Lines Matching full:cdns
206 static inline u32 cdns_readl(struct sdw_cdns *cdns, int offset) in cdns_readl() argument
208 return readl(cdns->registers + offset); in cdns_readl()
211 static inline void cdns_writel(struct sdw_cdns *cdns, int offset, u32 value) in cdns_writel() argument
213 writel(value, cdns->registers + offset); in cdns_writel()
216 static inline u32 cdns_ip_readl(struct sdw_cdns *cdns, int offset) in cdns_ip_readl() argument
218 return cdns_readl(cdns, cdns->ip_offset + offset); in cdns_ip_readl()
221 static inline void cdns_ip_writel(struct sdw_cdns *cdns, int offset, u32 value) in cdns_ip_writel() argument
223 return cdns_writel(cdns, cdns->ip_offset + offset, value); in cdns_ip_writel()
226 static inline void cdns_updatel(struct sdw_cdns *cdns, in cdns_updatel() argument
231 tmp = cdns_readl(cdns, offset); in cdns_updatel()
233 cdns_writel(cdns, offset, tmp); in cdns_updatel()
236 static inline void cdns_ip_updatel(struct sdw_cdns *cdns, in cdns_ip_updatel() argument
239 cdns_updatel(cdns, cdns->ip_offset + offset, mask, val); in cdns_ip_updatel()
242 static int cdns_set_wait(struct sdw_cdns *cdns, int offset, u32 mask, u32 value) in cdns_set_wait() argument
249 reg_read = readl(cdns->registers + offset); in cdns_set_wait()
260 static int cdns_clear_bit(struct sdw_cdns *cdns, int offset, u32 value) in cdns_clear_bit() argument
262 writel(value, cdns->registers + offset); in cdns_clear_bit()
265 return cdns_set_wait(cdns, offset, value, 0); in cdns_clear_bit()
272 static int cdns_config_update(struct sdw_cdns *cdns) in cdns_config_update() argument
276 if (sdw_cdns_is_clock_stop(cdns)) { in cdns_config_update()
277 dev_err(cdns->dev, "Cannot program MCP_CONFIG_UPDATE in ClockStopMode\n"); in cdns_config_update()
281 ret = cdns_clear_bit(cdns, CDNS_MCP_CONFIG_UPDATE, in cdns_config_update()
284 dev_err(cdns->dev, "Config update timedout\n"); in cdns_config_update()
291 * @cdns: Cadence instance
293 void sdw_cdns_config_update(struct sdw_cdns *cdns) in sdw_cdns_config_update() argument
296 cdns_writel(cdns, CDNS_MCP_CONFIG_UPDATE, CDNS_MCP_CONFIG_UPDATE_BIT); in sdw_cdns_config_update()
302 * @cdns: Cadence instance
304 int sdw_cdns_config_update_set_wait(struct sdw_cdns *cdns) in sdw_cdns_config_update_set_wait() argument
307 return cdns_set_wait(cdns, CDNS_MCP_CONFIG_UPDATE, in sdw_cdns_config_update_set_wait()
319 static ssize_t cdns_sprintf(struct sdw_cdns *cdns, in cdns_sprintf() argument
323 "%4x\t%8x\n", reg, cdns_readl(cdns, reg)); in cdns_sprintf()
328 struct sdw_cdns *cdns = s->private; in cdns_reg_show() local
341 ret += cdns_sprintf(cdns, buf, ret, i); in cdns_reg_show()
347 ret += cdns_sprintf(cdns, buf, ret, i); in cdns_reg_show()
351 ret += cdns_sprintf(cdns, buf, ret, CDNS_MCP_SSP_CTRL0); in cdns_reg_show()
352 ret += cdns_sprintf(cdns, buf, ret, CDNS_MCP_SSP_CTRL1); in cdns_reg_show()
353 ret += cdns_sprintf(cdns, buf, ret, CDNS_MCP_CLK_CTRL0); in cdns_reg_show()
354 ret += cdns_sprintf(cdns, buf, ret, CDNS_MCP_CLK_CTRL1); in cdns_reg_show()
359 num_ports = cdns->num_ports; in cdns_reg_show()
366 ret += cdns_sprintf(cdns, buf, ret, j); in cdns_reg_show()
