Lines Matching refs:dc
369 struct nozomi *dc; member
526 static void nozomi_setup_memory(struct nozomi *dc) in nozomi_setup_memory() argument
528 void __iomem *offset = dc->base_addr + dc->config_table.dl_start; in nozomi_setup_memory()
535 dc->port[PORT_MDM].dl_addr[CH_A] = offset; in nozomi_setup_memory()
536 dc->port[PORT_MDM].dl_addr[CH_B] = in nozomi_setup_memory()
537 (offset += dc->config_table.dl_mdm_len1); in nozomi_setup_memory()
538 dc->port[PORT_MDM].dl_size[CH_A] = in nozomi_setup_memory()
539 dc->config_table.dl_mdm_len1 - buff_offset; in nozomi_setup_memory()
540 dc->port[PORT_MDM].dl_size[CH_B] = in nozomi_setup_memory()
541 dc->config_table.dl_mdm_len2 - buff_offset; in nozomi_setup_memory()
544 dc->port[PORT_DIAG].dl_addr[CH_A] = in nozomi_setup_memory()
545 (offset += dc->config_table.dl_mdm_len2); in nozomi_setup_memory()
546 dc->port[PORT_DIAG].dl_size[CH_A] = in nozomi_setup_memory()
547 dc->config_table.dl_diag_len1 - buff_offset; in nozomi_setup_memory()
548 dc->port[PORT_DIAG].dl_addr[CH_B] = in nozomi_setup_memory()
549 (offset += dc->config_table.dl_diag_len1); in nozomi_setup_memory()
550 dc->port[PORT_DIAG].dl_size[CH_B] = in nozomi_setup_memory()
551 dc->config_table.dl_diag_len2 - buff_offset; in nozomi_setup_memory()
554 dc->port[PORT_APP1].dl_addr[CH_A] = in nozomi_setup_memory()
555 (offset += dc->config_table.dl_diag_len2); in nozomi_setup_memory()
556 dc->port[PORT_APP1].dl_size[CH_A] = in nozomi_setup_memory()
557 dc->config_table.dl_app1_len - buff_offset; in nozomi_setup_memory()
560 dc->port[PORT_APP2].dl_addr[CH_A] = in nozomi_setup_memory()
561 (offset += dc->config_table.dl_app1_len); in nozomi_setup_memory()
562 dc->port[PORT_APP2].dl_size[CH_A] = in nozomi_setup_memory()
563 dc->config_table.dl_app2_len - buff_offset; in nozomi_setup_memory()
566 dc->port[PORT_CTRL].dl_addr[CH_A] = in nozomi_setup_memory()
567 (offset += dc->config_table.dl_app2_len); in nozomi_setup_memory()
568 dc->port[PORT_CTRL].dl_size[CH_A] = in nozomi_setup_memory()
569 dc->config_table.dl_ctrl_len - buff_offset; in nozomi_setup_memory()
571 offset = dc->base_addr + dc->config_table.ul_start; in nozomi_setup_memory()
574 dc->port[PORT_MDM].ul_addr[CH_A] = offset; in nozomi_setup_memory()
575 dc->port[PORT_MDM].ul_size[CH_A] = in nozomi_setup_memory()
576 dc->config_table.ul_mdm_len1 - buff_offset; in nozomi_setup_memory()
577 dc->port[PORT_MDM].ul_addr[CH_B] = in nozomi_setup_memory()
578 (offset += dc->config_table.ul_mdm_len1); in nozomi_setup_memory()
579 dc->port[PORT_MDM].ul_size[CH_B] = in nozomi_setup_memory()
580 dc->config_table.ul_mdm_len2 - buff_offset; in nozomi_setup_memory()
583 dc->port[PORT_DIAG].ul_addr[CH_A] = in nozomi_setup_memory()
584 (offset += dc->config_table.ul_mdm_len2); in nozomi_setup_memory()
585 dc->port[PORT_DIAG].ul_size[CH_A] = in nozomi_setup_memory()
586 dc->config_table.ul_diag_len - buff_offset; in nozomi_setup_memory()
589 dc->port[PORT_APP1].ul_addr[CH_A] = in nozomi_setup_memory()
590 (offset += dc->config_table.ul_diag_len); in nozomi_setup_memory()
591 dc->port[PORT_APP1].ul_size[CH_A] = in nozomi_setup_memory()
592 dc->config_table.ul_app1_len - buff_offset; in nozomi_setup_memory()
