lock(&pmac_backlight_mutex); -#endif + struct backlight_device *bd = rinfo->info->bl_dev; - mutex_lock(&rinfo->info->bl_mutex); - if (rinfo->info->bl_dev) { + if (bd) { struct radeon_bl_privdata *pdata; -#ifdef CONFIG_PMAC_BACKLIGHT - if (pmac_backlight == rinfo->info->bl_dev) - pmac_backlight = NULL; -#endif - - pdata = class_get_devdata(&rinfo->info->bl_dev->class_dev); - backlight_device_unregister(rinfo->info->bl_dev); + pdata = class_get_devdata(&bd->class_dev); + backlight_device_unregister(bd); kfree(pdata); rinfo->info->bl_dev = NULL; printk("radeonfb: Backlight unloaded\n"); } - mutex_unlock(&rinfo->info->bl_mutex); - -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_unlock(&pmac_backlight_mutex); -#endif } diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c index 0ed577e7cc2..a4b3fd185de 100644 --- a/drivers/video/aty/radeon_base.c +++ b/drivers/video/aty/radeon_base.c @@ -268,6 +268,11 @@ static int nomtrr = 0; #endif static int force_sleep; static int ignore_devlist; +#ifdef CONFIG_PMAC_BACKLIGHT +static int backlight = 1; +#else +static int backlight = 0; +#endif /* * prototypes @@ -405,7 +410,7 @@ static int __devinit radeon_find_mem_vbios(struct radeonfb_info *rinfo) } #endif -#ifdef CONFIG_PPC_OF +#if defined(CONFIG_PPC_OF) || defined(CONFIG_SPARC) /* * Read XTAL (ref clock), SCLK and MCLK from Open Firmware device * tree. Hopefully, ATI OF driver is kind enough to fill these @@ -435,7 +440,7 @@ static int __devinit radeon_read_xtal_OF (struct radeonfb_info *rinfo) return 0; } -#endif /* CONFIG_PPC_OF */ +#endif /* CONFIG_PPC_OF || CONFIG_SPARC */ /* * Read PLL infos from chip registers @@ -640,7 +645,7 @@ static void __devinit radeon_get_pllinfo(struct radeonfb_info *rinfo) rinfo->pll.ref_div = INPLL(PPLL_REF_DIV) & PPLL_REF_DIV_MASK; -#ifdef CONFIG_PPC_OF +#if defined(CONFIG_PPC_OF) || defined(CONFIG_SPARC) /* * Retrieve PLL infos from Open Firmware first */ @@ -648,7 +653,7 @@ static void __devinit radeon_get_pllinfo(struct radeonfb_info *rinfo) printk(KERN_INFO "radeonfb: Retrieved PLL infos from Open Firmware\n"); goto found; } -#endif /* CONFIG_PPC_OF */ +#endif /* CONFIG_PPC_OF || CONFIG_SPARC */ /* * Check out if we have an X86 which gave us some PLL informations @@ -1026,8 +1031,7 @@ int radeon_screen_blank(struct radeonfb_info *rinfo, int blank, int mode_switch) break; } - /* let fbcon do a soft blank for us */ - return (blank == FB_BLANK_NORMAL) ? -EINVAL : 0; + return 0; } static int radeonfb_blank (int blank, struct fb_info *info) @@ -2227,7 +2231,7 @@ static int __devinit radeonfb_pci_register (struct pci_dev *pdev, rinfo->family == CHIP_FAMILY_RS200) rinfo->errata |= CHIP_ERRATA_PLL_DELAY; -#ifdef CONFIG_PPC_OF +#if defined(CONFIG_PPC_OF) || defined(CONFIG_SPARC) /* On PPC, we obtain the OF device-node pointer to the firmware * data for this chip */ @@ -2236,6 +2240,8 @@ static int __devinit radeonfb_pci_register (struct pci_dev *pdev, printk(KERN_WARNING "radeonfb (%s): Cannot match card to OF node !\n", pci_name(rinfo->pdev)); +#endif /* CONFIG_PPC_OF || CONFIG_SPARC */ +#ifdef CONFIG_PPC_OF /* On PPC, the firmware sets up a memory mapping that tends * to cause lockups when enabling the engine. We reconfigure * the card internal memory mappings properly @@ -2349,7 +2355,8 @@ static int __devinit radeonfb_pci_register (struct pci_dev *pdev, MTRR_TYPE_WRCOMB, 1); #endif - radeonfb_bl_init(rinfo); + if (backlight) + radeonfb_bl_init(rinfo); printk ("radeonfb (%s): %s\n", pci_name(rinfo->pdev), rinfo->name); @@ -2393,7 +2400,6 @@ static void __devexit radeonfb_pci_unregister (struct pci_dev *pdev) if (!rinfo) return; - radeonfb_bl_exit(rinfo); radeonfb_pm_exit(rinfo); if (rinfo->mon1_EDID) @@ -2420,6 +2426,8 @@ static void __devexit radeonfb_pci_unregister (struct pci_dev *pdev) unregister_framebuffer(info); + radeonfb_bl_exit(rinfo); + iounmap(rinfo->mmio_base); iounmap(rinfo->fb_base); @@ -2469,6 +2477,8 @@ static int __init radeonfb_setup (char *options) force_dfp = 1; } else if (!strncmp(this_opt, "panel_yres:", 11)) { panel_yres = simple_strtoul((this_opt+11), NULL, 0); + } else if (!strncmp(this_opt, "backlight:", 10)) { + backlight = simple_strtoul(this_opt+10, NULL, 0); #ifdef CONFIG_MTRR } else if (!strncmp(this_opt, "nomtrr", 6)) { nomtrr = 1; diff --git a/drivers/video/aty/radeon_monitor.c b/drivers/video/aty/radeon_monitor.c index 38c7dbf8c15..737b5c09dbd 100644 --- a/drivers/video/aty/radeon_monitor.c +++ b/drivers/video/aty/radeon_monitor.c @@ -52,7 +52,7 @@ static char *radeon_get_mon_name(int type) } -#ifdef CONFIG_PPC_OF +#if defined(CONFIG_PPC_OF) || defined(CONFIG_SPARC) /* * Try to find monitor informations & EDID data out of the Open Firmware * device-tree. This also contains some "hacks" to work around a few machine @@ -156,7 +156,7 @@ static int __devinit radeon_probe_OF_head(struct radeonfb_info *rinfo, int head_ } return MT_NONE; } -#endif /* CONFIG_PPC_OF */ +#endif /* CONFIG_PPC_OF || CONFIG_SPARC */ static int __devinit radeon_get_panel_info_BIOS(struct radeonfb_info *rinfo) @@ -495,11 +495,11 @@ void __devinit radeon_probe_screens(struct radeonfb_info *rinfo, * Old single head cards */ if (!rinfo->has_CRTC2) { -#ifdef CONFIG_PPC_OF +#if defined(CONFIG_PPC_OF) || defined(CONFIG_SPARC) if (rinfo->mon1_type == MT_NONE) rinfo->mon1_type = radeon_probe_OF_head(rinfo, 0, &rinfo->mon1_EDID); -#endif /* CONFIG_PPC_OF */ +#endif /* CONFIG_PPC_OF || CONFIG_SPARC */ #ifdef CONFIG_FB_RADEON_I2C if (rinfo->mon1_type == MT_NONE) rinfo->mon1_type = @@ -544,11 +544,11 @@ void __devinit radeon_probe_screens(struct radeonfb_info *rinfo, /* * Probe primary head (DVI or laptop internal panel) */ -#ifdef CONFIG_PPC_OF +#if defined(CONFIG_PPC_OF) || defined(CONFIG_SPARC) if (rinfo->mon1_type == MT_NONE) rinfo->mon1_type = radeon_probe_OF_head(rinfo, 0, &rinfo->mon1_EDID); -#endif /* CONFIG_PPC_OF */ +#endif /* CONFIG_PPC_OF || CONFIG_SPARC */ #ifdef CONFIG_FB_RADEON_I2C if (rinfo->mon1_type == MT_NONE) rinfo->mon1_type = radeon_probe_i2c_connector(rinfo, ddc_dvi, @@ -572,11 +572,11 @@ void __devinit radeon_probe_screens(struct radeonfb_info *rinfo, /* * Probe secondary head (mostly VGA, can be DVI) */ -#ifdef CONFIG_PPC_OF +#if defined(CONFIG_PPC_OF) || defined(CONFIG_SPARC) if (rinfo->mon2_type == MT_NONE) rinfo->mon2_type = radeon_probe_OF_head(rinfo, 1, &rinfo->mon2_EDID); -#endif /* CONFIG_PPC_OF */ +#endif /* CONFIG_PPC_OF || defined(CONFIG_SPARC) */ #ifdef CONFIG_FB_RADEON_I2C if (rinfo->mon2_type == MT_NONE) rinfo->mon2_type = radeon_probe_i2c_connector(rinfo, ddc_vga, diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c index 9a2b0d69b0a..c411293cefc 100644 --- a/drivers/video/aty/radeon_pm.c +++ b/drivers/video/aty/radeon_pm.c @@ -1262,7 +1262,7 @@ static void radeon_pm_full_reset_sdram(struct radeonfb_info *rinfo) /* This is the code for the Aluminium PowerBooks M10 / iBooks M11 */ if (rinfo->family == CHIP_FAMILY_RV350) { u32 sdram_mode_reg = rinfo->save_regs[35]; - static u32 default_mrtable[] = + static const u32 default_mrtable[] = { 0x21320032, 0x21321000, 0xa1321000, 0x21321000, 0xffffffff, 0x21320032, 0xa1320032, 0x21320032, 0xffffffff, diff --git a/drivers/video/aty/radeonfb.h b/drivers/video/aty/radeonfb.h index d5ff224a625..31900036028 100644 --- a/drivers/video/aty/radeonfb.h +++ b/drivers/video/aty/radeonfb.h @@ -16,7 +16,7 @@ #include <asm/io.h> -#ifdef CONFIG_PPC_OF +#if defined(CONFIG_PPC_OF) || defined(CONFIG_SPARC) #include <asm/prom.h> #endif @@ -292,7 +292,7 @@ struct radeonfb_info { unsigned long fb_local_base; struct pci_dev *pdev; -#ifdef CONFIG_PPC_OF +#if defined(CONFIG_PPC_OF) || defined(CONFIG_SPARC) struct device_node *of_node; #endif diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index 02f15297a02..47d15b5d985 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -19,11 +19,6 @@ config BACKLIGHT_CLASS_DEVICE To have support for your specific LCD panel you will have to select the proper drivers which depend on this option. -config BACKLIGHT_DEVICE - bool - depends on BACKLIGHT_CLASS_DEVICE - default y - config LCD_CLASS_DEVICE tristate "Lowlevel LCD controls" depends on BACKLIGHT_LCD_SUPPORT @@ -37,14 +32,9 @@ config LCD_CLASS_DEVICE To have support for your specific LCD panel you will have to select the proper drivers which depend on this option. -config LCD_DEVICE - bool - depends on LCD_CLASS_DEVICE - default y - config BACKLIGHT_CORGI tristate "Sharp Corgi Backlight Driver (SL Series)" - depends on BACKLIGHT_DEVICE && PXA_SHARPSL + depends on BACKLIGHT_CLASS_DEVICE && PXA_SHARPSL default y help If you have a Sharp Zaurus SL-C7xx, SL-Cxx00 or SL-6000x say y to enable the @@ -52,7 +42,7 @@ config BACKLIGHT_CORGI config BACKLIGHT_LOCOMO tristate "Sharp LOCOMO LCD/Backlight Driver" - depends on BACKLIGHT_DEVICE && SHARP_LOCOMO + depends on BACKLIGHT_CLASS_DEVICE && SHARP_LOCOMO default y help If you have a Sharp Zaurus SL-5500 (Collie) or SL-5600 (Poodle) say y to @@ -60,9 +50,16 @@ config BACKLIGHT_LOCOMO config BACKLIGHT_HP680 tristate "HP Jornada 680 Backlight Driver" - depends on BACKLIGHT_DEVICE && SH_HP6XX + depends on BACKLIGHT_CLASS_DEVICE && SH_HP6XX default y help If you have a HP Jornada 680, say y to enable the backlight driver. +config BACKLIGHT_PROGEAR + tristate "Frontpath ProGear Backlight Driver" + depends on BACKLIGHT_CLASS_DEVICE && PCI && X86 + default n + help + If you have a Frontpath ProGear say Y to enable the + backlight driver. diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index 65e5553fc84..0c3ce46f509 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -5,3 +5,4 @@ obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o obj-$(CONFIG_BACKLIGHT_CORGI) += corgi_bl.o obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o obj-$(CONFIG_BACKLIGHT_LOCOMO) += locomolcd.o +obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index 9601bfe309a..c65e81ff357 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -14,6 +14,9 @@ #include <linux/err.h> #include <linux/fb.h> +#ifdef CONFIG_PMAC_BACKLIGHT +#include <asm/backlight.h> +#endif #if defined(CONFIG_FB) || (defined(CONFIG_FB_MODULE) && \ defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)) @@ -28,19 +31,18 @@ static int fb_notifier_callback(struct notifier_block *self, struct fb_event *evdata = data; /* If we aren't interested in this event, skip it immediately ... */ - if (event != FB_EVENT_BLANK) + if (event != FB_EVENT_BLANK && event != FB_EVENT_CONBLANK) return 0; bd = container_of(self, struct backlight_device, fb_notif); - down(&bd->sem); - if (bd->props) - if (!bd->props->check_fb || - bd->props->check_fb(evdata->info)) { - bd->props->fb_blank = *(int *)evdata->data; - if (likely(bd->props && bd->props->update_status)) - bd->props->update_status(bd); + mutex_lock(&bd->ops_lock); + if (bd->ops) + if (!bd->ops->check_fb || + bd->ops->check_fb(evdata->info)) { + bd->props.fb_blank = *(int *)evdata->data; + backlight_update_status(bd); } - up(&bd->sem); + mutex_unlock(&bd->ops_lock); return 0; } @@ -69,15 +71,9 @@ static inline void backlight_unregister_fb(struct backlight_device *bd) static ssize_t backlight_show_power(struct class_device *cdev, char *buf) { - int rc = -ENXIO; struct backlight_device *bd = to_backlight_device(cdev); - down(&bd->sem); - if (likely(bd->props)) - rc = sprintf(buf, "%d\n", bd->props->power); - up(&bd->sem); - - return rc; + return sprintf(buf, "%d\n", bd->props.power); } static ssize_t backlight_store_power(struct class_device *cdev, const char *buf, size_t count) @@ -93,30 +89,23 @@ static ssize_t backlight_store_power(struct class_device *cdev, const char *buf, if (size != count) return -EINVAL; - down(&bd->sem); - if (likely(bd->props)) { + mutex_lock(&bd->ops_lock); + if (bd->ops) { pr_debug("backlight: set power to %d\n", power); - bd->props->power = power; - if (likely(bd->props->update_status)) - bd->props->update_status(bd); + bd->props.power = power; + backlight_update_status(bd); rc = count; } - up(&bd->sem); + mutex_unlock(&bd->ops_lock); return rc; } static ssize_t backlight_show_brightness(struct class_device *cdev, char *buf) { - int rc = -ENXIO; struct backlight_device *bd = to_backlight_device(cdev); - down(&bd->sem); - if (likely(bd->props)) - rc = sprintf(buf, "%d\n", bd->props->brightness); - up(&bd->sem); - - return rc; + return sprintf(buf, "%d\n", bd->props.brightness); } static ssize_t backlight_store_brightness(struct class_device *cdev, const char *buf, size_t count) @@ -132,35 +121,28 @@ static ssize_t backlight_store_brightness(struct class_device *cdev, const char if (size != count) return -EINVAL; - down(&bd->sem); - if (likely(bd->props)) { - if (brightness > bd->props->max_brightness) + mutex_lock(&bd->ops_lock); + if (bd->ops) { + if (brightness > bd->props.max_brightness) rc = -EINVAL; else { pr_debug("backlight: set brightness to %d\n", brightness); - bd->props->brightness = brightness; - if (likely(bd->props->update_status)) - bd->props->update_status(bd); + bd->props.brightness = brightness; + backlight_update_status(bd); rc = count; } } - up(&bd->sem); + mutex_unlock(&bd->ops_lock); return rc; } static ssize_t backlight_show_max_brightness(struct class_device *cdev, char *buf) { - int rc = -ENXIO; struct backlight_device *bd = to_backlight_device(cdev); - down(&bd->sem); - if (likely(bd->props)) - rc = sprintf(buf, "%d\n", bd->props->max_brightness); - up(&bd->sem); - - return rc; + return sprintf(buf, "%d\n", bd->props.max_brightness); } static ssize_t backlight_show_actual_brightness(struct class_device *cdev, @@ -169,10 +151,10 @@ static ssize_t backlight_show_actual_brightness(struct class_device *cdev, int rc = -ENXIO; struct backlight_device *bd = to_backlight_device(cdev); - down(&bd->sem); - if (likely(bd->props && bd->props->get_brightness)) - rc = sprintf(buf, "%d\n", bd->props->get_brightness(bd)); - up(&bd->sem); + mutex_lock(&bd->ops_lock); + if (bd->ops && bd->ops->get_brightness) + rc = sprintf(buf, "%d\n", bd->ops->get_brightness(bd)); + mutex_unlock(&bd->ops_lock); return rc; } @@ -211,7 +193,7 @@ static const struct class_device_attribute