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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /drivers/gpu/drm/radeon/radeon_kms.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kms.c')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_kms.c | 526 |
1 files changed, 526 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c new file mode 100644 index 00000000..3c2628b1 --- /dev/null +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -0,0 +1,526 @@ +/* + * 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" + +#include <linux/vga_switcheroo.h> +#include <linux/slab.h> + +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; +} + +int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags) +{ + struct radeon_device *rdev; + int r, acpi_status; + + rdev = kzalloc(sizeof(struct radeon_device), GFP_KERNEL); + if (rdev == NULL) { + return -ENOMEM; + } + dev->dev_private = (void *)rdev; + + pci_set_master(dev->pdev); + + /* update BUS flag */ + if (drm_pci_device_is_agp(dev)) { + flags |= RADEON_IS_AGP; + } else if (pci_is_pcie(dev->pdev)) { + 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) { + dev_err(&dev->pdev->dev, "Fatal error during GPU init\n"); + goto out; + } + + /* Call ACPI methods */ + acpi_status = radeon_acpi_init(rdev); + if (acpi_status) + dev_dbg(&dev->pdev->dev, "Error during ACPI methods call\n"); + + /* 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) + dev_err(&dev->pdev->dev, "Fatal error during modeset init\n"); +out: + if (r) + radeon_driver_unload_kms(dev); + return r; +} + +static void radeon_set_filp_rights(struct drm_device *dev, + struct drm_file **owner, + struct drm_file *applier, + uint32_t *value) +{ + mutex_lock(&dev->struct_mutex); + if (*value == 1) { + /* wants rights */ + if (!*owner) + *owner = applier; + } else if (*value == 0) { + /* revokes rights */ + if (*owner == applier) + *owner = NULL; + } + *value = *owner == applier ? 1 : 0; + mutex_unlock(&dev->struct_mutex); +} + +/* + * Userspace get information 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; + struct radeon_mode_info *minfo = &rdev->mode_info; + uint32_t *value_ptr; + uint32_t value; + struct drm_crtc *crtc; + int i, found; + + info = data; + value_ptr = (uint32_t *)((unsigned long)info->value); + if (DRM_COPY_FROM_USER(&value, value_ptr, sizeof(value))) + return -EFAULT; + + 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; + case RADEON_INFO_ACCEL_WORKING: + /* xf86-video-ati 6.13.0 relies on this being false for evergreen */ + if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) + value = false; + else + value = rdev->accel_working; + break; + case RADEON_INFO_CRTC_FROM_ID: + for (i = 0, found = 0; i < rdev->num_crtc; i++) { + crtc = (struct drm_crtc *)minfo->crtcs[i]; + if (crtc && crtc->base.id == value) { + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + value = radeon_crtc->crtc_id; + found = 1; + break; + } + } + if (!found) { + DRM_DEBUG_KMS("unknown crtc id %d\n", value); + return -EINVAL; + } + break; + case RADEON_INFO_ACCEL_WORKING2: + value = rdev->accel_working; + break; + case RADEON_INFO_TILING_CONFIG: + if (rdev->family >= CHIP_TAHITI) + value = rdev->config.si.tile_config; + else if (rdev->family >= CHIP_CAYMAN) + value = rdev->config.cayman.tile_config; + else if (rdev->family >= CHIP_CEDAR) + value = rdev->config.evergreen.tile_config; + else if (rdev->family >= CHIP_RV770) + value = rdev->config.rv770.tile_config; + else if (rdev->family >= CHIP_R600) + value = rdev->config.r600.tile_config; + else { + DRM_DEBUG_KMS("tiling config is r6xx+ only!