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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * C-Media CMI8787 driver for the Studio Evolution SE6X
4 *
5 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
6 */
7
8/*
9 * CMI8787:
10 *
11 * SPI -> microcontroller (not actually used)
12 * GPIO 0 -> do.
13 * GPIO 2 -> do.
14 *
15 * DAC0 -> both PCM1792A (L+R, each in mono mode)
16 * ADC1 <- 1st PCM1804
17 * ADC2 <- 2nd PCM1804
18 * ADC3 <- 3rd PCM1804
19 */
20
21#include <linux/pci.h>
22#include <linux/module.h>
23#include <sound/core.h>
24#include <sound/control.h>
25#include <sound/initval.h>
26#include <sound/pcm.h>
27#include "oxygen.h"
28
29MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
30MODULE_DESCRIPTION("Studio Evolution SE6X driver");
31MODULE_LICENSE("GPL v2");
32
33static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
34static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
35static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
36
37module_param_array(index, int, NULL, 0444);
38MODULE_PARM_DESC(index, "card index");
39module_param_array(id, charp, NULL, 0444);
40MODULE_PARM_DESC(id, "ID string");
41module_param_array(enable, bool, NULL, 0444);
42MODULE_PARM_DESC(enable, "enable card");
43
44static const struct pci_device_id se6x_ids[] = {
45 { OXYGEN_PCI_SUBID(0x13f6, 0x8788) },
46 { }
47};
48MODULE_DEVICE_TABLE(pci, se6x_ids);
49
50static void se6x_init(struct oxygen *chip)
51{
52 oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x005);
53
54 snd_component_add(chip->card, "PCM1792A");
55 snd_component_add(chip->card, "PCM1804");
56}
57
58static int se6x_control_filter(struct snd_kcontrol_new *template)
59{
60 /* no DAC volume/mute */
61 if (!strncmp(template->name, "Master Playback ", 16))
62 return 1;
63 return 0;
64}
65
66static void se6x_cleanup(struct oxygen *chip)
67{
68}
69
70static void set_pcm1792a_params(struct oxygen *chip,
71 struct snd_pcm_hw_params *params)
72{
73 /* nothing to do (the microcontroller monitors DAC_LRCK) */
74}
75
76static void set_pcm1804_params(struct oxygen *chip,
77 struct snd_pcm_hw_params *params)
78{
79}
80
81static unsigned int se6x_adjust_dac_routing(struct oxygen *chip,
82 unsigned int play_routing)
83{
84 /* route the same stereo pair to DAC0 and DAC1 */
85 return ( play_routing & OXYGEN_PLAY_DAC0_SOURCE_MASK) |
86 ((play_routing << 2) & OXYGEN_PLAY_DAC1_SOURCE_MASK);
87}
88
89static const struct oxygen_model model_se6x = {
90 .shortname = "Studio Evolution SE6X",
91 .longname = "C-Media Oxygen HD Audio",
92 .chip = "CMI8787",
93 .init = se6x_init,
94 .control_filter = se6x_control_filter,
95 .cleanup = se6x_cleanup,
96 .set_dac_params = set_pcm1792a_params,
97 .set_adc_params = set_pcm1804_params,
98 .adjust_dac_routing = se6x_adjust_dac_routing,
99 .device_config = PLAYBACK_0_TO_I2S |
100 CAPTURE_0_FROM_I2S_1 |
101 CAPTURE_2_FROM_I2S_2 |
102 CAPTURE_3_FROM_I2S_3,
103 .dac_channels_pcm = 2,
104 .function_flags = OXYGEN_FUNCTION_SPI,
105 .dac_mclks = OXYGEN_MCLKS(256, 128, 128),
106 .adc_mclks = OXYGEN_MCLKS(256, 256, 128),
107 .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
108 .adc_i2s_format = OXYGEN_I2S_FORMAT_I2S,
109};
110
111static int se6x_get_model(struct oxygen *chip,
112 const struct pci_device_id *pci_id)
113{
114 chip->model = model_se6x;
115 return 0;
116}
117
118static int se6x_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
119{
120 static int dev;
121 int err;
122
123 if (dev >= SNDRV_CARDS)
124 return -ENODEV;
125 if (!enable[dev]) {
126 ++dev;
127 return -ENOENT;
128 }
129 err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE,
130 se6x_ids, se6x_get_model);
131 if (err >= 0)
132 ++dev;
133 return err;
134}
135
136static struct pci_driver se6x_driver = {
137 .name = KBUILD_MODNAME,
138 .id_table = se6x_ids,
139 .probe = se6x_probe,
140#ifdef CONFIG_PM_SLEEP
141 .driver = {
142 .pm = &oxygen_pci_pm,
143 },
144#endif
145 .shutdown = oxygen_pci_shutdown,
146};
147
148module_pci_driver(se6x_driver);
1/*
2 * C-Media CMI8787 driver for the Studio Evolution SE6X
3 *
4 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
5 *
6 * This driver is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License, version 2.
