Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753676AbbKQMzu (ORCPT ); Tue, 17 Nov 2015 07:55:50 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:53395 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753516AbbKQMzX (ORCPT ); Tue, 17 Nov 2015 07:55:23 -0500 X-Listener-Flag: 11101 From: Tiffany Lin To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Catalin Marinas , Will Deacon , Mauro Carvalho Chehab , Matthias Brugger , Daniel Kurtz , Sascha Hauer , Hongzhou Yang , Hans Verkuil , Laurent Pinchart , Sakari Ailus , Geert Uytterhoeven , Mikhail Ulyanov , Fabien Dessenne , Arnd Bergmann , Darren Etheridge , Peter Griffin , Benoit Parrot CC: Tiffany Lin , Andrew-CT Chen , Eddie Huang , Yingjoe Chen , James Liao , Daniel Hsiao , , , , , Subject: [RESEND RFC/PATCH 8/8] media: platform: mtk-vcodec: Add Mediatek H264 Video Encoder Driver Date: Tue, 17 Nov 2015 20:54:45 +0800 Message-ID: <1447764885-23100-9-git-send-email-tiffany.lin@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1447764885-23100-1-git-send-email-tiffany.lin@mediatek.com> References: <1447764885-23100-1-git-send-email-tiffany.lin@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 29641 Lines: 1026 Signed-off-by: Daniel Hsiao --- drivers/media/platform/mtk-vcodec/Makefile | 2 +- drivers/media/platform/mtk-vcodec/common/Makefile | 4 +- .../media/platform/mtk-vcodec/common/venc_drv_if.c | 3 + .../media/platform/mtk-vcodec/h264_enc/Makefile | 9 + .../platform/mtk-vcodec/h264_enc/venc_h264_if.c | 529 ++++++++++++++++++++ .../platform/mtk-vcodec/h264_enc/venc_h264_if.h | 53 ++ .../platform/mtk-vcodec/h264_enc/venc_h264_vpu.c | 341 +++++++++++++ 7 files changed, 939 insertions(+), 2 deletions(-) create mode 100644 drivers/media/platform/mtk-vcodec/h264_enc/Makefile create mode 100644 drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.c create mode 100644 drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.h create mode 100644 drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.c diff --git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/platform/mtk-vcodec/Makefile index b881a8b..d2189f7 100644 --- a/drivers/media/platform/mtk-vcodec/Makefile +++ b/drivers/media/platform/mtk-vcodec/Makefile @@ -4,7 +4,7 @@ obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk_vcodec_intr.o \ mtk_vcodec_enc.o \ mtk_vcodec_enc_pm.o -obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += common/ vp8_enc/ +obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += common/ vp8_enc/ h264_enc/ ccflags-y += -I$(srctree)/drivers/media/platform/mtk-vcodec/include \ -I$(srctree)/drivers/media/platform/mtk-vcodec \ diff --git a/drivers/media/platform/mtk-vcodec/common/Makefile b/drivers/media/platform/mtk-vcodec/common/Makefile index 71ae856..b33d48d 100644 --- a/drivers/media/platform/mtk-vcodec/common/Makefile +++ b/drivers/media/platform/mtk-vcodec/common/Makefile @@ -6,5 +6,7 @@ ccflags-y += \ -I$(srctree)/drivers/media/platform/mtk-vcodec \ -I$(srctree)/drivers/media/platform/mtk-vcodec/include \ -I$(srctree)/drivers/media/platform/mtk-vcodec/vp8_enc \ + -I$(srctree)/drivers/media/platform/mtk-vcodec/h264_enc \ -I$(srctree)/drivers/media/platform/mtk-vpu \ - -I$(srctree)/drivers/media/platform/mtk-vpu/vp8_enc + -I$(srctree)/drivers/media/platform/mtk-vpu/vp8_enc \ + -I$(srctree)/drivers/media/platform/mtk-vpu/h264_enc diff --git a/drivers/media/platform/mtk-vcodec/common/venc_drv_if.c b/drivers/media/platform/mtk-vcodec/common/venc_drv_if.c index e9be186..930254b 100644 --- a/drivers/media/platform/mtk-vcodec/common/venc_drv_if.c +++ b/drivers/media/platform/mtk-vcodec/common/venc_drv_if.c @@ -27,6 +27,7 @@ #include "venc_drv_if.h" #include "venc_drv_base.h" #include "venc_vp8_if.h" +#include "venc_h264_if.h" int venc_if_create(void *ctx, unsigned int fourcc, unsigned long *handle) { @@ -48,6 +49,8 @@ int venc_if_create(void *ctx, unsigned int fourcc, unsigned long *handle) h->enc_if = get_vp8_enc_comm_if(); break; case V4L2_PIX_FMT_H264: + h->enc_if = get_h264_enc_comm_if(); + break; default: mtk_vcodec_err(h, "invalid format %s", str); goto err_out; diff --git a/drivers/media/platform/mtk-vcodec/h264_enc/Makefile b/drivers/media/platform/mtk-vcodec/h264_enc/Makefile new file mode 100644 index 0000000..6559908 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/h264_enc/Makefile @@ -0,0 +1,9 @@ +obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += venc_h264_if.o venc_h264_vpu.o + +ccflags-y += \ + -I$(srctree)/include/ \ + -I$(srctree)/drivers/media/platform/mtk-vcodec/ \ + -I$(srctree)/drivers/media/platform/mtk-vcodec/include \ + -I$(srctree)/drivers/media/platform/mtk-vcodec/h264_enc \ + -I$(srctree)/drivers/media/platform/mtk-vpu \ + -I$(srctree)/drivers/media/platform/mtk-vpu/h264_enc diff --git a/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.c b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.c new file mode 100644 index 0000000..c880865 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.c @@ -0,0 +1,529 @@ +/* + * Copyright (c) 2015 MediaTek Inc. + * Author: Jungchang Tsao + * Daniel Hsiao + * + * This program is free software; you can redistribute it and/or + * modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include + +#include "mtk_vcodec_drv.h" +#include "mtk_vcodec_util.h" +#include "mtk_vcodec_intr.h" +#include "mtk_vcodec_enc.h" +#include "mtk_vcodec_pm.h" +#include "mtk_vpu_core.h" + +#include "venc_h264_if.h" +#include "venc_h264_vpu.h" + +#define h264_write_reg(h, addr, val) writel(val, h->hw_base + addr) +#define h264_read_reg(h, addr) readl(h->hw_base + addr) + +#define VENC_PIC_BITSTREAM_BYTE_CNT 0x0098 + +enum venc_h264_irq_status { + H264_IRQ_STATUS_ENC_SPS_INT = (1 << 0), + H264_IRQ_STATUS_ENC_PPS_INT = (1 << 1), + H264_IRQ_STATUS_ENC_FRM_INT = (1 << 2), +}; + +static int h264_enc_alloc_work_buf(struct venc_h264_handle *handle) +{ + int i, j; + int ret = 0; + struct venc_h264_vpu_buf *wb = handle->vpu_inst.drv->work_bufs; + + mtk_vcodec_debug_enter(handle); + + for (i = 0; i < VENC_H264_VPU_WORK_BUF_MAX; i++) { + /* + * This 'wb' structure is set by VPU side and shared to AP for + * buffer allocation and physical addr mapping. For most of + * the buffers, AP will allocate the buffer according to 'size' + * field and store the physical addr in 'pa' field. There are two + * exceptions: + * (1) RC_CODE buffer, it's pre-allocated in the VPU side, and + * save the VPU addr in the 'vpua' field. The AP will translate + * the VPU addr to the corresponding physical addr and store + * in 'pa' field for reg setting in VPU side. + * (2) SKIP_FRAME buffer, it's pre-allocated in the VPU side, and + * save the VPU addr in the 'vpua' field. The AP will translate + * the VPU addr to the corresponding AP side virtual address and + * do some memcpy access to move to bitstream buffer assigned + * by v4l2 layer. + */ + if (i == VENC_H264_VPU_WORK_BUF_RC_CODE) { + handle->work_bufs[i].size = wb[i].size; + handle->work_bufs[i].va = vpu_mapping_dm_addr( + handle->dev, (uintptr_t *)(unsigned long) + wb[i].vpua); + handle->work_bufs[i].dma_addr = + (dma_addr_t)vpu_mapping_iommu_dm_addr( + handle->dev, (uintptr_t *)(unsigned long) + wb[i].vpua); + wb[i].pa = handle->work_bufs[i].dma_addr; + } else if (i == VENC_H264_VPU_WORK_BUF_SKIP_FRAME) { + handle->work_bufs[i].size = wb[i].size; + handle->work_bufs[i].va = vpu_mapping_dm_addr( + handle->dev, (uintptr_t *)(unsigned long) + wb[i].vpua); + handle->work_bufs[i].dma_addr = 0; + wb[i].pa = handle->work_bufs[i].dma_addr; + } else { + handle->work_bufs[i].size = wb[i].size; + if (mtk_vcodec_mem_alloc(handle->ctx, + &handle->work_bufs[i])) { + mtk_vcodec_err(handle, "cannot allocate buf %d", i); + ret = -ENOMEM; + goto err_alloc; + } + wb[i].pa = handle->work_bufs[i].dma_addr; + } + mtk_vcodec_debug(handle, "buf[%d] va=0x%p pa=0x%p size=0x%lx", i, + handle->work_bufs[i].va, + (void *)handle->work_bufs[i].dma_addr, + handle->work_bufs[i].size); + } + + /* the pps_buf is used by AP side only */ + handle->pps_buf.size = 128; + if (mtk_vcodec_mem_alloc(handle->ctx, + &handle->pps_buf)) { + mtk_vcodec_err(handle, "cannot allocate pps_buf"); + ret = -ENOMEM; + goto err_alloc; + } + mtk_vcodec_debug_leave(handle); + + return ret; + +err_alloc: + for (j = 0; j < i; j++) { + if ((j != VENC_H264_VPU_WORK_BUF_RC_CODE) && + (j != VENC_H264_VPU_WORK_BUF_SKIP_FRAME)) + mtk_vcodec_mem_free(handle->ctx, &handle->work_bufs[j]); + } + + return ret; +} + +static void h264_enc_free_work_buf(struct venc_h264_handle *handle) +{ + int i; + + mtk_vcodec_debug_enter(handle); + for (i = 0; i < VENC_H264_VPU_WORK_BUF_MAX; i++) { + if ((i != VENC_H264_VPU_WORK_BUF_RC_CODE) && + (i != VENC_H264_VPU_WORK_BUF_SKIP_FRAME)) + mtk_vcodec_mem_free(handle->ctx, &handle->work_bufs[i]); + } + mtk_vcodec_mem_free(handle->ctx, &handle->pps_buf); + mtk_vcodec_debug_leave(handle); +} + +static unsigned int h264_enc_wait_venc_done(struct venc_h264_handle *handle) +{ + unsigned int irq_status = 0; + struct mtk_vcodec_ctx *pctx = handle->ctx; + + mtk_vcodec_debug_enter(handle); + mtk_vcodec_wait_for_done_ctx(pctx, MTK_INST_IRQ_RECEIVED, 1000, true); + irq_status = pctx->irq_status; + mtk_vcodec_debug(handle, "irq_status %x <-", irq_status); + + return irq_status; +} + +static int h264_encode_sps(struct venc_h264_handle *handle, + struct mtk_vcodec_mem *bs_buf, + unsigned int *bs_size) +{ + unsigned int irq_status; + + mtk_vcodec_debug_enter(handle); + + if (h264_enc_vpu_encode(handle, H264_BS_MODE_SPS, NULL, + bs_buf, bs_size)) { + mtk_vcodec_err(handle, "h264_enc_vpu_encode sps failed"); + return -EINVAL; + } + + irq_status = h264_enc_wait_venc_done(handle); + if (irq_status != H264_IRQ_STATUS_ENC_SPS_INT) { + mtk_vcodec_err(handle, "expect irq status %d", + H264_IRQ_STATUS_ENC_SPS_INT); + return -EINVAL; + } + + *bs_size = h264_read_reg(handle, VENC_PIC_BITSTREAM_BYTE_CNT); + mtk_vcodec_debug(handle, "bs size %d <-", *bs_size); + + return 0; +} + +static int h264_encode_pps(struct venc_h264_handle *handle, + struct mtk_vcodec_mem *bs_buf, + unsigned int *bs_size) +{ + unsigned int irq_status; + + mtk_vcodec_debug_enter(handle); + + if (h264_enc_vpu_encode(handle, H264_BS_MODE_PPS, NULL, + bs_buf, bs_size)) { + mtk_vcodec_err(handle, "h264_enc_vpu_encode pps failed"); + return -EINVAL; + } + + irq_status = h264_enc_wait_venc_done(handle); + if (irq_status != H264_IRQ_STATUS_ENC_PPS_INT) { + mtk_vcodec_err(handle, "expect irq status %d", + H264_IRQ_STATUS_ENC_PPS_INT); + return -EINVAL; + } + + *bs_size = h264_read_reg(handle, VENC_PIC_BITSTREAM_BYTE_CNT); + mtk_vcodec_debug(handle, "bs size %d <-", *bs_size); + + return 0; +} + +static int h264_encode_frame(struct venc_h264_handle *handle, + struct venc_frm_buf *frm_buf, + struct mtk_vcodec_mem *bs_buf, + unsigned int *bs_size) +{ + unsigned int irq_status; + + mtk_vcodec_debug_enter(handle); + + if (h264_enc_vpu_encode(handle, H264_BS_MODE_FRAME, frm_buf, + bs_buf, bs_size)) { + mtk_vcodec_err(handle, "h264_enc_vpu_encode frame failed"); + return -EINVAL; + } + + /* + * skip frame case: The skip frame buffer is composed by vpu side only, + * it does not trigger the hw, so skip the wait interrupt operation. + */ + if (!handle->vpu_inst.wait_int) { + ++handle->frm_cnt; + return 0; + } + + irq_status = h264_enc_wait_venc_done(handle); + if (irq_status != H264_IRQ_STATUS_ENC_FRM_INT) { + mtk_vcodec_err(handle, "irq_status=%d failed", irq_status); + return -EINVAL; + } + + *bs_size = h264_read_reg(handle, + VENC_PIC_BITSTREAM_BYTE_CNT); + ++handle->frm_cnt; + mtk_vcodec_debug(handle, "frm %d bs size %d key_frm %d <-", + handle->frm_cnt, + *bs_size, handle->is_key_frm); + + return 0; +} + +static void h264_encode_filler(struct venc_h264_handle *handle, void *buf, int size) +{ + unsigned char *p = buf; + + *p++ = 0x0; + *p++ = 0x0; + *p++ = 0x0; + *p++ = 0x1; + *p++ = 0xc; + size -= 5; + while (size) { + *p++ = 0xff; + size -= 1; + } +} + +int h264_enc_init(struct mtk_vcodec_ctx *ctx, unsigned long *handle) +{ + struct venc_h264_handle *h; + + h = kzalloc(sizeof(*h), GFP_KERNEL); + if (!h) + return -ENOMEM; + + h->ctx = ctx; + h->dev = mtk_vcodec_get_plat_dev(ctx); + h->hw_base = mtk_vcodec_get_reg_addr(h->ctx, VENC_SYS); + + if (h264_enc_vpu_init(h)) { + mtk_vcodec_err(h, "h264_enc_init failed"); + return -EINVAL; + } + + (*handle) = (unsigned long)h; + + return 0; +} + +int h264_enc_encode(unsigned long handle, + enum venc_start_opt opt, + struct venc_frm_buf *frm_buf, + struct mtk_vcodec_mem *bs_buf, + struct venc_done_result *result) +{ + int ret = 0; + struct venc_h264_handle *h = (struct venc_h264_handle *)handle; + + mtk_vcodec_debug(h, "opt %d ->", opt); + + switch (opt) { + case VENC_START_OPT_ENCODE_SEQUENCE_HEADER: { + unsigned int bs_size_sps; + unsigned int bs_size_pps; + + memset(bs_buf->va, 0x38, 20); + if (h264_encode_sps(h, bs_buf, &bs_size_sps)) { + mtk_vcodec_err(h, "h264_encode_sps failed"); + ret = -EINVAL; + goto encode_err; + } + memset(h->pps_buf.va, 0x49, 20); + + if (h264_encode_pps(h, &h->pps_buf, &bs_size_pps)) { + mtk_vcodec_err(h, "h264_encode_pps failed"); + ret = -EINVAL; + goto encode_err; + } + + memcpy(bs_buf->va + bs_size_sps, + h->pps_buf.va, + bs_size_pps); + result->bs_size = bs_size_sps + bs_size_pps; + result->is_key_frm = false; + } + break; + + case VENC_START_OPT_ENCODE_FRAME: + if (h->prepend_hdr) { + int hdr_sz; + int hdr_sz_ext; + int bs_alignment = 128; + int filler_sz = 0; + struct mtk_vcodec_mem tmp_bs_buf; + unsigned int bs_size_sps; + unsigned int bs_size_pps; + unsigned int bs_size_frm; + + mtk_vcodec_debug(h, + "h264_encode_frame prepend SPS/PPS"); + if (h264_encode_sps(h, bs_buf, &bs_size_sps)) { + mtk_vcodec_err(h, + "h264_encode_sps failed"); + ret = -EINVAL; + goto encode_err; + } + + if (h264_encode_pps(h, &h->pps_buf, &bs_size_pps)) { + mtk_vcodec_err(h, + "h264_encode_pps failed"); + ret = -EINVAL; + goto encode_err; + } + memcpy(bs_buf->va + bs_size_sps, + h->pps_buf.va, + bs_size_pps); + + hdr_sz = bs_size_sps + bs_size_pps; + hdr_sz_ext = (hdr_sz & (bs_alignment - 1)); + if (hdr_sz_ext) { + filler_sz = bs_alignment - hdr_sz_ext; + if (hdr_sz_ext + 5 > bs_alignment) + filler_sz += bs_alignment; + h264_encode_filler( + h, bs_buf->va + hdr_sz, + filler_sz); + } + + tmp_bs_buf.va = bs_buf->va + hdr_sz + + filler_sz; + tmp_bs_buf.dma_addr = bs_buf->dma_addr + hdr_sz + + filler_sz; + tmp_bs_buf.size = bs_buf->size - + (hdr_sz + filler_sz); + + if (h264_encode_frame(h, frm_buf, + &tmp_bs_buf, + &bs_size_frm)) { + mtk_vcodec_err(h, + "h264_encode_frame failed"); + ret = -EINVAL; + goto encode_err; + } + + result->bs_size = hdr_sz + filler_sz + bs_size_frm; + mtk_vcodec_debug(h, + "hdr %d filler %d frame %d bs %d", + hdr_sz, filler_sz, bs_size_frm, + result->bs_size); + + h->prepend_hdr = 0; + } else { + if (h264_encode_frame(h, frm_buf, bs_buf, + &result->bs_size)) { + mtk_vcodec_err(h, + "h264_encode_frame failed"); + ret = -EINVAL; + goto encode_err; + } + } + result->is_key_frm = h->is_key_frm; + break; + + default: + mtk_vcodec_err(h, "venc_start_opt %d not supported", + opt); + ret = -EINVAL; + break; + } + +encode_err: + if (ret) + result->msg = VENC_MESSAGE_ERR; + else + result->msg = VENC_MESSAGE_OK; + + mtk_vcodec_debug(h, "opt %d <-", opt); + return ret; +} + +int h264_enc_set_param(unsigned long handle, + enum venc_set_param_type type, void *in) +{ + int ret = 0; + struct venc_h264_handle *h = (struct venc_h264_handle *)handle; + struct venc_enc_prm *enc_prm; + + mtk_vcodec_debug(h, "->type=%d", type); + + switch (type) { + case VENC_SET_PARAM_ENC: + enc_prm = in; + if (h264_enc_vpu_set_param(h, + VENC_SET_PARAM_ENC, + enc_prm)) { + ret = -EINVAL; + break; + } + if (h->work_buf_alloc == 0) { + if (h264_enc_alloc_work_buf(h)) { + mtk_vcodec_err(h, + "h264_enc_alloc_work_buf failed"); + ret = -ENOMEM; + } else { + h->work_buf_alloc = 1; + } + } + break; + + case VENC_SET_PARAM_FORCE_INTRA: + if (h264_enc_vpu_set_param(h, + VENC_SET_PARAM_FORCE_INTRA, 0)) { + mtk_vcodec_err(h, "force intra failed"); + ret = -EINVAL; + } + break; + + case VENC_SET_PARAM_ADJUST_BITRATE: + enc_prm = in; + if (h264_enc_vpu_set_param(h, VENC_SET_PARAM_ADJUST_BITRATE, + &enc_prm->bitrate)) { + mtk_vcodec_err(h, "adjust bitrate failed"); + ret = -EINVAL; + } + break; + + case VENC_SET_PARAM_ADJUST_FRAMERATE: + enc_prm = in; + if (h264_enc_vpu_set_param(h, VENC_SET_PARAM_ADJUST_FRAMERATE, + &enc_prm->frm_rate)) { + mtk_vcodec_err(h, "adjust frame rate failed"); + ret = -EINVAL; + } + break; + + case VENC_SET_PARAM_I_FRAME_INTERVAL: + if (h264_enc_vpu_set_param(h, + VENC_SET_PARAM_I_FRAME_INTERVAL, + in)) { + mtk_vcodec_err(h, "set I frame interval failed"); + ret = -EINVAL; + } + break; + + case VENC_SET_PARAM_SKIP_FRAME: + if (h264_enc_vpu_set_param(h, VENC_SET_PARAM_SKIP_FRAME, 0)) { + mtk_vcodec_err(h, "skip frame failed"); + ret = -EINVAL; + } + break; + + case VENC_SET_PARAM_PREPEND_HEADER: + h->prepend_hdr = 1; + mtk_vcodec_debug(h, "set prepend header mode"); + break; + + default: + mtk_vcodec_err(h, "type %d not supported", type); + ret = -EINVAL; + break; + } + + mtk_vcodec_debug_leave(h); + return ret; +} + +int h264_enc_deinit(unsigned long handle) +{ + int ret = 0; + struct venc_h264_handle *h = (struct venc_h264_handle *)handle; + + mtk_vcodec_debug_enter(h); + + if (h264_enc_vpu_deinit(h)) { + mtk_vcodec_err(h, "h264_enc_vpu_deinit failed"); + ret = -EINVAL; + } + + if (h->work_buf_alloc) + h264_enc_free_work_buf(h); + + mtk_vcodec_debug_leave(h); + kfree(h); + + return ret; +} + +struct venc_common_if venc_h264_if = { + h264_enc_init, + h264_enc_encode, + h264_enc_set_param, + h264_enc_deinit, +}; + +struct venc_common_if *get_h264_enc_comm_if(void) +{ + return &venc_h264_if; +} diff --git a/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.h b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.h new file mode 100644 index 0000000..4deb7d4 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.h @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2015 MediaTek Inc. + * Author: Jungchang Tsao + * Daniel Hsiao + * + * This program is free software; you can redistribute it and/or + * modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _VENC_H264_IF_H_ +#define _VENC_H264_IF_H_ + +#include "venc_drv_base.h" +#include "venc_h264_vpu.h" + +/* + * struct venc_h264_handle - h264 encoder AP driver handle + * @hw_base: h264 encoder hardware register base + * @work_bufs: working buffer + * @pps_buf: buffer to store the pps bitstream + * @work_buf_alloc: working buffer allocated flag + * @frm_cnt: encoded frame count + * @prepend_hdr: when the v4l2 layer send VENC_SET_PARAM_PREPEND_HEADER cmd + * through h264_enc_set_param interface, it will set this flag and prepend the + * sps/pps in h264_enc_encode function. + * @is_key_frm: key frame flag + * @vpu_inst: VPU instance to exchange information between AP and VPU + * @ctx: context for v4l2 layer integration + * @dev: device for v4l2 layer integration + */ +struct venc_h264_handle { + void __iomem *hw_base; + struct mtk_vcodec_mem work_bufs[VENC_H264_VPU_WORK_BUF_MAX]; + struct mtk_vcodec_mem pps_buf; + unsigned int work_buf_alloc; + unsigned int frm_cnt; + unsigned int prepend_hdr; + unsigned int is_key_frm; + struct venc_h264_vpu_inst vpu_inst; + void *ctx; + struct platform_device *dev; +}; + +struct venc_common_if *get_h264_enc_comm_if(void); + +#endif diff --git a/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.c b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.c new file mode 100644 index 0000000..5715971 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.c @@ -0,0 +1,341 @@ +/* + * Copyright (c) 2015 MediaTek Inc. + * Author: Jungchang Tsao + * Daniel Hsiao + * + * This program is free software; you can redistribute it and/or + * modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "mtk_vpu_core.h" + +#include "venc_h264_if.h" +#include "venc_h264_vpu.h" +#include "venc_ipi_msg.h" + +static unsigned int h264_get_profile(unsigned int profile) +{ + /* (Baseline=66, Main=77, High=100) */ + switch (profile) { + case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE: + return 66; + case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN: + return 77; + case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH: + return 100; + default: + return 100; + } +} + +static unsigned int h264_get_level(unsigned int level) +{ + /* (UpTo4.1(HighProfile)) */ + switch (level) { + case V4L2_MPEG_VIDEO_H264_LEVEL_1_0: + return 10; + case V4L2_MPEG_VIDEO_H264_LEVEL_1_1: + return 11; + case V4L2_MPEG_VIDEO_H264_LEVEL_1_2: + return 12; + case V4L2_MPEG_VIDEO_H264_LEVEL_1_3: + return 13; + case V4L2_MPEG_VIDEO_H264_LEVEL_2_0: + return 20; + case V4L2_MPEG_VIDEO_H264_LEVEL_2_1: + return 21; + case V4L2_MPEG_VIDEO_H264_LEVEL_2_2: + return 22; + case V4L2_MPEG_VIDEO_H264_LEVEL_3_0: + return 30; + case V4L2_MPEG_VIDEO_H264_LEVEL_3_1: + return 31; + case V4L2_MPEG_VIDEO_H264_LEVEL_3_2: + return 32; + case V4L2_MPEG_VIDEO_H264_LEVEL_4_0: + return 40; + case V4L2_MPEG_VIDEO_H264_LEVEL_4_1: + return 41; + default: + return 31; + } +} + +static void handle_h264_enc_init_msg(struct venc_h264_handle *hndl, void *data) +{ + struct venc_vpu_ipi_msg_init *msg = data; + + hndl->vpu_inst.id = msg->inst_id; + hndl->vpu_inst.drv = (struct venc_h264_vpu_drv *)vpu_mapping_dm_addr( + hndl->dev, (uintptr_t *)(unsigned long)msg->inst_id); +} + +static void handle_h264_enc_encode_msg(struct venc_h264_handle *hndl, + void *data) +{ + struct venc_vpu_ipi_msg_enc *msg = data; + + hndl->vpu_inst.state = msg->state; + hndl->vpu_inst.bs_size = msg->bs_size; + hndl->is_key_frm = msg->key_frame; +} + +static void h264_enc_vpu_ipi_handler(void *data, unsigned int len, void *priv) +{ + struct venc_vpu_ipi_msg_common *msg = data; + struct venc_h264_handle *hndl = (struct venc_h264_handle *)msg->venc_inst; + + mtk_vcodec_debug_enter(hndl); + + mtk_vcodec_debug(hndl, "msg_id %x hndl %p status %d", + msg->msg_id, hndl, msg->status); + + switch (msg->msg_id) { + case VPU_IPIMSG_H264_ENC_INIT_DONE: + handle_h264_enc_init_msg(hndl, data); + break; + case VPU_IPIMSG_H264_ENC_SET_PARAM_DONE: + break; + case VPU_IPIMSG_H264_ENC_ENCODE_DONE: + handle_h264_enc_encode_msg(hndl, data); + break; + case VPU_IPIMSG_H264_ENC_DEINIT_DONE: + break; + default: + mtk_vcodec_err(hndl, "unknown msg id %x", msg->msg_id); + break; + } + + hndl->vpu_inst.signaled = 1; + hndl->vpu_inst.failure = (msg->status != VENC_IPI_MSG_STATUS_OK); + wake_up_interruptible(&hndl->vpu_inst.wq_hd); + + mtk_vcodec_debug_leave(hndl); +} + +static int h264_enc_vpu_wait_ack(struct venc_h264_handle *hndl, + unsigned int timeout_ms) +{ + int ret; + + mtk_vcodec_debug_enter(hndl); + + ret = wait_event_interruptible_timeout(hndl->vpu_inst.wq_hd, + hndl->vpu_inst.signaled == 1, + msecs_to_jiffies(timeout_ms)); + if (0 == ret) { + mtk_vcodec_err(hndl, "wait vpu ack time out !"); + return -EINVAL; + } + if (-ERESTARTSYS == ret) { + mtk_vcodec_err(hndl, + "wait vpu ack interrupted by a signal"); + return -EINVAL; + } + + hndl->vpu_inst.signaled = 0; + + mtk_vcodec_debug_leave(hndl); + return 0; +} + +static int h264_enc_vpu_send_msg(struct venc_h264_handle *hndl, void *msg, + int len, int wait_ack) +{ + int status; + + mtk_vcodec_debug_enter(hndl); + + status = vpu_ipi_send(hndl->dev, IPI_VENC_H264, msg, len, 1); + if (status) { + mtk_vcodec_err(hndl, "vpu_ipi_send msg %x len %d fail %d", + *(unsigned int *)msg, len, status); + return -EINVAL; + } + mtk_vcodec_debug(hndl, "vpu_ipi_send msg %x success", + *(unsigned int *)msg); + + if (wait_ack && h264_enc_vpu_wait_ack(hndl, 2000)) { + mtk_vcodec_err(hndl, "h264_enc_vpu_wait_ack failed"); + return -EINVAL; + } + + mtk_vcodec_debug_leave(hndl); + return 0; +} + +int h264_enc_vpu_init(void *handle) +{ + int status; + struct venc_h264_handle *hndl = handle; + struct venc_ap_ipi_msg_init out; + + mtk_vcodec_debug_enter(hndl); + + init_waitqueue_head(&hndl->vpu_inst.wq_hd); + hndl->vpu_inst.signaled = 0; + hndl->vpu_inst.failure = 0; + + status = vpu_ipi_register(hndl->dev, IPI_VENC_H264, + h264_enc_vpu_ipi_handler, + "h264_enc", NULL); + if (status) { + mtk_vcodec_err(hndl, "vpu_ipi_register fail %d", status); + return -EINVAL; + } + mtk_vcodec_debug(hndl, "vpu_ipi_register success"); + + out.msg_id = AP_IPIMSG_H264_ENC_INIT; + out.venc_inst = (unsigned long)hndl; + if (h264_enc_vpu_send_msg(hndl, &out, sizeof(out), 1) || + hndl->vpu_inst.failure) { + mtk_vcodec_err(hndl, "AP_IPIMSG_H264_ENC_INIT failed"); + return -EINVAL; + } + + mtk_vcodec_debug_leave(hndl); + + return 0; +} + +int h264_enc_vpu_set_param(void *handle, unsigned int id, void *param) +{ + struct venc_h264_handle *hndl = handle; + struct venc_ap_ipi_msg_set_param out; + + mtk_vcodec_debug(hndl, "id %d ->", id); + + out.msg_id = AP_IPIMSG_H264_ENC_SET_PARAM; + out.inst_id = hndl->vpu_inst.id; + out.param_id = id; + switch (id) { + case VENC_SET_PARAM_ENC: { + struct venc_enc_prm *enc_param = param; + + hndl->vpu_inst.drv->config.input_fourcc = enc_param->input_fourcc; + hndl->vpu_inst.drv->config.bitrate = enc_param->bitrate; + hndl->vpu_inst.drv->config.pic_w = enc_param->width; + hndl->vpu_inst.drv->config.pic_h = enc_param->height; + hndl->vpu_inst.drv->config.buf_w = enc_param->buf_width; + hndl->vpu_inst.drv->config.buf_h = enc_param->buf_height; + hndl->vpu_inst.drv->config.intra_period = + enc_param->intra_period; + hndl->vpu_inst.drv->config.framerate = enc_param->frm_rate; + hndl->vpu_inst.drv->config.profile = + h264_get_profile(enc_param->h264_profile); + hndl->vpu_inst.drv->config.level = + h264_get_level(enc_param->h264_level); + hndl->vpu_inst.drv->config.wfd = 0; + out.data_item = 0; + break; + } + case VENC_SET_PARAM_FORCE_INTRA: + out.data_item = 0; + break; + case VENC_SET_PARAM_ADJUST_BITRATE: + out.data_item = 1; + out.data[0] = *(unsigned int *)param; + break; + case VENC_SET_PARAM_ADJUST_FRAMERATE: + out.data_item = 1; + out.data[0] = *(unsigned int *)param; + break; + case VENC_SET_PARAM_I_FRAME_INTERVAL: + out.data_item = 1; + out.data[0] = *(unsigned int *)param; + break; + case VENC_SET_PARAM_SKIP_FRAME: + out.data_item = 0; + break; + } + if (h264_enc_vpu_send_msg(hndl, &out, sizeof(out), 1) || + hndl->vpu_inst.failure) { + mtk_vcodec_err(hndl, + "AP_IPIMSG_H264_ENC_SET_PARAM %d fail", id); + return -EINVAL; + } + + mtk_vcodec_debug(hndl, "id %d <-", id); + + return 0; +} + +int h264_enc_vpu_encode(void *handle, unsigned int bs_mode, + struct venc_frm_buf *frm_buf, + struct mtk_vcodec_mem *bs_buf, + unsigned int *bs_size) +{ + struct venc_h264_handle *hndl = handle; + struct venc_ap_ipi_msg_enc out; + + mtk_vcodec_debug(hndl, "bs_mode %d ->", bs_mode); + + out.msg_id = AP_IPIMSG_H264_ENC_ENCODE; + out.inst_id = hndl->vpu_inst.id; + out.bs_mode = bs_mode; + if (frm_buf) { + out.input_addr[0] = frm_buf->fb_addr.dma_addr; + out.input_addr[1] = frm_buf->fb_addr1.dma_addr; + out.input_addr[2] = frm_buf->fb_addr2.dma_addr; + } else { + out.input_addr[0] = 0; + out.input_addr[1] = 0; + out.input_addr[2] = 0; + } + if (bs_buf) { + out.bs_addr = bs_buf->dma_addr; + out.bs_size = bs_buf->size; + } else { + out.bs_addr = 0; + out.bs_size = 0; + } + if (h264_enc_vpu_send_msg(hndl, &out, sizeof(out), 1) || + hndl->vpu_inst.failure) { + mtk_vcodec_err(hndl, "AP_IPIMSG_H264_ENC_ENCODE %d fail", + bs_mode); + return -EINVAL; + } + + mtk_vcodec_debug(hndl, "state %d size %d key_frm %d", + hndl->vpu_inst.state, hndl->vpu_inst.bs_size, + hndl->is_key_frm); + hndl->vpu_inst.wait_int = 1; + if (hndl->vpu_inst.state == VEN_IPI_MSG_ENC_STATE_SKIP) { + *bs_size = hndl->vpu_inst.bs_size; + memcpy(bs_buf->va, + hndl->work_bufs[VENC_H264_VPU_WORK_BUF_SKIP_FRAME].va, + *bs_size); + hndl->vpu_inst.wait_int = 0; + } + + mtk_vcodec_debug(hndl, "bs_mode %d ->", bs_mode); + + return 0; +} + +int h264_enc_vpu_deinit(void *handle) +{ + struct venc_h264_handle *hndl = handle; + struct venc_ap_ipi_msg_deinit out; + + mtk_vcodec_debug_enter(hndl); + + out.msg_id = AP_IPIMSG_H264_ENC_DEINIT; + out.inst_id = hndl->vpu_inst.id; + if (h264_enc_vpu_send_msg(hndl, &out, sizeof(out), 1) || + hndl->vpu_inst.failure) { + mtk_vcodec_err(hndl, "AP_IPIMSG_H264_ENC_DEINIT fail"); + return -EINVAL; + } + + mtk_vcodec_debug_leave(hndl); + + return 0; +} -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/