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 49 struct 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 68 struct audio_buffer { 69 phys_addr_t phys; 70 uint32_t size; /* size of buffer */ 71 }; 72 73 struct 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 80 struct 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 91 typedef void (*q6apm_cb) (uint32_t opcode, uint32_t token, 92 void *payload, void *priv); 93 struct 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 */ 110 struct q6apm_graph *q6apm_graph_open(struct device *dev, q6apm_cb cb, 111 void *priv, int graph_id); 112 int q6apm_graph_close(struct q6apm_graph *graph); 113 int q6apm_graph_prepare(struct q6apm_graph *graph); 114 int q6apm_graph_start(struct q6apm_graph *graph); 115 int q6apm_graph_stop(struct q6apm_graph *graph); 116 int q6apm_graph_flush(struct q6apm_graph *graph); 117 118 /* Media Format */ 119 int q6apm_graph_media_format_pcm(struct q6apm_graph *graph, 120 struct audioreach_module_config *cfg); 121 122 int q6apm_graph_media_format_shmem(struct q6apm_graph *graph, 123 struct audioreach_module_config *cfg); 124 125 /* read/write related */ 126 int q6apm_send_eos_nowait(struct q6apm_graph *graph); 127 int q6apm_read(struct q6apm_graph *graph); 128 int 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 */ 132 int q6apm_map_memory_regions(struct q6apm_graph *graph, 133 unsigned int dir, phys_addr_t phys, 134 size_t period_sz, unsigned int periods); 135 int q6apm_unmap_memory_regions(struct q6apm_graph *graph, 136 unsigned int dir); 137 /* Helpers */ 138 int q6apm_send_cmd_sync(struct q6apm *apm, struct gpr_pkt *pkt, 139 uint32_t rsp_opcode); 140 141 /* Callback for graph specific */ 142 struct audioreach_module *q6apm_find_module_by_mid(struct q6apm_graph *graph, 143 uint32_t mid); 144 145 void q6apm_set_fe_dai_ops(struct snd_soc_dai_driver *dai_drv); 146 int q6apm_connect_sub_graphs(struct q6apm *apm, u32 src_sgid, u32 dst_sgid, 147 bool connect); 148 bool q6apm_is_sub_graphs_connected(struct q6apm *apm, u32 src_sgid, 149 u32 dst_sgid); 150 int q6apm_graph_get_rx_shmem_module_iid(struct q6apm_graph *graph); 151 152 #endif /* __APM_GRAPH_ */ 153