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Message-ID: <20250311063849.GB29331@pendragon.ideasonboard.com>
Date: Tue, 11 Mar 2025 08:38:49 +0200
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Shravan.Chippa@...rochip.com
Cc: tarang.raval@...iconsignals.io, sakari.ailus@...ux.intel.com,
kieran.bingham@...asonboard.com, mchehab@...nel.org,
hverkuil@...all.nl, umang.jain@...asonboard.com,
zhi.mao@...iatek.com, julien.massot@...labora.com,
mike.rudenko@...il.com, benjamin.mugnier@...s.st.com,
linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/6] media: i2c: imx334: Convert to CCI register access
helpers
Hi Shravan,
On Tue, Mar 11, 2025 at 06:14:28AM +0000, Shravan.Chippa@...rochip.com wrote:
> Hi Tarang,
>
> Thanks for the patch series with CCI register access helpers on top of my patches
> I have tested (1080p,720p, 480p resolution only) and working on my
> board with small PLL changes to make it compatible with pfsoc board
> (mpfs-video-kit).
Could you please provide more information about what those PLL changes
are ?
>
> Acked-by: Shravan.Chippa@...rochip.com
>
> Thanks,
> Shravan
>
> > -----Original Message-----
> > From: Tarang Raval <tarang.raval@...iconsignals.io>
> > Sent: Monday, March 10, 2025 12:48 PM
> > To: sakari.ailus@...ux.intel.com; kieran.bingham@...asonboard.com
> > Cc: shravan Chippa - I35088 <Shravan.Chippa@...rochip.com>; Tarang Raval
> > <tarang.raval@...iconsignals.io>; Mauro Carvalho Chehab
> > <mchehab@...nel.org>; Hans Verkuil <hverkuil@...all.nl>; Laurent Pinchart
> > <laurent.pinchart@...asonboard.com>; Umang Jain
> > <umang.jain@...asonboard.com>; Zhi Mao <zhi.mao@...iatek.com>; Julien
> > Massot <julien.massot@...labora.com>; Mikhail Rudenko
> > <mike.rudenko@...il.com>; Benjamin Mugnier
> > <benjamin.mugnier@...s.st.com>; linux-media@...r.kernel.org; linux-
> > kernel@...r.kernel.org
> > Subject: [PATCH 2/6] media: i2c: imx334: Convert to CCI register access
> > helpers
> >
> > EXTERNAL EMAIL: Do not click links or open attachments unless you know the
> > content is safe
> >
> > Use the new common CCI register access helpers to replace the private
> > register access helpers in the imx334 driver. This simplifies the driver by
> > reducing the amount of code.
> >
> > Signed-off-by: Tarang Raval <tarang.raval@...iconsignals.io>
> > ---
> > drivers/media/i2c/Kconfig | 1 +
> > drivers/media/i2c/imx334.c | 698 ++++++++++++++++---------------------
> > 2 files changed, 295 insertions(+), 404 deletions(-)
> >
> > diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index
> > 85ecb2aeefdb..c8138c1079fd 100644
> > --- a/drivers/media/i2c/Kconfig
> > +++ b/drivers/media/i2c/Kconfig
> > @@ -217,6 +217,7 @@ config VIDEO_IMX319
> > config VIDEO_IMX334
> > tristate "Sony IMX334 sensor support"
> > depends on OF_GPIO
> > + select V4L2_CCI_I2C
> > help
> > This is a Video4Linux2 sensor driver for the Sony
> > IMX334 camera.
> > diff --git a/drivers/media/i2c/imx334.c b/drivers/media/i2c/imx334.c index
> > ad0b03a3f573..1fed03494813 100644
> > --- a/drivers/media/i2c/imx334.c
> > +++ b/drivers/media/i2c/imx334.c
> > @@ -12,42 +12,98 @@
> > #include <linux/module.h>
> > #include <linux/pm_runtime.h>
> >
> > +#include <media/v4l2-cci.h>
> > #include <media/v4l2-ctrls.h>
> > #include <media/v4l2-fwnode.h>
> > #include <media/v4l2-subdev.h>
> >
> > /* Streaming Mode */
> > -#define IMX334_REG_MODE_SELECT 0x3000
> > +#define IMX334_REG_MODE_SELECT CCI_REG8(0x3000)
> > #define IMX334_MODE_STANDBY 0x01
> > #define IMX334_MODE_STREAMING 0x00
> >
> > /* Lines per frame */
> > -#define IMX334_REG_LPFR 0x3030
> > +#define IMX334_REG_VMAX CCI_REG24_LE(0x3030)
> > +
> > +#define IMX334_REG_HMAX CCI_REG16_LE(0x3034)
> > +
