Lines Matching full:pc
194 static void configure_polarity(struct ehrpwm_pwm_chip *pc, int chan) in configure_polarity() argument
209 if (pc->polarity[chan] == PWM_POLARITY_INVERSED) in configure_polarity()
217 if (pc->polarity[chan] == PWM_POLARITY_INVERSED) in configure_polarity()
224 ehrpwm_modify(pc->mmio_base, aqctl_reg, aqctl_mask, aqctl_val); in configure_polarity()
234 struct ehrpwm_pwm_chip *pc = to_ehrpwm_pwm_chip(chip); in ehrpwm_pwm_config() local
243 c = pc->clk_rate; in ehrpwm_pwm_config()
252 c = pc->clk_rate; in ehrpwm_pwm_config()
263 if (pc->period_cycles[i] && in ehrpwm_pwm_config()
264 (pc->period_cycles[i] != period_cycles)) { in ehrpwm_pwm_config()
279 pc->period_cycles[pwm->hwpwm] = period_cycles; in ehrpwm_pwm_config()
291 ehrpwm_modify(pc->mmio_base, TBCTL, TBCTL_CLKDIV_MASK, tb_divval); in ehrpwm_pwm_config()
298 ehrpwm_modify(pc->mmio_base, TBCTL, TBCTL_PRDLD_MASK, TBCTL_PRDLD_SHDW); in ehrpwm_pwm_config()
300 ehrpwm_write(pc->mmio_base, TBPRD, period_cycles); in ehrpwm_pwm_config()
303 ehrpwm_modify(pc->mmio_base, TBCTL, TBCTL_CTRMODE_MASK, in ehrpwm_pwm_config()
313 ehrpwm_write(pc->mmio_base, cmp_reg, duty_cycles); in ehrpwm_pwm_config()
324 struct ehrpwm_pwm_chip *pc = to_ehrpwm_pwm_chip(chip); in ehrpwm_pwm_set_polarity() local
327 pc->polarity[pwm->hwpwm] = polarity; in ehrpwm_pwm_set_polarity()
334 struct ehrpwm_pwm_chip *pc = to_ehrpwm_pwm_chip(chip); in ehrpwm_pwm_enable() local
351 ehrpwm_modify(pc->mmio_base, AQSFRC, AQSFRC_RLDCSF_MASK, in ehrpwm_pwm_enable()
354 ehrpwm_modify(pc->mmio_base, AQCSFRC, aqcsfrc_mask, aqcsfrc_val); in ehrpwm_pwm_enable()
357 configure_polarity(pc, pwm->hwpwm); in ehrpwm_pwm_enable()
360 ret = clk_enable(pc->tbclk); in ehrpwm_pwm_enable()
363 dev_name(pc->chip.dev), ret); in ehrpwm_pwm_enable()
372 struct ehrpwm_pwm_chip *pc = to_ehrpwm_pwm_chip(chip); in ehrpwm_pwm_disable() local
385 ehrpwm_modify(pc->mmio_base, AQSFRC, AQSFRC_RLDCSF_MASK, in ehrpwm_pwm_disable()
387 ehrpwm_modify(pc->mmio_base, AQCSFRC, aqcsfrc_mask, aqcsfrc_val); in ehrpwm_pwm_disable()
392 ehrpwm_modify(pc->mmio_base, AQSFRC, AQSFRC_RLDCSF_MASK, in ehrpwm_pwm_disable()
395 ehrpwm_modify(pc->mmio_base, AQCSFRC, aqcsfrc_mask, aqcsfrc_val); in ehrpwm_pwm_disable()
398 clk_disable(pc->tbclk); in ehrpwm_pwm_disable()
406 struct ehrpwm_pwm_chip *pc = to_ehrpwm_pwm_chip(chip); in ehrpwm_pwm_free() local
414 pc->period_cycles[pwm->hwpwm] = 0; in ehrpwm_pwm_free()
436 struct ehrpwm_pwm_chip *pc; in ehrpwm_pwm_probe() local
441 pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); in ehrpwm_pwm_probe()
442 if (!pc) in ehrpwm_pwm_probe()
458 pc->clk_rate = clk_get_rate(clk); in ehrpwm_pwm_probe()
459 if (!pc->clk_rate) { in ehrpwm_pwm_probe()
464 pc->chip.dev = &pdev->dev; in ehrpwm_pwm_probe()
465 pc->chip.ops = &ehrpwm_pwm_ops; in ehrpwm_pwm_probe()
466 pc->chip.of_xlate = of_pwm_xlate_with_flags; in ehrpwm_pwm_probe()
467 pc->chip.of_pwm_n_cells = 3; in ehrpwm_pwm_probe()
468 pc->chip.base = -1; in ehrpwm_pwm_probe()
469 pc->chip.npwm = NUM_PWM_CHANNEL; in ehrpwm_pwm_probe()
