1 /* SPDX-License-Identifier: GPL-2.0 */
3  * HD-audio core stuff
47  * HD-audio codec base device
158  * snd_hdac_read_parm - read a codec parameter
163  * Returns -1 for error.  If you need to distinguish the error more
171 	return _snd_hdac_read_parm(codec, nid, parm, &val) < 0 ? -1 : val;  in snd_hdac_read_parm()
184 	atomic_inc(&codec->in_pm);  in snd_hdac_enter_pm()
190 	atomic_dec(&codec->in_pm);  in snd_hdac_leave_pm()
195 	return atomic_read(&codec->in_pm);  in snd_hdac_is_in_pm()
200 	return !pm_runtime_suspended(&codec->dev);  in snd_hdac_is_power_on()
215  * HD-audio codec base driver
221 	int (*match)(struct hdac_device *dev, struct hdac_driver *drv);  member
271  * HD-audio bus base driver
304 	/* link caddr -> codec */
383 	set_bit(codec->addr, &codec->bus->codec_powered);  in snd_hdac_codec_link_up()
388 	clear_bit(codec->addr, &codec->bus->codec_powered);  in snd_hdac_codec_link_down()
413 unsigned int snd_hdac_aligned_read(void __iomem *addr, unsigned int mask);
415 			    unsigned int mask);
416 #define snd_hdac_aligned_mmio(bus)	(bus)->aligned_mmio
419 #define snd_hdac_aligned_read(addr, mask)	0  argument
420 #define snd_hdac_aligned_write(val, addr, mask) do {} while (0)  argument
460 	snd_hdac_reg_writeb(chip, (chip)->remap_addr + (reg), value)
462 	snd_hdac_reg_readb(chip, (chip)->remap_addr + (reg))
464 	snd_hdac_reg_writew(chip, (chip)->remap_addr + (reg), value)
466 	snd_hdac_reg_readw(chip, (chip)->remap_addr + (reg))
468 	snd_hdac_reg_writel(chip, (chip)->remap_addr + (reg), value)
470 	snd_hdac_reg_readl(chip, (chip)->remap_addr + (reg))
487 #define snd_hdac_chip_updatel(chip, reg, mask, val) \  argument
489 			     (snd_hdac_chip_readl(chip, reg) & ~(mask)) | (val))
490 #define snd_hdac_chip_updatew(chip, reg, mask, val) \  argument
492 			     (snd_hdac_chip_readw(chip, reg) & ~(mask)) | (val))
493 #define snd_hdac_chip_updateb(chip, reg, mask, val) \  argument
495 			     (snd_hdac_chip_readb(chip, reg) & ~(mask)) | (val))
498  * HD-audio stream
511 	void __iomem *sd_addr;	/* stream descriptor pointer */
513 	u32 sd_int_sta_mask;	/* stream int status mask */
523 	unsigned char stream_tag;	/* assigned stream */
524 	unsigned char index;		/* stream index */
580 	snd_hdac_reg_writel((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value)
582 	snd_hdac_reg_writew((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value)
584 	snd_hdac_reg_writeb((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value)
586 	snd_hdac_reg_readl((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
588 	snd_hdac_reg_readw((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
590 	snd_hdac_reg_readb((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
593 #define snd_hdac_stream_updatel(dev, reg, mask, val) \  argument
596 				~(mask)) | (val))
597 #define snd_hdac_stream_updatew(dev, reg, mask, val) \  argument
600 				~(mask)) | (val))
601 #define snd_hdac_stream_updateb(dev, reg, mask, val) \  argument
604 				~(mask)) | (val))
608 #define snd_hdac_dsp_lock_init(dev)	mutex_init(&(dev)->dsp_mutex)
609 #define snd_hdac_dsp_lock(dev)		mutex_lock(&(dev)->dsp_mutex)
610 #define snd_hdac_dsp_unlock(dev)	mutex_unlock(&(dev)->dsp_mutex)
611 #define snd_hdac_stream_is_locked(dev)	((dev)->locked)
650 	array->elem_size = size;  in snd_array_init()
651 	array->alloc_align = align;  in snd_array_init()
656 	return array->list + idx * array->elem_size;  in snd_array_elem()
661 	return (unsigned long)(ptr - array->list) / array->elem_size;  in snd_array_index()
666 	for ((idx) = 0, (ptr) = (array)->list; (idx) < (array)->used; \