diff options
Diffstat (limited to 'shared-core/radeon_ms_irq.c')
| -rw-r--r-- | shared-core/radeon_ms_irq.c | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/shared-core/radeon_ms_irq.c b/shared-core/radeon_ms_irq.c deleted file mode 100644 index 5c68c902..00000000 --- a/shared-core/radeon_ms_irq.c +++ /dev/null @@ -1,161 +0,0 @@ -/* - * 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 "drmP.h" -#include "drm.h" -#include "radeon_ms.h" - -static uint32_t radeon_ack_irqs(struct drm_radeon_private *dev_priv, - uint32_t mask) -{ - uint32_t irqs; - - irqs = MMIO_R(GEN_INT_STATUS); - if (irqs) { - MMIO_W(GEN_INT_STATUS, irqs); - } - if (irqs & (~mask)) { - /* reprogram irq */ - MMIO_W(GEN_INT_CNTL, dev_priv->driver_state.gen_int_cntl); - } - return irqs; -} - -void radeon_ms_irq_emit(struct drm_device *dev) -{ - struct drm_radeon_private *dev_priv = dev->dev_private; - uint32_t cmd[4]; - int i, ret; - - cmd[0] = CP_PACKET0(GEN_INT_CNTL, 1); - cmd[1] = dev_priv->driver_state.gen_int_cntl | GEN_INT_CNTL__SW_INT_EN; - cmd[2] = GEN_INT_STATUS__SW_INT_SET; - /* try to wait but if we timeout we likely are in bad situation */ - for (i = 0; i < dev_priv->usec_timeout; i++) { - ret = radeon_ms_ring_emit(dev, cmd, 3); - if (!ret) { - break; - } - } -} - -static void radeon_ms_irq_enable(struct drm_device *dev) -{ - struct drm_radeon_private *dev_priv = dev->dev_private; - struct radeon_state *state = &dev_priv->driver_state; - - state->gen_int_cntl = GEN_INT_CNTL__SW_INT_EN; - radeon_ms_irq_restore(dev, state); -} - -irqreturn_t radeon_ms_irq_handler(DRM_IRQ_ARGS) -{ - struct drm_device *dev = (struct drm_device *)arg; - struct drm_radeon_private *dev_priv = dev->dev_private; - uint32_t status, mask; - - /* Only consider the bits we're interested in - others could be used - * outside the DRM - */ - mask = GEN_INT_STATUS__SW_INT | - GEN_INT_STATUS__CRTC_VBLANK_STAT | - GEN_INT_STATUS__CRTC2_VBLANK_STAT; - status = radeon_ack_irqs(dev_priv, mask); - if (!status) { - return IRQ_NONE; - } - - /* SW interrupt */ - if (GEN_INT_STATUS__SW_INT & status) { - r3xx_fence_handler(dev); - } - r3xx_fence_handler(dev); - return IRQ_HANDLED; -} - -void radeon_ms_irq_preinstall(struct drm_device * dev) -{ - struct drm_radeon_private *dev_priv = dev->dev_private; - struct radeon_state *state = &dev_priv->driver_state; - uint32_t mask; - - /* Disable *all* interrupts */ - state->gen_int_cntl = 0; - radeon_ms_irq_restore(dev, state); - - /* Clear bits if they're already high */ - mask = GEN_INT_STATUS__SW_INT | - GEN_INT_STATUS__CRTC_VBLANK_STAT | - GEN_INT_STATUS__CRTC2_VBLANK_STAT; - radeon_ack_irqs(dev_priv, mask); -} - -int radeon_ms_irq_postinstall(struct drm_device * dev) -{ - radeon_ms_irq_enable(dev); - return 0; -} - -int radeon_ms_irq_init(struct drm_device *dev) -{ - struct drm_radeon_private *dev_priv = dev->dev_private; - struct radeon_state *state = &dev_priv->driver_state; - - /* Disable *all* interrupts */ - state->gen_int_cntl = 0; - radeon_ms_irq_restore(dev, state); - return 0; -} - -void radeon_ms_irq_restore(struct drm_device *dev, struct radeon_state *state) -{ - struct drm_radeon_private *dev_priv = dev->dev_private; - - MMIO_W(GEN_INT_CNTL, state->gen_int_cntl); -} - -void radeon_ms_irq_save(struct drm_device *dev, struct radeon_state *state) -{ - struct drm_radeon_private *dev_priv = dev->dev_private; - - state->gen_int_cntl = MMIO_R(GEN_INT_CNTL); -} - -void radeon_ms_irq_uninstall(struct drm_device * dev) -{ - struct drm_radeon_private *dev_priv = dev->dev_private; - struct radeon_state *state = &dev_priv->driver_state; - - if (dev_priv == NULL) { - return; - } - - /* Disable *all* interrupts */ - state->gen_int_cntl = 0; - radeon_ms_irq_restore(dev, state); -} |