diff options
author | Lucas Tanure <tanureal@opensource.cirrus.com> | 2021-12-17 14:57:00 +0300 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2021-12-31 16:21:01 +0300 |
commit | fe120d4cb6f6cd03007239e7c578b8703fe6d336 (patch) | |
tree | c03fa640cda3f2108d855b33d30f679ffe88bac0 /sound/soc/codecs/cs35l41.c | |
parent | a87d42227cf5614fe0040ddd1fe642c54298b42c (diff) | |
download | linux-fe120d4cb6f6cd03007239e7c578b8703fe6d336.tar.xz |
ASoC: cs35l41: Move cs35l41_otp_unpack to shared code
ASoC and HDA will do the same cs35l41_otp_unpack, so move it
to shared code
Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20211217115708.882525-3-tanureal@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/cs35l41.c')
-rw-r--r-- | sound/soc/codecs/cs35l41.c | 125 |
1 files changed, 1 insertions, 124 deletions
diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c index 60332eae1162..aa57c59b334d 100644 --- a/sound/soc/codecs/cs35l41.c +++ b/sound/soc/codecs/cs35l41.c @@ -14,7 +14,6 @@ #include <linux/moduleparam.h> #include <linux/of_device.h> #include <linux/property.h> -#include <linux/slab.h> #include <sound/initval.h> #include <sound/pcm.h> #include <sound/pcm_params.h> @@ -420,128 +419,6 @@ static const struct snd_kcontrol_new cs35l41_aud_controls[] = { WM_ADSP_FW_CONTROL("DSP1", 0), }; -static const struct cs35l41_otp_map_element_t *cs35l41_find_otp_map(u32 otp_id) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(cs35l41_otp_map_map); i++) { - if (cs35l41_otp_map_map[i].id == otp_id) - return &cs35l41_otp_map_map[i]; - } - - return NULL; -} - -static int cs35l41_otp_unpack(void *data) -{ - const struct cs35l41_otp_map_element_t *otp_map_match; - const struct cs35l41_otp_packed_element_t *otp_map; - struct cs35l41_private *cs35l41 = data; - int bit_offset, word_offset, ret, i; - unsigned int bit_sum = 8; - u32 otp_val, otp_id_reg; - u32 *otp_mem; - - otp_mem = kmalloc_array(CS35L41_OTP_SIZE_WORDS, sizeof(*otp_mem), GFP_KERNEL); - if (!otp_mem) - return -ENOMEM; - - ret = regmap_read(cs35l41->regmap, CS35L41_OTPID, &otp_id_reg); - if (ret < 0) { - dev_err(cs35l41->dev, "Read OTP ID failed: %d\n", ret); - goto err_otp_unpack; - } - - otp_map_match = cs35l41_find_otp_map(otp_id_reg); - - if (!otp_map_match) { - dev_err(cs35l41->dev, "OTP Map matching ID %d not found\n", - otp_id_reg); - ret = -EINVAL; - goto err_otp_unpack; - } - - ret = regmap_bulk_read(cs35l41->regmap, CS35L41_OTP_MEM0, otp_mem, - CS35L41_OTP_SIZE_WORDS); - if (ret < 0) { - dev_err(cs35l41->dev, "Read OTP Mem failed: %d\n", ret); - goto err_otp_unpack; - } - - otp_map = otp_map_match->map; - - bit_offset = otp_map_match->bit_offset; - word_offset = otp_map_match->word_offset; - - ret = regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x00000055); - if (ret < 0) { - dev_err(cs35l41->dev, "Write Unlock key failed 1/2: %d\n", ret); - goto err_otp_unpack; - } - ret = regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x000000AA); - if (ret < 0) { - dev_err(cs35l41->dev, "Write Unlock key failed 2/2: %d\n", ret); - goto err_otp_unpack; - } - - for (i = 0; i < otp_map_match->num_elements; i++) { - dev_dbg(cs35l41->dev, - "bitoffset= %d, word_offset=%d, bit_sum mod 32=%d\n", - bit_offset, word_offset, bit_sum % 32); - if (bit_offset + otp_map[i].size - 1 >= 32) { - otp_val = (otp_mem[word_offset] & - GENMASK(31, bit_offset)) >> - bit_offset; - otp_val |= (otp_mem[++word_offset] & - GENMASK(bit_offset + - otp_map[i].size - 33, 0)) << - (32 - bit_offset); - bit_offset += otp_map[i].size - 32; - } else { - otp_val = (otp_mem[word_offset] & - GENMASK(bit_offset + otp_map[i].size - 1, - bit_offset)) >> bit_offset; - bit_offset += otp_map[i].size; - } - bit_sum += otp_map[i].size; - - if (bit_offset == 32) { - bit_offset = 0; - word_offset++; - } - - if (otp_map[i].reg != 0) { - ret = regmap_update_bits(cs35l41->regmap, - otp_map[i].reg, - GENMASK(otp_map[i].shift + - otp_map[i].size - 1, - otp_map[i].shift), - otp_val << otp_map[i].shift); - if (ret < 0) { - dev_err(cs35l41->dev, "Write OTP val failed: %d\n", - ret); - goto err_otp_unpack; - } - } - } - - ret = regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x000000CC); - if (ret < 0) { - dev_err(cs35l41->dev, "Write Lock key failed 1/2: %d\n", ret); - goto err_otp_unpack; - } - ret = regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x00000033); - if (ret < 0) { - dev_err(cs35l41->dev, "Write Lock key failed 2/2: %d\n", ret); - goto err_otp_unpack; - } - ret = 0; - -err_otp_unpack: - kfree(otp_mem); - return ret; -} - static irqreturn_t cs35l41_irq(int irq, void *data) { struct cs35l41_private *cs35l41 = data; @@ -1667,7 +1544,7 @@ int cs35l41_probe(struct cs35l41_private *cs35l41, goto err; } - ret = cs35l41_otp_unpack(cs35l41); + ret = cs35l41_otp_unpack(cs35l41->dev, cs35l41->regmap); if (ret < 0) { dev_err(cs35l41->dev, "OTP Unpack failed: %d\n", ret); goto err; |