From: Srinivas Kandagatla srinivas.kandagatla@linaro.org
This patch adds support to open, write and media format commands in the q6asm module.
Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- include/dt-bindings/sound/qcom,q6asm.h | 22 ++ sound/soc/qcom/qdsp6/q6asm.c | 503 ++++++++++++++++++++++++++++++++- sound/soc/qcom/qdsp6/q6asm.h | 41 +++ 3 files changed, 564 insertions(+), 2 deletions(-) create mode 100644 include/dt-bindings/sound/qcom,q6asm.h
diff --git a/include/dt-bindings/sound/qcom,q6asm.h b/include/dt-bindings/sound/qcom,q6asm.h new file mode 100644 index 000000000000..4e85bf804cec --- /dev/null +++ b/include/dt-bindings/sound/qcom,q6asm.h @@ -0,0 +1,22 @@ +// SPDX-License-Identifier: GPL-2.0 +#ifndef __DT_BINDINGS_Q6_ASM_H__ +#define __DT_BINDINGS_Q6_ASM_H__ + +#define MSM_FRONTEND_DAI_MULTIMEDIA1 0 +#define MSM_FRONTEND_DAI_MULTIMEDIA2 1 +#define MSM_FRONTEND_DAI_MULTIMEDIA3 2 +#define MSM_FRONTEND_DAI_MULTIMEDIA4 3 +#define MSM_FRONTEND_DAI_MULTIMEDIA5 4 +#define MSM_FRONTEND_DAI_MULTIMEDIA6 5 +#define MSM_FRONTEND_DAI_MULTIMEDIA7 6 +#define MSM_FRONTEND_DAI_MULTIMEDIA8 7 +#define MSM_FRONTEND_DAI_MULTIMEDIA9 8 +#define MSM_FRONTEND_DAI_MULTIMEDIA10 9 +#define MSM_FRONTEND_DAI_MULTIMEDIA11 10 +#define MSM_FRONTEND_DAI_MULTIMEDIA12 11 +#define MSM_FRONTEND_DAI_MULTIMEDIA13 12 +#define MSM_FRONTEND_DAI_MULTIMEDIA14 13 +#define MSM_FRONTEND_DAI_MULTIMEDIA15 14 +#define MSM_FRONTEND_DAI_MULTIMEDIA16 15 + +#endif /* __DT_BINDINGS_Q6_ASM_H__ */ diff --git a/sound/soc/qcom/qdsp6/q6asm.c b/sound/soc/qcom/qdsp6/q6asm.c index 412275edb15c..0ee1e30a8d8e 100644 --- a/sound/soc/qcom/qdsp6/q6asm.c +++ b/sound/soc/qcom/qdsp6/q6asm.c @@ -10,6 +10,7 @@ #include <linux/soc/qcom/apr.h> #include <linux/device.h> #include <linux/of.h> +#include <uapi/sound/asound.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/mm.h> @@ -17,10 +18,26 @@ #include "q6dsp-errno.h" #include "q6dsp-common.h"
+#define ASM_STREAM_CMD_CLOSE 0x00010BCD +#define ASM_STREAM_CMD_FLUSH 0x00010BCE +#define ASM_SESSION_CMD_PAUSE 0x00010BD3 +#define ASM_DATA_CMD_EOS 0x00010BDB +#define ASM_DEFAULT_POPP_TOPOLOGY 0x00010BE4 +#define ASM_STREAM_CMD_FLUSH_READBUFS 0x00010C09 #define ASM_CMD_SHARED_MEM_MAP_REGIONS 0x00010D92 #define ASM_CMDRSP_SHARED_MEM_MAP_REGIONS 0x00010D93 #define ASM_CMD_SHARED_MEM_UNMAP_REGIONS 0x00010D94 - +#define ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2 0x00010D98 +#define ASM_DATA_EVENT_WRITE_DONE_V2 0x00010D99 +#define ASM_SESSION_CMD_RUN_V2 0x00010DAA +#define ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V2 0x00010DA5 +#define ASM_DATA_CMD_WRITE_V2 0x00010DAB +#define ASM_SESSION_CMD_SUSPEND 0x00010DEC +#define ASM_STREAM_CMD_OPEN_WRITE_V3 0x00010DB3 + +#define ASM_LEGACY_STREAM_SESSION 0 +#define ASM_END_POINT_DEVICE_MATRIX 0 +#define ASM_DEFAULT_APP_TYPE 0 #define ASM_SYNC_IO_MODE 0x0001 #define ASM_ASYNC_IO_MODE 0x0002 #define ASM_TUN_READ_IO_MODE 0x0004 /* tunnel read write mode */ @@ -46,6 +63,49 @@ struct avs_cmd_shared_mem_unmap_regions { u32 mem_map_handle; } __packed;
