Lines Matching +full:reset +full:- +full:bps
1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
2 // Copyright(c) 2015-18 Intel Corporation.
5 * stream.c - SoundWire Bus stream operations.
71 if (bus->params.next_bank) { in _sdw_program_slave_port_params()
72 addr1 = SDW_DPN_OFFSETCTRL2_B1(t_params->port_num); in _sdw_program_slave_port_params()
73 addr2 = SDW_DPN_BLOCKCTRL3_B1(t_params->port_num); in _sdw_program_slave_port_params()
74 addr3 = SDW_DPN_SAMPLECTRL2_B1(t_params->port_num); in _sdw_program_slave_port_params()
75 addr4 = SDW_DPN_HCTRL_B1(t_params->port_num); in _sdw_program_slave_port_params()
77 addr1 = SDW_DPN_OFFSETCTRL2_B0(t_params->port_num); in _sdw_program_slave_port_params()
78 addr2 = SDW_DPN_BLOCKCTRL3_B0(t_params->port_num); in _sdw_program_slave_port_params()
79 addr3 = SDW_DPN_SAMPLECTRL2_B0(t_params->port_num); in _sdw_program_slave_port_params()
80 addr4 = SDW_DPN_HCTRL_B0(t_params->port_num); in _sdw_program_slave_port_params()
84 ret = sdw_write_no_pm(slave, addr1, t_params->offset2); in _sdw_program_slave_port_params()
86 dev_err(bus->dev, "DPN_OffsetCtrl2 register write failed\n"); in _sdw_program_slave_port_params()
91 ret = sdw_write_no_pm(slave, addr2, t_params->blk_pkg_mode); in _sdw_program_slave_port_params()
93 dev_err(bus->dev, "DPN_BlockCtrl3 register write failed\n"); in _sdw_program_slave_port_params()
106 wbuf = FIELD_GET(SDW_DPN_SAMPLECTRL_HIGH, t_params->sample_interval - 1); in _sdw_program_slave_port_params()
110 dev_err(bus->dev, "DPN_SampleCtrl2 register write failed\n"); in _sdw_program_slave_port_params()
115 wbuf = FIELD_PREP(SDW_DPN_HCTRL_HSTART, t_params->hstart); in _sdw_program_slave_port_params()
116 wbuf |= FIELD_PREP(SDW_DPN_HCTRL_HSTOP, t_params->hstop); in _sdw_program_slave_port_params()
120 dev_err(bus->dev, "DPN_HCtrl register write failed\n"); in _sdw_program_slave_port_params()
129 struct sdw_transport_params *t_params = &p_rt->transport_params; in sdw_program_slave_port_params()
130 struct sdw_port_params *p_params = &p_rt->port_params; in sdw_program_slave_port_params()
131 struct sdw_slave_prop *slave_prop = &s_rt->slave->prop; in sdw_program_slave_port_params()
137 if (s_rt->slave->is_mockup_device) in sdw_program_slave_port_params()
140 dpn_prop = sdw_get_slave_dpn_prop(s_rt->slave, in sdw_program_slave_port_params()
141 s_rt->direction, in sdw_program_slave_port_params()
142 t_params->port_num); in sdw_program_slave_port_params()
144 return -EINVAL; in sdw_program_slave_port_params()
146 addr1 = SDW_DPN_PORTCTRL(t_params->port_num); in sdw_program_slave_port_params()
147 addr2 = SDW_DPN_BLOCKCTRL1(t_params->port_num); in sdw_program_slave_port_params()
149 if (bus->params.next_bank) { in sdw_program_slave_port_params()
150 addr3 = SDW_DPN_SAMPLECTRL1_B1(t_params->port_num); in sdw_program_slave_port_params()
151 addr4 = SDW_DPN_OFFSETCTRL1_B1(t_params->port_num); in sdw_program_slave_port_params()
152 addr5 = SDW_DPN_BLOCKCTRL2_B1(t_params->port_num); in sdw_program_slave_port_params()
153 addr6 = SDW_DPN_LANECTRL_B1(t_params->port_num); in sdw_program_slave_port_params()
156 addr3 = SDW_DPN_SAMPLECTRL1_B0(t_params->port_num); in sdw_program_slave_port_params()
157 addr4 = SDW_DPN_OFFSETCTRL1_B0(t_params->port_num); in sdw_program_slave_port_params()
158 addr5 = SDW_DPN_BLOCKCTRL2_B0(t_params->port_num); in sdw_program_slave_port_params()
159 addr6 = SDW_DPN_LANECTRL_B0(t_params->port_num); in sdw_program_slave_port_params()
163 wbuf = FIELD_PREP(SDW_DPN_PORTCTRL_DATAMODE, p_params->data_mode); in sdw_program_slave_port_params()
164 wbuf |= FIELD_PREP(SDW_DPN_PORTCTRL_FLOWMODE, p_params->flow_mode); in sdw_program_slave_port_params()
166 ret = sdw_update_no_pm(s_rt->slave, addr1, 0xF, wbuf); in sdw_program_slave_port_params()
168 dev_err(&s_rt->slave->dev, in sdw_program_slave_port_params()
170 t_params->port_num); in sdw_program_slave_port_params()
174 if (!dpn_prop->read_only_wordlength) { in sdw_program_slave_port_params()
176 ret = sdw_write_no_pm(s_rt->slave, addr2, (p_params->bps - 1)); in sdw_program_slave_port_params()
178 dev_err(&s_rt->slave->dev, in sdw_program_slave_port_params()
180 t_params->port_num); in sdw_program_slave_port_params()
186 wbuf = (t_params->sample_interval - 1) & SDW_DPN_SAMPLECTRL_LOW; in sdw_program_slave_port_params()
