diff options
Diffstat (limited to 'shared-core/radeon_ms_drm.c')
| -rw-r--r-- | shared-core/radeon_ms_drm.c | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/shared-core/radeon_ms_drm.c b/shared-core/radeon_ms_drm.c new file mode 100644 index 00000000..b9245d99 --- /dev/null +++ b/shared-core/radeon_ms_drm.c @@ -0,0 +1,316 @@ +/* + * Copyright 2007 Jérôme Glisse + * Copyright 2007 Alex Deucher + * Copyright 2007 Dave Airlie + * All Rights Reserved. + * + * 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 (including the next + * paragraph) 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 + * PRECISION INSIGHT AND/OR ITS SUPPLIERS 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: + * Jerome Glisse <glisse@freedesktop.org> + */ +#include "drm_pciids.h" +#include "radeon_ms.h" + + +static uint32_t radeon_ms_mem_prios[] = { + DRM_BO_MEM_VRAM, + DRM_BO_MEM_TT, + DRM_BO_MEM_LOCAL, +}; + +static uint32_t radeon_ms_busy_prios[] = { + DRM_BO_MEM_TT, + DRM_BO_MEM_VRAM, + DRM_BO_MEM_LOCAL, +}; + +struct drm_bo_driver radeon_ms_bo_driver = { + .mem_type_prio = radeon_ms_mem_prios, + .mem_busy_prio = radeon_ms_busy_prios, + .num_mem_type_prio = sizeof(radeon_ms_mem_prios)/sizeof(uint32_t), + .num_mem_busy_prio = sizeof(radeon_ms_busy_prios)/sizeof(uint32_t), + .create_ttm_backend_entry = radeon_ms_create_ttm_backend, + .fence_type = r3xx_fence_types, + .invalidate_caches = radeon_ms_invalidate_caches, + .init_mem_type = radeon_ms_init_mem_type, + .evict_flags = radeon_ms_evict_flags, + .move = radeon_ms_bo_move, + .ttm_cache_flush = radeon_ms_ttm_flush, +}; + +struct drm_ioctl_desc radeon_ms_ioctls[] = { + DRM_IOCTL_DEF(DRM_RADEON_EXECBUFFER, radeon_ms_execbuffer, DRM_AUTH), +}; +int radeon_ms_num_ioctls = DRM_ARRAY_SIZE(radeon_ms_ioctls); + +int radeon_ms_driver_dma_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_device_dma *dma = dev->dma; + struct drm_dma *d = data; + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + /* Please don't send us buffers. + */ + if (d->send_count != 0) { + DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n", + DRM_CURRENTPID, d->send_count); + return -EINVAL; + } + + /* Don't ask us buffer neither :) + */ + DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n", + DRM_CURRENTPID, d->request_count, dma->buf_count); + return -EINVAL; +} + +void radeon_ms_driver_lastclose(struct drm_device * dev) +{ +} + +int radeon_ms_driver_load(struct drm_device *dev, unsigned long flags) +{ + struct drm_radeon_private *dev_priv; + int ret = 0; + + DRM_INFO("[radeon_ms] loading\n"); + /* allocate and clear device private structure */ + dev_priv = drm_alloc(sizeof(struct drm_radeon_private), DRM_MEM_DRIVER); + if (dev_priv == NULL) + return -ENOMEM; + memset(dev_priv, 0, sizeof(struct drm_radeon_private)); + dev->dev_private = (void *)dev_priv; + + /* initialize modesetting structure (must be done here) */ + drm_mode_config_init(dev); + + /* flags correspond to chipset family */ + dev_priv->usec_timeout = 100; + dev_priv->family = flags & 0xffffU; + dev_priv->bus_type = flags & 0xff0000U; + /* initialize family functions */ + ret = radeon_ms_family_init(dev); + if (ret != 0) { + radeon_ms_driver_unload(dev); + return ret; + } + + dev_priv->fence = drm_alloc(sizeof(struct r3xx_fence), DRM_MEM_DRIVER); + if (dev_priv->fence == NULL) { + radeon_ms_driver_unload(dev); + return -ENOMEM; + } + memset(dev_priv->fence, 0, sizeof(struct r3xx_fence)); + + /* we don't want userspace to be able to map this so don't use + * drm_addmap */ + dev_priv->mmio.offset = drm_get_resource_start(dev, 2); + dev_priv->mmio.size = drm_get_resource_len(dev, 2); + dev_priv->mmio.type = _DRM_REGISTERS; + dev_priv->mmio.flags = _DRM_RESTRICTED; + drm_core_ioremap(&dev_priv->mmio, dev); + /* map vram FIXME: IGP likely don't have any of this */ + dev_priv->vram.offset = drm_get_resource_start(dev, 0); + dev_priv->vram.size = drm_get_resource_len(dev, 0); + dev_priv->vram.type = _DRM_FRAME_BUFFER; + dev_priv->vram.flags = _DRM_RESTRICTED; + drm_core_ioremap(&dev_priv->vram, dev); + + /* save radeon initial state which will be restored upon module + * exit */ + radeon_ms_state_save(dev, &dev_priv->load_state); + dev_priv->restore_state = 1; + memcpy(&dev_priv->driver_state, &dev_priv->load_state, + sizeof(struct radeon_state)); + + /* initialize irq */ + ret = radeon_ms_irq_init(dev); + if (ret != 0) { + radeon_ms_driver_unload(dev); + return ret; + } + + /* init