1 /* SPDX-License-Identifier: GPL-2.0 */
3  * Cadence USBHS-DEV Driver.
14 static inline const char *cdns2_decode_usb_irq(char *str, size_t size,  in cdns2_decode_usb_irq()  argument
19 	ret = scnprintf(str, size, "usbirq: 0x%02x - ", usb_irq);  in cdns2_decode_usb_irq()
22 		ret += scnprintf(str + ret, size - ret, "SOF ");  in cdns2_decode_usb_irq()
24 		ret += scnprintf(str + ret, size - ret, "SUTOK ");  in cdns2_decode_usb_irq()
26 		ret += scnprintf(str + ret, size - ret, "SETUP ");  in cdns2_decode_usb_irq()
28 		ret += scnprintf(str + ret, size - ret, "Suspend ");  in cdns2_decode_usb_irq()
30 		ret += scnprintf(str + ret, size - ret, "Reset ");  in cdns2_decode_usb_irq()
32 		ret += scnprintf(str + ret, size - ret, "HS ");  in cdns2_decode_usb_irq()
34 		ret += scnprintf(str + ret, size - ret, "LPM ");  in cdns2_decode_usb_irq()
36 	ret += scnprintf(str + ret, size - ret, ", EXT: 0x%02x - ", ext_irq);  in cdns2_decode_usb_irq()
39 		ret += scnprintf(str + ret, size - ret, "Wakeup ");  in cdns2_decode_usb_irq()
41 		ret += scnprintf(str + ret, size - ret, "VBUS_FALL ");  in cdns2_decode_usb_irq()
43 		ret += scnprintf(str + ret, size - ret, "VBUS_RISE ");  in cdns2_decode_usb_irq()
45 	if (ret == size - 1)  in cdns2_decode_usb_irq()
51 static inline const char *cdns2_decode_dma_irq(char *str, size_t size,  in cdns2_decode_dma_irq()  argument
57 	ret = scnprintf(str, size, "ISTS: %08x, %s: %08x ",  in cdns2_decode_dma_irq()
61 		ret += scnprintf(str + ret, size - ret, "IOC ");  in cdns2_decode_dma_irq()
63 		ret += scnprintf(str + ret, size - ret, "ISP ");  in cdns2_decode_dma_irq()
65 		ret += scnprintf(str + ret, size - ret, "DESCMIS ");  in cdns2_decode_dma_irq()
67 		ret += scnprintf(str + ret, size - ret, "TRBERR ");  in cdns2_decode_dma_irq()
69 		ret += scnprintf(str + ret, size - ret, "OUTSMM ");  in cdns2_decode_dma_irq()
71 		ret += scnprintf(str + ret, size - ret, "ISOERR ");  in cdns2_decode_dma_irq()
73 		ret += scnprintf(str + ret, size - ret, "DBUSY ");  in cdns2_decode_dma_irq()
75 		ret += scnprintf(str + ret, size - ret, "CCS ");  in cdns2_decode_dma_irq()
77 	if (ret == size - 1)  in cdns2_decode_dma_irq()
83 static inline const char *cdns2_decode_epx_irq(char *str, size_t size,  in cdns2_decode_epx_irq()  argument
87 	return cdns2_decode_dma_irq(str, size, ep_ists, ep_sts, ep_name);  in cdns2_decode_epx_irq()
90 static inline const char *cdns2_decode_ep0_irq(char *str, size_t size,  in cdns2_decode_ep0_irq()  argument
94 	return cdns2_decode_dma_irq(str, size, ep_ists, ep_sts,  in cdns2_decode_ep0_irq()
100 					 char *str, size_t size)  in cdns2_raw_ring()  argument
102 	struct cdns2_ring *ring = &pep->ring;  in cdns2_raw_ring()
108 	ret = scnprintf(str, size, "\n\t\tTR for %s:", pep->name);  in cdns2_raw_ring()
110 	trb = &trbs[ring->dequeue];  in cdns2_raw_ring()
112 	ret += scnprintf(str + ret, size - ret,  in cdns2_raw_ring()
113 			 "\n\t\tRing deq index: %d, trb: V=%p, P=0x%pad\n",  in cdns2_raw_ring()
114 			 ring->dequeue, trb, &dma);  in cdns2_raw_ring()
116 	trb = &trbs[ring->enqueue];  in cdns2_raw_ring()
118 	ret += scnprintf(str + ret, size - ret,  in cdns2_raw_ring()
119 			 "\t\tRing enq index: %d, trb: V=%p, P=0x%pad\n",  in cdns2_raw_ring()
120 			 ring->enqueue, trb, &dma);  in cdns2_raw_ring()
122 	ret += scnprintf(str + ret, size - ret,  in cdns2_raw_ring()
124 			 ring->free_trbs, ring->ccs, ring->pcs);  in cdns2_raw_ring()
127 		ret += scnprintf(str + ret, size - ret,  in cdns2_raw_ring()
132 	dma = ring->dma;  in cdns2_raw_ring()
135 		ret += scnprintf(str + ret, size - ret,  in cdns2_raw_ring()
136 				 "\t\t@%pad %08x %08x %08x\n", &dma,  in cdns2_raw_ring()
137 				 le32_to_cpu(trb->buffer),  in cdns2_raw_ring()
138 				 le32_to_cpu(trb->length),  in cdns2_raw_ring()
139 				 le32_to_cpu(trb->control));  in cdns2_raw_ring()
143 	if (ret == size - 1)  in cdns2_raw_ring()
161 static inline const char *cdns2_decode_trb(char *str, size_t size, u32 flags,  in cdns2_decode_trb()  argument
169 		ret = scnprintf(str, size,  in cdns2_decode_trb()
170 				"LINK %08x type '%s' flags %c:%c:%c%c:%c",  in cdns2_decode_trb()
179 		ret = scnprintf(str, size,  in cdns2_decode_trb()
180 				"type: '%s', Buffer: %08x, length: %ld, burst len: %ld, "  in cdns2_decode_trb()
192 		ret = scnprintf(str, size, "type '%s' -> raw %08x %08x %08x",  in cdns2_decode_trb()
197 	if (ret == size - 1)  in cdns2_decode_trb()