[Sound-open-firmware] [PATCH V3 1/2] ASoc: SOF: Add memory window for all platform

Pierre-Louis Bossart pierre-louis.bossart at linux.intel.com
Sat Mar 3 03:16:15 CET 2018


And on top on my previous comments this patch causes a kernel oops - 
likely because the matching patches are not yet merged in the firmware 
master branch. If there is such a dependency between firmware and 
driver, please make it clear upfront, thanks.

[    8.767359] sof-audio sof-audio: ipc: send 0x30010000
[    9.071043] sof-audio sof-audio: error: ipc timed out for 0x30010000 
size 0x3c
[    9.071202] sof-audio sof-audio: error: DSP failed to add widget id 0 
type 11 name : PCM0P stream Passthrough Playback reply 0
[    9.071371] BUG: unable to handle kernel NULL pointer dereference at 
0000000000000050
[    9.071497] IP: sof_widget_unload+0xe/0x90 [snd_sof]
[    9.071569] PGD 0 P4D 0
[    9.071615] Oops: 0000 [#1] PREEMPT SMP
[    9.071674] Modules linked in: nls_iso8859_1 
snd_soc_sst_byt_cht_da7213(+) intel_rapl intel_soc_dts_thermal 
intel_soc_dts_iosf intel_powerclamp coretemp crct10dif_pclmul 
crc32_pclmul ghash_clmulni_intel pcbc snd_hda_codec_hdmi aesni_intel 
aes_x86_64 crypto_simd glue_helper cryptd snd_soc_rt5670 sof_acpi_dev 
snd_soc_rt5645 snd_hda_intel snd_sof_intel_hsw snd_sof_intel_byt 
snd_soc_rt5640 snd_soc_acpi_intel_match snd_sof_intel_bdw snd_soc_rl6231 
snd_sof snd_soc_acpi snd_soc_da7213 snd_hda_codec lpc_ich snd_hwdep 
snd_seq_midi mfd_core snd_hda_core snd_seq_midi_event snd_soc_core 
shpchp snd_compress snd_rawmidi snd_pcm snd_seq snd_seq_device snd_timer 
snd soundcore 8250_dw ip_tables x_tables autofs4 hid_generic 
hid_logitech_hidpp hid_logitech_dj usbhid hid mmc_block i915 
i2c_algo_bit drm_kms_helper syscopyarea
[    9.072676]  sysfillrect sysimgblt fb_sys_fops r8169 drm mii 
sdhci_acpi video sdhci
[    9.072797] CPU: 0 PID: 250 Comm: systemd-udevd Not tainted 
4.14.0-test+ #14
[    9.072896] Hardware name: ADI Minnowboard Turbot D0 
PLATFORM/MinnowBoard Turbot, BIOS MNW2MAX1.X64.0094.R01.1612052239 
12/05/2016
[    9.073054] task: ffff98feb2804240 task.stack: ffffa8cbc06a0000
[    9.073145] RIP: 0010:sof_widget_unload+0xe/0x90 [snd_sof]
[    9.073223] RSP: 0018:ffffa8cbc06a36a8 EFLAGS: 00010286
[    9.073300] RAX: ffffffffc053ca60 RBX: 0000000000000000 RCX: 
0000000000000001
[    9.073399] RDX: 0000000000000003 RSI: ffff98feb9cf1ea0 RDI: 
ffff98feb9e2cc20
[    9.073497] RBP: ffffa8cbc06a36b0 R08: 0000000000000000 R09: 
0000000000000290
[    9.073596] R10: ffffa8cbc06a3538 R11: 00000000ffffffff R12: 
ffff98feb9cf1ea0
[    9.073695] R13: 0000000000000000 R14: ffff98feb9cf1e00 R15: 
00000000ffffff92
[    9.073794] FS:  00007f6ecf192400(0000) GS:ffff98feb8000000(0000) 
knlGS:0000000000000000
[    9.073906] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.073987] CR2: 0000000000000050 CR3: 0000000036e2e000 CR4: 
00000000001006f0
[    9.074086] Call Trace:
[    9.074148]  remove_widget+0x40/0x170 [snd_soc_core]
[    9.074238]  snd_soc_tplg_widget_remove.part.22+0x22/0x30 [snd_soc_core]
