| 1 | #ifndef __NVKM_DISP_DPORT_H__ |
| 2 | #define __NVKM_DISP_DPORT_H__ |
| 3 | |
| 4 | /* DPCD Receiver Capabilities */ |
| 5 | #define DPCD_RC00 0x00000 |
| 6 | #define DPCD_RC00_DPCD_REV 0xff |
| 7 | #define DPCD_RC01 0x00001 |
| 8 | #define DPCD_RC01_MAX_LINK_RATE 0xff |
| 9 | #define DPCD_RC02 0x00002 |
| 10 | #define DPCD_RC02_ENHANCED_FRAME_CAP 0x80 |
| 11 | #define DPCD_RC02_MAX_LANE_COUNT 0x1f |
| 12 | #define DPCD_RC03 0x00003 |
| 13 | #define DPCD_RC03_MAX_DOWNSPREAD 0x01 |
| 14 | |
| 15 | /* DPCD Link Configuration */ |
| 16 | #define DPCD_LC00 0x00100 |
| 17 | #define DPCD_LC00_LINK_BW_SET 0xff |
| 18 | #define DPCD_LC01 0x00101 |
| 19 | #define DPCD_LC01_ENHANCED_FRAME_EN 0x80 |
| 20 | #define DPCD_LC01_LANE_COUNT_SET 0x1f |
| 21 | #define DPCD_LC02 0x00102 |
| 22 | #define DPCD_LC02_TRAINING_PATTERN_SET 0x03 |
| 23 | #define DPCD_LC03(l) ((l) + 0x00103) |
| 24 | #define DPCD_LC03_MAX_PRE_EMPHASIS_REACHED 0x20 |
| 25 | #define DPCD_LC03_PRE_EMPHASIS_SET 0x18 |
| 26 | #define DPCD_LC03_MAX_SWING_REACHED 0x04 |
| 27 | #define DPCD_LC03_VOLTAGE_SWING_SET 0x03 |
| 28 | |
| 29 | /* DPCD Link/Sink Status */ |
| 30 | #define DPCD_LS02 0x00202 |
| 31 | #define DPCD_LS02_LANE1_SYMBOL_LOCKED 0x40 |
| 32 | #define DPCD_LS02_LANE1_CHANNEL_EQ_DONE 0x20 |
| 33 | #define DPCD_LS02_LANE1_CR_DONE 0x10 |
| 34 | #define DPCD_LS02_LANE0_SYMBOL_LOCKED 0x04 |
| 35 | #define DPCD_LS02_LANE0_CHANNEL_EQ_DONE 0x02 |
| 36 | #define DPCD_LS02_LANE0_CR_DONE 0x01 |
| 37 | #define DPCD_LS03 0x00203 |
| 38 | #define DPCD_LS03_LANE3_SYMBOL_LOCKED 0x40 |
| 39 | #define DPCD_LS03_LANE3_CHANNEL_EQ_DONE 0x20 |
| 40 | #define DPCD_LS03_LANE3_CR_DONE 0x10 |
| 41 | #define DPCD_LS03_LANE2_SYMBOL_LOCKED 0x04 |
| 42 | #define DPCD_LS03_LANE2_CHANNEL_EQ_DONE 0x02 |
| 43 | #define DPCD_LS03_LANE2_CR_DONE 0x01 |
| 44 | #define DPCD_LS04 0x00204 |
| 45 | #define DPCD_LS04_LINK_STATUS_UPDATED 0x80 |
| 46 | #define DPCD_LS04_DOWNSTREAM_PORT_STATUS_CHANGED 0x40 |
| 47 | #define DPCD_LS04_INTERLANE_ALIGN_DONE 0x01 |
| 48 | #define DPCD_LS06 0x00206 |
| 49 | #define DPCD_LS06_LANE1_PRE_EMPHASIS 0xc0 |
| 50 | #define DPCD_LS06_LANE1_VOLTAGE_SWING 0x30 |
| 51 | #define DPCD_LS06_LANE0_PRE_EMPHASIS 0x0c |
| 52 | #define DPCD_LS06_LANE0_VOLTAGE_SWING 0x03 |
| 53 | #define DPCD_LS07 0x00207 |
| 54 | #define DPCD_LS07_LANE3_PRE_EMPHASIS 0xc0 |
| 55 | #define DPCD_LS07_LANE3_VOLTAGE_SWING 0x30 |
| 56 | #define DPCD_LS07_LANE2_PRE_EMPHASIS 0x0c |
| 57 | #define DPCD_LS07_LANE2_VOLTAGE_SWING 0x03 |
| 58 | |
| 59 | struct nouveau_disp; |
| 60 | struct dcb_output; |
| 61 | |
| 62 | struct nouveau_dp_func { |
| 63 | int (*pattern)(struct nouveau_disp *, struct dcb_output *, |
| 64 | int head, int pattern); |
| 65 | int (*lnk_ctl)(struct nouveau_disp *, struct dcb_output *, int head, |
| 66 | int link_nr, int link_bw, bool enh_frame); |
| 67 | int (*drv_ctl)(struct nouveau_disp *, struct dcb_output *, int head, |
| 68 | int lane, int swing, int preem); |
| 69 | }; |
| 70 | |
| 71 | extern const struct nouveau_dp_func nv94_sor_dp_func; |
| 72 | extern const struct nouveau_dp_func nvd0_sor_dp_func; |
| 73 | extern const struct nouveau_dp_func nv50_pior_dp_func; |
| 74 | |
| 75 | int nouveau_dp_train(struct nouveau_disp *, const struct nouveau_dp_func *, |
| 76 | struct dcb_output *, int, u32); |
| 77 | |
| 78 | #endif |
| 79 | |