diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/hda/hda_generic.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/hda/hda_generic.c | 1085 |
1 files changed, 0 insertions, 1085 deletions
diff --git a/ANDROID_3.4.5/sound/pci/hda/hda_generic.c b/ANDROID_3.4.5/sound/pci/hda/hda_generic.c deleted file mode 100644 index 431bf868..00000000 --- a/ANDROID_3.4.5/sound/pci/hda/hda_generic.c +++ /dev/null @@ -1,1085 +0,0 @@ -/* - * Universal Interface for Intel High Definition Audio Codec - * - * Generic widget tree parser - * - * 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/slab.h> -#include <linux/export.h> -#include <sound/core.h> -#include "hda_codec.h" -#include "hda_local.h" - -/* widget node for parsing */ -struct hda_gnode { - hda_nid_t nid; /* NID of this widget */ - unsigned short nconns; /* number of input connections */ - hda_nid_t *conn_list; - hda_nid_t slist[2]; /* temporay list */ - unsigned int wid_caps; /* widget capabilities */ - unsigned char type; /* widget type */ - unsigned char pin_ctl; /* pin controls */ - unsigned char checked; /* the flag indicates that the node is already parsed */ - unsigned int pin_caps; /* pin widget capabilities */ - unsigned int def_cfg; /* default configuration */ - unsigned int amp_out_caps; /* AMP out capabilities */ - unsigned int amp_in_caps; /* AMP in capabilities */ - struct list_head list; -}; - -/* patch-specific record */ - -#define MAX_PCM_VOLS 2 -struct pcm_vol { - struct hda_gnode *node; /* Node for PCM volume */ - unsigned int index; /* connection of PCM volume */ -}; - -struct hda_gspec { - struct hda_gnode *dac_node[2]; /* DAC node */ - struct hda_gnode *out_pin_node[2]; /* Output pin (Line-Out) node */ - struct pcm_vol pcm_vol[MAX_PCM_VOLS]; /* PCM volumes */ - unsigned int pcm_vol_nodes; /* number of PCM volumes */ - - struct hda_gnode *adc_node; /* ADC node */ - struct hda_gnode *cap_vol_node; /* Node for capture volume */ - unsigned int cur_cap_src; /* current capture source */ - struct hda_input_mux input_mux; - - unsigned int def_amp_in_caps; - unsigned int def_amp_out_caps; - - struct hda_pcm pcm_rec; /* PCM information */ - - struct list_head nid_list; /* list of widgets */ - -#ifdef CONFIG_SND_HDA_POWER_SAVE -#define MAX_LOOPBACK_AMPS 7 - struct hda_loopback_check loopback; - int num_loopbacks; - struct hda_amp_list loopback_list[MAX_LOOPBACK_AMPS + 1]; -#endif -}; - -/* - * retrieve the default device type from the default config value - */ -#define defcfg_type(node) (((node)->def_cfg & AC_DEFCFG_DEVICE) >> \ - AC_DEFCFG_DEVICE_SHIFT) -#define defcfg_location(node) (((node)->def_cfg & AC_DEFCFG_LOCATION) >> \ - AC_DEFCFG_LOCATION_SHIFT) -#define defcfg_port_conn(node) (((node)->def_cfg & AC_DEFCFG_PORT_CONN) >> \ - AC_DEFCFG_PORT_CONN_SHIFT) - -/* - * destructor - */ -static void snd_hda_generic_free(struct hda_codec *codec) -{ - struct hda_gspec *spec = codec->spec; - struct hda_gnode *node, *n; - - if (! spec) - return; - /* free all widgets */ - list_for_each_entry_safe(node, n, &spec->nid_list, list) { - if (node->conn_list != node->slist) - kfree(node->conn_list); - kfree(node); - } - kfree(spec); -} - - -/* - * add a new widget node and read its attributes - */ -static int add_new_node(struct hda_codec *codec, struct hda_gspec *spec, hda_nid_t nid) -{ - struct hda_gnode *node; - int nconns; - hda_nid_t conn_list[HDA_MAX_CONNECTIONS]; - - node = kzalloc(sizeof(*node), GFP_KERNEL); - if (node == NULL) - return -ENOMEM; - node->nid = nid; - node->wid_caps = get_wcaps(codec, nid); - node->type = get_wcaps_type(node->wid_caps); - if (node->wid_caps & AC_WCAP_CONN_LIST) { - nconns = snd_hda_get_connections(codec, nid, conn_list, - HDA_MAX_CONNECTIONS); - if (nconns < 0) { - kfree(node); - return nconns; - } - } else { - nconns = 0; - } - if (nconns <= ARRAY_SIZE(node->slist)) - node->conn_list = node->slist; - else { - node->conn_list = kmalloc(sizeof(hda_nid_t) * nconns, - GFP_KERNEL); - if (! node->conn_list) { - snd_printk(KERN_ERR "hda-generic: cannot malloc\n"); - kfree(node); - return -ENOMEM; - } - } - memcpy(node->conn_list, conn_list, nconns * sizeof(hda_nid_t)); - node->nconns = nconns; - - if (node->type == AC_WID_PIN) { - node->pin_caps = snd_hda_query_pin_caps(codec, node->nid); - node->pin_ctl = snd_hda_codec_read(codec, node->nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0); - node->def_cfg = snd_hda_codec_get_pincfg(codec, node->nid); - } - - if (node->wid_caps & AC_WCAP_OUT_AMP) { - if (node->wid_caps & AC_WCAP_AMP_OVRD) - node->amp_out_caps = snd_hda_param_read(codec, node->nid, AC_PAR_AMP_OUT_CAP); - if (! node->amp_out_caps) - node->amp_out_caps = spec->def_amp_out_caps; - } - if (node->wid_caps & AC_WCAP_IN_AMP) { - if (node->wid_caps & AC_WCAP_AMP_OVRD) - node->amp_in_caps = snd_hda_param_read(codec, node->nid, AC_PAR_AMP_IN_CAP); - if (! node->amp_in_caps) - node->amp_in_caps = spec->def_amp_in_caps; - } - list_add_tail(&node->list, &spec->nid_list); - return 0; -} - -/* - * build the AFG subtree - */ -static int build_afg_tree(struct hda_codec *codec) -{ - struct hda_gspec *spec = codec->spec; - int i, nodes, err; - hda_nid_t nid; - - if (snd_BUG_ON(!spec)) - return -EINVAL; - - spec->def_amp_out_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_OUT_CAP); - spec->def_amp_in_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_IN_CAP); - - nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid); - if (! nid || nodes < 0) { - printk(KERN_ERR "Invalid AFG subtree\n"); - return -EINVAL; - } - - /* parse all nodes belonging to the AFG */ - for (i = 0; i < nodes; i++, nid++) { - if ((err = add_new_node(codec, spec, nid)) < 0) - return err; - } - - return 0; -} - - -/* - * look for the node record for the given NID - */ -/* FIXME: should avoid the braindead linear search */ -static struct hda_gnode *hda_get_node(struct hda_gspec *spec, hda_nid_t nid) -{ - struct hda_gnode *node; - - list_for_each_entry(node, &spec->nid_list, list) { - if (node->nid == nid) - return node; - } - return NULL; -} - -/* - * unmute (and set max vol) the output amplifier - */ -static int unmute_output(struct hda_codec *codec, struct hda_gnode *node) -{ - unsigned int val, ofs; - snd_printdd("UNMUTE OUT: NID=0x%x\n", node->nid); - val = (node->amp_out_caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; - ofs = (node->amp_out_caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT; - if (val >= ofs) - val -= ofs; - snd_hda_codec_amp_stereo(codec, node->nid, HDA_OUTPUT, 0, 0xff, val); - return 0; -} - -/* - * unmute (and set max vol) the input amplifier - */ -static int unmute_input(struct hda_codec *codec, struct hda_gnode *node, unsigned int index) -{ - unsigned int val, ofs; - snd_printdd("UNMUTE IN: NID=0x%x IDX=0x%x\n", node->nid, index); - val = (node->amp_in_caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; - ofs = (node->amp_in_caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT; - if (val >= ofs) - val -= ofs; - snd_hda_codec_amp_stereo(codec, node->nid, HDA_INPUT, index, 0xff, val); - return 0; -} - -/* - * select