595 dc->port[PORT_APP2].ul_addr[CH_A] = in nozomi_setup_memory()
596 (offset += dc->config_table.ul_app1_len); in nozomi_setup_memory()
597 dc->port[PORT_APP2].ul_size[CH_A] = in nozomi_setup_memory()
598 dc->config_table.ul_app2_len - buff_offset; in nozomi_setup_memory()
601 dc->port[PORT_CTRL].ul_addr[CH_A] = in nozomi_setup_memory()
602 (offset += dc->config_table.ul_app2_len); in nozomi_setup_memory()
603 dc->port[PORT_CTRL].ul_size[CH_A] = in nozomi_setup_memory()
604 dc->config_table.ul_ctrl_len - buff_offset; in nozomi_setup_memory()
609 static void dump_table(const struct nozomi *dc) in dump_table() argument
611 DBG3("signature: 0x%08X", dc->config_table.signature); in dump_table()
612 DBG3("version: 0x%04X", dc->config_table.version); in dump_table()
614 dc->config_table.product_information); in dump_table()
615 DBG3("toggle enabled: %d", dc->config_table.toggle.enabled); in dump_table()
616 DBG3("toggle up_mdm: %d", dc->config_table.toggle.mdm_ul); in dump_table()
617 DBG3("toggle dl_mdm: %d", dc->config_table.toggle.mdm_dl); in dump_table()
618 DBG3("toggle dl_dbg: %d", dc->config_table.toggle.diag_dl); in dump_table()
620 DBG3("dl_start: 0x%04X", dc->config_table.dl_start); in dump_table()
621 DBG3("dl_mdm_len0: 0x%04X, %d", dc->config_table.dl_mdm_len1, in dump_table()
622 dc->config_table.dl_mdm_len1); in dump_table()
623 DBG3("dl_mdm_len1: 0x%04X, %d", dc->config_table.dl_mdm_len2, in dump_table()
624 dc->config_table.dl_mdm_len2); in dump_table()
625 DBG3("dl_diag_len0: 0x%04X, %d", dc->config_table.dl_diag_len1, in dump_table()
626 dc->config_table.dl_diag_len1); in dump_table()
627 DBG3("dl_diag_len1: 0x%04X, %d", dc->config_table.dl_diag_len2, in dump_table()
628 dc->config_table.dl_diag_len2); in dump_table()
629 DBG3("dl_app1_len: 0x%04X, %d", dc->config_table.dl_app1_len, in dump_table()
630 dc->config_table.dl_app1_len); in dump_table()
631 DBG3("dl_app2_len: 0x%04X, %d", dc->config_table.dl_app2_len, in dump_table()
632 dc->config_table.dl_app2_len); in dump_table()
633 DBG3("dl_ctrl_len: 0x%04X, %d", dc->config_table.dl_ctrl_len, in dump_table()
634 dc->config_table.dl_ctrl_len); in dump_table()
635 DBG3("ul_start: 0x%04X, %d", dc->config_table.ul_start, in dump_table()
636 dc->config_table.ul_start); in dump_table()
637 DBG3("ul_mdm_len[0]: 0x%04X, %d", dc->config_table.ul_mdm_len1, in dump_table()
638 dc->config_table.ul_mdm_len1); in dump_table()
639 DBG3("ul_mdm_len[1]: 0x%04X, %d", dc->config_table.ul_mdm_len2, in dump_table()
640 dc->config_table.ul_mdm_len2); in dump_table()
641 DBG3("ul_diag_len: 0x%04X, %d", dc->config_table.ul_diag_len, in dump_table()
642 dc->config_table.ul_diag_len); in dump_table()
643 DBG3("ul_app1_len: 0x%04X, %d", dc->config_table.ul_app1_len, in dump_table()
644 dc->config_table.ul_app1_len); in dump_table()
645 DBG3("ul_app2_len: 0x%04X, %d", dc->config_table.ul_app2_len, in dump_table()
646 dc->config_table.ul_app2_len); in dump_table()
647 DBG3("ul_ctrl_len: 0x%04X, %d", dc->config_table.ul_ctrl_len, in dump_table()
648 dc->config_table.ul_ctrl_len); in dump_table()
651 static inline void dump_table(const struct nozomi *dc) { } in dump_table() argument
