1 // SPDX-License-Identifier: GPL-2.0 OR MIT
4  * Copyright 2009-2014 VMware, Inc., Palo Alto, CA., USA
20  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
59 	return dev_priv ? dev_priv->overlay_priv : NULL;  in vmw_overlay()
75 	header->cmd = SVGA_CMD_ESCAPE;  in fill_escape()
76 	header->body.nsid = SVGA_ESCAPE_NSID_VMWARE;  in fill_escape()
77 	header->body.size = size;  in fill_escape()
83 	fill_escape(&cmd->escape, sizeof(cmd->flush));  in fill_flush()
84 	cmd->flush.cmdType = SVGA_ESCAPE_VMWARE_VIDEO_FLUSH;  in fill_flush()
85 	cmd->flush.streamId = stream_id;  in fill_flush()
92  * -ERESTARTSYS if interrupted by a signal.
101 	bool have_so = (dev_priv->active_display_unit == vmw_du_screen_object);  in vmw_overlay_send_put()
128 		return -ENOMEM;  in vmw_overlay_send_put()
134 	fill_escape(&cmds->escape, sizeof(*items) * (num_items + 1));  in vmw_overlay_send_put()
136 	cmds->header.cmdType = SVGA_ESCAPE_VMWARE_VIDEO_SET_REGS;  in vmw_overlay_send_put()
137 	cmds->header.streamId = arg->stream_id;  in vmw_overlay_send_put()
143 	vmw_bo_get_guest_ptr(&buf->base, &ptr);  in vmw_overlay_send_put()
144 	ptr.offset += arg->offset;  in vmw_overlay_send_put()
147 	items[SVGA_VIDEO_FLAGS].value       = arg->flags;  in vmw_overlay_send_put()
149 	items[SVGA_VIDEO_FORMAT].value      = arg->format;  in vmw_overlay_send_put()
150 	items[SVGA_VIDEO_COLORKEY].value    = arg->color_key;  in vmw_overlay_send_put()
151 	items[SVGA_VIDEO_SIZE].value        = arg->size;  in vmw_overlay_send_put()
152 	items[SVGA_VIDEO_WIDTH].value       = arg->width;  in vmw_overlay_send_put()
153 	items[SVGA_VIDEO_HEIGHT].value      = arg->height;  in vmw_overlay_send_put()
154 	items[SVGA_VIDEO_SRC_X].value       = arg->src.x;  in vmw_overlay_send_put()
155 	items[SVGA_VIDEO_SRC_Y].value       = arg->src.y;  in vmw_overlay_send_put()
156 	items[SVGA_VIDEO_SRC_WIDTH].value   = arg->src.w;  in vmw_overlay_send_put()
157 	items[SVGA_VIDEO_SRC_HEIGHT].value  = arg->src.h;  in vmw_overlay_send_put()
158 	items[SVGA_VIDEO_DST_X].value       = arg->dst.x;  in vmw_overlay_send_put()
159 	items[SVGA_VIDEO_DST_Y].value       = arg->dst.y;  in vmw_overlay_send_put()
160 	items[SVGA_VIDEO_DST_WIDTH].value   = arg->dst.w;  in vmw_overlay_send_put()
161 	items[SVGA_VIDEO_DST_HEIGHT].value  = arg->dst.h;  in vmw_overlay_send_put()
162 	items[SVGA_VIDEO_PITCH_1].value     = arg->pitch[0];  in vmw_overlay_send_put()
163 	items[SVGA_VIDEO_PITCH_2].value     = arg->pitch[1];  in vmw_overlay_send_put()
164 	items[SVGA_VIDEO_PITCH_3].value     = arg->pitch[2];  in vmw_overlay_send_put()
170 	fill_flush(flush, arg->stream_id);  in vmw_overlay_send_put()
181  * -ERESTARTSYS if interrupted by a signal.
