[PATCH v5 06/10] ASoC: cs35l41: Create shared function for boost configuration

Lucas Tanure
2021-12-16T11:47:23Z

ASoC and HDA will use the same registers to configure
internal boost for the device

Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
---
include/sound/cs35l41.h | 2 +
sound/soc/codecs/cs35l41-lib.c | 98 ++++++++++++++++++++++++++++++
sound/soc/codecs/cs35l41.c | 105 +--------------------------------
3 files changed, 102 insertions(+), 103 deletions(-)

diff --git a/include/sound/cs35l41.h b/include/sound/cs35l41.h
index 39d150f61382..29a527457b48 100644
--- a/include/sound/cs35l41.h
+++ b/include/sound/cs35l41.h
@@ -767,5 +767,7 @@ int cs35l41_register_errata_patch(struct device *dev, struct regmap *reg, unsign
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_boost_config(struct device *dev, struct regmap *regmap, int boost_ind, int boost_cap,
+ int boost_ipk);

#endif /* __CS35L41_H */
diff --git a/sound/soc/codecs/cs35l41-lib.c b/sound/soc/codecs/cs35l41-lib.c
index afcec715374d..d026c5e3a378 100644
--- a/sound/soc/codecs/cs35l41-lib.c
+++ b/sound/soc/codecs/cs35l41-lib.c
@@ -966,6 +966,104 @@ int cs35l41_set_channels(struct device *dev, struct regmap *reg,
}
EXPORT_SYMBOL_GPL(cs35l41_set_channels);

+static const unsigned char cs35l41_bst_k1_table[4][5] = {
+ { 0x24, 0x32, 0x32, 0x4F, 0x57 },
+ { 0x24, 0x32, 0x32, 0x4F, 0x57 },
+ { 0x40, 0x32, 0x32, 0x4F, 0x57 },
+ { 0x40, 0x32, 0x32, 0x4F, 0x57 }
+};
+
+static const unsigned char cs35l41_bst_k2_table[4][5] = {
+ { 0x24, 0x49, 0x66, 0xA3, 0xEA },
+ { 0x24, 0x49, 0x66, 0xA3, 0xEA },
+ { 0x48, 0x49, 0x66, 0xA3, 0xEA },
+ { 0x48, 0x49, 0x66, 0xA3, 0xEA }
+};
+
+static const unsigned char cs35l41_bst_slope_table[4] = {
+ 0x75, 0x6B, 0x3B, 0x28
+};
+
+
+int cs35l41_boost_config(struct device *dev, struct regmap *regmap, int boost_ind, int boost_cap,
+ int boost_ipk)
+{
+ unsigned char bst_lbst_val, bst_cbst_range, bst_ipk_scaled;
+ int ret;
+
+ switch (boost_ind) {
+ case 1000: /* 1.0 uH */
+ bst_lbst_val = 0;
+ break;
+ case 1200: /* 1.2 uH */
+ bst_lbst_val = 1;
+ break;
+ case 1500: /* 1.5 uH */
+ bst_lbst_val = 2;
+ break;
+ case 2200: /* 2.2 uH */
+ bst_lbst_val = 3;
+ break;
+ default:
+ dev_err(dev, "Invalid boost inductor value: %d nH\n", boost_ind);
+ return -EINVAL;
+ }
+
+ switch (boost_cap) {
+ case 0 ... 19:
+ bst_cbst_range = 0;
+ break;
+ case 20 ... 50:
+ bst_cbst_range = 1;
+ break;
+ case 51 ... 100:
+ bst_cbst_range = 2;
+ break;
+ case 101 ... 200:
+ bst_cbst_range = 3;
+ break;
+ default: /* 201 uF and greater */
+ bst_cbst_range = 4;
+ }
+
+ ret = regmap_update_bits(regmap, CS35L41_BSTCVRT_COEFF,
+ CS35L41_BST_K1_MASK | CS35L41_BST_K2_MASK,
+ cs35l41_bst_k1_table[bst_lbst_val][bst_cbst_range]
+ << CS35L41_BST_K1_SHIFT |
+ cs35l41_bst_k2_table[bst_lbst_val][bst_cbst_range]
+ << CS35L41_BST_K2_SHIFT);
+ if (ret) {
+ dev_err(dev, "Failed to write boost coefficients: %d\n", ret);
+ return ret;
+ }
+
+ ret = regmap_update_bits(regmap, CS35L41_BSTCVRT_SLOPE_LBST,
+ CS35L41_BST_SLOPE_MASK | CS35L41_BST_LBST_VAL_MASK,
+ cs35l41_bst_slope_table[bst_lbst_val]
+ << CS35L41_BST_SLOPE_SHIFT |
+ bst_lbst_val << CS35L41_BST_LBST_VAL_SHIFT);
+ if (ret) {
+ dev_err(dev, "Failed to write boost slope/inductor value: %d\n", ret);
+ return ret;
+ }
+
+ if (boost_ipk < 1600 || boost_ipk > 4500) {
+ dev_err(dev, "Invalid boost inductor peak current: %d mA\n", boost_ipk);
+ return -EINVAL;
+ }
+ bst_ipk_scaled = ((boost_ipk - 1600) / 50) + 0x10;
+
+ ret = regmap_update_bits(regmap, CS35L41_BSTCVRT_PEAK_CUR, CS35L41_BST_IPK_MASK,
+ bst_ipk_scaled << CS35L41_BST_IPK_SHIFT);
+ if (ret) {
+ dev_err(dev, "Failed to write boost inductor peak current: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(cs35l41_boost_config);
+
MODULE_DESCRIPTION("CS35L41 library");
MODULE_AUTHOR("David Rhodes, Cirrus Logic Inc, <david.rhodes@cirrus.com>");
MODULE_AUTHOR("Lucas Tanure, Cirrus Logic Inc, <tanureal@opensource.cirrus.com>");
diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c
index 88d6e77fdb50..d9e6e84e64d0 100644
--- a/sound/soc/codecs/cs35l41.c
+++ b/sound/soc/codecs/cs35l41.c
@@ -150,24 +150,6 @@ static const struct cs35l41_fs_mon_config cs35l41_fs_mon[] = {
{ 6144000, 16, 24 },
};

