Lines Matching refs:vctrl
46 static int vctrl_calc_ctrl_voltage(struct vctrl_data *vctrl, int out_uV) in vctrl_calc_ctrl_voltage() argument
48 struct vctrl_voltage_range *ctrl = &vctrl->vrange.ctrl; in vctrl_calc_ctrl_voltage()
49 struct vctrl_voltage_range *out = &vctrl->vrange.out; in vctrl_calc_ctrl_voltage()
57 static int vctrl_calc_output_voltage(struct vctrl_data *vctrl, int ctrl_uV) in vctrl_calc_output_voltage() argument
59 struct vctrl_voltage_range *ctrl = &vctrl->vrange.ctrl; in vctrl_calc_output_voltage()
60 struct vctrl_voltage_range *out = &vctrl->vrange.out; in vctrl_calc_output_voltage()
81 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_get_voltage() local
82 int ctrl_uV = regulator_get_voltage(vctrl->ctrl_reg); in vctrl_get_voltage()
84 return vctrl_calc_output_voltage(vctrl, ctrl_uV); in vctrl_get_voltage()
91 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_set_voltage() local
92 struct regulator *ctrl_reg = vctrl->ctrl_reg; in vctrl_set_voltage()
94 int uV = vctrl_calc_output_voltage(vctrl, orig_ctrl_uV); in vctrl_set_voltage()
97 if (req_min_uV >= uV || !vctrl->ovp_threshold) in vctrl_set_voltage()
101 vctrl_calc_ctrl_voltage(vctrl, req_min_uV), in vctrl_set_voltage()
102 vctrl_calc_ctrl_voltage(vctrl, req_max_uV)); in vctrl_set_voltage()
105 int max_drop_uV = (uV * vctrl->ovp_threshold) / 100; in vctrl_set_voltage()
115 next_ctrl_uV = vctrl_calc_ctrl_voltage(vctrl, next_uV); in vctrl_set_voltage()
123 delay = DIV_ROUND_UP(uV - next_uV, vctrl->min_slew_down_rate); in vctrl_set_voltage()
140 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_get_voltage_sel() local
142 return vctrl->sel; in vctrl_get_voltage_sel()
148 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_set_voltage_sel() local
149 struct regulator *ctrl_reg = vctrl->ctrl_reg; in vctrl_set_voltage_sel()
150 unsigned int orig_sel = vctrl->sel; in vctrl_set_voltage_sel()
156 if (selector >= vctrl->sel || !vctrl->ovp_threshold) { in vctrl_set_voltage_sel()
159 vctrl->vtable[selector].ctrl, in vctrl_set_voltage_sel()
160 vctrl->vtable[selector].ctrl); in vctrl_set_voltage_sel()
162 vctrl->sel = selector; in vctrl_set_voltage_sel()
167 while (vctrl->sel != selector) { in vctrl_set_voltage_sel()
171 if (selector >= vctrl->vtable[vctrl->sel].ovp_min_sel) in vctrl_set_voltage_sel()
174 next_sel = vctrl->vtable[vctrl->sel].ovp_min_sel; in vctrl_set_voltage_sel()
177 vctrl->vtable[next_sel].ctrl, in vctrl_set_voltage_sel()
178 vctrl->vtable[next_sel].ctrl); in vctrl_set_voltage_sel()
182 vctrl->vtable[next_sel].ctrl); in vctrl_set_voltage_sel()
185 vctrl->sel = next_sel; in vctrl_set_voltage_sel()
187 delay = DIV_ROUND_UP(vctrl->vtable[vctrl->sel].out - in vctrl_set_voltage_sel()
188 vctrl->vtable[next_sel].out, in vctrl_set_voltage_sel()
189 vctrl->min_slew_down_rate); in vctrl_set_voltage_sel()
196 if (vctrl->sel != orig_sel) { in vctrl_set_voltage_sel()
199 vctrl->vtable[orig_sel].ctrl, in vctrl_set_voltage_sel()
200 vctrl->vtable[orig_sel].ctrl)) in vctrl_set_voltage_sel()
201 vctrl->sel = orig_sel; in vctrl_set_voltage_sel()
213 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_list_voltage() local
218 return vctrl->vtable[selector].out; in vctrl_list_voltage()
222 struct vctrl_data *vctrl) in vctrl_parse_dt() argument
229 vctrl->ctrl_reg = devm_regulator_get(&pdev->dev, "ctrl"); in vctrl_parse_dt()
230 if (IS_ERR(vctrl->ctrl_reg)) in vctrl_parse_dt()
