1 files changed, 291 insertions, 0 deletions
diff --git a/drivers/media/platform/imx8/ar0521.h b/drivers/media/platform/imx8/ar0521.h
new file mode 100644
index 000000000000..05bdb30bbb4f
--- /dev/null
+++ b/drivers/media/platform/imx8/ar0521.h
@@ -0,0 +1,291 @@
+/*
+ * ar0521.h - ar0521 sensor mode tables
+ *
+ * Copyright (c) 2018-2019, e-con Systems, 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/>.
+ */
+
+#ifndef __AR0521_TABLES__
+#define __AR0521_TABLES__
+
+#define AR0521_XCLK_MIN 6000000
+#define AR0521_XCLK_MAX 24000000
+
+#define ar0521_reg struct reg_16
+#define AR0521_TABLE_WAIT_MS	0
+#define AR0521_TABLE_END	1
+#define AR0521_WAIT_MS		10
+#define AR0521_DEFAULT_MODE	0
+
+#define AR0521_DEFAULT_WIDTH    640
+#define AR0521_DEFAULT_HEIGHT	480
+
+#define AR0521_MAX_FORMAT_SUPPORTED	1
+
+#define AR0521_DEFAULT_FPS	120
+
+#define AR0521_DEFAULT_DATAFMT	MEDIA_BUS_FMT_UYVY8_2X8
+#define AR0521_DEFAULT_COLORSPACE V4L2_COLORSPACE_SRGB
+
+
+////////////////////////////////////////////////////////////////////////////////////////////
+
+/* Defines related to MCU */
+
+#define CMD_SIGNATURE		0x43
+#define TX_LEN_PKT			5
+#define RX_LEN_PKT			6
+#define HEADER_FOOTER_SIZE	4
+#define CMD_STATUS_MSG_LEN	7
+
+#define VERSION_SIZE			32
+#define VERSION_FILE_OFFSET			100
+
+#define MCU_CMD_STATUS_SUCCESS		0x0000
+#define MCU_CMD_STATUS_PENDING		0xF000
+#define MCU_CMD_STATUS_ISP_PWDN		0x0FF0
+#define MCU_CMD_STATUS_ISP_UNINIT	0x0FF1
+
+#define MAX_NUM_FRATES                 10
+#define MAX_CTRL_DATA_LEN 		100
+#define MAX_CTRL_UI_STRING_LEN 		32
+
+typedef enum _errno {
+	ERRCODE_SUCCESS = 0x00,
+	ERRCODE_BUSY = 0x01,
+	ERRCODE_INVAL = 0x02,
+	ERRCODE_PERM = 0x03,
+	ERRCODE_NODEV = 0x04,
+	ERRCODE_IO = 0x05,
+	ERRCODE_HW_SPEC = 0x06,
+	ERRCODE_AGAIN = 0x07,
+	ERRCODE_ALREADY = 0x08,
+	ERRCODE_NOTIMPL = 0x09,
+	ERRCODE_RANGE = 0x0A,
+
+	/*   Reserved 0x0B - 0xFE */
+
+	ERRCODE_UNKNOWN = 0xFF,
+} RETCODE;
+
+typedef enum _cmd_id {
+	CMD_ID_VERSION = 0x00,
+	CMD_ID_GET_SENSOR_ID = 0x01,
+	CMD_ID_GET_STREAM_INFO = 0x02,
+	CMD_ID_GET_CTRL_INFO = 0x03,
+	CMD_ID_INIT_CAM = 0x04,
+	CMD_ID_GET_STATUS = 0x05,
+	CMD_ID_DE_INIT_CAM = 0x06,
+	CMD_ID_STREAM_ON = 0x07,
+	CMD_ID_STREAM_OFF = 0x08,
+	CMD_ID_STREAM_CONFIG = 0x09,
+	CMD_ID_GET_CTRL_UI_INFO = 0x0A,
+
+	/* Reserved 0x0B to 0x0F */
+
+	CMD_ID_GET_CTRL = 0x10,
+	CMD_ID_SET_CTRL = 0x11,
+
+	/* Reserved 0x12, 0x13 */
+
+	CMD_ID_FW_UPDT = 0x14,
+	CMD_ID_ISP_PDOWN = 0x15,
+	CMD_ID_ISP_PUP = 0x16,
+
+	/* Reserved - 0x17 to 0xFE (except 0x43) */
+	CMD_ID_LANE_CONFIG = 0x17,
+	CMD_ID_MIPI_CLK_CONFIG = 0x18,
+
+	CMD_ID_UNKNOWN = 0xFF,
+
+} HOST_CMD_ID;
+
+enum {
+	FRAME_RATE_DISCRETE = 0x01,
+	FRAME_RATE_CONTINOUS = 0x02,
+};
+
+enum {
+	CTRL_STANDARD = 0x01,
+	CTRL_EXTENDED = 0x02,
+};
+
+enum {
+/*  0x01 - Integer (32bit)
+		0x02 - Long Int (64 bit)
+		0x03 - String
+		0x04 - Pointer to a 1-Byte Array
+		0x05 - Pointer to a 2-Byte Array
+		0x06 - Pointer to a 4-Byte Array
+		0x07 - Pointer to Generic Data (custom Array)
+*/
+
+	EXT_CTRL_TYPE_INTEGER = 0x01,
+	EXT_CTRL_TYPE_LONG = 0x02,
+	EXT_CTRL_TYPE_STRING = 0x03,
+	EXT_CTRL_TYPE_PTR8 = 0x04,
+	EXT_CTRL_TYPE_PTR16 = 0x05,
+	EXT_CTRL_TYPE_PTR32 = 0x06,
+	EXT_CTRL_TYPE_VOID = 0x07,
+};
+
+/* Stream and Control Info Struct */
+typedef struct _isp_stream_info {
+	uint32_t fmt_fourcc;
+	uint16_t width;
+	uint16_t height;
+	uint8_t frame_rate_type;
+	union {
+		struct {
+			uint16_t frame_rate_num;
+			uint16_t frame_rate_denom;
+		} disc;
+		struct {
+			uint16_t frame_rate_min_num;
+			uint16_t frame_rate_min_denom;
+			uint16_t frame_rate_max_num;
