Lines Matching full:master
72 * In other words, transfer requests passed to the I3C master can be submitted
73 * in parallel and I3C master drivers have to use their own locking to make
110 struct i3c_master_controller *master; in dev_to_i3cbus() local
115 master = dev_to_i3cmaster(dev); in dev_to_i3cbus()
117 return &master->bus; in dev_to_i3cbus()
122 struct i3c_master_controller *master; in dev_to_i3cdesc() local
127 master = dev_to_i3cmaster(dev); in dev_to_i3cdesc()
129 return master->this; in dev_to_i3cdesc()
403 * Some master controllers (such as HCI) need to prepare the entire above transaction before
572 static int i3c_set_hotjoin(struct i3c_master_controller *master, bool enable) in i3c_set_hotjoin() argument
576 if (!master || !master->ops) in i3c_set_hotjoin()
579 if (!master->ops->enable_hotjoin || !master->ops->disable_hotjoin) in i3c_set_hotjoin()
582 i3c_bus_normaluse_lock(&master->bus); in i3c_set_hotjoin()
585 ret = master->ops->enable_hotjoin(master); in i3c_set_hotjoin()
587 ret = master->ops->disable_hotjoin(master); in i3c_set_hotjoin()
589 master->hotjoin = enable; in i3c_set_hotjoin()
591 i3c_bus_normaluse_unlock(&master->bus); in i3c_set_hotjoin()
609 ret = i3c_set_hotjoin(i3cbus->cur_master->common.master, res); in hotjoin_store()
618 * @master: I3C master object
622 int i3c_master_enable_hotjoin(struct i3c_master_controller *master) in i3c_master_enable_hotjoin() argument
624 return i3c_set_hotjoin(master, true); in i3c_master_enable_hotjoin()
630 * @master: I3C master object
634 int i3c_master_disable_hotjoin(struct i3c_master_controller *master) in i3c_master_disable_hotjoin() argument
636 return i3c_set_hotjoin(master, false); in i3c_master_disable_hotjoin()
646 ret = sysfs_emit(buf, "%d\n", i3cbus->cur_master->common.master->hotjoin); in hotjoin_show()
671 struct i3c_master_controller *master = dev_to_i3cmaster(dev); in i3c_masterdev_release() local
674 if (master->wq) in i3c_masterdev_release()
675 destroy_workqueue(master->wq); in i3c_masterdev_release()
690 struct i3c_master_controller *master = i3c_bus_to_i3c_master(i3cbus); in i3c_bus_set_mode() local
717 dev_dbg(&master->dev, "i2c-scl = %ld Hz i3c-scl = %ld Hz\n", in i3c_bus_set_mode()
738 i3c_master_to_i2c_adapter(struct i3c_master_controller *master) in i3c_master_to_i2c_adapter() argument
740 return &master->i2c; in i3c_master_to_i2c_adapter()
749 i3c_master_alloc_i2c_dev(struct i3c_master_controller *master, in i3c_master_alloc_i2c_dev() argument
758 dev->common.master = master; in i3c_master_alloc_i2c_dev()
794 static int i3c_master_send_ccc_cmd_locked(struct i3c_master_controller *master, in i3c_master_send_ccc_cmd_locked() argument
799 if (!cmd || !master) in i3c_master_send_ccc_cmd_locked()
802 if (WARN_ON(master->init_done && in i3c_master_send_ccc_cmd_locked()
803 !rwsem_is_locked(&master->bus.lock))) in i3c_master_send_ccc_cmd_locked()
806 if (!master->ops->send_ccc_cmd) in i3c_master_send_ccc_cmd_locked()
812 if (master->ops->supports_ccc_cmd && in i3c_master_send_ccc_cmd_locked()
813 !master->ops->supports_ccc_cmd(master, cmd)) in i3c_master_send_ccc_cmd_locked()
816 ret = master->ops->send_ccc_cmd(master, cmd); in i3c_master_send_ccc_cmd_locked()
828 i3c_master_find_i2c_dev_by_addr(const struct i3c_master_controller *master, in i3c_master_find_i2c_dev_by_addr() argument
833 i3c_bus_for_each_i2cdev(&master->bus, dev) { in i3c_master_find_i2c_dev_by_addr()
843 * @master: I3C master object
851 int i3c_master_get_free_addr(struct i3c_master_controller *master, in i3c_master_get_free_addr() argument
