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ASoC: cs35l56: Make a common function to shutdown the DSP

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Move issuing of a CS35L56_MBOX_CMD_SHUTDOWN command and then waiting for
the DSP to reach CS35L56_HALO_STATE_SHUTDOWN in the register appropriate
for the hardware revision into a common function.

Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230721132120.5523-10-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Simon Trimmer 2023-07-21 14:21:18 +01:00 committed by Mark Brown
parent f32a2bcbc0
commit 444dfa0912
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
3 changed files with 28 additions and 16 deletions
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1
include/sound/cs35l56.h
View file

@ -274,6 +274,7 @@ extern const unsigned int cs35l56_tx_input_values[CS35L56_NUM_INPUT_SRC];
int cs35l56_set_patch(struct cs35l56_base *cs35l56_base);
int cs35l56_mbox_send(struct cs35l56_base *cs35l56_base, unsigned int command);
int cs35l56_firmware_shutdown(struct cs35l56_base *cs35l56_base);
int cs35l56_wait_for_firmware_boot(struct cs35l56_base *cs35l56_base);
void cs35l56_wait_control_port_ready(void);
void cs35l56_wait_min_reset_pulse(void);

26
sound/soc/codecs/cs35l56-shared.c
View file

@ -213,6 +213,32 @@ int cs35l56_mbox_send(struct cs35l56_base *cs35l56_base, unsigned int command)
}
EXPORT_SYMBOL_NS_GPL(cs35l56_mbox_send, SND_SOC_CS35L56_SHARED);
int cs35l56_firmware_shutdown(struct cs35l56_base *cs35l56_base)
{
int ret;
unsigned int reg;
unsigned int val;
ret = cs35l56_mbox_send(cs35l56_base, CS35L56_MBOX_CMD_SHUTDOWN);
if (ret)
return ret;
if (cs35l56_base->rev < CS35L56_REVID_B0)
reg = CS35L56_DSP1_PM_CUR_STATE_A1;
else
reg = CS35L56_DSP1_PM_CUR_STATE;
ret = regmap_read_poll_timeout(cs35l56_base->regmap, reg,
val, (val == CS35L56_HALO_STATE_SHUTDOWN),
CS35L56_HALO_STATE_POLL_US,
CS35L56_HALO_STATE_TIMEOUT_US);
if (ret < 0)
dev_err(cs35l56_base->dev, "Failed to poll PM_CUR_STATE to 1 is %d (ret %d)\n",
val, ret);
return ret;
}
EXPORT_SYMBOL_NS_GPL(cs35l56_firmware_shutdown, SND_SOC_CS35L56_SHARED);
int cs35l56_wait_for_firmware_boot(struct cs35l56_base *cs35l56_base)
{
unsigned int reg;

17
sound/soc/codecs/cs35l56.c
View file

@ -673,8 +673,6 @@ static void cs35l56_secure_patch(struct cs35l56_private *cs35l56)
static void cs35l56_patch(struct cs35l56_private *cs35l56)
{
unsigned int reg;
unsigned int val;
int ret;
/*
@ -691,23 +689,10 @@ static void cs35l56_patch(struct cs35l56_private *cs35l56)
flush_work(&cs35l56->sdw_irq_work);
}
ret = cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_SHUTDOWN);
ret = cs35l56_firmware_shutdown(&cs35l56->base);
if (ret)
goto err;
if (cs35l56->base.rev < CS35L56_REVID_B0)
reg = CS35L56_DSP1_PM_CUR_STATE_A1;
else
reg = CS35L56_DSP1_PM_CUR_STATE;
ret = regmap_read_poll_timeout(cs35l56->base.regmap, reg,
val, (val == CS35L56_HALO_STATE_SHUTDOWN),
CS35L56_HALO_STATE_POLL_US,
CS35L56_HALO_STATE_TIMEOUT_US);
if (ret < 0)
dev_err(cs35l56->base.dev, "Failed to poll PM_CUR_STATE to 1 is %d (ret %d)\n",
val, ret);
/* Use wm_adsp to load and apply the firmware patch and coefficient files */
ret = wm_adsp_power_up(&cs35l56->dsp);
if (ret) {