658 static int nozomi_read_config_table(struct nozomi *dc) in nozomi_read_config_table() argument
660 read_mem32((u32 *) &dc->config_table, dc->base_addr + 0, in nozomi_read_config_table()
663 if (dc->config_table.signature != CONFIG_MAGIC) { in nozomi_read_config_table()
664 dev_err(&dc->pdev->dev, "ConfigTable Bad! 0x%08X != 0x%08X\n", in nozomi_read_config_table()
665 dc->config_table.signature, CONFIG_MAGIC); in nozomi_read_config_table()
669 if ((dc->config_table.version == 0) in nozomi_read_config_table()
670 || (dc->config_table.toggle.enabled == TOGGLE_VALID)) { in nozomi_read_config_table()
674 nozomi_setup_memory(dc); in nozomi_read_config_table()
676 dc->port[PORT_MDM].toggle_ul = dc->config_table.toggle.mdm_ul; in nozomi_read_config_table()
677 dc->port[PORT_MDM].toggle_dl = dc->config_table.toggle.mdm_dl; in nozomi_read_config_table()
678 dc->port[PORT_DIAG].toggle_dl = dc->config_table.toggle.diag_dl; in nozomi_read_config_table()
680 dc->port[PORT_MDM].toggle_ul, in nozomi_read_config_table()
681 dc->port[PORT_MDM].toggle_dl, dc->port[PORT_DIAG].toggle_dl); in nozomi_read_config_table()
683 dump_table(dc); in nozomi_read_config_table()
686 memset(&dc->port[i].ctrl_dl, 0, sizeof(struct ctrl_dl)); in nozomi_read_config_table()
687 memset(&dc->port[i].ctrl_ul, 0, sizeof(struct ctrl_ul)); in nozomi_read_config_table()
691 dc->last_ier = dc->last_ier | CTRL_DL; in nozomi_read_config_table()
692 writew(dc->last_ier, dc->reg_ier); in nozomi_read_config_table()
694 dc->state = NOZOMI_STATE_ALLOCATED; in nozomi_read_config_table()
695 dev_info(&dc->pdev->dev, "Initialization OK!\n"); in nozomi_read_config_table()
699 if ((dc->config_table.version > 0) in nozomi_read_config_table()
700 && (dc->config_table.toggle.enabled != TOGGLE_VALID)) { in nozomi_read_config_table()
704 dev_info(&dc->pdev->dev, "Version of card: %d\n", in nozomi_read_config_table()
705 dc->config_table.version); in nozomi_read_config_table()
708 nozomi_setup_memory(dc); in nozomi_read_config_table()
716 write_mem32(dc->port[PORT_MDM].ul_addr[CH_A], in nozomi_read_config_table()
718 write_mem32(dc->port[PORT_MDM].ul_addr[CH_B], in nozomi_read_config_table()
721 writew(MDM_UL | DIAG_DL | MDM_DL, dc->reg_fcr); in nozomi_read_config_table()
730 static void enable_transmit_ul(enum port_type port, struct nozomi *dc) in enable_transmit_ul() argument
735 dc->last_ier |= mask[port]; in enable_transmit_ul()
736 writew(dc->last_ier, dc->reg_ier); in enable_transmit_ul()
738 dev_err(&dc->pdev->dev, "Called with wrong port?\n"); in enable_transmit_ul()
743 static void disable_transmit_ul(enum port_type port, struct nozomi *dc) in disable_transmit_ul() argument
749 dc->last_ier &= mask[port]; in disable_transmit_ul()
750 writew(dc->last_ier, dc->reg_ier); in disable_transmit_ul()
752 dev_err(&dc->pdev->dev, "Called with wrong port?\n"); in disable_transmit_ul()
757 static void enable_transmit_dl(enum port_type port, struct nozomi *dc) in enable_transmit_dl() argument
762 dc->last_ier |= mask[port]; in enable_transmit_dl()
763 writew(dc->last_ier, dc->reg_ier); in enable_transmit_dl()
765 dev_err(&dc->pdev->dev, "Called with wrong port?\n"); in enable_transmit_dl()
770 static void disable_transmit_dl(enum port_type port, struct nozomi *dc) in disable_transmit_dl() argument