the input connection of the given node. - */ -static int select_input_connection(struct hda_codec *codec, struct hda_gnode *node, - unsigned int index) -{ - snd_printdd("CONNECT: NID=0x%x IDX=0x%x\n", node->nid, index); - return snd_hda_codec_write_cache(codec, node->nid, 0, - AC_VERB_SET_CONNECT_SEL, index); -} - -/* - * clear checked flag of each node in the node list - */ -static void clear_check_flags(struct hda_gspec *spec) -{ - struct hda_gnode *node; - - list_for_each_entry(node, &spec->nid_list, list) { - node->checked = 0; - } -} - -/* - * parse the output path recursively until reach to an audio output widget - * - * returns 0 if not found, 1 if found, or a negative error code. - */ -static int parse_output_path(struct hda_codec *codec, struct hda_gspec *spec, - struct hda_gnode *node, int dac_idx) -{ - int i, err; - struct hda_gnode *child; - - if (node->checked) - return 0; - - node->checked = 1; - if (node->type == AC_WID_AUD_OUT) { - if (node->wid_caps & AC_WCAP_DIGITAL) { - snd_printdd("Skip Digital OUT node %x\n", node->nid); - return 0; - } - snd_printdd("AUD_OUT found %x\n", node->nid); - if (spec->dac_node[dac_idx]) { - /* already DAC node is assigned, just unmute & connect */ - return node == spec->dac_node[dac_idx]; - } - spec->dac_node[dac_idx] = node; - if ((node->wid_caps & AC_WCAP_OUT_AMP) && - spec->pcm_vol_nodes < MAX_PCM_VOLS) { - spec->pcm_vol[spec->pcm_vol_nodes].node = node; - spec->pcm_vol[spec->pcm_vol_nodes].index = 0; - spec->pcm_vol_nodes++; - } - return 1; /* found */ - } - - for (i = 0; i < node->nconns; i++) { - child = hda_get_node(spec, node->conn_list[i]); - if (! child) - continue; - err = parse_output_path(codec, spec, child, dac_idx); - if (err < 0) - return err; - else if (err > 0) { - /* found one, - * select the path, unmute both input and output - */ - if (node->nconns > 1) - select_input_connection(codec, node, i); - unmute_input(codec, node, i); - unmute_output(codec, node); - if (spec->dac_node[dac_idx] && - spec->pcm_vol_nodes < MAX_PCM_VOLS && - !(spec->dac_node[dac_idx]->wid_caps & - AC_WCAP_OUT_AMP)) { - if ((node->wid_caps & AC_WCAP_IN_AMP) || - (node->wid_caps & AC_WCAP_OUT_AMP)) { - int n = spec->pcm_vol_nodes; - spec->pcm_vol[n].node = node; - spec->pcm_vol[n].index = i; - spec->pcm_vol_nodes++; - } - } - return 1; - } - } - return 0; -} - -/* - * Look for the output PIN widget with the given jack type - * and parse the output path to that PIN. - * - * Returns the PIN node when the path to DAC is established. - */ -static struct hda_gnode *parse_output_jack(struct hda_codec *codec, - struct hda_gspec *spec, - int jack_type) -{ - struct hda_gnode *node; - int err; - - list_for_each_entry(node, &spec->nid_list, list) { - if (node->type != AC_WID_PIN) - continue; - /* output capable? */ - if (! (node->pin_caps & AC_PINCAP_OUT)) - continue; - if (defcfg_port_conn(node) == AC_JACK_PORT_NONE) - continue; /* unconnected */ - if (jack_type >= 0) { - if (jack_type != defcfg_type(node)) - continue; - if (node->wid_caps & AC_WCAP_DIGITAL) - continue; /* skip SPDIF */ - } else { - /* output as default? */ - if (! (node->pin_ctl & AC_PINCTL_OUT_EN)) - continue; - } - clear_check_flags(spec); - err = parse_output_path(codec, spec, node, 0); - if (err < 0) - return NULL; - if (! err && spec->out_pin_node[0]) { - err = parse_output_path(codec, spec, node, 1); - if (err < 0) - return NULL; - } - if (err > 0) { - /* unmute the PIN output */ - unmute_output(codec, node); - /* set PIN-Out enable */ - snd_hda_codec_write_cache(codec, node->nid, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, - AC_PINCTL_OUT_EN | - ((node->pin_caps & AC_PINCAP_HP_DRV) ? - AC_PINCTL_HP_EN : 0)); - return node; - } - } - return NULL; -} - - -/* - * parse outputs - */ -static int parse_output(struct hda_codec *codec) -{ - struct hda_gspec *spec = codec->spec; - struct hda_gnode *node; - - /* - * Look for the output PIN widget - */ - /* first, look for the line-out pin */ - node = parse_output_jack(codec, spec, AC_JACK_LINE_OUT); - if (node) /* found, remember the PIN node */ - spec->out_pin_node[0] = node; - else { - /* if no line-out is found, try speaker out */ - node = parse_output_jack(codec, spec, AC_JACK_SPEAKER); - if (node) - spec->out_pin_node[0] = node; - } - /* look for the HP-out pin */ - node = parse_output_jack(codec, spec, AC_JACK_HP_OUT); - if (node) { - if (! spec->out_pin_node[0]) - spec->out_pin_node[0] = node; - else - spec->out_pin_node[1] = node; - } - - if (! spec->out_pin_node[0]) { - /* no line-out or HP pins found, - * then choose for the first output pin - */ - spec->out_pin_node[0] = parse_output_jack(codec, spec, -1); - if (! spec->out_pin_node[0]) - snd_printd("hda_generic: no proper output path found\n"); - } - - return 0; -} - -/* - * input MUX - */ - -/* control callbacks */ -static int capture_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) -{ - struct hda_codec *codec = snd_kcontrol_chip(kcontrol); - struct hda_gspec *spec = codec->spec; - return snd_hda_input_mux_info(&spec->input_mux, uinfo); -} - -static int capture_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct hda_codec *codec = snd_kcontrol_chip(kcontrol); - struct hda_gspec *spec = codec->spec; - - ucontrol->value.enumerated.item[0] = spec->cur_cap_src; - return 0; -} - -static int capture_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct hda_codec *codec = snd_kcontrol_chip(kcontrol); - struct hda_gspec *spec = codec->spec; - return snd_hda_input_mux_put(codec, &spec->input_mux, ucontrol, - spec->adc_node->nid, &spec->cur_cap_src); -} - -/* - * return the string name of the given input PIN widget - */ -static const char *get_input_type(struct hda_gnode *node, unsigned int *pinctl) -{ - unsigned int location = defcfg_location(node); - switch (defcfg_type(node)) { - case AC_JACK_LINE_IN: - if ((location & 0x0f) == AC_JACK_LOC_FRONT) - return "Front Line"; - return "Line"; - case AC_JACK_CD: -#if 0 - if (pinctl) - *pinctl |= AC_PINCTL_VREF_GRD; -#endif - return "CD"; - case AC_JACK_AUX: - if ((location & 0x0f) == AC_JACK_LOC_FRONT) - return "Front Aux"; - return "Aux"; - case AC_JACK_MIC_IN: - if (pinctl && - (node->pin_caps & - (AC_PINCAP_VREF_80 << AC_PINCAP_VREF_SHIFT))) - *pinctl |= AC_PINCTL_VREF_80; - if ((location & 0x0f) == AC_JACK_LOC_FRONT) - return "Front Mic"; - return "Mic"; - case AC_JACK_SPDIF_IN: - return "SPDIF"; - case AC_JACK_DIG_OTHER_IN: - return "Digital"; - } - return NULL; -} - -/* - * parse the nodes recursively until reach to the input PIN - * - * returns 0 if not found, 1 if found, or a negative error code. - */ -static int parse_adc_sub_nodes(struct hda_codec *codec, struct hda_gspec *spec, - struct hda_gnode *node, int idx) -{ - int i, err; - unsigned int pinctl; - const char *type; - - if (node->checked) - return 0; - - node->checked = 1; - if (node->type != AC_WID_PIN) { - for (i = 0; i < node->nconns; i++) { - struct hda_gnode *child; - child = hda_get_node(spec, node->conn_list[i]); - if (! child) - continue; - err = parse_adc_sub_nodes(codec, spec, child, idx); - if (err < 0) - return err; - if (err > 0) { - /* found one, - * select the path, unmute both input and output - */ - if (node->nconns > 1) - select_input_connection(codec, node, i); - unmute_input(codec, node, i); - unmute_output(codec, node); - return err; - } - } - return 0; - } - - /* input capable? */ - if (! (node->pin_caps & AC_PINCAP_IN)) - return 0; - - if (defcfg_port_conn(node) == AC_JACK_PORT_NONE) - return 0; /* unconnected */ - - if (node->wid_caps & AC_WCAP_DIGITAL) - return 0; /* skip SPDIF */ - - if (spec->input_mux.num_items >= HDA_MAX_NUM_INPUTS) { - snd_printk(KERN_ERR "hda_generic: Too many items for capture\n"); - return -EINVAL; - } - - pinctl = AC_PINCTL_IN_EN; - /* create a proper capture source label */ - type = get_input_type(node, &pinctl); - if (! type) { - /* input as default? */ - if (! (node->pin_ctl & AC_PINCTL_IN_EN)) - return 0; - type = "Input"; - } - snd_hda_add_imux_item(&spec->input_mux, type, idx, NULL); - - /* unmute the PIN external input */ - unmute_input(codec, node, 0); /* index = 0? */ - /* set PIN-In enable */ - snd_hda_codec_write_cache(codec, node->nid, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, pinctl); - - return 1; /* found */ -} - -/* - * parse input - */ -static int parse_input_path(struct hda_codec *codec, struct hda_gnode *adc_node) -{ - struct hda_gspec *spec = codec->spec; - struct hda_gnode *node; - int i, err; - - snd_printdd("AUD_IN = %x\n", adc_node->nid); - clear_check_flags(spec); - - // awk added - fixed no recording due to muted widget - unmute_input(codec, adc_node, 0); - - /* - * check each connection of the ADC - * if it reaches to a proper input PIN, add the path as the - * input path. - */ - /* first, check the direct connections to PIN widgets */ - for (i = 0; i < adc_node->nconns; i++) { - node = hda_get_node(spec, adc_node->conn_list[i]); - if (node && node->type == AC_WID_PIN) { - err = parse_adc_sub_nodes(codec, spec, node, i); - if (err < 0) - return err; - } - } - /* ... then check the rests, more complicated connections */ - for (i = 0; i < adc_node->nconns; i++) { - node = hda_get_node(spec, adc_node->conn_list[i]); - if (node && node->type != AC_WID_PIN) { - err = parse_adc_sub_nodes(codec, spec, node, i); - if (err < 0) - return err; - } - } - - if (! spec->input_mux.num_items) - return 0; /* no input path found... */ - - snd_printdd("[Capture Source] NID=0x%x, #SRC=%d\n", adc_node->nid, spec->input_mux.num_items); - for (i = 0; i < spec->input_mux.num_items; i++) - snd_printdd(" [%s] IDX=0x%x\n", spec->input_mux.items[i].label, - spec->input_mux.items[i].index); - - spec->adc_node = adc_node; - return 1; -} - -/* - * parse input - */ -static int parse_input(struct hda_codec *codec) -{ - struct hda_gspec *spec = codec->spec; - struct hda_gnode *node; - int err; - - /* - * At first we look for an audio input widget. - * If it reaches to certain input PINs, we take it as the - * input path. - */ - list_for_each_entry(node, &spec->nid_list, list) { - if (node->wid_caps & AC_WCAP_DIGITAL) - continue; /* skip SPDIF */ - if (node->type == AC_WID_AUD_IN) { - err = parse_input_path(codec, node); - if (err < 0) - return err; - else if (err > 0) - return 0; - } - } - snd_printd("hda_generic: no proper input path found\n"); - return 0; -} - -#ifdef CONFIG_SND_HDA_POWER_SAVE -static void add_input_loopback(struct hda_codec *codec, hda_nid_t nid, - int dir, int idx) -{ - struct hda_gspec *spec = codec->spec; - struct hda_amp_list *p; - - if (spec->num_loopbacks >= MAX_LOOPBACK_AMPS) { - snd_printk(KERN_ERR "hda_generic: Too many loopback ctls\n"); - return; - } - p = &spec->loopback_list[spec->num_loopbacks++]; - p->nid = nid; - p->dir = dir; - p->idx = idx; - spec->loopback.amplist = spec->loopback_list; -} -#else -#define add_input_loopback(codec,nid,dir,idx) -#endif - -/* - * create mixer controls if possible - */ -static int create_mixer(struct hda_codec *codec, struct hda_gnode *node, - unsigned int index, const char *type, - const char *dir_sfx, int is_loopback) -{ - char name[32]; - int err; - int created = 0; - struct snd_kcontrol_new knew; - - if (type) - sprintf(name, "%s %s Switch", type, dir_sfx); - else - sprintf(name, "%s Switch", dir_sfx); - if ((node->wid_caps & AC_WCAP_IN_AMP) && - (node->amp_in_caps & AC_AMPCAP_MUTE)) { - knew = (struct snd_kcontrol_new)HDA_CODEC_MUTE(name, node->nid, index, HDA_INPUT); - if (is_loopback) - add_input_loopback(codec, node->nid, HDA_INPUT, index); - snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); - err = snd_hda_ctl_add(codec, node->nid, - snd_ctl_new1(&knew, codec)); - if (err < 0) - return err; - created = 1; - } else if ((node->wid_caps & AC_WCAP_OUT_AMP) && - (node->amp_out_caps & AC_AMPCAP_MUTE)) { - knew = (struct snd_kcontrol_new)HDA_CODEC_MUTE(name, node->nid, 0, HDA_OUTPUT); - if (is_loopback) - add_input_loopback(codec, node->nid, HDA_OUTPUT, 0); - snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); - err = snd_hda_ctl_add(codec, node->nid, - snd_ctl_new1(&knew, codec)); - if (err < 0) - return err; - created = 1; - } - - if (type) - sprintf(name, "%s %s Volume", type, dir_sfx); - else - sprintf(name, "%s Volume", dir_sfx); - if ((node->wid_caps & AC_WCAP_IN_AMP) && - (node->amp_in_caps & AC_AMPCAP_NUM_STEPS)) { - knew = (struct snd_kcontrol_new)HDA_CODEC_VOLUME(name, node->nid, index, HDA_INPUT); - snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); - err = snd_hda_ctl_add(codec, node->nid, - snd_ctl_new1(&knew, codec)); - if (err < 0) - return err; - created = 1; - } else if ((node->wid_caps & AC_WCAP_OUT_AMP) && - (node->amp_out_caps & AC_AMPCAP_NUM_STEPS)) { - knew = (struct snd_kcontrol_new)HDA_CODEC_VOLUME(name, node->nid, 0, HDA_OUTPUT); - snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); - err = snd_hda_ctl_add(codec, node->nid, - snd_ctl_new1(&knew, codec)); - if (err < 0) - return err; - created = 1; - } - - return created; -} - -/* - * check whether the controls with the given name and direction suffix already exist - */ -static int check_existing_control(struct hda_codec *codec, const char *type, const char *dir) -{ - struct snd_ctl_elem_id id; - memset(&id, 0, sizeof(id)); - sprintf(id.name, "%s %s Volume", type, dir); - id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; - if (snd_ctl_find_id(codec->bus->card, &id)) - return 1; - sprintf(id.name, "%s %s Switch", type, dir); - id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; - if (snd_ctl_find_id(codec->bus->card, &id)) - return 1; - return 0; -} - -/* - * build output mixer controls - */ -static int create_output_mixers(struct hda_codec *codec, - const char * const *names) -{ - struct hda_gspec *spec = codec->spec; - int i, err; - - for (i = 0; i < spec->pcm_vol_nodes; i++) { - err = create_mixer(codec, spec->pcm_vol[i].node, - spec->pcm_vol[i].index, - names[i], "Playback", 0); - if (err < 0) - return err; - } - return 0; -} - -static int build_output_controls(struct hda_codec *codec) -{ - struct hda_gspec *spec = codec->spec; - static const char * const