diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/display.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/display.h | 107 |
1 files changed, 46 insertions, 61 deletions
diff --git a/drivers/gpu/drm/i915/gvt/display.h b/drivers/gpu/drm/i915/gvt/display.h index ea7c1c525b8c..bc7f05f9a271 100644 --- a/drivers/gpu/drm/i915/gvt/display.h +++ b/drivers/gpu/drm/i915/gvt/display.h @@ -35,6 +35,12 @@ #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 0x700 @@ -53,65 +59,10 @@ #define INTEL_GVT_MAX_UEVENT_VARS 3 -/* DPCD start */ -#define DPCD_SIZE 0x700 - -/* DPCD */ -#define DP_SET_POWER 0x600 -#define DP_SET_POWER_D0 0x1 -#define AUX_NATIVE_WRITE 0x8 -#define AUX_NATIVE_READ 0x9 - -#define AUX_NATIVE_REPLY_MASK (0x3 << 4) -#define AUX_NATIVE_REPLY_ACK (0x0 << 4) #define AUX_NATIVE_REPLY_NAK (0x1 << 4) -#define AUX_NATIVE_REPLY_DEFER (0x2 << 4) #define AUX_BURST_SIZE 20 -/* DPCD addresses */ -#define DPCD_REV 0x000 -#define DPCD_MAX_LINK_RATE 0x001 -#define DPCD_MAX_LANE_COUNT 0x002 - -#define DPCD_TRAINING_PATTERN_SET 0x102 -#define DPCD_SINK_COUNT 0x200 -#define DPCD_LANE0_1_STATUS 0x202 -#define DPCD_LANE2_3_STATUS 0x203 -#define DPCD_LANE_ALIGN_STATUS_UPDATED 0x204 -#define DPCD_SINK_STATUS 0x205 - -/* link training */ -#define DPCD_TRAINING_PATTERN_SET_MASK 0x03 -#define DPCD_LINK_TRAINING_DISABLED 0x00 -#define DPCD_TRAINING_PATTERN_1 0x01 -#define DPCD_TRAINING_PATTERN_2 0x02 - -#define DPCD_CP_READY_MASK (1 << 6) - -/* lane status */ -#define DPCD_LANES_CR_DONE 0x11 -#define DPCD_LANES_EQ_DONE 0x22 -#define DPCD_SYMBOL_LOCKED 0x44 - -#define DPCD_INTERLANE_ALIGN_DONE 0x01 - -#define DPCD_SINK_IN_SYNC 0x03 -/* DPCD end */ - -#define SBI_RESPONSE_MASK 0x3 -#define SBI_RESPONSE_SHIFT 0x1 -#define SBI_STAT_MASK 0x1 -#define SBI_STAT_SHIFT 0x0 -#define SBI_OPCODE_SHIFT 8 -#define SBI_OPCODE_MASK (0xff << SBI_OPCODE_SHIFT) -#define SBI_CMD_IORD 2 -#define SBI_CMD_IOWR 3 -#define SBI_CMD_CRRD 6 -#define SBI_CMD_CRWR 7 -#define SBI_ADDR_OFFSET_SHIFT 16 -#define SBI_ADDR_OFFSET_MASK (0xffff << SBI_ADDR_OFFSET_SHIFT) - struct intel_vgpu_sbi_register { unsigned int offset; u32 value; @@ -146,18 +97,28 @@ enum intel_vgpu_port_type { 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; }; -enum intel_vgpu_edid { - GVT_EDID_1024_768, - GVT_EDID_1920_1200, - GVT_EDID_NUM, +struct intel_vgpu_vblank_timer { + struct hrtimer timer; + u32 vrefresh_k; + u64 period; }; static inline char *vgpu_edid_str(enum intel_vgpu_edid id) @@ -172,8 +133,32 @@ static inline char *vgpu_edid_str(enum intel_vgpu_edid id) } } -void intel_gvt_emulate_vblank(struct intel_gvt *gvt); -void intel_gvt_check_vblank_emulation(struct intel_gvt *gvt); +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); |