| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* Renesas Ethernet AVB device driver |
| * |
| * Copyright (C) 2014-2015 Renesas Electronics Corporation |
| * Copyright (C) 2015 Renesas Solutions Corp. |
| * Copyright (C) 2015-2016 Cogent Embedded, Inc. <source@cogentembedded.com> |
| * |
| * Based on the SuperH Ethernet driver |
| */ |
| |
| #ifndef __RAVB_H__ |
| #define __RAVB_H__ |
| |
| #include <linux/interrupt.h> |
| #include <linux/io.h> |
| #include <linux/kernel.h> |
| #include <linux/mdio-bitbang.h> |
| #include <linux/netdevice.h> |
| #include <linux/phy.h> |
| #include <linux/platform_device.h> |
| #include <linux/ptp_clock_kernel.h> |
| |
| #define BE_TX_RING_SIZE 64 /* TX ring size for Best Effort */ |
| #define BE_RX_RING_SIZE 1024 /* RX ring size for Best Effort */ |
| #define NC_TX_RING_SIZE 64 /* TX ring size for Network Control */ |
| #define NC_RX_RING_SIZE 64 /* RX ring size for Network Control */ |
| #define BE_TX_RING_MIN 64 |
| #define BE_RX_RING_MIN 64 |
| #define BE_TX_RING_MAX 1024 |
| #define BE_RX_RING_MAX 2048 |
| |
| #define PKT_BUF_SZ 1538 |
| |
| /* Driver's parameters */ |
| #define RAVB_ALIGN 128 |
| |
| /* Hardware time stamp */ |
| #define RAVB_TXTSTAMP_VALID 0x00000001 /* TX timestamp valid */ |
| #define RAVB_TXTSTAMP_ENABLED 0x00000010 /* Enable TX timestamping */ |
| |
| #define RAVB_RXTSTAMP_VALID 0x00000001 /* RX timestamp valid */ |
| #define RAVB_RXTSTAMP_TYPE 0x00000006 /* RX type mask */ |
| #define RAVB_RXTSTAMP_TYPE_V2_L2_EVENT 0x00000002 |
| #define RAVB_RXTSTAMP_TYPE_ALL 0x00000006 |
| #define RAVB_RXTSTAMP_ENABLED 0x00000010 /* Enable RX timestamping */ |
| |
| enum ravb_reg { |
| /* AVB-DMAC registers */ |
| CCC = 0x0000, |
| DBAT = 0x0004, |
| DLR = 0x0008, |
| CSR = 0x000C, |
| CDAR0 = 0x0010, |
| CDAR1 = 0x0014, |
| CDAR2 = 0x0018, |
| CDAR3 = 0x001C, |
| CDAR4 = 0x0020, |
| CDAR5 = 0x0024, |
| CDAR6 = 0x0028, |
| CDAR7 = 0x002C, |
| CDAR8 = 0x0030, |
| CDAR9 = 0x0034, |
| CDAR10 = 0x0038, |
| CDAR11 = 0x003C, |
| CDAR12 = 0x0040, |
| CDAR13 = 0x0044, |
| CDAR14 = 0x0048, |
| CDAR15 = 0x004C, |
| CDAR16 = 0x0050, |
| CDAR17 = 0x0054, |
| CDAR18 = 0x0058, |
| CDAR19 = 0x005C, |
| CDAR20 = 0x0060, |
| CDAR21 = 0x0064, |
| ESR = 0x0088, |
| APSR = 0x008C, /* R-Car Gen3 only */ |
| RCR = 0x0090, |
| RQC0 = 0x0094, |
| RQC1 = 0x0098, |
| RQC2 = 0x009C, |
| RQC3 = 0x00A0, |
| RQC4 = 0x00A4, |
| RPC = 0x00B0, |
| UFCW = 0x00BC, |
| UFCS = 0x00C0, |
| UFCV0 = 0x00C4, |
| UFCV1 = 0x00C8, |
| UFCV2 = 0x00CC, |
| UFCV3 = 0x00D0, |
| UFCV4 = 0x00D4, |
| UFCD0 = 0x00E0, |
| UFCD1 = 0x00E4, |
| UFCD2 = 0x00E8, |
| UFCD3 = 0x00EC, |
| UFCD4 = 0x00F0, |
| SFO = 0x00FC, |
| SFP0 = 0x0100, |
| SFP1 = 0x0104, |
| SFP2 = 0x0108, |
| SFP3 = 0x010C, |
| SFP4 = 0x0110, |
| SFP5 = 0x0114, |
| SFP6 = 0x0118, |
| SFP7 = 0x011C, |
| SFP8 = 0x0120, |
| SFP9 = 0x0124, |
| SFP10 = 0x0128, |
| SFP11 = 0x012C, |
| SFP12 = 0x0130, |
| SFP13 = 0x0134, |
| SFP14 = 0x0138, |
| SFP15 = 0x013C, |
| SFP16 = 0x0140, |
| SFP17 = 0x0144, |
| SFP18 = 0x0148, |
| SFP19 = 0x014C, |
| SFP20 = 0x0150, |
| SFP21 = 0x0154, |
| SFP22 = 0x0158, |
| SFP23 = 0x015C, |
| SFP24 = 0x0160, |
| SFP25 = 0x0164, |
| SFP26 = 0x0168, |
| SFP27 = 0x016C, |
| SFP28 = 0x0170, |
| SFP29 = 0x0174, |
| SFP30 = 0x0178, |
| SFP31 = 0x017C, |
| SFM0 = 0x01C0, |
| SFM1 = 0x01C4, |
| TGC = 0x0300, |
| TCCR = 0x0304, |
| TSR = 0x0308, |
| TFA0 = 0x0310, |
| TFA1 = 0x0314, |
| TFA2 = 0x0318, |
| CIVR0 = 0x0320, |
| CIVR1 = 0x0324, |
| CDVR0 = 0x0328, |
