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8299d1f057
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
86 lines
2.6 KiB
Diff
86 lines
2.6 KiB
Diff
From 3dbfcfbd3f9a0cae3bb426954ad5fd7d193507cc Mon Sep 17 00:00:00 2001
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From: James Hughes <james.hughes@raspberrypi.org>
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Date: Tue, 16 Jul 2019 12:18:21 +0100
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Subject: [PATCH] Add HDMI1 facility to the driver.
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For generic ALSA, all you need is the bcm2835.h change, but
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have also added structures for IEC958 HDMI. Not sure how to
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test those.
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---
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.../vc04_services/bcm2835-audio/bcm2835.c | 29 ++++++++++++++++---
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.../vc04_services/bcm2835-audio/bcm2835.h | 4 ++-
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2 files changed, 28 insertions(+), 5 deletions(-)
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--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
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+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
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@@ -79,7 +79,11 @@ static int bcm2835_audio_alsa_newpcm(str
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if (err)
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return err;
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- err = snd_bcm2835_new_pcm(chip, "bcm2835 IEC958/HDMI", 1, 0, 1, true);
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+ err = snd_bcm2835_new_pcm(chip, "bcm2835 IEC958/HDMI", 1, AUDIO_DEST_HDMI0, 1, true);
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+ if (err)
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+ return err;
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+
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+ err = snd_bcm2835_new_pcm(chip, "bcm2835 IEC958/HDMI1", 2, AUDIO_DEST_HDMI1, 1, true);
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if (err)
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return err;
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@@ -106,7 +110,7 @@ static struct bcm2835_audio_driver bcm28
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.newctl = snd_bcm2835_new_ctl,
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};
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-static struct bcm2835_audio_driver bcm2835_audio_hdmi = {
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+static struct bcm2835_audio_driver bcm2835_audio_hdmi0 = {
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.driver = {
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.name = "bcm2835_hdmi",
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.owner = THIS_MODULE,
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@@ -116,7 +120,20 @@ static struct bcm2835_audio_driver bcm28
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.minchannels = 1,
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.newpcm = bcm2835_audio_simple_newpcm,
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.newctl = snd_bcm2835_new_hdmi_ctl,
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- .route = AUDIO_DEST_HDMI
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+ .route = AUDIO_DEST_HDMI0
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+};
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+
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+static struct bcm2835_audio_driver bcm2835_audio_hdmi1 = {
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+ .driver = {
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+ .name = "bcm2835_hdmi",
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+ .owner = THIS_MODULE,
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+ },
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+ .shortname = "bcm2835 HDMI 1",
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+ .longname = "bcm2835 HDMI 1",
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+ .minchannels = 1,
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+ .newpcm = bcm2835_audio_simple_newpcm,
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+ .newctl = snd_bcm2835_new_hdmi_ctl,
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+ .route = AUDIO_DEST_HDMI1
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};
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static struct bcm2835_audio_driver bcm2835_audio_headphones = {
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@@ -143,7 +160,11 @@ static struct bcm2835_audio_drivers chil
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.is_enabled = &enable_compat_alsa,
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},
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{
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- .audio_driver = &bcm2835_audio_hdmi,
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+ .audio_driver = &bcm2835_audio_hdmi0,
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+ .is_enabled = &enable_hdmi,
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+ },
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+ {
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+ .audio_driver = &bcm2835_audio_hdmi1,
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.is_enabled = &enable_hdmi,
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},
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{
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--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
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+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
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@@ -33,7 +33,9 @@ enum {
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enum snd_bcm2835_route {
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AUDIO_DEST_AUTO = 0,
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AUDIO_DEST_HEADPHONES = 1,
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- AUDIO_DEST_HDMI = 2,
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+ AUDIO_DEST_HDMI = 2, // for backwards compatibility.
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+ AUDIO_DEST_HDMI0 = 2,
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+ AUDIO_DEST_HDMI1 = 3,
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AUDIO_DEST_MAX,
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};
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