Exemplo n.º 1
0
/*
 * Override for the CS4231 capture format function. 
 * The AD1845 has much simpler format and rate selection.
 */
static void ad1845_capture_format(struct snd_wss *chip,
				  struct snd_pcm_hw_params *params,
				  unsigned char format)
{
	unsigned long flags;
	unsigned rate = params_rate(params);

	/*
	 * The AD1845 can't handle sample frequencies 
	 * outside of 4 kHZ to 50 kHZ
	 */
	if (rate > 50000)
		rate = 50000;
	else if (rate < 4000)
		rate = 4000;

	spin_lock_irqsave(&chip->reg_lock, flags);

	/*
	 * Program the AD1845 correctly for the playback stream.
	 * Note that we do NOT need to toggle the MCE bit because
	 * the CAPTURE_ENABLE bit of the Interface Configuration
	 * register is set.
	 *
	 * NOTE: We seem to need to write to the MSB before the LSB
	 *       to get the correct sample frequency.
	 */
	snd_wss_out(chip, CS4231_REC_FORMAT, (format & 0xf0));
	snd_wss_out(chip, AD1845_FREQ_SEL_MSB, (unsigned char) (rate >> 8));
	snd_wss_out(chip, AD1845_FREQ_SEL_LSB, (unsigned char) rate);

	spin_unlock_irqrestore(&chip->reg_lock, flags);
}
Exemplo n.º 2
0
static int snd_sgalaxy_resume(struct device *pdev, unsigned int n)
{
	struct snd_card *card = dev_get_drvdata(pdev);
	struct snd_wss *chip = card->private_data;

	chip->resume(chip);
	snd_wss_out(chip, SGALAXY_AUXC_LEFT, chip->image[SGALAXY_AUXC_LEFT]);
	snd_wss_out(chip, SGALAXY_AUXC_RIGHT, chip->image[SGALAXY_AUXC_RIGHT]);

	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	return 0;
}
Exemplo n.º 3
0
static int snd_cs4236_put_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int left_reg = kcontrol->private_value & 0xff;
	int right_reg = (kcontrol->private_value >> 8) & 0xff;
	int shift_left = (kcontrol->private_value >> 16) & 0x07;
	int shift_right = (kcontrol->private_value >> 19) & 0x07;
	int mask = (kcontrol->private_value >> 24) & 0xff;
	int invert = (kcontrol->private_value >> 22) & 1;
	int change;
	unsigned short val1, val2;
	
	val1 = ucontrol->value.integer.value[0] & mask;
	val2 = ucontrol->value.integer.value[1] & mask;
	if (invert) {
		val1 = mask - val1;
		val2 = mask - val2;
	}
	val1 <<= shift_left;
	val2 <<= shift_right;
	spin_lock_irqsave(&chip->reg_lock, flags);
	val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
	val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2;
	change = val1 != chip->image[left_reg] || val2 != chip->eimage[CS4236_REG(right_reg)];
	snd_wss_out(chip, left_reg, val1);
	snd_cs4236_ext_out(chip, right_reg, val2);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return change;
}
Exemplo n.º 4
0
static void snd_cs4236_resume(struct snd_wss *chip)
{
	int reg;
	unsigned long flags;
	
	snd_wss_mce_up(chip);
	spin_lock_irqsave(&chip->reg_lock, flags);
	for (reg = 0; reg < 32; reg++) {
		switch (reg) {
		case CS4236_EXT_REG:
		case CS4231_VERSION:
		case 27:	/* why? CS4235 - master left */
		case 29:	/* why? CS4235 - master right */
			break;
		default:
			snd_wss_out(chip, reg, chip->image[reg]);
			break;
		}
	}
	for (reg = 0; reg < 18; reg++)
		snd_cs4236_ext_out(chip, CS4236_I23VAL(reg), chip->eimage[reg]);
	for (reg = 2; reg < 9; reg++) {
		switch (reg) {
		case 7:
			break;
		default:
			snd_cs4236_ctrl_out(chip, reg, chip->cimage[reg]);
		}
	}
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	snd_wss_mce_down(chip);
}
Exemplo n.º 5
0
static void snd_cs4236_capture_format(struct snd_wss *chip,
				      struct snd_pcm_hw_params *params,
				      unsigned char cdfr)
{
	unsigned long flags;
	unsigned char rate = divisor_to_rate_register(params->rate_den);
	
