.set   = opera1_bw,	.count = 8,	.entries = {		{ 1064000, 500, 0xe5, 0xc6 },		{ 1169000, 500, 0xe5, 0xe6 },		{ 1299000, 500, 0xe5, 0x24 },		{ 1444000, 500, 0xe5, 0x44 },		{ 1606000, 500, 0xe5, 0x64 },		{ 1777000, 500, 0xe5, 0x84 },		{ 1941000, 500, 0xe5, 0xa4 },		{ 2250000, 500, 0xe5, 0xc4 },	}};static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf,		       const struct dvb_frontend_parameters *params){	struct dvb_pll_priv *priv = fe->tuner_priv;	struct i2c_msg msg = {		.addr = priv->pll_i2c_address,		.flags = 0,		.buf = buf,		.len = 4	};	int result;	if (fe->ops.i2c_gate_ctrl)		fe->ops.i2c_gate_ctrl(fe, 1);	result = i2c_transfer(priv->i2c, &msg, 1);	if (result != 1)		printk(KERN_ERR "%s: i2c_transfer failed:%d",			__func__, result);	buf[2] = 0x9e;	buf[3] = 0x90;	return;}/* unknown pll used in Samsung DTOS403IH102A DVB-C tuner */static struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = {	.name   = "Samsung DTOS403IH102A",	.min    =  44250000,	.max    = 858000000,	.iffreq =  36125000,	.count  = 8,	.set    = samsung_dtos403ih102a_set,	.entries = {		{ 135000000, 62500, 0xbe, 0x01 },		{ 177000000, 62500, 0xf6, 0x01 },		{ 370000000, 62500, 0xbe, 0x02 },		{ 450000000, 62500, 0xf6, 0x02 },		{ 466000000, 62500, 0xfe, 0x02 },		{ 538000000, 62500, 0xbe, 0x08 },		{ 826000000, 62500, 0xf6, 0x08 },		{ 999999999, 62500, 0xfe, 0x08 },	}};/* ----------------------------------------------------------- */static struct dvb_pll_desc *pll_list[] = {	[DVB_PLL_UNDEFINED]              = NULL,	[DVB_PLL_THOMSON_DTT7579]        = &dvb_pll_thomson_dtt7579,	[DVB_PLL_THOMSON_DTT759X]        = &dvb_pll_thomson_dtt759x,	[DVB_PLL_LG_Z201]                = &dvb_pll_lg_z201,	[DVB_PLL_UNKNOWN_1]              = &dvb_pll_unknown_1,	[DVB_PLL_TUA6010XS]              = &dvb_pll_tua6010xs,	[DVB_PLL_ENV57H1XD5]             = &dvb_pll_env57h1xd5,	[DVB_PLL_TUA6034]                = &dvb_pll_tua6034,	[DVB_PLL_TDA665X]                = &dvb_pll_tda665x,	[DVB_PLL_TDED4]                  = &dvb_pll_tded4,	[DVB_PLL_TDHU2]                  = &dvb_pll_tdhu2,	[DVB_PLL_SAMSUNG_TBMV]           = &dvb_pll_samsung_tbmv,	[DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261,	[DVB_PLL_OPERA1]                 = &dvb_pll_opera1,	[DVB_PLL_SAMSUNG_DTOS403IH102A]  = &dvb_pll_samsung_dtos403ih102a,};/* ----------------------------------------------------------- *//* code                                                        */static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf,			     const struct dvb_frontend_parameters *params){	struct dvb_pll_priv *priv = fe->tuner_priv;	struct dvb_pll_desc *desc = priv->pll_desc;	u32 div;	int i;	if (params->frequency != 0 && (params->frequency < desc->min ||				       params->frequency > desc->max))		return -EINVAL;	for (i = 0; i < desc->count; i++) {		if (params->frequency > desc->entries[i].limit)			continue;		break;	}	if (debug)		printk("pll: %s: freq=%d | i=%d/%d\n", desc->name,		       params->frequency, i, desc->count);	if (i == desc->count)		return -EINVAL;	div = (params->frequency + desc->iffreq +	       desc->entries[i].stepsize/2) / desc->entries[i].stepsize;	buf[0] = div >> 8;	buf[1] = div & 0xff;	buf[2] = desc->entries[i].config;	buf[3] = desc->entries[i].cb;	if (desc->set)		desc->set(fe, buf, params);	if (debug)		printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",		       desc->name, div, buf[0], buf[1], buf[2], buf[3]);	// calculate the frequency we set it to	return (div * desc->entries[i].stepsize) - desc->iffreq;}static int dvb_pll_release(struct dvb_frontend *fe){	kfree(fe->tuner_priv);	fe->tuner_priv = NULL;	return 0;}static int dvb_pll_sleep(struct dvb_frontend *fe){	struct dvb_pll_priv *priv = fe->tuner_priv;	if (priv->i2c == NULL)		return -EINVAL;	if (priv->pll_desc->sleepdata) {		struct i2c_msg msg = { .flags = 0,			.addr = priv->pll_i2c_address,			.buf = priv->pll_desc->sleepdata + 1,			.len = priv->pll_desc->sleepdata[0] };		int result;		if (fe->ops.i2c_gate_ctrl)			fe->ops.i2c_gate_ctrl(fe, 1);		if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {			return result;		}		return 0;	}	/* Shouldn't be called