budget.c

linux内核源码

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,
	.diseqc_tone = 1,
};

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");