diff options
Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r-- | sound/soc/soc-dapm.c | 222 |
1 files changed, 155 insertions, 67 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 6e71e4e57d1..f9e95a7d87a 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -37,7 +37,6 @@ #include <linux/bitops.h> #include <linux/platform_device.h> #include <linux/jiffies.h> -#include <linux/debugfs.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> @@ -54,30 +53,28 @@ /* dapm power sequences - make this per codec in the future */ static int dapm_up_seq[] = { snd_soc_dapm_pre, snd_soc_dapm_micbias, snd_soc_dapm_mic, - snd_soc_dapm_mux, snd_soc_dapm_dac, snd_soc_dapm_mixer, snd_soc_dapm_pga, - snd_soc_dapm_adc, snd_soc_dapm_hp, snd_soc_dapm_spk, snd_soc_dapm_post + snd_soc_dapm_mux, snd_soc_dapm_value_mux, snd_soc_dapm_dac, + snd_soc_dapm_mixer, snd_soc_dapm_pga, snd_soc_dapm_adc, snd_soc_dapm_hp, + snd_soc_dapm_spk, snd_soc_dapm_post }; static int dapm_down_seq[] = { snd_soc_dapm_pre, snd_soc_dapm_adc, snd_soc_dapm_hp, snd_soc_dapm_spk, snd_soc_dapm_pga, snd_soc_dapm_mixer, snd_soc_dapm_dac, snd_soc_dapm_mic, - snd_soc_dapm_micbias, snd_soc_dapm_mux, snd_soc_dapm_post + snd_soc_dapm_micbias, snd_soc_dapm_mux, snd_soc_dapm_value_mux, + snd_soc_dapm_post }; static int dapm_status = 1; module_param(dapm_status, int, 0); MODULE_PARM_DESC(dapm_status, "enable DPM sysfs entries"); -static struct dentry *asoc_debugfs; - -static u32 pop_time; - -static void pop_wait(void) +static void pop_wait(u32 pop_time) { if (pop_time) schedule_timeout_uninterruptible(msecs_to_jiffies(pop_time)); } -static void pop_dbg(const char *fmt, ...) +static void pop_dbg(u32 pop_time, const char *fmt, ...) { va_list args; @@ -85,7 +82,7 @@ static void pop_dbg(const char *fmt, ...) if (pop_time) { vprintk(fmt, args); - pop_wait(); + pop_wait(pop_time); } va_end(args); @@ -139,6 +136,25 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w, } } break; + case snd_soc_dapm_value_mux: { + struct soc_enum *e = (struct soc_enum *) + w->kcontrols[i].private_value; + int val, item; + + val = snd_soc_read(w->codec, e->reg); + val = (val >> e->shift_l) & e->mask; + for (item = 0; item < e->max; item++) { + if (val == e->values[item]) + break; + } + + p->connect = 0; + for (i = 0; i < e->max; i++) { + if (!(strcmp(p->name, e->texts[i])) && item == i) + p->connect = 1; + } + } + break; /* does not effect routing - always connected */ case snd_soc_dapm_pga: case snd_soc_dapm_output: @@ -230,10 +246,11 @@ static int dapm_update_bits(struct snd_soc_dapm_widget *widget) change = old != new; if (change) { - pop_dbg("pop test %s : %s in %d ms\n", widget->name, - widget->power ? "on" : "off", pop_time); + pop_dbg(codec->pop_time, "pop test %s : %s in %d ms\n", + widget->name, widget->power ? "on" : "off", + codec->pop_time); snd_soc_write(codec, widget->reg, new); - pop_wait(); + pop_wait(codec->pop_time); } pr_debug("reg %x old %x new %x change %d\n", widget->reg, old, new, change); @@ -293,7 +310,7 @@ static int dapm_new_mixer(struct snd_soc_codec *codec, struct snd_soc_dapm_widget *w) { int i, ret = 0; - char name[32]; + size_t name_len; struct snd_soc_dapm_path *path; /* add kcontrol */ @@ -307,11 +324,16 @@ static int dapm_new_mixer(struct snd_soc_codec *codec, continue; /* add dapm control with long name */ - snprintf(name, 32, "%s %s", w->name, w->kcontrols[i].name); - path->long_name = kstrdup (name, GFP_KERNEL); + name_len = 2 + strlen(w->name) + + strlen(w->kcontrols[i].name); + path->long_name = kmalloc(name_len, GFP_KERNEL); if (path->long_name == NULL) return -ENOMEM; + snprintf(path->long_name, name_len, "%s %s", + w->name, w->kcontrols[i].name); + path->long_name[name_len - 1] = '\0'; + path->kcontrol = snd_soc_cnew(&w->kcontrols[i], w, path->long_name); ret = snd_ctl_add(codec->card, path->kcontrol); @@ -652,6 +674,7 @@ static void dbg_dump_dapm(struct snd_soc_codec* codec, const