freebsd-dev/usr.sbin/bhyve/hda_codec.c
Marcelo Araujo 3e21da8ad1 Add SPDX tags to bhyve(8) HD Audio device.
Reviewed by:	bcran
Differential Revision:	https://reviews.freebsd.org/D20750
2019-06-25 06:24:56 +00:00

953 lines
25 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2016 Alex Teaca <iateaca@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <pthread.h>
#include <pthread_np.h>
#include <unistd.h>
#include "pci_hda.h"
#include "audio.h"
/*
* HDA Codec defines
*/
#define INTEL_VENDORID 0x8086
#define HDA_CODEC_SUBSYSTEM_ID ((INTEL_VENDORID << 16) | 0x01)
#define HDA_CODEC_ROOT_NID 0x00
#define HDA_CODEC_FG_NID 0x01
#define HDA_CODEC_AUDIO_OUTPUT_NID 0x02
#define HDA_CODEC_PIN_OUTPUT_NID 0x03
#define HDA_CODEC_AUDIO_INPUT_NID 0x04
#define HDA_CODEC_PIN_INPUT_NID 0x05
#define HDA_CODEC_STREAMS_COUNT 0x02
#define HDA_CODEC_STREAM_OUTPUT 0x00
#define HDA_CODEC_STREAM_INPUT 0x01
#define HDA_CODEC_PARAMS_COUNT 0x14
#define HDA_CODEC_CONN_LIST_COUNT 0x01
#define HDA_CODEC_RESPONSE_EX_UNSOL 0x10
#define HDA_CODEC_RESPONSE_EX_SOL 0x00
#define HDA_CODEC_AMP_NUMSTEPS 0x4a
#define HDA_CODEC_SUPP_STREAM_FORMATS_PCM \
(1 << HDA_PARAM_SUPP_STREAM_FORMATS_PCM_SHIFT)
#define HDA_CODEC_FMT_BASE_MASK (0x01 << 14)
#define HDA_CODEC_FMT_MULT_MASK (0x07 << 11)
#define HDA_CODEC_FMT_MULT_2 (0x01 << 11)
#define HDA_CODEC_FMT_MULT_3 (0x02 << 11)
#define HDA_CODEC_FMT_MULT_4 (0x03 << 11)
#define HDA_CODEC_FMT_DIV_MASK 0x07
#define HDA_CODEC_FMT_DIV_SHIFT 8
#define HDA_CODEC_FMT_BITS_MASK (0x07 << 4)
#define HDA_CODEC_FMT_BITS_8 (0x00 << 4)
#define HDA_CODEC_FMT_BITS_16 (0x01 << 4)
#define HDA_CODEC_FMT_BITS_24 (0x03 << 4)
#define HDA_CODEC_FMT_BITS_32 (0x04 << 4)
#define HDA_CODEC_FMT_CHAN_MASK (0x0f << 0)
#define HDA_CODEC_AUDIO_WCAP_OUTPUT \
(0x00 << HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_SHIFT)
#define HDA_CODEC_AUDIO_WCAP_INPUT \
(0x01 << HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_SHIFT)
#define HDA_CODEC_AUDIO_WCAP_PIN \
(0x04 << HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_SHIFT)
#define HDA_CODEC_AUDIO_WCAP_CONN_LIST \
(1 << HDA_PARAM_AUDIO_WIDGET_CAP_CONN_LIST_SHIFT)
#define HDA_CODEC_AUDIO_WCAP_FORMAT_OVR \
(1 << HDA_PARAM_AUDIO_WIDGET_CAP_FORMAT_OVR_SHIFT)
#define HDA_CODEC_AUDIO_WCAP_AMP_OVR \
(1 << HDA_PARAM_AUDIO_WIDGET_CAP_AMP_OVR_SHIFT)
#define HDA_CODEC_AUDIO_WCAP_OUT_AMP \
(1 << HDA_PARAM_AUDIO_WIDGET_CAP_OUT_AMP_SHIFT)
#define HDA_CODEC_AUDIO_WCAP_IN_AMP \
(1 << HDA_PARAM_AUDIO_WIDGET_CAP_IN_AMP_SHIFT)
#define HDA_CODEC_AUDIO_WCAP_STEREO \
(1 << HDA_PARAM_AUDIO_WIDGET_CAP_STEREO_SHIFT)
#define HDA_CODEC_PIN_CAP_OUTPUT \
(1 << HDA_PARAM_PIN_CAP_OUTPUT_CAP_SHIFT)
#define HDA_CODEC_PIN_CAP_INPUT \
(1 << HDA_PARAM_PIN_CAP_INPUT_CAP_SHIFT)
#define HDA_CODEC_PIN_CAP_PRESENCE_DETECT \
(1 << HDA_PARAM_PIN_CAP_PRESENCE_DETECT_CAP_SHIFT)
