// SPDX-License-Identifier: GPL-2.0+ /* Renesas R-Car CAN FD device driver * * Copyright (C) 2015 Renesas Electronics Corp. */ /* The R-Car CAN FD controller can operate in either one of the below two modes * - CAN FD only mode * - Classical CAN (CAN 2.0) only mode * * This driver puts the controller in CAN FD only mode by default. In this * mode, the controller acts as a CAN FD node that can also interoperate with * CAN 2.0 nodes. * * To switch the controller to Classical CAN (CAN 2.0) only mode, add * "renesas,no-can-fd" optional property to the device tree node. A h/w reset is * also required to switch modes. * * Note: The h/w manual register naming convention is clumsy and not acceptable * to use as it is in the driver. However, those names are added as comments * wherever it is modified to a readable name. */ #include <linux/bitmap.h> #include <linux/bitops.h> #include <linux/can/dev.h> #include <linux/clk.h> #include <linux/errno.h> #include <linux/ethtool.h> #include <linux/interrupt.h> #include <linux/iopoll.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/netdevice.h> #include <linux/of.h> #include <linux/phy/phy.h> #include <linux/platform_device.h> #include <linux/reset.h> #include <linux/types.h> #define RCANFD_DRV_NAME … /* Global register bits */ /* RSCFDnCFDGRMCFG */ #define RCANFD_GRMCFG_RCMC … /* RSCFDnCFDGCFG / RSCFDnGCFG */ #define RCANFD_GCFG_EEFE … #define RCANFD_GCFG_CMPOC … #define RCANFD_GCFG_DCS … #define RCANFD_GCFG_DCE … #define RCANFD_GCFG_TPRI … /* RSCFDnCFDGCTR / RSCFDnGCTR */ #define RCANFD_GCTR_TSRST … #define RCANFD_GCTR_CFMPOFIE … #define RCANFD_GCTR_THLEIE … #define RCANFD_GCTR_MEIE … #define RCANFD_GCTR_DEIE … #define RCANFD_GCTR_GSLPR … #define RCANFD_GCTR_GMDC_MASK … #define RCANFD_GCTR_GMDC_GOPM … #define RCANFD_GCTR_GMDC_GRESET … #define RCANFD_GCTR_GMDC_GTEST … /* RSCFDnCFDGSTS / RSCFDnGSTS */ #define RCANFD_GSTS_GRAMINIT … #define RCANFD_GSTS_GSLPSTS … #define RCANFD_GSTS_GHLTSTS … #define RCANFD_GSTS_GRSTSTS … /* Non-operational status */ #define RCANFD_GSTS_GNOPM … /* RSCFDnCFDGERFL / RSCFDnGERFL */ #define RCANFD_GERFL_EEF0_7 … #define RCANFD_GERFL_EEF(ch) … #define RCANFD_GERFL_CMPOF … #define RCANFD_GERFL_THLES … #define RCANFD_GERFL_MES … #define RCANFD_GERFL_DEF … #define RCANFD_GERFL_ERR(gpriv, x) … /* AFL Rx rules registers */ /* RSCFDnCFDGAFLCFG0 / RSCFDnGAFLCFG0 */ #define RCANFD_GAFLCFG_SETRNC(gpriv, n, x) … #define RCANFD_GAFLCFG_GETRNC(gpriv, n, x) … /* RSCFDnCFDGAFLECTR / RSCFDnGAFLECTR */ #define RCANFD_GAFLECTR_AFLDAE … #define RCANFD_GAFLECTR_AFLPN(gpriv, x) … /* RSCFDnCFDGAFLIDj / RSCFDnGAFLIDj */ #define RCANFD_GAFLID_GAFLLB … /* RSCFDnCFDGAFLP1_j / RSCFDnGAFLP1_j */ #define RCANFD_GAFLP1_GAFLFDP(x) … /* Channel register bits */ /* RSCFDnCmCFG - Classical CAN only */ #define RCANFD_CFG_SJW(x) … #define RCANFD_CFG_TSEG2(x) … #define RCANFD_CFG_TSEG1(x) … #define RCANFD_CFG_BRP(x) … /* RSCFDnCFDCmNCFG - CAN FD only */ #define RCANFD_NCFG_NTSEG2(gpriv, x) … #define RCANFD_NCFG_NTSEG1(gpriv, x) … #define RCANFD_NCFG_NSJW(gpriv, x) … #define RCANFD_NCFG_NBRP(x) … /* RSCFDnCFDCmCTR / RSCFDnCmCTR */ #define RCANFD_CCTR_CTME … #define RCANFD_CCTR_ERRD … #define RCANFD_CCTR_BOM_MASK … #define RCANFD_CCTR_BOM_ISO … #define RCANFD_CCTR_BOM_BENTRY … #define RCANFD_CCTR_BOM_BEND … #define RCANFD_CCTR_TDCVFIE … #define RCANFD_CCTR_SOCOIE … #define RCANFD_CCTR_EOCOIE … #define RCANFD_CCTR_TAIE … #define RCANFD_CCTR_ALIE … #define RCANFD_CCTR_BLIE … #define RCANFD_CCTR_OLIE … #define RCANFD_CCTR_BORIE … #define RCANFD_CCTR_BOEIE … #define RCANFD_CCTR_EPIE … #define RCANFD_CCTR_EWIE … #define RCANFD_CCTR_BEIE … #define RCANFD_CCTR_CSLPR … #define RCANFD_CCTR_CHMDC_MASK … #define RCANFD_CCTR_CHDMC_COPM … #define RCANFD_CCTR_CHDMC_CRESET … #define RCANFD_CCTR_CHDMC_CHLT … /* RSCFDnCFDCmSTS / RSCFDnCmSTS */ #define RCANFD_CSTS_COMSTS … #define RCANFD_CSTS_RECSTS … #define RCANFD_CSTS_TRMSTS … #define RCANFD_CSTS_BOSTS … #define RCANFD_CSTS_EPSTS … #define RCANFD_CSTS_SLPSTS … #define RCANFD_CSTS_HLTSTS … #define RCANFD_CSTS_CRSTSTS … #define RCANFD_CSTS_TECCNT(x) … #define RCANFD_CSTS_RECCNT(x) … /* RSCFDnCFDCmERFL / RSCFDnCmERFL */ #define RCANFD_CERFL_ADERR … #define RCANFD_CERFL_B0ERR … #define RCANFD_CERFL_B1ERR … #define RCANFD_CERFL_CERR … #define RCANFD_CERFL_AERR … #define RCANFD_CERFL_FERR … #define RCANFD_CERFL_SERR … #define RCANFD_CERFL_ALF … #define RCANFD_CERFL_BLF … #define RCANFD_CERFL_OVLF … #define RCANFD_CERFL_BORF … #define RCANFD_CERFL_BOEF … #define RCANFD_CERFL_EPF … #define RCANFD_CERFL_EWF … #define RCANFD_CERFL_BEF … #define RCANFD_CERFL_ERR(x) … /* RSCFDnCFDCmDCFG */ #define RCANFD_DCFG_DSJW(gpriv, x) … #define RCANFD_DCFG_DTSEG2(gpriv, x) … #define RCANFD_DCFG_DTSEG1(gpriv, x) … #define RCANFD_DCFG_DBRP(x) … /* RSCFDnCFDCmFDCFG */ #define RCANFD_GEN4_FDCFG_CLOE … #define RCANFD_GEN4_FDCFG_FDOE … #define RCANFD_FDCFG_TDCE … #define RCANFD_FDCFG_TDCOC … #define RCANFD_FDCFG_TDCO(x) … /* RSCFDnCFDRFCCx */ #define RCANFD_RFCC_RFIM … #define RCANFD_RFCC_RFDC(x) … #define RCANFD_RFCC_RFPLS(x) … #define RCANFD_RFCC_RFIE … #define RCANFD_RFCC_RFE … /* RSCFDnCFDRFSTSx */ #define RCANFD_RFSTS_RFIF … #define RCANFD_RFSTS_RFMLT … #define RCANFD_RFSTS_RFFLL … #define RCANFD_RFSTS_RFEMP … /* RSCFDnCFDRFIDx */ #define RCANFD_RFID_RFIDE … #define RCANFD_RFID_RFRTR … /* RSCFDnCFDRFPTRx */ #define RCANFD_RFPTR_RFDLC(x) … #define RCANFD_RFPTR_RFPTR(x) … #define RCANFD_RFPTR_RFTS(x) … /* RSCFDnCFDRFFDSTSx */ #define RCANFD_RFFDSTS_RFFDF … #define RCANFD_RFFDSTS_RFBRS … #define RCANFD_RFFDSTS_RFESI … /* Common FIFO bits */ /* RSCFDnCFDCFCCk */ #define RCANFD_CFCC_CFTML(gpriv, x) … #define RCANFD_CFCC_CFM(gpriv, x) … #define RCANFD_CFCC_CFIM … #define RCANFD_CFCC_CFDC(gpriv, x) … #define RCANFD_CFCC_CFPLS(x) … #define RCANFD_CFCC_CFTXIE … #define RCANFD_CFCC_CFE … /* RSCFDnCFDCFSTSk */ #define RCANFD_CFSTS_CFMC(x) … #define RCANFD_CFSTS_CFTXIF … #define RCANFD_CFSTS_CFMLT … #define RCANFD_CFSTS_CFFLL … #define RCANFD_CFSTS_CFEMP … /* RSCFDnCFDCFIDk */ #define RCANFD_CFID_CFIDE … #define RCANFD_CFID_CFRTR … #define RCANFD_CFID_CFID_MASK(x) … /* RSCFDnCFDCFPTRk */ #define RCANFD_CFPTR_CFDLC(x) … #define RCANFD_CFPTR_CFPTR(x) … #define RCANFD_CFPTR_CFTS(x) … /* RSCFDnCFDCFFDCSTSk */ #define RCANFD_CFFDCSTS_CFFDF … #define RCANFD_CFFDCSTS_CFBRS … #define RCANFD_CFFDCSTS_CFESI … /* This controller supports either Classical CAN only mode or CAN FD only mode. * These modes are supported in two separate set of register maps & names. * However, some of the register offsets are common for both modes. Those * offsets are listed below as Common registers. * * The CAN FD only mode specific registers & Classical CAN only mode specific * registers are listed separately. Their register names starts with * RCANFD_F_xxx & RCANFD_C_xxx respectively. */ /* Common registers */ /* RSCFDnCFDCmNCFG / RSCFDnCmCFG */ #define RCANFD_CCFG(m) … /* RSCFDnCFDCmCTR / RSCFDnCmCTR */ #define RCANFD_CCTR(m) … /* RSCFDnCFDCmSTS / RSCFDnCmSTS */ #define RCANFD_CSTS(m) … /* RSCFDnCFDCmERFL / RSCFDnCmERFL */ #define RCANFD_CERFL(m) … /* RSCFDnCFDGCFG / RSCFDnGCFG */ #define RCANFD_GCFG … /* RSCFDnCFDGCTR / RSCFDnGCTR */ #define RCANFD_GCTR … /* RSCFDnCFDGCTS / RSCFDnGCTS */ #define RCANFD_GSTS … /* RSCFDnCFDGERFL / RSCFDnGERFL */ #define RCANFD_GERFL … /* RSCFDnCFDGTSC / RSCFDnGTSC */ #define RCANFD_GTSC … /* RSCFDnCFDGAFLECTR / RSCFDnGAFLECTR */ #define RCANFD_GAFLECTR … /* RSCFDnCFDGAFLCFG / RSCFDnGAFLCFG */ #define RCANFD_GAFLCFG(ch) … /* RSCFDnCFDRMNB / RSCFDnRMNB */ #define RCANFD_RMNB … /* RSCFDnCFDRMND / RSCFDnRMND */ #define RCANFD_RMND(y) … /* RSCFDnCFDRFCCx / RSCFDnRFCCx */ #define RCANFD_RFCC(gpriv, x) … /* RSCFDnCFDRFSTSx / RSCFDnRFSTSx */ #define