3940 lines
106 KiB
C
3940 lines
106 KiB
C
/*
|
|
* Universal Interface for Intel High Definition Audio Codec
|
|
*
|
|
* Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
|
|
*
|
|
*
|
|
* This driver is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This driver is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/module.h>
|
|
#include <linux/pm.h>
|
|
#include <linux/pm_runtime.h>
|
|
#include <sound/core.h>
|
|
#include "hda_codec.h"
|
|
#include <sound/asoundef.h>
|
|
#include <sound/tlv.h>
|
|
#include <sound/initval.h>
|
|
#include <sound/jack.h>
|
|
#include "hda_local.h"
|
|
#include "hda_beep.h"
|
|
#include "hda_jack.h"
|
|
#include <sound/hda_hwdep.h>
|
|
|
|
#ifdef CONFIG_PM
|
|
#define codec_in_pm(codec) atomic_read(&(codec)->core.in_pm)
|
|
#define hda_codec_is_power_on(codec) \
|
|
(!pm_runtime_suspended(hda_codec_dev(codec)))
|
|
#else
|
|
#define codec_in_pm(codec) 0
|
|
#define hda_codec_is_power_on(codec) 1
|
|
#endif
|
|
|
|
#define codec_has_epss(codec) \
|
|
((codec)->core.power_caps & AC_PWRST_EPSS)
|
|
#define codec_has_clkstop(codec) \
|
|
((codec)->core.power_caps & AC_PWRST_CLKSTOP)
|
|
|
|
/*
|
|
* Send and receive a verb - passed to exec_verb override for hdac_device
|
|
*/
|
|
static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd,
|
|
unsigned int flags, unsigned int *res)
|
|
{
|
|
struct hda_codec *codec = container_of(dev, struct hda_codec, core);
|
|
struct hda_bus *bus = codec->bus;
|
|
int err;
|
|
|
|
if (cmd == ~0)
|
|
return -1;
|
|
|
|
again:
|
|
snd_hda_power_up_pm(codec);
|
|
mutex_lock(&bus->core.cmd_mutex);
|
|
if (flags & HDA_RW_NO_RESPONSE_FALLBACK)
|
|
bus->no_response_fallback = 1;
|
|
err = snd_hdac_bus_exec_verb_unlocked(&bus->core, codec->core.addr,
|
|
cmd, res);
|
|
bus->no_response_fallback = 0;
|
|
mutex_unlock(&bus->core.cmd_mutex);
|
|
snd_hda_power_down_pm(codec);
|
|
if (!codec_in_pm(codec) && res && err == -EAGAIN) {
|
|
if (bus->response_reset) {
|
|
codec_dbg(codec,
|
|
"resetting BUS due to fatal communication error\n");
|
|
snd_hda_bus_reset(bus);
|
|
}
|
|
goto again;
|
|
}
|
|
/* clear reset-flag when the communication gets recovered */
|
|
if (!err || codec_in_pm(codec))
|
|
bus->response_reset = 0;
|
|
return err;
|
|
}
|
|
|
|
/**
|
|
* snd_hda_sequence_write - sequence writes
|
|
* @codec: the HDA codec
|
|
* @seq: VERB array to send
|
|
*
|
|
* Send the commands sequentially from the given array.
|
|
* The array must be terminated with NID=0.
|
|
*/
|
|
void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
|
|
{
|
|
for (; seq->nid; seq++)
|
|
snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_sequence_write);
|
|
|
|
/* connection list element */
|
|
struct hda_conn_list {
|
|
struct list_head list;
|
|
int len;
|
|
hda_nid_t nid;
|
|
hda_nid_t conns[0];
|
|
};
|
|
|
|
/* look up the cached results */
|
|
static struct hda_conn_list *
|
|
lookup_conn_list(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
struct hda_conn_list *p;
|
|
list_for_each_entry(p, &codec->conn_list, list) {
|
|
if (p->nid == nid)
|
|
return p;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
|
|
const hda_nid_t *list)
|
|
{
|
|
struct hda_conn_list *p;
|
|
|
|
p = kmalloc(sizeof(*p) + len * sizeof(hda_nid_t), GFP_KERNEL);
|
|
if (!p)
|
|
return -ENOMEM;
|
|
p->len = len;
|
|
p->nid = nid;
|
|
memcpy(p->conns, list, len * sizeof(hda_nid_t));
|
|
list_add(&p->list, &codec->conn_list);
|
|
return 0;
|
|
}
|
|
|
|
static void remove_conn_list(struct hda_codec *codec)
|
|
{
|
|
while (!list_empty(&codec->conn_list)) {
|
|
struct hda_conn_list *p;
|
|
p = list_first_entry(&codec->conn_list, typeof(*p), list);
|
|
list_del(&p->list);
|
|
kfree(p);
|
|
}
|
|
}
|
|
|
|
/* read the connection and add to the cache */
|
|
static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
hda_nid_t list[32];
|
|
hda_nid_t *result = list;
|
|
int len;
|
|
|
|
len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list));
|
|
if (len == -ENOSPC) {
|
|
len = snd_hda_get_num_raw_conns(codec, nid);
|
|
result = kmalloc(sizeof(hda_nid_t) * len, GFP_KERNEL);
|
|
if (!result)
|
|
return -ENOMEM;
|
|
len = snd_hda_get_raw_connections(codec, nid, result, len);
|
|
}
|
|
if (len >= 0)
|
|
len = snd_hda_override_conn_list(codec, nid, len, result);
|
|
if (result != list)
|
|
kfree(result);
|
|
return len;
|
|
}
|
|
|
|
/**
|
|
* snd_hda_get_conn_list - get connection list
|
|
* @codec: the HDA codec
|
|
* @nid: NID to parse
|
|
* @listp: the pointer to store NID list
|
|
*
|
|
* Parses the connection list of the given widget and stores the pointer
|
|
* to the list of NIDs.
|
|
*
|
|
* Returns the number of connections, or a negative error code.
|
|
*
|
|
* Note that the returned pointer isn't protected against the list
|
|
* modification. If snd_hda_override_conn_list() might be called
|
|
* concurrently, protect with a mutex appropriately.
|
|
*/
|
|
int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
|
|
const hda_nid_t **listp)
|
|
{
|
|
bool added = false;
|
|
|
|
for (;;) {
|
|
int err;
|
|
const struct hda_conn_list *p;
|
|
|
|
/* if the connection-list is already cached, read it */
|
|
p = lookup_conn_list(codec, nid);
|
|
if (p) {
|
|
if (listp)
|
|
*listp = p->conns;
|
|
return p->len;
|
|
}
|
|
if (snd_BUG_ON(added))
|
|
return -EINVAL;
|
|
|
|
err = read_and_add_raw_conns(codec, nid);
|
|
if (err < 0)
|
|
return err;
|
|
added = true;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_get_conn_list);
|
|
|
|
/**
|
|
* snd_hda_get_connections - copy connection list
|
|
* @codec: the HDA codec
|
|
* @nid: NID to parse
|
|
* @conn_list: connection list array; when NULL, checks only the size
|
|
* @max_conns: max. number of connections to store
|
|
*
|
|
* Parses the connection list of the given widget and stores the list
|
|
* of NIDs.
|
|
*
|
|
* Returns the number of connections, or a negative error code.
|
|
*/
|
|
int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
|
|
hda_nid_t *conn_list, int max_conns)
|
|
{
|
|
const hda_nid_t *list;
|
|
int len = snd_hda_get_conn_list(codec, nid, &list);
|
|
|
|
if (len > 0 && conn_list) {
|
|
if (len > max_conns) {
|
|
codec_err(codec, "Too many connections %d for NID 0x%x\n",
|
|
len, nid);
|
|
return -EINVAL;
|
|
}
|
|
memcpy(conn_list, list, len * sizeof(hda_nid_t));
|
|
}
|
|
|
|
return len;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_get_connections);
|
|
|
|
/**
|
|
* snd_hda_override_conn_list - add/modify the connection-list to cache
|
|
* @codec: the HDA codec
|
|
* @nid: NID to parse
|
|
* @len: number of connection list entries
|
|
* @list: the list of connection entries
|
|
*
|
|
* Add or modify the given connection-list to the cache. If the corresponding
|
|
* cache already exists, invalidate it and append a new one.
|
|
*
|
|
* Returns zero or a negative error code.
|
|
*/
|
|
int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
|
|
const hda_nid_t *list)
|
|
{
|
|
struct hda_conn_list *p;
|
|
|
|
p = lookup_conn_list(codec, nid);
|
|
if (p) {
|
|
list_del(&p->list);
|
|
kfree(p);
|
|
}
|
|
|
|
return add_conn_list(codec, nid, len, list);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_override_conn_list);
|
|
|
|
/**
|
|
* snd_hda_get_conn_index - get the connection index of the given NID
|
|
* @codec: the HDA codec
|
|
* @mux: NID containing the list
|
|
* @nid: NID to select
|
|
* @recursive: 1 when searching NID recursively, otherwise 0
|
|
*
|
|
* Parses the connection list of the widget @mux and checks whether the
|
|
* widget @nid is present. If it is, return the connection index.
|
|
* Otherwise it returns -1.
|
|
*/
|
|
int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
|
|
hda_nid_t nid, int recursive)
|
|
{
|
|
const hda_nid_t *conn;
|
|
int i, nums;
|
|
|
|
nums = snd_hda_get_conn_list(codec, mux, &conn);
|
|
for (i = 0; i < nums; i++)
|
|
if (conn[i] == nid)
|
|
return i;
|
|
if (!recursive)
|
|
return -1;
|
|
if (recursive > 10) {
|
|
codec_dbg(codec, "too deep connection for 0x%x\n", nid);
|
|
return -1;
|
|
}
|
|
recursive++;
|
|
for (i = 0; i < nums; i++) {
|
|
unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i]));
|
|
if (type == AC_WID_PIN || type == AC_WID_AUD_OUT)
|
|
continue;
|
|
if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0)
|
|
return i;
|
|
}
|
|
return -1;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_get_conn_index);
|
|
|
|
/**
|
|
* snd_hda_get_num_devices - get DEVLIST_LEN parameter of the given widget
|
|
* @codec: the HDA codec
|
|
* @nid: NID of the pin to parse
|
|
*
|
|
* Get the device entry number on the given widget. This is a feature of
|
|
* DP MST audio. Each pin can have several device entries in it.
|
|
*/
|
|
unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
unsigned int wcaps = get_wcaps(codec, nid);
|
|
unsigned int parm;
|
|
|
|
if (!codec->dp_mst || !(wcaps & AC_WCAP_DIGITAL) ||
|
|
get_wcaps_type(wcaps) != AC_WID_PIN)
|
|
return 0;
|
|
|
|
parm = snd_hdac_read_parm_uncached(&codec->core, nid, AC_PAR_DEVLIST_LEN);
|
|
if (parm == -1)
|
|
parm = 0;
|
|
return parm & AC_DEV_LIST_LEN_MASK;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_get_num_devices);
|
|
|
|
/**
|
|
* snd_hda_get_devices - copy device list without cache
|
|
* @codec: the HDA codec
|
|
* @nid: NID of the pin to parse
|
|
* @dev_list: device list array
|
|
* @max_devices: max. number of devices to store
|
|
*
|
|
* Copy the device list. This info is dynamic and so not cached.
|
|
* Currently called only from hda_proc.c, so not exported.
|
|
*/
|
|
int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
|
|
u8 *dev_list, int max_devices)
|
|
{
|
|
unsigned int parm;
|
|
int i, dev_len, devices;
|
|
|
|
parm = snd_hda_get_num_devices(codec, nid);
|
|
if (!parm) /* not multi-stream capable */
|
|
return 0;
|
|
|
|
dev_len = parm + 1;
|
|
dev_len = dev_len < max_devices ? dev_len : max_devices;
|
|
|
|
devices = 0;
|
|
while (devices < dev_len) {
|
|
if (snd_hdac_read(&codec->core, nid,
|
|
AC_VERB_GET_DEVICE_LIST, devices, &parm))
|
|
break; /* error */
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
dev_list[devices] = (u8)parm;
|
|
parm >>= 4;
|
|
devices++;
|
|
if (devices >= dev_len)
|
|
break;
|
|
}
|
|
}
|
|
return devices;
|
|
}
|
|
|
|
/**
|
|
* snd_hda_get_dev_select - get device entry select on the pin
|
|
* @codec: the HDA codec
|
|
* @nid: NID of the pin to get device entry select
|
|
*
|
|
* Get the devcie entry select on the pin. Return the device entry
|
|
* id selected on the pin. Return 0 means the first device entry
|
|
* is selected or MST is not supported.
|
|
*/
|
|
int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
/* not support dp_mst will always return 0, using first dev_entry */
|
|
if (!codec->dp_mst)
|
|
return 0;
|
|
|
|
return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DEVICE_SEL, 0);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_get_dev_select);
|
|
|
|
/**
|
|
* snd_hda_set_dev_select - set device entry select on the pin
|
|
* @codec: the HDA codec
|
|
* @nid: NID of the pin to set device entry select
|
|
* @dev_id: device entry id to be set
|
|
*
|
|
* Set the device entry select on the pin nid.
|
|
*/
|
|
int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id)
|
|
{
|
|
int ret, num_devices;
|
|
|
|
/* not support dp_mst will always return 0, using first dev_entry */
|
|
if (!codec->dp_mst)
|
|
return 0;
|
|
|
|
/* AC_PAR_DEVLIST_LEN is 0 based. */
|
|
num_devices = snd_hda_get_num_devices(codec, nid) + 1;
|
|
/* If Device List Length is 0 (num_device = 1),
|
|
* the pin is not multi stream capable.
|
|
* Do nothing in this case.
|
|
*/
|
|
if (num_devices == 1)
|
|
return 0;
|
|
|
|
/* Behavior of setting index being equal to or greater than
|
|
* Device List Length is not predictable
|
|
*/
|
|
if (num_devices <= dev_id)
|
|
return -EINVAL;
|
|
|
|
ret = snd_hda_codec_write(codec, nid, 0,
|
|
AC_VERB_SET_DEVICE_SEL, dev_id);
|
|
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_set_dev_select);
|
|
|
|
/*
|
|
* read widget caps for each widget and store in cache
|
|
*/
|
|
static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
|
|
{
|
|
int i;
|
|
hda_nid_t nid;
|
|
|
|
codec->wcaps = kmalloc(codec->core.num_nodes * 4, GFP_KERNEL);
|
|
if (!codec->wcaps)
|
|
return -ENOMEM;
|
|
nid = codec->core.start_nid;
|
|
for (i = 0; i < codec->core.num_nodes; i++, nid++)
|
|
codec->wcaps[i] = snd_hdac_read_parm_uncached(&codec->core,
|
|
nid, AC_PAR_AUDIO_WIDGET_CAP);
|
|
return 0;
|
|
}
|
|
|
|
/* read all pin default configurations and save codec->init_pins */
|
|
static int read_pin_defaults(struct hda_codec *codec)
|
|
{
|
|
hda_nid_t nid;
|
|
|
|
for_each_hda_codec_node(nid, codec) {
|
|
struct hda_pincfg *pin;
|
|
unsigned int wcaps = get_wcaps(codec, nid);
|
|
unsigned int wid_type = get_wcaps_type(wcaps);
|
|
if (wid_type != AC_WID_PIN)
|
|
continue;
|
|
pin = snd_array_new(&codec->init_pins);
|
|
if (!pin)
|
|
return -ENOMEM;
|
|
pin->nid = nid;
|
|
pin->cfg = snd_hda_codec_read(codec, nid, 0,
|
|
AC_VERB_GET_CONFIG_DEFAULT, 0);
|
|
/*
|
|
* all device entries are the same widget control so far
|
|
* fixme: if any codec is different, need fix here
|
|
*/
|
|
pin->ctrl = snd_hda_codec_read(codec, nid, 0,
|
|
AC_VERB_GET_PIN_WIDGET_CONTROL,
|
|
0);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* look up the given pin config list and return the item matching with NID */
|
|
static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
|
|
struct snd_array *array,
|
|
hda_nid_t nid)
|
|
{
|
|
int i;
|
|
for (i = 0; i < array->used; i++) {
|
|
struct hda_pincfg *pin = snd_array_elem(array, i);
|
|
if (pin->nid == nid)
|
|
return pin;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* set the current pin config value for the given NID.
