1 files changed, 57 insertions, 604 deletions

diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c
index be3fe76f3dc3..cc11fbfdae13 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.c
+++ b/drivers/media/platform/qcom/camss/camss-csid.c
@@ -22,409 +22,52 @@
 #include <media/v4l2-subdev.h>
 
 #include "camss-csid.h"
+#include "camss-csid-gen1.h"
 #include "camss.h"
 
 #define MSM_CSID_NAME "msm_csid"
 
-#define CAMSS_CSID_HW_VERSION		0x0
-#define CAMSS_CSID_CORE_CTRL_0		0x004
-#define CAMSS_CSID_CORE_CTRL_1		0x008
-#define CAMSS_CSID_RST_CMD(v)		((v) == CAMSS_8x16 ? 0x00c : 0x010)
-#define CAMSS_CSID_CID_LUT_VC_n(v, n)	\
-			(((v) == CAMSS_8x16 ? 0x010 : 0x014) + 0x4 * (n))
-#define CAMSS_CSID_CID_n_CFG(v, n)	\
-			(((v) == CAMSS_8x16 ? 0x020 : 0x024) + 0x4 * (n))
-#define CAMSS_CSID_CID_n_CFG_ISPIF_EN	BIT(0)
-#define CAMSS_CSID_CID_n_CFG_RDI_EN	BIT(1)
-#define CAMSS_CSID_CID_n_CFG_DECODE_FORMAT_SHIFT	4
-#define CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_8		(0 << 8)
-#define CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_16		(1 << 8)
-#define CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_LSB	(0 << 9)
-#define CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_MSB	(1 << 9)
-#define CAMSS_CSID_CID_n_CFG_RDI_MODE_RAW_DUMP		(0 << 10)
-#define CAMSS_CSID_CID_n_CFG_RDI_MODE_PLAIN_PACKING	(1 << 10)
-#define CAMSS_CSID_IRQ_CLEAR_CMD(v)	((v) == CAMSS_8x16 ? 0x060 : 0x064)
-#define CAMSS_CSID_IRQ_MASK(v)		((v) == CAMSS_8x16 ? 0x064 : 0x068)
-#define CAMSS_CSID_IRQ_STATUS(v)	((v) == CAMSS_8x16 ? 0x068 : 0x06c)
-#define CAMSS_CSID_TG_CTRL(v)		((v) == CAMSS_8x16 ? 0x0a0 : 0x0a8)
-#define CAMSS_CSID_TG_CTRL_DISABLE	0xa06436
-#define CAMSS_CSID_TG_CTRL_ENABLE	0xa06437
-#define CAMSS_CSID_TG_VC_CFG(v)		((v) == CAMSS_8x16 ? 0x0a4 : 0x0ac)
-#define CAMSS_CSID_TG_VC_CFG_H_BLANKING		0x3ff
-#define CAMSS_CSID_TG_VC_CFG_V_BLANKING		0x7f
-#define CAMSS_CSID_TG_DT_n_CGG_0(v, n)	\
-			(((v) == CAMSS_8x16 ? 0x0ac : 0x0b4) + 0xc * (n))
-#define CAMSS_CSID_TG_DT_n_CGG_1(v, n)	\
-			(((v) == CAMSS_8x16 ? 0x0b0 : 0x0b8) + 0xc * (n))
-#define CAMSS_CSID_TG_DT_n_CGG_2(v, n)	\
-			(((v) == CAMSS_8x16 ? 0x0b4 : 0x0bc) + 0xc * (n))
-
-#define DATA_TYPE_EMBEDDED_DATA_8BIT	0x12
-#define DATA_TYPE_YUV422_8BIT		0x1e
-#define DATA_TYPE_RAW_6BIT		0x28
-#define DATA_TYPE_RAW_8BIT		0x2a
-#define DATA_TYPE_RAW_10BIT		0x2b
-#define DATA_TYPE_RAW_12BIT		0x2c
-#define DATA_TYPE_RAW_14BIT		0x2d
-
-#define DECODE_FORMAT_UNCOMPRESSED_6_BIT	0x0
-#define DECODE_FORMAT_UNCOMPRESSED_8_BIT	0x1
-#define DECODE_FORMAT_UNCOMPRESSED_10_BIT	0x2