187 ret = sdw_write_no_pm(s_rt->slave, addr3, wbuf); in sdw_program_slave_port_params()
189 dev_err(&s_rt->slave->dev, in sdw_program_slave_port_params()
191 t_params->port_num); in sdw_program_slave_port_params()
196 ret = sdw_write_no_pm(s_rt->slave, addr4, t_params->offset1); in sdw_program_slave_port_params()
198 dev_err(&s_rt->slave->dev, in sdw_program_slave_port_params()
200 t_params->port_num); in sdw_program_slave_port_params()
205 if (t_params->blk_grp_ctrl_valid) { in sdw_program_slave_port_params()
206 ret = sdw_write_no_pm(s_rt->slave, addr5, t_params->blk_grp_ctrl); in sdw_program_slave_port_params()
208 dev_err(&s_rt->slave->dev, in sdw_program_slave_port_params()
210 t_params->port_num); in sdw_program_slave_port_params()
216 if (slave_prop->lane_control_support) { in sdw_program_slave_port_params()
217 ret = sdw_write_no_pm(s_rt->slave, addr6, t_params->lane_ctrl); in sdw_program_slave_port_params()
219 dev_err(&s_rt->slave->dev, in sdw_program_slave_port_params()
221 t_params->port_num); in sdw_program_slave_port_params()
226 if (dpn_prop->type != SDW_DPN_SIMPLE) { in sdw_program_slave_port_params()
227 ret = _sdw_program_slave_port_params(bus, s_rt->slave, in sdw_program_slave_port_params()
228 t_params, dpn_prop->type); in sdw_program_slave_port_params()
230 dev_err(&s_rt->slave->dev, in sdw_program_slave_port_params()
232 t_params->port_num); in sdw_program_slave_port_params()
249 ret = bus->port_ops->dpn_set_port_transport_params(bus, in sdw_program_master_port_params()
250 &p_rt->transport_params, in sdw_program_master_port_params()
251 bus->params.next_bank); in sdw_program_master_port_params()
255 return bus->port_ops->dpn_set_port_params(bus, in sdw_program_master_port_params()
256 &p_rt->port_params, in sdw_program_master_port_params()
257 bus->params.next_bank); in sdw_program_master_port_params()
261 * sdw_program_port_params() - Programs transport parameters of Master(s)
269 struct sdw_bus *bus = m_rt->bus; in sdw_program_port_params()
274 list_for_each_entry(s_rt, &m_rt->slave_rt_list, m_rt_node) { in sdw_program_port_params()
275 list_for_each_entry(p_rt, &s_rt->port_list, port_node) { in sdw_program_port_params()
283 list_for_each_entry(p_rt, &m_rt->port_list, port_node) { in sdw_program_port_params()
308 struct sdw_transport_params *t_params = &p_rt->transport_params; in sdw_enable_disable_slave_ports()
312 if (bus->params.next_bank) in sdw_enable_disable_slave_ports()
313 addr = SDW_DPN_CHANNELEN_B1(p_rt->num); in sdw_enable_disable_slave_ports()
315 addr = SDW_DPN_CHANNELEN_B0(p_rt->num); in sdw_enable_disable_slave_ports()
319 * it is safe to reset this register in sdw_enable_disable_slave_ports()
322 ret = sdw_write_no_pm(s_rt->slave, addr, p_rt->ch_mask); in sdw_enable_disable_slave_ports()
324 ret = sdw_write_no_pm(s_rt->slave, addr, 0x0); in sdw_enable_disable_slave_ports()
327 dev_err(&s_rt->slave->dev, in sdw_enable_disable_slave_ports()
329 ret, t_params->port_num); in sdw_enable_disable_slave_ports()
338 struct sdw_transport_params *t_params = &p_rt->transport_params; in sdw_enable_disable_master_ports()
339 struct sdw_bus *bus = m_rt->bus; in sdw_enable_disable_master_ports()
343 enable_ch.port_num = p_rt->num; in sdw_enable_disable_master_ports()
344 enable_ch.ch_mask = p_rt->ch_mask; in sdw_enable_disable_master_ports()
348 if (bus->port_ops->dpn_port_enable_ch) { in sdw_enable_disable_master_ports()
349 ret = bus->port_ops->dpn_port_enable_ch(bus, in sdw_enable_disable_master_ports()
351 bus->params.next_bank); in sdw_enable_disable_master_ports()
353 dev_err(bus->dev, in sdw_enable_disable_master_ports()
355 ret, t_params->port_num); in sdw_enable_disable_master_ports()
359 dev_err(bus->dev, in sdw_enable_disable_master_ports()
362 return -EINVAL; in sdw_enable_disable_master_ports()
369 * sdw_enable_disable_ports() - Enable/disable port(s) for Master and
382 list_for_each_entry(s_rt, &m_rt->slave_rt_list, m_rt_node) { in sdw_enable_disable_ports()
383 list_for_each_entry(s_port, &s_rt->port_list, port_node) { in sdw_enable_disable_ports()
384 ret = sdw_enable_disable_slave_ports(m_rt->bus, s_rt, in sdw_enable_disable_ports()
392 list_for_each_entry(m_port, &m_rt->port_list, port_node) { in sdw_enable_disable_ports()
406 struct sdw_slave *slave = s_rt->slave; in sdw_do_port_prep()
408 mutex_lock(&slave->sdw_dev_lock); in sdw_do_port_prep()
