diff options
Diffstat (limited to 'sound/soc/codecs/wm0010.c')
| -rw-r--r-- | sound/soc/codecs/wm0010.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/sound/soc/codecs/wm0010.c b/sound/soc/codecs/wm0010.c index 8ebb8da88f73..3c3a7b16bb8b 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; @@ -342,6 +352,7 @@ static int wm0010_firmware_load(char *name, struct snd_soc_codec *codec) 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; @@ -356,8 +367,9 @@ static int wm0010_firmware_load(char *name, struct snd_soc_codec *codec) } rec = (const struct dfw_binrec *)fw->data; + inforec = (const struct dfw_inforec *)rec->data; offset = 0; - dsp = rec->data[0]; + dsp = inforec->dsp_target; wm0010->boot_failed = false; BUG_ON(!list_empty(&xfer_list)); init_completion(&done); @@ -369,6 +381,17 @@ static int wm0010_firmware_load(char *name, struct snd_soc_codec *codec) 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"); |