diff options
Diffstat (limited to 'drivers/gpu/drm/pl111/pl111_drm_platform.c')
-rwxr-xr-x | drivers/gpu/drm/pl111/pl111_drm_platform.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/drivers/gpu/drm/pl111/pl111_drm_platform.c b/drivers/gpu/drm/pl111/pl111_drm_platform.c new file mode 100755 index 000000000000..9d5ec0cb1751 --- /dev/null +++ b/drivers/gpu/drm/pl111/pl111_drm_platform.c @@ -0,0 +1,151 @@ +/* + * + * (C) COPYRIGHT 2012-2013 ARM Limited. All rights reserved. + * + * This program is free software and is provided to you under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation, and any use by you of this program is subject to the terms + * of such GNU licence. + * + * A copy of the licence is included with the program, and can also be obtained + * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + + + +/** + * pl111_drm_platform.c + * Implementation of the Linux platform device entrypoints for PL111 DRM + */ +#include <linux/amba/bus.h> +#include <linux/amba/clcd.h> +#include <linux/version.h> +#include <linux/shmem_fs.h> +#include <linux/dma-buf.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> +#include "pl111_drm.h" + +static int pl111_platform_drm_suspend(struct platform_device *dev, + pm_message_t state) +{ + pr_info("DRM %s\n", __func__); + return 0; +} + +static int pl111_platform_drm_resume(struct platform_device *dev) +{ + pr_info("DRM %s\n", __func__); + return 0; +} + +int pl111_platform_drm_probe(struct platform_device *dev) +{ + pr_info("DRM %s\n", __func__); + return pl111_drm_init(dev); +} + +static int pl111_platform_drm_remove(struct platform_device *dev) +{ + pr_info("DRM %s\n", __func__); + pl111_drm_exit(dev); + + return 0; +} + +static struct amba_id pl111_id_table[] = { + { + .id = 0x00041110, + .mask = 0x000ffffe, + }, + {0, 0}, +}; + +static struct amba_driver pl111_amba_driver = { + .drv = { + .name = "clcd-pl11x", + }, + .probe = pl111_amba_probe, + .remove = pl111_amba_remove, + .id_table = pl111_id_table, +}; + +static struct platform_driver platform_drm_driver = { + .probe = pl111_platform_drm_probe, + .remove = pl111_platform_drm_remove, + .suspend = pl111_platform_drm_suspend, + .resume = pl111_platform_drm_resume, + .driver = { + .owner = THIS_MODULE, + .name = DRIVER_NAME, + }, +}; + +static const struct platform_device_info pl111_drm_pdevinfo = { + .name = DRIVER_NAME, + .id = -1, + .dma_mask = ~0UL +}; + +static struct platform_device *pl111_drm_device; + +static int __init pl111_platform_drm_init(void) +{ + int ret; + + pr_info("DRM %s\n", __func__); + + pl111_drm_device = platform_device_register_full(&pl111_drm_pdevinfo); + if (pl111_drm_device == NULL) { + pr_err("DRM platform_device_register_full() failed\n"); + return -ENOMEM; + } + + ret = amba_driver_register(&pl111_amba_driver); + if (ret != 0) { + pr_err("DRM amba_driver_register() failed %d\n", ret); + goto err_amba_reg; + } + + ret = platform_driver_register(&platform_drm_driver); + if (ret != 0) { + pr_err("DRM platform_driver_register() failed %d\n", ret); + goto err_pdrv_reg; + } + + return 0; + +err_pdrv_reg: + amba_driver_unregister(&pl111_amba_driver); +err_amba_reg: + platform_device_unregister(pl111_drm_device); + + return ret; +} + +static void __exit pl111_platform_drm_exit(void) +{ + pr_info("DRM %s\n", __func__); + + platform_device_unregister(pl111_drm_device); + amba_driver_unregister(&pl111_amba_driver); + platform_driver_unregister(&platform_drm_driver); +} + +#ifdef MODULE +module_init(pl111_platform_drm_init); +#else +late_initcall(pl111_platform_drm_init); +#endif +module_exit(pl111_platform_drm_exit); + +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_VERSION(DRIVER_VERSION); +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_LICENSE(DRIVER_LICENCE); +MODULE_ALIAS(DRIVER_ALIAS); |