776 dc->last_ier &= mask[port]; in disable_transmit_dl()
777 writew(dc->last_ier, dc->reg_ier); in disable_transmit_dl()
779 dev_err(&dc->pdev->dev, "Called with wrong port?\n"); in disable_transmit_dl()
787 static int send_data(enum port_type index, struct nozomi *dc) in send_data() argument
790 struct port *port = &dc->port[index]; in send_data()
796 size = kfifo_out(&port->fifo_ul, dc->send_buf, in send_data()
808 write_mem32(addr + 4, (u32 *) dc->send_buf, size); in send_data()
816 static int receive_data(enum port_type index, struct nozomi *dc) in receive_data() argument
821 struct port *port = &dc->port[index]; in receive_data()
834 disable_transmit_dl(index, dc); in receive_data()
840 dev_err(&dc->pdev->dev, "size == 0?\n"); in receive_data()
862 set_bit(index, &dc->flip); in receive_data()
919 static int receive_flow_control(struct nozomi *dc) in receive_flow_control() argument
926 read_mem32((u32 *) &ctrl_dl, dc->port[PORT_CTRL].dl_addr[CH_A], 2); in receive_flow_control()
949 if (dc->state == NOZOMI_STATE_ALLOCATED) { in receive_flow_control()
954 dc->state = NOZOMI_STATE_READY; in receive_flow_control()
955 dev_info(&dc->pdev->dev, "Device READY!\n"); in receive_flow_control()
959 dev_err(&dc->pdev->dev, in receive_flow_control()
964 DBG1("0x%04X->0x%04X", *((u16 *)&dc->port[port].ctrl_dl), in receive_flow_control()
967 old_ctrl = dc->port[port].ctrl_dl; in receive_flow_control()
968 dc->port[port].ctrl_dl = ctrl_dl; in receive_flow_control()
973 disable_transmit_ul(port, dc); in receive_flow_control()
977 if (kfifo_len(&dc->port[port].fifo_ul)) { in receive_flow_control()
981 kfifo_len(&dc->port[port].fifo_ul)); in receive_flow_control()
982 enable_transmit_ul(port, dc); in receive_flow_control()
994 dc->port[port].tty_icount.cts++; in receive_flow_control()
996 dc->port[port].tty_icount.dsr++; in receive_flow_control()
998 dc->port[port].tty_icount.rng++; in receive_flow_control()
1000 dc->port[port].tty_icount.dcd++; in receive_flow_control()
1002 wake_up_interruptible(&dc->port[port].tty_wait); in receive_flow_control()
1006 dc->port[port].tty_icount.dcd, dc->port[port].tty_icount.cts, in receive_flow_control()
1007 dc->port[port].tty_icount.rng, dc->port[port].tty_icount.dsr); in receive_flow_control()
1013 const struct nozomi *dc) in port2ctrl() argument
1025 dev_err(&dc->pdev->dev, in port2ctrl()
1037 static int send_flow_control(struct nozomi *dc) in send_flow_control() argument
1043 if (dc->port[i].update_flow_control) { in send_flow_control()
1048 dc->port[i].ctrl_ul.port = port2ctrl(i, dc); in send_flow_control()
1049 ctrl = (u16 *)&dc->port[i].ctrl_ul; in send_flow_control()
1050 write_mem32(dc->port[PORT_CTRL].ul_addr[0], \ in send_flow_control()
1052 dc->port[i].update_flow_control = 0; in send_flow_control()
1064 static int handle_data_dl(struct nozomi *dc, enum port_type port, u8 *toggle, in handle_data_dl() argument
1068 if (receive_data(port, dc)) { in handle_data_dl()
1069 writew(mask1, dc->reg_fcr); in handle_data_dl()
1074 if (receive_data(port, dc)) { in handle_data_dl()
1075 writew(mask2, dc->reg_fcr); in handle_data_dl()
1080 if (receive_data(port, dc)) { in handle_data_dl()