bl_class_device_attributes[] = { * respective framebuffer device). * @devdata: an optional pointer to be stored in the class_device. The * methods may retrieve it by using class_get_devdata(&bd->class_dev). - * @bp: the backlight properties structure. + * @ops: the backlight operations structure. * * Creates and registers new backlight class_device. Returns either an * ERR_PTR() or a pointer to the newly allocated device. @@ -219,39 +201,42 @@ static const struct class_device_attribute bl_class_device_attributes[] = { struct backlight_device *backlight_device_register(const char *name, struct device *dev, void *devdata, - struct backlight_properties *bp) + struct backlight_ops *ops) { int i, rc; struct backlight_device *new_bd; pr_debug("backlight_device_alloc: name=%s\n", name); - new_bd = kmalloc(sizeof(struct backlight_device), GFP_KERNEL); - if (unlikely(!new_bd)) + new_bd = kzalloc(sizeof(struct backlight_device), GFP_KERNEL); + if (!new_bd) return ERR_PTR(-ENOMEM); - init_MUTEX(&new_bd->sem); - new_bd->props = bp; - memset(&new_bd->class_dev, 0, sizeof(new_bd->class_dev)); + mutex_init(&new_bd->update_lock); + mutex_init(&new_bd->ops_lock); + new_bd->ops = ops; new_bd->class_dev.class = &backlight_class; new_bd->class_dev.dev = dev; strlcpy(new_bd->class_dev.class_id, name, KOBJ_NAME_LEN); class_set_devdata(&new_bd->class_dev, devdata); rc = class_device_register(&new_bd->class_dev); - if (unlikely(rc)) { -error: kfree(new_bd); + if (rc) { + kfree(new_bd); return ERR_PTR(rc); } rc = backlight_register_fb(new_bd); - if (unlikely(rc)) - goto error; + if (rc) { + class_device_unregister(&new_bd->class_dev); + return ERR_PTR(rc); + } + for (i = 0; i < ARRAY_SIZE(bl_class_device_attributes); i++) { rc = class_device_create_file(&new_bd->class_dev, &bl_class_device_attributes[i]); - if (unlikely(rc)) { + if (rc) { while (--i >= 0) class_device_remove_file(&new_bd->class_dev, &bl_class_device_attributes[i]); @@ -261,6 +246,13 @@ error: kfree(new_bd); } } +#ifdef CONFIG_PMAC_BACKLIGHT + mutex_lock(&pmac_backlight_mutex); + if (!pmac_backlight) + pmac_backlight = new_bd; + mutex_unlock(&pmac_backlight_mutex); +#endif + return new_bd; } EXPORT_SYMBOL(backlight_device_register); @@ -280,13 +272,20 @@ void backlight_device_unregister(struct backlight_device *bd) pr_debug("backlight_device_unregister: name=%s\n", bd->class_dev.class_id); +#ifdef CONFIG_PMAC_BACKLIGHT + mutex_lock(&pmac_backlight_mutex); + if (pmac_backlight == bd) + pmac_backlight = NULL; + mutex_unlock(&pmac_backlight_mutex); +#endif + for (i = 0; i < ARRAY_SIZE(bl_class_device_attributes); i++) class_device_remove_file(&bd->class_dev, &bl_class_device_attributes[i]); - down(&bd->sem); - bd->props = NULL; - up(&bd->sem); + mutex_lock(&bd->ops_lock); + bd->ops = NULL; + mutex_unlock(&bd->ops_lock); backlight_unregister_fb(bd); diff --git a/drivers/video/backlight/corgi_bl.c b/drivers/video/backlight/corgi_bl.c index fde1d951812..ce00e18a4e5 100644 --- a/drivers/video/backlight/corgi_bl.c +++ b/drivers/video/backlight/corgi_bl.c @@ -22,7 +22,6 @@ #include <asm/hardware/sharpsl_pm.h> static int corgibl_intensity; -static DEFINE_MUTEX(bl_mutex); static struct backlight_properties corgibl_data; static struct backlight_device *corgi_backlight_device; static struct corgibl_machinfo *bl_machinfo; @@ -34,20 +33,18 @@ static unsigned long corgibl_flags; static int corgibl_send_intensity(struct backlight_device *bd) { void (*corgi_kick_batt)(void); - int intensity = bd->props->brightness; + int intensity = bd->props.brightness; - if (bd->props->power != FB_BLANK_UNBLANK) + if (bd->props.power != FB_BLANK_UNBLANK) intensity = 0; - if (bd->props->fb_blank != FB_BLANK_UNBLANK) + if (bd->props.fb_blank != FB_BLANK_UNBLANK) intensity = 0; if (corgibl_flags & CORGIBL_SUSPENDED) intensity = 0; if (corgibl_flags & CORGIBL_BATTLOW) intensity &= bl_machinfo->limit_mask; - mutex_lock(&bl_mutex); bl_machinfo->set_bl_intensity(intensity); - mutex_unlock(&bl_mutex); corgibl_intensity = intensity; @@ -61,17 +58,21 @@ static int corgibl_send_intensity(struct backlight_device *bd) } #ifdef CONFIG_PM -static int corgibl_suspend(struct platform_device *dev, pm_message_t state) +static int corgibl_suspend(struct platform_device *pdev, pm_message_t state) { + struct backlight_device *bd = platform_get_drvdata(pdev); + corgibl_flags |= CORGIBL_SUSPENDED; - corgibl_send_intensity(corgi_backlight_device); + backlight_update_status(bd); return 0; } -static int corgibl_resume(struct platform_device *dev) +static int corgibl_resume(struct platform_device *pdev) { + struct backlight_device *bd = platform_get_drvdata(pdev); + corgibl_flags &= ~CORGIBL_SUSPENDED; - corgibl_send_intensity(corgi_backlight_device); + backlight_update_status(bd); return 0; } #else @@ -84,12 +85,6 @@ static int corgibl_get_intensity(struct backlight_device *bd) return corgibl_intensity; } -static int corgibl_set_intensity(struct backlight_device *bd) -{ - corgibl_send_intensity(corgi_backlight_device); - return 0; -} - /* * Called when the battery is low to limit the backlight intensity. * If limit==0 clear any limit, otherwise limit the intensity @@ -100,15 +95,14 @@ void corgibl_limit_intensity(int limit) corgibl_flags |= CORGIBL_BATTLOW; else corgibl_flags &= ~CORGIBL_BATTLOW; - corgibl_send_intensity(corgi_backlight_device); + backlight_update_status(corgi_backlight_device); } EXPORT_SYMBOL(corgibl_limit_intensity); -static struct backlight_properties corgibl_data = { - .owner = THIS_MODULE, +static struct backlight_ops corgibl_ops = { .get_brightness = corgibl_get_intensity, - .update_status = corgibl_set_intensity, + .update_status = corgibl_send_intensity, }; static int corgibl_probe(struct platform_device *pdev) @@ -116,30 +110,34 @@ static int corgibl_probe(struct platform_device *pdev) struct corgibl_machinfo *machinfo = pdev->dev.platform_data; bl_machinfo = machinfo; - corgibl_data.max_brightness = machinfo->max_intensity; if (!machinfo->limit_mask) machinfo->limit_mask = -1; corgi_backlight_device = backlight_device_register ("corgi-bl", - &pdev->dev, NULL, &corgibl_data); + &pdev->dev, NULL, &corgibl_ops); if (IS_ERR (corgi_backlight_device)) return PTR_ERR (corgi_backlight_device); - corgibl_data.power = FB_BLANK_UNBLANK; - corgibl_data.brightness = machinfo->default_intensity; - corgibl_send_intensity(corgi_backlight_device); + platform_set_drvdata(pdev, corgi_backlight_device); + + corgi_backlight_device->props.max_brightness = machinfo->max_intensity; + corgi_backlight_device->props.power = FB_BLANK_UNBLANK; + corgi_backlight_device->props.brightness = machinfo->default_intensity; + backlight_update_status(corgi_backlight_device); printk("Corgi Backlight Driver Initialized.\n"); return 0; } -static int corgibl_remove(struct platform_device *dev) +static int corgibl_remove(struct platform_device *pdev) { + struct backlight_device *bd = platform_get_drvdata(pdev); + corgibl_data.power = 0; corgibl_data.brightness = 0; - corgibl_send_intensity(corgi_backlight_device); + backlight_update_status(bd); - backlight_device_unregister(corgi_backlight_device); + backlight_device_unregister(bd); printk("Corgi Backlight Driver Unloaded\n"); return 0; diff --git a/drivers/video/backlight/hp680_bl.c b/drivers/video/backlight/hp680_bl.c index c07d8207fb5..0899fccbd57 100644 --- a/drivers/video/backlight/hp680_bl.c +++ b/drivers/video/backlight/hp680_bl.c @@ -28,17 +28,16 @@ static int hp680bl_suspended; static int current_intensity = 0; static DEFINE_SPINLOCK(bl_lock); -static struct backlight_device *hp680_backlight_device; static void hp680bl_send_intensity(struct backlight_device *bd) { unsigned long flags; u16 v; - int intensity = bd->props->brightness; + int intensity = bd->props.brightness; - if (bd->props->power != FB_BLANK_UNBLANK) + if (bd->props.power != FB_BLANK_UNBLANK) intensity = 0; - if (bd->props->fb_blank != FB_BLANK_UNBLANK) + if (bd->props.fb_blank != FB_BLANK_UNBLANK) intensity = 0; if (hp680bl_suspended) intensity = 0; @@ -66,17 +65,21 @@ static void hp680bl_send_intensity(struct backlight_device *bd) #ifdef CONFIG_PM -static int hp680bl_suspend(struct platform_device *dev, pm_message_t state) +static int hp680bl_suspend(struct platform_device *pdev, pm_message_t state) { + struct backlight_device *bd = platform_get_drvdata(pdev); + hp680bl_suspended = 1; - hp680bl_send_intensity(hp680_backlight_device); + hp680bl_send_intensity(bd); return 0; } -static int hp680bl_resume(struct platform_device *dev) +static int hp680bl_resume(struct platform_device *pdev) { + struct backlight_device *bd = platform_get_drvdata(pdev); + hp680bl_suspended = 0; - hp680bl_send_intensity(hp680_backlight_device); + hp680bl_send_intensity(bd); return 0; } #else @@ -95,33 +98,38 @@ static int hp680bl_get_intensity(struct backlight_device *bd) return current_intensity; } -static struct backlight_properties hp680bl_data = { - .owner = THIS_MODULE, - .max_brightness = HP680_MAX_INTENSITY, +static struct backlight_ops hp680bl_ops = { .get_brightness = hp680bl_get_intensity, .update_status = hp680bl_set_intensity, }; -static int __init hp680bl_probe(struct platform_device *dev) +static int __init hp680bl_probe(struct platform_device *pdev) { - hp680_backlight_device = backlight_device_register ("hp680-bl", - &dev->dev, NULL, &hp680bl_data); - if (IS_ERR (hp680_backlight_device)) - return PTR_ERR (hp680_backlight_device); + struct backlight_device *bd; + + bd = backlight_device_register ("hp680-bl", &pdev->dev, NULL, + &hp680bl_ops); + if (IS_ERR(bd)) + return PTR_ERR(bd); - hp680_backlight_device->props->brightness = HP680_DEFAULT_INTENSITY; - hp680bl_send_intensity(hp680_backlight_device); + platform_set_drvdata(pdev, bd); + + bd->props.max_brightness = HP680_MAX_INTENSITY; + bd->props.brightness = HP680_DEFAULT_INTENSITY; + hp680bl_send_intensity(bd); return 0; } -static int hp680bl_remove(struct platform_device *dev) +static int hp680bl_remove(struct platform_device *pdev) { + struct backlight_device *bd = platform_get_drvdata(pdev); + hp680bl_data.brightness = 0; hp680bl_data.power = 0; - hp680bl_send_intensity(hp680_backlight_device); + hp680bl_send_intensity(bd); - backlight_device_unregister(hp680_backlight_device); + backlight_device_unregister(bd); return 0; } diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c index f6e041627ed..6ef8f0a7a13 100644 --- a/drivers/video/backlight/lcd.c +++ b/drivers/video/backlight/lcd.c @@ -31,11 +31,11 @@ static int fb_notifier_callback(struct notifier_block *self, return 0; ld = container_of(self, struct lcd_device, fb_notif); - down(&ld->sem); - if (ld->props) - if (!ld->props->check_fb || ld->props->check_fb(evdata->info)) - ld->props->set_power(ld, *(int *)evdata->data); - up(&ld->sem); + mutex_lock(&ld->ops_lock); + if (ld->ops) + if (!ld->ops->check_fb || ld->ops->check_fb(evdata->info)) + ld->ops->set_power(ld, *(int *)evdata->data); + mutex_unlock(&ld->ops_lock); return 0; } @@ -66,12 +66,12 @@ static ssize_t lcd_show_power(struct class_device *cdev, char *buf) int rc; struct lcd_device *ld = to_lcd_device(cdev); - down(&ld->sem); - if (likely(ld->props && ld->props->get_power)) - rc = sprintf(buf, "%d\n", ld->props->get_power(ld)); + mutex_lock(&ld->ops_lock); + if (ld->ops && ld->ops->get_power) + rc = sprintf(buf, "%d\n", ld->ops->get_power(ld)); else rc = -ENXIO; - up(&ld->sem); + mutex_unlock(&ld->ops_lock); return rc; } @@ -89,13 +89,13 @@ static ssize_t lcd_store_power(struct class_device *cdev, const char *buf, size_ if (size != count) return -EINVAL; - down(&ld->sem); - if (likely(ld->props && ld->props->set_power)) { + mutex_lock(&ld->ops_lock); + if (ld->ops && ld->ops->set_power) { pr_debug("lcd: set power to %d\n", power); - ld->props->set_power(ld, power); + ld->ops->set_power(ld, power); rc = count; } - up(&ld->sem); + mutex_unlock(&ld->ops_lock); return rc; } @@ -105,10 +105,10 @@ static ssize_t lcd_show_contrast(struct class_device *cdev, char *buf) int rc = -ENXIO; struct lcd_device *ld = to_lcd_device(cdev); - down(&ld->sem); - if (likely(ld->props && ld->props->get_contrast)) - rc = sprintf(buf, "%d\n", ld->props->get_contrast(ld)); - up(&ld->sem); + mutex_lock(&ld->ops_lock); + if (ld->ops && ld->ops->get_contrast) + rc = sprintf(buf, "%d\n", ld->ops->get_contrast(ld)); + mutex_unlock(&ld->ops_lock); return rc; } @@ -126,28 +126,22 @@ static ssize_t lcd_store_contrast(struct class_device *cdev, const char *buf, si if (size != count) return -EINVAL; - down(&ld->sem); - if (likely(ld->props && ld->props->set_contrast)) { + mutex_lock(&ld->ops_lock); + if (ld->ops && ld->ops->set_contrast) { pr_debug("lcd: set contrast to %d\n", contrast); - ld->props->set_contrast(ld, contrast); + ld->ops->set_contrast(ld, contrast); rc = count; } - up(&ld->sem); + mutex_unlock(&ld->ops_lock); return rc; } static ssize_t lcd_show_max_contrast(struct class_device *cdev, char *buf) { - int rc = -ENXIO; struct lcd_device *ld = to_lcd_device(cdev); - down(&ld->sem); - if (likely(ld->props)) - rc = sprintf(buf, "%d\n", ld->props->max_contrast); - up(&ld->sem); - - return rc; + return sprintf(buf, "%d\n", ld->props.max_contrast); } static void lcd_class_release(struct class_device *dev) @@ -180,45 +174,46 @@ static const struct class_device_attribute lcd_class_device_attributes[] = { * respective framebuffer device). * @devdata: an optional pointer to be stored in the class_device. The * methods may retrieve it by using class_get_devdata(ld->class_dev). - * @lp: the lcd properties structure. + * @ops: the lcd operations structure. * * Creates and registers a new lcd class_device. Returns either an ERR_PTR() * or a pointer to the newly allocated device. */ struct lcd_device *lcd_device_register(const char *name, void *devdata, - struct lcd_properties *lp) + struct lcd_ops *ops) { int i, rc; struct lcd_device *new_ld; pr_debug("lcd_device_register: name=%s\n", name); - new_ld = kmalloc(sizeof(struct lcd_device), GFP_KERNEL); - if (unlikely(!new_ld)) + new_ld = kzalloc(sizeof(struct lcd_device), GFP_KERNEL); + if (!new_ld) return ERR_PTR(-ENOMEM); - init_MUTEX(&new_ld->sem); - new_ld->props = lp; - memset(&new_ld->class_dev, 0, sizeof(new_ld->class_dev)); + mutex_init(&new_ld->ops_lock); + mutex_init(&new_ld->update_lock); + new_ld->ops = ops; new_ld->class_dev.class = &lcd_class; strlcpy(new_ld->class_dev.class_id, name, KOBJ_NAME_LEN); class_set_devdata(&new_ld->class_dev, devdata); rc = class_device_register(&new_ld->class_dev); - if (unlikely(rc)) { -error: kfree(new_ld); + if (rc) { + kfree(new_ld); return ERR_PTR(rc); } rc = lcd_register_fb(new_ld); - - if (unlikely(rc)) - goto error; + if (rc) { + class_device_unregister(&new_ld->class_dev); + return ERR_PTR(rc); + } for (i = 0; i < ARRAY_SIZE(lcd_class_device_attributes); i++) { rc = class_device_create_file(&new_ld->class_dev, &lcd_class_device_attributes[i]); - if (unlikely(rc)) { + if (rc) { while (--i >= 0) class_device_remove_file(&new_ld->class_dev, &lcd_class_device_attributes[i]); @@ -251,9 +246,9 @@ void lcd_device_unregister(struct lcd_device *ld) class_device_remove_file(&ld->class_dev, &lcd_class_device_attributes[i]); - down(&ld->sem); - ld->props = NULL; - up(&ld->sem); + mutex_lock(&ld->ops_lock); + ld->ops = NULL; + mutex_unlock(&ld->ops_lock); lcd_unregister_fb(ld); class_device_unregister(&ld->class_dev); } diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c index fc812d96c31..6b488b8a7ee 100644 --- a/drivers/video/backlight/locomolcd.c +++ b/drivers/video/backlight/locomolcd.c @@ -112,11 +112,11 @@ static int current_intensity; static int locomolcd_set_intensity(struct backlight_device *bd) { - int intensity = bd->props->brightness; + int intensity = bd->props.brightness; - if (bd->props->power != FB_BLANK_UNBLANK) + if (bd->props.power != FB_BLANK_UNBLANK) intensity = 0; - if (bd->props->fb_blank != FB_BLANK_UNBLANK) + if (bd->props.fb_blank != FB_BLANK_UNBLANK) intensity = 0; if (locomolcd_flags & LOCOMOLCD_SUSPENDED) intensity = 0; @@ -141,11 +141,9 @@ static int locomolcd_get_intensity(struct backlight_device *bd) return current_intensity; } -static struct backlight_properties locomobl_data = { - .owner = THIS_MODULE, +static struct backlight_ops locomobl_data = { .get_brightness = locomolcd_get_intensity, .update_status = locomolcd_set_intensity, - .max_brightness = 4, }; #ifdef CONFIG_PM @@ -190,7 +188,8 @@ static int locomolcd_probe(struct locomo_dev *ldev) return PTR_ERR (locomolcd_bl_device); /* Set up frontlight so that screen is readable */ - locomobl_data.brightness = 2; + locomolcd_bl_device->props.max_brightness = 4, + locomolcd_bl_device->props.brightness = 2; locomolcd_set_intensity(locomolcd_bl_device); return 0; @@ -200,8 +199,8 @@ static int locomolcd_remove(struct locomo_dev *dev) { unsigned long flags; - locomobl_data.brightness = 0; - locomobl_data.power = 0; + locomolcd_bl_device->props.brightness = 0; + locomolcd_bl_device->props.power = 0; locomolcd_set_intensity(locomolcd_bl_device); backlight_device_unregister(locomolcd_bl_device); diff --git a/drivers/video/backlight/progear_bl.c b/drivers/video/backlight/progear_bl.c new file mode 100644 index 00000000000..836ab4df0ef --- /dev/null +++ b/drivers/video/backlight/progear_bl.c @@ -0,0 +1,153 @@ +/* + * Backlight Driver for Frontpath ProGear HX1050+ + * + * Copyright (c) 2006 Marcin Juszkiewicz + * + * Based on Progear LCD driver by M Schacht + * <mschacht at alumni dot washington dot edu> + * + * Based on Sharp's Corgi Backlight Driver + * Based on Backlight Driver for HP Jornada 680 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mutex.h> +#include <linux/fb.h> +#include <linux/backlight.h> +#include <linux/pci.h> +#include <asm/uaccess.h> + +#define PMU_LPCR 0xB0 +#define SB_MPS1 0x61 +#define HW_LEVEL_MAX 0x77 +#define HW_LEVEL_MIN 0x4f + +static struct pci_dev *pmu_dev = NULL; +static struct pci_dev *sb_dev = NULL; + +static int progearbl_set_intensity(struct backlight_device *bd) +{ + int intensity = bd->props.brightness; + + if (bd->props.power != FB_BLANK_UNBLANK) + intensity = 0; + if (bd->props.fb_blank != FB_BLANK_UNBLANK) + intensity = 0; + + pci_write_config_byte(pmu_dev, PMU_LPCR, intensity + HW_LEVEL_MIN); + + return 0; +} + +static int progearbl_get_intensity(struct backlight_device *bd) +{ + u8 intensity; + pci_read_config_byte(pmu_dev, PMU_LPCR, &intensity); + + return intensity - HW_LEVEL_MIN; +} + +static struct backlight_ops progearbl_ops = { + .get_brightness = progearbl_get_intensity, + .update_status = progearbl_set_intensity, +}; + +static int progearbl_probe(struct platform_device *pdev) +{ + u8 temp; + struct backlight_device *progear_backlight_device; + + pmu_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101, NULL); + if (!pmu_dev) { + printk("ALI M7101 PMU not found.\n"); + return -ENODEV; + } + + sb_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); + if (!sb_dev) { + printk("ALI 1533 SB not found.\n"); + pci_dev_put(pmu_dev); + return -ENODEV; + } + + /* Set SB_MPS1 to enable brightness control. */ + pci_read_config_byte(sb_dev, SB_MPS1, &temp); + pci_write_config_byte(sb_dev, SB_MPS1, temp | 0x20); + + progear_backlight_device = backlight_device_register("progear-bl", + &pdev->dev, NULL, + &progearbl_ops); + if (IS_ERR(progear_backlight_device)) + return PTR_ERR(progear_backlight_device); + + platform_set_drvdata(pdev, progear_backlight_device); + + progear_backlight_device->props.power = FB_BLANK_UNBLANK; + progear_backlight_device->props.brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; + progear_backlight_device->props.max_brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; + progearbl_set_intensity(progear_backlight_device); + + return 0; +} + +static int progearbl_remove(struct platform_device *pdev) +{ + struct backlight_device *bd = platform_get_drvdata(pdev); + backlight_device_unregister(bd); + + return 0; +} + +static struct platform_driver progearbl_driver = { + .probe = progearbl_probe, + .remove = progearbl_remove, + .driver = { + .name = "progear-bl", + }, +}; + +static struct platform_device *progearbl_device; + +static int __init progearbl_init(void) +{ + int ret = platform_driver_register(&progearbl_driver); + + if (!ret) { + progearbl_device = platform_device_alloc("progear-bl", -1); + if (!progearbl_device) + return -ENOMEM; + + ret = platform_device_add(progearbl_device); + + if (ret) { + platform_device_put(progearbl_device); + platform_driver_unregister(&progearbl_driver); + } + } + + return ret; +} + +static void __exit progearbl_exit(void) +{ + pci_dev_put(pmu_dev); + pci_dev_put(sb_dev); + + platform_device_unregister(progearbl_device); + platform_driver_unregister(&progearbl_driver); +} + +module_init(progearbl_init); +module_exit(progearbl_exit); + +MODULE_AUTHOR("Marcin Juszkiewicz <linux@hrw.one.pl>"); +MODULE_DESCRIPTION("ProGear Backlight Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/bw2.c b/drivers/video/bw2.c index 9bb6257d691..b0b2e40bbd9 100644 --- a/drivers/video/bw2.c +++ b/drivers/video/bw2.c @@ -186,8 +186,7 @@ static int bw2_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) * Initialisation */ -static void -bw2_init_fix(struct fb_info *info, int linebytes) +static void __devinit bw2_init_fix(struct fb_info *info, int linebytes) { strlcpy(info->fix.id, "bwtwo", sizeof(info->fix.id)); @@ -199,43 +198,44 @@ bw2_init_fix(struct fb_info *info, int linebytes) info->fix.accel = FB_ACCEL_SUN_BWTWO; } -static u8 bw2regs_1600[] __initdata = { +static u8 bw2regs_1600[] __devinitdata = { 0x14, 0x8b, 0x15, 0x28, 0x16, 0x03, 0x17, 0x13, 0x18, 0x7b, 0x19, 0x05, 0x1a, 0x34, 0x1b, 0x2e, 0x1c, 0x00, 0x1d, 0x0a, 0x1e, 0xff, 0x1f, 0x01, 0x10, 0x21, 0 }; -static u8 bw2regs_ecl[] __initdata = { +static u8 bw2regs_ecl[] __devinitdata = { 0x14, 0x65, 0x15, 0x1e, 0x16, 0x04, 0x17, 0x0c, 0x18, 0x5e, 0x19, 0x03, 0x1a, 0xa7, 0x1b, 0x23, 0x1c, 0x00, 0x1d, 0x08, 0x1e, 0xff, 0x1f, 0x01, 0x10, 0x20, 0 }; -static u8 bw2regs_analog[] __initdata = { +static u8 bw2regs_analog[] __devinitdata = { 0x14, 0xbb, 0x15, 0x2b, 0x16, 0x03, 0x17, 0x13, 0x18, 0xb0, 0x19, 0x03, 0x1a, 0xa6, 0x1b, 0x22, 0x1c, 0x01, 0x1d, 0x05, 0x1e, 0xff, 0x1f, 0x01, 0x10, 0x20, 0 }; -static u8 bw2regs_76hz[] __initdata = { +static u8 bw2regs_76hz[] __devinitdata = { 0x14, 0xb7, 0x15, 0x27, 0x16, 0x03, 0x17, 0x0f, 0x18, 0xae, 0x19, 0x03, 0x1a, 0xae, 0x1b, 0x2a, 0x1c, 0x01, 0x1d, 0x09, 0x1e, 0xff, 0x1f, 0x01, 0x10, 0x24, 0 }; -static u8 bw2regs_66hz[] __initdata = { +static u8 bw2regs_66hz[] __devinitdata = { 0x14, 0xbb, 0x15, 0x2b, 0x16, 0x04, 0x17, 0x14, 0x18, 0xae, 0x19, 0x03, 0x1a, 0xa8, 0x1b, 0x24, 0x1c, 0x01, 0x1d, 0x05, 0x1e, 0xff, 0x1f, 0x01, 0x10, 0x20, 0 }; -static void bw2_do_default_mode(struct bw2_par *par, struct fb_info *info, - int *linebytes) +static void __devinit bw2_do_default_mode(struct bw2_par *par, + struct fb_info *info, + int *linebytes) { u8 status, mon; u8 *p; diff --git a/drivers/video/cg14.c b/drivers/video/cg14.c index ec6a51a5822..b071bb632b9 100644 --- a/drivers/video/cg14.c +++ b/drivers/video/cg14.c @@ -354,7 +354,8 @@ static int cg14_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) * Initialisation */ -static void cg14_init_fix(struct fb_info *info, int linebytes, struct device_node *dp) +static void __devinit cg14_init_fix(struct fb_info *info, int linebytes, + struct device_node *dp) { const char *name = dp->name; @@ -368,7 +369,7 @@ static void cg14_init_fix(struct fb_info *info, int linebytes, struct device_nod info->fix.accel = FB_ACCEL_SUN_CG14; } -static struct sbus_mmap_map __cg14_mmap_map[CG14_MMAP_ENTRIES] __initdata = { +static struct sbus_mmap_map __cg14_mmap_map[CG14_MMAP_ENTRIES] __devinitdata = { { .voff = CG14_REGS, .poff = 0x80000000, diff --git a/drivers/video/cg3.c b/drivers/video/cg3.c index ada6f7e3a89..f042428a84f 100644 --- a/drivers/video/cg3.c +++ b/drivers/video/cg3.c @@ -186,8 +186,7 @@ static int cg3_setcolreg(unsigned regno, * @blank_mode: the blank mode we want. * @info: frame buffer structure that represents a single frame buffer */ -static int -cg3_blank(int blank, struct fb_info *info) +static int cg3_blank(int blank, struct fb_info *info) { struct cg3_par *par = (struct cg3_par *) info->par; struct cg3_regs __iomem *regs = par->regs; @@ -251,8 +250,8 @@ static int cg3_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) * Initialisation */ -static void -cg3_init_fix(struct fb_info *info, int linebytes, struct device_node *dp) +static void __devinit cg3_init_fix(struct fb_info *info, int linebytes, + struct device_node *dp) { strlcpy(info->fix.id, dp->name, sizeof(info->fix.id)); @@ -264,10 +263,10 @@ cg3_init_fix(struct fb_info *info, int linebytes, struct device_node *dp) info->fix.accel = FB_ACCEL_SUN_CGTHREE; } -static void cg3_rdi_maybe_fixup_var(struct fb_var_screeninfo *var, - struct device_node *dp) +static void __devinit cg3_rdi_maybe_fixup_var(struct fb_var_screeninfo *var, + struct device_node *dp) { - char *params; + const char *params; char *p; int ww, hh; @@ -287,36 +286,36 @@ static void cg3_rdi_maybe_fixup_var(struct fb_var_screeninfo *var, } } -static u8 cg3regvals_66hz[] __initdata = { /* 1152 x 900, 66 Hz */ +static u8 cg3regvals_66hz[] __devinitdata = { /* 1152 x 900, 66 Hz */ 0x14, 0xbb, 0x15, 0x2b, 0x16, 0x04, 0x17, 0x14, 0x18, 0xae, 0x19, 0x03, 0x1a, 0xa8, 0x1b, 0x24, 0x1c, 0x01, 0x1d, 0x05, 0x1e, 0xff, 0x1f, 0x01, 0x10, 0x20, 0 }; -static u8 cg3regvals_76hz[] __initdata = { /* 1152 x 900, 76 Hz */ +static u8 cg3regvals_76hz[] __devinitdata = { /* 1152 x 900, 76 Hz */ 0x14, 0xb7, 0x15, 0x27, 0x16, 0x03, 0x17, 0x0f, 0x18, 0xae, 0x19, 0x03, 0x1a, 0xae, 0x1b, 0x2a, 0x1c, 0x01, 0x1d, 0x09, 0x1e, 0xff, 0x1f, 0x01, 0x10, 0x24, 0 }; -static u8 cg3regvals_rdi[] __initdata = { /* 640 x 480, cgRDI */ +static u8 cg3regvals_rdi[] __devinitdata = { /* 640 x 480, cgRDI */ 0x14, 0x70, 0x15, 0x20, 0x16, 0x08, 0x17, 0x10, 0x18, 0x06, 0x19, 0x02, 0x1a, 0x31, 0x1b, 0x51, 0x1c, 0x06, 0x1d, 0x0c, 0x1e, 0xff, 0x1f, 0x01, 0x10, 0x22, 0 }; -static u8 *cg3_regvals[] __initdata = { +static u8 *cg3_regvals[] __devinitdata = { cg3regvals_66hz, cg3regvals_76hz, cg3regvals_rdi }; -static u_char cg3_dacvals[] __initdata = { +static u_char cg3_dacvals[] __devinitdata = { 4, 0xff, 5, 0x00, 6, 0x70, 7, 0x00, 0 }; -static void cg3_do_default_mode(struct cg3_par *par) +static void __devinit cg3_do_default_mode(struct cg3_par *par) { enum cg3_type type; u8 *p; @@ -433,7 +432,8 @@ static int __devinit cg3_init_one(struct of_device *op) return 0; } -static int __devinit cg3_probe(struct of_device *dev, const struct of_device_id *match) +static int __devinit cg3_probe(struct of_device *dev, + const struct of_device_id *match) { struct of_device *op = to_of_device(&dev->dev); diff --git a/drivers/video/chipsfb.c b/drivers/video/chipsfb.c index 73cb426bf2d..af313bf1a2d 100644 --- a/drivers/video/chipsfb.c +++ b/drivers/video/chipsfb.c @@ -145,26 +145,6 @@ static int chipsfb_set_par(struct fb_info *info) static int chipsfb_blank(int blank, struct fb_info *info) { -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_lock(&pmac_backlight_mutex); - - if (pmac_backlight) { - /* used to disable backlight only for blank > 1, but it seems - * useful at blank = 1 too (saves battery, extends backlight - * life) - */ - down(&pmac_backlight->sem); - if (blank) - pmac_backlight->props->power = FB_BLANK_POWERDOWN; - else - pmac_backlight->props->power = FB_BLANK_UNBLANK; - pmac_backlight->props->update_status(pmac_backlight); - up(&pmac_backlight->sem); - } - - mutex_unlock(&pmac_backlight_mutex); -#endif /* CONFIG_PMAC_BACKLIGHT */ - return 1; /* get fb_blank to set the colormap to all black */ } @@ -415,10 +395,8 @@ chipsfb_pci_init(struct pci_dev *dp, const struct pci_device_id *ent) /* turn on the backlight */ mutex_lock(&pmac_backlight_mutex); if (pmac_backlight) { - down(&pmac_backlight->sem); - pmac_backlight->props->power = FB_BLANK_UNBLANK; - pmac_backlight->props->update_status(pmac_backlight); - up(&pmac_backlight->sem); + pmac_backlight->props.power = FB_BLANK_UNBLANK; + backlight_update_status(pmac_backlight); } mutex_unlock(&pmac_backlight_mutex); #endif /* CONFIG_PMAC_BACKLIGHT */ diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index