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AgeCommit message (Expand)Author
2000-05-07file fops.c was initially added on branch bsd-1-0-0-branch.Doug Rabson
2000-05-07file init.c was initially added on branch bsd-1-0-0-branch.Doug Rabson
2000-05-07file proc.c was initially added on branch bsd-1-0-0-branch.Doug Rabson
2000-05-07file lists.c was initially added on branch bsd-1-0-0-branch.Doug Rabson
2000-05-07file sysctl.c was initially added on branch bsd-1-0-0-branch.Doug Rabson
2000-05-07file context.c was initially added on branch bsd-1-0-0-branch.Doug Rabson
2000-05-07file ioctl.c was initially added on branch bsd-1-0-0-branch.Doug Rabson
2000-05-07file dma.c was initially added on branch bsd-1-0-0-branch.Doug Rabson
2000-05-07file bufs.c was initially added on branch bsd-1-0-0-branch.Doug Rabson
2000-05-07file auth.c was initially added on branch bsd-1-0-0-branch.Doug Rabson
2000-05-07file drawable.c was initially added on branch bsd-1-0-0-branch.Doug Rabson
2000-05-07file mga_drm.h was initially added on branch bsd-1-0-0-branch.Doug Rabson
2000-05-07file i810_drm.h was initially added on branch bsd-1-0-0-branch.Doug Rabson
2000-05-03file drmP.h was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file Makefile.bsd was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file Imakefile was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file drm.h was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file tdfx_drv.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file gamma_drv.h was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file gamma_drv.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file gamma_dma.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file auth.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file bufs.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file context.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file dma.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file drawable.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file drmstat.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file fops.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file init.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file ioctl.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file lists.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file lock.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file memory.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file proc.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file sysctl.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file tdfx_context.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file tdfx_drv.h was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-05-03file vm.c was initially added on branch bsd-1-0-0-branch.Brian Paul
2000-04-20Merged glxmisc-1-0-0Brian Paul
2000-04-15file r128_bufs.c was initially added on branch ati-4-0-1-branch.Kevin E Martin
2000-04-12file r128_dma.c was initially added on branch ati-4-0-1-branch.Kevin E Martin
2000-04-12file r128_drm.h was initially added on branch ati-4-0-1-branch.Kevin E Martin
2000-04-09Only enable DRI for 16bpp mode. Allow GL_BLEND if color is 0,0,0,1 WrapDaryll Strauss
2000-04-05Fixed reclaim OopsJeff Hartmann
2000-04-04Merged mga branch with trunkJeff Hartmann
2000-03-31file mga_drm.h was initially added on branch mga-0-0-2-branch.Jeff Hartmann
2000-03-31file i810_drm.h was initially added on branch mga-0-0-2-branch.Jeff Hartmann
2000-03-16Merge with 4.0Jeff Hartmann
2000-03-15Import of XFree86 4.0Jeff Hartmann
2000-02-223.9.18 mergeKevin E Martin
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-22 07:32:11 +0000
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/*
 * Copyright (C) 2006 Ben Skeggs.
 *
 * 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 THE COPYRIGHT OWNER(S) 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:
 *   Ben Skeggs <darktama@iinet.net.au>
 */

#include "drmP.h"
#include "drm.h"
#include "nouveau_drm.h"
#include "nouveau_drv.h"
#include "nouveau_reg.h"

void nouveau_irq_preinstall(drm_device_t *dev)
{
	drm_nouveau_private_t *dev_priv = dev->dev_private;

	DRM_DEBUG("IRQ: preinst\n");

	if (!dev_priv) {
		DRM_ERROR("AIII, no dev_priv\n");
		return;
	}
	if (!dev_priv->mmio) {
		DRM_ERROR("AIII, no dev_priv->mmio\n");
		return;
	}

	/* Disable/Clear PFIFO interrupts */
	NV_WRITE(NV03_PFIFO_INTR_EN_0, 0);
	NV_WRITE(NV03_PFIFO_INTR_0, 0xFFFFFFFF);
	/* Disable/Clear PGRAPH interrupts */
	if (dev_priv->card_type<NV_40)
		NV_WRITE(NV03_PGRAPH_INTR_EN, 0);
	else
		NV_WRITE(NV40_PGRAPH_INTR_EN, 0);
	NV_WRITE(NV03_PGRAPH_INTR, 0xFFFFFFFF);
#if 0
	/* Disable/Clear CRTC0/1 interrupts */
	NV_WRITE(NV_CRTC0_INTEN, 0);
	NV_WRITE(NV_CRTC0_INTSTAT, NV_CRTC_INTR_VBLANK);
	NV_WRITE(NV_CRTC1_INTEN, 0);
	NV_WRITE(NV_CRTC1_INTSTAT, NV_CRTC_INTR_VBLANK);
#endif
	/* Master disable */
	NV_WRITE(NV03_PMC_INTR_EN_0, 0);
}

void nouveau_irq_postinstall(drm_device_t *dev)
{
	drm_nouveau_private_t *dev_priv = dev->dev_private;

	if (!dev_priv) {
		DRM_ERROR("AIII, no dev_priv\n");
		return;
	}
	if (!dev_priv->mmio) {
		DRM_ERROR("AIII, no dev_priv->mmio\n");
		return;
	}

	DRM_DEBUG("IRQ: postinst\n");

	/* Enable PFIFO error reporting */
	NV_WRITE(NV03_PFIFO_INTR_EN_0 , 
			NV_PFIFO_INTR_CACHE_ERROR |
			NV_PFIFO_INTR_RUNOUT |
			NV_PFIFO_INTR_RUNOUT_OVERFLOW |
			NV_PFIFO_INTR_DMA_PUSHER |
			NV_PFIFO_INTR_DMA_PT |
			NV_PFIFO_INTR_SEMAPHORE |
			NV_PFIFO_INTR_ACQUIRE_TIMEOUT
			);
	NV_WRITE(NV03_PFIFO_INTR_0, 0xFFFFFFFF);

	/* Enable PGRAPH interrupts */
	if (dev_priv->card_type<NV_40)
		NV_WRITE(NV03_PGRAPH_INTR_EN,
				NV_PGRAPH_INTR_NOTIFY |
				NV_PGRAPH_INTR_MISSING_HW |
				NV_PGRAPH_INTR_CONTEXT_SWITCH |
				NV_PGRAPH_INTR_BUFFER_NOTIFY |
				NV_PGRAPH_INTR_ERROR
				);
	else
		NV_WRITE(NV40_PGRAPH_INTR_EN,
				NV_PGRAPH_INTR_NOTIFY |
				NV_PGRAPH_INTR_MISSING_HW |
				NV_PGRAPH_INTR_CONTEXT_SWITCH |
				NV_PGRAPH_INTR_BUFFER_NOTIFY |
				NV_PGRAPH_INTR_ERROR
				);
	NV_WRITE(NV03_PGRAPH_INTR, 0xFFFFFFFF);

#if 0
	/* Enable CRTC0/1 interrupts */
	NV_WRITE(NV_CRTC0_INTEN, NV_CRTC_INTR_VBLANK);
	NV_WRITE(NV_CRTC1_INTEN, NV_CRTC_INTR_VBLANK);
#endif

	/* Master enable */
	NV_WRITE(NV03_PMC_INTR_EN_0, NV_PMC_INTR_EN_0_MASTER_ENABLE);
}

void nouveau_irq_uninstall(drm_device_t *dev)
{
	drm_nouveau_private_t *dev_priv = dev->dev_private;

	if (!dev_priv) {
		DRM_ERROR("AIII, no dev_priv\n");
		return;
	}
	if (!dev_priv->mmio) {
		DRM_ERROR("AIII, no dev_priv->mmio\n");
		return;
	}

	DRM_DEBUG("IRQ: uninst\n");

	/* Disable PFIFO interrupts */
	NV_WRITE(NV03_PFIFO_INTR_EN_0, 0);
	/* Disable PGRAPH interrupts */
	if (dev_priv->card_type<NV_40)
		NV_WRITE(NV03_PGRAPH_INTR_EN, 0);
	else
		NV_WRITE(NV40_PGRAPH_INTR_EN, 0);
#if 0
	/* Disable CRTC0/1 interrupts */
	NV_WRITE(NV_CRTC0_INTEN, 0);
	NV_WRITE(NV_CRTC1_INTEN, 0);
#endif
	/* Master disable */
	NV_WRITE(NV03_PMC_INTR_EN_0, 0);
}

static void nouveau_fifo_irq_handler(drm_device_t *dev)
{
	uint32_t status, chmode, chstat, channel;
	drm_nouveau_private_t *dev_priv = dev->dev_private;

	status = NV_READ(NV03_PFIFO_INTR_0);
	if (!status)
		return;
	chmode = NV_READ(NV04_PFIFO_MODE);
	chstat = NV_READ(NV04_PFIFO_DMA);
	channel=NV_READ(NV03_PFIFO_CACHE1_PUSH1)&(nouveau_fifo_number(dev)-1);

	DRM_DEBUG("NV: PFIFO interrupt! Channel=%d, INTSTAT=0x%08x/MODE=0x%08x/PEND=0x%08x\n", channel, status, chmode, chstat);

	if (status & NV_PFIFO_INTR_CACHE_ERROR) {
		uint32_t c1get, c1method, c1data;

		DRM_ERROR("NV: PFIFO error interrupt\n");

		c1get = NV_READ(NV03_PFIFO_CACHE1_GET) >> 2;
		if (dev_priv->card_type < NV_40) {
			/* Untested, so it may not work.. */
			c1method = NV_READ(NV04_PFIFO_CACHE1_METHOD(c1get));
			c1data   = NV_READ(NV04_PFIFO_CACHE1_DATA(c1get));
		} else {
			c1method = NV_READ(NV40_PFIFO_CACHE1_METHOD(c1get));
			c1data   = NV_READ(NV40_PFIFO_CACHE1_DATA(c1get));
		}

		DRM_ERROR("NV: Channel %d/%d - Method 0x%04x, Data 0x%08x\n",
				channel, (c1method >> 13) & 7,
				c1method & 0x1ffc, c1data
			 );

		status &= ~NV_PFIFO_INTR_CACHE_ERROR;
		NV_WRITE(NV03_PFIFO_INTR_0, NV_PFIFO_INTR_CACHE_ERROR);
	}

	if (status & NV_PFIFO_INTR_DMA_PUSHER) {
		DRM_INFO("NV: PFIFO DMA pusher interrupt\n");

		status &= ~NV_PFIFO_INTR_DMA_PUSHER;
		NV_WRITE(NV03_PFIFO_INTR_0, NV_PFIFO_INTR_DMA_PUSHER);

		NV_WRITE(NV04_PFIFO_CACHE1_DMA_STATE, 0x00000000);
		if (NV_READ(NV04_PFIFO_CACHE1_DMA_PUT)!=NV_READ(NV04_PFIFO_CACHE1_DMA_GET))