Lines Matching refs:cdns
198 static inline u32 cdns_readl(struct sdw_cdns *cdns, int offset) in cdns_readl() argument
200 return readl(cdns->registers + offset); in cdns_readl()
203 static inline void cdns_writel(struct sdw_cdns *cdns, int offset, u32 value) in cdns_writel() argument
205 writel(value, cdns->registers + offset); in cdns_writel()
208 static inline void cdns_updatel(struct sdw_cdns *cdns, in cdns_updatel() argument
213 tmp = cdns_readl(cdns, offset); in cdns_updatel()
215 cdns_writel(cdns, offset, tmp); in cdns_updatel()
218 static int cdns_set_wait(struct sdw_cdns *cdns, int offset, u32 mask, u32 value) in cdns_set_wait() argument
225 reg_read = readl(cdns->registers + offset); in cdns_set_wait()
236 static int cdns_clear_bit(struct sdw_cdns *cdns, int offset, u32 value) in cdns_clear_bit() argument
238 writel(value, cdns->registers + offset); in cdns_clear_bit()
241 return cdns_set_wait(cdns, offset, value, 0); in cdns_clear_bit()
248 static int cdns_config_update(struct sdw_cdns *cdns) in cdns_config_update() argument
252 if (sdw_cdns_is_clock_stop(cdns)) { in cdns_config_update()
253 dev_err(cdns->dev, "Cannot program MCP_CONFIG_UPDATE in ClockStopMode\n"); in cdns_config_update()
257 ret = cdns_clear_bit(cdns, CDNS_MCP_CONFIG_UPDATE, in cdns_config_update()
260 dev_err(cdns->dev, "Config update timedout\n"); in cdns_config_update()
272 static ssize_t cdns_sprintf(struct sdw_cdns *cdns, in cdns_sprintf() argument
276 "%4x\t%8x\n", reg, cdns_readl(cdns, reg)); in cdns_sprintf()
281 struct sdw_cdns *cdns = s->private; in cdns_reg_show() local
295 ret += cdns_sprintf(cdns, buf, ret, i); in cdns_reg_show()
301 ret += cdns_sprintf(cdns, buf, ret, i); in cdns_reg_show()
305 ret += cdns_sprintf(cdns, buf, ret, CDNS_MCP_SSP_CTRL0); in cdns_reg_show()
306 ret += cdns_sprintf(cdns, buf, ret, CDNS_MCP_SSP_CTRL1); in cdns_reg_show()
307 ret += cdns_sprintf(cdns, buf, ret, CDNS_MCP_CLK_CTRL0); in cdns_reg_show()
308 ret += cdns_sprintf(cdns, buf, ret, CDNS_MCP_CLK_CTRL1); in cdns_reg_show()
313 num_ports = cdns->num_ports; in cdns_reg_show()
320 ret += cdns_sprintf(cdns, buf, ret, j); in cdns_reg_show()
331 ret += cdns_sprintf(cdns, buf, ret, j); in cdns_reg_show()
337 ret += cdns_sprintf(cdns, buf, ret, in cdns_reg_show()
345 ret += cdns_sprintf(cdns, buf, ret, CDNS_PDI_CONFIG(i)); in cdns_reg_show()
356 struct sdw_cdns *cdns = data; in cdns_hw_reset() local
365 ret = sdw_cdns_exit_reset(cdns); in cdns_hw_reset()
367 dev_dbg(cdns->dev, "link hw_reset done: %d\n", ret); in cdns_hw_reset()
376 struct sdw_cdns *cdns = data; in cdns_parity_error_injection() local
383 bus = &cdns->bus; in cdns_parity_error_injection()
391 dev_err_ratelimited(cdns->dev, in cdns_parity_error_injection()
411 cdns_updatel(cdns, CDNS_MCP_CMDCTRL, in cdns_parity_error_injection()
416 cdns_updatel(cdns, CDNS_MCP_CONFIG_UPDATE, in cdns_parity_error_injection()
421 ret = sdw_bread_no_pm_unlocked(&cdns->bus, 0xf, SDW_SCP_DEVID_0); in cdns_parity_error_injection()
422 dev_info(cdns->dev, "parity error injection, read: %d\n", ret); in cdns_parity_error_injection()
