diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/pxafb.c | 59 |
1 files changed, 35 insertions, 24 deletions
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index 0031a5fefa26..417561779ec2 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -71,6 +71,18 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, struct pxafb_info *); static void set_ctrlr_state(struct pxafb_info *fbi, u_int state); +static inline unsigned long +lcd_readl(struct pxafb_info *fbi, unsigned int off) +{ + return __raw_readl(fbi->mmio_base + off); +} + +static inline void +lcd_writel(struct pxafb_info *fbi, unsigned int off, unsigned long val) +{ + __raw_writel(val, fbi->mmio_base + off); +} + static inline void pxafb_schedule_work(struct pxafb_info *fbi, u_int state) { unsigned long flags; @@ -684,8 +696,7 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, fbi->reg_lccr1 = new_regs.lccr1; fbi->reg_lccr2 = new_regs.lccr2; fbi->reg_lccr3 = new_regs.lccr3; - fbi->reg_lccr4 = __raw_readl(fbi->mmio_base + LCCR4) & - (~LCCR4_PAL_FOR_MASK); + fbi->reg_lccr4 = lcd_readl(fbi, LCCR4) & ~LCCR4_PAL_FOR_MASK; fbi->reg_lccr4 |= (fbi->lccr4 & LCCR4_PAL_FOR_MASK); set_hsync_time(fbi, pcd); local_irq_restore(flags); @@ -694,12 +705,12 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, * Only update the registers if the controller is enabled * and something has changed. */ - if ((__raw_readl(fbi->mmio_base + LCCR0) != fbi->reg_lccr0) || - (__raw_readl(fbi->mmio_base + LCCR1) != fbi->reg_lccr1) || - (__raw_readl(fbi->mmio_base + LCCR2) != fbi->reg_lccr2) || - (__raw_readl(fbi->mmio_base + LCCR3) != fbi->reg_lccr3) || - (__raw_readl(fbi->mmio_base + FDADR0) != fbi->fdadr[0]) || - (__raw_readl(fbi->mmio_base + FDADR1) != fbi->fdadr[1])) + if ((lcd_readl(fbi, LCCR0) != fbi->reg_lccr0) || + (lcd_readl(fbi, LCCR1) != fbi->reg_lccr1) || + (lcd_readl(fbi, LCCR2) != fbi->reg_lccr2) || + (lcd_readl(fbi, LCCR3) != fbi->reg_lccr3) || + (lcd_readl(fbi, FDADR0) != fbi->fdadr[0]) || + (lcd_readl(fbi, FDADR1) != fbi->fdadr[1])) pxafb_schedule_work(fbi, C_REENABLE); return 0; @@ -785,14 +796,14 @@ static void pxafb_enable_controller(struct pxafb_info *fbi) clk_enable(fbi->clk); /* Sequence from 11.7.10 */ - __raw_writel(fbi->reg_lccr3, fbi->mmio_base + LCCR3); - __raw_writel(fbi->reg_lccr2, fbi->mmio_base + LCCR2); - __raw_writel(fbi->reg_lccr1, fbi->mmio_base + LCCR1); - __raw_writel(fbi->reg_lccr0 & ~LCCR0_ENB, fbi->mmio_base + LCCR0); - - __raw_writel(fbi->fdadr[0], fbi->mmio_base + FDADR0); - __raw_writel(fbi->fdadr[1], fbi->mmio_base + FDADR1); - __raw_writel(fbi->reg_lccr0 | LCCR0_ENB, fbi->mmio_base + LCCR0); + lcd_writel(fbi, LCCR3, fbi->reg_lccr3); + lcd_writel(fbi, LCCR2, fbi->reg_lccr2); + lcd_writel(fbi, LCCR1, fbi->reg_lccr1); + lcd_writel(fbi, LCCR0, fbi->reg_lccr0 & ~LCCR0_ENB); + + lcd_writel(fbi, FDADR0, fbi->fdadr[0]); + lcd_writel(fbi, FDADR1, fbi->fdadr[1]); + lcd_writel(fbi, LCCR0, fbi->reg_lccr0 | LCCR0_ENB); } static void pxafb_disable_controller(struct pxafb_info *fbi) @@ -805,11 +816,11 @@ static void pxafb_disable_controller(struct pxafb_info *fbi) add_wait_queue(&fbi->ctrlr_wait, &wait); /* Clear LCD Status Register */ - __raw_writel(0xffffffff, fbi->mmio_base + LCSR); + lcd_writel(fbi, LCSR, 0xffffffff); - lccr0 = __raw_readl(fbi->mmio_base + LCCR0) & ~LCCR0_LDM; - __raw_writel(lccr0, fbi->mmio_base + LCCR0); - __raw_writel(lccr0 | LCCR0_DIS, fbi->mmio_base + LCCR0); + lccr0 = lcd_readl(fbi, LCCR0) & ~LCCR0_LDM; + lcd_writel(fbi, LCCR0, lccr0); + lcd_writel(fbi, LCCR0, lccr0 | LCCR0_DIS); schedule_timeout(200 * HZ / 1000); remove_wait_queue(&fbi->ctrlr_wait, &wait); @@ -824,15 +835,15 @@ static void pxafb_disable_controller(struct pxafb_info *fbi) static irqreturn_t pxafb_handle_irq(int irq, void *dev_id) { struct pxafb_info *fbi = dev_id; - unsigned int lccr0, lcsr = __raw_readl(fbi->mmio_base + LCSR); + unsigned int lccr0, lcsr = lcd_readl(fbi, LCSR); if (lcsr & LCSR_LDD) { - lccr0 = __raw_readl(fbi->mmio_base + LCCR0) | LCCR0_LDM; - __raw_writel(lccr0, fbi->mmio_base + LCCR0); + lccr0 = lcd_readl(fbi, LCCR0); + lcd_writel(fbi, LCCR0, lccr0 | LCCR0_LDM); wake_up(&fbi->ctrlr_wait); } - __raw_writel(lcsr, fbi->mmio_base + LCSR); + lcd_writel(fbi, LCSR, lcsr); return IRQ_HANDLED; } |