// SPDX-License-Identifier: GPL-2.0+ /* * NetChip 2280 high/full speed USB device controller. * Unlike many such controllers, this one talks PCI. */ /* * Copyright (C) 2002 NetChip Technology, Inc. (http://www.netchip.com) * Copyright (C) 2003 David Brownell * Copyright (C) 2014 Ricardo Ribalda - Qtechnology/AS */ #include <linux/usb/net2280.h> #include <linux/usb/usb338x.h> /*-------------------------------------------------------------------------*/ #ifdef __KERNEL__ /* indexed registers [11.10] are accessed indirectly * caller must own the device lock. */ static inline u32 get_idx_reg(struct net2280_regs __iomem *regs, u32 index) { … } static inline void set_idx_reg(struct net2280_regs __iomem *regs, u32 index, u32 value) { … } #endif /* __KERNEL__ */ #define PCI_VENDOR_ID_PLX_LEGACY … #define PLX_LEGACY … #define PLX_2280 … #define PLX_SUPERSPEED … #define PLX_PCIE … #define REG_DIAG … #define RETRY_COUNTER … #define FORCE_PCI_SERR … #define FORCE_PCI_INTERRUPT … #define FORCE_USB_INTERRUPT … #define FORCE_CPU_INTERRUPT … #define ILLEGAL_BYTE_ENABLES … #define FAST_TIMES … #define FORCE_RECEIVE_ERROR … #define FORCE_TRANSMIT_CRC_ERROR … #define REG_FRAME … #define REG_CHIPREV … #define REG_HS_NAK_RATE … #define CHIPREV_1 … #define CHIPREV_1A … /* DEFECT 7374 */ #define DEFECT_7374_NUMBEROF_MAX_WAIT_LOOPS … #define DEFECT_7374_PROCESSOR_WAIT_TIME … /* ep0 max packet size */ #define EP0_SS_MAX_PACKET_SIZE … #define EP0_HS_MAX_PACKET_SIZE … #ifdef __KERNEL__ /*-------------------------------------------------------------------------*/ /* [8.3] for scatter/gather i/o * use struct net2280_dma_regs bitfields */ struct net2280_dma { … } __aligned(…); /*-------------------------------------------------------------------------*/ /* DRIVER DATA STRUCTURES and UTILITIES */ struct net2280_ep { … }; static inline void allow_status(struct net2280_ep *ep) { … } static inline void allow_status_338x(struct net2280_ep *ep) { … } struct net2280_request { … }; struct net2280 { … }; static inline void set_halt(struct net2280_ep *ep) { … } static inline void clear_halt(struct net2280_ep *ep) { … } /* * FSM value for Defect 7374 (U1U2 Test) is managed in * chip's SCRATCH register: */ #define DEFECT7374_FSM_FIELD … /* Waiting for Control Read: * - A transition to this state indicates a fresh USB connection, * before the first Setup Packet. The connection speed is not * known. Firmware is waiting for the first Control Read. * - Starting state: This state can be thought of as the FSM's typical * starting state. * - Tip: Upon the first SS Control Read the FSM never * returns to this state. */ #define DEFECT7374_FSM_WAITING_FOR_CONTROL_READ … /* Non-SS Control Read: * - A transition to this state indicates detection of the first HS * or FS Control Read. * - Tip: Upon the first SS Control Read the FSM never * returns to this state. */ #define DEFECT7374_FSM_NON_SS_CONTROL_READ … /* SS Control Read: * - A transition to this state indicates detection of the * first SS Control Read. * - This state indicates workaround completion. Workarounds no longer * need to be applied (as long as the chip remains powered up). * - Tip: Once in this state the FSM state does not change (until * the chip's power is lost and restored). * - This can be thought of as the final state of the FSM; * the FSM 'locks-up' in this state until the chip loses power. */ #define DEFECT7374_FSM_SS_CONTROL_READ … #ifdef USE_RDK_LEDS static inline void net2280_led_init(struct net2280 *dev) { … } /* indicate speed with bi-color LED 0/1 */ static inline void net2280_led_speed(struct net2280 *dev, enum usb_device_speed speed) { … } /* indicate power with LED 2 */ static inline void net2280_led_active(struct net2280 *dev, int is_active) { … } static inline void net2280_led_shutdown(struct net2280 *dev) { … } #else #define net2280_led_init … #define net2280_led_speed … #define net2280_led_shutdown … #endif /*-------------------------------------------------------------------------*/ #define ep_dbg(ndev, fmt, args...) … #define ep_vdbg(ndev, fmt, args...) … #define ep_info(ndev, fmt, args...) … #define ep_warn(ndev, fmt, args...) … #define ep_err(ndev, fmt, args...) … /*-------------------------------------------------------------------------*/ static inline void set_fifo_bytecount(struct net2280_ep *ep, unsigned count) { … } static inline void start_out_naking(struct net2280_ep *ep) { … } static inline void stop_out_naking(struct net2280_ep *ep) { … } static inline void set_max_speed(struct net2280_ep *ep, u32 max) { … } #endif /* __KERNEL__ */
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