#include <linux/mutex.h>
#include <linux/module.h>
#include <linux/async.h>
+#include <linux/pm.h>
+#include <linux/pm_runtime.h>
#include <sound/core.h>
#include "hda_codec.h"
#include <sound/asoundef.h>
#include "hda_jack.h"
#include <sound/hda_hwdep.h>
-#define CREATE_TRACE_POINTS
-#include "hda_trace.h"
-
-/*
- * vendor / preset table
- */
-
-struct hda_vendor_id {
- unsigned int id;
- const char *name;
-};
-
-/* codec vendor labels */
-static struct hda_vendor_id hda_vendor_ids[] = {
- { 0x1002, "ATI" },
- { 0x1013, "Cirrus Logic" },
- { 0x1057, "Motorola" },
- { 0x1095, "Silicon Image" },
- { 0x10de, "Nvidia" },
- { 0x10ec, "Realtek" },
- { 0x1102, "Creative" },
- { 0x1106, "VIA" },
- { 0x111d, "IDT" },
- { 0x11c1, "LSI" },
- { 0x11d4, "Analog Devices" },
- { 0x13f6, "C-Media" },
- { 0x14f1, "Conexant" },
- { 0x17e8, "Chrontel" },
- { 0x1854, "LG" },
- { 0x1aec, "Wolfson Microelectronics" },
- { 0x1af4, "QEMU" },
- { 0x434d, "C-Media" },
- { 0x8086, "Intel" },
- { 0x8384, "SigmaTel" },
- {} /* terminator */
-};
-
-static DEFINE_MUTEX(preset_mutex);
-static LIST_HEAD(hda_preset_tables);
-
-/**
- * snd_hda_add_codec_preset - Add a codec preset to the chain
- * @preset: codec preset table to add
- */
-int snd_hda_add_codec_preset(struct hda_codec_preset_list *preset)
-{
- mutex_lock(&preset_mutex);
- list_add_tail(&preset->list, &hda_preset_tables);
- mutex_unlock(&preset_mutex);
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_add_codec_preset);
-
-/**
- * snd_hda_delete_codec_preset - Delete a codec preset from the chain
- * @preset: codec preset table to delete
- */
-int snd_hda_delete_codec_preset(struct hda_codec_preset_list *preset)
-{
- mutex_lock(&preset_mutex);
- list_del(&preset->list);
- mutex_unlock(&preset_mutex);
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_delete_codec_preset);
-
#ifdef CONFIG_PM
-#define codec_in_pm(codec) ((codec)->in_pm)
-static void hda_power_work(struct work_struct *work);
-static void hda_keep_power_on(struct hda_codec *codec);
-#define hda_codec_is_power_on(codec) ((codec)->power_on)
-
-static void hda_call_pm_notify(struct hda_codec *codec, bool power_up)
-{
- struct hda_bus *bus = codec->bus;
-
- if ((power_up && codec->pm_up_notified) ||
- (!power_up && !codec->pm_up_notified))
- return;
- if (bus->ops.pm_notify)
- bus->ops.pm_notify(bus, power_up);
- codec->pm_up_notified = power_up;
-}
-
+#define codec_in_pm(codec) atomic_read(&(codec)->core.in_pm)
+#define hda_codec_is_power_on(codec) \
+ (!pm_runtime_suspended(hda_codec_dev(codec)))
#else
#define codec_in_pm(codec) 0
-static inline void hda_keep_power_on(struct hda_codec *codec) {}
#define hda_codec_is_power_on(codec) 1
-#define hda_call_pm_notify(codec, state) {}
#endif
+#define codec_has_epss(codec) \
+ ((codec)->core.power_caps & AC_PWRST_EPSS)
+#define codec_has_clkstop(codec) \
+ ((codec)->core.power_caps & AC_PWRST_CLKSTOP)
+
/**
* snd_hda_get_jack_location - Give a location string of the jack
* @cfg: pin default config value
EXPORT_SYMBOL_GPL(snd_hda_get_jack_type);
/*
- * Compose a 32bit command word to be sent to the HD-audio controller
+ * Send and receive a verb - passed to exec_verb override for hdac_device
*/
-static inline unsigned int
-make_codec_cmd(struct hda_codec *codec, hda_nid_t nid, int flags,
- unsigned int verb, unsigned int parm)
-{
- u32 val;
-
- if ((codec->addr & ~0xf) || (nid & ~0x7f) ||
- (verb & ~0xfff) || (parm & ~0xffff)) {
- codec_err(codec, "hda-codec: out of range cmd %x:%x:%x:%x\n",
- codec->addr, nid, verb, parm);
- return ~0;
- }
-
- val = (u32)codec->addr << 28;
- val |= (u32)nid << 20;
- val |= verb << 8;
- val |= parm;
- return val;
-}
-
-/*
- * Send and receive a verb
- */
-static int codec_exec_verb(struct hda_codec *codec, unsigned int cmd,
- int flags, unsigned int *res)
+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;
- if (res)
- *res = -1;
again:
snd_hda_power_up(codec);
- mutex_lock(&bus->cmd_mutex);
+ mutex_lock(&bus->core.cmd_mutex);
if (flags & HDA_RW_NO_RESPONSE_FALLBACK)
bus->no_response_fallback = 1;
- for (;;) {
- trace_hda_send_cmd(codec, cmd);
- err = bus->ops.command(bus, cmd);
- if (err != -EAGAIN)
- break;
- /* process pending verbs */
- bus->ops.get_response(bus, codec->addr);
- }
- if (!err && res) {
- *res = bus->ops.get_response(bus, codec->addr);
- trace_hda_get_response(codec, *res);
- }
+ err = snd_hdac_bus_exec_verb_unlocked(&bus->core, codec->core.addr,
+ cmd, res);
bus->no_response_fallback = 0;
- mutex_unlock(&bus->cmd_mutex);
+ mutex_unlock(&bus->core.cmd_mutex);
snd_hda_power_down(codec);
- if (!codec_in_pm(codec) && res && *res == -1 && bus->rirb_error) {
+ if (!codec_in_pm(codec) && res && err < 0 && bus->rirb_error) {
if (bus->response_reset) {
codec_dbg(codec,
"resetting BUS due to fatal communication error\n");
- trace_hda_bus_reset(bus);
bus->ops.bus_reset(bus);
}
goto again;
int flags,
unsigned int verb, unsigned int parm)
{
- unsigned cmd = make_codec_cmd(codec, nid, flags, verb, parm);
+ unsigned int cmd = snd_hdac_make_cmd(&codec->core, nid, verb, parm);
unsigned int res;
- if (codec_exec_verb(codec, cmd, flags, &res))
+ if (snd_hdac_exec_verb(&codec->core, cmd, flags, &res))
return -1;
return res;
}
int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags,
unsigned int verb, unsigned int parm)
{
- unsigned int cmd = make_codec_cmd(codec, nid, flags, verb, parm);
- unsigned int res;
- return codec_exec_verb(codec, cmd, flags,
- codec->bus->sync_write ? &res : NULL);
+ unsigned int cmd = snd_hdac_make_cmd(&codec->core, nid, verb, parm);
+ return snd_hdac_exec_verb(&codec->core, cmd, flags, NULL);
}
EXPORT_SYMBOL_GPL(snd_hda_codec_write);
}
EXPORT_SYMBOL_GPL(snd_hda_sequence_write);
-/**
- * snd_hda_get_sub_nodes - get the range of sub nodes
- * @codec: the HDA codec
- * @nid: NID to parse
- * @start_id: the pointer to store the start NID
- *
- * Parse the NID and store the start NID of its sub-nodes.
- * Returns the number of sub-nodes.
- */
-int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
- hda_nid_t *start_id)
-{
- unsigned int parm;
-
- parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
- if (parm == -1) {
- *start_id = 0;
- return 0;
- }
- *start_id = (parm >> 16) & 0x7fff;
- return (int)(parm & 0x7fff);
-}
-EXPORT_SYMBOL_GPL(snd_hda_get_sub_nodes);
-
/* connection list element */
struct hda_conn_list {
struct list_head list;
}
EXPORT_SYMBOL_GPL(snd_hda_get_connections);
-/* return CONNLIST_LEN parameter of the given widget */
-static unsigned int get_num_conns(struct hda_codec *codec, hda_nid_t nid)
-{
- unsigned int wcaps = get_wcaps(codec, nid);
- unsigned int parm;
-
- if (!(wcaps & AC_WCAP_CONN_LIST) &&
- get_wcaps_type(wcaps) != AC_WID_VOL_KNB)
- return 0;
-
- parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
- if (parm == -1)
- parm = 0;
- return parm;
-}
-
-int snd_hda_get_num_raw_conns(struct hda_codec *codec, hda_nid_t nid)
-{
- return snd_hda_get_raw_connections(codec, nid, NULL, 0);
-}
-
-/**
- * snd_hda_get_raw_connections - copy connection list without cache
- * @codec: the HDA codec
- * @nid: NID to parse
- * @conn_list: connection list array
- * @max_conns: max. number of connections to store
- *
- * Like snd_hda_get_connections(), copy the connection list but without
- * checking through the connection-list cache.
