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149 lines
4.8 KiB
149 lines
4.8 KiB
#ifndef _QIB_7220_H |
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#define _QIB_7220_H |
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/* |
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* Copyright (c) 2007, 2009, 2010 QLogic Corporation. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* OpenIB.org BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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/* grab register-defs auto-generated by HW */ |
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#include "qib_7220_regs.h" |
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/* The number of eager receive TIDs for context zero. */ |
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#define IBA7220_KRCVEGRCNT 2048U |
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#define IB_7220_LT_STATE_CFGRCVFCFG 0x09 |
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#define IB_7220_LT_STATE_CFGWAITRMT 0x0a |
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#define IB_7220_LT_STATE_TXREVLANES 0x0d |
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#define IB_7220_LT_STATE_CFGENH 0x10 |
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struct qib_chip_specific { |
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u64 __iomem *cregbase; |
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u64 *cntrs; |
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u64 *portcntrs; |
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spinlock_t sdepb_lock; /* serdes EPB bus */ |
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spinlock_t rcvmod_lock; /* protect rcvctrl shadow changes */ |
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spinlock_t gpio_lock; /* RMW of shadows/regs for ExtCtrl and GPIO */ |
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u64 hwerrmask; |
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u64 errormask; |
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u64 gpio_out; /* shadow of kr_gpio_out, for rmw ops */ |
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u64 gpio_mask; /* shadow the gpio mask register */ |
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u64 extctrl; /* shadow the gpio output enable, etc... */ |
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u32 ncntrs; |
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u32 nportcntrs; |
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u32 cntrnamelen; |
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u32 portcntrnamelen; |
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u32 numctxts; |
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u32 rcvegrcnt; |
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u32 autoneg_tries; |
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u32 serdes_first_init_done; |
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u32 sdmabufcnt; |
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u32 lastbuf_for_pio; |
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u32 updthresh; /* current AvailUpdThld */ |
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u32 updthresh_dflt; /* default AvailUpdThld */ |
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u8 presets_needed; |
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u8 relock_timer_active; |
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char emsgbuf[128]; |
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char sdmamsgbuf[192]; |
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char bitsmsgbuf[64]; |
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struct timer_list relock_timer; |
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unsigned int relock_interval; /* in jiffies */ |
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struct qib_devdata *dd; |
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}; |
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struct qib_chippport_specific { |
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struct qib_pportdata pportdata; |
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wait_queue_head_t autoneg_wait; |
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struct delayed_work autoneg_work; |
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struct timer_list chase_timer; |
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/* |
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* these 5 fields are used to establish deltas for IB symbol |
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* errors and linkrecovery errors. They can be reported on |
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* some chips during link negotiation prior to INIT, and with |
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* DDR when faking DDR negotiations with non-IBTA switches. |
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* The chip counters are adjusted at driver unload if there is |
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* a non-zero delta. |
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*/ |
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u64 ibdeltainprog; |
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u64 ibsymdelta; |
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u64 ibsymsnap; |
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u64 iblnkerrdelta; |
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u64 iblnkerrsnap; |
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u64 ibcctrl; /* kr_ibcctrl shadow */ |
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u64 ibcddrctrl; /* kr_ibcddrctrl shadow */ |
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unsigned long chase_end; |
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u32 last_delay_mult; |
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}; |
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/* |
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* This header file provides the declarations and common definitions |
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* for (mostly) manipulation of the SerDes blocks within the IBA7220. |
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* the functions declared should only be called from within other |
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* 7220-related files such as qib_iba7220.c or qib_sd7220.c. |
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*/ |
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int qib_sd7220_presets(struct qib_devdata *dd); |
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int qib_sd7220_init(struct qib_devdata *dd); |
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void qib_sd7220_clr_ibpar(struct qib_devdata *); |
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/* |
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* Below used for sdnum parameter, selecting one of the two sections |
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* used for PCIe, or the single SerDes used for IB, which is the |
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* only one currently used |
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*/ |
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#define IB_7220_SERDES 2 |
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static inline u32 qib_read_kreg32(const struct qib_devdata *dd, |
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const u16 regno) |
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{ |
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if (!dd->kregbase || !(dd->flags & QIB_PRESENT)) |
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return -1; |
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return readl((u32 __iomem *)&dd->kregbase[regno]); |
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} |
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static inline u64 qib_read_kreg64(const struct qib_devdata *dd, |
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const u16 regno) |
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{ |
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if (!dd->kregbase || !(dd->flags & QIB_PRESENT)) |
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return -1; |
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return readq(&dd->kregbase[regno]); |
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} |
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static inline void qib_write_kreg(const struct qib_devdata *dd, |
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const u16 regno, u64 value) |
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{ |
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if (dd->kregbase) |
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writeq(value, &dd->kregbase[regno]); |
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} |
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void set_7220_relock_poll(struct qib_devdata *, int); |
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void shutdown_7220_relock_poll(struct qib_devdata *); |
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void toggle_7220_rclkrls(struct qib_devdata *); |
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#endif /* _QIB_7220_H */
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