intel8x0.c

linux 内核源代码

	.hw_free =	snd_intel8x0_hw_free,
	.prepare =	snd_intel8x0_pcm_prepare,
	.trigger =	snd_intel8x0_ali_trigger,
	.pointer =	snd_intel8x0_pcm_pointer,
};

static struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
	.open =		snd_intel8x0_capture_open,
	.close =	snd_intel8x0_capture_close,
	.ioctl =	snd_pcm_lib_ioctl,
	.hw_params =	snd_intel8x0_hw_params,
	.hw_free =	snd_intel8x0_hw_free,
	.prepare =	snd_intel8x0_pcm_prepare,
	.trigger =	snd_intel8x0_ali_trigger,
	.pointer =	snd_intel8x0_pcm_pointer,
};

static struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
	.open =		snd_intel8x0_mic_open,
	.close =	snd_intel8x0_mic_close,
	.ioctl =	snd_pcm_lib_ioctl,
	.hw_params =	snd_intel8x0_hw_params,
	.hw_free =	snd_intel8x0_hw_free,
	.prepare =	snd_intel8x0_pcm_prepare,
	.trigger =	snd_intel8x0_ali_trigger,
	.pointer =	snd_intel8x0_pcm_pointer,
};

static struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
	.open =		snd_intel8x0_ali_ac97spdifout_open,
	.close =	snd_intel8x0_ali_ac97spdifout_close,
	.ioctl =	snd_pcm_lib_ioctl,
	.hw_params =	snd_intel8x0_hw_params,
	.hw_free =	snd_intel8x0_hw_free,
	.prepare =	snd_intel8x0_pcm_prepare,
	.trigger =	snd_intel8x0_ali_trigger,
	.pointer =	snd_intel8x0_pcm_pointer,
};

#if 0 // NYI
static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = {
	.open =		snd_intel8x0_ali_spdifin_open,
	.close =	snd_intel8x0_ali_spdifin_close,
	.ioctl =	snd_pcm_lib_ioctl,
	.hw_params =	snd_intel8x0_hw_params,
	.hw_free =	snd_intel8x0_hw_free,
	.prepare =	snd_intel8x0_pcm_prepare,
	.trigger =	snd_intel8x0_pcm_trigger,
	.pointer =	snd_intel8x0_pcm_pointer,
};

static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = {
	.open =		snd_intel8x0_ali_spdifout_open,
	.close =	snd_intel8x0_ali_spdifout_close,
	.ioctl =	snd_pcm_lib_ioctl,
	.hw_params =	snd_intel8x0_hw_params,
	.hw_free =	snd_intel8x0_hw_free,
	.prepare =	snd_intel8x0_pcm_prepare,
	.trigger =	snd_intel8x0_pcm_trigger,
	.pointer =	snd_intel8x0_pcm_pointer,
};
#endif // NYI

struct ich_pcm_table {
	char *suffix;
	struct snd_pcm_ops *playback_ops;
	struct snd_pcm_ops *capture_ops;
	size_t prealloc_size;
	size_t prealloc_max_size;
	int ac97_idx;
};

static int __devinit snd_intel8x0_pcm1(struct intel8x0 *chip, int device,
				       struct ich_pcm_table *rec)
{
	struct snd_pcm *pcm;
	int err;
	char name[32];

	if (rec->suffix)
		sprintf(name, "Intel ICH - %s", rec->suffix);
	else
		strcpy(name, "Intel ICH");
	err = snd_pcm_new(chip->card, name, device,
			  rec->playback_ops ? 1 : 0,
			  rec->capture_ops ? 1 : 0, &pcm);
	if (err < 0)
		return err;

	if (rec->playback_ops)
		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops);
	if (rec->capture_ops)
		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops);

	pcm->private_data = chip;
	pcm->info_flags = 0;
	if (rec->suffix)
		sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix);
	else
		strcpy(pcm->name, chip->card->shortname);
	chip->pcm[device] = pcm;

	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
					      snd_dma_pci_data(chip->pci),
					      rec->prealloc_size, rec->prealloc_max_size);

	return 0;
}

static struct ich_pcm_table intel_pcms[] __devinitdata = {
	{
		.playback_ops = &snd_intel8x0_playback_ops,
		.capture_ops = &snd_intel8x0_capture_ops,
		.prealloc_size = 64 * 1024,
		.prealloc_max_size = 128 * 1024,
	},
	{
		.suffix = "MIC ADC",
		.capture_ops = &snd_intel8x0_capture_mic_ops,
		.prealloc_size = 0,
		.prealloc_max_size = 128 * 1024,
		.ac97_idx = ICHD_MIC,
	},
	{
		.suffix = "MIC2 ADC",
		.capture_ops = &snd_intel8x0_capture_mic2_ops,
		.prealloc_size = 0,
		.prealloc_max_size = 128 * 1024,
		.ac97_idx = ICHD_MIC2,
	},
	{
		.suffix = "ADC2",
		.capture_ops = &snd_intel8x0_capture2_ops,
		.prealloc_size = 0,
		.prealloc_max_size = 128 * 1024,
		.ac97_idx = ICHD_PCM2IN,
	},
	{
		.suffix = "IEC958",
		.playback_ops = &snd_intel8x0_spdif_ops,
		.prealloc_size = 64 * 1024,
		.prealloc_max_size = 128 * 1024,
		.ac97_idx = ICHD_SPBAR,
	},
};

