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// SPDX-License-Identifier: GPL-2.0-or-later
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* Universal Interface for Intel High Definition Audio Codec
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* Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/mutex.h>
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#include <linux/module.h>
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#include <linux/pm_runtime.h>
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#include <dkms/sound/core.h>
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#include <dkms/sound/hda_codec.h>
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#include <dkms/sound/asoundef.h>
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#include <dkms/sound/tlv.h>
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#include <dkms/sound/initval.h>
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#include <dkms/sound/jack.h>
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#include "hda_local.h"
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#include <dkms/sound/hda_hwdep.h>
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#include <dkms/sound/hda_component.h>
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#define codec_in_pm(codec) snd_hdac_is_in_pm(&codec->core)
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#define hda_codec_is_power_on(codec) snd_hdac_is_power_on(&codec->core)
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#define codec_has_epss(codec) \
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((codec)->core.power_caps & AC_PWRST_EPSS)
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#define codec_has_clkstop(codec) \
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((codec)->core.power_caps & AC_PWRST_CLKSTOP)
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* Send and receive a verb - passed to exec_verb override for hdac_device
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static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd,
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unsigned int flags, unsigned int *res)
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struct hda_codec *codec = container_of(dev, struct hda_codec, core);
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struct hda_bus *bus = codec->bus;
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snd_hda_power_up_pm(codec);
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mutex_lock(&bus->core.cmd_mutex);
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if (flags & HDA_RW_NO_RESPONSE_FALLBACK)
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bus->no_response_fallback = 1;
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err = snd_hdac_bus_exec_verb_unlocked(&bus->core, codec->core.addr,
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bus->no_response_fallback = 0;
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mutex_unlock(&bus->core.cmd_mutex);
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snd_hda_power_down_pm(codec);
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if (!codec_in_pm(codec) && res && err == -EAGAIN) {
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if (bus->response_reset) {
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"resetting BUS due to fatal communication error\n");
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snd_hda_bus_reset(bus);
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/* clear reset-flag when the communication gets recovered */
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if (!err || codec_in_pm(codec))
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bus->response_reset = 0;
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* snd_hda_sequence_write - sequence writes
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* @codec: the HDA codec
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* @seq: VERB array to send
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* Send the commands sequentially from the given array.
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* The array must be terminated with NID=0.
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void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
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for (; seq->nid; seq++)
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snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
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EXPORT_SYMBOL_GPL(snd_hda_sequence_write);
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/* connection list element */
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struct hda_conn_list {
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struct list_head list;
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/* look up the cached results */
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static struct hda_conn_list *
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lookup_conn_list(struct hda_codec *codec, hda_nid_t nid)
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struct hda_conn_list *p;
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list_for_each_entry(p, &codec->conn_list, list) {
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static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
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const hda_nid_t *list)
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struct hda_conn_list *p;
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p = kmalloc(struct_size(p, conns, len), GFP_KERNEL);
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memcpy(p->conns, list, len * sizeof(hda_nid_t));
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list_add(&p->list, &codec->conn_list);
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static void remove_conn_list(struct hda_codec *codec)
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while (!list_empty(&codec->conn_list)) {
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struct hda_conn_list *p;
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p = list_first_entry(&codec->conn_list, typeof(*p), list);
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/* read the connection and add to the cache */
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static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid)
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hda_nid_t *result = list;
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len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list));
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if (len == -ENOSPC) {
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len = snd_hda_get_num_raw_conns(codec, nid);
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result = kmalloc_array(len, sizeof(hda_nid_t), GFP_KERNEL);
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len = snd_hda_get_raw_connections(codec, nid, result, len);
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len = snd_hda_override_conn_list(codec, nid, len, result);
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* snd_hda_get_conn_list - get connection list
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* @codec: the HDA codec
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* @listp: the pointer to store NID list
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* Parses the connection list of the given widget and stores the pointer
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* to the list of NIDs.
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* Returns the number of connections, or a negative error code.
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* Note that the returned pointer isn't protected against the list
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* modification. If snd_hda_override_conn_list() might be called
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* concurrently, protect with a mutex appropriately.
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int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
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const hda_nid_t **listp)
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const struct hda_conn_list *p;
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/* if the connection-list is already cached, read it */
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p = lookup_conn_list(codec, nid);
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if (snd_BUG_ON(added))
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err = read_and_add_raw_conns(codec, nid);
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EXPORT_SYMBOL_GPL(snd_hda_get_conn_list);
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* snd_hda_get_connections - copy connection list
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* @codec: the HDA codec
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* @conn_list: connection list array; when NULL, checks only the size
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* @max_conns: max. number of connections to store
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* Parses the connection list of the given widget and stores the list
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* Returns the number of connections, or a negative error code.
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int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
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hda_nid_t *conn_list, int max_conns)
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const hda_nid_t *list;
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int len = snd_hda_get_conn_list(codec, nid, &list);
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if (len > 0 && conn_list) {
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if (len > max_conns) {
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codec_err(codec, "Too many connections %d for NID 0x%x\n",
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memcpy(conn_list, list, len * sizeof(hda_nid_t));
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EXPORT_SYMBOL_GPL(snd_hda_get_connections);
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* snd_hda_override_conn_list - add/modify the connection-list to cache
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* @codec: the HDA codec
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* @len: number of connection list entries
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* @list: the list of connection entries
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* Add or modify the given connection-list to the cache. If the corresponding
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* cache already exists, invalidate it and append a new one.
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* Returns zero or a negative error code.
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int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
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const hda_nid_t *list)
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struct hda_conn_list *p;
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p = lookup_conn_list(codec, nid);
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return add_conn_list(codec, nid, len, list);
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EXPORT_SYMBOL_GPL(snd_hda_override_conn_list);
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* snd_hda_get_conn_index - get the connection index of the given NID
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* @codec: the HDA codec
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* @mux: NID containing the list
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* @nid: NID to select
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* @recursive: 1 when searching NID recursively, otherwise 0
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* Parses the connection list of the widget @mux and checks whether the
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* widget @nid is present. If it is, return the connection index.
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* Otherwise it returns -1.
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int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
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hda_nid_t nid, int recursive)
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const hda_nid_t *conn;
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nums = snd_hda_get_conn_list(codec, mux, &conn);
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for (i = 0; i < nums; i++)
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if (recursive > 10) {
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codec_dbg(codec, "too deep connection for 0x%x\n", nid);
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for (i = 0; i < nums; i++) {
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unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i]));
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if (type == AC_WID_PIN || type == AC_WID_AUD_OUT)
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if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0)
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EXPORT_SYMBOL_GPL(snd_hda_get_conn_index);
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* snd_hda_get_num_devices - get DEVLIST_LEN parameter of the given widget
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* @codec: the HDA codec
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* @nid: NID of the pin to parse
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* Get the device entry number on the given widget. This is a feature of
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* DP MST audio. Each pin can have several device entries in it.
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unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid)
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unsigned int wcaps = get_wcaps(codec, nid);
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if (!codec->dp_mst || !(wcaps & AC_WCAP_DIGITAL) ||
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get_wcaps_type(wcaps) != AC_WID_PIN)
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parm = snd_hdac_read_parm_uncached(&codec->core, nid, AC_PAR_DEVLIST_LEN);
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return parm & AC_DEV_LIST_LEN_MASK;
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EXPORT_SYMBOL_GPL(snd_hda_get_num_devices);
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* snd_hda_get_devices - copy device list without cache
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* @codec: the HDA codec
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* @nid: NID of the pin to parse
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* @dev_list: device list array
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* @max_devices: max. number of devices to store
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* Copy the device list. This info is dynamic and so not cached.
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* Currently called only from hda_proc.c, so not exported.
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int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
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u8 *dev_list, int max_devices)
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int i, dev_len, devices;
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parm = snd_hda_get_num_devices(codec, nid);
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if (!parm) /* not multi-stream capable */
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dev_len = dev_len < max_devices ? dev_len : max_devices;
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while (devices < dev_len) {
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if (snd_hdac_read(&codec->core, nid,
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AC_VERB_GET_DEVICE_LIST, devices, &parm))
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for (i = 0; i < 8; i++) {
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dev_list[devices] = (u8)parm;
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if (devices >= dev_len)
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* snd_hda_get_dev_select - get device entry select on the pin
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* @codec: the HDA codec
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* @nid: NID of the pin to get device entry select
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* Get the devcie entry select on the pin. Return the device entry
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* id selected on the pin. Return 0 means the first device entry
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* is selected or MST is not supported.
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int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid)
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/* not support dp_mst will always return 0, using first dev_entry */
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return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DEVICE_SEL, 0);
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EXPORT_SYMBOL_GPL(snd_hda_get_dev_select);
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* snd_hda_set_dev_select - set device entry select on the pin
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* @codec: the HDA codec
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* @nid: NID of the pin to set device entry select
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* @dev_id: device entry id to be set
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* Set the device entry select on the pin nid.
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int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id)
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int ret, num_devices;
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/* not support dp_mst will always return 0, using first dev_entry */
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/* AC_PAR_DEVLIST_LEN is 0 based. */
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num_devices = snd_hda_get_num_devices(codec, nid) + 1;
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/* If Device List Length is 0 (num_device = 1),
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* the pin is not multi stream capable.
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* Do nothing in this case.
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if (num_devices == 1)
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/* Behavior of setting index being equal to or greater than
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* Device List Length is not predictable
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if (num_devices <= dev_id)
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ret = snd_hda_codec_write(codec, nid, 0,
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AC_VERB_SET_DEVICE_SEL, dev_id);
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EXPORT_SYMBOL_GPL(snd_hda_set_dev_select);
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* read widget caps for each widget and store in cache
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static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
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codec->wcaps = kmalloc_array(codec->core.num_nodes, 4, GFP_KERNEL);
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nid = codec->core.start_nid;
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for (i = 0; i < codec->core.num_nodes; i++, nid++)
426
codec->wcaps[i] = snd_hdac_read_parm_uncached(&codec->core,
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nid, AC_PAR_AUDIO_WIDGET_CAP);
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/* read all pin default configurations and save codec->init_pins */
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static int read_pin_defaults(struct hda_codec *codec)
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for_each_hda_codec_node(nid, codec) {
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struct hda_pincfg *pin;
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unsigned int wcaps = get_wcaps(codec, nid);
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unsigned int wid_type = get_wcaps_type(wcaps);
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if (wid_type != AC_WID_PIN)
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pin = snd_array_new(&codec->init_pins);
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pin->cfg = snd_hda_codec_read(codec, nid, 0,
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AC_VERB_GET_CONFIG_DEFAULT, 0);
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* all device entries are the same widget control so far
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* fixme: if any codec is different, need fix here
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pin->ctrl = snd_hda_codec_read(codec, nid, 0,
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AC_VERB_GET_PIN_WIDGET_CONTROL,
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/* look up the given pin config list and return the item matching with NID */
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static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
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struct snd_array *array,
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struct hda_pincfg *pin;
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snd_array_for_each(array, i, pin) {
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/* set the current pin config value for the given NID.
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* the value is cached, and read via snd_hda_codec_get_pincfg()
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int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
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hda_nid_t nid, unsigned int cfg)
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struct hda_pincfg *pin;
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/* the check below may be invalid when pins are added by a fixup
483
* dynamically (e.g. via snd_hda_codec_update_widgets()), so disabled
487
if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
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pin = look_up_pincfg(codec, list, nid);
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pin = snd_array_new(list);
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* snd_hda_codec_set_pincfg - Override a pin default configuration
504
* @codec: the HDA codec
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* @nid: NID to set the pin config
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* @cfg: the pin default config value
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* Override a pin default configuration value in the cache.
509
* This value can be read by snd_hda_codec_get_pincfg() in a higher
510
* priority than the real hardware value.
512
int snd_hda_codec_set_pincfg(struct hda_codec *codec,
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hda_nid_t nid, unsigned int cfg)
515
return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
517
EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg);
520
* snd_hda_codec_get_pincfg - Obtain a pin-default configuration
521
* @codec: the HDA codec
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* @nid: NID to get the pin config
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* Get the current pin config value of the given pin NID.
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* If the pincfg value is cached or overridden via sysfs or driver,
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* returns the cached value.
