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 list_head widget_list; 62 struct idr graph_idr; 63 struct idr graph_info_idr; 64 struct idr sub_graphs_idr; 65 struct idr containers_idr; 66 struct idr modules_idr; 67 }; 68 69 struct audio_buffer { 70 phys_addr_t phys; 71 uint32_t size; /* size of buffer */ 72 }; 73 74 struct audioreach_graph_data { 75 struct audio_buffer *buf; 76 uint32_t num_periods; 77 uint32_t dsp_buf; 78 uint32_t mem_map_handle; 79 }; 80 81 struct audioreach_graph { 82 struct audioreach_graph_info *info; 83 uint32_t id; 84 int state; 85 int start_count; 86 /* Cached Graph data */ 87 void *graph; 88 struct kref refcount; 89 struct q6apm *apm; 90 }; 91 92 typedef void (*q6apm_cb) (uint32_t opcode, uint32_t token, 93 void *payload, void *priv); 94 struct q6apm_graph { 95 void *priv; 96 q6apm_cb cb; 97 uint32_t id; 98 struct device *dev; 99 struct q6apm *apm; 100 gpr_port_t *port; 101 struct audioreach_graph_data rx_data; 102 struct audioreach_graph_data tx_data; 103 struct gpr_ibasic_rsp_result_t result; 104 wait_queue_head_t cmd_wait; 105 struct mutex lock; 106 struct audioreach_graph *ar_graph; 107 struct audioreach_graph_info *info; 108 }; 109 110 /* Graph Operations */ 111 struct q6apm_graph *q6apm_graph_open(struct device *dev, q6apm_cb cb, 112 void *priv, int graph_id); 113 int q6apm_graph_close(struct q6apm_graph *graph); 114 int q6apm_graph_prepare(struct q6apm_graph *graph); 115 int q6apm_graph_start(struct q6apm_graph *graph); 116 int q6apm_graph_stop(struct q6apm_graph *graph); 117 int q6apm_graph_flush(struct q6apm_graph *graph); 118 119 /* Media Format */ 120 int q6apm_graph_media_format_pcm(struct q6apm_graph *graph, 121 struct audioreach_module_config *cfg); 122 123 int q6apm_graph_media_format_shmem(struct q6apm_graph *graph, 124 struct audioreach_module_config *cfg); 125 126 /* read/write related */ 127 int q6apm_send_eos_nowait(struct q6apm_graph *graph); 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 void q6apm_set_fe_dai_ops(struct snd_soc_dai_driver *dai_drv); 146 int q6apm_graph_get_rx_shmem_module_iid(struct q6apm_graph *graph); 147 148 #endif /* __APM_GRAPH_ */ 149