[    9.074348]  soc_tplg_dapm_widget_create+0xd35/0xde0 [snd_soc_core]
[    9.074461]  soc_tplg_process_headers+0x77b/0x1f80 [snd_soc_core]
[    9.074554]  ? _raw_spin_lock_irqsave+0x1d/0x50
[    9.074623]  ? _raw_spin_unlock_irqrestore+0x18/0x30
[    9.074698]  ? devres_add+0x5f/0x70
[    9.074755]  ? assign_firmware_buf+0x98/0x200
[    9.074837]  snd_soc_tplg_component_load+0x6e/0xa0 [snd_soc_core]
[    9.074932]  snd_sof_load_topology+0x60/0xc0 [snd_sof]
[    9.075011]  ? __debugfs_create_file+0xce/0x110
[    9.075084]  sof_pcm_probe+0x41/0xa0 [snd_sof]
[    9.075164]  snd_soc_platform_drv_probe+0x16/0x20 [snd_soc_core]
[    9.075264]  soc_probe_component+0x286/0x3d0 [snd_soc_core]
[    9.075360]  snd_soc_register_card+0x636/0xfd0 [snd_soc_core]
[    9.075446]  ? __kmalloc_node_track_caller+0xee/0x2b0
[    9.075537]  devm_snd_soc_register_card+0x41/0x80 [snd_soc_core]
[    9.075628]  bytcht_da7213_probe+0xb9/0x100 [snd_soc_sst_byt_cht_da7213]
[    9.075725]  platform_drv_probe+0x3b/0xa0
[    9.075789]  driver_probe_device+0x2ff/0x450
[    9.081096]  __driver_attach+0xa4/0xe0
[    9.086348]  ? driver_probe_device+0x450/0x450
[    9.091586]  bus_for_each_dev+0x62/0x90
[    9.096787]  driver_attach+0x1e/0x20
[    9.101990]  bus_add_driver+0x1c7/0x270
[    9.107182]  ? 0xffffffffc01ac000
[    9.112364]  driver_register+0x60/0xe0
[    9.117550]  ? 0xffffffffc01ac000
[    9.122741]  __platform_driver_register+0x36/0x40
[    9.127962]  bytcht_da7213_driver_init+0x17/0x1000 
[snd_soc_sst_byt_cht_da7213]
[    9.133253]  do_one_initcall+0x50/0x190
[    9.138528]  ? do_init_module+0x27/0x203
[    9.143794]  do_init_module+0x5f/0x203
[    9.149059]  load_module+0x259e/0x2d20
[    9.154307]  SYSC_finit_module+0xd7/0xf0
[    9.159532]  ? SYSC_finit_module+0xd7/0xf0
[    9.164759]  SyS_finit_module+0xe/0x10
[    9.169966]  do_syscall_64+0x59/0x110
[    9.175169]  entry_SYSCALL64_slow_path+0x25/0x25
[    9.180384] RIP: 0033:0x7f6ecea92a49
[    9.185565] RSP: 002b:00007ffe55acdb88 EFLAGS: 00000246 ORIG_RAX: 
0000000000000139
[    9.190831] RAX: ffffffffffffffda RBX: 00005575ec0f6850 RCX: 
00007f6ecea92a49
[    9.196116] RDX: 0000000000000000 RSI: 00007f6ece77e1c5 RDI: 
0000000000000007
[    9.201427] RBP: 00007f6ece77e1c5 R08: 0000000000000000 R09: 
00005575ec0f6850
[    9.206742] R10: 0000000000000007 R11: 0000000000000246 R12: 
0000000000000000
[    9.212076] R13: 00005575ec0f67f0 R14: 0000000000020000 R15: 
00005575ec0f6850
[    9.217423] Code: 48 05 00 01 00 00 48 89 87 e0 04 00 00 e8 5b ed cb 
d8 31 c0 5d c3 0f 1f 80 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 53 48 8b 
5e 38 <48> 8b 7b 50 48 85 ff 74 38 48 8b 87 90 00 00 00 48 8b 97 88 00
[    9.223183] RIP: sof_widget_unload+0xe/0x90 [snd_sof] RSP: 
ffffa8cbc06a36a8
[    9.228835] CR2: 0000000000000050
[    9.235140] ---[ end trace d9fd6055d01be8a0 ]---


On 03/02/2018 07:38 PM, Pierre-Louis Bossart wrote:
>
>
> On 03/02/2018 03:21 AM, Xiuli Pan wrote:
>> From: Pan Xiuli <xiuli.pan at linux.intel.com>
>>
>> Add memory window handler for BYT, HSW and BDW.