#define HDA_CODEC_OUTPUT_AMP_CAP_MUTE_CAP \
(1 << HDA_PARAM_OUTPUT_AMP_CAP_MUTE_CAP_SHIFT)
#define HDA_CODEC_OUTPUT_AMP_CAP_STEPSIZE \
(0x03 << HDA_PARAM_OUTPUT_AMP_CAP_STEPSIZE_SHIFT)
#define HDA_CODEC_OUTPUT_AMP_CAP_NUMSTEPS \
(HDA_CODEC_AMP_NUMSTEPS << HDA_PARAM_OUTPUT_AMP_CAP_NUMSTEPS_SHIFT)
#define HDA_CODEC_OUTPUT_AMP_CAP_OFFSET \
(HDA_CODEC_AMP_NUMSTEPS << HDA_PARAM_OUTPUT_AMP_CAP_OFFSET_SHIFT)
#define HDA_CODEC_SET_AMP_GAIN_MUTE_MUTE 0x80
#define HDA_CODEC_SET_AMP_GAIN_MUTE_GAIN_MASK 0x7f
#define HDA_CODEC_PIN_SENSE_PRESENCE_PLUGGED (1 << 31)
#define HDA_CODEC_PIN_WIDGET_CTRL_OUT_ENABLE \
(1 << HDA_CMD_GET_PIN_WIDGET_CTRL_OUT_ENABLE_SHIFT)
#define HDA_CODEC_PIN_WIDGET_CTRL_IN_ENABLE \
(1 << HDA_CMD_GET_PIN_WIDGET_CTRL_IN_ENABLE_SHIFT)
#define HDA_CONFIG_DEFAULTCONF_COLOR_BLACK \
(0x01 << HDA_CONFIG_DEFAULTCONF_COLOR_SHIFT)
#define HDA_CONFIG_DEFAULTCONF_COLOR_RED \
(0x05 << HDA_CONFIG_DEFAULTCONF_COLOR_SHIFT)
#define HDA_CODEC_BUF_SIZE HDA_FIFO_SIZE
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
/*
* HDA Audio Context data structures
*/
typedef void (*transfer_func_t)(void *arg);
typedef int (*setup_func_t)(void *arg);
struct hda_audio_ctxt {
char name[64];
uint8_t run;
uint8_t started;
void *priv;
pthread_t tid;
pthread_mutex_t mtx;
pthread_cond_t cond;
setup_func_t do_setup;
transfer_func_t do_transfer;
};
/*
* HDA Audio Context module function declarations
*/
static void *hda_audio_ctxt_thr(void *arg);
static int hda_audio_ctxt_init(struct hda_audio_ctxt *actx, const char *tname,
transfer_func_t do_transfer, setup_func_t do_setup, void *priv);
static int hda_audio_ctxt_start(struct hda_audio_ctxt *actx);
static int hda_audio_ctxt_stop(struct hda_audio_ctxt *actx);
/*
* HDA Codec data structures
*/
struct hda_codec_softc;
typedef uint32_t (*verb_func_t)(struct hda_codec_softc *sc, uint16_t verb,
uint16_t payload);
struct hda_codec_stream {
uint8_t buf[HDA_CODEC_BUF_SIZE];
uint8_t channel;
uint16_t fmt;
uint8_t stream;
uint8_t left_gain;
uint8_t right_gain;
uint8_t left_mute;
uint8_t right_mute;
struct audio *aud;
struct hda_audio_ctxt actx;
};
struct hda_codec_softc {
uint32_t no_nodes;
uint32_t subsystem_id;
const uint32_t (*get_parameters)[HDA_CODEC_PARAMS_COUNT];
const uint8_t (*conn_list)[HDA_CODEC_CONN_LIST_COUNT];
const uint32_t *conf_default;
const uint8_t *pin_ctrl_default;
const verb_func_t *verb_handlers;
struct hda_codec_inst *hci;
struct hda_codec_stream streams[HDA_CODEC_STREAMS_COUNT];
};
/*
* HDA Codec module function declarations
*/
static int hda_codec_init(struct hda_codec_inst *hci, const char *play,
const char *rec, const char *opts);
static int hda_codec_reset(struct hda_codec_inst *hci);
static int hda_codec_command(struct hda_codec_inst *hci, uint32_t cmd_data);
static int hda_codec_notify(struct hda_codec_inst *hci, uint8_t run,
uint8_t stream, uint8_t dir);
