March 2018 - Sound-open-firmware - mailman.alsa-project.org

[Sound-open-firmware] [PATCH 1/2] topology: add kcontrol for tone
by Ranjani Sridharan 04 Mar '18

04 Mar '18

This patch adds the changes required to support kcontrols for tone components in topology Signed-off-by: Ranjani Sridharan <ranjani.sridharan(a)linux.intel.com> --- Tested with: Minnowboard Turbot rt5651 SOF master: 28cb21b578759cdaa884d440d7d79b2c44e716a4 SOF-Tool master: a02abb799405d0e4ad0d6bb46eacf6fbe958c06e https://github.com/plbossart/sound/tree/topic/sof-v4.14: 9513a73b981bc1917705671ec54402a7e21672eb --- --- topology/m4/local.m4 | 5 ++++- topology/sof/pipe-tone.m4 | 31 ++++++++++++++++++++++++++++++- 2 files changed, 34 insertions(+), 2 deletions(-) diff --git a/topology/m4/local.m4 b/topology/m4/local.m4 index 29b8b29..a340ec3 100644 --- a/topology/m4/local.m4 +++ b/topology/m4/local.m4 @@ -227,7 +227,7 @@ define(`W_MIXER', dnl Tone name) define(`N_TONE', `TONE'PIPELINE_ID`.'$1) -dnl W_TONE(name, format, periods_sink, periods_source, preload) +dnl W_TONE(name, format, periods_sink, periods_source, preload, kcontrols) define(`W_TONE', `SectionVendorTuples."'N_TONE($1)`_tuples_w" {' ` tokens "sof_comp_tokens"' @@ -257,6 +257,9 @@ define(`W_TONE', ` "'N_TONE($1)`_data_w"' ` "'N_TONE($1)`_data_str"' ` ]' +` mixer [' + $6 +` ]' `}') dnl DAI name) diff --git a/topology/sof/pipe-tone.m4 b/topology/sof/pipe-tone.m4 index e04a1b9..8f92680 100644 --- a/topology/sof/pipe-tone.m4 +++ b/topology/sof/pipe-tone.m4 @@ -32,6 +32,7 @@ SectionControlMixer.STR(Tone Volume PIPELINE_ID) { # control uses bespoke driver get/put/info ID 0 ops."ctl" { info "volsw" + # 256 binds the mixer control to volume get/put handlers get "256" put "256" } @@ -42,12 +43,40 @@ SectionControlMixer.STR(Tone Volume PIPELINE_ID) { tlv "vtlv_m90s3" } +SectionControlMixer.STR(Tone Switch PIPELINE_ID) { + + # control belongs to this index group + index STR(PIPELINE_ID) + + # Channel register and shift for Front Left/Right + channel."FL" { + reg "2" + shift "0" + } + channel."FR" { + reg "2" + shift "1" + } + + # control uses bespoke driver get/put/info ID 0 + ops."ctl" { + info "volsw" + # 256 binds the mixer control to volume get/put handlers + get "256" + put "256" + } + + # max 1 indicates switch type mixer control + max "1" + invert "false" +} + # # Components and Buffers # # "Tone 0" has 2 sink period and 0 source periods -W_TONE(0, PIPELINE_FORMAT, 2, 0, 0) +W_TONE(0, PIPELINE_FORMAT, 2, 0, 0, KCONTROLS("Tone Switch PIPELINE_ID")) # "Tone Volume" has 2 sink period and 2 source periods W_PGA(0, PIPELINE_FORMAT, 2, 2, 0, KCONTROLS("Tone Volume PIPELINE_ID")) -- 2.14.1

1 1

[Sound-open-firmware] Please make sure to run checkpatch --codespell --strict before submitting patches
by Li, Jocelyn 03 Mar '18

03 Mar '18

Please make sure to run checkpatch --codespell -strict and fix the warnings before submitting patches. Thanks, Jocelyn

1 0

[Sound-open-firmware] [PATCH] Remove "void*" pointer of parse_page_descriptors().
by yan.wang＠linux.intel.com 02 Mar '18