|
|
* the value is cached, and read via snd_hda_codec_get_pincfg()
|
|
*/
|
|
int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
|
|
hda_nid_t nid, unsigned int cfg)
|
|
{
|
|
struct hda_pincfg *pin;
|
|
|
|
/* the check below may be invalid when pins are added by a fixup
|
|
* dynamically (e.g. via snd_hda_codec_update_widgets()), so disabled
|
|
* for now
|
|
*/
|
|
/*
|
|
if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
|
|
return -EINVAL;
|
|
*/
|
|
|
|
pin = look_up_pincfg(codec, list, nid);
|
|
if (!pin) {
|
|
pin = snd_array_new(list);
|
|
if (!pin)
|
|
return -ENOMEM;
|
|
pin->nid = nid;
|
|
}
|
|
pin->cfg = cfg;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* snd_hda_codec_set_pincfg - Override a pin default configuration
|
|
* @codec: the HDA codec
|
|
* @nid: NID to set the pin config
|
|
* @cfg: the pin default config value
|
|
*
|
|
* Override a pin default configuration value in the cache.
|
|
* This value can be read by snd_hda_codec_get_pincfg() in a higher
|
|
* priority than the real hardware value.
|
|
*/
|
|
int snd_hda_codec_set_pincfg(struct hda_codec *codec,
|
|
hda_nid_t nid, unsigned int cfg)
|
|
{
|
|
return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg);
|
|
|
|
/**
|
|
* snd_hda_codec_get_pincfg - Obtain a pin-default configuration
|
|
* @codec: the HDA codec
|
|
* @nid: NID to get the pin config
|
|
*
|
|
* Get the current pin config value of the given pin NID.
|
|
* If the pincfg value is cached or overridden via sysfs or driver,
|
|
* returns the cached value.
|
|
*/
|
|
unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
struct hda_pincfg *pin;
|
|
|
|
#ifdef CONFIG_SND_HDA_RECONFIG
|
|
{
|
|
unsigned int cfg = 0;
|
|
mutex_lock(&codec->user_mutex);
|
|
pin = look_up_pincfg(codec, &codec->user_pins, nid);
|
|
if (pin)
|
|
cfg = pin->cfg;
|
|
mutex_unlock(&codec->user_mutex);
|
|
if (cfg)
|
|
return cfg;
|
|
}
|
|
#endif
|
|
pin = look_up_pincfg(codec, &codec->driver_pins, nid);
|
|
if (pin)
|
|
return pin->cfg;
|
|
pin = look_up_pincfg(codec, &codec->init_pins, nid);
|
|
if (pin)
|
|
return pin->cfg;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg);
|
|
|
|
/**
|
|
* snd_hda_codec_set_pin_target - remember the current pinctl target value
|
|
* @codec: the HDA codec
|
|
* @nid: pin NID
|
|
* @val: assigned pinctl value
|
|
*
|
|
* This function stores the given value to a pinctl target value in the
|
|
* pincfg table. This isn't always as same as the actually written value
|
|
* but can be referred at any time via snd_hda_codec_get_pin_target().
|
|
*/
|
|
int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
|
|
unsigned int val)
|
|
{
|
|
struct hda_pincfg *pin;
|
|
|
|
pin = look_up_pincfg(codec, &codec->init_pins, nid);
|
|
if (!pin)
|
|
return -EINVAL;
|
|
pin->target = val;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target);
|
|
|
|
/**
|
|
* snd_hda_codec_get_pin_target - return the current pinctl target value
|
|
* @codec: the HDA codec
|
|
* @nid: pin NID
|
|
*/
|
|
int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
struct hda_pincfg *pin;
|
|
|
|
pin = look_up_pincfg(codec, &codec->init_pins, nid);
|
|
if (!pin)
|
|
return 0;
|
|
return pin->target;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target);
|
|
|
|
/**
|
|
* snd_hda_shutup_pins - Shut up all pins
|
|
* @codec: the HDA codec
|
|
*
|
|
* Clear all pin controls to shup up before suspend for avoiding click noise.
|
|
* The controls aren't cached so that they can be resumed properly.
|
|
*/
|
|
void snd_hda_shutup_pins(struct hda_codec *codec)
|
|
{
|
|
int i;
|
|
/* don't shut up pins when unloading the driver; otherwise it breaks
|
|
* the default pin setup at the next load of the driver
|
|
*/
|
|
if (codec->bus->shutdown)
|
|
return;
|
|
for (i = 0; i < codec->init_pins.used; i++) {
|
|
struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
|
|
/* use read here for syncing after issuing each verb */
|
|
snd_hda_codec_read(codec, pin->nid, 0,
|
|
AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
|
|
}
|
|
codec->pins_shutup = 1;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_shutup_pins);
|
|
|
|
#ifdef CONFIG_PM
|
|
/* Restore the pin controls cleared previously via snd_hda_shutup_pins() */
|
|
static void restore_shutup_pins(struct hda_codec *codec)
|
|
{
|
|
int i;
|
|
if (!codec->pins_shutup)
|
|
return;
|
|
if (codec->bus->shutdown)
|
|
return;
|
|
for (i = 0; i < codec->init_pins.used; i++) {
|
|
struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
|
|
snd_hda_codec_write(codec, pin->nid, 0,
|
|
AC_VERB_SET_PIN_WIDGET_CONTROL,
|
|
pin->ctrl);
|
|
}
|
|
codec->pins_shutup = 0;
|
|
}
|
|
#endif
|
|
|
|
static void hda_jackpoll_work(struct work_struct *work)
|
|
{
|
|
struct hda_codec *codec =
|
|
container_of(work, struct hda_codec, jackpoll_work.work);
|
|
|
|
snd_hda_jack_set_dirty_all(codec);
|
|
snd_hda_jack_poll_all(codec);
|
|
|
|
if (!codec->jackpoll_interval)
|
|
return;
|
|
|
|
schedule_delayed_work(&codec->jackpoll_work,
|
|
codec->jackpoll_interval);
|
|
}
|
|
|
|
/* release all pincfg lists */
|
|
static void free_init_pincfgs(struct hda_codec *codec)
|
|
{
|
|
snd_array_free(&codec->driver_pins);
|
|
#ifdef CONFIG_SND_HDA_RECONFIG
|
|
snd_array_free(&codec->user_pins);
|
|
#endif
|
|
snd_array_free(&codec->init_pins);
|
|
}
|
|
|
|
/*
|
|
* audio-converter setup caches
|
|
*/
|
|
struct hda_cvt_setup {
|
|
hda_nid_t nid;
|
|
u8 stream_tag;
|
|
u8 channel_id;
|
|
u16 format_id;
|
|
unsigned char active; /* cvt is currently used */
|
|
unsigned char dirty; /* setups should be cleared */
|
|
};
|
|
|
|
/* get or create a cache entry for the given audio converter NID */
|
|
static struct hda_cvt_setup *
|
|
get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
struct hda_cvt_setup *p;
|
|
int i;
|
|
|
|
for (i = 0; i < codec->cvt_setups.used; i++) {
|
|
p = snd_array_elem(&codec->cvt_setups, i);
|
|
if (p->nid == nid)
|
|
return p;
|
|
}
|
|
p = snd_array_new(&codec->cvt_setups);
|
|
if (p)
|
|
p->nid = nid;
|
|
return p;
|
|
}
|
|
|
|
/*
|
|
* PCM device
|
|
*/
|
|
static void release_pcm(struct kref *kref)
|
|
{
|
|
struct hda_pcm *pcm = container_of(kref, struct hda_pcm, kref);
|
|
|
|
if (pcm->pcm)
|
|
snd_device_free(pcm->codec->card, pcm->pcm);
|
|
clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits);
|
|
kfree(pcm->name);
|
|
kfree(pcm);
|
|
}
|
|
|
|
void snd_hda_codec_pcm_put(struct hda_pcm *pcm)
|
|
{
|
|
kref_put(&pcm->kref, release_pcm);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put);
|
|
|
|
struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
|
|
const char *fmt, ...)
|
|
{
|
|
struct hda_pcm *pcm;
|
|
va_list args;
|
|
|
|
pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
|
|
if (!pcm)
|
|
return NULL;
|
|
|
|
pcm->codec = codec;
|
|
kref_init(&pcm->kref);
|
|
va_start(args, fmt);
|
|
pcm->name = kvasprintf(GFP_KERNEL, fmt, args);
|
|
va_end(args);
|
|
if (!pcm->name) {
|
|
kfree(pcm);
|
|
return NULL;
|
|
}
|
|
|
|
list_add_tail(&pcm->list, &codec->pcm_list_head);
|
|
return pcm;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new);
|
|
|
|
/*
|
|
* codec destructor
|
|
*/
|
|
static void codec_release_pcms(struct hda_codec *codec)
|
|
{
|
|
struct hda_pcm *pcm, *n;
|
|
|
|
list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) {
|
|
list_del_init(&pcm->list);
|
|
if (pcm->pcm)
|
|
snd_device_disconnect(codec->card, pcm->pcm);
|
|
snd_hda_codec_pcm_put(pcm);
|
|
}
|
|
}
|
|
|
|
void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
|
|
{
|
|
if (codec->registered) {
|
|
/* pm_runtime_put() is called in snd_hdac_device_exit() */
|
|
pm_runtime_get_noresume(hda_codec_dev(codec));
|
|
pm_runtime_disable(hda_codec_dev(codec));
|
|
codec->registered = 0;
|
|
}
|
|
|
|
cancel_delayed_work_sync(&codec->jackpoll_work);
|
|
if (!codec->in_freeing)
|
|
snd_hda_ctls_clear(codec);
|
|
codec_release_pcms(codec);
|
|
snd_hda_detach_beep_device(codec);
|
|
memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
|
|
snd_hda_jack_tbl_clear(codec);
|
|
codec->proc_widget_hook = NULL;
|
|
codec->spec = NULL;
|
|
|
|
/* free only driver_pins so that init_pins + user_pins are restored */
|
|
snd_array_free(&codec->driver_pins);
|
|
snd_array_free(&codec->cvt_setups);
|
|
snd_array_free(&codec->spdif_out);
|
|
snd_array_free(&codec->verbs);
|
|
codec->preset = NULL;
|
|
codec->slave_dig_outs = NULL;
|
|
codec->spdif_status_reset = 0;
|
|
snd_array_free(&codec->mixers);
|
|
snd_array_free(&codec->nids);
|
|
remove_conn_list(codec);
|
|
snd_hdac_regmap_exit(&codec->core);
|
|
}
|
|
|
|
static unsigned int hda_set_power_state(struct hda_codec *codec,
|
|
unsigned int power_state);
|
|
|
|
/* also called from hda_bind.c */
|
|
void snd_hda_codec_register(struct hda_codec *codec)
|
|
{
|
|
if (codec->registered)
|
|
return;
|
|
if (device_is_registered(hda_codec_dev(codec))) {
|
|
snd_hda_register_beep_device(codec);
|
|
snd_hdac_link_power(&codec->core, true);
|
|
pm_runtime_enable(hda_codec_dev(codec));
|
|
/* it was powered up in snd_hda_codec_new(), now all done */
|
|
snd_hda_power_down(codec);
|
|
codec->registered = 1;
|
|
}
|
|
}
|
|
|
|
static int snd_hda_codec_dev_register(struct snd_device *device)
|
|
{
|
|
snd_hda_codec_register(device->device_data);
|
|
return 0;
|
|
}
|
|
|
|
static int snd_hda_codec_dev_disconnect(struct snd_device *device)
|
|
{
|
|
struct hda_codec *codec = device->device_data;
|
|
|
|
snd_hda_detach_beep_device(codec);
|
|
return 0;
|
|
}
|
|
|
|
static int snd_hda_codec_dev_free(struct snd_device *device)
|
|
{
|
|
struct hda_codec *codec = device->device_data;
|
|
|
|
codec->in_freeing = 1;
|
|
snd_hdac_device_unregister(&codec->core);
|
|
snd_hdac_link_power(&codec->core, false);
|
|
put_device(hda_codec_dev(codec));
|
|
return 0;
|
|
}
|
|
|
|
static void snd_hda_codec_dev_release(struct device *dev)
|
|
{
|
|
struct hda_codec *codec = dev_to_hda_codec(dev);
|
|
|
|
free_init_pincfgs(codec);
|
|
snd_hdac_device_exit(&codec->core);
|
|
snd_hda_sysfs_clear(codec);
|
|
kfree(codec->modelname);
|
|
kfree(codec->wcaps);
|
|
kfree(codec);
|
|
}
|
|
|
|
/**
|
|
* snd_hda_codec_new - create a HDA codec
|
|
* @bus: the bus to assign
|
|
* @codec_addr: the codec address
|
|
* @codecp: the pointer to store the generated codec
|
|
*
|
|
* Returns 0 if successful, or a negative error code.
|
|
*/
|
|
int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
|
|
unsigned int codec_addr, struct hda_codec **codecp)
|
|
{
|
|
struct hda_codec *codec;
|
|
char component[31];
|
|
hda_nid_t fg;
|
|
int err;
|
|
static struct snd_device_ops dev_ops = {
|
|
.dev_register = snd_hda_codec_dev_register,
|
|
.dev_disconnect = snd_hda_codec_dev_disconnect,
|
|
.dev_free = snd_hda_codec_dev_free,
|
|
};
|
|
|
|
if (snd_BUG_ON(!bus))
|
|
return -EINVAL;
|
|
if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
|
|
return -EINVAL;
|
|
|
|
codec = kzalloc(sizeof(*codec), GFP_KERNEL);
|
|
if (!codec)
|
|
return -ENOMEM;
|
|
|
|
sprintf(component, "hdaudioC%dD%d", card->number, codec_addr);
|
|
err = snd_hdac_device_init(&codec->core, &bus->core, component,
|
|
codec_addr);
|
|
if (err < 0) {
|
|
kfree(codec);
|
|
return err;
|
|
}
|
|
|
|
codec->core.dev.release = snd_hda_codec_dev_release;
|
|
codec->core.type = HDA_DEV_LEGACY;
|
|
codec->core.exec_verb = codec_exec_verb;
|
|
|
|
codec->bus = bus;
|
|
codec->card = card;
|
|
codec->addr = codec_addr;
|
|
mutex_init(&codec->spdif_mutex);
|
|
mutex_init(&codec->control_mutex);
|
|
snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
|
|
snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
|
|
snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
|
|
snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
|
|
snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
|
|
snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
|
|
snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
|
|
snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
|
|
INIT_LIST_HEAD(&codec->conn_list);
|
|
INIT_LIST_HEAD(&codec->pcm_list_head);
|
|
|
|
INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
|
|
codec->depop_delay = -1;
|
|
codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
|
|
|
|
#ifdef CONFIG_PM
|
|
codec->power_jiffies = jiffies;
|
|
#endif
|
|
|
|
snd_hda_sysfs_init(codec);
|
|
|
|
if (codec->bus->modelname) {
|
|
codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
|
|
if (!codec->modelname) {
|
|
err = -ENOMEM;
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
|
|
err = read_widget_caps(codec, fg);
|
|
if (err < 0)
|
|
goto error;
|
|
err = read_pin_defaults(codec);
|
|
if (err < 0)
|
|
goto error;
|
|
|
|
/* power-up all before initialization */
|
|
hda_set_power_state(codec, AC_PWRST_D0);
|
|
|
|
snd_hda_codec_proc_new(codec);
|
|
|
|
snd_hda_create_hwdep(codec);
|
|
|
|
sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id,
|
|
codec->core.subsystem_id, codec->core.revision_id);
|
|
snd_component_add(card, component);
|
|
|
|
err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
|
|
if (err < 0)
|
|
goto error;
|
|
|
|
if (codecp)
|
|
*codecp = codec;
|
|
return 0;
|
|
|
|
error:
|
|
put_device(hda_codec_dev(codec));
|
|
return err;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_new);
|
|
|
|
/**
|
|
* snd_hda_codec_update_widgets - Refresh widget caps and pin defaults
|
|
* @codec: the HDA codec
|
|
*
|
|
* Forcibly refresh the all widget caps and the init pin configurations of
|
|
* the given codec.
