/* SPDX-License-Identifier: GPL-2.0 */ /* * ISP116x register declarations and HCD data structures * * Copyright (C) 2005 Olav Kongas <[email protected]> * Portions: * Copyright (C) 2004 Lothar Wassmann * Copyright (C) 2004 Psion Teklogix * Copyright (C) 2004 David Brownell */ /* us of 1ms frame */ #define MAX_LOAD_LIMIT … /* Full speed: max # of bytes to transfer for a single urb at a time must be < 1024 && must be multiple of 64. 832 allows transferring 4kiB within 5 frames. */ #define MAX_TRANSFER_SIZE_FULLSPEED … /* Low speed: there is no reason to schedule in very big chunks; often the requested long transfers are for string descriptors containing short strings. */ #define MAX_TRANSFER_SIZE_LOWSPEED … /* Bytetime (us), a rough indication of how much time it would take to transfer a byte of useful data over USB */ #define BYTE_TIME_FULLSPEED … #define BYTE_TIME_LOWSPEED … /* Buffer sizes */ #define ISP116x_BUF_SIZE … #define ISP116x_ITL_BUFSIZE … #define ISP116x_ATL_BUFSIZE … #define ISP116x_WRITE_OFFSET … /*------------ ISP116x registers/bits ------------*/ #define HCREVISION … #define HCCONTROL … #define HCCONTROL_HCFS … #define HCCONTROL_USB_RESET … #define HCCONTROL_USB_RESUME … #define HCCONTROL_USB_OPER … #define HCCONTROL_USB_SUSPEND … #define HCCONTROL_RWC … #define HCCONTROL_RWE … #define HCCMDSTAT … #define HCCMDSTAT_HCR … #define HCCMDSTAT_SOC … #define HCINTSTAT … #define HCINT_SO … #define HCINT_WDH … #define HCINT_SF … #define HCINT_RD … #define HCINT_UE … #define HCINT_FNO … #define HCINT_RHSC … #define HCINT_OC … #define HCINT_MIE … #define HCINTENB … #define HCINTDIS … #define HCFMINTVL … #define HCFMREM … #define HCFMNUM … #define HCLSTHRESH … #define HCRHDESCA … #define RH_A_NDP … #define RH_A_PSM … #define RH_A_NPS … #define RH_A_DT … #define RH_A_OCPM … #define RH_A_NOCP … #define RH_A_POTPGT … #define HCRHDESCB … #define RH_B_DR … #define RH_B_PPCM … #define HCRHSTATUS … #define RH_HS_LPS … #define RH_HS_OCI … #define RH_HS_DRWE … #define RH_HS_LPSC … #define RH_HS_OCIC … #define RH_HS_CRWE … #define HCRHPORT1 … #define RH_PS_CCS … #define RH_PS_PES … #define RH_PS_PSS … #define RH_PS_POCI … #define RH_PS_PRS … #define RH_PS_PPS … #define RH_PS_LSDA … #define RH_PS_CSC … #define RH_PS_PESC … #define RH_PS_PSSC … #define RH_PS_OCIC … #define RH_PS_PRSC … #define HCRHPORT_CLRMASK … #define HCRHPORT2 … #define HCHWCFG … #define HCHWCFG_15KRSEL … #define HCHWCFG_CLKNOTSTOP … #define HCHWCFG_ANALOG_OC … #define HCHWCFG_DACK_MODE … #define HCHWCFG_EOT_POL … #define HCHWCFG_DACK_POL … #define HCHWCFG_DREQ_POL … #define HCHWCFG_DBWIDTH_MASK … #define HCHWCFG_DBWIDTH(n) … #define HCHWCFG_INT_POL … #define HCHWCFG_INT_TRIGGER … #define HCHWCFG_INT_ENABLE … #define HCDMACFG … #define HCDMACFG_BURST_LEN_MASK … #define HCDMACFG_BURST_LEN(n) … #define HCDMACFG_BURST_LEN_1 … #define HCDMACFG_BURST_LEN_4 … #define HCDMACFG_BURST_LEN_8 … #define HCDMACFG_DMA_ENABLE … #define HCDMACFG_BUF_TYPE_MASK … #define HCDMACFG_CTR_SEL … #define HCDMACFG_ITLATL_SEL … #define HCDMACFG_DMA_RW_SELECT … #define HCXFERCTR … #define HCuPINT … #define HCuPINT_SOF … #define HCuPINT_ATL … #define HCuPINT_AIIEOT … #define HCuPINT_OPR … #define HCuPINT_SUSP … #define HCuPINT_CLKRDY … #define HCuPINTENB … #define HCCHIPID … #define HCCHIPID_MASK … #define HCCHIPID_MAGIC … #define HCSCRATCH … #define HCSWRES … #define HCSWRES_MAGIC … #define HCITLBUFLEN … #define HCATLBUFLEN … #define HCBUFSTAT … #define HCBUFSTAT_ITL0_FULL … #define HCBUFSTAT_ITL1_FULL … #define HCBUFSTAT_ATL_FULL … #define HCBUFSTAT_ITL0_DONE … #define HCBUFSTAT_ITL1_DONE … #define HCBUFSTAT_ATL_DONE … #define HCRDITL0LEN … #define HCRDITL1LEN … #define HCITLPORT … #define HCATLPORT … /* Philips transfer descriptor */ struct ptd { … } __attribute__ ((packed, aligned …)); /* PTD accessor macros. */ #define PTD_GET_COUNT(p) … #define PTD_COUNT(v) … #define PTD_GET_TOGGLE(p) … #define PTD_TOGGLE(v) … #define PTD_GET_ACTIVE(p) … #define PTD_ACTIVE(v) … #define PTD_GET_CC(p) … #define PTD_CC(v) … #define PTD_GET_MPS(p) … #define PTD_MPS(v) … #define PTD_GET_SPD(p) … #define PTD_SPD(v) … #define PTD_GET_LAST(p) … #define PTD_LAST(v) … #define PTD_GET_EP(p) … #define PTD_EP(v) … #define PTD_GET_LEN(p) … #define PTD_LEN(v) … #define PTD_GET_DIR(p) … #define PTD_DIR(v) … #define PTD_GET_B5_5(p) … #define PTD_B5_5(v) … #define PTD_GET_FA(p) … #define PTD_FA(v) … #define PTD_GET_FMT(p) … #define PTD_FMT(v) … /* Hardware transfer status codes -- CC from ptd->count */ #define TD_CC_NOERROR … #define TD_CC_CRC … #define TD_CC_BITSTUFFING … #define TD_CC_DATATOGGLEM … #define TD_CC_STALL … #define TD_DEVNOTRESP … #define TD_PIDCHECKFAIL … #define TD_UNEXPECTEDPID … #define TD_DATAOVERRUN … #define TD_DATAUNDERRUN … /* 0x0A, 0x0B reserved for hardware */ #define TD_BUFFEROVERRUN … #define TD_BUFFERUNDERRUN … /* 0x0E, 0x0F reserved for HCD */ #define TD_NOTACCESSED … /* map PTD status codes (CC) to errno values */ static const int cc_to_error[16] = …; /*--------------------------------------------------------------*/ #define LOG2_PERIODIC_SIZE … #define PERIODIC_SIZE … struct isp116x { … }; static inline struct isp116x *hcd_to_isp116x(struct usb_hcd *hcd) { … } static inline struct usb_hcd *isp116x_to_hcd(struct isp116x *isp116x) { … } struct isp116x_ep { … }; /*-------------------------------------------------------------------------*/ #define DBG(stuff...) … #ifdef VERBOSE #define VDBG … #else #define VDBG(stuff...) … #endif #define ERR(stuff...) … #define WARNING(stuff...) … #define INFO(stuff...) … /* ------------------------------------------------- */ #if defined(USE_PLATFORM_DELAY) #if defined(USE_NDELAY) #error USE_PLATFORM_DELAY and USE_NDELAY simultaneously defined. #endif #define isp116x_delay(h,d) … #define isp116x_check_platform_delay(h) … #elif defined(USE_NDELAY) #define isp116x_delay … #define isp116x_check_platform_delay … #else #define isp116x_delay … #define isp116x_check_platform_delay … #endif static inline void