printk(KERN_DEBUG
"CS4231 REGS: INDEX = 0x%02x "
" STATUS = 0x%02x\n",
- wss_inb(chip, CS4231P(REGSEL),
+ wss_inb(chip, CS4231P(REGSEL)),
wss_inb(chip, CS4231P(STATUS)));
printk(KERN_DEBUG
" 0x00: left input = 0x%02x "
{
unsigned long flags;
- mute = mute ? 1 : 0;
+ mute = mute ? 0x80 : 0;
spin_lock_irqsave(&chip->reg_lock, flags);
if (chip->calibrate_mute == mute) {
spin_unlock_irqrestore(&chip->reg_lock, flags);
chip->image[CS4231_LOOPBACK]);
}
snd_wss_dout(chip, CS4231_AUX1_LEFT_INPUT,
- mute ? 0x80 : chip->image[CS4231_AUX1_LEFT_INPUT]);
+ mute | chip->image[CS4231_AUX1_LEFT_INPUT]);
snd_wss_dout(chip, CS4231_AUX1_RIGHT_INPUT,
- mute ? 0x80 : chip->image[CS4231_AUX1_RIGHT_INPUT]);
+ mute | chip->image[CS4231_AUX1_RIGHT_INPUT]);
snd_wss_dout(chip, CS4231_AUX2_LEFT_INPUT,
- mute ? 0x80 : chip->image[CS4231_AUX2_LEFT_INPUT]);
+ mute | chip->image[CS4231_AUX2_LEFT_INPUT]);
snd_wss_dout(chip, CS4231_AUX2_RIGHT_INPUT,
- mute ? 0x80 : chip->image[CS4231_AUX2_RIGHT_INPUT]);
+ mute | chip->image[CS4231_AUX2_RIGHT_INPUT]);
snd_wss_dout(chip, CS4231_LEFT_OUTPUT,
- mute ? 0x80 : chip->image[CS4231_LEFT_OUTPUT]);
+ mute | chip->image[CS4231_LEFT_OUTPUT]);
snd_wss_dout(chip, CS4231_RIGHT_OUTPUT,
- mute ? 0x80 : chip->image[CS4231_RIGHT_OUTPUT]);
+ mute | chip->image[CS4231_RIGHT_OUTPUT]);
if (!(chip->hardware & WSS_HW_AD1848_MASK)) {
snd_wss_dout(chip, CS4231_LEFT_LINE_IN,
- mute ? 0x80 : chip->image[CS4231_LEFT_LINE_IN]);
+ mute | chip->image[CS4231_LEFT_LINE_IN]);
snd_wss_dout(chip, CS4231_RIGHT_LINE_IN,
- mute ? 0x80 : chip->image[CS4231_RIGHT_LINE_IN]);
+ mute | chip->image[CS4231_RIGHT_LINE_IN]);
snd_wss_dout(chip, CS4231_MONO_CTRL,
mute ? 0xc0 : chip->image[CS4231_MONO_CTRL]);
}
if (chip->hardware == WSS_HW_INTERWAVE) {
snd_wss_dout(chip, CS4231_LEFT_MIC_INPUT,
- mute ? 0x80 : chip->image[CS4231_LEFT_MIC_INPUT]);
+ mute | chip->image[CS4231_LEFT_MIC_INPUT]);
snd_wss_dout(chip, CS4231_RIGHT_MIC_INPUT,
- mute ? 0x80 : chip->image[CS4231_RIGHT_MIC_INPUT]);
+ mute | chip->image[CS4231_RIGHT_MIC_INPUT]);
snd_wss_dout(chip, CS4231_LINE_LEFT_OUTPUT,
- mute ? 0x80 : chip->image[CS4231_LINE_LEFT_OUTPUT]);
+ mute | chip->image[CS4231_LINE_LEFT_OUTPUT]);
snd_wss_dout(chip, CS4231_LINE_RIGHT_OUTPUT,
- mute ? 0x80 : chip->image[CS4231_LINE_RIGHT_OUTPUT]);
+ mute | chip->image[CS4231_LINE_RIGHT_OUTPUT]);
}
chip->calibrate_mute = mute;
spin_unlock_irqrestore(&chip->reg_lock, flags);
static int snd_ad1848_probe(struct snd_wss *chip)
{
+ unsigned long timeout = jiffies + msecs_to_jiffies(1000);
unsigned long flags;
- int i, id, rev, ad1847;
+ unsigned char r;
+ unsigned short hardware = 0;
+ int err = 0;
+ int i;
- id = 0;
- ad1847 = 0;
- for (i = 0; i < 1000; i++) {
- mb();
- if (inb(chip->port + CS4231P(REGSEL)) & CS4231_INIT)
- msleep(1);
- else {
- spin_lock_irqsave(&chip->reg_lock, flags);
- snd_wss_out(chip, CS4231_MISC_INFO, 0x00);
- snd_wss_out(chip, CS4231_LEFT_INPUT, 0xaa);
- snd_wss_out(chip, CS4231_RIGHT_INPUT, 0x45);
- rev = snd_wss_in(chip, CS4231_RIGHT_INPUT);
- if (rev == 0x65) {
- spin_unlock_irqrestore(&chip->reg_lock, flags);
- id = 1;
- ad1847 = 1;
- break;
- }
- if (snd_wss_in(chip, CS4231_LEFT_INPUT) == 0xaa &&
- rev == 0x45) {
- spin_unlock_irqrestore(&chip->reg_lock, flags);
- id = 1;
- break;
- }
- spin_unlock_irqrestore(&chip->reg_lock, flags);
- }
+ while (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) {
+ if (time_after(jiffies, timeout))
+ return -ENODEV;
+ cond_resched();
}
- if (id != 1)
- return -ENODEV; /* no valid device found */
