/* * Driver for C-Media's CMI8330 soundcards. * Copyright (c) by George Talusan <gstalusan@uwaterloo.ca> * http://www.undergrad.math.uwaterloo.ca/~gstalusa * * 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 * */ /* * NOTES * * The extended registers contain mixer settings which are largely * untapped for the time being. * * MPU401 and SPDIF are not supported yet. I don't have the hardware * to aid in coding and testing, so I won't bother. * * To quickly load the module, * * modprobe -a snd-cmi8330 sbport=0x220 sbirq=5 sbdma8=1 * sbdma16=5 wssport=0x530 wssirq=11 wssdma=0 * * This card has two mixers and two PCM devices. I've cheesed it such * that recording and playback can be done through the same device. * The driver "magically" routes the capturing to the AD1848 codec, * and playback to the SB16 codec. This allows for full-duplex mode * to some extent. * The utilities in alsa-utils are aware of both devices, so passing * the appropriate parameters to amixer and alsactl will give you * full control over both mixers. */ #include <linux/init.h> #include <linux/err.h> #include <linux/isa.h> #include <linux/slab.h> #include <linux/pnp.h> #include <linux/moduleparam.h> #include <sound/core.h> #include <sound/wss.h> #include <sound/sb.h> #include <sound/initval.h> /* */ /* #define ENABLE_SB_MIXER */ #define PLAYBACK_ON_SB /* */ MODULE_AUTHOR("George Talusan <gstalusan@uwaterloo.ca>"); MODULE_DESCRIPTION("C-Media CMI8330"); MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8330,isapnp:{CMI0001,@@@0001,@X@0001}}}"); static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; #ifdef CONFIG_PNP static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1}; #endif static long sbport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; static int sbirq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; static int sbdma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; static int sbdma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; static long wssport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; static int wssirq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; static int wssdma[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "Index value for CMI8330 soundcard."); module_param_array(id, charp, NULL, 0444); MODULE_PARM_DESC(id, "ID string for CMI8330 soundcard."); module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "Enable CMI8330 soundcard."); #ifdef CONFIG_PNP module_param_array(isapnp, bool, NULL, 0444); MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard."); #endif module_param_array(sbport, long, NULL, 0444); MODULE_PARM_DESC(sbport, "Port # for CMI8330 SB driver."); module_param_array(sbirq, int, NULL, 0444); MODULE_PARM_DESC(sbirq, "IRQ # for CMI8330 SB driver."); module_param_array(sbdma8, int, NULL, 0444); MODULE_PARM_DESC(sbdma8, "DMA8 for CMI8330 SB driver."); module_param_array(sbdma16, int, NULL, 0444); MODULE_PARM_DESC(sbdma16, "DMA16 for CMI8330 SB driver."); module_param_array(wssport, long, NULL, 0444); MODULE_PARM_DESC(wssport, "Port # for CMI8330 WSS driver."); module_param_array(wssirq, int, NULL, 0444); MODULE_PARM_DESC(wssirq, "IRQ # for CMI8330 WSS