-#define DECODE_FORMAT_UNCOMPRESSED_12_BIT	0x3
-#define DECODE_FORMAT_UNCOMPRESSED_14_BIT	0x8
-
-#define CSID_RESET_TIMEOUT_MS 500
-
-struct csid_format {
-	u32 code;
-	u8 data_type;
-	u8 decode_format;
-	u8 bpp;
-	u8 spp; /* bus samples per pixel */
-};
-
-static const struct csid_format csid_formats_8x16[] = {
-	{
-		MEDIA_BUS_FMT_UYVY8_2X8,
-		DATA_TYPE_YUV422_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		2,
-	},
-	{
-		MEDIA_BUS_FMT_VYUY8_2X8,
-		DATA_TYPE_YUV422_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		2,
-	},
-	{
-		MEDIA_BUS_FMT_YUYV8_2X8,
-		DATA_TYPE_YUV422_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		2,
-	},
-	{
-		MEDIA_BUS_FMT_YVYU8_2X8,
-		DATA_TYPE_YUV422_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		2,
-	},
-	{
-		MEDIA_BUS_FMT_SBGGR8_1X8,
-		DATA_TYPE_RAW_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SGBRG8_1X8,
-		DATA_TYPE_RAW_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SGRBG8_1X8,
-		DATA_TYPE_RAW_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SRGGB8_1X8,
-		DATA_TYPE_RAW_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SBGGR10_1X10,
-		DATA_TYPE_RAW_10BIT,
-		DECODE_FORMAT_UNCOMPRESSED_10_BIT,
-		10,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SGBRG10_1X10,
-		DATA_TYPE_RAW_10BIT,
-		DECODE_FORMAT_UNCOMPRESSED_10_BIT,
-		10,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SGRBG10_1X10,
-		DATA_TYPE_RAW_10BIT,
-		DECODE_FORMAT_UNCOMPRESSED_10_BIT,
-		10,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SRGGB10_1X10,
-		DATA_TYPE_RAW_10BIT,
-		DECODE_FORMAT_UNCOMPRESSED_10_BIT,
-		10,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SBGGR12_1X12,
-		DATA_TYPE_RAW_12BIT,
-		DECODE_FORMAT_UNCOMPRESSED_12_BIT,
-		12,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SGBRG12_1X12,
-		DATA_TYPE_RAW_12BIT,
-		DECODE_FORMAT_UNCOMPRESSED_12_BIT,
-		12,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SGRBG12_1X12,
-		DATA_TYPE_RAW_12BIT,
-		DECODE_FORMAT_UNCOMPRESSED_12_BIT,
-		12,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SRGGB12_1X12,
-		DATA_TYPE_RAW_12BIT,
-		DECODE_FORMAT_UNCOMPRESSED_12_BIT,
-		12,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_Y10_1X10,
-		DATA_TYPE_RAW_10BIT,
-		DECODE_FORMAT_UNCOMPRESSED_10_BIT,
-		10,
-		1,
-	},
-};
-
-static const struct csid_format csid_formats_8x96[] = {
-	{
-		MEDIA_BUS_FMT_UYVY8_2X8,
-		DATA_TYPE_YUV422_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		2,
-	},
-	{
-		MEDIA_BUS_FMT_VYUY8_2X8,
-		DATA_TYPE_YUV422_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		2,
