Merge remote-tracking branch 'asoc/topic/wm0010' into asoc-next
This commit is contained in:
Mark Brown
commit
0b0ddfa57c
@ -31,6 +31,9 @@
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#define DEVICE_ID_WM0010 10
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/* We only support v1 of the .dfw INFO record */
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#define INFO_VERSION 1
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enum dfw_cmd {
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DFW_CMD_FUSE = 0x01,
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DFW_CMD_CODE_HDR,
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@ -46,6 +49,13 @@ struct dfw_binrec {
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uint8_t data[0];
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} __packed;
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struct dfw_inforec {
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u8 info_version;
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u8 tool_major_version;
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u8 tool_minor_version;
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u8 dsp_target;
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};
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struct dfw_pllrec {
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u8 command;
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u32 length:24;
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@ -97,7 +107,6 @@ struct wm0010_priv {
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enum wm0010_state state;
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bool boot_failed;
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int boot_done;
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bool ready;
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bool pll_running;
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int max_spi_freq;
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@ -234,7 +243,7 @@ static void wm0010_boot_xfer_complete(void *data)
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break;
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case 0x55555555:
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if (wm0010->boot_done == 0)
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if (wm0010->state < WM0010_STAGE2)
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break;
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dev_err(codec->dev,
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"%d: ROM bootloader running in stage 2\n", i);
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@ -321,7 +330,6 @@ static void wm0010_boot_xfer_complete(void *data)
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break;
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}
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wm0010->boot_done++;
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if (xfer->done)
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complete(xfer->done);
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}
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@ -334,24 +342,253 @@ static void byte_swap_64(u64 *data_in, u64 *data_out, u32 len)
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data_out[i] = cpu_to_be64(le64_to_cpu(data_in[i]));
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}
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static int wm0010_boot(struct snd_soc_codec *codec)
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static int wm0010_firmware_load(char *name, struct snd_soc_codec *codec)
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{
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struct spi_device *spi = to_spi_device(codec->dev);
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struct wm0010_priv *wm0010 = snd_soc_codec_get_drvdata(codec);
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unsigned long flags;
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struct list_head xfer_list;
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struct wm0010_boot_xfer *xfer;
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int ret;
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struct completion done;
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const struct firmware *fw;
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const struct dfw_binrec *rec;
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const struct dfw_inforec *inforec;
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u64 *img;
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u8 *out, dsp;
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u32 len, offset;
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INIT_LIST_HEAD(&xfer_list);
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ret = request_firmware(&fw, name, codec->dev);
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if (ret != 0) {
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dev_err(codec->dev, "Failed to request application: %d\n",
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ret);
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return ret;
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}
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rec = (const struct dfw_binrec *)fw->data;
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inforec = (const struct dfw_inforec *)rec->data;
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offset = 0;
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dsp = inforec->dsp_target;
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wm0010->boot_failed = false;
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BUG_ON(!list_empty(&xfer_list));
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init_completion(&done);
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/* First record should be INFO */
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if (rec->command != DFW_CMD_INFO) {
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dev_err(codec->dev, "First record not INFO\r\n");
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ret = -EINVAL;
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goto abort;
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}
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if (inforec->info_version != INFO_VERSION) {
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dev_err(codec->dev,
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"Unsupported version (%02d) of INFO record\r\n",
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inforec->info_version);
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ret = -EINVAL;
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goto abort;
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}
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dev_dbg(codec->dev, "Version v%02d INFO record found\r\n",
