1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef __Q6APM_H__ 3#define __Q6APM_H__ 4#include <linux/types.h> 5#include <linux/slab.h> 6#include <linux/wait.h> 7#include <linux/kernel.h> 8#include <linux/module.h> 9#include <linux/sched.h> 10#include <linux/of.h> 11#include <linux/delay.h> 12#include <sound/soc.h> 13#include <linux/of_platform.h> 14#include <linux/jiffies.h> 15#include <linux/soc/qcom/apr.h> 16#include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h> 17#include "audioreach.h" 18 19#define APM_PORT_MAX 127 20#define APM_PORT_MAX_AUDIO_CHAN_CNT 8 21#define PCM_CHANNEL_NULL 0 22#define PCM_CHANNEL_FL 1 /* Front left channel. */ 23#define PCM_CHANNEL_FR 2 /* Front right channel. */ 24#define PCM_CHANNEL_FC 3 /* Front center channel. */ 25#define PCM_CHANNEL_LS 4 /* Left surround channel. */ 26#define PCM_CHANNEL_RS 5 /* Right surround channel. */ 27#define PCM_CHANNEL_LFE 6 /* Low frequency effect channel. */ 28#define PCM_CHANNEL_CS 7 /* Center surround channel; Rear center ch */ 29#define PCM_CHANNEL_LB 8 /* Left back channel; Rear left channel. */ 30#define PCM_CHANNEL_RB 9 /* Right back channel; Rear right channel. */ 31#define PCM_CHANNELS 10 /* Top surround channel. */ 32 33#define APM_TIMESTAMP_FLAG 0x80000000 34#define FORMAT_LINEAR_PCM 0x0000 35/* APM client callback events */ 36#define APM_CMD_EOS 0x0003 37#define APM_CLIENT_EVENT_CMD_EOS_DONE 0x1003 38#define APM_CMD_CLOSE 0x0004 39#define APM_CLIENT_EVENT_CMD_CLOSE_DONE 0x1004 40#define APM_CLIENT_EVENT_CMD_RUN_DONE 0x1008 41#define APM_CLIENT_EVENT_DATA_WRITE_DONE 0x1009 42#define APM_CLIENT_EVENT_DATA_READ_DONE 0x100a 43#define APM_WRITE_TOKEN_MASK GENMASK(15, 0) 44#define APM_WRITE_TOKEN_LEN_MASK GENMASK(31, 16) 45#define APM_WRITE_TOKEN_LEN_SHIFT 16 46 47#define APM_MAX_SESSIONS 8 48#define APM_LAST_BUFFER_FLAG BIT(30) 49#define NO_TIMESTAMP 0xFF00 50 51struct q6apm { 52 struct device *dev; 53 gpr_port_t *port; 54 gpr_device_t *gdev; 55 /* For Graph OPEN/START/STOP/CLOSE operations */ 56 wait_queue_head_t wait; 57 struct gpr_ibasic_rsp_result_t result; 58 59 struct mutex cmd_lock; 60 struct mutex lock; 61 uint32_t state; 62 63 struct list_head widget_list; 64 struct idr graph_idr; 65 struct idr graph_info_idr; 66 struct idr sub_graphs_idr; 67 struct idr containers_idr; 68 struct idr modules_idr; 69}; 70 71struct audio_buffer { 72 phys_addr_t phys; 73 uint32_t size; /* size of buffer */ 74}; 75 76struct audioreach_graph_data { 77 struct audio_buffer *buf; 78 uint32_t num_periods; 79 uint32_t dsp_buf; 80 uint32_t mem_map_handle; 81}; 82 83struct audioreach_graph { 84 struct audioreach_graph_info *info; 85 uint32_t id; 86 int state; 87 int start_count; 88 /* Cached Graph data */ 89 void *graph; 90 struct kref refcount; 91 struct q6apm *apm; 92}; 93 94typedef void (*q6apm_cb) (uint32_t opcode, uint32_t token, 95 void *payload, void *priv); 96struct q6apm_graph { 97 void *priv; 98 q6apm_cb cb; 99 uint32_t id; 100 struct device *dev; 101 struct q6apm *apm; 102 gpr_port_t *port; 103 struct audioreach_graph_data rx_data; 104 struct audioreach_graph_data tx_data; 105 struct gpr_ibasic_rsp_result_t result; 106 wait_queue_head_t cmd_wait; 107 struct mutex lock; 108 struct audioreach_graph *ar_graph; 109 struct audioreach_graph_info *info; 110}; 111 112/* Graph Operations */ 113struct q6apm_graph *q6apm_graph_open(struct device *dev, q6apm_cb cb, 114 void *priv, int graph_id); 115int q6apm_graph_close(struct q6apm_graph *graph); 116int q6apm_graph_prepare(struct q6apm_graph *graph); 117int q6apm_graph_start(struct q6apm_graph *graph); 118int q6apm_graph_stop(struct q6apm_graph *graph); 119int q6apm_graph_flush(struct q6apm_graph *graph); 120 121/* Media Format */ 122int q6apm_graph_media_format_pcm(struct q6apm_graph *graph, 123 struct audioreach_module_config *cfg); 124 125int q6apm_graph_media_format_shmem(struct q6apm_graph *graph, 126 struct audioreach_module_config *cfg); 127 128/* read/write related */ 129int q6apm_read(struct q6apm_graph *graph); 130int q6apm_write_async(struct q6apm_graph *graph, uint32_t len, uint32_t msw_ts, 131 uint32_t lsw_ts, uint32_t wflags); 132 133/* Memory Map related */ 134int q6apm_map_memory_regions(struct q6apm_graph *graph, 135 unsigned int dir, phys_addr_t phys, 136 size_t period_sz, unsigned int periods); 137int q6apm_unmap_memory_regions(struct q6apm_graph *graph, 138 unsigned int dir); 139/* Helpers */ 140int q6apm_send_cmd_sync(struct q6apm *apm, struct gpr_pkt *pkt, 141 uint32_t rsp_opcode); 142 143/* Callback for graph specific */ 144struct audioreach_module *q6apm_find_module_by_mid(struct q6apm_graph *graph, 145 uint32_t mid); 146int q6apm_graph_get_rx_shmem_module_iid(struct q6apm_graph *graph); 147 148bool q6apm_is_adsp_ready(void); 149 150int q6apm_enable_compress_module(struct device *dev, struct q6apm_graph *graph, bool en); 151int q6apm_remove_initial_silence(struct device *dev, struct q6apm_graph *graph, uint32_t samples); 152int q6apm_remove_trailing_silence(struct device *dev, struct q6apm_graph *graph, uint32_t samples); 153int q6apm_set_real_module_id(struct device *dev, struct q6apm_graph *graph, uint32_t codec_id); 154#endif /* __APM_GRAPH_ */ 155