	spin_lock_irqsave(&chip->reg_lock, flags);
	/* set fast capture format change and clean capture FIFO */
	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
		    chip->image[CS4231_ALT_FEATURE_1] | 0x20);
	snd_wss_out(chip, CS4231_REC_FORMAT, cdfr & 0xf0);
	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
		    chip->image[CS4231_ALT_FEATURE_1] & ~0x20);
	snd_cs4236_ext_out(chip, CS4236_ADC_RATE, rate);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
}
Exemplo n.º 6
0
static void snd_cs4236_playback_format(struct snd_wss *chip,
				       struct snd_pcm_hw_params *params,
				       unsigned char pdfr)
{
	unsigned long flags;
	unsigned char rate = divisor_to_rate_register(params->rate_den);
	
	spin_lock_irqsave(&chip->reg_lock, flags);
	/* set fast playback format change and clean playback FIFO */
	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
		    chip->image[CS4231_ALT_FEATURE_1] | 0x10);
	snd_wss_out(chip, CS4231_PLAYBK_FORMAT, pdfr & 0xf0);
	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
		    chip->image[CS4231_ALT_FEATURE_1] & ~0x10);
	snd_cs4236_ext_out(chip, CS4236_DAC_RATE, rate);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
}
Exemplo n.º 7
0
static int snd_cs4235_put_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int change;
	unsigned short val1, val2;
	
	val1 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[0]);
	val2 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[1]);
	spin_lock_irqsave(&chip->reg_lock, flags);
	val1 = (chip->image[CS4235_LEFT_MASTER] & ~(3 << 5)) | val1;
	val2 = (chip->image[CS4235_RIGHT_MASTER] & ~(3 << 5)) | val2;
	change = val1 != chip->image[CS4235_LEFT_MASTER] || val2 != chip->image[CS4235_RIGHT_MASTER];
	snd_wss_out(chip, CS4235_LEFT_MASTER, val1);
	snd_wss_out(chip, CS4235_RIGHT_MASTER, val2);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return change;
}
Exemplo n.º 8
0
static int snd_cs4236_put_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int change;
	unsigned short enable, val;
	
	enable = ucontrol->value.integer.value[0] & 1;

	mutex_lock(&chip->mce_mutex);
	snd_wss_mce_up(chip);
	spin_lock_irqsave(&chip->reg_lock, flags);
	val = (chip->image[CS4231_ALT_FEATURE_1] & ~0x0e) | (0<<2) | (enable << 1);
	change = val != chip->image[CS4231_ALT_FEATURE_1];
	snd_wss_out(chip, CS4231_ALT_FEATURE_1, val);
	val = snd_cs4236_ctrl_in(chip, 4) | 0xc0;
	snd_cs4236_ctrl_out(chip, 4, val);
	udelay(100);
	val &= ~0x40;
	snd_cs4236_ctrl_out(chip, 4, val);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	snd_wss_mce_down(chip);
	mutex_unlock(&chip->mce_mutex);

#if 0
	printk(KERN_DEBUG "set valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, "
	       "C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
			snd_wss_in(chip, CS4231_ALT_FEATURE_1),
			snd_cs4236_ctrl_in(chip, 3),
			snd_cs4236_ctrl_in(chip, 4),
			snd_cs4236_ctrl_in(chip, 5),
			snd_cs4236_ctrl_in(chip, 6),
			snd_cs4236_ctrl_in(chip, 8));
#endif
	return change;
}
Exemplo n.º 9
0
int snd_cs4236_create(struct snd_card *card,
		      unsigned long port,
		      unsigned long cport,
		      int irq, int dma1, int dma2,
		      unsigned short hardware,
		      unsigned short hwshare,
		      struct snd_wss **rchip)
{
	struct snd_wss *chip;
	unsigned char ver1, ver2;
	unsigned int reg;
	int err;

