^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Freescale QUICC Engine USB Host Controller Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) Freescale Semicondutor, Inc. 2006, 2011.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Shlomi Gridish <gridish@freescale.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Jerry Huang <Chang-Ming.Huang@freescale.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright (c) Logic Product Development, Inc. 2007
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Peter Barada <peterb@logicpd.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Copyright (c) MontaVista Software, Inc. 2008.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * Anton Vorontsov <avorontsov@ru.mvista.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/spinlock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/usb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/usb/hcd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <soc/fsl/qe/qe.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <asm/fsl_gtm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include "fhci.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static void recycle_frame(struct fhci_usb *usb, struct packet *pkt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) pkt->data = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) pkt->len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) pkt->status = USB_TD_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) pkt->info = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) pkt->priv_data = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) cq_put(&usb->ep0->empty_frame_Q, pkt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) /* confirm submitted packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) void fhci_transaction_confirm(struct fhci_usb *usb, struct packet *pkt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct td *td;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct packet *td_pkt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct ed *ed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) u32 trans_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) bool td_done = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) td = fhci_remove_td_from_frame(usb->actual_frame);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) td_pkt = td->pkt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) trans_len = pkt->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) td->status = pkt->status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) if (td->type == FHCI_TA_IN && td_pkt->info & PKT_DUMMY_PACKET) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) if ((td->data + td->actual_len) && trans_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) memcpy(td->data + td->actual_len, pkt->data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) trans_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) cq_put(&usb->ep0->dummy_packets_Q, pkt->data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) recycle_frame(usb, pkt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) ed = td->ed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) if (ed->mode == FHCI_TF_ISO) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) if (ed->td_list.next->next != &ed->td_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) struct td *td_next =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) list_entry(ed->td_list.next->next, struct td,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) td_next->start_frame = usb->actual_frame->frame_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) td->actual_len = trans_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) td_done = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) } else if ((td->status & USB_TD_ERROR) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) !(td->status & USB_TD_TX_ER_NAK)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * There was an error on the transaction (but not NAK).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * If it is fatal error (data underrun, stall, bad pid or 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * errors exceeded), mark this TD as done.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) if ((td->status & USB_TD_RX_DATA_UNDERUN) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) (td->status & USB_TD_TX_ER_STALL) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) (td->status & USB_TD_RX_ER_PID) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) (++td->error_cnt >= 3)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) ed->state = FHCI_ED_HALTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) td_done = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) if (td->status & USB_TD_RX_DATA_UNDERUN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) fhci_dbg(usb->fhci, "td err fu\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) td->toggle = !td->toggle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) td->actual_len += trans_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) fhci_dbg(usb->fhci, "td err f!u\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) fhci_dbg(usb->fhci, "td err !f\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) /* it is not a fatal error -retry this transaction */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) td->nak_cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) td->error_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) td->status = USB_TD_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) } else if (td->status & USB_TD_TX_ER_NAK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) /* there was a NAK response */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) fhci_vdbg(usb->fhci, "td nack\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) td->nak_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) td->error_cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) td->status = USB_TD_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) /* there was no error on transaction */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) td->error_cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) td->nak_cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) td->toggle = !td->toggle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) td->actual_len += trans_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) if (td->len == td->actual_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) td_done = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) if (td_done)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) fhci_move_td_from_ed_to_done_list(usb, ed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) * Flush all transmitted packets from BDs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) * This routine is called when disabling the USB port to flush all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) * transmissions that are already scheduled in the BDs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) void fhci_flush_all_transmissions(struct fhci_usb *usb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) u8 mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct td *td;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) mode = in_8(&usb->fhci->regs->usb_usmod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) clrbits8(&usb->fhci->regs->usb_usmod, USB_MODE_EN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) fhci_flush_bds(usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) while ((td = fhci_peek_td_from_frame(usb->actual_frame)) != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct packet *pkt = td->pkt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) pkt->status = USB_TD_TX_ER_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) fhci_transaction_confirm(usb, pkt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) usb->actual_frame->frame_status = FRAME_END_TRANSMISSION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) /* reset the event register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) out_be16(&usb->fhci->regs->usb_usber, 0xffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) /* enable the USB controller */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) out_8(&usb->fhci->regs->usb_usmod, mode | USB_MODE_EN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) * This function forms the packet and transmit the packet. This function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) * will handle all endpoint type:ISO,interrupt,control and bulk
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) static int add_packet(struct fhci_usb *usb, struct ed *ed, struct td *td)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) u32 fw_transaction_time, len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) struct packet *pkt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) u8 *data = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) /* calcalate data address,len and toggle and then add the transaction */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) if (td->toggle == USB_TD_TOGGLE_CARRY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) td->toggle = ed->toggle_carry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) switch (ed->mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) case FHCI_TF_ISO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) len = td->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) if (td->type != FHCI_TA_IN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) data = td->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) case FHCI_TF_CTRL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) case FHCI_TF_BULK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) len = min(td->len - td->actual_len, ed->max_pkt_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) if (!((td->type == FHCI_TA_IN) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) ((len + td->actual_len) == td->len)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) data = td->data + td->actual_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) case FHCI_TF_INTR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) len = min(td->len, ed->max_pkt_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) if (!((td->type == FHCI_TA_IN) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) ((td->len + CRC_SIZE) >= ed->max_pkt_size)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) data = td->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) if (usb->port_status == FHCI_PORT_FULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) fw_transaction_time = (((len + PROTOCOL_OVERHEAD) * 11) >> 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) fw_transaction_time = ((len + PROTOCOL_OVERHEAD) * 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) /* check if there's enough space in this frame to submit this TD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) if (usb->actual_frame->total_bytes + len + PROTOCOL_OVERHEAD >=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) usb->max_bytes_per_frame) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) fhci_vdbg(usb->fhci, "not enough space in this frame: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) "%d %d %d\n", usb->actual_frame->total_bytes, len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) usb->max_bytes_per_frame);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) /* check if there's enough time in this frame to submit this TD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) if (usb->actual_frame->frame_status != FRAME_IS_PREPARED &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) (usb->actual_frame->frame_status & FRAME_END_TRANSMISSION ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) (fw_transaction_time + usb->sw_transaction_time >=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 1000 - fhci_get_sof_timer_count(usb)))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) fhci_dbg(usb->fhci, "not enough time in this frame\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) /* update frame object fields before transmitting */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) pkt = cq_get(&usb->ep0->empty_frame_Q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) if (!pkt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) fhci_dbg(usb->fhci, "there is no empty frame\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) td->pkt = pkt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) pkt->info = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) if (data == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) data = cq_get(&usb->ep0->dummy_packets_Q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) BUG_ON(!data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) pkt->info = PKT_DUMMY_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) pkt->data = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) pkt->len = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) pkt->status = USB_TD_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) /* update TD status field before transmitting */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) td->status = USB_TD_INPROGRESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) /* update actual frame time object with the actual transmission */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) usb->actual_frame->total_bytes += (len + PROTOCOL_OVERHEAD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) fhci_add_td_to_frame(usb->actual_frame, td);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) if (usb->port_status != FHCI_PORT_FULL &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) usb->port_status != FHCI_PORT_LOW) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) pkt->status = USB_TD_TX_ER_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) pkt->len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) fhci_transaction_confirm(usb, pkt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) } else if (fhci_host_transaction(usb, pkt, td->type, ed->dev_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) ed->ep_addr, ed->mode, ed->speed, td->toggle)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) /* remove TD from actual frame */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) list_del_init(&td->frame_lh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) td->status = USB_TD_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) if (pkt->info & PKT_DUMMY_PACKET)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) cq_put(&usb->ep0->dummy_packets_Q, pkt->data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) recycle_frame(usb, pkt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) usb->actual_frame->total_bytes -= (len + PROTOCOL_OVERHEAD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) fhci_err(usb->fhci, "host transaction failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) static void move_head_to_tail(struct list_head *list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) struct list_head *node = list->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) if (!list_empty(list)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) list_move_tail(node, list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) * This function goes through the endpoint list and schedules the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) * transactions within this list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) static int scan_ed_list(struct fhci_usb *usb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) struct list_head *list, enum fhci_tf_mode list_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) static const int frame_part[4] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) [FHCI_TF_CTRL] = MAX_BYTES_PER_FRAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) [FHCI_TF_ISO] = (MAX_BYTES_PER_FRAME *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) MAX_PERIODIC_FRAME_USAGE) / 100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) [FHCI_TF_BULK] = MAX_BYTES_PER_FRAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) [FHCI_TF_INTR] = (MAX_BYTES_PER_FRAME *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) MAX_PERIODIC_FRAME_USAGE) / 100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) struct ed *ed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) struct td *td;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) int ans = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) u32 save_transaction_time = usb->sw_transaction_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) list_for_each_entry(ed, list, node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) td = ed->td_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) if (!td || td->status == USB_TD_INPROGRESS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) if (ed->state != FHCI_ED_OPER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) if (ed->state == FHCI_ED_URB_DEL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) td->status = USB_TD_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) fhci_move_td_from_ed_to_done_list(usb, ed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) ed->state = FHCI_ED_SKIP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) * if it isn't interrupt pipe or it is not iso pipe and the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) * interval time passed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) if ((list_type == FHCI_TF_INTR || list_type == FHCI_TF_ISO) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) (((usb->actual_frame->frame_num -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) td->start_frame) & 0x7ff) < td->interval))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) if (add_packet(usb, ed, td) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) /* update time stamps in the TD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) td->start_frame = usb->actual_frame->frame_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) usb->sw_transaction_time += save_transaction_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) if (usb->actual_frame->total_bytes >=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) usb->max_bytes_per_frame) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) usb->actual_frame->frame_status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) FRAME_DATA_END_TRANSMISSION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) fhci_push_dummy_bd(usb->ep0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) ans = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) if (usb->actual_frame->total_bytes >= frame_part[list_type])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) /* be fair to each ED(move list head around) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) move_head_to_tail(list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) usb->sw_transaction_time = save_transaction_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) return ans;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) static u32 rotate_frames(struct fhci_usb *usb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) struct fhci_hcd *fhci = usb->fhci;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) if (!list_empty(&usb->actual_frame->tds_list)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) if ((((in_be16(&fhci->pram->frame_num) & 0x07ff) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) usb->actual_frame->frame_num) & 0x7ff) > 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) fhci_flush_actual_frame(usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) usb->actual_frame->frame_status = FRAME_IS_PREPARED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) usb->actual_frame->frame_num = in_be16(&fhci->pram->frame_num) & 0x7ff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) usb->actual_frame->total_bytes = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) * This function schedule the USB transaction and will process the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) * endpoint in the following order: iso, interrupt, control and bulk.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) void fhci_schedule_transactions(struct fhci_usb *usb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) int left = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) if (usb->actual_frame->frame_status & FRAME_END_TRANSMISSION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) if (rotate_frames(usb) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) if (usb->actual_frame->frame_status & FRAME_END_TRANSMISSION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) if (usb->actual_frame->total_bytes == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) * schedule the next available ISO transfer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) *or next stage of the ISO transfer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) scan_ed_list(usb, &usb->hc_list->iso_list, FHCI_TF_ISO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) * schedule the next available interrupt transfer or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) * the next stage of the interrupt transfer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) scan_ed_list(usb, &usb->hc_list->intr_list, FHCI_TF_INTR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) * schedule the next available control transfer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) * or the next stage of the control transfer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) left = scan_ed_list(usb, &usb->hc_list->ctrl_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) FHCI_TF_CTRL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) * schedule the next available bulk transfer or the next stage of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) * bulk transfer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) if (left > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) scan_ed_list(usb, &usb->hc_list->bulk_list, FHCI_TF_BULK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) /* Handles SOF interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) static void sof_interrupt(struct fhci_hcd *fhci)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) struct fhci_usb *usb = fhci->usb_lld;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) if ((usb->port_status == FHCI_PORT_DISABLED) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) (usb->vroot_hub->port.wPortStatus & USB_PORT_STAT_CONNECTION) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) !(usb->vroot_hub->port.wPortChange & USB_PORT_STAT_C_CONNECTION)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) if (usb->vroot_hub->port.wPortStatus & USB_PORT_STAT_LOW_SPEED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) usb->port_status = FHCI_PORT_LOW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) usb->port_status = FHCI_PORT_FULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) /* Disable IDLE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) usb->saved_msk &= ~USB_E_IDLE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) out_be16(&usb->fhci->regs->usb_usbmr, usb->saved_msk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) gtm_set_exact_timer16(fhci->timer, usb->max_frame_usage, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) fhci_host_transmit_actual_frame(usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) usb->actual_frame->frame_status = FRAME_IS_TRANSMITTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) fhci_schedule_transactions(usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) /* Handles device disconnected interrupt on port */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) void fhci_device_disconnected_interrupt(struct fhci_hcd *fhci)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) struct fhci_usb *usb = fhci->usb_lld;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) fhci_dbg(fhci, "-> %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) fhci_usb_disable_interrupt(usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) clrbits8(&usb->fhci->regs->usb_usmod, USB_MODE_LSS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) usb->port_status = FHCI_PORT_DISABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) fhci_stop_sof_timer(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) /* Enable IDLE since we want to know if something comes along */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) usb->saved_msk |= USB_E_IDLE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) out_be16(&usb->fhci->regs->usb_usbmr, usb->saved_msk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) usb->vroot_hub->port.wPortStatus &= ~USB_PORT_STAT_CONNECTION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) usb->vroot_hub->port.wPortChange |= USB_PORT_STAT_C_CONNECTION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) usb->max_bytes_per_frame = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) fhci_usb_enable_interrupt(usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) fhci_dbg(fhci, "<- %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) /* detect a new device connected on the USB port */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) void fhci_device_connected_interrupt(struct fhci_hcd *fhci)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) struct fhci_usb *usb = fhci->usb_lld;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) int state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) fhci_dbg(fhci, "-> %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) fhci_usb_disable_interrupt(usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) state = fhci_ioports_check_bus_state(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) /* low-speed device was connected to the USB port */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) if (state == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) ret = qe_usb_clock_set(fhci->lowspeed_clk, USB_CLOCK >> 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) fhci_warn(fhci, "Low-Speed device is not supported, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) "try use BRGx\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) usb->port_status = FHCI_PORT_LOW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) setbits8(&usb->fhci->regs->usb_usmod, USB_MODE_LSS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) usb->vroot_hub->port.wPortStatus |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) (USB_PORT_STAT_LOW_SPEED |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) USB_PORT_STAT_CONNECTION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) usb->vroot_hub->port.wPortChange |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) USB_PORT_STAT_C_CONNECTION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) usb->max_bytes_per_frame =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) (MAX_BYTES_PER_FRAME >> 3) - 7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) fhci_port_enable(usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) } else if (state == 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) ret = qe_usb_clock_set(fhci->fullspeed_clk, USB_CLOCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) fhci_warn(fhci, "Full-Speed device is not supported, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) "try use CLKx\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) usb->port_status = FHCI_PORT_FULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) clrbits8(&usb->fhci->regs->usb_usmod, USB_MODE_LSS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) usb->vroot_hub->port.wPortStatus &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) ~USB_PORT_STAT_LOW_SPEED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) usb->vroot_hub->port.wPortStatus |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) USB_PORT_STAT_CONNECTION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) usb->vroot_hub->port.wPortChange |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) USB_PORT_STAT_C_CONNECTION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) usb->max_bytes_per_frame = (MAX_BYTES_PER_FRAME - 15);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) fhci_port_enable(usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) fhci_usb_enable_interrupt(usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) fhci_dbg(fhci, "<- %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) irqreturn_t fhci_frame_limit_timer_irq(int irq, void *_hcd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) struct usb_hcd *hcd = _hcd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) struct fhci_hcd *fhci = hcd_to_fhci(hcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) struct fhci_usb *usb = fhci->usb_lld;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) spin_lock(&fhci->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) gtm_set_exact_timer16(fhci->timer, 1000, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) if (usb->actual_frame->frame_status == FRAME_IS_TRANSMITTED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) usb->actual_frame->frame_status = FRAME_TIMER_END_TRANSMISSION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) fhci_push_dummy_bd(usb->ep0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) fhci_schedule_transactions(usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) spin_unlock(&fhci->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) /* Cancel transmission on the USB endpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) static void abort_transmission(struct fhci_usb *usb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) fhci_dbg(usb->fhci, "-> %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) /* issue stop Tx command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) qe_issue_cmd(QE_USB_STOP_TX, QE_CR_SUBBLOCK_USB, EP_ZERO, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) /* flush Tx FIFOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) out_8(&usb->fhci->regs->usb_uscom, USB_CMD_FLUSH_FIFO | EP_ZERO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) udelay(1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) /* reset Tx BDs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) fhci_flush_bds(usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) /* issue restart Tx command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) qe_issue_cmd(QE_USB_RESTART_TX, QE_CR_SUBBLOCK_USB, EP_ZERO, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) fhci_dbg(usb->fhci, "<- %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) irqreturn_t fhci_irq(struct usb_hcd *hcd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) struct fhci_hcd *fhci = hcd_to_fhci(hcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) struct fhci_usb *usb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) u16 usb_er = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) spin_lock_irqsave(&fhci->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) usb = fhci->usb_lld;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) usb_er |= in_be16(&usb->fhci->regs->usb_usber) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) in_be16(&usb->fhci->regs->usb_usbmr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) /* clear event bits for next time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) out_be16(&usb->fhci->regs->usb_usber, usb_er);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) fhci_dbg_isr(fhci, usb_er);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) if (usb_er & USB_E_RESET_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) if ((usb->port_status == FHCI_PORT_FULL) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) (usb->port_status == FHCI_PORT_LOW)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) fhci_device_disconnected_interrupt(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) usb_er &= ~USB_E_IDLE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) } else if (usb->port_status == FHCI_PORT_WAITING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) usb->port_status = FHCI_PORT_DISCONNECTING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) /* Turn on IDLE since we want to disconnect */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) usb->saved_msk |= USB_E_IDLE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) out_be16(&usb->fhci->regs->usb_usber,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) usb->saved_msk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) } else if (usb->port_status == FHCI_PORT_DISABLED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) if (fhci_ioports_check_bus_state(fhci) == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) fhci_device_connected_interrupt(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) usb_er &= ~USB_E_RESET_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) if (usb_er & USB_E_MSF_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) abort_transmission(fhci->usb_lld);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) usb_er &= ~USB_E_MSF_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) if (usb_er & (USB_E_SOF_MASK | USB_E_SFT_MASK)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) sof_interrupt(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) usb_er &= ~(USB_E_SOF_MASK | USB_E_SFT_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) if (usb_er & USB_E_TXB_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) fhci_tx_conf_interrupt(fhci->usb_lld);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) usb_er &= ~USB_E_TXB_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) if (usb_er & USB_E_TXE1_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) fhci_tx_conf_interrupt(fhci->usb_lld);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) usb_er &= ~USB_E_TXE1_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) if (usb_er & USB_E_IDLE_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) if (usb->port_status == FHCI_PORT_DISABLED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) usb_er &= ~USB_E_RESET_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) fhci_device_connected_interrupt(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) } else if (usb->port_status ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) FHCI_PORT_DISCONNECTING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) /* XXX usb->port_status = FHCI_PORT_WAITING; */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) /* Disable IDLE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) usb->saved_msk &= ~USB_E_IDLE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) out_be16(&usb->fhci->regs->usb_usbmr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) usb->saved_msk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) fhci_dbg_isr(fhci, -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) usb_er &= ~USB_E_IDLE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) spin_unlock_irqrestore(&fhci->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) * Process normal completions(error or success) and clean the schedule.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) * This is the main path for handing urbs back to drivers. The only other patth
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) * is process_del_list(),which unlinks URBs by scanning EDs,instead of scanning
