*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/moduleparam.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/vmalloc.h>
#include <linux/delay.h>
static void wait_for_idle(struct aty128fb_par *par);
static u32 depth_to_dst(u32 depth);
+#ifdef CONFIG_FB_ATY128_BACKLIGHT
+static void aty128_bl_set_power(struct fb_info *info, int power);
+#endif
+
#define BIOS_IN8(v) (readb(bios + (v)))
#define BIOS_IN16(v) (readb(bios + (v)) | \
(readb(bios + (v) + 1) << 8))
reg &= ~LVDS_DISPLAY_DIS;
aty_st_le32(LVDS_GEN_CNTL, reg);
#ifdef CONFIG_FB_ATY128_BACKLIGHT
- mutex_lock(&info->bl_mutex);
- if (info->bl_dev) {
- down(&info->bl_dev->sem);
- info->bl_dev->props->update_status(info->bl_dev);
- up(&info->bl_dev->sem);
- }
- mutex_unlock(&info->bl_mutex);
+ aty128_bl_set_power(info, FB_BLANK_UNBLANK);
#endif
} else {
#ifdef CONFIG_FB_ATY128_BACKLIGHT
- mutex_lock(&info->bl_mutex);
- if (info->bl_dev) {
- down(&info->bl_dev->sem);
- info->bl_dev->props->brightness = 0;
- info->bl_dev->props->power = FB_BLANK_POWERDOWN;
- info->bl_dev->props->update_status(info->bl_dev);
- up(&info->bl_dev->sem);
- }
- mutex_unlock(&info->bl_mutex);
+ aty128_bl_set_power(info, FB_BLANK_POWERDOWN);
#endif
reg = aty_ld_le32(LVDS_GEN_CNTL);
reg |= LVDS_DISPLAY_DIS;
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)
{
int atylevel;
/* Get and convert the value */
- mutex_lock(&info->bl_mutex);
atylevel = MAX_LEVEL -
(info->bl_curve[level] * FB_BACKLIGHT_MAX / MAX_LEVEL);
- mutex_unlock(&info->bl_mutex);
if (atylevel < 0)
atylevel = 0;
/* That one prevents proper CRT output with LCD off */
#undef BACKLIGHT_DAC_OFF
-static int aty128_bl_update_status(struct backlight_device *bd)
+/* Call with fb_info->bl_mutex held */
+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);
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;
.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);
+ }
+
+ mutex_unlock(&info->bl_mutex);
+}
+
static void aty128_bl_init(struct aty128fb_par *par)
{
struct fb_info *info = pci_get_drvdata(par->pdev);
snprintf(name, sizeof(name), "aty128bl%d", info->node);
- bd = backlight_device_register(name, par, &aty128_bl_data);
+ bd = backlight_device_register(name, info->dev, par, &aty128_bl_data);
if (IS_ERR(bd)) {
info->bl_dev = NULL;
- printk("aty128: Backlight registration failed\n");
+ printk(KERN_WARNING "aty128: Backlight registration failed\n");
goto error;
}
219 * FB_BACKLIGHT_MAX / MAX_LEVEL);
mutex_unlock(&info->bl_mutex);
- up(&bd->sem);
+ down(&bd->sem);
bd->props->brightness = aty128_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);
u8 chip_rev;
u32 dac;
- if (!par->vram_size) /* may have already been probed */
- par->vram_size = aty_ld_le32(CONFIG_MEMSIZE) & 0x03FFFFFF;
-
/* Get the chip revision */
chip_rev = (aty_ld_le32(CONFIG_CNTL) >> 16) & 0x1F;
aty128_init_engine(par);
- if (register_framebuffer(info) < 0)
- return 0;
-
par->pm_reg = pci_find_capability(pdev, PCI_CAP_ID_PM);
par->pdev = pdev;
par->asleep = 0;
aty128_bl_init(par);
#endif
+ if (register_framebuffer(info) < 0)
+ return 0;
+
printk(KERN_INFO "fb%d: %s frame buffer device on %s\n",
info->node, info->fix.id, video_card);
par = info->par;
info->pseudo_palette = par->pseudo_palette;
- info->fix = aty128fb_fix;
/* Virtualize mmio region */
info->fix.mmio_start = reg_addr;
return 0;
#ifdef CONFIG_FB_ATY128_BACKLIGHT
- if (machine_is(powermac) && blank) {
- down(&fb->bl_dev->sem);
- fb->bl_dev->props->power = FB_BLANK_POWERDOWN;
- fb->bl_dev->props->update_status(fb->bl_dev);
- up(&fb->bl_dev->sem);
- }
+ if (machine_is(powermac) && blank)
+ aty128_bl_set_power(fb, FB_BLANK_POWERDOWN);
#endif
if (blank & FB_BLANK_VSYNC_SUSPEND)
aty128_set_crt_enable(par, par->crt_on && !blank);
aty128_set_lcd_enable(par, par->lcd_on && !blank);
}
+
#ifdef CONFIG_FB_ATY128_BACKLIGHT
- if (machine_is(powermac) && !blank) {
- down(&fb->bl_dev->sem);
- fb->bl_dev->props->power = FB_BLANK_UNBLANK;
- fb->bl_dev->props->update_status(fb->bl_dev);
- up(&fb->bl_dev->sem);
- }
+ if (machine_is(powermac) && !blank)
+ aty128_bl_set_power(fb, FB_BLANK_UNBLANK);
#endif
+
return 0;
}