Commit 7ed36e96 authored by Jyri Sarha's avatar Jyri Sarha Committed by Mark Brown
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ASoC: tlv320aic31xx: Choose PLL p divider automatically 



This simplifies aic31xx_divs table. There is no more need for p_val or
separate lines for 12 and 24 MHz mclks.

Signed-off-by: default avatarJyri Sarha <jsarha@ti.com>
Tested-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 94fe356f

sound/soc/codecs/tlv320aic31xx.c

+50 −51
Original line number Diff line number Diff line
@@ -167,13 +167,13 @@ struct aic31xx_priv { 
	struct regulator_bulk_data supplies[AIC31XX_NUM_SUPPLIES];

	struct aic31xx_disable_nb disable_nb[AIC31XX_NUM_SUPPLIES];

	unsigned int sysclk;

	u8 p_div;

	int rate_div_line;

};



struct aic31xx_rate_divs {

	u32 mclk;

	u32 mclk_p;

	u32 rate;

	u8 p_val;

	u8 pll_j;

	u16 pll_d;

	u16 dosr;
@@ -186,62 +186,51 @@ struct aic31xx_rate_divs { 


/* ADC dividers can be disabled by cofiguring them to 0 */

static const struct aic31xx_rate_divs aic31xx_divs[] = {

	/* mclk      rate  pll: p  j	 d     dosr ndac mdac  aors nadc madc */

	/* mclk/p    rate  pll: j     d        dosr ndac mdac  aors nadc madc */

	/* 8k rate */

	{12000000,   8000,	1, 8, 1920,	128,  48,  2,	128,  48,  2},

	{12000000,   8000,	1, 8, 1920,	128,  32,  3,	128,  32,  3},

	{24000000,   8000,	2, 8, 1920,	128,  48,  2,	128,  48,  2},

	{25000000,   8000,	2, 7, 8643,	128,  48,  2,	128,  48,  2},

	{12000000,   8000,	8, 1920,	128,  48,  2,	128,  48,  2},

	{12000000,   8000,	8, 1920,	128,  32,  3,	128,  32,  3},

	{12500000,   8000,	7, 8643,	128,  48,  2,	128,  48,  2},

	/* 11.025k rate */

	{12000000,  11025,	1, 7, 5264,	128,  32,  2,	128,  32,  2},

	{12000000,  11025,	1, 8, 4672,	128,  24,  3,	128,  24,  3},

	{24000000,  11025,	2, 7, 5264,	128,  32,  2,	128,  32,  2},

	{25000000,  11025,	2, 7, 2253,	128,  32,  2,	128,  32,  2},

	{12000000,  11025,	7, 5264,	128,  32,  2,	128,  32,  2},

	{12000000,  11025,	8, 4672,	128,  24,  3,	128,  24,  3},

	{12500000,  11025,	7, 2253,	128,  32,  2,	128,  32,  2},

	/* 16k rate */

	{12000000,  16000,	1, 8, 1920,	128,  24,  2,	128,  24,  2},

	{12000000,  16000,	1, 8, 1920,	128,  16,  3,	128,  16,  3},

	{24000000,  16000,	2, 8, 1920,	128,  24,  2,	128,  24,  2},

	{25000000,  16000,	2, 7, 8643,	128,  24,  2,	128,  24,  2},

	{12000000,  16000,	8, 1920,	128,  24,  2,	128,  24,  2},

	{12000000,  16000,	8, 1920,	128,  16,  3,	128,  16,  3},

	{12500000,  16000,	7, 8643,	128,  24,  2,	128,  24,  2},

	/* 22.05k rate */

	{12000000,  22050,	1, 7, 5264,	128,  16,  2,	128,  16,  2},

	{12000000,  22050,	1, 8, 4672,	128,  12,  3,	128,  12,  3},

	{24000000,  22050,	2, 7, 5264,	128,  16,  2,	128,  16,  2},

	{25000000,  22050,	2, 7, 2253,	128,  16,  2,	128,  16,  2},