> > +#define IMX334_REG_OPB_SIZE_V CCI_REG8(0x304c)
> > +#define IMX334_REG_ADBIT CCI_REG8(0x3050)
> > +#define IMX334_REG_MDBIT CCI_REG8(0x319d)
> > +#define IMX334_REG_ADBIT1 CCI_REG16_LE(0x341c)
> > +#define IMX334_REG_Y_OUT_SIZE CCI_REG16_LE(0x3308)
> > +#define IMX334_REG_XVS_XHS_OUTSEL CCI_REG8(0x31a0)
> > +#define IMX334_REG_XVS_XHS_DRV CCI_REG8(0x31a1)
> >
> > /* Chip ID */
> > -#define IMX334_REG_ID 0x3044
> > +#define IMX334_REG_ID CCI_REG8(0x3044)
> > #define IMX334_ID 0x1e
> >
> > /* Exposure control */
> > -#define IMX334_REG_SHUTTER 0x3058
> > +#define IMX334_REG_SHUTTER CCI_REG24_LE(0x3058)
> > #define IMX334_EXPOSURE_MIN 1
> > #define IMX334_EXPOSURE_OFFSET 5
> > #define IMX334_EXPOSURE_STEP 1
> > #define IMX334_EXPOSURE_DEFAULT 0x0648
> >
> > +#define IMX334_REG_LANEMODE CCI_REG8(0x3a01)
> > +
> > +/* Window cropping Settings */
> > +#define IMX334_REG_AREA3_ST_ADR_1 CCI_REG16_LE(0x3074)
> > +#define IMX334_REG_AREA3_ST_ADR_2 CCI_REG16_LE(0x308e)
> > +#define IMX334_REG_UNREAD_PARAM5 CCI_REG16_LE(0x30b6)
> > +#define IMX334_REG_AREA3_WIDTH_1 CCI_REG16_LE(0x3076)
> > +#define IMX334_REG_AREA3_WIDTH_2 CCI_REG16_LE(0x3090)
> > +#define IMX334_REG_BLACK_OFSET_ADR CCI_REG16_LE(0x30c6)
> > +#define IMX334_REG_UNRD_LINE_MAX CCI_REG16_LE(0x30ce)
> > +#define IMX334_REG_UNREAD_ED_ADR CCI_REG16_LE(0x30d8)
> > +#define IMX334_REG_UNREAD_PARAM6 CCI_REG16_LE(0x3116)
> > +
> > +#define IMX334_REG_VREVERSE CCI_REG8(0x304f)
> > +#define IMX334_REG_HREVERSE CCI_REG8(0x304e)
> > +
> > +/* Binning Settings */
> > +#define IMX334_REG_HADD_VADD CCI_REG8(0x3199)
> > +#define IMX334_REG_VALID_EXPAND CCI_REG8(0x31dd)
> > +#define IMX334_REG_TCYCLE CCI_REG8(0x3300)
> > +
> > /* Analog gain control */
> > -#define IMX334_REG_AGAIN 0x30e8
> > +#define IMX334_REG_AGAIN CCI_REG16_LE(0x30e8)
> > #define IMX334_AGAIN_MIN 0
> > #define IMX334_AGAIN_MAX 240
> > #define IMX334_AGAIN_STEP 1
> > #define IMX334_AGAIN_DEFAULT 0
> >
> > /* Group hold register */
> > -#define IMX334_REG_HOLD 0x3001
> > +#define IMX334_REG_HOLD CCI_REG8(0x3001)
> > +
> > +#define IMX334_REG_MASTER_MODE CCI_REG8(0x3002)
> > +#define IMX334_REG_WINMODE CCI_REG8(0x3018)
> > +#define IMX334_REG_HTRIMMING_START CCI_REG16_LE(0x302c)
> > +#define IMX334_REG_HNUM CCI_REG16_LE(0x302e)
> >
> > /* Input clock rate */
> > #define IMX334_INCLK_RATE 24000000
> >
> > +/* INCK Setting Register */
> > +#define IMX334_REG_BCWAIT_TIME CCI_REG8(0x300c)
> > +#define IMX334_REG_CPWAIT_TIME CCI_REG8(0x300d)
> > +#define IMX334_REG_INCKSEL1 CCI_REG16_LE(0x314c)
> > +#define IMX334_REG_INCKSEL2 CCI_REG8(0x315a)
> > +#define IMX334_REG_INCKSEL3 CCI_REG8(0x3168)
> > +#define IMX334_REG_INCKSEL4 CCI_REG8(0x316a)
> > +#define IMX334_REG_SYS_MODE CCI_REG8(0x319e)
> > +
> > +#define IMX334_REG_TCLKPOST CCI_REG16_LE(0x3a18)
> > +#define IMX334_REG_TCLKPREPARE CCI_REG16_LE(0x3a1a)
> > +#define IMX334_REG_TCLKTRAIL CCI_REG16_LE(0x3a1c)
> > +#define IMX334_REG_TCLKZERO CCI_REG16_LE(0x3a1e)
> > +#define IMX334_REG_THSPREPARE CCI_REG16_LE(0x3a20)
> > +#define IMX334_REG_THSZERO CCI_REG16_LE(0x3a22)
> > +#define IMX334_REG_THSTRAIL CCI_REG16_LE(0x3a24)
> > +#define IMX334_REG_THSEXIT CCI_REG16_LE(0x3a26)
> > +#define IMX334_REG_TPLX CCI_REG16_LE(0x3a28)
> > +
> > /* CSI2 HW configuration */
> > #define IMX334_LINK_FREQ_891M 891000000 #define
> > IMX334_LINK_FREQ_445M 445500000 @@ -57,32 +113,22 @@
> > #define IMX334_REG_MAX 0xfffff
> >
> > /* Test Pattern Control */
> > -#define IMX334_REG_TP 0x329e
> > +#define IMX334_REG_TP CCI_REG8(0x329e)
> > #define IMX334_TP_COLOR_HBARS 0xA
> > #define IMX334_TP_COLOR_VBARS 0xB
> >
> > -#define IMX334_TPG_EN_DOUT 0x329c
> > +#define IMX334_TPG_EN_DOUT CCI_REG8(0x329c)
> > #define IMX334_TP_ENABLE 0x1
> > #define IMX334_TP_DISABLE 0x0
> >
> > -#define IMX334_TPG_COLORW 0x32a0
> > +#define IMX334_TPG_COLORW CCI_REG8(0x32a0)
> > #define IMX334_TPG_COLORW_120P 0x13
> >
> > -#define IMX334_TP_CLK_EN 0x3148
> > +#define IMX334_TP_CLK_EN CCI_REG8(0x3148)
> > #define IMX334_TP_CLK_EN_VAL 0x10
> > #define IMX334_TP_CLK_DIS_VAL 0x0
> >
> > -#define IMX334_DIG_CLP_MODE 0x3280
> > -
> > -/**
> > - * struct imx334_reg - imx334 sensor register
> > - * @address: Register address
> > - * @val: Register value
> > - */
> > -struct imx334_reg {
> > - u16 address;
> > - u8 val;
> > -};
> > +#define IMX334_DIG_CLP_MODE CCI_REG8(0x3280)
> >
> > /**
> > * struct imx334_reg_list - imx334 sensor register list @@ -91,7 +137,7 @@
> > struct imx334_reg {
> > */
> > struct imx334_reg_list {
> > u32 num_of_regs;
> > - const struct imx334_reg *regs;
> > + const struct cci_reg_sequence *regs;
> > };
> >
> > /**
> > @@ -121,6 +167,7 @@ struct imx334_mode {
> > /**
> > * struct imx334 - imx334 sensor device structure
> > * @dev: Pointer to generic device
> > + * @cci: CCI register map
> > * @client: Pointer to i2c client
> > * @sd: V4L2 sub-device
> > * @pad: Media pad. Only one pad supported @@ -141,6 +188,7 @@ struct
> > imx334_mode {
> > */
> > struct imx334 {
> > struct device *dev;
> > + struct regmap *cci;
> > struct i2c_client *client;
> > struct v4l2_subdev sd;
> > struct media_pad pad;
> > @@ -168,250 +216,191 @@ static const s64 link_freq[] = { };
> >
> > /* Sensor common mode registers values */ -static const struct imx334_reg
> > common_mode_regs[] = {
> > - {0x3000, 0x01},
> > - {0x3018, 0x04},
> > - {0x3030, 0xca},
> > - {0x3031, 0x08},
> > - {0x3032, 0x00},
> > - {0x3034, 0x4c},
> > - {0x3035, 0x04},
> > - {0x30c6, 0x00},
> > - {0x30c7, 0x00},
> > - {0x30ce, 0x00},
> > - {0x30cf, 0x00},
> > - {0x304c, 0x00},
> > - {0x304e, 0x00},
> > - {0x304f, 0x00},
> > - {0x3050, 0x00},
> > - {0x30b6, 0x00},
> > - {0x30b7, 0x00},
> > - {0x3116, 0x08},
> > - {0x3117, 0x00},
> > - {0x31a0, 0x20},
> > - {0x31a1, 0x0f},
> > - {0x300c, 0x3b},
> > - {0x300d, 0x2a},
> > - {0x314c, 0x29},
> > - {0x314d, 0x01},
> > - {0x315a, 0x06},
> > - {0x3168, 0xa0},
> > - {0x316a, 0x7e},
> > - {0x319e, 0x02},
> > - {0x3199, 0x00},
> > - {0x319d, 0x00},
> > - {0x31dd, 0x03},
> > - {0x3300, 0x00},
> > - {0x341c, 0xff},
> > - {0x341d, 0x01},
> > - {0x3a01, 0x03},
> > - {0x3a18, 0x7f},
> > - {0x3a19, 0x00},
> > - {0x3a1a, 0x37},
> > - {0x3a1b, 0x00},
> > - {0x3a1c, 0x37},
> > - {0x3a1d, 0x00},
> > - {0x3a1e, 0xf7},
> > - {0x3a1f, 0x00},
> > - {0x3a20, 0x3f},
> > - {0x3a21, 0x00},
> > - {0x3a20, 0x6f},
> > - {0x3a21, 0x00},
> > - {0x3a20, 0x3f},
> > - {0x3a21, 0x00},
> > - {0x3a20, 0x5f},
> > - {0x3a21, 0x00},
> > - {0x3a20, 0x2f},
> > - {0x3a21, 0x00},
> > - {0x3078, 0x02},
> > - {0x3079, 0x00},
> > - {0x307a, 0x00},
> > - {0x307b, 0x00},
> > - {0x3080, 0x02},
> > - {0x3081, 0x00},
> > - {0x3082, 0x00},
> > - {0x3083, 0x00},
> > - {0x3088, 0x02},
> > - {0x3094, 0x00},
> > - {0x3095, 0x00},
> > - {0x3096, 0x00},
> > - {0x309b, 0x02},
> > - {0x309c, 0x00},
> > - {0x309d, 0x00},
> > - {0x309e, 0x00},
> > - {0x30a4, 0x00},
> > - {0x30a5, 0x00},
> > - {0x3288, 0x21},
> > - {0x328a, 0x02},
> > - {0x3414, 0x05},
> > - {0x3416, 0x18},
> > - {0x35Ac, 0x0e},
> > - {0x3648, 0x01},
> > - {0x364a, 0x04},
> > - {0x364c, 0x04},
> > - {0x3678, 0x01},
> > - {0x367c, 0x31},
> > - {0x367e, 0x31},
> > - {0x3708, 0x02},
> > - {0x3714, 0x01},
> > - {0x3715, 0x02},
> > - {0x3716, 0x02},
> > - {0x3717, 0x02},
> > - {0x371c, 0x3d},
> > - {0x371d, 0x3f},
> > - {0x372c, 0x00},
> > - {0x372d, 0x00},
> > - {0x372e, 0x46},
> > - {0x372f, 0x00},
> > - {0x3730, 0x89},
> > - {0x3731, 0x00},
> > - {0x3732, 0x08},
