budget-ci.c

LINUX 2.6.17.4的源码

static int philips_tdm1316l_request_firmware(struct dvb_frontend *fe,
					     const struct firmware **fw, char *name)
{
	struct budget_ci *budget_ci = (struct budget_ci *) fe->dvb->priv;

	return request_firmware(fw, name, &budget_ci->budget.dev->pci->dev);
}

static struct tda1004x_config philips_tdm1316l_config = {

	.demod_address = 0x8,
	.invert = 0,
	.invert_oclk = 0,
	.xtal_freq = TDA10046_XTAL_4M,
	.agc_config = TDA10046_AGC_DEFAULT,
	.if_freq = TDA10046_FREQ_3617,
	.pll_init = philips_tdm1316l_pll_init,
	.pll_set = philips_tdm1316l_pll_set,
	.pll_sleep = NULL,
	.request_firmware = philips_tdm1316l_request_firmware,
};

static int dvbc_philips_tdm1316l_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
{
	struct budget_ci *budget_ci = (struct budget_ci *) fe->dvb->priv;
	u8 tuner_buf[5];
	struct i2c_msg tuner_msg = {.addr = budget_ci->tuner_pll_address,
				    .flags = 0,
				    .buf = tuner_buf,
				    .len = sizeof(tuner_buf) };
	int tuner_frequency = 0;
	u8 band, cp, filter;

	// determine charge pump
	tuner_frequency = params->frequency + 36125000;
	if (tuner_frequency < 87000000)
		return -EINVAL;
	else if (tuner_frequency < 130000000) {
		cp = 3;
		band = 1;
	} else if (tuner_frequency < 160000000) {
		cp = 5;
		band = 1;
	} else if (tuner_frequency < 200000000) {
		cp = 6;
		band = 1;
	} else if (tuner_frequency < 290000000) {
		cp = 3;
		band = 2;
	} else if (tuner_frequency < 420000000) {
		cp = 5;
		band = 2;
	} else if (tuner_frequency < 480000000) {
		cp = 6;
		band = 2;
	} else if (tuner_frequency < 620000000) {
		cp = 3;
		band = 4;
	} else if (tuner_frequency < 830000000) {
		cp = 5;
		band = 4;
	} else if (tuner_frequency < 895000000) {
		cp = 7;
		band = 4;
	} else
		return -EINVAL;

	// assume PLL filter should always be 8MHz for the moment.
	filter = 1;

	// calculate divisor
	tuner_frequency = (params->frequency + 36125000 + (62500/2)) / 62500;

	// setup tuner buffer
	tuner_buf[0] = tuner_frequency >> 8;
	tuner_buf[1] = tuner_frequency & 0xff;
	tuner_buf[2] = 0xc8;
	tuner_buf[3] = (cp << 5) | (filter << 3) | band;
	tuner_buf[4] = 0x80;

	stv0297_enable_plli2c(fe);
	if (i2c_transfer(&budget_ci->budget.i2c_adap, &tuner_msg, 1) != 1)
		return -EIO;

	msleep(50);

	stv0297_enable_plli2c(fe);
	if (i2c_transfer(&budget_ci->budget.i2c_adap, &tuner_msg, 1) != 1)
		return -EIO;

	msleep(1);

