1 files changed, 184 insertions, 0 deletions
diff --git a/firmware/drivers/audio/uda1341.c b/firmware/drivers/audio/uda1341.c
new file mode 100644
index 0000000000..f9d95eff02
--- /dev/null
+++ b/firmware/drivers/audio/uda1341.c
@@ -0,0 +1,184 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id: uda1380.c 21975 2009-07-19 22:45:32Z bertrik $
+ *
+ * Copyright (C) 2009 by Bob Cousins
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include <string.h>
+#include "config.h"
+#include "logf.h"
+#include "system.h"
+#include "audio.h"
+#include "debug.h"
+#include "audiohw.h"
+const struct sound_settings_info audiohw_settings[] = {
+    [SOUND_VOLUME]        = {"dB", 0,  1, -84,   0, -25},
+    [SOUND_BASS]          = {"dB", 0,  2,   0,  24,   0},
+    [SOUND_TREBLE]        = {"dB", 0,  2,   0,   6,   0},
+    [SOUND_BALANCE]       = {"%",  0,  1,-100, 100,   0},
+    [SOUND_CHANNELS]      = {"",   0,  1,   0,   5,   0},
+    [SOUND_STEREO_WIDTH]  = {"%",  0,  5,   0, 250, 100},
+#ifdef HAVE_RECORDING
+    [SOUND_LEFT_GAIN]     = {"dB", 1,  1,-128,  96,   0},
+    [SOUND_RIGHT_GAIN]    = {"dB", 1,  1,-128,  96,   0},
+    [SOUND_MIC_GAIN]      = {"dB", 1,  1,-128, 108,  16},
+#endif
+};
+/****************************************************************************/
+/* ------------------------------------------------- */
+/* Local functions and variables */
+/* ------------------------------------------------- */
+/* Generic L3 functions */
+#define L3PORT      GPBDAT
+#define L3MODE      (1 << 2)
+#define L3DATA      (1 << 3)
+#define L3CLOCK     (1 << 4)
+static void l3_init (void)
+{
+    L3PORT |= L3MODE | L3CLOCK;
+    L3PORT &= L3DATA; 
+    S3C2440_GPIO_CONFIG (GPBCON, 2, GPIO_OUTPUT);   /* L3 MODE */
+    S3C2440_GPIO_CONFIG (GPBCON, 3, GPIO_OUTPUT);   /* L3 DATA */
+    S3C2440_GPIO_CONFIG (GPBCON, 4, GPIO_OUTPUT);   /* L3 CLOCK */
+    
+    S3C2440_GPIO_PULLUP (GPBUP, 2, GPIO_PULLUP_DISABLE);
+    S3C2440_GPIO_PULLUP (GPBUP, 3, GPIO_PULLUP_DISABLE);
+    S3C2440_GPIO_PULLUP (GPBUP, 4, GPIO_PULLUP_DISABLE);
+}
+static void bit_delay (void)
+{
+    int j;
+    for (j=0; j<4; j++)
+        ;
+}
+static void l3_write_byte (unsigned char data, bool address_mode)
+{
+    int bit;
+    
+    L3PORT |= L3CLOCK;
+    if (address_mode)
+        L3PORT &= ~L3MODE;
+    else
+        L3PORT |= L3MODE;
+    
+    for (bit=0; bit < 8; bit++)
+    {
+        if (data & 1)
+        {
+            L3PORT |= L3DATA;
+        }
+        else
+        {
+            L3PORT &= ~L3DATA;
+        }
+        L3PORT &= ~L3CLOCK;
+        bit_delay();
+        L3PORT |= L3CLOCK;
+        bit_delay();
+        
+        data >>= 1;
+    }    
+    
+    if (address_mode)
+        L3PORT |= L3MODE;
+    else
+        L3PORT &= ~L3MODE;
+    bit_delay();
+}
+static void l3_write_addr (unsigned char addr)
+{
+    /* write address byte */
+    l3_write_byte (addr, true);
+}
+static void l3_write_data (unsigned char data)
+{
+    /* write data byte */
