// SPDX-License-Identifier: GPL-2.0 /* * R8A66597 HCD (Host Controller Driver) * * Copyright (C) 2006-2007 Renesas Solutions Corp. * Portions Copyright (C) 2004 Psion Teklogix (for NetBook PRO) * Portions Copyright (C) 2004-2005 David Brownell * Portions Copyright (C) 1999 Roman Weissgaerber * * Author : Yoshihiro Shimoda <[email protected]> */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/errno.h> #include <linux/timer.h> #include <linux/delay.h> #include <linux/list.h> #include <linux/interrupt.h> #include <linux/usb.h> #include <linux/usb/hcd.h> #include <linux/platform_device.h> #include <linux/io.h> #include <linux/mm.h> #include <linux/irq.h> #include <linux/slab.h> #include <asm/cacheflush.h> #include "r8a66597.h" MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_AUTHOR(…) …; MODULE_ALIAS(…) …; #define DRIVER_VERSION … static const char hcd_name[] = …; static void packet_write(struct r8a66597 *r8a66597, u16 pipenum); static int r8a66597_get_frame(struct usb_hcd *hcd); /* this function must be called with interrupt disabled */ static void enable_pipe_irq(struct r8a66597 *r8a66597, u16 pipenum, unsigned long reg) { … } /* this function must be called with interrupt disabled */ static void disable_pipe_irq(struct r8a66597 *r8a66597, u16 pipenum, unsigned long reg) { … } static void set_devadd_reg(struct r8a66597 *r8a66597, u8 r8a66597_address, u16 usbspd, u8 upphub, u8 hubport, int port) { … } static int r8a66597_clock_enable(struct r8a66597 *r8a66597) { … } static void r8a66597_clock_disable(struct r8a66597 *r8a66597) { … } static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port) { … } static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port) { … } static int enable_controller(struct r8a66597 *r8a66597) { … } static void disable_controller(struct r8a66597 *r8a66597) { … } static int get_parent_r8a66597_address(struct r8a66597 *r8a66597, struct usb_device *udev) { … } static int is_child_device(char *devpath) { … } static int is_hub_limit(char *devpath) { … } static void get_port_number(struct r8a66597 *r8a66597, char *devpath, u16 *root_port, u16 *hub_port) { … } static u16 get_r8a66597_usb_speed(enum usb_device_speed speed) { … } static void set_child_connect_map(struct r8a66597 *r8a66597, int address) { … } static void put_child_connect_map(struct r8a66597 *r8a66597, int address) { … } static void set_pipe_reg_addr(struct r8a66597_pipe *pipe, u8 dma_ch) { … } static struct r8a66597_device * get_urb_to_r8a66597_dev(struct r8a66597 *r8a66597, struct urb *urb) { … } static int make_r8a66597_device(struct r8a66597 *r8a66597, struct urb *urb, u8 addr) { … } /* this function must be called with interrupt disabled */ static u8 alloc_usb_address(struct r8a66597 *r8a66597, struct urb *urb) { … } /* this function must be called with interrupt disabled */ static void free_usb_address(struct r8a66597 *r8a66597, struct r8a66597_device *dev, int reset) { … } static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg, u16 mask, u16 loop) { … } /* this function must be called with interrupt disabled */ static void pipe_start(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe) { … } /* this function must be called with interrupt disabled */ static void pipe_stop(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe) { … } /* this function must be called with interrupt disabled */ static void clear_all_buffer(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe) { … } /* this function must be called with interrupt disabled */ static void r8a66597_pipe_toggle(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe, int toggle) { … } static inline unsigned short mbw_value(struct r8a66597 *r8a66597) { … } /* this function must be called with interrupt disabled */ static inline void cfifo_change(struct r8a66597 *r8a66597, u16 pipenum) { … } /* this function must be called with interrupt disabled */ static inline void