static int tmds_register_read(int index) { u8 data; viafb_i2c_readbyte(viaparinfo->chip_info->tmds_chip_info.i2c_port, (u8) viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr, (u8) index, &data); return data; }
u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information *plvds_setting_info, struct lvds_chip_information *plvds_chip_info, u8 index) { u8 data; viaparinfo->i2c_stuff.i2c_port = plvds_chip_info->i2c_port; viafb_i2c_readbyte(plvds_chip_info->lvds_chip_slave_addr, index, &data); return data; }
bool viafb_lvds_identify_vt1636(void) { u8 Buffer[2]; DEBUG_MSG(KERN_INFO "viafb_lvds_identify_vt1636.\n"); /* Sense VT1636 LVDS Transmiter */ viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr = VT1636_LVDS_I2C_ADDR; /* Check vendor ID first: */ viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info. lvds_chip_slave_addr, 0x00, &Buffer[0]); viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info. lvds_chip_slave_addr, 0x01, &Buffer[1]); if (!((Buffer[0] == 0x06) && (Buffer[1] == 0x11))) return false; /* Check Chip ID: */ viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info. lvds_chip_slave_addr, 0x02, &Buffer[0]); viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info. lvds_chip_slave_addr, 0x03, &Buffer[1]); if ((Buffer[0] == 0x45) && (Buffer[1] == 0x33)) { viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = VT1636_LVDS; return true; } return false; }