Lines Matching refs:vctrl
48 static int vctrl_calc_ctrl_voltage(struct vctrl_data *vctrl, int out_uV) in vctrl_calc_ctrl_voltage() argument
50 struct vctrl_voltage_range *ctrl = &vctrl->vrange.ctrl; in vctrl_calc_ctrl_voltage()
51 struct vctrl_voltage_range *out = &vctrl->vrange.out; in vctrl_calc_ctrl_voltage()
59 static int vctrl_calc_output_voltage(struct vctrl_data *vctrl, int ctrl_uV) in vctrl_calc_output_voltage() argument
61 struct vctrl_voltage_range *ctrl = &vctrl->vrange.ctrl; in vctrl_calc_output_voltage()
62 struct vctrl_voltage_range *out = &vctrl->vrange.out; in vctrl_calc_output_voltage()
83 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_get_voltage() local
91 return vctrl_calc_output_voltage(vctrl, ctrl_uV); in vctrl_get_voltage()
98 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_set_voltage() local
107 uV = vctrl_calc_output_voltage(vctrl, orig_ctrl_uV); in vctrl_set_voltage()
109 if (req_min_uV >= uV || !vctrl->ovp_threshold) in vctrl_set_voltage()
112 vctrl_calc_ctrl_voltage(vctrl, req_min_uV), in vctrl_set_voltage()
113 vctrl_calc_ctrl_voltage(vctrl, req_max_uV), in vctrl_set_voltage()
117 int max_drop_uV = (uV * vctrl->ovp_threshold) / 100; in vctrl_set_voltage()
127 next_ctrl_uV = vctrl_calc_ctrl_voltage(vctrl, next_uV); in vctrl_set_voltage()
136 delay = DIV_ROUND_UP(uV - next_uV, vctrl->min_slew_down_rate); in vctrl_set_voltage()
154 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_get_voltage_sel() local
156 return vctrl->sel; in vctrl_get_voltage_sel()
162 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_set_voltage_sel() local
163 unsigned int orig_sel = vctrl->sel; in vctrl_set_voltage_sel()
172 if (selector >= vctrl->sel || !vctrl->ovp_threshold) { in vctrl_set_voltage_sel()
175 vctrl->vtable[selector].ctrl, in vctrl_set_voltage_sel()
176 vctrl->vtable[selector].ctrl, in vctrl_set_voltage_sel()
179 vctrl->sel = selector; in vctrl_set_voltage_sel()
184 while (vctrl->sel != selector) { in vctrl_set_voltage_sel()
188 next_sel = max_t(unsigned int, selector, vctrl->vtable[vctrl->sel].ovp_min_sel); in vctrl_set_voltage_sel()
191 vctrl->vtable[next_sel].ctrl, in vctrl_set_voltage_sel()
192 vctrl->vtable[next_sel].ctrl, in vctrl_set_voltage_sel()
197 vctrl->vtable[next_sel].ctrl); in vctrl_set_voltage_sel()
200 vctrl->sel = next_sel; in vctrl_set_voltage_sel()
202 delay = DIV_ROUND_UP(vctrl->vtable[vctrl->sel].out - in vctrl_set_voltage_sel()
203 vctrl->vtable[next_sel].out, in vctrl_set_voltage_sel()
204 vctrl->min_slew_down_rate); in vctrl_set_voltage_sel()
211 if (vctrl->sel != orig_sel) { in vctrl_set_voltage_sel()
214 vctrl->vtable[orig_sel].ctrl, in vctrl_set_voltage_sel()
215 vctrl->vtable[orig_sel].ctrl, in vctrl_set_voltage_sel()
217 vctrl->sel = orig_sel; in vctrl_set_voltage_sel()
229 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_list_voltage() local
234 return vctrl->vtable[selector].out; in vctrl_list_voltage()
