diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.h new file mode 100644 index 000000000000..59173c290525 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.h @@ -0,0 +1,109 @@ +#ifndef __NVKM_DISP_DP_H__ +#define __NVKM_DISP_DP_H__ +#define nvkm_dp(p) container_of((p), struct nvkm_dp, outp) +#include "outp.h" + +#include <core/notify.h> +#include <subdev/bios.h> +#include <subdev/bios/dp.h> + +struct nvkm_dp { + union { + struct nvkm_outp base; + struct nvkm_outp outp; + }; + + struct nvbios_dpout info; + u8 version; + + struct nvkm_i2c_aux *aux; + + struct nvkm_notify hpd; + bool present; + u8 dpcd[16]; + + struct mutex mutex; + struct { + atomic_t done; + bool mst; + } lt; +}; + +int nvkm_dp_new(struct nvkm_disp *, int index, struct dcb_output *, + struct nvkm_outp **); + +/* DPCD Receiver Capabilities */ +#define DPCD_RC00_DPCD_REV 0x00000 +#define DPCD_RC01_MAX_LINK_RATE 0x00001 +#define DPCD_RC02 0x00002 +#define DPCD_RC02_ENHANCED_FRAME_CAP 0x80 +#define DPCD_RC02_TPS3_SUPPORTED 0x40 +#define DPCD_RC02_MAX_LANE_COUNT 0x1f +#define DPCD_RC03 0x00003 +#define DPCD_RC03_MAX_DOWNSPREAD 0x01 +#define DPCD_RC0E_AUX_RD_INTERVAL 0x0000e + +/* DPCD Link Configuration */ +#define DPCD_LC00_LINK_BW_SET 0x00100 +#define DPCD_LC01 0x00101 +#define DPCD_LC01_ENHANCED_FRAME_EN 0x80 +#define DPCD_LC01_LANE_COUNT_SET 0x1f +#define DPCD_LC02 0x00102 +#define DPCD_LC02_TRAINING_PATTERN_SET 0x03 +#define DPCD_LC03(l) ((l) + 0x00103) +#define DPCD_LC03_MAX_PRE_EMPHASIS_REACHED 0x20 +#define DPCD_LC03_PRE_EMPHASIS_SET 0x18 +#define DPCD_LC03_MAX_SWING_REACHED 0x04 +#define DPCD_LC03_VOLTAGE_SWING_SET 0x03 +#define DPCD_LC0F 0x0010f +#define DPCD_LC0F_LANE1_MAX_POST_CURSOR2_REACHED 0x40 +#define DPCD_LC0F_LANE1_POST_CURSOR2_SET 0x30 +#define DPCD_LC0F_LANE0_MAX_POST_CURSOR2_REACHED 0x04 +#define DPCD_LC0F_LANE0_POST_CURSOR2_SET 0x03 +#define DPCD_LC10 0x00110 +#define DPCD_LC10_LANE3_MAX_POST_CURSOR2_REACHED 0x40 +#define DPCD_LC10_LANE3_POST_CURSOR2_SET 0x30 +#define DPCD_LC10_LANE2_MAX_POST_CURSOR2_REACHED 0x04 +#define DPCD_LC10_LANE2_POST_CURSOR2_SET 0x03 + +/* DPCD Link/Sink Status */ +#define DPCD_LS02 0x00202 +#define DPCD_LS02_LANE1_SYMBOL_LOCKED 0x40 +#define DPCD_LS02_LANE1_CHANNEL_EQ_DONE 0x20 +#define DPCD_LS02_LANE1_CR_DONE 0x10 +#define DPCD_LS02_LANE0_SYMBOL_LOCKED 0x04 +#define DPCD_LS02_LANE0_CHANNEL_EQ_DONE 0x02 +#define DPCD_LS02_LANE0_CR_DONE 0x01 +#define DPCD_LS03 0x00203 +#define DPCD_LS03_LANE3_SYMBOL_LOCKED 0x40 +#define DPCD_LS03_LANE3_CHANNEL_EQ_DONE 0x20 +#define DPCD_LS03_LANE3_CR_DONE 0x10 +#define DPCD_LS03_LANE2_SYMBOL_LOCKED 0x04 +#define DPCD_LS03_LANE2_CHANNEL_EQ_DONE 0x02 +#define DPCD_LS03_LANE2_CR_DONE 0x01 +#define DPCD_LS04 0x00204 +#define DPCD_LS04_LINK_STATUS_UPDATED 0x80 +#define DPCD_LS04_DOWNSTREAM_PORT_STATUS_CHANGED 0x40 +#define DPCD_LS04_INTERLANE_ALIGN_DONE 0x01 +#define DPCD_LS06 0x00206 +#define DPCD_LS06_LANE1_PRE_EMPHASIS 0xc0 +#define DPCD_LS06_LANE1_VOLTAGE_SWING 0x30 +#define DPCD_LS06_LANE0_PRE_EMPHASIS 0x0c +#define DPCD_LS06_LANE0_VOLTAGE_SWING 0x03 +#define DPCD_LS07 0x00207 +#define DPCD_LS07_LANE3_PRE_EMPHASIS 0xc0 +#define DPCD_LS07_LANE3_VOLTAGE_SWING 0x30 +#define DPCD_LS07_LANE2_PRE_EMPHASIS 0x0c +#define DPCD_LS07_LANE2_VOLTAGE_SWING 0x03 +#define DPCD_LS0C 0x0020c +#define DPCD_LS0C_LANE3_POST_CURSOR2 0xc0 +#define DPCD_LS0C_LANE2_POST_CURSOR2 0x30 +#define DPCD_LS0C_LANE1_POST_CURSOR2 0x0c +#define DPCD_LS0C_LANE0_POST_CURSOR2 0x03 + +/* DPCD Sink Control */ +#define DPCD_SC00 0x00600 +#define DPCD_SC00_SET_POWER 0x03 +#define DPCD_SC00_SET_POWER_D0 0x01 +#define DPCD_SC00_SET_POWER_D3 0x03 +#endif |