/* -*- c-basic-offset: 4 -*- */ /* * Copyright © 2007 Dave Mueller * * 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 (including the next * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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. * * Authors: * Dave Mueller * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include "xf86.h" #include "xf86_OSproc.h" #include "xf86Resources.h" #include "compiler.h" #include "miscstruct.h" #include "xf86i2c.h" #include "xf86Crtc.h" #define DPMS_SERVER #include #include "../i2c_vid.h" #include "tfp410.h" #include "tfp410_reg.h" typedef struct _TFP410SaveRec { uint8_t ctl1; uint8_t ctl2; } TFP410SaveRec; typedef struct { I2CDevRec d; Bool quiet; TFP410SaveRec SavedReg; TFP410SaveRec ModeReg; } TFP410Rec, *TFP410Ptr; #define TFPPTR(d) ((TFP410Ptr)(d->DriverPrivate.ptr)) static Bool tfp410ReadByte(TFP410Ptr tfp, int addr, uint8_t *ch) { if (!xf86I2CReadByte(&(tfp->d), addr, ch)) { if (!tfp->quiet) { xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_ERROR, "Unable to read from %s Slave %d.\n", tfp->d.pI2CBus->BusName, tfp->d.SlaveAddr); } return FALSE; } return TRUE; } static Bool tfp410WriteByte(TFP410Ptr tfp, int addr, uint8_t ch) { if (!xf86I2CWriteByte(&(tfp->d), addr, ch)) { if (!tfp->quiet) { xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_ERROR, "Unable to write to %s Slave %d.\n", tfp->d.pI2CBus->BusName, tfp->d.SlaveAddr); } return FALSE; } return TRUE; } static int tfp410GetID(TFP410Ptr tfp, int addr) { unsigned char ch1, ch2; if (tfp410ReadByte(tfp, addr+0, &ch1) && tfp410ReadByte(tfp, addr+1, &ch2)) { return ((ch2<<8) & 0xFF00) | (ch1 & 0x00FF); } return -1; } /* Ti TFP410 driver for chip on i2c bus */ static void * tfp410_init(I2CBusPtr b, I2CSlaveAddr addr) { /* this will detect the tfp410 chip on the specified i2c bus */ TFP410Ptr tfp; int id; tfp = xcalloc(1, sizeof(TFP410Rec)); if (tfp == NULL) return NULL; tfp->d.DevName = "TFP410 TMDS Controller"; tfp->d.SlaveAddr = addr; tfp->d.pI2CBus = b; tfp->d.StartTimeout = b->StartTimeout; tfp->d.BitTimeout = b->BitTimeout; tfp->d.AcknTimeout = b->AcknTimeout; tfp->d.ByteTimeout = b->ByteTimeout; tfp->d.DriverPrivate.ptr = tfp; tfp->quiet = TRUE; if ((id = tfp410GetID(tfp, TFP410_VID_LO)) != TFP410_VID) { if (id != 0xffffffff) { xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_ERROR, "tfp410 not detected got VID %X: from %s Slave %d.\n", id, tfp->d.pI2CBus->BusName, tfp->d.SlaveAddr); } goto out; } if ((id = tfp410GetID(tfp, TFP410_DID_LO)) != TFP410_DID) { xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_ERROR, "tfp410 not detected got DID %X: from %s Slave %d.\n", id, tfp->d.pI2CBus->BusName, tfp->d.SlaveAddr); goto out; } tfp->quiet = FALSE; if (!xf86I2CDevInit(&(tfp->d))) { goto out; } return tfp; out: xfree(tfp); return NULL; } static xf86OutputStatus tfp410_detect(I2CDevPtr d) { TFP410Ptr tfp = TFPPTR(d); xf86OutputStatus ret = XF86OutputStatusDisconnected; unsigned char ctl2; if (tfp410ReadByte(tfp, TFP410_CTL_2, &ctl2)) { if (ctl2 & TFP410_CTL_2_HTPLG) ret = XF86OutputStatusConnected; else ret = XF86OutputStatusDisconnected; } return ret; } static ModeStatus tfp410_mode_valid(I2CDevPtr d, DisplayModePtr mode) { return MODE_OK; } static void tfp410_mode_set(I2CDevPtr