static int hda_codec_parse_format(uint16_t fmt, struct audio_params *params);
static uint32_t hda_codec_audio_output_nid(struct hda_codec_softc *sc,
uint16_t verb, uint16_t payload);
static void hda_codec_audio_output_do_transfer(void *arg);
static int hda_codec_audio_output_do_setup(void *arg);
static uint32_t hda_codec_audio_input_nid(struct hda_codec_softc *sc,
uint16_t verb, uint16_t payload);
static void hda_codec_audio_input_do_transfer(void *arg);
static int hda_codec_audio_input_do_setup(void *arg);
static uint32_t hda_codec_audio_inout_nid(struct hda_codec_stream *st,
uint16_t verb, uint16_t payload);
/*
* HDA Codec global data
*/
#define HDA_CODEC_ROOT_DESC \
[HDA_CODEC_ROOT_NID] = { \
[HDA_PARAM_VENDOR_ID] = INTEL_VENDORID, \
[HDA_PARAM_REVISION_ID] = 0xffff, \
/* 1 Subnode, StartNid = 1 */ \
[HDA_PARAM_SUB_NODE_COUNT] = 0x00010001, \
}, \
#define HDA_CODEC_FG_COMMON_DESC \
[HDA_PARAM_FCT_GRP_TYPE] = HDA_PARAM_FCT_GRP_TYPE_NODE_TYPE_AUDIO,\
/* B8 - B32, 8.0 - 192.0kHz */ \
[HDA_PARAM_SUPP_PCM_SIZE_RATE] = (0x1f << 16) | 0x7ff, \
[HDA_PARAM_SUPP_STREAM_FORMATS] = HDA_CODEC_SUPP_STREAM_FORMATS_PCM,\
[HDA_PARAM_INPUT_AMP_CAP] = 0x00, /* None */ \
[HDA_PARAM_OUTPUT_AMP_CAP] = 0x00, /* None */ \
[HDA_PARAM_GPIO_COUNT] = 0x00, \
#define HDA_CODEC_FG_OUTPUT_DESC \
[HDA_CODEC_FG_NID] = { \
/* 2 Subnodes, StartNid = 2 */ \
[HDA_PARAM_SUB_NODE_COUNT] = 0x00020002, \
HDA_CODEC_FG_COMMON_DESC \
}, \
#define HDA_CODEC_FG_INPUT_DESC \
[HDA_CODEC_FG_NID] = { \
/* 2 Subnodes, StartNid = 4 */ \
[HDA_PARAM_SUB_NODE_COUNT] = 0x00040002, \
HDA_CODEC_FG_COMMON_DESC \
}, \
#define HDA_CODEC_FG_DUPLEX_DESC \
[HDA_CODEC_FG_NID] = { \
/* 4 Subnodes, StartNid = 2 */ \
[HDA_PARAM_SUB_NODE_COUNT] = 0x00020004, \
HDA_CODEC_FG_COMMON_DESC \
}, \
#define HDA_CODEC_OUTPUT_DESC \
[HDA_CODEC_AUDIO_OUTPUT_NID] = { \
[HDA_PARAM_AUDIO_WIDGET_CAP] = \
HDA_CODEC_AUDIO_WCAP_OUTPUT | \
HDA_CODEC_AUDIO_WCAP_FORMAT_OVR | \
HDA_CODEC_AUDIO_WCAP_AMP_OVR | \
HDA_CODEC_AUDIO_WCAP_OUT_AMP | \
HDA_CODEC_AUDIO_WCAP_STEREO, \
/* B16, 16.0 - 192.0kHz */ \
[HDA_PARAM_SUPP_PCM_SIZE_RATE] = (0x02 << 16) | 0x7fc, \
[HDA_PARAM_SUPP_STREAM_FORMATS] = \
HDA_CODEC_SUPP_STREAM_FORMATS_PCM, \
[HDA_PARAM_INPUT_AMP_CAP] = 0x00, /* None */ \
[HDA_PARAM_CONN_LIST_LENGTH] = 0x00, \
[HDA_PARAM_OUTPUT_AMP_CAP] = \
HDA_CODEC_OUTPUT_AMP_CAP_MUTE_CAP | \
HDA_CODEC_OUTPUT_AMP_CAP_STEPSIZE | \
HDA_CODEC_OUTPUT_AMP_CAP_NUMSTEPS | \
HDA_CODEC_OUTPUT_AMP_CAP_OFFSET, \
}, \
[HDA_CODEC_PIN_OUTPUT_NID] = { \
[HDA_PARAM_AUDIO_WIDGET_CAP] = \
HDA_CODEC_AUDIO_WCAP_PIN | \
HDA_CODEC_AUDIO_WCAP_CONN_LIST | \
HDA_CODEC_AUDIO_WCAP_STEREO, \
[HDA_PARAM_PIN_CAP] = HDA_CODEC_PIN_CAP_OUTPUT | \
HDA_CODEC_PIN_CAP_PRESENCE_DETECT,\
[HDA_PARAM_INPUT_AMP_CAP] = 0x00, /* None */ \
[HDA_PARAM_CONN_LIST_LENGTH] = 0x01, \
[HDA_PARAM_OUTPUT_AMP_CAP] = 0x00, /* None */ \
}, \
