diff options
Diffstat (limited to 'drivers/gpu/pvr/omaplfb_linux.c')
| -rw-r--r-- | drivers/gpu/pvr/omaplfb_linux.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/drivers/gpu/pvr/omaplfb_linux.c b/drivers/gpu/pvr/omaplfb_linux.c new file mode 100644 index 00000000000..bba3bbd345f --- /dev/null +++ b/drivers/gpu/pvr/omaplfb_linux.c @@ -0,0 +1,168 @@ +/********************************************************************** + * + * Copyright(c) 2008 Imagination Technologies Ltd. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful but, except + * as otherwise stated in writing, without any warranty; without even the + * implied warranty of merchantability or fitness for a particular purpose. + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + * + * Contact Information: + * Imagination Technologies Ltd. <gpl-support@imgtec.com> + * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK + * + ******************************************************************************/ + +#include <linux/version.h> +#include <linux/module.h> + +#include <linux/pci.h> +#include <linux/uaccess.h> +#include <linux/slab.h> +#include <linux/errno.h> +#include <linux/interrupt.h> + +#include <linux/platform_device.h> + +#include <linux/io.h> + +#include "img_defs.h" +#include "servicesext.h" +#include "kerneldisplay.h" +#include "omaplfb.h" +#include "pvrmodule.h" + +#include <video/omapdss.h> + +MODULE_SUPPORTED_DEVICE(DEVNAME); + +#define unref__ __attribute__ ((unused)) + +void *OMAPLFBAllocKernelMem(u32 ui32Size) +{ + return kmalloc(ui32Size, GFP_KERNEL); +} + +void OMAPLFBFreeKernelMem(void *pvMem) +{ + kfree(pvMem); +} + +enum PVRSRV_ERROR OMAPLFBGetLibFuncAddr(char *szFunctionName, + IMG_BOOL (**ppfnFuncTable)(struct PVRSRV_DC_DISP2SRV_KMJTABLE *)) +{ + if (strcmp("PVRGetDisplayClassJTable", szFunctionName) != 0) + return PVRSRV_ERROR_INVALID_PARAMS; + + *ppfnFuncTable = PVRGetDisplayClassJTable; + + return PVRSRV_OK; +} + +static int OMAPLFBDriverSuspend_Entry(struct platform_device unref__ * pDevice, + pm_message_t unref__ state) +{ + DEBUG_PRINTK((KERN_INFO DRIVER_PREFIX + ": OMAPLFBDriverSuspend_Entry\n")); + return 0; +} + +static int OMAPLFBDriverResume_Entry(struct platform_device unref__ * pDevice) +{ + DEBUG_PRINTK((KERN_INFO DRIVER_PREFIX ": OMAPLFBDriverResume_Entry\n")); + return 0; +} + +static void OMAPLFBDriverShutdown_Entry(struct platform_device unref__ * + pDevice) +{ + DEBUG_PRINTK((KERN_INFO DRIVER_PREFIX + ": OMAPLFBDriverShutdown_Entry\n")); +} + +static void OMAPLFBDeviceRelease_Entry(struct device unref__ * pDevice) +{ + DEBUG_PRINTK((KERN_INFO DRIVER_PREFIX + ": OMAPLFBDriverRelease_Entry\n")); +} + +static struct platform_driver omaplfb_driver = { + .driver = { + .name = DRVNAME, + }, + .suspend = OMAPLFBDriverSuspend_Entry, + .resume = OMAPLFBDriverResume_Entry, + .shutdown = OMAPLFBDriverShutdown_Entry, +}; + +static struct platform_device omaplfb_device = { + .name = DEVNAME, + .id = -1, + .dev = { + .release = OMAPLFBDeviceRelease_Entry + } +}; + +static int __init OMAPLFB_Init(void) +{ + int error; + + if (OMAPLFBInit() != PVRSRV_OK) { + printk(KERN_WARNING DRIVER_PREFIX + ": OMAPLFB_Init: OMAPLFBInit failed\n"); + return -ENODEV; + } + error = platform_driver_register(&omaplfb_driver); + if (error) { + printk(KERN_WARNING DRIVER_PREFIX + ": OMAPLFB_Init: Unable to register platform driver (%d)\n", + error); + + goto ExitDeinit; + } + + error = platform_device_register(&omaplfb_device); + if (error) { + printk(KERN_WARNING DRIVER_PREFIX + ": OMAPLFB_Init: Unable to register platform device (%d)\n", + error); + + goto ExitDriverUnregister; + } + + return 0; + +ExitDriverUnregister: + platform_driver_unregister(&omaplfb_driver); + +ExitDeinit: + if (OMAPLFBDeinit() != PVRSRV_OK) + printk(KERN_WARNING DRIVER_PREFIX + ": OMAPLFB_Init: OMAPLFBDeinit failed\n"); + + return -ENODEV; +} + +static void __exit OMAPLFB_Cleanup(void) +{ + platform_device_unregister(&omaplfb_device); + platform_driver_unregister(&omaplfb_driver); + + if (OMAPLFBDeinit() != PVRSRV_OK) + printk(KERN_WARNING DRIVER_PREFIX + ": OMAPLFB_Cleanup: OMAPLFBDeinit failed\n"); +} + +module_init(OMAPLFB_Init); +module_exit(OMAPLFB_Cleanup); |