Lines Matching defs:twl6040
27 #include <linux/mfd/twl6040.h>
99 int twl6040_reg_read(struct twl6040 *twl6040, unsigned int reg)
104 ret = regmap_read(twl6040->regmap, reg, &val);
112 int twl6040_reg_write(struct twl6040 *twl6040, unsigned int reg, u8 val)
116 ret = regmap_write(twl6040->regmap, reg, val);
122 int twl6040_set_bits(struct twl6040 *twl6040, unsigned int reg, u8 mask)
124 return regmap_update_bits(twl6040->regmap, reg, mask, mask);
128 int twl6040_clear_bits(struct twl6040 *twl6040, unsigned int reg, u8 mask)
130 return regmap_update_bits(twl6040->regmap, reg, mask, 0);
134 /* twl6040 codec manual power-up sequence */
135 static int twl6040_power_up_manual(struct twl6040 *twl6040)
142 ret = twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
149 ret = twl6040_reg_write(twl6040, TWL6040_REG_NCPCTL, ncpctl);
156 ret = twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
163 ret = twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl);
170 ret = twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
178 twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl);
181 twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
184 twl6040_reg_write(twl6040, TWL6040_REG_NCPCTL, ncpctl);
187 twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
189 dev_err(twl6040->dev, "manual power-up failed\n");
193 /* twl6040 manual power-down sequence */
194 static void twl6040_power_down_manual(struct twl6040 *twl6040)
198 ncpctl = twl6040_reg_read(twl6040, TWL6040_REG_NCPCTL);
199 ldoctl = twl6040_reg_read(twl6040, TWL6040_REG_LDOCTL);
200 lppllctl = twl6040_reg_read(twl6040, TWL6040_REG_LPPLLCTL);
204 twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
209 twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl);
213 twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
217 twl6040_reg_write(twl6040, TWL6040_REG_NCPCTL, ncpctl);
221 twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
226 struct twl6040 *twl6040 = data;
228 complete(&twl6040->ready);
235 struct twl6040 *twl6040 = data;
238 status = twl6040_reg_read(twl6040, TWL6040_REG_STATUS);
240 dev_warn(twl6040->dev, "Thermal shutdown, powering-off");
241 twl6040_power(twl6040, 0);
243 dev_warn(twl6040->dev, "Leaving thermal shutdown, powering-on");
244 twl6040_power(twl6040, 1);
250 static int twl6040_power_up_automatic(struct twl6040 *twl6040)
254 gpio_set_value(twl6040->audpwron, 1);
256 time_left = wait_for_completion_timeout(&twl6040->ready,
261 dev_warn(twl6040->dev, "timeout waiting for READYINT\n");
262 intid = twl6040_reg_read(twl6040, TWL6040_REG_INTID);
264 dev_err(twl6040->dev, "automatic power-up failed\n");
265 gpio_set_value(twl6040->audpwron, 0);
273 int twl6040_power(struct twl6040 *twl6040, int on)
277 mutex_lock(&twl6040->mutex);
281 if (twl6040->power_count++)
284 ret = clk_prepare_enable(twl6040->clk32k);
286 twl6040->power_count = 0;
291 regcache_cache_only(twl6040->regmap, false);
293 if (gpio_is_valid(twl6040->audpwron)) {
295 ret = twl6040_power_up_automatic(twl6040);
297 clk_disable_unprepare(twl6040->clk32k);
298 twl6040->power_count = 0;
303 ret = twl6040_power_up_manual(twl6040);
305 clk_disable_unprepare(twl6040->clk32k);
306 twl6040->power_count = 0;
318 ret = regcache_sync(twl6040->regmap);
320 dev_err(twl6040->dev, "Failed to sync with the HW: %i\n",
326 twl6040->pll = TWL6040_SYSCLK_SEL_LPPLL;
327 twl6040->sysclk_rate = 19200000;
330 if (!twl6040->power_count) {
331 dev_err(twl6040->dev,
337 if (--twl6040->power_count)
340 if (gpio_is_valid(twl6040->audpwron)) {
342 gpio_set_value(twl6040->audpwron, 0);
348 twl6040_power_down_manual(twl6040);
352 regcache_cache_only(twl6040->regmap, true);
353 regcache_mark_dirty(twl6040->regmap);
355 twl6040->sysclk_rate = 0;
357 if (twl6040->pll == TWL6040_SYSCLK_SEL_HPPLL) {
358 clk_disable_unprepare(twl6040->mclk);
359 twl6040->mclk_rate = 0;
362 clk_disable_unprepare(twl6040->clk32k);
366 mutex_unlock(&twl6040->mutex);
371 int twl6040_set_pll(struct twl6040 *twl6040, int pll_id,
377 mutex_lock(&twl6040->mutex);
379 hppllctl = twl6040_reg_read(twl6040, TWL6040_REG_HPPLLCTL);
380 lppllctl = twl6040_reg_read(twl6040, TWL6040_REG_LPPLLCTL);
383 if (pll_id != twl6040->pll) {
384 twl6040->sysclk_rate = 0;
385 twl6040->mclk_rate = 0;
392 if (twl6040->sysclk_rate != freq_out) {
401 dev_err(twl6040->dev,
407 twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL,
412 if (twl6040->pll == pll_id)
418 twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL,
422 twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL,
425 twl6040_reg_write(twl6040, TWL6040_REG_HPPLLCTL,
429 dev_err(twl6040->dev,
435 clk_disable_unprepare(twl6040->mclk);
440 dev_err(twl6040->dev,
446 if (twl6040->mclk_rate != freq_in) {
471 dev_err(twl6040->dev,
478 if (pll_id != twl6040->pll)
479 clk_prepare_enable(twl6040->mclk);
486 twl6040_reg_write(twl6040, TWL6040_REG_HPPLLCTL,
490 twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL,
493 twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL,
496 twl6040->mclk_rate = freq_in;
500 dev_err(twl6040->dev, "unknown pll id %d\n", pll_id);
505 twl6040->sysclk_rate = freq_out;
506 twl6040->pll = pll_id;
509 mutex_unlock(&twl6040->mutex);
514 int twl6040_get_pll(struct twl6040 *twl6040)
516 if (twl6040->power_count)
517 return twl6040->pll;
523 unsigned int twl6040_get_sysclk(struct twl6040 *twl6040)
525 return twl6040->sysclk_rate;
530 int twl6040_get_vibralr_status(struct twl6040 *twl6040)
536 ret = regmap_read(twl6040->regmap, TWL6040_REG_VIBCTLL, ®);
541 ret = regmap_read(twl6040->regmap, TWL6040_REG_VIBCTLR, ®);
627 .name = "twl6040",
640 struct twl6040 *twl6040;
655 twl6040 = devm_kzalloc(&client->dev, sizeof(struct twl6040),
657 if (!twl6040)
660 twl6040->regmap = devm_regmap_init_i2c(client, &twl6040_regmap_config);
661 if (IS_ERR(twl6040->regmap))
662 return PTR_ERR(twl6040->regmap);
664 i2c_set_clientdata(client, twl6040);
666 twl6040->clk32k = devm_clk_get(&client->dev, "clk32k");
667 if (IS_ERR(twl6040->clk32k)) {
668 if (PTR_ERR(twl6040->clk32k) == -EPROBE_DEFER)
671 twl6040->clk32k = NULL;
674 twl6040->mclk = devm_clk_get(&client->dev, "mclk");
675 if (IS_ERR(twl6040->mclk)) {
676 if (PTR_ERR(twl6040->mclk) == -EPROBE_DEFER)
679 twl6040->mclk = NULL;
682 twl6040->supplies[0].supply = "vio";
683 twl6040->supplies[1].supply = "v2v1";
685 twl6040->supplies);
691 ret = regulator_bulk_enable(TWL6040_NUM_SUPPLIES, twl6040->supplies);
697 twl6040->dev = &client->dev;
698 twl6040->irq = client->irq;
700 mutex_init(&twl6040->mutex);
701 init_completion(&twl6040->ready);
703 regmap_register_patch(twl6040->regmap, twl6040_patch,
706 twl6040->rev = twl6040_reg_read(twl6040, TWL6040_REG_ASICREV);
707 if (twl6040->rev < 0) {
709 twl6040->rev);
710 ret = twl6040->rev;
715 if (twl6040_get_revid(twl6040) > TWL6040_REV_ES1_0)
716 twl6040->audpwron = of_get_named_gpio(node,
719 twl6040->audpwron = -EINVAL;
721 if (gpio_is_valid(twl6040->audpwron)) {
722 ret = devm_gpio_request_one(&client->dev, twl6040->audpwron,
728 twl6040_reg_read(twl6040, TWL6040_REG_INTID);
731 ret = regmap_add_irq_chip(twl6040->regmap, twl6040->irq, IRQF_ONESHOT,
732 0, &twl6040_irq_chip, &twl6040->irq_data);
736 twl6040->irq_ready = regmap_irq_get_virq(twl6040->irq_data,
738 twl6040->irq_th = regmap_irq_get_virq(twl6040->irq_data,
741 ret = devm_request_threaded_irq(twl6040->dev, twl6040->irq_ready, NULL,
743 "twl6040_irq_ready", twl6040);
745 dev_err(twl6040->dev, "READY IRQ request failed: %d\n", ret);
749 ret = devm_request_threaded_irq(twl6040->dev, twl6040->irq_th, NULL,
751 "twl6040_irq_th", twl6040);
753 dev_err(twl6040->dev, "Thermal IRQ request failed: %d\n", ret);
758 * The main functionality of twl6040 to provide audio on OMAP4+ systems.
761 irq = regmap_irq_get_virq(twl6040->irq_data, TWL6040_IRQ_PLUG);
762 cell = &twl6040->cells[children];
763 cell->name = "twl6040-codec";
772 irq = regmap_irq_get_virq(twl6040->irq_data, TWL6040_IRQ_VIB);
774 cell = &twl6040->cells[children];
775 cell->name = "twl6040-vibra";
784 cell = &twl6040->cells[children];
785 cell->name = "twl6040-gpo";
789 cell = &twl6040->cells[children];
790 cell->name = "twl6040-pdmclk";
794 regcache_cache_only(twl6040->regmap, true);
795 regcache_mark_dirty(twl6040->regmap);
797 ret = mfd_add_devices(&client->dev, -1, twl6040->cells, children,
805 regmap_del_irq_chip(twl6040->irq, twl6040->irq_data);
807 regulator_bulk_disable(TWL6040_NUM_SUPPLIES, twl6040->supplies);
813 struct twl6040 *twl6040 = i2c_get_clientdata(client);
815 if (twl6040->power_count)
816 twl6040_power(twl6040, 0);
818 regmap_del_irq_chip(twl6040->irq, twl6040->irq_data);
822 regulator_bulk_disable(TWL6040_NUM_SUPPLIES, twl6040->supplies);
828 { "twl6040", 0, },
836 .name = "twl6040",