diff options
| author | Shawn Guo <shawn.guo@linaro.org> | 2012-09-16 19:59:53 +0800 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2012-10-15 10:05:42 +0800 |
| commit | e69dc9a91eeb0387e08d8e1d0e576c88b28902fc (patch) | |
| tree | 4b4ef12b66ae33e79b77528f7e9568a62743f43a /drivers/video/imxfb.c | |
| parent | 7f917a8df68985aa38a90b7110b5f42bfa0d7cda (diff) | |
| download | linux-e69dc9a91eeb0387e08d8e1d0e576c88b28902fc.tar.bz2 | |
video: imxfb: remove cpu_is_xxx by using platform_device_id
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
Diffstat (limited to 'drivers/video/imxfb.c')
| -rw-r--r-- | drivers/video/imxfb.c | 38 |
1 files changed, 32 insertions, 6 deletions
diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c index cf2688de0832..e501dbc966b3 100644 --- a/drivers/video/imxfb.c +++ b/drivers/video/imxfb.c @@ -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) |