854 return i3c_bus_get_free_addr(&master->bus, start_addr); in i3c_master_get_free_addr()
874 i3c_master_alloc_i3c_dev(struct i3c_master_controller *master, in i3c_master_alloc_i3c_dev() argument
883 dev->common.master = master; in i3c_master_alloc_i3c_dev()
890 static int i3c_master_rstdaa_locked(struct i3c_master_controller *master, in i3c_master_rstdaa_locked() argument
898 if (!master) in i3c_master_rstdaa_locked()
901 addrstat = i3c_bus_get_addr_slot_status(&master->bus, addr); in i3c_master_rstdaa_locked()
909 ret = i3c_master_send_ccc_cmd_locked(master, &cmd); in i3c_master_rstdaa_locked()
918 * @master: master used to send frames on the bus
923 * behind dynamic address assignment has to be handled in the I3C master
931 int i3c_master_entdaa_locked(struct i3c_master_controller *master) in i3c_master_entdaa_locked() argument
939 ret = i3c_master_send_ccc_cmd_locked(master, &cmd); in i3c_master_entdaa_locked()
946 static int i3c_master_enec_disec_locked(struct i3c_master_controller *master, in i3c_master_enec_disec_locked() argument
964 ret = i3c_master_send_ccc_cmd_locked(master, &cmd); in i3c_master_enec_disec_locked()
972 * @master: master used to send frames on the bus
984 int i3c_master_disec_locked(struct i3c_master_controller *master, u8 addr, in i3c_master_disec_locked() argument
987 return i3c_master_enec_disec_locked(master, addr, false, evts); in i3c_master_disec_locked()
993 * @master: master used to send frames on the bus
1005 int i3c_master_enec_locked(struct i3c_master_controller *master, u8 addr, in i3c_master_enec_locked() argument
1008 return i3c_master_enec_disec_locked(master, addr, true, evts); in i3c_master_enec_locked()
1014 * @master: master used to send frames on the bus
1016 * Send a DEFSLVS CCC command containing all the devices known to the @master.
1023 * It should also be called if a master ACKed an Hot-Join request and assigned
1031 int i3c_master_defslvs_locked(struct i3c_master_controller *master) in i3c_master_defslvs_locked() argument
1043 if (!master) in i3c_master_defslvs_locked()
1046 bus = i3c_master_get_bus(master); in i3c_master_defslvs_locked()
1050 if (i3cdev == master->this) in i3c_master_defslvs_locked()
1058 /* No other master on the bus, skip DEFSLVS. */ in i3c_master_defslvs_locked()
1072 defslvs->master.bcr = master->this->info.bcr; in i3c_master_defslvs_locked()
1073 defslvs->master.dcr = master->this->info.dcr; in i3c_master_defslvs_locked()
1074 defslvs->master.dyn_addr = master->this->info.dyn_addr << 1; in i3c_master_defslvs_locked()
1075 defslvs->master.static_addr = I3C_BROADCAST_ADDR << 1; in i3c_master_defslvs_locked()
1085 /* Skip the I3C dev representing this master. */ in i3c_master_defslvs_locked()
1086 if (i3cdev == master->this) in i3c_master_defslvs_locked()
1097 ret = i3c_master_send_ccc_cmd_locked(master, &cmd); in i3c_master_defslvs_locked()
1104 static int i3c_master_setda_locked(struct i3c_master_controller *master, in i3c_master_setda_locked() argument
1123 ret = i3c_master_send_ccc_cmd_locked(master, &cmd); in i3c_master_setda_locked()
1129 static int i3c_master_setdasa_locked(struct i3c_master_controller *master, in i3c_master_setdasa_locked() argument
1132 return i3c_master_setda_locked(master, static_addr, dyn_addr, true); in i3c_master_setdasa_locked()
1135 static int i3c_master_setnewda_locked(struct i3c_master_controller *master, in i3c_master_setnewda_locked() argument
1138 return i3c_master_setda_locked(master, oldaddr, newaddr, false); in i3c_master_setnewda_locked()
