FM / drm

/usr/src/linux-headers-5.15.0-190/include/drm/

/usr/src/linux-headers-5.15.0-190/include/drm

Name	Size	Mode	Actions
bridge/	-	0755	rm
i2c/	-	0755	rm
ttm/	-	0755	rm
amd_asic_type.h	2199	0644	edit dl rm
drm_aperture.h	1160	0644	edit dl rm
drm_atomic.h	42646	0644	edit dl rm
drm_atomic_helper.h	9488	0644	edit dl rm
drm_atomic_state_helper.h	4307	0644	edit dl rm
drm_atomic_uapi.h	2218	0644	edit dl rm
drm_audio_component.h	3879	0644	edit dl rm
drm_auth.h	4754	0644	edit dl rm
drm_blend.h	2407	0644	edit dl rm
drm_bridge.h	34359	0644	edit dl rm
drm_bridge_connector.h	548	0644	edit dl rm
drm_cache.h	3082	0644	edit dl rm
drm_client.h	5056	0644	edit dl rm
drm_color_mgmt.h	3910	0644	edit dl rm
drm_connector.h	57270	0644	edit dl rm
drm_crtc.h	45550	0644	edit dl rm
drm_crtc_helper.h	2448	0644	edit dl rm
drm_damage_helper.h	3408	0644	edit dl rm
drm_debugfs.h	3486	0644	edit dl rm
drm_debugfs_crc.h	2723	0644	edit dl rm
drm_device.h	8727	0644	edit dl rm
drm_displayid.h	3399	0644	edit dl rm
drm_dp_aux_bus.h	1740	0644	edit dl rm
drm_dp_dual_mode_helper.h	4731	0644	edit dl rm
drm_dp_helper.h	89773	0644	edit dl rm
drm_dp_mst_helper.h	28721	0644	edit dl rm
drm_drv.h	19117	0644	edit dl rm
drm_dsc.h	16682	0644	edit dl rm
drm_edid.h	17644	0644	edit dl rm
drm_encoder.h	10891	0644	edit dl rm
drm_encoder_slave.h	6590	0644	edit dl rm
drm_fb_cma_helper.h	575	0644	edit dl rm
drm_fb_helper.h	13008	0644	edit dl rm
drm_file.h	12518	0644	edit dl rm
drm_fixed.h	4826	0644	edit dl rm
drm_flip_work.h	3080	0644	edit dl rm
drm_format_helper.h	1522	0644	edit dl rm
drm_fourcc.h	9933	0644	edit dl rm
drm_framebuffer.h	10649	0644	edit dl rm
drm_gem.h	12082	0644	edit dl rm
drm_gem_atomic_helper.h	4718	0644	edit dl rm
drm_gem_cma_helper.h	6998	0644	edit dl rm
drm_gem_framebuffer_helper.h	2105	0644	edit dl rm
drm_gem_shmem_helper.h	8497	0644	edit dl rm
drm_gem_ttm_helper.h	861	0644	edit dl rm
drm_gem_vram_helper.h	6313	0644	edit dl rm
drm_hashtab.h	3083	0644	edit dl rm
drm_hdcp.h	9006	0644	edit dl rm
drm_ioctl.h	6381	0644	edit dl rm
drm_lease.h	1010	0644	edit dl rm
drm_legacy.h	9479	0644	edit dl rm
drm_managed.h	3426	0644	edit dl rm
drm_mipi_dbi.h	4834	0644	edit dl rm
drm_mipi_dsi.h	11553	0644	edit dl rm
drm_mm.h	17924	0644	edit dl rm
drm_modes.h	18616	0644	edit dl rm
drm_modeset_helper.h	1814	0644	edit dl rm
drm_modeset_helper_vtables.h	57322	0644	edit dl rm
drm_modeset_lock.h	6964	0644	edit dl rm
drm_mode_config.h	33017	0644	edit dl rm
drm_mode_object.h	5294	0644	edit dl rm
drm_of.h	4250	0644	edit dl rm
drm_panel.h	6408	0644	edit dl rm
drm_pciids.h	68070	0644	edit dl rm
drm_plane.h	29161	0644	edit dl rm
drm_plane_helper.h	1787	0644	edit dl rm
drm_prime.h	4168	0644	edit dl rm
drm_print.h	18139	0644	edit dl rm
drm_probe_helper.h	922	0644	edit dl rm
drm_property.h	12042	0644	edit dl rm
drm_rect.h	7022	0644	edit dl rm
drm_scdc_helper.h	4445	0644	edit dl rm
drm_self_refresh_helper.h	594	0644	edit dl rm
drm_simple_kms_helper.h	9119	0644	edit dl rm
drm_syncobj.h	3943	0644	edit dl rm
drm_sysfs.h	442	0644	edit dl rm
drm_util.h	2642	0644	edit dl rm
drm_utils.h	504	0644	edit dl rm
drm_vblank.h	9255	0644	edit dl rm
drm_vblank_work.h	1956	0644	edit dl rm
drm_vma_manager.h	8343	0644	edit dl rm
drm_writeback.h	4150	0644	edit dl rm
gma_drm.h	413	0644	edit dl rm
gpu_scheduler.h	15814	0644	edit dl rm
gud.h	11856	0644	edit dl rm
i915_component.h	1805	0644	edit dl rm
i915_drm.h	3690	0644	edit dl rm
i915_mei_hdcp_interface.h	5899	0644	edit dl rm
i915_pciids.h	21821	0644	edit dl rm
intel-gtt.h	996	0644	edit dl rm
intel_lpe_audio.h	1758	0644	edit dl rm
spsc_queue.h	3157	0644	edit dl rm
task_barrier.h	3020	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/include/drm/drm_scdc_helper.h (4445B)

