#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/slab.h>
+#include <sound/hdaudio.h>
#include <sound/hdaudio_ext.h>
#include "avs.h"
#include "cldma.h"
#define AVS_ROM_STS_MASK 0xFF
#define AVS_ROM_INIT_DONE 0x1
#define SKL_ROM_BASEFW_ENTERED 0xF
+#define APL_ROM_FW_ENTERED 0x5
#define AVS_ROM_INIT_POLLING_US 5
#define SKL_ROM_INIT_TIMEOUT_US 1000000
+#define APL_ROM_INIT_TIMEOUT_US 300000
+#define APL_ROM_INIT_RETRIES 3
#define AVS_FW_INIT_POLLING_US 500
#define AVS_FW_INIT_TIMEOUT_US 3000000
return 0;
}
+static int
+avs_hda_init_rom(struct avs_dev *adev, unsigned int dma_id, bool purge)
+{
+ const struct avs_spec *const spec = adev->spec;
+ unsigned int corex_mask, reg;
+ int ret;
+
+ corex_mask = spec->core_init_mask & ~AVS_MAIN_CORE_MASK;
+
+ ret = avs_dsp_op(adev, power, spec->core_init_mask, true);
+ if (ret < 0)
+ goto err;
+
+ ret = avs_dsp_op(adev, reset, AVS_MAIN_CORE_MASK, false);
+ if (ret < 0)
+ goto err;
+
+ reinit_completion(&adev->fw_ready);
+ avs_dsp_op(adev, int_control, true);
+
+ /* set boot config */
+ ret = avs_ipc_set_boot_config(adev, dma_id, purge);
+ if (ret) {
+ ret = AVS_IPC_RET(ret);
+ goto err;
+ }
+
+ /* await ROM init */
+ ret = snd_hdac_adsp_readq_poll(adev, spec->rom_status, reg,
+ (reg & 0xF) == AVS_ROM_INIT_DONE ||
+ (reg & 0xF) == APL_ROM_FW_ENTERED,
+ AVS_ROM_INIT_POLLING_US, APL_ROM_INIT_TIMEOUT_US);
+ if (ret < 0) {
+ dev_err(adev->dev, "rom init timeout: %d\n", ret);
+ goto err;
+ }
+
+ /* power down non-main cores */
+ if (corex_mask) {
+ ret = avs_dsp_op(adev, power, corex_mask, false);
+ if (ret < 0)
+ goto err;
+ }
+
+ return 0;
+
+err:
+ avs_dsp_core_disable(adev, spec->core_init_mask);
+ return ret;
+}
+
+static int avs_imr_load_basefw(struct avs_dev *adev)
+{
+ int ret;
+
+ /* DMA id ignored when flashing from IMR as no transfer occurs. */
+ ret = avs_hda_init_rom(adev, 0, false);
+ if (ret < 0) {
+ dev_err(adev->dev, "rom init failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = wait_for_completion_timeout(&adev->fw_ready,
+ msecs_to_jiffies(AVS_FW_INIT_TIMEOUT_MS));
+ if (!ret) {
+ dev_err(adev->dev, "firmware ready timeout\n");
+ avs_dsp_core_disable(adev, AVS_MAIN_CORE_MASK);
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+int avs_hda_load_basefw(struct avs_dev *adev, struct firmware *fw)
+{
+ struct snd_pcm_substream substream;
+ struct snd_dma_buffer dmab;
+ struct hdac_ext_stream *estream;
+ struct hdac_stream *hstream;
+ struct hdac_bus *bus = &adev->base.core;
+ unsigned int sdfmt, reg;
+ int ret, i;
+
+ /* configure hda dma */
+ memset(&substream, 0, sizeof(substream));
+ substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
+ estream = snd_hdac_ext_stream_assign(bus, &substream,
+ HDAC_EXT_STREAM_TYPE_HOST);
+ if (!estream)
+ return -ENODEV;
+ hstream = hdac_stream(estream);
+
+ /* code loading performed with default format */
+ sdfmt = snd_hdac_calc_stream_format(48000, 1, SNDRV_PCM_FORMAT_S32_LE, 32, 0);
+ ret = snd_hdac_dsp_prepare(hstream, sdfmt, fw->size, &dmab);
+ if (ret < 0)
+ goto release_stream;
+
+ /* enable SPIB for hda stream */
+ snd_hdac_ext_stream_spbcap_enable(bus, true, hstream->index);
+ ret = snd_hdac_ext_stream_set_spib(bus, estream, fw->size);
+ if (ret)
+ goto cleanup_resources;
+
+ memcpy(dmab.area, fw->data, fw->size);
+
+ for (i = 0; i < APL_ROM_INIT_RETRIES; i++) {