>>
>> Signed-off-by: Pan Xiuli <xiuli.pan at linux.intel.com>
>
>
> Can you please run checkpatch --strict and resubmit. Nothing personal, 
> it's the same for everyone.
> I have no appetite for fixing this sort of formatting issues myself.
> See also comments in the code below.
>
> CHECK: Comparison to NULL could be written "!sdev->info_window"
> #67: FILE: sound/soc/sof/hw-bdw.c:402:
> +    if (sdev->info_window == NULL)
>
> CHECK: Blank lines aren't necessary after an open brace '{'
> #71: FILE: sound/soc/sof/hw-bdw.c:406:
> +    for (i = 0; i < sdev->info_window->num_windows; i++) {
> +
>
> CHECK: Alignment should match open parenthesis
> #79: FILE: sound/soc/sof/hw-bdw.c:414:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[BDW_DSP_BAR] + inbox_offset,
>
> CHECK: Alignment should match open parenthesis
> #86: FILE: sound/soc/sof/hw-bdw.c:421:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[BDW_DSP_BAR] + outbox_offset,
>
> CHECK: Alignment should match open parenthesis
> #91: FILE: sound/soc/sof/hw-bdw.c:426:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[BDW_DSP_BAR] + elem->offset +
>
> CHECK: Alignment should match open parenthesis
> #96: FILE: sound/soc/sof/hw-bdw.c:431:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[BDW_DSP_BAR] + elem->offset +
>
> CHECK: Alignment should match open parenthesis
> #103: FILE: sound/soc/sof/hw-bdw.c:438:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[BDW_DSP_BAR] + stream_offset,
>
> CHECK: Alignment should match open parenthesis
> #108: FILE: sound/soc/sof/hw-bdw.c:443:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[BDW_DSP_BAR] + elem->offset +
>
> CHECK: Alignment should match open parenthesis
> #117: FILE: sound/soc/sof/hw-bdw.c:452:
> +    snd_sof_dsp_mailbox_init(sdev, inbox_offset, inbox_size,
> +        outbox_offset, outbox_size);
>
> CHECK: Alignment should match open parenthesis
> #147: FILE: sound/soc/sof/hw-bdw.c:480:
> +    snd_sof_fw_parse_ext_data(sdev,
> +        MBOX_OFFSET + sizeof(struct sof_ipc_fw_ready));
>
> CHECK: Comparison to NULL could be written "!sdev->info_window"
> #189: FILE: sound/soc/sof/hw-byt.c:172:
> +    if (sdev->info_window == NULL)
>
> CHECK: Blank lines aren't necessary after an open brace '{'
> #193: FILE: sound/soc/sof/hw-byt.c:176:
> +    for (i = 0; i < sdev->info_window->num_windows; i++) {
> +
>
> CHECK: Alignment should match open parenthesis
> #201: FILE: sound/soc/sof/hw-byt.c:184:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[BYT_DSP_BAR] + inbox_offset,
>
> CHECK: Alignment should match open parenthesis
> #208: FILE: sound/soc/sof/hw-byt.c:191:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[BYT_DSP_BAR] + outbox_offset,
>
> CHECK: Alignment should match open parenthesis
> #213: FILE: sound/soc/sof/hw-byt.c:196:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[BYT_DSP_BAR] + elem->offset +
>
> CHECK: Alignment should match open parenthesis
> #218: FILE: sound/soc/sof/hw-byt.c:201:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[BYT_DSP_BAR] + elem->offset +
>
> CHECK: Alignment should match open parenthesis
> #225: FILE: sound/soc/sof/hw-byt.c:208:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[BYT_DSP_BAR] + stream_offset,
>
> CHECK: Alignment should match open parenthesis
> #230: FILE: sound/soc/sof/hw-byt.c:213:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[BYT_DSP_BAR] + elem->offset +
>
