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 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 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 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 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 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 76 void t1_cspi_destroy(struct pecspi *cspi) 77 { 78 t1_os_free((void *)cspi, sizeof(*cspi)); 79 } 80