425 cdns_updatel(cdns, CDNS_MCP_CMDCTRL, in cdns_parity_error_injection()
430 cdns_updatel(cdns, CDNS_MCP_CONFIG_UPDATE, in cdns_parity_error_injection()
455 struct sdw_cdns *cdns = data; in cdns_set_pdi_loopback_source() local
456 unsigned int pdi_out_num = cdns->pcm.num_bd + cdns->pcm.num_out; in cdns_set_pdi_loopback_source()
464 cdns->pdi_loopback_source = value; in cdns_set_pdi_loopback_source()
472 struct sdw_cdns *cdns = data; in cdns_set_pdi_loopback_target() local
473 unsigned int pdi_in_num = cdns->pcm.num_bd + cdns->pcm.num_in; in cdns_set_pdi_loopback_target()
481 cdns->pdi_loopback_target = value; in cdns_set_pdi_loopback_target()
492 void sdw_cdns_debugfs_init(struct sdw_cdns *cdns, struct dentry *root) in sdw_cdns_debugfs_init() argument
494 debugfs_create_file("cdns-registers", 0400, root, cdns, &cdns_reg_fops); in sdw_cdns_debugfs_init()
496 debugfs_create_file("cdns-hw-reset", 0200, root, cdns, in sdw_cdns_debugfs_init()
499 debugfs_create_file("cdns-parity-error-injection", 0200, root, cdns, in sdw_cdns_debugfs_init()
502 cdns->pdi_loopback_source = -1; in sdw_cdns_debugfs_init()
503 cdns->pdi_loopback_target = -1; in sdw_cdns_debugfs_init()
505 debugfs_create_file("cdns-pdi-loopback-source", 0200, root, cdns, in sdw_cdns_debugfs_init()
508 debugfs_create_file("cdns-pdi-loopback-target", 0200, root, cdns, in sdw_cdns_debugfs_init()
520 cdns_fill_msg_resp(struct sdw_cdns *cdns, in cdns_fill_msg_resp() argument
528 if (!(cdns->response_buf[i] & CDNS_MCP_RESP_ACK)) { in cdns_fill_msg_resp()
530 dev_vdbg(cdns->dev, "Msg Ack not received, cmd %d\n", i); in cdns_fill_msg_resp()
532 if (cdns->response_buf[i] & CDNS_MCP_RESP_NACK) { in cdns_fill_msg_resp()
534 dev_err_ratelimited(cdns->dev, "Msg NACK received, cmd %d\n", i); in cdns_fill_msg_resp()
539 dev_err_ratelimited(cdns->dev, "Msg NACKed for Slave %d\n", msg->dev_num); in cdns_fill_msg_resp()
544 dev_dbg_ratelimited(cdns->dev, "Msg ignored for Slave %d\n", msg->dev_num); in cdns_fill_msg_resp()
550 msg->buf[i + offset] = FIELD_GET(CDNS_MCP_RESP_RDATA, cdns->response_buf[i]); in cdns_fill_msg_resp()
556 _cdns_xfer_msg(struct sdw_cdns *cdns, struct sdw_msg *msg, int cmd, in _cdns_xfer_msg() argument
564 if (cdns->msg_count != count) { in _cdns_xfer_msg()
565 cdns_writel(cdns, CDNS_MCP_FIFOLEVEL, count); in _cdns_xfer_msg()
566 cdns->msg_count = count; in _cdns_xfer_msg()
582 cdns_writel(cdns, base, data); in _cdns_xfer_msg()
590 time = wait_for_completion_timeout(&cdns->tx_complete, in _cdns_xfer_msg()
593 dev_err(cdns->dev, "IO transfer timed out, cmd %d device %d addr %x len %d\n", in _cdns_xfer_msg()
599 return cdns_fill_msg_resp(cdns, msg, count, offset); in _cdns_xfer_msg()
603 cdns_program_scp_addr(struct sdw_cdns *cdns, struct sdw_msg *msg) in cdns_program_scp_addr() argument
611 if (cdns->msg_count != CDNS_SCP_RX_FIFOLEVEL) { in cdns_program_scp_addr()
612 cdns_writel(cdns, CDNS_MCP_FIFOLEVEL, CDNS_SCP_RX_FIFOLEVEL); in cdns_program_scp_addr()
613 cdns->msg_count = CDNS_SCP_RX_FIFOLEVEL; in cdns_program_scp_addr()
627 cdns_writel(cdns, base, data[0]); in cdns_program_scp_addr()
