| /* |
| * Copyright 2008 Advanced Micro Devices, Inc. |
| * Copyright 2008 Red Hat Inc. |
| * Copyright 2009 Jerome Glisse. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Dave Airlie |
| * Alex Deucher |
| * Jerome Glisse |
| */ |
| #include "drmP.h" |
| #include "drm_sarea.h" |
| #include "radeon.h" |
| #include "radeon_drm.h" |
| |
| |
| /* |
| * Driver load/unload |
| */ |
| int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags) |
| { |
| struct radeon_device *rdev; |
| int r; |
| |
| rdev = kzalloc(sizeof(struct radeon_device), GFP_KERNEL); |
| if (rdev == NULL) { |
| return -ENOMEM; |
| } |
| dev->dev_private = (void *)rdev; |
| |
| /* update BUS flag */ |
| if (drm_device_is_agp(dev)) { |
| flags |= RADEON_IS_AGP; |
| } else if (drm_device_is_pcie(dev)) { |
| flags |= RADEON_IS_PCIE; |
| } else { |
| flags |= RADEON_IS_PCI; |
| } |
| |
| /* radeon_device_init should report only fatal error |
| * like memory allocation failure or iomapping failure, |
| * or memory manager initialization failure, it must |
| * properly initialize the GPU MC controller and permit |
| * VRAM allocation |
| */ |
| r = radeon_device_init(rdev, dev, dev->pdev, flags); |
| if (r) { |
| DRM_ERROR("Fatal error while trying to initialize radeon.\n"); |
| return r; |
| } |
| /* Again modeset_init should fail only on fatal error |
| * otherwise it should provide enough functionalities |
| * for shadowfb to run |
| */ |
| r = radeon_modeset_init(rdev); |
| if (r) { |
| return r; |
| } |
| return 0; |
| } |
| |
| int radeon_driver_unload_kms(struct drm_device *dev) |
| { |
| struct radeon_device *rdev = dev->dev_private; |
| |
| if (rdev == NULL) |
| return 0; |
| radeon_modeset_fini(rdev); |
| radeon_device_fini(rdev); |
| kfree(rdev); |
| dev->dev_private = NULL; |
| return 0; |
| } |
| |
| |
| /* |
| * Userspace get informations ioctl |
| */ |
| int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) |
| { |
| struct radeon_device *rdev = dev->dev_private; |
| struct drm_radeon_info *info; |
| uint32_t *value_ptr; |
| uint32_t value; |
| |
| info = data; |
| value_ptr = (uint32_t *)((unsigned long)info->value); |
| switch (info->request) { |
| case RADEON_INFO_DEVICE_ID: |
| value = dev->pci_device; |
| break; |
| case RADEON_INFO_NUM_GB_PIPES: |
| value = rdev->num_gb_pipes; |
| break; |
| case RADEON_INFO_NUM_Z_PIPES: |
| value = rdev->num_z_pipes; |
| break; |
| default: |
| DRM_DEBUG("Invalid request %d\n", info->request); |
| return -EINVAL; |
| } |
| if (DRM_COPY_TO_USER(value_ptr, &value, sizeof(uint32_t))) { |
| DRM_ERROR("copy_to_user\n"); |
| return -EFAULT; |
| } |
| return 0; |
| } |
| |
| |
| /* |
| * Outdated mess for old drm with Xorg being in charge (void function now). |
| */ |
| int radeon_driver_firstopen_kms(struct drm_device *dev) |
| { |
| return 0; |
| } |
| |
| |
| void radeon_driver_lastclose_kms(struct drm_device *dev) |
| { |
| } |
| |
| int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) |
| { |
| return 0; |
| } |
| |
| void radeon_driver_postclose_kms(struct drm_device *dev, |
| struct drm_file *file_priv) |
| { |
| } |
| |
| void radeon_driver_preclose_kms(struct drm_device *dev, |
| struct drm_file *file_priv) |
| { |
| } |
| |
| |
| /* |
| * VBlank related functions. |
| */ |
| u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc) |
| { |
| struct radeon_device *rdev = dev->dev_private; |
