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path: root/drivers/staging/media/sunxi/cedrus/cedrus_vp8.c
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Diffstat (limited to 'drivers/staging/media/sunxi/cedrus/cedrus_vp8.c')
-rw-r--r--drivers/staging/media/sunxi/cedrus/cedrus_vp8.c907
1 files changed, 907 insertions, 0 deletions
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_vp8.c b/drivers/staging/media/sunxi/cedrus/cedrus_vp8.c
new file mode 100644
index 000000000000..ff613ebd1180
--- /dev/null
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_vp8.c
@@ -0,0 +1,907 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Cedrus VPU driver
+ *
+ * Copyright (c) 2019 Jernej Skrabec <jernej.skrabec@siol.net>
+ */
+
+/*
+ * VP8 in Cedrus shares same engine as H264.
+ *
+ * Note that it seems necessary to call bitstream parsing functions,
+ * to parse frame header, otherwise decoded image is garbage. This is
+ * contrary to what is driver supposed to do. However, values are not
+ * really used, so this might be acceptable. It's possible that bitstream
+ * parsing functions set some internal VPU state, which is later necessary
+ * for proper decoding. Biggest suspect is "VP8 probs update" trigger.
+ */
+
+#include <linux/delay.h>
+#include <linux/types.h>
+
+#include <media/videobuf2-dma-contig.h>
+
+#include "cedrus.h"
+#include "cedrus_hw.h"
+#include "cedrus_regs.h"
+
+#define CEDRUS_ENTROPY_PROBS_SIZE 0x2400
+#define VP8_PROB_HALF 128
+#define QUANT_DELTA_COUNT 5
+
+/*
+ * This table comes from the concatenation of k_coeff_entropy_update_probs,
+ * kf_ymode_prob, default_mv_context, etc. It is provided in this form in
+ * order to avoid computing it every time the driver is initialised, and is
+ * suitable for direct consumption by the hardware.
+ */
+static const u8 prob_table_init[] = {
+ /* k_coeff_entropy_update_probs */
+ /* block 0 */
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xB0, 0xF6, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xDF, 0xF1, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xF9, 0xFD, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xF4, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xEA, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xF6, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xEF, 0xFD, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFE, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xF8, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFB, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFD, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFB, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFE, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFE, 0xFD, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFA, 0xFF, 0xFE, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ /* block 1 */
