Lines Matching full:cdns
203 static inline u32 cdns_readl(struct sdw_cdns *cdns, int offset) in cdns_readl() argument
205 return readl(cdns->registers + offset); in cdns_readl()
208 static inline void cdns_writel(struct sdw_cdns *cdns, int offset, u32 value) in cdns_writel() argument
210 writel(value, cdns->registers + offset); in cdns_writel()
213 static inline u32 cdns_ip_readl(struct sdw_cdns *cdns, int offset) in cdns_ip_readl() argument
215 return cdns_readl(cdns, cdns->ip_offset + offset); in cdns_ip_readl()
218 static inline void cdns_ip_writel(struct sdw_cdns *cdns, int offset, u32 value) in cdns_ip_writel() argument
220 return cdns_writel(cdns, cdns->ip_offset + offset, value); in cdns_ip_writel()
223 static inline void cdns_updatel(struct sdw_cdns *cdns, in cdns_updatel() argument
228 tmp = cdns_readl(cdns, offset); in cdns_updatel()
230 cdns_writel(cdns, offset, tmp); in cdns_updatel()
233 static inline void cdns_ip_updatel(struct sdw_cdns *cdns, in cdns_ip_updatel() argument
236 cdns_updatel(cdns, cdns->ip_offset + offset, mask, val); in cdns_ip_updatel()
239 static int cdns_set_wait(struct sdw_cdns *cdns, int offset, u32 mask, u32 value) in cdns_set_wait() argument
246 reg_read = readl(cdns->registers + offset); in cdns_set_wait()
257 static int cdns_clear_bit(struct sdw_cdns *cdns, int offset, u32 value) in cdns_clear_bit() argument
259 writel(value, cdns->registers + offset); in cdns_clear_bit()
262 return cdns_set_wait(cdns, offset, value, 0); in cdns_clear_bit()
269 static int cdns_config_update(struct sdw_cdns *cdns) in cdns_config_update() argument
273 if (sdw_cdns_is_clock_stop(cdns)) { in cdns_config_update()
274 dev_err(cdns->dev, "Cannot program MCP_CONFIG_UPDATE in ClockStopMode\n"); in cdns_config_update()
278 ret = cdns_clear_bit(cdns, CDNS_MCP_CONFIG_UPDATE, in cdns_config_update()
281 dev_err(cdns->dev, "Config update timedout\n"); in cdns_config_update()
288 * @cdns: Cadence instance
290 void sdw_cdns_config_update(struct sdw_cdns *cdns) in sdw_cdns_config_update() argument
293 cdns_writel(cdns, CDNS_MCP_CONFIG_UPDATE, CDNS_MCP_CONFIG_UPDATE_BIT); in sdw_cdns_config_update()
299 * @cdns: Cadence instance
301 int sdw_cdns_config_update_set_wait(struct sdw_cdns *cdns) in sdw_cdns_config_update_set_wait() argument
304 return cdns_set_wait(cdns, CDNS_MCP_CONFIG_UPDATE, in sdw_cdns_config_update_set_wait()
316 static ssize_t cdns_sprintf(struct sdw_cdns *cdns, in cdns_sprintf() argument
320 "%4x\t%8x\n", reg, cdns_readl(cdns, reg)); in cdns_sprintf()
325 struct sdw_cdns *cdns = s->private; in cdns_reg_show() local
339 ret += cdns_sprintf(cdns, buf, ret, i); in cdns_reg_show()
345 ret += cdns_sprintf(cdns, buf, ret, i); in cdns_reg_show()
349 ret += cdns_sprintf(cdns, buf, ret, CDNS_MCP_SSP_CTRL0); in cdns_reg_show()
350 ret += cdns_sprintf(cdns, buf, ret, CDNS_MCP_SSP_CTRL1); in cdns_reg_show()
351 ret += cdns_sprintf(cdns, buf, ret, CDNS_MCP_CLK_CTRL0); in cdns_reg_show()