> > - {0x3733, 0x01},
> > - {0x3734, 0xfe},
> > - {0x3735, 0x05},
> > - {0x375d, 0x00},
> > - {0x375e, 0x00},
> > - {0x375f, 0x61},
> > - {0x3760, 0x06},
> > - {0x3768, 0x1b},
> > - {0x3769, 0x1b},
> > - {0x376a, 0x1a},
> > - {0x376b, 0x19},
> > - {0x376c, 0x18},
> > - {0x376d, 0x14},
> > - {0x376e, 0x0f},
> > - {0x3776, 0x00},
> > - {0x3777, 0x00},
> > - {0x3778, 0x46},
> > - {0x3779, 0x00},
> > - {0x377a, 0x08},
> > - {0x377b, 0x01},
> > - {0x377c, 0x45},
> > - {0x377d, 0x01},
> > - {0x377e, 0x23},
> > - {0x377f, 0x02},
> > - {0x3780, 0xd9},
> > - {0x3781, 0x03},
> > - {0x3782, 0xf5},
> > - {0x3783, 0x06},
> > - {0x3784, 0xa5},
> > - {0x3788, 0x0f},
> > - {0x378a, 0xd9},
> > - {0x378b, 0x03},
> > - {0x378c, 0xeb},
> > - {0x378d, 0x05},
> > - {0x378e, 0x87},
> > - {0x378f, 0x06},
> > - {0x3790, 0xf5},
> > - {0x3792, 0x43},
> > - {0x3794, 0x7a},
> > - {0x3796, 0xa1},
> > - {0x37b0, 0x37},
> > - {0x3e04, 0x0e},
> > - {0x30e8, 0x50},
> > - {0x30e9, 0x00},
> > - {0x3e04, 0x0e},
> > - {0x3002, 0x00},
> > +static const struct cci_reg_sequence common_mode_regs[] = {
> > + { IMX334_REG_MODE_SELECT, IMX334_MODE_STANDBY},
> > + { IMX334_REG_WINMODE, 0x04},
> > + { IMX334_REG_VMAX, 0x0008ca},
> > + { IMX334_REG_HMAX, 0x044c},
> > + { IMX334_REG_BLACK_OFSET_ADR, 0x0000},
> > + { IMX334_REG_UNRD_LINE_MAX, 0x0000},
> > + { IMX334_REG_OPB_SIZE_V, 0x00},
> > + { IMX334_REG_HREVERSE, 0x00},
> > + { IMX334_REG_VREVERSE, 0x00},
> > + { IMX334_REG_ADBIT, 0x00},
> > + { IMX334_REG_UNREAD_PARAM5, 0x0000},
> > + { IMX334_REG_UNREAD_PARAM6, 0x0008},
> > + { IMX334_REG_XVS_XHS_OUTSEL, 0x20},
> > + { IMX334_REG_XVS_XHS_DRV, 0x0f},
> > + { IMX334_REG_BCWAIT_TIME, 0x3b},
> > + { IMX334_REG_CPWAIT_TIME, 0x2a},
> > + { IMX334_REG_INCKSEL1, 0x0129},
> > + { IMX334_REG_INCKSEL2, 0x06},
> > + { IMX334_REG_INCKSEL3, 0xa0},
> > + { IMX334_REG_INCKSEL4, 0x7e},
> > + { IMX334_REG_SYS_MODE, 0x02},
> > + { IMX334_REG_HADD_VADD, 0x00},
> > + { IMX334_REG_MDBIT, 0x00},
> > + { IMX334_REG_VALID_EXPAND, 0x03},
> > + { IMX334_REG_TCYCLE, 0x00},
> > + { IMX334_REG_ADBIT1, 0x01ff},
> > + { IMX334_REG_LANEMODE, 0x03},
> > + { IMX334_REG_TCLKPOST, 0x007f},
> > + { IMX334_REG_TCLKPREPARE, 0x0037},
> > + { IMX334_REG_TCLKTRAIL, 0x0037},
> > + { IMX334_REG_TCLKZERO, 0xf7},
> > + { IMX334_REG_THSPREPARE, 0x003f},
> > + { IMX334_REG_THSPREPARE, 0x006f},
> > + { IMX334_REG_THSPREPARE, 0x003f},
> > + { IMX334_REG_THSPREPARE, 0x005f},
> > + { IMX334_REG_THSPREPARE, 0x002f},
> > + { CCI_REG8(0x3078), 0x02},
> > + { CCI_REG8(0x3079), 0x00},
> > + { CCI_REG8(0x307a), 0x00},
> > + { CCI_REG8(0x307b), 0x00},
> > + { CCI_REG8(0x3080), 0x02},
> > + { CCI_REG8(0x3081), 0x00},
> > + { CCI_REG8(0x3082), 0x00},
> > + { CCI_REG8(0x3083), 0x00},
> > + { CCI_REG8(0x3088), 0x02},
> > + { CCI_REG8(0x3094), 0x00},
> > + { CCI_REG8(0x3095), 0x00},
> > + { CCI_REG8(0x3096), 0x00},
> > + { CCI_REG8(0x309b), 0x02},
> > + { CCI_REG8(0x309c), 0x00},
> > + { CCI_REG8(0x309d), 0x00},
> > + { CCI_REG8(0x309e), 0x00},
> > + { CCI_REG8(0x30a4), 0x00},
> > + { CCI_REG8(0x30a5), 0x00},
> > + { CCI_REG8(0x3288), 0x21},
> > + { CCI_REG8(0x328a), 0x02},
> > + { CCI_REG8(0x3414), 0x05},
> > + { CCI_REG8(0x3416), 0x18},
> > + { CCI_REG8(0x35Ac), 0x0e},
> > + { CCI_REG8(0x3648), 0x01},
> > + { CCI_REG8(0x364a), 0x04},
> > + { CCI_REG8(0x364c), 0x04},
> > + { CCI_REG8(0x3678), 0x01},
> > + { CCI_REG8(0x367c), 0x31},
> > + { CCI_REG8(0x367e), 0x31},
> > + { CCI_REG8(0x3708), 0x02},
> > + { CCI_REG8(0x3714), 0x01},
> > + { CCI_REG8(0x3715), 0x02},
> > + { CCI_REG8(0x3716), 0x02},
> > + { CCI_REG8(0x3717), 0x02},
> > + { CCI_REG8(0x371c), 0x3d},
> > + { CCI_REG8(0x371d), 0x3f},
> > + { CCI_REG8(0x372c), 0x00},
> > + { CCI_REG8(0x372d), 0x00},