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inforec->info_version);
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/* Check it's a DSP file */
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if (dsp != DEVICE_ID_WM0010) {
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dev_err(codec->dev, "Not a WM0010 firmware file.\r\n");
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ret = -EINVAL;
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goto abort;
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}
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/* Skip the info record as we don't need to send it */
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offset += ((rec->length) + 8);
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rec = (void *)&rec->data[rec->length];
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while (offset < fw->size) {
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dev_dbg(codec->dev,
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"Packet: command %d, data length = 0x%x\r\n",
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rec->command, rec->length);
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len = rec->length + 8;
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out = kzalloc(len, GFP_KERNEL);
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if (!out) {
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dev_err(codec->dev,
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"Failed to allocate RX buffer\n");
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ret = -ENOMEM;
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goto abort1;
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}
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img = kzalloc(len, GFP_KERNEL);
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if (!img) {
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dev_err(codec->dev,
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"Failed to allocate image buffer\n");
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ret = -ENOMEM;
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goto abort1;
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}
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byte_swap_64((u64 *)&rec->command, img, len);
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xfer = kzalloc(sizeof(*xfer), GFP_KERNEL);
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if (!xfer) {
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dev_err(codec->dev, "Failed to allocate xfer\n");
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ret = -ENOMEM;
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goto abort1;
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}
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xfer->codec = codec;
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list_add_tail(&xfer->list, &xfer_list);
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spi_message_init(&xfer->m);
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xfer->m.complete = wm0010_boot_xfer_complete;
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xfer->m.context = xfer;
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xfer->t.tx_buf = img;
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xfer->t.rx_buf = out;
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xfer->t.len = len;
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xfer->t.bits_per_word = 8;
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if (!wm0010->pll_running) {
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xfer->t.speed_hz = wm0010->sysclk / 6;
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} else {
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xfer->t.speed_hz = wm0010->max_spi_freq;
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if (wm0010->board_max_spi_speed &&
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(wm0010->board_max_spi_speed < wm0010->max_spi_freq))
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xfer->t.speed_hz = wm0010->board_max_spi_speed;
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}
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/* Store max usable spi frequency for later use */
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wm0010->max_spi_freq = xfer->t.speed_hz;
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spi_message_add_tail(&xfer->t, &xfer->m);
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offset += ((rec->length) + 8);
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rec = (void *)&rec->data[rec->length];
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if (offset >= fw->size) {
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dev_dbg(codec->dev, "All transfers scheduled\n");
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xfer->done = &done;
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}
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ret = spi_async(spi, &xfer->m);
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if (ret != 0) {
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dev_err(codec->dev, "Write failed: %d\n", ret);
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goto abort1;
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}
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if (wm0010->boot_failed) {
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dev_dbg(codec->dev, "Boot fail!\n");
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ret = -EINVAL;
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goto abort1;
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}
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}
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wait_for_completion(&done);
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ret = 0;
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abort1:
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while (!list_empty(&xfer_list)) {
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xfer = list_first_entry(&xfer_list, struct wm0010_boot_xfer,
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list);
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kfree(xfer->t.rx_buf);
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kfree(xfer->t.tx_buf);
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list_del(&xfer->list);
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kfree(xfer);
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}
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abort:
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release_firmware(fw);
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return ret;
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}
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static int wm0010_stage2_load(struct snd_soc_codec *codec)
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{