-	},
-	{
-		MEDIA_BUS_FMT_YUYV8_2X8,
-		DATA_TYPE_YUV422_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		2,
-	},
-	{
-		MEDIA_BUS_FMT_YVYU8_2X8,
-		DATA_TYPE_YUV422_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		2,
-	},
-	{
-		MEDIA_BUS_FMT_SBGGR8_1X8,
-		DATA_TYPE_RAW_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SGBRG8_1X8,
-		DATA_TYPE_RAW_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SGRBG8_1X8,
-		DATA_TYPE_RAW_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SRGGB8_1X8,
-		DATA_TYPE_RAW_8BIT,
-		DECODE_FORMAT_UNCOMPRESSED_8_BIT,
-		8,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SBGGR10_1X10,
-		DATA_TYPE_RAW_10BIT,
-		DECODE_FORMAT_UNCOMPRESSED_10_BIT,
-		10,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SGBRG10_1X10,
-		DATA_TYPE_RAW_10BIT,
-		DECODE_FORMAT_UNCOMPRESSED_10_BIT,
-		10,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SGRBG10_1X10,
-		DATA_TYPE_RAW_10BIT,
-		DECODE_FORMAT_UNCOMPRESSED_10_BIT,
-		10,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SRGGB10_1X10,
-		DATA_TYPE_RAW_10BIT,
-		DECODE_FORMAT_UNCOMPRESSED_10_BIT,
-		10,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SBGGR12_1X12,
-		DATA_TYPE_RAW_12BIT,
-		DECODE_FORMAT_UNCOMPRESSED_12_BIT,
-		12,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SGBRG12_1X12,
-		DATA_TYPE_RAW_12BIT,
-		DECODE_FORMAT_UNCOMPRESSED_12_BIT,
-		12,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SGRBG12_1X12,
-		DATA_TYPE_RAW_12BIT,
-		DECODE_FORMAT_UNCOMPRESSED_12_BIT,
-		12,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SRGGB12_1X12,
-		DATA_TYPE_RAW_12BIT,
-		DECODE_FORMAT_UNCOMPRESSED_12_BIT,
-		12,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SBGGR14_1X14,
-		DATA_TYPE_RAW_14BIT,
-		DECODE_FORMAT_UNCOMPRESSED_14_BIT,
-		14,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SGBRG14_1X14,
-		DATA_TYPE_RAW_14BIT,
-		DECODE_FORMAT_UNCOMPRESSED_14_BIT,
-		14,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SGRBG14_1X14,
-		DATA_TYPE_RAW_14BIT,
-		DECODE_FORMAT_UNCOMPRESSED_14_BIT,
-		14,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_SRGGB14_1X14,
-		DATA_TYPE_RAW_14BIT,
-		DECODE_FORMAT_UNCOMPRESSED_14_BIT,
-		14,
-		1,
-	},
-	{
-		MEDIA_BUS_FMT_Y10_1X10,
-		DATA_TYPE_RAW_10BIT,
-		DECODE_FORMAT_UNCOMPRESSED_10_BIT,
-		10,
-		1,
-	},
+const char * const csid_testgen_modes[] = {
+	"Disabled",
+	"Incrementing",
+	"Alternating 0x55/0xAA",
+	"All Zeros 0x00",
+	"All Ones 0xFF",
+	"Pseudo-random Data",
+	"User Specified",
+	"Complex pattern",
+	"Color box",
+	"Color bars",
+	NULL
 };
 
