ASoC: da7210: Update for using I2C regmap
Current DA7210 driver has I2C support using older register cache methods. This patch updates it for latest regmap framework. This has been tested on DA7210 EVB with Samsung SMDK6410 board. Signed-off-by: Ashish Chavan <ashish.chavan@kpitcummins.com> Signed-off-by: David Dajun Chen <dchen@diasemi.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Ashish Chavan
Mark Brown
parent
8d8bf58b06
commit
33593b52eb
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@ -17,6 +17,7 @@
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#include <linux/delay.h>
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#include <linux/i2c.h>
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#include <linux/regmap.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <sound/pcm.h>
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@ -626,41 +627,170 @@ static const struct snd_soc_dapm_route da7210_audio_map[] = {
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/* Codec private data */
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struct da7210_priv {
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enum snd_soc_control_type control_type;
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struct regmap *regmap;
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};
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/*
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* Register cache
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*/
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static const u8 da7210_reg[] = {
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0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R0 - R7 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, /* R8 - RF */
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0x00, 0x00, 0x00, 0x00, 0x08, 0x10, 0x10, 0x54, /* R10 - R17 */
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0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R18 - R1F */
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0x00, 0x00, 0x00, 0x02, 0x00, 0x76, 0x00, 0x00, /* R20 - R27 */
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0x04, 0x00, 0x00, 0x30, 0x2A, 0x00, 0x40, 0x00, /* R28 - R2F */
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0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, /* R30 - R37 */
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0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, /* R38 - R3F */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R40 - R4F */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R48 - R4F */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R50 - R57 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R58 - R5F */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R60 - R67 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R68 - R6F */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R70 - R77 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x54, 0x00, /* R78 - R7F */
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0x00, 0x00, 0x2C, 0x00, 0x00, 0x00, 0x00, 0x00, /* R80 - R87 */
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0x00, /* R88 */
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static struct reg_default da7210_reg_defaults[] = {
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{ 0x00, 0x00 },
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{ 0x01, 0x11 },
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{ 0x02, 0x00 },
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{ 0x03, 0x00 },
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{ 0x04, 0x00 },
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{ 0x05, 0x00 },
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{ 0x06, 0x00 },
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{ 0x07, 0x00 },
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{ 0x08, 0x00 },
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{ 0x09, 0x00 },
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{ 0x0a, 0x00 },
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{ 0x0b, 0x00 },
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{ 0x0c, 0x00 },
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{ 0x0d, 0x00 },
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{ 0x0e, 0x00 },
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{ 0x0f, 0x08 },
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{ 0x10, 0x00 },
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{ 0x11, 0x00 },
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{ 0x12, 0x00 },
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{ 0x13, 0x00 },
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{ 0x14, 0x08 },
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{ 0x15, 0x10 },
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{ 0x16, 0x10 },
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{ 0x17, 0x54 },
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{ 0x18, 0x40 },
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{ 0x19, 0x00 },
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{ 0x1a, 0x00 },
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{ 0x1b, 0x00 },
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{ 0x1c, 0x00 },
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{ 0x1d, 0x00 },
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{ 0x1e, 0x00 },
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{ 0x1f, 0x00 },
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{ 0x20, 0x00 },
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{ 0x21, 0x00 },
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{ 0x22, 0x00 },
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{ 0x23, 0x02 },
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{ 0x24, 0x00 },
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{ 0x25, 0x76 },
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{ 0x26, 0x00 },
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{ 0x27, 0x00 },
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{ 0x28, 0x04 },
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{ 0x29, 0x00 },
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{ 0x2a, 0x00 },
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{ 0x2b, 0x30 },
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{ 0x2c, 0x2A },
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{ 0x2d, 0x00 },
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{ 0x2e, 0x40 },
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{ 0x2f, 0x00 },
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{ 0x30, 0x40 },
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{ 0x31, 0x00 },
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{ 0x32, 0x40 },
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{ 0x33, 0x00 },
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{ 0x34, 0x40 },
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{ 0x35, 0x00 },
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{ 0x36, 0x40 },
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{ 0x37, 0x00 },
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{ 0x38, 0x40 },
