// SPDX-License-Identifier: GPL-2.0-or-later /* cx231xx_avcore.c - driver for Conexant Cx23100/101/102 USB video capture devices Copyright (C) 2008 <srinivasa.deevi at conexant dot com> This program contains the specific code to control the avdecoder chip and other related usb control functions for cx231xx based chipset. */ #include "cx231xx.h" #include <linux/init.h> #include <linux/list.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/bitmap.h> #include <linux/i2c.h> #include <linux/mm.h> #include <linux/mutex.h> #include <media/tuner.h> #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> #include "cx231xx-dif.h" #define TUNER_MODE_FM_RADIO … /****************************************************************************** -: BLOCK ARRANGEMENT :- I2S block ----------------------| [I2S audio] | | Analog Front End --> Direct IF -|-> Cx25840 --> Audio [video & audio] | [Audio] | |-> Cx25840 --> Video [Video] *******************************************************************************/ /****************************************************************************** * VERVE REGISTER * * * ******************************************************************************/ static int verve_write_byte(struct cx231xx *dev, u8 saddr, u8 data) { … } static int verve_read_byte(struct cx231xx *dev, u8 saddr, u8 *data) { … } void initGPIO(struct cx231xx *dev) { … } void uninitGPIO(struct cx231xx *dev) { … } /****************************************************************************** * A F E - B L O C K C O N T R O L functions * * [ANALOG FRONT END] * ******************************************************************************/ static int afe_write_byte(struct cx231xx *dev, u16 saddr, u8 data) { … } static int afe_read_byte(struct cx231xx *dev, u16 saddr, u8 *data) { … } int cx231xx_afe_init_super_block(struct cx231xx *dev, u32 ref_count) { … } int cx231xx_afe_init_channels(struct cx231xx *dev) { … } int cx231xx_afe_setup_AFE_for_baseband(struct cx231xx *dev) { … } /* The Analog Front End in Cx231xx has 3 channels. These channels are used to share between different inputs like tuner, s-video and composite inputs. channel 1 ----- pin 1 to pin4(in reg is 1-4) channel 2 ----- pin 5 to pin8(in reg is 5-8) channel 3 ----- pin 9 to pin 12(in reg is 9-11) */ int cx231xx_afe_set_input_mux(struct cx231xx *dev, u32 input_mux) { … } int cx231xx_afe_set_mode(struct cx231xx *dev, enum AFE_MODE mode) { … } int cx231xx_afe_update_power_control(struct cx231xx *dev, enum AV_MODE avmode) { … } int cx231xx_afe_adjust_ref_count(struct cx231xx *dev, u32 video_input) { … } /****************************************************************************** * V I D E O / A U D I O D E C O D E R C O N T R O L functions * ******************************************************************************/ static int vid_blk_write_byte(struct cx231xx *dev, u16 saddr, u8 data) { … } static int vid_blk_read_byte(struct cx231xx *dev, u16 saddr, u8 *data) { … } static int vid_blk_write_word(struct cx231xx *dev, u16 saddr, u32 data) { … } static int vid_blk_read_word(struct cx231xx *dev, u16 saddr, u32 *data) { … } int cx231xx_check_fw(struct cx231xx *dev) { … } int cx231xx_set_video_input_mux(struct cx231xx *dev, u8 input) { … } int cx231xx_set_decoder_video_input(struct cx231xx *dev, u8 pin_type, u8 input) { … } void cx231xx_enable656(struct cx231xx *dev) { … } EXPORT_SYMBOL_GPL(…); void cx231xx_disable656(struct cx231xx *dev) { … } EXPORT_SYMBOL_GPL(…); /* * Handle any video-mode specific overrides that are different * on a per video standards basis after touching the MODE_CTRL * register which resets many values for autodetect */ int cx231xx_do_mode_ctrl_overrides(struct cx231xx *dev) { … } int cx231xx_unmute_audio(struct cx231xx *dev) { … } EXPORT_SYMBOL_GPL(…); static int stopAudioFirmware(struct cx231xx *dev) { … } static int restartAudioFirmware(struct cx231xx *dev) { … } int cx231xx_set_audio_input(struct cx231xx *dev, u8 input) { … } int cx231xx_set_audio_decoder_input(struct cx231xx *dev, enum AUDIO_INPUT audio_input) { … } /****************************************************************************** * C H I P Specific C O N T R O L functions * ******************************************************************************/ int cx231xx_init_ctrl_pin_status(struct cx231xx *dev) { … } int cx231xx_set_agc_analog_digital_mux_select(struct cx231xx *dev, u8 analog_or_digital) { … } int cx231xx_enable_i2c_port_3(struct cx231xx *dev, bool is_port_3) { … } EXPORT_SYMBOL_GPL(…); void update_HH_register_after_set_DIF(struct cx231xx *dev) { … } void cx231xx_dump_HH_reg(struct cx231xx *dev) { … } #if 0 static void cx231xx_dump_SC_reg(struct cx231xx *dev) { u8 value[4] = { 0, 0, 0, 0 }; dev_dbg(dev->dev, "%s!\n", __func__); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, BOARD_CFG_STAT, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", BOARD_CFG_STAT, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS_MODE_REG, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS_MODE_REG, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS1_CFG_REG, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS1_CFG_REG, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS1_LENGTH_REG, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS1_LENGTH_REG, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS2_CFG_REG, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS2_CFG_REG, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS2_LENGTH_REG, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS2_LENGTH_REG, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, EP_MODE_SET, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", EP_MODE_SET, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_PTN1, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_PTN1, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_PTN2, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_PTN2, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_PTN3, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_PTN3, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_MASK0, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_MASK0, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_MASK1, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_MASK1, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_MASK2, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_MASK2, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_GAIN, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_GAIN, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_CAR_REG, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_CAR_REG, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_OT_CFG1, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_OT_CFG1, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_OT_CFG2, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_OT_CFG2, value[0], value[1], value[2], value[3]); cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, value, 4); dev_dbg(dev->dev, "reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, value[0], value[1], value[2], value[3]); } #endif void cx231xx_Setup_AFE_for_LowIF(struct cx231xx *dev) { … } void cx231xx_set_Colibri_For_LowIF(struct cx231xx *dev, u32 if_freq, u8 spectral_invert, u32 mode) { … } u32 cx231xx_Get_Colibri_CarrierOffset(u32 mode, u32 standerd) { … } void cx231xx_set_DIF_bandpass(struct cx231xx *dev, u32 if_freq, u8 spectral_invert, u32 mode) { … } /****************************************************************************** * D I F - B L O C K C O N T R O L functions * ******************************************************************************/ int cx231xx_dif_configure_C2HH_for_low_IF(struct cx231xx *dev, u32 mode, u32 function_mode, u32 standard) { … } int cx231xx_dif_set_standard(struct cx231xx *dev, u32 standard) { … } int cx231xx_tuner_pre_channel_change(struct cx231xx *dev) { … } int cx231xx_tuner_post_channel_change(struct cx231xx *dev) { … } /****************************************************************************** * I 2 S - B L O C K C O N T R O L functions * ******************************************************************************/ int cx231xx_i2s_blk_initialize(struct cx231xx *dev) { … } int cx231xx_i2s_blk_update_power_control(struct cx231xx *dev, enum AV_MODE avmode) { … } /* set i2s_blk for audio input types */ int cx231xx_i2s_blk_set_audio_input(struct cx231xx *dev, u8 audio_input) { … } /****************************************************************************** * P O W E R C O N T R O L functions * ******************************************************************************/ int cx231xx_set_power_mode(struct cx231xx *dev, enum AV_MODE mode) { … } int cx231xx_power_suspend(struct cx231xx *dev) { … } /****************************************************************************** * S T R E A M C O N T R O L functions * ******************************************************************************/ int cx231xx_start_stream(struct cx231xx *dev, u32 ep_mask) { … } int cx231xx_stop_stream(struct cx231xx *dev, u32 ep_mask) { … } int cx231xx_initialize_stream_xfer(struct cx231xx *dev, u32 media_type) { … } int cx231xx_capture_start(struct cx231xx *dev, int start, u8 media_type) { … } EXPORT_SYMBOL_GPL(…); /***************************************************************************** * G P I O B I T control functions * ******************************************************************************/ static int cx231xx_set_gpio_bit(struct cx231xx *dev, u32 gpio_bit, u32 gpio_val) { … } static int cx231xx_get_gpio_bit(struct cx231xx *dev, u32 gpio_bit, u32 *gpio_val) { … } /* * cx231xx_set_gpio_direction * Sets the direction of the GPIO pin to input or output * * Parameters : * pin_number : The GPIO Pin number to program the direction for * from 0 to 31 * pin_value : The Direction of the GPIO Pin under reference. * 0 = Input direction * 1 = Output direction */ int cx231xx_set_gpio_direction(struct cx231xx *dev, int pin_number, int pin_value) { … } /* * cx231xx_set_gpio_value * Sets the value of the GPIO pin to Logic high or low. The Pin under * reference should ALREADY BE SET IN OUTPUT MODE !!!!!!!!! * * Parameters : * pin_number : The GPIO Pin number to program the direction for * pin_value : The value of the GPIO Pin under reference. * 0 = set it to 0 * 1 = set it to 1 */ int cx231xx_set_gpio_value(struct cx231xx *dev, int pin_number, int pin_value) { … } /***************************************************************************** * G P I O I2C related functions * ******************************************************************************/ int cx231xx_gpio_i2c_start(struct cx231xx *dev) { … } int cx231xx_gpio_i2c_end(struct cx231xx *dev) { … } int cx231xx_gpio_i2c_write_byte(struct cx231xx *dev, u8 data) { … } int cx231xx_gpio_i2c_read_byte(struct cx231xx *dev, u8 *buf) { … } int cx231xx_gpio_i2c_read_ack(struct cx231xx *dev) { … } int cx231xx_gpio_i2c_write_ack(struct cx231xx *dev) { … } int cx231xx_gpio_i2c_write_nak(struct cx231xx *dev) { … } /***************************************************************************** * G P I O I2C related functions * ******************************************************************************/ /* cx231xx_gpio_i2c_read * Function to read data from gpio based I2C interface */ int cx231xx_gpio_i2c_read(struct cx231xx *dev, u8 dev_addr, u8 *buf, u8 len) { … } /* cx231xx_gpio_i2c_write * Function to write data to gpio based I2C interface */ int cx231xx_gpio_i2c_write(struct cx231xx *dev, u8 dev_addr, u8 *buf, u8 len) { … }
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