// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd. */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/fs.h> #include <linux/uaccess.h> #include <linux/string.h> #include <linux/pci.h> #include <linux/io.h> #include <linux/delay.h> #include <linux/mutex.h> #include <linux/if_ether.h> #include <linux/ctype.h> #include <linux/dmi.h> #include <linux/of.h> #define PHUB_STATUS … #define PHUB_CONTROL … #define PHUB_TIMEOUT … #define PCH_PHUB_ROM_WRITE_ENABLE … #define PCH_PHUB_ROM_WRITE_DISABLE … #define PCH_PHUB_MAC_START_ADDR_EG20T … #define PCH_PHUB_MAC_START_ADDR_ML7223 … #define PCH_PHUB_ROM_START_ADDR_EG20T … #define PCH_PHUB_ROM_START_ADDR_ML7213 … #define PCH_PHUB_ROM_START_ADDR_ML7223 … /* MAX number of INT_REDUCE_CONTROL registers */ #define MAX_NUM_INT_REDUCE_CONTROL_REG … #define PCI_DEVICE_ID_PCH1_PHUB … #define PCH_MINOR_NOS … #define CLKCFG_CAN_50MHZ … #define CLKCFG_CANCLK_MASK … #define CLKCFG_UART_MASK … /* CM-iTC */ #define CLKCFG_UART_48MHZ … #define CLKCFG_UART_25MHZ … #define CLKCFG_BAUDDIV … #define CLKCFG_PLL2VCO … #define CLKCFG_UARTCLKSEL … /* Macros for ML7213 */ #define PCI_DEVICE_ID_ROHM_ML7213_PHUB … /* Macros for ML7223 */ #define PCI_DEVICE_ID_ROHM_ML7223_mPHUB … #define PCI_DEVICE_ID_ROHM_ML7223_nPHUB … /* Macros for ML7831 */ #define PCI_DEVICE_ID_ROHM_ML7831_PHUB … /* SROM ACCESS Macro */ #define PCH_WORD_ADDR_MASK … /* Registers address offset */ #define PCH_PHUB_ID_REG … #define PCH_PHUB_QUEUE_PRI_VAL_REG … #define PCH_PHUB_RC_QUEUE_MAXSIZE_REG … #define PCH_PHUB_BRI_QUEUE_MAXSIZE_REG … #define PCH_PHUB_COMP_RESP_TIMEOUT_REG … #define PCH_PHUB_BUS_SLAVE_CONTROL_REG … #define PCH_PHUB_DEADLOCK_AVOID_TYPE_REG … #define PCH_PHUB_INTPIN_REG_WPERMIT_REG0 … #define PCH_PHUB_INTPIN_REG_WPERMIT_REG1 … #define PCH_PHUB_INTPIN_REG_WPERMIT_REG2 … #define PCH_PHUB_INTPIN_REG_WPERMIT_REG3 … #define PCH_PHUB_INT_REDUCE_CONTROL_REG_BASE … #define CLKCFG_REG_OFFSET … #define FUNCSEL_REG_OFFSET … #define PCH_PHUB_OROM_SIZE … /** * struct pch_phub_reg - PHUB register structure * @phub_id_reg: PHUB_ID register val * @q_pri_val_reg: QUEUE_PRI_VAL register val * @rc_q_maxsize_reg: RC_QUEUE_MAXSIZE register val * @bri_q_maxsize_reg: BRI_QUEUE_MAXSIZE register val * @comp_resp_timeout_reg: COMP_RESP_TIMEOUT register val * @bus_slave_control_reg: BUS_SLAVE_CONTROL_REG register val * @deadlock_avoid_type_reg: DEADLOCK_AVOID_TYPE register val * @intpin_reg_wpermit_reg0: INTPIN_REG_WPERMIT register 0 val * @intpin_reg_wpermit_reg1: INTPIN_REG_WPERMIT register 1 val * @intpin_reg_wpermit_reg2: INTPIN_REG_WPERMIT register 2 val * @intpin_reg_wpermit_reg3: INTPIN_REG_WPERMIT register 3 val * @int_reduce_control_reg: INT_REDUCE_CONTROL registers val * @clkcfg_reg: CLK CFG register val * @funcsel_reg: Function select register value * @pch_phub_base_address: Register base address * @pch_phub_extrom_base_address: external rom base address * @pch_mac_start_address: MAC address area start address * @pch_opt_rom_start_address: Option ROM start address * @ioh_type: Save IOH type * @pdev: pointer to pci device struct */ struct pch_phub_reg { … }; /* SROM SPEC for MAC address assignment offset */ static const int pch_phub_mac_offset[ETH_ALEN] = …; static DEFINE_MUTEX(pch_phub_mutex); /** * pch_phub_read_modify_write_reg() - Reading modifying and writing register * @chip: Pointer to the PHUB register structure * @reg_addr_offset: Register offset address value. * @data: Writing value. * @mask: Mask value. */ static void