FreeBSD/Linux Kernel Cross Reference
sys/dev/hwpmc/pmu_dmc620_reg.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause
      *
      * Copyright (c) 2021 Ampere Computing LLC
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    
    #ifndef _DEV_HWPMC_PMU_DMC620_REG_H_
    #define _DEV_HWPMC_PMU_DMC620_REG_H_
    
    #define DMC620_UNIT_PER_SOCKET  8
    #define DMC620_MAX_SOCKET       2
    #define DMC620_UNIT_MAX         (DMC620_UNIT_PER_SOCKET * DMC620_MAX_SOCKET)
    
    #define DMC620_SNAPSHOT_REQ             0x000 /* WO */
    #define DMC620_SNAPSHOT_ACK             0x004 /* RO */
    #define DMC620_OVERFLOW_STATUS_CLKDIV2  0x008 /* RW */
    #define DMC620_OVERFLOW_STATUS_CLK      0x00C /* RW */
    
    #define DMC620_COUNTER_MASK_LO          0x000 /* RW */
    #define DMC620_COUNTER_MASK_HI          0x004 /* RW */
    #define DMC620_COUNTER_MATCH_LO         0x008 /* RW */
    #define DMC620_COUNTER_MATCH_HI         0x00C /* RW */
    #define DMC620_COUNTER_CONTROL          0x010 /* RW */
    #define         DMC620_COUNTER_CONTROL_ENABLE           (1 << 0)
    #define         DMC620_COUNTER_CONTROL_INVERT           (1 << 1)
    #define         DMC620_COUNTER_CONTROL_EVENT_SHIFT      2
    #define         DMC620_COUNTER_CONTROL_EVENT_MASK       (0x1f << 2)
    #define         DMC620_COUNTER_CONTROL_INCR_SHIFT       7
    #define         DMC620_COUNTER_CONTROL_INCR_MASK        (0x3 << 7)
    #define DMC620_COUNTER_SNAPSHOT_VALUE_LO 0x018 /* RO */
    #define DMC620_COUNTER_VALUE_LO         0x020 /* RW */
    
    #define DMC620_CLKDIV2_COUNTERS_BASE    0x010
    #define DMC620_CLKDIV2_COUNTERS_OFF     0x28
    #define DMC620_CLKDIV2_COUNTERS_N       8
    #define DMC620_CLKDIV2_REG(u, r)        (DMC620_CLKDIV2_COUNTERS_BASE + \
        (DMC620_CLKDIV2_COUNTERS_OFF * (u)) + (r))
    
    #define DMC620_CLK_COUNTERS_BASE        0x150
    #define DMC620_CLK_COUNTERS_OFF         0x28
    #define DMC620_CLK_COUNTERS_N           2
    #define DMC620_CLK_REG(u, r)            (DMC620_CLK_COUNTERS_BASE +     \
        (DMC620_CLK_COUNTERS_OFF * (u)) + (r))
    
    /* CLK counters continue registers set. */
    #define DMC620_REG(u, r)                (DMC620_CLKDIV2_COUNTERS_BASE + \
        (DMC620_CLKDIV2_COUNTERS_OFF * (u)) + (r))
    
    #define DMC620_PMU_DEFAULT_UNITS_N      8
    
    #define DMC620_COUNTERS_N       (DMC620_CLKDIV2_COUNTERS_N + \
        DMC620_CLK_COUNTERS_N)
    
    /* IO from HWPMC module to driver. */
    uint32_t pmu_dmc620_rd4(void *arg, u_int cntr, off_t reg);
    void pmu_dmc620_wr4(void *arg, u_int cntr, off_t reg, uint32_t val);
    
    /* Driver's interrupt notification to HWPMC module. */
    int dmc620_intr(struct trapframe *tf, int c, int unit, int ri);
    
    /* Registration of counters pool. */
    void dmc620_pmc_register(int unit, void *argi, int domain);
    void dmc620_pmc_unregister(int unit);
    
    #endif /*_DEV_HWPMC_PMU_DMC620_REG_H_ */

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