+ 0xD9, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xE1, 0xFC, 0xF1, 0xFD, 0xFF, 0xFF, 0xFE, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xEA, 0xFA, 0xF1, 0xFA, 0xFD, 0xFF, 0xFD, 0xFE,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xDF, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xEE, 0xFD, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xF8, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xF9, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xF7, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFD, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFE, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFA, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ /* block 2 */
+ 0xBA, 0xFB, 0xFA, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xEA, 0xFB, 0xF4, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFB, 0xFB, 0xF3, 0xFD, 0xFE, 0xFF, 0xFE, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFD, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xEC, 0xFD, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFB, 0xFD, 0xFD, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFE, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ /* block 3 */
+ 0xF8, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFA, 0xFE, 0xFC, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xF8, 0xFE, 0xF9, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFD, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xF6, 0xFD, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFC, 0xFE, 0xFB, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFE, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xF8, 0xFE, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFD, 0xFF, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFB, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xF5, 0xFB, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFD, 0xFD, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFB, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFC, 0xFD, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xF9, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFF, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFA, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ /* kf_y_mode_probs */
+ 0x91, 0x9C, 0xA3, 0x80, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ /* split_mv_probs */
+ 0x6E, 0x6F, 0x96, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ /* bmode_prob */
+ 0x78, 0x5A, 0x4F, 0x85, 0x57, 0x55, 0x50, 0x6F,
+ 0x97, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ /* sub_mv_ref_prob */
+ 0x93, 0x88, 0x12, 0x00,
+ 0x6A, 0x91, 0x01, 0x00,
+ 0xB3, 0x79, 0x01, 0x00,
+ 0xDF, 0x01, 0x22, 0x00,