377 ret += cdns_sprintf(cdns, buf, ret, j); in cdns_reg_show()
383 ret += cdns_sprintf(cdns, buf, ret, in cdns_reg_show()
391 ret += cdns_sprintf(cdns, buf, ret, CDNS_PDI_CONFIG(i)); in cdns_reg_show()
401 struct sdw_cdns *cdns = data; in cdns_hw_reset() local
410 ret = sdw_cdns_exit_reset(cdns); in cdns_hw_reset()
412 dev_dbg(cdns->dev, "link hw_reset done: %d\n", ret); in cdns_hw_reset()
421 struct sdw_cdns *cdns = data; in cdns_parity_error_injection() local
428 bus = &cdns->bus; in cdns_parity_error_injection()
436 dev_err_ratelimited(cdns->dev, in cdns_parity_error_injection()
455 cdns_ip_updatel(cdns, CDNS_IP_MCP_CMDCTRL, in cdns_parity_error_injection()
460 ret = cdns_clear_bit(cdns, CDNS_MCP_CONFIG_UPDATE, CDNS_MCP_CONFIG_UPDATE_BIT); in cdns_parity_error_injection()
465 ret = sdw_bread_no_pm_unlocked(&cdns->bus, 0xf, SDW_SCP_DEVID_0); in cdns_parity_error_injection()
466 dev_info(cdns->dev, "parity error injection, read: %d\n", ret); in cdns_parity_error_injection()
469 cdns_ip_updatel(cdns, CDNS_IP_MCP_CMDCTRL, in cdns_parity_error_injection()
474 ret = cdns_clear_bit(cdns, CDNS_MCP_CONFIG_UPDATE, CDNS_MCP_CONFIG_UPDATE_BIT); in cdns_parity_error_injection()
500 struct sdw_cdns *cdns = data; in cdns_set_pdi_loopback_source() local
501 unsigned int pdi_out_num = cdns->pcm.num_bd + cdns->pcm.num_out; in cdns_set_pdi_loopback_source()
509 cdns->pdi_loopback_source = value; in cdns_set_pdi_loopback_source()
517 struct sdw_cdns *cdns = data; in cdns_set_pdi_loopback_target() local
518 unsigned int pdi_in_num = cdns->pcm.num_bd + cdns->pcm.num_in; in cdns_set_pdi_loopback_target()
526 cdns->pdi_loopback_target = value; in cdns_set_pdi_loopback_target()
534 * @cdns: Cadence instance
537 void sdw_cdns_debugfs_init(struct sdw_cdns *cdns, struct dentry *root) in sdw_cdns_debugfs_init() argument
539 debugfs_create_file("cdns-registers", 0400, root, cdns, &cdns_reg_fops); in sdw_cdns_debugfs_init()
541 debugfs_create_file("cdns-hw-reset", 0200, root, cdns, in sdw_cdns_debugfs_init()
544 debugfs_create_file("cdns-parity-error-injection", 0200, root, cdns, in sdw_cdns_debugfs_init()
547 cdns->pdi_loopback_source = -1; in sdw_cdns_debugfs_init()
548 cdns->pdi_loopback_target = -1; in sdw_cdns_debugfs_init()
550 debugfs_create_file("cdns-pdi-loopback-source", 0200, root, cdns, in sdw_cdns_debugfs_init()
553 debugfs_create_file("cdns-pdi-loopback-target", 0200, root, cdns, in sdw_cdns_debugfs_init()
565 cdns_fill_msg_resp(struct sdw_cdns *cdns, in cdns_fill_msg_resp() argument
573 if (!(cdns->response_buf[i] & CDNS_MCP_RESP_ACK)) { in cdns_fill_msg_resp()
575 dev_vdbg(cdns->dev, "Msg Ack not received, cmd %d\n", i); in cdns_fill_msg_resp()
577 if (cdns->response_buf[i] & CDNS_MCP_RESP_NACK) { in cdns_fill_msg_resp()
579 dev_err_ratelimited(cdns->dev, "Msg NACK received, cmd %d\n", i); in cdns_fill_msg_resp()
584 dev_err_ratelimited(cdns->dev, "Msg NACKed for Slave %d\n", msg->dev_num); in cdns_fill_msg_resp()
589 dev_dbg_ratelimited(cdns->dev, "Msg ignored for Slave %d\n", msg->dev_num); in cdns_fill_msg_resp()
597 cdns->response_buf[i]); in cdns_fill_msg_resp()
