1 /* SPDX-License-Identifier: GPL-2.0 */
3  * HD-audio core stuff
12 #include <linux/io-64-nonatomic-lo-hi.h>
49  * HD-audio codec base device
55 	unsigned int addr;		/* codec address */  member
121 			 const char *name, unsigned int addr);
161  * snd_hdac_read_parm - read a codec parameter
166  * Returns -1 for error.  If you need to distinguish the error more
174 	return _snd_hdac_read_parm(codec, nid, parm, &val) < 0 ? -1 : val;  in snd_hdac_read_parm()
187 	atomic_inc(&codec->in_pm);  in snd_hdac_enter_pm()
193 	atomic_dec(&codec->in_pm);  in snd_hdac_leave_pm()
198 	return atomic_read(&codec->in_pm);  in snd_hdac_is_in_pm()
203 	return !pm_runtime_suspended(&codec->dev);  in snd_hdac_is_power_on()
218  * HD-audio codec base driver
245 	int (*get_response)(struct hdac_bus *bus, unsigned int addr,
247 	/* notify of codec link power-up/down */
269 	dma_addr_t addr;	/* physical address of CORB/RIRB buffer */  member
276  * HD-audio bus base driver
295 	unsigned long addr;  member
309 	/* link caddr -> codec */
383 int snd_hdac_bus_exec_verb_unlocked(struct hdac_bus *bus, unsigned int addr,
390 int snd_hdac_bus_get_response(struct hdac_bus *bus, unsigned int addr,
412 unsigned int snd_hdac_aligned_read(void __iomem *addr, unsigned int mask);
413 void snd_hdac_aligned_write(unsigned int val, void __iomem *addr,
415 #define snd_hdac_aligned_mmio(bus)	(bus)->aligned_mmio
418 #define snd_hdac_aligned_read(addr, mask)	0  argument
419 #define snd_hdac_aligned_write(val, addr, mask) do {} while (0)  argument
422 static inline void snd_hdac_reg_writeb(struct hdac_bus *bus, void __iomem *addr,  in snd_hdac_reg_writeb()  argument
426 		snd_hdac_aligned_write(val, addr, 0xff);  in snd_hdac_reg_writeb()
428 		writeb(val, addr);  in snd_hdac_reg_writeb()
431 static inline void snd_hdac_reg_writew(struct hdac_bus *bus, void __iomem *addr,  in snd_hdac_reg_writew()  argument
435 		snd_hdac_aligned_write(val, addr, 0xffff);  in snd_hdac_reg_writew()
437 		writew(val, addr);  in snd_hdac_reg_writew()
440 static inline u8 snd_hdac_reg_readb(struct hdac_bus *bus, void __iomem *addr)  in snd_hdac_reg_readb()  argument
443 		snd_hdac_aligned_read(addr, 0xff) : readb(addr);  in snd_hdac_reg_readb()
446 static inline u16 snd_hdac_reg_readw(struct hdac_bus *bus, void __iomem *addr)  in snd_hdac_reg_readw()  argument
449 		snd_hdac_aligned_read(addr, 0xffff) : readw(addr);  in snd_hdac_reg_readw()
452 #define snd_hdac_reg_writel(bus, addr, val)	writel(val, addr)  argument
453 #define snd_hdac_reg_readl(bus, addr)	readl(addr)  argument
454 #define snd_hdac_reg_writeq(bus, addr, val)	writeq(val, addr)  argument
455 #define snd_hdac_reg_readq(bus, addr)		readq(addr)  argument
460 #define _snd_hdac_chip_writeb(chip, reg, value) \  argument
461 	snd_hdac_reg_writeb(chip, (chip)->remap_addr + (reg), value)
462 #define _snd_hdac_chip_readb(chip, reg) \  argument
463 	snd_hdac_reg_readb(chip, (chip)->remap_addr + (reg))
464 #define _snd_hdac_chip_writew(chip, reg, value) \  argument
465 	snd_hdac_reg_writew(chip, (chip)->remap_addr + (reg), value)
466 #define _snd_hdac_chip_readw(chip, reg) \  argument
467 	snd_hdac_reg_readw(chip, (chip)->remap_addr + (reg))
468 #define _snd_hdac_chip_writel(chip, reg, value) \  argument
469 	snd_hdac_reg_writel(chip, (chip)->remap_addr + (reg), value)
470 #define _snd_hdac_chip_readl(chip, reg) \  argument
471 	snd_hdac_reg_readl(chip, (chip)->remap_addr + (reg))
474 #define snd_hdac_chip_writel(chip, reg, value) \  argument
