ALSA: wss_lib: use wss pcm code instead of ad1848 one

Use the wss pcm code and kill the ad1848 pcm code.

The AD1848 chip is much slower than CS4231 chips
so the waiting loop was increased 100x (10x is not
enough).

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Reviewed-by: Rene Herman <rene.herman@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 100 insertions, 26 deletions

diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c
index 1688f07a14b0..57d1e8ee6bbb 100644
--- a/sound/isa/wss/wss_lib.c
+++ b/sound/isa/wss/wss_lib.c
@@ -380,7 +380,7 @@ static void snd_wss_busy_wait(struct snd_wss *chip)
 	for (timeout = 5; timeout > 0; timeout--)
 		wss_inb(chip, CS4231P(REGSEL));
 	/* end of cleanup sequence */
-	for (timeout = 250;
+	for (timeout = 25000;
 	     timeout > 0 && (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT);
 	     timeout--)
 		udelay(10);
@@ -413,6 +413,7 @@ void snd_wss_mce_down(struct snd_wss *chip)
 	unsigned long flags;
 	unsigned long end_time;
 	int timeout;
+	int hw_mask = WSS_HW_CS4231_MASK | WSS_HW_CS4232_MASK | WSS_HW_AD1848;
 
 	snd_wss_busy_wait(chip);
 
@@ -427,10 +428,8 @@ void snd_wss_mce_down(struct snd_wss *chip)
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 	if (timeout == 0x80)
 		snd_printk("mce_down [0x%lx]: serious init problem - codec still busy\n", chip->port);
-	if ((timeout & CS4231_MCE) == 0 ||
-	    !(chip->hardware & (WSS_HW_CS4231_MASK | WSS_HW_CS4232_MASK))) {
+	if ((timeout & CS4231_MCE) == 0 || !(chip->hardware & hw_mask))
 		return;
-	}
 
 	/*
 	 * Wait for (possible -- during init auto-calibration may not be set)
@@ -601,12 +600,14 @@ static void snd_wss_calibrate_mute(struct snd_wss *chip, int mute)
 		     mute ? 0x80 : chip->image[CS4231_LEFT_OUTPUT]);
 	snd_wss_dout(chip, CS4231_RIGHT_OUTPUT,
 		     mute ? 0x80 : chip->image[CS4231_RIGHT_OUTPUT]);
-	snd_wss_dout(chip, CS4231_LEFT_LINE_IN,
-		     mute ? 0x80 : chip->image[CS4231_LEFT_LINE_IN]);
-	snd_wss_dout(chip, CS4231_RIGHT_LINE_IN,
-		     mute ? 0x80 : 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_AD1848_MASK)) {
+		snd_wss_dout(chip, CS4231_LEFT_LINE_IN,
+			     mute ? 0x80 : chip->image[CS4231_LEFT_LINE_IN]);
+		snd_wss_dout(chip, CS4231_RIGHT_LINE_IN,
+			     mute ? 0x80 : 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]);
@@ -706,7 +707,10 @@ static void snd_wss_capture_format(struct snd_wss *chip,
 			snd_wss_mce_up(chip);
 			spin_lock_irqsave(&chip->reg_lock, flags);
 		}
-		snd_wss_out(chip, CS4231_REC_FORMAT, cdfr);
+		if (chip->hardware & WSS_HW_AD1848_MASK)
+			snd_wss_out(chip, CS4231_PLAYBK_FORMAT, cdfr);
+		else
+			snd_wss_out(chip, CS4231_REC_FORMAT, cdfr);
 		spin_unlock_irqrestore(&chip->reg_lock, flags);
 		snd_wss_mce_down(chip);
 	}
@@ -818,7 +822,9 @@ static void snd_wss_init(struct snd_wss *chip)
 
 	snd_wss_mce_up(chip);
 	spin_lock_irqsave(&chip->reg_lock, flags);
-	snd_wss_out(chip, CS4231_REC_FORMAT, chip->image[CS4231_REC_FORMAT]);
+	if (!(chip->hardware & WSS_HW_AD1848_MASK))
+		snd_wss_out(chip, CS4231_REC_FORMAT,
+			    chip->image[CS4231_REC_FORMAT]);
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 	snd_wss_mce_down(chip);
 
