diff options
author | Clemens Ladisch <clemens@ladisch.de> | 2009-09-28 05:11:27 -0400 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2009-09-28 05:53:38 -0400 |
commit | 65c3ac885ce9852852b895a4a62212f62cb5f2e9 (patch) | |
tree | 03f150871f6ff7c4e3b6d36c694e50b9c8318e13 /sound/pci/oxygen/xonar_hdmi.c | |
parent | 362bc24d6746bcd49bb4853fc5aa7d4c728b3f9e (diff) |
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>
Diffstat (limited to 'sound/pci/oxygen/xonar_hdmi.c')
-rw-r--r-- | sound/pci/oxygen/xonar_hdmi.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/sound/pci/oxygen/xonar_hdmi.c b/sound/pci/oxygen/xonar_hdmi.c new file mode 100644 index 000000000000..b12db1f1cea9 --- /dev/null +++ b/sound/pci/oxygen/xonar_hdmi.c | |||
@@ -0,0 +1,128 @@ | |||
1 | /* | ||
2 | * helper functions for HDMI models (Xonar HDAV1.3) | ||
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 | #include <linux/pci.h> | ||
20 | #include <linux/delay.h> | ||
21 | #include <sound/asoundef.h> | ||
22 | #include <sound/control.h> | ||
23 | #include <sound/core.h> | ||
24 | #include <sound/pcm.h> | ||
25 | #include <sound/pcm_params.h> | ||
26 | #include <sound/tlv.h> | ||
27 | #include "xonar.h" | ||
28 | |||
29 | static void hdmi_write_command(struct oxygen *chip, u8 command, | ||
30 | unsigned int count, const u8 *params) | ||
31 | { | ||
32 | unsigned int i; | ||
33 | u8 checksum; | ||
34 | |||
35 | oxygen_write_uart(chip, 0xfb); | ||
36 | oxygen_write_uart(chip, 0xef); | ||
37 | oxygen_write_uart(chip, command); | ||
38 | oxygen_write_uart(chip, count); | ||
39 | for (i = 0; i < count; ++i) | ||
40 | oxygen_write_uart(chip, params[i]); | ||
41 | checksum = 0xfb + 0xef + command + count; | ||
42 | for (i = 0; i < count; ++i) | ||
43 | checksum += params[i]; | ||
44 | oxygen_write_uart(chip, checksum); | ||
45 | } | ||
46 | |||
47 | static void xonar_hdmi_init_commands(struct oxygen *chip, | ||
48 | struct xonar_hdmi *hdmi) | ||
49 | { | ||
50 | u8 param; | ||
51 | |||
52 | oxygen_reset_uart(chip); | ||
53 | param = 0; | ||
54 | hdmi_write_command(chip, 0x61, 1, ¶m); | ||
55 | param = 1; | ||
56 | hdmi_write_command(chip, 0x74, 1, ¶m); | ||
57 | hdmi_write_command(chip, 0x54, 5, hdmi->params); | ||
58 | } | ||
59 | |||
60 | void xonar_hdmi_init(struct oxygen *chip, struct xonar_hdmi *hdmi) | ||
61 | { | ||
62 | hdmi->params[1] = IEC958_AES3_CON_FS_48000; | ||
63 | hdmi->params[4] = 1; | ||
64 | xonar_hdmi_init_commands(chip, hdmi); | ||
65 | } | ||
66 | |||
67 | void xonar_hdmi_cleanup(struct oxygen *chip) | ||
68 | { | ||
69 | u8 param = 0; | ||
70 | |||
71 | hdmi_write_command(chip, 0x74, 1, ¶m); | ||
72 | } | ||
73 | |||
74 | void xonar_hdmi_resume(struct oxygen *chip, struct xonar_hdmi *hdmi) | ||
75 | { | ||
76 | xonar_hdmi_init_commands(chip, hdmi); | ||
77 | } | ||
78 | |||
79 | void xonar_hdmi_pcm_hardware_filter(unsigned int channel, | ||
80 | struct snd_pcm_hardware *hardware) | ||
81 | { | ||
82 | if (channel == PCM_MULTICH) { | ||
83 | hardware->rates = SNDRV_PCM_RATE_44100 | | ||
84 | SNDRV_PCM_RATE_48000 | | ||
85 | SNDRV_PCM_RATE_96000 | | ||
86 | SNDRV_PCM_RATE_192000; | ||
87 | hardware->rate_min = 44100; | ||
88 | } | ||
89 | } | ||
90 | |||
91 | void xonar_set_hdmi_params(struct oxygen *chip, struct xonar_hdmi *hdmi, | ||
92 | struct snd_pcm_hw_params *params) | ||
93 | { | ||
94 | hdmi->params[0] = 0; /* 1 = non-audio */ | ||
95 | switch (params_rate(params)) { | ||
96 | case 44100: | ||
97 | hdmi->params[1] = IEC958_AES3_CON_FS_44100; | ||
98 | break; | ||
99 | case 48000: | ||
100 | hdmi->params[1] = IEC958_AES3_CON_FS_48000; | ||
101 | break; | ||
102 | default: /* 96000 */ | ||
103 | hdmi->params[1] = IEC958_AES3_CON_FS_96000; | ||
104 | break; | ||
105 | case 192000: | ||
106 | hdmi->params[1] = IEC958_AES3_CON_FS_192000; | ||
107 | break; | ||
108 | } | ||
109 | hdmi->params[2] = params_channels(params) / 2 - 1; | ||
110 | if (params_format(params) == SNDRV_PCM_FORMAT_S16_LE) | ||
111 | hdmi->params[3] = 0; | ||
112 | else | ||
113 | hdmi->params[3] = 0xc0; | ||
114 | hdmi->params[4] = 1; /* ? */ | ||
115 | hdmi_write_command(chip, 0x54, 5, hdmi->params); | ||
116 | } | ||
117 | |||
118 | void xonar_hdmi_uart_input(struct oxygen *chip) | ||
119 | { | ||
120 | if (chip->uart_input_count >= 2 && | ||
121 | chip->uart_input[chip->uart_input_count - 2] == 'O' && | ||
122 | chip->uart_input[chip->uart_input_count - 1] == 'K') { | ||
123 | printk(KERN_DEBUG "message from HDMI chip received:\n"); | ||
124 | print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, | ||
125 | chip->uart_input, chip->uart_input_count); | ||
126 | chip->uart_input_count = 0; | ||
127 | } | ||
128 | } | ||