Imported Upstream version 4.2-build2006upstream/4.2-build2006upstream

1 files changed, 338 insertions, 0 deletions

diff --git a/kernel/drv/oss_envy24ht/envy24ht_revo71.c b/kernel/drv/oss_envy24ht/envy24ht_revo71.c
new file mode 100644
index 0000000..fd3a9bb
--- /dev/null
+++ b/kernel/drv/oss_envy24ht/envy24ht_revo71.c
@@ -0,0 +1,338 @@
+/*
+ * Purpose: Low level routines for M Audio Revolution 7.1
+ */
+/*
+ *
+ * This file is part of Open Sound System.
+ *
+ * Copyright (C) 4Front Technologies 1996-2008.
+ *
+ * This this source file is released under GPL v2 license (no other versions).
+ * See the COPYING file included in the main directory of this source
+ * distribution for the license terms and conditions.
+ *
+ */
+
+#include "oss_envy24ht_cfg.h"
+
+#include "spdif.h"
+#include "envy24ht.h"
+
+#define BIT(x) (1<<(x))
+
+#define CCLK	(1<<1)
+#define CDIN	(1<<2)		/* Currently not connected */
+#define CDTI	(1<<3)
+#define CSDIG	(1<<4)
+#define CSN1	(1<<5)
+#define CSN2	(1<<6)
+
+#define WRITEMASK 	(CSN1|CSN2|CDTI|CCLK)
+
+#define DAC1 0x01		/* 2ch Front DAC (AK4381) */
+#define DAC2 0x03		/* 6ch Surround DAC (AK4355) */
+
+
+static void
+writereg (envy24ht_devc * devc, int csn, int chip, unsigned char reg,
+	  unsigned char val)
+{
+  int i;
+  unsigned short v, tmp;
+
+  tmp = INW (devc->osdev, devc->ccs_base + 0x14) & ~(csn | CCLK | CDTI);
+  OUTW (devc->osdev, tmp, devc->ccs_base + 0x14);
+
+  reg = (reg & 0x1f) | 0x20 | (chip << 6);	/* Chip address (variable), write */
+  /* Address bits */
+
+  for (i = 7; i >= 0; i--)
+    {
+      v = (reg & (1 << i)) ? CDTI : 0;
+      OUTW (devc->osdev, v | tmp, devc->ccs_base + 0x14);	/* Tack */
+      OUTW (devc->osdev, v | CCLK | tmp, devc->ccs_base + 0x14);	/* Tick */
+    }
+
+  /* Data bits */
+
+  for (i = 7; i >= 0; i--)
+    {
+      v = (val & (1 << i)) ? CDTI : 0;
+      OUTW (devc->osdev, v | tmp, devc->ccs_base + 0x14);	/* Tack */
+      OUTW (devc->osdev, v | CCLK | tmp, devc->ccs_base + 0x14);	/* Tick */
+    }
+
+  OUTW (devc->osdev, v | tmp, devc->ccs_base + 0x14);	/* Tack */
+  OUTW (devc->osdev, tmp | csn | CDTI | CCLK, devc->ccs_base + 0x14);	/* Release */
+
+}
+
+static void
+writedac1 (envy24ht_devc * devc, unsigned char reg, unsigned char data)
+{
+  writereg (devc, CSN1, DAC1, reg, data);
+  devc->dac1val[reg] = data;
+}
+
+static void
+writedac2 (envy24ht_devc * devc, unsigned char reg, unsigned char data)
+{
+  writereg (devc, CSN2, DAC2, reg, data);
+  devc->dac2val[reg] = data;
+}
+
+static void
+revo71_mute (envy24ht_devc * devc, int mute)
+{
+  if (mute)
+    {
+      writedac1 (devc, 1, devc->dac1val[1] | BIT (0));
+      writedac2 (devc, 1, devc->dac2val[1] | BIT (1));
+      oss_udelay (1000);
+/*      OUTB (devc->osdev, INB (devc->osdev, devc->ccs_base + 0x1e) & ~BIT(22-16), */
+/*          devc->ccs_base + 0x1e); */
+    }
+  else
+    {
