183 lines
4.9 KiB
C
183 lines
4.9 KiB
C
/*
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* Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Ke Yu
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* Zhiyuan Lv <zhiyuan.lv@intel.com>
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*
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* Contributors:
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* Terrence Xu <terrence.xu@intel.com>
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* Changbin Du <changbin.du@intel.com>
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* Bing Niu <bing.niu@intel.com>
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* Zhi Wang <zhi.a.wang@intel.com>
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*
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*/
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#ifndef _GVT_DISPLAY_H_
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#define _GVT_DISPLAY_H_
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#define SBI_REG_MAX 20
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#define DPCD_SIZE 0x700
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#define intel_vgpu_port(vgpu, port) \
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(&(vgpu->display.ports[port]))
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#define intel_vgpu_has_monitor_on_port(vgpu, port) \
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(intel_vgpu_port(vgpu, port)->edid && \
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intel_vgpu_port(vgpu, port)->edid->data_valid)
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#define intel_vgpu_port_is_dp(vgpu, port) \
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((intel_vgpu_port(vgpu, port)->type == GVT_DP_A) || \
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(intel_vgpu_port(vgpu, port)->type == GVT_DP_B) || \
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(intel_vgpu_port(vgpu, port)->type == GVT_DP_C) || \
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(intel_vgpu_port(vgpu, port)->type == GVT_DP_D))
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#define INTEL_GVT_MAX_UEVENT_VARS 3
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/* DPCD start */
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#define DPCD_SIZE 0x700
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/* DPCD */
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#define DP_SET_POWER 0x600
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#define DP_SET_POWER_D0 0x1
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#define AUX_NATIVE_WRITE 0x8
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#define AUX_NATIVE_READ 0x9
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#define AUX_NATIVE_REPLY_MASK (0x3 << 4)
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#define AUX_NATIVE_REPLY_ACK (0x0 << 4)
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#define AUX_NATIVE_REPLY_NAK (0x1 << 4)
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#define AUX_NATIVE_REPLY_DEFER (0x2 << 4)
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#define AUX_BURST_SIZE 16
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/* DPCD addresses */
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#define DPCD_REV 0x000
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#define DPCD_MAX_LINK_RATE 0x001
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#define DPCD_MAX_LANE_COUNT 0x002
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#define DPCD_TRAINING_PATTERN_SET 0x102
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#define DPCD_SINK_COUNT 0x200
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#define DPCD_LANE0_1_STATUS 0x202
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#define DPCD_LANE2_3_STATUS 0x203
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#define DPCD_LANE_ALIGN_STATUS_UPDATED 0x204
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#define DPCD_SINK_STATUS 0x205
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/* link training */
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#define DPCD_TRAINING_PATTERN_SET_MASK 0x03
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#define DPCD_LINK_TRAINING_DISABLED 0x00
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#define DPCD_TRAINING_PATTERN_1 0x01
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#define DPCD_TRAINING_PATTERN_2 0x02
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#define DPCD_CP_READY_MASK (1 << 6)
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/* lane status */
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#define DPCD_LANES_CR_DONE 0x11
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#define DPCD_LANES_EQ_DONE 0x22
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#define DPCD_SYMBOL_LOCKED 0x44
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#define DPCD_INTERLANE_ALIGN_DONE 0x01
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#define DPCD_SINK_IN_SYNC 0x03
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/* DPCD end */
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#define SBI_RESPONSE_MASK 0x3
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#define SBI_RESPONSE_SHIFT 0x1
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#define SBI_STAT_MASK 0x1
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#define SBI_STAT_SHIFT 0x0
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#define SBI_OPCODE_SHIFT 8
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#define SBI_OPCODE_MASK (0xff << SBI_OPCODE_SHIFT)
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#define SBI_CMD_IORD 2
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#define SBI_CMD_IOWR 3
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#define SBI_CMD_CRRD 6
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#define SBI_CMD_CRWR 7
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#define SBI_ADDR_OFFSET_SHIFT 16
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#define SBI_ADDR_OFFSET_MASK (0xffff << SBI_ADDR_OFFSET_SHIFT)
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struct intel_vgpu_sbi_register {
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unsigned int offset;
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u32 value;
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};
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struct intel_vgpu_sbi {
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int number;
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struct intel_vgpu_sbi_register registers[SBI_REG_MAX];
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};
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enum intel_gvt_plane_type {
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PRIMARY_PLANE = 0,
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CURSOR_PLANE,
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SPRITE_PLANE,
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MAX_PLANE
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};
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struct intel_vgpu_dpcd_data {
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bool data_valid;
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u8 data[DPCD_SIZE];
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};
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enum intel_vgpu_port_type {
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GVT_CRT = 0,
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GVT_DP_A,
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GVT_DP_B,
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GVT_DP_C,
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GVT_DP_D,
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GVT_HDMI_B,
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GVT_HDMI_C,
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GVT_HDMI_D,
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GVT_PORT_MAX
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};
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struct intel_vgpu_port {
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/* per display EDID information */
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struct intel_vgpu_edid_data *edid;
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/* per display DPCD information */
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struct intel_vgpu_dpcd_data *dpcd;
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int type;
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};
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enum intel_vgpu_edid {
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GVT_EDID_1024_768,
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GVT_EDID_1920_1200,
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GVT_EDID_NUM,
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};
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static inline char *vgpu_edid_str(enum intel_vgpu_edid id)
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{
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switch (id) {
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case GVT_EDID_1024_768:
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return "1024x768";
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case GVT_EDID_1920_1200:
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return "1920x1200";
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default:
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return "";
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}
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}
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void intel_gvt_emulate_vblank(struct intel_gvt *gvt);
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void intel_gvt_check_vblank_emulation(struct intel_gvt *gvt);
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int intel_vgpu_init_display(struct intel_vgpu *vgpu, u64 resolution);
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void intel_vgpu_reset_display(struct intel_vgpu *vgpu);
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void intel_vgpu_clean_display(struct intel_vgpu *vgpu);
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#endif
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