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 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 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 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 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 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 74 void t1_cspi_destroy(struct pecspi *cspi) 75 { 76 t1_os_free((void *)cspi, sizeof(*cspi)); 77 } 78