1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (c) 2009 Wind River Systems, Inc. 4 * Tom Rix <Tom.Rix (at) windriver.com> 5 */ 6 7 /* Define MUSB_DEBUG before including this file to get debug macros */ 8 #ifdef MUSB_DEBUG 9 10 #define MUSB_FLAGS_PRINT(v, x, y) \ 11 if (((v) & MUSB_##x##_##y)) \ 12 serial_printf("\t\t"#y"\n") 13 14 static inline void musb_print_pwr(u8 b) 15 { 16 serial_printf("\tpower 0x%2.2x\n", b); 17 MUSB_FLAGS_PRINT(b, POWER, ISOUPDATE); 18 MUSB_FLAGS_PRINT(b, POWER, SOFTCONN); 19 MUSB_FLAGS_PRINT(b, POWER, HSENAB); 20 MUSB_FLAGS_PRINT(b, POWER, HSMODE); 21 MUSB_FLAGS_PRINT(b, POWER, RESET); 22 MUSB_FLAGS_PRINT(b, POWER, RESUME); 23 MUSB_FLAGS_PRINT(b, POWER, SUSPENDM); 24 MUSB_FLAGS_PRINT(b, POWER, ENSUSPEND); 25 } 26 27 static inline void musb_print_csr0(u16 w) 28 { 29 serial_printf("\tcsr0 0x%4.4x\n", w); 30 MUSB_FLAGS_PRINT(w, CSR0, FLUSHFIFO); 31 MUSB_FLAGS_PRINT(w, CSR0_P, SVDSETUPEND); 32 MUSB_FLAGS_PRINT(w, CSR0_P, SVDRXPKTRDY); 33 MUSB_FLAGS_PRINT(w, CSR0_P, SENDSTALL); 34 MUSB_FLAGS_PRINT(w, CSR0_P, SETUPEND); 35 MUSB_FLAGS_PRINT(w, CSR0_P, DATAEND); 36 MUSB_FLAGS_PRINT(w, CSR0_P, SENTSTALL); 37 MUSB_FLAGS_PRINT(w, CSR0, TXPKTRDY); 38 MUSB_FLAGS_PRINT(w, CSR0, RXPKTRDY); 39 } 40 41 static inline void musb_print_intrusb(u8 b) 42 { 43 serial_printf("\tintrusb 0x%2.2x\n", b); 44 MUSB_FLAGS_PRINT(b, INTR, VBUSERROR); 45 MUSB_FLAGS_PRINT(b, INTR, SESSREQ); 46 MUSB_FLAGS_PRINT(b, INTR, DISCONNECT); 47 MUSB_FLAGS_PRINT(b, INTR, CONNECT); 48 MUSB_FLAGS_PRINT(b, INTR, SOF); 49 MUSB_FLAGS_PRINT(b, INTR, RESUME); 50 MUSB_FLAGS_PRINT(b, INTR, SUSPEND); 51 52 if (b & MUSB_INTR_BABBLE) 53 serial_printf("\t\tMUSB_INTR_RESET or MUSB_INTR_BABBLE\n"); 54 55 } 56 57 static inline void musb_print_intrtx(u16 w) 58 { 59 serial_printf("\tintrtx 0x%4.4x\n", w); 60 } 61 62 static inline void musb_print_intrrx(u16 w) 63 { 64 serial_printf("\tintrx 0x%4.4x\n", w); 65 } 66 67 static inline void musb_print_devctl(u8 b) 68 { 69 serial_printf("\tdevctl 0x%2.2x\n", b); 70 if (b & MUSB_DEVCTL_BDEVICE) 71 serial_printf("\t\tB device\n"); 72 else 73 serial_printf("\t\tA device\n"); 74 if (b & MUSB_DEVCTL_FSDEV) 75 serial_printf("\t\tFast Device -(host mode)\n"); 76 if (b & MUSB_DEVCTL_LSDEV) 77 serial_printf("\t\tSlow Device -(host mode)\n"); 78 if (b & MUSB_DEVCTL_HM) 79 serial_printf("\t\tHost mode\n"); 80 else 81 serial_printf("\t\tPeripherial mode\n"); 82 if (b & MUSB_DEVCTL_HR) 83 serial_printf("\t\tHost request started(B device)\n"); 84 else 85 serial_printf("\t\tHost request finished(B device)\n"); 86 if (b & MUSB_DEVCTL_BDEVICE) { 87 if (b & MUSB_DEVCTL_SESSION) 88 serial_printf("\t\tStart of session(B device)\n"); 89 else 90 serial_printf("\t\tEnd of session(B device)\n"); 91 } else { 92 if (b & MUSB_DEVCTL_SESSION) 93 serial_printf("\t\tStart of session(A device)\n"); 94 else 95 serial_printf("\t\tEnd of session(A device)\n"); 