diff --git a/sound/soc/codecs/wm0010.c b/sound/soc/codecs/wm0010.c index 99afc003a084..40256b526259 100644 --- a/sound/soc/codecs/wm0010.c +++ b/sound/soc/codecs/wm0010.c @@ -31,6 +31,9 @@ #define DEVICE_ID_WM0010 10 +/* We only support v1 of the .dfw INFO record */ +#define INFO_VERSION 1 + enum dfw_cmd { DFW_CMD_FUSE = 0x01, DFW_CMD_CODE_HDR, @@ -46,6 +49,13 @@ struct dfw_binrec { uint8_t data[0]; } __packed; +struct dfw_inforec { + u8 info_version; + u8 tool_major_version; + u8 tool_minor_version; + u8 dsp_target; +}; + struct dfw_pllrec { u8 command; u32 length:24; @@ -97,7 +107,6 @@ struct wm0010_priv { enum wm0010_state state; bool boot_failed; - int boot_done; bool ready; bool pll_running; int max_spi_freq; @@ -234,7 +243,7 @@ static void wm0010_boot_xfer_complete(void *data) break; case 0x55555555: - if (wm0010->boot_done == 0) + if (wm0010->state < WM0010_STAGE2) break; dev_err(codec->dev, "%d: ROM bootloader running in stage 2\n", i); @@ -321,7 +330,6 @@ static void wm0010_boot_xfer_complete(void *data) break; } - wm0010->boot_done++; if (xfer->done) complete(xfer->done); } @@ -334,24 +342,253 @@ static void byte_swap_64(u64 *data_in, u64 *data_out, u32 len) data_out[i] = cpu_to_be64(le64_to_cpu(data_in[i])); } -static int wm0010_boot(struct snd_soc_codec *codec) +static int wm0010_firmware_load(char *name, struct snd_soc_codec *codec) { struct spi_device *spi = to_spi_device(codec->dev); struct wm0010_priv *wm0010 = snd_soc_codec_get_drvdata(codec); - unsigned long flags; struct list_head xfer_list; struct wm0010_boot_xfer *xfer; int ret; struct completion done; const struct firmware *fw; const struct dfw_binrec *rec; + const struct dfw_inforec *inforec; + u64 *img; + u8 *out, dsp; + u32 len, offset; + + INIT_LIST_HEAD(&xfer_list); + + ret = request_firmware(&fw, name, codec->dev); + if (ret != 0) { + dev_err(codec->dev, "Failed to request application: %d\n", + ret); + return ret; + } + + rec = (const struct dfw_binrec *)fw->data; + inforec = (const struct dfw_inforec *)rec->data; + offset = 0; + dsp = inforec->dsp_target; + 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"); + ret = -EINVAL; + goto abort; + } + + if (inforec->info_version != INFO_VERSION) { + dev_err(codec->dev, + "Unsupported version (%02d) of INFO record\r\n", + inforec->info_version); + ret = -EINVAL; + goto abort; + } + + dev_dbg(codec->dev, "Version v%02d INFO record found\r\n", + inforec->info_version); + + /* Check it's a DSP file */ + if (dsp != DEVICE_ID_WM0010) { + dev_err(codec->dev, "Not a WM0010 firmware file.\r\n"); + ret = -EINVAL; + 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"); + ret = -ENOMEM; + goto abort1; + } + + img = kzalloc(len, GFP_KERNEL); + if (!img) { + dev_err(codec->dev, + "Failed to allocate image buffer\n"); + ret = -ENOMEM; + goto abort1; + } + + byte_swap_64((u64 *)&rec->command, img, len); + + xfer = kzalloc(sizeof(*xfer), GFP_KERNEL); + if (!xfer) { + dev_err(codec->dev, "Failed to allocate xfer\n"); + ret = -ENOMEM; + goto abort1; + } + + 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; + 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 abort1; + } + + if (wm0010->boot_failed) { + dev_dbg(codec->dev, "Boot fail!