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simplefb: formalize pseudo palette handling
Add a proper struct describing simplefb private data, with the palette in there, instead of directly storing the palette in the fb_info->par pointer. Signed-off-by: Luc Verhaegen <libv@skynet.be> Acked-by: Stephen Warren <swarren@nvidia.com> [hdegoede@redhat.com: drop unnecessary void * cast] Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Maxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Acked-by: Grant Likely <grant.likely@linaro.org> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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@ -41,6 +41,8 @@ static struct fb_var_screeninfo simplefb_var = {
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.vmode = FB_VMODE_NONINTERLACED,
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};
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#define PSEUDO_PALETTE_SIZE 16
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static int simplefb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
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u_int transp, struct fb_info *info)
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{
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@ -50,7 +52,7 @@ static int simplefb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
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u32 cb = blue >> (16 - info->var.blue.length);
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u32 value;
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if (regno >= 16)
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if (regno >= PSEUDO_PALETTE_SIZE)
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return -EINVAL;
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value = (cr << info->var.red.offset) |
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@ -163,11 +165,16 @@ static int simplefb_parse_pd(struct platform_device *pdev,
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return 0;
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}
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struct simplefb_par {
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u32 palette[PSEUDO_PALETTE_SIZE];
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};
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static int simplefb_probe(struct platform_device *pdev)
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{
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int ret;
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struct simplefb_params params;
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struct fb_info *info;
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struct simplefb_par *par;
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struct resource *mem;
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if (fb_get_options("simplefb", NULL))
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@ -188,11 +195,13 @@ static int simplefb_probe(struct platform_device *pdev)
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return -EINVAL;
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}
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info = framebuffer_alloc(sizeof(u32) * 16, &pdev->dev);
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info = framebuffer_alloc(sizeof(struct simplefb_par), &pdev->dev);
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if (!info)
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return -ENOMEM;
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platform_set_drvdata(pdev, info);
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par = info->par;
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info->fix = simplefb_fix;
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info->fix.smem_start = mem->start;
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info->fix.smem_len = resource_size(mem);
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@ -225,7 +234,7 @@ static int simplefb_probe(struct platform_device *pdev)
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framebuffer_release(info);
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return -ENODEV;
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}
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info->pseudo_palette = (void *)(info + 1);
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info->pseudo_palette = par->palette;
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dev_info(&pdev->dev, "framebuffer at 0x%lx, 0x%x bytes, mapped to 0x%p\n",
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info->fix.smem_start, info->fix.smem_len,
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