diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/hda/hda_codec.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/hda/hda_codec.c | 5548 |
1 files changed, 5548 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/sound/pci/hda/hda_codec.c b/ANDROID_3.4.5/sound/pci/hda/hda_codec.c new file mode 100644 index 00000000..926b4553 --- /dev/null +++ b/ANDROID_3.4.5/sound/pci/hda/hda_codec.c @@ -0,0 +1,5548 @@ +/* + * Universal Interface for Intel High Definition Audio Codec + * + * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> + * + * + * This driver is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This driver is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/mm.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/pci.h> +#include <linux/mutex.h> +#include <linux/module.h> +#include <sound/core.h> +#include "hda_codec.h" +#include <sound/asoundef.h> +#include <sound/tlv.h> +#include <sound/initval.h> +#include <sound/jack.h> +#include "hda_local.h" +#include "hda_beep.h" +#include "hda_jack.h" +#include <sound/hda_hwdep.h> + +#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" }, + { 0x434d, "C-Media" }, + { 0x8086, "Intel" }, + { 0x8384, "SigmaTel" }, + {} /* terminator */ +}; + +static DEFINE_MUTEX(preset_mutex); +static LIST_HEAD(hda_preset_tables); + +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_HDA(snd_hda_add_codec_preset); + +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_HDA(snd_hda_delete_codec_preset); + +#ifdef CONFIG_SND_HDA_POWER_SAVE +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) +#else +static inline void hda_keep_power_on(struct hda_codec *codec) {} +#define hda_codec_is_power_on(codec) 1 +#endif + +/** + * snd_hda_get_jack_location - Give a location string of the jack + * @cfg: pin default config value + * + * Parse the pin default config value and returns the string of the + * jack location, e.g. "Rear", "Front", etc. + */ +const char *snd_hda_get_jack_location(u32 cfg) +{ + static char *bases[7] = { + "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom", + }; + static unsigned char specials_idx[] = { + 0x07, 0x08, + 0x17, 0x18, 0x19, + 0x37, 0x38 + }; + static char *specials[] = { + "Rear Panel", "Drive Bar", + "Riser", "HDMI", "ATAPI", + "Mobile-In", "Mobile-Out" + }; + int i; + cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT; + if ((cfg & 0x0f) < 7) + return bases[cfg & 0x0f]; + for (i = 0; i < ARRAY_SIZE(specials_idx); i++) { + if (cfg == specials_idx[i]) + return specials[i]; + } + return "UNKNOWN"; +} +EXPORT_SYMBOL_HDA(snd_hda_get_jack_location); + +/** + * snd_hda_get_jack_connectivity - Give a connectivity string of the jack + * @cfg: pin default config value + * + * Parse the pin default config value and returns the string of the + * jack connectivity, i.e. external or internal connection. + */ +const char *snd_hda_get_jack_connectivity(u32 cfg) +{ + static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" }; + + return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3]; +} +EXPORT_SYMBOL_HDA(snd_hda_get_jack_connectivity); + +/** + * snd_hda_get_jack_type - Give a type string of the jack + * @cfg: pin default config value + * + * Parse the pin default config value and returns the string of the + * jack type, i.e. the purpose of the jack, such as Line-Out or CD. + */ +const char *snd_hda_get_jack_type(u32 cfg) +{ + static char *jack_types[16] = { + "Line Out", "Speaker", "HP Out", "CD", + "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand", + "Line In", "Aux", "Mic", "Telephony", + "SPDIF In", "Digitial In", "Reserved", "Other" + }; + + return jack_types[(cfg & AC_DEFCFG_DEVICE) + >> AC_DEFCFG_DEVICE_SHIFT]; +} +EXPORT_SYMBOL_HDA(snd_hda_get_jack_type); + +/* + * Compose a 32bit command word to be sent to the HD-audio controller + */ +static inline unsigned int +make_codec_cmd(struct hda_codec *codec, hda_nid_t nid, int direct, + unsigned int verb, unsigned int parm) +{ + u32 val; + + if ((codec->addr & ~0xf) || (direct & ~1) || (nid & ~0x7f) || + (verb & ~0xfff) || (parm & ~0xffff)) { + printk(KERN_ERR "hda-codec: out of range cmd %x:%x:%x:%x:%x\n", + codec->addr, direct, nid, verb, parm); + return ~0; + } + + val = (u32)codec->addr << 28; + val |= (u32)direct << 27; + 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, + unsigned int *res) +{ + 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); + trace_hda_send_cmd(codec, cmd); + err = bus->ops.command(bus, cmd); + if (!err && res) { + *res = bus->ops.get_response(bus, codec->addr); + trace_hda_get_response(codec, *res); + } + mutex_unlock(&bus->cmd_mutex); + snd_hda_power_down(codec); + if (res && *res == -1 && bus->rirb_error) { + if (bus->response_reset) { + snd_printd("hda_codec: resetting BUS due to " + "fatal communication error\n"); + trace_hda_bus_reset(bus); + bus->ops.bus_reset(bus); + } + goto again; + } + /* clear reset-flag when the communication gets recovered */ + if (!err) + bus->response_reset = 0; + return err; +} + +/** + * snd_hda_codec_read - send a command and get the response + * @codec: the HDA codec + * @nid: NID to send the command + * @direct: direct flag + * @verb: the verb to send + * @parm: the parameter for the verb + * + * Send a single command and read the corresponding response. + * + * Returns the obtained response value, or -1 for an error. + */ +unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, + int direct, + unsigned int verb, unsigned int parm) +{ + unsigned cmd = make_codec_cmd(codec, nid, direct, verb, parm); + unsigned int res; + if (codec_exec_verb(codec, cmd, &res)) + return -1; + return res; +} +EXPORT_SYMBOL_HDA(snd_hda_codec_read); + +/** + * snd_hda_codec_write - send a single command without waiting for response + * @codec: the HDA codec + * @nid: NID to send the command + * @direct: direct flag + * @verb: the verb to send + * @parm: the parameter for the verb + * + * Send a single command without waiting for response. + * + * Returns 0 if successful, or a negative error code. + */ +int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct, + unsigned int verb, unsigned int parm) +{ + unsigned int cmd = make_codec_cmd(codec, nid, direct, verb, parm); + unsigned int res; + return codec_exec_verb(codec, cmd, + codec->bus->sync_write ? &res : NULL); +} +EXPORT_SYMBOL_HDA(snd_hda_codec_write); + +/** + * 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_HDA(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) + return 0; + *start_id = (parm >> 16) & 0x7fff; + return (int)(parm & 0x7fff); +} +EXPORT_SYMBOL_HDA(snd_hda_get_sub_nodes); + +/* look up the cached results */ +static hda_nid_t *lookup_conn_list(struct snd_array *array, hda_nid_t nid) +{ + int i, len; + for (i = 0; i < array->used; ) { + hda_nid_t *p = snd_array_elem(array, i); + if (nid == *p) + return p; + len = p[1]; + i += len + 2; + } + return NULL; +} + +/** + * 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 list + * of NIDs. + * + * Returns the number of connections, or a negative error code. + */ +int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid, + const hda_nid_t **listp) +{ + struct snd_array *array = &codec->conn_lists; + int len, err; + hda_nid_t list[HDA_MAX_CONNECTIONS]; + hda_nid_t *p; + bool added = false; + + again: + /* if the connection-list is already cached, read it */ + p = lookup_conn_list(array, nid); + if (p) { + if (listp) + *listp = p + 2; + return p[1]; + } + if (snd_BUG_ON(added)) + return -EINVAL; + + /* read the connection and add to the cache */ + len = snd_hda_get_raw_connections(codec, nid, list, HDA_MAX_CONNECTIONS); + if (len < 0) + return len; + err = snd_hda_override_conn_list(codec, nid, len, list); + if (err < 0) + return err; + added = true; + goto again; +} +EXPORT_SYMBOL_HDA(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 + * @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) + return len; + if (len > max_conns) { + snd_printk(KERN_ERR "hda_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_HDA(snd_hda_get_connections); + +/** + * 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; + unsigned int wcaps; + hda_nid_t prev_nid; + + if (snd_BUG_ON(!conn_list || max_conns <= 0)) + return -EINVAL; + + wcaps = get_wcaps(codec, nid); + 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 & 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; + 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) { + snd_printk(KERN_WARNING "hda_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) { + snd_printk(KERN_WARNING "hda_codec: " + "invalid dep_range_val %x:%x\n", + prev_nid, val); + continue; + } + for (n = prev_nid + 1; n <= val; n++) { + if (conns >= max_conns) { + snd_printk(KERN_ERR "hda_codec: " + "Too many connections %d for NID 0x%x\n", + conns, nid); + return -EINVAL; + } + conn_list[conns++] = n; + } + } else { + if (conns >= max_conns) { + snd_printk(KERN_ERR "hda_codec: " + "Too many connections %d for NID 0x%x\n", + conns, nid); + return -EINVAL; + } + conn_list[conns++] = val; + } + prev_nid = val; + } + return conns; +} + +static bool add_conn_list(struct snd_array *array, hda_nid_t nid) +{ + hda_nid_t *p = snd_array_new(array); + if (!p) + return false; + *p = nid; + return true; +} + +/** + * 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 snd_array *array = &codec->conn_lists; + hda_nid_t *p; + int i, old_used; + + p = lookup_conn_list(array, nid); + if (p) + *p = -1; /* invalidate the old entry */ + + old_used = array->used; + if (!add_conn_list(array, nid) || !add_conn_list(array, len)) + goto error_add; + for (i = 0; i < len; i++) + if (!add_conn_list(array, list[i])) + goto error_add; + return 0; + + error_add: + array->used = old_used; + return -ENOMEM; +} +EXPORT_SYMBOL_HDA(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) +{ + hda_nid_t conn[HDA_MAX_NUM_INPUTS]; + int i, nums; + + nums = snd_hda_get_connections(codec, mux, conn, ARRAY_SIZE(conn)); + for (i = 0; i < nums; i++) + if (conn[i] == nid) + return i; + if (!recursive) + return -1; + if (recursive > 5) { + snd_printd("hda_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_HDA(snd_hda_get_conn_index); + +/** + * 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; + + trace_hda_unsol_event(bus, res, res_ex); + unsol = bus->unsol; + if (!unsol) + return 0; + + 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_HDA(snd_hda_queue_unsol_event); + +/* + * process queued unsolicited events + */ +static void process_unsol_events(struct work_struct *work) +{ + struct hda_bus_unsolicited *unsol = + container_of(work, struct hda_bus_unsolicited, work); + struct hda_bus *bus = unsol->bus; + 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); + } +} + +/* + * initialize unsolicited queue + */ +static int init_unsol_queue(struct hda_bus *bus) +{ + struct hda_bus_unsolicited *unsol; + + if (bus->unsol) /* already initialized */ + return 0; + + unsol = kzalloc(sizeof(*unsol), GFP_KERNEL); + if (!unsol) { + snd_printk(KERN_ERR "hda_codec: " + "can't allocate unsolicited queue\n"); + return -ENOMEM; + } + INIT_WORK(&unsol->work, process_unsol_events); + unsol->bus = bus; + bus->unsol = unsol; + return 0; +} + +/* + * destructor + */ +static void snd_hda_codec_free(struct hda_codec *codec); + +static int snd_hda_bus_free(struct hda_bus *bus) +{ + struct hda_codec *codec, *n; + + if (!bus) + return 0; + if (bus->workq) + flush_workqueue(bus->workq); + if (bus->unsol) + kfree(bus->unsol); + list_for_each_entry_safe(codec, n, &bus->codec_list, list) { + snd_hda_codec_free(codec); + } + if (bus->ops.private_free) + bus->ops.private_free(bus); + if (bus->workq) + destroy_workqueue(bus->workq); + kfree(bus); + return 0; +} + +static int snd_hda_bus_dev_free(struct snd_device *device) +{ + struct hda_bus *bus = device->device_data; + bus->shutdown = 1; + return snd_hda_bus_free(bus); +} + +#ifdef CONFIG_SND_HDA_HWDEP +static int snd_hda_bus_dev_register(struct snd_device *device) +{ + struct hda_bus *bus = device->device_data; + struct hda_codec *codec; + list_for_each_entry(codec, &bus->codec_list, list) { + snd_hda_hwdep_add_sysfs(codec); + snd_hda_hwdep_add_power_sysfs(codec); + } + return 0; +} +#else +#define snd_hda_bus_dev_register NULL +#endif + +/** + * snd_hda_bus_new - create a HDA bus + * @card: the card entry + * @temp: the template for hda_bus information + * @busp: the pointer to store the created bus instance + * + * Returns 0 if successful, or a negative error code. + */ +int /*__devinit*/ snd_hda_bus_new(struct snd_card *card, + const struct hda_bus_template *temp, + struct hda_bus **busp) +{ + struct hda_bus *bus; + int err; + static struct snd_device_ops dev_ops = { + .dev_register = snd_hda_bus_dev_register, + .dev_free = snd_hda_bus_dev_free, + }; + + if (snd_BUG_ON(!temp)) + return -EINVAL; + if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response)) + return -EINVAL; + + if (busp) + *busp = NULL; + + bus = kzalloc(sizeof(*bus), GFP_KERNEL); + if (bus == NULL) { + snd_printk(KERN_ERR "can't allocate struct hda_bus\n"); + return -ENOMEM; + } + + bus->card = card; + bus->private_data = temp->private_data; + bus->pci = temp->pci; + bus->modelname = temp->modelname; + bus->power_save = temp->power_save; + bus->ops = temp->ops; + + mutex_init(&bus->cmd_mutex); + mutex_init(&bus->prepare_mutex); + INIT_LIST_HEAD(&bus->codec_list); + + snprintf(bus->workq_name, sizeof(bus->workq_name), + "hd-audio%d", card->number); + bus->workq = create_singlethread_workqueue(bus->workq_name); + if (!bus->workq) { + snd_printk(KERN_ERR "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) { + snd_hda_bus_free(bus); + return