From 64b558f597d1e564c67ba55444da4aaf621dc809 Mon Sep 17 00:00:00 2001
From: Pawel Laszczak <pawell@cadence.com>
Date: Mon, 7 Dec 2020 11:32:26 +0100
Subject: usb: cdns3: Change file names for cdns3 driver.
Patch adds prefix cdns3- to all file names related only to
cdns3 driver.
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
---
drivers/usb/cdns3/cdns3-debug.h | 161 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 161 insertions(+)
create mode 100644 drivers/usb/cdns3/cdns3-debug.h
(limited to 'drivers/usb/cdns3/cdns3-debug.h')
diff --git a/drivers/usb/cdns3/cdns3-debug.h b/drivers/usb/cdns3/cdns3-debug.h
new file mode 100644
index 000000000000..a5c6a29e1340
--- /dev/null
+++ b/drivers/usb/cdns3/cdns3-debug.h
@@ -0,0 +1,161 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Cadence USBSS DRD Driver.
+ * Debug header file.
+ *
+ * Copyright (C) 2018-2019 Cadence.
+ *
+ * Author: Pawel Laszczak <pawell@cadence.com>
+ */
+#ifndef __LINUX_CDNS3_DEBUG
+#define __LINUX_CDNS3_DEBUG
+
+#include "core.h"
+
+static inline char *cdns3_decode_usb_irq(char *str,
+ enum usb_device_speed speed,
+ u32 usb_ists)
+{
+ int ret;
+
+ ret = sprintf(str, "IRQ %08x = ", usb_ists);
+
+ if (usb_ists & (USB_ISTS_CON2I | USB_ISTS_CONI)) {
+ ret += sprintf(str + ret, "Connection %s\n",
+ usb_speed_string(speed));
+ }
+ if (usb_ists & USB_ISTS_DIS2I || usb_ists & USB_ISTS_DISI)
+ ret += sprintf(str + ret, "Disconnection ");
+ if (usb_ists & USB_ISTS_L2ENTI)
+ ret += sprintf(str + ret, "suspended ");
+ if (usb_ists & USB_ISTS_L1ENTI)
+ ret += sprintf(str + ret, "L1 enter ");
+ if (usb_ists & USB_ISTS_L1EXTI)
+ ret += sprintf(str + ret, "L1 exit ");
+ if (usb_ists & USB_ISTS_L2ENTI)
+ ret += sprintf(str + ret, "L2 enter ");
+ if (usb_ists & USB_ISTS_L2EXTI)
+ ret += sprintf(str + ret, "L2 exit ");
+ if (usb_ists & USB_ISTS_U3EXTI)
+ ret += sprintf(str + ret, "U3 exit ");
+ if (usb_ists & USB_ISTS_UWRESI)
+ ret += sprintf(str + ret, "Warm Reset ");
+ if (usb_ists & USB_ISTS_UHRESI)
+ ret += sprintf(str + ret, "Hot Reset ");
+ if (usb_ists & USB_ISTS_U2RESI)
+ ret += sprintf(str + ret, "Reset");
+
+ return str;
+}
+
+static inline char *cdns3_decode_ep_irq(char *str,
+ u32 ep_sts,
+ const char *ep_name)
+{
+ int ret;
+
+ ret = sprintf(str, "IRQ for %s: %08x ", ep_name, ep_sts);
+
+ if (ep_sts & EP_STS_SETUP)
+ ret += sprintf(str + ret, "SETUP ");
+ if (ep_sts & EP_STS_IOC)
+ ret += sprintf(str + ret, "IOC ");
+ if (ep_sts & EP_STS_ISP)
+ ret += sprintf(str + ret, "ISP ");
+ if (ep_sts & EP_STS_DESCMIS)
+ ret += sprintf(str + ret, "DESCMIS ");
+ if (ep_sts & EP_STS_STREAMR)
+ ret += sprintf(str + ret, "STREAMR ");
+ if (ep_sts & EP_STS_MD_EXIT)
+ ret += sprintf(str + ret, "MD_EXIT ");
+ if (ep_sts & EP_STS_TRBERR)
+ ret += sprintf(str + ret, "TRBERR ");
+ if (ep_sts & EP_STS_NRDY)
+ ret += sprintf(str + ret, "NRDY ");
+ if (ep_sts & EP_STS_PRIME)
+ ret += sprintf(str + ret, "PRIME ");
+ if (ep_sts & EP_STS_SIDERR)
+ ret += sprintf(str + ret, "SIDERRT ");
+ if (ep_sts & EP_STS_OUTSMM)
+ ret += sprintf(str + ret, "OUTSMM ");
+ if (ep_sts & EP_STS_ISOERR)
+ ret += sprintf(str + ret, "ISOERR ");
+ if (ep_sts & EP_STS_IOT)
+ ret += sprintf(str + ret, "IOT ");
+
+ return str;
+}
+
+static inline char *cdns3_decode_epx_irq(char *str,
+ char *ep_name,
+ u32 ep_sts)
+{
+ return cdns3_decode_ep_irq(str, ep_sts, ep_name);
+}
+
+static inline char *cdns3_decode_ep0_irq(char *str,
+ int dir,
+ u32 ep_sts)
+{
+ return cdns3_decode_ep_irq(str, ep_sts,
+ dir ? "ep0IN" : "ep0OUT");
+}
+
+/**
+ * Debug a transfer ring.
+ *
+ * Prints out all TRBs in the endpoint ring, even those after the Link TRB.
+ *.
+ */
+static inline char *cdns3_dbg_ring(struct cdns3_endpoint *priv_ep,
+ struct cdns3_trb *ring, char *str)
+{
+ dma_addr_t addr = priv_ep->trb_pool_dma;
+ struct cdns3_trb *trb;
+ int trb_per_sector;
+ int ret = 0;
+ int i;
+
+ trb_per_sector = GET_TRBS_PER_SEGMENT(priv_ep->type);
+
+ trb = &priv_ep->trb_pool[priv_ep->dequeue];
+ ret += sprintf(str + ret, "\n\t\tRing contents for %s:", priv_ep->name);
+
+ ret += sprintf(str + ret,
+ "\n\t\tRing deq index: %d, trb: %p (virt), 0x%llx (dma)\n",
+ priv_ep->dequeue, trb,
+ (unsigned long long)cdns3_trb_virt_to_dma(priv_ep, trb));
+
+ trb = &priv_ep->trb_pool[priv_ep->enqueue];
+ ret += sprintf(str + ret,
+ "\t\tRing enq index: %d, trb: %p (virt), 0x%llx (dma)\n",
+ priv_ep->enqueue, trb,
+ (unsigned long long)cdns3_trb_virt_to_dma(priv_ep, trb));
+
+ ret += sprintf(str + ret,
+ "\t\tfree trbs: %d, CCS=%d, PCS=%d\n",
+ priv_ep->free_trbs, priv_ep->ccs, priv_ep->pcs);
+
+ if (trb_per_sector > TRBS_PER_SEGMENT)
+ trb_per_sector = TRBS_PER_SEGMENT;
+
+ if (trb_per_sector > TRBS_PER_SEGMENT) {
+ sprintf(str + ret, "\t\tTransfer ring %d too big\n",
+ trb_per_sector);
+ return str;
+ }
+
+ for (i = 0; i < trb_per_sector; ++i) {
+ trb = &ring[i];
+ ret += sprintf(str + ret,
+ "\t\t@%pad %08x %08x %08x\n", &addr,
+ le32_to_cpu(trb->buffer),
+ le32_to_cpu(trb->length),
+ le32_to_cpu(trb->control));
+ addr += sizeof(*trb);
+ }
+
+ return str;
+}
+
+#endif /*__LINUX_CDNS3_DEBUG*/
--
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