diff options
Diffstat (limited to 'xorg-server/hw/xfree86/i2c/uda1380.c')
| -rw-r--r-- | xorg-server/hw/xfree86/i2c/uda1380.c | 183 |
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) +{ +} |