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-rw-r--r--drivers/usb/cdns3/cdnsp-debug.h583
1 files changed, 583 insertions, 0 deletions
diff --git a/drivers/usb/cdns3/cdnsp-debug.h b/drivers/usb/cdns3/cdnsp-debug.h
new file mode 100644
index 000000000000..a8776df2d4e0
--- /dev/null
+++ b/drivers/usb/cdns3/cdnsp-debug.h
@@ -0,0 +1,583 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Cadence CDNSP DRD Driver.
+ *
+ * Copyright (C) 2020 Cadence.
+ *
+ * Author: Pawel Laszczak <pawell@cadence.com>
+ *
+ */
+#ifndef __LINUX_CDNSP_DEBUG
+#define __LINUX_CDNSP_DEBUG
+
+static inline const char *cdnsp_trb_comp_code_string(u8 status)
+{
+ switch (status) {
+ case COMP_INVALID:
+ return "Invalid";
+ case COMP_SUCCESS:
+ return "Success";
+ case COMP_DATA_BUFFER_ERROR:
+ return "Data Buffer Error";
+ case COMP_BABBLE_DETECTED_ERROR:
+ return "Babble Detected";
+ case COMP_TRB_ERROR:
+ return "TRB Error";
+ case COMP_RESOURCE_ERROR:
+ return "Resource Error";
+ case COMP_NO_SLOTS_AVAILABLE_ERROR:
+ return "No Slots Available Error";
+ case COMP_INVALID_STREAM_TYPE_ERROR:
+ return "Invalid Stream Type Error";
+ case COMP_SLOT_NOT_ENABLED_ERROR:
+ return "Slot Not Enabled Error";
+ case COMP_ENDPOINT_NOT_ENABLED_ERROR:
+ return "Endpoint Not Enabled Error";
+ case COMP_SHORT_PACKET:
+ return "Short Packet";
+ case COMP_RING_UNDERRUN:
+ return "Ring Underrun";
+ case COMP_RING_OVERRUN:
+ return "Ring Overrun";
+ case COMP_VF_EVENT_RING_FULL_ERROR:
+ return "VF Event Ring Full Error";
+ case COMP_PARAMETER_ERROR:
+ return "Parameter Error";
+ case COMP_CONTEXT_STATE_ERROR:
+ return "Context State Error";
+ case COMP_EVENT_RING_FULL_ERROR:
+ return "Event Ring Full Error";
+ case COMP_INCOMPATIBLE_DEVICE_ERROR:
+ return "Incompatible Device Error";
+ case COMP_MISSED_SERVICE_ERROR:
+ return "Missed Service Error";
+ case COMP_COMMAND_RING_STOPPED:
+ return "Command Ring Stopped";
+ case COMP_COMMAND_ABORTED:
+ return "Command Aborted";
+ case COMP_STOPPED:
+ return "Stopped";
+ case COMP_STOPPED_LENGTH_INVALID:
+ return "Stopped - Length Invalid";
+ case COMP_STOPPED_SHORT_PACKET:
+ return "Stopped - Short Packet";
+ case COMP_MAX_EXIT_LATENCY_TOO_LARGE_ERROR:
+ return "Max Exit Latency Too Large Error";
+ case COMP_ISOCH_BUFFER_OVERRUN:
+ return "Isoch Buffer Overrun";
+ case COMP_EVENT_LOST_ERROR:
+ return "Event Lost Error";
+ case COMP_UNDEFINED_ERROR:
+ return "Undefined Error";
+ case COMP_INVALID_STREAM_ID_ERROR:
+ return "Invalid Stream ID Error";
+ default:
+ return "Unknown!!";
+ }
+}
+
+static inline const char *cdnsp_trb_type_string(u8 type)
+{
+ switch (type) {
+ case TRB_NORMAL:
+ return "Normal";
+ case TRB_SETUP:
+ return "Setup Stage";
+ case TRB_DATA:
+ return "Data Stage";
+ case TRB_STATUS:
+ return "Status Stage";
+ case TRB_ISOC:
+ return "Isoch";
+ case TRB_LINK:
+ return "Link";
+ case TRB_EVENT_DATA:
+ return "Event Data";
+ case TRB_TR_NOOP:
+ return "No-Op";
+ case TRB_ENABLE_SLOT:
+ return "Enable Slot Command";
+ case TRB_DISABLE_SLOT:
+ return "Disable Slot Command";
+ case TRB_ADDR_DEV:
+ return "Address Device Command";
+ case TRB_CONFIG_EP:
+ return "Configure Endpoint Command";
+ case TRB_EVAL_CONTEXT:
+ return "Evaluate Context Command";
+ case TRB_RESET_EP:
+ return "Reset Endpoint Command";
+ case TRB_STOP_RING:
+ return "Stop Ring Command";
+ case TRB_SET_DEQ:
+ return "Set TR Dequeue Pointer Command";
+ case TRB_RESET_DEV:
+ return "Reset Device Command";
+ case TRB_FORCE_HEADER:
+ return "Force Header Command";
+ case TRB_CMD_NOOP:
+ return "No-Op Command";
+ case TRB_TRANSFER:
+ return "Transfer Event";
+ case TRB_COMPLETION:
+ return "Command Completion Event";
+ case TRB_PORT_STATUS:
+ return "Port Status Change Event";
+ case TRB_HC_EVENT:
+ return "Device Controller Event";
+ case TRB_MFINDEX_WRAP:
+ return "MFINDEX Wrap Event";
+ case TRB_ENDPOINT_NRDY:
+ return "Endpoint Not ready";
+ case TRB_HALT_ENDPOINT:
+ return "Halt Endpoint";
+ case TRB_FLUSH_ENDPOINT:
+ return "FLush Endpoint";
+ default:
+ return "UNKNOWN";
+ }
+}
+
+static inline const char *cdnsp_ring_type_string(enum cdnsp_ring_type type)
+{
+ switch (type) {
+ case TYPE_CTRL:
+ return "CTRL";
+ case TYPE_ISOC:
+ return "ISOC";
+ case TYPE_BULK:
+ return "BULK";
+ case TYPE_INTR:
+ return "INTR";
+ case TYPE_STREAM:
+ return "STREAM";
+ case TYPE_COMMAND:
+ return "CMD";
+ case TYPE_EVENT:
+ return "EVENT";
+ }
+
+ return "UNKNOWN";
+}
+
+static inline char *cdnsp_slot_state_string(u32 state)
+{
+ switch (state) {
+ case SLOT_STATE_ENABLED:
+ return "enabled/disabled";
+ case SLOT_STATE_DEFAULT:
+ return "default";
+ case SLOT_STATE_ADDRESSED:
+ return "addressed";
+ case SLOT_STATE_CONFIGURED:
+ return "configured";
+ default:
+ return "reserved";
+ }
+}
+
+static inline const char *cdnsp_decode_trb(char *str, size_t size, u32 field0,
+ u32 field1, u32 field2, u32 field3)
+{
+ int ep_id = TRB_TO_EP_INDEX(field3) - 1;
+ int type = TRB_FIELD_TO_TYPE(field3);
+ unsigned int ep_num;
+ int ret = 0;
+ u32 temp;
+
+ ep_num = DIV_ROUND_UP(ep_id, 2);
+
+ switch (type) {
+ case TRB_LINK:
+ ret += snprintf(str, size,
+ "LINK %08x%08x intr %ld type '%s' flags %c:%c:%c:%c",
+ field1, field0, GET_INTR_TARGET(field2),
+ cdnsp_trb_type_string(type),
+ field3 & TRB_IOC ? 'I' : 'i',
+ field3 & TRB_CHAIN ? 'C' : 'c',
+ field3 & TRB_TC ? 'T' : 't',
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_TRANSFER:
+ case TRB_COMPLETION:
+ case TRB_PORT_STATUS:
+ case TRB_HC_EVENT:
+ ret += snprintf(str, size,
+ "ep%d%s(%d) type '%s' TRB %08x%08x status '%s'"
+ " len %ld slot %ld flags %c:%c",
+ ep_num, ep_id % 2 ? "out" : "in",
+ TRB_TO_EP_INDEX(field3),
+ cdnsp_trb_type_string(type), field1, field0,
+ cdnsp_trb_comp_code_string(GET_COMP_CODE(field2)),
+ EVENT_TRB_LEN(field2), TRB_TO_SLOT_ID(field3),
+ field3 & EVENT_DATA ? 'E' : 'e',
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_MFINDEX_WRAP:
+ ret += snprintf(str, size, "%s: flags %c",
+ cdnsp_trb_type_string(type),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_SETUP:
+ ret += snprintf(str, size,
+ "type '%s' bRequestType %02x bRequest %02x "
+ "wValue %02x%02x wIndex %02x%02x wLength %d "
+ "length %ld TD size %ld intr %ld Setup ID %ld "
+ "flags %c:%c:%c",
+ cdnsp_trb_type_string(type),
