| /* |
| * Universal Interface for Intel High Definition Audio Codec |
| * |
| * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> |
| * |
| * |
| * This driver is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This driver is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/delay.h> |
| #include <linux/slab.h> |
| #include <linux/pci.h> |
| #include <linux/mutex.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 <sound/hda_hwdep.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); |
| err = bus->ops.command(bus, cmd); |
| if (!err && res) |
| *res = bus->ops.get_response(bus, codec->addr); |
| 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"); |
| 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++) |
| 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; |
| |
| 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; |
| 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->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(codec, 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; |
| snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0); |
| 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_pin_sense - execute pin sense measurement |
| * @codec: the CODEC to sense |
| * @nid: the pin NID to sense |
| * |
| * Execute necessary pin sense measurement and return its Presence Detect, |
| * Impedance, ELD Valid etc. status bits. |
| */ |
| u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid) |
| { |
| u32 pincap; |
| |
| if (!codec->no_trigger_sense) { |
| pincap = snd_hda_query_pin_caps(codec, nid); |
| if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */ |
| snd_hda_codec_read(codec, nid, 0, |
| AC_VERB_SET_PIN_SENSE, 0); |
| } |
| return snd_hda_codec_read(codec, nid, 0, |
| AC_VERB_GET_PIN_SENSE, 0); |
| } |
| EXPORT_SYMBOL_HDA(snd_hda_pin_sense); |
| |
| /** |
| * snd_hda_jack_detect - query pin Presence Detect status |
| * @codec: the CODEC to sense |
| * @nid: the pin NID to sense |
| * |
| * Query and return the pin's Presence Detect status. |
| */ |
| int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid) |
| { |
| u32 sense = snd_hda_pin_sense(codec, nid); |
| return !!(sense & AC_PINSENSE_PRESENCE); |
| } |
| EXPORT_SYMBOL_HDA(snd_hda_jack_detect); |
| |
| /* |
| * 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; |
| 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) |
| 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); |
| 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; |
| } |
| |
| /** |
| * 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) |
| * |
| * 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) |
| { |
| struct snd_kcontrol *kctl; |
| const char * const *s; |
| int err; |
| |
| for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++) |
| ; |
| if (!*s) { |
| 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; |
| |
| for (s = slaves; *s; s++) { |
| struct snd_kcontrol *sctl; |
| int i = 0; |
| for (;;) { |
| sctl = _snd_hda_find_mixer_ctl(codec, *s, i); |
| if (!sctl) { |
| if (!i) |
| snd_printdd("Cannot find slave %s, " |
| "skipped\n", *s); |
| break; |
| } |
| err = snd_ctl_add_slave(kctl, sctl); |
| if (err < 0) |
| return err; |
| i++; |
| } |
| } |
| return 0; |
| } |
| EXPORT_SYMBOL_HDA(snd_hda_add_vmaster); |
| |
| /** |
| * 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); |
| 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]; |
| |
| 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 long vendorid = (q->subdevice) | (q->subvendor << 16); |
| |
| if (vendorid == codec->subsystem_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; |
| } |
| |
| 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; |
| |
| 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->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->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; |
| } |
| } |
| } |
| } |
| |
| /* |
| * 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_def_config(struct hda_codec *codec, |
| struct auto_pin_cfg *cfg, |
| const hda_nid_t *ignore_nids) |
| { |
| hda_nid_t nid, end_nid; |
| short seq, assoc_line_out, assoc_speaker; |
| 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 = assoc_speaker = 0; |
| |
| 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); |
| 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 (!assoc) |
| continue; |
| if (!assoc_speaker) |
| assoc_speaker = assoc; |
| else if (assoc_speaker != assoc) |
| continue; |
