Lines Matching defs:r8a66597
23 #include "r8a66597-udc.h"
33 static void init_controller(struct r8a66597 *r8a66597);
34 static void disable_controller(struct r8a66597 *r8a66597);
45 static inline u16 get_usb_speed(struct r8a66597 *r8a66597)
47 return r8a66597_read(r8a66597, DVSTCTR0) & RHST;
50 static void enable_pipe_irq(struct r8a66597 *r8a66597, u16 pipenum,
55 tmp = r8a66597_read(r8a66597, INTENB0);
56 r8a66597_bclr(r8a66597, BEMPE | NRDYE | BRDYE,
58 r8a66597_bset(r8a66597, (1 << pipenum), reg);
59 r8a66597_write(r8a66597, tmp, INTENB0);
62 static void disable_pipe_irq(struct r8a66597 *r8a66597, u16 pipenum,
67 tmp = r8a66597_read(r8a66597, INTENB0);
68 r8a66597_bclr(r8a66597, BEMPE | NRDYE | BRDYE,
70 r8a66597_bclr(r8a66597, (1 << pipenum), reg);
71 r8a66597_write(r8a66597, tmp, INTENB0);
74 static void r8a66597_usb_connect(struct r8a66597 *r8a66597)
76 r8a66597_bset(r8a66597, CTRE, INTENB0);
77 r8a66597_bset(r8a66597, BEMPE | BRDYE, INTENB0);
79 r8a66597_bset(r8a66597, DPRPU, SYSCFG0);
82 static void r8a66597_usb_disconnect(struct r8a66597 *r8a66597)
83 __releases(r8a66597->lock)
84 __acquires(r8a66597->lock)
86 r8a66597_bclr(r8a66597, CTRE, INTENB0);
87 r8a66597_bclr(r8a66597, BEMPE | BRDYE, INTENB0);
88 r8a66597_bclr(r8a66597, DPRPU, SYSCFG0);
90 r8a66597->gadget.speed = USB_SPEED_UNKNOWN;
91 spin_unlock(&r8a66597->lock);
92 r8a66597->driver->disconnect(&r8a66597->gadget);
93 spin_lock(&r8a66597->lock);
95 disable_controller(r8a66597);
96 init_controller(r8a66597);
97 r8a66597_bset(r8a66597, VBSE, INTENB0);
98 INIT_LIST_HEAD(&r8a66597->ep[0].queue);
101 static inline u16 control_reg_get_pid(struct r8a66597 *r8a66597, u16 pipenum)
107 pid = r8a66597_read(r8a66597, DCPCTR) & PID;
110 pid = r8a66597_read(r8a66597, offset) & PID;
112 dev_err(r8a66597_to_dev(r8a66597), "unexpect pipe num (%d)\n",
119 static inline void control_reg_set_pid(struct r8a66597 *r8a66597, u16 pipenum,
125 r8a66597_mdfy(r8a66597, pid, PID, DCPCTR);
128 r8a66597_mdfy(r8a66597, pid, PID, offset);
130 dev_err(r8a66597_to_dev(r8a66597), "unexpect pipe num (%d)\n",
135 static inline void pipe_start(struct r8a66597 *r8a66597, u16 pipenum)
137 control_reg_set_pid(r8a66597, pipenum, PID_BUF);
140 static inline void pipe_stop(struct r8a66597 *r8a66597, u16 pipenum)
142 control_reg_set_pid(r8a66597, pipenum, PID_NAK);
145 static inline void pipe_stall(struct r8a66597 *r8a66597, u16 pipenum)
147 control_reg_set_pid(r8a66597, pipenum, PID_STALL);
150 static inline u16 control_reg_get(struct r8a66597 *r8a66597, u16 pipenum)
156 ret = r8a66597_read(r8a66597, DCPCTR);
159 ret = r8a66597_read(r8a66597, offset);
161 dev_err(r8a66597_to_dev(r8a66597), "unexpect pipe num (%d)\n",
168 static inline void control_reg_sqclr(struct r8a66597 *r8a66597, u16 pipenum)
172 pipe_stop(r8a66597, pipenum);
175 r8a66597_bset(r8a66597, SQCLR, DCPCTR);
178 r8a66597_bset(r8a66597, SQCLR, offset);
180 dev_err(r8a66597_to_dev(r8a66597), "unexpect pipe num (%d)\n",
185 static void control_reg_sqset(struct r8a66597 *r8a66597, u16 pipenum)
189 pipe_stop(r8a66597, pipenum);
192 r8a66597_bset(r8a66597, SQSET, DCPCTR);
195 r8a66597_bset(r8a66597, SQSET, offset);
197 dev_err(r8a66597_to_dev(r8a66597),
202 static u16 control_reg_sqmon(struct r8a66597 *r8a66597, u16 pipenum)
207 return r8a66597_read(r8a66597, DCPCTR) & SQMON;
210 return r8a66597_read(r8a66597, offset) & SQMON;
