| 0,0 → 1,225 |
|---|
| /* |
| * 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_crtc_helper.h" |
| #include "radeon_drm.h" |
| #include "radeon_reg.h" |
| #include "radeon.h" |
| #include "atom.h" |
| |
| static struct radeon_device *main_device; |
| |
| #if 0 |
| |
| irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS) |
| { |
| struct drm_device *dev = (struct drm_device *) arg; |
| struct radeon_device *rdev = dev->dev_private; |
| |
| return radeon_irq_process(rdev); |
| } |
| |
| /* |
| * Handle hotplug events outside the interrupt handler proper. |
| */ |
| static void radeon_hotplug_work_func(struct work_struct *work) |
| { |
| struct radeon_device *rdev = container_of(work, struct radeon_device, |
| hotplug_work); |
| struct drm_device *dev = rdev->ddev; |
| struct drm_mode_config *mode_config = &dev->mode_config; |
| struct drm_connector *connector; |
| |
| if (mode_config->num_connector) { |
| list_for_each_entry(connector, &mode_config->connector_list, head) |
| radeon_connector_hotplug(connector); |
| } |
| /* Just fire off a uevent and let userspace tell us what to do */ |
| drm_helper_hpd_irq_event(dev); |
| } |
| |
| |
| void radeon_driver_irq_uninstall_kms(struct drm_device *dev) |
| { |
| struct radeon_device *rdev = dev->dev_private; |
| unsigned i; |
| |
| if (rdev == NULL) { |
| return; |
| } |
| /* Disable *all* interrupts */ |
| rdev->irq.sw_int = false; |
| rdev->irq.gui_idle = false; |
| for (i = 0; i < rdev->num_crtc; i++) |
| rdev->irq.crtc_vblank_int[i] = false; |
| for (i = 0; i < 6; i++) { |
| rdev->irq.hpd[i] = false; |
| rdev->irq.pflip[i] = false; |
| } |
| radeon_irq_set(rdev); |
| } |
| |
| #endif |
| |
| void irq_handler_kms() |
| { |
| dbgprintf("%s\n",__FUNCTION__); |
| radeon_irq_process(main_device); |
| } |
| |
| |
| static void radeon_irq_preinstall(struct radeon_device *rdev) |
| { |
| unsigned i; |
| |
| /* Disable *all* interrupts */ |
| rdev->irq.sw_int = false; |
| rdev->irq.gui_idle = false; |
| for (i = 0; i < rdev->num_crtc; i++) |
| rdev->irq.crtc_vblank_int[i] = false; |
| for (i = 0; i < 6; i++) { |
| rdev->irq.hpd[i] = false; |
| rdev->irq.pflip[i] = false; |
| } |
| radeon_irq_set(rdev); |
| /* Clear bits */ |
| radeon_irq_process(rdev); |
| } |
| |
| int radeon_driver_irq_postinstall(struct radeon_device *rdev) |
| { |
| // struct radeon_device *rdev = dev->dev_private; |
| |
| // dev->max_vblank_count = 0x001fffff; |
| rdev->irq.sw_int = true; |
| radeon_irq_set(rdev); |
| return 0; |
| } |
| |
| int radeon_irq_kms_init(struct radeon_device *rdev) |
| { |
| int i; |
| int irq_line; |
| int r = 0; |
| |
| ENTER(); |
| |
| // INIT_WORK(&rdev->hotplug_work, radeon_hotplug_work_func); |
| |
| spin_lock_init(&rdev->irq.sw_lock); |
| for (i = 0; i < rdev->num_crtc; i++) |
| spin_lock_init(&rdev->irq.pflip_lock[i]); |
| // r = drm_vblank_init(rdev->ddev, rdev->num_crtc); |
| // if (r) { |
| // return r; |
| // } |
| |
| rdev->msi_enabled = 0; |
| rdev->irq.installed = true; |
| main_device = rdev; |
| |
| radeon_irq_preinstall(rdev); |
| |
| irq_line = rdev->pdev->irq; |
| |
| dbgprintf("%s install irq %d\n", __FUNCTION__, irq_line); |
| |
| AttachIntHandler(irq_line, irq_handler_kms, 2); |
| |
| // r = drm_irq_install(rdev->ddev); |
| |
| r = radeon_driver_irq_postinstall(rdev); |
| if (r) { |
| rdev->irq.installed = false; |
| LEAVE(); |
| return r; |
| } |
| |
| DRM_INFO("radeon: irq initialized.\n"); |
| return 0; |
| } |
| |
| |
| void radeon_irq_kms_sw_irq_get(struct radeon_device *rdev) |
| { |
| unsigned long irqflags; |
| |
| spin_lock_irqsave(&rdev->irq.sw_lock, irqflags); |
| if (rdev->ddev->irq_enabled && (++rdev->irq.sw_refcount == 1)) { |
| rdev->irq.sw_int = true; |
| radeon_irq_set(rdev); |
| } |
| spin_unlock_irqrestore(&rdev->irq.sw_lock, irqflags); |
| } |
| |
| void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev) |
| { |
| unsigned long irqflags; |
| |
| spin_lock_irqsave(&rdev->irq.sw_lock, irqflags); |
| BUG_ON(rdev->ddev->irq_enabled && rdev->irq.sw_refcount <= 0); |
| if (rdev->ddev->irq_enabled && (--rdev->irq.sw_refcount == 0)) { |
| rdev->irq.sw_int = false; |
| radeon_irq_set(rdev); |
| } |
| spin_unlock_irqrestore(&rdev->irq.sw_lock, irqflags); |
| } |
| |
| #if 0 |
| void radeon_irq_kms_pflip_irq_get(struct radeon_device *rdev, int crtc) |
| { |
| unsigned long irqflags; |
| |
| if (crtc < 0 || crtc >= rdev->num_crtc) |
| return; |
| |
| spin_lock_irqsave(&rdev->irq.pflip_lock[crtc], irqflags); |
| if (rdev->ddev->irq_enabled && (++rdev->irq.pflip_refcount[crtc] == 1)) { |
| rdev->irq.pflip[crtc] = true; |
| radeon_irq_set(rdev); |
| } |
| spin_unlock_irqrestore(&rdev->irq.pflip_lock[crtc], irqflags); |
| } |
| |
| void radeon_irq_kms_pflip_irq_put(struct radeon_device *rdev, int crtc) |
| { |
| unsigned long irqflags; |
| |
| if (crtc < 0 || crtc >= rdev->num_crtc) |
| return; |
| |
| spin_lock_irqsave(&rdev->irq.pflip_lock[crtc], irqflags); |
| BUG_ON(rdev->ddev->irq_enabled && rdev->irq.pflip_refcount[crtc] <= 0); |
| if (rdev->ddev->irq_enabled && (--rdev->irq.pflip_refcount[crtc] == 0)) { |
| rdev->irq.pflip[crtc] = false; |
| radeon_irq_set(rdev); |
| } |
| spin_unlock_irqrestore(&rdev->irq.pflip_lock[crtc], irqflags); |
| } |
| |
| #endif |