// SPDX-License-Identifier: GPL-2.0-or-later /* * cx18 I2C functions * * Derived from ivtv-i2c.c * * Copyright (C) 2007 Hans Verkuil <[email protected]> * Copyright (C) 2008 Andy Walls <[email protected]> */ #include "cx18-driver.h" #include "cx18-io.h" #include "cx18-cards.h" #include "cx18-gpio.h" #include "cx18-i2c.h" #include "cx18-irq.h" #define CX18_REG_I2C_1_WR … #define CX18_REG_I2C_1_RD … #define CX18_REG_I2C_2_WR … #define CX18_REG_I2C_2_RD … #define SETSCL_BIT … #define SETSDL_BIT … #define GETSCL_BIT … #define GETSDL_BIT … #define CX18_CS5345_I2C_ADDR … #define CX18_Z8F0811_IR_TX_I2C_ADDR … #define CX18_Z8F0811_IR_RX_I2C_ADDR … /* This array should match the CX18_HW_ defines */ static const u8 hw_addrs[] = …; /* This array should match the CX18_HW_ defines */ /* This might well become a card-specific array */ static const u8 hw_bus[] = …; /* This array should match the CX18_HW_ defines */ static const char * const hw_devicenames[] = …; static int cx18_i2c_new_ir(struct cx18 *cx, struct i2c_adapter *adap, u32 hw, const char *type, u8 addr) { … } int cx18_i2c_register(struct cx18 *cx, unsigned idx) { … } /* Find the first member of the subdev group id in hw */ struct v4l2_subdev *cx18_find_hw(struct cx18 *cx, u32 hw) { … } static void cx18_setscl(void *data, int state) { … } static void cx18_setsda(void *data, int state) { … } static int cx18_getscl(void *data) { … } static int cx18_getsda(void *data) { … } /* template for i2c-bit-algo */ static const struct i2c_adapter cx18_i2c_adap_template = …; #define CX18_SCL_PERIOD … #define CX18_ALGO_BIT_TIMEOUT … static const struct i2c_algo_bit_data cx18_i2c_algo_template = …; /* init + register i2c adapter */ int init_cx18_i2c(struct cx18 *cx) { … } void exit_cx18_i2c(struct cx18 *cx) { … } /* Hauppauge HVR1600 should have: 32 cx24227 98 unknown a0 eeprom c2 tuner e? zilog ir */
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