diff options
Diffstat (limited to 'sound/soc/qcom/qdsp6/q6apm.c')
| -rw-r--r-- | sound/soc/qcom/qdsp6/q6apm.c | 822 |
1 files changed, 822 insertions, 0 deletions
diff --git a/sound/soc/qcom/qdsp6/q6apm.c b/sound/soc/qcom/qdsp6/q6apm.c new file mode 100644 index 000000000000..13598ef5bacb --- /dev/null +++ b/sound/soc/qcom/qdsp6/q6apm.c @@ -0,0 +1,822 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2020, Linaro Limited + +#include <dt-bindings/soc/qcom,gpr.h> +#include <linux/delay.h> +#include <linux/jiffies.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_platform.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/soc/qcom/apr.h> +#include <linux/wait.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/pcm.h> +#include "audioreach.h" +#include "q6apm.h" + +/* Graph Management */ +struct apm_graph_mgmt_cmd { + struct apm_module_param_data param_data; + uint32_t num_sub_graphs; + uint32_t sub_graph_id_list[]; +} __packed; + +#define APM_GRAPH_MGMT_PSIZE(p, n) ALIGN(struct_size(p, sub_graph_id_list, n), 8) + +int q6apm_send_cmd_sync(struct q6apm *apm, struct gpr_pkt *pkt, uint32_t rsp_opcode) +{ + gpr_device_t *gdev = apm->gdev; + + return audioreach_send_cmd_sync(&gdev->dev, gdev, &apm->result, &apm->lock, + NULL, &apm->wait, pkt, rsp_opcode); +} + +static struct audioreach_graph *q6apm_get_audioreach_graph(struct q6apm *apm, uint32_t graph_id) +{ + struct audioreach_graph_info *info; + struct audioreach_graph *graph; + int id; + + mutex_lock(&apm->lock); + graph = idr_find(&apm->graph_idr, graph_id); + mutex_unlock(&apm->lock); + + if (graph) { + kref_get(&graph->refcount); + return graph; + } + + info = idr_find(&apm->graph_info_idr, graph_id); + + if (!info) + return ERR_PTR(-ENODEV); + + graph = kzalloc(sizeof(*graph), GFP_KERNEL); + if (!graph) + return ERR_PTR(-ENOMEM); + + graph->apm = apm; + graph->info = info; + graph->id = graph_id; + + graph->graph = audioreach_alloc_graph_pkt(apm, &info->sg_list, graph_id); + if (IS_ERR(graph->graph)) { + void *err = graph->graph; + + kfree(graph); + return ERR_CAST(err); + } + + mutex_lock(&apm->lock); + id = idr_alloc(&apm->graph_idr, graph, graph_id, graph_id + 1, GFP_KERNEL); + if (id < 0) { + dev_err(apm->dev, "Unable to allocate graph id (%d)\n", graph_id); + kfree(graph); + mutex_unlock(&apm->lock); + return ERR_PTR(id); + } + mutex_unlock(&apm->lock); + + kref_init(&graph->refcount); + + q6apm_send_cmd_sync(apm, graph->graph, 0); + + return graph; +} + +static int audioreach_graph_mgmt_cmd(struct audioreach_graph *graph, uint32_t opcode) +{ + struct audioreach_graph_info *info = graph->info; + int num_sub_graphs = info->num_sub_graphs; + struct apm_module_param_data *param_data; + struct apm_graph_mgmt_cmd *mgmt_cmd; + struct audioreach_sub_graph *sg; + struct q6apm *apm = graph->apm; + int i = 0, rc, payload_size; + struct gpr_pkt *pkt; + + payload_size = APM_GRAPH_MGMT_PSIZE(mgmt_cmd, num_sub_graphs); + + pkt = audioreach_alloc_apm_cmd_pkt(payload_size, opcode, 0); + if (IS_ERR(pkt)) + return PTR_ERR(pkt); + + mgmt_cmd = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE; + + mgmt_cmd->num_sub_graphs = num_sub_graphs; + + param_data = &mgmt_cmd->param_data; + param_data->module_instance_id = APM_MODULE_INSTANCE_ID; + param_data->param_id = APM_PARAM_ID_SUB_GRAPH_LIST; + param_data->param_size = payload_size - APM_MODULE_PARAM_DATA_SIZE; + + list_for_each_entry(sg, &info->sg_list, node) + mgmt_cmd->sub_graph_id_list[i++] = sg->sub_graph_id; + + rc = q6apm_send_cmd_sync(apm, pkt, 0); + + kfree(pkt); + + return rc; +} + +static void q6apm_put_audioreach_graph(struct kref *ref) +{ + struct audioreach_graph *graph; + struct q6apm *apm; + + graph = container_of(ref, struct audioreach_graph, refcount); + apm = graph->apm; + + audioreach_graph_mgmt_cmd(graph, APM_CMD_GRAPH_CLOSE); + + mutex_lock(&apm->lock); + graph = idr_remove(&apm->graph_idr, graph->id); + mutex_unlock(&apm->lock); + + kfree(graph->graph); + kfree(graph); +} + +static int q6apm_get_apm_state(struct q6apm *apm) +{ + struct gpr_pkt *pkt; + + pkt = audioreach_alloc_apm_cmd_pkt(0, APM_CMD_GET_SPF_STATE, 0); + if (IS_ERR(pkt)) + return PTR_ERR(pkt); + + q6apm_send_cmd_sync(apm, pkt, APM_CMD_RSP_GET_SPF_STATE); + + kfree(pkt); + + return apm->state; +} + +static struct audioreach_module *__q6apm_find_module_by_mid(struct q6apm *apm, + struct audioreach_graph_info *info, + uint32_t mid) +{ + struct audioreach_container *container; + struct audioreach_sub_graph *sgs; + struct audioreach_module *module; + + list_for_each_entry(sgs, &info->sg_list, node) { + list_for_each_entry(container, &sgs->container_list, node) { + list_for_each_entry(module, &container->modules_list, node) { + if (mid == module->module_id) + return module; + } + } + } + + return NULL; +} + +static struct audioreach_module *q6apm_graph_get_last_module(struct q6apm *apm, u32 sgid) +{ + struct audioreach_container *container; + struct audioreach_module *module; + struct audioreach_sub_graph *sg; + + mutex_lock(&apm->lock); + sg = idr_find(&apm->sub_graphs_idr, sgid); + mutex_unlock(&apm->lock); + if (!sg) + return NULL; + + container = list_last_entry(&sg->container_list, struct audioreach_container, node); + module = audioreach_get_container_last_module(container); + + return module; +} + +static struct audioreach_module *q6apm_graph_get_first_module(struct q6apm *apm, u32 sgid) +{ + struct audioreach_container *container; + struct audioreach_module *module; + struct audioreach_sub_graph *sg; + + mutex_lock(&apm->lock); + sg = idr_find(&apm->sub_graphs_idr, sgid); + mutex_unlock(&apm->lock); + if (!sg) + return NULL; + + container = list_first_entry(&sg->container_list, struct audioreach_container, node); + module = audioreach_get_container_first_module(container); + + return module; +} + +bool q6apm_is_sub_graphs_connected(struct q6apm *apm, u32 src_sgid, u32 dst_sgid) +{ + struct audioreach_module *module; + u32 iid; + + module = q6apm_graph_get_last_module(apm, src_sgid); + if (!module) + return false; + + iid = module->instance_id; + module = q6apm_graph_get_first_module(apm, dst_sgid); + if (!module) + return false; + + if (module->src_mod_inst_id == iid) + return true; + + return false; +} + +int q6apm_connect_sub_graphs(struct q6apm *apm, u32 src_sgid, u32 dst_sgid, bool connect) +{ + struct audioreach_module *module; + u32 iid; + + if (connect) { + module = q6apm_graph_get_last_module(apm, src_sgid); + if (!module) + return -ENODEV; + + iid = module->instance_id; + } else { + iid = 0; + } + + module = q6apm_graph_get_first_module(apm, dst_sgid); + if (!module) + return -ENODEV; + + /* set src module in dst subgraph first module */ + module->src_mod_inst_id = iid; + + return 0; +} + +int q6apm_graph_media_format_shmem(struct q6apm_graph *graph, + struct audioreach_module_config *cfg) +{ + struct audioreach_module *module; + + if (cfg->direction == SNDRV_PCM_STREAM_CAPTURE) + module = q6apm_find_module_by_mid(graph, MODULE_ID_RD_SHARED_MEM_EP); + else + module = q6apm_find_module_by_mid(graph, MODULE_ID_WR_SHARED_MEM_EP); + + if (!module) + return -ENODEV; + + audioreach_set_media_format(graph, module, cfg); + + return 0; + +} +EXPORT_SYMBOL_GPL(q6apm_graph_media_format_shmem); + +int q6apm_map_memory_regions(struct q6apm_graph *graph, unsigned int dir, phys_addr_t phys, + size_t period_sz, unsigned int periods) +{ + struct audioreach_graph_data *data; + struct audio_buffer *buf; + int cnt; + int rc; + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) + data = &graph->rx_data; + else + data = &graph->tx_data; + + mutex_lock(&graph->lock); + + if (data->buf) { + mutex_unlock(&graph->lock); + return 0; + } + + buf = kzalloc(((sizeof(struct audio_buffer)) * periods), GFP_KERNEL); + if (!buf) { + mutex_unlock(&graph->lock); + return -ENOMEM; + } + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) + data = &graph->rx_data; + else + data = &graph->tx_data; + + data->buf = buf; + + buf[0].phys = phys; + buf[0].size = period_sz; + + for (cnt = 1; cnt < periods; cnt++) { + if (period_sz > 0) { + buf[cnt].phys = buf[0].phys + (cnt * period_sz); + buf[cnt].size = period_sz; + } + } + data->num_periods = periods; + + mutex_unlock(&graph->lock); + + rc = audioreach_map_memory_regions(graph, dir, period_sz, periods, 1); + if (rc < 0) { + dev_err(graph->dev, "Memory_map_regions failed\n"); + audioreach_graph_free_buf(graph); + } + + return rc; +} +EXPORT_SYMBOL_GPL(q6apm_map_memory_regions); + +int q6apm_unmap_memory_regions(struct q6apm_graph *graph, unsigned int dir) +{ + struct apm_cmd_shared_mem_unmap_regions *cmd; + struct audioreach_graph_data *data; + struct gpr_pkt *pkt; + int rc; + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) + data = &graph->rx_data; + else + data = &graph->tx_data; + + if (!data->mem_map_handle) + return 0; + + pkt = audioreach_alloc_apm_pkt(sizeof(*cmd), APM_CMD_SHARED_MEM_UNMAP_REGIONS, dir, + graph->port->id); + if (IS_ERR(pkt)) + return PTR_ERR(pkt); + + cmd = (void *)pkt + GPR_HDR_SIZE; + cmd->mem_map_handle = data->mem_map_handle; + + rc = audioreach_graph_send_cmd_sync(graph, pkt, APM_CMD_SHARED_MEM_UNMAP_REGIONS); + kfree(pkt); + + audioreach_graph_free_buf(graph); + + return rc; +} +EXPORT_SYMBOL_GPL(q6apm_unmap_memory_regions); + +int q6apm_graph_media_format_pcm(struct q6apm_graph *graph, struct audioreach_module_config *cfg) +{ + struct audioreach_graph_info *info = graph->info; + struct audioreach_sub_graph *sgs; + struct audioreach_container *container; + struct audioreach_module *module; + + list_for_each_entry(sgs, &info->sg_list, node) { + list_for_each_entry(container, &sgs->container_list, node) { + list_for_each_entry(module, &container->modules_list, node) { + if ((module->module_id == MODULE_ID_WR_SHARED_MEM_EP) || + (module->module_id == MODULE_ID_RD_SHARED_MEM_EP)) + continue; + + audioreach_set_media_format(graph, module, cfg); + } + } + } + + return 0; + +} +EXPORT_SYMBOL_GPL(q6apm_graph_media_format_pcm); + +static int q6apm_graph_get_tx_shmem_module_iid(struct q6apm_graph *graph) +{ + struct audioreach_module *module; + + module = q6apm_find_module_by_mid(graph, MODULE_ID_RD_SHARED_MEM_EP); + if (!module) + return -ENODEV; + + return module->instance_id; + +} + +int q6apm_graph_get_rx_shmem_module_iid(struct q6apm_graph *graph) +{ + struct audioreach_module *module; + + module = q6apm_find_module_by_mid(graph, MODULE_ID_WR_SHARED_MEM_EP); + if (!module) + return -ENODEV; + + return module->instance_id; + +} +EXPORT_SYMBOL_GPL(q6apm_graph_get_rx_shmem_module_iid); + +int q6apm_write_async(struct q6apm_graph *graph, uint32_t len, uint32_t msw_ts, + uint32_t lsw_ts, uint32_t wflags) +{ + struct apm_data_cmd_wr_sh_mem_ep_data_buffer_v2 *write_buffer; + struct audio_buffer *ab; + struct gpr_pkt *pkt; + int rc, iid; + + iid = q6apm_graph_get_rx_shmem_module_iid(graph); + pkt = audioreach_alloc_pkt(sizeof(*write_buffer), DATA_CMD_WR_SH_MEM_EP_DATA_BUFFER_V2, + graph->rx_data.dsp_buf | (len << APM_WRITE_TOKEN_LEN_SHIFT), + graph->port->id, iid); + if (IS_ERR(pkt)) + return PTR_ERR(pkt); + + write_buffer = (void *)pkt + GPR_HDR_SIZE; + + mutex_lock(&graph->lock); + ab = &graph->rx_data.buf[graph->rx_data.dsp_buf]; + + write_buffer->buf_addr_lsw = lower_32_bits(ab->phys); + write_buffer->buf_addr_msw = upper_32_bits(ab->phys); + write_buffer->buf_size = len; + write_buffer->timestamp_lsw = lsw_ts; + write_buffer->timestamp_msw = msw_ts; + write_buffer->mem_map_handle = graph->rx_data.mem_map_handle; + write_buffer->flags = wflags; + + graph->rx_data.dsp_buf++; + + if (graph->rx_data.dsp_buf >= graph->rx_data.num_periods) + graph->rx_data.dsp_buf = 0; + + mutex_unlock(&graph->lock); + + rc = gpr_send_port_pkt(graph->port, pkt); + + kfree(pkt); + + return rc; +} +EXPORT_SYMBOL_GPL(q6apm_write_async); + +int q6apm_read(struct q6apm_graph *graph) +{ + struct data_cmd_rd_sh_mem_ep_data_buffer_v2 *read_buffer; + struct audioreach_graph_data *port; + struct audio_buffer *ab; + struct gpr_pkt *pkt; + int rc, iid; + + iid = q6apm_graph_get_tx_shmem_module_iid(graph); + pkt = audioreach_alloc_pkt(sizeof(*read_buffer), DATA_CMD_RD_SH_MEM_EP_DATA_BUFFER_V2, + graph->tx_data.dsp_buf, graph->port->id, iid); + if (IS_ERR(pkt)) + return PTR_ERR(pkt); + + read_buffer = (void *)pkt + GPR_HDR_SIZE; + + mutex_lock(&graph->lock); + port = &graph->tx_data; + ab = &port->buf[port->dsp_buf]; + + read_buffer->buf_addr_lsw = lower_32_bits(ab->phys); + read_buffer->buf_addr_msw = upper_32_bits(ab->phys); + read_buffer->mem_map_handle = port->mem_map_handle; + read_buffer->buf_size = ab->size; + + port->dsp_buf++; + + if (port->dsp_buf >= port->num_periods) + port->dsp_buf = 0; + + mutex_unlock(&graph->lock); + + rc = gpr_send_port_pkt(graph->port, pkt); + kfree(pkt); + + return rc; +} +EXPORT_SYMBOL_GPL(q6apm_read); + +static int graph_callback(struct gpr_resp_pkt *data, void *priv, int op) +{ + struct data_cmd_rsp_rd_sh_mem_ep_data_buffer_done_v2 *rd_done; + struct data_cmd_rsp_wr_sh_mem_ep_data_buffer_done_v2 *done; + struct apm_cmd_rsp_shared_mem_map_regions *rsp; + struct gpr_ibasic_rsp_result_t *result; + struct q6apm_graph *graph = priv; + struct gpr_hdr *hdr = &data->hdr; + struct device *dev = graph->dev; + uint32_t client_event; + phys_addr_t phys; + int token; + + result = data->payload; + + switch (hdr->opcode) { + case DATA_CMD_RSP_WR_SH_MEM_EP_DATA_BUFFER_DONE_V2: + client_event = APM_CLIENT_EVENT_DATA_WRITE_DONE; + mutex_lock(&graph->lock); + token = hdr->token & APM_WRITE_TOKEN_MASK; + + done = data->payload; + phys = graph->rx_data.buf[token].phys; + mutex_unlock(&graph->lock); + + if (lower_32_bits(phys) == done->buf_addr_lsw && + upper_32_bits(phys) == done->buf_addr_msw) { + graph->result.opcode = hdr->opcode; + graph->result.status = done->status; + if (graph->cb) + graph->cb(client_event, hdr->token, data->payload, graph->priv); + } else { + dev_err(dev, "WR BUFF Unexpected addr %08x-%08x\n", done->buf_addr_lsw, + done->buf_addr_msw); + } + + break; + case APM_CMD_RSP_SHARED_MEM_MAP_REGIONS: + graph->result.opcode = hdr->opcode; + graph->result.status = 0; + rsp = data->payload; + + if (hdr->token == SNDRV_PCM_STREAM_PLAYBACK) + graph->rx_data.mem_map_handle = rsp->mem_map_handle; + else + graph->tx_data.mem_map_handle = rsp->mem_map_handle; + + wake_up(&graph->cmd_wait); + break; + case DATA_CMD_RSP_RD_SH_MEM_EP_DATA_BUFFER_V2: + client_event = APM_CLIENT_EVENT_DATA_READ_DONE; + mutex_lock(&graph->lock); + rd_done = data->payload; + phys = graph->tx_data.buf[hdr->token].phys; + mutex_unlock(&graph->lock); + + if (upper_32_bits(phys) == rd_done->buf_addr_msw && + lower_32_bits(phys) == rd_done->buf_addr_lsw) { + graph->result.opcode = hdr->opcode; + graph->result.status = rd_done->status; + if (graph->cb) + graph->cb(client_event, hdr->token, data->payload, graph->priv); + } else { + dev_err(dev, "RD BUFF Unexpected addr %08x-%08x\n", rd_done->buf_addr_lsw, + rd_done->buf_addr_msw); + } + break; + case DATA_CMD_WR_SH_MEM_EP_EOS_RENDERED: + break; + case