#define HDA_CODEC_INPUT_DESC \
[HDA_CODEC_AUDIO_INPUT_NID] = { \
[HDA_PARAM_AUDIO_WIDGET_CAP] = \
HDA_CODEC_AUDIO_WCAP_INPUT | \
HDA_CODEC_AUDIO_WCAP_CONN_LIST | \
HDA_CODEC_AUDIO_WCAP_FORMAT_OVR | \
HDA_CODEC_AUDIO_WCAP_AMP_OVR | \
HDA_CODEC_AUDIO_WCAP_IN_AMP | \
HDA_CODEC_AUDIO_WCAP_STEREO, \
/* B16, 16.0 - 192.0kHz */ \
[HDA_PARAM_SUPP_PCM_SIZE_RATE] = (0x02 << 16) | 0x7fc, \
[HDA_PARAM_SUPP_STREAM_FORMATS] = \
HDA_CODEC_SUPP_STREAM_FORMATS_PCM, \
[HDA_PARAM_OUTPUT_AMP_CAP] = 0x00, /* None */ \
[HDA_PARAM_CONN_LIST_LENGTH] = 0x01, \
[HDA_PARAM_INPUT_AMP_CAP] = \
HDA_CODEC_OUTPUT_AMP_CAP_MUTE_CAP | \
HDA_CODEC_OUTPUT_AMP_CAP_STEPSIZE | \
HDA_CODEC_OUTPUT_AMP_CAP_NUMSTEPS | \
HDA_CODEC_OUTPUT_AMP_CAP_OFFSET, \
}, \
[HDA_CODEC_PIN_INPUT_NID] = { \
[HDA_PARAM_AUDIO_WIDGET_CAP] = \
HDA_CODEC_AUDIO_WCAP_PIN | \
HDA_CODEC_AUDIO_WCAP_STEREO, \
[HDA_PARAM_PIN_CAP] = HDA_CODEC_PIN_CAP_INPUT | \
HDA_CODEC_PIN_CAP_PRESENCE_DETECT, \
[HDA_PARAM_INPUT_AMP_CAP] = 0x00, /* None */ \
[HDA_PARAM_OUTPUT_AMP_CAP] = 0x00, /* None */ \
}, \
static const uint32_t
hda_codec_output_parameters[][HDA_CODEC_PARAMS_COUNT] = {
HDA_CODEC_ROOT_DESC
HDA_CODEC_FG_OUTPUT_DESC
HDA_CODEC_OUTPUT_DESC
};
static const uint32_t
hda_codec_input_parameters[][HDA_CODEC_PARAMS_COUNT] = {
HDA_CODEC_ROOT_DESC
HDA_CODEC_FG_INPUT_DESC
HDA_CODEC_INPUT_DESC
};
static const uint32_t
hda_codec_duplex_parameters[][HDA_CODEC_PARAMS_COUNT] = {
HDA_CODEC_ROOT_DESC
HDA_CODEC_FG_DUPLEX_DESC
HDA_CODEC_OUTPUT_DESC
HDA_CODEC_INPUT_DESC
};
#define HDA_CODEC_NODES_COUNT (ARRAY_SIZE(hda_codec_duplex_parameters))
static const uint8_t
hda_codec_conn_list[HDA_CODEC_NODES_COUNT][HDA_CODEC_CONN_LIST_COUNT] = {
[HDA_CODEC_PIN_OUTPUT_NID] = {HDA_CODEC_AUDIO_OUTPUT_NID},
[HDA_CODEC_AUDIO_INPUT_NID] = {HDA_CODEC_PIN_INPUT_NID},
};
static const uint32_t
hda_codec_conf_default[HDA_CODEC_NODES_COUNT] = {
[HDA_CODEC_PIN_OUTPUT_NID] = \
HDA_CONFIG_DEFAULTCONF_CONNECTIVITY_JACK |
HDA_CONFIG_DEFAULTCONF_DEVICE_LINE_OUT |
HDA_CONFIG_DEFAULTCONF_COLOR_BLACK |
(0x01 << HDA_CONFIG_DEFAULTCONF_ASSOCIATION_SHIFT),
[HDA_CODEC_PIN_INPUT_NID] = HDA_CONFIG_DEFAULTCONF_CONNECTIVITY_JACK |
HDA_CONFIG_DEFAULTCONF_DEVICE_LINE_IN |
HDA_CONFIG_DEFAULTCONF_COLOR_RED |
(0x02 << HDA_CONFIG_DEFAULTCONF_ASSOCIATION_SHIFT),
};
static const uint8_t
hda_codec_pin_ctrl_default[HDA_CODEC_NODES_COUNT] = {
[HDA_CODEC_PIN_OUTPUT_NID] = HDA_CODEC_PIN_WIDGET_CTRL_OUT_ENABLE,
[HDA_CODEC_PIN_INPUT_NID] = HDA_CODEC_PIN_WIDGET_CTRL_IN_ENABLE,
};
static const
verb_func_t hda_codec_verb_handlers[HDA_CODEC_NODES_COUNT] = {
[HDA_CODEC_AUDIO_OUTPUT_NID] = hda_codec_audio_output_nid,
[HDA_CODEC_AUDIO_INPUT_NID] = hda_codec_audio_input_nid,
};
/*
* HDA Codec module function definitions
*/
static int
hda_codec_init(struct hda_codec_inst *hci, const char *play,
const char *rec, const char *opts)
{
