Lines Matching defs:twl6040
24 #include <linux/mfd/twl6040.h>
96 int twl6040_reg_read(struct twl6040 *twl6040, unsigned int reg)
101 ret = regmap_read(twl6040->regmap, reg, &val);
109 int twl6040_reg_write(struct twl6040 *twl6040, unsigned int reg, u8 val)
113 ret = regmap_write(twl6040->regmap, reg, val);
119 int twl6040_set_bits(struct twl6040 *twl6040, unsigned int reg, u8 mask)
121 return regmap_update_bits(twl6040->regmap, reg, mask, mask);
125 int twl6040_clear_bits(struct twl6040 *twl6040, unsigned int reg, u8 mask)
127 return regmap_update_bits(twl6040->regmap, reg, mask, 0);
131 /* twl6040 codec manual power-up sequence */
132 static int twl6040_power_up_manual(struct twl6040 *twl6040)
139 ret = twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
146 ret = twl6040_reg_write(twl6040, TWL6040_REG_NCPCTL, ncpctl);
153 ret = twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
160 ret = twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl);
167 ret = twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
175 twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl);
178 twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
181 twl6040_reg_write(twl6040, TWL6040_REG_NCPCTL, ncpctl);
184 twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
186 dev_err(twl6040->dev, "manual power-up failed\n");
190 /* twl6040 manual power-down sequence */
191 static void twl6040_power_down_manual(struct twl6040 *twl6040)
195 ncpctl = twl6040_reg_read(twl6040, TWL6040_REG_NCPCTL);
196 ldoctl = twl6040_reg_read(twl6040, TWL6040_REG_LDOCTL);
197 lppllctl = twl6040_reg_read(twl6040, TWL6040_REG_LPPLLCTL);
201 twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
206 twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl);
210 twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
214 twl6040_reg_write(twl6040, TWL6040_REG_NCPCTL, ncpctl);
218 twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl);
223 struct twl6040 *twl6040 = data;
225 complete(&twl6040->ready);
232 struct twl6040 *twl6040 = data;
235 status = twl6040_reg_read(twl6040, TWL6040_REG_STATUS);
237 dev_warn(twl6040->dev, "Thermal shutdown, powering-off");
238 twl6040_power(twl6040, 0);
240 dev_warn(twl6040->dev, "Leaving thermal shutdown, powering-on");
241 twl6040_power(twl6040, 1);
247 static int twl6040_power_up_automatic(struct twl6040 *twl6040)
251 gpiod_set_value_cansleep(twl6040->audpwron, 1);
253 time_left = wait_for_completion_timeout(&twl6040->ready,
258 dev_warn(twl6040->dev, "timeout waiting for READYINT\n");
259 intid = twl6040_reg_read(twl6040, TWL6040_REG_INTID);
261 dev_err(twl6040->dev, "automatic power-up failed\n");
262 gpiod_set_value_cansleep(twl6040->audpwron, 0);
270 int twl6040_power(struct twl6040 *twl6040, int on)
274 mutex_lock(&twl6040->mutex);
278 if (twl6040->power_count++)
281 ret = clk_prepare_enable(twl6040->clk32k);
283 twl6040->power_count = 0;
288 regcache_cache_only(twl6040->regmap, false);
290 if (twl6040->audpwron) {
292 ret = twl6040_power_up_automatic(twl6040);
294 clk_disable_unprepare(twl6040->clk32k);
295 twl6040->power_count = 0;
300 ret = twl6040_power_up_manual(twl6040);
302 clk_disable_unprepare(twl6040->clk32k);
303 twl6040->power_count = 0;
315 ret = regcache_sync(twl6040->regmap);
317 dev_err(twl6040->dev, "Failed to sync with the HW: %i\n",
323 twl6040->pll = TWL6040_SYSCLK_SEL_LPPLL;
324 twl6040->sysclk_rate = 19200000;
327 if (!twl6040->power_count) {
328 dev_err(twl6040->dev,
334 if (--twl6040->power_count)
337 if (twl6040->audpwron) {
339 gpiod_set_value_cansleep(twl6040->audpwron, 0);
345 twl6040_power_down_manual(twl6040);
349 regcache_cache_only(twl6040->regmap, true);
350 regcache_mark_dirty(twl6040->regmap);
352 twl6040->sysclk_rate = 0;
354 if (twl6040->pll == TWL6040_SYSCLK_SEL_HPPLL) {
355 clk_disable_unprepare(twl6040->mclk);
356 twl6040->mclk_rate = 0;
359 clk_disable_unprepare(twl6040->clk32k);
363 mutex_unlock(&twl6040->mutex);
368 int twl6040_set_pll(struct twl6040 *twl6040, int pll_id,
374 mutex_lock(&twl6040->mutex);
376 hppllctl = twl6040_reg_read(twl6040, TWL6040_REG_HPPLLCTL);
377 lppllctl = twl6040_reg_read(twl6040, TWL6040_REG_LPPLLCTL);
380 if (pll_id != twl6040->pll) {
381 twl6040->sysclk_rate = 0;
382 twl6040->mclk_rate = 0;
389 if (twl6040->sysclk_rate != freq_out) {
398 dev_err(twl6040->dev,
