| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * Universal Interface for Intel High Definition Audio Codec |
| * |
| * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/delay.h> |
| #include <linux/slab.h> |
| #include <linux/mutex.h> |
| #include <linux/module.h> |
| #include <linux/pm.h> |
| #include <linux/pm_runtime.h> |
| #include <sound/core.h> |
| #include <sound/hda_codec.h> |
| #include <sound/asoundef.h> |
| #include <sound/tlv.h> |
| #include <sound/initval.h> |
| #include <sound/jack.h> |
| #include "hda_local.h" |
| #include "hda_beep.h" |
| #include "hda_jack.h" |
| #include <sound/hda_hwdep.h> |
| #include <sound/hda_component.h> |
| |
| #define codec_in_pm(codec) snd_hdac_is_in_pm(&codec->core) |
| #define hda_codec_is_power_on(codec) snd_hdac_is_power_on(&codec->core) |
| #define codec_has_epss(codec) \ |
| ((codec)->core.power_caps & AC_PWRST_EPSS) |
| #define codec_has_clkstop(codec) \ |
| ((codec)->core.power_caps & AC_PWRST_CLKSTOP) |
| |
| /* |
| * Send and receive a verb - passed to exec_verb override for hdac_device |
| */ |
| static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd, |
| unsigned int flags, unsigned int *res) |
| { |
| struct hda_codec *codec = container_of(dev, struct hda_codec, core); |
| struct hda_bus *bus = codec->bus; |
| int err; |
| |
| if (cmd == ~0) |
| return -1; |
| |
| again: |
| snd_hda_power_up_pm(codec); |
| mutex_lock(&bus->core.cmd_mutex); |
| if (flags & HDA_RW_NO_RESPONSE_FALLBACK) |
| bus->no_response_fallback = 1; |
| err = snd_hdac_bus_exec_verb_unlocked(&bus->core, codec->core.addr, |
| cmd, res); |
| bus->no_response_fallback = 0; |
| mutex_unlock(&bus->core.cmd_mutex); |
| snd_hda_power_down_pm(codec); |
| if (!codec_in_pm(codec) && res && err == -EAGAIN) { |
| if (bus->response_reset) { |
| codec_dbg(codec, |
| "resetting BUS due to fatal communication error\n"); |
| snd_hda_bus_reset(bus); |
| } |
| goto again; |
| } |
| /* clear reset-flag when the communication gets recovered */ |
| if (!err || codec_in_pm(codec)) |
| bus->response_reset = 0; |
| return err; |
| } |
| |
| /** |
| * snd_hda_sequence_write - sequence writes |
| * @codec: the HDA codec |
| * @seq: VERB array to send |
| * |
| * Send the commands sequentially from the given array. |
| * The array must be terminated with NID=0. |
| */ |
| void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq) |
| { |
| for (; seq->nid; seq++) |
| snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_sequence_write); |
| |
| /* connection list element */ |
| struct hda_conn_list { |
| struct list_head list; |
| int len; |
| hda_nid_t nid; |
| hda_nid_t conns[]; |
| }; |
| |
| /* look up the cached results */ |
| static struct hda_conn_list * |
| lookup_conn_list(struct hda_codec *codec, hda_nid_t nid) |
| { |
| struct hda_conn_list *p; |
| list_for_each_entry(p, &codec->conn_list, list) { |
| if (p->nid == nid) |
| return p; |
| } |
| return NULL; |
| } |
| |
| static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len, |
| const hda_nid_t *list) |
| { |
| struct hda_conn_list *p; |
| |
| p = kmalloc(struct_size(p, conns, len), GFP_KERNEL); |
| if (!p) |
| return -ENOMEM; |
| p->len = len; |
| p->nid = nid; |
| memcpy(p->conns, list, len * sizeof(hda_nid_t)); |
| list_add(&p->list, &codec->conn_list); |
| return 0; |
| } |
| |
| static void remove_conn_list(struct hda_codec *codec) |
| { |
| while (!list_empty(&codec->conn_list)) { |
| struct hda_conn_list *p; |
| p = list_first_entry(&codec->conn_list, typeof(*p), list); |
| list_del(&p->list); |
| kfree(p); |
| } |
| } |
| |
| /* read the connection and add to the cache */ |
| static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid) |
| { |
| hda_nid_t list[32]; |
| hda_nid_t *result = list; |
| int len; |
| |
| len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list)); |
| if (len == -ENOSPC) { |
| len = snd_hda_get_num_raw_conns(codec, nid); |
| result = kmalloc_array(len, sizeof(hda_nid_t), GFP_KERNEL); |
| if (!result) |
| return -ENOMEM; |
| len = snd_hda_get_raw_connections(codec, nid, result, len); |
| } |
| if (len >= 0) |
| len = snd_hda_override_conn_list(codec, nid, len, result); |
| if (result != list) |
| kfree(result); |
| return len; |
| } |
| |
| /** |
| * snd_hda_get_conn_list - get connection list |
| * @codec: the HDA codec |
| * @nid: NID to parse |
| * @listp: the pointer to store NID list |
| * |
| * Parses the connection list of the given widget and stores the pointer |
| * to the list of NIDs. |
| * |
| * Returns the number of connections, or a negative error code. |
| * |
| * Note that the returned pointer isn't protected against the list |
| * modification. If snd_hda_override_conn_list() might be called |
| * concurrently, protect with a mutex appropriately. |
| */ |
| int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid, |
| const hda_nid_t **listp) |
| { |
| bool added = false; |
| |
| for (;;) { |
| int err; |
| const struct hda_conn_list *p; |
| |
| /* if the connection-list is already cached, read it */ |
| p = lookup_conn_list(codec, nid); |
| if (p) { |
| if (listp) |
| *listp = p->conns; |
| return p->len; |
| } |
| if (snd_BUG_ON(added)) |
| return -EINVAL; |
| |
| err = read_and_add_raw_conns(codec, nid); |
| if (err < 0) |
| return err; |
| added = true; |
| } |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_get_conn_list); |
| |
| /** |
| * snd_hda_get_connections - copy connection list |
| * @codec: the HDA codec |
| * @nid: NID to parse |
| * @conn_list: connection list array; when NULL, checks only the size |
| * @max_conns: max. number of connections to store |
| * |
| * Parses the connection list of the given widget and stores the list |
| * of NIDs. |
| * |
| * Returns the number of connections, or a negative error code. |
| */ |
| int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, |
| hda_nid_t *conn_list, int max_conns) |
| { |
| const hda_nid_t *list; |
| int len = snd_hda_get_conn_list(codec, nid, &list); |
| |
| if (len > 0 && conn_list) { |
| if (len > max_conns) { |
| codec_err(codec, "Too many connections %d for NID 0x%x\n", |
| len, nid); |
| return -EINVAL; |
| } |
| memcpy(conn_list, list, len * sizeof(hda_nid_t)); |
| } |
| |
| return len; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_get_connections); |
| |
| /** |
| * snd_hda_override_conn_list - add/modify the connection-list to cache |
| * @codec: the HDA codec |
| * @nid: NID to parse |
| * @len: number of connection list entries |
| * @list: the list of connection entries |
| * |
| * Add or modify the given connection-list to the cache. If the corresponding |
| * cache already exists, invalidate it and append a new one. |
| * |
| * Returns zero or a negative error code. |
| */ |
| int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len, |
| const hda_nid_t *list) |
| { |
| struct hda_conn_list *p; |
| |
| p = lookup_conn_list(codec, nid); |
| if (p) { |
| list_del(&p->list); |
| kfree(p); |
| } |
| |
| return add_conn_list(codec, nid, len, list); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_override_conn_list); |
| |
| /** |
| * snd_hda_get_conn_index - get the connection index of the given NID |
| * @codec: the HDA codec |
| * @mux: NID containing the list |
| * @nid: NID to select |
| * @recursive: 1 when searching NID recursively, otherwise 0 |
| * |
| * Parses the connection list of the widget @mux and checks whether the |
| * widget @nid is present. If it is, return the connection index. |
| * Otherwise it returns -1. |
| */ |
| int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux, |
| hda_nid_t nid, int recursive) |
| { |
| const hda_nid_t *conn; |
| int i, nums; |
| |
| nums = snd_hda_get_conn_list(codec, mux, &conn); |
| for (i = 0; i < nums; i++) |
| if (conn[i] == nid) |
| return i; |
| if (!recursive) |
| return -1; |
| if (recursive > 10) { |
| codec_dbg(codec, "too deep connection for 0x%x\n", nid); |
| return -1; |
| } |
| recursive++; |
| for (i = 0; i < nums; i++) { |
| unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i])); |
| if (type == AC_WID_PIN || type == AC_WID_AUD_OUT) |
| continue; |
| if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0) |
| return i; |
| } |
| return -1; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_get_conn_index); |
| |
| /** |
| * snd_hda_get_num_devices - get DEVLIST_LEN parameter of the given widget |
| * @codec: the HDA codec |
| * @nid: NID of the pin to parse |
| * |
| * Get the device entry number on the given widget. This is a feature of |
| * DP MST audio. Each pin can have several device entries in it. |
| */ |
| unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid) |
| { |
| unsigned int wcaps = get_wcaps(codec, nid); |
| unsigned int parm; |
| |
| if (!codec->dp_mst || !(wcaps & AC_WCAP_DIGITAL) || |
| get_wcaps_type(wcaps) != AC_WID_PIN) |
| return 0; |
| |
| parm = snd_hdac_read_parm_uncached(&codec->core, nid, AC_PAR_DEVLIST_LEN); |
| if (parm == -1) |
| parm = 0; |
| return parm & AC_DEV_LIST_LEN_MASK; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_get_num_devices); |
| |
| /** |
| * snd_hda_get_devices - copy device list without cache |
| * @codec: the HDA codec |
| * @nid: NID of the pin to parse |
| * @dev_list: device list array |
| * @max_devices: max. number of devices to store |
| * |
| * Copy the device list. This info is dynamic and so not cached. |
| * Currently called only from hda_proc.c, so not exported. |
| */ |
| int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid, |
| u8 *dev_list, int max_devices) |
| { |
| unsigned int parm; |
| int i, dev_len, devices; |
| |
| parm = snd_hda_get_num_devices(codec, nid); |
| if (!parm) /* not multi-stream capable */ |
| return 0; |
| |
| dev_len = parm + 1; |
| dev_len = dev_len < max_devices ? dev_len : max_devices; |
| |
| devices = 0; |
| while (devices < dev_len) { |
| if (snd_hdac_read(&codec->core, nid, |
| AC_VERB_GET_DEVICE_LIST, devices, &parm)) |
| break; /* error */ |
| |
| for (i = 0; i < 8; i++) { |
| dev_list[devices] = (u8)parm; |
| parm >>= 4; |
| devices++; |
| if (devices >= dev_len) |
| break; |
| } |
| } |
| return devices; |
| } |
| |
| /** |
| * snd_hda_get_dev_select - get device entry select on the pin |
| * @codec: the HDA codec |
| * @nid: NID of the pin to get device entry select |
| * |
| * Get the devcie entry select on the pin. Return the device entry |
| * id selected on the pin. Return 0 means the first device entry |
| * is selected or MST is not supported. |
| */ |
| int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid) |
| { |
| /* not support dp_mst will always return 0, using first dev_entry */ |
| if (!codec->dp_mst) |
| return 0; |
| |
| return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DEVICE_SEL, 0); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_get_dev_select); |
| |
| /** |
| * snd_hda_set_dev_select - set device entry select on the pin |
| * @codec: the HDA codec |
| * @nid: NID of the pin to set device entry select |
| * @dev_id: device entry id to be set |
| * |
| * Set the device entry select on the pin nid. |
| */ |
| int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id) |
| { |
| int ret, num_devices; |
| |
