From patchwork Thu Feb 6 08:26:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 11367865 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7F36B14E3 for ; Thu, 6 Feb 2020 08:27:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 47790217BA for ; Thu, 6 Feb 2020 08:27:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="Tx8Q+/nx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728039AbgBFI1M (ORCPT ); Thu, 6 Feb 2020 03:27:12 -0500 Received: from mail-wr1-f68.google.com ([209.85.221.68]:43717 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727963AbgBFI1A (ORCPT ); Thu, 6 Feb 2020 03:27:00 -0500 Received: by mail-wr1-f68.google.com with SMTP id z9so5981969wrs.10 for ; Thu, 06 Feb 2020 00:26:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Q0KVm2jLb2riQiTD9KW6RurAfIWMzOlCyoKI6A+fmL8=; b=Tx8Q+/nxlppS5yWe3cQrfm9AKrmswGcD+SlOj8jFr/QIAj7glDrWeF2jFdiyWGoMyc O3kR8cslb81PNgTeSHfVyAzHikAfKqiw479JQOPYBOQg1yB4O+vK5a3aSAWwIjUQTWiN jVj7pLqAQFdfUBaMTP/5WRMggHuZeEB0bydZ3bM57+n2icc2Wc2PzNa8//fyMI0S3eYz hoepC68sLYWROD68DTxMQF4P5UBLZ0NzmJEfBWnf2kHAm2oUhUMpU+VeoGOz6OyZAwX0 lUeuifBF1tidOzam9MjhBC915NWKJf4yeCYRd8roqKCKetztiJ4EPPi8iSzzzoCyNHUV ANjA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Q0KVm2jLb2riQiTD9KW6RurAfIWMzOlCyoKI6A+fmL8=; b=geFbcJzgrMfZYqfThAuQvk2/ODKrKeyRZOtB6H2ewy8ssXDg3RL5cISy5QqTScfLmz 6oSNuWAjmr3MuOiQez0OG0JWsZfjxcHDRbW1pz0kekdV4kziio+LRHZGdhU83g/gm1ge 6eTRowggWoPX/g6xOnTWRc4BFOrIMP+QkiV/m5QSVABQFJn0vZ6kXYvynTyxKRi8+v4d zDca5m5zs/Lk2amiRlR7qLKDL1/x2tqK4MUfCmUNPnJm0KEF/JbmdJrc5BQ5A6OBa376 UgEZcaebwW5y22yskNOWfT7ZUWv6tHj+Dbjl9JhstXV0Xhw33Z99AChlrU+Z6aA29vGG jP7A== X-Gm-Message-State: APjAAAXKLnZcoIvBlHVNAiZdMJgtR9SkSJj3RjTr0PTzjqqU1WXYyZ7i Zg27JHuzMpG1C4tOReN56lsbWg== X-Google-Smtp-Source: APXvYqyYS5bUWonnIwIcfmCEv0itPMLZDBb1WjNJxd6VVih4carnhEIGzP2yCtaq+2hIjBiC3DTI1Q== X-Received: by 2002:adf:f28c:: with SMTP id k12mr2579528wro.360.1580977617677; Thu, 06 Feb 2020 00:26:57 -0800 (PST) Received: from bender.baylibre.local ([2a01:e35:2ec0:82b0:7d33:17f7:8097:ecc7]) by smtp.gmail.com with ESMTPSA id e16sm3148027wrs.73.2020.02.06.00.26.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Feb 2020 00:26:56 -0800 (PST) From: Neil Armstrong To: mchehab@kernel.org, hans.verkuil@cisco.com Cc: Maxime Jourdan , linux-media@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Neil Armstrong Subject: [PATCH v5 4/4] media: meson: vdec: add H.264 decoding support Date: Thu, 6 Feb 2020 09:26:48 +0100 Message-Id: <20200206082648.25184-5-narmstrong@baylibre.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20200206082648.25184-1-narmstrong@baylibre.com> References: <20200206082648.25184-1-narmstrong@baylibre.