231 return PTR_ERR(vctrl->ctrl_reg); in vctrl_parse_dt()
235 vctrl->ovp_threshold = pval; in vctrl_parse_dt()
236 if (vctrl->ovp_threshold > 100) { in vctrl_parse_dt()
239 vctrl->ovp_threshold); in vctrl_parse_dt()
246 vctrl->min_slew_down_rate = pval; in vctrl_parse_dt()
249 if (vctrl->min_slew_down_rate == 0) { in vctrl_parse_dt()
253 } else if (vctrl->min_slew_down_rate > INT_MAX) { in vctrl_parse_dt()
255 vctrl->min_slew_down_rate); in vctrl_parse_dt()
260 if (vctrl->ovp_threshold && !vctrl->min_slew_down_rate) { in vctrl_parse_dt()
272 vctrl->vrange.out.min_uV = pval; in vctrl_parse_dt()
280 vctrl->vrange.out.max_uV = pval; in vctrl_parse_dt()
296 vctrl->vrange.ctrl.min_uV = vrange_ctrl[0]; in vctrl_parse_dt()
297 vctrl->vrange.ctrl.max_uV = vrange_ctrl[1]; in vctrl_parse_dt()
312 struct vctrl_data *vctrl = platform_get_drvdata(pdev); in vctrl_init_vtable() local
313 struct regulator_desc *rdesc = &vctrl->desc; in vctrl_init_vtable()
314 struct regulator *ctrl_reg = vctrl->ctrl_reg; in vctrl_init_vtable()
315 struct vctrl_voltage_range *vrange_ctrl = &vctrl->vrange.ctrl; in vctrl_init_vtable()
338 vctrl->vtable = devm_kcalloc(&pdev->dev, rdesc->n_voltages, in vctrl_init_vtable()
341 if (!vctrl->vtable) in vctrl_init_vtable()
352 vctrl->vtable[idx_vt].ctrl = ctrl_uV; in vctrl_init_vtable()
353 vctrl->vtable[idx_vt].out = in vctrl_init_vtable()
354 vctrl_calc_output_voltage(vctrl, ctrl_uV); in vctrl_init_vtable()
359 sort(vctrl->vtable, rdesc->n_voltages, in vctrl_init_vtable()
366 int ovp_min_uV = (vctrl->vtable[i].out * in vctrl_init_vtable()
367 (100 - vctrl->ovp_threshold)) / 100; in vctrl_init_vtable()
370 if (vctrl->vtable[j].out >= ovp_min_uV) { in vctrl_init_vtable()
371 vctrl->vtable[i].ovp_min_sel = j; in vctrl_init_vtable()
378 vctrl->vtable[i].out); in vctrl_init_vtable()
380 vctrl->vtable[i].ovp_min_sel = i - 1; in vctrl_init_vtable()
389 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_enable() local
390 int ret = regulator_enable(vctrl->ctrl_reg); in vctrl_enable()
393 vctrl->enabled = true; in vctrl_enable()
400 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_disable() local
401 int ret = regulator_disable(vctrl->ctrl_reg); in vctrl_disable()
404 vctrl->enabled = false; in vctrl_disable()
411 struct vctrl_data *vctrl = rdev_get_drvdata(rdev); in vctrl_is_enabled() local
413 return vctrl->enabled; in vctrl_is_enabled()
437 struct vctrl_data *vctrl; in vctrl_probe() local
445 vctrl = devm_kzalloc(&pdev->dev, sizeof(struct vctrl_data), in vctrl_probe()
447 if (!vctrl) in vctrl_probe()
450 platform_set_drvdata(pdev, vctrl); in vctrl_probe()
452 ret = vctrl_parse_dt(pdev, vctrl); in vctrl_probe()
456 vrange_ctrl = &vctrl->vrange.ctrl; in vctrl_probe()
458 rdesc = &vctrl->desc; in vctrl_probe()
463 if ((regulator_get_linear_step(vctrl->ctrl_reg) == 1) || in vctrl_probe()
464 (regulator_count_voltages(vctrl->ctrl_reg) == -EINVAL)) { in vctrl_probe()
477 cfg.driver_data = vctrl; in vctrl_probe()
485 ctrl_uV = regulator_get_voltage(vctrl->ctrl_reg); in vctrl_probe()
493 vctrl->sel = 0; in vctrl_probe()
495 vctrl->sel = rdesc->n_voltages - 1; in vctrl_probe()
500 if (ctrl_uV == vctrl->vtable[i].ctrl) { in vctrl_probe()
501 vctrl->sel = i; in vctrl_probe()
508 vctrl->rdev = devm_regulator_register(&pdev->dev, rdesc, &cfg); in vctrl_probe()
509 if (IS_ERR(vctrl->rdev)) { in vctrl_probe()
510 ret = PTR_ERR(vctrl->rdev); in vctrl_probe()