89 lines
1.7 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2023 Rockchip Electronics Co., Ltd.
*
*/
#ifndef __MAXIM4C_LINK_H__
#define __MAXIM4C_LINK_H__
#include <linux/of_device.h>
#include "maxim4c_i2c.h"
/* Link cable */
enum maxim4c_link_cable {
MAXIM4C_CABLE_COAX = 0,
MAXIM4C_CABLE_STP,
};
/* Link Type */
enum maxim4c_link_type {
MAXIM4C_GMSL1 = 0,
MAXIM4C_GMSL2,
};
/* Link Mode */
enum maxim4c_link_mode {
MAXIM4C_GMSL_PIXEL = 0,
MAXIM4C_GMSL_TUNNEL,
};
/* I2C Remote Control Port */
enum {
MAXIM4C_I2C_PORT0 = 0,
MAXIM4C_I2C_PORT1,
MAXIM4C_I2C_PORT2,
MAXIM4C_I2C_PORT_MAX,
};
/* Link SIO ID: 0 ~ 3 */
enum {
MAXIM4C_LINK_ID_A = 0,
MAXIM4C_LINK_ID_B,
MAXIM4C_LINK_ID_C,
MAXIM4C_LINK_ID_D,
MAXIM4C_LINK_ID_MAX,
};
/* Link Bit Mask: bit0 ~ bit3 */
#define MAXIM4C_LINK_MASK_A BIT(MAXIM4C_LINK_ID_A)
#define MAXIM4C_LINK_MASK_B BIT(MAXIM4C_LINK_ID_B)
#define MAXIM4C_LINK_MASK_C BIT(MAXIM4C_LINK_ID_C)
#define MAXIM4C_LINK_MASK_D BIT(MAXIM4C_LINK_ID_D)
#define MAXIM4C_LINK_MASK_ALL GENMASK(MAXIM4C_LINK_ID_D, MAXIM4C_LINK_ID_A)
/* Link Receiver Rate */
enum maxim4c_link_rx_rate {
MAXIM4C_LINK_RX_RATE_3GBPS = 0,
MAXIM4C_LINK_RX_RATE_6GBPS,
};
/* Link Transmitter Rate */
enum maxim4c_link_tx_rate {
MAXIM4C_LINK_TX_RATE_187_5MPS = 0,
};
struct maxim4c_link_cfg {
u8 link_enable;
u8 link_type;
u8 link_rx_rate;
u8 link_tx_rate;
struct device_node *remote_cam_node;
struct maxim4c_i2c_init_seq link_init_seq;
};
typedef struct maxim4c_gmsl_link {
u8 link_enable_mask;
u8 link_type_mask;
u8 link_locked_mask;
u8 link_vdd_ldo1_en;
u8 link_vdd_ldo2_en;
u8 i2c_ctrl_port;
struct maxim4c_link_cfg link_cfg[MAXIM4C_LINK_ID_MAX];
} maxim4c_gmsl_link_t;
#endif /* __MAXIM4C_LINK_H__ */