On 02/04/2016 12:35 PM, Tiffany Lin wrote: > Add h264 encoder driver for MT8173 > > Signed-off-by: Daniel Hsiao <daniel.hsiao@xxxxxxxxxxxx> > Signed-off-by: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx> > --- > drivers/media/platform/mtk-vcodec/Makefile | 3 +- > .../media/platform/mtk-vcodec/h264_enc/Makefile | 6 + > .../platform/mtk-vcodec/h264_enc/venc_h264_if.c | 540 ++++++++++++++++++++ > .../platform/mtk-vcodec/h264_enc/venc_h264_if.h | 165 ++++++ > .../platform/mtk-vcodec/h264_enc/venc_h264_vpu.c | 309 +++++++++++ > .../platform/mtk-vcodec/h264_enc/venc_h264_vpu.h | 30 ++ > drivers/media/platform/mtk-vcodec/venc_drv_if.c | 3 + > 7 files changed, 1055 insertions(+), 1 deletion(-) > 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 > create mode 100644 drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.h > > diff --git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/platform/mtk-vcodec/Makefile > index f4ef502..f47dfc7 100644 > --- a/drivers/media/platform/mtk-vcodec/Makefile > +++ b/drivers/media/platform/mtk-vcodec/Makefile > @@ -5,6 +5,7 @@ obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk_vcodec_intr.o \ > mtk_vcodec_enc_pm.o \ > venc_drv_if.o > > -obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += vp8_enc/ > + > +obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += vp8_enc/ h264_enc/ > > ccflags-y += -I$(srctree)/drivers/media/platform/mtk-vpu > 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..765b45f > --- /dev/null > +++ b/drivers/media/platform/mtk-vcodec/h264_enc/Makefile > @@ -0,0 +1,6 @@ > +obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += venc_h264_if.o venc_h264_vpu.o > + > +ccflags-y += \ > + -I$(srctree)/drivers/media/platform/mtk-vcodec/ \ > + -I$(srctree)/drivers/media/platform/mtk-vcodec/h264_enc \ > + -I$(srctree)/drivers/media/platform/mtk-vpu > 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..c35fb26 > --- /dev/null > +++ b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.c > @@ -0,0 +1,540 @@ > +/* > + * Copyright (c) 2015 MediaTek Inc. > + * Author: Jungchang Tsao <jungchang.tsao@xxxxxxxxxxxx> > + * Daniel Hsiao <daniel.hsiao@xxxxxxxxxxxx> > + * PoChun Lin <pochun.lin@xxxxxxxxxxxx> > + * > + * 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 <linux/interrupt.h> > +#include <linux/kernel.h> > +#include <linux/slab.h> > + > +#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.h" > + > +#include "venc_h264_if.h" > +#include "venc_h264_vpu.h" > + > +#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 inline void h264_write_reg(struct venc_h264_inst *inst, u32 addr, > + u32 val) > +{ > + writel(val, inst->hw_base + addr); > +} > + > +static inline u32 h264_read_reg(struct venc_h264_inst *inst, u32 addr) > +{ > + return readl(inst->hw_base + addr); > +} > + > +static void h264_enc_free_work_buf(struct venc_h264_inst *inst) > +{ > + int i; > + > + mtk_vcodec_debug_enter(inst); > + > + /* Except the SKIP_FRAME buffers, > + * other buffers need to be freed by AP. > + */ > + for (i = 0; i < VENC_H264_VPU_WORK_BUF_MAX; i++) { > + if (i != VENC_H264_VPU_WORK_BUF_SKIP_FRAME) > + if (inst->work_bufs[i].va != NULL) > + mtk_vcodec_mem_free(inst->ctx, > + &inst->work_bufs[i]); > + } > + > + if (inst->pps_buf.va != NULL) > + mtk_vcodec_mem_free(inst->ctx, &inst->pps_buf); > + > + mtk_vcodec_debug_leave(inst); > +} > + > +static