1141 static int i3c_master_getmrl_locked(struct i3c_master_controller *master, in i3c_master_getmrl_locked() argument
1161 ret = i3c_master_send_ccc_cmd_locked(master, &cmd); in i3c_master_getmrl_locked()
1183 static int i3c_master_getmwl_locked(struct i3c_master_controller *master, in i3c_master_getmwl_locked() argument
1196 ret = i3c_master_send_ccc_cmd_locked(master, &cmd); in i3c_master_getmwl_locked()
1213 static int i3c_master_getmxds_locked(struct i3c_master_controller *master, in i3c_master_getmxds_locked() argument
1227 ret = i3c_master_send_ccc_cmd_locked(master, &cmd); in i3c_master_getmxds_locked()
1249 static int i3c_master_gethdrcap_locked(struct i3c_master_controller *master, in i3c_master_gethdrcap_locked() argument
1263 ret = i3c_master_send_ccc_cmd_locked(master, &cmd); in i3c_master_gethdrcap_locked()
1280 static int i3c_master_getpid_locked(struct i3c_master_controller *master, in i3c_master_getpid_locked() argument
1293 ret = i3c_master_send_ccc_cmd_locked(master, &cmd); in i3c_master_getpid_locked()
1310 static int i3c_master_getbcr_locked(struct i3c_master_controller *master, in i3c_master_getbcr_locked() argument
1323 ret = i3c_master_send_ccc_cmd_locked(master, &cmd); in i3c_master_getbcr_locked()
1335 static int i3c_master_getdcr_locked(struct i3c_master_controller *master, in i3c_master_getdcr_locked() argument
1348 ret = i3c_master_send_ccc_cmd_locked(master, &cmd); in i3c_master_getdcr_locked()
1362 struct i3c_master_controller *master = i3c_dev_get_master(dev); in i3c_master_retrieve_dev_info() local
1369 slot_status = i3c_bus_get_addr_slot_status(&master->bus, in i3c_master_retrieve_dev_info()
1375 ret = i3c_master_getpid_locked(master, &dev->info); in i3c_master_retrieve_dev_info()
1379 ret = i3c_master_getbcr_locked(master, &dev->info); in i3c_master_retrieve_dev_info()
1383 ret = i3c_master_getdcr_locked(master, &dev->info); in i3c_master_retrieve_dev_info()
1388 ret = i3c_master_getmxds_locked(master, &dev->info); in i3c_master_retrieve_dev_info()
1396 i3c_master_getmrl_locked(master, &dev->info); in i3c_master_retrieve_dev_info()
1397 i3c_master_getmwl_locked(master, &dev->info); in i3c_master_retrieve_dev_info()
1400 ret = i3c_master_gethdrcap_locked(master, &dev->info); in i3c_master_retrieve_dev_info()
1410 struct i3c_master_controller *master = i3c_dev_get_master(dev); in i3c_master_put_i3c_addrs() local
1413 i3c_bus_set_addr_slot_status(&master->bus, in i3c_master_put_i3c_addrs()
1418 i3c_bus_set_addr_slot_status(&master->bus, dev->info.dyn_addr, in i3c_master_put_i3c_addrs()
1422 i3c_bus_set_addr_slot_status(&master->bus, dev->boardinfo->init_dyn_addr, in i3c_master_put_i3c_addrs()
1428 struct i3c_master_controller *master = i3c_dev_get_master(dev); in i3c_master_get_i3c_addrs() local
1435 status = i3c_bus_get_addr_slot_status(&master->bus, in i3c_master_get_i3c_addrs()
1444 i3c_bus_set_addr_slot_status(&master->bus, in i3c_master_get_i3c_addrs()
1457 status = i3c_bus_get_addr_slot_status(&master->bus, in i3c_master_get_i3c_addrs()
1462 i3c_bus_set_addr_slot_status(&master->bus, dev->info.dyn_addr, in i3c_master_get_i3c_addrs()
1470 i3c_bus_set_addr_slot_status(&master->bus, in i3c_master_get_i3c_addrs()
1477 static int i3c_master_attach_i3c_dev(struct i3c_master_controller *master, in i3c_master_attach_i3c_dev() argument
1493 /* Do not attach the master device itself. */ in i3c_master_attach_i3c_dev()
1494 if (master->this != dev && master->ops->attach_i3c_dev) { in i3c_master_attach_i3c_dev()
1495 ret = master->ops->attach_i3c_dev(dev); in i3c_master_attach_i3c_dev()
