// SPDX-License-Identifier: GPL-2.0 /* * S6E63M0 AMOLED LCD drm_panel driver. * * Copyright (C) 2019 Paweł Chmiel <[email protected]> * Derived from drivers/gpu/drm/panel-samsung-ld9040.c * * Andrzej Hajda <[email protected]> */ #include <drm/drm_modes.h> #include <drm/drm_panel.h> #include <linux/backlight.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/module.h> #include <linux/regulator/consumer.h> #include <linux/media-bus-format.h> #include <video/mipi_display.h> #include "panel-samsung-s6e63m0.h" #define S6E63M0_LCD_ID_VALUE_M2 … #define S6E63M0_LCD_ID_VALUE_SM2 … #define S6E63M0_LCD_ID_VALUE_SM2_1 … #define NUM_GAMMA_LEVELS … #define GAMMA_TABLE_COUNT … #define MAX_BRIGHTNESS … /* array of gamma tables for gamma value 2.2 */ static u8 const s6e63m0_gamma_22[NUM_GAMMA_LEVELS][GAMMA_TABLE_COUNT] = …; #define NUM_ACL_LEVELS … #define ACL_TABLE_COUNT … static u8 const s6e63m0_acl[NUM_ACL_LEVELS][ACL_TABLE_COUNT] = …; /* This tells us which ACL level goes with which gamma */ static u8 const s6e63m0_acl_per_gamma[NUM_GAMMA_LEVELS] = …; /* The ELVSS backlight regulator has 5 levels */ #define S6E63M0_ELVSS_LEVELS … static u8 const s6e63m0_elvss_offsets[S6E63M0_ELVSS_LEVELS] = …; /* This tells us which ELVSS level goes with which gamma */ static u8 const s6e63m0_elvss_per_gamma[NUM_GAMMA_LEVELS] = …; struct s6e63m0 { … }; static const struct drm_display_mode default_mode = …; static inline struct s6e63m0 *panel_to_s6e63m0(struct drm_panel *panel) { … } static int s6e63m0_clear_error(struct s6e63m0 *ctx) { … } static void s6e63m0_dcs_read(struct s6e63m0 *ctx, const u8 cmd, u8 *data) { … } static void s6e63m0_dcs_write(struct s6e63m0 *ctx, const u8 *data, size_t len) { … } #define s6e63m0_dcs_write_seq_static(ctx, seq ...) … static int s6e63m0_check_lcd_type(struct s6e63m0 *ctx) { … } static void s6e63m0_init(struct s6e63m0 *ctx) { … } static int s6e63m0_power_on(struct s6e63m0 *ctx) { … } static int s6e63m0_power_off(struct s6e63m0 *ctx) { … } static int s6e63m0_disable(struct drm_panel *panel) { … } static int s6e63m0_unprepare(struct drm_panel *panel) { … } static int s6e63m0_prepare(struct drm_panel *panel) { … } static int s6e63m0_enable(struct drm_panel *panel) { … } static int s6e63m0_get_modes(struct drm_panel *panel, struct drm_connector *connector) { … } static const struct drm_panel_funcs s6e63m0_drm_funcs = …; static int s6e63m0_set_brightness(struct backlight_device *bd) { … } static const struct backlight_ops s6e63m0_backlight_ops = …; static int s6e63m0_backlight_register(struct s6e63m0 *ctx, u32 max_brightness) { … } int s6e63m0_probe(struct device *dev, void *trsp, int (*dcs_read)(struct device *dev, void *trsp, const u8 cmd, u8 *val), int (*dcs_write)(struct device *dev, void *trsp, const u8 *data, size_t len), bool dsi_mode) { … } EXPORT_SYMBOL_GPL(…); void s6e63m0_remove(struct device *dev) { … } EXPORT_SYMBOL_GPL(…); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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