|
|
*/
|
|
int snd_hda_codec_update_widgets(struct hda_codec *codec)
|
|
{
|
|
hda_nid_t fg;
|
|
int err;
|
|
|
|
err = snd_hdac_refresh_widget_sysfs(&codec->core);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* Assume the function group node does not change,
|
|
* only the widget nodes may change.
|
|
*/
|
|
kfree(codec->wcaps);
|
|
fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
|
|
err = read_widget_caps(codec, fg);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
snd_array_free(&codec->init_pins);
|
|
err = read_pin_defaults(codec);
|
|
|
|
return err;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
|
|
|
|
/* update the stream-id if changed */
|
|
static void update_pcm_stream_id(struct hda_codec *codec,
|
|
struct hda_cvt_setup *p, hda_nid_t nid,
|
|
u32 stream_tag, int channel_id)
|
|
{
|
|
unsigned int oldval, newval;
|
|
|
|
if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
|
|
oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
|
|
newval = (stream_tag << 4) | channel_id;
|
|
if (oldval != newval)
|
|
snd_hda_codec_write(codec, nid, 0,
|
|
AC_VERB_SET_CHANNEL_STREAMID,
|
|
newval);
|
|
p->stream_tag = stream_tag;
|
|
p->channel_id = channel_id;
|
|
}
|
|
}
|
|
|
|
/* update the format-id if changed */
|
|
static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
|
|
hda_nid_t nid, int format)
|
|
{
|
|
unsigned int oldval;
|
|
|
|
if (p->format_id != format) {
|
|
oldval = snd_hda_codec_read(codec, nid, 0,
|
|
AC_VERB_GET_STREAM_FORMAT, 0);
|
|
if (oldval != format) {
|
|
msleep(1);
|
|
snd_hda_codec_write(codec, nid, 0,
|
|
AC_VERB_SET_STREAM_FORMAT,
|
|
format);
|
|
}
|
|
p->format_id = format;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* snd_hda_codec_setup_stream - set up the codec for streaming
|
|
* @codec: the CODEC to set up
|
|
* @nid: the NID to set up
|
|
* @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
|
|
* @channel_id: channel id to pass, zero based.
|
|
* @format: stream format.
|
|
*/
|
|
void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
|
|
u32 stream_tag,
|
|
int channel_id, int format)
|
|
{
|
|
struct hda_codec *c;
|
|
struct hda_cvt_setup *p;
|
|
int type;
|
|
int i;
|
|
|
|
if (!nid)
|
|
return;
|
|
|
|
codec_dbg(codec,
|
|
"hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
|
|
nid, stream_tag, channel_id, format);
|
|
p = get_hda_cvt_setup(codec, nid);
|
|
if (!p)
|
|
return;
|
|
|
|
if (codec->patch_ops.stream_pm)
|
|
codec->patch_ops.stream_pm(codec, nid, true);
|
|
if (codec->pcm_format_first)
|
|
update_pcm_format(codec, p, nid, format);
|
|
update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
|
|
if (!codec->pcm_format_first)
|
|
update_pcm_format(codec, p, nid, format);
|
|
|
|
p->active = 1;
|
|
p->dirty = 0;
|
|
|
|
/* make other inactive cvts with the same stream-tag dirty */
|
|
type = get_wcaps_type(get_wcaps(codec, nid));
|
|
list_for_each_codec(c, codec->bus) {
|
|
for (i = 0; i < c->cvt_setups.used; i++) {
|
|
p = snd_array_elem(&c->cvt_setups, i);
|
|
if (!p->active && p->stream_tag == stream_tag &&
|
|
get_wcaps_type(get_wcaps(c, p->nid)) == type)
|
|
p->dirty = 1;
|
|
}
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
|
|
|
|
static void really_cleanup_stream(struct hda_codec *codec,
|
|
struct hda_cvt_setup *q);
|
|
|
|
/**
|
|
* __snd_hda_codec_cleanup_stream - clean up the codec for closing
|
|
* @codec: the CODEC to clean up
|
|
* @nid: the NID to clean up
|
|
* @do_now: really clean up the stream instead of clearing the active flag
|
|
*/
|
|
void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
|
|
int do_now)
|
|
{
|
|
struct hda_cvt_setup *p;
|
|
|
|
if (!nid)
|
|
return;
|
|
|
|
if (codec->no_sticky_stream)
|
|
do_now = 1;
|
|
|
|
codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
|
|
p = get_hda_cvt_setup(codec, nid);
|
|
if (p) {
|
|
/* here we just clear the active flag when do_now isn't set;
|
|
* actual clean-ups will be done later in
|
|
* purify_inactive_streams() called from snd_hda_codec_prpapre()
|
|
*/
|
|
if (do_now)
|
|
really_cleanup_stream(codec, p);
|
|
else
|
|
p->active = 0;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
|
|
|
|
static void really_cleanup_stream(struct hda_codec *codec,
|
|
struct hda_cvt_setup *q)
|
|
{
|
|
hda_nid_t nid = q->nid;
|
|
if (q->stream_tag || q->channel_id)
|
|
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
|
|
if (q->format_id)
|
|
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
|
|
);
|
|
memset(q, 0, sizeof(*q));
|
|
q->nid = nid;
|
|
if (codec->patch_ops.stream_pm)
|
|
codec->patch_ops.stream_pm(codec, nid, false);
|
|
}
|
|
|
|
/* clean up the all conflicting obsolete streams */
|
|
static void purify_inactive_streams(struct hda_codec *codec)
|
|
{
|
|
struct hda_codec *c;
|
|
int i;
|
|
|
|
list_for_each_codec(c, codec->bus) {
|
|
for (i = 0; i < c->cvt_setups.used; i++) {
|
|
struct hda_cvt_setup *p;
|
|
p = snd_array_elem(&c->cvt_setups, i);
|
|
if (p->dirty)
|
|
really_cleanup_stream(c, p);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
/* clean up all streams; called from suspend */
|
|
static void hda_cleanup_all_streams(struct hda_codec *codec)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < codec->cvt_setups.used; i++) {
|
|
struct hda_cvt_setup *p = snd_array_elem(&codec->cvt_setups, i);
|
|
if (p->stream_tag)
|
|
really_cleanup_stream(codec, p);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* amp access functions
|
|
*/
|
|
|
|
/**
|
|
* query_amp_caps - query AMP capabilities
|
|
* @codec: the HD-auio codec
|
|
* @nid: the NID to query
|
|
* @direction: either #HDA_INPUT or #HDA_OUTPUT
|
|
*
|
|
* Query AMP capabilities for the given widget and direction.
|
|
* Returns the obtained capability bits.
|
|
*
|
|
* When cap bits have been already read, this doesn't read again but
|
|
* returns the cached value.
|
|
*/
|
|
u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
|
|
{
|
|
if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
|
|
nid = codec->core.afg;
|
|
return snd_hda_param_read(codec, nid,
|
|
direction == HDA_OUTPUT ?
|
|
AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
|
|
}
|
|
EXPORT_SYMBOL_GPL(query_amp_caps);
|
|
|
|
/**
|
|
* snd_hda_check_amp_caps - query AMP capabilities
|
|
* @codec: the HD-audio codec
|
|
* @nid: the NID to query
|
|
* @dir: either #HDA_INPUT or #HDA_OUTPUT
|
|
* @bits: bit mask to check the result
|
|
*
|
|
* Check whether the widget has the given amp capability for the direction.
|
|
*/
|
|
bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
|
|
int dir, unsigned int bits)
|
|
{
|
|
if (!nid)
|
|
return false;
|
|
if (get_wcaps(codec, nid) & (1 << (dir + 1)))
|
|
if (query_amp_caps(codec, nid, dir) & bits)
|
|
return true;
|
|
return false;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
|
|
|
|
/**
|
|
* snd_hda_override_amp_caps - Override the AMP capabilities
|
|
* @codec: the CODEC to clean up
|
|
* @nid: the NID to clean up
|
|
* @dir: either #HDA_INPUT or #HDA_OUTPUT
|
|
* @caps: the capability bits to set
|
|
*
|
|
* Override the cached AMP caps bits value by the given one.
|
|
* This function is useful if the driver needs to adjust the AMP ranges,
|
|
* e.g. limit to 0dB, etc.
|
|
*
|
|
* Returns zero if successful or a negative error code.
|
|
*/
|
|
int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
|
|
unsigned int caps)
|
|
{
|
|
unsigned int parm;
|
|
|
|
snd_hda_override_wcaps(codec, nid,
|
|
get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
|
|
parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
|
|
return snd_hdac_override_parm(&codec->core, nid, parm, caps);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
|
|
|
|
/**
|
|
* snd_hda_codec_amp_update - update the AMP mono value
|
|
* @codec: HD-audio codec
|
|
* @nid: NID to read the AMP value
|
|
* @ch: channel to update (0 or 1)
|
|
* @dir: #HDA_INPUT or #HDA_OUTPUT
|
|
* @idx: the index value (only for input direction)
|
|
* @mask: bit mask to set
|
|
* @val: the bits value to set
|
|
*
|
|
* Update the AMP values for the given channel, direction and index.
|
|
*/
|
|
int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
|
|
int ch, int dir, int idx, int mask, int val)
|
|
{
|
|
unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
|
|
|
|
/* enable fake mute if no h/w mute but min=mute */
|
|
if ((query_amp_caps(codec, nid, dir) &
|
|
(AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
|
|
cmd |= AC_AMP_FAKE_MUTE;
|
|
return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
|
|
|
|
/**
|
|
* snd_hda_codec_amp_stereo - update the AMP stereo values
|
|
* @codec: HD-audio codec
|
|
* @nid: NID to read the AMP value
|
|
* @direction: #HDA_INPUT or #HDA_OUTPUT
|
|
* @idx: the index value (only for input direction)
|
|
* @mask: bit mask to set
|
|
* @val: the bits value to set
|
|
*
|
|
* Update the AMP values like snd_hda_codec_amp_update(), but for a
|
|
* stereo widget with the same mask and value.
|
|
*/
|
|
int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
|
|
int direction, int idx, int mask, int val)
|
|
{
|
|
int ch, ret = 0;
|
|
|
|
if (snd_BUG_ON(mask & ~0xff))
|
|
mask &= 0xff;
|
|
for (ch = 0; ch < 2; ch++)
|
|
ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
|
|
idx, mask, val);
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
|
|
|
|
/**
|
|
* snd_hda_codec_amp_init - initialize the AMP value
|
|
* @codec: the HDA codec
|
|
* @nid: NID to read the AMP value
|
|
* @ch: channel (left=0 or right=1)
|
|
* @dir: #HDA_INPUT or #HDA_OUTPUT
|
|
* @idx: the index value (only for input direction)
|
|
* @mask: bit mask to set
|
|
* @val: the bits value to set
|
|
*
|
|
* Works like snd_hda_codec_amp_update() but it writes the value only at
|
|
* the first access. If the amp was already initialized / updated beforehand,
|
|
* this does nothing.
|
|
*/
|
|
int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
|
|
int dir, int idx, int mask, int val)
|
|
{
|
|
int orig;
|
|
|
|
if (!codec->core.regmap)
|
|
return -EINVAL;
|
|
regcache_cache_only(codec->core.regmap, true);
|
|
orig = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
|
|
regcache_cache_only(codec->core.regmap, false);
|
|
if (orig >= 0)
|
|
return 0;
|
|
return snd_hda_codec_amp_update(codec, nid, ch, dir, idx, mask, val);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
|
|
|
|
/**
|
|
* snd_hda_codec_amp_init_stereo - initialize the stereo AMP value
|
|
* @codec: the HDA codec
|
|
* @nid: NID to read the AMP value
|
|
* @dir: #HDA_INPUT or #HDA_OUTPUT
|
|
* @idx: the index value (only for input direction)
|
|
* @mask: bit mask to set
|
|
* @val: the bits value to set
|
|
*
|
|
* Call snd_hda_codec_amp_init() for both stereo channels.
|
|
*/
|
|
int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
|
|
int dir, int idx, int mask, int val)
|
|
{
|
|
int ch, ret = 0;
|
|
|
|
if (snd_BUG_ON(mask & ~0xff))
|
|
mask &= 0xff;
|
|
for (ch = 0; ch < 2; ch++)
|
|
ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
|
|
idx, mask, val);
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
|
|
|
|
static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
|
|
unsigned int ofs)
|
|
{
|
|
u32 caps = query_amp_caps(codec, nid, dir);
|
|
/* get num steps */
|
|
caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
|
|
if (ofs < caps)
|
|
caps -= ofs;
|
|
return caps;
|
|
}
|
|
|
|
/**
|
|
* snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
|
|
* @kcontrol: referred ctl element
|
|
* @uinfo: pointer to get/store the data
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
|
|
*/
|
|
int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
u16 nid = get_amp_nid(kcontrol);
|
|
u8 chs = get_amp_channels(kcontrol);
|
|
int dir = get_amp_direction(kcontrol);
|
|
unsigned int ofs = get_amp_offset(kcontrol);
|
|
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
|
|
uinfo->count = chs == 3 ? 2 : 1;
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
|
|
if (!uinfo->value.integer.max) {
|
|
codec_warn(codec,
|
|
"num_steps = 0 for NID=0x%x (ctl = %s)\n",
|
|
nid, kcontrol->id.name);
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
|
|
|
|
|
|
static inline unsigned int
|
|
read_amp_value(struct hda_codec *codec, hda_nid_t nid,
|
|
int ch, int dir, int idx, unsigned int ofs)
|
|
{
|
|
unsigned int val;
|
|
val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
|
|
val &= HDA_AMP_VOLMASK;
|
|
if (val >= ofs)
|
|
val -= ofs;
|
|
else
|
|
val = 0;
|
|
return val;
|
|
}
|
|
|
|
static inline int
|
|
update_amp_value(struct hda_codec *codec, hda_nid_t nid,
|
|
int ch, int dir, int idx, unsigned int ofs,
|
|
unsigned int val)
|
|
{
|
|
unsigned int maxval;
|
|
|
|
if (val > 0)
|
|
val += ofs;
|
|
/* ofs = 0: raw max value */
|
|
maxval = get_amp_max_value(codec, nid, dir, 0);
|
|
if (val > maxval)
|
|
val = maxval;
|
|
return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
|
|
HDA_AMP_VOLMASK, val);
|
|
}
|
|
|
|
/**
|
|
* snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
|
|
* @kcontrol: ctl element
|
|
* @ucontrol: pointer to get/store the data
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
|
|
*/
|
|
int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
hda_nid_t nid = get_amp_nid(kcontrol);
|
|
int chs = get_amp_channels(kcontrol);
|
|
int dir = get_amp_direction(kcontrol);
|
|
int idx = get_amp_index(kcontrol);
|
|
unsigned int ofs = get_amp_offset(kcontrol);
|
|
long *valp = ucontrol->value.integer.value;
|
|
|
|
if (chs & 1)
|
|
*valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
|
|
if (chs & 2)
|
|
*valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
|
|
|
|
/**
|
|
* snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
|
|
* @kcontrol: ctl element
|
|
* @ucontrol: pointer to get/store the data
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
|
|
*/
|
|
int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
hda_nid_t nid = get_amp_nid(kcontrol);
|
|
int chs = get_amp_channels(kcontrol);
|
|
int dir = get_amp_direction(kcontrol);
|
|
int idx = get_amp_index(kcontrol);
|
|
unsigned int ofs = get_amp_offset(kcontrol);
|
|
long *valp = ucontrol->value.integer.value;
|
|
int change = 0;
|
|
|
|
if (chs & 1) {
|
|
change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
|
|
valp++;
|
|
}
|
|
if (chs & 2)
|
|
change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
|
|
return change;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
|
|
|
|
/* inquiry the amp caps and convert to TLV */
|
|
static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
hda_nid_t nid = get_amp_nid(kcontrol);
|
|
int dir = get_amp_direction(kcontrol);
|
|
unsigned int ofs = get_amp_offset(kcontrol);
|
|
bool min_mute = get_amp_min_mute(kcontrol);
|
|
u32 caps, val1, val2;
|
|
|
|
caps = query_amp_caps(codec, nid, dir);
|
|
val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
|
|
val2 = (val2 + 1) * 25;
|
|
val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
|
|
val1 += ofs;
|
|
val1 = ((int)val1) * ((int)val2);
|
|
if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
|
|
val2 |= TLV_DB_SCALE_MUTE;
|
|
tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
|
|
tlv[1] = 2 * sizeof(unsigned int);
|
|
tlv[2] = val1;
|
|
tlv[3] = val2;
|
|
}
|
|
|
|
/**
|
|
* snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume
|
|
* @kcontrol: ctl element
|
|
* @op_flag: operation flag
|
|
* @size: byte size of input TLV
|
|
* @_tlv: TLV data
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
|
|
*/
|
|
int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
|
|
unsigned int size, unsigned int __user *_tlv)
|
|
{
|
|
unsigned int tlv[4];
|
|
|
|
if (size < 4 * sizeof(unsigned int))
|
|
return -ENOMEM;
|
|
get_ctl_amp_tlv(kcontrol, tlv);
|
|
if (copy_to_user(_tlv, tlv, sizeof(tlv)))
|
|
return -EFAULT;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
|
|
|
|
/**
|
|
* snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
|
|
* @codec: HD-audio codec
|
|
* @nid: NID of a reference widget
|
|
* @dir: #HDA_INPUT or #HDA_OUTPUT
|
|
* @tlv: TLV data to be stored, at least 4 elements
|
|
*
|
|
* Set (static) TLV data for a virtual master volume using the AMP caps
|
|
* obtained from the reference NID.