1502 list_add_tail(&dev->common.node, &master->bus.devs.i3c); in i3c_master_attach_i3c_dev()
1510 struct i3c_master_controller *master = i3c_dev_get_master(dev); in i3c_master_reattach_i3c_dev() local
1514 i3c_bus_set_addr_slot_status(&master->bus, in i3c_master_reattach_i3c_dev()
1518 i3c_bus_set_addr_slot_status(&master->bus, old_dyn_addr, in i3c_master_reattach_i3c_dev()
1522 if (master->ops->reattach_i3c_dev) { in i3c_master_reattach_i3c_dev()
1523 ret = master->ops->reattach_i3c_dev(dev, old_dyn_addr); in i3c_master_reattach_i3c_dev()
1535 struct i3c_master_controller *master = i3c_dev_get_master(dev); in i3c_master_detach_i3c_dev() local
1537 /* Do not detach the master device itself. */ in i3c_master_detach_i3c_dev()
1538 if (master->this != dev && master->ops->detach_i3c_dev) in i3c_master_detach_i3c_dev()
1539 master->ops->detach_i3c_dev(dev); in i3c_master_detach_i3c_dev()
1545 static int i3c_master_attach_i2c_dev(struct i3c_master_controller *master, in i3c_master_attach_i2c_dev() argument
1550 if (master->ops->attach_i2c_dev) { in i3c_master_attach_i2c_dev()
1551 ret = master->ops->attach_i2c_dev(dev); in i3c_master_attach_i2c_dev()
1556 list_add_tail(&dev->common.node, &master->bus.devs.i2c); in i3c_master_attach_i2c_dev()
1563 struct i3c_master_controller *master = i2c_dev_get_master(dev); in i3c_master_detach_i2c_dev() local
1567 if (master->ops->detach_i2c_dev) in i3c_master_detach_i2c_dev()
1568 master->ops->detach_i2c_dev(dev); in i3c_master_detach_i2c_dev()
1571 static int i3c_master_early_i3c_dev_add(struct i3c_master_controller *master, in i3c_master_early_i3c_dev_add() argument
1581 i3cdev = i3c_master_alloc_i3c_dev(master, &info); in i3c_master_early_i3c_dev_add()
1587 ret = i3c_master_attach_i3c_dev(master, i3cdev); in i3c_master_early_i3c_dev_add()
1591 ret = i3c_master_setdasa_locked(master, i3cdev->info.static_addr, in i3c_master_early_i3c_dev_add()
1608 i3c_master_rstdaa_locked(master, i3cdev->boardinfo->init_dyn_addr); in i3c_master_early_i3c_dev_add()
1618 i3c_master_register_new_i3c_devs(struct i3c_master_controller *master) in i3c_master_register_new_i3c_devs() argument
1623 if (!master->init_done) in i3c_master_register_new_i3c_devs()
1626 i3c_bus_for_each_i3cdev(&master->bus, desc) { in i3c_master_register_new_i3c_devs()
1627 if (desc->dev || !desc->info.dyn_addr || desc == master->this) in i3c_master_register_new_i3c_devs()
1634 desc->dev->bus = &master->bus; in i3c_master_register_new_i3c_devs()
1636 desc->dev->dev.parent = &master->dev; in i3c_master_register_new_i3c_devs()
1640 dev_set_name(&desc->dev->dev, "%d-%llx", master->bus.id, in i3c_master_register_new_i3c_devs()
1648 dev_err(&master->dev, in i3c_master_register_new_i3c_devs()
1657 * @master: master doing the DAA
1663 * The I3C device object is returned in case the master wants to attach
1670 int i3c_master_do_daa(struct i3c_master_controller *master) in i3c_master_do_daa() argument
1674 i3c_bus_maintenance_lock(&master->bus); in i3c_master_do_daa()
1675 ret = master->ops->do_daa(master); in i3c_master_do_daa()
1676 i3c_bus_maintenance_unlock(&master->bus); in i3c_master_do_daa()
1681 i3c_bus_normaluse_lock(&master->bus); in i3c_master_do_daa()
1682 i3c_master_register_new_i3c_devs(master); in i3c_master_do_daa()
1683 i3c_bus_normaluse_unlock(&master->bus); in i3c_master_do_daa()
1690 * i3c_master_set_info() - set master device information
1691 * @master: master used to send frames on the bus
1694 * Set master device info. This should be called from
1697 * Not all &i3c_device_info fields are meaningful for a master device.