types_speaker[] = { "Speaker", "Headphone" }; - static const char * const types_line[] = { "Front", "Headphone" }; - - switch (spec->pcm_vol_nodes) { - case 1: - return create_mixer(codec, spec->pcm_vol[0].node, - spec->pcm_vol[0].index, - "Master", "Playback", 0); - case 2: - if (defcfg_type(spec->out_pin_node[0]) == AC_JACK_SPEAKER) - return create_output_mixers(codec, types_speaker); - else - return create_output_mixers(codec, types_line); - } - return 0; -} - -/* create capture volume/switch */ -static int build_input_controls(struct hda_codec *codec) -{ - struct hda_gspec *spec = codec->spec; - struct hda_gnode *adc_node = spec->adc_node; - int i, err; - static struct snd_kcontrol_new cap_sel = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Capture Source", - .info = capture_source_info, - .get = capture_source_get, - .put = capture_source_put, - }; - - if (! adc_node || ! spec->input_mux.num_items) - return 0; /* not found */ - - spec->cur_cap_src = 0; - select_input_connection(codec, adc_node, - spec->input_mux.items[0].index); - - /* create capture volume and switch controls if the ADC has an amp */ - /* do we have only a single item? */ - if (spec->input_mux.num_items == 1) { - err = create_mixer(codec, adc_node, - spec->input_mux.items[0].index, - NULL, "Capture", 0); - if (err < 0) - return err; - return 0; - } - - /* create input MUX if multiple sources are available */ - err = snd_hda_ctl_add(codec, spec->adc_node->nid, - snd_ctl_new1(&cap_sel, codec)); - if (err < 0) - return err; - - /* no volume control? */ - if (! (adc_node->wid_caps & AC_WCAP_IN_AMP) || - ! (adc_node->amp_in_caps & AC_AMPCAP_NUM_STEPS)) - return 0; - - for (i = 0; i < spec->input_mux.num_items; i++) { - struct snd_kcontrol_new knew; - char name[32]; - sprintf(name, "%s Capture Volume", - spec->input_mux.items[i].label); - knew = (struct snd_kcontrol_new) - HDA_CODEC_VOLUME(name, adc_node->nid, - spec->input_mux.items[i].index, - HDA_INPUT); - err = snd_hda_ctl_add(codec, adc_node->nid, - snd_ctl_new1(&knew, codec)); - if (err < 0) - return err; - } - - return 0; -} - - -/* - * parse the nodes recursively until reach to the output PIN. - * - * returns 0 - if not found, - * 1 - if found, but no mixer is created - * 2 - if found and mixer was already created, (just skip) - * a negative error code - */ -static int parse_loopback_path(struct hda_codec *codec, struct hda_gspec *spec, - struct hda_gnode *node, struct hda_gnode *dest_node, - const char *type) -{ - int i, err; - - if (node->checked) - return 0; - - node->checked = 1; - if (node == dest_node) { - /* loopback connection found */ - return 1; - } - - for (i = 0; i < node->nconns; i++) { - struct hda_gnode *child = hda_get_node(spec, node->conn_list[i]); - if (! child) - continue; - err = parse_loopback_path(codec, spec, child, dest_node, type); - if (err < 0) - return err; - else if (err >= 1) { - if (err == 1) { - err = create_mixer(codec, node, i, type, - "Playback", 1); - if (err < 0) - return err; - if (err > 0) - return 2; /* ok, created */ - /* not created, maybe in the lower path */ - err = 1; - } - /* connect and unmute */ - if (node->nconns > 1) - select_input_connection(codec, node, i); - unmute_input(codec, node, i); - unmute_output(codec, node); - return err; - } - } - return 0; -} - -/* - * parse the tree and build the loopback controls - */ -static int build_loopback_controls(struct hda_codec *codec) -{ - struct hda_gspec *spec = codec->spec; - struct hda_gnode *node; - int err; - const char *type; - - if (! spec->out_pin_node[0]) - return 