linux-kernel - [PATCH 31/48] ASoC: pxa: use pdev resource for FIFO regs

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Message-Id: <20220419163810.2118169-32-arnd@kernel.org>
Date:   Tue, 19 Apr 2022 18:37:53 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     robert.jarzmik@...e.fr, linux-arm-kernel@...ts.infradead.org
Cc:     Arnd Bergmann <arnd@...db.de>, Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Philipp Zabel <philipp.zabel@...il.com>,
        Lubomir Rintel <lkundrak@...sk>,
        Paul Parsons <lost.distance@...oo.com>,
        Tomas Cech <sleep_walker@...e.com>,
        Sergey Lapin <slapin@...fans.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        Helge Deller <deller@....de>, Mark Brown <broonie@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-ide@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-input@...r.kernel.org,
        patches@...nsource.cirrus.com, linux-leds@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-mtd@...ts.infradead.org,
        linux-rtc@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        alsa-devel@...a-project.org
Subject: [PATCH 31/48] ASoC: pxa: use pdev resource for FIFO regs

From: Arnd Bergmann <arnd@...db.de>

The driver currently takes the hardwired FIFO address from
a header file that we want to eliminate. Change it to use
the mmio resource instead and stop including the here.

Acked-by: Mark Brown <broonie@...nel.org>
Cc: alsa-devel@...a-project.org
Acked-by: Robert Jarzmik <robert.jarzmik@...e.fr>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 sound/soc/pxa/pxa2xx-ac97.c | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/sound/soc/pxa/pxa2xx-ac97.c b/sound/soc/pxa/pxa2xx-ac97.c
index 9443c1390d2f..809ea34736ed 100644
--- a/sound/soc/pxa/pxa2xx-ac97.c
+++ b/sound/soc/pxa/pxa2xx-ac97.c
@@ -21,10 +21,12 @@
 #include <sound/pxa2xx-lib.h>
 #include <sound/dmaengine_pcm.h>
 
-#include <mach/pxa-regs.h>
-#include <mach/regs-ac97.h>
 #include <linux/platform_data/asoc-pxa.h>
 
+#define PCDR	0x0040  /* PCM FIFO Data Register */
+#define MODR	0x0140  /* Modem FIFO Data Register */
+#define MCDR	0x0060  /* Mic-in FIFO Data Register */
+
 static void pxa2xx_ac97_warm_reset(struct ac97_controller *adrv)
 {
 	pxa2xx_ac97_try_warm_reset();
@@ -59,35 +61,30 @@ static struct ac97_controller_ops pxa2xx_ac97_ops = {
 };
 
 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_in = {
-	.addr		= __PREG(PCDR),
 	.addr_width	= DMA_SLAVE_BUSWIDTH_4_BYTES,
 	.chan_name	= "pcm_pcm_stereo_in",
 	.maxburst	= 32,
 };
 
 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_out = {
-	.addr		= __PREG(PCDR),
 	.addr_width	= DMA_SLAVE_BUSWIDTH_4_BYTES,
 	.chan_name	= "pcm_pcm_stereo_out",
 	.maxburst	= 32,
 };
 
 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_out = {
-	.addr		= __PREG(MODR),
 	.addr_width	= DMA_SLAVE_BUSWIDTH_2_BYTES,
 	.chan_name	= "pcm_aux_mono_out",
 	.maxburst	= 16,
 };
 
 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_in = {
-	.addr		= __PREG(MODR),
 	.addr_width	= DMA_SLAVE_BUSWIDTH_2_BYTES,
 	.chan_name	= "pcm_aux_mono_in",
 	.maxburst	= 16,
 };
 
 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_mic_mono_in = {
-	.addr		= __PREG(MCDR),
 	.addr_width	= DMA_SLAVE_BUSWIDTH_2_BYTES,
 	.chan_name	= "pcm_aux_mic_mono",
 	.maxburst	= 16,
@@ -226,6 +223,7 @@ 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;
+	struct resource *regs;
 	void **codecs_pdata;
 
 	if (pdev->id != -1) {
@@ -233,6 +231,16 @@ static int pxa2xx_ac97_dev_probe(struct platform_device *pdev)
 		return -ENXIO;
 	}
 
+	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!regs)
+		return -ENXIO;
+
+	pxa2xx_ac97_pcm_stereo_in.addr = regs->start + PCDR;
+	pxa2xx_ac97_pcm_stereo_out.addr = regs->start + PCDR;
+	pxa2xx_ac97_pcm_aux_mono_out.addr = regs->start + MODR;
+	pxa2xx_ac97_pcm_aux_mono_in.addr = regs->start + MODR;
+	pxa2xx_ac97_pcm_mic_mono_in.addr = regs->start + MCDR;
+
 	ret = pxa2xx_ac97_hw_probe(pdev);
 	if (ret) {
 		dev_err(&pdev->dev, "PXA2xx AC97 hw probe error (%d)\n", ret);
-- 
2.29.2