+ field0 & 0xff,
+ (field0 & 0xff00) >> 8,
+ (field0 & 0xff000000) >> 24,
+ (field0 & 0xff0000) >> 16,
+ (field1 & 0xff00) >> 8,
+ field1 & 0xff,
+ (field1 & 0xff000000) >> 16 |
+ (field1 & 0xff0000) >> 16,
+ TRB_LEN(field2), GET_TD_SIZE(field2),
+ GET_INTR_TARGET(field2),
+ TRB_SETUPID_TO_TYPE(field3),
+ field3 & TRB_IDT ? 'D' : 'd',
+ field3 & TRB_IOC ? 'I' : 'i',
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_DATA:
+ ret += snprintf(str, size,
+ "type '%s' Buffer %08x%08x length %ld TD size %ld "
+ "intr %ld flags %c:%c:%c:%c:%c:%c:%c",
+ cdnsp_trb_type_string(type),
+ field1, field0, TRB_LEN(field2),
+ GET_TD_SIZE(field2),
+ GET_INTR_TARGET(field2),
+ field3 & TRB_IDT ? 'D' : 'i',
+ field3 & TRB_IOC ? 'I' : 'i',
+ field3 & TRB_CHAIN ? 'C' : 'c',
+ field3 & TRB_NO_SNOOP ? 'S' : 's',
+ field3 & TRB_ISP ? 'I' : 'i',
+ field3 & TRB_ENT ? 'E' : 'e',
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_STATUS:
+ ret += snprintf(str, size,
+ "Buffer %08x%08x length %ld TD size %ld intr"
+ "%ld type '%s' flags %c:%c:%c:%c",
+ field1, field0, TRB_LEN(field2),
+ GET_TD_SIZE(field2),
+ GET_INTR_TARGET(field2),
+ cdnsp_trb_type_string(type),
+ field3 & TRB_IOC ? 'I' : 'i',
+ field3 & TRB_CHAIN ? 'C' : 'c',
+ field3 & TRB_ENT ? 'E' : 'e',
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_NORMAL:
+ case TRB_ISOC:
+ case TRB_EVENT_DATA:
+ case TRB_TR_NOOP:
+ ret += snprintf(str, size,
+ "type '%s' Buffer %08x%08x length %ld "
+ "TD size %ld intr %ld "
+ "flags %c:%c:%c:%c:%c:%c:%c:%c:%c",
+ cdnsp_trb_type_string(type),
+ field1, field0, TRB_LEN(field2),
+ GET_TD_SIZE(field2),
+ GET_INTR_TARGET(field2),
+ field3 & TRB_BEI ? 'B' : 'b',
+ field3 & TRB_IDT ? 'T' : 't',
+ field3 & TRB_IOC ? 'I' : 'i',
+ field3 & TRB_CHAIN ? 'C' : 'c',
+ field3 & TRB_NO_SNOOP ? 'S' : 's',
+ field3 & TRB_ISP ? 'I' : 'i',
+ field3 & TRB_ENT ? 'E' : 'e',
+ field3 & TRB_CYCLE ? 'C' : 'c',
+ !(field3 & TRB_EVENT_INVALIDATE) ? 'V' : 'v');
+ break;
+ case TRB_CMD_NOOP:
+ case TRB_ENABLE_SLOT:
+ ret += snprintf(str, size, "%s: flags %c",
+ cdnsp_trb_type_string(type),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_DISABLE_SLOT:
+ ret += snprintf(str, size, "%s: slot %ld flags %c",
+ cdnsp_trb_type_string(type),
+ TRB_TO_SLOT_ID(field3),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_ADDR_DEV:
+ ret += snprintf(str, size,
+ "%s: ctx %08x%08x slot %ld flags %c:%c",
+ cdnsp_trb_type_string(type), field1, field0,
+ TRB_TO_SLOT_ID(field3),
+ field3 & TRB_BSR ? 'B' : 'b',
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_CONFIG_EP:
+ ret += snprintf(str, size,
+ "%s: ctx %08x%08x slot %ld flags %c:%c",
+ cdnsp_trb_type_string(type), field1, field0,
+ TRB_TO_SLOT_ID(field3),
+ field3 & TRB_DC ? 'D' : 'd',
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_EVAL_CONTEXT:
+ ret += snprintf(str, size,
+ "%s: ctx %08x%08x slot %ld flags %c",
+ cdnsp_trb_type_string(type), field1, field0,
+ TRB_TO_SLOT_ID(field3),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_RESET_EP:
+ case TRB_HALT_ENDPOINT:
+ case TRB_FLUSH_ENDPOINT:
+ ret += snprintf(str, size,
