419 lines
11 KiB
C
419 lines
11 KiB
C
/****************************************************************************
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* Copyright (C) 2003-2006 by XGI Technology, Taiwan.
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*
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation on the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* 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
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR 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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* XGI AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* 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 "drmP.h"
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#include "drm.h"
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#include "xgi_drv.h"
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#include "xgi_regs.h"
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#include "xgi_misc.h"
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#include "xgi_cmdlist.h"
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#include "drm_pciids.h"
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static struct pci_device_id pciidlist[] = {
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xgi_PCI_IDS
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};
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static int xgi_bootstrap(struct drm_device *, void *, struct drm_file *);
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static struct drm_ioctl_desc xgi_ioctls[] = {
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DRM_IOCTL_DEF(DRM_XGI_BOOTSTRAP, xgi_bootstrap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
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DRM_IOCTL_DEF(DRM_XGI_FB_ALLOC, xgi_fb_alloc_ioctl, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_XGI_FB_FREE, xgi_fb_free_ioctl, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_XGI_PCIE_ALLOC, xgi_pcie_alloc_ioctl, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_XGI_PCIE_FREE, xgi_pcie_free_ioctl, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_XGI_GE_RESET, xgi_ge_reset_ioctl, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_XGI_DUMP_REGISTER, xgi_dump_register_ioctl, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_XGI_DEBUG_INFO, xgi_restore_registers_ioctl, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_XGI_SUBMIT_CMDLIST, xgi_submit_cmdlist, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_XGI_TEST_RWINKERNEL, xgi_test_rwinkernel_ioctl, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_XGI_STATE_CHANGE, xgi_state_change_ioctl, DRM_AUTH|DRM_MASTER),
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};
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static const int xgi_max_ioctl = DRM_ARRAY_SIZE(xgi_ioctls);
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static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
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static int xgi_driver_load(struct drm_device *dev, unsigned long flags);
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static int xgi_driver_unload(struct drm_device *dev);
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static void xgi_driver_lastclose(struct drm_device * dev);
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static void xgi_reclaim_buffers_locked(struct drm_device * dev,
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struct drm_file * filp);
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static irqreturn_t xgi_kern_isr(DRM_IRQ_ARGS);
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static struct drm_driver driver = {
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.driver_features =
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DRIVER_PCI_DMA | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ |
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DRIVER_IRQ_SHARED | DRIVER_SG,
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.dev_priv_size = sizeof(struct xgi_info),
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.load = xgi_driver_load,
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.unload = xgi_driver_unload,
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.lastclose = xgi_driver_lastclose,
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.dma_quiescent = NULL,
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.irq_preinstall = NULL,
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.irq_postinstall = NULL,
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.irq_uninstall = NULL,
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.irq_handler = xgi_kern_isr,
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.reclaim_buffers = drm_core_reclaim_buffers,
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.reclaim_buffers_idlelocked = xgi_reclaim_buffers_locked,
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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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.ioctls = xgi_ioctls,
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.dma_ioctl = NULL,
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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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.probe = probe,
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.remove = __devexit_p(drm_cleanup_pci),
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},
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.name = DRIVER_NAME,
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.desc = DRIVER_DESC,
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.date = DRIVER_DATE,
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.major = DRIVER_MAJOR,
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.minor = DRIVER_MINOR,
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.patchlevel = DRIVER_PATCHLEVEL,
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};
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static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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{
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return drm_get_dev(pdev, ent, &driver);
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}
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static int __init xgi_init(void)
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{
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driver.num_ioctls = xgi_max_ioctl;
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return drm_init(&driver, pciidlist);
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}
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static void __exit xgi_exit(void)
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{
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drm_exit(&driver);
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}
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module_init(xgi_init);
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module_exit(xgi_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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void xgi_engine_init(struct xgi_info * info)
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{
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u8 temp;
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OUT3C5B(info->mmio_map, 0x11, 0x92);
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/* -------> copy from OT2D
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* PCI Retry Control Register.
