20 	struct snd_pdacf *chip = private_data;  in pdacf_ak4117_read()  local
25 	spin_lock_irqsave(&chip->ak4117_lock, flags);  in pdacf_ak4117_read()
27 	while (pdacf_reg_read(chip, PDAUDIOCF_REG_SCR) & PDAUDIOCF_AK_SBP) {  in pdacf_ak4117_read()
30 			spin_unlock_irqrestore(&chip->ak4117_lock, flags);  in pdacf_ak4117_read()
31 			dev_err(chip->card->dev, "AK4117 ready timeout (read)\n");  in pdacf_ak4117_read()
35 	pdacf_reg_write(chip, PDAUDIOCF_REG_AK_IFR, (u16)reg << 8);  in pdacf_ak4117_read()
37 	while (pdacf_reg_read(chip, PDAUDIOCF_REG_SCR) & PDAUDIOCF_AK_SBP) {  in pdacf_ak4117_read()
40 			spin_unlock_irqrestore(&chip->ak4117_lock, flags);  in pdacf_ak4117_read()
41 			dev_err(chip->card->dev, "AK4117 read timeout (read2)\n");  in pdacf_ak4117_read()
45 	res = (unsigned char)pdacf_reg_read(chip, PDAUDIOCF_REG_AK_IFR);  in pdacf_ak4117_read()
46 	spin_unlock_irqrestore(&chip->ak4117_lock, flags);  in pdacf_ak4117_read()
52 	struct snd_pdacf *chip = private_data;  in pdacf_ak4117_write()  local
56 	spin_lock_irqsave(&chip->ak4117_lock, flags);  in pdacf_ak4117_write()
58 	while (inw(chip->port + PDAUDIOCF_REG_SCR) & PDAUDIOCF_AK_SBP) {  in pdacf_ak4117_write()
61 			spin_unlock_irqrestore(&chip->ak4117_lock, flags);  in pdacf_ak4117_write()
62 			dev_err(chip->card->dev, "AK4117 ready timeout (write)\n");  in pdacf_ak4117_write()
66 	outw((u16)reg << 8 | val | (1<<13), chip->port + PDAUDIOCF_REG_AK_IFR);  in pdacf_ak4117_write()
67 	spin_unlock_irqrestore(&chip->ak4117_lock, flags);  in pdacf_ak4117_write()
71 void pdacf_dump(struct snd_pdacf *chip)
73 	dev_dbg(chip->card->dev, "PDAUDIOCF DUMP (0x%lx):\n", chip->port);
74 	dev_dbg(chip->card->dev, "WPD         : 0x%x\n",
75 		inw(chip->port + PDAUDIOCF_REG_WDP));
76 	dev_dbg(chip->card->dev, "RDP         : 0x%x\n",
77 		inw(chip->port + PDAUDIOCF_REG_RDP));
78 	dev_dbg(chip->card->dev, "TCR         : 0x%x\n",
79 		inw(chip->port + PDAUDIOCF_REG_TCR));
80 	dev_dbg(chip->card->dev, "SCR         : 0x%x\n",
81 		inw(chip->port + PDAUDIOCF_REG_SCR));
82 	dev_dbg(chip->card->dev, "ISR         : 0x%x\n",
83 		inw(chip->port + PDAUDIOCF_REG_ISR));
84 	dev_dbg(chip->card->dev, "IER         : 0x%x\n",
85 		inw(chip->port + PDAUDIOCF_REG_IER));
86 	dev_dbg(chip->card->dev, "AK_IFR      : 0x%x\n",
87 		inw(chip->port + PDAUDIOCF_REG_AK_IFR));
91 static int pdacf_reset(struct snd_pdacf *chip, int powerdown)  in pdacf_reset()  argument
95 	val = pdacf_reg_read(chip, PDAUDIOCF_REG_SCR);  in pdacf_reset()
98 	pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, val);  in pdacf_reset()
101 	pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, val);  in pdacf_reset()
104 	pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, val);  in pdacf_reset()
108 		pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, val);  in pdacf_reset()
114 void pdacf_reinit(struct snd_pdacf *chip, int resume)  in pdacf_reinit()  argument
116 	pdacf_reset(chip, 0);  in pdacf_reinit()
118 		pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, chip->suspend_reg_scr);  in pdacf_reinit()
119 	snd_ak4117_reinit(chip->ak4117);  in pdacf_reinit()
120 	pdacf_reg_write(chip, PDAUDIOCF_REG_TCR, chip->regmap[PDAUDIOCF_REG_TCR>>1]);  in pdacf_reinit()
121 	pdacf_reg_write(chip, PDAUDIOCF_REG_IER, chip->regmap[PDAUDIOCF_REG_IER>>1]);  in pdacf_reinit()
127 	struct snd_pdacf *chip = entry->private_data;  in pdacf_proc_read()  local
131 	tmp = pdacf_reg_read(chip, PDAUDIOCF_REG_SCR);  in pdacf_proc_read()
136 static void pdacf_proc_init(struct snd_pdacf *chip)  in pdacf_proc_init()  argument
