^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0+ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2017-2020 Jacopo Mondi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2017-2020 Kieran Bingham
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2017-2020 Laurent Pinchart
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2017-2020 Niklas Söderlund
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (C) 2016 Renesas Electronics Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright (C) 2015 Cogent Embedded, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define MAX9271_DEFAULT_ADDR 0x40
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) /* Register 0x02 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define MAX9271_SPREAD_SPECT_0 (0 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define MAX9271_SPREAD_SPECT_05 (1 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define MAX9271_SPREAD_SPECT_15 (2 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define MAX9271_SPREAD_SPECT_1 (5 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define MAX9271_SPREAD_SPECT_2 (3 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define MAX9271_SPREAD_SPECT_3 (6 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define MAX9271_SPREAD_SPECT_4 (7 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define MAX9271_R02_RES BIT(4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define MAX9271_PCLK_AUTODETECT (3 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define MAX9271_SERIAL_AUTODETECT (0x03)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /* Register 0x04 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define MAX9271_SEREN BIT(7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define MAX9271_CLINKEN BIT(6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define MAX9271_PRBSEN BIT(5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define MAX9271_SLEEP BIT(4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define MAX9271_INTTYPE_I2C (0 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define MAX9271_INTTYPE_UART (1 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define MAX9271_INTTYPE_NONE (2 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define MAX9271_REVCCEN BIT(1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define MAX9271_FWDCCEN BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /* Register 0x07 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define MAX9271_DBL BIT(7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define MAX9271_DRS BIT(6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define MAX9271_BWS BIT(5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define MAX9271_ES BIT(4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define MAX9271_HVEN BIT(2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define MAX9271_EDC_1BIT_PARITY (0 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define MAX9271_EDC_6BIT_CRC (1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define MAX9271_EDC_6BIT_HAMMING (2 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) /* Register 0x08 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define MAX9271_INVVS BIT(7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define MAX9271_INVHS BIT(6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define MAX9271_REV_LOGAIN BIT(3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define MAX9271_REV_HIVTH BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) /* Register 0x09 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define MAX9271_ID 0x09
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) /* Register 0x0d */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define MAX9271_I2CLOCACK BIT(7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define MAX9271_I2CSLVSH_1046NS_469NS (3 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define MAX9271_I2CSLVSH_938NS_352NS (2 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define MAX9271_I2CSLVSH_469NS_234NS (1 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define MAX9271_I2CSLVSH_352NS_117NS (0 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define MAX9271_I2CMSTBT_837KBPS (7 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define MAX9271_I2CMSTBT_533KBPS (6 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define MAX9271_I2CMSTBT_339KBPS (5 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define MAX9271_I2CMSTBT_173KBPS (4 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define MAX9271_I2CMSTBT_105KBPS (3 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define MAX9271_I2CMSTBT_84KBPS (2 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define MAX9271_I2CMSTBT_28KBPS (1 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define MAX9271_I2CMSTBT_8KBPS (0 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define MAX9271_I2CSLVTO_NONE (3 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define MAX9271_I2CSLVTO_1024US (2 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define MAX9271_I2CSLVTO_256US (1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define MAX9271_I2CSLVTO_64US (0 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) /* Register 0x0f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define MAX9271_GPIO5OUT BIT(5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define MAX9271_GPIO4OUT BIT(4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define MAX9271_GPIO3OUT BIT(3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #define MAX9271_GPIO2OUT BIT(2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define MAX9271_GPIO1OUT BIT(1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define MAX9271_GPO BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /* Register 0x15 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define MAX9271_PCLKDET BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) * struct max9271_device - max9271 device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) * @client: The i2c client for the max9271 instance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct max9271_device {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct i2c_client *client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) * max9271_set_serial_link() - Enable/disable serial link
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) * @dev: The max9271 device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) * @enable: Serial link enable/disable flag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * Return 0 on success or a negative error code on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) int max9271_set_serial_link(struct max9271_device *dev, bool enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) * max9271_configure_i2c() - Configure I2C bus parameters
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) * @dev: The max9271 device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * @i2c_config: The I2C bus configuration bit mask
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) * Configure MAX9271 I2C interface. The bus configuration provided in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) * @i2c_config parameter shall be assembled using bit values defined by the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) * MAX9271_I2C* macros.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) * Return 0 on success or a negative error code on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) int max9271_configure_i2c(struct max9271_device *dev, u8 i2c_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) * max9271_set_high_threshold() - Enable or disable reverse channel high