+ 0xD0, 0x01, 0x01, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ /* mv_counts_to_probs */
+ 0x07, 0x01, 0x01, 0x8F,
+ 0x0E, 0x12, 0x0E, 0x6B,
+ 0x87, 0x40, 0x39, 0x44,
+ 0x3C, 0x38, 0x80, 0x41,
+ 0x9F, 0x86, 0x80, 0x22,
+ 0xEA, 0xBC, 0x80, 0x1C,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ /* kf_y_mode_tree */
+ 0x84, 0x02, 0x04, 0x06, 0x80, 0x81, 0x82, 0x83,
+
+ /* y_mode_tree */
+ 0x80, 0x02, 0x04, 0x06, 0x81, 0x82, 0x83, 0x84,
+
+ /* uv_mode_tree */
+ 0x80, 0x02, 0x81, 0x04, 0x82, 0x83, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00,
+
+ /* small_mv_tree */
+ 0x02, 0x08, 0x04, 0x06, 0x80, 0x81, 0x82, 0x83,
+ 0x0A, 0x0C, 0x84, 0x85, 0x86, 0x87, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ /* small_mv_tree again */
+ 0x02, 0x08, 0x04, 0x06, 0x80, 0x81, 0x82, 0x83,
+ 0x0A, 0x0C, 0x84, 0x85, 0x86, 0x87, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ /* split_mv_tree */
+ 0x83, 0x02, 0x82, 0x04, 0x80, 0x81, 0x00, 0x00,
+
+ /* b_mode_tree */
+ 0x80, 0x02, 0x81, 0x04, 0x82, 0x06, 0x08, 0x0C,
+ 0x83, 0x0A, 0x85, 0x86, 0x84, 0x0E, 0x87, 0x10,
+ 0x88, 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ /* submv_ref_tree */
+ 0x8A, 0x02, 0x8B, 0x04, 0x8C, 0x8D, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ /* mv_ref_tree */
+ 0x87, 0x02, 0x85, 0x04, 0x86, 0x06, 0x88, 0x89,
+};
+
+/*
+ * This table is a copy of k_mv_entropy_update_probs from the VP8
+ * specification.
+ *
+ * FIXME: If any other driver uses it, move this table to media/vp8-ctrls.h
+ */
+static const u8 k_mv_entropy_update_probs[2][V4L2_VP8_MV_PROB_CNT] = {
+ { 237, 246, 253, 253, 254, 254, 254, 254, 254,
+ 254, 254, 254, 254, 254, 250, 250, 252, 254, 254 },
+ { 231, 243, 245, 253, 254, 254, 254, 254, 254,
+ 254, 254, 254, 254, 254, 251, 251, 254, 254, 254 }
+};
+
+static uint8_t read_bits(struct cedrus_dev *dev, unsigned int bits_count,
+ unsigned int probability)
+{
+ cedrus_write(dev, VE_H264_TRIGGER_TYPE,
+ VE_H264_TRIGGER_TYPE_VP8_GET_BITS |
+ VE_H264_TRIGGER_TYPE_BIN_LENS(bits_count) |
+ VE_H264_TRIGGER_TYPE_PROBABILITY(probability));
+
+ cedrus_wait_for(dev, VE_H264_STATUS, VE_H264_STATUS_VLD_BUSY);
+
+ return cedrus_read(dev, VE_H264_BASIC_BITS);
+}
+
+static void get_delta_q(struct cedrus_dev *dev)
+{
+ if (read_bits(dev, 1, VP8_PROB_HALF)) {
+ read_bits(dev, 4, VP8_PROB_HALF);
+ read_bits(dev, 1, VP8_PROB_HALF);
+ }
+}
+
+static void process_segmentation_info(struct cedrus_dev *dev)
+{
+ int update, i;
+
+ update = read_bits(dev, 1, VP8_PROB_HALF);
+
+ if (read_bits(dev, 1, VP8_PROB_HALF)) {
+ read_bits(dev, 1, VP8_PROB_HALF);
+
+ for (i = 0; i < 4; i++)
+ if (read_bits(dev, 1, VP8_PROB_HALF)) {
+ read_bits(dev, 7, VP8_PROB_HALF);
+ read_bits(dev, 1, VP8_PROB_HALF);
+ }
+
+ for (i = 0; i < 4; i++)
