| Harmandeep Singh | e5ddfe3 | 2012-05-26 09:39:25 -0700 | [diff] [blame^] | 1 | /* Copyright (c) 2012, Code Aurora Forum. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #include <linux/module.h> |
| 15 | #include <linux/fs.h> |
| 16 | #include <linux/miscdevice.h> |
| 17 | #include <linux/uaccess.h> |
| 18 | #include <linux/sched.h> |
| 19 | #include <linux/wait.h> |
| 20 | #include <linux/dma-mapping.h> |
| 21 | #include <linux/slab.h> |
| 22 | #include <asm/atomic.h> |
| 23 | #include <asm/ioctls.h> |
| 24 | #include "audio_utils.h" |
| 25 | |
| 26 | void q6asm_in_cb(uint32_t opcode, uint32_t token, |
| 27 | uint32_t *payload, void *priv) |
| 28 | { |
| 29 | struct q6audio_in *audio = (struct q6audio_in *)priv; |
| 30 | unsigned long flags; |
| 31 | |
| 32 | pr_debug("%s:session id %d: opcode[0x%x]\n", __func__, |
| 33 | audio->ac->session, opcode); |
| 34 | |
| 35 | spin_lock_irqsave(&audio->dsp_lock, flags); |
| 36 | switch (opcode) { |
| 37 | case ASM_DATA_EVENT_READ_DONE_V2: |
| 38 | audio_in_get_dsp_frames(audio, token, payload); |
| 39 | break; |
| 40 | case ASM_DATA_EVENT_WRITE_DONE_V2: |
| 41 | atomic_inc(&audio->in_count); |
| 42 | wake_up(&audio->write_wait); |
| 43 | break; |
| 44 | case ASM_DATA_EVENT_RENDERED_EOS: |
| 45 | audio->eos_rsp = 1; |
| 46 | wake_up(&audio->read_wait); |
| 47 | break; |
| 48 | case ASM_STREAM_CMDRSP_GET_PP_PARAMS_V2: |
| 49 | break; |
| 50 | case ASM_SESSION_EVENTX_OVERFLOW: |
| 51 | pr_err("%s:session id %d: ASM_SESSION_EVENT_TX_OVERFLOW\n", |
| 52 | __func__, audio->ac->session); |
| 53 | break; |
| 54 | default: |
| 55 | pr_debug("%s:session id %d: Ignore opcode[0x%x]\n", __func__, |
| 56 | audio->ac->session, opcode); |
| 57 | break; |
| 58 | } |
| 59 | spin_unlock_irqrestore(&audio->dsp_lock, flags); |
| 60 | } |
| 61 | |
| 62 | void audio_in_get_dsp_frames(void *priv, |
| 63 | uint32_t token, uint32_t *payload) |
| 64 | { |
| 65 | struct q6audio_in *audio = (struct q6audio_in *)priv; |
| 66 | uint32_t index; |
| 67 | |
| 68 | index = token; |
| 69 | pr_debug("%s:session id %d: index=%d nr frames=%d offset[%d]\n", |
| 70 | __func__, audio->ac->session, token, payload[9], |
| 71 | payload[5]); |
| 72 | pr_debug("%s:session id %d: timemsw=%d lsw=%d\n", __func__, |
| 73 | audio->ac->session, payload[7], payload[6]); |
| 74 | pr_debug("%s:session id %d: uflags=0x%8x uid=0x%8x\n", __func__, |
| 75 | audio->ac->session, payload[8], payload[10]); |
| 76 | pr_debug("%s:session id %d: enc_framesotal_size=0x%8x\n", __func__, |
| 77 | audio->ac->session, payload[4]); |
| 78 | |
| 79 | audio->out_frame_info[index][0] = payload[9]; |
| 80 | audio->out_frame_info[index][1] = payload[5]; |
| 81 | |
| 82 | /* statistics of read */ |
| 83 | atomic_add(payload[4], &audio->in_bytes); |
| 84 | atomic_add(payload[9], &audio->in_samples); |
| 85 | |
| 86 | if (atomic_read(&audio->out_count) <= audio->str_cfg.buffer_count) { |
| 87 | atomic_inc(&audio->out_count); |
| 88 | wake_up(&audio->read_wait); |
| 89 | } |
| 90 | } |