629 cdns_writel(cdns, base, data[1]); in cdns_program_scp_addr()
631 time = wait_for_completion_timeout(&cdns->tx_complete, in cdns_program_scp_addr()
634 dev_err(cdns->dev, "SCP Msg trf timed out\n"); in cdns_program_scp_addr()
641 if (!(cdns->response_buf[i] & CDNS_MCP_RESP_ACK)) { in cdns_program_scp_addr()
643 dev_err(cdns->dev, "Program SCP Ack not received\n"); in cdns_program_scp_addr()
644 if (cdns->response_buf[i] & CDNS_MCP_RESP_NACK) { in cdns_program_scp_addr()
646 dev_err(cdns->dev, "Program SCP NACK received\n"); in cdns_program_scp_addr()
653 dev_err_ratelimited(cdns->dev, in cdns_program_scp_addr()
659 dev_dbg_ratelimited(cdns->dev, in cdns_program_scp_addr()
667 static int cdns_prep_msg(struct sdw_cdns *cdns, struct sdw_msg *msg, int *cmd) in cdns_prep_msg() argument
672 ret = cdns_program_scp_addr(cdns, msg); in cdns_prep_msg()
689 dev_err(cdns->dev, "Invalid msg cmd: %d\n", msg->flags); in cdns_prep_msg()
699 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_xfer_msg() local
702 ret = cdns_prep_msg(cdns, msg, &cmd); in cdns_xfer_msg()
707 ret = _cdns_xfer_msg(cdns, msg, cmd, i * CDNS_MCP_CMD_LEN, in cdns_xfer_msg()
716 ret = _cdns_xfer_msg(cdns, msg, cmd, i * CDNS_MCP_CMD_LEN, in cdns_xfer_msg()
728 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_xfer_msg_defer() local
735 ret = cdns_prep_msg(cdns, msg, &cmd); in cdns_xfer_msg_defer()
739 cdns->defer = defer; in cdns_xfer_msg_defer()
740 cdns->defer->length = msg->len; in cdns_xfer_msg_defer()
742 return _cdns_xfer_msg(cdns, msg, cmd, 0, msg->len, true); in cdns_xfer_msg_defer()
749 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_reset_page_addr() local
756 return cdns_program_scp_addr(cdns, &msg); in cdns_reset_page_addr()
764 static void cdns_read_response(struct sdw_cdns *cdns) in cdns_read_response() argument
769 num_resp = cdns_readl(cdns, CDNS_MCP_FIFOSTAT); in cdns_read_response()
775 cdns->response_buf[i] = cdns_readl(cdns, cmd_base); in cdns_read_response()
780 static int cdns_update_slave_status(struct sdw_cdns *cdns, in cdns_update_slave_status() argument
823 dev_warn_ratelimited(cdns->dev, in cdns_update_slave_status()
828 val = cdns_readl(cdns, CDNS_MCP_SLAVE_STAT); in cdns_update_slave_status()
847 dev_warn_ratelimited(cdns->dev, in cdns_update_slave_status()
855 return sdw_handle_slave_status(&cdns->bus, status); in cdns_update_slave_status()
867 struct sdw_cdns *cdns = dev_id; in sdw_cdns_irq() local
871 if (!cdns->link_up) in sdw_cdns_irq()
874 int_status = cdns_readl(cdns, CDNS_MCP_INTSTAT); in sdw_cdns_irq()
884 cdns_read_response(cdns); in sdw_cdns_irq()
886 if (cdns->defer) { in sdw_cdns_irq()
887 cdns_fill_msg_resp(cdns, cdns->defer->msg, in sdw_cdns_irq()
888 cdns->defer->length, 0); in sdw_cdns_irq()
889 complete(&cdns->defer->complete); in sdw_cdns_irq()
890 cdns->defer = NULL; in sdw_cdns_irq()
892 complete(&cdns->tx_complete); in sdw_cdns_irq()
898 dev_err_ratelimited(cdns->dev, "Parity error\n"); in sdw_cdns_irq()
903 dev_err_ratelimited(cdns->dev, "Bus clash for control word\n"); in sdw_cdns_irq()