err; + } + if (busp) + *busp = bus; + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_bus_new); + +#ifdef 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; + int mod_requested = 0; + + if (is_generic_config(codec)) + return NULL; /* use the generic parser */ + + again: + mutex_lock(&preset_mutex); + list_for_each_entry(tbl, &hda_preset_tables, list) { + if (!try_module_get(tbl->owner)) { + snd_printk(KERN_ERR "hda_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) { + char name[32]; + if (!mod_requested) + snprintf(name, sizeof(name), "snd-hda-codec-id:%08x", + codec->vendor_id); + else + snprintf(name, sizeof(name), "snd-hda-codec-id:%04x*", + (codec->vendor_id >> 16) & 0xffff); + request_module(name); + 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 /*__devinit*/ 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 + */ +static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node) +{ + 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); + 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); + 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; + + for (i = 0; i < codec->num_nodes; i++, nid++) { + 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); + pin->ctrl = snd_hda_codec_read(codec, nid, 0, + AC_VERB_GET_PIN_WIDGET_CONTROL, + 0); + } + return 0; +} + +/* look up the given pin config list and return the item matching with NID */ +static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec, + struct snd_array *array, + hda_nid_t nid) +{ + int i; + for (i = 0; i < array->used; i++) { + struct hda_pincfg *pin = snd_array_elem(array, i); + if (pin->nid == nid) + return pin; + } + return NULL; +} + +/* write a config value for the given NID */ +static void set_pincfg(struct hda_codec *codec, hda_nid_t nid, + unsigned int cfg) +{ + int i; + for (i = 0; i < 4; i++) { + snd_hda_codec_write(codec, nid, 0, + AC_VERB_SET_CONFIG_DEFAULT_BYTES_0 + i, + cfg & 0xff); + cfg >>= 8; + } +} + +/* 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; + unsigned int oldcfg; + + if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN) + return -EINVAL; + + oldcfg = snd_hda_codec_get_pincfg(codec, nid); + pin = look_up_pincfg(codec, list, nid); + if (!pin) { + pin = snd_array_new(list); + if (!pin) + return -ENOMEM; + pin->nid = nid; + } + pin->cfg = cfg; + + /* change only when needed; e.g. if the pincfg is already present + * in user_pins[], don't write it + */ + cfg = snd_hda_codec_get_pincfg(codec, nid); + if (oldcfg != cfg) + set_pincfg(codec, nid, 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_HDA(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_HWDEP + pin = look_up_pincfg(codec, &codec->user_pins, nid); + if (pin) + return pin->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_HDA(snd_hda_codec_get_pincfg); + +/* restore all current pin configs */ +static void restore_pincfgs(struct hda_codec *codec) +{ + int i; + for (i = 0; i < codec->init_pins.used; i++) { + struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i); + set_pincfg(codec, pin->nid, + snd_hda_codec_get_pincfg(codec, pin->nid)); + } +} + +/** + * snd_hda_shutup_pins - Shut up all pins + * @codec: the HDA codec + * + * Clear all pin controls to shup up before suspend for avoiding click noise. + * The controls aren't cached so that they can be resumed properly. + */ +void snd_hda_shutup_pins(struct hda_codec *codec) +{ + int i; + /* don't shut up pins when unloading the driver; otherwise it breaks + * the default pin setup at the next load of the driver + */ + if (codec->bus->shutdown) + return; + for (i = 0; i < codec->init_pins.used; i++) { + struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i); + /* use read here for syncing after issuing each verb */ + snd_hda_codec_read(codec, pin->nid, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, 0); + } + codec->pins_shutup = 1; +} +EXPORT_SYMBOL_HDA(snd_hda_shutup_pins); + +#ifdef CONFIG_PM +/* Restore the pin controls cleared previously via snd_hda_shutup_pins() */ +static void restore_shutup_pins(struct hda_codec *codec) +{ + int i; + if (!codec->pins_shutup) + return; + if (codec->bus->shutdown) + return; + for (i = 0; i < codec->init_pins.used; i++) { + struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i); + snd_hda_codec_write(codec, pin->nid, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, + pin->ctrl); + } + codec->pins_shutup = 0; +} +#endif + +static void init_hda_cache(struct hda_cache_rec *cache, + unsigned int record_size); +static void free_hda_cache(struct hda_cache_rec *cache); + +/* restore the initial pin cfgs and release all pincfg lists */ +static void restore_init_pincfgs(struct hda_codec *codec) +{ + /* first free driver_pins and user_pins, then call restore_pincfg + * so that only the values in init_pins are restored + */ + snd_array_free(&codec->driver_pins); +#ifdef CONFIG_SND_HDA_HWDEP + snd_array_free(&codec->user_pins); +#endif + restore_pincfgs(codec); + snd_array_free(&codec->init_pins); +} + +/* + * audio-converter setup caches + */ +struct hda_cvt_setup { + hda_nid_t nid; + u8 stream_tag; + u8 channel_id; + u16 format_id; + unsigned char active; /* cvt is currently used */ + unsigned char dirty; /* setups should be cleared */ +}; + +/* get or create a cache entry for the given audio converter NID */ +static struct hda_cvt_setup * +get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid) +{ + struct hda_cvt_setup *p; + int i; + + for (i = 0; i < codec->cvt_setups.used; i++) { + p = snd_array_elem(&codec->cvt_setups, i); + if (p->nid == nid) + return p; + } + p = snd_array_new(&codec->cvt_setups); + if (p) + p->nid = nid; + return p; +} + +/* + * codec destructor + */ +static void snd_hda_codec_free(struct hda_codec *codec) +{ + if (!codec) + return; + snd_hda_jack_tbl_clear(codec); + restore_init_pincfgs(codec); +#ifdef CONFIG_SND_HDA_POWER_SAVE + 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); + snd_array_free(&codec->cvt_setups); + snd_array_free(&codec->conn_lists); + snd_array_free(&codec->spdif_out); + codec->bus->caddr_tbl[codec->addr] = NULL; + if (codec->patch_ops.free) + codec->patch_ops.free(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); + kfree(codec); +} + +static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, + unsigned int power_state); + +/** + * snd_hda_codec_new - create a HDA codec + * @bus: the bus to assign + * @codec_addr: the codec address + * @codecp: the pointer to store the generated codec + * + * Returns 0 if successful, or a negative error code. + */ +int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus, + unsigned int codec_addr, + struct hda_codec **codecp) +{ + struct hda_codec *codec; + char component[31]; + int err; + + if (snd_BUG_ON(!bus)) + return -EINVAL; + if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS)) + return -EINVAL; + + if (bus->caddr_tbl[codec_addr]) { + snd_printk(KERN_ERR "hda_codec: " + "address 0x%x is already occupied\n", codec_addr); + return -EBUSY; + } + + codec = kzalloc(sizeof(*codec), GFP_KERNEL); + if (codec == NULL) { + snd_printk(KERN_ERR "can't allocate struct hda_codec\n"); + return -ENOMEM; + } + + codec->bus = bus; + codec->addr = codec_addr; + mutex_init(&codec->spdif_mutex); + mutex_init(&codec->control_mutex); + init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info)); + init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head)); + 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->conn_lists, sizeof(hda_nid_t), 64); + snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16); + if (codec->bus->modelname) { + codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL); + if (!codec->modelname) { + snd_hda_codec_free(codec); + return -ENODEV; + } + } + +#ifdef CONFIG_SND_HDA_POWER_SAVE + 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); +#endif + + list_add_tail(&codec->list, &bus->codec_list); + 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) { + snd_printdd("hda_codec: no AFG or MFG node found\n"); + err = -ENODEV; + goto error; + } + + err = read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg); + if (err < 0) { + snd_printk(KERN_ERR "hda_codec: cannot malloc\n"); + goto error; + } + err = read_pin_defaults(codec); + if (err < 0) + goto error; + + if (!codec->subsystem_id) { + hda_nid_t nid = codec->afg ? codec->afg : codec->mfg; + codec->subsystem_id = + snd_hda_codec_read(codec, nid, 0, + AC_VERB_GET_SUBSYSTEM_ID, 0); + } + + /* power-up all before initialization */ + hda_set_power_state(codec, + codec->afg ? codec->afg : codec->mfg, + AC_PWRST_D0); + + snd_hda_codec_proc_new(codec); + + 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); + + if (codecp) + *codecp = codec; + return 0; + + error: + snd_hda_codec_free(codec); + return err; +} +EXPORT_SYMBOL_HDA(snd_hda_codec_new); + +/** + * 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 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)) { + err = snd_hda_parse_generic_codec(codec); + goto patched; + } + if (codec->preset && codec->preset->patch) { + err = codec->preset->patch(codec); + goto patched; + } + + /* call the default parser */ + err = snd_hda_parse_generic_codec(codec); + if (err < 0) + printk(KERN_ERR "hda-codec: No codec parser is available\n"); + + patched: + if (!err && codec->patch_ops.unsol_event) + err = init_unsol_queue(codec->bus); + /* audio codec should override the mixer name */ + if (!err && (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 err; +} +EXPORT_SYMBOL_HDA(snd_hda_codec_configure); + +/** + * 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; + unsigned int oldval, newval; + int type; + int i; + + if (!nid) + return; + + snd_printdd("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; + /* update the stream-id if changed */ + 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 */ + 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; + } + 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_entry(c, &codec->bus->codec_list, list) { + for (i = 0; i < c->cvt_setups.used; i++) { + p = snd_array_elem(&c->cvt_setups, i); + if (!p->active && p->stream_tag == stream_tag && + get_wcaps_type(get_wcaps(c, p->nid)) == type) + p->dirty = 1; + } + } +} +EXPORT_SYMBOL_HDA(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; + + snd_printdd("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_HDA(__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; +} + +/* clean up the all conflicting obsolete streams */ +static void purify_inactive_streams(struct hda_codec *codec) +{ + struct hda_codec *c; + int i; + + list_for_each_entry(c, &codec->bus->codec_list, list) { + for (i = 0; i < c->cvt_setups.used; i++) { + struct hda_cvt_setup *p; + p = snd_array_elem(&c->cvt_setups, i); + if (p->dirty) + really_cleanup_stream(c, p); + } + } +} + +#ifdef CONFIG_PM +/* clean up all streams; called from suspend */ +static void hda_cleanup_all_streams(struct hda_codec *codec) +{ + int i; + + for (i = 0; i < codec->cvt_setups.used; i++) { + struct hda_cvt_setup *p = snd_array_elem(&codec->cvt_setups, i); + if (p->stream_tag) + really_cleanup_stream(codec, p); + } +} +#endif + +/* + * amp access functions + */ + +/* FIXME: more better hash key? */ +#define HDA_HASH_KEY(nid, dir, idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24)) +#define HDA_HASH_PINCAP_KEY(nid) (u32)((nid) + (0x02 << 24)) +#define HDA_HASH_PARPCM_KEY(nid) (u32)((nid) + (0x03 << 24)) +#define HDA_HASH_PARSTR_KEY(nid) (u32)((nid) + (0x04 << 24)) +#define INFO_AMP_CAPS (1<<0) +#define INFO_AMP_VOL(ch) (1 << (1 + (ch))) + +/* initialize the hash table */ +static void /*__devinit*/ init_hda_cache(struct hda_cache_rec *cache, + unsigned int record_size) +{ + memset(cache, 0, sizeof(*cache)); + memset(cache->hash, 0xff, sizeof(cache->hash)); + snd_array_init(&cache->buf, record_size, 64); +} + +static void free_hda_cache(struct hda_cache_rec *cache) +{ + snd_array_free(&cache->buf); +} + +/* query the hash. allocate an entry if not found. */ +static struct hda_cache_head *get_hash(struct hda_cache_rec *cache, u32 key) +{ + u16 idx = key % (u16)ARRAY_SIZE(cache->hash); + u16 cur = cache->hash[idx]; + struct hda_cache_head *info; + + while (cur != 0xffff) { + info = snd_array_elem(&cache->buf, cur); + if (info->key == key) + return info; + cur = info->next; + } + return NULL; +} + +/* query the hash. allocate an entry if not found. */ +static struct hda_cache_head *get_alloc_hash(struct hda_cache_rec *cache, + u32 key) +{ + struct hda_cache_head *info = get_hash(cache, key); + if (!info) { + u16 idx, cur; + /* add a new hash entry */ + info = snd_array_new(&cache->buf); + if (!info) + return NULL; + cur = snd_array_index(&cache->buf, info); + info->key = key; + info->val = 0; + idx = key % (u16)ARRAY_SIZE(cache->hash); + info->next = cache->hash[idx]; + cache->hash[idx] = cur; + } + return info; +} + +/* query and allocate an amp hash entry */ +static inline struct hda_amp_info * +get_alloc_amp_hash(struct hda_codec *codec, u32 key) +{ + return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key); +} + +/** + * 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) +{ + struct hda_amp_info *info; + + info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0)); + if (!info) + return 0; + if (!