352 ret += cdns_sprintf(cdns, buf, ret, CDNS_MCP_CLK_CTRL1); in cdns_reg_show()
357 num_ports = cdns->num_ports; in cdns_reg_show()
364 ret += cdns_sprintf(cdns, buf, ret, j); in cdns_reg_show()
375 ret += cdns_sprintf(cdns, buf, ret, j); in cdns_reg_show()
381 ret += cdns_sprintf(cdns, buf, ret, in cdns_reg_show()
389 ret += cdns_sprintf(cdns, buf, ret, CDNS_PDI_CONFIG(i)); in cdns_reg_show()
400 struct sdw_cdns *cdns = data; in cdns_hw_reset() local
409 ret = sdw_cdns_exit_reset(cdns); in cdns_hw_reset()
411 dev_dbg(cdns->dev, "link hw_reset done: %d\n", ret); in cdns_hw_reset()
420 struct sdw_cdns *cdns = data; in cdns_parity_error_injection() local
427 bus = &cdns->bus; in cdns_parity_error_injection()
435 dev_err_ratelimited(cdns->dev, in cdns_parity_error_injection()
454 cdns_ip_updatel(cdns, CDNS_IP_MCP_CMDCTRL, in cdns_parity_error_injection()
459 ret = cdns_clear_bit(cdns, CDNS_MCP_CONFIG_UPDATE, CDNS_MCP_CONFIG_UPDATE_BIT); in cdns_parity_error_injection()
464 ret = sdw_bread_no_pm_unlocked(&cdns->bus, 0xf, SDW_SCP_DEVID_0); in cdns_parity_error_injection()
465 dev_info(cdns->dev, "parity error injection, read: %d\n", ret); in cdns_parity_error_injection()
468 cdns_ip_updatel(cdns, CDNS_IP_MCP_CMDCTRL, in cdns_parity_error_injection()
473 ret = cdns_clear_bit(cdns, CDNS_MCP_CONFIG_UPDATE, CDNS_MCP_CONFIG_UPDATE_BIT); in cdns_parity_error_injection()
499 struct sdw_cdns *cdns = data; in cdns_set_pdi_loopback_source() local
500 unsigned int pdi_out_num = cdns->pcm.num_bd + cdns->pcm.num_out; in cdns_set_pdi_loopback_source()
508 cdns->pdi_loopback_source = value; in cdns_set_pdi_loopback_source()
516 struct sdw_cdns *cdns = data; in cdns_set_pdi_loopback_target() local
517 unsigned int pdi_in_num = cdns->pcm.num_bd + cdns->pcm.num_in; in cdns_set_pdi_loopback_target()
525 cdns->pdi_loopback_target = value; in cdns_set_pdi_loopback_target()
533 * @cdns: Cadence instance
536 void sdw_cdns_debugfs_init(struct sdw_cdns *cdns, struct dentry *root) in sdw_cdns_debugfs_init() argument
538 debugfs_create_file("cdns-registers", 0400, root, cdns, &cdns_reg_fops); in sdw_cdns_debugfs_init()
540 debugfs_create_file("cdns-hw-reset", 0200, root, cdns, in sdw_cdns_debugfs_init()
543 debugfs_create_file("cdns-parity-error-injection", 0200, root, cdns, in sdw_cdns_debugfs_init()
546 cdns->pdi_loopback_source = -1; in sdw_cdns_debugfs_init()
547 cdns->pdi_loopback_target = -1; in sdw_cdns_debugfs_init()
549 debugfs_create_file("cdns-pdi-loopback-source", 0200, root, cdns, in sdw_cdns_debugfs_init()
552 debugfs_create_file("cdns-pdi-loopback-target", 0200, root, cdns, in sdw_cdns_debugfs_init()
564 cdns_fill_msg_resp(struct sdw_cdns *cdns, in cdns_fill_msg_resp() argument
572 if (!(cdns->response_buf[i] & CDNS_MCP_RESP_ACK)) { in cdns_fill_msg_resp()
574 dev_vdbg(cdns->dev, "Msg Ack not received, cmd %d\n", i); in cdns_fill_msg_resp()