+			uint16_t frame_rate_max_denom;
+			uint16_t frame_rate_step_num;
+			uint16_t frame_rate_step_denom;
+		} cont;
+	} frame_rate;
+} ISP_STREAM_INFO;
+
+
+typedef struct _isp_ctrl_ui_info {
+	struct {
+		char ctrl_name[MAX_CTRL_UI_STRING_LEN];
+		uint8_t ctrl_ui_type;
+		uint8_t ctrl_ui_flags;
+	} ctrl_ui_info;
+
+	/* This Struct is valid only if ctrl_ui_type = 0x03 */
+	struct {
+		uint8_t num_menu_elem;
+		char **menu;
+	} ctrl_menu_info;
+} ISP_CTRL_UI_INFO;
+
+typedef struct _isp_ctrl_info_std {
+	uint32_t ctrl_id;
+	uint8_t ctrl_type;
+	uint8_t mcu_ctrl_index;
+	union {
+		struct {
+			int32_t ctrl_min;
+			int32_t ctrl_max;
+			int32_t ctrl_def;
+			int32_t ctrl_step;
+		} std;
+		struct {
+			uint8_t val_type;
+			uint32_t val_length;
+			// This size may vary according to ctrl types
+			uint8_t val_data[MAX_CTRL_DATA_LEN];
+		} ext;
+	} ctrl_data;
+	ISP_CTRL_UI_INFO ctrl_ui_data;
+} ISP_CTRL_INFO;
+
+struct ar0521 {
+	int numctrls;
+	struct v4l2_subdev subdev;
+	struct i2c_client *i2c_client;
+	uint16_t frate_index;
+	struct media_pad pads[1];
+
+	u32 mclk;
+	u8 mclk_source;
+	struct clk *sensor_clk;
+
+	int csi;
+
+	/*
+	 * Format related data
+	 */
+	struct v4l2_pix_format pix;
+
+	struct ar0521_datafmt {
+		u32 code;
+		enum v4l2_colorspace colorspace;
+	} fmt;
+
+	struct v4l2_captureparm streamcap;
+
+	bool on;
+
+	int num_frm_fmts;
+
+	/*
+	 * Array of Camera framesizes
+	 *
+	 * Moved from global
+	 */
+	struct mcu_frmfmt {
+		struct v4l2_frmsize_discrete size;
+		unsigned int * framerates;
+		int num_framerates;
+		int mode;
+	} *mcu_cam_frmfmt;
+
+	int power_on;
+
+	uint16_t mipi_lane_config;
+	uint16_t mipi_clk_config;
+
+	struct v4l2_ctrl *ctrls[];
+	
+};
+
+static ISP_STREAM_INFO *stream_info = NULL;
+static ISP_CTRL_INFO *mcu_ctrl_info = NULL;
+
+/* Total formats */
+static int num_ctrls = 0;
+static int *streamdb;
+static uint32_t *ctrldb;
+
+/* Mutex for I2C lock */
+DEFINE_MUTEX(mcu_i2c_mutex);
+
+static int ar0521_read(struct i2c_client *client, u8 * val, u32 count);
+static int ar0521_write(struct i2c_client *client, u8 * val, u32 count);
+static int ar0521_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *param);
+static int ar0521_s_power(struct v4l2_subdev *sd, int on);
+
+/*
+ * MCU related functions
+ */
+static int mcu_get_fw_version(struct i2c_client *client, unsigned char * fw_version);
+static int mcu_verify_fw_version(const unsigned char *const fw_version);
+static int mcu_count_or_list_fmts(struct i2c_client *client, ISP_STREAM_INFO *stream_info, int *frm_fmt_size);
+static int mcu_count_or_list_ctrls(struct i2c_client *client,
+			  ISP_CTRL_INFO * mcu_ctrl_info, int *numctrls);
+static int mcu_get_sensor_id(struct i2c_client *client, uint16_t * sensor_id);
+static int mcu_get_cmd_status(struct i2c_client *client, uint8_t * cmd_id,
+			      uint16_t * cmd_status, uint8_t * ret_code);
+static int mcu_isp_init(struct i2c_client *client);
+static int mcu_stream_config(struct i2c_client *client, uint32_t format,
+			     int mode, int frate_index);
+static int mcu_set_ctrl(struct i2c_client *client, uint32_t ctrl_id,
+			uint8_t ctrl_type, int32_t curr_val);
+static int mcu_get_ctrl(struct i2c_client *client, uint32_t ctrl_id,
+			uint8_t * ctrl_type, int32_t * curr_val);
+static int mcu_get_ctrl_ui(struct i2c_client *client,
+			   ISP_CTRL_INFO * mcu_ui_info, int index);
+static int mcu_fw_update(struct i2c_client *client, unsigned char *txt_fw_version);
+static int mcu_isp_power_down(struct i2c_client *client);
+static int mcu_isp_power_wakeup(struct i2c_client *client);
+
+#endif				/* __AR0521_TABLES__ */