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ALSA: hda: Add helper macros for DSP capable devices

HDAudio drivers make heavy use of I/O operations. Declare a range of update, read and write helpers similar to those available for HDAudio legacy driver. These macros are used by AVS driver to improve code readability.

Cezary Rojewski committed 4 years ago

Commit c19bd021 parent 6b6bb5e2 files · +53 −0Browse files

Showing the changes to include (2 of 2 files). Show all

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2 files
  1. include/sound/hdaudio.h +3 −0
  2. include/sound/hdaudio_ext.h +50 −0
include/sound/hdaudio.h+3−0
@@ -9,6 +9,7 @@ · 8 unmodified lines
9#include <linux/device.h>9#include <linux/device.h>
10#include <linux/interrupt.h>10#include <linux/interrupt.h>
11#include <linux/io.h>11#include <linux/io.h>
12#include <linux/io-64-nonatomic-lo-hi.h>
12#include <linux/pm_runtime.h>13#include <linux/pm_runtime.h>
13#include <linux/timecounter.h>14#include <linux/timecounter.h>
14#include <sound/core.h>15#include <sound/core.h>
@@ -448,6 +449,8 @@ static inline u16 snd_hdac_reg_readw(struct hdac_bus *bus, void __iomem *addr) · 433 unmodified lines
448 449
449#define snd_hdac_reg_writel(bus, addr, val) writel(val, addr)450#define snd_hdac_reg_writel(bus, addr, val) writel(val, addr)
450#define snd_hdac_reg_readl(bus, addr) readl(addr)451#define snd_hdac_reg_readl(bus, addr) readl(addr)
452#define snd_hdac_reg_writeq(bus, addr, val) writeq(val, addr)
453#define snd_hdac_reg_readq(bus, addr) readq(addr)
451 454
452/*455/*
453 * macros for easy use456 * macros for easy use
include/sound/hdaudio_ext.h+50−0
@@ -2,6 +2,8 @@ · 1 unmodified line
2#ifndef __SOUND_HDAUDIO_EXT_H2#ifndef __SOUND_HDAUDIO_EXT_H
3#define __SOUND_HDAUDIO_EXT_H3#define __SOUND_HDAUDIO_EXT_H
4 4
5#include <linux/io-64-nonatomic-lo-hi.h>
6#include <linux/iopoll.h>
5#include <sound/hdaudio.h>7#include <sound/hdaudio.h>
6 8
7int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev,9int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev,
@@ -143,6 +145,54 @@ void snd_hdac_ext_bus_link_power(struct hdac_device *codec, bool enable); · 135 unmodified lines
143 writew(((readw(addr + reg) & ~(mask)) | (val)), \145 writew(((readw(addr + reg) & ~(mask)) | (val)), \
144 addr + reg)146 addr + reg)
145 147
148#define snd_hdac_adsp_writeb(chip, reg, value) \
149 snd_hdac_reg_writeb(chip, (chip)->dsp_ba + (reg), value)
150#define snd_hdac_adsp_readb(chip, reg) \
151 snd_hdac_reg_readb(chip, (chip)->dsp_ba + (reg))
152#define snd_hdac_adsp_writew(chip, reg, value) \
153 snd_hdac_reg_writew(chip, (chip)->dsp_ba + (reg), value)
154#define snd_hdac_adsp_readw(chip, reg) \
155 snd_hdac_reg_readw(chip, (chip)->dsp_ba + (reg))
156#define snd_hdac_adsp_writel(chip, reg, value) \
157 snd_hdac_reg_writel(chip, (chip)->dsp_ba + (reg), value)
158#define snd_hdac_adsp_readl(chip, reg) \
159 snd_hdac_reg_readl(chip, (chip)->dsp_ba + (reg))
160#define snd_hdac_adsp_writeq(chip, reg, value) \
161 snd_hdac_reg_writeq(chip, (chip)->dsp_ba + (reg), value)
162#define snd_hdac_adsp_readq(chip, reg) \
163 snd_hdac_reg_readq(chip, (chip)->dsp_ba + (reg))
164
165#define snd_hdac_adsp_updateb(chip, reg, mask, val) \
166 snd_hdac_adsp_writeb(chip, reg, \
167 (snd_hdac_adsp_readb(chip, reg) & ~(mask)) | (val))
168#define snd_hdac_adsp_updatew(chip, reg, mask, val) \
169 snd_hdac_adsp_writew(chip, reg, \
170 (snd_hdac_adsp_readw(chip, reg) & ~(mask)) | (val))
171#define snd_hdac_adsp_updatel(chip, reg, mask, val) \
172 snd_hdac_adsp_writel(chip, reg, \
173 (snd_hdac_adsp_readl(chip, reg) & ~(mask)) | (val))
174#define snd_hdac_adsp_updateq(chip, reg, mask, val) \
175 snd_hdac_adsp_writeq(chip, reg, \
176 (snd_hdac_adsp_readq(chip, reg) & ~(mask)) | (val))
177
178#define snd_hdac_adsp_readb_poll(chip, reg, val, cond, delay_us, timeout_us) \
179 readb_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
180 delay_us, timeout_us)
181#define snd_hdac_adsp_readw_poll(chip, reg, val, cond, delay_us, timeout_us) \
182 readw_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
183 delay_us, timeout_us)
184#define snd_hdac_adsp_readl_poll(chip, reg, val, cond, delay_us, timeout_us) \
185 readl_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
186 delay_us, timeout_us)
187#define snd_hdac_adsp_readq_poll(chip, reg, val, cond, delay_us, timeout_us) \
188 readq_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
189 delay_us, timeout_us)
190#define snd_hdac_stream_readb_poll(strm, reg, val, cond, delay_us, timeout_us) \
191 readb_poll_timeout((strm)->sd_addr + AZX_REG_ ## reg, val, cond, \
192 delay_us, timeout_us)
193#define snd_hdac_stream_readl_poll(strm, reg, val, cond, delay_us, timeout_us) \
194 readl_poll_timeout((strm)->sd_addr + AZX_REG_ ## reg, val, cond, \
195 delay_us, timeout_us)
146 196
147struct hdac_ext_device;197struct hdac_ext_device;
148 198

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