| /* not support dp_mst will always return 0, using first dev_entry */ |
| if (!codec->dp_mst) |
| return 0; |
| |
| /* AC_PAR_DEVLIST_LEN is 0 based. */ |
| num_devices = snd_hda_get_num_devices(codec, nid) + 1; |
| /* If Device List Length is 0 (num_device = 1), |
| * the pin is not multi stream capable. |
| * Do nothing in this case. |
| */ |
| if (num_devices == 1) |
| return 0; |
| |
| /* Behavior of setting index being equal to or greater than |
| * Device List Length is not predictable |
| */ |
| if (num_devices <= dev_id) |
| return -EINVAL; |
| |
| ret = snd_hda_codec_write(codec, nid, 0, |
| AC_VERB_SET_DEVICE_SEL, dev_id); |
| |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_set_dev_select); |
| |
| /* |
| * read widget caps for each widget and store in cache |
| */ |
| static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node) |
| { |
| int i; |
| hda_nid_t nid; |
| |
| codec->wcaps = kmalloc_array(codec->core.num_nodes, 4, GFP_KERNEL); |
| if (!codec->wcaps) |
| return -ENOMEM; |
| nid = codec->core.start_nid; |
| for (i = 0; i < codec->core.num_nodes; i++, nid++) |
| codec->wcaps[i] = snd_hdac_read_parm_uncached(&codec->core, |
| nid, AC_PAR_AUDIO_WIDGET_CAP); |
| return 0; |
| } |
| |
| /* read all pin default configurations and save codec->init_pins */ |
| static int read_pin_defaults(struct hda_codec *codec) |
| { |
| hda_nid_t nid; |
| |
| for_each_hda_codec_node(nid, codec) { |
| struct hda_pincfg *pin; |
| unsigned int wcaps = get_wcaps(codec, nid); |
| unsigned int wid_type = get_wcaps_type(wcaps); |
| if (wid_type != AC_WID_PIN) |
| continue; |
| pin = snd_array_new(&codec->init_pins); |
| if (!pin) |
| return -ENOMEM; |
| pin->nid = nid; |
| pin->cfg = snd_hda_codec_read(codec, nid, 0, |
| AC_VERB_GET_CONFIG_DEFAULT, 0); |
| /* |
| * all device entries are the same widget control so far |
| * fixme: if any codec is different, need fix here |
| */ |
| pin->ctrl = snd_hda_codec_read(codec, nid, 0, |
| AC_VERB_GET_PIN_WIDGET_CONTROL, |
| 0); |
| } |
| return 0; |
| } |
| |
| /* look up the given pin config list and return the item matching with NID */ |
| static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec, |
| struct snd_array *array, |
| hda_nid_t nid) |
| { |
| struct hda_pincfg *pin; |
| int i; |
| |
| snd_array_for_each(array, i, pin) { |
| if (pin->nid == nid) |
| return pin; |
| } |
| return NULL; |
| } |
| |
| /* set the current pin config value for the given NID. |
| * the value is cached, and read via snd_hda_codec_get_pincfg() |
| */ |
| int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list, |
| hda_nid_t nid, unsigned int cfg) |
| { |
| struct hda_pincfg *pin; |
| |
| /* the check below may be invalid when pins are added by a fixup |
| * dynamically (e.g. via snd_hda_codec_update_widgets()), so disabled |
| * for now |
| */ |
| /* |
| if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN) |
| return -EINVAL; |
| */ |
| |
| pin = look_up_pincfg(codec, list, nid); |
| if (!pin) { |
| pin = snd_array_new(list); |
| if (!pin) |
| return -ENOMEM; |
| pin->nid = nid; |
| } |
| pin->cfg = cfg; |
| return 0; |
| } |
| |
| /** |
| * snd_hda_codec_set_pincfg - Override a pin default configuration |
| * @codec: the HDA codec |
| * @nid: NID to set the pin config |
| * @cfg: the pin default config value |
| * |
| * Override a pin default configuration value in the cache. |
| * This value can be read by snd_hda_codec_get_pincfg() in a higher |
| * priority than the real hardware value. |
| */ |
| int snd_hda_codec_set_pincfg(struct hda_codec *codec, |
| hda_nid_t nid, unsigned int cfg) |
| { |
| return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg); |
| |
| /** |
| * snd_hda_codec_get_pincfg - Obtain a pin-default configuration |
| * @codec: the HDA codec |
| * @nid: NID to get the pin config |
| * |
| * Get the current pin config value of the given pin NID. |
| * If the pincfg value is cached or overridden via sysfs or driver, |
| * returns the cached value. |
| */ |
| unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid) |
| { |
| struct hda_pincfg *pin; |
| |
| #ifdef CONFIG_SND_HDA_RECONFIG |
| { |
| unsigned int cfg = 0; |
| mutex_lock(&codec->user_mutex); |
| pin = look_up_pincfg(codec, &codec->user_pins, nid); |
| if (pin) |
| cfg = pin->cfg; |
| mutex_unlock(&codec->user_mutex); |
| if (cfg) |
| return cfg; |
| } |
| #endif |
| pin = look_up_pincfg(codec, &codec->driver_pins, nid); |
| if (pin) |
| return pin->cfg; |
| pin = look_up_pincfg(codec, &codec->init_pins, nid); |
| if (pin) |
| return pin->cfg; |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg); |
| |
| /** |
| * snd_hda_codec_set_pin_target - remember the current pinctl target value |
| * @codec: the HDA codec |
| * @nid: pin NID |
| * @val: assigned pinctl value |
| * |
| * This function stores the given value to a pinctl target value in the |
| * pincfg table. This isn't always as same as the actually written value |
| * but can be referred at any time via snd_hda_codec_get_pin_target(). |
| */ |
| int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid, |
| unsigned int val) |
| { |
| struct hda_pincfg *pin; |
| |
| pin = look_up_pincfg(codec, &codec->init_pins, nid); |
| if (!pin) |
| return -EINVAL; |
| pin->target = val; |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target); |
| |
| /** |
| * snd_hda_codec_get_pin_target - return the current pinctl target value |
| * @codec: the HDA codec |
| * @nid: pin NID |
| */ |
| int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid) |
| { |
| struct hda_pincfg *pin; |
| |
| pin = look_up_pincfg(codec, &codec->init_pins, nid); |
| if (!pin) |
| return 0; |
| return pin->target; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target); |
| |
| /** |
| * snd_hda_shutup_pins - Shut up all pins |
| * @codec: the HDA codec |
| * |
| * Clear all pin controls to shup up before suspend for avoiding click noise. |
| * The controls aren't cached so that they can be resumed properly. |
| */ |
| void snd_hda_shutup_pins(struct hda_codec *codec) |
| { |
| const struct hda_pincfg *pin; |
| int i; |
| |
| /* don't shut up pins when unloading the driver; otherwise it breaks |
| * the default pin setup at the next load of the driver |
| */ |
| if (codec->bus->shutdown) |
| return; |
| snd_array_for_each(&codec->init_pins, i, pin) { |
| /* use read here for syncing after issuing each verb */ |
| snd_hda_codec_read(codec, pin->nid, 0, |
| AC_VERB_SET_PIN_WIDGET_CONTROL, 0); |
| } |
| codec->pins_shutup = 1; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_shutup_pins); |
| |
| #ifdef CONFIG_PM |
| /* Restore the pin controls cleared previously via snd_hda_shutup_pins() */ |
| static void restore_shutup_pins(struct hda_codec *codec) |
| { |
| const struct hda_pincfg *pin; |
| int i; |
| |
| if (!codec->pins_shutup) |
| return; |
| if (codec->bus->shutdown) |
| return; |
| snd_array_for_each(&codec->init_pins, i, pin) { |
| snd_hda_codec_write(codec, pin->nid, 0, |
| AC_VERB_SET_PIN_WIDGET_CONTROL, |
| pin->ctrl); |
| } |
| codec->pins_shutup = 0; |
| } |
| #endif |
| |
| static void hda_jackpoll_work(struct work_struct *work) |
| { |
| struct hda_codec *codec = |
| container_of(work, struct hda_codec, jackpoll_work.work); |
| |
| snd_hda_jack_set_dirty_all(codec); |
| snd_hda_jack_poll_all(codec); |
| |
| if (!codec->jackpoll_interval) |
| return; |
| |
| schedule_delayed_work(&codec->jackpoll_work, |
| codec->jackpoll_interval); |
| } |
| |
| /* release all pincfg lists */ |
| static void free_init_pincfgs(struct hda_codec *codec) |
| { |
| snd_array_free(&codec->driver_pins); |
| #ifdef CONFIG_SND_HDA_RECONFIG |
| snd_array_free(&codec->user_pins); |
| #endif |
| snd_array_free(&codec->init_pins); |
| } |
| |
| /* |
| * audio-converter setup caches |
| */ |
| struct hda_cvt_setup { |
| hda_nid_t nid; |
| u8 stream_tag; |
| u8 channel_id; |
| u16 format_id; |
| unsigned char active; /* cvt is currently used */ |
| unsigned char dirty; /* setups should be cleared */ |
| }; |
| |
| /* get or create a cache entry for the given audio converter NID */ |
| static struct hda_cvt_setup * |
| get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid) |
| { |
| struct hda_cvt_setup *p; |
| int i; |
| |
| snd_array_for_each(&codec->cvt_setups, i, p) { |
| if (p->nid == nid) |
| return p; |
| } |
| p = snd_array_new(&codec->cvt_setups); |
| if (p) |
| p->nid = nid; |
| return p; |
| } |
| |
| /* |
| * PCM device |
| */ |
| static void release_pcm(struct kref *kref) |
| { |
| struct hda_pcm *pcm = container_of(kref, struct hda_pcm, kref); |
| |
| if (pcm->pcm) |
| snd_device_free(pcm->codec->card, pcm->pcm); |
| clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits); |
| kfree(pcm->name); |
| kfree(pcm); |
| } |
| |
| void snd_hda_codec_pcm_put(struct hda_pcm *pcm) |
| { |
| kref_put(&pcm->kref, release_pcm); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put); |
| |
| struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec, |
| const char *fmt, ...) |
| { |
| struct hda_pcm *pcm; |
| va_list args; |
| |
| pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); |
| if (!pcm) |
| return NULL; |
| |
| pcm->codec = codec; |
| kref_init(&pcm->kref); |
| va_start(args, fmt); |
| pcm->name = kvasprintf(GFP_KERNEL, fmt, args); |
| va_end(args); |
| if (!pcm->name) { |
| kfree(pcm); |
| return NULL; |
| } |
| |
| list_add_tail(&pcm->list, &codec->pcm_list_head); |
| return pcm; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new); |
| |
| /* |
| * codec destructor |
| */ |
| static void codec_release_pcms(struct hda_codec *codec) |
| { |
| struct hda_pcm *pcm, *n; |
| |
| list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) { |
| list_del_init(&pcm->list); |
| if (pcm->pcm) |
| snd_device_disconnect(codec->card, pcm->pcm); |
| snd_hda_codec_pcm_put(pcm); |
| } |
| } |
| |
| void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec) |
| { |
| if (codec->registered) { |
| /* pm_runtime_put() is called in snd_hdac_device_exit() */ |
| pm_runtime_get_noresume(hda_codec_dev(codec)); |
| pm_runtime_disable(hda_codec_dev(codec)); |
| codec->registered = 0; |
| } |
| |
| cancel_delayed_work_sync(&codec->jackpoll_work); |
| if (!codec->in_freeing) |
| snd_hda_ctls_clear(codec); |
| codec_release_pcms(codec); |
| snd_hda_detach_beep_device(codec); |
| memset(&codec->patch_ops, 0, sizeof(codec->patch_ops)); |
| snd_hda_jack_tbl_clear(codec); |
| codec->proc_widget_hook = NULL; |
| codec->spec = NULL; |
| |
| /* free only driver_pins so that init_pins + user_pins are restored */ |
| snd_array_free(&codec->driver_pins); |
| snd_array_free(&codec->cvt_setups); |
| snd_array_free(&codec->spdif_out); |
| snd_array_free(&codec->verbs); |
| codec->preset = NULL; |
| codec->slave_dig_outs = NULL; |
| codec->spdif_status_reset = 0; |
| snd_array_free(&codec->mixers); |
| snd_array_free(&codec->nids); |
| remove_conn_list(codec); |
| snd_hdac_regmap_exit(&codec->core); |
| } |
| |
| static unsigned int hda_set_power_state(struct hda_codec *codec, |
| unsigned int power_state); |
| |
| /* enable/disable display power per codec */ |
| static void codec_display_power(struct hda_codec *codec, bool enable) |
| { |