410 if (slave->probed) { in sdw_do_port_prep()
411 struct device *dev = &slave->dev; in sdw_do_port_prep()
412 struct sdw_driver *drv = drv_to_sdw_driver(dev->driver); in sdw_do_port_prep()
414 if (drv->ops && drv->ops->port_prep) { in sdw_do_port_prep()
415 ret = drv->ops->port_prep(slave, &prep_ch, cmd); in sdw_do_port_prep()
422 mutex_unlock(&slave->sdw_dev_lock); in sdw_do_port_prep()
439 prep_ch.num = p_rt->num; in sdw_prep_deprep_slave_ports()
440 prep_ch.ch_mask = p_rt->ch_mask; in sdw_prep_deprep_slave_ports()
442 dpn_prop = sdw_get_slave_dpn_prop(s_rt->slave, in sdw_prep_deprep_slave_ports()
443 s_rt->direction, in sdw_prep_deprep_slave_ports()
446 dev_err(bus->dev, in sdw_prep_deprep_slave_ports()
448 return -EINVAL; in sdw_prep_deprep_slave_ports()
453 prep_ch.bank = bus->params.next_bank; in sdw_prep_deprep_slave_ports()
455 if (dpn_prop->imp_def_interrupts || !dpn_prop->simple_ch_prep_sm || in sdw_prep_deprep_slave_ports()
456 bus->params.s_data_mode != SDW_PORT_DATA_MODE_NORMAL) in sdw_prep_deprep_slave_ports()
461 * For Port de-prepare, it is assumed that port in sdw_prep_deprep_slave_ports()
465 ret = sdw_configure_dpn_intr(s_rt->slave, p_rt->num, prep, in sdw_prep_deprep_slave_ports()
466 dpn_prop->imp_def_interrupts); in sdw_prep_deprep_slave_ports()
475 if (!dpn_prop->simple_ch_prep_sm) { in sdw_prep_deprep_slave_ports()
476 addr = SDW_DPN_PREPARECTRL(p_rt->num); in sdw_prep_deprep_slave_ports()
479 ret = sdw_write_no_pm(s_rt->slave, addr, p_rt->ch_mask); in sdw_prep_deprep_slave_ports()
481 ret = sdw_write_no_pm(s_rt->slave, addr, 0x0); in sdw_prep_deprep_slave_ports()
484 dev_err(&s_rt->slave->dev, in sdw_prep_deprep_slave_ports()
490 port_ready = &s_rt->slave->port_ready[prep_ch.num]; in sdw_prep_deprep_slave_ports()
492 msecs_to_jiffies(dpn_prop->ch_prep_timeout)); in sdw_prep_deprep_slave_ports()
494 val = sdw_read_no_pm(s_rt->slave, SDW_DPN_PREPARESTATUS(p_rt->num)); in sdw_prep_deprep_slave_ports()
495 if ((val < 0) || (val & p_rt->ch_mask)) { in sdw_prep_deprep_slave_ports()
496 ret = (val < 0) ? val : -ETIMEDOUT; in sdw_prep_deprep_slave_ports()
497 dev_err(&s_rt->slave->dev, in sdw_prep_deprep_slave_ports()
506 /* Disable interrupt after Port de-prepare */ in sdw_prep_deprep_slave_ports()
508 ret = sdw_configure_dpn_intr(s_rt->slave, p_rt->num, prep, in sdw_prep_deprep_slave_ports()
509 dpn_prop->imp_def_interrupts); in sdw_prep_deprep_slave_ports()
518 struct sdw_transport_params *t_params = &p_rt->transport_params; in sdw_prep_deprep_master_ports()
519 struct sdw_bus *bus = m_rt->bus; in sdw_prep_deprep_master_ports()
520 const struct sdw_master_port_ops *ops = bus->port_ops; in sdw_prep_deprep_master_ports()
524 prep_ch.num = p_rt->num; in sdw_prep_deprep_master_ports()
525 prep_ch.ch_mask = p_rt->ch_mask; in sdw_prep_deprep_master_ports()
526 prep_ch.prepare = prep; /* Prepare/De-prepare */ in sdw_prep_deprep_master_ports()
527 prep_ch.bank = bus->params.next_bank; in sdw_prep_deprep_master_ports()
529 /* Pre-prepare/Pre-deprepare port(s) */ in sdw_prep_deprep_master_ports()
530 if (ops->dpn_port_prep) { in sdw_prep_deprep_master_ports()
531 ret = ops->dpn_port_prep(bus, &prep_ch); in sdw_prep_deprep_master_ports()
533 dev_err(bus->dev, "Port prepare failed for port:%d\n", in sdw_prep_deprep_master_ports()
534 t_params->port_num); in sdw_prep_deprep_master_ports()
543 * sdw_prep_deprep_ports() - Prepare/De-prepare port(s) for Master(s) and
547 * @prep: Prepare or De-prepare
555 /* Prepare/De-prepare Slave port(s) */ in sdw_prep_deprep_ports()
556 list_for_each_entry(s_rt, &m_rt->slave_rt_list, m_rt_node) { in sdw_prep_deprep_ports()
557 list_for_each_entry(p_rt, &s_rt->port_list, port_node) { in sdw_prep_deprep_ports()
558 ret = sdw_prep_deprep_slave_ports(m_rt->bus, s_rt, in sdw_prep_deprep_ports()
565 /* Prepare/De-prepare Master port(s) */ in sdw_prep_deprep_ports()
566 list_for_each_entry(p_rt, &m_rt->port_list, port_node) { in sdw_prep_deprep_ports()
576 * sdw_notify_config() - Notify bus configuration
586 struct sdw_bus *bus = m_rt->bus; in sdw_notify_config()
590 if (bus->ops->set_bus_conf) { in sdw_notify_config()
591 ret = bus->ops->set_bus_conf(bus, &bus->params); in sdw_notify_config()
596 list_for_each_entry(s_rt, &m_rt->slave_rt_list, m_rt_node) { in sdw_notify_config()