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unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
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struct hda_pincfg *pin;
532
#ifdef CONFIG_SND_HDA_RECONFIG
534
unsigned int cfg = 0;
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mutex_lock(&codec->user_mutex);
536
pin = look_up_pincfg(codec, &codec->user_pins, nid);
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mutex_unlock(&codec->user_mutex);
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pin = look_up_pincfg(codec, &codec->driver_pins, nid);
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pin = look_up_pincfg(codec, &codec->init_pins, nid);
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EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg);
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* snd_hda_codec_set_pin_target - remember the current pinctl target value
556
* @codec: the HDA codec
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* @val: assigned pinctl value
560
* This function stores the given value to a pinctl target value in the
561
* pincfg table. This isn't always as same as the actually written value
562
* but can be referred at any time via snd_hda_codec_get_pin_target().
564
int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
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struct hda_pincfg *pin;
569
pin = look_up_pincfg(codec, &codec->init_pins, nid);
575
EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target);
578
* snd_hda_codec_get_pin_target - return the current pinctl target value
579
* @codec: the HDA codec
582
int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid)
584
struct hda_pincfg *pin;
586
pin = look_up_pincfg(codec, &codec->init_pins, nid);
591
EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target);
594
* snd_hda_shutup_pins - Shut up all pins
595
* @codec: the HDA codec
597
* Clear all pin controls to shup up before suspend for avoiding click noise.
598
* The controls aren't cached so that they can be resumed properly.
600
void snd_hda_shutup_pins(struct hda_codec *codec)
602
const struct hda_pincfg *pin;
605
/* don't shut up pins when unloading the driver; otherwise it breaks
606
* the default pin setup at the next load of the driver
608
if (codec->bus->shutdown)
610
snd_array_for_each(&codec->init_pins, i, pin) {
611
/* use read here for syncing after issuing each verb */
612
snd_hda_codec_read(codec, pin->nid, 0,
613
AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
615
codec->pins_shutup = 1;
617
EXPORT_SYMBOL_GPL(snd_hda_shutup_pins);
620
/* Restore the pin controls cleared previously via snd_hda_shutup_pins() */
621
static void restore_shutup_pins(struct hda_codec *codec)
623
const struct hda_pincfg *pin;
626
if (!codec->pins_shutup)
628
if (codec->bus->shutdown)
630
snd_array_for_each(&codec->init_pins, i, pin) {
631
snd_hda_codec_write(codec, pin->nid, 0,
632
AC_VERB_SET_PIN_WIDGET_CONTROL,
635
codec->pins_shutup = 0;
639
static void hda_jackpoll_work(struct work_struct *work)
641
struct hda_codec *codec =
642
container_of(work, struct hda_codec, jackpoll_work.work);
644
snd_hda_jack_set_dirty_all(codec);
645
snd_hda_jack_poll_all(codec);
647
if (!codec->jackpoll_interval)
650
schedule_delayed_work(&codec->jackpoll_work,
651
codec->jackpoll_interval);
654
/* release all pincfg lists */
655
static void free_init_pincfgs(struct hda_codec *codec)
657
snd_array_free(&codec->driver_pins);
658
#ifdef CONFIG_SND_HDA_RECONFIG
659
snd_array_free(&codec->user_pins);
661
snd_array_free(&codec->init_pins);
665
* audio-converter setup caches
667
struct hda_cvt_setup {
672
unsigned char active; /* cvt is currently used */
673
unsigned char dirty; /* setups should be cleared */
676
/* get or create a cache entry for the given audio converter NID */
677
static struct hda_cvt_setup *
678
get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
680
struct hda_cvt_setup *p;
683
snd_array_for_each(&codec->cvt_setups, i, p) {
687
p = snd_array_new(&codec->cvt_setups);
696
static void release_pcm(struct kref *kref)
698
struct hda_pcm *pcm = container_of(kref, struct hda_pcm, kref);
701
snd_device_free(pcm->codec->card, pcm->pcm);
702
clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits);
707
void snd_hda_codec_pcm_put(struct hda_pcm *pcm)
709
kref_put(&pcm->kref, release_pcm);
711
EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put);
713
struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
714
const char *fmt, ...)
719
pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
724
kref_init(&pcm->kref);
726
pcm->name = kvasprintf(GFP_KERNEL, fmt, args);
733
list_add_tail(&pcm->list, &codec->pcm_list_head);
736
EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new);
741
static void codec_release_pcms(struct hda_codec *codec)
743
struct hda_pcm *pcm, *n;
745
list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) {
746
list_del_init(&pcm->list);
748
snd_device_disconnect(codec->card, pcm->pcm);
749
snd_hda_codec_pcm_put(pcm);
753
void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
755
if (codec->registered) {
756
/* pm_runtime_put() is called in snd_hdac_device_exit() */
757
pm_runtime_get_noresume(hda_codec_dev(codec));
758
pm_runtime_disable(hda_codec_dev(codec));
759
codec->registered = 0;
762
cancel_delayed_work_sync(&codec->jackpoll_work);
763
if (!codec->in_freeing)
764
snd_hda_ctls_clear(codec);
765
codec_release_pcms(codec);
766
snd_hda_detach_beep_device(codec);
767
memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
768
snd_hda_jack_tbl_clear(codec);
769
codec->proc_widget_hook = NULL;
772
/* free only driver_pins so that init_pins + user_pins are restored */
773
snd_array_free(&codec->driver_pins);
774
snd_array_free(&codec->cvt_setups);
775
snd_array_free(&codec->spdif_out);
776
snd_array_free(&codec->verbs);
777
codec->preset = NULL;
778
codec->slave_dig_outs = NULL;
779
codec->spdif_status_reset = 0;
780
snd_array_free(&codec->mixers);
781
snd_array_free(&codec->nids);
782
remove_conn_list(codec);
783
snd_hdac_regmap_exit(&codec->core);
786
static unsigned int hda_set_power_state(struct hda_codec *codec,
787
unsigned int power_state);
789
/* enable/disable display power per codec */
790
static void codec_display_power(struct hda_codec *codec, bool enable)
792
if (codec->display_power_control)
793
snd_hdac_display_power(&codec->bus->core, codec->addr, enable);
796
/* also called from hda_bind.c */
797
void snd_hda_codec_register(struct hda_codec *codec)
799
if (codec->registered)
801
if (device_is_registered(hda_codec_dev(codec))) {
802
codec_display_power(codec, true);
803
pm_runtime_enable(hda_codec_dev(codec));
804
/* it was powered up in snd_hda_codec_new(), now all done */
805
snd_hda_power_down(codec);
806
codec->registered = 1;
810
static int snd_hda_codec_dev_register(struct snd_device *device)
812
snd_hda_codec_register(device->device_data);
816
static int snd_hda_codec_dev_free(struct snd_device *device)
818
struct hda_codec *codec = device->device_data;
820
codec->in_freeing = 1;
822
* snd_hda_codec_device_new() is used by legacy HDA and ASoC driver.
823
* We can't unregister ASoC device since it will be unregistered in
824
* snd_hdac_ext_bus_device_remove().
826
if (codec->core.type == HDA_DEV_LEGACY)
827
snd_hdac_device_unregister(&codec->core);
828
codec_display_power(codec, false);
831
* In the case of ASoC HD-audio bus, the device refcount is released in
832
* snd_hdac_ext_bus_device_remove() explicitly.
834
if (codec->core.type == HDA_DEV_LEGACY)
835
put_device(hda_codec_dev(codec));
840
static void snd_hda_codec_dev_release(struct device *dev)
842
struct hda_codec *codec = dev_to_hda_codec(dev);
844
free_init_pincfgs(codec);
845
snd_hdac_device_exit(&codec->core);
846
snd_hda_sysfs_clear(codec);
847
kfree(codec->modelname);
851
* In the case of ASoC HD-audio, hda_codec is device managed.
852
* It will be freed when the ASoC device is removed.
854
if (codec->core.type == HDA_DEV_LEGACY)
858
#define DEV_NAME_LEN 31
860
static int snd_hda_codec_device_init(struct hda_bus *bus, struct snd_card *card,
861
unsigned int codec_addr, struct hda_codec **codecp)
863
char name[DEV_NAME_LEN];
864
struct hda_codec *codec;
867
dev_dbg(card->dev, "%s: entry\n", __func__);
869
if (snd_BUG_ON(!bus))
871
if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
874
codec = kzalloc(sizeof(*codec), GFP_KERNEL);
878
sprintf(name, "hdaudioC%dD%d", card->number, codec_addr);
879
err = snd_hdac_device_init(&codec->core, &bus->core, name, codec_addr);
885
codec->core.type = HDA_DEV_LEGACY;
892
* snd_hda_codec_new - create a HDA codec
893
* @bus: the bus to assign
894
* @codec_addr: the codec address
895
* @codecp: the pointer to store the generated codec
897
* Returns 0 if successful, or a negative error code.
899
int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
900
unsigned int codec_addr, struct hda_codec **codecp)
904
ret = snd_hda_codec_device_init(bus, card, codec_addr, codecp);
908
return snd_hda_codec_device_new(bus, card, codec_addr, *codecp);
910
EXPORT_SYMBOL_GPL(snd_hda_codec_new);
912
int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card,
913
unsigned int codec_addr, struct hda_codec *codec)
918
static struct snd_device_ops dev_ops = {
919
.dev_register = snd_hda_codec_dev_register,
920
.dev_free = snd_hda_codec_dev_free,
923
dev_dbg(card->dev, "%s: entry\n", __func__);
925
if (snd_BUG_ON(!bus))
927
if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
930
codec->core.dev.release = snd_hda_codec_dev_release;
931
codec->core.exec_verb = codec_exec_verb;
935
codec->addr = codec_addr;
936
mutex_init(&codec->spdif_mutex);
937
mutex_init(&codec->control_mutex);
938
snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
939
snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
940
snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
941
snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
942
snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
943
snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
944
snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
945
snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
946
INIT_LIST_HEAD(&codec->conn_list);
947
INIT_LIST_HEAD(&codec->pcm_list_head);
949
INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
950
codec->depop_delay = -1;
951
codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
954
codec->power_jiffies = jiffies;
957
snd_hda_sysfs_init(codec);
959
if (codec->bus->modelname) {
960
codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
961
if (!codec->modelname) {
967
fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
968
err = read_widget_caps(codec, fg);
971
err = read_pin_defaults(codec);
975
/* power-up all before initialization */
976
hda_set_power_state(codec, AC_PWRST_D0);
977
codec->core.dev.power.power_state = PMSG_ON;
979
snd_hda_codec_proc_new(codec);
981
snd_hda_create_hwdep(codec);
983
sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id,
984
codec->core.subsystem_id, codec->core.revision_id);
985
snd_component_add(card, component);
987
err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
994
put_device(hda_codec_dev(codec));
997
EXPORT_SYMBOL_GPL(snd_hda_codec_device_new);
1000
* snd_hda_codec_update_widgets - Refresh widget caps and pin defaults
1001
* @codec: the HDA codec
1003
* Forcibly refresh the all widget caps and the init pin configurations of
1006
int snd_hda_codec_update_widgets(struct hda_codec *codec)
1011
err = snd_hdac_refresh_widgets(&codec->core);
1015
/* Assume the function group node does not change,
1016
* only the widget nodes may change.
1018
kfree(codec->wcaps);
1019
fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
1020
err = read_widget_caps(codec, fg);
1024
snd_array_free(&codec->init_pins);
1025
err = read_pin_defaults(codec);
1029
EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
1031
/* update the stream-id if changed */
1032
static void update_pcm_stream_id(struct hda_codec *codec,
1033
struct hda_cvt_setup *p, hda_nid_t nid,
1034
u32 stream_tag, int channel_id)
1036
unsigned int oldval, newval;
1038
if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
1039
oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
1040
newval = (stream_tag << 4) | channel_id;
1041
if (oldval != newval)
1042
snd_hda_codec_write(codec, nid, 0,
1043
AC_VERB_SET_CHANNEL_STREAMID,
1045
p->stream_tag = stream_tag;
1046
p->channel_id = channel_id;
1050
/* update the format-id if changed */
1051
static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1052
hda_nid_t nid, int format)
1054
unsigned int oldval;
1056
if (p->format_id != format) {
1057
oldval = snd_hda_codec_read(codec, nid, 0,
1058
AC_VERB_GET_STREAM_FORMAT, 0);
1059
if (oldval != format) {
1061
snd_hda_codec_write(codec, nid, 0,
1062
AC_VERB_SET_STREAM_FORMAT,
1065
p->format_id = format;
1070
* snd_hda_codec_setup_stream - set up the codec for streaming
1071
* @codec: the CODEC to set up
1072
* @nid: the NID to set up
1073
* @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
1074
* @channel_id: channel id to pass, zero based.
1075
* @format: stream format.
