// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* rockchip-rkx111.c -- I2C register interface access for rkx111 serdes chip
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*
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* Copyright (c) 2023-2028 Rockchip Electronics Co. Ltd.
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*
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* Author: luowei <lw@rock-chips.com>
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*/
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#include "../core.h"
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static bool rkx111_volatile_reg(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case 0x0076:
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case 0x0086:
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case 0x0100:
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case 0x0200 ... 0x02ce:
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case 0x7000:
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case 0x7070:
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case 0x7074:
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return false;
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default:
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return true;
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}
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}
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static struct regmap_config rkx111_regmap_config = {
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.name = "rkx111",
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.reg_bits = 16,
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.val_bits = 8,
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.max_register = 0x8000,
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.volatile_reg = rkx111_volatile_reg,
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.cache_type = REGCACHE_RBTREE,
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};
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struct pinctrl_pin_desc rkx111_pins_desc[] = {
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};
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struct group_desc rkx111_groups_desc[] = {
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{ "null", NULL, 1, },
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};
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struct function_desc rkx111_functions_desc[] = {
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{ "null", NULL, 1, },
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};
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static struct serdes_chip_pinctrl_info rkx111_pinctrl_info = {
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.pins = rkx111_pins_desc,
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.num_pins = ARRAY_SIZE(rkx111_pins_desc),
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.groups = rkx111_groups_desc,
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.num_groups = ARRAY_SIZE(rkx111_groups_desc),
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.functions = rkx111_functions_desc,
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.num_functions = ARRAY_SIZE(rkx111_functions_desc),
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};
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static int rkx111_bridge_init(struct serdes *serdes)
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{
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return 0;
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}
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static int rkx111_bridge_enable(struct serdes *serdes)
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{
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return 0;
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}
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static int rkx111_bridge_disable(struct serdes *serdes)
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{
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return 0;
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}
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static struct serdes_chip_bridge_ops rkx111_bridge_ops = {
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.init = rkx111_bridge_init,
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.enable = rkx111_bridge_enable,
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.disable = rkx111_bridge_disable,
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};
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static int rkx111_pinctrl_config_get(struct serdes *serdes,
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unsigned int pin,
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unsigned long *config)
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{
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return 0;
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}
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static int rkx111_pinctrl_config_set(struct serdes *serdes,
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unsigned int pin,
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unsigned long *configs,
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unsigned int num_configs)
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{
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return 0;
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}
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static int rkx111_pinctrl_set_mux(struct serdes *serdes, unsigned int func_selector,
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unsigned int group_selector)
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{
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return 0;
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}
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static struct serdes_chip_pinctrl_ops rkx111_pinctrl_ops = {
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.pin_config_get = rkx111_pinctrl_config_get,
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.pin_config_set = rkx111_pinctrl_config_set,
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.set_mux = rkx111_pinctrl_set_mux,
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};
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static int rkx111_gpio_direction_input(struct serdes *serdes, int gpio)
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{
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return 0;
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}
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static int rkx111_gpio_direction_output(struct serdes *serdes, int gpio, int value)
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{
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return 0;
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}
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static int rkx111_gpio_get_level(struct serdes *serdes, int gpio)
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{
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return 0;
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}
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static int rkx111_gpio_set_level(struct serdes *serdes, int gpio, int value)
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{
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return 0;
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}
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static int rkx111_gpio_set_config(struct serdes *serdes, int gpio, unsigned long config)
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{
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return 0;
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}
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static int rkx111_gpio_to_irq(struct serdes *serdes, int gpio)
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{
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return 0;
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}
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static struct serdes_chip_gpio_ops rkx111_gpio_ops = {
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.direction_input = rkx111_gpio_direction_input,
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.direction_output = rkx111_gpio_direction_output,
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.get_level = rkx111_gpio_get_level,
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.set_level = rkx111_gpio_set_level,
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.set_config = rkx111_gpio_set_config,
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.to_irq = rkx111_gpio_to_irq,
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};
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static int rkx111_pm_suspend(struct serdes *serdes)
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{
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return 0;
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}
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static int rkx111_pm_resume(struct serdes *serdes)
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{
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return 0;
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}
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static struct serdes_chip_pm_ops rkx111_pm_ops = {
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.suspend = rkx111_pm_suspend,
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.resume = rkx111_pm_resume,
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};
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static int rkx111_irq_lock_handle(struct serdes *serdes)
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{
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return IRQ_HANDLED;
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}
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static int rkx111_irq_err_handle(struct serdes *serdes)
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{
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return IRQ_HANDLED;
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}
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static struct serdes_chip_irq_ops rkx111_irq_ops = {
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.lock_handle = rkx111_irq_lock_handle,
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.err_handle = rkx111_irq_err_handle,
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};
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struct serdes_chip_data serdes_rkx111_data = {
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.name = "rkx111",
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.serdes_type = TYPE_SER,
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.serdes_id = ROCKCHIP_ID_RKX111,
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.connector_type = DRM_MODE_CONNECTOR_DSI,
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.regmap_config = &rkx111_regmap_config,
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.pinctrl_info = &rkx111_pinctrl_info,
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.bridge_ops = &rkx111_bridge_ops,
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.pinctrl_ops = &rkx111_pinctrl_ops,
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.gpio_ops = &rkx111_gpio_ops,
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.pm_ops = &rkx111_pm_ops,
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.irq_ops = &rkx111_irq_ops,
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};
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EXPORT_SYMBOL_GPL(serdes_rkx111_data);
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MODULE_LICENSE("GPL");
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