index : renesas/drm.git	android live master
	libdrm, cloned from git://anongit.freedesktop.org/mesa/drm	Laurent Pinchart

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log msg author committer range

path: root/bsd/drmP.h

Age	Commit message (Expand)	Author
2004-05-09	drm_hw_lock_t is now defined in drm.h, remove from here.	Eric Anholt
2003-12-16	Don't ioremap the framebuffer area. The ioremapped area wasn't used by	Eric Anholt
2003-11-05	- Tie the DRM to a specific device: setunique no longer succeeds when given	Eric Anholt
2003-11-05	Remove buf_alloc which is unused since the locking commit.	Eric Anholt
2003-11-04	Memory layout transition:	Michel Daenzer
2003-10-23	- Introduce a new ioctl, DRM_IOCTL_SET_VERSION. This ioctl allows the	Eric Anholt
2003-10-20	Clean up BSD MTRR handling. The NetBSD code is untested, but it's my best	Eric Anholt
2003-10-19	- SMPng lock the DRM. This is only partial -- there are a few code paths	Eric Anholt
2003-10-17	- Move IRQ functions from drm_dma.h to new drm_irq.h and disentangle them	Eric Anholt
2003-10-17	- Converted Linux drivers to initialize DRM instances based on PCI IDs, not	Eric Anholt
2003-10-02	Axe more old gamma DMA infrastructure.	Eric Anholt
2003-08-29	Add DRM(calloc), which is convenient, used by the new sis code, and takes	Eric Anholt
2003-08-19	- Remove $FreeBSD$ tags as they weren't too useful and merges are now being	Eric Anholt
2003-07-29	IRQ code cleanup suggested by Linus Torvalds	Michel Daenzer
2003-07-25	Compile fixes for recent 2.5/2.6 Linux kernels. I hope this doesn't break	Michel Daenzer
2003-05-16	Support AGP bridges where the AGP aperture can't be accessed directly by	Michel Daenzer
2003-04-26	Add PCI DMA memory functions and make addbufs_pci and associated code use	Eric Anholt
2003-04-26	Move the memory functions with debugging info to drm_memory_debug.h, and	Eric Anholt
2003-04-25	Merge from FreeBSD-current.	Eric Anholt
2003-04-24	Remove more gamma DMA infrastructure. Most of this code was copied straight	Eric Anholt
2003-04-24	Remove more gamma DMA code. This isn't all of it, but it's a major portion.	Eric Anholt
2003-04-24	Move some common code from addbufs_<type> to addbufs. Make buf_alloc be	Eric Anholt
2003-04-24	Remove the ioctl_count variable from the device. A reference is held to the	Eric Anholt
2003-04-24	Remove a bunch of dead code and fix spelling of a couple of comments.	Eric Anholt
2003-04-24	Move one definition to drm_drv.h and remove the rest of drm_init.h which	Eric Anholt
2003-04-24	Remove DRM_DMA_HISTOGRAM and associated code.	Eric Anholt
2003-04-24	Make DRM(read) and DRM(poll) stubs and remove DRM(write) and	Eric Anholt
2003-03-29	Remove dead vma code and remove the unused devstate struct definition.	Eric Anholt
2003-03-29	Add DRMFILE definitions and supply filp for BSD in the	Eric Anholt
2003-03-11	Merge back from FreeBSD-current, adding FreeBSD ID tags to aid future	Eric Anholt
2003-03-06	Remove the vbl signal code because it's untested (and has lock issues on	Eric Anholt
2003-02-21	Merge from bsd-4-0-0-branch.	Eric Anholt
2002-12-06	Add vblank signal code for BSD DRM. Untested so far, but working with a	Eric Anholt
2002-10-29	Use bus_alloc_resource/bus_release_resource more properly: save the rid	Eric Anholt
2002-09-26	BSD vblank framework.	Eric Anholt
2002-07-05	merged bsd-3-0-0-branch	Alan Hourihane
2002-03-06	first pass at merging mesa 4.0 kernel drivers into new bsd-3-0-0 branch.	Alan Hourihane
2002-01-27	First pass merge of XFree86 4.2.0 import.	David Dawes
2001-04-09	First pass of XFree86 4.0.99.2 merge.	David Dawes
2000-07-10	Import of XFree86 4.0.1	Alan Hourihane
2000-06-13	Merged bsd-1-0-1	Doug Rabson
2000-05-30	Merged bsd-1-0-0	Doug Rabson

generated by cgit v1.2.3 (git 2.25.1) at 2025-12-21 03:22:02 +0000

/*
 * \file xf86drmMode.c
 * Header for DRM modesetting interface.
 *
 * \author Jakob Bornecrantz <wallbraker@gmail.com>
 *
 * \par Acknowledgements:
 * Feb 2007, Dave Airlie <airlied@linux.ie>
 */

