From: Stefan Binding <sbinding@xxxxxxxxxxxxxxxxxxxxx>
This function is used to control the DSP Firmware for cs35l41,
and will be needed by the cs35l41 hda driver, when firmware
support is added.
Acked-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Stefan Binding <sbinding@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Vitaly Rodionov <vitalyr@xxxxxxxxxxxxxxxxxxxxx>
---
include/sound/cs35l41.h | 20 ++++++++++
sound/soc/codecs/cs35l41-lib.c | 57 ++++++++++++++++++++++++++++
sound/soc/codecs/cs35l41.c | 69 +++-------------------------------
sound/soc/codecs/cs35l41.h | 18 ---------
4 files changed, 82 insertions(+), 82 deletions(-)
diff --git a/include/sound/cs35l41.h b/include/sound/cs35l41.h
index 5bd2a5d370ce..77cfd92cf33b 100644
--- a/include/sound/cs35l41.h
+++ b/include/sound/cs35l41.h
@@ -800,6 +800,24 @@ struct cs35l41_otp_map_element_t {
u32 word_offset;
};
+enum cs35l41_cspl_mbox_status {
+ CSPL_MBOX_STS_RUNNING = 0,
+ CSPL_MBOX_STS_PAUSED = 1,
+ CSPL_MBOX_STS_RDY_FOR_REINIT = 2,
+};
+
+enum cs35l41_cspl_mbox_cmd {
+ CSPL_MBOX_CMD_NONE = 0,
+ CSPL_MBOX_CMD_PAUSE = 1,
+ CSPL_MBOX_CMD_RESUME = 2,
+ CSPL_MBOX_CMD_REINIT = 3,
+ CSPL_MBOX_CMD_STOP_PRE_REINIT = 4,
+ CSPL_MBOX_CMD_HIBERNATE = 5,
+ CSPL_MBOX_CMD_OUT_OF_HIBERNATE = 6,
+ CSPL_MBOX_CMD_UNKNOWN_CMD = -1,
+ CSPL_MBOX_CMD_INVALID_SEQUENCE = -2,
+};
+
/*
* IRQs
*/
@@ -858,6 +876,8 @@ int cs35l41_set_channels(struct device *dev, struct regmap *reg,
unsigned int tx_num, unsigned int *tx_slot,
unsigned int rx_num, unsigned int *rx_slot);
int cs35l41_gpio_config(struct regmap *regmap, struct cs35l41_hw_cfg *hw_cfg);
+int cs35l41_set_cspl_mbox_cmd(struct device *dev, struct regmap *regmap,
+ enum cs35l41_cspl_mbox_cmd cmd);
int cs35l41_init_boost(struct device *dev, struct regmap *regmap,
struct cs35l41_hw_cfg *hw_cfg);
bool cs35l41_safe_reset(struct regmap *regmap, enum cs35l41_boost_type b_type);
diff --git a/sound/soc/codecs/cs35l41-lib.c b/sound/soc/codecs/cs35l41-lib.c
index d6017461766c..56464e5844d6 100644
--- a/sound/soc/codecs/cs35l41-lib.c
+++ b/sound/soc/codecs/cs35l41-lib.c
@@ -1208,6 +1208,63 @@ int cs35l41_gpio_config(struct regmap *regmap, struct cs35l41_hw_cfg *hw_cfg)
}
EXPORT_SYMBOL_GPL(cs35l41_gpio_config);
+static bool cs35l41_check_cspl_mbox_sts(enum cs35l41_cspl_mbox_cmd cmd,
+ enum cs35l41_cspl_mbox_status sts)
+{
+ switch (cmd) {
+ case CSPL_MBOX_CMD_NONE:
+ case CSPL_MBOX_CMD_UNKNOWN_CMD:
+ return true;
+ case CSPL_MBOX_CMD_PAUSE:
+ case CSPL_MBOX_CMD_OUT_OF_HIBERNATE:
+ return (sts == CSPL_MBOX_STS_PAUSED);
+ case CSPL_MBOX_CMD_RESUME:
+ return (sts == CSPL_MBOX_STS_RUNNING);
+ case CSPL_MBOX_CMD_REINIT:
+ return (sts == CSPL_MBOX_STS_RUNNING);
+ case CSPL_MBOX_CMD_STOP_PRE_REINIT:
+ return (sts == CSPL_MBOX_STS_RDY_FOR_REINIT);
+ default:
+ return false;
+ }
+}
+
+int cs35l41_set_cspl_mbox_cmd(struct device *dev, struct regmap *regmap,
+ enum cs35l41_cspl_mbox_cmd cmd)
+{
+ unsigned int sts = 0, i;
+ int ret;
+
+ // Set mailbox cmd
+ ret = regmap_write(regmap, CS35L41_DSP_VIRT1_MBOX_1, cmd);
+ if (ret < 0) {
+ if (cmd != CSPL_MBOX_CMD_OUT_OF_HIBERNATE)
+ dev_err(dev, "Failed to write MBOX: %d\n", ret);
+ return ret;
+ }
+
+ // Read mailbox status and verify it is appropriate for the given cmd
+ for (i = 0; i < 5; i++) {
+ usleep_range(1000, 1100);
+
+ ret = regmap_read(regmap, CS35L41_DSP_MBOX_2, &sts);
+ if (ret < 0) {
+ dev_err(dev, "Failed to read MBOX STS: %d\n", ret);
+ continue;
+ }
+
+ if (!cs35l41_check_cspl_mbox_sts(cmd, sts))
+ dev_dbg(dev, "[%u] cmd %u returned invalid sts %u", i, cmd, sts);
+ else
+ return 0;
+ }
+
+ dev_err(dev, "Failed to set mailbox cmd %u (status %u)\n", cmd, sts);
+
+ return -ENOMSG;
+}
+EXPORT_SYMBOL_GPL(cs35l41_set_cspl_mbox_cmd);
+
MODULE_DESCRIPTION("CS35L41 library");
MODULE_AUTHOR("David Rhodes, Cirrus Logic Inc, <david.rhodes@xxxxxxxxxx>");
MODULE_AUTHOR("Lucas Tanure, Cirrus Logic Inc, <tanureal@xxxxxxxxxxxxxxxxxxxxx>");
diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c
index 912196f45648..0285946688f7 100644
--- a/sound/soc/codecs/cs35l41.c
+++ b/sound/soc/codecs/cs35l41.c
@@ -208,67 +208,6 @@ static int cs35l41_dsp_preload_ev(struct snd_soc_dapm_widget *w,
}
}
-static bool cs35l41_check_cspl_mbox_sts(enum cs35l41_cspl_mbox_cmd cmd,
- enum cs35l41_cspl_mbox_status sts)
-{
- switch (cmd) {
- case CSPL_MBOX_CMD_NONE:
- case CSPL_MBOX_CMD_UNKNOWN_CMD:
- return true;
- case CSPL_MBOX_CMD_PAUSE:
- case CSPL_MBOX_CMD_OUT_OF_HIBERNATE:
- return (sts == CSPL_MBOX_STS_PAUSED);
- case CSPL_MBOX_CMD_RESUME:
- return (sts == CSPL_MBOX_STS_RUNNING);
- case CSPL_MBOX_CMD_REINIT:
- return (sts == CSPL_MBOX_STS_RUNNING);
- case CSPL_MBOX_CMD_STOP_PRE_REINIT:
- return (sts == CSPL_MBOX_STS_RDY_FOR_REINIT);
- default:
- return false;
- }
-}
-
-static int cs35l41_set_cspl_mbox_cmd(struct cs35l41_private *cs35l41,
- enum cs35l41_cspl_mbox_cmd cmd)
-{
- unsigned int sts = 0, i;
- int ret;
-
- // Set mailbox cmd
