51 static int gdsc_check_status(struct gdsc *sc, enum gdsc_status status)  in gdsc_check_status()  argument
57 	if (sc->flags & POLL_CFG_GDSCR)  in gdsc_check_status()
58 		reg = sc->gdscr + CFG_GDSCR_OFFSET;  in gdsc_check_status()
59 	else if (sc->gds_hw_ctrl)  in gdsc_check_status()
60 		reg = sc->gds_hw_ctrl;  in gdsc_check_status()
62 		reg = sc->gdscr;  in gdsc_check_status()
64 	ret = regmap_read(sc->regmap, reg, &val);  in gdsc_check_status()
68 	if (sc->flags & POLL_CFG_GDSCR) {  in gdsc_check_status()
87 static int gdsc_hwctrl(struct gdsc *sc, bool en)  in gdsc_hwctrl()  argument
91 	return regmap_update_bits(sc->regmap, sc->gdscr, HW_CONTROL_MASK, val);  in gdsc_hwctrl()
94 static int gdsc_poll_status(struct gdsc *sc, enum gdsc_status status)  in gdsc_poll_status()  argument
100 		if (gdsc_check_status(sc, status))  in gdsc_poll_status()
104 	if (gdsc_check_status(sc, status))  in gdsc_poll_status()
110 static int gdsc_toggle_logic(struct gdsc *sc, enum gdsc_status status)  in gdsc_toggle_logic()  argument
115 	ret = regmap_update_bits(sc->regmap, sc->gdscr, SW_COLLAPSE_MASK, val);  in gdsc_toggle_logic()
120 	if ((sc->flags & VOTABLE) && status == GDSC_OFF) {  in gdsc_toggle_logic()
130 	if (sc->gds_hw_ctrl) {  in gdsc_toggle_logic()
144 	ret = gdsc_poll_status(sc, status);  in gdsc_toggle_logic()
145 	WARN(ret, "%s status stuck at 'o%s'", sc->pd.name, status ? "ff" : "n");  in gdsc_toggle_logic()
149 static inline int gdsc_deassert_reset(struct gdsc *sc)  in gdsc_deassert_reset()  argument
153 	for (i = 0; i < sc->reset_count; i++)  in gdsc_deassert_reset()
154 		sc->rcdev->ops->deassert(sc->rcdev, sc->resets[i]);  in gdsc_deassert_reset()
158 static inline int gdsc_assert_reset(struct gdsc *sc)  in gdsc_assert_reset()  argument
162 	for (i = 0; i < sc->reset_count; i++)  in gdsc_assert_reset()
163 		sc->rcdev->ops->assert(sc->rcdev, sc->resets[i]);  in gdsc_assert_reset()
167 static inline void gdsc_force_mem_on(struct gdsc *sc)  in gdsc_force_mem_on()  argument
172 	for (i = 0; i < sc->cxc_count; i++)  in gdsc_force_mem_on()
173 		regmap_update_bits(sc->regmap, sc->cxcs[i], mask, mask);  in gdsc_force_mem_on()
176 static inline void gdsc_clear_mem_on(struct gdsc *sc)  in gdsc_clear_mem_on()  argument
181 	for (i = 0; i < sc->cxc_count; i++)  in gdsc_clear_mem_on()
182 		regmap_update_bits(sc->regmap, sc->cxcs[i], mask, 0);  in gdsc_clear_mem_on()
185 static inline void gdsc_deassert_clamp_io(struct gdsc *sc)  in gdsc_deassert_clamp_io()  argument
187 	regmap_update_bits(sc->regmap, sc->clamp_io_ctrl,  in gdsc_deassert_clamp_io()
191 static inline void gdsc_assert_clamp_io(struct gdsc *sc)  in gdsc_assert_clamp_io()  argument