- * Currently called only from hda_proc.c, so not exported.
- */
-int snd_hda_get_raw_connections(struct hda_codec *codec, hda_nid_t nid,
- hda_nid_t *conn_list, int max_conns)
-{
- unsigned int parm;
- int i, conn_len, conns;
- unsigned int shift, num_elems, mask;
- hda_nid_t prev_nid;
- int null_count = 0;
-
- parm = get_num_conns(codec, nid);
- if (!parm)
- return 0;
-
- if (parm & AC_CLIST_LONG) {
- /* long form */
- shift = 16;
- num_elems = 2;
- } else {
- /* short form */
- shift = 8;
- num_elems = 4;
- }
- conn_len = parm & AC_CLIST_LENGTH;
- mask = (1 << (shift-1)) - 1;
-
- if (!conn_len)
- return 0; /* no connection */
-
- if (conn_len == 1) {
- /* single connection */
- parm = snd_hda_codec_read(codec, nid, 0,
- AC_VERB_GET_CONNECT_LIST, 0);
- if (parm == -1 && codec->bus->rirb_error)
- return -EIO;
- if (conn_list)
- conn_list[0] = parm & mask;
- return 1;
- }
-
- /* multi connection */
- conns = 0;
- prev_nid = 0;
- for (i = 0; i < conn_len; i++) {
- int range_val;
- hda_nid_t val, n;
-
- if (i % num_elems == 0) {
- parm = snd_hda_codec_read(codec, nid, 0,
- AC_VERB_GET_CONNECT_LIST, i);
- if (parm == -1 && codec->bus->rirb_error)
- return -EIO;
- }
- range_val = !!(parm & (1 << (shift-1))); /* ranges */
- val = parm & mask;
- if (val == 0 && null_count++) { /* no second chance */
- codec_dbg(codec,
- "invalid CONNECT_LIST verb %x[%i]:%x\n",
- nid, i, parm);
- return 0;
- }
- parm >>= shift;
- if (range_val) {
- /* ranges between the previous and this one */
- if (!prev_nid || prev_nid >= val) {
- codec_warn(codec,
- "invalid dep_range_val %x:%x\n",
- prev_nid, val);
- continue;
- }
- for (n = prev_nid + 1; n <= val; n++) {
- if (conn_list) {
- if (conns >= max_conns)
- return -ENOSPC;
- conn_list[conns] = n;
- }
- conns++;
- }
- } else {
- if (conn_list) {
- if (conns >= max_conns)
- return -ENOSPC;
- conn_list[conns] = val;
- }
- conns++;
- }
- prev_nid = val;
- }
- return conns;
-}
-
/**
* snd_hda_override_conn_list - add/modify the connection-list to cache
* @codec: the HDA codec
return devices;
}
-/**
- * snd_hda_queue_unsol_event - add an unsolicited event to queue
- * @bus: the BUS
- * @res: unsolicited event (lower 32bit of RIRB entry)
- * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
- *
- * Adds the given event to the queue. The events are processed in
- * the workqueue asynchronously. Call this function in the interrupt
- * hanlder when RIRB receives an unsolicited event.
- *
- * Returns 0 if successful, or a negative error code.
- */
-int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
-{
- struct hda_bus_unsolicited *unsol;
- unsigned int wp;
-
- if (!bus || !bus->workq)
- return 0;
-
- trace_hda_unsol_event(bus, res, res_ex);
- unsol = &bus->unsol;
- wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
- unsol->wp = wp;
-
- wp <<= 1;
- unsol->queue[wp] = res;
- unsol->queue[wp + 1] = res_ex;
-
- queue_work(bus->workq, &unsol->work);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_queue_unsol_event);
-
-/*
- * process queued unsolicited events
- */
-static void process_unsol_events(struct work_struct *work)
-{
- struct hda_bus *bus = container_of(work, struct hda_bus, unsol.work);
- struct hda_bus_unsolicited *unsol = &bus->unsol;
- struct hda_codec *codec;
- unsigned int rp, caddr, res;
-
- while (unsol->rp != unsol->wp) {
- rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
- unsol->rp = rp;
- rp <<= 1;
- res = unsol->queue[rp];
- caddr = unsol->queue[rp + 1];
- if (!(caddr & (1 << 4))) /* no unsolicited event? */
- continue;
- codec = bus->caddr_tbl[caddr & 0x0f];
- if (codec && codec->patch_ops.unsol_event)
- codec->patch_ops.unsol_event(codec, res);
- }
-}
-
/*
* destructor
*/
{
if (!bus)
return;
-
- WARN_ON(!list_empty(&bus->codec_list));
- if (bus->workq)
- flush_workqueue(bus->workq);
if (bus->ops.private_free)
bus->ops.private_free(bus);
- if (bus->workq)
- destroy_workqueue(bus->workq);
-
+ snd_hdac_bus_exit(&bus->core);
kfree(bus);
}
return 0;
}
+/* hdac_bus_ops translations */
+static int _hda_bus_command(struct hdac_bus *_bus, unsigned int cmd)
+{
+ struct hda_bus *bus = container_of(_bus, struct hda_bus, core);
+ return bus->ops.command(bus, cmd);
+}
+
+static int _hda_bus_get_response(struct hdac_bus *_bus, unsigned int addr,
+ unsigned int *res)
+{
+ struct hda_bus *bus = container_of(_bus, struct hda_bus, core);
+ *res = bus->ops.get_response(bus, addr);
+ return bus->rirb_error ? -EIO : 0;
+}
+
+static const struct hdac_bus_ops bus_ops = {
+ .command = _hda_bus_command,
+ .get_response = _hda_bus_get_response,
+};
+
/**
* snd_hda_bus_new - create a HDA bus
* @card: the card entry
*busp = NULL;
bus = kzalloc(sizeof(*bus), GFP_KERNEL);
- if (bus == NULL) {
- dev_err(card->dev, "can't allocate struct hda_bus\n");
+ if (!bus)
return -ENOMEM;
+
+ err = snd_hdac_bus_init(&bus->core, card->dev, &bus_ops);
+ if (err < 0) {
+ kfree(bus);
+ return err;
}
bus->card = card;
- mutex_init(&bus->cmd_mutex);
mutex_init(&bus->prepare_mutex);
- INIT_LIST_HEAD(&bus->codec_list);
- INIT_WORK(&bus->unsol.work, process_unsol_events);
-
- snprintf(bus->workq_name, sizeof(bus->workq_name),
- "hd-audio%d", card->number);
- bus->workq = create_singlethread_workqueue(bus->workq_name);
- if (!bus->workq) {
- dev_err(card->dev, "cannot create workqueue %s\n",
- bus->workq_name);
- kfree(bus);
- return -ENOMEM;
- }
err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
if (err < 0) {
}
EXPORT_SYMBOL_GPL(snd_hda_bus_new);
-#if IS_ENABLED(CONFIG_SND_HDA_GENERIC)
-#define is_generic_config(codec) \
- (codec->modelname && !strcmp(codec->modelname, "generic"))
-#else
-#define is_generic_config(codec) 0
-#endif
-
-#ifdef MODULE
-#define HDA_MODREQ_MAX_COUNT 2 /* two request_modules()'s */
-#else
-#define HDA_MODREQ_MAX_COUNT 0 /* all presets are statically linked */
-#endif
-
-/*
- * find a matching codec preset
- */
-static const struct hda_codec_preset *
-find_codec_preset(struct hda_codec *codec)
-{
- struct hda_codec_preset_list *tbl;
- const struct hda_codec_preset *preset;
- unsigned int mod_requested = 0;
-
- again:
- mutex_lock(&preset_mutex);
- list_for_each_entry(tbl, &hda_preset_tables, list) {
- if (!try_module_get(tbl->owner)) {
- codec_err(codec, "cannot module_get\n");
- continue;
- }
- for (preset = tbl->preset; preset->id; preset++) {
- u32 mask = preset->mask;
- if (preset->afg && preset->afg != codec->afg)
- continue;
- if (preset->mfg && preset->mfg != codec->mfg)
- continue;
- if (!mask)
- mask = ~0;
- if (preset->id == (codec->vendor_id & mask) &&
- (!preset->rev ||
- preset->rev == codec->revision_id)) {
- mutex_unlock(&preset_mutex);
- codec->owner = tbl->owner;
- return preset;
- }
- }
- module_put(tbl->owner);
- }
- mutex_unlock(&preset_mutex);
-
- if (mod_requested < HDA_MODREQ_MAX_COUNT) {
- if (!mod_requested)
- request_module("snd-hda-codec-id:%08x",
- codec->vendor_id);
- else
- request_module("snd-hda-codec-id:%04x*",
- (codec->vendor_id >> 16) & 0xffff);
- mod_requested++;
- goto again;
- }
- return NULL;
-}
-
-/*
- * get_codec_name - store the codec name
- */
-static int get_codec_name(struct hda_codec *codec)
-{
- const struct hda_vendor_id *c;
- const char *vendor = NULL;
- u16 vendor_id = codec->vendor_id >> 16;
- char tmp[16];
-
- if (codec->vendor_name)
- goto get_chip_name;
-
- for (c = hda_vendor_ids; c->id; c++) {
- if (c->id == vendor_id) {
- vendor = c->name;
- break;
- }
- }
- if (!vendor) {
- sprintf(tmp, "Generic %04x", vendor_id);
- vendor = tmp;
- }
- codec->vendor_name = kstrdup(vendor, GFP_KERNEL);
