| /* |
| * Driver for generic ESS AudioDrive ESx688 soundcards |
| * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
| * |
| * |
| * 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 <linux/init.h> |
| #include <linux/err.h> |
| #include <linux/isa.h> |
| #include <linux/isapnp.h> |
| #include <linux/time.h> |
| #include <linux/wait.h> |
| #include <linux/module.h> |
| #include <asm/dma.h> |
| #include <sound/core.h> |
| #include <sound/es1688.h> |
| #include <sound/mpu401.h> |
| #include <sound/opl3.h> |
| #define SNDRV_LEGACY_FIND_FREE_IRQ |
| #define SNDRV_LEGACY_FIND_FREE_DMA |
| #include <sound/initval.h> |
| |
| #define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive" |
| #define DEV_NAME "es1688" |
| |
| MODULE_DESCRIPTION(CRD_NAME); |
| MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); |
| MODULE_LICENSE("GPL"); |
| MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100}," |
| "{ESS,ES1688 PnP AudioDrive,pnp:ESS0102}," |
| "{ESS,ES688 AudioDrive,pnp:ESS6881}," |
| "{ESS,ES1688 AudioDrive,pnp:ESS1681}}"); |
| |
| 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 long possible_ports[] = {0x220, 0x240, 0x260}; |
| static int possible_irqs[] = {5, 9, 10, 7, -1}; |
| static 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; |
| |
| strlcpy(card->driver, "ES1688", sizeof(card->driver)); |
| strlcpy(card->shortname, chip->pcm->name, sizeof(card->shortname)); |
| snprintf(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_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) |
| goto out; |
| |
| error = snd_es1688_probe(card, n); |
| if (error < 0) |
| goto out; |
| |
| dev_set_drvdata(dev, card); |
| |
| return 0; |
| out: |
| snd_card_free(card); |
| return error; |
| } |
| |
| static int snd_es1688_isa_remove(struct device *dev, unsigned int n) |
| { |
| snd_card_free(dev_get_drvdata(dev)); |
| return 0; |
| } |
| |
| static struct isa_driver snd_es1688_driver = { |
| .match = snd_es1688_match, |
| .probe = snd_es1688_isa_probe, |
| .remove = snd_es1688_isa_remove, |
| #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) { |
| snd_printk(KERN_ERR "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_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) { |
| snd_card_free(card); |
| return error; |
| } |
| error = snd_es1688_probe(card, dev); |
| if (error < 0) { |
| snd_card_free(card); |
| 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_card_free(pnp_get_card_drvdata(pcard)); |
| pnp_set_card_drvdata(pcard, NULL); |
| 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); |
| struct snd_es1688 *chip = card->private_data; |
| |
| snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
| snd_pcm_suspend_all(chip->pcm); |
| 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); |