472 pc->mmio_base = devm_ioremap_resource(&pdev->dev, r); in ehrpwm_pwm_probe()
473 if (IS_ERR(pc->mmio_base)) in ehrpwm_pwm_probe()
474 return PTR_ERR(pc->mmio_base); in ehrpwm_pwm_probe()
477 pc->tbclk = devm_clk_get(&pdev->dev, "tbclk"); in ehrpwm_pwm_probe()
478 if (IS_ERR(pc->tbclk)) { in ehrpwm_pwm_probe()
480 return PTR_ERR(pc->tbclk); in ehrpwm_pwm_probe()
483 ret = clk_prepare(pc->tbclk); in ehrpwm_pwm_probe()
489 ret = pwmchip_add(&pc->chip); in ehrpwm_pwm_probe()
495 platform_set_drvdata(pdev, pc); in ehrpwm_pwm_probe()
501 clk_unprepare(pc->tbclk); in ehrpwm_pwm_probe()
508 struct ehrpwm_pwm_chip *pc = platform_get_drvdata(pdev); in ehrpwm_pwm_remove() local
510 clk_unprepare(pc->tbclk); in ehrpwm_pwm_remove()
514 return pwmchip_remove(&pc->chip); in ehrpwm_pwm_remove()
518 static void ehrpwm_pwm_save_context(struct ehrpwm_pwm_chip *pc) in ehrpwm_pwm_save_context() argument
520 pm_runtime_get_sync(pc->chip.dev); in ehrpwm_pwm_save_context()
522 pc->ctx.tbctl = ehrpwm_read(pc->mmio_base, TBCTL); in ehrpwm_pwm_save_context()
523 pc->ctx.tbprd = ehrpwm_read(pc->mmio_base, TBPRD); in ehrpwm_pwm_save_context()
524 pc->ctx.cmpa = ehrpwm_read(pc->mmio_base, CMPA); in ehrpwm_pwm_save_context()
525 pc->ctx.cmpb = ehrpwm_read(pc->mmio_base, CMPB); in ehrpwm_pwm_save_context()
526 pc->ctx.aqctla = ehrpwm_read(pc->mmio_base, AQCTLA); in ehrpwm_pwm_save_context()
527 pc->ctx.aqctlb = ehrpwm_read(pc->mmio_base, AQCTLB); in ehrpwm_pwm_save_context()
528 pc->ctx.aqsfrc = ehrpwm_read(pc->mmio_base, AQSFRC); in ehrpwm_pwm_save_context()
529 pc->ctx.aqcsfrc = ehrpwm_read(pc->mmio_base, AQCSFRC); in ehrpwm_pwm_save_context()
531 pm_runtime_put_sync(pc->chip.dev); in ehrpwm_pwm_save_context()
534 static void ehrpwm_pwm_restore_context(struct ehrpwm_pwm_chip *pc) in ehrpwm_pwm_restore_context() argument
536 ehrpwm_write(pc->mmio_base, TBPRD, pc->ctx.tbprd); in ehrpwm_pwm_restore_context()
537 ehrpwm_write(pc->mmio_base, CMPA, pc->ctx.cmpa); in ehrpwm_pwm_restore_context()
538 ehrpwm_write(pc->mmio_base, CMPB, pc->ctx.cmpb); in ehrpwm_pwm_restore_context()
539 ehrpwm_write(pc->mmio_base, AQCTLA, pc->ctx.aqctla); in ehrpwm_pwm_restore_context()
540 ehrpwm_write(pc->mmio_base, AQCTLB, pc->ctx.aqctlb); in ehrpwm_pwm_restore_context()
541 ehrpwm_write(pc->mmio_base, AQSFRC, pc->ctx.aqsfrc); in ehrpwm_pwm_restore_context()
542 ehrpwm_write(pc->mmio_base, AQCSFRC, pc->ctx.aqcsfrc); in ehrpwm_pwm_restore_context()
543 ehrpwm_write(pc->mmio_base, TBCTL, pc->ctx.tbctl); in ehrpwm_pwm_restore_context()
548 struct ehrpwm_pwm_chip *pc = dev_get_drvdata(dev); in ehrpwm_pwm_suspend() local
551 ehrpwm_pwm_save_context(pc); in ehrpwm_pwm_suspend()
553 for (i = 0; i < pc->chip.npwm; i++) { in ehrpwm_pwm_suspend()
554 struct pwm_device *pwm = &pc->chip.pwms[i]; in ehrpwm_pwm_suspend()
568 struct ehrpwm_pwm_chip *pc = dev_get_drvdata(dev); in ehrpwm_pwm_resume() local
571 for (i = 0; i < pc->chip.npwm; i++) { in ehrpwm_pwm_resume()
572 struct pwm_device *pwm = &pc->chip.pwms[i]; in ehrpwm_pwm_resume()
581 ehrpwm_pwm_restore_context(pc); in ehrpwm_pwm_resume()