02 Mar '18

From: Yan Wang <yan.wang(a)linux.intel.com> Compiler cannot check the real type of "void*" pointer. It is easy to cause pointer conversion error. So use the pointer of element list of struct dma_sg_elem instead of void* pointer. Signed-off-by: Yan Wang <yan.wang(a)linux.intel.com> --- src/ipc/intel-ipc.c | 106 ++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 77 insertions(+), 29 deletions(-) diff --git a/src/ipc/intel-ipc.c b/src/ipc/intel-ipc.c index 04e8c1b..373cc26 100644 --- a/src/ipc/intel-ipc.c +++ b/src/ipc/intel-ipc.c @@ -158,24 +158,13 @@ out: * page table entry and adding each elem to a list in struct dma_sg_config. */ static int parse_page_descriptors(struct intel_ipc_data *iipc, - struct sof_ipc_host_buffer *ring, void *data, uint32_t is_trace) + struct sof_ipc_host_buffer *ring, struct list_item *elem_list, + uint32_t is_src) { - struct comp_dev* cd = NULL; - struct sof_ipc_comp_host *host = NULL; - struct dma_trace_data *d = NULL; - struct dma_sg_elem elem; int i; - int err; uint32_t idx; uint32_t phy_addr; - - elem.size = HOST_PAGE_SIZE; - if (is_trace) - d = (struct dma_trace_data *)data; - else { - cd = (struct comp_dev *)data; - host = (struct sof_ipc_comp_host *)&cd->comp; - } + struct dma_sg_elem *e; /* the ring size may be not multiple of the page size, the last * page may be not full used. The used size should be in range @@ -189,7 +178,6 @@ static int parse_page_descriptors(struct intel_ipc_data *iipc, } for (i = 0; i < ring->pages; i++) { - idx = (((i << 2) + i)) >> 1; phy_addr = iipc->page_table[idx] | (iipc->page_table[idx + 1] << 8) | (iipc->page_table[idx + 2] << 16); @@ -200,23 +188,23 @@ static int parse_page_descriptors(struct intel_ipc_data *iipc, phy_addr <<= 12; phy_addr &= 0xfffff000; - if (!is_trace && host->direction == SOF_IPC_STREAM_PLAYBACK) - elem.src = phy_addr; + /* allocate new host DMA elem and add it to our list */ + e = rzalloc(RZONE_RUNTIME, RFLAGS_NONE, sizeof(*e)); + if (!e) + return -ENOMEM; + + if (is_src) + e->src = phy_addr; else - elem.dest = phy_addr; + e->dest = phy_addr; /* the last page may be not full used */ if (i == (ring->pages - 1)) - elem.size = ring->size - HOST_PAGE_SIZE * i; - - if (is_trace) - err = dma_trace_host_buffer(d, &elem, ring->size); + e->size = ring->size - HOST_PAGE_SIZE * i; else - err = comp_host_buffer(cd, &elem, ring->size); - if (err < 0) { - trace_ipc_error("ePb"); - return err; - } + e->size = HOST_PAGE_SIZE; + + list_item_append(&e->list, elem_list); } return 0; @@ -232,6 +220,12 @@ static int ipc_stream_pcm_params(uint32_t stream) { #ifdef CONFIG_HOST_PTABLE struct intel_ipc_data *iipc = ipc_get_drvdata(_ipc); + struct sof_ipc_comp_host *host = NULL; + uint32_t is_src; + struct list_item elem_list; + struct dma_sg_elem *elem; + struct list_item *plist; + uint32_t ring_size; #endif struct sof_ipc_pcm_params *pcm_params = _ipc->comp_data; struct sof_ipc_pcm_params_reply reply; @@ -269,12 +263,30 @@ static int ipc_stream_pcm_params(uint32_t stream) } /* Parse host tables */ + host = (struct sof_ipc_comp_host *)&cd->comp; + is_src = (host->direction == SOF_IPC_STREAM_PLAYBACK); + ring_size = pcm_params->params.buffer.size; + list_init(&elem_list); + err = parse_page_descriptors(iipc, &pcm_params->params.buffer, - pcm_dev->cd, 0); + &elem_list, is_src); if (err < 0) { trace_ipc_error("eAP"); goto error; } + + list_for_item(plist, &elem_list) { + elem = container_of(plist, struct dma_sg_elem, list); + + err = comp_host_buffer(cd, elem, ring_size); + if (err < 0) { + trace_ipc_error("ePb"); + goto error; + } + + list_item_del(&elem->list); + rfree(elem); + } #endif /* configure pipeline audio params */ @@ -302,6 +314,14 @@ static int ipc_stream_pcm_params(uint32_t stream) return 1; error: +#ifdef CONFIG_HOST_PTABLE + list_for_item(plist, &elem_list) { + elem = container_of(plist, struct dma_sg_elem, list); + list_item_del(&elem->list); + rfree(elem); + } +#endif + err = pipeline_reset(pcm_dev->cd->pipeline, pcm_dev->cd); if (err < 0) trace_ipc_error("eA!"); @@ -602,6 +622,10 @@ static int ipc_dma_trace_config(uint32_t header) #ifdef CONFIG_HOST_PTABLE struct intel_ipc_data *iipc = ipc_get_drvdata(_ipc); struct sof_ipc_dma_trace_params *params = _ipc->comp_data; + struct list_item elem_list; + struct dma_sg_elem *elem; + struct list_item *plist; + uint32_t ring_size; #endif struct sof_ipc_reply reply; int err; @@ -618,12 +642,28 @@ static int ipc_dma_trace_config(uint32_t header) trace_ipc("DAg"); /* Parse host tables */ + ring_size = params->buffer.size; + list_init(&elem_list); + err = parse_page_descriptors(iipc, &params->buffer, - _ipc->dmat, 1); + &elem_list, 0); if (err < 0) { trace_ipc_error("ePP"); goto error; } + + list_for_item(plist, &elem_list) { + elem = container_of(plist, struct dma_sg_elem, list); + + err = dma_trace_host_buffer(_ipc->dmat, elem, ring_size); + if (err < 0) { + trace_ipc_error("ePb"); + goto error; + } + + list_item_del(&elem->list); + rfree(elem); + } #endif trace_ipc("DAp"); @@ -639,6 +679,14 @@ static int ipc_dma_trace_config(uint32_t header) return 0; error: +#ifdef CONFIG_HOST_PTABLE + list_for_item(plist, &elem_list) { + elem = container_of(plist, struct dma_sg_elem, list); + list_item_del(&elem->list); + rfree(elem); + } +#endif + if (err < 0) trace_ipc_error("eA!"); return -EINVAL; -- 2.14.3

