diff options
Diffstat (limited to 'sound/soc/soc-core.c')
| -rw-r--r-- | sound/soc/soc-core.c | 3390 |
1 files changed, 2352 insertions, 1038 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 92cee24ed2d..b87d7d882e6 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -30,15 +30,19 @@ #include <linux/bitops.h> #include <linux/debugfs.h> #include <linux/platform_device.h> +#include <linux/pinctrl/consumer.h> #include <linux/ctype.h> #include <linux/slab.h> #include <linux/of.h> +#include <linux/gpio.h> +#include <linux/of_gpio.h> #include <sound/ac97_codec.h> #include <sound/core.h> #include <sound/jack.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> +#include <sound/soc-dpcm.h> #include <sound/initval.h> #define CREATE_TRACE_POINTS @@ -46,18 +50,15 @@ #define NAME_SIZE 32 -static DECLARE_WAIT_QUEUE_HEAD(soc_pm_waitq); - #ifdef CONFIG_DEBUG_FS struct dentry *snd_soc_debugfs_root; EXPORT_SYMBOL_GPL(snd_soc_debugfs_root); #endif static DEFINE_MUTEX(client_mutex); -static LIST_HEAD(card_list); -static LIST_HEAD(dai_list); static LIST_HEAD(platform_list); static LIST_HEAD(codec_list); +static LIST_HEAD(component_list); /* * This is a timeout to do a DAPM powerdown after a stream is closed(). @@ -68,6 +69,16 @@ static int pmdown_time = 5000; module_param(pmdown_time, int, 0); MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)"); +struct snd_ac97_reset_cfg { + struct pinctrl *pctl; + struct pinctrl_state *pstate_reset; + struct pinctrl_state *pstate_warm_reset; + struct pinctrl_state *pstate_run; + int gpio_sdata; + int gpio_sync; + int gpio_reset; +}; + /* returns the minimum number of bytes needed to represent * a particular given value */ static int min_bytes_needed(unsigned long val) @@ -143,22 +154,15 @@ static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf, step = codec->driver->reg_cache_step; for (i = 0; i < codec->driver->reg_cache_size; i += step) { - if (!snd_soc_codec_readable_register(codec, i)) - continue; - if (codec->driver->display_register) { - count += codec->driver->display_register(codec, buf + count, - PAGE_SIZE - count, i); - } else { - /* only support larger than PAGE_SIZE bytes debugfs - * entries for the default case */ - if (p >= pos) { - if (total + len >= count - 1) - break; - format_register_str(codec, i, buf + total, len); - total += len; - } - p += len; + /* only support larger than PAGE_SIZE bytes debugfs + * entries for the default case */ + if (p >= pos) { + if (total + len >= count - 1) + break; + format_register_str(codec, i, buf + total, len); + total += len; } + p += len; } total = min(total, count - 1); @@ -191,7 +195,7 @@ static ssize_t pmdown_time_set(struct device *dev, struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); int ret; - ret = strict_strtol(buf, 10, &rtd->pmdown_time); + ret = kstrtol(buf, 10, &rtd->pmdown_time); if (ret) return ret; @@ -201,12 +205,6 @@ static ssize_t pmdown_time_set(struct device *dev, static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set); #ifdef CONFIG_DEBUG_FS -static int codec_reg_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -242,6 +240,7 @@ static ssize_t codec_reg_write_file(struct file *file, char *start = buf; unsigned long reg, value; struct snd_soc_codec *codec = file->private_data; + int ret; buf_size = min(count, (sizeof(buf)-1)); if (copy_from_user(buf, user_buf, buf_size)) @@ -253,18 +252,19 @@ static ssize_t codec_reg_write_file(struct file *file, reg = simple_strtoul(start, &start, 16); while (*start == ' ') start++; - if (strict_strtoul(start, 16, &value)) - return -EINVAL; + ret = kstrtoul(start, 16, &value); + if (ret) + return ret; /* Userspace has been fiddling around behind the kernel's back */ - add_taint(TAINT_USER); + add_taint(TAINT_USER, LOCKDEP_NOW_UNRELIABLE); snd_soc_write(codec, reg, value); return buf_size; } static const struct file_operations codec_reg_fops = { - .open = codec_reg_open_file, + .open = simple_open, .read = codec_reg_read_file, .write = codec_reg_write_file, .llseek = default_llseek, @@ -277,8 +277,8 @@ static void soc_init_codec_debugfs(struct snd_soc_codec *codec) codec->debugfs_codec_root = debugfs_create_dir(codec->name, debugfs_card_root); if (!codec->debugfs_codec_root) { - printk(KERN_WARNING - "ASoC: Failed to create codec debugfs directory\n"); + dev_warn(codec->dev, + "ASoC: Failed to create codec debugfs directory\n"); return; } @@ -291,8 +291,8 @@ static void soc_init_codec_debugfs(struct snd_soc_codec *codec) codec->debugfs_codec_root, codec, &codec_reg_fops); if (!codec->debugfs_reg) - printk(KERN_WARNING - "ASoC: Failed to create codec register debugfs file\n"); + dev_warn(codec->dev, + "ASoC: Failed to create codec register debugfs file\n"); snd_soc_dapm_debugfs_init(&codec->dapm, codec->debugfs_codec_root); } @@ -302,6 +302,27 @@ static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) debugfs_remove_recursive(codec->debugfs_codec_root); } +static void soc_init_platform_debugfs(struct snd_soc_platform *platform) +{ + struct dentry *debugfs_card_root = platform->card->debugfs_card_root; + + platform->debugfs_platform_root = debugfs_create_dir(platform->name, + debugfs_card_root); + if (!platform->debugfs_platform_root) { + dev_warn(platform->dev, + "ASoC: Failed to create platform debugfs directory\n"); + return; + } + + snd_soc_dapm_debugfs_init(&platform->dapm, + platform->debugfs_platform_root); +} + +static void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) +{ + debugfs_remove_recursive(platform->debugfs_platform_root); +} + static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -341,18 +362,22 @@ static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, { char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); ssize_t len, ret = 0; + struct snd_soc_component *component; struct snd_soc_dai *dai; if (!buf) return -ENOMEM; - list_for_each_entry(dai, &dai_list, list) { - len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", dai->name); - if (len >= 0) - ret += len; - if (ret > PAGE_SIZE) { - ret = PAGE_SIZE; - break; + list_for_each_entry(component, &component_list, list) { + list_for_each_entry(dai, &component->dai_list, list) { + len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", + dai->name); + if (len >= 0) + ret += len; + if (ret > PAGE_SIZE) { + ret = PAGE_SIZE; + break; + } } } @@ -417,7 +442,7 @@ static void soc_init_card_debugfs(struct snd_soc_card *card) &card->pop_time); if (!card->debugfs_pop_time) dev_warn(card->dev, - "Failed to create pop time debugfs file\n"); + "ASoC: Failed to create pop time debugfs file\n"); } static void soc_cleanup_card_debugfs(struct snd_soc_card *card) @@ -435,6 +460,14 @@ static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) { } +static inline void soc_init_platform_debugfs(struct snd_soc_platform *platform) +{ +} + +static inline void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) +{ +} + static inline void soc_init_card_debugfs(struct snd_soc_card *card) { } @@ -444,6 +477,35 @@ static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) } #endif +struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, + const char *dai_link, int stream) +{ + int i; + + for (i = 0; i < card->num_links; i++) { + if (card->rtd[i].dai_link->no_pcm && + !strcmp(card->rtd[i].dai_link->name, dai_link)) + return card->rtd[i].pcm->streams[stream].substream; + } + dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link); + return NULL; +} +EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream); + +struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, + const char *dai_link) +{ + int i; + + for (i = 0; i < card->num_links; i++) { + if (!strcmp(card->rtd[i].dai_link->name, dai_link)) + return &card->rtd[i]; + } + dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link); + return NULL; +} +EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime); + #ifdef CONFIG_SND_SOC_AC97_BUS /* unregister ac97 codec */ static int soc_ac97_dev_unregister(struct snd_soc_codec *codec) @@ -469,7 +531,7 @@ static int soc_ac97_dev_register(struct snd_soc_codec *codec) codec->card->snd_card->number, 0, codec->name); err = device_register(&codec->ac97->dev); if (err < 0) { - snd_printk(KERN_ERR "Can't register ac97 bus\n"); + dev_err(codec->dev, "ASoC: Can't register ac97 bus\n"); codec->ac97->dev.bus = NULL; return err; } @@ -477,6 +539,15 @@ static int soc_ac97_dev_register(struct snd_soc_codec *codec) } #endif +static void codec2codec_close_delayed_work(struct work_struct *work) +{ + /* Currently nothing to do for c2c links + * Since c2c links are internal nodes in the DAPM graph and + * don't interface with the outside world or application layer + * we don't have to do any special handling on close. + */ +} + #ifdef CONFIG_PM_SLEEP /* powers down audio subsystem for suspend */ int snd_soc_suspend(struct device *dev) @@ -541,25 +612,28 @@ int snd_soc_suspend(struct device *dev) /* close any waiting streams and save state */ for (i = 0; i < card->num_rtd; i++) { - flush_delayed_work_sync(&card->rtd[i].delayed_work); + flush_delayed_work(&card->rtd[i].delayed_work); card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level; } for (i = 0; i < card->num_rtd; i++) { - struct snd_soc_dai_driver *driver = card->rtd[i].codec_dai->driver; if (card->rtd[i].dai_link->ignore_suspend) continue; - if (driver->playback.stream_name != NULL) - snd_soc_dapm_stream_event(&card->rtd[i], driver->playback.stream_name, - SND_SOC_DAPM_STREAM_SUSPEND); + snd_soc_dapm_stream_event(&card->rtd[i], + SNDRV_PCM_STREAM_PLAYBACK, + SND_SOC_DAPM_STREAM_SUSPEND); - if (driver->capture.stream_name != NULL) - snd_soc_dapm_stream_event(&card->rtd[i], driver->capture.stream_name, - SND_SOC_DAPM_STREAM_SUSPEND); + snd_soc_dapm_stream_event(&card->rtd[i], + SNDRV_PCM_STREAM_CAPTURE, + SND_SOC_DAPM_STREAM_SUSPEND); } + /* Recheck all analogue paths too */ + dapm_mark_io_dirty(&card->dapm); + snd_soc_dapm_sync(&card->dapm); + /* suspend all CODECs */ list_for_each_entry(codec, &card->codec_dev_list, card_list) { /* If there are paths active then the CODEC will be held with @@ -575,16 +649,21 @@ int snd_soc_suspend(struct device *dev) */ if (codec->dapm.idle_bias_off) { dev_dbg(codec->dev, - "idle_bias_off CODEC on over suspend\n"); + "ASoC: idle_bias_off CODEC on over suspend\n"); break; } case SND_SOC_BIAS_OFF: codec->driver->suspend(codec); codec->suspended = 1; codec->cache_sync = 1; + if (codec->component.regmap) + regcache_mark_dirty(codec->component.regmap); + /* deactivate pins to sleep state */ + pinctrl_pm_select_sleep_state(codec->dev); break; default: - dev_dbg(codec->dev, "CODEC is on over suspend\n"); + dev_dbg(codec->dev, + "ASoC: CODEC is on over suspend\n"); break; } } @@ -598,6 +677,9 @@ int snd_soc_suspend(struct device *dev) if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) cpu_dai->driver->suspend(cpu_dai); + + /* deactivate pins to sleep state */ + pinctrl_pm_select_sleep_state(cpu_dai->dev); } if (card->suspend_post) @@ -621,7 +703,7 @@ static void soc_resume_deferred(struct work_struct *work) * so userspace apps are blocked from touching us */ - dev_dbg(card->dev, "starting resume work\n"); + dev_dbg(card->dev, "ASoC: starting resume work\n"); /* Bring us up into D2 so that DAPM starts enabling things */ snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); @@ -653,25 +735,25 @@ static void soc_resume_deferred(struct work_struct *work) codec->suspended = 0; break; default: - dev_dbg(codec->dev, "CODEC was on over suspend\n"); + dev_dbg(codec->dev, + "ASoC: CODEC was on over suspend\n"); break; } } } for (i = 0; i < card->num_rtd; i++) { - struct snd_soc_dai_driver *driver = card->rtd[i].codec_dai->driver; if (card->rtd[i].dai_link->ignore_suspend) continue; - if (driver->playback.stream_name != NULL) - snd_soc_dapm_stream_event(&card->rtd[i], driver->playback.stream_name, - SND_SOC_DAPM_STREAM_RESUME); + snd_soc_dapm_stream_event(&card->rtd[i], + SNDRV_PCM_STREAM_PLAYBACK, + SND_SOC_DAPM_STREAM_RESUME); - if (driver->capture.stream_name != NULL) - snd_soc_dapm_stream_event(&card->rtd[i], driver->capture.stream_name, - SND_SOC_DAPM_STREAM_RESUME); + snd_soc_dapm_stream_event(&card->rtd[i], + SNDRV_PCM_STREAM_CAPTURE, + SND_SOC_DAPM_STREAM_RESUME); } /* unmute any active DACs */ @@ -704,10 +786,14 @@ static void soc_resume_deferred(struct work_struct *work) if (card->resume_post) card->resume_post(card); - dev_dbg(card->dev, "resume work completed\n"); + dev_dbg(card->dev, "ASoC: resume work completed\n"); /* userspace can access us now we are back as we were before */ snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); + + /* Recheck all analogue paths too */ + dapm_mark_io_dirty(&card->dapm); + snd_soc_dapm_sync(&card->dapm); } /* powers up audio subsystem after a suspend */ @@ -722,6 +808,16 @@ int snd_soc_resume(struct device *dev) if (list_empty(&card->codec_dev_list)) return 0; + /* activate pins from sleep state */ + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; + struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai; + if (cpu_dai->active) + pinctrl_pm_select_default_state(cpu_dai->dev); + if (codec_dai->active) + pinctrl_pm_select_default_state(codec_dai->dev); + } + /* AC97 devices might have other drivers hanging off them so * need to resume immediately. Other drivers don't have that * problem and may take a substantial amount of time to resume @@ -732,12 +828,12 @@ int snd_soc_resume(struct device *dev) ac97_control |= cpu_dai->driver->ac97_control; } if (ac97_control) { - dev_dbg(dev, "Resuming AC97 immediately\n"); + dev_dbg(dev, "ASoC: Resuming AC97 immediately\n"); soc_resume_deferred(&card->deferred_resume_work); } else { - dev_dbg(dev, "Scheduling resume work\n"); + dev_dbg(dev, "ASoC: Scheduling resume work\n"); if (!schedule_work(&card->deferred_resume_work)) - dev_err(dev, "resume work item may be lost\n"); + dev_err(dev, "ASoC: resume work item may be lost\n"); } return 0; @@ -751,89 +847,98 @@ EXPORT_SYMBOL_GPL(snd_soc_resume); static const struct snd_soc_dai_ops null_dai_ops = { }; -static int soc_bind_dai_link(struct snd_soc_card *card, int num) +static struct snd_soc_codec *soc_find_codec(const struct device_node *codec_of_node, + const char *codec_name) { - struct snd_soc_dai_link *dai_link = &card->dai_link[num]; - struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; struct snd_soc_codec *codec; - struct snd_soc_platform *platform; - struct snd_soc_dai *codec_dai, *cpu_dai; - const char *platform_name; - - if (rtd->complete) - return 1; - dev_dbg(card->dev, "binding %s at idx %d\n", dai_link->name, num); - /* do we already have the CPU DAI for this link ? */ - if (rtd->cpu_dai) { - goto find_codec; - } - /* no, then find CPU DAI from registered DAIs*/ - list_for_each_entry(cpu_dai, &dai_list, list) { - if (dai_link->cpu_dai_of_node) { - if (cpu_dai->dev->of_node != dai_link->cpu_dai_of_node) + list_for_each_entry(codec, &codec_list, list) { + if (codec_of_node) { + if (codec->dev->of_node != codec_of_node) continue; } else { - if (strcmp(cpu_dai->name, dai_link->cpu_dai_name)) + if (strcmp(codec->name, codec_name)) continue; } - rtd->cpu_dai = cpu_dai; - goto find_codec; + return codec; } - dev_dbg(card->dev, "CPU DAI %s not registered\n", - dai_link->cpu_dai_name); -find_codec: - /* do we already have the CODEC for this link ? */ - if (rtd->codec) { - goto find_platform; - } + return NULL; +} - /* no, then find CODEC from registered CODECs*/ - list_for_each_entry(codec, &codec_list, list) { - if (dai_link->codec_of_node) { - if (codec->dev->of_node != dai_link->codec_of_node) - continue; - } else { - if (strcmp(codec->name, dai_link->codec_name)) - continue; +static struct snd_soc_dai *soc_find_codec_dai(struct snd_soc_codec *codec, + const char *codec_dai_name) +{ + struct snd_soc_dai *codec_dai; + + list_for_each_entry(codec_dai, &codec->component.dai_list, list) { + if (!strcmp(codec_dai->name, codec_dai_name)) { + return codec_dai; } + } - rtd->codec = codec; + return NULL; +} - /* - * CODEC found, so find CODEC DAI from registered DAIs from - * this CODEC - */ - list_for_each_entry(codec_dai, &dai_list, list) { - if (codec->dev == codec_dai->dev && - !strcmp(codec_dai->name, - dai_link->codec_dai_name)) { +static int soc_bind_dai_link(struct snd_soc_card *card, int num) +{ + struct snd_soc_dai_link *dai_link = &card->dai_link[num]; + struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; + struct snd_soc_component *component; + struct snd_soc_platform *platform; + struct snd_soc_dai *cpu_dai; + const char *platform_name; - rtd->codec_dai = codec_dai; - goto find_platform; - } + dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); + + /* Find CPU DAI from registered DAIs*/ + list_for_each_entry(component, &component_list, list) { + if (dai_link->cpu_of_node && + component->dev->of_node != dai_link->cpu_of_node) + continue; + if (dai_link->cpu_name && + strcmp(dev_name(component->dev), dai_link->cpu_name)) + continue; + list_for_each_entry(cpu_dai, &component->dai_list, list) { + if (dai_link->cpu_dai_name && + strcmp(cpu_dai->name, dai_link->cpu_dai_name)) + continue; + + rtd->cpu_dai = cpu_dai; } - dev_dbg(card->dev, "CODEC DAI %s not registered\n", - dai_link->codec_dai_name); + } - goto find_platform; + if (!rtd->cpu_dai) { + dev_err(card->dev, "ASoC: CPU DAI %s not registered\n", + dai_link->cpu_dai_name); + return -EPROBE_DEFER; } - dev_dbg(card->dev, "CODEC %s not registered\n", + + /* Find CODEC from registered list */ + rtd->codec = soc_find_codec(dai_link->codec_of_node, + dai_link->codec_name); + if (!rtd->codec) { + dev_err(card->dev, "ASoC: CODEC %s not registered\n", dai_link->codec_name); + return -EPROBE_DEFER; + } -find_platform: - /* do we need a platform? */ - if (rtd->platform) - goto out; + /* Find CODEC DAI from registered list */ + rtd->codec_dai = soc_find_codec_dai(rtd->codec, + dai_link->codec_dai_name); + if (!rtd->codec_dai) { + dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", + dai_link->codec_dai_name); + return -EPROBE_DEFER; + } /* if there's no platform we match on the empty platform */ platform_name = dai_link->platform_name; if (!platform_name && !dai_link->platform_of_node) platform_name = "snd-soc-dummy"; - /* no, then find one from the set of registered platforms */ + /* find one from the set of registered platforms */ list_for_each_entry(platform, &platform_list, list) { if (dai_link->platform_of_node) { if (platform->dev->of_node != @@ -845,20 +950,38 @@ find_platform: } rtd->platform = platform; - goto out; } - - dev_dbg(card->dev, "platform %s not registered\n", + if (!rtd->platform) { + dev_err(card->dev, "ASoC: platform %s not registered\n", dai_link->platform_name); + return -EPROBE_DEFER; + } + + card->num_rtd++; + return 0; +} -out: - /* mark rtd as complete if we found all 4 of our client devices */ - if (rtd->codec && rtd->codec_dai && rtd->platform && rtd->cpu_dai) { - rtd->complete = 1; - card->num_rtd++; +static int soc_remove_platform(struct snd_soc_platform *platform) +{ + int ret; + + if (platform->driver->remove) { + ret = platform->driver->remove(platform); + if (ret < 0) + dev_err(platform->dev, "ASoC: failed to remove %d\n", + ret); } - return 1; + + /* Make sure all DAPM widgets are freed */ + snd_soc_dapm_free(&platform->dapm); + + soc_cleanup_platform_debugfs(platform); + platform->probed = 0; + list_del(&platform->card_list); + module_put(platform->dev->driver->owner); + + return 0; } static void soc_remove_codec(struct snd_soc_codec *codec) @@ -868,9 +991,7 @@ static void soc_remove_codec(struct snd_soc_codec *codec) if (codec->driver->remove) { err = codec->driver->remove(codec); if (err < 0) - dev_err(codec->dev, - "asoc: failed to remove %s: %d\n", - codec->name, err); + dev_err(codec->dev, "ASoC: failed to remove %d\n", err); } /* Make sure all DAPM widgets are freed */ @@ -882,55 +1003,39 @@ static void soc_remove_codec(struct snd_soc_codec *codec) module_put(codec->dev->driver->owner); } -static void soc_remove_dai_link(struct snd_soc_card *card, int num, int order) +static void soc_remove_codec_dai(struct snd_soc_dai *codec_dai, int order) { - struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; - struct snd_soc_codec *codec = rtd->codec; - struct snd_soc_platform *platform = rtd->platform; - struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; int err; - /* unregister the rtd device */ - if (rtd->dev_registered) { - device_remove_file(rtd->dev, &dev_attr_pmdown_time); - device_remove_file(rtd->dev, &dev_attr_codec_reg); - device_unregister(rtd->dev); - rtd->dev_registered = 0; - } - - /* remove the CODEC DAI */ if (codec_dai && codec_dai->probed && codec_dai->driver->remove_order == order) { if (codec_dai->driver->remove) { err = codec_dai->driver->remove(codec_dai); if (err < 0) - printk(KERN_ERR "asoc: failed to remove %s\n", codec_dai->name); + dev_err(codec_dai->dev, + "ASoC: failed to remove %s: %d\n", + codec_dai->name, err); } codec_dai->probed = 0; - list_del(&codec_dai->card_list); } +} - /* remove the platform */ - if (platform && platform->probed && - platform->driver->remove_order == order) { - if (platform->driver->remove) { - err = platform->driver->remove(platform); - if (err < 0) - printk(KERN_ERR "asoc: failed to remove %s\n", platform->name); - } - - /* Make sure all DAPM widgets are freed */ - snd_soc_dapm_free(&platform->dapm); +static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) +{ + struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; + struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; + int err; - platform->probed = 0; - list_del(&platform->card_list); - module_put(platform->dev->driver->owner); + /* unregister the rtd device */ + if (rtd->dev_registered) { + device_remove_file(rtd->dev, &dev_attr_pmdown_time); + device_remove_file(rtd->dev, &dev_attr_codec_reg); + device_unregister(rtd->dev); + rtd->dev_registered = 0; } - /* remove the CODEC */ - if (codec && codec->probed && - codec->driver->remove_order == order) - soc_remove_codec(codec); + /* remove the CODEC DAI */ + soc_remove_codec_dai(codec_dai, order); /* remove the cpu_dai */ if (cpu_dai && cpu_dai->probed && @@ -938,11 +1043,48 @@ static void soc_remove_dai_link(struct snd_soc_card *card, int num, int order) if (cpu_dai->driver->remove) { err = cpu_dai->driver->remove(cpu_dai); if (err < 0) - printk(KERN_ERR "asoc: failed to remove %s\n", cpu_dai->name); + dev_err(cpu_dai->dev, + "ASoC: failed to remove %s: %d\n", + cpu_dai->name, err); } cpu_dai->probed = 0; - list_del(&cpu_dai->card_list); - module_put(cpu_dai->dev->driver->owner); + + if (!cpu_dai->codec) { + snd_soc_dapm_free(&cpu_dai->dapm); + module_put(cpu_dai->dev->driver->owner); + } + } +} + +static void soc_remove_link_components(struct snd_soc_card *card, int num, + int order) +{ + struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_platform *platform = rtd->platform; + struct snd_soc_codec *codec; + + /* remove the platform */ + if (platform && platform->probed && + platform->driver->remove_order == order) { + soc_remove_platform(platform); + } + + /* remove the CODEC-side CODEC */ + if (codec_dai) { + codec = codec_dai->codec; + if (codec && codec->probed && + codec->driver->remove_order == order) + soc_remove_codec(codec); + } + + /* remove any CPU-side CODEC */ + if (cpu_dai) { + codec = cpu_dai->codec; + if (codec && codec->probed && + codec->driver->remove_order == order) + soc_remove_codec(codec); } } @@ -953,8 +1095,15 @@ static void soc_remove_dai_links(struct snd_soc_card *card) for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; order++) { for (dai = 0; dai < card->num_rtd; dai++) - soc_remove_dai_link(card, dai, order); + soc_remove_link_dais(card, dai, order); } + + for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; + order++) { + for (dai = 0; dai < card->num_rtd; dai++) + soc_remove_link_components(card, dai, order); + } + card->num_rtd = 0; } @@ -968,10 +1117,12 @@ static void soc_set_name_prefix(struct snd_soc_card *card, for (i = 0; i < card->num_configs; i++) { struct snd_soc_codec_conf *map = &card->codec_conf[i]; - if (map->dev_name && !strcmp(codec->name, map->dev_name)) { - codec->name_prefix = map->name_prefix; - break; - } + if (map->of_node && codec->dev->of_node != map->of_node) + continue; + if (map->dev_name && strcmp(codec->name, map->dev_name)) + continue; + codec->name_prefix = map->name_prefix; + break; } } @@ -980,6 +1131,7 @@ static int soc_probe_codec(struct snd_soc_card *card, { int ret = 0; const struct snd_soc_codec_driver *driver = codec->driver; + struct snd_soc_dai *dai; codec->card = card; codec->dapm.card = card; @@ -990,9 +1142,28 @@ static int soc_probe_codec(struct snd_soc_card *card, soc_init_codec_debugfs(codec); - if (driver->dapm_widgets) - snd_soc_dapm_new_controls(&codec->dapm, driver->dapm_widgets, - driver->num_dapm_widgets); + if (driver->dapm_widgets) { + ret = snd_soc_dapm_new_controls(&codec->dapm, + driver->dapm_widgets, + driver->num_dapm_widgets); + + if (ret != 0) { + dev_err(codec->dev, + "Failed to create new controls %d\n", ret); + goto err_probe; + } + } + + /* Create DAPM widgets for each DAI stream */ + list_for_each_entry(dai, &codec->component.dai_list, list) { + ret = snd_soc_dapm_new_dai_widgets(&codec->dapm, dai); + + if (ret != 0) { + dev_err(codec->dev, + "Failed to create DAI widgets %d\n", ret); + goto err_probe; + } + } codec->dapm.idle_bias_off = driver->idle_bias_off; @@ -1000,14 +1171,17 @@ static int soc_probe_codec(struct snd_soc_card *card, ret = driver->probe(codec); if (ret < 0) { dev_err(codec->dev, - "asoc: failed to probe CODEC %s: %d\n", - codec->name, ret); + "ASoC: failed to probe CODEC %d\n", ret); goto err_probe; } + WARN(codec->dapm.idle_bias_off && + codec->dapm.bias_level != SND_SOC_BIAS_OFF, + "codec %s can not start from non-off bias with idle_bias_off==1\n", + codec->name); } if (driver->controls) - snd_soc_add_controls(codec, driver->controls, + snd_soc_add_codec_controls(codec, driver->controls, driver->num_controls); if (driver->dapm_routes) snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes, @@ -1032,6 +1206,8 @@ static int soc_probe_platform(struct snd_soc_card *card, { int ret = 0; const struct snd_soc_platform_driver *driver = platform->driver; + struct snd_soc_component *component; + struct snd_soc_dai *dai; platform->card = card; platform->dapm.card = card; @@ -1039,16 +1215,27 @@ static int soc_probe_platform(struct snd_soc_card *card, if (!try_module_get(platform->dev->driver->owner)) return -ENODEV; + soc_init_platform_debugfs(platform); + if (driver->dapm_widgets) snd_soc_dapm_new_controls(&platform->dapm, driver->dapm_widgets, driver->num_dapm_widgets); + /* Create DAPM widgets for each DAI stream */ + list_for_each_entry(component, &component_list, list) { + if (component->dev != platform->dev) + continue; + list_for_each_entry(dai, &component->dai_list, list) + snd_soc_dapm_new_dai_widgets(&platform->dapm, dai); + } + + platform->dapm.idle_bias_off = 1; + if (driver->probe) { ret = driver->probe(platform); if (ret < 0) { dev_err(platform->dev, - "asoc: failed to probe platform %s: %d\n", - platform->name, ret); + "ASoC: failed to probe platform %d\n", ret); goto err_probe; } } @@ -1068,6 +1255,7 @@ static int soc_probe_platform(struct snd_soc_card *card, return 0; err_probe: + soc_cleanup_platform_debugfs(platform); module_put(platform->dev->driver->owner); return ret; @@ -1078,6 +1266,50 @@ static void rtd_release(struct device *dev) kfree(dev); } +static int soc_aux_dev_init(struct snd_soc_card *card, + struct snd_soc_codec *codec, + int num) +{ + struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; + struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; + int ret; + + rtd->card = card; + + /* do machine specific initialization */ + if (aux_dev->init) { + ret = aux_dev->init(&codec->dapm); + if (ret < 0) + return ret; + } + + rtd->codec = codec; + + return 0; +} + +static int soc_dai_link_init(struct snd_soc_card *card, + struct snd_soc_codec *codec, + int num) +{ + struct snd_soc_dai_link *dai_link = &card->dai_link[num]; + struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; + int ret; + + rtd->card = card; + + /* do machine specific initialization */ + if (dai_link->init) { + ret = dai_link->init(rtd); + if (ret < 0) + return ret; + } + + rtd->codec = codec; + + return 0; +} + static int soc_post_component_init(struct snd_soc_card *card, struct snd_soc_codec *codec, int num, int dailess) @@ -1085,41 +1317,27 @@ static int soc_post_component_init(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link = NULL; struct snd_soc_aux_dev *aux_dev = NULL; struct snd_soc_pcm_runtime *rtd; - const char *temp, *name; + const char *name; int ret = 0; if (!dailess) { dai_link = &card->dai_link[num]; rtd = &card->rtd[num]; name = dai_link->name; + ret = soc_dai_link_init(card, codec, num); } else { aux_dev = &card->aux_dev[num]; rtd = &card->rtd_aux[num]; name = aux_dev->name; + ret = soc_aux_dev_init(card, codec, num); } - rtd->card = card; - - /* Make sure all DAPM widgets are instantiated */ - snd_soc_dapm_new_widgets(&codec->dapm); - - /* machine controls, routes and widgets are not prefixed */ - temp = codec->name_prefix; - codec->name_prefix = NULL; - /* do machine specific initialization */ - if (!dailess && dai_link->init) - ret = dai_link->init(rtd); - else if (dailess && aux_dev->init) - ret = aux_dev->init(&codec->dapm); if (ret < 0) { - dev_err(card->dev, "asoc: failed to init %s: %d\n", name, ret); + dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret); return ret; } - codec->name_prefix = temp; /* register the rtd device */ - rtd->codec = codec; - rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL); if (!rtd->dev) return -ENOMEM; @@ -1129,10 +1347,16 @@ static int soc_post_component_init(struct snd_soc_card *card, rtd->dev->init_name = name; dev_set_drvdata(rtd->dev, rtd); mutex_init(&rtd->pcm_mutex); + INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); + INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); + INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); + INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); ret = device_add(rtd->dev); if (ret < 0) { + /* calling put_device() here to free the rtd->dev */ + put_device(rtd->dev); dev_err(card->dev, - "asoc: failed to register runtime device: %d\n", ret); + "ASoC: failed to register runtime device: %d\n", ret); return ret; } rtd->dev_registered = 1; @@ -1141,32 +1365,139 @@ static int soc_post_component_init(struct snd_soc_card *card, ret = snd_soc_dapm_sys_add(rtd->dev); if (ret < 0) dev_err(codec->dev, - "asoc: failed to add codec dapm sysfs entries: %d\n", - ret); + "ASoC: failed to add codec dapm sysfs entries: %d\n", ret); /* add codec sysfs entries */ ret = device_create_file(rtd->dev, &dev_attr_codec_reg); if (ret < 0) dev_err(codec->dev, - "asoc: failed to add codec sysfs files: %d\n", ret); + "ASoC: failed to add codec sysfs files: %d\n", ret); + +#ifdef CONFIG_DEBUG_FS + /* add DPCM sysfs entries */ + if (!dailess && !dai_link->dynamic) + goto out; + + ret = soc_dpcm_debugfs_add(rtd); + if (ret < 0) + dev_err(rtd->dev, "ASoC: failed to add dpcm sysfs entries: %d\n", ret); + +out: +#endif + return 0; +} + +static int soc_probe_link_components(struct snd_soc_card *card, int num, + int order) +{ + struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_platform *platform = rtd->platform; + int ret; + + /* probe the CPU-side component, if it is a CODEC */ + if (cpu_dai->codec && + !cpu_dai->codec->probed && + cpu_dai->codec->driver->probe_order == order) { + ret = soc_probe_codec(card, cpu_dai->codec); + if (ret < 0) + return ret; + } + + /* probe the CODEC-side component */ + if (!codec_dai->codec->probed && + codec_dai->codec->driver->probe_order == order) { + ret = soc_probe_codec(card, codec_dai->codec); + if (ret < 0) + return ret; + } + + /* probe the platform */ + if (!platform->probed && + platform->driver->probe_order == order) { + ret = soc_probe_platform(card, platform); + if (ret < 0) + return ret; + } return 0; } -static int soc_probe_dai_link(struct snd_soc_card *card, int num, int order) +static int soc_probe_codec_dai(struct snd_soc_card *card, + struct snd_soc_dai *codec_dai, + int order) +{ + int ret; + + if (!codec_dai->probed && codec_dai->driver->probe_order == order) { + if (codec_dai->driver->probe) { + ret = codec_dai->driver->probe(codec_dai); + if (ret < 0) { + dev_err(codec_dai->dev, + "ASoC: failed to probe CODEC DAI %s: %d\n", + codec_dai->name, ret); + return ret; + } + } + + /* mark codec_dai as probed and add to card dai list */ + codec_dai->probed = 1; + } + + return 0; +} + +static int soc_link_dai_widgets(struct snd_soc_card *card, + struct snd_soc_dai_link *dai_link, + struct snd_soc_dai *cpu_dai, + struct snd_soc_dai *codec_dai) +{ + struct snd_soc_dapm_widget *play_w, *capture_w; + int ret; + + /* link the DAI widgets */ + play_w = codec_dai->playback_widget; + capture_w = cpu_dai->capture_widget; + if (play_w && capture_w) { + ret = snd_soc_dapm_new_pcm(card, dai_link->params, + capture_w, play_w); + if (ret != 0) { + dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", + play_w->name, capture_w->name, ret); + return ret; + } + } + + play_w = cpu_dai->playback_widget; + capture_w = codec_dai->capture_widget; + if (play_w && capture_w) { + ret = snd_soc_dapm_new_pcm(card, dai_link->params, + capture_w, play_w); + if (ret != 0) { + dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", + play_w->name, capture_w->name, ret); + return ret; + } + } + + return 0; +} + +static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) { struct snd_soc_dai_link *dai_link = &card->dai_link[num]; struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; struct snd_soc_codec *codec = rtd->codec; struct snd_soc_platform *platform = rtd->platform; - struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; int ret; - dev_dbg(card->dev, "probe %s dai link %d late %d\n", + dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n", card->name, num, order); /* config components */ - codec_dai->codec = codec; cpu_dai->platform = platform; codec_dai->card = card; cpu_dai->card = card; @@ -1177,54 +1508,31 @@ static int soc_probe_dai_link(struct snd_soc_card *card, int num, int order) /* probe the cpu_dai */ if (!cpu_dai->probed && cpu_dai->driver->probe_order == order) { - if (!try_module_get(cpu_dai->dev->driver->owner)) - return -ENODEV; + if (!cpu_dai->codec) { + cpu_dai->dapm.card = card; + if (!try_module_get(cpu_dai->dev->driver->owner)) + return -ENODEV; + + list_add(&cpu_dai->dapm.list, &card->dapm_list); + } if (cpu_dai->driver->probe) { ret = cpu_dai->driver->probe(cpu_dai); if (ret < 0) { - printk(KERN_ERR "asoc: failed to probe CPU DAI %s\n", - cpu_dai->name); + dev_err(cpu_dai->dev, + "ASoC: failed to probe CPU DAI %s: %d\n", + cpu_dai->name, ret); module_put(cpu_dai->dev->driver->owner); return ret; } } cpu_dai->probed = 1; - /* mark cpu_dai as probed and add to card dai list */ - list_add(&cpu_dai->card_list, &card->dai_dev_list); - } - - /* probe the CODEC */ - if (!codec->probed && - codec->driver->probe_order == order) { - ret = soc_probe_codec(card, codec); - if (ret < 0) - return ret; - } - - /* probe the platform */ - if (!platform->probed && - platform->driver->probe_order == order) { - ret = soc_probe_platform(card, platform); - if (ret < 0) - return ret; } /* probe the CODEC DAI */ - if (!codec_dai->probed && codec_dai->driver->probe_order == order) { - if (codec_dai->driver->probe) { - ret = codec_dai->driver->probe(codec_dai); - if (ret < 0) { - printk(KERN_ERR "asoc: failed to probe CODEC DAI %s\n", - codec_dai->name); - return ret; - } - } - - /* mark codec_dai as probed and add to card dai list */ - codec_dai->probed = 1; - list_add(&codec_dai->card_list, &card->dai_dev_list); - } + ret = soc_probe_codec_dai(card, codec_dai, order); + if (ret) + return ret; /* complete DAI probe during last probe */ if (order != SND_SOC_COMP_ORDER_LAST) @@ -1236,13 +1544,37 @@ static int soc_probe_dai_link(struct snd_soc_card *card, int num, int order) ret = device_create_file(rtd->dev, &dev_attr_pmdown_time); if (ret < 0) - printk(KERN_WARNING "asoc: failed to add pmdown_time sysfs\n"); + dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n", + ret); - /* create the pcm */ - ret = soc_new_pcm(rtd, num); - if (ret < 0) { - printk(KERN_ERR "asoc: can't create pcm %s\n", dai_link->stream_name); - return ret; + if (cpu_dai->driver->compress_dai) { + /*create compress_device"*/ + ret = soc_new_compress(rtd, num); + if (ret < 0) { + dev_err(card->dev, "ASoC: can't create compress %s\n", + dai_link->stream_name); + return ret; + } + } else { + + if (!dai_link->params) { + /* create the pcm */ + ret = soc_new_pcm(rtd, num); + if (ret < 0) { + dev_err(card->dev, "ASoC: can't create pcm %s :%d\n", + dai_link->stream_name, ret); + return ret; + } + } else { + INIT_DELAYED_WORK(&rtd->delayed_work, + codec2codec_close_delayed_work); + + /* link the DAI widgets */ + ret = soc_link_dai_widgets(card, dai_link, + cpu_dai, codec_dai); + if (ret) + return ret; + } } /* add platform data for AC97 devices */ @@ -1253,14 +1585,15 @@ static int soc_probe_dai_link(struct snd_soc_card *card, int num, int order) } #ifdef CONFIG_SND_SOC_AC97_BUS -static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) +static int soc_register_ac97_codec(struct snd_soc_codec *codec, + struct snd_soc_dai *codec_dai) { int ret; /* Only instantiate AC97 if not already done by the adaptor * for the generic AC97 subsystem. */ - if (rtd->codec_dai->driver->ac97_control && !rtd->codec->ac97_registered) { + if (codec_dai->driver->ac97_control && !codec->ac97_registered) { /* * It is possible that the AC97 device is already registered to * the device subsystem. This happens when the device is created @@ -1269,59 +1602,101 @@ static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) * * In those cases we don't try to register the device again. */ - if (!rtd->codec->ac97_created) + if (!codec->ac97_created) return 0; - ret = soc_ac97_dev_register(rtd->codec); + ret = soc_ac97_dev_register(codec); if (ret < 0) { - printk(KERN_ERR "asoc: AC97 device register failed\n"); + dev_err(codec->dev, + "ASoC: AC97 device register failed: %d\n", ret); return ret; } - rtd->codec->ac97_registered = 1; + codec->ac97_registered = 1; } return 0; } -static void soc_unregister_ac97_dai_link(struct snd_soc_codec *codec) +static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) +{ + return soc_register_ac97_codec(rtd->codec, rtd->codec_dai); +} + +static void soc_unregister_ac97_codec(struct snd_soc_codec *codec) { if (codec->ac97_registered) { soc_ac97_dev_unregister(codec); codec->ac97_registered = 0; } } + +static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) +{ + soc_unregister_ac97_codec(rtd->codec); +} #endif -static int soc_probe_aux_dev(struct snd_soc_card *card, int num) +static struct snd_soc_codec *soc_find_matching_codec(struct snd_soc_card *card, + int num) { struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; struct snd_soc_codec *codec; - int ret = -ENODEV; - /* find CODEC from registered CODECs*/ + /* find CODEC from registered CODECs */ list_for_each_entry(codec, &codec_list, list) { - if (!strcmp(codec->name, aux_dev->codec_name)) { - if (codec->probed) { - dev_err(codec->dev, - "asoc: codec already probed"); - ret = -EBUSY; - goto out; - } - goto found; - } + if (aux_dev->codec_of_node && + (codec->dev->of_node != aux_dev->codec_of_node)) + continue; + if (aux_dev->codec_name && strcmp(codec->name, aux_dev->codec_name)) + continue; + return codec; + } + + return NULL; +} + +static int soc_check_aux_dev(struct snd_soc_card *card, int num) +{ + struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; + const char *codecname = aux_dev->codec_name; + struct snd_soc_codec *codec = soc_find_matching_codec(card, num); + + if (codec) + return 0; + if (aux_dev->codec_of_node) + codecname = of_node_full_name(aux_dev->codec_of_node); + + dev_err(card->dev, "ASoC: %s not registered\n", codecname); + return -EPROBE_DEFER; +} + +static int soc_probe_aux_dev(struct snd_soc_card *card, int num) +{ + struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; + const char *codecname = aux_dev->codec_name; + int ret = -ENODEV; + struct snd_soc_codec *codec = soc_find_matching_codec(card, num); + + if (!codec) { + if (aux_dev->codec_of_node) + codecname = of_node_full_name(aux_dev->codec_of_node); + + /* codec not found */ + dev_err(card->dev, "ASoC: codec %s not found", codecname); + return -EPROBE_DEFER; + } + + if (codec->probed) { + dev_err(codec->dev, "ASoC: codec already probed"); + return -EBUSY; } - /* codec not found */ - dev_err(card->dev, "asoc: codec %s not found", aux_dev->codec_name); - goto out; -found: ret = soc_probe_codec(card, codec); if (ret < 0) return ret; ret = soc_post_component_init(card, codec, num, 1); -out: return ret; } @@ -1333,7 +1708,7 @@ static void soc_remove_aux_dev(struct snd_soc_card *card, int num) /* unregister the rtd device */ if (rtd->dev_registered) { device_remove_file(rtd->dev, &dev_attr_codec_reg); - device_del(rtd->dev); + device_unregister(rtd->dev); rtd->dev_registered = 0; } @@ -1341,20 +1716,17 @@ static void soc_remove_aux_dev(struct snd_soc_card *card, int num) soc_remove_codec(codec); } -static int snd_soc_init_codec_cache(struct snd_soc_codec *codec, - enum snd_soc_compress_type compress_type) +static int snd_soc_init_codec_cache(struct snd_soc_codec *codec) { int ret; if (codec->cache_init) return 0; - /* override the compress_type if necessary */ - if (compress_type && codec->compress_type != compress_type) - codec->compress_type = compress_type; ret = snd_soc_cache_init(codec); if (ret < 0) { - dev_err(codec->dev, "Failed to set cache compression type: %d\n", + dev_err(codec->dev, + "ASoC: Failed to set cache compression type: %d\n", ret); return ret; } @@ -1362,64 +1734,46 @@ static int snd_soc_init_codec_cache(struct snd_soc_codec *codec, return 0; } -static void snd_soc_instantiate_card(struct snd_soc_card *card) +static int snd_soc_instantiate_card(struct snd_soc_card *card) { struct snd_soc_codec *codec; - struct snd_soc_codec_conf *codec_conf; - enum snd_soc_compress_type compress_type; struct snd_soc_dai_link *dai_link; - int ret, i, order; + int ret, i, order, dai_fmt; - mutex_lock(&card->mutex); - - if (card->instantiated) { - mutex_unlock(&card->mutex); - return; - } + mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT); /* bind DAIs */ - for (i = 0; i < card->num_links; i++) - soc_bind_dai_link(card, i); + for (i = 0; i < card->num_links; i++) { + ret = soc_bind_dai_link(card, i); + if (ret != 0) + goto base_error; + } - /* bind completed ? */ - if (card->num_rtd != card->num_links) { - mutex_unlock(&card->mutex); - return; + /* check aux_devs too */ + for (i = 0; i < card->num_aux_devs; i++) { + ret = soc_check_aux_dev(card, i); + if (ret != 0) + goto base_error; } /* initialize the register cache for each available codec */ list_for_each_entry(codec, &codec_list, list) { if (codec->cache_init) continue; - /* by default we don't override the compress_type */ - compress_type = 0; - /* check to see if we need to override the compress_type */ - for (i = 0; i < card->num_configs; ++i) { - codec_conf = &card->codec_conf[i]; - if (!strcmp(codec->name, codec_conf->dev_name)) { - compress_type = codec_conf->compress_type; - if (compress_type && compress_type - != codec->compress_type) - break; - } - } - ret = snd_soc_init_codec_cache(codec, compress_type); - if (ret < 0) { - mutex_unlock(&card->mutex); - return; - } + ret = snd_soc_init_codec_cache(codec); + if (ret < 0) + goto base_error; } /* card bind complete so register a sound card */ - ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, + ret = snd_card_new(card->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, card->owner, 0, &card->snd_card); if (ret < 0) { - printk(KERN_ERR "asoc: can't create sound card for card %s\n", - card->name); - mutex_unlock(&card->mutex); - return; + dev_err(card->dev, + "ASoC: can't create sound card for card %s: %d\n", + card->name, ret); + goto base_error; } - card->snd_card->dev = card->dev; card->dapm.bias_level = SND_SOC_BIAS_OFF; card->dapm.dev = card->dev; @@ -1446,14 +1800,29 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card) goto card_probe_error; } - /* early DAI link probe */ + /* probe all components used by DAI links on this card */ + for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; + order++) { + for (i = 0; i < card->num_links; i++) { + ret = soc_probe_link_components(card, i, order); + if (ret < 0) { + dev_err(card->dev, + "ASoC: failed to instantiate card %d\n", + ret); + goto probe_dai_err; + } + } + } + + /* probe all DAI links on this card */ for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; order++) { for (i = 0; i < card->num_links; i++) { - ret = soc_probe_dai_link(card, i, order); + ret = soc_probe_link_dais(card, i, order); if (ret < 0) { - pr_err("asoc: failed to instantiate card %s: %d\n", - card->name, ret); + dev_err(card->dev, + "ASoC: failed to instantiate card %d\n", + ret); goto probe_dai_err; } } @@ -1462,42 +1831,69 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card) for (i = 0; i < card->num_aux_devs; i++) { ret = soc_probe_aux_dev(card, i); if (ret < 0) { - pr_err("asoc: failed to add auxiliary devices %s: %d\n", - card->name, ret); + dev_err(card->dev, + "ASoC: failed to add auxiliary devices %d\n", + ret); goto probe_aux_dev_err; } } - /* We should have a non-codec control add function but we don't */ + snd_soc_dapm_link_dai_widgets(card); + snd_soc_dapm_connect_dai_link_widgets(card); + if (card->controls) - snd_soc_add_controls(list_first_entry(&card->codec_dev_list, - struct snd_soc_codec, - card_list), - card->controls, - card->num_controls); + snd_soc_add_card_controls(card, card->controls, card->num_controls); if (card->dapm_routes) snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, card->num_dapm_routes); - snd_soc_dapm_new_widgets(&card->dapm); - for (i = 0; i < card->num_links; i++) { dai_link = &card->dai_link[i]; + dai_fmt = dai_link->dai_fmt; - if (dai_link->dai_fmt) { + if (dai_fmt) { ret = snd_soc_dai_set_fmt(card->rtd[i].codec_dai, - dai_link->dai_fmt); - if (ret != 0) + dai_fmt); + if (ret != 0 && ret != -ENOTSUPP) dev_warn(card->rtd[i].codec_dai->dev, - "Failed to set DAI format: %d\n", + "ASoC: Failed to set DAI format: %d\n", ret); + } + /* If this is a regular CPU link there will be a platform */ + if (dai_fmt && + (dai_link->platform_name || dai_link->platform_of_node)) { ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, - dai_link->dai_fmt); - if (ret != 0) + dai_fmt); + if (ret != 0 && ret != -ENOTSUPP) + dev_warn(card->rtd[i].cpu_dai->dev, + "ASoC: Failed to set DAI format: %d\n", + ret); + } else if (dai_fmt) { + /* Flip the polarity for the "CPU" end */ + dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK; + switch (dai_link->dai_fmt & + SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; + break; + case SND_SOC_DAIFMT_CBM_CFS: + dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; + break; + case SND_SOC_DAIFMT_CBS_CFM: + dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; + break; + case SND_SOC_DAIFMT_CBS_CFS: + dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; + break; + } + + ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, + dai_fmt); + if (ret != 0 && ret != -ENOTSUPP) dev_warn(card->rtd[i].cpu_dai->dev, - "Failed to set DAI format: %d\n", + "ASoC: Failed to set DAI format: %d\n", ret); } } @@ -1524,21 +1920,22 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card) if (card->late_probe) { ret = card->late_probe(card); if (ret < 0) { - dev_err(card->dev, "%s late_probe() failed: %d\n", + dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", card->name, ret); goto probe_aux_dev_err; } } - snd_soc_dapm_new_widgets(&card->dapm); - if (card->fully_routed) list_for_each_entry(codec, &card->codec_dev_list, card_list) snd_soc_dapm_auto_nc_codec_pins(codec); + snd_soc_dapm_new_widgets(card); + ret = snd_card_register(card->snd_card); if (ret < 0) { - printk(KERN_ERR "asoc: failed to register soundcard for %s\n", card->name); + dev_err(card->dev, "ASoC: failed to register soundcard %d\n", + ret); goto probe_aux_dev_err; } @@ -1547,9 +1944,10 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card) for (i = 0; i < card->num_rtd; i++) { ret = soc_register_ac97_dai_link(&card->rtd[i]); if (ret < 0) { - printk(KERN_ERR "asoc: failed to register AC97 %s\n", card->name); + dev_err(card->dev, + "ASoC: failed to register AC97: %d\n", ret); while (--i >= 0) - soc_unregister_ac97_dai_link(card->rtd[i].codec); + soc_unregister_ac97_dai_link(&card->rtd[i]); goto probe_aux_dev_err; } } @@ -1558,7 +1956,8 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card) card->instantiated = 1; snd_soc_dapm_sync(&card->dapm); mutex_unlock(&card->mutex); - return; + + return 0; probe_aux_dev_err: for (i = 0; i < card->num_aux_devs; i++) @@ -1573,25 +1972,16 @@ card_probe_error: snd_card_free(card->snd_card); +base_error: mutex_unlock(&card->mutex); -} -/* - * Attempt to initialise any uninitialised cards. Must be called with - * client_mutex. - */ -static void snd_soc_instantiate_cards(void) -{ - struct snd_soc_card *card; - list_for_each_entry(card, &card_list, list) - snd_soc_instantiate_card(card); + return ret; } /* probes a new socdev */ static int soc_probe(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); - int ret = 0; /* * no card, so machine driver should be registering card @@ -1600,16 +1990,14 @@ static int soc_probe(struct platform_device *pdev) if (!card) return -EINVAL; + dev_warn(&pdev->dev, + "ASoC: machine %s should use snd_soc_register_card()\n", + card->name); + /* Bodge while we unpick instantiation */ card->dev = &pdev->dev; - ret = snd_soc_register_card(card); - if (ret != 0) { - dev_err(&pdev->dev, "Failed to register card\n"); - return ret; - } - - return 0; + return snd_soc_register_card(card); } static int soc_cleanup_card_resources(struct snd_soc_card *card) @@ -1619,7 +2007,7 @@ static int soc_cleanup_card_resources(struct snd_soc_card *card) /* make sure any delayed work runs */ for (i = 0; i < card->num_rtd; i++) { struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; - flush_delayed_work_sync(&rtd->delayed_work); + flush_delayed_work(&rtd->delayed_work); } /* remove auxiliary devices */ @@ -1637,7 +2025,6 @@ static int soc_cleanup_card_resources(struct snd_soc_card *card) snd_soc_dapm_free(&card->dapm); - kfree(card->rtd); snd_card_free(card->snd_card); return 0; @@ -1664,11 +2051,19 @@ int snd_soc_poweroff(struct device *dev) * now, we're shutting down so no imminent restart. */ for (i = 0; i < card->num_rtd; i++) { struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; - flush_delayed_work_sync(&rtd->delayed_work); + flush_delayed_work(&rtd->delayed_work); } snd_soc_dapm_shutdown(card); + /* deactivate pins to sleep state */ + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; + struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai; + pinctrl_pm_select_sleep_state(codec_dai->dev); + pinctrl_pm_select_sleep_state(cpu_dai->dev); + } + return 0; } EXPORT_SYMBOL_GPL(snd_soc_poweroff); @@ -1676,7 +2071,10 @@ EXPORT_SYMBOL_GPL(snd_soc_poweroff); const struct dev_pm_ops snd_soc_pm_ops = { .suspend = snd_soc_suspend, .resume = snd_soc_resume, + .freeze = snd_soc_suspend, + .thaw = snd_soc_resume, .poweroff = snd_soc_poweroff, + .restore = snd_soc_resume, }; EXPORT_SYMBOL_GPL(snd_soc_pm_ops); @@ -1692,92 +2090,6 @@ static struct platform_driver soc_driver = { }; /** - * snd_soc_codec_volatile_register: Report if a register is volatile. - * - * @codec: CODEC to query. - * @reg: Register to query. - * - * Boolean function indiciating if a CODEC register is volatile. - */ -int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, - unsigned int reg) -{ - if (codec->volatile_register) - return codec->volatile_register(codec, reg); - else - return 0; -} -EXPORT_SYMBOL_GPL(snd_soc_codec_volatile_register); - -/** - * snd_soc_codec_readable_register: Report if a register is readable. - * - * @codec: CODEC to query. - * @reg: Register to query. - * - * Boolean function indicating if a CODEC register is readable. - */ -int snd_soc_codec_readable_register(struct snd_soc_codec *codec, - unsigned int reg) -{ - if (codec->readable_register) - return codec->readable_register(codec, reg); - else - return 1; -} -EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register); - -/** - * snd_soc_codec_writable_register: Report if a register is writable. - * - * @codec: CODEC to query. - * @reg: Register to query. - * - * Boolean function indicating if a CODEC register is writable. - */ -int snd_soc_codec_writable_register(struct snd_soc_codec *codec, - unsigned int reg) -{ - if (codec->writable_register) - return codec->writable_register(codec, reg); - else - return 1; -} -EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register); - -int snd_soc_platform_read(struct snd_soc_platform *platform, - unsigned int reg) -{ - unsigned int ret; - - if (!platform->driver->read) { - dev_err(platform->dev, "platform has no read back\n"); - return -1; - } - - ret = platform->driver->read(platform, reg); - dev_dbg(platform->dev, "read %x => %x\n", reg, ret); - trace_snd_soc_preg_read(platform, reg, ret); - - return ret; -} -EXPORT_SYMBOL_GPL(snd_soc_platform_read); - -int snd_soc_platform_write(struct snd_soc_platform *platform, - unsigned int reg, unsigned int val) -{ - if (!platform->driver->write) { - dev_err(platform->dev, "platform has no write back\n"); - return -1; - } - - dev_dbg(platform->dev, "write %x = %x\n", reg, val); - trace_snd_soc_preg_write(platform, reg, val); - return platform->driver->write(platform, reg, val); -} -EXPORT_SYMBOL_GPL(snd_soc_platform_write); - -/** * snd_soc_new_ac97_codec - initailise AC97 device * @codec: audio codec * @ops: AC97 bus operations @@ -1818,162 +2130,182 @@ int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, } EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); -/** - * snd_soc_free_ac97_codec - free AC97 codec device - * @codec: audio codec - * - * Frees AC97 codec device resources. - */ -void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) -{ - mutex_lock(&codec->mutex); -#ifdef CONFIG_SND_SOC_AC97_BUS - soc_unregister_ac97_dai_link(codec); -#endif - kfree(codec->ac97->bus); - kfree(codec->ac97); - codec->ac97 = NULL; - codec->ac97_created = 0; - mutex_unlock(&codec->mutex); -} -EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); +static struct snd_ac97_reset_cfg snd_ac97_rst_cfg; -unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg) +static void snd_soc_ac97_warm_reset(struct snd_ac97 *ac97) { - unsigned int ret; + struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; - ret = codec->read(codec, reg); - dev_dbg(codec->dev, "read %x => %x\n", reg, ret); - trace_snd_soc_reg_read(codec, reg, ret); + pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_warm_reset); - return ret; -} -EXPORT_SYMBOL_GPL(snd_soc_read); + gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 1); -unsigned int snd_soc_write(struct snd_soc_codec *codec, - unsigned int reg, unsigned int val) -{ - dev_dbg(codec->dev, "write %x = %x\n", reg, val); - trace_snd_soc_reg_write(codec, reg, val); - return codec->write(codec, reg, val); + udelay(10); + + gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); + + pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); + msleep(2); } -EXPORT_SYMBOL_GPL(snd_soc_write); -unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec, - unsigned int reg, const void *data, size_t len) +static void snd_soc_ac97_reset(struct snd_ac97 *ac97) { - return codec->bulk_write_raw(codec, reg, data, len); + struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; + + pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_reset); + + gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); + gpio_direction_output(snd_ac97_rst_cfg.gpio_sdata, 0); + gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 0); + + udelay(10); + + gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 1); + + pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); + msleep(2); } -EXPORT_SYMBOL_GPL(snd_soc_bulk_write_raw); -/** - * snd_soc_update_bits - update codec register bits - * @codec: audio codec - * @reg: codec register - * @mask: register mask - * @value: new value - * - * Writes new register value. - * - * Returns 1 for change, 0 for no change, or negative error code. - */ -int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, - unsigned int mask, unsigned int value) +static int snd_soc_ac97_parse_pinctl(struct device *dev, + struct snd_ac97_reset_cfg *cfg) { - int change; - unsigned int old, new; + struct pinctrl *p; + struct pinctrl_state *state; + int gpio; int ret; - ret = snd_soc_read(codec, reg); - if (ret < 0) + p = devm_pinctrl_get(dev); + if (IS_ERR(p)) { + dev_err(dev, "Failed to get pinctrl\n"); + return PTR_ERR(p); + } + cfg->pctl = p; + + state = pinctrl_lookup_state(p, "ac97-reset"); + if (IS_ERR(state)) { + dev_err(dev, "Can't find pinctrl state ac97-reset\n"); + return PTR_ERR(state); + } + cfg->pstate_reset = state; + + state = pinctrl_lookup_state(p, "ac97-warm-reset"); + if (IS_ERR(state)) { + dev_err(dev, "Can't find pinctrl state ac97-warm-reset\n"); + return PTR_ERR(state); + } + cfg->pstate_warm_reset = state; + + state = pinctrl_lookup_state(p, "ac97-running"); + if (IS_ERR(state)) { + dev_err(dev, "Can't find pinctrl state ac97-running\n"); + return PTR_ERR(state); + } + cfg->pstate_run = state; + + gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 0); + if (gpio < 0) { + dev_err(dev, "Can't find ac97-sync gpio\n"); + return gpio; + } + ret = devm_gpio_request(dev, gpio, "AC97 link sync"); + if (ret) { + dev_err(dev, "Failed requesting ac97-sync gpio\n"); return ret; + } + cfg->gpio_sync = gpio; - old = ret; - new = (old & ~mask) | (value & mask); - change = old != new; - if (change) { - ret = snd_soc_write(codec, reg, new); - if (ret < 0) - return ret; + gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 1); + if (gpio < 0) { + dev_err(dev, "Can't find ac97-sdata gpio %d\n", gpio); + return gpio; + } + ret = devm_gpio_request(dev, gpio, "AC97 link sdata"); + if (ret) { + dev_err(dev, "Failed requesting ac97-sdata gpio\n"); + return ret; + } + cfg->gpio_sdata = gpio; + + gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 2); + if (gpio < 0) { + dev_err(dev, "Can't find ac97-reset gpio\n"); + return gpio; + } + ret = devm_gpio_request(dev, gpio, "AC97 link reset"); + if (ret) { + dev_err(dev, "Failed requesting ac97-reset gpio\n"); + return ret; } + cfg->gpio_reset = gpio; - return change; + return 0; } -EXPORT_SYMBOL_GPL(snd_soc_update_bits); -/** - * snd_soc_update_bits_locked - update codec register bits - * @codec: audio codec - * @reg: codec register - * @mask: register mask - * @value: new value - * - * Writes new register value, and takes the codec mutex. - * - * Returns 1 for change else 0. - */ -int snd_soc_update_bits_locked(struct snd_soc_codec *codec, - unsigned short reg, unsigned int mask, - unsigned int value) +struct snd_ac97_bus_ops *soc_ac97_ops; +EXPORT_SYMBOL_GPL(soc_ac97_ops); + +int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) { - int change; + if (ops == soc_ac97_ops) + return 0; - mutex_lock(&codec->mutex); - change = snd_soc_update_bits(codec, reg, mask, value); - mutex_unlock(&codec->mutex); + if (soc_ac97_ops && ops) + return -EBUSY; + + soc_ac97_ops = ops; - return change; + return 0; } -EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked); +EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops); /** - * snd_soc_test_bits - test register for change - * @codec: audio codec - * @reg: codec register - * @mask: register mask - * @value: new value - * - * Tests a register with a new value and checks if the new value is - * different from the old value. + * snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions * - * Returns 1 for change else 0. + * This function sets the reset and warm_reset properties of ops and parses + * the device node of pdev to get pinctrl states and gpio numbers to use. */ -int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, - unsigned int mask, unsigned int value) +int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, + struct platform_device *pdev) { - int change; - unsigned int old, new; + struct device *dev = &pdev->dev; + struct snd_ac97_reset_cfg cfg; + int ret; - old = snd_soc_read(codec, reg); - new = (old & ~mask) | value; - change = old != new; + ret = snd_soc_ac97_parse_pinctl(dev, &cfg); + if (ret) + return ret; + + ret = snd_soc_set_ac97_ops(ops); + if (ret) + return ret; + + ops->warm_reset = snd_soc_ac97_warm_reset; + ops->reset = snd_soc_ac97_reset; - return change; + snd_ac97_rst_cfg = cfg; + return 0; } -EXPORT_SYMBOL_GPL(snd_soc_test_bits); +EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset); /** - * snd_soc_set_runtime_hwparams - set the runtime hardware parameters - * @substream: the pcm substream - * @hw: the hardware parameters + * snd_soc_free_ac97_codec - free AC97 codec device + * @codec: audio codec * - * Sets the substream runtime hardware parameters. + * Frees AC97 codec device resources. */ -int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, - const struct snd_pcm_hardware *hw) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - runtime->hw.info = hw->info; - runtime->hw.formats = hw->formats; - runtime->hw.period_bytes_min = hw->period_bytes_min; - runtime->hw.period_bytes_max = hw->period_bytes_max; - runtime->hw.periods_min = hw->periods_min; - runtime->hw.periods_max = hw->periods_max; - runtime->hw.buffer_bytes_max = hw->buffer_bytes_max; - runtime->hw.fifo_size = hw->fifo_size; - return 0; +void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) +{ + mutex_lock(&codec->mutex); +#ifdef CONFIG_SND_SOC_AC97_BUS + soc_unregister_ac97_codec(codec); +#endif + kfree(codec->ac97->bus); + kfree(codec->ac97); + codec->ac97 = NULL; + codec->ac97_created = 0; + mutex_unlock(&codec->mutex); } -EXPORT_SYMBOL_GPL(snd_soc_set_runtime_hwparams); +EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); /** * snd_soc_cnew - create new control @@ -1987,13 +2319,12 @@ EXPORT_SYMBOL_GPL(snd_soc_set_runtime_hwparams); * Returns 0 for success, else error. */ struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, - void *data, char *long_name, + void *data, const char *long_name, const char *prefix) { struct snd_kcontrol_new template; struct snd_kcontrol *kcontrol; char *name = NULL; - int name_len; memcpy(&template, _template, sizeof(template)); template.index = 0; @@ -2002,13 +2333,10 @@ struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, long_name = template.name; if (prefix) { - name_len = strlen(long_name) + strlen(prefix) + 2; - name = kmalloc(name_len, GFP_KERNEL); + name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name); if (!name) return NULL; - snprintf(name, name_len, "%s %s", prefix, long_name); - template.name = name; } else { template.name = long_name; @@ -2022,9 +2350,45 @@ struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, } EXPORT_SYMBOL_GPL(snd_soc_cnew); +static int snd_soc_add_controls(struct snd_card *card, struct device *dev, + const struct snd_kcontrol_new *controls, int num_controls, + const char *prefix, void *data) +{ + int err, i; + + for (i = 0; i < num_controls; i++) { + const struct snd_kcontrol_new *control = &controls[i]; + err = snd_ctl_add(card, snd_soc_cnew(control, data, + control->name, prefix)); + if (err < 0) { + dev_err(dev, "ASoC: Failed to add %s: %d\n", + control->name, err); + return err; + } + } + + return 0; +} + +struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, + const char *name) +{ + struct snd_card *card = soc_card->snd_card; + struct snd_kcontrol *kctl; + + if (unlikely(!name)) + return NULL; + + list_for_each_entry(kctl, &card->controls, list) + if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) + return kctl; + return NULL; +} +EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol); + /** - * snd_soc_add_controls - add an array of controls to a codec. - * Convienience function to add a list of controls. Many codecs were + * snd_soc_add_codec_controls - add an array of controls to a codec. + * Convenience function to add a list of controls. Many codecs were * duplicating this code. * * @codec: codec to add controls to @@ -2033,31 +2397,19 @@ EXPORT_SYMBOL_GPL(snd_soc_cnew); * * Return 0 for success, else error. */ -int snd_soc_add_controls(struct snd_soc_codec *codec, +int snd_soc_add_codec_controls(struct snd_soc_codec *codec, const struct snd_kcontrol_new *controls, int num_controls) { struct snd_card *card = codec->card->snd_card; - int err, i; - - for (i = 0; i < num_controls; i++) { - const struct snd_kcontrol_new *control = &controls[i]; - err = snd_ctl_add(card, snd_soc_cnew(control, codec, - control->name, - codec->name_prefix)); - if (err < 0) { - dev_err(codec->dev, "%s: Failed to add %s: %d\n", - codec->name, control->name, err); - return err; - } - } - return 0; + return snd_soc_add_controls(card, codec->dev, controls, num_controls, + codec->name_prefix, &codec->component); } -EXPORT_SYMBOL_GPL(snd_soc_add_controls); +EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); /** * snd_soc_add_platform_controls - add an array of controls to a platform. - * Convienience function to add a list of controls. + * Convenience function to add a list of controls. * * @platform: platform to add controls to * @controls: array of controls to add @@ -2069,238 +2421,200 @@ int snd_soc_add_platform_controls(struct snd_soc_platform *platform, const struct snd_kcontrol_new *controls, int num_controls) { struct snd_card *card = platform->card->snd_card; - int err, i; - - for (i = 0; i < num_controls; i++) { - const struct snd_kcontrol_new *control = &controls[i]; - err = snd_ctl_add(card, snd_soc_cnew(control, platform, - control->name, NULL)); - if (err < 0) { - dev_err(platform->dev, "Failed to add %s %d\n",control->name, err); - return err; - } - } - return 0; + return snd_soc_add_controls(card, platform->dev, controls, num_controls, + NULL, &platform->component); } EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); /** - * snd_soc_info_enum_double - enumerated double mixer info callback - * @kcontrol: mixer control - * @uinfo: control element information + * snd_soc_add_card_controls - add an array of controls to a SoC card. + * Convenience function to add a list of controls. * - * Callback to provide information about a double enumerated - * mixer control. + * @soc_card: SoC card to add controls to + * @controls: array of controls to add + * @num_controls: number of elements in the array * - * Returns 0 for success. + * Return 0 for success, else error. */ -int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) +int snd_soc_add_card_controls(struct snd_soc_card *soc_card, + const struct snd_kcontrol_new *controls, int num_controls) { - struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; - - uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; - uinfo->count = e->shift_l == e->shift_r ? 1 : 2; - uinfo->value.enumerated.items = e->max; + struct snd_card *card = soc_card->snd_card; - if (uinfo->value.enumerated.item > e->max - 1) - uinfo->value.enumerated.item = e->max - 1; - strcpy(uinfo->value.enumerated.name, - e->texts[uinfo->value.enumerated.item]); - return 0; + return snd_soc_add_controls(card, soc_card->dev, controls, num_controls, + NULL, soc_card); } -EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); +EXPORT_SYMBOL_GPL(snd_soc_add_card_controls); /** - * snd_soc_get_enum_double - enumerated double mixer get callback - * @kcontrol: mixer control - * @ucontrol: control element information + * snd_soc_add_dai_controls - add an array of controls to a DAI. + * Convienience function to add a list of controls. * - * Callback to get the value of a double enumerated mixer. + * @dai: DAI to add controls to + * @controls: array of controls to add + * @num_controls: number of elements in the array * - * Returns 0 for success. + * Return 0 for success, else error. */ -int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) +int snd_soc_add_dai_controls(struct snd_soc_dai *dai, + const struct snd_kcontrol_new *controls, int num_controls) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; - unsigned int val, bitmask; + struct snd_card *card = dai->card->snd_card; - for (bitmask = 1; bitmask < e->max; bitmask <<= 1) - ; - val = snd_soc_read(codec, e->reg); - ucontrol->value.enumerated.item[0] - = (val >> e->shift_l) & (bitmask - 1); - if (e->shift_l != e->shift_r) - ucontrol->value.enumerated.item[1] = - (val >> e->shift_r) & (bitmask - 1); - - return 0; + return snd_soc_add_controls(card, dai->dev, controls, num_controls, + NULL, dai); } -EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); +EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); /** - * snd_soc_put_enum_double - enumerated double mixer put callback + * snd_soc_info_enum_double - enumerated double mixer info callback * @kcontrol: mixer control - * @ucontrol: control element information + * @uinfo: control element information * - * Callback to set the value of a double enumerated mixer. + * Callback to provide information about a double enumerated + * mixer control. * * Returns 0 for success. */ -int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) +int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; - unsigned int val; - unsigned int mask, bitmask; - for (bitmask = 1; bitmask < e->max; bitmask <<= 1) - ; - if (ucontrol->value.enumerated.item[0] > e->max - 1) - return -EINVAL; - val = ucontrol->value.enumerated.item[0] << e->shift_l; - mask = (bitmask - 1) << e->shift_l; - if (e->shift_l != e->shift_r) { - if (ucontrol->value.enumerated.item[1] > e->max - 1) - return -EINVAL; - val |= ucontrol->value.enumerated.item[1] << e->shift_r; - mask |= (bitmask - 1) << e->shift_r; - } + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = e->shift_l == e->shift_r ? 1 : 2; + uinfo->value.enumerated.items = e->items; - return snd_soc_update_bits_locked(codec, e->reg, mask, val); + if (uinfo->value.enumerated.item >= e->items) + uinfo->value.enumerated.item = e->items - 1; + strlcpy(uinfo->value.enumerated.name, + e->texts[uinfo->value.enumerated.item], + sizeof(uinfo->value.enumerated.name)); + return 0; } -EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); +EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); /** - * snd_soc_get_value_enum_double - semi enumerated double mixer get callback + * snd_soc_get_enum_double - enumerated double mixer get callback * @kcontrol: mixer control * @ucontrol: control element information * - * Callback to get the value of a double semi enumerated mixer. - * - * Semi enumerated mixer: the enumerated items are referred as values. Can be - * used for handling bitfield coded enumeration for example. + * Callback to get the value of a double enumerated mixer. * * Returns 0 for success. */ -int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol, +int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; - unsigned int reg_val, val, mux; + unsigned int val, item; + unsigned int reg_val; + int ret; - reg_val = snd_soc_read(codec, e->reg); + ret = snd_soc_component_read(component, e->reg, ®_val); + if (ret) + return ret; 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; + item = snd_soc_enum_val_to_item(e, val); + ucontrol->value.enumerated.item[0] = item; 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; + val = (reg_val >> e->shift_l) & e->mask; + item = snd_soc_enum_val_to_item(e, val); + ucontrol->value.enumerated.item[1] = item; } return 0; } -EXPORT_SYMBOL_GPL(snd_soc_get_value_enum_double); +EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); /** - * snd_soc_put_value_enum_double - semi enumerated double mixer put callback + * snd_soc_put_enum_double - enumerated double mixer put callback * @kcontrol: mixer control * @ucontrol: control element information * - * Callback to set the value of a double semi enumerated mixer. - * - * Semi enumerated mixer: the enumerated items are referred as values. Can be - * used for handling bitfield coded enumeration for example. + * Callback to set the value of a double enumerated mixer. * * Returns 0 for success. */ -int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol, +int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + unsigned int *item = ucontrol->value.enumerated.item; unsigned int val; unsigned int mask; - if (ucontrol->value.enumerated.item[0] > e->max - 1) + if (item[0] >= e->items) return -EINVAL; - val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l; + val = snd_soc_enum_item_to_val(e, 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) + if (item[1] >= e->items) return -EINVAL; - val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r; + val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r; mask |= e->mask << e->shift_r; } - return snd_soc_update_bits_locked(codec, e->reg, mask, val); + return snd_soc_component_update_bits(component, e->reg, mask, val); } -EXPORT_SYMBOL_GPL(snd_soc_put_value_enum_double); +EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); /** - * snd_soc_info_enum_ext - external enumerated single mixer info callback - * @kcontrol: mixer control - * @uinfo: control element information + * snd_soc_read_signed - Read a codec register and interprete as signed value + * @component: component + * @reg: Register to read + * @mask: Mask to use after shifting the register value + * @shift: Right shift of register value + * @sign_bit: Bit that describes if a number is negative or not. + * @signed_val: Pointer to where the read value should be stored * - * Callback to provide information about an external enumerated - * single mixer. + * This functions reads a codec register. The register value is shifted right + * by 'shift' bits and masked with the given 'mask'. Afterwards it translates + * the given registervalue into a signed integer if sign_bit is non-zero. * - * Returns 0 for success. + * Returns 0 on sucess, otherwise an error value */ -int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) +static int snd_soc_read_signed(struct snd_soc_component *component, + unsigned int reg, unsigned int mask, unsigned int shift, + unsigned int sign_bit, int *signed_val) { - struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + int ret; + unsigned int val; - uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; - uinfo->count = 1; - uinfo->value.enumerated.items = e->max; + ret = snd_soc_component_read(component, reg, &val); + if (ret < 0) + return ret; - if (uinfo->value.enumerated.item > e->max - 1) - uinfo->value.enumerated.item = e->max - 1; - strcpy(uinfo->value.enumerated.name, - e->texts[uinfo->value.enumerated.item]); - return 0; -} -EXPORT_SYMBOL_GPL(snd_soc_info_enum_ext); + val = (val >> shift) & mask; -/** - * snd_soc_info_volsw_ext - external single mixer info callback - * @kcontrol: mixer control - * @uinfo: control element information - * - * Callback to provide information about a single external mixer control. - * - * Returns 0 for success. - */ -int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - int max = kcontrol->private_value; + if (!sign_bit) { + *signed_val = val; + return 0; + } - if (max == 1 && !strstr(kcontrol->id.name, " Volume")) - uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; - else - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + /* non-negative number */ + if (!(val & BIT(sign_bit))) { + *signed_val = val; + return 0; + } + + ret = val; + + /* + * The register most probably does not contain a full-sized int. + * Instead we have an arbitrary number of bits in a signed + * representation which has to be translated into a full-sized int. + * This is done by filling up all bits above the sign-bit. + */ + ret |= ~((int)(BIT(sign_bit) - 1)); + + *signed_val = ret; - uinfo->count = 1; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = max; return 0; } -EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext); /** * snd_soc_info_volsw - single mixer info callback @@ -2330,7 +2644,7 @@ int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; uinfo->value.integer.min = 0; - uinfo->value.integer.max = platform_max; + uinfo->value.integer.max = platform_max - mc->min; return 0; } EXPORT_SYMBOL_GPL(snd_soc_info_volsw); @@ -2348,30 +2662,44 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw); int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); unsigned int reg = mc->reg; unsigned int reg2 = mc->rreg; unsigned int shift = mc->shift; unsigned int rshift = mc->rshift; int max = mc->max; + int min = mc->min; + int sign_bit = mc->sign_bit; unsigned int mask = (1 << fls(max)) - 1; unsigned int invert = mc->invert; + int val; + int ret; - ucontrol->value.integer.value[0] = - (snd_soc_read(codec, reg) >> shift) & mask; + if (sign_bit) + mask = BIT(sign_bit + 1) - 1; + + ret = snd_soc_read_signed(component, reg, mask, shift, sign_bit, &val); + if (ret) + return ret; + + ucontrol->value.integer.value[0] = val - min; if (invert) ucontrol->value.integer.value[0] = max - ucontrol->value.integer.value[0]; if (snd_soc_volsw_is_stereo(mc)) { if (reg == reg2) - ucontrol->value.integer.value[1] = - (snd_soc_read(codec, reg) >> rshift) & mask; + ret = snd_soc_read_signed(component, reg, mask, rshift, + sign_bit, &val); else - ucontrol->value.integer.value[1] = - (snd_soc_read(codec, reg2) >> shift) & mask; + ret = snd_soc_read_signed(component, reg2, mask, shift, + sign_bit, &val); + if (ret) + return ret; + + ucontrol->value.integer.value[1] = val - min; if (invert) ucontrol->value.integer.value[1] = max - ucontrol->value.integer.value[1]; @@ -2394,28 +2722,33 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw); int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); unsigned int reg = mc->reg; unsigned int reg2 = mc->rreg; unsigned int shift = mc->shift; unsigned int rshift = mc->rshift; int max = mc->max; + int min = mc->min; + unsigned int sign_bit = mc->sign_bit; unsigned int mask = (1 << fls(max)) - 1; unsigned int invert = mc->invert; int err; - bool type_2r = 0; + bool type_2r = false; unsigned int val2 = 0; unsigned int val, val_mask; - val = (ucontrol->value.integer.value[0] & mask); + if (sign_bit) + mask = BIT(sign_bit + 1) - 1; + + val = ((ucontrol->value.integer.value[0] + min) & mask); if (invert) val = max - val; val_mask = mask << shift; val = val << shift; if (snd_soc_volsw_is_stereo(mc)) { - val2 = (ucontrol->value.integer.value[1] & mask); + val2 = ((ucontrol->value.integer.value[1] + min) & mask); if (invert) val2 = max - val2; if (reg == reg2) { @@ -2423,21 +2756,113 @@ int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, val |= val2 << rshift; } else { val2 = val2 << shift; - type_2r = 1; + type_2r = true; } } - err = snd_soc_update_bits_locked(codec, reg, val_mask, val); + err = snd_soc_component_update_bits(component, reg, val_mask, val); if (err < 0) return err; if (type_2r) - err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2); + err = snd_soc_component_update_bits(component, reg2, val_mask, + val2); return err; } EXPORT_SYMBOL_GPL(snd_soc_put_volsw); /** + * snd_soc_get_volsw_sx - single mixer get callback + * @kcontrol: mixer control + * @ucontrol: control element information + * + * Callback to get the value of a single mixer control, or a double mixer + * control that spans 2 registers. + * + * Returns 0 for success. + */ +int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + unsigned int reg = mc->reg; + unsigned int reg2 = mc->rreg; + unsigned int shift = mc->shift; + unsigned int rshift = mc->rshift; + int max = mc->max; + int min = mc->min; + int mask = (1 << (fls(min + max) - 1)) - 1; + unsigned int val; + int ret; + + ret = snd_soc_component_read(component, reg, &val); + if (ret < 0) + return ret; + + ucontrol->value.integer.value[0] = ((val >> shift) - min) & mask; + + if (snd_soc_volsw_is_stereo(mc)) { + ret = snd_soc_component_read(component, reg2, &val); + if (ret < 0) + return ret; + + val = ((val >> rshift) - min) & mask; + ucontrol->value.integer.value[1] = val; + } + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx); + +/** + * snd_soc_put_volsw_sx - double mixer set callback + * @kcontrol: mixer control + * @uinfo: control element information + * + * Callback to set the value of a double mixer control that spans 2 registers. + * + * Returns 0 for success. + */ +int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + + unsigned int reg = mc->reg; + unsigned