576 if (cdns->response_buf[i] & CDNS_MCP_RESP_NACK) { in cdns_fill_msg_resp()
578 dev_err_ratelimited(cdns->dev, "Msg NACK received, cmd %d\n", i); in cdns_fill_msg_resp()
583 dev_err_ratelimited(cdns->dev, "Msg NACKed for Slave %d\n", msg->dev_num); in cdns_fill_msg_resp()
588 dev_dbg_ratelimited(cdns->dev, "Msg ignored for Slave %d\n", msg->dev_num); in cdns_fill_msg_resp()
596 cdns->response_buf[i]); in cdns_fill_msg_resp()
602 static void cdns_read_response(struct sdw_cdns *cdns) in cdns_read_response() argument
608 BUILD_BUG_ON(ARRAY_SIZE(cdns->response_buf) < CDNS_MCP_CMD_LEN + 2); in cdns_read_response()
610 num_resp = cdns_readl(cdns, CDNS_MCP_FIFOSTAT); in cdns_read_response()
612 if (num_resp > ARRAY_SIZE(cdns->response_buf)) { in cdns_read_response()
613 dev_warn(cdns->dev, "RX AVAIL %d too long\n", num_resp); in cdns_read_response()
614 num_resp = ARRAY_SIZE(cdns->response_buf); in cdns_read_response()
620 cdns->response_buf[i] = cdns_ip_readl(cdns, cmd_base); in cdns_read_response()
626 _cdns_xfer_msg(struct sdw_cdns *cdns, struct sdw_msg *msg, int cmd, in _cdns_xfer_msg() argument
634 if (cdns->msg_count != count) { in _cdns_xfer_msg()
635 cdns_writel(cdns, CDNS_MCP_FIFOLEVEL, count); in _cdns_xfer_msg()
636 cdns->msg_count = count; in _cdns_xfer_msg()
652 cdns_ip_writel(cdns, base, data); in _cdns_xfer_msg()
660 time = wait_for_completion_timeout(&cdns->tx_complete, in _cdns_xfer_msg()
663 dev_err(cdns->dev, "IO transfer timed out, cmd %d device %d addr %x len %d\n", in _cdns_xfer_msg()
668 cdns_read_response(cdns); in _cdns_xfer_msg()
673 return cdns_fill_msg_resp(cdns, msg, count, offset); in _cdns_xfer_msg()
677 cdns_program_scp_addr(struct sdw_cdns *cdns, struct sdw_msg *msg) in cdns_program_scp_addr() argument
685 if (cdns->msg_count != CDNS_SCP_RX_FIFOLEVEL) { in cdns_program_scp_addr()
686 cdns_writel(cdns, CDNS_MCP_FIFOLEVEL, CDNS_SCP_RX_FIFOLEVEL); in cdns_program_scp_addr()
687 cdns->msg_count = CDNS_SCP_RX_FIFOLEVEL; in cdns_program_scp_addr()
701 cdns_ip_writel(cdns, base, data[0]); in cdns_program_scp_addr()
703 cdns_ip_writel(cdns, base, data[1]); in cdns_program_scp_addr()
705 time = wait_for_completion_timeout(&cdns->tx_complete, in cdns_program_scp_addr()
708 dev_err(cdns->dev, "SCP Msg trf timed out\n"); in cdns_program_scp_addr()
715 if (!(cdns->response_buf[i] & CDNS_MCP_RESP_ACK)) { in cdns_program_scp_addr()
717 dev_err(cdns->dev, "Program SCP Ack not received\n"); in cdns_program_scp_addr()
718 if (cdns->response_buf[i] & CDNS_MCP_RESP_NACK) { in cdns_program_scp_addr()
720 dev_err(cdns->dev, "Program SCP NACK received\n"); in cdns_program_scp_addr()
727 dev_err_ratelimited(cdns->dev, in cdns_program_scp_addr()
733 dev_dbg_ratelimited(cdns->dev, in cdns_program_scp_addr()
741 static int cdns_prep_msg(struct sdw_cdns *cdns, struct sdw_msg *msg, int *cmd) in cdns_prep_msg() argument
746 ret = cdns_program_scp_addr(cdns, msg); in cdns_prep_msg()