int h264_enc_alloc_work_buf(struct venc_h264_inst *inst, void *param) > +{ > + int i; > + int ret = 0; > + struct venc_h264_vpu_buf *wb = inst->vpu_inst.drv->work_bufs; > + struct venc_enc_prm *enc_param = param; > + > + mtk_vcodec_debug_enter(inst); > + > + 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 IO virtual addr mapping. For most of > + * the buffers, AP will allocate the buffer according to 'size' > + * field and store the IO virtual addr in 'iova' 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 IO virtual addr and store > + * in 'iova' 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) { > + void *tmp_va; > + > + tmp_va = vpu_mapping_dm_addr(inst->dev, wb[i].vpua); > + inst->work_bufs[i].size = wb[i].size; > + if (mtk_vcodec_mem_alloc(inst->ctx, > + &inst->work_bufs[i])) { > + mtk_vcodec_err(inst, > + "cannot allocate buf %d", i); > + ret = -ENOMEM; > + goto err_alloc; > + } > + memcpy(inst->work_bufs[i].va, tmp_va, wb[i].size); > + wb[i].iova = inst->work_bufs[i].dma_addr; > + } else if (i == VENC_H264_VPU_WORK_BUF_SKIP_FRAME) { > + inst->work_bufs[i].size = wb[i].size; > + inst->work_bufs[i].va = vpu_mapping_dm_addr( > + inst->dev, wb[i].vpua); > + inst->work_bufs[i].dma_addr = 0; > + wb[i].iova = inst->work_bufs[i].dma_addr; > + } else if (i == VENC_H264_VPU_WORK_BUF_SRC_LUMA || > + i == VENC_H264_VPU_WORK_BUF_SRC_CHROMA || > + i == VENC_H264_VPU_WORK_BUF_SRC_CHROMA_CB || > + i == VENC_H264_VPU_WORK_BUF_SRC_CHROMA_CR) { > + inst->work_bufs[i].size = wb[i].size; > + inst->work_bufs[i].dma_addr = 0; > + inst->work_bufs[i].va = NULL; > + wb[i].iova = inst->work_bufs[i].dma_addr; > + } else { > + inst->work_bufs[i].size = wb[i].size; > + if (mtk_vcodec_mem_alloc(inst->ctx, > + &inst->work_bufs[i])) { > + mtk_vcodec_err(inst, > + "cannot allocate buf %d", i); > + ret = -ENOMEM; > + goto err_alloc; > + } > + wb[i].iova = inst->work_bufs[i].dma_addr; > + } > + mtk_vcodec_debug(inst, "buf[%d] va=0x%p iova=0x%p size=0x%lx", > + i, inst->work_bufs[i].va, > + (void *)inst->work_bufs[i].dma_addr, > + inst->work_bufs[i].size); > + } > + > + if (enc_param->input_fourcc == VENC_YUV_FORMAT_NV12 || > + enc_param->input_fourcc == VENC_YUV_FORMAT_NV21) { > + enc_param->sizeimage[0] = > + inst->work_bufs[VENC_H264_VPU_WORK_BUF_SRC_LUMA].size; > + enc_param->sizeimage[1] = > + inst->work_bufs[VENC_H264_VPU_WORK_BUF_SRC_CHROMA].size; > + enc_param->sizeimage[2] = 0; > + } else { > + enc_param->sizeimage[0] = > + inst->work_bufs[VENC_H264_VPU_WORK_BUF_SRC_LUMA].size; > + enc_param->sizeimage[1] = > + inst->work_bufs[VENC_H264_VPU_WORK_BUF_SRC_CHROMA_CB].size; > + enc_param->sizeimage[2] = > + inst->work_bufs[VENC_H264_VPU_WORK_BUF_SRC_CHROMA_CR].size; > + } > + > + /* the pps_buf is used by AP side only */ > + inst->pps_buf.size = 128; > + if (mtk_vcodec_mem_alloc(inst->ctx, > + &inst->pps_buf)) { > + mtk_vcodec_err(inst, "cannot allocate pps_buf"); > + ret = -ENOMEM; > + goto err_alloc; > + } > + mtk_vcodec_debug_leave(inst); > + > + return ret; > + > +err_alloc: > + h264_enc_free_work_buf(inst); > + > + return ret; > +} > + > +static unsigned int h264_enc_wait_venc_done(struct venc_h264_inst *inst) > +{ > + unsigned int irq_status = 0; > + struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)inst->ctx; > + > + mtk_vcodec_wait_for_done_ctx(ctx, MTK_INST_IRQ_RECEIVED, > + WAIT_INTR_TIMEOUT, true); > + irq_status = ctx->irq_status; > + mtk_vcodec_debug(inst, "irq_status %x <-", irq_status); > + > + return irq_status; > +} > + > +static int h264_encode_sps(struct venc_h264_inst *inst, > + struct mtk_vcodec_mem *bs_buf, > + unsigned int *bs_size) > +{ > + int ret = 0; > + unsigned int irq_status; > + > + mtk_vcodec_debug_enter(inst); > + > + ret = h264_enc_vpu_encode(inst, H264_BS_MODE_SPS, NULL, > + bs_buf, bs_size); > + if (ret) > + return ret; > + > + irq_status = h264_enc_wait_venc_done(inst); > + if (irq_status != H264_IRQ_STATUS_ENC_SPS_INT) { > + mtk_vcodec_err(inst, "expect irq status %d", > + H264_IRQ_STATUS_ENC_SPS_INT); > + return -EINVAL; > + } > + > + *bs_size = h264_read_reg(inst, VENC_PIC_BITSTREAM_BYTE_CNT); > + mtk_vcodec_debug(inst, "bs size %d <-", *bs_size); > + > + return ret; > +} > + > +static int h264_encode_pps(struct venc_h264_inst *inst, > + struct mtk_vcodec_mem *bs_buf, > + unsigned int *bs_size) > +{ > + int ret = 0; > + unsigned int irq_status; > + > + mtk_vcodec_debug_enter(inst); > + > + ret = h264_enc_vpu_encode(inst, H264_BS_MODE_PPS, NULL, > + bs_buf, bs_size); > + if (ret) > + return ret; > + > + irq_status = h264_enc_wait_venc_done(inst); > + if (irq_status != H264_IRQ_STATUS_ENC_PPS_INT) { > + mtk_vcodec_err(inst, "expect irq status %d", > + H264_IRQ_STATUS_ENC_PPS_INT); > + return -EINVAL; > + } > + > + *bs_size = h264_read_reg(inst, VENC_PIC_BITSTREAM_BYTE_CNT); > + mtk_vcodec_debug(inst, "bs size %d <-", *bs_size); > + > + return ret; > +} > + > +static int h264_encode_frame(struct venc_h264_inst *inst, > + struct venc_frm_buf *frm_buf, > + struct mtk_vcodec_mem *bs_buf, > + unsigned int *bs_size) > +{ > + int ret = 0; > + unsigned int irq_status; > + > + mtk_vcodec_debug_enter(inst); > + > + ret = h264_enc_vpu_encode(inst, H264_BS_MODE_FRAME, frm_buf, > + bs_buf, bs_size); > + if (ret) > + return ret; > + > + /* > + * 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 (!inst->vpu_inst.wait_int) { > + ++inst->frm_cnt; > + return ret; > + } > + > + irq_status = h264_enc_wait_venc_done(inst); > + if (irq_status != H264_IRQ_STATUS_ENC_FRM_INT) { > + mtk_vcodec_err(inst, "irq_status=%d failed", irq_status); > + return -EINVAL; > + } > + > + *bs_size = h264_read_reg(inst, > + VENC_PIC_BITSTREAM_BYTE_CNT); > + ++inst->frm_cnt; > + mtk_vcodec_debug(inst, "frm %d bs size %d key_frm %d <-", > + inst->frm_cnt, > + *bs_size, inst->is_key_frm); > + > + return ret; > +} > + > +static void h264_encode_filler(struct venc_h264_inst *inst, 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; > + } > +} > + > +static int h264_enc_init(struct mtk_vcodec_ctx *ctx, unsigned long *handle) > +{ > + int ret = 0; > + struct venc_h264_inst *inst; > + > + inst = kzalloc(sizeof(*inst), GFP_KERNEL); > + if (!inst) > + return -ENOMEM; > + > + inst->ctx = ctx; > + inst->dev = mtk_vcodec_get_plat_dev(ctx); > + inst->hw_base = mtk_vcodec_get_reg_addr(inst->ctx, VENC_SYS); > + > + mtk_vcodec_debug_enter(inst); > + ret = h264_enc_vpu_init(inst); > + if (ret) > + kfree(inst); > + else > + (*handle) = (unsigned long)inst; > + > + mtk_vcodec_debug_leave(inst); > + > + return ret; > +} > + > +static 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_inst *inst = (struct venc_h264_inst *)handle; > + struct mtk_vcodec_ctx *ctx = inst->ctx; > + > + mtk_vcodec_debug(inst, "opt %d ->", opt); > + > + enable_irq(ctx->dev->enc_irq); > + > + 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); > + ret = h264_encode_sps(inst, bs_buf, &bs_size_sps); > + if (ret) > + goto encode_err; > + > + memset(inst->pps_buf.va, 0x49, 20); > + ret = h264_encode_pps(inst, &inst->pps_buf, &bs_size_pps); > + if (ret) > + goto encode_err; > + > + memcpy(bs_buf->va + bs_size_sps, > + inst->pps_buf.va, > + bs_size_pps); > + result->bs_size = bs_size_sps + bs_size_pps; > + result->is_key_frm = false; > + } > + break; Wrong indentation for break, put it before the '}'. > + > + case VENC_START_OPT_ENCODE_FRAME: > + if (inst->prepend_hdr) { Invert the condition to make it more readable: if (!inst->prepend_hdr) { ret = h264_encode_frame(inst, frm_buf, bs_buf, &result->bs_size); if (ret) goto encode_err; result->is_key_frm = inst->is_key_frm; break; } Now you can shift the remainder one tab to the left and join lines that are now broken up (probably because they exceed 80 chars). > + 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(inst, > + "h264_encode_frame prepend SPS/PPS"); > + ret = h264_encode_sps(inst, bs_buf, &bs_size_sps); > + if (ret) > + goto encode_err; > + > + ret = h264_encode_pps(inst, &inst->pps_buf, > + &bs_size_pps); > + if (ret) > + goto encode_err; > + > + memcpy(bs_buf->va + bs_size_sps, > + inst->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( > + inst, 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); > + > + ret = h264_encode_frame(inst, frm_buf, &tmp_bs_buf, > + &bs_size_frm); > + if (ret) > + goto encode_err; > + > + result->bs_size = hdr_sz + filler_sz + bs_size_frm; > + mtk_vcodec_debug(inst, > + "hdr %d filler %d frame %d bs %d", > + hdr_sz, filler_sz, bs_size_frm, > + result->bs_size); > + > + inst->prepend_hdr = 0; > + } else { > + ret = h264_encode_frame(inst, frm_buf, bs_buf, > + &result->bs_size); > + if (ret) > + goto encode_err; > + } > + result->is_key_frm = inst->is_key_frm; > + break; > + > + default: > + mtk_vcodec_err(inst, "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; > + > + disable_irq(ctx->dev->enc_irq); > + mtk_vcodec_debug(inst, "opt %d <-", opt); > + > + return ret; > +} > + > +static int h264_enc_set_param(unsigned long handle, > + enum venc_set_param_type type, void *in) > +{ > + int ret = 0; > + struct venc_h264_inst *inst = (struct venc_h264_inst *)handle; > + struct venc_enc_prm *enc_prm; > + > + mtk_vcodec_debug(inst, "->type=%d", type); > + > + switch (type) { > + case VENC_SET_PARAM_ENC: > + enc_prm = in; > + ret = h264_enc_vpu_set_param(inst, type, enc_prm); > + if (ret) > + break; > + if (inst->work_buf_allocated == 1) { > + h264_enc_free_work_buf(inst); > + inst->work_buf_allocated = 0; > + } > + if (inst->work_buf_allocated == 0) { > + ret = h264_enc_alloc_work_buf(inst, enc_prm); > + if (ret) > + break; > + inst->work_buf_allocated = 1; > + } > + break; > + > + case VENC_SET_PARAM_FORCE_INTRA: > + ret = h264_enc_vpu_set_param(inst, type, 0); > + break; > + > + case VENC_SET_PARAM_ADJUST_BITRATE: > + enc_prm = in; > + ret = h264_enc_vpu_set_param(inst, type, &enc_prm->bitrate); > + break; > + > + case VENC_SET_PARAM_ADJUST_FRAMERATE: > + enc_prm = in; > + ret = h264_enc_vpu_set_param(inst, type, &enc_prm->frm_rate); > + break; > + > + case VENC_SET_PARAM_I_FRAME_INTERVAL: > + ret = h264_enc_vpu_set_param(inst, type, in); > + break; > + > + case VENC_SET_PARAM_SKIP_FRAME: > + ret = h264_enc_vpu_set_param(inst, type, 0); > + break; > + > + case VENC_SET_PARAM_PREPEND_HEADER: > + inst->prepend_hdr = 1; > + mtk_vcodec_debug(inst, "set prepend header mode"); > + break; > + > + default: > + mtk_vcodec_err(inst, "type %d not supported", type); > + ret = -EINVAL; > + break; > + } > + > + mtk_vcodec_debug_leave(inst); > + > + return ret; > +} > + > +static int h264_enc_deinit(unsigned long handle) > +{ > + int ret = 0; > + struct venc_h264_inst *inst = (struct venc_h264_inst *)handle; > + > + mtk_vcodec_debug_enter(inst); > + > + ret = h264_enc_vpu_deinit(inst); > + > + if (inst->work_buf_allocated) > + h264_enc_free_work_buf(inst); > + > + mtk_vcodec_debug_leave(inst); > + kfree(inst); > + > + return ret; > +} > + > +static 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..9ac317a > --- /dev/null > +++ b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.h > @@ -0,0 +1,165 @@ > +/* > + * Copyright (c) 2015 MediaTek Inc. > + * Author: Jungchang Tsao <jungchang.tsao@xxxxxxxxxxxx> > + * Daniel Hsiao <daniel.hsiao@xxxxxxxxxxxx> > + * PoChun Lin <pochun.lin@xxxxxxxxxxxx> > + * > + * 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" > + > +/** > + * enum venc_h264_vpu_work_buf - h264 encoder buffer index > + */ > +enum venc_h264_vpu_work_buf { > + VENC_H264_VPU_WORK_BUF_RC_INFO, > + VENC_H264_VPU_WORK_BUF_RC_CODE, > + VENC_H264_VPU_WORK_BUF_REC_LUMA, > + VENC_H264_VPU_WORK_BUF_REC_CHROMA, > + VENC_H264_VPU_WORK_BUF_REF_LUMA, > + VENC_H264_VPU_WORK_BUF_REF_CHROMA, > + VENC_H264_VPU_WORK_BUF_MV_INFO_1, > + VENC_H264_VPU_WORK_BUF_MV_INFO_2, > + VENC_H264_VPU_WORK_BUF_SKIP_FRAME, > + VENC_H264_VPU_WORK_BUF_SRC_LUMA, > + VENC_H264_VPU_WORK_BUF_SRC_CHROMA, > + VENC_H264_VPU_WORK_BUF_SRC_CHROMA_CB, > + VENC_H264_VPU_WORK_BUF_SRC_CHROMA_CR, > + VENC_H264_VPU_WORK_BUF_MAX, > +}; > + > +/** > + * enum venc_h264_bs_mode - for bs_mode argument in h264_enc_vpu_encode > + */ > +enum venc_h264_bs_mode { > + H264_BS_MODE_SPS, > + H264_BS_MODE_PPS, > + H264_BS_MODE_FRAME, > +}; > + > +/* > + * struct venc_h264_vpu_config - Structure for h264 encoder configuration > + * @input_fourcc: input fourcc > + * @bitrate: target bitrate (in bps) > + * @pic_w: picture width > + * @pic_h: picture height > + * @buf_w: buffer width > + * @buf_h: buffer height > + * @intra_period: intra frame period > + * @framerate: frame rate > + * @profile: as specified in standard > + * @level: as specified in standard > + * @wfd: WFD mode 1:on, 0:off > + */ > +struct venc_h264_vpu_config { > + u32 input_fourcc; > + u32 bitrate; > + u32 pic_w; > + u32 pic_h; > + u32 buf_w; > + u32 buf_h; > + u32 intra_period; > + u32 framerate; > + u32 profile; > + u32 level; > + u32 wfd; > +}; > + > +/* > + * struct venc_h264_vpu_buf - Structure for buffer information > + * @align: buffer alignment (in bytes) > + * @iova: IO virtual address > + * @vpua: VPU side memory addr which is used by RC_CODE > + * @size: buffer size (in bytes) > + */ > +struct venc_h264_vpu_buf { > + u32 align; > + u32 iova; > + u32 vpua; > + u32 size; > +}; > + > +/* > + * struct venc_h264_vpu_drv - Structure for VPU