-static u32 csid_find_code(u32 *code, unsigned int n_code,
-			  unsigned int index, u32 req_code)
+u32 csid_find_code(u32 *codes, unsigned int ncodes,
+		   unsigned int match_format_idx, u32 match_code)
 {
 	int i;
 
-	if (!req_code && (index >= n_code))
+	if (!match_code && (match_format_idx >= ncodes))
 		return 0;
 
-	for (i = 0; i < n_code; i++)
-		if (req_code) {
-			if (req_code == code[i])
-				return req_code;
+	for (i = 0; i < ncodes; i++)
+		if (match_code) {
+			if (codes[i] == match_code)
+				return match_code;
 		} else {
-			if (i == index)
-				return code[i];
+			if (i == match_format_idx)
+				return codes[i];
 		}
 
-	return code[0];
+	return codes[0];
 }
 
-static u32 csid_src_pad_code(struct csid_device *csid, u32 sink_code,
-			     unsigned int index, u32 src_req_code)
-{
-	if (csid->camss->version == CAMSS_8x16) {
-		if (index > 0)
-			return 0;
-
-		return sink_code;
-	} else if (csid->camss->version == CAMSS_8x96 ||
-		   csid->camss->version == CAMSS_660) {
-		switch (sink_code) {
-		case MEDIA_BUS_FMT_SBGGR10_1X10:
-		{
-			u32 src_code[] = {
-				MEDIA_BUS_FMT_SBGGR10_1X10,
-				MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE,
-			};
-
-			return csid_find_code(src_code, ARRAY_SIZE(src_code),
-					      index, src_req_code);
-		}
-		case MEDIA_BUS_FMT_Y10_1X10:
-		{
-			u32 src_code[] = {
-				MEDIA_BUS_FMT_Y10_1X10,
-				MEDIA_BUS_FMT_Y10_2X8_PADHI_LE,
-			};
-
-			return csid_find_code(src_code, ARRAY_SIZE(src_code),
-					      index, src_req_code);
-		}
-		default:
-			if (index > 0)
-				return 0;
-
-			return sink_code;
-		}
-	} else {
-		return 0;
-	}
-}
-
-static const struct csid_format *csid_get_fmt_entry(
-					const struct csid_format *formats,
-					unsigned int nformat,
-					u32 code)
+const struct csid_format *csid_get_fmt_entry(const struct csid_format *formats,
+					     unsigned int nformats,
+					     u32 code)
 {
 	unsigned int i;
 
-	for (i = 0; i < nformat; i++)
+	for (i = 0; i < nformats; i++)
 		if (code == formats[i].code)
 			return &formats[i];
 
@@ -434,41 +77,23 @@ static const struct csid_format *csid_get_fmt_entry(
 }
 
 /*
- * csid_isr - CSID module interrupt handler
- * @irq: Interrupt line
- * @dev: CSID device
- *
- * Return IRQ_HANDLED on success
- */
-static irqreturn_t csid_isr(int irq, void *dev)
-{
-	struct csid_device *csid = dev;
-	enum camss_version ver = csid->camss->version;
-	u32 value;
-
-	value = readl_relaxed(csid->base + CAMSS_CSID_IRQ_STATUS(ver));
-	writel_relaxed(value, csid->base + CAMSS_CSID_IRQ_CLEAR_CMD(ver));
-
-	if ((value >> 11) & 0x1)
-		complete(&csid->reset_complete);
-
-	return IRQ_HANDLED;
-}
-
-/*
  * csid_set_clock_rates - Calculate and set clock rates on CSID module
  * @csiphy: CSID device
  */
 static int csid_set_clock_rates(struct csid_device *csid)
 {
 	struct device *dev = csid->camss->dev;
-	u32 pixel_clock;
+	const struct csid_format *fmt;
+	s64 link_freq;
 	int i, j;
 	int ret;
 
-	ret = camss_get_pixel_clock(&csid->subdev.entity, &pixel_clock);
-	if (ret)
-		pixel_clock = 0;
+	fmt = csid_get_fmt_entry(csid->formats, csid->nformats,
+				 csid->fmt[MSM_CSIPHY_PAD_SINK].code);
+	link_freq = camss_get_link_freq(&csid->subdev.entity, fmt->bpp,
+					csid->phy.lane_cnt);
+	if (link_freq < 0)
+		link_freq = 0;
 
 	for (i = 0; i < csid->nclocks; i++) {
 		struct camss_clock *clock = &csid->clock[i];
@@ -477,13 +102,7 @@ static int csid_set_clock_rates(struct csid_device *csid)
 		    !strcmp(clock->name, "csi1") ||
 		    !strcmp(clock->name, "csi2") ||
 		    !strcmp(clock->name, "csi3")) {
-			const struct csid_format *f = csid_get_fmt_entry(
-				csid->formats,
-				csid->nformats,
-				csid->fmt[MSM_CSIPHY_PAD_SINK].code);
-			u8 num_lanes = csid->phy.lane_cnt;
-			u64 min_rate = pixel_clock * f->bpp /
-							(2 * num_lanes * 4);
+			u64 min_rate = link_freq / 4;
 			long rate;
 
 			camss_add_clock_margin(&min_rate);
@@ -515,6 +134,8 @@ static int csid_set_clock_rates(struct csid_device *csid)
 				dev_err(dev, "clk set rate failed: %d\n", ret);
 				return ret;
 			}
+		} else if (clock->nfreqs) {
+			clk_set_rate(clock->clk, clock->freq[0]);
 		}
 	}
 
@@ -522,31 +143,6 @@ static int csid_set_clock_rates(struct csid_device *csid)
 }
 