	{12000000,  22050,	7, 5264,	128,  16,  2,	128,  16,  2},

	{12000000,  22050,	8, 4672,	128,  12,  3,	128,  12,  3},

	{12500000,  22050,	7, 2253,	128,  16,  2,	128,  16,  2},

	/* 32k rate */

	{12000000,  32000,	1, 8, 1920,	128,  12,  2,	128,  12,  2},

	{12000000,  32000,	1, 8, 1920,	128,   8,  3,	128,   8,  3},

	{24000000,  32000,	2, 8, 1920,	128,  12,  2,	128,  12,  2},

	{25000000,  32000,	2, 7, 8643,	128,  12,  2,	128,  12,  2},

	{12000000,  32000,	8, 1920,	128,  12,  2,	128,  12,  2},

	{12000000,  32000,	8, 1920,	128,   8,  3,	128,   8,  3},

	{12500000,  32000,	7, 8643,	128,  12,  2,	128,  12,  2},

	/* 44.1k rate */

	{12000000,  44100,	1, 7, 5264,	128,   8,  2,	128,   8,  2},

	{12000000,  44100,	1, 8, 4672,	128,   6,  3,	128,   6,  3},

	{24000000,  44100,	2, 7, 5264,	128,   8,  2,	128,   8,  2},

	{25000000,  44100,	2, 7, 2253,	128,   8,  2,	128,   8,  2},

	{12000000,  44100,	7, 5264,	128,   8,  2,	128,   8,  2},

	{12000000,  44100,	8, 4672,	128,   6,  3,	128,   6,  3},

	{12500000,  44100,	7, 2253,	128,   8,  2,	128,   8,  2},

	/* 48k rate */

	{12000000,  48000,	1, 8, 1920,	128,   8,  2,	128,   8,  2},

	{12000000,  48000,	1, 7, 6800,	 96,   5,  4,	 96,   5,  4},

	{24000000,  48000,	2, 8, 1920,	128,   8,  2,	128,   8,  2},

	{25000000,  48000,	2, 7, 8643,	128,   8,  2,	128,   8,  2},

	{12000000,  48000,	8, 1920,	128,   8,  2,	128,   8,  2},

	{12000000,  48000,	7, 6800,	 96,   5,  4,	 96,   5,  4},

	{12500000,  48000,	7, 8643,	128,   8,  2,	128,   8,  2},

	/* 88.2k rate */

	{12000000,  88200,	1, 7, 5264,	 64,   8,  2,	 64,   8,  2},

	{12000000,  88200,	1, 8, 4672,	 64,   6,  3,	 64,   6,  3},

	{24000000,  88200,	2, 7, 5264,	 64,   8,  2,	 64,   8,  2},

	{25000000,  88200,	2, 7, 2253,	 64,   8,  2,	 64,   8,  2},

	{12000000,  88200,	7, 5264,	 64,   8,  2,	 64,   8,  2},

	{12000000,  88200,	8, 4672,	 64,   6,  3,	 64,   6,  3},

	{12500000,  88200,	7, 2253,	 64,   8,  2,	 64,   8,  2},

	/* 96k rate */

	{12000000,  96000,	1, 8, 1920,	 64,   8,  2,	 64,   8,  2},

	{12000000,  96000,	1, 7, 6800,	 48,   5,  4,	 48,   5,  4},

	{24000000,  96000,	2, 8, 1920,	 64,   8,  2,	 64,   8,  2},

	{25000000,  96000,	2, 7, 8643,	 64,   8,  2,	 64,   8,  2},

	{12000000,  96000,	8, 1920,	 64,   8,  2,	 64,   8,  2},

	{12000000,  96000,	7, 6800,	 48,   5,  4,	 48,   5,  4},

	{12500000,  96000,	7, 8643,	 64,   8,  2,	 64,   8,  2},

	/* 176.4k rate */

	{12000000, 176400,	1, 7, 5264,	 32,   8,  2,	 32,   8,  2},

	{12000000, 176400,	1, 8, 4672,	 32,   6,  3,	 32,   6,  3},

	{24000000, 176400,	2, 7, 5264,	 32,   8,  2,	 32,   8,  2},

	{25000000, 176400,	2, 7, 2253,	 32,   8,  2,	 32,   8,  2},

	{12000000, 176400,	7, 5264,	 32,   8,  2,	 32,   8,  2},

	{12000000, 176400,	8, 4672,	 32,   6,  3,	 32,   6,  3},