be3f2c3f132..0429fd2cece 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -2233,6 +2233,8 @@ static int fbcon_switch(struct vc_data *vc) static void fbcon_generic_blank(struct vc_data *vc, struct fb_info *info, int blank) { + struct fb_event event; + if (blank) { unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; @@ -2243,6 +2245,11 @@ static void fbcon_generic_blank(struct vc_data *vc, struct fb_info *info, fbcon_clear(vc, 0, 0, vc->vc_rows, vc->vc_cols); vc->vc_video_erase_char = oldc; } + + + event.info = info; + event.data = ␣ + fb_notifier_call_chain(FB_EVENT_CONBLANK, &event); } static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch) diff --git a/drivers/video/controlfb.c b/drivers/video/controlfb.c index fd60dba294d..8b762739b1e 100644 --- a/drivers/video/controlfb.c +++ b/drivers/video/controlfb.c @@ -179,12 +179,14 @@ MODULE_LICENSE("GPL"); int init_module(void) { struct device_node *dp; + int ret = -ENXIO; - dp = find_devices("control"); + dp = of_find_node_by_name(NULL, "control"); if (dp != 0 && !control_of_init(dp)) - return 0; + ret = 0; + of_node_put(dp); - return -ENXIO; + return ret; } void cleanup_module(void) @@ -589,16 +591,18 @@ static int __init control_init(void) { struct device_node *dp; char *option = NULL; + int ret = -ENXIO; if (fb_get_options("controlfb", &option)) return -ENODEV; control_setup(option); - dp = find_devices("control"); + dp = of_find_node_by_name(NULL, "control"); if (dp != 0 && !control_of_init(dp)) - return 0; + ret = 0; + of_node_put(dp); - return -ENXIO; + return ret; } module_init(control_init); diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c index 818fb09105f..40c80c8190e 100644 --- a/drivers/video/fbsysfs.c +++ b/drivers/video/fbsysfs.c @@ -59,7 +59,7 @@ struct fb_info *framebuffer_alloc(size_t size, struct device *dev) info->device = dev; #ifdef CONFIG_FB_BACKLIGHT - mutex_init(&info->bl_mutex); + mutex_init(&info->bl_curve_mutex); #endif return info; @@ -445,10 +445,10 @@ static ssize_t store_bl_curve(struct device *device, /* If there has been an error in the input data, we won't * reach this loop. */ - mutex_lock(&fb_info->bl_mutex); + mutex_lock(&fb_info->bl_curve_mutex); for (i = 0; i < FB_BACKLIGHT_LEVELS; ++i) fb_info->bl_curve[i] = tmp_curve[i]; - mutex_unlock(&fb_info->bl_mutex); + mutex_unlock(&fb_info->bl_curve_mutex); return count; } @@ -466,7 +466,7 @@ static ssize_t show_bl_curve(struct device *device, if (!fb_info || !fb_info->bl_dev) return -ENODEV; - mutex_lock(&fb_info->bl_mutex); + mutex_lock(&fb_info->bl_curve_mutex); for (i = 0; i < FB_BACKLIGHT_LEVELS; i += 8) len += snprintf(&buf[len], PAGE_SIZE, "%02x %02x %02x %02x %02x %02x %02x %02x\n", @@ -478,7 +478,7 @@ static ssize_t show_bl_curve(struct device *device, fb_info->bl_curve[i + 5], fb_info->bl_curve[i + 6], fb_info->bl_curve[i + 7]); - mutex_unlock(&fb_info->bl_mutex); + mutex_unlock(&fb_info->bl_curve_mutex); return len; } @@ -552,6 +552,8 @@ void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max) { unsigned int i, flat, count, range = (max - min); + mutex_lock(&fb_info->bl_curve_mutex); + fb_info->bl_curve[0] = off; for (flat = 1; flat < (FB_BACKLIGHT_LEVELS / 16); ++flat) @@ -560,6 +562,8 @@ void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max) count = FB_BACKLIGHT_LEVELS * 15 / 16; for (i = 0; i < count; ++i) fb_info->bl_curve[flat + i] = min + (range * (i + 1) / count); + + mutex_unlock(&fb_info->bl_curve_mutex); } EXPORT_SYMBOL_GPL(fb_bl_default_curve); #endif diff --git a/drivers/video/ffb.c b/drivers/video/ffb.c index 15854aec318..1d4e8354b56 100644 --- a/drivers/video/ffb.c +++ b/drivers/video/ffb.c @@ -336,14 +336,30 @@ struct ffb_dac { u32 value2; }; +#define FFB_DAC_UCTRL 0x1001 /* User Control */ +#define FFB_DAC_UCTRL_MANREV 0x00000f00 /* 4-bit Manufacturing Revision */ +#define FFB_DAC_UCTRL_MANREV_SHIFT 8 +#define FFB_DAC_TGEN 0x6000 /* Timing Generator */ +#define FFB_DAC_TGEN_VIDE 0x00000001 /* Video Enable */ +#define FFB_DAC_DID 0x8000 /* Device Identification */ +#define FFB_DAC_DID_PNUM 0x0ffff000 /* Device Part Number */ +#define FFB_DAC_DID_PNUM_SHIFT 12 +#define FFB_DAC_DID_REV 0xf0000000 /* Device Revision */ +#define FFB_DAC_DID_REV_SHIFT 28 + +#define FFB_DAC_CUR_CTRL 0x100 +#define FFB_DAC_CUR_CTRL_P0 0x00000001 +#define FFB_DAC_CUR_CTRL_P1 0x00000002 + struct ffb_par { spinlock_t lock; struct ffb_fbc __iomem *fbc; struct ffb_dac __iomem *dac; u32 flags; -#define FFB_FLAG_AFB 0x00000001 -#define FFB_FLAG_BLANKED 0x00000002 +#define FFB_FLAG_AFB 0x00000001 /* AFB m3 or m6 */ +#define FFB_FLAG_BLANKED 0x00000002 /* screen is blanked */ +#define FFB_FLAG_INVCURSOR 0x00000004 /* DAC has inverted cursor logic */ u32 fg_cache __attribute__((aligned (8))); u32 bg_cache; @@ -354,7 +370,6 @@ struct ffb_par { unsigned long physbase; unsigned long fbsize; - int dac_rev; int board_type; }; @@ -426,11 +441,12 @@ static void ffb_switch_from_graph(struct ffb_par *par) FFBWait(par); /* Disable cursor. */ - upa_writel(0x100, &dac->type2); - if (par->dac_rev <= 2) + upa_writel(FFB_DAC_CUR_CTRL, &dac->type2); + if (par->flags & FFB_FLAG_INVCURSOR) upa_writel(0, &dac->value2); else - upa_writel(3, &dac->value2); + upa_writel((FFB_DAC_CUR_CTRL_P0 | + FFB_DAC_CUR_CTRL_P1), &dac->value2); spin_unlock_irqrestore(&par->lock, flags); } @@ -664,18 +680,18 @@ ffb_blank(int blank, struct fb_info *info) struct ffb_par *par = (struct ffb_par *) info->par; struct ffb_dac __iomem *dac = par->dac; unsigned long flags; - u32 tmp; + u32 val; + int i; spin_lock_irqsave(&par->lock, flags); FFBWait(par); + upa_writel(FFB_DAC_TGEN, &dac->type); + val = upa_readl(&dac->value); switch (blank) { case FB_BLANK_UNBLANK: /* Unblanking */ - upa_writel(0x6000, &dac->type); - tmp = (upa_readl(&dac->value) | 0x1); - upa_writel(0x6000, &dac->type); - upa_writel(tmp, &dac->value); + val |= FFB_DAC_TGEN_VIDE; par->flags &= ~FFB_FLAG_BLANKED; break; @@ -683,13 +699,16 @@ ffb_blank(int blank, struct fb_info *info) case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */ case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */ case FB_BLANK_POWERDOWN: /* Poweroff */ - upa_writel(0x6000, &dac->type); - tmp = (upa_readl(&dac->value) & ~0x1); - upa_writel(0x6000, &dac->type); - upa_writel(tmp, &dac->value); + val &= ~FFB_DAC_TGEN_VIDE; par->flags |= FFB_FLAG_BLANKED; break; } + upa_writel(FFB_DAC_TGEN, &dac->type); + upa_writel(val, &dac->value); + for (i = 0; i < 10; i++) { + upa_writel(FFB_DAC_TGEN, &dac->type); + upa_readl(&dac->value); + } spin_unlock_irqrestore(&par->lock, flags); @@ -894,6 +913,7 @@ static int ffb_init_one(struct of_device *op) struct ffb_dac __iomem *dac; struct all_info *all; int err; + u32 dac_pnum, dac_rev, dac_mrev; all = kzalloc(sizeof(*all), GFP_KERNEL); if (!all) @@ -948,17 +968,31 @@ static int ffb_init_one(struct of_device *op) if ((upa_readl(&fbc->ucsr) & FFB_UCSR_ALL_ERRORS) != 0) upa_writel(FFB_UCSR_ALL_ERRORS, &fbc->ucsr); - ffb_switch_from_graph(&all->par); - dac = all->par.dac; - upa_writel(0x8000, &dac->type); - all->par.dac_rev = upa_readl(&dac->value) >> 0x1c; + upa_writel(FFB_DAC_DID, &dac->type); + dac_pnum = upa_readl(&dac->value); + dac_rev = (dac_pnum & FFB_DAC_DID_REV) >> FFB_DAC_DID_REV_SHIFT; + dac_pnum = (dac_pnum & FFB_DAC_DID_PNUM) >> FFB_DAC_DID_PNUM_SHIFT; + + upa_writel(FFB_DAC_UCTRL, &dac->type); + dac_mrev = upa_readl(&dac->value); + dac_mrev = (dac_mrev & FFB_DAC_UCTRL_MANREV) >> + FFB_DAC_UCTRL_MANREV_SHIFT; /* Elite3D has different DAC revision numbering, and no DAC revisions - * have the reversed meaning of cursor enable. + * have the reversed meaning of cursor enable. Otherwise, Pacifica 1 + * ramdacs with manufacturing revision less than 3 have inverted + * cursor logic. We identify Pacifica 1 as not Pacifica 2, the + * latter having a part number value of 0x236e. */ - if (all->par.flags & FFB_FLAG_AFB) - all->par.dac_rev = 10; + if ((all->par.flags & FFB_FLAG_AFB) || dac_pnum == 0x236e) { + all->par.flags &= ~FFB_FLAG_INVCURSOR; + } else { + if (dac_mrev < 3) + all->par.flags |= FFB_FLAG_INVCURSOR; + } + + ffb_switch_from_graph(&all->par); /* Unblank it just to be sure. When there are multiple * FFB/AFB cards in the system, or it is not the OBP @@ -993,10 +1027,12 @@ static int ffb_init_one(struct of_device *op) dev_set_drvdata(&op->dev, all); - printk("%s: %s at %016lx, type %d, DAC revision %d\n", + printk("%s: %s at %016lx, type %d, " + "DAC pnum[%x] rev[%d] manuf_rev[%d]\n", dp->full_name, ((all->par.flags & FFB_FLAG_AFB) ? "AFB" : "FFB"), - all->par.physbase, all->par.board_type, all->par.dac_rev); + all->par.physbase, all->par.board_type, + dac_pnum, dac_rev, dac_mrev); return 0; } diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c index ab1b8fe34d6..7e760197cf2 100644 --- a/drivers/video/i810/i810_main.c +++ b/drivers/video/i810/i810_main.c @@ -142,7 +142,7 @@ static int hsync2 __devinitdata; static int vsync1 __devinitdata; static int vsync2 __devinitdata; static int xres __devinitdata; -static int yres __devinitdata; +static int yres; static int vyres __devinitdata; static int sync __devinitdata; static int extvga __devinitdata; diff --git a/drivers/video/igafb.c b/drivers/video/igafb.c index 90592fb5915..eb1a4812ad1 100644 --- a/drivers/video/igafb.c +++ b/drivers/video/igafb.c @@ -44,8 +44,8 @@ #include <asm/io.h> -#ifdef __sparc__ -#include <asm/pbm.h> +#ifdef CONFIG_SPARC +#include <asm/prom.h> #include <asm/pcic.h> #endif @@ -96,7 +96,7 @@ struct fb_var_screeninfo default_var = { .vmode = FB_VMODE_NONINTERLACED }; -#ifdef __sparc__ +#ifdef CONFIG_SPARC struct fb_var_screeninfo default_var_1024x768 __initdata = { /* 1024x768, 75 Hz, Non-Interlaced (78.75 MHz dotclock) */ .xres = 1024, @@ -188,7 +188,7 @@ static inline void iga_outb(struct iga_par *par, unsigned char val, pci_outb(par, val, reg+1); } -#endif /* __sparc__ */ +#endif /* CONFIG_SPARC */ /* * Very important functionality for the JavaEngine1 computer: @@ -217,7 +217,7 @@ static void iga_blank_border(struct iga_par *par) iga_outb(par, 0, IGA_EXT_CNTRL, IGA_IDX_OVERSCAN_COLOR + i); } -#ifdef __sparc__ +#ifdef CONFIG_SPARC static int igafb_mmap(struct fb_info *info, struct vm_area_struct *vma) { @@ -271,7 +271,7 @@ static int igafb_mmap(struct fb_info *info, vma->vm_flags |= VM_IO; return 0; } -#endif /* __sparc__ */ +#endif /* CONFIG_SPARC */ static int igafb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, @@ -323,7 +323,7 @@ static struct fb_ops igafb_ops = { .fb_fillrect = cfb_fillrect, .fb_copyarea = cfb_copyarea, .fb_imageblit = cfb_imageblit, -#ifdef __sparc__ +#ifdef CONFIG_SPARC .fb_mmap = igafb_mmap, #endif }; @@ -424,7 +424,7 @@ int __init igafb_init(void) par->frame_buffer_phys = addr & PCI_BASE_ADDRESS_MEM_MASK; -#ifdef __sparc__ +#ifdef CONFIG_SPARC /* * The following is sparc specific and this is why: * @@ -477,8 +477,8 @@ int __init igafb_init(void) * Set default vmode and cmode from PROM properties. */ { - struct pcidev_cookie *cookie = pdev->sysdata; - int node = cookie->prom_node; + struct device_node *dp = pci_device_to_OF_node(pdev); + int node = dp->node; int width = prom_getintdefault(node, "width", 1024); int height = prom_getintdefault(node, "height", 768); int depth = prom_getintdefault(node, "depth", 8); @@ -534,7 +534,7 @@ int __init igafb_init(void) kfree(info); } -#ifdef __sparc__ +#ifdef CONFIG_SPARC /* * Add /dev/fb mmap values. */ @@ -552,7 +552,7 @@ int __init igafb_init(void) par->mmap_map[1].size = PAGE_SIZE * 2; /* X wants 2 pages */ par->mmap_map[1].prot_mask = SRMMU_CACHE; par->mmap_map[1].prot_flag = SRMMU_WRITE; -#endif /* __sparc__ */ +#endif /* CONFIG_SPARC */ return 0; } diff --git a/drivers/video/nvidia/nv_backlight.c b/drivers/video/nvidia/nv_backlight.c index df934bd2189..43f62d8ee41 100644 --- a/drivers/video/nvidia/nv_backlight.c +++ b/drivers/video/nvidia/nv_backlight.c @@ -12,15 +12,15 @@ #include <linux/backlight.h> #include <linux/fb.h> #include <linux/pci.h> -#include "nv_local.h" -#include "nv_type.h" -#include "nv_proto.h" #ifdef CONFIG_PMAC_BACKLIGHT #include <asm/backlight.h> -#include <asm/machdep.h> #endif +#include "nv_local.h" +#include "nv_type.h" +#include "nv_proto.h" + /* We do not have any information about which values are allowed, thus * we used safe values. */ @@ -28,9 +28,6 @@ #define MAX_LEVEL 0x534 #define LEVEL_STEP ((MAX_LEVEL - MIN_LEVEL) / FB_BACKLIGHT_MAX) -static struct backlight_properties nvidia_bl_data; - -/* Call with fb_info->bl_mutex held */ static int nvidia_bl_get_level_brightness(struct nvidia_par *par, int level) { @@ -38,6 +35,7 @@ static int nvidia_bl_get_level_brightness(struct nvidia_par *par, int nlevel; /* Get and convert the value */ + /* No locking of bl_curve since we read a single value */ nlevel = MIN_LEVEL + info->bl_curve[level] * LEVEL_STEP; if (nlevel < 0) @@ -50,8 +48,7 @@ static int nvidia_bl_get_level_brightness(struct nvidia_par *par, return nlevel; } -/* Call with fb_info->bl_mutex held */ -static int __nvidia_bl_update_status(struct backlight_device *bd) +static int nvidia_bl_update_status(struct backlight_device *bd) { struct nvidia_par *par = class_get_devdata(&bd->class_dev); u32 tmp_pcrt, tmp_pmc, fpcontrol; @@ -60,11 +57,11 @@ static int __nvidia_bl_update_status(struct backlight_device *bd) if (!par->FlatPanel) return 0; - if (bd->props->power != FB_BLANK_UNBLANK || - bd->props->fb_blank != FB_BLANK_UNBLANK) + if (bd->props.power != FB_BLANK_UNBLANK || + bd->props.fb_blank != FB_BLANK_UNBLANK) level = 0; else - level = bd->props->brightness; + level = bd->props.brightness; tmp_pmc = NV_RD32(par->PMC, 0x10F0) & 0x0000FFFF; tmp_pcrt = NV_RD32(par->PCRTC0, 0x081C) & 0xFFFFFFFC; @@ -85,45 +82,16 @@ static int __nvidia_bl_update_status(struct backlight_device *bd) return 0; } -static int nvidia_bl_update_status(struct backlight_device *bd) -{ - struct nvidia_par *par = class_get_devdata(&bd->class_dev); - struct fb_info *info = pci_get_drvdata(par->pci_dev); - int ret; - - mutex_lock(&info->bl_mutex); - ret = __nvidia_bl_update_status(bd); - mutex_unlock(&info->bl_mutex); - - return ret; -} - static int nvidia_bl_get_brightness(struct