1077
void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1079
int channel_id, int format)
1081
struct hda_codec *c;
1082
struct hda_cvt_setup *p;
1090
"hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1091
nid, stream_tag, channel_id, format);
1092
p = get_hda_cvt_setup(codec, nid);
1096
if (codec->patch_ops.stream_pm)
1097
codec->patch_ops.stream_pm(codec, nid, true);
1098
if (codec->pcm_format_first)
1099
update_pcm_format(codec, p, nid, format);
1100
update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
1101
if (!codec->pcm_format_first)
1102
update_pcm_format(codec, p, nid, format);
1107
/* make other inactive cvts with the same stream-tag dirty */
1108
type = get_wcaps_type(get_wcaps(codec, nid));
1109
list_for_each_codec(c, codec->bus) {
1110
snd_array_for_each(&c->cvt_setups, i, p) {
1111
if (!p->active && p->stream_tag == stream_tag &&
1112
get_wcaps_type(get_wcaps(c, p->nid)) == type)
1117
EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1119
static void really_cleanup_stream(struct hda_codec *codec,
1120
struct hda_cvt_setup *q);
1123
* __snd_hda_codec_cleanup_stream - clean up the codec for closing
1124
* @codec: the CODEC to clean up
1125
* @nid: the NID to clean up
1126
* @do_now: really clean up the stream instead of clearing the active flag
1128
void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1131
struct hda_cvt_setup *p;
1136
if (codec->no_sticky_stream)
1139
codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
1140
p = get_hda_cvt_setup(codec, nid);
1142
/* here we just clear the active flag when do_now isn't set;
1143
* actual clean-ups will be done later in
1144
* purify_inactive_streams() called from snd_hda_codec_prpapre()
1147
really_cleanup_stream(codec, p);
1152
EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
1154
static void really_cleanup_stream(struct hda_codec *codec,
1155
struct hda_cvt_setup *q)
1157
hda_nid_t nid = q->nid;
1158
if (q->stream_tag || q->channel_id)
1159
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1161
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1163
memset(q, 0, sizeof(*q));
1165
if (codec->patch_ops.stream_pm)
1166
codec->patch_ops.stream_pm(codec, nid, false);
1169
/* clean up the all conflicting obsolete streams */
1170
static void purify_inactive_streams(struct hda_codec *codec)
1172
struct hda_codec *c;
1173
struct hda_cvt_setup *p;
1176
list_for_each_codec(c, codec->bus) {
1177
snd_array_for_each(&c->cvt_setups, i, p) {
1179
really_cleanup_stream(c, p);
1185
/* clean up all streams; called from suspend */
1186
static void hda_cleanup_all_streams(struct hda_codec *codec)
1188
struct hda_cvt_setup *p;
1191
snd_array_for_each(&codec->cvt_setups, i, p) {
1193
really_cleanup_stream(codec, p);
1199
* amp access functions
1203
* query_amp_caps - query AMP capabilities
1204
* @codec: the HD-auio codec
1205
* @nid: the NID to query
1206
* @direction: either #HDA_INPUT or #HDA_OUTPUT
1208
* Query AMP capabilities for the given widget and direction.
1209
* Returns the obtained capability bits.
1211
* When cap bits have been already read, this doesn't read again but
1212
* returns the cached value.
1214
u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1216
if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1217
nid = codec->core.afg;
1218
return snd_hda_param_read(codec, nid,
1219
direction == HDA_OUTPUT ?
1220
AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1222
EXPORT_SYMBOL_GPL(query_amp_caps);
1225
* snd_hda_check_amp_caps - query AMP capabilities
1226
* @codec: the HD-audio codec
1227
* @nid: the NID to query
1228
* @dir: either #HDA_INPUT or #HDA_OUTPUT
1229
* @bits: bit mask to check the result
1231
* Check whether the widget has the given amp capability for the direction.
1233
bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1234
int dir, unsigned int bits)
1238
if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1239
if (query_amp_caps(codec, nid, dir) & bits)
1243
EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1246
* snd_hda_override_amp_caps - Override the AMP capabilities
1247
* @codec: the CODEC to clean up
1248
* @nid: the NID to clean up
1249
* @dir: either #HDA_INPUT or #HDA_OUTPUT
1250
* @caps: the capability bits to set
1252
* Override the cached AMP caps bits value by the given one.
1253
* This function is useful if the driver needs to adjust the AMP ranges,
1254
* e.g. limit to 0dB, etc.
1256
* Returns zero if successful or a negative error code.
1258
int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1263
snd_hda_override_wcaps(codec, nid,
1264
get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
1265
parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
1266
return snd_hdac_override_parm(&codec->core, nid, parm, caps);
1268
EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
1271
* snd_hda_codec_amp_update - update the AMP mono value
1272
* @codec: HD-audio codec
1273
* @nid: NID to read the AMP value
1274
* @ch: channel to update (0 or 1)
1275
* @dir: #HDA_INPUT or #HDA_OUTPUT
1276
* @idx: the index value (only for input direction)
1277
* @mask: bit mask to set
1278
* @val: the bits value to set
1280
* Update the AMP values for the given channel, direction and index.
1282
int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1283
int ch, int dir, int idx, int mask, int val)
1285
unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
1287
/* enable fake mute if no h/w mute but min=mute */
1288
if ((query_amp_caps(codec, nid, dir) &
1289
(AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
1290
cmd |= AC_AMP_FAKE_MUTE;
1291
return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
1293
EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
1296
* snd_hda_codec_amp_stereo - update the AMP stereo values
1297
* @codec: HD-audio codec
1298
* @nid: NID to read the AMP value
1299
* @direction: #HDA_INPUT or #HDA_OUTPUT
1300
* @idx: the index value (only for input direction)
1301
* @mask: bit mask to set
1302
* @val: the bits value to set
1304
* Update the AMP values like snd_hda_codec_amp_update(), but for a
1305
* stereo widget with the same mask and value.
1307
int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1308
int direction, int idx, int mask, int val)
1312
if (snd_BUG_ON(mask & ~0xff))
1314
for (ch = 0; ch < 2; ch++)
1315
ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1319
EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
1322
* snd_hda_codec_amp_init - initialize the AMP value
1323
* @codec: the HDA codec
1324
* @nid: NID to read the AMP value
1325
* @ch: channel (left=0 or right=1)
1326
* @dir: #HDA_INPUT or #HDA_OUTPUT
1327
* @idx: the index value (only for input direction)
1328
* @mask: bit mask to set
1329
* @val: the bits value to set
1331
* Works like snd_hda_codec_amp_update() but it writes the value only at
1332
* the first access. If the amp was already initialized / updated beforehand,
1333
* this does nothing.
1335
int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1336
int dir, int idx, int mask, int val)
1340
if (!codec->core.regmap)
1342
regcache_cache_only(codec->core.regmap, true);
1343
orig = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1344
regcache_cache_only(codec->core.regmap, false);
1347
return snd_hda_codec_amp_update(codec, nid, ch, dir, idx, mask, val);
1349
EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
1352
* snd_hda_codec_amp_init_stereo - initialize the stereo AMP value
1353
* @codec: the HDA codec
1354
* @nid: NID to read the AMP value
1355
* @dir: #HDA_INPUT or #HDA_OUTPUT
1356
* @idx: the index value (only for input direction)
1357
* @mask: bit mask to set
1358
* @val: the bits value to set
1360
* Call snd_hda_codec_amp_init() for both stereo channels.
1362
int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1363
int dir, int idx, int mask, int val)
1367
if (snd_BUG_ON(mask & ~0xff))
1369
for (ch = 0; ch < 2; ch++)
1370
ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1374
EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
1376
static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1379
u32 caps = query_amp_caps(codec, nid, dir);
1381
caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1388
* snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
1389
* @kcontrol: referred ctl element
1390
* @uinfo: pointer to get/store the data
1392
* The control element is supposed to have the private_value field
1393
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1395
int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1396
struct snd_ctl_elem_info *uinfo)
1398
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1399
u16 nid = get_amp_nid(kcontrol);
1400
u8 chs = get_amp_channels(kcontrol);
1401
int dir = get_amp_direction(kcontrol);
1402
unsigned int ofs = get_amp_offset(kcontrol);
1404
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1405
uinfo->count = chs == 3 ? 2 : 1;
1406
uinfo->value.integer.min = 0;
1407
uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
1408
if (!uinfo->value.integer.max) {
1410
"num_steps = 0 for NID=0x%x (ctl = %s)\n",
1411
nid, kcontrol->id.name);
1416
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1419
static inline unsigned int
1420
read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1421
int ch, int dir, int idx, unsigned int ofs)
1424
val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1425
val &= HDA_AMP_VOLMASK;
1434
update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1435
int ch, int dir, int idx, unsigned int ofs,
1438
unsigned int maxval;
1442
/* ofs = 0: raw max value */
1443
maxval = get_amp_max_value(codec, nid, dir, 0);
1446
return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1447
HDA_AMP_VOLMASK, val);
1451
* snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
1452
* @kcontrol: ctl element
1453
* @ucontrol: pointer to get/store the data
1455
* The control element is supposed to have the private_value field
1456
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1458
int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1459
struct snd_ctl_elem_value *ucontrol)
1461
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1462
hda_nid_t nid = get_amp_nid(kcontrol);
1463
int chs = get_amp_channels(kcontrol);
1464
int dir = get_amp_direction(kcontrol);
1465
int idx = get_amp_index(kcontrol);
1466
unsigned int ofs = get_amp_offset(kcontrol);
1467
long *valp = ucontrol->value.integer.value;
1470
*valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1472
*valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1475
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1478
* snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
1479
* @kcontrol: ctl element
1480
* @ucontrol: pointer to get/store the data
1482
* The control element is supposed to have the private_value field
1483
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1485
int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1486
struct snd_ctl_elem_value *ucontrol)
1488
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1489
hda_nid_t nid = get_amp_nid(kcontrol);
1490
int chs = get_amp_channels(kcontrol);
1491
int dir = get_amp_direction(kcontrol);
1492
int idx = get_amp_index(kcontrol);
1493
unsigned int ofs = get_amp_offset(kcontrol);
1494
long *valp = ucontrol->value.integer.value;
1498
change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
1502
change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1505
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1507
/* inquiry the amp caps and convert to TLV */
1508
static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
1510
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1511
hda_nid_t nid = get_amp_nid(kcontrol);
1512
int dir = get_amp_direction(kcontrol);
1513
unsigned int ofs = get_amp_offset(kcontrol);
1514
bool min_mute = get_amp_min_mute(kcontrol);
1515
u32 caps, val1, val2;
1517
caps = query_amp_caps(codec, nid, dir);
1518
val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1519
val2 = (val2 + 1) * 25;
1520
val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1522
val1 = ((int)val1) * ((int)val2);
1523
if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
1524
val2 |= TLV_DB_SCALE_MUTE;
1525
tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1526
tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1527
tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1;
1528
tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2;
1532
* snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume
1533
* @kcontrol: ctl element
1534
* @op_flag: operation flag
1535
* @size: byte size of input TLV
1538
* The control element is supposed to have the private_value field
1539
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1541
int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1542
unsigned int size, unsigned int __user *_tlv)
1544
unsigned int tlv[4];
1546
if (size < 4 * sizeof(unsigned int))
1548
get_ctl_amp_tlv(kcontrol, tlv);
1549
if (copy_to_user(_tlv, tlv, sizeof(tlv)))
1553
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
1556
* snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
1557
* @codec: HD-audio codec
1558
* @nid: NID of a reference widget
1559
* @dir: #HDA_INPUT or #HDA_OUTPUT
1560
* @tlv: TLV data to be stored, at least 4 elements
1562
* Set (static) TLV data for a virtual master volume using the AMP caps
1563
* obtained from the reference NID.
1564
* The volume range is recalculated as if the max volume is 0dB.
1566
void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1572
caps = query_amp_caps(codec, nid, dir);
1573
nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1574
step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1575
step = (step + 1) * 25;
1576
tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1577
tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1578
tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step;
1579
tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step;
1581
EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
1583
/* find a mixer control element with the given name */
1584
static struct snd_kcontrol *
1585
find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
1587
struct snd_ctl_elem_id id;
1588
memset(&id, 0, sizeof(id));
1589
id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1592
if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1594
strcpy(id.name, name);
1595
return snd_ctl_find_id(codec->card, &id);
1599
* snd_hda_find_mixer_ctl - Find a mixer control element with the given name
1600
* @codec: HD-audio codec
1601
* @name: ctl id name string
1603
* Get the control element with the given id string and IFACE_MIXER.
