mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-10-31 00:01:35 +00:00
43861f713c
Signed-off-by: Marek Olšák <maraeo@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
368 lines
12 KiB
C
368 lines
12 KiB
C
/*
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* Copyright 2008 Advanced Micro Devices, Inc.
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* Copyright 2008 Red Hat Inc.
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* Copyright 2009 Jerome Glisse.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Dave Airlie
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* Alex Deucher
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* Jerome Glisse
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*/
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#include "drmP.h"
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#include "drm_sarea.h"
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#include "radeon.h"
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#include "radeon_drm.h"
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#include <linux/vga_switcheroo.h>
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#include <linux/slab.h>
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int radeon_driver_unload_kms(struct drm_device *dev)
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{
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struct radeon_device *rdev = dev->dev_private;
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if (rdev == NULL)
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return 0;
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radeon_modeset_fini(rdev);
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radeon_device_fini(rdev);
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kfree(rdev);
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dev->dev_private = NULL;
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return 0;
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}
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int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
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{
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struct radeon_device *rdev;
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int r, acpi_status;
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rdev = kzalloc(sizeof(struct radeon_device), GFP_KERNEL);
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if (rdev == NULL) {
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return -ENOMEM;
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}
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dev->dev_private = (void *)rdev;
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/* update BUS flag */
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if (drm_device_is_agp(dev)) {
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flags |= RADEON_IS_AGP;
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} else if (drm_device_is_pcie(dev)) {
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flags |= RADEON_IS_PCIE;
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} else {
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flags |= RADEON_IS_PCI;
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}
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/* radeon_device_init should report only fatal error
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* like memory allocation failure or iomapping failure,
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* or memory manager initialization failure, it must
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* properly initialize the GPU MC controller and permit
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* VRAM allocation
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*/
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r = radeon_device_init(rdev, dev, dev->pdev, flags);
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if (r) {
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dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
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goto out;
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}
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/* Call ACPI methods */
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acpi_status = radeon_acpi_init(rdev);
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if (acpi_status)
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dev_dbg(&dev->pdev->dev, "Error during ACPI methods call\n");
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/* Again modeset_init should fail only on fatal error
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* otherwise it should provide enough functionalities
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* for shadowfb to run
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*/
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r = radeon_modeset_init(rdev);
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if (r)
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dev_err(&dev->pdev->dev, "Fatal error during modeset init\n");
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out:
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if (r)
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radeon_driver_unload_kms(dev);
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return r;
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}
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/*
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* Userspace get informations ioctl
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*/
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int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
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{
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struct radeon_device *rdev = dev->dev_private;
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struct drm_radeon_info *info;
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struct radeon_mode_info *minfo = &rdev->mode_info;
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uint32_t *value_ptr;
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uint32_t value;
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struct drm_crtc *crtc;
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int i, found;
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info = data;
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value_ptr = (uint32_t *)((unsigned long)info->value);
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if (DRM_COPY_FROM_USER(&value, value_ptr, sizeof(value)))
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return -EFAULT;
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switch (info->request) {
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case RADEON_INFO_DEVICE_ID:
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value = dev->pci_device;
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break;
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case RADEON_INFO_NUM_GB_PIPES:
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value = rdev->num_gb_pipes;
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break;
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case RADEON_INFO_NUM_Z_PIPES:
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value = rdev->num_z_pipes;
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break;
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case RADEON_INFO_ACCEL_WORKING:
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/* xf86-video-ati 6.13.0 relies on this being false for evergreen */
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if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK))
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value = false;
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else
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value = rdev->accel_working;
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break;
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case RADEON_INFO_CRTC_FROM_ID:
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for (i = 0, found = 0; i < rdev->num_crtc; i++) {
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crtc = (struct drm_crtc *)minfo->crtcs[i];
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if (crtc && crtc->base.id == value) {
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struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
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value = radeon_crtc->crtc_id;
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found = 1;
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break;
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}
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}
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if (!found) {
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DRM_DEBUG_KMS("unknown crtc id %d\n", value);
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return -EINVAL;
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}
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break;
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case RADEON_INFO_ACCEL_WORKING2:
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value = rdev->accel_working;
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break;
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case RADEON_INFO_TILING_CONFIG:
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if (rdev->family >= CHIP_CEDAR)
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value = rdev->config.evergreen.tile_config;
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else if (rdev->family >= CHIP_RV770)
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value = rdev->config.rv770.tile_config;
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else if (rdev->family >= CHIP_R600)
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value = rdev->config.r600.tile_config;
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else {
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DRM_DEBUG_KMS("tiling config is r6xx+ only!\n");
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return -EINVAL;
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}
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case RADEON_INFO_WANT_HYPERZ:
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/* The "value" here is both an input and output parameter.
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* If the input value is 1, filp requests hyper-z access.
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* If the input value is 0, filp revokes its hyper-z access.
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*
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* When returning, the value is 1 if filp owns hyper-z access,
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* 0 otherwise. */
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if (value >= 2) {
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DRM_DEBUG_KMS("WANT_HYPERZ: invalid value %d\n", value);
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return -EINVAL;
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}
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mutex_lock(&dev->struct_mutex);
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if (value == 1) {
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/* wants hyper-z */
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if (!rdev->hyperz_filp)
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rdev->hyperz_filp = filp;
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} else if (value == 0) {
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/* revokes hyper-z */
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if (rdev->hyperz_filp == filp)
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rdev->hyperz_filp = NULL;
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}
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value = rdev->hyperz_filp == filp ? 1 : 0;
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mutex_unlock(&dev->struct_mutex);
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break;
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default:
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DRM_DEBUG_KMS("Invalid request %d\n", info->request);
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return -EINVAL;
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}
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if (DRM_COPY_TO_USER(value_ptr, &value, sizeof(uint32_t))) {
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DRM_ERROR("copy_to_user\n");
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return -EFAULT;
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}
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return 0;
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}
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/*
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* Outdated mess for old drm with Xorg being in charge (void function now).
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*/
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int radeon_driver_firstopen_kms(struct drm_device *dev)
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{
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return 0;
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}
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void radeon_driver_lastclose_kms(struct drm_device *dev)
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{
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vga_switcheroo_process_delayed_switch();
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}
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int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
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{
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return 0;
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}
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void radeon_driver_postclose_kms(struct drm_device *dev,
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struct drm_file *file_priv)
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{
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}
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void radeon_driver_preclose_kms(struct drm_device *dev,
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struct drm_file *file_priv)
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{
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struct radeon_device *rdev = dev->dev_private;
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if (rdev->hyperz_filp == file_priv)
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rdev->hyperz_filp = NULL;
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}
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/*
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* VBlank related functions.
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*/
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u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc)
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{
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struct radeon_device *rdev = dev->dev_private;
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if (crtc < 0 || crtc >= rdev->num_crtc) {
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DRM_ERROR("Invalid crtc %d\n", crtc);
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return -EINVAL;
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}
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return radeon_get_vblank_counter(rdev, crtc);
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}
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int radeon_enable_vblank_kms(struct drm_device *dev, int crtc)
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{
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struct radeon_device *rdev = dev->dev_private;
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if (crtc < 0 || crtc >= rdev->num_crtc) {
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DRM_ERROR("Invalid crtc %d\n", crtc);
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return -EINVAL;
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}
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rdev->irq.crtc_vblank_int[crtc] = true;
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return radeon_irq_set(rdev);
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}
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void radeon_disable_vblank_kms(struct drm_device *dev, int crtc)
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{
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struct radeon_device *rdev = dev->dev_private;
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if (crtc < 0 || crtc >= rdev->num_crtc) {
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DRM_ERROR("Invalid crtc %d\n", crtc);
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return;
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}
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rdev->irq.crtc_vblank_int[crtc] = false;
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radeon_irq_set(rdev);
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}
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/*
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* IOCTL.
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*/
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int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
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struct drm_file *file_priv)
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{
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/* Not valid in KMS. */
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return -EINVAL;
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}
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#define KMS_INVALID_IOCTL(name) \
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int name(struct drm_device *dev, void *data, struct drm_file *file_priv)\
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{ \
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DRM_ERROR("invalid ioctl with kms %s\n", __func__); \
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return -EINVAL; \
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}
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/*
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* All these ioctls are invalid in kms world.