2 2

[Sound-open-firmware] [PATCH 1/2] apl: Add text size in module info
by Xiuli Pan 02 Mar '18

02 Mar '18

From: Pan Xiuli <xiuli.pan(a)linux.intel.com> Add total text size we used in memory mapping into module info to help rimage build the right FW binary. Signed-off-by: Pan Xiuli <xiuli.pan(a)linux.intel.com> --- 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 --- src/include/uapi/manifest.h | 1 + src/platform/apollolake/base_module.c | 1 + 2 files changed, 2 insertions(+) diff --git a/src/include/uapi/manifest.h b/src/include/uapi/manifest.h index ace9883..e83725b 100644 --- a/src/include/uapi/manifest.h +++ b/src/include/uapi/manifest.h @@ -102,6 +102,7 @@ struct sof_man_module { struct sof_man_module_type type; uint8_t hash[SOF_MAN_MOD_SHA256_LEN]; uint32_t entry_point; + uint32_t text_size; uint16_t cfg_offset; uint16_t cfg_count; uint32_t affinity_mask; diff --git a/src/platform/apollolake/base_module.c b/src/platform/apollolake/base_module.c index 2f4a6ee..56633c5 100644 --- a/src/platform/apollolake/base_module.c +++ b/src/platform/apollolake/base_module.c @@ -46,6 +46,7 @@ struct sof_man_module apl_manifest = { .domain_ll = 1, }, .affinity_mask = 3, + .text_size = REEF_TEXT_SIZE + L2_VECTOR_SIZE, }; /* not used, but stops linker complaining */ -- 2.7.4