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struct spi_device *spi = to_spi_device(codec->dev);
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struct wm0010_priv *wm0010 = snd_soc_codec_get_drvdata(codec);
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const struct firmware *fw;
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struct spi_message m;
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struct spi_transfer t;
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u32 *img;
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u8 *out;
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int i;
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int ret = 0;
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ret = request_firmware(&fw, "wm0010_stage2.bin", codec->dev);
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if (ret != 0) {
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dev_err(codec->dev, "Failed to request stage2 loader: %d\n",
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ret);
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return ret;
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}
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dev_dbg(codec->dev, "Downloading %zu byte stage 2 loader\n", fw->size);
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/* Copy to local buffer first as vmalloc causes problems for dma */
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img = kzalloc(fw->size, GFP_KERNEL);
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if (!img) {
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dev_err(codec->dev, "Failed to allocate image buffer\n");
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ret = -ENOMEM;
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goto abort2;
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}
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out = kzalloc(fw->size, GFP_KERNEL);
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if (!out) {
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dev_err(codec->dev, "Failed to allocate output buffer\n");
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ret = -ENOMEM;
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goto abort1;
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}
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memcpy(img, &fw->data[0], fw->size);
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spi_message_init(&m);
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memset(&t, 0, sizeof(t));
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t.rx_buf = out;
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t.tx_buf = img;
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t.len = fw->size;
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t.bits_per_word = 8;
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t.speed_hz = wm0010->sysclk / 10;
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spi_message_add_tail(&t, &m);
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dev_dbg(codec->dev, "Starting initial download at %dHz\n",
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t.speed_hz);
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ret = spi_sync(spi, &m);
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if (ret != 0) {
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dev_err(codec->dev, "Initial download failed: %d\n", ret);
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goto abort;
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}
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/* Look for errors from the boot ROM */
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for (i = 0; i < fw->size; i++) {
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if (out[i] != 0x55) {
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dev_err(codec->dev, "Boot ROM error: %x in %d\n",
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out[i], i);
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wm0010_mark_boot_failure(wm0010);
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ret = -EBUSY;
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goto abort;
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}
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}
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abort:
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kfree(out);
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abort1:
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kfree(img);
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abort2:
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release_firmware(fw);
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return ret;
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}
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static int wm0010_boot(struct snd_soc_codec *codec)
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{
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struct spi_device *spi = to_spi_device(codec->dev);
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struct wm0010_priv *wm0010 = snd_soc_codec_get_drvdata(codec);
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unsigned long flags;
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int ret;
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const struct firmware *fw;
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struct spi_message m;
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struct spi_transfer t;
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struct dfw_pllrec pll_rec;
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u32 *img, *p;
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u32 *p, len;
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u64 *img_swap;
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u8 *out;
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u32 len, offset;
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int i;
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spin_lock_irqsave(&wm0010->irq_lock, flags);
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@ -365,8 +602,6 @@ static int wm0010_boot(struct snd_soc_codec *codec)
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goto err;
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}
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INIT_LIST_HEAD(&xfer_list);
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mutex_lock(&wm0010->lock);
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wm0010->pll_running = false;
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@ -402,65 +637,19 @@ static int wm0010_boot(struct snd_soc_codec *codec)
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}
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if (!wait_for_completion_timeout(&wm0010->boot_completion,
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msecs_to_jiffies(10)))
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msecs_to_jiffies(20)))
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dev_err(codec->dev, "Failed to get interrupt from DSP\n");
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spin_lock_irqsave(&wm0010->irq_lock, flags);
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wm0010->state = WM0010_BOOTROM;
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spin_unlock_irqrestore(&wm0010->irq_lock, flags);
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dev_dbg(codec->dev, "Downloading %zu byte stage 2 loader\n", fw->size);
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/* Copy to local buffer first as vmalloc causes problems for dma */
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img = kzalloc(fw->size, GFP_KERNEL);
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if (!img) {
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dev_err(codec->dev, "Failed to allocate image buffer\n");
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ret = wm0010_stage2_load(codec);
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if (ret)
|
||||
goto abort;
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||||
}
|
||||
|
||||
out = kzalloc(fw->size, GFP_KERNEL);
|
||||
if (!out) {
|
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dev_err(codec->dev, "Failed to allocate output buffer\n");
|
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goto abort;
|
||||
}
|
||||
|
||||
memcpy(img, &fw->data[0], fw->size);
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|
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spi_message_init(&m);
|
||||
memset(&t, 0, sizeof(t));
|
||||
t.rx_buf = out;
|
||||
t.tx_buf = img;
|
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t.len = fw->size;
|
||||
t.bits_per_word = 8;
|
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t.speed_hz = wm0010->sysclk / 10;
|
||||
spi_message_add_tail(&t, &m);
|
||||
|
||||
dev_dbg(codec->dev, "Starting initial download at %dHz\n",
|
||||
t.speed_hz);
|
||||
|
||||
ret = spi_sync(spi, &m);
|
||||
if (ret != 0) {
|
||||
dev_err(codec->dev, "Initial download failed: %d\n", ret);
|
||||
goto abort;
|
||||
}
|
||||
|
||||
/* Look for errors from the boot ROM */
|
||||
for (i = 0; i < fw->size; i++) {
|
||||
if (out[i] != 0x55) {
|
||||
ret = -EBUSY;
|
||||
dev_err(codec->dev, "Boot ROM error: %x in %d\n",
|
||||
out[i], i);
|
||||
wm0010_mark_boot_failure(wm0010);
|
||||
goto abort;
|
||||
}
|
||||
}
|
||||
|
||||
release_firmware(fw);
|
||||
kfree(img);
|
||||
kfree(out);
|
||||
|
||||
if (!wait_for_completion_timeout(&wm0010->boot_completion,
|
||||
msecs_to_jiffies(10)))
|
||||
msecs_to_jiffies(20)))
|
||||
dev_err(codec->dev, "Failed to get interrupt from DSP loader.\n");
|
||||
|
||||
spin_lock_irqsave(&wm0010->irq_lock, flags);
|
||||
@ -535,110 +724,10 @@ static int wm0010_boot(struct snd_soc_codec *codec)
|
||||
} else
|
||||
dev_dbg(codec->dev, "Not enabling DSP PLL.");
|
||||
|
||||
ret = request_firmware(&fw, "wm0010.dfw", codec->dev);
|
||||
if (ret != 0) {
|
||||
dev_err(codec->dev, "Failed to request application: %d\n",
|
||||
ret);
|
||||
ret = wm0010_firmware_load("wm0010.dfw", codec);
|
||||
|
||||
if (ret != 0)
|
||||
goto abort;
|
||||
}
|
||||
|
||||
rec = (const struct dfw_binrec *)fw->data;
|
||||
offset = 0;
|
||||
wm0010->boot_done = 0;
|
||||
wm0010->boot_failed = false;
|
||||
BUG_ON(!list_empty(&xfer_list));
|
||||
init_completion(&done);
|
||||
|
||||
/* First record should be INFO */
|
||||
if (rec->command != DFW_CMD_INFO) {
|
||||
dev_err(codec->dev, "First record not INFO\r\n");
|
||||
goto abort;
|
||||
}
|
||||
|
||||
/* Check it's a 0010 file */
|
||||
if (rec->data[0] != DEVICE_ID_WM0010) {
|
||||
dev_err(codec->dev, "Not a WM0010 firmware file.\r\n");
|
||||
goto abort;
|
||||
}
|
||||
|
||||
/* Skip the info record as we don't need to send it */
|
||||
offset += ((rec->length) + 8);
|
||||
rec = (void *)&rec->data[rec->length];
|
||||
|
||||
while (offset < fw->size) {
|
||||
dev_dbg(codec->dev,
|
||||
"Packet: command %d, data length = 0x%x\r\n",
|
||||
rec->command, rec->length);
|
||||
len = rec->length + 8;
|
||||
|
||||
out = kzalloc(len, GFP_KERNEL);
|
||||
if (!out) {
|
||||
dev_err(codec->dev,
|
||||
"Failed to allocate RX buffer\n");
|
||||
goto abort;
|
||||
}
|
||||
|
||||
img_swap = kzalloc(len, GFP_KERNEL);
|
||||
if (!img_swap) {
|
||||
dev_err(codec->dev,
|
||||
"Failed to allocate image buffer\n");
|
||||
goto abort;
|
||||
}
|
||||
|
||||
/* We need to re-order for 0010 */
|
||||
byte_swap_64((u64 *)&rec->command, img_swap, len);
|
||||
|
||||
xfer = kzalloc(sizeof(*xfer), GFP_KERNEL);
|
||||
if (!xfer) {
|
||||
dev_err(codec->dev, "Failed to allocate xfer\n");
|
||||
goto abort;
|
||||
}
|
||||
|
||||
xfer->codec = codec;
|
||||
list_add_tail(&xfer->list, &xfer_list);
|
||||
|
||||
spi_message_init(&xfer->m);
|
||||
xfer->m.complete = wm0010_boot_xfer_complete;
|
||||
xfer->m.context = xfer;
|
||||
xfer->t.tx_buf = img_swap;
|
||||
xfer->t.rx_buf = out;
|
||||
xfer->t.len = len;
|
||||
xfer->t.bits_per_word = 8;
|
||||
|
||||
if (!wm0010->pll_running) {
|
||||
xfer->t.speed_hz = wm0010->sysclk / 6;
|
||||
} else {
|
||||
xfer->t.speed_hz = wm0010->max_spi_freq;
|
||||
|
||||
if (wm0010->board_max_spi_speed &&
|
||||
(wm0010->board_max_spi_speed < wm0010->max_spi_freq))
|
||||
xfer->t.speed_hz = wm0010->board_max_spi_speed;
|
||||
}
|
||||
|
||||
/* Store max usable spi frequency for later use */
|
||||
wm0010->max_spi_freq = xfer->t.speed_hz;
|
||||
|
||||
spi_message_add_tail(&xfer->t, &xfer->m);
|
||||
|
||||
offset += ((rec->length) + 8);
|
||||
rec = (void *)&rec->data[rec->length];
|
||||
|
||||
if (offset >= fw->size) {
|
||||
dev_dbg(codec->dev, "All transfers scheduled\n");
|
||||
xfer->done = &done;
|
||||
}
|
||||
|
||||
ret = spi_async(spi, &xfer->m);
|
||||
if (ret != 0) {
|
||||
dev_err(codec->dev, "Write failed: %d\n", ret);
|
||||
goto abort;
|
||||
}
|
||||
|
||||
if (wm0010->boot_failed)
|
||||
goto abort;
|
||||
}
|
||||
|
||||
wait_for_completion(&done);
|
||||
|
||||
spin_lock_irqsave(&wm0010->irq_lock, flags);
|
||||
wm0010->state = WM0010_FIRMWARE;
|
||||
@ -646,17 +735,6 @@ static int wm0010_boot(struct snd_soc_codec *codec)
|
||||
|
||||
mutex_unlock(&wm0010->lock);
|
||||
|
||||
release_firmware(fw);
|
||||
|
||||
while (!list_empty(&xfer_list)) {
|
||||
xfer = list_first_entry(&xfer_list, struct wm0010_boot_xfer,
|
||||
list);
|
||||
kfree(xfer->t.rx_buf);
|
||||
kfree(xfer->t.tx_buf);
|
||||
list_del(&xfer->list);
|
||||
kfree(xfer);
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
abort:
|
||||
@ -784,7 +862,6 @@ static irqreturn_t wm0010_irq(int irq, void *data)
|
||||
struct wm0010_priv *wm0010 = data;
|
||||
|
||||
switch (wm0010->state) {
|
||||
case WM0010_POWER_OFF:
|
||||
case WM0010_OUT_OF_RESET:
|
||||
case WM0010_BOOTROM:
|
||||
case WM0010_STAGE2:
|
||||
|
||||
Loading…
Reference in New Issue
Block a user