RCANFD_RFSTS(gpriv, x) … /* RSCFDnCFDRFPCTRx / RSCFDnRFPCTRx */ #define RCANFD_RFPCTR(gpriv, x) … /* Common FIFO Control registers */ /* RSCFDnCFDCFCCx / RSCFDnCFCCx */ #define RCANFD_CFCC(gpriv, ch, idx) … /* RSCFDnCFDCFSTSx / RSCFDnCFSTSx */ #define RCANFD_CFSTS(gpriv, ch, idx) … /* RSCFDnCFDCFPCTRx / RSCFDnCFPCTRx */ #define RCANFD_CFPCTR(gpriv, ch, idx) … /* RSCFDnCFDFESTS / RSCFDnFESTS */ #define RCANFD_FESTS … /* RSCFDnCFDFFSTS / RSCFDnFFSTS */ #define RCANFD_FFSTS … /* RSCFDnCFDFMSTS / RSCFDnFMSTS */ #define RCANFD_FMSTS … /* RSCFDnCFDRFISTS / RSCFDnRFISTS */ #define RCANFD_RFISTS … /* RSCFDnCFDCFRISTS / RSCFDnCFRISTS */ #define RCANFD_CFRISTS … /* RSCFDnCFDCFTISTS / RSCFDnCFTISTS */ #define RCANFD_CFTISTS … /* RSCFDnCFDTMCp / RSCFDnTMCp */ #define RCANFD_TMC(p) … /* RSCFDnCFDTMSTSp / RSCFDnTMSTSp */ #define RCANFD_TMSTS(p) … /* RSCFDnCFDTMTRSTSp / RSCFDnTMTRSTSp */ #define RCANFD_TMTRSTS(y) … /* RSCFDnCFDTMTARSTSp / RSCFDnTMTARSTSp */ #define RCANFD_TMTARSTS(y) … /* RSCFDnCFDTMTCSTSp / RSCFDnTMTCSTSp */ #define RCANFD_TMTCSTS(y) … /* RSCFDnCFDTMTASTSp / RSCFDnTMTASTSp */ #define RCANFD_TMTASTS(y) … /* RSCFDnCFDTMIECy / RSCFDnTMIECy */ #define RCANFD_TMIEC(y) … /* RSCFDnCFDTXQCCm / RSCFDnTXQCCm */ #define RCANFD_TXQCC(m) … /* RSCFDnCFDTXQSTSm / RSCFDnTXQSTSm */ #define RCANFD_TXQSTS(m) … /* RSCFDnCFDTXQPCTRm / RSCFDnTXQPCTRm */ #define RCANFD_TXQPCTR(m) … /* RSCFDnCFDTHLCCm / RSCFDnTHLCCm */ #define RCANFD_THLCC(m) … /* RSCFDnCFDTHLSTSm / RSCFDnTHLSTSm */ #define RCANFD_THLSTS(m) … /* RSCFDnCFDTHLPCTRm / RSCFDnTHLPCTRm */ #define RCANFD_THLPCTR(m) … /* RSCFDnCFDGTINTSTS0 / RSCFDnGTINTSTS0 */ #define RCANFD_GTINTSTS0 … /* RSCFDnCFDGTINTSTS1 / RSCFDnGTINTSTS1 */ #define RCANFD_GTINTSTS1 … /* RSCFDnCFDGTSTCFG / RSCFDnGTSTCFG */ #define RCANFD_GTSTCFG … /* RSCFDnCFDGTSTCTR / RSCFDnGTSTCTR */ #define RCANFD_GTSTCTR … /* RSCFDnCFDGLOCKK / RSCFDnGLOCKK */ #define RCANFD_GLOCKK … /* RSCFDnCFDGRMCFG */ #define RCANFD_GRMCFG … /* RSCFDnCFDGAFLIDj / RSCFDnGAFLIDj */ #define RCANFD_GAFLID(offset, j) … /* RSCFDnCFDGAFLMj / RSCFDnGAFLMj */ #define RCANFD_GAFLM(offset, j) … /* RSCFDnCFDGAFLP0j / RSCFDnGAFLP0j */ #define RCANFD_GAFLP0(offset, j) … /* RSCFDnCFDGAFLP1j / RSCFDnGAFLP1j */ #define RCANFD_GAFLP1(offset, j) … /* Classical CAN only mode register map */ /* RSCFDnGAFLXXXj offset */ #define RCANFD_C_GAFL_OFFSET … /* RSCFDnRMXXXq -> RCANFD_C_RMXXX(q) */ #define RCANFD_C_RMID(q) … #define RCANFD_C_RMPTR(q) … #define RCANFD_C_RMDF0(q) … #define RCANFD_C_RMDF1(q) … /* RSCFDnRFXXx -> RCANFD_C_RFXX(x) */ #define RCANFD_C_RFOFFSET … #define