// SPDX-License-Identifier: GPL-2.0-only /* * ALSA driver for the Aureal Vortex family of soundprocessors. * Author: Manuel Jander (mjander@embedded.cl) * * This driver is the result of the OpenVortex Project from Savannah * (savannah.nongnu.org/projects/openvortex). I would like to thank * the developers of OpenVortex, Jeff Muizelaar and Kester Maddock, from * whom i got plenty of help, and their codebase was invaluable. * Thanks to the ALSA developers, they helped a lot working out * the ALSA part. * Thanks also to Sourceforge for maintaining the old binary drivers, * and the forum, where developers could communicate. * * Now at least i can play Legacy DOOM with MIDI music :-) */ #include "au88x0.h" #include #include #include #include #include #include #include // module parameters (see "Module Parameters") static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; static int pcifix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 255 }; module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard."); module_param_array(id, charp, NULL, 0444); MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard."); module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "Enable " CARD_NAME " soundcard."); module_param_array(pcifix, int, NULL, 0444); MODULE_PARM_DESC(pcifix, "Enable VIA-workaround for " CARD_NAME " soundcard."); MODULE_DESCRIPTION("Aureal vortex"); MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(pci, snd_vortex_ids); static void vortex_fix_latency(struct pci_dev *vortex) { int rc; rc = pci_write_config_byte(vortex, 0x40, 0xff); if (!rc) { dev_info(&vortex->dev, "vortex latency is 0xff\n"); } else { dev_warn(&vortex->dev, "could not set vortex latency: pci error 0x%x\n", rc); } } static void vortex_fix_agp_bridge(struct pci_dev *via) { int rc; u8 value; /* * only set the bit (Extend PCI#2 Internal Master for * Efficient Handling of Dummy Requests) if the can * read the config and it is not already set */ rc = pci_read_config_byte(via, 0x42, &value); if (!rc) { if (!(value & 0x10)) rc = pci_write_config_byte(via, 0x42, value | 0x10); } if (!rc) { dev_info(&via->dev, "bridge config is 0x%x\n", value | 0x10); } else { dev_warn(&via->dev, "could not set vortex latency: pci error 0x%x\n", rc); } } static void snd_vortex_workaround(struct pci_dev *vortex, int fix) { struct pci_dev *via = NULL; /* autodetect if workarounds are required */ if (fix == 255) { /* VIA KT133 */ via = pci_get_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8365_1, NULL); /* VIA Apollo */ if (via == NULL) { via = pci_get_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C598_1, NULL); /* AMD Irongate */ if (via == NULL) via = pci_get_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FE_GATE_7007, NULL); } if (via) { dev_info(&vortex->dev, "Activating latency workaround...\n"); vortex_fix_latency(vortex); vortex_fix_agp_bridge(via); } } else { if (fix & 0x1) vortex_fix_latency(vortex); if (fix & 0x2) via = pci_get_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8365_1, NULL); else if (fix & 0x4) via = pci_get_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C598_1, NULL); else if (fix & 0x8) via = pci_get_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FE_GATE_7007, NULL); if (via) vortex_fix_agp_bridge(via); } pci_dev_put(via); } // component-destructor // (see "Management of Cards and Components") static void snd_vortex_free(struct snd_card *card) { vortex_t *vortex = card->private_data; vortex_gameport_unregister(vortex); vortex_core_shutdown(vortex); } // chip-specific constructor // (see "Management of Cards and Components") static int snd_vortex_create(struct snd_card *card, struct pci_dev *pci) { vortex_t *chip = card->private_data; int err; // check PCI availability (DMA). err = pcim_enable_device(pci); if (err < 0) return err; if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32))) { dev_err(card->dev, "error