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budget.c

/*
 * budget.c: driver for the SAA7146 based Budget DVB cards
 *
 * Compiled from various sources by Michael Hunold <michael@mihu.de>
 *
 * Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de>
 *
 * Copyright (C) 1999-2002 Ralph  Metzler
 *                       & Marcus Metzler for convergence integrated media GmbH
 *
 * 26feb2004 Support for FS Activy Card (Grundig tuner) by
 *           Michael Dreher <michael@5dot1.de>,
 *           Oliver Endriss <o.endriss@gmx.de> and
 *           Andreas 'randy' Weinberger
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
 *
 *
 * the project's page is at http://www.linuxtv.org/dvb/
 */

#include "budget.h"
#include "stv0299.h"
#include "ves1x93.h"
#include "ves1820.h"
#include "l64781.h"
#include "tda8083.h"
#include "s5h1420.h"
#include "tda10086.h"
#include "tda826x.h"
#include "lnbp21.h"
#include "bsru6.h"

static int diseqc_method;
module_param(diseqc_method, int, 0444);
MODULE_PARM_DESC(diseqc_method, "Select DiSEqC method for subsystem id 13c2:1003, 0: default, 1: more reliable (for newer revisions only)");

static void Set22K (struct budget *budget, int state)
{
      struct saa7146_dev *dev=budget->dev;
      dprintk(2, "budget: %p\n", budget);
      saa7146_setgpio(dev, 3, (state ? SAA7146_GPIO_OUTHI : SAA7146_GPIO_OUTLO));
}

/* Diseqc functions only for TT Budget card */
/* taken from the Skyvision DVB driver by
   Ralph Metzler <rjkm@metzlerbros.de> */

static void DiseqcSendBit (struct budget *budget, int data)
{
      struct saa7146_dev *dev=budget->dev;
      dprintk(2, "budget: %p\n", budget);

      saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTHI);
      udelay(data ? 500 : 1000);
      saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO);
      udelay(data ? 1000 : 500);
}

static void DiseqcSendByte (struct budget *budget, int data)
{
      int i, par=1, d;

      dprintk(2, "budget: %p\n", budget);

      for (i=7; i>=0; i--) {
            d = (data>>i)&1;
            par ^= d;
            DiseqcSendBit(budget, d);
      }

      DiseqcSendBit(budget, par);
}

static int SendDiSEqCMsg (struct budget *budget, int len, u8 *msg, unsigned long burst)
{
      struct saa7146_dev *dev=budget->dev;
      int i;

      dprintk(2, "budget: %p\n", budget);

      saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO);
      mdelay(16);

      for (i=0; i<len; i++)
            DiseqcSendByte(budget, msg[i]);

      mdelay(16);

      if (burst!=-1) {
            if (burst)
                  DiseqcSendByte(budget, 0xff);
            else {
                  saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTHI);
                  udelay(12500);
                  saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO);
            }
            msleep(20);
      }

      return 0;
}

/*
 *   Routines for the Fujitsu Siemens Activy budget card
 *   22 kHz tone and DiSEqC are handled by the frontend.
 *   Voltage must be set here.
 *   GPIO 1: LNBP EN, GPIO 2: LNBP VSEL
 */
static int SetVoltage_Activy (struct budget *budget, fe_sec_voltage_t voltage)
{
      struct saa7146_dev *dev=budget->dev;

      dprintk(2, "budget: %p\n", budget);

      switch (voltage) {
            case SEC_VOLTAGE_13:
                  saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTHI);
                  saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTLO);
                  break;
            case SEC_VOLTAGE_18:
                  saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTHI);
                  saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
                  break;
            case SEC_VOLTAGE_OFF:
                  saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTLO);
                  break;
            default:
                  return -EINVAL;
      }

      return 0;
}

static int siemens_budget_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
{
      struct budget* budget = (struct budget*) fe->dvb->priv;

      return SetVoltage_Activy (budget, voltage);
}

static int budget_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
{
      struct budget* budget = (struct budget*) fe->dvb->priv;

      switch (tone) {
      case SEC_TONE_ON:
            Set22K (budget, 1);
            break;

      case SEC_TONE_OFF:
            Set22K (budget, 0);
            break;

      default:
            return -EINVAL;
      }

      return 0;
}

static int budget_diseqc_send_master_cmd(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd)
{
      struct budget* budget = (struct budget*) fe->dvb->priv;