212 dev_err(r8a66597_to_dev(r8a66597),
219 static u16 save_usb_toggle(struct r8a66597 *r8a66597, u16 pipenum)
221 return control_reg_sqmon(r8a66597, pipenum);
224 static void restore_usb_toggle(struct r8a66597 *r8a66597, u16 pipenum,
228 control_reg_sqset(r8a66597, pipenum);
230 control_reg_sqclr(r8a66597, pipenum);
233 static inline int get_buffer_size(struct r8a66597 *r8a66597, u16 pipenum)
239 tmp = r8a66597_read(r8a66597, DCPCFG);
243 tmp = r8a66597_read(r8a66597, DCPMAXP);
247 r8a66597_write(r8a66597, pipenum, PIPESEL);
248 tmp = r8a66597_read(r8a66597, PIPECFG);
250 tmp = r8a66597_read(r8a66597, PIPEBUF);
253 tmp = r8a66597_read(r8a66597, PIPEMAXP);
261 static inline unsigned short mbw_value(struct r8a66597 *r8a66597)
263 if (r8a66597->pdata->on_chip)
269 static void r8a66597_change_curpipe(struct r8a66597 *r8a66597, u16 pipenum,
282 r8a66597_mdfy(r8a66597, loop, mask, fifosel);
285 tmp = r8a66597_read(r8a66597, fifosel);
287 dev_err(r8a66597_to_dev(r8a66597),
288 "r8a66597: register%x, loop %x "
296 static void pipe_change(struct r8a66597 *r8a66597, u16 pipenum)
298 struct r8a66597_ep *ep = r8a66597->pipenum2ep[pipenum];
301 r8a66597_bclr(r8a66597, DREQE, ep->fifosel);
303 r8a66597_mdfy(r8a66597, pipenum, CURPIPE, ep->fifosel);
307 if (r8a66597_is_sudmac(r8a66597) && ep->use_dma)
308 r8a66597_bclr(r8a66597, mbw_value(r8a66597), ep->fifosel);
310 r8a66597_bset(r8a66597, mbw_value(r8a66597), ep->fifosel);
313 r8a66597_bset(r8a66597, DREQE, ep->fifosel);
316 static int pipe_buffer_setting(struct r8a66597 *r8a66597,
325 r8a66597_write(r8a66597, info->pipe, PIPESEL);
357 pr_err("r8a66597 pipe memory is insufficient\n");
361 r8a66597_write(r8a66597, pipecfg, PIPECFG);
362 r8a66597_write(r8a66597, (buf_bsize << 10) | (bufnum), PIPEBUF);
363 r8a66597_write(r8a66597, info->maxpacket, PIPEMAXP);
366 r8a66597_write(r8a66597, info->interval, PIPEPERI);
371 static void pipe_buffer_release(struct r8a66597 *r8a66597,
378 r8a66597->bulk--;
380 r8a66597->interrupt--;
382 r8a66597->isochronous--;
384 r8a66597->bulk--;
386 dev_err(r8a66597_to_dev(r8a66597),
393 struct r8a66597 *r8a66597 = ep->r8a66597;
395 r8a66597_mdfy(r8a66597, 0, CURPIPE, ep->fifosel);
397 r8a66597_write(r8a66597, ACLRM, ep->pipectr);
398 r8a66597_write(r8a66597, 0, ep->pipectr);
399 r8a66597_write(r8a66597, SQCLR, ep->pipectr);
401 r8a66597_mdfy(r8a66597, ep->pipenum, CURPIPE, ep->fifosel);
405 r8a66597_bset(r8a66597, mbw_value(r8a66597), ep->fifosel);
409 static void r8a66597_ep_setting(struct r8a66597 *r8a66597,
429 r8a66597->pipenum2ep[pipenum] = ep;
430 r8a66597->epaddr2ep[usb_endpoint_num(desc)]
437 struct r8a66597 *r8a66597 = ep->r8a66597;
444 r8a66597->num_dma--;
453 struct r8a66597 *r8a66597 = ep->r8a66597;
466 if (r8a66597->bulk >= R8A66597_MAX_NUM_BULK) {
467 if (r8a66597->isochronous >= R8A66597_MAX_NUM_ISOC) {
468 dev_err(r8a66597_to_dev(r8a66597),
473 + r8a66597->isochronous;
474 counter = &r8a66597->isochronous;
477 info.pipe = R8A66597_BASE_PIPENUM_BULK + r8a66597->bulk;
478 counter = &r8a66597->bulk;
484 if (r8a66597->interrupt >= R8A66597_MAX_NUM_INT) {
485 dev_err(r8a66597_to_dev(r8a66597),
489 info.pipe = R8A66597_BASE_PIPENUM_INT + r8a66597->interrupt;
491 counter = &r8a66597->interrupt;
494 if (r8a66597->isochronous >= R8A66597_MAX_NUM_ISOC) {
495 dev_err(r8a66597_to_dev(r8a66597),
499 info.pipe = R8A66597_BASE_PIPENUM_ISOC + r8a66597->isochronous;
