fsl/bestcomm/bestcomm.h

68  * @tsk: The BestComm task structure
73 extern void bcom_enable(struct bcom_task *tsk);
77  * @tsk: The BestComm task structure
82 extern void bcom_disable(struct bcom_task *tsk);
87  * @tsk: The BestComm task structure
90 bcom_get_task_irq(struct bcom_task *tsk) {
91 	return tsk->irq;
101  * @tsk: pointer to task structure
106 _bcom_next_index(struct bcom_task *tsk)
108 	return ((tsk->index + 1) == tsk->num_bd) ? 0 : tsk->index + 1;
112  * @tsk: pointer to task structure
117 _bcom_next_outdex(struct bcom_task *tsk)
119 	return ((tsk->outdex + 1) == tsk->num_bd) ? 0 : tsk->outdex + 1;
124  * @tsk: The BestComm task structure
127 bcom_queue_empty(struct bcom_task *tsk)
129 	return tsk->index == tsk->outdex;
134  * @tsk: The BestComm task structure
137 bcom_queue_full(struct bcom_task *tsk)
139 	return tsk->outdex == _bcom_next_index(tsk);
144  * @tsk: The BestComm task structure
148 *bcom_get_bd(struct bcom_task *tsk, unsigned int index)
152 	return ((void *)tsk->bd) + (index * tsk->bd_size);
157  * @tsk: The BestComm task structure
160 bcom_buffer_done(struct bcom_task *tsk)
163 	if (bcom_queue_empty(tsk))
166 	bd = bcom_get_bd(tsk, tsk->outdex);
172  * @tsk: The BestComm task structure
177 bcom_prepare_next_buffer(struct bcom_task *tsk)
181 	bd = bcom_get_bd(tsk, tsk->index);
187 bcom_submit_next_buffer(struct bcom_task *tsk, void *cookie)
189 	struct bcom_bd *bd = bcom_get_bd(tsk, tsk->index);
191 	tsk->cookie[tsk->index] = cookie;
194 	tsk->index = _bcom_next_index(tsk);
195 	if (tsk->flags & BCOM_FLAGS_ENABLE_TASK)
196 		bcom_enable(tsk);
200 bcom_retrieve_buffer(struct bcom_task *tsk, u32 *p_status, struct bcom_bd **p_bd)
202 	void *cookie = tsk->cookie[tsk->outdex];
203 	struct bcom_bd *bd = bcom_get_bd(tsk, tsk->outdex);
209 	tsk->outdex = _bcom_next_outdex(tsk);