| if (codec->display_power_control) |
| snd_hdac_display_power(&codec->bus->core, codec->addr, enable); |
| } |
| |
| /* also called from hda_bind.c */ |
| void snd_hda_codec_register(struct hda_codec *codec) |
| { |
| if (codec->registered) |
| return; |
| if (device_is_registered(hda_codec_dev(codec))) { |
| codec_display_power(codec, true); |
| pm_runtime_enable(hda_codec_dev(codec)); |
| /* it was powered up in snd_hda_codec_new(), now all done */ |
| snd_hda_power_down(codec); |
| codec->registered = 1; |
| } |
| } |
| |
| static int snd_hda_codec_dev_register(struct snd_device *device) |
| { |
| snd_hda_codec_register(device->device_data); |
| return 0; |
| } |
| |
| static int snd_hda_codec_dev_free(struct snd_device *device) |
| { |
| struct hda_codec *codec = device->device_data; |
| |
| codec->in_freeing = 1; |
| /* |
| * snd_hda_codec_device_new() is used by legacy HDA and ASoC driver. |
| * We can't unregister ASoC device since it will be unregistered in |
| * snd_hdac_ext_bus_device_remove(). |
| */ |
| if (codec->core.type == HDA_DEV_LEGACY) |
| snd_hdac_device_unregister(&codec->core); |
| codec_display_power(codec, false); |
| |
| /* |
| * In the case of ASoC HD-audio bus, the device refcount is released in |
| * snd_hdac_ext_bus_device_remove() explicitly. |
| */ |
| if (codec->core.type == HDA_DEV_LEGACY) |
| put_device(hda_codec_dev(codec)); |
| |
| return 0; |
| } |
| |
| static void snd_hda_codec_dev_release(struct device *dev) |
| { |
| struct hda_codec *codec = dev_to_hda_codec(dev); |
| |
| free_init_pincfgs(codec); |
| snd_hdac_device_exit(&codec->core); |
| snd_hda_sysfs_clear(codec); |
| kfree(codec->modelname); |
| kfree(codec->wcaps); |
| |
| /* |
| * In the case of ASoC HD-audio, hda_codec is device managed. |
| * It will be freed when the ASoC device is removed. |
| */ |
| if (codec->core.type == HDA_DEV_LEGACY) |
| kfree(codec); |
| } |
| |
| #define DEV_NAME_LEN 31 |
| |
| static int snd_hda_codec_device_init(struct hda_bus *bus, struct snd_card *card, |
| unsigned int codec_addr, struct hda_codec **codecp) |
| { |
| char name[DEV_NAME_LEN]; |
| struct hda_codec *codec; |
| int err; |
| |
| dev_dbg(card->dev, "%s: entry\n", __func__); |
| |
| if (snd_BUG_ON(!bus)) |
| return -EINVAL; |
| if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS)) |
| return -EINVAL; |
| |
| codec = kzalloc(sizeof(*codec), GFP_KERNEL); |
| if (!codec) |
| return -ENOMEM; |
| |
| sprintf(name, "hdaudioC%dD%d", card->number, codec_addr); |
| err = snd_hdac_device_init(&codec->core, &bus->core, name, codec_addr); |
| if (err < 0) { |
| kfree(codec); |
| return err; |
| } |
| |
| codec->core.type = HDA_DEV_LEGACY; |
| *codecp = codec; |
| |
| return err; |
| } |
| |
| /** |
| * snd_hda_codec_new - create a HDA codec |
| * @bus: the bus to assign |
| * @card: card for this codec |
| * @codec_addr: the codec address |
| * @codecp: the pointer to store the generated codec |
| * |
| * Returns 0 if successful, or a negative error code. |
| */ |
| int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card, |
| unsigned int codec_addr, struct hda_codec **codecp) |
| { |
| int ret; |
| |
| ret = snd_hda_codec_device_init(bus, card, codec_addr, codecp); |
| if (ret < 0) |
| return ret; |
| |
| return snd_hda_codec_device_new(bus, card, codec_addr, *codecp); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_new); |
| |
| int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card, |
| unsigned int codec_addr, struct hda_codec *codec) |
| { |
| char component[31]; |
| hda_nid_t fg; |
| int err; |
| static const struct snd_device_ops dev_ops = { |
| .dev_register = snd_hda_codec_dev_register, |
| .dev_free = snd_hda_codec_dev_free, |
| }; |
| |
| dev_dbg(card->dev, "%s: entry\n", __func__); |
| |
| if (snd_BUG_ON(!bus)) |
| return -EINVAL; |
| if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS)) |
| return -EINVAL; |
| |
| codec->core.dev.release = snd_hda_codec_dev_release; |
| codec->core.exec_verb = codec_exec_verb; |
| |
| codec->bus = bus; |
| codec->card = card; |
| codec->addr = codec_addr; |
| mutex_init(&codec->spdif_mutex); |
| mutex_init(&codec->control_mutex); |
| snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32); |
| snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32); |
| snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16); |
| snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16); |
| snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8); |
| snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16); |
| snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16); |
| snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8); |
| INIT_LIST_HEAD(&codec->conn_list); |
| INIT_LIST_HEAD(&codec->pcm_list_head); |
| |
| INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work); |
| codec->depop_delay = -1; |
| codec->fixup_id = HDA_FIXUP_ID_NOT_SET; |
| |
| #ifdef CONFIG_PM |
| codec->power_jiffies = jiffies; |
| #endif |
| |
| snd_hda_sysfs_init(codec); |
| |
| if (codec->bus->modelname) { |
| codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL); |
| if (!codec->modelname) { |
| err = -ENOMEM; |
| goto error; |
| } |
| } |
| |
| fg = codec->core.afg ? codec->core.afg : codec->core.mfg; |
| err = read_widget_caps(codec, fg); |
| if (err < 0) |
| goto error; |
| err = read_pin_defaults(codec); |
| if (err < 0) |
| goto error; |
| |
| /* power-up all before initialization */ |
| hda_set_power_state(codec, AC_PWRST_D0); |
| codec->core.dev.power.power_state = PMSG_ON; |
| |
| snd_hda_codec_proc_new(codec); |
| |
| snd_hda_create_hwdep(codec); |
| |
| sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id, |
| codec->core.subsystem_id, codec->core.revision_id); |
| snd_component_add(card, component); |
| |
| err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops); |
| if (err < 0) |
| goto error; |
| |
| return 0; |
| |
| error: |
| put_device(hda_codec_dev(codec)); |
| return err; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_device_new); |
| |
| /** |
| * snd_hda_codec_update_widgets - Refresh widget caps and pin defaults |
| * @codec: the HDA codec |
| * |
| * Forcibly refresh the all widget caps and the init pin configurations of |
| * the given codec. |
| */ |
| int snd_hda_codec_update_widgets(struct hda_codec *codec) |
| { |
| hda_nid_t fg; |
| int err; |
| |
| err = snd_hdac_refresh_widgets(&codec->core); |
| if (err < 0) |
| return err; |
| |
| /* Assume the function group node does not change, |
| * only the widget nodes may change. |
| */ |
| kfree(codec->wcaps); |
| fg = codec->core.afg ? codec->core.afg : codec->core.mfg; |
| err = read_widget_caps(codec, fg); |
| if (err < 0) |
| return err; |
| |
| snd_array_free(&codec->init_pins); |
| err = read_pin_defaults(codec); |
| |
| return err; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets); |
| |
| /* update the stream-id if changed */ |
| static void update_pcm_stream_id(struct hda_codec *codec, |
| struct hda_cvt_setup *p, hda_nid_t nid, |
| u32 stream_tag, int channel_id) |
| { |
| unsigned int oldval, newval; |
| |
| if (p->stream_tag != stream_tag || p->channel_id != channel_id) { |
| oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0); |
| newval = (stream_tag << 4) | channel_id; |
| if (oldval != newval) |
| snd_hda_codec_write(codec, nid, 0, |
| AC_VERB_SET_CHANNEL_STREAMID, |
| newval); |
| p->stream_tag = stream_tag; |
| p->channel_id = channel_id; |
| } |
| } |
| |
| /* update the format-id if changed */ |
| static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p, |
| hda_nid_t nid, int format) |
| { |
| unsigned int oldval; |
| |
| if (p->format_id != format) { |
| oldval = snd_hda_codec_read(codec, nid, 0, |
| AC_VERB_GET_STREAM_FORMAT, 0); |
| if (oldval != format) { |
| msleep(1); |
| snd_hda_codec_write(codec, nid, 0, |
| AC_VERB_SET_STREAM_FORMAT, |
| format); |
| } |
| p->format_id = format; |
| } |
| } |
| |
| /** |
| * snd_hda_codec_setup_stream - set up the codec for streaming |
| * @codec: the CODEC to set up |
| * @nid: the NID to set up |
| * @stream_tag: stream tag to pass, it's between 0x1 and 0xf. |
| * @channel_id: channel id to pass, zero based. |
| * @format: stream format. |
| */ |
| void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, |
| u32 stream_tag, |
| int channel_id, int format) |
| { |
| struct hda_codec *c; |
| struct hda_cvt_setup *p; |
| int type; |
| int i; |
| |
| if (!nid) |
| return; |
| |
| codec_dbg(codec, |
| "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n", |
| nid, stream_tag, channel_id, format); |
| p = get_hda_cvt_setup(codec, nid); |
| if (!p) |
| return; |
| |
| if (codec->patch_ops.stream_pm) |
| codec->patch_ops.stream_pm(codec, nid, true); |
| if (codec->pcm_format_first) |
| update_pcm_format(codec, p, nid, format); |
| update_pcm_stream_id(codec, p, nid, stream_tag, channel_id); |
| if (!codec->pcm_format_first) |
| update_pcm_format(codec, p, nid, format); |
| |
| p->active = 1; |
| p->dirty = 0; |
| |
| /* make other inactive cvts with the same stream-tag dirty */ |
| type = get_wcaps_type(get_wcaps(codec, nid)); |
| list_for_each_codec(c, codec->bus) { |
| snd_array_for_each(&c->cvt_setups, i, p) { |
| if (!p->active && p->stream_tag == stream_tag && |
| get_wcaps_type(get_wcaps(c, p->nid)) == type) |
| p->dirty = 1; |
| } |
| } |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream); |
| |
| static void really_cleanup_stream(struct hda_codec *codec, |
| struct hda_cvt_setup *q); |
| |
| /** |
| * __snd_hda_codec_cleanup_stream - clean up the codec for closing |
| * @codec: the CODEC to clean up |
| * @nid: the NID to clean up |
| * @do_now: really clean up the stream instead of clearing the active flag |
| */ |
| void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid, |
| int do_now) |
| { |
| struct hda_cvt_setup *p; |
| |
| if (!nid) |
| return; |
| |
| if (codec->no_sticky_stream) |
| do_now = 1; |
| |
| codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid); |
| p = get_hda_cvt_setup(codec, nid); |
| if (p) { |
| /* here we just clear the active flag when do_now isn't set; |
| * actual clean-ups will be done later in |
| * purify_inactive_streams() called from snd_hda_codec_prpapre() |
| */ |
| if (do_now) |
| really_cleanup_stream(codec, p); |
| else |
| p->active = 0; |
| } |
| } |
| EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream); |
| |
| static void really_cleanup_stream(struct hda_codec *codec, |
| struct hda_cvt_setup *q) |
| { |
| hda_nid_t nid = q->nid; |
| if (q->stream_tag || q->channel_id) |
| snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0); |
| if (q->format_id) |
| snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0 |
| ); |
| memset(q, 0, sizeof(*q)); |
| q->nid = nid; |
| if (codec->patch_ops.stream_pm) |
| codec->patch_ops.stream_pm(codec, nid, false); |
| } |
| |
| /* clean up the all conflicting obsolete streams */ |
| static void purify_inactive_streams(struct hda_codec *codec) |
| { |
| struct hda_codec *c; |
| struct hda_cvt_setup *p; |
| int i; |
| |
| list_for_each_codec(c, codec->bus) { |
| snd_array_for_each(&c->cvt_setups, i, p) { |
| if (p->dirty) |
| really_cleanup_stream(c, p); |
| } |
| } |
| } |
| |