1605
struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1608
return find_mixer_ctl(codec, name, 0, 0);
1610
EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
1612
static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
1616
/* 16 ctlrs should be large enough */
1617
for (i = 0, idx = start_idx; i < 16; i++, idx++) {
1618
if (!find_mixer_ctl(codec, name, 0, idx))
1625
* snd_hda_ctl_add - Add a control element and assign to the codec
1626
* @codec: HD-audio codec
1627
* @nid: corresponding NID (optional)
1628
* @kctl: the control element to assign
1630
* Add the given control element to an array inside the codec instance.
1631
* All control elements belonging to a codec are supposed to be added
1632
* by this function so that a proper clean-up works at the free or
1633
* reconfiguration time.
1635
* If non-zero @nid is passed, the NID is assigned to the control element.
1636
* The assignment is shown in the codec proc file.
1638
* snd_hda_ctl_add() checks the control subdev id field whether
1639
* #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
1640
* bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
1641
* specifies if kctl->private_value is a HDA amplifier value.
1643
int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1644
struct snd_kcontrol *kctl)
1647
unsigned short flags = 0;
1648
struct hda_nid_item *item;
1650
if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
1651
flags |= HDA_NID_ITEM_AMP;
1653
nid = get_amp_nid_(kctl->private_value);
1655
if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1656
nid = kctl->id.subdevice & 0xffff;
1657
if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
1658
kctl->id.subdevice = 0;
1659
err = snd_ctl_add(codec->card, kctl);
1662
item = snd_array_new(&codec->mixers);
1667
item->flags = flags;
1670
EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
1673
* snd_hda_add_nid - Assign a NID to a control element
1674
* @codec: HD-audio codec
1675
* @nid: corresponding NID (optional)
1676
* @kctl: the control element to assign
1677
* @index: index to kctl
1679
* Add the given control element to an array inside the codec instance.
1680
* This function is used when #snd_hda_ctl_add cannot be used for 1:1
1681
* NID:KCTL mapping - for example "Capture Source" selector.
1683
int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1684
unsigned int index, hda_nid_t nid)
1686
struct hda_nid_item *item;
1689
item = snd_array_new(&codec->nids);
1693
item->index = index;
1697
codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1698
kctl->id.name, kctl->id.index, index);
1701
EXPORT_SYMBOL_GPL(snd_hda_add_nid);
1704
* snd_hda_ctls_clear - Clear all controls assigned to the given codec
1705
* @codec: HD-audio codec
1707
void snd_hda_ctls_clear(struct hda_codec *codec)
1710
struct hda_nid_item *items = codec->mixers.list;
1711
for (i = 0; i < codec->mixers.used; i++)
1712
snd_ctl_remove(codec->card, items[i].kctl);
1713
snd_array_free(&codec->mixers);
1714
snd_array_free(&codec->nids);
1718
* snd_hda_lock_devices - pseudo device locking
1721
* toggle card->shutdown to allow/disallow the device access (as a hack)
1723
int snd_hda_lock_devices(struct hda_bus *bus)
1725
struct snd_card *card = bus->card;
1726
struct hda_codec *codec;
1728
spin_lock(&card->files_lock);
1732
if (!list_empty(&card->ctl_files))
1735
list_for_each_codec(codec, bus) {
1736
struct hda_pcm *cpcm;
1737
list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1740
if (cpcm->pcm->streams[0].substream_opened ||
1741
cpcm->pcm->streams[1].substream_opened)
1745
spin_unlock(&card->files_lock);
1751
spin_unlock(&card->files_lock);
1754
EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
1757
* snd_hda_unlock_devices - pseudo device unlocking
1760
void snd_hda_unlock_devices(struct hda_bus *bus)
1762
struct snd_card *card = bus->card;
1764
spin_lock(&card->files_lock);
1766
spin_unlock(&card->files_lock);
1768
EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
1771
* snd_hda_codec_reset - Clear all objects assigned to the codec
1772
* @codec: HD-audio codec
1774
* This frees the all PCM and control elements assigned to the codec, and
1775
* clears the caches and restores the pin default configurations.
1777
* When a device is being used, it returns -EBSY. If successfully freed,
1780
int snd_hda_codec_reset(struct hda_codec *codec)
1782
struct hda_bus *bus = codec->bus;
1784
if (snd_hda_lock_devices(bus) < 0)
1787
/* OK, let it free */
1788
snd_hdac_device_unregister(&codec->core);
1790
/* allow device access again */
1791
snd_hda_unlock_devices(bus);
1795
typedef int (*map_slave_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
1797
/* apply the function to all matching slave ctls in the mixer list */
1798
static int map_slaves(struct hda_codec *codec, const char * const *slaves,
1799
const char *suffix, map_slave_func_t func, void *data)
1801
struct hda_nid_item *items;
1802
const char * const *s;
1805
items = codec->mixers.list;
1806
for (i = 0; i < codec->mixers.used; i++) {
1807
struct snd_kcontrol *sctl = items[i].kctl;
1808
if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
1810
for (s = slaves; *s; s++) {
1811
char tmpname[sizeof(sctl->id.name)];
1812
const char *name = *s;
1814
snprintf(tmpname, sizeof(tmpname), "%s %s",
1818
if (!strcmp(sctl->id.name, name)) {
1819
err = func(codec, data, sctl);
1829
static int check_slave_present(struct hda_codec *codec,
1830
void *data, struct snd_kcontrol *sctl)
1835
/* call kctl->put with the given value(s) */
1836
static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1838
struct snd_ctl_elem_value *ucontrol;
1839
ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1842
ucontrol->value.integer.value[0] = val;
1843
ucontrol->value.integer.value[1] = val;
1844
kctl->put(kctl, ucontrol);
1849
struct slave_init_arg {
1850
struct hda_codec *codec;
1854
/* initialize the slave volume with 0dB via snd_ctl_apply_vmaster_slaves() */
1855
static int init_slave_0dB(struct snd_kcontrol *slave,
1856
struct snd_kcontrol *kctl,
1859
struct slave_init_arg *arg = _arg;
1861
const int *tlv = NULL;
1865
if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1866
if (kctl->tlv.c != snd_hda_mixer_amp_tlv) {
1867
codec_err(arg->codec,
1868
"Unexpected TLV callback for slave %s:%d\n",
1869
kctl->id.name, kctl->id.index);
1870
return 0; /* ignore */
1872
get_ctl_amp_tlv(kctl, _tlv);
1874
} else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1877
if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
1880
step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP];
1881
step &= ~TLV_DB_SCALE_MUTE;
1884
if (arg->step && arg->step != step) {
1885
codec_err(arg->codec,
1886
"Mismatching dB step for vmaster slave (%d!=%d)\n",
1892
val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step;
1894
put_kctl_with_value(slave, val);
1901
/* unmute the slave via snd_ctl_apply_vmaster_slaves() */
1902
static int init_slave_unmute(struct snd_kcontrol *slave,
1903
struct snd_kcontrol *kctl,
1906
return put_kctl_with_value(slave, 1);
1909
static int add_slave(struct hda_codec *codec,
1910
void *data, struct snd_kcontrol *slave)
1912
return snd_ctl_add_slave(data, slave);
1916
* __snd_hda_add_vmaster - create a virtual master control and add slaves
1917
* @codec: HD-audio codec
1918
* @name: vmaster control name
1919
* @tlv: TLV data (optional)
1920
* @slaves: slave control names (optional)
1921
* @suffix: suffix string to each slave name (optional)
1922
* @init_slave_vol: initialize slaves to unmute/0dB
1923
* @ctl_ret: store the vmaster kcontrol in return
1925
* Create a virtual master control with the given name. The TLV data
1926
* must be either NULL or a valid data.
1928
* @slaves is a NULL-terminated array of strings, each of which is a
1929
* slave control name. All controls with these names are assigned to
1930
* the new virtual master control.
1932
* This function returns zero if successful or a negative error code.
1934
int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1935
unsigned int *tlv, const char * const *slaves,
1936
const char *suffix, bool init_slave_vol,
1937
struct snd_kcontrol **ctl_ret)
1939
struct snd_kcontrol *kctl;
1945
err = map_slaves(codec, slaves, suffix, check_slave_present, NULL);
1947
codec_dbg(codec, "No slave found for %s\n", name);
1950
kctl = snd_ctl_make_virtual_master(name, tlv);
1953
err = snd_hda_ctl_add(codec, 0, kctl);
1957
err = map_slaves(codec, slaves, suffix, add_slave, kctl);
1961
/* init with master mute & zero volume */
1962
put_kctl_with_value(kctl, 0);
1963
if (init_slave_vol) {
1964
struct slave_init_arg arg = {
1968
snd_ctl_apply_vmaster_slaves(kctl,
1969
tlv ? init_slave_0dB : init_slave_unmute,
1977
EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
1980
* mute-LED control using vmaster
1982
static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol,
1983
struct snd_ctl_elem_info *uinfo)
1985
static const char * const texts[] = {
1986
"On", "Off", "Follow Master"
1989
return snd_ctl_enum_info(uinfo, 1, 3, texts);
1992
static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol,
1993
struct snd_ctl_elem_value *ucontrol)
1995
struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
1996
ucontrol->value.enumerated.item[0] = hook->mute_mode;
2000
static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol,
2001
struct snd_ctl_elem_value *ucontrol)
2003
struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
2004
unsigned int old_mode = hook->mute_mode;
2006
hook->mute_mode = ucontrol->value.enumerated.item[0];
2007
if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER)
2008
hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2009
if (old_mode == hook->mute_mode)
2011
snd_hda_sync_vmaster_hook(hook);
2015
static const struct snd_kcontrol_new vmaster_mute_mode = {
2016
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2017
.name = "Mute-LED Mode",
2018
.info = vmaster_mute_mode_info,
2019
.get = vmaster_mute_mode_get,
2020
.put = vmaster_mute_mode_put,
2023
/* meta hook to call each driver's vmaster hook */
2024
static void vmaster_hook(void *private_data, int enabled)
2026
struct hda_vmaster_mute_hook *hook = private_data;
2028
if (hook->mute_mode != HDA_VMUTE_FOLLOW_MASTER)
2029
enabled = hook->mute_mode;
2030
hook->hook(hook->codec, enabled);
2034
* snd_hda_add_vmaster_hook - Add a vmaster hook for mute-LED
2035
* @codec: the HDA codec
2036
* @hook: the vmaster hook object
2037
* @expose_enum_ctl: flag to create an enum ctl
2039
* Add a mute-LED hook with the given vmaster switch kctl.
2040
* When @expose_enum_ctl is set, "Mute-LED Mode" control is automatically
2041
* created and associated with the given hook.
2043
int snd_hda_add_vmaster_hook(struct hda_codec *codec,
2044
struct hda_vmaster_mute_hook *hook,
2045
bool expose_enum_ctl)
2047
struct snd_kcontrol *kctl;
2049
if (!hook->hook || !hook->sw_kctl)
2051
hook->codec = codec;
2052
hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2053
snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
2054
if (!expose_enum_ctl)
2056
kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
2059
return snd_hda_ctl_add(codec, 0, kctl);
2061
EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
2064
* snd_hda_sync_vmaster_hook - Sync vmaster hook
2065
* @hook: the vmaster hook
2067
* Call the hook with the current value for synchronization.
2068
* Should be called in init callback.