+ if (read_bits(dev, 1, VP8_PROB_HALF)) {
+ read_bits(dev, 6, VP8_PROB_HALF);
+ read_bits(dev, 1, VP8_PROB_HALF);
+ }
+ }
+
+ if (update)
+ for (i = 0; i < 3; i++)
+ if (read_bits(dev, 1, VP8_PROB_HALF))
+ read_bits(dev, 8, VP8_PROB_HALF);
+}
+
+static void process_ref_lf_delta_info(struct cedrus_dev *dev)
+{
+ if (read_bits(dev, 1, VP8_PROB_HALF)) {
+ int i;
+
+ for (i = 0; i < 4; i++)
+ if (read_bits(dev, 1, VP8_PROB_HALF)) {
+ read_bits(dev, 6, VP8_PROB_HALF);
+ read_bits(dev, 1, VP8_PROB_HALF);
+ }
+
+ for (i = 0; i < 4; i++)
+ if (read_bits(dev, 1, VP8_PROB_HALF)) {
+ read_bits(dev, 6, VP8_PROB_HALF);
+ read_bits(dev, 1, VP8_PROB_HALF);
+ }
+ }
+}
+
+static void process_ref_frame_info(struct cedrus_dev *dev)
+{
+ u8 refresh_golden_frame = read_bits(dev, 1, VP8_PROB_HALF);
+ u8 refresh_alt_ref_frame = read_bits(dev, 1, VP8_PROB_HALF);
+
+ if (!refresh_golden_frame)
+ read_bits(dev, 2, VP8_PROB_HALF);
+
+ if (!refresh_alt_ref_frame)
+ read_bits(dev, 2, VP8_PROB_HALF);
+
+ read_bits(dev, 1, VP8_PROB_HALF);
+ read_bits(dev, 1, VP8_PROB_HALF);
+}
+
+static void cedrus_irq_clear(struct cedrus_dev *dev)
+{
+ cedrus_write(dev, VE_H264_STATUS,
+ VE_H264_STATUS_INT_MASK);
+}
+
+static void cedrus_read_header(struct cedrus_dev *dev,
+ const struct v4l2_ctrl_vp8_frame_header *slice)
+{
+ int i, j;
+
+ if (VP8_FRAME_IS_KEY_FRAME(slice)) {
+ read_bits(dev, 1, VP8_PROB_HALF);
+ read_bits(dev, 1, VP8_PROB_HALF);
+ }
+
+ if (read_bits(dev, 1, VP8_PROB_HALF))
+ process_segmentation_info(dev);
+
+ read_bits(dev, 1, VP8_PROB_HALF);
+ read_bits(dev, 6, VP8_PROB_HALF);
+ read_bits(dev, 3, VP8_PROB_HALF);
+
+ if (read_bits(dev, 1, VP8_PROB_HALF))
+ process_ref_lf_delta_info(dev);
+
+ read_bits(dev, 2, VP8_PROB_HALF);
+
+ /* y_ac_qi */
+ read_bits(dev, 7, VP8_PROB_HALF);
+
+ /* Parses y_dc_delta, y2_dc_delta, etc. */
+ for (i = 0; i < QUANT_DELTA_COUNT; i++)
+ get_delta_q(dev);
+
+ if (!VP8_FRAME_IS_KEY_FRAME(slice))
+ process_ref_frame_info(dev);
+
+ read_bits(dev, 1, VP8_PROB_HALF);
+
+ if (!VP8_FRAME_IS_KEY_FRAME(slice))
+ read_bits(dev, 1, VP8_PROB_HALF);
+
+ cedrus_write(dev, VE_H264_TRIGGER_TYPE, VE_H264_TRIGGER_TYPE_VP8_UPDATE_COEF);
+ cedrus_wait_for(dev, VE_H264_STATUS, VE_H264_STATUS_VP8_UPPROB_BUSY);
+ cedrus_irq_clear(dev);
+
+ if (read_bits(dev, 1, VP8_PROB_HALF))
+ read_bits(dev, 8, VP8_PROB_HALF);
+
+ if (!VP8_FRAME_IS_KEY_FRAME(slice)) {
+ read_bits(dev, 8, VP8_PROB_HALF);
+ read_bits(dev, 8, VP8_PROB_HALF);
+ read_bits(dev, 8, VP8_PROB_HALF);
+
+ if (read_bits(dev, 1, VP8_PROB_HALF)) {
+ read_bits(dev, 8, VP8_PROB_HALF);
+ read_bits(dev, 8, VP8_PROB_HALF);
+ read_bits(dev, 8, VP8_PROB_HALF);
+ read_bits(dev, 8, VP8_PROB_HALF);
+ }
+
+ if (read_bits(dev, 1, VP8_PROB_HALF)) {
+ read_bits(dev, 8, VP8_PROB_HALF);
+ read_bits(dev, 8, VP8_PROB_HALF);
