From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/omapdrm/dss/omapdss.h | 321 ++++++++++++----------------------------------------
1 files changed, 77 insertions(+), 244 deletions(-)
diff --git a/kernel/drivers/gpu/drm/omapdrm/dss/omapdss.h b/kernel/drivers/gpu/drm/omapdrm/dss/omapdss.h
index 14d74ad..ab19d4a 100644
--- a/kernel/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/kernel/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -1,25 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/
* Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __OMAP_DRM_DSS_H
#define __OMAP_DRM_DSS_H
#include <linux/list.h>
-#include <linux/kobject.h>
#include <linux/device.h>
#include <linux/interrupt.h>
#include <video/videomode.h>
@@ -68,6 +56,7 @@
struct snd_aes_iec958;
struct snd_cea_861_aud_if;
struct hdmi_avi_infoframe;
+struct drm_connector;
enum omap_display_type {
OMAP_DISPLAY_TYPE_NONE = 0,
@@ -296,117 +285,7 @@
u8 pre_mult_alpha;
};
-struct omapdss_dpi_ops {
- int (*connect)(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst);
- void (*disconnect)(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst);
-
- int (*enable)(struct omap_dss_device *dssdev);
- void (*disable)(struct omap_dss_device *dssdev);
-
- int (*check_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
- void (*set_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
- void (*get_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
-};
-
-struct omapdss_sdi_ops {
- int (*connect)(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst);
- void (*disconnect)(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst);
-
- int (*enable)(struct omap_dss_device *dssdev);
- void (*disable)(struct omap_dss_device *dssdev);
-
- int (*check_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
- void (*set_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
- void (*get_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
-};
-
-struct omapdss_dvi_ops {
- int (*connect)(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst);
- void (*disconnect)(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst);
-
- int (*enable)(struct omap_dss_device *dssdev);
- void (*disable)(struct omap_dss_device *dssdev);
-
- int (*check_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
- void (*set_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
- void (*get_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
-};
-
-struct omapdss_atv_ops {
- int (*connect)(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst);
- void (*disconnect)(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst);
-
- int (*enable)(struct omap_dss_device *dssdev);
- void (*disable)(struct omap_dss_device *dssdev);
-
- int (*check_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
- void (*set_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
- void (*get_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
-
- int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
- u32 (*get_wss)(struct omap_dss_device *dssdev);
-};
-
-struct omapdss_hdmi_ops {
- int (*connect)(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst);
- void (*disconnect)(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst);
-
- int (*enable)(struct omap_dss_device *dssdev);
- void (*disable)(struct omap_dss_device *dssdev);
-
- int (*check_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
- void (*set_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
- void (*get_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
-
- int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
- void (*lost_hotplug)(struct omap_dss_device *dssdev);
- bool (*detect)(struct omap_dss_device *dssdev);
-
- int (*register_hpd_cb)(struct omap_dss_device *dssdev,
- void (*cb)(void *cb_data,
- enum drm_connector_status status),
- void *cb_data);
- void (*unregister_hpd_cb)(struct omap_dss_device *dssdev);
- void (*enable_hpd)(struct omap_dss_device *dssdev);
- void (*disable_hpd)(struct omap_dss_device *dssdev);
-
- int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode);
- int (*set_infoframe)(struct omap_dss_device *dssdev,
- const struct hdmi_avi_infoframe *avi);
-};
-
struct omapdss_dsi_ops {
- int (*connect)(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst);
- void (*disconnect)(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst);
-
- int (*enable)(struct omap_dss_device *dssdev);
void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes,
bool enter_ulps);
@@ -457,78 +336,82 @@
int channel, u16 plen);
};
+struct omap_dss_device_ops {
+ int (*connect)(struct omap_dss_device *dssdev,
+ struct omap_dss_device *dst);
+ void (*disconnect)(struct omap_dss_device *dssdev,
+ struct omap_dss_device *dst);
+
+ void (*enable)(struct omap_dss_device *dssdev);
+ void (*disable)(struct omap_dss_device *dssdev);
+
+ int (*check_timings)(struct omap_dss_device *dssdev,
+ struct drm_display_mode *mode);
+
+ int (*get_modes)(struct omap_dss_device *dssdev,
+ struct drm_connector *connector);
+
+ const struct omapdss_dsi_ops dsi;
+};
+
+/**
+ * enum omap_dss_device_ops_flag - Indicates which device ops are supported
+ * @OMAP_DSS_DEVICE_OP_MODES: The device supports reading modes
+ */
+enum omap_dss_device_ops_flag {
+ OMAP_DSS_DEVICE_OP_MODES = BIT(3),
+};
+
struct omap_dss_device {
- struct kobject kobj;
struct device *dev;
struct module *owner;
- struct list_head panel_list;
+ struct dss_device *dss;
+ struct omap_dss_device *next;
+ struct drm_bridge *bridge;
+ struct drm_bridge *next_bridge;
+ struct drm_panel *panel;
- /* alias in the form of "display%d" */
- char alias[16];
+ struct list_head list;
+ /*
+ * DSS type that this device generates (for DSS internal devices) or
+ * requires (for external encoders, connectors and panels). Must be a
+ * non-zero (different than OMAP_DISPLAY_TYPE_NONE) value.