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Maxime Jourdan Add support for the H264 compressed format (V4L2_PIX_FMT_H264). Signed-off-by: Maxime Jourdan Signed-off-by: Neil Armstrong --- drivers/staging/media/meson/vdec/Makefile | 2 +- drivers/staging/media/meson/vdec/codec_h264.c | 482 ++++++++++++++++++ drivers/staging/media/meson/vdec/codec_h264.h | 14 + .../staging/media/meson/vdec/vdec_platform.c | 61 +++ 4 files changed, 558 insertions(+), 1 deletion(-) create mode 100644 drivers/staging/media/meson/vdec/codec_h264.c create mode 100644 drivers/staging/media/meson/vdec/codec_h264.h diff --git a/drivers/staging/media/meson/vdec/Makefile b/drivers/staging/media/meson/vdec/Makefile index 6bea129084b7..711d990c760e 100644 --- a/drivers/staging/media/meson/vdec/Makefile +++ b/drivers/staging/media/meson/vdec/Makefile @@ -3,6 +3,6 @@ meson-vdec-objs = esparser.o vdec.o vdec_helpers.o vdec_platform.o meson-vdec-objs += vdec_1.o -meson-vdec-objs += codec_mpeg12.o +meson-vdec-objs += codec_mpeg12.o codec_h264.o obj-$(CONFIG_VIDEO_MESON_VDEC) += meson-vdec.o diff --git a/drivers/staging/media/meson/vdec/codec_h264.c b/drivers/staging/media/meson/vdec/codec_h264.c new file mode 100644 index 000000000000..4528a6a01c3d --- /dev/null +++ b/drivers/staging/media/meson/vdec/codec_h264.c @@ -0,0 +1,482 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019 BayLibre, SAS + * Author: Maxime Jourdan + */ + +#include +#include + +#include "vdec_helpers.h" +#include "dos_regs.h" + +#define SIZE_EXT_FW (20 * SZ_1K) +#define SIZE_WORKSPACE 0x1ee000 +#define SIZE_SEI (8 * SZ_1K) + +/* + * Offset added by the firmware which must be substracted + * from the workspace phyaddr + */ +#define WORKSPACE_BUF_OFFSET 0x1000000 + +/* ISR status */ +#define CMD_MASK GENMASK(7, 0) +#define CMD_SRC_CHANGE 1 +#define CMD_FRAMES_READY 2 +#define CMD_FATAL_ERROR 6 +#define CMD_BAD_WIDTH 7 +#define CMD_BAD_HEIGHT 8 + +#define SEI_DATA_READY BIT(15) + +/* Picture type */ +#define PIC_TOP_BOT 5 +#define PIC_BOT_TOP 6 + +/* Size of Motion Vector per macroblock */ +#define MB_MV_SIZE 96 + +/* Frame status data */ +#define PIC_STRUCT_BIT 5 +#define PIC_STRUCT_MASK GENMASK(2, 0) +#define BUF_IDX_MASK GENMASK(4, 0) +#define ERROR_FLAG BIT(9) +#define OFFSET_BIT 16 +#define OFFSET_MASK GENMASK(15, 0) + +/* Bitstream parsed data */ +#define MB_TOTAL_BIT 8 +#define MB_TOTAL_MASK GENMASK(15, 0) +#define MB_WIDTH_MASK GENMASK(7, 0) +#define MAX_REF_BIT 24 +#define MAX_REF_MASK GENMASK(6, 0) +#define AR_IDC_BIT 16 +#define AR_IDC_MASK GENMASK(7, 0) +#define AR_PRESENT_FLAG BIT(0) +#define AR_EXTEND 0xff + +/* + * Buffer to send to the ESPARSER to signal End Of Stream for H.264. + * This is a 16x16 encoded picture that will trigger drain firmware-side. + * There is no known alternative. + */ +static const u8 eos_sequence[SZ_4K] = { + 0x00, 0x00, 0x00, 0x01, 0x06, 0x05, 0xff, 0xe4, 0xdc, 0x45, 0xe9, 0xbd, + 0xe6, 0xd9, 0x48, 0xb7, 0x96, 0x2c, 0xd8, 0x20, 0xd9, 0x23, 0xee, 0xef, + 0x78, 0x32, 0x36, 0x34, 0x20, 0x2d, 0x20, 0x63, 0x6f, 0x72, 0x65, 0x20, + 0x36, 0x37, 0x20, 0x72, 0x31, 0x31, 0x33, 0x30, 0x20, 0x38, 0x34, 0x37, + 0x35, 0x39, 0x37, 0x37, 0x20, 0x2d, 0x20, 0x48, 0x2e, 0x32, 0x36, 0x34, + 0x2f, 0x4d, 0x50, 0x45, 0x47, 0x2d, 0x34, 0x20, 0x41, 0x56, 0x43, 0x20, + 0x63, 0x6f, 0x64, 0x65, 0x63, 0x20, 