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5af478341f
The dib9000_remove_slave_frontend() function isn't used. I was reviewing it because my static checker claims it writes one element beyond the end of the array. That's a false positive. What it actually does is, if there are two or more front ends, then it prints a debug message to say that it removed the first one, stored in state->fe[1], and then it "removes" (scare quotes on purpose) the second one, stored in state->fe[2]. Deleting a front end from the middle is not really supported and breaks code like dib9000_release() which assumes the first NULL front end marks the end of the list. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
125 lines
4.1 KiB
C
125 lines
4.1 KiB
C
#ifndef DIB9000_H
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#define DIB9000_H
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#include "dibx000_common.h"
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struct dib9000_config {
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u8 dvbt_mode;
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u8 output_mpeg2_in_188_bytes;
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u8 hostbus_diversity;
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struct dibx000_bandwidth_config *bw;
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u16 if_drives;
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u32 timing_frequency;
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u32 xtal_clock_khz;
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u32 vcxo_timer;
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u32 demod_clock_khz;
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const u8 *microcode_B_fe_buffer;
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u32 microcode_B_fe_size;
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struct dibGPIOFunction gpio_function[2];
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struct dibSubbandSelection subband;
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u8 output_mode;
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};
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#define DEFAULT_DIB9000_I2C_ADDRESS 18
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#if IS_REACHABLE(CONFIG_DVB_DIB9000)
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extern struct dvb_frontend *dib9000_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, const struct dib9000_config *cfg);
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extern int dib9000_i2c_enumeration(struct i2c_adapter *host, int no_of_demods, u8 default_addr, u8 first_addr);
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extern struct i2c_adapter *dib9000_get_tuner_interface(struct dvb_frontend *fe);
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extern struct i2c_adapter *dib9000_get_i2c_master(struct dvb_frontend *fe, enum dibx000_i2c_interface intf, int gating);
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extern int dib9000_set_gpio(struct dvb_frontend *fe, u8 num, u8 dir, u8 val);
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extern int dib9000_fw_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff);
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extern int dib9000_fw_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff);
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extern int dib9000_firmware_post_pll_init(struct dvb_frontend *fe);
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extern int dib9000_set_slave_frontend(struct dvb_frontend *fe, struct dvb_frontend *fe_slave);
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extern struct dvb_frontend *dib9000_get_slave_frontend(struct dvb_frontend *fe, int slave_index);
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extern struct i2c_adapter *dib9000_get_component_bus_interface(struct dvb_frontend *fe);
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extern int dib9000_set_i2c_adapter(struct dvb_frontend *fe, struct i2c_adapter *i2c);
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extern int dib9000_fw_set_component_bus_speed(struct dvb_frontend *fe, u16 speed);
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#else
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static inline struct dvb_frontend *dib9000_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib9000_config *cfg)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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static inline struct i2c_adapter *dib9000_get_i2c_master(struct dvb_frontend *fe, enum dibx000_i2c_interface intf, int gating)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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static inline int dib9000_i2c_enumeration(struct i2c_adapter *host, int no_of_demods, u8 default_addr, u8 first_addr)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return -ENODEV;
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}
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static inline struct i2c_adapter *dib9000_get_tuner_interface(struct dvb_frontend *fe)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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static inline int dib9000_set_gpio(struct dvb_frontend *fe, u8 num, u8 dir, u8 val)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return -ENODEV;
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}
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static inline int dib9000_fw_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return -ENODEV;
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}
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static inline int dib9000_fw_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return -ENODEV;
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}
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static inline int dib9000_firmware_post_pll_init(struct dvb_frontend *fe)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return -ENODEV;
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}
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static inline int dib9000_set_slave_frontend(struct dvb_frontend *fe, struct dvb_frontend *fe_slave)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return -ENODEV;
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}
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static inline struct dvb_frontend *dib9000_get_slave_frontend(struct dvb_frontend *fe, int slave_index)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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static inline struct i2c_adapter *dib9000_get_component_bus_interface(struct dvb_frontend *fe)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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static inline int dib9000_set_i2c_adapter(struct dvb_frontend *fe, struct i2c_adapter *i2c)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return -ENODEV;
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}
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static inline int dib9000_fw_set_component_bus_speed(struct dvb_frontend *fe, u16 speed)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return -ENODEV;
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}
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#endif
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#endif
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