char *action) case snd_soc_dapm_vmid: continue; case snd_soc_dapm_mux: + case snd_soc_dapm_value_mux: case snd_soc_dapm_output: case snd_soc_dapm_input: case snd_soc_dapm_switch: @@ -697,7 +720,8 @@ static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget, struct snd_soc_dapm_path *path; int found = 0; - if (widget->id != snd_soc_dapm_mux) + if (widget->id != snd_soc_dapm_mux && + widget->id != snd_soc_dapm_value_mux) return -ENODEV; if (!snd_soc_test_bits(widget->codec, e->reg, mask, val)) @@ -821,23 +845,9 @@ static DEVICE_ATTR(dapm_widget, 0444, dapm_widget_show, NULL); int snd_soc_dapm_sys_add(struct device *dev) { - int ret = 0; - if (!dapm_status) return 0; - - ret = device_create_file(dev, &dev_attr_dapm_widget); - if (ret != 0) - return ret; - - asoc_debugfs = debugfs_create_dir("asoc", NULL); - if (!IS_ERR(asoc_debugfs) && asoc_debugfs) - debugfs_create_u32("dapm_pop_time", 0744, asoc_debugfs, - &pop_time); - else - asoc_debugfs = NULL; - - return 0; + return device_create_file(dev, &dev_attr_dapm_widget); } static void snd_soc_dapm_sys_remove(struct device *dev) @@ -845,9 +855,6 @@ static void snd_soc_dapm_sys_remove(struct device *dev) if (dapm_status) { device_remove_file(dev, &dev_attr_dapm_widget); } - - if (asoc_debugfs) - debugfs_remove_recursive(asoc_debugfs); } /* free all dapm widgets and resources */ @@ -976,6 +983,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_codec *codec, path->connect = 1; return 0; case snd_soc_dapm_mux: + case snd_soc_dapm_value_mux: ret = dapm_connect_mux(codec, wsource, wsink, path, control, &wsink->kcontrols[0]); if (ret != 0) @@ -1007,28 +1015,6 @@ err: } /** - * snd_soc_dapm_connect_input - connect dapm widgets - * @codec: audio codec - * @sink: name of target widget - * @control: mixer control name - * @source: name of source name - * - * Connects 2 dapm widgets together via a named audio path. The sink is - * the widget receiving the audio signal, whilst the source is the sender - * of the audio signal. - * - * This function has been deprecated in favour of snd_soc_dapm_add_routes(). - * - * Returns 0 for success else error. - */ -int snd_soc_dapm_connect_input(struct snd_soc_codec *codec, const char *sink, - const char *control, const char *source) -{ - return snd_soc_dapm_add_route(codec, sink, control, source); -} -EXPORT_SYMBOL_GPL(snd_soc_dapm_connect_input); - -/** * snd_soc_dapm_add_routes - Add routes between DAPM widgets * @codec: codec * @route: audio routes @@ -1085,6 +1071,7 @@ int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec) dapm_new_mixer(codec, w); break; case snd_soc_dapm_mux: + case snd_soc_dapm_value_mux: dapm_new_mux(codec, w); break; case snd_soc_dapm_adc: @@ -1115,7 +1102,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets); /** * snd_soc_dapm_get_volsw - dapm mixer get callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to get the value of a dapm mixer control. * @@ -1160,7 +1147,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw); /** * snd_soc_dapm_put_volsw - dapm mixer set callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to set the value of a dapm mixer control. * @@ -1231,7 +1218,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw); /** * snd_soc_dapm_get_enum_double - dapm enumerated double mixer get callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to get the value of a dapm enumerated double mixer control. * @@ -1259,7 +1246,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double); /** * snd_soc_dapm_put_enum_double - dapm enumerated double mixer set callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to set the value of a dapm enumerated double mixer control. * @@ -1312,6 +1299,103 @@ out: EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double); /** + * snd_soc_dapm_get_value_enum_double - dapm semi enumerated double mixer get + * callback + * @kcontrol: mixer control + * @ucontrol: control element information + * + * Callback to get the value of a dapm semi enumerated double mixer control. + * + * Semi enumerated mixer: the enumerated items are referred as values. Can be + * used for handling bitfield coded enumeration for example. + * + * Returns 0 for success. + */ +int snd_soc_dapm_get_value_enum_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol); + struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + unsigned short reg_val, val, mux; + + reg_val = snd_soc_read(widget->codec, e->reg); + val = (reg_val >> e->shift_l) & e->mask; + for (mux = 0; mux < e->max; mux++) { + if (val == e->values[mux]) + break; + } + ucontrol->value.enumerated.item[0] = mux; + if (e->shift_l != e->shift_r) { + val = (reg_val >> e->shift_r) & e->mask; + for (mux = 0; mux < e->max; mux++) { + if (val == e->values[mux]) + break; + } + ucontrol->value.enumerated.item[1] = mux; + } + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_dapm_get_value_enum_double); + +/** + * snd_soc_dapm_put_value_enum_double - dapm semi enumerated double mixer set + * callback + * @kcontrol: mixer control + * @ucontrol: control element information + * + * Callback to set the value of a dapm semi enumerated double mixer control. + * + * Semi enumerated mixer: the enumerated items are referred as values. Can be + * used for handling bitfield coded enumeration for example. + * + * Returns 0 for success. + */ +int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol); + struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + unsigned short val, mux; + unsigned short mask; + int ret = 0; + + if (ucontrol->value.enumerated.item[0] > e->max - 1) + return -EINVAL; + mux = ucontrol->value.enumerated.item[0]; + val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l; + mask = e->mask << e->shift_l; + if (e->shift_l != e->shift_r) { + if (ucontrol->value.enumerated.item[1] > e->max - 1) + return -EINVAL; + val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r; + mask |= e->mask << e->shift_r; + } + + mutex_lock(&widget->codec->mutex); + widget->value = val; + dapm_mux_update_power(widget, kcontrol, mask, mux, val, e); + if (widget->event) { + if (widget->event_flags & SND_SOC_DAPM_PRE_REG) { + ret = widget->event(widget, + kcontrol, SND_SOC_DAPM_PRE_REG); + if (ret < 0) + goto out; + } + ret = snd_soc_update_bits(widget->codec, e->reg, mask, val); + if (widget->event_flags & SND_SOC_DAPM_POST_REG) + ret = widget->event(widget, + kcontrol, SND_SOC_DAPM_POST_REG); + } else + ret = snd_soc_update_bits(widget->codec, e->reg, mask, val); + +out: + mutex_unlock(&widget->codec->mutex); + return ret; +} +EXPORT_SYMBOL_GPL(snd_soc_dapm_put_value_enum_double); + +/** * snd_soc_dapm_new_control - create new dapm control * @codec: audio codec * @widget: widget template @@ -1358,8 +1442,12 @@ int snd_soc_dapm_new_controls(struct snd_soc_codec *codec, for (i = 0; i < num; i++) { ret = snd_soc_dapm_new_control(codec, widget); - if (ret < 0) + if (ret < 0) { + printk(KERN_ERR + "ASoC: Failed to create DAPM control %s: %d\n", + widget->name, ret); return ret; + } widget++; } return 0; @@ -1440,11 +1528,11 @@ int snd_soc_dapm_set_bias_level(struct snd_soc_device *socdev, enum snd_soc_bias_level level) { struct snd_soc_codec *codec = socdev->codec; - struct snd_soc_machine *machine = socdev->machine; + struct snd_soc_card *card = socdev->card; int ret = 0; - if (machine->set_bias_level) - ret = machine->set_bias_level(machine, level); + if (card->set_bias_level) + ret = card->set_bias_level(card, level); if (ret == 0 && codec->set_bias_level) ret = codec->set_bias_level(codec, level); @@ -1453,7 +1541,7 @@ int snd_soc_dapm_set_bias_level(struct snd_soc_device *socdev, /** * snd_soc_dapm_enable_pin - enable pin. - * @snd_soc_codec: SoC codec + * @codec: SoC codec * @pin: pin name * * Enables input/output pin and it's parents or children widgets iff there is |