void backlight_level_ctrl(s32 value) { if ((value < BACKLIGHT_LEVEL_MIN) || /* Invalid Value */ (value > BACKLIGHT_LEVEL_MAX) || (value == backlight_level)) /* Same Value */ return; if (backlight_power) s3cfb_set_brightness((int)(value/3)); backlight_level = value; }
static void backlight_ctrl(s32 value) { int err, ret; if (value) { /* backlight ON */ if (lcd_power == OFF) { ret = lcd_power_ctrl(ON); if (ret != 0) { printk(KERN_ERR "lcd power on control is failed\n"); return; } } if (gpio_is_valid(S3C64XX_GPF(15))) { err = gpio_request(S3C64XX_GPF(15), "GPF"); if (err) { printk(KERN_ERR "failed to request GPF for " "lcd backlight control\n"); } gpio_direction_output(S3C64XX_GPF(15), 1); } s3cfb_set_brightness((int)(value/3)); } else { ret = lcd_power_ctrl(OFF); if (ret != 0) { printk(KERN_ERR "lcd power off control is failed\n"); } /* backlight OFF */ if (gpio_is_valid(S3C64XX_GPF(15))) { err = gpio_request(S3C64XX_GPF(15), "GPF"); if (err) { printk(KERN_ERR "failed to request GPF for " "lcd backlight control\n"); } gpio_direction_output(S3C64XX_GPF(15), 0); } } gpio_free(S3C64XX_GPF(15)); }
int s3cfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) { s3cfb_info_t *fbi = container_of(info, s3cfb_info_t, fb); s3cfb_win_info_t win_info; s3cfb_color_key_info_t colkey_info; s3cfb_color_val_info_t colval_info; s3cfb_dma_info_t dma_info; s3cfb_next_info_t next_fb_info; struct fb_var_screeninfo *var= &fbi->fb.var; unsigned int crt, alpha_level, alpha_mode; #if defined(CONFIG_S3C6410_PWM) int brightness; #endif #if defined(CONFIG_FB_S3C_DOUBLE_BUFFERING) unsigned int f_num_val; #endif #if defined(CONFIG_FB_S3C_VIRTUAL_SCREEN) s3cfb_vs_info_t vs_info; #endif switch(cmd){ case S3CFB_GET_INFO: dma_info.map_dma_f1 = fbi->map_dma_f1; dma_info.map_dma_f2 = fbi->map_dma_f2; if(copy_to_user((void *) arg, (const void *) &dma_info, sizeof(s3cfb_dma_info_t))) return -EFAULT; break; case S3CFB_OSD_SET_INFO: if (copy_from_user(&win_info, (s3cfb_win_info_t *) arg, sizeof(s3cfb_win_info_t))) return -EFAULT; s3cfb_init_win(fbi, win_info.bpp, win_info.left_x, win_info.top_y, win_info.width, win_info.height, OFF); break; case S3CFB_OSD_START: s3cfb_onoff_win(fbi, ON); break; case S3CFB_OSD_STOP: s3cfb_onoff_win(fbi, OFF); break; case S3CFB_OSD_ALPHA_UP: alpha_level = readl(S3C_VIDOSD0C + (0x10 * fbi->win_id)) & 0xf; if (alpha_level < S3CFB_MAX_ALPHA_LEVEL) alpha_level++; s3cfb_set_alpha_level(fbi, alpha_level, 1); break; case S3CFB_OSD_ALPHA_DOWN: alpha_level = readl(S3C_VIDOSD0C + (0x10 * fbi->win_id)) & 0xf; if (alpha_level > 0) alpha_level--; s3cfb_set_alpha_level(fbi, alpha_level, 1); break; case S3CFB_OSD_ALPHA0_SET: alpha_level = (unsigned int) arg; if (alpha_level > S3CFB_MAX_ALPHA_LEVEL) alpha_level = S3CFB_MAX_ALPHA_LEVEL; s3cfb_set_alpha_level(fbi, alpha_level, 0); break; case S3CFB_OSD_ALPHA1_SET: alpha_level = (unsigned int) arg; if (alpha_level > S3CFB_MAX_ALPHA_LEVEL) alpha_level = S3CFB_MAX_ALPHA_LEVEL; s3cfb_set_alpha_level(fbi, alpha_level, 1); break; case S3CFB_OSD_ALPHA_MODE: alpha_mode = (unsigned int) arg; s3cfb_set_alpha_mode(fbi, alpha_mode); break; case S3CFB_OSD_MOVE_LEFT: if (var->xoffset > 0) var->xoffset--; s3cfb_set_win_position(fbi, var->xoffset, var->yoffset, var->xres, var->yres); break; case S3CFB_OSD_MOVE_RIGHT: if (var->xoffset < (s3cfb_fimd.width - var->xres)) var->xoffset++; s3cfb_set_win_position(fbi, var->xoffset, var->yoffset, var->xres, var->yres); break; case S3CFB_OSD_MOVE_UP: if (var->yoffset > 0) var->yoffset--; s3cfb_set_win_position(fbi, var->xoffset, var->yoffset, var->xres, var->yres); break; case S3CFB_OSD_MOVE_DOWN: if (var->yoffset < (s3cfb_fimd.height - var->yres)) var->yoffset++; s3cfb_set_win_position(fbi, var->xoffset, var->yoffset, var->xres, var->yres); break; case FBIO_WAITFORVSYNC: if (get_user(crt, (unsigned int __user *)arg)) return -EFAULT; return