[people/ms/linux.git] / sound / pci / oxygen / xonar_dg.c

/*
 * card driver for the Xonar DG/DGX
 *
 * 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/>.
 */

/*
 * Xonar DG/DGX
 * ------------
 *
 * CMI8788:
 *
 *   SPI 0 -> CS4245
 *
 *   I²S 1 -> CS4245
 *   I²S 2 -> CS4361 (center/LFE)
 *   I²S 3 -> CS4361 (surround)
 *   I²S 4 -> CS4361 (front)
 *
 *   GPIO 3 <- ?
 *   GPIO 4 <- headphone detect
 *   GPIO 5 -> route input jack to line-in (0) or mic-in (1)
 *   GPIO 6 -> route input jack to line-in (0) or mic-in (1)
 *   GPIO 7 -> enable rear headphone amp
 *   GPIO 8 -> enable output to speakers
 *
 * CS4245:
 *
 *   input 1 <- aux
 *   input 2 <- front mic
 *   input 4 <- line/mic
 *   DAC out -> headphones
 *   aux out -> front panel headphones
 */

#include <linux/pci.h>
#include <linux/delay.h>
#include <sound/control.h>
#include <sound/core.h>
#include <sound/info.h>
#include <sound/pcm.h>
#include <sound/tlv.h>
#include "oxygen.h"
#include "xonar_dg.h"
#include "cs4245.h"

#define GPIO_MAGIC		0x0008
#define GPIO_HP_DETECT		0x0010
#define GPIO_INPUT_ROUTE	0x0060
#define GPIO_HP_REAR		0x0080
#define GPIO_OUTPUT_ENABLE	0x0100

struct dg {
	unsigned int output_sel;
	s8 input_vol[4][2];
	unsigned int input_sel;
	u8 hp_vol_att;
	u8 cs4245_regs[0x11];
};

static void cs4245_write(struct oxygen *chip, unsigned int reg, u8 value)
{
	struct dg *data = chip->model_data;

	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
			 OXYGEN_SPI_DATA_LENGTH_3 |
			 OXYGEN_SPI_CLOCK_1280 |
			 (0 << OXYGEN_SPI_CODEC_SHIFT) |
			 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
			 CS4245_SPI_ADDRESS |
			 CS4245_SPI_WRITE |
			 (reg << 8) | value);
	data->cs4245_regs[reg] = value;
}

static void cs4245_write_cached(struct oxygen *chip, unsigned int reg, u8 value)
{
	struct dg *data = chip->model_data;

	if (value != data->cs4245_regs[reg])
		cs4245_write(chip, reg, value);
}

static void cs4245_registers_init(struct oxygen *chip)
{
	struct dg *data = chip->model_data;

	cs4245_write(chip, CS4245_POWER_CTRL, CS4245_PDN);
	cs4245_write(chip, CS4245_DAC_CTRL_1,
		     data->cs4245_regs[CS4245_DAC_CTRL_1]);
	cs4245_write(chip, CS4245_ADC_CTRL,
		     data->cs4245_regs[CS4245_ADC_CTRL]);
	cs4245_write(chip, CS4245_SIGNAL_SEL,
		     data->cs4245_regs[CS4245_SIGNAL_SEL]);
	cs4245_write(chip, CS4245_PGA_B_CTRL,
		     data->cs4245_regs[CS4245_PGA_B_CTRL]);
	cs4245_write(chip, CS4245_PGA_A_CTRL,
		     data->cs4245_regs[CS4245_PGA_A_CTRL]);
	cs4245_write(chip, CS4245_ANALOG_IN,
		     data->cs4245_regs[CS4245_ANALOG_IN]);
	cs4245_write(chip, CS4245_DAC_A_CTRL,
		     data->cs4245_regs[CS4245_DAC_A_CTRL]);
	cs4245_write(chip, CS4245_DAC_B_CTRL,
		     data->cs4245_regs[CS4245_DAC_B_CTRL]);
	cs4245_write(chip, CS4245_DAC_CTRL_2,
		     CS4245_DAC_SOFT | CS4245_DAC_ZERO | CS4245_INVERT_DAC);
	cs4245_write(chip, CS4245_INT_MASK, 0);
	cs4245_write(chip, CS4245_POWER_CTRL, 0);
}

static void cs4245_init(struct oxygen *chip)
{
	struct dg *data = chip->model_data;

	data->cs4245_regs[CS4245_DAC_CTRL_1] =
		CS4245_DAC_FM_SINGLE | CS4245_DAC_DIF_LJUST;
	data->cs4245_regs[CS4245_ADC_CTRL] =
		CS4245_ADC_FM_SINGLE | CS4245_ADC_DIF_LJUST;
	data->cs4245_regs[CS4245_SIGNAL_SEL] =
		CS4245_A_OUT_SEL_HIZ | CS4245_ASYNCH;
	data->cs4245_regs[CS4245_PGA_B_CTRL] = 0;
	data->cs4245_regs[CS4245_PGA_A_CTRL] = 0;
	data->cs4245_regs[CS4245_ANALOG_IN] =
		CS4245_PGA_SOFT | CS4245_PGA_ZERO | CS4245_SEL_INPUT_4;
	data->cs4245_regs[CS4245_DAC_A_CTRL] = 0;
	data->cs4245_regs[CS4245_DAC_B_CTRL] = 0;
	cs4245_registers_init(chip);
	snd_component_add(chip->card, "CS4245");
}

static void dg_output_enable(struct oxygen *chip)
{
	msleep(2500);
	oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
}

static void dg_init(struct oxygen *chip)
{
	struct dg *data = chip->model_data;

