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/*-
* Copyright (c) 2006 Sam Leffler, Errno Consulting
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES.
*
* $FreeBSD: release/9.1.0/sys/arm/xscale/ixp425/ixp425_qmgr.h 193096 2009-05-30 15:14:44Z attilio $
*/
/*-
* Copyright (c) 2001-2005, Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef ARM_XSCALE_IXP425_QMGR_H
#define ARM_XSCALE_IXP425_QMGR_H
#define IX_QMGR_MAX_NUM_QUEUES 64
#define IX_QMGR_MIN_QUEUPP_QID 32
#define IX_QMGR_MIN_ENTRY_SIZE_IN_WORDS 16
/* Total size of SRAM */
#define IX_QMGR_AQM_SRAM_SIZE_IN_BYTES 0x4000
#define IX_QMGR_Q_PRIORITY_0 0
#define IX_QMGR_Q_PRIORITY_1 1
#define IX_QMGR_Q_PRIORITY_2 2
#define IX_QMGR_NUM_PRIORITY_LEVELS 3 /* number of priority levels */
#define IX_QMGR_Q_STATUS_E_BIT_MASK 0x1 /* Empty */
#define IX_QMGR_Q_STATUS_NE_BIT_MASK 0x2 /* Nearly Empty */
#define IX_QMGR_Q_STATUS_NF_BIT_MASK 0x4 /* Nearly Full */
#define IX_QMGR_Q_STATUS_F_BIT_MASK 0x8 /* Full */
#define IX_QMGR_Q_STATUS_UF_BIT_MASK 0x10 /* Underflow */
#define IX_QMGR_Q_STATUS_OF_BIT_MASK 0x20 /* Overflow */
#define IX_QMGR_Q_SOURCE_ID_E 0 /* Q Empty after last read */
#define IX_QMGR_Q_SOURCE_ID_NE 1 /* Q Nearly Empty after last read */
#define IX_QMGR_Q_SOURCE_ID_NF 2 /* Q Nearly Full after last write */
#define IX_QMGR_Q_SOURCE_ID_F 3 /* Q Full after last write */
#define IX_QMGR_Q_SOURCE_ID_NOT_E 4 /* Q !Empty after last write */
#define IX_QMGR_Q_SOURCE_ID_NOT_NE 5 /* Q !Nearly Empty after last write */
#define IX_QMGR_Q_SOURCE_ID_NOT_NF 6 /* Q !Nearly Full after last read */
#define IX_QMGR_Q_SOURCE_ID_NOT_F 7 /* Q !Full after last read */
#define IX_QMGR_UNDERFLOW_BIT_OFFSET 0x0 /* underflow bit mask */
#define IX_QMGR_OVERFLOW_BIT_OFFSET 0x1 /* overflow bit mask */
#define IX_QMGR_QUEACC0_OFFSET 0x0000 /* q 0 access register */
#define IX_QMGR_QUEACC_SIZE 0x4/*words*/
#define IX_QMGR_QUELOWSTAT0_OFFSET 0x400 /* Q status, q's 0-7 */
#define IX_QMGR_QUELOWSTAT1_OFFSET 0x404 /* Q status, q's 8-15 */
#define IX_QMGR_QUELOWSTAT2_OFFSET 0x408 /* Q status, q's 16-23 */
#define IX_QMGR_QUELOWSTAT3_OFFSET 0x40c /* Q status, q's 24-31 */
/* Queue status register Q status bits mask */
#define IX_QMGR_QUELOWSTAT_QUE_STS_BITS_MASK 0xF
/* Size of queue 0-31 status register */
#define IX_QMGR_QUELOWSTAT_SIZE 0x4 /*words*/
