projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| d927fdae VK |
1 | /* |
| 2 | * sst_platform.h - Intel MID Platform driver header file | |
| 3 | * | |
| 4 | * Copyright (C) 2010 Intel Corp | |
| 5 | * Author: Vinod Koul <vinod.koul@intel.com> | |
| 6 | * Author: Harsha Priya <priya.harsha@intel.com> | |
| 7 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
| 8 | * | |
| 9 | * This program is free software; you can redistribute it and/or modify | |
| 10 | * it under the terms of the GNU General Public License as published by | |
| 11 | * the Free Software Foundation; version 2 of the License. | |
| 12 | * | |
| 13 | * This program is distributed in the hope that it will be useful, but | |
| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 | * General Public License for more details. | |
| 17 | * | |
| 18 | * You should have received a copy of the GNU General Public License along | |
| 19 | * with this program; if not, write to the Free Software Foundation, Inc., | |
| 20 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
| 21 | * | |
| 22 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
| 23 | * | |
| 24 | * | |
| 25 | */ | |
| 26 | ||
| 27 | #ifndef __SST_PLATFORMDRV_H__ | |
| 28 | #define __SST_PLATFORMDRV_H__ | |
| 29 | ||
| 30 | #define SST_MONO 1 | |
| 31 | #define SST_STEREO 2 | |
| 32 | #define SST_MAX_CAP 5 | |
| 33 | ||
| 34 | #define SST_MIN_RATE 8000 | |
| 35 | #define SST_MAX_RATE 48000 | |
| 36 | #define SST_MIN_CHANNEL 1 | |
| 37 | #define SST_MAX_CHANNEL 5 | |
| 38 | #define SST_MAX_BUFFER (800*1024) | |
| 39 | #define SST_MIN_BUFFER (800*1024) | |
| 40 | #define SST_MIN_PERIOD_BYTES 32 | |
| 41 | #define SST_MAX_PERIOD_BYTES SST_MAX_BUFFER | |
| 42 | #define SST_MIN_PERIODS 2 | |
| 43 | #define SST_MAX_PERIODS (1024*2) | |
| 44 | #define SST_FIFO_SIZE 0 | |
| 03c33042 | 45 | #define SST_CODEC_TYPE_PCM 1 |
| d927fdae | 46 | |
| 03c33042 VK |
47 | struct pcm_stream_info { |
| 48 | int str_id; | |
| 49 | void *mad_substream; | |
| 50 | void (*period_elapsed) (void *mad_substream); | |
| 51 | unsigned long long buffer_ptr; | |
| 52 | int sfreq; | |
| d927fdae VK |
53 | }; |
| 54 | ||
| 55 | enum sst_drv_status { | |
| 56 | SST_PLATFORM_INIT = 1, | |
| 57 | SST_PLATFORM_STARTED, | |
| 58 | SST_PLATFORM_RUNNING, | |
| 59 | SST_PLATFORM_PAUSED, | |
| 60 | SST_PLATFORM_DROPPED, | |
| 61 | }; | |
| 62 | ||
| 03c33042 VK |
63 | enum sst_controls { |
| 64 | SST_SND_ALLOC = 0x00, | |
| 65 | SST_SND_PAUSE = 0x01, | |
| 66 | SST_SND_RESUME = 0x02, | |
| 67 | SST_SND_DROP = 0x03, | |
| 68 | SST_SND_FREE = 0x04, | |
| 69 | SST_SND_BUFFER_POINTER = 0x05, | |
| 70 | SST_SND_STREAM_INIT = 0x06, | |
| 71 | SST_SND_START = 0x07, | |
| 72 | SST_MAX_CONTROLS = 0x07, | |
| 73 | }; | |
| 74 | ||
| 75 | enum sst_stream_ops { | |
| 76 | STREAM_OPS_PLAYBACK = 0, | |
| 77 | STREAM_OPS_CAPTURE, | |
| 78 | }; | |
| 79 | ||
| 80 | enum sst_audio_device_type { | |
| 81 | SND_SST_DEVICE_HEADSET = 1, | |
| 82 | SND_SST_DEVICE_IHF, | |
| 83 | SND_SST_DEVICE_VIBRA, | |
| 84 | SND_SST_DEVICE_HAPTIC, | |
| 85 | SND_SST_DEVICE_CAPTURE, | |
| 86 | }; | |
| 87 | ||
| 88 | /* PCM Parameters */ | |
| 89 | struct sst_pcm_params { | |
| 90 | u16 codec; /* codec type */ | |
| 91 | u8 num_chan; /* 1=Mono, 2=Stereo */ | |
| 92 | u8 pcm_wd_sz; /* 16/24 - bit*/ | |
| 93 | u32 reserved; /* Bitrate in bits per second */ | |
| 94 | u32 sfreq; /* Sampling rate in Hz */ | |
| 95 | u32 ring_buffer_size; | |
| 96 | u32 period_count; /* period elapsed in samples*/ | |
| 97 | u32 ring_buffer_addr; | |
| 98 | }; | |
| 99 | ||
| 100 | struct sst_stream_params { | |
| 101 | u32 result; | |
| 102 | u32 stream_id; | |
| 103 | u8 codec; | |
| 104 | u8 ops; | |
| 105 | u8 stream_type; | |
| 106 | u8 device_type; | |
| 107 | struct sst_pcm_params sparams; | |
| 108 | }; | |
| 109 | ||
| 110 | struct sst_ops { | |
| 111 | int (*open) (struct sst_stream_params *str_param); | |
| 112 | int (*device_control) (int cmd, void *arg); | |
| 113 | int (*close) (unsigned int str_id); | |
| 114 | }; | |
| 115 | ||
| 116 | struct sst_runtime_stream { | |
| 117 | int stream_status; | |
| 118 | struct pcm_stream_info stream_info; | |
| 119 | struct sst_ops *ops; | |
| 120 | spinlock_t status_lock; | |
| 121 | }; | |
| 122 | ||
| 123 | struct sst_device { | |
| 124 | char *name; | |
| 125 | struct device *dev; | |
| 126 | struct sst_ops *ops; | |
| 127 | }; | |
| 128 | ||
| 129 | int sst_register_dsp(struct sst_device *sst); | |
| 130 | int sst_unregister_dsp(struct sst_device *sst); | |
| d927fdae | 131 | #endif |