Commit 1aa8ea0d authored by Steve Longerbeam's avatar Steve Longerbeam Committed by Philipp Zabel
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gpu: ipu-v3: Add Image Converter unit 



Adds the Image Converter (IC) unit.

Signed-off-by: default avatarSteve Longerbeam <steve_longerbeam@mentor.com>

Condensed the three CSC setup functions into a single one that
uses static tables to set up the CSC task parameters.

Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
parent 2ffd48f2

drivers/gpu/ipu-v3/Makefile

+1 −1
Original line number Diff line number Diff line 
obj-$(CONFIG_IMX_IPUV3_CORE) += imx-ipu-v3.o



imx-ipu-v3-objs := ipu-common.o ipu-cpmem.o ipu-csi.o ipu-dc.o ipu-di.o \

		ipu-dp.o ipu-dmfc.o ipu-smfc.o
 
		ipu-dp.o ipu-dmfc.o ipu-ic.o ipu-smfc.o

drivers/gpu/ipu-v3/ipu-common.c

+18 −1
Original line number Diff line number Diff line
@@ -429,6 +429,7 @@ struct ipu_devtype { 
	unsigned long tpm_ofs;

	unsigned long csi0_ofs;

	unsigned long csi1_ofs;

	unsigned long ic_ofs;

	unsigned long disp0_ofs;

	unsigned long disp1_ofs;

	unsigned long dc_tmpl_ofs;
@@ -444,6 +445,7 @@ static struct ipu_devtype ipu_type_imx51 = { 
	.tpm_ofs = 0x1f060000,

	.csi0_ofs = 0x1f030000,

	.csi1_ofs = 0x1f038000,

	.ic_ofs = 0x1f020000,

	.disp0_ofs = 0x1e040000,

	.disp1_ofs = 0x1e048000,

	.dc_tmpl_ofs = 0x1f080000,
@@ -459,6 +461,7 @@ static struct ipu_devtype ipu_type_imx53 = { 
	.tpm_ofs = 0x07060000,

	.csi0_ofs = 0x07030000,

	.csi1_ofs = 0x07038000,

	.ic_ofs = 0x07020000,

	.disp0_ofs = 0x06040000,

	.disp1_ofs = 0x06048000,

	.dc_tmpl_ofs = 0x07080000,
@@ -474,6 +477,7 @@ static struct ipu_devtype ipu_type_imx6q = { 
	.tpm_ofs = 0x00360000,

	.csi0_ofs = 0x00230000,

	.csi1_ofs = 0x00238000,

	.ic_ofs = 0x00220000,

	.disp0_ofs = 0x00240000,

	.disp1_ofs = 0x00248000,

	.dc_tmpl_ofs = 0x00380000,
@@ -518,6 +522,14 @@ static int ipu_submodules_init(struct ipu_soc *ipu, 
		goto err_csi_1;

	}



	ret = ipu_ic_init(ipu, dev,

			  ipu_base + devtype->ic_ofs,

			  ipu_base + devtype->tpm_ofs);

	if (ret) {

		unit = "ic";

		goto err_ic;

	}



	ret = ipu_di_init(ipu, dev, 0, ipu_base + devtype->disp0_ofs,

			  IPU_CONF_DI0_EN, ipu_clk);

	if (ret) {
@@ -572,6 +584,8 @@ err_dc: 
err_di_1:

	ipu_di_exit(ipu, 0);

err_di_0:

	ipu_ic_exit(ipu);

err_ic:

	ipu_csi_exit(ipu, 1);

err_csi_1:

	ipu_csi_exit(ipu, 0);
@@ -654,6 +668,7 @@ static void ipu_submodules_exit(struct ipu_soc *ipu) 
	ipu_dc_exit(ipu);

	ipu_di_exit(ipu, 1);

	ipu_di_exit(ipu, 0);

	ipu_ic_exit(ipu);

	ipu_csi_exit(ipu, 1);

	ipu_csi_exit(ipu, 0);

	ipu_cpmem_exit(ipu);
@@ -879,6 +894,8 @@ static int ipu_probe(struct platform_device *pdev) 
			ipu_base + devtype->csi0_ofs);

	dev_dbg(&pdev->dev, "csi1:    0x%08lx\n",

			ipu_base + devtype->csi1_ofs);

	dev_dbg(&pdev->dev, "ic:      0x%08lx\n",

			ipu_base + devtype->ic_ofs);

	dev_dbg(&pdev->dev, "disp0:    0x%08lx\n",

			ipu_base + devtype->disp0_ofs);

	dev_dbg(&pdev->dev, "disp1:    0x%08lx\n",

drivers/gpu/ipu-v3/ipu-ic.c

0 → 100644
+778 −0

File added.

