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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /sound/isa/gus/gusmax.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'sound/isa/gus/gusmax.c')
-rw-r--r-- | sound/isa/gus/gusmax.c | 387 |
1 files changed, 387 insertions, 0 deletions
diff --git a/sound/isa/gus/gusmax.c b/sound/isa/gus/gusmax.c new file mode 100644 index 00000000..41c3f448 --- /dev/null +++ b/sound/isa/gus/gusmax.c @@ -0,0 +1,387 @@ +/* + * Driver for Gravis UltraSound MAX soundcard + * 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/delay.h> +#include <linux/time.h> +#include <linux/module.h> +#include <asm/dma.h> +#include <sound/core.h> +#include <sound/gus.h> +#include <sound/wss.h> +#define SNDRV_LEGACY_FIND_FREE_IRQ +#define SNDRV_LEGACY_FIND_FREE_DMA +#include <sound/initval.h> + +MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); +MODULE_DESCRIPTION("Gravis UltraSound MAX"); +MODULE_LICENSE("GPL"); +MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound MAX}}"); + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ +static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ +static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */ +static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */ +static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */ +static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */ +static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29}; + /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */ +static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24}; +static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2}; + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard."); +module_param_array(port, long, NULL, 0444); +MODULE_PARM_DESC(port, "Port # for GUS MAX driver."); +module_param_array(irq, int, NULL, 0444); +MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver."); +module_param_array(dma1, int, NULL, 0444); +MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver."); +module_param_array(dma2, int, NULL, 0444); +MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver."); +module_param_array(joystick_dac, int, NULL, 0444); +MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver."); +module_param_array(channels, int, NULL, 0444); +MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver."); +module_param_array(pcm_channels, int, NULL, 0444); +MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver."); + +struct snd_gusmax { + int irq; + struct snd_card *card; + struct snd_gus_card *gus; + struct snd_wss *wss; + unsigned short gus_status_reg; + unsigned short pcm_status_reg; +}; + +#define PFX "gusmax: " + +static int __devinit snd_gusmax_detect(struct snd_gus_card * gus) +{ + unsigned char d; + + snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */ + if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) { + snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d); + return -ENODEV; + } + udelay(160); + snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */ + udelay(160); + if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) { + snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d); + return -ENODEV; + } + + return 0; +} + +static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id) +{ + struct snd_gusmax *maxcard = dev_id; + int loop, max = 5; + int handled = 0; + + do { + loop = 0; + if (inb(maxcard->gus_status_reg)) { + handled = 1; + snd_gus_interrupt(irq, maxcard->gus); + loop++; + } + if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */ + handled = 1; + snd_wss_interrupt(irq, maxcard->wss); + loop++; + } + } while (loop && --max > 0); + return IRQ_RETVAL(handled); +} + +static void __devinit snd_gusmax_init(int dev, struct snd_card *card, + struct snd_gus_card * gus) +{ + gus->equal_irq = 1; + gus->codec_flag = 1; + gus->joystick_dac = joystick_dac[dev]; + /* init control register */ + gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f; + if (gus->gf1.dma1 > 3) + gus->max_cntrl_val |= 0x10; + if (gus->gf1.dma2 > 3) + gus->max_cntrl_val |= 0x20; + gus->max_cntrl_val |= 0x40; + outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT)); +} + +static int __devinit snd_gusmax_mixer(struct snd_wss *chip) +{ + struct snd_card *card = chip->card; + struct snd_ctl_elem_id id1, id2; + int err; + + memset(&id1, 0, sizeof(id1)); + memset(&id2, 0, sizeof(id2)); + id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + /* reassign AUXA to SYNTHESIZER */ + strcpy(id1.name, "Aux Playback Switch"); + strcpy(id2.name, "Synth Playback Switch"); + if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) + return err; + strcpy(id1.name, "Aux Playback Volume"); + strcpy(id2.name, "Synth Playback Volume"); + if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) + return err; + /* reassign AUXB to CD */ + strcpy(id1.name, "Aux Playback Switch"); id1.index = 1; + strcpy(id2.name, "CD Playback Switch"); + if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) + return err; + strcpy(id1.name, "Aux Playback Volume"); + strcpy(id2.name, "CD Playback