summaryrefslogtreecommitdiff
path: root/linux-core/mga_drv.c
AgeCommit message (Expand)Author
2007-07-16drm: remove drmP.h internal typedefsDave Airlie
2006-10-20Bug #1746: Set dev_priv_size for the MGA driver.Tilman Sauerbeck
2006-10-14remove config.h from build no longer exists kbuild does itDave Airlie
2006-03-19fix issue in mga from kernelDave Airlie
2005-11-11cleanup ioctl/max_ioctl to use header file for extern symbolsDave Airlie
2005-10-11The Linux 2.6.9 (and earlier) fops structure does not contain aIan Romanick
2005-08-05Rename the driver hooks in the DRM to something a little moreEric Anholt
2005-06-29add mga and r128 32/64 bitsDave Airlie
2005-06-14Adds support for PCI cards to MGA DRMIan Romanick
2005-06-09Completely re-initialize DMA settingsIan Romanick
2005-05-27Modify drm_driver::device_is_agp to return a tri-state value to indicateIan Romanick
2005-05-21Change the MGA initialization and cleanup a bit. The dev_private structureIan Romanick
2005-05-16Added device_is_agp callback to drm_driver. This function is called by theIan Romanick
2004-11-09Fix more build problems on linux-coreJon Smirl
2004-11-06Convert more drivers for bsd-core, moving the ioctl definitions to sharedEric Anholt
2004-10-13Add a poll function that alternates between zero and normal poll return toJon Smirl
2004-10-12Breakout heads into their own data structures.Jon Smirl
2004-10-10Rename fn_tbl to driver. Core driver now uses pci_driver name whichJon Smirl
2004-09-30Lindent of core build. Drivers checked for no binary diffs. A few filesJon Smirl
2004-09-30Make fops per driver instead of global, remove default flush, poll, readJon Smirl
2004-09-27First check in for DRM that splits core from personality modulesJon Smirl
2004-09-231) switches from class_sysfs to drm sysfs implementation to allowJon Smirl
2004-08-24Merged drmfntbl-0-0-2Dave Airlie
2003-10-17- Move IRQ functions from drm_dma.h to new drm_irq.h and disentangle themEric Anholt
2003-06-19Revert the janitorial - that works is now on the new branchJose Fonseca
2003-06-03Split declarations/definitions in drm_scatter.h into drm_sg.h/drm_sg_tmp.hJose Fonseca
2002-07-05merged bsd-3-0-0-branchAlan Hourihane
2002-04-09Merged drmcommand-0-0-1Jens Owen
2001-07-23Fixes that allow the modules to be built into the kernelJeff Hartmann
2001-07-18Add module version name at a lower layer of the code, allows things to beJeff Hartmann
2001-07-16Added version string to the end of the kernel module name. This allowsJeff Hartmann
2001-03-21- Fix MGA header info.Gareth Hughes
2001-03-19Update version, date stamp.Gareth Hughes
2001-02-16- Clean up the way customization of the templates is done.Gareth Hughes
2001-02-15- Fix up merge.Gareth Hughes
2001-02-15Merge mga-1-0-0-branch into trunk.Gareth Hughes
2001-01-04Sync with Linux 2.4.0-prereleaseRik Faith
2000-12-30add blit ioctl, fix plnwt handlingKeith Whitwell
2000-11-15Sync with Linux 2.4.0-test11-pre5 Provide backward compatibility testedRik Faith
2000-09-29Audit calls to schedule() Remove tags from files shared with Linux kernelRik Faith
2000-09-28Fixed two things Rik pointed out in the last commitJeff Hartmann
2000-09-27Merged the mga-lock-debug-0-2-0-branch with the trunk. This includesJeff Hartmann
2000-09-24commit xfree86 4.0.1d-pre updateAlan Hourihane
2000-09-10Sync with 2.4.0-test8 kernel.Gareth Hughes
2000-09-06Sync with 2.4.0-test8-pre5 kernel.Gareth Hughes
2000-08-31Bump version number after kernel interface change.Keith Whitwell
2000-08-28Add compatibility header file to make Linux 2.4.0 kernel patches cleaner.Rik Faith
