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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xfree86/i2c/uda1380.c
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Checked in the following released items:
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Diffstat (limited to 'xorg-server/hw/xfree86/i2c/uda1380.c')
-rw-r--r--xorg-server/hw/xfree86/i2c/uda1380.c183
1 files changed, 183 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/i2c/uda1380.c b/xorg-server/hw/xfree86/i2c/uda1380.c
new file mode 100644
index 000000000..defda3cdc
--- /dev/null
+++ b/xorg-server/hw/xfree86/i2c/uda1380.c
@@ -0,0 +1,183 @@
+/*************************************************************************************
+ * Copyright (C) 2005 Bogdan D. bogdand@users.sourceforge.net
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this
+ * software and associated documentation files (the "Software"), to deal in the Software
+ * without restriction, including without limitation the rights to use, copy, modify,
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
+ * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the author shall not be used in advertising or
+ * otherwise to promote the sale, use or other dealings in this Software without prior written
+ * authorization from the author.
+ *
+ ************************************************************************************/
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86.h"
+#include "xf86i2c.h"
+#include "uda1380.h"
+#include "i2c_def.h"
+
+UDA1380Ptr Detect_uda1380(I2CBusPtr b, I2CSlaveAddr addr)
+{
+ UDA1380Ptr t;
+ I2CByte a;
+
+ t = xcalloc(1, sizeof(UDA1380Rec));
+ if(t == NULL) return NULL;
+ switch(addr)
+ {
+ case UDA1380_ADDR_1:
+ case UDA1380_ADDR_2:
+ t->d.DevName = "UDA1380 Stereo audion coder-decoder";
+ break;
+ default:
+ t->d.DevName = "Generic UDAxxxx";
+ break;
+ }
+ t->d.SlaveAddr = addr;
+ t->d.pI2CBus = b;
+ t->d.NextDev = NULL;
+ t->d.StartTimeout = b->StartTimeout;
+ t->d.BitTimeout = b->BitTimeout;
+ t->d.AcknTimeout = b->AcknTimeout;
+ t->d.ByteTimeout = b->ByteTimeout;
+
+ if(!I2C_WriteRead(&(t->d), NULL, 0, &a, 1))
+ {
+ xfree(t);
+ return NULL;
+ }
+
+ /* set default parameters */
+ if(!I2CDevInit(&(t->d)))
+ {
+ xfree(t);
+ return NULL;
+ }
+
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 stereo coder-decoder detected\n");
+
+ return t;
+}
+
+Bool uda1380_init(UDA1380Ptr t)
+{
+ CARD8 data[3];
+ CARD16 tmp;
+ Bool ret;
+
+ /* Power control */
+ data[0] = 0x02;
+ tmp = (1 << 13) | (1 << 10) | ( 1 << 8) | (1 << 7) | (1 << 6) | (1 << 3) | (1 << 1);
+ data[1] = (CARD8)((tmp >> 8) & 0xff);
+ data[2] = (CARD8)(tmp & 0xff);
+ ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0);
+ if (ret == FALSE)
+ {
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to initialize\n");
+ return FALSE;
+ }
+
+ /* Analog mixer (AVC) */
+ data[0] = 0x03;
+ /* the analog mixer is muted initially */
+ data[1] = 0x3f;
+ data[2] = 0x3f;
+ ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0);
+ if (ret == FALSE)
+ {
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to initialize\n");
+ return FALSE;
+ }
+
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 initialized\n");
+
+ return TRUE;
+}
+
+void uda1380_shutdown(UDA1380Ptr t)
+{
+ CARD8 data[3];
+ Bool ret;
+
+ /* Power control */
+ data[0] = 0x02;
+ data[1] = 0;
+ data[2] = 0;
+ ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0);
+ if (ret == FALSE)
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to shutdown\n");
+}
+
+void uda1380_setvolume(UDA1380Ptr t, INT32 value)
+{
+ CARD8 data[3];
+ /*
+ * We have to scale the value ranging from -1000 to 1000 to 0x2c to 0
+ */
+ CARD8 volume = 47 - (CARD8)((value + 1000) * 47 / 2000);
+ Bool ret;
+
+ t->analog_mixer_settings = ((volume << 8) & 0x3f00) | (volume & 0x3f);
+
+ /* Analog mixer (AVC) */
+ data[0] = 0x03;
+ data[1] = volume & 0x3f;
+ data[2] = volume & 0x3f;
+ ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0);
+ if (ret == FALSE)
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to set volume\n");
+}
+
+void uda1380_mute(UDA1380Ptr t, Bool mute)
+{
+ CARD8 data[3];
+ Bool ret;
+
+ if (mute == TRUE)
+ {
+ /* Analog mixer (AVC) */
+ data[0] = 0x03;
+ data[1] = 0xff;
+ data[2] = 0xff;
+ ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0);
+ if (ret == FALSE)
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to mute\n");
+ }
+ else
+ {
+ /* Analog mixer (AVC) */
+ data[0] = 0x03;
+ data[1] = (CARD8)((t->analog_mixer_settings >> 8) & 0x3f);
+ data[2] = (CARD8)(t->analog_mixer_settings & 0x3f);
+ ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0);
+ if (ret == FALSE)
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to unmute\n");
+ }
+}
+
+void uda1380_getstatus(UDA1380Ptr t)
+{
+}
+
+void uda1380_setparameters(UDA1380Ptr t)
+{
+}
+
+void uda1380_dumpstatus(UDA1380Ptr t)
+{
+}