501 counter = &r8a66597->isochronous;
504 dev_err(r8a66597_to_dev(r8a66597), "unexpect xfer type\n");
517 ret = pipe_buffer_setting(r8a66597, &info);
519 dev_err(r8a66597_to_dev(r8a66597),
525 if ((counter == &r8a66597->isochronous) && info.type == R8A66597_BULK)
526 r8a66597->bulk++;
528 r8a66597_ep_setting(r8a66597, ep, desc, info.pipe, dma);
536 struct r8a66597 *r8a66597 = ep->r8a66597;
541 pipe_buffer_release(r8a66597, &info);
548 static void pipe_irq_enable(struct r8a66597 *r8a66597, u16 pipenum)
550 enable_irq_ready(r8a66597, pipenum);
551 enable_irq_nrdy(r8a66597, pipenum);
554 static void pipe_irq_disable(struct r8a66597 *r8a66597, u16 pipenum)
556 disable_irq_ready(r8a66597, pipenum);
557 disable_irq_nrdy(r8a66597, pipenum);
561 static void control_end(struct r8a66597 *r8a66597, unsigned ccpl)
563 r8a66597->ep[0].internal_ccpl = ccpl;
564 pipe_start(r8a66597, 0);
565 r8a66597_bset(r8a66597, CCPL, DCPCTR);
571 struct r8a66597 *r8a66597 = ep->r8a66597;
573 pipe_change(r8a66597, ep->pipenum);
574 r8a66597_mdfy(r8a66597, ISEL, (ISEL | CURPIPE), CFIFOSEL);
575 r8a66597_write(r8a66597, BCLR, ep->fifoctr);
577 r8a66597_bset(r8a66597, BVAL, ep->fifoctr);
578 pipe_start(r8a66597, 0);
581 r8a66597_write(r8a66597, ~BEMP0, BEMPSTS);
586 static void disable_fifosel(struct r8a66597 *r8a66597, u16 pipenum,
591 tmp = r8a66597_read(r8a66597, fifosel) & CURPIPE;
593 r8a66597_change_curpipe(r8a66597, 0, 0, fifosel);
596 static void change_bfre_mode(struct r8a66597 *r8a66597, u16 pipenum,
599 struct r8a66597_ep *ep = r8a66597->pipenum2ep[pipenum];
603 r8a66597_write(r8a66597, pipenum, PIPESEL);
604 tmp = r8a66597_read(r8a66597, PIPECFG) & R8A66597_BFRE;
609 pipe_stop(r8a66597, pipenum);
610 disable_fifosel(r8a66597, pipenum, CFIFOSEL);
611 disable_fifosel(r8a66597, pipenum, D0FIFOSEL);
612 disable_fifosel(r8a66597, pipenum, D1FIFOSEL);
614 toggle = save_usb_toggle(r8a66597, pipenum);
616 r8a66597_write(r8a66597, pipenum, PIPESEL);
618 r8a66597_bset(r8a66597, R8A66597_BFRE, PIPECFG);
620 r8a66597_bclr(r8a66597, R8A66597_BFRE, PIPECFG);
623 r8a66597_bset(r8a66597, ACLRM, ep->pipectr);
624 r8a66597_bclr(r8a66597, ACLRM, ep->pipectr);
626 restore_usb_toggle(r8a66597, pipenum, toggle);
629 static int sudmac_alloc_channel(struct r8a66597 *r8a66597,
635 if (!r8a66597_is_sudmac(r8a66597))
642 if (r8a66597->dma.used)
646 dma = &r8a66597->dma;
652 change_bfre_mode(r8a66597, ep->pipenum, 1);
663 return usb_gadget_map_request(&r8a66597->gadget, &req->req, dma->dir);
666 static void sudmac_free_channel(struct r8a66597 *r8a66597,
670 if (!r8a66597_is_sudmac(r8a66597))
673 usb_gadget_unmap_request(&r8a66597->gadget, &req->req, ep->dma->dir);
675 r8a66597_bclr(r8a66597, DREQE, ep->fifosel);
676 r8a66597_change_curpipe(r8a66597, 0, 0, ep->fifosel);
685 static void sudmac_start(struct r8a66597 *r8a66597, struct r8a66597_ep *ep,
690 r8a66597_sudmac_write(r8a66597, LBA_WAIT, CH0CFG);
691 r8a66597_sudmac_write(r8a66597, req->req.dma, CH0BA);
692 r8a66597_sudmac_write(r8a66597, req->req.length, CH0BBC);
693 r8a66597_sudmac_write(r8a66597, CH0ENDE, DINTCTRL);
695 r8a66597_sudmac_write(r8a66597, DEN, CH0DEN);
701 struct r8a66597 *r8a66597 = ep->r8a66597;
704 pipe_change(r8a66597, ep->pipenum);
705 disable_irq_empty(r8a66597, ep->pipenum);
706 pipe_start(r8a66597, ep->pipenum);
711 r8a66597_write(r8a66597, ~(1 << ep->pipenum), BRDYSTS);