| |
| if (crtc < 0 || crtc > 1) { |
| DRM_ERROR("Invalid crtc %d\n", crtc); |
| return -EINVAL; |
| } |
| |
| return radeon_get_vblank_counter(rdev, crtc); |
| } |
| |
| int radeon_enable_vblank_kms(struct drm_device *dev, int crtc) |
| { |
| struct radeon_device *rdev = dev->dev_private; |
| |
| if (crtc < 0 || crtc > 1) { |
| DRM_ERROR("Invalid crtc %d\n", crtc); |
| return -EINVAL; |
| } |
| |
| rdev->irq.crtc_vblank_int[crtc] = true; |
| |
| return radeon_irq_set(rdev); |
| } |
| |
| void radeon_disable_vblank_kms(struct drm_device *dev, int crtc) |
| { |
| struct radeon_device *rdev = dev->dev_private; |
| |
| if (crtc < 0 || crtc > 1) { |
| DRM_ERROR("Invalid crtc %d\n", crtc); |
| return; |
| } |
| |
| rdev->irq.crtc_vblank_int[crtc] = false; |
| |
| radeon_irq_set(rdev); |
| } |
| |
| |
| /* |
| * For multiple master (like multiple X). |
| */ |
| struct drm_radeon_master_private { |
| drm_local_map_t *sarea; |
| drm_radeon_sarea_t *sarea_priv; |
| }; |
| |
| int radeon_master_create_kms(struct drm_device *dev, struct drm_master *master) |
| { |
| struct drm_radeon_master_private *master_priv; |
| unsigned long sareapage; |
| int ret; |
| |
| master_priv = kzalloc(sizeof(*master_priv), GFP_KERNEL); |
| if (master_priv == NULL) { |
| return -ENOMEM; |
| } |
| /* prebuild the SAREA */ |
| sareapage = max_t(unsigned long, SAREA_MAX, PAGE_SIZE); |
| ret = drm_addmap(dev, 0, sareapage, _DRM_SHM, |
| _DRM_CONTAINS_LOCK, |
| &master_priv->sarea); |
| if (ret) { |
| DRM_ERROR("SAREA setup failed\n"); |
| return ret; |
| } |
| master_priv->sarea_priv = master_priv->sarea->handle + sizeof(struct drm_sarea); |
| master_priv->sarea_priv->pfCurrentPage = 0; |
| master->driver_priv = master_priv; |
| return 0; |
| } |
| |
| void radeon_master_destroy_kms(struct drm_device *dev, |
| struct drm_master *master) |
| { |
| struct drm_radeon_master_private *master_priv = master->driver_priv; |
| |
| if (master_priv == NULL) { |
| return; |
| } |
| if (master_priv->sarea) { |
| drm_rmmap_locked(dev, master_priv->sarea); |
| } |
| kfree(master_priv); |
| master->driver_priv = NULL; |
| } |
| |
| |
| /* |
| * IOCTL. |
| */ |
| int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, |
| struct drm_file *file_priv) |
| { |
| /* Not valid in KMS. */ |
| return -EINVAL; |
| } |
| |
| #define KMS_INVALID_IOCTL(name) \ |
| int name(struct drm_device *dev, void *data, struct drm_file *file_priv)\ |
| { \ |
| DRM_ERROR("invalid ioctl with kms %s\n", __func__); \ |
| return -EINVAL; \ |
| } |
| |
| /* |
| * All these ioctls are invalid in kms world. |
| */ |
| KMS_INVALID_IOCTL(radeon_cp_init_kms) |
| KMS_INVALID_IOCTL(radeon_cp_start_kms) |
| KMS_INVALID_IOCTL(radeon_cp_stop_kms) |
| KMS_INVALID_IOCTL(radeon_cp_reset_kms) |
| KMS_INVALID_IOCTL(radeon_cp_idle_kms) |
| KMS_INVALID_IOCTL(radeon_cp_resume_kms) |
| KMS_INVALID_IOCTL(radeon_engine_reset_kms) |
| KMS_INVALID_IOCTL(radeon_fullscreen_kms) |
| KMS_INVALID_IOCTL(radeon_cp_swap_kms) |
| KMS_INVALID_IOCTL(radeon_cp_clear_kms) |
| KMS_INVALID_IOCTL(radeon_cp_vertex_kms) |
| KMS_INVALID_IOCTL(radeon_cp_indices_kms) |
| KMS_INVALID_IOCTL(radeon_cp_texture_kms) |
| KMS_INVALID_IOCTL(radeon_cp_stipple_kms) |
| KMS_INVALID_IOCTL(radeon_cp_indirect_kms) |
| KMS_INVALID_IOCTL(radeon_cp_vertex2_kms) |
| KMS_INVALID_IOCTL(radeon_cp_cmdbuf_kms) |
| KMS_INVALID_IOCTL(radeon_cp_getparam_kms) |
