diff options
Diffstat (limited to 'kernel/sound/isa/es1688/es1688.c')
| -rw-r--r-- | kernel/sound/isa/es1688/es1688.c | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/kernel/sound/isa/es1688/es1688.c b/kernel/sound/isa/es1688/es1688.c new file mode 100644 index 000000000..1901c2bb6 --- /dev/null +++ b/kernel/sound/isa/es1688/es1688.c @@ -0,0 +1,368 @@ +/* + * 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_array(port, long, NULL, 0444); +MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver."); +module_param_array(mpu_port, long, NULL, 0444); +MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver."); +module_param_array(irq, int, NULL, 0444); +module_param_array(fm_port, long, NULL, 0444); +MODULE_PARM_DESC(fm_port, "FM port # for ES1688 driver."); +MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver."); +module_param_array(mpu_irq, int, NULL, 0444); +MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver."); +module_param_array(dma8, int, 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; + struct snd_es1688 *chip; + + 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; + chip = card->private_data; + + 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) + 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 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); |