+ read_bits(dev, 8, VP8_PROB_HALF);
+ }
+
+ for (i = 0; i < 2; i++)
+ for (j = 0; j < V4L2_VP8_MV_PROB_CNT; j++)
+ if (read_bits(dev, 1, k_mv_entropy_update_probs[i][j]))
+ read_bits(dev, 7, VP8_PROB_HALF);
+ }
+}
+
+static void cedrus_vp8_update_probs(const struct v4l2_ctrl_vp8_frame_header *slice,
+ u8 *prob_table)
+{
+ int i, j, k;
+
+ memcpy(&prob_table[0x1008], slice->entropy_header.y_mode_probs,
+ sizeof(slice->entropy_header.y_mode_probs));
+ memcpy(&prob_table[0x1010], slice->entropy_header.uv_mode_probs,
+ sizeof(slice->entropy_header.uv_mode_probs));
+
+ memcpy(&prob_table[0x1018], slice->segment_header.segment_probs,
+ sizeof(slice->segment_header.segment_probs));
+
+ prob_table[0x101c] = slice->prob_skip_false;
+ prob_table[0x101d] = slice->prob_intra;
+ prob_table[0x101e] = slice->prob_last;
+ prob_table[0x101f] = slice->prob_gf;
+
+ memcpy(&prob_table[0x1020], slice->entropy_header.mv_probs[0],
+ V4L2_VP8_MV_PROB_CNT);
+ memcpy(&prob_table[0x1040], slice->entropy_header.mv_probs[1],
+ V4L2_VP8_MV_PROB_CNT);
+
+ for (i = 0; i < 4; ++i)
+ for (j = 0; j < 8; ++j)
+ for (k = 0; k < 3; ++k)
+ memcpy(&prob_table[i * 512 + j * 64 + k * 16],
+ slice->entropy_header.coeff_probs[i][j][k], 11);
+}
+
+static enum cedrus_irq_status
+cedrus_vp8_irq_status(struct cedrus_ctx *ctx)
+{
+ struct cedrus_dev *dev = ctx->dev;
+ u32 reg = cedrus_read(dev, VE_H264_STATUS);
+
+ if (reg & (VE_H264_STATUS_DECODE_ERR_INT |
+ VE_H264_STATUS_VLD_DATA_REQ_INT))
+ return CEDRUS_IRQ_ERROR;
+
+ if (reg & VE_H264_CTRL_SLICE_DECODE_INT)
+ return CEDRUS_IRQ_OK;
+
+ return CEDRUS_IRQ_NONE;
+}
+
+static void cedrus_vp8_irq_clear(struct cedrus_ctx *ctx)
+{
+ cedrus_irq_clear(ctx->dev);
+}
+
+static void cedrus_vp8_irq_disable(struct cedrus_ctx *ctx)
+{
+ struct cedrus_dev *dev = ctx->dev;
+ u32 reg = cedrus_read(dev, VE_H264_CTRL);
+
+ cedrus_write(dev, VE_H264_CTRL,
+ reg & ~VE_H264_CTRL_INT_MASK);
+}
+
+static void cedrus_vp8_setup(struct cedrus_ctx *ctx,
+ struct cedrus_run *run)
+{
+ const struct v4l2_ctrl_vp8_frame_header *slice = run->vp8.frame_params;
+ struct vb2_queue *cap_q = &ctx->fh.m2m_ctx->cap_q_ctx.q;
+ struct vb2_buffer *src_buf = &run->src->vb2_buf;
+ struct cedrus_dev *dev = ctx->dev;
+ dma_addr_t luma_addr, chroma_addr;
+ dma_addr_t src_buf_addr;
+ int header_size;
+ int qindex;
+ u32 reg;
+
+ cedrus_engine_enable(ctx, CEDRUS_CODEC_VP8);
+
+ cedrus_write(dev, VE_H264_CTRL, VE_H264_CTRL_VP8);
+
+ cedrus_vp8_update_probs(slice, ctx->codec.vp8.entropy_probs_buf);
+
+ reg = slice->first_part_size * 8;
+ cedrus_write(dev, VE_VP8_FIRST_DATA_PART_LEN, reg);
+
+ header_size = VP8_FRAME_IS_KEY_FRAME(slice) ? 10 : 3;
+
+ reg = slice->first_part_size + header_size;
+ cedrus_write(dev, VE_VP8_PART_SIZE_OFFSET, reg);
+