603 static void cdns_read_response(struct sdw_cdns *cdns) in cdns_read_response() argument
609 BUILD_BUG_ON(ARRAY_SIZE(cdns->response_buf) < CDNS_MCP_CMD_LEN + 2); in cdns_read_response()
611 num_resp = cdns_readl(cdns, CDNS_MCP_FIFOSTAT); in cdns_read_response()
613 if (num_resp > ARRAY_SIZE(cdns->response_buf)) { in cdns_read_response()
614 dev_warn(cdns->dev, "RX AVAIL %d too long\n", num_resp); in cdns_read_response()
615 num_resp = ARRAY_SIZE(cdns->response_buf); in cdns_read_response()
621 cdns->response_buf[i] = cdns_ip_readl(cdns, cmd_base); in cdns_read_response()
627 _cdns_xfer_msg(struct sdw_cdns *cdns, struct sdw_msg *msg, int cmd, in _cdns_xfer_msg() argument
635 if (cdns->msg_count != count) { in _cdns_xfer_msg()
636 cdns_writel(cdns, CDNS_MCP_FIFOLEVEL, count); in _cdns_xfer_msg()
637 cdns->msg_count = count; in _cdns_xfer_msg()
653 cdns_ip_writel(cdns, base, data); in _cdns_xfer_msg()
661 time = wait_for_completion_timeout(&cdns->tx_complete, in _cdns_xfer_msg()
664 dev_err(cdns->dev, "IO transfer timed out, cmd %d device %d addr %x len %d\n", in _cdns_xfer_msg()
669 cdns_read_response(cdns); in _cdns_xfer_msg()
674 return cdns_fill_msg_resp(cdns, msg, count, offset); in _cdns_xfer_msg()
678 cdns_program_scp_addr(struct sdw_cdns *cdns, struct sdw_msg *msg) in cdns_program_scp_addr() argument
686 if (cdns->msg_count != CDNS_SCP_RX_FIFOLEVEL) { in cdns_program_scp_addr()
687 cdns_writel(cdns, CDNS_MCP_FIFOLEVEL, CDNS_SCP_RX_FIFOLEVEL); in cdns_program_scp_addr()
688 cdns->msg_count = CDNS_SCP_RX_FIFOLEVEL; in cdns_program_scp_addr()
702 cdns_ip_writel(cdns, base, data[0]); in cdns_program_scp_addr()
704 cdns_ip_writel(cdns, base, data[1]); in cdns_program_scp_addr()
706 time = wait_for_completion_timeout(&cdns->tx_complete, in cdns_program_scp_addr()
709 dev_err(cdns->dev, "SCP Msg trf timed out\n"); in cdns_program_scp_addr()
716 if (!(cdns->response_buf[i] & CDNS_MCP_RESP_ACK)) { in cdns_program_scp_addr()
718 dev_err(cdns->dev, "Program SCP Ack not received\n"); in cdns_program_scp_addr()
719 if (cdns->response_buf[i] & CDNS_MCP_RESP_NACK) { in cdns_program_scp_addr()
721 dev_err(cdns->dev, "Program SCP NACK received\n"); in cdns_program_scp_addr()
728 dev_err_ratelimited(cdns->dev, in cdns_program_scp_addr()
734 dev_dbg_ratelimited(cdns->dev, in cdns_program_scp_addr()
742 static int cdns_prep_msg(struct sdw_cdns *cdns, struct sdw_msg *msg, int *cmd) in cdns_prep_msg() argument
747 ret = cdns_program_scp_addr(cdns, msg); in cdns_prep_msg()
764 dev_err(cdns->dev, "Invalid msg cmd: %d\n", msg->flags); in cdns_prep_msg()
774 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_xfer_msg() local
777 ret = cdns_prep_msg(cdns, msg, &cmd); in cdns_xfer_msg()
782 ret = _cdns_xfer_msg(cdns, msg, cmd, i * CDNS_MCP_CMD_LEN, in cdns_xfer_msg()
791 return _cdns_xfer_msg(cdns, msg, cmd, i * CDNS_MCP_CMD_LEN, in cdns_xfer_msg()
799 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_xfer_msg_defer() local
808 ret = cdns_prep_msg(cdns, msg, &cmd); in cdns_xfer_msg_defer()
812 return _cdns_xfer_msg(cdns, msg, cmd, 0, msg->len, true); in cdns_xfer_msg_defer()
818 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_read_ping_status() local
