#ifdef HAVE_XORG_CONFIG_H #include <xorg-config.h> #endif #include "xf86.h" #include "xf86i2c.h" #include "tda9885.h" #include "i2c_def.h" TDA9885Ptr Detect_tda9885(I2CBusPtr b, I2CSlaveAddr addr) { TDA9885Ptr t; I2CByte a; t = calloc(1, sizeof(TDA9885Rec)); if (t == NULL) return NULL; switch (addr) { case TDA9885_ADDR_1: case TDA9885_ADDR_2: case TDA9885_ADDR_3: case TDA9885_ADDR_4: t->d.DevName = "TDA9885 Alignment-free IF-PLL"; break; default: t->d.DevName = "Generic TDAxxxx"; 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)) { free(t); return NULL; } /* set default parameters */ if (!I2CDevInit(&(t->d))) { free(t); return NULL; } return t; } Bool tda9885_init(TDA9885Ptr t) { t->forced_mute_audio = 1; return TRUE; } void tda9885_getstatus(TDA9885Ptr t) { CARD8 value; I2C_WriteRead(&(t->d), NULL, 0, &value, 1); t->after_reset = value & 1; t->afc_status = (value >> 1) & 0xf; t->fm_carrier = (value >> 5) & 1; t->vif_level = (value >> 6) & 1; t->afc_win = (value >> 7) & 1; } void tda9885_setparameters(TDA9885Ptr t) { CARD8 data[4]; data[0] = 0; /* start with subaddress 0 */ data[1] = (t->sound_trap & 1) | ((t->auto_mute_fm & 1) << 1) | ((t->carrier_mode & 1) << 2) | ((t->modulation & 3) << 3) | ((t->forced_mute_audio & 1) << 5) | ((t->port1 & 1) << 6) | ((t->port2 & 1) << 7); /* B data */ data[2] = (t->top_adjustment & 0x1f) | ((t->deemphasis & 0x3) << 5) | ((t->audio_gain & 1) << 7); /* C data */ data[3] = (t->standard_sound_carrier & 0x3) | ((t->standard_video_if & 0x07) << 2) | ((t->minimum_gain & 0x01) << 5) | ((t->gating & 0x01) << 6) | ((t->vif_agc & 0x01) << 7); /* E data */ I2C_WriteRead(&(t->d), data, 4, NULL, 0); xf86DrvMsg(t->d.pI2CBus->scrnIndex, X_INFO, "TDA9885 setparam: B data: %x, C data: %x, E data: %x\n", data[1], data[2], data[3]); } void tda9885_dumpstatus(TDA9885Ptr t) { xf86DrvMsg(t->d.pI2CBus->scrnIndex, X_INFO, "TDA9885 status: after_reset=%d afc_status=%d (%3.1f kHz off) fm_carrier=%d vif_level=%d afc_win=%d %s\n", t->after_reset, t->afc_status, (t->afc_status < 8) ? -12.5 - t->afc_status * 25.0 : -12.5 + (16 - t->afc_status) * 25.0, t->fm_carrier, t->vif_level, t->afc_win, t->afc_win ? "VCO in" : "VCO out"); }