Merge branch 'topic/sscape-fix' into for-linus

1 files changed, 53 insertions, 28 deletions

diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c
index ac27832..5d2ba1b 100644
--- a/sound/isa/wss/wss_lib.c
+++ b/sound/isa/wss/wss_lib.c
@@ -181,25 +181,6 @@ static void snd_wss_wait(struct snd_wss *chip)
 		udelay(100);
 }
 
-static void snd_wss_outm(struct snd_wss *chip, unsigned char reg,
-			    unsigned char mask, unsigned char value)
-{
-	unsigned char tmp = (chip->image[reg] & mask) | value;
-
-	snd_wss_wait(chip);
-#ifdef CONFIG_SND_DEBUG
-	if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT)
-		snd_printk("outm: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value);
-#endif
-	chip->image[reg] = tmp;
-	if (!chip->calibrate_mute) {
-		wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg);
-		wmb();
-		wss_outb(chip, CS4231P(REG), tmp);
-		mb();
-	}
-}
-
 static void snd_wss_dout(struct snd_wss *chip, unsigned char reg,
 			 unsigned char value)
 {
@@ -597,7 +578,15 @@ static void snd_wss_calibrate_mute(struct snd_wss *chip, int mute)
 			     chip->image[CS4231_RIGHT_INPUT]);
 		snd_wss_dout(chip, CS4231_LOOPBACK,
 			     chip->image[CS4231_LOOPBACK]);
+	} else {
+		snd_wss_dout(chip, CS4231_LEFT_INPUT,
+			     0);
+		snd_wss_dout(chip, CS4231_RIGHT_INPUT,
+			     0);
+		snd_wss_dout(chip, CS4231_LOOPBACK,
+			     0xfd);
 	}
+
 	snd_wss_dout(chip, CS4231_AUX1_LEFT_INPUT,
 		     mute | chip->image[CS4231_AUX1_LEFT_INPUT]);
 	snd_wss_dout(chip, CS4231_AUX1_RIGHT_INPUT,
@@ -640,7 +629,6 @@ static void snd_wss_playback_format(struct snd_wss *chip,
 	int full_calib = 1;
 
 	mutex_lock(&chip->mce_mutex);
-	snd_wss_calibrate_mute(chip, 1);
 	if (chip->hardware == WSS_HW_CS4231A ||
 	    (chip->hardware & WSS_HW_CS4232_MASK)) {
 		spin_lock_irqsave(&chip->reg_lock, flags);
@@ -656,6 +644,24 @@ static void snd_wss_playback_format(struct snd_wss *chip,
 			full_calib = 0;
 		}
 		spin_unlock_irqrestore(&chip->reg_lock, flags);
+	} else if (chip->hardware == WSS_HW_AD1845) {
+		unsigned rate = params_rate(params);
+
+		/*
+		 * Program the AD1845 correctly for the playback stream.
+		 * Note that we do NOT need to toggle the MCE bit because
+		 * the PLAYBACK_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.
+		 */
+		spin_lock_irqsave(&chip->reg_lock, flags);
+		snd_wss_out(chip, CS4231_PLAYBK_FORMAT, (pdfr & 0xf0));
+		snd_wss_out(chip, AD1845_UPR_FREQ_SEL, (rate >> 8) & 0xff);
+		snd_wss_out(chip, AD1845_LWR_FREQ_SEL, rate & 0xff);
+		full_calib = 0;
+		spin_unlock_irqrestore(&chip->reg_lock, flags);
 	}
 	if (full_calib) {
 		snd_wss_mce_up(chip);
@@ -673,7 +679,6 @@ static void snd_wss_playback_format(struct snd_wss *chip,
 			udelay(100);	/* this seems to help */
 		snd_wss_mce_down(chip);
 	}
-	snd_wss_calibrate_mute(chip, 0);
 	mutex_unlock(&chip->mce_mutex);
 }
 
