diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0349-ASoC-tlv320aic32x4-Model-BDIV-divider-in-CCF.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0349-ASoC-tlv320aic32x4-Model-BDIV-divider-in-CCF.patch | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0349-ASoC-tlv320aic32x4-Model-BDIV-divider-in-CCF.patch b/target/linux/brcm2708/patches-4.19/950-0349-ASoC-tlv320aic32x4-Model-BDIV-divider-in-CCF.patch new file mode 100644 index 0000000000..708e449275 --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0349-ASoC-tlv320aic32x4-Model-BDIV-divider-in-CCF.patch @@ -0,0 +1,210 @@ +From 69f3f8c51077d0f3dc7f46c2c9a94da899d8eb7c Mon Sep 17 00:00:00 2001 +From: Annaliese McDermond <nh6z@nh6z.net> +Date: Thu, 21 Mar 2019 17:58:48 -0700 +Subject: [PATCH] ASoC: tlv320aic32x4: Model BDIV divider in CCF + +commit 9b484124ebd906c4d6bc826cc0d417e80cc1105c upstream. + +Model and manage BDIV divider as components in the Core +Clock Framework. This should allow us to do some more complex +clock management and power control. Also, some of the +on-board chip clocks can be exposed to the outside, and this +change will make those clocks easier to consume by other +parts of the kernel. + +Signed-off-by: Annaliese McDermond <nh6z@nh6z.net> +Signed-off-by: Mark Brown <broonie@kernel.org> +--- + sound/soc/codecs/tlv320aic32x4-clk.c | 36 ++++++++++++++++++ + sound/soc/codecs/tlv320aic32x4.c | 56 +++++++++++++--------------- + 2 files changed, 62 insertions(+), 30 deletions(-) + +--- a/sound/soc/codecs/tlv320aic32x4-clk.c ++++ b/sound/soc/codecs/tlv320aic32x4-clk.c +@@ -351,6 +351,34 @@ static const struct clk_ops aic32x4_div_ + .recalc_rate = clk_aic32x4_div_recalc_rate, + }; + ++static int clk_aic32x4_bdiv_set_parent(struct clk_hw *hw, u8 index) ++{ ++ struct clk_aic32x4 *mux = to_clk_aic32x4(hw); ++ ++ return regmap_update_bits(mux->regmap, AIC32X4_IFACE3, ++ AIC32X4_BDIVCLK_MASK, index); ++} ++ ++static u8 clk_aic32x4_bdiv_get_parent(struct clk_hw *hw) ++{ ++ struct clk_aic32x4 *mux = to_clk_aic32x4(hw); ++ unsigned int val; ++ ++ regmap_read(mux->regmap, AIC32X4_IFACE3, &val); ++ ++ return val & AIC32X4_BDIVCLK_MASK; ++} ++ ++static const struct clk_ops aic32x4_bdiv_ops = { ++ .prepare = clk_aic32x4_div_prepare, ++ .unprepare = clk_aic32x4_div_unprepare, ++ .set_parent = clk_aic32x4_bdiv_set_parent, ++ .get_parent = clk_aic32x4_bdiv_get_parent, ++ .set_rate = clk_aic32x4_div_set_rate, ++ .round_rate = clk_aic32x4_div_round_rate, ++ .recalc_rate = clk_aic32x4_div_recalc_rate, ++}; ++ + static struct aic32x4_clkdesc aic32x4_clkdesc_array[] = { + { + .name = "pll", +@@ -396,6 +424,14 @@ static struct aic32x4_clkdesc aic32x4_cl + .ops = &aic32x4_div_ops, + .reg = AIC32X4_MADC, + }, ++ { ++ .name = "bdiv", ++ .parent_names = ++ (const char *[]) { "ndac", "mdac", "nadc", "madc" }, ++ .num_parents = 4, ++ .ops = &aic32x4_bdiv_ops, ++ .reg = AIC32X4_BCLKN, ++ }, + }; + + static struct clk *aic32x4_register_clk(struct device *dev, +--- a/sound/soc/codecs/tlv320aic32x4.c ++++ b/sound/soc/codecs/tlv320aic32x4.c +@@ -57,7 +57,7 @@ struct aic32x4_rate_divs { + u8 aosr; + unsigned long nadc_rate; + unsigned long madc_rate; +- u8 blck_N; ++ unsigned long bdiv_rate; + u8 r_block; + u8 p_block; + }; +@@ -310,53 +310,53 @@ static const struct snd_kcontrol_new aic + static const struct aic32x4_rate_divs aic32x4_divs[] = { + /* 8k rate */ + { 12000000, 8000, 57120000, 768, 18432000, 6144000, 128, 18432000, +- 1024000, 24, 1, 1 }, ++ 1024000, 256000, 1, 1 }, + { 24000000, 8000, 57120000, 768, 6144000, 6144000, 64, 2048000, +- 512000, 24, 1, 1 }, ++ 512000, 256000, 1, 1 }, + { 25000000, 8000, 32620000, 768, 6144000, 6144000, 64, 2048000, +- 512000, 24, 1, 1 }, ++ 512000, 256000, 1, 1 }, + /* 11.025k rate */ + { 12000000, 11025, 44217600, 512, 11289600, 5644800, 128, 11289600, +- 1411200, 16, 1, 1 }, ++ 1411200, 352800, 1, 1 }, + { 24000000, 11025, 44217600, 