Enable FIMC operation on S5PC210 (S5PV310) SoCs. This a minimal
adaptation to obtain functionality of older FIMC IP revisions
(S5PC100, S5PC110) on S5PC210 SOcs.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/media/video/s5p-fimc/fimc-core.c | 157 +++++++++++++++++++++---------
drivers/media/video/s5p-fimc/fimc-core.h | 56 ++++++++---
drivers/media/video/s5p-fimc/regs-fimc.h | 3 +
3 files changed, 156 insertions(+), 60 deletions(-)
diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
index 064e7d5..7e63a49 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -823,10 +823,10 @@ int fimc_vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
goto tf_out;
if (is_output) {
- max_width = variant->scaler_dis_w;
+ max_width = variant->pix_limit->scaler_dis_w;
mod_x = ffs(variant->min_inp_pixsize) - 1;
} else {
- max_width = variant->out_rot_dis_w;
+ max_width = variant->pix_limit->out_rot_dis_w;
mod_x = ffs(variant->min_out_pixsize) - 1;
}
@@ -843,7 +843,7 @@ int fimc_vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
dbg("mod_x: %d, mod_y: %d, max_w: %d", mod_x, mod_y, max_width);
v4l_bound_align_image(&pix->width, 16, max_width, mod_x,
- &pix->height, 8, variant->scaler_dis_w, mod_y, 0);
+ &pix->height, 8, variant->pix_limit->scaler_dis_w, mod_y, 0);
if (pix->bytesperline == 0 ||
(pix->bytesperline * 8 / fmt->depth) > pix->width)
@@ -1519,7 +1519,7 @@ static int fimc_probe(struct platform_device *pdev)
drv_data = (struct samsung_fimc_driverdata *)
platform_get_device_id(pdev)->driver_data;
- if (pdev->id >= drv_data->devs_cnt) {
+ if (pdev->id >= drv_data->num_entities) {
dev_err(&pdev->dev, "Invalid platform device id: %d\n",
pdev->id);
return -EINVAL;
@@ -1602,6 +1602,13 @@ static int fimc_probe(struct platform_device *pdev)
}
}
+ /*
+ * Exclude the additional output DMA address registers by masking
+ * them out on HW revisions that provide extended capabilites.
+ */
+ if (fimc->variant->out_buf_count > 4)
+ fimc_hw_set_dma_seq(fimc, 0xF);
+
dev_dbg(&pdev->dev, "%s(): fimc-%d registered successfully\n",
__func__, fimc->id);
@@ -1645,78 +1652,135 @@ static int __devexit fimc_remove(struct platform_device *pdev)
return 0;
}
-static struct samsung_fimc_variant fimc01_variant_s5p = {
- .has_inp_rot = 1,
- .has_out_rot = 1,
+/* Image pixel limits, similar across several FIMC HW revisions. */
+static struct fimc_pix_limit s5p_pix_limit[3] = {
+ [0] = {
+ .scaler_en_w = 3264,
+ .scaler_dis_w = 8192,
+ .in_rot_en_h = 1920,
+ .in_rot_dis_w = 8192,
+ .out_rot_en_w = 1920,
+ .out_rot_dis_w = 4224,
+ },
+ [1] = {
+ .scaler_en_w = 4224,
+ .scaler_dis_w = 8192,
+ .in_rot_en_h = 1920,
+ .in_rot_dis_w = 8192,
+ .out_rot_en_w = 1920,
+ .out_rot_dis_w = 4224,
+ },
+ [2] = {
+ .scaler_en_w = 1920,
+ .scaler_dis_w = 8192,
+ .in_rot_en_h = 1280,
+ .in_rot_dis_w = 8192,
+ .out_rot_en_w = 1280,
+ .out_rot_dis_w = 1920,
+ },
+};
+
+static struct samsung_fimc_variant fimc0_variant_s5p = {
+ .has_inp_rot = 1,
+ .has_out_rot = 1,
.min_inp_pixsize = 16,
.min_out_pixsize = 16,
-
- .scaler_en_w = 3264,
- .scaler_dis_w = 8192,
- .in_rot_en_h = 1920,
- .in_rot_dis_w = 8192,
- .out_rot_en_w = 1920,
- .out_rot_dis_w = 4224,
+ .hor_offs_align = 8,
+ .out_buf_count = 4,
+ .pix_limit = &s5p_pix_limit[0],
};
static struct samsung_fimc_variant fimc2_variant_s5p = {
.min_inp_pixsize = 16,
.min_out_pixsize = 16,
-
- .scaler_en_w = 4224,
- .scaler_dis_w = 8192,
- .in_rot_en_h = 1920,
- .in_rot_dis_w = 8192,