| CDVR1 = 0x032C, |
| CUL0 = 0x0330, |
| CUL1 = 0x0334, |
| CLL0 = 0x0338, |
| CLL1 = 0x033C, |
| DIC = 0x0350, |
| DIS = 0x0354, |
| EIC = 0x0358, |
| EIS = 0x035C, |
| RIC0 = 0x0360, |
| RIS0 = 0x0364, |
| RIC1 = 0x0368, |
| RIS1 = 0x036C, |
| RIC2 = 0x0370, |
| RIS2 = 0x0374, |
| TIC = 0x0378, |
| TIS = 0x037C, |
| ISS = 0x0380, |
| CIE = 0x0384, /* R-Car Gen3 only */ |
| GCCR = 0x0390, |
| GMTT = 0x0394, |
| GPTC = 0x0398, |
| GTI = 0x039C, |
| GTO0 = 0x03A0, |
| GTO1 = 0x03A4, |
| GTO2 = 0x03A8, |
| GIC = 0x03AC, |
| GIS = 0x03B0, |
| GCPT = 0x03B4, /* Documented for R-Car Gen3 only */ |
| GCT0 = 0x03B8, |
| GCT1 = 0x03BC, |
| GCT2 = 0x03C0, |
| GIE = 0x03CC, /* R-Car Gen3 only */ |
| GID = 0x03D0, /* R-Car Gen3 only */ |
| DIL = 0x0440, /* R-Car Gen3 only */ |
| RIE0 = 0x0460, /* R-Car Gen3 only */ |
| RID0 = 0x0464, /* R-Car Gen3 only */ |
| RIE2 = 0x0470, /* R-Car Gen3 only */ |
| RID2 = 0x0474, /* R-Car Gen3 only */ |
| TIE = 0x0478, /* R-Car Gen3 only */ |
| TID = 0x047c, /* R-Car Gen3 only */ |
| |
| /* E-MAC registers */ |
| ECMR = 0x0500, |
| RFLR = 0x0508, |
| ECSR = 0x0510, |
| ECSIPR = 0x0518, |
| PIR = 0x0520, |
| PSR = 0x0528, |
| PIPR = 0x052c, |
| MPR = 0x0558, |
| PFTCR = 0x055c, |
| PFRCR = 0x0560, |
| GECMR = 0x05b0, |
| MAHR = 0x05c0, |
| MALR = 0x05c8, |
| TROCR = 0x0700, /* R-Car Gen3 only */ |
| CEFCR = 0x0740, |
| FRECR = 0x0748, |
| TSFRCR = 0x0750, |
| TLFRCR = 0x0758, |
| RFCR = 0x0760, |
| MAFCR = 0x0778, |
| }; |
| |
| |
| /* Register bits of the Ethernet AVB */ |
| /* CCC */ |
| enum CCC_BIT { |
| CCC_OPC = 0x00000003, |
| CCC_OPC_RESET = 0x00000000, |
| CCC_OPC_CONFIG = 0x00000001, |
| CCC_OPC_OPERATION = 0x00000002, |
| CCC_GAC = 0x00000080, |
| CCC_DTSR = 0x00000100, |
| CCC_CSEL = 0x00030000, |
| CCC_CSEL_HPB = 0x00010000, |
| CCC_CSEL_ETH_TX = 0x00020000, |
| CCC_CSEL_GMII_REF = 0x00030000, |
| CCC_LBME = 0x01000000, |
| }; |
| |
| /* CSR */ |
| enum CSR_BIT { |
| CSR_OPS = 0x0000000F, |
| CSR_OPS_RESET = 0x00000001, |
| CSR_OPS_CONFIG = 0x00000002, |
| CSR_OPS_OPERATION = 0x00000004, |
| CSR_OPS_STANDBY = 0x00000008, /* Documented for R-Car Gen3 only */ |
| CSR_DTS = 0x00000100, |
| CSR_TPO0 = 0x00010000, |
| CSR_TPO1 = 0x00020000, |
| CSR_TPO2 = 0x00040000, |
| CSR_TPO3 = 0x00080000, |
| CSR_RPO = 0x00100000, |
| }; |
| |
| /* ESR */ |
| enum ESR_BIT { |
| ESR_EQN = 0x0000001F, |
| ESR_ET = 0x00000F00, |
| ESR_EIL = 0x00001000, |
| }; |
| |
| /* APSR (R-Car Gen3 only) */ |
| enum APSR_BIT { |
| APSR_MEMS = 0x00000002, /* Undocumented */ |
| APSR_CMSW = 0x00000010, |
| APSR_RDM = 0x00002000, |
| APSR_TDM = 0x00004000, |
| }; |
| |
| /* RCR */ |
| enum RCR_BIT { |
| RCR_EFFS = 0x00000001, |
| RCR_ENCF = 0x00000002, |
| RCR_ESF = 0x0000000C, |
| RCR_ETS0 = 0x00000010, |
| RCR_ETS2 = 0x00000020, |
| RCR_RFCL = 0x1FFF0000, |
| }; |
| |
| /* RQC0/1/2/3/4 */ |
| enum RQC_BIT { |
| RQC_RSM0 = 0x00000003, |
| RQC_UFCC0 = 0x00000030, |
| RQC_RSM1 = 0x00000300, |
| RQC_UFCC1 = 0x00003000, |
| RQC_RSM2 = 0x00030000, |
| RQC_UFCC2 = 0x00300000, |
| RQC_RSM3 = 0x03000000, |
| RQC_UFCC3 = 0x30000000, |
| }; |
| |
| /* RPC */ |
| enum RPC_BIT { |
| RPC_PCNT = 0x00000700, |
| RPC_DCNT = 0x00FF0000, |
| }; |
| |
| /* UFCW */ |
| enum UFCW_BIT { |
| UFCW_WL0 = 0x0000003F, |
| UFCW_WL1 = 0x00003F00, |
| UFCW_WL2 = 0x003F0000, |
| UFCW_WL3 = 0x3F000000, |
| }; |
| |
| /* UFCS */ |
| enum UFCS_BIT { |
| UFCS_SL0 = 0x0000003F, |
| UFCS_SL1 = 0x00003F00, |
| UFCS_SL2 = 0x003F0000, |
| UFCS_SL3 = 0x3F000000, |
| }; |
| |