96 } 97 } 98 99 static inline void musb_print_config(u8 b) 100 { 101 serial_printf("\tconfig 0x%2.2x\n", b); 102 if (b & MUSB_CONFIGDATA_MPRXE) 103 serial_printf("\t\tAuto combine rx bulk packets\n"); 104 if (b & MUSB_CONFIGDATA_MPTXE) 105 serial_printf("\t\tAuto split tx bulk packets\n"); 106 if (b & MUSB_CONFIGDATA_BIGENDIAN) 107 serial_printf("\t\tBig Endian ordering\n"); 108 else 109 serial_printf("\t\tLittle Endian ordering\n"); 110 if (b & MUSB_CONFIGDATA_HBRXE) 111 serial_printf("\t\tHigh speed rx iso endpoint\n"); 112 if (b & MUSB_CONFIGDATA_HBTXE) 113 serial_printf("\t\tHigh speed tx iso endpoint\n"); 114 if (b & MUSB_CONFIGDATA_DYNFIFO) 115 serial_printf("\t\tDynamic fifo sizing\n"); 116 if (b & MUSB_CONFIGDATA_SOFTCONE) 117 serial_printf("\t\tSoft Connect\n"); 118 if (b & MUSB_CONFIGDATA_UTMIDW) 119 serial_printf("\t\t16 bit data width\n"); 120 else 121 serial_printf("\t\t8 bit data width\n"); 122 } 123 124 static inline void musb_print_rxmaxp(u16 w) 125 { 126 serial_printf("\trxmaxp 0x%4.4x\n", w); 127 } 128 129 static inline void musb_print_rxcsr(u16 w) 130 { 131 serial_printf("\trxcsr 0x%4.4x\n", w); 132 MUSB_FLAGS_PRINT(w, RXCSR, AUTOCLEAR); 133 MUSB_FLAGS_PRINT(w, RXCSR, DMAENAB); 134 MUSB_FLAGS_PRINT(w, RXCSR, DISNYET); 135 MUSB_FLAGS_PRINT(w, RXCSR, PID_ERR); 136 MUSB_FLAGS_PRINT(w, RXCSR, DMAMODE); 137 MUSB_FLAGS_PRINT(w, RXCSR, CLRDATATOG); 138 MUSB_FLAGS_PRINT(w, RXCSR, FLUSHFIFO); 139 MUSB_FLAGS_PRINT(w, RXCSR, DATAERROR); 140 MUSB_FLAGS_PRINT(w, RXCSR, FIFOFULL); 141 MUSB_FLAGS_PRINT(w, RXCSR, RXPKTRDY); 142 MUSB_FLAGS_PRINT(w, RXCSR_P, SENTSTALL); 143 MUSB_FLAGS_PRINT(w, RXCSR_P, SENDSTALL); 144 MUSB_FLAGS_PRINT(w, RXCSR_P, OVERRUN); 145 146 if (w & MUSB_RXCSR_P_ISO) 147 serial_printf("\t\tiso mode\n"); 148 else 149 serial_printf("\t\tbulk mode\n"); 150 151 } 152 153 static inline void musb_print_txmaxp(u16 w) 154 { 155 serial_printf("\ttxmaxp 0x%4.4x\n", w); 156 } 157 158 static inline void musb_print_txcsr(u16 w) 159 { 160 serial_printf("\ttxcsr 0x%4.4x\n", w); 161 MUSB_FLAGS_PRINT(w, TXCSR, TXPKTRDY); 162 MUSB_FLAGS_PRINT(w, TXCSR, FIFONOTEMPTY); 163 MUSB_FLAGS_PRINT(w, TXCSR, FLUSHFIFO); 164 MUSB_FLAGS_PRINT(w, TXCSR, CLRDATATOG); 165 MUSB_FLAGS_PRINT(w, TXCSR_P, UNDERRUN); 166 MUSB_FLAGS_PRINT(w, TXCSR_P, SENTSTALL); 167 MUSB_FLAGS_PRINT(w, TXCSR_P, SENDSTALL); 168 169 if (w & MUSB_TXCSR_MODE) 170 serial_printf("\t\tTX mode\n"); 171 else 172 serial_printf("\t\tRX mode\n"); 173 } 174 175 #else 176 177 /* stubs */ 178 179 #define musb_print_pwr(b) 180 #define musb_print_csr0(w) 181 #define musb_print_intrusb(b) 182 #define musb_print_intrtx(w) 183 #define musb_print_intrrx(w) 184 #define musb_print_devctl(b) 185 #define musb_print_config(b) 186 #define musb_print_rxmaxp(w) 187 #define musb_print_rxcsr(w) 188 #define musb_print_txmaxp(w) 189 #define musb_print_txcsr(w) 190 191 #endif /* MUSB_DEBUG */ 192
