| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright (c) 2009 Wind River Systems, Inc. |
| * Tom Rix <Tom.Rix@windriver.com> |
| */ |
| |
| /* Define MUSB_DEBUG before including this file to get debug macros */ |
| #ifdef MUSB_DEBUG |
| |
| #define MUSB_FLAGS_PRINT(v, x, y) \ |
| if (((v) & MUSB_##x##_##y)) \ |
| serial_printf("\t\t"#y"\n") |
| |
| static inline void musb_print_pwr(u8 b) |
| { |
| serial_printf("\tpower 0x%2.2x\n", b); |
| MUSB_FLAGS_PRINT(b, POWER, ISOUPDATE); |
| MUSB_FLAGS_PRINT(b, POWER, SOFTCONN); |
| MUSB_FLAGS_PRINT(b, POWER, HSENAB); |
| MUSB_FLAGS_PRINT(b, POWER, HSMODE); |
| MUSB_FLAGS_PRINT(b, POWER, RESET); |
| MUSB_FLAGS_PRINT(b, POWER, RESUME); |
| MUSB_FLAGS_PRINT(b, POWER, SUSPENDM); |
| MUSB_FLAGS_PRINT(b, POWER, ENSUSPEND); |
| } |
| |
| static inline void musb_print_csr0(u16 w) |
| { |
| serial_printf("\tcsr0 0x%4.4x\n", w); |
| MUSB_FLAGS_PRINT(w, CSR0, FLUSHFIFO); |
| MUSB_FLAGS_PRINT(w, CSR0_P, SVDSETUPEND); |
| MUSB_FLAGS_PRINT(w, CSR0_P, SVDRXPKTRDY); |
| MUSB_FLAGS_PRINT(w, CSR0_P, SENDSTALL); |
| MUSB_FLAGS_PRINT(w, CSR0_P, SETUPEND); |
| MUSB_FLAGS_PRINT(w, CSR0_P, DATAEND); |
| MUSB_FLAGS_PRINT(w, CSR0_P, SENTSTALL); |
| MUSB_FLAGS_PRINT(w, CSR0, TXPKTRDY); |
| MUSB_FLAGS_PRINT(w, CSR0, RXPKTRDY); |
| } |
| |
| static inline void musb_print_intrusb(u8 b) |
| { |
| serial_printf("\tintrusb 0x%2.2x\n", b); |
| MUSB_FLAGS_PRINT(b, INTR, VBUSERROR); |
| MUSB_FLAGS_PRINT(b, INTR, SESSREQ); |
| MUSB_FLAGS_PRINT(b, INTR, DISCONNECT); |
| MUSB_FLAGS_PRINT(b, INTR, CONNECT); |
| MUSB_FLAGS_PRINT(b, INTR, SOF); |
| MUSB_FLAGS_PRINT(b, INTR, RESUME); |
| MUSB_FLAGS_PRINT(b, INTR, SUSPEND); |
| |
| if (b & MUSB_INTR_BABBLE) |
| serial_printf("\t\tMUSB_INTR_RESET or MUSB_INTR_BABBLE\n"); |
| |
| } |
| |
| static inline void musb_print_intrtx(u16 w) |
| { |
| serial_printf("\tintrtx 0x%4.4x\n", w); |
| } |
| |
| static inline void musb_print_intrrx(u16 w) |
| { |
| serial_printf("\tintrx 0x%4.4x\n", w); |
| } |
| |
| static inline void musb_print_devctl(u8 b) |
| { |
| serial_printf("\tdevctl 0x%2.2x\n", b); |
| if (b & MUSB_DEVCTL_BDEVICE) |
| serial_printf("\t\tB device\n"); |
| else |
| serial_printf("\t\tA device\n"); |
| if (b & MUSB_DEVCTL_FSDEV) |
| serial_printf("\t\tFast Device -(host mode)\n"); |
| if (b & MUSB_DEVCTL_LSDEV) |
| serial_printf("\t\tSlow Device -(host mode)\n"); |
| if (b & MUSB_DEVCTL_HM) |
| serial_printf("\t\tHost mode\n"); |
| else |
| serial_printf("\t\tPeripherial mode\n"); |
| if (b & MUSB_DEVCTL_HR) |
| serial_printf("\t\tHost request started(B device)\n"); |
| else |
| serial_printf("\t\tHost request finished(B device)\n"); |
| if (b & MUSB_DEVCTL_BDEVICE) { |
| if (b & MUSB_DEVCTL_SESSION) |
| serial_printf("\t\tStart of session(B device)\n"); |
| else |
| serial_printf("\t\tEnd of session(B device)\n"); |
| } else { |
| if (b & MUSB_DEVCTL_SESSION) |
| serial_printf("\t\tStart of session(A device)\n"); |
| else |