+ "%s: ep%d%s(%d) ctx %08x%08x slot %ld flags %c",
+ cdnsp_trb_type_string(type),
+ ep_num, ep_id % 2 ? "out" : "in",
+ TRB_TO_EP_INDEX(field3), field1, field0,
+ TRB_TO_SLOT_ID(field3),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_STOP_RING:
+ ret += snprintf(str, size,
+ "%s: ep%d%s(%d) slot %ld sp %d flags %c",
+ cdnsp_trb_type_string(type),
+ ep_num, ep_id % 2 ? "out" : "in",
+ TRB_TO_EP_INDEX(field3),
+ TRB_TO_SLOT_ID(field3),
+ TRB_TO_SUSPEND_PORT(field3),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_SET_DEQ:
+ ret += snprintf(str, size,
+ "%s: ep%d%s(%d) deq %08x%08x stream %ld slot %ld flags %c",
+ cdnsp_trb_type_string(type),
+ ep_num, ep_id % 2 ? "out" : "in",
+ TRB_TO_EP_INDEX(field3), field1, field0,
+ TRB_TO_STREAM_ID(field2),
+ TRB_TO_SLOT_ID(field3),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_RESET_DEV:
+ ret += snprintf(str, size, "%s: slot %ld flags %c",
+ cdnsp_trb_type_string(type),
+ TRB_TO_SLOT_ID(field3),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_ENDPOINT_NRDY:
+ temp = TRB_TO_HOST_STREAM(field2);
+
+ ret += snprintf(str, size,
+ "%s: ep%d%s(%d) H_SID %x%s%s D_SID %lx flags %c:%c",
+ cdnsp_trb_type_string(type),
+ ep_num, ep_id % 2 ? "out" : "in",
+ TRB_TO_EP_INDEX(field3), temp,
+ temp == STREAM_PRIME_ACK ? "(PRIME)" : "",
+ temp == STREAM_REJECTED ? "(REJECTED)" : "",
+ TRB_TO_DEV_STREAM(field0),
+ field3 & TRB_STAT ? 'S' : 's',
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ default:
+ ret += snprintf(str, size,
+ "type '%s' -> raw %08x %08x %08x %08x",
+ cdnsp_trb_type_string(type),
+ field0, field1, field2, field3);
+ }
+
+ return str;
+}
+
+static inline const char *cdnsp_decode_slot_context(u32 info, u32 info2,
+ u32 int_target, u32 state)
+{
+ static char str[1024];
+ int ret = 0;
+ u32 speed;
+ char *s;
+
+ speed = info & DEV_SPEED;
+
+ switch (speed) {
+ case SLOT_SPEED_FS:
+ s = "full-speed";
+ break;
+ case SLOT_SPEED_HS:
+ s = "high-speed";
+ break;
+ case SLOT_SPEED_SS:
+ s = "super-speed";
+ break;
+ case SLOT_SPEED_SSP:
+ s = "super-speed plus";
+ break;
+ default:
+ s = "UNKNOWN speed";
+ }
+
+ ret = sprintf(str, "%s Ctx Entries %d",
+ s, (info & LAST_CTX_MASK) >> 27);
+
+ ret += sprintf(str + ret, " [Intr %ld] Addr %ld State %s",
+ GET_INTR_TARGET(int_target), state & DEV_ADDR_MASK,
+ cdnsp_slot_state_string(GET_SLOT_STATE(state)));
+
+ return str;
+}
+
+static inline const char *cdnsp_portsc_link_state_string(u32 portsc)
+{
+ switch (portsc & PORT_PLS_MASK) {
+ case XDEV_U0:
+ return "U0";
+ case XDEV_U1:
+ return "U1";
+ case XDEV_U2:
+ return "U2";
+ case XDEV_U3:
+ return "U3";
+ case XDEV_DISABLED:
+ return "Disabled";
+ case XDEV_RXDETECT:
+ return "RxDetect";
+ case XDEV_INACTIVE:
+ return "Inactive";
+ case XDEV_POLLING:
+ return "Polling";
+ case XDEV_RECOVERY:
+ return "Recovery";
+ case XDEV_HOT_RESET:
+ return "Hot Reset";
+ case XDEV_COMP_MODE:
+ return "Compliance mode";
+ case XDEV_TEST_MODE:
+ return "Test mode";
+ case XDEV_RESUME:
+ return "Resume";
+ default:
+ break;
+ }
+
+ return "Unknown";
+}
+
+static inline const char *cdnsp_decode_portsc(char *str, size_t size,
+ u32 portsc)
+{
