From: Ezequiel Garcia <ezequiel@collabora.com> To: linux-media@vger.kernel.org Cc: Hans Verkuil <hans.verkuil@cisco.com>, kernel@collabora.com, Nicolas Dufresne <nicolas.dufresne@collabora.com>, Tomasz Figa <tfiga@chromium.org>, linux-rockchip@lists.infradead.org, Heiko Stuebner <heiko@sntech.de>, Jonas Karlman <jonas@kwiboo.se>, Ezequiel Garcia <ezequiel@collabora.com> Subject: [PATCH 05/10] rockchip/vpu: Cleanup JPEG bounce buffer management Date: Tue, 5 Feb 2019 17:24:12 -0300 [thread overview] Message-ID: <20190205202417.16555-6-ezequiel@collabora.com> (raw) In-Reply-To: <20190205202417.16555-1-ezequiel@collabora.com> In order to make the code more generic, introduce a pair of start/stop codec operations, and use them to allocate and release the JPEG bounce buffer. Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com> --- .../media/rockchip/vpu/rk3288_vpu_hw.c | 2 ++ .../rockchip/vpu/rk3288_vpu_hw_jpeg_enc.c | 4 +-- .../media/rockchip/vpu/rk3399_vpu_hw.c | 2 ++ .../rockchip/vpu/rk3399_vpu_hw_jpeg_enc.c | 4 +-- .../staging/media/rockchip/vpu/rockchip_vpu.h | 12 ++++---- .../media/rockchip/vpu/rockchip_vpu_drv.c | 10 +++++-- .../media/rockchip/vpu/rockchip_vpu_enc.c | 23 +++++---------- .../media/rockchip/vpu/rockchip_vpu_hw.h | 28 +++++++++++++++++++ .../media/rockchip/vpu/rockchip_vpu_jpeg.c | 25 +++++++++++++++++ 9 files changed, 81 insertions(+), 29 deletions(-) diff --git a/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c b/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c index a5e9d183fffd..056ee017c798 100644 --- a/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c +++ b/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c @@ -98,6 +98,8 @@ static const struct rockchip_vpu_codec_ops rk3288_vpu_codec_ops[] = { [RK_VPU_MODE_JPEG_ENC] = { .run = rk3288_vpu_jpeg_enc_run, .reset = rk3288_vpu_enc_reset, + .start = rockchip_vpu_jpeg_enc_start, + .stop = rockchip_vpu_jpeg_enc_stop, }, }; diff --git a/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw_jpeg_enc.c b/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw_jpeg_enc.c index 5282236d1bb1..9275905e2276 100644 --- a/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw_jpeg_enc.c +++ b/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw_jpeg_enc.c @@ -37,9 +37,9 @@ static void rk3288_vpu_jpeg_enc_set_buffers(struct rockchip_vpu_dev *vpu, WARN_ON(pix_fmt->num_planes > 3); - vepu_write_relaxed(vpu, ctx->bounce_dma_addr, + vepu_write_relaxed(vpu, ctx->jpeg_enc_ctx.bounce_buffer.dma, VEPU_REG_ADDR_OUTPUT_STREAM); - vepu_write_relaxed(vpu, ctx->bounce_size, + vepu_write_relaxed(vpu, ctx->jpeg_enc_ctx.bounce_buffer.size, VEPU_REG_STR_BUF_LIMIT); if (pix_fmt->num_planes == 1) { diff --git a/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw.c b/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw.c index 6fdef61e2127..8469e474c975 100644 --- a/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw.c +++ b/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw.c @@ -98,6 +98,8 @@ static const struct rockchip_vpu_codec_ops rk3399_vpu_codec_ops[] = { [RK_VPU_MODE_JPEG_ENC] = { .run = rk3399_vpu_jpeg_enc_run, .reset = rk3399_vpu_enc_reset, + .start = rockchip_vpu_jpeg_enc_start, + .stop = rockchip_vpu_jpeg_enc_stop, }, }; diff --git a/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw_jpeg_enc.c b/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw_jpeg_enc.c index dbc86d95fe3b..222b6a3aa25e 100644 --- a/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw_jpeg_enc.c +++ b/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw_jpeg_enc.c @@ -69,9 +69,9 @@ static void rk3399_vpu_jpeg_enc_set_buffers(struct rockchip_vpu_dev *vpu, WARN_ON(pix_fmt->num_planes > 3); - vepu_write_relaxed(vpu, ctx->bounce_dma_addr, + vepu_write_relaxed(vpu, ctx->jpeg_enc_ctx.bounce_buffer.dma, VEPU_REG_ADDR_OUTPUT_STREAM); - vepu_write_relaxed(vpu, ctx->bounce_size, + vepu_write_relaxed(vpu, ctx->jpeg_enc_ctx.bounce_buffer.size, VEPU_REG_STR_BUF_LIMIT); if (pix_fmt->num_planes == 1) { diff --git a/drivers/staging/media/rockchip/vpu/rockchip_vpu.h b/drivers/staging/media/rockchip/vpu/rockchip_vpu.h index 1ec2be483e27..76ee24abc141 100644 --- a/drivers/staging/media/rockchip/vpu/rockchip_vpu.h +++ b/drivers/staging/media/rockchip/vpu/rockchip_vpu.h @@ -124,10 +124,7 @@ struct rockchip_vpu_dev { * @jpeg_quality: User-specified JPEG compression quality. * * @codec_ops: Set of operations related to codec mode. - * - * @bounce_dma_addr: Bounce buffer bus address. - * @bounce_buf: Bounce buffer pointer. - * @bounce_size: Bounce buffer size. + * @jpeg_enc_ctx: JPEG-encoding context. */ struct rockchip_vpu_ctx { struct rockchip_vpu_dev *dev; @@ -146,9 +143,10 @@ struct rockchip_vpu_ctx { const struct rockchip_vpu_codec_ops *codec_ops; - dma_addr_t bounce_dma_addr; - void *bounce_buf; - size_t bounce_size; + /* Specific for particular codec modes. */ + union { + struct rockchip_vpu_jpeg_enc_hw_ctx jpeg_enc_ctx; + }; }; /** diff --git a/drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c b/drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c index c332dbeb9dbc..962748ae3822 100644 --- a/drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c +++ b/drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c @@ -64,10 +64,16 @@ static void rockchip_vpu_job_finish(struct rockchip_vpu_dev *vpu, avail_size = vb2_plane_size(&dst->vb2_buf, 0) - ctx->vpu_dst_fmt->header_size; if (bytesused <= avail_size) { - if (ctx->bounce_buf) { + /* + * This works while JPEG is the only encoder this driver + * supports. We will have to abstract this step, or get + * rid of the bounce buffer before we can support + * encoding other codecs. + */ + if (ctx->jpeg_enc_ctx.bounce_buffer.cpu) { memcpy(vb2_plane_vaddr(&dst->vb2_buf, 0) + ctx->vpu_dst_fmt->header_size, - ctx->bounce_buf, bytesused); + ctx->jpeg_enc_ctx.bounce_buffer.cpu, bytesused); } dst->vb2_buf.planes[0].bytesused = ctx->vpu_dst_fmt->header_size + bytesused; diff --git a/drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c b/drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c index ae1ff3d9b9d2..2b28403314bc 100644 --- a/drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c +++ b/drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c @@ -514,6 +514,7 @@ static int rockchip_vpu_start_streaming(struct vb2_queue *q, unsigned int count) { struct rockchip_vpu_ctx *ctx = vb2_get_drv_priv(q); enum rockchip_vpu_codec_mode codec_mode; + int ret = 0; if (V4L2_TYPE_IS_OUTPUT(q->type)) ctx->sequence_out = 0; @@ -526,17 +527,10 @@ static int rockchip_vpu_start_streaming(struct vb2_queue *q, unsigned int count) vpu_debug(4, "Codec mode = %d\n", codec_mode); ctx->codec_ops = &ctx->dev->variant->codec_ops[codec_mode]; - /* A bounce buffer is needed for the JPEG payload */ - if (!V4L2_TYPE_IS_OUTPUT(q->type)) { - ctx->bounce_size = ctx->dst_fmt.plane_fmt[0].sizeimage - - ctx->vpu_dst_fmt->header_size; - ctx->bounce_buf = dma_alloc_attrs(ctx->dev->dev, - ctx->bounce_size, - &ctx->bounce_dma_addr, - GFP_KERNEL, - DMA_ATTR_ALLOC_SINGLE_PAGES); - } - return 0; + if (!V4L2_TYPE_IS_OUTPUT(q->type)) + if (ctx->codec_ops && ctx->codec_ops->start) + ret = ctx->codec_ops->start(ctx); + return ret; } static void rockchip_vpu_stop_streaming(struct vb2_queue *q) @@ -544,11 +538,8 @@ static void rockchip_vpu_stop_streaming(struct vb2_queue *q) struct rockchip_vpu_ctx *ctx = vb2_get_drv_priv(q); if (!V4L2_TYPE_IS_OUTPUT(q->type)) - dma_free_attrs(ctx->dev->dev, - ctx->bounce_size, - ctx->bounce_buf, - ctx->bounce_dma_addr, - DMA_ATTR_ALLOC_SINGLE_PAGES); + if (ctx->codec_ops && ctx->codec_ops->stop) + ctx->codec_ops->stop(ctx); /* * The mem2mem framework calls v4l2_m2m_cancel_job before diff --git a/drivers/staging/media/rockchip/vpu/rockchip_vpu_hw.h b/drivers/staging/media/rockchip/vpu/rockchip_vpu_hw.h index 2b955da1be1a..e2e84526f263 100644 --- a/drivers/staging/media/rockchip/vpu/rockchip_vpu_hw.h +++ b/drivers/staging/media/rockchip/vpu/rockchip_vpu_hw.h @@ -18,9 +18,33 @@ struct rockchip_vpu_ctx; struct rockchip_vpu_buf; struct rockchip_vpu_variant; +/** + * struct rockchip_vpu_aux_buf - auxiliary DMA buffer for hardware data + * @cpu: CPU pointer to the buffer. + * @dma: DMA address of the buffer. + * @size: Size of the buffer. + */ +struct rockchip_vpu_aux_buf { + void *cpu; + dma_addr_t dma; + size_t size; +}; + +/** + * struct rockchip_vpu_jpeg_enc_hw_ctx + * @bounce_buffer: Bounce buffer + */ +struct rockchip_vpu_jpeg_enc_hw_ctx { + struct rockchip_vpu_aux_buf bounce_buffer; +}; + /** * struct rockchip_vpu_codec_ops - codec mode specific operations * + * @start: If needed, can be used for initialization. + * Optional and called from process context. + * @stop: If needed, can be used to undo the .start phase. + * Optional and called from process context. * @run: Start single {en,de)coding job. Called from atomic context * to indicate that a pair of buffers is ready and the hardware * should be programmed and started. @@ -28,6 +52,8 @@ struct rockchip_vpu_variant; * @reset: Reset the hardware in case of a timeout. */ struct rockchip_vpu_codec_ops { + int (*start)(struct rockchip_vpu_ctx *ctx); + void (*stop)(struct rockchip_vpu_ctx *ctx); void (*run)(struct rockchip_vpu_ctx *ctx); void (*done)(struct