911 dev_err_ratelimited(cdns->dev, "Bus clash for data word\n"); in sdw_cdns_irq()
914 if (cdns->bus.params.m_data_mode != SDW_PORT_DATA_MODE_NORMAL && in sdw_cdns_irq()
919 port_intstat = cdns_readl(cdns, CDNS_MCP_PORT_INTSTAT); in sdw_cdns_irq()
920 dev_err_ratelimited(cdns->dev, "DP interrupt: PortIntStat %8x\n", in sdw_cdns_irq()
924 cdns_writel(cdns, CDNS_MCP_PORT_INTSTAT, port_intstat); in sdw_cdns_irq()
929 cdns_updatel(cdns, CDNS_MCP_INTMASK, in sdw_cdns_irq()
941 if (cdns->interrupt_enabled) in sdw_cdns_irq()
942 schedule_work(&cdns->work); in sdw_cdns_irq()
945 cdns_writel(cdns, CDNS_MCP_INTSTAT, int_status); in sdw_cdns_irq()
958 struct sdw_cdns *cdns = in cdns_update_slave_status_work() local
963 slave0 = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT0); in cdns_update_slave_status_work()
964 slave1 = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT1); in cdns_update_slave_status_work()
969 dev_dbg_ratelimited(cdns->dev, "Slave status change: 0x%llx\n", slave_intstat); in cdns_update_slave_status_work()
971 cdns_update_slave_status(cdns, slave_intstat); in cdns_update_slave_status_work()
972 cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT0, slave0); in cdns_update_slave_status_work()
973 cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT1, slave1); in cdns_update_slave_status_work()
976 cdns_writel(cdns, CDNS_MCP_INTSTAT, CDNS_MCP_INT_SLAVE_MASK); in cdns_update_slave_status_work()
977 cdns_updatel(cdns, CDNS_MCP_INTMASK, in cdns_update_slave_status_work()
983 void sdw_cdns_check_self_clearing_bits(struct sdw_cdns *cdns, const char *string, in sdw_cdns_check_self_clearing_bits() argument
993 mcp_control = cdns_readl(cdns, CDNS_MCP_CONTROL); in sdw_cdns_check_self_clearing_bits()
997 dev_err(cdns->dev, "%s failed: MCP_CONTROL_CMD_RST is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
999 dev_err(cdns->dev, "%s failed: MCP_CONTROL_SOFT_RST is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1001 dev_err(cdns->dev, "%s failed: MCP_CONTROL_SW_RST is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1003 dev_err(cdns->dev, "%s failed: MCP_CONTROL_CLK_STOP_CLR is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1004 mcp_config_update = cdns_readl(cdns, CDNS_MCP_CONFIG_UPDATE); in sdw_cdns_check_self_clearing_bits()
1006 dev_err(cdns->dev, "%s failed: MCP_CONFIG_UPDATE_BIT is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1011 dev_err(cdns->dev, "%s failed: MCP_CONTROL_HW_RST is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1015 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()
1019 mcp_control = cdns_readl(cdns, CDNS_MCP_CONTROL); in sdw_cdns_check_self_clearing_bits()
1033 int sdw_cdns_exit_reset(struct sdw_cdns *cdns) in sdw_cdns_exit_reset() argument
1038 cdns_updatel(cdns, CDNS_MCP_CONTROL, in sdw_cdns_exit_reset()
1043 cdns_updatel(cdns, CDNS_MCP_CONFIG_UPDATE, in sdw_cdns_exit_reset()
1058 static void cdns_enable_slave_interrupts(struct sdw_cdns *cdns, bool state) in cdns_enable_slave_interrupts() argument
1062 mask = cdns_readl(cdns, CDNS_MCP_INTMASK); in cdns_enable_slave_interrupts()