> CHECK: Alignment should match open parenthesis
> #239: FILE: sound/soc/sof/hw-byt.c:222:
> +    snd_sof_dsp_mailbox_init(sdev, inbox_offset, inbox_size,
> +        outbox_offset, outbox_size);
>
> CHECK: Alignment should match open parenthesis
> #269: FILE: sound/soc/sof/hw-byt.c:250:
> +    snd_sof_fw_parse_ext_data(sdev,
> +        MBOX_OFFSET + sizeof(struct sof_ipc_fw_ready));
>
> CHECK: Comparison to NULL could be written "!sdev->info_window"
> #303: FILE: sound/soc/sof/hw-hsw.c:402:
> +    if (sdev->info_window == NULL)
>
> CHECK: Blank lines aren't necessary after an open brace '{'
> #307: FILE: sound/soc/sof/hw-hsw.c:406:
> +    for (i = 0; i < sdev->info_window->num_windows; i++) {
> +
>
> CHECK: Alignment should match open parenthesis
> #315: FILE: sound/soc/sof/hw-hsw.c:414:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[HSW_DSP_BAR] + inbox_offset,
>
> CHECK: Alignment should match open parenthesis
> #322: FILE: sound/soc/sof/hw-hsw.c:421:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[HSW_DSP_BAR] + outbox_offset,
>
> CHECK: Alignment should match open parenthesis
> #327: FILE: sound/soc/sof/hw-hsw.c:426:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[HSW_DSP_BAR] + elem->offset +
>
> CHECK: Alignment should match open parenthesis
> #332: FILE: sound/soc/sof/hw-hsw.c:431:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[HSW_DSP_BAR] + elem->offset +
>
> CHECK: Alignment should match open parenthesis
> #339: FILE: sound/soc/sof/hw-hsw.c:438:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[HSW_DSP_BAR] + stream_offset,
>
> CHECK: Alignment should match open parenthesis
> #344: FILE: sound/soc/sof/hw-hsw.c:443:
> +            snd_sof_debugfs_create_item(sdev,
> +                sdev->bar[HSW_DSP_BAR] + elem->offset +
>
> CHECK: Alignment should match open parenthesis
> #353: FILE: sound/soc/sof/hw-hsw.c:452:
> +    snd_sof_dsp_mailbox_init(sdev, inbox_offset, inbox_size,
> +        outbox_offset, outbox_size);
>
> CHECK: Alignment should match open parenthesis
> #382: FILE: sound/soc/sof/hw-hsw.c:479:
> +    snd_sof_fw_parse_ext_data(sdev,
> +        MBOX_OFFSET + sizeof(struct sof_ipc_fw_ready));
>
>> ---
>> Test with:
>> Mininow max rt5651 GP-MRB nocodec
>> SOF master: 1693b66bb1d804ded975767cc1e5911e6ff9c93c
>> SOF-Tool master: a02abb799405d0e4ad0d6bb46eacf6fbe958c06e
>> https://github.com/plbossart/sound/tree/topic/sof-v4.14:
>> 9513a73b981bc1917705671ec54402a7e21672eb
>>
>> ---
>>   sound/soc/sof/hw-apl.c | 11 +++++--
>>   sound/soc/sof/hw-bdw.c | 86 
>> ++++++++++++++++++++++++++++++++++++++++++-------
>>   sound/soc/sof/hw-byt.c | 87 
>> +++++++++++++++++++++++++++++++++++++++++++-------
>>   sound/soc/sof/hw-hsw.c | 85 
>> +++++++++++++++++++++++++++++++++++++++++-------
>>   4 files changed, 233 insertions(+), 36 deletions(-)
>>
>> diff --git a/sound/soc/sof/hw-apl.c b/sound/soc/sof/hw-apl.c
>> index bfbdd915..de0efe1 100644
>> --- a/sound/soc/sof/hw-apl.c
>> +++ b/sound/soc/sof/hw-apl.c
>> @@ -1089,9 +1089,13 @@ static int apl_prepare(struct snd_sof_dev 
>> *sdev, unsigned int format,
>>   static void apl_get_windows(struct snd_sof_dev *sdev)
>>   {
>>       struct sof_ipc_window_elem *elem;
>> +    u32 outbox_offset = 0;
>> +    u32 stream_offset = 0;
>> +    u32 inbox_offset = 0;
>> +    u32 outbox_size = 0;
>> +    u32 stream_size = 0;
>> +    u32 inbox_size = 0;
>>       int i;
>> -    u32 inbox_offset = 0, outbox_offset = 0;