> > + { CCI_REG8(0x372e), 0x46},
> > + { CCI_REG8(0x372f), 0x00},
> > + { CCI_REG8(0x3730), 0x89},
> > + { CCI_REG8(0x3731), 0x00},
> > + { CCI_REG8(0x3732), 0x08},
> > + { CCI_REG8(0x3733), 0x01},
> > + { CCI_REG8(0x3734), 0xfe},
> > + { CCI_REG8(0x3735), 0x05},
> > + { CCI_REG8(0x375d), 0x00},
> > + { CCI_REG8(0x375e), 0x00},
> > + { CCI_REG8(0x375f), 0x61},
> > + { CCI_REG8(0x3760), 0x06},
> > + { CCI_REG8(0x3768), 0x1b},
> > + { CCI_REG8(0x3769), 0x1b},
> > + { CCI_REG8(0x376a), 0x1a},
> > + { CCI_REG8(0x376b), 0x19},
> > + { CCI_REG8(0x376c), 0x18},
> > + { CCI_REG8(0x376d), 0x14},
> > + { CCI_REG8(0x376e), 0x0f},
> > + { CCI_REG8(0x3776), 0x00},
> > + { CCI_REG8(0x3777), 0x00},
> > + { CCI_REG8(0x3778), 0x46},
> > + { CCI_REG8(0x3779), 0x00},
> > + { CCI_REG8(0x377a), 0x08},
> > + { CCI_REG8(0x377b), 0x01},
> > + { CCI_REG8(0x377c), 0x45},
> > + { CCI_REG8(0x377d), 0x01},
> > + { CCI_REG8(0x377e), 0x23},
> > + { CCI_REG8(0x377f), 0x02},
> > + { CCI_REG8(0x3780), 0xd9},
> > + { CCI_REG8(0x3781), 0x03},
> > + { CCI_REG8(0x3782), 0xf5},
> > + { CCI_REG8(0x3783), 0x06},
> > + { CCI_REG8(0x3784), 0xa5},
> > + { CCI_REG8(0x3788), 0x0f},
> > + { CCI_REG8(0x378a), 0xd9},
> > + { CCI_REG8(0x378b), 0x03},
> > + { CCI_REG8(0x378c), 0xeb},
> > + { CCI_REG8(0x378d), 0x05},
> > + { CCI_REG8(0x378e), 0x87},
> > + { CCI_REG8(0x378f), 0x06},
> > + { CCI_REG8(0x3790), 0xf5},
> > + { CCI_REG8(0x3792), 0x43},
> > + { CCI_REG8(0x3794), 0x7a},
> > + { CCI_REG8(0x3796), 0xa1},
> > + { CCI_REG8(0x37b0), 0x37},
> > + { CCI_REG8(0x3e04), 0x0e},
> > + { IMX334_REG_AGAIN, 0x0050},
> > + { CCI_REG8(0x3e04), 0x0e},
> > + { IMX334_REG_MASTER_MODE, 0x00},
> > };
> >
> > /* Sensor mode registers for 640x480@...ps */ -static const struct
> > imx334_reg mode_640x480_regs[] = {
> > - {0x302c, 0x70},
> > - {0x302d, 0x06},
> > - {0x302e, 0x80},
> > - {0x302f, 0x02},
> > - {0x3074, 0x48},
> > - {0x3075, 0x07},
> > - {0x308e, 0x49},
> > - {0x308f, 0x07},
> > - {0x3076, 0xe0},
> > - {0x3077, 0x01},
> > - {0x3090, 0xe0},
> > - {0x3091, 0x01},
> > - {0x3308, 0xe0},
> > - {0x3309, 0x01},
> > - {0x30d8, 0x30},
> > - {0x30d9, 0x0b},
> > +static const struct cci_reg_sequence mode_640x480_regs[] = {
> > + {IMX334_REG_HTRIMMING_START, 0x0670},
> > + {IMX334_REG_HNUM, 0x0280},
> > + {IMX334_REG_AREA3_ST_ADR_1, 0x0748},
> > + {IMX334_REG_AREA3_ST_ADR_2, 0x0749},
> > + {IMX334_REG_AREA3_WIDTH_1, 0x01e0},
> > + {IMX334_REG_AREA3_WIDTH_2, 0x01e0},
> > + {IMX334_REG_Y_OUT_SIZE, 0x01e0},
> > + {IMX334_REG_UNREAD_ED_ADR, 0x0b30},
> > };
> >
> > /* Sensor mode registers for 1280x720@...ps */ -static const struct
> > imx334_reg mode_1280x720_regs[] = {
> > - {0x302c, 0x30},
> > - {0x302d, 0x05},
> > - {0x302e, 0x00},
> > - {0x302f, 0x05},
> > - {0x3074, 0x84},
> > - {0x3075, 0x03},
> > - {0x308e, 0x85},
> > - {0x308f, 0x03},
> > - {0x3076, 0xd0},
> > - {0x3077, 0x02},
> > - {0x3090, 0xd0},
> > - {0x3091, 0x02},
> > - {0x3308, 0xd0},
> > - {0x3309, 0x02},
> > - {0x30d8, 0x30},
> > - {0x30d9, 0x0b},
> > +static const struct cci_reg_sequence mode_1280x720_regs[] = {
> > + {IMX334_REG_HTRIMMING_START, 0x0530},
> > + {IMX334_REG_HNUM, 0x0500},
> > + {IMX334_REG_AREA3_ST_ADR_1, 0x0384},
> > + {IMX334_REG_AREA3_ST_ADR_2, 0x0385},
> > + {IMX334_REG_AREA3_WIDTH_1, 0x02d0},
> > + {IMX334_REG_AREA3_WIDTH_2, 0x02d0},
> > + {IMX334_REG_Y_OUT_SIZE, 0x02d0},
> > + {IMX334_REG_UNREAD_ED_ADR, 0x0b30},
> > };
> >
> > /* Sensor mode registers for 1920x1080@...ps */ -static const struct
> > imx334_reg mode_1920x1080_regs[] = {
> > - {0x302c, 0xf0},
> > - {0x302d, 0x03},
> > - {0x302e, 0x80},
> > - {0x302f, 0x07},
> > - {0x3074, 0xcc},
> > - {0x3075, 0x02},
> > - {0x308e, 0xcd},
> > - {0x308f, 0x02},
> > - {0x3076, 0x38},