	return 0;
}

static u8 dvbc_philips_tdm1316l_inittab[] = {
	0x80, 0x01,
	0x80, 0x00,
	0x81, 0x01,
	0x81, 0x00,
	0x00, 0x09,
	0x01, 0x69,
	0x03, 0x00,
	0x04, 0x00,
	0x07, 0x00,
	0x08, 0x00,
	0x20, 0x00,
	0x21, 0x40,
	0x22, 0x00,
	0x23, 0x00,
	0x24, 0x40,
	0x25, 0x88,
	0x30, 0xff,
	0x31, 0x00,
	0x32, 0xff,
	0x33, 0x00,
	0x34, 0x50,
	0x35, 0x7f,
	0x36, 0x00,
	0x37, 0x20,
	0x38, 0x00,
	0x40, 0x1c,
	0x41, 0xff,
	0x42, 0x29,
	0x43, 0x20,
	0x44, 0xff,
	0x45, 0x00,
	0x46, 0x00,
	0x49, 0x04,
	0x4a, 0x00,
	0x4b, 0x7b,
	0x52, 0x30,
	0x55, 0xae,
	0x56, 0x47,
	0x57, 0xe1,
	0x58, 0x3a,
	0x5a, 0x1e,
	0x5b, 0x34,
	0x60, 0x00,
	0x63, 0x00,
	0x64, 0x00,
	0x65, 0x00,
	0x66, 0x00,
	0x67, 0x00,
	0x68, 0x00,
	0x69, 0x00,
	0x6a, 0x02,
	0x6b, 0x00,
	0x70, 0xff,
	0x71, 0x00,
	0x72, 0x00,
	0x73, 0x00,
	0x74, 0x0c,
	0x80, 0x00,
	0x81, 0x00,
	0x82, 0x00,
	0x83, 0x00,
	0x84, 0x04,
	0x85, 0x80,
	0x86, 0x24,
	0x87, 0x78,
	0x88, 0x10,
	0x89, 0x00,
	0x90, 0x01,
	0x91, 0x01,
	0xa0, 0x04,
	0xa1, 0x00,
	0xa2, 0x00,
	0xb0, 0x91,
	0xb1, 0x0b,
	0xc0, 0x53,
	0xc1, 0x70,
	0xc2, 0x12,
	0xd0, 0x00,
	0xd1, 0x00,
	0xd2, 0x00,
	0xd3, 0x00,
	0xd4, 0x00,
	0xd5, 0x00,
	0xde, 0x00,
	0xdf, 0x00,
	0x61, 0x38,
	0x62, 0x0a,
	0x53, 0x13,
	0x59, 0x08,
	0xff, 0xff,
};

static struct stv0297_config dvbc_philips_tdm1316l_config = {
	.demod_address = 0x1c,
	.inittab = dvbc_philips_tdm1316l_inittab,
	.invert = 0,
	.pll_set = dvbc_philips_tdm1316l_pll_set,
};




static void frontend_init(struct budget_ci *budget_ci)
{
	switch (budget_ci->budget.dev->pci->subsystem_device) {
	case 0x100c:		// Hauppauge/TT Nova-CI budget (stv0299/ALPS BSRU6(tsa5059))
		budget_ci->budget.dvb_frontend =
			stv0299_attach(&alps_bsru6_config, &budget_ci->budget.i2c_adap);
		if (budget_ci->budget.dvb_frontend) {
			break;
		}
		break;

	case 0x100f:		// Hauppauge/TT Nova-CI budget (stv0299b/Philips su1278(tsa5059))
		budget_ci->budget.dvb_frontend =
			stv0299_attach(&philips_su1278_tt_config, &budget_ci->budget.i2c_adap);
		if (budget_ci->budget.dvb_frontend) {
			break;
		}
		break;

	case 0x1010:		// TT DVB-C CI budget (stv0297/Philips tdm1316l(tda6651tt))
		budget_ci->tuner_pll_address = 0x61;
		budget_ci->budget.dvb_frontend =
			stv0297_attach(&dvbc_philips_tdm1316l_config, &budget_ci->budget.i2c_adap);
		if (budget_ci->budget.dvb_frontend) {
			break;
		}
		break;

	case 0x1011:		// Hauppauge/TT Nova-T budget (tda10045/Philips tdm1316l(tda6651tt) + TDA9889)
		budget_ci->tuner_pll_address = 0x63;
		budget_ci->budget.dvb_frontend =
			tda10045_attach(&philips_tdm1316l_config, &budget_ci->budget.i2c_adap);
		if (budget_ci->budget.dvb_frontend) {
			break;
		}
		break;

	case 0x1012:		// TT DVB-T CI budget (tda10046/Philips tdm1316l(tda6651tt))
		budget_ci->tuner_pll_address = 0x60;
		budget_ci->budget.dvb_frontend =
			tda10046_attach(&philips_tdm1316l_config, &budget_ci->budget.i2c_adap);
		if (budget_ci->budget.dvb_frontend) {
			break;
		}
		break;

	case 0x1017:		// TT S-1500 PCI
		budget_ci->budget.dvb_frontend = stv0299_attach(&alps_bsbe1_config, &budget_ci->budget.i2c_adap);
		if (budget_ci->budget.dvb_frontend) {
			budget_ci->budget.dvb_frontend->ops->dishnetwork_send_legacy_command = NULL;
			if (lnbp21_init(budget_ci->budget.dvb_frontend, &budget_ci->budget.i2c_adap, LNBP21_LLC, 0)) {
				printk("%s: No LNBP21 found!\n", __FUNCTION__);
				if (budget_ci->budget.dvb_frontend->ops->release)
					budget_ci->budget.dvb_frontend->ops->release(budget_ci->budget.dvb_frontend);
				budget_ci->budget.dvb_frontend = NULL;
			}
		}

