Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 	STB6100 Silicon Tuner
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 	Copyright (C) Manu Abraham (abraham.manu@gmail.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 	Copyright (C) ST Microelectronics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/dvb/frontend.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <media/dvb_frontend.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) static int stb6100_get_frequency(struct dvb_frontend *fe, u32 *frequency)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	struct dvb_frontend_ops	*frontend_ops = &fe->ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	struct dvb_tuner_ops	*tuner_ops = &frontend_ops->tuner_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	if (tuner_ops->get_frequency) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		err = tuner_ops->get_frequency(fe, frequency);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 		if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 			printk("%s: Invalid parameter\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 			return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static int stb6100_set_frequency(struct dvb_frontend *fe, u32 frequency)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	struct dvb_frontend_ops	*frontend_ops = &fe->ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	struct dvb_tuner_ops	*tuner_ops = &frontend_ops->tuner_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	u32 bw = c->bandwidth_hz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	c->frequency = frequency;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	c->bandwidth_hz = 0;		/* Don't adjust the bandwidth */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	if (tuner_ops->set_params) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 		err = tuner_ops->set_params(fe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 		c->bandwidth_hz = bw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 		if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 			printk("%s: Invalid parameter\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 			return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static int stb6100_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	struct dvb_frontend_ops	*frontend_ops = &fe->ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	struct dvb_tuner_ops	*tuner_ops = &frontend_ops->tuner_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	if (tuner_ops->get_bandwidth) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 		err = tuner_ops->get_bandwidth(fe, bandwidth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 		if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 			printk("%s: Invalid parameter\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 			return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static int stb6100_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	struct dvb_frontend_ops	*frontend_ops = &fe->ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 	struct dvb_tuner_ops	*tuner_ops = &frontend_ops->tuner_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 	u32 freq = c->frequency;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 	int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 	c->bandwidth_hz = bandwidth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 	c->frequency = 0;		/* Don't adjust the frequency */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) 	if (tuner_ops->set_params) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 		err = tuner_ops->set_params(fe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 		c->frequency = freq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 		if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) 			printk("%s: Invalid parameter\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 			return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }