Merge tag 'asoc-v6.10' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie...
[sfrench/cifs-2.6.git] / sound / soc / sof / intel / hda-loader.c
index b81f231abee3efa497f8bf1aec46c955f3c3b706..b8b914eaf7e0555fdefefb8eeeb7bd2878395659 100644 (file)
@@ -3,7 +3,7 @@
 // This file is provided under a dual BSD/GPLv2 license.  When using or
 // redistributing this file, you may do so under either license.
 //
-// Copyright(c) 2018 Intel Corporation. All rights reserved.
+// Copyright(c) 2018 Intel Corporation
 //
 // Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
 //         Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
@@ -43,13 +43,13 @@ static void hda_ssp_set_cbp_cfp(struct snd_sof_dev *sdev)
        }
 }
 
-struct hdac_ext_stream *hda_cl_stream_prepare(struct snd_sof_dev *sdev, unsigned int format,
-                                             unsigned int size, struct snd_dma_buffer *dmab,
-                                             int direction)
+struct hdac_ext_stream *hda_cl_prepare(struct device *dev, unsigned int format,
+                                      unsigned int size, struct snd_dma_buffer *dmab,
+                                      int direction, bool is_iccmax)
 {
+       struct snd_sof_dev *sdev = dev_get_drvdata(dev);
        struct hdac_ext_stream *hext_stream;
        struct hdac_stream *hstream;
-       struct pci_dev *pci = to_pci_dev(sdev->dev);
        int ret;
 
        hext_stream = hda_dsp_stream_get(sdev, direction, 0);
@@ -62,7 +62,7 @@ struct hdac_ext_stream *hda_cl_stream_prepare(struct snd_sof_dev *sdev, unsigned
        hstream->substream = NULL;
 
        /* allocate DMA buffer */
-       ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV_SG, &pci->dev, size, dmab);
+       ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV_SG, dev, size, dmab);
        if (ret < 0) {
                dev_err(sdev->dev, "error: memory alloc failed: %d\n", ret);
                goto out_put;
@@ -72,7 +72,7 @@ struct hdac_ext_stream *hda_cl_stream_prepare(struct snd_sof_dev *sdev, unsigned
        hstream->format_val = format;
        hstream->bufsize = size;
 
-       if (direction == SNDRV_PCM_STREAM_CAPTURE) {
+       if (is_iccmax) {
                ret = hda_dsp_iccmax_stream_hw_params(sdev, hext_stream, dmab, NULL);
                if (ret < 0) {
                        dev_err(sdev->dev, "error: iccmax stream prepare failed: %d\n", ret);
@@ -95,6 +95,7 @@ out_put:
        hda_dsp_stream_put(sdev, direction, hstream->stream_tag);
        return ERR_PTR(ret);
 }
+EXPORT_SYMBOL_NS(hda_cl_prepare, SND_SOC_SOF_INTEL_HDA_COMMON);
 
 /*
  * first boot sequence has some extra steps.
@@ -218,16 +219,22 @@ err:
        kfree(dump_msg);
        return ret;
 }
+EXPORT_SYMBOL_NS(cl_dsp_init, SND_SOC_SOF_INTEL_HDA_COMMON);
 
-static int cl_trigger(struct snd_sof_dev *sdev,
-                     struct hdac_ext_stream *hext_stream, int cmd)
+int hda_cl_trigger(struct device *dev, struct hdac_ext_stream *hext_stream, int cmd)
 {
+       struct snd_sof_dev *sdev = dev_get_drvdata(dev);
        struct hdac_stream *hstream = &hext_stream->hstream;
        int sd_offset = SOF_STREAM_SD_OFFSET(hstream);
+       struct sof_intel_hda_stream *hda_stream;
 