3 4

[Sound-open-firmware] [PATCH V3 1/3] platform: add sof_ipc_window for byt, hsw and bdw
by Xiuli Pan 02 Mar '18

02 Mar '18

From: Pan Xiuli <xiuli.pan(a)linux.intel.com> Add sof_ipc_window for all platforms, and add IPC send after boot compelted. Also remove the deprecated ready window. Signed-off-by: Pan Xiuli <xiuli.pan(a)linux.intel.com> --- 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 --- src/platform/baytrail/platform.c | 45 ++++++++++++++++++++++++++++++++++++---- src/platform/haswell/platform.c | 45 ++++++++++++++++++++++++++++++++++++---- 2 files changed, 82 insertions(+), 8 deletions(-) diff --git a/src/platform/baytrail/platform.c b/src/platform/baytrail/platform.c index 4709fcd..2c4bfee 100644 --- a/src/platform/baytrail/platform.c +++ b/src/platform/baytrail/platform.c @@ -59,10 +59,6 @@ static const struct sof_ipc_fw_ready ready = { .size = sizeof(struct sof_ipc_fw_ready), }, /* dspbox is for DSP initiated IPC, hostbox is for host initiated IPC */ - .dspbox_offset = MAILBOX_HOST_OFFSET + MAILBOX_DSPBOX_OFFSET, - .hostbox_offset = MAILBOX_HOST_OFFSET + MAILBOX_HOSTBOX_OFFSET, - .dspbox_size = MAILBOX_DSPBOX_SIZE, - .hostbox_size = MAILBOX_HOSTBOX_SIZE, .version = { .build = REEF_BUILD, .minor = REEF_MINOR, @@ -74,6 +70,45 @@ static const struct sof_ipc_fw_ready ready = { /* TODO: add capabilities */ }; +#define NUM_BYT_WINDOWS 4 +static const struct sof_ipc_window sram_window = { + .ext_hdr = { + .hdr.cmd = SOF_IPC_FW_READY, + .hdr.size = sizeof(struct sof_ipc_window) + + sizeof(struct sof_ipc_window_elem) * NUM_BYT_WINDOWS, + .type = SOF_IPC_EXT_WINDOW, + }, + .num_windows = NUM_BYT_WINDOWS, + .window[0] = { + .type = SOF_IPC_REGION_UPBOX, + .id = 0, /* map to host window 0 */ + .flags = 0, // TODO: set later + .size = MAILBOX_DSPBOX_SIZE, + .offset = MAILBOX_DSPBOX_OFFSET, + }, + .window[1] = { + .type = SOF_IPC_REGION_DOWNBOX, + .id = 0, /* map to host window 0 */ + .flags = 0, // TODO: set later + .size = MAILBOX_HOSTBOX_SIZE, + .offset = MAILBOX_HOSTBOX_OFFSET, + }, + .window[2] = { + .type = SOF_IPC_REGION_DEBUG, + .id = 0, /* map to host window 0 */ + .flags = 0, // TODO: set later + .size = MAILBOX_DEBUG_SIZE, + .offset = MAILBOX_DEBUG_OFFSET, + }, + .window[3] = { + .type = SOF_IPC_REGION_TRACE, + .id = 0, /* map to host window 0 */ + .flags = 0, // TODO: set later + .size = MAILBOX_TRACE_SIZE, + .offset = MAILBOX_TRACE_OFFSET, + }, +}; + static struct work_queue_timesource platform_generic_queue = { .timer = { .id = TIMER3, /* external timer */ @@ -93,6 +128,8 @@ int platform_boot_complete(uint32_t boot_message) uint64_t outbox = MAILBOX_HOST_OFFSET >> 3; mailbox_dspbox_write(0, &ready, sizeof(ready)); + mailbox_dspbox_write(sizeof(ready), &sram_window, + sram_window.ext_hdr.hdr.size); /* now interrupt host to tell it we are done booting */ shim_write(SHIM_IPCDL, SOF_IPC_FW_READY | outbox); diff --git a/src/platform/haswell/platform.c b/src/platform/haswell/platform.c index 5f56a05..97b38af 100644 --- a/src/platform/haswell/platform.c +++ b/src/platform/haswell/platform.c @@ -58,10 +58,6 @@ static const struct sof_ipc_fw_ready ready = { .size = sizeof(struct sof_ipc_fw_ready), }, /* dspbox is for DSP initiated IPC, hostbox is for host initiated IPC */ - .dspbox_offset = MAILBOX_HOST_OFFSET + MAILBOX_DSPBOX_OFFSET, - .hostbox_offset = MAILBOX_HOST_OFFSET + MAILBOX_HOSTBOX_OFFSET, - .dspbox_size = MAILBOX_DSPBOX_SIZE, - .hostbox_size = MAILBOX_HOSTBOX_SIZE, .version = { .build = REEF_BUILD, .minor = REEF_MINOR, @@ -73,6 +69,45 @@ static const struct sof_ipc_fw_ready ready = { /* TODO: add capabilities */ }; +#define NUM_HSW_WINDOWS 4 +static const struct sof_ipc_window sram_window = { + .ext_hdr = { + .hdr.cmd = SOF_IPC_FW_READY, + .hdr.size = sizeof(struct sof_ipc_window) + + sizeof(struct sof_ipc_window_elem) * NUM_HSW_WINDOWS, + .type = SOF_IPC_EXT_WINDOW, + }, + .num_windows = NUM_HSW_WINDOWS, + .window[0] = { + .type = SOF_IPC_REGION_UPBOX, + .id = 0, /* map to host window 0 */ + .flags = 0, // TODO: set later + .size = MAILBOX_DSPBOX_SIZE, + .offset = MAILBOX_DSPBOX_OFFSET, + }, + .window[1] = { + .type = SOF_IPC_REGION_DOWNBOX, + .id = 0, /* map to host window 0 */ + .flags = 0, // TODO: set later + .size = MAILBOX_HOSTBOX_SIZE, + .offset = MAILBOX_HOSTBOX_OFFSET, + }, + .window[2] = { + .type = SOF_IPC_REGION_DEBUG, + .id = 0, /* map to host window 0 */ + .flags = 0, // TODO: set later + .size = MAILBOX_DEBUG_SIZE, + .offset = MAILBOX_DEBUG_OFFSET, + }, + .window[3] = { + .type = SOF_IPC_REGION_TRACE, + .id = 0, /* map to host window 0 */ + .flags = 0, // TODO: set later + .size = MAILBOX_TRACE_SIZE, + .offset = MAILBOX_TRACE_OFFSET, + }, +}; + static struct work_queue_timesource platform_generic_queue = { .timer = { .id = TIMER2, /* external timer using SSP */ @@ -92,6 +127,8 @@ int platform_boot_complete(uint32_t boot_message) uint32_t outbox = MAILBOX_HOST_OFFSET >> 3; mailbox_dspbox_write(0, &ready, sizeof(ready)); + mailbox_dspbox_write(sizeof(ready), &sram_window, + sram_window.ext_hdr.hdr.size); /* now interrupt host to tell it we are done booting */ shim_write(SHIM_IPCD, outbox | SHIM_IPCD_BUSY); -- 2.7.4