597 slave = s_rt->slave; in sdw_notify_config()
599 mutex_lock(&slave->sdw_dev_lock); in sdw_notify_config()
601 if (slave->probed) { in sdw_notify_config()
602 struct device *dev = &slave->dev; in sdw_notify_config()
603 struct sdw_driver *drv = drv_to_sdw_driver(dev->driver); in sdw_notify_config()
605 if (drv->ops && drv->ops->bus_config) { in sdw_notify_config()
606 ret = drv->ops->bus_config(slave, &bus->params); in sdw_notify_config()
609 slave->dev_num); in sdw_notify_config()
610 mutex_unlock(&slave->sdw_dev_lock); in sdw_notify_config()
616 mutex_unlock(&slave->sdw_dev_lock); in sdw_notify_config()
623 * sdw_program_params() - Program transport and port parameters for Master(s)
637 list_for_each_entry(slave, &bus->slaves, node) { in sdw_program_params()
638 if (!slave->dev_num_sticky) in sdw_program_params()
641 dev_dbg(&slave->dev, "The Peripheral doesn't comply with SDCA\n"); in sdw_program_params()
646 if (bus->params.next_bank) in sdw_program_params()
652 list_for_each_entry(slave, &bus->slaves, node) { in sdw_program_params()
656 if (!slave->dev_num_sticky) in sdw_program_params()
664 dev_err(&slave->dev, "SDW_SCP_BUSCLOCK_SCALE register write failed\n"); in sdw_program_params()
670 list_for_each_entry(m_rt, &bus->m_rt_list, bus_node) { in sdw_program_params()
676 * already-prepared stream otherwise. in sdw_program_params()
679 m_rt->stream->state == SDW_STREAM_CONFIGURED) in sdw_program_params()
684 dev_err(bus->dev, in sdw_program_params()
691 dev_err(bus->dev, in sdw_program_params()
697 if (m_rt->stream->state != SDW_STREAM_ENABLED) in sdw_program_params()
702 dev_err(bus->dev, "Enable channel failed: %d\n", ret); in sdw_program_params()
721 return -ENOMEM; in sdw_bank_switch()
725 ret = -ENOMEM; in sdw_bank_switch()
730 col_index = sdw_find_col_index(bus->params.col); in sdw_bank_switch()
731 row_index = sdw_find_row_index(bus->params.row); in sdw_bank_switch()
734 if (bus->params.next_bank) in sdw_bank_switch()
741 wr_msg->ssp_sync = true; in sdw_bank_switch()
745 * and hardware-based sync is required in sdw_bank_switch()
747 multi_link = bus->multi_link && (m_rt_count >= bus->hw_sync_min_links); in sdw_bank_switch()
754 if (ret < 0 && ret != -ENODATA) { in sdw_bank_switch()
755 dev_err(bus->dev, "Slave frame_ctrl reg write failed\n"); in sdw_bank_switch()
762 bus->defer_msg.msg = NULL; in sdw_bank_switch()
763 bus->params.curr_bank = !bus->params.curr_bank; in sdw_bank_switch()
764 bus->params.next_bank = !bus->params.next_bank; in sdw_bank_switch()
773 bus->defer_msg.msg = NULL; in sdw_bank_switch()
781 * @multi_link: whether this is a multi-link stream with hardware-based sync
793 time_left = wait_for_completion_timeout(&bus->defer_msg.complete, in sdw_ml_sync_bank_switch()
794 bus->bank_switch_timeout); in sdw_ml_sync_bank_switch()
797 dev_err(bus->dev, "Controller Timed out on bank switch\n"); in sdw_ml_sync_bank_switch()
798 return -ETIMEDOUT; in sdw_ml_sync_bank_switch()
801 bus->params.curr_bank = !bus->params.curr_bank; in sdw_ml_sync_bank_switch()
802 bus->params.next_bank = !bus->params.next_bank; in sdw_ml_sync_bank_switch()
804 if (bus->defer_msg.msg) { in sdw_ml_sync_bank_switch()
805 kfree(bus->defer_msg.msg->buf); in sdw_ml_sync_bank_switch()
806 kfree(bus->defer_msg.msg); in sdw_ml_sync_bank_switch()
807 bus->defer_msg.msg = NULL; in sdw_ml_sync_bank_switch()
822 m_rt_count = stream->m_rt_count; in do_bank_switch()
824 list_for_each_entry(m_rt, &stream->master_list, stream_node) { in do_bank_switch()
825 bus = m_rt->bus; in do_bank_switch()
826 ops = bus->ops; in do_bank_switch()
828 if (bus->multi_link && m_rt_count >= bus->hw_sync_min_links) { in do_bank_switch()
830 mutex_lock(&bus->msg_lock); in do_bank_switch()
833 /* Pre-bank switch */ in do_bank_switch()
834 if (ops->pre_bank_switch) { in do_bank_switch()
835 ret = ops->pre_bank_switch(bus); in do_bank_switch()
837 dev_err(bus->dev, in do_bank_switch()
851 dev_err(bus->dev, "Bank switch failed: %d\n", ret); in do_bank_switch()
862 list_for_each_entry(m_rt, &stream->master_list, stream_node) { in do_bank_switch()
863 bus = m_rt->bus; in do_bank_switch()
864 ops = bus->ops; in do_bank_switch()
866 /* Post-bank switch */ in do_bank_switch()
867 if (ops->post_bank_switch) { in do_bank_switch()
868 ret = ops->post_bank_switch(bus); in do_bank_switch()
