diff options
Diffstat (limited to 'sound/soc/omap/ams-delta.c')
| -rw-r--r-- | sound/soc/omap/ams-delta.c | 235 |
1 files changed, 93 insertions, 142 deletions
diff --git a/sound/soc/omap/ams-delta.c b/sound/soc/omap/ams-delta.c index a67f4370bc9..0cc41f94de4 100644 --- a/sound/soc/omap/ams-delta.c +++ b/sound/soc/omap/ams-delta.c @@ -32,14 +32,12 @@ #include <asm/mach-types.h> -#include <plat/board-ams-delta.h> -#include <plat/mcbsp.h> +#include <mach/board-ams-delta.h> +#include <linux/platform_data/asoc-ti-mcbsp.h> #include "omap-mcbsp.h" -#include "omap-pcm.h" #include "../codecs/cx20442.h" - /* Board specific DAPM widgets */ static const struct snd_soc_dapm_widget ams_delta_dapm_widgets[] = { /* Handset */ @@ -91,73 +89,81 @@ static const unsigned short ams_delta_audio_mode_pins[] = { static unsigned short ams_delta_audio_agc; +/* + * Used for passing a codec structure pointer + * from the board initialization code to the tty line discipline. + */ +static struct snd_soc_codec *cx20442_codec; + static int ams_delta_set_audio_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - struct snd_soc_dapm_context *dapm = &codec->dapm; + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + struct snd_soc_dapm_context *dapm = &card->dapm; struct soc_enum *control = (struct soc_enum *)kcontrol->private_value; unsigned short pins; int pin, changed = 0; /* Refuse any mode changes if we are not able to control the codec. */ - if (!codec->hw_write) + if (!cx20442_codec->hw_write) return -EUNATCH; - if (ucontrol->value.enumerated.item[0] >= control->max) + if (ucontrol->value.enumerated.item[0] >= control->items) return -EINVAL; - mutex_lock(&codec->mutex); + snd_soc_dapm_mutex_lock(dapm); /* Translate selection to bitmap */ pins = ams_delta_audio_mode_pins[ucontrol->value.enumerated.item[0]]; /* Setup pins after corresponding bits if changed */ pin = !!(pins & (1 << AMS_DELTA_MOUTHPIECE)); + if (pin != snd_soc_dapm_get_pin_status(dapm, "Mouthpiece")) { changed = 1; if (pin) - snd_soc_dapm_enable_pin(dapm, "Mouthpiece"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Mouthpiece"); else - snd_soc_dapm_disable_pin(dapm, "Mouthpiece"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Mouthpiece"); } pin = !!(pins & (1 << AMS_DELTA_EARPIECE)); if (pin != snd_soc_dapm_get_pin_status(dapm, "Earpiece")) { changed = 1; if (pin) - snd_soc_dapm_enable_pin(dapm, "Earpiece"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Earpiece"); else - snd_soc_dapm_disable_pin(dapm, "Earpiece"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Earpiece"); } pin = !!(pins & (1 << AMS_DELTA_MICROPHONE)); if (pin != snd_soc_dapm_get_pin_status(dapm, "Microphone")) { changed = 1; if (pin) - snd_soc_dapm_enable_pin(dapm, "Microphone"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Microphone"); else - snd_soc_dapm_disable_pin(dapm, "Microphone"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Microphone"); } pin = !!(pins & (1 << AMS_DELTA_SPEAKER)); if (pin != snd_soc_dapm_get_pin_status(dapm, "Speaker")) { changed = 1; if (pin) - snd_soc_dapm_enable_pin(dapm, "Speaker"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Speaker"); else - snd_soc_dapm_disable_pin(dapm, "Speaker"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker"); } pin = !!(pins & (1 << AMS_DELTA_AGC)); if (pin != ams_delta_audio_agc) { ams_delta_audio_agc = pin; changed = 1; if (pin) - snd_soc_dapm_enable_pin(dapm, "AGCIN"); + snd_soc_dapm_enable_pin_unlocked(dapm, "AGCIN"); else - snd_soc_dapm_disable_pin(dapm, "AGCIN"); + snd_soc_dapm_disable_pin_unlocked(dapm, "AGCIN"); } + if (changed) - snd_soc_dapm_sync(dapm); + snd_soc_dapm_sync_unlocked(dapm); - mutex_unlock(&codec->mutex); + snd_soc_dapm_mutex_unlock(dapm); return changed; } @@ -165,8 +171,8 @@ static int ams_delta_set_audio_mode(struct snd_kcontrol *kcontrol, static int ams_delta_get_audio_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - struct snd_soc_dapm_context *dapm = &codec->dapm; + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + struct snd_soc_dapm_context *dapm = &card->dapm; unsigned short pins, mode; pins = ((snd_soc_dapm_get_pin_status(dapm, "Mouthpiece") << @@ -195,13 +201,11 @@ static int ams_delta_get_audio_mode(struct snd_kcontrol *kcontrol, return 0; } -static const struct soc_enum ams_delta_audio_enum[] = { - SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(ams_delta_audio_mode), - ams_delta_audio_mode), -}; +static const SOC_ENUM_SINGLE_EXT_DECL(ams_delta_audio_enum, + ams_delta_audio_mode); static const struct snd_kcontrol_new ams_delta_audio_controls[] = { - SOC_ENUM_EXT("Audio Mode", ams_delta_audio_enum[0], + SOC_ENUM_EXT("Audio Mode", ams_delta_audio_enum, ams_delta_get_audio_mode, ams_delta_set_audio_mode), }; @@ -271,12 +275,6 @@ static void cx81801_timeout(unsigned long data) ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC, 0); } -/* - * Used for passing a codec structure pointer - * from the board initialization code to the tty line discipline. - */ -static struct snd_soc_codec *cx20442_codec; - /* Line discipline .open() */ static int cx81801_open(struct tty_struct *tty) { @@ -303,7 +301,7 @@ static int cx81801_open(struct tty_struct *tty) static void cx81801_close(struct tty_struct *tty) { struct snd_soc_codec *codec = tty->disc_data; - struct snd_soc_dapm_context *dapm = &codec->dapm; + struct snd_soc_dapm_context *dapm = &codec->card->dapm; del_timer_sync(&cx81801_timer); @@ -316,12 +314,17 @@ static void cx81801_close(struct tty_struct *tty) v253_ops.close(tty); /* Revert back to default audio input/output constellation */ - snd_soc_dapm_disable_pin(dapm, "Mouthpiece"); - snd_soc_dapm_enable_pin(dapm, "Earpiece"); - snd_soc_dapm_enable_pin(dapm, "Microphone"); - snd_soc_dapm_disable_pin(dapm, "Speaker"); - snd_soc_dapm_disable_pin(dapm, "AGCIN"); - snd_soc_dapm_sync(dapm); + snd_soc_dapm_mutex_lock(dapm); + + snd_soc_dapm_disable_pin_unlocked(dapm, "Mouthpiece"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Earpiece"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Microphone"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker"); + snd_soc_dapm_disable_pin_unlocked(dapm, "AGCIN"); + + snd_soc_dapm_sync_unlocked(dapm); + + snd_soc_dapm_mutex_unlock(dapm); } /* Line discipline .hangup() */ @@ -426,29 +429,6 @@ static struct snd_soc_ops ams_delta_ops = { }; -/* Board specific codec bias level control */ -static int ams_delta_set_bias_level(struct snd_soc_card *card, - struct snd_soc_dapm_context *dapm, - enum snd_soc_bias_level level) -{ - switch (level) { - case SND_SOC_BIAS_ON: - case SND_SOC_BIAS_PREPARE: - case SND_SOC_BIAS_STANDBY: - if (card->dapm.bias_level == SND_SOC_BIAS_OFF) - ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_NRESET, - AMS_DELTA_LATCH2_MODEM_NRESET); - break; - case SND_SOC_BIAS_OFF: - if (card->dapm.bias_level != SND_SOC_BIAS_OFF) - ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_NRESET, - 0); - } - card->dapm.bias_level = level; - - return 0; -} - /* Digital mute implemented using modem/CPU multiplexer. * Shares hardware with codec config pulse generation */ static bool ams_delta_muted = 1; @@ -494,15 +474,14 @@ static void ams_delta_shutdown(struct snd_pcm_substream *substream) static int ams_delta_cx20442_init(struct snd_soc_pcm_runtime *rtd) { - struct snd_soc_codec *codec = rtd->codec; - struct snd_soc_dapm_context *dapm = &codec->dapm; struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_card *card = rtd->card; + struct snd_soc_dapm_context *dapm = &card->dapm; int ret; /* Codec is ready, now add/activate board specific controls */ /* Store a pointer to the codec structure for tty ldisc use */ - cx20442_codec = codec; + cx20442_codec = rtd->codec; /* Set up digital mute if not provided by the codec */ if (!codec_dai->driver->ops) { @@ -512,9 +491,6 @@ static int ams_delta_cx20442_init(struct snd_soc_pcm_runtime *rtd) ams_delta_ops.shutdown = ams_delta_shutdown; } - /* Set codec bias level */ - ams_delta_set_bias_level(card, dapm, SND_SOC_BIAS_STANDBY); - /* Add hook switch - can be used to control the codec from userspace * even if line discipline fails */ ret = snd_soc_jack_new(rtd->codec, "hook_switch", @@ -542,40 +518,20 @@ static int ams_delta_cx20442_init(struct snd_soc_pcm_runtime *rtd) return 0; } - /* Add board specific DAPM widgets and routes */ - ret = snd_soc_dapm_new_controls(dapm, ams_delta_dapm_widgets, - ARRAY_SIZE(ams_delta_dapm_widgets)); - if (ret) { - dev_warn(card->dev, - "Failed to register DAPM controls, " - "will continue without any.\n"); - return 0; - } - - ret = snd_soc_dapm_add_routes(dapm, ams_delta_audio_map, - ARRAY_SIZE(ams_delta_audio_map)); - if (ret) { - dev_warn(card->dev, - "Failed to set up DAPM routes, " - "will continue with codec default map.\n"); - return 0; - } - /* Set up initial pin constellation */ snd_soc_dapm_disable_pin(dapm, "Mouthpiece"); - snd_soc_dapm_enable_pin(dapm, "Earpiece"); - snd_soc_dapm_enable_pin(dapm, "Microphone"); snd_soc_dapm_disable_pin(dapm, "Speaker"); snd_soc_dapm_disable_pin(dapm, "AGCIN"); snd_soc_dapm_disable_pin(dapm, "AGCOUT"); - /* Add virtual switch */ - ret = snd_soc_add_controls(codec, ams_delta_audio_controls, - ARRAY_SIZE(ams_delta_audio_controls)); - if (ret) - dev_warn(card->dev, - "Failed to register audio mode control, " - "will continue without it.\n"); + return 0; +} + +static int ams_delta_card_remove(struct snd_soc_card *card) +{ + snd_soc_jack_free_gpios(&ams_delta_hook_switch, + ARRAY_SIZE(ams_delta_hook_switch_gpios), + ams_delta_hook_switch_gpios); return 0; } @@ -584,10 +540,10 @@ static int ams_delta_cx20442_init(struct snd_soc_pcm_runtime *rtd) static struct snd_soc_dai_link ams_delta_dai_link = { .name = "CX20442", .stream_name = "CX20442", - .cpu_dai_name ="omap-mcbsp-dai.0", + .cpu_dai_name = "omap-mcbsp.1", .codec_dai_name = "cx20442-voice", .init = ams_delta_cx20442_init, - .platform_name = "omap-pcm-audio", + .platform_name = "omap-mcbsp.1", .codec_name = "cx20442-codec", .ops = &ams_delta_ops, }; @@ -596,67 +552,62 @@ static struct snd_soc_dai_link ams_delta_dai_link = { static struct snd_soc_card ams_delta_audio_card = { .name = "AMS_DELTA", .owner = THIS_MODULE, + .remove = ams_delta_card_remove, .dai_link = &ams_delta_dai_link, .num_links = 1, - .set_bias_level = ams_delta_set_bias_level, + + .controls = ams_delta_audio_controls, + .num_controls = ARRAY_SIZE(ams_delta_audio_controls), + .dapm_widgets = ams_delta_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(ams_delta_dapm_widgets), + .dapm_routes = ams_delta_audio_map, + .num_dapm_routes = ARRAY_SIZE(ams_delta_audio_map), }; /* Module init/exit */ -static struct platform_device *ams_delta_audio_platform_device; -static struct platform_device *cx20442_platform_device; - -static int __init ams_delta_module_init(void) +static int ams_delta_probe(struct platform_device *pdev) { + struct snd_soc_card *card = &ams_delta_audio_card; int ret; - if (!(machine_is_ams_delta())) - return -ENODEV; - - ams_delta_audio_platform_device = - platform_device_alloc("soc-audio", -1); - if (!ams_delta_audio_platform_device) - return -ENOMEM; - - platform_set_drvdata(ams_delta_audio_platform_device, - &ams_delta_audio_card); + card->dev = &pdev->dev; - ret = platform_device_add(ams_delta_audio_platform_device); - if (ret) - goto err; - - /* - * Codec platform device could be registered from elsewhere (board?), - * but I do it here as it makes sense only if used with the card. - */ - cx20442_platform_device = - platform_device_register_simple("cx20442-codec", -1, NULL, 0); + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); + card->dev = NULL; + return ret; + } return 0; -err: - platform_device_put(ams_delta_audio_platform_device); - return ret; } -module_init(ams_delta_module_init); -static void __exit ams_delta_module_exit(void) +static int ams_delta_remove(struct platform_device *pdev) { + struct snd_soc_card *card = platform_get_drvdata(pdev); + if (tty_unregister_ldisc(N_V253) != 0) - dev_warn(&ams_delta_audio_platform_device->dev, + dev_warn(&pdev->dev, "failed to unregister V253 line discipline\n"); - snd_soc_jack_free_gpios(&ams_delta_hook_switch, - ARRAY_SIZE(ams_delta_hook_switch_gpios), - ams_delta_hook_switch_gpios); + snd_soc_unregister_card(card); + card->dev = NULL; + return 0; +} - /* Keep modem power on */ - ams_delta_set_bias_level(&ams_delta_audio_card, - &ams_delta_audio_card.rtd[0].codec->dapm, - SND_SOC_BIAS_STANDBY); +#define DRV_NAME "ams-delta-audio" - platform_device_unregister(cx20442_platform_device); - platform_device_unregister(ams_delta_audio_platform_device); -} -module_exit(ams_delta_module_exit); +static struct platform_driver ams_delta_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, + .probe = ams_delta_probe, + .remove = ams_delta_remove, +}; + +module_platform_driver(ams_delta_driver); MODULE_AUTHOR("Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>"); MODULE_DESCRIPTION("ALSA SoC driver for Amstrad E3 (Delta) videophone"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRV_NAME); |