d, DisplayModePtr mode, DisplayModePtr adjusted_mode) { /* As long as the basics are set up, since we don't have clock dependencies * in the mode setup, we can just leave the registers alone and everything * will work fine. */ /* don't do much */ return; } /* set the tfp410 power state */ static void tfp410_dpms(I2CDevPtr d, int mode) { TFP410Ptr tfp = TFPPTR(d); unsigned char ctl1; if (!tfp410ReadByte(tfp, TFP410_CTL_1, &ctl1)) return; if (mode == DPMSModeOn) ctl1 |= TFP410_CTL_1_PD; else ctl1 &= ~TFP410_CTL_1_PD; tfp410WriteByte(tfp, TFP410_CTL_1, ctl1); } static void tfp410_dump_regs(I2CDevPtr d) { TFP410Ptr tfp = TFPPTR(d); uint8_t val, val2; tfp410ReadByte(tfp, TFP410_REV, &val); xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_INFO, "TFP410_REV: 0x%02X\n", val); tfp410ReadByte(tfp, TFP410_CTL_1, &val); xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_INFO, "TFP410_CTL1: 0x%02X\n", val); tfp410ReadByte(tfp, TFP410_CTL_2, &val); xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_INFO, "TFP410_CTL2: 0x%02X\n", val); tfp410ReadByte(tfp, TFP410_CTL_3, &val); xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_INFO, "TFP410_CTL3: 0x%02X\n", val); tfp410ReadByte(tfp, TFP410_USERCFG, &val); xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_INFO, "TFP410_USERCFG: 0x%02X\n", val); tfp410ReadByte(tfp, TFP410_DE_DLY, &val); xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_INFO, "TFP410_DE_DLY: 0x%02X\n", val); tfp410ReadByte(tfp, TFP410_DE_CTL, &val); xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_INFO, "TFP410_DE_CTL: 0x%02X\n", val); tfp410ReadByte(tfp, TFP410_DE_TOP, &val); xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_INFO, "TFP410_DE_TOP: 0x%02X\n", val); tfp410ReadByte(tfp, TFP410_DE_CNT_LO, &val); tfp410ReadByte(tfp, TFP410_DE_CNT_HI, &val2); xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_INFO, "TFP410_DE_CNT: 0x%02X%02X\n", val2, val); tfp410ReadByte(tfp, TFP410_DE_LIN_LO, &val); tfp410ReadByte(tfp, TFP410_DE_LIN_HI, &val2); xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_INFO, "TFP410_DE_LIN: 0x%02X%02X\n", val2, val); tfp410ReadByte(tfp, TFP410_H_RES_LO, &val); tfp410ReadByte(tfp, TFP410_H_RES_HI, &val2); xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_INFO, "TFP410_H_RES: 0x%02X%02X\n", val2, val); tfp410ReadByte(tfp, TFP410_V_RES_LO, &val); tfp410ReadByte(tfp, TFP410_V_RES_HI, &val2); xf86DrvMsg(tfp->d.pI2CBus->scrnIndex, X_INFO, "TFP410_V_RES: 0x%02X%02X\n", val2, val); } static void tfp410_save(I2CDevPtr d) { TFP410Ptr tfp = TFPPTR(d); if (!tfp410ReadByte(tfp, TFP410_CTL_1, &tfp->SavedReg.ctl1)) return; if (!tfp410ReadByte(tfp, TFP410_CTL_2, &tfp->SavedReg.ctl2)) return; } static void tfp410_restore(I2CDevPtr d) { TFP410Ptr tfp = TFPPTR(d); /* Restore it powered down initially */ tfp410WriteByte(tfp, TFP410_CTL_1, tfp->SavedReg.ctl1 & ~0x1); tfp410WriteByte(tfp, TFP410_CTL_2, tfp->SavedReg.ctl2); tfp410WriteByte(tfp, TFP410_CTL_1, tfp->SavedReg.ctl1); } _X_EXPORT I830I2CVidOutputRec TFP410VidOutput = { .init = tfp410_init, .detect = tfp410_detect, .mode_valid = tfp410_mode_valid, .mode_set = tfp410_mode_set, .dpms = tfp410_dpms, .dump_regs = tfp410_dump_regs, .save = tfp410_save, .restore = tfp410_restore, };