diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_fdi_regs.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fdi_regs.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fdi_regs.h b/drivers/gpu/drm/i915/display/intel_fdi_regs.h new file mode 100644 index 000000000000..853b834c35a9 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_fdi_regs.h @@ -0,0 +1,151 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2023 Intel Corporation + */ + +#ifndef __INTEL_FDI_REGS_H__ +#define __INTEL_FDI_REGS_H__ + +#include "intel_display_reg_defs.h" + +#define FDI_PLL_BIOS_0 _MMIO(0x46000) +#define FDI_PLL_FB_CLOCK_MASK 0xff +#define FDI_PLL_BIOS_1 _MMIO(0x46004) +#define FDI_PLL_BIOS_2 _MMIO(0x46008) +#define DISPLAY_PORT_PLL_BIOS_0 _MMIO(0x4600c) +#define DISPLAY_PORT_PLL_BIOS_1 _MMIO(0x46010) +#define DISPLAY_PORT_PLL_BIOS_2 _MMIO(0x46014) + +#define FDI_PLL_FREQ_CTL _MMIO(0x46030) +#define FDI_PLL_FREQ_CHANGE_REQUEST (1 << 24) +#define FDI_PLL_FREQ_LOCK_LIMIT_MASK 0xfff00 +#define FDI_PLL_FREQ_DISABLE_COUNT_LIMIT_MASK 0xff + +#define _FDI_RXA_CHICKEN 0xc200c +#define _FDI_RXB_CHICKEN 0xc2010 +#define FDI_RX_PHASE_SYNC_POINTER_OVR (1 << 1) +#define FDI_RX_PHASE_SYNC_POINTER_EN (1 << 0) +#define FDI_RX_CHICKEN(pipe) _MMIO_PIPE(pipe, _FDI_RXA_CHICKEN, _FDI_RXB_CHICKEN) + +/* CPU: FDI_TX */ +#define _FDI_TXA_CTL 0x60100 +#define _FDI_TXB_CTL 0x61100 +#define FDI_TX_CTL(pipe) _MMIO_PIPE(pipe, _FDI_TXA_CTL, _FDI_TXB_CTL) +#define FDI_TX_DISABLE (0 << 31) +#define FDI_TX_ENABLE (1 << 31) +#define FDI_LINK_TRAIN_PATTERN_1 (0 << 28) +#define FDI_LINK_TRAIN_PATTERN_2 (1 << 28) +#define FDI_LINK_TRAIN_PATTERN_IDLE (2 << 28) +#define FDI_LINK_TRAIN_NONE (3 << 28) +#define FDI_LINK_TRAIN_VOLTAGE_0_4V (0 << 25) +#define FDI_LINK_TRAIN_VOLTAGE_0_6V (1 << 25) +#define FDI_LINK_TRAIN_VOLTAGE_0_8V (2 << 25) +#define FDI_LINK_TRAIN_VOLTAGE_1_2V (3 << 25) +#define FDI_LINK_TRAIN_PRE_EMPHASIS_NONE (0 << 22) +#define FDI_LINK_TRAIN_PRE_EMPHASIS_1_5X (1 << 22) +#define FDI_LINK_TRAIN_PRE_EMPHASIS_2X (2 << 22) +#define FDI_LINK_TRAIN_PRE_EMPHASIS_3X (3 << 22) +/* ILK always use 400mV 0dB for voltage swing and pre-emphasis level. + SNB has different settings. */ +/* SNB A-stepping */ +#define FDI_LINK_TRAIN_400MV_0DB_SNB_A (0x38 << 22) +#define FDI_LINK_TRAIN_400MV_6DB_SNB_A (0x02 << 22) +#define FDI_LINK_TRAIN_600MV_3_5DB_SNB_A (0x01 << 22) +#define FDI_LINK_TRAIN_800MV_0DB_SNB_A (0x0 << 22) +/* SNB B-stepping */ +#define FDI_LINK_TRAIN_400MV_0DB_SNB_B (0x0 << 22) +#define FDI_LINK_TRAIN_400MV_6DB_SNB_B (0x3a << 22) +#define FDI_LINK_TRAIN_600MV_3_5DB_SNB_B (0x39 << 22) +#define FDI_LINK_TRAIN_800MV_0DB_SNB_B (0x38 << 22) +#define FDI_LINK_TRAIN_VOL_EMP_MASK (0x3f << 22) +#define FDI_DP_PORT_WIDTH_SHIFT 19 +#define FDI_DP_PORT_WIDTH_MASK (7 << FDI_DP_PORT_WIDTH_SHIFT) +#define FDI_DP_PORT_WIDTH(width) (((width) - 1) << FDI_DP_PORT_WIDTH_SHIFT) +#define FDI_TX_ENHANCE_FRAME_ENABLE (1 << 18) +/* Ironlake: hardwired to 1 */ +#define FDI_TX_PLL_ENABLE (1 << 14) + +/* Ivybridge has different bits for lolz */ +#define FDI_LINK_TRAIN_PATTERN_1_IVB (0 << 8) +#define FDI_LINK_TRAIN_PATTERN_2_IVB (1 << 8) +#define FDI_LINK_TRAIN_PATTERN_IDLE_IVB (2 << 8) +#define FDI_LINK_TRAIN_NONE_IVB (3 << 8) + +/* both Tx and Rx */ +#define FDI_COMPOSITE_SYNC (1 << 11) +#define FDI_LINK_TRAIN_AUTO (1 << 10) +#define FDI_SCRAMBLING_ENABLE (0 << 7) +#define FDI_SCRAMBLING_DISABLE (1 << 7) + +/* FDI_RX, FDI_X is hard-wired to Transcoder_X */ +#define _FDI_RXA_CTL 0xf000c +#define _FDI_RXB_CTL 0xf100c +#define FDI_RX_CTL(pipe) _MMIO_PIPE(pipe, _FDI_RXA_CTL, _FDI_RXB_CTL) +#define FDI_RX_ENABLE (1 << 31) +/* train, dp width same as FDI_TX */ +#define FDI_FS_ERRC_ENABLE (1 << 27) +#define FDI_FE_ERRC_ENABLE (1 << 26) +#define FDI_RX_POLARITY_REVERSED_LPT (1 << 16) +#define FDI_8BPC (0 << 16) +#define FDI_10BPC (1 << 16) +#define FDI_6BPC (2 << 16) +#define FDI_12BPC (3 << 16) +#define FDI_RX_LINK_REVERSAL_OVERRIDE (1 << 15) +#define FDI_DMI_LINK_REVERSE_MASK (1 << 14) +#define FDI_RX_PLL_ENABLE (1 << 13) +#define FDI_FS_ERR_CORRECT_ENABLE (1 << 11) +#define FDI_FE_ERR_CORRECT_ENABLE (1 << 10) +#define FDI_FS_ERR_REPORT_ENABLE (1 << 9) +#define FDI_FE_ERR_REPORT_ENABLE (1 << 8) +#define FDI_RX_ENHANCE_FRAME_ENABLE (1 << 6) +#define FDI_PCDCLK (1 << 4) +/* CPT */ +#define FDI_AUTO_TRAINING (1 << 10) +#define FDI_LINK_TRAIN_PATTERN_1_CPT (0 << 8) +#define FDI_LINK_TRAIN_PATTERN_2_CPT (1 << 8) +#define FDI_LINK_TRAIN_PATTERN_IDLE_CPT (2 << 8) +#define FDI_LINK_TRAIN_NORMAL_CPT (3 << 8) +#define FDI_LINK_TRAIN_PATTERN_MASK_CPT (3 << 8) + +#define _FDI_RXA_MISC 0xf0010 +#define _FDI_RXB_MISC 0xf1010 +#define FDI_RX_PWRDN_LANE1_MASK (3 << 26) +#define FDI_RX_PWRDN_LANE1_VAL(x) ((x) << 26) +#define FDI_RX_PWRDN_LANE0_MASK (3 << 24) +#define FDI_RX_PWRDN_LANE0_VAL(x) ((x) << 24) +#define FDI_RX_TP1_TO_TP2_48 (2 << 20) +#define FDI_RX_TP1_TO_TP2_64 (3 << 20) +#define FDI_RX_FDI_DELAY_90 (0x90 << 0) +#define FDI_RX_MISC(pipe) _MMIO_PIPE(pipe, _FDI_RXA_MISC, _FDI_RXB_MISC) + +#define _FDI_RXA_TUSIZE1 0xf0030 +#define _FDI_RXA_TUSIZE2 0xf0038 +#define _FDI_RXB_TUSIZE1 0xf1030 +#define _FDI_RXB_TUSIZE2 0xf1038 +#define FDI_RX_TUSIZE1(pipe) _MMIO_PIPE(pipe, _FDI_RXA_TUSIZE1, _FDI_RXB_TUSIZE1) +#define FDI_RX_TUSIZE2(pipe) _MMIO_PIPE(pipe, _FDI_RXA_TUSIZE2, _FDI_RXB_TUSIZE2) + +/* FDI_RX interrupt register format */ +#define FDI_RX_INTER_LANE_ALIGN (1 << 10) +#define FDI_RX_SYMBOL_LOCK (1 << 9) /* train 2 */ +#define FDI_RX_BIT_LOCK (1 << 8) /* train 1 */ +#define FDI_RX_TRAIN_PATTERN_2_FAIL (1 << 7) +#define FDI_RX_FS_CODE_ERR (1 << 6) +#define FDI_RX_FE_CODE_ERR (1 << 5) +#define FDI_RX_SYMBOL_ERR_RATE_ABOVE (1 << 4) +#define FDI_RX_HDCP_LINK_FAIL (1 << 3) +#define FDI_RX_PIXEL_FIFO_OVERFLOW (1 << 2) +#define FDI_RX_CROSS_CLOCK_OVERFLOW (1 << 1) +#define FDI_RX_SYMBOL_QUEUE_OVERFLOW (1 << 0) + +#define _FDI_RXA_IIR 0xf0014 +#define _FDI_RXA_IMR 0xf0018 +#define _FDI_RXB_IIR 0xf1014 +#define _FDI_RXB_IMR 0xf1018 +#define FDI_RX_IIR(pipe) _MMIO_PIPE(pipe, _FDI_RXA_IIR, _FDI_RXB_IIR) +#define FDI_RX_IMR(pipe) _MMIO_PIPE(pipe, _FDI_RXA_IMR, _FDI_RXB_IMR) + +#define FDI_PLL_CTL_1 _MMIO(0xfe000) +#define FDI_PLL_CTL_2 _MMIO(0xfe004) + +#endif /* __INTEL_FDI_REGS_H__ */ |