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  1. /*
  2.  * Copyright 2008 Advanced Micro Devices, Inc.
  3.  * Copyright 2008 Red Hat Inc.
  4.  * Copyright 2009 Jerome Glisse.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the "Software"),
  8.  * to deal in the Software without restriction, including without limitation
  9.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10.  * and/or sell copies of the Software, and to permit persons to whom the
  11.  * Software is furnished to do so, subject to the following conditions:
  12.  *
  13.  * The above copyright notice and this permission notice shall be included in
  14.  * all copies or substantial portions of the Software.
  15.  *
  16.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19.  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20.  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21.  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22.  * OTHER DEALINGS IN THE SOFTWARE.
  23.  *
  24.  * Authors: Dave Airlie
  25.  *          Alex Deucher
  26.  *          Jerome Glisse
  27.  */
  28. //#include <linux/console.h>
  29. //#include <drm/drmP.h>
  30. //#include <drm/drm_crtc_helper.h>
  31. #include "radeon_drm.h"
  32. #include "radeon_reg.h"
  33. #include "radeon.h"
  34. #include "radeon_asic.h"
  35. #include "atom.h"
  36.  
  37. #include <syscall.h>
  38.  
  39. int radeon_dynclks = -1;
  40. int radeon_agpmode   = -1;
  41. int radeon_gart_size = 512; /* default gart size */
  42.  
  43.  
  44. /*
  45.  * Clear GPU surface registers.
  46.  */
  47. static void radeon_surface_init(struct radeon_device *rdev)
  48. {
  49.     dbgprintf("%s\n",__FUNCTION__);
  50.  
  51.     /* FIXME: check this out */
  52.     if (rdev->family < CHIP_R600) {
  53.         int i;
  54.  
  55.         for (i = 0; i < 8; i++) {
  56.             WREG32(RADEON_SURFACE0_INFO +
  57.                    i * (RADEON_SURFACE1_INFO - RADEON_SURFACE0_INFO),
  58.                    0);
  59.         }
  60.     }
  61. }
  62.  
  63. /*
  64.  * GPU scratch registers helpers function.
  65.  */
  66. static void radeon_scratch_init(struct radeon_device *rdev)
  67. {
  68.     int i;
  69.  
  70.     /* FIXME: check this out */
  71.     if (rdev->family < CHIP_R300) {
  72.         rdev->scratch.num_reg = 5;
  73.     } else {
  74.         rdev->scratch.num_reg = 7;
  75.     }
  76.     for (i = 0; i < rdev->scratch.num_reg; i++) {
  77.         rdev->scratch.free[i] = true;
  78.         rdev->scratch.reg[i] = RADEON_SCRATCH_REG0 + (i * 4);
  79.     }
  80. }
  81.  
  82. int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg)
  83. {
  84.         int i;
  85.  
  86.         for (i = 0; i < rdev->scratch.num_reg; i++) {
  87.                 if (rdev->scratch.free[i]) {
  88.                         rdev->scratch.free[i] = false;
  89.                         *reg = rdev->scratch.reg[i];
  90.                         return 0;
  91.                 }
  92.         }
  93.         return -EINVAL;
  94. }
  95.  
  96. void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg)
  97. {
  98.         int i;
  99.  
  100.         for (i = 0; i < rdev->scratch.num_reg; i++) {
  101.                 if (rdev->scratch.reg[i] == reg) {
  102.                         rdev->scratch.free[i] = true;
  103.                         return;
  104.                 }
  105.         }
  106. }
  107.  
  108. /*
  109.  * MC common functions
  110.  */
  111. int radeon_mc_setup(struct radeon_device *rdev)
  112. {
  113.         uint32_t tmp;
  114.  
  115.         /* Some chips have an "issue" with the memory controller, the
  116.          * location must be aligned to the size. We just align it down,
  117.          * too bad if we walk over the top of system memory, we don't
  118.          * use DMA without a remapped anyway.
  119.          * Affected chips are rv280, all r3xx, and all r4xx, but not IGP
  120.          */
  121.         /* FGLRX seems to setup like this, VRAM a 0, then GART.
  122.          */
  123. /*
  124.          * Note: from R6xx the address space is 40bits but here we only
  125.          * use 32bits (still have to see a card which would exhaust 4G
  126.          * address space).
