This allows play and pause to be called from multiple places, which is necessary for system suspend and resume.
Signed-off-by: Stefan Binding sbinding@opensource.cirrus.com --- sound/pci/hda/cs35l41_hda.c | 131 ++++++++++++++++++++++-------------- 1 file changed, 79 insertions(+), 52 deletions(-)
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index d4a11f7b5dbd1..f77583b46b6b0 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -483,63 +483,103 @@ static void cs35l41_irq_release(struct cs35l41_hda *cs35l41) cs35l41->irq_errors = 0; }
-static void cs35l41_hda_playback_hook(struct device *dev, int action) +static void cs35l41_hda_play_start(struct device *dev) { struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); struct regmap *reg = cs35l41->regmap; - int ret = 0; + + dev_dbg(dev, "Play (Start)\n"); + + if (cs35l41->playback_started) { + dev_dbg(dev, "Playback already started."); + return; + } + + cs35l41->playback_started = true; + + if (cs35l41->firmware_running) { + regmap_multi_reg_write(reg, cs35l41_hda_config_dsp, + ARRAY_SIZE(cs35l41_hda_config_dsp)); + regmap_update_bits(reg, CS35L41_PWR_CTRL2, + CS35L41_VMON_EN_MASK | CS35L41_IMON_EN_MASK, + 1 << CS35L41_VMON_EN_SHIFT | 1 << CS35L41_IMON_EN_SHIFT); + cs35l41_set_cspl_mbox_cmd(cs35l41->dev, reg, CSPL_MBOX_CMD_RESUME); + } else { + regmap_multi_reg_write(reg, cs35l41_hda_config, ARRAY_SIZE(cs35l41_hda_config)); + } + regmap_update_bits(reg, CS35L41_PWR_CTRL2, CS35L41_AMP_EN_MASK, 1 << CS35L41_AMP_EN_SHIFT); + if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST) + regmap_write(reg, CS35L41_GPIO1_CTRL1, 0x00008001); + +} + +static void cs35l41_hda_play_done(struct device *dev) +{ + struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); + struct regmap *reg = cs35l41->regmap; + + dev_dbg(dev, "Play (Complete)\n"); + + cs35l41_global_enable(dev, reg, cs35l41->hw_cfg.bst_type, 1, NULL, + cs35l41->firmware_running); +} + +static void cs35l41_hda_pause_start(struct device *dev) +{ + struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); + struct regmap *reg = cs35l41->regmap; + + dev_dbg(dev, "Pause (Start)\n"); + + regmap_multi_reg_write(reg, cs35l41_hda_mute, ARRAY_SIZE(cs35l41_hda_mute)); + cs35l41_global_enable(dev, reg, cs35l41->hw_cfg.bst_type, 0, NULL, + cs35l41->firmware_running); +} + +static void cs35l41_hda_pause_done(struct device *dev) +{ + struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); + struct regmap *reg = cs35l41->regmap; + + dev_dbg(dev, "Pause (Complete)\n"); + + regmap_update_bits(reg, CS35L41_PWR_CTRL2, CS35L41_AMP_EN_MASK, 0 << CS35L41_AMP_EN_SHIFT); + if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST) + regmap_write(reg, CS35L41_GPIO1_CTRL1, 0x00000001); + if (cs35l41->firmware_running) { + cs35l41_set_cspl_mbox_cmd(dev, reg, CSPL_MBOX_CMD_PAUSE); + regmap_update_bits(reg, CS35L41_PWR_CTRL2, + CS35L41_VMON_EN_MASK | CS35L41_IMON_EN_MASK, + 0 << CS35L41_VMON_EN_SHIFT | 0 << CS35L41_IMON_EN_SHIFT); + } + cs35l41_irq_release(cs35l41); + cs35l41->playback_started = false; +} + +static void cs35l41_hda_playback_hook(struct device *dev, int action) +{ + struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