1713 int i3c_master_set_info(struct i3c_master_controller *master, in i3c_master_set_info() argument
1719 if (!i3c_bus_dev_addr_is_avail(&master->bus, info->dyn_addr)) in i3c_master_set_info()
1723 master->secondary) in i3c_master_set_info()
1726 if (master->this) in i3c_master_set_info()
1729 i3cdev = i3c_master_alloc_i3c_dev(master, info); in i3c_master_set_info()
1733 master->this = i3cdev; in i3c_master_set_info()
1734 master->bus.cur_master = master->this; in i3c_master_set_info()
1736 ret = i3c_master_attach_i3c_dev(master, i3cdev); in i3c_master_set_info()
1749 static void i3c_master_detach_free_devs(struct i3c_master_controller *master) in i3c_master_detach_free_devs() argument
1754 list_for_each_entry_safe(i3cdev, i3ctmp, &master->bus.devs.i3c, in i3c_master_detach_free_devs()
1759 i3c_bus_set_addr_slot_status(&master->bus, in i3c_master_detach_free_devs()
1766 list_for_each_entry_safe(i2cdev, i2ctmp, &master->bus.devs.i2c, in i3c_master_detach_free_devs()
1769 i3c_bus_set_addr_slot_status(&master->bus, in i3c_master_detach_free_devs()
1778 * @master: main master initializing the bus
1783 * 1. Attach I2C devs to the master so that the master can fill its internal
1787 * the master controller. That's usually where the bus mode is selected
1799 * devices to the master.
1808 static int i3c_master_bus_init(struct i3c_master_controller *master) in i3c_master_bus_init() argument
1820 list_for_each_entry(i2cboardinfo, &master->boardinfo.i2c, node) { in i3c_master_bus_init()
1821 status = i3c_bus_get_addr_slot_status(&master->bus, in i3c_master_bus_init()
1828 i3c_bus_set_addr_slot_status(&master->bus, in i3c_master_bus_init()
1832 i2cdev = i3c_master_alloc_i2c_dev(master, in i3c_master_bus_init()
1840 ret = i3c_master_attach_i2c_dev(master, i2cdev); in i3c_master_bus_init()
1851 ret = master->ops->bus_init(master); in i3c_master_bus_init()
1856 * The master device should have been instantiated in ->bus_init(), in i3c_master_bus_init()
1859 if (!master->this) { in i3c_master_bus_init()
1860 dev_err(&master->dev, in i3c_master_bus_init()
1866 if (master->ops->set_speed) { in i3c_master_bus_init()
1867 ret = master->ops->set_speed(master, I3C_OPEN_DRAIN_SLOW_SPEED); in i3c_master_bus_init()
1876 ret = i3c_master_rstdaa_locked(master, I3C_BROADCAST_ADDR); in i3c_master_bus_init()
1880 if (master->ops->set_speed) { in i3c_master_bus_init()
1881 ret = master->ops->set_speed(master, I3C_OPEN_DRAIN_NORMAL_SPEED); in i3c_master_bus_init()
1887 ret = i3c_master_disec_locked(master, I3C_BROADCAST_ADDR, in i3c_master_bus_init()
1900 list_for_each_entry(i3cboardinfo, &master->boardinfo.i3c, node) { in i3c_master_bus_init()
1909 ret = i3c_bus_get_addr_slot_status(&master->bus, in i3c_master_bus_init()
1917 i3c_bus_set_addr_slot_status_mask(&master->bus, in i3c_master_bus_init()
1931 i3c_master_early_i3c_dev_add(master, i3cboardinfo); in i3c_master_bus_init()
1934 ret = i3c_master_do_daa(master); in i3c_master_bus_init()
1941 i3c_master_rstdaa_locked(master, I3C_BROADCAST_ADDR); in i3c_master_bus_init()
1944 if (master->ops->bus_cleanup) in i3c_master_bus_init()
1945 master->ops->bus_cleanup(master); in i3c_master_bus_init()
1948 i3c_master_detach_free_devs(master); in i3c_master_bus_init()
1953 static void i3c_master_bus_cleanup(struct i3c_master_controller *master) in i3c_master_bus_cleanup() argument