/*
 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas.
 * Copyright (c) 2007-2008 Dave Airlie <airlied@linux.ie>
 * Copyright (c) 2007-2008 Jakob Bornecrantz <wallbraker@gmail.com>
 *
 * 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
 * AUTHORS OR COPYRIGHT HOLDERS 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.
 *
 */

/*
 * TODO the types we are after are defined in diffrent headers on diffrent
 * platforms find which headers to include to get uint32_t
 */
#include <stdint.h>
#include <sys/ioctl.h>
#include <stdio.h>

#include "xf86drmMode.h"
#include "xf86drm.h"
#include <drm.h>
#include <string.h>
#include <dirent.h>
#include <unistd.h>
#include <errno.h>

#define U642VOID(x) ((void *)(unsigned long)(x))
#define VOID2U64(x) ((uint64_t)(unsigned long)(x))

static inline int DRM_IOCTL(int fd, unsigned long cmd, void *arg)
{
	int ret = drmIoctl(fd, cmd, arg);
	return ret < 0 ? -errno : ret;
}

/*
 * Util functions
 */

void* drmAllocCpy(void *array, int count, int entry_size)
{
	char *r;
	int i;

	if (!count || !array || !entry_size)
		return 0;

	if (!(r = drmMalloc(count*entry_size)))
		return 0;

	for (i = 0; i < count; i++)
		memcpy(r+(entry_size*i), array+(entry_size*i), entry_size);

	return r;
}

/*
 * A couple of free functions.
 */

void drmModeFreeModeInfo(drmModeModeInfoPtr ptr)
{
	if (!ptr)
		return;

	drmFree(ptr);
}

void drmModeFreeResources(drmModeResPtr ptr)
{
	if (!ptr)
		return;

	drmFree(ptr->fbs);
	drmFree(ptr->crtcs);
	drmFree(ptr->connectors);
	drmFree(ptr->encoders);
	drmFree(ptr);

}

void drmModeFreeFB(drmModeFBPtr ptr)
{
	if (!ptr)
		return;

	/* we might add more frees later. */
	drmFree(ptr);
}

void drmModeFreeCrtc(drmModeCrtcPtr ptr)
{
	if (!ptr)
		return;

	drmFree(ptr);

}

void drmModeFreeConnector(drmModeConnectorPtr ptr)
{
	if (!ptr)
		return;

	drmFree(ptr->encoders);
	drmFree(ptr->prop_values);
	drmFree(ptr->props);
	drmFree(ptr->modes);
	drmFree(ptr);

}

void drmModeFreeEncoder(drmModeEncoderPtr ptr)
{
	drmFree(ptr);
}

/*
 * ModeSetting functions.
 */

drmModeResPtr drmModeGetResources(int fd)
{
	struct drm_mode_card_res res, counts;
	drmModeResPtr r = 0;

retry:
	memset(&res, 0, sizeof(struct drm_mode_card_res));
	if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res))
		return 0;

	counts = res;

	if (res.count_fbs) {
		res.fb_id_ptr = VOID2U64(drmMalloc(res.count_fbs*sizeof(uint32_t)));
		if (!res.fb_id_ptr)
			goto err_allocs;
	}
	if (res.count_crtcs) {
		res.crtc_id_ptr = VOID2U64(drmMalloc(res.count_crtcs*sizeof(uint32_t)));
		if (!res.crtc_id_ptr)
			goto err_allocs;
	}
	if (res.count_connectors) {
		res.connector_id_ptr = VOID2U64(drmMalloc(res.count_connectors*sizeof(uint32_t)));
		if (!res.connector_id_ptr)
			goto err_allocs;
	}
	if (res.count_encoders) {
		res.encoder_id_ptr = VOID2U64(drmMalloc(res.count_encoders*sizeof(uint32_t)));
		if (!res.encoder_id_ptr)
			goto err_allocs;
	}

	if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res))
		goto err_allocs;

	/* The number of available connectors and etc may have changed with a
	 * hotplug event in between the ioctls, in which case the field is
	 * silently ignored by the kernel.
	 */
	if (counts.count_fbs < res.count_fbs ||
	    counts.count_crtcs < res.count_crtcs ||
	    counts.count_connectors < res.count_connectors ||
	    counts.count_encoders < res.count_encoders)
	{
		drmFree(U642VOID(res.fb_id_ptr));
		drmFree(U642VOID(res.crtc_id_ptr));
		drmFree(U642VOID(res.connector_id_ptr));
		drmFree(U642VOID(res.encoder_id_ptr));

		goto retry;
	}

	/*
	 * return
	 */
	if (!(r = drmMalloc(sizeof(*r))))
		goto err_allocs;

