diff options
author | Dmitry Torokhov <dtor@insightbb.com> | 2006-09-19 01:56:44 -0400 |
---|---|---|
committer | Dmitry Torokhov <dtor@insightbb.com> | 2006-09-19 01:56:44 -0400 |
commit | 0612ec48762bf8712db1925b2e67246d2237ebab (patch) | |
tree | 01b0d69c9c9915015c0f23ad4263646dd5413e99 /drivers/video/nvidia | |
parent | 4263cf0fac28122c8381b6f4f9441a43cd93c81f (diff) | |
parent | 47a5c6fa0e204a2b63309c648bb2fde36836c826 (diff) |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/video/nvidia')
-rw-r--r-- | drivers/video/nvidia/nv_backlight.c | 42 | ||||
-rw-r--r-- | drivers/video/nvidia/nv_proto.h | 2 | ||||
-rw-r--r-- | drivers/video/nvidia/nvidia.c | 21 |
3 files changed, 40 insertions, 25 deletions
diff --git a/drivers/video/nvidia/nv_backlight.c b/drivers/video/nvidia/nv_backlight.c index 1c1c10c699c..5b75ae4e945 100644 --- a/drivers/video/nvidia/nv_backlight.c +++ b/drivers/video/nvidia/nv_backlight.c @@ -26,9 +26,11 @@ */ #define MIN_LEVEL 0x158 #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) { @@ -36,9 +38,7 @@ static int nvidia_bl_get_level_brightness(struct nvidia_par *par, int nlevel; /* Get and convert the value */ - mutex_lock(&info->bl_mutex); - nlevel = info->bl_curve[level] * FB_BACKLIGHT_MAX / MAX_LEVEL; - mutex_unlock(&info->bl_mutex); + nlevel = MIN_LEVEL + info->bl_curve[level] * LEVEL_STEP; if (nlevel < 0) nlevel = 0; @@ -50,7 +50,8 @@ static int nvidia_bl_get_level_brightness(struct nvidia_par *par, return nlevel; } -static int nvidia_bl_update_status(struct backlight_device *bd) +/* Call with fb_info->bl_mutex held */ +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; @@ -84,6 +85,19 @@ 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; @@ -96,6 +110,20 @@ static struct backlight_properties nvidia_bl_data = { .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); @@ -116,7 +144,7 @@ void nvidia_bl_init(struct nvidia_par *par) bd = backlight_device_register(name, par, &nvidia_bl_data); if (IS_ERR(bd)) { info->bl_dev = NULL; - printk("nvidia: Backlight registration failed\n"); + printk(KERN_WARNING "nvidia: Backlight registration failed\n"); goto error; } @@ -127,11 +155,11 @@ void nvidia_bl_init(struct nvidia_par *par) 0x534 * FB_BACKLIGHT_MAX / MAX_LEVEL); mutex_unlock(&info->bl_mutex); - up(&bd->sem); + down(&bd->sem); bd->props->brightness = nvidia_bl_data.max_brightness; bd->props->power = FB_BLANK_UNBLANK; bd->props->update_status(bd); - down(&bd->sem); + up(&bd->sem); #ifdef CONFIG_PMAC_BACKLIGHT mutex_lock(&pmac_backlight_mutex); diff --git a/drivers/video/nvidia/nv_proto.h b/drivers/video/nvidia/nv_proto.h index 6fba656cd56..86127101765 100644 --- a/drivers/video/nvidia/nv_proto.h +++ b/drivers/video/nvidia/nv_proto.h @@ -68,9 +68,11 @@ extern u8 byte_rev[256]; #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 b02d6033cc0..d4f85011787 100644 --- a/drivers/video/nvidia/nvidia.c +++ b/drivers/video/nvidia/nvidia.c @@ -14,7 +14,6 @@ #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> @@ -35,10 +34,6 @@ #include "nv_proto.h" #include "nv_dma.h" -#ifndef CONFIG_PCI /* sanity check */ -#error This driver requires PCI support. -#endif - #undef CONFIG_FB_NVIDIA_DEBUG #ifdef CONFIG_FB_NVIDIA_DEBUG #define NVTRACE printk @@ -933,16 +928,7 @@ static int nvidiafb_blank(int blank, struct fb_info *info) NVWriteSeq(par, 0x01, tmp); NVWriteCrtc(par, 0x1a, vesa); -#ifdef CONFIG_FB_NVIDIA_BACKLIGHT - mutex_lock(&info->bl_mutex); - if (info->bl_dev) { - down(&info->bl_dev->sem); - info->bl_dev->props->power = blank; - info->bl_dev->props->update_status(info->bl_dev); - up(&info->bl_dev->sem); - } - mutex_unlock(&info->bl_mutex); -#endif + nvidia_bl_set_power(info, blank); NVTRACE_LEAVE(); @@ -1313,20 +1299,19 @@ 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 (register_framebuffer(info) < 0) { printk(KERN_ERR PFX "error registering nVidia framebuffer\n"); goto err_out_iounmap_fb; } - pci_set_drvdata(pd, info); printk(KERN_INFO PFX "PCI nVidia %s framebuffer (%dMB @ 0x%lX)\n", info->fix.id, par->FbMapSize / (1024 * 1024), info->fix.smem_start); - nvidia_bl_init(par); - NVTRACE_LEAVE(); return 0; |