- if (!codec->vendor_name)
- return -ENOMEM;
-
- get_chip_name:
- if (codec->chip_name)
- return 0;
-
- if (codec->preset && codec->preset->name)
- codec->chip_name = kstrdup(codec->preset->name, GFP_KERNEL);
- else {
- sprintf(tmp, "ID %x", codec->vendor_id & 0xffff);
- codec->chip_name = kstrdup(tmp, GFP_KERNEL);
- }
- if (!codec->chip_name)
- return -ENOMEM;
- return 0;
-}
-
-/*
- * look for an AFG and MFG nodes
- */
-static void setup_fg_nodes(struct hda_codec *codec)
-{
- int i, total_nodes, function_id;
- hda_nid_t nid;
-
- total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
- for (i = 0; i < total_nodes; i++, nid++) {
- function_id = snd_hda_param_read(codec, nid,
- AC_PAR_FUNCTION_TYPE);
- switch (function_id & 0xff) {
- case AC_GRP_AUDIO_FUNCTION:
- codec->afg = nid;
- codec->afg_function_id = function_id & 0xff;
- codec->afg_unsol = (function_id >> 8) & 1;
- break;
- case AC_GRP_MODEM_FUNCTION:
- codec->mfg = nid;
- codec->mfg_function_id = function_id & 0xff;
- codec->mfg_unsol = (function_id >> 8) & 1;
- break;
- default:
- break;
- }
- }
-}
-
/*
* read widget caps for each widget and store in cache
*/
int i;
hda_nid_t nid;
- codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
- &codec->start_nid);
- codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
+ codec->wcaps = kmalloc(codec->core.num_nodes * 4, GFP_KERNEL);
if (!codec->wcaps)
return -ENOMEM;
- nid = codec->start_nid;
- for (i = 0; i < codec->num_nodes; i++, nid++)
- codec->wcaps[i] = snd_hda_param_read(codec, nid,
- AC_PAR_AUDIO_WIDGET_CAP);
+ 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)
{
- int i;
- hda_nid_t nid = codec->start_nid;
+ hda_nid_t nid;
- for (i = 0; i < codec->num_nodes; i++, 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 (!codec->jackpoll_interval)
return;
- queue_delayed_work(codec->bus->workq, &codec->jackpoll_work,
- codec->jackpoll_interval);
+ schedule_delayed_work(&codec->jackpoll_work,
+ codec->jackpoll_interval);
}
static void init_hda_cache(struct hda_cache_rec *cache,
}
/*
- * Dynamic symbol binding for the codec parsers
+ * PCM device
*/
+static void release_pcm(struct kref *kref)
+{
+ struct hda_pcm *pcm = container_of(kref, struct hda_pcm, kref);
-#define load_parser(codec, sym) \
- ((codec)->parser = (int (*)(struct hda_codec *))symbol_request(sym))
+ 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);
+}
-static void unload_parser(struct hda_codec *codec)
+void snd_hda_codec_pcm_put(struct hda_pcm *pcm)
{
- if (codec->parser)
- symbol_put_addr(codec->parser);
- codec->parser = NULL;
+ 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;
+
+ va_start(args, fmt);
+ pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
+ if (!pcm)
+ return NULL;
+
+ pcm->codec = codec;
+ kref_init(&pcm->kref);
+ pcm->name = kvasprintf(GFP_KERNEL, fmt, 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 snd_hda_codec_free(struct hda_codec *codec)
+static void codec_release_pcms(struct hda_codec *codec)
{
- if (!codec)
- return;
+ 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);
- free_init_pincfgs(codec);
-#ifdef CONFIG_PM
- cancel_delayed_work(&codec->power_work);
- flush_workqueue(codec->bus->workq);
-#endif
- list_del(&codec->list);
- snd_array_free(&codec->mixers);
- snd_array_free(&codec->nids);
+ codec->proc_widget_hook = NULL;
+ codec->spec = NULL;
+
+ free_hda_cache(&codec->amp_cache);
+ free_hda_cache(&codec->cmd_cache);
+ init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
+ init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
+
+ /* 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);
- codec->bus->caddr_tbl[codec->addr] = NULL;
- if (codec->patch_ops.free)
- codec->patch_ops.free(codec);
- hda_call_pm_notify(codec, false); /* cancel leftover refcounts */
- snd_hda_sysfs_clear(codec);
- unload_parser(codec);
- module_put(codec->owner);
- free_hda_cache(&codec->amp_cache);
- free_hda_cache(&codec->cmd_cache);
- kfree(codec->vendor_name);
- kfree(codec->chip_name);
- kfree(codec->modelname);
- kfree(codec->wcaps);
- codec->bus->num_codecs--;
- put_device(&codec->dev);
+ snd_hdac_regmap_exit(&codec->core);
}
-static bool snd_hda_codec_get_supported_ps(struct hda_codec *codec,
- hda_nid_t fg, unsigned int power_state);
-
static unsigned int hda_set_power_state(struct hda_codec *codec,
unsigned int power_state);
-static int snd_hda_codec_dev_register(struct snd_device *device)
+/* also called from hda_bind.c */
+void snd_hda_codec_register(struct hda_codec *codec)
{
- struct hda_codec *codec = device->device_data;
- int err = device_add(&codec->dev);
+ if (codec->registered)
+ return;
+ if (device_is_registered(hda_codec_dev(codec))) {
+ snd_hda_register_beep_device(codec);
+ 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;
+ }
+}
- if (err < 0)
- return err;
- snd_hda_register_beep_device(codec);
+static int snd_hda_codec_dev_register(struct snd_device *device)
+{
+ snd_hda_codec_register(device->device_data);
return 0;
}
struct hda_codec *codec = device->device_data;
snd_hda_detach_beep_device(codec);
- device_del(&codec->dev);
return 0;
}
static int snd_hda_codec_dev_free(struct snd_device *device)
{
- snd_hda_codec_free(device->device_data);
+ struct hda_codec *codec = device->device_data;
+
+ codec->in_freeing = 1;
+ snd_hdac_device_unregister(&codec->core);
+ put_device(hda_codec_dev(codec));
return 0;
}
-/* just free the container */
static void snd_hda_codec_dev_release(struct device *dev)
{
- kfree(container_of(dev, struct hda_codec, 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);
+ free_hda_cache(&codec->amp_cache);
+ free_hda_cache(&codec->cmd_cache);
+ kfree(codec->modelname);
+ kfree(codec->wcaps);
+ kfree(codec);
}
/**
*
* Returns 0 if successful, or a negative error code.
*/
-int snd_hda_codec_new(struct hda_bus *bus,
- unsigned int codec_addr,
- struct hda_codec **codecp)
+int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
+ unsigned int codec_addr, struct hda_codec **codecp)
{
struct hda_codec *codec;
char component[31];
if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
return -EINVAL;
- if (bus->caddr_tbl[codec_addr]) {
- dev_err(bus->card->dev,
- "address 0x%x is already occupied\n",
- codec_addr);
- return -EBUSY;
- }
-
codec = kzalloc(sizeof(*codec), GFP_KERNEL);
- if (codec == NULL) {
- dev_err(bus->card->dev, "can't allocate struct hda_codec\n");
+ if (!codec)
return -ENOMEM;
+
+ sprintf(component, "hdaudioC%dD%d", card->number, codec_addr);
+ err = snd_hdac_device_init(&codec->core, &bus->core, component,
+ codec_addr);
+ if (err < 0) {
+ kfree(codec);
+ return err;
}
- device_initialize(&codec->dev);
- codec->dev.parent = &bus->card->card_dev;
- codec->dev.class = sound_class;
- codec->dev.release = snd_hda_codec_dev_release;
- codec->dev.groups = snd_hda_dev_attr_groups;
- dev_set_name(&codec->dev, "hdaudioC%dD%d", bus->card->number,
- codec_addr);
- dev_set_drvdata(&codec->dev, codec); /* for sysfs */
+ codec->core.dev.release = snd_hda_codec_dev_release;
+ codec->core.type = HDA_DEV_LEGACY;
+ codec->core.exec_verb = codec_exec_verb;
codec->bus = bus;
+ codec->card = card;
codec->addr = codec_addr;
mutex_init(&codec->spdif_mutex);
mutex_init(&codec->control_mutex);
snd_array_init(&codec->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
- spin_lock_init(&codec->power_lock);
- INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
- /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
- * the caller has to power down appropriatley after initialization
- * phase.