763 dev_err(cdns->dev, "Invalid msg cmd: %d\n", msg->flags); in cdns_prep_msg()
773 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_xfer_msg() local
776 ret = cdns_prep_msg(cdns, msg, &cmd); in cdns_xfer_msg()
781 ret = _cdns_xfer_msg(cdns, msg, cmd, i * CDNS_MCP_CMD_LEN, in cdns_xfer_msg()
790 return _cdns_xfer_msg(cdns, msg, cmd, i * CDNS_MCP_CMD_LEN, in cdns_xfer_msg()
798 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_xfer_msg_defer() local
807 ret = cdns_prep_msg(cdns, msg, &cmd); in cdns_xfer_msg_defer()
811 return _cdns_xfer_msg(cdns, msg, cmd, 0, msg->len, true); in cdns_xfer_msg_defer()
817 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_read_ping_status() local
819 return cdns_readl(cdns, CDNS_MCP_SLAVE_STAT); in cdns_read_ping_status()
827 static int cdns_update_slave_status(struct sdw_cdns *cdns, in cdns_update_slave_status() argument
873 val = cdns_readl(cdns, CDNS_MCP_SLAVE_STAT); in cdns_update_slave_status()
895 return sdw_handle_slave_status(&cdns->bus, status); in cdns_update_slave_status()
907 struct sdw_cdns *cdns = dev_id; in sdw_cdns_irq() local
911 if (!cdns->link_up) in sdw_cdns_irq()
914 int_status = cdns_readl(cdns, CDNS_MCP_INTSTAT); in sdw_cdns_irq()
924 struct sdw_bus *bus = &cdns->bus; in sdw_cdns_irq()
927 cdns_read_response(cdns); in sdw_cdns_irq()
930 cdns_fill_msg_resp(cdns, defer->msg, in sdw_cdns_irq()
934 complete(&cdns->tx_complete); in sdw_cdns_irq()
940 dev_err_ratelimited(cdns->dev, "Parity error\n"); in sdw_cdns_irq()
945 dev_err_ratelimited(cdns->dev, "Bus clash for control word\n"); in sdw_cdns_irq()
953 dev_err_ratelimited(cdns->dev, "Bus clash for data word\n"); in sdw_cdns_irq()
956 if (cdns->bus.params.m_data_mode != SDW_PORT_DATA_MODE_NORMAL && in sdw_cdns_irq()
961 port_intstat = cdns_readl(cdns, CDNS_MCP_PORT_INTSTAT); in sdw_cdns_irq()
962 dev_err_ratelimited(cdns->dev, "DP interrupt: PortIntStat %8x\n", in sdw_cdns_irq()
966 cdns_writel(cdns, CDNS_MCP_PORT_INTSTAT, port_intstat); in sdw_cdns_irq()
971 cdns_updatel(cdns, CDNS_MCP_INTMASK, in sdw_cdns_irq()
983 if (cdns->interrupt_enabled) in sdw_cdns_irq()
984 schedule_work(&cdns->work); in sdw_cdns_irq()
987 cdns_writel(cdns, CDNS_MCP_INTSTAT, int_status); in sdw_cdns_irq()
996 * @work: cdns worker thread
1000 struct sdw_cdns *cdns = in cdns_update_slave_status_work() local
1011 cdns_writel(cdns, CDNS_MCP_INTSTAT, CDNS_MCP_INT_SLAVE_MASK); in cdns_update_slave_status_work()
1013 slave0 = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT0); in cdns_update_slave_status_work()
1014 slave1 = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT1); in cdns_update_slave_status_work()
1020 cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT0, slave0); in cdns_update_slave_status_work()
1021 cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT1, slave1); in cdns_update_slave_status_work()
1026 dev_dbg_ratelimited(cdns->dev, "Slave status change: 0x%llx\n", slave_intstat); in cdns_update_slave_status_work()