1955 if (master->ops->bus_cleanup) in i3c_master_bus_cleanup()
1956 master->ops->bus_cleanup(master); in i3c_master_bus_cleanup()
1958 i3c_master_detach_free_devs(master); in i3c_master_bus_cleanup()
1963 struct i3c_master_controller *master = i3cdev->common.master; in i3c_master_attach_boardinfo() local
1966 list_for_each_entry(i3cboardinfo, &master->boardinfo.i3c, node) { in i3c_master_attach_boardinfo()
1979 struct i3c_master_controller *master = i3c_dev_get_master(refdev); in i3c_master_search_i3c_dev_duplicate() local
1982 i3c_bus_for_each_i3cdev(&master->bus, i3cdev) { in i3c_master_search_i3c_dev_duplicate()
1992 * @master: master used to send frames on the bus
1999 * The I3C device object is returned in case the master wants to attach
2006 int i3c_master_add_i3c_dev_locked(struct i3c_master_controller *master, in i3c_master_add_i3c_dev_locked() argument
2016 if (!master) in i3c_master_add_i3c_dev_locked()
2019 newdev = i3c_master_alloc_i3c_dev(master, &info); in i3c_master_add_i3c_dev_locked()
2023 ret = i3c_master_attach_i3c_dev(master, newdev); in i3c_master_add_i3c_dev_locked()
2079 * master in i3c_master_add_i3c_dev_locked()
2089 i3c_bus_get_addr_slot_status(&master->bus, expected_dyn_addr) == I3C_ADDR_SLOT_FREE) { in i3c_master_add_i3c_dev_locked()
2092 * the address assigned by the master. in i3c_master_add_i3c_dev_locked()
2094 ret = i3c_master_setnewda_locked(master, in i3c_master_add_i3c_dev_locked()
2102 dev_err(&master->dev, in i3c_master_add_i3c_dev_locked()
2104 master->bus.id, newdev->info.pid); in i3c_master_add_i3c_dev_locked()
2119 dev_err(&master->dev, in i3c_master_add_i3c_dev_locked()
2121 master->bus.id, newdev->info.pid); in i3c_master_add_i3c_dev_locked()
2125 dev_err(&master->dev, in i3c_master_add_i3c_dev_locked()
2127 master->bus.id, newdev->info.pid); in i3c_master_add_i3c_dev_locked()
2150 of_i3c_master_add_i2c_boardinfo(struct i3c_master_controller *master, in of_i3c_master_add_i2c_boardinfo() argument
2154 struct device *dev = &master->dev; in of_i3c_master_add_i2c_boardinfo()
2178 list_add_tail(&boardinfo->node, &master->boardinfo.i2c); in of_i3c_master_add_i2c_boardinfo()
2185 of_i3c_master_add_i3c_boardinfo(struct i3c_master_controller *master, in of_i3c_master_add_i3c_boardinfo() argument
2189 struct device *dev = &master->dev; in of_i3c_master_add_i3c_boardinfo()
2201 addrstatus = i3c_bus_get_addr_slot_status(&master->bus, in of_i3c_master_add_i3c_boardinfo()
2213 addrstatus = i3c_bus_get_addr_slot_status(&master->bus, in of_i3c_master_add_i3c_boardinfo()
2227 list_add_tail(&boardinfo->node, &master->boardinfo.i3c); in of_i3c_master_add_i3c_boardinfo()
2232 static int of_i3c_master_add_dev(struct i3c_master_controller *master, in of_i3c_master_add_dev() argument
2238 if (!master || !node) in of_i3c_master_add_dev()
2250 ret = of_i3c_master_add_i2c_boardinfo(master, node, reg); in of_i3c_master_add_dev()
2252 ret = of_i3c_master_add_i3c_boardinfo(master, node, reg); in of_i3c_master_add_dev()
2257 static int of_populate_i3c_bus(struct i3c_master_controller *master) in of_populate_i3c_bus() argument
2259 struct device *dev = &master->dev; in of_populate_i3c_bus()
2269 ret = of_i3c_master_add_dev(master, node); in of_populate_i3c_bus()
2282 master->bus.scl_rate.i2c = val; in of_populate_i3c_bus()
2285 master->bus.scl_rate.i3c = val; in of_populate_i3c_bus()