+ reg = vb2_plane_size(src_buf, 0) * 8;
+ cedrus_write(dev, VE_H264_VLD_LEN, reg);
+
+ /*
+ * FIXME: There is a problem if frame header is skipped (adding
+ * first_part_header_bits to offset). It seems that functions
+ * for parsing bitstreams change internal state of VPU in some
+ * way that can't be otherwise set. Maybe this can be bypassed
+ * by somehow fixing probability table buffer?
+ */
+ reg = header_size * 8;
+ cedrus_write(dev, VE_H264_VLD_OFFSET, reg);
+
+ src_buf_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0);
+ cedrus_write(dev, VE_H264_VLD_END,
+ src_buf_addr + vb2_get_plane_payload(src_buf, 0));
+ cedrus_write(dev, VE_H264_VLD_ADDR,
+ VE_H264_VLD_ADDR_VAL(src_buf_addr) |
+ VE_H264_VLD_ADDR_FIRST | VE_H264_VLD_ADDR_VALID |
+ VE_H264_VLD_ADDR_LAST);
+
+ cedrus_write(dev, VE_H264_TRIGGER_TYPE,
+ VE_H264_TRIGGER_TYPE_INIT_SWDEC);
+
+ cedrus_write(dev, VE_VP8_ENTROPY_PROBS_ADDR,
+ ctx->codec.vp8.entropy_probs_buf_dma);
+
+ reg = 0;
+ switch (slice->version) {
+ case 1:
+ reg |= VE_VP8_PPS_FILTER_TYPE_SIMPLE;
+ reg |= VE_VP8_PPS_BILINEAR_MC_FILTER;
+ break;
+ case 2:
+ reg |= VE_VP8_PPS_LPF_DISABLE;
+ reg |= VE_VP8_PPS_BILINEAR_MC_FILTER;
+ break;
+ case 3:
+ reg |= VE_VP8_PPS_LPF_DISABLE;
+ reg |= VE_VP8_PPS_FULL_PIXEL;
+ break;
+ }
+ if (slice->segment_header.flags & V4L2_VP8_SEGMENT_HEADER_FLAG_UPDATE_MAP)
+ reg |= VE_VP8_PPS_UPDATE_MB_SEGMENTATION_MAP;
+ if (!(slice->segment_header.flags & V4L2_VP8_SEGMENT_HEADER_FLAG_DELTA_VALUE_MODE))
+ reg |= VE_VP8_PPS_MB_SEGMENT_ABS_DELTA;
+ if (slice->segment_header.flags & V4L2_VP8_SEGMENT_HEADER_FLAG_ENABLED)
+ reg |= VE_VP8_PPS_SEGMENTATION_ENABLE;
+ if (ctx->codec.vp8.last_filter_type)
+ reg |= VE_VP8_PPS_LAST_LOOP_FILTER_SIMPLE;
+ reg |= VE_VP8_PPS_SHARPNESS_LEVEL(slice->lf_header.sharpness_level);
+ if (slice->lf_header.flags & V4L2_VP8_LF_FILTER_TYPE_SIMPLE)
+ reg |= VE_VP8_PPS_LOOP_FILTER_SIMPLE;
+ reg |= VE_VP8_PPS_LOOP_FILTER_LEVEL(slice->lf_header.level);
+ if (slice->lf_header.flags & V4L2_VP8_LF_HEADER_ADJ_ENABLE)
+ reg |= VE_VP8_PPS_MODE_REF_LF_DELTA_ENABLE;
+ if (slice->lf_header.flags & V4L2_VP8_LF_HEADER_DELTA_UPDATE)
+ reg |= VE_VP8_PPS_MODE_REF_LF_DELTA_UPDATE;
+ reg |= VE_VP8_PPS_TOKEN_PARTITION(ilog2(slice->num_dct_parts));
+ if (slice->flags & V4L2_VP8_FRAME_HEADER_FLAG_MB_NO_SKIP_COEFF)
+ reg |= VE_VP8_PPS_MB_NO_COEFF_SKIP;
+ reg |= VE_VP8_PPS_RELOAD_ENTROPY_PROBS;
+ if (slice->flags & V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_GOLDEN)
+ reg |= VE_VP8_PPS_GOLDEN_SIGN_BIAS;
+ if (slice->flags & V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_ALT)
+ reg |= VE_VP8_PPS_ALTREF_SIGN_BIAS;
+ if (ctx->codec.vp8.last_frame_p_type)
+ reg |= VE_VP8_PPS_LAST_PIC_TYPE_P_FRAME;
+ reg |= VE_VP8_PPS_LAST_SHARPNESS_LEVEL(ctx->codec.vp8.last_sharpness_level);