138 	snd_card_ro_proc_new(chip->card, "pdaudiocf", chip, pdacf_proc_read);  in pdacf_proc_init()
143 	struct snd_pdacf *chip;  in snd_pdacf_create()  local
145 	chip = kzalloc(sizeof(*chip), GFP_KERNEL);  in snd_pdacf_create()
146 	if (chip == NULL)  in snd_pdacf_create()
148 	chip->card = card;  in snd_pdacf_create()
149 	mutex_init(&chip->reg_lock);  in snd_pdacf_create()
150 	spin_lock_init(&chip->ak4117_lock);  in snd_pdacf_create()
151 	card->private_data = chip;  in snd_pdacf_create()
153 	pdacf_proc_init(chip);  in snd_pdacf_create()
154 	return chip;  in snd_pdacf_create()
159 	struct snd_pdacf *chip = ak4117->change_callback_private;  in snd_pdacf_ak4117_change()  local
164 	mutex_lock(&chip->reg_lock);  in snd_pdacf_ak4117_change()
165 	val = chip->regmap[PDAUDIOCF_REG_SCR>>1];  in snd_pdacf_ak4117_change()
170 	pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, val);  in snd_pdacf_ak4117_change()
171 	mutex_unlock(&chip->reg_lock);  in snd_pdacf_ak4117_change()
174 int snd_pdacf_ak4117_create(struct snd_pdacf *chip)  in snd_pdacf_ak4117_create()  argument
190 	err = pdacf_reset(chip, 0);  in snd_pdacf_ak4117_create()
193 …err = snd_ak4117_create(chip->card, pdacf_ak4117_read, pdacf_ak4117_write, pgm, chip, &chip->ak411…  in snd_pdacf_ak4117_create()
197 	val = pdacf_reg_read(chip, PDAUDIOCF_REG_TCR);  in snd_pdacf_ak4117_create()
204 	pdacf_reg_write(chip, PDAUDIOCF_REG_TCR, val);  in snd_pdacf_ak4117_create()
207 	val = pdacf_reg_read(chip, PDAUDIOCF_REG_SCR);  in snd_pdacf_ak4117_create()
211 	pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, val);  in snd_pdacf_ak4117_create()
214 	val = pdacf_reg_read(chip, PDAUDIOCF_REG_IER);  in snd_pdacf_ak4117_create()
219 	pdacf_reg_write(chip, PDAUDIOCF_REG_IER, val);  in snd_pdacf_ak4117_create()
221 	chip->ak4117->change_callback_private = chip;  in snd_pdacf_ak4117_create()
222 	chip->ak4117->change_callback = snd_pdacf_ak4117_change;  in snd_pdacf_ak4117_create()
225 	snd_pdacf_ak4117_change(chip->ak4117, AK4117_UNLCK, 0);  in snd_pdacf_ak4117_create()
230 void snd_pdacf_powerdown(struct snd_pdacf *chip)  in snd_pdacf_powerdown()  argument
234 	val = pdacf_reg_read(chip, PDAUDIOCF_REG_SCR);  in snd_pdacf_powerdown()
235 	chip->suspend_reg_scr = val;  in snd_pdacf_powerdown()
237 	pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, val);  in snd_pdacf_powerdown()
239 	val = inw(chip->port + PDAUDIOCF_REG_IER);  in snd_pdacf_powerdown()
241 	outw(val, chip->port + PDAUDIOCF_REG_IER);  in snd_pdacf_powerdown()
242 	pdacf_reset(chip, 1);  in snd_pdacf_powerdown()
247 int snd_pdacf_suspend(struct snd_pdacf *chip)  in snd_pdacf_suspend()  argument
251 	snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot);  in snd_pdacf_suspend()
253 	val = inw(chip->port + PDAUDIOCF_REG_IER);  in snd_pdacf_suspend()
255 	outw(val, chip->port + PDAUDIOCF_REG_IER);  in snd_pdacf_suspend()
256 	chip->chip_status |= PDAUDIOCF_STAT_IS_SUSPENDED;	/* ignore interrupts from now */  in snd_pdacf_suspend()
257 	snd_pdacf_powerdown(chip);  in snd_pdacf_suspend()
261 static inline int check_signal(struct snd_pdacf *chip)  in check_signal()  argument
263 	return (chip->ak4117->rcs0 & AK4117_UNLCK) == 0;  in check_signal()
266 int snd_pdacf_resume(struct snd_pdacf *chip)  in snd_pdacf_resume()  argument
270 	pdacf_reinit(chip, 1);  in snd_pdacf_resume()
273 	       (snd_ak4117_external_rate(chip->ak4117) <= 0 || !check_signal(chip)))  in snd_pdacf_resume()
275 	chip->chip_status &= ~PDAUDIOCF_STAT_IS_SUSPENDED;  in snd_pdacf_resume()
276 	snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0);  in snd_pdacf_resume()