- */
- hda_keep_power_on(codec);
+ codec->power_jiffies = jiffies;
#endif
snd_hda_sysfs_init(codec);
}
}
- list_add_tail(&codec->list, &bus->codec_list);
- bus->num_codecs++;
-
- bus->caddr_tbl[codec_addr] = codec;
-
- codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
- AC_PAR_VENDOR_ID);
- if (codec->vendor_id == -1)
- /* read again, hopefully the access method was corrected
- * in the last read...
- */
- codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
- AC_PAR_VENDOR_ID);
- codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
- AC_PAR_SUBSYSTEM_ID);
- codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
- AC_PAR_REV_ID);
-
- setup_fg_nodes(codec);
- if (!codec->afg && !codec->mfg) {
- dev_err(bus->card->dev, "no AFG or MFG node found\n");
- err = -ENODEV;
- goto error;
- }
-
- fg = codec->afg ? codec->afg : codec->mfg;
+ fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
err = read_widget_caps(codec, fg);
- if (err < 0) {
- dev_err(bus->card->dev, "cannot malloc\n");
+ if (err < 0)
goto error;
- }
err = read_pin_defaults(codec);
if (err < 0)
goto error;
- if (!codec->subsystem_id) {
- codec->subsystem_id =
- snd_hda_codec_read(codec, fg, 0,
- AC_VERB_GET_SUBSYSTEM_ID, 0);
- }
-
-#ifdef CONFIG_PM
- codec->d3_stop_clk = snd_hda_codec_get_supported_ps(codec, fg,
- AC_PWRST_CLKSTOP);
-#endif
- codec->epss = snd_hda_codec_get_supported_ps(codec, fg,
- AC_PWRST_EPSS);
-#ifdef CONFIG_PM
- if (!codec->d3_stop_clk || !codec->epss)
- bus->power_keep_link_on = 1;
-#endif
-
-
/* power-up all before initialization */
hda_set_power_state(codec, AC_PWRST_D0);
snd_hda_create_hwdep(codec);
- sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id,
- codec->subsystem_id, codec->revision_id);
- snd_component_add(codec->bus->card, component);
+ 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(bus->card, SNDRV_DEV_CODEC, codec, &dev_ops);
+ err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
if (err < 0)
goto error;
return 0;
error:
- snd_hda_codec_free(codec);
+ put_device(hda_codec_dev(codec));
return err;
}
EXPORT_SYMBOL_GPL(snd_hda_codec_new);
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->afg ? codec->afg : codec->mfg;
+ fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
err = read_widget_caps(codec, fg);
- if (err < 0) {
- codec_err(codec, "cannot malloc\n");
+ if (err < 0)
return err;
- }
snd_array_free(&codec->init_pins);
err = read_pin_defaults(codec);
}
EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
-
-#if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI)
-/* if all audio out widgets are digital, let's assume the codec as a HDMI/DP */
-static bool is_likely_hdmi_codec(struct hda_codec *codec)
-{
- hda_nid_t nid = codec->start_nid;
- int i;
-
- for (i = 0; i < codec->num_nodes; i++, nid++) {
- unsigned int wcaps = get_wcaps(codec, nid);
- switch (get_wcaps_type(wcaps)) {
- case AC_WID_AUD_IN:
- return false; /* HDMI parser supports only HDMI out */
- case AC_WID_AUD_OUT:
- if (!(wcaps & AC_WCAP_DIGITAL))
- return false;
- break;
- }
- }
- return true;
-}
-#else
-/* no HDMI codec parser support */
-#define is_likely_hdmi_codec(codec) false
-#endif /* CONFIG_SND_HDA_CODEC_HDMI */
-
-/**
- * snd_hda_codec_configure - (Re-)configure the HD-audio codec
- * @codec: the HDA codec
- *
- * Start parsing of the given codec tree and (re-)initialize the whole
- * patch instance.
- *
- * Returns 0 if successful or a negative error code.
- */
-int snd_hda_codec_configure(struct hda_codec *codec)
-{
- int (*patch)(struct hda_codec *) = NULL;
- int err;
-
- codec->preset = find_codec_preset(codec);
- if (!codec->vendor_name || !codec->chip_name) {
- err = get_codec_name(codec);
- if (err < 0)
- return err;
- }
-
- if (!is_generic_config(codec) && codec->preset)
- patch = codec->preset->patch;
- if (!patch) {
- unload_parser(codec); /* to be sure */
- if (is_likely_hdmi_codec(codec)) {
-#if IS_MODULE(CONFIG_SND_HDA_CODEC_HDMI)
- patch = load_parser(codec, snd_hda_parse_hdmi_codec);
-#elif IS_BUILTIN(CONFIG_SND_HDA_CODEC_HDMI)
- patch = snd_hda_parse_hdmi_codec;
-#endif
- }
- if (!patch) {
-#if IS_MODULE(CONFIG_SND_HDA_GENERIC)
- patch = load_parser(codec, snd_hda_parse_generic_codec);
-#elif IS_BUILTIN(CONFIG_SND_HDA_GENERIC)
- patch = snd_hda_parse_generic_codec;
-#endif
- }
- if (!patch) {
- codec_err(codec, "No codec parser is available\n");
- return -ENODEV;
- }
- }
-
- err = patch(codec);
- if (err < 0) {
- unload_parser(codec);
- return err;
- }
-
- /* audio codec should override the mixer name */
- if (codec->afg || !*codec->bus->card->mixername)
- snprintf(codec->bus->card->mixername,
- sizeof(codec->bus->card->mixername),
- "%s %s", codec->vendor_name, codec->chip_name);
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_codec_configure);
-
/* 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,
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);
/* make other inactive cvts with the same stream-tag dirty */
type = get_wcaps_type(get_wcaps(codec, nid));
- list_for_each_entry(c, &codec->bus->codec_list, list) {
+ list_for_each_codec(c, codec->bus) {
for (i = 0; i < c->cvt_setups.used; i++) {
p = snd_array_elem(&c->cvt_setups, i);
if (!p->active && p->stream_tag == stream_tag &&
);
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 */
struct hda_codec *c;
int i;
- list_for_each_entry(c, &codec->bus->codec_list, list) {
+ list_for_each_codec(c, codec->bus) {
for (i = 0; i < c->cvt_setups.used; i++) {
struct hda_cvt_setup *p;
p = snd_array_elem(&c->cvt_setups, i);
int direction)
{
if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
- nid = codec->afg;
+ 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(snd_hda_override_pin_caps);
-/* read or sync the hash value with the current value;
- * call within hash_mutex
- */
-static struct hda_amp_info *
-update_amp_hash(struct hda_codec *codec, hda_nid_t nid, int ch,
- int direction, int index, bool init_only)
-{
- struct hda_amp_info *info;
- unsigned int parm, val = 0;
- bool val_read = false;
-
- retry:
- info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
- if (!info)
- return NULL;
- if (!(info->head.val & INFO_AMP_VOL(ch))) {
- if (!val_read) {
- mutex_unlock(&codec->hash_mutex);
- parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
- parm |= direction == HDA_OUTPUT ?
- AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
- parm |= index;
- val = snd_hda_codec_read(codec, nid, 0,
- AC_VERB_GET_AMP_GAIN_MUTE, parm);
- val &= 0xff;
- val_read = true;
- mutex_lock(&codec->hash_mutex);
- goto retry;
- }
- info->vol[ch] = val;
- info->head.val |= INFO_AMP_VOL(ch);
- } else if (init_only)
- return NULL;
- return info;
-}
-
-/*
- * write the current volume in info to the h/w
- */
-static void put_vol_mute(struct hda_codec *codec, unsigned int amp_caps,
- hda_nid_t nid, int ch, int direction, int index,
- int val)
-{
- u32 parm;
-
- parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
- parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
- parm |= index << AC_AMP_SET_INDEX_SHIFT;
- if ((val & HDA_AMP_MUTE) && !(amp_caps & AC_AMPCAP_MUTE) &&
- (amp_caps & AC_AMPCAP_MIN_MUTE))
- ; /* set the zero value as a fake mute */
- else
- parm |= val;
- snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
-}
-
-/**
- * snd_hda_codec_amp_read - Read AMP value
- * @codec: HD-audio codec
- * @nid: NID to read the AMP value
- * @ch: channel (left=0 or right=1)
- * @direction: #HDA_INPUT or #HDA_OUTPUT
- * @index: the index value (only for input direction)
- *
- * Read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
- */
-int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
- int direction, int index)
-{
- struct hda_amp_info *info;
- unsigned int val = 0;
-
- mutex_lock(&codec->hash_mutex);
- info = update_amp_hash(codec, nid, ch, direction, index, false);
- if (info)
- val = info->vol[ch];
- mutex_unlock(&codec->hash_mutex);
- return val;
-}
-EXPORT_SYMBOL_GPL(snd_hda_codec_amp_read);
-
-static int codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
- int direction, int idx, int mask, int val,
- bool init_only, bool cache_only)
-{
- struct hda_amp_info *info;
- unsigned int caps;
-
- if (snd_BUG_ON(mask & ~0xff))
- mask &= 0xff;
- val &= mask;
-
- mutex_lock(&codec->hash_mutex);
- info = update_amp_hash(codec, nid, ch, direction, idx, init_only);
- if (!info) {
- mutex_unlock(&codec->hash_mutex);
- return 0;
- }
- val |= info->vol[ch] & ~mask;
- if (info->vol[ch] == val) {
- mutex_unlock(&codec->hash_mutex);
- return 0;
- }
- info->vol[ch] = val;
- info->head.dirty |= cache_only;
- caps = info->amp_caps;
- mutex_unlock(&codec->hash_mutex);
- if (!cache_only)
- put_vol_mute(codec, caps, nid, ch, direction, idx, val);
- return 1;
-}
-
-/**
- * snd_hda_codec_amp_update - update the AMP value
- * @codec: HD-audio codec
- * @nid: NID to read the AMP value
- * @ch: channel (left=0 or right=1)
- * @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 value with a bit mask.
- * Returns 0 if the value is unchanged, 1 if changed.
- */
-int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
- int direction, int idx, int mask, int val)
-{
- return codec_amp_update(codec, nid, ch, direction, idx, mask, val,
- false, codec->cached_write);
-}
-EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
-
/**
* snd_hda_codec_amp_stereo - update the AMP stereo values
* @codec: HD-audio codec
int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
int dir, int idx, int mask, int val)
{
- return codec_amp_update(codec, nid, ch, dir, idx, mask, val, true,
- codec->cached_write);
+ int orig;
+
+ if (!codec->core.regmap)
+ return -EINVAL;
+ regcache_cache_only(codec->core.regmap, true);
+ orig = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
+ regcache_cache_only(codec->core.regmap, false);
+ if (orig >= 0)
+ return 0;
+ return snd_hda_codec_amp_update(codec, nid, ch, dir, idx, mask, val);
}
EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
}
EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
-/**
- * snd_hda_codec_resume_amp - Resume all AMP commands from the cache
- * @codec: HD-audio codec
- *
- * Resume the all amp commands from the cache.
- */
-void snd_hda_codec_resume_amp(struct hda_codec *codec)
-{
- int i;
-
- mutex_lock(&codec->hash_mutex);
- codec->cached_write = 0;
- for (i = 0; i < codec->amp_cache.buf.used; i++) {
- struct hda_amp_info *buffer;
- u32 key;
- hda_nid_t nid;
- unsigned int idx, dir, ch;
- struct hda_amp_info info;
-
- buffer = snd_array_elem(&codec->amp_cache.buf, i);
- if (!buffer->head.dirty)
- continue;
- buffer->head.dirty = 0;
- info = *buffer;
- key = info.head.key;
- if (!key)
- continue;
- nid = key & 0xff;
- idx = (key >> 16) & 0xff;
- dir = (key >> 24) & 0xff;
- for (ch = 0; ch < 2; ch++) {
- if (!(info.head.val & INFO_AMP_VOL(ch)))
- continue;
- mutex_unlock(&codec->hash_mutex);
- put_vol_mute(codec, info.amp_caps, nid, ch, dir, idx,
- info.vol[ch]);
- mutex_lock(&codec->hash_mutex);
- }
- }
- mutex_unlock(&codec->hash_mutex);
-}
-EXPORT_SYMBOL_GPL(snd_hda_codec_resume_amp);
-
static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
unsigned int ofs)
{
maxval = get_amp_max_value(codec, nid, dir, 0);
if (val > maxval)
val = maxval;
- return codec_amp_update(codec, nid, ch, dir, idx, HDA_AMP_VOLMASK, val,
- false, !hda_codec_is_power_on(codec));
+ return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
+ HDA_AMP_VOLMASK, val);
}
/**
if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
return NULL;
strcpy(id.name, name);
- return snd_ctl_find_id(codec->bus->card, &id);
+ return snd_ctl_find_id(codec->card, &id);
}
/**
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->bus->card, kctl);
+ err = snd_ctl_add(codec->card, kctl);
if (err < 0)
return err;
item = snd_array_new(&codec->mixers);
int i;
struct hda_nid_item *items = codec->mixers.list;
for (i = 0; i < codec->mixers.used; i++)
- snd_ctl_remove(codec->bus->card, items[i].kctl);
+ snd_ctl_remove(codec->card, items[i].kctl);
snd_array_free(&codec->mixers);
snd_array_free(&codec->nids);
}
if (!list_empty(&card->ctl_files))
goto err_clear;
- list_for_each_entry(codec, &bus->codec_list, list) {
- int pcm;
- for (pcm = 0; pcm < codec->num_pcms; pcm++) {
- struct hda_pcm *cpcm = &codec->pcm_info[pcm];
+ 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 ||
{
struct snd_card *card = bus->card;
- card = bus->card;
spin_lock(&card->files_lock);
card->shutdown = 0;
spin_unlock(&card->files_lock);
int snd_hda_codec_reset(struct hda_codec *codec)
{
struct hda_bus *bus = codec->bus;
- struct snd_card *card = bus->card;
- int i;
if (snd_hda_lock_devices(bus) < 0)
return -EBUSY;
/* OK, let it free */
- cancel_delayed_work_sync(&codec->jackpoll_work);
-#ifdef CONFIG_PM
- cancel_delayed_work_sync(&codec->power_work);
- flush_workqueue(bus->workq);
-#endif
- snd_hda_ctls_clear(codec);
- /* release PCMs */
- for (i = 0; i < codec->num_pcms; i++) {
- if (codec->pcm_info[i].pcm) {
- snd_device_free(card, codec->pcm_info[i].pcm);
- clear_bit(codec->pcm_info[i].device,
- bus->pcm_dev_bits);
- }
- }
- snd_hda_detach_beep_device(codec);
- if (codec->patch_ops.free)
- codec->patch_ops.free(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_hda_cache(&codec->amp_cache);
- free_hda_cache(&codec->cmd_cache);
- init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
- init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
- /* 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->num_pcms = 0;
- codec->pcm_info = NULL;
- codec->preset = NULL;
- codec->slave_dig_outs = NULL;
- codec->spdif_status_reset = 0;
- unload_parser(codec);
- module_put(codec->owner);
- codec->owner = NULL;
+ snd_hdac_device_unregister(&codec->core);
/* allow device access again */
snd_hda_unlock_devices(bus);
int change = 0;
if (chs & 1) {
- change = codec_amp_update(codec, nid, 0, dir, idx,
- HDA_AMP_MUTE,
- *valp ? 0 : HDA_AMP_MUTE, false,
- !hda_codec_is_power_on(codec));
+ change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
+ HDA_AMP_MUTE,
+ *valp ? 0 : HDA_AMP_MUTE);
valp++;
