+#ifdef CONFIG_PM
+
+struct locomo_save_data {
+ u16 LCM_GPO;
+ u16 LCM_SPICT;
+ u16 LCM_GPE;
+ u16 LCM_ASD;
+ u16 LCM_SPIMD;
+};
+
+static int locomo_suspend(struct platform_device *dev, pm_message_t state)
+{
+ struct locomo *lchip = platform_get_drvdata(dev);
+ struct locomo_save_data *save;
+ unsigned long flags;
+
+ save = kmalloc(sizeof(struct locomo_save_data), GFP_KERNEL);
+ if (!save)
+ return -ENOMEM;
+
+ dev->dev.power.saved_state = (void *) save;
+
+ spin_lock_irqsave(&lchip->lock, flags);
+
+ save->LCM_GPO = locomo_readl(lchip->base + LOCOMO_GPO); /* GPIO */
+ locomo_writel(0x00, lchip->base + LOCOMO_GPO);
+ save->LCM_SPICT = locomo_readl(lchip->base + LOCOMO_SPICT); /* SPI */
+ locomo_writel(0x40, lchip->base + LOCOMO_SPICT);
+ save->LCM_GPE = locomo_readl(lchip->base + LOCOMO_GPE); /* GPIO */
+ locomo_writel(0x00, lchip->base + LOCOMO_GPE);
+ save->LCM_ASD = locomo_readl(lchip->base + LOCOMO_ASD); /* ADSTART */
+ locomo_writel(0x00, lchip->base + LOCOMO_ASD);
+ save->LCM_SPIMD = locomo_readl(lchip->base + LOCOMO_SPIMD); /* SPI */
+ locomo_writel(0x3C14, lchip->base + LOCOMO_SPIMD);
+
+ locomo_writel(0x00, lchip->base + LOCOMO_PAIF);
+ locomo_writel(0x00, lchip->base + LOCOMO_DAC);
+ locomo_writel(0x00, lchip->base + LOCOMO_BACKLIGHT + LOCOMO_TC);
+
+ if ( (locomo_readl(lchip->base + LOCOMO_LED + LOCOMO_LPT0) & 0x88) && (locomo_readl(lchip->base + LOCOMO_LED + LOCOMO_LPT1) & 0x88) )
+ locomo_writel(0x00, lchip->base + LOCOMO_C32K); /* CLK32 off */
+ else
+ /* 18MHz already enabled, so no wait */
+ locomo_writel(0xc1, lchip->base + LOCOMO_C32K); /* CLK32 on */
+
+ locomo_writel(0x00, lchip->base + LOCOMO_TADC); /* 18MHz clock off*/
+ locomo_writel(0x00, lchip->base + LOCOMO_AUDIO + LOCOMO_ACC); /* 22MHz/24MHz clock off */
+ locomo_writel(0x00, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS); /* FL */
+
+ spin_unlock_irqrestore(&lchip->lock, flags);
+
+ return 0;
+}
+
+static int locomo_resume(struct platform_device *dev)
+{
+ struct locomo *lchip = platform_get_drvdata(dev);
+ struct locomo_save_data *save;
+ unsigned long r;
+ unsigned long flags;
+
+ save = (struct locomo_save_data *) dev->dev.power.saved_state;
+ if (!save)
+ return 0;
+
+ spin_lock_irqsave(&lchip->lock, flags);
+
+ locomo_writel(save->LCM_GPO, lchip->base + LOCOMO_GPO);
+ locomo_writel(save->LCM_SPICT, lchip->base + LOCOMO_SPICT);
+ locomo_writel(save->LCM_GPE, lchip->base + LOCOMO_GPE);
+ locomo_writel(save->LCM_ASD, lchip->base + LOCOMO_ASD);
+ locomo_writel(save->LCM_SPIMD, lchip->base + LOCOMO_SPIMD);
+
+ locomo_writel(0x00, lchip->base + LOCOMO_C32K);
+ locomo_writel(0x90, lchip->base + LOCOMO_TADC);
+
+ locomo_writel(0, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KSC);
+ r = locomo_readl(lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
+ r &= 0xFEFF;
+ locomo_writel(r, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
+ locomo_writel(0x1, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KCMD);
+
+ spin_unlock_irqrestore(&lchip->lock, flags);
+ kfree(save);
+
+ return 0;
+}
+#endif
+
+
+#define LCM_ALC_EN 0x8000
+
+void frontlight_set(struct locomo *lchip, int duty, int vr, int bpwf)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&lchip->lock, flags);
+ locomo_writel(bpwf, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
+ udelay(100);
+ locomo_writel(duty, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALD);
+ locomo_writel(bpwf | LCM_ALC_EN, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
+ spin_unlock_irqrestore(&lchip->lock, flags);
+}
+
+