820 return cdns_readl(cdns, CDNS_MCP_SLAVE_STAT); in cdns_read_ping_status()
828 static int cdns_update_slave_status(struct sdw_cdns *cdns, in cdns_update_slave_status() argument
874 val = cdns_readl(cdns, CDNS_MCP_SLAVE_STAT); in cdns_update_slave_status()
898 mutex_lock(&cdns->status_update_lock); in cdns_update_slave_status()
899 ret = sdw_handle_slave_status(&cdns->bus, status); in cdns_update_slave_status()
900 mutex_unlock(&cdns->status_update_lock); in cdns_update_slave_status()
914 struct sdw_cdns *cdns = dev_id; in sdw_cdns_irq() local
918 if (!cdns->link_up) in sdw_cdns_irq()
921 int_status = cdns_readl(cdns, CDNS_MCP_INTSTAT); in sdw_cdns_irq()
931 struct sdw_bus *bus = &cdns->bus; in sdw_cdns_irq()
934 cdns_read_response(cdns); in sdw_cdns_irq()
937 cdns_fill_msg_resp(cdns, defer->msg, in sdw_cdns_irq()
941 complete(&cdns->tx_complete); in sdw_cdns_irq()
947 dev_err_ratelimited(cdns->dev, "Parity error\n"); in sdw_cdns_irq()
952 dev_err_ratelimited(cdns->dev, "Bus clash for control word\n"); in sdw_cdns_irq()
960 dev_err_ratelimited(cdns->dev, "Bus clash for data word\n"); in sdw_cdns_irq()
963 if (cdns->bus.params.m_data_mode != SDW_PORT_DATA_MODE_NORMAL && in sdw_cdns_irq()
968 port_intstat = cdns_readl(cdns, CDNS_MCP_PORT_INTSTAT); in sdw_cdns_irq()
969 dev_err_ratelimited(cdns->dev, "DP interrupt: PortIntStat %8x\n", in sdw_cdns_irq()
973 cdns_writel(cdns, CDNS_MCP_PORT_INTSTAT, port_intstat); in sdw_cdns_irq()
978 cdns_updatel(cdns, CDNS_MCP_INTMASK, in sdw_cdns_irq()
990 if (cdns->interrupt_enabled) in sdw_cdns_irq()
991 schedule_work(&cdns->work); in sdw_cdns_irq()
994 cdns_writel(cdns, CDNS_MCP_INTSTAT, int_status); in sdw_cdns_irq()
1001 struct sdw_cdns *cdns = in cdns_check_attached_status_dwork() local
1008 val = cdns_readl(cdns, CDNS_MCP_SLAVE_STAT); in cdns_check_attached_status_dwork()
1013 dev_dbg(cdns->dev, "Peripheral %d status: %d\n", i, status[i]); in cdns_check_attached_status_dwork()
1017 mutex_lock(&cdns->status_update_lock); in cdns_check_attached_status_dwork()
1018 ret = sdw_handle_slave_status(&cdns->bus, status); in cdns_check_attached_status_dwork()
1019 mutex_unlock(&cdns->status_update_lock); in cdns_check_attached_status_dwork()
1021 dev_err(cdns->dev, "%s: sdw_handle_slave_status failed: %d\n", __func__, ret); in cdns_check_attached_status_dwork()
1028 * @work: cdns worker thread
1032 struct sdw_cdns *cdns = in cdns_update_slave_status_work() local
1043 cdns_writel(cdns, CDNS_MCP_INTSTAT, CDNS_MCP_INT_SLAVE_MASK); in cdns_update_slave_status_work()
1045 slave0 = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT0); in cdns_update_slave_status_work()
1046 slave1 = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT1); in cdns_update_slave_status_work()
1052 cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT0, slave0); in cdns_update_slave_status_work()
1053 cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT1, slave1); in cdns_update_slave_status_work()
1058 dev_dbg_ratelimited(cdns->dev, "Slave status change: 0x%llx\n", slave_intstat); in cdns_update_slave_status_work()
1061 cdns_update_slave_status(cdns, slave_intstat); in cdns_update_slave_status_work()