when initdata is NULL, maybe BUG()? */	return -EINVAL;}static int dvb_pll_set_params(struct dvb_frontend *fe,			      struct dvb_frontend_parameters *params){	struct dvb_pll_priv *priv = fe->tuner_priv;	u8 buf[4];	struct i2c_msg msg =		{ .addr = priv->pll_i2c_address, .flags = 0,		  .buf = buf, .len = sizeof(buf) };	int result;	u32 frequency = 0;	if (priv->i2c == NULL)		return -EINVAL;	if ((result = dvb_pll_configure(fe, buf, params)) < 0)		return result;	else		frequency = result;	if (fe->ops.i2c_gate_ctrl)		fe->ops.i2c_gate_ctrl(fe, 1);	if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {		return result;	}	priv->frequency = frequency;	priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;	return 0;}static int dvb_pll_calc_regs(struct dvb_frontend *fe,			     struct dvb_frontend_parameters *params,			     u8 *buf, int buf_len){	struct dvb_pll_priv *priv = fe->tuner_priv;	int result;	u32 frequency = 0;	if (buf_len < 5)		return -EINVAL;	if ((result = dvb_pll_configure(fe, buf+1, params)) < 0)		return result;	else		frequency = result;	buf[0] = priv->pll_i2c_address;	priv->frequency = frequency;	priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;	return 5;}static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency){	struct dvb_pll_priv *priv = fe->tuner_priv;	*frequency = priv->frequency;	return 0;}static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth){	struct dvb_pll_priv *priv = fe->tuner_priv;	*bandwidth = priv->bandwidth;	return 0;}static int dvb_pll_init(struct dvb_frontend *fe){	struct dvb_pll_priv *priv = fe->tuner_priv;	if (priv->i2c == NULL)		return -EINVAL;	if (priv->pll_desc->initdata) {		struct i2c_msg msg = { .flags = 0,			.addr = priv->pll_i2c_address,			.buf = priv->pll_desc->initdata + 1,			.len = priv->pll_desc->initdata[0] };		int result;		if (fe->ops.i2c_gate_ctrl)			fe->ops.i2c_gate_ctrl(fe, 1);		if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {			return result;		}		return 0;	}	/* Shouldn't be called when initdata is NULL, maybe BUG()? */	return -EINVAL;}static struct dvb_tuner_ops dvb_pll_tuner_ops = {	.release = dvb_pll_release,	.sleep = dvb_pll_sleep,	.init = dvb_pll_init,	.set_params = dvb_pll_set_params,	.calc_regs = dvb_pll_calc_regs,	.get_frequency = dvb_pll_get_frequency,	.get_bandwidth = dvb_pll_get_bandwidth,};struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,				    struct i2c_adapter *i2c,				    unsigned int pll_desc_id){	u8 b1 [] = { 0 };	struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD,			       .buf = b1, .len = 1 };	struct dvb_pll_priv *priv = NULL;	int ret;	struct dvb_pll_desc *desc;	if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) &&	    (id[dvb_pll_devcount] < ARRAY_SIZE(pll_list)))		pll_desc_id = id[dvb_pll_devcount];	BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list));	desc = pll_list[pll_desc_id];	if (i2c != NULL) {		if (fe->ops.i2c_gate_ctrl)			fe->ops.i2c_gate_ctrl(fe, 1);		ret = i2c_transfer (i2c, &msg, 1);		if (ret != 1)			return NULL;		if (fe->ops.i2c_gate_ctrl)			     fe->ops.i2c_gate_ctrl(fe, 0);	}	priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL);	if (priv == NULL)		return NULL;	priv->pll_i2c_address = pll_addr;	priv->i2c = i2c;	priv->pll_desc = desc;	priv->nr = dvb_pll_devcount++;	memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops,	       sizeof(struct dvb_tuner_ops));	strncpy(fe->ops.tuner_ops.info.name, desc->name,		sizeof(fe->ops.tuner_ops.info.name));	fe->ops.tuner_ops.info.frequency_min = desc->min;	fe->ops.tuner_ops.info.frequency_max = desc->max;	if (!desc->initdata)		fe->ops.tuner_ops.init = NULL;	if (!desc->sleepdata)		fe->ops.tuner_ops.sleep = NULL;	fe->tuner_priv = priv;	if ((debug) || (id[priv->nr] == pll_desc_id)) {		printk("dvb-pll[%d]", priv->nr);		if (i2c != NULL)			printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr);		printk(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name,		       id[priv->nr] == pll_desc_id ?				"insmod option" : "autodetected");	}	return fe;}EXPORT_SYMBOL(dvb_pll_attach);MODULE_DESCRIPTION("dvb pll library");MODULE_AUTHOR("Gerd Knorr");MODULE_LICENSE("GPL");