isp116x_write_addr(struct isp116x *isp116x, unsigned reg) { … } static inline void isp116x_write_data16(struct isp116x *isp116x, u16 val) { … } static inline void isp116x_raw_write_data16(struct isp116x *isp116x, u16 val) { … } static inline u16 isp116x_read_data16(struct isp116x *isp116x) { … } static inline u16 isp116x_raw_read_data16(struct isp116x *isp116x) { … } static inline void isp116x_write_data32(struct isp116x *isp116x, u32 val) { … } static inline u32 isp116x_read_data32(struct isp116x *isp116x) { … } /* Let's keep register access functions out of line. Hint: we wait at least 150 ns at every access. */ static u16 isp116x_read_reg16(struct isp116x *isp116x, unsigned reg) { … } static u32 isp116x_read_reg32(struct isp116x *isp116x, unsigned reg) { … } static void isp116x_write_reg16(struct isp116x *isp116x, unsigned reg, unsigned val) { … } static void isp116x_write_reg32(struct isp116x *isp116x, unsigned reg, unsigned val) { … } #define isp116x_show_reg_log(d,r,s) … #define isp116x_show_reg_seq(d,r,s) … #define isp116x_show_regs(d,type,s) … /* Dump registers for debugfs. */ static inline void isp116x_show_regs_seq(struct isp116x *isp116x, struct seq_file *s) { … } /* Dump registers to syslog. */ static inline void isp116x_show_regs_log(struct isp116x *isp116x) { … } #if defined(URB_TRACE) #define PIPETYPE … #define PIPEDIR … #define URB_NOTSHORT … /* print debug info about the URB */ static void urb_dbg(struct urb *urb, char *msg) { unsigned int pipe; if (!urb) { DBG("%s: zero urb\n", msg); return; } pipe = urb->pipe; DBG("%s: FA %d ep%d%s %s: len %d/%d %s\n", msg, usb_pipedevice(pipe), usb_pipeendpoint(pipe), PIPEDIR(pipe), PIPETYPE(pipe), urb->transfer_buffer_length, urb->actual_length, URB_NOTSHORT(urb)); } #else #define urb_dbg(urb,msg) … #endif /* ! defined(URB_TRACE) */ #if defined(PTD_TRACE) #define PTD_DIR_STR … /* Dump PTD info. The code documents the format perfectly, right :) */ static inline void dump_ptd(struct ptd *ptd) { printk(KERN_WARNING "td: %x %d%c%d %d,%d,%d %x %x%x%x\n", PTD_GET_CC(ptd), PTD_GET_FA(ptd), PTD_DIR_STR(ptd), PTD_GET_EP(ptd), PTD_GET_COUNT(ptd), PTD_GET_LEN(ptd), PTD_GET_MPS(ptd), PTD_GET_TOGGLE(ptd), PTD_GET_ACTIVE(ptd), PTD_GET_SPD(ptd), PTD_GET_LAST(ptd)); } static inline void dump_ptd_out_data(struct ptd *ptd, u8 * buf) { int k; if (PTD_GET_DIR(ptd) != PTD_DIR_IN && PTD_GET_LEN(ptd)) { printk(KERN_WARNING "-> "); for (k = 0; k < PTD_GET_LEN(ptd); ++k) printk("%02x ", ((u8 *) buf)[k]); printk("\n"); } } static inline void dump_ptd_in_data(struct ptd *ptd, u8 * buf) { int k; if (PTD_GET_DIR(ptd) == PTD_DIR_IN && PTD_GET_COUNT(ptd)) { printk(KERN_WARNING "<- "); for (k = 0; k < PTD_GET_COUNT(ptd); ++k) printk("%02x ", ((u8 *) buf)[k]); printk("\n"); } if (PTD_GET_LAST(ptd)) printk(KERN_WARNING "-\n"); } #else #define dump_ptd(ptd) … #define dump_ptd_in_data(ptd,buf) … #define dump_ptd_out_data(ptd,buf) … #endif /* ! defined(PTD_TRACE) */
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