#define IX_QMGR_QUELOWSTAT_NUM_QUE_PER_WORD 8 /* # status/word */
#define IX_QMGR_QUEUOSTAT0_OFFSET 0x410 /* Q UF/OF status, q's 0-15 */
#define IX_QMGR_QUEUOSTAT1_OFFSET 0x414 /* Q UF/OF status, q's 16-31 */
#define IX_QMGR_QUEUOSTAT_NUM_QUE_PER_WORD 16 /* # UF/OF status/word */
#define IX_QMGR_QUEUPPSTAT0_OFFSET 0x418 /* NE status, q's 32-63 */
#define IX_QMGR_QUEUPPSTAT1_OFFSET 0x41c /* F status, q's 32-63 */
#define IX_QMGR_INT0SRCSELREG0_OFFSET 0x420 /* INT src select, q's 0-7 */
#define IX_QMGR_INT0SRCSELREG1_OFFSET 0x424 /* INT src select, q's 8-15 */
#define IX_QMGR_INT0SRCSELREG2_OFFSET 0x428 /* INT src select, q's 16-23 */
#define IX_QMGR_INT0SRCSELREG3_OFFSET 0x42c /* INT src select, q's 24-31 */
#define IX_QMGR_INTSRC_NUM_QUE_PER_WORD 8 /* # INT src select/word */
#define IX_QMGR_QUEIEREG0_OFFSET 0x430 /* INT enable, q's 0-31 */
#define IX_QMGR_QUEIEREG1_OFFSET 0x434 /* INT enable, q's 32-63 */
#define IX_QMGR_QINTREG0_OFFSET 0x438 /* INT status, q's 0-31 */
#define IX_QMGR_QINTREG1_OFFSET 0x43c /* INT status, q's 32-63 */
#define IX_QMGR_QUECONFIG_BASE_OFFSET 0x2000 /* Q config register, q 0 */
#define IX_QMGR_QUECONFIG_SIZE 0x100 /* total size of Q config regs*/
#define IX_QMGR_QUEBUFFER_SPACE_OFFSET 0x2100 /* start of SRAM */
/* Total bits in a word */
#define BITS_PER_WORD 32
/* Size of queue buffer space */
#define IX_QMGR_QUE_BUFFER_SPACE_SIZE 0x1F00
/*
* This macro will return the address of the access register for the
* queue specified by qId
*/
#define IX_QMGR_Q_ACCESS_ADDR_GET(qId)\
(((qId) * (IX_QMGR_QUEACC_SIZE * sizeof(uint32_t)))\
+ IX_QMGR_QUEACC0_OFFSET)
/*
* Bit location of bit-3 of INT0SRCSELREG0 register to enabled
* sticky interrupt register.
*/
#define IX_QMGR_INT0SRCSELREG0_BIT3 3
/*
* These defines are the bit offsets of the various fields of
* the queue configuration register.
*/
#if 0
#define IX_QMGR_Q_CONFIG_WRPTR_OFFSET 0x00
#define IX_QMGR_Q_CONFIG_RDPTR_OFFSET 0x07
#define IX_QMGR_Q_CONFIG_BADDR_OFFSET 0x0E
#define IX_QMGR_Q_CONFIG_ESIZE_OFFSET 0x16
#define IX_QMGR_Q_CONFIG_BSIZE_OFFSET 0x18
#define IX_QMGR_Q_CONFIG_NE_OFFSET 0x1A
#define IX_QMGR_Q_CONFIG_NF_OFFSET 0x1D
#define IX_QMGR_NE_NF_CLEAR_MASK 0x03FFFFFF
#define IX_QMGR_NE_MASK 0x7
#define IX_QMGR_NF_MASK 0x7
#define IX_QMGR_SIZE_MASK 0x3
#define IX_QMGR_ENTRY_SIZE_MASK 0x3
#define IX_QMGR_BADDR_MASK 0x003FC000
#define IX_QMGR_RDPTR_MASK 0x7F
