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
39 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
40 MODULE_DESCRIPTION("Studio Evolution SE6X driver");
41 MODULE_LICENSE("GPL v2");
42 MODULE_SUPPORTED_DEVICE("{{Studio Evolution,SE6X}}");
43
44 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
45 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
46 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
47
48 module_param_array(index, int, NULL, 0444);
49 MODULE_PARM_DESC(index, "card index");
50 module_param_array(id, charp, NULL, 0444);
51 MODULE_PARM_DESC(id, "ID string");
52 module_param_array(enable, bool, NULL, 0444);
53 MODULE_PARM_DESC(enable, "enable card");
54
55 static const struct pci_device_id se6x_ids[] = {
56 { OXYGEN_PCI_SUBID(0x13f6, 0x8788) },
57 { }
58 };
59 MODULE_DEVICE_TABLE(pci, se6x_ids);
60
se6x_init(struct oxygen * chip)61 static 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
se6x_control_filter(struct snd_kcontrol_new * template)69 static 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
se6x_cleanup(struct oxygen * chip)77 static void se6x_cleanup(struct oxygen *chip)
78 {
79 }
80
set_pcm1792a_params(struct oxygen * chip,struct snd_pcm_hw_params * params)81 static 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
set_pcm1804_params(struct oxygen * chip,struct snd_pcm_hw_params * params)87 static void set_pcm1804_params(struct oxygen *chip,
88 struct snd_pcm_hw_params *params)
89 {
90 }
91
se6x_adjust_dac_routing(struct oxygen * chip,unsigned int play_routing)92 static 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
100 static 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
se6x_get_model(struct oxygen * chip,const struct pci_device_id * pci_id)122 static 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
se6x_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)129 static 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
147 static 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
160 module_pci_driver(se6x_driver);
161