| KMS_INVALID_IOCTL(radeon_cp_flip_kms) |
| KMS_INVALID_IOCTL(radeon_mem_alloc_kms) |
| KMS_INVALID_IOCTL(radeon_mem_free_kms) |
| KMS_INVALID_IOCTL(radeon_mem_init_heap_kms) |
| KMS_INVALID_IOCTL(radeon_irq_emit_kms) |
| KMS_INVALID_IOCTL(radeon_irq_wait_kms) |
| KMS_INVALID_IOCTL(radeon_cp_setparam_kms) |
| KMS_INVALID_IOCTL(radeon_surface_alloc_kms) |
| KMS_INVALID_IOCTL(radeon_surface_free_kms) |
| |
| |
| struct drm_ioctl_desc radeon_ioctls_kms[] = { |
| DRM_IOCTL_DEF(DRM_RADEON_CP_INIT, radeon_cp_init_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| DRM_IOCTL_DEF(DRM_RADEON_CP_START, radeon_cp_start_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| DRM_IOCTL_DEF(DRM_RADEON_CP_STOP, radeon_cp_stop_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| DRM_IOCTL_DEF(DRM_RADEON_CP_RESET, radeon_cp_reset_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| DRM_IOCTL_DEF(DRM_RADEON_CP_IDLE, radeon_cp_idle_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_CP_RESUME, radeon_cp_resume_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_RESET, radeon_engine_reset_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_FULLSCREEN, radeon_fullscreen_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_SWAP, radeon_cp_swap_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_CLEAR, radeon_cp_clear_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_VERTEX, radeon_cp_vertex_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_INDICES, radeon_cp_indices_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_TEXTURE, radeon_cp_texture_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_STIPPLE, radeon_cp_stipple_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_INDIRECT, radeon_cp_indirect_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| DRM_IOCTL_DEF(DRM_RADEON_VERTEX2, radeon_cp_vertex2_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_CMDBUF, radeon_cp_cmdbuf_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_GETPARAM, radeon_cp_getparam_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_FLIP, radeon_cp_flip_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_ALLOC, radeon_mem_alloc_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_FREE, radeon_mem_free_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_INIT_HEAP, radeon_mem_init_heap_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
| DRM_IOCTL_DEF(DRM_RADEON_IRQ_EMIT, radeon_irq_emit_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_IRQ_WAIT, radeon_irq_wait_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_SETPARAM, radeon_cp_setparam_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_SURF_ALLOC, radeon_surface_alloc_kms, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_SURF_FREE, radeon_surface_free_kms, DRM_AUTH), |
| /* KMS */ |
| DRM_IOCTL_DEF(DRM_RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_GEM_PREAD, radeon_gem_pread_ioctl, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_GEM_PWRITE, radeon_gem_pwrite_ioctl, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_CS, radeon_cs_ioctl, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_INFO, radeon_info_ioctl, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH), |
| DRM_IOCTL_DEF(DRM_RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH), |
| }; |
| int radeon_max_kms_ioctl = DRM_ARRAY_SIZE(radeon_ioctls_kms); |