Lines Matching full:cdns
186 static inline u32 cdns_readl(struct sdw_cdns *cdns, int offset) in cdns_readl() argument
188 return readl(cdns->registers + offset); in cdns_readl()
191 static inline void cdns_writel(struct sdw_cdns *cdns, int offset, u32 value) in cdns_writel() argument
193 writel(value, cdns->registers + offset); in cdns_writel()
196 static inline void cdns_updatel(struct sdw_cdns *cdns, in cdns_updatel() argument
201 tmp = cdns_readl(cdns, offset); in cdns_updatel()
203 cdns_writel(cdns, offset, tmp); in cdns_updatel()
206 static int cdns_clear_bit(struct sdw_cdns *cdns, int offset, u32 value) in cdns_clear_bit() argument
211 writel(value, cdns->registers + offset); in cdns_clear_bit()
215 reg_read = readl(cdns->registers + offset); in cdns_clear_bit()
230 struct sdw_cdns *cdns, in cdns_fill_msg_resp() argument
238 if (!(cdns->response_buf[i] & CDNS_MCP_RESP_ACK)) { in cdns_fill_msg_resp()
240 dev_dbg(cdns->dev, "Msg Ack not received\n"); in cdns_fill_msg_resp()
241 if (cdns->response_buf[i] & CDNS_MCP_RESP_NACK) { in cdns_fill_msg_resp()
243 dev_err(cdns->dev, "Msg NACK received\n"); in cdns_fill_msg_resp()
249 dev_err(cdns->dev, "Msg NACKed for Slave %d\n", msg->dev_num); in cdns_fill_msg_resp()
252 dev_dbg(cdns->dev, "Msg ignored for Slave %d\n", msg->dev_num); in cdns_fill_msg_resp()
258 msg->buf[i + offset] = cdns->response_buf[i] >> in cdns_fill_msg_resp()
265 _cdns_xfer_msg(struct sdw_cdns *cdns, struct sdw_msg *msg, int cmd, in _cdns_xfer_msg() argument
273 if (cdns->msg_count != count) { in _cdns_xfer_msg()
274 cdns_writel(cdns, CDNS_MCP_FIFOLEVEL, count); in _cdns_xfer_msg()
275 cdns->msg_count = count; in _cdns_xfer_msg()
290 cdns_writel(cdns, base, data); in _cdns_xfer_msg()
298 time = wait_for_completion_timeout(&cdns->tx_complete, in _cdns_xfer_msg()
301 dev_err(cdns->dev, "IO transfer timed out\n"); in _cdns_xfer_msg()
306 return cdns_fill_msg_resp(cdns, msg, count, offset); in _cdns_xfer_msg()
310 struct sdw_cdns *cdns, struct sdw_msg *msg) in cdns_program_scp_addr() argument
318 if (cdns->msg_count != CDNS_SCP_RX_FIFOLEVEL) { in cdns_program_scp_addr()
319 cdns_writel(cdns, CDNS_MCP_FIFOLEVEL, CDNS_SCP_RX_FIFOLEVEL); in cdns_program_scp_addr()
320 cdns->msg_count = CDNS_SCP_RX_FIFOLEVEL; in cdns_program_scp_addr()
334 cdns_writel(cdns, base, data[0]); in cdns_program_scp_addr()
336 cdns_writel(cdns, base, data[1]); in cdns_program_scp_addr()
338 time = wait_for_completion_timeout(&cdns->tx_complete, in cdns_program_scp_addr()
341 dev_err(cdns->dev, "SCP Msg trf timed out\n"); in cdns_program_scp_addr()
348 if (!(cdns->response_buf[i] & CDNS_MCP_RESP_ACK)) { in cdns_program_scp_addr()
350 dev_err(cdns->dev, "Program SCP Ack not received"); in cdns_program_scp_addr()
351 if (cdns->response_buf[i] & CDNS_MCP_RESP_NACK) { in cdns_program_scp_addr()
353 dev_err(cdns->dev, "Program SCP NACK received"); in cdns_program_scp_addr()
360 dev_err(cdns->dev, in cdns_program_scp_addr()
364 dev_dbg(cdns->dev, in cdns_program_scp_addr()
372 static int cdns_prep_msg(struct sdw_cdns *cdns, struct sdw_msg *msg, int *cmd) in cdns_prep_msg() argument