}
if (chs & 2)
- change |= codec_amp_update(codec, nid, 1, dir, idx,
- HDA_AMP_MUTE,
- *valp ? 0 : HDA_AMP_MUTE, false,
- !hda_codec_is_power_on(codec));
+ 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;
}
verb = verb | (parm >> 8);
parm &= 0xff;
key = build_cmd_cache_key(nid, verb);
- mutex_lock(&codec->bus->cmd_mutex);
+ mutex_lock(&codec->bus->core.cmd_mutex);
c = get_alloc_hash(&codec->cmd_cache, key);
if (c) {
c->val = parm;
c->dirty = cache_only;
}
- mutex_unlock(&codec->bus->cmd_mutex);
+ mutex_unlock(&codec->bus->core.cmd_mutex);
return 0;
}
EXPORT_SYMBOL_GPL(snd_hda_codec_write_cache);
verb = verb | (parm >> 8);
parm &= 0xff;
key = build_cmd_cache_key(nid, verb);
- mutex_lock(&codec->bus->cmd_mutex);
+ mutex_lock(&codec->bus->core.cmd_mutex);
c = get_hash(&codec->cmd_cache, key);
if (c && c->val == parm) {
- mutex_unlock(&codec->bus->cmd_mutex);
+ mutex_unlock(&codec->bus->core.cmd_mutex);
return 0;
}
- mutex_unlock(&codec->bus->cmd_mutex);
+ mutex_unlock(&codec->bus->core.cmd_mutex);
return snd_hda_codec_write_cache(codec, nid, flags, verb, parm);
}
EXPORT_SYMBOL_GPL(snd_hda_codec_update_cache);
*/
void snd_hda_codec_flush_cache(struct hda_codec *codec)
{
- snd_hda_codec_resume_amp(codec);
+ if (codec->core.regmap)
+ regcache_sync(codec->core.regmap);
snd_hda_codec_resume_cache(codec);
}
EXPORT_SYMBOL_GPL(snd_hda_codec_flush_cache);
void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
unsigned int power_state)
{
- hda_nid_t nid = codec->start_nid;
- int i;
+ hda_nid_t nid;
- for (i = 0; i < codec->num_nodes; i++, 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))
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);
-
-/*
- * supported power states check
- */
-static bool snd_hda_codec_get_supported_ps(struct hda_codec *codec, hda_nid_t fg,
- unsigned int power_state)
-{
- int sup = snd_hda_param_read(codec, fg, AC_PAR_POWER_STATE);
-
- if (sup == -1)
- return false;
- if (sup & power_state)
- return true;
- else
- return false;
+ snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
+ state);
+ }
}
+EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
/*
* wait until the state is reached, returns the current state
hda_nid_t nid,
unsigned int power_state)
{
- if (nid == codec->afg || nid == codec->mfg)
+ 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 &&
static unsigned int hda_set_power_state(struct hda_codec *codec,
unsigned int power_state)
{
- hda_nid_t fg = codec->afg ? codec->afg : codec->mfg;
+ 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->epss ? 10 : 100);
+ msleep(codec_has_epss(codec) ? 10 : 100);
else if (codec->depop_delay > 0)
msleep(codec->depop_delay);
flags = HDA_RW_NO_RESPONSE_FALLBACK;
*/
static void sync_power_up_states(struct hda_codec *codec)
{
- hda_nid_t nid = codec->start_nid;
- int i;
+ hda_nid_t nid;
/* don't care if no filter is used */
if (!codec->power_filter)
return;
- for (i = 0; i < codec->num_nodes; i++, nid++) {
+ for_each_hda_codec_node(nid, codec) {
unsigned int wcaps = get_wcaps(codec, nid);
unsigned int target;
if (!(wcaps & AC_WCAP_POWER))
#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, bool in_wq)
+static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
{
unsigned int state;
- codec->in_pm = 1;
+ atomic_inc(&codec->core.in_pm);
if (codec->patch_ops.suspend)
codec->patch_ops.suspend(codec);
hda_cleanup_all_streams(codec);
state = hda_set_power_state(codec, AC_PWRST_D3);
- /* Cancel delayed work if we aren't currently running from it. */
- if (!in_wq)
- cancel_delayed_work_sync(&codec->power_work);
- spin_lock(&codec->power_lock);
- snd_hda_update_power_acct(codec);
- trace_hda_power_down(codec);
- codec->power_on = 0;
- codec->power_transition = 0;
- codec->power_jiffies = jiffies;
- spin_unlock(&codec->power_lock);
- codec->in_pm = 0;
+ update_power_acct(codec, true);
+ atomic_dec(&codec->core.in_pm);
return state;
}
*/
static void hda_call_codec_resume(struct hda_codec *codec)
{
- codec->in_pm = 1;
+ atomic_inc(&codec->core.in_pm);
+
+ if (codec->core.regmap)
+ regcache_mark_dirty(codec->core.regmap);
hda_mark_cmd_cache_dirty(codec);
- /* set as if powered on for avoiding re-entering the resume
- * in the resume / power-save sequence
- */
- hda_keep_power_on(codec);
+ codec->power_jiffies = jiffies;
+
hda_set_power_state(codec, AC_PWRST_D0);
restore_shutup_pins(codec);
hda_exec_init_verbs(codec);
else {
if (codec->patch_ops.init)
codec->patch_ops.init(codec);
- snd_hda_codec_resume_amp(codec);
+ if (codec->core.regmap)
+ regcache_sync(codec->core.regmap);
snd_hda_codec_resume_cache(codec);
}
hda_jackpoll_work(&codec->jackpoll_work.work);
else
snd_hda_jack_report_sync(codec);
-
- codec->in_pm = 0;
- snd_hda_power_down(codec); /* flag down before returning */
+ atomic_dec(&codec->core.in_pm);
}
-#endif /* CONFIG_PM */
+static int hda_codec_runtime_suspend(struct device *dev)
+{
+ struct hda_codec *codec = dev_to_hda_codec(dev);
+ struct hda_pcm *pcm;
+ unsigned int state;
-/**
- * snd_hda_build_controls - build mixer controls
- * @bus: the BUS
- *
- * Creates mixer controls for each codec included in the bus.
- *
- * Returns 0 if successful, otherwise a negative error code.
- */
-int snd_hda_build_controls(struct hda_bus *bus)
+ cancel_delayed_work_sync(&codec->jackpoll_work);
+ list_for_each_entry(pcm, &codec->pcm_list_head, list)
+ snd_pcm_suspend_all(pcm->pcm);
+ state = hda_call_codec_suspend(codec);
+ if (codec_has_clkstop(codec) && codec_has_epss(codec) &&
+ (state & AC_PWRST_CLK_STOP_OK))
+ snd_hdac_codec_link_down(&codec->core);
+ return 0;
+}
+
+static int hda_codec_runtime_resume(struct device *dev)
{
- struct hda_codec *codec;
+ struct hda_codec *codec = dev_to_hda_codec(dev);
- list_for_each_entry(codec, &bus->codec_list, list) {
- int err = snd_hda_codec_build_controls(codec);
- if (err < 0) {
- codec_err(codec,
- "cannot build controls for #%d (error %d)\n",
- codec->addr, err);
- err = snd_hda_codec_reset(codec);
- if (err < 0) {
- codec_err(codec,
- "cannot revert codec\n");
- return err;
- }
- }
- }
+ snd_hdac_codec_link_up(&codec->core);
+ hda_call_codec_resume(codec);
+ pm_runtime_mark_last_busy(dev);
return 0;
}
-EXPORT_SYMBOL_GPL(snd_hda_build_controls);
+#endif /* CONFIG_PM */
+
+/* referred in hda_bind.c */
+const struct dev_pm_ops hda_codec_driver_pm = {
+ SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+ pm_runtime_force_resume)
+ SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
+ NULL)
+};
/*
* add standard channel maps if not specified
*/
static int add_std_chmaps(struct hda_codec *codec)
{
- int i, str, err;
+ struct hda_pcm *pcm;
+ int str, err;
- for (i = 0; i < codec->num_pcms; i++) {
+ list_for_each_entry(pcm, &codec->pcm_list_head, list) {
for (str = 0; str < 2; str++) {
- struct snd_pcm *pcm = codec->pcm_info[i].pcm;
- struct hda_pcm_stream *hinfo =
- &codec->pcm_info[i].stream[str];
+ struct hda_pcm_stream *hinfo = &pcm->stream[str];
struct snd_pcm_chmap *chmap;
const struct snd_pcm_chmap_elem *elem;
- if (codec->pcm_info[i].own_chmap)
+ if (pcm->own_chmap)
continue;
if (!pcm || !hinfo->substreams)
continue;
elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
- err = snd_pcm_add_chmap_ctls(pcm, str, elem,
+ err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
hinfo->channels_max,
0, &chmap);
if (err < 0)
int dir)
{
unsigned int val = 0;
- if (nid != codec->afg &&
+ if (nid != codec->core.afg &&
(get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD))
val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
if (!val || val == -1)
- val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
+ val = snd_hda_param_read(codec, codec->core.afg, AC_PAR_PCM);
if (!val || val == -1)
return 0;
return val;
{