	data->output_sel = 0;
	data->input_sel = 3;
	data->hp_vol_att = 2 * 16;

	cs4245_init(chip);

	oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL,
			    GPIO_MAGIC | GPIO_HP_DETECT);
	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
			  GPIO_INPUT_ROUTE | GPIO_HP_REAR | GPIO_OUTPUT_ENABLE);
	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA,
			    GPIO_INPUT_ROUTE | GPIO_HP_REAR);
	dg_output_enable(chip);
}

static void dg_cleanup(struct oxygen *chip)
{
	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
}

static void dg_suspend(struct oxygen *chip)
{
	dg_cleanup(chip);
}

static void dg_resume(struct oxygen *chip)
{
	cs4245_registers_init(chip);
	dg_output_enable(chip);
}

static void set_cs4245_dac_params(struct oxygen *chip,
				  struct snd_pcm_hw_params *params)
{
	struct dg *data = chip->model_data;
	u8 value;

	value = data->cs4245_regs[CS4245_DAC_CTRL_1] & ~CS4245_DAC_FM_MASK;
	if (params_rate(params) <= 50000)
		value |= CS4245_DAC_FM_SINGLE;
	else if (params_rate(params) <= 100000)
		value |= CS4245_DAC_FM_DOUBLE;
	else
		value |= CS4245_DAC_FM_QUAD;
	cs4245_write_cached(chip, CS4245_DAC_CTRL_1, value);
}

static void set_cs4245_adc_params(struct oxygen *chip,
				  struct snd_pcm_hw_params *params)
{
	struct dg *data = chip->model_data;
	u8 value;

	value = data->cs4245_regs[CS4245_ADC_CTRL] & ~CS4245_ADC_FM_MASK;
	if (params_rate(params) <= 50000)
		value |= CS4245_ADC_FM_SINGLE;
	else if (params_rate(params) <= 100000)
		value |= CS4245_ADC_FM_DOUBLE;
	else
		value |= CS4245_ADC_FM_QUAD;
	cs4245_write_cached(chip, CS4245_ADC_CTRL, value);
}

static inline unsigned int shift_bits(unsigned int value,
				      unsigned int shift_from,
				      unsigned int shift_to,
				      unsigned int mask)
{
	if (shift_from < shift_to)
		return (value << (shift_to - shift_from)) & mask;
	else
		return (value >> (shift_from - shift_to)) & mask;
}

static unsigned int adjust_dg_dac_routing(struct oxygen *chip,
					  unsigned int play_routing)
{
	return (play_routing & OXYGEN_PLAY_DAC0_SOURCE_MASK) |
	       shift_bits(play_routing,
			  OXYGEN_PLAY_DAC2_SOURCE_SHIFT,
			  OXYGEN_PLAY_DAC1_SOURCE_SHIFT,
			  OXYGEN_PLAY_DAC1_SOURCE_MASK) |
	       shift_bits(play_routing,
			  OXYGEN_PLAY_DAC1_SOURCE_SHIFT,
			  OXYGEN_PLAY_DAC2_SOURCE_SHIFT,
			  OXYGEN_PLAY_DAC2_SOURCE_MASK) |
	       shift_bits(play_routing,
			  OXYGEN_PLAY_DAC0_SOURCE_SHIFT,
			  OXYGEN_PLAY_DAC3_SOURCE_SHIFT,
			  OXYGEN_PLAY_DAC3_SOURCE_MASK);
}

static int output_switch_info(struct snd_kcontrol *ctl,
			      struct snd_ctl_elem_info *info)
{
	static const char *const names[3] = {
		"Speakers", "Headphones", "FP Headphones"
	};

	return snd_ctl_enum_info(info, 1, 3, names);
}

static int output_switch_get(struct snd_kcontrol *ctl,
			     struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;

	mutex_lock(&chip->mutex);
	value->value.enumerated.item[0] = data->output_sel;
	mutex_unlock(&chip->mutex);
	return 0;
}

static int output_switch_put(struct snd_kcontrol *ctl,
			     struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;
	u8 reg;
	int changed;

	if (value->value.enumerated.item[0] > 2)
		return -EINVAL;

	mutex_lock(&chip->mutex);
	changed = value->value.enumerated.item[0] != data->output_sel;
	if (changed) {
		data->output_sel = value->value.enumerated.item[0];

		reg = data->cs4245_regs[CS4245_SIGNAL_SEL] &
						~CS4245_A_OUT_SEL_MASK;
		reg |= data->output_sel == 2 ?
				CS4245_A_OUT_SEL_DAC : CS4245_A_OUT_SEL_HIZ;
		cs4245_write_cached(chip, CS4245_SIGNAL_SEL, reg);

		cs4245_write_cached(chip, CS4245_DAC_A_CTRL,
				    data->output_sel ? data->hp_vol_att : 0);
		cs4245_write_cached(chip, CS4245_DAC_B_CTRL,
				    data->output_sel ? data->hp_vol_att : 0);

		oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
				      data->output_sel == 1 ? GPIO_HP_REAR : 0,
				      GPIO_HP_REAR);
	}
	mutex_unlock(&chip->mutex);
	return changed;
}

static int hp_volume_offset_info(struct snd_kcontrol *ctl,
				 struct snd_ctl_elem_info *info)
{
	static const char *const names[3] = {
		"< 64 ohms", "64-150 ohms", "150-300 ohms"
	};

	return snd_ctl_enum_info(info, 1, 3, names);
}

static int hp_volume_offset_get(struct snd_kcontrol *ctl,
				struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;