870 dev_err(bus->dev, in do_bank_switch()
876 dev_err(bus->dev, in do_bank_switch()
878 ret = -EINVAL; in do_bank_switch()
883 if (!bus->bank_switch_timeout) in do_bank_switch()
884 bus->bank_switch_timeout = DEFAULT_BANK_SWITCH_TIMEOUT; in do_bank_switch()
889 dev_err(bus->dev, in do_bank_switch()
895 mutex_unlock(&bus->msg_lock); in do_bank_switch()
901 list_for_each_entry(m_rt, &stream->master_list, stream_node) { in do_bank_switch()
902 bus = m_rt->bus; in do_bank_switch()
903 if (bus->defer_msg.msg) { in do_bank_switch()
904 kfree(bus->defer_msg.msg->buf); in do_bank_switch()
905 kfree(bus->defer_msg.msg); in do_bank_switch()
906 bus->defer_msg.msg = NULL; in do_bank_switch()
913 list_for_each_entry(m_rt, &stream->master_list, stream_node) { in do_bank_switch()
914 bus = m_rt->bus; in do_bank_switch()
915 if (mutex_is_locked(&bus->msg_lock)) in do_bank_switch()
916 mutex_unlock(&bus->msg_lock); in do_bank_switch()
931 list_add_tail(&p_rt->port_node, port_list); in sdw_port_alloc()
940 p_rt->ch_mask = port_config[port_index].ch_mask; in sdw_port_config()
941 p_rt->num = port_config[port_index].num; in sdw_port_config()
952 list_del(&p_rt->port_node); in sdw_port_free()
958 return !list_empty(&s_rt->port_list); in sdw_slave_port_allocated()
968 list_for_each_entry(m_rt, &stream->master_list, stream_node) { in sdw_slave_port_free()
969 list_for_each_entry(s_rt, &m_rt->slave_rt_list, m_rt_node) { in sdw_slave_port_free()
970 if (s_rt->slave != slave) in sdw_slave_port_free()
974 &s_rt->port_list, port_node) { in sdw_slave_port_free()
990 p_rt = sdw_port_alloc(&s_rt->port_list); in sdw_slave_port_alloc()
992 return -ENOMEM; in sdw_slave_port_alloc()
1002 return -EINVAL; in sdw_slave_port_is_valid_range()
1017 list_for_each_entry(p_rt, &s_rt->port_list, port_node) { in sdw_slave_port_config()
1022 ret = sdw_slave_port_is_valid_range(&slave->dev, port_config[i].num); in sdw_slave_port_config()
1037 return !list_empty(&m_rt->port_list); in sdw_master_port_allocated()
1044 list_for_each_entry_safe(p_rt, _p_rt, &m_rt->port_list, port_node) { in sdw_master_port_free()
1057 p_rt = sdw_port_alloc(&m_rt->port_list); in sdw_master_port_alloc()
1059 return -ENOMEM; in sdw_master_port_alloc()
1073 list_for_each_entry(p_rt, &m_rt->port_list, port_node) { in sdw_master_port_config()
1084 * sdw_slave_rt_alloc() - Allocate a Slave runtime handle.
1101 INIT_LIST_HEAD(&s_rt->port_list); in sdw_slave_rt_alloc()
1102 s_rt->slave = slave; in sdw_slave_rt_alloc()
1104 list_add_tail(&s_rt->m_rt_node, &m_rt->slave_rt_list); in sdw_slave_rt_alloc()
1110 * sdw_slave_rt_config() - Configure a Slave runtime handle.
1120 s_rt->ch_count = stream_config->ch_count; in sdw_slave_rt_config()
1121 s_rt->direction = stream_config->direction; in sdw_slave_rt_config()
1132 list_for_each_entry(m_rt, &stream->master_list, stream_node) { in sdw_slave_rt_find()
1135 &m_rt->slave_rt_list, m_rt_node) { in sdw_slave_rt_find()
1136 if (s_rt->slave == slave) in sdw_slave_rt_find()
1144 * sdw_slave_rt_free() - Free Slave(s) runtime handle
1158 list_del(&s_rt->m_rt_node); in sdw_slave_rt_free()
1170 list_for_each_entry(m_rt, &stream->master_list, stream_node) { in sdw_master_rt_find()
1171 if (m_rt->bus == bus) in sdw_master_rt_find()
1179 * sdw_master_rt_alloc() - Allocates a Master runtime handle
1198 INIT_LIST_HEAD(&m_rt->port_list); in sdw_master_rt_alloc()
1199 INIT_LIST_HEAD(&m_rt->slave_rt_list); in sdw_master_rt_alloc()
1206 insert_after = &stream->master_list; in sdw_master_rt_alloc()
1207 list_for_each_entry_reverse(walk_m_rt, &stream->master_list, stream_node) { in sdw_master_rt_alloc()
1208 if (walk_m_rt->bus->id < bus->id) { in sdw_master_rt_alloc()
1209 insert_after = &walk_m_rt->stream_node; in sdw_master_rt_alloc()
1213 list_add(&m_rt->stream_node, insert_after); in sdw_master_rt_alloc()
1215 list_add_tail(&m_rt->bus_node, &bus->m_rt_list); in sdw_master_rt_alloc()
1217 m_rt->bus = bus; in sdw_master_rt_alloc()
1218 m_rt->stream = stream; in sdw_master_rt_alloc()
1220 bus->stream_refcount++; in sdw_master_rt_alloc()
1226 * sdw_master_rt_config() - Configure Master runtime handle
1237 m_rt->ch_count = stream_config->ch_count; in sdw_master_rt_config()
1238 m_rt->direction = stream_config->direction; in sdw_master_rt_config()
1244 * sdw_master_rt_free() - Free Master runtime handle