+ */
enum omap_display_type type;
- enum omap_display_type output_type;
- struct {
- struct videomode vm;
-
- enum omap_dss_dsi_pixel_format dsi_pix_fmt;
- enum omap_dss_dsi_mode dsi_mode;
- } panel;
+ /*
+ * True if the device is a display (panel or connector) at the end of
+ * the pipeline, false otherwise.
+ */
+ bool display;
const char *name;
- struct omap_dss_driver *driver;
-
- union {
- const struct omapdss_dpi_ops *dpi;
- const struct omapdss_sdi_ops *sdi;
- const struct omapdss_dvi_ops *dvi;
- const struct omapdss_hdmi_ops *hdmi;
- const struct omapdss_atv_ops *atv;
- const struct omapdss_dsi_ops *dsi;
- } ops;
-
- /* helper variable for driver suspend/resume */
- bool activate_after_resume;
+ const struct omap_dss_driver *driver;
+ const struct omap_dss_device_ops *ops;
+ unsigned long ops_flags;
+ u32 bus_flags;
enum omap_display_caps caps;
-
- struct omap_dss_device *src;
enum omap_dss_display_state state;
/* OMAP DSS output specific fields */
- struct list_head list;
-
/* DISPC channel for this output */
enum omap_channel dispc_channel;
- bool dispc_channel_connected;
/* output instance */
enum omap_dss_output_id id;
- /* the port number in the DT node */
- int port_num;
-
- /* dynamic fields */
- struct omap_dss_device *dst;
+ /* port number in DT */
+ unsigned int of_port;
};
struct omap_dss_driver {
- int (*probe)(struct omap_dss_device *);
- void (*remove)(struct omap_dss_device *);
-
- int (*connect)(struct omap_dss_device *dssdev);
- void (*disconnect)(struct omap_dss_device *dssdev);
-
- int (*enable)(struct omap_dss_device *display);
- void (*disable)(struct omap_dss_device *display);
- int (*run_test)(struct omap_dss_device *display, int test);
-
int (*update)(struct omap_dss_device *dssdev,
u16 x, u16 y, u16 w, u16 h);
int (*sync)(struct omap_dss_device *dssdev);
@@ -536,42 +419,9 @@
int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
int (*get_te)(struct omap_dss_device *dssdev);
- u8 (*get_rotate)(struct omap_dss_device *dssdev);
- int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate);
-
- bool (*get_mirror)(struct omap_dss_device *dssdev);
- int (*set_mirror)(struct omap_dss_device *dssdev, bool enable);
-
int (*memory_read)(struct omap_dss_device *dssdev,
void *buf, size_t size,
u16 x, u16 y, u16 w, u16 h);
-
- int (*check_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
- void (*set_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
- void (*get_timings)(struct omap_dss_device *dssdev,
- struct videomode *vm);
- void (*get_size)(struct omap_dss_device *dssdev,
- unsigned int *width, unsigned int *height);
-
- int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
- u32 (*get_wss)(struct omap_dss_device *dssdev);
-
- int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
- bool (*detect)(struct omap_dss_device *dssdev);
-
- int (*register_hpd_cb)(struct omap_dss_device *dssdev,
- void (*cb)(void *cb_data,
- enum drm_connector_status status),
- void *cb_data);
- void (*unregister_hpd_cb)(struct omap_dss_device *dssdev);
- void (*enable_hpd)(struct omap_dss_device *dssdev);
- void (*disable_hpd)(struct omap_dss_device *dssdev);
-
- int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode);
- int (*set_hdmi_infoframe)(struct omap_dss_device *dssdev,
- const struct hdmi_avi_infoframe *avi);
};
struct dss_device *omapdss_get_dss(void);
@@ -581,27 +431,33 @@
return !!omapdss_get_dss();
}
-int omapdss_register_display(struct omap_dss_device *dssdev);
-void omapdss_unregister_display(struct omap_dss_device *dssdev);
+void omapdss_display_init(struct omap_dss_device *dssdev);
+int omapdss_display_get_modes(struct drm_connector *connector,
+ const struct videomode *vm);
-struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev);
-void omap_dss_put_device(struct omap_dss_device *dssdev);
-#define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL)
-struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from);
+void omapdss_device_register(struct omap_dss_device *dssdev);
+void omapdss_device_unregister(struct omap_dss_device *dssdev);
+struct omap_dss_device *omapdss_device_get(struct omap_dss_device *dssdev);
+void omapdss_device_put(struct omap_dss_device *dssdev);
+struct omap_dss_device *omapdss_find_device_by_node(struct device_node *node);
+int omapdss_device_connect(struct dss_device *dss,
+ struct omap_dss_device *src,
+ struct omap_dss_device *dst);
+void omapdss_device_disconnect(struct omap_dss_device *src,
+ struct omap_dss_device *dst);
+void omapdss_device_enable(struct omap_dss_device *dssdev);
+void omapdss_device_disable(struct omap_dss_device *dssdev);
int omap_dss_get_num_overlay_managers(void);
int omap_dss_get_num_overlays(void);
-int omapdss_register_output(struct omap_dss_device *output);
-void omapdss_unregister_output(struct omap_dss_device *output);
-struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id);
-struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port);
-int omapdss_output_set_device(struct omap_dss_device *out,
- struct omap_dss_device *dssdev);
-int omapdss_output_unset_device(struct omap_dss_device *out);
-
-struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev);
+#define for_each_dss_output(d) \
+ while ((d = omapdss_device_next_output(d)) != NULL)
+struct omap_dss_device *omapdss_device_next_output(struct omap_dss_device *from);
+int omapdss_device_init_output(struct omap_dss_device *out,
+ struct drm_bridge *local_bridge);
+void omapdss_device_cleanup_output(struct omap_dss_device *out);
typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
@@ -610,21 +466,10 @@
int omapdss_compat_init(void);
void omapdss_compat_uninit(void);
-static inline bool omapdss_device_is_connected(struct omap_dss_device *dssdev)
-{
- return dssdev->src;
-}
-
static inline bool omapdss_device_is_enabled(struct omap_dss_device *dssdev)
{
return dssdev->state == OMAP_DSS_DISPLAY_ACTIVE;
}
-
-struct omap_dss_device *
-omapdss_of_find_source_for_first_ep(struct device_node *node);
-
-struct device_node *dss_of_port_get_parent_device(struct device_node *port);
-u32 dss_of_port_get_port_number(struct device_node *port);
enum dss_writeback_channel {
DSS_WB_LCD1_MGR = 0,
@@ -638,13 +483,6 @@
};
struct dss_mgr_ops {
- int (*connect)(struct omap_drm_private *priv,
- enum omap_channel channel,
- struct omap_dss_device *dst);
- void (*disconnect)(struct omap_drm_private *priv,
- enum omap_channel channel,
- struct omap_dss_device *dst);
-
void (*start_update)(struct omap_drm_private *priv,
enum omap_channel channel);
int (*enable)(struct omap_drm_private *priv,
@@ -665,14 +503,11 @@
void (*handler)(void *), void *data);
};
-int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops,
+int dss_install_mgr_ops(struct dss_device *dss,
+ const struct dss_mgr_ops *mgr_ops,
struct omap_drm_private *priv);
-void dss_uninstall_mgr_ops(void);
+void dss_uninstall_mgr_ops(struct dss_device *dss);
-int dss_mgr_connect(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst);
-void dss_mgr_disconnect(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst);
void dss_mgr_set_timings(struct omap_dss_device *dssdev,
const struct videomode *vm);
void dss_mgr_set_lcd_config(struct omap_dss_device *dssdev,
@@ -720,13 +555,14 @@
void (*mgr_set_lcd_config)(struct dispc_device *dispc,
enum omap_channel channel,
const struct dss_lcd_mgr_config *config);
+ int (*mgr_check_timings)(struct dispc_device *dispc,
+ enum omap_channel channel,
+ const struct videomode *vm);
void (*mgr_set_timings)(struct dispc_device *dispc,
enum omap_channel channel,
const struct videomode *vm);
void (*mgr_setup)(struct dispc_device *dispc, enum omap_channel channel,
const struct omap_overlay_manager_info *info);
- enum omap_dss_output_id (*mgr_get_supported_outputs)(
- struct dispc_device *dispc, enum omap_channel channel);
u32 (*mgr_gamma_size)(struct dispc_device *dispc,
enum omap_channel channel);
void (*mgr_set_gamma)(struct dispc_device *dispc,
@@ -756,9 +592,6 @@
struct dispc_device *dispc_get_dispc(struct dss_device *dss);
const struct dispc_ops *dispc_get_ops(struct dss_device *dss);
-
-bool omapdss_component_is_display(struct device_node *node);
-bool omapdss_component_is_output(struct device_node *node);
bool omapdss_stack_is_ready(void);
void omapdss_gather_components(struct device *dev);
--
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