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