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Date: Thu, 9 Feb 2023 12:28:05 +0000
From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To: broonie@...nel.org
Cc: lgirdwood@...il.com, perex@...ex.cz, tiwai@...e.com,
alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
steev@...i.org, johan+linaro@...nel.org, quic_bjorande@...cinc.com,
Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH 7/8] ASoC: codecs: lpass: do not reset soundwire block on clk enable
resetting soundwire block will put the slaves out of sync and result
in re-enumeration during fsgen disable/enable path this is totally
unnecessary and resulting fifo overflows.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
sound/soc/codecs/lpass-rx-macro.c | 17 +++++++++++------
sound/soc/codecs/lpass-tx-macro.c | 15 ++++++++++-----
sound/soc/codecs/lpass-va-macro.c | 23 ++++++++++++-----------
sound/soc/codecs/lpass-wsa-macro.c | 18 +++++++++++-------
4 files changed, 44 insertions(+), 29 deletions(-)
diff --git a/sound/soc/codecs/lpass-rx-macro.c b/sound/soc/codecs/lpass-rx-macro.c
index 8621cfabcf5b..e0d891a67a12 100644
--- a/sound/soc/codecs/lpass-rx-macro.c
+++ b/sound/soc/codecs/lpass-rx-macro.c
@@ -3441,16 +3441,10 @@ static int swclk_gate_enable(struct clk_hw *hw)
}
rx_macro_mclk_enable(rx, true);
- regmap_update_bits(rx->regmap, CDC_RX_CLK_RST_CTRL_SWR_CONTROL,
- CDC_RX_SWR_RESET_MASK,
- CDC_RX_SWR_RESET);
regmap_update_bits(rx->regmap, CDC_RX_CLK_RST_CTRL_SWR_CONTROL,
CDC_RX_SWR_CLK_EN_MASK, 1);
- regmap_update_bits(rx->regmap, CDC_RX_CLK_RST_CTRL_SWR_CONTROL,
- CDC_RX_SWR_RESET_MASK, 0);
-
return 0;
}
@@ -3601,6 +3595,17 @@ static int rx_macro_probe(struct platform_device *pdev)
if (ret)
goto err_fsgen;
+ /* reset swr block */
+ regmap_update_bits(rx->regmap, CDC_RX_CLK_RST_CTRL_SWR_CONTROL,
+ CDC_RX_SWR_RESET_MASK,
+ CDC_RX_SWR_RESET);
+
+ regmap_update_bits(rx->regmap, CDC_RX_CLK_RST_CTRL_SWR_CONTROL,
+ CDC_RX_SWR_CLK_EN_MASK, 1);
+
+ regmap_update_bits(rx->regmap, CDC_RX_CLK_RST_CTRL_SWR_CONTROL,
+ CDC_RX_SWR_RESET_MASK, 0);
+
ret = devm_snd_soc_register_component(dev, &rx_macro_component_drv,
rx_macro_dai,
ARRAY_SIZE(rx_macro_dai));
diff --git a/sound/soc/codecs/lpass-tx-macro.c b/sound/soc/codecs/lpass-tx-macro.c
index 2449a2df66df..bf27bdd5be20 100644
--- a/sound/soc/codecs/lpass-tx-macro.c
+++ b/sound/soc/codecs/lpass-tx-macro.c
@@ -1861,15 +1861,10 @@ static int swclk_gate_enable(struct clk_hw *hw)
}
tx_macro_mclk_enable(tx, true);
- regmap_update_bits(regmap, CDC_TX_CLK_RST_CTRL_SWR_CONTROL,
- CDC_TX_SWR_RESET_MASK, CDC_TX_SWR_RESET_ENABLE);
regmap_update_bits(regmap, CDC_TX_CLK_RST_CTRL_SWR_CONTROL,
CDC_TX_SWR_CLK_EN_MASK,
CDC_TX_SWR_CLK_ENABLE);
- regmap_update_bits(regmap, CDC_TX_CLK_RST_CTRL_SWR_CONTROL,
- CDC_TX_SWR_RESET_MASK, 0x0);
-
return 0;
}
@@ -2036,6 +2031,16 @@ static int tx_macro_probe(struct platform_device *pdev)
if (ret)
goto err_fsgen;
+ /* reset soundwire block */
+ regmap_update_bits(tx->regmap, CDC_TX_CLK_RST_CTRL_SWR_CONTROL,
+ CDC_TX_SWR_RESET_MASK, CDC_TX_SWR_RESET_ENABLE);
+
+ regmap_update_bits(tx->regmap, CDC_TX_CLK_RST_CTRL_SWR_CONTROL,
+ CDC_TX_SWR_CLK_EN_MASK,