1085 device0_status = cdns_readl(cdns, CDNS_MCP_SLAVE_STAT); in cdns_update_slave_status_work()
1090 dev_dbg_ratelimited(cdns->dev, in cdns_update_slave_status_work()
1096 dev_err_ratelimited(cdns->dev, in cdns_update_slave_status_work()
1103 cdns_updatel(cdns, CDNS_MCP_INTMASK, in cdns_update_slave_status_work()
1109 void sdw_cdns_check_self_clearing_bits(struct sdw_cdns *cdns, const char *string, in sdw_cdns_check_self_clearing_bits() argument
1120 ip_mcp_control = cdns_ip_readl(cdns, CDNS_IP_MCP_CONTROL); in sdw_cdns_check_self_clearing_bits()
1124 dev_err(cdns->dev, "%s failed: IP_MCP_CONTROL_SW_RST is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1126 mcp_control = cdns_readl(cdns, CDNS_MCP_CONTROL); in sdw_cdns_check_self_clearing_bits()
1130 dev_err(cdns->dev, "%s failed: MCP_CONTROL_CMD_RST is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1132 dev_err(cdns->dev, "%s failed: MCP_CONTROL_SOFT_RST is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1134 dev_err(cdns->dev, "%s failed: MCP_CONTROL_CLK_STOP_CLR is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1136 mcp_config_update = cdns_readl(cdns, CDNS_MCP_CONFIG_UPDATE); in sdw_cdns_check_self_clearing_bits()
1138 dev_err(cdns->dev, "%s failed: MCP_CONFIG_UPDATE_BIT is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1143 dev_err(cdns->dev, "%s failed: MCP_CONTROL_HW_RST is not cleared\n", string); in sdw_cdns_check_self_clearing_bits()
1147 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()
1151 mcp_control = cdns_readl(cdns, CDNS_MCP_CONTROL); in sdw_cdns_check_self_clearing_bits()
1163 * @cdns: Cadence instance
1165 int sdw_cdns_exit_reset(struct sdw_cdns *cdns) in sdw_cdns_exit_reset() argument
1170 cdns_updatel(cdns, CDNS_MCP_CONTROL, in sdw_cdns_exit_reset()
1175 return cdns_config_update(cdns); in sdw_cdns_exit_reset()
1181 * @cdns: Cadence instance
1184 static void cdns_enable_slave_interrupts(struct sdw_cdns *cdns, bool state) in cdns_enable_slave_interrupts() argument
1188 mask = cdns_readl(cdns, CDNS_MCP_INTMASK); in cdns_enable_slave_interrupts()
1194 cdns_writel(cdns, CDNS_MCP_INTMASK, mask); in cdns_enable_slave_interrupts()
1199 * @cdns: Cadence instance
1202 int sdw_cdns_enable_interrupt(struct sdw_cdns *cdns, bool state) in sdw_cdns_enable_interrupt() argument
1222 if (cdns->bus.params.m_data_mode != SDW_PORT_DATA_MODE_NORMAL) in sdw_cdns_enable_interrupt()
1242 slave_state = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT0); in sdw_cdns_enable_interrupt()
1243 cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT0, slave_state); in sdw_cdns_enable_interrupt()
1244 slave_state = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT1); in sdw_cdns_enable_interrupt()
1245 cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT1, slave_state); in sdw_cdns_enable_interrupt()
1247 cdns->interrupt_enabled = state; in sdw_cdns_enable_interrupt()
1259 cancel_work_sync(&cdns->work); in sdw_cdns_enable_interrupt()
1261 cdns_writel(cdns, CDNS_MCP_SLAVE_INTMASK0, slave_intmask0); in sdw_cdns_enable_interrupt()