201 		if (interruptible && ret == -ERESTARTSYS)  in vmw_overlay_send_stop()
207 	fill_escape(&cmds->escape, sizeof(cmds->body));  in vmw_overlay_send_stop()
208 	cmds->body.header.cmdType = SVGA_ESCAPE_VMWARE_VIDEO_SET_REGS;  in vmw_overlay_send_stop()
209 	cmds->body.header.streamId = stream_id;  in vmw_overlay_send_stop()
210 	cmds->body.items[0].registerId = SVGA_VIDEO_ENABLED;  in vmw_overlay_send_stop()
211 	cmds->body.items[0].value = false;  in vmw_overlay_send_stop()
212 	fill_flush(&cmds->flush, stream_id);  in vmw_overlay_send_stop()
227 				   bool pin, bool inter)  in vmw_overlay_move_buffer()  argument
230 		return vmw_bo_unpin(dev_priv, buf, inter);  in vmw_overlay_move_buffer()
232 	if (dev_priv->active_display_unit == vmw_du_legacy)  in vmw_overlay_move_buffer()
233 		return vmw_bo_pin_in_vram(dev_priv, buf, inter);  in vmw_overlay_move_buffer()
235 	return vmw_bo_pin_in_vram_or_gmr(dev_priv, buf, inter);  in vmw_overlay_move_buffer()
254 	struct vmw_overlay *overlay = dev_priv->overlay_priv;  in vmw_overlay_stop()
255 	struct vmw_stream *stream = &overlay->stream[stream_id];  in vmw_overlay_stop()
259 	if (!stream->buf)  in vmw_overlay_stop()
263 	if (!stream->paused) {  in vmw_overlay_stop()
269 		/* We just remove the NO_EVICT flag so no -ENOMEM */  in vmw_overlay_stop()
270 		ret = vmw_overlay_move_buffer(dev_priv, stream->buf, false,  in vmw_overlay_stop()
272 		if (interruptible && ret == -ERESTARTSYS)  in vmw_overlay_stop()
279 		vmw_bo_unreference(&stream->buf);  in vmw_overlay_stop()
280 		stream->paused = false;  in vmw_overlay_stop()
282 		stream->paused = true;  in vmw_overlay_stop()
294  * -ENOMEM if buffer doesn't fit in vram.
295  * -ERESTARTSYS if interrupted.
302 	struct vmw_overlay *overlay = dev_priv->overlay_priv;  in vmw_overlay_update_stream()
303 	struct vmw_stream *stream = &overlay->stream[arg->stream_id];  in vmw_overlay_update_stream()
307 		return -EINVAL;  in vmw_overlay_update_stream()
310 		  stream->buf, buf, stream->paused ? "" : "not ");  in vmw_overlay_update_stream()
312 	if (stream->buf != buf) {  in vmw_overlay_update_stream()
313 		ret = vmw_overlay_stop(dev_priv, arg->stream_id,  in vmw_overlay_update_stream()
317 	} else if (!stream->paused) {  in vmw_overlay_update_stream()
323 			stream->saved = *arg;  in vmw_overlay_update_stream()
331 	 * Might return -ENOMEM if it can't fit the buffer in vram.  in vmw_overlay_update_stream()
340 		 * the NO_EVICT flag so this is safe from -ENOMEM.  in vmw_overlay_update_stream()
347 	if (stream->buf != buf)  in vmw_overlay_update_stream()
348 		stream->buf = vmw_bo_reference(buf);  in vmw_overlay_update_stream()
349 	stream->saved = *arg;  in vmw_overlay_update_stream()
351 	stream->paused = false;  in vmw_overlay_update_stream()
365 	struct vmw_overlay *overlay = dev_priv->overlay_priv;  in vmw_overlay_resume_all()
371 	mutex_lock(&overlay->mutex);  in vmw_overlay_resume_all()
374 		struct vmw_stream *stream = &overlay->stream[i];  in vmw_overlay_resume_all()
375 		if (!stream->paused)  in vmw_overlay_resume_all()
378 		ret = vmw_overlay_update_stream(dev_priv, stream->buf,  in vmw_overlay_resume_all()
379 						&stream->saved, false);  in vmw_overlay_resume_all()
