1 /*
2 * Copyright (c) 2009 Wind River Systems, Inc.
3 * Tom Rix <Tom.Rix@windriver.com>
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8 /* Define MUSB_DEBUG before including this file to get debug macros */
9 #ifdef MUSB_DEBUG
10
11 #define MUSB_FLAGS_PRINT(v, x, y) \
12 if (((v) & MUSB_##x##_##y)) \
13 serial_printf("\t\t"#y"\n")
14
musb_print_pwr(u8 b)15 static inline void musb_print_pwr(u8 b)
16 {
17 serial_printf("\tpower 0x%2.2x\n", b);
18 MUSB_FLAGS_PRINT(b, POWER, ISOUPDATE);
19 MUSB_FLAGS_PRINT(b, POWER, SOFTCONN);
20 MUSB_FLAGS_PRINT(b, POWER, HSENAB);
21 MUSB_FLAGS_PRINT(b, POWER, HSMODE);
22 MUSB_FLAGS_PRINT(b, POWER, RESET);
23 MUSB_FLAGS_PRINT(b, POWER, RESUME);
24 MUSB_FLAGS_PRINT(b, POWER, SUSPENDM);
25 MUSB_FLAGS_PRINT(b, POWER, ENSUSPEND);
26 }
27
musb_print_csr0(u16 w)28 static inline void musb_print_csr0(u16 w)
29 {
30 serial_printf("\tcsr0 0x%4.4x\n", w);
31 MUSB_FLAGS_PRINT(w, CSR0, FLUSHFIFO);
32 MUSB_FLAGS_PRINT(w, CSR0_P, SVDSETUPEND);
33 MUSB_FLAGS_PRINT(w, CSR0_P, SVDRXPKTRDY);
34 MUSB_FLAGS_PRINT(w, CSR0_P, SENDSTALL);
35 MUSB_FLAGS_PRINT(w, CSR0_P, SETUPEND);
36 MUSB_FLAGS_PRINT(w, CSR0_P, DATAEND);
37 MUSB_FLAGS_PRINT(w, CSR0_P, SENTSTALL);
38 MUSB_FLAGS_PRINT(w, CSR0, TXPKTRDY);
39 MUSB_FLAGS_PRINT(w, CSR0, RXPKTRDY);
40 }
41
musb_print_intrusb(u8 b)42 static inline void musb_print_intrusb(u8 b)
43 {
44 serial_printf("\tintrusb 0x%2.2x\n", b);
45 MUSB_FLAGS_PRINT(b, INTR, VBUSERROR);
46 MUSB_FLAGS_PRINT(b, INTR, SESSREQ);
47 MUSB_FLAGS_PRINT(b, INTR, DISCONNECT);
48 MUSB_FLAGS_PRINT(b, INTR, CONNECT);
49 MUSB_FLAGS_PRINT(b, INTR, SOF);
50 MUSB_FLAGS_PRINT(b, INTR, RESUME);
51 MUSB_FLAGS_PRINT(b, INTR, SUSPEND);
52
53 if (b & MUSB_INTR_BABBLE)
54 serial_printf("\t\tMUSB_INTR_RESET or MUSB_INTR_BABBLE\n");
55
56 }
57
musb_print_intrtx(u16 w)58 static inline void musb_print_intrtx(u16 w)
59 {
60 serial_printf("\tintrtx 0x%4.4x\n", w);
61 }
62
musb_print_intrrx(u16 w)63 static inline void musb_print_intrrx(u16 w)
64 {
65 serial_printf("\tintrx 0x%4.4x\n", w);
66 }
67
musb_print_devctl(u8 b)68 static inline void musb_print_devctl(u8 b)
69 {
70 serial_printf("\tdevctl 0x%2.2x\n", b);
71 if (b & MUSB_DEVCTL_BDEVICE)
72 serial_printf("\t\tB device\n");
73 else
74 serial_printf("\t\tA device\n");
75 if (b & MUSB_DEVCTL_FSDEV)
76 serial_printf("\t\tFast Device -(host mode)\n");
77 if (b & MUSB_DEVCTL_LSDEV)
78 serial_printf("\t\tSlow Device -(host mode)\n");
79 if (b & MUSB_DEVCTL_HM)
80 serial_printf("\t\tHost mode\n");
81 else
82 serial_printf("\t\tPeripherial mode\n");
83 if (b & MUSB_DEVCTL_HR)
84 serial_printf("\t\tHost request started(B device)\n");
85 else
86 serial_printf("\t\tHost request finished(B device)\n");
87 if (b & MUSB_DEVCTL_BDEVICE) {
88 if (b & MUSB_DEVCTL_SESSION)
89 serial_printf("\t\tStart of session(B device)\n");
90 else
91 serial_printf("\t\tEnd of session(B device)\n");
92 } else {
93 if (b & MUSB_DEVCTL_SESSION)
94 serial_printf("\t\tStart of session(A device)\n");
95 else
96 serial_printf("\t\tEnd of session(A device)\n");
