Imported Upstream version 4.2-build2006upstream/4.2-build2006upstream

1 files changed, 179 insertions, 0 deletions

diff --git a/kernel/framework/include/ac97.h b/kernel/framework/include/ac97.h
new file mode 100644
index 0000000..da6fcf2
--- /dev/null
+++ b/kernel/framework/include/ac97.h
@@ -0,0 +1,179 @@
+/*
+ * Purpose: Definitions for the AC97 codec support library
+ *
+ * This header file must be included by all low level drivers that support
+ * AC97 based devices.
+ */
+/*
+ *
+ * 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.
+ *
+ */
+
+typedef int (*ac97_ext_ioctl) (int dev, int audiodev, unsigned int cmd,
+			       int arg);
+typedef struct
+{
+  int is_ok;
+  char name[30];
+  void *host_parms;
+  oss_device_t *osdev;
+  ac97_readfunc_t read;
+  ac97_writefunc_t write;
+  unsigned short ac97_id;	/* Register 0x00 */
+  int mixer_dev;
+
+  /* Detected mixer capabilities */
+  int mastervol_bits;
+  int pcmvol_bits;
+  int rearvol_bits;
+  int centervol_bits;
+  int sidevol_bits;
+  int auxvol_bits;
+  int enh_bits;			/* number of bits for the 3D enhance */
+  int micboost;			/* 20db Mic boost on/off */
+  int *levels;
+  int recdevs;
+  ac97_ext_ioctl overrides[SOUND_MIXER_NRDEVICES];
+
+  int devmask;
+  int recmask;
+  int var_rate_support;
+  int fixed_rate;
+  int playrate_support;		/* ac97 2.4 codec */
+#define PLAY_2CHAN		0
+#define PLAY_4CHAN		1
+#define PLAY_6CHAN		2
+#define PLAY_8CHAN		3
+  int spdifout_support;
+#define CS_SPDIFOUT		1	/* Cirrus Logic */
+#define AD_SPDIFOUT		2	/* Analog Devices */
+#define STAC_SPDIFOUT		3	/* Sigmatel */
+#define ALC_SPDIFOUT		4	/* Avance Logic */
+#define VIA_SPDIFOUT		5	/* VIA Technologies */
+#define CMI_SPDIFOUT		6	/* CMedia */
+#define YMF_SPDIFOUT		7	/* Yamaha */
+#define CX_SPDIFOUT		8	/* Conexant */
+  int spdif_slot;
+#define SPDIF_SLOT34		0x00	/*slot3/4 = bits 5/6 = 0 */
+#define SPDIF_SLOT78		0x10
+#define SPDIF_SLOT69		0x20
+#define SPDIF_SLOT1011		0x30
+  int spdifin_support;
+#define ALC_SPDIFIN		1	/* Avance Logic SPDIF Input */
+#define CMI_SPDIFIN		2	/* CMedia SPDIF Input */
+
+  int mixer_ext;
+#define ALC650_MIXER_EXT	1
+#define AD1980_MIXER_EXT 	2
+#define VIA1616_MIXER_EXT	3
+#define CMI9739_MIXER_EXT	4
+#define CMI9780_MIXER_EXT	5
+#define STAC9758_MIXER_EXT	6
+#define WM9704_MIXER_EXT	7
+
+  int enh_3d;
+/*
+ * From AC97 register 0x00:
+ *
+ *	0x00=No enhancement
+ *	0x01=Analog Devices Phat Stereo
+ *	0x02=Creative Stereo Enhancement
+ *	0x03=National Semiconductor 3D Stereo Enhancement
+ *	0x04=Yamaha Ymersion
+ *	0x06=Crystal 3D Stereo Enhancement
+ *	0x07=Qsound QXpander
+ *	0x08=Spatializer 3D Stereo Enhancement
+ *	0x09=SRS 3D Stereo Enhancement
+ *	0x0b=AKM 3D Audio
+ *	0x0c=Aureal Stereo Enhancement
+ *	0x0d=Aztech 3D Audio Enhancement
+ *	0x0e=Binaura 3D Audio Enhancement
+ *	0x0f=ESS Technology