+ int ret;
+
+ ret = snprintf(str, size, "%s %s %s Link:%s PortSpeed:%d ",
+ portsc & PORT_POWER ? "Powered" : "Powered-off",
+ portsc & PORT_CONNECT ? "Connected" : "Not-connected",
+ portsc & PORT_PED ? "Enabled" : "Disabled",
+ cdnsp_portsc_link_state_string(portsc),
+ DEV_PORT_SPEED(portsc));
+
+ if (portsc & PORT_RESET)
+ ret += snprintf(str + ret, size - ret, "In-Reset ");
+
+ ret += snprintf(str + ret, size - ret, "Change: ");
+ if (portsc & PORT_CSC)
+ ret += snprintf(str + ret, size - ret, "CSC ");
+ if (portsc & PORT_WRC)
+ ret += snprintf(str + ret, size - ret, "WRC ");
+ if (portsc & PORT_RC)
+ ret += snprintf(str + ret, size - ret, "PRC ");
+ if (portsc & PORT_PLC)
+ ret += snprintf(str + ret, size - ret, "PLC ");
+ if (portsc & PORT_CEC)
+ ret += snprintf(str + ret, size - ret, "CEC ");
+ ret += snprintf(str + ret, size - ret, "Wake: ");
+ if (portsc & PORT_WKCONN_E)
+ ret += snprintf(str + ret, size - ret, "WCE ");
+ if (portsc & PORT_WKDISC_E)
+ ret += snprintf(str + ret, size - ret, "WDE ");
+
+ return str;
+}
+
+static inline const char *cdnsp_ep_state_string(u8 state)
+{
+ switch (state) {
+ case EP_STATE_DISABLED:
+ return "disabled";
+ case EP_STATE_RUNNING:
+ return "running";
+ case EP_STATE_HALTED:
+ return "halted";
+ case EP_STATE_STOPPED:
+ return "stopped";
+ case EP_STATE_ERROR:
+ return "error";
+ default:
+ return "INVALID";
+ }
+}
+
+static inline const char *cdnsp_ep_type_string(u8 type)
+{
+ switch (type) {
+ case ISOC_OUT_EP:
+ return "Isoc OUT";
+ case BULK_OUT_EP:
+ return "Bulk OUT";
+ case INT_OUT_EP:
+ return "Int OUT";
+ case CTRL_EP:
+ return "Ctrl";
+ case ISOC_IN_EP:
+ return "Isoc IN";
+ case BULK_IN_EP:
+ return "Bulk IN";
+ case INT_IN_EP:
+ return "Int IN";
+ default:
+ return "INVALID";
+ }
+}
+
+static inline const char *cdnsp_decode_ep_context(char *str, size_t size,
+ u32 info, u32 info2,
+ u64 deq, u32 tx_info)
+{
+ u8 max_pstr, ep_state, interval, ep_type, burst, cerr, mult;
+ bool lsa, hid;
+ u16 maxp, avg;
+ u32 esit;
+ int ret;
+
+ esit = CTX_TO_MAX_ESIT_PAYLOAD_HI(info) << 16 |
+ CTX_TO_MAX_ESIT_PAYLOAD_LO(tx_info);
+
+ ep_state = info & EP_STATE_MASK;
+ max_pstr = CTX_TO_EP_MAXPSTREAMS(info);
+ interval = CTX_TO_EP_INTERVAL(info);
+ mult = CTX_TO_EP_MULT(info) + 1;
+ lsa = !!(info & EP_HAS_LSA);
+
+ cerr = (info2 & (3 << 1)) >> 1;
+ ep_type = CTX_TO_EP_TYPE(info2);
+ hid = !!(info2 & (1 << 7));
+ burst = CTX_TO_MAX_BURST(info2);
+ maxp = MAX_PACKET_DECODED(info2);
+
+ avg = EP_AVG_TRB_LENGTH(tx_info);
+
+ ret = snprintf(str, size, "State %s mult %d max P. Streams %d %s",
+ cdnsp_ep_state_string(ep_state), mult,
+ max_pstr, lsa ? "LSA " : "");
+
+ ret += snprintf(str + ret, size - ret,
+ "interval %d us max ESIT payload %d CErr %d ",
+ (1 << interval) * 125, esit, cerr);
+
+ ret += snprintf(str + ret, size - ret,
+ "Type %s %sburst %d maxp %d deq %016llx ",
+ cdnsp_ep_type_string(ep_type), hid ? "HID" : "",
+ burst, maxp, deq);
+
+ ret += snprintf(str + ret, size - ret, "avg trb len %d", avg);
+
+ return str;
+}
+
+#endif /*__LINUX_CDNSP_DEBUG*/
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 05:51:03 +0100