  127.          */
  128.         if (rdev->mc.vram_location != 0xFFFFFFFFUL) {
  129.                 /* vram location was already setup try to put gtt after
  130.                  * if it fits */
  131.                 tmp = rdev->mc.vram_location + rdev->mc.vram_size;
  132.                 tmp = (tmp + rdev->mc.gtt_size - 1) & ~(rdev->mc.gtt_size - 1);
  133.                 if ((0xFFFFFFFFUL - tmp) >= rdev->mc.gtt_size) {
  134.                         rdev->mc.gtt_location = tmp;
  135.                 } else {
  136.                         if (rdev->mc.gtt_size >= rdev->mc.vram_location) {
  137.                                 printk(KERN_ERR "[drm] GTT too big to fit "
  138.                                        "before or after vram location.\n");
  139.                                 return -EINVAL;
  140.                         }
  141.                         rdev->mc.gtt_location = 0;
  142.                 }
  143.         } else if (rdev->mc.gtt_location != 0xFFFFFFFFUL) {
  144.                 /* gtt location was already setup try to put vram before
  145.                  * if it fits */
  146.                 if (rdev->mc.vram_size < rdev->mc.gtt_location) {
  147.                         rdev->mc.vram_location = 0;
  148.                 } else {
  149.                         tmp = rdev->mc.gtt_location + rdev->mc.gtt_size;
  150.                         tmp += (rdev->mc.vram_size - 1);
  151.                         tmp &= ~(rdev->mc.vram_size - 1);
  152.                         if ((0xFFFFFFFFUL - tmp) >= rdev->mc.vram_size) {
  153.                                 rdev->mc.vram_location = tmp;
  154.                         } else {
  155.                                 printk(KERN_ERR "[drm] vram too big to fit "
  156.                                        "before or after GTT location.\n");
  157.                                 return -EINVAL;
  158.                         }
  159.                 }
  160.         } else {
  161.                 rdev->mc.vram_location = 0;
  162.                 rdev->mc.gtt_location = rdev->mc.vram_size;
  163.         }
  164.         DRM_INFO("radeon: VRAM %uM\n", rdev->mc.vram_size >> 20);
  165.         DRM_INFO("radeon: VRAM from 0x%08X to 0x%08X\n",
  166.                  rdev->mc.vram_location,
  167.                  rdev->mc.vram_location + rdev->mc.vram_size - 1);
  168.         DRM_INFO("radeon: GTT %uM\n", rdev->mc.gtt_size >> 20);
  169.         DRM_INFO("radeon: GTT from 0x%08X to 0x%08X\n",
  170.                  rdev->mc.gtt_location,
  171.                  rdev->mc.gtt_location + rdev->mc.gtt_size - 1);
  172.         return 0;
  173. }
  174.  
  175.  
  176. /*
  177.  * GPU helpers function.
  178.  */
  179. static bool radeon_card_posted(struct radeon_device *rdev)
  180. {
  181.         uint32_t reg;
  182.  
  183.     dbgprintf("%s\n",__FUNCTION__);
  184.  
  185.         /* first check CRTCs */
  186.         if (ASIC_IS_AVIVO(rdev)) {
  187.                 reg = RREG32(AVIVO_D1CRTC_CONTROL) |
  188.                       RREG32(AVIVO_D2CRTC_CONTROL);
  189.                 if (reg & AVIVO_CRTC_EN) {
  190.                         return true;
  191.                 }
  192.         } else {
  193.                 reg = RREG32(RADEON_CRTC_GEN_CNTL) |
  194.                       RREG32(RADEON_CRTC2_GEN_CNTL);
  195.                 if (reg & RADEON_CRTC_EN) {
  196.                         return true;
  197.                 }
  198.         }
  199.  
  200.         /* then check MEM_SIZE, in case the crtcs are off */
  201.         if (rdev->family >= CHIP_R600)
  202.                 reg = RREG32(R600_CONFIG_MEMSIZE);
  203.         else
  204.                 reg = RREG32(RADEON_CONFIG_MEMSIZE);
  205.  
  206.         if (reg)
  207.                 return true;
  208.  
  209.         return false;
  210.  
  211. }
  212.  
  213.  
  214. /*
  215.  * Registers accessors functions.
  216.  */
  217. uint32_t radeon_invalid_rreg(struct radeon_device *rdev, uint32_t reg)
  218. {
  219.     DRM_ERROR("Invalid callback to read register 0x%04X\n", reg);
  220.     BUG_ON(1);
  221.     return 0;
  222. }
  223.  
