/* * Copyright © 2010 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Authors: * Li Peng <[email protected]> */ #include <linux/export.h> #include <linux/mutex.h> #include <linux/pci.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/delay.h> #include "psb_drv.h" #define HDMI_READ(reg) … #define HDMI_WRITE(reg, val) … #define HDMI_HCR … #define HCR_DETECT_HDP … #define HCR_ENABLE_HDCP … #define HCR_ENABLE_AUDIO … #define HCR_ENABLE_PIXEL … #define HCR_ENABLE_TMDS … #define HDMI_HICR … #define HDMI_INTR_I2C_ERROR … #define HDMI_INTR_I2C_FULL … #define HDMI_INTR_I2C_DONE … #define HDMI_INTR_HPD … #define HDMI_HSR … #define HDMI_HISR … #define HDMI_HI2CRDB0 … #define HDMI_HI2CHCR … #define HI2C_HDCP_WRITE … #define HI2C_HDCP_RI_READ … #define HI2C_HDCP_READ … #define HI2C_EDID_READ … #define HI2C_READ_CONTINUE … #define HI2C_ENABLE_TRANSACTION … #define HDMI_ICRH … #define HDMI_HI2CTDR0 … #define HDMI_HI2CTDR1 … #define I2C_STAT_INIT … #define I2C_READ_DONE … #define I2C_TRANSACTION_DONE … struct hdmi_i2c_dev { … }; static void hdmi_i2c_irq_enable(struct oaktrail_hdmi_dev *hdmi_dev) { … } static void hdmi_i2c_irq_disable(struct oaktrail_hdmi_dev *hdmi_dev) { … } static int xfer_read(struct i2c_adapter *adap, struct i2c_msg *pmsg) { … } static int xfer_write(struct i2c_adapter *adap, struct i2c_msg *pmsg) { … } static int oaktrail_hdmi_i2c_access(struct i2c_adapter *adap, struct i2c_msg *pmsg, int num) { … } static u32 oaktrail_hdmi_i2c_func(struct i2c_adapter *adapter) { … } static const struct i2c_algorithm oaktrail_hdmi_i2c_algorithm = …; static struct i2c_adapter oaktrail_hdmi_i2c_adapter = …; static void hdmi_i2c_read(struct oaktrail_hdmi_dev *hdmi_dev) { … } static void hdmi_i2c_transaction_done(struct oaktrail_hdmi_dev *hdmi_dev) { … } static irqreturn_t oaktrail_hdmi_i2c_handler(int this_irq, void *dev) { … } /* * choose alternate function 2 of GPIO pin 52, 53, * which is used by HDMI I2C logic */ static void oaktrail_hdmi_i2c_gpio_fix(void) { … } int oaktrail_hdmi_i2c_init(struct pci_dev *dev) { … } void oaktrail_hdmi_i2c_exit(struct pci_dev *dev) { … }
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