97 lines
1.9 KiB
C
97 lines
1.9 KiB
C
/*
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* Copyright (c) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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*
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* GPL v2
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*/
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#include <common.h>
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#include <driver.h>
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#include <init.h>
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#include <malloc.h>
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#include <mach/linux.h>
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#include <fb.h>
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#include <errno.h>
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#include <gui/graphic_utils.h>
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static void sdlfb_enable(struct fb_info *info)
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{
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sdl_start_timer();
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}
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static void sdlfb_disable(struct fb_info *info)
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{
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sdl_stop_timer();
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}
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static struct fb_ops sdlfb_ops = {
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.fb_enable = sdlfb_enable,
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.fb_disable = sdlfb_disable,
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};
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static int sdlfb_probe(struct device_d *dev)
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{
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struct fb_info *fb;
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int ret = -EIO;
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if (!dev->platform_data)
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return -EIO;
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fb = xzalloc(sizeof(*fb));
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fb->modes.modes = fb->mode = dev->platform_data;
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fb->modes.num_modes = 1;
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fb->bits_per_pixel = 4 << 3;
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fb->xres = fb->mode->xres;
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fb->yres = fb->mode->yres;
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fb->priv = fb;
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fb->fbops = &sdlfb_ops,
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fb->dev.parent = dev;
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fb->screen_base = xzalloc(fb->xres * fb->yres *
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fb->bits_per_pixel >> 3);
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if (sdl_open(fb->xres, fb->yres, fb->bits_per_pixel,
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fb->screen_base))
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goto err;
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sdl_get_bitfield_rgba(&fb->red, &fb->green, &fb->blue, &fb->transp);
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dev_dbg(dev, "red: length = %d, offset = %d\n",
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fb->red.length, fb->red.offset);
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dev_dbg(dev, "green: length = %d, offset = %d\n",
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fb->green.length, fb->green.offset);
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dev_dbg(dev, "blue: length = %d, offset = %d\n",
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fb->blue.length, fb->blue.offset);
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dev_dbg(dev, "transp: length = %d, offset = %d\n",
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fb->transp.length, fb->transp.offset);
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/* add runtime hardware info */
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dev->priv = fb;
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ret = register_framebuffer(fb);
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if (!ret)
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return 0;
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err:
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kfree(fb->screen_base);
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kfree(fb);
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sdl_close();
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return ret;
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}
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static void sdlfb_remove(struct device_d *dev)
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{
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struct fb_info *fb = dev->priv;
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kfree(fb->screen_base);
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kfree(fb);
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sdl_close();
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}
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static struct driver_d sdlfb_driver = {
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.name = "sdlfb",
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.probe = sdlfb_probe,
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.remove = sdlfb_remove,
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};
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device_platform_driver(sdlfb_driver);
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