1068 cdns_writel(cdns, CDNS_MCP_INTMASK, mask); in cdns_enable_slave_interrupts()
1076 int sdw_cdns_enable_interrupt(struct sdw_cdns *cdns, bool state) in sdw_cdns_enable_interrupt() argument
1096 if (cdns->bus.params.m_data_mode != SDW_PORT_DATA_MODE_NORMAL) in sdw_cdns_enable_interrupt()
1116 slave_state = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT0); in sdw_cdns_enable_interrupt()
1117 cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT0, slave_state); in sdw_cdns_enable_interrupt()
1118 slave_state = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT1); in sdw_cdns_enable_interrupt()
1119 cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT1, slave_state); in sdw_cdns_enable_interrupt()
1121 cdns->interrupt_enabled = state; in sdw_cdns_enable_interrupt()
1133 cancel_work_sync(&cdns->work); in sdw_cdns_enable_interrupt()
1135 cdns_writel(cdns, CDNS_MCP_SLAVE_INTMASK0, slave_intmask0); in sdw_cdns_enable_interrupt()
1136 cdns_writel(cdns, CDNS_MCP_SLAVE_INTMASK1, slave_intmask1); in sdw_cdns_enable_interrupt()
1137 cdns_writel(cdns, CDNS_MCP_INTMASK, mask); in sdw_cdns_enable_interrupt()
1143 static int cdns_allocate_pdi(struct sdw_cdns *cdns, in cdns_allocate_pdi() argument
1153 pdi = devm_kcalloc(cdns->dev, num, sizeof(*pdi), GFP_KERNEL); in cdns_allocate_pdi()
1171 int sdw_cdns_pdi_init(struct sdw_cdns *cdns, in sdw_cdns_pdi_init() argument
1178 cdns->pcm.num_bd = config.pcm_bd; in sdw_cdns_pdi_init()
1179 cdns->pcm.num_in = config.pcm_in; in sdw_cdns_pdi_init()
1180 cdns->pcm.num_out = config.pcm_out; in sdw_cdns_pdi_init()
1181 cdns->pdm.num_bd = config.pdm_bd; in sdw_cdns_pdi_init()
1182 cdns->pdm.num_in = config.pdm_in; in sdw_cdns_pdi_init()
1183 cdns->pdm.num_out = config.pdm_out; in sdw_cdns_pdi_init()
1186 stream = &cdns->pcm; in sdw_cdns_pdi_init()
1191 ret = cdns_allocate_pdi(cdns, &stream->bd, in sdw_cdns_pdi_init()
1198 ret = cdns_allocate_pdi(cdns, &stream->in, in sdw_cdns_pdi_init()
1205 ret = cdns_allocate_pdi(cdns, &stream->out, in sdw_cdns_pdi_init()
1212 cdns->num_ports = stream->num_pdi; in sdw_cdns_pdi_init()
1215 stream = &cdns->pdm; in sdw_cdns_pdi_init()
1216 ret = cdns_allocate_pdi(cdns, &stream->bd, in sdw_cdns_pdi_init()
1223 ret = cdns_allocate_pdi(cdns, &stream->in, in sdw_cdns_pdi_init()
1230 ret = cdns_allocate_pdi(cdns, &stream->out, in sdw_cdns_pdi_init()
1238 cdns->num_ports += stream->num_pdi; in sdw_cdns_pdi_init()
1259 static void cdns_init_clock_ctrl(struct sdw_cdns *cdns) in cdns_init_clock_ctrl() argument
1261 struct sdw_bus *bus = &cdns->bus; in cdns_init_clock_ctrl()
1270 cdns_updatel(cdns, CDNS_MCP_CLK_CTRL0, in cdns_init_clock_ctrl()
1272 cdns_updatel(cdns, CDNS_MCP_CLK_CTRL1, in cdns_init_clock_ctrl()
1281 cdns_writel(cdns, CDNS_MCP_FRAME_SHAPE_INIT, val); in cdns_init_clock_ctrl()
1285 cdns_writel(cdns, CDNS_MCP_SSP_CTRL0, ssp_interval); in cdns_init_clock_ctrl()
1286 cdns_writel(cdns, CDNS_MCP_SSP_CTRL1, ssp_interval); in cdns_init_clock_ctrl()
1293 int sdw_cdns_init(struct sdw_cdns *cdns) in sdw_cdns_init() argument
