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video: imxfb: remove cpu_is_xxx by using platform_device_id

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It changes the driver to use platform_device_id rather than cpu_is_xxx
to determine the controller type, and updates the platform code
accordingly.

As the result, mach/hardware.h inclusion gets removed from the driver.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: linux-fbdev@vger.kernel.org
This commit is contained in:
Shawn Guo
2012-09-16 19:59:53 +08:00
parent 7f917a8df6
commit e69dc9a91e
7 changed files with 51 additions and 23 deletions
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38
drivers/video/imxfb.c
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@@ -33,7 +33,6 @@
#include <linux/math64.h>
#include <linux/platform_data/video-imxfb.h>
#include <mach/hardware.h>
/*
* Complain if VAR is out of range.
@@ -53,8 +52,8 @@
#define LCDC_SIZE 0x04
#define SIZE_XMAX(x) ((((x) >> 4) & 0x3f) << 20)
#define YMAX_MASK (cpu_is_mx1() ? 0x1ff : 0x3ff)
#define SIZE_YMAX(y) ((y) & YMAX_MASK)
#define YMAX_MASK_IMX1 0x1ff
#define YMAX_MASK_IMX21 0x3ff
#define LCDC_VPW 0x08
#define VPW_VPW(x) ((x) & 0x3ff)
@@ -128,12 +127,18 @@ struct imxfb_rgb {
struct fb_bitfield transp;
};
enum imxfb_type {
IMX1_FB,
IMX21_FB,
};
struct imxfb_info {
struct platform_device *pdev;
void __iomem *regs;
struct clk *clk_ipg;
struct clk *clk_ahb;
struct clk *clk_per;
enum imxfb_type devtype;
/*
* These are the addresses we mapped
@@ -168,6 +173,24 @@ struct imxfb_info {
void (*backlight_power)(int);
};
static struct platform_device_id imxfb_devtype[] = {
{
.name = "imx1-fb",
.driver_data = IMX1_FB,
}, {
.name = "imx21-fb",
.driver_data = IMX21_FB,
}, {
/* sentinel */
}
};
MODULE_DEVICE_TABLE(platform, imxfb_devtype);
static inline int is_imx1_fb(struct imxfb_info *fbi)
{
return fbi->devtype == IMX1_FB;
}
#define IMX_NAME "IMX"
/*
@@ -366,7 +389,7 @@ static int imxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
break;
case 16:
default:
if (cpu_is_mx1())
if (is_imx1_fb(fbi))
pcr |= PCR_BPIX_12;
else
pcr |= PCR_BPIX_16;
@@ -596,6 +619,7 @@ static struct fb_ops imxfb_ops = {
static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
struct imxfb_info *fbi = info->par;
u32 ymax_mask = is_imx1_fb(fbi) ? YMAX_MASK_IMX1 : YMAX_MASK_IMX21;
pr_debug("var: xres=%d hslen=%d lm=%d rm=%d\n",
var->xres, var->hsync_len,
@@ -617,7 +641,7 @@ static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *inf
if (var->right_margin > 255)
printk(KERN_ERR "%s: invalid right_margin %d\n",
info->fix.id, var->right_margin);
if (var->yres < 1 || var->yres > YMAX_MASK)
if (var->yres < 1 || var->yres > ymax_mask)
printk(KERN_ERR "%s: invalid yres %d\n",
info->fix.id, var->yres);
if (var->vsync_len > 100)
@@ -645,7 +669,7 @@ static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *inf
VCR_V_WAIT_2(var->upper_margin),
fbi->regs + LCDC_VCR);
writel(SIZE_XMAX(var->xres) | SIZE_YMAX(var->yres),
writel(SIZE_XMAX(var->xres) | (var->yres & ymax_mask),
fbi->regs + LCDC_SIZE);
writel(fbi->pcr, fbi->regs + LCDC_PCR);
@@ -765,6 +789,7 @@ static int __init imxfb_probe(struct platform_device *pdev)
return -ENOMEM;
fbi = info->par;
fbi->devtype = pdev->id_entry->driver_data;
if (!fb_mode)
fb_mode = pdata->mode[0].mode.name;
@@ -939,6 +964,7 @@ static struct platform_driver imxfb_driver = {
.driver = {
.name = DRIVER_NAME,
},
.id_table = imxfb_devtype,
};
static int imxfb_setup(void)