// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) STMicroelectronics SA 2014 * Author: Vincent Abriou <[email protected]> for STMicroelectronics. */ #include <linux/clk.h> #include <linux/component.h> #include <linux/debugfs.h> #include <linux/io.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_bridge.h> #include <drm/drm_device.h> #include <drm/drm_panel.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include "sti_awg_utils.h" #include "sti_drv.h" #include "sti_mixer.h" /* DVO registers */ #define DVO_AWG_DIGSYNC_CTRL … #define DVO_DOF_CFG … #define DVO_LUT_PROG_LOW … #define DVO_LUT_PROG_MID … #define DVO_LUT_PROG_HIGH … #define DVO_DIGSYNC_INSTR_I … #define DVO_AWG_CTRL_EN … #define DVO_AWG_FRAME_BASED_SYNC … #define DVO_DOF_EN_LOWBYTE … #define DVO_DOF_EN_MIDBYTE … #define DVO_DOF_EN_HIGHBYTE … #define DVO_DOF_EN … #define DVO_DOF_MOD_COUNT_SHIFT … #define DVO_LUT_ZERO … #define DVO_LUT_Y_G … #define DVO_LUT_Y_G_DEL … #define DVO_LUT_CB_B … #define DVO_LUT_CB_B_DEL … #define DVO_LUT_CR_R … #define DVO_LUT_CR_R_DEL … #define DVO_LUT_HOLD … struct dvo_config { … }; static struct dvo_config rgb_24bit_de_cfg = …; /* * STI digital video output structure * * @dev: driver device * @drm_dev: pointer to drm device * @mode: current display mode selected * @regs: dvo registers * @clk_pix: pixel clock for dvo * @clk: clock for dvo * @clk_main_parent: dvo parent clock if main path used * @clk_aux_parent: dvo parent clock if aux path used * @panel_node: panel node reference from device tree * @panel: reference to the panel connected to the dvo * @enabled: true if dvo is enabled else false * @encoder: drm_encoder it is bound */ struct sti_dvo { … }; struct sti_dvo_connector { … }; #define to_sti_dvo_connector(x) … #define BLANKING_LEVEL … static int dvo_awg_generate_code(struct sti_dvo *dvo, u8 *ram_size, u32 *ram_code) { … } /* Configure AWG, writing instructions * * @dvo: pointer to DVO structure * @awg_ram_code: pointer to AWG instructions table * @nb: nb of AWG instructions */ static void dvo_awg_configure(struct sti_dvo *dvo, u32 *awg_ram_code, int nb) { … } #define DBGFS_DUMP(reg) … static void dvo_dbg_awg_microcode(struct seq_file *s, void __iomem *reg) { … } static int dvo_dbg_show(struct seq_file *s, void *data) { … } static struct drm_info_list dvo_debugfs_files[] = …; static void dvo_debugfs_init(struct sti_dvo *dvo, struct drm_minor *minor) { … } static void sti_dvo_disable(struct drm_bridge *bridge) { … } static void sti_dvo_pre_enable(struct drm_bridge *bridge) { … } static void sti_dvo_set_mode(struct drm_bridge *bridge, const struct drm_display_mode *mode, const struct drm_display_mode *adjusted_mode) { … } static void sti_dvo_bridge_nope(struct drm_bridge *bridge) { … } static const struct drm_bridge_funcs sti_dvo_bridge_funcs = …; static int sti_dvo_connector_get_modes(struct drm_connector *connector) { … } #define CLK_TOLERANCE_HZ … static enum drm_mode_status sti_dvo_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { … } static const struct drm_connector_helper_funcs sti_dvo_connector_helper_funcs = …; static enum drm_connector_status sti_dvo_connector_detect(struct drm_connector *connector, bool force) { … } static int sti_dvo_late_register(struct drm_connector *connector) { … } static const struct drm_connector_funcs sti_dvo_connector_funcs = …; static struct drm_encoder *sti_dvo_find_encoder(struct drm_device *dev) { … } static int sti_dvo_bind(struct device *dev, struct device *master, void *data) { … } static void sti_dvo_unbind(struct device *dev, struct device *master, void *data) { … } static const struct component_ops sti_dvo_ops = …; static int sti_dvo_probe(struct platform_device *pdev) { … } static void sti_dvo_remove(struct platform_device *pdev) { … } static const struct of_device_id dvo_of_match[] = …; MODULE_DEVICE_TABLE(of, dvo_of_match); struct platform_driver sti_dvo_driver = …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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