static struct ich_pcm_table nforce_pcms[] __devinitdata = {
	{
		.playback_ops = &snd_intel8x0_playback_ops,
		.capture_ops = &snd_intel8x0_capture_ops,
		.prealloc_size = 64 * 1024,
		.prealloc_max_size = 128 * 1024,
	},
	{
		.suffix = "MIC ADC",
		.capture_ops = &snd_intel8x0_capture_mic_ops,
		.prealloc_size = 0,
		.prealloc_max_size = 128 * 1024,
		.ac97_idx = NVD_MIC,
	},
	{
		.suffix = "IEC958",
		.playback_ops = &snd_intel8x0_spdif_ops,
		.prealloc_size = 64 * 1024,
		.prealloc_max_size = 128 * 1024,
		.ac97_idx = NVD_SPBAR,
	},
};

static struct ich_pcm_table ali_pcms[] __devinitdata = {
	{
		.playback_ops = &snd_intel8x0_ali_playback_ops,
		.capture_ops = &snd_intel8x0_ali_capture_ops,
		.prealloc_size = 64 * 1024,
		.prealloc_max_size = 128 * 1024,
	},
	{
		.suffix = "MIC ADC",
		.capture_ops = &snd_intel8x0_ali_capture_mic_ops,
		.prealloc_size = 0,
		.prealloc_max_size = 128 * 1024,
		.ac97_idx = ALID_MIC,
	},
	{
		.suffix = "IEC958",
		.playback_ops = &snd_intel8x0_ali_ac97spdifout_ops,
		/* .capture_ops = &snd_intel8x0_ali_spdifin_ops, */
		.prealloc_size = 64 * 1024,
		.prealloc_max_size = 128 * 1024,
		.ac97_idx = ALID_AC97SPDIFOUT,
	},
#if 0 // NYI
	{
		.suffix = "HW IEC958",
		.playback_ops = &snd_intel8x0_ali_spdifout_ops,
		.prealloc_size = 64 * 1024,
		.prealloc_max_size = 128 * 1024,
	},
#endif
};

static int __devinit snd_intel8x0_pcm(struct intel8x0 *chip)
{
	int i, tblsize, device, err;
	struct ich_pcm_table *tbl, *rec;

	switch (chip->device_type) {
	case DEVICE_INTEL_ICH4:
		tbl = intel_pcms;
		tblsize = ARRAY_SIZE(intel_pcms);
		if (spdif_aclink)
			tblsize--;
		break;
	case DEVICE_NFORCE:
		tbl = nforce_pcms;
		tblsize = ARRAY_SIZE(nforce_pcms);
		if (spdif_aclink)
			tblsize--;
		break;
	case DEVICE_ALI:
		tbl = ali_pcms;
		tblsize = ARRAY_SIZE(ali_pcms);
		break;
	default:
		tbl = intel_pcms;
		tblsize = 2;
		break;
	}

	device = 0;
	for (i = 0; i < tblsize; i++) {
		rec = tbl + i;
		if (i > 0 && rec->ac97_idx) {
			/* activate PCM only when associated AC'97 codec */
			if (! chip->ichd[rec->ac97_idx].pcm)
				continue;
		}
		err = snd_intel8x0_pcm1(chip, device, rec);
		if (err < 0)
			return err;
		device++;
	}

	chip->pcm_devs = device;
	return 0;
}
	

/*
 *  Mixer part
 */

static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
{
	struct intel8x0 *chip = bus->private_data;
	chip->ac97_bus = NULL;
}

static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97)
{
	struct intel8x0 *chip = ac97->private_data;
	chip->ac97[ac97->num] = NULL;
}

static struct ac97_pcm ac97_pcm_defs[] __devinitdata = {
	/* front PCM */
	{
		.exclusive = 1,
		.r = {	{
				.slots = (1 << AC97_SLOT_PCM_LEFT) |
					 (1 << AC97_SLOT_PCM_RIGHT) |
					 (1 << AC97_SLOT_PCM_CENTER) |
					 (1 << AC97_SLOT_PCM_SLEFT) |
					 (1 << AC97_SLOT_PCM_SRIGHT) |
					 (1 << AC97_SLOT_LFE)
			},
			{
				.slots = (1 << AC97_SLOT_PCM_LEFT) |
					 (1 << AC97_SLOT_PCM_RIGHT) |
					 (1 << AC97_SLOT_PCM_LEFT_0) |
					 (1 << AC97_SLOT_PCM_RIGHT_0)
			}
		}
	},
	/* PCM IN #1 */
	{
		.stream = 1,
		.exclusive = 1,
		.r = {	{
				.slots = (1 << AC97_SLOT_PCM_LEFT) |
					 (1 << AC97_SLOT_PCM_RIGHT)
			}
		}
	},
	/* MIC IN #1 */
	{
		.stream = 1,
		.exclusive = 1,
		.r = {	{
				.slots = (1 << AC97_SLOT_MIC)
			}
		}
	},
	/* S/PDIF PCM */
	{
		.exclusive = 1,
		.spdif = 1,
		.r = {	{
				.slots = (1 << AC97_SLOT_SPDIF_LEFT2) |
					 (1 << AC97_SLOT_SPDIF_RIGHT2)
			}
		}
	},
	/* PCM IN #2 */
	{
		.stream = 1,
		.exclusive = 1,
		.r = {	{
				.slots = (1 << AC97_SLOT_PCM_LEFT) |
					 (1 << AC97_SLOT_PCM_RIGHT)
			}
		}
	},
	/* MIC IN #2 */
	{
		.stream = 1,
		.exclusive = 1,
		.r = {	{
				.slots = (1 << AC97_SLOT_MIC)
			}
		}
	},
};