1081 writew(mask2, dc->reg_fcr); in handle_data_dl()
1086 if (receive_data(port, dc)) { in handle_data_dl()
1087 writew(mask1, dc->reg_fcr); in handle_data_dl()
1092 dev_err(&dc->pdev->dev, "port out of sync!, toggle:%d\n", in handle_data_dl()
1104 static int handle_data_ul(struct nozomi *dc, enum port_type port, u16 read_iir) in handle_data_ul() argument
1106 u8 *toggle = &(dc->port[port].toggle_ul); in handle_data_ul()
1109 dc->last_ier &= ~MDM_UL; in handle_data_ul()
1110 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1111 if (send_data(port, dc)) { in handle_data_ul()
1112 writew(MDM_UL1, dc->reg_fcr); in handle_data_ul()
1113 dc->last_ier = dc->last_ier | MDM_UL; in handle_data_ul()
1114 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1119 dc->last_ier &= ~MDM_UL; in handle_data_ul()
1120 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1121 if (send_data(port, dc)) { in handle_data_ul()
1122 writew(MDM_UL2, dc->reg_fcr); in handle_data_ul()
1123 dc->last_ier = dc->last_ier | MDM_UL; in handle_data_ul()
1124 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1130 dc->last_ier &= ~MDM_UL; in handle_data_ul()
1131 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1132 if (send_data(port, dc)) { in handle_data_ul()
1133 writew(MDM_UL2, dc->reg_fcr); in handle_data_ul()
1134 dc->last_ier = dc->last_ier | MDM_UL; in handle_data_ul()
1135 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1140 dc->last_ier &= ~MDM_UL; in handle_data_ul()
1141 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1142 if (send_data(port, dc)) { in handle_data_ul()
1143 writew(MDM_UL1, dc->reg_fcr); in handle_data_ul()
1144 dc->last_ier = dc->last_ier | MDM_UL; in handle_data_ul()
1145 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1150 writew(read_iir & MDM_UL, dc->reg_fcr); in handle_data_ul()
1151 dev_err(&dc->pdev->dev, "port out of sync!\n"); in handle_data_ul()
1159 struct nozomi *dc = dev_id; in interrupt_handler() local
1163 if (!dc) in interrupt_handler()
1166 spin_lock(&dc->spin_mutex); in interrupt_handler()
1167 read_iir = readw(dc->reg_iir); in interrupt_handler()
1176 read_iir &= dc->last_ier; in interrupt_handler()
1183 dc->last_ier); in interrupt_handler()
1186 if (unlikely(!nozomi_read_config_table(dc))) { in interrupt_handler()
1187 dc->last_ier = 0x0; in interrupt_handler()
1188 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1189 dev_err(&dc->pdev->dev, "Could not read status from " in interrupt_handler()
1192 writew(RESET, dc->reg_fcr); in interrupt_handler()
1199 dc->last_ier &= ~CTRL_UL; in interrupt_handler()
1200 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1201 if (send_flow_control(dc)) { in interrupt_handler()
1202 writew(CTRL_UL, dc->reg_fcr); in interrupt_handler()
1203 dc->last_ier = dc->last_ier | CTRL_UL; in interrupt_handler()
1204 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1208 receive_flow_control(dc); in interrupt_handler()
1209 writew(CTRL_DL, dc->reg_fcr); in interrupt_handler()
1212 if (!handle_data_dl(dc, PORT_MDM, in interrupt_handler()
1213 &(dc->port[PORT_MDM].toggle_dl), read_iir, in interrupt_handler()
1215 dev_err(&dc->pdev->dev, "MDM_DL out of sync!\n"); in interrupt_handler()
