Lines Matching refs:fotg210
81 #define fotg210_dbg(fotg210, fmt, args...) \ argument
82 dev_dbg(fotg210_to_hcd(fotg210)->self.controller, fmt, ## args)
83 #define fotg210_err(fotg210, fmt, args...) \ argument
84 dev_err(fotg210_to_hcd(fotg210)->self.controller, fmt, ## args)
85 #define fotg210_info(fotg210, fmt, args...) \ argument
86 dev_info(fotg210_to_hcd(fotg210)->self.controller, fmt, ## args)
87 #define fotg210_warn(fotg210, fmt, args...) \ argument
88 dev_warn(fotg210_to_hcd(fotg210)->self.controller, fmt, ## args)
93 static void dbg_hcs_params(struct fotg210_hcd *fotg210, char *label) in dbg_hcs_params() argument
95 u32 params = fotg210_readl(fotg210, &fotg210->caps->hcs_params); in dbg_hcs_params()
97 fotg210_dbg(fotg210, "%s hcs_params 0x%x ports=%d\n", label, params, in dbg_hcs_params()
104 static void dbg_hcc_params(struct fotg210_hcd *fotg210, char *label) in dbg_hcc_params() argument
106 u32 params = fotg210_readl(fotg210, &fotg210->caps->hcc_params); in dbg_hcc_params()
108 fotg210_dbg(fotg210, "%s hcc_params %04x uframes %s%s\n", label, in dbg_hcc_params()
115 dbg_qtd(const char *label, struct fotg210_hcd *fotg210, struct fotg210_qtd *qtd) in dbg_qtd() argument
117 fotg210_dbg(fotg210, "%s td %p n%08x %08x t%08x p0=%08x\n", label, qtd, in dbg_qtd()
118 hc32_to_cpup(fotg210, &qtd->hw_next), in dbg_qtd()
119 hc32_to_cpup(fotg210, &qtd->hw_alt_next), in dbg_qtd()
120 hc32_to_cpup(fotg210, &qtd->hw_token), in dbg_qtd()
121 hc32_to_cpup(fotg210, &qtd->hw_buf[0])); in dbg_qtd()
123 fotg210_dbg(fotg210, " p1=%08x p2=%08x p3=%08x p4=%08x\n", in dbg_qtd()
124 hc32_to_cpup(fotg210, &qtd->hw_buf[1]), in dbg_qtd()
125 hc32_to_cpup(fotg210, &qtd->hw_buf[2]), in dbg_qtd()
126 hc32_to_cpup(fotg210, &qtd->hw_buf[3]), in dbg_qtd()
127 hc32_to_cpup(fotg210, &qtd->hw_buf[4])); in dbg_qtd()
131 dbg_qh(const char *label, struct fotg210_hcd *fotg210, struct fotg210_qh *qh) in dbg_qh() argument
135 fotg210_dbg(fotg210, "%s qh %p n%08x info %x %x qtd %x\n", label, qh, in dbg_qh()
139 dbg_qtd("overlay", fotg210, (struct fotg210_qtd *) &hw->hw_qtd_next); in dbg_qh()
143 dbg_itd(const char *label, struct fotg210_hcd *fotg210, struct fotg210_itd *itd) in dbg_itd() argument
145 fotg210_dbg(fotg210, "%s[%d] itd %p, next %08x, urb %p\n", label, in dbg_itd()
146 itd->frame, itd, hc32_to_cpu(fotg210, itd->hw_next), in dbg_itd()
149 fotg210_dbg(fotg210, in dbg_itd()
151 hc32_to_cpu(fotg210, itd->hw_transaction[0]), in dbg_itd()
152 hc32_to_cpu(fotg210, itd->hw_transaction[1]), in dbg_itd()
153 hc32_to_cpu(fotg210, itd->hw_transaction[2]), in dbg_itd()
154 hc32_to_cpu(fotg210, itd->hw_transaction[3]), in dbg_itd()
155 hc32_to_cpu(fotg210, itd->hw_transaction[4]), in dbg_itd()
156 hc32_to_cpu(fotg210, itd->hw_transaction[5]), in dbg_itd()
157 hc32_to_cpu(fotg210, itd->hw_transaction[6]), in dbg_itd()
158 hc32_to_cpu(fotg210, itd->hw_transaction[7])); in dbg_itd()
160 fotg210_dbg(fotg210, in dbg_itd()
162 hc32_to_cpu(fotg210, itd->hw_bufp[0]), in dbg_itd()
163 hc32_to_cpu(fotg210, itd->hw_bufp[1]), in dbg_itd()
164 hc32_to_cpu(fotg210, itd->hw_bufp[2]), in dbg_itd()
165 hc32_to_cpu(fotg210, itd->hw_bufp[3]), in dbg_itd()
166 hc32_to_cpu(fotg210, itd->hw_bufp[4]), in dbg_itd()
167 hc32_to_cpu(fotg210, itd->hw_bufp[5]), in dbg_itd()
168 hc32_to_cpu(fotg210, itd->hw_bufp[6])); in dbg_itd()
170 fotg210_dbg(fotg210, " index: %d %d %d %d %d %d %d %d\n", in dbg_itd()
262 #define dbg_status(fotg210, label, status) { \ argument
265 fotg210_dbg(fotg210, "%s\n", _buf); \
268 #define dbg_cmd(fotg210, label, command) { \ argument
271 fotg210_dbg(fotg210, "%s\n", _buf); \
274 #define dbg_port(fotg210, label, port, status) { \ argument
276 fotg210_dbg(fotg210, "%s\n", \
339 static inline char token_mark(struct fotg210_hcd *fotg210, __hc32 token) in token_mark() argument
341 __u32 v = hc32_to_cpu(fotg210, token); in token_mark()
353 static void qh_lines(struct fotg210_hcd *fotg210, struct fotg210_qh *qh, in qh_lines() argument
363 __le32 list_end = FOTG210_LIST_END(fotg210); in qh_lines()
369 mark = token_mark(fotg210, hw->hw_token); in qh_lines()
371 if ((hw->hw_alt_next & QTD_MASK(fotg210)) == in qh_lines()
372 fotg210->async->hw->hw_alt_next) in qh_lines()
378 scratch = hc32_to_cpup(fotg210, &hw->hw_info1); in qh_lines()
379 hw_curr = (mark == '*') ? hc32_to_cpup(fotg210, &hw->hw_current) : 0; in qh_lines()
385 scratch, hc32_to_cpup(fotg210, &hw->hw_info2), in qh_lines()
386 hc32_to_cpup(fotg210, &hw->hw_token), mark, in qh_lines()
387 (cpu_to_hc32(fotg210, QTD_TOGGLE) & hw->hw_token) in qh_lines()
389 (hc32_to_cpup(fotg210, &hw->hw_alt_next) >> 1) & 0x0f); in qh_lines()
395 scratch = hc32_to_cpup(fotg210, &td->hw_token); in qh_lines()
399 else if (hw->hw_qtd_next == cpu_to_hc32(fotg210, td->qtd_dma)) in qh_lines()
402 if (td->hw_alt_next == fotg210->async->hw->hw_alt_next) in qh_lines()
447 struct fotg210_hcd *fotg210; in fill_async_buffer() local
454 fotg210 = hcd_to_fotg210(hcd); in fill_async_buffer()
464 spin_lock_irqsave(&fotg210->lock, flags); in fill_async_buffer()
465 for (qh = fotg210->async->qh_next.qh; size > 0 && qh; in fill_async_buffer()
467 qh_lines(fotg210, qh, &next, &size); in fill_async_buffer()
468 if (fotg210->async_unlink && size > 0) { in fill_async_buffer()
473 for (qh = fotg210->async_unlink; size > 0 && qh; in fill_async_buffer()
475 qh_lines(fotg210, qh, &next, &size); in fill_async_buffer()
477 spin_unlock_irqrestore(&fotg210->lock, flags); in fill_async_buffer()
483 static unsigned output_buf_tds_dir(char *buf, struct fotg210_hcd *fotg210, in output_buf_tds_dir() argument
486 u32 scratch = hc32_to_cpup(fotg210, &hw->hw_info1); in output_buf_tds_dir()
494 switch ((hc32_to_cpu(fotg210, qtd->hw_token) >> 8) & 0x03) { in output_buf_tds_dir()
514 struct fotg210_hcd *fotg210; in fill_periodic_buffer() local
529 fotg210 = hcd_to_fotg210(hcd); in fill_periodic_buffer()
533 temp = scnprintf(next, size, "size = %d\n", fotg210->periodic_size); in fill_periodic_buffer()
540 spin_lock_irqsave(&fotg210->lock, flags); in fill_periodic_buffer()
541 for (i = 0; i < fotg210->periodic_size; i++) { in fill_periodic_buffer()
542 p = fotg210->pshadow[i]; in fill_periodic_buffer()
546 tag = Q_NEXT_TYPE(fotg210, fotg210->periodic[i]); in fill_periodic_buffer()
555 switch (hc32_to_cpu(fotg210, tag)) { in fill_periodic_buffer()
560 hc32_to_cpup(fotg210, in fill_periodic_buffer()
582 fotg210, hw, in fill_periodic_buffer()
589 tag = Q_NEXT_TYPE(fotg210, hw->hw_next); in fill_periodic_buffer()
596 tag = Q_NEXT_TYPE(fotg210, p.fstn->hw_next); in fill_periodic_buffer()
602 tag = Q_NEXT_TYPE(fotg210, p.itd->hw_next); in fill_periodic_buffer()
614 spin_unlock_irqrestore(&fotg210->lock, flags); in fill_periodic_buffer()
621 static const char *rh_state_string(struct fotg210_hcd *fotg210) in rh_state_string() argument
623 switch (fotg210->rh_state) { in rh_state_string()
639 struct fotg210_hcd *fotg210; in fill_registers_buffer() local
647 fotg210 = hcd_to_fotg210(hcd); in fill_registers_buffer()
651 spin_lock_irqsave(&fotg210->lock, flags); in fill_registers_buffer()
665 i = HC_VERSION(fotg210, fotg210_readl(fotg210, in fill_registers_buffer()
666 &fotg210->caps->hc_capbase)); in fill_registers_buffer()
674 i >> 8, i & 0x0ff, rh_state_string(fotg210)); in fill_registers_buffer()
679 i = fotg210_readl(fotg210, &fotg210->caps->hcs_params); in fill_registers_buffer()
684 i = fotg210_readl(fotg210, &fotg210->caps->hcc_params); in fill_registers_buffer()
691 fotg210_readl(fotg210, &fotg210->regs->status)); in fill_registers_buffer()
697 fotg210_readl(fotg210, &fotg210->regs->command)); in fill_registers_buffer()
703 fotg210_readl(fotg210, &fotg210->regs->intr_enable)); in fill_registers_buffer()
709 fotg210_read_frame_index(fotg210)); in fill_registers_buffer()
713 if (fotg210->async_unlink) { in fill_registers_buffer()
715 fotg210->async_unlink); in fill_registers_buffer()
723 fotg210->stats.normal, fotg210->stats.error, in fill_registers_buffer()
724 fotg210->stats.iaa, fotg210->stats.lost_iaa); in fill_registers_buffer()
729 fotg210->stats.complete, fotg210->stats.unlink); in fill_registers_buffer()
735 spin_unlock_irqrestore(&fotg210->lock, flags); in fill_registers_buffer()
843 static inline void create_debug_files(struct fotg210_hcd *fotg210) in create_debug_files() argument
845 struct usb_bus *bus = &fotg210_to_hcd(fotg210)->self; in create_debug_files()
857 static inline void remove_debug_files(struct fotg210_hcd *fotg210) in remove_debug_files() argument
859 struct usb_bus *bus = &fotg210_to_hcd(fotg210)->self; in remove_debug_files()
880 static int handshake(struct fotg210_hcd *fotg210, void __iomem *ptr, in handshake() argument
898 static int fotg210_halt(struct fotg210_hcd *fotg210) in fotg210_halt() argument
902 spin_lock_irq(&fotg210->lock); in fotg210_halt()
905 fotg210_writel(fotg210, 0, &fotg210->regs->intr_enable); in fotg210_halt()
911 fotg210->command &= ~CMD_RUN; in fotg210_halt()
912 temp = fotg210_readl(fotg210, &fotg210->regs->command); in fotg210_halt()
914 fotg210_writel(fotg210, temp, &fotg210->regs->command); in fotg210_halt()
916 spin_unlock_irq(&fotg210->lock); in fotg210_halt()
917 synchronize_irq(fotg210_to_hcd(fotg210)->irq); in fotg210_halt()