		break;
	}

	if (budget_ci->budget.dvb_frontend == NULL) {
		printk("budget-ci: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
		       budget_ci->budget.dev->pci->vendor,
		       budget_ci->budget.dev->pci->device,
		       budget_ci->budget.dev->pci->subsystem_vendor,
		       budget_ci->budget.dev->pci->subsystem_device);
	} else {
		if (dvb_register_frontend
		    (&budget_ci->budget.dvb_adapter, budget_ci->budget.dvb_frontend)) {
			printk("budget-ci: Frontend registration failed!\n");
			if (budget_ci->budget.dvb_frontend->ops->release)
				budget_ci->budget.dvb_frontend->ops->release(budget_ci->budget.dvb_frontend);
			budget_ci->budget.dvb_frontend = NULL;
		}
	}
}

static int budget_ci_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
{
	struct budget_ci *budget_ci;
	int err;

	if (!(budget_ci = kmalloc(sizeof(struct budget_ci), GFP_KERNEL)))
		return -ENOMEM;

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

	budget_ci->budget.ci_present = 0;

	dev->ext_priv = budget_ci;

	if ((err = ttpci_budget_init(&budget_ci->budget, dev, info, THIS_MODULE))) {
		kfree(budget_ci);
		return err;
	}

	tasklet_init(&budget_ci->msp430_irq_tasklet, msp430_ir_interrupt,
		     (unsigned long) budget_ci);

	msp430_ir_init(budget_ci);

	ciintf_init(budget_ci);

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

	return 0;
}

static int budget_ci_detach(struct saa7146_dev *dev)
{
	struct budget_ci *budget_ci = (struct budget_ci *) dev->ext_priv;
	struct saa7146_dev *saa = budget_ci->budget.dev;
	int err;

	if (budget_ci->budget.ci_present)
		ciintf_deinit(budget_ci);
	if (budget_ci->budget.dvb_frontend)
		dvb_unregister_frontend(budget_ci->budget.dvb_frontend);
	err = ttpci_budget_deinit(&budget_ci->budget);

	tasklet_kill(&budget_ci->msp430_irq_tasklet);

	msp430_ir_deinit(budget_ci);

	// disable frontend and CI interface
	saa7146_setgpio(saa, 2, SAA7146_GPIO_INPUT);

	kfree(budget_ci);

	return err;
}

static struct saa7146_extension budget_extension;

MAKE_BUDGET_INFO(ttbs2, "TT-Budget/S-1500 PCI", BUDGET_TT);
MAKE_BUDGET_INFO(ttbci, "TT-Budget/WinTV-NOVA-CI PCI", BUDGET_TT_HW_DISEQC);
MAKE_BUDGET_INFO(ttbt2, "TT-Budget/WinTV-NOVA-T	 PCI", BUDGET_TT);
MAKE_BUDGET_INFO(ttbtci, "TT-Budget-T-CI PCI", BUDGET_TT);
MAKE_BUDGET_INFO(ttbcci, "TT-Budget-C-CI PCI", BUDGET_TT);

static struct pci_device_id pci_tbl[] = {
	MAKE_EXTENSION_PCI(ttbci, 0x13c2, 0x100c),
	MAKE_EXTENSION_PCI(ttbci, 0x13c2, 0x100f),
	MAKE_EXTENSION_PCI(ttbcci, 0x13c2, 0x1010),
	MAKE_EXTENSION_PCI(ttbt2, 0x13c2, 0x1011),
	MAKE_EXTENSION_PCI(ttbtci, 0x13c2, 0x1012),
	MAKE_EXTENSION_PCI(ttbs2, 0x13c2, 0x1017),
	{
	 .vendor = 0,
	 }
};

MODULE_DEVICE_TABLE(pci, pci_tbl);

static struct saa7146_extension budget_extension = {
	.name = "budget_ci dvb\0",
	.flags = SAA7146_I2C_SHORT_DELAY,

	.module = THIS_MODULE,
	.pci_tbl = &pci_tbl[0],
	.attach = budget_ci_attach,
	.detach = budget_ci_detach,

	.irq_mask = MASK_03 | MASK_06 | MASK_10,
	.irq_func = budget_ci_irq,
};

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

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

module_init(budget_ci_init);
module_exit(budget_ci_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Michael Hunold, Jack Thomasson, Andrew de Quincey, others");
MODULE_DESCRIPTION("driver for the SAA7146 based so-called "
		   "budget PCI DVB cards w/ CI-module produced by "
		   "Siemens, Technotrend, Hauppauge");