| Message ID | 1425556596-3938-3-git-send-email-andrzej.p@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Andrzej, On 03/05/2015 12:56 PM, Andrzej Pietrasiewicz wrote: > JPEG IP found in Exynos5420 is similar to what is in Exynos3250, but > there are some subtle differences which this patch takes into account. > > Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> > --- > .../bindings/media/exynos-jpeg-codec.txt | 2 +- > drivers/media/platform/s5p-jpeg/jpeg-core.c | 69 +++++++++++++++++----- > drivers/media/platform/s5p-jpeg/jpeg-core.h | 1 + > 3 files changed, 56 insertions(+), 16 deletions(-) > > diff --git a/Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt b/Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt > index bf52ed4..4ef4563 100644 > --- a/Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt > +++ b/Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt > @@ -4,7 +4,7 @@ Required properties: > > - compatible : should be one of: > "samsung,s5pv210-jpeg", "samsung,exynos4210-jpeg", > - "samsung,exynos3250-jpeg"; > + "samsung,exynos3250-jpeg", "samsung,exynos5420-jpeg"; > - reg : address and length of the JPEG codec IP register set; > - interrupts : specifies the JPEG codec IP interrupt; > - clock-names : should contain: > diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c > index 12f7452..99bf5b3 100644 > --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c > +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c > @@ -621,6 +621,7 @@ static int s5p_jpeg_to_user_subsampling(struct s5p_jpeg_ctx *ctx) > return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; > return ctx->subsampling; > case SJPEG_EXYNOS3250: > + case SJPEG_EXYNOS5420: > if (ctx->subsampling > 3) > return V4L2_JPEG_CHROMA_SUBSAMPLING_411; > return exynos3250_decoded_subsampling[ctx->subsampling]; > @@ -1128,6 +1129,18 @@ static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx, > return NULL; > } > > +static inline bool is_3250_compat(struct s5p_jpeg_ctx *ctx) > +{ > + switch (ctx->jpeg->variant->version) { > + case SJPEG_EXYNOS3250: > + case SJPEG_EXYNOS5420: > + return true; > + default: > + return false; > + } > + return false; > +} > + > static void jpeg_bound_align_image(struct s5p_jpeg_ctx *ctx, > u32 *w, unsigned int wmin, unsigned int wmax, > unsigned int walign, > @@ -1142,13 +1155,13 @@ static void jpeg_bound_align_image(struct s5p_jpeg_ctx *ctx, > w_step = 1 << walign; > h_step = 1 << halign; > > - if (ctx->jpeg->variant->version == SJPEG_EXYNOS3250) { > + if (is_3250_compat(ctx)) { > /* > * Rightmost and bottommost pixels are cropped by the > - * Exynos3250 JPEG IP for RGB formats, for the specific > - * width and height values respectively. This assignment > - * will result in v4l_bound_align_image returning dimensions > - * reduced by 1 for the aforementioned cases. > + * Exynos3250/compatible JPEG IP for RGB formats, for the > + * specific width and height values respectively. This > + * assignment will result in v4l_bound_align_image returning > + * dimensions reduced by 1 for the aforementioned cases. > */ > if (w_step == 4 && ((width & 3) == 1)) { > wmax = width; > @@ -1384,12 +1397,12 @@ static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f) > > /* > * Prevent downscaling to YUV420 format by more than 2 > - * for Exynos3250 SoC as it produces broken raw image > + * for Exynos3250/compatible SoC as it produces broken raw image > * in such cases. > */ > if (ct->mode == S5P_JPEG_DECODE && > f_type == FMT_TYPE_CAPTURE && > - ct->jpeg->variant->version == SJPEG_EXYNOS3250 && > + is_3250_compat(ct) && > pix->pixelformat == V4L2_PIX_FMT_YUV420 && > ct->scale_factor > 2) { > scale_rect.width = ct->out_q.w / 2; > @@ -1569,12 +1582,12 @@ static int s5p_jpeg_s_selection(struct file *file, void *fh, > if (s->target == V4L2_SEL_TGT_COMPOSE) { > if (ctx->mode != S5P_JPEG_DECODE) > return -EINVAL; > - if (ctx->jpeg->variant->version == SJPEG_EXYNOS3250) > + if (is_3250_compat(ctx)) > ret = exynos3250_jpeg_try_downscale(ctx, rect); > } else if (s->target == V4L2_SEL_TGT_CROP) { > if (ctx->mode != S5P_JPEG_ENCODE) > return -EINVAL; > - if (ctx->jpeg->variant->version == SJPEG_EXYNOS3250) > + if (is_3250_compat(ctx)) > ret = exynos3250_jpeg_try_crop(ctx, rect); > } > > @@ -1604,8 +1617,9 @@ static int s5p_jpeg_adjust_subs_ctrl(struct s5p_jpeg_ctx *ctx, int *ctrl_val) > case SJPEG_S5P: > return 0; > case SJPEG_EXYNOS3250: > + case SJPEG_EXYNOS5420: > /* > - * The exynos3250 device can produce JPEG image only > + * The exynos3250/compatible device can produce JPEG image only > * of 4:4:4 subsampling when given RGB32 source image. > */ > if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB32) > @@ -1624,7 +1638,7 @@ static int s5p_jpeg_adjust_subs_ctrl(struct s5p_jpeg_ctx *ctx, int *ctrl_val) > } > > /* > - * The exynos4x12 and exynos3250 devices require resulting > + * The exynos4x12 and exynos3250/compatible devices require resulting > * jpeg subsampling not to be lower than the input raw image > * subsampling. > */ > @@ -2017,6 +2031,15 @@ static void exynos3250_jpeg_device_run(void *priv) > exynos3250_jpeg_qtbl(jpeg->regs, 2, 1); > exynos3250_jpeg_qtbl(jpeg->regs, 3, 1); > > + /* > + * 5420 family requires setting Huffman tables before each run > + */ > + if (jpeg->variant->version == SJPEG_EXYNOS5420) { > + s5p_jpeg_set_hdctbl(jpeg->regs); > + s5p_jpeg_set_hdctblg(jpeg->regs); > + s5p_jpeg_set_hactbl(jpeg->regs); > + s5p_jpeg_set_hactblg(jpeg->regs); > + } > /* Y, Cb, Cr use Huffman table 0 */ > exynos3250_jpeg_htbl_ac(jpeg->regs, 1); > exynos3250_jpeg_htbl_dc(jpeg->regs, 1); > @@ -2098,6 +2121,12 @@ static struct v4l2_m2m_ops exynos4_jpeg_m2m_ops = { > .job_abort = s5p_jpeg_job_abort, > }; > > +static struct v4l2_m2m_ops exynos5420_jpeg_m2m_ops = { > + .device_run = exynos3250_jpeg_device_run, /* intentionally 3250 */ > + .job_ready = s5p_jpeg_job_ready, > + .job_abort = s5p_jpeg_job_abort, > +}; > + You don't need to declare new m2m ops - just use exynos3250_jpeg_m2m_ops. > /* > * ============================================================================ > * Queue operations > @@ -2660,10 +2689,10 @@ static int s5p_jpeg_runtime_resume(struct device *dev) > /* > * JPEG IP allows storing two Huffman tables for each component. > * We fill table 0 for each component and do this here only > - * for S5PC210 and Exynos3250 SoCs. Exynos4x12 SoC requires > - * programming its Huffman tables each time the encoding process > - * is initialized, and thus it is accomplished in the device_run > - * callback of m2m_ops. > + * for S5PC210 and Exynos3250 SoCs. Exynos4x12 and Exynos542x SoC > + * require programming their Huffman tables each time the encoding > + * process is initialized, and thus it is accomplished in the > + * device_run callback of m2m_ops. > */ > if (jpeg->variant->version == SJPEG_S5P || > jpeg->variant->version == SJPEG_EXYNOS3250) { > @@ -2723,6 +2752,13 @@ static struct s5p_jpeg_variant exynos4_jpeg_drvdata = { > .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS4, > }; > > +static struct s5p_jpeg_variant exynos5420_jpeg_drvdata = { > + .version = SJPEG_EXYNOS5420, > + .jpeg_irq = exynos3250_jpeg_irq, /* intentionally 3250 */ > + .m2m_ops = &exynos5420_jpeg_m2m_ops, > + .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS3250, /* intentionally 3250 */ > +}; > + > static const struct of_device_id samsung_jpeg_match[] = { > { > .compatible = "samsung,s5pv210-jpeg", > @@ -2736,6 +2772,9 @@ static const struct of_device_id samsung_jpeg_match[] = { > }, { > .compatible = "samsung,exynos4212-jpeg", > .data = &exynos4_jpeg_drvdata, > + }, { > + .compatible = "samsung,exynos5420-jpeg", > + .data = &exynos5420_jpeg_drvdata, > }, > {}, > }; > diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.h b/drivers/media/platform/s5p-jpeg/jpeg-core.h > index 764b32d..3bd5eba 100644 > --- a/drivers/media/platform/s5p-jpeg/jpeg-core.h > +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.h > @@ -71,6 +71,7 @@ > #define SJPEG_S5P 1 > #define SJPEG_EXYNOS3250 2 > #define SJPEG_EXYNOS4 3 > +#define SJPEG_EXYNOS5420 4 As you are adding a new variant you could turn this into an enum. > enum exynos4_jpeg_result { > OK_ENC_OR_DEC, >