+ if (!(slice->flags & V4L2_VP8_FRAME_HEADER_FLAG_KEY_FRAME))
+ reg |= VE_VP8_PPS_PIC_TYPE_P_FRAME;
+ cedrus_write(dev, VE_VP8_PPS, reg);
+
+ cedrus_read_header(dev, slice);
+
+ /* reset registers changed by HW */
+ cedrus_write(dev, VE_H264_CUR_MB_NUM, 0);
+ cedrus_write(dev, VE_H264_MB_ADDR, 0);
+ cedrus_write(dev, VE_H264_ERROR_CASE, 0);
+
+ reg = 0;
+ reg |= VE_VP8_QP_INDEX_DELTA_UVAC(slice->quant_header.uv_ac_delta);
+ reg |= VE_VP8_QP_INDEX_DELTA_UVDC(slice->quant_header.uv_dc_delta);
+ reg |= VE_VP8_QP_INDEX_DELTA_Y2AC(slice->quant_header.y2_ac_delta);
+ reg |= VE_VP8_QP_INDEX_DELTA_Y2DC(slice->quant_header.y2_dc_delta);
+ reg |= VE_VP8_QP_INDEX_DELTA_Y1DC(slice->quant_header.y_dc_delta);
+ reg |= VE_VP8_QP_INDEX_DELTA_BASE_QINDEX(slice->quant_header.y_ac_qi);
+ cedrus_write(dev, VE_VP8_QP_INDEX_DELTA, reg);
+
+ reg = 0;
+ reg |= VE_VP8_FSIZE_WIDTH(slice->width);
+ reg |= VE_VP8_FSIZE_HEIGHT(slice->height);
+ cedrus_write(dev, VE_VP8_FSIZE, reg);
+
+ reg = 0;
+ reg |= VE_VP8_PICSIZE_WIDTH(slice->width);
+ reg |= VE_VP8_PICSIZE_HEIGHT(slice->height);
+ cedrus_write(dev, VE_VP8_PICSIZE, reg);
+
+ reg = 0;
+ reg |= VE_VP8_SEGMENT3(slice->segment_header.quant_update[3]);
+ reg |= VE_VP8_SEGMENT2(slice->segment_header.quant_update[2]);
+ reg |= VE_VP8_SEGMENT1(slice->segment_header.quant_update[1]);
+ reg |= VE_VP8_SEGMENT0(slice->segment_header.quant_update[0]);
+ cedrus_write(dev, VE_VP8_SEGMENT_FEAT_MB_LV0, reg);
+
+ reg = 0;
+ reg |= VE_VP8_SEGMENT3(slice->segment_header.lf_update[3]);
+ reg |= VE_VP8_SEGMENT2(slice->segment_header.lf_update[2]);
+ reg |= VE_VP8_SEGMENT1(slice->segment_header.lf_update[1]);
+ reg |= VE_VP8_SEGMENT0(slice->segment_header.lf_update[0]);
+ cedrus_write(dev, VE_VP8_SEGMENT_FEAT_MB_LV1, reg);
+
+ reg = 0;
+ reg |= VE_VP8_LF_DELTA3(slice->lf_header.ref_frm_delta[3]);
+ reg |= VE_VP8_LF_DELTA2(slice->lf_header.ref_frm_delta[2]);
+ reg |= VE_VP8_LF_DELTA1(slice->lf_header.ref_frm_delta[1]);
+ reg |= VE_VP8_LF_DELTA0(slice->lf_header.ref_frm_delta[0]);
+ cedrus_write(dev, VE_VP8_REF_LF_DELTA, reg);
+
+ reg = 0;
+ reg |= VE_VP8_LF_DELTA3(slice->lf_header.mb_mode_delta[3]);
+ reg |= VE_VP8_LF_DELTA2(slice->lf_header.mb_mode_delta[2]);
+ reg |= VE_VP8_LF_DELTA1(slice->lf_header.mb_mode_delta[1]);
+ reg |= VE_VP8_LF_DELTA0(slice->lf_header.mb_mode_delta[0]);
+ cedrus_write(dev, VE_VP8_MODE_LF_DELTA, reg);
+
+ luma_addr = cedrus_dst_buf_addr(ctx, run->dst->vb2_buf.index, 0);
+ chroma_addr = cedrus_dst_buf_addr(ctx, run->dst->vb2_buf.index, 1);
+ cedrus_write(dev, VE_VP8_REC_LUMA, luma_addr);
+ cedrus_write(dev, VE_VP8_REC_CHROMA, chroma_addr);
+
+ qindex = vb2_find_timestamp(cap_q, slice->last_frame_ts, 0);
+ if (qindex >= 0) {
+ luma_addr = cedrus_dst_buf_addr(ctx, qindex, 0);