1258 struct sdw_bus *bus = m_rt->bus; in sdw_master_rt_free()
1260 list_for_each_entry_safe(s_rt, _s_rt, &m_rt->slave_rt_list, m_rt_node) { in sdw_master_rt_free()
1261 sdw_slave_port_free(s_rt->slave, stream); in sdw_master_rt_free()
1262 sdw_slave_rt_free(s_rt->slave, stream); in sdw_master_rt_free()
1265 list_del(&m_rt->stream_node); in sdw_master_rt_free()
1266 list_del(&m_rt->bus_node); in sdw_master_rt_free()
1269 bus->stream_refcount--; in sdw_master_rt_free()
1273 * sdw_config_stream() - Configure the allocated stream
1288 * Update the stream rate, channel and bps based on data in sdw_config_stream()
1290 * match the rate, bps, stream type and increment number of channels. in sdw_config_stream()
1292 * If rate/bps is zero, it means the values are not set, so skip in sdw_config_stream()
1295 if (stream->params.rate && in sdw_config_stream()
1296 stream->params.rate != stream_config->frame_rate) { in sdw_config_stream()
1297 dev_err(dev, "rate not matching, stream:%s\n", stream->name); in sdw_config_stream()
1298 return -EINVAL; in sdw_config_stream()
1301 if (stream->params.bps && in sdw_config_stream()
1302 stream->params.bps != stream_config->bps) { in sdw_config_stream()
1303 dev_err(dev, "bps not matching, stream:%s\n", stream->name); in sdw_config_stream()
1304 return -EINVAL; in sdw_config_stream()
1307 stream->type = stream_config->type; in sdw_config_stream()
1308 stream->params.rate = stream_config->frame_rate; in sdw_config_stream()
1309 stream->params.bps = stream_config->bps; in sdw_config_stream()
1311 /* TODO: Update this check during Device-device support */ in sdw_config_stream()
1313 stream->params.ch_count += stream_config->ch_count; in sdw_config_stream()
1319 * sdw_get_slave_dpn_prop() - Get Slave port capabilities
1334 num_ports = hweight32(slave->prop.source_ports); in sdw_get_slave_dpn_prop()
1335 dpn_prop = slave->prop.src_dpn_prop; in sdw_get_slave_dpn_prop()
1337 num_ports = hweight32(slave->prop.sink_ports); in sdw_get_slave_dpn_prop()
1338 dpn_prop = slave->prop.sink_dpn_prop; in sdw_get_slave_dpn_prop()
1365 list_for_each_entry(m_rt, &stream->master_list, stream_node) { in sdw_acquire_bus_lock()
1366 bus = m_rt->bus; in sdw_acquire_bus_lock()
1368 mutex_lock(&bus->bus_lock); in sdw_acquire_bus_lock()
1387 list_for_each_entry_reverse(m_rt, &stream->master_list, stream_node) { in sdw_release_bus_lock()
1388 bus = m_rt->bus; in sdw_release_bus_lock()
1389 mutex_unlock(&bus->bus_lock); in sdw_release_bus_lock()
1403 list_for_each_entry(m_rt, &stream->master_list, stream_node) { in _sdw_prepare_stream()
1404 bus = m_rt->bus; in _sdw_prepare_stream()
1405 prop = &bus->prop; in _sdw_prepare_stream()
1406 memcpy(¶ms, &bus->params, sizeof(params)); in _sdw_prepare_stream()
1409 if ((prop->max_clk_freq % stream->params.rate) != 0) { in _sdw_prepare_stream()
1410 dev_err(bus->dev, "Async mode not supported\n"); in _sdw_prepare_stream()
1411 return -EINVAL; in _sdw_prepare_stream()
1416 /* TODO: Update this during Device-Device support */ in _sdw_prepare_stream()
1417 bus->params.bandwidth += m_rt->stream->params.rate * in _sdw_prepare_stream()
1418 m_rt->ch_count * m_rt->stream->params.bps; in _sdw_prepare_stream()
1421 if (bus->compute_params) { in _sdw_prepare_stream()
1422 ret = bus->compute_params(bus, stream); in _sdw_prepare_stream()
1424 dev_err(bus->dev, "Compute params failed: %d\n", in _sdw_prepare_stream()
1434 dev_err(bus->dev, "Program params failed: %d\n", ret); in _sdw_prepare_stream()
1445 list_for_each_entry(m_rt, &stream->master_list, stream_node) { in _sdw_prepare_stream()
1446 bus = m_rt->bus; in _sdw_prepare_stream()
1451 dev_err(bus->dev, "Prepare port(s) failed ret = %d\n", in _sdw_prepare_stream()
1457 stream->state = SDW_STREAM_PREPARED; in _sdw_prepare_stream()
1462 memcpy(&bus->params, ¶ms, sizeof(params)); in _sdw_prepare_stream()
1467 * sdw_prepare_stream() - Prepare SoundWire stream
1471 * Documentation/driver-api/soundwire/stream.rst explains this API in detail
1480 return -EINVAL; in sdw_prepare_stream()
1485 if (stream->state == SDW_STREAM_PREPARED) { in sdw_prepare_stream()
1490 if (stream->state != SDW_STREAM_CONFIGURED && in sdw_prepare_stream()
1491 stream->state != SDW_STREAM_DEPREPARED && in sdw_prepare_stream()
1492 stream->state != SDW_STREAM_DISABLED) { in sdw_prepare_stream()
