54 static int gdsc_check_status(struct gdsc *sc, enum gdsc_status status)  in gdsc_check_status()  argument
60 	if (sc->flags & POLL_CFG_GDSCR)  in gdsc_check_status()
61 		reg = sc->gdscr + CFG_GDSCR_OFFSET;  in gdsc_check_status()
62 	else if (sc->gds_hw_ctrl)  in gdsc_check_status()
63 		reg = sc->gds_hw_ctrl;  in gdsc_check_status()
65 		reg = sc->gdscr;  in gdsc_check_status()
67 	ret = regmap_read(sc->regmap, reg, &val);  in gdsc_check_status()
71 	if (sc->flags & POLL_CFG_GDSCR) {  in gdsc_check_status()
90 static int gdsc_hwctrl(struct gdsc *sc, bool en)  in gdsc_hwctrl()  argument
94 	return regmap_update_bits(sc->regmap, sc->gdscr, HW_CONTROL_MASK, val);  in gdsc_hwctrl()
97 static int gdsc_poll_status(struct gdsc *sc, enum gdsc_status status)  in gdsc_poll_status()  argument
103 		if (gdsc_check_status(sc, status))  in gdsc_poll_status()
107 	if (gdsc_check_status(sc, status))  in gdsc_poll_status()
113 static int gdsc_toggle_logic(struct gdsc *sc, enum gdsc_status status)  in gdsc_toggle_logic()  argument
118 	if (status == GDSC_ON && sc->rsupply) {  in gdsc_toggle_logic()
119 		ret = regulator_enable(sc->rsupply);  in gdsc_toggle_logic()
124 	ret = regmap_update_bits(sc->regmap, sc->gdscr, SW_COLLAPSE_MASK, val);  in gdsc_toggle_logic()
129 	if ((sc->flags & VOTABLE) && status == GDSC_OFF) {  in gdsc_toggle_logic()
139 	if (sc->gds_hw_ctrl) {  in gdsc_toggle_logic()
153 	ret = gdsc_poll_status(sc, status);  in gdsc_toggle_logic()
154 	WARN(ret, "%s status stuck at 'o%s'", sc->pd.name, status ? "ff" : "n");  in gdsc_toggle_logic()
156 	if (!ret && status == GDSC_OFF && sc->rsupply) {  in gdsc_toggle_logic()
157 		ret = regulator_disable(sc->rsupply);  in gdsc_toggle_logic()
165 static inline int gdsc_deassert_reset(struct gdsc *sc)  in gdsc_deassert_reset()  argument
169 	for (i = 0; i < sc->reset_count; i++)  in gdsc_deassert_reset()
170 		sc->rcdev->ops->deassert(sc->rcdev, sc->resets[i]);  in gdsc_deassert_reset()
174 static inline int gdsc_assert_reset(struct gdsc *sc)  in gdsc_assert_reset()  argument
178 	for (i = 0; i < sc->reset_count; i++)  in gdsc_assert_reset()
179 		sc->rcdev->ops->assert(sc->rcdev, sc->resets[i]);  in gdsc_assert_reset()
183 static inline void gdsc_force_mem_on(struct gdsc *sc)  in gdsc_force_mem_on()  argument
188 	for (i = 0; i < sc->cxc_count; i++)  in gdsc_force_mem_on()
189 		regmap_update_bits(sc->regmap, sc->cxcs[i], mask, mask);  in gdsc_force_mem_on()
192 static inline void gdsc_clear_mem_on(struct gdsc *sc)  in gdsc_clear_mem_on()  argument
197 	for (i = 0; i < sc->cxc_count; i++)  in gdsc_clear_mem_on()
198 		regmap_update_bits(sc->regmap, sc->cxcs[i], mask, 0);  in gdsc_clear_mem_on()
201 static inline void gdsc_deassert_clamp_io(struct gdsc *sc)  in gdsc_deassert_clamp_io()  argument
203 	regmap_update_bits(sc->regmap, sc->clamp_io_ctrl,  in gdsc_deassert_clamp_io()
207 static inline void gdsc_assert_clamp_io(struct gdsc *sc)  in gdsc_assert_clamp_io()  argument
209 	regmap_update_bits(sc->regmap, sc->clamp_io_ctrl,  in gdsc_assert_clamp_io()
