This is preparation for moving the generic DSP support out of ASoC. This change separates the generic handling of power and state transitions from the DAPM API wrapper.
Signed-off-by: Simon Trimmer simont@opensource.cirrus.com Signed-off-by: Charles Keepax ckeepax@opensource.cirrus.com --- sound/soc/codecs/wm_adsp.c | 545 ++++++++++++++++++++----------------- 1 file changed, 298 insertions(+), 247 deletions(-)
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index c0ca46e04418..1bca3922a6b8 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -2808,6 +2808,108 @@ int wm_adsp1_init(struct wm_adsp *dsp) } EXPORT_SYMBOL_GPL(wm_adsp1_init);
+static int cs_dsp_adsp1_power_up(struct wm_adsp *dsp) +{ + unsigned int val; + int ret; + + mutex_lock(&dsp->pwr_lock); + + regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, + ADSP1_SYS_ENA, ADSP1_SYS_ENA); + + /* + * For simplicity set the DSP clock rate to be the + * SYSCLK rate rather than making it configurable. + */ + if (dsp->sysclk_reg) { + ret = regmap_read(dsp->regmap, dsp->sysclk_reg, &val); + if (ret != 0) { + cs_dsp_err(dsp, "Failed to read SYSCLK state: %d\n", ret); + goto err_mutex; + } + + val = (val & dsp->sysclk_mask) >> dsp->sysclk_shift; + + ret = regmap_update_bits(dsp->regmap, + dsp->base + ADSP1_CONTROL_31, + ADSP1_CLK_SEL_MASK, val); + if (ret != 0) { + cs_dsp_err(dsp, "Failed to set clock rate: %d\n", ret); + goto err_mutex; + } + } + + ret = cs_dsp_load(dsp); + if (ret != 0) + goto err_ena; + + ret = cs_dsp_adsp1_setup_algs(dsp); + if (ret != 0) + goto err_ena; + + ret = cs_dsp_load_coeff(dsp); + if (ret != 0) + goto err_ena; + + /* Initialize caches for enabled and unset controls */ + ret = cs_dsp_coeff_init_control_caches(dsp); + if (ret != 0) + goto err_ena; + + /* Sync set controls */ + ret = cs_dsp_coeff_sync_controls(dsp); + if (ret != 0) + goto err_ena; + + dsp->booted = true; + + /* Start the core running */ + regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, + ADSP1_CORE_ENA | ADSP1_START, + ADSP1_CORE_ENA | ADSP1_START); + + dsp->running = true; + + mutex_unlock(&dsp->pwr_lock); + + return 0; + +err_ena: + regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, + ADSP1_SYS_ENA, 0); +err_mutex: + mutex_unlock(&dsp->pwr_lock); + return ret; +} + +static void cs_dsp_adsp1_power_down(struct wm_adsp *dsp) +{ + struct wm_coeff_ctl *ctl; + + mutex_lock(&dsp->pwr_lock); + + dsp->running = false; + dsp->booted = false; + + /* Halt the core */ + regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, + ADSP1_CORE_ENA | ADSP1_START, 0); + + regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_19, + ADSP1_WDMA_BUFFER_LENGTH_MASK, 0); + + regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, + ADSP1_SYS_ENA, 0); + + list_for_each_entry(ctl, &dsp->ctl_list, list) + ctl->enabled = 0; + + cs_dsp_free_alg_regions(dsp); + + mutex_unlock(&dsp->pwr_lock); +} + int wm_adsp1_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) @@ -2815,108 +2917,21 @@ int wm_adsp1_event(struct snd_soc_dapm_widget *w, struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); struct wm_adsp *dsp = &dsps[w->shift]; - struct wm_coeff_ctl *ctl; - int ret; - unsigned int val; + int ret = 0;
dsp->component = component;
- mutex_lock(&dsp->pwr_lock); - switch (event) { case SND_SOC_DAPM_POST_PMU: - regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, - ADSP1_SYS_ENA, ADSP1_SYS_ENA); - - /* - * For simplicity set the DSP clock rate to be the - * SYSCLK rate rather than making it configurable. - */ - if (dsp->sysclk_reg) { - ret = regmap_read(dsp->regmap, dsp->sysclk_reg, &val); - if (ret != 0) { - cs_dsp_err(dsp, "Failed to read SYSCLK state: %d\n", ret); - goto err_mutex; - } - - val = (val & dsp->sysclk_mask) >> dsp->sysclk_shift; - - ret = regmap_update_bits(dsp->regmap, - dsp->base + ADSP1_CONTROL_31, - ADSP1_CLK_SEL_MASK, val); - if (ret != 0) { - cs_dsp_err(dsp, "Failed to set clock rate: %d\n", ret); - goto err_mutex; - } - } - - ret = cs_dsp_load(dsp); - if (ret != 0) - goto err_ena; - - ret = cs_dsp_adsp1_setup_algs(dsp); - if (ret != 0) - goto err_ena; - - ret = cs_dsp_load_coeff(dsp); - if (ret != 0) - goto err_ena; - - /* Initialize caches for enabled and unset controls */ - ret = cs_dsp_coeff_init_control_caches(dsp); - if (ret != 0) - goto err_ena; - - /* Sync set controls */ - ret = cs_dsp_coeff_sync_controls(dsp); - if (ret != 0) - goto err_ena; - - dsp->booted = true; - - /* Start the core running */ - regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, - ADSP1_CORE_ENA | ADSP1_START, - ADSP1_CORE_ENA | ADSP1_START); - - dsp->running = true; + ret = cs_dsp_adsp1_power_up(dsp); break; - case SND_SOC_DAPM_PRE_PMD: - dsp->running = false; - dsp->booted = false; - - /* Halt the core */ - regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, - ADSP1_CORE_ENA | ADSP1_START, 0); - - regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_19, - ADSP1_WDMA_BUFFER_LENGTH_MASK, 0); - - regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, - ADSP1_SYS_ENA, 0); - - list_for_each_entry(ctl, &dsp->ctl_list, list) - ctl->enabled = 0; - - - cs_dsp_free_alg_regions(dsp); + cs_dsp_adsp1_power_down(dsp); break; - default: break; }
- mutex_unlock(&dsp->pwr_lock); - - return 0; - -err_ena: - regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, - ADSP1_SYS_ENA, 0); -err_mutex: - mutex_unlock(&dsp->pwr_lock); - return ret; } EXPORT_SYMBOL_GPL(wm_adsp1_event); @@ -3019,63 +3034,6 @@ static void cs_dsp_adsp2v2_disable_core(struct wm_adsp *dsp) regmap_write(dsp->regmap, dsp->base + ADSP2V2_WDMA_CONFIG_2, 0); }
-static void wm_adsp_boot_work(struct work_struct *work) -{ - struct wm_adsp *dsp = container_of(work, - struct wm_adsp, - boot_work); - int ret; - - mutex_lock(&dsp->pwr_lock); - - if (dsp->ops->enable_memory) { - ret = dsp->ops->enable_memory(dsp); - if (ret != 0) - goto err_mutex; - } - - if (dsp->ops->enable_core) { - ret = dsp->ops->enable_core(dsp); - if (ret != 0) - goto err_mem; - } - - ret = cs_dsp_load(dsp); - if (ret != 0) - goto err_ena; - - ret = dsp->ops->setup_algs(dsp); - if (ret != 0) - goto err_ena; - - ret = cs_dsp_load_coeff(dsp); - if (ret != 0) - goto err_ena; - - /* Initialize caches for enabled and unset controls */ - ret = cs_dsp_coeff_init_control_caches(dsp); - if (ret != 0) - goto err_ena; - - if (dsp->ops->disable_core) - dsp->ops->disable_core(dsp); - - dsp->booted = true; - - mutex_unlock(&dsp->pwr_lock); - - return; - -err_ena: - if (dsp->ops->disable_core) - dsp->ops->disable_core(dsp); -err_mem: - if (dsp->ops->disable_memory) - dsp->ops->disable_memory(dsp); -err_mutex: - mutex_unlock(&dsp->pwr_lock); -} - static int cs_dsp_halo_configure_mpu(struct wm_adsp *dsp, unsigned int lock_regions) { struct reg_sequence config[] = { @@ -3185,39 +3143,108 @@ static void cs_dsp_halo_stop_watchdog(struct wm_adsp *dsp) HALO_WDT_EN_MASK, 0); }
