83 	int chnl;  in i_dmae_init()  local
88 	for (chnl = 0; chnl < NCHANS; chnl++) {  in i_dmae_init()
89 		sema_init(&dmae_stat[chnl].dch_lock, 1, NULL, SEMA_DRIVER,  in i_dmae_init()
105 i_dmae_acquire(dev_info_t *dip, int chnl, int (*dmae_waitfp)(), caddr_t arg)  in i_dmae_acquire()  argument
111 	    chnl, (void *)dmae_waitfp));  in i_dmae_acquire()
113 	if (!d37A_dma_valid(chnl))  in i_dmae_acquire()
117 		sema_p(&dmae_stat[chnl].dch_lock);  in i_dmae_acquire()
118 	} else if (sema_tryp(&dmae_stat[chnl].dch_lock) == 0) {  in i_dmae_acquire()
120 			dprintf(("_dma_acquire: channel %d is busy.\n", chnl));  in i_dmae_acquire()
123 			    &dmae_call_list[chnl]);  in i_dmae_acquire()
131 	dprintf(("_dma_acquire: channel %d now allocated.\n", chnl));  in i_dmae_acquire()
145 i_dmae_free(dev_info_t *dip, int chnl)  in i_dmae_free()  argument
150 	dprintf(("i_dmae_free: channel %d\n", chnl));  in i_dmae_free()
152 	d37A_dma_release(chnl);  in i_dmae_free()
156 	sema_v(&dmae_stat[chnl].dch_lock);  in i_dmae_free()
158 	if (dmae_call_list[chnl])  in i_dmae_free()
159 		ddi_run_callback(&dmae_call_list[chnl]);  in i_dmae_free()
188 _dmae_nxcookie(int chnl)  in _dmae_nxcookie()  argument
192 	dprintf(("_dmae_nxcookie: chnl %d\n", chnl));  in _dmae_nxcookie()
194 	if (dmae_stat[chnl].proc) {  in _dmae_nxcookie()
196 		cookiep = dmae_stat[chnl].proc(dmae_stat[chnl].procparms);  in _dmae_nxcookie()
221     ddi_dma_cookie_t *cp, int chnl)  in i_dmae_prog()  argument
229 	rval = d37A_prog_chan(dmaereqp, cp, chnl);  in i_dmae_prog()
232 		    chnl, (void *)dmaereqp));  in i_dmae_prog()
235 		    chnl, (void *)dmaereqp));  in i_dmae_prog()
236 		dcp = &dmae_stat[chnl];  in i_dmae_prog()
242 		d37A_dma_enable(chnl);  in i_dmae_prog()
260     ddi_dma_cookie_t *cp, int chnl)  in i_dmae_swsetup()  argument
268 	rval = d37A_dma_swsetup(dmaereqp, cp, chnl);  in i_dmae_swsetup()
271 		    chnl, (void *)dmaereqp));  in i_dmae_swsetup()
274 		    chnl, (void *)dmaereqp));  in i_dmae_swsetup()
275 		dcp = &dmae_stat[chnl];  in i_dmae_swsetup()
292 i_dmae_swstart(dev_info_t *dip, int chnl)  in i_dmae_swstart()  argument
297 	dprintf(("i_dmae_swstart: channel %d.\n", chnl));  in i_dmae_swstart()
299 	d37A_dma_swstart(chnl);  in i_dmae_swstart()
312 i_dmae_stop(dev_info_t *dip, int chnl)  in i_dmae_stop()  argument
317 	dprintf(("i_dmae_stop: channel %d\n", chnl));  in i_dmae_stop()
320 	d37A_dma_stop(chnl);  in i_dmae_stop()
322 	dmae_stat[chnl].dch_cookiep = NULL;  in i_dmae_stop()
336 i_dmae_enable(dev_info_t *dip, int chnl)  in i_dmae_enable()  argument
341 	dprintf(("i_dmae_enable: channel %d\n", chnl));  in i_dmae_enable()
343 	d37A_dma_enable(chnl);  in i_dmae_enable()
356 i_dmae_disable(dev_info_t *dip, int chnl)  in i_dmae_disable()  argument
363 	d37A_dma_disable(chnl);  in i_dmae_disable()
365 	dmae_stat[chnl].dch_cookiep = NULL;  in i_dmae_disable()
377 i_dmae_get_chan_stat(dev_info_t *dip, int chnl, ulong_t *addressp, int *countp)  in i_dmae_get_chan_stat()  argument
382 	dprintf(("i_dmae_get_chan_stat: channel %d", chnl));  in i_dmae_get_chan_stat()
384 	d37A_get_chan_stat(chnl, addressp, countp);  in i_dmae_get_chan_stat()