213 static inline void gdsc_assert_reset_aon(struct gdsc *sc)  in gdsc_assert_reset_aon()  argument
215 	regmap_update_bits(sc->regmap, sc->clamp_io_ctrl,  in gdsc_assert_reset_aon()
218 	regmap_update_bits(sc->regmap, sc->clamp_io_ctrl,  in gdsc_assert_reset_aon()
222 static void gdsc_retain_ff_on(struct gdsc *sc)  in gdsc_retain_ff_on()  argument
226 	regmap_update_bits(sc->regmap, sc->gdscr, mask, mask);  in gdsc_retain_ff_on()
231 	struct gdsc *sc = domain_to_gdsc(domain);  in gdsc_enable()  local
234 	if (sc->pwrsts == PWRSTS_ON)  in gdsc_enable()
235 		return gdsc_deassert_reset(sc);  in gdsc_enable()
237 	if (sc->flags & SW_RESET) {  in gdsc_enable()
238 		gdsc_assert_reset(sc);  in gdsc_enable()
240 		gdsc_deassert_reset(sc);  in gdsc_enable()
243 	if (sc->flags & CLAMP_IO) {  in gdsc_enable()
244 		if (sc->flags & AON_RESET)  in gdsc_enable()
245 			gdsc_assert_reset_aon(sc);  in gdsc_enable()
246 		gdsc_deassert_clamp_io(sc);  in gdsc_enable()
249 	ret = gdsc_toggle_logic(sc, GDSC_ON);  in gdsc_enable()
253 	if (sc->pwrsts & PWRSTS_OFF)  in gdsc_enable()
254 		gdsc_force_mem_on(sc);  in gdsc_enable()
266 	if (sc->flags & HW_CTRL) {  in gdsc_enable()
267 		ret = gdsc_hwctrl(sc, true);  in gdsc_enable()
281 	if (sc->flags & RETAIN_FF_ENABLE)  in gdsc_enable()
282 		gdsc_retain_ff_on(sc);  in gdsc_enable()
289 	struct gdsc *sc = domain_to_gdsc(domain);  in gdsc_disable()  local
292 	if (sc->pwrsts == PWRSTS_ON)  in gdsc_disable()
293 		return gdsc_assert_reset(sc);  in gdsc_disable()
296 	if (sc->flags & HW_CTRL) {  in gdsc_disable()
297 		ret = gdsc_hwctrl(sc, false);  in gdsc_disable()
308 		ret = gdsc_poll_status(sc, GDSC_ON);  in gdsc_disable()
313 	if (sc->pwrsts & PWRSTS_OFF)  in gdsc_disable()
314 		gdsc_clear_mem_on(sc);  in gdsc_disable()
316 	ret = gdsc_toggle_logic(sc, GDSC_OFF);  in gdsc_disable()
320 	if (sc->flags & CLAMP_IO)  in gdsc_disable()
321 		gdsc_assert_clamp_io(sc);  in gdsc_disable()
326 static int gdsc_init(struct gdsc *sc)  in gdsc_init()  argument
339 	ret = regmap_update_bits(sc->regmap, sc->gdscr, mask, val);  in gdsc_init()
344 	if (sc->pwrsts == PWRSTS_ON) {  in gdsc_init()
345 		ret = gdsc_toggle_logic(sc, GDSC_ON);  in gdsc_init()
350 	on = gdsc_check_status(sc, GDSC_ON);  in gdsc_init()
358 	if ((sc->flags & VOTABLE) && on)  in gdsc_init()
359 		gdsc_enable(&sc->pd);  in gdsc_init()
366 	if ((sc->flags & RETAIN_FF_ENABLE) && on)  in gdsc_init()
367 		gdsc_retain_ff_on(sc);  in gdsc_init()
370 	if (sc->flags & ALWAYS_ON) {  in gdsc_init()
372 			gdsc_enable(&sc->pd);  in gdsc_init()
374 		sc->pd.flags |= GENPD_FLAG_ALWAYS_ON;  in gdsc_init()
377 	if (on || (sc->pwrsts & PWRSTS_RET))  in gdsc_init()
378 		gdsc_force_mem_on(sc);  in gdsc_init()
380 		gdsc_clear_mem_on(sc);  in gdsc_init()
382 	if (!sc->pd.power_off)  in gdsc_init()
383 		sc->pd.power_off = gdsc_disable;  in gdsc_init()
384 	if (!sc->pd.power_on)  in gdsc_init()
385 		sc->pd.power_on = gdsc_enable;  in gdsc_init()
386 	pm_genpd_init(&sc->pd, NULL, !on);  in gdsc_init()