diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/drivers/mpu401/mpu401.c')
-rw-r--r-- | ANDROID_3.4.5/sound/drivers/mpu401/mpu401.c | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/ANDROID_3.4.5/sound/drivers/mpu401/mpu401.c b/ANDROID_3.4.5/sound/drivers/mpu401/mpu401.c deleted file mode 100644 index 86f5fbc2..00000000 --- a/ANDROID_3.4.5/sound/drivers/mpu401/mpu401.c +++ /dev/null @@ -1,288 +0,0 @@ -/* - * Driver for generic MPU-401 boards (UART mode only) - * Copyright (c) by Jaroslav Kysela <perex@perex.cz> - * Copyright (c) 2004 by Castet Matthieu <castet.matthieu@free.fr> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <linux/init.h> -#include <linux/pnp.h> -#include <linux/err.h> -#include <linux/platform_device.h> -#include <linux/module.h> -#include <sound/core.h> -#include <sound/mpu401.h> -#include <sound/initval.h> - -MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); -MODULE_DESCRIPTION("MPU-401 UART"); -MODULE_LICENSE("GPL"); - -static int index[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -2}; /* exclude the first card */ -static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ -static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ -#ifdef CONFIG_PNP -static bool pnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1}; -#endif -static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* MPU-401 port number */ -static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* MPU-401 IRQ */ -static bool uart_enter[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1}; - -module_param_array(index, int, NULL, 0444); -MODULE_PARM_DESC(index, "Index value for MPU-401 device."); -module_param_array(id, charp, NULL, 0444); -MODULE_PARM_DESC(id, "ID string for MPU-401 device."); -module_param_array(enable, bool, NULL, 0444); -MODULE_PARM_DESC(enable, "Enable MPU-401 device."); -#ifdef CONFIG_PNP -module_param_array(pnp, bool, NULL, 0444); -MODULE_PARM_DESC(pnp, "PnP detection for MPU-401 device."); -#endif -module_param_array(port, long, NULL, 0444); -MODULE_PARM_DESC(port, "Port # for MPU-401 device."); -module_param_array(irq, int, NULL, 0444); -MODULE_PARM_DESC(irq, "IRQ # for MPU-401 device."); -module_param_array(uart_enter, bool, NULL, 0444); -MODULE_PARM_DESC(uart_enter, "Issue UART_ENTER command at open."); - -static struct platform_device *platform_devices[SNDRV_CARDS]; -static int pnp_registered; -static unsigned int snd_mpu401_devices; - -static int snd_mpu401_create(int dev, struct snd_card **rcard) -{ - struct snd_card *card; - int err; - - if (!uart_enter[dev]) - snd_printk(KERN_ERR "the uart_enter option is obsolete; remove it\n"); - - *rcard = NULL; - err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); - if (err < 0) - return err; - strcpy(card->driver, "MPU-401 UART"); - strcpy(card->shortname, card->driver); - sprintf(card->longname, "%s at %#lx, ", card->shortname, port[dev]); - if (irq[dev] >= 0) { - sprintf(card->longname + strlen(card->longname), "irq %d", irq[dev]); - } else { - strcat(card->longname, "polled"); - } - - err = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401, port[dev], 0, - irq[dev], NULL); - if (err < 0) { - printk(KERN_ERR "MPU401 not detected at 0x%lx\n", port[dev]); - goto _err; - } - - *rcard = card; - return 0; - - _err: - snd_card_free(card); - return err; -} - -static int __devinit snd_mpu401_probe(struct platform_device *devptr) -{ - int dev = devptr->id; - int err; - struct snd_card *card; - - if (port[dev] == SNDRV_AUTO_PORT) { - snd_printk(KERN_ERR "specify port\n"); - return -EINVAL; - } - if (irq[dev] == SNDRV_AUTO_IRQ) { - snd_printk(KERN_ERR "specify or disable IRQ\n"); - return -EINVAL; - } - err = snd_mpu401_create(dev, &card); - if (err < 0) - return err; - snd_card_set_dev(card, &devptr->dev); - if ((err = snd_card_register(card)) < 0) { - snd_card_free(card); - return err; - } - platform_set_drvdata(devptr, card); - return 0; -} - -static int __devexit snd_mpu401_remove(struct platform_device *devptr) -{ - snd_card_free(platform_get_drvdata(devptr)); - platform_set_drvdata(devptr, NULL); - return 0; -} - -#define SND_MPU401_DRIVER "snd_mpu401" - -static struct platform_driver snd_mpu401_driver = { - .probe = snd_mpu401_probe, - .remove = __devexit_p(snd_mpu401_remove), - .driver = { - .name = SND_MPU401_DRIVER - }, -}; - - -#ifdef CONFIG_PNP - -#define IO_EXTENT 2 - -static struct pnp_device_id snd_mpu401_pnpids[] = { - { .id = "PNPb006" }, - { .id = "" } -}; - -MODULE_DEVICE_TABLE(pnp, snd_mpu401_pnpids); - -static int __devinit snd_mpu401_pnp(int dev, struct pnp_dev *device, - const struct pnp_device_id *id) -{ - if (!pnp_port_valid(device, 0) || - pnp_port_flags(device, 0) & IORESOURCE_DISABLED) { - snd_printk(KERN_ERR "no PnP port\n"); - return -ENODEV; - } - if (pnp_port_len(device, 0) < IO_EXTENT) { - snd_printk(KERN_ERR "PnP port length is %llu, expected %d\n", - (unsigned long long)pnp_port_len(device, 0), - IO_EXTENT); - return -ENODEV; - } - port[dev] = pnp_port_start(device, 0); - - if (!pnp_irq_valid(device, 0) || - pnp_irq_flags(device, 0) & IORESOURCE_DISABLED) { - snd_printk(KERN_WARNING "no PnP irq, using polling\n"); - irq[dev] = -1; - } else { - irq[dev] = pnp_irq(device, 0); - } - return 0; -} - -static int __devinit snd_mpu401_pnp_probe(struct pnp_dev *pnp_dev, - const struct pnp_device_id *id) -{ - static int dev; - struct snd_card *card; - int err; - - for ( ; dev < SNDRV_CARDS; ++dev) { - if (!enable[dev] || !pnp[dev]) - continue; - err = snd_mpu401_pnp(dev, pnp_dev, id); - if (err < 0) - return err; - err = snd_mpu401_create(dev, &card); - if (err < 0) - return err; - if ((err = snd_card_register(card)) < 0) { - snd_card_free(card); - return err; - } - snd_card_set_dev(card, &pnp_dev->dev); - pnp_set_drvdata(pnp_dev, card); - snd_mpu401_devices++; - ++dev; - return 0; - } - return -ENODEV; -} - -static void __devexit snd_mpu401_pnp_remove(struct pnp_dev *dev) -{ - struct snd_card *card = (struct snd_card *) pnp_get_drvdata(dev); - - snd_card_disconnect(card); - snd_card_free_when_closed(card); -} - -static struct pnp_driver snd_mpu401_pnp_driver = { - .name = "mpu401", - .id_table = snd_mpu401_pnpids, - .probe = snd_mpu401_pnp_probe, - .remove = __devexit_p(snd_mpu401_pnp_remove), -}; -#else -static struct pnp_driver snd_mpu401_pnp_driver; -#endif - -static void snd_mpu401_unregister_all(void) -{ - int i; - - if (pnp_registered) - pnp_unregister_driver(&snd_mpu401_pnp_driver); - for (i = 0; i < ARRAY_SIZE(platform_devices); ++i) - platform_device_unregister(platform_devices[i]); - platform_driver_unregister(&snd_mpu401_driver); -} - -static int __init alsa_card_mpu401_init(void) -{ - int i, err; - - if ((err = platform_driver_register(&snd_mpu401_driver)) < 0) - return err; - - for (i = 0; i < SNDRV_CARDS; i++) { - struct platform_device *device; - if (! enable[i]) - continue; -#ifdef CONFIG_PNP - if (pnp[i]) - continue; -#endif - device = platform_device_register_simple(SND_MPU401_DRIVER, - i, NULL, 0); - if (IS_ERR(device)) - continue; - if (!platform_get_drvdata(device)) { - platform_device_unregister(device); - continue; - } - platform_devices[i] = device; - snd_mpu401_devices++; - } - err = pnp_register_driver(&snd_mpu401_pnp_driver); - if (!err) - pnp_registered = 1; - - if (!snd_mpu401_devices) { -#ifdef MODULE - printk(KERN_ERR "MPU-401 device not found or device busy\n"); -#endif - snd_mpu401_unregister_all(); - return -ENODEV; - } - return 0; -} - -static void __exit alsa_card_mpu401_exit(void) -{ - snd_mpu401_unregister_all(); -} - -module_init(alsa_card_mpu401_init) -module_exit(alsa_card_mpu401_exit) |