2070
void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2072
if (!hook->hook || !hook->codec)
2074
/* don't call vmaster hook in the destructor since it might have
2075
* been already destroyed
2077
if (hook->codec->bus->shutdown)
2079
snd_ctl_sync_vmaster_hook(hook->sw_kctl);
2081
EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
2085
* snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
2086
* @kcontrol: referred ctl element
2087
* @uinfo: pointer to get/store the data
2089
* The control element is supposed to have the private_value field
2090
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2092
int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2093
struct snd_ctl_elem_info *uinfo)
2095
int chs = get_amp_channels(kcontrol);
2097
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2098
uinfo->count = chs == 3 ? 2 : 1;
2099
uinfo->value.integer.min = 0;
2100
uinfo->value.integer.max = 1;
2103
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
2106
* snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
2107
* @kcontrol: ctl element
2108
* @ucontrol: pointer to get/store the data
2110
* The control element is supposed to have the private_value field
2111
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2113
int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2114
struct snd_ctl_elem_value *ucontrol)
2116
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2117
hda_nid_t nid = get_amp_nid(kcontrol);
2118
int chs = get_amp_channels(kcontrol);
2119
int dir = get_amp_direction(kcontrol);
2120
int idx = get_amp_index(kcontrol);
2121
long *valp = ucontrol->value.integer.value;
2124
*valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
2125
HDA_AMP_MUTE) ? 0 : 1;
2127
*valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
2128
HDA_AMP_MUTE) ? 0 : 1;
2131
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
2134
* snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
2135
* @kcontrol: ctl element
2136
* @ucontrol: pointer to get/store the data
2138
* The control element is supposed to have the private_value field
2139
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2141
int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2142
struct snd_ctl_elem_value *ucontrol)
2144
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2145
hda_nid_t nid = get_amp_nid(kcontrol);
2146
int chs = get_amp_channels(kcontrol);
2147
int dir = get_amp_direction(kcontrol);
2148
int idx = get_amp_index(kcontrol);
2149
long *valp = ucontrol->value.integer.value;
2153
change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2155
*valp ? 0 : HDA_AMP_MUTE);
2159
change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2161
*valp ? 0 : HDA_AMP_MUTE);
2162
hda_call_check_power_status(codec, nid);
2165
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
2168
* SPDIF out controls
2171
static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2172
struct snd_ctl_elem_info *uinfo)
2174
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2179
static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2180
struct snd_ctl_elem_value *ucontrol)
2182
ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2183
IEC958_AES0_NONAUDIO |
2184
IEC958_AES0_CON_EMPHASIS_5015 |
2185
IEC958_AES0_CON_NOT_COPYRIGHT;
2186
ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
2187
IEC958_AES1_CON_ORIGINAL;
2191
static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2192
struct snd_ctl_elem_value *ucontrol)
2194
ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2195
IEC958_AES0_NONAUDIO |
2196
IEC958_AES0_PRO_EMPHASIS_5015;
2200
static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2201
struct snd_ctl_elem_value *ucontrol)
2203
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2204
int idx = kcontrol->private_value;
2205
struct hda_spdif_out *spdif;
2207
if (WARN_ON(codec->spdif_out.used <= idx))
2209
mutex_lock(&codec->spdif_mutex);
2210
spdif = snd_array_elem(&codec->spdif_out, idx);
2211
ucontrol->value.iec958.status[0] = spdif->status & 0xff;
2212
ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
2213
ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
2214
ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
2215
mutex_unlock(&codec->spdif_mutex);
2220
/* convert from SPDIF status bits to HDA SPDIF bits
2221
* bit 0 (DigEn) is always set zero (to be filled later)
2223
static unsigned short convert_from_spdif_status(unsigned int sbits)
2225
unsigned short val = 0;
2227
if (sbits & IEC958_AES0_PROFESSIONAL)
2228
val |= AC_DIG1_PROFESSIONAL;
2229
if (sbits & IEC958_AES0_NONAUDIO)
2230
val |= AC_DIG1_NONAUDIO;
2231
if (sbits & IEC958_AES0_PROFESSIONAL) {
2232
if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2233
IEC958_AES0_PRO_EMPHASIS_5015)
2234
val |= AC_DIG1_EMPHASIS;
2236
if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
2237
IEC958_AES0_CON_EMPHASIS_5015)
2238
val |= AC_DIG1_EMPHASIS;
2239
if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
2240
val |= AC_DIG1_COPYRIGHT;
2241
if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
2242
val |= AC_DIG1_LEVEL;
2243
val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2248
/* convert to SPDIF status bits from HDA SPDIF bits
2250
static unsigned int convert_to_spdif_status(unsigned short val)
2252
unsigned int sbits = 0;
2254
if (val & AC_DIG1_NONAUDIO)
2255
sbits |= IEC958_AES0_NONAUDIO;
2256
if (val & AC_DIG1_PROFESSIONAL)
2257
sbits |= IEC958_AES0_PROFESSIONAL;
2258
if (sbits & IEC958_AES0_PROFESSIONAL) {
2259
if (val & AC_DIG1_EMPHASIS)
2260
sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2262
if (val & AC_DIG1_EMPHASIS)
2263
sbits |= IEC958_AES0_CON_EMPHASIS_5015;
2264
if (!(val & AC_DIG1_COPYRIGHT))
2265
sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
2266
if (val & AC_DIG1_LEVEL)
2267
sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2268
sbits |= val & (0x7f << 8);
2273
/* set digital convert verbs both for the given NID and its slaves */
2274
static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
2279
snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2281
d = codec->slave_dig_outs;
2285
snd_hdac_regmap_update(&codec->core, *d,
2286
AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2289
static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2292
unsigned int mask = 0;
2293
unsigned int val = 0;
2303
set_dig_out(codec, nid, mask, val);
2306
static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2307
struct snd_ctl_elem_value *ucontrol)
2309
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2310
int idx = kcontrol->private_value;
2311
struct hda_spdif_out *spdif;
2316
if (WARN_ON(codec->spdif_out.used <= idx))
2318
mutex_lock(&codec->spdif_mutex);
2319
spdif = snd_array_elem(&codec->spdif_out, idx);
2321
spdif->status = ucontrol->value.iec958.status[0] |
2322
((unsigned int)ucontrol->value.iec958.status[1] << 8) |
2323
((unsigned int)ucontrol->value.iec958.status[2] << 16) |
2324
((unsigned int)ucontrol->value.iec958.status[3] << 24);
2325
val = convert_from_spdif_status(spdif->status);
2326
val |= spdif->ctls & 1;
2327
change = spdif->ctls != val;
2329
if (change && nid != (u16)-1)
2330
set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
2331
mutex_unlock(&codec->spdif_mutex);
2335
#define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
2337
static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2338
struct snd_ctl_elem_value *ucontrol)
2340
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2341
int idx = kcontrol->private_value;
2342
struct hda_spdif_out *spdif;
2344
if (WARN_ON(codec->spdif_out.used <= idx))
2346
mutex_lock(&codec->spdif_mutex);
2347
spdif = snd_array_elem(&codec->spdif_out, idx);
2348
ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
2349
mutex_unlock(&codec->spdif_mutex);
2353
static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
2356
set_dig_out_convert(codec, nid, dig1, dig2);
2357
/* unmute amp switch (if any) */
2358
if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2359
(dig1 & AC_DIG1_ENABLE))
2360
snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2364
static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2365
struct snd_ctl_elem_value *ucontrol)
2367
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2368
int idx = kcontrol->private_value;
2369
struct hda_spdif_out *spdif;
2374
if (WARN_ON(codec->spdif_out.used <= idx))
2376
mutex_lock(&codec->spdif_mutex);
2377
spdif = snd_array_elem(&codec->spdif_out, idx);
2379
val = spdif->ctls & ~AC_DIG1_ENABLE;
2380
if (ucontrol->value.integer.value[0])
2381
val |= AC_DIG1_ENABLE;
2382
change = spdif->ctls != val;
2384
if (change && nid != (u16)-1)
2385
set_spdif_ctls(codec, nid, val & 0xff, -1);
2386
mutex_unlock(&codec->spdif_mutex);
2390
static struct snd_kcontrol_new dig_mixes[] = {
2392
.access = SNDRV_CTL_ELEM_ACCESS_READ,
2393
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2394
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
2395
.info = snd_hda_spdif_mask_info,
2396
.get = snd_hda_spdif_cmask_get,
2399
.access = SNDRV_CTL_ELEM_ACCESS_READ,
2400
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2401
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
2402
.info = snd_hda_spdif_mask_info,
2403
.get = snd_hda_spdif_pmask_get,
2406
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2407
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
2408
.info = snd_hda_spdif_mask_info,
2409
.get = snd_hda_spdif_default_get,
2410
.put = snd_hda_spdif_default_put,
2413
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2414
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
2415
.info = snd_hda_spdif_out_switch_info,
2416
.get = snd_hda_spdif_out_switch_get,
2417
.put = snd_hda_spdif_out_switch_put,
2423
* snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
2424
* @codec: the HDA codec
2425
* @associated_nid: NID that new ctls associated with
2426
* @cvt_nid: converter NID
2427
* @type: HDA_PCM_TYPE_*
2428
* Creates controls related with the digital output.
2429
* Called from each patch supporting the digital out.
2431
* Returns 0 if successful, or a negative error code.
2433
int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2434
hda_nid_t associated_nid,
2439
struct snd_kcontrol *kctl;
2440
struct snd_kcontrol_new *dig_mix;
2443
const int spdif_index = 16;
2444
struct hda_spdif_out *spdif;
2445
struct hda_bus *bus = codec->bus;
2447
if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
2448
type == HDA_PCM_TYPE_SPDIF) {
2450
} else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
2451
type == HDA_PCM_TYPE_HDMI) {
2452
/* suppose a single SPDIF device */
2453
for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2454
kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
2457
kctl->id.index = spdif_index;
2459
bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
2461
if (!bus->primary_dig_out_type)
2462
bus->primary_dig_out_type = type;
2464
idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
2466
codec_err(codec, "too many IEC958 outputs\n");
2469
spdif = snd_array_new(&codec->spdif_out);
2472
for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2473
kctl = snd_ctl_new1(dig_mix, codec);
2476
kctl->id.index = idx;
2477
kctl->private_value = codec->spdif_out.used - 1;
2478
err = snd_hda_ctl_add(codec, associated_nid, kctl);
2482
spdif->nid = cvt_nid;
2483
snd_hdac_regmap_read(&codec->core, cvt_nid,
2484
AC_VERB_GET_DIGI_CONVERT_1, &val);
2486
spdif->status = convert_to_spdif_status(spdif->ctls);
2489
EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
2492
* snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID
2493
* @codec: the HDA codec
2496
* call within spdif_mutex lock
2498
struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2501
struct hda_spdif_out *spdif;
2504
snd_array_for_each(&codec->spdif_out, i, spdif) {
2505
if (spdif->nid == nid)
2510
EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
2513
* snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl
2514
* @codec: the HDA codec
2515
* @idx: the SPDIF ctl index
2517
* Unassign the widget from the given SPDIF control.
2519
void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2521
struct hda_spdif_out *spdif;
2523
if (WARN_ON(codec->spdif_out.used <= idx))
2525
mutex_lock(&codec->spdif_mutex);
2526
spdif = snd_array_elem(&codec->spdif_out, idx);
2527
spdif->nid = (u16)-1;
2528
mutex_unlock(&codec->spdif_mutex);
2530
EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
2533
* snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID
2534
* @codec: the HDA codec
2535
* @idx: the SPDIF ctl idx
2538
* Assign the widget to the SPDIF control with the given index.
2540
void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2542
struct hda_spdif_out *spdif;
2545
if (WARN_ON(codec->spdif_out.used <= idx))
2547
mutex_lock(&codec->spdif_mutex);
2548
spdif = snd_array_elem(&codec->spdif_out, idx);
2549
if (spdif->nid != nid) {
2552
set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2554
mutex_unlock(&codec->spdif_mutex);
2556
EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
2559
* SPDIF sharing with analog output
2561
static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2562
struct snd_ctl_elem_value *ucontrol)
2564
struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2565
ucontrol->value.integer.value[0] = mout->share_spdif;
2569
static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2570
struct snd_ctl_elem_value *ucontrol)
2572
struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2573
mout->share_spdif = !!ucontrol->value.integer.value[0];
2577
static const struct snd_kcontrol_new spdif_share_sw = {
2578
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2579
.name = "IEC958 Default PCM Playback Switch",
2580
.info = snd_ctl_boolean_mono_info,
2581
.get = spdif_share_sw_get,
2582
.put = spdif_share_sw_put,
2586
* snd_hda_create_spdif_share_sw - create Default PCM switch
2587
* @codec: the HDA codec
2588
* @mout: multi-out instance
2590
int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2591
struct hda_multi_out *mout)
2593
struct snd_kcontrol *kctl;
2595
if (!mout->dig_out_nid)
2598
kctl = snd_ctl_new1(&spdif_share_sw, mout);
2601
/* ATTENTION: here mout is passed as private_data, instead of codec */
2602
return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
2604
EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
2610
#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2612
static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2613
struct snd_ctl_elem_value *ucontrol)
2615
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2617
ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2621
static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2622
struct snd_ctl_elem_value *ucontrol)
2624
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2625
hda_nid_t nid = kcontrol->private_value;
2626
unsigned int val = !!ucontrol->value.integer.value[0];
2629
mutex_lock(&codec->spdif_mutex);
2630
change = codec->spdif_in_enable != val;
2632
codec->spdif_in_enable = val;
2633
snd_hdac_regmap_write(&codec->core, nid,
2634
AC_VERB_SET_DIGI_CONVERT_1, val);
2636
mutex_unlock(&codec->spdif_mutex);
2640
static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2641
struct snd_ctl_elem_value *ucontrol)
2643
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2644
hda_nid_t nid = kcontrol->private_value;
2648
snd_hdac_regmap_read(&codec->core, nid,
2649
AC_VERB_GET_DIGI_CONVERT_1, &val);
2650
sbits = convert_to_spdif_status(val);
2651
ucontrol->value.iec958.status[0] = sbits;
2652
ucontrol->value.iec958.status[1] = sbits >> 8;
2653
ucontrol->value.iec958.status[2] = sbits >> 16;
2654
ucontrol->value.iec958.status[3] = sbits >> 24;
2658
static struct snd_kcontrol_new dig_in_ctls[] = {
2660
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2661
.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
2662
.info = snd_hda_spdif_in_switch_info,
2663
.get = snd_hda_spdif_in_switch_get,
2664
.put = snd_hda_spdif_in_switch_put,
2667
.access = SNDRV_CTL_ELEM_ACCESS_READ,
2668
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2669
.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
2670
.info = snd_hda_spdif_mask_info,
2671
.get = snd_hda_spdif_in_status_get,
2677
* snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
2678
* @codec: the HDA codec
2679
* @nid: audio in widget NID
2681
* Creates controls related with the SPDIF input.