512, 5644800, 5644800, 64, 2822400, +- 705600, 16, 1, 1 }, ++ 705600, 352800, 1, 1 }, + /* 16k rate */ + { 12000000, 16000, 57120000, 384, 18432000, 6144000, 128, 18432000, +- 2048000, 12, 1, 1 }, ++ 2048000, 512000, 1, 1 }, + { 24000000, 16000, 57120000, 384, 6144000, 6144000, 64, 5120000, +- 1024000, 12, 1, 1 }, ++ 1024000, 512000, 1, 1 }, + { 25000000, 16000, 32620000, 384, 6144000, 6144000, 64, 5120000, +- 1024000, 12, 1, 1 }, ++ 1024000, 512000, 1, 1 }, + /* 22.05k rate */ + { 12000000, 22050, 44217600, 256, 22579200, 5644800, 128, 22579200, +- 2822400, 8, 1, 1 }, ++ 2822400, 705600, 1, 1 }, + { 24000000, 22050, 44217600, 256, 5644800, 5644800, 64, 5644800, +- 1411200, 8, 1, 1 }, ++ 1411200, 705600, 1, 1 }, + { 25000000, 22050, 19713750, 256, 5644800, 5644800, 64, 5644800, +- 1411200, 8, 1, 1 }, ++ 1411200, 705600, 1, 1 }, + /* 32k rate */ + { 12000000, 32000, 14112000, 192, 43008000, 6144000, 64, 43008000, +- 2048000, 6, 1, 1 }, ++ 2048000, 1024000, 1, 1 }, + { 24000000, 32000, 14112000, 192, 12288000, 6144000, 64, 12288000, +- 2048000, 6, 1, 1 }, ++ 2048000, 1024000, 1, 1 }, + /* 44.1k rate */ + { 12000000, 44100, 44217600, 128, 45158400, 5644800, 128, 45158400, +- 5644800, 4, 1, 1 }, ++ 5644800, 1411200, 1, 1 }, + { 24000000, 44100, 44217600, 128, 11289600, 5644800, 64, 11289600, +- 2822400, 4, 1, 1 }, ++ 2822400, 1411200, 1, 1 }, + { 25000000, 44100, 19713750, 128, 11289600, 5644800, 64, 11289600, +- 2822400, 4, 1, 1 }, ++ 2822400, 1411200, 1, 1 }, + /* 48k rate */ + { 12000000, 48000, 18432000, 128, 49152000, 6144000, 128, 49152000, +- 6144000, 4, 1, 1 }, ++ 6144000, 1536000, 1, 1 }, + { 24000000, 48000, 18432000, 128, 12288000, 6144000, 64, 12288000, +- 3072000, 4, 1, 1 }, ++ 3072000, 1536000, 1, 1 }, + { 25000000, 48000, 75626250, 128, 12288000, 6144000, 64, 12288000, +- 3072000, 4, 1, 1 }, ++ 3072000, 1536000, 1, 1 }, + + /* 96k rate */ + { 25000000, 96000, 75626250, 64, 24576000, 6144000, 64, 24576000, +- 6144000, 1, 1, 9 }, ++ 6144000, 3072000, 1, 9 }, + }; + + static const struct snd_kcontrol_new hpl_output_mixer_controls[] = { +@@ -745,6 +745,7 @@ static int aic32x4_setup_clocks(struct s + { .id = "madc" }, + { .id = "ndac" }, + { .id = "mdac" }, ++ { .id = "bdiv" }, + }; + + i = aic32x4_get_divs(parent_rate, sample_rate); +@@ -762,14 +763,10 @@ static int aic32x4_setup_clocks(struct s + clk_set_rate(clocks[2].clk, aic32x4_divs[i].madc_rate); + clk_set_rate(clocks[3].clk, aic32x4_divs[i].ndac_rate); + clk_set_rate(clocks[4].clk, aic32x4_divs[i].mdac_rate); ++ clk_set_rate(clocks[5].clk, aic32x4_divs[i].bdiv_rate); + + aic32x4_set_processing_blocks(component, aic32x4_divs[i].r_block, aic32x4_divs[i].p_block); + +- /* DAC_MOD_CLK as BDIV_CLKIN */ +- snd_soc_component_update_bits(component, AIC32X4_IFACE3, +- AIC32X4_BDIVCLK_MASK, +- AIC32X4_DACMOD2BCLK << AIC32X4_BDIVCLK_SHIFT); +- + /* DOSR MSB & LSB values */ + snd_soc_component_write(component, AIC32X4_DOSRMSB, aic32x4_divs[i].dosr >> 8); + snd_soc_component_write(component, AIC32X4_DOSRLSB, (aic32x4_divs[i].dosr & 0xff)); +@@ -777,10 +774,6 @@ static int aic32x4_setup_clocks(struct s + /* AOSR value */ + snd_soc_component_write(component, AIC32X4_AOSR, aic32x4_divs[i].aosr); + +- /* BCLK N divider */ +- snd_soc_component_update_bits(component, AIC32X4_BCLKN, +- AIC32X4_BCLK_MASK, aic32x4_divs[i].blck_N); +- + return 0; + } + +@@ -1003,6 +996,8 @@ static int aic32x4_component_probe(struc + struct clk_bulk_data clocks[] = { + { .id = "codec_clkin" }, + { .id = "pll" }, ++ { .id = "bdiv" }, ++ { .id = "mdac" }, + }; + + ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks); +@@ -1020,6 +1015,7 @@ static int aic32x4_component_probe(struc + aic32x4_setup_gpios(component); + + clk_set_parent(clocks[0].clk, clocks[1].clk); ++ clk_set_parent(clocks[2].clk, clocks[3].clk); + + /* Power platform configuration */ + if (aic32x4->power_cfg & AIC32X4_PWR_MICBIAS_2075_LDOIN) { |