97 }
98 }
99
musb_print_config(u8 b)100 static inline void musb_print_config(u8 b)
101 {
102 serial_printf("\tconfig 0x%2.2x\n", b);
103 if (b & MUSB_CONFIGDATA_MPRXE)
104 serial_printf("\t\tAuto combine rx bulk packets\n");
105 if (b & MUSB_CONFIGDATA_MPTXE)
106 serial_printf("\t\tAuto split tx bulk packets\n");
107 if (b & MUSB_CONFIGDATA_BIGENDIAN)
108 serial_printf("\t\tBig Endian ordering\n");
109 else
110 serial_printf("\t\tLittle Endian ordering\n");
111 if (b & MUSB_CONFIGDATA_HBRXE)
112 serial_printf("\t\tHigh speed rx iso endpoint\n");
113 if (b & MUSB_CONFIGDATA_HBTXE)
114 serial_printf("\t\tHigh speed tx iso endpoint\n");
115 if (b & MUSB_CONFIGDATA_DYNFIFO)
116 serial_printf("\t\tDynamic fifo sizing\n");
117 if (b & MUSB_CONFIGDATA_SOFTCONE)
118 serial_printf("\t\tSoft Connect\n");
119 if (b & MUSB_CONFIGDATA_UTMIDW)
120 serial_printf("\t\t16 bit data width\n");
121 else
122 serial_printf("\t\t8 bit data width\n");
123 }
124
musb_print_rxmaxp(u16 w)125 static inline void musb_print_rxmaxp(u16 w)
126 {
127 serial_printf("\trxmaxp 0x%4.4x\n", w);
128 }
129
musb_print_rxcsr(u16 w)130 static inline void musb_print_rxcsr(u16 w)
131 {
132 serial_printf("\trxcsr 0x%4.4x\n", w);
133 MUSB_FLAGS_PRINT(w, RXCSR, AUTOCLEAR);
134 MUSB_FLAGS_PRINT(w, RXCSR, DMAENAB);
135 MUSB_FLAGS_PRINT(w, RXCSR, DISNYET);
136 MUSB_FLAGS_PRINT(w, RXCSR, PID_ERR);
137 MUSB_FLAGS_PRINT(w, RXCSR, DMAMODE);
138 MUSB_FLAGS_PRINT(w, RXCSR, CLRDATATOG);
139 MUSB_FLAGS_PRINT(w, RXCSR, FLUSHFIFO);
140 MUSB_FLAGS_PRINT(w, RXCSR, DATAERROR);
141 MUSB_FLAGS_PRINT(w, RXCSR, FIFOFULL);
142 MUSB_FLAGS_PRINT(w, RXCSR, RXPKTRDY);
143 MUSB_FLAGS_PRINT(w, RXCSR_P, SENTSTALL);
144 MUSB_FLAGS_PRINT(w, RXCSR_P, SENDSTALL);
145 MUSB_FLAGS_PRINT(w, RXCSR_P, OVERRUN);
146
147 if (w & MUSB_RXCSR_P_ISO)
148 serial_printf("\t\tiso mode\n");
149 else
150 serial_printf("\t\tbulk mode\n");
151
152 }
153
musb_print_txmaxp(u16 w)154 static inline void musb_print_txmaxp(u16 w)
155 {
156 serial_printf("\ttxmaxp 0x%4.4x\n", w);
157 }
158
musb_print_txcsr(u16 w)159 static inline void musb_print_txcsr(u16 w)
160 {
161 serial_printf("\ttxcsr 0x%4.4x\n", w);
162 MUSB_FLAGS_PRINT(w, TXCSR, TXPKTRDY);
163 MUSB_FLAGS_PRINT(w, TXCSR, FIFONOTEMPTY);
164 MUSB_FLAGS_PRINT(w, TXCSR, FLUSHFIFO);
165 MUSB_FLAGS_PRINT(w, TXCSR, CLRDATATOG);
166 MUSB_FLAGS_PRINT(w, TXCSR_P, UNDERRUN);
167 MUSB_FLAGS_PRINT(w, TXCSR_P, SENTSTALL);
168 MUSB_FLAGS_PRINT(w, TXCSR_P, SENDSTALL);
169
170 if (w & MUSB_TXCSR_MODE)
171 serial_printf("\t\tTX mode\n");
172 else
173 serial_printf("\t\tRX mode\n");
174 }
175
176 #else
177
178 /* stubs */
179
180 #define musb_print_pwr(b)
181 #define musb_print_csr0(w)
182 #define musb_print_intrusb(b)
183 #define musb_print_intrtx(w)
184 #define musb_print_intrrx(w)
185 #define musb_print_devctl(b)
186 #define musb_print_config(b)
187 #define musb_print_rxmaxp(w)
188 #define musb_print_rxcsr(w)
189 #define musb_print_txmaxp(w)
190 #define musb_print_txcsr(w)
191
192 #endif /* MUSB_DEBUG */
193