[mirror_ubuntu-artful-kernel.git] / drivers / media / dvb-frontends / stb6100_proc.h

/*
	STB6100 Silicon Tuner wrapper
	Copyright (C)2009 Igor M. Liplianin (liplianin@me.by)

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

static int stb6100_get_freq(struct dvb_frontend *fe, u32 *frequency)
{
	struct dvb_frontend_ops	*frontend_ops = NULL;
	struct dvb_tuner_ops	*tuner_ops = NULL;
	struct tuner_state	state;
	int err = 0;

	if (&fe->ops)
		frontend_ops = &fe->ops;
	if (&frontend_ops->tuner_ops)
		tuner_ops = &frontend_ops->tuner_ops;
	if (tuner_ops->get_state) {
		if (frontend_ops->i2c_gate_ctrl)
			frontend_ops->i2c_gate_ctrl(fe, 1);

		err = tuner_ops->get_state(fe, DVBFE_TUNER_FREQUENCY, &state);
		if (err < 0) {
			printk(KERN_ERR "%s: Invalid parameter\n", __func__);
			return err;
		}

		if (frontend_ops->i2c_gate_ctrl)
			frontend_ops->i2c_gate_ctrl(fe, 0);

		*frequency = state.frequency;
	}

	return 0;
}

static int stb6100_set_freq(struct dvb_frontend *fe, u32 frequency)
{
	struct dvb_frontend_ops	*frontend_ops = NULL;
	struct dvb_tuner_ops	*tuner_ops = NULL;
	struct tuner_state	state;
	int err = 0;

	state.frequency = frequency;
	if (&fe->ops)
		frontend_ops = &fe->ops;
	if (&frontend_ops->tuner_ops)
		tuner_ops = &frontend_ops->tuner_ops;
	if (tuner_ops->set_state) {
		if (frontend_ops->i2c_gate_ctrl)
			frontend_ops->i2c_gate_ctrl(fe, 1);

		err = tuner_ops->set_state(fe, DVBFE_TUNER_FREQUENCY, &state);
		if (err < 0) {
			printk(KERN_ERR "%s: Invalid parameter\n", __func__);
			return err;
		}

		if (frontend_ops->i2c_gate_ctrl)
			frontend_ops->i2c_gate_ctrl(fe, 0);

	}

	return 0;
}

static int stb6100_get_bandw(struct dvb_frontend *fe, u32 *bandwidth)
{
	struct dvb_frontend_ops	*frontend_ops = NULL;
	struct dvb_tuner_ops	*tuner_ops = NULL;
	struct tuner_state	state;
	int err = 0;

	if (&fe->ops)
		frontend_ops = &fe->ops;
	if (&frontend_ops->tuner_ops)
		tuner_ops = &frontend_ops->tuner_ops;
	if (tuner_ops->get_state) {
		if (frontend_ops->i2c_gate_ctrl)
			frontend_ops->i2c_gate_ctrl(fe, 1);

		err = tuner_ops->get_state(fe, DVBFE_TUNER_BANDWIDTH, &state);
		if (err < 0) {
			printk(KERN_ERR "%s: Invalid parameter\n", __func__);
			return err;
		}

		if (frontend_ops->i2c_gate_ctrl)
			frontend_ops->i2c_gate_ctrl(fe, 0);

		*bandwidth = state.bandwidth;
	}

	return 0;
}

static int stb6100_set_bandw(struct dvb_frontend *fe, u32 bandwidth)
{
	struct dvb_frontend_ops	*frontend_ops = NULL;
	struct dvb_tuner_ops	*tuner_ops = NULL;
	struct tuner_state	state;
	int err = 0;

	state.bandwidth = bandwidth;
	if (&fe->ops)
		frontend_ops = &fe->ops;
	if (&frontend_ops->tuner_ops)
		tuner_ops = &frontend_ops->tuner_ops;
	if (tuner_ops->set_state) {
		if (frontend_ops->i2c_gate_ctrl)
			frontend_ops->i2c_gate_ctrl(fe, 1);

		err = tuner_ops->set_state(fe, DVBFE_TUNER_BANDWIDTH, &state);
		if (err < 0) {
			printk(KERN_ERR "%s: Invalid parameter\n", __func__);
			return err;
		}

		if (frontend_ops->i2c_gate_ctrl)
			frontend_ops->i2c_gate_ctrl(fe, 0);