919 return handshake(fotg210, &fotg210->regs->status, in fotg210_halt()
926 static int fotg210_reset(struct fotg210_hcd *fotg210) in fotg210_reset() argument
929 u32 command = fotg210_readl(fotg210, &fotg210->regs->command); in fotg210_reset()
934 if (fotg210->debug && !dbgp_reset_prep(fotg210_to_hcd(fotg210))) in fotg210_reset()
935 fotg210->debug = NULL; in fotg210_reset()
938 dbg_cmd(fotg210, "reset", command); in fotg210_reset()
939 fotg210_writel(fotg210, command, &fotg210->regs->command); in fotg210_reset()
940 fotg210->rh_state = FOTG210_RH_HALTED; in fotg210_reset()
941 fotg210->next_statechange = jiffies; in fotg210_reset()
942 retval = handshake(fotg210, &fotg210->regs->command, in fotg210_reset()
948 if (fotg210->debug) in fotg210_reset()
949 dbgp_external_startup(fotg210_to_hcd(fotg210)); in fotg210_reset()
951 fotg210->port_c_suspend = fotg210->suspended_ports = in fotg210_reset()
952 fotg210->resuming_ports = 0; in fotg210_reset()
959 static void fotg210_quiesce(struct fotg210_hcd *fotg210) in fotg210_quiesce() argument
963 if (fotg210->rh_state != FOTG210_RH_RUNNING) in fotg210_quiesce()
967 temp = (fotg210->command << 10) & (STS_ASS | STS_PSS); in fotg210_quiesce()
968 handshake(fotg210, &fotg210->regs->status, STS_ASS | STS_PSS, temp, in fotg210_quiesce()
972 spin_lock_irq(&fotg210->lock); in fotg210_quiesce()
973 fotg210->command &= ~(CMD_ASE | CMD_PSE); in fotg210_quiesce()
974 fotg210_writel(fotg210, fotg210->command, &fotg210->regs->command); in fotg210_quiesce()
975 spin_unlock_irq(&fotg210->lock); in fotg210_quiesce()
978 handshake(fotg210, &fotg210->regs->status, STS_ASS | STS_PSS, 0, in fotg210_quiesce()
982 static void end_unlink_async(struct fotg210_hcd *fotg210);
983 static void unlink_empty_async(struct fotg210_hcd *fotg210);
984 static void fotg210_work(struct fotg210_hcd *fotg210);
985 static void start_unlink_intr(struct fotg210_hcd *fotg210,
987 static void end_unlink_intr(struct fotg210_hcd *fotg210, struct fotg210_qh *qh);
990 static void fotg210_set_command_bit(struct fotg210_hcd *fotg210, u32 bit) in fotg210_set_command_bit() argument
992 fotg210->command |= bit; in fotg210_set_command_bit()
993 fotg210_writel(fotg210, fotg210->command, &fotg210->regs->command); in fotg210_set_command_bit()
996 fotg210_readl(fotg210, &fotg210->regs->command); in fotg210_set_command_bit()
1000 static void fotg210_clear_command_bit(struct fotg210_hcd *fotg210, u32 bit) in fotg210_clear_command_bit() argument
1002 fotg210->command &= ~bit; in fotg210_clear_command_bit()
1003 fotg210_writel(fotg210, fotg210->command, &fotg210->regs->command); in fotg210_clear_command_bit()
1006 fotg210_readl(fotg210, &fotg210->regs->command); in fotg210_clear_command_bit()
1049 static void fotg210_enable_event(struct fotg210_hcd *fotg210, unsigned event, in fotg210_enable_event() argument
1052 ktime_t *timeout = &fotg210->hr_timeouts[event]; in fotg210_enable_event()
1056 fotg210->enabled_hrtimer_events |= (1 << event); in fotg210_enable_event()
1059 if (event < fotg210->next_hrtimer_event) { in fotg210_enable_event()
1060 fotg210->next_hrtimer_event = event; in fotg210_enable_event()
1061 hrtimer_start_range_ns(&fotg210->hrtimer, *timeout, in fotg210_enable_event()
1068 static void fotg210_poll_ASS(struct fotg210_hcd *fotg210) in fotg210_poll_ASS() argument
1073 if (fotg210->rh_state != FOTG210_RH_RUNNING) in fotg210_poll_ASS()
1076 want = (fotg210->command & CMD_ASE) ? STS_ASS : 0; in fotg210_poll_ASS()
1077 actual = fotg210_readl(fotg210, &fotg210->regs->status) & STS_ASS; in fotg210_poll_ASS()
1082 if (fotg210->ASS_poll_count++ < 20) { in fotg210_poll_ASS()
1083 fotg210_enable_event(fotg210, FOTG210_HRTIMER_POLL_ASS, in fotg210_poll_ASS()
1087 fotg210_dbg(fotg210, "Waited too long for the async schedule status (%x/%x), giving up\n", in fotg210_poll_ASS()
1090 fotg210->ASS_poll_count = 0; in fotg210_poll_ASS()
1094 if (fotg210->async_count > 0) in fotg210_poll_ASS()
1095 fotg210_set_command_bit(fotg210, CMD_ASE); in fotg210_poll_ASS()
1098 if (fotg210->async_count == 0) { in fotg210_poll_ASS()
1101 fotg210_enable_event(fotg210, in fotg210_poll_ASS()
1109 static void fotg210_disable_ASE(struct fotg210_hcd *fotg210) in fotg210_disable_ASE() argument
1111 fotg210_clear_command_bit(fotg210, CMD_ASE); in fotg210_disable_ASE()
1116 static void fotg210_poll_PSS(struct fotg210_hcd *fotg210) in fotg210_poll_PSS() argument
1121 if (fotg210->rh_state != FOTG210_RH_RUNNING) in fotg210_poll_PSS()
1124 want = (fotg210->command & CMD_PSE) ? STS_PSS : 0; in fotg210_poll_PSS()
1125 actual = fotg210_readl(fotg210, &fotg210->regs->status) & STS_PSS; in fotg210_poll_PSS()
1130 if (fotg210->PSS_poll_count++ < 20) { in fotg210_poll_PSS()
1131 fotg210_enable_event(fotg210, FOTG210_HRTIMER_POLL_PSS, in fotg210_poll_PSS()
1135 fotg210_dbg(fotg210, "Waited too long for the periodic schedule status (%x/%x), giving up\n", in fotg210_poll_PSS()
1138 fotg210->PSS_poll_count = 0; in fotg210_poll_PSS()
1142 if (fotg210->periodic_count > 0) in fotg210_poll_PSS()
1143 fotg210_set_command_bit(fotg210, CMD_PSE); in fotg210_poll_PSS()
1146 if (fotg210->periodic_count == 0) { in fotg210_poll_PSS()
1149 fotg210_enable_event(fotg210, in fotg210_poll_PSS()
1157 static void fotg210_disable_PSE(struct fotg210_hcd *fotg210) in fotg210_disable_PSE() argument
1159 fotg210_clear_command_bit(fotg210, CMD_PSE); in fotg210_disable_PSE()
1164 static void fotg210_handle_controller_death(struct fotg210_hcd *fotg210) in fotg210_handle_controller_death() argument
1166 if (!(fotg210_readl(fotg210, &fotg210->regs->status) & STS_HALT)) { in fotg210_handle_controller_death()
1169 if (fotg210->died_poll_count++ < 5) { in fotg210_handle_controller_death()
1171 fotg210_enable_event(fotg210, in fotg210_handle_controller_death()
1175 fotg210_warn(fotg210, "Waited too long for the controller to stop, giving up\n"); in fotg210_handle_controller_death()
1179 fotg210->rh_state = FOTG210_RH_HALTED; in fotg210_handle_controller_death()
1180 fotg210_writel(fotg210, 0, &fotg210->regs->intr_enable); in fotg210_handle_controller_death()
1181 fotg210_work(fotg210); in fotg210_handle_controller_death()
1182 end_unlink_async(fotg210); in fotg210_handle_controller_death()
1189 static void fotg210_handle_intr_unlinks(struct fotg210_hcd *fotg210) in fotg210_handle_intr_unlinks() argument
1191 bool stopped = (fotg210->rh_state < FOTG210_RH_RUNNING); in fotg210_handle_intr_unlinks()
1200 fotg210->intr_unlinking = true; in fotg210_handle_intr_unlinks()
1201 while (fotg210->intr_unlink) { in fotg210_handle_intr_unlinks()
1202 struct fotg210_qh *qh = fotg210->intr_unlink; in fotg210_handle_intr_unlinks()
1204 if (!stopped && qh->unlink_cycle == fotg210->intr_unlink_cycle) in fotg210_handle_intr_unlinks()
1206 fotg210->intr_unlink = qh->unlink_next; in fotg210_handle_intr_unlinks()
1208 end_unlink_intr(fotg210, qh); in fotg210_handle_intr_unlinks()
1212 if (fotg210->intr_unlink) { in fotg210_handle_intr_unlinks()
1213 fotg210_enable_event(fotg210, FOTG210_HRTIMER_UNLINK_INTR, in fotg210_handle_intr_unlinks()
1215 ++fotg210->intr_unlink_cycle; in fotg210_handle_intr_unlinks()
1217 fotg210->intr_unlinking = false; in fotg210_handle_intr_unlinks()
1222 static void start_free_itds(struct fotg210_hcd *fotg210) in start_free_itds() argument
1224 if (!(fotg210->enabled_hrtimer_events & in start_free_itds()
1226 fotg210->last_itd_to_free = list_entry( in start_free_itds()
1227 fotg210->cached_itd_list.prev, in start_free_itds()
1229 fotg210_enable_event(fotg210, FOTG210_HRTIMER_FREE_ITDS, true); in start_free_itds()
1234 static void end_free_itds(struct fotg210_hcd *fotg210) in end_free_itds() argument
1238 if (fotg210->rh_state < FOTG210_RH_RUNNING) in end_free_itds()
1239 fotg210->last_itd_to_free = NULL; in end_free_itds()
1241 list_for_each_entry_safe(itd, n, &fotg210->cached_itd_list, itd_list) { in end_free_itds()
1243 dma_pool_free(fotg210->itd_pool, itd, itd->itd_dma); in end_free_itds()
1244 if (itd == fotg210->last_itd_to_free) in end_free_itds()
1248 if (!list_empty(&fotg210->cached_itd_list)) in end_free_itds()
1249 start_free_itds(fotg210); in end_free_itds()
1254 static void fotg210_iaa_watchdog(struct fotg210_hcd *fotg210) in fotg210_iaa_watchdog() argument
1256 if (fotg210->rh_state != FOTG210_RH_RUNNING) in fotg210_iaa_watchdog()
1265 if (fotg210->async_iaa) { in fotg210_iaa_watchdog()
1274 cmd = fotg210_readl(fotg210, &fotg210->regs->command); in fotg210_iaa_watchdog()
1283 status = fotg210_readl(fotg210, &fotg210->regs->status); in fotg210_iaa_watchdog()
1285 INCR(fotg210->stats.lost_iaa); in fotg210_iaa_watchdog()
1286 fotg210_writel(fotg210, STS_IAA, in fotg210_iaa_watchdog()
1287 &fotg210->regs->status); in fotg210_iaa_watchdog()
1290 fotg210_dbg(fotg210, "IAA watchdog: status %x cmd %x\n", in fotg210_iaa_watchdog()
1292 end_unlink_async(fotg210); in fotg210_iaa_watchdog()
1298 static void turn_on_io_watchdog(struct fotg210_hcd *fotg210) in turn_on_io_watchdog() argument
1301 if (fotg210->rh_state != FOTG210_RH_RUNNING || in turn_on_io_watchdog()
1302 (fotg210->enabled_hrtimer_events & in turn_on_io_watchdog()
1310 if (fotg210->isoc_count > 0 || (fotg210->need_io_watchdog && in turn_on_io_watchdog()
1311 fotg210->async_count + fotg210->intr_count > 0)) in turn_on_io_watchdog()