driver."); module_param_array(wssdma, int, NULL, 0444); MODULE_PARM_DESC(wssdma, "DMA for CMI8330 WSS driver."); #ifdef CONFIG_PNP static int isa_registered; static int pnp_registered; #endif #define CMI8330_RMUX3D 16 #define CMI8330_MUTEMUX 17 #define CMI8330_OUTPUTVOL 18 #define CMI8330_MASTVOL 19 #define CMI8330_LINVOL 20 #define CMI8330_CDINVOL 21 #define CMI8330_WAVVOL 22 #define CMI8330_RECMUX 23 #define CMI8330_WAVGAIN 24 #define CMI8330_LINGAIN 25 #define CMI8330_CDINGAIN 26 static unsigned char snd_cmi8330_image[((CMI8330_CDINGAIN)-16) + 1] = { 0x40, /* 16 - recording mux (SB-mixer-enabled) */ #ifdef ENABLE_SB_MIXER 0x40, /* 17 - mute mux (Mode2) */ #else 0x0, /* 17 - mute mux */ #endif 0x0, /* 18 - vol */ 0x0, /* 19 - master volume */ 0x0, /* 20 - line-in volume */ 0x0, /* 21 - cd-in volume */ 0x0, /* 22 - wave volume */ 0x0, /* 23 - mute/rec mux */ 0x0, /* 24 - wave rec gain */ 0x0, /* 25 - line-in rec gain */ 0x0 /* 26 - cd-in rec gain */ }; typedef int (*snd_pcm_open_callback_t)(struct snd_pcm_substream *); struct snd_cmi8330 { #ifdef CONFIG_PNP struct pnp_dev *cap; struct pnp_dev *play; #endif struct snd_card *card; struct snd_wss *wss; struct snd_sb *sb; struct snd_pcm *pcm; struct snd_cmi8330_stream { struct snd_pcm_ops ops; snd_pcm_open_callback_t open; void *private_data; /* sb or wss */ } streams[2]; }; #ifdef CONFIG_PNP static struct pnp_card_device_id snd_cmi8330_pnpids[] = { { .id = "CMI0001", .devs = { { "@@@0001" }, { "@X@0001" } } }, { .id = "" } }; MODULE_DEVICE_TABLE(pnp_card, snd_cmi8330_pnpids); #endif static struct snd_kcontrol_new snd_cmi8330_controls[] __devinitdata = { WSS_DOUBLE("Master Playback Volume", 0, CMI8330_MASTVOL, CMI8330_MASTVOL, 4, 0, 15, 0), WSS_SINGLE("Loud Playback Switch", 0, CMI8330_MUTEMUX, 6, 1, 1), WSS_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), WSS_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1), WSS_DOUBLE("Line Playback Switch", 0, CMI8330_MUTEMUX, CMI8330_MUTEMUX, 4, 3, 1, 0), WSS_DOUBLE("Line Playback Volume", 0, CMI8330_LINVOL, CMI8330_LINVOL, 4, 0, 15, 0), WSS_DOUBLE("Line Capture Switch", 0, CMI8330_RMUX3D, CMI8330_RMUX3D, 2, 1, 1, 0), WSS_DOUBLE("Line Capture Volume", 0, CMI8330_LINGAIN, CMI8330_LINGAIN, 4, 0, 15, 0), WSS_DOUBLE("CD Playback Switch", 0, CMI8330_MUTEMUX, CMI8330_MUTEMUX, 2, 1, 1, 0), WSS_DOUBLE("CD Capture Switch", 0, CMI8330_RMUX3D, CMI8330_RMUX3D, 4, 3, 1, 0), WSS_DOUBLE("CD Playback Volume", 0, CMI8330_CDINVOL, CMI8330_CDINVOL, 4, 0, 15, 0), WSS_DOUBLE("CD Capture Volume", 0, CMI8330_CDINGAIN, CMI8330_CDINGAIN, 4, 0, 15, 0), WSS_SINGLE("Mic Playback Switch", 0, CMI8330_MUTEMUX, 0, 1, 0), WSS_SINGLE("Mic Playback Volume", 0, CMI8330_OUTPUTVOL, 0, 7, 0), WSS_SINGLE("Mic Capture Switch", 0, CMI8330_RMUX3D, 0, 1, 0), WSS_SINGLE("Mic Capture Volume", 0, CMI8330_OUTPUTVOL, 5, 7, 0), WSS_DOUBLE("Wavetable Playback Switch", 0, CMI8330_RECMUX, CMI8330_RECMUX, 1, 0, 1, 0), WSS_DOUBLE("Wavetable Playback Volume", 0, CMI8330_WAVVOL, CMI8330_WAVVOL, 4, 0, 15, 0), WSS_DOUBLE("Wavetable Capture Switch", 0, CMI8330_RECMUX, CMI8330_RECMUX, 5, 4, 1, 0), WSS_DOUBLE("Wavetable Capture Volume", 0, CMI8330_WAVGAIN, CMI8330_WAVGAIN, 4, 0, 15, 0), WSS_SINGLE("3D Control - Switch", 0, CMI8330_RMUX3D, 5, 1, 1), WSS_SINGLE("PC Speaker Playback Volume", 0, CMI8330_OUTPUTVOL, 3, 3, 0), WSS_SINGLE("FM Playback Switch", 0, CMI8330_RECMUX, 3, 1, 1), WSS_SINGLE(SNDRV_CTL_NAME_IEC958("Input ", CAPTURE, SWITCH), 0, CMI8330_RMUX3D, 7, 1, 1), WSS_SINGLE(SNDRV_CTL_NAME_IEC958("Input ", PLAYBACK, SWITCH), 0, CMI8330_MUTEMUX, 7, 1, 1), }; #ifdef ENABLE_SB_MIXER static struct sbmix_elem cmi8330_sb_mixers[] __devinitdata = { SB_DOUBLE("SB Master Playback Volume", SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31), SB_DOUBLE("Tone Control - Bass", SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15), SB_DOUBLE("Tone Control - Treble", SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15), SB_DOUBLE("SB PCM Playback Volume", SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31), SB_DOUBLE("SB Synth Playback Volume", SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31), SB_DOUBLE("SB CD Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1), SB_DOUBLE("SB CD Playback Volume", SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31), SB_DOUBLE("SB Line Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1), SB_DOUBLE("SB Line Playback Volume", SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31), SB_SINGLE("SB Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1), SB_SINGLE("SB Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31), SB_SINGLE("SB PC Speaker Volume", SB_DSP4_SPEAKER_DEV, 6, 3), SB_DOUBLE("SB Capture Volume", SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3), SB_DOUBLE("SB Playback Volume", SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3), SB_SINGLE("SB Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1), }; static unsigned char cmi8330_sb_init_values[][2] __devinitdata = { { SB_DSP4_MASTER_DEV + 0, 0 }, { SB_DSP4_MASTER_DEV + 1, 0 }, { SB_DSP4_PCM_DEV + 0, 0 }, { SB_DSP4_PCM_DEV + 1, 0 }, { SB_DSP4_SYNTH_DEV + 0, 0 }, { SB_DSP4_SYNTH_DEV + 1, 0 }, { SB_DSP4_INPUT_LEFT, 0 }, { SB_DSP4_INPUT_RIGHT, 0 }, { SB_DSP4_OUTPUT_SW, 0 }, { SB_DSP4_SPEAKER_DEV, 0 }, }; static int __devinit cmi8330_add_sb_mixers(struct snd_sb *chip) { int idx, err; unsigned long flags; spin_lock_irqsave(&chip->mixer_lock, flags); snd_sbmixer_write(chip, 0x00, 0x00); /* mixer reset */ spin_unlock_irqrestore(&chip->mixer_lock, flags); /* mute and zero volume channels */ for (idx = 0; idx < ARRAY_SIZE(cmi8330_sb_init_values); idx++) { spin_lock_irqsave(&chip->mixer_lock, flags); snd_sbmixer_write(chip, cmi8330_sb_init_values[idx][0], cmi8330_sb_init_values[idx][1]); spin_unlock_irqrestore(&chip->mixer_lock, flags); } for (idx = 0; idx < ARRAY_SIZE(cmi8330_sb_mixers); idx++) { if ((err = snd_sbmixer_add_ctl_elem(chip, &cmi8330_sb_mixers[idx])) < 0) return err; } return 0; } #endif static int __devinit snd_cmi8330_mixer(struct snd_card *card, struct snd_cmi8330 *acard) { unsigned int idx; int err; strcpy(card->mixername, "CMI8330/C3D"); for (idx = 0; idx < ARRAY_SIZE(snd_cmi8330_controls); idx++) { err = snd_ctl_add(card, snd_ctl_new1(&snd_cmi8330_controls[idx], acard->wss)); if (err < 0) return err; } #ifdef ENABLE_SB_MIXER if ((err = cmi8330_add_sb_mixers(acard->sb)) < 