pch_phub_read_modify_write_reg(struct pch_phub_reg *chip, unsigned int reg_addr_offset, unsigned int data, unsigned int mask) { … } /* pch_phub_save_reg_conf - saves register configuration */ static void __maybe_unused pch_phub_save_reg_conf(struct pci_dev *pdev) { … } /* pch_phub_restore_reg_conf - restore register configuration */ static void __maybe_unused pch_phub_restore_reg_conf(struct pci_dev *pdev) { … } /** * pch_phub_read_serial_rom() - Reading Serial ROM * @chip: Pointer to the PHUB register structure * @offset_address: Serial ROM offset address to read. * @data: Read buffer for specified Serial ROM value. */ static void pch_phub_read_serial_rom(struct pch_phub_reg *chip, unsigned int offset_address, u8 *data) { … } /** * pch_phub_write_serial_rom() - Writing Serial ROM * @chip: Pointer to the PHUB register structure * @offset_address: Serial ROM offset address. * @data: Serial ROM value to write. */ static int pch_phub_write_serial_rom(struct pch_phub_reg *chip, unsigned int offset_address, u8 data) { … } /** * pch_phub_read_serial_rom_val() - Read Serial ROM value * @chip: Pointer to the PHUB register structure * @offset_address: Serial ROM address offset value. * @data: Serial ROM value to read. */ static void pch_phub_read_serial_rom_val(struct pch_phub_reg *chip, unsigned int offset_address, u8 *data) { … } /** * pch_phub_write_serial_rom_val() - writing Serial ROM value * @chip: Pointer to the PHUB register structure * @offset_address: Serial ROM address offset value. * @data: Serial ROM value. */ static int pch_phub_write_serial_rom_val(struct pch_phub_reg *chip, unsigned int offset_address, u8 data) { … } /* pch_phub_gbe_serial_rom_conf - makes Serial ROM header format configuration * for Gigabit Ethernet MAC address */ static int pch_phub_gbe_serial_rom_conf(struct pch_phub_reg *chip) { … } /* pch_phub_gbe_serial_rom_conf_mp - makes SerialROM header format configuration * for Gigabit Ethernet MAC address */ static int pch_phub_gbe_serial_rom_conf_mp(struct pch_phub_reg *chip) { … } /** * pch_phub_read_gbe_mac_addr() - Read Gigabit Ethernet MAC address * @chip: Pointer to the PHUB register structure * @data: Buffer of the Gigabit Ethernet MAC address value. */ static void pch_phub_read_gbe_mac_addr(struct pch_phub_reg *chip, u8 *data) { … } /** * pch_phub_write_gbe_mac_addr() - Write MAC address * @chip: Pointer to the PHUB register structure * @data: Gigabit Ethernet MAC address value. */ static int pch_phub_write_gbe_mac_addr(struct pch_phub_reg *chip, u8 *data) { … } static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t count) { … } static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t count) { … } static ssize_t show_pch_mac(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static DEVICE_ATTR(pch_mac, S_IRUGO | S_IWUSR, show_pch_mac, store_pch_mac); static const struct bin_attribute pch_bin_attr = …; static int pch_phub_probe(struct pci_dev *pdev, const struct pci_device_id *id) { … } static void pch_phub_remove(struct pci_dev *pdev) { … } static int __maybe_unused pch_phub_suspend(struct device *dev_d) { … } static int __maybe_unused pch_phub_resume(struct device *dev_d) { … } static const struct pci_device_id pch_phub_pcidev_id[] = …; MODULE_DEVICE_TABLE(pci, pch_phub_pcidev_id); static SIMPLE_DEV_PM_OPS(pch_phub_pm_ops, pch_phub_suspend, pch_phub_resume); static struct pci_driver pch_phub_driver = …; module_pci_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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