1 2

[Sound-open-firmware] [PATCH_V3] cnl: dma: fix playback failed at second time
by Rander Wang 02 Mar '18

02 Mar '18

Stop dma at the end of playback, or next time dma is not available for playback --- V3: fix typo in comments Signed-off-by: Rander Wang <rander.wang(a)intel.com> --- src/drivers/dw-dma.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/drivers/dw-dma.c b/src/drivers/dw-dma.c index be19e12..15d608c 100644 --- a/src/drivers/dw-dma.c +++ b/src/drivers/dw-dma.c @@ -1103,6 +1103,12 @@ static void dw_dma_irq_handler(void *data) p->chan[i].cb(p->chan[i].cb_data, DMA_IRQ_TYPE_BLOCK, &next); } + + if (next.size == DMA_RELOAD_END) { + trace_dma("LSo"); + /* disable channel, finished */ + dw_write(dma, DW_DMA_CHAN_EN, CHAN_DISABLE(i)); + } #endif /* end of a transfer */ if ((status_tfr & mask) && -- 2.14.1

2 1

[Sound-open-firmware] [PATCH_V2] cnl: dma: fix playback failed at second time
by Rander Wang 02 Mar '18

02 Mar '18

Stop dma at the end of playback, or next time dma is not avialable for playback --- V2: fix typo in comments Signed-off-by: Rander Wang <rander.wang(a)intel.com> --- src/drivers/dw-dma.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/drivers/dw-dma.c b/src/drivers/dw-dma.c index be19e12..15d608c 100644 --- a/src/drivers/dw-dma.c +++ b/src/drivers/dw-dma.c @@ -1103,6 +1103,12 @@ static void dw_dma_irq_handler(void *data) p->chan[i].cb(p->chan[i].cb_data, DMA_IRQ_TYPE_BLOCK, &next); } + + if (next.size == DMA_RELOAD_END) { + trace_dma("LSo"); + /* disable channel, finished */ + dw_write(dma, DW_DMA_CHAN_EN, CHAN_DISABLE(i)); + } #endif /* end of a transfer */ if ((status_tfr & mask) && -- 2.14.1

4 3

[Sound-open-firmware] [PATCH] cnl: dma: fix playback failed at second time
by Rander Wang 02 Mar '18

02 Mar '18

Stop dma when stream is end, or next time dma is not avilable to playback Signed-off-by: Rander Wang <rander.wang(a)intel.com> --- src/drivers/dw-dma.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/drivers/dw-dma.c b/src/drivers/dw-dma.c index be19e12..15d608c 100644 --- a/src/drivers/dw-dma.c +++ b/src/drivers/dw-dma.c @@ -1103,6 +1103,12 @@ static void dw_dma_irq_handler(void *data) p->chan[i].cb(p->chan[i].cb_data, DMA_IRQ_TYPE_BLOCK, &next); } + + if (next.size == DMA_RELOAD_END) { + trace_dma("LSo"); + /* disable channel, finished */ + dw_write(dma, DW_DMA_CHAN_EN, CHAN_DISABLE(i)); + } #endif /* end of a transfer */ if ((status_tfr & mask) && -- 2.14.1

2 1

[Sound-open-firmware] [PATCH] rmbox: show error/xrun logs in red for easy identification
by Ranjani Sridharan 01 Mar '18

01 Mar '18

This patch adds changes to rmbox to make it easier to spot errors/xruns in a long trace Signed-off-by: Ranjani Sridharan <ranjani.sridharan(a)linux.intel.com> --- rmbox/rmbox.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/rmbox/rmbox.c b/rmbox/rmbox.c index b872694..9403cc7 100644 --- a/rmbox/rmbox.c +++ b/rmbox/rmbox.c @@ -21,6 +21,9 @@ #include <string.h> #include <ctype.h> +#define KNRM "\x1B[0m" +#define KRED "\x1B[31m" + // TODO: include all this stuff #define TRACE_CLASS_IRQ (1 << 24) @@ -200,8 +203,19 @@ static void show_trace(uint64_t val, uint64_t addr, uint64_t *timestamp, double return; } - printf("%s %c%c%c\n", trace, + switch ((char)(val >> 16)) { + case 'e': + case 'E': + case 'x': + case 'X': + printf("%s%s %c%c%c%s\n", KRED, trace, + (char)(val >> 16), (char)(val >> 8), (char)val, KNRM); + break; + default: + printf("%s %c%c%c\n", trace, (char)(val >> 16), (char)(val >> 8), (char)val); + break; + } } static int trace_read(const char *in_file, const char *out_file, double clk, -- 2.14.1

2 1

[Sound-open-firmware] How to create topologies
by Mustafa, Muhammad 01 Mar '18

01 Mar '18

Hi, Is there any documentation on how to create topology on SOF? Regards, Mustafa Intel Deutschland GmbH Registered Address: Am Campeon 10-12, 85579 Neubiberg, Germany Tel: +49 89 99 8853-0, www.intel.de Managing Directors: Christin Eisenschmid, Christian Lamprechter Chairperson of the Supervisory Board: Nicole Lau Registered Office: Munich Commercial Register: Amtsgericht Muenchen HRB 186928

2 1