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Diffstat (limited to 'sound/pci/maestro3.c')
-rw-r--r--sound/pci/maestro3.c116
1 files changed, 114 insertions, 2 deletions
diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c
index 53d2a5d61baf..217a4dcb259e 100644
--- a/sound/pci/maestro3.c
+++ b/sound/pci/maestro3.c
@@ -41,6 +41,7 @@
 #include <linux/vmalloc.h>
 #include <linux/moduleparam.h>
 #include <linux/firmware.h>
+#include <linux/input.h>
 #include <sound/core.h>
 #include <sound/info.h>
 #include <sound/control.h>
@@ -844,11 +845,17 @@ struct snd_m3 {
 	struct m3_dma *substreams;
 
 	spinlock_t reg_lock;
-	spinlock_t ac97_lock;
 
+#ifdef CONFIG_SND_MAESTRO3_INPUT
+	struct input_dev *input_dev;
+	char phys[64];			/* physical device path */
+#else
+	spinlock_t ac97_lock;
 	struct snd_kcontrol *master_switch;
 	struct snd_kcontrol *master_volume;
 	struct tasklet_struct hwvol_tq;
+#endif
+
 	unsigned int in_suspend;
 
 #ifdef CONFIG_PM
@@ -1606,7 +1613,9 @@ static void snd_m3_update_hw_volume(unsigned long private_data)
 {
 	struct snd_m3 *chip = (struct snd_m3 *) private_data;
 	int x, val;
+#ifndef CONFIG_SND_MAESTRO3_INPUT
 	unsigned long flags;
+#endif
 
 	/* Figure out which volume control button was pushed,
 	   based on differences from the default register
@@ -1632,6 +1641,7 @@ static void snd_m3_update_hw_volume(unsigned long private_data)
 	if (chip->in_suspend)
 		return;
 
+#ifndef CONFIG_SND_MAESTRO3_INPUT
 	if (!chip->master_switch || !chip->master_volume)
 		return;
 
@@ -1677,6 +1687,35 @@ static void snd_m3_update_hw_volume(unsigned long private_data)
 		break;
 	}
 	spin_unlock_irqrestore(&chip->ac97_lock, flags);
+#else
+	if (!chip->input_dev)
+		return;
+
+	val = 0;
+	switch (x) {
+	case 0x88:
+		/* The counters have not changed, yet we've received a HV
+		   interrupt. According to tests run by various people this
+		   happens when pressing the mute button. */
+		val = KEY_MUTE;
+		break;
+	case 0xaa:
+		/* counters increased by 1 -> volume up */
+		val = KEY_VOLUMEUP;
+		break;
+	case 0x66:
+		/* counters decreased by 1 -> volume down */
+		val = KEY_VOLUMEDOWN;
+		break;
+	}
+
+	if (val) {
+		input_report_key(chip->input_dev, val, 1);
+		input_sync(chip->input_dev);
+		input_report_key(chip->input_dev, val, 0);
+		input_sync(chip->input_dev);
+	}
+#endif
 }
 
 static irqreturn_t snd_m3_interrupt(int irq, void *dev_id)
@@ -1691,7 +1730,11 @@ static irqreturn_t snd_m3_interrupt(int irq, void *dev_id)
 		return IRQ_NONE;
 
 	if (status & HV_INT_PENDING)
+#ifdef CONFIG_SND_MAESTRO3_INPUT
+		snd_m3_update_hw_volume((unsigned long)chip);
+#else
 		tasklet_schedule(&chip->hwvol_tq);
+#endif
 
 	/*
 	 * ack an assp int if its running
@@ -1957,18 +2000,24 @@ static unsigned short
 snd_m3_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
 {
 	struct snd_m3 *chip = ac97->private_data;
+#ifndef CONFIG_SND_MAESTRO3_INPUT
 	unsigned long flags;
+#endif
 	unsigned short data = 0xffff;
 
 	if (snd_m3_ac97_wait(chip))
 		goto fail;
+#ifndef CONFIG_SND_MAESTRO3_INPUT
 	spin_lock_irqsave(&chip->ac97_lock, flags);
+#endif
 	snd_m3_outb(chip, 0x80 | (reg & 0x7f), CODEC_COMMAND);
 	if (snd_m3_ac97_wait(chip))
 		goto fail_unlock;
 	data = snd_m3_inw(chip, CODEC_DATA);
 fail_unlock:
+#ifndef CONFIG_SND_MAESTRO3_INPUT
 	spin_unlock_irqrestore(&chip->ac97_lock, flags);
+#endif
 fail:
 	return data;
 }
@@ -1977,14 +2026,20 @@ static void
 snd_m3_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val)
 {
 	struct snd_m3 *chip = ac97->private_data;
+#ifndef CONFIG_SND_MAESTRO3_INPUT
 	unsigned long flags;
+#endif
 
 	if (snd_m3_ac97_wait(chip))
 		return;
+#ifndef CONFIG_SND_MAESTRO3_INPUT
 	spin_lock_irqsave(&chip->ac97_lock, flags);
+#endif
 	snd_m3_outw(chip, val, CODEC_DATA);
 	snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
+#ifndef CONFIG_SND_MAESTRO3_INPUT
 	spin_unlock_irqrestore(&chip->ac97_lock, flags);
+#endif
 }
 