2000-08-26Sync with Linux 2.4.0-test7 Add signal blocking support to all driversRik Faith
2000-08-08Sync with Linux 2.4.0-test6-pre8Rik Faith
2000-08-04Sync with Linux 2.4.0-test6-pre2Rik Faith
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-12 23:36:13 +0000
class="hl kwa">if (irqs) RADEON_WRITE(RADEON_GEN_INT_STATUS, irqs); return irqs; } /* Interrupts - Used for device synchronization and flushing in the * following circumstances: * * - Exclusive FB access with hw idle: * - Wait for GUI Idle (?) interrupt, then do normal flush. * * - Frame throttling, NV_fence: * - Drop marker irq's into command stream ahead of time. * - Wait on irq's with lock *not held* * - Check each for termination condition * * - Internally in cp_getbuffer, etc: * - as above, but wait with lock held??? * * NOTE: These functions are misleadingly named -- the irq's aren't * tied to dma at all, this is just a hangover from dri prehistory. */ irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS) { struct drm_device *dev = (struct drm_device *) arg; drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; u32 stat; /* Only consider the bits we're interested in - others could be used * outside the DRM */ stat = radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK | RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT)); if (!stat) return IRQ_NONE; stat &= dev_priv->irq_enable_reg; /* SW interrupt */ if (stat & RADEON_SW_INT_TEST) { DRM_WAKEUP(&dev_priv->swi_queue); } /* VBLANK interrupt */ if (stat & (RADEON_CRTC_VBLANK_STAT|RADEON_CRTC2_VBLANK_STAT)) { int vblank_crtc = dev_priv->vblank_crtc; if ((vblank_crtc & (DRM_RADEON_VBLANK_CRTC1 | DRM_RADEON_VBLANK_CRTC2)) == (DRM_RADEON_VBLANK_CRTC1 | DRM_RADEON_VBLANK_CRTC2)) { if (stat & RADEON_CRTC_VBLANK_STAT) atomic_inc(&dev->vbl_received); if (stat & RADEON_CRTC2_VBLANK_STAT) atomic_inc(&dev->vbl_received2); } else if (((stat & RADEON_CRTC_VBLANK_STAT) && (vblank_crtc & DRM_RADEON_VBLANK_CRTC1)) || ((stat & RADEON_CRTC2_VBLANK_STAT) && (vblank_crtc & DRM_RADEON_VBLANK_CRTC2))) atomic_inc(&dev->vbl_received); DRM_WAKEUP(&dev->vbl_queue); drm_vbl_send_signals(dev); } return IRQ_HANDLED; } static int radeon_emit_irq(struct drm_device * dev) { drm_radeon_private_t *dev_priv = dev->dev_private; unsigned int ret; RING_LOCALS; atomic_inc(&dev_priv->swi_emitted); ret = atomic_read(&dev_priv->swi_emitted); BEGIN_RING(4); OUT_RING_REG(RADEON_LAST_SWI_REG, ret); OUT_RING_REG(RADEON_GEN_INT_STATUS, RADEON_SW_INT_FIRE); ADVANCE_RING(); COMMIT_RING(); return ret; } static int radeon_wait_irq(struct drm_device * dev, int swi_nr) { drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; int ret = 0; if (RADEON_READ(RADEON_LAST_SWI_REG) >= swi_nr) return 0; dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; DRM_WAIT_ON(ret, dev_priv->swi_queue, 3 * DRM_HZ, RADEON_READ(RADEON_LAST_SWI_REG) >= swi_nr); return ret; } static int radeon_driver_vblank_do_wait(struct drm_device * dev, unsigned int *sequence, int crtc) { drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; unsigned int cur_vblank; int ret = 0; int ack = 0; atomic_t *counter; if (!dev_priv) { DRM_ERROR("%s called with no initialization\n", __FUNCTION__); return -EINVAL; } if (crtc == DRM_RADEON_VBLANK_CRTC1) { counter = &dev->vbl_received; ack |= RADEON_CRTC_VBLANK_STAT; } else if (crtc == DRM_RADEON_VBLANK_CRTC2) { counter = &dev->vbl_received2; ack |= RADEON_CRTC2_VBLANK_STAT; } else return -EINVAL; radeon_acknowledge_irqs(dev_priv, ack); dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; /* Assume