37 struct bcom_engine *bcom_eng = NULL;  variable
38 EXPORT_SYMBOL_GPL(bcom_eng);	/* needed for inline functions */
53 	if (!bcom_eng)  in bcom_task_alloc()
57 	spin_lock(&bcom_eng->lock);  in bcom_task_alloc()
60 		if (!bcom_eng->tdt[i].stop) {	/* we use stop as a marker */  in bcom_task_alloc()
61 			bcom_eng->tdt[i].stop = 0xfffffffful; /* dummy addr */  in bcom_task_alloc()
66 	spin_unlock(&bcom_eng->lock);  in bcom_task_alloc()
81 	tsk->irq = irq_of_parse_and_map(bcom_eng->ofnode, tsk->tasknum);  in bcom_task_alloc()
112 	bcom_eng->tdt[tasknum].stop = 0;  in bcom_task_alloc()
125 	bcom_eng->tdt[tsk->tasknum].start = 0;  in bcom_task_free()
126 	bcom_eng->tdt[tsk->tasknum].stop  = 0;  in bcom_task_free()
158 	tdt = &bcom_eng->tdt[task];  in bcom_load_image()
286 	bcom_eng->tdt = bcom_sram_alloc(tdt_size, sizeof(u32), &tdt_pa);  in bcom_engine_init()
287 	bcom_eng->ctx = bcom_sram_alloc(ctx_size, BCOM_CTX_ALIGN, &ctx_pa);  in bcom_engine_init()
288 	bcom_eng->var = bcom_sram_alloc(var_size, BCOM_VAR_ALIGN, &var_pa);  in bcom_engine_init()
289 	bcom_eng->fdt = bcom_sram_alloc(fdt_size, BCOM_FDT_ALIGN, &fdt_pa);  in bcom_engine_init()
291 	if (!bcom_eng->tdt || !bcom_eng->ctx || !bcom_eng->var || !bcom_eng->fdt) {  in bcom_engine_init()
294 		bcom_sram_free(bcom_eng->tdt);  in bcom_engine_init()
295 		bcom_sram_free(bcom_eng->ctx);  in bcom_engine_init()
296 		bcom_sram_free(bcom_eng->var);  in bcom_engine_init()
297 		bcom_sram_free(bcom_eng->fdt);  in bcom_engine_init()
302 	memset_io(bcom_eng->tdt, 0x00, tdt_size);  in bcom_engine_init()
303 	memset_io(bcom_eng->ctx, 0x00, ctx_size);  in bcom_engine_init()
304 	memset_io(bcom_eng->var, 0x00, var_size);  in bcom_engine_init()
305 	memset_io(bcom_eng->fdt, 0x00, fdt_size);  in bcom_engine_init()
308 	memcpy_toio(&bcom_eng->fdt[48], fdt_ops, sizeof(fdt_ops));  in bcom_engine_init()
313 		out_be16(&bcom_eng->regs->tcr[task], 0);  in bcom_engine_init()
314 		out_8(&bcom_eng->regs->ipr[task], 0);  in bcom_engine_init()
316 		bcom_eng->tdt[task].context	= ctx_pa;  in bcom_engine_init()
317 		bcom_eng->tdt[task].var	= var_pa;  in bcom_engine_init()
318 		bcom_eng->tdt[task].fdt	= fdt_pa;  in bcom_engine_init()
324 	out_be32(&bcom_eng->regs->taskBar, tdt_pa);  in bcom_engine_init()
327 	out_8(&bcom_eng->regs->ipr[BCOM_INITIATOR_ALWAYS], BCOM_IPR_ALWAYS);  in bcom_engine_init()
334 	spin_lock_init(&bcom_eng->lock);  in bcom_engine_init()
347 		out_be16(&bcom_eng->regs->tcr[task], 0);  in bcom_engine_cleanup()
348 		out_8(&bcom_eng->regs->ipr[task], 0);  in bcom_engine_cleanup()
351 	out_be32(&bcom_eng->regs->taskBar, 0ul);  in bcom_engine_cleanup()
354 	bcom_sram_free(bcom_eng->tdt);  in bcom_engine_cleanup()
355 	bcom_sram_free(bcom_eng->ctx);  in bcom_engine_cleanup()
356 	bcom_sram_free(bcom_eng->var);  in bcom_engine_cleanup()
357 	bcom_sram_free(bcom_eng->fdt);  in bcom_engine_cleanup()
396 	bcom_eng = kzalloc(sizeof(struct bcom_engine), GFP_KERNEL);  in mpc52xx_bcom_probe()
397 	if (!bcom_eng) {  in mpc52xx_bcom_probe()
403 	bcom_eng->ofnode = op->dev.of_node;  in mpc52xx_bcom_probe()
421 	bcom_eng->regs_base = res_bcom.start;  in mpc52xx_bcom_probe()
422 	bcom_eng->regs = ioremap(res_bcom.start, sizeof(struct mpc52xx_sdma));  in mpc52xx_bcom_probe()
423 	if (!bcom_eng->regs) {  in mpc52xx_bcom_probe()
437 		(long)bcom_eng->regs_base);  in mpc52xx_bcom_probe()
443 	iounmap(bcom_eng->regs);  in mpc52xx_bcom_probe()
447 	kfree(bcom_eng);  in mpc52xx_bcom_probe()
467 	iounmap(bcom_eng->regs);  in mpc52xx_bcom_remove()
468 	release_mem_region(bcom_eng->regs_base, sizeof(struct mpc52xx_sdma));  in mpc52xx_bcom_remove()
471 	of_node_put(bcom_eng->ofnode);  in mpc52xx_bcom_remove()
474 	kfree(bcom_eng);  in mpc52xx_bcom_remove()
475 	bcom_eng = NULL;  in mpc52xx_bcom_remove()