| /* UFCV0/1/2/3/4 */ |
| enum UFCV_BIT { |
| UFCV_CV0 = 0x0000003F, |
| UFCV_CV1 = 0x00003F00, |
| UFCV_CV2 = 0x003F0000, |
| UFCV_CV3 = 0x3F000000, |
| }; |
| |
| /* UFCD0/1/2/3/4 */ |
| enum UFCD_BIT { |
| UFCD_DV0 = 0x0000003F, |
| UFCD_DV1 = 0x00003F00, |
| UFCD_DV2 = 0x003F0000, |
| UFCD_DV3 = 0x3F000000, |
| }; |
| |
| /* SFO */ |
| enum SFO_BIT { |
| SFO_FBP = 0x0000003F, |
| }; |
| |
| /* RTC */ |
| enum RTC_BIT { |
| RTC_MFL0 = 0x00000FFF, |
| RTC_MFL1 = 0x0FFF0000, |
| }; |
| |
| /* TGC */ |
| enum TGC_BIT { |
| TGC_TSM0 = 0x00000001, |
| TGC_TSM1 = 0x00000002, |
| TGC_TSM2 = 0x00000004, |
| TGC_TSM3 = 0x00000008, |
| TGC_TQP = 0x00000030, |
| TGC_TQP_NONAVB = 0x00000000, |
| TGC_TQP_AVBMODE1 = 0x00000010, |
| TGC_TQP_AVBMODE2 = 0x00000030, |
| TGC_TBD0 = 0x00000300, |
| TGC_TBD1 = 0x00003000, |
| TGC_TBD2 = 0x00030000, |
| TGC_TBD3 = 0x00300000, |
| }; |
| |
| /* TCCR */ |
| enum TCCR_BIT { |
| TCCR_TSRQ0 = 0x00000001, |
| TCCR_TSRQ1 = 0x00000002, |
| TCCR_TSRQ2 = 0x00000004, |
| TCCR_TSRQ3 = 0x00000008, |
| TCCR_TFEN = 0x00000100, |
| TCCR_TFR = 0x00000200, |
| }; |
| |
| /* TSR */ |
| enum TSR_BIT { |
| TSR_CCS0 = 0x00000003, |
| TSR_CCS1 = 0x0000000C, |
| TSR_TFFL = 0x00000700, |
| }; |
| |
| /* TFA2 */ |
| enum TFA2_BIT { |
| TFA2_TSV = 0x0000FFFF, |
| TFA2_TST = 0x03FF0000, |
| }; |
| |
| /* DIC */ |
| enum DIC_BIT { |
| DIC_DPE1 = 0x00000002, |
| DIC_DPE2 = 0x00000004, |
| DIC_DPE3 = 0x00000008, |
| DIC_DPE4 = 0x00000010, |
| DIC_DPE5 = 0x00000020, |
| DIC_DPE6 = 0x00000040, |
| DIC_DPE7 = 0x00000080, |
| DIC_DPE8 = 0x00000100, |
| DIC_DPE9 = 0x00000200, |
| DIC_DPE10 = 0x00000400, |
| DIC_DPE11 = 0x00000800, |
| DIC_DPE12 = 0x00001000, |
| DIC_DPE13 = 0x00002000, |
| DIC_DPE14 = 0x00004000, |
| DIC_DPE15 = 0x00008000, |
| }; |
| |
| /* DIS */ |
| enum DIS_BIT { |
| DIS_DPF1 = 0x00000002, |
| DIS_DPF2 = 0x00000004, |
| DIS_DPF3 = 0x00000008, |
| DIS_DPF4 = 0x00000010, |
| DIS_DPF5 = 0x00000020, |
| DIS_DPF6 = 0x00000040, |
| DIS_DPF7 = 0x00000080, |
| DIS_DPF8 = 0x00000100, |
| DIS_DPF9 = 0x00000200, |
| DIS_DPF10 = 0x00000400, |
| DIS_DPF11 = 0x00000800, |
| DIS_DPF12 = 0x00001000, |
| DIS_DPF13 = 0x00002000, |
| DIS_DPF14 = 0x00004000, |
| DIS_DPF15 = 0x00008000, |
| }; |
| |
| /* EIC */ |
| enum EIC_BIT { |
| EIC_MREE = 0x00000001, |
| EIC_MTEE = 0x00000002, |
| EIC_QEE = 0x00000004, |
| EIC_SEE = 0x00000008, |
| EIC_CLLE0 = 0x00000010, |
| EIC_CLLE1 = 0x00000020, |
| EIC_CULE0 = 0x00000040, |
| EIC_CULE1 = 0x00000080, |
| EIC_TFFE = 0x00000100, |
| }; |
| |
| /* EIS */ |
| enum EIS_BIT { |
| EIS_MREF = 0x00000001, |
| EIS_MTEF = 0x00000002, |
| EIS_QEF = 0x00000004, |
| EIS_SEF = 0x00000008, |
| EIS_CLLF0 = 0x00000010, |
| EIS_CLLF1 = 0x00000020, |
| EIS_CULF0 = 0x00000040, |
| EIS_CULF1 = 0x00000080, |
| EIS_TFFF = 0x00000100, |
| EIS_QFS = 0x00010000, |
| EIS_RESERVED = (GENMASK(31, 17) | GENMASK(15, 11)), |
| }; |
| |
| /* RIC0 */ |
| enum RIC0_BIT { |
| RIC0_FRE0 = 0x00000001, |
| RIC0_FRE1 = 0x00000002, |
| RIC0_FRE2 = 0x00000004, |
| RIC0_FRE3 = 0x00000008, |
| RIC0_FRE4 = 0x00000010, |
| RIC0_FRE5 = 0x00000020, |
| RIC0_FRE6 = 0x00000040, |
| RIC0_FRE7 = 0x00000080, |
| RIC0_FRE8 = 0x00000100, |
| RIC0_FRE9 = 0x00000200, |
| RIC0_FRE10 = 0x00000400, |
| RIC0_FRE11 = 0x00000800, |
| RIC0_FRE12 = 0x00001000, |
| RIC0_FRE13 = 0x00002000, |
| RIC0_FRE14 = 0x00004000, |
| RIC0_FRE15 = 0x00008000, |
| RIC0_FRE16 = 0x00010000, |
| RIC0_FRE17 = 0x00020000, |
| }; |
| |
| /* RIC0 */ |
| enum RIS0_BIT { |
| RIS0_FRF0 = 0x00000001, |