0x2d, 0x20, 0x43, 0x6f, 0x70, 0x79, + 0x6c, 0x65, 0x66, 0x74, 0x20, 0x32, 0x30, 0x30, 0x33, 0x2d, 0x32, 0x30, + 0x30, 0x39, 0x20, 0x2d, 0x20, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, + 0x77, 0x77, 0x77, 0x2e, 0x76, 0x69, 0x64, 0x65, 0x6f, 0x6c, 0x61, 0x6e, + 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x78, 0x32, 0x36, 0x34, 0x2e, 0x68, 0x74, + 0x6d, 0x6c, 0x20, 0x2d, 0x20, 0x6f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, + 0x3a, 0x20, 0x63, 0x61, 0x62, 0x61, 0x63, 0x3d, 0x31, 0x20, 0x72, 0x65, + 0x66, 0x3d, 0x31, 0x20, 0x64, 0x65, 0x62, 0x6c, 0x6f, 0x63, 0x6b, 0x3d, + 0x31, 0x3a, 0x30, 0x3a, 0x30, 0x20, 0x61, 0x6e, 0x61, 0x6c, 0x79, 0x73, + 0x65, 0x3d, 0x30, 0x78, 0x31, 0x3a, 0x30, 0x78, 0x31, 0x31, 0x31, 0x20, + 0x6d, 0x65, 0x3d, 0x68, 0x65, 0x78, 0x20, 0x73, 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0x00, 0x00, 0x00, 0x01, + 0x65, 0x88, 0x80, 0x20, 0x00, 0x08, 0x7f, 0xea, 0x6a, 0xe2, 0x99, 0xb6, + 0x57, 0xae, 0x49, 0x30, 0xf5, 0xfe, 0x5e, 0x46, 0x0b, 0x72, 0x44, 0xc4, + 0xe1, 0xfc, 0x62, 0xda, 0xf1, 0xfb, 0xa2, 0xdb, 0xd6, 0xbe, 0x5c, 0xd7, + 0x24, 0xa3, 0xf5, 0xb9, 0x2f, 0x57, 0x16, 0x49, 0x75, 0x47, 0x77, 0x09, + 0x5c, 0xa1, 0xb4, 0xc3, 0x4f, 0x60, 0x2b, 0xb0, 0x0c, 0xc8, 0xd6, 0x66, + 0xba, 0x9b, 0x82, 0x29, 0x33, 0x92, 0x26, 0x99, 0x31, 0x1c, 0x7f, 0x9b, + 0x00, 0x00, 0x01, 0x0ff, +}; + +static const u8 *codec_h264_eos_sequence(u32 *len) +{ + *len = ARRAY_SIZE(eos_sequence); + return eos_sequence; +} + +struct codec_h264 { + /* H.264 decoder requires an extended firmware */ + void *ext_fw_vaddr; + dma_addr_t ext_fw_paddr; + + /* Buffer for the H.264 Workspace */ + void *workspace_vaddr; + dma_addr_t workspace_paddr; + + /* Buffer for the H.264 references MV */ + void *ref_vaddr; + dma_addr_t ref_paddr; + u32 ref_size; + + /* Buffer for parsed SEI data */ + void *sei_vaddr; + dma_addr_t sei_paddr; + + u32 mb_width; + u32 mb_height; + u32 max_refs; +}; + +static int codec_h264_can_recycle(struct amvdec_core *core) +{ + return !amvdec_read_dos(core, AV_SCRATCH_7) || + !amvdec_read_dos(core, AV_SCRATCH_8); +} + +static void codec_h264_recycle(struct amvdec_core *core, u32 buf_idx) +{ + /* + * Tell the firmware it can recycle this buffer. + * AV_SCRATCH_8 serves the same purpose. + */ + if (!amvdec_read_dos(core, AV_SCRATCH_7)) + amvdec_write_dos(core, AV_SCRATCH_7, buf_idx + 1); + else + amvdec_write_dos(core, AV_SCRATCH_8, buf_idx + 1); +} + +static int codec_h264_start(struct amvdec_session *sess) +{ + u32 workspace_offset; + struct amvdec_core *core = sess->core; + struct codec_h264 *h264 = sess->priv; + + /* Allocate some memory for the H.264 decoder's state */ + h264->workspace_vaddr = + dma_alloc_coherent(core->dev, SIZE_WORKSPACE, + &h264->workspace_paddr, GFP_KERNEL); + if (!h264->workspace_vaddr) + return -ENOMEM; + + /* Allocate some memory for the H.264 SEI dump */ + h264->sei_vaddr = dma_alloc_coherent(core->dev, SIZE_SEI, + &h264->sei_paddr, GFP_KERNEL); + if (!h264->sei_vaddr) + return -ENOMEM; + + amvdec_write_dos_bits(core, POWER_CTL_VLD, BIT(9) | BIT(6)); + + workspace_offset = h264->workspace_paddr - WORKSPACE_BUF_OFFSET; + amvdec_write_dos(core, AV_SCRATCH_1, workspace_offset); + amvdec_write_dos(core, AV_SCRATCH_G, h264->ext_fw_paddr); + amvdec_write_dos(core, AV_SCRATCH_I, h264->sei_paddr - + workspace_offset); + + /* Enable "error correction" */ + amvdec_write_dos(core, AV_SCRATCH_F, + (amvdec_read_dos(core, AV_SCRATCH_F) & 0xffffffc3) | + BIT(4) | BIT(7)); + + amvdec_write_dos(core, MDEC_PIC_DC_THRESH, 0x404038aa); + + return 0; +} + +static int codec_h264_stop(struct amvdec_session *sess) +{ + struct codec_h264 *h264 = sess->priv; + struct amvdec_core *core = sess->core; + + if (h264->ext_fw_vaddr) + dma_free_coherent(core->dev, SIZE_EXT_FW, + h264->ext_fw_vaddr, h264->ext_fw_paddr); + + if (h264->workspace_vaddr) + dma_free_coherent(core->dev, SIZE_WORKSPACE, + h264->workspace_vaddr, h264->workspace_paddr); + + if (h264->ref_vaddr) + dma_free_coherent(core->dev, h264->ref_size, + h264->ref_vaddr, h264->ref_paddr); + + if (h264->sei_vaddr) + dma_free_coherent(core->dev, SIZE_SEI, + h264->sei_vaddr, h264->sei_paddr); + + return 0; +} + +static int codec_h264_load_extended_firmware(struct amvdec_session *sess, + const u8 *data, u32 len) +{ + struct codec_h264 *h264; + struct amvdec_core *core = sess->core; + + if (len < SIZE_EXT_FW) + return -EINVAL; + + h264 = kzalloc(sizeof(*h264), GFP_KERNEL); + if (!h264) + return -ENOMEM; + + h264->ext_fw_vaddr = dma_alloc_coherent(core->dev, SIZE_EXT_FW, + &h264->ext_fw_paddr, GFP_KERNEL); + if (!h264->ext_fw_vaddr) { + kfree(h264); + return -ENOMEM; + } + + memcpy(h264->ext_fw_vaddr, data, SIZE_EXT_FW); + sess->priv = h264; + + return 0; +} + +static const struct v4l2_fract par_table[] = { + { 1, 1 }, { 1, 1 }, { 12, 11 }, { 10, 11 }, + { 16, 11 }, { 40, 33 }, { 24, 11 }, { 20, 11 }, + { 32, 11 }, { 80, 33 }, { 18, 11 }, { 15, 11 }, + { 64, 33 }, { 160, 99 }, { 4, 3 }, { 3, 2 }, + { 2, 1 } +}; + +static void codec_h264_set_par(struct amvdec_session *sess) +{ + struct amvdec_core *core = sess->core; + u32 seq_info = amvdec_read_dos(core, AV_SCRATCH_2); + u32 ar_idc = (seq_info >> AR_IDC_BIT) & AR_IDC_MASK; + + if (!(seq_info & AR_PRESENT_FLAG)) + return; + + if (ar_idc == AR_EXTEND) { + u32 ar_info = amvdec_read_dos(core, AV_SCRATCH_3); + + sess->pixelaspect.numerator = ar_info & 0xffff; + sess->pixelaspect.denominator = (ar_info >> 16) & 0xffff; + return; + } + + if (ar_idc >= ARRAY_SIZE(par_table)) + return; + + sess->pixelaspect = par_table[ar_idc]; +} + +static void codec_h264_resume(struct amvdec_session *sess) +{ + struct amvdec_core *core = sess->core; + struct codec_h264 *h264 = sess->priv; + u32 mb_width, mb_height, mb_total; + + amvdec_set_canvases(sess, (u32[]){ ANC0_CANVAS_ADDR, 0 }, + (u32[]){ 24, 0 }); + + dev_dbg(core->dev, "max_refs = %u; actual_dpb_size = %u\n", + h264->max_refs, sess->num_dst_bufs); + + /* Align to a multiple of 4 macroblocks */ + mb_width = ALIGN(h264->mb_width, 4); + mb_height = ALIGN(h264->mb_height, 4); + mb_total = mb_width * mb_height; + + h264->ref_size = mb_total * MB_MV_SIZE * h264->max_refs; + h264->ref_vaddr = dma_alloc_coherent(core->dev, h264->ref_size, + &h264->ref_paddr, GFP_KERNEL); + if (!h264->ref_vaddr) { + amvdec_abort(sess); + return; + } + + /* Address to store the references' MVs */ + amvdec_write_dos(core, AV_SCRATCH_1, h264->ref_paddr); + /* End of ref MV */ + amvdec_write_dos(core, AV_SCRATCH_4, h264->ref_paddr + h264->ref_size); + + amvdec_write_dos(core, AV_SCRATCH_0, (h264->max_refs << 24) | + (sess->num_dst_bufs << 16) | + ((h264->max_refs - 1) << 8)); +} + +/** + * Configure the H.264 decoder when the parser detected a parameter set change + */ +static void codec_h264_src_change(struct amvdec_session *sess) +{ + struct amvdec_core *core = sess->core; + struct codec_h264 *h264 = sess->priv; + u32 parsed_info, mb_total; + u32 crop_infor, crop_bottom, crop_right; + u32 frame_width, frame_height; + + sess->keyframe_found = 1; + + parsed_info = amvdec_read_dos(core, AV_SCRATCH_1); + + /* Total number of 16x16 macroblocks */ + mb_total = (parsed_info >> MB_TOTAL_BIT) & MB_TOTAL_MASK; + /* Number of macroblocks per line */ + h264->mb_width = parsed_info & MB_WIDTH_MASK; + /* Number of macroblock lines */ + h264->mb_height = mb_total / h264->mb_width; + + h264->max_refs = ((parsed_info >> MAX_REF_BIT) & MAX_REF_MASK) + 1; + + crop_infor = amvdec_read_dos(core, AV_SCRATCH_6); + crop_bottom = (crop_infor & 0xff); + crop_right = (crop_infor >> 16) & 0xff; + + frame_width = h264->mb_width * 16 - crop_right; + frame_height = h264->mb_height * 16 - crop_bottom; + + dev_dbg(core->dev, "frame: %ux%u; crop: %u %u\n", + frame_width, frame_height, crop_right, crop_bottom); + + codec_h264_set_par(sess); + amvdec_src_change(sess, frame_width, frame_height, h264->max_refs + 5); +} + +/** + * The bitstream offset is split in half in 2 different registers. + * Fetch its MSB here, which location depends on the frame number. + */ +static u32 get_offset_msb(struct amvdec_core *core, int frame_num) +{ + int take_msb = frame_num % 2; + int reg_offset = (frame_num / 2) * 4; + u32 offset_msb = amvdec_read_dos(core, AV_SCRATCH_A + reg_offset); + + if (take_msb) + return offset_msb & 0xffff0000; + + return (offset_msb & 0x0000ffff) << 16; +} + +static void codec_h264_frames_ready(struct amvdec_session *sess, u32 status) +{ + struct amvdec_core *core = sess->core; + int error_count; + int num_frames; + int i; + + error_count = amvdec_read_dos(core, AV_SCRATCH_D); + num_frames = (status >> 8) & 0xff; + if (error_count) { + dev_warn(core->dev, + "decoder error(s) happened, count %d\n", error_count); + amvdec_write_dos(core, AV_SCRATCH_D, 0); + } + + for (i = 0; i < num_frames; i++) { + u32 frame_status = amvdec_read_dos(core, AV_SCRATCH_1 + i * 4); + u32 buffer_index = frame_status & BUF_IDX_MASK; + u32 pic_struct = (frame_status >> PIC_STRUCT_BIT) & + PIC_STRUCT_MASK; + u32 offset = (frame_status >> OFFSET_BIT) & OFFSET_MASK; + u32 field = V4L2_FIELD_NONE; + + /* + * A buffer decode error means it was decoded, + * but part of the picture will have artifacts. + * Typical reason is a temporarily corrupted bitstream + */ + if (frame_status & ERROR_FLAG) + dev_dbg(core->dev, "Buffer %d decode error\n", + buffer_index); + + if (pic_struct == PIC_TOP_BOT) + field = V4L2_FIELD_INTERLACED_TB; + else if (pic_struct == PIC_BOT_TOP) + field = V4L2_FIELD_INTERLACED_BT; + + offset |= get_offset_msb(core, i); + amvdec_dst_buf_done_idx(sess, buffer_index, offset, field); + } +} + +static irqreturn_t codec_h264_threaded_isr(struct amvdec_session *sess) +{ + struct amvdec_core *core = sess->core; + u32 status; + u32 size; + u8 cmd; + + status = amvdec_read_dos(core, AV_SCRATCH_0); + cmd = status & CMD_MASK; + + switch (cmd) { + case CMD_SRC_CHANGE: + codec_h264_src_change(sess); + break; + case CMD_FRAMES_READY: + codec_h264_frames_ready(sess, status); + break; + case CMD_FATAL_ERROR: + dev_err(core->dev, "H.264 decoder fatal error\n"); + goto abort; + case CMD_BAD_WIDTH: + size = (amvdec_read_dos(core, AV_SCRATCH_1) + 1) * 16; + dev_err(core->dev, "Unsupported video width: %u\n", size); + goto abort; + case CMD_BAD_HEIGHT: + size = (amvdec_read_dos(core, AV_SCRATCH_1) + 1) * 16; + dev_err(core->dev, "Unsupported video height: %u\n", size); + goto abort; + case 0: /* Unused but not worth printing for */ + case 9: + break; + default: + dev_info(core->dev, "Unexpected H264 ISR: %08X\n", cmd); + break; + } + + if (cmd && cmd != CMD_SRC_CHANGE) + amvdec_write_dos(core, AV_SCRATCH_0, 0); + + /* Decoder has some SEI data for us ; ignore */ + if (amvdec_read_dos(core, AV_SCRATCH_J) & SEI_DATA_READY) + amvdec_write_dos(core, AV_SCRATCH_J, 0); + + return IRQ_HANDLED; +abort: + amvdec_abort(sess); + return IRQ_HANDLED; +} + +static irqreturn_t codec_h264_isr(struct amvdec_session *sess) +{ + struct amvdec_core *core = sess->core; + + amvdec_write_dos(core, ASSIST_MBOX1_CLR_REG, 1); + + return IRQ_WAKE_THREAD; +} + +struct amvdec_codec_ops codec_h264_ops = { + .start = codec_h264_start, + .stop = codec_h264_stop, + .load_extended_firmware = codec_h264_load_extended_firmware, + .isr = codec_h264_isr, + .threaded_isr = codec_h264_threaded_isr, + .can_recycle = codec_h264_can_recycle, + .recycle = codec_h264_recycle, + .eos_sequence = codec_h264_eos_sequence, + .resume = codec_h264_resume, +}; diff --git a/drivers/staging/media/meson/vdec/codec_h264.h b/drivers/staging/media/meson/vdec/codec_h264.h new file mode 100644 index 000000000000..7cb4fb86ff36 --- /dev/null +++ b/drivers/staging/media/meson/vdec/codec_h264.