8 *
9 * This driver is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this driver; if not, see <http://www.gnu.org/licenses/>.
16 */
17
18/*
19 * CMI8787:
20 *
21 * SPI -> microcontroller (not actually used)
22 * GPIO 0 -> do.
23 * GPIO 2 -> do.
24 *
25 * DAC0 -> both PCM1792A (L+R, each in mono mode)
26 * ADC1 <- 1st PCM1804
27 * ADC2 <- 2nd PCM1804
28 * ADC3 <- 3rd PCM1804
29 */
30
31#include <linux/pci.h>
32#include <linux/module.h>
33#include <sound/core.h>
34#include <sound/control.h>
35#include <sound/initval.h>
36#include <sound/pcm.h>
37#include "oxygen.h"
38
39MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
40MODULE_DESCRIPTION("Studio Evolution SE6X driver");
41MODULE_LICENSE("GPL v2");
42MODULE_SUPPORTED_DEVICE("{{Studio Evolution,SE6X}}");
43
44static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
45static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
46static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
47
48module_param_array(index, int, NULL, 0444);
49MODULE_PARM_DESC(index, "card index");
50module_param_array(id, charp, NULL, 0444);
51MODULE_PARM_DESC(id, "ID string");
52module_param_array(enable, bool, NULL, 0444);
53MODULE_PARM_DESC(enable, "enable card");
54
55static const struct pci_device_id se6x_ids[] = {
56 { OXYGEN_PCI_SUBID(0x13f6, 0x8788) },
57 { }
58};
59MODULE_DEVICE_TABLE(pci, se6x_ids);
60
61static void se6x_init(struct oxygen *chip)
62{
63 oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x005);
64
65 snd_component_add(chip->card, "PCM1792A");
66 snd_component_add(chip->card, "PCM1804");
67}
68
69static int se6x_control_filter(struct snd_kcontrol_new *template)
70{
71 /* no DAC volume/mute */
72 if (!strncmp(template->name, "Master Playback ", 16))
73 return 1;
74 return 0;
75}
76
77static void se6x_cleanup(struct oxygen *chip)
78{
79}
80
81static void set_pcm1792a_params(struct oxygen *chip,
82 struct snd_pcm_hw_params *params)
83{
84 /* nothing to do (the microcontroller monitors DAC_LRCK) */
85}
86
87static void set_pcm1804_params(struct oxygen *chip,
88 struct snd_pcm_hw_params *params)
89{
90}
91
92static unsigned int se6x_adjust_dac_routing(struct oxygen *chip,
93 unsigned int play_routing)
94{
95 /* route the same stereo pair to DAC0 and DAC1 */
96 return ( play_routing & OXYGEN_PLAY_DAC0_SOURCE_MASK) |
97 ((play_routing << 2) & OXYGEN_PLAY_DAC1_SOURCE_MASK);
98}
99
100static const struct oxygen_model model_se6x = {
101 .shortname = "Studio Evolution SE6X",
102 .longname = "C-Media Oxygen HD Audio",
103 .chip = "CMI8787",
104 .init = se6x_init,
105 .control_filter = se6x_control_filter,
106 .cleanup = se6x_cleanup,
107 .set_dac_params = set_pcm1792a_params,
108 .set_adc_params = set_pcm1804_params,
109 .adjust_dac_routing = se6x_adjust_dac_routing,
110 .device_config = PLAYBACK_0_TO_I2S |
111 CAPTURE_0_FROM_I2S_1 |
112 CAPTURE_2_FROM_I2S_2 |
113 CAPTURE_3_FROM_I2S_3,
114 .dac_channels_pcm = 2,
115 .function_flags = OXYGEN_FUNCTION_SPI,
116 .dac_mclks = OXYGEN_MCLKS(256, 128, 128),
117 .adc_mclks = OXYGEN_MCLKS(256, 256, 128),
118 .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
119 .adc_i2s_format = OXYGEN_I2S_FORMAT_I2S,
120};
121
122static int se6x_get_model(struct oxygen *chip,
123 const struct pci_device_id *pci_id)
124{
125 chip->model = model_se6x;
126 return 0;
127}
128
129static int se6x_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
130{
131 static int dev;
132 int err;
133
134 if (dev >= SNDRV_CARDS)
135 return -ENODEV;
136 if (!enable[dev]) {
137 ++dev;
138 return -ENOENT;
139 }
140 err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE,
141 se6x_ids, se6x_get_model);
142 if (err >= 0)
143 ++dev;
144 return err;
145}
146
147static struct pci_driver se6x_driver = {
148 .name = KBUILD_MODNAME,
149 .id_table = se6x_ids,
150 .probe = se6x_probe,
151 .remove = oxygen_pci_remove,
152#ifdef CONFIG_PM_SLEEP
153 .driver = {
154 .pm = &oxygen_pci_pm,
155 },
156#endif
157 .shutdown = oxygen_pci_shutdown,
158};
159
160module_pci_driver(se6x_driver);