aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/platform/s5p-jpeg
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/platform/s5p-jpeg')
-rw-r--r--drivers/media/platform/s5p-jpeg/jpeg-core.c63
-rw-r--r--drivers/media/platform/s5p-jpeg/jpeg-core.h12
-rw-r--r--drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.c32
-rw-r--r--drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.h3
4 files changed, 52 insertions, 58 deletions
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c
index a92ff4249d10..bfbf1575677c 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];
@@ -1142,13 +1143,13 @@ 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 (ctx->jpeg->variant->hw3250_compat) {
/*
* 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 +1385,12 @@ 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 &&
+ ct->jpeg->variant->hw3250_compat &&
pix->pixelformat == V4L2_PIX_FMT_YUV420 &&
ct->scale_factor > 2) {
scale_rect.width = ct->out_q.w / 2;
@@ -1569,12 +1570,12 @@ 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 (ctx->jpeg->variant->hw3250_compat)
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 (ctx->jpeg->variant->hw3250_compat)
ret = exynos3250_jpeg_try_crop(ctx, rect);
}
@@ -1604,8 +1605,9 @@ 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 +1626,7 @@ 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.
*/
@@ -1842,7 +1844,7 @@ static void exynos4_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx)
struct s5p_jpeg *jpeg = ctx->jpeg;
struct s5p_jpeg_fmt *fmt;
struct vb2_buffer *vb;
- struct s5p_jpeg_addr jpeg_addr;
+ struct s5p_jpeg_addr jpeg_addr = {};
u32 pix_size, padding_bytes = 0;
jpeg_addr.cb = 0;
@@ -1946,7 +1948,7 @@ static void exynos3250_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx)
struct s5p_jpeg *jpeg = ctx->jpeg;
struct s5p_jpeg_fmt *fmt;
struct vb2_buffer *vb;
- struct s5p_jpeg_addr jpeg_addr;
+ struct s5p_jpeg_addr jpeg_addr = {};
u32 pix_size;
pix_size = ctx->cap_q.w * ctx->cap_q.h;
@@ -2020,6 +2022,16 @@ static void exynos3250_jpeg_device_run(void *priv)
exynos3250_jpeg_qtbl(jpeg->regs, 2, 1);
exynos3250_jpeg_qtbl(jpeg->regs, 3, 1);
+ /*
+ * Some SoCs require setting Huffman tables before each run
+ */
+ if (jpeg->variant->htbl_reinit) {
+ 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);
@@ -2663,13 +2675,12 @@ 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) {
+ if (!jpeg->variant->htbl_reinit) {
s5p_jpeg_set_hdctbl(jpeg->regs);
s5p_jpeg_set_hdctblg(jpeg->regs);
s5p_jpeg_set_hactbl(jpeg->regs);
@@ -2717,6 +2728,7 @@ static struct s5p_jpeg_variant exynos3250_jpeg_drvdata = {
.jpeg_irq = exynos3250_jpeg_irq,
.m2m_ops = &exynos3250_jpeg_m2m_ops,
.fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS3250,
+ .hw3250_compat = 1,
};
static struct s5p_jpeg_variant exynos4_jpeg_drvdata = {
@@ -2724,6 +2736,16 @@ static struct s5p_jpeg_variant exynos4_jpeg_drvdata = {
.jpeg_irq = exynos4_jpeg_irq,
.m2m_ops = &exynos4_jpeg_m2m_ops,
.fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS4,
+ .htbl_reinit = 1,
+};
+
+static struct s5p_jpeg_variant exynos5420_jpeg_drvdata = {
+ .version = SJPEG_EXYNOS5420,
+ .jpeg_irq = exynos3250_jpeg_irq, /* intentionally 3250 */
+ .m2m_ops = &exynos3250_jpeg_m2m_ops, /* intentionally 3250 */
+ .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS3250, /* intentionally 3250 */
+ .hw3250_compat = 1,
+ .htbl_reinit = 1,
};
static const struct of_device_id samsung_jpeg_match[] = {