1297 cdns_init_clock_ctrl(cdns); in sdw_cdns_init()
1299 sdw_cdns_check_self_clearing_bits(cdns, __func__, false, 0); in sdw_cdns_init()
1302 cdns->msg_count = cdns_readl(cdns, CDNS_MCP_FIFOLEVEL); in sdw_cdns_init()
1305 cdns_updatel(cdns, CDNS_MCP_CONTROL, CDNS_MCP_CONTROL_CMD_RST, in sdw_cdns_init()
1309 cdns_updatel(cdns, CDNS_MCP_CONTROL, CDNS_MCP_CONTROL_CMD_ACCEPT, in sdw_cdns_init()
1313 val = cdns_readl(cdns, CDNS_MCP_CONFIG); in sdw_cdns_init()
1328 if (cdns->bus.multi_link) in sdw_cdns_init()
1336 cdns_writel(cdns, CDNS_MCP_CONFIG, val); in sdw_cdns_init()
1346 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_bus_conf() local
1351 dev_err(cdns->dev, "NULL curr_dr_freq\n"); in cdns_bus_conf()
1364 cdns_updatel(cdns, mcp_clkctrl_off, CDNS_MCP_CLK_MCLKD_MASK, divider); in cdns_bus_conf()
1373 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_port_params() local
1381 if (target_num == cdns->pdi_loopback_target && in cdns_port_params()
1382 cdns->pdi_loopback_source != -1) { in cdns_port_params()
1383 source_num = cdns->pdi_loopback_source; in cdns_port_params()
1395 dpn_config = cdns_readl(cdns, dpn_config_off_source); in cdns_port_params()
1404 cdns_writel(cdns, dpn_config_off_target, dpn_config); in cdns_port_params()
1413 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_transport_params() local
1430 if (target_num == cdns->pdi_loopback_target && in cdns_transport_params()
1431 cdns->pdi_loopback_source != -1) { in cdns_transport_params()
1432 source_num = cdns->pdi_loopback_source; in cdns_transport_params()
1464 dpn_config = cdns_readl(cdns, dpn_config_off_source); in cdns_transport_params()
1469 cdns_writel(cdns, dpn_config_off_target, dpn_config); in cdns_transport_params()
1476 dpn_offsetctrl = cdns_readl(cdns, dpn_offsetctrl_off_source); in cdns_transport_params()
1478 cdns_writel(cdns, dpn_offsetctrl_off_target, dpn_offsetctrl); in cdns_transport_params()
1486 dpn_hctrl = cdns_readl(cdns, dpn_hctrl_off_source); in cdns_transport_params()
1488 cdns_writel(cdns, dpn_hctrl_off_target, dpn_hctrl); in cdns_transport_params()
1493 dpn_samplectrl = cdns_readl(cdns, dpn_samplectrl_off_source); in cdns_transport_params()
1494 cdns_writel(cdns, dpn_samplectrl_off_target, dpn_samplectrl); in cdns_transport_params()
1502 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_port_enable() local
1511 cdns_writel(cdns, dpn_chnen_off, ch_mask); in cdns_port_enable()
1527 bool sdw_cdns_is_clock_stop(struct sdw_cdns *cdns) in sdw_cdns_is_clock_stop() argument
1529 return !!(cdns_readl(cdns, CDNS_MCP_STAT) & CDNS_MCP_STAT_CLK_STOP); in sdw_cdns_is_clock_stop()
1539 int sdw_cdns_clock_stop(struct sdw_cdns *cdns, bool block_wake) in sdw_cdns_clock_stop() argument
1545 sdw_cdns_check_self_clearing_bits(cdns, __func__, false, 0); in sdw_cdns_clock_stop()
1548 if (sdw_cdns_is_clock_stop(cdns)) { in sdw_cdns_clock_stop()
1549 dev_dbg(cdns->dev, "Clock is already stopped\n"); in sdw_cdns_clock_stop()
1558 cdns_enable_slave_interrupts(cdns, false); in sdw_cdns_clock_stop()
1566 cdns_updatel(cdns, CDNS_MCP_CONTROL, in sdw_cdns_clock_stop()