  224. void radeon_invalid_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
  225. {
  226.     DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n",
  227.           reg, v);
  228.     BUG_ON(1);
  229. }
  230.  
  231. void radeon_register_accessor_init(struct radeon_device *rdev)
  232. {
  233.  
  234.     dbgprintf("%s\n",__FUNCTION__);
  235.  
  236.     rdev->mm_rreg = &r100_mm_rreg;
  237.     rdev->mm_wreg = &r100_mm_wreg;
  238.     rdev->mc_rreg = &radeon_invalid_rreg;
  239.     rdev->mc_wreg = &radeon_invalid_wreg;
  240.     rdev->pll_rreg = &radeon_invalid_rreg;
  241.     rdev->pll_wreg = &radeon_invalid_wreg;
  242.     rdev->pcie_rreg = &radeon_invalid_rreg;
  243.     rdev->pcie_wreg = &radeon_invalid_wreg;
  244.     rdev->pciep_rreg = &radeon_invalid_rreg;
  245.     rdev->pciep_wreg = &radeon_invalid_wreg;
  246.  
  247.     /* Don't change order as we are overridding accessor. */
  248.     if (rdev->family < CHIP_RV515) {
  249. //        rdev->pcie_rreg = &rv370_pcie_rreg;
  250. //        rdev->pcie_wreg = &rv370_pcie_wreg;
  251.     }
  252.     if (rdev->family >= CHIP_RV515) {
  253.         rdev->pcie_rreg = &rv515_pcie_rreg;
  254.         rdev->pcie_wreg = &rv515_pcie_wreg;
  255.     }
  256.     /* FIXME: not sure here */
  257.     if (rdev->family <= CHIP_R580) {
  258.         rdev->pll_rreg = &r100_pll_rreg;
  259.         rdev->pll_wreg = &r100_pll_wreg;
  260.     }
  261.     if (rdev->family >= CHIP_RV515) {
  262.         rdev->mc_rreg = &rv515_mc_rreg;
  263.         rdev->mc_wreg = &rv515_mc_wreg;
  264.     }
  265.     if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) {
  266. //        rdev->mc_rreg = &rs400_mc_rreg;
  267. //        rdev->mc_wreg = &rs400_mc_wreg;
  268.     }
  269.     if (rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) {
  270. //        rdev->mc_rreg = &rs690_mc_rreg;
  271. //        rdev->mc_wreg = &rs690_mc_wreg;
  272.     }
  273.     if (rdev->family == CHIP_RS600) {
  274. //        rdev->mc_rreg = &rs600_mc_rreg;
  275. //        rdev->mc_wreg = &rs600_mc_wreg;
  276.     }
  277.     if (rdev->family >= CHIP_R600) {
  278. //        rdev->pciep_rreg = &r600_pciep_rreg;
  279. //        rdev->pciep_wreg = &r600_pciep_wreg;
  280.     }
  281. }
  282.  
  283.  
  284.  
  285. /*
  286.  * ASIC
  287.  */
  288. int radeon_asic_init(struct radeon_device *rdev)
  289. {
  290.  
  291.     dbgprintf("%s\n",__FUNCTION__);
  292.  
  293.     radeon_register_accessor_init(rdev);
  294.         switch (rdev->family) {
  295.         case CHIP_R100:
  296.         case CHIP_RV100:
  297.         case CHIP_RS100:
  298.         case CHIP_RV200:
  299.         case CHIP_RS200:
  300.         case CHIP_R200:
  301.         case CHIP_RV250:
  302.         case CHIP_RS300:
  303.         case CHIP_RV280:
  304. //       rdev->asic = &r100_asic;
  305.                 break;
  306.         case CHIP_R300:
  307.         case CHIP_R350:
  308.         case CHIP_RV350:
  309.         case CHIP_RV380:
  310. //       rdev->asic = &r300_asic;
  311.                 break;
  312.         case CHIP_R420:
  313.         case CHIP_R423:
  314.         case CHIP_RV410:
  315. //       rdev->asic = &r420_asic;
  316.                 break;
  317.         case CHIP_RS400:
  318.         case CHIP_RS480:
  319. //       rdev->asic = &rs400_asic;
  320.                 break;
  321.         case CHIP_RS600:
  322. //       rdev->asic = &rs600_asic;
  323.                 break;
  324.         case CHIP_RS690:
  325.         case CHIP_RS740:
  326. //       rdev->asic = &rs690_asic;
  327.                 break;
  328.         case CHIP_RV515:
  329. //       rdev->asic = &rv515_asic;
  330.                 break;
  331.         case CHIP_R520:
  332.         case CHIP_RV530:
  333.         case CHIP_RV560:
  334.         case CHIP_RV570:
  335.         case CHIP_R580:
  336.         rdev->asic = &r520_asic;
  337.                 break;
  338.         case CHIP_R600:
  339.         case CHIP_RV610:
  340.         case CHIP_RV630:
  341.         case CHIP_RV620:
  342.         case CHIP_RV635:
  343.         case CHIP_RV670:
  344.         case CHIP_RS780:
  345.         case CHIP_RV770:
  346.         case CHIP_RV730:
  347.         case CHIP_RV710:
  348.         default:
  349.                 /* FIXME: not supported yet */
  350.                 return -EINVAL;
  351.         }
  352.         return 0;
  353. }
  354.  