| #ifdef CONFIG_PM |
| /* clean up all streams; called from suspend */ |
| static void hda_cleanup_all_streams(struct hda_codec *codec) |
| { |
| struct hda_cvt_setup *p; |
| int i; |
| |
| snd_array_for_each(&codec->cvt_setups, i, p) { |
| if (p->stream_tag) |
| really_cleanup_stream(codec, p); |
| } |
| } |
| #endif |
| |
| /* |
| * amp access functions |
| */ |
| |
| /** |
| * query_amp_caps - query AMP capabilities |
| * @codec: the HD-auio codec |
| * @nid: the NID to query |
| * @direction: either #HDA_INPUT or #HDA_OUTPUT |
| * |
| * Query AMP capabilities for the given widget and direction. |
| * Returns the obtained capability bits. |
| * |
| * When cap bits have been already read, this doesn't read again but |
| * returns the cached value. |
| */ |
| u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction) |
| { |
| if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD)) |
| nid = codec->core.afg; |
| return snd_hda_param_read(codec, nid, |
| direction == HDA_OUTPUT ? |
| AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP); |
| } |
| EXPORT_SYMBOL_GPL(query_amp_caps); |
| |
| /** |
| * snd_hda_check_amp_caps - query AMP capabilities |
| * @codec: the HD-audio codec |
| * @nid: the NID to query |
| * @dir: either #HDA_INPUT or #HDA_OUTPUT |
| * @bits: bit mask to check the result |
| * |
| * Check whether the widget has the given amp capability for the direction. |
| */ |
| bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid, |
| int dir, unsigned int bits) |
| { |
| if (!nid) |
| return false; |
| if (get_wcaps(codec, nid) & (1 << (dir + 1))) |
| if (query_amp_caps(codec, nid, dir) & bits) |
| return true; |
| return false; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps); |
| |
| /** |
| * snd_hda_override_amp_caps - Override the AMP capabilities |
| * @codec: the CODEC to clean up |
| * @nid: the NID to clean up |
| * @dir: either #HDA_INPUT or #HDA_OUTPUT |
| * @caps: the capability bits to set |
| * |
| * Override the cached AMP caps bits value by the given one. |
| * This function is useful if the driver needs to adjust the AMP ranges, |
| * e.g. limit to 0dB, etc. |
| * |
| * Returns zero if successful or a negative error code. |
| */ |
| int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir, |
| unsigned int caps) |
| { |
| unsigned int parm; |
| |
| snd_hda_override_wcaps(codec, nid, |
| get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD); |
| parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP; |
| return snd_hdac_override_parm(&codec->core, nid, parm, caps); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps); |
| |
| static unsigned int encode_amp(struct hda_codec *codec, hda_nid_t nid, |
| int ch, int dir, int idx) |
| { |
| unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx); |
| |
| /* enable fake mute if no h/w mute but min=mute */ |
| if ((query_amp_caps(codec, nid, dir) & |
| (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE) |
| cmd |= AC_AMP_FAKE_MUTE; |
| return cmd; |
| } |
| |
| /** |
| * snd_hda_codec_amp_update - update the AMP mono value |
| * @codec: HD-audio codec |
| * @nid: NID to read the AMP value |
| * @ch: channel to update (0 or 1) |
| * @dir: #HDA_INPUT or #HDA_OUTPUT |
| * @idx: the index value (only for input direction) |
| * @mask: bit mask to set |
| * @val: the bits value to set |
| * |
| * Update the AMP values for the given channel, direction and index. |
| */ |
| int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, |
| int ch, int dir, int idx, int mask, int val) |
| { |
| unsigned int cmd = encode_amp(codec, nid, ch, dir, idx); |
| |
| return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update); |
| |
| /** |
| * snd_hda_codec_amp_stereo - update the AMP stereo values |
| * @codec: HD-audio codec |
| * @nid: NID to read the AMP value |
| * @direction: #HDA_INPUT or #HDA_OUTPUT |
| * @idx: the index value (only for input direction) |
| * @mask: bit mask to set |
| * @val: the bits value to set |
| * |
| * Update the AMP values like snd_hda_codec_amp_update(), but for a |
| * stereo widget with the same mask and value. |
| */ |
| int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid, |
| int direction, int idx, int mask, int val) |
| { |
| int ch, ret = 0; |
| |
| if (snd_BUG_ON(mask & ~0xff)) |
| mask &= 0xff; |
| for (ch = 0; ch < 2; ch++) |
| ret |= snd_hda_codec_amp_update(codec, nid, ch, direction, |
| idx, mask, val); |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo); |
| |
| /** |
| * snd_hda_codec_amp_init - initialize the AMP value |
| * @codec: the HDA codec |
| * @nid: NID to read the AMP value |
| * @ch: channel (left=0 or right=1) |
| * @dir: #HDA_INPUT or #HDA_OUTPUT |
| * @idx: the index value (only for input direction) |
| * @mask: bit mask to set |
| * @val: the bits value to set |
| * |
| * Works like snd_hda_codec_amp_update() but it writes the value only at |
| * the first access. If the amp was already initialized / updated beforehand, |
| * this does nothing. |
| */ |
| int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch, |
| int dir, int idx, int mask, int val) |
| { |
| unsigned int cmd = encode_amp(codec, nid, ch, dir, idx); |
| |
| if (!codec->core.regmap) |
| return -EINVAL; |
| return snd_hdac_regmap_update_raw_once(&codec->core, cmd, mask, val); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init); |
| |
| /** |
| * snd_hda_codec_amp_init_stereo - initialize the stereo AMP value |
| * @codec: the HDA codec |
| * @nid: NID to read the AMP value |
| * @dir: #HDA_INPUT or #HDA_OUTPUT |
| * @idx: the index value (only for input direction) |
| * @mask: bit mask to set |
| * @val: the bits value to set |
| * |
| * Call snd_hda_codec_amp_init() for both stereo channels. |
| */ |
| int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid, |
| int dir, int idx, int mask, int val) |
| { |
| int ch, ret = 0; |
| |
| if (snd_BUG_ON(mask & ~0xff)) |
| mask &= 0xff; |
| for (ch = 0; ch < 2; ch++) |
| ret |= snd_hda_codec_amp_init(codec, nid, ch, dir, |
| idx, mask, val); |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo); |
| |
| static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir, |
| unsigned int ofs) |
| { |
| u32 caps = query_amp_caps(codec, nid, dir); |
| /* get num steps */ |
| caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; |
| if (ofs < caps) |
| caps -= ofs; |
| return caps; |
| } |
| |
| /** |
| * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer |
| * @kcontrol: referred ctl element |
| * @uinfo: pointer to get/store the data |
| * |
| * The control element is supposed to have the private_value field |
| * set up via HDA_COMPOSE_AMP_VAL*() or related macros. |
| */ |
| int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo) |
| { |
| struct hda_codec *codec = snd_kcontrol_chip(kcontrol); |
| u16 nid = get_amp_nid(kcontrol); |
| u8 chs = get_amp_channels(kcontrol); |
| int dir = get_amp_direction(kcontrol); |
| unsigned int ofs = get_amp_offset(kcontrol); |
| |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| uinfo->count = chs == 3 ? 2 : 1; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs); |
| if (!uinfo->value.integer.max) { |
| codec_warn(codec, |
| "num_steps = 0 for NID=0x%x (ctl = %s)\n", |
| nid, kcontrol->id.name); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info); |
| |
| |
| static inline unsigned int |
| read_amp_value(struct hda_codec *codec, hda_nid_t nid, |
| int ch, int dir, int idx, unsigned int ofs) |
| { |
| unsigned int val; |
| val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx); |
| val &= HDA_AMP_VOLMASK; |
| if (val >= ofs) |
| val -= ofs; |
| else |
| val = 0; |
| return val; |
| } |
| |
| static inline int |
| update_amp_value(struct hda_codec *codec, hda_nid_t nid, |
| int ch, int dir, int idx, unsigned int ofs, |
| unsigned int val) |
| { |
| unsigned int maxval; |
| |
| if (val > 0) |
| val += ofs; |
| /* ofs = 0: raw max value */ |
| maxval = get_amp_max_value(codec, nid, dir, 0); |
| if (val > maxval) |
| val = maxval; |
| return snd_hda_codec_amp_update(codec, nid, ch, dir, idx, |
| HDA_AMP_VOLMASK, val); |
| } |
| |
| /** |
| * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume |
| * @kcontrol: ctl element |
| * @ucontrol: pointer to get/store the data |
| * |
| * The control element is supposed to have the private_value field |
| * set up via HDA_COMPOSE_AMP_VAL*() or related macros. |
| */ |
| int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct hda_codec *codec = snd_kcontrol_chip(kcontrol); |
| hda_nid_t nid = get_amp_nid(kcontrol); |
| int chs = get_amp_channels(kcontrol); |
| int dir = get_amp_direction(kcontrol); |
| int idx = get_amp_index(kcontrol); |
| unsigned int ofs = get_amp_offset(kcontrol); |
| long *valp = ucontrol->value.integer.value; |
| |
| if (chs & 1) |
| *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs); |
| if (chs & 2) |
| *valp = read_amp_value(codec, nid, 1, dir, idx, ofs); |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get); |
| |
| /** |
| * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume |
| * @kcontrol: ctl element |
| * @ucontrol: pointer to get/store the data |
| * |
| * The control element is supposed to have the private_value field |
| * set up via HDA_COMPOSE_AMP_VAL*() or related macros. |
| */ |
| int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct hda_codec *codec = snd_kcontrol_chip(kcontrol); |
| hda_nid_t nid = get_amp_nid(kcontrol); |
| int chs = get_amp_channels(kcontrol); |
| int dir = get_amp_direction(kcontrol); |
| int idx = get_amp_index(kcontrol); |
| unsigned int ofs = get_amp_offset(kcontrol); |
| long *valp = ucontrol->value.integer.value; |
| int change = 0; |
| |
| if (chs & 1) { |
| change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp); |
| valp++; |
| } |
| if (chs & 2) |
| change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp); |
| return change; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put); |
| |
| /* inquiry the amp caps and convert to TLV */ |
| static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv) |
| { |
| struct hda_codec *codec = snd_kcontrol_chip(kcontrol); |
| hda_nid_t nid = get_amp_nid(kcontrol); |
| int dir = get_amp_direction(kcontrol); |
| unsigned int ofs = get_amp_offset(kcontrol); |
| bool min_mute = get_amp_min_mute(kcontrol); |
| u32 caps, val1, val2; |
| |
| caps = query_amp_caps(codec, nid, dir); |
| val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT; |
| val2 = (val2 + 1) * 25; |
| val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT); |
| val1 += ofs; |
| val1 = ((int)val1) * ((int)val2); |
| if (min_mute || (caps & AC_AMPCAP_MIN_MUTE)) |
| val2 |= TLV_DB_SCALE_MUTE; |
| tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE; |
| tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int); |
| tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1; |
| tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2; |
| } |
| |
| /** |
| * snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume |
| * @kcontrol: ctl element |
| * @op_flag: operation flag |
| * @size: byte size of input TLV |
| * @_tlv: TLV data |
| * |
| * The control element is supposed to have the private_value field |