377 ret = cdns_program_scp_addr(cdns, msg); in cdns_prep_msg()
394 dev_err(cdns->dev, "Invalid msg cmd: %d\n", msg->flags); in cdns_prep_msg()
404 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_xfer_msg() local
407 ret = cdns_prep_msg(cdns, msg, &cmd); in cdns_xfer_msg()
412 ret = _cdns_xfer_msg(cdns, msg, cmd, i * CDNS_MCP_CMD_LEN, in cdns_xfer_msg()
421 ret = _cdns_xfer_msg(cdns, msg, cmd, i * CDNS_MCP_CMD_LEN, in cdns_xfer_msg()
433 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_xfer_msg_defer() local
440 ret = cdns_prep_msg(cdns, msg, &cmd); in cdns_xfer_msg_defer()
444 cdns->defer = defer; in cdns_xfer_msg_defer()
445 cdns->defer->length = msg->len; in cdns_xfer_msg_defer()
447 return _cdns_xfer_msg(cdns, msg, cmd, 0, msg->len, true); in cdns_xfer_msg_defer()
454 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_reset_page_addr() local
461 return cdns_program_scp_addr(cdns, &msg); in cdns_reset_page_addr()
469 static void cdns_read_response(struct sdw_cdns *cdns) in cdns_read_response() argument
474 num_resp = cdns_readl(cdns, CDNS_MCP_FIFOSTAT); in cdns_read_response()
480 cdns->response_buf[i] = cdns_readl(cdns, cmd_base); in cdns_read_response()
485 static int cdns_update_slave_status(struct sdw_cdns *cdns, in cdns_update_slave_status() argument
528 dev_warn(cdns->dev, in cdns_update_slave_status()
539 return sdw_handle_slave_status(&cdns->bus, status); in cdns_update_slave_status()
551 struct sdw_cdns *cdns = dev_id; in sdw_cdns_irq() local
556 if (!cdns->link_up) in sdw_cdns_irq()
559 int_status = cdns_readl(cdns, CDNS_MCP_INTSTAT); in sdw_cdns_irq()
565 cdns_read_response(cdns); in sdw_cdns_irq()
567 if (cdns->defer) { in sdw_cdns_irq()
568 cdns_fill_msg_resp(cdns, cdns->defer->msg, in sdw_cdns_irq()
569 cdns->defer->length, 0); in sdw_cdns_irq()
570 complete(&cdns->defer->complete); in sdw_cdns_irq()
571 cdns->defer = NULL; in sdw_cdns_irq()
573 complete(&cdns->tx_complete); in sdw_cdns_irq()
579 dev_err_ratelimited(cdns->dev, "Bus clash for control word\n"); in sdw_cdns_irq()
588 dev_err_ratelimited(cdns->dev, "Bus clash for data word\n"); in sdw_cdns_irq()
594 cdns_updatel(cdns, CDNS_MCP_INTMASK, in sdw_cdns_irq()
601 cdns_writel(cdns, CDNS_MCP_INTSTAT, int_status); in sdw_cdns_irq()
613 struct sdw_cdns *cdns = dev_id; in sdw_cdns_thread() local
616 dev_dbg(cdns->dev, "Slave status change\n"); in sdw_cdns_thread()
618 slave0 = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT0); in sdw_cdns_thread()
619 slave1 = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT1); in sdw_cdns_thread()
621 cdns_update_slave_status(cdns, slave0, slave1); in sdw_cdns_thread()
622 cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT0, slave0); in sdw_cdns_thread()
623 cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT1, slave1); in sdw_cdns_thread()
626 cdns_writel(cdns, CDNS_MCP_INTSTAT, CDNS_MCP_INT_SLAVE_MASK); in sdw_cdns_thread()
627 cdns_updatel(cdns, CDNS_MCP_INTMASK, in sdw_cdns_thread()