2682
* Called from each patch supporting the SPDIF in.
2684
* Returns 0 if successful, or a negative error code.
2686
int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
2689
struct snd_kcontrol *kctl;
2690
struct snd_kcontrol_new *dig_mix;
2693
idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
2695
codec_err(codec, "too many IEC958 inputs\n");
2698
for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2699
kctl = snd_ctl_new1(dig_mix, codec);
2702
kctl->private_value = nid;
2703
err = snd_hda_ctl_add(codec, nid, kctl);
2707
codec->spdif_in_enable =
2708
snd_hda_codec_read(codec, nid, 0,
2709
AC_VERB_GET_DIGI_CONVERT_1, 0) &
2713
EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
2716
* snd_hda_codec_set_power_to_all - Set the power state to all widgets
2717
* @codec: the HDA codec
2718
* @fg: function group (not used now)
2719
* @power_state: the power state to set (AC_PWRST_*)
2721
* Set the given power state to all widgets that have the power control.
2722
* If the codec has power_filter set, it evaluates the power state and
2723
* filter out if it's unchanged as D3.
2725
void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
2726
unsigned int power_state)
2730
for_each_hda_codec_node(nid, codec) {
2731
unsigned int wcaps = get_wcaps(codec, nid);
2732
unsigned int state = power_state;
2733
if (!(wcaps & AC_WCAP_POWER))
2735
if (codec->power_filter) {
2736
state = codec->power_filter(codec, nid, power_state);
2737
if (state != power_state && power_state == AC_PWRST_D3)
2740
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
2744
EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
2747
* snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
2748
* @codec: the HDA codec
2750
* @power_state: power state to evalue
2752
* Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set.
2753
* This can be used a codec power_filter callback.
2755
unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2757
unsigned int power_state)
2759
if (nid == codec->core.afg || nid == codec->core.mfg)
2761
if (power_state == AC_PWRST_D3 &&
2762
get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
2763
(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
2764
int eapd = snd_hda_codec_read(codec, nid, 0,
2765
AC_VERB_GET_EAPD_BTLENABLE, 0);
2771
EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
2774
* set power state of the codec, and return the power state
2776
static unsigned int hda_set_power_state(struct hda_codec *codec,
2777
unsigned int power_state)
2779
hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
2784
/* this delay seems necessary to avoid click noise at power-down */
2785
if (power_state == AC_PWRST_D3) {
2786
if (codec->depop_delay < 0)
2787
msleep(codec_has_epss(codec) ? 10 : 100);
2788
else if (codec->depop_delay > 0)
2789
msleep(codec->depop_delay);
2790
flags = HDA_RW_NO_RESPONSE_FALLBACK;
2793
/* repeat power states setting at most 10 times*/
2794
for (count = 0; count < 10; count++) {
2795
if (codec->patch_ops.set_power_state)
2796
codec->patch_ops.set_power_state(codec, fg,
2799
state = power_state;
2800
if (codec->power_filter)
2801
state = codec->power_filter(codec, fg, state);
2802
if (state == power_state || power_state != AC_PWRST_D3)
2803
snd_hda_codec_read(codec, fg, flags,
2804
AC_VERB_SET_POWER_STATE,
2806
snd_hda_codec_set_power_to_all(codec, fg, power_state);
2808
state = snd_hda_sync_power_state(codec, fg, power_state);
2809
if (!(state & AC_PWRST_ERROR))
2816
/* sync power states of all widgets;
2817
* this is called at the end of codec parsing
2819
static void sync_power_up_states(struct hda_codec *codec)
2823
/* don't care if no filter is used */
2824
if (!codec->power_filter)
2827
for_each_hda_codec_node(nid, codec) {
2828
unsigned int wcaps = get_wcaps(codec, nid);
2829
unsigned int target;
2830
if (!(wcaps & AC_WCAP_POWER))
2832
target = codec->power_filter(codec, nid, AC_PWRST_D0);
2833
if (target == AC_PWRST_D0)
2835
if (!snd_hda_check_power_state(codec, nid, target))
2836
snd_hda_codec_write(codec, nid, 0,
2837
AC_VERB_SET_POWER_STATE, target);
2841
#ifdef CONFIG_SND_HDA_RECONFIG
2842
/* execute additional init verbs */
2843
static void hda_exec_init_verbs(struct hda_codec *codec)
2845
if (codec->init_verbs.list)
2846
snd_hda_sequence_write(codec, codec->init_verbs.list);
2849
static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2853
/* update the power on/off account with the current jiffies */
2854
static void update_power_acct(struct hda_codec *codec, bool on)
2856
unsigned long delta = jiffies - codec->power_jiffies;
2859
codec->power_on_acct += delta;
2861
codec->power_off_acct += delta;
2862
codec->power_jiffies += delta;
2865
void snd_hda_update_power_acct(struct hda_codec *codec)
2867
update_power_acct(codec, hda_codec_is_power_on(codec));
2871
* call suspend and power-down; used both from PM and power-save
2872
* this function returns the power state in the end
2874
static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
2878
snd_hdac_enter_pm(&codec->core);
2879
if (codec->patch_ops.suspend)
2880
codec->patch_ops.suspend(codec);
2881
hda_cleanup_all_streams(codec);
2882
state = hda_set_power_state(codec, AC_PWRST_D3);
2883
update_power_acct(codec, true);
2884
snd_hdac_leave_pm(&codec->core);
2889
* kick up codec; used both from PM and power-save
2891
static void hda_call_codec_resume(struct hda_codec *codec)
2893
snd_hdac_enter_pm(&codec->core);
2894
if (codec->core.regmap)
2895
regcache_mark_dirty(codec->core.regmap);
2897
codec->power_jiffies = jiffies;
2899
hda_set_power_state(codec, AC_PWRST_D0);
2900
restore_shutup_pins(codec);
2901
hda_exec_init_verbs(codec);
2902
snd_hda_jack_set_dirty_all(codec);
2903
if (codec->patch_ops.resume)
2904
codec->patch_ops.resume(codec);
2906
if (codec->patch_ops.init)
2907
codec->patch_ops.init(codec);
2908
if (codec->core.regmap)
2909
regcache_sync(codec->core.regmap);
2912
if (codec->jackpoll_interval)
2913
hda_jackpoll_work(&codec->jackpoll_work.work);
2915
snd_hda_jack_report_sync(codec);
2916
codec->core.dev.power.power_state = PMSG_ON;
2917
snd_hdac_leave_pm(&codec->core);
2920
static int hda_codec_runtime_suspend(struct device *dev)
2922
struct hda_codec *codec = dev_to_hda_codec(dev);
2925
cancel_delayed_work_sync(&codec->jackpoll_work);
2926
state = hda_call_codec_suspend(codec);
2927
if (codec->link_down_at_suspend ||
2928
(codec_has_clkstop(codec) && codec_has_epss(codec) &&
2929
(state & AC_PWRST_CLK_STOP_OK)))
2930
snd_hdac_codec_link_down(&codec->core);
2931
codec_display_power(codec, false);
2935
static int hda_codec_runtime_resume(struct device *dev)
2937
struct hda_codec *codec = dev_to_hda_codec(dev);
2939
codec_display_power(codec, true);
2940
snd_hdac_codec_link_up(&codec->core);
2941
hda_call_codec_resume(codec);
2942
pm_runtime_mark_last_busy(dev);
2945
#endif /* CONFIG_PM */
2947
#ifdef CONFIG_PM_SLEEP
2948
static int hda_codec_force_resume(struct device *dev)
2950
struct hda_codec *codec = dev_to_hda_codec(dev);
2951
bool forced_resume = !codec->relaxed_resume && codec->jacktbl.used;
2954
/* The get/put pair below enforces the runtime resume even if the
2955
* device hasn't been used at suspend time. This trick is needed to
2956
* update the jack state change during the sleep.
2959
pm_runtime_get_noresume(dev);
2960
ret = pm_runtime_force_resume(dev);
2962
pm_runtime_put(dev);
2966
static int hda_codec_pm_suspend(struct device *dev)
2968
dev->power.power_state = PMSG_SUSPEND;
2969
return pm_runtime_force_suspend(dev);
2972
static int hda_codec_pm_resume(struct device *dev)
2974
dev->power.power_state = PMSG_RESUME;
2975
return hda_codec_force_resume(dev);
2978
static int hda_codec_pm_freeze(struct device *dev)
2980
dev->power.power_state = PMSG_FREEZE;
2981
return pm_runtime_force_suspend(dev);
2984
static int hda_codec_pm_thaw(struct device *dev)
2986
dev->power.power_state = PMSG_THAW;
2987
return hda_codec_force_resume(dev);
2990
static int hda_codec_pm_restore(struct device *dev)
2992
dev->power.power_state = PMSG_RESTORE;
2993
return hda_codec_force_resume(dev);
2995
#endif /* CONFIG_PM_SLEEP */
2997
/* referred in hda_bind.c */
2998
const struct dev_pm_ops hda_codec_driver_pm = {
2999
#ifdef CONFIG_PM_SLEEP
3000
.suspend = hda_codec_pm_suspend,
3001
.resume = hda_codec_pm_resume,
3002
.freeze = hda_codec_pm_freeze,
3003
.thaw = hda_codec_pm_thaw,
3004
.poweroff = hda_codec_pm_suspend,
3005
.restore = hda_codec_pm_restore,
3006
#endif /* CONFIG_PM_SLEEP */
3007
SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
3012
* add standard channel maps if not specified
3014
static int add_std_chmaps(struct hda_codec *codec)
3016
struct hda_pcm *pcm;
3019
list_for_each_entry(pcm, &codec->pcm_list_head, list) {
3020
for (str = 0; str < 2; str++) {
3021
struct hda_pcm_stream *hinfo = &pcm->stream[str];
3022
struct snd_pcm_chmap *chmap;
3023
const struct snd_pcm_chmap_elem *elem;
3025
if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
3027
elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
3028
err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
3029
hinfo->channels_max,
3033
chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
3039
/* default channel maps for 2.1 speakers;
3040
* since HD-audio supports only stereo, odd number channels are omitted
3042
const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
3044
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
3046
.map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
3047
SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
3050
EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
3052
int snd_hda_codec_build_controls(struct hda_codec *codec)
3055
hda_exec_init_verbs(codec);
3056
/* continue to initialize... */
3057
if (codec->patch_ops.init)
3058
err = codec->patch_ops.init(codec);
3059
if (!err && codec->patch_ops.build_controls)
3060
err = codec->patch_ops.build_controls(codec);
3064
/* we create chmaps here instead of build_pcms */
3065
err = add_std_chmaps(codec);
3069
if (codec->jackpoll_interval)
3070
hda_jackpoll_work(&codec->jackpoll_work.work);
3072
snd_hda_jack_report_sync(codec); /* call at the last init point */
3073
sync_power_up_states(codec);
3076
EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls);
3081
static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
3082
struct hda_codec *codec,
3083
struct snd_pcm_substream *substream)
3088
static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3089
struct hda_codec *codec,
3090
unsigned int stream_tag,
3091
unsigned int format,
3092
struct snd_pcm_substream *substream)
3094
snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3098
static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3099
struct hda_codec *codec,
3100
struct snd_pcm_substream *substream)
3102
snd_hda_codec_cleanup_stream(codec, hinfo->nid);
3106
static int set_pcm_default_values(struct hda_codec *codec,
3107
struct hda_pcm_stream *info)
3111
/* query support PCM information from the given NID */
3112
if (info->nid && (!info->rates || !info->formats)) {
3113
err = snd_hda_query_supported_pcm(codec, info->nid,
3114
info->rates ? NULL : &info->rates,
3115
info->formats ? NULL : &info->formats,
3116
info->maxbps ? NULL : &info->maxbps);
3120
if (info->ops.open == NULL)
3121
info->ops.open = hda_pcm_default_open_close;
3122
if (info->ops.close == NULL)
3123
info->ops.close = hda_pcm_default_open_close;
3124
if (info->ops.prepare == NULL) {
3125
if (snd_BUG_ON(!info->nid))
3127
info->ops.prepare = hda_pcm_default_prepare;
3129
if (info->ops.cleanup == NULL) {
3130
if (snd_BUG_ON(!info->nid))
3132
info->ops.cleanup = hda_pcm_default_cleanup;
3138
* codec prepare/cleanup entries
3141
* snd_hda_codec_prepare - Prepare a stream
3142
* @codec: the HDA codec
3143
* @hinfo: PCM information
3144
* @stream: stream tag to assign
3145
* @format: format id to assign
3146
* @substream: PCM substream to assign
3148
* Calls the prepare callback set by the codec with the given arguments.