| * set up via HDA_COMPOSE_AMP_VAL*() or related macros. |
| */ |
| int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, |
| unsigned int size, unsigned int __user *_tlv) |
| { |
| unsigned int tlv[4]; |
| |
| if (size < 4 * sizeof(unsigned int)) |
| return -ENOMEM; |
| get_ctl_amp_tlv(kcontrol, tlv); |
| if (copy_to_user(_tlv, tlv, sizeof(tlv))) |
| return -EFAULT; |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv); |
| |
| /** |
| * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control |
| * @codec: HD-audio codec |
| * @nid: NID of a reference widget |
| * @dir: #HDA_INPUT or #HDA_OUTPUT |
| * @tlv: TLV data to be stored, at least 4 elements |
| * |
| * Set (static) TLV data for a virtual master volume using the AMP caps |
| * obtained from the reference NID. |
| * The volume range is recalculated as if the max volume is 0dB. |
| */ |
| void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir, |
| unsigned int *tlv) |
| { |
| u32 caps; |
| int nums, step; |
| |
| caps = query_amp_caps(codec, nid, dir); |
| nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; |
| step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT; |
| step = (step + 1) * 25; |
| tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE; |
| tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int); |
| tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step; |
| tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv); |
| |
| /* find a mixer control element with the given name */ |
| static struct snd_kcontrol * |
| find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx) |
| { |
| struct snd_ctl_elem_id id; |
| memset(&id, 0, sizeof(id)); |
| id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
| id.device = dev; |
| id.index = idx; |
| if (snd_BUG_ON(strlen(name) >= sizeof(id.name))) |
| return NULL; |
| strcpy(id.name, name); |
| return snd_ctl_find_id(codec->card, &id); |
| } |
| |
| /** |
| * snd_hda_find_mixer_ctl - Find a mixer control element with the given name |
| * @codec: HD-audio codec |
| * @name: ctl id name string |
| * |
| * Get the control element with the given id string and IFACE_MIXER. |
| */ |
| struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec, |
| const char *name) |
| { |
| return find_mixer_ctl(codec, name, 0, 0); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl); |
| |
| static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name, |
| int start_idx) |
| { |
| int i, idx; |
| /* 16 ctlrs should be large enough */ |
| for (i = 0, idx = start_idx; i < 16; i++, idx++) { |
| if (!find_mixer_ctl(codec, name, 0, idx)) |
| return idx; |
| } |
| return -EBUSY; |
| } |
| |
| /** |
| * snd_hda_ctl_add - Add a control element and assign to the codec |
| * @codec: HD-audio codec |
| * @nid: corresponding NID (optional) |
| * @kctl: the control element to assign |
| * |
| * Add the given control element to an array inside the codec instance. |
| * All control elements belonging to a codec are supposed to be added |
| * by this function so that a proper clean-up works at the free or |
| * reconfiguration time. |
| * |
| * If non-zero @nid is passed, the NID is assigned to the control element. |
| * The assignment is shown in the codec proc file. |
| * |
| * snd_hda_ctl_add() checks the control subdev id field whether |
| * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower |
| * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit |
| * specifies if kctl->private_value is a HDA amplifier value. |
| */ |
| int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid, |
| struct snd_kcontrol *kctl) |
| { |
| int err; |
| unsigned short flags = 0; |
| struct hda_nid_item *item; |
| |
| if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) { |
| flags |= HDA_NID_ITEM_AMP; |
| if (nid == 0) |
| nid = get_amp_nid_(kctl->private_value); |
| } |
| if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0) |
| nid = kctl->id.subdevice & 0xffff; |
| if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG)) |
| kctl->id.subdevice = 0; |
| err = snd_ctl_add(codec->card, kctl); |
| if (err < 0) |
| return err; |
| item = snd_array_new(&codec->mixers); |
| if (!item) |
| return -ENOMEM; |
| item->kctl = kctl; |
| item->nid = nid; |
| item->flags = flags; |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_ctl_add); |
| |
| /** |
| * snd_hda_add_nid - Assign a NID to a control element |
| * @codec: HD-audio codec |
| * @nid: corresponding NID (optional) |
| * @kctl: the control element to assign |
| * @index: index to kctl |
| * |
| * Add the given control element to an array inside the codec instance. |
| * This function is used when #snd_hda_ctl_add cannot be used for 1:1 |
| * NID:KCTL mapping - for example "Capture Source" selector. |
| */ |
| int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl, |
| unsigned int index, hda_nid_t nid) |
| { |
| struct hda_nid_item *item; |
| |
| if (nid > 0) { |
| item = snd_array_new(&codec->nids); |
| if (!item) |
| return -ENOMEM; |
| item->kctl = kctl; |
| item->index = index; |
| item->nid = nid; |
| return 0; |
| } |
| codec_err(codec, "no NID for mapping control %s:%d:%d\n", |
| kctl->id.name, kctl->id.index, index); |
| return -EINVAL; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_add_nid); |
| |
| /** |
| * snd_hda_ctls_clear - Clear all controls assigned to the given codec |
| * @codec: HD-audio codec |
| */ |
| void snd_hda_ctls_clear(struct hda_codec *codec) |
| { |
| int i; |
| struct hda_nid_item *items = codec->mixers.list; |
| for (i = 0; i < codec->mixers.used; i++) |
| snd_ctl_remove(codec->card, items[i].kctl); |
| snd_array_free(&codec->mixers); |
| snd_array_free(&codec->nids); |
| } |
| |
| /** |
| * snd_hda_lock_devices - pseudo device locking |
| * @bus: the BUS |
| * |
| * toggle card->shutdown to allow/disallow the device access (as a hack) |
| */ |
| int snd_hda_lock_devices(struct hda_bus *bus) |
| { |
| struct snd_card *card = bus->card; |
| struct hda_codec *codec; |
| |
| spin_lock(&card->files_lock); |
| if (card->shutdown) |
| goto err_unlock; |
| card->shutdown = 1; |
| if (!list_empty(&card->ctl_files)) |
| goto err_clear; |
| |
| list_for_each_codec(codec, bus) { |
| struct hda_pcm *cpcm; |
| list_for_each_entry(cpcm, &codec->pcm_list_head, list) { |
| if (!cpcm->pcm) |
| continue; |
| if (cpcm->pcm->streams[0].substream_opened || |
| cpcm->pcm->streams[1].substream_opened) |
| goto err_clear; |
| } |
| } |
| spin_unlock(&card->files_lock); |
| return 0; |
| |
| err_clear: |
| card->shutdown = 0; |
| err_unlock: |
| spin_unlock(&card->files_lock); |
| return -EINVAL; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_lock_devices); |
| |
| /** |
| * snd_hda_unlock_devices - pseudo device unlocking |
| * @bus: the BUS |
| */ |
| void snd_hda_unlock_devices(struct hda_bus *bus) |
| { |
| struct snd_card *card = bus->card; |
| |
| spin_lock(&card->files_lock); |
| card->shutdown = 0; |
| spin_unlock(&card->files_lock); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_unlock_devices); |
| |
| /** |
| * snd_hda_codec_reset - Clear all objects assigned to the codec |
| * @codec: HD-audio codec |
| * |
| * This frees the all PCM and control elements assigned to the codec, and |
| * clears the caches and restores the pin default configurations. |
| * |
| * When a device is being used, it returns -EBSY. If successfully freed, |
| * returns zero. |
| */ |
| int snd_hda_codec_reset(struct hda_codec *codec) |
| { |
| struct hda_bus *bus = codec->bus; |
| |
| if (snd_hda_lock_devices(bus) < 0) |
| return -EBUSY; |
| |
| /* OK, let it free */ |
| snd_hdac_device_unregister(&codec->core); |
| |
| /* allow device access again */ |
| snd_hda_unlock_devices(bus); |
| return 0; |
| } |
| |
| typedef int (*map_slave_func_t)(struct hda_codec *, void *, struct snd_kcontrol *); |
| |
| /* apply the function to all matching slave ctls in the mixer list */ |
| static int map_slaves(struct hda_codec *codec, const char * const *slaves, |
| const char *suffix, map_slave_func_t func, void *data) |
| { |
| struct hda_nid_item *items; |
| const char * const *s; |
| int i, err; |
| |
| items = codec->mixers.list; |
| for (i = 0; i < codec->mixers.used; i++) { |
| struct snd_kcontrol *sctl = items[i].kctl; |
| if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER) |
| continue; |
| for (s = slaves; *s; s++) { |
| char tmpname[sizeof(sctl->id.name)]; |
| const char *name = *s; |
| if (suffix) { |
| snprintf(tmpname, sizeof(tmpname), "%s %s", |
| name, suffix); |
| name = tmpname; |
| } |
| if (!strcmp(sctl->id.name, name)) { |
| err = func(codec, data, sctl); |
| if (err) |
| return err; |
| break; |
| } |
| } |
| } |
| return 0; |
| } |
| |
| static int check_slave_present(struct hda_codec *codec, |
| void *data, struct snd_kcontrol *sctl) |
| { |
| return 1; |
| } |
| |
| /* call kctl->put with the given value(s) */ |
| static int put_kctl_with_value(struct snd_kcontrol *kctl, int val) |
| { |
| struct snd_ctl_elem_value *ucontrol; |
| ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL); |
| if (!ucontrol) |
| return -ENOMEM; |
| ucontrol->value.integer.value[0] = val; |
| ucontrol->value.integer.value[1] = val; |
| kctl->put(kctl, ucontrol); |
| kfree(ucontrol); |
| return 0; |
| } |
| |
| struct slave_init_arg { |
| struct hda_codec *codec; |
| int step; |
| }; |
| |
| /* initialize the slave volume with 0dB via snd_ctl_apply_vmaster_slaves() */ |
| static int init_slave_0dB(struct snd_kcontrol *slave, |
| struct snd_kcontrol *kctl, |
| void *_arg) |
| { |
| struct slave_init_arg *arg = _arg; |
| int _tlv[4]; |
| const int *tlv = NULL; |
| int step; |
| int val; |
| |
| if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { |
| if (kctl->tlv.c != snd_hda_mixer_amp_tlv) { |
| codec_err(arg->codec, |
| "Unexpected TLV callback for slave %s:%d\n", |
| kctl->id.name, kctl->id.index); |
| return 0; /* ignore */ |
| } |
| get_ctl_amp_tlv(kctl, _tlv); |
| tlv = _tlv; |
| } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) |
| tlv = kctl->tlv.p; |
| |
| if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE) |
| return 0; |
| |
| step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP]; |
| step &= ~TLV_DB_SCALE_MUTE; |
| if (!step) |
| return 0; |
| if (arg->step && arg->step != step) { |
| codec_err(arg->codec, |
| "Mismatching dB step for vmaster slave (%d!=%d)\n", |
| arg->step, step); |
| return 0; |
| } |
| |
| arg->step = step; |
| val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step; |
| if (val > 0) { |
| put_kctl_with_value(slave, val); |
| return val; |
| } |
| |
| return 0; |
| } |
| |
| /* unmute the slave via snd_ctl_apply_vmaster_slaves() */ |
| static int init_slave_unmute(struct snd_kcontrol *slave, |
| struct snd_kcontrol *kctl, |
| void *_arg) |
| { |
| return put_kctl_with_value(slave, 1); |
| } |
| |
| static int add_slave(struct hda_codec *codec, |
| void *data, struct snd_kcontrol *slave) |
| { |
| return snd_ctl_add_slave(data, slave); |
| } |
| |
| /** |
| * __snd_hda_add_vmaster - create a virtual master control and add slaves |
| * @codec: HD-audio codec |
| * @name: vmaster control name |
| * @tlv: TLV data (optional) |