      SendDiSEqCMsg (budget, cmd->msg_len, cmd->msg, 0);

      return 0;
}

static int budget_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd)
{
      struct budget* budget = (struct budget*) fe->dvb->priv;

      SendDiSEqCMsg (budget, 0, NULL, minicmd);

      return 0;
}

static int alps_bsrv2_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
{
      struct budget* budget = (struct budget*) fe->dvb->priv;
      u8 pwr = 0;
      u8 buf[4];
      struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
      u32 div = (params->frequency + 479500) / 125;

      if (params->frequency > 2000000) pwr = 3;
      else if (params->frequency > 1800000) pwr = 2;
      else if (params->frequency > 1600000) pwr = 1;
      else if (params->frequency > 1200000) pwr = 0;
      else if (params->frequency >= 1100000) pwr = 1;
      else pwr = 2;

      buf[0] = (div >> 8) & 0x7f;
      buf[1] = div & 0xff;
      buf[2] = ((div & 0x18000) >> 10) | 0x95;
      buf[3] = (pwr << 6) | 0x30;

      // NOTE: since we're using a prescaler of 2, we set the
      // divisor frequency to 62.5kHz and divide by 125 above

      if (fe->ops.i2c_gate_ctrl)
            fe->ops.i2c_gate_ctrl(fe, 1);
      if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
      return 0;
}

static struct ves1x93_config alps_bsrv2_config =
{
      .demod_address = 0x08,
      .xin = 90100000UL,
      .invert_pwm = 0,
};

static int alps_tdbe2_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
{
      struct budget* budget = (struct budget*) fe->dvb->priv;
      u32 div;
      u8 data[4];
      struct i2c_msg msg = { .addr = 0x62, .flags = 0, .buf = data, .len = sizeof(data) };

      div = (params->frequency + 35937500 + 31250) / 62500;

      data[0] = (div >> 8) & 0x7f;
      data[1] = div & 0xff;
      data[2] = 0x85 | ((div >> 10) & 0x60);
      data[3] = (params->frequency < 174000000 ? 0x88 : params->frequency < 470000000 ? 0x84 : 0x81);

      if (fe->ops.i2c_gate_ctrl)
            fe->ops.i2c_gate_ctrl(fe, 1);
      if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
      return 0;
}

static struct ves1820_config alps_tdbe2_config = {
      .demod_address = 0x09,
      .xin = 57840000UL,
      .invert = 1,
      .selagc = VES1820_SELAGC_SIGNAMPERR,
};

static int grundig_29504_401_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
{
      struct budget* budget = (struct budget*) fe->dvb->priv;
      u32 div;
      u8 cfg, cpump, band_select;
      u8 data[4];
      struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };

      div = (36125000 + params->frequency) / 166666;

      cfg = 0x88;

      if (params->frequency < 175000000) cpump = 2;
      else if (params->frequency < 390000000) cpump = 1;
      else if (params->frequency < 470000000) cpump = 2;
      else if (params->frequency < 750000000) cpump = 1;
      else cpump = 3;

      if (params->frequency < 175000000) band_select = 0x0e;
      else if (params->frequency < 470000000) band_select = 0x05;
      else band_select = 0x03;

      data[0] = (div >> 8) & 0x7f;
      data[1] = div & 0xff;
      data[2] = ((div >> 10) & 0x60) | cfg;
      data[3] = (cpump << 6) | band_select;

      if (fe->ops.i2c_gate_ctrl)
            fe->ops.i2c_gate_ctrl(fe, 1);
      if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
      return 0;
}