1312 fotg210_enable_event(fotg210, FOTG210_HRTIMER_IO_WATCHDOG, in turn_on_io_watchdog()
1336 struct fotg210_hcd *fotg210 = in fotg210_hrtimer_func() local
1343 spin_lock_irqsave(&fotg210->lock, flags); in fotg210_hrtimer_func()
1345 events = fotg210->enabled_hrtimer_events; in fotg210_hrtimer_func()
1346 fotg210->enabled_hrtimer_events = 0; in fotg210_hrtimer_func()
1347 fotg210->next_hrtimer_event = FOTG210_HRTIMER_NO_EVENT; in fotg210_hrtimer_func()
1355 if (ktime_compare(now, fotg210->hr_timeouts[e]) >= 0) in fotg210_hrtimer_func()
1356 event_handlers[e](fotg210); in fotg210_hrtimer_func()
1358 fotg210_enable_event(fotg210, e, false); in fotg210_hrtimer_func()
1361 spin_unlock_irqrestore(&fotg210->lock, flags); in fotg210_hrtimer_func()
1368 static int check_reset_complete(struct fotg210_hcd *fotg210, int index, in check_reset_complete() argument
1377 fotg210_dbg(fotg210, "Failed to enable port %d on root hub TT\n", in check_reset_complete()
1380 fotg210_dbg(fotg210, "port %d reset complete, port enabled\n", in check_reset_complete()
1391 struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); in fotg210_hub_status_data() local
1403 status = fotg210->resuming_ports; in fotg210_hub_status_data()
1411 spin_lock_irqsave(&fotg210->lock, flags); in fotg210_hub_status_data()
1413 temp = fotg210_readl(fotg210, &fotg210->regs->port_status); in fotg210_hub_status_data()
1422 if ((temp & mask) != 0 || test_bit(0, &fotg210->port_c_suspend) || in fotg210_hub_status_data()
1423 (fotg210->reset_done[0] && in fotg210_hub_status_data()
1424 time_after_eq(jiffies, fotg210->reset_done[0]))) { in fotg210_hub_status_data()
1429 spin_unlock_irqrestore(&fotg210->lock, flags); in fotg210_hub_status_data()
1433 static void fotg210_hub_descriptor(struct fotg210_hcd *fotg210, in fotg210_hub_descriptor() argument
1436 int ports = HCS_N_PORTS(fotg210->hcs_params); in fotg210_hub_descriptor()
1459 struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); in fotg210_hub_control() local
1460 int ports = HCS_N_PORTS(fotg210->hcs_params); in fotg210_hub_control()
1461 u32 __iomem *status_reg = &fotg210->regs->port_status; in fotg210_hub_control()
1474 spin_lock_irqsave(&fotg210->lock, flags); in fotg210_hub_control()
1490 temp = fotg210_readl(fotg210, status_reg); in fotg210_hub_control()
1502 fotg210_writel(fotg210, temp & ~PORT_PE, status_reg); in fotg210_hub_control()
1505 fotg210_writel(fotg210, temp | PORT_PEC, status_reg); in fotg210_hub_control()
1516 fotg210_writel(fotg210, temp | PORT_RESUME, status_reg); in fotg210_hub_control()
1517 fotg210->reset_done[wIndex] = jiffies in fotg210_hub_control()
1521 clear_bit(wIndex, &fotg210->port_c_suspend); in fotg210_hub_control()
1524 fotg210_writel(fotg210, temp | PORT_CSC, status_reg); in fotg210_hub_control()
1527 fotg210_writel(fotg210, temp | OTGISR_OVC, in fotg210_hub_control()
1528 &fotg210->regs->otgisr); in fotg210_hub_control()
1536 fotg210_readl(fotg210, &fotg210->regs->command); in fotg210_hub_control()
1539 fotg210_hub_descriptor(fotg210, (struct usb_hub_descriptor *) in fotg210_hub_control()
1552 temp = fotg210_readl(fotg210, status_reg); in fotg210_hub_control()
1560 temp1 = fotg210_readl(fotg210, &fotg210->regs->otgisr); in fotg210_hub_control()
1568 if (!fotg210->reset_done[wIndex]) { in fotg210_hub_control()
1570 fotg210->reset_done[wIndex] = jiffies in fotg210_hub_control()
1573 mod_timer(&fotg210_to_hcd(fotg210)->rh_timer, in fotg210_hub_control()
1574 fotg210->reset_done[wIndex]); in fotg210_hub_control()
1579 fotg210->reset_done[wIndex])) { in fotg210_hub_control()
1580 clear_bit(wIndex, &fotg210->suspended_ports); in fotg210_hub_control()
1581 set_bit(wIndex, &fotg210->port_c_suspend); in fotg210_hub_control()
1582 fotg210->reset_done[wIndex] = 0; in fotg210_hub_control()
1585 temp = fotg210_readl(fotg210, status_reg); in fotg210_hub_control()
1586 fotg210_writel(fotg210, temp & in fotg210_hub_control()
1589 clear_bit(wIndex, &fotg210->resuming_ports); in fotg210_hub_control()
1590 retval = handshake(fotg210, status_reg, in fotg210_hub_control()
1593 fotg210_err(fotg210, in fotg210_hub_control()
1604 fotg210->reset_done[wIndex])) { in fotg210_hub_control()
1606 fotg210->reset_done[wIndex] = 0; in fotg210_hub_control()
1607 clear_bit(wIndex, &fotg210->resuming_ports); in fotg210_hub_control()
1610 fotg210_writel(fotg210, in fotg210_hub_control()
1616 retval = handshake(fotg210, status_reg, in fotg210_hub_control()
1619 fotg210_err(fotg210, "port %d reset error %d\n", in fotg210_hub_control()
1625 temp = check_reset_complete(fotg210, wIndex, status_reg, in fotg210_hub_control()
1626 fotg210_readl(fotg210, status_reg)); in fotg210_hub_control()
1629 fotg210->command |= CMD_RUN; in fotg210_hub_control()
1630 fotg210_writel(fotg210, fotg210->command, &fotg210->regs->command); in fotg210_hub_control()
1634 fotg210->reset_done[wIndex] = 0; in fotg210_hub_control()
1635 clear_bit(wIndex, &fotg210->resuming_ports); in fotg210_hub_control()
1640 test_bit(wIndex, &fotg210->companion_ports)) { in fotg210_hub_control()
1642 fotg210_writel(fotg210, temp, status_reg); in fotg210_hub_control()
1643 fotg210_dbg(fotg210, "port %d --> companion\n", in fotg210_hub_control()
1645 temp = fotg210_readl(fotg210, status_reg); in fotg210_hub_control()
1656 status |= fotg210_port_speed(fotg210, temp); in fotg210_hub_control()
1664 } else if (test_bit(wIndex, &fotg210->suspended_ports)) { in fotg210_hub_control()
1665 clear_bit(wIndex, &fotg210->suspended_ports); in fotg210_hub_control()
1666 clear_bit(wIndex, &fotg210->resuming_ports); in fotg210_hub_control()
1667 fotg210->reset_done[wIndex] = 0; in fotg210_hub_control()
1669 set_bit(wIndex, &fotg210->port_c_suspend); in fotg210_hub_control()
1672 temp1 = fotg210_readl(fotg210, &fotg210->regs->otgisr); in fotg210_hub_control()
1677 if (test_bit(wIndex, &fotg210->port_c_suspend)) in fotg210_hub_control()
1681 dbg_port(fotg210, "GetStatus", wIndex + 1, temp); in fotg210_hub_control()
1701 temp = fotg210_readl(fotg210, status_reg); in fotg210_hub_control()
1713 fotg210_writel(fotg210, temp | PORT_SUSPEND, in fotg210_hub_control()
1715 set_bit(wIndex, &fotg210->suspended_ports); in fotg210_hub_control()
1724 fotg210_dbg(fotg210, "port %d reset\n", wIndex + 1); in fotg210_hub_control()
1732 fotg210->reset_done[wIndex] = jiffies in fotg210_hub_control()
1734 fotg210_writel(fotg210, temp, status_reg); in fotg210_hub_control()
1746 spin_unlock_irqrestore(&fotg210->lock, flags); in fotg210_hub_control()
1747 fotg210_quiesce(fotg210); in fotg210_hub_control()
1748 spin_lock_irqsave(&fotg210->lock, flags); in fotg210_hub_control()
1751 temp = fotg210_readl(fotg210, status_reg) & in fotg210_hub_control()
1754 fotg210_writel(fotg210, temp | PORT_SUSPEND, in fotg210_hub_control()
1757 spin_unlock_irqrestore(&fotg210->lock, flags); in fotg210_hub_control()
1758 fotg210_halt(fotg210); in fotg210_hub_control()
1759 spin_lock_irqsave(&fotg210->lock, flags); in fotg210_hub_control()
1761 temp = fotg210_readl(fotg210, status_reg); in fotg210_hub_control()
1763 fotg210_writel(fotg210, temp, status_reg); in fotg210_hub_control()
1769 fotg210_readl(fotg210, &fotg210->regs->command); in fotg210_hub_control()
1777 spin_unlock_irqrestore(&fotg210->lock, flags); in fotg210_hub_control()
1804 static inline void fotg210_qtd_init(struct fotg210_hcd *fotg210, in fotg210_qtd_init() argument
1809 qtd->hw_token = cpu_to_hc32(fotg210, QTD_STS_HALT); in fotg210_qtd_init()
1810 qtd->hw_next = FOTG210_LIST_END(fotg210); in fotg210_qtd_init()
1811 qtd->hw_alt_next = FOTG210_LIST_END(fotg210); in fotg210_qtd_init()
1815 static struct fotg210_qtd *fotg210_qtd_alloc(struct fotg210_hcd *fotg210, in fotg210_qtd_alloc() argument
1821 qtd = dma_pool_alloc(fotg210->qtd_pool, flags, &dma); in fotg210_qtd_alloc()
1823 fotg210_qtd_init(fotg210, qtd, dma); in fotg210_qtd_alloc()
1828 static inline void fotg210_qtd_free(struct fotg210_hcd *fotg210, in fotg210_qtd_free() argument
1831 dma_pool_free(fotg210->qtd_pool, qtd, qtd->qtd_dma); in fotg210_qtd_free()
1835 static void qh_destroy(struct fotg210_hcd *fotg210, struct fotg210_qh *qh) in qh_destroy() argument
1839 fotg210_dbg(fotg210, "unused qh not empty!\n"); in qh_destroy()
1843 fotg210_qtd_free(fotg210, qh->dummy); in qh_destroy()
1844 dma_pool_free(fotg210->qh_pool, qh->hw, qh->qh_dma); in qh_destroy()
1848 static struct fotg210_qh *fotg210_qh_alloc(struct fotg210_hcd *fotg210, in fotg210_qh_alloc() argument
1858 dma_pool_zalloc(fotg210->qh_pool, flags, &dma); in fotg210_qh_alloc()
1865 qh->dummy = fotg210_qtd_alloc(fotg210, flags); in fotg210_qh_alloc()
1867 fotg210_dbg(fotg210, "no dummy td\n"); in fotg210_qh_alloc()
1873 dma_pool_free(fotg210->qh_pool, qh->hw, qh->qh_dma); in fotg210_qh_alloc()
1884 static void fotg210_mem_cleanup(struct fotg210_hcd *fotg210) in fotg210_mem_cleanup() argument
1886 if (fotg210->async) in fotg210_mem_cleanup()
1887 qh_destroy(fotg210, fotg210->async); in fotg210_mem_cleanup()
1888 fotg210->async = NULL; in fotg210_mem_cleanup()
1890 if (fotg210->dummy) in fotg210_mem_cleanup()
1891 qh_destroy(fotg210, fotg210->dummy); in fotg210_mem_cleanup()
1892 fotg210->dummy = NULL; in fotg210_mem_cleanup()
1895 dma_pool_destroy(fotg210->qtd_pool); in fotg210_mem_cleanup()