1029 cdns_update_slave_status(cdns, slave_intstat); in cdns_update_slave_status_work()
1053 device0_status = cdns_readl(cdns, CDNS_MCP_SLAVE_STAT); in cdns_update_slave_status_work()
1058 dev_dbg_ratelimited(cdns->dev, in cdns_update_slave_status_work()
1064 dev_err_ratelimited(cdns->dev, in cdns_update_slave_status_work()
1071 cdns_updatel(cdns, CDNS_MCP_INTMASK, in cdns_update_slave_status_work()
1077 void sdw_cdns_check_self_clearing_bits(struct sdw_cdns *cdns, const char *string, in sdw_cdns_check_self_clearing_bits() argument
1088 ip_mcp_control = cdns_ip_readl(cdns, CDNS_IP_MCP_CONTROL); in sdw_cdns_check_self_clearing_bits()
1092 dev_err(cdns->dev, "%s failed: IP_MCP_CONTROL_SW_RST is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1094 mcp_control = cdns_readl(cdns, CDNS_MCP_CONTROL); in sdw_cdns_check_self_clearing_bits()
1098 dev_err(cdns->dev, "%s failed: MCP_CONTROL_CMD_RST is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1100 dev_err(cdns->dev, "%s failed: MCP_CONTROL_SOFT_RST is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1102 dev_err(cdns->dev, "%s failed: MCP_CONTROL_CLK_STOP_CLR is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1104 mcp_config_update = cdns_readl(cdns, CDNS_MCP_CONFIG_UPDATE); in sdw_cdns_check_self_clearing_bits()
1106 dev_err(cdns->dev, "%s failed: MCP_CONFIG_UPDATE_BIT is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1111 dev_err(cdns->dev, "%s failed: MCP_CONTROL_HW_RST is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1115 dev_dbg(cdns->dev, "%s: MCP_CONTROL_HW_RST is not cleared at iteration %d\n", string, i); in sdw_cdns_check_self_clearing_bits()
1119 mcp_control = cdns_readl(cdns, CDNS_MCP_CONTROL); in sdw_cdns_check_self_clearing_bits()
1131 * @cdns: Cadence instance
1133 int sdw_cdns_exit_reset(struct sdw_cdns *cdns) in sdw_cdns_exit_reset() argument
1138 cdns_updatel(cdns, CDNS_MCP_CONTROL, in sdw_cdns_exit_reset()
1143 return cdns_config_update(cdns); in sdw_cdns_exit_reset()
1149 * @cdns: Cadence instance
1152 static void cdns_enable_slave_interrupts(struct sdw_cdns *cdns, bool state) in cdns_enable_slave_interrupts() argument
1156 mask = cdns_readl(cdns, CDNS_MCP_INTMASK); in cdns_enable_slave_interrupts()
1162 cdns_writel(cdns, CDNS_MCP_INTMASK, mask); in cdns_enable_slave_interrupts()
1167 * @cdns: Cadence instance
1170 int sdw_cdns_enable_interrupt(struct sdw_cdns *cdns, bool state) in sdw_cdns_enable_interrupt() argument
1190 if (cdns->bus.params.m_data_mode != SDW_PORT_DATA_MODE_NORMAL) in sdw_cdns_enable_interrupt()
1210 slave_state = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT0); in sdw_cdns_enable_interrupt()
1211 cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT0, slave_state); in sdw_cdns_enable_interrupt()
1212 slave_state = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT1); in sdw_cdns_enable_interrupt()