static struct l64781_config grundig_29504_401_config = {
      .demod_address = 0x55,
};

static int grundig_29504_451_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
{
      struct budget* budget = (struct budget*) fe->dvb->priv;
      u32 div;
      u8 data[4];
      struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };

      div = params->frequency / 125;
      data[0] = (div >> 8) & 0x7f;
      data[1] = div & 0xff;
      data[2] = 0x8e;
      data[3] = 0x00;

      if (fe->ops.i2c_gate_ctrl)
            fe->ops.i2c_gate_ctrl(fe, 1);
      if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
      return 0;
}

static struct tda8083_config grundig_29504_451_config = {
      .demod_address = 0x68,
};

static int s5h1420_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
{
      struct budget* budget = (struct budget*) fe->dvb->priv;
      u32 div;
      u8 data[4];
      struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };

      div = params->frequency / 1000;
      data[0] = (div >> 8) & 0x7f;
      data[1] = div & 0xff;
      data[2] = 0xc2;

      if (div < 1450)
            data[3] = 0x00;
      else if (div < 1850)
            data[3] = 0x40;
      else if (div < 2000)
            data[3] = 0x80;
      else
            data[3] = 0xc0;

      if (fe->ops.i2c_gate_ctrl)
            fe->ops.i2c_gate_ctrl(fe, 1);
      if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;

      return 0;
}

static struct s5h1420_config s5h1420_config = {
      .demod_address = 0x53,
      .invert = 1,
};

static struct tda10086_config tda10086_config = {
      .demod_address = 0x0e,
      .invert = 0,
};

static u8 read_pwm(struct budget* budget)
{
      u8 b = 0xff;
      u8 pwm;
      struct i2c_msg msg[] = { { .addr = 0x50,.flags = 0,.buf = &b,.len = 1 },
                         { .addr = 0x50,.flags = I2C_M_RD,.buf = &pwm,.len = 1} };

      if ((i2c_transfer(&budget->i2c_adap, msg, 2) != 2) || (pwm == 0xff))
            pwm = 0x48;

      return pwm;
}

static void frontend_init(struct budget *budget)
{
      switch(budget->dev->pci->subsystem_device) {
      case 0x1003: // Hauppauge/TT Nova budget (stv0299/ALPS BSRU6(tsa5059) OR ves1893/ALPS BSRV2(sp5659))
      case 0x1013:
            // try the ALPS BSRV2 first of all
            budget->dvb_frontend = dvb_attach(ves1x93_attach, &alps_bsrv2_config, &budget->i2c_adap);
            if (budget->dvb_frontend) {
                  budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsrv2_tuner_set_params;
                  budget->dvb_frontend->ops.diseqc_send_master_cmd = budget_diseqc_send_master_cmd;
                  budget->dvb_frontend->ops.diseqc_send_burst = budget_diseqc_send_burst;
                  budget->dvb_frontend->ops.set_tone = budget_set_tone;
                  break;
            }

            // try the ALPS BSRU6 now
            budget->dvb_frontend = dvb_attach(stv0299_attach, &alps_bsru6_config, &budget->i2c_adap);
            if (budget->dvb_frontend) {
                  budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsru6_tuner_set_params;
                  budget->dvb_frontend->tuner_priv = &budget->i2c_adap;
                  if (budget->dev->pci->subsystem_device == 0x1003 && diseqc_method == 0) {
                        budget->dvb_frontend->ops.diseqc_send_master_cmd = budget_diseqc_send_master_cmd;
                        budget->dvb_frontend->ops.diseqc_send_burst = budget_diseqc_send_burst;
                        budget->dvb_frontend->ops.set_tone = budget_set_tone;
                  }
                  break;
            }
            break;

      case 0x1004: // Hauppauge/TT DVB-C budget (ves1820/ALPS TDBE2(sp5659))

            budget->dvb_frontend = dvb_attach(ves1820_attach, &alps_tdbe2_config, &budget->i2c_adap, read_pwm(budget));
            if (budget->dvb_frontend) {
                  budget->dvb_frontend->ops.tuner_ops.set_params = alps_tdbe2_tuner_set_params;
                  break;
            }
            break;

