X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fvideo%2Friva%2Ffbdev.c;h=1a13966b7d5b04d5aaa3a45a0b72e68638982806;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=6c19ab6afb015f8dc371689c1c91f7d1b0f4ba73;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c index 6c19ab6af..1a13966b7 100644 --- a/drivers/video/riva/fbdev.c +++ b/drivers/video/riva/fbdev.c @@ -29,18 +29,18 @@ * doublescan modes are broken */ -#include #include #include #include #include #include -#include #include #include #include #include #include +#include +#include #ifdef CONFIG_MTRR #include #endif @@ -49,6 +49,7 @@ #include #endif #ifdef CONFIG_PMAC_BACKLIGHT +#include #include #endif @@ -271,34 +272,183 @@ static const struct riva_regs reg_template = { /* * Backlight control */ -#ifdef CONFIG_PMAC_BACKLIGHT +#ifdef CONFIG_FB_RIVA_BACKLIGHT +/* We do not have any information about which values are allowed, thus + * we used safe values. + */ +#define MIN_LEVEL 0x158 +#define MAX_LEVEL 0x534 +#define LEVEL_STEP ((MAX_LEVEL - MIN_LEVEL) / FB_BACKLIGHT_MAX) -static int riva_backlight_levels[] = { - 0x158, - 0x192, - 0x1c6, - 0x200, - 0x234, - 0x268, - 0x2a2, - 0x2d6, - 0x310, - 0x344, - 0x378, - 0x3b2, - 0x3e6, - 0x41a, - 0x454, - 0x534, -}; +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) +{ + struct fb_info *info = pci_get_drvdata(par->pdev); + int nlevel; + + /* Get and convert the value */ + nlevel = MIN_LEVEL + info->bl_curve[level] * LEVEL_STEP; + + if (nlevel < 0) + nlevel = 0; + else if (nlevel < MIN_LEVEL) + nlevel = MIN_LEVEL; + else if (nlevel > MAX_LEVEL) + nlevel = MAX_LEVEL; + + return nlevel; +} + +/* Call with fb_info->bl_mutex held */ +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) + level = 0; + else + level = bd->props->brightness; + + tmp_pmc = par->riva.PMC[0x10F0/4] & 0x0000FFFF; + tmp_pcrt = par->riva.PCRTC0[0x081C/4] & 0xFFFFFFFC; + if(level > 0) { + tmp_pcrt |= 0x1; + tmp_pmc |= (1 << 31); /* backlight bit */ + tmp_pmc |= riva_bl_get_level_brightness(par, level) << 16; /* level */ + } + par->riva.PCRTC0[0x081C/4] = tmp_pcrt; + par->riva.PMC[0x10F0/4] = tmp_pmc; -static int riva_set_backlight_enable(int on, int level, void *data); -static int riva_set_backlight_level(int level, void *data); -static struct backlight_controller riva_backlight_controller = { - riva_set_backlight_enable, - riva_set_backlight_level + 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; +} + +static struct backlight_properties riva_bl_data = { + .owner = THIS_MODULE, + .get_brightness = riva_bl_get_brightness, + .update_status = riva_bl_update_status, + .max_brightness = (FB_BACKLIGHT_LEVELS - 1), }; -#endif /* CONFIG_PMAC_BACKLIGHT */ + +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); + struct backlight_device *bd; + char name[12]; + + if (!par->FlatPanel) + return; + +#ifdef CONFIG_PMAC_BACKLIGHT + if (!machine_is(powermac) || + !pmac_has_backlight_type("mnca")) + return; +#endif + + snprintf(name, sizeof(name), "rivabl%d", info->node); + + bd = backlight_device_register(name, info->dev, par, &riva_bl_data); + 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 + + printk("riva: Backlight initialized (%s)\n", name); + + return; + +error: + return; +} + +static void riva_bl_exit(struct riva_par *par) +{ + 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("riva: Backlight unloaded\n"); + } + mutex_unlock(&info->bl_mutex); + +#ifdef CONFIG_PMAC_BACKLIGHT + mutex_unlock(&pmac_backlight_mutex); +#endif +} +#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) {} +#endif /* CONFIG_FB_RIVA_BACKLIGHT */ /* ------------------------------------------------------------------------- * * @@ -372,48 +522,13 @@ static inline unsigned char MISCin(struct riva_par *par) return (VGA_RD08(par->riva.PVIO, 0x3cc)); } -static u8 byte_rev[256] = { - 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, - 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, - 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, - 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, - 