fifo_change_from_pipe(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe) { … } static u16 r8a66597_get_pipenum(struct urb *urb, struct usb_host_endpoint *hep) { … } static u16 get_urb_to_r8a66597_addr(struct r8a66597 *r8a66597, struct urb *urb) { … } static unsigned short *get_toggle_pointer(struct r8a66597_device *dev, int urb_pipe) { … } /* this function must be called with interrupt disabled */ static void pipe_toggle_set(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe, struct urb *urb, int set) { … } /* this function must be called with interrupt disabled */ static void pipe_toggle_save(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe, struct urb *urb) { … } /* this function must be called with interrupt disabled */ static void pipe_toggle_restore(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe, struct urb *urb) { … } /* this function must be called with interrupt disabled */ static void pipe_buffer_setting(struct r8a66597 *r8a66597, struct r8a66597_pipe_info *info) { … } /* this function must be called with interrupt disabled */ static void pipe_setting(struct r8a66597 *r8a66597, struct r8a66597_td *td) { … } /* this function must be called with interrupt disabled */ static u16 get_empty_pipenum(struct r8a66597 *r8a66597, struct usb_endpoint_descriptor *ep) { … } static u16 get_r8a66597_type(__u8 type) { … } static u16 get_bufnum(u16 pipenum) { … } static u16 get_buf_bsize(u16 pipenum) { … } /* this function must be called with interrupt disabled */ static void enable_r8a66597_pipe_dma(struct r8a66597 *r8a66597, struct r8a66597_device *dev, struct r8a66597_pipe *pipe, struct urb *urb) { … } /* this function must be called with interrupt disabled */ static void enable_r8a66597_pipe(struct r8a66597 *r8a66597, struct urb *urb, struct usb_host_endpoint *hep, struct r8a66597_pipe_info *info) { … } static void r8a66597_urb_done(struct r8a66597 *r8a66597, struct urb *urb, int status) __releases(r8a66597->lock) __acquires(r8a66597->lock) { … } /* this function must be called with interrupt disabled */ static void force_dequeue(struct r8a66597 *r8a66597, u16 pipenum, u16 address) { … } /* this function must be called with interrupt disabled */ static void disable_r8a66597_pipe_all(struct r8a66597 *r8a66597, struct r8a66597_device *dev) { … } static u16 get_interval(struct urb *urb, __u8 interval) { … } static unsigned long get_timer_interval(struct urb *urb, __u8 interval) { … } /* this function must be called with interrupt disabled */ static void init_pipe_info(struct r8a66597 *r8a66597, struct urb *urb, struct usb_host_endpoint *hep, struct usb_endpoint_descriptor *ep) { … } static void init_pipe_config(struct r8a66597 *r8a66597, struct urb *urb) { … } static void pipe_irq_enable(struct r8a66597 *r8a66597, struct urb *urb, u16 pipenum) { … } static void pipe_irq_disable(struct r8a66597 *r8a66597, u16 pipenum) { … } static void r8a66597_root_hub_start_polling(struct r8a66597 *r8a66597) { … } static void start_root_hub_sampling(struct r8a66597 *r8a66597, int port, int connect) { … } /* this function must be called with interrupt disabled */ static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port, u16 syssts) __releases(r8a66597->lock) __acquires(r8a66597->lock) { … } /* this function must be called with interrupt disabled */ static void r8a66597_usb_connect(struct r8a66597 *r8a66597, int port) { … } /* this function must be called with interrupt disabled */ static void r8a66597_usb_disconnect(struct r8a66597 *r8a66597, int port) { … } /* this function must be called with interrupt disabled */ static void prepare_setup_packet(struct r8a66597 *r8a66597, struct r8a66597_td *td) { … } /* this function must be called with interrupt disabled */ static void prepare_packet_read(struct r8a66597 *r8a66597, struct r8a66597_td *td) { … } /* this function must be called with interrupt disabled */ static void prepare_packet_write(struct r8a66597 *r8a66597, struct r8a66597_td *td) { … } /* this function