	mutex_lock(&chip->mutex);
	if (data->hp_vol_att > 2 * 7)
		value->value.enumerated.item[0] = 0;
	else if (data->hp_vol_att > 0)
		value->value.enumerated.item[0] = 1;
	else
		value->value.enumerated.item[0] = 2;
	mutex_unlock(&chip->mutex);
	return 0;
}

static int hp_volume_offset_put(struct snd_kcontrol *ctl,
				struct snd_ctl_elem_value *value)
{
	static const s8 atts[3] = { 2 * 16, 2 * 7, 0 };
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;
	s8 att;
	int changed;

	if (value->value.enumerated.item[0] > 2)
		return -EINVAL;
	att = atts[value->value.enumerated.item[0]];
	mutex_lock(&chip->mutex);
	changed = att != data->hp_vol_att;
	if (changed) {
		data->hp_vol_att = att;
		if (data->output_sel) {
			cs4245_write_cached(chip, CS4245_DAC_A_CTRL, att);
			cs4245_write_cached(chip, CS4245_DAC_B_CTRL, att);
		}
	}
	mutex_unlock(&chip->mutex);
	return changed;
}

static int input_vol_info(struct snd_kcontrol *ctl,
			  struct snd_ctl_elem_info *info)
{
	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	info->count = 2;
	info->value.integer.min = 2 * -12;
	info->value.integer.max = 2 * 12;
	return 0;
}

static int input_vol_get(struct snd_kcontrol *ctl,
			 struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;
	unsigned int idx = ctl->private_value;

	mutex_lock(&chip->mutex);
	value->value.integer.value[0] = data->input_vol[idx][0];
	value->value.integer.value[1] = data->input_vol[idx][1];
	mutex_unlock(&chip->mutex);
	return 0;
}

static int input_vol_put(struct snd_kcontrol *ctl,
			 struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;
	unsigned int idx = ctl->private_value;
	int changed = 0;

	if (value->value.integer.value[0] < 2 * -12 ||
	    value->value.integer.value[0] > 2 * 12 ||
	    value->value.integer.value[1] < 2 * -12 ||
	    value->value.integer.value[1] > 2 * 12)
		return -EINVAL;
	mutex_lock(&chip->mutex);
	changed = data->input_vol[idx][0] != value->value.integer.value[0] ||
		  data->input_vol[idx][1] != value->value.integer.value[1];
	if (changed) {
		data->input_vol[idx][0] = value->value.integer.value[0];
		data->input_vol[idx][1] = value->value.integer.value[1];
		if (idx == data->input_sel) {
			cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
					    data->input_vol[idx][0]);
			cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
					    data->input_vol[idx][1]);
		}
	}
	mutex_unlock(&chip->mutex);
	return changed;
}

static DECLARE_TLV_DB_SCALE(cs4245_pga_db_scale, -1200, 50, 0);

static int input_sel_info(struct snd_kcontrol *ctl,
			  struct snd_ctl_elem_info *info)
{
	static const char *const names[4] = {
		"Mic", "Aux", "Front Mic", "Line"
	};

	return snd_ctl_enum_info(info, 1, 4, names);
}

static int input_sel_get(struct snd_kcontrol *ctl,
			 struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;

	mutex_lock(&chip->mutex);
	value->value.enumerated.item[0] = data->input_sel;
	mutex_unlock(&chip->mutex);
	return 0;
}

static int input_sel_put(struct snd_kcontrol *ctl,
			 struct snd_ctl_elem_value *value)
{
	static const u8 sel_values[4] = {
		CS4245_SEL_MIC,
		CS4245_SEL_INPUT_1,
		CS4245_SEL_INPUT_2,
		CS4245_SEL_INPUT_4
	};
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;
	int changed;

	if (value->value.enumerated.item[0] > 3)
		return -EINVAL;

	mutex_lock(&chip->mutex);
	changed = value->value.enumerated.item[0] != data->input_sel;
	if (changed) {
		data->input_sel = value->value.enumerated.item[0];

		cs4245_write(chip, CS4245_ANALOG_IN,
			     (data->cs4245_regs[CS4245_ANALOG_IN] &
							~CS4245_SEL_MASK) |
			     sel_values[data->input_sel]);

		cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
				    data->input_vol[data->input_sel][0]);
		cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
				    data->input_vol[data->input_sel][1]);

		oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
				      data->input_sel ? 0 : GPIO_INPUT_ROUTE,
				      GPIO_INPUT_ROUTE);
	}
	mutex_unlock(&chip->mutex);
	return changed;
}

static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
{
	static const char *const names[2] = { "Active", "Frozen" };

	return snd_ctl_enum_info(info, 1, 2, names);
}

static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;

	value->value.enumerated.item[0] =
		!!(data->cs4245_regs[CS4245_ADC_CTRL] & CS4245_HPF_FREEZE);
	return 0;
}

static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;
	u8 reg;
	int changed;

	mutex_lock(&chip->mutex);
	reg = data->cs4245_regs[CS4245_ADC_CTRL] & ~CS4245_HPF_FREEZE;
	if (value->value.enumerated.item[0])
		reg |= CS4245_HPF_FREEZE;
	changed = reg != data->cs4245_regs[CS4245_ADC_CTRL];
	if (changed)
		cs4245_write(chip, CS4245_ADC_CTRL, reg);
	mutex_unlock(&chip->mutex);
	return changed;
}

#define INPUT_VOLUME(xname, index) { \
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
	.name = xname, \
	.info = input_vol_info, \
	.get = input_vol_get, \
	.put = input_vol_put, \
	.tlv = { .p = cs4245_pga_db_scale }, \
	.private_value = index, \
}
static const struct snd_kcontrol_new dg_controls[] = {
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Analog Output Playback Enum",
		.info = output_switch_info,
		.get = output_switch_get,
		.put = output_switch_put,
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Headphones Impedance Playback Enum",
		.info = hp_volume_offset_info,
		.get = hp_volume_offset_get,
		.put = hp_volume_offset_put,
	},
	INPUT_VOLUME("Mic Capture Volume", 0),
	INPUT_VOLUME("Aux Capture Volume", 1),
	INPUT_VOLUME("Front Mic Capture Volume", 2),
	INPUT_VOLUME("Line Capture Volume", 3),
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Capture Source",
		.info = input_sel_info,
		.get = input_sel_get,
		.put = input_sel_put,
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "ADC High-pass Filter Capture Enum",
		.info = hpf_info,
		.get = hpf_get,
		.put = hpf_put,
	},
};

static int dg_control_filter(struct snd_kcontrol_new *template)
{
	if (!strncmp(template->name, "Master Playback ", 16))
		return 1;
	return 0;
}

static int dg_mixer_init(struct oxygen *chip)
{
	unsigned int i;
	int err;

	for (i = 0; i < ARRAY_SIZE(dg_controls); ++i) {
		err = snd_ctl_add(chip->card,
				  snd_ctl_new1(&dg_controls[i], chip));
		if (err < 0)
			return err;
	}
	return 0;
}

static void dump_cs4245_registers(struct oxygen *chip,
				  struct snd_info_buffer *buffer)
{
	struct dg *data = chip->model_data;
	unsigned int i;

	snd_iprintf(buffer, "\nCS4245:");
	for (i = 1; i <= 0x10; ++i)
		snd_iprintf(buffer, " %02x", data->cs4245_regs[i]);
	snd_iprintf(buffer, "\n");
}

struct oxygen_model model_xonar_dg = {
	.longname = "C-Media Oxygen HD Audio",
	.chip = "CMI8786",
	.init = dg_init,
	.control_filter = dg_control_filter,
	.mixer_init = dg_mixer_init,
	.cleanup = dg_cleanup,
	.suspend = dg_suspend,
	.resume = dg_resume,
	.set_dac_params = set_cs4245_dac_params,
	.set_adc_params = set_cs4245_adc_params,
	.adjust_dac_routing = adjust_dg_dac_routing,
	.dump_registers = dump_cs4245_registers,
	.model_data_size = sizeof(struct dg),
	.device_config = PLAYBACK_0_TO_I2S |
			 PLAYBACK_1_TO_SPDIF |
			 CAPTURE_0_FROM_I2S_1 |
			 CAPTURE_1_FROM_SPDIF,
	.dac_channels_pcm = 6,
	.dac_channels_mixer = 0,
	.function_flags = OXYGEN_FUNCTION_SPI,
	.dac_mclks = OXYGEN_MCLKS(256, 128, 128),
	.adc_mclks = OXYGEN_MCLKS(256, 128, 128),
	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};
Commit	Line	Data
66410bfd	1	/*
76bc7a0d	2	* card driver for the Xonar DG/DGX
66410bfd CL	3	*
	4	* Copyright (c) Clemens Ladisch <clemens@ladisch.de>
	5	*
	6	*
	7	* This driver is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License, version 2.
	9	*
	10	* This driver is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this driver; if not, see <http://www.gnu.org/licenses/>.
	17	*/
	18
	19	/*
76bc7a0d CL	20	* Xonar DG/DGX
76bc7a0d CL	21	* ------------
66410bfd CL	22	*
	23	* CMI8788:
	24	*
	25	* SPI 0 -> CS4245
	26	*
efbeb071 CL	27	* I²S 1 -> CS4245
	28	* I²S 2 -> CS4361 (center/LFE)
	29	* I²S 3 -> CS4361 (surround)
	30	* I²S 4 -> CS4361 (front)
	31	*
66410bfd CL	32	* GPIO 3 <- ?
	33	* GPIO 4 <- headphone detect
	34	* GPIO 5 -> route input jack to line-in (0) or mic-in (1)
	35	* GPIO 6 -> route input jack to line-in (0) or mic-in (1)
	36	* GPIO 7 -> enable rear headphone amp
	37	* GPIO 8 -> enable output to speakers
	38	*
	39	* CS4245:
	40	*
	41	* input 1 <- aux
	42	* input 2 <- front mic
	43	* input 4 <- line/mic
efbeb071	44	* DAC out -> headphones
66410bfd CL	45	* aux out -> front panel headphones
	46	*/
	47
	48	#include <linux/pci.h>
e92d4575	49	#include <linux/delay.h>
66410bfd CL	50	#include <sound/control.h>
	51	#include <sound/core.h>
	52	#include <sound/info.h>
	53	#include <sound/pcm.h>
	54	#include <sound/tlv.h>
	55	#include "oxygen.h"
	56	#include "xonar_dg.h"
	57	#include "cs4245.h"
	58
	59	#define GPIO_MAGIC 0x0008
	60	#define GPIO_HP_DETECT 0x0010
	61	#define GPIO_INPUT_ROUTE 0x0060
	62	#define GPIO_HP_REAR 0x0080
	63	#define GPIO_OUTPUT_ENABLE 0x0100
	64
	65	struct dg {
	66	unsigned int output_sel;
	67	s8 input_vol[4][2];
	68	unsigned int input_sel;
	69	u8 hp_vol_att;
	70	u8 cs4245_regs[0x11];
	71	};
	72
	73	static void cs4245_write(struct oxygen *chip, unsigned int reg, u8 value)
	74	{
	75	struct dg *data = chip->model_data;
	76
	77	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER \|
	78	OXYGEN_SPI_DATA_LENGTH_3 \|
	79	OXYGEN_SPI_CLOCK_1280 \|
	80	(0 << OXYGEN_SPI_CODEC_SHIFT) \|
	81	OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
	82	CS4245_SPI_ADDRESS \|
	83	CS4245_SPI_WRITE \|
f8fe80e4	84	(reg << 8) \| value);
66410bfd CL	85	data->cs4245_regs[reg] = value;
	86	}
	87
	88	static void cs4245_write_cached(struct oxygen *chip, unsigned int reg, u8 value)
	89	{
	90	struct dg *data = chip->model_data;
	91
	92	if (value != data->cs4245_regs[reg])
	93	cs4245_write(chip, reg, value);
	94	}
	95
	96	static void cs4245_registers_init(struct oxygen *chip)
	97	{
	98	struct dg *data = chip->model_data;
	99
	100	cs4245_write(chip, CS4245_POWER_CTRL, CS4245_PDN);
	101	cs4245_write(chip, CS4245_DAC_CTRL_1,
	102	data->cs4245_regs[CS4245_DAC_CTRL_1]);
	103	cs4245_write(chip, CS4245_ADC_CTRL,
	104	data->cs4245_regs[CS4245_ADC_CTRL]);
	105	cs4245_write(chip, CS4245_SIGNAL_SEL,
	106	data->cs4245_regs[CS4245_SIGNAL_SEL]);
	107	cs4245_write(chip, CS4245_PGA_B_CTRL,
	108	data->cs4245_regs[CS4245_PGA_B_CTRL]);
	109	cs4245_write(chip, CS4245_PGA_A_CTRL,
	110	data->cs4245_regs[CS4245_PGA_A_CTRL]);
	111	cs4245_write(chip, CS4245_ANALOG_IN,
	112	data->cs4245_regs[CS4245_ANALOG_IN]);
	113	cs4245_write(chip, CS4245_DAC_A_CTRL,
	114	data->cs4245_regs[CS4245_DAC_A_CTRL]);
	115	cs4245_write(chip, CS4245_DAC_B_CTRL,
	116	data->cs4245_regs[CS4245_DAC_B_CTRL]);
	117	cs4245_write(chip, CS4245_DAC_CTRL_2,
	118	CS4245_DAC_SOFT \| CS4245_DAC_ZERO \| CS4245_INVERT_DAC);
	119	cs4245_write(chip, CS4245_INT_MASK, 0);
	120	cs4245_write(chip, CS4245_POWER_CTRL, 0);
	121	}
	122
	123	static void cs4245_init(struct oxygen *chip)
	124	{
	125	struct dg *data = chip->model_data;
	126
	127	data->cs4245_regs[CS4245_DAC_CTRL_1] =
	128	CS4245_DAC_FM_SINGLE \| CS4245_DAC_DIF_LJUST;
	129	data->cs4245_regs[CS4245_ADC_CTRL] =
	130	CS4245_ADC_FM_SINGLE \| CS4245_ADC_DIF_LJUST;
	131	data->cs4245_regs[CS4245_SIGNAL_SEL] =
	132	CS4245_A_OUT_SEL_HIZ \| CS4245_ASYNCH;
	133	data->cs4245_regs[CS4245_PGA_B_CTRL] = 0;
	134	data->cs4245_regs[CS4245_PGA_A_CTRL] = 0;