712 if (sudmac_alloc_channel(r8a66597, ep, req) < 0) {
714 pipe_change(r8a66597, ep->pipenum);
715 disable_irq_empty(r8a66597, ep->pipenum);
716 pipe_start(r8a66597, ep->pipenum);
717 tmp = r8a66597_read(r8a66597, ep->fifoctr);
719 pipe_irq_enable(r8a66597, ep->pipenum);
724 pipe_change(r8a66597, ep->pipenum);
725 disable_irq_nrdy(r8a66597, ep->pipenum);
726 pipe_start(r8a66597, ep->pipenum);
727 enable_irq_nrdy(r8a66597, ep->pipenum);
728 sudmac_start(r8a66597, ep, req);
736 struct r8a66597 *r8a66597 = ep->r8a66597;
740 r8a66597_mdfy(r8a66597, 0, (ISEL | CURPIPE), CFIFOSEL);
741 r8a66597_write(r8a66597, BCLR, ep->fifoctr);
742 pipe_start(r8a66597, pipenum);
743 pipe_irq_enable(r8a66597, pipenum);
745 pipe_stop(r8a66597, pipenum);
747 enable_irq_nrdy(r8a66597, pipenum);
748 r8a66597_write(r8a66597, TRCLR, ep->pipetre);
749 r8a66597_write(r8a66597,
752 r8a66597_bset(r8a66597, TRENB, ep->pipetre);
755 if (sudmac_alloc_channel(r8a66597, ep, req) < 0) {
757 change_bfre_mode(r8a66597, ep->pipenum, 0);
758 pipe_start(r8a66597, pipenum); /* trigger once */
759 pipe_irq_enable(r8a66597, pipenum);
761 pipe_change(r8a66597, pipenum);
762 sudmac_start(r8a66597, ep, req);
763 pipe_start(r8a66597, pipenum); /* trigger once */
780 ctsq = r8a66597_read(ep->r8a66597, INTSTS0) & CTSQ;
791 control_end(ep->r8a66597, 0);
794 dev_err(r8a66597_to_dev(ep->r8a66597),
800 static void init_controller(struct r8a66597 *r8a66597)
802 u16 vif = r8a66597->pdata->vif ? LDRV : 0;
803 u16 irq_sense = r8a66597->irq_sense_low ? INTL : 0;
804 u16 endian = r8a66597->pdata->endian ? BIGEND : 0;
806 if (r8a66597->pdata->on_chip) {
807 if (r8a66597->pdata->buswait)
808 r8a66597_write(r8a66597, r8a66597->pdata->buswait,
811 r8a66597_write(r8a66597, 0x0f, SYSCFG1);
812 r8a66597_bset(r8a66597, HSE, SYSCFG0);
814 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
815 r8a66597_bclr(r8a66597, DPRPU, SYSCFG0);
816 r8a66597_bset(r8a66597, USBE, SYSCFG0);
818 r8a66597_bset(r8a66597, SCKE, SYSCFG0);
820 r8a66597_bset(r8a66597, irq_sense, INTENB1);
821 r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR,
824 r8a66597_bset(r8a66597, vif | endian, PINCFG);
825 r8a66597_bset(r8a66597, HSE, SYSCFG0); /* High spd */
826 r8a66597_mdfy(r8a66597, get_xtal_from_pdata(r8a66597->pdata),
829 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
830 r8a66597_bclr(r8a66597, DPRPU, SYSCFG0);
831 r8a66597_bset(r8a66597, USBE, SYSCFG0);
833 r8a66597_bset(r8a66597, XCKE, SYSCFG0);
837 r8a66597_bset(r8a66597, PLLC, SYSCFG0);
841 r8a66597_bset(r8a66597, SCKE, SYSCFG0);
843 r8a66597_bset(r8a66597, irq_sense, INTENB1);
844 r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR,
849 static void disable_controller(struct r8a66597 *r8a66597)
851 if (r8a66597->pdata->on_chip) {
852 r8a66597_bset(r8a66597, SCKE, SYSCFG0);
853 r8a66597_bclr(r8a66597, UTST, TESTMODE);
856 r8a66597_write(r8a66597, 0, INTENB0);
857 r8a66597_write(r8a66597, 0, INTENB1);
858 r8a66597_write(r8a66597, 0, BRDYENB);
859 r8a66597_write(r8a66597, 0, BEMPENB);
860 r8a66597_write(r8a66597, 0, NRDYENB);
863 r8a66597_write(r8a66597, 0, BRDYSTS);
864 r8a66597_write(r8a66597, 0, NRDYSTS);
865 r8a66597_write(r8a66597, 0, BEMPSTS);
867 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
868 r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
871 r8a66597_bclr(r8a66597, UTST, TESTMODE);