unsigned int streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
if (!streams || streams == -1)
- streams = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
+ streams = snd_hda_param_read(codec, codec->core.afg, AC_PAR_STREAM);
if (!streams || streams == -1)
return 0;
return streams;
{
int ret;
mutex_lock(&codec->bus->prepare_mutex);
- ret = hinfo->ops.prepare(hinfo, codec, stream, format, substream);
+ if (hinfo->ops.prepare)
+ ret = hinfo->ops.prepare(hinfo, codec, stream, format,
+ substream);
+ else
+ ret = -ENODEV;
if (ret >= 0)
purify_inactive_streams(codec);
mutex_unlock(&codec->bus->prepare_mutex);
struct snd_pcm_substream *substream)
{
mutex_lock(&codec->bus->prepare_mutex);
- hinfo->ops.cleanup(hinfo, codec, substream);
+ if (hinfo->ops.cleanup)
+ hinfo->ops.cleanup(hinfo, codec, substream);
mutex_unlock(&codec->bus->prepare_mutex);
}
EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
return -EAGAIN;
}
-/*
- * attach a new PCM stream
- */
-static int snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
+/* call build_pcms ops of the given codec and set up the default parameters */
+int snd_hda_codec_parse_pcms(struct hda_codec *codec)
{
- struct hda_bus *bus = codec->bus;
- struct hda_pcm_stream *info;
- int stream, err;
+ struct hda_pcm *cpcm;
+ int err;
- if (snd_BUG_ON(!pcm->name))
- return -EINVAL;
- for (stream = 0; stream < 2; stream++) {
- info = &pcm->stream[stream];
- if (info->substreams) {
+ if (!list_empty(&codec->pcm_list_head))
+ return 0; /* already parsed */
+
+ if (!codec->patch_ops.build_pcms)
+ return 0;
+
+ err = codec->patch_ops.build_pcms(codec);
+ if (err < 0) {
+ codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
+ codec->core.addr, err);
+ return err;
+ }
+
+ list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
+ int stream;
+
+ for (stream = 0; stream < 2; stream++) {
+ struct hda_pcm_stream *info = &cpcm->stream[stream];
+
+ if (!info->substreams)
+ continue;
err = set_pcm_default_values(codec, info);
- if (err < 0)
+ if (err < 0) {
+ codec_warn(codec,
+ "fail to setup default for PCM %s\n",
+ cpcm->name);
return err;
+ }
}
}
- return bus->ops.attach_pcm(bus, codec, pcm);
+
+ return 0;
}
/* assign all PCMs of the given codec */
int snd_hda_codec_build_pcms(struct hda_codec *codec)
{
- unsigned int pcm;
- int err;
+ struct hda_bus *bus = codec->bus;
+ struct hda_pcm *cpcm;
+ int dev, err;
- if (!codec->num_pcms) {
- if (!codec->patch_ops.build_pcms)
- return 0;
- err = codec->patch_ops.build_pcms(codec);
- if (err < 0) {
- codec_err(codec,
- "cannot build PCMs for #%d (error %d)\n",
- codec->addr, err);
- err = snd_hda_codec_reset(codec);
- if (err < 0) {
- codec_err(codec,
- "cannot revert codec\n");
- return err;
- }
- }
+ if (snd_BUG_ON(!bus->ops.attach_pcm))
+ return -EINVAL;
+
+ err = snd_hda_codec_parse_pcms(codec);
+ if (err < 0) {
+ snd_hda_codec_reset(codec);
+ return err;
}
- for (pcm = 0; pcm < codec->num_pcms; pcm++) {
- struct hda_pcm *cpcm = &codec->pcm_info[pcm];
- int dev;
+ /* attach a new PCM streams */
+ list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
+ if (cpcm->pcm)
+ continue; /* already attached */
if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
continue; /* no substreams assigned */
- if (!cpcm->pcm) {
- dev = get_empty_pcm_device(codec->bus, cpcm->pcm_type);
- if (dev < 0)
- continue; /* no fatal error */
- cpcm->device = dev;
- err = snd_hda_attach_pcm(codec, cpcm);
- if (err < 0) {
- codec_err(codec,
- "cannot attach PCM stream %d for codec #%d\n",
- dev, codec->addr);
- continue; /* no fatal error */
- }
+ dev = get_empty_pcm_device(bus, cpcm->pcm_type);
+ if (dev < 0)
+ continue; /* no fatal error */
+ cpcm->device = dev;
+ err = bus->ops.attach_pcm(bus, codec, cpcm);
+ if (err < 0) {
+ codec_err(codec,
+ "cannot attach PCM stream %d for codec #%d\n",
+ dev, codec->core.addr);
+ continue; /* no fatal error */
}
}
- return 0;
-}
-
-/**
- * snd_hda_build_pcms - build PCM information
- * @bus: the BUS
- *
- * Create PCM information for each codec included in the bus.
- *
- * The build_pcms codec patch is requested to set up codec->num_pcms and
- * codec->pcm_info properly. The array is referred by the top-level driver
- * to create its PCM instances.
- * The allocated codec->pcm_info should be released in codec->patch_ops.free
- * callback.
- *
- * At least, substreams, channels_min and channels_max must be filled for
- * each stream. substreams = 0 indicates that the stream doesn't exist.
- * When rates and/or formats are zero, the supported values are queried
- * from the given nid. The nid is used also by the default ops.prepare
- * and ops.cleanup callbacks.
- *
- * The driver needs to call ops.open in its open callback. Similarly,
- * ops.close is supposed to be called in the close callback.
- * ops.prepare should be called in the prepare or hw_params callback
- * with the proper parameters for set up.
- * ops.cleanup should be called in hw_free for clean up of streams.
- *
- * This function returns 0 if successful, or a negative error code.
- */
-int snd_hda_build_pcms(struct hda_bus *bus)
-{
- struct hda_codec *codec;
- list_for_each_entry(codec, &bus->codec_list, list) {
- int err = snd_hda_codec_build_pcms(codec);
- if (err < 0)
- return err;
- }
return 0;
}
-EXPORT_SYMBOL_GPL(snd_hda_build_pcms);
/**
* snd_hda_add_new_ctls - create controls from the array
* the codec addr; if it still fails (or it's the
* primary codec), then try another control index
*/
- if (!addr && codec->addr)
- addr = codec->addr;
+ if (!addr && codec->core.addr)
+ addr = codec->core.addr;
else if (!idx && !knew->index) {
idx = find_empty_mixer_ctl_idx(codec,
knew->name, 0);
EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
#ifdef CONFIG_PM
-static void hda_power_work(struct work_struct *work)
-{
- struct hda_codec *codec =
- container_of(work, struct hda_codec, power_work.work);
- struct hda_bus *bus = codec->bus;
- unsigned int state;
-
- spin_lock(&codec->power_lock);
- if (codec->power_transition > 0) { /* during power-up sequence? */
- spin_unlock(&codec->power_lock);
- return;
- }
- if (!codec->power_on || codec->power_count) {
- codec->power_transition = 0;
- spin_unlock(&codec->power_lock);
- return;
- }
- spin_unlock(&codec->power_lock);
-
- state = hda_call_codec_suspend(codec, true);
- if (!bus->power_keep_link_on && (state & AC_PWRST_CLK_STOP_OK))
- hda_call_pm_notify(codec, false);
-}
-
-static void hda_keep_power_on(struct hda_codec *codec)
-{
- spin_lock(&codec->power_lock);
- codec->power_count++;
- codec->power_on = 1;
- codec->power_jiffies = jiffies;
- spin_unlock(&codec->power_lock);
- hda_call_pm_notify(codec, true);
-}
-
-/* update the power on/off account with the current jiffies */
-void snd_hda_update_power_acct(struct hda_codec *codec)
-{
- unsigned long delta = jiffies - codec->power_jiffies;
- if (codec->power_on)
- codec->power_on_acct += delta;
- else
- codec->power_off_acct += delta;
- codec->power_jiffies += delta;
-}
-
-/* Transition to powered up, if wait_power_down then wait for a pending
- * transition to D3 to complete. A pending D3 transition is indicated
- * with power_transition == -1. */
-/* call this with codec->power_lock held! */
-static void __snd_hda_power_up(struct hda_codec *codec, bool wait_power_down)
-{
- /* Return if power_on or transitioning to power_on, unless currently
- * powering down. */
- if ((codec->power_on || codec->power_transition > 0) &&
- !(wait_power_down && codec->power_transition < 0))
- return;
- spin_unlock(&codec->power_lock);
-
- cancel_delayed_work_sync(&codec->power_work);
-
- spin_lock(&codec->power_lock);
- /* If the power down delayed work was cancelled above before starting,
- * then there is no need to go through power up here.
