#ifdef HAVE_XORG_CONFIG_H #include <xorg-config.h> #endif #include "xf86.h" #include "xf86i2c.h" #include "tda8425.h" #include "i2c_def.h" #define TDA8425(a,b) { \ data[0]=a; \ data[1]=b; \ I2C_WriteRead(&(t->d), data, 2, NULL, 0); \ } TDA8425Ptr Detect_tda8425(I2CBusPtr b, I2CSlaveAddr addr, Bool force) { TDA8425Ptr t; t = calloc(1, sizeof(TDA8425Rec)); if (t == NULL) return NULL; t->d.DevName = "TDA8425 BTSC Stereo Audio Processor"; 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 (!force && !I2CProbeAddress(b, addr)) { free(t); return NULL; } /* set default parameters */ if (!I2CDevInit(&(t->d))) { free(t); return NULL; } return t; } Bool tda8425_init(TDA8425Ptr t) { t->stereo = 3; /* 3 = Spacial 2 = Linear 1 = Pseudo 0 = Forced mono */ t->v_left = 0xFF; /* FF - C0 */ t->v_right = 0xFF; /* FF - C0 */ t->bass = 0xF6; /* 0xFF - 0xF0 */ t->treble = 0xF6; /* 0xFF - 0xF0 */ t->src_sel = 3; /* 3 - stereo */ t->mute = TRUE; t->mux = 0; /* 0 - source one, 1 -source 2 */ tda8425_setaudio(t); return TRUE; } void tda8425_setaudio(TDA8425Ptr t) { I2CByte data[2]; TDA8425(0x00, t->v_left); TDA8425(0x01, t->v_right); TDA8425(0x02, t->bass); TDA8425(0x03, t->treble); TDA8425(0x08, 0xC0 | (t->mute ? 0x20 : 0x0) | (t->stereo << 3) | (t-> src_sel << 1) | t->mux); } void tda8425_mute(TDA8425Ptr t, Bool mute) { t->mute = mute; tda8425_setaudio(t); }