1896 fotg210->qtd_pool = NULL; in fotg210_mem_cleanup()
1898 dma_pool_destroy(fotg210->qh_pool); in fotg210_mem_cleanup()
1899 fotg210->qh_pool = NULL; in fotg210_mem_cleanup()
1901 dma_pool_destroy(fotg210->itd_pool); in fotg210_mem_cleanup()
1902 fotg210->itd_pool = NULL; in fotg210_mem_cleanup()
1904 if (fotg210->periodic) in fotg210_mem_cleanup()
1905 dma_free_coherent(fotg210_to_hcd(fotg210)->self.controller, in fotg210_mem_cleanup()
1906 fotg210->periodic_size * sizeof(u32), in fotg210_mem_cleanup()
1907 fotg210->periodic, fotg210->periodic_dma); in fotg210_mem_cleanup()
1908 fotg210->periodic = NULL; in fotg210_mem_cleanup()
1911 kfree(fotg210->pshadow); in fotg210_mem_cleanup()
1912 fotg210->pshadow = NULL; in fotg210_mem_cleanup()
1916 static int fotg210_mem_init(struct fotg210_hcd *fotg210, gfp_t flags) in fotg210_mem_init() argument
1921 fotg210->qtd_pool = dma_pool_create("fotg210_qtd", in fotg210_mem_init()
1922 fotg210_to_hcd(fotg210)->self.controller, in fotg210_mem_init()
1926 if (!fotg210->qtd_pool) in fotg210_mem_init()
1930 fotg210->qh_pool = dma_pool_create("fotg210_qh", in fotg210_mem_init()
1931 fotg210_to_hcd(fotg210)->self.controller, in fotg210_mem_init()
1935 if (!fotg210->qh_pool) in fotg210_mem_init()
1938 fotg210->async = fotg210_qh_alloc(fotg210, flags); in fotg210_mem_init()
1939 if (!fotg210->async) in fotg210_mem_init()
1943 fotg210->itd_pool = dma_pool_create("fotg210_itd", in fotg210_mem_init()
1944 fotg210_to_hcd(fotg210)->self.controller, in fotg210_mem_init()
1948 if (!fotg210->itd_pool) in fotg210_mem_init()
1952 fotg210->periodic = in fotg210_mem_init()
1953 dma_alloc_coherent(fotg210_to_hcd(fotg210)->self.controller, in fotg210_mem_init()
1954 fotg210->periodic_size * sizeof(__le32), in fotg210_mem_init()
1955 &fotg210->periodic_dma, 0); in fotg210_mem_init()
1956 if (fotg210->periodic == NULL) in fotg210_mem_init()
1959 for (i = 0; i < fotg210->periodic_size; i++) in fotg210_mem_init()
1960 fotg210->periodic[i] = FOTG210_LIST_END(fotg210); in fotg210_mem_init()
1963 fotg210->pshadow = kcalloc(fotg210->periodic_size, sizeof(void *), in fotg210_mem_init()
1965 if (fotg210->pshadow != NULL) in fotg210_mem_init()
1969 fotg210_dbg(fotg210, "couldn't init memory\n"); in fotg210_mem_init()
1970 fotg210_mem_cleanup(fotg210); in fotg210_mem_init()
1991 static int qtd_fill(struct fotg210_hcd *fotg210, struct fotg210_qtd *qtd, in qtd_fill() argument
1998 qtd->hw_buf[0] = cpu_to_hc32(fotg210, (u32)addr); in qtd_fill()
1999 qtd->hw_buf_hi[0] = cpu_to_hc32(fotg210, (u32)(addr >> 32)); in qtd_fill()
2010 qtd->hw_buf[i] = cpu_to_hc32(fotg210, (u32)addr); in qtd_fill()
2011 qtd->hw_buf_hi[i] = cpu_to_hc32(fotg210, in qtd_fill()
2024 qtd->hw_token = cpu_to_hc32(fotg210, (count << 16) | token); in qtd_fill()
2030 static inline void qh_update(struct fotg210_hcd *fotg210, in qh_update() argument
2038 hw->hw_qtd_next = QTD_NEXT(fotg210, qtd->qtd_dma); in qh_update()
2039 hw->hw_alt_next = FOTG210_LIST_END(fotg210); in qh_update()
2046 if (!(hw->hw_info1 & cpu_to_hc32(fotg210, QH_TOGGLE_CTL))) { in qh_update()
2050 epnum = (hc32_to_cpup(fotg210, &hw->hw_info1) >> 8) & 0x0f; in qh_update()
2052 hw->hw_token &= ~cpu_to_hc32(fotg210, QTD_TOGGLE); in qh_update()
2057 hw->hw_token &= cpu_to_hc32(fotg210, QTD_TOGGLE | QTD_STS_PING); in qh_update()
2064 static void qh_refresh(struct fotg210_hcd *fotg210, struct fotg210_qh *qh) in qh_refresh() argument
2080 if (cpu_to_hc32(fotg210, qtd->qtd_dma) == qh->hw->hw_current) { in qh_refresh()
2087 qh_update(fotg210, qh, qtd); in qh_refresh()
2090 static void qh_link_async(struct fotg210_hcd *fotg210, struct fotg210_qh *qh);
2095 struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); in fotg210_clear_tt_buffer_complete() local
2099 spin_lock_irqsave(&fotg210->lock, flags); in fotg210_clear_tt_buffer_complete()
2102 && fotg210->rh_state == FOTG210_RH_RUNNING) in fotg210_clear_tt_buffer_complete()
2103 qh_link_async(fotg210, qh); in fotg210_clear_tt_buffer_complete()
2104 spin_unlock_irqrestore(&fotg210->lock, flags); in fotg210_clear_tt_buffer_complete()
2107 static void fotg210_clear_tt_buffer(struct fotg210_hcd *fotg210, in fotg210_clear_tt_buffer() argument
2126 fotg210_to_hcd(fotg210)->self.root_hub) { in fotg210_clear_tt_buffer()
2133 static int qtd_copy_status(struct fotg210_hcd *fotg210, struct urb *urb, in qtd_copy_status() argument
2172 fotg210_dbg(fotg210, "devpath %s ep%d%s 3strikes\n", in qtd_copy_status()
2181 fotg210_dbg(fotg210, in qtd_copy_status()
2192 static void fotg210_urb_done(struct fotg210_hcd *fotg210, struct urb *urb, in fotg210_urb_done() argument
2194 __releases(fotg210->lock) in fotg210_urb_done()
2195 __acquires(fotg210->lock) in fotg210_urb_done()
2201 if ((qh->hw->hw_info2 & cpu_to_hc32(fotg210, QH_SMASK)) != 0) { in fotg210_urb_done()
2204 fotg210_to_hcd(fotg210)->self.bandwidth_int_reqs--; in fotg210_urb_done()
2209 INCR(fotg210->stats.unlink); in fotg210_urb_done()
2214 INCR(fotg210->stats.complete); in fotg210_urb_done()
2218 fotg210_dbg(fotg210, in fotg210_urb_done()
2228 usb_hcd_unlink_urb_from_ep(fotg210_to_hcd(fotg210), urb); in fotg210_urb_done()
2229 spin_unlock(&fotg210->lock); in fotg210_urb_done()
2230 usb_hcd_giveback_urb(fotg210_to_hcd(fotg210), urb, status); in fotg210_urb_done()
2231 spin_lock(&fotg210->lock); in fotg210_urb_done()
2234 static int qh_schedule(struct fotg210_hcd *fotg210, struct fotg210_qh *qh);
2240 static unsigned qh_completions(struct fotg210_hcd *fotg210, in qh_completions() argument
2287 fotg210_urb_done(fotg210, last->urb, in qh_completions()
2292 fotg210_qtd_free(fotg210, last); in qh_completions()
2302 token = hc32_to_cpu(fotg210, qtd->hw_token); in qh_completions()
2310 fotg210_dbg(fotg210, in qh_completions()
2329 fotg210_dbg(fotg210, in qh_completions()
2343 qtd->hw_token = cpu_to_hc32(fotg210, in qh_completions()
2346 hw->hw_token = cpu_to_hc32(fotg210, in qh_completions()
2363 FOTG210_LIST_END(fotg210))) { in qh_completions()
2369 && fotg210->rh_state >= FOTG210_RH_RUNNING)) { in qh_completions()
2377 if (fotg210->rh_state < FOTG210_RH_RUNNING) in qh_completions()
2388 cpu_to_hc32(fotg210, qtd->qtd_dma) in qh_completions()
2390 token = hc32_to_cpu(fotg210, hw->hw_token); in qh_completions()
2396 fotg210_clear_tt_buffer(fotg210, qh, urb, in qh_completions()
2409 last_status = qtd_copy_status(fotg210, urb, in qh_completions()
2413 FOTG210_LIST_END(fotg210))) in qh_completions()
2431 fotg210_clear_tt_buffer(fotg210, qh, in qh_completions()
2455 fotg210_urb_done(fotg210, last->urb, last_status); in qh_completions()
2457 fotg210_qtd_free(fotg210, last); in qh_completions()
2482 if (stopped != 0 || hw->hw_qtd_next == FOTG210_LIST_END(fotg210)) { in qh_completions()
2485 qh_refresh(fotg210, qh); in qh_completions()
2513 static void qtd_list_free(struct fotg210_hcd *fotg210, struct urb *urb, in qtd_list_free() argument
2520 fotg210_qtd_free(fotg210, qtd); in qtd_list_free()
2526 static struct list_head *qh_urb_transaction(struct fotg210_hcd *fotg210, in qh_urb_transaction() argument
2540 qtd = fotg210_qtd_alloc(fotg210, flags); in qh_urb_transaction()
2554 qtd_fill(fotg210, qtd, urb->setup_dma, in qh_urb_transaction()
2561 qtd = fotg210_qtd_alloc(fotg210, flags); in qh_urb_transaction()
2565 qtd_prev->hw_next = QTD_NEXT(fotg210, qtd->qtd_dma); in qh_urb_transaction()
2605 this_qtd_len = qtd_fill(fotg210, qtd, buf, this_sg_len, token, in qh_urb_transaction()
2617 qtd->hw_alt_next = fotg210->async->hw->hw_alt_next; in qh_urb_transaction()
2632 qtd = fotg210_qtd_alloc(fotg210, flags); in qh_urb_transaction()
2636 qtd_prev->hw_next = QTD_NEXT(fotg210, qtd->qtd_dma); in qh_urb_transaction()
2647 qtd->hw_alt_next = FOTG210_LIST_END(fotg210); in qh_urb_transaction()
2668 qtd = fotg210_qtd_alloc(fotg210, flags); in qh_urb_transaction()
2672 qtd_prev->hw_next = QTD_NEXT(fotg210, qtd->qtd_dma); in qh_urb_transaction()
2676 qtd_fill(fotg210, qtd, 0, 0, token, 0); in qh_urb_transaction()
2682 qtd->hw_token |= cpu_to_hc32(fotg210, QTD_IOC); in qh_urb_transaction()
2686 qtd_list_free(fotg210, urb, head); in qh_urb_transaction()
2705 static struct fotg210_qh *qh_make(struct fotg210_hcd *fotg210, struct urb *urb, in qh_make() argument
2708 struct fotg210_qh *qh = fotg210_qh_alloc(fotg210, flags); in qh_make()
2736 fotg210_dbg(fotg210, "bogus qh maxpacket %d\n", maxp); in qh_make()
2764 } else if (qh->period > fotg210->periodic_size) { in qh_make()
2765 qh->period = fotg210->periodic_size; in qh_make()
2789 if (qh->period > fotg210->periodic_size) { in qh_make()
2790 qh->period = fotg210->periodic_size; in qh_make()
2820 if (fotg210_has_fsl_portno_bug(fotg210)) in qh_make()
2828 if (tt && tt->hub != fotg210_to_hcd(fotg210)->self.root_hub) in qh_make()
2858 fotg210_dbg(fotg210, "bogus dev %p speed %d\n", urb->dev, in qh_make()
2861 qh_destroy(fotg210, qh); in qh_make()
2870 hw->hw_info1 = cpu_to_hc32(fotg210, info1); in qh_make()
2871 hw->hw_info2 = cpu_to_hc32(fotg210, info2); in qh_make()
2874 qh_refresh(fotg210, qh); in qh_make()
2878 static void enable_async(struct fotg210_hcd *fotg210) in enable_async() argument
2880 if (fotg210->async_count++) in enable_async()
2884 fotg210->enabled_hrtimer_events &= ~BIT(FOTG210_HRTIMER_DISABLE_ASYNC); in enable_async()