int reg2 = mc->rreg; + unsigned int shift = mc->shift; + unsigned int rshift = mc->rshift; + int max = mc->max; + int min = mc->min; + int mask = (1 << (fls(min + max) - 1)) - 1; + int err = 0; + unsigned int val, val_mask, val2 = 0; + + val_mask = mask << shift; + val = (ucontrol->value.integer.value[0] + min) & mask; + val = val << shift; + + err = snd_soc_component_update_bits(component, reg, val_mask, val); + if (err < 0) + return err; + + if (snd_soc_volsw_is_stereo(mc)) { + val_mask = mask << rshift; + val2 = (ucontrol->value.integer.value[1] + min) & mask; + val2 = val2 << rshift; + + err = snd_soc_component_update_bits(component, reg2, val_mask, + val2); + } + return err; +} +EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx); + +/** * snd_soc_info_volsw_s8 - signed mixer info callback * @kcontrol: mixer control * @uinfo: control element information @@ -2480,10 +2905,15 @@ int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, { struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); unsigned int reg = mc->reg; + unsigned int val; int min = mc->min; - int val = snd_soc_read(codec, reg); + int ret; + + ret = snd_soc_component_read(component, reg, &val); + if (ret) + return ret; ucontrol->value.integer.value[0] = ((signed char)(val & 0xff))-min; @@ -2507,7 +2937,7 @@ int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, { struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); unsigned int reg = mc->reg; int min = mc->min; unsigned int val; @@ -2515,11 +2945,145 @@ int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, val = (ucontrol->value.integer.value[0]+min) & 0xff; val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8; - return snd_soc_update_bits_locked(codec, reg, 0xffff, val); + return snd_soc_component_update_bits(component, reg, 0xffff, val); } EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); /** + * snd_soc_info_volsw_range - single mixer info callback with range. + * @kcontrol: mixer control + * @uinfo: control element information + * + * Callback to provide information, within a range, about a single + * mixer control. + * + * returns 0 for success. + */ +int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + int platform_max; + int min = mc->min; + + if (!mc->platform_max) + mc->platform_max = mc->max; + platform_max = mc->platform_max; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = platform_max - min; + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range); + +/** + * snd_soc_put_volsw_range - single mixer put value callback with range. + * @kcontrol: mixer control + * @ucontrol: control element information + * + * Callback to set the value, within a range, for a single mixer control. + * + * Returns 0 for success. + */ +int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + unsigned int reg = mc->reg; + unsigned int rreg = mc->rreg; + unsigned int shift = mc->shift; + int min = mc->min; + int max = mc->max; + unsigned int mask = (1 << fls(max)) - 1; + unsigned int invert = mc->invert; + unsigned int val, val_mask; + int ret; + + val = ((ucontrol->value.integer.value[0] + min) & mask); + if (invert) + val = max - val; + val_mask = mask << shift; + val = val << shift; + + ret = snd_soc_component_update_bits(component, reg, val_mask, val); + if (ret < 0) + return ret; + + if (snd_soc_volsw_is_stereo(mc)) { + val = ((ucontrol->value.integer.value[1] + min) & mask); + if (invert) + val = max - val; + val_mask = mask << shift; + val = val << shift; + + ret = snd_soc_component_update_bits(component, rreg, val_mask, + val); + } + + return ret; +} +EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range); + +/** + * snd_soc_get_volsw_range - single mixer get callback with range + * @kcontrol: mixer control + * @ucontrol: control element information + * + * Callback to get the value, within a range, of a single mixer control. + * + * Returns 0 for success. + */ +int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + unsigned int reg = mc->reg; + unsigned int rreg = mc->rreg; + unsigned int shift = mc->shift; + int min = mc->min; + int max = mc->max; + unsigned int mask = (1 << fls(max)) - 1; + unsigned int invert = mc->invert; + unsigned int val; + int ret; + + ret = snd_soc_component_read(component, reg, &val); + if (ret) + return ret; + + ucontrol->value.integer.value[0] = (val >> shift) & mask; + if (invert) + ucontrol->value.integer.value[0] = + max - ucontrol->value.integer.value[0]; + ucontrol->value.integer.value[0] = + ucontrol->value.integer.value[0] - min; + + if (snd_soc_volsw_is_stereo(mc)) { + ret = snd_soc_component_read(component, rreg, &val); + if (ret) + return ret; + + ucontrol->value.integer.value[1] = (val >> shift) & mask; + if (invert) + ucontrol->value.integer.value[1] = + max - ucontrol->value.integer.value[1]; + ucontrol->value.integer.value[1] = + ucontrol->value.integer.value[1] - min; + } + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range); + +/** * snd_soc_limit_volume - Set new limit to an existing volume control. * * @codec: where to look for the control @@ -2558,98 +3122,339 @@ int snd_soc_limit_volume(struct snd_soc_codec *codec, } EXPORT_SYMBOL_GPL(snd_soc_limit_volume); +int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct soc_bytes *params = (void *)kcontrol->private_value; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; + uinfo->count = params->num_regs * component->val_bytes; + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_bytes_info); + +int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct soc_bytes *params = (void *)kcontrol->private_value; + int ret; + + if (component->regmap) + ret = regmap_raw_read(component->regmap, params->base, + ucontrol->value.bytes.data, + params->num_regs * component->val_bytes); + else + ret = -EINVAL; + + /* Hide any masked bytes to ensure consistent data reporting */ + if (ret == 0 && params->mask) { + switch (component->val_bytes) { + case 1: + ucontrol->value.bytes.data[0] &= ~params->mask; + break; + case 2: + ((u16 *)(&ucontrol->value.bytes.data))[0] + &= cpu_to_be16(~params->mask); + break; + case 4: + ((u32 *)(&ucontrol->value.bytes.data))[0] + &= cpu_to_be32(~params->mask); + break; + default: + return -EINVAL; + } + } + + return ret; +} +EXPORT_SYMBOL_GPL(snd_soc_bytes_get); + +int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct soc_bytes *params = (void *)kcontrol->private_value; + int ret, len; + unsigned int val, mask; + void *data; + + if (!component->regmap) + return -EINVAL; + + len = params->num_regs * component->val_bytes; + + data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA); + if (!data) + return -ENOMEM; + + /* + * If we've got a mask then we need to preserve the register + * bits. We shouldn't modify the incoming data so take a + * copy. + */ + if (params->mask) { + ret = regmap_read(component->regmap, params->base, &val); + if (ret != 0) + goto out; + + val &= params->mask; + + switch (component->val_bytes) { + case 1: + ((u8 *)data)[0] &= ~params->mask; + ((u8 *)data)[0] |= val; + break; + case 2: + mask = ~params->mask; + ret = regmap_parse_val(component->regmap, + &mask, &mask); + if (ret != 0) + goto out; + + ((u16 *)data)[0] &= mask; + + ret = regmap_parse_val(component->regmap, + &val, &val); + if (ret != 0) + goto out; + + ((u16 *)data)[0] |= val; + break; + case 4: + mask = ~params->mask; + ret = regmap_parse_val(component->regmap, + &mask, &mask); + if (ret != 0) + goto out; + + ((u32 *)data)[0] &= mask; + + ret = regmap_parse_val(component->regmap, + &val, &val); + if (ret != 0) + goto out; + + ((u32 *)data)[0] |= val; + break; + default: + ret = -EINVAL; + goto out; + } + } + + ret = regmap_raw_write(component->regmap, params->base, + data, len); + +out: + kfree(data); + + return ret; +} +EXPORT_SYMBOL_GPL(snd_soc_bytes_put); + +int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *ucontrol) +{ + struct soc_bytes_ext *params = (void *)kcontrol->private_value; + + ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES; + ucontrol->count = params->max; + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_bytes_info_ext); + /** - * snd_soc_info_volsw_2r_sx - double with tlv and variable data size - * mixer info callback - * @kcontrol: mixer control + * snd_soc_info_xr_sx - signed multi register info callback + * @kcontrol: mreg control * @uinfo: control element information * + * Callback to provide information of a control that can + * span multiple codec registers which together + * forms a single signed value in a MSB/LSB manner. + * * Returns 0 for success. */ -int snd_soc_info_volsw_2r_sx(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) +int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) { - struct soc_mixer_control *mc = - (struct soc_mixer_control *)kcontrol->private_value; - int max = mc->max; - int min = mc->min; - + struct soc_mreg_control *mc = + (struct soc_mreg_control *)kcontrol->private_value; uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = 2; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = max-min; + uinfo->count = 1; + uinfo->value.integer.min = mc->min; + uinfo->value.integer.max = mc->max; return 0; } -EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r_sx); +EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx); /** - * snd_soc_get_volsw_2r_sx - double with tlv and variable data size - * mixer get callback - * @kcontrol: mixer control - * @uinfo: control element information + * snd_soc_get_xr_sx - signed multi register get callback + * @kcontrol: mreg control + * @ucontrol: control element information + * + * Callback to get the value of a control that can span + * multiple codec registers which together forms a single + * signed value in a MSB/LSB manner. The control supports + * specifying total no of bits used to allow for bitfields + * across the multiple codec registers. * * Returns 0 for success. */ -int snd_soc_get_volsw_2r_sx(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) +int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { - struct soc_mixer_control *mc = - (struct soc_mixer_control *)kcontrol->private_value; - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - unsigned int mask = (1<<mc->shift)-1; - int min = mc->min; - int val = snd_soc_read(codec, mc->reg) & mask; - int valr = snd_soc_read(codec, mc->rreg) & mask; + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct soc_mreg_control *mc = + (struct soc_mreg_control *)kcontrol->private_value; + unsigned int regbase = mc->regbase; + unsigned int regcount = mc->regcount; + unsigned int regwshift = component->val_bytes * BITS_PER_BYTE; + unsigned int regwmask = (1<<regwshift)-1; + unsigned int invert = mc->invert; + unsigned long mask = (1UL<<mc->nbits)-1; + long min = mc->min; + long max = mc->max; + long val = 0; + unsigned int regval; + unsigned int i; + int ret; + + for (i = 0; i < regcount; i++) { + ret = snd_soc_component_read(component, regbase+i, ®val); + if (ret) + return ret; + val |= (regval & regwmask) << (regwshift*(regcount-i-1)); + } + val &= mask; + if (min < 0 && val > max) + val |= ~mask; + if (invert) + val = max - val; + ucontrol->value.integer.value[0] = val; - ucontrol->value.integer.value[0] = ((val & 0xff)-min) & mask; - ucontrol->value.integer.value[1] = ((valr & 0xff)-min) & mask; return 0; } -EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r_sx); +EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx); /** - * snd_soc_put_volsw_2r_sx - double with tlv and variable data size - * mixer put callback + * snd_soc_put_xr_sx - signed multi register get callback + * @kcontrol: mreg control + * @ucontrol: control element information + * + * Callback to set the value of a control that can span + * multiple codec registers which together forms a single + * signed value in a MSB/LSB manner. The control supports + * specifying total no of bits used to allow for bitfields + * across the multiple codec registers. + * + * Returns 0 for success. + */ +int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct soc_mreg_control *mc = + (struct soc_mreg_control *)kcontrol->private_value; + unsigned int regbase = mc->regbase; + unsigned int regcount = mc->regcount; + unsigned int regwshift = component->val_bytes * BITS_PER_BYTE; + unsigned int regwmask = (1<<regwshift)-1; + unsigned int invert = mc->invert; + unsigned long mask = (1UL<<mc->nbits)-1; + long max = mc->max; + long val = ucontrol->value.integer.value[0]; + unsigned int i, regval, regmask; + int err; + + if (invert) + val = max - val; + val &= mask; + for (i = 0; i < regcount; i++) { + regval = (val >> (regwshift*(regcount-i-1))) & regwmask; + regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask; + err = snd_soc_component_update_bits(component, regbase+i, + regmask, regval); + if (err < 0) + return err; + } + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx); + +/** + * snd_soc_get_strobe - strobe get callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information + * + * Callback get the value of a strobe mixer control. * * Returns 0 for success. */ -int snd_soc_put_volsw_2r_sx(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) +int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - unsigned int mask = (1<<mc->shift)-1; - int min = mc->min; + unsigned int reg = mc->reg; + unsigned int shift = mc->shift; + unsigned int mask = 1 << shift; + unsigned int invert = mc->invert != 0; + unsigned int val; int ret; - unsigned int val, valr, oval, ovalr; - val = ((ucontrol->value.integer.value[0]+min) & 0xff); - val &= mask; - valr = ((ucontrol->value.integer.value[1]+min) & 0xff); - valr &= mask; + ret = snd_soc_component_read(component, reg, &val); + if (ret) + return ret; - oval = snd_soc_read(codec, mc->reg) & mask; - ovalr = snd_soc_read(codec, mc->rreg) & mask; + val &= mask; - ret = 0; - if (oval != val) { - ret = snd_soc_write(codec, mc->reg, val); - if (ret < 0) - return ret; - } - if (ovalr != valr) { - ret = snd_soc_write(codec, mc->rreg, valr); - if (ret < 0) - return ret; - } + if (shift != 0 && val != 0) + val = val >> shift; + ucontrol->value.enumerated.item[0] = val ^ invert; return 0; } -EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r_sx); +EXPORT_SYMBOL_GPL(snd_soc_get_strobe); + +/** + * snd_soc_put_strobe - strobe put callback + * @kcontrol: mixer control + * @ucontrol: control element information + * + * Callback strobe a register bit to high then low (or the inverse) + * in one pass of a single mixer enum control. + * + * Returns 1 for success. + */ +int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + unsigned int reg = mc->reg; + unsigned int shift = mc->shift; + unsigned int mask = 1 << shift; + unsigned int invert = mc->invert != 0; + unsigned int strobe = ucontrol->value.enumerated.item[0] != 0; + unsigned int val1 = (strobe ^ invert) ? mask : 0; + unsigned int val2 = (strobe ^ invert) ? 