404 twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL,
409 if (twl6040->pll == pll_id)
415 twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL,
419 twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL,
422 twl6040_reg_write(twl6040, TWL6040_REG_HPPLLCTL,
426 dev_err(twl6040->dev,
432 clk_disable_unprepare(twl6040->mclk);
437 dev_err(twl6040->dev,
443 if (twl6040->mclk_rate != freq_in) {
468 dev_err(twl6040->dev,
475 if (pll_id != twl6040->pll)
476 clk_prepare_enable(twl6040->mclk);
483 twl6040_reg_write(twl6040, TWL6040_REG_HPPLLCTL,
487 twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL,
490 twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL,
493 twl6040->mclk_rate = freq_in;
497 dev_err(twl6040->dev, "unknown pll id %d\n", pll_id);
502 twl6040->sysclk_rate = freq_out;
503 twl6040->pll = pll_id;
506 mutex_unlock(&twl6040->mutex);
511 int twl6040_get_pll(struct twl6040 *twl6040)
513 if (twl6040->power_count)
514 return twl6040->pll;
520 unsigned int twl6040_get_sysclk(struct twl6040 *twl6040)
522 return twl6040->sysclk_rate;
527 int twl6040_get_vibralr_status(struct twl6040 *twl6040)
533 ret = regmap_read(twl6040->regmap, TWL6040_REG_VIBCTLL, ®);
538 ret = regmap_read(twl6040->regmap, TWL6040_REG_VIBCTLR, ®);
624 .name = "twl6040",
636 struct twl6040 *twl6040;
651 twl6040 = devm_kzalloc(&client->dev, sizeof(struct twl6040),
653 if (!twl6040)
656 twl6040->regmap = devm_regmap_init_i2c(client, &twl6040_regmap_config);
657 if (IS_ERR(twl6040->regmap))
658 return PTR_ERR(twl6040->regmap);
660 i2c_set_clientdata(client, twl6040);
662 twl6040->clk32k = devm_clk_get(&client->dev, "clk32k");
663 if (IS_ERR(twl6040->clk32k)) {
664 if (PTR_ERR(twl6040->clk32k) == -EPROBE_DEFER)
667 twl6040->clk32k = NULL;
670 twl6040->mclk = devm_clk_get(&client->dev, "mclk");
671 if (IS_ERR(twl6040->mclk)) {
672 if (PTR_ERR(twl6040->mclk) == -EPROBE_DEFER)
675 twl6040->mclk = NULL;
678 twl6040->supplies[0].supply = "vio";
679 twl6040->supplies[1].supply = "v2v1";
681 twl6040->supplies);
687 ret = regulator_bulk_enable(TWL6040_NUM_SUPPLIES, twl6040->supplies);
693 twl6040->dev = &client->dev;
694 twl6040->irq = client->irq;
696 mutex_init(&twl6040->mutex);
697 init_completion(&twl6040->ready);
699 regmap_register_patch(twl6040->regmap, twl6040_patch,
702 twl6040->rev = twl6040_reg_read(twl6040, TWL6040_REG_ASICREV);
703 if (twl6040->rev < 0) {
705 twl6040->rev);
706 ret = twl6040->rev;
711 if (twl6040_get_revid(twl6040) > TWL6040_REV_ES1_0) {
712 twl6040->audpwron = devm_gpiod_get_optional(&client->dev,
715 ret = PTR_ERR_OR_ZERO(twl6040->audpwron);
719 gpiod_set_consumer_name(twl6040->audpwron, "audpwron");
722 twl6040_reg_read(twl6040, TWL6040_REG_INTID);
725 ret = regmap_add_irq_chip(twl6040->regmap, twl6040->irq, IRQF_ONESHOT,
726 0, &twl6040_irq_chip, &twl6040->irq_data);
730 twl6040->irq_ready = regmap_irq_get_virq(twl6040->irq_data,
732 twl6040->irq_th = regmap_irq_get_virq(twl6040->irq_data,
735 ret = devm_request_threaded_irq(twl6040->dev, twl6040->irq_ready, NULL,
737 "twl6040_irq_ready", twl6040);
739 dev_err(twl6040->dev, "READY IRQ request failed: %d\n", ret);
743 ret = devm_request_threaded_irq(twl6040->dev, twl6040->irq_th, NULL,
745 "twl6040_irq_th", twl6040);
747 dev_err(twl6040->dev, "Thermal IRQ request failed: %d\n", ret);
752 * The main functionality of twl6040 to provide audio on OMAP4+ systems.
755 irq = regmap_irq_get_virq(twl6040->irq_data, TWL6040_IRQ_PLUG);
756 cell = &twl6040->cells[children];
757 cell->name = "twl6040-codec";
766 irq = regmap_irq_get_virq(twl6040->irq_data, TWL6040_IRQ_VIB);
768 cell = &twl6040->cells[children];
769 cell->name = "twl6040-vibra";
778 cell = &twl6040->cells[children];
779 cell->name = "twl6040-gpo";
783 cell = &twl6040->cells[children];
784 cell->name = "twl6040-pdmclk";
788 regcache_cache_only(twl6040->regmap, true);
789 regcache_mark_dirty(twl6040->regmap);
791 ret = mfd_add_devices(&client->dev, -1, twl6040->cells, children,
799 regmap_del_irq_chip(twl6040->irq, twl6040->irq_data);
801 regulator_bulk_disable(TWL6040_NUM_SUPPLIES, twl6040->supplies);
807 struct twl6040 *twl6040 = i2c_get_clientdata(client);
809 if (twl6040->power_count)
810 twl6040_power(twl6040, 0);
812 regmap_del_irq_chip(twl6040->irq, twl6040->irq_data);
816 regulator_bulk_disable(TWL6040_NUM_SUPPLIES, twl6040->supplies);
820 { "twl6040", 0, },
828 .name = "twl6040",