that the user has missed the current sequence number * by about a day rather than she wants to wait for years * using vertical blanks... */ DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ, (((cur_vblank = atomic_read(counter)) - *sequence) <= (1 << 23))); *sequence = cur_vblank; return ret; } int radeon_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence) { return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC1); } int radeon_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence) { return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC2); } /* Needs the lock as it touches the ring. */ int radeon_irq_emit(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_radeon_private_t *dev_priv = dev->dev_private; drm_radeon_irq_emit_t *emit = data; int result; LOCK_TEST_WITH_RETURN(dev, file_priv); if (!dev_priv) { DRM_ERROR("%s called with no initialization\n", __FUNCTION__); return -EINVAL; } result = radeon_emit_irq(dev); if (DRM_COPY_TO_USER(emit->irq_seq, &result, sizeof(int))) { DRM_ERROR("copy_to_user\n"); return -EFAULT; } return 0; } /* Doesn't need the hardware lock. */ int radeon_irq_wait(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_radeon_private_t *dev_priv = dev->dev_private; drm_radeon_irq_wait_t *irqwait = data; if (!dev_priv) { DRM_ERROR("%s called with no initialization\n", __FUNCTION__); return -EINVAL; } return radeon_wait_irq(dev, irqwait->irq_seq); } static void radeon_enable_interrupt(struct drm_device *dev) { drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; dev_priv->irq_enable_reg = RADEON_SW_INT_ENABLE; if (dev_priv->vblank_crtc & DRM_RADEON_VBLANK_CRTC1) dev_priv->irq_enable_reg |= RADEON_CRTC_VBLANK_MASK; if (dev_priv->vblank_crtc & DRM_RADEON_VBLANK_CRTC2) dev_priv->irq_enable_reg |= RADEON_CRTC2_VBLANK_MASK; RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); dev_priv->irq_enabled = 1; } /* drm_dma.h hooks */ void radeon_driver_irq_preinstall(struct drm_device * dev) { drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; /* Disable *all* interrupts */ RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); /* Clear bits if they're already high */ radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK | RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT)); } void radeon_driver_irq_postinstall(struct drm_device * dev) { drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; atomic_set(&dev_priv->swi_emitted, 0); DRM_INIT_WAITQUEUE(&dev_priv->swi_queue); radeon_enable_interrupt(dev); } void radeon_driver_irq_uninstall(struct drm_device * dev) { drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; if (!dev_priv) return; dev_priv->irq_enabled = 0; /* Disable *all* interrupts */ RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); } int radeon_vblank_crtc_get(struct drm_device *dev) { drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; u32 flag; u32 value; flag = RADEON_READ(RADEON_GEN_INT_CNTL); value = 0; if (flag & RADEON_CRTC_VBLANK_MASK) value |= DRM_RADEON_VBLANK_CRTC1; if (flag & RADEON_CRTC2_VBLANK_MASK) value |= DRM_RADEON_VBLANK_CRTC2; return value; } int radeon_vblank_crtc_set(struct drm_device *dev, int64_t value) { drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; if (value & ~(DRM_RADEON_VBLANK_CRTC1 | DRM_RADEON_VBLANK_CRTC2)) { DRM_ERROR("called with invalid crtc 0x%x\n", (unsigned int)value); return -EINVAL; } dev_priv->vblank_crtc = (unsigned int)value; radeon_enable_interrupt(dev); return 0; }
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-12 23:36:11 +0000