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) * threshold
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) * @dev: The max9271 device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) * @enable: High threshold enable/disable flag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) * Return 0 on success or a negative error code on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) int max9271_set_high_threshold(struct max9271_device *dev, bool enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) * max9271_configure_gmsl_link() - Configure the GMSL link
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) * @dev: The max9271 device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) * FIXME: the GMSL link configuration is currently hardcoded and performed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) * by programming registers 0x04, 0x07 and 0x02.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) * Return 0 on success or a negative error code on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) int max9271_configure_gmsl_link(struct max9271_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) * max9271_set_gpios() - Set gpio lines to physical high value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) * @dev: The max9271 device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) * @gpio_mask: The mask of gpio lines to set to high value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) * The @gpio_mask parameter shall be assembled using the MAX9271_GP[IO|O]*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) * bit values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * Return 0 on success or a negative error code on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) int max9271_set_gpios(struct max9271_device *dev, u8 gpio_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) * max9271_clear_gpios() - Set gpio lines to physical low value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) * @dev: The max9271 device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) * @gpio_mask: The mask of gpio lines to set to low value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) * The @gpio_mask parameter shall be assembled using the MAX9271_GP[IO|O]*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) * bit values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) * Return 0 on success or a negative error code on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) int max9271_clear_gpios(struct max9271_device *dev, u8 gpio_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) * max9271_enable_gpios() - Enable gpio lines
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) * @dev: The max9271 device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) * @gpio_mask: The mask of gpio lines to enable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) * The @gpio_mask parameter shall be assembled using the MAX9271_GPIO*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) * bit values. GPO line is always enabled by default.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) * Return 0 on success or a negative error code on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) int max9271_enable_gpios(struct max9271_device *dev, u8 gpio_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) * max9271_disable_gpios() - Disable gpio lines
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) * @dev: The max9271 device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) * @gpio_mask: The mask of gpio lines to disable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) * The @gpio_mask parameter shall be assembled using the MAX9271_GPIO*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) * bit values. GPO line is always enabled by default and cannot be disabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) * Return 0 on success or a negative error code on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) int max9271_disable_gpios(struct max9271_device *dev, u8 gpio_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) * max9271_verify_id() - Read and verify MAX9271 id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) * @dev: The max9271 device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) * Return 0 on success or a negative error code on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) int max9271_verify_id(struct max9271_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) * max9271_set_address() - Program a new I2C address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) * @dev: The max9271 device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) * @addr: The new I2C address in 7-bit format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) * This function only takes care of programming the new I2C address @addr to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) * in the MAX9271 chip registers, it is responsiblity of the caller to set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) * the i2c address client to the @addr value to be able to communicate with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) * the MAX9271 chip using the I2C framework APIs after this function returns.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) * Return 0 on success or a negative error code on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) int max9271_set_address(struct max9271_device *dev, u8 addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) * max9271_set_deserializer_address() - Program the remote deserializer address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) * @dev: The max9271 device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) * @addr: The deserializer I2C address in 7-bit format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) * Return 0 on success or a negative error code on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) int max9271_set_deserializer_address(struct max9271_device *dev, u8 addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) * max9271_set_translation() - Program I2C address translation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) * @dev: The max9271 device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) * @source: The I2C source address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) * @dest: The I2C destination address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) * Program address translation from @source to @dest. This is required to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) * communicate with local devices that do not support address reprogramming.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) * TODO: The device supports translation of two address, this function currently
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) * supports a single one.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) * Return 0 on success or a negative error code on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) int max9271_set_translation(struct max9271_device *dev, u8 source, u8 dest);