^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 wrapper
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) Copyright (C)2009 Igor M. Liplianin (liplianin@me.by)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/dvb/frontend.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <media/dvb_frontend.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) static int stb6100_get_freq(struct dvb_frontend *fe, u32 *frequency)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) struct dvb_frontend_ops *frontend_ops = &fe->ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) if (tuner_ops->get_frequency) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) if (frontend_ops->i2c_gate_ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) frontend_ops->i2c_gate_ctrl(fe, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) err = tuner_ops->get_frequency(fe, frequency);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) printk("%s: Invalid parameter\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) if (frontend_ops->i2c_gate_ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) frontend_ops->i2c_gate_ctrl(fe, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static int stb6100_set_freq(struct dvb_frontend *fe, u32 frequency)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct dvb_frontend_ops *frontend_ops = &fe->ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct dtv_frontend_properties *c = &fe->dtv_property_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) u32 bw = c->bandwidth_hz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) c->frequency = frequency;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) c->bandwidth_hz = 0; /* Don't adjust the bandwidth */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) if (tuner_ops->set_params) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) if (frontend_ops->i2c_gate_ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) frontend_ops->i2c_gate_ctrl(fe, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) err = tuner_ops->set_params(fe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) c->bandwidth_hz = bw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) printk("%s: Invalid parameter\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) if (frontend_ops->i2c_gate_ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) frontend_ops->i2c_gate_ctrl(fe, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) return 0;
^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) static int stb6100_get_bandw(struct dvb_frontend *fe, u32 *bandwidth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) struct dvb_frontend_ops *frontend_ops = &fe->ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) if (tuner_ops->get_bandwidth) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) if (frontend_ops->i2c_gate_ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) frontend_ops->i2c_gate_ctrl(fe, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) err = tuner_ops->get_bandwidth(fe, bandwidth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) printk(KERN_ERR "%s: Invalid parameter\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) if (frontend_ops->i2c_gate_ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) frontend_ops->i2c_gate_ctrl(fe, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) static int stb6100_set_bandw(struct dvb_frontend *fe, u32 bandwidth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct dvb_frontend_ops *frontend_ops = &fe->ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) struct dtv_frontend_properties *c = &fe->dtv_property_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) u32 freq = c->frequency;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) c->bandwidth_hz = bandwidth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) c->frequency = 0; /* Don't adjust the frequency */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) if (tuner_ops->set_params) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) if (frontend_ops->i2c_gate_ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) frontend_ops->i2c_gate_ctrl(fe, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) err = tuner_ops->set_params(fe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) c->frequency = freq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) printk(KERN_ERR "%s: Invalid parameter\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) if (frontend_ops->i2c_gate_ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) frontend_ops->i2c_gate_ctrl(fe, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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