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{ 0x39, 0x00 },
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{ 0x3a, 0x40 },
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{ 0x3b, 0x00 },
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{ 0x3c, 0x40 },
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{ 0x3d, 0x00 },
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{ 0x3e, 0x00 },
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{ 0x3f, 0x00 },
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{ 0x40, 0x00 },
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{ 0x41, 0x00 },
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{ 0x42, 0x00 },
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{ 0x43, 0x00 },
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{ 0x44, 0x00 },
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{ 0x45, 0x00 },
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{ 0x46, 0x00 },
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{ 0x47, 0x00 },
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{ 0x48, 0x00 },
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{ 0x49, 0x00 },
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{ 0x4a, 0x00 },
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{ 0x4b, 0x00 },
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{ 0x4c, 0x00 },
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{ 0x4d, 0x00 },
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{ 0x4e, 0x00 },
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{ 0x4f, 0x00 },
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{ 0x50, 0x00 },
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{ 0x51, 0x00 },
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{ 0x52, 0x00 },
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{ 0x53, 0x00 },
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{ 0x54, 0x00 },
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{ 0x55, 0x00 },
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{ 0x56, 0x00 },
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{ 0x57, 0x00 },
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{ 0x58, 0x00 },
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{ 0x59, 0x00 },
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{ 0x5a, 0x00 },
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{ 0x5b, 0x00 },
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{ 0x5c, 0x00 },
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{ 0x5d, 0x00 },
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{ 0x5e, 0x00 },
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{ 0x5f, 0x00 },
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{ 0x60, 0x00 },
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{ 0x61, 0x00 },
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{ 0x62, 0x00 },
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{ 0x63, 0x00 },
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{ 0x64, 0x00 },
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{ 0x65, 0x00 },
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{ 0x66, 0x00 },
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{ 0x67, 0x00 },
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{ 0x68, 0x00 },
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{ 0x69, 0x00 },
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{ 0x6a, 0x00 },
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{ 0x6b, 0x00 },
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{ 0x6c, 0x00 },
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{ 0x6d, 0x00 },
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{ 0x6e, 0x00 },
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{ 0x6f, 0x00 },
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{ 0x70, 0x00 },
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{ 0x71, 0x00 },
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{ 0x72, 0x00 },
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{ 0x73, 0x00 },
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{ 0x74, 0x00 },
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{ 0x75, 0x00 },
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{ 0x76, 0x00 },
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{ 0x77, 0x00 },
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{ 0x78, 0x00 },
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{ 0x79, 0x00 },
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{ 0x7a, 0x00 },
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{ 0x7b, 0x00 },
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{ 0x7c, 0x00 },
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{ 0x7d, 0x54 },
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{ 0x7e, 0x54 },
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{ 0x7f, 0x00 },
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{ 0x80, 0x00 },
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{ 0x81, 0x00 },
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{ 0x82, 0x2c },
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{ 0x83, 0x00 },
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{ 0x84, 0x00 },
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{ 0x85, 0x00 },
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{ 0x86, 0x00 },
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{ 0x87, 0x00 },
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{ 0x88, 0x00 },
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};
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static int da7210_volatile_register(struct snd_soc_codec *codec,
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static bool da7210_readable_register(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case DA7210_A_HID_UNLOCK:
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case DA7210_A_TEST_UNLOCK:
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case DA7210_A_PLL1:
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case DA7210_A_CP_MODE:
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return false;
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default:
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return true;
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}
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}
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static bool da7210_volatile_register(struct device *dev,
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unsigned int reg)
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{
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switch (reg) {
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case DA7210_STATUS:
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return 1;
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return true;
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default:
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return 0;
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return false;
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}
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}
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@ -866,7 +996,8 @@ static int da7210_probe(struct snd_soc_codec *codec)
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dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION);
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ret = snd_soc_codec_set_cache_io(codec, 8, 8, da7210->control_type);
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codec->control_data = da7210->regmap;
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ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
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if (ret < 0) {
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dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
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return ret;
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@ -983,12 +1114,14 @@ static int da7210_probe(struct snd_soc_codec *codec)
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snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_EN, DA7210_PLL_EN);
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/* As suggested by Dialog */
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snd_soc_write(codec, DA7210_A_HID_UNLOCK, 0x8B); /* unlock */
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snd_soc_write(codec, DA7210_A_TEST_UNLOCK, 0xB4);
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snd_soc_write(codec, DA7210_A_PLL1, 0x01);
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snd_soc_write(codec, DA7210_A_CP_MODE, 0x7C);
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snd_soc_write(codec, DA7210_A_HID_UNLOCK, 0x00); /* re-lock */
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snd_soc_write(codec, DA7210_A_TEST_UNLOCK, 0x00);
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/* unlock */
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regmap_write(da7210->regmap, DA7210_A_HID_UNLOCK, 0x8B);
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regmap_write(da7210->regmap, DA7210_A_TEST_UNLOCK, 0xB4);
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regmap_write(da7210->regmap, DA7210_A_PLL1, 0x01);
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regmap_write(da7210->regmap, DA7210_A_CP_MODE, 0x7C);
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/* re-lock */
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regmap_write(da7210->regmap, DA7210_A_HID_UNLOCK, 0x00);
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regmap_write(da7210->regmap, DA7210_A_TEST_UNLOCK, 0x00);
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/* Activate all enabled subsystem */
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snd_soc_write(codec, DA7210_STARTUP1, DA7210_SC_MST_EN);
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@ -1000,10 +1133,6 @@ static int da7210_probe(struct snd_soc_codec *codec)
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static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
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.probe = da7210_probe,
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.reg_cache_size = ARRAY_SIZE(da7210_reg),
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.reg_word_size = sizeof(u8),
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.reg_cache_default = da7210_reg,
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.volatile_register = da7210_volatile_register,
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.controls = da7210_snd_controls,
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.num_controls = ARRAY_SIZE(da7210_snd_controls),
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@ -1014,6 +1143,17 @@ static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
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.num_dapm_routes = ARRAY_SIZE(da7210_audio_map),
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};
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static struct regmap_config da7210_regmap = {
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.reg_bits = 8,
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.val_bits = 8,
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.reg_defaults = da7210_reg_defaults,
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.num_reg_defaults = ARRAY_SIZE(da7210_reg_defaults),
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.volatile_reg = da7210_volatile_register,
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.readable_reg = da7210_readable_register,
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.cache_type = REGCACHE_RBTREE,
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};
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#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
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static int __devinit da7210_i2c_probe(struct i2c_client *i2c,
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const struct i2c_device_id *id)
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@ -1027,16 +1167,34 @@ static int __devinit da7210_i2c_probe(struct i2c_client *i2c,
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return -ENOMEM;
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i2c_set_clientdata(i2c, da7210);
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da7210->control_type = SND_SOC_I2C;
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da7210->regmap = regmap_init_i2c(i2c, &da7210_regmap);
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if (IS_ERR(da7210->regmap)) {
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ret = PTR_ERR(da7210->regmap);
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dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
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return ret;
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}
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ret = snd_soc_register_codec(&i2c->dev,
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&soc_codec_dev_da7210, &da7210_dai, 1);
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if (ret < 0) {
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dev_err(&i2c->dev, "Failed to register codec: %d\n", ret);
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goto err_regmap;
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}
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return ret;
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err_regmap:
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regmap_exit(da7210->regmap);
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return ret;
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}
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static int __devexit da7210_i2c_remove(struct i2c_client *client)
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{
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struct da7210_priv *da7210 = i2c_get_clientdata(client);
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snd_soc_unregister_codec(&client->dev);
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regmap_exit(da7210->regmap);
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return 0;
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}
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