	}

	return 0;
}
Commit	Line	Data
b699c271 IL	1	/*
	2	STB6100 Silicon Tuner wrapper
	3	Copyright (C)2009 Igor M. Liplianin (liplianin@me.by)
	4
	5	This program is free software; you can redistribute it and/or modify
	6	it under the terms of the GNU General Public License as published by
	7	the Free Software Foundation; either version 2 of the License, or
	8	(at your option) any later version.
	9
	10	This program is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	GNU General Public License for more details.
	14
	15	You should have received a copy of the GNU General Public License
	16	along with this program; if not, write to the Free Software
	17	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	18	*/
	19
	20	static int stb6100_get_freq(struct dvb_frontend fe, u32 frequency)
	21	{
	22	struct dvb_frontend_ops *frontend_ops = NULL;
	23	struct dvb_tuner_ops *tuner_ops = NULL;
	24	struct tuner_state state;
	25	int err = 0;
	26
	27	if (&fe->ops)
	28	frontend_ops = &fe->ops;
	29	if (&frontend_ops->tuner_ops)
	30	tuner_ops = &frontend_ops->tuner_ops;
	31	if (tuner_ops->get_state) {
	32	if (frontend_ops->i2c_gate_ctrl)
	33	frontend_ops->i2c_gate_ctrl(fe, 1);
	34
	35	err = tuner_ops->get_state(fe, DVBFE_TUNER_FREQUENCY, &state);
	36	if (err < 0) {
	37	printk(KERN_ERR "%s: Invalid parameter\n", __func__);
	38	return err;
	39	}
	40
	41	if (frontend_ops->i2c_gate_ctrl)
	42	frontend_ops->i2c_gate_ctrl(fe, 0);
	43
	44	*frequency = state.frequency;
	45	}
	46
	47	return 0;
	48	}
	49
	50	static int stb6100_set_freq(struct dvb_frontend *fe, u32 frequency)
	51	{
	52	struct dvb_frontend_ops *frontend_ops = NULL;
	53	struct dvb_tuner_ops *tuner_ops = NULL;
	54	struct tuner_state state;
	55	int err = 0;
	56
	57	state.frequency = frequency;
	58	if (&fe->ops)
	59	frontend_ops = &fe->ops;
	60	if (&frontend_ops->tuner_ops)
	61	tuner_ops = &frontend_ops->tuner_ops;
	62	if (tuner_ops->set_state) {
	63	if (frontend_ops->i2c_gate_ctrl)
	64	frontend_ops->i2c_gate_ctrl(fe, 1);
65
66	err = tuner_ops->set_state(fe, DVBFE_TUNER_FREQUENCY, &state);
67	if (err < 0) {
68	printk(KERN_ERR "%s: Invalid parameter\n", __func__);
69	return err;
70	}
71
72	if (frontend_ops->i2c_gate_ctrl)
73	frontend_ops->i2c_gate_ctrl(fe, 0);
74
75	}
76
77	return 0;
78	}
79
80	static int stb6100_get_bandw(struct dvb_frontend fe, u32 bandwidth)
81	{
82	struct dvb_frontend_ops *frontend_ops = NULL;
83	struct dvb_tuner_ops *tuner_ops = NULL;
84	struct tuner_state state;
85	int err = 0;
86
87	if (&fe->ops)
88	frontend_ops = &fe->ops;
89	if (&frontend_ops->tuner_ops)
90	tuner_ops = &frontend_ops->tuner_ops;
91	if (tuner_ops->get_state) {
92	if (frontend_ops->i2c_gate_ctrl)
93	frontend_ops->i2c_gate_ctrl(fe, 1);
94
95	err = tuner_ops->get_state(fe, DVBFE_TUNER_BANDWIDTH, &state);
96	if (err < 0) {
97	printk(KERN_ERR "%s: Invalid parameter\n", __func__);
98	return err;
99	}
100
101	if (frontend_ops->i2c_gate_ctrl)
102	frontend_ops->i2c_gate_ctrl(fe, 0);
103
104	*bandwidth = state.bandwidth;
105	}
106
107	return 0;
108	}
109
110	static int stb6100_set_bandw(struct dvb_frontend *fe, u32 bandwidth)
111	{
112	struct dvb_frontend_ops *frontend_ops = NULL;
113	struct dvb_tuner_ops *tuner_ops = NULL;
114	struct tuner_state state;
115	int err = 0;
116
117	state.bandwidth = bandwidth;
118	if (&fe->ops)
119	frontend_ops = &fe->ops;
120	if (&frontend_ops->tuner_ops)
121	tuner_ops = &frontend_ops->tuner_ops;
122	if (tuner_ops->set_state) {
123	if (frontend_ops->i2c_gate_ctrl)
124	frontend_ops->i2c_gate_ctrl(fe, 1);
125
126	err = tuner_ops->set_state(fe, DVBFE_TUNER_BANDWIDTH, &state);
127	if (err < 0) {
128	printk(KERN_ERR "%s: Invalid parameter\n", __func__);
129	return err;
130	}
131
132	if (frontend_ops->i2c_gate_ctrl)
133	frontend_ops->i2c_gate_ctrl(fe, 0);
134
135	}
136
137	return 0;
138	}