|
|
* The volume range is recalculated as if the max volume is 0dB.
|
|
*/
|
|
void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
|
|
unsigned int *tlv)
|
|
{
|
|
u32 caps;
|
|
int nums, step;
|
|
|
|
caps = query_amp_caps(codec, nid, dir);
|
|
nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
|
|
step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
|
|
step = (step + 1) * 25;
|
|
tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
|
|
tlv[1] = 2 * sizeof(unsigned int);
|
|
tlv[2] = -nums * step;
|
|
tlv[3] = step;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
|
|
|
|
/* find a mixer control element with the given name */
|
|
static struct snd_kcontrol *
|
|
find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
|
|
{
|
|
struct snd_ctl_elem_id id;
|
|
memset(&id, 0, sizeof(id));
|
|
id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
|
|
id.device = dev;
|
|
id.index = idx;
|
|
if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
|
|
return NULL;
|
|
strcpy(id.name, name);
|
|
return snd_ctl_find_id(codec->card, &id);
|
|
}
|
|
|
|
/**
|
|
* snd_hda_find_mixer_ctl - Find a mixer control element with the given name
|
|
* @codec: HD-audio codec
|
|
* @name: ctl id name string
|
|
*
|
|
* Get the control element with the given id string and IFACE_MIXER.
|
|
*/
|
|
struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
|
|
const char *name)
|
|
{
|
|
return find_mixer_ctl(codec, name, 0, 0);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
|
|
|
|
static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
|
|
int start_idx)
|
|
{
|
|
int i, idx;
|
|
/* 16 ctlrs should be large enough */
|
|
for (i = 0, idx = start_idx; i < 16; i++, idx++) {
|
|
if (!find_mixer_ctl(codec, name, 0, idx))
|
|
return idx;
|
|
}
|
|
return -EBUSY;
|
|
}
|
|
|
|
/**
|
|
* snd_hda_ctl_add - Add a control element and assign to the codec
|
|
* @codec: HD-audio codec
|
|
* @nid: corresponding NID (optional)
|
|
* @kctl: the control element to assign
|
|
*
|
|
* Add the given control element to an array inside the codec instance.
|
|
* All control elements belonging to a codec are supposed to be added
|
|
* by this function so that a proper clean-up works at the free or
|
|
* reconfiguration time.
|
|
*
|
|
* If non-zero @nid is passed, the NID is assigned to the control element.
|
|
* The assignment is shown in the codec proc file.
|
|
*
|
|
* snd_hda_ctl_add() checks the control subdev id field whether
|
|
* #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
|
|
* bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
|
|
* specifies if kctl->private_value is a HDA amplifier value.
|
|
*/
|
|
int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
|
|
struct snd_kcontrol *kctl)
|
|
{
|
|
int err;
|
|
unsigned short flags = 0;
|
|
struct hda_nid_item *item;
|
|
|
|
if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
|
|
flags |= HDA_NID_ITEM_AMP;
|
|
if (nid == 0)
|
|
nid = get_amp_nid_(kctl->private_value);
|
|
}
|
|
if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
|
|
nid = kctl->id.subdevice & 0xffff;
|
|
if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
|
|
kctl->id.subdevice = 0;
|
|
err = snd_ctl_add(codec->card, kctl);
|
|
if (err < 0)
|
|
return err;
|
|
item = snd_array_new(&codec->mixers);
|
|
if (!item)
|
|
return -ENOMEM;
|
|
item->kctl = kctl;
|
|
item->nid = nid;
|
|
item->flags = flags;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
|
|
|
|
/**
|
|
* snd_hda_add_nid - Assign a NID to a control element
|
|
* @codec: HD-audio codec
|
|
* @nid: corresponding NID (optional)
|
|
* @kctl: the control element to assign
|
|
* @index: index to kctl
|
|
*
|
|
* Add the given control element to an array inside the codec instance.
|
|
* This function is used when #snd_hda_ctl_add cannot be used for 1:1
|
|
* NID:KCTL mapping - for example "Capture Source" selector.
|
|
*/
|
|
int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
|
|
unsigned int index, hda_nid_t nid)
|
|
{
|
|
struct hda_nid_item *item;
|
|
|
|
if (nid > 0) {
|
|
item = snd_array_new(&codec->nids);
|
|
if (!item)
|
|
return -ENOMEM;
|
|
item->kctl = kctl;
|
|
item->index = index;
|
|
item->nid = nid;
|
|
return 0;
|
|
}
|
|
codec_err(codec, "no NID for mapping control %s:%d:%d\n",
|
|
kctl->id.name, kctl->id.index, index);
|
|
return -EINVAL;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_add_nid);
|
|
|
|
/**
|
|
* snd_hda_ctls_clear - Clear all controls assigned to the given codec
|
|
* @codec: HD-audio codec
|
|
*/
|
|
void snd_hda_ctls_clear(struct hda_codec *codec)
|
|
{
|
|
int i;
|
|
struct hda_nid_item *items = codec->mixers.list;
|
|
for (i = 0; i < codec->mixers.used; i++)
|
|
snd_ctl_remove(codec->card, items[i].kctl);
|
|
snd_array_free(&codec->mixers);
|
|
snd_array_free(&codec->nids);
|
|
}
|
|
|
|
/**
|
|
* snd_hda_lock_devices - pseudo device locking
|
|
* @bus: the BUS
|
|
*
|
|
* toggle card->shutdown to allow/disallow the device access (as a hack)
|
|
*/
|
|
int snd_hda_lock_devices(struct hda_bus *bus)
|
|
{
|
|
struct snd_card *card = bus->card;
|
|
struct hda_codec *codec;
|
|
|
|
spin_lock(&card->files_lock);
|
|
if (card->shutdown)
|
|
goto err_unlock;
|
|
card->shutdown = 1;
|
|
if (!list_empty(&card->ctl_files))
|
|
goto err_clear;
|
|
|
|
list_for_each_codec(codec, bus) {
|
|
struct hda_pcm *cpcm;
|
|
list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
|
|
if (!cpcm->pcm)
|
|
continue;
|
|
if (cpcm->pcm->streams[0].substream_opened ||
|
|
cpcm->pcm->streams[1].substream_opened)
|
|
goto err_clear;
|
|
}
|
|
}
|
|
spin_unlock(&card->files_lock);
|
|
return 0;
|
|
|
|
err_clear:
|
|
card->shutdown = 0;
|
|
err_unlock:
|
|
spin_unlock(&card->files_lock);
|
|
return -EINVAL;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
|
|
|
|
/**
|
|
* snd_hda_unlock_devices - pseudo device unlocking
|
|
* @bus: the BUS
|
|
*/
|
|
void snd_hda_unlock_devices(struct hda_bus *bus)
|
|
{
|
|
struct snd_card *card = bus->card;
|
|
|
|
spin_lock(&card->files_lock);
|
|
card->shutdown = 0;
|
|
spin_unlock(&card->files_lock);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
|
|
|
|
/**
|
|
* snd_hda_codec_reset - Clear all objects assigned to the codec
|
|
* @codec: HD-audio codec
|
|
*
|
|
* This frees the all PCM and control elements assigned to the codec, and
|
|
* clears the caches and restores the pin default configurations.
|
|
*
|
|
* When a device is being used, it returns -EBSY. If successfully freed,
|
|
* returns zero.
|
|
*/
|
|
int snd_hda_codec_reset(struct hda_codec *codec)
|
|
{
|
|
struct hda_bus *bus = codec->bus;
|
|
|
|
if (snd_hda_lock_devices(bus) < 0)
|
|
return -EBUSY;
|
|
|
|
/* OK, let it free */
|
|
snd_hdac_device_unregister(&codec->core);
|
|
|
|
/* allow device access again */
|
|
snd_hda_unlock_devices(bus);
|
|
return 0;
|
|
}
|
|
|
|
typedef int (*map_slave_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
|
|
|
|
/* apply the function to all matching slave ctls in the mixer list */
|
|
static int map_slaves(struct hda_codec *codec, const char * const *slaves,
|
|
const char *suffix, map_slave_func_t func, void *data)
|
|
{
|
|
struct hda_nid_item *items;
|
|
const char * const *s;
|
|
int i, err;
|
|
|
|
items = codec->mixers.list;
|
|
for (i = 0; i < codec->mixers.used; i++) {
|
|
struct snd_kcontrol *sctl = items[i].kctl;
|
|
if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
|
|
continue;
|
|
for (s = slaves; *s; s++) {
|
|
char tmpname[sizeof(sctl->id.name)];
|
|
const char *name = *s;
|
|
if (suffix) {
|
|
snprintf(tmpname, sizeof(tmpname), "%s %s",
|
|
name, suffix);
|
|
name = tmpname;
|
|
}
|
|
if (!strcmp(sctl->id.name, name)) {
|
|
err = func(codec, data, sctl);
|
|
if (err)
|
|
return err;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int check_slave_present(struct hda_codec *codec,
|
|
void *data, struct snd_kcontrol *sctl)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
/* guess the value corresponding to 0dB */
|
|
static int get_kctl_0dB_offset(struct hda_codec *codec,
|
|
struct snd_kcontrol *kctl, int *step_to_check)
|
|
{
|
|
int _tlv[4];
|
|
const int *tlv = NULL;
|
|
int val = -1;
|
|
|
|
if ((kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) &&
|
|
kctl->tlv.c == snd_hda_mixer_amp_tlv) {
|
|
get_ctl_amp_tlv(kctl, _tlv);
|
|
tlv = _tlv;
|
|
} else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
|
|
tlv = kctl->tlv.p;
|
|
if (tlv && tlv[0] == SNDRV_CTL_TLVT_DB_SCALE) {
|
|
int step = tlv[3];
|
|
step &= ~TLV_DB_SCALE_MUTE;
|
|
if (!step)
|
|
return -1;
|
|
if (*step_to_check && *step_to_check != step) {
|
|
codec_err(codec, "Mismatching dB step for vmaster slave (%d!=%d)\n",
|
|
- *step_to_check, step);
|
|
return -1;
|
|
}
|
|
*step_to_check = step;
|
|
val = -tlv[2] / step;
|
|
}
|
|
return val;
|
|
}
|
|
|
|
/* call kctl->put with the given value(s) */
|
|
static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
|
|
{
|
|
struct snd_ctl_elem_value *ucontrol;
|
|
ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
|
|
if (!ucontrol)
|
|
return -ENOMEM;
|
|
ucontrol->value.integer.value[0] = val;
|
|
ucontrol->value.integer.value[1] = val;
|
|
kctl->put(kctl, ucontrol);
|
|
kfree(ucontrol);
|
|
return 0;
|
|
}
|
|
|
|
/* initialize the slave volume with 0dB */
|
|
static int init_slave_0dB(struct hda_codec *codec,
|
|
void *data, struct snd_kcontrol *slave)
|
|
{
|
|
int offset = get_kctl_0dB_offset(codec, slave, data);
|
|
if (offset > 0)
|
|
put_kctl_with_value(slave, offset);
|
|
return 0;
|
|
}
|
|
|
|
/* unmute the slave */
|
|
static int init_slave_unmute(struct hda_codec *codec,
|
|
void *data, struct snd_kcontrol *slave)
|
|
{
|
|
return put_kctl_with_value(slave, 1);
|
|
}
|
|
|
|
static int add_slave(struct hda_codec *codec,
|
|
void *data, struct snd_kcontrol *slave)
|
|
{
|
|
return snd_ctl_add_slave(data, slave);
|
|
}
|
|
|
|
/**
|
|
* __snd_hda_add_vmaster - create a virtual master control and add slaves
|
|
* @codec: HD-audio codec
|
|
* @name: vmaster control name
|
|
* @tlv: TLV data (optional)
|
|
* @slaves: slave control names (optional)
|
|
* @suffix: suffix string to each slave name (optional)
|
|
* @init_slave_vol: initialize slaves to unmute/0dB
|
|
* @ctl_ret: store the vmaster kcontrol in return
|
|
*
|
|
* Create a virtual master control with the given name. The TLV data
|
|
* must be either NULL or a valid data.
|
|
*
|
|
* @slaves is a NULL-terminated array of strings, each of which is a
|
|
* slave control name. All controls with these names are assigned to
|
|
* the new virtual master control.
|
|
*
|
|
* This function returns zero if successful or a negative error code.
|
|
*/
|
|
int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
|
|
unsigned int *tlv, const char * const *slaves,
|
|
const char *suffix, bool init_slave_vol,
|
|
struct snd_kcontrol **ctl_ret)
|
|
{
|
|
struct snd_kcontrol *kctl;
|
|
int err;
|
|
|
|
if (ctl_ret)
|
|
*ctl_ret = NULL;
|
|
|
|
err = map_slaves(codec, slaves, suffix, check_slave_present, NULL);
|
|
if (err != 1) {
|
|
codec_dbg(codec, "No slave found for %s\n", name);
|
|
return 0;
|
|
}
|
|
kctl = snd_ctl_make_virtual_master(name, tlv);
|
|
if (!kctl)
|
|
return -ENOMEM;
|
|
err = snd_hda_ctl_add(codec, 0, kctl);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = map_slaves(codec, slaves, suffix, add_slave, kctl);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* init with master mute & zero volume */
|
|
put_kctl_with_value(kctl, 0);
|
|
if (init_slave_vol) {
|
|
int step = 0;
|
|
map_slaves(codec, slaves, suffix,
|
|
tlv ? init_slave_0dB : init_slave_unmute, &step);
|
|
}
|
|
|
|
if (ctl_ret)
|
|
*ctl_ret = kctl;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
|
|
|
|
/*
|
|
* mute-LED control using vmaster
|
|
*/
|
|
static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
static const char * const texts[] = {
|
|
"On", "Off", "Follow Master"
|
|
};
|
|
|
|
return snd_ctl_enum_info(uinfo, 1, 3, texts);
|
|
}
|
|
|
|
static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
|
|
ucontrol->value.enumerated.item[0] = hook->mute_mode;
|
|
return 0;
|
|
}
|
|
|
|
static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
|
|
unsigned int old_mode = hook->mute_mode;
|
|
|
|
hook->mute_mode = ucontrol->value.enumerated.item[0];
|
|
if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER)
|
|
hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
|
|
if (old_mode == hook->mute_mode)
|
|
return 0;
|
|
snd_hda_sync_vmaster_hook(hook);
|
|
return 1;
|
|
}
|
|
|
|
static const struct snd_kcontrol_new vmaster_mute_mode = {
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Mute-LED Mode",
|
|
.info = vmaster_mute_mode_info,
|
|
.get = vmaster_mute_mode_get,
|
|
.put = vmaster_mute_mode_put,
|
|
};
|
|
|
|
/* meta hook to call each driver's vmaster hook */
|
|
static void vmaster_hook(void *private_data, int enabled)
|
|
{
|
|
struct hda_vmaster_mute_hook *hook = private_data;
|
|
|
|
if (hook->mute_mode != HDA_VMUTE_FOLLOW_MASTER)
|
|
enabled = hook->mute_mode;
|
|
hook->hook(hook->codec, enabled);
|
|
}
|
|
|
|
/**
|
|
* snd_hda_add_vmaster_hook - Add a vmaster hook for mute-LED
|
|
* @codec: the HDA codec
|
|
* @hook: the vmaster hook object
|
|
* @expose_enum_ctl: flag to create an enum ctl
|
|
*
|
|
* Add a mute-LED hook with the given vmaster switch kctl.
|
|
* When @expose_enum_ctl is set, "Mute-LED Mode" control is automatically
|
|
* created and associated with the given hook.
|
|
*/
|
|
int snd_hda_add_vmaster_hook(struct hda_codec *codec,
|
|
struct hda_vmaster_mute_hook *hook,
|
|
bool expose_enum_ctl)
|
|
{
|
|
struct snd_kcontrol *kctl;
|
|
|
|
if (!hook->hook || !hook->sw_kctl)
|
|
return 0;
|
|
hook->codec = codec;
|
|
hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
|
|
snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
|
|
if (!expose_enum_ctl)
|
|
return 0;
|
|
kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
|
|
if (!kctl)
|
|
return -ENOMEM;
|
|
return snd_hda_ctl_add(codec, 0, kctl);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
|
|
|
|
/**
|
|
* snd_hda_sync_vmaster_hook - Sync vmaster hook
|
|
* @hook: the vmaster hook
|
|
*
|
|
* Call the hook with the current value for synchronization.
|
|
* Should be called in init callback.
|
|
*/
|
|
void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
|
|
{
|
|
if (!hook->hook || !hook->codec)
|
|
return;
|
|
/* don't call vmaster hook in the destructor since it might have
|
|
* been already destroyed
|
|
*/
|
|
if (hook->codec->bus->shutdown)
|
|
return;
|
|
snd_ctl_sync_vmaster_hook(hook->sw_kctl);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
|
|
|
|
|
|
/**
|
|
* snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
|
|
* @kcontrol: referred ctl element
|
|
* @uinfo: pointer to get/store the data
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
|
|
*/
|
|
int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
int chs = get_amp_channels(kcontrol);
|
|
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
|
|
uinfo->count = chs == 3 ? 2 : 1;
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = 1;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
|
|
|
|
/**
|
|
* snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
|
|
* @kcontrol: ctl element
|
|
* @ucontrol: pointer to get/store the data
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
|
|
*/
|
|
int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
hda_nid_t nid = get_amp_nid(kcontrol);
|
|
int chs = get_amp_channels(kcontrol);
|
|
int dir = get_amp_direction(kcontrol);
|
|
int idx = get_amp_index(kcontrol);
|
|
long *valp = ucontrol->value.integer.value;
|
|
|
|
if (chs & 1)
|
|
*valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
|
|
HDA_AMP_MUTE) ? 0 : 1;
|
|
if (chs & 2)
|
|
*valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
|
|
HDA_AMP_MUTE) ? 0 : 1;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
|
|
|
|
/**
|
|
* snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
|
|
* @kcontrol: ctl element
|
|
* @ucontrol: pointer to get/store the data
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
|
|
*/
|
|
int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
hda_nid_t nid = get_amp_nid(kcontrol);
|
|
int chs = get_amp_channels(kcontrol);
|
|
int dir = get_amp_direction(kcontrol);
|
|
int idx = get_amp_index(kcontrol);
|
|
long *valp = ucontrol->value.integer.value;
|
|
int change = 0;
|
|
|
|
if (chs & 1) {
|
|
change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
|
|
HDA_AMP_MUTE,
|
|
*valp ? 0 : HDA_AMP_MUTE);
|
|
valp++;
|
|
}
|
|
if (chs & 2)
|
|
change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
|
|
HDA_AMP_MUTE,
|
|
*valp ? 0 : HDA_AMP_MUTE);
|
|
hda_call_check_power_status(codec, nid);
|
|
return change;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
|
|
|
|
/*
|
|
* SPDIF out controls
|
|
*/
|
|
|
|
static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
|
|
uinfo->count = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
|
|
IEC958_AES0_NONAUDIO |
|
|
IEC958_AES0_CON_EMPHASIS_5015 |
|
|
IEC958_AES0_CON_NOT_COPYRIGHT;
|
|
ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
|
|
IEC958_AES1_CON_ORIGINAL;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
|
|
IEC958_AES0_NONAUDIO |
|
|
IEC958_AES0_PRO_EMPHASIS_5015;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
int idx = kcontrol->private_value;
|
|
struct hda_spdif_out *spdif;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
spdif = snd_array_elem(&codec->spdif_out, idx);
|
|
ucontrol->value.iec958.status[0] = spdif->status & 0xff;
|
|
ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
|
|
ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
|
|
ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* convert from SPDIF status bits to HDA SPDIF bits
|
|
* bit 0 (DigEn) is always set zero (to be filled later)
|
|
*/
|
|
static unsigned short convert_from_spdif_status(unsigned int sbits)
|
|
{
|
|
unsigned short val = 0;
|
|
|
|
if (sbits & IEC958_AES0_PROFESSIONAL)
|
|
val |= AC_DIG1_PROFESSIONAL;
|
|
if (sbits & IEC958_AES0_NONAUDIO)
|
|
val |= AC_DIG1_NONAUDIO;
|
|
if (sbits & IEC958_AES0_PROFESSIONAL) {
|
|
if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
|
|
IEC958_AES0_PRO_EMPHASIS_5015)
|
|
val |= AC_DIG1_EMPHASIS;
|
|
} else {
|
|
if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
|
|
IEC958_AES0_CON_EMPHASIS_5015)
|
|
val |= AC_DIG1_EMPHASIS;
|
|
if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
|
|
val |= AC_DIG1_COPYRIGHT;
|
|
if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
|
|
val |= AC_DIG1_LEVEL;
|
|
val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
|
|
}
|
|
return val;
|
|
}
|
|
|
|
/* convert to SPDIF status bits from HDA SPDIF bits
|
|
*/
|
|
static unsigned int convert_to_spdif_status(unsigned short val)
|
|
{
|
|
unsigned int sbits = 0;
|
|
|
|
if (val & AC_DIG1_NONAUDIO)
|
|
sbits |= IEC958_AES0_NONAUDIO;
|
|
if (val & AC_DIG1_PROFESSIONAL)
|
|
sbits |= IEC958_AES0_PROFESSIONAL;
|
|
if (sbits & IEC958_AES0_PROFESSIONAL) {
|
|
if (val & AC_DIG1_EMPHASIS)
|
|
sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
|
|
} else {
|
|
if (val & AC_DIG1_EMPHASIS)
|
|
sbits |= IEC958_AES0_CON_EMPHASIS_5015;
|
|
if (!(val & AC_DIG1_COPYRIGHT))
|
|
sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
|
|
if (val & AC_DIG1_LEVEL)
|
|
sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
|
|
sbits |= val & (0x7f << 8);
|
|
}
|
|
return sbits;
|
|
}
|
|
|
|
/* set digital convert verbs both for the given NID and its slaves */
|
|
static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
|
|
int mask, int val)
|
|
{
|
|
const hda_nid_t *d;
|
|
|
|
snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
|
|
mask, val);
|
|
d = codec->slave_dig_outs;
|
|
if (!d)
|
|
return;
|
|
for (; *d; d++)
|
|
snd_hdac_regmap_update(&codec->core, *d,
|
|
AC_VERB_SET_DIGI_CONVERT_1, mask, val);
|
|
}
|
|
|
|
static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
|
|
int dig1, int dig2)
|
|
{
|
|
unsigned int mask = 0;
|
|
unsigned int val = 0;
|
|
|
|
if (dig1 != -1) {
|
|
mask |= 0xff;
|
|
val = dig1;
|
|
}
|
|
if (dig2 != -1) {
|
|
mask |= 0xff00;
|
|
val |= dig2 << 8;
|
|
}
|
|
set_dig_out(codec, nid, mask, val);
|
|
}
|
|
|
|
static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
int idx = kcontrol->private_value;
|
|
struct hda_spdif_out *spdif;
|
|
hda_nid_t nid;
|
|
unsigned short val;
|
|
int change;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
spdif = snd_array_elem(&codec->spdif_out, idx);
|
|
nid = spdif->nid;
|
|
spdif->status = ucontrol->value.iec958.status[0] |
|
|
((unsigned int)ucontrol->value.iec958.status[1] << 8) |
|
|
((unsigned int)ucontrol->value.iec958.status[2] << 16) |
|
|
((unsigned int)ucontrol->value.iec958.status[3] << 24);
|
|
val = convert_from_spdif_status(spdif->status);
|
|
val |= spdif->ctls & 1;
|
|
change = spdif->ctls != val;
|
|
spdif->ctls = val;
|
|
if (change && nid != (u16)-1)
|
|
set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return change;
|
|
}
|
|
|
|
#define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
|
|
|
|
static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
int idx = kcontrol->private_value;
|
|
struct hda_spdif_out *spdif;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
spdif = snd_array_elem(&codec->spdif_out, idx);
|
|
ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return 0;
|
|
}
|
|
|
|
static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
|
|
int dig1, int dig2)
|
|
{
|
|
set_dig_out_convert(codec, nid, dig1, dig2);
|
|
/* unmute amp switch (if any) */
|
|
if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
|
|
(dig1 & AC_DIG1_ENABLE))
|
|
snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
|
|
HDA_AMP_MUTE, 0);
|
|
}
|
|
|
|
static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
int idx = kcontrol->private_value;
|
|
struct hda_spdif_out *spdif;
|
|
hda_nid_t nid;
|
|
unsigned short val;
|
|
int change;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
spdif = snd_array_elem(&codec->spdif_out, idx);
|
|
nid = spdif->nid;
|
|
val = spdif->ctls & ~AC_DIG1_ENABLE;
|
|
if (ucontrol->value.integer.value[0])
|
|
val |= AC_DIG1_ENABLE;
|
|
change = spdif->ctls != val;
|
|
spdif->ctls = val;
|
|
if (change && nid != (u16)-1)
|
|
set_spdif_ctls(codec, nid, val & 0xff, -1);
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return change;
|
|
}
|
|
|
|
static struct snd_kcontrol_new dig_mixes[] = {
|
|
{
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READ,
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
|
|
.info = snd_hda_spdif_mask_info,
|
|
.get = snd_hda_spdif_cmask_get,
|
|
},
|
|
{
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READ,
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
|
|
.info = snd_hda_spdif_mask_info,
|
|
.get = snd_hda_spdif_pmask_get,
|
|
},
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
|
|
.info = snd_hda_spdif_mask_info,
|
|
.get = snd_hda_spdif_default_get,
|
|
.put = snd_hda_spdif_default_put,
|
|
},
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
|
|
.info = snd_hda_spdif_out_switch_info,
|
|
.get = snd_hda_spdif_out_switch_get,
|
|
.put = snd_hda_spdif_out_switch_put,
|
|
},
|
|
{ } /* end */
|
|
};
|
|
|
|
/**
|
|
* snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
|
|
* @codec: the HDA codec
|
|
* @associated_nid: NID that new ctls associated with
|
|
* @cvt_nid: converter NID
|
|
* @type: HDA_PCM_TYPE_*
|
|
* Creates controls related with the digital output.
|
|
* Called from each patch supporting the digital out.
|
|
*
|
|
* Returns 0 if successful, or a negative error code.
|
|
*/
|
|
int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
|
|
hda_nid_t associated_nid,
|
|
hda_nid_t cvt_nid,
|
|
int type)
|
|
{
|
|
int err;
|
|
struct snd_kcontrol *kctl;
|
|
struct snd_kcontrol_new *dig_mix;
|
|
int idx = 0;
|
|
int val = 0;
|
|
const int spdif_index = 16;
|
|
struct hda_spdif_out *spdif;
|
|
struct hda_bus *bus = codec->bus;
|
|
|
|
if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
|
|
type == HDA_PCM_TYPE_SPDIF) {
|
|
idx = spdif_index;
|
|
} else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
|
|
type == HDA_PCM_TYPE_HDMI) {
|
|
/* suppose a single SPDIF device */
|
|
for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
|
|
kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
|
|
if (!kctl)
|
|
break;
|
|
kctl->id.index = spdif_index;
|
|
}
|
|
bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
|
|
}
|
|
if (!bus->primary_dig_out_type)
|
|
bus->primary_dig_out_type = type;
|
|
|
|
idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
|
|
if (idx < 0) {
|
|
codec_err(codec, "too many IEC958 outputs\n");
|
|
return -EBUSY;
|
|
}
|
|
spdif = snd_array_new(&codec->spdif_out);
|
|
if (!spdif)
|
|
return -ENOMEM;
|
|
for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
|
|
kctl = snd_ctl_new1(dig_mix, codec);
|
|
if (!kctl)
|
|
return -ENOMEM;
|
|
kctl->id.index = idx;
|
|
kctl->private_value = codec->spdif_out.used - 1;
|
|
err = snd_hda_ctl_add(codec, associated_nid, kctl);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
spdif->nid = cvt_nid;
|
|
snd_hdac_regmap_read(&codec->core, cvt_nid,
|
|
AC_VERB_GET_DIGI_CONVERT_1, &val);
|
|
spdif->ctls = val;
|
|
spdif->status = convert_to_spdif_status(spdif->ctls);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
|
|
|
|
/**
|
|
* snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID
|
|
* @codec: the HDA codec
|
|
* @nid: widget NID
|
|
*
|
|
* call within spdif_mutex lock
|
|
*/
|
|
struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
|
|
hda_nid_t nid)
|
|
{
|
|
int i;
|
|
for (i = 0; i < codec->spdif_out.used; i++) {
|
|
struct hda_spdif_out *spdif =
|
|
snd_array_elem(&codec->spdif_out, i);
|
|
if (spdif->nid == nid)
|
|
return spdif;
|
|
}
|
|
return NULL;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
|
|
|
|
/**
|
|
* snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl
|
|
* @codec: the HDA codec
|
|
* @idx: the SPDIF ctl index
|
|
*
|
|
* Unassign the widget from the given SPDIF control.
|
|
*/
|
|
void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
|
|
{
|
|
struct hda_spdif_out *spdif;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
spdif = snd_array_elem(&codec->spdif_out, idx);
|
|
spdif->nid = (u16)-1;
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
|
|
|
|
/**
|
|
* snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID
|
|
* @codec: the HDA codec
|
|
* @idx: the SPDIF ctl idx
|
|
* @nid: widget NID
|
|
*
|
|
* Assign the widget to the SPDIF control with the given index.
