1 // SPDX-License-Identifier: GPL-2.0-or-later
16 #include "dvb-pll.h"
45 	{ [ 0 ... (DVB_PLL_MAX-1) ] = DVB_PLL_UNDEFINED };
49 /* ----------------------------------------------------------- */
54 	u32  max;  member
69 /* ----------------------------------------------------------- */
75 	.max   = 858 * MHz,
89 	u32 bw = fe->dtv_property_cache.bandwidth_hz;  in thomson_dtt759x_bw()
97 	.max   = 896 * MHz,
113 	u32 bw = fe->dtv_property_cache.bandwidth_hz;  in thomson_dtt7520x_bw()
121 	.max   = 900 * MHz,
139 	.max   = 862 * MHz,
153 	.name  = "unknown 1", /* used by dntv live dvb-t */
155 	.max   = 862 * MHz,
177 	.max   = 858 * MHz,
191 	.max   = 858 * MHz,
207 	u32 bw = fe->dtv_property_cache.bandwidth_hz;  in tda665x_bw()
215 	.max   = 858 * MHz,
241 	u32 bw = fe->dtv_property_cache.bandwidth_hz;  in tua6034_bw()
249 	.max   = 858 * MHz,
261  * used in Nebula-Cards and USB boxes
265 	u32 bw = fe->dtv_property_cache.bandwidth_hz;  in tded4_bw()
273 	.max = 863 * MHz,
291 	.max = 864 * MHz,
303  * used in Air2PC ATSC - 2nd generation (nxt2002)
308 	.max = 860 * MHz,
327 	.max   = 2150 * MHz,
328 	.iffreq= 249, /* zero-IF, offset 249 is to round up */
340 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;  in opera1_bw()
341 	struct dvb_pll_priv *priv = fe->tuner_priv;  in opera1_bw()
342 	u32 b_w  = (c->symbol_rate * 27) / 32000;  in opera1_bw()
343 	struct i2c_msg msg = {  in opera1_bw()  local
344 		.addr = priv->pll_i2c_address,  in opera1_bw()
352 	if (fe->ops.i2c_gate_ctrl)  in opera1_bw()
353 		fe->ops.i2c_gate_ctrl(fe, 1);  in opera1_bw()
355 	result = i2c_transfer(priv->i2c, &msg, 1);  in opera1_bw()
382 	buf[2] ^= 0x1c; /* Flip bits 3-5 */  in opera1_bw()
393 	.max   = 2250 * MHz,
413 	struct dvb_pll_priv *priv = fe->tuner_priv;  in samsung_dtos403ih102a_set()
414 	struct i2c_msg msg = {  in samsung_dtos403ih102a_set()  local
415 		.addr = priv->pll_i2c_address,  in samsung_dtos403ih102a_set()
422 	if (fe->ops.i2c_gate_ctrl)  in samsung_dtos403ih102a_set()
423 		fe->ops.i2c_gate_ctrl(fe, 1);  in samsung_dtos403ih102a_set()
425 	result = i2c_transfer(priv->i2c, &msg, 1);  in samsung_dtos403ih102a_set()
436 /* unknown pll used in Samsung DTOS403IH102A DVB-C tuner */
440 	.max    = 858 * MHz,
456 /* Samsung TDTC9251DH0 DVB-T NIM, as used on AirStar 2 */
460 	.max	= 863 * MHz,
470 /* Samsung TBDU18132 DVB-S NIM with TSA5059 PLL, used in SkyStar2 DVB-S 2.3 */
474 	.max	= 2150 * MHz, /* guesses */
491 /* Samsung TBMU24112 DVB-S NIM with SL1935 zero-IF tuner */
495 	.max	= 2150 * MHz, /* guesses */
504 /* Alps TDEE4 DVB-C NIM, used on Cablestar 2 */
509  *  47 - 153   0  *  0   0   0   0   0   1   0x01
510  * 153 - 430   0  *  0   0   0   0   1   0   0x02
511  * 430 - 822   0  *  0   0   1   0   0   0   0x08
512  * 822 - 862   1  *  0   0   1   0   0   0   0x88 */
516 	.max	= 862 * MHz,
527 /* Infineon TUA6034 ISDB-T, used in Friio */
530 	.name   = "Infineon TUA6034 ISDB-T (Friio)",
532 	.max    = 770 * MHz,
544 /* Philips TDA6651 ISDB-T, used in Earthsoft PT1 */
546 	.name   = "Philips TDA6651 ISDB-T (EarthSoft PT1)",
548 	.max    = 770 * MHz,
566 /* ----------------------------------------------------------- */
593 /* ----------------------------------------------------------- */
599 	struct dvb_pll_priv *priv = fe->tuner_priv;  in dvb_pll_configure()
600 	const struct dvb_pll_desc *desc = priv->pll_desc;  in dvb_pll_configure()