+ unsigned int dma_id = hstream->stream_tag - 1;
+
+ ret = avs_hda_init_rom(adev, dma_id, true);
+ if (!ret)
+ break;
+ dev_info(adev->dev, "#%d rom init fail: %d\n", i + 1, ret);
+ }
+ if (ret < 0)
+ goto cleanup_resources;
+
+ /* transfer firmware */
+ snd_hdac_dsp_trigger(hstream, true);
+ ret = snd_hdac_adsp_readl_poll(adev, AVS_FW_REG_STATUS(adev), reg,
+ (reg & AVS_ROM_STS_MASK) == APL_ROM_FW_ENTERED,
+ AVS_FW_INIT_POLLING_US, AVS_FW_INIT_TIMEOUT_US);
+ snd_hdac_dsp_trigger(hstream, false);
+ if (ret < 0) {
+ dev_err(adev->dev, "transfer fw failed: %d\n", ret);
+ avs_dsp_core_disable(adev, AVS_MAIN_CORE_MASK);
+ }
+
+cleanup_resources:
+ /* disable SPIB for hda stream */
+ snd_hdac_ext_stream_spbcap_enable(bus, false, hstream->index);
+ snd_hdac_ext_stream_set_spib(bus, estream, 0);
+
+ snd_hdac_dsp_cleanup(hstream, &dmab);
+release_stream:
+ snd_hdac_ext_stream_release(estream, HDAC_EXT_STREAM_TYPE_HOST);
+
+ return ret;
+}
+
+int avs_hda_load_library(struct avs_dev *adev, struct firmware *lib, u32 id)
+{
+ struct snd_pcm_substream substream;
+ struct snd_dma_buffer dmab;
+ struct hdac_ext_stream *estream;
+ struct hdac_stream *stream;
+ struct hdac_bus *bus = &adev->base.core;
+ unsigned int sdfmt;
+ int ret;
+
+ /* configure hda dma */
+ memset(&substream, 0, sizeof(substream));
+ substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
+ estream = snd_hdac_ext_stream_assign(bus, &substream,
+ HDAC_EXT_STREAM_TYPE_HOST);
+ if (!estream)
+ return -ENODEV;
+ stream = hdac_stream(estream);
+
+ /* code loading performed with default format */
+ sdfmt = snd_hdac_calc_stream_format(48000, 1, SNDRV_PCM_FORMAT_S32_LE, 32, 0);
+ ret = snd_hdac_dsp_prepare(stream, sdfmt, lib->size, &dmab);
+ if (ret < 0)
+ goto release_stream;
+
+ /* enable SPIB for hda stream */
+ snd_hdac_ext_stream_spbcap_enable(bus, true, stream->index);
+ snd_hdac_ext_stream_set_spib(bus, estream, lib->size);
+
+ memcpy(dmab.area, lib->data, lib->size);
+
+ /* transfer firmware */
+ snd_hdac_dsp_trigger(stream, true);
+ ret = avs_ipc_load_library(adev, stream->stream_tag - 1, id);
+ snd_hdac_dsp_trigger(stream, false);
+ if (ret) {
+ dev_err(adev->dev, "transfer lib %d failed: %d\n", id, ret);
+ ret = AVS_IPC_RET(ret);
+ }
+
+ /* disable SPIB for hda stream */
+ snd_hdac_ext_stream_spbcap_enable(bus, false, stream->index);
+ snd_hdac_ext_stream_set_spib(bus, estream, 0);
+
+ snd_hdac_dsp_cleanup(stream, &dmab);
+release_stream:
+ snd_hdac_ext_stream_release(estream, HDAC_EXT_STREAM_TYPE_HOST);
+
+ return ret;
+}
+
+int avs_hda_transfer_modules(struct avs_dev *adev, bool load,
+ struct avs_module_entry *mods, u32 num_mods)
+{
+ /*
+ * All platforms without CLDMA are equipped with IMR,
+ * and thus the module transferring is offloaded to DSP.
+ */
+ return 0;
+}
+
static int avs_dsp_load_basefw(struct avs_dev *adev)
{
const struct avs_fw_version *min_req;
{
int ret, i;
+ /* Forgo full boot if flash from IMR succeeds. */
+ if (!purge && avs_platattr_test(adev, IMR)) {
+ ret = avs_imr_load_basefw(adev);
+ if (!ret)
+ return 0;
+
+ dev_dbg(adev->dev, "firmware flash from imr failed: %d\n", ret);
+ }
+
/* Full boot, clear cached data except for basefw (slot 0). */
for (i = 1; i < adev->fw_cfg.max_libs_count; i++)
memset(adev->lib_names[i], 0, AVS_LIB_NAME_SIZE);
projects / kernel.git / commitdiff