GPR_BASIC_RSP_RESULT: + switch (result->opcode) { + case APM_CMD_SHARED_MEM_UNMAP_REGIONS: + graph->result.opcode = result->opcode; + graph->result.status = 0; + if (hdr->token == SNDRV_PCM_STREAM_PLAYBACK) + graph->rx_data.mem_map_handle = 0; + else + graph->tx_data.mem_map_handle = 0; + + wake_up(&graph->cmd_wait); + break; + case APM_CMD_SHARED_MEM_MAP_REGIONS: + case DATA_CMD_WR_SH_MEM_EP_MEDIA_FORMAT: + case APM_CMD_SET_CFG: + graph->result.opcode = result->opcode; + graph->result.status = result->status; + if (result->status) + dev_err(dev, "Error (%d) Processing 0x%08x cmd\n", + result->status, result->opcode); + wake_up(&graph->cmd_wait); + break; + default: + break; + } + break; + default: + break; + } + return 0; +} + +struct q6apm_graph *q6apm_graph_open(struct device *dev, q6apm_cb cb, + void *priv, int graph_id) +{ + struct q6apm *apm = dev_get_drvdata(dev->parent); + struct audioreach_graph *ar_graph; + struct q6apm_graph *graph; + int ret; + + ar_graph = q6apm_get_audioreach_graph(apm, graph_id); + if (IS_ERR(ar_graph)) { + dev_err(dev, "No graph found with id %d\n", graph_id); + return ERR_CAST(ar_graph); + } + + graph = kzalloc(sizeof(*graph), GFP_KERNEL); + if (!graph) { + ret = -ENOMEM; + goto err; + } + + graph->apm = apm; + graph->priv = priv; + graph->cb = cb; + graph->info = ar_graph->info; + graph->ar_graph = ar_graph; + graph->id = ar_graph->id; + graph->dev = dev; + + mutex_init(&graph->lock); + init_waitqueue_head(&graph->cmd_wait); + + graph->port = gpr_alloc_port(apm->gdev, dev, graph_callback, graph); + if (!graph->port) { + kfree(graph); + ret = -ENOMEM; + goto err; + } + + return graph; +err: + kref_put(&ar_graph->refcount, q6apm_put_audioreach_graph); + return ERR_PTR(ret); +} +EXPORT_SYMBOL_GPL(q6apm_graph_open); + +int q6apm_graph_close(struct q6apm_graph *graph) +{ + struct audioreach_graph *ar_graph = graph->ar_graph; + + gpr_free_port(graph->port); + kref_put(&ar_graph->refcount, q6apm_put_audioreach_graph); + kfree(graph); + + return 0; +} +EXPORT_SYMBOL_GPL(q6apm_graph_close); + +int q6apm_graph_prepare(struct q6apm_graph *graph) +{ + return audioreach_graph_mgmt_cmd(graph->ar_graph, APM_CMD_GRAPH_PREPARE); +} +EXPORT_SYMBOL_GPL(q6apm_graph_prepare); + +int q6apm_graph_start(struct q6apm_graph *graph) +{ + struct audioreach_graph *ar_graph = graph->ar_graph; + int ret = 0; + + if (ar_graph->start_count == 0) + ret = audioreach_graph_mgmt_cmd(ar_graph, APM_CMD_GRAPH_START); + + ar_graph->start_count++; + + return ret; +} +EXPORT_SYMBOL_GPL(q6apm_graph_start); + +int q6apm_graph_stop(struct q6apm_graph *graph) +{ + struct audioreach_graph *ar_graph = graph->ar_graph; + + if (--ar_graph->start_count > 0) + return 0; + + return audioreach_graph_mgmt_cmd(ar_graph, APM_CMD_GRAPH_STOP); +} +EXPORT_SYMBOL_GPL(q6apm_graph_stop); + +int q6apm_graph_flush(struct q6apm_graph *graph) +{ + return audioreach_graph_mgmt_cmd(graph->ar_graph, APM_CMD_GRAPH_FLUSH); +} +EXPORT_SYMBOL_GPL(q6apm_graph_flush); + +static int