> > - {0x3077, 0x04},
> > - {0x3090, 0x38},
> > - {0x3091, 0x04},
> > - {0x3308, 0x38},
> > - {0x3309, 0x04},
> > - {0x30d8, 0x18},
> > - {0x30d9, 0x0a},
> > +static const struct cci_reg_sequence mode_1920x1080_regs[] = {
> > + {IMX334_REG_HTRIMMING_START, 0x03f0},
> > + {IMX334_REG_HNUM, 0x0780},
> > + {IMX334_REG_AREA3_ST_ADR_1, 0x02cc},
> > + {IMX334_REG_AREA3_ST_ADR_2, 0x02cd},
> > + {IMX334_REG_AREA3_WIDTH_1, 0x0438},
> > + {IMX334_REG_AREA3_WIDTH_2, 0x0438},
> > + {IMX334_REG_Y_OUT_SIZE, 0x0438},
> > + {IMX334_REG_UNREAD_ED_ADR, 0x0a18},
> > };
> >
> > /* Sensor mode registers for 3840x2160@...ps */ -static const struct
> > imx334_reg mode_3840x2160_regs[] = {
> > - {0x3034, 0x26},
> > - {0x3035, 0x02},
> > - {0x315a, 0x02},
> > - {0x302c, 0x3c},
> > - {0x302d, 0x00},
> > - {0x302e, 0x00},
> > - {0x302f, 0x0f},
> > - {0x3074, 0xb0},
> > - {0x3075, 0x00},
> > - {0x308e, 0xb1},
> > - {0x308f, 0x00},
> > - {0x30d8, 0x20},
> > - {0x30d9, 0x12},
> > - {0x3076, 0x70},
> > - {0x3077, 0x08},
> > - {0x3090, 0x70},
> > - {0x3091, 0x08},
> > - {0x3308, 0x70},
> > - {0x3309, 0x08},
> > - {0x319e, 0x00},
> > - {0x3a00, 0x01},
> > - {0x3a18, 0xbf},
> > - {0x3a1a, 0x67},
> > - {0x3a1c, 0x6f},
> > - {0x3a1e, 0xd7},
> > - {0x3a1f, 0x01},
> > - {0x3a20, 0x6f},
> > - {0x3a21, 0x00},
> > - {0x3a22, 0xcf},
> > - {0x3a23, 0x00},
> > - {0x3a24, 0x6f},
> > - {0x3a25, 0x00},
> > - {0x3a26, 0xb7},
> > - {0x3a27, 0x00},
> > - {0x3a28, 0x5f},
> > - {0x3a29, 0x00},
> > +static const struct cci_reg_sequence mode_3840x2160_regs[] = {
> > + {IMX334_REG_HMAX, 0x0226},
> > + {IMX334_REG_INCKSEL2, 0x02},
> > + {IMX334_REG_HTRIMMING_START, 0x003c},
> > + {IMX334_REG_HNUM, 0x0f00},
> > + {IMX334_REG_AREA3_ST_ADR_1, 0x00b0},
> > + {IMX334_REG_AREA3_ST_ADR_2, 0x00b1},
> > + {IMX334_REG_UNREAD_ED_ADR, 0x1220},
> > + {IMX334_REG_AREA3_WIDTH_1, 0x0870},
> > + {IMX334_REG_AREA3_WIDTH_2, 0x0870},
> > + {IMX334_REG_Y_OUT_SIZE, 0x0870},
> > + {IMX334_REG_SYS_MODE, 0x0100},
> > + {IMX334_REG_TCLKPOST, 0x00bf},
> > + {IMX334_REG_TCLKPREPARE, 0x0067},
> > + {IMX334_REG_TCLKTRAIL, 0x006f},
> > + {IMX334_REG_TCLKZERO, 0x1d7},
> > + {IMX334_REG_THSPREPARE, 0x006f},
> > + {IMX334_REG_THSZERO, 0x00cf},
> > + {IMX334_REG_THSTRAIL, 0x006f},
> > + {IMX334_REG_THSEXIT, 0x00b7},
> > + {IMX334_REG_TPLX, 0x005f},
> > };
> >
> > static const char * const imx334_test_pattern_menu[] = { @@ -426,18
> > +415,16 @@ static const int imx334_test_pattern_val[] = {
> > IMX334_TP_COLOR_VBARS,
> > };
> >
> > -static const struct imx334_reg raw10_framefmt_regs[] = {
> > - {0x3050, 0x00},
> > - {0x319d, 0x00},
> > - {0x341c, 0xff},
> > - {0x341d, 0x01},
> > +static const struct cci_reg_sequence raw10_framefmt_regs[] = {
> > + {IMX334_REG_ADBIT, 0x00},
> > + {IMX334_REG_MDBIT, 0x00},
> > + {IMX334_REG_ADBIT1, 0x01ff},
> > };
> >
> > -static const struct imx334_reg raw12_framefmt_regs[] = {
> > - {0x3050, 0x01},
> > - {0x319d, 0x01},
> > - {0x341c, 0x47},
> > - {0x341d, 0x00},
> > +static const struct cci_reg_sequence raw12_framefmt_regs[] = {
> > + {IMX334_REG_ADBIT, 0x01},
> > + {IMX334_REG_MDBIT, 0x01},
> > + {IMX334_REG_ADBIT1, 0x0047},
> > };
> >
> > static const u32 imx334_mbus_codes[] = { @@ -513,101 +500,6 @@ static
> > inline struct imx334 *to_imx334(struct v4l2_subdev *subdev)
> > return container_of(subdev, struct imx334, sd); }
> >
> > -/**
> > - * imx334_read_reg() - Read registers.
> > - * @imx334: pointer to imx334 device
> > - * @reg: register address
> > - * @len: length of bytes to read. Max supported bytes is 4
> > - * @val: pointer to register value to be filled.
> > - *
> > - * Big endian register addresses with little endian values.
> > - *
> > - * Return: 0 if successful, error code otherwise.