Volume"); + if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) + return err; +#if 0 + /* reassign Mono Input to MIC */ + if (snd_mixer_group_rename(mixer, + SNDRV_MIXER_IN_MONO, 0, + SNDRV_MIXER_IN_MIC, 0) < 0) + goto __error; + if (snd_mixer_elem_rename(mixer, + SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT, + SNDRV_MIXER_IN_MIC, 0) < 0) + goto __error; + if (snd_mixer_elem_rename(mixer, + "Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1, + "Mic Capture Volume", 0) < 0) + goto __error; + if (snd_mixer_elem_rename(mixer, + "Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1, + "Mic Capture Switch", 0) < 0) + goto __error; +#endif + return 0; +} + +static void snd_gusmax_free(struct snd_card *card) +{ + struct snd_gusmax *maxcard = card->private_data; + + if (maxcard == NULL) + return; + if (maxcard->irq >= 0) + free_irq(maxcard->irq, (void *)maxcard); +} + +static int __devinit snd_gusmax_match(struct device *pdev, unsigned int dev) +{ + return enable[dev]; +} + +static int __devinit snd_gusmax_probe(struct device *pdev, unsigned int dev) +{ + static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1}; + static int possible_dmas[] = {5, 6, 7, 1, 3, -1}; + int xirq, xdma1, xdma2, err; + struct snd_card *card; + struct snd_gus_card *gus = NULL; + struct snd_wss *wss; + struct snd_gusmax *maxcard; + + err = snd_card_create(index[dev], id[dev], THIS_MODULE, + sizeof(struct snd_gusmax), &card); + if (err < 0) + return err; + card->private_free = snd_gusmax_free; + maxcard = card->private_data; + maxcard->card = card; + maxcard->irq = -1; + + xirq = irq[dev]; + if (xirq == SNDRV_AUTO_IRQ) { + if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) { + snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); + err = -EBUSY; + goto _err; + } + } + xdma1 = dma1[dev]; + if (xdma1 == SNDRV_AUTO_DMA) { + if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) { + snd_printk(KERN_ERR PFX "unable to find a free DMA1\n"); + err = -EBUSY; + goto _err; + } + } + xdma2 = dma2[dev]; + if (xdma2 == SNDRV_AUTO_DMA) { + if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) { + snd_printk(KERN_ERR PFX "unable to find a free DMA2\n"); + err = -EBUSY; + goto _err; + } + } + + if (port[dev] != SNDRV_AUTO_PORT) { + err = snd_gus_create(card, + port[dev], + -xirq, xdma1, xdma2, + 0, channels[dev], + pcm_channels[dev], + 0, &gus); + } else { + static unsigned long possible_ports[] = { + 0x220, 0x230, 0x240, 0x250, 0x260 + }; + int i; + for (i = 0; i < ARRAY_SIZE(possible_ports); i++) { + err = snd_gus_create(card, + possible_ports[i], + -xirq, xdma1, xdma2, + 0, channels[dev], + pcm_channels[dev], + 0, &gus); + if (err >= 0) { + port[dev] = possible_ports[i]; + break; + } + } + } + if (err < 0) + goto _err; + + if ((err = snd_gusmax_detect(gus)) < 0) + goto _err; + + maxcard->gus_status_reg = gus->gf1.reg_irqstat; + maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2; + snd_gusmax_init(dev, card, gus); + if ((err = snd_gus_initialize(gus)) < 0) + goto _err; + + if (!gus->max_flag) { + snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port); + err = -ENODEV; + goto _err; + } + + if (request_irq(xirq, snd_gusmax_interrupt, 0, "GUS MAX", (void *)maxcard)) { + snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq); + err = -EBUSY; + goto _err; + } + maxcard->irq = xirq; + + err = snd_wss_create(card, + gus->gf1.port + 0x10c, -1, xirq, + xdma2 < 0 ? xdma1 : xdma2, xdma1, + WSS_HW_DETECT, + WSS_HWSHARE_IRQ | + WSS_HWSHARE_DMA1 | + WSS_HWSHARE_DMA2, + &wss); + if (err < 0) + goto _err; + + err = snd_wss_pcm(wss, 0, NULL); + if (err < 0) + goto _err; + + err = snd_wss_mixer(wss); + if (err < 0) + goto _err; + + err = snd_wss_timer(wss, 2, NULL); + if (err < 0) + goto _err; + + if (pcm_channels[dev] > 0) { + if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0) + goto _err; + } + err = snd_gusmax_mixer(wss); + if (err < 0) + goto _err; + + err = snd_gf1_rawmidi_new(gus, 0, NULL); + if (err < 0) + goto _err; + + sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1); + if (xdma2 >= 0) + sprintf(card->longname + strlen(card->longname), "&%i", xdma2); + + snd_card_set_dev(card, pdev); + + err = snd_card_register(card); + if (err < 0) + goto _err; + + maxcard->gus = gus; + maxcard->wss = wss; + + dev_set_drvdata(pdev, card); + return 0; + + _err: + snd_card_free(card); + return err; +} + +static int __devexit snd_gusmax_remove(struct device *devptr, unsigned int dev) +{ + snd_card_free(dev_get_drvdata(devptr)); + dev_set_drvdata(devptr, NULL); + return 0; +} + +#define DEV_NAME "gusmax" + +static struct isa_driver snd_gusmax_driver = { + .match = snd_gusmax_match, + .probe = snd_gusmax_probe, + .remove = __devexit_p(snd_gusmax_remove), + /* FIXME: suspend/resume */ + .driver = { + .name = DEV_NAME + }, +}; + +static int __init alsa_card_gusmax_init(void) +{ + return isa_register_driver(&snd_gusmax_driver, SNDRV_CARDS); +} + +static void __exit alsa_card_gusmax_exit(void) +{ + isa_unregister_driver(&snd_gusmax_driver); +} + +module_init(alsa_card_gusmax_init) +module_exit(alsa_card_gusmax_exit) |