1262 cdns_writel(cdns, CDNS_MCP_SLAVE_INTMASK1, slave_intmask1); in sdw_cdns_enable_interrupt()
1263 cdns_writel(cdns, CDNS_MCP_INTMASK, mask); in sdw_cdns_enable_interrupt()
1269 static int cdns_allocate_pdi(struct sdw_cdns *cdns, in cdns_allocate_pdi() argument
1279 pdi = devm_kcalloc(cdns->dev, num, sizeof(*pdi), GFP_KERNEL); in cdns_allocate_pdi()
1294 * @cdns: Cadence instance
1297 int sdw_cdns_pdi_init(struct sdw_cdns *cdns, in sdw_cdns_pdi_init() argument
1303 cdns->pcm.num_bd = config.pcm_bd; in sdw_cdns_pdi_init()
1304 cdns->pcm.num_in = config.pcm_in; in sdw_cdns_pdi_init()
1305 cdns->pcm.num_out = config.pcm_out; in sdw_cdns_pdi_init()
1308 stream = &cdns->pcm; in sdw_cdns_pdi_init()
1311 ret = cdns_allocate_pdi(cdns, &stream->bd, stream->num_bd); in sdw_cdns_pdi_init()
1315 ret = cdns_allocate_pdi(cdns, &stream->in, stream->num_in); in sdw_cdns_pdi_init()
1319 ret = cdns_allocate_pdi(cdns, &stream->out, stream->num_out); in sdw_cdns_pdi_init()
1325 cdns->num_ports = stream->num_pdi; in sdw_cdns_pdi_init()
1346 static int cdns_init_clock_ctrl(struct sdw_cdns *cdns) in cdns_init_clock_ctrl() argument
1348 struct sdw_bus *bus = &cdns->bus; in cdns_init_clock_ctrl()
1354 dev_dbg(cdns->dev, "mclk %d max %d row %d col %d\n", in cdns_init_clock_ctrl()
1361 dev_err(cdns->dev, "Default frame_rate %d or row %d is invalid\n", in cdns_init_clock_ctrl()
1370 cdns_updatel(cdns, CDNS_MCP_CLK_CTRL0, in cdns_init_clock_ctrl()
1372 cdns_updatel(cdns, CDNS_MCP_CLK_CTRL1, in cdns_init_clock_ctrl()
1385 cdns_writel(cdns, CDNS_MCP_FRAME_SHAPE_INIT, val); in cdns_init_clock_ctrl()
1389 cdns_writel(cdns, CDNS_MCP_SSP_CTRL0, ssp_interval); in cdns_init_clock_ctrl()
1390 cdns_writel(cdns, CDNS_MCP_SSP_CTRL1, ssp_interval); in cdns_init_clock_ctrl()
1397 * @cdns: Cadence instance
1399 int sdw_cdns_soft_reset(struct sdw_cdns *cdns) in sdw_cdns_soft_reset() argument
1403 cdns_updatel(cdns, CDNS_MCP_CONTROL, CDNS_MCP_CONTROL_SOFT_RST, in sdw_cdns_soft_reset()
1406 ret = cdns_config_update(cdns); in sdw_cdns_soft_reset()
1408 dev_err(cdns->dev, "%s: config update failed\n", __func__); in sdw_cdns_soft_reset()
1412 ret = cdns_set_wait(cdns, CDNS_MCP_CONTROL, CDNS_MCP_CONTROL_SOFT_RST, 0); in sdw_cdns_soft_reset()
1414 dev_err(cdns->dev, "%s: Soft Reset timed out\n", __func__); in sdw_cdns_soft_reset()
1422 * @cdns: Cadence instance
1424 int sdw_cdns_init(struct sdw_cdns *cdns) in sdw_cdns_init() argument
1429 ret = cdns_init_clock_ctrl(cdns); in sdw_cdns_init()
1433 sdw_cdns_check_self_clearing_bits(cdns, __func__, false, 0); in sdw_cdns_init()
1436 cdns->msg_count = cdns_readl(cdns, CDNS_MCP_FIFOLEVEL); in sdw_cdns_init()
1439 cdns_updatel(cdns, CDNS_MCP_CONTROL, CDNS_MCP_CONTROL_CMD_RST, in sdw_cdns_init()
1443 cdns_ip_updatel(cdns, CDNS_IP_MCP_CONTROL, CDNS_IP_MCP_CONTROL_CMD_ACCEPT, in sdw_cdns_init()
1447 cdns_ip_updatel(cdns, CDNS_IP_MCP_CONTROL, in sdw_cdns_init()
1452 val = cdns_readl(cdns, CDNS_MCP_CONFIG); in sdw_cdns_init()
1457 cdns_writel(cdns, CDNS_MCP_CONFIG, val); in sdw_cdns_init()
1460 val = cdns_ip_readl(cdns, CDNS_IP_MCP_CONFIG); in sdw_cdns_init()
1472 if (cdns->bus.multi_link) in sdw_cdns_init()