+ chroma_addr = cedrus_dst_buf_addr(ctx, qindex, 1);
+ cedrus_write(dev, VE_VP8_FWD_LUMA, luma_addr);
+ cedrus_write(dev, VE_VP8_FWD_CHROMA, chroma_addr);
+ } else {
+ cedrus_write(dev, VE_VP8_FWD_LUMA, 0);
+ cedrus_write(dev, VE_VP8_FWD_CHROMA, 0);
+ }
+
+ qindex = vb2_find_timestamp(cap_q, slice->golden_frame_ts, 0);
+ if (qindex >= 0) {
+ luma_addr = cedrus_dst_buf_addr(ctx, qindex, 0);
+ chroma_addr = cedrus_dst_buf_addr(ctx, qindex, 1);
+ cedrus_write(dev, VE_VP8_BWD_LUMA, luma_addr);
+ cedrus_write(dev, VE_VP8_BWD_CHROMA, chroma_addr);
+ } else {
+ cedrus_write(dev, VE_VP8_BWD_LUMA, 0);
+ cedrus_write(dev, VE_VP8_BWD_CHROMA, 0);
+ }
+
+ qindex = vb2_find_timestamp(cap_q, slice->alt_frame_ts, 0);
+ if (qindex >= 0) {
+ luma_addr = cedrus_dst_buf_addr(ctx, qindex, 0);
+ chroma_addr = cedrus_dst_buf_addr(ctx, qindex, 1);
+ cedrus_write(dev, VE_VP8_ALT_LUMA, luma_addr);
+ cedrus_write(dev, VE_VP8_ALT_CHROMA, chroma_addr);
+ } else {
+ cedrus_write(dev, VE_VP8_ALT_LUMA, 0);
+ cedrus_write(dev, VE_VP8_ALT_CHROMA, 0);
+ }
+
+ cedrus_write(dev, VE_H264_CTRL, VE_H264_CTRL_VP8 |
+ VE_H264_CTRL_DECODE_ERR_INT |
+ VE_H264_CTRL_SLICE_DECODE_INT);
+
+ if (slice->lf_header.level) {
+ ctx->codec.vp8.last_filter_type =
+ !!(slice->lf_header.flags & V4L2_VP8_LF_FILTER_TYPE_SIMPLE);
+ ctx->codec.vp8.last_frame_p_type =
+ !VP8_FRAME_IS_KEY_FRAME(slice);
+ ctx->codec.vp8.last_sharpness_level =
+ slice->lf_header.sharpness_level;
+ }
+}
+
+static int cedrus_vp8_start(struct cedrus_ctx *ctx)
+{
+ struct cedrus_dev *dev = ctx->dev;
+
+ ctx->codec.vp8.entropy_probs_buf =
+ dma_alloc_coherent(dev->dev, CEDRUS_ENTROPY_PROBS_SIZE,
+ &ctx->codec.vp8.entropy_probs_buf_dma,
+ GFP_KERNEL);
+ if (!ctx->codec.vp8.entropy_probs_buf)
+ return -ENOMEM;
+
+ /*
+ * This offset has been discovered by reverse engineering, we don’t know
+ * what it actually means.
+ */
+ memcpy(&ctx->codec.vp8.entropy_probs_buf[2048],
+ prob_table_init, sizeof(prob_table_init));
+
+ return 0;
+}
+
+static void cedrus_vp8_stop(struct cedrus_ctx *ctx)
+{
+ struct cedrus_dev *dev = ctx->dev;
+
+ cedrus_engine_disable(dev);
+
+ dma_free_coherent(dev->dev, CEDRUS_ENTROPY_PROBS_SIZE,
+ ctx->codec.vp8.entropy_probs_buf,
+ ctx->codec.vp8.entropy_probs_buf_dma);
+}
+
+static void cedrus_vp8_trigger(struct cedrus_ctx *ctx)
+{
+ struct cedrus_dev *dev = ctx->dev;
+
+ cedrus_write(dev, VE_H264_TRIGGER_TYPE,
+ VE_H264_TRIGGER_TYPE_VP8_SLICE_DECODE);
+}
+
+struct cedrus_dec_ops cedrus_dec_ops_vp8 = {
+ .irq_clear = cedrus_vp8_irq_clear,
+ .irq_disable = cedrus_vp8_irq_disable,
+ .irq_status = cedrus_vp8_irq_status,
+ .setup = cedrus_vp8_setup,
+ .start = cedrus_vp8_start,
+ .stop = cedrus_vp8_stop,
+ .trigger = cedrus_vp8_trigger,
+};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.