Lines Matching refs:qh
169 static void musb_ep_set_qh(struct musb_hw_ep *ep, int is_in, struct musb_qh *qh) in musb_ep_set_qh() argument
172 ep->in_qh = qh; in musb_ep_set_qh()
174 ep->out_qh = qh; in musb_ep_set_qh()
189 musb_start_urb(struct musb *musb, int is_in, struct musb_qh *qh) in musb_start_urb() argument
194 struct urb *urb = next_urb(qh); in musb_start_urb()
197 struct musb_hw_ep *hw_ep = qh->hw_ep; in musb_start_urb()
203 qh->offset = 0; in musb_start_urb()
204 qh->segsize = 0; in musb_start_urb()
207 switch (qh->type) { in musb_start_urb()
217 qh->iso_idx = 0; in musb_start_urb()
218 qh->frame = 0; in musb_start_urb()
230 qh, urb, address, qh->epnum, in musb_start_urb()
232 ({char *s; switch (qh->type) { in musb_start_urb()
243 musb_ep_set_qh(hw_ep, is_in, qh); in musb_start_urb()
251 switch (qh->type) { in musb_start_urb()
267 qh->frame = 0; in musb_start_urb()
271 qh->frame = urb->start_frame; in musb_start_urb()
314 static inline void musb_save_toggle(struct musb_qh *qh, int is_in, in musb_save_toggle() argument
317 void __iomem *epio = qh->hw_ep->regs; in musb_save_toggle()
330 usb_settoggle(urb->dev, qh->epnum, !is_in, csr ? 1 : 0); in musb_save_toggle()
343 struct musb_qh *qh = musb_ep_get_qh(hw_ep, is_in); in musb_advance_schedule() local
344 struct musb_hw_ep *ep = qh->hw_ep; in musb_advance_schedule()
345 int ready = qh->is_ready; in musb_advance_schedule()
351 switch (qh->type) { in musb_advance_schedule()
354 musb_save_toggle(qh, is_in, urb); in musb_advance_schedule()
364 qh->is_ready = 0; in musb_advance_schedule()
366 qh->is_ready = ready; in musb_advance_schedule()
371 if (list_empty(&qh->hep->urb_list)) { in musb_advance_schedule()
391 qh->hep->hcpriv = NULL; in musb_advance_schedule()
393 switch (qh->type) { in musb_advance_schedule()
400 if (qh->mux == 1) { in musb_advance_schedule()
401 head = qh->ring.prev; in musb_advance_schedule()
402 list_del(&qh->ring); in musb_advance_schedule()
403 kfree(qh); in musb_advance_schedule()
404 qh = first_qh(head); in musb_advance_schedule()
414 kfree(qh); in musb_advance_schedule()
415 qh = NULL; in musb_advance_schedule()
420 if (qh != NULL && qh->is_ready) { in musb_advance_schedule()
422 hw_ep->epnum, is_in ? 'R' : 'T', next_urb(qh)); in musb_advance_schedule()
423 musb_start_urb(musb, is_in, qh); in musb_advance_schedule()
460 struct musb_qh *qh = hw_ep->in_qh; in musb_host_packet_rx() local
467 urb->transfer_buffer, qh->offset, in musb_host_packet_rx()
481 d = urb->iso_frame_desc + qh->iso_idx; in musb_host_packet_rx()
499 done = (++qh->iso_idx >= urb->number_of_packets); in musb_host_packet_rx()
503 buf = buffer + qh->offset; in musb_host_packet_rx()
504 length = urb->transfer_buffer_length - qh->offset; in musb_host_packet_rx()
513 qh->offset += length; in musb_host_packet_rx()
517 || (rx_count < qh->maxpacket) in musb_host_packet_rx()
555 musb_rx_reinit(struct musb *musb, struct musb_qh *qh, struct musb_hw_ep *ep) in musb_rx_reinit() argument
594 musb_write_rxfunaddr(ep->target_regs, qh->addr_reg); in musb_rx_reinit()
595 musb_write_rxhubaddr(ep->target_regs, qh->h_addr_reg); in musb_rx_reinit()
596 musb_write_rxhubport(ep->target_regs, qh->h_port_reg); in musb_rx_reinit()
599 musb_writeb(musb->mregs, MUSB_FADDR, qh->addr_reg); in musb_rx_reinit()
602 musb_writeb(ep->regs, MUSB_RXTYPE, qh->type_reg); in musb_rx_reinit()
