arm/mach-omap2/cm3xxx.c

172 static int omap3xxx_clkdm_clear_all_sleepdeps(struct clockdomain *clkdm)
177 	for (cd = clkdm->sleepdep_srcs; cd && cd->clkdm_name; cd++) {
178 		if (!cd->clkdm)
181 		mask |= 1 << cd->clkdm->dep_bit;
184 	omap2_cm_clear_mod_reg_bits(mask, clkdm->pwrdm.ptr->prcm_offs,
189 static int omap3xxx_clkdm_sleep(struct clockdomain *clkdm)
191 	omap3xxx_cm_clkdm_force_sleep(clkdm->pwrdm.ptr->prcm_offs,
192 				      clkdm->clktrctrl_mask);
196 static int omap3xxx_clkdm_wakeup(struct clockdomain *clkdm)
198 	omap3xxx_cm_clkdm_force_wakeup(clkdm->pwrdm.ptr->prcm_offs,
199 				       clkdm->clktrctrl_mask);
203 static void omap3xxx_clkdm_allow_idle(struct clockdomain *clkdm)
205 	if (clkdm->usecount > 0)
206 		clkdm_add_autodeps(clkdm);
208 	omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
209 				       clkdm->clktrctrl_mask);
212 static void omap3xxx_clkdm_deny_idle(struct clockdomain *clkdm)
214 	omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
215 					clkdm->clktrctrl_mask);
217 	if (clkdm->usecount > 0)
218 		clkdm_del_autodeps(clkdm);
221 static int omap3xxx_clkdm_clk_enable(struct clockdomain *clkdm)
225 	if (!clkdm->clktrctrl_mask)
233 	if ((clkdm->flags & CLKDM_MISSING_IDLE_REPORTING) &&
234 	    (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)) {
235 		omap3xxx_clkdm_wakeup(clkdm);
239 	hwsup = omap3xxx_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
240 					      clkdm->clktrctrl_mask);
244 		omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
245 						clkdm->clktrctrl_mask);
246 		clkdm_add_autodeps(clkdm);
247 		omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
248 					       clkdm->clktrctrl_mask);
250 		if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
251 			omap3xxx_clkdm_wakeup(clkdm);
257 static int omap3xxx_clkdm_clk_disable(struct clockdomain *clkdm)
261 	if (!clkdm->clktrctrl_mask)
269 	if (clkdm->flags & CLKDM_MISSING_IDLE_REPORTING &&
270 	    !(clkdm->flags & CLKDM_CAN_FORCE_SLEEP)) {
271 		omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
272 					       clkdm->clktrctrl_mask);
276 	hwsup = omap3xxx_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
277 					      clkdm->clktrctrl_mask);
281 		omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
282 						clkdm->clktrctrl_mask);
283 		clkdm_del_autodeps(clkdm);
284 		omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
285 					       clkdm->clktrctrl_mask);
287 		if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP)
288 			omap3xxx_clkdm_sleep(clkdm);