|
|
*/
|
|
void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
|
|
{
|
|
struct hda_spdif_out *spdif;
|
|
unsigned short val;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
spdif = snd_array_elem(&codec->spdif_out, idx);
|
|
if (spdif->nid != nid) {
|
|
spdif->nid = nid;
|
|
val = spdif->ctls;
|
|
set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
|
|
}
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
|
|
|
|
/*
|
|
* SPDIF sharing with analog output
|
|
*/
|
|
static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
|
|
ucontrol->value.integer.value[0] = mout->share_spdif;
|
|
return 0;
|
|
}
|
|
|
|
static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
|
|
mout->share_spdif = !!ucontrol->value.integer.value[0];
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_kcontrol_new spdif_share_sw = {
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "IEC958 Default PCM Playback Switch",
|
|
.info = snd_ctl_boolean_mono_info,
|
|
.get = spdif_share_sw_get,
|
|
.put = spdif_share_sw_put,
|
|
};
|
|
|
|
/**
|
|
* snd_hda_create_spdif_share_sw - create Default PCM switch
|
|
* @codec: the HDA codec
|
|
* @mout: multi-out instance
|
|
*/
|
|
int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
|
|
struct hda_multi_out *mout)
|
|
{
|
|
struct snd_kcontrol *kctl;
|
|
|
|
if (!mout->dig_out_nid)
|
|
return 0;
|
|
|
|
kctl = snd_ctl_new1(&spdif_share_sw, mout);
|
|
if (!kctl)
|
|
return -ENOMEM;
|
|
/* ATTENTION: here mout is passed as private_data, instead of codec */
|
|
return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
|
|
|
|
/*
|
|
* SPDIF input
|
|
*/
|
|
|
|
#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
|
|
|
|
static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
|
|
ucontrol->value.integer.value[0] = codec->spdif_in_enable;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
hda_nid_t nid = kcontrol->private_value;
|
|
unsigned int val = !!ucontrol->value.integer.value[0];
|
|
int change;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
change = codec->spdif_in_enable != val;
|
|
if (change) {
|
|
codec->spdif_in_enable = val;
|
|
snd_hdac_regmap_write(&codec->core, nid,
|
|
AC_VERB_SET_DIGI_CONVERT_1, val);
|
|
}
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return change;
|
|
}
|
|
|
|
static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
hda_nid_t nid = kcontrol->private_value;
|
|
unsigned int val;
|
|
unsigned int sbits;
|
|
|
|
snd_hdac_regmap_read(&codec->core, nid,
|
|
AC_VERB_GET_DIGI_CONVERT_1, &val);
|
|
sbits = convert_to_spdif_status(val);
|
|
ucontrol->value.iec958.status[0] = sbits;
|
|
ucontrol->value.iec958.status[1] = sbits >> 8;
|
|
ucontrol->value.iec958.status[2] = sbits >> 16;
|
|
ucontrol->value.iec958.status[3] = sbits >> 24;
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_kcontrol_new dig_in_ctls[] = {
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
|
|
.info = snd_hda_spdif_in_switch_info,
|
|
.get = snd_hda_spdif_in_switch_get,
|
|
.put = snd_hda_spdif_in_switch_put,
|
|
},
|
|
{
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READ,
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
|
|
.info = snd_hda_spdif_mask_info,
|
|
.get = snd_hda_spdif_in_status_get,
|
|
},
|
|
{ } /* end */
|
|
};
|
|
|
|
/**
|
|
* snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
|
|
* @codec: the HDA codec
|
|
* @nid: audio in widget NID
|
|
*
|
|
* Creates controls related with the SPDIF input.
|
|
* Called from each patch supporting the SPDIF in.
|
|
*
|
|
* Returns 0 if successful, or a negative error code.
|
|
*/
|
|
int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
int err;
|
|
struct snd_kcontrol *kctl;
|
|
struct snd_kcontrol_new *dig_mix;
|
|
int idx;
|
|
|
|
idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
|
|
if (idx < 0) {
|
|
codec_err(codec, "too many IEC958 inputs\n");
|
|
return -EBUSY;
|
|
}
|
|
for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
|
|
kctl = snd_ctl_new1(dig_mix, codec);
|
|
if (!kctl)
|
|
return -ENOMEM;
|
|
kctl->private_value = nid;
|
|
err = snd_hda_ctl_add(codec, nid, kctl);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
codec->spdif_in_enable =
|
|
snd_hda_codec_read(codec, nid, 0,
|
|
AC_VERB_GET_DIGI_CONVERT_1, 0) &
|
|
AC_DIG1_ENABLE;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
|
|
|
|
/**
|
|
* snd_hda_codec_set_power_to_all - Set the power state to all widgets
|
|
* @codec: the HDA codec
|
|
* @fg: function group (not used now)
|
|
* @power_state: the power state to set (AC_PWRST_*)
|
|
*
|
|
* Set the given power state to all widgets that have the power control.
|
|
* If the codec has power_filter set, it evaluates the power state and
|
|
* filter out if it's unchanged as D3.
|
|
*/
|
|
void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
|
|
unsigned int power_state)
|
|
{
|
|
hda_nid_t nid;
|
|
|
|
for_each_hda_codec_node(nid, codec) {
|
|
unsigned int wcaps = get_wcaps(codec, nid);
|
|
unsigned int state = power_state;
|
|
if (!(wcaps & AC_WCAP_POWER))
|
|
continue;
|
|
if (codec->power_filter) {
|
|
state = codec->power_filter(codec, nid, power_state);
|
|
if (state != power_state && power_state == AC_PWRST_D3)
|
|
continue;
|
|
}
|
|
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
|
|
state);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
|
|
|
|
/*
|
|
* wait until the state is reached, returns the current state
|
|
*/
|
|
static unsigned int hda_sync_power_state(struct hda_codec *codec,
|
|
hda_nid_t fg,
|
|
unsigned int power_state)
|
|
{
|
|
unsigned long end_time = jiffies + msecs_to_jiffies(500);
|
|
unsigned int state, actual_state;
|
|
|
|
for (;;) {
|
|
state = snd_hda_codec_read(codec, fg, 0,
|
|
AC_VERB_GET_POWER_STATE, 0);
|
|
if (state & AC_PWRST_ERROR)
|
|
break;
|
|
actual_state = (state >> 4) & 0x0f;
|
|
if (actual_state == power_state)
|
|
break;
|
|
if (time_after_eq(jiffies, end_time))
|
|
break;
|
|
/* wait until the codec reachs to the target state */
|
|
msleep(1);
|
|
}
|
|
return state;
|
|
}
|
|
|
|
/**
|
|
* snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
|
|
* @codec: the HDA codec
|
|
* @nid: widget NID
|
|
* @power_state: power state to evalue
|
|
*
|
|
* Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set.
|
|
* This can be used a codec power_filter callback.
|
|
*/
|
|
unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
|
|
hda_nid_t nid,
|
|
unsigned int power_state)
|
|
{
|
|
if (nid == codec->core.afg || nid == codec->core.mfg)
|
|
return power_state;
|
|
if (power_state == AC_PWRST_D3 &&
|
|
get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
|
|
(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
|
|
int eapd = snd_hda_codec_read(codec, nid, 0,
|
|
AC_VERB_GET_EAPD_BTLENABLE, 0);
|
|
if (eapd & 0x02)
|
|
return AC_PWRST_D0;
|
|
}
|
|
return power_state;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
|
|
|
|
/*
|
|
* set power state of the codec, and return the power state
|
|
*/
|
|
static unsigned int hda_set_power_state(struct hda_codec *codec,
|
|
unsigned int power_state)
|
|
{
|
|
hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
|
|
int count;
|
|
unsigned int state;
|
|
int flags = 0;
|
|
|
|
/* this delay seems necessary to avoid click noise at power-down */
|
|
if (power_state == AC_PWRST_D3) {
|
|
if (codec->depop_delay < 0)
|
|
msleep(codec_has_epss(codec) ? 10 : 100);
|
|
else if (codec->depop_delay > 0)
|
|
msleep(codec->depop_delay);
|
|
flags = HDA_RW_NO_RESPONSE_FALLBACK;
|
|
}
|
|
|
|
/* repeat power states setting at most 10 times*/
|
|
for (count = 0; count < 10; count++) {
|
|
if (codec->patch_ops.set_power_state)
|
|
codec->patch_ops.set_power_state(codec, fg,
|
|
power_state);
|
|
else {
|
|
state = power_state;
|
|
if (codec->power_filter)
|
|
state = codec->power_filter(codec, fg, state);
|
|
if (state == power_state || power_state != AC_PWRST_D3)
|
|
snd_hda_codec_read(codec, fg, flags,
|
|
AC_VERB_SET_POWER_STATE,
|
|
state);
|
|
snd_hda_codec_set_power_to_all(codec, fg, power_state);
|
|
}
|
|
state = hda_sync_power_state(codec, fg, power_state);
|
|
if (!(state & AC_PWRST_ERROR))
|
|
break;
|
|
}
|
|
|
|
return state;
|
|
}
|
|
|
|
/* sync power states of all widgets;
|
|
* this is called at the end of codec parsing
|
|
*/
|
|
static void sync_power_up_states(struct hda_codec *codec)
|
|
{
|
|
hda_nid_t nid;
|
|
|
|
/* don't care if no filter is used */
|
|
if (!codec->power_filter)
|
|
return;
|
|
|
|
for_each_hda_codec_node(nid, codec) {
|
|
unsigned int wcaps = get_wcaps(codec, nid);
|
|
unsigned int target;
|
|
if (!(wcaps & AC_WCAP_POWER))
|
|
continue;
|
|
target = codec->power_filter(codec, nid, AC_PWRST_D0);
|
|
if (target == AC_PWRST_D0)
|
|
continue;
|
|
if (!snd_hda_check_power_state(codec, nid, target))
|
|
snd_hda_codec_write(codec, nid, 0,
|
|
AC_VERB_SET_POWER_STATE, target);
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_SND_HDA_RECONFIG
|
|
/* execute additional init verbs */
|
|
static void hda_exec_init_verbs(struct hda_codec *codec)
|
|
{
|
|
if (codec->init_verbs.list)
|
|
snd_hda_sequence_write(codec, codec->init_verbs.list);
|
|
}
|
|
#else
|
|
static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
|
|
#endif
|
|
|
|
#ifdef CONFIG_PM
|
|
/* update the power on/off account with the current jiffies */
|
|
static void update_power_acct(struct hda_codec *codec, bool on)
|
|
{
|
|
unsigned long delta = jiffies - codec->power_jiffies;
|
|
|
|
if (on)
|
|
codec->power_on_acct += delta;
|
|
else
|
|
codec->power_off_acct += delta;
|
|
codec->power_jiffies += delta;
|
|
}
|
|
|
|
void snd_hda_update_power_acct(struct hda_codec *codec)
|
|
{
|
|
update_power_acct(codec, hda_codec_is_power_on(codec));
|
|
}
|
|
|
|
/*
|
|
* call suspend and power-down; used both from PM and power-save
|
|
* this function returns the power state in the end
|
|
*/
|
|
static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
|
|
{
|
|
unsigned int state;
|
|
|
|
atomic_inc(&codec->core.in_pm);
|
|
|
|
if (codec->patch_ops.suspend)
|
|
codec->patch_ops.suspend(codec);
|
|
hda_cleanup_all_streams(codec);
|
|
state = hda_set_power_state(codec, AC_PWRST_D3);
|
|
update_power_acct(codec, true);
|
|
atomic_dec(&codec->core.in_pm);
|
|
return state;
|
|
}
|
|
|
|
/*
|
|
* kick up codec; used both from PM and power-save
|
|
*/
|
|
static void hda_call_codec_resume(struct hda_codec *codec)
|
|
{
|
|
atomic_inc(&codec->core.in_pm);
|
|
|
|
if (codec->core.regmap)
|
|
regcache_mark_dirty(codec->core.regmap);
|
|
|
|
codec->power_jiffies = jiffies;
|
|
|
|
hda_set_power_state(codec, AC_PWRST_D0);
|
|
restore_shutup_pins(codec);
|
|
hda_exec_init_verbs(codec);
|
|
snd_hda_jack_set_dirty_all(codec);
|
|
if (codec->patch_ops.resume)
|
|
codec->patch_ops.resume(codec);
|
|
else {
|
|
if (codec->patch_ops.init)
|
|
codec->patch_ops.init(codec);
|
|
if (codec->core.regmap)
|
|
regcache_sync(codec->core.regmap);
|
|
}
|
|
|
|
if (codec->jackpoll_interval)
|
|
hda_jackpoll_work(&codec->jackpoll_work.work);
|
|
else
|
|
snd_hda_jack_report_sync(codec);
|
|
atomic_dec(&codec->core.in_pm);
|
|
}
|
|
|
|
static int hda_codec_runtime_suspend(struct device *dev)
|
|
{
|
|
struct hda_codec *codec = dev_to_hda_codec(dev);
|
|
struct hda_pcm *pcm;
|
|
unsigned int state;
|
|
|
|
cancel_delayed_work_sync(&codec->jackpoll_work);
|
|
list_for_each_entry(pcm, &codec->pcm_list_head, list)
|
|
snd_pcm_suspend_all(pcm->pcm);
|
|
state = hda_call_codec_suspend(codec);
|
|
if (codec_has_clkstop(codec) && codec_has_epss(codec) &&
|
|
(state & AC_PWRST_CLK_STOP_OK))
|
|
snd_hdac_codec_link_down(&codec->core);
|
|
snd_hdac_link_power(&codec->core, false);
|
|
return 0;
|
|
}
|
|
|
|
static int hda_codec_runtime_resume(struct device *dev)
|
|
{
|
|
struct hda_codec *codec = dev_to_hda_codec(dev);
|
|
|
|
snd_hdac_link_power(&codec->core, true);
|
|
snd_hdac_codec_link_up(&codec->core);
|
|
hda_call_codec_resume(codec);
|
|
pm_runtime_mark_last_busy(dev);
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_PM */
|
|
|
|
/* referred in hda_bind.c */
|
|
const struct dev_pm_ops hda_codec_driver_pm = {
|
|
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
|
|
pm_runtime_force_resume)
|
|
SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
|
|
NULL)
|
|
};
|
|
|
|
/*
|
|
* add standard channel maps if not specified
|
|
*/
|
|
static int add_std_chmaps(struct hda_codec *codec)
|
|
{
|
|
struct hda_pcm *pcm;
|
|
int str, err;
|
|
|
|
list_for_each_entry(pcm, &codec->pcm_list_head, list) {
|
|
for (str = 0; str < 2; str++) {
|
|
struct hda_pcm_stream *hinfo = &pcm->stream[str];
|
|
struct snd_pcm_chmap *chmap;
|
|
const struct snd_pcm_chmap_elem *elem;
|
|
|
|
if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
|
|
continue;
|
|
elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
|
|
err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
|
|
hinfo->channels_max,
|
|
0, &chmap);
|
|
if (err < 0)
|
|
return err;
|
|
chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* default channel maps for 2.1 speakers;
|
|
* since HD-audio supports only stereo, odd number channels are omitted
|
|
*/
|
|
const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
|
|
{ .channels = 2,
|
|
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
|
|
{ .channels = 4,
|
|
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
|
|
SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
|
|
{ }
|
|
};
|
|
EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
|
|
|
|
int snd_hda_codec_build_controls(struct hda_codec *codec)
|
|
{
|
|
int err = 0;
|
|
hda_exec_init_verbs(codec);
|
|
/* continue to initialize... */
|
|
if (codec->patch_ops.init)
|
|
err = codec->patch_ops.init(codec);
|
|
if (!err && codec->patch_ops.build_controls)
|
|
err = codec->patch_ops.build_controls(codec);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* we create chmaps here instead of build_pcms */
|
|
err = add_std_chmaps(codec);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (codec->jackpoll_interval)
|
|
hda_jackpoll_work(&codec->jackpoll_work.work);
|
|
else
|
|
snd_hda_jack_report_sync(codec); /* call at the last init point */
|
|
sync_power_up_states(codec);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* PCM stuff
|
|
*/
|
|
static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
|
|
struct hda_codec *codec,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
|
|
struct hda_codec *codec,
|
|
unsigned int stream_tag,
|
|
unsigned int format,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
|
|
return 0;
|
|
}
|
|
|
|
static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
|
|
struct hda_codec *codec,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
snd_hda_codec_cleanup_stream(codec, hinfo->nid);
|
|
return 0;
|
|
}
|
|
|
|
static int set_pcm_default_values(struct hda_codec *codec,
|
|
struct hda_pcm_stream *info)
|
|
{
|
|
int err;
|
|
|
|
/* query support PCM information from the given NID */
|
|
if (info->nid && (!info->rates || !info->formats)) {
|
|
err = snd_hda_query_supported_pcm(codec, info->nid,
|
|
info->rates ? NULL : &info->rates,
|
|
info->formats ? NULL : &info->formats,
|
|
info->maxbps ? NULL : &info->maxbps);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
if (info->ops.open == NULL)
|
|
info->ops.open = hda_pcm_default_open_close;
|
|
if (info->ops.close == NULL)
|
|
info->ops.close = hda_pcm_default_open_close;
|
|
if (info->ops.prepare == NULL) {
|
|
if (snd_BUG_ON(!info->nid))
|
|
return -EINVAL;
|
|
info->ops.prepare = hda_pcm_default_prepare;
|
|
}
|
|
if (info->ops.cleanup == NULL) {
|
|
if (snd_BUG_ON(!info->nid))
|
|
return -EINVAL;
|
|
info->ops.cleanup = hda_pcm_default_cleanup;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* codec prepare/cleanup entries
|
|
*/
|
|
/**
|
|
* snd_hda_codec_prepare - Prepare a stream
|
|
* @codec: the HDA codec
|
|
* @hinfo: PCM information
|
|
* @stream: stream tag to assign
|
|
* @format: format id to assign
|
|
* @substream: PCM substream to assign
|
|
*
|
|
* Calls the prepare callback set by the codec with the given arguments.
