radeon/vce: initial VCE support v8

v2 (chk): revert feedback buffer hack
v3 (slava): fixed bitstream size calculation
v4 (chk): always create buffers in the right domain
v5 (chk): flush async
v6 (chk): rework fw interface add version check
v7 (leo): implement cropping support
v8 (chk): add hw checks

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Slava Grigorev <slava.grigorev@amd.com>

1 files changed, 274 insertions, 0 deletions

diff --git a/src/gallium/drivers/radeon/radeon_vce.c b/src/gallium/drivers/radeon/radeon_vce.c
new file mode 100644
index 0000000..665c1dc
--- /dev/null
+++ b/src/gallium/drivers/radeon/radeon_vce.c
@@ -0,0 +1,274 @@
+/**************************************************************************
+ *
+ * Copyright 2013 Advanced Micro Devices, Inc.
+ * 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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:
+ *      Christian König <christian.koenig@amd.com>
+ *
+ */
+
+#include <stdio.h>
+
+#include "pipe/p_video_codec.h"
+
+#include "util/u_video.h"
+#include "util/u_memory.h"
+
+#include "vl/vl_video_buffer.h"
+
+#include "../../winsys/radeon/drm/radeon_winsys.h"
+#include "r600_pipe_common.h"
+#include "radeon_video.h"
+#include "radeon_vce.h"
+
+#define CPB_SIZE (40 * 1024 * 1024)
+
+/**
+ * flush commands to the hardware
+ */
+static void flush(struct rvce_encoder *enc)
+{
+	enc->ws->cs_flush(enc->cs, RADEON_FLUSH_ASYNC, 0);
+}
+
+#if 0
+static void dump_feedback(struct rvce_encoder *enc, struct rvid_buffer *fb)
+{
+	uint32_t *ptr = enc->ws->buffer_map(fb->cs_handle, enc->cs, PIPE_TRANSFER_READ_WRITE);
+	unsigned i = 0;
+	fprintf(stderr, "\n");
+	fprintf(stderr, "encStatus:\t\t\t%08x\n", ptr[i++]);
+	fprintf(stderr, "encHasBitstream:\t\t%08x\n", ptr[i++]);
+	fprintf(stderr, "encHasAudioBitstream:\t\t%08x\n", ptr[i++]);
+	fprintf(stderr, "encBitstreamOffset:\t\t%08x\n", ptr[i++]);
+	fprintf(stderr, "encBitstreamSize:\t\t%08x\n", ptr[i++]);
+	fprintf(stderr, "encAudioBitstreamOffset:\t%08x\n", ptr[i++]);
+	fprintf(stderr, "encAudioBitstreamSize:\t\t%08x\n", ptr[i++]);
+	fprintf(stderr, "encExtrabytes:\t\t\t%08x\n", ptr[i++]);
+	fprintf(stderr, "encAudioExtrabytes:\t\t%08x\n", ptr[i++]);
+	fprintf(stderr, "videoTimeStamp:\t\t\t%08x\n", ptr[i++]);
+	fprintf(stderr, "audioTimeStamp:\t\t\t%08x\n", ptr[i++]);
+	fprintf(stderr, "videoOutputType:\t\t%08x\n", ptr[i++]);
+	fprintf(stderr, "attributeFlags:\t\t\t%08x\n", ptr[i++]);
+	fprintf(stderr, "seiPrivatePackageOffset:\t%08x\n", ptr[i++]);
+	fprintf(stderr, "seiPrivatePackageSize:\t\t%08x\n", ptr[i++]);
+	fprintf(stderr, "\n");
+	enc->ws->buffer_unmap(fb->cs_handle);
+}
+#endif
+
+/**
+ * destroy this video encoder
+ */
+static void rvce_destroy(struct pipe_video_codec *encoder)
+{
+	struct rvce_encoder *enc = (struct rvce_encoder*)encoder;
+	if (enc->stream_handle) {
+		struct rvid_buffer fb;
+		rvid_create_buffer(enc->ws, &fb, 512, RADEON_DOMAIN_GTT);
+		enc->fb = &fb;
+		enc->session(enc);
+		enc->feedback(enc);
+		enc->destroy(enc);
+		flush(enc);
+		rvid_destroy_buffer(&fb);
+	}
+	rvid_destroy_buffer(&enc->cpb);
+	FREE(enc);
+}
+
+static void rvce_begin_frame(struct pipe_video_codec *encoder,
+			     struct pipe_video_buffer *source,
+			     struct pipe_picture_desc *picture)
+{
+	struct rvce_encoder *enc = (struct rvce_encoder*)encoder;
+	struct vl_video_buffer *vid_buf = (struct vl_video_buffer *)source;
+	struct pipe_h264_enc_picture_desc *pic = (struct pipe_h264_enc_picture_desc *)picture;
+
+	bool need_rate_control =
+		enc->pic.rate_ctrl.rate_ctrl_method != pic->rate_ctrl.rate_ctrl_method ||
+		enc->pic.quant_i_frames != pic->quant_i_frames ||
+		enc->pic.quant_p_frames != pic->quant_p_frames ||
+		enc->pic.quant_b_frames != pic->quant_b_frames;
+
+	enc->pic = *pic;
+
+	enc->get_buffer(vid_buf->resources[0], &enc->handle, &enc->luma);