- id = 0;
- if (chip->hardware == WSS_HW_DETECT)
- id = ad1847 ? WSS_HW_AD1847 : WSS_HW_AD1848;
-
spin_lock_irqsave(&chip->reg_lock, flags);
- inb(chip->port + CS4231P(STATUS)); /* clear any pendings IRQ */
- outb(0, chip->port + CS4231P(STATUS));
- mb();
- if (id == WSS_HW_AD1848) {
- /* check if there are more than 16 registers */
- rev = snd_wss_in(chip, CS4231_MISC_INFO);
- snd_wss_out(chip, CS4231_MISC_INFO, 0x40);
- for (i = 0; i < 16; ++i) {
- if (snd_wss_in(chip, i) != snd_wss_in(chip, i + 16)) {
- id = WSS_HW_CMI8330;
- break;
- }
+
+ /* set CS423x MODE 1 */
+ snd_wss_dout(chip, CS4231_MISC_INFO, 0);
+
+ snd_wss_dout(chip, CS4231_RIGHT_INPUT, 0x45); /* 0x55 & ~0x10 */
+ r = snd_wss_in(chip, CS4231_RIGHT_INPUT);
+ if (r != 0x45) {
+ /* RMGE always high on AD1847 */
+ if ((r & ~CS4231_ENABLE_MIC_GAIN) != 0x45) {
+ err = -ENODEV;
+ goto out;
+ }
+ hardware = WSS_HW_AD1847;
+ } else {
+ snd_wss_dout(chip, CS4231_LEFT_INPUT, 0xaa);
+ r = snd_wss_in(chip, CS4231_LEFT_INPUT);
+ /* L/RMGE always low on AT2320 */
+ if ((r | CS4231_ENABLE_MIC_GAIN) != 0xaa) {
+ err = -ENODEV;
+ goto out;
}
- snd_wss_out(chip, CS4231_MISC_INFO, 0x00);
- if (id != WSS_HW_CMI8330 && (rev & 0x80))
- id = WSS_HW_CS4248;
- if (id == WSS_HW_CMI8330 && (rev & 0x0f) != 0x0a)
- id = 0;
}
- if (id == WSS_HW_CMI8330) {
- /* verify it is not CS4231 by changing the version register */
- /* on CMI8330 it is volume control register and can be set 0 */
- snd_wss_out(chip, CS4231_MISC_INFO, CS4231_MODE2);
- snd_wss_dout(chip, CS4231_VERSION, 0x00);
- rev = snd_wss_in(chip, CS4231_VERSION) & 0xe7;
- if (rev)
- id = 0;
- snd_wss_out(chip, CS4231_MISC_INFO, 0);
+
+ /* clear pending IRQ */
+ wss_inb(chip, CS4231P(STATUS));
+ wss_outb(chip, CS4231P(STATUS), 0);
+ mb();
+
+ if ((chip->hardware & WSS_HW_TYPE_MASK) != WSS_HW_DETECT)
+ goto out;
+
+ if (hardware) {
+ chip->hardware = hardware;
+ goto out;
}
- if (id)
- chip->hardware = id;
+ r = snd_wss_in(chip, CS4231_MISC_INFO);
+
+ /* set CS423x MODE 2 */
+ snd_wss_dout(chip, CS4231_MISC_INFO, CS4231_MODE2);
+ for (i = 0; i < 16; i++) {
+ if (snd_wss_in(chip, i) != snd_wss_in(chip, 16 + i)) {
+ /* we have more than 16 registers: check ID */
+ if ((r & 0xf) != 0xa)
+ goto out_mode;
+ /*
+ * on CMI8330, CS4231_VERSION is volume control and
+ * can be set to 0
+ */
+ snd_wss_dout(chip, CS4231_VERSION, 0);
+ r = snd_wss_in(chip, CS4231_VERSION) & 0xe7;
+ if (!r)
+ chip->hardware = WSS_HW_CMI8330;
+ goto out_mode;
+ }
+ }
+ if (r & 0x80)
+ chip->hardware = WSS_HW_CS4248;
+ else
+ chip->hardware = WSS_HW_AD1848;
+out_mode:
+ snd_wss_dout(chip, CS4231_MISC_INFO, 0);
+out:
spin_unlock_irqrestore(&chip->reg_lock, flags);
- return 0; /* all things are ok.. */
+ return err;
}
static int snd_wss_probe(struct snd_wss *chip)
if (err < 0)
return err;
- spin_lock_init(&chip->reg_lock);
- mutex_init(&chip->mce_mutex);
- mutex_init(&chip->open_mutex);
-
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_wss_playback_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_wss_capture_ops);
char **ptexts = texts;
struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
- snd_assert(chip->card != NULL, return -EINVAL);
+ if (snd_BUG_ON(!chip->card))
+ return -EINVAL;
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 2;
uinfo->value.enumerated.items = 4;
unsigned int idx;
int err;
- snd_assert(chip != NULL && chip->pcm != NULL, return -EINVAL);
+ if (snd_BUG_ON(!chip || !chip->pcm))
+ return -EINVAL;
card = chip->card;
projects / ~andy / linux / blobdiff