385 	mutex_unlock(&overlay->mutex);  in vmw_overlay_resume_all()
399 	struct vmw_overlay *overlay = dev_priv->overlay_priv;  in vmw_overlay_pause_all()
405 	mutex_lock(&overlay->mutex);  in vmw_overlay_pause_all()
408 		if (overlay->stream[i].paused)  in vmw_overlay_pause_all()
415 	mutex_unlock(&overlay->mutex);  in vmw_overlay_pause_all()
423 	return (dev_priv->overlay_priv != NULL &&  in vmw_overlay_available()
424 		((dev_priv->fifo.capabilities & VMW_OVERLAY_CAP_MASK) ==  in vmw_overlay_available()
428 int vmw_overlay_ioctl(struct drm_device *dev, void *data,  in vmw_overlay_ioctl()  argument
431 	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;  in vmw_overlay_ioctl()
433 	struct vmw_overlay *overlay = dev_priv->overlay_priv;  in vmw_overlay_ioctl()
435 	    (struct drm_vmw_control_stream_arg *)data;  in vmw_overlay_ioctl()
441 		return -ENOSYS;  in vmw_overlay_ioctl()
443 	ret = vmw_user_stream_lookup(dev_priv, tfile, &arg->stream_id, &res);  in vmw_overlay_ioctl()
447 	mutex_lock(&overlay->mutex);  in vmw_overlay_ioctl()
449 	if (!arg->enabled) {  in vmw_overlay_ioctl()
450 		ret = vmw_overlay_stop(dev_priv, arg->stream_id, false, true);  in vmw_overlay_ioctl()
454 	ret = vmw_user_bo_lookup(tfile, arg->handle, &buf, NULL);  in vmw_overlay_ioctl()
463 	mutex_unlock(&overlay->mutex);  in vmw_overlay_ioctl()
479 	struct vmw_overlay *overlay = dev_priv->overlay_priv;  in vmw_overlay_num_free_overlays()
485 	mutex_lock(&overlay->mutex);  in vmw_overlay_num_free_overlays()
488 		if (!overlay->stream[i].claimed)  in vmw_overlay_num_free_overlays()
491 	mutex_unlock(&overlay->mutex);  in vmw_overlay_num_free_overlays()
498 	struct vmw_overlay *overlay = dev_priv->overlay_priv;  in vmw_overlay_claim()
502 		return -ENOSYS;  in vmw_overlay_claim()
504 	mutex_lock(&overlay->mutex);  in vmw_overlay_claim()
508 		if (overlay->stream[i].claimed)  in vmw_overlay_claim()
511 		overlay->stream[i].claimed = true;  in vmw_overlay_claim()
513 		mutex_unlock(&overlay->mutex);  in vmw_overlay_claim()
517 	mutex_unlock(&overlay->mutex);  in vmw_overlay_claim()
518 	return -ESRCH;  in vmw_overlay_claim()
523 	struct vmw_overlay *overlay = dev_priv->overlay_priv;  in vmw_overlay_unref()
528 		return -ENOSYS;  in vmw_overlay_unref()
530 	mutex_lock(&overlay->mutex);  in vmw_overlay_unref()
532 	WARN_ON(!overlay->stream[stream_id].claimed);  in vmw_overlay_unref()
534 	overlay->stream[stream_id].claimed = false;  in vmw_overlay_unref()
536 	mutex_unlock(&overlay->mutex);  in vmw_overlay_unref()
545 	if (dev_priv->overlay_priv)  in vmw_overlay_init()
546 		return -EINVAL;  in vmw_overlay_init()
550 		return -ENOMEM;  in vmw_overlay_init()
552 	mutex_init(&overlay->mutex);  in vmw_overlay_init()
554 		overlay->stream[i].buf = NULL;  in vmw_overlay_init()
555 		overlay->stream[i].paused = false;  in vmw_overlay_init()
556 		overlay->stream[i].claimed = false;  in vmw_overlay_init()
559 	dev_priv->overlay_priv = overlay;  in vmw_overlay_init()
566 	struct vmw_overlay *overlay = dev_priv->overlay_priv;  in vmw_overlay_close()
571 		return -ENOSYS;  in vmw_overlay_close()
574 		if (overlay->stream[i].buf) {  in vmw_overlay_close()
582 	dev_priv->overlay_priv = NULL;  in vmw_overlay_close()