must be called with interrupt disabled */ static void prepare_status_packet(struct r8a66597 *r8a66597, struct r8a66597_td *td) { … } static int is_set_address(unsigned char *setup_packet) { … } /* this function must be called with interrupt disabled */ static int start_transfer(struct r8a66597 *r8a66597, struct r8a66597_td *td) { … } static int check_transfer_finish(struct r8a66597_td *td, struct urb *urb) { … } /* this function must be called with interrupt disabled */ static void set_td_timer(struct r8a66597 *r8a66597, struct r8a66597_td *td) { … } /* this function must be called with interrupt disabled */ static void finish_request(struct r8a66597 *r8a66597, struct r8a66597_td *td, u16 pipenum, struct urb *urb, int status) __releases(r8a66597->lock) __acquires(r8a66597->lock) { … } static void packet_read(struct r8a66597 *r8a66597, u16 pipenum) { … } static void packet_write(struct r8a66597 *r8a66597, u16 pipenum) { … } static void check_next_phase(struct r8a66597 *r8a66597, int status) { … } static int get_urb_error(struct r8a66597 *r8a66597, u16 pipenum) { … } static void irq_pipe_ready(struct r8a66597 *r8a66597) { … } static void irq_pipe_empty(struct r8a66597 *r8a66597) { … } static void irq_pipe_nrdy(struct r8a66597 *r8a66597) { … } static irqreturn_t r8a66597_irq(struct usb_hcd *hcd) { … } /* this function must be called with interrupt disabled */ static void r8a66597_root_hub_control(struct r8a66597 *r8a66597, int port) { … } static void r8a66597_interval_timer(struct timer_list *t) { … } static void r8a66597_td_timer(struct timer_list *t) { … } static void r8a66597_timer(struct timer_list *t) { … } static int check_pipe_config(struct r8a66597 *r8a66597, struct urb *urb) { … } static int r8a66597_start(struct usb_hcd *hcd) { … } static void r8a66597_stop(struct usb_hcd *hcd) { … } static void set_address_zero(struct r8a66597 *r8a66597, struct urb *urb) { … } static struct r8a66597_td *r8a66597_make_td(struct r8a66597 *r8a66597, struct urb *urb, struct usb_host_endpoint *hep) { … } static int r8a66597_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags) { … } static int r8a66597_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) { … } static void r8a66597_endpoint_disable(struct usb_hcd *hcd, struct usb_host_endpoint *hep) __acquires(r8a66597->lock) __releases(r8a66597->lock) { … } static int r8a66597_get_frame(struct usb_hcd *hcd) { … } static void collect_usb_address_map(struct usb_device *udev, unsigned long *map) { … } /* this function must be called with interrupt disabled */ static struct r8a66597_device *get_r8a66597_device(struct r8a66597 *r8a66597, int addr) { … } static void update_usb_address_map(struct r8a66597 *r8a66597, struct usb_device *root_hub, unsigned long *map) { … } static void r8a66597_check_detect_child(struct r8a66597 *r8a66597, struct usb_hcd *hcd) { … } static int r8a66597_hub_status_data(struct usb_hcd *hcd, char *buf) { … } static void r8a66597_hub_descriptor(struct r8a66597 *r8a66597, struct usb_hub_descriptor *desc) { … } static int r8a66597_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex, char *buf, u16 wLength) { … } #if defined(CONFIG_PM) static int r8a66597_bus_suspend(struct usb_hcd *hcd) { … } static int r8a66597_bus_resume(struct usb_hcd *hcd) { … } #else #define r8a66597_bus_suspend … #define r8a66597_bus_resume … #endif static const struct hc_driver r8a66597_hc_driver = …; #if defined(CONFIG_PM) static int r8a66597_suspend(struct device *dev) { … } static int r8a66597_resume(struct device *dev) { … } static const struct dev_pm_ops r8a66597_dev_pm_ops = …; #define R8A66597_DEV_PM_OPS … #else /* if defined(CONFIG_PM) */ #define R8A66597_DEV_PM_OPS … #endif static void r8a66597_remove(struct platform_device *pdev) { … } static int r8a66597_probe(struct platform_device *pdev) { … } static struct platform_driver r8a66597_driver = …; module_platform_driver(…) …;
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