@@ -2739,6 +2761,9 @@ 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 764b32de326b..7d9a9ed19cea 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-core.h
+++ b/drivers/media/platform/s5p-jpeg/jpeg-core.h
@@ -67,10 +67,12 @@
#define SJPEG_SUBSAMPLING_420 0x22
/* Version numbers */
-
-#define SJPEG_S5P 1
-#define SJPEG_EXYNOS3250 2
-#define SJPEG_EXYNOS4 3
+enum sjpeg_version {
+ SJPEG_S5P,
+ SJPEG_EXYNOS3250,
+ SJPEG_EXYNOS4,
+ SJPEG_EXYNOS5420,
+};
enum exynos4_jpeg_result {
OK_ENC_OR_DEC,
@@ -130,6 +132,8 @@ struct s5p_jpeg {
struct s5p_jpeg_variant {
unsigned int version;
unsigned int fmt_ver_flag;
+ unsigned int hw3250_compat:1;
+ unsigned int htbl_reinit:1;
struct v4l2_m2m_ops *m2m_ops;
irqreturn_t (*jpeg_irq)(int irq, void *priv);
};
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.c b/drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.c
index e3b8e67e005f..b5f20e722b63 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.c
+++ b/drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.c
@@ -51,18 +51,6 @@ void s5p_jpeg_input_raw_mode(void __iomem *regs, unsigned long mode)
writel(reg, regs + S5P_JPGCMOD);
}
-void s5p_jpeg_input_raw_y16(void __iomem *regs, bool y16)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPGCMOD);
- if (y16)
- reg |= S5P_MODE_Y16;
- else
- reg &= ~S5P_MODE_Y16_MASK;
- writel(reg, regs + S5P_JPGCMOD);
-}
-
void s5p_jpeg_proc_mode(void __iomem *regs, unsigned long mode)
{
unsigned long reg, m;
@@ -208,26 +196,6 @@ void s5p_jpeg_final_mcu_num_int_enable(void __iomem *regs, bool enbl)
writel(reg, regs + S5P_JPGINTSE);
}
-void s5p_jpeg_timer_enable(void __iomem *regs, unsigned long val)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPG_TIMER_SE);
- reg |= S5P_TIMER_INT_EN;
- reg &= ~S5P_TIMER_INIT_MASK;
- reg |= val & S5P_TIMER_INIT_MASK;
- writel(reg, regs + S5P_JPG_TIMER_SE);
-}
-
-void s5p_jpeg_timer_disable(void __iomem *regs)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPG_TIMER_SE);
- reg &= ~S5P_TIMER_INT_EN_MASK;
- writel(reg, regs + S5P_JPG_TIMER_SE);
-}
-
int s5p_jpeg_timer_stat(void __iomem *regs)
{
return (int)((readl(regs + S5P_JPG_TIMER_ST) & S5P_TIMER_INT_STAT_MASK)
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.h b/drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.h
index c11ebe86b9c9..f208fa3ed738 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.h
+++ b/drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.h
@@ -29,7 +29,6 @@
void s5p_jpeg_reset(void __iomem *regs);
void s5p_jpeg_poweron(void __iomem *regs);
void s5p_jpeg_input_raw_mode(void __iomem *regs, unsigned long mode);
-void s5p_jpeg_input_raw_y16(void __iomem *regs, bool y16);
void s5p_jpeg_proc_mode(void __iomem *regs, unsigned long mode);
void s5p_jpeg_subsampling_mode(void __iomem *regs, unsigned int mode);
unsigned int s5p_jpeg_get_subsampling_mode(void __iomem *regs);
@@ -42,8 +41,6 @@ void s5p_jpeg_x(void __iomem *regs, unsigned int x);
void s5p_jpeg_rst_int_enable(void __iomem *regs, bool enable);
void s5p_jpeg_data_num_int_enable(void __iomem *regs, bool enable);
void s5p_jpeg_final_mcu_num_int_enable(void __iomem *regs, bool enbl);
-void s5p_jpeg_timer_enable(void __iomem *regs, unsigned long val);
-void s5p_jpeg_timer_disable(void __iomem *regs);
int s5p_jpeg_timer_stat(void __iomem *regs);
void s5p_jpeg_clear_timer_stat(void __iomem *regs);
void s5p_jpeg_enc_stream_int(void __iomem *regs, unsigned long size);