ASoC: fsl_xcvr: get channel status data when PHY is not exists

There is no PHY for the XCVR module on i.MX93, the channel status needs
to be obtained from FSL_XCVR_RX_CS_DATA_* registers. And channel status
acknowledge (CSA) bit should be set once channel status is processed.

Fixes: e240b9329a30 ("ASoC: fsl_xcvr: Add support for i.MX93 platform")
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://patch.msgid.link/20250710030405.3370671-2-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/fsl/fsl_xcvr.c b/sound/soc/fsl/fsl_xcvr.c
index e3111dd80be4862b6de33091c01befb302c395e9..4054331445157e918fa13845521a0032978b1f95 100644 (file)
--- a/sound/soc/fsl/fsl_xcvr.c
+++ b/sound/soc/fsl/fsl_xcvr.c
@@ -1423,6 +1423,26 @@ static irqreturn_t irq0_isr(int irq, void *devid)
                                /* clear CS control register */
                                memset_io(reg_ctrl, 0, sizeof(val));
                        }
+               } else {
+                       regmap_read(xcvr->regmap, FSL_XCVR_RX_CS_DATA_0,
+                                   (u32 *)&xcvr->rx_iec958.status[0]);
+                       regmap_read(xcvr->regmap, FSL_XCVR_RX_CS_DATA_1,
+                                   (u32 *)&xcvr->rx_iec958.status[4]);
+                       regmap_read(xcvr->regmap, FSL_XCVR_RX_CS_DATA_2,
+                                   (u32 *)&xcvr->rx_iec958.status[8]);
+                       regmap_read(xcvr->regmap, FSL_XCVR_RX_CS_DATA_3,
+                                   (u32 *)&xcvr->rx_iec958.status[12]);
+                       regmap_read(xcvr->regmap, FSL_XCVR_RX_CS_DATA_4,
+                                   (u32 *)&xcvr->rx_iec958.status[16]);
+                       regmap_read(xcvr->regmap, FSL_XCVR_RX_CS_DATA_5,
+                                   (u32 *)&xcvr->rx_iec958.status[20]);
+                       for (i = 0; i < 6; i++) {
+                               val = *(u32 *)(xcvr->rx_iec958.status + i * 4);
+                               *(u32 *)(xcvr->rx_iec958.status + i * 4) =
+                                       bitrev32(val);
+                       }
+                       regmap_set_bits(xcvr->regmap, FSL_XCVR_RX_DPTH_CTRL,
+                                       FSL_XCVR_RX_DPTH_CTRL_CSA);
                }
        }
        if (isr & FSL_XCVR_IRQ_NEW_UD) {