3149
* Clean up the inactive streams when successful.
3151
int snd_hda_codec_prepare(struct hda_codec *codec,
3152
struct hda_pcm_stream *hinfo,
3153
unsigned int stream,
3154
unsigned int format,
3155
struct snd_pcm_substream *substream)
3158
mutex_lock(&codec->bus->prepare_mutex);
3159
if (hinfo->ops.prepare)
3160
ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3165
purify_inactive_streams(codec);
3166
mutex_unlock(&codec->bus->prepare_mutex);
3169
EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
3172
* snd_hda_codec_cleanup - Prepare a stream
3173
* @codec: the HDA codec
3174
* @hinfo: PCM information
3175
* @substream: PCM substream
3177
* Calls the cleanup callback set by the codec with the given arguments.
3179
void snd_hda_codec_cleanup(struct hda_codec *codec,
3180
struct hda_pcm_stream *hinfo,
3181
struct snd_pcm_substream *substream)
3183
mutex_lock(&codec->bus->prepare_mutex);
3184
if (hinfo->ops.cleanup)
3185
hinfo->ops.cleanup(hinfo, codec, substream);
3186
mutex_unlock(&codec->bus->prepare_mutex);
3188
EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
3191
const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3192
"Audio", "SPDIF", "HDMI", "Modem"
3196
* get the empty PCM device number to assign
3198
static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
3200
/* audio device indices; not linear to keep compatibility */
3201
/* assigned to static slots up to dev#10; if more needed, assign
3202
* the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y)
3204
static int audio_idx[HDA_PCM_NTYPES][5] = {
3205
[HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
3206
[HDA_PCM_TYPE_SPDIF] = { 1, -1 },
3207
[HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
3208
[HDA_PCM_TYPE_MODEM] = { 6, -1 },
3212
if (type >= HDA_PCM_NTYPES) {
3213
dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
3217
for (i = 0; audio_idx[type][i] >= 0; i++) {
3218
#ifndef CONFIG_SND_DYNAMIC_MINORS
3219
if (audio_idx[type][i] >= 8)
3222
if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3223
return audio_idx[type][i];
3226
#ifdef CONFIG_SND_DYNAMIC_MINORS
3227
/* non-fixed slots starting from 10 */
3228
for (i = 10; i < 32; i++) {
3229
if (!test_and_set_bit(i, bus->pcm_dev_bits))
3234
dev_warn(bus->card->dev, "Too many %s devices\n",
3235
snd_hda_pcm_type_name[type]);
3236
#ifndef CONFIG_SND_DYNAMIC_MINORS
3237
dev_warn(bus->card->dev,
3238
"Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
3243
/* call build_pcms ops of the given codec and set up the default parameters */
3244
int snd_hda_codec_parse_pcms(struct hda_codec *codec)
3246
struct hda_pcm *cpcm;
3249
if (!list_empty(&codec->pcm_list_head))
3250
return 0; /* already parsed */
3252
if (!codec->patch_ops.build_pcms)
3255
err = codec->patch_ops.build_pcms(codec);
3257
codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
3258
codec->core.addr, err);
3262
list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3265
for (stream = 0; stream < 2; stream++) {
3266
struct hda_pcm_stream *info = &cpcm->stream[stream];
3268
if (!info->substreams)
3270
err = set_pcm_default_values(codec, info);
3273
"fail to setup default for PCM %s\n",
3282
EXPORT_SYMBOL_GPL(snd_hda_codec_parse_pcms);
3284
/* assign all PCMs of the given codec */
3285
int snd_hda_codec_build_pcms(struct hda_codec *codec)
3287
struct hda_bus *bus = codec->bus;
3288
struct hda_pcm *cpcm;
3291
err = snd_hda_codec_parse_pcms(codec);
3295
/* attach a new PCM streams */
3296
list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3298
continue; /* already attached */
3299
if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
3300
continue; /* no substreams assigned */
3302
dev = get_empty_pcm_device(bus, cpcm->pcm_type);
3304
cpcm->device = SNDRV_PCM_INVALID_DEVICE;
3305
continue; /* no fatal error */
3308
err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
3311
"cannot attach PCM stream %d for codec #%d\n",
3312
dev, codec->core.addr);
3313
continue; /* no fatal error */
3321
* snd_hda_add_new_ctls - create controls from the array
3322
* @codec: the HDA codec
3323
* @knew: the array of struct snd_kcontrol_new
3325
* This helper function creates and add new controls in the given array.
3326
* The array must be terminated with an empty entry as terminator.
3328
* Returns 0 if successful, or a negative error code.
3330
int snd_hda_add_new_ctls(struct hda_codec *codec,
3331
const struct snd_kcontrol_new *knew)
3335
for (; knew->name; knew++) {
3336
struct snd_kcontrol *kctl;
3337
int addr = 0, idx = 0;
3338
if (knew->iface == (__force snd_ctl_elem_iface_t)-1)
3339
continue; /* skip this codec private value */
3341
kctl = snd_ctl_new1(knew, codec);
3345
kctl->id.device = addr;
3347
kctl->id.index = idx;
3348
err = snd_hda_ctl_add(codec, 0, kctl);
3351
/* try first with another device index corresponding to
3352
* the codec addr; if it still fails (or it's the
3353
* primary codec), then try another control index
3355
if (!addr && codec->core.addr)
3356
addr = codec->core.addr;
3357
else if (!idx && !knew->index) {
3358
idx = find_empty_mixer_ctl_idx(codec,
3368
EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
3371
static void codec_set_power_save(struct hda_codec *codec, int delay)
3373
struct device *dev = hda_codec_dev(codec);
3375
if (delay == 0 && codec->auto_runtime_pm)
3379
pm_runtime_set_autosuspend_delay(dev, delay);
3380
pm_runtime_use_autosuspend(dev);
3381
pm_runtime_allow(dev);
3382
if (!pm_runtime_suspended(dev))
3383
pm_runtime_mark_last_busy(dev);
3385
pm_runtime_dont_use_autosuspend(dev);
3386
pm_runtime_forbid(dev);
3391
* snd_hda_set_power_save - reprogram autosuspend for the given delay
3392
* @bus: HD-audio bus
3393
* @delay: autosuspend delay in msec, 0 = off
3395
* Synchronize the runtime PM autosuspend state from the power_save option.
3397
void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3399
struct hda_codec *c;
3401
list_for_each_codec(c, bus)
3402
codec_set_power_save(c, delay);
3404
EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
3407
* snd_hda_check_amp_list_power - Check the amp list and update the power
3408
* @codec: HD-audio codec
3409
* @check: the object containing an AMP list and the status
3410
* @nid: NID to check / update
3412
* Check whether the given NID is in the amp list. If it's in the list,
3413
* check the current AMP status, and update the the power-status according
3414
* to the mute status.
3416
* This function is supposed to be set or called from the check_power_status
3419
int snd_hda_check_amp_list_power(struct hda_codec *codec,
3420
struct hda_loopback_check *check,
3423
const struct hda_amp_list *p;
3426
if (!check->amplist)
3428
for (p = check->amplist; p->nid; p++) {
3433
return 0; /* nothing changed */
3435
for (p = check->amplist; p->nid; p++) {
3436
for (ch = 0; ch < 2; ch++) {
3437
v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3439
if (!(v & HDA_AMP_MUTE) && v > 0) {
3440
if (!check->power_on) {
3441
check->power_on = 1;
3442
snd_hda_power_up_pm(codec);
3448
if (check->power_on) {
3449
check->power_on = 0;
3450
snd_hda_power_down_pm(codec);
3454
EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
3462
* snd_hda_input_mux_info_info - Info callback helper for the input-mux enum
3463
* @imux: imux helper object
3464
* @uinfo: pointer to get/store the data
3466
int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3467
struct snd_ctl_elem_info *uinfo)
3471
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3473
uinfo->value.enumerated.items = imux->num_items;
3474
if (!imux->num_items)
3476
index = uinfo->value.enumerated.item;
3477
if (index >= imux->num_items)
3478
index = imux->num_items - 1;
3479
strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3482
EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
3485
* snd_hda_input_mux_info_put - Put callback helper for the input-mux enum
3486
* @codec: the HDA codec
3487
* @imux: imux helper object
3488
* @ucontrol: pointer to get/store the data
3489
* @nid: input mux NID
3490
* @cur_val: pointer to get/store the current imux value
3492
int snd_hda_input_mux_put(struct hda_codec *codec,
3493
const struct hda_input_mux *imux,
3494
struct snd_ctl_elem_value *ucontrol,
3496
unsigned int *cur_val)
3500
if (!imux->num_items)
3502
idx = ucontrol->value.enumerated.item[0];
3503
if (idx >= imux->num_items)
3504
idx = imux->num_items - 1;
3505
if (*cur_val == idx)
3507
snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3508
imux->items[idx].index);
3512
EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
3516
* snd_hda_enum_helper_info - Helper for simple enum ctls
3517
* @kcontrol: ctl element
3518
* @uinfo: pointer to get/store the data
3519
* @num_items: number of enum items
3520
* @texts: enum item string array
3522
* process kcontrol info callback of a simple string enum array
3523
* when @num_items is 0 or @texts is NULL, assume a boolean enum array
3525
int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3526
struct snd_ctl_elem_info *uinfo,
3527
int num_items, const char * const *texts)
3529
static const char * const texts_default[] = {
3530
"Disabled", "Enabled"
3533
if (!texts || !num_items) {
3535
texts = texts_default;
3538
return snd_ctl_enum_info(uinfo, 1, num_items, texts);
3540
EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
3543
* Multi-channel / digital-out PCM helper functions
3546
/* setup SPDIF output stream */
3547
static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3548
unsigned int stream_tag, unsigned int format)
3550
struct hda_spdif_out *spdif;
3551
unsigned int curr_fmt;
3554
spdif = snd_hda_spdif_out_of_nid(codec, nid);
3555
/* Add sanity check to pass klockwork check.
3556
* This should never happen.