        /* code loader is special case that reuses stream ops */
        switch (cmd) {
        case SNDRV_PCM_TRIGGER_START:
+               hda_stream = container_of(hext_stream, struct sof_intel_hda_stream,
+                                         hext_stream);
+               reinit_completion(&hda_stream->ioc);
+
                snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
                                        1 << hstream->index,
                                        1 << hstream->index);
@@ -245,10 +252,12 @@ static int cl_trigger(struct snd_sof_dev *sdev,
                return hda_dsp_stream_trigger(sdev, hext_stream, cmd);
        }
 }
+EXPORT_SYMBOL_NS(hda_cl_trigger, SND_SOC_SOF_INTEL_HDA_COMMON);
 
-int hda_cl_cleanup(struct snd_sof_dev *sdev, struct snd_dma_buffer *dmab,
+int hda_cl_cleanup(struct device *dev, struct snd_dma_buffer *dmab,
                   struct hdac_ext_stream *hext_stream)
 {
+       struct snd_sof_dev *sdev =  dev_get_drvdata(dev);
        struct hdac_stream *hstream = &hext_stream->hstream;
        int sd_offset = SOF_STREAM_SD_OFFSET(hstream);
        int ret = 0;
@@ -277,20 +286,40 @@ int hda_cl_cleanup(struct snd_sof_dev *sdev, struct snd_dma_buffer *dmab,
 
        return ret;
 }
+EXPORT_SYMBOL_NS(hda_cl_cleanup, SND_SOC_SOF_INTEL_HDA_COMMON);
+
+#define HDA_CL_DMA_IOC_TIMEOUT_MS 500
 
 int hda_cl_copy_fw(struct snd_sof_dev *sdev, struct hdac_ext_stream *hext_stream)
 {
        struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
        const struct sof_intel_dsp_desc *chip = hda->desc;
+       struct sof_intel_hda_stream *hda_stream;
+       unsigned long time_left;
        unsigned int reg;
        int ret, status;
 
-       ret = cl_trigger(sdev, hext_stream, SNDRV_PCM_TRIGGER_START);
+       hda_stream = container_of(hext_stream, struct sof_intel_hda_stream,
+                                 hext_stream);
+
+       dev_dbg(sdev->dev, "Code loader DMA starting\n");
+
+       ret = hda_cl_trigger(sdev->dev, hext_stream, SNDRV_PCM_TRIGGER_START);
        if (ret < 0) {
                dev_err(sdev->dev, "error: DMA trigger start failed\n");
                return ret;
        }
 
+       /* Wait for completion of transfer */
+       time_left = wait_for_completion_timeout(&hda_stream->ioc,
+                                               msecs_to_jiffies(HDA_CL_DMA_IOC_TIMEOUT_MS));
+
+       if (!time_left) {
+               dev_err(sdev->dev, "Code loader DMA did not complete\n");
+               return -ETIMEDOUT;
+       }
+       dev_dbg(sdev->dev, "Code loader DMA done, waiting for FW_ENTERED status\n");
+
        status = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR,
                                        chip->rom_status_reg, reg,
                                        (FSR_TO_STATE_CODE(reg) == FSR_STATE_FW_ENTERED),
@@ -306,13 +335,17 @@ int hda_cl_copy_fw(struct snd_sof_dev *sdev, struct hdac_ext_stream *hext_stream
                dev_err(sdev->dev,
                        "%s: timeout with rom_status_reg (%#x) read\n",
                        __func__, chip->rom_status_reg);
+       } else {
+               dev_dbg(sdev->dev, "Code loader FW_ENTERED status\n");
        }
 
-       ret = cl_trigger(sdev, hext_stream, SNDRV_PCM_TRIGGER_STOP);
+       ret = hda_cl_trigger(sdev->dev, hext_stream, SNDRV_PCM_TRIGGER_STOP);
        if (ret < 0) {
                dev_err(sdev->dev, "error: DMA trigger stop failed\n");
                if (!status)
                        status = ret;
+       } else {
+               dev_dbg(sdev->dev, "Code loader DMA stopped\n");
        }
 