0) return err; #endif return 0; } #ifdef CONFIG_PNP static int __devinit snd_cmi8330_pnp(int dev, struct snd_cmi8330 *acard, struct pnp_card_link *card, const struct pnp_card_device_id *id) { struct pnp_dev *pdev; int err; acard->cap = pnp_request_card_device(card, id->devs[0].id, NULL); if (acard->cap == NULL) return -EBUSY; acard->play = pnp_request_card_device(card, id->devs[1].id, NULL); if (acard->play == NULL) return -EBUSY; pdev = acard->cap; err = pnp_activate_dev(pdev); if (err < 0) { snd_printk(KERN_ERR "CMI8330/C3D (AD1848) PnP configure failure\n"); return -EBUSY; } wssport[dev] = pnp_port_start(pdev, 0); wssdma[dev] = pnp_dma(pdev, 0); wssirq[dev] = pnp_irq(pdev, 0); /* allocate SB16 resources */ pdev = acard->play; err = pnp_activate_dev(pdev); if (err < 0) { snd_printk(KERN_ERR "CMI8330/C3D (SB16) PnP configure failure\n"); return -EBUSY; } sbport[dev] = pnp_port_start(pdev, 0); sbdma8[dev] = pnp_dma(pdev, 0); sbdma16[dev] = pnp_dma(pdev, 1); sbirq[dev] = pnp_irq(pdev, 0); return 0; } #endif /* * PCM interface * * since we call the different chip interfaces for playback and capture * directions, we need a trick. * * - copy the ops for each direction into a local record. * - replace the open callback with the new one, which replaces the * substream->private_data with the corresponding chip instance * and calls again the original open callback of the chip. * */ #ifdef PLAYBACK_ON_SB #define CMI_SB_STREAM SNDRV_PCM_STREAM_PLAYBACK #define CMI_AD_STREAM SNDRV_PCM_STREAM_CAPTURE #else #define CMI_SB_STREAM SNDRV_PCM_STREAM_CAPTURE #define CMI_AD_STREAM SNDRV_PCM_STREAM_PLAYBACK #endif static int snd_cmi8330_playback_open(struct snd_pcm_substream *substream) { struct snd_cmi8330 *chip = snd_pcm_substream_chip(substream); /* replace the private_data and call the original open callback */ substream->private_data = chip->streams[SNDRV_PCM_STREAM_PLAYBACK].private_data; return chip->streams[SNDRV_PCM_STREAM_PLAYBACK].open(substream); } static int snd_cmi8330_capture_open(struct snd_pcm_substream *substream) { struct snd_cmi8330 *chip = snd_pcm_substream_chip(substream); /* replace the private_data and call the original open callback */ substream->private_data = chip->streams[SNDRV_PCM_STREAM_CAPTURE].private_data; return chip->streams[SNDRV_PCM_STREAM_CAPTURE].open(substream); } static int __devinit snd_cmi8330_pcm(struct snd_card *card, struct snd_cmi8330 *chip) { struct snd_pcm *pcm; const struct snd_pcm_ops *ops; int err; static snd_pcm_open_callback_t cmi_open_callbacks[2] = { snd_cmi8330_playback_open, snd_cmi8330_capture_open }; if ((err = snd_pcm_new(card, "CMI8330", 0, 1, 1, &pcm)) < 0) return err; strcpy(pcm->name, "CMI8330"); pcm->private_data = chip; /* SB16 */ ops = snd_sb16dsp_get_pcm_ops(CMI_SB_STREAM); chip->streams[CMI_SB_STREAM].ops = *ops; chip->streams[CMI_SB_STREAM].open = ops->open; chip->streams[CMI_SB_STREAM].ops.open = cmi_open_callbacks[CMI_SB_STREAM]; chip->streams[CMI_SB_STREAM].private_data = chip->sb; /* AD1848 */ ops = snd_wss_get_pcm_ops(CMI_AD_STREAM); chip->streams[CMI_AD_STREAM].ops = *ops; chip->streams[CMI_AD_STREAM].open = ops->open; chip->streams[CMI_AD_STREAM].ops.open = cmi_open_callbacks[CMI_AD_STREAM]; chip->streams[CMI_AD_STREAM].private_data = chip->wss; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &chip->streams[SNDRV_PCM_STREAM_PLAYBACK].ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &chip->streams[SNDRV_PCM_STREAM_CAPTURE].ops); snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_isa_data(), 64*1024, 128*1024); chip->pcm = pcm; return 0; } #ifdef CONFIG_PM static int snd_cmi8330_suspend(struct snd_card *card) { struct snd_cmi8330 *acard = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); snd_pcm_suspend_all(acard->pcm); acard->wss->suspend(acard->wss); snd_sbmixer_suspend(acard->sb); return 0; } static int snd_cmi8330_resume(struct snd_card *card) { struct snd_cmi8330 *acard = card->private_data; snd_sbdsp_reset(acard->sb); snd_sbmixer_suspend(acard->sb); acard->wss->resume(acard->wss); snd_power_change_state(card, SNDRV_CTL_POWER_D0); return 0; } #endif /* */ #ifdef CONFIG_PNP #define is_isapnp_selected(dev) isapnp[dev] #else #define is_isapnp_selected(dev) 0 #endif #define PFX "cmi8330: " static struct snd_card *snd_cmi8330_card_new(int dev) { struct snd_card *card; struct snd_cmi8330 *acard; card = snd_card_new(index[dev], id[dev], THIS_MODULE, sizeof(struct snd_cmi8330)); if (card == NULL) { snd_printk(KERN_ERR PFX "could not get a new card\n"); return NULL; } acard = card->private_data; acard->card = card; return card; } static int __devinit snd_cmi8330_probe(struct snd_card *card, int dev) { struct snd_cmi8330 *acard; int i, err; acard = card->private_data; err = snd_wss_create(card, wssport[dev] + 4, -1, wssirq[dev], wssdma[dev], -1, WSS_HW_DETECT, 0, &acard->wss); if (err < 0) { snd_printk(KERN_ERR PFX "(AD1848) device busy??\n"); return err; } if (acard->wss->hardware != WSS_HW_CMI8330) { snd_printk(KERN_ERR PFX "(AD1848) not found during probe\n"); return -ENODEV; } if ((err = snd_sbdsp_create(card, sbport[dev], sbirq[dev], snd_sb16dsp_interrupt, sbdma8[dev], sbdma16[dev], SB_HW_AUTO, &acard->sb)) < 0) { snd_printk(KERN_ERR PFX "(SB16) device busy??\n"); return err; } if (acard->sb->hardware != SB_HW_16) { snd_printk(KERN_ERR PFX "(SB16) not found during probe\n"); return err; } snd_wss_out(acard->wss, CS4231_MISC_INFO, 0x40); /* switch on MODE2 */ for (i = CMI8330_RMUX3D; i <= CMI8330_CDINGAIN; i++) snd_wss_out(acard->wss, i, snd_cmi8330_image[i - CMI8330_RMUX3D]); if ((err = snd_cmi8330_mixer(card, acard)) < 0) { snd_printk(KERN_ERR PFX "failed to create mixers\n"); return err; } if ((err = snd_cmi8330_pcm(card, acard)) < 0) { snd_printk(KERN_ERR PFX "failed to create pcms\n"); return err; } strcpy(card->driver, "CMI8330/C3D"); strcpy(card->shortname, "C-Media CMI8330/C3D"); sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d", card->shortname, acard->wss->port, wssirq[dev], wssdma[dev]); return snd_card_register(card); } static int __devinit snd_cmi8330_isa_match(struct device *pdev, unsigned int dev) { if (!enable[dev] || is_isapnp_selected(dev)) return 0; if (wssport[dev] == SNDRV_AUTO_PORT) { snd_printk(KERN_ERR PFX "specify wssport\n"); return 0; } if (sbport[dev] == SNDRV_AUTO_PORT) { snd_printk(KERN_ERR PFX "specify sbport\n"); return 0; } return 