+static void cs_dsp_power_up(struct wm_adsp *dsp) +{ + int ret; + + mutex_lock(&dsp->pwr_lock); + + if (dsp->ops->enable_memory) { + ret = dsp->ops->enable_memory(dsp); + if (ret != 0) + goto err_mutex; + } + + if (dsp->ops->enable_core) { + ret = dsp->ops->enable_core(dsp); + if (ret != 0) + goto err_mem; + } + + ret = cs_dsp_load(dsp); + if (ret != 0) + goto err_ena; + + ret = dsp->ops->setup_algs(dsp); + if (ret != 0) + goto err_ena; + + ret = cs_dsp_load_coeff(dsp); + if (ret != 0) + goto err_ena; + + /* Initialize caches for enabled and unset controls */ + ret = cs_dsp_coeff_init_control_caches(dsp); + if (ret != 0) + goto err_ena; + + if (dsp->ops->disable_core) + dsp->ops->disable_core(dsp); + + dsp->booted = true; + + mutex_unlock(&dsp->pwr_lock); + + return; + +err_ena: + if (dsp->ops->disable_core) + dsp->ops->disable_core(dsp); +err_mem: + if (dsp->ops->disable_memory) + dsp->ops->disable_memory(dsp); +err_mutex: + mutex_unlock(&dsp->pwr_lock); +} + +static void cs_dsp_power_down(struct wm_adsp *dsp) +{ + struct wm_coeff_ctl *ctl; + + mutex_lock(&dsp->pwr_lock); + + cs_dsp_debugfs_clear(dsp); + + dsp->fw_id = 0; + dsp->fw_id_version = 0; + + dsp->booted = false; + + if (dsp->ops->disable_memory) + dsp->ops->disable_memory(dsp); + + list_for_each_entry(ctl, &dsp->ctl_list, list) + ctl->enabled = 0; + + cs_dsp_free_alg_regions(dsp); + + mutex_unlock(&dsp->pwr_lock); + + cs_dsp_dbg(dsp, "Shutdown complete\n"); +} + +static void wm_adsp_boot_work(struct work_struct *work) +{ + struct wm_adsp *dsp = container_of(work, + struct wm_adsp, + boot_work); + + cs_dsp_power_up(dsp); +} + int wm_adsp_early_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); struct wm_adsp *dsp = &dsps[w->shift]; - struct wm_coeff_ctl *ctl;
switch (event) { case SND_SOC_DAPM_PRE_PMU: queue_work(system_unbound_wq, &dsp->boot_work); break; case SND_SOC_DAPM_PRE_PMD: - mutex_lock(&dsp->pwr_lock); - - cs_dsp_debugfs_clear(dsp); - - dsp->fw_id = 0; - dsp->fw_id_version = 0; - - dsp->booted = false; - - if (dsp->ops->disable_memory) - dsp->ops->disable_memory(dsp); - - list_for_each_entry(ctl, &dsp->ctl_list, list) - ctl->enabled = 0; - - cs_dsp_free_alg_regions(dsp); - - mutex_unlock(&dsp->pwr_lock); - - cs_dsp_dbg(dsp, "Shutdown complete\n"); + cs_dsp_power_down(dsp); break; default: break; @@ -3240,102 +3267,126 @@ static void cs_dsp_adsp2_stop_core(struct wm_adsp *dsp) ADSP2_CORE_ENA | ADSP2_START, 0); }
+static int wm_adsp_event_post_run(struct wm_adsp *dsp) +{ + if (wm_adsp_fw[dsp->fw].num_caps != 0) + return wm_adsp_buffer_init(dsp); + + return 0; +} + +static void wm_adsp_event_post_stop(struct wm_adsp *dsp) +{ + if (wm_adsp_fw[dsp->fw].num_caps != 0) + wm_adsp_buffer_free(dsp); + + dsp->fatal_error = false; +} + +static int cs_dsp_run(struct wm_adsp *dsp) +{ + int ret; + + mutex_lock(&dsp->pwr_lock); + + if (!dsp->booted) { + ret = -EIO; + goto err; + } + + if (dsp->ops->enable_core) { + ret = dsp->ops->enable_core(dsp); + if (ret != 0) + goto err; + } + + /* Sync set controls */ + ret = cs_dsp_coeff_sync_controls(dsp); + if (ret != 0) + goto err; + + if (dsp->ops->lock_memory) { + ret = dsp->ops->lock_memory(dsp, dsp->lock_regions); + if (ret != 0) { + cs_dsp_err(dsp, "Error configuring MPU: %d\n", ret); + goto err; + } + } + + if (dsp->ops->start_core) { + ret = dsp->ops->start_core(dsp); + if (ret != 0) + goto err; + } + + dsp->running = true; + + ret = wm_adsp_event_post_run(dsp); + if (ret < 0) + goto err; + + mutex_unlock(&dsp->pwr_lock); + + return 0; + +err: + if (dsp->ops->stop_core) + dsp->ops->stop_core(dsp); + if (dsp->ops->disable_core) + dsp->ops->disable_core(dsp); + mutex_unlock(&dsp->pwr_lock); + + return ret; +} + +static void cs_dsp_stop(struct wm_adsp *dsp) +{ + /* Tell the firmware to cleanup */ + cs_dsp_signal_event_controls(dsp, CS_DSP_FW_EVENT_SHUTDOWN); + + if (dsp->ops->stop_watchdog) + dsp->ops->stop_watchdog(dsp); + + /* Log firmware state, it can be useful for analysis */ + if (dsp->ops->show_fw_status) + dsp->ops->show_fw_status(dsp); + + mutex_lock(&dsp->pwr_lock); + + dsp->running = false; + + if (dsp->ops->stop_core) + dsp->ops->stop_core(dsp); + if (dsp->ops->disable_core) + dsp->ops->disable_core(dsp); + + wm_adsp_event_post_stop(dsp); + + mutex_unlock(&dsp->pwr_lock); + + cs_dsp_dbg(dsp, "Execution stopped\n"); +} + int wm_adsp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); struct wm_adsp *dsp = &dsps[w->shift]; - int ret; + int ret = 0;
switch (event) { case SND_SOC_DAPM_POST_PMU: flush_work(&dsp->boot_work); - - mutex_lock(&dsp->pwr_lock); - - if (!dsp->booted) { - ret = -EIO; - goto err; - } - - if (dsp->ops->enable_core) { - ret = dsp->ops->enable_core(dsp); - if (ret != 0) - goto err; - } - - /* Sync set controls */ - ret = cs_dsp_coeff_sync_controls(dsp); - if (ret != 0) - goto err; - - if (dsp->ops->lock_memory) { - ret = dsp->ops->lock_memory(dsp, dsp->lock_regions); - if (ret != 0) { - cs_dsp_err(dsp, "Error configuring MPU: %d\n", ret); - goto err; - } - } - - if (dsp->ops->start_core) { - ret = dsp->ops->start_core(dsp); - if (ret != 0) - goto err; - } - - dsp->running = true; - - if (wm_adsp_fw[dsp->fw].num_caps != 0) { - ret = wm_adsp_buffer_init(dsp); - if (ret < 0) - goto err; - } - - mutex_unlock(&dsp->pwr_lock); + ret = cs_dsp_run(dsp); break; - case SND_SOC_DAPM_PRE_PMD: - /* Tell the firmware to cleanup */ - cs_dsp_signal_event_controls(dsp, CS_DSP_FW_EVENT_SHUTDOWN); - - if (dsp->ops->stop_watchdog) - dsp->ops->stop_watchdog(dsp); - - /* Log firmware state, it can be useful for analysis */ - if (dsp->ops->show_fw_status) - dsp->ops->show_fw_status(dsp); - - mutex_lock(&dsp->pwr_lock); - - dsp->running = false; - - if (dsp->ops->stop_core) - dsp->ops->stop_core(dsp); - if (dsp->ops->disable_core) - dsp->ops->disable_core(dsp); - - if (wm_adsp_fw[dsp->fw].num_caps != 0) - wm_adsp_buffer_free(dsp); - - dsp->fatal_error = false; - - mutex_unlock(&dsp->pwr_lock); - - cs_dsp_dbg(dsp, "Execution stopped\n"); + cs_dsp_stop(dsp); break; - default: break; }
- return 0; -err: - if (dsp->ops->stop_core) - dsp->ops->stop_core(dsp); - if (dsp->ops->disable_core) - dsp->ops->disable_core(dsp); - mutex_unlock(&dsp->pwr_lock); return ret; } EXPORT_SYMBOL_GPL(wm_adsp_event);