1220 if (!handle_data_ul(dc, PORT_MDM, read_iir)) { in interrupt_handler()
1221 dev_err(&dc->pdev->dev, "MDM_UL out of sync!\n"); in interrupt_handler()
1226 if (!handle_data_dl(dc, PORT_DIAG, in interrupt_handler()
1227 &(dc->port[PORT_DIAG].toggle_dl), read_iir, in interrupt_handler()
1229 dev_err(&dc->pdev->dev, "DIAG_DL out of sync!\n"); in interrupt_handler()
1234 dc->last_ier &= ~DIAG_UL; in interrupt_handler()
1235 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1236 if (send_data(PORT_DIAG, dc)) { in interrupt_handler()
1237 writew(DIAG_UL, dc->reg_fcr); in interrupt_handler()
1238 dc->last_ier = dc->last_ier | DIAG_UL; in interrupt_handler()
1239 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1243 if (receive_data(PORT_APP1, dc)) in interrupt_handler()
1244 writew(APP1_DL, dc->reg_fcr); in interrupt_handler()
1247 dc->last_ier &= ~APP1_UL; in interrupt_handler()
1248 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1249 if (send_data(PORT_APP1, dc)) { in interrupt_handler()
1250 writew(APP1_UL, dc->reg_fcr); in interrupt_handler()
1251 dc->last_ier = dc->last_ier | APP1_UL; in interrupt_handler()
1252 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1256 if (receive_data(PORT_APP2, dc)) in interrupt_handler()
1257 writew(APP2_DL, dc->reg_fcr); in interrupt_handler()
1260 dc->last_ier &= ~APP2_UL; in interrupt_handler()
1261 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1262 if (send_data(PORT_APP2, dc)) { in interrupt_handler()
1263 writew(APP2_UL, dc->reg_fcr); in interrupt_handler()
1264 dc->last_ier = dc->last_ier | APP2_UL; in interrupt_handler()
1265 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1270 spin_unlock(&dc->spin_mutex); in interrupt_handler()
1273 if (test_and_clear_bit(a, &dc->flip)) in interrupt_handler()
1274 tty_flip_buffer_push(&dc->port[a].port); in interrupt_handler()
1278 spin_unlock(&dc->spin_mutex); in interrupt_handler()
1282 static void nozomi_get_card_type(struct nozomi *dc) in nozomi_get_card_type() argument
1288 size += pci_resource_len(dc->pdev, i); in nozomi_get_card_type()
1291 dc->card_type = size == 2048 ? F32_2 : F32_8; in nozomi_get_card_type()
1293 dev_info(&dc->pdev->dev, "Card type is: %d\n", dc->card_type); in nozomi_get_card_type()
1296 static void nozomi_setup_private_data(struct nozomi *dc) in nozomi_setup_private_data() argument
1298 void __iomem *offset = dc->base_addr + dc->card_type / 2; in nozomi_setup_private_data()
1301 dc->reg_fcr = (void __iomem *)(offset + R_FCR); in nozomi_setup_private_data()
1302 dc->reg_iir = (void __iomem *)(offset + R_IIR); in nozomi_setup_private_data()
1303 dc->reg_ier = (void __iomem *)(offset + R_IER); in nozomi_setup_private_data()
1304 dc->last_ier = 0; in nozomi_setup_private_data()
1305 dc->flip = 0; in nozomi_setup_private_data()
1307 dc->port[PORT_MDM].token_dl = MDM_DL; in nozomi_setup_private_data()
1308 dc->port[PORT_DIAG].token_dl = DIAG_DL; in nozomi_setup_private_data()
1309 dc->port[PORT_APP1].token_dl = APP1_DL; in nozomi_setup_private_data()
1310 dc->port[PORT_APP2].token_dl = APP2_DL; in nozomi_setup_private_data()
1313 init_waitqueue_head(&dc->port[i].tty_wait); in nozomi_setup_private_data()