1480 cdns_ip_writel(cdns, CDNS_IP_MCP_CONFIG, val); in sdw_cdns_init()
1490 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_bus_conf() local
1495 dev_err(cdns->dev, "NULL curr_dr_freq\n"); in cdns_bus_conf()
1508 cdns_updatel(cdns, mcp_clkctrl_off, CDNS_MCP_CLK_MCLKD_MASK, divider); in cdns_bus_conf()
1517 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_port_params() local
1525 if (target_num == cdns->pdi_loopback_target && in cdns_port_params()
1526 cdns->pdi_loopback_source != -1) { in cdns_port_params()
1527 source_num = cdns->pdi_loopback_source; in cdns_port_params()
1539 dpn_config = cdns_readl(cdns, dpn_config_off_source); in cdns_port_params()
1548 cdns_writel(cdns, dpn_config_off_target, dpn_config); in cdns_port_params()
1557 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_transport_params() local
1574 if (target_num == cdns->pdi_loopback_target && in cdns_transport_params()
1575 cdns->pdi_loopback_source != -1) { in cdns_transport_params()
1576 source_num = cdns->pdi_loopback_source; in cdns_transport_params()
1608 dpn_config = cdns_readl(cdns, dpn_config_off_source); in cdns_transport_params()
1613 cdns_writel(cdns, dpn_config_off_target, dpn_config); in cdns_transport_params()
1620 dpn_offsetctrl = cdns_readl(cdns, dpn_offsetctrl_off_source); in cdns_transport_params()
1622 cdns_writel(cdns, dpn_offsetctrl_off_target, dpn_offsetctrl); in cdns_transport_params()
1630 dpn_hctrl = cdns_readl(cdns, dpn_hctrl_off_source); in cdns_transport_params()
1632 cdns_writel(cdns, dpn_hctrl_off_target, dpn_hctrl); in cdns_transport_params()
1637 dpn_samplectrl = cdns_readl(cdns, dpn_samplectrl_off_source); in cdns_transport_params()
1638 cdns_writel(cdns, dpn_samplectrl_off_target, dpn_samplectrl); in cdns_transport_params()
1646 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_port_enable() local
1655 cdns_writel(cdns, dpn_chnen_off, ch_mask); in cdns_port_enable()
1669 * @cdns: Cadence instance
1671 bool sdw_cdns_is_clock_stop(struct sdw_cdns *cdns) in sdw_cdns_is_clock_stop() argument
1673 return !!(cdns_readl(cdns, CDNS_MCP_STAT) & CDNS_MCP_STAT_CLK_STOP); in sdw_cdns_is_clock_stop()
1680 * @cdns: Cadence instance
1683 int sdw_cdns_clock_stop(struct sdw_cdns *cdns, bool block_wake) in sdw_cdns_clock_stop() argument
1689 sdw_cdns_check_self_clearing_bits(cdns, __func__, false, 0); in sdw_cdns_clock_stop()
1692 if (sdw_cdns_is_clock_stop(cdns)) { in sdw_cdns_clock_stop()
1693 dev_dbg(cdns->dev, "Clock is already stopped\n"); in sdw_cdns_clock_stop()
1702 cdns_enable_slave_interrupts(cdns, false); in sdw_cdns_clock_stop()
1710 cdns_ip_updatel(cdns, CDNS_IP_MCP_CONTROL, in sdw_cdns_clock_stop()
1714 list_for_each_entry(slave, &cdns->bus.slaves, node) { in sdw_cdns_clock_stop()
1723 ret = cdns_config_update(cdns); in sdw_cdns_clock_stop()
1725 dev_err(cdns->dev, "%s: config_update failed\n", __func__); in sdw_cdns_clock_stop()
1731 ret = sdw_bus_prep_clk_stop(&cdns->bus); in sdw_cdns_clock_stop()
1733 dev_err(cdns->dev, "prepare clock stop failed %d\n", ret); in sdw_cdns_clock_stop()
1742 ret = sdw_bus_clk_stop(&cdns->bus); in sdw_cdns_clock_stop()
1744 dev_err(cdns->dev, "bus clock stop failed %d\n", ret); in sdw_cdns_clock_stop()