- */
- if (codec->power_on) {
- if (codec->power_transition < 0)
- codec->power_transition = 0;
- return;
- }
-
- trace_hda_power_up(codec);
- snd_hda_update_power_acct(codec);
- codec->power_on = 1;
- codec->power_jiffies = jiffies;
- codec->power_transition = 1; /* avoid reentrance */
- spin_unlock(&codec->power_lock);
-
- hda_call_codec_resume(codec);
-
- spin_lock(&codec->power_lock);
- codec->power_transition = 0;
-}
-
-#define power_save(codec) \
- ((codec)->bus->power_save ? *(codec)->bus->power_save : 0)
-
-/* Transition to powered down */
-static void __snd_hda_power_down(struct hda_codec *codec)
+static void codec_set_power_save(struct hda_codec *codec, int delay)
{
- if (!codec->power_on || codec->power_count || codec->power_transition)
- return;
+ struct device *dev = hda_codec_dev(codec);
- if (power_save(codec)) {
- codec->power_transition = -1; /* avoid reentrance */
- queue_delayed_work(codec->bus->workq, &codec->power_work,
- msecs_to_jiffies(power_save(codec) * 1000));
+ if (delay > 0) {
+ pm_runtime_set_autosuspend_delay(dev, delay);
+ pm_runtime_use_autosuspend(dev);
+ pm_runtime_allow(dev);
+ if (!pm_runtime_suspended(dev))
+ pm_runtime_mark_last_busy(dev);
+ } else {
+ pm_runtime_dont_use_autosuspend(dev);
+ pm_runtime_forbid(dev);
}
}
/**
- * snd_hda_power_save - Power-up/down/sync the codec
- * @codec: HD-audio codec
- * @delta: the counter delta to change
- * @d3wait: sync for D3 transition complete
+ * snd_hda_set_power_save - reprogram autosuspend for the given delay
+ * @bus: HD-audio bus
+ * @delay: autosuspend delay in msec, 0 = off
*
- * Change the power-up counter via @delta, and power up or down the hardware
- * appropriately. For the power-down, queue to the delayed action.
- * Passing zero to @delta means to synchronize the power state.
+ * Synchronize the runtime PM autosuspend state from the power_save option.
*/
-void snd_hda_power_save(struct hda_codec *codec, int delta, bool d3wait)
+void snd_hda_set_power_save(struct hda_bus *bus, int delay)
{
- spin_lock(&codec->power_lock);
- codec->power_count += delta;
- trace_hda_power_count(codec);
- if (delta > 0)
- __snd_hda_power_up(codec, d3wait);
- else
- __snd_hda_power_down(codec);
- spin_unlock(&codec->power_lock);
+ struct hda_codec *c;
+
+ list_for_each_codec(c, bus)
+ codec_set_power_save(c, delay);
}
-EXPORT_SYMBOL_GPL(snd_hda_power_save);
+EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
/**
* snd_hda_check_amp_list_power - Check the amp list and update the power
EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
#endif
-/*
- * Channel mode helper
- */
-
-/**
- * snd_hda_ch_mode_info - Info callback helper for the channel mode enum
- * @codec: the HDA codec
- * @uinfo: pointer to get/store the data
- * @chmode: channel mode array
- * @num_chmodes: channel mode array size
- */
-int snd_hda_ch_mode_info(struct hda_codec *codec,
- struct snd_ctl_elem_info *uinfo,
- const struct hda_channel_mode *chmode,
- int num_chmodes)
-{
- uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
- uinfo->count = 1;
- uinfo->value.enumerated.items = num_chmodes;
- if (uinfo->value.enumerated.item >= num_chmodes)
- uinfo->value.enumerated.item = num_chmodes - 1;
- sprintf(uinfo->value.enumerated.name, "%dch",
- chmode[uinfo->value.enumerated.item].channels);
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_ch_mode_info);
-
-/**
- * snd_hda_ch_mode_get - Get callback helper for the channel mode enum
- * @codec: the HDA codec
- * @ucontrol: pointer to get/store the data
- * @chmode: channel mode array
- * @num_chmodes: channel mode array size
- * @max_channels: max number of channels
- */
-int snd_hda_ch_mode_get(struct hda_codec *codec,
- struct snd_ctl_elem_value *ucontrol,
- const struct hda_channel_mode *chmode,
- int num_chmodes,
- int max_channels)
-{
- int i;
-
- for (i = 0; i < num_chmodes; i++) {
- if (max_channels == chmode[i].channels) {
- ucontrol->value.enumerated.item[0] = i;
- break;
- }
- }
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_ch_mode_get);
-
-/**
- * snd_hda_ch_mode_put - Put callback helper for the channel mode enum
- * @codec: the HDA codec
- * @ucontrol: pointer to get/store the data
- * @chmode: channel mode array
- * @num_chmodes: channel mode array size
- * @max_channelsp: pointer to store the max channels
- */
-int snd_hda_ch_mode_put(struct hda_codec *codec,
- struct snd_ctl_elem_value *ucontrol,
- const struct hda_channel_mode *chmode,
- int num_chmodes,
- int *max_channelsp)
-{
- unsigned int mode;
-
- mode = ucontrol->value.enumerated.item[0];
- if (mode >= num_chmodes)
- return -EINVAL;
- if (*max_channelsp == chmode[mode].channels)
- return 0;
- /* change the current channel setting */
- *max_channelsp = chmode[mode].channels;
- if (chmode[mode].sequence)
- snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
- return 1;
-}
-EXPORT_SYMBOL_GPL(snd_hda_ch_mode_put);
-
/*
* input MUX helper
*/
}
}
-/**
- * snd_hda_bus_reboot_notify - call the reboot notifier of each codec
- * @bus: HD-audio bus
- */
-void snd_hda_bus_reboot_notify(struct hda_bus *bus)
-{
- struct hda_codec *codec;
-
- if (!bus)
- return;
- list_for_each_entry(codec, &bus->codec_list, list) {
- if (hda_codec_is_power_on(codec) &&
- codec->patch_ops.reboot_notify)
- codec->patch_ops.reboot_notify(codec);
- }
-}
-EXPORT_SYMBOL_GPL(snd_hda_bus_reboot_notify);
-
/**
* snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
* @codec: the HDA codec
}
EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
-
-#ifdef CONFIG_PM
-/*
- * power management
- */
-
-
-static void hda_async_suspend(void *data, async_cookie_t cookie)
-{
- hda_call_codec_suspend(data, false);
-}
-
-static void hda_async_resume(void *data, async_cookie_t cookie)
-{
- hda_call_codec_resume(data);
-}
-
/**
- * snd_hda_suspend - suspend the codecs
- * @bus: the HDA bus
- *
- * Returns 0 if successful.
+ * snd_hda_bus_reset - Reset the bus
+ * @bus: HD-audio bus
*/
-int snd_hda_suspend(struct hda_bus *bus)
+void snd_hda_bus_reset(struct hda_bus *bus)
{
struct hda_codec *codec;
- ASYNC_DOMAIN_EXCLUSIVE(domain);
- list_for_each_entry(codec, &bus->codec_list, list) {
+ list_for_each_codec(codec, bus) {
+ /* FIXME: maybe a better way needed for forced reset */
cancel_delayed_work_sync(&codec->jackpoll_work);
+#ifdef CONFIG_PM
if (hda_codec_is_power_on(codec)) {
- if (bus->num_codecs > 1)
- async_schedule_domain(hda_async_suspend, codec,
- &domain);
- else
- hda_call_codec_suspend(codec, false);
- }
- }
-
- if (bus->num_codecs > 1)
- async_synchronize_full_domain(&domain);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_suspend);
-
-/**
- * snd_hda_resume - resume the codecs
- * @bus: the HDA bus
- *
- * Returns 0 if successful.
- */
-int snd_hda_resume(struct hda_bus *bus)
-{
- struct hda_codec *codec;
- ASYNC_DOMAIN_EXCLUSIVE(domain);
-
- list_for_each_entry(codec, &bus->codec_list, list) {
- if (bus->num_codecs > 1)
- async_schedule_domain(hda_async_resume, codec, &domain);
- else
+ hda_call_codec_suspend(codec);
hda_call_codec_resume(codec);
+ }
+#endif
}
-
- if (bus->num_codecs > 1)
- async_synchronize_full_domain(&domain);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_resume);
-#endif /* CONFIG_PM */
-
-/*
- * generic arrays
- */
-
-/**
- * snd_array_new - get a new element from the given array
- * @array: the array object
- *
- * Get a new element from the given array. If it exceeds the
- * pre-allocated array size, re-allocate the array.
- *
- * Returns NULL if allocation failed.
- */
-void *snd_array_new(struct snd_array *array)
-{
- if (snd_BUG_ON(!array->elem_size))
- return NULL;
- if (array->used >= array->alloced) {
- int num = array->alloced + array->alloc_align;
- int size = (num + 1) * array->elem_size;
- void *nlist;
- if (snd_BUG_ON(num >= 4096))
- return NULL;
- nlist = krealloc(array->list, size, GFP_KERNEL | __GFP_ZERO);
- if (!nlist)
- return NULL;
- array->list = nlist;
- array->alloced = num;
- }
- return snd_array_elem(array, array->used++);
-}
-EXPORT_SYMBOL_GPL(snd_array_new);
-
-/**
- * snd_array_free - free the given array elements
- * @array: the array object
- */
-void snd_array_free(struct snd_array *array)
-{
- kfree(array->list);
- array->used = 0;
- array->alloced = 0;
- array->list = NULL;
}
-EXPORT_SYMBOL_GPL(snd_array_free);
+EXPORT_SYMBOL_GPL(snd_hda_bus_reset);
/**
* snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
projects / karo-tx-linux.git / blobdiff