	*rchip = NULL;
	if (hardware == WSS_HW_DETECT)
		hardware = WSS_HW_DETECT3;
	if (cport < 0x100) {
		snd_printk(KERN_ERR "please, specify control port "
			   "for CS4236+ chips\n");
		return -ENODEV;
	}
	err = snd_wss_create(card, port, cport,
			     irq, dma1, dma2, hardware, hwshare, &chip);
	if (err < 0)
		return err;

	if (!(chip->hardware & WSS_HW_CS4236B_MASK)) {
		snd_printk(KERN_ERR "CS4236+: MODE3 and extended registers "
			   "not available, hardware=0x%x\n", chip->hardware);
		snd_device_free(card, chip);
		return -ENODEV;
	}
#if 0
	{
		int idx;
		for (idx = 0; idx < 8; idx++)
			snd_printk(KERN_DEBUG "CD%i = 0x%x\n",
				   idx, inb(chip->cport + idx));
		for (idx = 0; idx < 9; idx++)
			snd_printk(KERN_DEBUG "C%i = 0x%x\n",
				   idx, snd_cs4236_ctrl_in(chip, idx));
	}
#endif
	ver1 = snd_cs4236_ctrl_in(chip, 1);
	ver2 = snd_cs4236_ext_in(chip, CS4236_VERSION);
	snd_printdd("CS4236: [0x%lx] C1 (version) = 0x%x, ext = 0x%x\n", cport, ver1, ver2);
	if (ver1 != ver2) {
		snd_printk(KERN_ERR "CS4236+ chip detected, but "
			   "control port 0x%lx is not valid\n", cport);
		snd_device_free(card, chip);
		return -ENODEV;
	}
	snd_cs4236_ctrl_out(chip, 0, 0x00);
	snd_cs4236_ctrl_out(chip, 2, 0xff);
	snd_cs4236_ctrl_out(chip, 3, 0x00);
	snd_cs4236_ctrl_out(chip, 4, 0x80);
	snd_cs4236_ctrl_out(chip, 5, ((IEC958_AES1_CON_PCM_CODER & 3) << 6) | IEC958_AES0_CON_EMPHASIS_NONE);
	snd_cs4236_ctrl_out(chip, 6, IEC958_AES1_CON_PCM_CODER >> 2);
	snd_cs4236_ctrl_out(chip, 7, 0x00);
	/* 0x8c for C8 is valid for Turtle Beach Malibu - the IEC-958 output */
	/* is working with this setup, other hardware should have */
	/* different signal paths and this value should be selectable */
	/* in the future */
	snd_cs4236_ctrl_out(chip, 8, 0x8c);
	chip->rate_constraint = snd_cs4236_xrate;
	chip->set_playback_format = snd_cs4236_playback_format;
	chip->set_capture_format = snd_cs4236_capture_format;
#ifdef CONFIG_PM
	chip->suspend = snd_cs4236_suspend;
	chip->resume = snd_cs4236_resume;
#endif

	/* initialize extended registers */
	for (reg = 0; reg < sizeof(snd_cs4236_ext_map); reg++)
		snd_cs4236_ext_out(chip, CS4236_I23VAL(reg), snd_cs4236_ext_map[reg]);

        /* initialize compatible but more featured registers */
	snd_wss_out(chip, CS4231_LEFT_INPUT, 0x40);
	snd_wss_out(chip, CS4231_RIGHT_INPUT, 0x40);
	snd_wss_out(chip, CS4231_AUX1_LEFT_INPUT, 0xff);
	snd_wss_out(chip, CS4231_AUX1_RIGHT_INPUT, 0xff);
	snd_wss_out(chip, CS4231_AUX2_LEFT_INPUT, 0xdf);
	snd_wss_out(chip, CS4231_AUX2_RIGHT_INPUT, 0xdf);
	snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff);
	snd_wss_out(chip, CS4231_LEFT_LINE_IN, 0xff);
	snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff);
	switch (chip->hardware) {
	case WSS_HW_CS4235:
	case WSS_HW_CS4239:
		snd_wss_out(chip, CS4235_LEFT_MASTER, 0xff);
		snd_wss_out(chip, CS4235_RIGHT_MASTER, 0xff);
		break;
	}

	*rchip = chip;
	return 0;
}
int snd_cs4236_create(struct snd_card *card,
		      unsigned long port,
		      unsigned long cport,
		      int irq, int dma1, int dma2,
		      unsigned short hardware,
		      unsigned short hwshare,
		      struct snd_wss **rchip)
{
	struct snd_wss *chip;
	unsigned char ver1, ver2;
	unsigned int reg;
	int err;

	*rchip = NULL;
	if (hardware == WSS_HW_DETECT)
		hardware = WSS_HW_DETECT3;

	err = snd_wss_create(card, port, cport,
			     irq, dma1, dma2, hardware, hwshare, &chip);
	if (err < 0)
		return err;

	if ((chip->hardware & WSS_HW_CS4236B_MASK) == 0) {
		snd_printd("chip is not CS4236+, hardware=0x%x\n",
			   chip->hardware);
		*rchip = chip;
		return 0;
	}
#if 0
	{
		int idx;
		for (idx = 0; idx < 8; idx++)
			snd_printk(KERN_DEBUG "CD%i = 0x%x\n",
				   idx, inb(chip->cport + idx));
		for (idx = 0; idx < 9; idx++)
			snd_printk(KERN_DEBUG "C%i = 0x%x\n",
				   idx, snd_cs4236_ctrl_in(chip, idx));
	}
#endif
	if (cport < 0x100 || cport == SNDRV_AUTO_PORT) {
		snd_printk(KERN_ERR "please, specify control port "
			   "for CS4236+ chips\n");
		snd_device_free(card, chip);
		return -ENODEV;
	}
	ver1 = snd_cs4236_ctrl_in(chip, 1);
	ver2 = snd_cs4236_ext_in(chip, CS4236_VERSION);
	snd_printdd("CS4236: [0x%lx] C1 (version) = 0x%x, ext = 0x%x\n",
			cport, ver1, ver2);
	if (ver1 != ver2) {
		snd_printk(KERN_ERR "CS4236+ chip detected, but "
			   "control port 0x%lx is not valid\n", cport);
		snd_device_free(card, chip);
		return -ENODEV;
	}
	snd_cs4236_ctrl_out(chip, 0, 0x00);
	snd_cs4236_ctrl_out(chip, 2, 0xff);
	snd_cs4236_ctrl_out(chip, 3, 0x00);
	snd_cs4236_ctrl_out(chip, 4, 0x80);
	reg = ((IEC958_AES1_CON_PCM_CODER & 3) << 6) |
	      IEC958_AES0_CON_EMPHASIS_NONE;
	snd_cs4236_ctrl_out(chip, 5, reg);
	snd_cs4236_ctrl_out(chip, 6, IEC958_AES1_CON_PCM_CODER >> 2);
	snd_cs4236_ctrl_out(chip, 7, 0x00);
	snd_cs4236_ctrl_out(chip, 8, 0x8c);
	chip->rate_constraint = snd_cs4236_xrate;
	chip->set_playback_format = snd_cs4236_playback_format;
	chip->set_capture_format = snd_cs4236_capture_format;
#ifdef CONFIG_PM
	chip->suspend = snd_cs4236_suspend;
	chip->resume = snd_cs4236_resume;
#endif

	
	for (reg = 0; reg < sizeof(snd_cs4236_ext_map); reg++)
		snd_cs4236_ext_out(chip, CS4236_I23VAL(reg),
				   snd_cs4236_ext_map[reg]);

	
	snd_wss_out(chip, CS4231_LEFT_INPUT, 0x40);
	snd_wss_out(chip, CS4231_RIGHT_INPUT, 0x40);
	snd_wss_out(chip, CS4231_AUX1_LEFT_INPUT, 0xff);
	snd_wss_out(chip, CS4231_AUX1_RIGHT_INPUT, 0xff);
	snd_wss_out(chip, CS4231_AUX2_LEFT_INPUT, 0xdf);
	snd_wss_out(chip, CS4231_AUX2_RIGHT_INPUT, 0xdf);
	snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff);
	snd_wss_out(chip, CS4231_LEFT_LINE_IN, 0xff);
	snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff);
	switch (chip->hardware) {
	case WSS_HW_CS4235:
	case WSS_HW_CS4239:
		snd_wss_out(chip, CS4235_LEFT_MASTER, 0xff);
		snd_wss_out(chip, CS4235_RIGHT_MASTER, 0xff);
		break;
	}

