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 #include "common.h"
27 #include "regs.h"
28 #include "cspi.h"
29
30 struct pecspi {
31 adapter_t *adapter;
32 };
33
t1_cspi_intr_enable(struct pecspi * cspi)34 int t1_cspi_intr_enable(struct pecspi *cspi)
35 {
36 t1_write_reg_4(cspi->adapter, A_CSPI_INTR_ENABLE, 0xffffffff);
37 return 0;
38 }
39
t1_cspi_intr_disable(struct pecspi * cspi)40 int t1_cspi_intr_disable(struct pecspi *cspi)
41 {
42 t1_write_reg_4(cspi->adapter, A_CSPI_INTR_ENABLE, 0);
43 return 0;
44 }
45
t1_cspi_intr_status_read(struct pecspi * cspi,u32 * status)46 int t1_cspi_intr_status_read(struct pecspi *cspi, u32 *status)
47 {
48 *status = t1_read_reg_4(cspi->adapter, A_CSPI_INTR_STATUS);
49
50 /* TBD XXX Need to poll in case of parity/overflow */
51 /* t1_write_reg_4( adapter, CSPI_REG_RAMSTATUS, ); */
52
53 return 0;
54 }
55
t1_cspi_init(struct pecspi * cspi)56 int t1_cspi_init(struct pecspi *cspi)
57 {
58 adapter_t *adapter = cspi->adapter;
59
60 t1_write_reg_4(adapter, A_CSPI_CALENDAR_LEN, 15);
61 t1_write_reg_4(adapter, A_CSPI_FIFO_STATUS_ENABLE, 1);
62 return 0;
63 }
64
t1_cspi_create(adapter_t * adapter)65 struct pecspi *t1_cspi_create(adapter_t *adapter)
66 {
67 struct pecspi *cspi = t1_os_malloc_wait_zero(sizeof(*cspi));
68
69 if (cspi)
70 cspi->adapter = adapter;
71 return cspi;
72 }
73
t1_cspi_destroy(struct pecspi * cspi)74 void t1_cspi_destroy(struct pecspi *cspi)
75 {
76 t1_os_free((void *)cspi, sizeof(*cspi));
77 }
78