backlight_device *bd) { - return bd->props->brightness; + return bd->props.brightness; } -static struct backlight_properties nvidia_bl_data = { - .owner = THIS_MODULE, +static struct backlight_ops nvidia_bl_ops = { .get_brightness = nvidia_bl_get_brightness, .update_status = nvidia_bl_update_status, - .max_brightness = (FB_BACKLIGHT_LEVELS - 1), }; -void nvidia_bl_set_power(struct fb_info *info, int power) -{ - mutex_lock(&info->bl_mutex); - - if (info->bl_dev) { - down(&info->bl_dev->sem); - info->bl_dev->props->power = power; - __nvidia_bl_update_status(info->bl_dev); - up(&info->bl_dev->sem); - } - - mutex_unlock(&info->bl_mutex); -} - void nvidia_bl_init(struct nvidia_par *par) { struct fb_info *info = pci_get_drvdata(par->pci_dev); @@ -141,32 +109,22 @@ void nvidia_bl_init(struct nvidia_par *par) snprintf(name, sizeof(name), "nvidiabl%d", info->node); - bd = backlight_device_register(name, info->dev, par, &nvidia_bl_data); + bd = backlight_device_register(name, info->dev, par, &nvidia_bl_ops); if (IS_ERR(bd)) { info->bl_dev = NULL; printk(KERN_WARNING "nvidia: Backlight registration failed\n"); goto error; } - mutex_lock(&info->bl_mutex); info->bl_dev = bd; fb_bl_default_curve(info, 0, 0x158 * FB_BACKLIGHT_MAX / MAX_LEVEL, 0x534 * FB_BACKLIGHT_MAX / MAX_LEVEL); - mutex_unlock(&info->bl_mutex); - down(&bd->sem); - bd->props->brightness = nvidia_bl_data.max_brightness; - bd->props->power = FB_BLANK_UNBLANK; - bd->props->update_status(bd); - up(&bd->sem); - -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_lock(&pmac_backlight_mutex); - if (!pmac_backlight) - pmac_backlight = bd; - mutex_unlock(&pmac_backlight_mutex); -#endif + bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd->props.brightness = bd->props.max_brightness; + bd->props.power = FB_BLANK_UNBLANK; + backlight_update_status(bd); printk("nvidia: Backlight initialized (%s)\n", name); @@ -179,25 +137,8 @@ error: void nvidia_bl_exit(struct nvidia_par *par) { struct fb_info *info = pci_get_drvdata(par->pci_dev); + struct backlight_device *bd = info->bl_dev; -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_lock(&pmac_backlight_mutex); -#endif - - mutex_lock(&info->bl_mutex); - if (info->bl_dev) { -#ifdef CONFIG_PMAC_BACKLIGHT - if (pmac_backlight == info->bl_dev) - pmac_backlight = NULL; -#endif - - backlight_device_unregister(info->bl_dev); - - printk("nvidia: Backlight unloaded\n"); - } - mutex_unlock(&info->bl_mutex); - -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_unlock(&pmac_backlight_mutex); -#endif + backlight_device_unregister(bd); + printk("nvidia: Backlight unloaded\n"); } diff --git a/drivers/video/nvidia/nv_proto.h b/drivers/video/nvidia/nv_proto.h index 43058d0cf5b..ff5c410355e 100644 --- a/drivers/video/nvidia/nv_proto.h +++ b/drivers/video/nvidia/nv_proto.h @@ -67,11 +67,9 @@ extern int nvidiafb_sync(struct fb_info *info); #ifdef CONFIG_FB_NVIDIA_BACKLIGHT extern void nvidia_bl_init(struct nvidia_par *par); extern void nvidia_bl_exit(struct nvidia_par *par); -extern void nvidia_bl_set_power(struct fb_info *info, int power); #else static inline void nvidia_bl_init(struct nvidia_par *par) {} static inline void nvidia_bl_exit(struct nvidia_par *par) {} -static inline void nvidia_bl_set_power(struct fb_info *info, int power) {} #endif #endif /* __NV_PROTO_H__ */ diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c index 8e5b484db64..b97ec690126 100644 --- a/drivers/video/nvidia/nvidia.c +++ b/drivers/video/nvidia/nvidia.c @@ -83,6 +83,11 @@ static int bpp __devinitdata = 8; #ifdef CONFIG_MTRR static int nomtrr __devinitdata = 0; #endif +#ifdef CONFIG_PMAC_BACKLIGHT +static int backlight __devinitdata = 1; +#else +static int backlight __devinitdata = 0; +#endif static char *mode_option __devinitdata = NULL; @@ -938,8 +943,6 @@ static int nvidiafb_blank(int blank, struct fb_info *info) NVWriteSeq(par, 0x01, tmp); NVWriteCrtc(par, 0x1a, vesa); - nvidia_bl_set_power(info, blank); - NVTRACE_LEAVE(); return 0; @@ -1313,7 +1316,10 @@ static int __devinit nvidiafb_probe(struct pci_dev *pd, nvidia_save_vga(par, &par->SavedReg); pci_set_drvdata(pd, info); - nvidia_bl_init(par); + + if (backlight) + nvidia_bl_init(par); + if (register_framebuffer(info) < 0) { printk(KERN_ERR PFX "error registering nVidia framebuffer\n"); goto err_out_iounmap_fb; @@ -1352,9 +1358,10 @@ static void __devexit nvidiafb_remove(struct pci_dev *pd) NVTRACE_ENTER(); + unregister_framebuffer(info); + nvidia_bl_exit(par); - unregister_framebuffer(info); #ifdef CONFIG_MTRR if (par->mtrr.vram_valid) mtrr_del(par->mtrr.vram, info->fix.smem_start, @@ -1409,6 +1416,8 @@ static int __devinit nvidiafb_setup(char *options) paneltweak = simple_strtoul(this_opt+11, NULL, 0); } else if (!strncmp(this_opt, "vram:", 5)) { vram = simple_strtoul(this_opt+5, NULL, 0); + } else if (!strncmp(this_opt, "backlight:", 10)) { + backlight = simple_strtoul(this_opt+10, NULL, 0); #ifdef CONFIG_MTRR } else if (!strncmp(this_opt, "nomtrr", 6)) { nomtrr = 1; diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c index f2e9b742c92..d7ece8d17a2 100644 --- a/drivers/video/riva/fbdev.c +++ b/drivers/video/riva/fbdev.c @@ -215,6 +215,11 @@ static int noaccel __devinitdata = 0; #ifdef CONFIG_MTRR static int nomtrr __devinitdata = 0; #endif +#ifdef CONFIG_PMAC_BACKLIGHT +static int backlight __devinitdata = 1; +#else +static int backlight __devinitdata = 0; +#endif static char *mode_option __devinitdata = NULL; static int strictmode = 0; @@ -280,9 +285,6 @@ static const struct riva_regs reg_template = { #define MAX_LEVEL 0x534 #define LEVEL_STEP ((MAX_LEVEL - MIN_LEVEL) / FB_BACKLIGHT_MAX) -static struct backlight_properties riva_bl_data; - -/* Call with fb_info->bl_mutex held */ static int riva_bl_get_level_brightness(struct riva_par *par, int level) { @@ -290,6 +292,7 @@ static int riva_bl_get_level_brightness(struct riva_par *par, int nlevel; /* Get and convert the value */ + /* No locking on bl_curve since accessing a single value */ nlevel = MIN_LEVEL + info->bl_curve[level] * LEVEL_STEP; if (nlevel < 0) @@ -302,18 +305,17 @@ static int riva_bl_get_level_brightness(struct riva_par *par, return nlevel; } -/* Call with fb_info->bl_mutex held */ -static int __riva_bl_update_status(struct backlight_device *bd) +static int riva_bl_update_status(struct backlight_device *bd) { struct riva_par *par = class_get_devdata(&bd->class_dev); U032 tmp_pcrt, tmp_pmc; int level; - if (bd->props->power != FB_BLANK_UNBLANK || - bd->props->fb_blank != FB_BLANK_UNBLANK) + if (bd->props.power != FB_BLANK_UNBLANK || + bd->props.fb_blank != FB_BLANK_UNBLANK) level = 0; else - level = bd->props->brightness; + level = bd->props.brightness; tmp_pmc = par->riva.PMC[0x10F0/4] & 0x0000FFFF; tmp_pcrt = par->riva.PCRTC0[0x081C/4] & 0xFFFFFFFC; @@ -328,45 +330,16 @@ static int __riva_bl_update_status(struct backlight_device *bd) return 0; } -static int riva_bl_update_status(struct backlight_device *bd) -{ - struct riva_par *par = class_get_devdata(&bd->class_dev); - struct fb_info *info = pci_get_drvdata(par->pdev); - int ret; - - mutex_lock(&info->bl_mutex); - ret = __riva_bl_update_status(bd); - mutex_unlock(&info->bl_mutex); - - return ret; -} - static int riva_bl_get_brightness(struct backlight_device *bd) { - return bd->props->brightness; + return bd->props.brightness; } -static struct backlight_properties riva_bl_data = { - .owner = THIS_MODULE, +static struct backlight_ops riva_bl_ops = { .get_brightness = riva_bl_get_brightness, .update_status = riva_bl_update_status, - .max_brightness = (FB_BACKLIGHT_LEVELS - 1), }; -static void riva_bl_set_power(struct fb_info *info, int power) -{ - mutex_lock(&info->bl_mutex); - - if (info->bl_dev) { - down(&info->bl_dev->sem); - info->bl_dev->props->power = power; - __riva_bl_update_status(info->bl_dev); - up(&info->bl_dev->sem); - } - - mutex_unlock(&info->bl_mutex); -} - static void riva_bl_init(struct riva_par *par) { struct fb_info *info = pci_get_drvdata(par->pdev); @@ -384,32 +357,22 @@ static void riva_bl_init(struct riva_par *par) snprintf(name, sizeof(name), "rivabl%d", info->node); - bd = backlight_device_register(name, info->dev, par, &riva_bl_data); + bd = backlight_device_register(name, info->dev, par, &riva_bl_ops); if (IS_ERR(bd)) { info->bl_dev = NULL; printk(KERN_WARNING "riva: Backlight registration failed\n"); goto error; } - mutex_lock(&info->bl_mutex); info->bl_dev = bd; fb_bl_default_curve(info, 0, MIN_LEVEL * FB_BACKLIGHT_MAX / MAX_LEVEL, FB_BACKLIGHT_MAX); - mutex_unlock(&info->bl_mutex); - down(&bd->sem); - bd->props->brightness = riva_bl_data.max_brightness; - bd->props->power = FB_BLANK_UNBLANK; - bd->props->update_status(bd); - up(&bd->sem); - -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_lock(&pmac_backlight_mutex); - if (!pmac_backlight) - pmac_backlight = bd; - mutex_unlock(&pmac_backlight_mutex); -#endif + bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd->props.brightness = bd->props.max_brightness; + bd->props.power = FB_BLANK_UNBLANK; + backlight_update_status(bd); printk("riva: Backlight initialized (%s)\n", name); @@ -419,35 +382,16 @@ error: return; } -static void riva_bl_exit(struct riva_par *par) +static void riva_bl_exit(struct fb_info *info) { - struct fb_info *info = pci_get_drvdata(par->pdev); - -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_lock(&pmac_backlight_mutex); -#endif - - mutex_lock(&info->bl_mutex); - if (info->bl_dev) { -#ifdef CONFIG_PMAC_BACKLIGHT - if (pmac_backlight == info->bl_dev) - pmac_backlight = NULL; -#endif - - backlight_device_unregister(info->bl_dev); + struct backlight_device *bd = info->bl_dev; - printk("riva: Backlight unloaded\n"); - } - mutex_unlock(&info->bl_mutex); - -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_unlock(&pmac_backlight_mutex); -#endif + backlight_device_unregister(bd); + printk("riva: Backlight unloaded\n"); } #else static inline void riva_bl_init(struct riva_par *par) {} -static inline void riva_bl_exit(struct riva_par *par) {} -static inline void riva_bl_set_power(struct fb_info *info, int power) {} +static inline void riva_bl_exit(struct fb_info *info) {} #endif /* CONFIG_FB_RIVA_BACKLIGHT */ /* ------------------------------------------------------------------------- * @@ -1348,8 +1292,6 @@ static int rivafb_blank(int blank, struct fb_info *info) SEQout(par, 0x01, tmp); CRTCout(par, 0x1a, vesa); - riva_bl_set_power(info, blank); - NVTRACE_LEAVE(); return 0; @@ -2120,7 +2062,10 @@ static int __devinit rivafb_probe(struct pci_dev *pd, info->monspecs.modedb = NULL; pci_set_drvdata(pd, info); - riva_bl_init(info->par); + + if (backlight) + riva_bl_init(info->par); + ret = register_framebuffer(info); if (ret < 0) { printk(KERN_ERR PFX @@ -2166,14 +2111,15 @@ static void __exit rivafb_remove(struct pci_dev *pd) NVTRACE_ENTER(); - riva_bl_exit(par); - #ifdef CONFIG_FB_RIVA_I2C riva_delete_i2c_busses(par); kfree(par->EDID); #endif unregister_framebuffer(info); + + riva_bl_exit(info); + #ifdef CONFIG_MTRR if (par->mtrr.vram_valid) mtrr_del(par->mtrr.vram, info->fix.smem_start, @@ -2217,6 +2163,8 @@ static int __init rivafb_setup(char *options) forceCRTC = -1; } else if (!strncmp(this_opt, "flatpanel", 9)) { flatpanel = 1; + } else if (!strncmp(this_opt, "backlight:", 10)) { + backlight = simple_strtoul(this_opt+10, NULL, 0); #ifdef CONFIG_MTRR } else if (!strncmp(this_opt, "nomtrr", 6)) { nomtrr = 1; diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c index 3162c37b144..3091b20124b 100644 --- a/drivers/video/s3fb.c +++ b/drivers/video/s3fb.c @@ -1000,11 +1000,12 @@ err_enable_device: static void __devexit s3_pci_remove(struct pci_dev *dev) { struct fb_info *info = pci_get_drvdata(dev); - struct s3fb_info *par = info->par; if (info) { #ifdef CONFIG_MTRR + struct s3fb_info *par = info->par; + if (par->mtrr_reg >= 0) { mtrr_del(par->mtrr_reg, 0, 0); par->mtrr_reg = -1; @@ -1134,11 +1135,11 @@ static int __init s3fb_setup(char *options) if (!*opt) continue; #ifdef CONFIG_MTRR - else if (!strcmp(opt, "mtrr:")) + else if (!strncmp(opt, "mtrr:", 5)) mtrr = simple_strtoul(opt + 5, NULL, 0); #endif - else if (!strcmp(opt, "fasttext:")) - mtrr = simple_strtoul(opt + 9, NULL, 0); + else if (!strncmp(opt, "fasttext:", 9)) + fasttext = simple_strtoul(opt + 9, NULL, 0); else mode = opt; } diff --git a/drivers/video/savage/savagefb_driver.c b/drivers/video/savage/savagefb_driver.c index 4afa30522fd..0166ec2ccf3 100644 --- a/drivers/video/savage/savagefb_driver.c +++ b/drivers/video/savage/savagefb_driver.c @@ -384,6 +384,19 @@ SavageSetup2DEngine(struct savagefb_par *par) BCI_SEND(0); BCI_SEND(BCI_CMD_SETREG | (1 << 16) | BCI_GBD2); BCI_SEND(GlobalBitmapDescriptor); + + /* + * I don't know why, sending this twice fixes the intial black screen, + * prevents X from crashing at least in Toshiba laptops with SavageIX. + * --Tony + */ + par->bci_ptr = 0; + par->SavageWaitFifo(par, 4); + + BCI_SEND(BCI_CMD_SETREG | (1 << 16) | BCI_GBD1); + BCI_SEND(0); + BCI_SEND(BCI_CMD_SETREG | (1 << 16) | BCI_GBD2); + BCI_SEND(GlobalBitmapDescriptor); } static void savagefb_set_clip(struct fb_info *info) @@ -496,7 +509,7 @@ static int common_calc_clock(long freq, int min_m, int min_n1, int max_n1, #ifdef SAVAGEFB_DEBUG /* This function is used to debug, it prints out the contents of s3 regs */ -static void SavagePrintRegs(void) +static void SavagePrintRegs(struct savagefb_par *par) { unsigned char i; int vgaCRIndex = 0x3d4; @@ -1525,7 +1538,7 @@ static int savagefb_set_par(struct fb_info *info) savagefb_set_fix(info); savagefb_set_clip(info); - SavagePrintRegs(); + SavagePrintRegs(par); return 0; } @@ -2155,7 +2168,6 @@ static int __devinit savagefb_probe(struct pci_dev* dev, int video_len; DBG("savagefb_probe"); - SavagePrintRegs(); info = framebuffer_alloc(sizeof(struct savagefb_par), &dev->dev); if (!info) diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c new file mode 100644 index 00000000000..0a44c44672c --- /dev/null +++ b/drivers/video/sm501fb.c @@ -0,0 +1,1786 @@ +/* linux/drivers/video/sm501fb.c + * + * Copyright (c) 2006 Simtec Electronics + * Vincent Sanders <vince@simtec.co.uk> + * Ben Dooks <ben@simtec.