arm/mach-omap2/cminst44xx.c

380 static int omap4_clkdm_clear_all_wkup_sleep_deps(struct clockdomain *clkdm)
385 	if (!clkdm->prcm_partition)
388 	for (cd = clkdm->wkdep_srcs; cd && cd->clkdm_name; cd++) {
389 		if (!cd->clkdm)
392 		mask |= 1 << cd->clkdm->dep_bit;
396 	omap4_cminst_clear_inst_reg_bits(mask, clkdm->prcm_partition,
397 					 clkdm->cm_inst, clkdm->clkdm_offs +
402 static int omap4_clkdm_sleep(struct clockdomain *clkdm)
404 	if (clkdm->flags & CLKDM_CAN_HWSUP)
405 		omap4_cminst_clkdm_enable_hwsup(clkdm->prcm_partition,
406 						clkdm->cm_inst,
407 						clkdm->clkdm_offs);
408 	else if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP)
409 		omap4_cminst_clkdm_force_sleep(clkdm->prcm_partition,
410 					       clkdm->cm_inst,
411 					       clkdm->clkdm_offs);
418 static int omap4_clkdm_wakeup(struct clockdomain *clkdm)
420 	omap4_cminst_clkdm_force_wakeup(clkdm->prcm_partition,
421 					clkdm->cm_inst, clkdm->clkdm_offs);
425 static void omap4_clkdm_allow_idle(struct clockdomain *clkdm)
427 	omap4_cminst_clkdm_enable_hwsup(clkdm->prcm_partition,
428 					clkdm->cm_inst, clkdm->clkdm_offs);
431 static void omap4_clkdm_deny_idle(struct clockdomain *clkdm)
433 	if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
434 		omap4_clkdm_wakeup(clkdm);
436 		omap4_cminst_clkdm_disable_hwsup(clkdm->prcm_partition,
437 						 clkdm->cm_inst,
438 						 clkdm->clkdm_offs);
441 static int omap4_clkdm_clk_enable(struct clockdomain *clkdm)
443 	if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
444 		return omap4_clkdm_wakeup(clkdm);
449 static int omap4_clkdm_clk_disable(struct clockdomain *clkdm)
453 	if (!clkdm->prcm_partition)
461 	if (clkdm->flags & CLKDM_MISSING_IDLE_REPORTING &&
462 	    !(clkdm->flags & CLKDM_CAN_FORCE_SLEEP)) {
463 		omap4_clkdm_allow_idle(clkdm);
467 	hwsup = omap4_cminst_is_clkdm_in_hwsup(clkdm->prcm_partition,
468 					clkdm->cm_inst, clkdm->clkdm_offs);
470 	if (!hwsup && (clkdm->flags & CLKDM_CAN_FORCE_SLEEP))
471 		omap4_clkdm_sleep(clkdm);
483  * @clkdm: The clockdomain pointer whose context needs to be saved
487 static int omap4_clkdm_save_context(struct clockdomain *clkdm)
489 	clkdm->context = omap4_cminst_read_inst_reg(clkdm->prcm_partition,
490 						    clkdm->cm_inst,
491 						    clkdm->clkdm_offs +
493 	clkdm->context &= OMAP4430_MODULEMODE_MASK;
499  * @clkdm: The clockdomain pointer whose context needs to be restored
503 static int omap4_clkdm_restore_context(struct clockdomain *clkdm)
505 	switch (clkdm->context) {
507 		omap4_clkdm_deny_idle(clkdm);
510 		omap4_clkdm_sleep(clkdm);
513 		omap4_clkdm_wakeup(clkdm);
516 		omap4_clkdm_allow_idle(clkdm);