9ab1ba38e6
A number of drivers selected DVB_PLL when they did not need it, and some that did need it did not select it. The DVB_PLL option is given a name and help text, so that it will show up in the config menu. DVB_PLL support can be turned on if an out-of-tree driver needs it. The standard dvb fe customization support is added to dvb-pll.h. Since all modules which select DVB_PLL do so unconditionally, it is not possible to turn dvb-pll off when an enabled module selects it, unlike most of the other frontend/tuner drivers. This is because the users of dvb-pll have static references to dvb-pll symbols other than the attach function. If these references are removed, then dvb-pll will be disablable as the other frontend/tuner drivers are. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/*
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* descriptions + helper functions for simple dvb plls.
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*/
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#ifndef __DVB_PLL_H__
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#define __DVB_PLL_H__
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#include <linux/i2c.h>
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#include "dvb_frontend.h"
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struct dvb_pll_desc {
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char *name;
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u32 min;
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u32 max;
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void (*setbw)(u8 *buf, u32 freq, int bandwidth);
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int count;
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struct {
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u32 limit;
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u32 offset;
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u32 stepsize;
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u8 config;
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u8 cb;
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} entries[12];
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};
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extern struct dvb_pll_desc dvb_pll_thomson_dtt7579;
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extern struct dvb_pll_desc dvb_pll_thomson_dtt759x;
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extern struct dvb_pll_desc dvb_pll_thomson_dtt7610;
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extern struct dvb_pll_desc dvb_pll_lg_z201;
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extern struct dvb_pll_desc dvb_pll_microtune_4042;
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extern struct dvb_pll_desc dvb_pll_thomson_dtt761x;
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extern struct dvb_pll_desc dvb_pll_unknown_1;
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extern struct dvb_pll_desc dvb_pll_tua6010xs;
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extern struct dvb_pll_desc dvb_pll_env57h1xd5;
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extern struct dvb_pll_desc dvb_pll_tua6034;
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extern struct dvb_pll_desc dvb_pll_lg_tdvs_h06xf;
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extern struct dvb_pll_desc dvb_pll_tda665x;
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extern struct dvb_pll_desc dvb_pll_fmd1216me;
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extern struct dvb_pll_desc dvb_pll_tded4;
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extern struct dvb_pll_desc dvb_pll_tuv1236d;
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extern struct dvb_pll_desc dvb_pll_tdhu2;
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extern struct dvb_pll_desc dvb_pll_samsung_tbmv;
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extern struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261;
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extern struct dvb_pll_desc dvb_pll_philips_td1316;
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extern struct dvb_pll_desc dvb_pll_thomson_fe6600;
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extern int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf,
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u32 freq, int bandwidth);
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/**
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* Attach a dvb-pll to the supplied frontend structure.
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*
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* @param fe Frontend to attach to.
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* @param pll_addr i2c address of the PLL (if used).
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* @param i2c i2c adapter to use (set to NULL if not used).
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* @param desc dvb_pll_desc to use.
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* @return Frontend pointer on success, NULL on failure
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*/
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#if defined(CONFIG_DVB_PLL) || (defined(CONFIG_DVB_PLL_MODULE) && defined(MODULE))
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extern struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe,
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int pll_addr,
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struct i2c_adapter *i2c,
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struct dvb_pll_desc *desc);
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#else
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static inline struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe,
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int pll_addr,
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struct i2c_adapter *i2c,
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struct dvb_pll_desc *desc)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
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return NULL;
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}
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#endif
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#endif
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