  355.  
  356. /*
  357.  * Wrapper around modesetting bits.
  358.  */
  359. int radeon_clocks_init(struct radeon_device *rdev)
  360. {
  361.         int r;
  362.  
  363.     dbgprintf("%s\n",__FUNCTION__);
  364.  
  365.     radeon_get_clock_info(rdev->ddev);
  366.     r = radeon_static_clocks_init(rdev->ddev);
  367.         if (r) {
  368.                 return r;
  369.         }
  370.         DRM_INFO("Clocks initialized !\n");
  371.         return 0;
  372. }
  373.  
  374. void radeon_clocks_fini(struct radeon_device *rdev)
  375. {
  376. }
  377.  
  378. /* ATOM accessor methods */
  379. static uint32_t cail_pll_read(struct card_info *info, uint32_t reg)
  380. {
  381.     struct radeon_device *rdev = info->dev->dev_private;
  382.     uint32_t r;
  383.  
  384.     r = rdev->pll_rreg(rdev, reg);
  385.     return r;
  386. }
  387.  
  388. static void cail_pll_write(struct card_info *info, uint32_t reg, uint32_t val)
  389. {
  390.     struct radeon_device *rdev = info->dev->dev_private;
  391.  
  392.     rdev->pll_wreg(rdev, reg, val);
  393. }
  394.  
  395. static uint32_t cail_mc_read(struct card_info *info, uint32_t reg)
  396. {
  397.     struct radeon_device *rdev = info->dev->dev_private;
  398.     uint32_t r;
  399.  
  400.     r = rdev->mc_rreg(rdev, reg);
  401.     return r;
  402. }
  403.  
  404. static void cail_mc_write(struct card_info *info, uint32_t reg, uint32_t val)
  405. {
  406.     struct radeon_device *rdev = info->dev->dev_private;
  407.  
  408.     rdev->mc_wreg(rdev, reg, val);
  409. }
  410.  
  411. static void cail_reg_write(struct card_info *info, uint32_t reg, uint32_t val)
  412. {
  413.     struct radeon_device *rdev = info->dev->dev_private;
  414.  
  415.     WREG32(reg*4, val);
  416. }
  417.  
  418. static uint32_t cail_reg_read(struct card_info *info, uint32_t reg)
  419. {
  420.     struct radeon_device *rdev = info->dev->dev_private;
  421.     uint32_t r;
  422.  
  423.     r = RREG32(reg*4);
  424.     return r;
  425. }
  426.  
  427. static struct card_info atom_card_info = {
  428.     .dev = NULL,
  429.     .reg_read = cail_reg_read,
  430.     .reg_write = cail_reg_write,
  431.     .mc_read = cail_mc_read,
  432.     .mc_write = cail_mc_write,
  433.     .pll_read = cail_pll_read,
  434.     .pll_write = cail_pll_write,
  435. };
  436.  
  437. int radeon_atombios_init(struct radeon_device *rdev)
  438. {
  439.     dbgprintf("%s\n",__FUNCTION__);
  440.  
  441.     atom_card_info.dev = rdev->ddev;
  442.     rdev->mode_info.atom_context = atom_parse(&atom_card_info, rdev->bios);
  443.     radeon_atom_initialize_bios_scratch_regs(rdev->ddev);
  444.     return 0;
  445. }
  446.  
  447. void radeon_atombios_fini(struct radeon_device *rdev)
  448. {
  449.         kfree(rdev->mode_info.atom_context);
  450. }
  451.  
  452. int radeon_combios_init(struct radeon_device *rdev)
  453. {
  454. //      radeon_combios_initialize_bios_scratch_regs(rdev->ddev);
  455.         return 0;
  456. }
  457.  
  458. void radeon_combios_fini(struct radeon_device *rdev)
  459. {
  460. }
  461.  
  462. int radeon_modeset_init(struct radeon_device *rdev);
  463. void radeon_modeset_fini(struct radeon_device *rdev);
  464.  
  465. /*
  466.  * Radeon device.
  467.  */
  468. int radeon_device_init(struct radeon_device *rdev,
  469.                struct drm_device *ddev,
  470.                struct pci_dev *pdev,
  471.                uint32_t flags)
  472. {
  473.     int r, ret = -1;
  474.  
  475.     dbgprintf("%s\n",__FUNCTION__);
  476.  
  477.     DRM_INFO("radeon: Initializing kernel modesetting.\n");
  478.     rdev->shutdown = false;
  479.     rdev->ddev = ddev;
  480.     rdev->pdev = pdev;
  481.     rdev->flags = flags;
  482.     rdev->family = flags & RADEON_FAMILY_MASK;
  483.     rdev->is_atom_bios = false;
  484.     rdev->usec_timeout = RADEON_MAX_USEC_TIMEOUT;
  485.     rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
  486.     rdev->gpu_lockup = false;
  487.     /* mutex initialization are all done here so we
  488.      * can recall function without having locking issues */
  489.  //   mutex_init(&rdev->cs_mutex);
  490.  //   mutex_init(&rdev->ib_pool.mutex);
  491.  //   mutex_init(&rdev->cp.mutex);
  492.  //   rwlock_init(&rdev->fence_drv.lock);
  493.  
  494.  
  495.     if (radeon_agpmode == -1) {
  496.         rdev->flags &= ~RADEON_IS_AGP;
  497.         if (rdev->family > CHIP_RV515 ||
  498.             rdev->family == CHIP_RV380 ||
  499.             rdev->family == CHIP_RV410 ||
  500.             rdev->family == CHIP_R423) {
  501.             DRM_INFO("Forcing AGP to PCIE mode\n");
  502.             rdev->flags |= RADEON_IS_PCIE;
  503.         } else {
  504.             DRM_INFO("Forcing AGP to PCI mode\n");
  505.             rdev->flags |= RADEON_IS_PCI;
  506.         }
  507.     }
  508.  
  509.     /* Set asic functions */
  510.     r = radeon_asic_init(rdev);
  511.     if (r) {
  512.         return r;
  513.     }
  514. //    r = radeon_init(rdev);
  515.  
  516.     r = rdev->asic->init(rdev);
  517.  
  518.     if (r) {
  519.         return r;
  520.     }
  521.  
  522.     /* Report DMA addressing limitation */
  523.     r = pci_set_dma_mask(rdev->pdev, DMA_BIT_MASK(32));
  524.     if (r) {
  525.         printk(KERN_WARNING "radeon: No suitable DMA available.\n");
  526.     }
  527.  
  528.     /* Registers mapping */
  529.     /* TODO: block userspace mapping of io register */
  530.     rdev->rmmio_base = pci_resource_start(rdev->pdev, 2);
  531.  
  532.     rdev->rmmio_size = pci_resource_len(rdev->pdev, 2);
  533.  
  534.     rdev->rmmio =  (void*)MapIoMem(rdev->rmmio_base, rdev->rmmio_size,
  535.                                    PG_SW+PG_NOCACHE);
  536.  
  537.     if (rdev->rmmio == NULL) {
  538.         return -ENOMEM;
  539.     }
  540.     DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)rdev->rmmio_base);
  541.     DRM_INFO("register mmio size: %u\n", (unsigned)rdev->rmmio_size);
  542.  
  543.     /* Setup errata flags */
  544.     radeon_errata(rdev);
  545.     /* Initialize scratch registers */
  546.     radeon_scratch_init(rdev);
  547.         /* Initialize surface registers */
  548.     radeon_surface_init(rdev);
  549.  