637 static int _cdns_enable_interrupt(struct sdw_cdns *cdns) in _cdns_enable_interrupt() argument
641 cdns_writel(cdns, CDNS_MCP_SLAVE_INTMASK0, in _cdns_enable_interrupt()
643 cdns_writel(cdns, CDNS_MCP_SLAVE_INTMASK1, in _cdns_enable_interrupt()
651 cdns_writel(cdns, CDNS_MCP_INTMASK, mask); in _cdns_enable_interrupt()
658 * @cdns: Cadence instance
660 int sdw_cdns_enable_interrupt(struct sdw_cdns *cdns) in sdw_cdns_enable_interrupt() argument
664 _cdns_enable_interrupt(cdns); in sdw_cdns_enable_interrupt()
665 ret = cdns_clear_bit(cdns, CDNS_MCP_CONFIG_UPDATE, in sdw_cdns_enable_interrupt()
668 dev_err(cdns->dev, "Config update timedout"); in sdw_cdns_enable_interrupt()
674 static int cdns_allocate_pdi(struct sdw_cdns *cdns, in cdns_allocate_pdi() argument
684 pdi = devm_kcalloc(cdns->dev, num, sizeof(*pdi), GFP_KERNEL); in cdns_allocate_pdi()
700 * @cdns: Cadence instance
703 int sdw_cdns_pdi_init(struct sdw_cdns *cdns, in sdw_cdns_pdi_init() argument
709 cdns->pcm.num_bd = config.pcm_bd; in sdw_cdns_pdi_init()
710 cdns->pcm.num_in = config.pcm_in; in sdw_cdns_pdi_init()
711 cdns->pcm.num_out = config.pcm_out; in sdw_cdns_pdi_init()
712 cdns->pdm.num_bd = config.pdm_bd; in sdw_cdns_pdi_init()
713 cdns->pdm.num_in = config.pdm_in; in sdw_cdns_pdi_init()
714 cdns->pdm.num_out = config.pdm_out; in sdw_cdns_pdi_init()
717 stream = &cdns->pcm; in sdw_cdns_pdi_init()
723 ret = cdns_allocate_pdi(cdns, &stream->bd, in sdw_cdns_pdi_init()
730 ret = cdns_allocate_pdi(cdns, &stream->in, in sdw_cdns_pdi_init()
737 ret = cdns_allocate_pdi(cdns, &stream->out, in sdw_cdns_pdi_init()
744 cdns->num_ports = stream->num_pdi; in sdw_cdns_pdi_init()
747 stream = &cdns->pdm; in sdw_cdns_pdi_init()
749 ret = cdns_allocate_pdi(cdns, &stream->bd, in sdw_cdns_pdi_init()
756 ret = cdns_allocate_pdi(cdns, &stream->in, in sdw_cdns_pdi_init()
763 ret = cdns_allocate_pdi(cdns, &stream->out, in sdw_cdns_pdi_init()
770 cdns->num_ports += stream->num_pdi; in sdw_cdns_pdi_init()
772 cdns->ports = devm_kcalloc(cdns->dev, cdns->num_ports, in sdw_cdns_pdi_init()
773 sizeof(*cdns->ports), GFP_KERNEL); in sdw_cdns_pdi_init()
774 if (!cdns->ports) { in sdw_cdns_pdi_init()
779 for (i = 0; i < cdns->num_ports; i++) { in sdw_cdns_pdi_init()
780 cdns->ports[i].assigned = false; in sdw_cdns_pdi_init()
781 cdns->ports[i].num = i + 1; /* Port 0 reserved for bulk */ in sdw_cdns_pdi_init()
790 * @cdns: Cadence instance
792 int sdw_cdns_init(struct sdw_cdns *cdns) in sdw_cdns_init() argument
798 ret = cdns_clear_bit(cdns, CDNS_MCP_CONTROL, in sdw_cdns_init()
801 dev_err(cdns->dev, "Couldn't exit from clock stop\n"); in sdw_cdns_init()
806 val = cdns_readl(cdns, CDNS_MCP_CLK_CTRL0); in sdw_cdns_init()
808 cdns_writel(cdns, CDNS_MCP_CLK_CTRL0, val); in sdw_cdns_init()
811 cdns_writel(cdns, CDNS_MCP_FRAME_SHAPE_INIT, CDNS_DEFAULT_FRAME_SHAPE); in sdw_cdns_init()
814 cdns_writel(cdns, CDNS_MCP_SSP_CTRL0, CDNS_DEFAULT_SSP_INTERVAL); in sdw_cdns_init()
815 cdns_writel(cdns, CDNS_MCP_SSP_CTRL1, CDNS_DEFAULT_SSP_INTERVAL); in sdw_cdns_init()
818 cdns_updatel(cdns, CDNS_MCP_CONTROL, CDNS_MCP_CONTROL_CMD_ACCEPT, in sdw_cdns_init()
