diff options
Diffstat (limited to 'drivers/media/dvb/frontends/dib3000-common.c')
-rw-r--r-- | drivers/media/dvb/frontends/dib3000-common.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/drivers/media/dvb/frontends/dib3000-common.c b/drivers/media/dvb/frontends/dib3000-common.c deleted file mode 100644 index 1a4f1f7..0000000 --- a/drivers/media/dvb/frontends/dib3000-common.c +++ /dev/null @@ -1,83 +0,0 @@ -#include "dib3000-common.h" - -#ifdef CONFIG_DVB_DIBCOM_DEBUG -static int debug; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "set debugging level (1=info,2=i2c,4=srch (|-able))."); -#endif -#define deb_info(args...) dprintk(0x01,args) -#define deb_i2c(args...) dprintk(0x02,args) -#define deb_srch(args...) dprintk(0x04,args) - - -int dib3000_read_reg(struct dib3000_state *state, u16 reg) -{ - u8 wb[] = { ((reg >> 8) | 0x80) & 0xff, reg & 0xff }; - u8 rb[2]; - struct i2c_msg msg[] = { - { .addr = state->config.demod_address, .flags = 0, .buf = wb, .len = 2 }, - { .addr = state->config.demod_address, .flags = I2C_M_RD, .buf = rb, .len = 2 }, - }; - - if (i2c_transfer(state->i2c, msg, 2) != 2) - deb_i2c("i2c read error\n"); - - deb_i2c("reading i2c bus (reg: %5d 0x%04x, val: %5d 0x%04x)\n",reg,reg, - (rb[0] << 8) | rb[1],(rb[0] << 8) | rb[1]); - - return (rb[0] << 8) | rb[1]; -} - -int dib3000_write_reg(struct dib3000_state *state, u16 reg, u16 val) -{ - u8 b[] = { - (reg >> 8) & 0xff, reg & 0xff, - (val >> 8) & 0xff, val & 0xff, - }; - struct i2c_msg msg[] = { - { .addr = state->config.demod_address, .flags = 0, .buf = b, .len = 4 } - }; - deb_i2c("writing i2c bus (reg: %5d 0x%04x, val: %5d 0x%04x)\n",reg,reg,val,val); - - return i2c_transfer(state->i2c,msg, 1) != 1 ? -EREMOTEIO : 0; -} - -int dib3000_search_status(u16 irq,u16 lock) -{ - if (irq & 0x02) { - if (lock & 0x01) { - deb_srch("auto search succeeded\n"); - return 1; // auto search succeeded - } else { - deb_srch("auto search not successful\n"); - return 0; // auto search failed - } - } else if (irq & 0x01) { - deb_srch("auto search failed\n"); - return 0; // auto search failed - } - return -1; // try again -} - -/* for auto search */ -u16 dib3000_seq[2][2][2] = /* fft,gua, inv */ - { /* fft */ - { /* gua */ - { 0, 1 }, /* 0 0 { 0,1 } */ - { 3, 9 }, /* 0 1 { 0,1 } */ - }, - { - { 2, 5 }, /* 1 0 { 0,1 } */ - { 6, 11 }, /* 1 1 { 0,1 } */ - } - }; - -MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de"); -MODULE_DESCRIPTION("Common functions for the dib3000mb/dib3000mc dvb frontend drivers"); -MODULE_LICENSE("GPL"); - -EXPORT_SYMBOL(dib3000_seq); - -EXPORT_SYMBOL(dib3000_read_reg); -EXPORT_SYMBOL(dib3000_write_reg); -EXPORT_SYMBOL(dib3000_search_status); |