sound: virtuoso: split virtuoso.c
The virtuoso.c file has become rather big. This patch splits it up so
that only code for very similar card models is in one file.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/oxygen/xonar_lib.c b/sound/pci/oxygen/xonar_lib.c
new file mode 100644
index 0000000..b3ff713
--- /dev/null
+++ b/sound/pci/oxygen/xonar_lib.c
@@ -0,0 +1,132 @@
+/*
+ * helper functions for Asus Xonar cards
+ *
+ * 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/>.
+ */
+
+#include <linux/delay.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include "xonar.h"
+
+
+#define GPIO_CS53x1_M_MASK 0x000c
+#define GPIO_CS53x1_M_SINGLE 0x0000
+#define GPIO_CS53x1_M_DOUBLE 0x0004
+#define GPIO_CS53x1_M_QUAD 0x0008
+
+
+void xonar_enable_output(struct oxygen *chip)
+{
+ struct xonar_generic *data = chip->model_data;
+
+ oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, data->output_enable_bit);
+ msleep(data->anti_pop_delay);
+ oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, data->output_enable_bit);
+}
+
+void xonar_disable_output(struct oxygen *chip)
+{
+ struct xonar_generic *data = chip->model_data;
+
+ oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, data->output_enable_bit);
+}
+
+static void xonar_ext_power_gpio_changed(struct oxygen *chip)
+{
+ struct xonar_generic *data = chip->model_data;
+ u8 has_power;
+
+ has_power = !!(oxygen_read8(chip, data->ext_power_reg)
+ & data->ext_power_bit);
+ if (has_power != data->has_power) {
+ data->has_power = has_power;
+ if (has_power) {
+ snd_printk(KERN_NOTICE "power restored\n");
+ } else {
+ snd_printk(KERN_CRIT
+ "Hey! Don't unplug the power cable!\n");
+ /* TODO: stop PCMs */
+ }
+ }
+}
+
+void xonar_init_ext_power(struct oxygen *chip)
+{
+ struct xonar_generic *data = chip->model_data;
+
+ oxygen_set_bits8(chip, data->ext_power_int_reg,
+ data->ext_power_bit);
+ chip->interrupt_mask |= OXYGEN_INT_GPIO;
+ chip->model.gpio_changed = xonar_ext_power_gpio_changed;
+ data->has_power = !!(oxygen_read8(chip, data->ext_power_reg)
+ & data->ext_power_bit);
+}
+
+void xonar_init_cs53x1(struct oxygen *chip)
+{
+ oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_CS53x1_M_MASK);
+ oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
+ GPIO_CS53x1_M_SINGLE, GPIO_CS53x1_M_MASK);
+}
+
+void xonar_set_cs53x1_params(struct oxygen *chip,
+ struct snd_pcm_hw_params *params)
+{
+ unsigned int value;
+
+ if (params_rate(params) <= 54000)
+ value = GPIO_CS53x1_M_SINGLE;
+ else if (params_rate(params) <= 108000)
+ value = GPIO_CS53x1_M_DOUBLE;
+ else
+ value = GPIO_CS53x1_M_QUAD;
+ oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
+ value, GPIO_CS53x1_M_MASK);
+}
+
+int xonar_gpio_bit_switch_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ u16 bit = ctl->private_value;
+
+ value->value.integer.value[0] =
+ !!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & bit);
+ return 0;
+}
+
+int xonar_gpio_bit_switch_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ u16 bit = ctl->private_value;
+ u16 old_bits, new_bits;
+ int changed;
+
+ spin_lock_irq(&chip->reg_lock);
+ old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
+ if (value->value.integer.value[0])
+ new_bits = old_bits | bit;
+ else
+ new_bits = old_bits & ~bit;
+ changed = new_bits != old_bits;
+ if (changed)
+ oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits);
+ spin_unlock_irq(&chip->reg_lock);
+ return changed;
+}