21 #define QUEUE_STAT1_EMPTY		1 /* queue status bits */
37 /* queue interrupt request conditions */
51 	u32 statne_h;		/* 0x418 - queue nearly empty */
52 	u32 statf_h;		/* 0x41C - queue full */
60 void qmgr_set_irq(unsigned int queue, int src,
62 void qmgr_enable_irq(unsigned int queue);
63 void qmgr_disable_irq(unsigned int queue);
70 int qmgr_request_queue(unsigned int queue, unsigned int len /* dwords */,
75 int __qmgr_request_queue(unsigned int queue, unsigned int len /* dwords */,
78 #define qmgr_request_queue(queue, len, nearly_empty_watermark,		\  argument
80 	__qmgr_request_queue(queue, len, nearly_empty_watermark,	\
84 void qmgr_release_queue(unsigned int queue);
87 static inline void qmgr_put_entry(unsigned int queue, u32 val)  in qmgr_put_entry()  argument
91 	BUG_ON(!qmgr_queue_descs[queue]); /* not yet requested */  in qmgr_put_entry()
93 	printk(KERN_DEBUG "Queue %s(%i) put %X\n",  in qmgr_put_entry()
94 	       qmgr_queue_descs[queue], queue, val);  in qmgr_put_entry()
96 	__raw_writel(val, &qmgr_regs->acc[queue][0]);  in qmgr_put_entry()
99 static inline u32 qmgr_get_entry(unsigned int queue)  in qmgr_get_entry()  argument
103 	val = __raw_readl(&qmgr_regs->acc[queue][0]);  in qmgr_get_entry()
105 	BUG_ON(!qmgr_queue_descs[queue]); /* not yet requested */  in qmgr_get_entry()
107 	printk(KERN_DEBUG "Queue %s(%i) get %X\n",  in qmgr_get_entry()
108 	       qmgr_queue_descs[queue], queue, val);  in qmgr_get_entry()
113 static inline int __qmgr_get_stat1(unsigned int queue)  in __qmgr_get_stat1()  argument
116 	return (__raw_readl(&qmgr_regs->stat1[queue >> 3])  in __qmgr_get_stat1()
117 		>> ((queue & 7) << 2)) & 0xF;  in __qmgr_get_stat1()
120 static inline int __qmgr_get_stat2(unsigned int queue)  in __qmgr_get_stat2()  argument
123 	BUG_ON(queue >= HALF_QUEUES);  in __qmgr_get_stat2()
124 	return (__raw_readl(&qmgr_regs->stat2[queue >> 4])  in __qmgr_get_stat2()
125 		>> ((queue & 0xF) << 1)) & 0x3;  in __qmgr_get_stat2()
129  * qmgr_stat_empty() - checks if a hardware queue is empty
130  * @queue:	queue number
132  * Returns non-zero value if the queue is empty.
134 static inline int qmgr_stat_empty(unsigned int queue)  in qmgr_stat_empty()  argument
136 	BUG_ON(queue >= HALF_QUEUES);  in qmgr_stat_empty()
137 	return __qmgr_get_stat1(queue) & QUEUE_STAT1_EMPTY;  in qmgr_stat_empty()
141  * qmgr_stat_below_low_watermark() - checks if a queue is below low watermark
142  * @queue:	queue number
144  * Returns non-zero value if the queue is below low watermark.
146 static inline int qmgr_stat_below_low_watermark(unsigned int queue)  in qmgr_stat_below_low_watermark()  argument
149 	if (queue >= HALF_QUEUES)  in qmgr_stat_below_low_watermark()
151 			(queue - HALF_QUEUES)) & 0x01;  in qmgr_stat_below_low_watermark()
152 	return __qmgr_get_stat1(queue) & QUEUE_STAT1_NEARLY_EMPTY;  in qmgr_stat_below_low_watermark()
156  * qmgr_stat_above_high_watermark() - checks if a queue is above high watermark
157  * @queue:	queue number
159  * Returns non-zero value if the queue is above high watermark
161 static inline int qmgr_stat_above_high_watermark(unsigned int queue)  in qmgr_stat_above_high_watermark()  argument
163 	BUG_ON(queue >= HALF_QUEUES);  in qmgr_stat_above_high_watermark()
164 	return __qmgr_get_stat1(queue) & QUEUE_STAT1_NEARLY_FULL;  in qmgr_stat_above_high_watermark()
168  * qmgr_stat_full() - checks if a hardware queue is full
169  * @queue:	queue number
171  * Returns non-zero value if the queue is full.
173 static inline int qmgr_stat_full(unsigned int queue)  in qmgr_stat_full()  argument
176 	if (queue >= HALF_QUEUES)  in qmgr_stat_full()
178 			(queue - HALF_QUEUES)) & 0x01;  in qmgr_stat_full()
179 	return __qmgr_get_stat1(queue) & QUEUE_STAT1_FULL;  in qmgr_stat_full()
183  * qmgr_stat_underflow() - checks if a hardware queue experienced underflow
184  * @queue:	queue number
186  * Returns non-zero value if the queue experienced underflow.
188 static inline int qmgr_stat_underflow(unsigned int queue)  in qmgr_stat_underflow()  argument
190 	return __qmgr_get_stat2(queue) & QUEUE_STAT2_UNDERFLOW;  in qmgr_stat_underflow()
194  * qmgr_stat_overflow() - checks if a hardware queue experienced overflow
195  * @queue:	queue number
197  * Returns non-zero value if the queue experienced overflow.
199 static inline int qmgr_stat_overflow(unsigned int queue)  in qmgr_stat_overflow()  argument
201 	return __qmgr_get_stat2(queue) & QUEUE_STAT2_OVERFLOW;  in qmgr_stat_overflow()