+/*      OUTB (devc->osdev, INB (devc->osdev, devc->ccs_base + 0x1e) | ~BIT(22-16), */
+/*          devc->ccs_base + 0x1e); */
+      oss_udelay (1000);
+      writedac1 (devc, 1, devc->dac1val[1] & ~BIT (0));
+      writedac2 (devc, 1, devc->dac2val[1] & ~BIT (1));
+    }
+}
+
+static void
+revo71_card_init (envy24ht_devc * devc)
+{
+  int i;
+
+  OUTL (devc->osdev, WRITEMASK | 0x400000, devc->ccs_base + 0x18);	/* GPIO direction */
+  OUTW (devc->osdev, ~WRITEMASK, devc->ccs_base + 0x16);	/* GPIO write mask */
+  OUTB (devc->osdev, 0x40, devc->ccs_base + 0x1f);
+  OUTW (devc->osdev, WRITEMASK, devc->ccs_base + 0x14);	/* Initial bit state */
+
+  OUTB (devc->osdev, 0xff, devc->ccs_base + 0x1a);	/* GPIO direction for bits 16:22 */
+  OUTB (devc->osdev, 0x00, devc->ccs_base + 0x1f);	/* GPIO mask for bits 16:22 */
+  OUTB (devc->osdev, 0xff, devc->ccs_base + 0x1e);	/* GPIO data for bits 16:22 */
+
+#if 0
+  for (i = 0; i < 7; i++)
+    {
+      OUTW (devc->osdev, 1 << i, devc->ccs_base + 0x14);	/* Test bit */
+      OUTW (devc->osdev, 0, devc->ccs_base + 0x14);	/* Test bit */
+    }
+#endif
+
+  OUTW (devc->osdev, WRITEMASK, devc->ccs_base + 0x14);	/* Initial bit state */
+  oss_udelay (10);
+
+  revo71_mute (devc, 1);
+/*
+ * Init front DAC (AK4381)
+ */
+  writedac1 (devc, 0x00, 0x0c);
+  writedac1 (devc, 0x01, 0x03);
+  writedac1 (devc, 0x02, 0x00);
+
+  writedac1 (devc, 0x03, 0xff);	/* Initial volume */
+  writedac1 (devc, 0x04, 0xff);	/* Initial volume */
+
+  writedac1 (devc, 0x00, 0x0f);
+/*
+ * Init surround DAC (AK4355)
+ */
+  writedac2 (devc, 0x01, 0x02);
+  writedac2 (devc, 0x00, 0x06);
+  oss_udelay (10);
+  writedac2 (devc, 0x02, 0x0e);
+  writedac2 (devc, 0x03, 0x01);
+
+  for (i = 4; i < 10; i++)
+    writedac2 (devc, i, 0xff);	/* Initial volumes */
+  writedac2 (devc, 0x0a, 0x00);
+
+  writedac2 (devc, 0x01, 0x01);
+  revo71_mute (devc, 0);
+}
+
+static void
+revo71_set_rate (envy24ht_devc * devc)
+{
+  int rate = devc->speed, i;
+  unsigned char tmp;
+
+  if (devc->speed == devc->prev_speed)
+    return;
+  devc->prev_speed = devc->speed;
+
+  revo71_mute (devc, 1);
+
+  /* Pulse the PRST# signal to reset converters */
+  OUTB (devc->osdev, INB (devc->osdev, devc->mt_base + 0x05) | 0x80,
+	devc->mt_base + 0x05);
+  oss_udelay (5000);
+  OUTB (devc->osdev, INB (devc->osdev, devc->mt_base + 0x05) & ~0x80,
+	devc->mt_base + 0x05);
+  oss_udelay (5000);
+
+  tmp = 0x03;
+  if (rate <= 48000)
+    tmp |= 0x00;
+  else
+    {
+      if (rate <= 96000)
+	tmp |= 0x04;
+      else
+	tmp |= 0x08;
+    }
+
+  /* Front DAC */
+
+  writedac1 (devc, 0, 0x0c);
+  writedac1 (devc, 1, tmp);
+  writedac1 (devc, 2, 0x00);
+  writedac1 (devc, 3, devc->dac1val[3]);
+  writedac1 (devc, 4, devc->dac1val[4]);
+  writedac1 (devc, 0, 0x0f);
+
+  /* Surround DAC */
+  writedac2 (devc, 1, 0x02);
+  writedac2 (devc, 0, 0x06);
+
+  tmp = 0x0e;
+
+  if (devc->speed > 60000)
