38 struct bcom_engine *bcom_eng = NULL;  variable
39 EXPORT_SYMBOL_GPL(bcom_eng);	/* needed for inline functions */
54 	if (!bcom_eng)  in bcom_task_alloc()
58 	spin_lock(&bcom_eng->lock);  in bcom_task_alloc()
61 		if (!bcom_eng->tdt[i].stop) {	/* we use stop as a marker */  in bcom_task_alloc()
62 			bcom_eng->tdt[i].stop = 0xfffffffful; /* dummy addr */  in bcom_task_alloc()
67 	spin_unlock(&bcom_eng->lock);  in bcom_task_alloc()
82 	tsk->irq = irq_of_parse_and_map(bcom_eng->ofnode, tsk->tasknum);  in bcom_task_alloc()
113 	bcom_eng->tdt[tasknum].stop = 0;  in bcom_task_alloc()
126 	bcom_eng->tdt[tsk->tasknum].start = 0;  in bcom_task_free()
127 	bcom_eng->tdt[tsk->tasknum].stop  = 0;  in bcom_task_free()
159 	tdt = &bcom_eng->tdt[task];  in bcom_load_image()
287 	bcom_eng->tdt = bcom_sram_alloc(tdt_size, sizeof(u32), &tdt_pa);  in bcom_engine_init()
288 	bcom_eng->ctx = bcom_sram_alloc(ctx_size, BCOM_CTX_ALIGN, &ctx_pa);  in bcom_engine_init()
289 	bcom_eng->var = bcom_sram_alloc(var_size, BCOM_VAR_ALIGN, &var_pa);  in bcom_engine_init()
290 	bcom_eng->fdt = bcom_sram_alloc(fdt_size, BCOM_FDT_ALIGN, &fdt_pa);  in bcom_engine_init()
292 	if (!bcom_eng->tdt || !bcom_eng->ctx || !bcom_eng->var || !bcom_eng->fdt) {  in bcom_engine_init()
295 		bcom_sram_free(bcom_eng->tdt);  in bcom_engine_init()
296 		bcom_sram_free(bcom_eng->ctx);  in bcom_engine_init()
297 		bcom_sram_free(bcom_eng->var);  in bcom_engine_init()
298 		bcom_sram_free(bcom_eng->fdt);  in bcom_engine_init()
303 	memset_io(bcom_eng->tdt, 0x00, tdt_size);  in bcom_engine_init()
304 	memset_io(bcom_eng->ctx, 0x00, ctx_size);  in bcom_engine_init()
305 	memset_io(bcom_eng->var, 0x00, var_size);  in bcom_engine_init()
306 	memset_io(bcom_eng->fdt, 0x00, fdt_size);  in bcom_engine_init()
309 	memcpy_toio(&bcom_eng->fdt[48], fdt_ops, sizeof(fdt_ops));  in bcom_engine_init()
314 		out_be16(&bcom_eng->regs->tcr[task], 0);  in bcom_engine_init()
315 		out_8(&bcom_eng->regs->ipr[task], 0);  in bcom_engine_init()
317 		bcom_eng->tdt[task].context	= ctx_pa;  in bcom_engine_init()
318 		bcom_eng->tdt[task].var	= var_pa;  in bcom_engine_init()
319 		bcom_eng->tdt[task].fdt	= fdt_pa;  in bcom_engine_init()
325 	out_be32(&bcom_eng->regs->taskBar, tdt_pa);  in bcom_engine_init()
328 	out_8(&bcom_eng->regs->ipr[BCOM_INITIATOR_ALWAYS], BCOM_IPR_ALWAYS);  in bcom_engine_init()
335 	spin_lock_init(&bcom_eng->lock);  in bcom_engine_init()
348 		out_be16(&bcom_eng->regs->tcr[task], 0);  in bcom_engine_cleanup()
349 		out_8(&bcom_eng->regs->ipr[task], 0);  in bcom_engine_cleanup()
352 	out_be32(&bcom_eng->regs->taskBar, 0ul);  in bcom_engine_cleanup()
355 	bcom_sram_free(bcom_eng->tdt);  in bcom_engine_cleanup()
356 	bcom_sram_free(bcom_eng->ctx);  in bcom_engine_cleanup()
357 	bcom_sram_free(bcom_eng->var);  in bcom_engine_cleanup()
358 	bcom_sram_free(bcom_eng->fdt);  in bcom_engine_cleanup()
397 	bcom_eng = kzalloc(sizeof(struct bcom_engine), GFP_KERNEL);  in mpc52xx_bcom_probe()
398 	if (!bcom_eng) {  in mpc52xx_bcom_probe()
404 	bcom_eng->ofnode = op->dev.of_node;  in mpc52xx_bcom_probe()
422 	bcom_eng->regs_base = res_bcom.start;  in mpc52xx_bcom_probe()
423 	bcom_eng->regs = ioremap(res_bcom.start, sizeof(struct mpc52xx_sdma));  in mpc52xx_bcom_probe()
424 	if (!bcom_eng->regs) {  in mpc52xx_bcom_probe()
438 		(long)bcom_eng->regs_base);  in mpc52xx_bcom_probe()
444 	iounmap(bcom_eng->regs);  in mpc52xx_bcom_probe()
448 	kfree(bcom_eng);  in mpc52xx_bcom_probe()
468 	iounmap(bcom_eng->regs);  in mpc52xx_bcom_remove()
469 	release_mem_region(bcom_eng->regs_base, sizeof(struct mpc52xx_sdma));  in mpc52xx_bcom_remove()
472 	of_node_put(bcom_eng->ofnode);  in mpc52xx_bcom_remove()
475 	kfree(bcom_eng);  in mpc52xx_bcom_remove()
476 	bcom_eng = NULL;  in mpc52xx_bcom_remove()