static struct ac97_quirk ac97_quirks[] __devinitdata = {
	{
		.subvendor = 0x0e11,
		.subdevice = 0x008a,
		.name = "Compaq Evo W4000",	/* AD1885 */
		.type = AC97_TUNE_HP_ONLY
	},
	{
		.subvendor = 0x0e11,
		.subdevice = 0x00b8,
		.name = "Compaq Evo D510C",
		.type = AC97_TUNE_HP_ONLY
	},
        {
		.subvendor = 0x0e11,
		.subdevice = 0x0860,
		.name = "HP/Compaq nx7010",
		.type = AC97_TUNE_MUTE_LED
        },
	{
		.subvendor = 0x1014,
		.subdevice = 0x1f00,
		.name = "MS-9128",
		.type = AC97_TUNE_ALC_JACK
	},
	{
		.subvendor = 0x1014,
		.subdevice = 0x0267,
		.name = "IBM NetVista A30p",	/* AD1981B */
		.type = AC97_TUNE_HP_ONLY
	},
	{
		.subvendor = 0x1025,
		.subdevice = 0x0083,
		.name = "Acer Aspire 3003LCi",
		.type = AC97_TUNE_HP_ONLY
	},
	{
		.subvendor = 0x1028,
		.subdevice = 0x00d8,
		.name = "Dell Precision 530",	/* AD1885 */
		.type = AC97_TUNE_HP_ONLY
	},
	{
		.subvendor = 0x1028,
		.subdevice = 0x010d,
		.name = "Dell",	/* which model?  AD1885 */
		.type = AC97_TUNE_HP_ONLY
	},
	{
		.subvendor = 0x1028,
		.subdevice = 0x0126,
		.name = "Dell Optiplex GX260",	/* AD1981A */
		.type = AC97_TUNE_HP_ONLY
	},
	{
		.subvendor = 0x1028,
		.subdevice = 0x012c,
		.name = "Dell Precision 650",	/* AD1981A */
		.type = AC97_TUNE_HP_ONLY
	},
	{
		.subvendor = 0x1028,
		.subdevice = 0x012d,
		.name = "Dell Precision 450",	/* AD1981B*/
		.type = AC97_TUNE_HP_ONLY
	},
	{
		.subvendor = 0x1028,
		.subdevice = 0x0147,
		.name = "Dell",	/* which model?  AD1981B*/
		.type = AC97_TUNE_HP_ONLY
	},
	{
		.subvendor = 0x1028,
		.subdevice = 0x0151,
		.name = "Dell Optiplex GX270",  /* AD1981B */
		.type = AC97_TUNE_HP_ONLY
	},
	{
		.subvendor = 0x1028,
		.subdevice = 0x014e,
		.name = "Dell D800", /* STAC9750/51 */
		.type = AC97_TUNE_HP_ONLY
	},
	{
		.subvendor = 0x1028,
		.subdevice = 0x0163,
		.name = "Dell Unknown",	/* STAC9750/51 */
		.type = AC97_TUNE_HP_ONLY
	},
	{
		.subvendor = 0x1028,
		.subdevice = 0x0186,
		.name = "Dell Latitude D810", /* cf. Malone #41015 */
		.type = AC97_TUNE_HP_MUTE_LED
	},
	{
		.subvendor = 0x1028,
		.subdevice = 0x0188,
		.name = "Dell Inspiron 6000",
		.type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */
	},
	{
		.subvendor = 0x1028,
		.subdevice = 0x0191,
		.name = "Dell Inspiron 8600",
		.type = AC97_TUNE_HP_ONLY
	},
	{
		.subvendor = 0x103c,
		.subdevice = 0x006d,
		.name = "HP zv5000",
		.type = AC97_TUNE_MUTE_LED	/*AD1981B*/
	},
	{	/* FIXME: which codec? */
		.subvendor = 0x103c,
		.subdevice = 0x00c3,
		.name = "HP xw6000",
		.type = AC97_TUNE_HP_ONLY
	},
	{
		.subvendor = 0x103c,
		.subdevice = 0x088c,