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) * the (re-reversed) done list as this does.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) static void process_done_list(unsigned long data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) struct urb *urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) struct ed *ed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) struct td *td;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) struct urb_priv *urb_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) struct fhci_hcd *fhci = (struct fhci_hcd *)data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) disable_irq(fhci->timer->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) disable_irq(fhci_to_hcd(fhci)->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) spin_lock(&fhci->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) td = fhci_remove_td_from_done_list(fhci->hc_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) while (td != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) urb = td->urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) urb_priv = urb->hcpriv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) ed = td->ed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) /* update URB's length and status from TD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) fhci_done_td(urb, td);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) urb_priv->tds_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) * if all this urb's TDs are done, call complete()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) * Interrupt transfers are the onley special case:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) * they are reissued,until "deleted" by usb_unlink_urb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) * (real work done in a SOF intr, by process_del_list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) if (urb_priv->tds_cnt == urb_priv->num_of_tds) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) fhci_urb_complete_free(fhci, urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) } else if (urb_priv->state == URB_DEL &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) ed->state == FHCI_ED_SKIP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) fhci_del_ed_list(fhci, ed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) ed->state = FHCI_ED_OPER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) } else if (ed->state == FHCI_ED_HALTED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) urb_priv->state = URB_DEL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) ed->state = FHCI_ED_URB_DEL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) fhci_del_ed_list(fhci, ed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) ed->state = FHCI_ED_OPER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) td = fhci_remove_td_from_done_list(fhci->hc_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) spin_unlock(&fhci->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) enable_irq(fhci->timer->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) enable_irq(fhci_to_hcd(fhci)->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) DECLARE_TASKLET_OLD(fhci_tasklet, process_done_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) /* transfer complted callback */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) u32 fhci_transfer_confirm_callback(struct fhci_hcd *fhci)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) if (!fhci->process_done_task->state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) tasklet_schedule(fhci->process_done_task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) * adds urb to the endpoint descriptor list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) * arguments:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) * fhci data structure for the Low level host controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) * ep USB Host endpoint data structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) * urb USB request block data structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) struct ed *ed = urb->ep->hcpriv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) struct urb_priv *urb_priv = urb->hcpriv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) u32 data_len = urb->transfer_buffer_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) int urb_state = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) int toggle = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) u8 *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) u16 cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) if (ed == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) ed = fhci_get_empty_ed(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) ed->dev_addr = usb_pipedevice(urb->pipe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) ed->ep_addr = usb_pipeendpoint(urb->pipe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) switch (usb_pipetype(urb->pipe)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) case PIPE_CONTROL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) ed->mode = FHCI_TF_CTRL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) case PIPE_BULK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) ed->mode = FHCI_TF_BULK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) case PIPE_INTERRUPT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) ed->mode = FHCI_TF_INTR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) case PIPE_ISOCHRONOUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) ed->mode = FHCI_TF_ISO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) ed->speed = (urb->dev->speed == USB_SPEED_LOW) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) FHCI_LOW_SPEED : FHCI_FULL_SPEED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) ed->max_pkt_size = usb_endpoint_maxp(&urb->ep->desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) urb->ep->hcpriv = ed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) fhci_dbg(fhci, "new ep speed=%d max_pkt_size=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) ed->speed, ed->max_pkt_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) /* for ISO transfer calculate start frame index */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) if (ed->mode == FHCI_TF_ISO) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) /* Ignore the possibility of underruns */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) urb->start_frame = ed->td_head ? ed->next_iso :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) get_frame_num(fhci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) ed->next_iso = (urb->start_frame + urb->interval *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) urb->number_of_packets) & 0x07ff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) * OHCI handles the DATA toggle itself,we just use the USB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) * toggle bits
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) if (usb_gettoggle(urb->dev, usb_pipeendpoint(urb->pipe),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) usb_pipeout(urb->pipe)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) toggle = USB_TD_TOGGLE_CARRY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) toggle = USB_TD_TOGGLE_DATA0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) usb_pipeout(urb->pipe), 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) urb_priv->tds_cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) urb_priv->ed = ed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) if (data_len > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) data = urb->transfer_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) data = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) switch (ed->mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) case FHCI_TF_BULK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) if (urb->transfer_flags & URB_ZERO_PACKET &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) urb->transfer_buffer_length > 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) ((urb->transfer_buffer_length %
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) usb_endpoint_maxp(&urb->ep->desc)) == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) urb_state = US_BULK0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) while (data_len > 4096) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) fhci_td_fill(fhci, urb, urb_priv, ed, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) usb_pipeout(urb->pipe) ? FHCI_TA_OUT :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) FHCI_TA_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) cnt ? USB_TD_TOGGLE_CARRY :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) toggle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) data, 4096, 0, 0, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) data += 4096;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) data_len -= 4096;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) fhci_td_fill(fhci, urb, urb_priv, ed, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) usb_pipeout(urb->pipe) ? FHCI_TA_OUT : FHCI_TA_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) cnt ? USB_TD_TOGGLE_CARRY : toggle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) data, data_len, 0, 0, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) if (urb->transfer_flags & URB_ZERO_PACKET &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) cnt < urb_priv->num_of_tds) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) fhci_td_fill(fhci, urb, urb_priv, ed, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) usb_pipeout(urb->pipe) ? FHCI_TA_OUT :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) FHCI_TA_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) USB_TD_TOGGLE_CARRY, NULL, 0, 0, 0, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) case FHCI_TF_INTR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) urb->start_frame = get_frame_num(fhci) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) usb_pipeout(urb->pipe) ? FHCI_TA_OUT : FHCI_TA_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) USB_TD_TOGGLE_DATA0, data, data_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) urb->interval, urb->start_frame, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) case FHCI_TF_CTRL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) ed->dev_addr = usb_pipedevice(urb->pipe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) ed->max_pkt_size = usb_endpoint_maxp(&urb->ep->desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) /* setup stage */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) fhci_td_fill(fhci, urb, urb_priv, ed, cnt++, FHCI_TA_SETUP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) USB_TD_TOGGLE_DATA0, urb->setup_packet, 8, 0, 0, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) /* data stage */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) if (data_len > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) usb_pipeout(urb->pipe) ? FHCI_TA_OUT :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) FHCI_TA_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) USB_TD_TOGGLE_DATA1, data, data_len, 0, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) /* status stage */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) if (data_len > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) (usb_pipeout(urb->pipe) ? FHCI_TA_IN :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) FHCI_TA_OUT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) USB_TD_TOGGLE_DATA1, data, 0, 0, 0, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) FHCI_TA_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) USB_TD_TOGGLE_DATA1, data, 0, 0, 0, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) urb_state = US_CTRL_SETUP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) case FHCI_TF_ISO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) for (cnt = 0; cnt < urb->number_of_packets; cnt++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) u16 frame = urb->start_frame;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) * FIXME scheduling should handle frame counter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) * roll-around ... exotic case (and OHCI has
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) * a 2^16 iso range, vs other HCs max of 2^10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) frame += cnt * urb->interval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) frame &= 0x07ff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) fhci_td_fill(fhci, urb, urb_priv, ed, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) usb_pipeout(urb->pipe) ? FHCI_TA_OUT :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) FHCI_TA_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) USB_TD_TOGGLE_DATA0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) data + urb->iso_frame_desc[cnt].offset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) urb->iso_frame_desc[cnt].length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) urb->interval, frame, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) * set the state of URB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) * control pipe:3 states -- setup,data,status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) * interrupt and bulk pipe:1 state -- data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) urb->pipe &= ~0x1f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) urb->pipe |= urb_state & 0x1f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) urb_priv->state = URB_INPROGRESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) if (!ed->td_head) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) ed->state = FHCI_ED_OPER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) switch (ed->mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) case FHCI_TF_CTRL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) list_add(&ed->node, &fhci->hc_list->ctrl_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) case FHCI_TF_BULK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) list_add(&ed->node, &fhci->hc_list->bulk_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) case FHCI_TF_INTR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) list_add(&ed->node, &fhci->hc_list->intr_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) case FHCI_TF_ISO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) list_add(&ed->node, &fhci->hc_list->iso_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) fhci_add_tds_to_ed(ed, urb_priv->tds, urb_priv->num_of_tds);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) fhci->active_urbs++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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