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Name	Size	Permission
bridge	[ DIR ]	drwxr-xr-x
i2c	[ DIR ]	drwxr-xr-x
ttm	[ DIR ]	drwxr-xr-x
amd_asic_type.h	1.66 KB	-rw-r--r--
ati_pcigart.h	731 B	-rw-r--r--
drmP.h	3.05 KB	-rw-r--r--
drm_agpsupport.h	3.44 KB	-rw-r--r--
drm_atomic.h	34.86 KB	-rw-r--r--
drm_atomic_helper.h	9.1 KB	-rw-r--r--
drm_atomic_state_helper.h	3.32 KB	-rw-r--r--
drm_atomic_uapi.h	2.17 KB	-rw-r--r--
drm_audio_component.h	3.67 KB	-rw-r--r--
drm_auth.h	3.53 KB	-rw-r--r--
drm_blend.h	2.35 KB	-rw-r--r--
drm_bridge.h	16.85 KB	-rw-r--r--
drm_cache.h	2.85 KB	-rw-r--r--
drm_client.h	4.5 KB	-rw-r--r--
drm_color_mgmt.h	3.18 KB	-rw-r--r--
drm_connector.h	51.59 KB	-rw-r--r--
drm_crtc.h	41.04 KB	-rw-r--r--
drm_crtc_helper.h	2.39 KB	-rw-r--r--
drm_damage_helper.h	3.97 KB	-rw-r--r--
drm_debugfs.h	3.41 KB	-rw-r--r--
drm_debugfs_crc.h	2.66 KB	-rw-r--r--
drm_device.h	8.35 KB	-rw-r--r--
drm_displayid.h	3.24 KB	-rw-r--r--
drm_dp_dual_mode_helper.h	4.43 KB	-rw-r--r--
drm_dp_helper.h	56.15 KB	-rw-r--r--
drm_dp_mst_helper.h	21.92 KB	-rw-r--r--
drm_drv.h	26.12 KB	-rw-r--r--
drm_dsc.h	16.21 KB	-rw-r--r--
drm_edid.h	15.75 KB	-rw-r--r--
drm_encoder.h	8.47 KB	-rw-r--r--
drm_encoder_slave.h	6.44 KB	-rw-r--r--
drm_fb_cma_helper.h	392 B	-rw-r--r--
drm_fb_helper.h	15.9 KB	-rw-r--r--
drm_file.h	10.67 KB	-rw-r--r--
drm_fixed.h	4.71 KB	-rw-r--r--
drm_flip_work.h	3.01 KB	-rw-r--r--
drm_format_helper.h	1.15 KB	-rw-r--r--
drm_fourcc.h	9.75 KB	-rw-r--r--
drm_framebuffer.h	9.56 KB	-rw-r--r--
drm_gem.h	12.06 KB	-rw-r--r--
drm_gem_cma_helper.h	4.46 KB	-rw-r--r--
drm_gem_framebuffer_helper.h	1.26 KB	-rw-r--r--
drm_gem_shmem_helper.h	5.08 KB	-rw-r--r--
drm_gem_vram_helper.h	3.73 KB	-rw-r--r--
drm_hashtab.h	3.01 KB	-rw-r--r--
drm_hdcp.h	8.55 KB	-rw-r--r--
drm_ioctl.h	6.23 KB	-rw-r--r--
drm_irq.h	1.29 KB	-rw-r--r--
drm_lease.h	1010 B	-rw-r--r--
drm_legacy.h	6.58 KB	-rw-r--r--
drm_mipi_dbi.h	4.36 KB	-rw-r--r--
drm_mipi_dsi.h	10.59 KB	-rw-r--r--
drm_mm.h	17.39 KB	-rw-r--r--
drm_mode_config.h	31.28 KB	-rw-r--r--
drm_mode_object.h	5.17 KB	-rw-r--r--
drm_modes.h	18.77 KB	-rw-r--r--
drm_modeset_helper.h	1.77 KB	-rw-r--r--
drm_modeset_helper_vtables.h	51.53 KB	-rw-r--r--
drm_modeset_lock.h	6.38 KB	-rw-r--r--
drm_of.h	3.37 KB	-rw-r--r--
drm_os_linux.h	2.04 KB	-rw-r--r--
drm_panel.h	5.16 KB	-rw-r--r--
drm_pci.h	2.23 KB	-rw-r--r--
drm_pciids.h	66.47 KB	-rw-r--r--
drm_plane.h	26.26 KB	-rw-r--r--
drm_plane_helper.h	1.75 KB	-rw-r--r--
drm_prime.h	3.86 KB	-rw-r--r--
drm_print.h	14.07 KB	-rw-r--r--
drm_probe_helper.h	848 B	-rw-r--r--
drm_property.h	11.49 KB	-rw-r--r--
drm_rect.h	5.61 KB	-rw-r--r--
drm_scdc_helper.h	4.34 KB	-rw-r--r--
drm_self_refresh_helper.h	594 B	-rw-r--r--
drm_simple_kms_helper.h	6.01 KB	-rw-r--r--
drm_syncobj.h	3.85 KB	-rw-r--r--
drm_sysfs.h	442 B	-rw-r--r--
drm_util.h	2.58 KB	-rw-r--r--
drm_utils.h	504 B	-rw-r--r--
drm_vblank.h	7.63 KB	-rw-r--r--
drm_vma_manager.h	8.14 KB	-rw-r--r--
drm_vram_mm_helper.h	2.86 KB	-rw-r--r--
drm_writeback.h	3.89 KB	-rw-r--r--
gma_drm.h	413 B	-rw-r--r--
gpu_scheduler.h	12.46 KB	-rw-r--r--
i915_component.h	1.76 KB	-rw-r--r--
i915_drm.h	3.77 KB	-rw-r--r--
i915_mei_hdcp_interface.h	4.91 KB	-rw-r--r--
i915_pciids.h	19.34 KB	-rw-r--r--
intel-gtt.h	996 B	-rw-r--r--
intel_lpe_audio.h	1.72 KB	-rw-r--r--
spsc_queue.h	3.06 KB	-rw-r--r--

Code Editor : drm_dp_dual_mode_helper.h

/*
 * Copyright © 2016 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef DRM_DP_DUAL_MODE_HELPER_H
#define DRM_DP_DUAL_MODE_HELPER_H

#include <linux/types.h>

/*
 * Optional for type 1 DVI adaptors
 * Mandatory for type 1 HDMI and type 2 adaptors
 */
#define DP_DUAL_MODE_HDMI_ID 0x00 /* 00-0f */
#define  DP_DUAL_MODE_HDMI_ID_LEN 16
/*
 * Optional for type 1 adaptors
 * Mandatory for type 2 adaptors
 */
#define DP_DUAL_MODE_ADAPTOR_ID 0x10
#define  DP_DUAL_MODE_REV_MASK 0x07
#define  DP_DUAL_MODE_REV_TYPE2 0x00
#define  DP_DUAL_MODE_TYPE_MASK 0xf0
#define  DP_DUAL_MODE_TYPE_TYPE2 0xa0
/* This field is marked reserved in dual mode spec, used in LSPCON */
#define  DP_DUAL_MODE_TYPE_HAS_DPCD 0x08
#define DP_DUAL_MODE_IEEE_OUI 0x11 /* 11-13*/
#define  DP_DUAL_IEEE_OUI_LEN 3
#define DP_DUAL_DEVICE_ID 0x14 /* 14-19 */
#define  DP_DUAL_DEVICE_ID_LEN 6
#define DP_DUAL_MODE_HARDWARE_REV 0x1a
#define DP_DUAL_MODE_FIRMWARE_MAJOR_REV 0x1b
#define DP_DUAL_MODE_FIRMWARE_MINOR_REV 0x1c
#define DP_DUAL_MODE_MAX_TMDS_CLOCK 0x1d
#define DP_DUAL_MODE_I2C_SPEED_CAP 0x1e
#define DP_DUAL_MODE_TMDS_OEN 0x20
#define  DP_DUAL_MODE_TMDS_DISABLE 0x01
#define DP_DUAL_MODE_HDMI_PIN_CTRL 0x21
#define  DP_DUAL_MODE_CEC_ENABLE 0x01
#define DP_DUAL_MODE_I2C_SPEED_CTRL 0x22