238 struct vctrl_data *vctrl) in vctrl_parse_dt() argument
247 vctrl->ovp_threshold = pval; in vctrl_parse_dt()
248 if (vctrl->ovp_threshold > 100) { in vctrl_parse_dt()
251 vctrl->ovp_threshold); in vctrl_parse_dt()
258 vctrl->min_slew_down_rate = pval; in vctrl_parse_dt()
261 if (vctrl->min_slew_down_rate == 0) { in vctrl_parse_dt()
265 } else if (vctrl->min_slew_down_rate > INT_MAX) { in vctrl_parse_dt()
267 vctrl->min_slew_down_rate); in vctrl_parse_dt()
272 if (vctrl->ovp_threshold && !vctrl->min_slew_down_rate) { in vctrl_parse_dt()
284 vctrl->vrange.out.min_uV = pval; in vctrl_parse_dt()
292 vctrl->vrange.out.max_uV = pval; in vctrl_parse_dt()
308 vctrl->vrange.ctrl.min_uV = vrange_ctrl[0]; in vctrl_parse_dt()
309 vctrl->vrange.ctrl.max_uV = vrange_ctrl[1]; in vctrl_parse_dt()
325 struct vctrl_data *vctrl = platform_get_drvdata(pdev); in vctrl_init_vtable() local
326 struct regulator_desc *rdesc = &vctrl->desc; in vctrl_init_vtable()
327 struct vctrl_voltage_range *vrange_ctrl = &vctrl->vrange.ctrl; in vctrl_init_vtable()
350 vctrl->vtable = devm_kcalloc(&pdev->dev, rdesc->n_voltages, in vctrl_init_vtable()
353 if (!vctrl->vtable) in vctrl_init_vtable()
364 vctrl->vtable[idx_vt].ctrl = ctrl_uV; in vctrl_init_vtable()
365 vctrl->vtable[idx_vt].out = in vctrl_init_vtable()
366 vctrl_calc_output_voltage(vctrl, ctrl_uV); in vctrl_init_vtable()
371 sort(vctrl->vtable, rdesc->n_voltages, in vctrl_init_vtable()
378 int ovp_min_uV = (vctrl->vtable[i].out * in vctrl_init_vtable()
379 (100 - vctrl->ovp_threshold)) / 100; in vctrl_init_vtable()
382 if (vctrl->vtable[j].out >= ovp_min_uV) { in vctrl_init_vtable()
383 vctrl->vtable[i].ovp_min_sel = j; in vctrl_init_vtable()
390 vctrl->vtable[i].out); in vctrl_init_vtable()
392 vctrl->vtable[i].ovp_min_sel = i - 1; in vctrl_init_vtable()
401 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_enable() local
403 vctrl->enabled = true; in vctrl_enable()
410 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_disable() local
412 vctrl->enabled = false; in vctrl_disable()
419 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_is_enabled() local
421 return vctrl->enabled; in vctrl_is_enabled()
445 struct vctrl_data *vctrl; in vctrl_probe() local
454 vctrl = devm_kzalloc(&pdev->dev, sizeof(struct vctrl_data), in vctrl_probe()
456 if (!vctrl) in vctrl_probe()
459 platform_set_drvdata(pdev, vctrl); in vctrl_probe()
461 ret = vctrl_parse_dt(pdev, vctrl); in vctrl_probe()
469 vrange_ctrl = &vctrl->vrange.ctrl; in vctrl_probe()
471 rdesc = &vctrl->desc; in vctrl_probe()
491 cfg.driver_data = vctrl; in vctrl_probe()
508 vctrl->sel = 0; in vctrl_probe()
510 vctrl->sel = rdesc->n_voltages - 1; in vctrl_probe()
515 if (ctrl_uV == vctrl->vtable[i].ctrl) { in vctrl_probe()
516 vctrl->sel = i; in vctrl_probe()
526 vctrl->rdev = devm_regulator_register(&pdev->dev, rdesc, &cfg); in vctrl_probe()
527 if (IS_ERR(vctrl->rdev)) { in vctrl_probe()
528 ret = PTR_ERR(vctrl->rdev); in vctrl_probe()