	135	data->cs4245_regs[CS4245_ANALOG_IN] =
	136	CS4245_PGA_SOFT \| CS4245_PGA_ZERO \| CS4245_SEL_INPUT_4;
	137	data->cs4245_regs[CS4245_DAC_A_CTRL] = 0;
	138	data->cs4245_regs[CS4245_DAC_B_CTRL] = 0;
	139	cs4245_registers_init(chip);
	140	snd_component_add(chip->card, "CS4245");
	141	}
	142
	143	static void dg_output_enable(struct oxygen *chip)
	144	{
	145	msleep(2500);
	146	oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
	147	}
	148
149	static void dg_init(struct oxygen *chip)
150	{
151	struct dg *data = chip->model_data;
152
153	data->output_sel = 0;
154	data->input_sel = 3;
155	data->hp_vol_att = 2 * 16;
156
157	cs4245_init(chip);
158
159	oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL,
160	GPIO_MAGIC \| GPIO_HP_DETECT);
161	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
162	GPIO_INPUT_ROUTE \| GPIO_HP_REAR \| GPIO_OUTPUT_ENABLE);
163	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA,
164	GPIO_INPUT_ROUTE \| GPIO_HP_REAR);
165	dg_output_enable(chip);
166	}
167
168	static void dg_cleanup(struct oxygen *chip)
169	{
170	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
171	}
172
173	static void dg_suspend(struct oxygen *chip)
174	{
175	dg_cleanup(chip);
176	}
177
178	static void dg_resume(struct oxygen *chip)
179	{
180	cs4245_registers_init(chip);
181	dg_output_enable(chip);
182	}
183
184	static void set_cs4245_dac_params(struct oxygen *chip,
185	struct snd_pcm_hw_params *params)
186	{
187	struct dg *data = chip->model_data;
188	u8 value;
189
190	value = data->cs4245_regs[CS4245_DAC_CTRL_1] & ~CS4245_DAC_FM_MASK;
191	if (params_rate(params) <= 50000)
192	value \|= CS4245_DAC_FM_SINGLE;
193	else if (params_rate(params) <= 100000)
194	value \|= CS4245_DAC_FM_DOUBLE;
195	else
196	value \|= CS4245_DAC_FM_QUAD;
197	cs4245_write_cached(chip, CS4245_DAC_CTRL_1, value);
198	}
199
200	static void set_cs4245_adc_params(struct oxygen *chip,
201	struct snd_pcm_hw_params *params)
202	{
203	struct dg *data = chip->model_data;
204	u8 value;
205
206	value = data->cs4245_regs[CS4245_ADC_CTRL] & ~CS4245_ADC_FM_MASK;
207	if (params_rate(params) <= 50000)
208	value \|= CS4245_ADC_FM_SINGLE;
209	else if (params_rate(params) <= 100000)
210	value \|= CS4245_ADC_FM_DOUBLE;
211	else
212	value \|= CS4245_ADC_FM_QUAD;
213	cs4245_write_cached(chip, CS4245_ADC_CTRL, value);
214	}
215
efbeb071 CL	216	static inline unsigned int shift_bits(unsigned int value,
	217	unsigned int shift_from,
	218	unsigned int shift_to,
	219	unsigned int mask)
	220	{
	221	if (shift_from < shift_to)
	222	return (value << (shift_to - shift_from)) & mask;
	223	else
	224	return (value >> (shift_from - shift_to)) & mask;
	225	}
	226
	227	static unsigned int adjust_dg_dac_routing(struct oxygen *chip,
	228	unsigned int play_routing)
	229	{
	230	return (play_routing & OXYGEN_PLAY_DAC0_SOURCE_MASK) \|
	231	shift_bits(play_routing,
	232	OXYGEN_PLAY_DAC2_SOURCE_SHIFT,
	233	OXYGEN_PLAY_DAC1_SOURCE_SHIFT,
	234	OXYGEN_PLAY_DAC1_SOURCE_MASK) \|
	235	shift_bits(play_routing,
	236	OXYGEN_PLAY_DAC1_SOURCE_SHIFT,
	237	OXYGEN_PLAY_DAC2_SOURCE_SHIFT,
	238	OXYGEN_PLAY_DAC2_SOURCE_MASK) \|
	239	shift_bits(play_routing,
	240	OXYGEN_PLAY_DAC0_SOURCE_SHIFT,
	241	OXYGEN_PLAY_DAC3_SOURCE_SHIFT,
	242	OXYGEN_PLAY_DAC3_SOURCE_MASK);
	243	}
	244
66410bfd CL	245	static int output_switch_info(struct snd_kcontrol *ctl,
	246	struct snd_ctl_elem_info *info)
	247	{
	248	static const char *const names[3] = {
	249	"Speakers", "Headphones", "FP Headphones"
	250	};
	251
9600732b	252	return snd_ctl_enum_info(info, 1, 3, names);
66410bfd CL	253	}
	254
	255	static int output_switch_get(struct snd_kcontrol *ctl,
	256	struct snd_ctl_elem_value *value)
	257	{
	258	struct oxygen *chip = ctl->private_data;
	259	struct dg *data = chip->model_data;
	260
	261	mutex_lock(&chip->mutex);
	262	value->value.enumerated.item[0] = data->output_sel;
	263	mutex_unlock(&chip->mutex);
	264	return 0;
	265	}
	266
	267	static int output_switch_put(struct snd_kcontrol *ctl,
	268	struct snd_ctl_elem_value *value)
	269	{
	270	struct oxygen *chip = ctl->private_data;
	271	struct dg *data = chip->model_data;
	272	u8 reg;
	273	int changed;
	274
	275	if (value->value.enumerated.item[0] > 2)
	276	return -EINVAL;
	277
	278	mutex_lock(&chip->mutex);
	279	changed = value->value.enumerated.item[0] != data->output_sel;
	280	if (changed) {
	281	data->output_sel = value->value.enumerated.item[0];
	282
	283	reg = data->cs4245_regs[CS4245_SIGNAL_SEL] &
	284	~CS4245_A_OUT_SEL_MASK;
	285	reg \|= data->output_sel == 2 ?
	286	CS4245_A_OUT_SEL_DAC : CS4245_A_OUT_SEL_HIZ;
	287	cs4245_write_cached(chip, CS4245_SIGNAL_SEL, reg);
	288
	289	cs4245_write_cached(chip, CS4245_DAC_A_CTRL,
	290	data->output_sel ? data->hp_vol_att : 0);
	291	cs4245_write_cached(chip, CS4245_DAC_B_CTRL,
	292	data->output_sel ? data->hp_vol_att : 0);
	293