2887 fotg210_poll_ASS(fotg210); in enable_async()
2888 turn_on_io_watchdog(fotg210); in enable_async()
2891 static void disable_async(struct fotg210_hcd *fotg210) in disable_async() argument
2893 if (--fotg210->async_count) in disable_async()
2897 WARN_ON(fotg210->async->qh_next.qh || fotg210->async_unlink); in disable_async()
2900 fotg210_poll_ASS(fotg210); in disable_async()
2905 static void qh_link_async(struct fotg210_hcd *fotg210, struct fotg210_qh *qh) in qh_link_async() argument
2907 __hc32 dma = QH_NEXT(fotg210, qh->qh_dma); in qh_link_async()
2917 qh_refresh(fotg210, qh); in qh_link_async()
2920 head = fotg210->async; in qh_link_async()
2932 enable_async(fotg210); in qh_link_async()
2940 static struct fotg210_qh *qh_append_tds(struct fotg210_hcd *fotg210, in qh_append_tds() argument
2945 __hc32 qh_addr_mask = cpu_to_hc32(fotg210, 0x7f); in qh_append_tds()
2950 qh = qh_make(fotg210, urb, GFP_ATOMIC); in qh_append_tds()
2983 qtd->hw_token = HALT_BIT(fotg210); in qh_append_tds()
2995 fotg210_qtd_init(fotg210, qtd, qtd->qtd_dma); in qh_append_tds()
3002 qtd->hw_next = QTD_NEXT(fotg210, dma); in qh_append_tds()
3014 static int submit_async(struct fotg210_hcd *fotg210, struct urb *urb, in submit_async() argument
3029 fotg210_dbg(fotg210, in submit_async()
3039 spin_lock_irqsave(&fotg210->lock, flags); in submit_async()
3040 if (unlikely(!HCD_HW_ACCESSIBLE(fotg210_to_hcd(fotg210)))) { in submit_async()
3044 rc = usb_hcd_link_urb_to_ep(fotg210_to_hcd(fotg210), urb); in submit_async()
3048 qh = qh_append_tds(fotg210, urb, qtd_list, epnum, &urb->ep->hcpriv); in submit_async()
3050 usb_hcd_unlink_urb_from_ep(fotg210_to_hcd(fotg210), urb); in submit_async()
3059 qh_link_async(fotg210, qh); in submit_async()
3061 spin_unlock_irqrestore(&fotg210->lock, flags); in submit_async()
3063 qtd_list_free(fotg210, urb, qtd_list); in submit_async()
3067 static void single_unlink_async(struct fotg210_hcd *fotg210, in single_unlink_async() argument
3074 if (fotg210->async_unlink) in single_unlink_async()
3075 fotg210->async_unlink_last->unlink_next = qh; in single_unlink_async()
3077 fotg210->async_unlink = qh; in single_unlink_async()
3078 fotg210->async_unlink_last = qh; in single_unlink_async()
3081 prev = fotg210->async; in single_unlink_async()
3087 if (fotg210->qh_scan_next == qh) in single_unlink_async()
3088 fotg210->qh_scan_next = qh->qh_next.qh; in single_unlink_async()
3091 static void start_iaa_cycle(struct fotg210_hcd *fotg210, bool nested) in start_iaa_cycle() argument
3097 if (fotg210->async_iaa || fotg210->async_unlinking) in start_iaa_cycle()
3101 fotg210->async_iaa = fotg210->async_unlink; in start_iaa_cycle()
3102 fotg210->async_unlink = NULL; in start_iaa_cycle()
3105 if (unlikely(fotg210->rh_state < FOTG210_RH_RUNNING)) { in start_iaa_cycle()
3107 end_unlink_async(fotg210); in start_iaa_cycle()
3110 } else if (likely(fotg210->rh_state == FOTG210_RH_RUNNING)) { in start_iaa_cycle()
3114 fotg210_writel(fotg210, fotg210->command | CMD_IAAD, in start_iaa_cycle()
3115 &fotg210->regs->command); in start_iaa_cycle()
3116 fotg210_readl(fotg210, &fotg210->regs->command); in start_iaa_cycle()
3117 fotg210_enable_event(fotg210, FOTG210_HRTIMER_IAA_WATCHDOG, in start_iaa_cycle()
3124 static void end_unlink_async(struct fotg210_hcd *fotg210) in end_unlink_async() argument
3130 fotg210->async_unlinking = true; in end_unlink_async()
3131 while (fotg210->async_iaa) { in end_unlink_async()
3132 qh = fotg210->async_iaa; in end_unlink_async()
3133 fotg210->async_iaa = qh->unlink_next; in end_unlink_async()
3139 qh_completions(fotg210, qh); in end_unlink_async()
3141 fotg210->rh_state == FOTG210_RH_RUNNING) in end_unlink_async()
3142 qh_link_async(fotg210, qh); in end_unlink_async()
3143 disable_async(fotg210); in end_unlink_async()
3145 fotg210->async_unlinking = false; in end_unlink_async()
3148 if (fotg210->async_unlink) { in end_unlink_async()
3149 start_iaa_cycle(fotg210, true); in end_unlink_async()
3150 if (unlikely(fotg210->rh_state < FOTG210_RH_RUNNING)) in end_unlink_async()
3155 static void unlink_empty_async(struct fotg210_hcd *fotg210) in unlink_empty_async() argument
3158 bool stopped = (fotg210->rh_state < FOTG210_RH_RUNNING); in unlink_empty_async()
3162 next = fotg210->async->qh_next.qh; in unlink_empty_async()
3170 fotg210->async_unlink_cycle) in unlink_empty_async()
3173 single_unlink_async(fotg210, qh); in unlink_empty_async()
3178 if (fotg210->async_unlink) in unlink_empty_async()
3179 start_iaa_cycle(fotg210, false); in unlink_empty_async()
3183 fotg210_enable_event(fotg210, FOTG210_HRTIMER_ASYNC_UNLINKS, in unlink_empty_async()
3185 ++fotg210->async_unlink_cycle; in unlink_empty_async()
3192 static void start_unlink_async(struct fotg210_hcd *fotg210, in start_unlink_async() argument
3206 single_unlink_async(fotg210, qh); in start_unlink_async()
3207 start_iaa_cycle(fotg210, false); in start_unlink_async()
3210 static void scan_async(struct fotg210_hcd *fotg210) in scan_async() argument
3215 fotg210->qh_scan_next = fotg210->async->qh_next.qh; in scan_async()
3216 while (fotg210->qh_scan_next) { in scan_async()
3217 qh = fotg210->qh_scan_next; in scan_async()
3218 fotg210->qh_scan_next = qh->qh_next.qh; in scan_async()
3231 temp = qh_completions(fotg210, qh); in scan_async()
3233 start_unlink_async(fotg210, qh); in scan_async()
3236 qh->unlink_cycle = fotg210->async_unlink_cycle; in scan_async()
3249 if (check_unlinks_later && fotg210->rh_state == FOTG210_RH_RUNNING && in scan_async()
3250 !(fotg210->enabled_hrtimer_events & in scan_async()
3252 fotg210_enable_event(fotg210, in scan_async()
3254 ++fotg210->async_unlink_cycle; in scan_async()
3274 static union fotg210_shadow *periodic_next_shadow(struct fotg210_hcd *fotg210, in periodic_next_shadow() argument
3277 switch (hc32_to_cpu(fotg210, tag)) { in periodic_next_shadow()
3287 static __hc32 *shadow_next_periodic(struct fotg210_hcd *fotg210, in shadow_next_periodic() argument
3290 switch (hc32_to_cpu(fotg210, tag)) { in shadow_next_periodic()
3301 static void periodic_unlink(struct fotg210_hcd *fotg210, unsigned frame, in periodic_unlink() argument
3304 union fotg210_shadow *prev_p = &fotg210->pshadow[frame]; in periodic_unlink()
3305 __hc32 *hw_p = &fotg210->periodic[frame]; in periodic_unlink()
3310 prev_p = periodic_next_shadow(fotg210, prev_p, in periodic_unlink()
3311 Q_NEXT_TYPE(fotg210, *hw_p)); in periodic_unlink()
3312 hw_p = shadow_next_periodic(fotg210, &here, in periodic_unlink()
3313 Q_NEXT_TYPE(fotg210, *hw_p)); in periodic_unlink()
3323 *prev_p = *periodic_next_shadow(fotg210, &here, in periodic_unlink()
3324 Q_NEXT_TYPE(fotg210, *hw_p)); in periodic_unlink()
3326 *hw_p = *shadow_next_periodic(fotg210, &here, in periodic_unlink()
3327 Q_NEXT_TYPE(fotg210, *hw_p)); in periodic_unlink()
3331 static unsigned short periodic_usecs(struct fotg210_hcd *fotg210, in periodic_usecs() argument
3334 __hc32 *hw_p = &fotg210->periodic[frame]; in periodic_usecs()
3335 union fotg210_shadow *q = &fotg210->pshadow[frame]; in periodic_usecs()
3340 switch (hc32_to_cpu(fotg210, Q_NEXT_TYPE(fotg210, *hw_p))) { in periodic_usecs()
3344 if (hw->hw_info2 & cpu_to_hc32(fotg210, 1 << uframe)) in periodic_usecs()
3347 if (hw->hw_info2 & cpu_to_hc32(fotg210, in periodic_usecs()
3358 if (q->fstn->hw_prev != FOTG210_LIST_END(fotg210)) in periodic_usecs()
3359 fotg210_dbg(fotg210, "ignoring FSTN cost ...\n"); in periodic_usecs()
3372 if (usecs > fotg210->uframe_periodic_max) in periodic_usecs()
3373 fotg210_err(fotg210, "uframe %d sched overrun: %d usecs\n", in periodic_usecs()
3394 static int tt_no_collision(struct fotg210_hcd *fotg210, unsigned period, in tt_no_collision() argument
3404 for (; frame < fotg210->periodic_size; frame += period) { in tt_no_collision()
3409 here = fotg210->pshadow[frame]; in tt_no_collision()
3410 type = Q_NEXT_TYPE(fotg210, fotg210->periodic[frame]); in tt_no_collision()
3412 switch (hc32_to_cpu(fotg210, type)) { in tt_no_collision()
3414 type = Q_NEXT_TYPE(fotg210, here.itd->hw_next); in tt_no_collision()
3422 mask = hc32_to_cpu(fotg210, in tt_no_collision()
3429 type = Q_NEXT_TYPE(fotg210, hw->hw_next); in tt_no_collision()
3434 fotg210_dbg(fotg210, in tt_no_collision()
3448 static void enable_periodic(struct fotg210_hcd *fotg210) in enable_periodic() argument
3450 if (fotg210->periodic_count++) in enable_periodic()
3454 fotg210->enabled_hrtimer_events &= in enable_periodic()
3458 fotg210_poll_PSS(fotg210); in enable_periodic()
3459 turn_on_io_watchdog(fotg210); in enable_periodic()
3462 static void disable_periodic(struct fotg210_hcd *fotg210) in disable_periodic() argument
3464 if (--fotg210->periodic_count) in disable_periodic()
3468 fotg210_poll_PSS(fotg210); in disable_periodic()
3477 static void qh_link_periodic(struct fotg210_hcd *fotg210, struct fotg210_qh *qh) in qh_link_periodic() argument
3484 hc32_to_cpup(fotg210, &qh->hw->hw_info2) & in qh_link_periodic()
3492 for (i = qh->start; i < fotg210->periodic_size; i += period) { in qh_link_periodic()
3493 union fotg210_shadow *prev = &fotg210->pshadow[i]; in qh_link_periodic()
3494 __hc32 *hw_p = &fotg210->periodic[i]; in qh_link_periodic()
3500 type = Q_NEXT_TYPE(fotg210, *hw_p); in qh_link_periodic()