| RIS0_FRF1 = 0x00000002, |
| RIS0_FRF2 = 0x00000004, |
| RIS0_FRF3 = 0x00000008, |
| RIS0_FRF4 = 0x00000010, |
| RIS0_FRF5 = 0x00000020, |
| RIS0_FRF6 = 0x00000040, |
| RIS0_FRF7 = 0x00000080, |
| RIS0_FRF8 = 0x00000100, |
| RIS0_FRF9 = 0x00000200, |
| RIS0_FRF10 = 0x00000400, |
| RIS0_FRF11 = 0x00000800, |
| RIS0_FRF12 = 0x00001000, |
| RIS0_FRF13 = 0x00002000, |
| RIS0_FRF14 = 0x00004000, |
| RIS0_FRF15 = 0x00008000, |
| RIS0_FRF16 = 0x00010000, |
| RIS0_FRF17 = 0x00020000, |
| RIS0_RESERVED = GENMASK(31, 18), |
| }; |
| |
| /* RIC1 */ |
| enum RIC1_BIT { |
| RIC1_RFWE = 0x80000000, |
| }; |
| |
| /* RIS1 */ |
| enum RIS1_BIT { |
| RIS1_RFWF = 0x80000000, |
| }; |
| |
| /* RIC2 */ |
| enum RIC2_BIT { |
| RIC2_QFE0 = 0x00000001, |
| RIC2_QFE1 = 0x00000002, |
| RIC2_QFE2 = 0x00000004, |
| RIC2_QFE3 = 0x00000008, |
| RIC2_QFE4 = 0x00000010, |
| RIC2_QFE5 = 0x00000020, |
| RIC2_QFE6 = 0x00000040, |
| RIC2_QFE7 = 0x00000080, |
| RIC2_QFE8 = 0x00000100, |
| RIC2_QFE9 = 0x00000200, |
| RIC2_QFE10 = 0x00000400, |
| RIC2_QFE11 = 0x00000800, |
| RIC2_QFE12 = 0x00001000, |
| RIC2_QFE13 = 0x00002000, |
| RIC2_QFE14 = 0x00004000, |
| RIC2_QFE15 = 0x00008000, |
| RIC2_QFE16 = 0x00010000, |
| RIC2_QFE17 = 0x00020000, |
| RIC2_RFFE = 0x80000000, |
| }; |
| |
| /* RIS2 */ |
| enum RIS2_BIT { |
| RIS2_QFF0 = 0x00000001, |
| RIS2_QFF1 = 0x00000002, |
| RIS2_QFF2 = 0x00000004, |
| RIS2_QFF3 = 0x00000008, |
| RIS2_QFF4 = 0x00000010, |
| RIS2_QFF5 = 0x00000020, |
| RIS2_QFF6 = 0x00000040, |
| RIS2_QFF7 = 0x00000080, |
| RIS2_QFF8 = 0x00000100, |
| RIS2_QFF9 = 0x00000200, |
| RIS2_QFF10 = 0x00000400, |
| RIS2_QFF11 = 0x00000800, |
| RIS2_QFF12 = 0x00001000, |
| RIS2_QFF13 = 0x00002000, |
| RIS2_QFF14 = 0x00004000, |
| RIS2_QFF15 = 0x00008000, |
| RIS2_QFF16 = 0x00010000, |
| RIS2_QFF17 = 0x00020000, |
| RIS2_RFFF = 0x80000000, |
| RIS2_RESERVED = GENMASK(30, 18), |
| }; |
| |
| /* TIC */ |
| enum TIC_BIT { |
| TIC_FTE0 = 0x00000001, /* Documented for R-Car Gen3 only */ |
| TIC_FTE1 = 0x00000002, /* Documented for R-Car Gen3 only */ |
| TIC_TFUE = 0x00000100, |
| TIC_TFWE = 0x00000200, |
| }; |
| |
| /* TIS */ |
| enum TIS_BIT { |
| TIS_FTF0 = 0x00000001, /* Documented for R-Car Gen3 only */ |
| TIS_FTF1 = 0x00000002, /* Documented for R-Car Gen3 only */ |
| TIS_TFUF = 0x00000100, |
| TIS_TFWF = 0x00000200, |
| TIS_RESERVED = (GENMASK(31, 20) | GENMASK(15, 12) | GENMASK(7, 4)) |
| }; |
| |
| /* ISS */ |
| enum ISS_BIT { |
| ISS_FRS = 0x00000001, /* Documented for R-Car Gen3 only */ |
| ISS_FTS = 0x00000004, /* Documented for R-Car Gen3 only */ |
| ISS_ES = 0x00000040, |
| ISS_MS = 0x00000080, |
| ISS_TFUS = 0x00000100, |
| ISS_TFWS = 0x00000200, |
| ISS_RFWS = 0x00001000, |
| ISS_CGIS = 0x00002000, |
| ISS_DPS1 = 0x00020000, |
| ISS_DPS2 = 0x00040000, |
| ISS_DPS3 = 0x00080000, |
| ISS_DPS4 = 0x00100000, |
| ISS_DPS5 = 0x00200000, |
| ISS_DPS6 = 0x00400000, |
| ISS_DPS7 = 0x00800000, |
| ISS_DPS8 = 0x01000000, |
| ISS_DPS9 = 0x02000000, |
| ISS_DPS10 = 0x04000000, |
| ISS_DPS11 = 0x08000000, |
| ISS_DPS12 = 0x10000000, |
| ISS_DPS13 = 0x20000000, |
| ISS_DPS14 = 0x40000000, |
| ISS_DPS15 = 0x80000000, |
| }; |
| |
| /* CIE (R-Car Gen3 only) */ |
| enum CIE_BIT { |
| CIE_CRIE = 0x00000001, |
| CIE_CTIE = 0x00000100, |
| CIE_RQFM = 0x00010000, |
| CIE_CL0M = 0x00020000, |
| CIE_RFWL = 0x00040000, |
| CIE_RFFL = 0x00080000, |
| }; |
| |
| /* GCCR */ |
| enum GCCR_BIT { |
| GCCR_TCR = 0x00000003, |
| GCCR_TCR_NOREQ = 0x00000000, /* No request */ |