 /*
- * csid_reset - Trigger reset on CSID module and wait to complete
- * @csid: CSID device
- *
- * Return 0 on success or a negative error code otherwise
- */
-static int csid_reset(struct csid_device *csid)
-{
-	unsigned long time;
-
-	reinit_completion(&csid->reset_complete);
-
-	writel_relaxed(0x7fff, csid->base +
-		       CAMSS_CSID_RST_CMD(csid->camss->version));
-
-	time = wait_for_completion_timeout(&csid->reset_complete,
-		msecs_to_jiffies(CSID_RESET_TIMEOUT_MS));
-	if (!time) {
-		dev_err(csid->camss->dev, "CSID reset timeout\n");
-		return -EIO;
-	}
-
-	return 0;
-}
-
-/*
  * csid_set_power - Power on/off CSID module
  * @sd: CSID V4L2 subdevice
  * @on: Requested power state
@@ -560,8 +156,6 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
 	int ret;
 
 	if (on) {
-		u32 hw_version;
-
 		ret = pm_runtime_get_sync(dev);
 		if (ret < 0) {
 			pm_runtime_put_sync(dev);
@@ -590,7 +184,7 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
 
 		enable_irq(csid->irq);
 
-		ret = csid_reset(csid);
+		ret = csid->ops->reset(csid);
 		if (ret < 0) {
 			disable_irq(csid->irq);
 			camss_disable_clocks(csid->nclocks, csid->clock);
@@ -599,8 +193,7 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
 			return ret;
 		}
 
-		hw_version = readl_relaxed(csid->base + CAMSS_CSID_HW_VERSION);
-		dev_dbg(dev, "CSID HW Version = 0x%08x\n", hw_version);
+		csid->ops->hw_version(csid);
 	} else {
 		disable_irq(csid->irq);
 		camss_disable_clocks(csid->nclocks, csid->clock);
@@ -623,16 +216,9 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
 static int csid_set_stream(struct v4l2_subdev *sd, int enable)
 {
 	struct csid_device *csid = v4l2_get_subdevdata(sd);
-	struct csid_testgen_config *tg = &csid->testgen;
-	enum camss_version ver = csid->camss->version;
-	u32 val;
+	int ret;
 
 	if (enable) {
-		u8 vc = 0; /* Virtual Channel 0 */
-		u8 cid = vc * 4; /* id of Virtual Channel and Data Type set */
-		u8 dt, dt_shift, df;
-		int ret;
-
 		ret = v4l2_ctrl_handler_setup(&csid->ctrls);
 		if (ret < 0) {
 			dev_err(csid->camss->dev,
@@ -640,116 +226,13 @@ static int csid_set_stream(struct v4l2_subdev *sd, int enable)
 			return ret;
 		}
 
