patch-2.0.1 linux/drivers/sound/sb.h

• Lines: 125
• Date: Sun Jun 30 11:43:38 1996
• Orig file: v2.0.0/linux/drivers/sound/sb.h
• Orig date: Sun Mar 24 22:49:43 1996

diff -u --recursive --new-file v2.0.0/linux/drivers/sound/sb.h linux/drivers/sound/sb.h
@@ -1,15 +1,15 @@
-#define DSP_RESET	(sbc_base + 0x6)
-#define DSP_READ	(sbc_base + 0xA)
-#define DSP_WRITE	(sbc_base + 0xC)
-#define DSP_COMMAND	(sbc_base + 0xC)
-#define DSP_STATUS	(sbc_base + 0xC)
-#define DSP_DATA_AVAIL	(sbc_base + 0xE)
-#define DSP_DATA_AVL16	(sbc_base + 0xF)
-#define MIXER_ADDR	(sbc_base + 0x4)
-#define MIXER_DATA	(sbc_base + 0x5)
-#define OPL3_LEFT	(sbc_base + 0x0)
-#define OPL3_RIGHT	(sbc_base + 0x2)
-#define OPL3_BOTH	(sbc_base + 0x8)
+#define DSP_RESET	(devc->base + 0x6)
+#define DSP_READ	(devc->base + 0xA)
+#define DSP_WRITE	(devc->base + 0xC)
+#define DSP_COMMAND	(devc->base + 0xC)
+#define DSP_STATUS	(devc->base + 0xC)
+#define DSP_DATA_AVAIL	(devc->base + 0xE)
+#define DSP_DATA_AVL16	(devc->base + 0xF)
+#define MIXER_ADDR	(devc->base + 0x4)
+#define MIXER_DATA	(devc->base + 0x5)
+#define OPL3_LEFT	(devc->base + 0x0)
+#define OPL3_RIGHT	(devc->base + 0x2)
+#define OPL3_BOTH	(devc->base + 0x8)
 /* DSP Commands */
 
 #define DSP_CMD_SPKON		0xD1
@@ -26,3 +26,96 @@
 #define NORMAL_MIDI	0
 #define UART_MIDI	1
 
+
+/*
+ * Device models
+ */
+#define MDL_NONE	0
+#define MDL_SB1		1	/* SB1.0 or 1.5 */
+#define MDL_SB2		2	/* SB2.0 */
+#define MDL_SB201	3	/* SB2.01 */
+#define MDL_SBPRO	4	/* SB Pro */
+#define MDL_SB16	5	/* SB16/32/AWE */
+#define MDL_JAZZ	10	/* Media Vision Jazz16 */
+#define MDL_SMW		11	/* Logitech Soundman Wave (Jazz16) */
+#define MDL_ESS		12	/* ESS ES688 and ES1688 */
+#define MDL_AZTECH	13	/* Aztech Sound Galaxy family */
+
+/*
+ * Config flags
+ */
+#define SB_NO_MIDI	0x00000001
+#define SB_NO_MIXER	0x00000002
+#define SB_NO_AUDIO	0x00000004
+#define SB_NO_RECORDING	0x00000008 /* No audio recording */
+#define SB_MIDI_ONLY	(SB_NO_AUDIO|SB_NO_MIXER)
+
+struct mixer_def {
+	unsigned int regno: 8;
+	unsigned int bitoffs:4;
+	unsigned int nbits:4;
+};
+
+typedef struct mixer_def mixer_tab[32][2];
+typedef struct mixer_def mixer_ent;
+
+typedef struct sb_devc {
+	   int dev;
+
+	/* Hardware parameters */
+	   int *osp;
+	   int minor, major;
+	   int type;
+	   int model, submodel;
+	   int caps;
+#	define SBCAP_STEREO	0x00000001
+#	define SBCAP_16BITS	0x00000002
+
+	/* Hardware resources */
+	   int base;
+	   int irq;
+	   int dma8, dma16;
+
+	/* State variables */
+ 	   int opened;
+	   int speed, bits, channels;
+	   volatile int irq_ok;
+	   volatile int intr_active, irq_mode;
+
+	/* Mixer fields */
+	   int levels[SOUND_MIXER_NRDEVICES];
+	   mixer_tab *iomap;
+	   int mixer_caps, recmask, supported_devices;
+	   int supported_rec_devices;
+	   int my_mixerdev;
+
+	/* Audio fields */
+	   unsigned long trg_buf;
+	   int      trigger_bits;
+	   int      trg_bytes;
+	   int      trg_intrflag;
+	   int      trg_restart;
+	   unsigned char tconst;
+	   int my_dev;
+	
+	/* MIDI fields */
+	   int my_mididev;
+	   int input_opened;
+	   void (*midi_input_intr) (int dev, unsigned char data);
+	} sb_devc;
+
+int sb_dsp_command (sb_devc *devc, unsigned char val);
+int sb_dsp_get_byte (sb_devc *devc);
+int sb_dsp_reset (sb_devc *devc);
+void sb_setmixer (sb_devc *devc, unsigned int port, unsigned int value);
+unsigned int sb_getmixer (sb_devc *devc, unsigned int port);
+int sb_dsp_detect (struct address_info *hw_config);
+void sb_dsp_init (struct address_info *hw_config);
+void sb_dsp_unload(struct address_info *hw_config);
+int sb_mixer_init(sb_devc *devc);
+void smw_mixer_init(sb_devc *devc);
+void sb_dsp_midi_init (sb_devc *devc);
+void sb_audio_init (sb_devc *devc, char *name);
+void sb_midi_interrupt (sb_devc *devc);
+int ess_write (sb_devc *devc, unsigned char reg, unsigned char data);
+int ess_read (sb_devc *devc, unsigned char reg);