| GCCR_TCR_RESET = 0x00000001, /* gPTP/AVTP presentation timer reset */ |
| GCCR_TCR_CAPTURE = 0x00000003, /* Capture value set in GCCR.TCSS */ |
| GCCR_LTO = 0x00000004, |
| GCCR_LTI = 0x00000008, |
| GCCR_LPTC = 0x00000010, |
| GCCR_LMTT = 0x00000020, |
| GCCR_TCSS = 0x00000300, |
| GCCR_TCSS_GPTP = 0x00000000, /* gPTP timer value */ |
| GCCR_TCSS_ADJGPTP = 0x00000100, /* Adjusted gPTP timer value */ |
| GCCR_TCSS_AVTP = 0x00000200, /* AVTP presentation time value */ |
| }; |
| |
| /* GTI */ |
| enum GTI_BIT { |
| GTI_TIV = 0x0FFFFFFF, |
| }; |
| |
| #define GTI_TIV_MAX GTI_TIV |
| #define GTI_TIV_MIN 0x20 |
| |
| /* GIC */ |
| enum GIC_BIT { |
| GIC_PTCE = 0x00000001, /* Documented for R-Car Gen3 only */ |
| GIC_PTME = 0x00000004, |
| }; |
| |
| /* GIS */ |
| enum GIS_BIT { |
| GIS_PTCF = 0x00000001, /* Documented for R-Car Gen3 only */ |
| GIS_PTMF = 0x00000004, |
| GIS_RESERVED = GENMASK(15, 10), |
| }; |
| |
| /* GIE (R-Car Gen3 only) */ |
| enum GIE_BIT { |
| GIE_PTCS = 0x00000001, |
| GIE_PTOS = 0x00000002, |
| GIE_PTMS0 = 0x00000004, |
| GIE_PTMS1 = 0x00000008, |
| GIE_PTMS2 = 0x00000010, |
| GIE_PTMS3 = 0x00000020, |
| GIE_PTMS4 = 0x00000040, |
| GIE_PTMS5 = 0x00000080, |
| GIE_PTMS6 = 0x00000100, |
| GIE_PTMS7 = 0x00000200, |
| GIE_ATCS0 = 0x00010000, |
| GIE_ATCS1 = 0x00020000, |
| GIE_ATCS2 = 0x00040000, |
| GIE_ATCS3 = 0x00080000, |
| GIE_ATCS4 = 0x00100000, |
| GIE_ATCS5 = 0x00200000, |
| GIE_ATCS6 = 0x00400000, |
| GIE_ATCS7 = 0x00800000, |
| GIE_ATCS8 = 0x01000000, |
| GIE_ATCS9 = 0x02000000, |
| GIE_ATCS10 = 0x04000000, |
| GIE_ATCS11 = 0x08000000, |
| GIE_ATCS12 = 0x10000000, |
| GIE_ATCS13 = 0x20000000, |
| GIE_ATCS14 = 0x40000000, |
| GIE_ATCS15 = 0x80000000, |
| }; |
| |
| /* GID (R-Car Gen3 only) */ |
| enum GID_BIT { |
| GID_PTCD = 0x00000001, |
| GID_PTOD = 0x00000002, |
| GID_PTMD0 = 0x00000004, |
| GID_PTMD1 = 0x00000008, |
| GID_PTMD2 = 0x00000010, |
| GID_PTMD3 = 0x00000020, |
| GID_PTMD4 = 0x00000040, |
| GID_PTMD5 = 0x00000080, |
| GID_PTMD6 = 0x00000100, |
| GID_PTMD7 = 0x00000200, |
| GID_ATCD0 = 0x00010000, |
| GID_ATCD1 = 0x00020000, |
| GID_ATCD2 = 0x00040000, |
| GID_ATCD3 = 0x00080000, |
| GID_ATCD4 = 0x00100000, |
| GID_ATCD5 = 0x00200000, |
| GID_ATCD6 = 0x00400000, |
| GID_ATCD7 = 0x00800000, |
| GID_ATCD8 = 0x01000000, |
| GID_ATCD9 = 0x02000000, |
| GID_ATCD10 = 0x04000000, |
| GID_ATCD11 = 0x08000000, |
| GID_ATCD12 = 0x10000000, |
| GID_ATCD13 = 0x20000000, |
| GID_ATCD14 = 0x40000000, |
| GID_ATCD15 = 0x80000000, |
| }; |
| |
| /* RIE0 (R-Car Gen3 only) */ |
| enum RIE0_BIT { |
| RIE0_FRS0 = 0x00000001, |
| RIE0_FRS1 = 0x00000002, |
| RIE0_FRS2 = 0x00000004, |
| RIE0_FRS3 = 0x00000008, |
| RIE0_FRS4 = 0x00000010, |
| RIE0_FRS5 = 0x00000020, |
| RIE0_FRS6 = 0x00000040, |
| RIE0_FRS7 = 0x00000080, |
| RIE0_FRS8 = 0x00000100, |
| RIE0_FRS9 = 0x00000200, |
| RIE0_FRS10 = 0x00000400, |
| RIE0_FRS11 = 0x00000800, |
| RIE0_FRS12 = 0x00001000, |
| RIE0_FRS13 = 0x00002000, |
| RIE0_FRS14 = 0x00004000, |
| RIE0_FRS15 = 0x00008000, |
| RIE0_FRS16 = 0x00010000, |
| RIE0_FRS17 = 0x00020000, |
| }; |
| |
| /* RID0 (R-Car Gen3 only) */ |
| enum RID0_BIT { |
| RID0_FRD0 = 0x00000001, |
| RID0_FRD1 = 0x00000002, |
| RID0_FRD2 = 0x00000004, |
| RID0_FRD3 = 0x00000008, |
| RID0_FRD4 = 0x00000010, |
| RID0_FRD5 = 0x00000020, |
| RID0_FRD6 = 0x00000040, |
| RID0_FRD7 = 0x00000080, |
| RID0_FRD8 = 0x00000100, |
| RID0_FRD9 = 0x00000200, |
| RID0_FRD10 = 0x00000400, |
| RID0_FRD11 = 0x00000800, |
| RID0_FRD12 = 0x00001000, |
