/*
* Copyright ( c ) 2011 - 2016 Intel 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 , 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 ( 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 NONINFRINGEMENT . 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 .
*
* Authors :
* Ke Yu
* Zhiyuan Lv < zhiyuan . lv @ intel . com >
*
* Contributors :
* Terrence Xu < terrence . xu @ intel . com >
* Changbin Du < changbin . du @ intel . com >
* Bing Niu < bing . niu @ intel . com >
* Zhi Wang < zhi . a . wang @ intel . com >
*
*/
#ifndef _GVT_DISPLAY_H_
#define _GVT_DISPLAY_H_
#include <linux/types.h>
#include <linux/hrtimer.h>
struct intel_gvt;
struct intel_vgpu;
#define SBI_REG_MAX 20
#define DPCD_SIZE 0 x700
#define intel_vgpu_port(vgpu, port) \
(&(vgpu->display.ports[port]))
#define intel_vgpu_has_monitor_on_port(vgpu, port) \
(intel_vgpu_port(vgpu, port)->edid && \
intel_vgpu_port(vgpu, port)->edid->data_valid)
#define intel_vgpu_port_is_dp(vgpu, port) \
((intel_vgpu_port(vgpu, port)->type == GVT_DP_A) || \
(intel_vgpu_port(vgpu, port)->type == GVT_DP_B) || \
(intel_vgpu_port(vgpu, port)->type == GVT_DP_C) || \
(intel_vgpu_port(vgpu, port)->type == GVT_DP_D))
#define INTEL_GVT_MAX_UEVENT_VARS 3
#define AUX_NATIVE_REPLY_NAK (0 x1 << 4 )
#define AUX_BURST_SIZE 20
struct intel_vgpu_sbi_register {
unsigned int offset;
u32 value;
};
struct intel_vgpu_sbi {
int number;
struct intel_vgpu_sbi_register registers[SBI_REG_MAX];
};
enum intel_gvt_plane_type {
PRIMARY_PLANE = 0 ,
CURSOR_PLANE,
SPRITE_PLANE,
MAX_PLANE
};
struct intel_vgpu_dpcd_data {
bool data_valid;
u8 data[DPCD_SIZE];
};
enum intel_vgpu_port_type {
GVT_CRT = 0 ,
GVT_DP_A,
GVT_DP_B,
GVT_DP_C,
GVT_DP_D,
GVT_HDMI_B,
GVT_HDMI_C,
GVT_HDMI_D,
GVT_PORT_MAX
};
enum intel_vgpu_edid {
GVT_EDID_1024_768,
GVT_EDID_1920_1200,
GVT_EDID_NUM,
};
#define GVT_DEFAULT_REFRESH_RATE 60
struct intel_vgpu_port {
/* per display EDID information */
struct intel_vgpu_edid_data *edid;
/* per display DPCD information */
struct intel_vgpu_dpcd_data *dpcd;
int type;
enum intel_vgpu_edid id;
/* x1000 to get accurate 59.94, 24.976, 29.94, etc. in timing std. */
u32 vrefresh_k;
};
struct intel_vgpu_vblank_timer {
struct hrtimer timer;
u32 vrefresh_k;
u64 period;
};
static inline char *vgpu_edid_str(enum intel_vgpu_edid id)
{
switch (id) {
case GVT_EDID_1024_768:
return "1024x768" ;
case GVT_EDID_1920_1200:
return "1920x1200" ;
default :
return "" ;
}
}
static inline unsigned int vgpu_edid_xres(enum intel_vgpu_edid id)
{
switch (id) {
case GVT_EDID_1024_768:
return 1024 ;
case GVT_EDID_1920_1200:
return 1920 ;
default :
return 0 ;
}
}
static inline unsigned int vgpu_edid_yres(enum intel_vgpu_edid id)
{
switch (id) {
case GVT_EDID_1024_768:
return 768 ;
case GVT_EDID_1920_1200:
return 1200 ;
default :
return 0 ;
}
}
void intel_vgpu_emulate_vblank(struct intel_vgpu *vgpu);
void vgpu_update_vblank_emulation(struct intel_vgpu *vgpu, bool turnon);
int intel_vgpu_init_display(struct intel_vgpu *vgpu, u64 resolution);
void intel_vgpu_reset_display(struct intel_vgpu *vgpu);
void intel_vgpu_clean_display(struct intel_vgpu *vgpu);
int pipe_is_enabled(struct intel_vgpu *vgpu, int pipe);
#endif
Messung V0.5 in Prozent C=98 H=100 G=98
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet am 2026-10-03)
¤
*© Formatika GbR, Deutschland