xref: /OK3568_Linux_fs/kernel/drivers/media/dvb-frontends/sp8870.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun     Driver for Spase SP8870 demodulator
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun     Copyright (C) 1999 Juergen Peitz
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #ifndef SP8870_H
11*4882a593Smuzhiyun #define SP8870_H
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #include <linux/dvb/frontend.h>
14*4882a593Smuzhiyun #include <linux/firmware.h>
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun struct sp8870_config
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun 	/* the demodulator's i2c address */
19*4882a593Smuzhiyun 	u8 demod_address;
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun 	/* request firmware for device */
22*4882a593Smuzhiyun 	int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
23*4882a593Smuzhiyun };
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_SP8870)
26*4882a593Smuzhiyun extern struct dvb_frontend* sp8870_attach(const struct sp8870_config* config,
27*4882a593Smuzhiyun 					  struct i2c_adapter* i2c);
28*4882a593Smuzhiyun #else
sp8870_attach(const struct sp8870_config * config,struct i2c_adapter * i2c)29*4882a593Smuzhiyun static inline struct dvb_frontend* sp8870_attach(const struct sp8870_config* config,
30*4882a593Smuzhiyun 					  struct i2c_adapter* i2c)
31*4882a593Smuzhiyun {
32*4882a593Smuzhiyun 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
33*4882a593Smuzhiyun 	return NULL;
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun #endif // CONFIG_DVB_SP8870
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun #endif // SP8870_H
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