  550.     /* TODO: disable VGA need to use VGA request */
  551.     /* BIOS*/
  552.     if (!radeon_get_bios(rdev)) {
  553.         if (ASIC_IS_AVIVO(rdev))
  554.             return -EINVAL;
  555.     }
  556.     if (rdev->is_atom_bios) {
  557.         r = radeon_atombios_init(rdev);
  558.         if (r) {
  559.             return r;
  560.         }
  561.     } else {
  562.         r = radeon_combios_init(rdev);
  563.         if (r) {
  564.             return r;
  565.         }
  566.     }
  567.     /* Reset gpu before posting otherwise ATOM will enter infinite loop */
  568.     if (radeon_gpu_reset(rdev)) {
  569.         /* FIXME: what do we want to do here ? */
  570.     }
  571.     /* check if cards are posted or not */
  572.     if (!radeon_card_posted(rdev) && rdev->bios) {
  573.         DRM_INFO("GPU not posted. posting now...\n");
  574.         if (rdev->is_atom_bios) {
  575.             atom_asic_init(rdev->mode_info.atom_context);
  576.         } else {
  577.     //        radeon_combios_asic_init(rdev->ddev);
  578.         }
  579.     }
  580.  
  581.     /* Get vram informations */
  582.     radeon_vram_info(rdev);
  583.     /* Device is severly broken if aper size > vram size.
  584.      * for RN50/M6/M7 - Novell bug 204882 ?
  585.      */
  586.     if (rdev->mc.vram_size < rdev->mc.aper_size) {
  587.         rdev->mc.aper_size = rdev->mc.vram_size;
  588.     }
  589.     /* Add an MTRR for the VRAM */
  590. //    rdev->mc.vram_mtrr = mtrr_add(rdev->mc.aper_base, rdev->mc.aper_size,
  591. //                      MTRR_TYPE_WRCOMB, 1);
  592.     DRM_INFO("Detected VRAM RAM=%uM, BAR=%uM\n",
  593.          rdev->mc.vram_size >> 20,
  594.          (unsigned)rdev->mc.aper_size >> 20);
  595.     DRM_INFO("RAM width %dbits %cDR\n",
  596.          rdev->mc.vram_width, rdev->mc.vram_is_ddr ? 'D' : 'S');
  597.  
  598.     /* Initialize clocks */
  599.     r = radeon_clocks_init(rdev);
  600.     if (r) {
  601.         return r;
  602.     }
  603.  
  604.     /* Initialize memory controller (also test AGP) */
  605.     r = radeon_mc_init(rdev);
  606.     if (r) {
  607.         return r;
  608.     };
  609.  
  610.  
  611.     /* Fence driver */
  612. //    r = radeon_fence_driver_init(rdev);
  613. //    if (r) {
  614. //        return r;
  615. //    }
  616. //    r = radeon_irq_kms_init(rdev);
  617. //    if (r) {
  618. //        return r;
  619. //    }
  620.     /* Memory manager */
  621.     r = radeon_object_init(rdev);
  622.     if (r) {
  623.         return r;
  624.     }
  625.     /* Initialize GART (initialize after TTM so we can allocate
  626.      * memory through TTM but finalize after TTM) */
  627.     r = radeon_gart_enable(rdev);
  628. //    if (!r) {
  629. //        r = radeon_gem_init(rdev);
  630. //    }
  631.  
  632.     /* 1M ring buffer */
  633.     if (!r) {
  634.         r = radeon_cp_init(rdev, 1024 * 1024);
  635.     }
  636.     if (!r) {
  637.         r = radeon_wb_init(rdev);
  638.         if (r) {
  639.             DRM_ERROR("radeon: failled initializing WB (%d).\n", r);
  640.             return r;
  641.         }
  642.     }
  643.  
  644.     if (!r) {
  645.         r = radeon_ib_pool_init(rdev);
  646.         if (r) {
  647.             DRM_ERROR("radeon: failled initializing IB pool (%d).\n", r);
  648.             return r;
  649.         }
  650.     }
  651. #if 0
  652.  