|
|
* Clean up the inactive streams when successful.
|
|
*/
|
|
int snd_hda_codec_prepare(struct hda_codec *codec,
|
|
struct hda_pcm_stream *hinfo,
|
|
unsigned int stream,
|
|
unsigned int format,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
int ret;
|
|
mutex_lock(&codec->bus->prepare_mutex);
|
|
if (hinfo->ops.prepare)
|
|
ret = hinfo->ops.prepare(hinfo, codec, stream, format,
|
|
substream);
|
|
else
|
|
ret = -ENODEV;
|
|
if (ret >= 0)
|
|
purify_inactive_streams(codec);
|
|
mutex_unlock(&codec->bus->prepare_mutex);
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
|
|
|
|
/**
|
|
* snd_hda_codec_cleanup - Prepare a stream
|
|
* @codec: the HDA codec
|
|
* @hinfo: PCM information
|
|
* @substream: PCM substream
|
|
*
|
|
* Calls the cleanup callback set by the codec with the given arguments.
|
|
*/
|
|
void snd_hda_codec_cleanup(struct hda_codec *codec,
|
|
struct hda_pcm_stream *hinfo,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
mutex_lock(&codec->bus->prepare_mutex);
|
|
if (hinfo->ops.cleanup)
|
|
hinfo->ops.cleanup(hinfo, codec, substream);
|
|
mutex_unlock(&codec->bus->prepare_mutex);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
|
|
|
|
/* global */
|
|
const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
|
|
"Audio", "SPDIF", "HDMI", "Modem"
|
|
};
|
|
|
|
/*
|
|
* get the empty PCM device number to assign
|
|
*/
|
|
static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
|
|
{
|
|
/* audio device indices; not linear to keep compatibility */
|
|
/* assigned to static slots up to dev#10; if more needed, assign
|
|
* the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y)
|
|
*/
|
|
static int audio_idx[HDA_PCM_NTYPES][5] = {
|
|
[HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
|
|
[HDA_PCM_TYPE_SPDIF] = { 1, -1 },
|
|
[HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
|
|
[HDA_PCM_TYPE_MODEM] = { 6, -1 },
|
|
};
|
|
int i;
|
|
|
|
if (type >= HDA_PCM_NTYPES) {
|
|
dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
|
|
return -EINVAL;
|
|
}
|
|
|
|
for (i = 0; audio_idx[type][i] >= 0; i++) {
|
|
#ifndef CONFIG_SND_DYNAMIC_MINORS
|
|
if (audio_idx[type][i] >= 8)
|
|
break;
|
|
#endif
|
|
if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
|
|
return audio_idx[type][i];
|
|
}
|
|
|
|
#ifdef CONFIG_SND_DYNAMIC_MINORS
|
|
/* non-fixed slots starting from 10 */
|
|
for (i = 10; i < 32; i++) {
|
|
if (!test_and_set_bit(i, bus->pcm_dev_bits))
|
|
return i;
|
|
}
|
|
#endif
|
|
|
|
dev_warn(bus->card->dev, "Too many %s devices\n",
|
|
snd_hda_pcm_type_name[type]);
|
|
#ifndef CONFIG_SND_DYNAMIC_MINORS
|
|
dev_warn(bus->card->dev,
|
|
"Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
|
|
#endif
|
|
return -EAGAIN;
|
|
}
|
|
|
|
/* call build_pcms ops of the given codec and set up the default parameters */
|
|
int snd_hda_codec_parse_pcms(struct hda_codec *codec)
|
|
{
|
|
struct hda_pcm *cpcm;
|
|
int err;
|
|
|
|
if (!list_empty(&codec->pcm_list_head))
|
|
return 0; /* already parsed */
|
|
|
|
if (!codec->patch_ops.build_pcms)
|
|
return 0;
|
|
|
|
err = codec->patch_ops.build_pcms(codec);
|
|
if (err < 0) {
|
|
codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
|
|
codec->core.addr, err);
|
|
return err;
|
|
}
|
|
|
|
list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
|
|
int stream;
|
|
|
|
for (stream = 0; stream < 2; stream++) {
|
|
struct hda_pcm_stream *info = &cpcm->stream[stream];
|
|
|
|
if (!info->substreams)
|
|
continue;
|
|
err = set_pcm_default_values(codec, info);
|
|
if (err < 0) {
|
|
codec_warn(codec,
|
|
"fail to setup default for PCM %s\n",
|
|
cpcm->name);
|
|
return err;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* assign all PCMs of the given codec */
|
|
int snd_hda_codec_build_pcms(struct hda_codec *codec)
|
|
{
|
|
struct hda_bus *bus = codec->bus;
|
|
struct hda_pcm *cpcm;
|
|
int dev, err;
|
|
|
|
err = snd_hda_codec_parse_pcms(codec);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* attach a new PCM streams */
|
|
list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
|
|
if (cpcm->pcm)
|
|
continue; /* already attached */
|
|
if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
|
|
continue; /* no substreams assigned */
|
|
|
|
dev = get_empty_pcm_device(bus, cpcm->pcm_type);
|
|
if (dev < 0)
|
|
continue; /* no fatal error */
|
|
cpcm->device = dev;
|
|
err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
|
|
if (err < 0) {
|
|
codec_err(codec,
|
|
"cannot attach PCM stream %d for codec #%d\n",
|
|
dev, codec->core.addr);
|
|
continue; /* no fatal error */
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* snd_hda_add_new_ctls - create controls from the array
|
|
* @codec: the HDA codec
|
|
* @knew: the array of struct snd_kcontrol_new
|
|
*
|
|
* This helper function creates and add new controls in the given array.
|
|
* The array must be terminated with an empty entry as terminator.
|
|
*
|
|
* Returns 0 if successful, or a negative error code.
|
|
*/
|
|
int snd_hda_add_new_ctls(struct hda_codec *codec,
|
|
const struct snd_kcontrol_new *knew)
|
|
{
|
|
int err;
|
|
|
|
for (; knew->name; knew++) {
|
|
struct snd_kcontrol *kctl;
|
|
int addr = 0, idx = 0;
|
|
if (knew->iface == -1) /* skip this codec private value */
|
|
continue;
|
|
for (;;) {
|
|
kctl = snd_ctl_new1(knew, codec);
|
|
if (!kctl)
|
|
return -ENOMEM;
|
|
if (addr > 0)
|
|
kctl->id.device = addr;
|
|
if (idx > 0)
|
|
kctl->id.index = idx;
|
|
err = snd_hda_ctl_add(codec, 0, kctl);
|
|
if (!err)
|
|
break;
|
|
/* try first with another device index corresponding to
|
|
* the codec addr; if it still fails (or it's the
|
|
* primary codec), then try another control index
|
|
*/
|
|
if (!addr && codec->core.addr)
|
|
addr = codec->core.addr;
|
|
else if (!idx && !knew->index) {
|
|
idx = find_empty_mixer_ctl_idx(codec,
|
|
knew->name, 0);
|
|
if (idx <= 0)
|
|
return err;
|
|
} else
|
|
return err;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
|
|
|
|
#ifdef CONFIG_PM
|
|
static void codec_set_power_save(struct hda_codec *codec, int delay)
|
|
{
|
|
struct device *dev = hda_codec_dev(codec);
|
|
|
|
if (delay == 0 && codec->auto_runtime_pm)
|
|
delay = 3000;
|
|
|
|
if (delay > 0) {
|
|
pm_runtime_set_autosuspend_delay(dev, delay);
|
|
pm_runtime_use_autosuspend(dev);
|
|
pm_runtime_allow(dev);
|
|
if (!pm_runtime_suspended(dev))
|
|
pm_runtime_mark_last_busy(dev);
|
|
} else {
|
|
pm_runtime_dont_use_autosuspend(dev);
|
|
pm_runtime_forbid(dev);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* snd_hda_set_power_save - reprogram autosuspend for the given delay
|
|
* @bus: HD-audio bus
|
|
* @delay: autosuspend delay in msec, 0 = off
|
|
*
|
|
* Synchronize the runtime PM autosuspend state from the power_save option.
|
|
*/
|
|
void snd_hda_set_power_save(struct hda_bus *bus, int delay)
|
|
{
|
|
struct hda_codec *c;
|
|
|
|
list_for_each_codec(c, bus)
|
|
codec_set_power_save(c, delay);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
|
|
|
|
/**
|
|
* snd_hda_check_amp_list_power - Check the amp list and update the power
|
|
* @codec: HD-audio codec
|
|
* @check: the object containing an AMP list and the status
|
|
* @nid: NID to check / update
|
|
*
|
|
* Check whether the given NID is in the amp list. If it's in the list,
|
|
* check the current AMP status, and update the the power-status according
|
|
* to the mute status.
|
|
*
|
|
* This function is supposed to be set or called from the check_power_status
|
|
* patch ops.
|
|
*/
|
|
int snd_hda_check_amp_list_power(struct hda_codec *codec,
|
|
struct hda_loopback_check *check,
|
|
hda_nid_t nid)
|
|
{
|
|
const struct hda_amp_list *p;
|
|
int ch, v;
|
|
|
|
if (!check->amplist)
|
|
return 0;
|
|
for (p = check->amplist; p->nid; p++) {
|
|
if (p->nid == nid)
|
|
break;
|
|
}
|
|
if (!p->nid)
|
|
return 0; /* nothing changed */
|
|
|
|
for (p = check->amplist; p->nid; p++) {
|
|
for (ch = 0; ch < 2; ch++) {
|
|
v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
|
|
p->idx);
|
|
if (!(v & HDA_AMP_MUTE) && v > 0) {
|
|
if (!check->power_on) {
|
|
check->power_on = 1;
|
|
snd_hda_power_up_pm(codec);
|
|
}
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
if (check->power_on) {
|
|
check->power_on = 0;
|
|
snd_hda_power_down_pm(codec);
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
|
|
#endif
|
|
|
|
/*
|
|
* input MUX helper
|
|
*/
|
|
|
|
/**
|
|
* snd_hda_input_mux_info_info - Info callback helper for the input-mux enum
|
|
* @imux: imux helper object
|
|
* @uinfo: pointer to get/store the data
|
|
*/
|
|
int snd_hda_input_mux_info(const struct hda_input_mux *imux,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
unsigned int index;
|
|
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
|
|
uinfo->count = 1;
|
|
uinfo->value.enumerated.items = imux->num_items;
|
|
if (!imux->num_items)
|
|
return 0;
|
|
index = uinfo->value.enumerated.item;
|
|
if (index >= imux->num_items)
|
|
index = imux->num_items - 1;
|
|
strcpy(uinfo->value.enumerated.name, imux->items[index].label);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
|
|
|
|
/**
|
|
* snd_hda_input_mux_info_put - Put callback helper for the input-mux enum
|
|
* @codec: the HDA codec
|
|
* @imux: imux helper object
|
|
* @ucontrol: pointer to get/store the data
|
|
* @nid: input mux NID
|
|
* @cur_val: pointer to get/store the current imux value
|
|
*/
|
|
int snd_hda_input_mux_put(struct hda_codec *codec,
|
|
const struct hda_input_mux *imux,
|
|
struct snd_ctl_elem_value *ucontrol,
|
|
hda_nid_t nid,
|
|
unsigned int *cur_val)
|
|
{
|
|
unsigned int idx;
|
|
|
|
if (!imux->num_items)
|
|
return 0;
|
|
idx = ucontrol->value.enumerated.item[0];
|
|
if (idx >= imux->num_items)
|
|
idx = imux->num_items - 1;
|
|
if (*cur_val == idx)
|
|
return 0;
|
|
snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
|
|
imux->items[idx].index);
|
|
*cur_val = idx;
|
|
return 1;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
|
|
|
|
|
|
/**
|
|
* snd_hda_enum_helper_info - Helper for simple enum ctls
|
|
* @kcontrol: ctl element
|
|
* @uinfo: pointer to get/store the data
|
|
* @num_items: number of enum items
|
|
* @texts: enum item string array
|
|
*
|
|
* process kcontrol info callback of a simple string enum array
|
|
* when @num_items is 0 or @texts is NULL, assume a boolean enum array
|
|
*/
|
|
int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo,
|
|
int num_items, const char * const *texts)
|
|
{
|
|
static const char * const texts_default[] = {
|
|
"Disabled", "Enabled"
|
|
};
|
|
|
|
if (!texts || !num_items) {
|
|
num_items = 2;
|
|
texts = texts_default;
|
|
}
|
|
|
|
return snd_ctl_enum_info(uinfo, 1, num_items, texts);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
|
|
|
|
/*
|
|
* Multi-channel / digital-out PCM helper functions
|
|
*/
|
|
|
|
/* setup SPDIF output stream */
|
|
static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
|
|
unsigned int stream_tag, unsigned int format)
|
|
{
|
|
struct hda_spdif_out *spdif;
|
|
unsigned int curr_fmt;
|
|
bool reset;
|
|
|
|
spdif = snd_hda_spdif_out_of_nid(codec, nid);
|
|
/* Add sanity check to pass klockwork check.
|
|
* This should never happen.