+struct asm_data_cmd_media_fmt_update_v2 { + u32 fmt_blk_size; +} __packed; + +struct asm_multi_channel_pcm_fmt_blk_v2 { + struct apr_hdr hdr; + struct asm_data_cmd_media_fmt_update_v2 fmt_blk; + u16 num_channels; + u16 bits_per_sample; + u32 sample_rate; + u16 is_signed; + u16 reserved; + u8 channel_mapping[PCM_FORMAT_MAX_NUM_CHANNEL]; +} __packed; + +struct asm_data_cmd_write_v2 { + struct apr_hdr hdr; + u32 buf_addr_lsw; + u32 buf_addr_msw; + u32 mem_map_handle; + u32 buf_size; + u32 seq_id; + u32 timestamp_lsw; + u32 timestamp_msw; + u32 flags; +} __packed; + +struct asm_stream_cmd_open_write_v3 { + struct apr_hdr hdr; + uint32_t mode_flags; + uint16_t sink_endpointype; + uint16_t bits_per_sample; + uint32_t postprocopo_id; + uint32_t dec_fmt_id; +} __packed; + +struct asm_session_cmd_run_v2 { + struct apr_hdr hdr; + u32 flags; + u32 time_lsw; + u32 time_msw; +} __packed; + struct audio_buffer { phys_addr_t phys; uint32_t used; @@ -131,7 +191,7 @@ static int q6asm_apr_send_session_pkt(struct q6asm *a, struct audio_client *ac,
rc = wait_event_timeout(a->mem_wait, (a->mem_state <= 0), 5 * HZ); if (!rc) { - dev_err(a->dev, "CMD timeout \n"); + dev_err(a->dev, "CMD timeout\n"); rc = -ETIMEDOUT; } else if (a->mem_state < 0) { rc = q6dsp_errno(a->mem_state); @@ -395,6 +455,108 @@ void *q6asm_get_dai_data(struct device *dev) } EXPORT_SYMBOL_GPL(q6asm_get_dai_data);
+static int32_t q6asm_stream_callback(struct apr_device *adev, + struct apr_client_message *data, + int session_id) +{ + struct q6asm *q6asm = dev_get_drvdata(&adev->dev); + struct aprv2_ibasic_rsp_result_t *result; + struct audio_port_data *port; + struct audio_client *ac; + uint32_t token; + uint32_t client_event = 0; + + ac = q6asm_get_audio_client(q6asm, session_id); + if (!ac)/* Audio client might already be freed by now */ + return 0; + + if (!q6asm_is_valid_audio_client(ac)) + return -EINVAL; + + result = data->payload; + + switch (data->opcode) { + case APR_BASIC_RSP_RESULT: + token = data->token; + switch (result->opcode) { + case ASM_SESSION_CMD_PAUSE: + client_event = ASM_CLIENT_EVENT_CMD_PAUSE_DONE; + break; + case ASM_SESSION_CMD_SUSPEND: + client_event = ASM_CLIENT_EVENT_CMD_SUSPEND_DONE; + break; + case ASM_DATA_CMD_EOS: + client_event = ASM_CLIENT_EVENT_CMD_EOS_DONE; + break; + break; + case ASM_STREAM_CMD_FLUSH: + client_event = ASM_CLIENT_EVENT_CMD_FLUSH_DONE; + break; + case ASM_SESSION_CMD_RUN_V2: + client_event = ASM_CLIENT_EVENT_CMD_RUN_DONE; + break; + + case ASM_STREAM_CMD_FLUSH_READBUFS: + if (token != ac->session) { + dev_err(ac->dev, "session invalid\n"); + return -EINVAL; + } + case ASM_STREAM_CMD_CLOSE: + client_event = ASM_CLIENT_EVENT_CMD_CLOSE_DONE; + break; + case ASM_STREAM_CMD_OPEN_WRITE_V3: + case ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2: + if (result->status != 0) { + dev_err(ac->dev, + "cmd = 0x%x returned error = 0x%x\n", + result->opcode, result->status); + ac->cmd_state = -result->status; + wake_up(&ac->cmd_wait); + return 0; + } + break; + default: + dev_err(ac->dev, "command[0x%x] not expecting rsp\n", + result->opcode); + break; + } + + if (ac->cmd_state) { + ac->cmd_state = 0; + wake_up(&ac->cmd_wait); + } + if (ac->cb) + ac->cb(client_event, data->token, + data->payload, ac->priv); + + return 0; + + case ASM_DATA_EVENT_WRITE_DONE_V2: + port = &ac->port[SNDRV_PCM_STREAM_PLAYBACK]; + + client_event = ASM_CLIENT_EVENT_DATA_WRITE_DONE; + + if (ac->io_mode & ASM_SYNC_IO_MODE) { + phys_addr_t phys = port->buf[data->token].phys; + + if (lower_32_bits(phys) != result->opcode || + upper_32_bits(phys) != result->status) { + dev_err(ac->dev, "Expected addr %pa\n", + &port->buf[data->token].phys); + return -EINVAL; + } + token = data->token; + port->buf[token].used = 1; + } + break; + } + + if (ac->cb) + ac->cb(client_event, data->token, data->payload, ac->priv); + + return 0; +} + static int q6asm_srvc_callback(struct apr_device *adev, struct apr_client_message *data) { @@ -404,6 +566,11 @@ static int q6asm_srvc_callback(struct apr_device *adev, struct audio_port_data *port; uint32_t dir = 0; uint32_t sid = 0; + int session_id; + + session_id = (data->dest_port >> 8) & 0xFF; + if (session_id) + return q6asm_stream_callback(adev, data, session_id);
result = data->payload; sid = (data->token >> 8) & 0x0F; @@ -519,6 +686,338 @@ struct audio_client *q6asm_audio_client_alloc(struct device *dev, q6asm_cb cb, } EXPORT_SYMBOL_GPL(q6asm_audio_client_alloc);
+static int q6asm_ac_send_cmd_sync(struct audio_client *ac, void *cmd) +{ + int rc; + + mutex_lock(&ac->lock); + ac->cmd_state = 1; + + rc = apr_send_pkt(ac->adev, cmd); + if (rc < 0) + goto err; + + rc = wait_event_timeout(ac->cmd_wait, (ac->cmd_state <= 0), 5 * HZ); + if (!rc) { + dev_err(ac->dev, "CMD timeout\n"); + rc = -ETIMEDOUT; + goto err; + } + + if (ac->cmd_state > 0) + rc = q6dsp_errno(ac->cmd_state); + +err: + mutex_unlock(&ac->lock); + return rc; +} + +/** + * q6asm_open_write() - Open audio client for writing + * + * @ac: audio client pointer + * @format: audio sample format + * @bits_per_sample: bits per sample + * + * Return: Will be an negative value on error or zero on success + */ +int q6asm_open_write(struct audio_client *ac, uint32_t format, + uint16_t bits_per_sample) +{ + struct asm_stream_cmd_open_write_v3 open; + int rc; + + q6asm_add_hdr(ac, &open.hdr, sizeof(open), true, ac->stream_id); + + open.hdr.opcode = ASM_STREAM_CMD_OPEN_WRITE_V3; + open.mode_flags = 0x00; + open.mode_flags |= ASM_LEGACY_STREAM_SESSION; + + /* source endpoint : matrix */ + open.sink_endpointype = ASM_END_POINT_DEVICE_MATRIX; + open.bits_per_sample = bits_per_sample; + open.postprocopo_id = ASM_DEFAULT_POPP_TOPOLOGY; + + switch (format) { + case FORMAT_LINEAR_PCM: + open.dec_fmt_id = ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V2; + break; + default: + dev_err(ac->dev, "Invalid format 0x%x\n", format); + return -EINVAL; + } + + rc = q6asm_ac_send_cmd_sync(ac, &open); + if (rc < 0) + return rc; + + ac->io_mode |= ASM_TUN_WRITE_IO_MODE; + + return 0; +} +EXPORT_SYMBOL_GPL(q6asm_open_write); + +static int __q6asm_run(struct audio_client *ac, uint32_t flags, + uint32_t msw_ts, uint32_t lsw_ts, bool wait) +{ + struct asm_session_cmd_run_v2 run; + + q6asm_add_hdr(ac, &run.hdr, sizeof(run), true, ac->stream_id); + + run.hdr.opcode = ASM_SESSION_CMD_RUN_V2; + run.flags = flags; + run.time_lsw = lsw_ts; + run.time_msw = msw_ts; + if (wait) + return q6asm_ac_send_cmd_sync(ac, &run); + else + return apr_send_pkt(ac->adev, &run); + +} + +/** + * q6asm_run() - start the audio client + * + * @ac: audio client pointer + * @flags: flags associated with write + * @msw_ts: timestamp msw + * @lsw_ts: timestamp lsw + * + * Return: Will be an negative value on error or zero on success + */ +int q6asm_run(struct audio_client *ac, uint32_t flags, + uint32_t msw_ts, uint32_t lsw_ts) +{ + return __q6asm_run(ac, flags, msw_ts, lsw_ts, true); +} +EXPORT_SYMBOL_GPL(q6asm_run); + +/** + * q6asm_run_nowait() - start the audio client withou blocking + * + * @ac: audio client pointer + * @flags: flags associated with write + * @msw_ts: timestamp msw + * @lsw_ts: timestamp lsw + * + * Return: Will be an negative value on error or zero on success + */ +int q6asm_run_nowait(struct audio_client *ac, uint32_t flags, + uint32_t msw_ts, uint32_t lsw_ts) +{ + return __q6asm_run(ac, flags, msw_ts, lsw_ts, false); +} +EXPORT_SYMBOL_GPL(q6asm_run_nowait); + +/** + * q6asm_media_format_block_multi_ch_pcm() - setup pcm configuration + * + * @ac: audio client pointer + * @rate: audio sample rate + * @channels: number of audio channels. + * @use_default_chmap: flag to use default ch map. + * @channel_map: channel map pointer + * @bits_per_sample: bits per sample + * + * Return: Will be an negative value on error or zero on success + */ +int q6asm_media_format_block_multi_ch_pcm(struct audio_client *ac, + uint32_t rate, uint32_t channels, + u8 channel_map[PCM_FORMAT_MAX_NUM_CHANNEL], + uint16_t bits_per_sample) +{ + struct asm_multi_channel_pcm_fmt_blk_v2 fmt; + u8 *channel_mapping; + int rc; + + q6asm_add_hdr(ac, &fmt.hdr, sizeof(fmt), true, ac->stream_id); + + fmt.hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2; + fmt.fmt_blk.fmt_blk_size = sizeof(fmt) - sizeof(fmt.hdr) - + sizeof(fmt.fmt_blk); + fmt.num_channels = channels; + fmt.bits_per_sample = bits_per_sample; + fmt.sample_rate = rate; + fmt.is_signed = 1; + + channel_mapping = fmt.channel_mapping; + + if (channel_map) { + memcpy(channel_mapping, channel_map, + PCM_FORMAT_MAX_NUM_CHANNEL); + } else { + if (q6dsp_map_channels(channel_mapping, channels)) { + dev_err(ac->dev, " map channels failed %d\n", channels); + return -EINVAL; + } + } + + rc = q6asm_ac_send_cmd_sync(ac, &fmt); + if (rc < 0) + goto fail_cmd; + + return 