diff options
Diffstat (limited to 'drivers/gpu/drm/mali/mali_drv.c')
| -rw-r--r-- | drivers/gpu/drm/mali/mali_drv.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mali/mali_drv.c b/drivers/gpu/drm/mali/mali_drv.c new file mode 100644 index 00000000..ac0138c1 --- /dev/null +++ b/drivers/gpu/drm/mali/mali_drv.c @@ -0,0 +1,190 @@ +/** + * Copyright (C) 2010 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. + */ + +/** + * @file mali_drv.c + * Implementation of the Linux device driver entrypoints for Mali DRM + */ + +#include <linux/module.h> +#include <linux/vermagic.h> +#include <drm/drmP.h> +#include "mali_drv.h" + +static struct platform_device *dev0; +static struct platform_device *dev1; + +void mali_drm_preclose(struct drm_device *dev, struct drm_file *file_priv) +{ +} + +void mali_drm_lastclose(struct drm_device *dev) +{ +} + +static int mali_drm_suspend(struct drm_device *dev, pm_message_t state) +{ + return 0; +} + +static int mali_drm_resume(struct drm_device *dev) +{ + return 0; +} + +static int mali_drm_load(struct drm_device *dev, unsigned long chipset) +{ + return 0; +} + +static int mali_drm_unload(struct drm_device *dev) +{ + return 0; +} + +static struct file_operations mali_fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .unlocked_ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, +}; + +static struct drm_driver driver = +{ + .driver_features = DRIVER_BUS_PLATFORM, + .load = mali_drm_load, + .unload = mali_drm_unload, + .context_dtor = NULL, + .reclaim_buffers = NULL, + .reclaim_buffers_idlelocked = NULL, + .preclose = mali_drm_preclose, + .lastclose = mali_drm_lastclose, + .suspend = mali_drm_suspend, + .resume = mali_drm_resume, + .ioctls = NULL, + .fops = &mali_fops, + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, +}; + +static struct drm_driver driver1 = +{ + .driver_features = DRIVER_BUS_PLATFORM, + .load = mali_drm_load, + .unload = mali_drm_unload, + .context_dtor = NULL, + .reclaim_buffers = NULL, + .reclaim_buffers_idlelocked = NULL, + .preclose = mali_drm_preclose, + .lastclose = mali_drm_lastclose, + .suspend = mali_drm_suspend, + .resume = mali_drm_resume, + .ioctls = NULL, + .fops = &mali_fops, + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, +}; + +int mali_drm_init(struct platform_device *dev) +{ + printk(KERN_INFO "Mali DRM initialize, driver name: %s, version %d.%d\n", DRIVER_NAME, DRIVER_MAJOR, DRIVER_MINOR); + if (dev == dev0) { + driver.num_ioctls = 0; + driver.kdriver.platform_device = dev; + return drm_platform_init(&driver, dev); + } else if (dev == dev1) { + driver1.num_ioctls = 0; + driver1.kdriver.platform_device = dev; + return drm_platform_init(&driver1, dev); + } + return 0; +} + +void mali_drm_exit(struct platform_device *dev) +{ + if (driver.kdriver.platform_device == dev) { + drm_platform_exit(&driver, dev); + } else if (driver1.kdriver.platform_device == dev) { + drm_platform_exit(&driver1, dev); + } +} + +static int __devinit mali_platform_drm_probe(struct platform_device *dev) +{ + return mali_drm_init(dev); +} + +static int mali_platform_drm_remove(struct platform_device *dev) +{ + mali_drm_exit(dev); + + return 0; +} + +static int mali_platform_drm_suspend(struct platform_device *dev, pm_message_t state) +{ + return 0; +} + +static int mali_platform_drm_resume(struct platform_device *dev) +{ + return 0; +} + + +static struct platform_driver platform_drm_driver = { + .probe = mali_platform_drm_probe, + .remove = __devexit_p(mali_platform_drm_remove), + .suspend = mali_platform_drm_suspend, + .resume = mali_platform_drm_resume, + .driver = { + .owner = THIS_MODULE, + .name = DRIVER_NAME, + }, +}; + +static int __init mali_platform_drm_init(void) +{ + dev0 = platform_device_register_simple("mali_drm", 0, NULL, 0); + dev1 = platform_device_register_simple("mali_drm", 1, NULL, 0); + return platform_driver_register( &platform_drm_driver ); +} + +static void __exit mali_platform_drm_exit(void) +{ + platform_driver_unregister( &platform_drm_driver ); + platform_device_unregister(dev0); + platform_device_unregister(dev1); +} + +#ifdef MODULE +module_init(mali_platform_drm_init); +#else +late_initcall(mali_platform_drm_init); +#endif +module_exit(mali_platform_drm_exit); + +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_VERSION(DRIVER_VERSION); +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_LICENSE(DRIVER_LICENSE); +MODULE_ALIAS(DRIVER_ALIAS); +MODULE_INFO(vermagic, VERMAGIC_STRING); |