driver control and info share > + * This structure is allocated in VPU side and shared to AP side. > + * @config: h264 encoder configuration > + * @work_bufs: working buffer information in VPU side > + * The work_bufs here is for storing the 'size' info shared to AP side. > + * The similar item in struct venc_h264_inst is for memory allocation > + * in AP side. The AP driver will copy the 'size' from here to the one in > + * struct mtk_vcodec_mem, then invoke mtk_vcodec_mem_alloc to allocate > + * the buffer. After that, bypass the 'dma_addr' to the 'iova' field here for > + * register setting in VPU side. > + */ > +struct venc_h264_vpu_drv { > + struct venc_h264_vpu_config config; > + struct venc_h264_vpu_buf work_bufs[VENC_H264_VPU_WORK_BUF_MAX]; > +}; > + > +/* > + * struct venc_h264_vpu_inst - h264 encoder VPU driver instance > + * @wq_hd: wait queue used for vpu cmd trigger then wait vpu interrupt done > + * @signaled: flag used for checking vpu interrupt done > + * @failure: flag to show vpu cmd succeeds or not > + * @state: enum venc_ipi_msg_enc_state > + * @bs_size: bitstream size for skip frame case usage > + * @wait_int: flag to wait interrupt done (0: for skip frame case, 1: normal > + * case) > + * @id: VPU instance id > + * @drv: driver structure allocated by VPU side and shared to AP side for > + * control and info share > + */ > +struct venc_h264_vpu_inst { > + wait_queue_head_t wq_hd; > + int signaled; > + int failure; > + int state; > + int bs_size; > + int wait_int; > + unsigned int id; > + struct venc_h264_vpu_drv *drv; > +}; > + > +/* > + * struct venc_h264_inst - h264 encoder AP driver instance > + * @hw_base: h264 encoder hardware register base > + * @work_bufs: working buffer > + * @pps_buf: buffer to store the pps bitstream > + * @work_buf_allocated: 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_inst { > + void __iomem *hw_base; > + struct mtk_vcodec_mem work_bufs[VENC_H264_VPU_WORK_BUF_MAX]; > + struct mtk_vcodec_mem pps_buf; > + bool work_buf_allocated; > + 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..450be45 > --- /dev/null > +++ b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.c > @@ -0,0 +1,309 @@ > +/* > + * Copyright (c) 2015 MediaTek Inc. > + * Author: Jungchang Tsao <jungchang.tsao@xxxxxxxxxxxx> > + * Daniel Hsiao <daniel.hsiao@xxxxxxxxxxxx> > + * PoChun Lin <pochun.lin@xxxxxxxxxxxx> > + * > + * 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.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_inst *inst, void *data) > +{ > + struct venc_vpu_ipi_msg_init *msg = data; > + > + inst->vpu_inst.id = msg->inst_id; > + inst->vpu_inst.drv = (struct venc_h264_vpu_drv *)vpu_mapping_dm_addr( > + inst->dev, msg->inst_id); > +} > + > +static void handle_h264_enc_encode_msg(struct venc_h264_inst *inst, void *data) > +{ > + struct venc_vpu_ipi_msg_enc *msg = data; > + > + inst->vpu_inst.state = msg->state; > + inst->vpu_inst.bs_size = msg->bs_size; > + inst->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_inst *inst = (struct venc_h264_inst *)msg->venc_inst; > + > + mtk_vcodec_debug(inst, "msg_id %x inst %p status %d", > + msg->msg_id, inst, msg->status); > + > + switch (msg->msg_id) { > + case VPU_IPIMSG_H264_ENC_INIT_DONE: > + handle_h264_enc_init_msg(inst, data); > + break; > + case VPU_IPIMSG_H264_ENC_SET_PARAM_DONE: > + break; > + case VPU_IPIMSG_H264_ENC_ENCODE_DONE: > + handle_h264_enc_encode_msg(inst, data); > + break; > + case VPU_IPIMSG_H264_ENC_DEINIT_DONE: > + break; > + default: > + mtk_vcodec_err(inst, "unknown msg id %x", msg->msg_id); > + break; > + } > + > + inst->vpu_inst.signaled = 1; > + inst->vpu_inst.failure = (msg->status != VENC_IPI_MSG_STATUS_OK); > + > + mtk_vcodec_debug_leave(inst); > +} > + > +static int h264_enc_vpu_send_msg(struct venc_h264_inst *inst, void *msg, > + int len) > +{ > + int status; > + > + mtk_vcodec_debug_enter(inst); > + status = vpu_ipi_send(inst->dev, IPI_VENC_H264, msg, len); > + if (status) { > + mtk_vcodec_err(inst, "vpu_ipi_send msg %x len %d fail %d", > + *(unsigned int *)msg, len, status); > + return -EINVAL; > + } > + mtk_vcodec_debug_leave(inst); > + > + return 0; > +} > + > +int h264_enc_vpu_init(struct venc_h264_inst *inst) > +{ > + int status; > + struct venc_ap_ipi_msg_init out; > + > + mtk_vcodec_debug_enter(inst); > + > + init_waitqueue_head(&inst->vpu_inst.wq_hd); > + inst->vpu_inst.signaled = 0; > + inst->vpu_inst.failure = 0; > + > + status = vpu_ipi_register(inst->dev, IPI_VENC_H264, > + h264_enc_vpu_ipi_handler, > + "h264_enc", NULL); > + if (status) { > + mtk_vcodec_err(inst, "vpu_ipi_register fail %d", status); > + return -EINVAL; > + } > + > + out.msg_id = AP_IPIMSG_H264_ENC_INIT; > + out.venc_inst = (unsigned long)inst; > + if (h264_enc_vpu_send_msg(inst, &out, sizeof(out)) || > + inst->vpu_inst.failure) { > + mtk_vcodec_err(inst, "AP_IPIMSG_H264_ENC_INIT failed"); > + return -EINVAL; > + } > + > + mtk_vcodec_debug_leave(inst); > + > + return 0; > +} > + > +int h264_enc_vpu_set_param(struct venc_h264_inst *inst, unsigned int id, > + void *param) > +{ > + struct venc_ap_ipi_msg_set_param out; > + > + mtk_vcodec_debug(inst, "id %d ->", id); > + > + out.msg_id = AP_IPIMSG_H264_ENC_SET_PARAM; > + out.inst_id = inst->vpu_inst.id; > + out.param_id = id; > + switch (id) { > + case VENC_SET_PARAM_ENC: { > + struct venc_enc_prm *enc_param = (struct venc_enc_prm *)param; > + > + inst->vpu_inst.drv->config.input_fourcc = > + enc_param->input_fourcc; > + inst->vpu_inst.drv->config.bitrate = enc_param->bitrate; > + inst->vpu_inst.drv->config.pic_w = enc_param->width; > + inst->vpu_inst.drv->config.pic_h = enc_param->height; > + inst->vpu_inst.drv->config.buf_w = enc_param->buf_width; > + inst->vpu_inst.drv->config.buf_h = enc_param->buf_height; > + inst->vpu_inst.drv->config.intra_period = > + enc_param->intra_period; > + inst->vpu_inst.drv->config.framerate = enc_param->frm_rate; > + inst->vpu_inst.drv->config.profile = > + h264_get_profile(enc_param->h264_profile); > + inst->vpu_inst.drv->config.level = > + h264_get_level(enc_param->h264_level); > + inst->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(inst, &out, sizeof(out)) || > + inst->vpu_inst.failure) { > + mtk_vcodec_err(inst, > + "AP_IPIMSG_H264_ENC_SET_PARAM %d fail", id); > + return -EINVAL; > + } > + > + mtk_vcodec_debug(inst, "id %d <-", id); > + > + return 0; > +} > + > +int h264_enc_vpu_encode(struct venc_h264_inst *inst, unsigned int bs_mode, > + struct venc_frm_buf *frm_buf, > + struct mtk_vcodec_mem *bs_buf, > + unsigned int *bs_size) > +{ > + struct venc_ap_ipi_msg_enc out; > + > + mtk_vcodec_debug(inst, "bs_mode %d ->", bs_mode); > + > + out.msg_id = AP_IPIMSG_H264_ENC_ENCODE; > + out.inst_id = inst->vpu_inst.id; > + out.bs_mode = bs_mode; > + if (frm_buf) { > + if ((frm_buf->fb_addr.dma_addr % 16 == 0) && > + (frm_buf->fb_addr1.dma_addr % 16 == 0) && > + (frm_buf->fb_addr2.dma_addr % 16 == 0)) { > + 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 { > + mtk_vcodec_err(inst, "dma_addr not align to 16"); > + return -EINVAL; > + } > + } 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(inst, &out, sizeof(out)) || > + inst->vpu_inst.failure) { > + mtk_vcodec_err(inst, "AP_IPIMSG_H264_ENC_ENCODE %d fail", > + bs_mode); > + return -EINVAL; > + } > + > + mtk_vcodec_debug(inst, "state %d size %d key_frm %d", > + inst->vpu_inst.state, inst->vpu_inst.bs_size, > + inst->is_key_frm); > + > + inst->vpu_inst.wait_int = 1; > + if (inst->vpu_inst.state == VEN_IPI_MSG_ENC_STATE_SKIP) { > + *bs_size = inst->vpu_inst.bs_size; > + memcpy(bs_buf->va, > + inst->work_bufs[VENC_H264_VPU_WORK_BUF_SKIP_FRAME].va, > + *bs_size); > + inst->vpu_inst.wait_int = 0; > + } > + > + mtk_vcodec_debug(inst, "bs_mode %d <-", bs_mode); > + > + return 0; > +} > + > +int h264_enc_vpu_deinit(struct venc_h264_inst *inst) > +{ > + struct venc_ap_ipi_msg_deinit out; > + > + mtk_vcodec_debug_enter(inst); > + > + out.msg_id = AP_IPIMSG_H264_ENC_DEINIT; > + out.inst_id = inst->vpu_inst.id; > + if (h264_enc_vpu_send_msg(inst, &out, sizeof(out)) || > + inst->vpu_inst.failure) { > + mtk_vcodec_err(inst, "AP_IPIMSG_H264_ENC_DEINIT fail"); > + return -EINVAL; > + } > + > + mtk_vcodec_debug_leave(inst); > + > + return 0; > +} > diff --git a/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.h b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.h > new file mode 100644 > index 0000000..deccc6f > --- /dev/null > +++ b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.h > @@ -0,0 +1,30 @@ > +/* > + * Copyright (c) 2015 MediaTek Inc. > + * Author: Jungchang Tsao <jungchang.tsao@xxxxxxxxxxxx> > + * Daniel Hsiao <daniel.hsiao@xxxxxxxxxxxx> > + * PoChun Lin <pochun.lin@xxxxxxxxxxxx> > + * > + * 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_VPU_H_ > +#define _VENC_H264_VPU_H_ > + > +int h264_enc_vpu_init(struct venc_h264_inst *inst); > +int h264_enc_vpu_set_param(struct venc_h264_inst *inst, unsigned int id, > + void *param); > +int h264_enc_vpu_encode(struct venc_h264_inst *inst, unsigned int bs_mode, > + struct venc_frm_buf *frm_buf, > + struct mtk_vcodec_mem *bs_buf, > + unsigned int *bs_size); > +int h264_enc_vpu_deinit(struct venc_h264_inst *inst); > + > +#endif > diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_if.c b/drivers/media/platform/mtk-vcodec/venc_drv_if.c > index d293f2c..28ef4a7 100644 > --- a/drivers/media/platform/mtk-vcodec/venc_drv_if.c > +++ b/drivers/media/platform/mtk-vcodec/venc_drv_if.c > @@ -25,6 +25,7 @@ > > #include "venc_drv_base.h" > #include "vp8_enc/venc_vp8_if.h" > +#include "h264_enc/venc_h264_if.h" > > int venc_if_create(struct mtk_vcodec_ctx *ctx, unsigned int fourcc) > { > @@ -38,6 +39,8 @@ int venc_if_create(struct mtk_vcodec_ctx *ctx, unsigned int fourcc) > ctx->enc_if = get_vp8_enc_comm_if(); > break; > case V4L2_PIX_FMT_H264: > + ctx->enc_if = get_h264_enc_comm_if(); > + break; > default: > return -EINVAL; > } > Regards, Hans -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html