3558
if (WARN_ON(spdif == NULL))
3561
curr_fmt = snd_hda_codec_read(codec, nid, 0,
3562
AC_VERB_GET_STREAM_FORMAT, 0);
3563
reset = codec->spdif_status_reset &&
3564
(spdif->ctls & AC_DIG1_ENABLE) &&
3567
/* turn off SPDIF if needed; otherwise the IEC958 bits won't be
3570
set_dig_out_convert(codec, nid,
3571
spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
3573
snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
3574
if (codec->slave_dig_outs) {
3576
for (d = codec->slave_dig_outs; *d; d++)
3577
snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3580
/* turn on again (if needed) */
3582
set_dig_out_convert(codec, nid,
3583
spdif->ctls & 0xff, -1);
3586
static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3588
snd_hda_codec_cleanup_stream(codec, nid);
3589
if (codec->slave_dig_outs) {
3591
for (d = codec->slave_dig_outs; *d; d++)
3592
snd_hda_codec_cleanup_stream(codec, *d);
3597
* snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
3598
* @codec: the HDA codec
3599
* @mout: hda_multi_out object
3601
int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3602
struct hda_multi_out *mout)
3604
mutex_lock(&codec->spdif_mutex);
3605
if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3606
/* already opened as analog dup; reset it once */
3607
cleanup_dig_out_stream(codec, mout->dig_out_nid);
3608
mout->dig_out_used = HDA_DIG_EXCLUSIVE;
3609
mutex_unlock(&codec->spdif_mutex);
3612
EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
3615
* snd_hda_multi_out_dig_prepare - prepare the digital out stream
3616
* @codec: the HDA codec
3617
* @mout: hda_multi_out object
3618
* @stream_tag: stream tag to assign
3619
* @format: format id to assign
3620
* @substream: PCM substream to assign
3622
int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3623
struct hda_multi_out *mout,
3624
unsigned int stream_tag,
3625
unsigned int format,
3626
struct snd_pcm_substream *substream)
3628
mutex_lock(&codec->spdif_mutex);
3629
setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3630
mutex_unlock(&codec->spdif_mutex);
3633
EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
3636
* snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
3637
* @codec: the HDA codec
3638
* @mout: hda_multi_out object
3640
int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3641
struct hda_multi_out *mout)
3643
mutex_lock(&codec->spdif_mutex);
3644
cleanup_dig_out_stream(codec, mout->dig_out_nid);
3645
mutex_unlock(&codec->spdif_mutex);
3648
EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
3651
* snd_hda_multi_out_dig_close - release the digital out stream
3652
* @codec: the HDA codec
3653
* @mout: hda_multi_out object
3655
int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3656
struct hda_multi_out *mout)
3658
mutex_lock(&codec->spdif_mutex);
3659
mout->dig_out_used = 0;
3660
mutex_unlock(&codec->spdif_mutex);
3663
EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
3666
* snd_hda_multi_out_analog_open - open analog outputs
3667
* @codec: the HDA codec
3668
* @mout: hda_multi_out object
3669
* @substream: PCM substream to assign
3670
* @hinfo: PCM information to assign
3672
* Open analog outputs and set up the hw-constraints.
3673
* If the digital outputs can be opened as slave, open the digital
3676
int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3677
struct hda_multi_out *mout,
3678
struct snd_pcm_substream *substream,
3679
struct hda_pcm_stream *hinfo)
3681
struct snd_pcm_runtime *runtime = substream->runtime;
3682
runtime->hw.channels_max = mout->max_channels;
3683
if (mout->dig_out_nid) {
3684
if (!mout->analog_rates) {
3685
mout->analog_rates = hinfo->rates;
3686
mout->analog_formats = hinfo->formats;
3687
mout->analog_maxbps = hinfo->maxbps;
3689
runtime->hw.rates = mout->analog_rates;
3690
runtime->hw.formats = mout->analog_formats;
3691
hinfo->maxbps = mout->analog_maxbps;
3693
if (!mout->spdif_rates) {
3694
snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3696
&mout->spdif_formats,
3697
&mout->spdif_maxbps);
3699
mutex_lock(&codec->spdif_mutex);
3700
if (mout->share_spdif) {
3701
if ((runtime->hw.rates & mout->spdif_rates) &&
3702
(runtime->hw.formats & mout->spdif_formats)) {
3703
runtime->hw.rates &= mout->spdif_rates;
3704
runtime->hw.formats &= mout->spdif_formats;
3705
if (mout->spdif_maxbps < hinfo->maxbps)
3706
hinfo->maxbps = mout->spdif_maxbps;
3708
mout->share_spdif = 0;
3709
/* FIXME: need notify? */
3712
mutex_unlock(&codec->spdif_mutex);
3714
return snd_pcm_hw_constraint_step(substream->runtime, 0,
3715
SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3717
EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
3720
* snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
3721
* @codec: the HDA codec
3722
* @mout: hda_multi_out object
3723
* @stream_tag: stream tag to assign
3724
* @format: format id to assign
3725
* @substream: PCM substream to assign
3727
* Set up the i/o for analog out.
3728
* When the digital out is available, copy the front out to digital out, too.
3730
int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3731
struct hda_multi_out *mout,
3732
unsigned int stream_tag,
3733
unsigned int format,
3734
struct snd_pcm_substream *substream)
3736
const hda_nid_t *nids = mout->dac_nids;
3737
int chs = substream->runtime->channels;
3738
struct hda_spdif_out *spdif;
3741
mutex_lock(&codec->spdif_mutex);
3742
spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
3743
if (mout->dig_out_nid && mout->share_spdif &&
3744
mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
3745
if (chs == 2 && spdif != NULL &&
3746
snd_hda_is_supported_format(codec, mout->dig_out_nid,
3748
!(spdif->status & IEC958_AES0_NONAUDIO)) {
3749
mout->dig_out_used = HDA_DIG_ANALOG_DUP;
3750
setup_dig_out_stream(codec, mout->dig_out_nid,
3751
stream_tag, format);
3753
mout->dig_out_used = 0;
3754
cleanup_dig_out_stream(codec, mout->dig_out_nid);
3757
mutex_unlock(&codec->spdif_mutex);
3760
snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3762
if (!mout->no_share_stream &&
3763
mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
3764
/* headphone out will just decode front left/right (stereo) */
3765
snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3767
/* extra outputs copied from front */
3768
for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3769
if (!mout->no_share_stream && mout->hp_out_nid[i])
3770
snd_hda_codec_setup_stream(codec,
3771
mout->hp_out_nid[i],
3772
stream_tag, 0, format);
3775
for (i = 1; i < mout->num_dacs; i++) {
3776
if (chs >= (i + 1) * 2) /* independent out */
3777
snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3779
else if (!mout->no_share_stream) /* copy front */
3780
snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3784
/* extra surrounds */
3785
for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3787
if (!mout->extra_out_nid[i])
3789
if (chs >= (i + 1) * 2)
3791
else if (!mout->no_share_stream)
3793
snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3794
stream_tag, ch, format);
3799
EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
3802
* snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
3803
* @codec: the HDA codec
3804
* @mout: hda_multi_out object
3806
int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3807
struct hda_multi_out *mout)
3809
const hda_nid_t *nids = mout->dac_nids;
3812
for (i = 0; i < mout->num_dacs; i++)
3813
snd_hda_codec_cleanup_stream(codec, nids[i]);
3815
snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
3816
for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3817
if (mout->hp_out_nid[i])
3818
snd_hda_codec_cleanup_stream(codec,
3819
mout->hp_out_nid[i]);
3820
for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3821
if (mout->extra_out_nid[i])
3822
snd_hda_codec_cleanup_stream(codec,
3823
mout->extra_out_nid[i]);
3824
mutex_lock(&codec->spdif_mutex);
3825
if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3826
cleanup_dig_out_stream(codec, mout->dig_out_nid);
3827
mout->dig_out_used = 0;
3829
mutex_unlock(&codec->spdif_mutex);
3832
EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
3835
* snd_hda_get_default_vref - Get the default (mic) VREF pin bits
3836
* @codec: the HDA codec
3837
* @pin: referred pin NID
3839
* Guess the suitable VREF pin bits to be set as the pin-control value.
3840
* Note: the function doesn't set the AC_PINCTL_IN_EN bit.
3842
unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
3844
unsigned int pincap;
3845
unsigned int oldval;
3846
oldval = snd_hda_codec_read(codec, pin, 0,
3847
AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
3848
pincap = snd_hda_query_pin_caps(codec, pin);
3849
pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3850
/* Exception: if the default pin setup is vref50, we give it priority */
3851
if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
3852
return AC_PINCTL_VREF_80;
3853
else if (pincap & AC_PINCAP_VREF_50)
3854
return AC_PINCTL_VREF_50;
3855
else if (pincap & AC_PINCAP_VREF_100)
3856
return AC_PINCTL_VREF_100;
3857
else if (pincap & AC_PINCAP_VREF_GRD)
3858
return AC_PINCTL_VREF_GRD;
3859
return AC_PINCTL_VREF_HIZ;
3861
EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
3864
* snd_hda_correct_pin_ctl - correct the pin ctl value for matching with the pin cap
3865
* @codec: the HDA codec
3866
* @pin: referred pin NID
3867
* @val: pin ctl value to audit
3869
unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3870
hda_nid_t pin, unsigned int val)
3872
static unsigned int cap_lists[][2] = {
3873
{ AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
3874
{ AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
3875
{ AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
3876
{ AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
3882
cap = snd_hda_query_pin_caps(codec, pin);
3884
return val; /* don't know what to do... */
3886
if (val & AC_PINCTL_OUT_EN) {
3887
if (!(cap & AC_PINCAP_OUT))
3888
val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
3889
else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
3890
val &= ~AC_PINCTL_HP_EN;
3893
if (val & AC_PINCTL_IN_EN) {
3894
if (!(cap & AC_PINCAP_IN))
3895
val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3897
unsigned int vcap, vref;
3899
vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3900
vref = val & AC_PINCTL_VREFEN;
3901
for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
3902
if (vref == cap_lists[i][0] &&
3903
!(vcap & cap_lists[i][1])) {
3904
if (i == ARRAY_SIZE(cap_lists) - 1)
3905
vref = AC_PINCTL_VREF_HIZ;
3907
vref = cap_lists[i + 1][0];
3910
val &= ~AC_PINCTL_VREFEN;
3917
EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
3920
* _snd_hda_pin_ctl - Helper to set pin ctl value
3921
* @codec: the HDA codec
3922
* @pin: referred pin NID
3923
* @val: pin control value to set
3924
* @cached: access over codec pinctl cache or direct write
3926
* This function is a helper to set a pin ctl value more safely.
3927
* It corrects the pin ctl value via snd_hda_correct_pin_ctl(), stores the
3928
* value in pin target array via snd_hda_codec_set_pin_target(), then
3929
* actually writes the value via either snd_hda_codec_write_cache() or
3930
* snd_hda_codec_write() depending on @cached flag.
3932
int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
3933
unsigned int val, bool cached)
3935
val = snd_hda_correct_pin_ctl(codec, pin, val);
3936
snd_hda_codec_set_pin_target(codec, pin, val);
3938
return snd_hda_codec_write_cache(codec, pin, 0,
3939
AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3941
return snd_hda_codec_write(codec, pin, 0,
3942
AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3944
EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
3947
* snd_hda_add_imux_item - Add an item to input_mux
3948
* @codec: the HDA codec
3949
* @imux: imux helper object
3950
* @label: the name of imux item to assign
3951
* @index: index number of imux item to assign
3952
* @type_idx: pointer to store the resultant label index
3954
* When the same label is used already in the existing items, the number
3955
* suffix is appended to the label. This label index number is stored
3956
* to type_idx when non-NULL pointer is given.
3958
int snd_hda_add_imux_item(struct hda_codec *codec,
3959
struct hda_input_mux *imux, const char *label,
3960
int index, int *type_idx)
3962
int i, label_idx = 0;
3963
if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
3964
codec_err(codec, "hda_codec: Too many imux items!\n");
3967
for (i = 0; i < imux->num_items; i++) {
3968
if (!strncmp(label, imux->items[i].label, strlen(label)))
3972
*type_idx = label_idx;
3974
snprintf(imux->items[imux->num_items].label,
3975
sizeof(imux->items[imux->num_items].label),
3976
"%s %d", label, label_idx);
3978
strlcpy(imux->items[imux->num_items].label, label,
3979
sizeof(imux->items[imux->num_items].label));
3980
imux->items[imux->num_items].index = index;
3984
EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
3987
* snd_hda_bus_reset_codecs - Reset the bus
3988
* @bus: HD-audio bus
3990
void snd_hda_bus_reset_codecs(struct hda_bus *bus)
3992
struct hda_codec *codec;
3994
list_for_each_codec(codec, bus) {
3995
/* FIXME: maybe a better way needed for forced reset */
3996
if (current_work() != &codec->jackpoll_work.work)
3997
cancel_delayed_work_sync(&codec->jackpoll_work);
3999
if (hda_codec_is_power_on(codec)) {
4000
hda_call_codec_suspend(codec);
4001
hda_call_codec_resume(codec);
4008
* snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
4009
* @pcm: PCM caps bits
4010
* @buf: the string buffer to write
4011
* @buflen: the max buffer length
4013
* used by hda_proc.c and hda_eld.c
4015
void snd_print_pcm_bits(int pcm, char *buf, int buflen)
4017
static unsigned int bits[] = { 8, 16, 20, 24, 32 };
4020
for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
4021
if (pcm & (AC_SUPPCM_BITS_8 << i))
4022
j += snprintf(buf + j, buflen - j, " %d", bits[i]);
4024
buf[j] = '\0'; /* necessary when j == 0 */
4026
EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
4028
MODULE_DESCRIPTION("HDA codec core");
4029
MODULE_LICENSE("GPL");
added
removed
buildroot/src/oem-audiosdw-lp1836324-0.6ubuntu1.2/pci/hda/hda_codec.c