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, - 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, - 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, - 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, - 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, - 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, - 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, - 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, - 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, - 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, - 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, - 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, - 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, - 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, - 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, - 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, - 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, - 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, - 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, - 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, - 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, - 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, - 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, - 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, - 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, - 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, - 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, - 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff, -}; - static inline void reverse_order(u32 *l) { u8 *a = (u8 *)l; - *a = byte_rev[*a], a++; - *a = byte_rev[*a], a++; - *a = byte_rev[*a], a++; - *a = byte_rev[*a]; + a[0] = bitrev8(a[0]); + a[1] = bitrev8(a[1]); + a[2] = bitrev8(a[2]); + a[3] = bitrev8(a[3]); } /* ------------------------------------------------------------------------- * @@ -625,17 +740,18 @@ static void riva_load_state(struct riva_par *par, struct riva_regs *regs) * CALLED FROM: * rivafb_set_par() */ -static void riva_load_video_mode(struct fb_info *info) +static int riva_load_video_mode(struct fb_info *info) { int bpp, width, hDisplaySize, hDisplay, hStart, hEnd, hTotal, height, vDisplay, vStart, vEnd, vTotal, dotClock; int hBlankStart, hBlankEnd, vBlankStart, vBlankEnd; + int rc; struct riva_par *par = info->par; struct riva_regs newmode; NVTRACE_ENTER(); /* time to calculate */ - rivafb_blank(1, info); + rivafb_blank(FB_BLANK_NORMAL, info); bpp = info->var.bits_per_pixel; if (bpp == 16 && info->var.green.length == 5) @@ -735,8 +851,10 @@ static void riva_load_video_mode(struct fb_info *info) else newmode.misc_output |= 0x80; - par->riva.CalcStateExt(&par->riva, &newmode.ext, bpp, width, - hDisplaySize, height, dotClock); + rc = CalcStateExt(&par->riva, &newmode.ext, bpp, width, + hDisplaySize, height, dotClock); + if (rc) + goto out; newmode.ext.scale = NV_RD32(par->riva.PRAMDAC, 0x00000848) & 0xfff000ff; @@ -768,8 +886,12 @@ static void riva_load_video_mode(struct fb_info *info) par->current_state = newmode; riva_load_state(par, &par->current_state); par->riva.LockUnlock(&par->riva, 0); /* important for HW cursor */ - rivafb_blank(0, info); + +out: + rivafb_blank(FB_BLANK_UNBLANK, info); NVTRACE_LEAVE(); + + return rc; } static void riva_update_var(struct fb_var_screeninfo *var, struct fb_videomode *modedb) @@ -970,36 +1092,6 @@ static int riva_get_cmap_len(const struct fb_var_screeninfo *var) return rc; } -/* ------------------------------------------------------------------------- * - * - * Backlight operations - * - * ------------------------------------------------------------------------- */ - -#ifdef CONFIG_PMAC_BACKLIGHT -static int riva_set_backlight_enable(int on, int level, void *data) -{ - struct riva_par *par = data; - U032 tmp_pcrt, tmp_pmc; - - tmp_pmc = par->riva.PMC[0x10F0/4] & 0x0000FFFF; - tmp_pcrt = par->riva.PCRTC0[0x081C/4] & 0xFFFFFFFC; - if(on && (level > BACKLIGHT_OFF)) { - tmp_pcrt |= 0x1; - tmp_pmc |= (1 << 31); // backlight bit - tmp_pmc |= riva_backlight_levels[level-1] << 16; // level - } - par->riva.PCRTC0[0x081C/4] = tmp_pcrt; - par->riva.PMC[0x10F0/4] = tmp_pmc; - return 0; -} - -static int riva_set_backlight_level(int level, void *data) -{ - return riva_set_backlight_enable(1, level, data); -} -#endif /* CONFIG_PMAC_BACKLIGHT */ - /* ------------------------------------------------------------------------- * * * framebuffer operations @@ -1167,12 +1259,15 @@ static int rivafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) static int rivafb_set_par(struct fb_info *info) { struct riva_par *par = info->par; + int rc = 0; NVTRACE_ENTER(); /* vgaHWunlock() + riva unlock (0x7F) */ CRTCout(par, 0x11, 0xFF); par->riva.LockUnlock(&par->riva, 0); - riva_load_video_mode(info); + rc = riva_load_video_mode(info); + if (rc) + goto out; if(!(info->flags & FBINFO_HWACCEL_DISABLED)) riva_setup_accel(info); @@ -1185,8 +1280,10 @@ static int rivafb_set_par(struct fb_info *info) info->pixmap.scan_align = 1; else info->pixmap.scan_align = 4; + +out: NVTRACE_LEAVE(); - return 0; + return rc; } /** @@ -1246,11 +1343,7 @@ static int rivafb_blank(int blank, struct fb_info *info) SEQout(par, 0x01, tmp); CRTCout(par, 0x1a, vesa); -#ifdef CONFIG_PMAC_BACKLIGHT - if ( par->FlatPanel && _machine == _MACH_Pmac) { - set_backlight_enable(!blank); - } -#endif + riva_bl_set_power(info, blank); NVTRACE_LEAVE(); @@ -1711,8 +1804,8 @@ static int __devinit riva_get_EDID_OF(struct fb_info *info, struct pci_dev *pd) { struct riva_par *par = info->par; struct device_node *dp; - unsigned char *pedid = NULL; - unsigned char *disptype = NULL; + const unsigned char *pedid = NULL; + const unsigned char *disptype = NULL; static char *propnames[] = { "DFP,EDID", "LCD,EDID", "EDID", "EDID1", "EDID,B", "EDID,A", NULL }; int i; @@ -1720,16 +1813,15 @@ static int __devinit riva_get_EDID_OF(struct fb_info *info, struct pci_dev *pd) NVTRACE_ENTER(); dp = pci_device_to_OF_node(pd); for (; dp != NULL; dp = dp->child) { - disptype = (unsigned char *)get_property(dp, "display-type", NULL); + disptype = get_property(dp, "display-type", NULL); if (disptype == NULL) continue; if (strncmp(disptype, "LCD", 3) != 0) continue; for (i = 0; propnames[i] != NULL; ++i) { - pedid = (unsigned char *) - get_property(dp, propnames[i], NULL); + pedid = get_property(dp, propnames[i], NULL); if (pedid != NULL) { - par->EDID = pedid; + par->EDID = (unsigned char *)pedid; NVTRACE("LCD found.\n"); return 1; } @@ -2021,6 +2113,9 @@ static int __devinit rivafb_probe(struct pci_dev *pd, fb_destroy_modedb(info->monspecs.modedb); info->monspecs.modedb = NULL; + + pci_set_drvdata(pd, info); + riva_bl_init(info->par); ret = register_framebuffer(info); if (ret < 0) { printk(KERN_ERR PFX @@ -2028,19 +2123,13 @@ static int __devinit rivafb_probe(struct pci_dev *pd, goto err_iounmap_screen_base; } - pci_set_drvdata(pd, info); - printk(KERN_INFO PFX "PCI nVidia %s framebuffer ver %s (%dMB @ 0x%lX)\n", info->fix.id, RIVAFB_VERSION, info->fix.smem_len / (1024 * 1024), info->fix.smem_start); -#ifdef CONFIG_PMAC_BACKLIGHT - if (default_par->FlatPanel && _machine == _MACH_Pmac) - register_backlight_controller(&riva_backlight_controller, - default_par, "mnca"); -#endif + NVTRACE_LEAVE(); return 0; @@ -2057,7 +2146,6 @@ err_iounmap_ctrl_base: err_release_region: pci_release_regions(pd); err_disable_device: - pci_disable_device(pd); err_free_pixmap: kfree(info->pixmap.addr); err_framebuffer_release: @@ -2072,8 +2160,8 @@ static void __exit rivafb_remove(struct pci_dev *pd) struct riva_par *par = info->par; NVTRACE_ENTER(); - if (!info) - return; + + riva_bl_exit(par); #ifdef CONFIG_FB_RIVA_I2C riva_delete_i2c_busses(par); @@ -2092,7 +2180,6 @@ static void __exit rivafb_remove(struct pci_dev *pd) if (par->riva.Architecture == NV_ARCH_03) iounmap(par->riva.PRAMIN); pci_release_regions(pd); - pci_disable_device(pd); kfree(info->pixmap.addr); framebuffer_release(info); pci_set_drvdata(pd, NULL);