diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/au88x0/au88x0.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/au88x0/au88x0.c | 398 |
1 files changed, 0 insertions, 398 deletions
diff --git a/ANDROID_3.4.5/sound/pci/au88x0/au88x0.c b/ANDROID_3.4.5/sound/pci/au88x0/au88x0.c deleted file mode 100644 index f13ad536..00000000 --- a/ANDROID_3.4.5/sound/pci/au88x0/au88x0.c +++ /dev/null @@ -1,398 +0,0 @@ -/* - * 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 comunicate. - * - * Now at least i can play Legacy DOOM with MIDI music :-) - */ - -#include "au88x0.h" -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/module.h> -#include <linux/dma-mapping.h> -#include <sound/initval.h> - -// 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_SUPPORTED_DEVICE("{{Aureal Semiconductor Inc., Aureal Vortex Sound Processor}}"); - -MODULE_DEVICE_TABLE(pci, snd_vortex_ids); - -static void vortex_fix_latency(struct pci_dev *vortex) -{ - int rc; - if (!(rc = pci_write_config_byte(vortex, 0x40, 0xff))) { - printk(KERN_INFO CARD_NAME - ": vortex latency is 0xff\n"); - } else { - printk(KERN_WARNING CARD_NAME - ": 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 - */ - - if (!(rc = pci_read_config_byte(via, 0x42, &value)) - && ((value & 0x10) - || !(rc = pci_write_config_byte(via, 0x42, value | 0x10)))) { - printk(KERN_INFO CARD_NAME - ": bridge config is 0x%x\n", value | 0x10); - } else { - printk(KERN_WARNING CARD_NAME - ": could not set vortex latency: pci error 0x%x\n", rc); - } -} - -static void __devinit 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) { - printk(KERN_INFO CARD_NAME ": 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))) - vortex_fix_agp_bridge(via); - if ((fix & 0x4) && (via = pci_get_device(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_82C598_1, NULL))) - vortex_fix_agp_bridge(via); - if ((fix & 0x8) && (via = pci_get_device(PCI_VENDOR_ID_AMD, - PCI_DEVICE_ID_AMD_FE_GATE_7007, NULL))) - vortex_fix_agp_bridge(via); - } - pci_dev_put(via); -} - -// component-destructor -// (see "Management of Cards and Components") -static int snd_vortex_dev_free(struct snd_device *device) -{ - vortex_t *vortex = device->device_data; - - vortex_gameport_unregister(vortex); - vortex_core_shutdown(vortex); - // Take down PCI interface. - free_irq(vortex->irq, vortex); - iounmap(vortex->mmio); - pci_release_regions(vortex->pci_dev); - pci_disable_device(vortex->pci_dev); - kfree(vortex); - - return 0; -} - -// chip-specific constructor -// (see "Management of Cards and Components") -static int __devinit -snd_vortex_create(struct snd_card *card, struct pci_dev *pci, vortex_t ** rchip) -{ - vortex_t *chip; - int err; - static struct snd_device_ops ops = { - .dev_free = snd_vortex_dev_free, - }; - - *rchip = NULL; - - // check PCI availability (DMA). - if ((err = pci_enable_device(pci)) < 0) - return err; - if (pci_set_dma_mask(pci, DMA_BIT_MASK(32)) < 0 || - pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32)) < 0) { - printk(KERN_ERR "error to set DMA mask\n"); - pci_disable_device(pci); - return -ENXIO; - } - - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (chip == NULL) { - pci_disable_device(pci); - return -ENOMEM; - } - - chip->card = card; - - // initialize the stuff - chip->pci_dev = pci; - chip->io = pci_resource_start(pci, 0); - chip->vendor = pci->vendor; - chip->device = pci->device; - chip->card = card; - chip->irq = -1; - - // (1) PCI resource allocation - // Get MMIO area - // - if ((err = pci_request_regions(pci, CARD_NAME_SHORT)) != 0) - goto regions_out; - - chip->mmio = pci_ioremap_bar(pci, 0); - if (!chip->mmio) { - printk(KERN_ERR "MMIO area remap failed.