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2019 BayLibre, SAS + * Author: Maxime Jourdan + */ + +#ifndef __MESON_VDEC_CODEC_H264_H_ +#define __MESON_VDEC_CODEC_H264_H_ + +#include "vdec.h" + +extern struct amvdec_codec_ops codec_h264_ops; + +#endif diff --git a/drivers/staging/media/meson/vdec/vdec_platform.c b/drivers/staging/media/meson/vdec/vdec_platform.c index 066d4a055894..e9356a46828f 100644 --- a/drivers/staging/media/meson/vdec/vdec_platform.c +++ b/drivers/staging/media/meson/vdec/vdec_platform.c @@ -9,9 +9,22 @@ #include "vdec_1.h" #include "codec_mpeg12.h" +#include "codec_h264.h" static const struct amvdec_format vdec_formats_gxbb[] = { { + .pixfmt = V4L2_PIX_FMT_H264, + .min_buffers = 2, + .max_buffers = 24, + .max_width = 1920, + .max_height = 1080, + .vdec_ops = &vdec_1_ops, + .codec_ops = &codec_h264_ops, + .firmware_path = "meson/vdec/gxbb_h264.bin", + .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 }, + .flags = V4L2_FMT_FLAG_COMPRESSED | + V4L2_FMT_FLAG_DYN_RESOLUTION, + }, { .pixfmt = V4L2_PIX_FMT_MPEG1, .min_buffers = 8, .max_buffers = 8, @@ -38,6 +51,18 @@ static const struct amvdec_format vdec_formats_gxbb[] = { static const struct amvdec_format vdec_formats_gxl[] = { { + .pixfmt = V4L2_PIX_FMT_H264, + .min_buffers = 2, + .max_buffers = 24, + .max_width = 3840, + .max_height = 2160, + .vdec_ops = &vdec_1_ops, + .codec_ops = &codec_h264_ops, + .firmware_path = "meson/vdec/gxl_h264.bin", + .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 }, + .flags = V4L2_FMT_FLAG_COMPRESSED | + V4L2_FMT_FLAG_DYN_RESOLUTION, + }, { .pixfmt = V4L2_PIX_FMT_MPEG1, .min_buffers = 8, .max_buffers = 8, @@ -64,6 +89,18 @@ static const struct amvdec_format vdec_formats_gxl[] = { static const struct amvdec_format vdec_formats_gxm[] = { { + .pixfmt = V4L2_PIX_FMT_H264, + .min_buffers = 2, + .max_buffers = 24, + .max_width = 3840, + .max_height = 2160, + .vdec_ops = &vdec_1_ops, + .codec_ops = &codec_h264_ops, + .firmware_path = "meson/vdec/gxm_h264.bin", + .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 }, + .flags = V4L2_FMT_FLAG_COMPRESSED | + V4L2_FMT_FLAG_DYN_RESOLUTION, + }, { .pixfmt = V4L2_PIX_FMT_MPEG1, .min_buffers = 8, .max_buffers = 8, @@ -90,6 +127,18 @@ static const struct amvdec_format vdec_formats_gxm[] = { static const struct amvdec_format vdec_formats_g12a[] = { { + .pixfmt = V4L2_PIX_FMT_H264, + .min_buffers = 2, + .max_buffers = 24, + .max_width = 3840, + .max_height = 2160, + .vdec_ops = &vdec_1_ops, + .codec_ops = &codec_h264_ops, + .firmware_path = "meson/vdec/g12a_h264.bin", + .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 }, + .flags = V4L2_FMT_FLAG_COMPRESSED | + V4L2_FMT_FLAG_DYN_RESOLUTION, + }, { .pixfmt = V4L2_PIX_FMT_MPEG1, .min_buffers = 8, .max_buffers = 8, @@ -116,6 +165,18 @@ static const struct amvdec_format vdec_formats_g12a[] = { static const struct amvdec_format vdec_formats_sm1[] = { { + .pixfmt = V4L2_PIX_FMT_H264, + .min_buffers = 2, + .max_buffers = 24, + .max_width = 3840, + .max_height = 2160, + .vdec_ops = &vdec_1_ops, + .codec_ops = &codec_h264_ops, + .firmware_path = "meson/vdec/g12a_h264.bin", + .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 }, + .flags = V4L2_FMT_FLAG_COMPRESSED | + V4L2_FMT_FLAG_DYN_RESOLUTION, + }, { .pixfmt = V4L2_PIX_FMT_MPEG1, .min_buffers = 8, .max_buffers = 8,