        return status;
@@ -333,8 +366,8 @@ int hda_dsp_cl_boot_firmware_iccmax(struct snd_sof_dev *sdev)
         * Prepare capture stream for ICCMAX. We do not need to store
         * the data, so use a buffer of PAGE_SIZE for receiving.
         */
-       iccmax_stream = hda_cl_stream_prepare(sdev, HDA_CL_STREAM_FORMAT, PAGE_SIZE,
-                                             &dmab_bdl, SNDRV_PCM_STREAM_CAPTURE);
+       iccmax_stream = hda_cl_prepare(sdev->dev, HDA_CL_STREAM_FORMAT, PAGE_SIZE,
+                                      &dmab_bdl, SNDRV_PCM_STREAM_CAPTURE, true);
        if (IS_ERR(iccmax_stream)) {
                dev_err(sdev->dev, "error: dma prepare for ICCMAX stream failed\n");
                return PTR_ERR(iccmax_stream);
@@ -346,7 +379,7 @@ int hda_dsp_cl_boot_firmware_iccmax(struct snd_sof_dev *sdev)
         * Perform iccmax stream cleanup. This should be done even if firmware loading fails.
         * If the cleanup also fails, we return the initial error
         */
-       ret1 = hda_cl_cleanup(sdev, &dmab_bdl, iccmax_stream);
+       ret1 = hda_cl_cleanup(sdev->dev, &dmab_bdl, iccmax_stream);
        if (ret1 < 0) {
                dev_err(sdev->dev, "error: ICCMAX stream cleanup failed\n");
 
@@ -361,6 +394,7 @@ int hda_dsp_cl_boot_firmware_iccmax(struct snd_sof_dev *sdev)
 
        return ret;
 }
+EXPORT_SYMBOL_NS(hda_dsp_cl_boot_firmware_iccmax, SND_SOC_SOF_INTEL_CNL);
 
 static int hda_dsp_boot_imr(struct snd_sof_dev *sdev)
 {
@@ -418,9 +452,9 @@ int hda_dsp_cl_boot_firmware(struct snd_sof_dev *sdev)
        init_waitqueue_head(&sdev->boot_wait);
 
        /* prepare DMA for code loader stream */
-       hext_stream = hda_cl_stream_prepare(sdev, HDA_CL_STREAM_FORMAT,
-                                           stripped_firmware.size,
-                                           &dmab, SNDRV_PCM_STREAM_PLAYBACK);
+       hext_stream = hda_cl_prepare(sdev->dev, HDA_CL_STREAM_FORMAT,
+                                    stripped_firmware.size,
+                                    &dmab, SNDRV_PCM_STREAM_PLAYBACK, false);
        if (IS_ERR(hext_stream)) {
                dev_err(sdev->dev, "error: dma prepare for fw loading failed\n");
                return PTR_ERR(hext_stream);
@@ -493,7 +527,7 @@ cleanup:
         * This should be done even if firmware loading fails.
         * If the cleanup also fails, we return the initial error
         */
-       ret1 = hda_cl_cleanup(sdev, &dmab, hext_stream);
+       ret1 = hda_cl_cleanup(sdev->dev, &dmab, hext_stream);
        if (ret1 < 0) {
                dev_err(sdev->dev, "error: Code loader DSP cleanup failed\n");
 
@@ -514,6 +548,7 @@ cleanup:
 
        return ret;
 }
+EXPORT_SYMBOL_NS(hda_dsp_cl_boot_firmware, SND_SOC_SOF_INTEL_HDA_COMMON);
 
 int hda_dsp_ipc4_load_library(struct snd_sof_dev *sdev,
                              struct sof_ipc4_fw_library *fw_lib, bool reload)
@@ -535,9 +570,9 @@ int hda_dsp_ipc4_load_library(struct snd_sof_dev *sdev,
        stripped_firmware.size = fw_lib->sof_fw.fw->size - fw_lib->sof_fw.payload_offset;
 