-static const unsigned char cs35l41_bst_k1_table[4][5] = {
- { 0x24, 0x32, 0x32, 0x4F, 0x57 },
- { 0x24, 0x32, 0x32, 0x4F, 0x57 },
- { 0x40, 0x32, 0x32, 0x4F, 0x57 },
- { 0x40, 0x32, 0x32, 0x4F, 0x57 }
-};
-
-static const unsigned char cs35l41_bst_k2_table[4][5] = {
- { 0x24, 0x49, 0x66, 0xA3, 0xEA },
- { 0x24, 0x49, 0x66, 0xA3, 0xEA },
- { 0x48, 0x49, 0x66, 0xA3, 0xEA },
- { 0x48, 0x49, 0x66, 0xA3, 0xEA }
-};
-
-static const unsigned char cs35l41_bst_slope_table[4] = {
- 0x75, 0x6B, 0x3B, 0x28
-};
-
static int cs35l41_get_fs_mon_config_index(int freq)
{
int i;
@@ -992,88 +974,6 @@ static int cs35l41_dai_set_sysclk(struct snd_soc_dai *dai,
return 0;
}

-static int cs35l41_boost_config(struct cs35l41_private *cs35l41,
- int boost_ind, int boost_cap, int boost_ipk)
-{
- unsigned char bst_lbst_val, bst_cbst_range, bst_ipk_scaled;
- struct regmap *regmap = cs35l41->regmap;
- struct device *dev = cs35l41->dev;
- int ret;
-
- switch (boost_ind) {
- case 1000: /* 1.0 uH */
- bst_lbst_val = 0;
- break;
- case 1200: /* 1.2 uH */
- bst_lbst_val = 1;
- break;
- case 1500: /* 1.5 uH */
- bst_lbst_val = 2;
- break;
- case 2200: /* 2.2 uH */
- bst_lbst_val = 3;
- break;
- default:
- dev_err(dev, "Invalid boost inductor value: %d nH\n", boost_ind);
- return -EINVAL;
- }
-
- switch (boost_cap) {
- case 0 ... 19:
- bst_cbst_range = 0;
- break;
- case 20 ... 50:
- bst_cbst_range = 1;
- break;
- case 51 ... 100:
- bst_cbst_range = 2;
- break;
- case 101 ... 200:
- bst_cbst_range = 3;
- break;
- default: /* 201 uF and greater */
- bst_cbst_range = 4;
- }
-
- ret = regmap_update_bits(regmap, CS35L41_BSTCVRT_COEFF,
- CS35L41_BST_K1_MASK | CS35L41_BST_K2_MASK,
- cs35l41_bst_k1_table[bst_lbst_val][bst_cbst_range]
- << CS35L41_BST_K1_SHIFT |
- cs35l41_bst_k2_table[bst_lbst_val][bst_cbst_range]
- << CS35L41_BST_K2_SHIFT);
- if (ret) {
- dev_err(dev, "Failed to write boost coefficients: %d\n", ret);
- return ret;
- }
-
- ret = regmap_update_bits(regmap, CS35L41_BSTCVRT_SLOPE_LBST,
- CS35L41_BST_SLOPE_MASK | CS35L41_BST_LBST_VAL_MASK,
- cs35l41_bst_slope_table[bst_lbst_val]
- << CS35L41_BST_SLOPE_SHIFT |
- bst_lbst_val << CS35L41_BST_LBST_VAL_SHIFT);
- if (ret) {
- dev_err(dev, "Failed to write boost slope/inductor value: %d\n", ret);
- return ret;
- }
-
- if (boost_ipk < 1600 || boost_ipk > 4500) {
- dev_err(dev, "Invalid boost inductor peak current: %d mA\n",
- boost_ipk);
- return -EINVAL;
- }
- bst_ipk_scaled = ((boost_ipk - 1600) / 50) + 0x10;
-
- ret = regmap_update_bits(regmap, CS35L41_BSTCVRT_PEAK_CUR,
- CS35L41_BST_IPK_MASK,
- bst_ipk_scaled << CS35L41_BST_IPK_SHIFT);
- if (ret) {
- dev_err(dev, "Failed to write boost inductor peak current: %d\n", ret);
- return ret;
- }
-
- return 0;
-}
-
static int cs35l41_set_pdata(struct cs35l41_private *cs35l41)
{
int ret;
@@ -1082,9 +982,8 @@ static int cs35l41_set_pdata(struct cs35l41_private *cs35l41)
/* Required */
if (cs35l41->pdata.bst_ipk &&
cs35l41->pdata.bst_ind && cs35l41->pdata.bst_cap) {
- ret = cs35l41_boost_config(cs35l41, cs35l41->pdata.bst_ind,
- cs35l41->pdata.bst_cap,
- cs35l41->pdata.bst_ipk);
+ ret = cs35l41_boost_config(cs35l41->dev, cs35l41->regmap, cs35l41->pdata.bst_ind,
+ cs35l41->pdata.bst_cap, cs35l41->pdata.bst_ipk);
if (ret) {
dev_err(cs35l41->dev, "Error in Boost DT config: %d\n", ret);
return ret;
--
2.34.1