+    l3_write_byte (data, false);
+}
+/****************************************************************************/
+/* UDA1341 access functions */
+static int udacodec_write(unsigned char reg, unsigned short value)
+{
+    l3_write_addr (UDA1341_ADDR | reg);
+    l3_write_data (value & 0xff);
+    return 0;
+}
+static void udacodec_reset(void)
+{
+    /* uda reset */
+    l3_init();
+    
+    udacodec_write (UDA_REG_STATUS, UDA_STATUS_0 | UDA_RESET | UDA_SYSCLK_256FS | 
+                                    I2S_IFMT_IIS);
+    udacodec_write (UDA_REG_STATUS, UDA_STATUS_0 | UDA_SYSCLK_256FS | I2S_IFMT_IIS);
+    udacodec_write (UDA_REG_STATUS, UDA_STATUS_1 | UDA_POWER_DAC_ON);
+}
+/****************************************************************************/
+/* Audio API functions */
+void audiohw_init(void)
+{
+    udacodec_reset();
+}
+void audiohw_close(void)
+{
+}
+void audiohw_set_bass(int value)
+{
+}
+void audiohw_set_treble(int value)
+{
+}
+void audiohw_mute(bool mute)
+{
+}
+void audiohw_set_prescaler(int val)
+{
+}
+void audiohw_postinit(void)
+{
+}
+void audiohw_set_frequency(int fsel)
+{
+}

diff --git a/firmware/drivers/audio/uda1341.c b/firmware/drivers/audio/uda1341.c new file mode 100644 index 0000000000..f9d95eff02 --- /dev/null +++ b/firmware/drivers/audio/uda1341.c
@@ -0,0 +1,184 @@
	1	/***************************************************************************
	2	* __________ __ ___.
	3	* Open \______ \ ____ ____ \| \| _\_ \|__ _______ ___
	4	* Source \| _// _ \_/ ___\\| \|/ /\| __ \ / _ \ \/ /
	5	* Jukebox \| \| ( <_> ) \___\| < \| \_\ ( <_> > < <
	6	* Firmware \|____\|_ /\____/ \___ >__\|_ \\|___ /\____/__/\_ \
	7	* \/ \/ \/ \/ \/
	8	* $Id: uda1380.c 21975 2009-07-19 22:45:32Z bertrik $
	9	*
	10	* Copyright (C) 2009 by Bob Cousins
	11	*
	12	* This program is free software; you can redistribute it and/or
	13	* modify it under the terms of the GNU General Public License
	14	* as published by the Free Software Foundation; either version 2
	15	* of the License, or (at your option) any later version.
	16	*
	17	* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
	18	* KIND, either express or implied.
	19	*
	20	****************************************************************************/
	21	#include <string.h>
	22
	23	#include "config.h"
	24	#include "logf.h"
	25	#include "system.h"
	26	#include "audio.h"
	27	#include "debug.h"
	28
	29	#include "audiohw.h"
	30
	31
	32	const struct sound_settings_info audiohw_settings[] = {
	33	[SOUND_VOLUME] = {"dB", 0, 1, -84, 0, -25},
	34	[SOUND_BASS] = {"dB", 0, 2, 0, 24, 0},
	35	[SOUND_TREBLE] = {"dB", 0, 2, 0, 6, 0},
	36	[SOUND_BALANCE] = {"%", 0, 1,-100, 100, 0},
	37	[SOUND_CHANNELS] = {"", 0, 1, 0, 5, 0},
	38	[SOUND_STEREO_WIDTH] = {"%", 0, 5, 0, 250, 100},
	39	#ifdef HAVE_RECORDING
	40	[SOUND_LEFT_GAIN] = {"dB", 1, 1,-128, 96, 0},
	41	[SOUND_RIGHT_GAIN] = {"dB", 1, 1,-128, 96, 0},
	42	[SOUND_MIC_GAIN] = {"dB", 1, 1,-128, 108, 16},
	43	#endif
	44	};
	45
	46	/****************************************************************************/