- .out_rot_en_w = 1920,
- .out_rot_dis_w = 4224,
+ .hor_offs_align = 8,
+ .out_buf_count = 4,
+ .pix_limit = &s5p_pix_limit[1],
};
-static struct samsung_fimc_variant fimc01_variant_s5pv210 = {
- .pix_hoff = 1,
- .has_inp_rot = 1,
- .has_out_rot = 1,
+static struct samsung_fimc_variant fimc0_variant_s5pv210 = {
+ .pix_hoff = 1,
+ .has_inp_rot = 1,
+ .has_out_rot = 1,
.min_inp_pixsize = 16,
.min_out_pixsize = 16,
+ .hor_offs_align = 8,
+ .out_buf_count = 4,
+ .pix_limit = &s5p_pix_limit[1],
+};
- .scaler_en_w = 4224,
- .scaler_dis_w = 8192,
- .in_rot_en_h = 1920,
- .in_rot_dis_w = 8192,
- .out_rot_en_w = 1920,
- .out_rot_dis_w = 4224,
+static struct samsung_fimc_variant fimc1_variant_s5pv210 = {
+ .pix_hoff = 1,
+ .has_inp_rot = 1,
+ .has_out_rot = 1,
+ .min_inp_pixsize = 16,
+ .min_out_pixsize = 16,
+ .hor_offs_align = 1,
+ .out_buf_count = 4,
+ .pix_limit = &s5p_pix_limit[2],
};
static struct samsung_fimc_variant fimc2_variant_s5pv210 = {
.pix_hoff = 1,
.min_inp_pixsize = 16,
.min_out_pixsize = 16,
+ .hor_offs_align = 8,
+ .out_buf_count = 4,
+ .pix_limit = &s5p_pix_limit[2],
+};
- .scaler_en_w = 1920,
- .scaler_dis_w = 8192,
- .in_rot_en_h = 1280,
- .in_rot_dis_w = 8192,
- .out_rot_en_w = 1280,
- .out_rot_dis_w = 1920,
+static struct samsung_fimc_variant fimc0_variant_s5pv310 = {
+ .pix_hoff = 1,
+ .has_inp_rot = 1,
+ .has_out_rot = 1,
+ .min_inp_pixsize = 16,
+ .min_out_pixsize = 16,
+ .hor_offs_align = 1,
+ .out_buf_count = 32,
+ .pix_limit = &s5p_pix_limit[1],
+};
+
+static struct samsung_fimc_variant fimc2_variant_s5pv310 = {
+ .pix_hoff = 1,
+ .min_inp_pixsize = 16,
+ .min_out_pixsize = 16,
+ .hor_offs_align = 1,
+ .out_buf_count = 32,
+ .pix_limit = &s5p_pix_limit[2],
};
+/* S5PC100 */
static struct samsung_fimc_driverdata fimc_drvdata_s5p = {
.variant = {
- [0] = &fimc01_variant_s5p,
- [1] = &fimc01_variant_s5p,
+ [0] = &fimc0_variant_s5p,
+ [1] = &fimc0_variant_s5p,
[2] = &fimc2_variant_s5p,
},
- .devs_cnt = 3,
- .lclk_frequency = 133000000UL,
+ .num_entities = 3,
+ .lclk_frequency = 133000000UL,
};
+/* S5PV210, S5PC110 */
static struct samsung_fimc_driverdata fimc_drvdata_s5pv210 = {
.variant = {
- [0] = &fimc01_variant_s5pv210,
- [1] = &fimc01_variant_s5pv210,
+ [0] = &fimc0_variant_s5pv210,
+ [1] = &fimc1_variant_s5pv210,
[2] = &fimc2_variant_s5pv210,
},
- .devs_cnt = 3,
- .lclk_frequency = 166000000UL,
+ .num_entities = 3,
+ .lclk_frequency = 166000000UL,
+};
+
+/* S5PV310, S5PC210 */
+static struct samsung_fimc_driverdata fimc_drvdata_s5pv310 = {
+ .variant = {
+ [0] = &fimc0_variant_s5pv310,
+ [1] = &fimc0_variant_s5pv310,
+ [2] = &fimc0_variant_s5pv310,
+ [3] = &fimc2_variant_s5pv310,
+ },
+ .num_entities = 4,
+ .lclk_frequency = 166000000UL,
};
static struct platform_device_id fimc_driver_ids[] = {
@@ -1726,6 +1790,9 @@ static struct platform_device_id fimc_driver_ids[] = {
}, {
.name = "s5pv210-fimc",
.driver_data = (unsigned long)&fimc_drvdata_s5pv210,
+ }, {
+ .name = "s5pv310-fimc",
+ .driver_data = (unsigned long)&fimc_drvdata_s5pv310,
},
{},
};
diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h
index ce0a6b8..e3a7c6a 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.h
+++ b/drivers/media/video/s5p-fimc/fimc-core.h
@@ -36,7 +36,7 @@
#define FIMC_SHUTDOWN_TIMEOUT ((100*HZ)/1000)
#define NUM_FIMC_CLOCKS 2
#define MODULE_NAME "s5p-fimc"
-#define FIMC_MAX_DEVS 3
+#define FIMC_MAX_DEVS 4
#define FIMC_MAX_OUT_BUFS 4