struct hda_codec_softc *sc = NULL;
struct hda_codec_stream *st = NULL;
int err;
if (!(play || rec))
return (-1);
DPRINTF("cad: 0x%x opts: %s\n", hci->cad, opts);
sc = calloc(1, sizeof(*sc));
if (!sc)
return (-1);
if (play && rec)
sc->get_parameters = hda_codec_duplex_parameters;
else {
if (play)
sc->get_parameters = hda_codec_output_parameters;
else
sc->get_parameters = hda_codec_input_parameters;
}
sc->subsystem_id = HDA_CODEC_SUBSYSTEM_ID;
sc->no_nodes = HDA_CODEC_NODES_COUNT;
sc->conn_list = hda_codec_conn_list;
sc->conf_default = hda_codec_conf_default;
sc->pin_ctrl_default = hda_codec_pin_ctrl_default;
sc->verb_handlers = hda_codec_verb_handlers;
DPRINTF("HDA Codec nodes: %d\n", sc->no_nodes);
/*
* Initialize the Audio Output stream
*/
if (play) {
st = &sc->streams[HDA_CODEC_STREAM_OUTPUT];
err = hda_audio_ctxt_init(&st->actx, "hda-audio-output",
hda_codec_audio_output_do_transfer,
hda_codec_audio_output_do_setup, sc);
assert(!err);
st->aud = audio_init(play, 1);
if (!st->aud) {
DPRINTF("Fail to init the output audio player\n");
return (-1);
}
}
/*
* Initialize the Audio Input stream
*/
if (rec) {
st = &sc->streams[HDA_CODEC_STREAM_INPUT];
err = hda_audio_ctxt_init(&st->actx, "hda-audio-input",
hda_codec_audio_input_do_transfer,
hda_codec_audio_input_do_setup, sc);
assert(!err);
st->aud = audio_init(rec, 0);
if (!st->aud) {
DPRINTF("Fail to init the input audio player\n");
return (-1);
}
}
sc->hci = hci;
hci->priv = sc;
return (0);
}
static int
hda_codec_reset(struct hda_codec_inst *hci)
{
struct hda_ops *hops = NULL;
struct hda_codec_softc *sc = NULL;
struct hda_codec_stream *st = NULL;
int i;
assert(hci);
hops = hci->hops;
assert(hops);
sc = (struct hda_codec_softc *)hci->priv;
assert(sc);
for (i = 0; i < HDA_CODEC_STREAMS_COUNT; i++) {
st = &sc->streams[i];
st->left_gain = HDA_CODEC_AMP_NUMSTEPS;
st->right_gain = HDA_CODEC_AMP_NUMSTEPS;
st->left_mute = HDA_CODEC_SET_AMP_GAIN_MUTE_MUTE;
st->right_mute = HDA_CODEC_SET_AMP_GAIN_MUTE_MUTE;
}
DPRINTF("cad: 0x%x\n", hci->cad);
if (!hops->signal) {
DPRINTF("The controller ops does not implement \
the signal function\n");
return (-1);
}
return (hops->signal(hci));
}
static int
hda_codec_command(struct hda_codec_inst *hci, uint32_t cmd_data)
{
struct hda_codec_softc *sc = NULL;
struct hda_ops *hops = NULL;
uint8_t cad = 0, nid = 0;
uint16_t verb = 0, payload = 0;
uint32_t res = 0;
/* 4 bits */
cad = (cmd_data >> HDA_CMD_CAD_SHIFT) & 0x0f;
/* 8 bits */
nid = (cmd_data >> HDA_CMD_NID_SHIFT) & 0xff;
if ((cmd_data & 0x70000) == 0x70000) {
/* 12 bits */
verb = (cmd_data >> HDA_CMD_VERB_12BIT_SHIFT) & 0x0fff;
/* 8 bits */
payload = cmd_data & 0xff;
} else {
/* 4 bits */
verb = (cmd_data >> HDA_CMD_VERB_4BIT_SHIFT) & 0x0f;
/* 16 bits */
payload = cmd_data & 0xffff;
}
assert(cad == hci->cad);
assert(hci);
hops = hci->hops;
assert(hops);
sc = (struct hda_codec_softc *)hci->priv;
assert(sc);
assert(nid < sc->no_nodes);
if (!hops->response) {
DPRINTF("The controller ops does not implement \
the response function\n");
return (-1);
}
switch (verb) {
case HDA_CMD_VERB_GET_PARAMETER:
res = sc->get_parameters[nid][payload];
break;
case HDA_CMD_VERB_GET_CONN_LIST_ENTRY:
res = sc->conn_list[nid][0];
break;
case HDA_CMD_VERB_GET_PIN_WIDGET_CTRL:
res = sc->pin_ctrl_default[nid];
break;
case HDA_CMD_VERB_GET_PIN_SENSE:
res = HDA_CODEC_PIN_SENSE_PRESENCE_PLUGGED;
break;
case HDA_CMD_VERB_GET_CONFIGURATION_DEFAULT:
res = sc->conf_default[nid];
break;
case HDA_CMD_VERB_GET_SUBSYSTEM_ID:
res = sc->subsystem_id;
break;
default:
assert(sc->verb_handlers);
if (sc->verb_handlers[nid])
res = sc->verb_handlers[nid](sc, verb, payload);
else
DPRINTF("Unknown VERB: 0x%x\n", verb);
break;
}
DPRINTF("cad: 0x%x nid: 0x%x verb: 0x%x payload: 0x%x response: 0x%x\n",
cad, nid, verb, payload, res);
return (hops->response(hci, res, HDA_CODEC_RESPONSE_EX_SOL));
}
static int
hda_codec_notify(struct hda_codec_inst *hci, uint8_t run,
uint8_t stream, uint8_t dir)
{
struct hda_codec_softc *sc = NULL;
struct hda_codec_stream *st = NULL;
struct hda_audio_ctxt *actx = NULL;
int i;
int err;
assert(hci);
assert(stream);
sc = (struct hda_codec_softc *)hci->priv;
assert(sc);
i = dir ? HDA_CODEC_STREAM_OUTPUT : HDA_CODEC_STREAM_INPUT;
st = &sc->streams[i];
DPRINTF("run: %d, stream: 0x%x, st->stream: 0x%x dir: %d\n",
run, stream, st->stream, dir);
if (stream != st->stream) {
DPRINTF("Stream not found\n");
return (0);
}
actx = &st->actx;
if (run)
err = hda_audio_ctxt_start(actx);
else
err = hda_audio_ctxt_stop(actx);
return (err);
}
static int
hda_codec_parse_format(uint16_t fmt, struct audio_params *params)
{
uint8_t div = 0;
assert(params);
/* Compute the Sample Rate */
params->rate = (fmt & HDA_CODEC_FMT_BASE_MASK) ? 44100 : 48000;
switch (fmt & HDA_CODEC_FMT_MULT_MASK) {
case HDA_CODEC_FMT_MULT_2:
params->rate *= 2;
break;
case HDA_CODEC_FMT_MULT_3:
params->rate *= 3;
break;
case HDA_CODEC_FMT_MULT_4:
params->rate *= 4;
break;
}
div = (fmt >> HDA_CODEC_FMT_DIV_SHIFT) & HDA_CODEC_FMT_DIV_MASK;
params->rate /= (div + 1);
/* Compute the Bits per Sample */
switch (fmt & HDA_CODEC_FMT_BITS_MASK) {
case HDA_CODEC_FMT_BITS_8:
params->format = AFMT_U8;
break;
case HDA_CODEC_FMT_BITS_16:
params->format = AFMT_S16_LE;
break;
case HDA_CODEC_FMT_BITS_24:
params->format = AFMT_S24_LE;
break;
case HDA_CODEC_FMT_BITS_32:
params->format = AFMT_S32_LE;
break;
default:
DPRINTF("Unknown format bits: 0x%x\n",
fmt & HDA_CODEC_FMT_BITS_MASK);
return (-1);
}
/* Compute the Number of Channels */
params->channels = (fmt & HDA_CODEC_FMT_CHAN_MASK) + 1;
return (0);
}
static uint32_t
hda_codec_audio_output_nid(struct hda_codec_softc *sc, uint16_t verb,
uint16_t payload)
{