0; +fail_cmd: + return rc; +} +EXPORT_SYMBOL_GPL(q6asm_media_format_block_multi_ch_pcm); + +/** + * q6asm_write_async() - non blocking write + * + * @ac: audio client pointer + * @len: lenght in bytes + * @msw_ts: timestamp msw + * @lsw_ts: timestamp lsw + * @flags: flags associated with write + * + * Return: Will be an negative value on error or zero on success + */ +int q6asm_write_async(struct audio_client *ac, uint32_t len, uint32_t msw_ts, + uint32_t lsw_ts, uint32_t flags) +{ + struct asm_data_cmd_write_v2 write; + struct audio_port_data *port; + struct audio_buffer *ab; + int rc = 0; + + if (!(ac->io_mode & ASM_SYNC_IO_MODE)) + return 0; + + port = &ac->port[SNDRV_PCM_STREAM_PLAYBACK]; + q6asm_add_hdr(ac, &write.hdr, sizeof(write), false, + ac->stream_id); + + ab = &port->buf[port->dsp_buf]; + + write.hdr.token = port->dsp_buf; + write.hdr.opcode = ASM_DATA_CMD_WRITE_V2; + write.buf_addr_lsw = lower_32_bits(ab->phys); + write.buf_addr_msw = upper_32_bits(ab->phys); + write.buf_size = len; + write.seq_id = port->dsp_buf; + write.timestamp_lsw = lsw_ts; + write.timestamp_msw = msw_ts; + write.mem_map_handle = + ac->port[SNDRV_PCM_STREAM_PLAYBACK].mem_map_handle; + + if (flags == NO_TIMESTAMP) + write.flags = (flags & 0x800000FF); + else + write.flags = (0x80000000 | flags); + + port->dsp_buf++; + + if (port->dsp_buf >= port->num_periods) + port->dsp_buf = 0; + + rc = apr_send_pkt(ac->adev, &write); + if (rc < 0) + return rc; + + return 0; +} +EXPORT_SYMBOL_GPL(q6asm_write_async); + +static void q6asm_reset_buf_state(struct audio_client *ac) +{ + int cnt = 0; + int loopcnt = 0; + int used; + struct audio_port_data *port = NULL; + + if (!(ac->io_mode & ASM_SYNC_IO_MODE)) + return; + + used = (ac->io_mode & ASM_TUN_WRITE_IO_MODE ? 1 : 0); + mutex_lock(&ac->lock); + for (loopcnt = 0; loopcnt <= SNDRV_PCM_STREAM_CAPTURE; + loopcnt++) { + port = &ac->port[loopcnt]; + cnt = port->num_periods - 1; + port->dsp_buf = 0; + while (cnt >= 0) { + if (!port->buf) + continue; + port->buf[cnt].used = used; + cnt--; + } + } + mutex_unlock(&ac->lock); +} + +static int __q6asm_cmd(struct audio_client *ac, int cmd, bool wait) +{ + int stream_id = ac->stream_id; + struct apr_hdr hdr; + int rc; + + q6asm_add_hdr(ac, &hdr, sizeof(hdr), true, stream_id); + + switch (cmd) { + case CMD_PAUSE: + hdr.opcode = ASM_SESSION_CMD_PAUSE; + break; + case CMD_SUSPEND: + hdr.opcode = ASM_SESSION_CMD_SUSPEND; + break; + case CMD_FLUSH: + hdr.opcode = ASM_STREAM_CMD_FLUSH; + break; + case CMD_OUT_FLUSH: + hdr.opcode = ASM_STREAM_CMD_FLUSH_READBUFS; + break; + case CMD_EOS: + hdr.opcode = ASM_DATA_CMD_EOS; + break; + case CMD_CLOSE: + hdr.opcode = ASM_STREAM_CMD_CLOSE; + break; + default: + return -EINVAL; + } + + if (wait) + rc = q6asm_ac_send_cmd_sync(ac, &hdr); + else + return apr_send_pkt(ac->adev, &hdr); + + if (rc < 0) + return rc; + + if (cmd == CMD_FLUSH) + q6asm_reset_buf_state(ac); + + return 0; +} + +/** + * q6asm_cmd() - run