	r->min_width     = res.min_width;
	r->max_width     = res.max_width;
	r->min_height    = res.min_height;
	r->max_height    = res.max_height;
	r->count_fbs     = res.count_fbs;
	r->count_crtcs   = res.count_crtcs;
	r->count_connectors = res.count_connectors;
	r->count_encoders = res.count_encoders;

	r->fbs        = drmAllocCpy(U642VOID(res.fb_id_ptr), res.count_fbs, sizeof(uint32_t));
	r->crtcs      = drmAllocCpy(U642VOID(res.crtc_id_ptr), res.count_crtcs, sizeof(uint32_t));
	r->connectors = drmAllocCpy(U642VOID(res.connector_id_ptr), res.count_connectors, sizeof(uint32_t));
	r->encoders   = drmAllocCpy(U642VOID(res.encoder_id_ptr), res.count_encoders, sizeof(uint32_t));
	if ((res.count_fbs && !r->fbs) ||
	    (res.count_crtcs && !r->crtcs) ||
	    (res.count_connectors && !r->connectors) ||
	    (res.count_encoders && !r->encoders))
	{
		drmFree(r->fbs);
		drmFree(r->crtcs);
		drmFree(r->connectors);
		drmFree(r->encoders);
		drmFree(r);
		r = 0;
	}

err_allocs:
	drmFree(U642VOID(res.fb_id_ptr));
	drmFree(U642VOID(res.crtc_id_ptr));
	drmFree(U642VOID(res.connector_id_ptr));
	drmFree(U642VOID(res.encoder_id_ptr));

	return r;
}

int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth,
                 uint8_t bpp, uint32_t pitch, uint32_t bo_handle,
		 uint32_t *buf_id)
{
	struct drm_mode_fb_cmd f;
	int ret;

	f.width  = width;
	f.height = height;
	f.pitch  = pitch;
	f.bpp    = bpp;
	f.depth  = depth;
	f.handle = bo_handle;

	if ((ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ADDFB, &f)))
		return ret;

	*buf_id = f.fb_id;
	return 0;
}

int drmModeAddFB2(int fd, uint32_t width, uint32_t height,
		  uint32_t pixel_format, uint32_t bo_handles[4],
		  uint32_t pitches[4], uint32_t offsets[4],
		  uint32_t *buf_id, uint32_t flags)
{
	struct drm_mode_fb_cmd2 f;
	int ret;

	f.width  = width;
	f.height = height;
	f.pixel_format = pixel_format;
	f.flags = flags;
	memcpy(f.handles, bo_handles, 4 * sizeof(bo_handles[0]));
	memcpy(f.pitches, pitches, 4 * sizeof(pitches[0]));
	memcpy(f.offsets, offsets, 4 * sizeof(offsets[0]));

	if ((ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ADDFB2, &f)))
		return ret;

	*buf_id = f.fb_id;
	return 0;
}

int drmModeRmFB(int fd, uint32_t bufferId)
{
	return DRM_IOCTL(fd, DRM_IOCTL_MODE_RMFB, &bufferId);


}

drmModeFBPtr drmModeGetFB(int fd, uint32_t buf)
{
	struct drm_mode_fb_cmd info;
	drmModeFBPtr r;

	info.fb_id = buf;

	if (drmIoctl(fd, DRM_IOCTL_MODE_GETFB, &info))
		return NULL;

	if (!(r = drmMalloc(sizeof(*r))))
		return NULL;

	r->fb_id = info.fb_id;
	r->width = info.width;
	r->height = info.height;
	r->pitch = info.pitch;
	r->bpp = info.bpp;
	r->handle = info.handle;
	r->depth = info.depth;

	return r;
}

int drmModeDirtyFB(int fd, uint32_t bufferId,
		   drmModeClipPtr clips, uint32_t num_clips)
{
	struct drm_mode_fb_dirty_cmd dirty = { 0 };

	dirty.fb_id = bufferId;
	dirty.clips_ptr = VOID2U64(clips);
	dirty.num_clips = num_clips;

	return DRM_IOCTL(fd, DRM_IOCTL_MODE_DIRTYFB, &dirty);
}


/*
 * Crtc functions
 */

drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId)
{
	struct drm_mode_crtc crtc;
	drmModeCrtcPtr r;

	crtc.crtc_id = crtcId;

	if (drmIoctl(fd, DRM_IOCTL_MODE_GETCRTC, &crtc))
		return 0;