@@ -685,7 +690,6 @@ static void snd_wss_capture_format(struct snd_wss *chip,
 	int full_calib = 1;
 
 	mutex_lock(&chip->mce_mutex);
-	snd_wss_calibrate_mute(chip, 1);
 	if (chip->hardware == WSS_HW_CS4231A ||
 	    (chip->hardware & WSS_HW_CS4232_MASK)) {
 		spin_lock_irqsave(&chip->reg_lock, flags);
@@ -700,6 +704,24 @@ static void snd_wss_capture_format(struct snd_wss *chip,
 			full_calib = 0;
 		}
 		spin_unlock_irqrestore(&chip->reg_lock, flags);
+	} else if (chip->hardware == WSS_HW_AD1845) {
+		unsigned rate = params_rate(params);
+
+		/*
+		 * Program the AD1845 correctly for the capture stream.
+		 * Note that we do NOT need to toggle the MCE bit because
+		 * the PLAYBACK_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.
+		 */
+		spin_lock_irqsave(&chip->reg_lock, flags);
+		snd_wss_out(chip, CS4231_REC_FORMAT, (cdfr & 0xf0));
+		snd_wss_out(chip, AD1845_UPR_FREQ_SEL, (rate >> 8) & 0xff);
+		snd_wss_out(chip, AD1845_LWR_FREQ_SEL, rate & 0xff);
+		full_calib = 0;
+		spin_unlock_irqrestore(&chip->reg_lock, flags);
 	}
 	if (full_calib) {
 		snd_wss_mce_up(chip);
@@ -724,7 +746,6 @@ static void snd_wss_capture_format(struct snd_wss *chip,
 		spin_unlock_irqrestore(&chip->reg_lock, flags);
 		snd_wss_mce_down(chip);
 	}
-	snd_wss_calibrate_mute(chip, 0);
 	mutex_unlock(&chip->mce_mutex);
 }
 
@@ -781,6 +802,7 @@ static void snd_wss_init(struct snd_wss *chip)
 {
 	unsigned long flags;
 
+	snd_wss_calibrate_mute(chip, 1);
 	snd_wss_mce_down(chip);
 
 #ifdef SNDRV_DEBUG_MCE
@@ -804,6 +826,8 @@ static void snd_wss_init(struct snd_wss *chip)
 
 	snd_wss_mce_up(chip);
 	spin_lock_irqsave(&chip->reg_lock, flags);
+	chip->image[CS4231_IFACE_CTRL] &= ~CS4231_AUTOCALIB;
+	snd_wss_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]);
 	snd_wss_out(chip,
 		    CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1]);
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
@@ -837,6 +861,7 @@ static void snd_wss_init(struct snd_wss *chip)
 			    chip->image[CS4231_REC_FORMAT]);
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 	snd_wss_mce_down(chip);
+	snd_wss_calibrate_mute(chip, 0);
 
 #ifdef SNDRV_DEBUG_MCE
 	snd_printk(KERN_DEBUG "init: (5)\n");
@@ -895,8 +920,6 @@ static void snd_wss_close(struct snd_wss *chip, unsigned int mode)
 		mutex_unlock(&chip->open_mutex);
 		return;
 	}
-	snd_wss_calibrate_mute(chip, 1);
-
 	/* disable IRQ */
 	spin_lock_irqsave(&chip->reg_lock, flags);
 	if (!(chip->hardware & WSS_HW_AD1848_MASK))
@@ -929,8 +952,6 @@ static void snd_wss_close(struct snd_wss *chip, unsigned int mode)
 	wss_outb(chip, CS4231P(STATUS), 0);	/* clear IRQ */
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 
-	snd_wss_calibrate_mute(chip, 0);
-
 	chip->mode = 0;
 	mutex_unlock(&chip->open_mutex);
 }
@@ -1123,7 +1144,7 @@ irqreturn_t snd_wss_interrupt(int irq, void *dev_id)
 	if (chip->hardware & WSS_HW_AD1848_MASK)
 		wss_outb(chip, CS4231P(STATUS), 0);
 	else
-		snd_wss_outm(chip, CS4231_IRQ_STATUS, status, 0);
+		snd_wss_out(chip, CS4231_IRQ_STATUS, status);
 	spin_unlock(&chip->reg_lock);
 	return IRQ_HANDLED;
 }
@@ -1325,6 +1346,10 @@ static int snd_wss_probe(struct snd_wss *chip)
 		chip->image[CS4231_ALT_FEATURE_2] =
 			chip->hardware == WSS_HW_INTERWAVE ? 0xc2 : 0x01;
 	}
+	/* enable fine grained frequency selection */
+	if (chip->hardware == WSS_HW_AD1845)
+		chip->image[AD1845_PWR_DOWN] = 8;
+
 	ptr = (unsigned char *) &chip->image;
 	regnum = (chip->hardware & WSS_HW_AD1848_MASK) ? 16 : 32;
 	snd_wss_mce_down(chip);