struct hda_codec_stream *st = &sc->streams[HDA_CODEC_STREAM_OUTPUT];
int res;
res = hda_codec_audio_inout_nid(st, verb, payload);
return (res);
}
static void
hda_codec_audio_output_do_transfer(void *arg)
{
struct hda_codec_softc *sc = (struct hda_codec_softc *)arg;
struct hda_codec_inst *hci = NULL;
struct hda_ops *hops = NULL;
struct hda_codec_stream *st = NULL;
struct audio *aud = NULL;
int err;
hci = sc->hci;
assert(hci);
hops = hci->hops;
assert(hops);
st = &sc->streams[HDA_CODEC_STREAM_OUTPUT];
aud = st->aud;
err = hops->transfer(hci, st->stream, 1, st->buf, sizeof(st->buf));
if (err)
return;
err = audio_playback(aud, st->buf, sizeof(st->buf));
assert(!err);
}
static int
hda_codec_audio_output_do_setup(void *arg)
{
struct hda_codec_softc *sc = (struct hda_codec_softc *)arg;
struct hda_codec_stream *st = NULL;
struct audio *aud = NULL;
struct audio_params params;
int err;
st = &sc->streams[HDA_CODEC_STREAM_OUTPUT];
aud = st->aud;
err = hda_codec_parse_format(st->fmt, &params);
if (err)
return (-1);
DPRINTF("rate: %d, channels: %d, format: 0x%x\n",
params.rate, params.channels, params.format);
return (audio_set_params(aud, &params));
}
static uint32_t
hda_codec_audio_input_nid(struct hda_codec_softc *sc, uint16_t verb,
uint16_t payload)
{
struct hda_codec_stream *st = &sc->streams[HDA_CODEC_STREAM_INPUT];
int res;
res = hda_codec_audio_inout_nid(st, verb, payload);
return (res);
}
static void
hda_codec_audio_input_do_transfer(void *arg)
{
struct hda_codec_softc *sc = (struct hda_codec_softc *)arg;
struct hda_codec_inst *hci = NULL;
struct hda_ops *hops = NULL;
struct hda_codec_stream *st = NULL;
struct audio *aud = NULL;
int err;
hci = sc->hci;
assert(hci);
hops = hci->hops;
assert(hops);
st = &sc->streams[HDA_CODEC_STREAM_INPUT];
aud = st->aud;
err = audio_record(aud, st->buf, sizeof(st->buf));
assert(!err);
hops->transfer(hci, st->stream, 0, st->buf, sizeof(st->buf));
}
static int
hda_codec_audio_input_do_setup(void *arg)
{
struct hda_codec_softc *sc = (struct hda_codec_softc *)arg;
struct hda_codec_stream *st = NULL;
struct audio *aud = NULL;
struct audio_params params;
int err;
st = &sc->streams[HDA_CODEC_STREAM_INPUT];
aud = st->aud;
err = hda_codec_parse_format(st->fmt, &params);
if (err)
return (-1);
DPRINTF("rate: %d, channels: %d, format: 0x%x\n",
params.rate, params.channels, params.format);
return (audio_set_params(aud, &params));
}
static uint32_t
hda_codec_audio_inout_nid(struct hda_codec_stream *st, uint16_t verb,
uint16_t payload)
{
uint32_t res = 0;
uint8_t mute = 0;
uint8_t gain = 0;
DPRINTF("%s verb: 0x%x, payload, 0x%x\n", st->actx.name, verb, payload);
switch (verb) {
case HDA_CMD_VERB_GET_CONV_FMT:
res = st->fmt;
break;
case HDA_CMD_VERB_SET_CONV_FMT:
st->fmt = payload;
break;
case HDA_CMD_VERB_GET_AMP_GAIN_MUTE:
if (payload & HDA_CMD_GET_AMP_GAIN_MUTE_LEFT) {
res = st->left_gain | st->left_mute;
