q6apm.h (4744B)
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 49struct q6apm { 50 struct device *dev; 51 gpr_port_t *port; 52 gpr_device_t *gdev; 53 /* For Graph OPEN/START/STOP/CLOSE operations */ 54 wait_queue_head_t wait; 55 struct gpr_ibasic_rsp_result_t result; 56 57 struct mutex cmd_lock; 58 struct mutex lock; 59 uint32_t state; 60 61 struct idr graph_idr; 62 struct idr graph_info_idr; 63 struct idr sub_graphs_idr; 64 struct idr containers_idr; 65 struct idr modules_idr; 66}; 67 68struct audio_buffer { 69 phys_addr_t phys; 70 uint32_t size; /* size of buffer */ 71}; 72 73struct audioreach_graph_data { 74 struct audio_buffer *buf; 75 uint32_t num_periods; 76 uint32_t dsp_buf; 77 uint32_t mem_map_handle; 78}; 79 80struct audioreach_graph { 81 struct audioreach_graph_info *info; 82 uint32_t id; 83 int state; 84 int start_count; 85 /* Cached Graph data */ 86 void *graph; 87 struct kref refcount; 88 struct q6apm *apm; 89}; 90 91typedef void (*q6apm_cb) (uint32_t opcode, uint32_t token, 92 void *payload, void *priv); 93struct q6apm_graph { 94 void *priv; 95 q6apm_cb cb; 96 uint32_t id; 97 struct device *dev; 98 struct q6apm *apm; 99 gpr_port_t *port; 100 struct audioreach_graph_data rx_data; 101 struct audioreach_graph_data tx_data; 102 struct gpr_ibasic_rsp_result_t result; 103 wait_queue_head_t cmd_wait; 104 struct mutex lock; 105 struct audioreach_graph *ar_graph; 106 struct audioreach_graph_info *info; 107}; 108 109/* Graph Operations */ 110struct q6apm_graph *q6apm_graph_open(struct device *dev, q6apm_cb cb, 111 void *priv, int graph_id); 112int q6apm_graph_close(struct q6apm_graph *graph); 113int q6apm_graph_prepare(struct q6apm_graph *graph); 114int q6apm_graph_start(struct q6apm_graph *graph); 115int q6apm_graph_stop(struct q6apm_graph *graph); 116int q6apm_graph_flush(struct q6apm_graph *graph); 117 118/* Media Format */ 119int q6apm_graph_media_format_pcm(struct q6apm_graph *graph, 120 struct audioreach_module_config *cfg); 121 122int q6apm_graph_media_format_shmem(struct q6apm_graph *graph, 123 struct audioreach_module_config *cfg); 124 125/* read/write related */ 126int q6apm_send_eos_nowait(struct q6apm_graph *graph); 127int q6apm_read(struct q6apm_graph *graph); 128int q6apm_write_async(struct q6apm_graph *graph, uint32_t len, uint32_t msw_ts, 129 uint32_t lsw_ts, uint32_t wflags); 130 131/* Memory Map related */ 132int q6apm_map_memory_regions(struct q6apm_graph *graph, 133 unsigned int dir, phys_addr_t phys, 134 size_t period_sz, unsigned int periods); 135int q6apm_unmap_memory_regions(struct q6apm_graph *graph, 136 unsigned int dir); 137/* Helpers */ 138int q6apm_send_cmd_sync(struct q6apm *apm, struct gpr_pkt *pkt, 139 uint32_t rsp_opcode); 140 141/* Callback for graph specific */ 142struct audioreach_module *q6apm_find_module_by_mid(struct q6apm_graph *graph, 143 uint32_t mid); 144 145void q6apm_set_fe_dai_ops(struct snd_soc_dai_driver *dai_drv); 146int q6apm_connect_sub_graphs(struct q6apm *apm, u32 src_sgid, u32 dst_sgid, 147 bool connect); 148bool q6apm_is_sub_graphs_connected(struct q6apm *apm, u32 src_sgid, 149 u32 dst_sgid); 150int q6apm_graph_get_rx_shmem_module_iid(struct q6apm_graph *graph); 151 152#endif /* __APM_GRAPH_ */