1748 ret = cdns_set_wait(cdns, CDNS_MCP_STAT, in sdw_cdns_clock_stop()
1752 dev_err(cdns->dev, "Clock stop failed %d\n", ret); in sdw_cdns_clock_stop()
1761 * @cdns: Cadence instance
1765 int sdw_cdns_clock_restart(struct sdw_cdns *cdns, bool bus_reset) in sdw_cdns_clock_restart() argument
1770 cdns_enable_slave_interrupts(cdns, true); in sdw_cdns_clock_restart()
1772 ret = cdns_clear_bit(cdns, CDNS_MCP_CONTROL, in sdw_cdns_clock_restart()
1775 dev_err(cdns->dev, "Couldn't exit from clock stop\n"); in sdw_cdns_clock_restart()
1779 ret = cdns_set_wait(cdns, CDNS_MCP_STAT, CDNS_MCP_STAT_CLK_STOP, 0); in sdw_cdns_clock_restart()
1781 dev_err(cdns->dev, "clock stop exit failed %d\n", ret); in sdw_cdns_clock_restart()
1785 cdns_ip_updatel(cdns, CDNS_IP_MCP_CONTROL, in sdw_cdns_clock_restart()
1788 cdns_ip_updatel(cdns, CDNS_IP_MCP_CONTROL, CDNS_IP_MCP_CONTROL_CMD_ACCEPT, in sdw_cdns_clock_restart()
1794 cdns_ip_updatel(cdns, CDNS_IP_MCP_CONFIG, in sdw_cdns_clock_restart()
1798 ret = cdns_config_update(cdns); in sdw_cdns_clock_restart()
1800 dev_err(cdns->dev, "%s: config_update failed\n", __func__); in sdw_cdns_clock_restart()
1804 ret = sdw_bus_exit_clk_stop(&cdns->bus); in sdw_cdns_clock_restart()
1806 dev_err(cdns->dev, "bus failed to exit clock stop %d\n", ret); in sdw_cdns_clock_restart()
1815 * @cdns: Cadence instance
1817 int sdw_cdns_probe(struct sdw_cdns *cdns) in sdw_cdns_probe() argument
1819 init_completion(&cdns->tx_complete); in sdw_cdns_probe()
1820 cdns->bus.port_ops = &cdns_port_ops; in sdw_cdns_probe()
1822 mutex_init(&cdns->status_update_lock); in sdw_cdns_probe()
1824 INIT_WORK(&cdns->work, cdns_update_slave_status_work); in sdw_cdns_probe()
1825 INIT_DELAYED_WORK(&cdns->attach_dwork, cdns_check_attached_status_dwork); in sdw_cdns_probe()
1834 struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai); in cdns_set_sdw_stream() local
1837 dai_runtime = cdns->dai_runtime_array[dai->id]; in cdns_set_sdw_stream()
1855 dai_runtime->bus = &cdns->bus; in cdns_set_sdw_stream()
1856 dai_runtime->link_id = cdns->instance; in cdns_set_sdw_stream()
1861 cdns->dai_runtime_array[dai->id] = dai_runtime; in cdns_set_sdw_stream()
1873 cdns->dai_runtime_array[dai->id] = NULL; in cdns_set_sdw_stream()
1882 * @cdns: Cadence instance
1890 static struct sdw_cdns_pdi *cdns_find_pdi(struct sdw_cdns *cdns, in cdns_find_pdi() argument
1907 * @cdns: Cadence instance
1912 void sdw_cdns_config_stream(struct sdw_cdns *cdns, in sdw_cdns_config_stream() argument
1920 if (cdns->bus.params.m_data_mode != SDW_PORT_DATA_MODE_NORMAL) in sdw_cdns_config_stream()
1926 cdns_updatel(cdns, offset, in sdw_cdns_config_stream()
1938 cdns_writel(cdns, CDNS_PDI_CONFIG(pdi->num), val); in sdw_cdns_config_stream()
1945 * @cdns: Cadence instance
1951 struct sdw_cdns_pdi *sdw_cdns_alloc_pdi(struct sdw_cdns *cdns, in sdw_cdns_alloc_pdi() argument
1958 pdi = cdns_find_pdi(cdns, stream->num_in, stream->in, in sdw_cdns_alloc_pdi()
1961 pdi = cdns_find_pdi(cdns, stream->num_out, stream->out, in sdw_cdns_alloc_pdi()
1966 pdi = cdns_find_pdi(cdns, stream->num_bd, stream->bd, in sdw_cdns_alloc_pdi()