2293 struct i3c_master_controller *master = i2c_adapter_to_i3c_master(adap); in i3c_master_i2c_adapter_xfer() local
2298 if (!xfers || !master || nxfers <= 0) in i3c_master_i2c_adapter_xfer()
2301 if (!master->ops->i2c_xfers) in i3c_master_i2c_adapter_xfer()
2311 i3c_bus_normaluse_lock(&master->bus); in i3c_master_i2c_adapter_xfer()
2312 dev = i3c_master_find_i2c_dev_by_addr(master, addr); in i3c_master_i2c_adapter_xfer()
2316 ret = master->ops->i2c_xfers(dev, xfers, nxfers); in i3c_master_i2c_adapter_xfer()
2317 i3c_bus_normaluse_unlock(&master->bus); in i3c_master_i2c_adapter_xfer()
2345 struct i3c_master_controller *master = i2c_adapter_to_i3c_master(adap); in i3c_master_i2c_attach() local
2351 if (i3c_master_find_i2c_dev_by_addr(master, client->addr)) in i3c_master_i2c_attach()
2354 status = i3c_bus_get_addr_slot_status(&master->bus, client->addr); in i3c_master_i2c_attach()
2358 i3c_bus_set_addr_slot_status(&master->bus, client->addr, in i3c_master_i2c_attach()
2361 i2cdev = i3c_master_alloc_i2c_dev(master, client->addr, in i3c_master_i2c_attach()
2368 ret = i3c_master_attach_i2c_dev(master, i2cdev); in i3c_master_i2c_attach()
2377 i3c_bus_set_addr_slot_status(&master->bus, client->addr, in i3c_master_i2c_attach()
2385 struct i3c_master_controller *master = i2c_adapter_to_i3c_master(adap); in i3c_master_i2c_detach() local
2388 dev = i3c_master_find_i2c_dev_by_addr(master, client->addr); in i3c_master_i2c_detach()
2393 i3c_bus_set_addr_slot_status(&master->bus, dev->addr, in i3c_master_i2c_detach()
2411 struct i3c_master_controller *master; in i3c_i2c_notifier_call() local
2423 master = i2c_adapter_to_i3c_master(adap); in i3c_i2c_notifier_call()
2425 i3c_bus_maintenance_lock(&master->bus); in i3c_i2c_notifier_call()
2434 i3c_bus_maintenance_unlock(&master->bus); in i3c_i2c_notifier_call()
2443 static int i3c_master_i2c_adapter_init(struct i3c_master_controller *master) in i3c_master_i2c_adapter_init() argument
2445 struct i2c_adapter *adap = i3c_master_to_i2c_adapter(master); in i3c_master_i2c_adapter_init()
2450 adap->dev.parent = master->dev.parent; in i3c_master_i2c_adapter_init()
2451 adap->owner = master->dev.parent->driver->owner; in i3c_master_i2c_adapter_init()
2453 strncpy(adap->name, dev_name(master->dev.parent), sizeof(adap->name)); in i3c_master_i2c_adapter_init()
2467 list_for_each_entry(i2cboardinfo, &master->boardinfo.i2c, node) { in i3c_master_i2c_adapter_init()
2468 i2cdev = i3c_master_find_i2c_dev_by_addr(master, in i3c_master_i2c_adapter_init()
2478 static void i3c_master_i2c_adapter_cleanup(struct i3c_master_controller *master) in i3c_master_i2c_adapter_cleanup() argument
2482 i2c_del_adapter(&master->i2c); in i3c_master_i2c_adapter_cleanup()
2484 i3c_bus_for_each_i2cdev(&master->bus, i2cdev) in i3c_master_i2c_adapter_cleanup()
2488 static void i3c_master_unregister_i3c_devs(struct i3c_master_controller *master) in i3c_master_unregister_i3c_devs() argument
2492 i3c_bus_for_each_i3cdev(&master->bus, i3cdev) { in i3c_master_unregister_i3c_devs()
2519 queue_work(dev->common.master->wq, &slot->work); in i3c_master_queue_ibi()
2528 struct i3c_master_controller *master = i3c_dev_get_master(dev); in i3c_master_handle_ibi() local
2537 master->ops->recycle_ibi_slot(dev, slot); in i3c_master_handle_ibi()
2687 * master driver struct_master_controller_ops->recycle_ibi() method.