rockchip_vpu_ctx *ctx, enum vb2_buffer_state); void (*reset)(struct rockchip_vpu_ctx *ctx); @@ -54,5 +80,7 @@ void rockchip_vpu_irq_done(struct rockchip_vpu_dev *vpu, void rk3288_vpu_jpeg_enc_run(struct rockchip_vpu_ctx *ctx); void rk3399_vpu_jpeg_enc_run(struct rockchip_vpu_ctx *ctx); +int rockchip_vpu_jpeg_enc_start(struct rockchip_vpu_ctx *ctx); +void rockchip_vpu_jpeg_enc_stop(struct rockchip_vpu_ctx *ctx); #endif /* ROCKCHIP_VPU_HW_H_ */ diff --git a/drivers/staging/media/rockchip/vpu/rockchip_vpu_jpeg.c b/drivers/staging/media/rockchip/vpu/rockchip_vpu_jpeg.c index 0ff0badc1f7a..3244cca4e915 100644 --- a/drivers/staging/media/rockchip/vpu/rockchip_vpu_jpeg.c +++ b/drivers/staging/media/rockchip/vpu/rockchip_vpu_jpeg.c @@ -6,9 +6,11 @@ * Copyright (C) Jean-Francois Moine (http://moinejf.free.fr) * Copyright (C) 2014 Philipp Zabel, Pengutronix */ +#include <linux/dma-mapping.h> #include <linux/kernel.h> #include <linux/string.h> #include "rockchip_vpu_jpeg.h" +#include "rockchip_vpu.h" #define LUMA_QUANT_OFF 7 #define CHROMA_QUANT_OFF 72 @@ -288,3 +290,26 @@ void rockchip_vpu_jpeg_header_assemble(struct rockchip_vpu_jpeg_ctx *ctx) jpeg_set_quality(buf, ctx->quality); } + +int rockchip_vpu_jpeg_enc_start(struct rockchip_vpu_ctx *ctx) +{ + ctx->jpeg_enc_ctx.bounce_buffer.size = ctx->dst_fmt.plane_fmt[0].sizeimage - + ctx->vpu_dst_fmt->header_size; + ctx->jpeg_enc_ctx.bounce_buffer.cpu = dma_alloc_attrs(ctx->dev->dev, + ctx->jpeg_enc_ctx.bounce_buffer.size, + &ctx->jpeg_enc_ctx.bounce_buffer.dma, + GFP_KERNEL, + DMA_ATTR_ALLOC_SINGLE_PAGES); + if (!ctx->jpeg_enc_ctx.bounce_buffer.cpu) + return -ENOMEM; + return 0; +} + +void rockchip_vpu_jpeg_enc_stop(struct rockchip_vpu_ctx *ctx) +{ + dma_free_attrs(ctx->dev->dev, + ctx->jpeg_enc_ctx.bounce_buffer.size, + ctx->jpeg_enc_ctx.bounce_buffer.cpu, + ctx->jpeg_enc_ctx.bounce_buffer.dma, + DMA_ATTR_ALLOC_SINGLE_PAGES); +} -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Ezequiel Garcia <ezequiel-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> To: linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Nicolas Dufresne <nicolas.dufresne-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>, Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>, Jonas Karlman <jonas-uIzNG4q0ceqzQB+pC5nmwQ@public.gmane.org>, Tomasz Figa <tfiga-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Hans Verkuil <hans.verkuil-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>, kernel-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org, Ezequiel Garcia <ezequiel-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> Subject: [PATCH 05/10] rockchip/vpu: Cleanup JPEG bounce buffer management Date: Tue, 5 Feb 2019 17:24:12 -0300 [thread overview] Message-ID: <20190205202417.16555-6-ezequiel@collabora.com> (raw) In-Reply-To: <20190205202417.16555-1-ezequiel-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> In order to make the code more generic, introduce a pair of start/stop codec operations, and use them to allocate and release the JPEG bounce buffer. Signed-off-by: Ezequiel Garcia <ezequiel-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> --- .../media/rockchip/vpu/rk3288_vpu_hw.c | 2 ++ .../rockchip/vpu/rk3288_vpu_hw_jpeg_enc.c | 4 +-- .../media/rockchip/vpu/rk3399_vpu_hw.c | 2 ++ .../rockchip/vpu/rk3399_vpu_hw_jpeg_enc.c | 4 +-- .../staging/media/rockchip/vpu/rockchip_vpu.h | 12 ++++---- .../media/rockchip/vpu/rockchip_vpu_drv.c | 10 +++++-- .../media/rockchip/vpu/rockchip_vpu_enc.c | 23 +++++---------- .../media/rockchip/vpu/rockchip_vpu_hw.h | 28 +++++++++++++++++++ .../media/rockchip/vpu/rockchip_vpu_jpeg.c | 25 +++++++++++++++++ 9 files changed, 81 insertions(+), 29 deletions(-) diff --git a/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c b/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c index a5e9d183fffd..056ee017c798 100644 --- a/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c +++ b/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c @@ -98,6 +98,8 @@ static const struct rockchip_vpu_codec_ops rk3288_vpu_codec_ops[] = { [RK_VPU_MODE_JPEG_ENC] = { .run = rk3288_vpu_jpeg_enc_run, .reset = rk3288_vpu_enc_reset, + .start = rockchip_vpu_jpeg_enc_start, + .stop = rockchip_vpu_jpeg_enc_stop, }, }; diff --git a/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw_jpeg_enc.c b/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw_jpeg_enc.c index 5282236d1bb1..9275905e2276 100644 --- a/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw_jpeg_enc.c +++ b/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw_jpeg_enc.c @@ -37,9 +37,9 @@ static void rk3288_vpu_jpeg_enc_set_buffers(struct rockchip_vpu_dev *vpu, WARN_ON(pix_fmt->num_planes > 3); - vepu_write_relaxed(vpu, ctx->bounce_dma_addr, + vepu_write_relaxed(vpu, ctx->jpeg_enc_ctx.bounce_buffer.dma, VEPU_REG_ADDR_OUTPUT_STREAM); - vepu_write_relaxed(vpu, ctx->bounce_size, + vepu_write_relaxed(vpu, ctx->jpeg_enc_ctx.bounce_buffer.size, VEPU_REG_STR_BUF_LIMIT); if (pix_fmt->num_planes == 1) { diff --git a/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw.c b/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw.c index 6fdef61e2127..8469e474c975 100644 --- a/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw.c +++ b/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw.c @@ -98,6 +98,8 @@ static const struct rockchip_vpu_codec_ops rk3399_vpu_codec_ops[] = { [RK_VPU_MODE_JPEG_ENC] = { .run = rk3399_vpu_jpeg_enc_run, .reset = rk3399_vpu_enc_reset, + .start = rockchip_vpu_jpeg_enc_start, + .stop = rockchip_vpu_jpeg_enc_stop, }, }; diff --git a/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw_jpeg_enc.c b/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw_jpeg_enc.c index dbc86d95fe3b..222b6a3aa25e 100644 --- a/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw_jpeg_enc.c +++ b/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw_jpeg_enc.c @@ -69,9 +69,9 @@ static void rk3399_vpu_jpeg_enc_set_buffers(struct rockchip_vpu_dev *vpu, WARN_ON(pix_fmt->num_planes > 3); - vepu_write_relaxed(vpu, ctx->bounce_dma_addr, + vepu_write_relaxed(vpu, ctx->jpeg_enc_ctx.bounce_buffer.dma, VEPU_REG_ADDR_OUTPUT_STREAM); - vepu_write_relaxed(vpu, ctx->bounce_size, + vepu_write_relaxed(vpu, ctx->jpeg_enc_ctx.bounce_buffer.size, VEPU_REG_STR_BUF_LIMIT); if (pix_fmt->num_planes == 1) { diff --git a/drivers/staging/media/rockchip/vpu/rockchip_vpu.h b/drivers/staging/media/rockchip/vpu/rockchip_vpu.h index 1ec2be483e27..76ee24abc141 100644 --- a/drivers/staging/media/rockchip/vpu/rockchip_vpu.h +++ b/drivers/staging/media/rockchip/vpu/rockchip_vpu.h @@ -124,10 +124,7 @@ struct rockchip_vpu_dev { * @jpeg_quality: User-specified JPEG compression quality. * * @codec_ops: Set of operations related to codec mode. - * - * @bounce_dma_addr: Bounce buffer bus address. - * @bounce_buf: Bounce buffer pointer. - * @bounce_size: Bounce buffer size. + * @jpeg_enc_ctx: JPEG-encoding context. */ struct rockchip_vpu_ctx { struct rockchip_vpu_dev *dev; @@ -146,9 +143,10 @@ struct rockchip_vpu_ctx { const struct rockchip_vpu_codec_ops *codec_ops; - dma_addr_t bounce_dma_addr; - void *bounce_buf; - size_t bounce_size; + /* Specific for particular codec modes. */ + union { + struct rockchip_vpu_jpeg_enc_hw_ctx jpeg_enc_ctx; + }; }; /** diff --git a/drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c b/drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c index c332dbeb9dbc..962748ae3822 100644 --- a/drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c +++ b/drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c @@ -64,10 +64,16 @@ static void rockchip_vpu_job_finish(struct rockchip_vpu_dev *vpu, avail_size = vb2_plane_size(&dst->vb2_buf, 0) - ctx->vpu_dst_fmt->header_size; if (bytesused <= avail_size) { - if (ctx->bounce_buf) { + /* + * This works while JPEG is the only encoder this driver + * supports. We will have to abstract this step, or get + * rid of the bounce buffer before we can support + * encoding other codecs. + */ + if (ctx->jpeg_enc_ctx.bounce_buffer.cpu) { memcpy(vb2_plane_vaddr(&dst->vb2_buf, 0) + ctx->vpu_dst_fmt->header_size, - ctx->bounce_buf, bytesused); + ctx->jpeg_enc_ctx.bounce_buffer.cpu, bytesused); } dst->vb2_buf.planes[0].bytesused = ctx->vpu_dst_fmt->header_size + bytesused; diff --git a/drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c b/drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c index ae1ff3d9b9d2..2b28403314bc 100644 --- a/drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c +++ b/drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c @@ -514,6 +514,7 @@ static int rockchip_vpu_start_streaming(struct vb2_queue *q, unsigned int count) { struct rockchip_vpu_ctx *ctx = vb2_get_drv_priv(q); enum rockchip_vpu_codec_mode codec_mode; + int ret = 0; if (V4L2_TYPE_IS_OUTPUT(q->type)) ctx->sequence_out = 0; @@ -526,17 +527,10 @@ static int rockchip_vpu_start_streaming(struct vb2_queue *q, unsigned int count) vpu_debug(4, "Codec mode = %d\n", codec_mode); ctx->codec_ops = &ctx->dev->variant->codec_ops[codec_mode]; - /* A bounce buffer is needed for the JPEG payload */ - if (!V4L2_TYPE_IS_OUTPUT(q->type)) { - ctx->bounce_size = ctx->dst_fmt.plane_fmt[0].sizeimage - - ctx->vpu_dst_fmt->header_size; - ctx->bounce_buf = dma_alloc_attrs(ctx->dev->dev, - ctx->bounce_size, - &ctx->bounce_dma_addr, - GFP_KERNEL, - DMA_ATTR_ALLOC_SINGLE_PAGES); - } - return 0; + if (!V4L2_TYPE_IS_OUTPUT(q->type)) + if (ctx->codec_ops && ctx->codec_ops->start) + ret = ctx->codec_ops->start(ctx); + return ret; } static void rockchip_vpu_stop_streaming(struct vb2_queue *q) @@ -544,11 +538,8 @@ static void rockchip_vpu_stop_streaming(struct vb2_queue *q) struct rockchip_vpu_ctx *ctx = vb2_get_drv_priv(q); if (!V4L2_TYPE_IS_OUTPUT(q->type)) - dma_free_attrs(ctx->dev->dev, - ctx->bounce_size, - ctx->bounce_buf, - ctx->bounce_dma_addr, - DMA_ATTR_ALLOC_SINGLE_PAGES); + if (ctx->codec_ops && ctx->codec_ops->stop) + ctx->codec_ops->stop(ctx); /* * The mem2mem framework calls v4l2_m2m_cancel_job before diff --git a/drivers/staging/media/rockchip/vpu/rockchip_vpu_hw.h b/drivers/staging/media/rockchip/vpu/rockchip_vpu_hw.h index 2b955da1be1a..e2e84526f263 100644 --- a/drivers/staging/media/rockchip/vpu/rockchip_vpu_hw.h +++ b/drivers/staging/media/rockchip/vpu/rockchip_vpu_hw.h @@ -18,9 +18,33 @@ struct rockchip_vpu_ctx; struct rockchip_vpu_buf; struct rockchip_vpu_variant; +/** + * struct rockchip_vpu_aux_buf - auxiliary DMA buffer for hardware data + * @cpu: CPU pointer to the buffer. + * @dma: DMA address of the buffer. + * @size: Size of the buffer. + */ +struct rockchip_vpu_aux_buf { + void *cpu; + dma_addr_t dma; + size_t size; +}; + +/** + * struct rockchip_vpu_jpeg_enc_hw_ctx + * @bounce_buffer: Bounce buffer + */ +struct rockchip_vpu_jpeg_enc_hw_ctx { + struct rockchip_vpu_aux_buf bounce_buffer; +}; + /** * struct rockchip_vpu_codec_ops - codec mode specific operations * + * @start: If needed, can be used for initialization. + * Optional and called from process context. + * @stop: If needed, can be used to undo the .start phase. + * Optional and called from process context. * @run: Start single {en,de)coding job. Called from atomic context * to indicate that a pair of buffers is ready and the hardware * should be programmed and started. @@ -28,6 +52,8 @@ struct rockchip_vpu_variant; * @reset: Reset the hardware in case of a timeout. */ struct rockchip_vpu_codec_ops { + int (*start)(struct rockchip_vpu_ctx *ctx); + void (*stop)(struct rockchip_vpu_ctx *ctx); void (*run)(struct rockchip_vpu_ctx *ctx); void (*done)(struct rockchip_vpu_ctx *ctx, enum vb2_buffer_state); void (*reset)(struct rockchip_vpu_ctx *ctx); @@ -54,5 +80,7 @@ void rockchip_vpu_irq_done(struct rockchip_vpu_dev *vpu, void rk3288_vpu_jpeg_enc_run(struct rockchip_vpu_ctx *ctx); void rk3399_vpu_jpeg_enc_run(struct rockchip_vpu_ctx *ctx); +int rockchip_vpu_jpeg_enc_start(struct rockchip_vpu_ctx *ctx); +void rockchip_vpu_jpeg_enc_stop(struct rockchip_vpu_ctx *ctx); #endif /* ROCKCHIP_VPU_HW_H_ */ diff --git a/drivers/staging/media/rockchip/vpu/rockchip_vpu_jpeg.c b/drivers/staging/media/rockchip/vpu/rockchip_vpu_jpeg.c index 0ff0badc1f7a..3244cca4e915 100644 --- a/drivers/staging/media/rockchip/vpu/rockchip_vpu_jpeg.c +++ b/drivers/staging/media/rockchip/vpu/rockchip_vpu_jpeg.c @@ -6,9 +6,11 @@ * Copyright (C) Jean-Francois Moine (http://moinejf.free.fr) * Copyright (C) 2014 Philipp Zabel, Pengutronix */ +#include <linux/dma-mapping.h> #include <linux/kernel.h> #include <linux/string.h> #include "rockchip_vpu_jpeg.h" +#include "rockchip_vpu.h" #define LUMA_QUANT_OFF 7 #define CHROMA_QUANT_OFF 72 @@ -288,3 +290,26 @@ void rockchip_vpu_jpeg_header_assemble(struct rockchip_vpu_jpeg_ctx *ctx) jpeg_set_quality(buf, ctx->quality); } + +int rockchip_vpu_jpeg_enc_start(struct rockchip_vpu_ctx *ctx) +{ + ctx->jpeg_enc_ctx.bounce_buffer.size = ctx->dst_fmt.plane_fmt[0].sizeimage - + ctx->vpu_dst_fmt->header_size; + ctx->jpeg_enc_ctx.bounce_buffer.cpu = dma_alloc_attrs(ctx->dev->dev, + ctx->jpeg_enc_ctx.bounce_buffer.size, + &ctx->jpeg_enc_ctx.bounce_buffer.dma, + GFP_KERNEL, + DMA_ATTR_ALLOC_SINGLE_PAGES); + if (!ctx->jpeg_enc_ctx.bounce_buffer.cpu) + return -ENOMEM; + return 0; +} + +void rockchip_vpu_jpeg_enc_stop(struct rockchip_vpu_ctx *ctx) +{ + dma_free_attrs(ctx->dev->dev, + ctx->jpeg_enc_ctx.bounce_buffer.size, + ctx->jpeg_enc_ctx.bounce_buffer.cpu, + ctx->jpeg_enc_ctx.bounce_buffer.dma, + DMA_ATTR_ALLOC_SINGLE_PAGES); +} -- 2.20.1
next prev parent reply other threads:[~2019-02-05 20:25 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-02-05 20:24 [PATCH v1 00/10] Add MPEG-2 decoding to Rockchip VPU Ezequiel Garcia 2019-02-05 20:24 ` Ezequiel Garcia 2019-02-05 20:24 ` [PATCH 01/10] media: Introduce helpers to fill pixel format structs Ezequiel Garcia 2019-02-05 20:24 ` Ezequiel Garcia 2019-02-06 10:43 ` Hans Verkuil 2019-02-06 10:43 ` Hans Verkuil 2019-02-06 16:22 ` Ezequiel Garcia 2019-02-06 16:22 ` Ezequiel Garcia 2019-02-06 16:36 ` Hans Verkuil 2019-02-06 16:36 ` Hans Verkuil 2019-02-20 6:53 ` Tomasz Figa 2019-02-20 6:53 ` Tomasz Figa 2019-02-20 8:39 ` Hans Verkuil 2019-02-20 8:39 ` Hans Verkuil 2019-02-21 19:26 ` Ezequiel Garcia 2019-02-21 19:26 ` Ezequiel Garcia 2019-02-05 20:24 ` [PATCH 02/10] rockchip/vpu: Use pixel format helpers Ezequiel Garcia 2019-02-05 20:24 ` Ezequiel Garcia 2019-02-05 20:24 ` [PATCH 03/10] rockchip/vpu: Use v4l2_m2m_buf_copy_data Ezequiel Garcia 2019-02-05 20:24 ` Ezequiel Garcia 2019-02-05 20:24 ` [PATCH 04/10] rockchip/vpu: Cleanup macroblock alignment Ezequiel Garcia 2019-02-05 20:24 ` Ezequiel Garcia 2019-02-05 20:24 ` Ezequiel Garcia [this message] 2019-02-05 20:24 ` [PATCH 05/10] rockchip/vpu: Cleanup JPEG bounce buffer management Ezequiel Garcia 2019-02-05 20:24 ` [PATCH 06/10] rockchip/vpu: Open-code media controller register Ezequiel Garcia 2019-02-05 20:24 ` Ezequiel Garcia 2019-02-05 20:24 ` [PATCH 07/10] rockchip/vpu: Support the Request API Ezequiel Garcia 2019-02-05 20:24 ` Ezequiel Garcia 2019-02-05 20:24 ` [PATCH 08/10] rockchip/vpu: Add decoder boilerplate Ezequiel Garcia 2019-02-05 20:24 ` Ezequiel Garcia 2019-02-05 20:24 ` [PATCH 09/10] rockchip/vpu: Add support for non-standard controls Ezequiel Garcia 2019-02-05 20:24 ` Ezequiel Garcia 2019-02-05 20:24 ` [PATCH 10/10] rockchip/vpu: Add support for MPEG-2 decoding Ezequiel Garcia 2019-02-05 20:24 ` Ezequiel Garcia
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