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*/
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KMS_INVALID_IOCTL(radeon_cp_init_kms)
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KMS_INVALID_IOCTL(radeon_cp_start_kms)
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KMS_INVALID_IOCTL(radeon_cp_stop_kms)
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KMS_INVALID_IOCTL(radeon_cp_reset_kms)
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KMS_INVALID_IOCTL(radeon_cp_idle_kms)
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KMS_INVALID_IOCTL(radeon_cp_resume_kms)
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KMS_INVALID_IOCTL(radeon_engine_reset_kms)
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KMS_INVALID_IOCTL(radeon_fullscreen_kms)
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KMS_INVALID_IOCTL(radeon_cp_swap_kms)
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KMS_INVALID_IOCTL(radeon_cp_clear_kms)
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KMS_INVALID_IOCTL(radeon_cp_vertex_kms)
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KMS_INVALID_IOCTL(radeon_cp_indices_kms)
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KMS_INVALID_IOCTL(radeon_cp_texture_kms)
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KMS_INVALID_IOCTL(radeon_cp_stipple_kms)
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KMS_INVALID_IOCTL(radeon_cp_indirect_kms)
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KMS_INVALID_IOCTL(radeon_cp_vertex2_kms)
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KMS_INVALID_IOCTL(radeon_cp_cmdbuf_kms)
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KMS_INVALID_IOCTL(radeon_cp_getparam_kms)
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KMS_INVALID_IOCTL(radeon_cp_flip_kms)
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KMS_INVALID_IOCTL(radeon_mem_alloc_kms)
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KMS_INVALID_IOCTL(radeon_mem_free_kms)
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KMS_INVALID_IOCTL(radeon_mem_init_heap_kms)
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KMS_INVALID_IOCTL(radeon_irq_emit_kms)
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KMS_INVALID_IOCTL(radeon_irq_wait_kms)
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KMS_INVALID_IOCTL(radeon_cp_setparam_kms)
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KMS_INVALID_IOCTL(radeon_surface_alloc_kms)
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KMS_INVALID_IOCTL(radeon_surface_free_kms)
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struct drm_ioctl_desc radeon_ioctls_kms[] = {
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DRM_IOCTL_DEF(DRM_RADEON_CP_INIT, radeon_cp_init_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
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DRM_IOCTL_DEF(DRM_RADEON_CP_START, radeon_cp_start_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
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DRM_IOCTL_DEF(DRM_RADEON_CP_STOP, radeon_cp_stop_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
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DRM_IOCTL_DEF(DRM_RADEON_CP_RESET, radeon_cp_reset_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
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DRM_IOCTL_DEF(DRM_RADEON_CP_IDLE, radeon_cp_idle_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_CP_RESUME, radeon_cp_resume_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_RESET, radeon_engine_reset_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_FULLSCREEN, radeon_fullscreen_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_SWAP, radeon_cp_swap_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_CLEAR, radeon_cp_clear_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_VERTEX, radeon_cp_vertex_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_INDICES, radeon_cp_indices_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_TEXTURE, radeon_cp_texture_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_STIPPLE, radeon_cp_stipple_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_INDIRECT, radeon_cp_indirect_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
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DRM_IOCTL_DEF(DRM_RADEON_VERTEX2, radeon_cp_vertex2_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_CMDBUF, radeon_cp_cmdbuf_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_GETPARAM, radeon_cp_getparam_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_FLIP, radeon_cp_flip_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_ALLOC, radeon_mem_alloc_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_FREE, radeon_mem_free_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_INIT_HEAP, radeon_mem_init_heap_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
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DRM_IOCTL_DEF(DRM_RADEON_IRQ_EMIT, radeon_irq_emit_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_IRQ_WAIT, radeon_irq_wait_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_SETPARAM, radeon_cp_setparam_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_SURF_ALLOC, radeon_surface_alloc_kms, DRM_AUTH),
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DRM_IOCTL_DEF(DRM_RADEON_SURF_FREE, radeon_surface_free_kms, DRM_AUTH),
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/* KMS */
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DRM_IOCTL_DEF(DRM_RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH|DRM_UNLOCKED),
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DRM_IOCTL_DEF(DRM_RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH|DRM_UNLOCKED),
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DRM_IOCTL_DEF(DRM_RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH|DRM_UNLOCKED),
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DRM_IOCTL_DEF(DRM_RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH|DRM_UNLOCKED),
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DRM_IOCTL_DEF(DRM_RADEON_GEM_PREAD, radeon_gem_pread_ioctl, DRM_AUTH|DRM_UNLOCKED),
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DRM_IOCTL_DEF(DRM_RADEON_GEM_PWRITE, radeon_gem_pwrite_ioctl, DRM_AUTH|DRM_UNLOCKED),
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DRM_IOCTL_DEF(DRM_RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH|DRM_UNLOCKED),
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DRM_IOCTL_DEF(DRM_RADEON_CS, radeon_cs_ioctl, DRM_AUTH|DRM_UNLOCKED),
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DRM_IOCTL_DEF(DRM_RADEON_INFO, radeon_info_ioctl, DRM_AUTH|DRM_UNLOCKED),
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DRM_IOCTL_DEF(DRM_RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED),
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DRM_IOCTL_DEF(DRM_RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED),
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DRM_IOCTL_DEF(DRM_RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH|DRM_UNLOCKED),
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};
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int radeon_max_kms_ioctl = DRM_ARRAY_SIZE(radeon_ioctls_kms);
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