| serial_printf("\t\tEnd of session(A device)\n"); |
| } |
| } |
| |
| static inline void musb_print_config(u8 b) |
| { |
| serial_printf("\tconfig 0x%2.2x\n", b); |
| if (b & MUSB_CONFIGDATA_MPRXE) |
| serial_printf("\t\tAuto combine rx bulk packets\n"); |
| if (b & MUSB_CONFIGDATA_MPTXE) |
| serial_printf("\t\tAuto split tx bulk packets\n"); |
| if (b & MUSB_CONFIGDATA_BIGENDIAN) |
| serial_printf("\t\tBig Endian ordering\n"); |
| else |
| serial_printf("\t\tLittle Endian ordering\n"); |
| if (b & MUSB_CONFIGDATA_HBRXE) |
| serial_printf("\t\tHigh speed rx iso endpoint\n"); |
| if (b & MUSB_CONFIGDATA_HBTXE) |
| serial_printf("\t\tHigh speed tx iso endpoint\n"); |
| if (b & MUSB_CONFIGDATA_DYNFIFO) |
| serial_printf("\t\tDynamic fifo sizing\n"); |
| if (b & MUSB_CONFIGDATA_SOFTCONE) |
| serial_printf("\t\tSoft Connect\n"); |
| if (b & MUSB_CONFIGDATA_UTMIDW) |
| serial_printf("\t\t16 bit data width\n"); |
| else |
| serial_printf("\t\t8 bit data width\n"); |
| } |
| |
| static inline void musb_print_rxmaxp(u16 w) |
| { |
| serial_printf("\trxmaxp 0x%4.4x\n", w); |
| } |
| |
| static inline void musb_print_rxcsr(u16 w) |
| { |
| serial_printf("\trxcsr 0x%4.4x\n", w); |
| MUSB_FLAGS_PRINT(w, RXCSR, AUTOCLEAR); |
| MUSB_FLAGS_PRINT(w, RXCSR, DMAENAB); |
| MUSB_FLAGS_PRINT(w, RXCSR, DISNYET); |
| MUSB_FLAGS_PRINT(w, RXCSR, PID_ERR); |
| MUSB_FLAGS_PRINT(w, RXCSR, DMAMODE); |
| MUSB_FLAGS_PRINT(w, RXCSR, CLRDATATOG); |
| MUSB_FLAGS_PRINT(w, RXCSR, FLUSHFIFO); |
| MUSB_FLAGS_PRINT(w, RXCSR, DATAERROR); |
| MUSB_FLAGS_PRINT(w, RXCSR, FIFOFULL); |
| MUSB_FLAGS_PRINT(w, RXCSR, RXPKTRDY); |
| MUSB_FLAGS_PRINT(w, RXCSR_P, SENTSTALL); |
| MUSB_FLAGS_PRINT(w, RXCSR_P, SENDSTALL); |
| MUSB_FLAGS_PRINT(w, RXCSR_P, OVERRUN); |
| |
| if (w & MUSB_RXCSR_P_ISO) |
| serial_printf("\t\tiso mode\n"); |
| else |
| serial_printf("\t\tbulk mode\n"); |
| |
| } |
| |
| static inline void musb_print_txmaxp(u16 w) |
| { |
| serial_printf("\ttxmaxp 0x%4.4x\n", w); |
| } |
| |
| static inline void musb_print_txcsr(u16 w) |
| { |
| serial_printf("\ttxcsr 0x%4.4x\n", w); |
| MUSB_FLAGS_PRINT(w, TXCSR, TXPKTRDY); |
| MUSB_FLAGS_PRINT(w, TXCSR, FIFONOTEMPTY); |
| MUSB_FLAGS_PRINT(w, TXCSR, FLUSHFIFO); |
| MUSB_FLAGS_PRINT(w, TXCSR, CLRDATATOG); |
| MUSB_FLAGS_PRINT(w, TXCSR_P, UNDERRUN); |
| MUSB_FLAGS_PRINT(w, TXCSR_P, SENTSTALL); |
| MUSB_FLAGS_PRINT(w, TXCSR_P, SENDSTALL); |
| |
| if (w & MUSB_TXCSR_MODE) |
| serial_printf("\t\tTX mode\n"); |
| else |
| serial_printf("\t\tRX mode\n"); |
| } |
| |
| #else |
| |
| /* stubs */ |
| |
| #define musb_print_pwr(b) |
| #define musb_print_csr0(w) |
| #define musb_print_intrusb(b) |
| #define musb_print_intrtx(w) |
| #define musb_print_intrrx(w) |
| #define musb_print_devctl(b) |
| #define musb_print_config(b) |
| #define musb_print_rxmaxp(w) |
| #define musb_print_rxcsr(w) |
| #define musb_print_txmaxp(w) |
| #define musb_print_txcsr(w) |
| |
| #endif /* MUSB_DEBUG */ |
