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2008-06-02drm: add functions to get/set gamma rampsDave Airlie
2008-06-02drm: fixup some interfaces so test code works againDave Airlie
2008-05-30modesetting: drop crtcs/clones from the connectorsDave Airlie
2008-05-30modesetting: the great renaming.Dave Airlie
Okay we have crtc, encoder and connectors. No more outputs exposed beyond driver internals I've broken intel tv connector stuff. Really for TV we should have one TV connector, with a sub property for the type of signal been driven over it
2008-05-30tests: add basic encoder reading to testDave Airlie
2008-05-09Fix build problemsAlan Hourihane
2008-05-09Fix test applications for recent DRM changesAlan Hourihane
2008-02-29drm: change fb api to take a bo handle not the bo pointer.Dave Airlie
2008-02-13Revert "After the previous revert fix libdrm to start at minor 1"Dave Airlie
This reverts commit f51dc37d75b0b1b8e5636f8f2c201e29986517ea. Conflicts: tests/modedemo/demo.c
2008-02-07After the previous revert fix libdrm to start at minor 1Alan Hourihane
and fixup the demos
2008-02-05make modefb/modedemo match each others test output.Alan Hourihane
2008-01-11Added fixed misc framebuffer problemsJakob Bornecrantz
2008-01-10Updated test mode and added modedemoJakob Bornecrantz
2007-12-18remove output namesDave Airlie
2007-12-11modesetting: fixup property setting and add connector propertyDave Airlie
2007-12-11modesetting: add dpms property and initial settable property ioctlDave Airlie
2007-12-06add property blobs and edid reporting supportDave Airlie
2007-12-05arrgggh.. make all ioctl structs 32/64-bit compatible hopefully.Dave Airlie
This also starts to add blob property support. someone needs to check this work for other things like ppc/x86 alignment diffs
2007-12-03finish of mode add/remove, just have attach/detach modesDave Airlie
2007-12-03modesetting API change for removing mode ids and making modes per output.Dave Airlie
so really want to get a list of modes per output not the global hammer list. also we remove the mode ids and let the user pass back the full mode description need to fix up add/remove mode for user modes now
2007-11-27drm/modesetting: add initial gettable properites code.Dave Airlie
This allow the user to retrieve a list of properties for an output. Properties can either be 32-bit values or an enum with an associated name. Range properties are to be supported. This API is probably not all correct, I may make properties part of the general resource get when I think about it some more. So basically you can create properties and attached them to whatever outputs you want, so it should be possible to create some generics and just attach them to every output.
2007-11-15tests: update for new drm interfaceDave Airlie
2007-09-24Added small modesetting testJakob Bornecrantz
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-23 11:17:53 +0000
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/* radeon_irq.c -- IRQ handling for radeon -*- linux-c -*- */
/*
 * Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
 *
 * The Weather Channel (TM) funded Tungsten Graphics to develop the
 * initial release of the Radeon 8500 driver under the XFree86 license.
 * This notice must be preserved.
 *
 * 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:
 *    Keith Whitwell <keith@tungstengraphics.com>
 *    Michel D�zer <michel@daenzer.net>
 */

#include "drmP.h"
#include "drm.h"
#include "radeon_drm.h"
#include "radeon_drv.h"

static __inline__ u32 radeon_acknowledge_irqs(drm_radeon_private_t * dev_priv,
					      u32 mask)
{
	u32 irqs = RADEON_READ(RADEON_GEN_INT_STATUS) & mask;
	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 2025-12-23 11:17:53 +0000