diff options
Diffstat (limited to 'sound/soc/soc-core.c')
| -rw-r--r-- | sound/soc/soc-core.c | 1821 |
1 files changed, 1136 insertions, 685 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 4057d35343b..1c8f3f507f5 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -3,6 +3,8 @@ * * Copyright 2005 Wolfson Microelectronics PLC. * Copyright 2005 Openedhand Ltd. + * Copyright (C) 2010 Slimlogic Ltd. + * Copyright (C) 2010 Texas Instruments Inc. * * Author: Liam Girdwood <lrg@slimlogic.co.uk> * with code, comments and ideas from :- @@ -37,6 +39,8 @@ #include <sound/soc-dapm.h> #include <sound/initval.h> +#define NAME_SIZE 32 + static DEFINE_MUTEX(pcm_mutex); static DECLARE_WAIT_QUEUE_HEAD(soc_pm_waitq); @@ -52,6 +56,7 @@ static LIST_HEAD(codec_list); static int snd_soc_register_card(struct snd_soc_card *card); static int snd_soc_unregister_card(struct snd_soc_card *card); +static int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); /* * This is a timeout to do a DAPM powerdown after a stream is closed(). @@ -86,30 +91,30 @@ static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf) { int ret, i, step = 1, count = 0; - if (!codec->reg_cache_size) + if (!codec->driver->reg_cache_size) return 0; - if (codec->reg_cache_step) - step = codec->reg_cache_step; + if (codec->driver->reg_cache_step) + step = codec->driver->reg_cache_step; count += sprintf(buf, "%s registers\n", codec->name); - for (i = 0; i < codec->reg_cache_size; i += step) { - if (codec->readable_register && !codec->readable_register(i)) + for (i = 0; i < codec->driver->reg_cache_size; i += step) { + if (codec->driver->readable_register && !codec->driver->readable_register(i)) continue; count += sprintf(buf + count, "%2x: ", i); if (count >= PAGE_SIZE - 1) break; - if (codec->display_register) { - count += codec->display_register(codec, buf + count, + if (codec->driver->display_register) { + count += codec->driver->display_register(codec, buf + count, PAGE_SIZE - count, i); } else { /* If the read fails it's almost certainly due to * the register being volatile and the device being * powered off. */ - ret = codec->read(codec, i); + ret = codec->driver->read(codec, i); if (ret >= 0) count += snprintf(buf + count, PAGE_SIZE - count, @@ -137,8 +142,10 @@ static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf) static ssize_t codec_reg_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct snd_soc_device *devdata = dev_get_drvdata(dev); - return soc_codec_reg_show(devdata->card->codec, buf); + struct snd_soc_pcm_runtime *rtd = + container_of(dev, struct snd_soc_pcm_runtime, dev); + + return soc_codec_reg_show(rtd->codec, buf); } static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL); @@ -146,20 +153,20 @@ static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL); static ssize_t pmdown_time_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct snd_soc_device *socdev = dev_get_drvdata(dev); - struct snd_soc_card *card = socdev->card; + struct snd_soc_pcm_runtime *rtd = + container_of(dev, struct snd_soc_pcm_runtime, dev); - return sprintf(buf, "%ld\n", card->pmdown_time); + return sprintf(buf, "%ld\n", rtd->pmdown_time); } static ssize_t pmdown_time_set(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct snd_soc_device *socdev = dev_get_drvdata(dev); - struct snd_soc_card *card = socdev->card; + struct snd_soc_pcm_runtime *rtd = + container_of(dev, struct snd_soc_pcm_runtime, dev); - strict_strtol(buf, 10, &card->pmdown_time); + strict_strtol(buf, 10, &rtd->pmdown_time); return count; } @@ -203,19 +210,19 @@ static ssize_t codec_reg_write_file(struct file *file, return -EFAULT; buf[buf_size] = 0; - if (codec->reg_cache_step) - step = codec->reg_cache_step; + if (codec->driver->reg_cache_step) + step = codec->driver->reg_cache_step; while (*start == ' ') start++; reg = simple_strtoul(start, &start, 16); - if ((reg >= codec->reg_cache_size) || (reg % step)) + if ((reg >= codec->driver->reg_cache_size) || (reg % step)) return -EINVAL; while (*start == ' ') start++; if (strict_strtoul(start, 16, &value)) return -EINVAL; - codec->write(codec, reg, value); + codec->driver->write(codec, reg, value); return buf_size; } @@ -228,16 +235,7 @@ static const struct file_operations codec_reg_fops = { static void soc_init_codec_debugfs(struct snd_soc_codec *codec) { - char codec_root[128]; - - if (codec->dev) - snprintf(codec_root, sizeof(codec_root), - "%s.%s", codec->name, dev_name(codec->dev)); - else - snprintf(codec_root, sizeof(codec_root), - "%s", codec->name); - - codec->debugfs_codec_root = debugfs_create_dir(codec_root, + codec->debugfs_codec_root = debugfs_create_dir(codec->name , debugfs_root); if (!codec->debugfs_codec_root) { printk(KERN_WARNING @@ -273,6 +271,106 @@ static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) debugfs_remove_recursive(codec->debugfs_codec_root); } +static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); + ssize_t len, ret = 0; + struct snd_soc_codec *codec; + + if (!buf) + return -ENOMEM; + + list_for_each_entry(codec, &codec_list, list) { + len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", + codec->name); + if (len >= 0) + ret += len; + if (ret > PAGE_SIZE) { + ret = PAGE_SIZE; + break; + } + } + + if (ret >= 0) + ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); + + kfree(buf); + + return ret; +} + +static const struct file_operations codec_list_fops = { + .read = codec_list_read_file, + .llseek = default_llseek,/* read accesses f_pos */ +}; + +static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); + ssize_t len, ret = 0; + 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; + } + } + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); + + kfree(buf); + + return ret; +} + +static const struct file_operations dai_list_fops = { + .read = dai_list_read_file, + .llseek = default_llseek,/* read accesses f_pos */ +}; + +static ssize_t platform_list_read_file(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); + ssize_t len, ret = 0; + struct snd_soc_platform *platform; + + if (!buf) + return -ENOMEM; + + list_for_each_entry(platform, &platform_list, list) { + len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", + platform->name); + if (len >= 0) + ret += len; + if (ret > PAGE_SIZE) { + ret = PAGE_SIZE; + break; + } + } + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); + + kfree(buf); + + return ret; +} + +static const struct file_operations platform_list_fops = { + .read = platform_list_read_file, + .llseek = default_llseek,/* read accesses f_pos */ +}; + #else static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec) @@ -306,7 +404,7 @@ static int soc_ac97_dev_register(struct snd_soc_codec *codec) codec->ac97->dev.release = soc_ac97_device_release; dev_set_name(&codec->ac97->dev, "%d-%d:%s", - codec->card->number, 0, codec->name); + 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"); @@ -320,24 +418,21 @@ static int soc_ac97_dev_register(struct snd_soc_codec *codec) static int soc_pcm_apply_symmetry(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_card *card = socdev->card; - struct snd_soc_dai_link *machine = rtd->dai; - struct snd_soc_dai *cpu_dai = machine->cpu_dai; - struct snd_soc_dai *codec_dai = machine->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; int ret; - if (codec_dai->symmetric_rates || cpu_dai->symmetric_rates || - machine->symmetric_rates) { - dev_dbg(card->dev, "Symmetry forces %dHz rate\n", - machine->rate); + if (codec_dai->driver->symmetric_rates || cpu_dai->driver->symmetric_rates || + rtd->dai_link->symmetric_rates) { + dev_dbg(&rtd->dev, "Symmetry forces %dHz rate\n", + rtd->rate); ret = snd_pcm_hw_constraint_minmax(substream->runtime, SNDRV_PCM_HW_PARAM_RATE, - machine->rate, - machine->rate); + rtd->rate, + rtd->rate); if (ret < 0) { - dev_err(card->dev, + dev_err(&rtd->dev, "Unable to apply rate symmetry constraint: %d\n", ret); return ret; } @@ -354,20 +449,19 @@ static int soc_pcm_apply_symmetry(struct snd_pcm_substream *substream) static int soc_pcm_open(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_card *card = socdev->card; struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_soc_dai_link *machine = rtd->dai; - struct snd_soc_platform *platform = card->platform; - struct snd_soc_dai *cpu_dai = machine->cpu_dai; - struct snd_soc_dai *codec_dai = machine->codec_dai; + struct snd_soc_platform *platform = rtd->platform; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai_driver *cpu_dai_drv = cpu_dai->driver; + struct snd_soc_dai_driver *codec_dai_drv = codec_dai->driver; int ret = 0; mutex_lock(&pcm_mutex); /* startup the audio subsystem */ - if (cpu_dai->ops->startup) { - ret = cpu_dai->ops->startup(substream, cpu_dai); + if (cpu_dai->driver->ops->startup) { + ret = cpu_dai->driver->ops->startup(substream, cpu_dai); if (ret < 0) { printk(KERN_ERR "asoc: can't open interface %s\n", cpu_dai->name); @@ -375,16 +469,16 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) } } - if (platform->pcm_ops->open) { - ret = platform->pcm_ops->open(substream); + if (platform->driver->ops->open) { + ret = platform->driver->ops->open(substream); if (ret < 0) { printk(KERN_ERR "asoc: can't open platform %s\n", platform->name); goto platform_err; } } - if (codec_dai->ops->startup) { - ret = codec_dai->ops->startup(substream, codec_dai); + if (codec_dai->driver->ops->startup) { + ret = codec_dai->driver->ops->startup(substream, codec_dai); if (ret < 0) { printk(KERN_ERR "asoc: can't open codec %s\n", codec_dai->name); @@ -392,10 +486,10 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) } } - if (machine->ops && machine->ops->startup) { - ret = machine->ops->startup(substream); + if (rtd->dai_link->ops && rtd->dai_link->ops->startup) { + ret = rtd->dai_link->ops->startup(substream); if (ret < 0) { - printk(KERN_ERR "asoc: %s startup failed\n", machine->name); + printk(KERN_ERR "asoc: %s startup failed\n", rtd->dai_link->name); goto machine_err; } } @@ -403,50 +497,50 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) /* Check that the codec and cpu DAI's are compatible */ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { runtime->hw.rate_min = - max(codec_dai->playback.rate_min, - cpu_dai->playback.rate_min); + max(codec_dai_drv->playback.rate_min, + cpu_dai_drv->playback.rate_min); runtime->hw.rate_max = - min(codec_dai->playback.rate_max, - cpu_dai->playback.rate_max); + min(codec_dai_drv->playback.rate_max, + cpu_dai_drv->playback.rate_max); runtime->hw.channels_min = - max(codec_dai->playback.channels_min, - cpu_dai->playback.channels_min); + max(codec_dai_drv->playback.channels_min, + cpu_dai_drv->playback.channels_min); runtime->hw.channels_max = - min(codec_dai->playback.channels_max, - cpu_dai->playback.channels_max); + min(codec_dai_drv->playback.channels_max, + cpu_dai_drv->playback.channels_max); runtime->hw.formats = - codec_dai->playback.formats & cpu_dai->playback.formats; + codec_dai_drv->playback.formats & cpu_dai_drv->playback.formats; runtime->hw.rates = - codec_dai->playback.rates & cpu_dai->playback.rates; - if (codec_dai->playback.rates + codec_dai_drv->playback.rates & cpu_dai_drv->playback.rates; + if (codec_dai_drv->playback.rates & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS)) - runtime->hw.rates |= cpu_dai->playback.rates; - if (cpu_dai->playback.rates + runtime->hw.rates |= cpu_dai_drv->playback.rates; + if (cpu_dai_drv->playback.rates & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS)) - runtime->hw.rates |= codec_dai->playback.rates; + runtime->hw.rates |= codec_dai_drv->playback.rates; } else { runtime->hw.rate_min = - max(codec_dai->capture.rate_min, - cpu_dai->capture.rate_min); + max(codec_dai_drv->capture.rate_min, + cpu_dai_drv->capture.rate_min); runtime->hw.rate_max = - min(codec_dai->capture.rate_max, - cpu_dai->capture.rate_max); + min(codec_dai_drv->capture.rate_max, + cpu_dai_drv->capture.rate_max); runtime->hw.channels_min = - max(codec_dai->capture.channels_min, - cpu_dai->capture.channels_min); + max(codec_dai_drv->capture.channels_min, + cpu_dai_drv->capture.channels_min); runtime->hw.channels_max = - min(codec_dai->capture.channels_max, - cpu_dai->capture.channels_max); + min(codec_dai_drv->capture.channels_max, + cpu_dai_drv->capture.channels_max); runtime->hw.formats = - codec_dai->capture.formats & cpu_dai->capture.formats; + codec_dai_drv->capture.formats & cpu_dai_drv->capture.formats; runtime->hw.rates = - codec_dai->capture.rates & cpu_dai->capture.rates; - if (codec_dai->capture.rates + codec_dai_drv->capture.rates & cpu_dai_drv->capture.rates; + if (codec_dai_drv->capture.rates & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS)) - runtime->hw.rates |= cpu_dai->capture.rates; - if (cpu_dai->capture.rates + runtime->hw.rates |= cpu_dai_drv->capture.rates; + if (cpu_dai_drv->capture.rates & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS)) - runtime->hw.rates |= codec_dai->capture.rates; + runtime->hw.rates |= codec_dai_drv->capture.rates; } snd_pcm_limit_hw_rates(runtime); @@ -462,7 +556,7 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) } if (!runtime->hw.channels_min || !runtime->hw.channels_max) { printk(KERN_ERR "asoc: %s <-> %s No matching channels\n", - codec_dai->name, cpu_dai->name); + codec_dai->name, cpu_dai->name); goto config_err; } @@ -473,7 +567,8 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) goto config_err; } - pr_debug("asoc: %s <-> %s info:\n", codec_dai->name, cpu_dai->name); + pr_debug("asoc: %s <-> %s info:\n", + codec_dai->name, cpu_dai->name); pr_debug("asoc: rate mask 0x%x\n", runtime->hw.rates); pr_debug("asoc: min ch %d max ch %d\n", runtime->hw.channels_min, runtime->hw.channels_max); @@ -481,33 +576,33 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) runtime->hw.rate_max); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - cpu_dai->playback.active++; - codec_dai->playback.active++; + cpu_dai->playback_active++; + codec_dai->playback_active++; } else { - cpu_dai->capture.active++; - codec_dai->capture.active++; + cpu_dai->capture_active++; + codec_dai->capture_active++; } cpu_dai->active++; codec_dai->active++; - card->codec->active++; + rtd->codec->active++; mutex_unlock(&pcm_mutex); return 0; config_err: - if (machine->ops && machine->ops->shutdown) - machine->ops->shutdown(substream); + if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown) + rtd->dai_link->ops->shutdown(substream); machine_err: - if (codec_dai->ops->shutdown) - codec_dai->ops->shutdown(substream, codec_dai); + if (codec_dai->driver->ops->shutdown) + codec_dai->driver->ops->shutdown(substream, codec_dai); codec_dai_err: - if (platform->pcm_ops->close) - platform->pcm_ops->close(substream); + if (platform->driver->ops->close) + platform->driver->ops->close(substream); platform_err: - if (cpu_dai->ops->shutdown) - cpu_dai->ops->shutdown(substream, cpu_dai); + if (cpu_dai->driver->ops->shutdown) + cpu_dai->driver->ops->shutdown(substream, cpu_dai); out: mutex_unlock(&pcm_mutex); return ret; @@ -520,29 +615,25 @@ out: */ static void close_delayed_work(struct work_struct *work) { - struct snd_soc_card *card = container_of(work, struct snd_soc_card, - delayed_work.work); - struct snd_soc_codec *codec = card->codec; - struct snd_soc_dai *codec_dai; - int i; + struct snd_soc_pcm_runtime *rtd = + container_of(work, struct snd_soc_pcm_runtime, delayed_work.work); + struct snd_soc_dai *codec_dai = rtd->codec_dai; mutex_lock(&pcm_mutex); - for (i = 0; i < codec->num_dai; i++) { - codec_dai = &codec->dai[i]; - - pr_debug("pop wq checking: %s status: %s waiting: %s\n", - codec_dai->playback.stream_name, - codec_dai->playback.active ? "active" : "inactive", - codec_dai->pop_wait ? "yes" : "no"); - - /* are we waiting on this codec DAI stream */ - if (codec_dai->pop_wait == 1) { - codec_dai->pop_wait = 0; - snd_soc_dapm_stream_event(codec, - codec_dai->playback.stream_name, - SND_SOC_DAPM_STREAM_STOP); - } + + pr_debug("pop wq checking: %s status: %s waiting: %s\n", + codec_dai->driver->playback.stream_name, + codec_dai->playback_active ? "active" : "inactive", + codec_dai->pop_wait ? "yes" : "no"); + + /* are we waiting on this codec DAI stream */ + if (codec_dai->pop_wait == 1) { + codec_dai->pop_wait = 0; + snd_soc_dapm_stream_event(rtd, + codec_dai->driver->playback.stream_name, + SND_SOC_DAPM_STREAM_STOP); } + mutex_unlock(&pcm_mutex); } @@ -554,22 +645,19 @@ static void close_delayed_work(struct work_struct *work) static int soc_codec_close(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_card *card = socdev->card; - struct snd_soc_dai_link *machine = rtd->dai; - struct snd_soc_platform *platform = card->platform; - struct snd_soc_dai *cpu_dai = machine->cpu_dai; - struct snd_soc_dai *codec_dai = machine->codec_dai; - struct snd_soc_codec *codec = card->codec; + struct snd_soc_platform *platform = rtd->platform; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_codec *codec = rtd->codec; mutex_lock(&pcm_mutex); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - cpu_dai->playback.active--; - codec_dai->playback.active--; + cpu_dai->playback_active--; + codec_dai->playback_active--; } else { - cpu_dai->capture.active--; - codec_dai->capture.active--; + cpu_dai->capture_active--; + codec_dai->capture_active--; } cpu_dai->active--; @@ -582,27 +670,28 @@ static int soc_codec_close(struct snd_pcm_substream *substream) if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) snd_soc_dai_digital_mute(codec_dai, 1); - if (cpu_dai->ops->shutdown) - cpu_dai->ops->shutdown(substream, cpu_dai); + if (cpu_dai->driver->ops->shutdown) + cpu_dai->driver->ops->shutdown(substream, cpu_dai); - if (codec_dai->ops->shutdown) - codec_dai->ops->shutdown(substream, codec_dai); + if (codec_dai->driver->ops->shutdown) + codec_dai->driver->ops->shutdown(substream, codec_dai); - if (machine->ops && machine->ops->shutdown) - machine->ops->shutdown(substream); + if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown) + rtd->dai_link->ops->shutdown(substream); - if (platform->pcm_ops->close) - platform->pcm_ops->close(substream); + if (platform->driver->ops->close) + platform->driver->ops->close(substream); + cpu_dai->runtime = NULL; if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { /* start delayed pop wq here for playback streams */ codec_dai->pop_wait = 1; - schedule_delayed_work(&card->delayed_work, - msecs_to_jiffies(card->pmdown_time)); + schedule_delayed_work(&rtd->delayed_work, + msecs_to_jiffies(rtd->pmdown_time)); } else { /* capture streams can be powered down now */ - snd_soc_dapm_stream_event(codec, - codec_dai->capture.stream_name, + snd_soc_dapm_stream_event(rtd, + codec_dai->driver->capture.stream_name, SND_SOC_DAPM_STREAM_STOP); } @@ -618,43 +707,39 @@ static int soc_codec_close(struct snd_pcm_substream *substream) static int