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Diffstat (limited to 'include/asm-arm/arch-ixp4xx/qmgr.h')
-rw-r--r--include/asm-arm/arch-ixp4xx/qmgr.h126
1 files changed, 0 insertions, 126 deletions
diff --git a/include/asm-arm/arch-ixp4xx/qmgr.h b/include/asm-arm/arch-ixp4xx/qmgr.h
deleted file mode 100644
index 1e52b95cede..00000000000
--- a/include/asm-arm/arch-ixp4xx/qmgr.h
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * Copyright (C) 2007 Krzysztof Halasa <khc@pm.waw.pl>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
- */
-
-#ifndef IXP4XX_QMGR_H
-#define IXP4XX_QMGR_H
-
-#include <linux/io.h>
-#include <linux/kernel.h>
-
-#define HALF_QUEUES 32
-#define QUEUES 64 /* only 32 lower queues currently supported */
-#define MAX_QUEUE_LENGTH 4 /* in dwords */
-
-#define QUEUE_STAT1_EMPTY 1 /* queue status bits */
-#define QUEUE_STAT1_NEARLY_EMPTY 2
-#define QUEUE_STAT1_NEARLY_FULL 4
-#define QUEUE_STAT1_FULL 8
-#define QUEUE_STAT2_UNDERFLOW 1
-#define QUEUE_STAT2_OVERFLOW 2
-
-#define QUEUE_WATERMARK_0_ENTRIES 0
-#define QUEUE_WATERMARK_1_ENTRY 1
-#define QUEUE_WATERMARK_2_ENTRIES 2
-#define QUEUE_WATERMARK_4_ENTRIES 3
-#define QUEUE_WATERMARK_8_ENTRIES 4
-#define QUEUE_WATERMARK_16_ENTRIES 5
-#define QUEUE_WATERMARK_32_ENTRIES 6
-#define QUEUE_WATERMARK_64_ENTRIES 7
-
-/* queue interrupt request conditions */
-#define QUEUE_IRQ_SRC_EMPTY 0
-#define QUEUE_IRQ_SRC_NEARLY_EMPTY 1
-#define QUEUE_IRQ_SRC_NEARLY_FULL 2
-#define QUEUE_IRQ_SRC_FULL 3
-#define QUEUE_IRQ_SRC_NOT_EMPTY 4
-#define QUEUE_IRQ_SRC_NOT_NEARLY_EMPTY 5
-#define QUEUE_IRQ_SRC_NOT_NEARLY_FULL 6
-#define QUEUE_IRQ_SRC_NOT_FULL 7
-
-struct qmgr_regs {
- u32 acc[QUEUES][MAX_QUEUE_LENGTH]; /* 0x000 - 0x3FF */
- u32 stat1[4]; /* 0x400 - 0x40F */
- u32 stat2[2]; /* 0x410 - 0x417 */
- u32 statne_h; /* 0x418 - queue nearly empty */
- u32 statf_h; /* 0x41C - queue full */
- u32 irqsrc[4]; /* 0x420 - 0x42F IRC source */
- u32 irqen[2]; /* 0x430 - 0x437 IRQ enabled */
- u32 irqstat[2]; /* 0x438 - 0x43F - IRQ access only */
- u32 reserved[1776];
- u32 sram[2048]; /* 0x2000 - 0x3FFF - config and buffer */
-};
-
-void qmgr_set_irq(unsigned int queue, int src,
- void (*handler)(void *pdev), void *pdev);
-void qmgr_enable_irq(unsigned int queue);
-void qmgr_disable_irq(unsigned int queue);
-
-/* request_ and release_queue() must be called from non-IRQ context */
-int qmgr_request_queue(unsigned int queue, unsigned int len /* dwords */,
- unsigned int nearly_empty_watermark,
- unsigned int nearly_full_watermark);
-void qmgr_release_queue(unsigned int queue);
-
-
-static inline void qmgr_put_entry(unsigned int queue, u32 val)
-{
- extern struct qmgr_regs __iomem *qmgr_regs;
- __raw_writel(val, &qmgr_regs->acc[queue][0]);
-}
-
-static inline u32 qmgr_get_entry(unsigned int queue)
-{
- extern struct qmgr_regs __iomem *qmgr_regs;
- return __raw_readl(&qmgr_regs->acc[queue][0]);
-}
-
-static inline int qmgr_get_stat1(unsigned int queue)
-{
- extern struct qmgr_regs __iomem *qmgr_regs;
- return (__raw_readl(&qmgr_regs->stat1[queue >> 3])
- >> ((queue & 7) << 2)) & 0xF;
-}
-
-static inline int qmgr_get_stat2(unsigned int queue)
-{
- extern struct qmgr_regs __iomem *qmgr_regs;
- return (__raw_readl(&qmgr_regs->stat2[queue >> 4])
- >> ((queue & 0xF) << 1)) & 0x3;
-}
-
-static inline int qmgr_stat_empty(unsigned int queue)
-{
- return !!(qmgr_get_stat1(queue) & QUEUE_STAT1_EMPTY);
-}
-
-static inline int qmgr_stat_nearly_empty(unsigned int queue)
-{
- return !!(qmgr_get_stat1(queue) & QUEUE_STAT1_NEARLY_EMPTY);
-}
-
-static inline int qmgr_stat_nearly_full(unsigned int queue)
-{
- return !!(qmgr_get_stat1(queue) & QUEUE_STAT1_NEARLY_FULL);
-}
-
-static inline int qmgr_stat_full(unsigned int queue)
-{
- return !!(qmgr_get_stat1(queue) & QUEUE_STAT1_FULL);
-}
-
-static inline int qmgr_stat_underflow(unsigned int queue)
-{
- return !!(qmgr_get_stat2(queue) & QUEUE_STAT2_UNDERFLOW);
-}
-
-static inline int qmgr_stat_overflow(unsigned int queue)
-{
- return !!(qmgr_get_stat2(queue) & QUEUE_STAT2_OVERFLOW);
-}
-
-#endif