diff options
Diffstat (limited to 'include/drm/drm_dp_dual_mode_helper.h')
| -rw-r--r-- | include/drm/drm_dp_dual_mode_helper.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/include/drm/drm_dp_dual_mode_helper.h b/include/drm/drm_dp_dual_mode_helper.h deleted file mode 100644 index 4c42db81fcb4..000000000000 --- a/include/drm/drm_dp_dual_mode_helper.h +++ /dev/null @@ -1,119 +0,0 @@ -/* - * 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 |