| RID0_FRD13 = 0x00002000, |
| RID0_FRD14 = 0x00004000, |
| RID0_FRD15 = 0x00008000, |
| RID0_FRD16 = 0x00010000, |
| RID0_FRD17 = 0x00020000, |
| }; |
| |
| /* RIE2 (R-Car Gen3 only) */ |
| enum RIE2_BIT { |
| RIE2_QFS0 = 0x00000001, |
| RIE2_QFS1 = 0x00000002, |
| RIE2_QFS2 = 0x00000004, |
| RIE2_QFS3 = 0x00000008, |
| RIE2_QFS4 = 0x00000010, |
| RIE2_QFS5 = 0x00000020, |
| RIE2_QFS6 = 0x00000040, |
| RIE2_QFS7 = 0x00000080, |
| RIE2_QFS8 = 0x00000100, |
| RIE2_QFS9 = 0x00000200, |
| RIE2_QFS10 = 0x00000400, |
| RIE2_QFS11 = 0x00000800, |
| RIE2_QFS12 = 0x00001000, |
| RIE2_QFS13 = 0x00002000, |
| RIE2_QFS14 = 0x00004000, |
| RIE2_QFS15 = 0x00008000, |
| RIE2_QFS16 = 0x00010000, |
| RIE2_QFS17 = 0x00020000, |
| RIE2_RFFS = 0x80000000, |
| }; |
| |
| /* RID2 (R-Car Gen3 only) */ |
| enum RID2_BIT { |
| RID2_QFD0 = 0x00000001, |
| RID2_QFD1 = 0x00000002, |
| RID2_QFD2 = 0x00000004, |
| RID2_QFD3 = 0x00000008, |
| RID2_QFD4 = 0x00000010, |
| RID2_QFD5 = 0x00000020, |
| RID2_QFD6 = 0x00000040, |
| RID2_QFD7 = 0x00000080, |
| RID2_QFD8 = 0x00000100, |
| RID2_QFD9 = 0x00000200, |
| RID2_QFD10 = 0x00000400, |
| RID2_QFD11 = 0x00000800, |
| RID2_QFD12 = 0x00001000, |
| RID2_QFD13 = 0x00002000, |
| RID2_QFD14 = 0x00004000, |
| RID2_QFD15 = 0x00008000, |
| RID2_QFD16 = 0x00010000, |
| RID2_QFD17 = 0x00020000, |
| RID2_RFFD = 0x80000000, |
| }; |
| |
| /* TIE (R-Car Gen3 only) */ |
| enum TIE_BIT { |
| TIE_FTS0 = 0x00000001, |
| TIE_FTS1 = 0x00000002, |
| TIE_FTS2 = 0x00000004, |
| TIE_FTS3 = 0x00000008, |
| TIE_TFUS = 0x00000100, |
| TIE_TFWS = 0x00000200, |
| TIE_MFUS = 0x00000400, |
| TIE_MFWS = 0x00000800, |
| TIE_TDPS0 = 0x00010000, |
| TIE_TDPS1 = 0x00020000, |
| TIE_TDPS2 = 0x00040000, |
| TIE_TDPS3 = 0x00080000, |
| }; |
| |
| /* TID (R-Car Gen3 only) */ |
| enum TID_BIT { |
| TID_FTD0 = 0x00000001, |
| TID_FTD1 = 0x00000002, |
| TID_FTD2 = 0x00000004, |
| TID_FTD3 = 0x00000008, |
| TID_TFUD = 0x00000100, |
| TID_TFWD = 0x00000200, |
| TID_MFUD = 0x00000400, |
| TID_MFWD = 0x00000800, |
| TID_TDPD0 = 0x00010000, |
| TID_TDPD1 = 0x00020000, |
| TID_TDPD2 = 0x00040000, |
| TID_TDPD3 = 0x00080000, |
| }; |
| |
| /* ECMR */ |
| enum ECMR_BIT { |
| ECMR_PRM = 0x00000001, |
| ECMR_DM = 0x00000002, |
| ECMR_TE = 0x00000020, |
| ECMR_RE = 0x00000040, |
| ECMR_MPDE = 0x00000200, |
| ECMR_TXF = 0x00010000, /* Documented for R-Car Gen3 only */ |
| ECMR_RXF = 0x00020000, |
| ECMR_PFR = 0x00040000, |
| ECMR_ZPF = 0x00080000, /* Documented for R-Car Gen3 only */ |
| ECMR_RZPF = 0x00100000, |
| ECMR_DPAD = 0x00200000, |
| ECMR_RCSC = 0x00800000, |
| ECMR_TRCCM = 0x04000000, |
| }; |
| |
| /* ECSR */ |
| enum ECSR_BIT { |
| ECSR_ICD = 0x00000001, |
| ECSR_MPD = 0x00000002, |
| ECSR_LCHNG = 0x00000004, |
| ECSR_PHYI = 0x00000008, |
| }; |
| |
| /* ECSIPR */ |
| enum ECSIPR_BIT { |
| ECSIPR_ICDIP = 0x00000001, |
| ECSIPR_MPDIP = 0x00000002, |
| ECSIPR_LCHNGIP = 0x00000004, |
| }; |
| |
| /* PIR */ |
| enum PIR_BIT { |
| PIR_MDC = 0x00000001, |
| PIR_MMD = 0x00000002, |
| PIR_MDO = 0x00000004, |
| PIR_MDI = 0x00000008, |
| }; |
| |
| /* PSR */ |
| enum PSR_BIT { |
| PSR_LMON = 0x00000001, |
| }; |
| |
| /* PIPR */ |
| enum PIPR_BIT { |
| PIPR_PHYIP = 0x00000001, |
| }; |
| |
| /* MPR */ |
| enum MPR_BIT { |
| MPR_MP = 0x0000ffff, |
| }; |
| |
| /* GECMR */ |
| enum GECMR_BIT { |
| GECMR_SPEED = 0x00000001, |
| GECMR_SPEED_100 = 0x00000000, |
| GECMR_SPEED_1000 = 0x00000001, |
| }; |
| |
| /* The Ethernet AVB descriptor definitions. */ |
| struct ravb_desc { |
