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[3/6] ASoC: wm_adsp: Add debug audio trace firmware

Message ID 1453398782-32198-3-git-send-email-ckeepax@opensource.wolfsonmicro.com (mailing list archive)
State Accepted
Commit 7ce4283ca405d459c186960ed39d41ec0e6fb2bf
Headers show

Commit Message

Charles Keepax Jan. 21, 2016, 5:52 p.m. UTC 
The audio trace firmware allows the capture of arbitrary streams of
audio from the DSP and commonly used for debugging other firmwares. This
patch adds support for this firwmare into the ADSP driver.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm_adsp.c | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)
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Patch

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 0392c58..a81f568 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -367,6 +367,24 @@  static const struct wm_adsp_fw_caps ctrl_caps[] = {
 	},
 };
 
+static const struct wm_adsp_fw_caps trace_caps[] = {
+	{
+		.id = SND_AUDIOCODEC_BESPOKE,
+		.desc = {
+			.max_ch = 8,
+			.sample_rates = {
+				4000, 8000, 11025, 12000, 16000, 22050,
+				24000, 32000, 44100, 48000, 64000, 88200,
+				96000, 176400, 192000
+			},
+			.num_sample_rates = 15,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE,
+		},
+		.num_regions = ARRAY_SIZE(default_regions),
+		.region_defs = default_regions,
+	},
+};
+
 static const struct {
 	const char *file;
 	int compr_direction;
@@ -386,7 +404,12 @@  static const struct {
 		.caps = ctrl_caps,
 	},
 	[WM_ADSP_FW_ASR] =      { .file = "asr" },
-	[WM_ADSP_FW_TRACE] =    { .file = "trace" },
+	[WM_ADSP_FW_TRACE] =    {
+		.file = "trace",
+		.compr_direction = SND_COMPRESS_CAPTURE,
+		.num_caps = ARRAY_SIZE(trace_caps),
+		.caps = trace_caps,
+	},
 	[WM_ADSP_FW_SPK_PROT] = { .file = "spk-prot" },
 	[WM_ADSP_FW_MISC] =     { .file = "misc" },
 };