1213 cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT1, slave_state); in sdw_cdns_enable_interrupt()
1215 cdns->interrupt_enabled = state; in sdw_cdns_enable_interrupt()
1227 cancel_work_sync(&cdns->work); in sdw_cdns_enable_interrupt()
1229 cdns_writel(cdns, CDNS_MCP_SLAVE_INTMASK0, slave_intmask0); in sdw_cdns_enable_interrupt()
1230 cdns_writel(cdns, CDNS_MCP_SLAVE_INTMASK1, slave_intmask1); in sdw_cdns_enable_interrupt()
1231 cdns_writel(cdns, CDNS_MCP_INTMASK, mask); in sdw_cdns_enable_interrupt()
1237 static int cdns_allocate_pdi(struct sdw_cdns *cdns, in cdns_allocate_pdi() argument
1247 pdi = devm_kcalloc(cdns->dev, num, sizeof(*pdi), GFP_KERNEL); in cdns_allocate_pdi()
1262 * @cdns: Cadence instance
1265 int sdw_cdns_pdi_init(struct sdw_cdns *cdns, in sdw_cdns_pdi_init() argument
1272 cdns->pcm.num_bd = config.pcm_bd; in sdw_cdns_pdi_init()
1273 cdns->pcm.num_in = config.pcm_in; in sdw_cdns_pdi_init()
1274 cdns->pcm.num_out = config.pcm_out; in sdw_cdns_pdi_init()
1277 stream = &cdns->pcm; in sdw_cdns_pdi_init()
1282 ret = cdns_allocate_pdi(cdns, &stream->bd, in sdw_cdns_pdi_init()
1289 ret = cdns_allocate_pdi(cdns, &stream->in, in sdw_cdns_pdi_init()
1296 ret = cdns_allocate_pdi(cdns, &stream->out, in sdw_cdns_pdi_init()
1303 cdns->num_ports = stream->num_pdi; in sdw_cdns_pdi_init()
1324 static void cdns_init_clock_ctrl(struct sdw_cdns *cdns) in cdns_init_clock_ctrl() argument
1326 struct sdw_bus *bus = &cdns->bus; in cdns_init_clock_ctrl()
1335 cdns_updatel(cdns, CDNS_MCP_CLK_CTRL0, in cdns_init_clock_ctrl()
1337 cdns_updatel(cdns, CDNS_MCP_CLK_CTRL1, in cdns_init_clock_ctrl()
1346 cdns_writel(cdns, CDNS_MCP_FRAME_SHAPE_INIT, val); in cdns_init_clock_ctrl()
1350 cdns_writel(cdns, CDNS_MCP_SSP_CTRL0, ssp_interval); in cdns_init_clock_ctrl()
1351 cdns_writel(cdns, CDNS_MCP_SSP_CTRL1, ssp_interval); in cdns_init_clock_ctrl()
1356 * @cdns: Cadence instance
1358 int sdw_cdns_init(struct sdw_cdns *cdns) in sdw_cdns_init() argument
1362 cdns_init_clock_ctrl(cdns); in sdw_cdns_init()
1364 sdw_cdns_check_self_clearing_bits(cdns, __func__, false, 0); in sdw_cdns_init()
1367 cdns->msg_count = cdns_readl(cdns, CDNS_MCP_FIFOLEVEL); in sdw_cdns_init()
1370 cdns_updatel(cdns, CDNS_MCP_CONTROL, CDNS_MCP_CONTROL_CMD_RST, in sdw_cdns_init()
1374 cdns_ip_updatel(cdns, CDNS_IP_MCP_CONTROL, CDNS_IP_MCP_CONTROL_CMD_ACCEPT, in sdw_cdns_init()
1378 val = cdns_readl(cdns, CDNS_MCP_CONFIG); in sdw_cdns_init()
1383 cdns_writel(cdns, CDNS_MCP_CONFIG, val); in sdw_cdns_init()
1386 val = cdns_ip_readl(cdns, CDNS_IP_MCP_CONFIG); in sdw_cdns_init()
1398 if (cdns->bus.multi_link) in sdw_cdns_init()
1406 cdns_ip_writel(cdns, CDNS_IP_MCP_CONFIG, val); in sdw_cdns_init()
1416 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_bus_conf() local
1421 dev_err(cdns->dev, "NULL curr_dr_freq\n"); in cdns_bus_conf()
1434 cdns_updatel(cdns, mcp_clkctrl_off, CDNS_MCP_CLK_MCLKD_MASK, divider); in cdns_bus_conf()