| __le16 ds; /* Descriptor size */ |
| u8 cc; /* Content control MSBs (reserved) */ |
| u8 die_dt; /* Descriptor interrupt enable and type */ |
| __le32 dptr; /* Descriptor pointer */ |
| }; |
| |
| #define DPTR_ALIGN 4 /* Required descriptor pointer alignment */ |
| |
| enum DIE_DT { |
| /* Frame data */ |
| DT_FMID = 0x40, |
| DT_FSTART = 0x50, |
| DT_FEND = 0x60, |
| DT_FSINGLE = 0x70, |
| /* Chain control */ |
| DT_LINK = 0x80, |
| DT_LINKFIX = 0x90, |
| DT_EOS = 0xa0, |
| /* HW/SW arbitration */ |
| DT_FEMPTY = 0xc0, |
| DT_FEMPTY_IS = 0xd0, |
| DT_FEMPTY_IC = 0xe0, |
| DT_FEMPTY_ND = 0xf0, |
| DT_LEMPTY = 0x20, |
| DT_EEMPTY = 0x30, |
| }; |
| |
| struct ravb_rx_desc { |
| __le16 ds_cc; /* Descriptor size and content control LSBs */ |
| u8 msc; /* MAC status code */ |
| u8 die_dt; /* Descriptor interrupt enable and type */ |
| __le32 dptr; /* Descpriptor pointer */ |
| }; |
| |
| struct ravb_ex_rx_desc { |
| __le16 ds_cc; /* Descriptor size and content control lower bits */ |
| u8 msc; /* MAC status code */ |
| u8 die_dt; /* Descriptor interrupt enable and type */ |
| __le32 dptr; /* Descpriptor pointer */ |
| __le32 ts_n; /* Timestampe nsec */ |
| __le32 ts_sl; /* Timestamp low */ |
| __le16 ts_sh; /* Timestamp high */ |
| __le16 res; /* Reserved bits */ |
| }; |
| |
| enum RX_DS_CC_BIT { |
| RX_DS = 0x0fff, /* Data size */ |
| RX_TR = 0x1000, /* Truncation indication */ |
| RX_EI = 0x2000, /* Error indication */ |
| RX_PS = 0xc000, /* Padding selection */ |
| }; |
| |
| /* E-MAC status code */ |
| enum MSC_BIT { |
| MSC_CRC = 0x01, /* Frame CRC error */ |
| MSC_RFE = 0x02, /* Frame reception error (flagged by PHY) */ |
| MSC_RTSF = 0x04, /* Frame length error (frame too short) */ |
| MSC_RTLF = 0x08, /* Frame length error (frame too long) */ |
| MSC_FRE = 0x10, /* Fraction error (not a multiple of 8 bits) */ |
| MSC_CRL = 0x20, /* Carrier lost */ |
| MSC_CEEF = 0x40, /* Carrier extension error */ |
| MSC_MC = 0x80, /* Multicast frame reception */ |
| }; |
| |
| struct ravb_tx_desc { |
| __le16 ds_tagl; /* Descriptor size and frame tag LSBs */ |
| u8 tagh_tsr; /* Frame tag MSBs and timestamp storage request bit */ |
| u8 die_dt; /* Descriptor interrupt enable and type */ |
| __le32 dptr; /* Descpriptor pointer */ |
| }; |
| |
| enum TX_DS_TAGL_BIT { |
| TX_DS = 0x0fff, /* Data size */ |
| TX_TAGL = 0xf000, /* Frame tag LSBs */ |
| }; |
| |
| enum TX_TAGH_TSR_BIT { |
| TX_TAGH = 0x3f, /* Frame tag MSBs */ |
| TX_TSR = 0x40, /* Timestamp storage request */ |
| }; |
| enum RAVB_QUEUE { |
| RAVB_BE = 0, /* Best Effort Queue */ |
| RAVB_NC, /* Network Control Queue */ |
| }; |
| |
| #define DBAT_ENTRY_NUM 22 |
| #define RX_QUEUE_OFFSET 4 |
| #define NUM_RX_QUEUE 2 |
| #define NUM_TX_QUEUE 2 |
| |
| #define RX_BUF_SZ (2048 - ETH_FCS_LEN + sizeof(__sum16)) |
| |
| struct ravb_tstamp_skb { |
| struct list_head list; |
| struct sk_buff *skb; |
| u16 tag; |
| }; |
| |
| struct ravb_ptp_perout { |
| u32 target; |
| u32 period; |
| }; |
| |
| #define N_EXT_TS 1 |
| #define N_PER_OUT 1 |
| |
| struct ravb_ptp { |
| struct ptp_clock *clock; |
| struct ptp_clock_info info; |
| u32 default_addend; |
| u32 current_addend; |
| int extts[N_EXT_TS]; |
| struct ravb_ptp_perout perout[N_PER_OUT]; |
| }; |
| |
| struct ravb_hw_info { |
| void (*rx_ring_free)(struct net_device *ndev, int q); |
| void (*rx_ring_format)(struct net_device *ndev, int q); |
| void *(*alloc_rx_desc)(struct net_device *ndev, int q); |
| bool (*receive)(struct net_device *ndev, int *quota, int q); |
| void (*set_rate)(struct net_device *ndev); |
| int (*set_rx_csum_feature)(struct net_device *ndev, netdev_features_t features); |
| void (*dmac_init)(struct net_device *ndev); |
| void (*emac_init)(struct net_device *ndev); |
| const char (*gstrings_stats)[ETH_GSTRING_LEN]; |
| size_t gstrings_size; |
| netdev_features_t net_hw_features; |
| netdev_features_t net_features; |
| int stats_len; |
| size_t max_rx_len; |
| unsigned aligned_tx: 1; |
| |
| /* hardware features */ |
| unsigned internal_delay:1; /* AVB-DMAC has internal delays */ |
| unsigned tx_counters:1; /* E-MAC has TX counters */ |
| unsigned multi_irqs:1; /* AVB-DMAC and E-MAC has multiple irqs */ |
| unsigned no_ptp_cfg_active:1; /* AVB-DMAC does not support gPTP active in config mode */ |
| unsigned ptp_cfg_active:1; /* AVB-DMAC has gPTP support active in config mode */ |
| }; |
| |
| struct ravb_private { |
| struct net_device *ndev; |
| struct platform_device *pdev; |
| void __iomem *addr; |
| struct clk *clk; |
| struct clk *refclk; |
| struct mdiobb_ctrl mdiobb; |
| u32 num_rx_ring[NUM_RX_QUEUE]; |
| u32 num_tx_ring[NUM_TX_QUEUE]; |
| u32 desc_bat_size; |
| dma_addr_t desc_bat_dma; |
| struct ravb_desc *desc_bat; |
| dma_addr_t rx_desc_dma[NUM_RX_QUEUE]; |
| dma_addr_t tx_desc_dma[NUM_TX_QUEUE]; |
| struct ravb_ex_rx_desc *rx_ring[NUM_RX_QUEUE]; |
| struct ravb_tx_desc *tx_ring[NUM_TX_QUEUE]; |
| void *tx_align[NUM_TX_QUEUE]; |
| struct sk_buff **rx_skb[NUM_RX_QUEUE]; |
| struct sk_buff **tx_skb[NUM_TX_QUEUE]; |
| u32 rx_over_errors; |
| u32 rx_fifo_errors; |
| struct net_device_stats stats[NUM_RX_QUEUE]; |
| u32 tstamp_tx_ctrl; |
| u32 tstamp_rx_ctrl; |
| struct list_head ts_skb_list; |
| u32 ts_skb_tag; |
| struct ravb_ptp ptp; |
| spinlock_t lock; /* Register access lock */ |
| u32 cur_rx[NUM_RX_QUEUE]; /* Consumer ring indices */ |
| u32 dirty_rx[NUM_RX_QUEUE]; /* Producer ring indices */ |
| u32 cur_tx[NUM_TX_QUEUE]; |
| u32 dirty_tx[NUM_TX_QUEUE]; |
| struct napi_struct napi[NUM_RX_QUEUE]; |
| struct work_struct work; |
| /* MII transceiver section. */ |
| struct mii_bus *mii_bus; /* MDIO bus control */ |
| int link; |
| phy_interface_t phy_interface; |
| int msg_enable; |
| int speed; |
| int emac_irq; |
| int rx_irqs[NUM_RX_QUEUE]; |
| int tx_irqs[NUM_TX_QUEUE]; |
| |
| unsigned no_avb_link:1; |
| unsigned avb_link_active_low:1; |
| unsigned wol_enabled:1; |
| unsigned rxcidm:1; /* RX Clock Internal Delay Mode */ |
| unsigned txcidm:1; /* TX Clock Internal Delay Mode */ |
| unsigned rgmii_override:1; /* Deprecated rgmii-*id behavior */ |
| unsigned int num_tx_desc; /* TX descriptors per packet */ |
| |
| const struct ravb_hw_info *info; |
| struct reset_control *rstc; |
| }; |
| |
| static inline u32 ravb_read(struct net_device *ndev, enum ravb_reg reg) |
| { |
| struct ravb_private *priv = netdev_priv(ndev); |
| |
| return ioread32(priv->addr + reg); |
| } |
| |
| static inline void ravb_write(struct net_device *ndev, u32 data, |
| enum ravb_reg reg) |
| { |
| struct ravb_private *priv = netdev_priv(ndev); |
| |
| iowrite32(data, priv->addr + reg); |
| } |
| |
| void ravb_modify(struct net_device *ndev, enum ravb_reg reg, u32 clear, |
| u32 set); |
| int ravb_wait(struct net_device *ndev, enum ravb_reg reg, u32 mask, u32 value); |
| |
| void ravb_ptp_interrupt(struct net_device *ndev); |
| void ravb_ptp_init(struct net_device *ndev, struct platform_device *pdev); |
| void ravb_ptp_stop(struct net_device *ndev); |
| |
| #endif /* #ifndef __RAVB_H__ */ |
