/* * Driver for generic MPU-401 boards (UART mode only) * Copyright (c) by Jaroslav Kysela * Copyright (c) 2004 by Castet Matthieu * * * 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 #include #include #include #include #include #include #include MODULE_AUTHOR("Jaroslav Kysela "); 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(struct device *devptr, 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_new(devptr, 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 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(&devptr->dev, dev, &card); if (err < 0) return err; if ((err = snd_card_register(card)) < 0) { snd_card_free(card); return err; } platform_set_drvdata(devptr, card); return 0; } static int snd_mpu401_remove(struct platform_device *devptr) { snd_card_free(platform_get_drvdata(devptr)); return 0; } #define SND_MPU401_DRIVER "snd_mpu401" static struct platform_driver snd_mpu401_driver = { .probe = snd_mpu401_probe, .remove = 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 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 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(&pnp_dev->dev, dev, &card); if (err < 0) return err; if ((err = snd_card_register(card)) < 0) { snd_card_free(card); return err; } pnp_set_drvdata(pnp_dev, card); snd_mpu401_devices++; ++dev; return 0; } return -ENODEV; } static void 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 = 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) should have done right away, allows us to remove quite some of the hardcoded states, i.e. those which have no ordering requirements. So doing the right thing now is better than having an smaller intermediate solution which needs to be reworked anyway" * 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: cpu/hotplug: Provide dynamic range for prepare stage perf/x86/amd/ibs: Fix typo after cleanup state names in cpu/hotplug
Diffstat (limited to 'tools/perf/builtin-mem.c')