(info->head.val & INFO_AMP_CAPS)) { + if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD)) + nid = codec->afg; + info->amp_caps = snd_hda_param_read(codec, nid, + direction == HDA_OUTPUT ? + AC_PAR_AMP_OUT_CAP : + AC_PAR_AMP_IN_CAP); + if (info->amp_caps) + info->head.val |= INFO_AMP_CAPS; + } + return info->amp_caps; +} +EXPORT_SYMBOL_HDA(query_amp_caps); + +/** + * snd_hda_override_amp_caps - Override the AMP capabilities + * @codec: the CODEC to clean up + * @nid: the NID to clean up + * @direction: 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) +{ + struct hda_amp_info *info; + + info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0)); + if (!info) + return -EINVAL; + info->amp_caps = caps; + info->head.val |= INFO_AMP_CAPS; + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_override_amp_caps); + +static unsigned int +query_caps_hash(struct hda_codec *codec, hda_nid_t nid, u32 key, + unsigned int (*func)(struct hda_codec *, hda_nid_t)) +{ + struct hda_amp_info *info; + + info = get_alloc_amp_hash(codec, key); + if (!info) + return 0; + if (!info->head.val) { + info->head.val |= INFO_AMP_CAPS; + info->amp_caps = func(codec, nid); + } + return info->amp_caps; +} + +static unsigned int read_pin_cap(struct hda_codec *codec, hda_nid_t nid) +{ + return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP); +} + +/** + * snd_hda_query_pin_caps - Query PIN capabilities + * @codec: the HD-auio codec + * @nid: the NID to query + * + * Query PIN capabilities for the given widget. + * Returns the obtained capability bits. + * + * When cap bits have been already read, this doesn't read again but + * returns the cached value. + */ +u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid) +{ + return query_caps_hash(codec, nid, HDA_HASH_PINCAP_KEY(nid), + read_pin_cap); +} +EXPORT_SYMBOL_HDA(snd_hda_query_pin_caps); + +/** + * snd_hda_override_pin_caps - Override the pin capabilities + * @codec: the CODEC + * @nid: the NID to override + * @caps: the capability bits to set + * + * Override the cached PIN capabilitiy bits value by the given one. + * + * Returns zero if successful or a negative error code. + */ +int snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid, + unsigned int caps) +{ + struct hda_amp_info *info; + info = get_alloc_amp_hash(codec, HDA_HASH_PINCAP_KEY(nid)); + if (!info) + return -ENOMEM; + info->amp_caps = caps; + info->head.val |= INFO_AMP_CAPS; + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_override_pin_caps); + +/* + * read the current volume to info + * if the cache exists, read the cache value. + */ +static unsigned int get_vol_mute(struct hda_codec *codec, + struct hda_amp_info *info, hda_nid_t nid, + int ch, int direction, int index) +{ + u32 val, parm; + + if (info->head.val & INFO_AMP_VOL(ch)) + return info->vol[ch]; + + 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); + info->vol[ch] = val & 0xff; + info->head.val |= INFO_AMP_VOL(ch); + return info->vol[ch]; +} + +/* + * write the current volume in info to the h/w and update the cache + */ +static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info, + 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) && !(info->amp_caps & AC_AMPCAP_MUTE) && + (info->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); + info->vol[ch] = val; +} + +/** + * 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; + info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index)); + if (!info) + return 0; + return get_vol_mute(codec, info, nid, ch, direction, index); +} +EXPORT_SYMBOL_HDA(snd_hda_codec_amp_read); + +/** + * 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) +{ + struct hda_amp_info *info; + + info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx)); + if (!info) + return 0; + if (snd_BUG_ON(mask & ~0xff)) + mask &= 0xff; + val &= mask; + val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask; + if (info->vol[ch] == val) + return 0; + put_vol_mute(codec, info, nid, ch, direction, idx, val); + return 1; +} +EXPORT_SYMBOL_HDA(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_HDA(snd_hda_codec_amp_stereo); + +#ifdef CONFIG_PM +/** + * 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) +{ + struct hda_amp_info *buffer = codec->amp_cache.buf.list; + int i; + + for (i = 0; i < codec->amp_cache.buf.used; i++, buffer++) { + u32 key = buffer->head.key; + hda_nid_t nid; + unsigned int idx, dir, ch; + if (!key) + continue; + nid = key & 0xff; + idx = (key >> 16) & 0xff; + dir = (key >> 24) & 0xff; + for (ch = 0; ch < 2; ch++) { + if (!(buffer->head.val & INFO_AMP_VOL(ch))) + continue; + put_vol_mute(codec, buffer, nid, ch, dir, idx, + buffer->vol[ch]); + } + } +} +EXPORT_SYMBOL_HDA(snd_hda_codec_resume_amp); +#endif /* CONFIG_PM */ + +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 + * + * 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) { + printk(KERN_WARNING "hda_codec: " + "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid, + kcontrol->id.name); + return -EINVAL; + } + return 0; +} +EXPORT_SYMBOL_HDA(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 + * + * 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_HDA(snd_hda_mixer_amp_volume_get); + +/** + * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume + * + * 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; + + snd_hda_power_up(codec); + 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); + snd_hda_power_down(codec); + return change; +} +EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_put); + +/** + * snd_hda_mixer_amp_volume_put - TLV callback for a standard AMP mixer volume + * + * 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) +{ + 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; + + if (size < 4 * sizeof(unsigned int)) + return -ENOMEM; + 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; + if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv)) + return -EFAULT; + if (put_user(2 * sizeof(unsigned int), _tlv + 1)) + return -EFAULT; + if (put_user(val1, _tlv + 2)) + return -EFAULT; + if (put_user(val2, _tlv + 3)) + return -EFAULT; + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_tlv); + +/** + * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control + * @codec: HD-audio codec + * @nid: NID of a reference widget + * @dir: #HDA_INPUT or #HDA_OUTPUT + * @tlv: TLV data to be stored, at least 4 elements + * + * Set (static) TLV data for a virtual master volume using the AMP caps + * obtained from the reference NID. + * The volume range is recalculated as if the max volume is 0dB. + */ +void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir, + unsigned int *tlv) +{ + u32 caps; + int nums, step; + + caps = query_amp_caps(codec, nid, dir); + nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; + step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT; + step = (step + 1) * 25; + tlv[0] = SNDRV_CTL_TLVT_DB_SCALE; + tlv[1] = 2 * sizeof(unsigned int); + tlv[2] = -nums * step; + tlv[3] = step; +} +EXPORT_SYMBOL_HDA(snd_hda_set_vmaster_tlv); + +/* find a mixer control element with the given name */ +static struct snd_kcontrol * +_snd_hda_find_mixer_ctl(struct hda_codec *codec, + const char *name, int idx) +{ + struct snd_ctl_elem_id id; + memset(&id, 0, sizeof(id)); + id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + id.index = idx; + if (snd_BUG_ON(strlen(name) >= sizeof(id.name))) + return NULL; + strcpy(id.name, name); + return snd_ctl_find_id(codec->bus->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 _snd_hda_find_mixer_ctl(codec, name, 0); +} +EXPORT_SYMBOL_HDA(snd_hda_find_mixer_ctl); + +static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name) +{ + int idx; + for (idx = 0; idx < 16; idx++) { /* 16 ctlrs should be large enough */ + if (!_snd_hda_find_mixer_ctl(codec, name, 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->bus->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_HDA(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; + } + printk(KERN_ERR "hda-codec: no NID for mapping control %s:%d:%d\n", + kctl->id.name, kctl->id.index, index); + return -EINVAL; +} +EXPORT_SYMBOL_HDA(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->bus->card, items[i].kctl); + snd_array_free(&codec->mixers); + snd_array_free(&codec->nids); +} + +/* pseudo device locking + * toggle card->shutdown to allow/disallow the device access (as a hack) + */ +static int hda_lock_devices(struct snd_card *card) +{ + spin_lock(&card->files_lock); + if (card->shutdown) { + spin_unlock(&card->files_lock); + return -EINVAL; + } + card->shutdown = 1; + spin_unlock(&card->files_lock); + return 0; +} + +static void hda_unlock_devices(struct snd_card *card) +{ + spin_lock(&card->files_lock); + card->shutdown = 0; + spin_unlock(&card->files_lock); +} + +/** + * 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 snd_card *card = codec->bus->card; + int i, pcm; + + if (hda_lock_devices(card) < 0) + return -EBUSY; + /* check whether the codec isn't used by any mixer or PCM streams */ + if (!list_empty(&card->ctl_files)) { + hda_unlock_devices(card); + return -EBUSY; + } + for (pcm = 0; pcm < codec->num_pcms; pcm++) { + struct hda_pcm *cpcm = &codec->pcm_info[pcm]; + if (!cpcm->pcm) + continue; + if (cpcm->pcm->streams[0].substream_opened || + cpcm->pcm->streams[1].substream_opened) { + hda_unlock_devices(card); + return -EBUSY; + } + } + + /* OK, let it free */ + +#ifdef CONFIG_SND_HDA_POWER_SAVE + cancel_delayed_work(&codec->power_work); + flush_workqueue(codec->bus->workq); +#endif + snd_hda_ctls_clear(codec); + /* relase 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, + codec->bus->pcm_dev_bits); + } + } + if (codec->patch_ops.free) + codec->patch_ops.free(codec); + 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); + restore_pincfgs(codec); + codec->num_pcms = 0; + codec->pcm_info = NULL; + codec->preset = NULL; + memset(&codec->patch_ops, 0, sizeof(codec->patch_ops)); + codec->slave_dig_outs = NULL; + codec->spdif_status_reset = 0; + module_put(codec->owner); + codec->owner = NULL; + + /* allow device access again */ + hda_unlock_devices(card); + return 0; +} + +typedef int (*map_slave_func_t)(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.name || + 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(data, sctl); + if (err) + return err; + break; + } + } + } + return 0; +} + +static int check_slave_present(void *data, struct snd_kcontrol *sctl) +{ + return 1; +} + +/* guess the value corresponding to 0dB */ +static int get_kctl_0dB_offset(struct snd_kcontrol *kctl) +{ + int _tlv[4]; + const int *tlv = NULL; + int val = -1; + + if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { + /* FIXME: set_fs() hack for obtaining user-space TLV data */ + mm_segment_t fs = get_fs(); + set_fs(get_ds()); + if (!kctl->tlv.c(kctl, 0, sizeof(_tlv), _tlv)) + tlv = _tlv; + set_fs(fs); + } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) + tlv = kctl->tlv.p; + if (tlv && tlv[0] == SNDRV_CTL_TLVT_DB_SCALE) + val = -tlv[2] / tlv[3]; + return val; +} + +/* call kctl->put with the given value(s) */ +static int put_kctl_with_value(struct snd_kcontrol *kctl, int val) +{ + struct snd_ctl_elem_value *ucontrol; + ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL); + if (!ucontrol) + return -ENOMEM; + ucontrol->value.integer.value[0] = val; + ucontrol->value.integer.value[1] = val; + kctl->put(kctl, ucontrol); + kfree(ucontrol); + return 0; +} + +/* initialize the slave volume with 0dB */ +static int init_slave_0dB(void *data, struct snd_kcontrol *slave) +{ + int offset = get_kctl_0dB_offset(slave); + if (offset > 0) + put_kctl_with_value(slave, offset); + return 0; +} + +/* unmute the slave */ +static int init_slave_unmute(void *data, struct snd_kcontrol *slave) +{ + return put_kctl_with_value(slave, 1); +} + +/** + * 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) { + snd_printdd("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, + (map_slave_func_t)snd_ctl_add_slave, kctl); + if (err < 0) + return err; + + /* init with master mute & zero volume */ + put_kctl_with_value(kctl, 0); + if (init_slave_vol) + map_slaves(codec, slaves, suffix, + tlv ? init_slave_0dB : init_slave_unmute, kctl); + + if (ctl_ret) + *ctl_ret = kctl; + return 0; +} +EXPORT_SYMBOL_HDA(__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[] = { + "Off", "On", "Follow Master" + }; + unsigned int index; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = 3; + index = uinfo->value.enumerated.item; + if (index >= 3) + index = 2; + strcpy(uinfo->value.enumerated.name, texts[index]); + return 0; +} + +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 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, +}; + +/* + * Add a mute-LED hook with the given vmaster switch kctl + * "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; + snd_ctl_add_vmaster_hook(hook->sw_kctl, hook->hook, codec); + hook->codec = codec; + hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER; + 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_HDA(snd_hda_add_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; + switch (hook->mute_mode) { + case HDA_VMUTE_FOLLOW_MASTER: + snd_ctl_sync_vmaster_hook(hook->sw_kctl); + break; + default: + hook->hook(hook->codec, hook->mute_mode); + break; + } +} +EXPORT_SYMBOL_HDA(snd_hda_sync_vmaster_hook); + + +/** + * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch + * + * 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_HDA(snd_hda_mixer_amp_switch_info); + +/** + * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch + * + * 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_HDA(snd_hda_mixer_amp_switch_get); + +/** + * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch + * + * 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; + + snd_hda_power_up(codec); + 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); + snd_hda_power_down(codec); + return