\n"); + ret = -EINVAL; + goto abort1; + } + } + + wait_for_completion(&done); + + ret = 0; + +abort1: + 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); + } + +abort: + release_firmware(fw); + return ret; +} + +static int wm0010_stage2_load(struct snd_soc_codec *codec) +{ + struct spi_device *spi = to_spi_device(codec->dev); + struct wm0010_priv *wm0010 = snd_soc_codec_get_drvdata(codec); + const struct firmware *fw; + struct spi_message m; + struct spi_transfer t; + u32 *img; + u8 *out; + int i; + int ret = 0; + + ret = request_firmware(&fw, "wm0010_stage2.bin", codec->dev); + if (ret != 0) { + dev_err(codec->dev, "Failed to request stage2 loader: %d\n", + ret); + return ret; + } + + dev_dbg(codec->dev, "Downloading %zu byte stage 2 loader\n", fw->size); + + /* Copy to local buffer first as vmalloc causes problems for dma */ + img = kzalloc(fw->size, GFP_KERNEL); + if (!img) { + dev_err(codec->dev, "Failed to allocate image buffer\n"); + ret = -ENOMEM; + goto abort2; + } + + out = kzalloc(fw->size, GFP_KERNEL); + if (!out) { + dev_err(codec->dev, "Failed to allocate output buffer\n"); + ret = -ENOMEM; + goto abort1; + } + + memcpy(img, &fw->data[0], fw->size); + + spi_message_init(&m); + memset(&t, 0, sizeof(t)); + t.rx_buf = out; + t.tx_buf = img; + t.len = fw->size; + t.bits_per_word = 8; + 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) { + dev_err(codec->dev, "Boot ROM error: %x in %d\n", + out[i], i); + wm0010_mark_boot_failure(wm0010); + ret = -EBUSY; + goto abort; + } + } +abort: + kfree(out); +abort1: + kfree(img); +abort2: + release_firmware(fw); + + return ret; +} + +static int wm0010_boot(struct snd_soc_codec *codec) +{ + struct spi_device *spi = to_spi_device(codec->dev); + struct wm0010_priv *wm0010 = snd_soc_codec_get_drvdata(codec); + unsigned long flags; + int ret; + const struct firmware *fw; struct spi_message m; struct spi_transfer t; struct dfw_pllrec pll_rec; - u32 *img, *p; + u32 *p, len; u64 *img_swap; u8 *out; - u32 len, offset; int i; spin_lock_irqsave(&wm0010->irq_lock, flags); @@ -365,8 +602,6 @@ static int wm0010_boot(struct snd_soc_codec *codec) goto err; } - INIT_LIST_HEAD(&xfer_list); - mutex_lock(&wm0010->lock); wm0010->pll_running = false; @@ -402,65 +637,19 @@ static int wm0010_boot(struct snd_soc_codec *codec) } 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\n"); spin_lock_irqsave(&wm0010->irq_lock, flags); wm0010->state = WM0010_BOOTROM; spin_unlock_irqrestore(&wm0010->irq_lock, flags); - dev_dbg(codec->dev, "Downloading %zu byte stage 2 loader\n", fw->size); - - /* Copy to local buffer first as vmalloc causes problems for dma */ - img = kzalloc(fw->size, GFP_KERNEL); - if (!img) { - dev_err(codec->dev, "Failed to allocate image buffer\n"); + ret = wm0010_stage2_load(codec); + if (ret) goto abort; - } - - out = kzalloc(fw->size, GFP_KERNEL); - if (!out) { - dev_err(codec->dev, "Failed to allocate output buffer\n"); - goto abort; - } - - memcpy(img, &fw->data[0], fw->size); - - spi_message_init(&m); - memset(&t, 0, sizeof(t)); - t.rx_buf = out; - t.tx_buf = img; - t.len = fw->size; - t.bits_per_word = 8; - 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: