Ejemplos de gp_fb_activate en C++ (Cpp)

Ejemplo n.º 1

Archivo: gp_fb.c Proyecto: WayWingsDev/Gplus_2159_0801

static int32_t __init
gp_fb_init(
	void
)
{
	int32_t ret = 0;
	struct gp_fb_info *info;

#if 0
	/* Init display device */
	if (disp_open(0, 0) < 0)
		return -EIO;

	if (disp_init() < 0)
		return -EIO;
#endif

	fbinfo = framebuffer_alloc(sizeof(struct gp_fb_info), NULL);
	if (!fbinfo)
		return -ENOMEM;

	info = fbinfo->par;
	info->first_open = 0;

	/*Get panel resolution */
	disp_get_panel_res(&info->panelRes);

	/* Color */
	ret = gp_fb_setColorType(fbinfo);
	if (ret < 0) {
		printk("[%s:%d], set color type error\n", __FUNCTION__, __LINE__);
		goto dealloc_fb;
	}

	/* Get buffer width, height, and size */
	gp_fb_getBufInfo(fbinfo);

	/* Get panel rect */
	gp_fb_getPanelRect(fbinfo);

	info->fbmem = disp_allocate_buffer(info->bufinfo);
	if (info->fbmem == NULL) {
		ret = -ENXIO;
		goto dealloc_fb;
	}

	memset(info->fbmem, 0x00, info->bufinfo.size);

	fbinfo->fbops = &gp_fb_ops;
	fbinfo->flags = FBINFO_FLAG_DEFAULT;
	fbinfo->pseudo_palette = NULL;
	fbinfo->screen_base = info->fbmem;
	fbinfo->screen_size = 0;

	/* Resolution */
	fbinfo->var.xres = info->bufinfo.width;
	fbinfo->var.yres = info->bufinfo.height;
	fbinfo->var.xres_virtual = fbinfo->var.xres;
	fbinfo->var.yres_virtual = fbinfo->var.yres * 2;

	/* Timing */
	fbinfo->var.left_margin = 0;
	fbinfo->var.right_margin = 0;
	fbinfo->var.upper_margin = 0;
	fbinfo->var.lower_margin = 0;
	fbinfo->var.hsync_len = 0;
	fbinfo->var.vsync_len = 0;

	fbinfo->var.activate = FB_ACTIVATE_FORCE;
	fbinfo->var.accel_flags = 0;
	fbinfo->var.vmode = FB_VMODE_NONINTERLACED;

	/* fixed info */
	memset(&fbinfo->fix.id, 0, sizeof(fbinfo->fix.id));
	strncpy(fbinfo->fix.id, driver_name, sizeof(driver_name));
	fbinfo->fix.mmio_start  = 0x93000000;
	fbinfo->fix.mmio_len    = 0x1000;
	fbinfo->fix.type        = FB_TYPE_PACKED_PIXELS;
	fbinfo->fix.type_aux	= 0;
	fbinfo->fix.visual      = FB_VISUAL_TRUECOLOR;
	fbinfo->fix.xpanstep	= 0;
	fbinfo->fix.ypanstep	= 1;
	fbinfo->fix.ywrapstep	= 0;
	fbinfo->fix.accel	    = FB_ACCEL_NONE;
	fbinfo->fix.smem_start  = gp_chunk_pa(info->fbmem);
	fbinfo->fix.smem_len    = info->bufinfo.size;
	fbinfo->fix.line_length = (fbinfo->var.xres_virtual * fbinfo->var.bits_per_pixel) / 8;

	gp_fb_activate(fbinfo);

	ret = register_framebuffer(fbinfo);
	if (ret < 0) {
		printk(KERN_ERR "Failed to register framebuffer device: %d\n", ret);
		goto release_fbmem;
	}
	printk(KERN_INFO "fb%d: %s frame buffer device\n",
		fbinfo->node, fbinfo->fix.id);

	return 0;

release_fbmem:
	disp_free_buffer(FB_BUFFER_ID);

dealloc_fb:
	framebuffer_release(fbinfo);

	return ret;
}

Ejemplo n.º 2

Archivo: gp_fb1.c Proyecto: danelledeano/VTech-InnoTab

static int32_t __init
gp_fb_init(
	void
)
{
	int32_t ret = 0;
	struct gp_fb_info *info;

	fbinfo = framebuffer_alloc(sizeof(struct gp_fb_info), NULL);
	if (!fbinfo)
		return -ENOMEM;

	info = fbinfo->par;

	/*Get panel resolution & allocate frame buffer (double buffer) */
	disp1_get_panel_res(&info->panelRes);
	info->fbsize = info->panelRes.width * info->panelRes.height * 4 * 2;
	info->fbmem = gp_chunk_malloc(current->tgid, info->fbsize);
	if (info->fbmem == NULL) {
		ret = -ENXIO;
		goto dealloc_fb;
	}

	memset(info->fbmem, 0x00, info->fbsize);

	fbinfo->fbops = &gp_fb_ops;
	fbinfo->flags = FBINFO_FLAG_DEFAULT;
	fbinfo->pseudo_palette = NULL;
	fbinfo->screen_base = info->fbmem;
	fbinfo->screen_size = 0;

	/* Resolution */
	fbinfo->var.xres = info->panelRes.width;
	fbinfo->var.yres = info->panelRes.height;
	fbinfo->var.xres_virtual = fbinfo->var.xres;
	fbinfo->var.yres_virtual = fbinfo->var.yres * 2;

	/* Timing */
	fbinfo->var.left_margin = 0;
	fbinfo->var.right_margin = 0;
	fbinfo->var.upper_margin = 0;
	fbinfo->var.lower_margin = 0;
	fbinfo->var.hsync_len = 0;
	fbinfo->var.vsync_len = 0;

	/* Color RGBA8888 */
	fbinfo->var.bits_per_pixel = 32;
	fbinfo->var.grayscale = 0;
	fbinfo->var.transp.offset	 = 0;
	fbinfo->var.red.offset		= 24;
	fbinfo->var.green.offset	= 16;
	fbinfo->var.blue.offset	= 8;
	fbinfo->var.transp.length	= 8;
	fbinfo->var.red.length		= 8;
	fbinfo->var.green.length	= 8;
	fbinfo->var.blue.length	= 8;
    fbinfo->var.nonstd	= 0;

	fbinfo->var.activate = FB_ACTIVATE_FORCE;
	fbinfo->var.accel_flags = 0;
	fbinfo->var.vmode = FB_VMODE_NONINTERLACED;

	/* fixed info */
	strcpy(fbinfo->fix.id, driver_name);
	fbinfo->fix.mmio_start  = 0x93000000;
	fbinfo->fix.mmio_len    = 0x1000;
	fbinfo->fix.type        = FB_TYPE_PACKED_PIXELS;
	fbinfo->fix.type_aux	= 0;
	fbinfo->fix.visual      = FB_VISUAL_TRUECOLOR;
	fbinfo->fix.xpanstep	= 0;
	fbinfo->fix.ypanstep	= 1;
	fbinfo->fix.ywrapstep	= 0;
	fbinfo->fix.accel	    = FB_ACCEL_NONE;
	fbinfo->fix.smem_start  = gp_chunk_pa(info->fbmem);
	fbinfo->fix.smem_len    = info->fbsize;
	fbinfo->fix.line_length = (fbinfo->var.xres_virtual * fbinfo->var.bits_per_pixel) / 8;

	gp_fb_activate(fbinfo);

	ret = register_framebuffer(fbinfo);
	if (ret < 0) {
		printk(KERN_ERR "Failed to register framebuffer device: %d\n", ret);
		goto release_fbmem;
	}
	printk(KERN_INFO "fb%d: %s frame buffer device\n",
		fbinfo->node, fbinfo->fix.id);

	return 0;

release_fbmem:
	gp_chunk_free(info->fbmem);

dealloc_fb:
	framebuffer_release(fbinfo);

	return ret;
}