0; - - list_for_each_entry(node, &spec->nid_list, list) { - if (node->type != AC_WID_PIN) - continue; - /* input capable? */ - if (! (node->pin_caps & AC_PINCAP_IN)) - return 0; - type = get_input_type(node, NULL); - if (type) { - if (check_existing_control(codec, type, "Playback")) - continue; - clear_check_flags(spec); - err = parse_loopback_path(codec, spec, - spec->out_pin_node[0], - node, type); - if (err < 0) - return err; - if (! err) - continue; - } - } - return 0; -} - -/* - * build mixer controls - */ -static int build_generic_controls(struct hda_codec *codec) -{ - int err; - - if ((err = build_input_controls(codec)) < 0 || - (err = build_output_controls(codec)) < 0 || - (err = build_loopback_controls(codec)) < 0) - return err; - - return 0; -} - -/* - * PCM - */ -static struct hda_pcm_stream generic_pcm_playback = { - .substreams = 1, - .channels_min = 2, - .channels_max = 2, -}; - -static int generic_pcm2_prepare(struct hda_pcm_stream *hinfo, - struct hda_codec *codec, - unsigned int stream_tag, - unsigned int format, - struct snd_pcm_substream *substream) -{ - struct hda_gspec *spec = codec->spec; - - snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format); - snd_hda_codec_setup_stream(codec, spec->dac_node[1]->nid, - stream_tag, 0, format); - return 0; -} - -static int generic_pcm2_cleanup(struct hda_pcm_stream *hinfo, - struct hda_codec *codec, - struct snd_pcm_substream *substream) -{ - struct hda_gspec *spec = codec->spec; - - snd_hda_codec_cleanup_stream(codec, hinfo->nid); - snd_hda_codec_cleanup_stream(codec, spec->dac_node[1]->nid); - return 0; -} - -static int build_generic_pcms(struct hda_codec *codec) -{ - struct hda_gspec *spec = codec->spec; - struct hda_pcm *info = &spec->pcm_rec; - - if (! spec->dac_node[0] && ! spec->adc_node) { - snd_printd("hda_generic: no PCM found\n"); - return 0; - } - - codec->num_pcms = 1; - codec->pcm_info = info; - - info->name = "HDA Generic"; - if (spec->dac_node[0]) { - info->stream[0] = generic_pcm_playback; - info->stream[0].nid = spec->dac_node[0]->nid; - if (spec->dac_node[1]) { - info->stream[0].ops.prepare = generic_pcm2_prepare; - info->stream[0].ops.cleanup = generic_pcm2_cleanup; - } - } - if (spec->adc_node) { - info->stream[1] = generic_pcm_playback; - info->stream[1].nid = spec->adc_node->nid; - } - - return 0; -} - -#ifdef CONFIG_SND_HDA_POWER_SAVE -static int generic_check_power_status(struct hda_codec *codec, hda_nid_t nid) -{ - struct hda_gspec *spec = codec->spec; - return snd_hda_check_amp_list_power(codec, &spec->loopback, nid); -} -#endif - - -/* - */ -static struct hda_codec_ops generic_patch_ops = { - .build_controls = build_generic_controls, - .build_pcms = build_generic_pcms, - .free = snd_hda_generic_free, -#ifdef CONFIG_SND_HDA_POWER_SAVE - .check_power_status = generic_check_power_status, -#endif -}; - -/* - * the generic parser - */ -int snd_hda_parse_generic_codec(struct hda_codec *codec) -{ - struct hda_gspec *spec; - int err; - - if(!codec->afg) - return 0; - - spec = kzalloc(sizeof(*spec), GFP_KERNEL); - if (spec == NULL) { - printk(KERN_ERR "hda_generic: can't allocate spec\n"); - return -ENOMEM; - } - codec->spec = spec; - INIT_LIST_HEAD(&spec->nid_list); - - if ((err = build_afg_tree(codec)) < 0) - goto error; - - if ((err = parse_input(codec)) < 0 || - (err = parse_output(codec)) < 0) - goto error; - - codec->patch_ops = generic_patch_ops; - - return 0; - - error: - snd_hda_generic_free(codec); - return err; -} -EXPORT_SYMBOL(snd_hda_parse_generic_codec); |