soc_pcm_prepare(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_card *card = socdev->card; - struct snd_soc_dai_link *machine = rtd->dai; - struct snd_soc_platform *platform = card->platform; - struct snd_soc_dai *cpu_dai = machine->cpu_dai; - struct snd_soc_dai *codec_dai = machine->codec_dai; - struct snd_soc_codec *codec = card->codec; + struct snd_soc_platform *platform = rtd->platform; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; int ret = 0; mutex_lock(&pcm_mutex); - if (machine->ops && machine->ops->prepare) { - ret = machine->ops->prepare(substream); + if (rtd->dai_link->ops && rtd->dai_link->ops->prepare) { + ret = rtd->dai_link->ops->prepare(substream); if (ret < 0) { printk(KERN_ERR "asoc: machine prepare error\n"); goto out; } } - if (platform->pcm_ops->prepare) { - ret = platform->pcm_ops->prepare(substream); + if (platform->driver->ops->prepare) { + ret = platform->driver->ops->prepare(substream); if (ret < 0) { printk(KERN_ERR "asoc: platform prepare error\n"); goto out; } } - if (codec_dai->ops->prepare) { - ret = codec_dai->ops->prepare(substream, codec_dai); + if (codec_dai->driver->ops->prepare) { + ret = codec_dai->driver->ops->prepare(substream, codec_dai); if (ret < 0) { printk(KERN_ERR "asoc: codec DAI prepare error\n"); goto out; } } - if (cpu_dai->ops->prepare) { - ret = cpu_dai->ops->prepare(substream, cpu_dai); + if (cpu_dai->driver->ops->prepare) { + ret = cpu_dai->driver->ops->prepare(substream, cpu_dai); if (ret < 0) { printk(KERN_ERR "asoc: cpu DAI prepare error\n"); goto out; @@ -665,16 +750,16 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream) if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && codec_dai->pop_wait) { codec_dai->pop_wait = 0; - cancel_delayed_work(&card->delayed_work); + cancel_delayed_work(&rtd->delayed_work); } if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - snd_soc_dapm_stream_event(codec, - codec_dai->playback.stream_name, + snd_soc_dapm_stream_event(rtd, + codec_dai->driver->playback.stream_name, SND_SOC_DAPM_STREAM_START); else - snd_soc_dapm_stream_event(codec, - codec_dai->capture.stream_name, + snd_soc_dapm_stream_event(rtd, + codec_dai->driver->capture.stream_name, SND_SOC_DAPM_STREAM_START); snd_soc_dai_digital_mute(codec_dai, 0); @@ -693,26 +778,23 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_dai_link *machine = rtd->dai; - struct snd_soc_card *card = socdev->card; - struct snd_soc_platform *platform = card->platform; - struct snd_soc_dai *cpu_dai = machine->cpu_dai; - struct snd_soc_dai *codec_dai = machine->codec_dai; + struct snd_soc_platform *platform = rtd->platform; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; int ret = 0; mutex_lock(&pcm_mutex); - if (machine->ops && machine->ops->hw_params) { - ret = machine->ops->hw_params(substream, params); + if (rtd->dai_link->ops && rtd->dai_link->ops->hw_params) { + ret = rtd->dai_link->ops->hw_params(substream, params); if (ret < 0) { printk(KERN_ERR "asoc: machine hw_params failed\n"); goto out; } } - if (codec_dai->ops->hw_params) { - ret = codec_dai->ops->hw_params(substream, params, codec_dai); + if (codec_dai->driver->ops->hw_params) { + ret = codec_dai->driver->ops->hw_params(substream, params, codec_dai); if (ret < 0) { printk(KERN_ERR "asoc: can't set codec %s hw params\n", codec_dai->name); @@ -720,8 +802,8 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream, } } - if (cpu_dai->ops->hw_params) { - ret = cpu_dai->ops->hw_params(substream, params, cpu_dai); + if (cpu_dai->driver->ops->hw_params) { + ret = cpu_dai->driver->ops->hw_params(substream, params, cpu_dai); if (ret < 0) { printk(KERN_ERR "asoc: interface %s hw params failed\n", cpu_dai->name); @@ -729,8 +811,8 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream, } } - if (platform->pcm_ops->hw_params) { - ret = platform->pcm_ops->hw_params(substream, params); + if (platform->driver->ops->hw_params) { + ret = platform->driver->ops->hw_params(substream, params); if (ret < 0) { printk(KERN_ERR "asoc: platform %s hw params failed\n", platform->name); @@ -738,23 +820,23 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream, } } - machine->rate = params_rate(params); + rtd->rate = params_rate(params); out: mutex_unlock(&pcm_mutex); return ret; platform_err: - if (cpu_dai->ops->hw_free) - cpu_dai->ops->hw_free(substream, cpu_dai); + if (cpu_dai->driver->ops->hw_free) + cpu_dai->driver->ops->hw_free(substream, cpu_dai); interface_err: - if (codec_dai->ops->hw_free) - codec_dai->ops->hw_free(substream, codec_dai); + if (codec_dai->driver->ops->hw_free) + codec_dai->driver->ops->hw_free(substream, codec_dai); codec_err: - if (machine->ops && machine->ops->hw_free) - machine->ops->hw_free(substream); + if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free) + rtd->dai_link->ops->hw_free(substream); mutex_unlock(&pcm_mutex); return ret; @@ -766,13 +848,10 @@ codec_err: static int soc_pcm_hw_free(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_dai_link *machine = rtd->dai; - struct snd_soc_card *card = socdev->card; - struct snd_soc_platform *platform = card->platform; - struct snd_soc_dai *cpu_dai = machine->cpu_dai; - struct snd_soc_dai *codec_dai = machine->codec_dai; - struct snd_soc_codec *codec = card->codec; + struct snd_soc_platform *platform = rtd->platform; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_codec *codec = rtd->codec; mutex_lock(&pcm_mutex); @@ -781,19 +860,19 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream) snd_soc_dai_digital_mute(codec_dai, 1); /* free any machine hw params */ - if (machine->ops && machine->ops->hw_free) - machine->ops->hw_free(substream); + if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free) + rtd->dai_link->ops->hw_free(substream); /* free any DMA resources */ - if (platform->pcm_ops->hw_free) - platform->pcm_ops->hw_free(substream); + if (platform->driver->ops->hw_free) + platform->driver->ops->hw_free(substream); /* now free hw params for the DAI's */ - if (codec_dai->ops->hw_free) - codec_dai->ops->hw_free(substream, codec_dai); + if (codec_dai->driver->ops->hw_free) + codec_dai->driver->ops->hw_free(substream, codec_dai); - if (cpu_dai->ops->hw_free) - cpu_dai->ops->hw_free(substream, cpu_dai); + if (cpu_dai->driver->ops->hw_free) + cpu_dai->driver->ops->hw_free(substream, cpu_dai); mutex_unlock(&pcm_mutex); return 0; @@ -802,28 +881,25 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream) static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_card *card= socdev->card; - struct snd_soc_dai_link *machine = rtd->dai; - struct snd_soc_platform *platform = card->platform; - struct snd_soc_dai *cpu_dai = machine->cpu_dai; - struct snd_soc_dai *codec_dai = machine->codec_dai; + struct snd_soc_platform *platform = rtd->platform; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; int ret; - if (codec_dai->ops->trigger) { - ret = codec_dai->ops->trigger(substream, cmd, codec_dai); + if (codec_dai->driver->ops->trigger) { + ret = codec_dai->driver->ops->trigger(substream, cmd, codec_dai); if (ret < 0) return ret; } - if (platform->pcm_ops->trigger) { - ret = platform->pcm_ops->trigger(substream, cmd); + if (platform->driver->ops->trigger) { + ret = platform->driver->ops->trigger(substream, cmd); if (ret < 0) return ret; } - if (cpu_dai->ops->trigger) { - ret = cpu_dai->ops->trigger(substream, cmd, cpu_dai); + if (cpu_dai->driver->ops->trigger) { + ret = cpu_dai->driver->ops->trigger(substream, cmd, cpu_dai); if (ret < 0) return ret; } @@ -838,27 +914,24 @@ static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd) static snd_pcm_uframes_t soc_pcm_pointer(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_card *card = socdev->card; - struct snd_soc_platform *platform = card->platform; - struct snd_soc_dai_link *machine = rtd->dai; - struct snd_soc_dai *cpu_dai = machine->cpu_dai; - struct snd_soc_dai *codec_dai = machine->codec_dai; + struct snd_soc_platform *platform = rtd->platform; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_pcm_runtime *runtime = substream->runtime; snd_pcm_uframes_t offset = 0; snd_pcm_sframes_t delay = 0; - if (platform->pcm_ops->pointer) - offset = platform->pcm_ops->pointer(substream); + if (platform->driver->ops->pointer) + offset = platform->driver->ops->pointer(substream); - if (cpu_dai->ops->delay) - delay += cpu_dai->ops->delay(substream, cpu_dai); + if (cpu_dai->driver->ops->delay) + delay += cpu_dai->driver->ops->delay(substream, cpu_dai); - if (codec_dai->ops->delay) - delay += codec_dai->ops->delay(substream, codec_dai); + if (codec_dai->driver->ops->delay) + delay += codec_dai->driver->ops->delay(substream, codec_dai); - if (platform->delay) - delay += platform->delay(substream, codec_dai); + if (platform->driver->delay) + delay += platform->driver->delay(substream, codec_dai); runtime->delay = delay; @@ -881,104 +954,111 @@ static struct snd_pcm_ops soc_pcm_ops = { static int soc_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_card *card = socdev->card; - struct snd_soc_platform *platform = card->platform; - struct snd_soc_codec_device *codec_dev = socdev->codec_dev; - struct snd_soc_codec *codec = card->codec; + struct snd_soc_card *card = platform_get_drvdata(pdev); int i; /* If the initialization of this soc device failed, there is no codec * associated with it. Just bail out in this case. */ - if (!codec) + if (list_empty(&card->codec_dev_list)) return 0; /* Due to the resume being scheduled into a workqueue we could * suspend before that's finished - wait for it to complete. */ - snd_power_lock(codec->card); - snd_power_wait(codec->card, SNDRV_CTL_POWER_D0); - snd_power_unlock(codec->card); + snd_power_lock(card->snd_card); + snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); + snd_power_unlock(card->snd_card); /* we're going to block userspace touching us until resume completes */ - snd_power_change_state(codec->card, SNDRV_CTL_POWER_D3hot); + snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); /* mute any active DAC's */ - for (i = 0; i < card->num_links; i++) { - struct snd_soc_dai *dai = card->dai_link[i].codec_dai; + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_dai *dai = card->rtd[i].codec_dai; + struct snd_soc_dai_driver *drv = dai->driver; - if (card->dai_link[i].ignore_suspend) + if (card->rtd[i].dai_link->ignore_suspend) continue; - if (dai->ops->digital_mute && dai->playback.active) - dai->ops->digital_mute(dai, 1); + if (drv->ops->digital_mute && dai->playback_active) + drv->ops->digital_mute(dai, 1); } /* suspend all pcms */ - for (i = 0; i < card->num_links; i++) { - if (card->dai_link[i].ignore_suspend) + for (i = 0; i < card->num_rtd; i++) { + if (card->rtd[i].dai_link->ignore_suspend) continue; - snd_pcm_suspend_all(card->dai_link[i].pcm); + snd_pcm_suspend_all(card->rtd[i].pcm); } if (card->suspend_pre) card->suspend_pre(pdev, PMSG_SUSPEND); - for (i = 0; i < card->num_links; i++) { - struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai; + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; + struct snd_soc_platform *platform = card->rtd[i].platform; - if (card->dai_link[i].ignore_suspend) + if (card->rtd[i].dai_link->ignore_suspend) continue; - if (cpu_dai->suspend && !cpu_dai->ac97_control) - cpu_dai->suspend(cpu_dai); - if (platform->suspend) - platform->suspend(&card->dai_link[i]); + if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control) + cpu_dai->driver->suspend(cpu_dai); + if (platform->driver->suspend && !platform->suspended) { + platform->driver->suspend(cpu_dai); + platform->suspended = 1; + } } /* close any waiting streams and save state */ - run_delayed_work(&card->delayed_work); - codec->suspend_bias_level = codec->bias_level; + for (i = 0; i < card->num_rtd; i++) { + run_delayed_work(&card->rtd[i].delayed_work); + card->rtd[i].codec->suspend_bias_level = card->rtd[i].codec->bias_level; + } - for (i = 0; i < codec->num_dai; i++) { - char *stream = codec->dai[i].playback.stream_name; + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_dai_driver *driver = card->rtd[i].codec_dai->driver; - if (card->dai_link[i].ignore_suspend) + if (card->rtd[i].dai_link->ignore_suspend) continue; - if (stream != NULL) - snd_soc_dapm_stream_event(codec, stream, + if (driver->playback.stream_name != NULL) + snd_soc_dapm_stream_event(&card->rtd[i], driver->playback.stream_name, SND_SOC_DAPM_STREAM_SUSPEND); - stream = codec->dai[i].capture.stream_name; - if (stream != NULL) - snd_soc_dapm_stream_event(codec, stream, + + if (driver->capture.stream_name != NULL) + snd_soc_dapm_stream_event(&card->rtd[i], driver->capture.stream_name, SND_SOC_DAPM_STREAM_SUSPEND); } - /* If there are paths active then the CODEC will be held with - * bias _ON and should not be suspended. */ - if (codec_dev->suspend) { - switch (codec->bias_level) { - case SND_SOC_BIAS_STANDBY: - case SND_SOC_BIAS_OFF: - codec_dev->suspend(pdev, PMSG_SUSPEND); - break; - default: - dev_dbg(socdev->dev, "CODEC is on over suspend\n"); - break; + /* suspend all CODECs */ + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_codec *codec = card->rtd[i].codec; + /* If there are paths active then the CODEC will be held with + * bias _ON and should not be suspended. */ + if (!codec->suspended && codec->driver->suspend) { + switch (codec->bias_level) { + case SND_SOC_BIAS_STANDBY: + case SND_SOC_BIAS_OFF: + codec->driver->suspend(codec, PMSG_SUSPEND); + codec->suspended = 1; + break; + default: + dev_dbg(codec->dev, "CODEC is on over suspend\n"); + break; + } } } - for (i = 0; i < card->num_links; i++) { - struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai; + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; - if (card->dai_link[i].ignore_suspend) + if (card->rtd[i].dai_link->ignore_suspend) continue; - if (cpu_dai->suspend && cpu_dai->ac97_control) - cpu_dai->suspend(cpu_dai); + if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) + cpu_dai->driver->suspend(cpu_dai); } if (card->suspend_post) @@ -992,127 +1072,127 @@ static int soc_suspend(struct device *dev) */ static void soc_resume_deferred(struct work_struct *work) { - struct snd_soc_card *card = container_of(work, - struct snd_soc_card, - deferred_resume_work); - struct snd_soc_device *socdev = card->socdev; - struct snd_soc_platform *platform = card->platform; - struct snd_soc_codec_device *codec_dev = socdev->codec_dev; - struct snd_soc_codec *codec = card->codec; - struct platform_device *pdev = to_platform_device(socdev->dev); + struct snd_soc_card *card = + container_of(work, struct snd_soc_card, deferred_resume_work); + struct platform_device *pdev = to_platform_device(card->dev); int i; /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, * so userspace apps are blocked from touching us */ - dev_dbg(socdev->dev, "starting resume work\n"); + dev_dbg(card->dev, "starting resume work\n"); /* Bring us up into D2 so that DAPM starts enabling things */ - snd_power_change_state(codec->card, SNDRV_CTL_POWER_D2); + snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); if (card->resume_pre) card->resume_pre(pdev); - for (i = 0; i < card->num_links; i++) { - struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai; + /* resume AC97 DAIs */ + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; - if (card->dai_link[i].ignore_suspend) + if (card->rtd[i].dai_link->ignore_suspend) continue; - if (cpu_dai->resume && cpu_dai->ac97_control) - cpu_dai->resume(cpu_dai); - } - - /* If the CODEC was idle over suspend then it will have been - * left with bias OFF or STANDBY and suspended so we must now - * resume. Otherwise the suspend was suppressed. - */ - if (codec_dev->resume) { - switch (codec->bias_level) { - case SND_SOC_BIAS_STANDBY: - case SND_SOC_BIAS_OFF: - codec_dev->resume(pdev); - break; - default: - dev_dbg(socdev->dev, "CODEC was on over suspend\n"); - break; + if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control) + cpu_dai->driver->resume(cpu_dai); + } + + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_codec *codec = card->rtd[i].codec; + /* If the CODEC was idle over suspend then it will have been + * left with bias OFF or STANDBY and suspended so we must now + * resume. Otherwise the suspend was suppressed. + */ + if (codec->driver->resume && codec->suspended) { + switch (codec->bias_level) { + case SND_SOC_BIAS_STANDBY: + case SND_SOC_BIAS_OFF: + codec->driver->resume(codec); + codec->suspended = 0; + break; + default: + dev_dbg(codec->dev, "CODEC was on over suspend\n"); + break; + } } } - for (i = 0; i < codec->num_dai; i++) { - char *stream = codec->dai[i].playback.stream_name; + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_dai_driver *driver = card->rtd[i].codec_dai->driver; - if (card->dai_link[i].ignore_suspend) + if (card->rtd[i].dai_link->ignore_suspend) continue; - if (stream != NULL) - snd_soc_dapm_stream_event(codec, stream, + if (driver->playback.stream_name != NULL) + snd_soc_dapm_stream_event(&card->rtd[i], driver->playback.stream_name, SND_SOC_DAPM_STREAM_RESUME); - stream = codec->dai[i].capture.stream_name; - if (stream != NULL) - snd_soc_dapm_stream_event(codec, stream, + + if (driver->capture.stream_name != NULL) + snd_soc_dapm_stream_event(&card->rtd[i], driver->capture.stream_name, SND_SOC_DAPM_STREAM_RESUME); } /* unmute any active DACs */ - for (i = 0; i < card->num_links; i++) { - struct snd_soc_dai *dai = card->dai_link[i].codec_dai; + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_dai *dai = card->rtd[i].codec_dai; + struct snd_soc_dai_driver *drv = dai->driver; - if (card->dai_link[i].ignore_suspend) + if (card->rtd[i].dai_link->ignore_suspend) continue; - if (dai->ops->digital_mute && dai->playback.active) - dai->ops->digital_mute(dai, 0); + if (drv->ops->digital_mute && dai->playback_active) + drv->ops->digital_mute(dai, 0); } - for (i = 0; i < card->num_links; i++) { - struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai; + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; + struct snd_soc_platform *platform = card->rtd[i].platform; - if (card->dai_link[i].ignore_suspend) + if (card->rtd[i].dai_link->ignore_suspend) continue; - if (cpu_dai->resume && !cpu_dai->ac97_control) - cpu_dai->resume(cpu_dai); - if (platform->resume) - platform->resume(&card->dai_link[i]); + if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) + cpu_dai->driver->resume(cpu_dai); + if (platform->driver->resume && platform->suspended) { + platform->driver->resume(cpu_dai); + platform->suspended = 0; + } } if (card->resume_post) card->resume_post(pdev); - dev_dbg(socdev->dev, "resume work completed\n"); + dev_dbg(card->dev, "resume work completed\n"); /* userspace can access us now we are back as we were before */ - snd_power_change_state(codec->card, SNDRV_CTL_POWER_D0); + snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); } /* powers up audio subsystem after a suspend */ static int soc_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_card *card = socdev->card; - struct snd_soc_dai *cpu_dai = card->dai_link[0].cpu_dai; - - /* If the initialization of this soc device failed, there is no codec - * associated with it. Just bail out in this case. - */ - if (!card->codec) - return 0; + struct snd_soc_card *card = platform_get_drvdata(pdev); + int i; /* 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 * due to I/O costs and anti-pop so handle them out of line. */ - if (cpu_dai->ac97_control) { - dev_dbg(socdev->dev, "Resuming AC97 immediately\n"); - soc_resume_deferred(&card->deferred_resume_work); - } else { - dev_dbg(socdev->dev, "Scheduling resume work\n"); - if (!schedule_work(&card->deferred_resume_work)) - dev_err(socdev->dev, "resume work item may be lost\n"); + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; + if (cpu_dai->driver->ac97_control) { + dev_dbg(dev, "Resuming AC97 immediately\n"); + soc_resume_deferred(&card->deferred_resume_work); + } else { + dev_dbg(dev, "Scheduling resume work\n"); + if (!schedule_work(&card->deferred_resume_work)) + dev_err(dev, "resume work item may be lost\n"); + } } return 0; @@ -1125,198 +1205,440 @@ static int soc_resume(struct device *dev) static struct snd_soc_dai_ops null_dai_ops = { }; -static void snd_soc_instantiate_card(struct snd_soc_card *card) +static int soc_bind_dai_link(struct snd_soc_card *card, int num) { - struct platform_device *pdev = container_of(card->dev, - struct platform_device, - dev); - struct snd_soc_codec_device *codec_dev = card->socdev->codec_dev; + 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 *dai; - int i, found, ret, ac97; + struct snd_soc_dai *codec_dai, *cpu_dai; - if (card->instantiated) - return; + if (rtd->complete) + return 1; + dev_dbg(card->dev, "binding %s at idx %d\n", dai_link->name, num); - found = 0; - list_for_each_entry(platform, &platform_list, list) - if (card->platform == platform) { - found = 1; - break; + /* 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 (!strcmp(cpu_dai->name, dai_link->cpu_dai_name)) { + + if (!try_module_get(cpu_dai->dev->driver->owner)) + return -ENODEV; + + rtd->cpu_dai = cpu_dai; + goto find_codec; } - if (!found) { - dev_dbg(card->dev, "Platform %s not registered\n", - card->platform->name); - return; } + dev_dbg(card->dev, "CPU DAI %s not registered\n", + dai_link->cpu_dai_name); - ac97 = 0; - for (i = 0; i < card->num_links; i++) { - found = 0; - list_for_each_entry(dai, &dai_list, list) - if (card->dai_link[i].cpu_dai == dai) { - found = 1; - break; +find_codec: + /* do we already have the CODEC for this link ? */ + if (rtd->codec) { + goto find_platform; + } + + /* no, then find CODEC from registered CODECs*/ + list_for_each_entry(codec, &codec_list, list) { + if (!strcmp(codec->name, dai_link->codec_name)) { + rtd->codec = codec; + + if (!try_module_get(codec->dev->driver->owner)) + return -ENODEV; + + /* 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)) { + rtd->codec_dai = codec_dai; + goto find_platform; + } } - if (!found) { - dev_dbg(card->dev, "DAI %s not registered\n", - card->dai_link[i].cpu_dai->name); - return; + dev_dbg(card->dev, "CODEC DAI %s not registered\n", + dai_link->codec_dai_name); + + goto find_platform; } + } + dev_dbg(card->dev, "CODEC %s not registered\n", + dai_link->codec_name); - if (card->dai_link[i].cpu_dai->ac97_control) - ac97 = 1; +find_platform: + /* do we already have the CODEC DAI for this link ? */ + if (rtd->platform) { + goto out; } + /* no, then find CPU DAI from registered DAIs*/ + list_for_each_entry(platform, &platform_list, list) { + if (!strcmp(platform->name, dai_link->platform_name)) { - for (i = 0; i < card->num_links; i++) { - if (!card->dai_link[i].codec_dai->ops) - card->dai_link[i].codec_dai->ops = &null_dai_ops; + if (!try_module_get(platform->dev->driver->owner)) + return -ENODEV; + + rtd->platform = platform; + goto out; + } } - /* If we have AC97 in the system then don't wait for the - * codec. This will need revisiting if we have to handle - * systems with mixed AC97 and non-AC97 parts. Only check for - * DAIs currently; we can't do this per link since some AC97 - * codecs have non-AC97 DAIs. - */ - if (!ac97) - for (i = 0; i < card->num_links; i++) { - found = 0; - list_for_each_entry(dai, &dai_list, list) - if (card->dai_link[i].codec_dai == dai) { - found = 1; - break; - } - if (!found) { - dev_dbg(card->dev, "DAI %s not registered\n", - card->dai_link[i].codec_dai->name); - return; - } + dev_dbg(card->dev, "platform %s not registered\n", + dai_link->platform_name); + 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++; + } + return 1; +} + +static void soc_remove_dai_link(struct snd_soc_card *card, int 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; + int err; + + /* unregister the rtd device */ + if (rtd->dev_registered) { + device_remove_file(&rtd->dev, &dev_attr_pmdown_time); + device_unregister(&rtd->dev); + rtd->dev_registered = 0; + } + + /* remove the CODEC DAI */ + if (codec_dai && codec_dai->probed) { + 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); } + codec_dai->probed = 0; + list_del(&codec_dai->card_list); + } - /* Note that we do not current check for codec components */ + /* remove the platform */ + if (platform && platform->probed) { + if (platform->driver->remove) { + err = platform->driver->remove(platform); + if (err < 0) + printk(KERN_ERR "asoc: failed to remove %s\n", platform->name); + } + platform->probed = 0; + list_del(&platform->card_list); + module_put(platform->dev->driver->owner); + } - dev_dbg(card->dev, "All components present, instantiating\n"); + /* remove the CODEC */ + if (codec && codec->probed) { + if (codec->driver->remove) { + err = codec->driver->remove(codec); + if (err < 0) + printk(KERN_ERR "asoc: failed to remove %s\n", codec->name); + } - /* Found everything, bring it up */ - card->pmdown_time = pmdown_time; + /* Make sure all DAPM widgets are freed */ + snd_soc_dapm_free(codec); - if (card->probe) { - ret = card->probe(pdev); - if (ret < 0) - return; + soc_cleanup_codec_debugfs(codec); + device_remove_file(&rtd->dev, &dev_attr_codec_reg); + codec->probed = 0; + list_del(&codec->card_list); + module_put(codec->dev->driver->owner); } - for (i = 0; i < card->num_links; i++) { - struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai; - if (cpu_dai->probe) { - ret = cpu_dai->probe(pdev, cpu_dai); - if (ret < 0) - goto cpu_dai_err; + /* remove the cpu_dai */ + if (cpu_dai && cpu_dai->probed) { + 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); } + cpu_dai->probed = 0; + list_del(&cpu_dai->card_list); + module_put(cpu_dai->dev->driver->owner); } +} - if (codec_dev->probe) { - ret = codec_dev->probe(pdev); - if (ret < 0) - goto cpu_dai_err; +static void rtd_release(struct device *dev) {} + +static int soc_probe_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_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 ret; + + dev_dbg(card->dev, "probe %s dai link %d\n", card->name, num); + + /* config components */ + codec_dai->codec = codec; + codec->card = card; + cpu_dai->platform = platform; + rtd->card = card; + rtd->dev.parent = card->dev; + codec_dai->card = card; + cpu_dai->card = card; + + /* set default power off timeout */ + rtd->pmdown_time = pmdown_time; + + /* probe the cpu_dai */ + if (!cpu_dai->probed) { + 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); + return ret; + } + } + cpu_dai->probed = 1; + /* mark cpu_dai as probed and add to card cpu_dai list */ + list_add(&cpu_dai->card_list, &card->dai_dev_list); } - codec = card->codec; - if (platform->probe) { - ret = platform->probe(pdev); - if (ret < 0) - goto platform_err; + /* probe the CODEC */ + if (!codec->probed) { + if (codec->driver->probe) { + ret = codec->driver->probe(codec); + if (ret < 0) { + printk(KERN_ERR "asoc: failed to probe CODEC %s\n", + codec->name); + return ret; + } + } + + soc_init_codec_debugfs(codec); + + /* mark codec as probed and add to card codec list */ + codec->probed = 1; + list_add(&codec->card_list, &card->codec_dev_list); } - /* DAPM stream work */ - INIT_DELAYED_WORK(&card->delayed_work, close_delayed_work); -#ifdef CONFIG_PM - /* deferred resume work */ - INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); -#endif + /* probe the platform */ + if (!platform->probed) { + if (platform->driver->probe) { + ret = platform->driver->probe(platform); + if (ret < 0) { + printk(KERN_ERR "asoc: failed to probe platform %s\n", + platform->name); + return ret; + } + } + /* mark platform as probed and add to card platform list */ + platform->probed = 1; + list_add(&platform->card_list, &card->platform_dev_list); + } - for (i = 0; i < card->num_links; i++) { - if (card->dai_link[i].init) { - ret = card->dai_link[i].init(codec); + /* probe the CODEC DAI */ + if (!codec_dai->probed) { + if (codec_dai->driver->probe) { + ret = codec_dai->driver->probe(codec_dai); if (ret < 0) { - printk(KERN_ERR "asoc: failed to init %s\n", - card->dai_link[i].stream_name); - continue; + printk(KERN_ERR "asoc: failed to probe CODEC DAI %s\n", + codec_dai->name); + return ret; } } - if (card->dai_link[i].codec_dai->ac97_control) - ac97 = 1; + + /* mark cpu_dai as probed and add to card cpu_dai list */ + codec_dai->probed = 1; + list_add(&codec_dai->card_list, &card->dai_dev_list); } - snprintf(codec->card->shortname, sizeof(codec->card->shortname), - "%s", card->name); - snprintf(codec->card->longname, sizeof(codec->card->longname), - "%s (%s)", card->name, codec->name); + /* DAPM dai link stream work */ + INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work); + + /* now that all clients have probed, initialise the DAI link */ + if (dai_link->init) { + ret = dai_link->init(rtd); + if (ret < 0) { + printk(KERN_ERR "asoc: failed to init %s\n", dai_link->stream_name); + return ret; + } + } /* Make sure all DAPM widgets are instantiated */ snd_soc_dapm_new_widgets(codec); + snd_soc_dapm_sync(codec); - ret = snd_card_register(codec->card); + /* register the rtd device */ + rtd->dev.release = rtd_release; + rtd->dev.init_name = dai_link->name; + ret = device_register(&rtd->dev); if (ret < 0) { - printk(KERN_ERR "asoc: failed to register soundcard for %s\n", - codec->name); - goto card_err; + printk(KERN_ERR "asoc: failed to register DAI runtime device %d\n", ret); + return ret; } - mutex_lock(&codec->mutex); + rtd->dev_registered = 1; + ret = device_create_file(&rtd->dev, &dev_attr_pmdown_time); + if (ret < 0) + printk(KERN_WARNING "asoc: failed to add pmdown_time sysfs\n"); + + /* add DAPM sysfs entries for this codec */ + ret = snd_soc_dapm_sys_add(&rtd->dev); + if (ret < 0) + printk(KERN_WARNING "asoc: failed to add codec dapm sysfs entries\n"); + + /* add codec sysfs entries */ + ret = device_create_file(&rtd->dev, &dev_attr_codec_reg); + if (ret < 0) + printk(KERN_WARNING "asoc: failed to add codec sysfs files\n"); + + /* 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; + } + + /* add platform data for AC97 devices */ + if (rtd->codec_dai->driver->ac97_control) + snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata); + + return 0; +} + #ifdef CONFIG_SND_SOC_AC97_BUS +static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) +{ + int ret; + /* Only instantiate AC97 if not already done by the adaptor * for the generic AC97 subsystem. */ - if (ac97 && strcmp(codec->name, "AC97") != 0) { - ret = soc_ac97_dev_register(codec); + if (rtd->codec_dai->driver->ac97_control && !rtd->codec->ac97_registered) { + /* + * It is possible that the AC97 device is already registered to + * the device subsystem. This happens when the device is created + * via snd_ac97_mixer(). Currently only SoC codec that does so + * is the generic AC97 glue but others migh emerge. + * + * In those cases we don't try to register the device again. + */ + if (!rtd->codec->ac97_created) + return 0; + + ret = soc_ac97_dev_register(rtd->codec); if (ret < 0) { printk(KERN_ERR "asoc: AC97 device register failed\n"); - snd_card_free(codec->card); - mutex_unlock(&codec->mutex); - goto card_err; + return ret; } + + rtd->codec->ac97_registered = 1; + } + return 0; +} + +static void soc_unregister_ac97_dai_link(struct snd_soc_codec *codec) +{ + if (codec->ac97_registered) { + soc_ac97_dev_unregister(codec); + codec->ac97_registered = 0; } +} #endif - ret = snd_soc_dapm_sys_add(card->socdev->dev); - if (ret < 0) - printk(KERN_WARNING "asoc: failed to add dapm sysfs entries\n"); +static void snd_soc_instantiate_card(struct snd_soc_card *card) +{ + struct platform_device *pdev = to_platform_device(card->dev); + int ret, i; - ret = device_create_file(card->socdev->dev, &dev_attr_pmdown_time); - if (ret < 0) - printk(KERN_WARNING "asoc: failed to add pmdown_time sysfs\n"); + mutex_lock(&card->mutex); - ret = device_create_file(card->socdev->dev, &dev_attr_codec_reg); - if (ret < 0) - printk(KERN_WARNING "asoc: failed to add codec sysfs files\n"); + if (card->instantiated) { + mutex_unlock(&card->mutex); + return; + } - soc_init_codec_debugfs(codec); - mutex_unlock(&codec->mutex); + /* bind DAIs */ + for (i = 0; i < card->num_links; i++) + soc_bind_dai_link(card, i); - card->instantiated = 1; + /* bind completed ? */ + if (card->num_rtd != card->num_links) { + mutex_unlock(&card->mutex); + return; + } - return; + /* card bind complete so register a sound card */ + ret = snd_card_create(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; + } + card->snd_card->dev = card->dev; -card_err: - if (platform->remove) - platform->remove(pdev); +#ifdef CONFIG_PM + /* deferred resume work */ + INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); +#endif -platform_err: - if (codec_dev->remove) - codec_dev->remove(pdev); + /* initialise the sound card only once */ + if (card->probe) { + ret = card->probe(pdev); + if (ret < 0) + goto card_probe_error; + } -cpu_dai_err: - for (i--; i >= 0; i--) { - struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai; - if (cpu_dai->remove) - cpu_dai->remove(pdev, cpu_dai); + for (i = 0; i < card->num_links; i++) { + ret = soc_probe_dai_link(card, i); + if (ret < 0) { + pr_err("asoc: failed to instantiate card %s: %d\n", + card->name, ret); + goto probe_dai_err; + } } + snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), + "%s", card->name); + snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), + "%s", card->name); + + ret = snd_card_register(card->snd_card); + if (ret < 0) { + printk(KERN_ERR "asoc: failed to register soundcard for %s\n", card->name); + goto probe_dai_err; + } + +#ifdef CONFIG_SND_SOC_AC97_BUS + /* register any AC97 codecs */ + 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); + goto probe_dai_err; + } + } +#endif + + card->instantiated = 1; + mutex_unlock(&card->mutex); + return; + +probe_dai_err: + for (i = 0; i < card->num_links; i++) + soc_remove_dai_link(card, i); + +card_probe_error: if (card->remove) card->remove(pdev); + + snd_card_free(card->snd_card); + + mutex_unlock(&card->mutex); } /* @@ -1333,15 +1655,15 @@ static void snd_soc_instantiate_cards(void) /* probes a new socdev */ static int soc_probe(struct platform_device *pdev) { + struct snd_soc_card *card = platform_get_drvdata(pdev); int ret = 0; - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_card *card = socdev->card; - - /* Bodge while we push things out of socdev */ - card->socdev = socdev; /* Bodge while we unpick instantiation */ card->dev = &pdev->dev; + INIT_LIST_HEAD(&card->dai_dev_list); + INIT_LIST_HEAD(&card->codec_dev_list); + INIT_LIST_HEAD(&card->platform_dev_list); + ret = snd_soc_register_card(card); if (ret != 0) { dev_err(&pdev->dev, "Failed to register card\n"); @@ -1354,50 +1676,49 @@ static int soc_probe(struct platform_device *pdev) /* removes a socdev */ static int soc_remove(struct platform_device *pdev) { + struct snd_soc_card *card = platform_get_drvdata(pdev); int i; - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_card *card = socdev->card; - struct snd_soc_platform *platform = card->platform; - struct snd_soc_codec_device *codec_dev = socdev->codec_dev; - if (card->instantiated) { - run_delayed_work(&card->delayed_work); - - if (platform->remove) - platform->remove(pdev); + if (card->instantiated) { - if (codec_dev->remove) - codec_dev->remove(pdev); - - for (i = 0; i < card->num_links; i++) { - struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai; - if (cpu_dai->remove) - cpu_dai->remove(pdev, cpu_dai); + /* make sure any delayed work runs */ + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; + run_delayed_work(&rtd->delayed_work); } + /* remove and free each DAI */ + for (i = 0; i < card->num_rtd; i++) + soc_remove_dai_link(card, i); + + /* remove the card */ if (card->remove) card->remove(pdev); - } + kfree(card->rtd); + snd_card_free(card->snd_card); + } snd_soc_unregister_card(card); - return 0; } static int soc_poweroff(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_card *card = socdev->card; + struct snd_soc_card *card = platform_get_drvdata(pdev); + int i; if (!card->instantiated) return 0; /* Flush out pmdown_time work - we actually do want to run it * now, we're shutting down so no imminent restart. */ - run_delayed_work(&card->delayed_work); + for (i = 0; i < card->num_rtd; i++) { + struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; + run_delayed_work(&rtd->delayed_work); + } - snd_soc_dapm_shutdown(socdev); + snd_soc_dapm_shutdown(card); return 0; } @@ -1420,53 +1741,42 @@ static struct platform_driver soc_driver = { }; /* create a new pcm */ -static int soc_new_pcm(struct snd_soc_device *socdev, - struct snd_soc_dai_link *dai_link, int num) -{ - struct snd_soc_card *card = socdev->card; - struct snd_soc_codec *codec = card->codec; - struct snd_soc_platform *platform = card->platform; - struct snd_soc_dai *codec_dai = dai_link->codec_dai; - struct snd_soc_dai *cpu_dai = dai_link->cpu_dai; - struct snd_soc_pcm_runtime *rtd; +static int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_platform *platform = rtd->platform; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_pcm *pcm; char new_name[64]; int ret = 0, playback = 0, capture = 0; - rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime), GFP_KERNEL); - if (rtd == NULL) - return -ENOMEM; - - rtd->dai = dai_link; - rtd->socdev = socdev; - codec_dai->codec = card->codec; - /* check client and interface hw capabilities */ snprintf(new_name, sizeof(new_name), "%s %s-%d", - dai_link->stream_name, codec_dai->name, num); + rtd->dai_link->stream_name, codec_dai->name, num); - if (codec_dai->playback.channels_min) + if (codec_dai->driver->playback.channels_min) playback = 1; - if (codec_dai->capture.channels_min) + if (codec_dai->driver->capture.channels_min) capture = 1; - ret = snd_pcm_new(codec->card, new_name, codec->pcm_devs++, playback, - capture, &pcm); + dev_dbg(rtd->card->dev, "registered pcm #%d %s\n",num,new_name); + ret = snd_pcm_new(rtd->card->snd_card, new_name, + num, playback, capture, &pcm); if (ret < 0) { - printk(KERN_ERR "asoc: can't create pcm for codec %s\n", - codec->name); - kfree(rtd); + printk(KERN_ERR "asoc: can't create pcm for codec %s\n", codec->name); return ret; } - dai_link->pcm = pcm; + rtd->pcm = pcm; pcm->private_data = rtd; - soc_pcm_ops.mmap = platform->pcm_ops->mmap; - soc_pcm_ops.ioctl = platform->pcm_ops->ioctl; - soc_pcm_ops.copy = platform->pcm_ops->copy; - soc_pcm_ops.silence = platform->pcm_ops->silence; - soc_pcm_ops.ack = platform->pcm_ops->ack; - soc_pcm_ops.page = platform->pcm_ops->page; + soc_pcm_ops.mmap = platform->driver->ops->mmap; + soc_pcm_ops.pointer = platform->driver->ops->pointer; + soc_pcm_ops.ioctl = platform->driver->ops->ioctl; + soc_pcm_ops.copy = platform->driver->ops->copy; + soc_pcm_ops.silence = platform->driver->ops->silence; + soc_pcm_ops.ack = platform->driver->ops->ack; + soc_pcm_ops.page = platform->driver->ops->page; if (playback) snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &soc_pcm_ops); @@ -1474,14 +1784,13 @@ static int soc_new_pcm(struct snd_soc_device *socdev, if (capture) snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &soc_pcm_ops); - ret = platform->pcm_new(codec->card, codec_dai, pcm); + ret = platform->driver->pcm_new(rtd->card->snd_card, codec_dai, pcm); if (ret < 0) { printk(KERN_ERR "asoc: platform pcm constructor failed\n"); - kfree(rtd); return ret; } - pcm->private_free = platform->pcm_free; + pcm->private_free = platform->driver->pcm_free; printk(KERN_INFO "asoc: %s <-> %s mapping ok\n", codec_dai->name, cpu_dai->name); return ret; @@ -1497,8 +1806,8 @@ static int soc_new_pcm(struct snd_soc_device *socdev, */ int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg) { - if (codec->volatile_register) - return codec->volatile_register(reg); + if (codec->driver->volatile_register) + return codec->driver->volatile_register(reg); else return 0; } @@ -1533,7 +1842,13 @@ int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, codec->ac97->bus->ops = ops; codec->ac97->num = num; - codec->dev = &codec->ac97->dev; + + /* + * Mark the AC97 device to be created by us. This way we ensure that the + * device will be registered with the device subsystem later on. + */ + codec->ac97_created = 1; + mutex_unlock(&codec->mutex); return 0; } @@ -1548,9 +1863,13 @@ EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); 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); @@ -1634,95 +1953,6 @@ int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, EXPORT_SYMBOL_GPL(snd_soc_test_bits); /** - * snd_soc_new_pcms - create new sound card and pcms - * @socdev: the SoC audio device - * @idx: ALSA card index - * @xid: card identification - * - * Create a new sound card based upon the codec and interface pcms. - * - * Returns 0 for success, else error. - */ -int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid) -{ - struct snd_soc_card *card = socdev->card; - struct snd_soc_codec *codec = card->codec; - int ret, i; - - mutex_lock(&codec->mutex); - - /* register a sound card */ - ret = snd_card_create(idx, xid, codec->owner, 0, &codec->card); - if (ret < 0) { - printk(KERN_ERR "asoc: can't create sound card for codec %s\n", - codec->name); - mutex_unlock(&codec->mutex); - return ret; - } - - codec->socdev = socdev; - codec->card->dev = socdev->dev; - codec->card->private_data = codec; - strncpy(codec->card->driver, codec->name, sizeof(codec->card->driver)); - - /* create the pcms */ - for (i = 0; i < card->num_links; i++) { - ret = soc_new_pcm(socdev, &card->dai_link[i], i); - if (ret < 0) { - printk(KERN_ERR "asoc: can't create pcm %s\n", - card->dai_link[i].stream_name); - mutex_unlock(&codec->mutex); - return ret; - } - /* Check for codec->ac97 to handle the ac97.c fun */ - if (card->dai_link[i].codec_dai->ac97_control && codec->ac97) { - snd_ac97_dev_add_pdata(codec->ac97, - card->dai_link[i].cpu_dai->ac97_pdata); - } - } - - mutex_unlock(&codec->mutex); - return ret; -} -EXPORT_SYMBOL_GPL(snd_soc_new_pcms); - -/** - * snd_soc_free_pcms - free sound card and pcms - * @socdev: the SoC audio device - * - * Frees sound card and pcms associated with the socdev. - * Also unregister the codec if it is an AC97 device. - */ -void snd_soc_free_pcms(struct snd_soc_device *socdev) -{ - struct snd_soc_codec *codec = socdev->card->codec; -#ifdef CONFIG_SND_SOC_AC97_BUS - struct snd_soc_dai *codec_dai; - int i; -#endif - - mutex_lock(&codec->mutex); - soc_cleanup_codec_debugfs(codec); -#ifdef CONFIG_SND_SOC_AC97_BUS - for (i = 0; i < codec->num_dai; i++) { - codec_dai = &codec->dai[i]; - if (codec_dai->ac97_control && codec->ac97 && - strcmp(codec->name, "AC97") != 0) { - soc_ac97_dev_unregister(codec); - goto free_card; - } - } -free_card: -#endif - - if (codec->card) - snd_card_free(codec->card); - device_remove_file(socdev->dev, &dev_attr_codec_reg); - mutex_unlock(&codec->mutex); -} -EXPORT_SYMBOL_GPL(snd_soc_free_pcms); - -/** * snd_soc_set_runtime_hwparams - set the runtime hardware parameters * @substream: the pcm substream * @hw: the hardware parameters @@ -1783,15 +2013,15 @@ EXPORT_SYMBOL_GPL(snd_soc_cnew); int snd_soc_add_controls(struct snd_soc_codec *codec, const struct snd_kcontrol_new *controls, int num_controls) { - struct snd_card *card = codec->card; + 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, NULL)); if (err < 0) { - dev_err(codec->dev, "%s: Failed to add %s\n", - codec->name, control->name); + dev_err(codec->dev, "%s: Failed to add %s: %d\n", + codec->name, control->name, err); return err; } } @@ -2338,7 +2568,7 @@ EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); int snd_soc_limit_volume(struct snd_soc_codec *codec, const char *name, int max) { - struct snd_card *card = codec->card; + struct snd_card *card = codec->card->snd_card; struct snd_kcontrol *kctl; struct soc_mixer_control *mc; int found = 0; @@ -2470,8 +2700,8 @@ EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r_sx); int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { - if (dai->ops && dai->ops->set_sysclk) - return dai->ops->set_sysclk(dai, clk_id, freq, dir); + if (dai->driver && dai->driver->ops->set_sysclk) + return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); else return -EINVAL; } @@ -2490,8 +2720,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, int div_id, int div) { - if (dai->ops && dai->ops->set_clkdiv) - return dai->ops->set_clkdiv(dai, div_id, div); + if (dai->driver && dai->driver->ops->set_clkdiv) + return dai->driver->ops->set_clkdiv(dai, div_id, div); else return -EINVAL; } @@ -2510,8 +2740,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, unsigned int freq_in, unsigned int freq_out) { - if (dai->ops && dai->ops->set_pll) - return dai->ops->set_pll(dai, pll_id, source, + if (dai->driver && dai->driver->ops->set_pll) + return dai->driver->ops->set_pll(dai, pll_id, source, freq_in, freq_out); else return -EINVAL; @@ -2527,8 +2757,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); */ int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { - if (dai->ops && dai->ops->set_fmt) - return dai->ops->set_fmt(dai, fmt); + if (dai->driver && dai->driver->ops->set_fmt) + return dai->driver->ops->set_fmt(dai, fmt); else return -EINVAL; } @@ -2548,8 +2778,8 @@ 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->ops && dai->ops->set_tdm_slot) - return dai->ops->set_tdm_slot(dai, 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; @@ -2572,8 +2802,8 @@ int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, unsigned int tx_num, unsigned int *tx_slot, unsigned int rx_num, unsigned int *rx_slot) { - if (dai->ops && dai->ops->set_channel_map) - return dai->ops->set_channel_map(dai, tx_num, tx_slot, + if (dai->driver && dai->driver->ops->set_channel_map) + return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, rx_num, rx_slot); else return -EINVAL; @@ -2589,8 +2819,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); */ int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) { - if (dai->ops && dai->ops->set_tristate) - return dai->ops->set_tristate(dai, tristate); + if (dai->driver && dai->driver->ops->set_tristate) + return dai->driver->ops->set_tristate(dai, tristate); else return -EINVAL; } @@ -2605,8 +2835,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); */ int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute) { - if (dai->ops && dai->ops->digital_mute) - return dai->ops->digital_mute(dai, mute); + if (dai->driver && dai->driver->ops->digital_mute) + return dai->driver->ops->digital_mute(dai, mute); else return -EINVAL; } @@ -2623,11 +2853,22 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); */ static int snd_soc_register_card(struct snd_soc_card *card) { + int i; + if (!card->name || !card->dev) return -EINVAL; + card->rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime) * card->num_links, + GFP_KERNEL); + if (card->rtd == NULL) + return -ENOMEM; + + for (i = 0; i < card->num_links; i++) + card->rtd[i].dai_link = &card->dai_link[i]; + INIT_LIST_HEAD(&card->list); card->instantiated = 0; + mutex_init(&card->mutex); mutex_lock(&client_mutex); list_add(&card->list, &card_list); @@ -2653,30 +2894,97 @@ static int snd_soc_unregister_card(struct snd_soc_card *card) mutex_lock(&client_mutex); list_del(&card->list); mutex_unlock(&client_mutex); - dev_dbg(card->dev, "Unregistered card '%s'\n", card->name); return 0; } +/* + * Simplify DAI link configuration by removing ".-1" from device names + * and sanitizing names. + */ +static inline char *fmt_single_name(struct device *dev, int *id) +{ + char *found, name[NAME_SIZE]; + int id1, id2; + + if (dev_name(dev) == NULL) + return NULL; + + strncpy(name, dev_name(dev), NAME_SIZE); + + /* are we a "%s.%d" name (platform and SPI components) */ + found = strstr(name, dev->driver->name); + if (found) { + /* get ID */ + if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { + + /* discard ID from name if ID == -1 */ + if (*id == -1) + found[strlen(dev->driver->name)] = '\0'; + } + + } else { + /* I2C component devices are named "bus-addr" */ + if (sscanf(name, "%x-%x", &id1, &id2) == 2) { + char tmp[NAME_SIZE]; + + /* create unique ID number from I2C addr and bus */ + *id = ((id1 & 0xffff) << 16) + id2; + + /* sanitize component name for DAI link creation */ + snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); + strncpy(name, tmp, NAME_SIZE); + } else + *id = 0; + } + + return kstrdup(name, GFP_KERNEL); +} + +/* + * Simplify DAI link naming for single devices with multiple DAIs by removing + * any ".-1" and using the DAI name (instead of device name). + */ +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)); + return NULL; + } + + return kstrdup(dai_drv->name, GFP_KERNEL); +} + /** * snd_soc_register_dai - Register a DAI with the ASoC core * * @dai: DAI to register */ -int snd_soc_register_dai(struct snd_soc_dai *dai) +int snd_soc_register_dai(struct device *dev, + struct snd_soc_dai_driver *dai_drv) { - if (!dai->name) - return -EINVAL; + struct snd_soc_dai *dai; + + dev_dbg(dev, "dai register %s\n", dev_name(dev)); - /* The device should become mandatory over time */ - if (!dai->dev) - printk(KERN_WARNING "No device for DAI %s\n", dai->name); + dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); + if (dai == NULL) + return -ENOMEM; - if (!dai->ops) - dai->ops = &null_dai_ops; + /* create DAI component name */ + dai->name = fmt_single_name(dev, &dai->id); + if (dai->name == NULL) { + kfree(dai); + return -ENOMEM; + } - INIT_LIST_HEAD(&dai->list); + 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); @@ -2694,13 +3002,24 @@ EXPORT_SYMBOL_GPL(snd_soc_register_dai); * * @dai: DAI to unregister */ -void snd_soc_unregister_dai(struct snd_soc_dai *dai) +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); @@ -2710,21 +3029,50 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_dai); * @dai: Array of DAIs to register * @count: Number of DAIs */ -int snd_soc_register_dais(struct snd_soc_dai *dai, size_t count) +int snd_soc_register_dais(struct device *dev, + struct snd_soc_dai_driver *dai_drv, size_t count) { - int i, ret; + struct snd_soc_dai *dai; + int i, ret = 0; + + dev_dbg(dev, "dai register %s #%Zu\n", dev_name(dev), count); for (i = 0; i < count; i++) { - ret = snd_soc_register_dai(&dai[i]); - if (ret != 0) + + dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); + if (dai == NULL) + return -ENOMEM; + + /* create DAI component name */ + dai->name = fmt_multiple_name(dev, &dai_drv[i]); + if (dai->name == NULL) { + kfree(dai); + ret = -EINVAL; goto err; + } + + dai->dev = dev; + dai->driver = &dai_drv[i]; + if (dai->driver->id) + dai->id = dai->driver->id; + else + dai->id = i; + if (!dai->driver->ops) + dai->driver->ops = &null_dai_ops; + + mutex_lock(&client_mutex); + list_add(&dai->list, &dai_list); + mutex_unlock(&client_mutex); + + pr_debug("Registered DAI '%s'\n", dai->name); } + snd_soc_instantiate_cards(); return 0; err: for (i--; i >= 0; i--) - snd_soc_unregister_dai(&dai[i]); + snd_soc_unregister_dai(dev); return ret; } @@ -2736,12 +3084,12 @@ EXPORT_SYMBOL_GPL(snd_soc_register_dais); * @dai: Array of DAIs to unregister * @count: Number of DAIs */ -void snd_soc_unregister_dais(struct snd_soc_dai *dai, size_t count) +void snd_soc_unregister_dais(struct device *dev, size_t count) { int i; for (i = 0; i < count; i++) - snd_soc_unregister_dai(&dai[i]); + snd_soc_unregister_dai(dev); } EXPORT_SYMBOL_GPL(snd_soc_unregister_dais); @@ -2750,12 +3098,26 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_dais); * * @platform: platform to register */ -int snd_soc_register_platform(struct snd_soc_platform *platform) +int snd_soc_register_platform(struct device *dev, + struct snd_soc_platform_driver *platform_drv) { - if (!platform->name) - return -EINVAL; + struct snd_soc_platform *platform; + + dev_dbg(dev, "platform register %s\n", dev_name(dev)); - INIT_LIST_HEAD(&platform->list); + platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); + if (platform == NULL) + return -ENOMEM; + + /* create platform component name */ + platform->name = fmt_single_name(dev, &platform->id); + if (platform->name == NULL) { + kfree(platform); + return -ENOMEM; + } + + platform->dev = dev; + platform->driver = platform_drv; mutex_lock(&client_mutex); list_add(&platform->list, &platform_list); @@ -2773,13 +3135,24 @@ EXPORT_SYMBOL_GPL(snd_soc_register_platform); * * @platform: platform to unregister */ -void snd_soc_unregister_platform(struct snd_soc_platform *platform) +void snd_soc_unregister_platform(struct device *dev) { + struct snd_soc_platform *platform; + + list_for_each_entry(platform, &platform_list, list) { + if (dev == platform->dev) + goto found; + } + return; + +found: mutex_lock(&client_mutex); list_del(&platform->list); mutex_unlock(&client_mutex); pr_debug("Unregistered platform '%s'\n", platform->name); + kfree(platform->name); + kfree(platform); } EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); @@ -2821,22 +3194,61 @@ static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) * * @codec: codec to register */ -int snd_soc_register_codec(struct snd_soc_codec *codec) +int snd_soc_register_codec(struct device *dev, + struct snd_soc_codec_driver *codec_drv, + struct snd_soc_dai_driver *dai_drv, int num_dai) { - int i; + struct snd_soc_codec *codec; + int ret, i; - if (!codec->name) - return -EINVAL; + dev_dbg(dev, "codec register %s\n", dev_name(dev)); + + codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); + if (codec == NULL) + return -ENOMEM; + + /* create CODEC component name */ + codec->name = fmt_single_name(dev, &codec->id); + if (codec->name == NULL) { + kfree(codec); + return -ENOMEM; + } - /* The device should become mandatory over time */ - if (!codec->dev) - printk(KERN_WARNING "No device for codec %s\n", codec->name); + /* allocate CODEC register cache */ + if (codec_drv->reg_cache_size && codec_drv->reg_word_size) { - INIT_LIST_HEAD(&codec->list); + if (codec_drv->reg_cache_default) + codec->reg_cache = kmemdup(codec_drv->reg_cache_default, + codec_drv->reg_cache_size * codec_drv->reg_word_size, GFP_KERNEL); + else + codec->reg_cache = kzalloc(codec_drv->reg_cache_size * + codec_drv->reg_word_size, GFP_KERNEL); - for (i = 0; i < codec->num_dai; i++) { - fixup_codec_formats(&codec->dai[i].playback); - fixup_codec_formats(&codec->dai[i].capture); + if (codec->reg_cache == NULL) { + kfree(codec->name); + kfree(codec); + return -ENOMEM; + } + } + + codec->dev = dev; + codec->driver = codec_drv; + codec->bias_level = SND_SOC_BIAS_OFF; + codec->num_dai = num_dai; + mutex_init(&codec->mutex); + INIT_LIST_HEAD(&codec->dapm_widgets); + INIT_LIST_HEAD(&codec->dapm_paths); + + 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 error; } mutex_lock(&client_mutex); @@ -2845,8 +3257,17 @@ int snd_soc_register_codec(struct snd_soc_codec *codec) mutex_unlock(&client_mutex); pr_debug("Registered codec '%s'\n", codec->name); - return 0; + +error: + for (i--; i >= 0; i--) + snd_soc_unregister_dai(dev); + + if (codec->reg_cache) + kfree(codec->reg_cache); + kfree(codec->name); + kfree(codec); + return ret; } EXPORT_SYMBOL_GPL(snd_soc_register_codec); @@ -2855,13 +3276,32 @@ EXPORT_SYMBOL_GPL(snd_soc_register_codec); * * @codec: codec to unregister */ -void snd_soc_unregister_codec(struct snd_soc_codec *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) + goto found; + } + return; + +found: + if (codec->num_dai) + for (i = 0; i < codec->num_dai; i++) + snd_soc_unregister_dai(dev); + mutex_lock(&client_mutex); list_del(&codec->list); mutex_unlock(&client_mutex); pr_debug("Unregistered codec '%s'\n", codec->name); + + if (codec->reg_cache) + kfree(codec->reg_cache); + kfree(codec->name); + kfree(codec); } EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); @@ -2874,10 +3314,23 @@ static int __init snd_soc_init(void) "ASoC: Failed to create debugfs directory\n"); debugfs_root = NULL; } + + if (!debugfs_create_file("codecs", 0444, debugfs_root, NULL, + &codec_list_fops)) + pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); + + if (!debugfs_create_file("dais", 0444, debugfs_root, NULL, + &dai_list_fops)) + pr_warn("ASoC: Failed to create DAI list debugfs file\n"); + + if (!debugfs_create_file("platforms", 0444, debugfs_root, NULL, + &platform_list_fops)) + pr_warn("ASoC: Failed to create platform list debugfs file\n"); #endif return platform_driver_register(&soc_driver); } +module_init(snd_soc_init); static void __exit snd_soc_exit(void) { @@ -2886,8 +3339,6 @@ static void __exit snd_soc_exit(void) #endif platform_driver_unregister(&soc_driver); } - -module_init(snd_soc_init); module_exit(snd_soc_exit); /* Module information */ |