59 static int gdsc_check_status(struct gdsc *sc, enum gdsc_status status)  in gdsc_check_status()  argument
65 	if (sc->flags & POLL_CFG_GDSCR)  in gdsc_check_status()
66 		reg = sc->gdscr + CFG_GDSCR_OFFSET;  in gdsc_check_status()
67 	else if (sc->gds_hw_ctrl)  in gdsc_check_status()
68 		reg = sc->gds_hw_ctrl;  in gdsc_check_status()
70 		reg = sc->gdscr;  in gdsc_check_status()
72 	ret = regmap_read(sc->regmap, reg, &val);  in gdsc_check_status()
76 	if (sc->flags & POLL_CFG_GDSCR) {  in gdsc_check_status()
95 static int gdsc_hwctrl(struct gdsc *sc, bool en)  in gdsc_hwctrl()  argument
99 	return regmap_update_bits(sc->regmap, sc->gdscr, HW_CONTROL_MASK, val);  in gdsc_hwctrl()
102 static int gdsc_poll_status(struct gdsc *sc, enum gdsc_status status)  in gdsc_poll_status()  argument
108 		if (gdsc_check_status(sc, status))  in gdsc_poll_status()
112 	if (gdsc_check_status(sc, status))  in gdsc_poll_status()
118 static int gdsc_toggle_logic(struct gdsc *sc, enum gdsc_status status)  in gdsc_toggle_logic()  argument
123 	ret = regmap_update_bits(sc->regmap, sc->gdscr, SW_COLLAPSE_MASK, val);  in gdsc_toggle_logic()
128 	if ((sc->flags & VOTABLE) && status == GDSC_OFF) {  in gdsc_toggle_logic()
138 	if (sc->gds_hw_ctrl) {  in gdsc_toggle_logic()
152 	return gdsc_poll_status(sc, status);  in gdsc_toggle_logic()
155 static inline int gdsc_deassert_reset(struct gdsc *sc)  in gdsc_deassert_reset()  argument
159 	for (i = 0; i < sc->reset_count; i++)  in gdsc_deassert_reset()
160 		sc->rcdev->ops->deassert(sc->rcdev, sc->resets[i]);  in gdsc_deassert_reset()
164 static inline int gdsc_assert_reset(struct gdsc *sc)  in gdsc_assert_reset()  argument
168 	for (i = 0; i < sc->reset_count; i++)  in gdsc_assert_reset()
169 		sc->rcdev->ops->assert(sc->rcdev, sc->resets[i]);  in gdsc_assert_reset()
173 static inline void gdsc_force_mem_on(struct gdsc *sc)  in gdsc_force_mem_on()  argument
178 	for (i = 0; i < sc->cxc_count; i++)  in gdsc_force_mem_on()
179 		regmap_update_bits(sc->regmap, sc->cxcs[i], mask, mask);  in gdsc_force_mem_on()
182 static inline void gdsc_clear_mem_on(struct gdsc *sc)  in gdsc_clear_mem_on()  argument
187 	for (i = 0; i < sc->cxc_count; i++)  in gdsc_clear_mem_on()
188 		regmap_update_bits(sc->regmap, sc->cxcs[i], mask, 0);  in gdsc_clear_mem_on()
191 static inline void gdsc_deassert_clamp_io(struct gdsc *sc)  in gdsc_deassert_clamp_io()  argument
193 	regmap_update_bits(sc->regmap, sc->clamp_io_ctrl,  in gdsc_deassert_clamp_io()
197 static inline void gdsc_assert_clamp_io(struct gdsc *sc)  in gdsc_assert_clamp_io()  argument
199 	regmap_update_bits(sc->regmap, sc->clamp_io_ctrl,  in gdsc_assert_clamp_io()
203 static inline void gdsc_assert_reset_aon(struct gdsc *sc)  in gdsc_assert_reset_aon()  argument
205 	regmap_update_bits(sc->regmap, sc->clamp_io_ctrl,  in gdsc_assert_reset_aon()
208 	regmap_update_bits(sc->regmap, sc->clamp_io_ctrl,  in gdsc_assert_reset_aon()
213 	struct gdsc *sc = domain_to_gdsc(domain);  in gdsc_enable()  local
216 	if (sc->pwrsts == PWRSTS_ON)  in gdsc_enable()
217 		return gdsc_deassert_reset(sc);  in gdsc_enable()
219 	if (sc->flags & SW_RESET) {  in gdsc_enable()
220 		gdsc_assert_reset(sc);  in gdsc_enable()
222 		gdsc_deassert_reset(sc);  in gdsc_enable()
225 	if (sc->flags & CLAMP_IO) {  in gdsc_enable()
226 		if (sc->flags & AON_RESET)  in gdsc_enable()
227 			gdsc_assert_reset_aon(sc);  in gdsc_enable()
228 		gdsc_deassert_clamp_io(sc);  in gdsc_enable()
231 	ret = gdsc_toggle_logic(sc, GDSC_ON);  in gdsc_enable()
235 	if (sc->pwrsts & PWRSTS_OFF)  in gdsc_enable()
236 		gdsc_force_mem_on(sc);  in gdsc_enable()
248 	if (sc->flags & HW_CTRL) {  in gdsc_enable()
249 		ret = gdsc_hwctrl(sc, true);  in gdsc_enable()
268 	struct gdsc *sc = domain_to_gdsc(domain);  in gdsc_disable()  local
271 	if (sc->pwrsts == PWRSTS_ON)  in gdsc_disable()
272 		return gdsc_assert_reset(sc);  in gdsc_disable()
275 	if (sc->flags & HW_CTRL) {  in gdsc_disable()
276 		ret = gdsc_hwctrl(sc, false);  in gdsc_disable()
287 		ret = gdsc_poll_status(sc, GDSC_ON);  in gdsc_disable()
292 	if (sc->pwrsts & PWRSTS_OFF)  in gdsc_disable()
293 		gdsc_clear_mem_on(sc);  in gdsc_disable()
295 	ret = gdsc_toggle_logic(sc, GDSC_OFF);  in gdsc_disable()
299 	if (sc->flags & CLAMP_IO)  in gdsc_disable()
300 		gdsc_assert_clamp_io(sc);  in gdsc_disable()
305 static int gdsc_init(struct gdsc *sc)  in gdsc_init()  argument
318 	ret = regmap_update_bits(sc->regmap, sc->gdscr, mask, val);  in gdsc_init()
323 	if (sc->pwrsts == PWRSTS_ON) {  in gdsc_init()
324 		ret = gdsc_toggle_logic(sc, GDSC_ON);  in gdsc_init()
329 	on = gdsc_check_status(sc, GDSC_ON);  in gdsc_init()
337 	if ((sc->flags & VOTABLE) && on)  in gdsc_init()
338 		gdsc_enable(&sc->pd);  in gdsc_init()
341 	if (sc->flags & ALWAYS_ON) {  in gdsc_init()
343 			gdsc_enable(&sc->pd);  in gdsc_init()
345 		sc->pd.flags |= GENPD_FLAG_ALWAYS_ON;  in gdsc_init()
348 	if (on || (sc->pwrsts & PWRSTS_RET))  in gdsc_init()
349 		gdsc_force_mem_on(sc);  in gdsc_init()
351 		gdsc_clear_mem_on(sc);  in gdsc_init()
353 	sc->pd.power_off = gdsc_disable;  in gdsc_init()
354 	sc->pd.power_on = gdsc_enable;  in gdsc_init()
355 	pm_genpd_init(&sc->pd, NULL, !on);  in gdsc_init()