603 musb_writeb(ep->regs, MUSB_RXINTERVAL, qh->intv_reg); in musb_rx_reinit()
612 qh->maxpacket | ((qh->hb_mult - 1) << 11)); in musb_rx_reinit()
618 struct musb_hw_ep *hw_ep, struct musb_qh *qh, in musb_tx_dma_program() argument
623 u16 pkt_size = qh->maxpacket; in musb_tx_dma_program()
636 if (qh->hb_mult == 1) in musb_tx_dma_program()
658 qh->segsize = length; in musb_tx_dma_program()
693 struct musb_qh *qh = musb_ep_get_qh(hw_ep, !is_out); in musb_ep_program() local
694 u16 packet_sz = qh->maxpacket; in musb_ep_program()
700 qh->addr_reg, qh->epnum, is_out ? "out" : "in", in musb_ep_program()
701 qh->h_addr_reg, qh->h_port_reg, in musb_ep_program()
755 if (usb_gettoggle(urb->dev, qh->epnum, 1)) in musb_ep_program()
773 musb_write_txfunaddr(mbase, epnum, qh->addr_reg); in musb_ep_program()
774 musb_write_txhubaddr(mbase, epnum, qh->h_addr_reg); in musb_ep_program()
775 musb_write_txhubport(mbase, epnum, qh->h_port_reg); in musb_ep_program()
778 musb_writeb(mbase, MUSB_FADDR, qh->addr_reg); in musb_ep_program()
782 musb_writeb(epio, MUSB_TXTYPE, qh->type_reg); in musb_ep_program()
786 else if (can_bulk_split(musb, qh->type)) in musb_ep_program()
792 qh->maxpacket | in musb_ep_program()
793 ((qh->hb_mult - 1) << 11)); in musb_ep_program()
794 musb_writeb(epio, MUSB_TXINTERVAL, qh->intv_reg); in musb_ep_program()
796 musb_writeb(epio, MUSB_NAKLIMIT0, qh->intv_reg); in musb_ep_program()
799 qh->type_reg); in musb_ep_program()
802 if (can_bulk_split(musb, qh->type)) in musb_ep_program()
809 hw_ep, qh, urb, offset, len)) in musb_ep_program()
814 qh->segsize = load_count; in musb_ep_program()
826 musb_rx_reinit(musb, qh, hw_ep); in musb_ep_program()
829 if (usb_gettoggle(urb->dev, qh->epnum, 0)) in musb_ep_program()
834 if (qh->type == USB_ENDPOINT_XFER_INT) in musb_ep_program()
855 qh->segsize = len; in musb_ep_program()
869 qh->segsize); in musb_ep_program()
895 struct musb_qh *qh = hw_ep->in_qh; in musb_h_ep0_continue() local
909 if (len < qh->maxpacket) { in musb_h_ep0_continue()
935 fifo_count = min_t(size_t, qh->maxpacket, in musb_h_ep0_continue()
973 struct musb_qh *qh = hw_ep->in_qh; in musb_h_ep0_irq() local
978 urb = next_urb(qh); in musb_h_ep0_irq()
987 csr, qh, len, urb, musb->ep0_stage); in musb_h_ep0_irq()
1112 struct musb_qh *qh = hw_ep->out_qh; in musb_host_tx() local
1113 struct urb *urb = next_urb(qh); in musb_host_tx()
1262 length = qh->segsize; in musb_host_tx()
1263 qh->offset += length; in musb_host_tx()
1269 d = urb->iso_frame_desc + qh->iso_idx; in musb_host_tx()
1272 if (++qh->iso_idx >= urb->number_of_packets) { in musb_host_tx()
1280 } else if (dma && urb->transfer_buffer_length == qh->offset) { in musb_host_tx()
1284 if (qh->segsize < qh->maxpacket) in musb_host_tx()
1286 else if (qh->offset == urb->transfer_buffer_length in musb_host_tx()
1291 offset = qh->offset; in musb_host_tx()
1310 urb->actual_length = qh->offset; in musb_host_tx()
1314 if (musb_tx_dma_program(musb->dma_controller, hw_ep, qh, urb, in musb_host_tx()
1332 if (length > qh->maxpacket) in musb_host_tx()
1333 length = qh->maxpacket; in musb_host_tx()
1337 qh->segsize = length; in musb_host_tx()
1437 struct musb_qh *qh = hw_ep->in_qh; in musb_host_rx() local
1449 urb = next_urb(qh); in musb_host_rx()
1490 if (USB_ENDPOINT_XFER_ISOC != qh->type) { in musb_host_rx()
1502 && qh->mux == 1 in musb_host_rx()
1587 d = urb->iso_frame_desc + qh->iso_idx; in musb_host_rx()
