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video: mmp: optimize some register setting code 

There are dumplicate code of the smooth setting based on different
path, optimized the routine and use readl_relaxed instead.

Signed-off-by: Jett.Zhou <jtzhou@marvell.com>
Signed-off-by: Jing Xiang <jxiang@marvell.com>
Signed-off-by: Guoqing Li <ligq@marvell.com>
Signed-off-by: Zhou Zhu <zzhu3@marvell.com>
Reviewed-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Guoqing Li 2013-09-13 14:59:47 +08:00 committed by Tomi Valkeinen
parent 7ebdc78af2
commit 1f2e42c6c3
1 changed files with 7 additions and 15 deletions
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22
drivers/video/mmp/hw/mmp_ctrl.c
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@ -53,7 +53,7 @@ static irqreturn_t ctrl_handle_irq(int irq, void *dev_id)
tmp = readl_relaxed(ctrl->reg_base + SPU_IRQ_ISR);
if (tmp & isr)
writel_relaxed(~isr, ctrl->reg_base + SPU_IRQ_ISR);
} while ((isr = readl(ctrl->reg_base + SPU_IRQ_ISR)) & imask);
} while ((isr = readl_relaxed(ctrl->reg_base + SPU_IRQ_ISR)) & imask);
return IRQ_HANDLED;
}
@ -372,20 +372,12 @@ static void path_set_default(struct mmp_path *path)
* bus arbiter for faster read if not tv path;
* 2.enable horizontal smooth filter;
*/
if (PATH_PN == path->id) {
mask = CFG_GRA_HSMOOTH_MASK | CFG_DMA_HSMOOTH_MASK
| CFG_ARBFAST_ENA(1);
tmp = readl_relaxed(ctrl_regs(path) + dma_ctrl(0, path->id));
tmp |= mask;
writel_relaxed(tmp, ctrl_regs(path) + dma_ctrl(0, path->id));
} else if (PATH_TV == path->id) {
mask = CFG_GRA_HSMOOTH_MASK | CFG_DMA_HSMOOTH_MASK
| CFG_ARBFAST_ENA(1);
tmp = readl_relaxed(ctrl_regs(path) + dma_ctrl(0, path->id));
tmp &= ~mask;
tmp |= CFG_GRA_HSMOOTH_MASK | CFG_DMA_HSMOOTH_MASK;
writel_relaxed(tmp, ctrl_regs(path) + dma_ctrl(0, path->id));
}
mask = CFG_GRA_HSMOOTH_MASK | CFG_DMA_HSMOOTH_MASK | CFG_ARBFAST_ENA(1);
tmp = readl_relaxed(ctrl_regs(path) + dma_ctrl(0, path->id));
tmp |= mask;
if (PATH_TV == path->id)
tmp &= ~CFG_ARBFAST_ENA(1);
writel_relaxed(tmp, ctrl_regs(path) + dma_ctrl(0, path->id));
}
static int path_init(struct mmphw_path_plat *path_plat,