>> -    u32 inbox_size = 0, outbox_size = 0;
>>         if (!sdev->info_window)
>>           return;
>> @@ -1135,6 +1139,9 @@ static void apl_get_windows(struct snd_sof_dev 
>> *sdev)
>>                               elem->size, "debug");
>>               break;
>>           case SOF_IPC_REGION_STREAM:
>> +            stream_offset =
>> +                elem->offset + SRAM_WINDOW_OFFSET(elem->id);
>> +            stream_size = elem->size;
>>               snd_sof_debugfs_create_item(sdev,
>>                               sdev->bar[APL_DSP_BAR] +
>>                               elem->offset +
>> diff --git a/sound/soc/sof/hw-bdw.c b/sound/soc/sof/hw-bdw.c
>> index bc3141f..5ec0c5b 100644
>> --- a/sound/soc/sof/hw-bdw.c
>> +++ b/sound/soc/sof/hw-bdw.c
>> @@ -63,7 +63,6 @@ static const struct snd_sof_debugfs_map 
>> bdw_debugfs[] = {
>>       {"iram", BDW_DSP_BAR, IRAM_OFFSET, BDW_IRAM_SIZE},
>>       {"dram", BDW_DSP_BAR, DRAM_OFFSET, BDW_DRAM_SIZE},
>>       {"shim", BDW_DSP_BAR, SHIM_OFFSET, SHIM_SIZE},
>> -    {"mbox", BDW_DSP_BAR, MBOX_OFFSET, MBOX_SIZE},
>>   };
>>     /*
>> @@ -379,6 +378,75 @@ static irqreturn_t bdw_irq_thread(int irq, void 
>> *context)
>>   /*
>>    * IPC Firmware ready.
>>    */
>> +static void bdw_get_windows(struct snd_sof_dev *sdev)
>> +{
>> +    struct sof_ipc_window_elem *elem;
>> +    u32 outbox_offset = 0;
>> +    u32 stream_offset = 0;
>> +    u32 inbox_offset = 0;
>> +    u32 outbox_size = 0;
>> +    u32 stream_size = 0;
>> +    u32 inbox_size = 0;
>> +    int i;
>> +
>> +    if (sdev->info_window == NULL)
>> +        return;
> with no error?
>
>> +
>> +    for (i = 0; i < sdev->info_window->num_windows; i++) {
>> +
>> +        elem = &sdev->info_window->window[i];
>> +
>> +        switch (elem->type) {
>> +        case SOF_IPC_REGION_UPBOX:
>> +            inbox_offset = elem->offset + MBOX_OFFSET;
>> +            inbox_size = elem->size;
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[BDW_DSP_BAR] + inbox_offset,
>> +                elem->size, "inbox");
>> +            break;
>> +        case SOF_IPC_REGION_DOWNBOX:
>> +            outbox_offset = elem->offset + MBOX_OFFSET;
>> +            outbox_size = elem->size;
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[BDW_DSP_BAR] + outbox_offset,
>> +                elem->size, "outbox");
>> +            break;
>> +        case SOF_IPC_REGION_TRACE:
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[BDW_DSP_BAR] + elem->offset +
>> +                MBOX_OFFSET, elem->size, "etrace");
>> +            break;
>> +        case SOF_IPC_REGION_DEBUG:
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[BDW_DSP_BAR] + elem->offset +
>> +                MBOX_OFFSET, elem->size, "debug");
>> +            break;
>> +        case SOF_IPC_REGION_STREAM:
>> +            stream_offset = elem->offset + MBOX_OFFSET;
>> +            stream_size = elem->size;
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[BDW_DSP_BAR] + stream_offset,
>> +                elem->size, "stream");
>> +            break;
>> +        case SOF_IPC_REGION_REGS:
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[BDW_DSP_BAR] + elem->offset +
>> +                MBOX_OFFSET, elem->size, "regs");
>> +            break;
>> +        default:
>> +            break;
> so here you will init a mailbox of size zero? This looks like an 
> error, why continue with the execution flow.
