target/linux/mediatek/patches-4.14/0185-ASoC-mediatek-modify-MT2701-AFE-driver-to-adapt-mfd-.patch

   1 From 310ca2954c7cce10d716001ff869bc255494e3df Mon Sep 17 00:00:00 2001
   2 From: Ryder Lee <ryder.lee@mediatek.com>
   3 Date: Thu, 4 Jan 2018 15:44:08 +0800
   4 Subject: [PATCH 185/224] ASoC: mediatek: modify MT2701 AFE driver to adapt mfd
   5  device
   6
   7 As the new MFD parent is in place, modify MT2701 AFE driver to adapt it.
   8
   9 Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
  10 Signed-off-by: Mark Brown <broonie@kernel.org>
  11 ---
  12  sound/soc/mediatek/mt2701/mt2701-afe-pcm.c | 45 +++++++++++++-----------------
  13  sound/soc/mediatek/mt2701/mt2701-reg.h     |  1 -
  14  2 files changed, 20 insertions(+), 26 deletions(-)
  15
  16 --- a/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
  17 +++ b/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
  18 @@ -17,6 +17,7 @@
  19
  20  #include <linux/delay.h>
  21  #include <linux/module.h>
  22 +#include <linux/mfd/syscon.h>
  23  #include <linux/of.h>
  24  #include <linux/of_address.h>
  25  #include <linux/pm_runtime.h>
  26 @@ -1368,14 +1369,6 @@ static const struct mt2701_i2s_data mt27
  27         },
  28  };
  29
  30 -static const struct regmap_config mt2701_afe_regmap_config = {
  31 -       .reg_bits = 32,
  32 -       .reg_stride = 4,
  33 -       .val_bits = 32,
  34 -       .max_register = AFE_END_ADDR,
  35 -       .cache_type = REGCACHE_NONE,
  36 -};
  37 -
  38  static irqreturn_t mt2701_asys_isr(int irq_id, void *dev)
  39  {
  40         int id;
  41 @@ -1414,9 +1407,9 @@ static int mt2701_afe_runtime_resume(str
  42
  43  static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev)
  44  {
  45 +       struct snd_soc_component *component;
  46         struct mtk_base_afe *afe;
  47         struct mt2701_afe_private *afe_priv;
  48 -       struct resource *res;
  49         struct device *dev;
  50         int i, irq_id, ret;
  51
  52 @@ -1446,17 +1439,11 @@ static int mt2701_afe_pcm_dev_probe(stru
  53                 return ret;
  54         }
  55
  56 -       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
  57 -
  58 -       afe->base_addr = devm_ioremap_resource(&pdev->dev, res);
  59 -
  60 -       if (IS_ERR(afe->base_addr))
  61 -               return PTR_ERR(afe->base_addr);
  62 -
  63 -       afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr,
  64 -               &mt2701_afe_regmap_config);
  65 -       if (IS_ERR(afe->regmap))
  66 -               return PTR_ERR(afe->regmap);
  67 +       afe->regmap = syscon_node_to_regmap(dev->parent->of_node);
  68 +       if (!afe->regmap) {
  69 +               dev_err(dev, "could not get regmap from parent\n");
  70 +               return -ENODEV;
  71 +       }
  72
  73         mutex_init(&afe->irq_alloc_lock);
  74
  75 @@ -1490,6 +1477,12 @@ static int mt2701_afe_pcm_dev_probe(stru
  76                         = &mt2701_i2s_data[i][I2S_IN];
  77         }
  78
  79 +       component = kzalloc(sizeof(*component), GFP_KERNEL);
  80 +       if (!component)
  81 +               return -ENOMEM;
  82 +
  83 +       component->regmap = afe->regmap;
  84 +
  85         afe->mtk_afe_hardware = &mt2701_afe_hardware;
  86         afe->memif_fs = mt2701_memif_fs;
  87         afe->irq_fs = mt2701_irq_fs;
  88 @@ -1502,7 +1495,7 @@ static int mt2701_afe_pcm_dev_probe(stru
  89         ret = mt2701_init_clock(afe);
  90         if (ret) {
  91                 dev_err(dev, "init clock error\n");
  92 -               return ret;
  93 +               goto err_init_clock;
  94         }
  95
  96         platform_set_drvdata(pdev, afe);
  97 @@ -1521,10 +1514,10 @@ static int mt2701_afe_pcm_dev_probe(stru
  98                 goto err_platform;
  99         }
 100
 101 -       ret = snd_soc_register_component(&pdev->dev,
 102 -                                        &mt2701_afe_pcm_dai_component,
 103 -                                        mt2701_afe_pcm_dais,
 104 -                                        ARRAY_SIZE(mt2701_afe_pcm_dais));
 105 +       ret = snd_soc_add_component(dev, component,
 106 +                                   &mt2701_afe_pcm_dai_component,
 107 +                                   mt2701_afe_pcm_dais,
 108 +                                   ARRAY_SIZE(mt2701_afe_pcm_dais));
 109         if (ret) {
 110                 dev_warn(dev, "err_dai_component\n");
 111                 goto err_dai_component;
 112 @@ -1538,6 +1531,8 @@ err_platform:
 113         pm_runtime_put_sync(dev);
 114  err_pm_disable:
 115         pm_runtime_disable(dev);
 116 +err_init_clock:
 117 +       kfree(component);
 118
 119         return ret;
 120  }
 121 --- a/sound/soc/mediatek/mt2701/mt2701-reg.h
 122 +++ b/sound/soc/mediatek/mt2701/mt2701-reg.h
 123 @@ -145,5 +145,4 @@
 124  #define ASYS_I2S_CON_WIDE_MODE_SET(x)  ((x) << 1)
 125  #define ASYS_I2S_IN_PHASE_FIX          (0x1 << 31)
 126
 127 -#define AFE_END_ADDR 0x15e0
 128  #endif