3501 if (type == cpu_to_hc32(fotg210, Q_TYPE_QH)) in qh_link_periodic()
3503 prev = periodic_next_shadow(fotg210, prev, type); in qh_link_periodic()
3504 hw_p = shadow_next_periodic(fotg210, &here, type); in qh_link_periodic()
3525 *hw_p = QH_NEXT(fotg210, qh->qh_dma); in qh_link_periodic()
3532 fotg210_to_hcd(fotg210)->self.bandwidth_allocated += qh->period in qh_link_periodic()
3536 list_add(&qh->intr_node, &fotg210->intr_qh_list); in qh_link_periodic()
3539 ++fotg210->intr_count; in qh_link_periodic()
3540 enable_periodic(fotg210); in qh_link_periodic()
3543 static void qh_unlink_periodic(struct fotg210_hcd *fotg210, in qh_unlink_periodic() argument
3569 for (i = qh->start; i < fotg210->periodic_size; i += period) in qh_unlink_periodic()
3570 periodic_unlink(fotg210, i, qh); in qh_unlink_periodic()
3573 fotg210_to_hcd(fotg210)->self.bandwidth_allocated -= qh->period in qh_unlink_periodic()
3579 qh->period, hc32_to_cpup(fotg210, &qh->hw->hw_info2) & in qh_unlink_periodic()
3587 if (fotg210->qh_scan_next == qh) in qh_unlink_periodic()
3588 fotg210->qh_scan_next = list_entry(qh->intr_node.next, in qh_unlink_periodic()
3593 static void start_unlink_intr(struct fotg210_hcd *fotg210, in start_unlink_intr() argument
3606 qh_unlink_periodic(fotg210, qh); in start_unlink_intr()
3616 qh->unlink_cycle = fotg210->intr_unlink_cycle; in start_unlink_intr()
3619 if (fotg210->intr_unlink) in start_unlink_intr()
3620 fotg210->intr_unlink_last->unlink_next = qh; in start_unlink_intr()
3622 fotg210->intr_unlink = qh; in start_unlink_intr()
3623 fotg210->intr_unlink_last = qh; in start_unlink_intr()
3625 if (fotg210->intr_unlinking) in start_unlink_intr()
3627 else if (fotg210->rh_state < FOTG210_RH_RUNNING) in start_unlink_intr()
3628 fotg210_handle_intr_unlinks(fotg210); in start_unlink_intr()
3629 else if (fotg210->intr_unlink == qh) { in start_unlink_intr()
3630 fotg210_enable_event(fotg210, FOTG210_HRTIMER_UNLINK_INTR, in start_unlink_intr()
3632 ++fotg210->intr_unlink_cycle; in start_unlink_intr()
3636 static void end_unlink_intr(struct fotg210_hcd *fotg210, struct fotg210_qh *qh) in end_unlink_intr() argument
3642 hw->hw_next = FOTG210_LIST_END(fotg210); in end_unlink_intr()
3644 qh_completions(fotg210, qh); in end_unlink_intr()
3648 fotg210->rh_state == FOTG210_RH_RUNNING) { in end_unlink_intr()
3649 rc = qh_schedule(fotg210, qh); in end_unlink_intr()
3658 fotg210_err(fotg210, "can't reschedule qh %p, err %d\n", in end_unlink_intr()
3663 --fotg210->intr_count; in end_unlink_intr()
3664 disable_periodic(fotg210); in end_unlink_intr()
3667 static int check_period(struct fotg210_hcd *fotg210, unsigned frame, in check_period() argument
3679 usecs = fotg210->uframe_periodic_max - usecs; in check_period()
3687 claimed = periodic_usecs(fotg210, frame, in check_period()
3692 } while ((frame += 1) < fotg210->periodic_size); in check_period()
3697 claimed = periodic_usecs(fotg210, frame, uframe); in check_period()
3700 } while ((frame += period) < fotg210->periodic_size); in check_period()
3707 static int check_intr_schedule(struct fotg210_hcd *fotg210, unsigned frame, in check_intr_schedule() argument
3716 if (!check_period(fotg210, frame, uframe, qh->period, qh->usecs)) in check_intr_schedule()
3732 *c_maskp = cpu_to_hc32(fotg210, mask << 8); in check_intr_schedule()
3735 if (tt_no_collision(fotg210, qh->period, qh->dev, frame, mask)) { in check_intr_schedule()
3736 if (!check_period(fotg210, frame, uframe + qh->gap_uf + 1, in check_intr_schedule()
3739 if (!check_period(fotg210, frame, uframe + qh->gap_uf, in check_intr_schedule()
3751 static int qh_schedule(struct fotg210_hcd *fotg210, struct fotg210_qh *qh) in qh_schedule() argument
3759 qh_refresh(fotg210, qh); in qh_schedule()
3760 hw->hw_next = FOTG210_LIST_END(fotg210); in qh_schedule()
3765 uframe = ffs(hc32_to_cpup(fotg210, &hw->hw_info2) & QH_SMASK); in qh_schedule()
3766 status = check_intr_schedule(fotg210, frame, --uframe, in qh_schedule()
3783 frame = ++fotg210->random_frame % qh->period; in qh_schedule()
3785 status = check_intr_schedule(fotg210, in qh_schedule()
3796 status = check_intr_schedule(fotg210, 0, 0, qh, in qh_schedule()
3804 hw->hw_info2 &= cpu_to_hc32(fotg210, ~(QH_CMASK | QH_SMASK)); in qh_schedule()
3806 ? cpu_to_hc32(fotg210, 1 << uframe) in qh_schedule()
3807 : cpu_to_hc32(fotg210, QH_SMASK); in qh_schedule()
3810 fotg210_dbg(fotg210, "reused qh %p schedule\n", qh); in qh_schedule()
3813 qh_link_periodic(fotg210, qh); in qh_schedule()
3818 static int intr_submit(struct fotg210_hcd *fotg210, struct urb *urb, in intr_submit() argument
3830 spin_lock_irqsave(&fotg210->lock, flags); in intr_submit()
3832 if (unlikely(!HCD_HW_ACCESSIBLE(fotg210_to_hcd(fotg210)))) { in intr_submit()
3836 status = usb_hcd_link_urb_to_ep(fotg210_to_hcd(fotg210), urb); in intr_submit()
3842 qh = qh_append_tds(fotg210, urb, &empty, epnum, &urb->ep->hcpriv); in intr_submit()
3848 status = qh_schedule(fotg210, qh); in intr_submit()
3854 qh = qh_append_tds(fotg210, urb, qtd_list, epnum, &urb->ep->hcpriv); in intr_submit()
3858 fotg210_to_hcd(fotg210)->self.bandwidth_int_reqs++; in intr_submit()
3862 usb_hcd_unlink_urb_from_ep(fotg210_to_hcd(fotg210), urb); in intr_submit()
3864 spin_unlock_irqrestore(&fotg210->lock, flags); in intr_submit()
3866 qtd_list_free(fotg210, urb, qtd_list); in intr_submit()
3871 static void scan_intr(struct fotg210_hcd *fotg210) in scan_intr() argument
3875 list_for_each_entry_safe(qh, fotg210->qh_scan_next, in scan_intr()
3876 &fotg210->intr_qh_list, intr_node) { in scan_intr()
3889 temp = qh_completions(fotg210, qh); in scan_intr()
3893 start_unlink_intr(fotg210, qh); in scan_intr()
3915 static void iso_stream_init(struct fotg210_hcd *fotg210, in iso_stream_init() argument
3943 stream->buf0 = cpu_to_hc32(fotg210, (epnum << 8) | dev->devnum); in iso_stream_init()
3944 stream->buf1 = cpu_to_hc32(fotg210, buf1); in iso_stream_init()
3945 stream->buf2 = cpu_to_hc32(fotg210, multi); in iso_stream_init()
3969 static struct fotg210_iso_stream *iso_stream_find(struct fotg210_hcd *fotg210, in iso_stream_find() argument
3983 spin_lock_irqsave(&fotg210->lock, flags); in iso_stream_find()
3991 iso_stream_init(fotg210, stream, urb->dev, urb->pipe, in iso_stream_find()
3997 fotg210_dbg(fotg210, "dev %s ep%d%s, not iso??\n", in iso_stream_find()
4003 spin_unlock_irqrestore(&fotg210->lock, flags); in iso_stream_find()
4021 static inline void itd_sched_init(struct fotg210_hcd *fotg210, in itd_sched_init() argument
4049 uframe->transaction = cpu_to_hc32(fotg210, trans); in itd_sched_init()
4070 struct fotg210_hcd *fotg210, struct urb *urb, gfp_t mem_flags) in itd_urb_transaction() argument
4083 itd_sched_init(fotg210, sched, stream, urb); in itd_urb_transaction()
4091 spin_lock_irqsave(&fotg210->lock, flags); in itd_urb_transaction()
4101 if (itd->frame == fotg210->now_frame) in itd_urb_transaction()
4107 spin_unlock_irqrestore(&fotg210->lock, flags); in itd_urb_transaction()
4108 itd = dma_pool_alloc(fotg210->itd_pool, mem_flags, in itd_urb_transaction()
4110 spin_lock_irqsave(&fotg210->lock, flags); in itd_urb_transaction()
4113 spin_unlock_irqrestore(&fotg210->lock, flags); in itd_urb_transaction()
4122 spin_unlock_irqrestore(&fotg210->lock, flags); in itd_urb_transaction()
4130 static inline int itd_slot_ok(struct fotg210_hcd *fotg210, u32 mod, u32 uframe, in itd_slot_ok() argument
4136 if (periodic_usecs(fotg210, uframe >> 3, uframe & 0x7) in itd_slot_ok()
4137 > (fotg210->uframe_periodic_max - usecs)) in itd_slot_ok()
4158 static int iso_stream_schedule(struct fotg210_hcd *fotg210, struct urb *urb, in iso_stream_schedule() argument
4163 unsigned mod = fotg210->periodic_size << 3; in iso_stream_schedule()
4170 fotg210_dbg(fotg210, "iso request %p too long\n", urb); in iso_stream_schedule()
4175 now = fotg210_read_frame_index(fotg210) & (mod - 1); in iso_stream_schedule()
4190 if (!stream->highspeed && fotg210->fs_i_thresh) in iso_stream_schedule()
4191 next = now + fotg210->i_thresh; in iso_stream_schedule()
4206 fotg210_dbg(fotg210, "request %p would overflow (%d+%d >= %d)\n", in iso_stream_schedule()
4237 if (itd_slot_ok(fotg210, mod, start, in iso_stream_schedule()
4244 fotg210_dbg(fotg210, "iso resched full %p (now %d max %d)\n", in iso_stream_schedule()
4254 fotg210_dbg(fotg210, "request %p would overflow (%d+%d >= %d)\n", in iso_stream_schedule()
4269 if (fotg210->isoc_count == 0) in iso_stream_schedule()
4270 fotg210->next_frame = now >> 3; in iso_stream_schedule()
4279 static inline void itd_init(struct fotg210_hcd *fotg210, in itd_init() argument
4285 itd->hw_next = FOTG210_LIST_END(fotg210); in itd_init()
4296 static inline void itd_patch(struct fotg210_hcd *fotg210, in itd_patch() argument
4307 itd->hw_transaction[uframe] |= cpu_to_hc32(fotg210, pg << 12); in itd_patch()
4308 itd->hw_bufp[pg] |= cpu_to_hc32(fotg210, uf->bufp & ~(u32)0); in itd_patch()
4309 itd->hw_bufp_hi[pg] |= cpu_to_hc32(fotg210, (u32)(uf->bufp >> 32)); in itd_patch()
4316 itd->hw_bufp[pg] |= cpu_to_hc32(fotg210, bufp & ~(u32)0); in itd_patch()
4317 itd->hw_bufp_hi[pg] |= cpu_to_hc32(fotg210, (u32)(bufp >> 32)); in itd_patch()
4321 static inline void itd_link(struct fotg210_hcd *fotg210, unsigned frame, in itd_link() argument