872 r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
874 r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
877 r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
881 static void r8a66597_start_xclock(struct r8a66597 *r8a66597)
885 if (!r8a66597->pdata->on_chip) {
886 tmp = r8a66597_read(r8a66597, SYSCFG0);
888 r8a66597_bset(r8a66597, XCKE, SYSCFG0);
900 __releases(r8a66597->lock)
901 __acquires(r8a66597->lock)
913 if (ep->r8a66597->gadget.speed == USB_SPEED_UNKNOWN)
922 sudmac_free_channel(ep->r8a66597, ep, req);
924 spin_unlock(&ep->r8a66597->lock);
926 spin_lock(&ep->r8a66597->lock);
943 struct r8a66597 *r8a66597 = ep->r8a66597;
945 pipe_change(r8a66597, pipenum);
946 r8a66597_bset(r8a66597, ISEL, ep->fifosel);
950 tmp = r8a66597_read(r8a66597, ep->fifoctr);
952 dev_err(r8a66597_to_dev(r8a66597),
961 bufsize = get_buffer_size(r8a66597, pipenum);
968 r8a66597_write_fifo(r8a66597, ep, buf, size);
970 r8a66597_bset(r8a66597, BVAL, ep->fifoctr);
980 disable_irq_ready(r8a66597, pipenum);
981 disable_irq_empty(r8a66597, pipenum);
983 disable_irq_ready(r8a66597, pipenum);
984 enable_irq_empty(r8a66597, pipenum);
986 pipe_start(r8a66597, pipenum);
997 struct r8a66597 *r8a66597 = ep->r8a66597;
999 pipe_change(r8a66597, pipenum);
1000 tmp = r8a66597_read(r8a66597, ep->fifoctr);
1002 pipe_stop(r8a66597, pipenum);
1003 pipe_irq_disable(r8a66597, pipenum);
1004 dev_err(r8a66597_to_dev(r8a66597),
1010 bufsize = get_buffer_size(r8a66597, pipenum);
1016 r8a66597_write_fifo(r8a66597, ep, buf, size);
1021 r8a66597_bset(r8a66597, BVAL, ep->fifoctr);
1030 disable_irq_ready(r8a66597, pipenum);
1031 enable_irq_empty(r8a66597, pipenum);
1033 disable_irq_empty(r8a66597, pipenum);
1034 pipe_irq_enable(r8a66597, pipenum);
1046 struct r8a66597 *r8a66597 = ep->r8a66597;
1049 pipe_change(r8a66597, pipenum);
1050 tmp = r8a66597_read(r8a66597, ep->fifoctr);
1053 pipe_stop(r8a66597, pipenum);
1054 pipe_irq_disable(r8a66597, pipenum);
1055 dev_err(r8a66597_to_dev(r8a66597), "read fifo not ready");
1061 bufsize = get_buffer_size(r8a66597, pipenum);
1077 pipe_stop(r8a66597, pipenum);
1078 pipe_irq_disable(r8a66597, pipenum);
1085 r8a66597_write(r8a66597, BCLR, ep->fifoctr);
1087 r8a66597_read_fifo(r8a66597, ep->fifoaddr, buf, size);
1095 static void irq_pipe_ready(struct r8a66597 *r8a66597, u16 status, u16 enb)
1103 r8a66597_write(r8a66597, ~BRDY0, BRDYSTS);
1104 r8a66597_mdfy(r8a66597, 0, CURPIPE, CFIFOSEL);
1106 ep = &r8a66597->ep[0];
1113 r8a66597_write(r8a66597, ~check, BRDYSTS);
1114 ep = r8a66597->pipenum2ep[pipenum];
1125 static void irq_pipe_empty(struct r8a66597 *r8a66597, u16 status, u16 enb)
1134 r8a66597_write(r8a66597, ~BEMP0, BEMPSTS);
1136 ep = &r8a66597->ep[0];
1143 r8a66597_write(r8a66597, ~check, BEMPSTS);
1144 tmp = control_reg_get(r8a66597, pipenum);
1146 disable_irq_empty(r8a66597, pipenum);
1147 pipe_irq_disable(r8a66597, pipenum);
1148 pipe_stop(r8a66597, pipenum);
1149 ep = r8a66597->pipenum2ep[pipenum];
1159 static void get_status(struct r8a66597 *r8a66597, struct usb_ctrlrequest *ctrl)
1160 __releases(r8a66597->lock)
1161 __acquires(r8a66597->lock)
1170 status = r8a66597->device_status;
1176 ep = r8a66597->epaddr2ep[w_index & USB_ENDPOINT_NUMBER_MASK];
1177 pid = control_reg_get_pid(r8a66597, ep->pipenum);
1184 pipe_stall(r8a66597, 0);
1188 r8a66597->ep0_data = cpu_to_le16(status);
1189 r8a66597->ep0_req->buf = &r8a66597->ep0_data;