1570 list_for_each_entry(slave, &cdns->bus.slaves, node) { in sdw_cdns_clock_stop()
1579 ret = cdns_config_update(cdns); in sdw_cdns_clock_stop()
1581 dev_err(cdns->dev, "%s: config_update failed\n", __func__); in sdw_cdns_clock_stop()
1587 ret = sdw_bus_prep_clk_stop(&cdns->bus); in sdw_cdns_clock_stop()
1589 dev_err(cdns->dev, "prepare clock stop failed %d\n", ret); in sdw_cdns_clock_stop()
1598 ret = sdw_bus_clk_stop(&cdns->bus); in sdw_cdns_clock_stop()
1600 dev_err(cdns->dev, "bus clock stop failed %d\n", ret); in sdw_cdns_clock_stop()
1604 ret = cdns_set_wait(cdns, CDNS_MCP_STAT, in sdw_cdns_clock_stop()
1608 dev_err(cdns->dev, "Clock stop failed %d\n", ret); in sdw_cdns_clock_stop()
1621 int sdw_cdns_clock_restart(struct sdw_cdns *cdns, bool bus_reset) in sdw_cdns_clock_restart() argument
1626 cdns_enable_slave_interrupts(cdns, true); in sdw_cdns_clock_restart()
1628 ret = cdns_clear_bit(cdns, CDNS_MCP_CONTROL, in sdw_cdns_clock_restart()
1631 dev_err(cdns->dev, "Couldn't exit from clock stop\n"); in sdw_cdns_clock_restart()
1635 ret = cdns_set_wait(cdns, CDNS_MCP_STAT, CDNS_MCP_STAT_CLK_STOP, 0); in sdw_cdns_clock_restart()
1637 dev_err(cdns->dev, "clock stop exit failed %d\n", ret); in sdw_cdns_clock_restart()
1641 cdns_updatel(cdns, CDNS_MCP_CONTROL, in sdw_cdns_clock_restart()
1644 cdns_updatel(cdns, CDNS_MCP_CONTROL, CDNS_MCP_CONTROL_CMD_ACCEPT, in sdw_cdns_clock_restart()
1650 cdns_updatel(cdns, CDNS_MCP_CONFIG, in sdw_cdns_clock_restart()
1654 ret = cdns_config_update(cdns); in sdw_cdns_clock_restart()
1656 dev_err(cdns->dev, "%s: config_update failed\n", __func__); in sdw_cdns_clock_restart()
1660 ret = sdw_bus_exit_clk_stop(&cdns->bus); in sdw_cdns_clock_restart()
1662 dev_err(cdns->dev, "bus failed to exit clock stop %d\n", ret); in sdw_cdns_clock_restart()
1673 int sdw_cdns_probe(struct sdw_cdns *cdns) in sdw_cdns_probe() argument
1675 init_completion(&cdns->tx_complete); in sdw_cdns_probe()
1676 cdns->bus.port_ops = &cdns_port_ops; in sdw_cdns_probe()
1678 INIT_WORK(&cdns->work, cdns_update_slave_status_work); in sdw_cdns_probe()
1686 struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai); in cdns_set_sdw_stream() local
1713 dma->bus = &cdns->bus; in cdns_set_sdw_stream()
1714 dma->link_id = cdns->instance; in cdns_set_sdw_stream()
1748 static struct sdw_cdns_pdi *cdns_find_pdi(struct sdw_cdns *cdns, in cdns_find_pdi() argument
1771 void sdw_cdns_config_stream(struct sdw_cdns *cdns, in sdw_cdns_config_stream() argument
1779 if (cdns->bus.params.m_data_mode != SDW_PORT_DATA_MODE_NORMAL) in sdw_cdns_config_stream()
1783 cdns_updatel(cdns, offset, in sdw_cdns_config_stream()
1790 cdns_writel(cdns, CDNS_PDI_CONFIG(pdi->num), val); in sdw_cdns_config_stream()
1803 struct sdw_cdns_pdi *sdw_cdns_alloc_pdi(struct sdw_cdns *cdns, in sdw_cdns_alloc_pdi() argument
1810 pdi = cdns_find_pdi(cdns, 0, stream->num_in, stream->in, in sdw_cdns_alloc_pdi()
1813 pdi = cdns_find_pdi(cdns, 0, stream->num_out, stream->out, in sdw_cdns_alloc_pdi()
1818 pdi = cdns_find_pdi(cdns, 2, stream->num_bd, stream->bd, in sdw_cdns_alloc_pdi()