media: i2c: imx185: Add version 1.0 driver

Add IMX185 version 1.0 driver.

Jira CT-1359

Change-Id: Iede09225c657ef7d541faebe33fa1841e26b36a7
Signed-off-by: Frank Chen <frankc@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1939685
(cherry picked from commit 018f5193b6d857f8fc194315399b8e0e42efaf6c)
Reviewed-on: https://git-master.nvidia.com/r/1995859
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vincent Chung <vincentc@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

3 files changed, 2143 insertions, 0 deletions

diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
index 85c8c0cf7..3e808e1ce 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -4,6 +4,7 @@ ccflags-y += -I$(srctree)/drivers/media/platform/tegra
 ccflags-y += -I$(srctree)/drivers/video/tegra/camera
 
 obj-$(CONFIG_VIDEO_IMX185) += imx185.o
+obj-$(CONFIG_VIDEO_IMX185) += imx185_v1.o
 obj-$(CONFIG_VIDEO_IMX219) += imx219.o
 obj-$(CONFIG_VIDEO_IMX268) += imx268.o
 obj-$(CONFIG_VIDEO_IMX274) += imx274.o
diff --git a/drivers/media/i2c/imx185_v1.c b/drivers/media/i2c/imx185_v1.c
new file mode 100644
index 000000000..eea350229
--- /dev/null
+++ b/drivers/media/i2c/imx185_v1.c
@@ -0,0 +1,1124 @@
+/*
+ * imx185.c - imx185 sensor driver
+ *
+ * Copyright (c) 2016-2019, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+#include <linux/gpio.h>
+#include <linux/module.h>
+
+#include <linux/seq_file.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
+
+#include <media/tegra_v4l2_camera.h>
+#include <media/tegra-v4l2-camera.h>
+#include <media/camera_common.h>
+#include "imx185_v1_mode_tbls.h"
+
+#define IMX185_DEFAULT_MODE     IMX185_MODE_1920X1080_CROP_30FPS
+#define IMX185_DEFAULT_DATAFMT  MEDIA_BUS_FMT_SRGGB12_1X12
+
+#define IMX185_MIN_FRAME_LENGTH (1125)
+#define IMX185_MAX_FRAME_LENGTH (0x1FFFF)
+#define IMX185_MIN_SHS1_1080P_HDR       (5)
+#define IMX185_MIN_SHS2_1080P_HDR       (82)
+#define IMX185_MAX_SHS2_1080P_HDR       (IMX185_MAX_FRAME_LENGTH - 5)
+#define IMX185_MAX_SHS1_1080P_HDR       (IMX185_MAX_SHS2_1080P_HDR / 16)
+
+#define IMX185_FRAME_LENGTH_ADDR_MSB            0x301A
+#define IMX185_FRAME_LENGTH_ADDR_MID            0x3019
+#define IMX185_FRAME_LENGTH_ADDR_LSB            0x3018
+#define IMX185_COARSE_TIME_SHS1_ADDR_MSB        0x3022
+#define IMX185_COARSE_TIME_SHS1_ADDR_MID        0x3021
+#define IMX185_COARSE_TIME_SHS1_ADDR_LSB        0x3020
+#define IMX185_COARSE_TIME_SHS2_ADDR_MSB        0x3025
+#define IMX185_COARSE_TIME_SHS2_ADDR_MID        0x3024
+#define IMX185_COARSE_TIME_SHS2_ADDR_LSB        0x3023
+#define IMX185_GAIN_ADDR                                        0x3014
+#define IMX185_GROUP_HOLD_ADDR                          0x3001
+#define IMX185_SW_RESET_ADDR                    0x3003
+
+#define IMX185_FUSE_ID_ADDR     0x3382
+#define IMX185_FUSE_ID_SIZE     6
+#define IMX185_FUSE_ID_STR_SIZE (IMX185_FUSE_ID_SIZE * 2)
+#define IMX185_DEFAULT_WIDTH    1920
+#define IMX185_DEFAULT_HEIGHT   1080
+#define IMX185_DEFAULT_CLK_FREQ 37125000
+
+struct imx185 {
+        struct camera_common_power_rail power;
+        int     numctrls;
+        struct v4l2_ctrl_handler        ctrl_handler;
+        struct i2c_client       *i2c_client;
+        struct v4l2_subdev      *subdev;
+        struct media_pad        pad;
+        u32                             frame_length;
+        s32     group_hold_prev;
+        bool    group_hold_en;
+        s64 last_wdr_et_val;
+        struct regmap   *regmap;
+        struct camera_common_data       *s_data;
+        struct camera_common_pdata      *pdata;
+        struct v4l2_ctrl                *ctrls[];
+};
+
+static const struct regmap_config sensor_regmap_config = {
+        .reg_bits = 16,
+        .val_bits = 8,
+        .cache_type = REGCACHE_RBTREE,
+        .use_single_rw = true,
+};
+
+static int imx185_g_volatile_ctrl(struct v4l2_ctrl *ctrl);
