85 	int chnl;  in i_dmae_init()  local
90 	for (chnl = 0; chnl < NCHANS; chnl++) {  in i_dmae_init()
91 		sema_init(&dmae_stat[chnl].dch_lock, 1, NULL, SEMA_DRIVER,  in i_dmae_init()
107 i_dmae_acquire(dev_info_t *dip, int chnl, int (*dmae_waitfp)(), caddr_t arg)  in i_dmae_acquire()  argument
113 	    chnl, (void *)dmae_waitfp));  in i_dmae_acquire()
115 	if (!d37A_dma_valid(chnl))  in i_dmae_acquire()
119 		sema_p(&dmae_stat[chnl].dch_lock);  in i_dmae_acquire()
120 	} else if (sema_tryp(&dmae_stat[chnl].dch_lock) == 0) {  in i_dmae_acquire()
122 			dprintf(("_dma_acquire: channel %d is busy.\n", chnl));  in i_dmae_acquire()
125 			    &dmae_call_list[chnl]);  in i_dmae_acquire()
133 	dprintf(("_dma_acquire: channel %d now allocated.\n", chnl));  in i_dmae_acquire()
147 i_dmae_free(dev_info_t *dip, int chnl)  in i_dmae_free()  argument
152 	dprintf(("i_dmae_free: channel %d\n", chnl));  in i_dmae_free()
154 	d37A_dma_release(chnl);  in i_dmae_free()
158 	sema_v(&dmae_stat[chnl].dch_lock);  in i_dmae_free()
160 	if (dmae_call_list[chnl])  in i_dmae_free()
161 		ddi_run_callback(&dmae_call_list[chnl]);  in i_dmae_free()
190 _dmae_nxcookie(int chnl)  in _dmae_nxcookie()  argument
194 	dprintf(("_dmae_nxcookie: chnl %d\n", chnl));  in _dmae_nxcookie()
196 	if (dmae_stat[chnl].proc) {  in _dmae_nxcookie()
198 		cookiep = dmae_stat[chnl].proc(dmae_stat[chnl].procparms);  in _dmae_nxcookie()
223     ddi_dma_cookie_t *cp, int chnl)  in i_dmae_prog()  argument
231 	rval = d37A_prog_chan(dmaereqp, cp, chnl);  in i_dmae_prog()
234 		    chnl, (void *)dmaereqp));  in i_dmae_prog()
237 		    chnl, (void *)dmaereqp));  in i_dmae_prog()
238 		dcp = &dmae_stat[chnl];  in i_dmae_prog()
244 		d37A_dma_enable(chnl);  in i_dmae_prog()
262     ddi_dma_cookie_t *cp, int chnl)  in i_dmae_swsetup()  argument
270 	rval = d37A_dma_swsetup(dmaereqp, cp, chnl);  in i_dmae_swsetup()
273 		    chnl, (void *)dmaereqp));  in i_dmae_swsetup()
276 		    chnl, (void *)dmaereqp));  in i_dmae_swsetup()
277 		dcp = &dmae_stat[chnl];  in i_dmae_swsetup()
294 i_dmae_swstart(dev_info_t *dip, int chnl)  in i_dmae_swstart()  argument
299 	dprintf(("i_dmae_swstart: channel %d.\n", chnl));  in i_dmae_swstart()
301 	d37A_dma_swstart(chnl);  in i_dmae_swstart()
314 i_dmae_stop(dev_info_t *dip, int chnl)  in i_dmae_stop()  argument
319 	dprintf(("i_dmae_stop: channel %d\n", chnl));  in i_dmae_stop()
322 	d37A_dma_stop(chnl);  in i_dmae_stop()
324 	dmae_stat[chnl].dch_cookiep = NULL;  in i_dmae_stop()
338 i_dmae_enable(dev_info_t *dip, int chnl)  in i_dmae_enable()  argument
343 	dprintf(("i_dmae_enable: channel %d\n", chnl));  in i_dmae_enable()
345 	d37A_dma_enable(chnl);  in i_dmae_enable()
358 i_dmae_disable(dev_info_t *dip, int chnl)  in i_dmae_disable()  argument
365 	d37A_dma_disable(chnl);  in i_dmae_disable()
367 	dmae_stat[chnl].dch_cookiep = NULL;  in i_dmae_disable()
379 i_dmae_get_chan_stat(dev_info_t *dip, int chnl, ulong_t *addressp, int *countp)  in i_dmae_get_chan_stat()  argument
384 	dprintf(("i_dmae_get_chan_stat: channel %d", chnl));  in i_dmae_get_chan_stat()
386 	d37A_get_chan_stat(chnl, addressp, countp);  in i_dmae_get_chan_stat()