1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright (C) 2003-2005 Chelsio Communications. All rights reserved.
24 */
25
26 #pragma ident "%Z%%M% %I% %E% SMI" /* cspi.c */
27
28 #include "common.h"
29 #include "regs.h"
30 #include "cspi.h"
31
32 struct pecspi {
33 adapter_t *adapter;
34 };
35
t1_cspi_intr_enable(struct pecspi * cspi)36 int t1_cspi_intr_enable(struct pecspi *cspi)
37 {
38 t1_write_reg_4(cspi->adapter, A_CSPI_INTR_ENABLE, 0xffffffff);
39 return 0;
40 }
41
t1_cspi_intr_disable(struct pecspi * cspi)42 int t1_cspi_intr_disable(struct pecspi *cspi)
43 {
44 t1_write_reg_4(cspi->adapter, A_CSPI_INTR_ENABLE, 0);
45 return 0;
46 }
47
t1_cspi_intr_status_read(struct pecspi * cspi,u32 * status)48 int t1_cspi_intr_status_read(struct pecspi *cspi, u32 *status)
49 {
50 *status = t1_read_reg_4(cspi->adapter, A_CSPI_INTR_STATUS);
51
52 /* TBD XXX Need to poll in case of parity/overflow */
53 /* t1_write_reg_4( adapter, CSPI_REG_RAMSTATUS, ); */
54
55 return 0;
56 }
57
t1_cspi_init(struct pecspi * cspi)58 int t1_cspi_init(struct pecspi *cspi)
59 {
60 adapter_t *adapter = cspi->adapter;
61
62 t1_write_reg_4(adapter, A_CSPI_CALENDAR_LEN, 15);
63 t1_write_reg_4(adapter, A_CSPI_FIFO_STATUS_ENABLE, 1);
64 return 0;
65 }
66
t1_cspi_create(adapter_t * adapter)67 struct pecspi *t1_cspi_create(adapter_t *adapter)
68 {
69 struct pecspi *cspi = t1_os_malloc_wait_zero(sizeof(*cspi));
70
71 if (cspi)
72 cspi->adapter = adapter;
73 return cspi;
74 }
75
t1_cspi_destroy(struct pecspi * cspi)76 void t1_cspi_destroy(struct pecspi *cspi)
77 {
78 t1_os_free((void *)cspi, sizeof(*cspi));
79 }
80