1494 __func__, stream->name, stream->state); in sdw_prepare_stream()
1495 ret = -EINVAL; in sdw_prepare_stream()
1503 * still need to be re-applied in sdw_prepare_stream()
1505 if (stream->state == SDW_STREAM_DISABLED) in sdw_prepare_stream()
1523 list_for_each_entry(m_rt, &stream->master_list, stream_node) { in _sdw_enable_stream()
1524 bus = m_rt->bus; in _sdw_enable_stream()
1529 dev_err(bus->dev, "%s: Program params failed: %d\n", __func__, ret); in _sdw_enable_stream()
1536 dev_err(bus->dev, in _sdw_enable_stream()
1548 stream->state = SDW_STREAM_ENABLED; in _sdw_enable_stream()
1553 * sdw_enable_stream() - Enable SoundWire stream
1557 * Documentation/driver-api/soundwire/stream.rst explains this API in detail
1565 return -EINVAL; in sdw_enable_stream()
1570 if (stream->state == SDW_STREAM_ENABLED) { in sdw_enable_stream()
1575 if (stream->state != SDW_STREAM_PREPARED && in sdw_enable_stream()
1576 stream->state != SDW_STREAM_DISABLED) { in sdw_enable_stream()
1578 __func__, stream->name, stream->state); in sdw_enable_stream()
1579 ret = -EINVAL; in sdw_enable_stream()
1596 list_for_each_entry(m_rt, &stream->master_list, stream_node) { in _sdw_disable_stream()
1597 struct sdw_bus *bus = m_rt->bus; in _sdw_disable_stream()
1602 dev_err(bus->dev, "Disable port(s) failed: %d\n", ret); in _sdw_disable_stream()
1606 stream->state = SDW_STREAM_DISABLED; in _sdw_disable_stream()
1608 list_for_each_entry(m_rt, &stream->master_list, stream_node) { in _sdw_disable_stream()
1609 struct sdw_bus *bus = m_rt->bus; in _sdw_disable_stream()
1614 dev_err(bus->dev, "%s: Program params failed: %d\n", __func__, ret); in _sdw_disable_stream()
1626 list_for_each_entry(m_rt, &stream->master_list, stream_node) { in _sdw_disable_stream()
1627 struct sdw_bus *bus = m_rt->bus; in _sdw_disable_stream()
1632 dev_err(bus->dev, "Disable port(s) failed: %d\n", ret); in _sdw_disable_stream()
1641 * sdw_disable_stream() - Disable SoundWire stream
1645 * Documentation/driver-api/soundwire/stream.rst explains this API in detail
1653 return -EINVAL; in sdw_disable_stream()
1658 if (stream->state == SDW_STREAM_DISABLED) { in sdw_disable_stream()
1663 if (stream->state != SDW_STREAM_ENABLED) { in sdw_disable_stream()
1665 __func__, stream->name, stream->state); in sdw_disable_stream()
1666 ret = -EINVAL; in sdw_disable_stream()
1685 int state = stream->state; in _sdw_deprepare_stream()
1692 stream->state = SDW_STREAM_DEPREPARED; in _sdw_deprepare_stream()
1694 list_for_each_entry(m_rt, &stream->master_list, stream_node) { in _sdw_deprepare_stream()
1695 bus = m_rt->bus; in _sdw_deprepare_stream()
1696 /* De-prepare port(s) */ in _sdw_deprepare_stream()
1699 dev_err(bus->dev, in _sdw_deprepare_stream()
1700 "De-prepare port(s) failed: %d\n", ret); in _sdw_deprepare_stream()
1701 stream->state = state; in _sdw_deprepare_stream()
1707 list_for_each_entry(p_rt, &m_rt->port_list, port_node) { in _sdw_deprepare_stream()
1708 if (!p_rt->lane) in _sdw_deprepare_stream()
1711 bandwidth = m_rt->stream->params.rate * hweight32(p_rt->ch_mask) * in _sdw_deprepare_stream()
1712 m_rt->stream->params.bps; in _sdw_deprepare_stream()
1714 bus->lane_used_bandwidth[p_rt->lane] -= bandwidth; in _sdw_deprepare_stream()
1715 if (!bus->lane_used_bandwidth[p_rt->lane]) in _sdw_deprepare_stream()
1716 p_rt->lane = 0; in _sdw_deprepare_stream()
1718 /* TODO: Update this during Device-Device support */ in _sdw_deprepare_stream()
1719 bandwidth = m_rt->stream->params.rate * m_rt->ch_count * m_rt->stream->params.bps; in _sdw_deprepare_stream()
1720 bus->params.bandwidth -= bandwidth - multi_lane_bandwidth; in _sdw_deprepare_stream()
1723 if (bus->compute_params) { in _sdw_deprepare_stream()
1724 ret = bus->compute_params(bus, stream); in _sdw_deprepare_stream()
1726 dev_err(bus->dev, "Compute params failed: %d\n", in _sdw_deprepare_stream()
1728 stream->state = state; in _sdw_deprepare_stream()
1736 dev_err(bus->dev, "%s: Program params failed: %d\n", __func__, ret); in _sdw_deprepare_stream()
1737 stream->state = state; in _sdw_deprepare_stream()
1746 * sdw_deprepare_stream() - Deprepare SoundWire stream
1750 * Documentation/driver-api/soundwire/stream.rst explains this API in detail
1758 return -EINVAL; in sdw_deprepare_stream()
1763 if (stream->state == SDW_STREAM_DEPREPARED) { in sdw_deprepare_stream()