| * @slaves: slave control names (optional) |
| * @suffix: suffix string to each slave name (optional) |
| * @init_slave_vol: initialize slaves to unmute/0dB |
| * @ctl_ret: store the vmaster kcontrol in return |
| * |
| * Create a virtual master control with the given name. The TLV data |
| * must be either NULL or a valid data. |
| * |
| * @slaves is a NULL-terminated array of strings, each of which is a |
| * slave control name. All controls with these names are assigned to |
| * the new virtual master control. |
| * |
| * This function returns zero if successful or a negative error code. |
| */ |
| int __snd_hda_add_vmaster(struct hda_codec *codec, char *name, |
| unsigned int *tlv, const char * const *slaves, |
| const char *suffix, bool init_slave_vol, |
| struct snd_kcontrol **ctl_ret) |
| { |
| struct snd_kcontrol *kctl; |
| int err; |
| |
| if (ctl_ret) |
| *ctl_ret = NULL; |
| |
| err = map_slaves(codec, slaves, suffix, check_slave_present, NULL); |
| if (err != 1) { |
| codec_dbg(codec, "No slave found for %s\n", name); |
| return 0; |
| } |
| kctl = snd_ctl_make_virtual_master(name, tlv); |
| if (!kctl) |
| return -ENOMEM; |
| err = snd_hda_ctl_add(codec, 0, kctl); |
| if (err < 0) |
| return err; |
| |
| err = map_slaves(codec, slaves, suffix, add_slave, kctl); |
| if (err < 0) |
| return err; |
| |
| /* init with master mute & zero volume */ |
| put_kctl_with_value(kctl, 0); |
| if (init_slave_vol) { |
| struct slave_init_arg arg = { |
| .codec = codec, |
| .step = 0, |
| }; |
| snd_ctl_apply_vmaster_slaves(kctl, |
| tlv ? init_slave_0dB : init_slave_unmute, |
| &arg); |
| } |
| |
| if (ctl_ret) |
| *ctl_ret = kctl; |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster); |
| |
| /* |
| * mute-LED control using vmaster |
| */ |
| static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo) |
| { |
| static const char * const texts[] = { |
| "On", "Off", "Follow Master" |
| }; |
| |
| return snd_ctl_enum_info(uinfo, 1, 3, texts); |
| } |
| |
| static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol); |
| ucontrol->value.enumerated.item[0] = hook->mute_mode; |
| return 0; |
| } |
| |
| static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol); |
| unsigned int old_mode = hook->mute_mode; |
| |
| hook->mute_mode = ucontrol->value.enumerated.item[0]; |
| if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER) |
| hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER; |
| if (old_mode == hook->mute_mode) |
| return 0; |
| snd_hda_sync_vmaster_hook(hook); |
| return 1; |
| } |
| |
| static const struct snd_kcontrol_new vmaster_mute_mode = { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = "Mute-LED Mode", |
| .info = vmaster_mute_mode_info, |
| .get = vmaster_mute_mode_get, |
| .put = vmaster_mute_mode_put, |
| }; |
| |
| /* meta hook to call each driver's vmaster hook */ |
| static void vmaster_hook(void *private_data, int enabled) |
| { |
| struct hda_vmaster_mute_hook *hook = private_data; |
| |
| if (hook->mute_mode != HDA_VMUTE_FOLLOW_MASTER) |
| enabled = hook->mute_mode; |
| hook->hook(hook->codec, enabled); |
| } |
| |
| /** |
| * snd_hda_add_vmaster_hook - Add a vmaster hook for mute-LED |
| * @codec: the HDA codec |
| * @hook: the vmaster hook object |
| * @expose_enum_ctl: flag to create an enum ctl |
| * |
| * Add a mute-LED hook with the given vmaster switch kctl. |
| * When @expose_enum_ctl is set, "Mute-LED Mode" control is automatically |
| * created and associated with the given hook. |
| */ |
| int snd_hda_add_vmaster_hook(struct hda_codec *codec, |
| struct hda_vmaster_mute_hook *hook, |
| bool expose_enum_ctl) |
| { |
| struct snd_kcontrol *kctl; |
| |
| if (!hook->hook || !hook->sw_kctl) |
| return 0; |
| hook->codec = codec; |
| hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER; |
| snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook); |
| if (!expose_enum_ctl) |
| return 0; |
| kctl = snd_ctl_new1(&vmaster_mute_mode, hook); |
| if (!kctl) |
| return -ENOMEM; |
| return snd_hda_ctl_add(codec, 0, kctl); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook); |
| |
| /** |
| * snd_hda_sync_vmaster_hook - Sync vmaster hook |
| * @hook: the vmaster hook |
| * |
| * Call the hook with the current value for synchronization. |
| * Should be called in init callback. |
| */ |
| void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook) |
| { |
| if (!hook->hook || !hook->codec) |
| return; |
| /* don't call vmaster hook in the destructor since it might have |
| * been already destroyed |
| */ |
| if (hook->codec->bus->shutdown) |
| return; |
| snd_ctl_sync_vmaster_hook(hook->sw_kctl); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook); |
| |
| |
| /** |
| * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch |
| * @kcontrol: referred ctl element |
| * @uinfo: pointer to get/store the data |
| * |
| * The control element is supposed to have the private_value field |
| * set up via HDA_COMPOSE_AMP_VAL*() or related macros. |
| */ |
| int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo) |
| { |
| int chs = get_amp_channels(kcontrol); |
| |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| uinfo->count = chs == 3 ? 2 : 1; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = 1; |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info); |
| |
| /** |
| * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch |
| * @kcontrol: ctl element |
| * @ucontrol: pointer to get/store the data |
| * |
| * The control element is supposed to have the private_value field |
| * set up via HDA_COMPOSE_AMP_VAL*() or related macros. |
| */ |
| int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct hda_codec *codec = snd_kcontrol_chip(kcontrol); |
| hda_nid_t nid = get_amp_nid(kcontrol); |
| int chs = get_amp_channels(kcontrol); |
| int dir = get_amp_direction(kcontrol); |
| int idx = get_amp_index(kcontrol); |
| long *valp = ucontrol->value.integer.value; |
| |
| if (chs & 1) |
| *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & |
| HDA_AMP_MUTE) ? 0 : 1; |
| if (chs & 2) |
| *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & |
| HDA_AMP_MUTE) ? 0 : 1; |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get); |
| |
| /** |
| * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch |
| * @kcontrol: ctl element |
| * @ucontrol: pointer to get/store the data |
| * |
| * The control element is supposed to have the private_value field |
| * set up via HDA_COMPOSE_AMP_VAL*() or related macros. |
| */ |
| int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct hda_codec *codec = snd_kcontrol_chip(kcontrol); |
| hda_nid_t nid = get_amp_nid(kcontrol); |
| int chs = get_amp_channels(kcontrol); |
| int dir = get_amp_direction(kcontrol); |
| int idx = get_amp_index(kcontrol); |
| long *valp = ucontrol->value.integer.value; |
| int change = 0; |
| |
| if (chs & 1) { |
| change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx, |
| HDA_AMP_MUTE, |
| *valp ? 0 : HDA_AMP_MUTE); |
| valp++; |
| } |
| if (chs & 2) |
| change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx, |
| HDA_AMP_MUTE, |
| *valp ? 0 : HDA_AMP_MUTE); |
| hda_call_check_power_status(codec, nid); |
| return change; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put); |
| |
| /* |
| * SPDIF out controls |
| */ |
| |
| static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo) |
| { |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; |
| uinfo->count = 1; |
| return 0; |
| } |
| |
| static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | |
| IEC958_AES0_NONAUDIO | |
| IEC958_AES0_CON_EMPHASIS_5015 | |
| IEC958_AES0_CON_NOT_COPYRIGHT; |
| ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | |
| IEC958_AES1_CON_ORIGINAL; |
| return 0; |
| } |
| |
| static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | |
| IEC958_AES0_NONAUDIO | |
| IEC958_AES0_PRO_EMPHASIS_5015; |
| return 0; |
| } |
| |
| static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct hda_codec *codec = snd_kcontrol_chip(kcontrol); |
| int idx = kcontrol->private_value; |
| struct hda_spdif_out *spdif; |
| |
| if (WARN_ON(codec->spdif_out.used <= idx)) |
| return -EINVAL; |
| mutex_lock(&codec->spdif_mutex); |
| spdif = snd_array_elem(&codec->spdif_out, idx); |
| ucontrol->value.iec958.status[0] = spdif->status & 0xff; |
| ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff; |
| ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff; |
| ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff; |
| mutex_unlock(&codec->spdif_mutex); |
| |
| return 0; |
| } |
| |
| /* convert from SPDIF status bits to HDA SPDIF bits |
| * bit 0 (DigEn) is always set zero (to be filled later) |
| */ |
| static unsigned short convert_from_spdif_status(unsigned int sbits) |
| { |
| unsigned short val = 0; |
| |
| if (sbits & IEC958_AES0_PROFESSIONAL) |
| val |= AC_DIG1_PROFESSIONAL; |
| if (sbits & IEC958_AES0_NONAUDIO) |
| val |= AC_DIG1_NONAUDIO; |
| if (sbits & IEC958_AES0_PROFESSIONAL) { |
| if ((sbits & IEC958_AES0_PRO_EMPHASIS) == |
| IEC958_AES0_PRO_EMPHASIS_5015) |
| val |= AC_DIG1_EMPHASIS; |
| } else { |
| if ((sbits & IEC958_AES0_CON_EMPHASIS) == |
| IEC958_AES0_CON_EMPHASIS_5015) |
| val |= AC_DIG1_EMPHASIS; |
| if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT)) |
| val |= AC_DIG1_COPYRIGHT; |
| if (sbits & (IEC958_AES1_CON_ORIGINAL << 8)) |
| val |= AC_DIG1_LEVEL; |
| val |= sbits & (IEC958_AES1_CON_CATEGORY << 8); |
| } |
| return val; |
| } |
| |
| /* convert to SPDIF status bits from HDA SPDIF bits |
| */ |
| static unsigned int convert_to_spdif_status(unsigned short val) |
| { |
| unsigned int sbits = 0; |
| |
| if (val & AC_DIG1_NONAUDIO) |
| sbits |= IEC958_AES0_NONAUDIO; |
| if (val & AC_DIG1_PROFESSIONAL) |
| sbits |= IEC958_AES0_PROFESSIONAL; |
| if (sbits & IEC958_AES0_PROFESSIONAL) { |
| if (val & AC_DIG1_EMPHASIS) |
| sbits |= IEC958_AES0_PRO_EMPHASIS_5015; |
| } else { |
| if (val & AC_DIG1_EMPHASIS) |
| sbits |= IEC958_AES0_CON_EMPHASIS_5015; |
| if (!(val & AC_DIG1_COPYRIGHT)) |
| sbits |= IEC958_AES0_CON_NOT_COPYRIGHT; |
| if (val & AC_DIG1_LEVEL) |
| sbits |= (IEC958_AES1_CON_ORIGINAL << 8); |
| sbits |= val & (0x7f << 8); |
| } |
| return sbits; |
| } |
| |
| /* set digital convert verbs both for the given NID and its slaves */ |
| static void set_dig_out(struct hda_codec *codec, hda_nid_t nid, |
| int mask, int val) |
| { |
| const hda_nid_t *d; |
| |
| snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1, |
| mask, val); |
| d = codec->slave_dig_outs; |
| if (!d) |
| return; |
| for (; *d; d++) |
| snd_hdac_regmap_update(&codec->core, *d, |
| AC_VERB_SET_DIGI_CONVERT_1, mask, val); |
| } |
| |
| static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid, |
| int dig1, int dig2) |
| { |
| unsigned int mask = 0; |
| unsigned int val = 0; |
| |
| if (dig1 != -1) { |
| mask |= 0xff; |
| val = dig1; |
| } |
| if (dig2 != -1) { |
| mask |= 0xff00; |
| val |= dig2 << 8; |
| } |
| set_dig_out(codec, nid, mask, val); |
| } |
| |
| static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct hda_codec *codec = snd_kcontrol_chip(kcontrol); |
| int idx = kcontrol->private_value; |
| struct hda_spdif_out *spdif; |
| hda_nid_t nid; |
| unsigned short val; |