	/*
	 * return
	 */

	if (!(r = drmMalloc(sizeof(*r))))
		return 0;

	r->crtc_id         = crtc.crtc_id;
	r->x               = crtc.x;
	r->y               = crtc.y;
	r->mode_valid      = crtc.mode_valid;
	if (r->mode_valid) {
		memcpy(&r->mode, &crtc.mode, sizeof(struct drm_mode_modeinfo));
		r->width = crtc.mode.hdisplay;
		r->height = crtc.mode.vdisplay;
	}
	r->buffer_id       = crtc.fb_id;
	r->gamma_size      = crtc.gamma_size;
	return r;
}


int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId,
                   uint32_t x, uint32_t y, uint32_t *connectors, int count,
		   drmModeModeInfoPtr mode)
{
	struct drm_mode_crtc crtc;

	crtc.x             = x;
	crtc.y             = y;
	crtc.crtc_id       = crtcId;
	crtc.fb_id         = bufferId;
	crtc.set_connectors_ptr = VOID2U64(connectors);
	crtc.count_connectors = count;
	if (mode) {
	  memcpy(&crtc.mode, mode, sizeof(struct drm_mode_modeinfo));
	  crtc.mode_valid = 1;
	} else
	  crtc.mode_valid = 0;

	return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETCRTC, &crtc);
}

/*
 * Cursor manipulation
 */

int drmModeSetCursor(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height)
{
	struct drm_mode_cursor arg;

	arg.flags = DRM_MODE_CURSOR_BO;
	arg.crtc_id = crtcId;
	arg.width = width;
	arg.height = height;
	arg.handle = bo_handle;

	return DRM_IOCTL(fd, DRM_IOCTL_MODE_CURSOR, &arg);
}

int drmModeMoveCursor(int fd, uint32_t crtcId, int x, int y)
{
	struct drm_mode_cursor arg;

	arg.flags = DRM_MODE_CURSOR_MOVE;
	arg.crtc_id = crtcId;
	arg.x = x;
	arg.y = y;

	return DRM_IOCTL(fd, DRM_IOCTL_MODE_CURSOR, &arg);
}

/*
 * Encoder get
 */
drmModeEncoderPtr drmModeGetEncoder(int fd, uint32_t encoder_id)
{
	struct drm_mode_get_encoder enc;
	drmModeEncoderPtr r = NULL;

	enc.encoder_id = encoder_id;
	enc.encoder_type = 0;
	enc.possible_crtcs = 0;
	enc.possible_clones = 0;

	if (drmIoctl(fd, DRM_IOCTL_MODE_GETENCODER, &enc))
		return 0;

	if (!(r = drmMalloc(sizeof(*r))))
		return 0;

	r->encoder_id = enc.encoder_id;
	r->crtc_id = enc.crtc_id;
	r->encoder_type = enc.encoder_type;
	r->possible_crtcs = enc.possible_crtcs;
	r->possible_clones = enc.possible_clones;

	return r;
}

/*
 * Connector manipulation
 */

drmModeConnectorPtr drmModeGetConnector(int fd, uint32_t connector_id)
{
	struct drm_mode_get_connector conn, counts;
	drmModeConnectorPtr r = NULL;

retry:
	memset(&conn, 0, sizeof(struct drm_mode_get_connector));
	conn.connector_id = connector_id;

	if (drmIoctl(fd, DRM_IOCTL_MODE_GETCONNECTOR, &conn))
		return 0;

	counts = conn;

	if (conn.count_props) {
		conn.props_ptr = VOID2U64(drmMalloc(conn.count_props*sizeof(uint32_t)));
		if (!conn.props_ptr)
			goto err_allocs;
		conn.prop_values_ptr = VOID2U64(drmMalloc(conn.count_props*sizeof(uint64_t)));
		if (!conn.prop_values_ptr)
			goto err_allocs;
	}

	if (conn.count_modes) {
		conn.modes_ptr = VOID2U64(drmMalloc(conn.count_modes*sizeof(struct drm_mode_modeinfo)));
		if (!conn.modes_ptr)
			goto err_allocs;
	}

	if (conn.count_encoders) {
		conn.encoders_ptr = VOID2U64(drmMalloc(conn.count_encoders*sizeof(uint32_t)));
		if (!conn.encoders_ptr)
			goto err_allocs;
	}

	if (drmIoctl(fd, DRM_IOCTL_MODE_GETCONNECTOR, &conn))
		goto err_allocs;

	/* The number of available connectors and etc may have changed with a
	 * hotplug event in between the ioctls, in which case the field is
	 * silently ignored by the kernel.
	 */
	if (counts.count_props < conn.count_props ||
	    counts.count_modes < conn.count_modes ||
	    counts.count_encoders < conn.count_encoders) {
		drmFree(U642VOID(conn.props_ptr));
		drmFree(U642VOID(conn.prop_values_ptr));
		drmFree(U642VOID(conn.modes_ptr));
		drmFree(U642VOID(conn.encoders_ptr));