change; +} +EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_put); + +#ifdef CONFIG_SND_HDA_INPUT_BEEP +/** + * snd_hda_mixer_amp_switch_put_beep - Put callback for a beep AMP switch + * + * This function calls snd_hda_enable_beep_device(), which behaves differently + * depending on beep_mode option. + */ +int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + long *valp = ucontrol->value.integer.value; + + snd_hda_enable_beep_device(codec, *valp); + return snd_hda_mixer_amp_switch_put(kcontrol, ucontrol); +} +EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_put_beep); +#endif /* CONFIG_SND_HDA_INPUT_BEEP */ + +/* + * bound volume controls + * + * bind multiple volumes (# indices, from 0) + */ + +#define AMP_VAL_IDX_SHIFT 19 +#define AMP_VAL_IDX_MASK (0x0f<<19) + +/** + * snd_hda_mixer_bind_switch_get - Get callback for a bound volume control + * + * The control element is supposed to have the private_value field + * set up via HDA_BIND_MUTE*() macros. + */ +int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + unsigned long pval; + int err; + + mutex_lock(&codec->control_mutex); + pval = kcontrol->private_value; + kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */ + err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol); + kcontrol->private_value = pval; + mutex_unlock(&codec->control_mutex); + return err; +} +EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_get); + +/** + * snd_hda_mixer_bind_switch_put - Put callback for a bound volume control + * + * The control element is supposed to have the private_value field + * set up via HDA_BIND_MUTE*() macros. + */ +int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + unsigned long pval; + int i, indices, err = 0, change = 0; + + mutex_lock(&codec->control_mutex); + pval = kcontrol->private_value; + indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT; + for (i = 0; i < indices; i++) { + kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) | + (i << AMP_VAL_IDX_SHIFT); + err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol); + if (err < 0) + break; + change |= err; + } + kcontrol->private_value = pval; + mutex_unlock(&codec->control_mutex); + return err < 0 ? err : change; +} +EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_put); + +/** + * snd_hda_mixer_bind_ctls_info - Info callback for a generic bound control + * + * The control element is supposed to have the private_value field + * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros. + */ +int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct hda_bind_ctls *c; + int err; + + mutex_lock(&codec->control_mutex); + c = (struct hda_bind_ctls *)kcontrol->private_value; + kcontrol->private_value = *c->values; + err = c->ops->info(kcontrol, uinfo); + kcontrol->private_value = (long)c; + mutex_unlock(&codec->control_mutex); + return err; +} +EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_info); + +/** + * snd_hda_mixer_bind_ctls_get - Get callback for a generic bound control + * + * The control element is supposed to have the private_value field + * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros. + */ +int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct hda_bind_ctls *c; + int err; + + mutex_lock(&codec->control_mutex); + c = (struct hda_bind_ctls *)kcontrol->private_value; + kcontrol->private_value = *c->values; + err = c->ops->get(kcontrol, ucontrol); + kcontrol->private_value = (long)c; + mutex_unlock(&codec->control_mutex); + return err; +} +EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_get); + +/** + * snd_hda_mixer_bind_ctls_put - Put callback for a generic bound control + * + * The control element is supposed to have the private_value field + * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros. + */ +int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct hda_bind_ctls *c; + unsigned long *vals; + int err = 0, change = 0; + + mutex_lock(&codec->control_mutex); + c = (struct hda_bind_ctls *)kcontrol->private_value; + for (vals = c->values; *vals; vals++) { + kcontrol->private_value = *vals; + err = c->ops->put(kcontrol, ucontrol); + if (err < 0) + break; + change |= err; + } + kcontrol->private_value = (long)c; + mutex_unlock(&codec->control_mutex); + return err < 0 ? err : change; +} +EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_put); + +/** + * snd_hda_mixer_bind_tlv - TLV callback for a generic bound control + * + * The control element is supposed to have the private_value field + * set up via HDA_BIND_VOL() macro. + */ +int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag, + unsigned int size, unsigned int __user *tlv) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct hda_bind_ctls *c; + int err; + + mutex_lock(&codec->control_mutex); + c = (struct hda_bind_ctls *)kcontrol->private_value; + kcontrol->private_value = *c->values; + err = c->ops->tlv(kcontrol, op_flag, size, tlv); + kcontrol->private_value = (long)c; + mutex_unlock(&codec->control_mutex); + return err; +} +EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_tlv); + +struct hda_ctl_ops snd_hda_bind_vol = { + .info = snd_hda_mixer_amp_volume_info, + .get = snd_hda_mixer_amp_volume_get, + .put = snd_hda_mixer_amp_volume_put, + .tlv = snd_hda_mixer_amp_tlv +}; +EXPORT_SYMBOL_HDA(snd_hda_bind_vol); + +struct hda_ctl_ops snd_hda_bind_sw = { + .info = snd_hda_mixer_amp_switch_info, + .get = snd_hda_mixer_amp_switch_get, + .put = snd_hda_mixer_amp_switch_put, + .tlv = snd_hda_mixer_amp_tlv +}; +EXPORT_SYMBOL_HDA(snd_hda_bind_sw); + +/* + * 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 = 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; + + 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 (sbits & 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 verb, int val) +{ + const hda_nid_t *d; + + snd_hda_codec_write_cache(codec, nid, 0, verb, val); + d = codec->slave_dig_outs; + if (!d) + return; + for (; *d; d++) + snd_hda_codec_write_cache(codec, *d, 0, verb, val); +} + +static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid, + int dig1, int dig2) +{ + if (dig1 != -1) + set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_1, dig1); + if (dig2 != -1) + set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_2, dig2); +} + +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 = snd_array_elem(&codec->spdif_out, idx); + hda_nid_t nid = spdif->nid; + unsigned short val; + int change; + + mutex_lock(&codec->spdif_mutex); + 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 = snd_array_elem(&codec->spdif_out, idx); + + ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE; + 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 = snd_array_elem(&codec->spdif_out, idx); + hda_nid_t nid = spdif->nid; + unsigned short val; + int change; + + mutex_lock(&codec->spdif_mutex); + val = spdif->ctls & ~AC_DIG1_ENABLE; + if (ucontrol->value.integer.value[0]) + val |= AC_DIG1_ENABLE; + change = spdif->ctls != val; + spdif->ctls = val; + if (change && nid != (u16)-1) + set_spdif_ctls(codec, nid, val & 0xff, -1); + mutex_unlock(&codec->spdif_mutex); + return change; +} + +static struct snd_kcontrol_new dig_mixes[] = { + { + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK), + .info = snd_hda_spdif_mask_info, + .get = snd_hda_spdif_cmask_get, + }, + { + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK), + .info = snd_hda_spdif_mask_info, + .get = snd_hda_spdif_pmask_get, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), + .info = snd_hda_spdif_mask_info, + .get = snd_hda_spdif_default_get, + .put = snd_hda_spdif_default_put, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), + .info = snd_hda_spdif_out_switch_info, + .get = snd_hda_spdif_out_switch_get, + .put = snd_hda_spdif_out_switch_put, + }, + { } /* end */ +}; + +/** + * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls + * @codec: the HDA codec + * @nid: audio out widget NID + * + * Creates controls related with the SPDIF output. + * Called from each patch supporting the SPDIF out. + * + * Returns 0 if successful, or a negative error code. + */ +int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, + hda_nid_t associated_nid, + hda_nid_t cvt_nid) +{ + int err; + struct snd_kcontrol *kctl; + struct snd_kcontrol_new *dig_mix; + int idx; + struct hda_spdif_out *spdif; + + idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch"); + if (idx < 0) { + printk(KERN_ERR "hda_codec: too many IEC958 outputs\n"); + return -EBUSY; + } + spdif = snd_array_new(&codec->spdif_out); + 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; + spdif->ctls = snd_hda_codec_read(codec, cvt_nid, 0, + AC_VERB_GET_DIGI_CONVERT_1, 0); + spdif->status = convert_to_spdif_status(spdif->ctls); + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_create_spdif_out_ctls); + +struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec, + hda_nid_t nid) +{ + int i; + for (i = 0; i < codec->spdif_out.used; i++) { + struct hda_spdif_out *spdif = + snd_array_elem(&codec->spdif_out, i); + if (spdif->nid == nid) + return spdif; + } + return NULL; +} +EXPORT_SYMBOL_HDA(snd_hda_spdif_out_of_nid); + +void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx) +{ + struct hda_spdif_out *spdif = snd_array_elem(&codec->spdif_out, idx); + + mutex_lock(&codec->spdif_mutex); + spdif->nid = (u16)-1; + mutex_unlock(&codec->spdif_mutex); +} +EXPORT_SYMBOL_HDA(snd_hda_spdif_ctls_unassign); + +void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid) +{ + struct hda_spdif_out *spdif = snd_array_elem(&codec->spdif_out, idx); + unsigned short val; + + mutex_lock(&codec->spdif_mutex); + 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_HDA(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 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) +{ + if (!mout->dig_out_nid) + return 0; + /* ATTENTION: here mout is passed as private_data, instead of codec */ + return snd_hda_ctl_add(codec, mout->dig_out_nid, + snd_ctl_new1(&spdif_share_sw, mout)); +} +EXPORT_SYMBOL_HDA(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_hda_codec_write_cache(codec, nid, 0, + 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 short val; + unsigned int sbits; + + val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0); + sbits = convert_to_spdif_status(val); + ucontrol->value.iec958.status[0] = sbits; + ucontrol->value.iec958.status[1] = sbits >> 8; + ucontrol->value.iec958.status[2] = sbits >> 16; + ucontrol->value.iec958.status[3] = sbits >> 24; + return 0; +} + +static struct snd_kcontrol_new dig_in_ctls[] = { + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH), + .info = snd_hda_spdif_in_switch_info, + .get = snd_hda_spdif_in_switch_get, + .put = snd_hda_spdif_in_switch_put, + }, + { + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT), + .info = snd_hda_spdif_mask_info, + .get = snd_hda_spdif_in_status_get, + }, + { } /* end */ +}; + +/** + * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls + * @codec: the HDA codec + * @nid: audio in widget NID + * + * Creates controls related with the SPDIF input. + * Called from each patch supporting the SPDIF in. + * + * Returns 0 if successful, or a negative error code. + */ +int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid) +{ + int err; + struct snd_kcontrol *kctl; + struct snd_kcontrol_new *dig_mix; + int idx; + + idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch"); + if (idx < 0) { + printk(KERN_ERR "hda_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_HDA(snd_hda_create_spdif_in_ctls); + +#ifdef CONFIG_PM +/* + * command cache + */ + +/* build a 32bit cache key with the widget id and the command parameter */ +#define build_cmd_cache_key(nid, verb) ((verb << 8) | nid) +#define get_cmd_cache_nid(key) ((key) & 0xff) +#define get_cmd_cache_cmd(key) (((key) >> 8) & 0xffff) + +/** + * snd_hda_codec_write_cache - send a single command with caching + * @codec: the HDA codec + * @nid: NID to send the command + * @direct: direct flag + * @verb: the verb to send + * @parm: the parameter for the verb + * + * Send a single command without waiting for response. + * + * Returns 0 if successful, or a negative error code. + */ +int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid, + int direct, unsigned int verb, unsigned int parm) +{ + int err = snd_hda_codec_write(codec, nid, direct, verb, parm); + struct hda_cache_head *c; + u32 key; + + if (err < 0) + return err; + /* parm may contain the verb stuff for get/set amp */ + verb = verb | (parm >> 8); + parm &= 0xff; + key = build_cmd_cache_key(nid, verb); + mutex_lock(&codec->bus->cmd_mutex); + c = get_alloc_hash(&codec->cmd_cache, key); + if (c) + c->val = parm; + mutex_unlock(&codec->bus->cmd_mutex); + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_codec_write_cache); + +/** + * snd_hda_codec_update_cache - check cache and write the cmd only when needed + * @codec: the HDA codec + * @nid: NID to send the command + * @direct: direct flag + * @verb: the verb to send + * @parm: the parameter for the verb + * + * This function works like snd_hda_codec_write_cache(), but it doesn't send + * command if the parameter is already identical with the cached value. + * If not, it sends the command and refreshes the cache. + * + * Returns 0 if successful, or a negative error code. + */ +int snd_hda_codec_update_cache(struct hda_codec *codec, hda_nid_t nid, + int direct, unsigned int verb, unsigned int parm) +{ + struct hda_cache_head *c; + u32 key; + + /* parm may contain the verb stuff for get/set amp */ + verb = verb | (parm >> 8); + parm &= 0xff; + key = build_cmd_cache_key(nid, verb); + mutex_lock(&codec->bus->cmd_mutex); + c = get_hash(&codec->cmd_cache, key); + if (c && c->val == parm) { + mutex_unlock(&codec->bus->cmd_mutex); + return 0; + } + mutex_unlock(&codec->bus->cmd_mutex); + return snd_hda_codec_write_cache(codec, nid, direct, verb, parm); +} +EXPORT_SYMBOL_HDA(snd_hda_codec_update_cache); + +/** + * snd_hda_codec_resume_cache - Resume the all commands from the cache + * @codec: HD-audio codec + * + * Execute all verbs recorded in the command caches to resume. + */ +void snd_hda_codec_resume_cache(struct hda_codec *codec) +{ + struct hda_cache_head *buffer = codec->cmd_cache.buf.list; + int i; + + for (i = 0; i < codec->cmd_cache.buf.used; i++, buffer++) { + u32 key = buffer->key; + if (!key) + continue; + snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0, + get_cmd_cache_cmd(key), buffer->val); + } +} +EXPORT_SYMBOL_HDA(snd_hda_codec_resume_cache); + +/** + * snd_hda_sequence_write_cache - sequence writes with caching + * @codec: the HDA codec + * @seq: VERB array to send + * + * Send the commands sequentially from the given array. + * Thte commands are recorded on cache for power-save and resume. + * The array must be terminated with NID=0. + */ +void snd_hda_sequence_write_cache(struct hda_codec *codec, + const struct hda_verb *seq) +{ + for (; seq->nid; seq++) + snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb, + seq->param); +} +EXPORT_SYMBOL_HDA(snd_hda_sequence_write_cache); +#endif /* CONFIG_PM */ + +void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg, + unsigned int power_state, + bool eapd_workaround) +{ + 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); + if (!(wcaps & AC_WCAP_POWER)) + continue; + /* don't power down the widget if it controls eapd and + * EAPD_BTLENABLE is set. + */ + if (eapd_workaround && power_state == AC_PWRST_D3 && + get_wcaps_type(wcaps) == 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) + continue; + } + snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, + power_state); + } + + if (power_state == AC_PWRST_D0) { + unsigned long end_time; + int state; + /* wait until the codec reachs to D0 */ + end_time = jiffies + msecs_to_jiffies(500); + do { + state = snd_hda_codec_read(codec, fg, 0, + AC_VERB_GET_POWER_STATE, 0); + if (state == power_state) + break; + msleep(1); + } while (time_after_eq(end_time, jiffies)); + } +} +EXPORT_SYMBOL_HDA(snd_hda_codec_set_power_to_all); + +/* + * set power state of the codec + */ +static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, + unsigned int power_state) +{ + if (codec->patch_ops.set_power_state) { + codec->patch_ops.set_power_state(codec, fg, power_state); + return; + } + + /* this delay seems necessary to avoid click noise at power-down */ + if (power_state == AC_PWRST_D3) + msleep(100); + snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, + power_state); + snd_hda_codec_set_power_to_all(codec, fg, power_state, true); +} + +#ifdef CONFIG_SND_HDA_HWDEP +/* 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 +/* + * call suspend and power-down; used both from PM and power-save + */ +static void hda_call_codec_suspend(struct hda_codec *codec) +{ + if (codec->patch_ops.suspend) + codec->patch_ops.suspend(codec, PMSG_SUSPEND); + hda_cleanup_all_streams(codec); + hda_set_power_state(codec, + codec->afg ? codec->afg : codec->mfg, + AC_PWRST_D3); +#ifdef CONFIG_SND_HDA_POWER_SAVE + snd_hda_update_power_acct(codec); + cancel_delayed_work(&codec->power_work); + codec->power_on = 0; + codec->power_transition = 0; + codec->power_jiffies = jiffies; +#endif +} + +/* + * kick up codec; used both from PM and power-save + */ +static void hda_call_codec_resume(struct hda_codec *codec) +{ + hda_set_power_state(codec, + codec->afg ? codec->afg : codec->mfg, + AC_PWRST_D0); + restore_pincfgs(codec); /* restore all current pin configs */ + 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_codec_resume_amp(codec); + snd_hda_codec_resume_cache(codec); + } +} +#endif /* CONFIG_PM */ + + +/** + * 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 /*__devinit*/ snd_hda_build_controls(struct hda_bus *bus) +{ + struct hda_codec *codec; + + list_for_each_entry(codec, &bus->codec_list, list) { + int err = snd_hda_codec_build_controls(codec); + if (err < 0) { + printk(KERN_ERR "hda_codec: cannot build controls " + "for #%d (error %d)\n", codec->addr, err); + err = snd_hda_codec_reset(codec); + if (err < 0) { + printk(KERN_ERR + "hda_codec: cannot revert codec\n"); + return err; + } + } + } + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_build_controls); + +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; + return 0; +} + +/* + * stream formats + */ +struct hda_rate_tbl { + unsigned int hz; + unsigned int alsa_bits; + unsigned int hda_fmt; +}; + +/* rate = base * mult / div */ +#define HDA_RATE(base, mult, div) \ + (AC_FMT_BASE_##base##K | (((mult) - 1) << AC_FMT_MULT_SHIFT) | \ + (((div) - 1) << AC_FMT_DIV_SHIFT)) + +static struct hda_rate_tbl rate_bits[] = { + /* rate in Hz, ALSA rate bitmask, HDA format value */ + + /* autodetected value used in snd_hda_query_supported_pcm */ + { 8000, SNDRV_PCM_RATE_8000, HDA_RATE(48, 1, 6) }, + { 11025, SNDRV_PCM_RATE_11025, HDA_RATE(44, 1, 4) }, + { 16000, SNDRV_PCM_RATE_16000, HDA_RATE(48, 1, 3) }, + { 22050, SNDRV_PCM_RATE_22050, HDA_RATE(44, 1, 2) }, + { 32000, SNDRV_PCM_RATE_32000, HDA_RATE(48, 2, 3) }, + { 44100, SNDRV_PCM_RATE_44100, HDA_RATE(44, 1, 1) }, + { 48000, SNDRV_PCM_RATE_48000, HDA_RATE(48, 1, 1) }, + { 88200, SNDRV_PCM_RATE_88200, HDA_RATE(44, 2, 1) }, + { 96000, SNDRV_PCM_RATE_96000, HDA_RATE(48, 2, 1) }, + { 176400, SNDRV_PCM_RATE_176400, HDA_RATE(44, 4, 1) }, + { 192000, SNDRV_PCM_RATE_192000, HDA_RATE(48, 4, 1) }, +#define AC_PAR_PCM_RATE_BITS 11 + /* up to bits 10, 384kHZ isn't supported properly */ + + /* not autodetected value */ + { 9600, SNDRV_PCM_RATE_KNOT, HDA_RATE(48, 1, 5) }, + + { 0 } /* terminator */ +}; + +/** + * snd_hda_calc_stream_format - calculate format bitset + * @rate: the sample rate + * @channels: the number of channels + * @format: the PCM format (SNDRV_PCM_FORMAT_XXX) + * @maxbps: the max. bps + * + * Calculate the format bitset from the given rate, channels and th PCM format. + * + * Return zero if invalid. + */ +unsigned int snd_hda_calc_stream_format(unsigned int rate, + unsigned int channels, + unsigned int format, + unsigned int maxbps, + unsigned short spdif_ctls) +{ + int i; + unsigned int val = 0; + + for (i = 0; rate_bits[i].hz; i++) + if (rate_bits[i].hz == rate) { + val = rate_bits[i].hda_fmt; + break; + } + if (!rate_bits[i].hz) { + snd_printdd("invalid rate %d\n", rate); + return 0; + } + + if (channels == 0 || channels > 8) { + snd_printdd("invalid channels %d\n", channels); + return 0; + } + val |= channels - 1; + + switch (snd_pcm_format_width(format)) { + case 8: + val |= AC_FMT_BITS_8; + break; + case 16: + val |= AC_FMT_BITS_16; + break; + case 20: + case 24: + case 32: + if (maxbps >= 32 || format == SNDRV_PCM_FORMAT_FLOAT_LE) + val |= AC_FMT_BITS_32; + else if (maxbps >= 24) + val |= AC_FMT_BITS_24; + else + val |= AC_FMT_BITS_20; + break; + default: + snd_printdd("invalid format width %d\n", + snd_pcm_format_width(format)); + return 0; + } + + if (spdif_ctls & AC_DIG1_NONAUDIO) + val |= AC_FMT_TYPE_NON_PCM; + + return val; +} +EXPORT_SYMBOL_HDA(snd_hda_calc_stream_format); + +static unsigned int get_pcm_param(struct hda_codec *codec, hda_nid_t nid) +{ + unsigned int val = 0; + if (nid != codec->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); + if (!val || val == -1) + return 0; + return val; +} + +static unsigned int query_pcm_param(struct hda_codec *codec, hda_nid_t nid) +{ + return query_caps_hash(codec, nid, HDA_HASH_PARPCM_KEY(nid), + get_pcm_param); +} + +static unsigned int get_stream_param(struct hda_codec *codec, hda_nid_t nid) +{ + 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); + if (!streams || streams == -1) + return 0; + return streams; +} + +static unsigned int query_stream_param(struct hda_codec *codec, hda_nid_t nid) +{ + return query_caps_hash(codec, nid, HDA_HASH_PARSTR_KEY(nid), + get_stream_param); +} + +/** + * snd_hda_query_supported_pcm - query the supported PCM rates and formats + * @codec: the HDA codec + * @nid: NID to query + * @ratesp: the pointer to store the detected rate bitflags + * @formatsp: the pointer to store the detected formats + * @bpsp: the pointer to store the detected format widths + * + * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp + * or @bsps argument is ignored. + * + * Returns 0 if successful, otherwise a negative error code. + */ +int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid, + u32 *ratesp, u64 *formatsp, unsigned int *bpsp) +{ + unsigned int i, val, wcaps; + + wcaps = get_wcaps(codec, nid); + val = query_pcm_param(codec, nid); + + if (ratesp) { + u32 rates = 0; + for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) { + if (val & (1 << i)) + rates |= rate_bits[i].alsa_bits; + } + if (rates == 0) { + snd_printk(KERN_ERR "hda_codec: rates == 0 " + "(nid=0x%x, val=0x%x, ovrd=%i)\n", + nid, val, + (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0); + return -EIO; + } + *ratesp = rates; + } + + if (formatsp || bpsp) { + u64 formats = 0; + unsigned int streams, bps; + + streams = query_stream_param(codec, nid); + if (!streams) + return -EIO; + + bps = 0; + if (streams & AC_SUPFMT_PCM) { + if (val & AC_SUPPCM_BITS_8) { + formats |= SNDRV_PCM_FMTBIT_U8; + bps = 8; + } + if (val & AC_SUPPCM_BITS_16) { + formats |= SNDRV_PCM_FMTBIT_S16_LE; + bps = 16; + } + if (wcaps & AC_WCAP_DIGITAL) { + if (val & AC_SUPPCM_BITS_32) + formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE; + if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24)) + formats |= SNDRV_PCM_FMTBIT_S32_LE; + if (val & AC_SUPPCM_BITS_24) + bps = 24; + else if (val & AC_SUPPCM_BITS_20) + bps = 20; + } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24| + AC_SUPPCM_BITS_32)) { + formats |= SNDRV_PCM_FMTBIT_S32_LE; + if (val & AC_SUPPCM_BITS_32) + bps = 32; + else if (val & AC_SUPPCM_BITS_24) + bps = 24; + else if (val & AC_SUPPCM_BITS_20) + bps = 20; + } + } + if (streams & AC_SUPFMT_FLOAT32) { + formats |= SNDRV_PCM_FMTBIT_FLOAT_LE; + if (!bps) + bps = 32; + } + if (streams == AC_SUPFMT_AC3) { + /* should be exclusive */ + /* temporary hack: we have still no proper support + * for the direct AC3 stream... + */ + formats |= SNDRV_PCM_FMTBIT_U8; + bps = 8; + } + if (formats == 0) { + snd_printk(KERN_ERR "hda_codec: formats == 0 " + "(nid=0x%x, val=0x%x, ovrd=%i, " + "streams=0x%x)\n", + nid, val, + (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0, + streams); + return -EIO; + } + if (formatsp) + *formatsp = formats; + if (bpsp) + *bpsp = bps; + } + + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_query_supported_pcm); + +/** + * snd_hda_is_supported_format - Check the validity of the format + * @codec: HD-audio codec + * @nid: NID to check + * @format: the HD-audio format value to check + * + * Check whether the given node supports the format value. + * + * Returns 1 if supported, 0 if not. + */ +int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid, + unsigned int format) +{ + int i; + unsigned int val = 0, rate, stream; + + val = query_pcm_param(codec, nid); + if (!val) + return 0; + + rate = format & 0xff00; + for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) + if (rate_bits[i].hda_fmt == rate) { + if (val & (1 << i)) + break; + return 0; + } + if (i >= AC_PAR_PCM_RATE_BITS) + return 0; + + stream = query_stream_param(codec, nid); + if (!stream) + return 0; + + if (stream & AC_SUPFMT_PCM) { + switch (format & 0xf0) { + case 0x00: + if (!(val & AC_SUPPCM_BITS_8)) + return 0; + break; + case 0x10: + if (!(val & AC_SUPPCM_BITS_16)) + return 0; + break; + case 0x20: + if (!(val & AC_SUPPCM_BITS_20)) + return 0; + break; + case 0x30: + if (!(val & AC_SUPPCM_BITS_24)) + return 0; + break; + case 0x40: + if (!