Banajit Goswami | 0530e2f | 2016-12-09 21:34:37 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2011-2014, The Linux Foundation. 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 | #ifndef __Q6_USM_H__ |
| 14 | #define __Q6_USM_H__ |
| 15 | |
| 16 | #include <linux/qdsp6v2/apr_us.h> |
| 17 | |
| 18 | #define Q6USM_EVENT_UNDEF 0 |
| 19 | #define Q6USM_EVENT_READ_DONE 1 |
| 20 | #define Q6USM_EVENT_WRITE_DONE 2 |
| 21 | #define Q6USM_EVENT_SIGNAL_DETECT_RESULT 3 |
| 22 | |
| 23 | /* cyclic buffer with 1 gap support */ |
| 24 | #define USM_MIN_BUF_CNT 3 |
| 25 | |
| 26 | #define FORMAT_USPS_EPOS 0x00000000 |
| 27 | #define FORMAT_USRAW 0x00000001 |
| 28 | #define FORMAT_USPROX 0x00000002 |
| 29 | #define FORMAT_USGES_SYNC 0x00000003 |
| 30 | #define FORMAT_USRAW_SYNC 0x00000004 |
| 31 | #define INVALID_FORMAT 0xffffffff |
| 32 | |
| 33 | #define IN 0x000 |
| 34 | #define OUT 0x001 |
| 35 | |
| 36 | #define USM_WRONG_TOKEN 0xffffffff |
| 37 | #define USM_UNDEF_TOKEN 0xfffffffe |
| 38 | |
| 39 | #define CMD_CLOSE 0x0004 |
| 40 | |
| 41 | /* bit 0:1 represents priority of stream */ |
| 42 | #define STREAM_PRIORITY_NORMAL 0x0000 |
| 43 | #define STREAM_PRIORITY_LOW 0x0001 |
| 44 | #define STREAM_PRIORITY_HIGH 0x0002 |
| 45 | |
| 46 | /* bit 4 represents META enable of encoded data buffer */ |
| 47 | #define BUFFER_META_ENABLE 0x0010 |
| 48 | |
| 49 | struct us_port_data { |
| 50 | dma_addr_t phys; |
| 51 | /* cyclic region of buffers with 1 gap */ |
| 52 | void *data; |
| 53 | /* number of buffers in the region */ |
| 54 | uint32_t buf_cnt; |
| 55 | /* size of buffer */ |
| 56 | size_t buf_size; |
| 57 | /* write index */ |
| 58 | uint32_t dsp_buf; |
| 59 | /* read index */ |
| 60 | uint32_t cpu_buf; |
| 61 | /* expected token from dsp */ |
| 62 | uint32_t expected_token; |
| 63 | /* read or write locks */ |
| 64 | struct mutex lock; |
| 65 | spinlock_t dsp_lock; |
| 66 | /* ION memory handle */ |
| 67 | struct ion_handle *handle; |
| 68 | /* ION memory client */ |
| 69 | struct ion_client *client; |
| 70 | /* extended parameters, related to q6 variants */ |
| 71 | void *ext; |
| 72 | /* physical address of parameter buffer */ |
| 73 | dma_addr_t param_phys; |
| 74 | /* buffer which stores the parameter data */ |
| 75 | void *param_buf; |
| 76 | /* size of parameter buffer */ |
| 77 | uint32_t param_buf_size; |
| 78 | /* parameter buffer memory handle */ |
| 79 | void *param_buf_mem_handle; |
| 80 | /* ION memory handle for parameter buffer */ |
| 81 | struct ion_handle *param_handle; |
| 82 | /* ION memory client for parameter buffer */ |
| 83 | struct ion_client *param_client; |
| 84 | }; |
| 85 | |
| 86 | struct us_client { |
| 87 | int session; |
| 88 | /* idx:1 out port, 0: in port*/ |
| 89 | struct us_port_data port[2]; |
| 90 | |
| 91 | struct apr_svc *apr; |
| 92 | struct mutex cmd_lock; |
| 93 | |
| 94 | atomic_t cmd_state; |
| 95 | atomic_t eos_state; |
| 96 | wait_queue_head_t cmd_wait; |
| 97 | |
| 98 | void (*cb)(uint32_t, uint32_t, uint32_t *, void *); |
| 99 | void *priv; |
| 100 | }; |
| 101 | |
| 102 | int q6usm_run(struct us_client *usc, uint32_t flags, |
| 103 | uint32_t msw_ts, uint32_t lsw_ts); |
| 104 | int q6usm_cmd(struct us_client *usc, int cmd); |
| 105 | int q6usm_us_client_buf_alloc(unsigned int dir, struct us_client *usc, |
| 106 | unsigned int bufsz, unsigned int bufcnt); |
| 107 | int q6usm_us_param_buf_alloc(unsigned int dir, struct us_client *usc, |
| 108 | unsigned int bufsz); |
| 109 | int q6usm_enc_cfg_blk(struct us_client *usc, struct us_encdec_cfg *us_cfg); |
| 110 | int q6usm_dec_cfg_blk(struct us_client *usc, struct us_encdec_cfg *us_cfg); |
| 111 | int q6usm_read(struct us_client *usc, uint32_t read_ind); |
| 112 | struct us_client *q6usm_us_client_alloc( |
| 113 | void (*cb)(uint32_t, uint32_t, uint32_t *, void *), |
| 114 | void *priv); |
| 115 | int q6usm_open_read(struct us_client *usc, uint32_t format); |
| 116 | void q6usm_us_client_free(struct us_client *usc); |
| 117 | uint32_t q6usm_get_virtual_address(int dir, struct us_client *usc, |
| 118 | struct vm_area_struct *vms); |
| 119 | int q6usm_open_write(struct us_client *usc, uint32_t format); |
| 120 | int q6usm_write(struct us_client *usc, uint32_t write_ind); |
| 121 | bool q6usm_is_write_buf_full(struct us_client *usc, uint32_t *free_region); |
| 122 | int q6usm_set_us_detection(struct us_client *usc, |
| 123 | struct usm_session_cmd_detect_info *detect_info, |
| 124 | uint16_t detect_info_size); |
| 125 | int q6usm_set_us_stream_param(int dir, struct us_client *usc, |
| 126 | uint32_t module_id, uint32_t param_id, uint32_t buf_size); |
| 127 | int q6usm_get_us_stream_param(int dir, struct us_client *usc, |
| 128 | uint32_t module_id, uint32_t param_id, uint32_t buf_size); |
| 129 | |
| 130 | #endif /* __Q6_USM_H__ */ |