/* LSPCON specific registers, defined by MCA */
#define DP_DUAL_MODE_LSPCON_MODE_CHANGE		0x40
#define DP_DUAL_MODE_LSPCON_CURRENT_MODE		0x41
#define  DP_DUAL_MODE_LSPCON_MODE_PCON			0x1

struct i2c_adapter;

ssize_t drm_dp_dual_mode_read(struct i2c_adapter *adapter,
			      u8 offset, void *buffer, size_t size);
ssize_t drm_dp_dual_mode_write(struct i2c_adapter *adapter,
			       u8 offset, const void *buffer, size_t size);

/**
 * enum drm_lspcon_mode
 * @DRM_LSPCON_MODE_INVALID: No LSPCON.
 * @DRM_LSPCON_MODE_LS: Level shifter mode of LSPCON
 *	which drives DP++ to HDMI 1.4 conversion.
 * @DRM_LSPCON_MODE_PCON: Protocol converter mode of LSPCON
 *	which drives DP++ to HDMI 2.0 active conversion.
 */
enum drm_lspcon_mode {
	DRM_LSPCON_MODE_INVALID,
	DRM_LSPCON_MODE_LS,
	DRM_LSPCON_MODE_PCON,
};

/**
 * enum drm_dp_dual_mode_type - Type of the DP dual mode adaptor
 * @DRM_DP_DUAL_MODE_NONE: No DP dual mode adaptor
 * @DRM_DP_DUAL_MODE_UNKNOWN: Could be either none or type 1 DVI adaptor
 * @DRM_DP_DUAL_MODE_TYPE1_DVI: Type 1 DVI adaptor
 * @DRM_DP_DUAL_MODE_TYPE1_HDMI: Type 1 HDMI adaptor
 * @DRM_DP_DUAL_MODE_TYPE2_DVI: Type 2 DVI adaptor
 * @DRM_DP_DUAL_MODE_TYPE2_HDMI: Type 2 HDMI adaptor
 * @DRM_DP_DUAL_MODE_LSPCON: Level shifter / protocol converter
 */
enum drm_dp_dual_mode_type {
	DRM_DP_DUAL_MODE_NONE,
	DRM_DP_DUAL_MODE_UNKNOWN,
	DRM_DP_DUAL_MODE_TYPE1_DVI,
	DRM_DP_DUAL_MODE_TYPE1_HDMI,
	DRM_DP_DUAL_MODE_TYPE2_DVI,
	DRM_DP_DUAL_MODE_TYPE2_HDMI,
	DRM_DP_DUAL_MODE_LSPCON,
};

enum drm_dp_dual_mode_type drm_dp_dual_mode_detect(struct i2c_adapter *adapter);
int drm_dp_dual_mode_max_tmds_clock(enum drm_dp_dual_mode_type type,
				    struct i2c_adapter *adapter);
int drm_dp_dual_mode_get_tmds_output(enum drm_dp_dual_mode_type type,
				     struct i2c_adapter *adapter, bool *enabled);
int drm_dp_dual_mode_set_tmds_output(enum drm_dp_dual_mode_type type,
				     struct i2c_adapter *adapter, bool enable);
const char *drm_dp_get_dual_mode_type_name(enum drm_dp_dual_mode_type type);

int drm_lspcon_get_mode(struct i2c_adapter *adapter,
			enum drm_lspcon_mode *current_mode);
int drm_lspcon_set_mode(struct i2c_adapter *adapter,
			enum drm_lspcon_mode reqd_mode);
#endif

${this.title}

Code Editor : drm_dp_dual_mode_helper.h