// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for generic ESS AudioDrive ESx688 soundcards * Copyright (c) by Jaroslav Kysela */ #include #include #include #include #include #include #include #include #include #include #include #include #define SNDRV_LEGACY_FIND_FREE_IRQ #define SNDRV_LEGACY_FIND_FREE_DMA #include #define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive" #define DEV_NAME "es1688" MODULE_DESCRIPTION(CRD_NAME); MODULE_AUTHOR("Jaroslav Kysela "); MODULE_LICENSE("GPL"); MODULE_ALIAS("snd_es968"); static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ #ifdef CONFIG_PNP static bool isapnp[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; #endif static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */ static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* Usually 0x388 */ static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1}; static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */ module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard."); module_param_array(id, charp, NULL, 0444); MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard."); module_param_array(enable, bool, NULL, 0444); #ifdef CONFIG_PNP module_param_array(isapnp, bool, NULL, 0444); MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard."); #endif MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard."); module_param_hw_array(port, long, ioport, NULL, 0444); MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver."); module_param_hw_array(mpu_port, long, ioport, NULL, 0444); MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver."); module_param_hw_array(irq, int, irq, NULL, 0444); module_param_hw_array(fm_port, long, ioport, NULL, 0444); MODULE_PARM_DESC(fm_port, "FM port # for ES1688 driver."); MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver."); module_param_hw_array(mpu_irq, int, irq, NULL, 0444); MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver."); module_param_hw_array(dma8, int, dma, NULL, 0444); MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver."); #ifdef CONFIG_PNP #define is_isapnp_selected(dev) isapnp[dev] #else #define is_isapnp_selected(dev) 0 #endif static int snd_es1688_match(struct device *dev, unsigned int n) { return enable[n] && !is_isapnp_selected(n); } static int snd_es1688_legacy_create(struct snd_card *card, struct device *dev, unsigned int n) { struct snd_es1688 *chip = card->private_data; static const long possible_ports[] = {0x220, 0x240, 0x260}; static const int possible_irqs[] = {5, 9, 10, 7, -1}; static const int possible_dmas[] = {1, 3, 0, -1}; int i, error; if (irq[n] == SNDRV_AUTO_IRQ) { irq[n] = snd_legacy_find_free_irq(possible_irqs); if (irq[n] < 0) { dev_err(dev, "unable to find a free IRQ\n"); return -EBUSY; } } if (dma8[n] == SNDRV_AUTO_DMA) { dma8[n] = snd_legacy_find_free_dma(possible_dmas); if (dma8[n] < 0) { dev_err(dev, "unable to find a free DMA\n"); return -EBUSY; } } if (port[n] != SNDRV_AUTO_PORT) return snd_es1688_create(card, chip, port[n], mpu_port[n], irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO); i = 0; do { port[n] = possible_ports[i]; error = snd_es1688_create(card, chip, port[n], mpu_port[n], irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO); } while (error < 0 && ++i < ARRAY_SIZE(possible_ports)); return error; } static int snd_es1688_probe(struct snd_card *card, unsigned int n) { struct snd_es1688 *chip = card->private_data; struct snd_opl3 *opl3; int error; error = snd_es1688_pcm(card, chip, 0); if (error < 0) return error; error = snd_es1688_mixer(card, chip); if (error < 0) return error; strscpy(card->driver, "ES1688", sizeof(card->driver)); strscpy(card->shortname, chip->pcm->name, sizeof(card->shortname)); scnprintf(card->longname, sizeof(card->longname), "%s at 0x%lx, irq %i, dma %i", chip->pcm->name, chip->port, chip->irq, chip->dma8); if (fm_port[n] == SNDRV_AUTO_PORT) fm_port[n] = port[n]; /* share the same port */ if (fm_port[n] > 0) { if (snd_opl3_create(card, fm_port[n], fm_port[n] + 2, OPL3_HW_OPL3, 0, &opl3) < 0) dev_warn(card->dev, "opl3 