4324 union fotg210_shadow *prev = &fotg210->pshadow[frame]; in itd_link()
4325 __hc32 *hw_p = &fotg210->periodic[frame]; in itd_link()
4331 type = Q_NEXT_TYPE(fotg210, *hw_p); in itd_link()
4332 if (type == cpu_to_hc32(fotg210, Q_TYPE_QH)) in itd_link()
4334 prev = periodic_next_shadow(fotg210, prev, type); in itd_link()
4335 hw_p = shadow_next_periodic(fotg210, &here, type); in itd_link()
4344 *hw_p = cpu_to_hc32(fotg210, itd->itd_dma | Q_TYPE_ITD); in itd_link()
4348 static void itd_link_urb(struct fotg210_hcd *fotg210, struct urb *urb, in itd_link_urb() argument
4359 fotg210_to_hcd(fotg210)->self.bandwidth_allocated in itd_link_urb()
4361 fotg210_dbg(fotg210, in itd_link_urb()
4381 itd_init(fotg210, stream, itd); in itd_link_urb()
4387 itd_patch(fotg210, itd, iso_sched, packet, uframe); in itd_link_urb()
4396 itd_link(fotg210, frame & (fotg210->periodic_size - 1), in itd_link_urb()
4407 ++fotg210->isoc_count; in itd_link_urb()
4408 enable_periodic(fotg210); in itd_link_urb()
4424 static bool itd_complete(struct fotg210_hcd *fotg210, struct fotg210_itd *itd) in itd_complete() argument
4442 t = hc32_to_cpup(fotg210, &itd->hw_transaction[uframe]); in itd_complete()
4483 fotg210_urb_done(fotg210, urb, 0); in itd_complete()
4487 --fotg210->isoc_count; in itd_complete()
4488 disable_periodic(fotg210); in itd_complete()
4491 fotg210_to_hcd(fotg210)->self.bandwidth_allocated in itd_complete()
4493 fotg210_dbg(fotg210, in itd_complete()
4508 &fotg210->cached_itd_list); in itd_complete()
4509 start_free_itds(fotg210); in itd_complete()
4515 static int itd_submit(struct fotg210_hcd *fotg210, struct urb *urb, in itd_submit() argument
4523 stream = iso_stream_find(fotg210, urb); in itd_submit()
4525 fotg210_dbg(fotg210, "can't get iso stream\n"); in itd_submit()
4529 fotg210_port_speed(fotg210, 0) == in itd_submit()
4531 fotg210_dbg(fotg210, "can't change iso interval %d --> %d\n", in itd_submit()
4537 fotg210_dbg(fotg210, in itd_submit()
4548 status = itd_urb_transaction(stream, fotg210, urb, mem_flags); in itd_submit()
4550 fotg210_dbg(fotg210, "can't init itds\n"); in itd_submit()
4555 spin_lock_irqsave(&fotg210->lock, flags); in itd_submit()
4556 if (unlikely(!HCD_HW_ACCESSIBLE(fotg210_to_hcd(fotg210)))) { in itd_submit()
4560 status = usb_hcd_link_urb_to_ep(fotg210_to_hcd(fotg210), urb); in itd_submit()
4563 status = iso_stream_schedule(fotg210, urb, stream); in itd_submit()
4565 itd_link_urb(fotg210, urb, fotg210->periodic_size << 3, stream); in itd_submit()
4567 usb_hcd_unlink_urb_from_ep(fotg210_to_hcd(fotg210), urb); in itd_submit()
4569 spin_unlock_irqrestore(&fotg210->lock, flags); in itd_submit()
4574 static inline int scan_frame_queue(struct fotg210_hcd *fotg210, unsigned frame, in scan_frame_queue() argument
4583 q_p = &fotg210->pshadow[frame]; in scan_frame_queue()
4584 hw_p = &fotg210->periodic[frame]; in scan_frame_queue()
4586 type = Q_NEXT_TYPE(fotg210, *hw_p); in scan_frame_queue()
4590 switch (hc32_to_cpu(fotg210, type)) { in scan_frame_queue()
4601 ITD_ACTIVE(fotg210)) in scan_frame_queue()
4607 type = Q_NEXT_TYPE(fotg210, in scan_frame_queue()
4621 type = Q_NEXT_TYPE(fotg210, q.itd->hw_next); in scan_frame_queue()
4623 modified = itd_complete(fotg210, q.itd); in scan_frame_queue()
4627 fotg210_dbg(fotg210, "corrupt type %d frame %d shadow %p\n", in scan_frame_queue()
4638 if (unlikely(modified && fotg210->isoc_count > 0)) in scan_frame_queue()
4644 static void scan_isoc(struct fotg210_hcd *fotg210) in scan_isoc() argument
4647 unsigned fmask = fotg210->periodic_size - 1; in scan_isoc()
4655 if (fotg210->rh_state >= FOTG210_RH_RUNNING) { in scan_isoc()
4656 uf = fotg210_read_frame_index(fotg210); in scan_isoc()
4660 now_frame = (fotg210->next_frame - 1) & fmask; in scan_isoc()
4663 fotg210->now_frame = now_frame; in scan_isoc()
4665 frame = fotg210->next_frame; in scan_isoc()
4669 ret = scan_frame_queue(fotg210, frame, in scan_isoc()
4677 fotg210->next_frame = now_frame; in scan_isoc()
4685 struct fotg210_hcd *fotg210; in uframe_periodic_max_show() local
4687 fotg210 = hcd_to_fotg210(bus_to_hcd(dev_get_drvdata(dev))); in uframe_periodic_max_show()
4688 return sysfs_emit(buf, "%d\n", fotg210->uframe_periodic_max); in uframe_periodic_max_show()
4694 struct fotg210_hcd *fotg210; in uframe_periodic_max_store() local
4701 fotg210 = hcd_to_fotg210(bus_to_hcd(dev_get_drvdata(dev))); in uframe_periodic_max_store()
4708 fotg210_info(fotg210, "rejecting invalid request for uframe_periodic_max=%u\n", in uframe_periodic_max_store()
4719 spin_lock_irqsave(&fotg210->lock, flags); in uframe_periodic_max_store()
4726 if (uframe_periodic_max < fotg210->uframe_periodic_max) { in uframe_periodic_max_store()
4729 for (frame = 0; frame < fotg210->periodic_size; ++frame) in uframe_periodic_max_store()
4732 periodic_usecs(fotg210, frame, in uframe_periodic_max_store()
4736 fotg210_info(fotg210, in uframe_periodic_max_store()
4745 fotg210_info(fotg210, in uframe_periodic_max_store()
4750 fotg210_warn(fotg210, "max periodic bandwidth set is non-standard\n"); in uframe_periodic_max_store()
4752 fotg210->uframe_periodic_max = uframe_periodic_max; in uframe_periodic_max_store()
4756 spin_unlock_irqrestore(&fotg210->lock, flags); in uframe_periodic_max_store()
4762 static inline int create_sysfs_files(struct fotg210_hcd *fotg210) in create_sysfs_files() argument
4764 struct device *controller = fotg210_to_hcd(fotg210)->self.controller; in create_sysfs_files()
4769 static inline void remove_sysfs_files(struct fotg210_hcd *fotg210) in remove_sysfs_files() argument
4771 struct device *controller = fotg210_to_hcd(fotg210)->self.controller; in remove_sysfs_files()
4779 static void fotg210_turn_off_all_ports(struct fotg210_hcd *fotg210) in fotg210_turn_off_all_ports() argument
4781 u32 __iomem *status_reg = &fotg210->regs->port_status; in fotg210_turn_off_all_ports()
4783 fotg210_writel(fotg210, PORT_RWC_BITS, status_reg); in fotg210_turn_off_all_ports()
4789 static void fotg210_silence_controller(struct fotg210_hcd *fotg210) in fotg210_silence_controller() argument
4791 fotg210_halt(fotg210); in fotg210_silence_controller()
4793 spin_lock_irq(&fotg210->lock); in fotg210_silence_controller()
4794 fotg210->rh_state = FOTG210_RH_HALTED; in fotg210_silence_controller()
4795 fotg210_turn_off_all_ports(fotg210); in fotg210_silence_controller()
4796 spin_unlock_irq(&fotg210->lock); in fotg210_silence_controller()
4805 struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); in fotg210_shutdown() local
4807 spin_lock_irq(&fotg210->lock); in fotg210_shutdown()
4808 fotg210->shutdown = true; in fotg210_shutdown()
4809 fotg210->rh_state = FOTG210_RH_STOPPING; in fotg210_shutdown()
4810 fotg210->enabled_hrtimer_events = 0; in fotg210_shutdown()
4811 spin_unlock_irq(&fotg210->lock); in fotg210_shutdown()
4813 fotg210_silence_controller(fotg210); in fotg210_shutdown()
4815 hrtimer_cancel(&fotg210->hrtimer); in fotg210_shutdown()
4821 static void fotg210_work(struct fotg210_hcd *fotg210) in fotg210_work() argument
4827 if (fotg210->scanning) { in fotg210_work()
4828 fotg210->need_rescan = true; in fotg210_work()
4831 fotg210->scanning = true; in fotg210_work()
4834 fotg210->need_rescan = false; in fotg210_work()
4835 if (fotg210->async_count) in fotg210_work()
4836 scan_async(fotg210); in fotg210_work()
4837 if (fotg210->intr_count > 0) in fotg210_work()
4838 scan_intr(fotg210); in fotg210_work()
4839 if (fotg210->isoc_count > 0) in fotg210_work()
4840 scan_isoc(fotg210); in fotg210_work()
4841 if (fotg210->need_rescan) in fotg210_work()
4843 fotg210->scanning = false; in fotg210_work()
4849 turn_on_io_watchdog(fotg210); in fotg210_work()
4856 struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); in fotg210_stop() local
4858 fotg210_dbg(fotg210, "stop\n"); in fotg210_stop()
4862 spin_lock_irq(&fotg210->lock); in fotg210_stop()
4863 fotg210->enabled_hrtimer_events = 0; in fotg210_stop()
4864 spin_unlock_irq(&fotg210->lock); in fotg210_stop()
4866 fotg210_quiesce(fotg210); in fotg210_stop()
4867 fotg210_silence_controller(fotg210); in fotg210_stop()
4868 fotg210_reset(fotg210); in fotg210_stop()
4870 hrtimer_cancel(&fotg210->hrtimer); in fotg210_stop()
4871 remove_sysfs_files(fotg210); in fotg210_stop()
4872 remove_debug_files(fotg210); in fotg210_stop()
4875 spin_lock_irq(&fotg210->lock); in fotg210_stop()
4876 end_free_itds(fotg210); in fotg210_stop()
4877 spin_unlock_irq(&fotg210->lock); in fotg210_stop()
4878 fotg210_mem_cleanup(fotg210); in fotg210_stop()
4881 fotg210_dbg(fotg210, "irq normal %ld err %ld iaa %ld (lost %ld)\n", in fotg210_stop()
4882 fotg210->stats.normal, fotg210->stats.error, in fotg210_stop()
4883 fotg210->stats.iaa, fotg210->stats.lost_iaa); in fotg210_stop()
4884 fotg210_dbg(fotg210, "complete %ld unlink %ld\n", in fotg210_stop()
4885 fotg210->stats.complete, fotg210->stats.unlink); in fotg210_stop()
4888 dbg_status(fotg210, "fotg210_stop completed", in fotg210_stop()
4889 fotg210_readl(fotg210, &fotg210->regs->status)); in fotg210_stop()
4895 struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); in hcd_fotg210_init() local
4901 spin_lock_init(&fotg210->lock); in hcd_fotg210_init()
4906 fotg210->need_io_watchdog = 1; in hcd_fotg210_init()
4908 hrtimer_init(&fotg210->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS); in hcd_fotg210_init()