(val & AC_SUPPCM_BITS_32)) + return 0; + break; + default: + return 0; + } + } else { + /* FIXME: check for float32 and AC3? */ + } + + return 1; +} +EXPORT_SYMBOL_HDA(snd_hda_is_supported_format); + +/* + * PCM stuff + */ +static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo, + struct hda_codec *codec, + struct snd_pcm_substream *substream) +{ + return 0; +} + +static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo, + struct hda_codec *codec, + unsigned int stream_tag, + unsigned int format, + struct snd_pcm_substream *substream) +{ + snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format); + return 0; +} + +static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo, + struct hda_codec *codec, + struct snd_pcm_substream *substream) +{ + snd_hda_codec_cleanup_stream(codec, hinfo->nid); + return 0; +} + +static int set_pcm_default_values(struct hda_codec *codec, + struct hda_pcm_stream *info) +{ + int err; + + /* query support PCM information from the given NID */ + if (info->nid && (!info->rates || !info->formats)) { + err = snd_hda_query_supported_pcm(codec, info->nid, + info->rates ? NULL : &info->rates, + info->formats ? NULL : &info->formats, + info->maxbps ? NULL : &info->maxbps); + if (err < 0) + return err; + } + if (info->ops.open == NULL) + info->ops.open = hda_pcm_default_open_close; + if (info->ops.close == NULL) + info->ops.close = hda_pcm_default_open_close; + if (info->ops.prepare == NULL) { + if (snd_BUG_ON(!info->nid)) + return -EINVAL; + info->ops.prepare = hda_pcm_default_prepare; + } + if (info->ops.cleanup == NULL) { + if (snd_BUG_ON(!info->nid)) + return -EINVAL; + info->ops.cleanup = hda_pcm_default_cleanup; + } + return 0; +} + +/* + * codec prepare/cleanup entries + */ +int snd_hda_codec_prepare(struct hda_codec *codec, + struct hda_pcm_stream *hinfo, + unsigned int stream, + unsigned int format, + struct snd_pcm_substream *substream) +{ + int ret; + mutex_lock(&codec->bus->prepare_mutex); + ret = hinfo->ops.prepare(hinfo, codec, stream, format, substream); + if (ret >= 0) + purify_inactive_streams(codec); + mutex_unlock(&codec->bus->prepare_mutex); + return ret; +} +EXPORT_SYMBOL_HDA(snd_hda_codec_prepare); + +void snd_hda_codec_cleanup(struct hda_codec *codec, + struct hda_pcm_stream *hinfo, + struct snd_pcm_substream *substream) +{ + mutex_lock(&codec->bus->prepare_mutex); + hinfo->ops.cleanup(hinfo, codec, substream); + mutex_unlock(&codec->bus->prepare_mutex); +} +EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup); + +/* global */ +const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = { + "Audio", "SPDIF", "HDMI", "Modem" +}; + +/* + * get the empty PCM device number to assign + * + * note the max device number is limited by HDA_MAX_PCMS, currently 10 + */ +static int get_empty_pcm_device(struct hda_bus *bus, int type) +{ + /* audio device indices; not linear to keep compatibility */ + static int audio_idx[HDA_PCM_NTYPES][5] = { + [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 }, + [HDA_PCM_TYPE_SPDIF] = { 1, -1 }, + [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 }, + [HDA_PCM_TYPE_MODEM] = { 6, -1 }, + }; + int i; + + if (type >= HDA_PCM_NTYPES) { + snd_printk(KERN_WARNING "Invalid PCM type %d\n", type); + return -EINVAL; + } + + for (i = 0; audio_idx[type][i] >= 0 ; i++) + if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits)) + return audio_idx[type][i]; + + /* non-fixed slots starting from 10 */ + for (i = 10; i < 32; i++) { + if (!test_and_set_bit(i, bus->pcm_dev_bits)) + return i; + } + + snd_printk(KERN_WARNING "Too many %s devices\n", + snd_hda_pcm_type_name[type]); + return -EAGAIN; +} + +/* + * attach a new PCM stream + */ +static int snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm) +{ + struct hda_bus *bus = codec->bus; + struct hda_pcm_stream *info; + int stream, err; + + if (snd_BUG_ON(!pcm->name)) + return -EINVAL; + for (stream = 0; stream < 2; stream++) { + info = &pcm->stream[stream]; + if (info->substreams) { + err = set_pcm_default_values(codec, info); + if (err < 0) + return err; + } + } + return bus->ops.attach_pcm(bus, codec, pcm); +} + +/* assign all PCMs of the given codec */ +int snd_hda_codec_build_pcms(struct hda_codec *codec) +{ + unsigned int pcm; + int err; + + if (!codec->num_pcms) { + if (!codec->patch_ops.build_pcms) + return 0; + err = codec->patch_ops.build_pcms(codec); + if (err < 0) { + printk(KERN_ERR "hda_codec: cannot build PCMs" + "for #%d (error %d)\n", codec->addr, err); + err = snd_hda_codec_reset(codec); + if (err < 0) { + printk(KERN_ERR + "hda_codec: cannot revert codec\n"); + return err; + } + } + } + for (pcm = 0; pcm < codec->num_pcms; pcm++) { + struct hda_pcm *cpcm = &codec->pcm_info[pcm]; + int dev; + + 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) { + printk(KERN_ERR "hda_codec: cannot attach " + "PCM stream %d for codec #%d\n", + dev, codec->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 __devinit 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_HDA(snd_hda_build_pcms); + +/** + * snd_hda_check_board_config - compare the current codec with the config table + * @codec: the HDA codec + * @num_configs: number of config enums + * @models: array of model name strings + * @tbl: configuration table, terminated by null entries + * + * Compares the modelname or PCI subsystem id of the current codec with the + * given configuration table. If a matching entry is found, returns its + * config value (supposed to be 0 or positive). + * + * If no entries are matching, the function returns a negative value. + */ +int snd_hda_check_board_config(struct hda_codec *codec, + int num_configs, const char * const *models, + const struct snd_pci_quirk *tbl) +{ + if (codec->modelname && models) { + int i; + for (i = 0; i < num_configs; i++) { + if (models[i] && + !strcmp(codec->modelname, models[i])) { + snd_printd(KERN_INFO "hda_codec: model '%s' is " + "selected\n", models[i]); + return i; + } + } + } + + if (!codec->bus->pci || !tbl) + return -1; + + tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl); + if (!tbl) + return -1; + if (tbl->value >= 0 && tbl->value < num_configs) { +#ifdef CONFIG_SND_DEBUG_VERBOSE + char tmp[10]; + const char *model = NULL; + if (models) + model = models[tbl->value]; + if (!model) { + sprintf(tmp, "#%d", tbl->value); + model = tmp; + } + snd_printdd(KERN_INFO "hda_codec: model '%s' is selected " + "for config %x:%x (%s)\n", + model, tbl->subvendor, tbl->subdevice, + (tbl->name ? tbl->name : "Unknown device")); +#endif + return tbl->value; + } + return -1; +} +EXPORT_SYMBOL_HDA(snd_hda_check_board_config); + +/** + * snd_hda_check_board_codec_sid_config - compare the current codec + subsystem ID with the + config table + + This is important for Gateway notebooks with SB450 HDA Audio + where the vendor ID of the PCI device is: + ATI Technologies Inc SB450 HDA Audio [1002:437b] + and the vendor/subvendor are found only at the codec. + + * @codec: the HDA codec + * @num_configs: number of config enums + * @models: array of model name strings + * @tbl: configuration table, terminated by null entries + * + * Compares the modelname or PCI subsystem id of the current codec with the + * given configuration table. If a matching entry is found, returns its + * config value (supposed to be 0 or positive). + * + * If no entries are matching, the function returns a negative value. + */ +int snd_hda_check_board_codec_sid_config(struct hda_codec *codec, + int num_configs, const char * const *models, + const struct snd_pci_quirk *tbl) +{ + const struct snd_pci_quirk *q; + + /* Search for codec ID */ + for (q = tbl; q->subvendor; q++) { + unsigned int mask = 0xffff0000 | q->subdevice_mask; + unsigned int id = (q->subdevice | (q->subvendor << 16)) & mask; + if ((codec->subsystem_id & mask) == id) + break; + } + + if (!q->subvendor) + return -1; + + tbl = q; + + if (tbl->value >= 0 && tbl->value < num_configs) { +#ifdef CONFIG_SND_DEBUG_VERBOSE + char tmp[10]; + const char *model = NULL; + if (models) + model = models[tbl->value]; + if (!model) { + sprintf(tmp, "#%d", tbl->value); + model = tmp; + } + snd_printdd(KERN_INFO "hda_codec: model '%s' is selected " + "for config %x:%x (%s)\n", + model, tbl->subvendor, tbl->subdevice, + (tbl->name ? tbl->name : "Unknown device")); +#endif + return tbl->value; + } + return -1; +} +EXPORT_SYMBOL_HDA(snd_hda_check_board_codec_sid_config); + +/** + * snd_hda_add_new_ctls - create controls from the array + * @codec: the HDA codec + * @knew: the array of struct snd_kcontrol_new + * + * This helper function creates and add new controls in the given array. + * The array must be terminated with an empty entry as terminator. + * + * Returns 0 if successful, or a negative error code. + */ +int snd_hda_add_new_ctls(struct hda_codec *codec, + const struct snd_kcontrol_new *knew) +{ + int err; + + for (; knew->name; knew++) { + struct snd_kcontrol *kctl; + int addr = 0, idx = 0; + if (knew->iface == -1) /* skip this codec private value */ + continue; + for (;;) { + kctl = snd_ctl_new1(knew, codec); + if (!kctl) + return -ENOMEM; + if (addr > 0) + kctl->id.device = addr; + if (idx > 0) + kctl->id.index = idx; + err = snd_hda_ctl_add(codec, 0, kctl); + if (!err) + break; + /* try first with another device index corresponding to + * the codec addr; if it still fails (or it's the + * primary codec), then try another control index + */ + if (!addr && codec->addr) + addr = codec->addr; + else if (!idx && !knew->index) { + idx = find_empty_mixer_ctl_idx(codec, + knew->name); + if (idx <= 0) + return err; + } else + return err; + } + } + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_add_new_ctls); + +#ifdef CONFIG_SND_HDA_POWER_SAVE +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; + + if (!codec->power_on || codec->power_count) { + codec->power_transition = 0; + return; + } + + trace_hda_power_down(codec); + hda_call_codec_suspend(codec); + if (bus->ops.pm_notify) + bus->ops.pm_notify(bus); +} + +static void hda_keep_power_on(struct hda_codec *codec) +{ + codec->power_count++; + codec->power_on = 1; + codec->power_jiffies = jiffies; +} + +/* 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; +} + +/** + * snd_hda_power_up - Power-up the codec + * @codec: HD-audio codec + * + * Increment the power-up counter and power up the hardware really when + * not turned on yet. + */ +void snd_hda_power_up(struct hda_codec *codec) +{ + struct hda_bus *bus = codec->bus; + + codec->power_count++; + if (codec->power_on || codec->power_transition) + return; + + trace_hda_power_up(codec); + snd_hda_update_power_acct(codec); + codec->power_on = 1; + codec->power_jiffies = jiffies; + if (bus->ops.pm_notify) + bus->ops.pm_notify(bus); + hda_call_codec_resume(codec); + cancel_delayed_work(&codec->power_work); + codec->power_transition = 0; +} +EXPORT_SYMBOL_HDA(snd_hda_power_up); + +#define power_save(codec) \ + ((codec)->bus->power_save ? *(codec)->bus->power_save : 0) + +/** + * snd_hda_power_down - Power-down the codec + * @codec: HD-audio codec + * + * Decrement the power-up counter and schedules the power-off work if + * the counter rearches to zero. + */ +void snd_hda_power_down(struct hda_codec *codec) +{ + --codec->power_count; + if (!codec->power_on || codec->power_count || codec->power_transition) + return; + 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)); + } +} +EXPORT_SYMBOL_HDA(snd_hda_power_down); + +/** + * snd_hda_check_amp_list_power - Check the amp list and update the power + * @codec: HD-audio codec + * @check: the object containing an AMP list and the status + * @nid: NID to check / update + * + * Check whether the given NID is in the amp list. If it's in the list, + * check the current AMP status, and update the the power-status according + * to the mute status. + * + * This function is supposed to be set or called from the check_power_status + * patch ops. + */ +int snd_hda_check_amp_list_power(struct hda_codec *codec, + struct hda_loopback_check *check, + hda_nid_t nid) +{ + const struct hda_amp_list *p; + int ch, v; + + if (!check->amplist) + return 0; + for (p = check->amplist; p->nid; p++) { + if (p->nid == nid) + break; + } + if (!p->nid) + return 0; /* nothing changed */ + + for (p = check->amplist; p->nid; p++) { + for (ch = 0; ch < 2; ch++) { + v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir, + p->idx); + if (!(v & HDA_AMP_MUTE) && v > 0) { + if (!check->power_on) { + check->power_on = 1; + snd_hda_power_up(codec); + } + return 1; + } + } + } + if (check->power_on) { + check->power_on = 0; + snd_hda_power_down(codec); + } + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_check_amp_list_power); +#endif + +/* + * Channel mode helper + */ + +/** + * snd_hda_ch_mode_info - Info callback helper for the channel mode enum + */ +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_HDA(snd_hda_ch_mode_info); + +/** + * snd_hda_ch_mode_get - Get callback helper for the channel mode enum + */ +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_HDA(snd_hda_ch_mode_get); + +/** + * snd_hda_ch_mode_put - Put callback helper for the channel mode enum + */ +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_HDA(snd_hda_ch_mode_put); + +/* + * input MUX helper + */ + +/** + * snd_hda_input_mux_info_info - Info callback helper for the input-mux enum + */ +int snd_hda_input_mux_info(const struct hda_input_mux *imux, + struct snd_ctl_elem_info *uinfo) +{ + unsigned int index; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = imux->num_items; + if (!imux->num_items) + return 0; + index = uinfo->value.enumerated.item; + if (index >= imux->num_items) + index = imux->num_items - 1; + strcpy(uinfo->value.enumerated.name, imux->items[index].label); + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_input_mux_info); + +/** + * snd_hda_input_mux_info_put - Put callback helper for the input-mux enum + */ +int snd_hda_input_mux_put(struct hda_codec *codec, + const struct hda_input_mux *imux, + struct snd_ctl_elem_value *ucontrol, + hda_nid_t nid, + unsigned int *cur_val) +{ + unsigned int idx; + + if (!imux->num_items) + return 0; + idx = ucontrol->value.enumerated.item[0]; + if (idx >= imux->num_items) + idx = imux->num_items - 1; + if (*cur_val == idx) + return 0; + snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, + imux->items[idx].index); + *cur_val = idx; + return 1; +} +EXPORT_SYMBOL_HDA(snd_hda_input_mux_put); + + +/* + * Multi-channel / digital-out PCM helper functions + */ + +/* setup SPDIF output stream */ +static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid, + unsigned int stream_tag, unsigned int format) +{ + struct hda_spdif_out *spdif = snd_hda_spdif_out_of_nid(codec, nid); + + /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */ + if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) + set_dig_out_convert(codec, nid, + spdif->ctls & ~AC_DIG1_ENABLE & 0xff, + -1); + snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format); + if (codec->slave_dig_outs) { + const hda_nid_t *d; + for (d = codec->slave_dig_outs; *d; d++) + snd_hda_codec_setup_stream(codec, *d, stream_tag, 0, + format); + } + /* turn on again (if needed) */ + if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) + set_dig_out_convert(codec, nid, + spdif->ctls & 