41 static void ak4113_init_regs(struct ak4113 *chip);
57 static void snd_ak4113_free(struct ak4113 *chip)  in snd_ak4113_free()  argument
59 	atomic_inc(&chip->wq_processing);	/* don't schedule new work */  in snd_ak4113_free()
60 	cancel_delayed_work_sync(&chip->work);  in snd_ak4113_free()
61 	kfree(chip);  in snd_ak4113_free()
66 	struct ak4113 *chip = device->device_data;  in snd_ak4113_dev_free()  local
67 	snd_ak4113_free(chip);  in snd_ak4113_dev_free()
75 	struct ak4113 *chip;  in snd_ak4113_create()  local
82 	chip = kzalloc(sizeof(*chip), GFP_KERNEL);  in snd_ak4113_create()
83 	if (chip == NULL)  in snd_ak4113_create()
85 	spin_lock_init(&chip->lock);  in snd_ak4113_create()
86 	chip->card = card;  in snd_ak4113_create()
87 	chip->read = read;  in snd_ak4113_create()
88 	chip->write = write;  in snd_ak4113_create()
89 	chip->private_data = private_data;  in snd_ak4113_create()
90 	INIT_DELAYED_WORK(&chip->work, ak4113_stats);  in snd_ak4113_create()
91 	atomic_set(&chip->wq_processing, 0);  in snd_ak4113_create()
92 	mutex_init(&chip->reinit_mutex);  in snd_ak4113_create()
95 		chip->regmap[reg] = pgm[reg];  in snd_ak4113_create()
96 	ak4113_init_regs(chip);  in snd_ak4113_create()
98 	chip->rcs0 = reg_read(chip, AK4113_REG_RCS0) & ~(AK4113_QINT |  in snd_ak4113_create()
100 	chip->rcs1 = reg_read(chip, AK4113_REG_RCS1);  in snd_ak4113_create()
101 	chip->rcs2 = reg_read(chip, AK4113_REG_RCS2);  in snd_ak4113_create()
102 	err = snd_device_new(card, SNDRV_DEV_CODEC, chip, &ops);  in snd_ak4113_create()
107 		*r_ak4113 = chip;  in snd_ak4113_create()
111 	snd_ak4113_free(chip);  in snd_ak4113_create()
116 void snd_ak4113_reg_write(struct ak4113 *chip, unsigned char reg,  in snd_ak4113_reg_write()  argument
121 	reg_write(chip, reg, (chip->regmap[reg] & ~mask) | val);  in snd_ak4113_reg_write()
125 static void ak4113_init_regs(struct ak4113 *chip)  in ak4113_init_regs()  argument
127 	unsigned char old = chip->regmap[AK4113_REG_PWRDN], reg;  in ak4113_init_regs()
130 	reg_write(chip, AK4113_REG_PWRDN, old & ~(AK4113_RST|AK4113_PWN));  in ak4113_init_regs()
133 	reg_write(chip, AK4113_REG_PWRDN, (old | AK4113_RST) & ~AK4113_PWN);  in ak4113_init_regs()
136 		reg_write(chip, reg, chip->regmap[reg]);  in ak4113_init_regs()
138 	reg_write(chip, AK4113_REG_PWRDN, old | AK4113_RST | AK4113_PWN);  in ak4113_init_regs()
141 void snd_ak4113_reinit(struct ak4113 *chip)  in snd_ak4113_reinit()  argument
143 	if (atomic_inc_return(&chip->wq_processing) == 1)  in snd_ak4113_reinit()
144 		cancel_delayed_work_sync(&chip->work);  in snd_ak4113_reinit()
145 	mutex_lock(&chip->reinit_mutex);  in snd_ak4113_reinit()
146 	ak4113_init_regs(chip);  in snd_ak4113_reinit()
147 	mutex_unlock(&chip->reinit_mutex);  in snd_ak4113_reinit()
149 	if (atomic_dec_and_test(&chip->wq_processing))  in snd_ak4113_reinit()
150 		schedule_delayed_work(&chip->work, HZ / 10);  in snd_ak4113_reinit()
201 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);  in snd_ak4113_in_error_get()  local
204 	spin_lock_irq(&chip->lock);  in snd_ak4113_in_error_get()
205 	ptr = (long *)(((char *)chip) + kcontrol->private_value);  in snd_ak4113_in_error_get()
208 	spin_unlock_irq(&chip->lock);  in snd_ak4113_in_error_get()
217 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);  in snd_ak4113_in_bit_get()  local
223 		((reg_read(chip, reg) & (1 << bit)) ? 1 : 0) ^ inv;  in snd_ak4113_in_bit_get()
240 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);  in snd_ak4113_rx_get()  local
243 		(AK4113_IPS(chip->regmap[AK4113_REG_IO1]));  in snd_ak4113_rx_get()
250 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);  in snd_ak4113_rx_put()  local
254 	spin_lock_irq(&chip->lock);  in snd_ak4113_rx_put()
255 	old_val = chip->regmap[AK4113_REG_IO1];  in snd_ak4113_rx_put()
258 		reg_write(chip, AK4113_REG_IO1,  in snd_ak4113_rx_put()
261 	spin_unlock_irq(&chip->lock);  in snd_ak4113_rx_put()
278 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);  in snd_ak4113_rate_get()  local
280 	ucontrol->value.integer.value[0] = external_rate(reg_read(chip,  in snd_ak4113_rate_get()
296 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);  in snd_ak4113_spdif_get()  local
300 		ucontrol->value.iec958.status[i] = reg_read(chip,  in snd_ak4113_spdif_get()
333 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);  in snd_ak4113_spdif_pget()  local
338 	tmp = reg_read(chip, AK4113_REG_Pc0) |  in snd_ak4113_spdif_pget()
339 		(reg_read(chip, AK4113_REG_Pc1) << 8);  in snd_ak4113_spdif_pget()
341 	tmp = reg_read(chip, AK4113_REG_Pd0) |  in snd_ak4113_spdif_pget()
342 		(reg_read(chip, AK4113_REG_Pd1) << 8);  in snd_ak4113_spdif_pget()
358 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);  in snd_ak4113_spdif_qget()  local
362 		ucontrol->value.bytes.data[i] = reg_read(chip,  in snd_ak4113_spdif_qget()
634 	struct ak4113 *chip = container_of(work, struct ak4113, work.work);  in ak4113_stats()  local
636 	if (atomic_inc_return(&chip->wq_processing) == 1)  in ak4113_stats()
637 		snd_ak4113_check_rate_and_errors(chip, chip->check_flags);  in ak4113_stats()
639 	if (atomic_dec_and_test(&chip->wq_processing))  in ak4113_stats()
640 		schedule_delayed_work(&chip->work, HZ / 10);  in ak4113_stats()
644 void snd_ak4113_suspend(struct ak4113 *chip)  in snd_ak4113_suspend()  argument
646 	atomic_inc(&chip->wq_processing); /* don't schedule new work */  in snd_ak4113_suspend()
647 	cancel_delayed_work_sync(&chip->work);  in snd_ak4113_suspend()
651 void snd_ak4113_resume(struct ak4113 *chip)  in snd_ak4113_resume()  argument
653 	atomic_dec(&chip->wq_processing);  in snd_ak4113_resume()
654 	snd_ak4113_reinit(chip);  in snd_ak4113_resume()