q6apm_audio_probe(struct snd_soc_component *component) +{ + return audioreach_tplg_init(component); +} + +static void q6apm_audio_remove(struct snd_soc_component *component) +{ + /* remove topology */ + snd_soc_tplg_component_remove(component); +} + +#define APM_AUDIO_DRV_NAME "q6apm-audio" + +static const struct snd_soc_component_driver q6apm_audio_component = { + .name = APM_AUDIO_DRV_NAME, + .probe = q6apm_audio_probe, + .remove = q6apm_audio_remove, +}; + +static int apm_probe(gpr_device_t *gdev) +{ + struct device *dev = &gdev->dev; + struct q6apm *apm; + int ret; + + apm = devm_kzalloc(dev, sizeof(*apm), GFP_KERNEL); + if (!apm) + return -ENOMEM; + + dev_set_drvdata(dev, apm); + + mutex_init(&apm->lock); + apm->dev = dev; + apm->gdev = gdev; + init_waitqueue_head(&apm->wait); + + idr_init(&apm->graph_idr); + idr_init(&apm->graph_info_idr); + idr_init(&apm->sub_graphs_idr); + idr_init(&apm->containers_idr); + + idr_init(&apm->modules_idr); + + q6apm_get_apm_state(apm); + + ret = devm_snd_soc_register_component(dev, &q6apm_audio_component, NULL, 0); + if (ret < 0) { + dev_err(dev, "failed to get register q6apm: %d\n", ret); + return ret; + } + + return of_platform_populate(dev->of_node, NULL, NULL, dev); +} + +struct audioreach_module *q6apm_find_module_by_mid(struct q6apm_graph *graph, uint32_t mid) +{ + struct audioreach_graph_info *info = graph->info; + struct q6apm *apm = graph->apm; + + return __q6apm_find_module_by_mid(apm, info, mid); + +} + +static int apm_callback(struct gpr_resp_pkt *data, void *priv, int op) +{ + gpr_device_t *gdev = priv; + struct q6apm *apm = dev_get_drvdata(&gdev->dev); + struct device *dev = &gdev->dev; + struct gpr_ibasic_rsp_result_t *result; + struct gpr_hdr *hdr = &data->hdr; + + result = data->payload; + + switch (hdr->opcode) { + case APM_CMD_RSP_GET_SPF_STATE: + apm->result.opcode = hdr->opcode; + apm->result.status = 0; + /* First word of result it state */ + apm->state = result->opcode; + wake_up(&apm->wait); + break; + case GPR_BASIC_RSP_RESULT: + switch (result->opcode) { + case APM_CMD_GRAPH_START: + case APM_CMD_GRAPH_OPEN: + case APM_CMD_GRAPH_PREPARE: + case APM_CMD_GRAPH_CLOSE: + case APM_CMD_GRAPH_FLUSH: + case APM_CMD_GRAPH_STOP: + case APM_CMD_SET_CFG: + apm->result.opcode = result->opcode; + apm->result.status = result->status; + if (result->status) + dev_err(dev, "Error (%d) Processing 0x%08x cmd\n", result->status, + result->opcode); + wake_up(&apm->wait); + break; + default: + break; + } + break; + default: + break; + } + + return 0; +} + +#ifdef CONFIG_OF +static const struct of_device_id apm_device_id[] = { + { .compatible = "qcom,q6apm" }, + {}, +}; +MODULE_DEVICE_TABLE(of, apm_device_id); +#endif + +static gpr_driver_t apm_driver = { + .probe = apm_probe, + .gpr_callback = apm_callback, + .driver = { + .name = "qcom-apm", + .of_match_table = of_match_ptr(apm_device_id), + }, +}; + +module_gpr_driver(apm_driver); +MODULE_DESCRIPTION("Audio Process Manager"); +MODULE_LICENSE("GPL"); |