| if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) |
| continue; |
| cfg->speaker_pins[cfg->speaker_outs] = nid; |
| sequences_speaker[cfg->speaker_outs] = 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) { |
| 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) { |
| 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 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 |
| */ |
| switch (cfg->line_outs) { |
| case 3: |
| case 4: |
| nid = cfg->line_out_pins[1]; |
| cfg->line_out_pins[1] = cfg->line_out_pins[2]; |
| cfg->line_out_pins[2] = nid; |
| break; |
| } |
| |
| 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_def_config); |
| |
| 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". |
| */ |
| |
| const char *hda_get_input_pin_label(struct hda_codec *codec, hda_nid_t pin, |
| int 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"; |
| } |
| } |
| EXPORT_SYMBOL_HDA(hda_get_input_pin_label); |
| |
| /* 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); |
| |
| /** |
| * 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_rates - Print the supported PCM rates 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_rates(int pcm, char *buf, int buflen) |
| { |
| static unsigned int rates[] = { |
| 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200, |
| 96000, 176400, 192000, 384000 |
| }; |
| int i, j; |
| |
| for (i = 0, j = 0; i < ARRAY_SIZE(rates); i++) |
| if (pcm & (1 << i)) |
| j += snprintf(buf + j, buflen - j, " %d", rates[i]); |
| |
| buf[j] = '\0'; /* necessary when j == 0 */ |
| } |
| EXPORT_SYMBOL_HDA(snd_print_pcm_rates); |
| |
| /** |
| * 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); |
| |
| #ifdef CONFIG_SND_HDA_INPUT_JACK |
| /* |
| * Input-jack notification support |
| */ |
| struct hda_jack_item { |
| hda_nid_t nid; |
| int type; |
| struct snd_jack *jack; |
| }; |
| |
| static const char *get_jack_default_name(struct hda_codec *codec, hda_nid_t nid, |
| int type) |
| { |
| switch (type) { |
| case SND_JACK_HEADPHONE: |
| return "Headphone"; |
| case SND_JACK_MICROPHONE: |
| return "Mic"; |
| case SND_JACK_LINEOUT: |
| return "Line-out"; |
| case SND_JACK_HEADSET: |
| return "Headset"; |
| case SND_JACK_VIDEOOUT: |
| return "HDMI/DP"; |
| default: |
| return "Misc"; |
| } |
| } |
| |
| static void hda_free_jack_priv(struct snd_jack *jack) |
| { |
| struct hda_jack_item *jacks = jack->private_data; |
| jacks->nid = 0; |
| jacks->jack = NULL; |
| } |
| |
| int snd_hda_input_jack_add(struct hda_codec *codec, hda_nid_t nid, int type, |
| const char *name) |
| { |
| struct hda_jack_item *jack; |
| int err; |
| |
| snd_array_init(&codec->jacks, sizeof(*jack), 32); |
| jack = snd_array_new(&codec->jacks); |
| if (!jack) |
| return -ENOMEM; |
| |
| jack->nid = nid; |
| jack->type = type; |
| if (!name) |
| name = get_jack_default_name(codec, nid, type); |
| err = snd_jack_new(codec->bus->card, name, type, &jack->jack); |
| if (err < 0) { |
| jack->nid = 0; |
| return err; |
| } |
| jack->jack->private_data = jack; |
| jack->jack->private_free = hda_free_jack_priv; |
| return 0; |
| } |
| EXPORT_SYMBOL_HDA(snd_hda_input_jack_add); |
| |
| void snd_hda_input_jack_report(struct hda_codec *codec, hda_nid_t nid) |
| { |
| struct hda_jack_item *jacks = codec->jacks.list; |
| int i; |
| |
| if (!jacks) |
| return; |
| |
| for (i = 0; i < codec->jacks.used; i++, jacks++) { |
| unsigned int pin_ctl; |
| unsigned int present; |
| int type; |
| |
| if (jacks->nid != nid) |
| continue; |
| present = snd_hda_jack_detect(codec, nid); |
| type = jacks->type; |
| if (type == (SND_JACK_HEADPHONE | SND_JACK_LINEOUT)) { |
| pin_ctl = snd_hda_codec_read(codec, nid, 0, |
| AC_VERB_GET_PIN_WIDGET_CONTROL, 0); |
| type = (pin_ctl & AC_PINCTL_HP_EN) ? |
| SND_JACK_HEADPHONE : SND_JACK_LINEOUT; |
| } |
| snd_jack_report(jacks->jack, present ? type : 0); |
| } |
| } |
| EXPORT_SYMBOL_HDA(snd_hda_input_jack_report); |
| |
| /* free jack instances manually when clearing/reconfiguring */ |
| void snd_hda_input_jack_free(struct hda_codec *codec) |
| { |
| if (!codec->bus->shutdown && codec->jacks.list) { |
| struct hda_jack_item *jacks = codec->jacks.list; |
| int i; |
| for (i = 0; i < codec->jacks.used; i++, jacks++) { |
| if (jacks->jack) |
| snd_device_free(codec->bus->card, jacks->jack); |
| } |
| } |
| snd_array_free(&codec->jacks); |
| } |
| EXPORT_SYMBOL_HDA(snd_hda_input_jack_free); |
| #endif /* CONFIG_SND_HDA_INPUT_JACK */ |
| |
| MODULE_DESCRIPTION("HDA codec core"); |
| MODULE_LICENSE("GPL"); |