0xff, -1); +} + +static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid) +{ + snd_hda_codec_cleanup_stream(codec, nid); + if (codec->slave_dig_outs) { + const hda_nid_t *d; + for (d = codec->slave_dig_outs; *d; d++) + snd_hda_codec_cleanup_stream(codec, *d); + } +} + +/** + * snd_hda_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_HDA(snd_hda_bus_reboot_notify); + +/** + * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode + */ +int snd_hda_multi_out_dig_open(struct hda_codec *codec, + struct hda_multi_out *mout) +{ + mutex_lock(&codec->spdif_mutex); + if (mout->dig_out_used == HDA_DIG_ANALOG_DUP) + /* already opened as analog dup; reset it once */ + cleanup_dig_out_stream(codec, mout->dig_out_nid); + mout->dig_out_used = HDA_DIG_EXCLUSIVE; + mutex_unlock(&codec->spdif_mutex); + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_open); + +/** + * snd_hda_multi_out_dig_prepare - prepare the digital out stream + */ +int snd_hda_multi_out_dig_prepare(struct hda_codec *codec, + struct hda_multi_out *mout, + unsigned int stream_tag, + unsigned int format, + struct snd_pcm_substream *substream) +{ + mutex_lock(&codec->spdif_mutex); + setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format); + mutex_unlock(&codec->spdif_mutex); + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_prepare); + +/** + * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream + */ +int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec, + struct hda_multi_out *mout) +{ + mutex_lock(&codec->spdif_mutex); + cleanup_dig_out_stream(codec, mout->dig_out_nid); + mutex_unlock(&codec->spdif_mutex); + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_cleanup); + +/** + * snd_hda_multi_out_dig_close - release the digital out stream + */ +int snd_hda_multi_out_dig_close(struct hda_codec *codec, + struct hda_multi_out *mout) +{ + mutex_lock(&codec->spdif_mutex); + mout->dig_out_used = 0; + mutex_unlock(&codec->spdif_mutex); + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_close); + +/** + * snd_hda_multi_out_analog_open - open analog outputs + * + * Open analog outputs and set up the hw-constraints. + * If the digital outputs can be opened as slave, open the digital + * outputs, too. + */ +int snd_hda_multi_out_analog_open(struct hda_codec *codec, + struct hda_multi_out *mout, + struct snd_pcm_substream *substream, + struct hda_pcm_stream *hinfo) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + runtime->hw.channels_max = mout->max_channels; + if (mout->dig_out_nid) { + if (!mout->analog_rates) { + mout->analog_rates = hinfo->rates; + mout->analog_formats = hinfo->formats; + mout->analog_maxbps = hinfo->maxbps; + } else { + runtime->hw.rates = mout->analog_rates; + runtime->hw.formats = mout->analog_formats; + hinfo->maxbps = mout->analog_maxbps; + } + if (!mout->spdif_rates) { + snd_hda_query_supported_pcm(codec, mout->dig_out_nid, + &mout->spdif_rates, + &mout->spdif_formats, + &mout->spdif_maxbps); + } + mutex_lock(&codec->spdif_mutex); + if (mout->share_spdif) { + if ((runtime->hw.rates & mout->spdif_rates) && + (runtime->hw.formats & mout->spdif_formats)) { + runtime->hw.rates &= mout->spdif_rates; + runtime->hw.formats &= mout->spdif_formats; + if (mout->spdif_maxbps < hinfo->maxbps) + hinfo->maxbps = mout->spdif_maxbps; + } else { + mout->share_spdif = 0; + /* FIXME: need notify? */ + } + } + mutex_unlock(&codec->spdif_mutex); + } + return snd_pcm_hw_constraint_step(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, 2); +} +EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_open); + +/** + * snd_hda_multi_out_analog_prepare - Preapre the analog outputs. + * + * Set up the i/o for analog out. + * When the digital out is available, copy the front out to digital out, too. + */ +int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, + struct hda_multi_out *mout, + unsigned int stream_tag, + unsigned int format, + struct snd_pcm_substream *substream) +{ + const hda_nid_t *nids = mout->dac_nids; + int chs = substream->runtime->channels; + struct hda_spdif_out *spdif = + snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid); + int i; + + mutex_lock(&codec->spdif_mutex); + if (mout->dig_out_nid && mout->share_spdif && + mout->dig_out_used != HDA_DIG_EXCLUSIVE) { + if (chs == 2 && + snd_hda_is_supported_format(codec, mout->dig_out_nid, + format) && + !(spdif->status & IEC958_AES0_NONAUDIO)) { + mout->dig_out_used = HDA_DIG_ANALOG_DUP; + setup_dig_out_stream(codec, mout->dig_out_nid, + stream_tag, format); + } else { + mout->dig_out_used = 0; + cleanup_dig_out_stream(codec, mout->dig_out_nid); + } + } + mutex_unlock(&codec->spdif_mutex); + + /* front */ + snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag, + 0, format); + if (!mout->no_share_stream && + mout->hp_nid && mout->hp_nid != nids[HDA_FRONT]) + /* headphone out will just decode front left/right (stereo) */ + snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, + 0, format); + /* extra outputs copied from front */ + for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++) + if (!mout->no_share_stream && mout->hp_out_nid[i]) + snd_hda_codec_setup_stream(codec, + mout->hp_out_nid[i], + stream_tag, 0, format); + for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) + if (!mout->no_share_stream && mout->extra_out_nid[i]) + snd_hda_codec_setup_stream(codec, + mout->extra_out_nid[i], + stream_tag, 0, format); + + /* surrounds */ + for (i = 1; i < mout->num_dacs; i++) { + if (chs >= (i + 1) * 2) /* independent out */ + snd_hda_codec_setup_stream(codec, nids[i], stream_tag, + i * 2, format); + else if (!mout->no_share_stream) /* copy front */ + snd_hda_codec_setup_stream(codec, nids[i], stream_tag, + 0, format); + } + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_prepare); + +/** + * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out + */ +int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, + struct hda_multi_out *mout) +{ + const hda_nid_t *nids = mout->dac_nids; + int i; + + for (i = 0; i < mout->num_dacs; i++) + snd_hda_codec_cleanup_stream(codec, nids[i]); + if (mout->hp_nid) + snd_hda_codec_cleanup_stream(codec, mout->hp_nid); + for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++) + if (mout->hp_out_nid[i]) + snd_hda_codec_cleanup_stream(codec, + mout->hp_out_nid[i]); + for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) + if (mout->extra_out_nid[i]) + snd_hda_codec_cleanup_stream(codec, + mout->extra_out_nid[i]); + mutex_lock(&codec->spdif_mutex); + if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) { + cleanup_dig_out_stream(codec, mout->dig_out_nid); + mout->dig_out_used = 0; + } + mutex_unlock(&codec->spdif_mutex); + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_cleanup); + +/* + * Helper for automatic pin configuration + */ + +static int is_in_nid_list(hda_nid_t nid, const hda_nid_t *list) +{ + for (; *list; list++) + if (*list == nid) + return 1; + return 0; +} + + +/* + * Sort an associated group of pins according to their sequence numbers. + */ +static void sort_pins_by_sequence(hda_nid_t *pins, short *sequences, + int num_pins) +{ + int i, j; + short seq; + hda_nid_t nid; + + for (i = 0; i < num_pins; i++) { + for (j = i + 1; j < num_pins; j++) { + if (sequences[i] > sequences[j]) { + seq = sequences[i]; + sequences[i] = sequences[j]; + sequences[j] = seq; + nid = pins[i]; + pins[i] = pins[j]; + pins[j] = nid; + } + } + } +} + + +/* add the found input-pin to the cfg->inputs[] table */ +static void add_auto_cfg_input_pin(struct auto_pin_cfg *cfg, hda_nid_t nid, + int type) +{ + if (cfg->num_inputs < AUTO_CFG_MAX_INS) { + cfg->inputs[cfg->num_inputs].pin = nid; + cfg->inputs[cfg->num_inputs].type = type; + cfg->num_inputs++; + } +} + +/* sort inputs in the order of AUTO_PIN_* type */ +static void sort_autocfg_input_pins(struct auto_pin_cfg *cfg) +{ + int i, j; + + for (i = 0; i < cfg->num_inputs; i++) { + for (j = i + 1; j < cfg->num_inputs; j++) { + if (cfg->inputs[i].type > cfg->inputs[j].type) { + struct auto_pin_cfg_item tmp; + tmp = cfg->inputs[i]; + cfg->inputs[i] = cfg->inputs[j]; + cfg->inputs[j] = tmp; + } + } + } +} + +/* Reorder the surround channels + * ALSA sequence is front/surr/clfe/side + * HDA sequence is: + * 4-ch: front/surr => OK as it is + * 6-ch: front/clfe/surr + * 8-ch: front/clfe/rear/side|fc + */ +static void reorder_outputs(unsigned int nums, hda_nid_t *pins) +{ + hda_nid_t nid; + + switch (nums) { + case 3: + case 4: + nid = pins[1]; + pins[1] = pins[2]; + pins[2] = nid; + break; + } +} + +/* + * Parse all pin widgets and store the useful pin nids to cfg + * + * The number of line-outs or any primary output is stored in line_outs, + * and the corresponding output pins are assigned to line_out_pins[], + * in the order of front, rear, CLFE, side, ... + * + * If more extra outputs (speaker and headphone) are found, the pins are + * assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack + * is detected, one of speaker of HP pins is assigned as the primary + * output, i.e. to line_out_pins[0]. So, line_outs is always positive + * if any analog output exists. + * + * The analog input pins are assigned to inputs array. + * The digital input/output pins are assigned to dig_in_pin and dig_out_pin, + * respectively. + */ +int snd_hda_parse_pin_defcfg(struct hda_codec *codec, + struct auto_pin_cfg *cfg, + const hda_nid_t *ignore_nids, + unsigned int cond_flags) +{ + hda_nid_t nid, end_nid; + short seq, assoc_line_out; + short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)]; + short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)]; + short sequences_hp[ARRAY_SIZE(cfg->hp_pins)]; + int i; + + memset(cfg, 0, sizeof(*cfg)); + + memset(sequences_line_out, 0, sizeof(sequences_line_out)); + memset(sequences_speaker, 0, sizeof(sequences_speaker)); + memset(sequences_hp, 0, sizeof(sequences_hp)); + assoc_line_out = 0; + + codec->ignore_misc_bit = true; + end_nid = codec->start_nid + codec->num_nodes; + for (nid = codec->start_nid; nid < end_nid; nid++) { + unsigned int wid_caps = get_wcaps(codec, nid); + unsigned int wid_type = get_wcaps_type(wid_caps); + unsigned int def_conf; + short assoc, loc, conn, dev; + + /* read all default configuration for pin complex */ + if (wid_type != AC_WID_PIN) + continue; + /* ignore the given nids (e.g. pc-beep returns error) */ + if (ignore_nids && is_in_nid_list(nid, ignore_nids)) + continue; + + def_conf = snd_hda_codec_get_pincfg(codec, nid); + if (!(get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) & + AC_DEFCFG_MISC_NO_PRESENCE)) + codec->ignore_misc_bit = false; + conn = get_defcfg_connect(def_conf); + if (conn == AC_JACK_PORT_NONE) + continue; + loc = get_defcfg_location(def_conf); + dev = get_defcfg_device(def_conf); + + /* workaround for buggy BIOS setups */ + if (dev == AC_JACK_LINE_OUT) { + if (conn == AC_JACK_PORT_FIXED) + dev = AC_JACK_SPEAKER; + } + + switch (dev) { + case AC_JACK_LINE_OUT: + seq = get_defcfg_sequence(def_conf); + assoc = get_defcfg_association(def_conf); + + if (!(wid_caps & AC_WCAP_STEREO)) + if (!cfg->mono_out_pin) + cfg->mono_out_pin = nid; + if (!assoc) + continue; + if (!assoc_line_out) + assoc_line_out = assoc; + else if (assoc_line_out != assoc) + continue; + if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) + continue; + cfg->line_out_pins[cfg->line_outs] = nid; + sequences_line_out[cfg->line_outs] = seq; + cfg->line_outs++; + break; + case AC_JACK_SPEAKER: + seq = get_defcfg_sequence(def_conf); + assoc = get_defcfg_association(def_conf); + if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) + continue; + cfg->speaker_pins[cfg->speaker_outs] = nid; + sequences_speaker[cfg->speaker_outs] = (assoc << 4) | seq; + cfg->speaker_outs++; + break; + case AC_JACK_HP_OUT: + seq = get_defcfg_sequence(def_conf); + assoc = get_defcfg_association(def_conf); + if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins)) + continue; + cfg->hp_pins[cfg->hp_outs] = nid; + sequences_hp[cfg->hp_outs] = (assoc << 4) | seq; + cfg->hp_outs++; + break; + case AC_JACK_MIC_IN: + add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_MIC); + break; + case AC_JACK_LINE_IN: + add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_LINE_IN); + break; + case AC_JACK_CD: + add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_CD); + break; + case AC_JACK_AUX: + add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_AUX); + break; + case AC_JACK_SPDIF_OUT: + case AC_JACK_DIG_OTHER_OUT: + if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins)) + continue; + cfg->dig_out_pins[cfg->dig_outs] = nid; + cfg->dig_out_type[cfg->dig_outs] = + (loc == AC_JACK_LOC_HDMI) ? + HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF; + cfg->dig_outs++; + break; + case AC_JACK_SPDIF_IN: + case AC_JACK_DIG_OTHER_IN: + cfg->dig_in_pin = nid; + if (loc == AC_JACK_LOC_HDMI) + cfg->dig_in_type = HDA_PCM_TYPE_HDMI; + else + cfg->dig_in_type = HDA_PCM_TYPE_SPDIF; + break; + } + } + + /* FIX-UP: + * If no line-out is defined but multiple HPs are found, + * some of them might be the real line-outs. + */ + if (!cfg->line_outs && cfg->hp_outs > 1 && + !