// SPDX-License-Identifier: GPL-2.0-only /* * i2c-ali1563.c - i2c driver for the ALi 1563 Southbridge * * Copyright (C) 2004 Patrick Mochel * 2005 Rudolf Marek <[email protected]> * * The 1563 southbridge is deceptively similar to the 1533, with a * few notable exceptions. One of those happens to be the fact they * upgraded the i2c core to be 2.0 compliant, and happens to be almost * identical to the i2c controller found in the Intel 801 south * bridges. * * This driver is based on a mix of the 15x3, 1535, and i801 drivers, * with a little help from the ALi 1563 spec. */ #include <linux/module.h> #include <linux/delay.h> #include <linux/i2c.h> #include <linux/pci.h> #include <linux/acpi.h> #define ALI1563_MAX_TIMEOUT … #define ALI1563_SMBBA … #define ALI1563_SMB_IOEN … #define ALI1563_SMB_HOSTEN … #define ALI1563_SMB_IOSIZE … #define SMB_HST_STS … #define SMB_HST_CNTL1 … #define SMB_HST_CNTL2 … #define SMB_HST_CMD … #define SMB_HST_ADD … #define SMB_HST_DAT0 … #define SMB_HST_DAT1 … #define SMB_BLK_DAT … #define HST_STS_BUSY … #define HST_STS_INTR … #define HST_STS_DEVERR … #define HST_STS_BUSERR … #define HST_STS_FAIL … #define HST_STS_DONE … #define HST_STS_BAD … #define HST_CNTL1_TIMEOUT … #define HST_CNTL1_LAST … #define HST_CNTL2_KILL … #define HST_CNTL2_START … #define HST_CNTL2_QUICK … #define HST_CNTL2_BYTE … #define HST_CNTL2_BYTE_DATA … #define HST_CNTL2_WORD_DATA … #define HST_CNTL2_BLOCK … #define HST_CNTL2_SIZEMASK … static struct pci_driver ali1563_pci_driver; static unsigned short ali1563_smba; static int ali1563_transaction(struct i2c_adapter *a, int size) { … } static int ali1563_block_start(struct i2c_adapter *a) { … } static int ali1563_block(struct i2c_adapter *a, union i2c_smbus_data *data, u8 rw) { … } static s32 ali1563_access(struct i2c_adapter *a, u16 addr, unsigned short flags, char rw, u8 cmd, int size, union i2c_smbus_data *data) { … } static u32 ali1563_func(struct i2c_adapter *a) { … } static int ali1563_setup(struct pci_dev *dev) { … } static void ali1563_shutdown(struct pci_dev *dev) { … } static const struct i2c_algorithm ali1563_algorithm = …; static struct i2c_adapter ali1563_adapter = …; static int ali1563_probe(struct pci_dev *dev, const struct pci_device_id *id_table) { … } static void ali1563_remove(struct pci_dev *dev) { … } static const struct pci_device_id ali1563_id_table[] = …; MODULE_DEVICE_TABLE(pci, ali1563_id_table); static struct pci_driver ali1563_pci_driver = …; module_pci_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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