>> +        }
>> +    }
>> +
>> +    snd_sof_dsp_mailbox_init(sdev, inbox_offset, inbox_size,
>> +        outbox_offset, outbox_size);
>> +
>> +    dev_dbg(sdev->dev, " mailbox upstream 0x%x - size 0x%x\n",
>> +        inbox_offset, inbox_size);
>> +    dev_dbg(sdev->dev, " mailbox downstream 0x%x - size 0x%x\n",
>> +        outbox_offset, outbox_size);
>> +}
>> +
>>   static int bdw_fw_ready(struct snd_sof_dev *sdev, u32 msg_id)
>>   {
>>       struct sof_ipc_fw_ready *fw_ready = &sdev->fw_ready;
>> @@ -394,19 +462,15 @@ static int bdw_fw_ready(struct snd_sof_dev 
>> *sdev, u32 msg_id)
>>       /* copy data from the DSP FW ready offset */
>>       bdw_block_read(sdev, offset, fw_ready, sizeof(*fw_ready));
>>   -    snd_sof_dsp_mailbox_init(sdev, fw_ready->dspbox_offset,
>> -                 fw_ready->dspbox_size,
>> -                 fw_ready->hostbox_offset,
>> -                 fw_ready->hostbox_size);
>> -
>> -    dev_dbg(sdev->dev, " mailbox DSP initiated 0x%x - size 0x%x\n",
>> -        fw_ready->dspbox_offset, fw_ready->dspbox_size);
>> -    dev_dbg(sdev->dev, " mailbox Host initiated 0x%x - size 0x%x\n",
>> -        fw_ready->hostbox_offset, fw_ready->hostbox_size);
>> -
>>       dev_info(sdev->dev, " Firmware info: version %d:%d-%s build %d 
>> on %s:%s\n",
>>            v->major, v->minor, v->tag, v->build, v->date, v->time);
>>   +    /* now check for extended data */
>> +    snd_sof_fw_parse_ext_data(sdev,
>> +        MBOX_OFFSET + sizeof(struct sof_ipc_fw_ready));
>> +
>> +    bdw_get_windows(sdev);
>> +
>>       return 0;
>>   }
>>   diff --git a/sound/soc/sof/hw-byt.c b/sound/soc/sof/hw-byt.c
>> index 209f72a..031cec6 100644
>> --- a/sound/soc/sof/hw-byt.c
>> +++ b/sound/soc/sof/hw-byt.c
>> @@ -73,7 +73,6 @@ static const struct snd_sof_debugfs_map 
>> byt_debugfs[] = {
>>       {"iram", BYT_DSP_BAR, IRAM_OFFSET, IRAM_SIZE},
>>       {"dram", BYT_DSP_BAR, DRAM_OFFSET, DRAM_SIZE},
>>       {"shim", BYT_DSP_BAR, SHIM_OFFSET, SHIM_SIZE},
>> -    {"mbox", BYT_DSP_BAR, MBOX_OFFSET, MBOX_SIZE},
>>   };
>>     static const struct snd_sof_debugfs_map cht_debugfs[] = {
>> @@ -89,7 +88,6 @@ static const struct snd_sof_debugfs_map 
>> cht_debugfs[] = {
>>       {"iram", BYT_DSP_BAR, IRAM_OFFSET, IRAM_SIZE},
>>       {"dram", BYT_DSP_BAR, DRAM_OFFSET, DRAM_SIZE},
>>       {"shim", BYT_DSP_BAR, SHIM_OFFSET, SHIM_SIZE},
>> -    {"mbox", BYT_DSP_BAR, MBOX_OFFSET, MBOX_SIZE},
>>   };
>>     static void byt_dump(struct snd_sof_dev *sdev, u32 flags)
>> @@ -197,6 +195,75 @@ static void byt_block_read(struct snd_sof_dev 
>> *sdev, u32 offset, void *dest,
>>   /*
>>    * IPC Firmware ready.
>>    */
>> +static void byt_get_windows(struct snd_sof_dev *sdev)
>> +{
>> +    struct sof_ipc_window_elem *elem;
>> +    u32 outbox_offset = 0;
>> +    u32 stream_offset = 0;
>> +    u32 inbox_offset = 0;
>> +    u32 outbox_size = 0;
>> +    u32 stream_size = 0;
>> +    u32 inbox_size = 0;
>> +    int i;
>> +
>> +    if (sdev->info_window == NULL)
>> +        return;
> no error?