> > - */
> > -static int imx334_read_reg(struct imx334 *imx334, u16 reg, u32 len, u32
> > *val) -{
> > - struct i2c_client *client = v4l2_get_subdevdata(&imx334->sd);
> > - struct i2c_msg msgs[2] = {0};
> > - u8 addr_buf[2] = {0};
> > - u8 data_buf[4] = {0};
> > - int ret;
> > -
> > - if (WARN_ON(len > 4))
> > - return -EINVAL;
> > -
> > - put_unaligned_be16(reg, addr_buf);
> > -
> > - /* Write register address */
> > - msgs[0].addr = client->addr;
> > - msgs[0].flags = 0;
> > - msgs[0].len = ARRAY_SIZE(addr_buf);
> > - msgs[0].buf = addr_buf;
> > -
> > - /* Read data from register */
> > - msgs[1].addr = client->addr;
> > - msgs[1].flags = I2C_M_RD;
> > - msgs[1].len = len;
> > - msgs[1].buf = data_buf;
> > -
> > - ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
> > - if (ret != ARRAY_SIZE(msgs))
> > - return -EIO;
> > -
> > - *val = get_unaligned_le32(data_buf);
> > -
> > - return 0;
> > -}
> > -
> > -/**
> > - * imx334_write_reg() - Write register
> > - * @imx334: pointer to imx334 device
> > - * @reg: register address
> > - * @len: length of bytes. Max supported bytes is 4
> > - * @val: register value
> > - *
> > - * Big endian register addresses with little endian values.
> > - *
> > - * Return: 0 if successful, error code otherwise.
> > - */
> > -static int imx334_write_reg(struct imx334 *imx334, u16 reg, u32 len, u32 val)
> > -{
> > - struct i2c_client *client = v4l2_get_subdevdata(&imx334->sd);
> > - u8 buf[6] = {0};
> > -
> > - if (WARN_ON(len > 4))
> > - return -EINVAL;
> > -
> > - put_unaligned_be16(reg, buf);
> > - put_unaligned_le32(val, buf + 2);
> > - if (i2c_master_send(client, buf, len + 2) != len + 2)
> > - return -EIO;
> > -
> > - return 0;
> > -}
> > -
> > -/**
> > - * imx334_write_regs() - Write a list of registers
> > - * @imx334: pointer to imx334 device
> > - * @regs: list of registers to be written
> > - * @len: length of registers array
> > - *
> > - * Return: 0 if successful, error code otherwise.
> > - */
> > -static int imx334_write_regs(struct imx334 *imx334,
> > - const struct imx334_reg *regs, u32 len)
> > -{
> > - unsigned int i;
> > - int ret;
> > -
> > - for (i = 0; i < len; i++) {
> > - ret = imx334_write_reg(imx334, regs[i].address, 1, regs[i].val);
> > - if (ret)
> > - return ret;
> > - }
> > -
> > - return 0;
> > -}
> > -
> > /**
> > * imx334_update_controls() - Update control ranges based on streaming
> > mode
> > * @imx334: pointer to imx334 device
> > @@ -653,7 +545,7 @@ static int imx334_update_controls(struct imx334
> > *imx334, static int imx334_update_exp_gain(struct imx334 *imx334, u32
> > exposure, u32 gain) {
> > u32 lpfr, shutter;
> > - int ret;
> > + int ret, ret_hold;
> >
> > lpfr = imx334->vblank + imx334->cur_mode->height;
> > shutter = lpfr - exposure;
> > @@ -661,22 +553,14 @@ static int imx334_update_exp_gain(struct imx334
> > *imx334, u32 exposure, u32 gain)
> > dev_dbg(imx334->dev, "Set long exp %u analog gain %u sh0 %u lpfr
> > %u\n",
> > exposure, gain, shutter, lpfr);
> >
> > - ret = imx334_write_reg(imx334, IMX334_REG_HOLD, 1, 1);
> > - if (ret)
> > - return ret;
> > -
> > - ret = imx334_write_reg(imx334, IMX334_REG_LPFR, 3, lpfr);
> > - if (ret)
> > - goto error_release_group_hold;
> > -
> > - ret = imx334_write_reg(imx334, IMX334_REG_SHUTTER, 3, shutter);
> > - if (ret)
> > - goto error_release_group_hold;
> > -
> > - ret = imx334_write_reg(imx334, IMX334_REG_AGAIN, 1, gain);
> > + cci_write(imx334->cci, IMX334_REG_HOLD, 1, &ret);
> > + cci_write(imx334->cci, IMX334_REG_VMAX, lpfr, &ret);
> > + cci_write(imx334->cci, IMX334_REG_SHUTTER, shutter, &ret);
> > + cci_write(imx334->cci, IMX334_REG_AGAIN, gain, &ret);
> >
> > -error_release_group_hold:
> > - imx334_write_reg(imx334, IMX334_REG_HOLD, 1, 0);
> > + ret_hold = cci_write(imx334->cci, IMX334_REG_HOLD, 0, NULL);
> > + if (ret_hold)
> > + return ret_hold;
> >
> > return ret;
> > }
> > @@ -740,21 +624,21 @@ static int imx334_set_ctrl(struct v4l2_ctrl *ctrl)
> > break;
> > case V4L2_CID_TEST_PATTERN:
> > if (ctrl->val) {
> > - imx334_write_reg(imx334, IMX334_TP_CLK_EN, 1,
> > - IMX334_TP_CLK_EN_VAL);
> > - imx334_write_reg(imx334, IMX334_DIG_CLP_MODE, 1, 0x0);
> > - imx334_write_reg(imx334, IMX334_TPG_COLORW, 1,
> > - IMX334_TPG_COLORW_120P);
> > - imx334_write_reg(imx334, IMX334_REG_TP, 1,
> > - imx334_test_pattern_val[ctrl->val]);
