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#ifndef __MODEM_UT_H__
#define __MODEM_UT_H__
#include <linux/wakelock.h>
#include <linux/dmapool.h>
#define LOOP_BACK // loop back, or gen Rx data
#ifdef LOOP_BACK
#ifdef CCCI_STATISTIC
#define STATISTIC // statistic data gathering for performance debug
#endif
//#define NO_RX_Q_LOCK // check comment in md_ut_rxq_process
#define NO_RX_Q_LOCK_IN_TX // check comment in md_ut_txq_process
#endif
#define MD_UT_MAJOR 169
#define MAX_QUEUE_LENGTH 32
#define QUEUE_BUDGET 16
typedef enum {
HIF_EX_INIT = 0, // interrupt
HIF_EX_ACK, // AP->MD
HIF_EX_INIT_DONE, // polling
HIF_EX_CLEARQ_DONE, //interrupt
HIF_EX_CLEARQ_ACK, // AP->MD
HIF_EX_ALLQ_RESET, // polling
}HIF_EX_STAGE;
struct md_ut_queue {
DIRECTION dir;
unsigned char index;
struct ccci_modem *modem;
struct list_head req_list;
spinlock_t req_lock;
int budget;
int length;
wait_queue_head_t req_wq;
// now only for Tx, Rx won't wait, just drop
int length_th;
#ifdef STATISTIC
unsigned int process_count; // write or dispatch operation
unsigned int not_complet_count; // have to wait due to list full
unsigned int data_count; // packet size accumulation
#endif
};
struct md_ut_ctrl{
struct md_ut_queue txq[3];
struct md_ut_queue rxq[3];
wait_queue_head_t sched_thread_wq;
unsigned char sched_thread_kick;
atomic_t reset_on_going;
struct wake_lock trm_wake_lock;
struct task_struct *sched_thread;
struct timer_list rx_gen_timer;
#ifdef STATISTIC
struct timer_list statistic_timer;
#endif
};
#define QUEUE_LEN(a) (sizeof(a)/sizeof(struct md_ut_queue))
static void inline md_ut_queue_struct_init(struct md_ut_queue *queue, struct ccci_modem *md,
DIRECTION dir, unsigned char index,
int th, int bg)
{
queue->dir = OUT;
queue->index = index;
queue->modem = md;
INIT_LIST_HEAD(&queue->req_list);
init_waitqueue_head(&queue->req_wq);
spin_lock_init(&queue->req_lock);
queue->length_th = th;
queue->budget = bg;
queue->length = 0;
#ifdef STATISTIC
queue->process_count = 0;
queue->not_complet_count = 0;
#endif
}
#endif //__MODEM_UT_H__
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