4909 fotg210->hrtimer.function = fotg210_hrtimer_func; in hcd_fotg210_init()
4910 fotg210->next_hrtimer_event = FOTG210_HRTIMER_NO_EVENT; in hcd_fotg210_init()
4912 hcc_params = fotg210_readl(fotg210, &fotg210->caps->hcc_params); in hcd_fotg210_init()
4918 fotg210->uframe_periodic_max = 100; in hcd_fotg210_init()
4924 fotg210->periodic_size = DEFAULT_I_TDPS; in hcd_fotg210_init()
4925 INIT_LIST_HEAD(&fotg210->intr_qh_list); in hcd_fotg210_init()
4926 INIT_LIST_HEAD(&fotg210->cached_itd_list); in hcd_fotg210_init()
4932 fotg210->periodic_size = 1024; in hcd_fotg210_init()
4935 fotg210->periodic_size = 512; in hcd_fotg210_init()
4938 fotg210->periodic_size = 256; in hcd_fotg210_init()
4944 retval = fotg210_mem_init(fotg210, GFP_KERNEL); in hcd_fotg210_init()
4949 fotg210->i_thresh = 2; in hcd_fotg210_init()
4958 fotg210->async->qh_next.qh = NULL; in hcd_fotg210_init()
4959 hw = fotg210->async->hw; in hcd_fotg210_init()
4960 hw->hw_next = QH_NEXT(fotg210, fotg210->async->qh_dma); in hcd_fotg210_init()
4961 hw->hw_info1 = cpu_to_hc32(fotg210, QH_HEAD); in hcd_fotg210_init()
4962 hw->hw_token = cpu_to_hc32(fotg210, QTD_STS_HALT); in hcd_fotg210_init()
4963 hw->hw_qtd_next = FOTG210_LIST_END(fotg210); in hcd_fotg210_init()
4964 fotg210->async->qh_state = QH_STATE_LINKED; in hcd_fotg210_init()
4965 hw->hw_alt_next = QTD_NEXT(fotg210, fotg210->async->dummy->qtd_dma); in hcd_fotg210_init()
4984 fotg210_dbg(fotg210, "park %d\n", park); in hcd_fotg210_init()
4991 fotg210->command = temp; in hcd_fotg210_init()
5002 struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); in fotg210_run() local
5009 fotg210_writel(fotg210, fotg210->periodic_dma, in fotg210_run()
5010 &fotg210->regs->frame_list); in fotg210_run()
5011 fotg210_writel(fotg210, (u32)fotg210->async->qh_dma, in fotg210_run()
5012 &fotg210->regs->async_next); in fotg210_run()
5026 fotg210_readl(fotg210, &fotg210->caps->hcc_params); in fotg210_run()
5032 fotg210->command &= ~(CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET); in fotg210_run()
5033 fotg210->command |= CMD_RUN; in fotg210_run()
5034 fotg210_writel(fotg210, fotg210->command, &fotg210->regs->command); in fotg210_run()
5035 dbg_cmd(fotg210, "init", fotg210->command); in fotg210_run()
5052 fotg210->rh_state = FOTG210_RH_RUNNING; in fotg210_run()
5054 fotg210_readl(fotg210, &fotg210->regs->command); in fotg210_run()
5057 fotg210->last_periodic_enable = ktime_get_real(); in fotg210_run()
5059 temp = HC_VERSION(fotg210, in fotg210_run()
5060 fotg210_readl(fotg210, &fotg210->caps->hc_capbase)); in fotg210_run()
5061 fotg210_info(fotg210, in fotg210_run()
5063 ((fotg210->sbrn & 0xf0) >> 4), (fotg210->sbrn & 0x0f), in fotg210_run()
5066 fotg210_writel(fotg210, INTR_MASK, in fotg210_run()
5067 &fotg210->regs->intr_enable); /* Turn On Interrupts */ in fotg210_run()
5073 create_debug_files(fotg210); in fotg210_run()
5074 create_sysfs_files(fotg210); in fotg210_run()
5081 struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); in fotg210_setup() local
5084 fotg210->regs = (void __iomem *)fotg210->caps + in fotg210_setup()
5085 HC_LENGTH(fotg210, in fotg210_setup()
5086 fotg210_readl(fotg210, &fotg210->caps->hc_capbase)); in fotg210_setup()
5087 dbg_hcs_params(fotg210, "reset"); in fotg210_setup()
5088 dbg_hcc_params(fotg210, "reset"); in fotg210_setup()
5091 fotg210->hcs_params = fotg210_readl(fotg210, in fotg210_setup()
5092 &fotg210->caps->hcs_params); in fotg210_setup()
5094 fotg210->sbrn = HCD_USB2; in fotg210_setup()
5101 retval = fotg210_halt(fotg210); in fotg210_setup()
5105 fotg210_reset(fotg210); in fotg210_setup()
5112 struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); in fotg210_irq() local
5116 spin_lock(&fotg210->lock); in fotg210_irq()
5118 status = fotg210_readl(fotg210, &fotg210->regs->status); in fotg210_irq()
5122 fotg210_dbg(fotg210, "device removed\n"); in fotg210_irq()
5134 unlikely(fotg210->rh_state == FOTG210_RH_HALTED)) { in fotg210_irq()
5135 spin_unlock(&fotg210->lock); in fotg210_irq()
5140 fotg210_writel(fotg210, masked_status, &fotg210->regs->status); in fotg210_irq()
5141 cmd = fotg210_readl(fotg210, &fotg210->regs->command); in fotg210_irq()
5145 dbg_status(fotg210, "irq", status); in fotg210_irq()
5152 INCR(fotg210->stats.normal); in fotg210_irq()
5154 INCR(fotg210->stats.error); in fotg210_irq()
5162 fotg210->enabled_hrtimer_events &= in fotg210_irq()
5172 if (fotg210->next_hrtimer_event == FOTG210_HRTIMER_IAA_WATCHDOG) in fotg210_irq()
5173 ++fotg210->next_hrtimer_event; in fotg210_irq()
5177 fotg210_dbg(fotg210, "IAA with IAAD still set?\n"); in fotg210_irq()
5178 if (fotg210->async_iaa) { in fotg210_irq()
5179 INCR(fotg210->stats.iaa); in fotg210_irq()
5180 end_unlink_async(fotg210); in fotg210_irq()
5182 fotg210_dbg(fotg210, "IAA with nothing unlinked?\n"); in fotg210_irq()
5188 u32 __iomem *status_reg = &fotg210->regs->port_status; in fotg210_irq()
5194 if (fotg210->rh_state == FOTG210_RH_SUSPENDED) in fotg210_irq()
5197 pstatus = fotg210_readl(fotg210, status_reg); in fotg210_irq()
5199 if (test_bit(0, &fotg210->suspended_ports) && in fotg210_irq()
5203 fotg210->reset_done[0] == 0) { in fotg210_irq()
5210 fotg210->reset_done[0] = jiffies + msecs_to_jiffies(25); in fotg210_irq()
5211 set_bit(0, &fotg210->resuming_ports); in fotg210_irq()
5212 fotg210_dbg(fotg210, "port 1 remote wakeup\n"); in fotg210_irq()
5213 mod_timer(&hcd->rh_timer, fotg210->reset_done[0]); in fotg210_irq()
5219 fotg210_err(fotg210, "fatal error\n"); in fotg210_irq()
5220 dbg_cmd(fotg210, "fatal", cmd); in fotg210_irq()
5221 dbg_status(fotg210, "fatal", status); in fotg210_irq()
5226 fotg210->shutdown = true; in fotg210_irq()
5227 fotg210->rh_state = FOTG210_RH_STOPPING; in fotg210_irq()
5228 fotg210->command &= ~(CMD_RUN | CMD_ASE | CMD_PSE); in fotg210_irq()
5229 fotg210_writel(fotg210, fotg210->command, in fotg210_irq()
5230 &fotg210->regs->command); in fotg210_irq()
5231 fotg210_writel(fotg210, 0, &fotg210->regs->intr_enable); in fotg210_irq()
5232 fotg210_handle_controller_death(fotg210); in fotg210_irq()
5239 fotg210_work(fotg210); in fotg210_irq()
5240 spin_unlock(&fotg210->lock); in fotg210_irq()
5260 struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); in fotg210_urb_enqueue() local
5275 if (!qh_urb_transaction(fotg210, urb, &qtd_list, mem_flags)) in fotg210_urb_enqueue()
5277 return submit_async(fotg210, urb, &qtd_list, mem_flags); in fotg210_urb_enqueue()
5280 if (!qh_urb_transaction(fotg210, urb, &qtd_list, mem_flags)) in fotg210_urb_enqueue()
5282 return intr_submit(fotg210, urb, &qtd_list, mem_flags); in fotg210_urb_enqueue()
5285 return itd_submit(fotg210, urb, mem_flags); in fotg210_urb_enqueue()
5295 struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); in fotg210_urb_dequeue() local
5300 spin_lock_irqsave(&fotg210->lock, flags); in fotg210_urb_dequeue()
5315 start_unlink_async(fotg210, qh); in fotg210_urb_dequeue()
5323 qh_completions(fotg210, qh); in fotg210_urb_dequeue()
5335 start_unlink_intr(fotg210, qh); in fotg210_urb_dequeue()
5338 qh_completions(fotg210, qh); in fotg210_urb_dequeue()
5341 fotg210_dbg(fotg210, "bogus qh %p state %d\n", in fotg210_urb_dequeue()
5355 spin_unlock_irqrestore(&fotg210->lock, flags); in fotg210_urb_dequeue()
5364 struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); in fotg210_endpoint_disable() local
5372 spin_lock_irqsave(&fotg210->lock, flags); in fotg210_endpoint_disable()
5391 if (fotg210->rh_state < FOTG210_RH_RUNNING) in fotg210_endpoint_disable()
5396 for (tmp = fotg210->async->qh_next.qh; in fotg210_endpoint_disable()
5404 start_unlink_async(fotg210, qh); in fotg210_endpoint_disable()
5409 spin_unlock_irqrestore(&fotg210->lock, flags); in fotg210_endpoint_disable()
5416 qh_destroy(fotg210, qh); in fotg210_endpoint_disable()
5424 fotg210_err(fotg210, "qh %p (#%02x) state %d%s\n", in fotg210_endpoint_disable()
5431 spin_unlock_irqrestore(&fotg210->lock, flags); in fotg210_endpoint_disable()
5437 struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); in fotg210_endpoint_reset() local
5447 spin_lock_irqsave(&fotg210->lock, flags); in fotg210_endpoint_reset()
5467 start_unlink_async(fotg210, qh); in fotg210_endpoint_reset()
5469 start_unlink_intr(fotg210, qh); in fotg210_endpoint_reset()
5472 spin_unlock_irqrestore(&fotg210->lock, flags); in fotg210_endpoint_reset()
5477 struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); in fotg210_get_frame() local
5479 return (fotg210_read_frame_index(fotg210) >> 3) % in fotg210_get_frame()
5480 fotg210->periodic_size; in fotg210_get_frame()
5535 static void fotg210_init(struct fotg210_hcd *fotg210) in fotg210_init() argument
5540 &fotg210->regs->gmir); in fotg210_init()
5542 value = ioread32(&fotg210->regs->otgcsr); in fotg210_init()
5545 iowrite32(value, &fotg210->regs->otgcsr); in fotg210_init()
5555 int fotg210_hcd_probe(struct platform_device *pdev, struct fotg210 *fotg) in fotg210_hcd_probe()
5561 struct fotg210_hcd *fotg210; in fotg210_hcd_probe() local
5586 fotg210 = hcd_to_fotg210(hcd); in fotg210_hcd_probe()
5588 fotg210->fotg = fotg; in fotg210_hcd_probe()
5589 fotg210->caps = hcd->regs; in fotg210_hcd_probe()
5595 fotg210_init(fotg210); in fotg210_hcd_probe()