0 : mask; + int err; + + err = snd_soc_component_update_bits(component, reg, mask, val1); + if (err < 0) + return err; + + return snd_soc_component_update_bits(component, reg, mask, val2); +} +EXPORT_SYMBOL_GPL(snd_soc_put_strobe); /** * snd_soc_dai_set_sysclk - configure DAI system or master clock. @@ -2669,7 +3474,7 @@ int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0, freq, dir); else - return -EINVAL; + return -ENOTSUPP; } EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); @@ -2690,7 +3495,7 @@ int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, return codec->driver->set_sysclk(codec, clk_id, source, freq, dir); else - return -EINVAL; + return -ENOTSUPP; } EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); @@ -2760,6 +3565,22 @@ int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); /** + * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio. + * @dai: DAI + * @ratio Ratio of BCLK to Sample rate. + * + * Configures the DAI for a preset BCLK to sample rate ratio. + */ +int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) +{ + if (dai->driver && dai->driver->ops->set_bclk_ratio) + return dai->driver->ops->set_bclk_ratio(dai, ratio); + else + return -EINVAL; +} +EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio); + +/** * snd_soc_dai_set_fmt - configure DAI hardware audio format. * @dai: DAI * @fmt: SND_SOC_DAIFMT_ format value. @@ -2768,14 +3589,39 @@ EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); */ int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { - if (dai->driver && dai->driver->ops->set_fmt) - return dai->driver->ops->set_fmt(dai, fmt); - else + if (dai->driver == NULL) return -EINVAL; + if (dai->driver->ops->set_fmt == NULL) + return -ENOTSUPP; + return dai->driver->ops->set_fmt(dai, fmt); } EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); /** + * snd_soc_xlate_tdm_slot - generate tx/rx slot mask. + * @slots: Number of slots in use. + * @tx_mask: bitmask representing active TX slots. + * @rx_mask: bitmask representing active RX slots. + * + * Generates the TDM tx and rx slot default masks for DAI. + */ +static int snd_soc_xlate_tdm_slot_mask(unsigned int slots, + unsigned int *tx_mask, + unsigned int *rx_mask) +{ + if (*tx_mask || *rx_mask) + return 0; + + if (!slots) + return -EINVAL; + + *tx_mask = (1 << slots) - 1; + *rx_mask = (1 << slots) - 1; + + return 0; +} + +/** * snd_soc_dai_set_tdm_slot - configure DAI TDM. * @dai: DAI * @tx_mask: bitmask representing active TX slots. @@ -2789,11 +3635,17 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { + if (dai->driver && dai->driver->ops->xlate_tdm_slot_mask) + dai->driver->ops->xlate_tdm_slot_mask(slots, + &tx_mask, &rx_mask); + else + snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask); + if (dai->driver && dai->driver->ops->set_tdm_slot) return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, slots, slot_width); else - return -EINVAL; + return -ENOTSUPP; } EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); @@ -2841,15 +3693,23 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); * snd_soc_dai_digital_mute - configure DAI system or master clock. * @dai: DAI * @mute: mute enable + * @direction: stream to mute * * Mutes the DAI DAC. */ -int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute) +int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, + int direction) { - if (dai->driver && dai->driver->ops->digital_mute) + if (!dai->driver) + return -ENOTSUPP; + + if (dai->driver->ops->mute_stream) + return dai->driver->ops->mute_stream(dai, mute, direction); + else if (direction == SNDRV_PCM_STREAM_PLAYBACK && + dai->driver->ops->digital_mute) return dai->driver->ops->digital_mute(dai, mute); else - return -EINVAL; + return -ENOTSUPP; } EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); @@ -2861,7 +3721,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); */ int snd_soc_register_card(struct snd_soc_card *card) { - int i; + int i, ret; if (!card->name || !card->dev) return -EINVAL; @@ -2875,7 +3735,15 @@ int snd_soc_register_card(struct snd_soc_card *card) */ if (!!link->codec_name == !!link->codec_of_node) { dev_err(card->dev, - "Neither/both codec name/of_node are set\n"); + "ASoC: Neither/both codec name/of_node are set for %s\n", + link->name); + return -EINVAL; + } + /* Codec DAI name must be specified */ + if (!link->codec_dai_name) { + dev_err(card->dev, + "ASoC: codec_dai_name not set for %s\n", + link->name); return -EINVAL; } @@ -2885,17 +3753,31 @@ int snd_soc_register_card(struct snd_soc_card *card) */ if (link->platform_name && link->platform_of_node) { dev_err(card->dev, - "Both platform name/of_node are set\n"); + "ASoC: Both platform name/of_node are set for %s\n", + link->name); return -EINVAL; } /* - * CPU DAI must be specified by 1 of name or OF node, - * not both or neither. + * CPU device may be specified by either name or OF node, but + * can be left unspecified, and will be matched based on DAI + * name alone.. + */ + if (link->cpu_name && link->cpu_of_node) { + dev_err(card->dev, + "ASoC: Neither/both cpu name/of_node are set for %s\n", + link->name); + return -EINVAL; + } + /* + * At least one of CPU DAI name or CPU device name/node must be + * specified */ - if (!!link->cpu_dai_name == !!link->cpu_dai_of_node) { + if (!link->cpu_dai_name && + !(link->cpu_name || link->cpu_of_node)) { dev_err(card->dev, - "Neither/both cpu_dai name/of_node are set\n"); + "ASoC: Neither cpu_dai_name nor cpu_name/of_node are set for %s\n", + link->name); return -EINVAL; } } @@ -2906,29 +3788,38 @@ int snd_soc_register_card(struct snd_soc_card *card) soc_init_card_debugfs(card); - card->rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime) * - (card->num_links + card->num_aux_devs), - GFP_KERNEL); + card->rtd = devm_kzalloc(card->dev, + sizeof(struct snd_soc_pcm_runtime) * + (card->num_links + card->num_aux_devs), + GFP_KERNEL); if (card->rtd == NULL) return -ENOMEM; + card->num_rtd = 0; card->rtd_aux = &card->rtd[card->num_links]; for (i = 0; i < card->num_links; i++) card->rtd[i].dai_link = &card->dai_link[i]; - INIT_LIST_HEAD(&card->list); INIT_LIST_HEAD(&card->dapm_dirty); card->instantiated = 0; mutex_init(&card->mutex); + mutex_init(&card->dapm_mutex); - mutex_lock(&client_mutex); - list_add(&card->list, &card_list); - snd_soc_instantiate_cards(); - mutex_unlock(&client_mutex); + ret = snd_soc_instantiate_card(card); + if (ret != 0) + soc_cleanup_card_debugfs(card); - dev_dbg(card->dev, "Registered card '%s'\n", card->name); + /* deactivate pins to sleep state */ + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; + struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai; + if (!codec_dai->active) + pinctrl_pm_select_sleep_state(codec_dai->dev); + if (!cpu_dai->active) + pinctrl_pm_select_sleep_state(cpu_dai->dev); + } - return 0; + return ret; } EXPORT_SYMBOL_GPL(snd_soc_register_card); @@ -2942,10 +3833,7 @@ int snd_soc_unregister_card(struct snd_soc_card *card) { if (card->instantiated) soc_cleanup_card_resources(card); - mutex_lock(&client_mutex); - list_del(&card->list); - mutex_unlock(&client_mutex); - dev_dbg(card->dev, "Unregistered card '%s'\n", card->name); + dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name); return 0; } @@ -3002,8 +3890,9 @@ static inline char *fmt_multiple_name(struct device *dev, struct snd_soc_dai_driver *dai_drv) { if (dai_drv->name == NULL) { - printk(KERN_ERR "asoc: error - multiple DAI %s registered with no name\n", - dev_name(dev)); + dev_err(dev, + "ASoC: error - multiple DAI %s registered with no name\n", + dev_name(dev)); return NULL; } @@ -3011,83 +3900,44 @@ static inline char *fmt_multiple_name(struct device *dev, } /** - * snd_soc_register_dai - Register a DAI with the ASoC core + * snd_soc_unregister_dai - Unregister DAIs from the ASoC core * - * @dai: DAI to register + * @component: The component for which the DAIs should be unregistered */ -int snd_soc_register_dai(struct device *dev, - struct snd_soc_dai_driver *dai_drv) +static void snd_soc_unregister_dais(struct snd_soc_component *component) { - struct snd_soc_dai *dai; - - dev_dbg(dev, "dai register %s\n", dev_name(dev)); - - dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); - if (dai == NULL) - return -ENOMEM; + struct snd_soc_dai *dai, *_dai; - /* create DAI component name */ - dai->name = fmt_single_name(dev, &dai->id); - if (dai->name == NULL) { + list_for_each_entry_safe(dai, _dai, &component->dai_list, list) { + dev_dbg(component->dev, "ASoC: Unregistered DAI '%s'\n", + dai->name); + list_del(&dai->list); + kfree(dai->name); kfree(dai); - return -ENOMEM; - } - - dai->dev = dev; - dai->driver = dai_drv; - if (!dai->driver->ops) - dai->driver->ops = &null_dai_ops; - - mutex_lock(&client_mutex); - list_add(&dai->list, &dai_list); - snd_soc_instantiate_cards(); - mutex_unlock(&client_mutex); - - pr_debug("Registered DAI '%s'\n", dai->name); - - return 0; -} -EXPORT_SYMBOL_GPL(snd_soc_register_dai); - -/** - * snd_soc_unregister_dai - Unregister a DAI from the ASoC core - * - * @dai: DAI to unregister - */ -void snd_soc_unregister_dai(struct device *dev) -{ - struct snd_soc_dai *dai; - - list_for_each_entry(dai, &dai_list, list) { - if (dev == dai->dev) - goto found; } - return; - -found: - mutex_lock(&client_mutex); - list_del(&dai->list); - mutex_unlock(&client_mutex); - - pr_debug("Unregistered DAI '%s'\n", dai->name); - kfree(dai->name); - kfree(dai); } -EXPORT_SYMBOL_GPL(snd_soc_unregister_dai); /** - * snd_soc_register_dais - Register multiple DAIs with the ASoC core + * snd_soc_register_dais - Register a DAI with the ASoC core * - * @dai: Array of DAIs to register + * @component: The component the DAIs are registered for + * @codec: The CODEC that the DAIs are registered for, NULL if the component is + * not a CODEC. + * @dai_drv: DAI driver to use for the DAIs * @count: Number of DAIs + * @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the + * parent's name. */ -int snd_soc_register_dais(struct device *dev, - struct snd_soc_dai_driver *dai_drv, size_t count) +static int snd_soc_register_dais(struct snd_soc_component *component, + struct snd_soc_codec *codec, struct snd_soc_dai_driver *dai_drv, + size_t count, bool legacy_dai_naming) { + struct device *dev = component->dev; struct snd_soc_dai *dai; - int i, ret = 0; + unsigned int i; + int ret; - dev_dbg(dev, "dai register %s #%Zu\n", dev_name(dev), count); + dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); for (i = 0; i < count; i++) { @@ -3097,120 +3947,296 @@ int snd_soc_register_dais(struct device *dev, goto err; } - /* create DAI component name */ - dai->name = fmt_multiple_name(dev, &dai_drv[i]); + /* + * Back in the old days when we still had component-less DAIs, + * instead of having a static name, component-less DAIs would + * inherit the name of the parent device so it is possible to + * register multiple instances of the DAI. We still need to keep + * the same naming style even though those DAIs are not + * component-less anymore. + */ + if (count == 1 && legacy_dai_naming) { + dai->name = fmt_single_name(dev, &dai->id); + } else { + dai->name = fmt_multiple_name(dev, &dai_drv[i]); + if (dai_drv[i].id) + dai->id = dai_drv[i].id; + else + dai->id = i; + } if (dai->name == NULL) { kfree(dai); - ret = -EINVAL; + ret = -ENOMEM; goto err; } + dai->component = component; + dai->codec = codec; dai->dev = dev; dai->driver = &dai_drv[i]; - if (dai->driver->id) - dai->id = dai->driver->id; - else - dai->id = i; + dai->dapm.dev = dev; if (!dai->driver->ops) dai->driver->ops = &null_dai_ops; - mutex_lock(&client_mutex); - list_add(&dai->list, &dai_list); - mutex_unlock(&client_mutex); + if (!dai->codec) + dai->dapm.idle_bias_off = 1; - pr_debug("Registered DAI '%s'\n", dai->name); + list_add(&dai->list, &component->dai_list); + + dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); } - mutex_lock(&client_mutex); - snd_soc_instantiate_cards(); - mutex_unlock(&client_mutex); return 0; err: - for (i--; i >= 0; i--) - snd_soc_unregister_dai(dev); + snd_soc_unregister_dais(component); return ret; } -EXPORT_SYMBOL_GPL(snd_soc_register_dais); /** - * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core + * snd_soc_register_component - Register a component with the ASoC core * - * @dai: Array of DAIs to unregister - * @count: Number of DAIs */ -void snd_soc_unregister_dais(struct device *dev, size_t count) +static int +__snd_soc_register_component(struct device *dev, + struct snd_soc_component *cmpnt, + const struct snd_soc_component_driver *cmpnt_drv, + struct snd_soc_codec *codec, + struct snd_soc_dai_driver *dai_drv, + int num_dai, bool allow_single_dai) { - int i; + int ret; + + dev_dbg(dev, "component register %s\n", dev_name(dev)); + + if (!cmpnt) { + dev_err(dev, "ASoC: Failed to connecting component\n"); + return -ENOMEM; + } + + mutex_init(&cmpnt->io_mutex); + + cmpnt->name = fmt_single_name(dev, &cmpnt->id); + if (!cmpnt->name) { + dev_err(dev, "ASoC: Failed to simplifying name\n"); + return -ENOMEM; + } - for (i = 0; i < count; i++) - snd_soc_unregister_dai(dev); + cmpnt->dev = dev; + cmpnt->driver = cmpnt_drv; + cmpnt->dai_drv = dai_drv; + cmpnt->num_dai = num_dai; + INIT_LIST_HEAD(&cmpnt->dai_list); + + ret = snd_soc_register_dais(cmpnt, codec, dai_drv, num_dai, + allow_single_dai); + if (ret < 0) { + dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); + goto error_component_name; + } + + mutex_lock(&client_mutex); + list_add(&cmpnt->list, &component_list); + mutex_unlock(&client_mutex); + + dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name); + + return ret; + +error_component_name: + kfree(cmpnt->name); + + return ret; +} + +int snd_soc_register_component(struct device *dev, + const struct snd_soc_component_driver *cmpnt_drv, + struct snd_soc_dai_driver *dai_drv, + int num_dai) +{ + struct snd_soc_component *cmpnt; + + cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL); + if (!cmpnt) { + dev_err(dev, "ASoC: Failed to allocate memory\n"); + return -ENOMEM; + } + + cmpnt->ignore_pmdown_time = true; + cmpnt->registered_as_component = true; + + return __snd_soc_register_component(dev, cmpnt, cmpnt_drv, NULL, + dai_drv, num_dai, true); +} +EXPORT_SYMBOL_GPL(snd_soc_register_component); + +static void __snd_soc_unregister_component(struct snd_soc_component *cmpnt) +{ + snd_soc_unregister_dais(cmpnt); + + mutex_lock(&client_mutex); + list_del(&cmpnt->list); + mutex_unlock(&client_mutex); + + dev_dbg(cmpnt->dev, "ASoC: Unregistered component '%s'\n", cmpnt->name); + kfree(cmpnt->name); } -EXPORT_SYMBOL_GPL(snd_soc_unregister_dais); /** - * snd_soc_register_platform - Register a platform with the ASoC core + * snd_soc_unregister_component - Unregister a component from the ASoC core * - * @platform: platform to register */ -int snd_soc_register_platform(struct device *dev, - struct snd_soc_platform_driver *platform_drv) +void snd_soc_unregister_component(struct device *dev) { - struct snd_soc_platform *platform; + struct snd_soc_component *cmpnt; - dev_dbg(dev, "platform register %s\n", dev_name(dev)); + list_for_each_entry(cmpnt, &component_list, list) { + if (dev == cmpnt->dev && cmpnt->registered_as_component) + goto found; + } + return; - platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); - if (platform == NULL) - return -ENOMEM; +found: + __snd_soc_unregister_component(cmpnt); +} +EXPORT_SYMBOL_GPL(snd_soc_unregister_component); + +static int snd_soc_platform_drv_write(struct snd_soc_component *component, + unsigned int reg, unsigned int val) +{ + struct snd_soc_platform *platform = snd_soc_component_to_platform(component); + + return platform->driver->write(platform, reg, val); +} + +static int snd_soc_platform_drv_read(struct snd_soc_component *component, + unsigned int reg, unsigned int *val) +{ + struct snd_soc_platform *platform = snd_soc_component_to_platform(component); + + *val = platform->driver->read(platform, reg); + + return 0; +} + +/** + * snd_soc_add_platform - Add a platform to the ASoC core + * @dev: The parent device for the platform + * @platform: The platform to add + * @platform_driver: The driver for the platform + */ +int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, + const struct snd_soc_platform_driver *platform_drv) +{ + int ret; /* create platform component name */ platform->name = fmt_single_name(dev, &platform->id); - if (platform->name == NULL) { - kfree(platform); + if (platform->name == NULL) return -ENOMEM; - } platform->dev = dev; platform->driver = platform_drv; platform->dapm.dev = dev; platform->dapm.platform = platform; + platform->dapm.component = &platform->component; platform->dapm.stream_event = platform_drv->stream_event; + if (platform_drv->write) + platform->component.write = snd_soc_platform_drv_write; + if (platform_drv->read) + platform->component.read = snd_soc_platform_drv_read; + + /* register component */ + ret = __snd_soc_register_component(dev, &platform->component, + &platform_drv->component_driver, + NULL, NULL, 0, false); + if (ret < 0) { + dev_err(platform->component.dev, + "ASoC: Failed to register component: %d\n", ret); + return ret; + } mutex_lock(&client_mutex); list_add(&platform->list, &platform_list); - snd_soc_instantiate_cards(); mutex_unlock(&client_mutex); - pr_debug("Registered platform '%s'\n", platform->name); + dev_dbg(dev, "ASoC: Registered platform '%s'\n", platform->name); return 0; } -EXPORT_SYMBOL_GPL(snd_soc_register_platform); +EXPORT_SYMBOL_GPL(snd_soc_add_platform); /** - * snd_soc_unregister_platform - Unregister a platform from the ASoC core + * snd_soc_register_platform - Register a platform with the ASoC core * - * @platform: platform to unregister + * @platform: platform to register */ -void snd_soc_unregister_platform(struct device *dev) +int snd_soc_register_platform(struct device *dev, + const struct snd_soc_platform_driver *platform_drv) { struct snd_soc_platform *platform; + int ret; - list_for_each_entry(platform, &platform_list, list) { - if (dev == platform->dev) - goto found; - } - return; + dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev)); + + platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); + if (platform == NULL) + return -ENOMEM; + + ret = snd_soc_add_platform(dev, platform, platform_drv); + if (ret) + kfree(platform); + + return ret; +} +EXPORT_SYMBOL_GPL(snd_soc_register_platform); + +/** + * snd_soc_remove_platform - Remove a platform from the ASoC core + * @platform: the platform to remove + */ +void snd_soc_remove_platform(struct snd_soc_platform *platform) +{ + __snd_soc_unregister_component(&platform->component); -found: mutex_lock(&client_mutex); list_del(&platform->list); mutex_unlock(&client_mutex); - pr_debug("Unregistered platform '%s'\n", platform->name); + dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n", + platform->name); kfree(platform->name); +} +EXPORT_SYMBOL_GPL(snd_soc_remove_platform); + +struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev) +{ + struct snd_soc_platform *platform; + + list_for_each_entry(platform, &platform_list, list) { + if (dev == platform->dev) + return platform; + } + + return NULL; +} +EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); + +/** + * snd_soc_unregister_platform - Unregister a platform from the ASoC core + * + * @platform: platform to unregister + */ +void snd_soc_unregister_platform(struct device *dev) +{ + struct snd_soc_platform *platform; + + platform = snd_soc_lookup_platform(dev); + if (!platform) + return; + + snd_soc_remove_platform(platform); kfree(platform); } EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); @@ -3248,6 +4274,24 @@ static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) stream->formats |= codec_format_map[i]; } +static int snd_soc_codec_drv_write(struct snd_soc_component *component, + unsigned int reg, unsigned int val) +{ + struct snd_soc_codec *codec = snd_soc_component_to_codec(component); + + return codec->driver->write(codec, reg, val); +} + +static int snd_soc_codec_drv_read(struct snd_soc_component *component, + unsigned int reg, unsigned int *val) +{ + struct snd_soc_codec *codec = snd_soc_component_to_codec(component); + + *val = codec->driver->read(codec, reg); + + return 0; +} + /** * snd_soc_register_codec - Register a codec with the ASoC core * @@ -3258,8 +4302,8 @@ int snd_soc_register_codec(struct device *dev, struct snd_soc_dai_driver *dai_drv, int num_dai) { - size_t reg_size; struct snd_soc_codec *codec; + struct regmap *regmap; int ret, i; dev_dbg(dev, "codec register %s\n", dev_name(dev)); @@ -3271,83 +4315,72 @@ int snd_soc_register_codec(struct device *dev, /* create CODEC component name */ codec->name = fmt_single_name(dev, &codec->id); if (codec->name == NULL) { - kfree(codec); - return -ENOMEM; + ret = -ENOMEM; + goto fail_codec; } - if (codec_drv->compress_type) - codec->compress_type = codec_drv->compress_type; - else - codec->compress_type = SND_SOC_FLAT_COMPRESSION; - - codec->write = codec_drv->write; - codec->read = codec_drv->read; - codec->volatile_register = codec_drv->volatile_register; - codec->readable_register = codec_drv->readable_register; - codec->writable_register = codec_drv->writable_register; + if (codec_drv->write) + codec->component.write = snd_soc_codec_drv_write; + if (codec_drv->read) + codec->component.read = snd_soc_codec_drv_read; + codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time; codec->dapm.bias_level = SND_SOC_BIAS_OFF; codec->dapm.dev = dev; codec->dapm.codec = codec; + codec->dapm.component = &codec->component; codec->dapm.seq_notifier = codec_drv->seq_notifier; codec->dapm.stream_event = codec_drv->stream_event; codec->dev = dev; codec->driver = codec_drv; - codec->num_dai = num_dai; + codec->component.val_bytes = codec_drv->reg_word_size; mutex_init(&codec->mutex); - /* allocate CODEC register cache */ - if (codec_drv->reg_cache_size && codec_drv->reg_word_size) { - reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size; - codec->reg_size = reg_size; - /* it is necessary to make a copy of the default register cache - * because in the case of using a compression type that requires - * the default register cache to be marked as __devinitconst the - * kernel might have freed the array by the time we initialize - * the cache. - */ - if (codec_drv->reg_cache_default) { - codec->reg_def_copy = kmemdup(codec_drv->reg_cache_default, - reg_size, GFP_KERNEL); - if (!codec->reg_def_copy) { - ret = -ENOMEM; - goto fail; + if (!codec->component.write) { + if (codec_drv->get_regmap) + regmap = codec_drv->get_regmap(dev); + else + regmap = dev_get_regmap(dev, NULL); + + if (regmap) { + ret = snd_soc_component_init_io(&codec->component, + regmap); + if (ret) { + dev_err(codec->dev, + "Failed to set cache I/O:%d\n", + ret); + return ret; } } } - if (codec_drv->reg_access_size && codec_drv->reg_access_default) { - if (!codec->volatile_register) - codec->volatile_register = snd_soc_default_volatile_register; - if (!codec->readable_register) - codec->readable_register = snd_soc_default_readable_register; - if (!codec->writable_register) - codec->writable_register = snd_soc_default_writable_register; - } - for (i = 0; i < num_dai; i++) { fixup_codec_formats(&dai_drv[i].playback); fixup_codec_formats(&dai_drv[i].capture); } - /* register any DAIs */ - if (num_dai) { - ret = snd_soc_register_dais(dev, dai_drv, num_dai); - if (ret < 0) - goto fail; - } - mutex_lock(&client_mutex); list_add(&codec->list, &codec_list); - snd_soc_instantiate_cards(); mutex_unlock(&client_mutex); - pr_debug("Registered codec '%s'\n", codec->name); + /* register component */ + ret = __snd_soc_register_component(dev, &codec->component, + &codec_drv->component_driver, + codec, dai_drv, num_dai, false); + if (ret < 0) { + dev_err(codec->dev, "ASoC: Failed to regster component: %d\n", ret); + goto fail_codec_name; + } + + dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", codec->name); return 0; -fail: - kfree(codec->reg_def_copy); - codec->reg_def_copy = NULL; +fail_codec_name: + mutex_lock(&client_mutex); + list_del(&codec->list); + mutex_unlock(&client_mutex); + kfree(codec->name); +fail_codec: kfree(codec); return ret; } @@ -3361,7 +4394,6 @@ EXPORT_SYMBOL_GPL(snd_soc_register_codec); void snd_soc_unregister_codec(struct device *dev) { struct snd_soc_codec *codec; - int i; list_for_each_entry(codec, &codec_list, list) { if (dev == codec->dev) @@ -3370,18 +4402,15 @@ void snd_soc_unregister_codec(struct device *dev) return; found: - if (codec->num_dai) - for (i = 0; i < codec->num_dai; i++) - snd_soc_unregister_dai(dev); + __snd_soc_unregister_component(&codec->component); mutex_lock(&client_mutex); list_del(&codec->list); mutex_unlock(&client_mutex); - pr_debug("Unregistered codec '%s'\n", codec->name); + dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", codec->name); snd_soc_cache_exit(codec); - kfree(codec->reg_def_copy); kfree(codec->name); kfree(codec); } @@ -3402,7 +4431,7 @@ int snd_soc_of_parse_card_name(struct snd_soc_card *card, */ if (ret < 0 && ret != -EINVAL) { dev_err(card->dev, - "Property '%s' could not be read: %d\n", + "ASoC: Property '%s' could not be read: %d\n", propname, ret); return ret; } @@ -3411,6 +4440,122 @@ int snd_soc_of_parse_card_name(struct snd_soc_card *card, } EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name); +static const struct snd_soc_dapm_widget simple_widgets[] = { + SND_SOC_DAPM_MIC("Microphone", NULL), + SND_SOC_DAPM_LINE("Line", NULL), + SND_SOC_DAPM_HP("Headphone", NULL), + SND_SOC_DAPM_SPK("Speaker", NULL), +}; + +int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, + const char *propname) +{ + struct device_node *np = card->dev->of_node; + struct snd_soc_dapm_widget *widgets; + const char *template, *wname; + int i, j, num_widgets, ret; + + num_widgets = of_property_count_strings(np, propname); + if (num_widgets < 0) { + dev_err(card->dev, + "ASoC: Property '%s' does not exist\n", propname); + return -EINVAL; + } + if (num_widgets & 1) { + dev_err(card->dev, + "ASoC: Property '%s' length is not even\n", propname); + return -EINVAL; + } + + num_widgets /= 2; + if (!num_widgets) { + dev_err(card->dev, "ASoC: Property '%s's length is zero\n", + propname); + return -EINVAL; + } + + widgets = devm_kcalloc(card->dev, num_widgets, sizeof(*widgets), + GFP_KERNEL); + if (!widgets) { + dev_err(card->dev, + "ASoC: Could not allocate memory for widgets\n"); + return -ENOMEM; + } + + for (i = 0; i < num_widgets; i++) { + ret = of_property_read_string_index(np, propname, + 2 * i, &template); + if (ret) { + dev_err(card->dev, + "ASoC: Property '%s' index %d read error:%d\n", + propname, 2 * i, ret); + return -EINVAL; + } + + for (j = 0; j < ARRAY_SIZE(simple_widgets); j++) { + if (!strncmp(template, simple_widgets[j].name, + strlen(simple_widgets[j].name))) { + widgets[i] = simple_widgets[j]; + break; + } + } + + if (j >= ARRAY_SIZE(simple_widgets)) { + dev_err(card->dev, + "ASoC: DAPM widget '%s' is not supported\n", + template); + return -EINVAL; + } + + ret = of_property_read_string_index(np, propname, + (2 * i) + 1, + &wname); + if (ret) { + dev_err(card->dev, + "ASoC: Property '%s' index %d read error:%d\n", + propname, (2 * i) + 1, ret); + return -EINVAL; + } + + widgets[i].name = wname; + } + + card->dapm_widgets = widgets; + card->num_dapm_widgets = num_widgets; + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_simple_widgets); + +int snd_soc_of_parse_tdm_slot(struct device_node *np, + unsigned int *slots, + unsigned int *slot_width) +{ + u32 val; + int ret; + + if (of_property_read_bool(np, "dai-tdm-slot-num")) { + ret = of_property_read_u32(np, "dai-tdm-slot-num", &val); + if (ret) + return ret; + + if (slots) + *slots = val; + } + + if (of_property_read_bool(np, "dai-tdm-slot-width")) { + ret = of_property_read_u32(np, "dai-tdm-slot-width", &val); + if (ret) + return ret; + + if (slot_width) + *slot_width = val; + } + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot); + int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, const char *propname) { @@ -3420,16 +4565,15 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, int i, ret; num_routes = of_property_count_strings(np, propname); - if (num_routes & 1) { + if (num_routes < 0 || num_routes & 1) { dev_err(card->dev, - "Property '%s's length is not even\n", + "ASoC: Property '%s' does not exist or its length is not even\n", propname); return -EINVAL; } num_routes /= 2; if (!num_routes) { - dev_err(card->dev, - "Property '%s's length is zero\n", + dev_err(card->dev, "ASoC: Property '%s's length is zero\n", propname); return -EINVAL; } @@ -3438,7 +4582,7 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, GFP_KERNEL); if (!routes) { dev_err(card->dev, - "Could not allocate DAPM route table\n"); + "ASoC: Could not allocate DAPM route table\n"); return -EINVAL; } @@ -3447,7 +4591,7 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, 2 * i, &routes[i].sink); if (ret) { dev_err(card->dev, - "Property '%s' index %d could not be read: %d\n", + "ASoC: Property '%s' index %d could not be read: %d\n", propname, 2 * i, ret); return -EINVAL; } @@ -3455,7 +4599,7 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, (2 * i) + 1, &routes[i].source); if (ret) { dev_err(card->dev, - "Property '%s' index %d could not be read: %d\n", + "ASoC: Property '%s' index %d could not be read: %d\n", propname, (2 * i) + 1, ret); return -EINVAL; } @@ -3468,13 +4612,183 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, } EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); +unsigned int snd_soc_of_parse_daifmt(struct device_node *np, + const char *prefix, + struct device_node **bitclkmaster, + struct device_node **framemaster) +{ + int ret, i; + char prop[128]; + unsigned int format = 0; + int bit, frame; + const char *str; + struct { + char *name; + unsigned int val; + } of_fmt_table[] = { + { "i2s", SND_SOC_DAIFMT_I2S }, + { "right_j", SND_SOC_DAIFMT_RIGHT_J }, + { "left_j", SND_SOC_DAIFMT_LEFT_J }, + { "dsp_a", SND_SOC_DAIFMT_DSP_A }, + { "dsp_b", SND_SOC_DAIFMT_DSP_B }, + { "ac97", SND_SOC_DAIFMT_AC97 }, + { "pdm", SND_SOC_DAIFMT_PDM}, + { "msb", SND_SOC_DAIFMT_MSB }, + { "lsb", SND_SOC_DAIFMT_LSB }, + }; + + if (!prefix) + prefix = ""; + + /* + * check "[prefix]format = xxx" + * SND_SOC_DAIFMT_FORMAT_MASK area + */ + snprintf(prop, sizeof(prop), "%sformat", prefix); + ret = of_property_read_string(np, prop, &str); + if (ret == 0) { + for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) { + if (strcmp(str, of_fmt_table[i].name) == 0) { + format |= of_fmt_table[i].val; + break; + } + } + } + + /* + * check "[prefix]continuous-clock" + * SND_SOC_DAIFMT_CLOCK_MASK area + */ + snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix); + if (of_get_property(np, prop, NULL)) + format |= SND_SOC_DAIFMT_CONT; + else + format |= SND_SOC_DAIFMT_GATED; + + /* + * check "[prefix]bitclock-inversion" + * check "[prefix]frame-inversion" + * SND_SOC_DAIFMT_INV_MASK area + */ + snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix); + bit = !!of_get_property(np, prop, NULL); + + snprintf(prop, sizeof(prop), "%sframe-inversion", prefix); + frame = !!of_get_property(np, prop, NULL); + + switch ((bit << 4) + frame) { + case 0x11: + format |= SND_SOC_DAIFMT_IB_IF; + break; + case 0x10: + format |= SND_SOC_DAIFMT_IB_NF; + break; + case 0x01: + format |= SND_SOC_DAIFMT_NB_IF; + break; + default: + /* SND_SOC_DAIFMT_NB_NF is default */ + break; + } + + /* + * check "[prefix]bitclock-master" + * check "[prefix]frame-master" + * SND_SOC_DAIFMT_MASTER_MASK area + */ + snprintf(prop, sizeof(prop), "%sbitclock-master", prefix); + bit = !!of_get_property(np, prop, NULL); + if (bit && bitclkmaster) + *bitclkmaster = of_parse_phandle(np, prop, 0); + + snprintf(prop, sizeof(prop), "%sframe-master", prefix); + frame = !!of_get_property(np, prop, NULL); + if (frame && framemaster) + *framemaster = of_parse_phandle(np, prop, 0); + + switch ((bit << 4) + frame) { + case 0x11: + format |= SND_SOC_DAIFMT_CBM_CFM; + break; + case 0x10: + format |= SND_SOC_DAIFMT_CBM_CFS; + break; + case 0x01: + format |= SND_SOC_DAIFMT_CBS_CFM; + break; + default: + format |= SND_SOC_DAIFMT_CBS_CFS; + break; + } + + return format; +} +EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt); + +int snd_soc_of_get_dai_name(struct device_node *of_node, + const char **dai_name) +{ + struct snd_soc_component *pos; + struct of_phandle_args args; + int ret; + + ret = of_parse_phandle_with_args(of_node, "sound-dai", + "#sound-dai-cells", 0, &args); + if (ret) + return ret; + + ret = -EPROBE_DEFER; + + mutex_lock(&client_mutex); + list_for_each_entry(pos, &component_list, list) { + if (pos->dev->of_node != args.np) + continue; + + if (pos->driver->of_xlate_dai_name) { + ret = pos->driver->of_xlate_dai_name(pos, &args, dai_name); + } else { + int id = -1; + + switch (args.args_count) { + case 0: + id = 0; /* same as dai_drv[0] */ + break; + case 1: + id = args.args[0]; + break; + default: + /* not supported */ + break; + } + + if (id < 0 || id >= pos->num_dai) { + ret = -EINVAL; + continue; + } + + ret = 0; + + *dai_name = pos->dai_drv[id].name; + if (!*dai_name) + *dai_name = pos->name; + } + + break; + } + mutex_unlock(&client_mutex); + + of_node_put(args.np); + + return ret; +} +EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name); + static int __init snd_soc_init(void) { #ifdef CONFIG_DEBUG_FS snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { - printk(KERN_WARNING - "ASoC: Failed to create debugfs directory\n"); + pr_warn("ASoC: Failed to create debugfs directory\n"); snd_soc_debugfs_root = NULL; } |