linux/drivers/media/dvb/frontends/stb6100.h
lawrence rust 2e4e98e788 V4L/DVB: drivers/media: Make static data tables and strings const
Making static data const avoids allocation of additional r/w memory and
reduces initialisation time.  It also provides some additional opportunities
for compiler optimisations.

Signed-off-by: Lawrence Rust <lvr@softsystem.co.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21 01:04:52 -02:00

116 lines
2.9 KiB
C

/*
STB6100 Silicon Tuner
Copyright (C) Manu Abraham (abraham.manu@gmail.com)
Copyright (C) ST Microelectronics
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.
*/
#ifndef __STB_6100_REG_H
#define __STB_6100_REG_H
#include <linux/dvb/frontend.h>
#include "dvb_frontend.h"
#define STB6100_LD 0x00
#define STB6100_LD_LOCK (1 << 0)
#define STB6100_VCO 0x01
#define STB6100_VCO_OSCH (0x01 << 7)
#define STB6100_VCO_OSCH_SHIFT 7
#define STB6100_VCO_OCK (0x03 << 5)
#define STB6100_VCO_OCK_SHIFT 5
#define STB6100_VCO_ODIV (0x01 << 4)
#define STB6100_VCO_ODIV_SHIFT 4
#define STB6100_VCO_OSM (0x0f << 0)
#define STB6100_NI 0x02
#define STB6100_NF_LSB 0x03
#define STB6100_K 0x04
#define STB6100_K_PSD2 (0x01 << 2)
#define STB6100_K_PSD2_SHIFT 2
#define STB6100_K_NF_MSB (0x03 << 0)
#define STB6100_G 0x05
#define STB6100_G_G (0x0f << 0)
#define STB6100_G_GCT (0x07 << 5)
#define STB6100_F 0x06
#define STB6100_F_F (0x1f << 0)
#define STB6100_DLB 0x07
#define STB6100_TEST1 0x08
#define STB6100_FCCK 0x09
#define STB6100_FCCK_FCCK (0x01 << 6)
#define STB6100_LPEN 0x0a
#define STB6100_LPEN_LPEN (0x01 << 4)
#define STB6100_LPEN_SYNP (0x01 << 5)
#define STB6100_LPEN_OSCP (0x01 << 6)
#define STB6100_LPEN_BEN (0x01 << 7)
#define STB6100_TEST3 0x0b
#define STB6100_NUMREGS 0x0c
#define INRANGE(val, x, y) (((x <= val) && (val <= y)) || \
((y <= val) && (val <= x)) ? 1 : 0)
#define CHKRANGE(val, x, y) (((val >= x) && (val < y)) ? 1 : 0)
struct stb6100_config {
u8 tuner_address;
u32 refclock;
};
struct stb6100_state {
struct i2c_adapter *i2c;
const struct stb6100_config *config;
struct dvb_tuner_ops ops;
struct dvb_frontend *frontend;
struct tuner_state status;
u32 frequency;
u32 srate;
u32 bandwidth;
u32 reference;
};
#if defined(CONFIG_DVB_STB6100) || (defined(CONFIG_DVB_STB6100_MODULE) && defined(MODULE))
extern struct dvb_frontend *stb6100_attach(struct dvb_frontend *fe,
const struct stb6100_config *config,
struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *stb6100_attach(struct dvb_frontend *fe,
const struct stb6100_config *config,
struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: Driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif //CONFIG_DVB_STB6100
#endif