RCANFD_C_RFID(x) … #define RCANFD_C_RFPTR(x) … #define RCANFD_C_RFDF(x, df) … /* RSCFDnCFXXk -> RCANFD_C_CFXX(ch, k) */ #define RCANFD_C_CFOFFSET … #define RCANFD_C_CFID(ch, idx) … #define RCANFD_C_CFPTR(ch, idx) … #define RCANFD_C_CFDF(ch, idx, df) … /* RSCFDnTMXXp -> RCANFD_C_TMXX(p) */ #define RCANFD_C_TMID(p) … #define RCANFD_C_TMPTR(p) … #define RCANFD_C_TMDF0(p) … #define RCANFD_C_TMDF1(p) … /* RSCFDnTHLACCm */ #define RCANFD_C_THLACC(m) … /* RSCFDnRPGACCr */ #define RCANFD_C_RPGACC(r) … /* R-Car Gen4 Classical and CAN FD mode specific register map */ #define RCANFD_GEN4_FDCFG(m) … #define RCANFD_GEN4_GAFL_OFFSET … /* CAN FD mode specific register map */ /* RSCFDnCFDCmXXX -> RCANFD_F_XXX(m) */ #define RCANFD_F_DCFG(gpriv, m) … #define RCANFD_F_CFDCFG(m) … #define RCANFD_F_CFDCTR(m) … #define RCANFD_F_CFDSTS(m) … #define RCANFD_F_CFDCRC(m) … /* RSCFDnCFDGAFLXXXj offset */ #define RCANFD_F_GAFL_OFFSET … /* RSCFDnCFDRMXXXq -> RCANFD_F_RMXXX(q) */ #define RCANFD_F_RMID(q) … #define RCANFD_F_RMPTR(q) … #define RCANFD_F_RMFDSTS(q) … #define RCANFD_F_RMDF(q, b) … /* RSCFDnCFDRFXXx -> RCANFD_F_RFXX(x) */ #define RCANFD_F_RFOFFSET(gpriv) … #define RCANFD_F_RFID(gpriv, x) … #define RCANFD_F_RFPTR(gpriv, x) … #define RCANFD_F_RFFDSTS(gpriv, x) … #define RCANFD_F_RFDF(gpriv, x, df) … /* RSCFDnCFDCFXXk -> RCANFD_F_CFXX(ch, k) */ #define RCANFD_F_CFOFFSET(gpriv) … #define RCANFD_F_CFID(gpriv, ch, idx) … #define RCANFD_F_CFPTR(gpriv, ch, idx) … #define RCANFD_F_CFFDCSTS(gpriv, ch, idx) … #define RCANFD_F_CFDF(gpriv, ch, idx, df) … /* RSCFDnCFDTMXXp -> RCANFD_F_TMXX(p) */ #define RCANFD_F_TMID(p) … #define RCANFD_F_TMPTR(p) … #define RCANFD_F_TMFDCTR(p) … #define RCANFD_F_TMDF(p, b) … /* RSCFDnCFDTHLACCm */ #define RCANFD_F_THLACC(m) … /* RSCFDnCFDRPGACCr */ #define RCANFD_F_RPGACC(r) … /* Constants */ #define RCANFD_FIFO_DEPTH … #define RCANFD_NAPI_WEIGHT … #define RCANFD_NUM_CHANNELS … #define RCANFD_CHANNELS_MASK … #define RCANFD_GAFL_PAGENUM(entry) … #define RCANFD_CHANNEL_NUMRULES … /* Rx FIFO is a global resource of the controller. There are 8 such FIFOs * available. Each channel gets a dedicated Rx FIFO (i.e.) the channel * number is added to RFFIFO index. */ #define RCANFD_RFFIFO_IDX … /* Tx/Rx or Common FIFO is a per channel resource. Each channel has 3 Common * FIFOs dedicated to them. Use the first (index 0) FIFO out of the 3 for Tx. */ #define RCANFD_CFFIFO_IDX … struct rcar_canfd_global; struct rcar_canfd_hw_info { … }; /* Channel priv data */ struct rcar_canfd_channel { … }; /* Global priv data */ struct rcar_canfd_global { … }; /* CAN FD mode nominal rate constants */ static const struct can_bittiming_const rcar_canfd_nom_bittiming_const = …; /* CAN FD mode data rate constants */ static const struct can_bittiming_const rcar_canfd_data_bittiming_const = …; /* Classical CAN mode bitrate constants */ static const struct can_bittiming_const rcar_canfd_bittiming_const = …; static const struct rcar_canfd_hw_info rcar_gen3_hw_info = …; static const struct rcar_canfd_hw_info rcar_gen4_hw_info = …; static const struct rcar_canfd_hw_info rzg2l_hw_info = …; /* Helper functions */ static inline bool is_gen4(struct rcar_canfd_global *gpriv) { … } static inline u32 reg_gen4(struct rcar_canfd_global *gpriv, u32 gen4, u32 not_gen4) { … } static inline void rcar_canfd_update(u32 mask, u32 val, u32 __iomem *reg) { … } static inline u32 rcar_canfd_read(void __iomem *base, u32 offset) { … } static inline void rcar_canfd_write(void __iomem *base, u32 offset, u32 val) { … } static void rcar_canfd_set_bit(void __iomem *base, u32 reg, u32 val) { … } static void rcar_canfd_clear_bit(void __iomem *base, u32 reg, u32 val) { … } static void rcar_canfd_update_bit(void __iomem *base, u32 reg, u32 mask, u32 val) { … } static void rcar_canfd_get_data(struct rcar_canfd_channel *priv, struct canfd_frame *cf, u32 off) { … } static void rcar_canfd_put_data(struct rcar_canfd_channel *priv, struct canfd_frame *cf, u32 off) { … } static void rcar_canfd_tx_failure_cleanup(struct net_device *ndev) { … } static void rcar_canfd_set_mode(struct rcar_canfd_global *gpriv) { … } static int rcar_canfd_reset_controller(struct rcar_canfd_global *gpriv) { … } static void rcar_canfd_configure_controller(struct rcar_canfd_global *gpriv) { … } static void rcar_canfd_configure_afl_rules(struct rcar_canfd_global *gpriv, u32 ch) { … } static void rcar_canfd_configure_rx(struct rcar_canfd_global *gpriv, u32 ch) { … } static void rcar_canfd_configure_tx(struct rcar_canfd_global *gpriv, u32 ch) { … } static void rcar_canfd_enable_global_interrupts(struct rcar_canfd_global *gpriv) { … } static void rcar_canfd_disable_global_interrupts(struct rcar_canfd_global *gpriv) { … } static void rcar_canfd_enable_channel_interrupts(struct rcar_canfd_channel *priv) { … } static void rcar_canfd_disable_channel_interrupts(struct rcar_canfd_channel *priv) { … } static void rcar_canfd_global_error(struct net_device *ndev) { … } static void rcar_canfd_error(struct net_device *ndev, u32 cerfl, u16 txerr, u16 rxerr) { … } static void rcar_canfd_tx_done(struct net_device *ndev) { … } static void rcar_canfd_handle_global_err(struct