(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) { + int i = 0; + while (i < cfg->hp_outs) { + /* The real HPs should have the sequence 0x0f */ + if ((sequences_hp[i] & 0x0f) == 0x0f) { + i++; + continue; + } + /* Move it to the line-out table */ + cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i]; + sequences_line_out[cfg->line_outs] = sequences_hp[i]; + cfg->line_outs++; + cfg->hp_outs--; + memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1, + sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i)); + memmove(sequences_hp + i, sequences_hp + i + 1, + sizeof(sequences_hp[0]) * (cfg->hp_outs - i)); + } + memset(cfg->hp_pins + cfg->hp_outs, 0, + sizeof(hda_nid_t) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs)); + if (!cfg->hp_outs) + cfg->line_out_type = AUTO_PIN_HP_OUT; + + } + + /* sort by sequence */ + sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out, + cfg->line_outs); + sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker, + cfg->speaker_outs); + sort_pins_by_sequence(cfg->hp_pins, sequences_hp, + cfg->hp_outs); + + /* + * FIX-UP: if no line-outs are detected, try to use speaker or HP pin + * as a primary output + */ + if (!cfg->line_outs && + !(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) { + if (cfg->speaker_outs) { + cfg->line_outs = cfg->speaker_outs; + memcpy(cfg->line_out_pins, cfg->speaker_pins, + sizeof(cfg->speaker_pins)); + cfg->speaker_outs = 0; + memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins)); + cfg->line_out_type = AUTO_PIN_SPEAKER_OUT; + } else if (cfg->hp_outs) { + cfg->line_outs = cfg->hp_outs; + memcpy(cfg->line_out_pins, cfg->hp_pins, + sizeof(cfg->hp_pins)); + cfg->hp_outs = 0; + memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins)); + cfg->line_out_type = AUTO_PIN_HP_OUT; + } + } + + reorder_outputs(cfg->line_outs, cfg->line_out_pins); + reorder_outputs(cfg->hp_outs, cfg->hp_pins); + reorder_outputs(cfg->speaker_outs, cfg->speaker_pins); + + sort_autocfg_input_pins(cfg); + + /* + * debug prints of the parsed results + */ + snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n", + cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1], + cfg->line_out_pins[2], cfg->line_out_pins[3], + cfg->line_out_pins[4], + cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" : + (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ? + "speaker" : "line")); + snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", + cfg->speaker_outs, cfg->speaker_pins[0], + cfg->speaker_pins[1], cfg->speaker_pins[2], + cfg->speaker_pins[3], cfg->speaker_pins[4]); + snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", + cfg->hp_outs, cfg->hp_pins[0], + cfg->hp_pins[1], cfg->hp_pins[2], + cfg->hp_pins[3], cfg->hp_pins[4]); + snd_printd(" mono: mono_out=0x%x\n", cfg->mono_out_pin); + if (cfg->dig_outs) + snd_printd(" dig-out=0x%x/0x%x\n", + cfg->dig_out_pins[0], cfg->dig_out_pins[1]); + snd_printd(" inputs:"); + for (i = 0; i < cfg->num_inputs; i++) { + snd_printd(" %s=0x%x", + hda_get_autocfg_input_label(codec, cfg, i), + cfg->inputs[i].pin); + } + snd_printd("\n"); + if (cfg->dig_in_pin) + snd_printd(" dig-in=0x%x\n", cfg->dig_in_pin); + + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_parse_pin_defcfg); + +int snd_hda_get_input_pin_attr(unsigned int def_conf) +{ + unsigned int loc = get_defcfg_location(def_conf); + unsigned int conn = get_defcfg_connect(def_conf); + if (conn == AC_JACK_PORT_NONE) + return INPUT_PIN_ATTR_UNUSED; + /* Windows may claim the internal mic to be BOTH, too */ + if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH) + return INPUT_PIN_ATTR_INT; + if ((loc & 0x30) == AC_JACK_LOC_INTERNAL) + return INPUT_PIN_ATTR_INT; + if ((loc & 0x30) == AC_JACK_LOC_SEPARATE) + return INPUT_PIN_ATTR_DOCK; + if (loc == AC_JACK_LOC_REAR) + return INPUT_PIN_ATTR_REAR; + if (loc == AC_JACK_LOC_FRONT) + return INPUT_PIN_ATTR_FRONT; + return INPUT_PIN_ATTR_NORMAL; +} +EXPORT_SYMBOL_HDA(snd_hda_get_input_pin_attr); + +/** + * hda_get_input_pin_label - Give a label for the given input pin + * + * When check_location is true, the function checks the pin location + * for mic and line-in pins, and set an appropriate prefix like "Front", + * "Rear", "Internal". + */ + +static const char *hda_get_input_pin_label(struct hda_codec *codec, + hda_nid_t pin, bool check_location) +{ + unsigned int def_conf; + static const char * const mic_names[] = { + "Internal Mic", "Dock Mic", "Mic", "Front Mic", "Rear Mic", + }; + int attr; + + def_conf = snd_hda_codec_get_pincfg(codec, pin); + + switch (get_defcfg_device(def_conf)) { + case AC_JACK_MIC_IN: + if (!check_location) + return "Mic"; + attr = snd_hda_get_input_pin_attr(def_conf); + if (!attr) + return "None"; + return mic_names[attr - 1]; + case AC_JACK_LINE_IN: + if (!check_location) + return "Line"; + attr = snd_hda_get_input_pin_attr(def_conf); + if (!attr) + return "None"; + if (attr == INPUT_PIN_ATTR_DOCK) + return "Dock Line"; + return "Line"; + case AC_JACK_AUX: + return "Aux"; + case AC_JACK_CD: + return "CD"; + case AC_JACK_SPDIF_IN: + return "SPDIF In"; + case AC_JACK_DIG_OTHER_IN: + return "Digital In"; + default: + return "Misc"; + } +} + +/* Check whether the location prefix needs to be added to the label. + * If all mic-jacks are in the same location (e.g. rear panel), we don't + * have to put "Front" prefix to each label. In such a case, returns false. + */ +static int check_mic_location_need(struct hda_codec *codec, + const struct auto_pin_cfg *cfg, + int input) +{ + unsigned int defc; + int i, attr, attr2; + + defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin); + attr = snd_hda_get_input_pin_attr(defc); + /* for internal or docking mics, we need locations */ + if (attr <= INPUT_PIN_ATTR_NORMAL) + return 1; + + attr = 0; + for (i = 0; i < cfg->num_inputs; i++) { + defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin); + attr2 = snd_hda_get_input_pin_attr(defc); + if (attr2 >= INPUT_PIN_ATTR_NORMAL) { + if (attr && attr != attr2) + return 1; /* different locations found */ + attr = attr2; + } + } + return 0; +} + +/** + * hda_get_autocfg_input_label - Get a label for the given input + * + * Get a label for the given input pin defined by the autocfg item. + * Unlike hda_get_input_pin_label(), this function checks all inputs + * defined in autocfg and avoids the redundant mic/line prefix as much as + * possible. + */ +const char *hda_get_autocfg_input_label(struct hda_codec *codec, + const struct auto_pin_cfg *cfg, + int input) +{ + int type = cfg->inputs[input].type; + int has_multiple_pins = 0; + + if ((input > 0 && cfg->inputs[input - 1].type == type) || + (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type)) + has_multiple_pins = 1; + if (has_multiple_pins && type == AUTO_PIN_MIC) + has_multiple_pins &= check_mic_location_need(codec, cfg, input); + return hda_get_input_pin_label(codec, cfg->inputs[input].pin, + has_multiple_pins); +} +EXPORT_SYMBOL_HDA(hda_get_autocfg_input_label); + +/* return the position of NID in the list, or -1 if not found */ +static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums) +{ + int i; + for (i = 0; i < nums; i++) + if (list[i] == nid) + return i; + return -1; +} + +/* get a unique suffix or an index number */ +static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins, + int num_pins, int *indexp) +{ + static const char * const channel_sfx[] = { + " Front", " Surround", " CLFE", " Side" + }; + int i; + + i = find_idx_in_nid_list(nid, pins, num_pins); + if (i < 0) + return NULL; + if (num_pins == 1) + return ""; + if (num_pins > ARRAY_SIZE(channel_sfx)) { + if (indexp) + *indexp = i; + return ""; + } + return channel_sfx[i]; +} + +static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid, + const struct auto_pin_cfg *cfg, + const char *name, char *label, int maxlen, + int *indexp) +{ + unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid); + int attr = snd_hda_get_input_pin_attr(def_conf); + const char *pfx = "", *sfx = ""; + + /* handle as a speaker if it's a fixed line-out */ + if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT) + name = "Speaker"; + /* check the location */ + switch (attr) { + case INPUT_PIN_ATTR_DOCK: + pfx = "Dock "; + break; + case INPUT_PIN_ATTR_FRONT: + pfx = "Front "; + break; + } + if (cfg) { + /* try to give a unique suffix if needed */ + sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs, + indexp); + if (!sfx) + sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs, + indexp); + if (!sfx) { + /* don't add channel suffix for Headphone controls */ + int idx = find_idx_in_nid_list(nid, cfg->hp_pins, + cfg->hp_outs); + if (idx >= 0) + *indexp = idx; + sfx = ""; + } + } + snprintf(label, maxlen, "%s%s%s", pfx, name, sfx); + return 1; +} + +/** + * snd_hda_get_pin_label - Get a label for the given I/O pin + * + * Get a label for the given pin. This function works for both input and + * output pins. When @cfg is given as non-NULL, the function tries to get + * an optimized label using hda_get_autocfg_input_label(). + * + * This function tries to give a unique label string for the pin as much as + * possible. For example, when the multiple line-outs are present, it adds + * the channel suffix like "Front", "Surround", etc (only when @cfg is given). + * If no unique name with a suffix is available and @indexp is non-NULL, the + * index number is stored in the pointer. + */ +int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid, + const struct auto_pin_cfg *cfg, + char *label, int maxlen, int *indexp) +{ + unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid); + const char *name = NULL; + int i; + + if (indexp) + *indexp = 0; + if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE) + return 0; + + switch (get_defcfg_device(def_conf)) { + case AC_JACK_LINE_OUT: + return fill_audio_out_name(codec, nid, cfg, "Line Out", + label, maxlen, indexp); + case AC_JACK_SPEAKER: + return fill_audio_out_name(codec, nid, cfg, "Speaker", + label, maxlen, indexp); + case AC_JACK_HP_OUT: + return fill_audio_out_name(codec, nid, cfg, "Headphone", + label, maxlen, indexp); + case AC_JACK_SPDIF_OUT: + case AC_JACK_DIG_OTHER_OUT: + if (get_defcfg_location(def_conf) == AC_JACK_LOC_HDMI) + name = "HDMI"; + else + name = "SPDIF"; + if (cfg && indexp) { + i = find_idx_in_nid_list(nid, cfg->dig_out_pins, + cfg->dig_outs); + if (i >= 0) + *indexp = i; + } + break; + default: + if (cfg) { + for (i = 0; i < cfg->num_inputs; i++) { + if (cfg->inputs[i].pin != nid) + continue; + name = hda_get_autocfg_input_label(codec, cfg, i); + if (name) + break; + } + } + if (!name) + name = hda_get_input_pin_label(codec, nid, true); + break; + } + if (!name) + return 0; + strlcpy(label, name, maxlen); + return 1; +} +EXPORT_SYMBOL_HDA(snd_hda_get_pin_label); + +/** + * snd_hda_add_imux_item - Add an item to input_mux + * + * When the same label is used already in the existing items, the number + * suffix is appended to the label. This label index number is stored + * to type_idx when non-NULL pointer is given. + */ +int snd_hda_add_imux_item(struct hda_input_mux *imux, const char *label, + int index, int *type_idx) +{ + int i, label_idx = 0; + if (imux->num_items >= HDA_MAX_NUM_INPUTS) { + snd_printd(KERN_ERR "hda_codec: Too many imux items!\n"); + return -EINVAL; + } + for (i = 0; i < imux->num_items; i++) { + if (!strncmp(label, imux->items[i].label, strlen(label))) + label_idx++; + } + if (type_idx) + *type_idx = label_idx; + if (label_idx > 0) + snprintf(imux->items[imux->num_items].label, + sizeof(imux->items[imux->num_items].label), + "%s %d", label, label_idx); + else + strlcpy(imux->items[imux->num_items].label, label, + sizeof(imux->items[imux->num_items].label)); + imux->items[imux->num_items].index = index; + imux->num_items++; + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_add_imux_item); + + +#ifdef CONFIG_PM +/* + * power management + */ + +/** + * snd_hda_suspend - suspend the codecs + * @bus: the HDA bus + * + * Returns 0 if successful. + */ +int snd_hda_suspend(struct hda_bus *bus) +{ + struct hda_codec *codec; + + list_for_each_entry(codec, &bus->codec_list, list) { + if (hda_codec_is_power_on(codec)) + hda_call_codec_suspend(codec); + if (codec->patch_ops.post_suspend) + codec->patch_ops.post_suspend(codec); + } + return 0; +} +EXPORT_SYMBOL_HDA(snd_hda_suspend); + +/** + * snd_hda_resume - resume the codecs + * @bus: the HDA bus + * + * Returns 0 if successful. + * + * This function is defined only when POWER_SAVE isn't set. + * In the power-save mode, the codec is resumed dynamically. + */ +int snd_hda_resume(struct hda_bus *bus) +{ + struct hda_codec *codec; + + list_for_each_entry(codec, &bus->codec_list, list) { + if (codec->patch_ops.pre_resume) + codec->patch_ops.pre_resume(codec); + if (snd_hda_codec_needs_resume(codec)) + hda_call_codec_resume(codec); + } + return 0; +} +EXPORT_SYMBOL_HDA(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 (array->used >= array->alloced) { + int num = array->alloced + array->alloc_align; + int size = (num + 1) * array->elem_size; + int oldsize = array->alloced * array->elem_size; + void *nlist; + if (snd_BUG_ON(num >= 4096)) + return NULL; + nlist = krealloc(array->list, size, GFP_KERNEL); + if (!nlist) + return NULL; + memset(nlist + oldsize, 0, size - oldsize); + array->list = nlist; + array->alloced = num; + } + return snd_array_elem(array, array->used++); +} +EXPORT_SYMBOL_HDA(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_HDA(snd_array_free); + +/** + * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer + * @pcm: PCM caps bits + * @buf: the string buffer to write + * @buflen: the max buffer length + * + * used by hda_proc.c and hda_eld.c + */ +void snd_print_pcm_bits(int pcm, char *buf, int buflen) +{ + static unsigned int bits[] = { 8, 16, 20, 24, 32 }; + int i, j; + + for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++) + if (pcm & (AC_SUPPCM_BITS_8 << i)) + j += snprintf(buf + j, buflen - j, " %d", bits[i]); + + buf[j] = '\0'; /* necessary when j == 0 */ +} +EXPORT_SYMBOL_HDA(snd_print_pcm_bits); + +MODULE_DESCRIPTION("HDA codec core"); +MODULE_LICENSE("GPL"); |