2720 * i3c_master_register() - register an I3C master
2721 * @master: master used to send frames on the bus
2722 * @parent: the parent device (the one that provides this I3C master
2724 * @ops: the master controller operations
2725 * @secondary: true if you are registering a secondary master. Will return
2740 int i3c_master_register(struct i3c_master_controller *master, in i3c_master_register() argument
2746 struct i3c_bus *i3cbus = i3c_master_get_bus(master); in i3c_master_register()
2759 master->dev.parent = parent; in i3c_master_register()
2760 master->dev.of_node = of_node_get(parent->of_node); in i3c_master_register()
2761 master->dev.bus = &i3c_bus_type; in i3c_master_register()
2762 master->dev.type = &i3c_masterdev_type; in i3c_master_register()
2763 master->dev.release = i3c_masterdev_release; in i3c_master_register()
2764 master->ops = ops; in i3c_master_register()
2765 master->secondary = secondary; in i3c_master_register()
2766 INIT_LIST_HEAD(&master->boardinfo.i2c); in i3c_master_register()
2767 INIT_LIST_HEAD(&master->boardinfo.i3c); in i3c_master_register()
2769 ret = i3c_bus_init(i3cbus, master->dev.of_node); in i3c_master_register()
2773 device_initialize(&master->dev); in i3c_master_register()
2774 dev_set_name(&master->dev, "i3c-%d", i3cbus->id); in i3c_master_register()
2776 ret = of_populate_i3c_bus(master); in i3c_master_register()
2780 list_for_each_entry(i2cbi, &master->boardinfo.i2c, node) { in i3c_master_register()
2807 master->wq = alloc_workqueue("%s", 0, 0, dev_name(parent)); in i3c_master_register()
2808 if (!master->wq) { in i3c_master_register()
2813 ret = i3c_master_bus_init(master); in i3c_master_register()
2817 ret = device_add(&master->dev); in i3c_master_register()
2825 ret = i3c_master_i2c_adapter_init(master); in i3c_master_register()
2833 master->init_done = true; in i3c_master_register()
2834 i3c_bus_normaluse_lock(&master->bus); in i3c_master_register()
2835 i3c_master_register_new_i3c_devs(master); in i3c_master_register()
2836 i3c_bus_normaluse_unlock(&master->bus); in i3c_master_register()
2841 device_del(&master->dev); in i3c_master_register()
2844 i3c_master_bus_cleanup(master); in i3c_master_register()
2847 put_device(&master->dev); in i3c_master_register()
2854 * i3c_master_unregister() - unregister an I3C master
2855 * @master: master used to send frames on the bus
2859 void i3c_master_unregister(struct i3c_master_controller *master) in i3c_master_unregister() argument
2861 i3c_master_i2c_adapter_cleanup(master); in i3c_master_unregister()
2862 i3c_master_unregister_i3c_devs(master); in i3c_master_unregister()
2863 i3c_master_bus_cleanup(master); in i3c_master_unregister()
2864 device_unregister(&master->dev); in i3c_master_unregister()
2870 struct i3c_master_controller *master; in i3c_dev_setdasa_locked() local
2875 master = i3c_dev_get_master(dev); in i3c_dev_setdasa_locked()
2876 if (!master) in i3c_dev_setdasa_locked()
2883 return i3c_master_setdasa_locked(master, dev->info.static_addr, in i3c_dev_setdasa_locked()
2891 struct i3c_master_controller *master; in i3c_dev_do_priv_xfers_locked() local
2896 master = i3c_dev_get_master(dev); in i3c_dev_do_priv_xfers_locked()
2897 if (!master || !xfers) in i3c_dev_do_priv_xfers_locked()
2900 if (!master->ops->priv_xfers) in i3c_dev_do_priv_xfers_locked()
2903 return master->ops->priv_xfers(dev, xfers, nxfers); in i3c_dev_do_priv_xfers_locked()
2908 struct i3c_master_controller *master; in i3c_dev_disable_ibi_locked() local
2914 master = i3c_dev_get_master(dev); in i3c_dev_disable_ibi_locked()
2915 ret = master->ops->disable_ibi(dev); in i3c_dev_disable_ibi_locked()
2930 struct i3c_master_controller *master = i3c_dev_get_master(dev); in i3c_dev_enable_ibi_locked() local
2936 ret = master->ops->enable_ibi(dev); in i3c_dev_enable_ibi_locked()
2946 struct i3c_master_controller *master = i3c_dev_get_master(dev); in i3c_dev_request_ibi_locked() local
2950 if (!master->ops->request_ibi) in i3c_dev_request_ibi_locked()
2967 ret = master->ops->request_ibi(dev, req); in i3c_dev_request_ibi_locked()
2978 struct i3c_master_controller *master = i3c_dev_get_master(dev); in i3c_dev_free_ibi_locked() local
2986 master->ops->free_ibi(dev); in i3c_dev_free_ibi_locked()