Preview size limit exceeded, changes collapsed.

drivers/gpu/ipu-v3/ipu-prv.h

+6 −0
Original line number Diff line number Diff line
@@ -161,6 +161,7 @@ struct ipu_csi; 
struct ipu_dc_priv;

struct ipu_dmfc_priv;

struct ipu_di;

struct ipu_ic_priv;

struct ipu_smfc_priv;



struct ipu_devtype;
@@ -191,6 +192,7 @@ struct ipu_soc { 
	struct ipu_dmfc_priv	*dmfc_priv;

	struct ipu_di		*di_priv[2];

	struct ipu_csi		*csi_priv[2];

	struct ipu_ic_priv	*ic_priv;

	struct ipu_smfc_priv	*smfc_priv;

};
@@ -217,6 +219,10 @@ int ipu_csi_init(struct ipu_soc *ipu, struct device *dev, int id, 
		 unsigned long base, u32 module, struct clk *clk_ipu);

void ipu_csi_exit(struct ipu_soc *ipu, int id);



int ipu_ic_init(struct ipu_soc *ipu, struct device *dev,

		unsigned long base, unsigned long tpmem_base);

void ipu_ic_exit(struct ipu_soc *ipu);



int ipu_di_init(struct ipu_soc *ipu, struct device *dev, int id,

		unsigned long base, u32 module, struct clk *ipu_clk);

void ipu_di_exit(struct ipu_soc *ipu, int id);

include/video/imx-ipu-v3.h

+45 −0
Original line number Diff line number Diff line
@@ -71,6 +71,20 @@ enum ipu_csi_dest { 
	IPU_CSI_DEST_VDIC,  /* to VDIC */

};



/*

 * Enumeration of IPU rotation modes

 */

enum ipu_rotate_mode {

	IPU_ROTATE_NONE = 0,

	IPU_ROTATE_VERT_FLIP,

	IPU_ROTATE_HORIZ_FLIP,

	IPU_ROTATE_180,

	IPU_ROTATE_90_RIGHT,

	IPU_ROTATE_90_RIGHT_VFLIP,

	IPU_ROTATE_90_RIGHT_HFLIP,

	IPU_ROTATE_90_LEFT,

};



enum ipu_color_space {

	IPUV3_COLORSPACE_RGB,

	IPUV3_COLORSPACE_YUV,
@@ -242,6 +256,37 @@ struct ipu_csi *ipu_csi_get(struct ipu_soc *ipu, int id); 
void ipu_csi_put(struct ipu_csi *csi);

void ipu_csi_dump(struct ipu_csi *csi);



/*

 * IPU Image Converter (ic) functions

 */

enum ipu_ic_task {

	IC_TASK_ENCODER,

	IC_TASK_VIEWFINDER,

	IC_TASK_POST_PROCESSOR,

	IC_NUM_TASKS,

};



struct ipu_ic;

int ipu_ic_task_init(struct ipu_ic *ic,

		     int in_width, int in_height,

		     int out_width, int out_height,

		     enum ipu_color_space in_cs,

		     enum ipu_color_space out_cs);

int ipu_ic_task_graphics_init(struct ipu_ic *ic,

			      enum ipu_color_space in_g_cs,

			      bool galpha_en, u32 galpha,

			      bool colorkey_en, u32 colorkey);

void ipu_ic_task_enable(struct ipu_ic *ic);

void ipu_ic_task_disable(struct ipu_ic *ic);

int ipu_ic_task_idma_init(struct ipu_ic *ic, struct ipuv3_channel *channel,

			  u32 width, u32 height, int burst_size,

			  enum ipu_rotate_mode rot);

int ipu_ic_enable(struct ipu_ic *ic);

int ipu_ic_disable(struct ipu_ic *ic);

struct ipu_ic *ipu_ic_get(struct ipu_soc *ipu, enum ipu_ic_task task);

void ipu_ic_put(struct ipu_ic *ic);

void ipu_ic_dump(struct ipu_ic *ic);



/*

 * IPU Sensor Multiple FIFO Controller (SMFC) functions

 */

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