>> +
>> +    for (i = 0; i < sdev->info_window->num_windows; i++) {
>> +
>> +        elem = &sdev->info_window->window[i];
>> +
>> +        switch (elem->type) {
>> +        case SOF_IPC_REGION_UPBOX:
>> +            inbox_offset = elem->offset + MBOX_OFFSET;
>> +            inbox_size = elem->size;
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[BYT_DSP_BAR] + inbox_offset,
>> +                elem->size, "inbox");
>> +            break;
>> +        case SOF_IPC_REGION_DOWNBOX:
>> +            outbox_offset = elem->offset + MBOX_OFFSET;
>> +            outbox_size = elem->size;
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[BYT_DSP_BAR] + outbox_offset,
>> +                elem->size, "outbox");
>> +            break;
>> +        case SOF_IPC_REGION_TRACE:
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[BYT_DSP_BAR] + elem->offset +
>> +                MBOX_OFFSET, elem->size, "etrace");
>> +            break;
>> +        case SOF_IPC_REGION_DEBUG:
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[BYT_DSP_BAR] + elem->offset +
>> +                MBOX_OFFSET, elem->size, "debug");
>> +            break;
>> +        case SOF_IPC_REGION_STREAM:
>> +            stream_offset = elem->offset + MBOX_OFFSET;
>> +            stream_size = elem->size;
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[BYT_DSP_BAR] + stream_offset,
>> +                elem->size, "stream");
>> +            break;
>> +        case SOF_IPC_REGION_REGS:
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[BYT_DSP_BAR] + elem->offset +
>> +                MBOX_OFFSET, elem->size, "regs");
>> +            break;
>> +        default:
>> +            break;
> same, this looks wrong.
>> +        }
>> +    }
>> +
>> +    snd_sof_dsp_mailbox_init(sdev, inbox_offset, inbox_size,
>> +        outbox_offset, outbox_size);
>> +
>> +    dev_dbg(sdev->dev, " mailbox upstream 0x%x - size 0x%x\n",
>> +        inbox_offset, inbox_size);
>> +    dev_dbg(sdev->dev, " mailbox downstream 0x%x - size 0x%x\n",
>> +        outbox_offset, outbox_size);
>> +}
>> +
>>   static int byt_fw_ready(struct snd_sof_dev *sdev, u32 msg_id)
>>   {
>>       struct sof_ipc_fw_ready *fw_ready = &sdev->fw_ready;
>> @@ -212,19 +279,15 @@ static int byt_fw_ready(struct snd_sof_dev 
>> *sdev, u32 msg_id)
>>       /* copy data from the DSP FW ready offset */
>>       byt_block_read(sdev, offset, fw_ready, sizeof(*fw_ready));
>>   -    snd_sof_dsp_mailbox_init(sdev, fw_ready->dspbox_offset,
>> -                 fw_ready->dspbox_size,
>> -                 fw_ready->hostbox_offset,
>> -                 fw_ready->hostbox_size);
>> -
>> -    dev_dbg(sdev->dev, " mailbox DSP initiated 0x%x - size 0x%x\n",
>> -        fw_ready->dspbox_offset, fw_ready->dspbox_size);
>> -    dev_dbg(sdev->dev, " mailbox Host initiated 0x%x - size 0x%x\n",
>> -        fw_ready->hostbox_offset, fw_ready->hostbox_size);
>> -
>>       dev_info(sdev->dev, " Firmware info: version %d:%d-%s build %d 
>> on %s:%s\n",
>>            v->major, v->minor, v->tag, v->build, v->date, v->time);
>>   +    /* now check for extended data */
>> +    snd_sof_fw_parse_ext_data(sdev,
>> +        MBOX_OFFSET + sizeof(struct sof_ipc_fw_ready));
>> +
>> +    byt_get_windows(sdev);
>> +
>>       return 0;
>>   }
>>   diff --git a/sound/soc/sof/hw-hsw.c b/sound/soc/sof/hw-hsw.c
>> index c6366bb..2f36216 100644
>> --- a/sound/soc/sof/hw-hsw.c
>> +++ b/sound/soc/sof/hw-hsw.c
>> @@ -63,7 +63,6 @@ static const struct snd_sof_debugfs_map 
>> hsw_debugfs[] = {
>>       {"iram", HSW_DSP_BAR, IRAM_OFFSET, HSW_IRAM_SIZE},
>>       {"dram", HSW_DSP_BAR, DRAM_OFFSET, HSW_DRAM_SIZE},
>>       {"shim", HSW_DSP_BAR, SHIM_OFFSET, SHIM_SIZE},
>> -    {"mbox", HSW_DSP_BAR, MBOX_OFFSET, MBOX_SIZE},
>>   };
>>     /*
>> @@ -380,6 +379,75 @@ static irqreturn_t hsw_irq_thread(int irq, void 
>> *context)
>>   /*
>>    * IPC Firmware ready.
