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
163  * snd_hdac_read_parm - read a codec parameter
168  * Returns -1 for error.  If you need to distinguish the error more
176 	return _snd_hdac_read_parm(codec, nid, parm, &val) < 0 ? -1 : val;  in snd_hdac_read_parm()
189 	atomic_inc(&codec->in_pm);  in snd_hdac_enter_pm()
195 	atomic_dec(&codec->in_pm);  in snd_hdac_leave_pm()
200 	return atomic_read(&codec->in_pm);  in snd_hdac_is_in_pm()
205 	return !pm_runtime_suspended(&codec->dev);  in snd_hdac_is_power_on()
220  * HD-audio codec base driver
226 	int (*match)(struct hdac_device *dev, struct hdac_driver *drv);  member
249 	/* notify of codec link power-up/down */
278  * HD-audio bus base driver
311 	/* link caddr -> codec */
417 unsigned int snd_hdac_aligned_read(void __iomem *addr, unsigned int mask);
419 			    unsigned int mask);
420 #define snd_hdac_aligned_mmio(bus)	(bus)->aligned_mmio
423 #define snd_hdac_aligned_read(addr, mask)	0  argument
424 #define snd_hdac_aligned_write(val, addr, mask) do {} while (0)  argument
466 	snd_hdac_reg_writeb(chip, (chip)->remap_addr + (reg), value)
468 	snd_hdac_reg_readb(chip, (chip)->remap_addr + (reg))
470 	snd_hdac_reg_writew(chip, (chip)->remap_addr + (reg), value)
472 	snd_hdac_reg_readw(chip, (chip)->remap_addr + (reg))
474 	snd_hdac_reg_writel(chip, (chip)->remap_addr + (reg), value)
476 	snd_hdac_reg_readl(chip, (chip)->remap_addr + (reg))
493 #define snd_hdac_chip_updatel(chip, reg, mask, val) \  argument
495 			     (snd_hdac_chip_readl(chip, reg) & ~(mask)) | (val))
496 #define snd_hdac_chip_updatew(chip, reg, mask, val) \  argument
498 			     (snd_hdac_chip_readw(chip, reg) & ~(mask)) | (val))
499 #define snd_hdac_chip_updateb(chip, reg, mask, val) \  argument
501 			     (snd_hdac_chip_readb(chip, reg) & ~(mask)) | (val))
504 #define snd_hdac_updatel(addr, reg, mask, val)		\  argument
505 	writel(((readl(addr + reg) & ~(mask)) | (val)), addr + reg)
507 #define snd_hdac_updatew(addr, reg, mask, val)		\  argument
508 	writew(((readw(addr + reg) & ~(mask)) | (val)), addr + reg)
511  * HD-audio stream
524 	void __iomem *sd_addr;	/* stream descriptor pointer */
526 	void __iomem *spib_addr; /* software position in buffers stream pointer */
527 	void __iomem *fifo_addr; /* software position Max fifos stream pointer */
533 	u32 sd_int_sta_mask;	/* stream int status mask */
543 	unsigned char stream_tag;	/* assigned stream */
544 	unsigned char index;		/* stream index */
615 	snd_hdac_reg_writel((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value)
617 	snd_hdac_reg_writew((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value)
619 	snd_hdac_reg_writeb((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value)
621 	snd_hdac_reg_readl((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
623 	snd_hdac_reg_readw((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
625 	snd_hdac_reg_readb((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
628 				 false, (dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
631 				 false, (dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
634 				 false, (dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
637 #define snd_hdac_stream_updatel(dev, reg, mask, val) \  argument
640 				~(mask)) | (val))
641 #define snd_hdac_stream_updatew(dev, reg, mask, val) \  argument
644 				~(mask)) | (val))
645 #define snd_hdac_stream_updateb(dev, reg, mask, val) \  argument
648 				~(mask)) | (val))
652 #define snd_hdac_dsp_lock_init(dev)	mutex_init(&(dev)->dsp_mutex)
653 #define snd_hdac_dsp_lock(dev)		mutex_lock(&(dev)->dsp_mutex)
654 #define snd_hdac_dsp_unlock(dev)	mutex_unlock(&(dev)->dsp_mutex)
655 #define snd_hdac_stream_is_locked(dev)	((dev)->locked)
694 	array->elem_size = size;  in snd_array_init()
695 	array->alloc_align = align;  in snd_array_init()
700 	return array->list + idx * array->elem_size;  in snd_array_elem()
705 	return (unsigned long)(ptr - array->list) / array->elem_size;  in snd_array_index()
710 	for ((idx) = 0, (ptr) = (array)->list; (idx) < (array)->used; \