	{12500000, 176400,	7, 2253,	 32,   8,  2,	 32,   8,  2},

	/* 192k rate */

	{12000000, 192000,	1, 8, 1920,	 32,   8,  2,	 32,   8,  2},

	{12000000, 192000,	1, 7, 6800,	 24,   5,  4,	 24,   5,  4},

	{24000000, 192000,	2, 8, 1920,	 32,   8,  2,	 32,   8,  2},

	{25000000, 192000,	2, 7, 8643,	 32,   8,  2,	 32,   8,  2},

	{12000000, 192000,	8, 1920,	 32,   8,  2,	 32,   8,  2},

	{12000000, 192000,	7, 6800,	 24,   5,  4,	 24,   5,  4},

	{12500000, 192000,	7, 8643,	 32,   8,  2,	 32,   8,  2},

};



static const char * const ldac_in_text[] = {
@@ -692,6 +681,7 @@ static int aic31xx_setup_pll(struct snd_soc_codec *codec, 
{

	struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);

	int bclk_score = snd_soc_params_to_frame_size(params);

	int mclk_p = aic31xx->sysclk / aic31xx->p_div;

	int bclk_n = 0;

	int match = -1;

	int i;
@@ -704,7 +694,7 @@ static int aic31xx_setup_pll(struct snd_soc_codec *codec, 


	for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) {

		if (aic31xx_divs[i].rate == params_rate(params) &&

		    aic31xx_divs[i].mclk == aic31xx->sysclk) {

		    aic31xx_divs[i].mclk_p == mclk_p) {

			int s =	(aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) %

				snd_soc_params_to_frame_size(params);

			int bn = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) /
@@ -738,7 +728,7 @@ static int aic31xx_setup_pll(struct snd_soc_codec *codec, 


	/* PLL configuration */

	snd_soc_update_bits(codec, AIC31XX_PLLPR, AIC31XX_PLL_MASK,

			    (aic31xx_divs[i].p_val << 4) | 0x01);

			    (aic31xx->p_div << 4) | 0x01);

	snd_soc_write(codec, AIC31XX_PLLJ, aic31xx_divs[i].pll_j);



	snd_soc_write(codec, AIC31XX_PLLDMSB,
@@ -772,7 +762,7 @@ static int aic31xx_setup_pll(struct snd_soc_codec *codec, 
	dev_dbg(codec->dev,

		"pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n",

		aic31xx_divs[i].pll_j, aic31xx_divs[i].pll_d,

		aic31xx_divs[i].p_val, aic31xx_divs[i].dosr,

		aic31xx->p_div, aic31xx_divs[i].dosr,

		aic31xx_divs[i].ndac, aic31xx_divs[i].mdac,

		aic31xx_divs[i].aosr, aic31xx_divs[i].nadc,

		aic31xx_divs[i].madc, bclk_n);
@@ -912,7 +902,16 @@ static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai, 
	dev_dbg(codec->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n",

		__func__, clk_id, freq, dir);



	for (i = 0; aic31xx_divs[i].mclk != freq; i++) {

	for (i = 1; freq/i > 20000000 && i < 8; i++)

		;

	if (freq/i > 20000000) {

		dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n",

			__func__, freq);

			return -EINVAL;

	}

	aic31xx->p_div = i;



	for (i = 0; aic31xx_divs[i].mclk_p != freq/aic31xx->p_div; i++) {

		if (i == ARRAY_SIZE(aic31xx_divs)) {

			dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n",

				__func__, freq);