1319 const struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev)); in card_type_show() local
1321 return sprintf(buf, "%d\n", dc->card_type); in card_type_show()
1328 const struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev)); in open_ttys_show() local
1330 return sprintf(buf, "%u\n", dc->open_ttys); in open_ttys_show()
1334 static void make_sysfs_files(struct nozomi *dc) in make_sysfs_files() argument
1336 if (device_create_file(&dc->pdev->dev, &dev_attr_card_type)) in make_sysfs_files()
1337 dev_err(&dc->pdev->dev, in make_sysfs_files()
1339 if (device_create_file(&dc->pdev->dev, &dev_attr_open_ttys)) in make_sysfs_files()
1340 dev_err(&dc->pdev->dev, in make_sysfs_files()
1344 static void remove_sysfs_files(struct nozomi *dc) in remove_sysfs_files() argument
1346 device_remove_file(&dc->pdev->dev, &dev_attr_card_type); in remove_sysfs_files()
1347 device_remove_file(&dc->pdev->dev, &dev_attr_open_ttys); in remove_sysfs_files()
1356 struct nozomi *dc = NULL; in nozomi_card_init() local
1372 dc = kzalloc(sizeof(struct nozomi), GFP_KERNEL); in nozomi_card_init()
1373 if (unlikely(!dc)) { in nozomi_card_init()
1379 dc->pdev = pdev; in nozomi_card_init()
1381 ret = pci_enable_device(dc->pdev); in nozomi_card_init()
1387 ret = pci_request_regions(dc->pdev, NOZOMI_NAME); in nozomi_card_init()
1394 start = pci_resource_start(dc->pdev, 0); in nozomi_card_init()
1402 nozomi_get_card_type(dc); in nozomi_card_init()
1404 dc->base_addr = ioremap_nocache(start, dc->card_type); in nozomi_card_init()
1405 if (!dc->base_addr) { in nozomi_card_init()
1411 dc->send_buf = kmalloc(SEND_BUF_MAX, GFP_KERNEL); in nozomi_card_init()
1412 if (!dc->send_buf) { in nozomi_card_init()
1419 if (kfifo_alloc(&dc->port[i].fifo_ul, FIFO_BUFFER_SIZE_UL, in nozomi_card_init()
1428 spin_lock_init(&dc->spin_mutex); in nozomi_card_init()
1430 nozomi_setup_private_data(dc); in nozomi_card_init()
1433 dc->last_ier = 0; in nozomi_card_init()
1434 writew(dc->last_ier, dc->reg_ier); in nozomi_card_init()
1437 NOZOMI_NAME, dc); in nozomi_card_init()
1443 DBG1("base_addr: %p", dc->base_addr); in nozomi_card_init()
1445 make_sysfs_files(dc); in nozomi_card_init()
1447 dc->index_start = ndev_idx * MAX_PORT; in nozomi_card_init()
1448 ndevs[ndev_idx] = dc; in nozomi_card_init()
1450 pci_set_drvdata(pdev, dc); in nozomi_card_init()
1453 dc->last_ier = RESET; in nozomi_card_init()
1454 iowrite16(dc->last_ier, dc->reg_ier); in nozomi_card_init()
1456 dc->state = NOZOMI_STATE_ENABLED; in nozomi_card_init()
1460 struct port *port = &dc->port[i]; in nozomi_card_init()
1461 port->dc = dc; in nozomi_card_init()
1465 dc->index_start + i, &pdev->dev); in nozomi_card_init()
1479 tty_unregister_device(ntty_driver, dc->index_start + i); in nozomi_card_init()
1480 tty_port_destroy(&dc->port[i].port); in nozomi_card_init()
1484 kfifo_free(&dc->port[i].fifo_ul); in nozomi_card_init()
1486 kfree(dc->send_buf); in nozomi_card_init()
1487 iounmap(dc->base_addr); in nozomi_card_init()
1493 kfree(dc); in nozomi_card_init()
1498 static void tty_exit(struct nozomi *dc) in tty_exit() argument
1505 tty_port_tty_hangup(&dc->port[i].port, false); in tty_exit()
1509 while (dc->open_ttys) in tty_exit()
