1 /* SPDX-License-Identifier: GPL-2.0 */
3  * HD-audio core stuff
12 #include <linux/io-64-nonatomic-lo-hi.h>
50  * HD-audio codec base device
162  * snd_hdac_read_parm - read a codec parameter
167  * Returns -1 for error.  If you need to distinguish the error more
175 	return _snd_hdac_read_parm(codec, nid, parm, &val) < 0 ? -1 : val;  in snd_hdac_read_parm()
188 	atomic_inc(&codec->in_pm);  in snd_hdac_enter_pm()
194 	atomic_dec(&codec->in_pm);  in snd_hdac_leave_pm()
199 	return atomic_read(&codec->in_pm);  in snd_hdac_is_in_pm()
204 	return !pm_runtime_suspended(&codec->dev);  in snd_hdac_is_power_on()
219  * HD-audio codec base driver
225 	int (*match)(struct hdac_device *dev, struct hdac_driver *drv);  member
248 	/* notify of codec link power-up/down */
277  * HD-audio bus base driver
310 	/* link caddr -> codec */
415 unsigned int snd_hdac_aligned_read(void __iomem *addr, unsigned int mask);
417 			    unsigned int mask);
418 #define snd_hdac_aligned_mmio(bus)	(bus)->aligned_mmio
421 #define snd_hdac_aligned_read(addr, mask)	0  argument
422 #define snd_hdac_aligned_write(val, addr, mask) do {} while (0)  argument
464 	snd_hdac_reg_writeb(chip, (chip)->remap_addr + (reg), value)
466 	snd_hdac_reg_readb(chip, (chip)->remap_addr + (reg))
468 	snd_hdac_reg_writew(chip, (chip)->remap_addr + (reg), value)
470 	snd_hdac_reg_readw(chip, (chip)->remap_addr + (reg))
472 	snd_hdac_reg_writel(chip, (chip)->remap_addr + (reg), value)
474 	snd_hdac_reg_readl(chip, (chip)->remap_addr + (reg))
491 #define snd_hdac_chip_updatel(chip, reg, mask, val) \  argument
493 			     (snd_hdac_chip_readl(chip, reg) & ~(mask)) | (val))
494 #define snd_hdac_chip_updatew(chip, reg, mask, val) \  argument
496 			     (snd_hdac_chip_readw(chip, reg) & ~(mask)) | (val))
497 #define snd_hdac_chip_updateb(chip, reg, mask, val) \  argument
499 			     (snd_hdac_chip_readb(chip, reg) & ~(mask)) | (val))
502 #define snd_hdac_updatel(addr, reg, mask, val)		\  argument
503 	writel(((readl(addr + reg) & ~(mask)) | (val)), addr + reg)
505 #define snd_hdac_updatew(addr, reg, mask, val)		\  argument
506 	writew(((readw(addr + reg) & ~(mask)) | (val)), addr + reg)
509  * HD-audio stream
522 	void __iomem *sd_addr;	/* stream descriptor pointer */
524 	void __iomem *spib_addr; /* software position in buffers stream pointer */
525 	void __iomem *fifo_addr; /* software position Max fifos stream pointer */
531 	u32 sd_int_sta_mask;	/* stream int status mask */
541 	unsigned char stream_tag;	/* assigned stream */
542 	unsigned char index;		/* stream index */
613 	snd_hdac_reg_writel((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value)
615 	snd_hdac_reg_writew((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value)
617 	snd_hdac_reg_writeb((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value)
619 	snd_hdac_reg_readl((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
621 	snd_hdac_reg_readw((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
623 	snd_hdac_reg_readb((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
626 				 false, (dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
629 				 false, (dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
632 #define snd_hdac_stream_updatel(dev, reg, mask, val) \  argument
635 				~(mask)) | (val))
636 #define snd_hdac_stream_updatew(dev, reg, mask, val) \  argument
639 				~(mask)) | (val))
640 #define snd_hdac_stream_updateb(dev, reg, mask, val) \  argument
643 				~(mask)) | (val))
647 #define snd_hdac_dsp_lock_init(dev)	mutex_init(&(dev)->dsp_mutex)
648 #define snd_hdac_dsp_lock(dev)		mutex_lock(&(dev)->dsp_mutex)
649 #define snd_hdac_dsp_unlock(dev)	mutex_unlock(&(dev)->dsp_mutex)
650 #define snd_hdac_stream_is_locked(dev)	((dev)->locked)
689 	array->elem_size = size;  in snd_array_init()
690 	array->alloc_align = align;  in snd_array_init()
695 	return array->list + idx * array->elem_size;  in snd_array_elem()
700 	return (unsigned long)(ptr - array->list) / array->elem_size;  in snd_array_index()
705 	for ((idx) = 0, (ptr) = (array)->list; (idx) < (array)->used; \