diff --git a/Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt b/Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt index bf52ed4..4ef4563 100644 --- a/Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt +++ b/Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt @@ -4,7 +4,7 @@ Required properties: - compatible : should be one of: "samsung,s5pv210-jpeg", "samsung,exynos4210-jpeg", - "samsung,exynos3250-jpeg"; + "samsung,exynos3250-jpeg", "samsung,exynos5420-jpeg"; - reg : address and length of the JPEG codec IP register set; - interrupts : specifies the JPEG codec IP interrupt; - clock-names : should contain: diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c index 12f7452..99bf5b3 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c @@ -621,6 +621,7 @@ static int s5p_jpeg_to_user_subsampling(struct s5p_jpeg_ctx *ctx) return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; return ctx->subsampling; case SJPEG_EXYNOS3250: + case SJPEG_EXYNOS5420: if (ctx->subsampling > 3) return V4L2_JPEG_CHROMA_SUBSAMPLING_411; return exynos3250_decoded_subsampling[ctx->subsampling]; @@ -1128,6 +1129,18 @@ static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx, return NULL; } +static inline bool is_3250_compat(struct s5p_jpeg_ctx *ctx) +{ + switch (ctx->jpeg->variant->version) { + case SJPEG_EXYNOS3250: + case SJPEG_EXYNOS5420: + return true; + default: + return false; + } + return false; +} + static void jpeg_bound_align_image(struct s5p_jpeg_ctx *ctx, u32 *w, unsigned int wmin, unsigned int wmax, unsigned int walign, @@ -1142,13 +1155,13 @@ static void jpeg_bound_align_image(struct s5p_jpeg_ctx *ctx, w_step = 1 << walign; h_step = 1 << halign; - if (ctx->jpeg->variant->version == SJPEG_EXYNOS3250) { + if (is_3250_compat(ctx)) { /* * Rightmost and bottommost pixels are cropped by the - * Exynos3250 JPEG IP for RGB formats, for the specific - * width and height values respectively. This assignment - * will result in v4l_bound_align_image returning dimensions - * reduced by 1 for the aforementioned cases. + * Exynos3250/compatible JPEG IP for RGB formats, for the + * specific width and height values respectively. This + * assignment will result in v4l_bound_align_image returning + * dimensions reduced by 1 for the aforementioned cases. */ if (w_step == 4 && ((width & 3) == 1)) { wmax = width; @@ -1384,12 +1397,12 @@ static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f) /* * Prevent downscaling to YUV420 format by more than 2 - * for Exynos3250 SoC as it produces broken raw image + * for Exynos3250/compatible SoC as it produces broken raw image * in such cases. */ if (ct->mode == S5P_JPEG_DECODE && f_type == FMT_TYPE_CAPTURE && - ct->jpeg->variant->version == SJPEG_EXYNOS3250 && + is_3250_compat(ct) && pix->pixelformat == V4L2_PIX_FMT_YUV420 && ct->scale_factor > 2) { scale_rect.width = ct->out_q.w / 2; @@ -1569,12 +1582,12 @@ static int s5p_jpeg_s_selection(struct file *file, void *fh, if (s->target == V4L2_SEL_TGT_COMPOSE) { if (ctx->mode != S5P_JPEG_DECODE) return -EINVAL; - if (ctx->jpeg->variant->version == SJPEG_EXYNOS3250) + if (is_3250_compat(ctx)) ret = exynos3250_jpeg_try_downscale(ctx, rect); } else if (s->target == V4L2_SEL_TGT_CROP) { if (ctx->mode != S5P_JPEG_ENCODE) return -EINVAL; - if (ctx->jpeg->variant->version == SJPEG_EXYNOS3250) + if (is_3250_compat(ctx)) ret = exynos3250_jpeg_try_crop(ctx, rect); } @@ -1604,8 +1617,9 @@ static int s5p_jpeg_adjust_subs_ctrl(struct s5p_jpeg_ctx *ctx, int *ctrl_val) case SJPEG_S5P: return 0; case SJPEG_EXYNOS3250: + case SJPEG_EXYNOS5420: /* - * The exynos3250 device can produce JPEG image only + * The exynos3250/compatible device can produce JPEG image only * of 4:4:4 subsampling when given RGB32 source image. */ if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB32) @@ -1624,7 +1638,7 @@ static int s5p_jpeg_adjust_subs_ctrl(struct s5p_jpeg_ctx *ctx, int *ctrl_val) } /* - * The exynos4x12 and exynos3250 devices require resulting + * The exynos4x12 and exynos3250/compatible devices require resulting * jpeg subsampling not to be lower than the input raw image * subsampling. */ @@ -2017,6 +2031,15 @@ static void exynos3250_jpeg_device_run(void *priv) exynos3250_jpeg_qtbl(jpeg->regs, 2, 1); exynos3250_jpeg_qtbl(jpeg->regs, 3, 1); + /* + * 5420 family requires setting Huffman tables before each run + */ + if (jpeg->variant->version == SJPEG_EXYNOS5420) { + s5p_jpeg_set_hdctbl(jpeg->regs); + s5p_jpeg_set_hdctblg(jpeg->regs); + s5p_jpeg_set_hactbl(jpeg->regs); + s5p_jpeg_set_hactblg(jpeg->regs); + } /* Y, Cb, Cr use Huffman table 0 */ exynos3250_jpeg_htbl_ac(jpeg->regs, 1); exynos3250_jpeg_htbl_dc(jpeg->regs, 1); @@ -2098,6 +2121,12 @@ static struct v4l2_m2m_ops exynos4_jpeg_m2m_ops = { .job_abort = s5p_jpeg_job_abort, }; +static struct v4l2_m2m_ops exynos5420_jpeg_m2m_ops = { + .device_run = exynos3250_jpeg_device_run, /* intentionally 3250 */ + .job_ready = s5p_jpeg_job_ready, + .job_abort = s5p_jpeg_job_abort, +}; + /* * ============================================================================ * Queue operations @@ -2660,10 +2689,10 @@ static int s5p_jpeg_runtime_resume(struct device *dev) /* * JPEG IP allows storing two Huffman tables for each component. * We fill table 0 for each component and do this here only - * for S5PC210 and Exynos3250 SoCs. Exynos4x12 SoC requires - * programming its Huffman tables each time the encoding process - * is initialized, and thus it is accomplished in the device_run - * callback of m2m_ops. + * for S5PC210 and Exynos3250 SoCs. Exynos4x12 and Exynos542x SoC + * require programming their Huffman tables each time the encoding + * process is initialized, and thus it is accomplished in the + * device_run callback of m2m_ops. */ if (jpeg->variant->version == SJPEG_S5P || jpeg->variant->version == SJPEG_EXYNOS3250) { @@ -2723,6 +2752,13 @@ static struct s5p_jpeg_variant exynos4_jpeg_drvdata = { .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS4, }; +static struct s5p_jpeg_variant exynos5420_jpeg_drvdata = { + .version = SJPEG_EXYNOS5420, + .jpeg_irq = exynos3250_jpeg_irq, /* intentionally 3250 */ + .m2m_ops = &exynos5420_jpeg_m2m_ops, + .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS3250, /* intentionally 3250 */ +}; + static const struct of_device_id samsung_jpeg_match[] = { { .compatible = "samsung,s5pv210-jpeg", @@ -2736,6 +2772,9 @@ static const struct of_device_id samsung_jpeg_match[] = { }, { .compatible = "samsung,exynos4212-jpeg", .data = &exynos4_jpeg_drvdata, + }, { + .compatible = "samsung,exynos5420-jpeg", + .data = &exynos5420_jpeg_drvdata, }, {}, }; diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.h b/drivers/media/platform/s5p-jpeg/jpeg-core.h index 764b32d..3bd5eba 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.h +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.h @@ -71,6 +71,7 @@ #define SJPEG_S5P 1 #define SJPEG_EXYNOS3250 2 #define SJPEG_EXYNOS4 3 +#define SJPEG_EXYNOS5420 4 enum exynos4_jpeg_result { OK_ENC_OR_DEC,
JPEG IP found in Exynos5420 is similar to what is in Exynos3250, but there are some subtle differences which this patch takes into account. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> --- .../bindings/media/exynos-jpeg-codec.txt | 2 +- drivers/media/platform/s5p-jpeg/jpeg-core.c | 69 +++++++++++++++++----- drivers/media/platform/s5p-jpeg/jpeg-core.h | 1 + 3 files changed, 56 insertions(+), 16 deletions(-)