      case 0x1005: // Hauppauge/TT Nova-T budget (L64781/Grundig 29504-401(tsa5060))

            budget->dvb_frontend = dvb_attach(l64781_attach, &grundig_29504_401_config, &budget->i2c_adap);
            if (budget->dvb_frontend) {
                  budget->dvb_frontend->ops.tuner_ops.set_params = grundig_29504_401_tuner_set_params;
                  break;
            }
            break;

      case 0x4f60: // Fujitsu Siemens Activy Budget-S PCI rev AL (stv0299/ALPS BSRU6(tsa5059))
            budget->dvb_frontend = dvb_attach(stv0299_attach, &alps_bsru6_config, &budget->i2c_adap);
            if (budget->dvb_frontend) {
                  budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsru6_tuner_set_params;
                  budget->dvb_frontend->tuner_priv = &budget->i2c_adap;
                  budget->dvb_frontend->ops.set_voltage = siemens_budget_set_voltage;
                  budget->dvb_frontend->ops.dishnetwork_send_legacy_command = NULL;
            }
            break;

      case 0x4f61: // Fujitsu Siemens Activy Budget-S PCI rev GR (tda8083/Grundig 29504-451(tsa5522))
            budget->dvb_frontend = dvb_attach(tda8083_attach, &grundig_29504_451_config, &budget->i2c_adap);
            if (budget->dvb_frontend) {
                  budget->dvb_frontend->ops.tuner_ops.set_params = grundig_29504_451_tuner_set_params;
                  budget->dvb_frontend->ops.set_voltage = siemens_budget_set_voltage;
                  budget->dvb_frontend->ops.dishnetwork_send_legacy_command = NULL;
            }
            break;

      case 0x1016: // Hauppauge/TT Nova-S SE (samsung s5h1420/????(tda8260))
            budget->dvb_frontend = dvb_attach(s5h1420_attach, &s5h1420_config, &budget->i2c_adap);
            if (budget->dvb_frontend) {
                  budget->dvb_frontend->ops.tuner_ops.set_params = s5h1420_tuner_set_params;
                  if (dvb_attach(lnbp21_attach, budget->dvb_frontend, &budget->i2c_adap, 0, 0) == NULL) {
                        printk("%s: No LNBP21 found!\n", __FUNCTION__);
                        goto error_out;
                  }
                  break;
            }

      case 0x1018: // TT Budget-S-1401 (philips tda10086/philips tda8262)
            // gpio2 is connected to CLB - reset it + leave it high
            saa7146_setgpio(budget->dev, 2, SAA7146_GPIO_OUTLO);
            msleep(1);
            saa7146_setgpio(budget->dev, 2, SAA7146_GPIO_OUTHI);
            msleep(1);

            budget->dvb_frontend = dvb_attach(tda10086_attach, &tda10086_config, &budget->i2c_adap);
            if (budget->dvb_frontend) {
                  if (dvb_attach(tda826x_attach, budget->dvb_frontend, 0x60, &budget->i2c_adap, 0) == NULL)
                        printk("%s: No tda826x found!\n", __FUNCTION__);
                  if (dvb_attach(lnbp21_attach, budget->dvb_frontend, &budget->i2c_adap, 0, 0) == NULL) {
                        printk("%s: No LNBP21 found!\n", __FUNCTION__);
                        goto error_out;
                  }
                  break;
            }
      }

      if (budget->dvb_frontend == NULL) {
            printk("budget: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
                   budget->dev->pci->vendor,
                   budget->dev->pci->device,
                   budget->dev->pci->subsystem_vendor,
                   budget->dev->pci->subsystem_device);
      } else {
            if (dvb_register_frontend(&budget->dvb_adapter, budget->dvb_frontend))
                  goto error_out;
      }
      return;

error_out:
      printk("budget: Frontend registration failed!\n");
      dvb_frontend_detach(budget->dvb_frontend);
      budget->dvb_frontend = NULL;
      return;
}