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* disable PCI read retry & enable write retry in mem. (10xx xxxx)b
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*/
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temp = IN3X5B(info->mmio_map, 0x55);
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OUT3X5B(info->mmio_map, 0x55, (temp & 0xbf) | 0x80);
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xgi_enable_ge(info);
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/* Enable linear addressing of the card. */
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temp = IN3X5B(info->mmio_map, 0x21);
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OUT3X5B(info->mmio_map, 0x21, temp | 0x20);
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/* Enable 32-bit internal data path */
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temp = IN3X5B(info->mmio_map, 0x2A);
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OUT3X5B(info->mmio_map, 0x2A, temp | 0x40);
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/* Enable PCI burst write ,disable burst read and enable MMIO. */
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/*
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* 0x3D4.39 Enable PCI burst write, disable burst read and enable MMIO.
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* 7 ---- Pixel Data Format 1: big endian 0: little endian
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* 6 5 4 3---- Memory Data with Big Endian Format, BE[3:0]# with Big Endian Format
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* 2 ---- PCI Burst Write Enable
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* 1 ---- PCI Burst Read Enable
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* 0 ---- MMIO Control
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*/
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temp = IN3X5B(info->mmio_map, 0x39);
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OUT3X5B(info->mmio_map, 0x39, (temp | 0x05) & 0xfd);
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/* enable GEIO decode */
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/* temp = IN3X5B(info->mmio_map, 0x29);
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* OUT3X5B(info->mmio_map, 0x29, temp | 0x08);
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*/
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/* Enable graphic engine I/O PCI retry function*/
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/* temp = IN3X5B(info->mmio_map, 0x62);
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* OUT3X5B(info->mmio_map, 0x62, temp | 0x50);
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*/
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/* protect all register except which protected by 3c5.0e.7 */
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/* OUT3C5B(info->mmio_map, 0x11, 0x87); */
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}
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void xgi_kern_isr_bh(struct drm_device *dev);
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int xgi_bootstrap(struct drm_device * dev, void * data,
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struct drm_file * filp)
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{
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struct xgi_info *info = dev->dev_private;
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struct xgi_bootstrap * bs = (struct xgi_bootstrap *) data;
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struct drm_map_list *maplist;
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int err;
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if (info->mmio_map == NULL) {
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err = drm_addmap(dev, info->mmio.base, info->mmio.size,
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_DRM_REGISTERS, _DRM_KERNEL,
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&info->mmio_map);
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if (err) {
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DRM_ERROR("Unable to map MMIO region: %d\n", err);
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return err;
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}
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xgi_enable_mmio(info);
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xgi_engine_init(info);
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}
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info->fb.size = IN3CFB(info->mmio_map, 0x54) * 8 * 1024 * 1024;
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DRM_INFO("fb base: 0x%lx, size: 0x%x (probed)\n",
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(unsigned long) info->fb.base, info->fb.size);
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if ((info->fb.base == 0) || (info->fb.size == 0)) {
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DRM_ERROR("framebuffer appears to be wrong: 0x%lx 0x%x\n",
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(unsigned long) info->fb.base, info->fb.size);
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return -EINVAL;
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}
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/* Init the resource manager */
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if (!info->fb_heap.initialized) {
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err = xgi_fb_heap_init(info);
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if (err) {
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DRM_ERROR("Unable to initialize FB heap.\n");
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return err;
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}
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}
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info->pcie.size = bs->gart.size;
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/* Init the resource manager */
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if (!info->pcie_heap.initialized) {
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err = xgi_pcie_heap_init(info);
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if (err) {
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DRM_ERROR("Unable to initialize GART heap.\n");
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return err;
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}
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/* Alloc 1M bytes for cmdbuffer which is flush2D batch array */
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err = xgi_cmdlist_initialize(info, 0x100000, filp);
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if (err) {
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DRM_ERROR("xgi_cmdlist_initialize() failed\n");
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return err;
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}
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}
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if (info->pcie_map == NULL) {
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err = drm_addmap(info->dev, 0, info->pcie.size,
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_DRM_SCATTER_GATHER, _DRM_LOCKED,
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& info->pcie_map);
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if (err) {
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DRM_ERROR("Could not add map for GART backing "
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"store.\n");
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return err;
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}
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}
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maplist = drm_find_matching_map(dev, info->pcie_map);
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if (maplist == NULL) {
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DRM_ERROR("Could not find GART backing store map.\n");
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return -EINVAL;
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}
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bs->gart = *info->pcie_map;
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bs->gart.handle = (void *)(unsigned long) maplist->user_token;
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return 0;
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}
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void xgi_driver_lastclose(struct drm_device * dev)
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{
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struct xgi_info * info = dev->dev_private;
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if (info != NULL) {
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if (info->mmio_map != NULL) {
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xgi_cmdlist_cleanup(info);
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xgi_disable_ge(info);
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xgi_disable_mmio(info);
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}
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/* The core DRM lastclose routine will destroy all of our
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* mappings for us. NULL out the pointers here so that
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* xgi_bootstrap can do the right thing.
