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Viewing changes to drivers/video/atmel_lcdfb.c

  • Committer: Bazaar Package Importer
  • Author(s): Paolo Pisati
  • Date: 2011-06-29 15:23:51 UTC
  • mfrom: (26.1.1 natty-proposed)
  • Revision ID: james.westby@ubuntu.com-20110629152351-xs96tm303d95rpbk
Tags: 3.0.0-1200.2
* Rebased against 3.0.0-6.7
* BSP from TI based on 3.0.0

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drivers/video/atmel_lcdfb.c
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}
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#endif
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static const u32 contrast_ctr = ATMEL_LCDC_PS_DIV8
 
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static u32 contrast_ctr = ATMEL_LCDC_PS_DIV8
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                | ATMEL_LCDC_POL_POSITIVE
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                | ATMEL_LCDC_ENA_PWMENABLE;
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                return;
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        memset(&props, 0, sizeof(struct backlight_properties));
 
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        props.type = BACKLIGHT_RAW;
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        props.max_brightness = 0xff;
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        bl = backlight_device_register("backlight", &sinfo->pdev->dev, sinfo,
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                                       &atmel_lcdc_bl_ops, &props);
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static void init_contrast(struct atmel_lcdfb_info *sinfo)
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{
 
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        /* contrast pwm can be 'inverted' */
 
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        if (sinfo->lcdcon_pol_negative)
 
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                        contrast_ctr &= ~(ATMEL_LCDC_POL_POSITIVE);
 
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        /* have some default contrast/backlight settings */
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        lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, contrast_ctr);
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        lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_VAL, ATMEL_LCDC_CVAL_DEFAULT);
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 *      magnitude which needs to be scaled in this function for the hardware.
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 *      Things to take into consideration are how many color registers, if
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 *      any, are supported with the current color visual. With truecolor mode
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 *      no color palettes are supported. Here a psuedo palette is created
 
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 *      no color palettes are supported. Here a pseudo palette is created
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 *      which we store the value in pseudo_palette in struct fb_info. For
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 *      pseudocolor mode we have a limited color palette. To deal with this
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 *      we can program what color is displayed for a particular pixel value.
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        return 0;
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}
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static int atmel_lcdfb_blank(int blank_mode, struct fb_info *info)
 
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{
 
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        struct atmel_lcdfb_info *sinfo = info->par;
 
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        switch (blank_mode) {
 
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        case FB_BLANK_UNBLANK:
 
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        case FB_BLANK_NORMAL:
 
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                atmel_lcdfb_start(sinfo);
 
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                break;
 
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        case FB_BLANK_VSYNC_SUSPEND:
 
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        case FB_BLANK_HSYNC_SUSPEND:
 
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                break;
 
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        case FB_BLANK_POWERDOWN:
 
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                atmel_lcdfb_stop(sinfo);
 
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                break;
 
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        default:
 
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                return -EINVAL;
 
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        }
 
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        /* let fbcon do a soft blank for us */
 
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        return ((blank_mode == FB_BLANK_NORMAL) ? 1 : 0);
 
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}
 
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static struct fb_ops atmel_lcdfb_ops = {
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        .owner          = THIS_MODULE,
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        .fb_check_var   = atmel_lcdfb_check_var,
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        .fb_set_par     = atmel_lcdfb_set_par,
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        .fb_setcolreg   = atmel_lcdfb_setcolreg,
 
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        .fb_blank       = atmel_lcdfb_blank,
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        .fb_pan_display = atmel_lcdfb_pan_display,
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        .fb_fillrect    = cfb_fillrect,
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        .fb_copyarea    = cfb_copyarea,
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                sinfo->guard_time = pdata_sinfo->guard_time;
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                sinfo->smem_len = pdata_sinfo->smem_len;
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                sinfo->lcdcon_is_backlight = pdata_sinfo->lcdcon_is_backlight;
 
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                sinfo->lcdcon_pol_negative = pdata_sinfo->lcdcon_pol_negative;
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                sinfo->lcd_wiring_mode = pdata_sinfo->lcd_wiring_mode;
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        } else {
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                dev_err(dev, "cannot get default configuration\n");