rcar_canfd_global *gpriv, u32 ch) { … } static irqreturn_t rcar_canfd_global_err_interrupt(int irq, void *dev_id) { … } static void rcar_canfd_handle_global_receive(struct rcar_canfd_global *gpriv, u32 ch) { … } static irqreturn_t rcar_canfd_global_receive_fifo_interrupt(int irq, void *dev_id) { … } static irqreturn_t rcar_canfd_global_interrupt(int irq, void *dev_id) { … } static void rcar_canfd_state_change(struct net_device *ndev, u16 txerr, u16 rxerr) { … } static void rcar_canfd_handle_channel_tx(struct rcar_canfd_global *gpriv, u32 ch) { … } static irqreturn_t rcar_canfd_channel_tx_interrupt(int irq, void *dev_id) { … } static void rcar_canfd_handle_channel_err(struct rcar_canfd_global *gpriv, u32 ch) { … } static irqreturn_t rcar_canfd_channel_err_interrupt(int irq, void *dev_id) { … } static irqreturn_t rcar_canfd_channel_interrupt(int irq, void *dev_id) { … } static void rcar_canfd_set_bittiming(struct net_device *dev) { … } static int rcar_canfd_start(struct net_device *ndev) { … } static int rcar_canfd_open(struct net_device *ndev) { … } static void rcar_canfd_stop(struct net_device *ndev) { … } static int rcar_canfd_close(struct net_device *ndev) { … } static netdev_tx_t rcar_canfd_start_xmit(struct sk_buff *skb, struct net_device *ndev) { … } static void rcar_canfd_rx_pkt(struct rcar_canfd_channel *priv) { … } static int rcar_canfd_rx_poll(struct napi_struct *napi, int quota) { … } static int rcar_canfd_do_set_mode(struct net_device *ndev, enum can_mode mode) { … } static int rcar_canfd_get_berr_counter(const struct net_device *dev, struct can_berr_counter *bec) { … } static const struct net_device_ops rcar_canfd_netdev_ops = …; static const struct ethtool_ops rcar_canfd_ethtool_ops = …; static int rcar_canfd_channel_probe(struct rcar_canfd_global *gpriv, u32 ch, u32 fcan_freq, struct phy *transceiver) { … } static void rcar_canfd_channel_remove(struct rcar_canfd_global *gpriv, u32 ch) { … } static int rcar_canfd_probe(struct platform_device *pdev) { … } static void rcar_canfd_remove(struct platform_device *pdev) { … } static int __maybe_unused rcar_canfd_suspend(struct device *dev) { … } static int __maybe_unused rcar_canfd_resume(struct device *dev) { … } static SIMPLE_DEV_PM_OPS(rcar_canfd_pm_ops, rcar_canfd_suspend, rcar_canfd_resume); static const __maybe_unused struct of_device_id rcar_canfd_of_table[] = …; MODULE_DEVICE_TABLE(of, rcar_canfd_of_table); static struct platform_driver rcar_canfd_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; MODULE_DESCRIPTION(…) …; MODULE_ALIAS(…) …;
Codebase Browser
linux