/* * 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) tp->max_window, from Alexey Kodanev. 9) Missing kmemdup() failure check in ipv6 segment routing code, from Eric Dumazet. 10) Don't execute unix_bind() under the bindlock, otherwise we deadlock with splice. From WANG Cong. 11) ip6_tnl_parse_tlv_enc_lim() potentially reallocates the skb buffer, therefore callers must reload cached header pointers into that skb. Fix from Eric Dumazet. 12) Fix various bugs in legacy IRQ fallback handling in alx driver, from Tobias Regnery. 13) Do not allow lwtunnel drivers to be unloaded while they are referenced by active instances, from Robert Shearman. 14) Fix truncated PHY LED trigger names, from Geert Uytterhoeven. 15) Fix a few regressions from virtio_net XDP support, from John Fastabend and Jakub Kicinski. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (102 commits) ISDN: eicon: silence misleading array-bounds warning net: phy: micrel: add support for KSZ8795 gtp: fix cross netns recv on gtp socket gtp: clear DF bit on GTP packet tx gtp: add genl family modules alias tcp: don't annotate mark on control socket from tcp_v6_send_response() ravb: unmap descriptors when freeing rings virtio_net: reject XDP programs using header adjustment virtio_net: use dev_kfree_skb for small buffer XDP receive r8152: check rx after napi is enabled r8152: re-schedule napi for tx r8152: avoid start_xmit to schedule napi when napi is disabled r8152: avoid start_xmit to call napi_schedule during autosuspend net: dsa: Bring back device detaching in dsa_slave_suspend() net: phy: leds: Fix truncated LED trigger names net: phy: leds: Break dependency of phy.h on phy_led_triggers.h net: phy: leds: Clear phy_num_led_triggers on failure to avoid crash net-next: ethernet: mediatek: change the compatible string Documentation: devicetree: change the mediatek ethernet compatible string bnxt_en: Fix RTNL lock usage on bnxt_get_port_module_status(). ...
Diffstat (limited to 'include/net/netlink.h')