	*rchip = chip;
	return 0;
}
Exemplo n.º 11
0
/*
 * Create an AD1845 PCM subdevice on the SoundScape. The AD1845
 * is very much like a CS4231, with a few extra bits. We will
 * try to support at least some of the extra bits by overriding
 * some of the CS4231 callback.
 */
static int __devinit create_ad1845(struct snd_card *card, unsigned port,
				   int irq, int dma1, int dma2)
{
	register struct soundscape *sscape = get_card_soundscape(card);
	struct snd_wss *chip;
	int err;

	if (sscape->type == SSCAPE_VIVO)
		port += 4;

	if (dma1 == dma2)
		dma2 = -1;

	err = snd_wss_create(card, port, -1, irq, dma1, dma2,
			     WSS_HW_DETECT, WSS_HWSHARE_DMA1, &chip);
	if (!err) {
		unsigned long flags;
		struct snd_pcm *pcm;

#define AD1845_FREQ_SEL_ENABLE  0x08

#define AD1845_PWR_DOWN_CTRL   0x1b
#define AD1845_CRYS_CLOCK_SEL  0x1d

/*
 * It turns out that the PLAYBACK_ENABLE bit is set
 * by the lowlevel driver ...
 *
#define AD1845_IFACE_CONFIG  \
           (CS4231_AUTOCALIB | CS4231_RECORD_ENABLE | CS4231_PLAYBACK_ENABLE)
    snd_wss_mce_up(chip);
    spin_lock_irqsave(&chip->reg_lock, flags);
    snd_wss_out(chip, CS4231_IFACE_CTRL, AD1845_IFACE_CONFIG);
    spin_unlock_irqrestore(&chip->reg_lock, flags);
    snd_wss_mce_down(chip);
 */

		if (sscape->type != SSCAPE_VIVO) {
			int val;
			/*
			 * The input clock frequency on the SoundScape must
			 * be 14.31818 MHz, because we must set this register
			 * to get the playback to sound correct ...
			 */
			snd_wss_mce_up(chip);
			spin_lock_irqsave(&chip->reg_lock, flags);
			snd_wss_out(chip, AD1845_CRYS_CLOCK_SEL, 0x20);
			spin_unlock_irqrestore(&chip->reg_lock, flags);
			snd_wss_mce_down(chip);

			/*
			 * More custom configuration:
			 * a) select "mode 2" and provide a current drive of 8mA
			 * b) enable frequency selection (for capture/playback)
			 */
			spin_lock_irqsave(&chip->reg_lock, flags);
			snd_wss_out(chip, CS4231_MISC_INFO,
				    CS4231_MODE2 | 0x10);
			val = snd_wss_in(chip, AD1845_PWR_DOWN_CTRL);
			snd_wss_out(chip, AD1845_PWR_DOWN_CTRL,
				    val | AD1845_FREQ_SEL_ENABLE);
			spin_unlock_irqrestore(&chip->reg_lock, flags);
		}

		err = snd_wss_pcm(chip, 0, &pcm);
		if (err < 0) {
			snd_printk(KERN_ERR "sscape: No PCM device "
					    "for AD1845 chip\n");
			goto _error;
		}

		err = snd_wss_mixer(chip);
		if (err < 0) {
			snd_printk(KERN_ERR "sscape: No mixer device "
					    "for AD1845 chip\n");
			goto _error;
		}
		err = snd_wss_timer(chip, 0, NULL);
		if (err < 0) {
			snd_printk(KERN_ERR "sscape: No timer device "
					    "for AD1845 chip\n");
			goto _error;
		}