+    {
+      if (devc->speed > 120000)
+	tmp |= 0x20;
+      else
+	tmp |= 0x10;
+    }
+  writedac2 (devc, 2, tmp);
+  writedac2 (devc, 3, 0x01);
+
+  for (i = 4; i < 10; i++)
+    writedac2 (devc, i, devc->dac2val[i]);
+
+  writedac2 (devc, 0xa, 0x00);
+  writedac2 (devc, 1, 0x03);
+
+  revo71_mute (devc, 0);
+}
+
+static int
+revo71_set_akm (int dev, int ctrl, unsigned int cmd, int value)
+{
+  envy24ht_devc *devc = mixer_devs[dev]->hw_devc;
+
+  if (cmd == SNDCTL_MIX_READ)
+    {
+      if (ctrl < 0 || ctrl > 4)
+	return OSS_EIO;
+
+      return devc->gains[ctrl];
+    }
+
+  if (cmd == SNDCTL_MIX_WRITE)
+    {
+      int left, right;
+
+      left = value & 0xff;
+      right = (value >> 8) & 0xff;
+
+      switch (ctrl)
+	{
+	case 0:		/* Front */
+	  writedac1 (devc, 0x03, left);
+	  writedac1 (devc, 0x04, right);
+	  break;
+
+	case 1:		/* Rear */
+	  writedac2 (devc, 0x06, left);
+	  writedac2 (devc, 0x07, right);
+	  break;
+
+	case 2:		/* Center */
+	  writedac2 (devc, 0x04, left);
+	  right = left;
+	  break;
+
+	case 3:		/* LFE */
+	  writedac2 (devc, 0x05, left);
+	  right = left;
+	  break;
+
+	case 4:		/* Surround */
+	  writedac2 (devc, 0x08, left);
+	  writedac2 (devc, 0x09, right);
+	  break;
+
+	default:
+	  return OSS_EINVAL;
+	}
+
+      value = left | (right << 8);
+      return devc->gains[ctrl] = value;
+    }
+
+  return OSS_EINVAL;
+}
+
+static int
+revo71_mixer_init (envy24ht_devc * devc, int dev, int group)
+{
+  int i, err;
+
+  for (i = 0; i < 6; i++)
+    devc->gains[i] = 0xffff;
+
+  if ((group = mixer_ext_create_group (dev, 0, "ENVY24HT_GAIN")) < 0)
+    return group;
+
+  if ((err = mixer_ext_create_control (dev, group,
+				       0, revo71_set_akm,
+				       MIXT_STEREOSLIDER,
+				       "GAIN_FRONT", 255,
+				       MIXF_READABLE | MIXF_WRITEABLE)) < 0)
+    return err;
+
+  if ((err = mixer_ext_create_control (dev, group,
+				       1, revo71_set_akm,
+				       MIXT_STEREOSLIDER,
+				       "GAIN_REAR", 255,
+				       MIXF_READABLE | MIXF_WRITEABLE)) < 0)
+    return err;
+
+  if ((err = mixer_ext_create_control (dev, group,
+				       2, revo71_set_akm,
+				       MIXT_MONOSLIDER,
+				       "GAIN_CENTER", 255,
+				       MIXF_READABLE | MIXF_WRITEABLE)) < 0)
+    return err;
+
+  if ((err = mixer_ext_create_control (dev, group,
+				       3, revo71_set_akm,
+				       MIXT_MONOSLIDER,
+				       "GAIN_LFE", 255,
+				       MIXF_READABLE | MIXF_WRITEABLE)) < 0)
+    return err;
+
+  if ((err = mixer_ext_create_control (dev, group,
+				       4, revo71_set_akm,
+				       MIXT_STEREOSLIDER,
+				       "GAIN_surround", 255,
+				       MIXF_READABLE | MIXF_WRITEABLE)) < 0)
+    return err;
+
+  return 0;
+}
+
+envy24ht_auxdrv_t envy24ht_revo71_auxdrv = {
+  revo71_card_init,
+  revo71_mixer_init,
+  revo71_set_rate,
+  NULL,
+  NULL,
+  NULL,				/* revo71_private1 */
+};