patch-2.2.18 linux/drivers/sound/emu10k1/ecard.h

• Lines: 114
• Date: Tue Nov 28 17:21:02 2000
• Orig file: v2.2.17/drivers/sound/emu10k1/ecard.h
• Orig date: Thu Jan 1 01:00:00 1970

diff -u --new-file --recursive --exclude-from /usr/src/exclude v2.2.17/drivers/sound/emu10k1/ecard.h linux/drivers/sound/emu10k1/ecard.h
@@ -0,0 +1,113 @@
+/*     
+ **********************************************************************
+ *     ecard.h
+ *     Copyright 1999, 2000 Creative Labs, Inc. 
+ * 
+ ********************************************************************** 
+ * 
+ *     This program is free software; you can redistribute it and/or 
+ *     modify it under the terms of the GNU General Public License as 
+ *     published by the Free Software Foundation; either version 2 of 
+ *     the License, or (at your option) any later version. 
+ * 
+ *     This program is distributed in the hope that it will be useful, 
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
+ *     GNU General Public License for more details. 
+ * 
+ *     You should have received a copy of the GNU General Public 
+ *     License along with this program; if not, write to the Free 
+ *     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, 
+ *     USA. 
+ * 
+ ********************************************************************** 
+ */ 
+
+#ifndef _ECARD_H
+#define _ECARD_H
+
+#include "8010.h"
+#include "hwaccess.h"
+#include <linux/init.h>
+
+/* In A1 Silicon, these bits are in the HC register */
+#define HOOKN_BIT   (1L << 12)
+#define HANDN_BIT   (1L << 11)
+#define PULSEN_BIT  (1L << 10)
+
+#define EC_GDI1 (1 << 13)
+#define EC_GDI0 (1 << 14)
+
+#define EC_NUM_CONTROL_BITS 20
+
+#define EC_AC3_DATA_SELN  0x0001L
+#define EC_EE_DATA_SEL    0x0002L
+#define EC_EE_CNTRL_SELN  0x0004L
+#define EC_EECLK          0x0008L
+#define EC_EECS           0x0010L
+#define EC_EESDO          0x0020L
+#define EC_TRIM_CSN	  0x0040L
+#define EC_TRIM_SCLK	  0x0080L
+#define EC_TRIM_SDATA	  0x0100L
+#define EC_TRIM_MUTEN	  0x0200L
+#define EC_ADCCAL	  0x0400L
+#define EC_ADCRSTN	  0x0800L
+#define EC_DACCAL	  0x1000L
+#define EC_DACMUTEN	  0x2000L
+#define EC_LEDN		  0x4000L
+
+#define EC_SPDIF0_SEL_SHIFT	15
+#define EC_SPDIF1_SEL_SHIFT	17	
+#define EC_SPDIF0_SEL_MASK	(0x3L << EC_SPDIF0_SEL_SHIFT)
+#define EC_SPDIF1_SEL_MASK	(0x7L << EC_SPDIF1_SEL_SHIFT)
+#define EC_SPDIF0_SELECT(_x) (((_x) << EC_SPDIF0_SEL_SHIFT) & EC_SPDIF0_SEL_MASK)
+#define EC_SPDIF1_SELECT(_x) (((_x) << EC_SPDIF1_SEL_SHIFT) & EC_SPDIF1_SEL_MASK)
+#define EC_CURRENT_PROM_VERSION 0x01 /* Self-explanatory.  This should
+                                      * be incremented any time the EEPROM's
+                                      * format is changed.  */
+
+#define EC_EEPROM_SIZE	        0x40 /* ECARD EEPROM has 64 16-bit words */
+
+/* Addresses for special values stored in to EEPROM */
+#define EC_PROM_VERSION_ADDR	0x20	/* Address of the current prom version */
+#define EC_BOARDREV0_ADDR	0x21	/* LSW of board rev */
+#define EC_BOARDREV1_ADDR 	0x22	/* MSW of board rev */ 
+
+#define EC_LAST_PROMFILE_ADDR	0x2f
+
+#define EC_SERIALNUM_ADD	0x30	/* First word of serial number.  The number
+                                         * can be up to 30 characters in length
+                                         * and is stored as a NULL-terminated
+                                         * ASCII string.  Any unused bytes must be
+                                         * filled with zeros */
+#define EC_CHECKSUM_ADDR	0x3f    /* Location at which checksum is stored */
+
+
+
+/* Most of this stuff is pretty self-evident.  According to the hardware 
+ * dudes, we need to leave the ADCCAL bit low in order to avoid a DC 
+ * offset problem.  Weird.
+ */
+#define EC_RAW_RUN_MODE	(EC_DACMUTEN | EC_ADCRSTN | EC_TRIM_MUTEN | EC_TRIM_CSN)
+
+
+#define EC_DEFAULT_ADC_GAIN   0xC4C4
+#define EC_DEFAULT_SPDIF0_SEL 0x0
+#define EC_DEFAULT_SPDIF1_SEL 0x4
+
+#define HC_EA 0x01L
+
+/* ECARD state structure.  This structure maintains the state
+ * for various portions of the the ECARD's onboard hardware.
+ */
+struct ecard_state {
+	u32 control_bits;
+	u16 adc_gain;
+	u16 mux0_setting;
+	u16 mux1_setting;
+	u16 mux2_setting;
+};
+
+int emu10k1_ecard_init(struct emu10k1_card *) __devinit;
+
+#endif /* _ECARD_H */