| int change; |
| |
| if (WARN_ON(codec->spdif_out.used <= idx)) |
| return -EINVAL; |
| mutex_lock(&codec->spdif_mutex); |
| spdif = snd_array_elem(&codec->spdif_out, idx); |
| nid = spdif->nid; |
| spdif->status = ucontrol->value.iec958.status[0] | |
| ((unsigned int)ucontrol->value.iec958.status[1] << 8) | |
| ((unsigned int)ucontrol->value.iec958.status[2] << 16) | |
| ((unsigned int)ucontrol->value.iec958.status[3] << 24); |
| val = convert_from_spdif_status(spdif->status); |
| val |= spdif->ctls & 1; |
| change = spdif->ctls != val; |
| spdif->ctls = val; |
| if (change && nid != (u16)-1) |
| set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff); |
| mutex_unlock(&codec->spdif_mutex); |
| return change; |
| } |
| |
| #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info |
| |
| static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct hda_codec *codec = snd_kcontrol_chip(kcontrol); |
| int idx = kcontrol->private_value; |
| struct hda_spdif_out *spdif; |
| |
| if (WARN_ON(codec->spdif_out.used <= idx)) |
| return -EINVAL; |
| mutex_lock(&codec->spdif_mutex); |
| spdif = snd_array_elem(&codec->spdif_out, idx); |
| ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE; |
| mutex_unlock(&codec->spdif_mutex); |
| return 0; |
| } |
| |
| static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid, |
| int dig1, int dig2) |
| { |
| set_dig_out_convert(codec, nid, dig1, dig2); |
| /* unmute amp switch (if any) */ |
| if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) && |
| (dig1 & AC_DIG1_ENABLE)) |
| snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0, |
| HDA_AMP_MUTE, 0); |
| } |
| |
| static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct hda_codec *codec = snd_kcontrol_chip(kcontrol); |
| int idx = kcontrol->private_value; |
| struct hda_spdif_out *spdif; |
| hda_nid_t nid; |
| unsigned short val; |
| int change; |
| |
| if (WARN_ON(codec->spdif_out.used <= idx)) |
| return -EINVAL; |
| mutex_lock(&codec->spdif_mutex); |
| spdif = snd_array_elem(&codec->spdif_out, idx); |
| nid = spdif->nid; |
| val = spdif->ctls & ~AC_DIG1_ENABLE; |
| if (ucontrol->value.integer.value[0]) |
| val |= AC_DIG1_ENABLE; |
| change = spdif->ctls != val; |
| spdif->ctls = val; |
| if (change && nid != (u16)-1) |
| set_spdif_ctls(codec, nid, val & 0xff, -1); |
| mutex_unlock(&codec->spdif_mutex); |
| return change; |
| } |
| |
| static const struct snd_kcontrol_new dig_mixes[] = { |
| { |
| .access = SNDRV_CTL_ELEM_ACCESS_READ, |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK), |
| .info = snd_hda_spdif_mask_info, |
| .get = snd_hda_spdif_cmask_get, |
| }, |
| { |
| .access = SNDRV_CTL_ELEM_ACCESS_READ, |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK), |
| .info = snd_hda_spdif_mask_info, |
| .get = snd_hda_spdif_pmask_get, |
| }, |
| { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), |
| .info = snd_hda_spdif_mask_info, |
| .get = snd_hda_spdif_default_get, |
| .put = snd_hda_spdif_default_put, |
| }, |
| { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), |
| .info = snd_hda_spdif_out_switch_info, |
| .get = snd_hda_spdif_out_switch_get, |
| .put = snd_hda_spdif_out_switch_put, |
| }, |
| { } /* end */ |
| }; |
| |
| /** |
| * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls |
| * @codec: the HDA codec |
| * @associated_nid: NID that new ctls associated with |
| * @cvt_nid: converter NID |
| * @type: HDA_PCM_TYPE_* |
| * Creates controls related with the digital output. |
| * Called from each patch supporting the digital out. |
| * |
| * Returns 0 if successful, or a negative error code. |
| */ |
| int snd_hda_create_dig_out_ctls(struct hda_codec *codec, |
| hda_nid_t associated_nid, |
| hda_nid_t cvt_nid, |
| int type) |
| { |
| int err; |
| struct snd_kcontrol *kctl; |
| const struct snd_kcontrol_new *dig_mix; |
| int idx = 0; |
| int val = 0; |
| const int spdif_index = 16; |
| struct hda_spdif_out *spdif; |
| struct hda_bus *bus = codec->bus; |
| |
| if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI && |
| type == HDA_PCM_TYPE_SPDIF) { |
| idx = spdif_index; |
| } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF && |
| type == HDA_PCM_TYPE_HDMI) { |
| /* suppose a single SPDIF device */ |
| for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) { |
| kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0); |
| if (!kctl) |
| break; |
| kctl->id.index = spdif_index; |
| } |
| bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI; |
| } |
| if (!bus->primary_dig_out_type) |
| bus->primary_dig_out_type = type; |
| |
| idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx); |
| if (idx < 0) { |
| codec_err(codec, "too many IEC958 outputs\n"); |
| return -EBUSY; |
| } |
| spdif = snd_array_new(&codec->spdif_out); |
| if (!spdif) |
| return -ENOMEM; |
| for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) { |
| kctl = snd_ctl_new1(dig_mix, codec); |
| if (!kctl) |
| return -ENOMEM; |
| kctl->id.index = idx; |
| kctl->private_value = codec->spdif_out.used - 1; |
| err = snd_hda_ctl_add(codec, associated_nid, kctl); |
| if (err < 0) |
| return err; |
| } |
| spdif->nid = cvt_nid; |
| snd_hdac_regmap_read(&codec->core, cvt_nid, |
| AC_VERB_GET_DIGI_CONVERT_1, &val); |
| spdif->ctls = val; |
| spdif->status = convert_to_spdif_status(spdif->ctls); |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls); |
| |
| /** |
| * snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID |
| * @codec: the HDA codec |
| * @nid: widget NID |
| * |
| * call within spdif_mutex lock |
| */ |
| struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec, |
| hda_nid_t nid) |
| { |
| struct hda_spdif_out *spdif; |
| int i; |
| |
| snd_array_for_each(&codec->spdif_out, i, spdif) { |
| if (spdif->nid == nid) |
| return spdif; |
| } |
| return NULL; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid); |
| |
| /** |
| * snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl |
| * @codec: the HDA codec |
| * @idx: the SPDIF ctl index |
| * |
| * Unassign the widget from the given SPDIF control. |
| */ |
| void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx) |
| { |
| struct hda_spdif_out *spdif; |
| |
| if (WARN_ON(codec->spdif_out.used <= idx)) |
| return; |
| mutex_lock(&codec->spdif_mutex); |
| spdif = snd_array_elem(&codec->spdif_out, idx); |
| spdif->nid = (u16)-1; |
| mutex_unlock(&codec->spdif_mutex); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign); |
| |
| /** |
| * snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID |
| * @codec: the HDA codec |
| * @idx: the SPDIF ctl idx |
| * @nid: widget NID |
| * |
| * Assign the widget to the SPDIF control with the given index. |
| */ |
| void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid) |
| { |
| struct hda_spdif_out *spdif; |
| unsigned short val; |
| |
| if (WARN_ON(codec->spdif_out.used <= idx)) |
| return; |
| mutex_lock(&codec->spdif_mutex); |
| spdif = snd_array_elem(&codec->spdif_out, idx); |
| if (spdif->nid != nid) { |
| spdif->nid = nid; |
| val = spdif->ctls; |
| set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff); |
| } |
| mutex_unlock(&codec->spdif_mutex); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign); |
| |
| /* |
| * SPDIF sharing with analog output |
| */ |
| static int spdif_share_sw_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol); |
| ucontrol->value.integer.value[0] = mout->share_spdif; |
| return 0; |
| } |
| |
| static int spdif_share_sw_put(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol); |
| mout->share_spdif = !!ucontrol->value.integer.value[0]; |
| return 0; |
| } |
| |
| static const struct snd_kcontrol_new spdif_share_sw = { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = "IEC958 Default PCM Playback Switch", |
| .info = snd_ctl_boolean_mono_info, |
| .get = spdif_share_sw_get, |
| .put = spdif_share_sw_put, |
| }; |
| |
| /** |
| * snd_hda_create_spdif_share_sw - create Default PCM switch |
| * @codec: the HDA codec |
| * @mout: multi-out instance |
| */ |
| int snd_hda_create_spdif_share_sw(struct hda_codec *codec, |
| struct hda_multi_out *mout) |
| { |
| struct snd_kcontrol *kctl; |
| |
| if (!mout->dig_out_nid) |
| return 0; |
| |
| kctl = snd_ctl_new1(&spdif_share_sw, mout); |
| if (!kctl) |
| return -ENOMEM; |
| /* ATTENTION: here mout is passed as private_data, instead of codec */ |
| return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl); |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw); |
| |
| /* |
| * SPDIF input |
| */ |
| |
| #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info |
| |
| static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct hda_codec *codec = snd_kcontrol_chip(kcontrol); |
| |
| ucontrol->value.integer.value[0] = codec->spdif_in_enable; |
| return 0; |
| } |
| |
| static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct hda_codec *codec = snd_kcontrol_chip(kcontrol); |
| hda_nid_t nid = kcontrol->private_value; |
| unsigned int val = !!ucontrol->value.integer.value[0]; |
| int change; |
| |
| mutex_lock(&codec->spdif_mutex); |
| change = codec->spdif_in_enable != val; |
| if (change) { |
| codec->spdif_in_enable = val; |
| snd_hdac_regmap_write(&codec->core, nid, |
| AC_VERB_SET_DIGI_CONVERT_1, val); |
| } |
| mutex_unlock(&codec->spdif_mutex); |
| return change; |
| } |
| |
| static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct hda_codec *codec = snd_kcontrol_chip(kcontrol); |
| hda_nid_t nid = kcontrol->private_value; |
| unsigned int val; |
| unsigned int sbits; |
| |
| snd_hdac_regmap_read(&codec->core, nid, |
| AC_VERB_GET_DIGI_CONVERT_1, &val); |
| sbits = convert_to_spdif_status(val); |
| ucontrol->value.iec958.status[0] = sbits; |
| ucontrol->value.iec958.status[1] = sbits >> 8; |
| ucontrol->value.iec958.status[2] = sbits >> 16; |
| ucontrol->value.iec958.status[3] = sbits >> 24; |
| return 0; |
| } |
| |
| static const struct snd_kcontrol_new dig_in_ctls[] = { |
| { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH), |
| .info = snd_hda_spdif_in_switch_info, |
| .get = snd_hda_spdif_in_switch_get, |
| .put = snd_hda_spdif_in_switch_put, |
| }, |
| { |
| .access = SNDRV_CTL_ELEM_ACCESS_READ, |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT), |
| .info = snd_hda_spdif_mask_info, |
| .get = snd_hda_spdif_in_status_get, |
| }, |
| { } /* end */ |
| }; |
| |
| /** |
| * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls |
| * @codec: the HDA codec |
| * @nid: audio in widget NID |
| * |
| * Creates controls related with the SPDIF input. |
| * Called from each patch supporting the SPDIF in. |
| * |
| * Returns 0 if successful, or a negative error code. |
| */ |
| int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid) |
| { |
| int err; |
| struct snd_kcontrol *kctl; |
| const struct snd_kcontrol_new *dig_mix; |
| int idx; |
| |
| idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0); |
| if (idx < 0) { |
| codec_err(codec, "too many IEC958 inputs\n"); |
| return -EBUSY; |
| } |
| for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) { |
| kctl = snd_ctl_new1(dig_mix, codec); |
| if (!kctl) |
| return -ENOMEM; |
| kctl->private_value = nid; |
| err = snd_hda_ctl_add(codec, nid, kctl); |