cmd on audio client + * + * @ac: audio client pointer + * @cmd: command to run on audio client. + * + * Return: Will be an negative value on error or zero on success + */ +int q6asm_cmd(struct audio_client *ac, int cmd) +{ + return __q6asm_cmd(ac, cmd, true); +} +EXPORT_SYMBOL_GPL(q6asm_cmd); + +/** + * q6asm_cmd_nowait() - non blocking, run cmd on audio client + * + * @ac: audio client pointer + * @cmd: command to run on audio client. + * + * Return: Will be an negative value on error or zero on success + */ +int q6asm_cmd_nowait(struct audio_client *ac, int cmd) +{ + return __q6asm_cmd(ac, cmd, false); +} +EXPORT_SYMBOL_GPL(q6asm_cmd_nowait);
static int q6asm_probe(struct apr_device *adev) { diff --git a/sound/soc/qcom/qdsp6/q6asm.h b/sound/soc/qcom/qdsp6/q6asm.h index a4f9fe636b7e..b5ef90bb724b 100644 --- a/sound/soc/qcom/qdsp6/q6asm.h +++ b/sound/soc/qcom/qdsp6/q6asm.h @@ -1,8 +1,35 @@ // SPDX-License-Identifier: GPL-2.0 #ifndef __Q6_ASM_H__ #define __Q6_ASM_H__ +#include "q6dsp-common.h" +#include <dt-bindings/sound/qcom,q6asm.h> + +/* ASM client callback events */ +#define CMD_PAUSE 0x0001 +#define ASM_CLIENT_EVENT_CMD_PAUSE_DONE 0x1001 +#define CMD_FLUSH 0x0002 +#define ASM_CLIENT_EVENT_CMD_FLUSH_DONE 0x1002 +#define CMD_EOS 0x0003 +#define ASM_CLIENT_EVENT_CMD_EOS_DONE 0x1003 +#define CMD_CLOSE 0x0004 +#define ASM_CLIENT_EVENT_CMD_CLOSE_DONE 0x1004 +#define CMD_OUT_FLUSH 0x0005 +#define ASM_CLIENT_EVENT_CMD_OUT_FLUSH_DONE 0x1005 +#define CMD_SUSPEND 0x0006 +#define ASM_CLIENT_EVENT_CMD_SUSPEND_DONE 0x1006 +#define ASM_CLIENT_EVENT_CMD_RUN_DONE 0x1008 +#define ASM_CLIENT_EVENT_DATA_WRITE_DONE 0x1009 + +enum { + LEGACY_PCM_MODE = 0, + LOW_LATENCY_PCM_MODE, + ULTRA_LOW_LATENCY_PCM_MODE, + ULL_POST_PROCESSING_PCM_MODE, +};
#define MAX_SESSIONS 16 +#define NO_TIMESTAMP 0xFF00 +#define FORMAT_LINEAR_PCM 0x0000
void q6asm_set_dai_data(struct device *dev, void *data); void *q6asm_get_dai_data(struct device *dev); @@ -14,6 +41,20 @@ struct audio_client *q6asm_audio_client_alloc(struct device *dev, q6asm_cb cb, void *priv, int session_id); void q6asm_audio_client_free(struct audio_client *ac); +int q6asm_write_async(struct audio_client *ac, uint32_t len, uint32_t msw_ts, + uint32_t lsw_ts, uint32_t flags); +int q6asm_open_write(struct audio_client *ac, uint32_t format, + uint16_t bits_per_sample); +int q6asm_media_format_block_multi_ch_pcm(struct audio_client *ac, + uint32_t rate, uint32_t channels, + u8 channel_map[PCM_FORMAT_MAX_NUM_CHANNEL], + uint16_t bits_per_sample); +int q6asm_run(struct audio_client *ac, uint32_t flags, uint32_t msw_ts, + uint32_t lsw_ts); +int q6asm_run_nowait(struct audio_client *ac, uint32_t flags, uint32_t msw_ts, + uint32_t lsw_ts); +int q6asm_cmd(struct audio_client *ac, int cmd); +int q6asm_cmd_nowait(struct audio_client *ac, int cmd); int q6asm_get_session_id(struct audio_client *ac); int q6asm_map_memory_regions(unsigned int dir, struct audio_client *ac,