  653.     if (!r) {
  654.         r = radeon_ib_test(rdev);
  655.         if (r) {
  656.             DRM_ERROR("radeon: failled testing IB (%d).\n", r);
  657.             return r;
  658.         }
  659.     }
  660.     ret = r;
  661.     r = radeon_modeset_init(rdev);
  662.     if (r) {
  663.         return r;
  664.     }
  665.     if (rdev->fbdev_rfb && rdev->fbdev_rfb->obj) {
  666.         rdev->fbdev_robj = rdev->fbdev_rfb->obj->driver_private;
  667.     }
  668.     if (!ret) {
  669.         DRM_INFO("radeon: kernel modesetting successfully initialized.\n");
  670.     }
  671. //    if (radeon_benchmarking) {
  672. //        radeon_benchmark(rdev);
  673. //    }
  674.  
  675. #endif
  676.  
  677.     return ret;
  678. }
  679.  
  680. static struct pci_device_id pciidlist[] = {
  681.     radeon_PCI_IDS
  682. };
  683.  
  684.  
  685. u32_t __stdcall drvEntry(int action)
  686. {
  687.     struct pci_device_id  *ent;
  688.  
  689.     dev_t   device;
  690.     int     err;
  691.     u32_t   retval = 0;
  692.  
  693.     if(action != 1)
  694.         return 0;
  695.  
  696.     if(!dbg_open("/hd0/2/atikms.log"))
  697.     {
  698.         printf("Can't open /hd0/2/atikms.log\nExit\n");
  699.         return 0;
  700.     }
  701.  
  702.     enum_pci_devices();
  703.  
  704.     ent = find_pci_device(&device, pciidlist);
  705.  
  706.     if( unlikely(ent == NULL) )
  707.     {
  708.         dbgprintf("device not found\n");
  709.         return 0;
  710.     };
  711.  
  712.     dbgprintf("device %x:%x\n", device.pci_dev.vendor,
  713.                                 device.pci_dev.device);
  714.  
  715.     err = drm_get_dev(&device.pci_dev, ent);
  716.  
  717.     return retval;
  718. };
  719.  
  720. /*
  721. static struct drm_driver kms_driver = {
  722.     .driver_features =
  723.         DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
  724.         DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
  725.     .dev_priv_size = 0,
  726.     .load = radeon_driver_load_kms,
  727.     .firstopen = radeon_driver_firstopen_kms,
  728.     .open = radeon_driver_open_kms,
  729.     .preclose = radeon_driver_preclose_kms,
  730.     .postclose = radeon_driver_postclose_kms,
  731.     .lastclose = radeon_driver_lastclose_kms,
  732.     .unload = radeon_driver_unload_kms,
  733.     .suspend = radeon_suspend_kms,
  734.     .resume = radeon_resume_kms,
  735.     .get_vblank_counter = radeon_get_vblank_counter_kms,
  736.     .enable_vblank = radeon_enable_vblank_kms,
  737.     .disable_vblank = radeon_disable_vblank_kms,
  738.     .master_create = radeon_master_create_kms,
  739.     .master_destroy = radeon_master_destroy_kms,
  740. #if defined(CONFIG_DEBUG_FS)
  741.     .debugfs_init = radeon_debugfs_init,
  742.     .debugfs_cleanup = radeon_debugfs_cleanup,
  743. #endif
  744.     .irq_preinstall = radeon_driver_irq_preinstall_kms,
  745.     .irq_postinstall = radeon_driver_irq_postinstall_kms,
  746.     .irq_uninstall = radeon_driver_irq_uninstall_kms,
  747.     .irq_handler = radeon_driver_irq_handler_kms,
  748.     .reclaim_buffers = drm_core_reclaim_buffers,
  749.     .get_map_ofs = drm_core_get_map_ofs,
  750.     .get_reg_ofs = drm_core_get_reg_ofs,
  751.     .ioctls = radeon_ioctls_kms,
  752.     .gem_init_object = radeon_gem_object_init,
  753.     .gem_free_object = radeon_gem_object_free,
  754.     .dma_ioctl = radeon_dma_ioctl_kms,
  755.     .fops = {
  756.          .owner = THIS_MODULE,
  757.          .open = drm_open,
  758.          .release = drm_release,
  759.          .ioctl = drm_ioctl,
  760.          .mmap = radeon_mmap,
  761.          .poll = drm_poll,
  762.          .fasync = drm_fasync,
  763. #ifdef CONFIG_COMPAT
  764.          .compat_ioctl = NULL,
  765. #endif
  766.     },
  767.  
  768.     .pci_driver = {
  769.          .name = DRIVER_NAME,
  770.          .id_table = pciidlist,
  771.          .probe = radeon_pci_probe,
  772.          .remove = radeon_pci_remove,
  773.          .suspend = radeon_pci_suspend,
  774.          .resume = radeon_pci_resume,
  775.     },
  776.  
