xref: /OK3568_Linux_fs/kernel/drivers/media/pci/cx88/cx88-vp3054-i2c.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * cx88-vp3054-i2c.h  --  support for the secondary I2C bus of the
4*4882a593Smuzhiyun  *			  DNTV Live! DVB-T Pro (VP-3054), wired as:
5*4882a593Smuzhiyun  *			  GPIO[0] -> SCL, GPIO[1] -> SDA
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * (c) 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
8*4882a593Smuzhiyun  */
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun /* ----------------------------------------------------------------------- */
11*4882a593Smuzhiyun struct vp3054_i2c_state {
12*4882a593Smuzhiyun 	struct i2c_adapter         adap;
13*4882a593Smuzhiyun 	struct i2c_algo_bit_data   algo;
14*4882a593Smuzhiyun 	u32                        state;
15*4882a593Smuzhiyun };
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun /* ----------------------------------------------------------------------- */
18*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_VIDEO_CX88_VP3054)
19*4882a593Smuzhiyun int  vp3054_i2c_probe(struct cx8802_dev *dev);
20*4882a593Smuzhiyun void vp3054_i2c_remove(struct cx8802_dev *dev);
21*4882a593Smuzhiyun #else
vp3054_i2c_probe(struct cx8802_dev * dev)22*4882a593Smuzhiyun static inline int  vp3054_i2c_probe(struct cx8802_dev *dev)
23*4882a593Smuzhiyun { return 0; }
vp3054_i2c_remove(struct cx8802_dev * dev)24*4882a593Smuzhiyun static inline void vp3054_i2c_remove(struct cx8802_dev *dev)
25*4882a593Smuzhiyun { }
26*4882a593Smuzhiyun #endif
27