From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/sound/pci/oxygen/xonar_pcm179x.c | 88 ++++++++++++++++++++++++++++++++++++--------
1 files changed, 72 insertions(+), 16 deletions(-)
diff --git a/kernel/sound/pci/oxygen/xonar_pcm179x.c b/kernel/sound/pci/oxygen/xonar_pcm179x.c
index 24109d3..cf801a2 100644
--- a/kernel/sound/pci/oxygen/xonar_pcm179x.c
+++ b/kernel/sound/pci/oxygen/xonar_pcm179x.c
@@ -1,19 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* card driver for models with PCM1796 DACs (Xonar D2/D2X/HDAV1.3/ST/STX)
*
* Copyright (c) Clemens Ladisch <clemens@ladisch.de>
- *
- *
- * This driver is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2.
- *
- * This driver is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this driver; if not, see <http://www.gnu.org/licenses/>.
*/
/*
@@ -331,7 +320,7 @@
struct xonar_pcm179x *data = chip->model_data;
data->pcm1796_regs[0][18 - PCM1796_REG_BASE] =
- PCM1796_DMF_DISABLED | PCM1796_FMT_24_I2S | PCM1796_ATLD;
+ PCM1796_FMT_24_I2S | PCM1796_ATLD;
if (!data->broken_i2c)
data->pcm1796_regs[0][18 - PCM1796_REG_BASE] |= PCM1796_MUTE;
data->pcm1796_regs[0][19 - PCM1796_REG_BASE] =
@@ -471,7 +460,7 @@
data->generic.anti_pop_delay = 100;
data->h6 = chip->model.dac_channels_mixer > 2;
- data->has_cs2000 = 1;
+ data->has_cs2000 = true;
data->cs2000_regs[CS2000_FUN_CFG_1] = CS2000_REF_CLK_DIV_1;
data->broken_i2c = true;
@@ -513,7 +502,7 @@
xonar_init_ext_power(chip);
data->generic.anti_pop_delay = 100;
- data->has_cs2000 = 1;
+ data->has_cs2000 = true;
data->cs2000_regs[CS2000_FUN_CFG_1] = CS2000_REF_CLK_DIV_1;
oxygen_write16(chip, OXYGEN_I2S_A_FORMAT,
@@ -621,6 +610,23 @@
pcm1796_write_cached(chip, i, 20, reg);
}
+static void update_pcm1796_deemph(struct oxygen *chip)
+{
+ struct xonar_pcm179x *data = chip->model_data;
+ unsigned int i;
+ u8 reg;
+
+ reg = data->pcm1796_regs[0][18 - PCM1796_REG_BASE] & ~PCM1796_DMF_MASK;
+ if (data->current_rate == 48000)
+ reg |= PCM1796_DMF_48;
+ else if (data->current_rate == 44100)
+ reg |= PCM1796_DMF_441;
+ else if (data->current_rate == 32000)
+ reg |= PCM1796_DMF_32;
+ for (i = 0; i < data->dacs; ++i)
+ pcm1796_write_cached(chip, i, 18, reg);
+}
+
static void set_pcm1796_params(struct oxygen *chip,
struct snd_pcm_hw_params *params)
{
@@ -629,6 +635,7 @@
msleep(1);
data->current_rate = params_rate(params);
update_pcm1796_oversampling(chip);
+ update_pcm1796_deemph(chip);
}
static void update_pcm1796_volume(struct oxygen *chip)
@@ -653,9 +660,11 @@
unsigned int i;
u8 value;
- value = PCM1796_DMF_DISABLED | PCM1796_FMT_24_I2S | PCM1796_ATLD;
+ value = data->pcm1796_regs[0][18 - PCM1796_REG_BASE];
if (chip->dac_mute)
value |= PCM1796_MUTE;
+ else
+ value &= ~PCM1796_MUTE;
for (i = 0; i < data->dacs; ++i)
pcm1796_write_cached(chip, i, 18, value);
}
@@ -775,6 +784,49 @@
.info = rolloff_info,
.get = rolloff_get,
.put = rolloff_put,
+};
+
+static int deemph_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_pcm179x *data = chip->model_data;
+
+ value->value.integer.value[0] =
+ !!(data->pcm1796_regs[0][18 - PCM1796_REG_BASE] & PCM1796_DME);
+ return 0;
+}
+
+static int deemph_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_pcm179x *data = chip->model_data;
+ unsigned int i;
+ int changed;
+ u8 reg;
+
+ mutex_lock(&chip->mutex);
+ reg = data->pcm1796_regs[0][18 - PCM1796_REG_BASE];
+ if (!value->value.integer.value[0])
+ reg &= ~PCM1796_DME;
+ else
+ reg |= PCM1796_DME;
+ changed = reg != data->pcm1796_regs[0][18 - PCM1796_REG_BASE];
+ if (changed) {
+ for (i = 0; i < data->dacs; ++i)
+ pcm1796_write(chip, i, 18, reg);
+ }
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static const struct snd_kcontrol_new deemph_control = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "De-emphasis Playback Switch",
+ .info = snd_ctl_boolean_mono_info,
+ .get = deemph_get,
+ .put = deemph_put,
};
static const struct snd_kcontrol_new hdav_hdmi_control = {
@@ -1011,6 +1063,10 @@
snd_ctl_new1(&rolloff_control, chip));
if (err < 0)
return err;
+ err = snd_ctl_add(chip->card,
+ snd_ctl_new1(&deemph_control, chip));
+ if (err < 0)
+ return err;
}
return 0;
}
--
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