+	enc->get_buffer(vid_buf->resources[1], NULL, &enc->chroma);
+	
+	if (!enc->stream_handle) {
+		struct rvid_buffer fb;
+		enc->stream_handle = rvid_alloc_stream_handle();
+		rvid_create_buffer(enc->ws, &fb, 512, RADEON_DOMAIN_GTT);
+		enc->fb = &fb;
+		enc->session(enc);
+		enc->create(enc);
+		enc->rate_control(enc);
+		need_rate_control = false;
+		enc->config_extension(enc);
+		enc->motion_estimation(enc);
+		enc->rdo(enc);
+		enc->pic_control(enc);
+		enc->feedback(enc);
+		flush(enc);
+		//dump_feedback(enc, &fb);
+		rvid_destroy_buffer(&fb);
+	}
+
+	enc->session(enc);
+
+	if (need_rate_control)
+		enc->rate_control(enc);
+}
+
+static void rvce_encode_bitstream(struct pipe_video_codec *encoder,
+				  struct pipe_video_buffer *source,
+				  struct pipe_resource *destination,
+				  void **fb)
+{
+	struct rvce_encoder *enc = (struct rvce_encoder*)encoder;
+	enc->get_buffer(destination, &enc->bs_handle, NULL);
+	enc->bs_size = destination->width0;
+
+	*fb = enc->fb = CALLOC_STRUCT(rvid_buffer);
+	if (!rvid_create_buffer(enc->ws, enc->fb, 512, RADEON_DOMAIN_GTT)) {
+		RVID_ERR("Can't create feedback buffer.\n");
+		return;
+	}
+	enc->encode(enc);
+	enc->feedback(enc);
+}
+
+static void rvce_end_frame(struct pipe_video_codec *encoder,
+			   struct pipe_video_buffer *source,
+			   struct pipe_picture_desc *picture)
+{
+	struct rvce_encoder *enc = (struct rvce_encoder*)encoder;
+	flush(enc);
+}
+
+static void rvce_get_feedback(struct pipe_video_codec *encoder,
+			      void *feedback, unsigned *size)
+{
+	struct rvce_encoder *enc = (struct rvce_encoder*)encoder;
+	struct rvid_buffer *fb = feedback;
+
+	if (size) {
+		uint32_t *ptr = enc->ws->buffer_map(fb->cs_handle, enc->cs, PIPE_TRANSFER_READ_WRITE);
+
+		if (ptr[1]) {
+			*size = ptr[4] - ptr[9];
+		} else {
+			*size = 0;
+		}
+
+		enc->ws->buffer_unmap(fb->cs_handle);
+	}
+	//dump_feedback(enc, fb);
+	rvid_destroy_buffer(fb);
+	FREE(fb);
+}
+
+/**
+ * flush any outstanding command buffers to the hardware
+ */
+static void rvce_flush(struct pipe_video_codec *encoder)
+{
+}
+
+static void rvce_cs_flush(void *ctx, unsigned flags)
+{
+	// just ignored
+}
+
+struct pipe_video_codec *rvce_create_encoder(struct pipe_context *context,
+					     const struct pipe_video_codec *templ,
+					     struct radeon_winsys* ws,
+					     rvce_get_buffer get_buffer)
+{
+	struct r600_common_screen *rscreen = (struct r600_common_screen *)context->screen;
+	struct rvce_encoder *enc;
+
+	if (!rscreen->info.vce_fw_version) {
+		RVID_ERR("Kernel doesn't supports VCE!\n");
+		return NULL;
+
+	} else if (!rvce_is_fw_version_supported(rscreen)) {
+		RVID_ERR("Unsupported VCE fw version loaded!\n");
+		return NULL;
+	}
+
+	enc = CALLOC_STRUCT(rvce_encoder);
+	if (!enc)
+		return NULL;
+
+	enc->base = *templ;
+	enc->base.context = context;
+
+	enc->base.destroy = rvce_destroy;
+	enc->base.begin_frame = rvce_begin_frame;
+	enc->base.encode_bitstream = rvce_encode_bitstream;
+	enc->base.end_frame = rvce_end_frame;
+	enc->base.flush = rvce_flush;
+	enc->base.get_feedback = rvce_get_feedback;
+	enc->get_buffer = get_buffer;
+
+	enc->ws = ws;
+	enc->cs = ws->cs_create(ws, RING_VCE, NULL);
+	if (!enc->cs) {
+		RVID_ERR("Can't get command submission context.\n");
+		goto error;
+	}
+
+	enc->ws->cs_set_flush_callback(enc->cs, rvce_cs_flush, enc);
+
+	if (!rvid_create_buffer(enc->ws, &enc->cpb, CPB_SIZE, RADEON_DOMAIN_VRAM)) {
+		RVID_ERR("Can't create CPB buffer.\n");
+		goto error;
+	}
+
+	radeon_vce_40_2_2_init(enc);
+
+	return &enc->base;
+
+error:
+	if (enc->cs)
+		enc->ws->cs_destroy(enc->cs);
+
+	rvid_destroy_buffer(&enc->cpb);
+
+	FREE(enc);
+	return NULL;
+}
+
+/**
+ * check if kernel has the right fw version loaded
+ */
+bool rvce_is_fw_version_supported(struct r600_common_screen *rscreen)
+{
+	return rscreen->info.vce_fw_version == ((40 << 24) | (2 << 16) | (2 << 8));
+}