1; } static int __devinit snd_cmi8330_isa_probe(struct device *pdev, unsigned int dev) { struct snd_card *card; int err; card = snd_cmi8330_card_new(dev); if (! card) return -ENOMEM; snd_card_set_dev(card, pdev); if ((err = snd_cmi8330_probe(card, dev)) < 0) { snd_card_free(card); return err; } dev_set_drvdata(pdev, card); return 0; } static int __devexit snd_cmi8330_isa_remove(struct device *devptr, unsigned int dev) { snd_card_free(dev_get_drvdata(devptr)); dev_set_drvdata(devptr, NULL); return 0; } #ifdef CONFIG_PM static int snd_cmi8330_isa_suspend(struct device *dev, unsigned int n, pm_message_t state) { return snd_cmi8330_suspend(dev_get_drvdata(dev)); } static int snd_cmi8330_isa_resume(struct device *dev, unsigned int n) { return snd_cmi8330_resume(dev_get_drvdata(dev)); } #endif #define DEV_NAME "cmi8330" static struct isa_driver snd_cmi8330_driver = { .match = snd_cmi8330_isa_match, .probe = snd_cmi8330_isa_probe, .remove = __devexit_p(snd_cmi8330_isa_remove), #ifdef CONFIG_PM .suspend = snd_cmi8330_isa_suspend, .resume = snd_cmi8330_isa_resume, #endif .driver = { .name = DEV_NAME }, }; #ifdef CONFIG_PNP static int __devinit snd_cmi8330_pnp_detect(struct pnp_card_link *pcard, const struct pnp_card_device_id *pid) { static int dev; struct snd_card *card; int res; for ( ; dev < SNDRV_CARDS; dev++) { if (enable[dev] && isapnp[dev]) break; } if (dev >= SNDRV_CARDS) return -ENODEV; card = snd_cmi8330_card_new(dev); if (! card) return -ENOMEM; if ((res = snd_cmi8330_pnp(dev, card->private_data, pcard, pid)) < 0) { snd_printk(KERN_ERR PFX "PnP detection failed\n"); snd_card_free(card); return res; } snd_card_set_dev(card, &pcard->card->dev); if ((res = snd_cmi8330_probe(card, dev)) < 0) { snd_card_free(card); return res; } pnp_set_card_drvdata(pcard, card); dev++; return 0; } static void __devexit snd_cmi8330_pnp_remove(struct pnp_card_link * pcard) { snd_card_free(pnp_get_card_drvdata(pcard)); pnp_set_card_drvdata(pcard, NULL); } #ifdef CONFIG_PM static int snd_cmi8330_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state) { return snd_cmi8330_suspend(pnp_get_card_drvdata(pcard)); } static int snd_cmi8330_pnp_resume(struct pnp_card_link *pcard) { return snd_cmi8330_resume(pnp_get_card_drvdata(pcard)); } #endif static struct pnp_card_driver cmi8330_pnpc_driver = { .flags = PNP_DRIVER_RES_DISABLE, .name = "cmi8330", .id_table = snd_cmi8330_pnpids, .probe = snd_cmi8330_pnp_detect, .remove = __devexit_p(snd_cmi8330_pnp_remove), #ifdef CONFIG_PM .suspend = snd_cmi8330_pnp_suspend, .resume = snd_cmi8330_pnp_resume, #endif }; #endif /* CONFIG_PNP */ static int __init alsa_card_cmi8330_init(void) { int err; err = isa_register_driver(&snd_cmi8330_driver, SNDRV_CARDS); #ifdef CONFIG_PNP if (!err) isa_registered = 1; err = pnp_register_card_driver(&cmi8330_pnpc_driver); if (!err) pnp_registered = 1; if (isa_registered) err = 0; #endif return err; } static void __exit alsa_card_cmi8330_exit(void) { #ifdef CONFIG_PNP if (pnp_registered) pnp_unregister_card_driver(&cmi8330_pnpc_driver); if (isa_registered) #endif isa_unregister_driver(&snd_cmi8330_driver); } module_init(alsa_card_cmi8330_init) module_exit(alsa_card_cmi8330_exit)