822 val = cdns_readl(cdns, CDNS_MCP_CONFIG); in sdw_cdns_init()
843 cdns_writel(cdns, CDNS_MCP_CONFIG, val); in sdw_cdns_init()
851 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_bus_conf() local
856 dev_err(cdns->dev, "NULL curr_dr_freq"); in cdns_bus_conf()
867 mcp_clkctrl = cdns_readl(cdns, mcp_clkctrl_off); in cdns_bus_conf()
869 cdns_writel(cdns, mcp_clkctrl_off, mcp_clkctrl); in cdns_bus_conf()
878 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_port_params() local
886 dpn_config = cdns_readl(cdns, dpn_config_off); in cdns_port_params()
895 cdns_writel(cdns, dpn_config_off, dpn_config); in cdns_port_params()
904 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_transport_params() local
928 dpn_config = cdns_readl(cdns, dpn_config_off); in cdns_transport_params()
934 cdns_writel(cdns, dpn_config_off, dpn_config); in cdns_transport_params()
940 cdns_writel(cdns, dpn_offsetctrl_off, dpn_offsetctrl); in cdns_transport_params()
948 cdns_writel(cdns, dpn_hctrl_off, dpn_hctrl); in cdns_transport_params()
949 cdns_writel(cdns, dpn_samplectrl_off, (t_params->sample_interval - 1)); in cdns_transport_params()
957 struct sdw_cdns *cdns = bus_to_cdns(bus); in cdns_port_enable() local
966 cdns_writel(cdns, dpn_chnen_off, ch_mask); in cdns_port_enable()
979 * @cdns: Cadence instance
981 int sdw_cdns_probe(struct sdw_cdns *cdns) in sdw_cdns_probe() argument
983 init_completion(&cdns->tx_complete); in sdw_cdns_probe()
984 cdns->bus.port_ops = &cdns_port_ops; in sdw_cdns_probe()
993 struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai); in cdns_set_sdw_stream() local
1005 dma->bus = &cdns->bus; in cdns_set_sdw_stream()
1006 dma->link_id = cdns->instance; in cdns_set_sdw_stream()
1022 * @cdns: Cadence instance
1028 static struct sdw_cdns_pdi *cdns_find_pdi(struct sdw_cdns *cdns, in cdns_find_pdi() argument
1046 * @cdns: Cadence instance
1052 void sdw_cdns_config_stream(struct sdw_cdns *cdns, in sdw_cdns_config_stream() argument
1062 cdns_updatel(cdns, offset, CDNS_PORTCTRL_DIRN, val); in sdw_cdns_config_stream()
1066 cdns_writel(cdns, CDNS_PDI_CONFIG(pdi->num), val); in sdw_cdns_config_stream()
1073 * @cdns: Cadence instance
1078 static int cdns_get_num_pdi(struct sdw_cdns *cdns, in cdns_get_num_pdi() argument
1108 * @cdns: Cadence instance
1113 int sdw_cdns_get_stream(struct sdw_cdns *cdns, in sdw_cdns_get_stream() argument
1120 pdis = cdns_get_num_pdi(cdns, stream->in, stream->num_in, ch); in sdw_cdns_get_stream()
1122 pdis = cdns_get_num_pdi(cdns, stream->out, stream->num_out, ch); in sdw_cdns_get_stream()
1126 pdis = cdns_get_num_pdi(cdns, stream->bd, stream->num_bd, ch); in sdw_cdns_get_stream()
1135 * @cdns: Cadence instance
1141 int sdw_cdns_alloc_stream(struct sdw_cdns *cdns, in sdw_cdns_alloc_stream() argument
1148 pdi = cdns_find_pdi(cdns, stream->num_in, stream->in); in sdw_cdns_alloc_stream()
1150 pdi = cdns_find_pdi(cdns, stream->num_out, stream->out); in sdw_cdns_alloc_stream()
1154 pdi = cdns_find_pdi(cdns, stream->num_bd, stream->bd); in sdw_cdns_alloc_stream()