1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __Q6APM_H__ 3 #define __Q6APM_H__ 4 #include <linux/types.h> 5 #include <linux/atomic.h> 6 #include <linux/slab.h> 7 #include <linux/wait.h> 8 #include <linux/kernel.h> 9 #include <linux/module.h> 10 #include <linux/sched.h> 11 #include <linux/of.h> 12 #include <linux/delay.h> 13 #include <sound/soc.h> 14 #include <linux/of_platform.h> 15 #include <linux/jiffies.h> 16 #include <linux/soc/qcom/apr.h> 17 #include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h> 18 #include "audioreach.h" 19 20 #define APM_PORT_MAX 127 21 #define APM_PORT_MAX_AUDIO_CHAN_CNT 8 22 #define PCM_CHANNEL_NULL 0 23 #define PCM_CHANNEL_FL 1 /* Front left channel. */ 24 #define PCM_CHANNEL_FR 2 /* Front right channel. */ 25 #define PCM_CHANNEL_FC 3 /* Front center channel. */ 26 #define PCM_CHANNEL_LS 4 /* Left surround channel. */ 27 #define PCM_CHANNEL_RS 5 /* Right surround channel. */ 28 #define PCM_CHANNEL_LFE 6 /* Low frequency effect channel. */ 29 #define PCM_CHANNEL_CS 7 /* Center surround channel; Rear center ch */ 30 #define PCM_CHANNEL_LB 8 /* Left back channel; Rear left channel. */ 31 #define PCM_CHANNEL_RB 9 /* Right back channel; Rear right channel. */ 32 #define PCM_CHANNELS 10 /* Top surround channel. */ 33 34 #define APM_TIMESTAMP_FLAG 0x80000000 35 #define FORMAT_LINEAR_PCM 0x0000 36 /* APM client callback events */ 37 #define APM_CMD_EOS 0x0003 38 #define APM_CLIENT_EVENT_CMD_EOS_DONE 0x1003 39 #define APM_CMD_CLOSE 0x0004 40 #define APM_CLIENT_EVENT_CMD_CLOSE_DONE 0x1004 41 #define APM_CLIENT_EVENT_CMD_RUN_DONE 0x1008 42 #define APM_CLIENT_EVENT_DATA_WRITE_DONE 0x1009 43 #define APM_CLIENT_EVENT_DATA_READ_DONE 0x100a 44 #define APM_WRITE_TOKEN_MASK GENMASK(15, 0) 45 #define APM_WRITE_TOKEN_LEN_MASK GENMASK(31, 16) 46 #define APM_WRITE_TOKEN_LEN_SHIFT 16 47 48 #define APM_MAX_SESSIONS 8 49 #define APM_LAST_BUFFER_FLAG BIT(30) 50 #define NO_TIMESTAMP 0xFF00 51 52 struct q6apm { 53 struct device *dev; 54 gpr_port_t *port; 55 gpr_device_t *gdev; 56 /* For Graph OPEN/START/STOP/CLOSE operations */ 57 wait_queue_head_t wait; 58 struct gpr_ibasic_rsp_result_t result; 59 60 struct mutex cmd_lock; 61 struct mutex lock; 62 uint32_t state; 63 64 struct list_head widget_list; 65 struct idr graph_idr; 66 struct idr graph_info_idr; 67 struct idr sub_graphs_idr; 68 struct idr containers_idr; 69 struct idr modules_idr; 70 }; 71 72 struct audio_buffer { 73 phys_addr_t phys; 74 uint32_t size; /* size of buffer */ 75 }; 76 77 struct audioreach_graph_data { 78 struct audio_buffer *buf; 79 uint32_t num_periods; 80 uint32_t dsp_buf; 81 uint32_t mem_map_handle; 82 atomic_t hw_ptr; 83 }; 84 85 struct audioreach_graph { 86 struct audioreach_graph_info *info; 87 uint32_t id; 88 int state; 89 int start_count; 90 /* Cached Graph data */ 91 void *graph; 92 struct kref refcount; 93 struct q6apm *apm; 94 }; 95 96 typedef void (*q6apm_cb) (uint32_t opcode, uint32_t token, 97 void *payload, void *priv); 98 struct q6apm_graph { 99 void *priv; 100 q6apm_cb cb; 101 uint32_t id; 102 struct device *dev; 103 struct q6apm *apm; 104 gpr_port_t *port; 105 struct audioreach_graph_data rx_data; 106 struct audioreach_graph_data tx_data; 107 struct gpr_ibasic_rsp_result_t result; 108 wait_queue_head_t cmd_wait; 109 struct mutex lock; 110 struct audioreach_graph *ar_graph; 111 struct audioreach_graph_info *info; 112 }; 113 114 /* Graph Operations */ 115 struct q6apm_graph *q6apm_graph_open(struct device *dev, q6apm_cb cb, 116 void *priv, int graph_id); 117 int q6apm_graph_close(struct q6apm_graph *graph); 118 int q6apm_graph_prepare(struct q6apm_graph *graph); 119 int q6apm_graph_start(struct q6apm_graph *graph); 120 int q6apm_graph_stop(struct q6apm_graph *graph); 121 int q6apm_graph_flush(struct q6apm_graph *graph); 122 123 /* Media Format */ 124 int q6apm_graph_media_format_pcm(struct q6apm_graph *graph, 125 struct audioreach_module_config *cfg); 126 127 int q6apm_graph_media_format_shmem(struct q6apm_graph *graph, 128 struct audioreach_module_config *cfg); 129 130 /* read/write related */ 131 int q6apm_read(struct q6apm_graph *graph); 132 int q6apm_write_async(struct q6apm_graph *graph, uint32_t len, uint32_t msw_ts, 133 uint32_t lsw_ts, uint32_t wflags); 134 135 /* Memory Map related */ 136 int q6apm_map_memory_regions(struct q6apm_graph *graph, 137 unsigned int dir, phys_addr_t phys, 138 size_t period_sz, unsigned int periods); 139 int q6apm_unmap_memory_regions(struct q6apm_graph *graph, 140 unsigned int dir); 141 /* Helpers */ 142 int q6apm_send_cmd_sync(struct q6apm *apm, struct gpr_pkt *pkt, 143 uint32_t rsp_opcode); 144 145 /* Callback for graph specific */ 146 struct audioreach_module *q6apm_find_module_by_mid(struct q6apm_graph *graph, 147 uint32_t mid); 148 int q6apm_graph_get_rx_shmem_module_iid(struct q6apm_graph *graph); 149 150 bool q6apm_is_adsp_ready(void); 151 152 int q6apm_enable_compress_module(struct device *dev, struct q6apm_graph *graph, bool en); 153 int q6apm_remove_initial_silence(struct device *dev, struct q6apm_graph *graph, uint32_t samples); 154 int q6apm_remove_trailing_silence(struct device *dev, struct q6apm_graph *graph, uint32_t samples); 155 int q6apm_set_real_module_id(struct device *dev, struct q6apm_graph *graph, uint32_t codec_id); 156 int q6apm_get_hw_pointer(struct q6apm_graph *graph, int dir); 157 #endif /* __APM_GRAPH_ */ 158