static int budget_attach (struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
{
      struct budget *budget = NULL;
      int err;

      budget = kmalloc(sizeof(struct budget), GFP_KERNEL);
      if( NULL == budget ) {
            return -ENOMEM;
      }

      dprintk(2, "dev:%p, info:%p, budget:%p\n", dev, info, budget);

      dev->ext_priv = budget;

      if ((err = ttpci_budget_init (budget, dev, info, THIS_MODULE))) {
            printk("==> failed\n");
            kfree (budget);
            return err;
      }

      budget->dvb_adapter.priv = budget;
      frontend_init(budget);

      ttpci_budget_init_hooks(budget);

      return 0;
}

static int budget_detach (struct saa7146_dev* dev)
{
      struct budget *budget = (struct budget*) dev->ext_priv;
      int err;

      if (budget->dvb_frontend) {
            dvb_unregister_frontend(budget->dvb_frontend);
            dvb_frontend_detach(budget->dvb_frontend);
      }

      err = ttpci_budget_deinit (budget);

      kfree (budget);
      dev->ext_priv = NULL;

      return err;
}

static struct saa7146_extension budget_extension;

MAKE_BUDGET_INFO(ttbs,  "TT-Budget/WinTV-NOVA-S  PCI",      BUDGET_TT);
MAKE_BUDGET_INFO(ttbc,  "TT-Budget/WinTV-NOVA-C  PCI",      BUDGET_TT);
MAKE_BUDGET_INFO(ttbt,  "TT-Budget/WinTV-NOVA-T  PCI",      BUDGET_TT);
MAKE_BUDGET_INFO(satel, "SATELCO Multimedia PCI",     BUDGET_TT_HW_DISEQC);
MAKE_BUDGET_INFO(ttbs1401, "TT-Budget-S-1401 PCI", BUDGET_TT);
MAKE_BUDGET_INFO(fsacs0, "Fujitsu Siemens Activy Budget-S PCI (rev GR/grundig frontend)", BUDGET_FS_ACTIVY);
MAKE_BUDGET_INFO(fsacs1, "Fujitsu Siemens Activy Budget-S PCI (rev AL/alps frontend)", BUDGET_FS_ACTIVY);

static struct pci_device_id pci_tbl[] = {
      MAKE_EXTENSION_PCI(ttbs,  0x13c2, 0x1003),
      MAKE_EXTENSION_PCI(ttbc,  0x13c2, 0x1004),
      MAKE_EXTENSION_PCI(ttbt,  0x13c2, 0x1005),
      MAKE_EXTENSION_PCI(satel, 0x13c2, 0x1013),
      MAKE_EXTENSION_PCI(ttbs,  0x13c2, 0x1016),
      MAKE_EXTENSION_PCI(ttbs1401, 0x13c2, 0x1018),
      MAKE_EXTENSION_PCI(fsacs1,0x1131, 0x4f60),
      MAKE_EXTENSION_PCI(fsacs0,0x1131, 0x4f61),
      {
            .vendor    = 0,
      }
};

MODULE_DEVICE_TABLE(pci, pci_tbl);

static struct saa7146_extension budget_extension = {
      .name       = "budget dvb",
      .flags            = SAA7146_USE_I2C_IRQ,

      .module           = THIS_MODULE,
      .pci_tbl    = pci_tbl,
      .attach           = budget_attach,
      .detach           = budget_detach,

      .irq_mask   = MASK_10,
      .irq_func   = ttpci_budget_irq10_handler,
};

static int __init budget_init(void)
{
      return saa7146_register_extension(&budget_extension);
}

static void __exit budget_exit(void)
{
      saa7146_unregister_extension(&budget_extension);
}

module_init(budget_init);
module_exit(budget_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, Michael Hunold, others");
MODULE_DESCRIPTION("driver for the SAA7146 based so-called "
               "budget PCI DVB cards by Siemens, Technotrend, Hauppauge");

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