\n"); + return -EINVAL; + } + break; + case RADEON_INFO_WANT_HYPERZ: + /* The "value" here is both an input and output parameter. + * If the input value is 1, filp requests hyper-z access. + * If the input value is 0, filp revokes its hyper-z access. + * + * When returning, the value is 1 if filp owns hyper-z access, + * 0 otherwise. */ + if (value >= 2) { + DRM_DEBUG_KMS("WANT_HYPERZ: invalid value %d\n", value); + return -EINVAL; + } + radeon_set_filp_rights(dev, &rdev->hyperz_filp, filp, &value); + break; + case RADEON_INFO_WANT_CMASK: + /* The same logic as Hyper-Z. */ + if (value >= 2) { + DRM_DEBUG_KMS("WANT_CMASK: invalid value %d\n", value); + return -EINVAL; + } + radeon_set_filp_rights(dev, &rdev->cmask_filp, filp, &value); + break; + case RADEON_INFO_CLOCK_CRYSTAL_FREQ: + /* return clock value in KHz */ + value = rdev->clock.spll.reference_freq * 10; + break; + case RADEON_INFO_NUM_BACKENDS: + if (rdev->family >= CHIP_TAHITI) + value = rdev->config.si.max_backends_per_se * + rdev->config.si.max_shader_engines; + else if (rdev->family >= CHIP_CAYMAN) + value = rdev->config.cayman.max_backends_per_se * + rdev->config.cayman.max_shader_engines; + else if (rdev->family >= CHIP_CEDAR) + value = rdev->config.evergreen.max_backends; + else if (rdev->family >= CHIP_RV770) + value = rdev->config.rv770.max_backends; + else if (rdev->family >= CHIP_R600) + value = rdev->config.r600.max_backends; + else { + return -EINVAL; + } + break; + case RADEON_INFO_NUM_TILE_PIPES: + if (rdev->family >= CHIP_TAHITI) + value = rdev->config.si.max_tile_pipes; + else if (rdev->family >= CHIP_CAYMAN) + value = rdev->config.cayman.max_tile_pipes; + else if (rdev->family >= CHIP_CEDAR) + value = rdev->config.evergreen.max_tile_pipes; + else if (rdev->family >= CHIP_RV770) + value = rdev->config.rv770.max_tile_pipes; + else if (rdev->family >= CHIP_R600) + value = rdev->config.r600.max_tile_pipes; + else { + return -EINVAL; + } + break; + case RADEON_INFO_FUSION_GART_WORKING: + value = 1; + break; + case RADEON_INFO_BACKEND_MAP: + if (rdev->family >= CHIP_TAHITI) + value = rdev->config.si.backend_map; + else if (rdev->family >= CHIP_CAYMAN) + value = rdev->config.cayman.backend_map; + else if (rdev->family >= CHIP_CEDAR) + value = rdev->config.evergreen.backend_map; + else if (rdev->family >= CHIP_RV770) + value = rdev->config.rv770.backend_map; + else if (rdev->family >= CHIP_R600) + value = rdev->config.r600.backend_map; + else { + return -EINVAL; + } + break; + case RADEON_INFO_VA_START: + /* this is where we report if vm is supported or not */ + if (rdev->family < CHIP_CAYMAN) + return -EINVAL; + value = RADEON_VA_RESERVED_SIZE; + break; + case RADEON_INFO_IB_VM_MAX_SIZE: + /* this is where we report if vm is supported or not */ + if (rdev->family < CHIP_CAYMAN) + return -EINVAL; + value = RADEON_IB_VM_MAX_SIZE; + break; + case RADEON_INFO_MAX_PIPES: + if (rdev->family >= CHIP_TAHITI) + value = rdev->config.si.max_pipes_per_simd; + else if (rdev->family >= CHIP_CAYMAN) + value = rdev->config.cayman.max_pipes_per_simd; + else if (rdev->family >= CHIP_CEDAR) + value = rdev->config.evergreen.max_pipes; + else if (rdev->family >= CHIP_RV770) + value = rdev->config.rv770.max_pipes; + else if (rdev->family >= CHIP_R600) + value = rdev->config.r600.max_pipes; + else { + return -EINVAL; + } + break; + default: + DRM_DEBUG_KMS("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) +{ + vga_switcheroo_process_delayed_switch(); +} + +int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) +{ + struct radeon_device *rdev = dev->dev_private; + + file_priv->driver_priv = NULL; + + /* new gpu have virtual address space support */ + if (rdev->family >= CHIP_CAYMAN) { + struct radeon_fpriv *fpriv; + int r; + + fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); + if (unlikely(!fpriv)) { + return -ENOMEM; + } + + r = radeon_vm_init(rdev, &fpriv->vm); + if (r) { + radeon_vm_fini(rdev, &fpriv->vm); + kfree(fpriv); + return r; + } + + file_priv->driver_priv = fpriv; + } + return 0; +} + +void radeon_driver_postclose_kms(struct drm_device *dev, + struct drm_file *file_priv) +{ + struct radeon_device *rdev = dev->dev_private; + + /* new gpu have virtual address space support */ + if (rdev->family >= CHIP_CAYMAN && file_priv->driver_priv) { + struct radeon_fpriv *fpriv = file_priv->driver_priv; + + radeon_vm_fini(rdev, &fpriv->vm); + kfree(fpriv); + file_priv->driver_priv = NULL; + } +} + +void radeon_driver_preclose_kms(struct drm_device *dev, + struct drm_file *file_priv) +{ + struct radeon_device *rdev = dev->dev_private; + if (rdev->hyperz_filp == file_priv) + rdev->hyperz_filp = NULL; + if (rdev->cmask_filp == file_priv) + rdev->cmask_filp = NULL; +} + +/* + * 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 >= rdev->num_crtc) { + 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 >= rdev->num_crtc) { + 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 >= rdev->num_crtc) { + DRM_ERROR("Invalid crtc %d\n", crtc); + return; + } + + rdev->irq.crtc_vblank_int[crtc] = false; + + radeon_irq_set(rdev); +} + +int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, + int *max_error, + struct timeval *vblank_time, + unsigned flags) +{ + struct drm_crtc *drmcrtc; + struct radeon_device *rdev = dev->dev_private; + + if (crtc < 0 || crtc >= dev->num_crtcs) { + DRM_ERROR("Invalid crtc %d\n", crtc); + return -EINVAL; + } + + /* Get associated drm_crtc: */ + drmcrtc = &rdev->mode_info.crtcs[crtc]->base; + + /* Helper routine in DRM core does all the work: */ + return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error, + vblank_time, flags, + drmcrtc); +} + +/* + * 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_DRV(RADEON_CP_INIT, radeon_cp_init_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF_DRV(RADEON_CP_START, radeon_cp_start_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF_DRV(RADEON_CP_STOP, radeon_cp_stop_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF_DRV(RADEON_CP_RESET, radeon_cp_reset_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF_DRV(RADEON_CP_IDLE, radeon_cp_idle_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_CP_RESUME, radeon_cp_resume_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_RESET, radeon_engine_reset_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_FULLSCREEN, radeon_fullscreen_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_SWAP, radeon_cp_swap_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_CLEAR, radeon_cp_clear_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_VERTEX, radeon_cp_vertex_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_INDICES, radeon_cp_indices_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_TEXTURE, radeon_cp_texture_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_STIPPLE, radeon_cp_stipple_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_INDIRECT, radeon_cp_indirect_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF_DRV(RADEON_VERTEX2, radeon_cp_vertex2_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_CMDBUF, radeon_cp_cmdbuf_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_GETPARAM, radeon_cp_getparam_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_FLIP, radeon_cp_flip_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_ALLOC, radeon_mem_alloc_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_FREE, radeon_mem_free_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_INIT_HEAP, radeon_mem_init_heap_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF_DRV(RADEON_IRQ_EMIT, radeon_irq_emit_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_IRQ_WAIT, radeon_irq_wait_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_SETPARAM, radeon_cp_setparam_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_SURF_ALLOC, radeon_surface_alloc_kms, DRM_AUTH), + DRM_IOCTL_DEF_DRV(RADEON_SURF_FREE, radeon_surface_free_kms, DRM_AUTH), + /* KMS */ + DRM_IOCTL_DEF_DRV(RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(RADEON_GEM_PREAD, radeon_gem_pread_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(RADEON_GEM_PWRITE, radeon_gem_pwrite_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(RADEON_CS, radeon_cs_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(RADEON_INFO, radeon_info_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(RADEON_GEM_VA, radeon_gem_va_ioctl, DRM_AUTH|DRM_UNLOCKED), +}; +int radeon_max_kms_ioctl = DRM_ARRAY_SIZE(radeon_ioctls_kms); |