	294	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
	295	data->output_sel == 1 ? GPIO_HP_REAR : 0,
	296	GPIO_HP_REAR);
	297	}
	298	mutex_unlock(&chip->mutex);
	299	return changed;
	300	}
	301
	302	static int hp_volume_offset_info(struct snd_kcontrol *ctl,
	303	struct snd_ctl_elem_info *info)
	304	{
	305	static const char *const names[3] = {
	306	"< 64 ohms", "64-150 ohms", "150-300 ohms"
	307	};
	308
9600732b	309	return snd_ctl_enum_info(info, 1, 3, names);
66410bfd CL	310	}
	311
	312	static int hp_volume_offset_get(struct snd_kcontrol *ctl,
	313	struct snd_ctl_elem_value *value)
	314	{
	315	struct oxygen *chip = ctl->private_data;
	316	struct dg *data = chip->model_data;
	317
	318	mutex_lock(&chip->mutex);
	319	if (data->hp_vol_att > 2 * 7)
	320	value->value.enumerated.item[0] = 0;
	321	else if (data->hp_vol_att > 0)
	322	value->value.enumerated.item[0] = 1;
	323	else
	324	value->value.enumerated.item[0] = 2;
	325	mutex_unlock(&chip->mutex);
	326	return 0;
	327	}
	328
	329	static int hp_volume_offset_put(struct snd_kcontrol *ctl,
	330	struct snd_ctl_elem_value *value)
	331	{
	332	static const s8 atts[3] = { 2 * 16, 2 * 7, 0 };
	333	struct oxygen *chip = ctl->private_data;
	334	struct dg *data = chip->model_data;
	335	s8 att;
	336	int changed;
	337
	338	if (value->value.enumerated.item[0] > 2)
	339	return -EINVAL;
	340	att = atts[value->value.enumerated.item[0]];
	341	mutex_lock(&chip->mutex);
	342	changed = att != data->hp_vol_att;
	343	if (changed) {
	344	data->hp_vol_att = att;
	345	if (data->output_sel) {
	346	cs4245_write_cached(chip, CS4245_DAC_A_CTRL, att);
	347	cs4245_write_cached(chip, CS4245_DAC_B_CTRL, att);
	348	}
	349	}
	350	mutex_unlock(&chip->mutex);
	351	return changed;
	352	}
	353
	354	static int input_vol_info(struct snd_kcontrol *ctl,
	355	struct snd_ctl_elem_info *info)
	356	{
	357	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	358	info->count = 2;
	359	info->value.integer.min = 2 * -12;
	360	info->value.integer.max = 2 * 12;
	361	return 0;
	362	}
	363
	364	static int input_vol_get(struct snd_kcontrol *ctl,
	365	struct snd_ctl_elem_value *value)
	366	{
	367	struct oxygen *chip = ctl->private_data;
	368	struct dg *data = chip->model_data;
	369	unsigned int idx = ctl->private_value;
	370
	371	mutex_lock(&chip->mutex);
	372	value->value.integer.value[0] = data->input_vol[idx][0];
	373	value->value.integer.value[1] = data->input_vol[idx][1];
374	mutex_unlock(&chip->mutex);
375	return 0;
376	}
377
378	static int input_vol_put(struct snd_kcontrol *ctl,
379	struct snd_ctl_elem_value *value)
380	{
381	struct oxygen *chip = ctl->private_data;
382	struct dg *data = chip->model_data;
383	unsigned int idx = ctl->private_value;
384	int changed = 0;
385
386	if (value->value.integer.value[0] < 2 * -12 \|\|
387	value->value.integer.value[0] > 2 * 12 \|\|
388	value->value.integer.value[1] < 2 * -12 \|\|
389	value->value.integer.value[1] > 2 * 12)
390	return -EINVAL;
391	mutex_lock(&chip->mutex);
392	changed = data->input_vol[idx][0] != value->value.integer.value[0] \|\|
393	data->input_vol[idx][1] != value->value.integer.value[1];
394	if (changed) {
395	data->input_vol[idx][0] = value->value.integer.value[0];
396	data->input_vol[idx][1] = value->value.integer.value[1];
397	if (idx == data->input_sel) {
398	cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
399	data->input_vol[idx][0]);
400	cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
401	data->input_vol[idx][1]);
402	}
403	}
404	mutex_unlock(&chip->mutex);
405	return changed;
406	}
407
408	static DECLARE_TLV_DB_SCALE(cs4245_pga_db_scale, -1200, 50, 0);
409
410	static int input_sel_info(struct snd_kcontrol *ctl,
411	struct snd_ctl_elem_info *info)
412	{
413	static const char *const names[4] = {
414	"Mic", "Aux", "Front Mic", "Line"
415	};
416
9600732b	417	return snd_ctl_enum_info(info, 1, 4, names);
66410bfd CL	418	}
	419
	420	static int input_sel_get(struct snd_kcontrol *ctl,
	421	struct snd_ctl_elem_value *value)
	422	{
	423	struct oxygen *chip = ctl->private_data;
	424	struct dg *data = chip->model_data;
	425
	426	mutex_lock(&chip->mutex);
	427	value->value.enumerated.item[0] = data->input_sel;
	428	mutex_unlock(&chip->mutex);
	429	return 0;
	430	}
	431
	432	static int input_sel_put(struct snd_kcontrol *ctl,
	433	struct snd_ctl_elem_value *value)
	434	{
	435	static const u8 sel_values[4] = {
	436	CS4245_SEL_MIC,
	437	CS4245_SEL_INPUT_1,
	438	CS4245_SEL_INPUT_2,
	439	CS4245_SEL_INPUT_4
	440	};
	441	struct oxygen *chip = ctl->private_data;
	442	struct dg *data = chip->model_data;
	443	int changed;
	444
	445	if (value->value.enumerated.item[0] > 3)
	446	return -EINVAL;
	447
	448	mutex_lock(&chip->mutex);
	449	changed = value->value.enumerated.item[0] != data->input_sel;
	450	if (changed) {
	451	data->input_sel = value->value.enumerated.item[0];
	452
	453	cs4245_write(chip, CS4245_ANALOG_IN,
