target/fw/l23_api: Enable/Disable audio path appropriately

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>

diff --git a/src/target/firmware/layer1/l23_api.c b/src/target/firmware/layer1/l23_api.c
index 4a06e04..e51dd5d 100644 (file)
--- a/src/target/firmware/layer1/l23_api.c
+++ b/src/target/firmware/layer1/l23_api.c
@@ -39,6 +39,7 @@
 #include <layer1/prim.h>
 #include <layer1/tpu_window.h>
 
+#include <abb/twl3025.h>
 #include <rf/trf6151.h>
 
 #include <l1ctl_proto.h>
@@ -105,6 +106,12 @@ static int chan_nr_is_tch(uint8_t chan_nr)
                ((chan_nr >> 3) & 0x1e) == 0x02);       /* TCH/H */
 }
 
+static void audio_set_enabled(int enabled)
+{
+       twl3025_unit_enable(TWL3025_UNIT_VUL, enabled);
+       twl3025_unit_enable(TWL3025_UNIT_VDL, enabled);
+}
+
 struct msgb *l1ctl_msgb_alloc(uint8_t msg_type)
 {
        struct msgb *msg;
@@ -199,6 +206,9 @@ static void l1ctl_rx_dm_est_req(struct msgb *msg)
 
                /* Sync */
                l1s.tch_sync = 1;       /* can be set without locking */
+
+               /* Audio path */
+               audio_set_enabled(est_req->tch_mode != GSM48_CMODE_SIGN);
        }
 
        /* figure out which MF tasks to enable */
@@ -266,6 +276,7 @@ static void l1ctl_rx_dm_rel_req(struct msgb *msg)
        l1a_meas_msgb_set(NULL);
        dsp_load_ciph_param(0, NULL);
        l1a_tch_mode_set(GSM48_CMODE_SIGN);
+       audio_set_enabled(0);
 }
 
 /* receive a L1CTL_PARAM_REQ from L23 */
@@ -370,6 +381,7 @@ static void l1ctl_rx_reset_req(struct msgb *msg)
                printf("L1CTL_RESET_REQ: FULL!\n");
                l1s_reset();
                l1s_reset_hw();
+               audio_set_enabled(0);
                l1ctl_tx_reset(L1CTL_RESET_CONF, reset_req->type);
                break;
        case L1CTL_RES_T_SCHED:
@@ -441,6 +453,8 @@ static void l1ctl_rx_tch_mode_req(struct msgb *msg)
        printd("L1CTL_TCH_MODE_REQ (mode=0x%02x)\n", tch_mode);
        tch_mode = l1a_tch_mode_set(tch_mode);
 
+       audio_set_enabled(tch_mode != GSM48_CMODE_SIGN);
+
        l1ctl_tx_tch_mode_conf(tch_mode);
 }