40 struct bcom_engine *bcom_eng = NULL;  variable
41 EXPORT_SYMBOL_GPL(bcom_eng);	/* needed for inline functions */
56 	if (!bcom_eng)  in bcom_task_alloc()
60 	spin_lock(&bcom_eng->lock);  in bcom_task_alloc()
63 		if (!bcom_eng->tdt[i].stop) {	/* we use stop as a marker */  in bcom_task_alloc()
64 			bcom_eng->tdt[i].stop = 0xfffffffful; /* dummy addr */  in bcom_task_alloc()
69 	spin_unlock(&bcom_eng->lock);  in bcom_task_alloc()
84 	tsk->irq = irq_of_parse_and_map(bcom_eng->ofnode, tsk->tasknum);  in bcom_task_alloc()
115 	bcom_eng->tdt[tasknum].stop = 0;  in bcom_task_alloc()
128 	bcom_eng->tdt[tsk->tasknum].start = 0;  in bcom_task_free()
129 	bcom_eng->tdt[tsk->tasknum].stop  = 0;  in bcom_task_free()
161 	tdt = &bcom_eng->tdt[task];  in bcom_load_image()
289 	bcom_eng->tdt = bcom_sram_alloc(tdt_size, sizeof(u32), &tdt_pa);  in bcom_engine_init()
290 	bcom_eng->ctx = bcom_sram_alloc(ctx_size, BCOM_CTX_ALIGN, &ctx_pa);  in bcom_engine_init()
291 	bcom_eng->var = bcom_sram_alloc(var_size, BCOM_VAR_ALIGN, &var_pa);  in bcom_engine_init()
292 	bcom_eng->fdt = bcom_sram_alloc(fdt_size, BCOM_FDT_ALIGN, &fdt_pa);  in bcom_engine_init()
294 	if (!bcom_eng->tdt || !bcom_eng->ctx || !bcom_eng->var || !bcom_eng->fdt) {  in bcom_engine_init()
297 		bcom_sram_free(bcom_eng->tdt);  in bcom_engine_init()
298 		bcom_sram_free(bcom_eng->ctx);  in bcom_engine_init()
299 		bcom_sram_free(bcom_eng->var);  in bcom_engine_init()
300 		bcom_sram_free(bcom_eng->fdt);  in bcom_engine_init()
305 	memset(bcom_eng->tdt, 0x00, tdt_size);  in bcom_engine_init()
306 	memset(bcom_eng->ctx, 0x00, ctx_size);  in bcom_engine_init()
307 	memset(bcom_eng->var, 0x00, var_size);  in bcom_engine_init()
308 	memset(bcom_eng->fdt, 0x00, fdt_size);  in bcom_engine_init()
311 	memcpy(&bcom_eng->fdt[48], fdt_ops, sizeof(fdt_ops));  in bcom_engine_init()
316 		out_be16(&bcom_eng->regs->tcr[task], 0);  in bcom_engine_init()
317 		out_8(&bcom_eng->regs->ipr[task], 0);  in bcom_engine_init()
319 		bcom_eng->tdt[task].context	= ctx_pa;  in bcom_engine_init()
320 		bcom_eng->tdt[task].var	= var_pa;  in bcom_engine_init()
321 		bcom_eng->tdt[task].fdt	= fdt_pa;  in bcom_engine_init()
327 	out_be32(&bcom_eng->regs->taskBar, tdt_pa);  in bcom_engine_init()
330 	out_8(&bcom_eng->regs->ipr[BCOM_INITIATOR_ALWAYS], BCOM_IPR_ALWAYS);  in bcom_engine_init()
337 	spin_lock_init(&bcom_eng->lock);  in bcom_engine_init()
350 		out_be16(&bcom_eng->regs->tcr[task], 0);  in bcom_engine_cleanup()
351 		out_8(&bcom_eng->regs->ipr[task], 0);  in bcom_engine_cleanup()
354 	out_be32(&bcom_eng->regs->taskBar, 0ul);  in bcom_engine_cleanup()
357 	bcom_sram_free(bcom_eng->tdt);  in bcom_engine_cleanup()
358 	bcom_sram_free(bcom_eng->ctx);  in bcom_engine_cleanup()
359 	bcom_sram_free(bcom_eng->var);  in bcom_engine_cleanup()
360 	bcom_sram_free(bcom_eng->fdt);  in bcom_engine_cleanup()
399 	bcom_eng = kzalloc(sizeof(struct bcom_engine), GFP_KERNEL);  in mpc52xx_bcom_probe()
400 	if (!bcom_eng) {  in mpc52xx_bcom_probe()
406 	bcom_eng->ofnode = op->dev.of_node;  in mpc52xx_bcom_probe()
424 	bcom_eng->regs_base = res_bcom.start;  in mpc52xx_bcom_probe()
425 	bcom_eng->regs = ioremap(res_bcom.start, sizeof(struct mpc52xx_sdma));  in mpc52xx_bcom_probe()
426 	if (!bcom_eng->regs) {  in mpc52xx_bcom_probe()
440 		(long)bcom_eng->regs_base);  in mpc52xx_bcom_probe()
446 	iounmap(bcom_eng->regs);  in mpc52xx_bcom_probe()
450 	kfree(bcom_eng);  in mpc52xx_bcom_probe()
470 	iounmap(bcom_eng->regs);  in mpc52xx_bcom_remove()
471 	release_mem_region(bcom_eng->regs_base, sizeof(struct mpc52xx_sdma));  in mpc52xx_bcom_remove()
474 	of_node_put(bcom_eng->ofnode);  in mpc52xx_bcom_remove()
477 	kfree(bcom_eng);  in mpc52xx_bcom_remove()
478 	bcom_eng = NULL;  in mpc52xx_bcom_remove()