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[RFC PATCH 18/27] virtio-snd: Add default configs to realize fn
From: |
Shreyansh Chouhan |
Subject: |
[RFC PATCH 18/27] virtio-snd: Add default configs to realize fn |
Date: |
Thu, 29 Apr 2021 17:34:36 +0530 |
Added default configurations for streams and jacks in the
realize function.
Signed-off-by: Shreyansh Chouhan <chouhan.shreyansh2702@gmail.com>
---
hw/audio/virtio-snd.c | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/hw/audio/virtio-snd.c b/hw/audio/virtio-snd.c
index dba90cc4a7..d0ab19a04a 100644
--- a/hw/audio/virtio-snd.c
+++ b/hw/audio/virtio-snd.c
@@ -683,11 +683,51 @@ static void virtio_snd_device_realize(DeviceState *dev,
Error **errp)
/* set up QEMUSoundCard and audiodev */
AUD_register_card ("virtio_snd_card", &s->card);
+ // set default params for all streams
+ virtio_snd_pcm_set_params default_params;
+ default_params.features = 0;
+ default_params.buffer_bytes = 8192;
+ default_params.period_bytes = 4096;
+ default_params.channel = 2;
+ default_params.format = VIRTIO_SND_PCM_FMT_S16;
+ default_params.rate = VIRTIO_SND_PCM_RATE_44100;
+
s->ctrl_vq = virtio_add_queue(vdev, 64, virtio_snd_handle_ctrl);
s->streams = g_new0(virtio_snd_pcm_stream *, s->snd_conf.streams);
s->pcm_params = g_new0(virtio_snd_pcm_params *, s->snd_conf.streams);
s->jacks = g_new0(virtio_snd_jack *, s->snd_conf.jacks);
+
+ uint32_t status;
+ for (int i = 0; i < s->snd_conf.streams; i++) {
+ default_params.hdr.stream_id = i;
+ status = virtio_snd_pcm_set_params_impl(s, &default_params);
+ if (status != VIRTIO_SND_S_OK) {
+ error_setg(errp, "Can't initalize stream params.\n");
+ return;
+ }
+ status = virtio_snd_pcm_prepare_impl(s, i);
+ if (status != VIRTIO_SND_S_OK) {
+ error_setg(errp, "Can't prepare streams.\n");
+ return;
+ }
+ }
+
+ for (int i = 0; i < s->snd_conf.jacks; i++) {
+ // TODO: For now the hda_fn_nid connects the starting streams to these
+ // jacks. This isn't working for now since the directions will be wrong
+ // for a few jacks. Similarly the capabilities are just placeholders.
+ s->jacks[i] = (virtio_snd_jack *)g_malloc0(sizeof(virtio_snd_jack));
+ s->jacks[i]->features = 0;
+ s->jacks[i]->hda_fn_nid = i;
+ s->jacks[i]->hda_reg_defconf = ((AC_JACK_PORT_COMPLEX <<
AC_DEFCFG_PORT_CONN_SHIFT) |
+ (AC_JACK_LINE_OUT <<
AC_DEFCFG_DEVICE_SHIFT) |
+ (AC_JACK_CONN_1_8 <<
AC_DEFCFG_CONN_TYPE_SHIFT) |
+ (AC_JACK_COLOR_GREEN <<
AC_DEFCFG_COLOR_SHIFT) |
+ 0x10);
+ s->jacks[i]->hda_reg_caps = AC_PINCAP_OUT;
+ s->jacks[i]->connected = false;
+ }
}
static void virtio_snd_device_unrealize(DeviceState *dev)
--
2.25.1
- Re: [RFC PATCH 09/27] virtio-snd: Add code for set config function, (continued)
- [RFC PATCH 10/27] virtio-snd: Add code for the realize function, Shreyansh Chouhan, 2021/04/29
- [RFC PATCH 12/27] virtio-snd: Add control virtqueue handler, Shreyansh Chouhan, 2021/04/29
- [RFC PATCH 11/27] virtio-snd: Add macros for logging, Shreyansh Chouhan, 2021/04/29
- [RFC PATCH 13/27] virtio-snd: Add VIRTIO_SND_R_JACK_INFO handler, Shreyansh Chouhan, 2021/04/29
- [RFC PATCH 15/27] virtio-snd: Add VIRTIO_SND_R_PCM_INFO handler, Shreyansh Chouhan, 2021/04/29
- [RFC PATCH 14/27] virtio-snd: Add stub for VIRTIO_SND_R_JACK_REMAP handler, Shreyansh Chouhan, 2021/04/29
- [RFC PATCH 18/27] virtio-snd: Add default configs to realize fn,
Shreyansh Chouhan <=
- [RFC PATCH 16/27] virtio-snd: Add VIRITO_SND_R_PCM_SET_PARAMS handle, Shreyansh Chouhan, 2021/04/29
- [RFC PATCH 21/27] virtio-snd: Add VIRTIO_SND_R_PCM_STOP handler, Shreyansh Chouhan, 2021/04/29
- [RFC PATCH 20/27] virtio-snd: Add VIRITO_SND_R_PCM_START handler, Shreyansh Chouhan, 2021/04/29
- [RFC PATCH 17/27] virtio-snd: Add VIRTIO_SND_R_PCM_PREPARE handler, Shreyansh Chouhan, 2021/04/29
- [RFC PATCH 19/27] virtio-snd: Add callback for SWVoiceOut, Shreyansh Chouhan, 2021/04/29
- [RFC PATCH 23/27] virtio-snd: Replaced goto with if else, Shreyansh Chouhan, 2021/04/29
- [RFC PATCH 22/27] virtio-snd: Add VIRTIO_SND_R_PCM_RELEASE handler, Shreyansh Chouhan, 2021/04/29
- [RFC PATCH 25/27] virtio-snd: Add tx vq and handler, Shreyansh Chouhan, 2021/04/29
- [RFC PATCH 24/27] virtio-snd: Add code to device unrealize function, Shreyansh Chouhan, 2021/04/29