// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2016 MediaTek Inc. */ #include <linux/delay.h> #include <linux/err.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/of_graph.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <drm/display/drm_dp_aux_bus.h> #include <drm/display/drm_dp_helper.h> #include <drm/drm_atomic_state_helper.h> #include <drm/drm_bridge.h> #include <drm/drm_edid.h> #include <drm/drm_mipi_dsi.h> #include <drm/drm_of.h> #include <drm/drm_panel.h> #include <drm/drm_print.h> #define PAGE0_AUXCH_CFG3 … #define AUXCH_CFG3_RESET … #define PAGE0_SWAUX_ADDR_7_0 … #define PAGE0_SWAUX_ADDR_15_8 … #define PAGE0_SWAUX_ADDR_23_16 … #define SWAUX_ADDR_MASK … #define PAGE0_SWAUX_LENGTH … #define SWAUX_LENGTH_MASK … #define SWAUX_NO_PAYLOAD … #define PAGE0_SWAUX_WDATA … #define PAGE0_SWAUX_RDATA … #define PAGE0_SWAUX_CTRL … #define SWAUX_SEND … #define PAGE0_SWAUX_STATUS … #define SWAUX_M_MASK … #define SWAUX_STATUS_MASK … #define SWAUX_STATUS_NACK … #define SWAUX_STATUS_DEFER … #define SWAUX_STATUS_ACKM … #define SWAUX_STATUS_INVALID … #define SWAUX_STATUS_I2C_NACK … #define SWAUX_STATUS_I2C_DEFER … #define SWAUX_STATUS_TIMEOUT … #define PAGE2_GPIO_H … #define PS_GPIO9 … #define PAGE2_I2C_BYPASS … #define I2C_BYPASS_EN … #define PAGE2_MCS_EN … #define MCS_EN … #define PAGE3_SET_ADD … #define VDO_CTL_ADD … #define VDO_DIS … #define VDO_EN … #define NUM_MIPI_LANES … #define COMMON_PS8640_REGMAP_CONFIG … /* * PS8640 uses multiple addresses: * page[0]: for DP control * page[1]: for VIDEO Bridge * page[2]: for control top * page[3]: for DSI Link Control1 * page[4]: for MIPI Phy * page[5]: for VPLL * page[6]: for DSI Link Control2 * page[7]: for SPI ROM mapping */ enum page_addr_offset { … }; enum ps8640_vdo_control { … }; struct ps8640 { … }; static const struct regmap_config ps8640_regmap_config[] = …; static inline struct ps8640 *bridge_to_ps8640(struct drm_bridge *e) { … } static inline struct ps8640 *aux_to_ps8640(struct drm_dp_aux *aux) { … } static int _ps8640_wait_hpd_asserted(struct ps8640 *ps_bridge, unsigned long wait_us) { … } static int ps8640_wait_hpd_asserted(struct drm_dp_aux *aux, unsigned long wait_us) { … } static ssize_t ps8640_aux_transfer_msg(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) { … } static ssize_t ps8640_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) { … } static void ps8640_bridge_vdo_control(struct ps8640 *ps_bridge, const enum ps8640_vdo_control ctrl) { … } static int __maybe_unused ps8640_resume(struct device *dev) { … } static int __maybe_unused ps8640_suspend(struct device *dev) { … } static const struct dev_pm_ops ps8640_pm_ops = …; static void ps8640_atomic_pre_enable(struct drm_bridge *bridge, struct drm_bridge_state *old_bridge_state) { … } static void ps8640_atomic_post_disable(struct drm_bridge *bridge, struct drm_bridge_state *old_bridge_state) { … } static int ps8640_bridge_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) { … } static void ps8640_bridge_detach(struct drm_bridge *bridge) { … } static void ps8640_runtime_disable(void *data) { … } static const struct drm_bridge_funcs ps8640_bridge_funcs = …; static int ps8640_bridge_get_dsi_resources(struct device *dev, struct ps8640 *ps_bridge) { … } static int ps8640_bridge_link_panel(struct drm_dp_aux *aux) { … } static int ps8640_probe(struct i2c_client *client) { … } static const struct of_device_id ps8640_match[] = …; MODULE_DEVICE_TABLE(of, ps8640_match); static struct i2c_driver ps8640_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux