diff options
author | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
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committer | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
commit | ed03f430cdc8c802652467e9097606fedc2c7abc (patch) | |
tree | 30941ec1e6f93e99358fefe18175e5dd800a4379 /sound/drivers/serial-u16550.c | |
parent | ed349a8a0a780ed27e2a765f16cee54d9b63bfee (diff) | |
parent | 6f957eaf79356a32e838f5f262ee9a60544b1d5b (diff) | |
download | op-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.zip op-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.tar.gz |
Pull pnpacpi into acpica branch
Diffstat (limited to 'sound/drivers/serial-u16550.c')
-rw-r--r-- | sound/drivers/serial-u16550.c | 122 |
1 files changed, 78 insertions, 44 deletions
diff --git a/sound/drivers/serial-u16550.c b/sound/drivers/serial-u16550.c index 1ed58df..29676d8 100644 --- a/sound/drivers/serial-u16550.c +++ b/sound/drivers/serial-u16550.c @@ -33,6 +33,8 @@ #include <sound/driver.h> #include <linux/init.h> #include <linux/interrupt.h> +#include <linux/err.h> +#include <linux/platform_device.h> #include <linux/slab.h> #include <linux/ioport.h> #include <linux/moduleparam.h> @@ -116,10 +118,10 @@ MODULE_PARM_DESC(adaptor, "Type of adaptor."); #define SERIAL_MODE_OUTPUT_TRIGGERED (1 << 3) typedef struct _snd_uart16550 { - snd_card_t *card; - snd_rawmidi_t *rmidi; - snd_rawmidi_substream_t *midi_output[SNDRV_SERIAL_MAX_OUTS]; - snd_rawmidi_substream_t *midi_input[SNDRV_SERIAL_MAX_INS]; + struct snd_card *card; + struct snd_rawmidi *rmidi; + struct snd_rawmidi_substream *midi_output[SNDRV_SERIAL_MAX_OUTS]; + struct snd_rawmidi_substream *midi_input[SNDRV_SERIAL_MAX_INS]; int filemode; //open status of file @@ -166,7 +168,7 @@ typedef struct _snd_uart16550 { } snd_uart16550_t; -static snd_card_t *snd_serial_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; +static struct platform_device *devices[SNDRV_CARDS]; static inline void snd_uart16550_add_timer(snd_uart16550_t *uart) { @@ -509,7 +511,7 @@ static void snd_uart16550_do_close(snd_uart16550_t * uart) } } -static int snd_uart16550_input_open(snd_rawmidi_substream_t * substream) +static int snd_uart16550_input_open(struct snd_rawmidi_substream *substream) { unsigned long flags; snd_uart16550_t *uart = substream->rmidi->private_data; @@ -523,7 +525,7 @@ static int snd_uart16550_input_open(snd_rawmidi_substream_t * substream) return 0; } -static int snd_uart16550_input_close(snd_rawmidi_substream_t * substream) +static int snd_uart16550_input_close(struct snd_rawmidi_substream *substream) { unsigned long flags; snd_uart16550_t *uart = substream->rmidi->private_data; @@ -537,7 +539,7 @@ static int snd_uart16550_input_close(snd_rawmidi_substream_t * substream) return 0; } -static void snd_uart16550_input_trigger(snd_rawmidi_substream_t * substream, int up) +static void snd_uart16550_input_trigger(struct snd_rawmidi_substream *substream, int up) { unsigned long flags; snd_uart16550_t *uart = substream->rmidi->private_data; @@ -551,7 +553,7 @@ static void snd_uart16550_input_trigger(snd_rawmidi_substream_t * substream, int spin_unlock_irqrestore(&uart->open_lock, flags); } -static int snd_uart16550_output_open(snd_rawmidi_substream_t * substream) +static int snd_uart16550_output_open(struct snd_rawmidi_substream *substream) { unsigned long flags; snd_uart16550_t *uart = substream->rmidi->private_data; @@ -565,7 +567,7 @@ static int snd_uart16550_output_open(snd_rawmidi_substream_t * substream) return 0; }; -static int snd_uart16550_output_close(snd_rawmidi_substream_t * substream) +static int snd_uart16550_output_close(struct snd_rawmidi_substream *substream) { unsigned long flags; snd_uart16550_t *uart = substream->rmidi->private_data; @@ -603,7 +605,7 @@ static inline int snd_uart16550_write_buffer(snd_uart16550_t *uart, unsigned cha return 0; } -static int snd_uart16550_output_byte(snd_uart16550_t *uart, snd_rawmidi_substream_t * substream, unsigned char midi_byte) +static int snd_uart16550_output_byte(snd_uart16550_t *uart, struct snd_rawmidi_substream *substream, unsigned char midi_byte) { if (uart->buff_in_count == 0 /* Buffer empty? */ && ((uart->adaptor != SNDRV_SERIAL_MS124W_SA && @@ -636,7 +638,7 @@ static int snd_uart16550_output_byte(snd_uart16550_t *uart, snd_rawmidi_substrea return 1; } -static void snd_uart16550_output_write(snd_rawmidi_substream_t * substream) +static void snd_uart16550_output_write(struct snd_rawmidi_substream *substream) { unsigned long flags; unsigned char midi_byte, addr_byte; @@ -715,7 +717,7 @@ static void snd_uart16550_output_write(snd_rawmidi_substream_t * substream) spin_unlock_irqrestore(&uart->open_lock, flags); } -static void snd_uart16550_output_trigger(snd_rawmidi_substream_t * substream, int up) +static void snd_uart16550_output_trigger(struct snd_rawmidi_substream *substream, int up) { unsigned long flags; snd_uart16550_t *uart = substream->rmidi->private_data; @@ -731,14 +733,14 @@ static void snd_uart16550_output_trigger(snd_rawmidi_substream_t * substream, in snd_uart16550_output_write(substream); } -static snd_rawmidi_ops_t snd_uart16550_output = +static struct snd_rawmidi_ops snd_uart16550_output = { .open = snd_uart16550_output_open, .close = snd_uart16550_output_close, .trigger = snd_uart16550_output_trigger, }; -static snd_rawmidi_ops_t snd_uart16550_input = +static struct snd_rawmidi_ops snd_uart16550_input = { .open = snd_uart16550_input_open, .close = snd_uart16550_input_close, @@ -754,13 +756,13 @@ static int snd_uart16550_free(snd_uart16550_t *uart) return 0; }; -static int snd_uart16550_dev_free(snd_device_t *device) +static int snd_uart16550_dev_free(struct snd_device *device) { snd_uart16550_t *uart = device->device_data; return snd_uart16550_free(uart); } -static int __init snd_uart16550_create(snd_card_t * card, +static int __init snd_uart16550_create(struct snd_card *card, unsigned long iobase, int irq, unsigned int speed, @@ -769,7 +771,7 @@ static int __init snd_uart16550_create(snd_card_t * card, int droponfull, snd_uart16550_t **ruart) { - static snd_device_ops_t ops = { + static struct snd_device_ops ops = { .dev_free = snd_uart16550_dev_free, }; snd_uart16550_t *uart; @@ -838,19 +840,19 @@ static int __init snd_uart16550_create(snd_card_t * card, return 0; } -static void __init snd_uart16550_substreams(snd_rawmidi_str_t *stream) +static void __init snd_uart16550_substreams(struct snd_rawmidi_str *stream) { struct list_head *list; list_for_each(list, &stream->substreams) { - snd_rawmidi_substream_t *substream = list_entry(list, snd_rawmidi_substream_t, list); + struct snd_rawmidi_substream *substream = list_entry(list, struct snd_rawmidi_substream, list); sprintf(substream->name, "Serial MIDI %d", substream->number + 1); } } -static int __init snd_uart16550_rmidi(snd_uart16550_t *uart, int device, int outs, int ins, snd_rawmidi_t **rmidi) +static int __init snd_uart16550_rmidi(snd_uart16550_t *uart, int device, int outs, int ins, struct snd_rawmidi **rmidi) { - snd_rawmidi_t *rrawmidi; + struct snd_rawmidi *rrawmidi; int err; if ((err = snd_rawmidi_new(uart->card, "UART Serial MIDI", device, outs, ins, &rrawmidi)) < 0) @@ -869,14 +871,12 @@ static int __init snd_uart16550_rmidi(snd_uart16550_t *uart, int device, int out return 0; } -static int __init snd_serial_probe(int dev) +static int __init snd_serial_probe(struct platform_device *devptr) { - snd_card_t *card; + struct snd_card *card; snd_uart16550_t *uart; int err; - - if (!enable[dev]) - return -ENOENT; + int dev = devptr->id; switch (adaptor[dev]) { case SNDRV_SERIAL_SOUNDCANVAS: @@ -942,13 +942,12 @@ static int __init snd_serial_probe(int dev) adaptor_names[uart->adaptor], uart->drop_on_full); - if ((err = snd_card_set_generic_dev(card)) < 0) - goto _err; + snd_card_set_dev(card, &devptr->dev); if ((err = snd_card_register(card)) < 0) goto _err; - snd_serial_cards[dev] = card; + platform_set_drvdata(devptr, card); return 0; _err: @@ -956,33 +955,68 @@ static int __init snd_serial_probe(int dev) return err; } +static int snd_serial_remove(struct platform_device *devptr) +{ + snd_card_free(platform_get_drvdata(devptr)); + platform_set_drvdata(devptr, NULL); + return 0; +} + +#define SND_SERIAL_DRIVER "snd_serial_u16550" + +static struct platform_driver snd_serial_driver = { + .probe = snd_serial_probe, + .remove = snd_serial_remove, + .driver = { + .name = SND_SERIAL_DRIVER + }, +}; + +static void __init_or_module snd_serial_unregister_all(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(devices); ++i) + platform_device_unregister(devices[i]); + platform_driver_unregister(&snd_serial_driver); +} + static int __init alsa_card_serial_init(void) { - int dev = 0; - int cards = 0; + int i, cards, err; - for (dev = 0; dev < SNDRV_CARDS; dev++) { - if (snd_serial_probe(dev) == 0) - cards++; - } + if ((err = platform_driver_register(&snd_serial_driver)) < 0) + return err; - if (cards == 0) { + cards = 0; + for (i = 0; i < SNDRV_CARDS && enable[i]; i++) { + struct platform_device *device; + device = platform_device_register_simple(SND_SERIAL_DRIVER, + i, NULL, 0); + if (IS_ERR(device)) { + err = PTR_ERR(device); + goto errout; + } + devices[i] = device; + cards++; + } + if (! cards) { #ifdef MODULE printk(KERN_ERR "serial midi soundcard not found or device busy\n"); #endif - return -ENODEV; + err = -ENODEV; + goto errout; } return 0; + + errout: + snd_serial_unregister_all(); + return err; } static void __exit alsa_card_serial_exit(void) { - int dev; - - for (dev = 0; dev < SNDRV_CARDS; dev++) { - if (snd_serial_cards[dev] != NULL) - snd_card_free(snd_serial_cards[dev]); - } + snd_serial_unregister_all(); } module_init(alsa_card_serial_init) |