193 	regmap_update_bits(sc->regmap, sc->clamp_io_ctrl,  in gdsc_assert_clamp_io()
197 static inline void gdsc_assert_reset_aon(struct gdsc *sc)  in gdsc_assert_reset_aon()  argument
199 	regmap_update_bits(sc->regmap, sc->clamp_io_ctrl,  in gdsc_assert_reset_aon()
202 	regmap_update_bits(sc->regmap, sc->clamp_io_ctrl,  in gdsc_assert_reset_aon()
207 	struct gdsc *sc = domain_to_gdsc(domain);  in gdsc_enable()  local
210 	if (sc->pwrsts == PWRSTS_ON)  in gdsc_enable()
211 		return gdsc_deassert_reset(sc);  in gdsc_enable()
213 	if (sc->flags & SW_RESET) {  in gdsc_enable()
214 		gdsc_assert_reset(sc);  in gdsc_enable()
216 		gdsc_deassert_reset(sc);  in gdsc_enable()
219 	if (sc->flags & CLAMP_IO) {  in gdsc_enable()
220 		if (sc->flags & AON_RESET)  in gdsc_enable()
221 			gdsc_assert_reset_aon(sc);  in gdsc_enable()
222 		gdsc_deassert_clamp_io(sc);  in gdsc_enable()
225 	ret = gdsc_toggle_logic(sc, GDSC_ON);  in gdsc_enable()
229 	if (sc->pwrsts & PWRSTS_OFF)  in gdsc_enable()
230 		gdsc_force_mem_on(sc);  in gdsc_enable()
242 	if (sc->flags & HW_CTRL) {  in gdsc_enable()
243 		ret = gdsc_hwctrl(sc, true);  in gdsc_enable()
262 	struct gdsc *sc = domain_to_gdsc(domain);  in gdsc_disable()  local
265 	if (sc->pwrsts == PWRSTS_ON)  in gdsc_disable()
266 		return gdsc_assert_reset(sc);  in gdsc_disable()
269 	if (sc->flags & HW_CTRL) {  in gdsc_disable()
270 		ret = gdsc_hwctrl(sc, false);  in gdsc_disable()
281 		ret = gdsc_poll_status(sc, GDSC_ON);  in gdsc_disable()
286 	if (sc->pwrsts & PWRSTS_OFF)  in gdsc_disable()
287 		gdsc_clear_mem_on(sc);  in gdsc_disable()
289 	ret = gdsc_toggle_logic(sc, GDSC_OFF);  in gdsc_disable()
293 	if (sc->flags & CLAMP_IO)  in gdsc_disable()
294 		gdsc_assert_clamp_io(sc);  in gdsc_disable()
299 static int gdsc_init(struct gdsc *sc)  in gdsc_init()  argument
312 	ret = regmap_update_bits(sc->regmap, sc->gdscr, mask, val);  in gdsc_init()
317 	if (sc->pwrsts == PWRSTS_ON) {  in gdsc_init()
318 		ret = gdsc_toggle_logic(sc, GDSC_ON);  in gdsc_init()
323 	on = gdsc_check_status(sc, GDSC_ON);  in gdsc_init()
331 	if ((sc->flags & VOTABLE) && on)  in gdsc_init()
332 		gdsc_enable(&sc->pd);  in gdsc_init()
335 	if (sc->flags & ALWAYS_ON) {  in gdsc_init()
337 			gdsc_enable(&sc->pd);  in gdsc_init()
339 		sc->pd.flags |= GENPD_FLAG_ALWAYS_ON;  in gdsc_init()
342 	if (on || (sc->pwrsts & PWRSTS_RET))  in gdsc_init()
343 		gdsc_force_mem_on(sc);  in gdsc_init()
345 		gdsc_clear_mem_on(sc);  in gdsc_init()
347 	if (!sc->pd.power_off)  in gdsc_init()
348 		sc->pd.power_off = gdsc_disable;  in gdsc_init()
349 	if (!sc->pd.power_on)  in gdsc_init()
350 		sc->pd.power_on = gdsc_enable;  in gdsc_init()
351 	pm_genpd_init(&sc->pd, NULL, !on);  in gdsc_init()