diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.h | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.h b/drivers/gpu/drm/i915/intel_dp.h deleted file mode 100644 index 2b38054d3b6d..000000000000 --- a/drivers/gpu/drm/i915/intel_dp.h +++ /dev/null @@ -1,144 +0,0 @@ -/* - * Copyright © 2008 Keith Packard - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that copyright - * notice and this permission notice appear in supporting documentation, and - * that the name of the copyright holders not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. The copyright holders make no representations - * about the suitability of this software for any purpose. It is provided "as - * is" without express or implied warranty. - * - * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE - * OF THIS SOFTWARE. - */ - -#ifndef _INTEL_DP_H_ -#define _INTEL_DP_H_ - -/* From the VESA DisplayPort spec */ - -#define AUX_NATIVE_WRITE 0x8 -#define AUX_NATIVE_READ 0x9 -#define AUX_I2C_WRITE 0x0 -#define AUX_I2C_READ 0x1 -#define AUX_I2C_STATUS 0x2 -#define AUX_I2C_MOT 0x4 - -#define AUX_NATIVE_REPLY_ACK (0x0 << 4) -#define AUX_NATIVE_REPLY_NACK (0x1 << 4) -#define AUX_NATIVE_REPLY_DEFER (0x2 << 4) -#define AUX_NATIVE_REPLY_MASK (0x3 << 4) - -#define AUX_I2C_REPLY_ACK (0x0 << 6) -#define AUX_I2C_REPLY_NACK (0x1 << 6) -#define AUX_I2C_REPLY_DEFER (0x2 << 6) -#define AUX_I2C_REPLY_MASK (0x3 << 6) - -/* AUX CH addresses */ -#define DP_LINK_BW_SET 0x100 -# define DP_LINK_BW_1_62 0x06 -# define DP_LINK_BW_2_7 0x0a - -#define DP_LANE_COUNT_SET 0x101 -# define DP_LANE_COUNT_MASK 0x0f -# define DP_LANE_COUNT_ENHANCED_FRAME_EN (1 << 7) - -#define DP_TRAINING_PATTERN_SET 0x102 - -# define DP_TRAINING_PATTERN_DISABLE 0 -# define DP_TRAINING_PATTERN_1 1 -# define DP_TRAINING_PATTERN_2 2 -# define DP_TRAINING_PATTERN_MASK 0x3 - -# define DP_LINK_QUAL_PATTERN_DISABLE (0 << 2) -# define DP_LINK_QUAL_PATTERN_D10_2 (1 << 2) -# define DP_LINK_QUAL_PATTERN_ERROR_RATE (2 << 2) -# define DP_LINK_QUAL_PATTERN_PRBS7 (3 << 2) -# define DP_LINK_QUAL_PATTERN_MASK (3 << 2) - -# define DP_RECOVERED_CLOCK_OUT_EN (1 << 4) -# define DP_LINK_SCRAMBLING_DISABLE (1 << 5) - -# define DP_SYMBOL_ERROR_COUNT_BOTH (0 << 6) -# define DP_SYMBOL_ERROR_COUNT_DISPARITY (1 << 6) -# define DP_SYMBOL_ERROR_COUNT_SYMBOL (2 << 6) -# define DP_SYMBOL_ERROR_COUNT_MASK (3 << 6) - -#define DP_TRAINING_LANE0_SET 0x103 -#define DP_TRAINING_LANE1_SET 0x104 -#define DP_TRAINING_LANE2_SET 0x105 -#define DP_TRAINING_LANE3_SET 0x106 - -# define DP_TRAIN_VOLTAGE_SWING_MASK 0x3 -# define DP_TRAIN_VOLTAGE_SWING_SHIFT 0 -# define DP_TRAIN_MAX_SWING_REACHED (1 << 2) -# define DP_TRAIN_VOLTAGE_SWING_400 (0 << 0) -# define DP_TRAIN_VOLTAGE_SWING_600 (1 << 0) -# define DP_TRAIN_VOLTAGE_SWING_800 (2 << 0) -# define DP_TRAIN_VOLTAGE_SWING_1200 (3 << 0) - -# define DP_TRAIN_PRE_EMPHASIS_MASK (3 << 3) -# define DP_TRAIN_PRE_EMPHASIS_0 (0 << 3) -# define DP_TRAIN_PRE_EMPHASIS_3_5 (1 << 3) -# define DP_TRAIN_PRE_EMPHASIS_6 (2 << 3) -# define DP_TRAIN_PRE_EMPHASIS_9_5 (3 << 3) - -# define DP_TRAIN_PRE_EMPHASIS_SHIFT 3 -# define DP_TRAIN_MAX_PRE_EMPHASIS_REACHED (1 << 5) - -#define DP_DOWNSPREAD_CTRL 0x107 -# define DP_SPREAD_AMP_0_5 (1 << 4) - -#define DP_MAIN_LINK_CHANNEL_CODING_SET 0x108 -# define DP_SET_ANSI_8B10B (1 << 0) - -#define DP_LANE0_1_STATUS 0x202 -#define DP_LANE2_3_STATUS 0x203 - -# define DP_LANE_CR_DONE (1 << 0) -# define DP_LANE_CHANNEL_EQ_DONE (1 << 1) -# define DP_LANE_SYMBOL_LOCKED (1 << 2) - -#define DP_LANE_ALIGN_STATUS_UPDATED 0x204 - -#define DP_INTERLANE_ALIGN_DONE (1 << 0) -#define DP_DOWNSTREAM_PORT_STATUS_CHANGED (1 << 6) -#define DP_LINK_STATUS_UPDATED (1 << 7) - -#define DP_SINK_STATUS 0x205 - -#define DP_RECEIVE_PORT_0_STATUS (1 << 0) -#define DP_RECEIVE_PORT_1_STATUS (1 << 1) - -#define DP_ADJUST_REQUEST_LANE0_1 0x206 -#define DP_ADJUST_REQUEST_LANE2_3 0x207 - -#define DP_ADJUST_VOLTAGE_SWING_LANE0_MASK 0x03 -#define DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT 0 -#define DP_ADJUST_PRE_EMPHASIS_LANE0_MASK 0x0c -#define DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT 2 -#define DP_ADJUST_VOLTAGE_SWING_LANE1_MASK 0x30 -#define DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT 4 -#define DP_ADJUST_PRE_EMPHASIS_LANE1_MASK 0xc0 -#define DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT 6 - -struct i2c_algo_dp_aux_data { - bool running; - u16 address; - int (*aux_ch) (struct i2c_adapter *adapter, - uint8_t *send, int send_bytes, - uint8_t *recv, int recv_bytes); -}; - -int -i2c_dp_aux_add_bus(struct i2c_adapter *adapter); - -#endif /* _INTEL_DP_H_ */ |