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Framebuffer driver for the Silicon Motion SM501 + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/tty.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/init.h> +#include <linux/vmalloc.h> +#include <linux/dma-mapping.h> +#include <linux/interrupt.h> +#include <linux/workqueue.h> +#include <linux/wait.h> +#include <linux/platform_device.h> +#include <linux/clk.h> + +#include <asm/io.h> +#include <asm/uaccess.h> +#include <asm/div64.h> + +#ifdef CONFIG_PM +#include <linux/pm.h> +#endif + +#include <linux/sm501.h> +#include <linux/sm501-regs.h> + +#define NR_PALETTE 256 + +enum sm501_controller { + HEAD_CRT = 0, + HEAD_PANEL = 1, +}; + +/* SM501 memory adress */ +struct sm501_mem { + unsigned long size; + unsigned long sm_addr; + void __iomem *k_addr; +}; + +/* private data that is shared between all frambuffers* */ +struct sm501fb_info { + struct device *dev; + struct fb_info *fb[2]; /* fb info for both heads */ + struct resource *fbmem_res; /* framebuffer resource */ + struct resource *regs_res; /* registers resource */ + struct sm501_platdata_fb *pdata; /* our platform data */ + + int irq; + int swap_endian; /* set to swap rgb=>bgr */ + void __iomem *regs; /* remapped registers */ + void __iomem *fbmem; /* remapped framebuffer */ + size_t fbmem_len; /* length of remapped region */ +}; + +/* per-framebuffer private data */ +struct sm501fb_par { + u32 pseudo_palette[16]; + + enum sm501_controller head; + struct sm501_mem cursor; + struct sm501_mem screen; + struct fb_ops ops; + + void *store_fb; + void *store_cursor; + void __iomem *cursor_regs; + struct sm501fb_info *info; +}; + +/* Helper functions */ + +static inline int h_total(struct fb_var_screeninfo *var) +{ + return var->xres + var->left_margin + + var->right_margin + var->hsync_len; +} + +static inline int v_total(struct fb_var_screeninfo *var) +{ + return var->yres + var->upper_margin + + var->lower_margin + var->vsync_len; +} + +/* sm501fb_sync_regs() + * + * This call is mainly for PCI bus systems where we need to + * ensure that any writes to the bus are completed before the + * next phase, or after completing a function. +*/ + +static inline void sm501fb_sync_regs(struct sm501fb_info *info) +{ + readl(info->regs); +} + +/* sm501_alloc_mem + * + * This is an attempt to lay out memory for the two framebuffers and + * everything else + * + * |fbmem_res->start fbmem_res->end| + * | | + * |fb[0].fix.smem_start | |fb[1].fix.smem_start | 2K | + * |-> fb[0].fix.smem_len <-| spare |-> fb[1].fix.smem_len <-|-> cursors <-| + * + * The "spare" space is for the 2d engine data + * the fixed is space for the cursors (2x1Kbyte) + * + * we need to allocate memory for the 2D acceleration engine + * command list and the data for the engine to deal with. + * + * - all allocations must be 128bit aligned + * - cursors are 64x64x2 bits (1Kbyte) + * + */ + +#define SM501_MEMF_CURSOR (1) +#define SM501_MEMF_PANEL (2) +#define SM501_MEMF_CRT (4) +#define SM501_MEMF_ACCEL (8) + +static int sm501_alloc_mem(struct sm501fb_info *inf, struct sm501_mem *mem, + unsigned int why, size_t size) +{ + unsigned int ptr = 0; + + switch (why) { + case SM501_MEMF_CURSOR: + ptr = inf->fbmem_len - size; + inf->fbmem_len = ptr; + break; + + case SM501_MEMF_PANEL: + ptr = inf->fbmem_len - size; + if (ptr < inf->fb[0]->fix.smem_len) + return -ENOMEM; + + break; + + case SM501_MEMF_CRT: + ptr = 0; + break; + + case SM501_MEMF_ACCEL: + ptr = inf->fb[0]->fix.smem_len; + + if ((ptr + size) > + (inf->fb[1]->fix.smem_start - inf->fbmem_res->start)) + return -ENOMEM; + break; + + default: + return -EINVAL; + } + + mem->size = size; + mem->sm_addr = ptr; + mem->k_addr = inf->fbmem + ptr; + + dev_dbg(inf->dev, "%s: result %08lx, %p - %u, %zd\n", + __func__, mem->sm_addr, mem->k_addr, why, size); + + return 0; +} + +/* sm501fb_ps_to_hz + * + * Converts a period in picoseconds to Hz. + * + * Note, we try to keep this in Hz to minimise rounding with + * the limited PLL settings on the SM501. +*/ + +static unsigned long sm501fb_ps_to_hz(unsigned long psvalue) +{ + unsigned long long numerator=1000000000000ULL; + + /* 10^12 / picosecond period gives frequency in Hz */ + do_div(numerator, psvalue); + return (unsigned long)numerator; +} + +/* sm501fb_hz_to_ps is identical to the oposite transform */ + +#define sm501fb_hz_to_ps(x) sm501fb_ps_to_hz(x) + +/* sm501fb_setup_gamma + * + * Programs a linear 1.0 gamma ramp in case the gamma + * correction is enabled without programming anything else. +*/ + +static void sm501fb_setup_gamma(struct sm501fb_info *fbi, + unsigned long palette) +{ + unsigned long value = 0; + int offset; + + /* set gamma values */ + for (offset = 0; offset < 256 * 4; offset += 4) { + writel(value, fbi->regs + palette + offset); + value += 0x010101; /* Advance RGB by 1,1,1.*/ + } +} + +/* sm501fb_check_var + * + * check common variables for both panel and crt +*/ + +static int sm501fb_check_var(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + struct sm501fb_par *par = info->par; + struct sm501fb_info *sm = par->info; + unsigned long tmp; + + /* check we can fit these values into the registers */ + + if (var->hsync_len > 255 || var->vsync_len > 255) + return -EINVAL; + + if ((var->xres + var->right_margin) >= 4096) + return -EINVAL; + + if ((var->yres + var->lower_margin) > 2048) + return -EINVAL; + + /* hard limits of device */ + + if (h_total(var) > 4096 || v_total(var) > 2048) + return -EINVAL; + + /* check our line length is going to be 128 bit aligned */ + + tmp = (var->xres * var->bits_per_pixel) / 8; + if ((tmp & 15) != 0) + return -EINVAL; + + /* check the virtual size */ + + if (var->xres_virtual > 4096 || var->yres_virtual > 2048) + return -EINVAL; + + /* can cope with 8,16 or 32bpp */ + + if (var->bits_per_pixel <= 8) + var->bits_per_pixel = 8; + else if (var->bits_per_pixel <= 16) + var->bits_per_pixel = 16; + else if (var->bits_per_pixel == 24) + var->bits_per_pixel = 32; + + /* set r/g/b positions and validate bpp */ + switch(var->bits_per_pixel) { + case 8: + var->red.length = var->bits_per_pixel; + var->red.offset = 0; + var->green.length = var->bits_per_pixel; + var->green.offset = 0; + var->blue.length = var->bits_per_pixel; + var->blue.offset = 0; + var->transp.length = 0; + + break; + + case 16: + if (sm->pdata->flags & SM501_FBPD_SWAP_FB_ENDIAN) { + var->red.offset = 11; + var->green.offset = 5; + var->blue.offset = 0; + } else { + var->blue.offset = 11; + var->green.offset = 5; + var->red.offset = 0; + } + + var->red.length = 5; + var->green.length = 6; + var->blue.length = 5; + var->transp.length = 0; + break; + + case 32: + if (sm->pdata->flags & SM501_FBPD_SWAP_FB_ENDIAN) { + var->transp.offset = 0; + var->red.offset = 8; + var->green.offset = 16; + var->blue.offset = 24; + } else { + var->transp.offset = 24; + var->red.offset = 16; + var->green.offset = 8; + var->blue.offset = 0; + } + + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.length = 0; + break; + + default: + return -EINVAL; + } + + return 0; +} + +/* + * sm501fb_check_var_crt(): + * + * check the parameters for the CRT head, and either bring them + * back into range, or return -EINVAL. +*/ + +static int sm501fb_check_var_crt(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + return sm501fb_check_var(var, info); +} + +/* sm501fb_check_var_pnl(): + * + * check the parameters for the CRT head, and either bring them + * back into range, or return -EINVAL. +*/ + +static int sm501fb_check_var_pnl(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + return sm501fb_check_var(var, info); +} + +/* sm501fb_set_par_common + * + * set common registers for framebuffers +*/ + +static int sm501fb_set_par_common(struct fb_info *info, + struct fb_var_screeninfo *var) +{ + struct sm501fb_par *par = info->par; + struct sm501fb_info *fbi = par->info; + unsigned long pixclock; /* pixelclock in Hz */ + unsigned long sm501pixclock; /* pixelclock the 501 can achive in Hz */ + unsigned int mem_type; + unsigned int clock_type; + unsigned int head_addr; + + dev_dbg(fbi->dev, "%s: %dx%d, bpp = %d, virtual %dx%d\n", + __func__, var->xres, var->yres, var->bits_per_pixel, + var->xres_virtual, var->yres_virtual); + + switch (par->head) { + case HEAD_CRT: + mem_type = SM501_MEMF_CRT; + clock_type = SM501_CLOCK_V2XCLK; + head_addr = SM501_DC_CRT_FB_ADDR; + break; + + case HEAD_PANEL: + mem_type = SM501_MEMF_PANEL; + clock_type = SM501_CLOCK_P2XCLK; + head_addr = SM501_DC_PANEL_FB_ADDR; + break; + + default: + mem_type = 0; /* stop compiler warnings */ + head_addr = 0; + clock_type = 0; + } + + switch (var->bits_per_pixel) { + case 8: + info->fix.visual = FB_VISUAL_PSEUDOCOLOR; + break; + + case 16: + info->fix.visual = FB_VISUAL_DIRECTCOLOR; + break; + + case 32: + info->fix.visual = FB_VISUAL_TRUECOLOR; + break; + } + + /* allocate fb memory within 501 */ + info->fix.line_length = (var->xres_virtual * var->bits_per_pixel)/8; + info->fix.smem_len = info->fix.line_length * var->yres_virtual; + + dev_dbg(fbi->dev, "%s: line length = %u\n", __func__, + info->fix.line_length); + + if (sm501_alloc_mem(fbi, &par->screen, mem_type, + info->fix.smem_len)) { + dev_err(fbi->dev, "no memory available\n"); + return -ENOMEM; + } + + info->fix.smem_start = fbi->fbmem_res->start + par->screen.sm_addr; + + info->screen_base = fbi->fbmem + par->screen.sm_addr; + info->screen_size = info->fix.smem_len; + + /* set start of framebuffer to the screen */ + + writel(par->screen.sm_addr | SM501_ADDR_FLIP, fbi->regs + head_addr); + + /* program CRT clock */ + + pixclock = sm501fb_ps_to_hz(var->pixclock); + + sm501pixclock = sm501_set_clock(fbi->dev->parent, clock_type, + pixclock); + + /* update fb layer with actual clock used */ + var->pixclock = sm501fb_hz_to_ps(sm501pixclock); + + dev_dbg(fbi->dev, "%s: pixclock(ps) = %u, pixclock(Hz) = %lu, " + "sm501pixclock = %lu, error = %ld%%\n", + __func__, var->pixclock, pixclock, sm501pixclock, + ((pixclock - sm501pixclock)*100)/pixclock); + + return 0; +} + +/* sm501fb_set_par_geometry + * + * set the geometry registers for specified framebuffer. +*/ + +static void sm501fb_set_par_geometry(struct fb_info *info, + struct fb_var_screeninfo *var) +{ + struct sm501fb_par *par = info->par; + struct sm501fb_info *fbi = par->info; + void __iomem *base = fbi->regs; + unsigned long reg; + + if (par->head == HEAD_CRT) + base += SM501_DC_CRT_H_TOT; + else + base += SM501_DC_PANEL_H_TOT; + + /* set framebuffer width and display width */ + + reg = info->fix.line_length; + reg |= ((var->xres * var->bits_per_pixel)/8) << 16; + + writel(reg, fbi->regs + (par->head == HEAD_CRT ? + SM501_DC_CRT_FB_OFFSET : SM501_DC_PANEL_FB_OFFSET)); + + /* program horizontal total */ + + reg = (h_total(var) - 1) << 16; + reg |= (var->xres - 1); + + writel(reg, base + SM501_OFF_DC_H_TOT); + + /* program horizontal sync */ + + reg = var->hsync_len << 16; + reg |= var->xres + var->right_margin - 1; + + writel(reg, base + SM501_OFF_DC_H_SYNC); + + /* program vertical total */ + + reg = (v_total(var) - 1) << 16; + reg |= (var->yres - 1); + + writel(reg, base + SM501_OFF_DC_V_TOT); + + /* program vertical sync */ + reg = var->vsync_len << 16; + reg |= var->yres + var->lower_margin - 1; + + writel(reg, base + SM501_OFF_DC_V_SYNC); +} + +/* sm501fb_pan_crt + * + * pan the CRT display output within an virtual framebuffer +*/ + +static int sm501fb_pan_crt(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + struct sm501fb_par *par = info->par; + struct sm501fb_info *fbi = par->info; + unsigned int bytes_pixel = var->bits_per_pixel / 8; + unsigned long reg; + unsigned long xoffs; + + xoffs = var->xoffset * bytes_pixel; + + reg = readl(fbi->regs + SM501_DC_CRT_CONTROL); + + reg &= ~SM501_DC_CRT_CONTROL_PIXEL_MASK; + reg |= ((xoffs & 15) / bytes_pixel) << 4; + writel(reg, fbi->regs + SM501_DC_CRT_CONTROL); + + reg = (par->screen.sm_addr + xoffs + + var->yoffset * info->fix.line_length); + writel(reg | SM501_ADDR_FLIP, fbi->regs + SM501_DC_CRT_FB_ADDR); + + sm501fb_sync_regs(fbi); + return 0; +} + +/* sm501fb_pan_pnl + * + * pan the panel display output within an virtual framebuffer +*/ + +static int sm501fb_pan_pnl(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + struct sm501fb_par *par = info->par; + struct sm501fb_info *fbi = par->info; + unsigned long reg; + + reg = var->xoffset | (var->xres_virtual << 16); + writel(reg, fbi->regs + SM501_DC_PANEL_FB_WIDTH); + + reg = var->yoffset | (var->yres_virtual << 16); + writel(reg, fbi->regs + SM501_DC_PANEL_FB_HEIGHT); + + sm501fb_sync_regs(fbi); + return 0; +} + +/* sm501fb_set_par_crt + * + * Set the CRT video mode from the fb_info structure +*/ + +static int sm501fb_set_par_crt(struct fb_info *info) +{ + struct sm501fb_par *par = info->par; + struct sm501fb_info *fbi = par->info; + struct fb_var_screeninfo *var = &info->var; + unsigned long control; /* control register */ + int ret; + + /* activate new configuration */ + + dev_dbg(fbi->dev, "%s(%p)\n", __func__, info); + + /* enable CRT DAC - note 0 is on!