DPRINTF("GET_AMP_GAIN_MUTE_LEFT: 0x%x\n", res);
} else {
res = st->right_gain | st->right_mute;
DPRINTF("GET_AMP_GAIN_MUTE_RIGHT: 0x%x\n", res);
}
break;
case HDA_CMD_VERB_SET_AMP_GAIN_MUTE:
mute = payload & HDA_CODEC_SET_AMP_GAIN_MUTE_MUTE;
gain = payload & HDA_CODEC_SET_AMP_GAIN_MUTE_GAIN_MASK;
if (payload & HDA_CMD_SET_AMP_GAIN_MUTE_LEFT) {
st->left_mute = mute;
st->left_gain = gain;
DPRINTF("SET_AMP_GAIN_MUTE_LEFT: \
mute: 0x%x gain: 0x%x\n", mute, gain);
}
if (payload & HDA_CMD_SET_AMP_GAIN_MUTE_RIGHT) {
st->right_mute = mute;
st->right_gain = gain;
DPRINTF("SET_AMP_GAIN_MUTE_RIGHT: \
mute: 0x%x gain: 0x%x\n", mute, gain);
}
break;
case HDA_CMD_VERB_GET_CONV_STREAM_CHAN:
res = (st->stream << 4) | st->channel;
break;
case HDA_CMD_VERB_SET_CONV_STREAM_CHAN:
st->channel = payload & 0x0f;
st->stream = (payload >> 4) & 0x0f;
DPRINTF("st->channel: 0x%x st->stream: 0x%x\n",
st->channel, st->stream);
if (!st->stream)
hda_audio_ctxt_stop(&st->actx);
break;
default:
DPRINTF("Unknown VERB: 0x%x\n", verb);
break;
}
return (res);
}
struct hda_codec_class hda_codec = {
.name = "hda_codec",
.init = hda_codec_init,
.reset = hda_codec_reset,
.command = hda_codec_command,
.notify = hda_codec_notify,
};
HDA_EMUL_SET(hda_codec);
/*
* HDA Audio Context module function definitions
*/
static void *
hda_audio_ctxt_thr(void *arg)
{
struct hda_audio_ctxt *actx = arg;
DPRINTF("Start Thread: %s\n", actx->name);
pthread_mutex_lock(&actx->mtx);
while (1) {
while (!actx->run)
pthread_cond_wait(&actx->cond, &actx->mtx);
actx->do_transfer(actx->priv);
}
pthread_mutex_unlock(&actx->mtx);
pthread_exit(NULL);
return (NULL);
}
static int
hda_audio_ctxt_init(struct hda_audio_ctxt *actx, const char *tname,
transfer_func_t do_transfer, setup_func_t do_setup, void *priv)
{
int err;
assert(actx);
assert(tname);
assert(do_transfer);
assert(do_setup);
assert(priv);
memset(actx, 0, sizeof(*actx));
actx->run = 0;
actx->do_transfer = do_transfer;
actx->do_setup = do_setup;
actx->priv = priv;
if (strlen(tname) < sizeof(actx->name))
memcpy(actx->name, tname, strlen(tname) + 1);
else
strcpy(actx->name, "unknown");
err = pthread_mutex_init(&actx->mtx, NULL);
assert(!err);
err = pthread_cond_init(&actx->cond, NULL);
assert(!err);
err = pthread_create(&actx->tid, NULL, hda_audio_ctxt_thr, actx);
assert(!err);
pthread_set_name_np(actx->tid, tname);
actx->started = 1;
return (0);
}
static int
hda_audio_ctxt_start(struct hda_audio_ctxt *actx)
{
int err = 0;
assert(actx);
assert(actx->started);
/* The stream is supposed to be stopped */
if (actx->run)
return (-1);
pthread_mutex_lock(&actx->mtx);
err = (* actx->do_setup)(actx->priv);
if (!err) {
actx->run = 1;
pthread_cond_signal(&actx->cond);
}
pthread_mutex_unlock(&actx->mtx);
return (err);
}
static int
hda_audio_ctxt_stop(struct hda_audio_ctxt *actx)
{
actx->run = 0;
return (0);
}