	47
	48	/* ------------------------------------------------- */
	49	/* Local functions and variables */
	50	/* ------------------------------------------------- */
	51
	52	/* Generic L3 functions */
	53
	54	#define L3PORT GPBDAT
	55	#define L3MODE (1 << 2)
	56	#define L3DATA (1 << 3)
	57	#define L3CLOCK (1 << 4)
	58
	59	static void l3_init (void)
	60	{
	61	L3PORT \|= L3MODE \| L3CLOCK;
	62	L3PORT &= L3DATA;
	63
	64	S3C2440_GPIO_CONFIG (GPBCON, 2, GPIO_OUTPUT); /* L3 MODE */
	65	S3C2440_GPIO_CONFIG (GPBCON, 3, GPIO_OUTPUT); /* L3 DATA */
	66	S3C2440_GPIO_CONFIG (GPBCON, 4, GPIO_OUTPUT); /* L3 CLOCK */
	67
	68	S3C2440_GPIO_PULLUP (GPBUP, 2, GPIO_PULLUP_DISABLE);
	69	S3C2440_GPIO_PULLUP (GPBUP, 3, GPIO_PULLUP_DISABLE);
	70	S3C2440_GPIO_PULLUP (GPBUP, 4, GPIO_PULLUP_DISABLE);
	71	}
	72
	73	static void bit_delay (void)
	74	{
	75	int j;
	76	for (j=0; j<4; j++)
	77	;
	78	}
	79
	80	static void l3_write_byte (unsigned char data, bool address_mode)
	81	{
	82	int bit;
	83
	84	L3PORT \|= L3CLOCK;
	85	if (address_mode)
	86	L3PORT &= ~L3MODE;
	87	else
	88	L3PORT \|= L3MODE;
	89
	90	for (bit=0; bit < 8; bit++)
	91	{
	92	if (data & 1)
	93	{
	94	L3PORT \|= L3DATA;
	95	}
	96	else
	97	{
	98	L3PORT &= ~L3DATA;
	99	}
	100	L3PORT &= ~L3CLOCK;
	101	bit_delay();
	102	L3PORT \|= L3CLOCK;
	103	bit_delay();
	104
	105	data >>= 1;
	106	}
	107
	108	if (address_mode)
	109	L3PORT \|= L3MODE;
	110	else
	111	L3PORT &= ~L3MODE;
	112	bit_delay();
	113	}
	114
	115	static void l3_write_addr (unsigned char addr)
	116	{
	117	/* write address byte */
	118	l3_write_byte (addr, true);
	119	}
	120
	121	static void l3_write_data (unsigned char data)
	122	{
	123	/* write data byte */
	124	l3_write_byte (data, false);
	125	}
	126
	127	/****************************************************************************/
	128
	129	/* UDA1341 access functions */
	130
	131	static int udacodec_write(unsigned char reg, unsigned short value)
	132	{
	133	l3_write_addr (UDA1341_ADDR \| reg);
	134	l3_write_data (value & 0xff);
	135	return 0;
	136	}
	137
	138	static void udacodec_reset(void)
	139	{
	140	/* uda reset */
	141	l3_init();
	142
	143	udacodec_write (UDA_REG_STATUS, UDA_STATUS_0 \| UDA_RESET \| UDA_SYSCLK_256FS \|
	144	I2S_IFMT_IIS);
	145	udacodec_write (UDA_REG_STATUS, UDA_STATUS_0 \| UDA_SYSCLK_256FS \| I2S_IFMT_IIS);
	146	udacodec_write (UDA_REG_STATUS, UDA_STATUS_1 \| UDA_POWER_DAC_ON);
	147	}
	148
	149	/****************************************************************************/
	150
	151	/* Audio API functions */
	152
	153	void audiohw_init(void)
	154	{
	155	udacodec_reset();
	156	}
	157
	158	void audiohw_close(void)
	159	{
	160	}
	161
	162	void audiohw_set_bass(int value)
	163	{
	164	}
	165
	166	void audiohw_set_treble(int value)
	167	{
	168	}
	169
	170	void audiohw_mute(bool mute)
	171	{
	172	}
	173
	174	void audiohw_set_prescaler(int val)
	175	{
	176	}
	177
	178	void audiohw_postinit(void)
	179	{
	180	}
	181
	182	void audiohw_set_frequency(int fsel)
	183	{
	184	}