*/ + sm501_misc_control(fbi->dev->parent, 0, SM501_MISC_DAC_POWER); + + control = readl(fbi->regs + SM501_DC_CRT_CONTROL); + + control &= (SM501_DC_CRT_CONTROL_PIXEL_MASK | + SM501_DC_CRT_CONTROL_GAMMA | + SM501_DC_CRT_CONTROL_BLANK | + SM501_DC_CRT_CONTROL_SEL | + SM501_DC_CRT_CONTROL_CP | + SM501_DC_CRT_CONTROL_TVP); + + /* set the sync polarities before we check data source */ + + if ((var->sync & FB_SYNC_HOR_HIGH_ACT) == 0) + control |= SM501_DC_CRT_CONTROL_HSP; + + if ((var->sync & FB_SYNC_VERT_HIGH_ACT) == 0) + control |= SM501_DC_CRT_CONTROL_VSP; + + if ((control & SM501_DC_CRT_CONTROL_SEL) == 0) { + /* the head is displaying panel data... */ + + sm501_alloc_mem(fbi, &par->screen, SM501_MEMF_CRT, 0); + goto out_update; + } + + ret = sm501fb_set_par_common(info, var); + if (ret) { + dev_err(fbi->dev, "failed to set common parameters\n"); + return ret; + } + + sm501fb_pan_crt(var, info); + sm501fb_set_par_geometry(info, var); + + control |= SM501_FIFO_3; /* fill if >3 free slots */ + + switch(var->bits_per_pixel) { + case 8: + control |= SM501_DC_CRT_CONTROL_8BPP; + break; + + case 16: + control |= SM501_DC_CRT_CONTROL_16BPP; + break; + + case 32: + control |= SM501_DC_CRT_CONTROL_32BPP; + sm501fb_setup_gamma(fbi, SM501_DC_CRT_PALETTE); + break; + + default: + BUG(); + } + + control |= SM501_DC_CRT_CONTROL_SEL; /* CRT displays CRT data */ + control |= SM501_DC_CRT_CONTROL_TE; /* enable CRT timing */ + control |= SM501_DC_CRT_CONTROL_ENABLE; /* enable CRT plane */ + + out_update: + dev_dbg(fbi->dev, "new control is %08lx\n", control); + + writel(control, fbi->regs + SM501_DC_CRT_CONTROL); + sm501fb_sync_regs(fbi); + + return 0; +} + +static void sm501fb_panel_power(struct sm501fb_info *fbi, int to) +{ + unsigned long control; + void __iomem *ctrl_reg = fbi->regs + SM501_DC_PANEL_CONTROL; + + control = readl(ctrl_reg); + + if (to && (control & SM501_DC_PANEL_CONTROL_VDD) == 0) { + /* enable panel power */ + + control |= SM501_DC_PANEL_CONTROL_VDD; /* FPVDDEN */ + writel(control, ctrl_reg); + sm501fb_sync_regs(fbi); + mdelay(10); + + control |= SM501_DC_PANEL_CONTROL_DATA; /* DATA */ + writel(control, ctrl_reg); + sm501fb_sync_regs(fbi); + mdelay(10); + + control |= SM501_DC_PANEL_CONTROL_BIAS; /* VBIASEN */ + writel(control, ctrl_reg); + sm501fb_sync_regs(fbi); + mdelay(10); + + control |= SM501_DC_PANEL_CONTROL_FPEN; + writel(control, ctrl_reg); + + } else if (!to && (control & SM501_DC_PANEL_CONTROL_VDD) != 0) { + /* disable panel power */ + + control &= ~SM501_DC_PANEL_CONTROL_FPEN; + writel(control, ctrl_reg); + sm501fb_sync_regs(fbi); + mdelay(10); + + control &= ~SM501_DC_PANEL_CONTROL_BIAS; + writel(control, ctrl_reg); + sm501fb_sync_regs(fbi); + mdelay(10); + + control &= ~SM501_DC_PANEL_CONTROL_DATA; + writel(control, ctrl_reg); + sm501fb_sync_regs(fbi); + mdelay(10); + + control &= ~SM501_DC_PANEL_CONTROL_VDD; + writel(control, ctrl_reg); + sm501fb_sync_regs(fbi); + mdelay(10); + } + + sm501fb_sync_regs(fbi); +} + +/* sm501fb_set_par_pnl + * + * Set the panel video mode from the fb_info structure +*/ + +static int sm501fb_set_par_pnl(struct fb_info *info) +{ + struct sm501fb_par *par = info->par; + struct sm501fb_info *fbi = par->info; + struct fb_var_screeninfo *var = &info->var; + unsigned long control; + unsigned long reg; + int ret; + + dev_dbg(fbi->dev, "%s(%p)\n", __func__, info); + + /* activate this new configuration */ + + ret = sm501fb_set_par_common(info, var); + if (ret) + return ret; + + sm501fb_pan_pnl(var, info); + sm501fb_set_par_geometry(info, var); + + /* update control register */ + + control = readl(fbi->regs + SM501_DC_PANEL_CONTROL); + control &= (SM501_DC_PANEL_CONTROL_GAMMA | + SM501_DC_PANEL_CONTROL_VDD | + SM501_DC_PANEL_CONTROL_DATA | + SM501_DC_PANEL_CONTROL_BIAS | + SM501_DC_PANEL_CONTROL_FPEN | + SM501_DC_PANEL_CONTROL_CP | + SM501_DC_PANEL_CONTROL_CK | + SM501_DC_PANEL_CONTROL_HP | + SM501_DC_PANEL_CONTROL_VP | + SM501_DC_PANEL_CONTROL_HPD | + SM501_DC_PANEL_CONTROL_VPD); + + control |= SM501_FIFO_3; /* fill if >3 free slots */ + + switch(var->bits_per_pixel) { + case 8: + control |= SM501_DC_PANEL_CONTROL_8BPP; + break; + + case 16: + control |= SM501_DC_PANEL_CONTROL_16BPP; + break; + + case 32: + control |= SM501_DC_PANEL_CONTROL_32BPP; + sm501fb_setup_gamma(fbi, SM501_DC_PANEL_PALETTE); + break; + + default: + BUG(); + } + + writel(0x0, fbi->regs + SM501_DC_PANEL_PANNING_CONTROL); + + /* panel plane top left and bottom right location */ + + writel(0x00, fbi->regs + SM501_DC_PANEL_TL_LOC); + + reg = var->xres - 1; + reg |= (var->yres - 1) << 16; + + writel(reg, fbi->regs + SM501_DC_PANEL_BR_LOC); + + /* program panel control register */ + + control |= SM501_DC_PANEL_CONTROL_TE; /* enable PANEL timing */ + control |= SM501_DC_PANEL_CONTROL_EN; /* enable PANEL gfx plane */ + + if ((var->sync & FB_SYNC_HOR_HIGH_ACT) == 0) + control |= SM501_DC_PANEL_CONTROL_HSP; + + if ((var->sync & FB_SYNC_VERT_HIGH_ACT) == 0) + control |= SM501_DC_PANEL_CONTROL_VSP; + + writel(control, fbi->regs + SM501_DC_PANEL_CONTROL); + sm501fb_sync_regs(fbi); + + /* power the panel up */ + sm501fb_panel_power(fbi, 1); + return 0; +} + + +/* chan_to_field + * + * convert a colour value into a field position + * + * from pxafb.c +*/ + +static inline unsigned int chan_to_field(unsigned int chan, + struct fb_bitfield *bf) +{ + chan &= 0xffff; + chan >>= 16 - bf->length; + return chan << bf->offset; +} + +/* sm501fb_setcolreg + * + * set the colour mapping for modes that support palettised data +*/ + +static int sm501fb_setcolreg(unsigned regno, + unsigned red, unsigned green, unsigned blue, + unsigned transp, struct fb_info *info) +{ + struct sm501fb_par *par = info->par; + struct sm501fb_info *fbi = par->info; + void __iomem *base = fbi->regs; + unsigned int val; + + if (par->head == HEAD_CRT) + base += SM501_DC_CRT_PALETTE; + else + base += SM501_DC_PANEL_PALETTE; + + switch (info->fix.visual) { + case FB_VISUAL_TRUECOLOR: + /* true-colour, use pseuo-palette */ + + if (regno < 16) { + u32 *pal = par->pseudo_palette; + + val = chan_to_field(red, &info->var.red); + val |= chan_to_field(green, &info->var.green); + val |= chan_to_field(blue, &info->var.blue); + + pal[regno] = val; + } + break; + + case FB_VISUAL_PSEUDOCOLOR: + if (regno < 256) { + val = (red >> 8) << 16; + val |= (green >> 8) << 8; + val |= blue >> 8; + + writel(val, base + (regno * 4)); + } + + break; + + default: + return 1; /* unknown type */ + } + + return 0; +} + +/* sm501fb_blank_pnl + * + * Blank or un-blank the panel interface +*/ + +static int sm501fb_blank_pnl(int blank_mode, struct fb_info *info) +{ + struct sm501fb_par *par = info->par; + struct sm501fb_info *fbi = par->info; + + dev_dbg(fbi->dev, "%s(mode=%d, %p)\n", __func__, blank_mode, info); + + switch (blank_mode) { + case FB_BLANK_POWERDOWN: + sm501fb_panel_power(fbi, 0); + break; + + case FB_BLANK_UNBLANK: + sm501fb_panel_power(fbi, 1); + break; + + case FB_BLANK_NORMAL: + case FB_BLANK_VSYNC_SUSPEND: + case FB_BLANK_HSYNC_SUSPEND: + default: + return 1; + } + + return 0; +} + +/* sm501fb_blank_crt + * + * Blank or un-blank the crt interface +*/ + +static int sm501fb_blank_crt(int blank_mode, struct fb_info *info) +{ + struct sm501fb_par *par = info->par; + struct sm501fb_info *fbi = par->info; + unsigned long ctrl; + + dev_dbg(fbi->dev, "%s(mode=%d, %p)\n", __func__, blank_mode, info); + + ctrl = readl(fbi->regs + SM501_DC_CRT_CONTROL); + + switch (blank_mode) { + case FB_BLANK_POWERDOWN: + ctrl &= ~SM501_DC_CRT_CONTROL_ENABLE; + sm501_misc_control(fbi->dev->parent, SM501_MISC_DAC_POWER, 0); + + case FB_BLANK_NORMAL: + ctrl |= SM501_DC_CRT_CONTROL_BLANK; + break; + + case FB_BLANK_UNBLANK: + ctrl &= ~SM501_DC_CRT_CONTROL_BLANK; + ctrl |= SM501_DC_CRT_CONTROL_ENABLE; + sm501_misc_control(fbi->dev->parent, 0, SM501_MISC_DAC_POWER); + break; + + case FB_BLANK_VSYNC_SUSPEND: + case FB_BLANK_HSYNC_SUSPEND: + default: + return 1; + + } + + writel(ctrl, fbi->regs + SM501_DC_CRT_CONTROL); + sm501fb_sync_regs(fbi); + + return 0; +} + +/* sm501fb_cursor + * + * set or change the hardware cursor parameters +*/ + +static int sm501fb_cursor(struct fb_info *info, struct fb_cursor *cursor) +{ + struct sm501fb_par *par = info->par; + struct sm501fb_info *fbi = par->info; + void __iomem *base = fbi->regs; + unsigned long hwc_addr; + unsigned long fg, bg; + + dev_dbg(fbi->dev, "%s(%p,%p)\n", __func__, info, cursor); + + if (par->head == HEAD_CRT) + base += SM501_DC_CRT_HWC_BASE; + else + base += SM501_DC_PANEL_HWC_BASE; + + /* check not being asked to exceed capabilities */ + + if (cursor->image.width > 64) + return -EINVAL; + + if (cursor->image.height > 64) + return -EINVAL; + + if (cursor->image.depth > 1) + return -EINVAL; + + hwc_addr = readl(base + SM501_OFF_HWC_ADDR); + + if (cursor->enable) + writel(hwc_addr | SM501_HWC_EN, base + SM501_OFF_HWC_ADDR); + else + writel(hwc_addr & ~SM501_HWC_EN, base + SM501_OFF_HWC_ADDR); + + /* set data */ + if (cursor->set & FB_CUR_SETPOS) { + unsigned int x = cursor->image.dx; + unsigned int y = cursor->image.dy; + + if (x >= 2048 || y >= 2048 ) + return -EINVAL; + + dev_dbg(fbi->dev, "set position %d,%d\n", x, y); + + //y += cursor->image.height; + + writel(x | (y << 16), base + SM501_OFF_HWC_LOC); + } + + if (cursor->set & FB_CUR_SETCMAP) { + unsigned int bg_col = cursor->image.bg_color; + unsigned int fg_col = cursor->image.fg_color; + + dev_dbg(fbi->dev, "%s: update cmap (%08x,%08x)\n", + __func__, bg_col, fg_col); + + bg = ((info->cmap.red[bg_col] & 0xF8) << 8) | + ((info->cmap.green[bg_col] & 0xFC) << 3) | + ((info->cmap.blue[bg_col] & 0xF8) >> 3); + + fg = ((info->cmap.red[fg_col] & 0xF8) << 8) | + ((info->cmap.green[fg_col] & 0xFC) << 3) | + ((info->cmap.blue[fg_col] & 0xF8) >> 3); + + dev_dbg(fbi->dev, "fgcol %08x, bgcol %08x\n", fg, bg); + + writel(bg, base + SM501_OFF_HWC_COLOR_1_2); + writel(fg, base + SM501_OFF_HWC_COLOR_3); + } + + if (cursor->set & FB_CUR_SETSIZE || + cursor->set & (FB_CUR_SETIMAGE | FB_CUR_SETSHAPE)) { + /* SM501 cursor is a two bpp 64x64 bitmap this routine + * clears it to transparent then combines the cursor + * shape plane with the colour plane to set the + * cursor */ + int x, y; + const unsigned char *pcol = cursor->image.data; + const unsigned char *pmsk = cursor->mask; + void __iomem *dst = par->cursor.k_addr; + unsigned char dcol = 0; + unsigned char dmsk = 0; + unsigned int op; + + dev_dbg(fbi->dev, "%s: setting shape (%d,%d)\n", + __func__, cursor->image.width, cursor->image.height); + + for (op = 0; op < (64*64*2)/8; op+=4) + writel(0x0, dst + op); + + for (y = 0; y < cursor->image.height; y++) { + for (x = 0; x < cursor->image.width; x++) { + if ((x % 8) == 0) { + dcol = *pcol++; + dmsk = *pmsk++; + } else { + dcol >>= 1; + dmsk >>= 1; + } + + if (dmsk & 1) { + op = (dcol & 1) ? 1 : 3; + op <<= ((x % 4) * 2); + + op |= readb(dst + (x / 4)); + writeb(op, dst + (x / 4)); + } + } + dst += (64*2)/8; + } + } + + sm501fb_sync_regs(fbi); /* ensure cursor data flushed */ + return 0; +} + +/* sm501fb_crtsrc_show + * + * device attribute code to show where the crt output is sourced from +*/ + +static ssize_t sm501fb_crtsrc_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct sm501fb_info *info = dev_get_drvdata(dev); + unsigned long ctrl; + + ctrl = readl(info->regs + SM501_DC_CRT_CONTROL); + ctrl &= SM501_DC_CRT_CONTROL_SEL; + + return snprintf(buf, PAGE_SIZE, "%s\n", ctrl ? "crt" : "panel"); +} + +/* sm501fb_crtsrc_show + * + * device attribute code to set where the crt output is sourced from +*/ + +static ssize_t sm501fb_crtsrc_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len) +{ + struct sm501fb_info *info = dev_get_drvdata(dev); + enum sm501_controller head; + unsigned long ctrl; + + if (len < 1) + return -EINVAL; + + if (strnicmp(buf, "crt", 3) == 0) + head = HEAD_CRT; + else if (strnicmp(buf, "panel", 5) == 0) + head = HEAD_PANEL; + else + return -EINVAL; + + dev_info(dev, "setting crt source to head %d\n", head); + + ctrl = readl(info->regs + SM501_DC_CRT_CONTROL); + + if (head == HEAD_CRT) { + ctrl |= SM501_DC_CRT_CONTROL_SEL; + ctrl |= SM501_DC_CRT_CONTROL_ENABLE; + ctrl |= SM501_DC_CRT_CONTROL_TE; + } else { + ctrl &= ~SM501_DC_CRT_CONTROL_SEL; + ctrl &= ~SM501_DC_CRT_CONTROL_ENABLE; + ctrl &= ~SM501_DC_CRT_CONTROL_TE; + } + + writel(ctrl, info->regs + SM501_DC_CRT_CONTROL); + sm501fb_sync_regs(info); + + return len; +} + +/* Prepare the device_attr for registration with sysfs later */ +static DEVICE_ATTR(crt_src, 0666, sm501fb_crtsrc_show, sm501fb_crtsrc_store); + +/* sm501fb_show_regs + * + * show the primary sm501 registers +*/ +static int sm501fb_show_regs(struct sm501fb_info *info, char *ptr, + unsigned int start, unsigned int len) +{ + void __iomem *mem = info->regs; + char *buf = ptr; + unsigned int reg; + + for (reg = start; reg < (len + start); reg += 4) + ptr += sprintf(ptr, "%08x = %08x\n", reg, readl(mem + reg)); + + return ptr - buf; +} + +/* sm501fb_debug_show_crt + * + * show the crt control and cursor registers +*/ + +static ssize_t sm501fb_debug_show_crt(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct sm501fb_info *info = dev_get_drvdata(dev); + char *ptr = buf; + + ptr += sm501fb_show_regs(info, ptr, SM501_DC_CRT_CONTROL, 0x40); + ptr += sm501fb_show_regs(info, ptr, SM501_DC_CRT_HWC_BASE, 0x10); + + return ptr - buf; +} + +static DEVICE_ATTR(fbregs_crt, 0444, sm501fb_debug_show_crt, NULL); + +/* sm501fb_debug_show_pnl + * + * show the panel control and cursor registers +*/ + +static ssize_t sm501fb_debug_show_pnl(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct sm501fb_info *info = dev_get_drvdata(dev); + char *ptr = buf; + + ptr += sm501fb_show_regs(info, ptr, 0x0, 0x40); + ptr += sm501fb_show_regs(info, ptr, SM501_DC_PANEL_HWC_BASE, 0x10); + + return ptr - buf; +} + +static DEVICE_ATTR(fbregs_pnl, 0444, sm501fb_debug_show_pnl, NULL); + +/* framebuffer ops */ + +static struct fb_ops sm501fb_ops_crt = { + .owner = THIS_MODULE, + .fb_check_var = sm501fb_check_var_crt, + .fb_set_par = sm501fb_set_par_crt, + .fb_blank = sm501fb_blank_crt, + .fb_setcolreg = sm501fb_setcolreg, + .fb_pan_display = sm501fb_pan_crt, + .fb_cursor = sm501fb_cursor, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, +}; + +static struct fb_ops sm501fb_ops_pnl = { + .owner = THIS_MODULE, + .fb_check_var = sm501fb_check_var_pnl, + .fb_set_par = sm501fb_set_par_pnl, + .fb_pan_display = sm501fb_pan_pnl, + .fb_blank = sm501fb_blank_pnl, + .fb_setcolreg = sm501fb_setcolreg, + .fb_cursor = sm501fb_cursor, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, +}; + +/* sm501fb_info_alloc + * + * creates and initialises an sm501fb_info structure +*/ + +static struct sm501fb_info *sm501fb_info_alloc(struct fb_info *fbinfo_crt, + struct fb_info *fbinfo_pnl) +{ + struct sm501fb_info *info; + struct sm501fb_par *par; + + info = kzalloc(sizeof(struct sm501fb_info), GFP_KERNEL); + if (info) { + /* set the references back */ + + par = fbinfo_crt->par; + par->info = info; + par->head = HEAD_CRT; + fbinfo_crt->pseudo_palette = &par->pseudo_palette; + + par = fbinfo_pnl->par; + par->info = info; + par->head = HEAD_PANEL; + fbinfo_pnl->pseudo_palette = &par->pseudo_palette; + + /* store the two fbs into our info */ + info->fb[HEAD_CRT] = fbinfo_crt; + info->fb[HEAD_PANEL] = fbinfo_pnl; + } + + return info; +} + +/* sm501_init_cursor + * + * initialise hw cursor parameters +*/ + +static int sm501_init_cursor(struct fb_info *fbi, unsigned int reg_base) +{ + struct sm501fb_par *par = fbi->par; + struct sm501fb_info *info = par->info; + int ret; + + par->cursor_regs = info->regs + reg_base; + + ret = sm501_alloc_mem(info, &par->cursor, SM501_MEMF_CURSOR, 1024); + if (ret < 0) + return ret; + + /* initialise the colour registers */ + + writel(par->cursor.sm_addr, par->cursor_regs + SM501_OFF_HWC_ADDR); + + writel(0x00, par->cursor_regs + SM501_OFF_HWC_LOC); + writel(0x00, par->cursor_regs + SM501_OFF_HWC_COLOR_1_2); + writel(0x00, par->cursor_regs + SM501_OFF_HWC_COLOR_3); + sm501fb_sync_regs(info); + + return 0; +} + +/* sm501fb_info_start + * + * fills the par structure claiming resources and remapping etc. +*/ + +static int sm501fb_start(struct sm501fb_info *info, + struct platform_device *pdev) +{ + struct resource *res; + struct device *dev; + int ret; + + info->dev = dev = &pdev->dev; + platform_set_drvdata(pdev, info); + + info->irq = ret = platform_get_irq(pdev, 0); + if (ret < 0) { + /* we currently do not use the IRQ */ + dev_warn(dev, "no irq for device\n"); + } + + /* allocate, reserve and remap resources for registers */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res == NULL) { + dev_err(dev, "no resource definition for registers\n"); + ret = -ENOENT; + goto err_release; + } + + info->regs_res = request_mem_region(res->start, + res->end - res->start, + pdev->name); + + if (info->regs_res == NULL) { + dev_err(dev, "cannot claim registers\n"); + ret = -ENXIO; + goto err_release; + } + + info->regs = ioremap(res->start, (res->end - res->start)+1); + if (info->regs == NULL) { + dev_err(dev, "cannot remap registers\n"); + ret = -ENXIO; + goto err_regs_res; + } + + /* allocate, reserve resources for framebuffer */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 2); + if (res == NULL) { + dev_err(dev, "no memory resource defined\n"); + ret = -ENXIO; + goto err_regs_map; + } + + info->fbmem_res = request_mem_region(res->start, + (res->end - res->start)+1, + pdev->name); + if (info->fbmem_res == NULL) { + dev_err(dev, "cannot claim framebuffer\n"); + ret = -ENXIO; + goto err_regs_map; + } + + info->fbmem = ioremap(res->start, (res->end - res->start)+1); + if (info->fbmem == NULL) { + dev_err(dev, "cannot remap framebuffer\n"); + goto err_mem_res; + } + + info->fbmem_len = (res->end - res->start)+1; + + /* enable display controller */ + sm501_unit_power(dev->parent, SM501_GATE_DISPLAY, 1); + + /* setup cursors */ + + sm501_init_cursor(info->fb[HEAD_CRT], SM501_DC_CRT_HWC_ADDR); + sm501_init_cursor(info->fb[HEAD_PANEL], SM501_DC_PANEL_HWC_ADDR); + + return 0; /* everything is setup */ + + err_mem_res: + release_resource(info->fbmem_res); + kfree(info->fbmem_res); + + err_regs_map: + iounmap(info->regs); + + err_regs_res: + release_resource(info->regs_res); + kfree(info->regs_res); + + err_release: + return ret; +} + +static void sm501fb_stop(struct sm501fb_info *info) +{ + /* disable display controller */ + sm501_unit_power(info->dev->parent, SM501_GATE_DISPLAY, 0); + + iounmap(info->fbmem); + release_resource(info->fbmem_res); + kfree(info->fbmem_res); + + iounmap(info->regs); + release_resource(info->regs_res); + kfree(info->regs_res); +} + +static void sm501fb_info_release(struct sm501fb_info *info) +{ + kfree(info); +} + +static int sm501fb_init_fb(struct fb_info *fb, + enum sm501_controller head, + const char *fbname) +{ + struct sm501_platdata_fbsub *pd; + struct sm501fb_par *par = fb->par; + struct sm501fb_info *info = par->info; + unsigned long ctrl; + unsigned int enable; + int ret; + + switch (head) { + case HEAD_CRT: + pd = info->pdata->fb_crt; + ctrl = readl(info->regs + SM501_DC_CRT_CONTROL); + enable = (ctrl & SM501_DC_CRT_CONTROL_ENABLE) ? 1 : 0; + + /* ensure we set the correct source register */ + if (info->pdata->fb_route != SM501_FB_CRT_PANEL) { + ctrl |= SM501_DC_CRT_CONTROL_SEL; + writel(ctrl, info->regs + SM501_DC_CRT_CONTROL); + } + + break; + + case HEAD_PANEL: + pd = info->pdata->fb_pnl; + ctrl = readl(info->regs + SM501_DC_PANEL_CONTROL); + enable = (ctrl & SM501_DC_PANEL_CONTROL_EN) ? 1 : 0; + break; + + default: + pd = NULL; /* stop compiler warnings */ + ctrl = 0; + enable = 0; + BUG(); + } + + dev_info(info->dev, "fb %s %sabled at start\n", + fbname, enable ? "en" : "dis"); + + /* check to see if our routing allows this */ + + if (head == HEAD_CRT && info->pdata->fb_route == SM501_FB_CRT_PANEL) { + ctrl &= ~SM501_DC_CRT_CONTROL_SEL; + writel(ctrl, info->regs + SM501_DC_CRT_CONTROL); + enable = 0; + } + + strlcpy(fb->fix.id, fbname, sizeof(fb->fix.id)); + + memcpy(&par->ops, + (head == HEAD_CRT) ? &sm501fb_ops_crt : &sm501fb_ops_pnl, + sizeof(struct fb_ops)); + + /* update ops dependant on what we've been passed */ + + if ((pd->flags & SM501FB_FLAG_USE_HWCURSOR) == 0) + par->ops.fb_cursor = NULL; + + fb->fbops = &par->ops; + fb->flags = FBINFO_FLAG_DEFAULT | + FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN; + + /* fixed data */ + + fb->fix.type = FB_TYPE_PACKED_PIXELS; + fb->fix.type_aux = 0; + fb->fix.xpanstep = 1; + fb->fix.ypanstep = 1; + fb->fix.ywrapstep = 0; + fb->fix.accel = FB_ACCEL_NONE; + + /* screenmode */ + + fb->var.nonstd = 0; + fb->var.activate = FB_ACTIVATE_NOW; + fb->var.accel_flags = 0; + fb->var.vmode = FB_VMODE_NONINTERLACED; + fb->var.bits_per_pixel = 16; + + if (enable && (pd->flags & SM501FB_FLAG_USE_INIT_MODE) && 0) { + /* TODO read the mode from the current display */ + + } else { + if (pd->def_mode) { + dev_info(info->dev, "using supplied mode\n"); + fb_videomode_to_var(&fb->var, pd->def_mode); + + fb->var.bits_per_pixel = pd->def_bpp ? pd->def_bpp : 8; + fb->var.xres_virtual = fb->var.xres; + fb->var.yres_virtual = fb->var.yres; + } else { + ret = fb_find_mode(&fb->var, fb, + NULL, NULL, 0, NULL, 8); + + if (ret == 0 || ret == 4) { + dev_err(info->dev, + "failed to get initial mode\n"); + return -EINVAL; + } + } + } + + /* initialise and set the palette */ + fb_alloc_cmap(&fb->cmap, NR_PALETTE, 0); + fb_set_cmap(&fb->cmap, fb); + + ret = (fb->fbops->fb_check_var)(&fb->var, fb); + if (ret) + dev_err(info->dev, "check_var() failed on initial setup?\n"); + + /* ensure we've activated our new configuration */ + (fb->fbops->fb_set_par)(fb); + + return 0; +} + +/* default platform data if none is supplied (ie, PCI device) */ + +static struct sm501_platdata_fbsub sm501fb_pdata_crt = { + .flags = (SM501FB_FLAG_USE_INIT_MODE | + SM501FB_FLAG_USE_HWCURSOR | + SM501FB_FLAG_USE_HWACCEL | + SM501FB_FLAG_DISABLE_AT_EXIT), + +}; + +static struct sm501_platdata_fbsub sm501fb_pdata_pnl = { + .flags = (SM501FB_FLAG_USE_INIT_MODE | + SM501FB_FLAG_USE_HWCURSOR | + SM501FB_FLAG_USE_HWACCEL | + SM501FB_FLAG_DISABLE_AT_EXIT), +}; + +static struct sm501_platdata_fb sm501fb_def_pdata = { + .fb_route = SM501_FB_OWN, + .fb_crt = &sm501fb_pdata_crt, + .fb_pnl = &sm501fb_pdata_pnl, +}; + +static char driver_name_crt[] = "sm501fb-crt"; +static char driver_name_pnl[] = "sm501fb-panel"; + +static int __init sm501fb_probe(struct platform_device *pdev) +{ + struct sm501fb_info *info; + struct device *dev = &pdev->dev; + struct fb_info *fbinfo_crt; + struct fb_info *fbinfo_pnl; + int ret; + + /* allocate our framebuffers */ + + fbinfo_crt = framebuffer_alloc(sizeof(struct sm501fb_par), dev); + if (fbinfo_crt == NULL) { + dev_err(dev, "cannot allocate crt framebuffer\n"); + return -ENOMEM; + } + + fbinfo_pnl = framebuffer_alloc(sizeof(struct sm501fb_par), dev); + if (fbinfo_pnl == NULL) { + dev_err(dev, "cannot allocate panel framebuffer\n"); + ret = -ENOMEM; + goto fbinfo_crt_alloc_fail; + } + + info = sm501fb_info_alloc(fbinfo_crt, fbinfo_pnl); + if (info == NULL) { + dev_err(dev, "cannot allocate par\n"); + ret = -ENOMEM; + goto sm501fb_alloc_fail; + } + + if (dev->parent->platform_data) { + struct sm501_platdata *pd = dev->parent->platform_data; + info->pdata = pd->fb; + } + + if (info->pdata == NULL) { + dev_info(dev, "using default configuration data\n"); + info->pdata = &sm501fb_def_pdata; + } + + /* start the framebuffers */ + + ret = sm501fb_start(info, pdev); + if (ret) { + dev_err(dev, "cannot initialise SM501\n"); + goto sm501fb_start_fail; + } + + /* CRT framebuffer setup */ + + ret = sm501fb_init_fb(fbinfo_crt, HEAD_CRT, driver_name_crt); + if (ret) { + dev_err(dev, "cannot initialise CRT fb\n"); + goto sm501fb_start_fail; + } + + /* Panel framebuffer setup */ + + ret = sm501fb_init_fb(fbinfo_pnl, HEAD_PANEL, driver_name_pnl); + if (ret) { + dev_err(dev, "cannot initialise Panel fb\n"); + goto sm501fb_start_fail; + } + + /* register framebuffers */ + + ret = register_framebuffer(fbinfo_crt); + if (ret < 0) { + dev_err(dev, "failed to register CRT fb (%d)\n", ret); + goto register_crt_fail; + } + + ret = register_framebuffer(fbinfo_pnl); + if (ret < 0) { + dev_err(dev, "failed to register panel fb (%d)\n", ret); + goto register_pnl_fail; + } + + dev_info(dev, "fb%d: %s frame buffer device\n", + fbinfo_crt->node, fbinfo_crt->fix.id); + + dev_info(dev, "fb%d: %s frame buffer device\n", + fbinfo_pnl->node, fbinfo_pnl->fix.id); + + /* create device files */ + + ret = device_create_file(dev, &dev_attr_crt_src); + if (ret) + goto crtsrc_fail; + + ret = device_create_file(dev, &dev_attr_fbregs_pnl); + if (ret) + goto fbregs_pnl_fail; + + ret = device_create_file(dev, &dev_attr_fbregs_crt); + if (ret) + goto fbregs_crt_fail; + + /* we registered, return ok */ + return 0; + + fbregs_crt_fail: + device_remove_file(dev, &dev_attr_fbregs_pnl); + + fbregs_pnl_fail: + device_remove_file(dev, &dev_attr_crt_src); + + crtsrc_fail: + unregister_framebuffer(fbinfo_pnl); + + register_pnl_fail: + unregister_framebuffer(fbinfo_crt); + + register_crt_fail: + sm501fb_stop(info); + + sm501fb_start_fail: + sm501fb_info_release(info); + + sm501fb_alloc_fail: + framebuffer_release(fbinfo_pnl); + + fbinfo_crt_alloc_fail: + framebuffer_release(fbinfo_crt); + + return ret; +} + + +/* + * Cleanup + */ +static int sm501fb_remove(struct platform_device *pdev) +{ + struct sm501fb_info *info = platform_get_drvdata(pdev); + struct fb_info *fbinfo_crt = info->fb[0]; + struct fb_info *fbinfo_pnl = info->fb[1]; + + device_remove_file(&pdev->dev, &dev_attr_fbregs_crt); + device_remove_file(&pdev->dev, &dev_attr_fbregs_pnl); + device_remove_file(&pdev->dev, &dev_attr_crt_src); + + unregister_framebuffer(fbinfo_crt); + unregister_framebuffer(fbinfo_pnl); + + sm501fb_stop(info); + sm501fb_info_release(info); + + framebuffer_release(fbinfo_pnl); + framebuffer_release(fbinfo_crt); + + return 0; +} + +#ifdef CONFIG_PM + +static int sm501fb_suspend_fb(struct sm501fb_info *info, + enum sm501_controller head) +{ + struct fb_info *fbi = info->fb[head]; + struct sm501fb_par *par = fbi->par; + + if (par->screen.size == 0) + return 0; + + /* backup copies in case chip is powered down over suspend */ + + par->store_fb = vmalloc(par->screen.size); + if (par->store_fb == NULL) { + dev_err(info->dev, "no memory to store screen\n"); + return -ENOMEM; + } + + par->store_cursor = vmalloc(par->cursor.size); + if (par->store_cursor == NULL) { + dev_err(info->dev, "no memory to store cursor\n"); + goto err_nocursor; + } + + memcpy_fromio(par->store_fb, par->screen.k_addr, par->screen.size); + memcpy_fromio(par->store_cursor, par->cursor.k_addr, par->cursor.size); + + /* blank the relevant interface to ensure unit power minimised */ + (par->ops.fb_blank)(FB_BLANK_POWERDOWN, fbi); + + return 0; + + err_nocursor: + vfree(par->store_fb); + + return -ENOMEM; + +} + +static void sm501fb_resume_fb(struct sm501fb_info *info, + enum sm501_controller head) +{ + struct fb_info *fbi = info->fb[head]; + struct sm501fb_par *par = fbi->par; + + if (par->screen.size == 0) + return; + + /* re-activate the configuration */ + + (par->ops.fb_set_par)(fbi); + + /* restore the data */ + + memcpy_toio(par->screen.k_addr, par->store_fb, par->screen.size); + memcpy_toio(par->cursor.k_addr, par->store_cursor, par->cursor.size); + + vfree(par->store_fb); + vfree(par->store_cursor); +} + + +/* suspend and resume support */ + +static int sm501fb_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct sm501fb_info *info = platform_get_drvdata(pdev); + + sm501fb_suspend_fb(info, HEAD_CRT); + sm501fb_suspend_fb(info, HEAD_PANEL); + + /* turn off the clocks, in case the device is not powered down */ + sm501_unit_power(info->dev->parent, SM501_GATE_DISPLAY, 0); + + return 0; +} + +static int sm501fb_resume(struct platform_device *pdev) +{ + struct sm501fb_info *info = platform_get_drvdata(pdev); + + sm501_unit_power(info->dev->parent, SM501_GATE_DISPLAY, 1); + + sm501fb_resume_fb(info, HEAD_CRT); + sm501fb_resume_fb(info, HEAD_PANEL); + + return 0; +} + +#else +#define sm501fb_suspend NULL +#define sm501fb_resume NULL +#endif + +static struct platform_driver sm501fb_driver = { + .probe = sm501fb_probe, + .remove = sm501fb_remove, + .suspend = sm501fb_suspend, + .resume = sm501fb_resume, + .driver = { + .name = "sm501-fb", + .owner = THIS_MODULE, + }, +}; + +static int __devinit sm501fb_init(void) +{ + return platform_driver_register(&sm501fb_driver); +} + +static void __exit sm501fb_cleanup(void) +{ + platform_driver_unregister(&sm501fb_driver); +} + +module_init(sm501fb_init); +module_exit(sm501fb_cleanup); + +MODULE_AUTHOR("Ben Dooks, Vincent Sanders"); +MODULE_DESCRIPTION("SM501 Framebuffer driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/video/sstfb.c b/drivers/video/sstfb.c index 59cd1e750f3..62fa5500361 100644 --- a/drivers/video/sstfb.c +++ b/drivers/video/sstfb.c @@ -257,6 +257,7 @@ static void __sst_dac_write(u8 __iomem *vbase, u8 reg, u8 val) r_dprintk("sst_dac_write(%#x, %#x)\n", reg, val); reg &= 0x07; __sst_write(vbase, DAC_DATA,(((u32)reg << 8)) | (u32)val); + __sst_wait_idle(vbase); } /* indexed access to ti/att dacs */ |