1596 if (++qh->iso_idx >= urb->number_of_packets) in musb_host_rx()
1605 || dma->actual_len < qh->maxpacket); in musb_host_rx()
1652 qh->offset, in musb_host_rx()
1661 d = urb->iso_frame_desc + qh->iso_idx; in musb_host_rx()
1695 > qh->maxpacket) in musb_host_rx()
1732 if (qh->hb_mult == 1) in musb_host_rx()
1743 dma, qh->maxpacket, in musb_host_rx()
1770 qh->offset += xfer_len; in musb_host_rx()
1785 struct musb_qh *qh, in musb_schedule() argument
1795 struct urb *urb = next_urb(qh); in musb_schedule()
1798 if (qh->type == USB_ENDPOINT_XFER_CONTROL) { in musb_schedule()
1831 diff -= (qh->maxpacket * qh->hb_mult); in musb_schedule()
1848 toggle = usb_gettoggle(urb->dev, qh->epnum, !is_in); in musb_schedule()
1851 if (!is_in && (qh->type == USB_ENDPOINT_XFER_BULK) && in musb_schedule()
1860 if (best_end < 0 && qh->type == USB_ENDPOINT_XFER_BULK) { in musb_schedule()
1874 if (is_in && qh->dev) in musb_schedule()
1875 qh->intv_reg = in musb_schedule()
1876 (USB_SPEED_HIGH == qh->dev->speed) ? 8 : 4; in musb_schedule()
1883 qh->mux = 0; in musb_schedule()
1885 dev_dbg(musb->controller, "qh %p periodic slot %d\n", qh, best_end); in musb_schedule()
1889 list_add_tail(&qh->ring, head); in musb_schedule()
1890 qh->mux = 1; in musb_schedule()
1892 qh->hw_ep = hw_ep; in musb_schedule()
1893 qh->hep->hcpriv = qh; in musb_schedule()
1895 musb_start_urb(musb, is_in, qh); in musb_schedule()
1922 struct musb_qh *qh; local
1934 qh = ret ? NULL : hep->hcpriv;
1935 if (qh)
1936 urb->hcpriv = qh;
1947 if (qh || ret)
1956 qh = kzalloc(sizeof *qh, mem_flags);
1957 if (!qh) {
1964 qh->hep = hep;
1965 qh->dev = urb->dev;
1966 INIT_LIST_HEAD(&qh->ring);
1967 qh->is_ready = 1;
1969 qh->maxpacket = usb_endpoint_maxp(epd);
1970 qh->type = usb_endpoint_type(epd);
1976 qh->hb_mult = 1 + ((qh->maxpacket >> 11) & 0x03);
1977 if (qh->hb_mult > 1) {
1978 int ok = (qh->type == USB_ENDPOINT_XFER_ISOC);
1987 qh->maxpacket &= 0x7ff;
1990 qh->epnum = usb_endpoint_num(epd);
1993 qh->addr_reg = (u8) usb_pipedevice(urb->pipe);
1996 type_reg = (qh->type << 4) | qh->epnum;
2007 qh->type_reg = type_reg;
2010 switch (qh->type) {
2042 qh->intv_reg = interval;
2057 qh->h_addr_reg = (u8) parent->devnum;
2062 qh->h_port_reg = (u8) urb->dev->ttport;
2064 qh->h_addr_reg =
2067 qh->h_addr_reg |= 0x80;
2076 qh->h_addr_reg = hubaddr;
2077 qh->h_port_reg = portnr;
2092 kfree(qh);
2093 qh = NULL;
2096 ret = musb_schedule(musb, qh,
2100 urb->hcpriv = qh;
2112 kfree(qh);
2122 static int musb_cleanup_urb(struct urb *urb, struct musb_qh *qh) argument
2124 struct musb_hw_ep *ep = qh->hw_ep;
2190 struct musb_qh *qh; local
2205 qh = urb->hcpriv;
2206 if (!qh)
2221 if (!qh->is_ready
2222 || urb->urb_list.prev != &qh->hep->urb_list
2223 || musb_ep_get_qh(qh->hw_ep, is_in) != qh) {
2224 int ready = qh->is_ready;
2226 qh->is_ready = 0;
2228 qh->is_ready = ready;
2233 if (ready && list_empty(&qh->hep->urb_list)) {
2234 qh->hep->hcpriv = NULL;
2235 list_del(&qh->ring);
2236 kfree(qh);
2239 ret = musb_cleanup_urb(urb, qh);
2253 struct musb_qh *qh; local
2258 qh = hep->hcpriv;
2259 if (qh == NULL)
2265 qh->is_ready = 0;
2266 if (musb_ep_get_qh(qh->hw_ep, is_in) == qh) {
2267 urb = next_urb(qh);
2274 musb_cleanup_urb(urb, qh);
2280 urb = next_urb(qh);
2282 musb_advance_schedule(musb, urb, qh->hw_ep, is_in);
2290 musb_giveback(musb, next_urb(qh), -ESHUTDOWN);
2293 list_del(&qh->ring);
2294 kfree(qh);