22f579c621
Add DRM device driver for VIA Unichrome chipsets From: Unichrome Project http://unichrome.sf.net, Erdi Chen, Thomas Hellstrom Signed-off-by: Dave Airlie <airlied@linux.ie>
126 lines
4 KiB
C
126 lines
4 KiB
C
/*
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* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
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* Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <linux/config.h>
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#include "drmP.h"
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#include "via_drm.h"
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#include "via_drv.h"
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#include "drm_pciids.h"
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static int postinit(struct drm_device *dev, unsigned long flags)
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{
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DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n",
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DRIVER_NAME,
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DRIVER_MAJOR,
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DRIVER_MINOR,
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DRIVER_PATCHLEVEL,
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DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev)
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);
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return 0;
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}
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static int version(drm_version_t * version)
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{
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int len;
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version->version_major = DRIVER_MAJOR;
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version->version_minor = DRIVER_MINOR;
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version->version_patchlevel = DRIVER_PATCHLEVEL;
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DRM_COPY(version->name, DRIVER_NAME);
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DRM_COPY(version->date, DRIVER_DATE);
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DRM_COPY(version->desc, DRIVER_DESC);
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return 0;
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}
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static struct pci_device_id pciidlist[] = {
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viadrv_PCI_IDS
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};
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static drm_ioctl_desc_t ioctls[] = {
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[DRM_IOCTL_NR(DRM_VIA_ALLOCMEM)] = {via_mem_alloc, 1, 0},
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[DRM_IOCTL_NR(DRM_VIA_FREEMEM)] = {via_mem_free, 1, 0},
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[DRM_IOCTL_NR(DRM_VIA_AGP_INIT)] = {via_agp_init, 1, 0},
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[DRM_IOCTL_NR(DRM_VIA_FB_INIT)] = {via_fb_init, 1, 0},
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[DRM_IOCTL_NR(DRM_VIA_MAP_INIT)] = {via_map_init, 1, 0},
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[DRM_IOCTL_NR(DRM_VIA_DEC_FUTEX)] = {via_decoder_futex, 1, 0},
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[DRM_IOCTL_NR(DRM_VIA_DMA_INIT)] = {via_dma_init, 1, 0},
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[DRM_IOCTL_NR(DRM_VIA_CMDBUFFER)] = {via_cmdbuffer, 1, 0},
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[DRM_IOCTL_NR(DRM_VIA_FLUSH)] = {via_flush_ioctl, 1, 0},
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[DRM_IOCTL_NR(DRM_VIA_PCICMD)] = {via_pci_cmdbuffer, 1, 0},
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[DRM_IOCTL_NR(DRM_VIA_CMDBUF_SIZE)] = {via_cmdbuf_size, 1, 0},
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[DRM_IOCTL_NR(DRM_VIA_WAIT_IRQ)] = {via_wait_irq, 1, 0}
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};
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static struct drm_driver driver = {
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.driver_features =
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DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ |
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DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
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.context_ctor = via_init_context,
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.context_dtor = via_final_context,
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.vblank_wait = via_driver_vblank_wait,
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.irq_preinstall = via_driver_irq_preinstall,
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.irq_postinstall = via_driver_irq_postinstall,
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.irq_uninstall = via_driver_irq_uninstall,
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.irq_handler = via_driver_irq_handler,
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.dma_quiescent = via_driver_dma_quiescent,
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.reclaim_buffers = drm_core_reclaim_buffers,
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.get_map_ofs = drm_core_get_map_ofs,
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.get_reg_ofs = drm_core_get_reg_ofs,
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.postinit = postinit,
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.version = version,
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.ioctls = ioctls,
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.num_ioctls = DRM_ARRAY_SIZE(ioctls),
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.fops = {
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.owner = THIS_MODULE,
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.open = drm_open,
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.release = drm_release,
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.ioctl = drm_ioctl,
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.mmap = drm_mmap,
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.poll = drm_poll,
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.fasync = drm_fasync,
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},
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.pci_driver = {
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.name = DRIVER_NAME,
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.id_table = pciidlist,
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}
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};
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static int __init via_init(void)
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{
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via_init_command_verifier();
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return drm_init(&driver);
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}
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static void __exit via_exit(void)
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{
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drm_exit(&driver);
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}
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module_init(via_init);
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module_exit(via_exit);
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MODULE_AUTHOR(DRIVER_AUTHOR);
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MODULE_DESCRIPTION(DRIVER_DESC);
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MODULE_LICENSE("GPL and additional rights");
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