		if (sscape->type != SSCAPE_VIVO) {
			err = snd_ctl_add(card,
					  snd_ctl_new1(&midi_mixer_ctl, chip));
			if (err < 0) {
				snd_printk(KERN_ERR "sscape: Could not create "
						    "MIDI mixer control\n");
				goto _error;
			}
			chip->set_playback_format = ad1845_playback_format;
			chip->set_capture_format = ad1845_capture_format;
		}

		strcpy(card->driver, "SoundScape");
		strcpy(card->shortname, pcm->name);
		snprintf(card->longname, sizeof(card->longname),
			 "%s at 0x%lx, IRQ %d, DMA1 %d, DMA2 %d\n",
			 pcm->name, chip->port, chip->irq,
			 chip->dma1, chip->dma2);

		sscape->chip = chip;
	}

	_error:
	return err;
}
Exemplo n.º 12
0
/*
 * Create an AD1845 PCM subdevice on the SoundScape. The AD1845
 * is very much like a CS4231, with a few extra bits. We will
 * try to support at least some of the extra bits by overriding
 * some of the CS4231 callback.
 */
static int __devinit create_ad1845(struct snd_card *card, unsigned port,
				   int irq, int dma1, int dma2)
{
	register struct soundscape *sscape = get_card_soundscape(card);
	struct snd_wss *chip;
	int err;

	if (sscape->type == SSCAPE_VIVO)
		port += 4;

	if (dma1 == dma2)
		dma2 = -1;

	err = snd_wss_create(card, port, -1, irq, dma1, dma2,
			     WSS_HW_DETECT, WSS_HWSHARE_DMA1, &chip);
	if (!err) {
		unsigned long flags;
		struct snd_pcm *pcm;

/*
 * It turns out that the PLAYBACK_ENABLE bit is set
 * by the lowlevel driver ...
 *
#define AD1845_IFACE_CONFIG  \
           (CS4231_AUTOCALIB | CS4231_RECORD_ENABLE | CS4231_PLAYBACK_ENABLE)
    snd_wss_mce_up(chip);
    spin_lock_irqsave(&chip->reg_lock, flags);
    snd_wss_out(chip, CS4231_IFACE_CTRL, AD1845_IFACE_CONFIG);
    spin_unlock_irqrestore(&chip->reg_lock, flags);
    snd_wss_mce_down(chip);
 */

		if (sscape->type != SSCAPE_VIVO) {
			/*
			 * The input clock frequency on the SoundScape must
			 * be 14.31818 MHz, because we must set this register
			 * to get the playback to sound correct ...
			 */
			snd_wss_mce_up(chip);
			spin_lock_irqsave(&chip->reg_lock, flags);
			snd_wss_out(chip, AD1845_CLOCK, 0x20);
			spin_unlock_irqrestore(&chip->reg_lock, flags);
			snd_wss_mce_down(chip);

		}

		err = snd_wss_pcm(chip, 0, &pcm);
		if (err < 0) {
			snd_printk(KERN_ERR "sscape: No PCM device "
					    "for AD1845 chip\n");
			goto _error;
		}

		err = snd_wss_mixer(chip);
		if (err < 0) {
			snd_printk(KERN_ERR "sscape: No mixer device "
					    "for AD1845 chip\n");
			goto _error;
		}
		if (chip->hardware != WSS_HW_AD1848) {
			err = snd_wss_timer(chip, 0, NULL);
			if (err < 0) {
				snd_printk(KERN_ERR "sscape: No timer device "
						    "for AD1845 chip\n");
				goto _error;
			}
		}

		if (sscape->type != SSCAPE_VIVO) {
			err = snd_ctl_add(card,
					  snd_ctl_new1(&midi_mixer_ctl, chip));
			if (err < 0) {
				snd_printk(KERN_ERR "sscape: Could not create "
						    "MIDI mixer control\n");
				goto _error;
			}
		}

		strcpy(card->driver, "SoundScape");
		strcpy(card->shortname, pcm->name);
		snprintf(card->longname, sizeof(card->longname),
			 "%s at 0x%lx, IRQ %d, DMA1 %d, DMA2 %d\n",
			 pcm->name, chip->port, chip->irq,
			 chip->dma1, chip->dma2);

		sscape->chip = chip;
	}

	_error:
	return err;
}