From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/sound/soc/pxa/pxa2xx-ac97.c | 72 ++++++++++++++++++-----------------
1 files changed, 37 insertions(+), 35 deletions(-)
diff --git a/kernel/sound/soc/pxa/pxa2xx-ac97.c b/kernel/sound/soc/pxa/pxa2xx-ac97.c
index 9f77965..4240fde 100644
--- a/kernel/sound/soc/pxa/pxa2xx-ac97.c
+++ b/kernel/sound/soc/pxa/pxa2xx-ac97.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/sound/pxa2xx-ac97.c -- AC97 support for the Intel PXA2xx chip.
*
* Author: Nicolas Pitre
* Created: Dec 02, 2004
* Copyright: MontaVista Software Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/init.h>
@@ -17,6 +14,7 @@
#include <linux/dmaengine.h>
#include <linux/dma/pxa-dma.h>
+#include <sound/ac97/controller.h>
#include <sound/core.h>
#include <sound/ac97_codec.h>
#include <sound/soc.h>
@@ -27,43 +25,35 @@
#include <mach/regs-ac97.h>
#include <mach/audio.h>
-static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97)
+static void pxa2xx_ac97_warm_reset(struct ac97_controller *adrv)
{
pxa2xx_ac97_try_warm_reset();
pxa2xx_ac97_finish_reset();
}
-static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97)
+static void pxa2xx_ac97_cold_reset(struct ac97_controller *adrv)
{
pxa2xx_ac97_try_cold_reset();
pxa2xx_ac97_finish_reset();
}
-static unsigned short pxa2xx_ac97_legacy_read(struct snd_ac97 *ac97,
- unsigned short reg)
+static int pxa2xx_ac97_read_actrl(struct ac97_controller *adrv, int slot,
+ unsigned short reg)
{
- int ret;
-
- ret = pxa2xx_ac97_read(ac97->num, reg);
- if (ret < 0)
- return 0;
- else
- return (unsigned short)(ret & 0xffff);
+ return pxa2xx_ac97_read(slot, reg);
}
-static void pxa2xx_ac97_legacy_write(struct snd_ac97 *ac97,
- unsigned short reg, unsigned short val)
+static int pxa2xx_ac97_write_actrl(struct ac97_controller *adrv, int slot,
+ unsigned short reg, unsigned short val)
{
- int ret;
-
- ret = pxa2xx_ac97_write(ac97->num, reg, val);
+ return pxa2xx_ac97_write(slot, reg, val);
}
-static struct snd_ac97_bus_ops pxa2xx_ac97_ops = {
- .read = pxa2xx_ac97_legacy_read,
- .write = pxa2xx_ac97_legacy_write,
+static struct ac97_controller_ops pxa2xx_ac97_ops = {
+ .read = pxa2xx_ac97_read_actrl,
+ .write = pxa2xx_ac97_write_actrl,
.warm_reset = pxa2xx_ac97_warm_reset,
.reset = pxa2xx_ac97_cold_reset,
};
@@ -167,7 +157,6 @@
static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = {
{
.name = "pxa2xx-ac97",
- .bus_control = true,
.playback = {
.stream_name = "AC97 Playback",
.channels_min = 2,
@@ -184,7 +173,6 @@
},
{
.name = "pxa2xx-ac97-aux",
- .bus_control = true,
.playback = {
.stream_name = "AC97 Aux Playback",
.channels_min = 1,
@@ -201,7 +189,6 @@
},
{
.name = "pxa2xx-ac97-mic",
- .bus_control = true,
.capture = {
.stream_name = "AC97 Mic Capture",
.channels_min = 1,
@@ -214,9 +201,16 @@
static const struct snd_soc_component_driver pxa_ac97_component = {
.name = "pxa-ac97",
- .ops = &pxa2xx_pcm_ops,
- .pcm_new = pxa2xx_soc_pcm_new,
- .pcm_free = pxa2xx_pcm_free_dma_buffers,
+ .pcm_construct = pxa2xx_soc_pcm_new,
+ .pcm_destruct = pxa2xx_soc_pcm_free,
+ .open = pxa2xx_soc_pcm_open,
+ .close = pxa2xx_soc_pcm_close,
+ .hw_params = pxa2xx_soc_pcm_hw_params,
+ .hw_free = pxa2xx_soc_pcm_hw_free,
+ .prepare = pxa2xx_soc_pcm_prepare,
+ .trigger = pxa2xx_soc_pcm_trigger,
+ .pointer = pxa2xx_soc_pcm_pointer,
+ .mmap = pxa2xx_soc_pcm_mmap,
};
#ifdef CONFIG_OF
@@ -233,6 +227,9 @@
static int pxa2xx_ac97_dev_probe(struct platform_device *pdev)
{
int ret;
+ struct ac97_controller *ctrl;
+ pxa2xx_audio_ops_t *pdata = pdev->dev.platform_data;
+ void **codecs_pdata;
if (pdev->id != -1) {
dev_err(&pdev->dev, "PXA2xx has only one AC97 port.\n");
@@ -245,22 +242,27 @@
return ret;
}
- ret = snd_soc_set_ac97_ops(&pxa2xx_ac97_ops);
- if (ret != 0)
- return ret;
+ codecs_pdata = pdata ? pdata->codec_pdata : NULL;
+ ctrl = snd_ac97_controller_register(&pxa2xx_ac97_ops, &pdev->dev,
+ AC97_SLOTS_AVAILABLE_ALL,
+ codecs_pdata);
+ if (IS_ERR(ctrl))
+ return PTR_ERR(ctrl);
+ platform_set_drvdata(pdev, ctrl);
/* Punt most of the init to the SoC probe; we may need the machine
* driver to do interesting things with the clocking to get us up
* and running.
*/
- return snd_soc_register_component(&pdev->dev, &pxa_ac97_component,
+ return devm_snd_soc_register_component(&pdev->dev, &pxa_ac97_component,
pxa_ac97_dai_driver, ARRAY_SIZE(pxa_ac97_dai_driver));
}
static int pxa2xx_ac97_dev_remove(struct platform_device *pdev)
{
- snd_soc_unregister_component(&pdev->dev);
- snd_soc_set_ac97_ops(NULL);
+ struct ac97_controller *ctrl = platform_get_drvdata(pdev);
+
+ snd_ac97_controller_unregister(ctrl);
pxa2xx_ac97_hw_remove(pdev);
return 0;
}
--
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