to set DMA mask\n"); return -ENXIO; } chip->card = card; // initialize the stuff chip->pci_dev = pci; chip->vendor = pci->vendor; chip->device = pci->device; chip->card = card; chip->irq = -1; // (1) PCI resource allocation // Get MMIO area // err = pcim_iomap_regions(pci, 1 << 0, CARD_NAME_SHORT); if (err) return err; chip->io = pci_resource_start(pci, 0); chip->mmio = pcim_iomap_table(pci)[0]; /* Init audio core. * This must be done before we do request_irq otherwise we can get spurious * interrupts that we do not handle properly and make a mess of things */ err = vortex_core_init(chip); if (err) { dev_err(card->dev, "hw core init failed\n"); return err; } err = devm_request_irq(&pci->dev, pci->irq, vortex_interrupt, IRQF_SHARED, KBUILD_MODNAME, chip); if (err) { dev_err(card->dev, "cannot grab irq\n"); return err; } chip->irq = pci->irq; card->sync_irq = chip->irq; card->private_free = snd_vortex_free; pci_set_master(pci); // End of PCI setup. return 0; } // constructor -- see "Constructor" sub-section static int __snd_vortex_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { static int dev; struct snd_card *card; vortex_t *chip; int err; // (1) if (dev >= SNDRV_CARDS) return -ENODEV; if (!enable[dev]) { dev++; return -ENOENT; } // (2) err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, sizeof(*chip), &card); if (err < 0) return err; chip = card->private_data; // (3) err = snd_vortex_create(card, pci); if (err < 0) return err; snd_vortex_workaround(pci, pcifix[dev]); // Card details needed in snd_vortex_midi strcpy(card->driver, CARD_NAME_SHORT); sprintf(card->shortname, "Aureal Vortex %s", CARD_NAME_SHORT); sprintf(card->longname, "%s at 0x%lx irq %i", card->shortname, chip->io, chip->irq); // (4) Alloc components. err = snd_vortex_mixer(chip); if (err < 0) return err; // ADB pcm. err = snd_vortex_new_pcm(chip, VORTEX_PCM_ADB, NR_PCM); if (err < 0) return err; #ifndef CHIP_AU8820 // ADB SPDIF err = snd_vortex_new_pcm(chip, VORTEX_PCM_SPDIF, 1); if (err < 0) return err; // A3D err = snd_vortex_new_pcm(chip, VORTEX_PCM_A3D, NR_A3D); if (err < 0) return err; #endif /* // ADB I2S if ((err = snd_vortex_new_pcm(chip, VORTEX_PCM_I2S, 1)) < 0) { return err; } */ #ifndef CHIP_AU8810 // WT pcm. err = snd_vortex_new_pcm(chip, VORTEX_PCM_WT, NR_WT); if (err < 0) return err; #endif err = snd_vortex_midi(chip); if (err < 0) return err; vortex_gameport_register(chip); #if 0 if (snd_seq_device_new(card, 1, SNDRV_SEQ_DEV_ID_VORTEX_SYNTH, sizeof(snd_vortex_synth_arg_t), &wave) < 0 || wave == NULL) { dev_err(card->dev, "Can't initialize Aureal wavetable synth\n"); } else { snd_vortex_synth_arg_t *arg; arg = SNDRV_SEQ_DEVICE_ARGPTR(wave); strcpy(wave->name, "Aureal Synth"); arg->hwptr = vortex; arg->index = 1; arg->seq_ports = seq_ports[dev]; arg->max_voices = max_synth_voices[dev]; } #endif // (5) err = pci_read_config_word(pci, PCI_DEVICE_ID, &chip->device); if (err < 0) return err; err = pci_read_config_word(pci, PCI_VENDOR_ID, &chip->vendor); if (err < 0) return err; chip->rev = pci->revision; #ifdef CHIP_AU8830 if ((chip->rev) != 0xfe && (chip->rev) != 0xfa) { dev_alert(card->dev, "The revision (%x) of your card has not been seen before.\n", chip->rev); dev_alert(card->dev, "Please email the results of 'lspci -vv' to openvortex-dev@nongnu.org.\n"); return -ENODEV; } #endif // (6) err = snd_card_register(card); if (err < 0) return err; // (7) pci_set_drvdata(pci, card); dev++; vortex_connect_default(chip, 1); vortex_enable_int(chip); return 0; } static int snd_vortex_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { return snd_card_free_on_error(&pci->dev, __snd_vortex_probe(pci, pci_id)); } // pci_driver definition static struct pci_driver vortex_driver = { .name = KBUILD_MODNAME, .id_table = snd_vortex_ids, .probe = snd_vortex_probe, }; module_pci_driver(vortex_driver);