1190 r8a66597->ep0_req->length = 2;
1192 spin_unlock(&r8a66597->lock);
1193 r8a66597_queue(r8a66597->gadget.ep0, r8a66597->ep0_req, GFP_ATOMIC);
1194 spin_lock(&r8a66597->lock);
1197 static void clear_feature(struct r8a66597 *r8a66597,
1202 control_end(r8a66597, 1);
1205 control_end(r8a66597, 1);
1212 ep = r8a66597->epaddr2ep[w_index & USB_ENDPOINT_NUMBER_MASK];
1214 pipe_stop(r8a66597, ep->pipenum);
1215 control_reg_sqclr(r8a66597, ep->pipenum);
1216 spin_unlock(&r8a66597->lock);
1218 spin_lock(&r8a66597->lock);
1221 control_end(r8a66597, 1);
1230 pipe_start(r8a66597, ep->pipenum);
1234 pipe_stall(r8a66597, 0);
1239 static void set_feature(struct r8a66597 *r8a66597, struct usb_ctrlrequest *ctrl)
1248 control_end(r8a66597, 1);
1251 tmp = r8a66597_read(r8a66597, INTSTS0) & CTSQ;
1256 r8a66597_bset(r8a66597,
1261 pipe_stall(r8a66597, 0);
1266 control_end(r8a66597, 1);
1272 ep = r8a66597->epaddr2ep[w_index & USB_ENDPOINT_NUMBER_MASK];
1273 pipe_stall(r8a66597, ep->pipenum);
1275 control_end(r8a66597, 1);
1279 pipe_stall(r8a66597, 0);
1285 static int setup_packet(struct r8a66597 *r8a66597, struct usb_ctrlrequest *ctrl)
1292 r8a66597_write(r8a66597, ~VALID, INTSTS0);
1295 p[i] = r8a66597_read(r8a66597, offset + i*2);
1301 get_status(r8a66597, ctrl);
1304 clear_feature(r8a66597, ctrl);
1307 set_feature(r8a66597, ctrl);
1318 static void r8a66597_update_usb_speed(struct r8a66597 *r8a66597)
1320 u16 speed = get_usb_speed(r8a66597);
1324 r8a66597->gadget.speed = USB_SPEED_HIGH;
1327 r8a66597->gadget.speed = USB_SPEED_FULL;
1330 r8a66597->gadget.speed = USB_SPEED_UNKNOWN;
1331 dev_err(r8a66597_to_dev(r8a66597), "USB speed unknown\n");
1335 static void irq_device_state(struct r8a66597 *r8a66597)
1339 dvsq = r8a66597_read(r8a66597, INTSTS0) & DVSQ;
1340 r8a66597_write(r8a66597, ~DVST, INTSTS0);
1344 spin_unlock(&r8a66597->lock);
1345 usb_gadget_udc_reset(&r8a66597->gadget, r8a66597->driver);
1346 spin_lock(&r8a66597->lock);
1347 r8a66597_update_usb_speed(r8a66597);
1349 if (r8a66597->old_dvsq == DS_CNFG && dvsq != DS_CNFG)
1350 r8a66597_update_usb_speed(r8a66597);
1352 && r8a66597->gadget.speed == USB_SPEED_UNKNOWN)
1353 r8a66597_update_usb_speed(r8a66597);
1355 r8a66597->old_dvsq = dvsq;
1358 static void irq_control_stage(struct r8a66597 *r8a66597)
1359 __releases(r8a66597->lock)
1360 __acquires(r8a66597->lock)
1365 ctsq = r8a66597_read(r8a66597, INTSTS0) & CTSQ;
1366 r8a66597_write(r8a66597, ~CTRT, INTSTS0);
1372 ep = &r8a66597->ep[0];
1381 if (setup_packet(r8a66597, &ctrl)) {
1382 spin_unlock(&r8a66597->lock);
1383 if (r8a66597->driver->setup(&r8a66597->gadget, &ctrl)
1385 pipe_stall(r8a66597, 0);
1386 spin_lock(&r8a66597->lock);
1391 control_end(r8a66597, 0);
1394 dev_err(r8a66597_to_dev(r8a66597),
1400 static void sudmac_finish(struct r8a66597 *r8a66597, struct r8a66597_ep *ep)
1408 pipe_change(r8a66597, pipenum);
1410 while (!(r8a66597_read(r8a66597, ep->fifoctr) & FRDY)) {
1413 dev_err(r8a66597_to_dev(r8a66597),
1420 r8a66597_bset(r8a66597, BCLR, ep->fifoctr);
1424 len = r8a66597_sudmac_read(r8a66597, CH0CBC);
1428 r8a66597_sudmac_write(r8a66597, CH0STCLR, DSTSCLR);
1434 disable_irq_ready(r8a66597, pipenum);
1435 enable_irq_empty(r8a66597, pipenum);
1438 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
1444 static void r8a66597_sudmac_irq(struct r8a66597 *r8a66597)
1450 irqsts = r8a66597_sudmac_read(r8a66597, DINTSTS);