1443 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_port_params() local
1451 if (target_num == cdns->pdi_loopback_target && in cdns_port_params()
1452 cdns->pdi_loopback_source != -1) { in cdns_port_params()
1453 source_num = cdns->pdi_loopback_source; in cdns_port_params()
1465 dpn_config = cdns_readl(cdns, dpn_config_off_source); in cdns_port_params()
1474 cdns_writel(cdns, dpn_config_off_target, dpn_config); in cdns_port_params()
1483 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_transport_params() local
1500 if (target_num == cdns->pdi_loopback_target && in cdns_transport_params()
1501 cdns->pdi_loopback_source != -1) { in cdns_transport_params()
1502 source_num = cdns->pdi_loopback_source; in cdns_transport_params()
1534 dpn_config = cdns_readl(cdns, dpn_config_off_source); in cdns_transport_params()
1539 cdns_writel(cdns, dpn_config_off_target, dpn_config); in cdns_transport_params()
1546 dpn_offsetctrl = cdns_readl(cdns, dpn_offsetctrl_off_source); in cdns_transport_params()
1548 cdns_writel(cdns, dpn_offsetctrl_off_target, dpn_offsetctrl); in cdns_transport_params()
1556 dpn_hctrl = cdns_readl(cdns, dpn_hctrl_off_source); in cdns_transport_params()
1558 cdns_writel(cdns, dpn_hctrl_off_target, dpn_hctrl); in cdns_transport_params()
1563 dpn_samplectrl = cdns_readl(cdns, dpn_samplectrl_off_source); in cdns_transport_params()
1564 cdns_writel(cdns, dpn_samplectrl_off_target, dpn_samplectrl); in cdns_transport_params()
1572 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_port_enable() local
1581 cdns_writel(cdns, dpn_chnen_off, ch_mask); in cdns_port_enable()
1595 * @cdns: Cadence instance
1597 bool sdw_cdns_is_clock_stop(struct sdw_cdns *cdns) in sdw_cdns_is_clock_stop() argument
1599 return !!(cdns_readl(cdns, CDNS_MCP_STAT) & CDNS_MCP_STAT_CLK_STOP); in sdw_cdns_is_clock_stop()
1606 * @cdns: Cadence instance
1609 int sdw_cdns_clock_stop(struct sdw_cdns *cdns, bool block_wake) in sdw_cdns_clock_stop() argument
1615 sdw_cdns_check_self_clearing_bits(cdns, __func__, false, 0); in sdw_cdns_clock_stop()
1618 if (sdw_cdns_is_clock_stop(cdns)) { in sdw_cdns_clock_stop()
1619 dev_dbg(cdns->dev, "Clock is already stopped\n"); in sdw_cdns_clock_stop()
1628 cdns_enable_slave_interrupts(cdns, false); in sdw_cdns_clock_stop()
1636 cdns_ip_updatel(cdns, CDNS_IP_MCP_CONTROL, in sdw_cdns_clock_stop()
1640 list_for_each_entry(slave, &cdns->bus.slaves, node) { in sdw_cdns_clock_stop()
1649 ret = cdns_config_update(cdns); in sdw_cdns_clock_stop()
1651 dev_err(cdns->dev, "%s: config_update failed\n", __func__); in sdw_cdns_clock_stop()
1657 ret = sdw_bus_prep_clk_stop(&cdns->bus); in sdw_cdns_clock_stop()
1659 dev_err(cdns->dev, "prepare clock stop failed %d\n", ret); in sdw_cdns_clock_stop()
1668 ret = sdw_bus_clk_stop(&cdns->bus); in sdw_cdns_clock_stop()
1670 dev_err(cdns->dev, "bus clock stop failed %d\n", ret); in sdw_cdns_clock_stop()