  777.     .name = DRIVER_NAME,
  778.     .desc = DRIVER_DESC,
  779.     .date = DRIVER_DATE,
  780.     .major = KMS_DRIVER_MAJOR,
  781.     .minor = KMS_DRIVER_MINOR,
  782.     .patchlevel = KMS_DRIVER_PATCHLEVEL,
  783. };
  784. */
  785.  
  786.  
  787. /*
  788.  * Driver load/unload
  789.  */
  790. int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
  791. {
  792.     struct radeon_device *rdev;
  793.     int r;
  794.  
  795.     dbgprintf("%s\n",__FUNCTION__);
  796.  
  797.     rdev = kzalloc(sizeof(struct radeon_device), GFP_KERNEL);
  798.     if (rdev == NULL) {
  799.         return -ENOMEM;
  800.     };
  801.  
  802.     dev->dev_private = (void *)rdev;
  803.  
  804.     /* update BUS flag */
  805. //    if (drm_device_is_agp(dev)) {
  806.         flags |= RADEON_IS_AGP;
  807. //    } else if (drm_device_is_pcie(dev)) {
  808. //        flags |= RADEON_IS_PCIE;
  809. //    } else {
  810. //        flags |= RADEON_IS_PCI;
  811. //    }
  812.  
  813.     r = radeon_device_init(rdev, dev, dev->pdev, flags);
  814.     if (r) {
  815.         dbgprintf("Failed to initialize Radeon, disabling IOCTL\n");
  816. //        radeon_device_fini(rdev);
  817.         return r;
  818.     }
  819.     return 0;
  820. }
  821.  
  822. int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent)
  823. {
  824.     struct drm_device *dev;
  825.     int ret;
  826.  
  827.     dbgprintf("%s\n",__FUNCTION__);
  828.  
  829.     dev = malloc(sizeof(*dev));
  830.     if (!dev)
  831.         return -ENOMEM;
  832.  
  833.  //   ret = pci_enable_device(pdev);
  834.  //   if (ret)
  835.  //       goto err_g1;
  836.  
  837.  //   pci_set_master(pdev);
  838.  
  839.  //   if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) {
  840.  //       printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
  841.  //       goto err_g2;
  842.  //   }
  843.  
  844.     dev->pdev = pdev;
  845.     dev->pci_device = pdev->device;
  846.     dev->pci_vendor = pdev->vendor;
  847.  
  848.  //   if (drm_core_check_feature(dev, DRIVER_MODESET)) {
  849.  //       pci_set_drvdata(pdev, dev);
  850.  //       ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
  851.  //       if (ret)
  852.  //           goto err_g2;
  853.  //   }
  854.  
  855.  //   if ((ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY)))
  856.  //       goto err_g3;
  857.  
  858.  //   if (dev->driver->load) {
  859.  //       ret = dev->driver->load(dev, ent->driver_data);
  860.  //       if (ret)
  861.  //           goto err_g4;
  862.  //   }
  863.  
  864.       ret = radeon_driver_load_kms(dev, ent->driver_data );
  865.       if (ret)
  866.         goto err_g4;
  867.  
  868.  //   list_add_tail(&dev->driver_item, &driver->device_list);
  869.  
  870.  //   DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n",
  871.  //        driver->name, driver->major, driver->minor, driver->patchlevel,
  872.  //        driver->date, pci_name(pdev), dev->primary->index);
  873.  
  874.     return 0;
  875.  
  876. err_g4:
  877. //    drm_put_minor(&dev->primary);
  878. //err_g3:
  879. //    if (drm_core_check_feature(dev, DRIVER_MODESET))
  880. //        drm_put_minor(&dev->control);
  881. //err_g2:
  882. //    pci_disable_device(pdev);
  883. //err_g1:
  884.     free(dev);
  885.  
  886.     return ret;
  887. }
  888.  
  889. resource_size_t drm_get_resource_start(struct drm_device *dev, unsigned int resource)
  890. {
  891.     return pci_resource_start(dev->pdev, resource);
  892. }
  893.  
  894. resource_size_t drm_get_resource_len(struct drm_device *dev, unsigned int resource)
  895. {
  896.     return pci_resource_len(dev->pdev, resource);
  897. }
  898.  
  899.