not detected at 0x%lx\n", fm_port[n]); else { error = snd_opl3_hwdep_new(opl3, 0, 1, NULL); if (error < 0) return error; } } if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ && chip->mpu_port > 0) { error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688, chip->mpu_port, 0, mpu_irq[n], NULL); if (error < 0) return error; } return snd_card_register(card); } static int snd_es1688_isa_probe(struct device *dev, unsigned int n) { struct snd_card *card; int error; error = snd_devm_card_new(dev, index[n], id[n], THIS_MODULE, sizeof(struct snd_es1688), &card); if (error < 0) return error; error = snd_es1688_legacy_create(card, dev, n); if (error < 0) return error; error = snd_es1688_probe(card, n); if (error < 0) return error; dev_set_drvdata(dev, card); return 0; } static struct isa_driver snd_es1688_driver = { .match = snd_es1688_match, .probe = snd_es1688_isa_probe, #if 0 /* FIXME */ .suspend = snd_es1688_suspend, .resume = snd_es1688_resume, #endif .driver = { .name = DEV_NAME } }; static int snd_es968_pnp_is_probed; #ifdef CONFIG_PNP static int snd_card_es968_pnp(struct snd_card *card, unsigned int n, struct pnp_card_link *pcard, const struct pnp_card_device_id *pid) { struct snd_es1688 *chip = card->private_data; struct pnp_dev *pdev; int error; pdev = pnp_request_card_device(pcard, pid->devs[0].id, NULL); if (pdev == NULL) return -ENODEV; error = pnp_activate_dev(pdev); if (error < 0) { dev_err(card->dev, "ES968 pnp configure failure\n"); return error; } port[n] = pnp_port_start(pdev, 0); dma8[n] = pnp_dma(pdev, 0); irq[n] = pnp_irq(pdev, 0); return snd_es1688_create(card, chip, port[n], mpu_port[n], irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO); } static int snd_es968_pnp_detect(struct pnp_card_link *pcard, const struct pnp_card_device_id *pid) { struct snd_card *card; static unsigned int dev; int error; if (snd_es968_pnp_is_probed) return -EBUSY; for ( ; dev < SNDRV_CARDS; dev++) { if (enable[dev] && isapnp[dev]) break; } if (dev == SNDRV_CARDS) return -ENODEV; error = snd_devm_card_new(&pcard->card->dev, index[dev], id[dev], THIS_MODULE, sizeof(struct snd_es1688), &card); if (error < 0) return error; error = snd_card_es968_pnp(card, dev, pcard, pid); if (error < 0) return error; error = snd_es1688_probe(card, dev); if (error < 0) return error; pnp_set_card_drvdata(pcard, card); snd_es968_pnp_is_probed = 1; return 0; } static void snd_es968_pnp_remove(struct pnp_card_link *pcard) { snd_es968_pnp_is_probed = 0; } #ifdef CONFIG_PM static int snd_es968_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state) { struct snd_card *card = pnp_get_card_drvdata(pcard); snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); return 0; } static int snd_es968_pnp_resume(struct pnp_card_link *pcard) { struct snd_card *card = pnp_get_card_drvdata(pcard); struct snd_es1688 *chip = card->private_data; snd_es1688_reset(chip); snd_power_change_state(card, SNDRV_CTL_POWER_D0); return 0; } #endif static const struct pnp_card_device_id snd_es968_pnpids[] = { { .id = "ESS0968", .devs = { { "@@@0968" }, } }, { .id = "ESS0968", .devs = { { "ESS0968" }, } }, { .id = "", } /* end */ }; MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids); static struct pnp_card_driver es968_pnpc_driver = { .flags = PNP_DRIVER_RES_DISABLE, .name = DEV_NAME " PnP", .id_table = snd_es968_pnpids, .probe = snd_es968_pnp_detect, .remove = snd_es968_pnp_remove, #ifdef CONFIG_PM .suspend = snd_es968_pnp_suspend, .resume = snd_es968_pnp_resume, #endif }; #endif static int __init alsa_card_es1688_init(void) { #ifdef CONFIG_PNP pnp_register_card_driver(&es968_pnpc_driver); if (snd_es968_pnp_is_probed) return 0; pnp_unregister_card_driver(&es968_pnpc_driver); #endif return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS); } static void __exit alsa_card_es1688_exit(void) { if (!snd_es968_pnp_is_probed) { isa_unregister_driver(&snd_es1688_driver); return; } #ifdef CONFIG_PNP pnp_unregister_card_driver(&es968_pnpc_driver); #endif } module_init(alsa_card_es1688_init); module_exit(alsa_card_es1688_exit);