Messages in this thread |  | | Subject | Re: [alsa-devel] [PATCH v4 14/24] ASoC: qdsp6: q6asm: Add support to audio stream apis | From | Rohit Kumar <> | Date | Mon, 9 Apr 2018 17:23:58 +0530 |
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On 3/10/2018 7:54 AM, srinivas.kandagatla@linaro.org wrote: > 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> Reviewed-and-Tested-by: Rohit kumar <rohitkr@codeaurora.org> > --- > sound/soc/qcom/qdsp6/q6asm.c | 744 ++++++++++++++++++++++++++++++++++++++++++- > sound/soc/qcom/qdsp6/q6asm.h | 49 +++ > 2 files changed, 792 insertions(+), 1 deletion(-) > > diff --git a/sound/soc/qcom/qdsp6/q6asm.c b/sound/soc/qcom/qdsp6/q6asm.c > index 8a2ca2ff9ce8..ddbf526358bd 100644 > --- a/sound/soc/qcom/qdsp6/q6asm.c > +++ b/sound/soc/qcom/qdsp6/q6asm.c > @@ -9,6 +9,8 @@ > #include <linux/device.h> > #include <linux/spinlock.h> > #include <linux/of.h> > +#include <linux/of_platform.h> > +#include <uapi/sound/asound.h> > #include <linux/delay.h> > #include <linux/slab.h> > #include <linux/mm.h> > @@ -17,10 +19,36 @@ > #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 Use NULL topology instead of default topology. #define ASM_NULL_POPP_TOPOLOGY 0x00010C68 > +#define ASM_STREAM_CMD_FLUSH_READBUFS 0x00010C09 > +#define ASM_STREAM_CMD_SET_ENCDEC_PARAM 0x00010C10 [..] > + 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; open.postprocopo_id = ASM_NULL_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);
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