| if (err < 0) |
| return err; |
| } |
| codec->spdif_in_enable = |
| snd_hda_codec_read(codec, nid, 0, |
| AC_VERB_GET_DIGI_CONVERT_1, 0) & |
| AC_DIG1_ENABLE; |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls); |
| |
| /** |
| * snd_hda_codec_set_power_to_all - Set the power state to all widgets |
| * @codec: the HDA codec |
| * @fg: function group (not used now) |
| * @power_state: the power state to set (AC_PWRST_*) |
| * |
| * Set the given power state to all widgets that have the power control. |
| * If the codec has power_filter set, it evaluates the power state and |
| * filter out if it's unchanged as D3. |
| */ |
| void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg, |
| unsigned int power_state) |
| { |
| hda_nid_t nid; |
| |
| for_each_hda_codec_node(nid, codec) { |
| unsigned int wcaps = get_wcaps(codec, nid); |
| unsigned int state = power_state; |
| if (!(wcaps & AC_WCAP_POWER)) |
| continue; |
| if (codec->power_filter) { |
| state = codec->power_filter(codec, nid, power_state); |
| if (state != power_state && power_state == AC_PWRST_D3) |
| continue; |
| } |
| snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, |
| state); |
| } |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all); |
| |
| /** |
| * snd_hda_codec_eapd_power_filter - A power filter callback for EAPD |
| * @codec: the HDA codec |
| * @nid: widget NID |
| * @power_state: power state to evalue |
| * |
| * Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set. |
| * This can be used a codec power_filter callback. |
| */ |
| unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec, |
| hda_nid_t nid, |
| unsigned int power_state) |
| { |
| if (nid == codec->core.afg || nid == codec->core.mfg) |
| return power_state; |
| if (power_state == AC_PWRST_D3 && |
| get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN && |
| (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) { |
| int eapd = snd_hda_codec_read(codec, nid, 0, |
| AC_VERB_GET_EAPD_BTLENABLE, 0); |
| if (eapd & 0x02) |
| return AC_PWRST_D0; |
| } |
| return power_state; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter); |
| |
| /* |
| * set power state of the codec, and return the power state |
| */ |
| static unsigned int hda_set_power_state(struct hda_codec *codec, |
| unsigned int power_state) |
| { |
| hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg; |
| int count; |
| unsigned int state; |
| int flags = 0; |
| |
| /* this delay seems necessary to avoid click noise at power-down */ |
| if (power_state == AC_PWRST_D3) { |
| if (codec->depop_delay < 0) |
| msleep(codec_has_epss(codec) ? 10 : 100); |
| else if (codec->depop_delay > 0) |
| msleep(codec->depop_delay); |
| flags = HDA_RW_NO_RESPONSE_FALLBACK; |
| } |
| |
| /* repeat power states setting at most 10 times*/ |
| for (count = 0; count < 10; count++) { |
| if (codec->patch_ops.set_power_state) |
| codec->patch_ops.set_power_state(codec, fg, |
| power_state); |
| else { |
| state = power_state; |
| if (codec->power_filter) |
| state = codec->power_filter(codec, fg, state); |
| if (state == power_state || power_state != AC_PWRST_D3) |
| snd_hda_codec_read(codec, fg, flags, |
| AC_VERB_SET_POWER_STATE, |
| state); |
| snd_hda_codec_set_power_to_all(codec, fg, power_state); |
| } |
| state = snd_hda_sync_power_state(codec, fg, power_state); |
| if (!(state & AC_PWRST_ERROR)) |
| break; |
| } |
| |
| return state; |
| } |
| |
| /* sync power states of all widgets; |
| * this is called at the end of codec parsing |
| */ |
| static void sync_power_up_states(struct hda_codec *codec) |
| { |
| hda_nid_t nid; |
| |
| /* don't care if no filter is used */ |
| if (!codec->power_filter) |
| return; |
| |
| for_each_hda_codec_node(nid, codec) { |
| unsigned int wcaps = get_wcaps(codec, nid); |
| unsigned int target; |
| if (!(wcaps & AC_WCAP_POWER)) |
| continue; |
| target = codec->power_filter(codec, nid, AC_PWRST_D0); |
| if (target == AC_PWRST_D0) |
| continue; |
| if (!snd_hda_check_power_state(codec, nid, target)) |
| snd_hda_codec_write(codec, nid, 0, |
| AC_VERB_SET_POWER_STATE, target); |
| } |
| } |
| |
| #ifdef CONFIG_SND_HDA_RECONFIG |
| /* execute additional init verbs */ |
| static void hda_exec_init_verbs(struct hda_codec *codec) |
| { |
| if (codec->init_verbs.list) |
| snd_hda_sequence_write(codec, codec->init_verbs.list); |
| } |
| #else |
| static inline void hda_exec_init_verbs(struct hda_codec *codec) {} |
| #endif |
| |
| #ifdef CONFIG_PM |
| /* update the power on/off account with the current jiffies */ |
| static void update_power_acct(struct hda_codec *codec, bool on) |
| { |
| unsigned long delta = jiffies - codec->power_jiffies; |
| |
| if (on) |
| codec->power_on_acct += delta; |
| else |
| codec->power_off_acct += delta; |
| codec->power_jiffies += delta; |
| } |
| |
| void snd_hda_update_power_acct(struct hda_codec *codec) |
| { |
| update_power_acct(codec, hda_codec_is_power_on(codec)); |
| } |
| |
| /* |
| * call suspend and power-down; used both from PM and power-save |
| * this function returns the power state in the end |
| */ |
| static unsigned int hda_call_codec_suspend(struct hda_codec *codec) |
| { |
| unsigned int state; |
| |
| snd_hdac_enter_pm(&codec->core); |
| if (codec->patch_ops.suspend) |
| codec->patch_ops.suspend(codec); |
| hda_cleanup_all_streams(codec); |
| state = hda_set_power_state(codec, AC_PWRST_D3); |
| update_power_acct(codec, true); |
| snd_hdac_leave_pm(&codec->core); |
| return state; |
| } |
| |
| /* |
| * kick up codec; used both from PM and power-save |
| */ |
| static void hda_call_codec_resume(struct hda_codec *codec) |
| { |
| snd_hdac_enter_pm(&codec->core); |
| if (codec->core.regmap) |
| regcache_mark_dirty(codec->core.regmap); |
| |
| codec->power_jiffies = jiffies; |
| |
| hda_set_power_state(codec, AC_PWRST_D0); |
| restore_shutup_pins(codec); |
| hda_exec_init_verbs(codec); |
| snd_hda_jack_set_dirty_all(codec); |
| if (codec->patch_ops.resume) |
| codec->patch_ops.resume(codec); |
| else { |
| if (codec->patch_ops.init) |
| codec->patch_ops.init(codec); |
| snd_hda_regmap_sync(codec); |
| } |
| |
| if (codec->jackpoll_interval) |
| hda_jackpoll_work(&codec->jackpoll_work.work); |
| else |
| snd_hda_jack_report_sync(codec); |
| codec->core.dev.power.power_state = PMSG_ON; |
| snd_hdac_leave_pm(&codec->core); |
| } |
| |
| static int hda_codec_runtime_suspend(struct device *dev) |
| { |
| struct hda_codec *codec = dev_to_hda_codec(dev); |
| unsigned int state; |
| |
| cancel_delayed_work_sync(&codec->jackpoll_work); |
| state = hda_call_codec_suspend(codec); |
| if (codec->link_down_at_suspend || |
| (codec_has_clkstop(codec) && codec_has_epss(codec) && |
| (state & AC_PWRST_CLK_STOP_OK))) |
| snd_hdac_codec_link_down(&codec->core); |
| codec_display_power(codec, false); |
| return 0; |
| } |
| |
| static int hda_codec_runtime_resume(struct device *dev) |
| { |
| struct hda_codec *codec = dev_to_hda_codec(dev); |
| |
| codec_display_power(codec, true); |
| snd_hdac_codec_link_up(&codec->core); |
| hda_call_codec_resume(codec); |
| pm_runtime_mark_last_busy(dev); |
| return 0; |
| } |
| #endif /* CONFIG_PM */ |
| |
| #ifdef CONFIG_PM_SLEEP |
| static int hda_codec_force_resume(struct device *dev) |
| { |
| struct hda_codec *codec = dev_to_hda_codec(dev); |
| bool forced_resume = !codec->relaxed_resume && codec->jacktbl.used; |
| int ret; |
| |
| /* The get/put pair below enforces the runtime resume even if the |
| * device hasn't been used at suspend time. This trick is needed to |
| * update the jack state change during the sleep. |
| */ |
| if (forced_resume) |
| pm_runtime_get_noresume(dev); |
| ret = pm_runtime_force_resume(dev); |
| if (forced_resume) |
| pm_runtime_put(dev); |
| return ret; |
| } |
| |
| static int hda_codec_pm_suspend(struct device *dev) |
| { |
| dev->power.power_state = PMSG_SUSPEND; |
| return pm_runtime_force_suspend(dev); |
| } |
| |
| static int hda_codec_pm_resume(struct device *dev) |
| { |
| dev->power.power_state = PMSG_RESUME; |
| return hda_codec_force_resume(dev); |
| } |
| |
| static int hda_codec_pm_freeze(struct device *dev) |
| { |
| dev->power.power_state = PMSG_FREEZE; |
| return pm_runtime_force_suspend(dev); |
| } |
| |
| static int hda_codec_pm_thaw(struct device *dev) |
| { |
| dev->power.power_state = PMSG_THAW; |
| return hda_codec_force_resume(dev); |
| } |
| |
| static int hda_codec_pm_restore(struct device *dev) |
| { |
| dev->power.power_state = PMSG_RESTORE; |
| return hda_codec_force_resume(dev); |
| } |
| #endif /* CONFIG_PM_SLEEP */ |
| |
| /* referred in hda_bind.c */ |
| const struct dev_pm_ops hda_codec_driver_pm = { |
| #ifdef CONFIG_PM_SLEEP |
| .suspend = hda_codec_pm_suspend, |
| .resume = hda_codec_pm_resume, |
| .freeze = hda_codec_pm_freeze, |
| .thaw = hda_codec_pm_thaw, |
| .poweroff = hda_codec_pm_suspend, |
| .restore = hda_codec_pm_restore, |
| #endif /* CONFIG_PM_SLEEP */ |
| SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume, |
| NULL) |
| }; |
| |
| /* |
| * add standard channel maps if not specified |
| */ |
| static int add_std_chmaps(struct hda_codec *codec) |
| { |
| struct hda_pcm *pcm; |
| int str, err; |
| |
| list_for_each_entry(pcm, &codec->pcm_list_head, list) { |
| for (str = 0; str < 2; str++) { |
| struct hda_pcm_stream *hinfo = &pcm->stream[str]; |
| struct snd_pcm_chmap *chmap; |
| const struct snd_pcm_chmap_elem *elem; |
| |
| if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams) |
| continue; |
| elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps; |
| err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem, |
| hinfo->channels_max, |
| 0, &chmap); |
| if (err < 0) |
| return err; |
| chmap->channel_mask = SND_PCM_CHMAP_MASK_2468; |
| } |
| } |
| return 0; |
| } |
| |
| /* default channel maps for 2.1 speakers; |
| * since HD-audio supports only stereo, odd number channels are omitted |
| */ |
| const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = { |
| { .channels = 2, |
| .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } }, |
| { .channels = 4, |
| .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, |
| SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } }, |
| { } |
| }; |
| EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps); |
| |
| int snd_hda_codec_build_controls(struct hda_codec *codec) |
| { |
| int err = 0; |
| hda_exec_init_verbs(codec); |
| /* continue to initialize... */ |
| if (codec->patch_ops.init) |
| err = codec->patch_ops.init(codec); |
| if (!err && codec->patch_ops.build_controls) |
| err = codec->patch_ops.build_controls(codec); |
| if (err < 0) |
| return err; |
| |
| /* we create chmaps here instead of build_pcms */ |
| err = add_std_chmaps(codec); |
| if (err < 0) |
| return err; |
| |
| if (codec->jackpoll_interval) |
| hda_jackpoll_work(&codec->jackpoll_work.work); |
| else |
| snd_hda_jack_report_sync(codec); /* call at the last init point */ |
| sync_power_up_states(codec); |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls); |
| |
| /* |
| * PCM stuff |
| */ |
| static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo, |
| struct hda_codec *codec, |
| struct snd_pcm_substream *substream) |
| { |
| return 0; |
| } |