+ *	0x10=Harman International VMAx
+ *	0x11=NVidea 3D Stereo Enhancement
+ *	0x12=Philips Incredible Sound
+ *	0x13=Texas Instruments 3D Stereo Enhancement
+ *	0x14=VLSI Technology 3D Stereo Enhancement
+ *	0x18=Wolfson Analoque 3D stereo enhancement
+ *  0x1a=Sigmatel 3D Stereo enhancement (SS3D)
+ */
+  int extmixlevels[10];		/* volume controls for Rear/Center/additional chans */
+#define CENTER_VOL              0
+#define REAR_VOL            	1
+#define	SIDE_VOL		2
+  mixer_create_controls_t client_mixer_init;
+}
+ac97_devc;
+
+extern int ac97_install (ac97_devc * devc, char *name, ac97_readfunc_t readfn,
+			 ac97_writefunc_t writefn, void *hostparms,
+			 oss_device_t * osdev);
+#define AC97_INVERTED		0x1
+#define AC97_FORCE_SENSE	0x2
+extern int ac97_install_full (ac97_devc * devc, char *name,
+			      ac97_readfunc_t readfn, ac97_writefunc_t writefn,
+			      void *hostparms, oss_device_t * osdev, int flags);
+extern int ac97_init_ext (int dev, ac97_devc * devc,
+			  mixer_create_controls_t func, int nextra);
+extern int ac97_varrate (ac97_devc * devc);
+extern int ac97_recrate (ac97_devc * devc, int srate);
+extern int ac97_playrate (ac97_devc * devc, int srate);
+extern void ac97_remove_control (ac97_devc * devc, int mask, int level);
+extern void ac97_override_control (ac97_devc * devc, int ctrl,
+				   ac97_ext_ioctl func, int level);
+
+/* AC97 V2.2 mixer functions */
+extern int ac97_spdifin_ctl (int dev, int ctrl, unsigned int cmd, int value);
+extern int ac97_spdifout_ctl (int dev, int ctrl, unsigned int cmd, int value);
+extern void ac97_spdif_setup (int dev, int speed, int bits);
+extern int ac97_mixext_ctl (int dev, int ctrl, unsigned int cmd, int value);
+extern int ac97_mixer_set (ac97_devc * devc, int dev, int value);
+
+/* AC97 V2.2 Mixer extensions */
+#define VOL_CENTER		1
+#define VOL_REAR		2
+#define VOL_SIDE		3
+#define CENTER2MIC		4
+#define REAR2LINE		5
+#define SPREAD			6
+#define MICBOOST		7
+#define JACKSENSE		8
+#define DOWNMIX_LFE		9
+#define DOWNMIX_REAR		10
+
+/* SPDIF OUT Mixer Register Definitions */
+#define SPDIFOUT_ENABLE 	1
+#define SPDIFOUT_PRO    	2
+#define SPDIFOUT_AUDIO		3
+#define SPDIFOUT_COPY		4
+#define SPDIFOUT_PREEMPH	5
+#define SPDIFOUT_CATEGORY     	6
+#define SPDIFOUT_GENERATION	7
+#define SPDIFOUT_RATE		8
+#define SPDIFOUT_VBIT		9
+#define SPDIFOUT_ADC   		10
+
+/* SPDIF IN Mixer register Definitions */
+#define SPDIFIN_ENABLE 		1
+#define SPDIFIN_PRO    		2
+#define SPDIFIN_AUDIO  		3
+#define SPDIFIN_COPY   		4
+#define SPDIFIN_PREEMPH		5
+#define SPDIFIN_MODE   		6
+#define SPDIFIN_CATEGORY	7
+#define SPDIFIN_GENERATION	8
+#define SPDIFIN_SOURCE 		9
+#define SPDIFIN_CHAN   		10
+#define SPDIFIN_RATE   		11
+#define SPDIFIN_CLOCK  		12
+#define SPDIFIN_SIGNAL 		13
+#define SPDIFIN_VBIT   		14
+#define SPDIFIN_MON    		15
+#define SPDIFIN_LOOP   		16