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1#ifndef _QIB_7220_H2#define _QIB_7220_H3/*4 * Copyright (c) 2007, 2009, 2010 QLogic Corporation. All rights reserved.5 *6 * This software is available to you under a choice of one of two7 * licenses. You may choose to be licensed under the terms of the GNU8 * General Public License (GPL) Version 2, available from the file9 * COPYING in the main directory of this source tree, or the10 * OpenIB.org BSD license below:11 *12 * Redistribution and use in source and binary forms, with or13 * without modification, are permitted provided that the following14 * conditions are met:15 *16 * - Redistributions of source code must retain the above17 * copyright notice, this list of conditions and the following18 * disclaimer.19 *20 * - Redistributions in binary form must reproduce the above21 * copyright notice, this list of conditions and the following22 * disclaimer in the documentation and/or other materials23 * provided with the distribution.24 *25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE32 * SOFTWARE.33 */34 35/* grab register-defs auto-generated by HW */36#include "qib_7220_regs.h"37 38/* The number of eager receive TIDs for context zero. */39#define IBA7220_KRCVEGRCNT 2048U40 41#define IB_7220_LT_STATE_CFGRCVFCFG 0x0942#define IB_7220_LT_STATE_CFGWAITRMT 0x0a43#define IB_7220_LT_STATE_TXREVLANES 0x0d44#define IB_7220_LT_STATE_CFGENH 0x1045 46struct qib_chip_specific {47 u64 __iomem *cregbase;48 u64 *cntrs;49 u64 *portcntrs;50 spinlock_t sdepb_lock; /* serdes EPB bus */51 spinlock_t rcvmod_lock; /* protect rcvctrl shadow changes */52 spinlock_t gpio_lock; /* RMW of shadows/regs for ExtCtrl and GPIO */53 u64 hwerrmask;54 u64 errormask;55 u64 gpio_out; /* shadow of kr_gpio_out, for rmw ops */56 u64 gpio_mask; /* shadow the gpio mask register */57 u64 extctrl; /* shadow the gpio output enable, etc... */58 u32 ncntrs;59 u32 nportcntrs;60 u32 cntrnamelen;61 u32 portcntrnamelen;62 u32 numctxts;63 u32 rcvegrcnt;64 u32 autoneg_tries;65 u32 serdes_first_init_done;66 u32 sdmabufcnt;67 u32 lastbuf_for_pio;68 u32 updthresh; /* current AvailUpdThld */69 u32 updthresh_dflt; /* default AvailUpdThld */70 u8 presets_needed;71 u8 relock_timer_active;72 char emsgbuf[128];73 char sdmamsgbuf[192];74 char bitsmsgbuf[64];75 struct timer_list relock_timer;76 unsigned int relock_interval; /* in jiffies */77 struct qib_devdata *dd;78};79 80struct qib_chippport_specific {81 struct qib_pportdata pportdata;82 wait_queue_head_t autoneg_wait;83 struct delayed_work autoneg_work;84 struct timer_list chase_timer;85 /*86 * these 5 fields are used to establish deltas for IB symbol87 * errors and linkrecovery errors. They can be reported on88 * some chips during link negotiation prior to INIT, and with89 * DDR when faking DDR negotiations with non-IBTA switches.90 * The chip counters are adjusted at driver unload if there is91 * a non-zero delta.92 */93 u64 ibdeltainprog;94 u64 ibsymdelta;95 u64 ibsymsnap;96 u64 iblnkerrdelta;97 u64 iblnkerrsnap;98 u64 ibcctrl; /* kr_ibcctrl shadow */99 u64 ibcddrctrl; /* kr_ibcddrctrl shadow */100 unsigned long chase_end;101 u32 last_delay_mult;102};103 104/*105 * This header file provides the declarations and common definitions106 * for (mostly) manipulation of the SerDes blocks within the IBA7220.107 * the functions declared should only be called from within other108 * 7220-related files such as qib_iba7220.c or qib_sd7220.c.109 */110int qib_sd7220_presets(struct qib_devdata *dd);111int qib_sd7220_init(struct qib_devdata *dd);112void qib_sd7220_clr_ibpar(struct qib_devdata *);113/*114 * Below used for sdnum parameter, selecting one of the two sections115 * used for PCIe, or the single SerDes used for IB, which is the116 * only one currently used117 */118#define IB_7220_SERDES 2119 120static inline u32 qib_read_kreg32(const struct qib_devdata *dd,121 const u16 regno)122{123 if (!dd->kregbase || !(dd->flags & QIB_PRESENT))124 return -1;125 return readl((u32 __iomem *)&dd->kregbase[regno]);126}127 128static inline u64 qib_read_kreg64(const struct qib_devdata *dd,129 const u16 regno)130{131 if (!dd->kregbase || !(dd->flags & QIB_PRESENT))132 return -1;133 134 return readq(&dd->kregbase[regno]);135}136 137static inline void qib_write_kreg(const struct qib_devdata *dd,138 const u16 regno, u64 value)139{140 if (dd->kregbase)141 writeq(value, &dd->kregbase[regno]);142}143 144void set_7220_relock_poll(struct qib_devdata *, int);145void shutdown_7220_relock_poll(struct qib_devdata *);146void toggle_7220_rclkrls(struct qib_devdata *);147 148 149#endif /* _QIB_7220_H */150