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Diffstat (limited to 'shared-core/radeon_ms_drm.c')
-rw-r--r--shared-core/radeon_ms_drm.c318
1 files changed, 318 insertions, 0 deletions
diff --git a/shared-core/radeon_ms_drm.c b/shared-core/radeon_ms_drm.c
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--- /dev/null
+++ b/shared-core/radeon_ms_drm.c
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+/*
+ * 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_fence_driver radeon_ms_fence_driver = {
+ .num_classes = 1,
+ .wrap_diff = (1 << 30),
+ .flush_diff = (1 << 29),
+ .sequence_mask = 0xffffffffU,
+ .lazy_capable = 1,
+ .emit = radeon_ms_fence_emit_sequence,
+ .poke_flush = radeon_ms_poke_flush,
+ .has_irq = radeon_ms_fence_has_irq,
+};
+
+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 = radeon_ms_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;
+ }
+
+ /* 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, sizeof(*dev_priv), DRM_MEM_DRIVER);
+ dev->dev_private = NULL;
+
+ DRM_INFO("[radeon_ms] that's all the folks\n");
+ return 0;
+}
+