/*
 * Copyright (c) 2015 NVIDIA Corporation. All rights reserved.
 *
 * 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, sub license,
 * 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 (including the
 * next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS 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_SCDC_HELPER_H
#define DRM_SCDC_HELPER_H

#include <linux/i2c.h>
#include <linux/types.h>

#define SCDC_SINK_VERSION 0x01

#define SCDC_SOURCE_VERSION 0x02

#define SCDC_UPDATE_0 0x10
#define  SCDC_READ_REQUEST_TEST (1 << 2)
#define  SCDC_CED_UPDATE (1 << 1)
#define  SCDC_STATUS_UPDATE (1 << 0)

#define SCDC_UPDATE_1 0x11

#define SCDC_TMDS_CONFIG 0x20
#define  SCDC_TMDS_BIT_CLOCK_RATIO_BY_40 (1 << 1)
#define  SCDC_TMDS_BIT_CLOCK_RATIO_BY_10 (0 << 1)
#define  SCDC_SCRAMBLING_ENABLE (1 << 0)

#define SCDC_SCRAMBLER_STATUS 0x21
#define  SCDC_SCRAMBLING_STATUS (1 << 0)

#define SCDC_CONFIG_0 0x30
#define  SCDC_READ_REQUEST_ENABLE (1 << 0)

#define SCDC_STATUS_FLAGS_0 0x40
#define  SCDC_CH2_LOCK (1 << 3)
#define  SCDC_CH1_LOCK (1 << 2)
#define  SCDC_CH0_LOCK (1 << 1)
#define  SCDC_CH_LOCK_MASK (SCDC_CH2_LOCK | SCDC_CH1_LOCK | SCDC_CH0_LOCK)
#define  SCDC_CLOCK_DETECT (1 << 0)

#define SCDC_STATUS_FLAGS_1 0x41

#define SCDC_ERR_DET_0_L 0x50
#define SCDC_ERR_DET_0_H 0x51
#define SCDC_ERR_DET_1_L 0x52
#define SCDC_ERR_DET_1_H 0x53
#define SCDC_ERR_DET_2_L 0x54
#define SCDC_ERR_DET_2_H 0x55
#define  SCDC_CHANNEL_VALID (1 << 7)

#define SCDC_ERR_DET_CHECKSUM 0x56

#define SCDC_TEST_CONFIG_0 0xc0
#define  SCDC_TEST_READ_REQUEST (1 << 7)
#define  SCDC_TEST_READ_REQUEST_DELAY(x) ((x) & 0x7f)

#define SCDC_MANUFACTURER_IEEE_OUI 0xd0
#define SCDC_MANUFACTURER_IEEE_OUI_SIZE 3

#define SCDC_DEVICE_ID 0xd3
#define SCDC_DEVICE_ID_SIZE 8

#define SCDC_DEVICE_HARDWARE_REVISION 0xdb
#define  SCDC_GET_DEVICE_HARDWARE_REVISION_MAJOR(x) (((x) >> 4) & 0xf)
#define  SCDC_GET_DEVICE_HARDWARE_REVISION_MINOR(x) (((x) >> 0) & 0xf)

#define SCDC_DEVICE_SOFTWARE_MAJOR_REVISION 0xdc
#define SCDC_DEVICE_SOFTWARE_MINOR_REVISION 0xdd

#define SCDC_MANUFACTURER_SPECIFIC 0xde
#define SCDC_MANUFACTURER_SPECIFIC_SIZE 34

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

/**
 * drm_scdc_readb - read a single byte from SCDC
 * @adapter: I2C adapter
 * @offset: offset of register to read
 * @value: return location for the register value
 *
 * Reads a single byte from SCDC. This is a convenience wrapper around the
 * drm_scdc_read() function.
 *
 * Returns:
 * 0 on success or a negative error code on failure.
 */
static inline int drm_scdc_readb(struct i2c_adapter *adapter, u8 offset,
				 u8 *value)
{
	return drm_scdc_read(adapter, offset, value, sizeof(*value));
}

/**
 * drm_scdc_writeb - write a single byte to SCDC
 * @adapter: I2C adapter
 * @offset: offset of register to read
 * @value: return location for the register value
 *
 * Writes a single byte to SCDC. This is a convenience wrapper around the
 * drm_scdc_write() function.
 *
 * Returns:
 * 0 on success or a negative error code on failure.
 */
static inline int drm_scdc_writeb(struct i2c_adapter *adapter, u8 offset,
				  u8 value)
{
	return drm_scdc_write(adapter, offset, &value, sizeof(value));
}

bool drm_scdc_get_scrambling_status(struct i2c_adapter *adapter);

bool drm_scdc_set_scrambling(struct i2c_adapter *adapter, bool enable);
bool drm_scdc_set_high_tmds_clock_ratio(struct i2c_adapter *adapter, bool set);
#endif

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