|
|
*/
|
|
if (WARN_ON(spdif == NULL))
|
|
return;
|
|
|
|
curr_fmt = snd_hda_codec_read(codec, nid, 0,
|
|
AC_VERB_GET_STREAM_FORMAT, 0);
|
|
reset = codec->spdif_status_reset &&
|
|
(spdif->ctls & AC_DIG1_ENABLE) &&
|
|
curr_fmt != format;
|
|
|
|
/* turn off SPDIF if needed; otherwise the IEC958 bits won't be
|
|
updated */
|
|
if (reset)
|
|
set_dig_out_convert(codec, nid,
|
|
spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
|
|
-1);
|
|
snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
|
|
if (codec->slave_dig_outs) {
|
|
const hda_nid_t *d;
|
|
for (d = codec->slave_dig_outs; *d; d++)
|
|
snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
|
|
format);
|
|
}
|
|
/* turn on again (if needed) */
|
|
if (reset)
|
|
set_dig_out_convert(codec, nid,
|
|
spdif->ctls & 0xff, -1);
|
|
}
|
|
|
|
static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
snd_hda_codec_cleanup_stream(codec, nid);
|
|
if (codec->slave_dig_outs) {
|
|
const hda_nid_t *d;
|
|
for (d = codec->slave_dig_outs; *d; d++)
|
|
snd_hda_codec_cleanup_stream(codec, *d);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
|
|
* @codec: the HDA codec
|
|
* @mout: hda_multi_out object
|
|
*/
|
|
int snd_hda_multi_out_dig_open(struct hda_codec *codec,
|
|
struct hda_multi_out *mout)
|
|
{
|
|
mutex_lock(&codec->spdif_mutex);
|
|
if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
|
|
/* already opened as analog dup; reset it once */
|
|
cleanup_dig_out_stream(codec, mout->dig_out_nid);
|
|
mout->dig_out_used = HDA_DIG_EXCLUSIVE;
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
|
|
|
|
/**
|
|
* snd_hda_multi_out_dig_prepare - prepare the digital out stream
|
|
* @codec: the HDA codec
|
|
* @mout: hda_multi_out object
|
|
* @stream_tag: stream tag to assign
|
|
* @format: format id to assign
|
|
* @substream: PCM substream to assign
|
|
*/
|
|
int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
|
|
struct hda_multi_out *mout,
|
|
unsigned int stream_tag,
|
|
unsigned int format,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
mutex_lock(&codec->spdif_mutex);
|
|
setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
|
|
|
|
/**
|
|
* snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
|
|
* @codec: the HDA codec
|
|
* @mout: hda_multi_out object
|
|
*/
|
|
int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
|
|
struct hda_multi_out *mout)
|
|
{
|
|
mutex_lock(&codec->spdif_mutex);
|
|
cleanup_dig_out_stream(codec, mout->dig_out_nid);
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
|
|
|
|
/**
|
|
* snd_hda_multi_out_dig_close - release the digital out stream
|
|
* @codec: the HDA codec
|
|
* @mout: hda_multi_out object
|
|
*/
|
|
int snd_hda_multi_out_dig_close(struct hda_codec *codec,
|
|
struct hda_multi_out *mout)
|
|
{
|
|
mutex_lock(&codec->spdif_mutex);
|
|
mout->dig_out_used = 0;
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
|
|
|
|
/**
|
|
* snd_hda_multi_out_analog_open - open analog outputs
|
|
* @codec: the HDA codec
|
|
* @mout: hda_multi_out object
|
|
* @substream: PCM substream to assign
|
|
* @hinfo: PCM information to assign
|
|
*
|
|
* Open analog outputs and set up the hw-constraints.
|
|
* If the digital outputs can be opened as slave, open the digital
|
|
* outputs, too.
|
|
*/
|
|
int snd_hda_multi_out_analog_open(struct hda_codec *codec,
|
|
struct hda_multi_out *mout,
|
|
struct snd_pcm_substream *substream,
|
|
struct hda_pcm_stream *hinfo)
|
|
{
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
runtime->hw.channels_max = mout->max_channels;
|
|
if (mout->dig_out_nid) {
|
|
if (!mout->analog_rates) {
|
|
mout->analog_rates = hinfo->rates;
|
|
mout->analog_formats = hinfo->formats;
|
|
mout->analog_maxbps = hinfo->maxbps;
|
|
} else {
|
|
runtime->hw.rates = mout->analog_rates;
|
|
runtime->hw.formats = mout->analog_formats;
|
|
hinfo->maxbps = mout->analog_maxbps;
|
|
}
|
|
if (!mout->spdif_rates) {
|
|
snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
|
|
&mout->spdif_rates,
|
|
&mout->spdif_formats,
|
|
&mout->spdif_maxbps);
|
|
}
|
|
mutex_lock(&codec->spdif_mutex);
|
|
if (mout->share_spdif) {
|
|
if ((runtime->hw.rates & mout->spdif_rates) &&
|
|
(runtime->hw.formats & mout->spdif_formats)) {
|
|
runtime->hw.rates &= mout->spdif_rates;
|
|
runtime->hw.formats &= mout->spdif_formats;
|
|
if (mout->spdif_maxbps < hinfo->maxbps)
|
|
hinfo->maxbps = mout->spdif_maxbps;
|
|
} else {
|
|
mout->share_spdif = 0;
|
|
/* FIXME: need notify? */
|
|
}
|
|
}
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
}
|
|
return snd_pcm_hw_constraint_step(substream->runtime, 0,
|
|
SNDRV_PCM_HW_PARAM_CHANNELS, 2);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
|
|
|
|
/**
|
|
* snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
|
|
* @codec: the HDA codec
|
|
* @mout: hda_multi_out object
|
|
* @stream_tag: stream tag to assign
|
|
* @format: format id to assign
|
|
* @substream: PCM substream to assign
|
|
*
|
|
* Set up the i/o for analog out.
|
|
* When the digital out is available, copy the front out to digital out, too.
|
|
*/
|
|
int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
|
|
struct hda_multi_out *mout,
|
|
unsigned int stream_tag,
|
|
unsigned int format,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
const hda_nid_t *nids = mout->dac_nids;
|
|
int chs = substream->runtime->channels;
|
|
struct hda_spdif_out *spdif;
|
|
int i;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
|
|
if (mout->dig_out_nid && mout->share_spdif &&
|
|
mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
|
|
if (chs == 2 && spdif != NULL &&
|
|
snd_hda_is_supported_format(codec, mout->dig_out_nid,
|
|
format) &&
|
|
!(spdif->status & IEC958_AES0_NONAUDIO)) {
|
|
mout->dig_out_used = HDA_DIG_ANALOG_DUP;
|
|
setup_dig_out_stream(codec, mout->dig_out_nid,
|
|
stream_tag, format);
|
|
} else {
|
|
mout->dig_out_used = 0;
|
|
cleanup_dig_out_stream(codec, mout->dig_out_nid);
|
|
}
|
|
}
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
|
|
/* front */
|
|
snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
|
|
0, format);
|
|
if (!mout->no_share_stream &&
|
|
mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
|
|
/* headphone out will just decode front left/right (stereo) */
|
|
snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
|
|
0, format);
|
|
/* extra outputs copied from front */
|
|
for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
|
|
if (!mout->no_share_stream && mout->hp_out_nid[i])
|
|
snd_hda_codec_setup_stream(codec,
|
|
mout->hp_out_nid[i],
|
|
stream_tag, 0, format);
|
|
|
|
/* surrounds */
|
|
for (i = 1; i < mout->num_dacs; i++) {
|
|
if (chs >= (i + 1) * 2) /* independent out */
|
|
snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
|
|
i * 2, format);
|
|
else if (!mout->no_share_stream) /* copy front */
|
|
snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
|
|
0, format);
|
|
}
|
|
|
|
/* extra surrounds */
|
|
for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
|
|
int ch = 0;
|
|
if (!mout->extra_out_nid[i])
|
|
break;
|
|
if (chs >= (i + 1) * 2)
|
|
ch = i * 2;
|
|
else if (!mout->no_share_stream)
|
|
break;
|
|
snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
|
|
stream_tag, ch, format);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
|
|
|
|
/**
|
|
* snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
|
|
* @codec: the HDA codec
|
|
* @mout: hda_multi_out object
|
|
*/
|
|
int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
|
|
struct hda_multi_out *mout)
|
|
{
|
|
const hda_nid_t *nids = mout->dac_nids;
|
|
int i;
|
|
|
|
for (i = 0; i < mout->num_dacs; i++)
|
|
snd_hda_codec_cleanup_stream(codec, nids[i]);
|
|
if (mout->hp_nid)
|
|
snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
|
|
for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
|
|
if (mout->hp_out_nid[i])
|
|
snd_hda_codec_cleanup_stream(codec,
|
|
mout->hp_out_nid[i]);
|
|
for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
|
|
if (mout->extra_out_nid[i])
|
|
snd_hda_codec_cleanup_stream(codec,
|
|
mout->extra_out_nid[i]);
|
|
mutex_lock(&codec->spdif_mutex);
|
|
if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
|
|
cleanup_dig_out_stream(codec, mout->dig_out_nid);
|
|
mout->dig_out_used = 0;
|
|
}
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
|
|
|
|
/**
|
|
* snd_hda_get_default_vref - Get the default (mic) VREF pin bits
|
|
* @codec: the HDA codec
|
|
* @pin: referred pin NID
|
|
*
|
|
* Guess the suitable VREF pin bits to be set as the pin-control value.
|
|
* Note: the function doesn't set the AC_PINCTL_IN_EN bit.
|
|
*/
|
|
unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
|
|
{
|
|
unsigned int pincap;
|
|
unsigned int oldval;
|
|
oldval = snd_hda_codec_read(codec, pin, 0,
|
|
AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
|
|
pincap = snd_hda_query_pin_caps(codec, pin);
|
|
pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
|
|
/* Exception: if the default pin setup is vref50, we give it priority */
|
|
if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
|
|
return AC_PINCTL_VREF_80;
|
|
else if (pincap & AC_PINCAP_VREF_50)
|
|
return AC_PINCTL_VREF_50;
|
|
else if (pincap & AC_PINCAP_VREF_100)
|
|
return AC_PINCTL_VREF_100;
|
|
else if (pincap & AC_PINCAP_VREF_GRD)
|
|
return AC_PINCTL_VREF_GRD;
|
|
return AC_PINCTL_VREF_HIZ;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
|
|
|
|
/**
|
|
* snd_hda_correct_pin_ctl - correct the pin ctl value for matching with the pin cap
|
|
* @codec: the HDA codec
|
|
* @pin: referred pin NID
|
|
* @val: pin ctl value to audit
|
|
*/
|
|
unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
|
|
hda_nid_t pin, unsigned int val)
|
|
{
|
|
static unsigned int cap_lists[][2] = {
|
|
{ AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
|
|
{ AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
|
|
{ AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
|
|
{ AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
|
|
};
|
|
unsigned int cap;
|
|
|
|
if (!val)
|
|
return 0;
|
|
cap = snd_hda_query_pin_caps(codec, pin);
|
|
if (!cap)
|
|
return val; /* don't know what to do... */
|
|
|
|
if (val & AC_PINCTL_OUT_EN) {
|
|
if (!(cap & AC_PINCAP_OUT))
|
|
val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
|
|
else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
|
|
val &= ~AC_PINCTL_HP_EN;
|
|
}
|
|
|
|
if (val & AC_PINCTL_IN_EN) {
|
|
if (!(cap & AC_PINCAP_IN))
|
|
val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
|
|
else {
|
|
unsigned int vcap, vref;
|
|
int i;
|
|
vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
|
|
vref = val & AC_PINCTL_VREFEN;
|
|
for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
|
|
if (vref == cap_lists[i][0] &&
|
|
!(vcap & cap_lists[i][1])) {
|
|
if (i == ARRAY_SIZE(cap_lists) - 1)
|
|
vref = AC_PINCTL_VREF_HIZ;
|
|
else
|
|
vref = cap_lists[i + 1][0];
|
|
}
|
|
}
|
|
val &= ~AC_PINCTL_VREFEN;
|
|
val |= vref;
|
|
}
|
|
}
|
|
|
|
return val;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
|
|
|
|
/**
|
|
* _snd_hda_pin_ctl - Helper to set pin ctl value
|
|
* @codec: the HDA codec
|
|
* @pin: referred pin NID
|
|
* @val: pin control value to set
|
|
* @cached: access over codec pinctl cache or direct write
|
|
*
|
|
* This function is a helper to set a pin ctl value more safely.
|
|
* It corrects the pin ctl value via snd_hda_correct_pin_ctl(), stores the
|
|
* value in pin target array via snd_hda_codec_set_pin_target(), then
|
|
* actually writes the value via either snd_hda_codec_update_cache() or
|
|
* snd_hda_codec_write() depending on @cached flag.
|
|
*/
|
|
int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
|
|
unsigned int val, bool cached)
|
|
{
|
|
val = snd_hda_correct_pin_ctl(codec, pin, val);
|
|
snd_hda_codec_set_pin_target(codec, pin, val);
|
|
if (cached)
|
|
return snd_hda_codec_update_cache(codec, pin, 0,
|
|
AC_VERB_SET_PIN_WIDGET_CONTROL, val);
|
|
else
|
|
return snd_hda_codec_write(codec, pin, 0,
|
|
AC_VERB_SET_PIN_WIDGET_CONTROL, val);
|
|
}
|
|
EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
|
|
|
|
/**
|
|
* snd_hda_add_imux_item - Add an item to input_mux
|
|
* @codec: the HDA codec
|
|
* @imux: imux helper object
|
|
* @label: the name of imux item to assign
|
|
* @index: index number of imux item to assign
|
|
* @type_idx: pointer to store the resultant label index
|
|
*
|
|
* When the same label is used already in the existing items, the number
|
|
* suffix is appended to the label. This label index number is stored
|
|
* to type_idx when non-NULL pointer is given.
|
|
*/
|
|
int snd_hda_add_imux_item(struct hda_codec *codec,
|
|
struct hda_input_mux *imux, const char *label,
|
|
int index, int *type_idx)
|
|
{
|
|
int i, label_idx = 0;
|
|
if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
|
|
codec_err(codec, "hda_codec: Too many imux items!\n");
|
|
return -EINVAL;
|
|
}
|
|
for (i = 0; i < imux->num_items; i++) {
|
|
if (!strncmp(label, imux->items[i].label, strlen(label)))
|
|
label_idx++;
|
|
}
|
|
if (type_idx)
|
|
*type_idx = label_idx;
|
|
if (label_idx > 0)
|
|
snprintf(imux->items[imux->num_items].label,
|
|
sizeof(imux->items[imux->num_items].label),
|
|
"%s %d", label, label_idx);
|
|
else
|
|
strlcpy(imux->items[imux->num_items].label, label,
|
|
sizeof(imux->items[imux->num_items].label));
|
|
imux->items[imux->num_items].index = index;
|
|
imux->num_items++;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
|
|
|
|
/**
|
|
* snd_hda_bus_reset_codecs - Reset the bus
|
|
* @bus: HD-audio bus
|
|
*/
|
|
void snd_hda_bus_reset_codecs(struct hda_bus *bus)
|
|
{
|
|
struct hda_codec *codec;
|
|
|
|
list_for_each_codec(codec, bus) {
|
|
/* FIXME: maybe a better way needed for forced reset */
|
|
cancel_delayed_work_sync(&codec->jackpoll_work);
|
|
#ifdef CONFIG_PM
|
|
if (hda_codec_is_power_on(codec)) {
|
|
hda_call_codec_suspend(codec);
|
|
hda_call_codec_resume(codec);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
/**
|
|
* snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
|
|
* @pcm: PCM caps bits
|
|
* @buf: the string buffer to write
|
|
* @buflen: the max buffer length
|
|
*
|
|
* used by hda_proc.c and hda_eld.c
|
|
*/
|
|
void snd_print_pcm_bits(int pcm, char *buf, int buflen)
|
|
{
|
|
static unsigned int bits[] = { 8, 16, 20, 24, 32 };
|
|
int i, j;
|
|
|
|
for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
|
|
if (pcm & (AC_SUPPCM_BITS_8 << i))
|
|
j += snprintf(buf + j, buflen - j, " %d", bits[i]);
|
|
|
|
buf[j] = '\0'; /* necessary when j == 0 */
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
|
|
|
|
MODULE_DESCRIPTION("HDA codec core");
|
|
MODULE_LICENSE("GPL");
|