1452 r8a66597_sudmac_write(r8a66597, CH0ENDC, DINTSTSCLR);
1453 pipenum = (r8a66597_read(r8a66597, D0FIFOSEL) & CURPIPE);
1454 ep = r8a66597->pipenum2ep[pipenum];
1455 sudmac_finish(r8a66597, ep);
1461 struct r8a66597 *r8a66597 = _r8a66597;
1467 spin_lock(&r8a66597->lock);
1469 if (r8a66597_is_sudmac(r8a66597))
1470 r8a66597_sudmac_irq(r8a66597);
1472 intsts0 = r8a66597_read(r8a66597, INTSTS0);
1473 intenb0 = r8a66597_read(r8a66597, INTENB0);
1475 savepipe = r8a66597_read(r8a66597, CFIFOSEL);
1479 u16 brdysts = r8a66597_read(r8a66597, BRDYSTS);
1480 u16 bempsts = r8a66597_read(r8a66597, BEMPSTS);
1481 u16 brdyenb = r8a66597_read(r8a66597, BRDYENB);
1482 u16 bempenb = r8a66597_read(r8a66597, BEMPENB);
1485 r8a66597_write(r8a66597, 0xffff & ~VBINT,
1487 r8a66597_start_xclock(r8a66597);
1490 r8a66597->old_vbus = r8a66597_read(r8a66597, INTSTS0)
1492 r8a66597->scount = R8A66597_MAX_SAMPLING;
1494 mod_timer(&r8a66597->timer,
1498 irq_device_state(r8a66597);
1502 irq_pipe_ready(r8a66597, brdysts, brdyenb);
1505 irq_pipe_empty(r8a66597, bempsts, bempenb);
1508 irq_control_stage(r8a66597);
1511 r8a66597_write(r8a66597, savepipe, CFIFOSEL);
1513 spin_unlock(&r8a66597->lock);
1519 struct r8a66597 *r8a66597 = from_timer(r8a66597, t, timer);
1523 spin_lock_irqsave(&r8a66597->lock, flags);
1524 tmp = r8a66597_read(r8a66597, SYSCFG0);
1525 if (r8a66597->scount > 0) {
1526 tmp = r8a66597_read(r8a66597, INTSTS0) & VBSTS;
1527 if (tmp == r8a66597->old_vbus) {
1528 r8a66597->scount--;
1529 if (r8a66597->scount == 0) {
1531 r8a66597_usb_connect(r8a66597);
1533 r8a66597_usb_disconnect(r8a66597);
1535 mod_timer(&r8a66597->timer,
1539 r8a66597->scount = R8A66597_MAX_SAMPLING;
1540 r8a66597->old_vbus = tmp;
1541 mod_timer(&r8a66597->timer,
1545 spin_unlock_irqrestore(&r8a66597->lock, flags);
1569 spin_lock_irqsave(&ep->r8a66597->lock, flags);
1571 spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
1574 pipe_irq_disable(ep->r8a66597, ep->pipenum);
1611 if (ep->r8a66597->gadget.speed == USB_SPEED_UNKNOWN)
1614 spin_lock_irqsave(&ep->r8a66597->lock, flags);
1630 spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
1644 spin_lock_irqsave(&ep->r8a66597->lock, flags);
1647 spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
1658 spin_lock_irqsave(&ep->r8a66597->lock, flags);
1663 pipe_stall(ep->r8a66597, ep->pipenum);
1667 pipe_stop(ep->r8a66597, ep->pipenum);
1669 spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
1683 spin_lock_irqsave(&ep->r8a66597->lock, flags);
1685 spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
1696 spin_lock_irqsave(&ep->r8a66597->lock, flags);
1698 pipe_stop(ep->r8a66597, ep->pipenum);
1699 r8a66597_bclr(ep->r8a66597, BCLR, ep->fifoctr);
1700 r8a66597_write(ep->r8a66597, ACLRM, ep->pipectr);
1701 r8a66597_write(ep->r8a66597, 0, ep->pipectr);
1703 spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
1725 struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget);
1731 if (!r8a66597)
1735 r8a66597->driver = driver;
1737 init_controller(r8a66597);
1738 r8a66597_bset(r8a66597, VBSE, INTENB0);
1739 if (r8a66597_read(r8a66597, INTSTS0) & VBSTS) {
1740 r8a66597_start_xclock(r8a66597);
1742 r8a66597->old_vbus = r8a66597_read(r8a66597,
1744 r8a66597->scount = R8A66597_MAX_SAMPLING;
1745 mod_timer(&r8a66597->timer, jiffies + msecs_to_jiffies(50));