+static int imx185_s_ctrl(struct v4l2_ctrl *ctrl);
+
+static const struct v4l2_ctrl_ops imx185_ctrl_ops = {
+        .g_volatile_ctrl = imx185_g_volatile_ctrl,
+        .s_ctrl = imx185_s_ctrl,
+};
+
+static struct v4l2_ctrl_config ctrl_config_list[] = {
+/* Do not change the name field for the controls! */
+        {
+                .ops = &imx185_ctrl_ops,
+                .id = TEGRA_CAMERA_CID_GAIN,
+                .name = "Gain",
+                .type = V4L2_CTRL_TYPE_INTEGER64,
+                .flags = V4L2_CTRL_FLAG_SLIDER,
+                .min = 0 * FIXED_POINT_SCALING_FACTOR,
+                .max = 48 * FIXED_POINT_SCALING_FACTOR,
+                .def = 0 * FIXED_POINT_SCALING_FACTOR,
+                .step = 3 * FIXED_POINT_SCALING_FACTOR / 10, /* 0.3 db */
+        },
+        {
+                .ops = &imx185_ctrl_ops,
+                .id = TEGRA_CAMERA_CID_EXPOSURE,
+                .name = "Exposure",
+                .type = V4L2_CTRL_TYPE_INTEGER64,
+                .flags = V4L2_CTRL_FLAG_SLIDER,
+                .min = 30 * FIXED_POINT_SCALING_FACTOR / 1000000,
+                .max = 1000000LL * FIXED_POINT_SCALING_FACTOR / 1000000,
+                .def = 30 * FIXED_POINT_SCALING_FACTOR / 1000000,
+                .step = 1 * FIXED_POINT_SCALING_FACTOR / 1000000,
+        },
+        {
+                .ops = &imx185_ctrl_ops,
+                .id = TEGRA_CAMERA_CID_FRAME_RATE,
+                .name = "Frame Rate",
+                .type = V4L2_CTRL_TYPE_INTEGER64,
+                .flags = V4L2_CTRL_FLAG_SLIDER,
+                .min = 1 * FIXED_POINT_SCALING_FACTOR,
+                .max = 60 * FIXED_POINT_SCALING_FACTOR,
+                .def = 30 * FIXED_POINT_SCALING_FACTOR,
+                .step = 1 * FIXED_POINT_SCALING_FACTOR,
+        },
+        {
+                .ops = &imx185_ctrl_ops,
+                .id = TEGRA_CAMERA_CID_GROUP_HOLD,
+                .name = "Group Hold",
+                .type = V4L2_CTRL_TYPE_INTEGER_MENU,
+                .min = 0,
+                .max = ARRAY_SIZE(switch_ctrl_qmenu) - 1,
+                .menu_skip_mask = 0,
+                .def = 0,
+                .qmenu_int = switch_ctrl_qmenu,
+        },
+        {
+                .ops = &imx185_ctrl_ops,
+                .id = TEGRA_CAMERA_CID_HDR_EN,
+                .name = "HDR enable",
+                .type = V4L2_CTRL_TYPE_INTEGER_MENU,
+                .min = 0,
+                .max = ARRAY_SIZE(switch_ctrl_qmenu) - 1,
+                .menu_skip_mask = 0,
+                .def = 0,
+                .qmenu_int = switch_ctrl_qmenu,
+        },
+        {
+                .ops = &imx185_ctrl_ops,
+                .id = TEGRA_CAMERA_CID_FUSE_ID,
+                .name = "Fuse ID",
+                .type = V4L2_CTRL_TYPE_STRING,
+                .flags = V4L2_CTRL_FLAG_READ_ONLY,
+                .min = 0,
+                .max = IMX185_FUSE_ID_STR_SIZE,
+                .step = 2,
+        },
+        {
+                .ops = &imx185_ctrl_ops,
+                .id = TEGRA_CAMERA_CID_SENSOR_MODE_ID,
+                .name = "Sensor Mode",
+                .type = V4L2_CTRL_TYPE_INTEGER64,
+                .flags = V4L2_CTRL_FLAG_SLIDER,
+                .min = 0,
+                .max = 0xFF,
+                .def = 0xFE,
+                .step = 1,
+        },
+};
+
+static inline void imx185_get_frame_length_regs(imx185_reg *regs,
+                                u32 frame_length)
+{
+        regs->addr = IMX185_FRAME_LENGTH_ADDR_MSB;
+        regs->val = (frame_length >> 16) & 0x01;
+
+        (regs + 1)->addr = IMX185_FRAME_LENGTH_ADDR_MID;
+        (regs + 1)->val = (frame_length >> 8) & 0xff;
+
+        (regs + 2)->addr = IMX185_FRAME_LENGTH_ADDR_LSB;
+        (regs + 2)->val = (frame_length) & 0xff;
+}