1768 if (stream->state != SDW_STREAM_PREPARED && in sdw_deprepare_stream()
1769 stream->state != SDW_STREAM_DISABLED) { in sdw_deprepare_stream()
1771 __func__, stream->name, stream->state); in sdw_deprepare_stream()
1772 ret = -EINVAL; in sdw_deprepare_stream()
1794 ret = snd_soc_dai_set_stream(dai, sdw_stream, substream->stream); in set_stream()
1796 dev_err(rtd->dev, "failed to set stream pointer on dai %s\n", dai->name); in set_stream()
1805 * sdw_alloc_stream() - Allocate and return stream runtime
1821 stream->name = stream_name; in sdw_alloc_stream()
1822 INIT_LIST_HEAD(&stream->master_list); in sdw_alloc_stream()
1823 stream->state = SDW_STREAM_ALLOCATED; in sdw_alloc_stream()
1824 stream->m_rt_count = 0; in sdw_alloc_stream()
1831 * sdw_startup_stream() - Startup SoundWire stream
1835 * Documentation/driver-api/soundwire/stream.rst explains this API in detail
1845 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in sdw_startup_stream()
1846 name = kasprintf(GFP_KERNEL, "%s-Playback", substream->name); in sdw_startup_stream()
1848 name = kasprintf(GFP_KERNEL, "%s-Capture", substream->name); in sdw_startup_stream()
1851 return -ENOMEM; in sdw_startup_stream()
1855 dev_err(rtd->dev, "alloc stream failed for substream DAI %s\n", substream->name); in sdw_startup_stream()
1856 ret = -ENOMEM; in sdw_startup_stream()
1875 * sdw_shutdown_stream() - Shutdown SoundWire stream
1879 * Documentation/driver-api/soundwire/stream.rst explains this API in detail
1891 sdw_stream = snd_soc_dai_get_stream(dai, substream->stream); in sdw_shutdown_stream()
1894 dev_err(rtd->dev, "no stream found for DAI %s\n", dai->name); in sdw_shutdown_stream()
1899 kfree(sdw_stream->name); in sdw_shutdown_stream()
1908 * sdw_release_stream() - Free the assigned stream runtime
1921 * sdw_stream_add_master() - Allocate and add master runtime to a stream
1939 mutex_lock(&bus->bus_lock); in sdw_stream_add_master()
1944 * Check if bus->multi_link is set in sdw_stream_add_master()
1946 if (!bus->multi_link && stream->m_rt_count > 0) { in sdw_stream_add_master()
1947 dev_err(bus->dev, in sdw_stream_add_master()
1948 "Multilink not supported, link %d\n", bus->link_id); in sdw_stream_add_master()
1949 ret = -EINVAL; in sdw_stream_add_master()
1961 dev_err(bus->dev, "%s: Master runtime alloc failed for stream:%s\n", in sdw_stream_add_master()
1962 __func__, stream->name); in sdw_stream_add_master()
1963 ret = -ENOMEM; in sdw_stream_add_master()
1975 stream->m_rt_count++; in sdw_stream_add_master()
1982 ret = sdw_config_stream(bus->dev, stream, stream_config, false); in sdw_stream_add_master()
1997 mutex_unlock(&bus->bus_lock); in sdw_stream_add_master()
2003 * sdw_stream_remove_master() - Remove master from sdw_stream
2015 mutex_lock(&bus->bus_lock); in sdw_stream_remove_master()
2018 &stream->master_list, stream_node) { in sdw_stream_remove_master()
2019 if (m_rt->bus != bus) in sdw_stream_remove_master()
2024 stream->m_rt_count--; in sdw_stream_remove_master()
2027 if (list_empty(&stream->master_list)) in sdw_stream_remove_master()
2028 stream->state = SDW_STREAM_RELEASED; in sdw_stream_remove_master()
2030 mutex_unlock(&bus->bus_lock); in sdw_stream_remove_master()
2037 * sdw_stream_add_slave() - Allocate and add master/slave runtime to a stream
2062 mutex_lock(&slave->bus->bus_lock); in sdw_stream_add_slave()
2068 m_rt = sdw_master_rt_find(slave->bus, stream); in sdw_stream_add_slave()
2074 m_rt = sdw_master_rt_alloc(slave->bus, stream); in sdw_stream_add_slave()
2076 dev_err(&slave->dev, "%s: Master runtime alloc failed for stream:%s\n", in sdw_stream_add_slave()
2077 __func__, stream->name); in sdw_stream_add_slave()
2078 ret = -ENOMEM; in sdw_stream_add_slave()
2089 dev_err(&slave->dev, "Slave runtime alloc failed for stream:%s\n", in sdw_stream_add_slave()
2090 stream->name); in sdw_stream_add_slave()
2091 ret = -ENOMEM; in sdw_stream_add_slave()
2112 ret = sdw_config_stream(&slave->dev, stream, stream_config, true); in sdw_stream_add_slave()
2126 stream->state = SDW_STREAM_CONFIGURED; in sdw_stream_add_slave()
2140 mutex_unlock(&slave->bus->bus_lock); in sdw_stream_add_slave()
2146 * sdw_stream_remove_slave() - Remove slave from sdw_stream
2156 mutex_lock(&slave->bus->bus_lock); in sdw_stream_remove_slave()
2161 mutex_unlock(&slave->bus->bus_lock); in sdw_stream_remove_slave()