-		if (!tg->enabled &&
+		if (!csid->testgen.enabled &&
 		    !media_entity_remote_pad(&csid->pads[MSM_CSID_PAD_SINK]))
 			return -ENOLINK;
-
-		if (tg->enabled) {
-			/* Config Test Generator */
-			struct v4l2_mbus_framefmt *f =
-					&csid->fmt[MSM_CSID_PAD_SRC];
-			const struct csid_format *format = csid_get_fmt_entry(
-					csid->formats, csid->nformats, f->code);
-			u32 num_bytes_per_line =
-				f->width * format->bpp * format->spp / 8;
-			u32 num_lines = f->height;
-
-			/* 31:24 V blank, 23:13 H blank, 3:2 num of active DT */
-			/* 1:0 VC */
-			val = ((CAMSS_CSID_TG_VC_CFG_V_BLANKING & 0xff) << 24) |
-			      ((CAMSS_CSID_TG_VC_CFG_H_BLANKING & 0x7ff) << 13);
-			writel_relaxed(val, csid->base +
-				       CAMSS_CSID_TG_VC_CFG(ver));
-
-			/* 28:16 bytes per lines, 12:0 num of lines */
-			val = ((num_bytes_per_line & 0x1fff) << 16) |
-			      (num_lines & 0x1fff);
-			writel_relaxed(val, csid->base +
-				       CAMSS_CSID_TG_DT_n_CGG_0(ver, 0));
-
-			dt = format->data_type;
-
-			/* 5:0 data type */
-			val = dt;
-			writel_relaxed(val, csid->base +
-				       CAMSS_CSID_TG_DT_n_CGG_1(ver, 0));
-
-			/* 2:0 output test pattern */
-			val = tg->payload_mode;
-			writel_relaxed(val, csid->base +
-				       CAMSS_CSID_TG_DT_n_CGG_2(ver, 0));
-
-			df = format->decode_format;
-		} else {
-			struct v4l2_mbus_framefmt *f =
-					&csid->fmt[MSM_CSID_PAD_SINK];
-			const struct csid_format *format = csid_get_fmt_entry(
-					csid->formats, csid->nformats, f->code);
-			struct csid_phy_config *phy = &csid->phy;
-
-			val = phy->lane_cnt - 1;
-			val |= phy->lane_assign << 4;
-
-			writel_relaxed(val,
-				       csid->base + CAMSS_CSID_CORE_CTRL_0);
-
-			val = phy->csiphy_id << 17;
-			val |= 0x9;
-
-			writel_relaxed(val,
-				       csid->base + CAMSS_CSID_CORE_CTRL_1);
-
-			dt = format->data_type;
-			df = format->decode_format;
-		}
-
-		/* Config LUT */
-
-		dt_shift = (cid % 4) * 8;
-
-		val = readl_relaxed(csid->base +
-				    CAMSS_CSID_CID_LUT_VC_n(ver, vc));
-		val &= ~(0xff << dt_shift);
-		val |= dt << dt_shift;
-		writel_relaxed(val, csid->base +
-			       CAMSS_CSID_CID_LUT_VC_n(ver, vc));
-
-		val = CAMSS_CSID_CID_n_CFG_ISPIF_EN;
-		val |= CAMSS_CSID_CID_n_CFG_RDI_EN;
-		val |= df << CAMSS_CSID_CID_n_CFG_DECODE_FORMAT_SHIFT;
-		val |= CAMSS_CSID_CID_n_CFG_RDI_MODE_RAW_DUMP;
-
-		if (csid->camss->version == CAMSS_8x96 ||
-		    csid->camss->version == CAMSS_660) {
-			u32 sink_code = csid->fmt[MSM_CSID_PAD_SINK].code;
-			u32 src_code = csid->fmt[MSM_CSID_PAD_SRC].code;
-
-			if ((sink_code == MEDIA_BUS_FMT_SBGGR10_1X10 &&
-			     src_code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE) ||
-			    (sink_code == MEDIA_BUS_FMT_Y10_1X10 &&
-			     src_code == MEDIA_BUS_FMT_Y10_2X8_PADHI_LE)) {
-				val |= CAMSS_CSID_CID_n_CFG_RDI_MODE_PLAIN_PACKING;
-				val |= CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_16;
-				val |= CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_LSB;
-			}
-		}
-
-		writel_relaxed(val, csid->base +
-			       CAMSS_CSID_CID_n_CFG(ver, cid));
-
-		if (tg->enabled) {
-			val = CAMSS_CSID_TG_CTRL_ENABLE;
-			writel_relaxed(val, csid->base +
-				       CAMSS_CSID_TG_CTRL(ver));
-		}
-	} else {
-		if (tg->enabled) {
-			val = CAMSS_CSID_TG_CTRL_DISABLE;
-			writel_relaxed(val, csid->base +
-				       CAMSS_CSID_TG_CTRL(ver));
-		}
 	}
 
+	csid->ops->configure_stream(csid, enable);
+
 	return 0;
 }
 
@@ -818,7 +301,7 @@ static void csid_try_format(struct csid_device *csid,
 
 			*fmt = *__csid_get_format(csid, cfg,
 						      MSM_CSID_PAD_SINK, which);
-			fmt->code = csid_src_pad_code(csid, fmt->code, 0, code);
+			fmt->code = csid->ops->src_pad_code(csid, fmt->code, 0, code);
 		} else {
 			/* Test generator is enabled, set format on source */
 			/* pad to allow test generator usage */
@@ -868,7 +351,7 @@ static int csid_enum_mbus_code(struct v4l2_subdev *sd,
 						     MSM_CSID_PAD_SINK,
 						     code->which);
 