>>    */
>> +static void hsw_get_windows(struct snd_sof_dev *sdev)
>> +{
>> +    struct sof_ipc_window_elem *elem;
>> +    u32 outbox_offset = 0;
>> +    u32 stream_offset = 0;
>> +    u32 inbox_offset = 0;
>> +    u32 outbox_size = 0;
>> +    u32 stream_size = 0;
>> +    u32 inbox_size = 0;
>> +    int i;
>> +
>> +    if (sdev->info_window == NULL)
>> +        return;
> no error?
>> +
>> +    for (i = 0; i < sdev->info_window->num_windows; i++) {
>> +
>> +        elem = &sdev->info_window->window[i];
>> +
>> +        switch (elem->type) {
>> +        case SOF_IPC_REGION_UPBOX:
>> +            inbox_offset = elem->offset + MBOX_OFFSET;
>> +            inbox_size = elem->size;
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[HSW_DSP_BAR] + inbox_offset,
>> +                elem->size, "inbox");
>> +            break;
>> +        case SOF_IPC_REGION_DOWNBOX:
>> +            outbox_offset = elem->offset + MBOX_OFFSET;
>> +            outbox_size = elem->size;
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[HSW_DSP_BAR] + outbox_offset,
>> +                elem->size, "outbox");
>> +            break;
>> +        case SOF_IPC_REGION_TRACE:
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[HSW_DSP_BAR] + elem->offset +
>> +                MBOX_OFFSET, elem->size, "etrace");
>> +            break;
>> +        case SOF_IPC_REGION_DEBUG:
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[HSW_DSP_BAR] + elem->offset +
>> +                MBOX_OFFSET, elem->size, "debug");
>> +            break;
>> +        case SOF_IPC_REGION_STREAM:
>> +            stream_offset = elem->offset + MBOX_OFFSET;
>> +            stream_size = elem->size;
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[HSW_DSP_BAR] + stream_offset,
>> +                elem->size, "stream");
>> +            break;
>> +        case SOF_IPC_REGION_REGS:
>> +            snd_sof_debugfs_create_item(sdev,
>> +                sdev->bar[HSW_DSP_BAR] + elem->offset +
>> +                MBOX_OFFSET, elem->size, "regs");
>> +            break;
>> +        default:
>> +            break;
> same here, this looks wrong.
>> +        }
>> +    }
>> +
>> +    snd_sof_dsp_mailbox_init(sdev, inbox_offset, inbox_size,
>> +        outbox_offset, outbox_size);
>> +
>> +    dev_dbg(sdev->dev, " mailbox upstream 0x%x - size 0x%x\n",
>> +        inbox_offset, inbox_size);
>> +    dev_dbg(sdev->dev, " mailbox downstream 0x%x - size 0x%x\n",
>> +        outbox_offset, outbox_size);
>> +}
>> +
>>   static int hsw_fw_ready(struct snd_sof_dev *sdev, u32 msg_id)
>>   {
>>       struct sof_ipc_fw_ready *fw_ready = &sdev->fw_ready;
>> @@ -395,18 +463,13 @@ static int hsw_fw_ready(struct snd_sof_dev 
>> *sdev, u32 msg_id)
>>       /* copy data from the DSP FW ready offset */
>>       hsw_block_read(sdev, offset, fw_ready, sizeof(*fw_ready));
>>   -    snd_sof_dsp_mailbox_init(sdev, fw_ready->dspbox_offset,
>> -                 fw_ready->dspbox_size,
>> -                 fw_ready->hostbox_offset,
>> -                 fw_ready->hostbox_size);
>> -
>> -    dev_dbg(sdev->dev, " mailbox DSP initiated 0x%x - size 0x%x\n",
>> -        fw_ready->dspbox_offset, fw_ready->dspbox_size);
>> -    dev_dbg(sdev->dev, " mailbox Host initiated 0x%x - size 0x%x\n",
>> -        fw_ready->hostbox_offset, fw_ready->hostbox_size);
>> -
>>       dev_info(sdev->dev, " Firmware info: version %d:%d-%s build %d 
>> on %s:%s\n",
>>            v->major, v->minor, v->tag, v->build, v->date, v->time);
>> +    /* now check for extended data */
>> +    snd_sof_fw_parse_ext_data(sdev,
>> +        MBOX_OFFSET + sizeof(struct sof_ipc_fw_ready));
>> +
>> +    hsw_get_windows(sdev);
>>         return 0;
>>   }
>



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