8eea8e29cc4374d1ee24c25a07f45af132db3499ap/*
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * CDDL HEADER START
8eea8e29cc4374d1ee24c25a07f45af132db3499ap *
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * The contents of this file are subject to the terms of the
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * Common Development and Distribution License, Version 1.0 only
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * (the "License"). You may not use this file except in compliance
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * with the License.
8eea8e29cc4374d1ee24c25a07f45af132db3499ap *
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * or http://www.opensolaris.org/os/licensing.
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * See the License for the specific language governing permissions
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * and limitations under the License.
8eea8e29cc4374d1ee24c25a07f45af132db3499ap *
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * When distributing Covered Code, include this CDDL HEADER in each
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * If applicable, add the following below this CDDL HEADER, with the
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * fields enclosed by brackets "[]" replaced with your own identifying
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * information: Portions Copyright [yyyy] [name of copyright owner]
8eea8e29cc4374d1ee24c25a07f45af132db3499ap *
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * CDDL HEADER END
8eea8e29cc4374d1ee24c25a07f45af132db3499ap */
8eea8e29cc4374d1ee24c25a07f45af132db3499ap/*
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * Use is subject to license terms.
8eea8e29cc4374d1ee24c25a07f45af132db3499ap */
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap#pragma ident "%Z%%M% %I% %E% SMI"
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap/*
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * dcam_reg.c
8eea8e29cc4374d1ee24c25a07f45af132db3499ap *
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * dcam1394 driver. Control register access support.
8eea8e29cc4374d1ee24c25a07f45af132db3499ap */
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap#include <sys/tnf_probe.h>
8eea8e29cc4374d1ee24c25a07f45af132db3499ap#include <sys/1394/targets/dcam1394/dcam_reg.h>
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap/*
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * dcam_reg_read
8eea8e29cc4374d1ee24c25a07f45af132db3499ap */
8eea8e29cc4374d1ee24c25a07f45af132db3499apint
8eea8e29cc4374d1ee24c25a07f45af132db3499apdcam_reg_read(dcam_state_t *soft_state, dcam1394_reg_io_t *arg)
8eea8e29cc4374d1ee24c25a07f45af132db3499ap{
8eea8e29cc4374d1ee24c25a07f45af132db3499ap cmd1394_cmd_t *cmdp;
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap if (t1394_alloc_cmd(soft_state->sl_handle, 1, &cmdp) != DDI_SUCCESS) {
8eea8e29cc4374d1ee24c25a07f45af132db3499ap return (-1);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap }
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap cmdp->cmd_type = CMD1394_ASYNCH_RD_QUAD;
8eea8e29cc4374d1ee24c25a07f45af132db3499ap cmdp->cmd_addr = 0x0000FFFFF0F00000 |
8eea8e29cc4374d1ee24c25a07f45af132db3499ap (uint64_t)(arg->offs & 0x00000FFC);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap cmdp->cmd_options = CMD1394_BLOCKING;
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap#ifdef GRAPHICS_DELAY
8eea8e29cc4374d1ee24c25a07f45af132db3499ap /*
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * This delay should not be necessary, but was added for some
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * unknown reason. Should it ever be determined that it
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * is necessary, this delay should be reenabled.
8eea8e29cc4374d1ee24c25a07f45af132db3499ap */
8eea8e29cc4374d1ee24c25a07f45af132db3499ap delay(drv_usectohz(500));
8eea8e29cc4374d1ee24c25a07f45af132db3499ap#endif
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap if (t1394_read(soft_state->sl_handle, cmdp) != DDI_SUCCESS) {
8eea8e29cc4374d1ee24c25a07f45af132db3499ap (void) t1394_free_cmd(soft_state->sl_handle, 0, &cmdp);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap return (-1);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap }
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap if (cmdp->cmd_result != DDI_SUCCESS) {
8eea8e29cc4374d1ee24c25a07f45af132db3499ap (void) t1394_free_cmd(soft_state->sl_handle, 0, &cmdp);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap return (-1);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap }
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap /* perform endian adjustment */
8eea8e29cc4374d1ee24c25a07f45af132db3499ap cmdp->cmd_u.q.quadlet_data = T1394_DATA32(cmdp->cmd_u.q.quadlet_data);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap arg->val = cmdp->cmd_u.q.quadlet_data;
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap (void) t1394_free_cmd(soft_state->sl_handle, 0, &cmdp);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap return (0);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap}
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap/*
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * dcam_reg_write
8eea8e29cc4374d1ee24c25a07f45af132db3499ap */
8eea8e29cc4374d1ee24c25a07f45af132db3499apint
8eea8e29cc4374d1ee24c25a07f45af132db3499apdcam_reg_write(dcam_state_t *soft_state, dcam1394_reg_io_t *arg)
8eea8e29cc4374d1ee24c25a07f45af132db3499ap{
8eea8e29cc4374d1ee24c25a07f45af132db3499ap cmd1394_cmd_t *cmdp;
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap if (t1394_alloc_cmd(soft_state->sl_handle, 0, &cmdp) != DDI_SUCCESS) {
8eea8e29cc4374d1ee24c25a07f45af132db3499ap return (-1);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap }
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap cmdp->cmd_type = CMD1394_ASYNCH_WR_QUAD;
8eea8e29cc4374d1ee24c25a07f45af132db3499ap cmdp->cmd_addr = 0x0000FFFFF0F00000 |
8eea8e29cc4374d1ee24c25a07f45af132db3499ap (uint64_t)(arg->offs & 0x00000FFC);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap cmdp->cmd_options = CMD1394_BLOCKING;
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap /* perform endian adjustment */
8eea8e29cc4374d1ee24c25a07f45af132db3499ap cmdp->cmd_u.q.quadlet_data = T1394_DATA32(arg->val);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap#ifdef GRAPHICS_DELAY
8eea8e29cc4374d1ee24c25a07f45af132db3499ap /*
8eea8e29cc4374d1ee24c25a07f45af132db3499ap * See the description in dcam_reg_read() above.
8eea8e29cc4374d1ee24c25a07f45af132db3499ap */
8eea8e29cc4374d1ee24c25a07f45af132db3499ap delay(drv_usectohz(500));
8eea8e29cc4374d1ee24c25a07f45af132db3499ap#endif
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap if (t1394_write(soft_state->sl_handle, cmdp) != DDI_SUCCESS) {
8eea8e29cc4374d1ee24c25a07f45af132db3499ap (void) t1394_free_cmd(soft_state->sl_handle, 0, &cmdp);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap return (-1);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap }
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap if (cmdp->cmd_result != DDI_SUCCESS) {
8eea8e29cc4374d1ee24c25a07f45af132db3499ap (void) t1394_free_cmd(soft_state->sl_handle, 0, &cmdp);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap return (-1);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap }
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap (void) t1394_free_cmd(soft_state->sl_handle, 0, &cmdp);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap
8eea8e29cc4374d1ee24c25a07f45af132db3499ap return (0);
8eea8e29cc4374d1ee24c25a07f45af132db3499ap}