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ASoC: cs35l41: Create shared function for boost configuration

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

Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20211217115708.882525-7-tanureal@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Lucas Tanure 2021-12-17 11:57:04 +00:00 committed by Mark Brown
parent 3bc3e3da65
commit e8e4fcc047
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 102 additions and 103 deletions
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2
include/sound/cs35l41.h
View File

@ -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 */

98
sound/soc/codecs/cs35l41-lib.c
View File

@ -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>");

105
sound/soc/codecs/cs35l41.c
View File

@ -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;