\n"); - err = -ENOMEM; - goto ioremap_out; - } - - /* 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 */ - if ((err = vortex_core_init(chip)) != 0) { - printk(KERN_ERR "hw core init failed\n"); - goto core_out; - } - - if ((err = request_irq(pci->irq, vortex_interrupt, - IRQF_SHARED, KBUILD_MODNAME, - chip)) != 0) { - printk(KERN_ERR "cannot grab irq\n"); - goto irq_out; - } - chip->irq = pci->irq; - - pci_set_master(pci); - // End of PCI setup. - - // Register alsa root device. - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { - goto alloc_out; - } - - snd_card_set_dev(card, &pci->dev); - - *rchip = chip; - - return 0; - - alloc_out: - free_irq(chip->irq, chip); - irq_out: - vortex_core_shutdown(chip); - core_out: - iounmap(chip->mmio); - ioremap_out: - pci_release_regions(chip->pci_dev); - regions_out: - pci_disable_device(chip->pci_dev); - //FIXME: this not the right place to unregister the gameport - vortex_gameport_unregister(chip); - kfree(chip); - return err; -} - -// constructor -- see "Constructor" sub-section -static int __devinit -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_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); - if (err < 0) - return err; - - // (3) - if ((err = snd_vortex_create(card, pci, &chip)) < 0) { - snd_card_free(card); - 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) { - snd_card_free(card); - return err; - } - // ADB pcm. - err = snd_vortex_new_pcm(chip, VORTEX_PCM_ADB, NR_PCM); - if (err < 0) { - snd_card_free(card); - return err; - } -#ifndef CHIP_AU8820 - // ADB SPDIF - if ((err = snd_vortex_new_pcm(chip, VORTEX_PCM_SPDIF, 1)) < 0) { - snd_card_free(card); - return err; - } - // A3D - if ((err = snd_vortex_new_pcm(chip, VORTEX_PCM_A3D, NR_A3D)) < 0) { - snd_card_free(card); - return err; - } -#endif - /* - // ADB I2S - if ((err = snd_vortex_new_pcm(chip, VORTEX_PCM_I2S, 1)) < 0) { - snd_card_free(card); - return err; - } - */ -#ifndef CHIP_AU8810 - // WT pcm. - if ((err = snd_vortex_new_pcm(chip, VORTEX_PCM_WT, NR_WT)) < 0) { - snd_card_free(card); - return err; - } -#endif - if ((err = snd_vortex_midi(chip)) < 0) { - snd_card_free(card); - 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) { - snd_printk(KERN_ERR "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) - if ((err = pci_read_config_word(pci, PCI_DEVICE_ID, - &(chip->device))) < 0) { - snd_card_free(card); - return err; - } - if ((err = pci_read_config_word(pci, PCI_VENDOR_ID, - &(chip->vendor))) < 0) { - snd_card_free(card); - return err; - } - chip->rev = pci->revision; -#ifdef CHIP_AU8830 - if ((chip->rev) != 0xfe && (chip->rev) != 0xfa) { - printk(KERN_ALERT - "vortex: The revision (%x) of your card has not been seen before.\n", - chip->rev); - printk(KERN_ALERT - "vortex: Please email the results of 'lspci -vv' to openvortex-dev@nongnu.org.\n"); - snd_card_free(card); - err = -ENODEV; - return err; - } -#endif - - // (6) - if ((err = snd_card_register(card)) < 0) { - snd_card_free(card); - return err; - } - // (7) - pci_set_drvdata(pci, card); - dev++; - vortex_connect_default(chip, 1); - vortex_enable_int(chip); - return 0; -} - -// destructor -- see "Destructor" sub-section -static void __devexit snd_vortex_remove(struct pci_dev *pci) -{ - snd_card_free(pci_get_drvdata(pci)); - pci_set_drvdata(pci, NULL); -} - -// pci_driver definition -static struct pci_driver driver = { - .name = KBUILD_MODNAME, - .id_table = snd_vortex_ids, - .probe = snd_vortex_probe, - .remove = __devexit_p(snd_vortex_remove), -}; - -// initialization of the module -static int __init alsa_card_vortex_init(void) -{ - return pci_register_driver(&driver); -} - -// clean up the module -static void __exit alsa_card_vortex_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_vortex_init) -module_exit(alsa_card_vortex_exit) |