#define IX_QMGR_WRPTR_MASK 0x7F
#define IX_QMGR_RDWRPTR_MASK 0x00003FFF
#else
#define IX_QMGR_Q_CONFIG_WRPTR_OFFSET 0
#define IX_QMGR_WRPTR_MASK 0x7F
#define IX_QMGR_Q_CONFIG_RDPTR_OFFSET 7
#define IX_QMGR_RDPTR_MASK 0x7F
#define IX_QMGR_Q_CONFIG_BADDR_OFFSET 14
#define IX_QMGR_BADDR_MASK 0x3FC000 /* XXX not used */
#define IX_QMGR_Q_CONFIG_ESIZE_OFFSET 22
#define IX_QMGR_ENTRY_SIZE_MASK 0x3
#define IX_QMGR_Q_CONFIG_BSIZE_OFFSET 24
#define IX_QMGR_SIZE_MASK 0x3
#define IX_QMGR_Q_CONFIG_NE_OFFSET 26
#define IX_QMGR_NE_MASK 0x7
#define IX_QMGR_Q_CONFIG_NF_OFFSET 29
#define IX_QMGR_NF_MASK 0x7
#define IX_QMGR_RDWRPTR_MASK 0x00003FFF
#define IX_QMGR_NE_NF_CLEAR_MASK 0x03FFFFFF
#endif
#define IX_QMGR_BASE_ADDR_16_WORD_ALIGN 64
#define IX_QMGR_BASE_ADDR_16_WORD_SHIFT 6
#define IX_QMGR_AQM_ADDRESS_SPACE_SIZE_IN_WORDS 0x1000
/* Base address of AQM SRAM */
#define IX_QMGR_AQM_SRAM_BASE_ADDRESS_OFFSET \
((IX_QMGR_QUECONFIG_BASE_OFFSET) + (IX_QMGR_QUECONFIG_SIZE))
/* Min buffer size used for generating buffer size in QUECONFIG */
#define IX_QMGR_MIN_BUFFER_SIZE 16
/* Reset values of QMgr hardware registers */
#define IX_QMGR_QUELOWSTAT_RESET_VALUE 0x33333333
#define IX_QMGR_QUEUOSTAT_RESET_VALUE 0x00000000
#define IX_QMGR_QUEUPPSTAT0_RESET_VALUE 0xFFFFFFFF
#define IX_QMGR_QUEUPPSTAT1_RESET_VALUE 0x00000000
#define IX_QMGR_INT0SRCSELREG_RESET_VALUE 0x00000000
#define IX_QMGR_QUEIEREG_RESET_VALUE 0x00000000
#define IX_QMGR_QINTREG_RESET_VALUE 0xFFFFFFFF
#define IX_QMGR_QUECONFIG_RESET_VALUE 0x00000000
#define IX_QMGR_QUELOWSTAT_BITS_PER_Q \
(BITS_PER_WORD/IX_QMGR_QUELOWSTAT_NUM_QUE_PER_WORD)
#define IX_QMGR_QUELOWSTAT_QID_MASK 0x7
#define IX_QMGR_Q_CONFIG_ADDR_GET(qId)\
(((qId) * sizeof(uint32_t)) + IX_QMGR_QUECONFIG_BASE_OFFSET)
#define IX_QMGR_ENTRY1_OFFSET 0
#define IX_QMGR_ENTRY2_OFFSET 1
#define IX_QMGR_ENTRY4_OFFSET 3
typedef void qconfig_hand_t(int, void *);
int ixpqmgr_qconfig(int qId, int qSizeInWords, int ne, int nf, int srcSel,
qconfig_hand_t *cb, void *cbarg);
int ixpqmgr_qwrite(int qId, uint32_t entry);
int ixpqmgr_qread(int qId, uint32_t *entry);
int ixpqmgr_qreadm(int qId, uint32_t n, uint32_t *p);
uint32_t ixpqmgr_getqstatus(int qId);
uint32_t ixpqmgr_getqconfig(int qId);
void ixpqmgr_notify_enable(int qId, int srcSel);
void ixpqmgr_notify_disable(int qId);
void ixpqmgr_dump(void);
#endif /* ARM_XSCALE_IXP425_QMGR_H */