+ CDC_TX_SWR_CLK_ENABLE);
+ regmap_update_bits(tx->regmap, CDC_TX_CLK_RST_CTRL_SWR_CONTROL,
+ CDC_TX_SWR_RESET_MASK, 0x0);
+
ret = devm_snd_soc_register_component(dev, &tx_macro_component_drv,
tx_macro_dai,
ARRAY_SIZE(tx_macro_dai));
diff --git a/sound/soc/codecs/lpass-va-macro.c b/sound/soc/codecs/lpass-va-macro.c
index 1623ba78ddb3..fd62817d29a0 100644
--- a/sound/soc/codecs/lpass-va-macro.c
+++ b/sound/soc/codecs/lpass-va-macro.c
@@ -1333,17 +1333,9 @@ static int fsgen_gate_enable(struct clk_hw *hw)
int ret;
ret = va_macro_mclk_enable(va, true);
- if (!va->has_swr_master)
- return ret;
-
- regmap_update_bits(regmap, CDC_VA_CLK_RST_CTRL_SWR_CONTROL,
- CDC_VA_SWR_RESET_MASK, CDC_VA_SWR_RESET_ENABLE);
-
- regmap_update_bits(regmap, CDC_VA_CLK_RST_CTRL_SWR_CONTROL,
- CDC_VA_SWR_CLK_EN_MASK,
- CDC_VA_SWR_CLK_ENABLE);
- regmap_update_bits(regmap, CDC_VA_CLK_RST_CTRL_SWR_CONTROL,
- CDC_VA_SWR_RESET_MASK, 0x0);
+ if (va->has_swr_master)
+ regmap_update_bits(regmap, CDC_VA_CLK_RST_CTRL_SWR_CONTROL,
+ CDC_VA_SWR_CLK_EN_MASK, CDC_VA_SWR_CLK_ENABLE);
return ret;
}
@@ -1538,6 +1530,15 @@ static int va_macro_probe(struct platform_device *pdev)
}
+ if (va->has_swr_master) {
+ regmap_update_bits(va->regmap, CDC_VA_CLK_RST_CTRL_SWR_CONTROL,
+ CDC_VA_SWR_RESET_MASK, CDC_VA_SWR_RESET_ENABLE);
+ regmap_update_bits(va->regmap, CDC_VA_CLK_RST_CTRL_SWR_CONTROL,
+ CDC_VA_SWR_CLK_EN_MASK, CDC_VA_SWR_CLK_ENABLE);
+ regmap_update_bits(va->regmap, CDC_VA_CLK_RST_CTRL_SWR_CONTROL,
+ CDC_VA_SWR_RESET_MASK, 0x0);
+ }
+
ret = devm_snd_soc_register_component(dev, &va_macro_component_drv,
va_macro_dais,
ARRAY_SIZE(va_macro_dais));
diff --git a/sound/soc/codecs/lpass-wsa-macro.c b/sound/soc/codecs/lpass-wsa-macro.c
index c0b86d69c72e..e6b85f3692ac 100644
--- a/sound/soc/codecs/lpass-wsa-macro.c
+++ b/sound/soc/codecs/lpass-wsa-macro.c
@@ -2270,17 +2270,10 @@ static int wsa_swrm_clock(struct wsa_macro *wsa, bool enable)
}
wsa_macro_mclk_enable(wsa, true);
- /* reset swr ip */
- regmap_update_bits(regmap, CDC_WSA_CLK_RST_CTRL_SWR_CONTROL,
- CDC_WSA_SWR_RST_EN_MASK, CDC_WSA_SWR_RST_ENABLE);
-
regmap_update_bits(regmap, CDC_WSA_CLK_RST_CTRL_SWR_CONTROL,
CDC_WSA_SWR_CLK_EN_MASK,
CDC_WSA_SWR_CLK_ENABLE);
- /* Bring out of reset */
- regmap_update_bits(regmap, CDC_WSA_CLK_RST_CTRL_SWR_CONTROL,
- CDC_WSA_SWR_RST_EN_MASK, CDC_WSA_SWR_RST_DISABLE);
} else {
regmap_update_bits(regmap, CDC_WSA_CLK_RST_CTRL_SWR_CONTROL,
CDC_WSA_SWR_CLK_EN_MASK, 0);
@@ -2451,6 +2444,17 @@ static int wsa_macro_probe(struct platform_device *pdev)
if (ret)
goto err_fsgen;
+ /* reset swr ip */
+ regmap_update_bits(wsa->regmap, CDC_WSA_CLK_RST_CTRL_SWR_CONTROL,
+ CDC_WSA_SWR_RST_EN_MASK, CDC_WSA_SWR_RST_ENABLE);
+
+ regmap_update_bits(wsa->regmap, CDC_WSA_CLK_RST_CTRL_SWR_CONTROL,
+ CDC_WSA_SWR_CLK_EN_MASK, CDC_WSA_SWR_CLK_ENABLE);
+
+ /* Bring out of reset */
+ regmap_update_bits(wsa->regmap, CDC_WSA_CLK_RST_CTRL_SWR_CONTROL,
+ CDC_WSA_SWR_RST_EN_MASK, CDC_WSA_SWR_RST_DISABLE);
+
ret = devm_snd_soc_register_component(dev, &wsa_macro_component_drv,
wsa_macro_dai,
ARRAY_SIZE(wsa_macro_dai));
--
2.21.0
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