1674 ret = cdns_set_wait(cdns, CDNS_MCP_STAT, in sdw_cdns_clock_stop()
1678 dev_err(cdns->dev, "Clock stop failed %d\n", ret); in sdw_cdns_clock_stop()
1687 * @cdns: Cadence instance
1691 int sdw_cdns_clock_restart(struct sdw_cdns *cdns, bool bus_reset) in sdw_cdns_clock_restart() argument
1696 cdns_enable_slave_interrupts(cdns, true); in sdw_cdns_clock_restart()
1698 ret = cdns_clear_bit(cdns, CDNS_MCP_CONTROL, in sdw_cdns_clock_restart()
1701 dev_err(cdns->dev, "Couldn't exit from clock stop\n"); in sdw_cdns_clock_restart()
1705 ret = cdns_set_wait(cdns, CDNS_MCP_STAT, CDNS_MCP_STAT_CLK_STOP, 0); in sdw_cdns_clock_restart()
1707 dev_err(cdns->dev, "clock stop exit failed %d\n", ret); in sdw_cdns_clock_restart()
1711 cdns_ip_updatel(cdns, CDNS_IP_MCP_CONTROL, in sdw_cdns_clock_restart()
1714 cdns_ip_updatel(cdns, CDNS_IP_MCP_CONTROL, CDNS_IP_MCP_CONTROL_CMD_ACCEPT, in sdw_cdns_clock_restart()
1720 cdns_ip_updatel(cdns, CDNS_IP_MCP_CONFIG, in sdw_cdns_clock_restart()
1724 ret = cdns_config_update(cdns); in sdw_cdns_clock_restart()
1726 dev_err(cdns->dev, "%s: config_update failed\n", __func__); in sdw_cdns_clock_restart()
1730 ret = sdw_bus_exit_clk_stop(&cdns->bus); in sdw_cdns_clock_restart()
1732 dev_err(cdns->dev, "bus failed to exit clock stop %d\n", ret); in sdw_cdns_clock_restart()
1741 * @cdns: Cadence instance
1743 int sdw_cdns_probe(struct sdw_cdns *cdns) in sdw_cdns_probe() argument
1745 init_completion(&cdns->tx_complete); in sdw_cdns_probe()
1746 cdns->bus.port_ops = &cdns_port_ops; in sdw_cdns_probe()
1748 INIT_WORK(&cdns->work, cdns_update_slave_status_work); in sdw_cdns_probe()
1756 struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai); in cdns_set_sdw_stream() local
1759 dai_runtime = cdns->dai_runtime_array[dai->id]; in cdns_set_sdw_stream()
1777 dai_runtime->bus = &cdns->bus; in cdns_set_sdw_stream()
1778 dai_runtime->link_id = cdns->instance; in cdns_set_sdw_stream()
1783 cdns->dai_runtime_array[dai->id] = dai_runtime; in cdns_set_sdw_stream()
1795 cdns->dai_runtime_array[dai->id] = NULL; in cdns_set_sdw_stream()
1804 * @cdns: Cadence instance
1813 static struct sdw_cdns_pdi *cdns_find_pdi(struct sdw_cdns *cdns, in cdns_find_pdi() argument
1831 * @cdns: Cadence instance
1836 void sdw_cdns_config_stream(struct sdw_cdns *cdns, in sdw_cdns_config_stream() argument
1844 if (cdns->bus.params.m_data_mode != SDW_PORT_DATA_MODE_NORMAL) in sdw_cdns_config_stream()
1848 cdns_updatel(cdns, offset, in sdw_cdns_config_stream()
1855 cdns_writel(cdns, CDNS_PDI_CONFIG(pdi->num), val); in sdw_cdns_config_stream()
1862 * @cdns: Cadence instance
1868 struct sdw_cdns_pdi *sdw_cdns_alloc_pdi(struct sdw_cdns *cdns, in sdw_cdns_alloc_pdi() argument
1875 pdi = cdns_find_pdi(cdns, 0, stream->num_in, stream->in, in sdw_cdns_alloc_pdi()
1878 pdi = cdns_find_pdi(cdns, 0, stream->num_out, stream->out, in sdw_cdns_alloc_pdi()
1883 pdi = cdns_find_pdi(cdns, 2, stream->num_bd, stream->bd, in sdw_cdns_alloc_pdi()