	454	(data->cs4245_regs[CS4245_ANALOG_IN] &
	455	~CS4245_SEL_MASK) \|
	456	sel_values[data->input_sel]);
	457
	458	cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
	459	data->input_vol[data->input_sel][0]);
	460	cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
	461	data->input_vol[data->input_sel][1]);
	462
	463	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
	464	data->input_sel ? 0 : GPIO_INPUT_ROUTE,
	465	GPIO_INPUT_ROUTE);
	466	}
	467	mutex_unlock(&chip->mutex);
	468	return changed;
	469	}
	470
	471	static int hpf_info(struct snd_kcontrol ctl, struct snd_ctl_elem_info info)
	472	{
	473	static const char *const names[2] = { "Active", "Frozen" };
	474
9600732b	475	return snd_ctl_enum_info(info, 1, 2, names);
66410bfd CL	476	}
	477
	478	static int hpf_get(struct snd_kcontrol ctl, struct snd_ctl_elem_value value)
	479	{
	480	struct oxygen *chip = ctl->private_data;
	481	struct dg *data = chip->model_data;
	482
	483	value->value.enumerated.item[0] =
	484	!!(data->cs4245_regs[CS4245_ADC_CTRL] & CS4245_HPF_FREEZE);
	485	return 0;
	486	}
	487
	488	static int hpf_put(struct snd_kcontrol ctl, struct snd_ctl_elem_value value)
	489	{
	490	struct oxygen *chip = ctl->private_data;
	491	struct dg *data = chip->model_data;
	492	u8 reg;
	493	int changed;
	494
	495	mutex_lock(&chip->mutex);
	496	reg = data->cs4245_regs[CS4245_ADC_CTRL] & ~CS4245_HPF_FREEZE;
	497	if (value->value.enumerated.item[0])
	498	reg \|= CS4245_HPF_FREEZE;
	499	changed = reg != data->cs4245_regs[CS4245_ADC_CTRL];
	500	if (changed)
	501	cs4245_write(chip, CS4245_ADC_CTRL, reg);
	502	mutex_unlock(&chip->mutex);
	503	return changed;
	504	}
	505
	506	#define INPUT_VOLUME(xname, index) { \
	507	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
	508	.name = xname, \
	509	.info = input_vol_info, \
	510	.get = input_vol_get, \
	511	.put = input_vol_put, \
	512	.tlv = { .p = cs4245_pga_db_scale }, \
	513	.private_value = index, \
	514	}
	515	static const struct snd_kcontrol_new dg_controls[] = {
	516	{
	517	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	518	.name = "Analog Output Playback Enum",
	519	.info = output_switch_info,
	520	.get = output_switch_get,
	521	.put = output_switch_put,
	522	},
	523	{
	524	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	525	.name = "Headphones Impedance Playback Enum",
	526	.info = hp_volume_offset_info,
	527	.get = hp_volume_offset_get,
	528	.put = hp_volume_offset_put,
	529	},
	530	INPUT_VOLUME("Mic Capture Volume", 0),
	531	INPUT_VOLUME("Aux Capture Volume", 1),
	532	INPUT_VOLUME("Front Mic Capture Volume", 2),
	533	INPUT_VOLUME("Line Capture Volume", 3),
	534	{
	535	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	536	.name = "Capture Source",
	537	.info = input_sel_info,
	538	.get = input_sel_get,
	539	.put = input_sel_put,
540	},
541	{
542	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
543	.name = "ADC High-pass Filter Capture Enum",
544	.info = hpf_info,
545	.get = hpf_get,
546	.put = hpf_put,
547	},
548	};
549
550	static int dg_control_filter(struct snd_kcontrol_new *template)
551	{
552	if (!strncmp(template->name, "Master Playback ", 16))
553	return 1;
554	return 0;
555	}
556
557	static int dg_mixer_init(struct oxygen *chip)
558	{
559	unsigned int i;
560	int err;
561
562	for (i = 0; i < ARRAY_SIZE(dg_controls); ++i) {
563	err = snd_ctl_add(chip->card,
564	snd_ctl_new1(&dg_controls[i], chip));
565	if (err < 0)
566	return err;
567	}
568	return 0;
569	}
570
571	static void dump_cs4245_registers(struct oxygen *chip,
572	struct snd_info_buffer *buffer)
573	{
574	struct dg *data = chip->model_data;
575	unsigned int i;
576
577	snd_iprintf(buffer, "\nCS4245:");
578	for (i = 1; i <= 0x10; ++i)
579	snd_iprintf(buffer, " %02x", data->cs4245_regs[i]);
580	snd_iprintf(buffer, "\n");
581	}
582
583	struct oxygen_model model_xonar_dg = {
66410bfd CL	584	.longname = "C-Media Oxygen HD Audio",
	585	.chip = "CMI8786",
	586	.init = dg_init,
	587	.control_filter = dg_control_filter,
	588	.mixer_init = dg_mixer_init,
	589	.cleanup = dg_cleanup,
	590	.suspend = dg_suspend,
	591	.resume = dg_resume,
	592	.set_dac_params = set_cs4245_dac_params,
	593	.set_adc_params = set_cs4245_adc_params,
efbeb071	594	.adjust_dac_routing = adjust_dg_dac_routing,
66410bfd CL	595	.dump_registers = dump_cs4245_registers,
	596	.model_data_size = sizeof(struct dg),
	597	.device_config = PLAYBACK_0_TO_I2S \|
	598	PLAYBACK_1_TO_SPDIF \|
fd642c2b	599	CAPTURE_0_FROM_I2S_1 \|
56225e4c	600	CAPTURE_1_FROM_SPDIF,
66410bfd CL	601	.dac_channels_pcm = 6,
	602	.dac_channels_mixer = 0,
	603	.function_flags = OXYGEN_FUNCTION_SPI,
	604	.dac_mclks = OXYGEN_MCLKS(256, 128, 128),
	605	.adc_mclks = OXYGEN_MCLKS(256, 128, 128),
	606	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
	607	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
	608	};