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*/
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info->pcie_map = NULL;
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info->mmio_map = NULL;
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info->fb_map = NULL;
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if (info->fb_heap.initialized) {
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xgi_mem_heap_cleanup(&info->fb_heap);
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}
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if (info->pcie_heap.initialized) {
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xgi_mem_heap_cleanup(&info->pcie_heap);
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xgi_pcie_lut_cleanup(info);
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}
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}
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}
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void xgi_reclaim_buffers_locked(struct drm_device * dev,
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struct drm_file * filp)
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{
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struct xgi_info * info = dev->dev_private;
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mutex_lock(&info->dev->struct_mutex);
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if (dev->driver->dma_quiescent) {
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dev->driver->dma_quiescent(dev);
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}
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xgi_free_all(info, &info->pcie_heap, filp);
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xgi_free_all(info, &info->fb_heap, filp);
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mutex_unlock(&info->dev->struct_mutex);
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return;
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}
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/*
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* driver receives an interrupt if someone waiting, then hand it off.
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*/
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irqreturn_t xgi_kern_isr(DRM_IRQ_ARGS)
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{
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struct drm_device *dev = (struct drm_device *) arg;
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// struct xgi_info *info = dev->dev_private;
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u32 need_to_run_bottom_half = 0;
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//DRM_INFO("xgi_kern_isr \n");
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//xgi_dvi_irq_handler(info);
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if (need_to_run_bottom_half) {
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drm_locked_tasklet(dev, xgi_kern_isr_bh);
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}
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return IRQ_HANDLED;
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}
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void xgi_kern_isr_bh(struct drm_device *dev)
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{
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struct xgi_info *info = dev->dev_private;
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DRM_INFO("xgi_kern_isr_bh \n");
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//xgi_dvi_irq_handler(info);
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}
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int xgi_driver_load(struct drm_device *dev, unsigned long flags)
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{
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struct xgi_info *info = drm_alloc(sizeof(*info), DRM_MEM_DRIVER);
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if (!info)
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return -ENOMEM;
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(void) memset(info, 0, sizeof(*info));
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dev->dev_private = info;
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info->dev = dev;
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info->mmio.base = drm_get_resource_start(dev, 1);
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info->mmio.size = drm_get_resource_len(dev, 1);
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DRM_INFO("mmio base: 0x%lx, size: 0x%x\n",
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(unsigned long) info->mmio.base, info->mmio.size);
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if ((info->mmio.base == 0) || (info->mmio.size == 0)) {
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DRM_ERROR("mmio appears to be wrong: 0x%lx 0x%x\n",
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(unsigned long) info->mmio.base, info->mmio.size);
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return -EINVAL;
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}
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info->fb.base = drm_get_resource_start(dev, 0);
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info->fb.size = drm_get_resource_len(dev, 0);
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DRM_INFO("fb base: 0x%lx, size: 0x%x\n",
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(unsigned long) info->fb.base, info->fb.size);
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xgi_mem_block_cache = kmem_cache_create("xgi_mem_block",
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sizeof(struct xgi_mem_block),
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0,
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SLAB_HWCACHE_ALIGN,
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NULL, NULL);
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if (xgi_mem_block_cache == NULL) {
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return -ENOMEM;
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}
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return 0;
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}
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int xgi_driver_unload(struct drm_device *dev)
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{
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struct xgi_info * info = dev->dev_private;
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if (xgi_mem_block_cache) {
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kmem_cache_destroy(xgi_mem_block_cache);
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xgi_mem_block_cache = NULL;
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}
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drm_free(info, sizeof(*info), DRM_MEM_DRIVER);
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dev->dev_private = NULL;
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return 0;
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}
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