1753 struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget);
1756 spin_lock_irqsave(&r8a66597->lock, flags);
1757 r8a66597_bclr(r8a66597, VBSE, INTENB0);
1758 disable_controller(r8a66597);
1759 spin_unlock_irqrestore(&r8a66597->lock, flags);
1761 r8a66597->driver = NULL;
1768 struct r8a66597 *r8a66597 = gadget_to_r8a66597(_gadget);
1769 return r8a66597_read(r8a66597, FRMNUM) & 0x03FF;
1774 struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget);
1777 spin_lock_irqsave(&r8a66597->lock, flags);
1779 r8a66597_bset(r8a66597, DPRPU, SYSCFG0);
1781 r8a66597_bclr(r8a66597, DPRPU, SYSCFG0);
1782 spin_unlock_irqrestore(&r8a66597->lock, flags);
1789 struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget);
1793 r8a66597->device_status |= 1 << USB_DEVICE_SELF_POWERED;
1795 r8a66597->device_status &= ~(1 << USB_DEVICE_SELF_POWERED);
1810 struct r8a66597 *r8a66597 = platform_get_drvdata(pdev);
1812 usb_del_gadget_udc(&r8a66597->gadget);
1813 del_timer_sync(&r8a66597->timer);
1814 r8a66597_free_request(&r8a66597->ep[0].ep, r8a66597->ep0_req);
1816 if (r8a66597->pdata->on_chip) {
1817 clk_disable_unprepare(r8a66597->clk);
1825 static int r8a66597_sudmac_ioremap(struct r8a66597 *r8a66597,
1828 r8a66597->sudmac_reg =
1830 return PTR_ERR_OR_ZERO(r8a66597->sudmac_reg);
1840 struct r8a66597 *r8a66597 = NULL;
1861 r8a66597 = devm_kzalloc(dev, sizeof(struct r8a66597), GFP_KERNEL);
1862 if (r8a66597 == NULL)
1865 spin_lock_init(&r8a66597->lock);
1866 platform_set_drvdata(pdev, r8a66597);
1867 r8a66597->pdata = dev_get_platdata(dev);
1868 r8a66597->irq_sense_low = irq_trigger == IRQF_TRIGGER_LOW;
1870 r8a66597->gadget.ops = &r8a66597_gadget_ops;
1871 r8a66597->gadget.max_speed = USB_SPEED_HIGH;
1872 r8a66597->gadget.name = udc_name;
1874 timer_setup(&r8a66597->timer, r8a66597_timer, 0);
1875 r8a66597->reg = reg;
1877 if (r8a66597->pdata->on_chip) {
1879 r8a66597->clk = devm_clk_get(dev, clk_name);
1880 if (IS_ERR(r8a66597->clk)) {
1882 return PTR_ERR(r8a66597->clk);
1884 clk_prepare_enable(r8a66597->clk);
1887 if (r8a66597->pdata->sudmac) {
1888 ret = r8a66597_sudmac_ioremap(r8a66597, pdev);
1893 disable_controller(r8a66597); /* make sure controller is disabled */
1896 udc_name, r8a66597);
1902 INIT_LIST_HEAD(&r8a66597->gadget.ep_list);
1903 r8a66597->gadget.ep0 = &r8a66597->ep[0].ep;
1904 INIT_LIST_HEAD(&r8a66597->gadget.ep0->ep_list);
1906 struct r8a66597_ep *ep = &r8a66597->ep[i];
1909 INIT_LIST_HEAD(&r8a66597->ep[i].ep.ep_list);
1910 list_add_tail(&r8a66597->ep[i].ep.ep_list,
1911 &r8a66597->gadget.ep_list);
1913 ep->r8a66597 = r8a66597;
1929 usb_ep_set_maxpacket_limit(&r8a66597->ep[0].ep, 64);
1930 r8a66597->ep[0].pipenum = 0;
1931 r8a66597->ep[0].fifoaddr = CFIFO;
1932 r8a66597->ep[0].fifosel = CFIFOSEL;
1933 r8a66597->ep[0].fifoctr = CFIFOCTR;
1934 r8a66597->ep[0].pipectr = get_pipectr_addr(0);
1935 r8a66597->pipenum2ep[0] = &r8a66597->ep[0];
1936 r8a66597->epaddr2ep[0] = &r8a66597->ep[0];
1938 r8a66597->ep0_req = r8a66597_alloc_request(&r8a66597->ep[0].ep,
1940 if (r8a66597->ep0_req == NULL) {
1944 r8a66597->ep0_req->complete = nop_completion;
1946 ret = usb_add_gadget_udc(dev, &r8a66597->gadget);
1954 r8a66597_free_request(&r8a66597->ep[0].ep, r8a66597->ep0_req);
1956 if (r8a66597->pdata->on_chip)
1957 clk_disable_unprepare(r8a66597->clk);
1959 if (r8a66597->ep0_req)
1960 r8a66597_free_request(&r8a66597->ep[0].ep, r8a66597->ep0_req);