bo driver */ + dev_priv->fence_id_last = 1; + dev_priv->fence_reg = SCRATCH_REG2; + drm_bo_driver_init(dev); + /* initialize vram */ + ret = drm_bo_init_mm(dev, DRM_BO_MEM_VRAM, 0, dev_priv->vram.size, 1); + if (ret != 0) { + radeon_ms_driver_unload(dev); + return ret; + } + + /* initialize gpu address space (only after) VRAM initialization */ + ret = radeon_ms_gpu_initialize(dev); + if (ret != 0) { + radeon_ms_driver_unload(dev); + return ret; + } + radeon_ms_gpu_restore(dev, &dev_priv->driver_state); + + /* initialize ttm */ + ret = drm_bo_init_mm(dev, DRM_BO_MEM_TT, 0, + dev_priv->gpu_gart_size / RADEON_PAGE_SIZE, 1); + if (ret != 0) { + radeon_ms_driver_unload(dev); + return ret; + } + + /* initialize ring buffer */ + /* set ring size to 4Mo FIXME: should make a parameter for this */ + dev_priv->write_back_area_size = 4 * 1024; + dev_priv->ring_buffer_size = 4 * 1024 * 1024; + ret = radeon_ms_cp_init(dev); + if (ret != 0) { + radeon_ms_driver_unload(dev); + return ret; + } + + /* initialize modesetting */ + dev->mode_config.min_width = 0; + dev->mode_config.min_height = 0; + dev->mode_config.max_width = 4096; + dev->mode_config.max_height = 4096; + dev->mode_config.fb_base = dev_priv->vram.offset; + ret = radeon_ms_crtc_create(dev, 1); + if (ret != 0) { + radeon_ms_driver_unload(dev); + return ret; + } + ret = radeon_ms_outputs_from_rom(dev); + if (ret < 0) { + radeon_ms_driver_unload(dev); + return ret; + } else if (!ret) { + ret = radeon_ms_outputs_from_properties(dev); + if (ret < 0) { + radeon_ms_driver_unload(dev); + return ret; + } else if (ret == 0) { + DRM_INFO("[radeon_ms] no outputs !\n"); + } + } else { + DRM_INFO("[radeon_ms] added %d outputs from rom.\n", ret); + } + ret = radeon_ms_connectors_from_rom(dev); + if (ret < 0) { + radeon_ms_driver_unload(dev); + return ret; + } else if (!ret) { + ret = radeon_ms_connectors_from_properties(dev); + if (ret < 0) { + radeon_ms_driver_unload(dev); + return ret; + } else if (!ret) { + DRM_INFO("[radeon_ms] no connectors !\n"); + } + } else { + DRM_INFO("[radeon_ms] added %d connectors from rom.\n", ret); + } + radeon_ms_outputs_save(dev, &dev_priv->load_state); + drm_initial_config(dev, false); + + ret = drm_irq_install(dev); + if (ret != 0) { + radeon_ms_driver_unload(dev); + return ret; + } + + DRM_INFO("[radeon_ms] successfull initialization\n"); + return 0; +} + +int radeon_ms_driver_open(struct drm_device * dev, struct drm_file *file_priv) +{ + return 0; +} + + +int radeon_ms_driver_unload(struct drm_device *dev) +{ + struct drm_radeon_private *dev_priv = dev->dev_private; + + if (dev_priv == NULL) { + return 0; + } + + /* cleanup modesetting */ + drm_mode_config_cleanup(dev); + DRM_INFO("[radeon_ms] modesetting clean\n"); + radeon_ms_outputs_restore(dev, &dev_priv->load_state); + radeon_ms_connectors_destroy(dev); + radeon_ms_outputs_destroy(dev); + + /* shutdown cp engine */ + radeon_ms_cp_finish(dev); + DRM_INFO("[radeon_ms] cp clean\n"); + + drm_irq_uninstall(dev); + DRM_INFO("[radeon_ms] irq uninstalled\n"); + + DRM_INFO("[radeon_ms] unloading\n"); + /* clean ttm memory manager */ + mutex_lock(&dev->struct_mutex); + if (drm_bo_clean_mm(dev, DRM_BO_MEM_TT, 1)) { + DRM_ERROR("TT memory manager not clean. Delaying takedown\n"); + } + mutex_unlock(&dev->struct_mutex); + DRM_INFO("[radeon_ms] TT memory clean\n"); + /* finish */ + if (dev_priv->bus_finish) { + dev_priv->bus_finish(dev); + } + DRM_INFO("[radeon_ms] bus down\n"); + /* clean vram memory manager */ + mutex_lock(&dev->struct_mutex); + if (drm_bo_clean_mm(dev, DRM_BO_MEM_VRAM, 1)) { + DRM_ERROR("VRAM memory manager not clean. Delaying takedown\n"); + } + mutex_unlock(&dev->struct_mutex); + DRM_INFO("[radeon_ms] VRAM memory clean\n"); + /* clean memory manager */ + drm_bo_driver_finish(dev); + DRM_INFO("[radeon_ms] memory manager clean\n"); + /* restore card state */ + if (dev_priv->restore_state) { + radeon_ms_state_restore(dev, &dev_priv->load_state); + } + DRM_INFO("[radeon_ms] state restored\n"); + if (dev_priv->mmio.handle) { + drm_core_ioremapfree(&dev_priv->mmio, dev); + } + if (dev_priv->vram.handle) { + drm_core_ioremapfree(&dev_priv->vram, dev); + } + DRM_INFO("[radeon_ms] map released\n"); + drm_free(dev_priv->fence, sizeof(struct r3xx_fence), DRM_MEM_DRIVER); + drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER); + dev->dev_private = NULL; + + + DRM_INFO("[radeon_ms] that's all the folks\n"); + return 0; +} + |