s3cfb_wait_for_vsync(); case S3CFB_COLOR_KEY_START: s3cfb_onoff_color_key(fbi, ON); break; case S3CFB_COLOR_KEY_STOP: s3cfb_onoff_color_key(fbi, OFF); break; case S3CFB_COLOR_KEY_ALPHA_START: s3cfb_onoff_color_key_alpha(fbi, ON); break; case S3CFB_COLOR_KEY_ALPHA_STOP: s3cfb_onoff_color_key_alpha(fbi, OFF); break; case S3CFB_COLOR_KEY_SET_INFO: if (copy_from_user(&colkey_info, (s3cfb_color_key_info_t *) arg, sizeof(s3cfb_color_key_info_t))) return -EFAULT; s3cfb_set_color_key_registers(fbi, colkey_info); break; case S3CFB_COLOR_KEY_VALUE: if (copy_from_user(&colval_info, (s3cfb_color_val_info_t *) arg, sizeof(s3cfb_color_val_info_t))) return -EFAULT; s3cfb_set_color_value(fbi, colval_info); break; case S3CFB_SET_VSYNC_INT: s3cfb_fimd.vidintcon0 &= ~S3C_VIDINTCON0_FRAMESEL0_MASK; s3cfb_fimd.vidintcon0 |= S3C_VIDINTCON0_FRAMESEL0_VSYNC; if (arg) s3cfb_fimd.vidintcon0 |= S3C_VIDINTCON0_INTFRMEN_ENABLE; else s3cfb_fimd.vidintcon0 &= ~S3C_VIDINTCON0_INTFRMEN_ENABLE; writel(s3cfb_fimd.vidintcon0, S3C_VIDINTCON0); break; case S3CFB_SET_NEXT_FB_INFO: if (copy_from_user(&next_fb_info, (s3cfb_next_info_t *) arg, sizeof(s3cfb_next_info_t))) return -EFAULT; if ((next_fb_info.xres + next_fb_info.xoffset) > next_fb_info.xres_virtual || (next_fb_info.yres + next_fb_info.yoffset) > next_fb_info.yres_virtual || (next_fb_info.xres + next_fb_info.lcd_offset_x ) > s3cfb_fimd.width || (next_fb_info.yres + next_fb_info.lcd_offset_y ) > s3cfb_fimd.height) { printk("Error : S3CFB_SET_NEXT_FB_INFO\n"); return -EINVAL; } fbi->next_fb_info = next_fb_info; fbi->next_fb_info_change_req = 1; break; case S3CFB_GET_CURR_FB_INFO: next_fb_info.phy_start_addr = fbi->fb.fix.smem_start; next_fb_info.xres = fbi->fb.var.xres; next_fb_info.yres = fbi->fb.var.yres; next_fb_info.xres_virtual = fbi->fb.var.xres_virtual; next_fb_info.yres_virtual = fbi->fb.var.yres_virtual; next_fb_info.xoffset = fbi->fb.var.xoffset; next_fb_info.yoffset = fbi->fb.var.yoffset; next_fb_info.lcd_offset_x = fbi->lcd_offset_x; next_fb_info.lcd_offset_y = fbi->lcd_offset_y; if (copy_to_user((void *)arg, (s3cfb_next_info_t *) &next_fb_info, sizeof(s3cfb_next_info_t))) return -EFAULT; break; case S3CFB_GET_BRIGHTNESS: if (copy_to_user((void *)arg, (const void *) &s3cfb_fimd.brightness, sizeof(int))) return -EFAULT; break; #if defined(CONFIG_S3C6410_PWM) case S3CFB_SET_BRIGHTNESS: if (copy_from_user(&brightness, (int *) arg, sizeof(int))) return -EFAULT; s3cfb_set_brightness(brightness); break; #endif #if defined(CONFIG_FB_S3C_VIRTUAL_SCREEN) case S3CFB_VS_START: s3cfb_fimd.wincon0 &= ~(S3C_WINCONx_ENWIN_F_ENABLE); writel(s3cfb_fimd.wincon0 | S3C_WINCONx_ENWIN_F_ENABLE, S3C_WINCON0); fbi->fb.var.xoffset = s3cfb_fimd.xoffset; fbi->fb.var.yoffset = s3cfb_fimd.yoffset; break; case S3CFB_VS_STOP: s3cfb_fimd.vidw00add0b0 = fbi->screen_dma_f1; s3cfb_fimd.vidw00add0b1 = fbi->screen_dma_f2; fbi->fb.var.xoffset = 0; fbi->fb.var.yoffset = 0; writel(s3cfb_fimd.vidw00add0b0, S3C_VIDW00ADD0B0); writel(s3cfb_fimd.vidw00add0b1, S3C_VIDW00ADD0B1); break; case S3CFB_VS_SET_INFO: if (copy_from_user(&vs_info, (s3cfb_vs_info_t *) arg, sizeof(s3cfb_vs_info_t))) return -EFAULT; if (s3cfb_set_vs_info(vs_info)) { printk("Error S3CFB_VS_SET_INFO\n"); return -EINVAL; } s3cfb_set_vs_registers(S3CFB_VS_SET); fbi->fb.var.xoffset = s3cfb_fimd.xoffset; fbi->fb.var.yoffset = s3cfb_fimd.yoffset; break; case S3CFB_VS_MOVE: s3cfb_set_vs_registers(arg); fbi->fb.var.xoffset = s3cfb_fimd.xoffset; fbi->fb.var.yoffset = s3cfb_fimd.yoffset; break; #endif #if defined(CONFIG_FB_S3C_DOUBLE_BUFFERING) case S3CFB_GET_NUM: if (copy_from_user((void *)&f_num_val, (const void *)arg, sizeof(u_int))) return -EFAULT; if (copy_to_user((void *)arg, (const void *) &f_num_val, sizeof(u_int))) return -EFAULT; break; case S3CFB_CHANGE_REQ: s3cfb_change_buff(0, (int) arg); break; #endif default: return -EINVAL; } return 0; }