switch (action) { case HDA_GEN_PCM_ACT_OPEN: pm_runtime_get_sync(dev); mutex_lock(&cs35l41->fw_mutex); - cs35l41->playback_started = true; - if (cs35l41->firmware_running) { - regmap_multi_reg_write(reg, cs35l41_hda_config_dsp, - ARRAY_SIZE(cs35l41_hda_config_dsp)); - regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2, - CS35L41_VMON_EN_MASK | CS35L41_IMON_EN_MASK, - 1 << CS35L41_VMON_EN_SHIFT | 1 << CS35L41_IMON_EN_SHIFT); - cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap, - CSPL_MBOX_CMD_RESUME); - } else { - regmap_multi_reg_write(reg, cs35l41_hda_config, - ARRAY_SIZE(cs35l41_hda_config)); - } - ret = regmap_update_bits(reg, CS35L41_PWR_CTRL2, - CS35L41_AMP_EN_MASK, 1 << CS35L41_AMP_EN_SHIFT); - if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST) - regmap_write(reg, CS35L41_GPIO1_CTRL1, 0x00008001); + cs35l41_hda_play_start(dev); mutex_unlock(&cs35l41->fw_mutex); break; case HDA_GEN_PCM_ACT_PREPARE: mutex_lock(&cs35l41->fw_mutex); - ret = cs35l41_global_enable(dev, reg, cs35l41->hw_cfg.bst_type, 1, NULL, - cs35l41->firmware_running); + cs35l41_hda_play_done(dev); mutex_unlock(&cs35l41->fw_mutex); break; case HDA_GEN_PCM_ACT_CLEANUP: mutex_lock(&cs35l41->fw_mutex); - regmap_multi_reg_write(reg, cs35l41_hda_mute, ARRAY_SIZE(cs35l41_hda_mute)); - ret = cs35l41_global_enable(dev, reg, cs35l41->hw_cfg.bst_type, 0, NULL, - cs35l41->firmware_running); + cs35l41_hda_pause_start(dev); mutex_unlock(&cs35l41->fw_mutex); break; case HDA_GEN_PCM_ACT_CLOSE: mutex_lock(&cs35l41->fw_mutex); - ret = regmap_update_bits(reg, CS35L41_PWR_CTRL2, - CS35L41_AMP_EN_MASK, 0 << CS35L41_AMP_EN_SHIFT); - if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST) - regmap_write(reg, CS35L41_GPIO1_CTRL1, 0x00000001); - if (cs35l41->firmware_running) { - cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap, - CSPL_MBOX_CMD_PAUSE); - regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2, - CS35L41_VMON_EN_MASK | CS35L41_IMON_EN_MASK, - 0 << CS35L41_VMON_EN_SHIFT | 0 << CS35L41_IMON_EN_SHIFT); - } - cs35l41_irq_release(cs35l41); - cs35l41->playback_started = false; + cs35l41_hda_pause_done(dev); mutex_unlock(&cs35l41->fw_mutex);
pm_runtime_mark_last_busy(dev); @@ -549,9 +589,6 @@ static void cs35l41_hda_playback_hook(struct device *dev, int action) dev_warn(cs35l41->dev, "Playback action not supported: %d\n", action); break; } - - if (ret) - dev_err(cs35l41->dev, "Regmap access fail: %d\n", ret); }
static int cs35l41_hda_channel_map(struct device *dev, unsigned int tx_num, unsigned int *tx_slot, @@ -703,18 +740,8 @@ static int cs35l41_runtime_suspend(struct device *dev) mutex_lock(&cs35l41->fw_mutex);
if (cs35l41->playback_started) { - regmap_multi_reg_write(cs35l41->regmap, cs35l41_hda_mute, - ARRAY_SIZE(cs35l41_hda_mute)); - cs35l41_global_enable(cs35l41->dev, cs35l41->regmap, cs35l41->hw_cfg.bst_type, 0, - NULL, cs35l41->firmware_running); - regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2, - CS35L41_AMP_EN_MASK, 0 << CS35L41_AMP_EN_SHIFT); - if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST) - regmap_write(cs35l41->regmap, CS35L41_GPIO1_CTRL1, 0x00000001); - regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2, - CS35L41_VMON_EN_MASK | CS35L41_IMON_EN_MASK, - 0 << CS35L41_VMON_EN_SHIFT | 0 << CS35L41_IMON_EN_SHIFT); - cs35l41->playback_started = false; + cs35l41_hda_pause_start(dev); + cs35l41_hda_pause_done(dev); }
if (cs35l41->firmware_running) {