475 	_snd_hdac_chip_writel(chip, AZX_REG_ ## reg, value)
476 #define snd_hdac_chip_writew(chip, reg, value) \  argument
477 	_snd_hdac_chip_writew(chip, AZX_REG_ ## reg, value)
478 #define snd_hdac_chip_writeb(chip, reg, value) \  argument
479 	_snd_hdac_chip_writeb(chip, AZX_REG_ ## reg, value)
480 #define snd_hdac_chip_readl(chip, reg) \  argument
481 	_snd_hdac_chip_readl(chip, AZX_REG_ ## reg)
482 #define snd_hdac_chip_readw(chip, reg) \  argument
483 	_snd_hdac_chip_readw(chip, AZX_REG_ ## reg)
484 #define snd_hdac_chip_readb(chip, reg) \  argument
485 	_snd_hdac_chip_readb(chip, AZX_REG_ ## reg)
488 #define snd_hdac_chip_updatel(chip, reg, mask, val) \  argument
489 	snd_hdac_chip_writel(chip, reg, \
490 			     (snd_hdac_chip_readl(chip, reg) & ~(mask)) | (val))
491 #define snd_hdac_chip_updatew(chip, reg, mask, val) \  argument
492 	snd_hdac_chip_writew(chip, reg, \
493 			     (snd_hdac_chip_readw(chip, reg) & ~(mask)) | (val))
494 #define snd_hdac_chip_updateb(chip, reg, mask, val) \  argument
495 	snd_hdac_chip_writeb(chip, reg, \
496 			     (snd_hdac_chip_readb(chip, reg) & ~(mask)) | (val))
499  * HD-audio stream
570 				  unsigned int streams, unsigned int reg);
582 #define snd_hdac_stream_writel(dev, reg, value) \  argument
583 	snd_hdac_reg_writel((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value)
584 #define snd_hdac_stream_writew(dev, reg, value) \  argument
585 	snd_hdac_reg_writew((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value)
586 #define snd_hdac_stream_writeb(dev, reg, value) \  argument
587 	snd_hdac_reg_writeb((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value)
588 #define snd_hdac_stream_readl(dev, reg) \  argument
589 	snd_hdac_reg_readl((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
590 #define snd_hdac_stream_readw(dev, reg) \  argument
591 	snd_hdac_reg_readw((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
592 #define snd_hdac_stream_readb(dev, reg) \  argument
593 	snd_hdac_reg_readb((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
594 #define snd_hdac_stream_readb_poll(dev, reg, val, cond, delay_us, timeout_us) \  argument
596 				 false, (dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
597 #define snd_hdac_stream_readl_poll(dev, reg, val, cond, delay_us, timeout_us) \  argument
599 				 false, (dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg)
602 #define snd_hdac_stream_updatel(dev, reg, mask, val) \  argument
603 	snd_hdac_stream_writel(dev, reg, \
604 			       (snd_hdac_stream_readl(dev, reg) & \
606 #define snd_hdac_stream_updatew(dev, reg, mask, val) \  argument
607 	snd_hdac_stream_writew(dev, reg, \
608 			       (snd_hdac_stream_readw(dev, reg) & \
610 #define snd_hdac_stream_updateb(dev, reg, mask, val) \  argument
611 	snd_hdac_stream_writeb(dev, reg, \
612 			       (snd_hdac_stream_readb(dev, reg) & \
617 #define snd_hdac_dsp_lock_init(dev)	mutex_init(&(dev)->dsp_mutex)
618 #define snd_hdac_dsp_lock(dev)		mutex_lock(&(dev)->dsp_mutex)
619 #define snd_hdac_dsp_unlock(dev)	mutex_unlock(&(dev)->dsp_mutex)
620 #define snd_hdac_stream_is_locked(dev)	((dev)->locked)
659 	array->elem_size = size;  in snd_array_init()
660 	array->alloc_align = align;  in snd_array_init()
665 	return array->list + idx * array->elem_size;  in snd_array_elem()
670 	return (unsigned long)(ptr - array->list) / array->elem_size;  in snd_array_index()
675 	for ((idx) = 0, (ptr) = (array)->list; (idx) < (array)->used; \