-			code->code = csid_src_pad_code(csid, sink_fmt->code,
+			code->code = csid->ops->src_pad_code(csid, sink_fmt->code,
 						       code->index, 0);
 			if (!code->code)
 				return -EINVAL;
@@ -1004,15 +487,6 @@ static int csid_init_formats(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
 	return csid_set_format(sd, fh ? fh->pad : NULL, &format);
 }
 
-static const char * const csid_test_pattern_menu[] = {
-	"Disabled",
-	"Incrementing",
-	"Alternating 0x55/0xAA",
-	"All Zeros 0x00",
-	"All Ones 0xFF",
-	"Pseudo-random Data",
-};
-
 /*
  * csid_set_test_pattern - Set test generator's pattern mode
  * @csid: CSID device
@@ -1030,25 +504,7 @@ static int csid_set_test_pattern(struct csid_device *csid, s32 value)
 
 	tg->enabled = !!value;
 
-	switch (value) {
-	case 1:
-		tg->payload_mode = CSID_PAYLOAD_MODE_INCREMENTING;
-		break;
-	case 2:
-		tg->payload_mode = CSID_PAYLOAD_MODE_ALTERNATING_55_AA;
-		break;
-	case 3:
-		tg->payload_mode = CSID_PAYLOAD_MODE_ALL_ZEROES;
-		break;
-	case 4:
-		tg->payload_mode = CSID_PAYLOAD_MODE_ALL_ONES;
-		break;
-	case 5:
-		tg->payload_mode = CSID_PAYLOAD_MODE_RANDOM;
-		break;
-	}
-
-	return 0;
+	return csid->ops->configure_testgen_pattern(csid, value);
 }
 
 /*
@@ -1097,26 +553,23 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
 	csid->id = id;
 
 	if (camss->version == CAMSS_8x16) {
-		csid->formats = csid_formats_8x16;
-		csid->nformats =
-				ARRAY_SIZE(csid_formats_8x16);
+		csid->ops = &csid_ops_4_1;
 	} else if (camss->version == CAMSS_8x96 ||
 		   camss->version == CAMSS_660) {
-		csid->formats = csid_formats_8x96;
-		csid->nformats =
-				ARRAY_SIZE(csid_formats_8x96);
+		csid->ops = &csid_ops_4_7;
+	} else if (camss->version == CAMSS_845) {
+		csid->ops = &csid_ops_170;
 	} else {
 		return -EINVAL;
 	}
+	csid->ops->subdev_init(csid);
 
 	/* Memory */
 
 	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, res->reg[0]);
 	csid->base = devm_ioremap_resource(dev, r);
-	if (IS_ERR(csid->base)) {
-		dev_err(dev, "could not map memory\n");
+	if (IS_ERR(csid->base))
 		return PTR_ERR(csid->base);
-	}
 
 	/* Interrupt */
 
@@ -1130,8 +583,8 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
 	csid->irq = r->start;
 	snprintf(csid->irq_name, sizeof(csid->irq_name), "%s_%s%d",
 		 dev_name(dev), MSM_CSID_NAME, csid->id);
-	ret = devm_request_irq(dev, csid->irq, csid_isr,
-		IRQF_TRIGGER_RISING, csid->irq_name, csid);
+	ret = devm_request_irq(dev, csid->irq, csid->ops->isr,
+			       IRQF_TRIGGER_RISING, csid->irq_name, csid);
 	if (ret < 0) {
 		dev_err(dev, "request_irq failed: %d\n", ret);
 		return ret;
@@ -1341,8 +794,8 @@ int msm_csid_register_entity(struct csid_device *csid,
 
 	csid->testgen_mode = v4l2_ctrl_new_std_menu_items(&csid->ctrls,
 				&csid_ctrl_ops, V4L2_CID_TEST_PATTERN,
-				ARRAY_SIZE(csid_test_pattern_menu) - 1, 0, 0,
-				csid_test_pattern_menu);
+				csid->testgen.nmodes, 0, 0,
+				csid->testgen.modes);
 
 	if (csid->ctrls.error) {
 		dev_err(dev, "Failed to init ctrl: %d\n", csid->ctrls.error);