- ret = regmap_write(cs35l41->regmap, CS35L41_DSP_VIRT1_MBOX_1, cmd);
- if (ret < 0) {
- if (cmd != CSPL_MBOX_CMD_OUT_OF_HIBERNATE)
- dev_err(cs35l41->dev, "Failed to write MBOX: %d\n", ret);
- return ret;
- }
-
- // Read mailbox status and verify it is appropriate for the given cmd
- for (i = 0; i < 5; i++) {
- usleep_range(1000, 1100);
-
- ret = regmap_read(cs35l41->regmap, CS35L41_DSP_MBOX_2, &sts);
- if (ret < 0) {
- dev_err(cs35l41->dev, "Failed to read MBOX STS: %d\n", ret);
- continue;
- }
-
- if (!cs35l41_check_cspl_mbox_sts(cmd, sts)) {
- dev_dbg(cs35l41->dev,
- "[%u] cmd %u returned invalid sts %u",
- i, cmd, sts);
- } else {
- return 0;
- }
- }
-
- dev_err(cs35l41->dev,
- "Failed to set mailbox cmd %u (status %u)\n",
- cmd, sts);
-
- return -ENOMSG;
-}
-
static int cs35l41_dsp_audio_ev(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
@@ -299,9 +238,11 @@ static int cs35l41_dsp_audio_ev(struct snd_soc_dapm_widget *w,
return -EINVAL;
}
- return cs35l41_set_cspl_mbox_cmd(cs35l41, CSPL_MBOX_CMD_RESUME);
+ return cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap,
+ CSPL_MBOX_CMD_RESUME);
case SND_SOC_DAPM_PRE_PMD:
- return cs35l41_set_cspl_mbox_cmd(cs35l41, CSPL_MBOX_CMD_PAUSE);
+ return cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap,
+ CSPL_MBOX_CMD_PAUSE);
default:
return 0;
}
@@ -1475,7 +1416,7 @@ static int cs35l41_exit_hibernate(struct cs35l41_private *cs35l41)
dev_dbg(cs35l41->dev, "Exit hibernate\n");
for (j = 0; j < wake_retries; j++) {
- ret = cs35l41_set_cspl_mbox_cmd(cs35l41,
+ ret = cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap,
CSPL_MBOX_CMD_OUT_OF_HIBERNATE);
if (!ret)
break;
diff --git a/sound/soc/codecs/cs35l41.h b/sound/soc/codecs/cs35l41.h
index e3369e0aa89f..c85cbc1dd333 100644
--- a/sound/soc/codecs/cs35l41.h
+++ b/sound/soc/codecs/cs35l41.h
@@ -23,24 +23,6 @@
extern const struct dev_pm_ops cs35l41_pm_ops;
-enum cs35l41_cspl_mbox_status {
- CSPL_MBOX_STS_RUNNING = 0,
- CSPL_MBOX_STS_PAUSED = 1,
- CSPL_MBOX_STS_RDY_FOR_REINIT = 2,
-};
-
-enum cs35l41_cspl_mbox_cmd {
- CSPL_MBOX_CMD_NONE = 0,
- CSPL_MBOX_CMD_PAUSE = 1,
- CSPL_MBOX_CMD_RESUME = 2,
- CSPL_MBOX_CMD_REINIT = 3,
- CSPL_MBOX_CMD_STOP_PRE_REINIT = 4,
- CSPL_MBOX_CMD_HIBERNATE = 5,
- CSPL_MBOX_CMD_OUT_OF_HIBERNATE = 6,
- CSPL_MBOX_CMD_UNKNOWN_CMD = -1,
- CSPL_MBOX_CMD_INVALID_SEQUENCE = -2,
-};
-
struct cs35l41_private {
struct wm_adsp dsp; /* needs to be first member */
struct snd_soc_codec *codec;
--
2.34.1