 
@@ -2091,7 +2146,9 @@ static int __devinit snd_m3_mixer(struct snd_m3 *chip)
 {
 	struct snd_ac97_bus *pbus;
 	struct snd_ac97_template ac97;
+#ifndef CONFIG_SND_MAESTRO3_INPUT
 	struct snd_ctl_elem_id elem_id;
+#endif
 	int err;
 	static struct snd_ac97_bus_ops ops = {
 		.write = snd_m3_ac97_write,
@@ -2111,6 +2168,7 @@ static int __devinit snd_m3_mixer(struct snd_m3 *chip)
 	schedule_timeout_uninterruptible(msecs_to_jiffies(100));
 	snd_ac97_write(chip->ac97, AC97_PCM, 0);
 
+#ifndef CONFIG_SND_MAESTRO3_INPUT
 	memset(&elem_id, 0, sizeof(elem_id));
 	elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 	strcpy(elem_id.name, "Master Playback Switch");
@@ -2119,6 +2177,7 @@ static int __devinit snd_m3_mixer(struct snd_m3 *chip)
 	elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 	strcpy(elem_id.name, "Master Playback Volume");
 	chip->master_volume = snd_ctl_find_id(chip->card, &elem_id);
+#endif
 
 	return 0;
 }
@@ -2398,6 +2457,11 @@ static int snd_m3_free(struct snd_m3 *chip)
 	struct m3_dma *s;
 	int i;
 
+#ifdef CONFIG_SND_MAESTRO3_INPUT
+	if (chip->input_dev)
+		input_unregister_device(chip->input_dev);
+#endif
+
 	if (chip->substreams) {
 		spin_lock_irq(&chip->reg_lock);
 		for (i = 0; i < chip->num_substreams; i++) {
@@ -2524,6 +2588,41 @@ static int m3_resume(struct pci_dev *pci)
 }
 #endif /* CONFIG_PM */
 
+#ifdef CONFIG_SND_MAESTRO3_INPUT
+static int __devinit snd_m3_input_register(struct snd_m3 *chip)
+{
+	struct input_dev *input_dev;
+	int err;
+
+	input_dev = input_allocate_device();
+	if (!input_dev)
+		return -ENOMEM;
+
+	snprintf(chip->phys, sizeof(chip->phys), "pci-%s/input0",
+		 pci_name(chip->pci));
+
+	input_dev->name = chip->card->driver;
+	input_dev->phys = chip->phys;
+	input_dev->id.bustype = BUS_PCI;
+	input_dev->id.vendor  = chip->pci->vendor;
+	input_dev->id.product = chip->pci->device;
+	input_dev->dev.parent = &chip->pci->dev;
+
+	__set_bit(EV_KEY, input_dev->evbit);
+	__set_bit(KEY_MUTE, input_dev->keybit);
+	__set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
+	__set_bit(KEY_VOLUMEUP, input_dev->keybit);
+
+	err = input_register_device(input_dev);
+	if (err) {
+		input_free_device(input_dev);
+		return err;
+	}
+
+	chip->input_dev = input_dev;
+	return 0;
+}
+#endif /* CONFIG_INPUT */
 
 /*
  */
@@ -2567,7 +2666,9 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
 	}
 
 	spin_lock_init(&chip->reg_lock);
+#ifndef CONFIG_SND_MAESTRO3_INPUT
 	spin_lock_init(&chip->ac97_lock);
+#endif
 
 	switch (pci->device) {
 	case PCI_DEVICE_ID_ESS_ALLEGRO:
@@ -2650,7 +2751,9 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
 
 	snd_m3_hv_init(chip);
 
+#ifndef CONFIG_SND_MAESTRO3_INPUT
 	tasklet_init(&chip->hwvol_tq, snd_m3_update_hw_volume, (unsigned long)chip);
+#endif
 
 	if (request_irq(pci->irq, snd_m3_interrupt, IRQF_SHARED,
 			card->driver, chip)) {
@@ -2682,7 +2785,16 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
 
 	if ((err = snd_m3_pcm(chip, 0)) < 0)
 		return err;
-    
+
+#ifdef CONFIG_SND_MAESTRO3_INPUT
+	if (chip->hv_config & HV_CTRL_ENABLE) {
+		err = snd_m3_input_register(chip);
+		if (err)
+			snd_printk(KERN_WARNING "Input device registration "
+				"failed with error %i", err);
+	}
+#endif
+
 	snd_m3_enable_ints(chip);
 	snd_m3_assp_continue(chip);
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-10-08 12:38:25 +0000