1512 tty_unregister_device(ntty_driver, dc->index_start + i); in tty_exit()
1513 tty_port_destroy(&dc->port[i].port); in tty_exit()
1522 struct nozomi *dc = pci_get_drvdata(pdev); in nozomi_card_exit() local
1525 dc->last_ier = 0; in nozomi_card_exit()
1526 writew(dc->last_ier, dc->reg_ier); in nozomi_card_exit()
1528 tty_exit(dc); in nozomi_card_exit()
1539 write_mem32(dc->port[PORT_CTRL].ul_addr[0], (u32 *)&ctrl, 2); in nozomi_card_exit()
1540 writew(CTRL_UL, dc->reg_fcr); /* push the token to the card. */ in nozomi_card_exit()
1542 remove_sysfs_files(dc); in nozomi_card_exit()
1544 free_irq(pdev->irq, dc); in nozomi_card_exit()
1547 kfifo_free(&dc->port[i].fifo_ul); in nozomi_card_exit()
1549 kfree(dc->send_buf); in nozomi_card_exit()
1551 iounmap(dc->base_addr); in nozomi_card_exit()
1557 ndevs[dc->index_start / MAX_PORT] = NULL; in nozomi_card_exit()
1559 kfree(dc); in nozomi_card_exit()
1591 struct nozomi *dc = get_dc_by_tty(tty); in ntty_install() local
1593 if (!port || !dc || dc->state != NOZOMI_STATE_READY) in ntty_install()
1609 struct nozomi *dc = port->dc; in ntty_activate() local
1613 spin_lock_irqsave(&dc->spin_mutex, flags); in ntty_activate()
1614 dc->last_ier = dc->last_ier | port->token_dl; in ntty_activate()
1615 writew(dc->last_ier, dc->reg_ier); in ntty_activate()
1616 dc->open_ttys++; in ntty_activate()
1617 spin_unlock_irqrestore(&dc->spin_mutex, flags); in ntty_activate()
1631 struct nozomi *dc = port->dc; in ntty_shutdown() local
1635 spin_lock_irqsave(&dc->spin_mutex, flags); in ntty_shutdown()
1636 dc->last_ier &= ~(port->token_dl); in ntty_shutdown()
1637 writew(dc->last_ier, dc->reg_ier); in ntty_shutdown()
1638 dc->open_ttys--; in ntty_shutdown()
1639 spin_unlock_irqrestore(&dc->spin_mutex, flags); in ntty_shutdown()
1664 struct nozomi *dc = get_dc_by_tty(tty); in ntty_write() local
1670 if (!dc || !port) in ntty_write()
1675 spin_lock_irqsave(&dc->spin_mutex, flags); in ntty_write()
1677 if (port == &(dc->port[PORT_MDM])) { in ntty_write()
1680 enable_transmit_ul(tty->index % MAX_PORT, dc); in ntty_write()
1682 dev_err(&dc->pdev->dev, in ntty_write()
1686 enable_transmit_ul(tty->index % MAX_PORT, dc); in ntty_write()
1688 spin_unlock_irqrestore(&dc->spin_mutex, flags); in ntty_write()
1706 const struct nozomi *dc = get_dc_by_tty(tty); in ntty_write_room() local
1708 if (dc) in ntty_write_room()
1735 struct nozomi *dc = get_dc_by_tty(tty); in ntty_tiocmset() local
1738 spin_lock_irqsave(&dc->spin_mutex, flags); in ntty_tiocmset()
1748 spin_unlock_irqrestore(&dc->spin_mutex, flags); in ntty_tiocmset()
1819 struct nozomi *dc = get_dc_by_tty(tty); in ntty_unthrottle() local
1823 spin_lock_irqsave(&dc->spin_mutex, flags); in ntty_unthrottle()
1824 enable_transmit_dl(tty->index % MAX_PORT, dc); in ntty_unthrottle()
1827 spin_unlock_irqrestore(&dc->spin_mutex, flags); in ntty_unthrottle()
1836 struct nozomi *dc = get_dc_by_tty(tty); in ntty_throttle() local
1840 spin_lock_irqsave(&dc->spin_mutex, flags); in ntty_throttle()
1842 spin_unlock_irqrestore(&dc->spin_mutex, flags); in ntty_throttle()
1849 struct nozomi *dc = get_dc_by_tty(tty); in ntty_chars_in_buffer() local
1852 if (unlikely(!dc || !port)) { in ntty_chars_in_buffer()