> > - imx334_write_reg(imx334, IMX334_TPG_EN_DOUT, 1,
> > - IMX334_TP_ENABLE);
> > + cci_write(imx334->cci, IMX334_TP_CLK_EN,
> > + IMX334_TP_CLK_EN_VAL, NULL);
> > + cci_write(imx334->cci, IMX334_DIG_CLP_MODE, 0x0, NULL);
> > + cci_write(imx334->cci, IMX334_TPG_COLORW,
> > + IMX334_TPG_COLORW_120P, NULL);
> > + cci_write(imx334->cci, IMX334_REG_TP,
> > + imx334_test_pattern_val[ctrl->val], NULL);
> > + cci_write(imx334->cci, IMX334_TPG_EN_DOUT,
> > + IMX334_TP_ENABLE, NULL);
> > } else {
> > - imx334_write_reg(imx334, IMX334_DIG_CLP_MODE, 1, 0x1);
> > - imx334_write_reg(imx334, IMX334_TP_CLK_EN, 1,
> > - IMX334_TP_CLK_DIS_VAL);
> > - imx334_write_reg(imx334, IMX334_TPG_EN_DOUT, 1,
> > - IMX334_TP_DISABLE);
> > + cci_write(imx334->cci, IMX334_DIG_CLP_MODE, 0x1, NULL);
> > + cci_write(imx334->cci, IMX334_TP_CLK_EN,
> > + IMX334_TP_CLK_DIS_VAL, NULL);
> > + cci_write(imx334->cci, IMX334_TPG_EN_DOUT,
> > + IMX334_TP_DISABLE, NULL);
> > }
> > ret = 0;
> > break;
> > @@ -961,12 +845,13 @@ static int imx334_set_framefmt(struct imx334
> > *imx334) {
> > switch (imx334->cur_code) {
> > case MEDIA_BUS_FMT_SRGGB10_1X10:
> > - return imx334_write_regs(imx334, raw10_framefmt_regs,
> > - ARRAY_SIZE(raw10_framefmt_regs));
> > + return cci_multi_reg_write(imx334->cci, raw10_framefmt_regs,
> > + ARRAY_SIZE(raw10_framefmt_regs),
> > + NULL);
> > +
> >
> > case MEDIA_BUS_FMT_SRGGB12_1X12:
> > - return imx334_write_regs(imx334, raw12_framefmt_regs,
> > - ARRAY_SIZE(raw12_framefmt_regs));
> > + return cci_multi_reg_write(imx334->cci, raw12_framefmt_regs,
> > + ARRAY_SIZE(raw12_framefmt_regs),
> > + NULL);
> > }
> >
> > return -EINVAL;
> > @@ -983,8 +868,8 @@ static int imx334_start_streaming(struct imx334
> > *imx334)
> > const struct imx334_reg_list *reg_list;
> > int ret;
> >
> > - ret = imx334_write_regs(imx334, common_mode_regs,
> > - ARRAY_SIZE(common_mode_regs));
> > + ret = cci_multi_reg_write(imx334->cci, common_mode_regs,
> > + ARRAY_SIZE(common_mode_regs), NULL);
> > if (ret) {
> > dev_err(imx334->dev, "fail to write common registers\n");
> > return ret;
> > @@ -992,8 +877,8 @@ static int imx334_start_streaming(struct imx334
> > *imx334)
> >
> > /* Write sensor mode registers */
> > reg_list = &imx334->cur_mode->reg_list;
> > - ret = imx334_write_regs(imx334, reg_list->regs,
> > - reg_list->num_of_regs);
> > + ret = cci_multi_reg_write(imx334->cci, reg_list->regs,
> > + reg_list->num_of_regs, NULL);
> > if (ret) {
> > dev_err(imx334->dev, "fail to write initial registers\n");
> > return ret;
> > @@ -1014,8 +899,8 @@ static int imx334_start_streaming(struct imx334
> > *imx334)
> > }
> >
> > /* Start streaming */
> > - ret = imx334_write_reg(imx334, IMX334_REG_MODE_SELECT,
> > - 1, IMX334_MODE_STREAMING);
> > + ret = cci_write(imx334->cci, IMX334_REG_MODE_SELECT,
> > + IMX334_MODE_STREAMING, NULL);
> > if (ret) {
> > dev_err(imx334->dev, "fail to start streaming\n");
> > return ret;
> > @@ -1032,8 +917,8 @@ static int imx334_start_streaming(struct imx334
> > *imx334)
> > */
> > static int imx334_stop_streaming(struct imx334 *imx334) {
> > - return imx334_write_reg(imx334, IMX334_REG_MODE_SELECT,
> > - 1, IMX334_MODE_STANDBY);
> > + return cci_write(imx334->cci, IMX334_REG_MODE_SELECT,
> > + IMX334_MODE_STANDBY, NULL);
> > }
> >
> > /**
> > @@ -1084,14 +969,14 @@ static int imx334_set_stream(struct v4l2_subdev
> > *sd, int enable) static int imx334_detect(struct imx334 *imx334) {
> > int ret;
> > - u32 val;
> > + u64 val;
> >
> > - ret = imx334_read_reg(imx334, IMX334_REG_ID, 2, &val);
> > + ret = cci_read(imx334->cci, IMX334_REG_ID, &val, NULL);
> > if (ret)
> > return ret;
> >
> > if (val != IMX334_ID) {
> > - dev_err(imx334->dev, "chip id mismatch: %x!=%x\n",
> > + dev_err(imx334->dev, "chip id mismatch: %x!=%llx\n",
> > IMX334_ID, val);
> > return -ENXIO;
> > }
> > @@ -1339,6 +1224,11 @@ static int imx334_probe(struct i2c_client *client)
> > return -ENOMEM;
> >
> > imx334->dev = &client->dev;
> > + imx334->cci = devm_cci_regmap_init_i2c(client, 16);
> > + if (IS_ERR(imx334->cci)) {
> > + dev_err(imx334->dev, "Unable to initialize I2C\n");
> > + return -ENODEV;
> > + }
> >
> > /* Initialize subdev */
> > v4l2_i2c_subdev_init(&imx334->sd, client, &imx334_subdev_ops);
--
Regards,
Laurent Pinchart
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