Merge branch 'topic/ctxfi' into for-linus

* topic/ctxfi: (35 commits)
  ALSA: ctxfi - Clear PCM resources at hw_params and hw_free
  ALSA: ctxfi - Check the presence of SRC instance in PCM pointer callbacks
  ALSA: ctxfi - Add missing start check in atc_pcm_playback_start()
  ALSA: ctxfi - Add use_system_timer module option
  ALSA: ctxfi - Fix wrong model id for UAA
  ALSA: ctxfi - Clean up probe routines
  ALSA: ctxfi - Fix / clean up hw20k2 chip code
  ALSA: ctxfi - Fix possible buffer pointer overrun
  ALSA: ctxfi - Remove useless initializations and cast
  ALSA: ctxfi - Fix DMA mask for emu20k2 chip
  ALSA: ctxfi - Make volume controls more intuitive
  ALSA: ctxfi - Optimize the native timer handling using wc counter
  ALSA: ctxfi - Add missing inclusion of linux/math64.h
  ALSA: ctxfi - Set device 0 for mixer control elements
  ALSA: ctxfi - Clean up / optimize
  ALSA: ctxfi - Set periods_min to 2
  ALSA: ctxfi - Use native timer interrupt on emu20k1
  ALSA: ctxfi - Fix previous fix for 64bit DMA
  ALSA: ctxfi - Fix endian-dependent codes
  ALSA: ctxfi - Allow 64bit DMA
  ...

1 files changed, 67 insertions, 0 deletions

diff --git a/sound/pci/ctxfi/ctmixer.h b/sound/pci/ctxfi/ctmixer.h
new file mode 100644
index 00000000000..e2d96ebde74
--- /dev/null
+++ b/sound/pci/ctxfi/ctmixer.h
@@ -0,0 +1,67 @@
+/**
+ * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
+ *
+ * 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.
+ *
+ * @File	ctmixer.h
+ *
+ * @Brief
+ * This file contains the definition of the mixer device functions.
+ *
+ * @Author	Liu Chun
+ * @Date 	Mar 28 2008
+ *
+ */
+
+#ifndef CTMIXER_H
+#define CTMIXER_H
+
+#include "ctatc.h"
+#include "ctresource.h"
+
+#define INIT_VOL	0x1c00
+
+enum MIXER_PORT_T {
+	MIX_WAVE_FRONT,
+	MIX_WAVE_REAR,
+	MIX_WAVE_CENTLFE,
+	MIX_WAVE_SURROUND,
+	MIX_SPDIF_OUT,
+	MIX_PCMO_FRONT,
+	MIX_MIC_IN,
+	MIX_LINE_IN,
+	MIX_SPDIF_IN,
+	MIX_PCMI_FRONT,
+	MIX_PCMI_REAR,
+	MIX_PCMI_CENTLFE,
+	MIX_PCMI_SURROUND,
+
+	NUM_MIX_PORTS
+};
+
+/* alsa mixer descriptor */
+struct ct_mixer {
+	struct ct_atc *atc;
+
+	void **amixers;		/* amixer resources for volume control */
+	void **sums;		/* sum resources for signal collection */
+	unsigned int switch_state; /* A bit-map to indicate state of switches */
+
+	int (*get_output_ports)(struct ct_mixer *mixer, enum MIXER_PORT_T type,
+				  struct rsc **rleft, struct rsc **rright);
+
+	int (*set_input_left)(struct ct_mixer *mixer,
+			      enum MIXER_PORT_T type, struct rsc *rsc);
+	int (*set_input_right)(struct ct_mixer *mixer,
+			       enum MIXER_PORT_T type, struct rsc *rsc);
+};
+
+int ct_alsa_mix_create(struct ct_atc *atc,
+		       enum CTALSADEVS device,
+		       const char *device_name);
+int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer);
+int ct_mixer_destroy(struct ct_mixer *mixer);
+
+#endif /* CTMIXER_H */