        /* prepare DMA for code loader stream */
-       hext_stream = hda_cl_stream_prepare(sdev, HDA_CL_STREAM_FORMAT,
-                                           stripped_firmware.size,
-                                           &dmab, SNDRV_PCM_STREAM_PLAYBACK);
+       hext_stream = hda_cl_prepare(sdev->dev, HDA_CL_STREAM_FORMAT,
+                                    stripped_firmware.size,
+                                    &dmab, SNDRV_PCM_STREAM_PLAYBACK, false);
        if (IS_ERR(hext_stream)) {
                dev_err(sdev->dev, "%s: DMA prepare failed\n", __func__);
                return PTR_ERR(hext_stream);
@@ -580,7 +615,7 @@ int hda_dsp_ipc4_load_library(struct snd_sof_dev *sdev,
                goto cleanup;
        }
 
-       ret = cl_trigger(sdev, hext_stream, SNDRV_PCM_TRIGGER_START);
+       ret = hda_cl_trigger(sdev->dev, hext_stream, SNDRV_PCM_TRIGGER_START);
        if (ret < 0) {
                dev_err(sdev->dev, "%s: DMA trigger start failed\n", __func__);
                goto cleanup;
@@ -597,7 +632,7 @@ int hda_dsp_ipc4_load_library(struct snd_sof_dev *sdev,
        ret = sof_ipc_tx_message_no_reply(sdev->ipc, &msg, 0);
 
        /* Stop the DMA channel */
-       ret1 = cl_trigger(sdev, hext_stream, SNDRV_PCM_TRIGGER_STOP);
+       ret1 = hda_cl_trigger(sdev->dev, hext_stream, SNDRV_PCM_TRIGGER_STOP);
        if (ret1 < 0) {
                dev_err(sdev->dev, "%s: DMA trigger stop failed\n", __func__);
                if (!ret)
@@ -606,7 +641,7 @@ int hda_dsp_ipc4_load_library(struct snd_sof_dev *sdev,
 
 cleanup:
        /* clean up even in case of error and return the first error */
-       ret1 = hda_cl_cleanup(sdev, &dmab, hext_stream);
+       ret1 = hda_cl_cleanup(sdev->dev, &dmab, hext_stream);
        if (ret1 < 0) {
                dev_err(sdev->dev, "%s: Code loader DSP cleanup failed\n", __func__);
 
@@ -617,41 +652,7 @@ cleanup:
 
        return ret;
 }
-
-/* pre fw run operations */
-int hda_dsp_pre_fw_run(struct snd_sof_dev *sdev)
-{
-       /* disable clock gating and power gating */
-       return hda_dsp_ctrl_clock_power_gating(sdev, false);
-}
-
-/* post fw run operations */
-int hda_dsp_post_fw_run(struct snd_sof_dev *sdev)
-{
-       int ret;
-
-       if (sdev->first_boot) {
-               struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
-
-               ret = hda_sdw_startup(sdev);
-               if (ret < 0) {
-                       dev_err(sdev->dev,
-                               "error: could not startup SoundWire links\n");
-                       return ret;
-               }
-
-               /* Check if IMR boot is usable */
-               if (!sof_debug_check_flag(SOF_DBG_IGNORE_D3_PERSISTENT) &&
-                   (sdev->fw_ready.flags & SOF_IPC_INFO_D3_PERSISTENT ||
-                    sdev->pdata->ipc_type == SOF_IPC_TYPE_4))
-                       hdev->imrboot_supported = true;
-       }
-
-       hda_sdw_int_enable(sdev, true);
-
-       /* re-enable clock gating and power gating */
-       return hda_dsp_ctrl_clock_power_gating(sdev, true);
-}
+EXPORT_SYMBOL_NS(hda_dsp_ipc4_load_library, SND_SOC_SOF_INTEL_HDA_COMMON);
 
 int hda_dsp_ext_man_get_cavs_config_data(struct snd_sof_dev *sdev,
                                         const struct sof_ext_man_elem_header *hdr)
@@ -690,3 +691,4 @@ int hda_dsp_ext_man_get_cavs_config_data(struct snd_sof_dev *sdev,
 
        return 0;
 }
+EXPORT_SYMBOL_NS(hda_dsp_ext_man_get_cavs_config_data, SND_SOC_SOF_INTEL_HDA_COMMON);