@@ -844,20 +850,24 @@ static int snd_wss_open(struct snd_wss *chip, unsigned int mode)
 	}
 	/* ok. now enable and ack CODEC IRQ */
 	spin_lock_irqsave(&chip->reg_lock, flags);
-	snd_wss_out(chip, CS4231_IRQ_STATUS,
-		    CS4231_PLAYBACK_IRQ |
-		    CS4231_RECORD_IRQ |
-		    CS4231_TIMER_IRQ);
-	snd_wss_out(chip, CS4231_IRQ_STATUS, 0);
+	if (!(chip->hardware & WSS_HW_AD1848_MASK)) {
+		snd_wss_out(chip, CS4231_IRQ_STATUS,
+			    CS4231_PLAYBACK_IRQ |
+			    CS4231_RECORD_IRQ |
+			    CS4231_TIMER_IRQ);
+		snd_wss_out(chip, CS4231_IRQ_STATUS, 0);
+	}
 	wss_outb(chip, CS4231P(STATUS), 0);	/* clear IRQ */
 	wss_outb(chip, CS4231P(STATUS), 0);	/* clear IRQ */
 	chip->image[CS4231_PIN_CTRL] |= CS4231_IRQ_ENABLE;
 	snd_wss_out(chip, CS4231_PIN_CTRL, chip->image[CS4231_PIN_CTRL]);
-	snd_wss_out(chip, CS4231_IRQ_STATUS,
-		    CS4231_PLAYBACK_IRQ |
-		    CS4231_RECORD_IRQ |
-		    CS4231_TIMER_IRQ);
-	snd_wss_out(chip, CS4231_IRQ_STATUS, 0);
+	if (!(chip->hardware & WSS_HW_AD1848_MASK)) {
+		snd_wss_out(chip, CS4231_IRQ_STATUS,
+			    CS4231_PLAYBACK_IRQ |
+			    CS4231_RECORD_IRQ |
+			    CS4231_TIMER_IRQ);
+		snd_wss_out(chip, CS4231_IRQ_STATUS, 0);
+	}
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 
 	chip->mode = mode;
@@ -879,7 +889,8 @@ static void snd_wss_close(struct snd_wss *chip, unsigned int mode)
 
 	/* disable IRQ */
 	spin_lock_irqsave(&chip->reg_lock, flags);
-	snd_wss_out(chip, CS4231_IRQ_STATUS, 0);
+	if (!(chip->hardware & WSS_HW_AD1848_MASK))
+		snd_wss_out(chip, CS4231_IRQ_STATUS, 0);
 	wss_outb(chip, CS4231P(STATUS), 0);	/* clear IRQ */
 	wss_outb(chip, CS4231P(STATUS), 0);	/* clear IRQ */
 	chip->image[CS4231_PIN_CTRL] &= ~CS4231_IRQ_ENABLE;
@@ -902,7 +913,8 @@ static void snd_wss_close(struct snd_wss *chip, unsigned int mode)
 	}
 
 	/* clear IRQ again */
-	snd_wss_out(chip, CS4231_IRQ_STATUS, 0);
+	if (!(chip->hardware & WSS_HW_AD1848_MASK))
+		snd_wss_out(chip, CS4231_IRQ_STATUS, 0);
 	wss_outb(chip, CS4231P(STATUS), 0);	/* clear IRQ */
 	wss_outb(chip, CS4231P(STATUS), 0);	/* clear IRQ */
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
@@ -1023,7 +1035,13 @@ static int snd_wss_capture_prepare(struct snd_pcm_substream *substream)
 	chip->c_dma_size = size;
 	chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_RECORD_ENABLE | CS4231_RECORD_PIO);
 	snd_dma_program(chip->dma2, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT);
-	count = snd_wss_get_count(chip->image[CS4231_REC_FORMAT], count) - 1;
+	if (chip->hardware & WSS_HW_AD1848_MASK)
+		count = snd_wss_get_count(chip->image[CS4231_PLAYBK_FORMAT],
+					  count);
+	else
+		count = snd_wss_get_count(chip->image[CS4231_REC_FORMAT],
+					  count);
+	count--;
 	if (chip->single_dma && chip->hardware != WSS_HW_INTERWAVE) {
 		snd_wss_out(chip, CS4231_PLY_LWR_CNT, (unsigned char) count);
 		snd_wss_out(chip, CS4231_PLY_UPR_CNT,
@@ -1341,6 +1359,11 @@ static int snd_wss_playback_open(struct snd_pcm_substream *substream)
 
 	runtime->hw = snd_wss_playback;
 
+	/* hardware limitation of older chipsets */
+	if (chip->hardware & WSS_HW_AD1848_MASK)
+		runtime->hw.formats &= ~(SNDRV_PCM_FMTBIT_IMA_ADPCM |
+					 SNDRV_PCM_FMTBIT_S16_BE);
+
 	/* hardware bug in InterWave chipset */
 	if (chip->hardware == WSS_HW_INTERWAVE && chip->dma1 > 3)
 		runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_MU_LAW;
@@ -1379,6 +1402,11 @@ static int snd_wss_capture_open(struct snd_pcm_substream *substream)
 
 	runtime->hw = snd_wss_capture;
 
+	/* hardware limitation of older chipsets */
+	if (chip->hardware & WSS_HW_AD1848_MASK)
+		runtime->hw.formats &= ~(SNDRV_PCM_FMTBIT_IMA_ADPCM |
+					 SNDRV_PCM_FMTBIT_S16_BE);
+
 	/* hardware limitation of cheap chips */
 	if (chip->hardware == WSS_HW_CS4235 ||
 	    chip->hardware == WSS_HW_CS4239)
@@ -1423,6 +1451,26 @@ static int snd_wss_capture_close(struct snd_pcm_substream *substream)
 	return 0;
 }
 
+static void snd_wss_thinkpad_twiddle(struct snd_wss *chip, int on)
+{
+	int tmp;
+
+	if (!chip->thinkpad_flag)
+		return;
+
+	outb(0x1c, AD1848_THINKPAD_CTL_PORT1);
+	tmp = inb(AD1848_THINKPAD_CTL_PORT2);
+
+	if (on)
+		/* turn it on */
+		tmp |= AD1848_THINKPAD_CS4248_ENABLE_BIT;
+	else
+		/* turn it off */
+		tmp &= ~AD1848_THINKPAD_CS4248_ENABLE_BIT;
+
+	outb(tmp, AD1848_THINKPAD_CTL_PORT2);
+}
+
 #ifdef CONFIG_PM
 
 /* lowlevel suspend callback for CS4231 */
@@ -1436,6 +1484,8 @@ static void snd_wss_suspend(struct snd_wss *chip)
 	for (reg = 0; reg < 32; reg++)
 		chip->image[reg] = snd_wss_in(chip, reg);
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
+	if (chip->thinkpad_flag)
+		snd_wss_thinkpad_twiddle(chip, 0);
 }
 
 /* lowlevel resume callback for CS4231 */
@@ -1445,6 +1495,8 @@ static void snd_wss_resume(struct snd_wss *chip)
 	unsigned long flags;
 	/* int timeout; */
 
+	if (chip->thinkpad_flag)
+		snd_wss_thinkpad_twiddle(chip, 1);
 	snd_wss_mce_up(chip);
 	spin_lock_irqsave(&chip->reg_lock, flags);
 	for (reg = 0; reg < 32; reg++) {
@@ -1542,6 +1594,14 @@ const char *snd_wss_chip_id(struct snd_wss *chip)
 		return "AD1845";
 	case WSS_HW_OPTI93X:
 		return "OPTi 93x";
+	case WSS_HW_AD1847:
+		return "AD1847";
+	case WSS_HW_AD1848:
+		return "AD1848";
+	case WSS_HW_CS4248:
+		return "CS4248";
+	case WSS_HW_CMI8330:
+		return "CMI8330/C3D";
 	default:
 		return "???";
 	}
@@ -1704,7 +1764,8 @@ int snd_wss_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm)
 	struct snd_pcm *pcm;
 	int err;
 
-	if ((err = snd_pcm_new(chip->card, "CS4231", device, 1, 1, &pcm)) < 0)
+	err = snd_pcm_new(chip->card, "WSS", device, 1, 1, &pcm);
+	if (err < 0)
 		return err;
 
 	spin_lock_init(&chip->reg_lock);
@@ -1714,6 +1775,12 @@ int snd_wss_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm)
 	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);
 
+	/* temporary */
+	if (chip->hardware & WSS_HW_AD1848_MASK) {
+		chip->rate_constraint = snd_wss_xrate;
+		chip->set_playback_format = snd_wss_playback_format;
+		chip->set_capture_format = snd_wss_capture_format;
+	}
 	/* global setup */
 	pcm->private_data = chip;
 	pcm->info_flags = 0;
@@ -2134,6 +2201,13 @@ int snd_wss_mixer(struct snd_wss *chip)
 }
 EXPORT_SYMBOL(snd_wss_mixer);
 
+const struct snd_pcm_ops *snd_wss_get_pcm_ops(int direction)
+{
+	return direction == SNDRV_PCM_STREAM_PLAYBACK ?
+		&snd_wss_playback_ops : &snd_wss_capture_ops;
+}
+EXPORT_SYMBOL(snd_wss_get_pcm_ops);
+
 /*
  *  INIT part
  */