604 	for (i = 0; i < desc->count; i++) {  in dvb_pll_configure()
605 		if (frequency > desc->entries[i].limit)  in dvb_pll_configure()
611 		dprintk("pll: %s: freq=%d | i=%d/%d\n", desc->name,  in dvb_pll_configure()
612 		       frequency, i, desc->count);  in dvb_pll_configure()
613 	if (i == desc->count)  in dvb_pll_configure()
614 		return -EINVAL;  in dvb_pll_configure()
616 	div = (frequency + desc->iffreq +  in dvb_pll_configure()
617 	       desc->entries[i].stepsize/2) / desc->entries[i].stepsize;  in dvb_pll_configure()
620 	buf[2] = desc->entries[i].config;  in dvb_pll_configure()
621 	buf[3] = desc->entries[i].cb;  in dvb_pll_configure()
623 	if (desc->set)  in dvb_pll_configure()
624 		desc->set(fe, buf);  in dvb_pll_configure()
628 		       desc->name, div, buf[0], buf[1], buf[2], buf[3]);  in dvb_pll_configure()
631 	return (div * desc->entries[i].stepsize) - desc->iffreq;  in dvb_pll_configure()
636 	kfree(fe->tuner_priv);  in dvb_pll_release()
637 	fe->tuner_priv = NULL;  in dvb_pll_release()
642 	struct dvb_pll_priv *priv = fe->tuner_priv;  in dvb_pll_sleep()
644 	if (priv->i2c == NULL)  in dvb_pll_sleep()
645 		return -EINVAL;  in dvb_pll_sleep()
647 	if (priv->pll_desc->sleepdata) {  in dvb_pll_sleep()
648 		struct i2c_msg msg = { .flags = 0,  in dvb_pll_sleep()  local
649 			.addr = priv->pll_i2c_address,  in dvb_pll_sleep()
650 			.buf = priv->pll_desc->sleepdata + 1,  in dvb_pll_sleep()
651 			.len = priv->pll_desc->sleepdata[0] };  in dvb_pll_sleep()
655 		if (fe->ops.i2c_gate_ctrl)  in dvb_pll_sleep()
656 			fe->ops.i2c_gate_ctrl(fe, 1);  in dvb_pll_sleep()
657 		if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {  in dvb_pll_sleep()
663 	return -EINVAL;  in dvb_pll_sleep()
668 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;  in dvb_pll_set_params()
669 	struct dvb_pll_priv *priv = fe->tuner_priv;  in dvb_pll_set_params()
671 	struct i2c_msg msg =  in dvb_pll_set_params()  local
672 		{ .addr = priv->pll_i2c_address, .flags = 0,  in dvb_pll_set_params()
677 	if (priv->i2c == NULL)  in dvb_pll_set_params()
678 		return -EINVAL;  in dvb_pll_set_params()
680 	result = dvb_pll_configure(fe, buf, c->frequency);  in dvb_pll_set_params()
686 	if (fe->ops.i2c_gate_ctrl)  in dvb_pll_set_params()
687 		fe->ops.i2c_gate_ctrl(fe, 1);  in dvb_pll_set_params()
688 	if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {  in dvb_pll_set_params()
692 	priv->frequency = frequency;  in dvb_pll_set_params()
693 	priv->bandwidth = c->bandwidth_hz;  in dvb_pll_set_params()
701 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;  in dvb_pll_calc_regs()
702 	struct dvb_pll_priv *priv = fe->tuner_priv;  in dvb_pll_calc_regs()
707 		return -EINVAL;  in dvb_pll_calc_regs()
709 	result = dvb_pll_configure(fe, buf + 1, c->frequency);  in dvb_pll_calc_regs()
715 	buf[0] = priv->pll_i2c_address;  in dvb_pll_calc_regs()
717 	priv->frequency = frequency;  in dvb_pll_calc_regs()
718 	priv->bandwidth = c->bandwidth_hz;  in dvb_pll_calc_regs()
725 	struct dvb_pll_priv *priv = fe->tuner_priv;  in dvb_pll_get_frequency()
726 	*frequency = priv->frequency;  in dvb_pll_get_frequency()
732 	struct dvb_pll_priv *priv = fe->tuner_priv;  in dvb_pll_get_bandwidth()
733 	*bandwidth = priv->bandwidth;  in dvb_pll_get_bandwidth()
739 	struct dvb_pll_priv *priv = fe->tuner_priv;  in dvb_pll_init()
741 	if (priv->i2c == NULL)  in dvb_pll_init()
742 		return -EINVAL;  in dvb_pll_init()
744 	if (priv->pll_desc->initdata) {  in dvb_pll_init()
745 		struct i2c_msg msg = { .flags = 0,  in dvb_pll_init()  local
746 			.addr = priv->pll_i2c_address,  in dvb_pll_init()
747 			.buf = priv->pll_desc->initdata + 1,  in dvb_pll_init()
748 			.len = priv->pll_desc->initdata[0] };  in dvb_pll_init()
751 		if (fe->ops.i2c_gate_ctrl)  in dvb_pll_init()
752 			fe->ops.i2c_gate_ctrl(fe, 1);  in dvb_pll_init()
753 		result = i2c_transfer(priv->i2c, &msg, 1);  in dvb_pll_init()
756 		if (priv->pll_desc->initdata2) {  in dvb_pll_init()
757 			msg.buf = priv->pll_desc->initdata2 + 1;  in dvb_pll_init()
758 			msg.len = priv->pll_desc->initdata2[0];  in dvb_pll_init()
759 			if (fe->ops.i2c_gate_ctrl)  in dvb_pll_init()
760 				fe->ops.i2c_gate_ctrl(fe, 1);  in dvb_pll_init()
761 			result = i2c_transfer(priv->i2c, &msg, 1);  in dvb_pll_init()
768 	return -EINVAL;  in dvb_pll_init()
786 	struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, .len = 1 };  in dvb_pll_attach()  local
797 	msg.buf = b1;  in dvb_pll_attach()
799 	nr = ida_alloc_max(&pll_ida, DVB_PLL_MAX - 1, GFP_KERNEL);  in dvb_pll_attach()
813 		if (fe->ops.i2c_gate_ctrl)  in dvb_pll_attach()
814 			fe->ops.i2c_gate_ctrl(fe, 1);  in dvb_pll_attach()
816 		ret = i2c_transfer (i2c, &msg, 1);  in dvb_pll_attach()
819 		if (fe->ops.i2c_gate_ctrl)  in dvb_pll_attach()
820 			     fe->ops.i2c_gate_ctrl(fe, 0);  in dvb_pll_attach()
827 	priv->pll_i2c_address = pll_addr;  in dvb_pll_attach()
828 	priv->i2c = i2c;  in dvb_pll_attach()
829 	priv->pll_desc = desc;  in dvb_pll_attach()
830 	priv->nr = nr;  in dvb_pll_attach()
832 	memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops,  in dvb_pll_attach()
835 	strscpy(fe->ops.tuner_ops.info.name, desc->name,  in dvb_pll_attach()
836 		sizeof(fe->ops.tuner_ops.info.name));  in dvb_pll_attach()
838 	fe->ops.tuner_ops.info.frequency_min_hz = desc->min;  in dvb_pll_attach()
839 	fe->ops.tuner_ops.info.frequency_max_hz = desc->max;  in dvb_pll_attach()
842 		desc->name, desc->min, desc->max);  in dvb_pll_attach()
844 	if (!desc->initdata)  in dvb_pll_attach()
845 		fe->ops.tuner_ops.init = NULL;  in dvb_pll_attach()
846 	if (!desc->sleepdata)  in dvb_pll_attach()
847 		fe->ops.tuner_ops.sleep = NULL;  in dvb_pll_attach()
849 	fe->tuner_priv = priv;  in dvb_pll_attach()
851 	if ((debug) || (id[priv->nr] == pll_desc_id)) {  in dvb_pll_attach()
852 		dprintk("dvb-pll[%d]", priv->nr);  in dvb_pll_attach()
854 			pr_cont(" %d-%04x", i2c_adapter_id(i2c), pll_addr);  in dvb_pll_attach()
855 		pr_cont(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name,  in dvb_pll_attach()
856 		       id[priv->nr] == pll_desc_id ?  in dvb_pll_attach()
880 	cfg = client->dev.platform_data;  in dvb_pll_probe()
881 	fe = cfg->fe;  in dvb_pll_probe()
883 	desc_id = (unsigned int) id->driver_data;  in dvb_pll_probe()
885 	if (!dvb_pll_attach(fe, client->addr, client->adapter, desc_id))  in dvb_pll_probe()
886 		return -ENOMEM;  in dvb_pll_probe()
898 	fe->ops.tuner_ops.release = NULL;  in dvb_pll_probe()
899 	dev_info(&client->dev, "DVB Simple Tuner attached.\n");  in dvb_pll_probe()
906 	struct dvb_pll_priv *priv = fe->tuner_priv;  in dvb_pll_remove()
908 	ida_free(&pll_ida, priv->nr);  in dvb_pll_remove()