#define SCALER_MAX_HRATIO 64
#define SCALER_MAX_VRATIO 64
@@ -345,33 +345,45 @@ struct fimc_vid_cap {
};
/**
+ * struct fimc_pix_limit - image pixel size limits in various IP configurations
+ *
+ * @scaler_en_w: max input pixel width when the scaler is enabled
+ * @scaler_dis_w: max input pixel width when the scaler is disabled
+ * @in_rot_en_h: max input width with the input rotator is on
+ * @in_rot_dis_w: max input width with the input rotator is off
+ * @out_rot_en_w: max output width with the output rotator on
+ * @out_rot_dis_w: max output width with the output rotator off
+ */
+struct fimc_pix_limit {
+ u16 scaler_en_w;
+ u16 scaler_dis_w;
+ u16 in_rot_en_h;
+ u16 in_rot_dis_w;
+ u16 out_rot_en_w;
+ u16 out_rot_dis_w;
+};
+
+/**
* struct samsung_fimc_variant - camera interface variant information
*
* @pix_hoff: indicate whether horizontal offset is in pixels or in bytes
* @has_inp_rot: set if has input rotator
* @has_out_rot: set if has output rotator
+ * @pix_limit: pixel size constraints for the scaler
* @min_inp_pixsize: minimum input pixel size
* @min_out_pixsize: minimum output pixel size
- * @scaler_en_w: maximum input pixel width when the scaler is enabled
- * @scaler_dis_w: maximum input pixel width when the scaler is disabled
- * @in_rot_en_h: maximum input width when the input rotator is enabled
- * @in_rot_dis_w: maximum input width when the input rotator is disabled
- * @out_rot_en_w: maximum target width when the output rotator enabled
- * @out_rot_dis_w: maximum target width when the output rotator disnabled
+ * @hor_offs_align: horizontal pixel offset aligment
+ * @out_buf_count: the number of buffers in output DMA sequence
*/
struct samsung_fimc_variant {
unsigned int pix_hoff:1;
unsigned int has_inp_rot:1;
unsigned int has_out_rot:1;
-
+ struct fimc_pix_limit *pix_limit;
u16 min_inp_pixsize;
u16 min_out_pixsize;
- u16 scaler_en_w;
- u16 scaler_dis_w;
- u16 in_rot_en_h;
- u16 in_rot_dis_w;
- u16 out_rot_en_w;
- u16 out_rot_dis_w;
+ u16 hor_offs_align;
+ u16 out_buf_count;
};
/**
@@ -384,7 +396,7 @@ struct samsung_fimc_variant {
struct samsung_fimc_driverdata {
struct samsung_fimc_variant *variant[FIMC_MAX_DEVS];
unsigned long lclk_frequency;
- int devs_cnt;
+ int num_entities;
};
struct fimc_ctx;
@@ -507,6 +519,20 @@ static inline void fimc_hw_dis_capture(struct fimc_dev *dev)
writel(cfg, dev->regs + S5P_CIIMGCPT);
}
+/**
+ * fimc_hw_set_dma_seq - configure output DMA buffer sequence
+ * @mask: each bit corresponds to one of 32 output buffer registers set
+ * 1 to include buffer in the sequence, 0 to disable
+ *
+ * This function mask output DMA ring buffers, i.e. it allows to configure
+ * which of the output buffer address registers will be used by the DMA
+ * engine.
+ */
+static inline void fimc_hw_set_dma_seq(struct fimc_dev *dev, u32 mask)
+{
+ writel(mask, dev->regs + S5P_CIFCNTSEQ);
+}
+
static inline struct fimc_frame *ctx_get_frame(struct fimc_ctx *ctx,
enum v4l2_buf_type type)
{
diff --git a/drivers/media/video/s5p-fimc/regs-fimc.h b/drivers/media/video/s5p-fimc/regs-fimc.h
index 9e83315..a57daed 100644
--- a/drivers/media/video/s5p-fimc/regs-fimc.h
+++ b/drivers/media/video/s5p-fimc/regs-fimc.h
@@ -279,4 +279,7 @@
#define S5P_CSIIMGFMT_USER3 0x32
#define S5P_CSIIMGFMT_USER4 0x33
+/* Output frame buffer sequence mask */
+#define S5P_CIFCNTSEQ 0x1FC
+
#endif /* REGS_FIMC_H_ */
--
1.7.3.1
--
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