From d7861c9f0d8d31acfb8816bd3c07454467b6b197 Mon Sep 17 00:00:00 2001 From: Oleksij Rempel Date: Fri, 12 Jul 2013 07:26:21 -0700 Subject: [PATCH] Created Chip Documentation (draf) (asciidoc) --- Chip-Documentation-(draf).asciidoc | 104 +++++++++++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 Chip-Documentation-(draf).asciidoc diff --git a/Chip-Documentation-(draf).asciidoc b/Chip-Documentation-(draf).asciidoc new file mode 100644 index 0000000..677a628 --- /dev/null +++ b/Chip-Documentation-(draf).asciidoc @@ -0,0 +1,104 @@ +usb packet format +htc - host target communications +wmi - Wireless Module Interface Service Implementation + +TODO: +Do this struct actually work? It was wronlgy configured on linux driver +fw:HTC_CONNECT_SERVICE_MSG = kernel:htc_conn_svc_msg + + +0040 01 00 00 4c 01 88 ff ff 00 15 00 20 00 00 98 d8 ...L.... ... .... +0050 00 00 70 58 00 00 98 80 00 01 00 00 00 00 98 80 ..pX.... ........ +0060 00 01 00 00 00 00 98 80 00 01 00 00 00 00 98 80 ........ ........ +0070 00 01 00 00 00 00 98 80 00 01 00 00 00 00 98 80 ........ ........ +0080 00 01 00 00 00 00 98 80 00 01 00 00 00 00 98 80 ........ ........ +0090 00 01 00 00 .... + +fw: HTC_FRAME_HDR = kernel: htc_frame_hdr +wmi_cmd_hdr (currently 4 byte) +commad data... depends on wmi command type + + +Incomming packet path: +- vUsb_Reg_Out_patch +- HTCMsgRecvHandler +- WMIRecvMessageHandler + + +registers + +USB base addr is ? +Based on: +target_firmware/magpie_fw_dev/build/magpie_1_1/sboot/hif/usb/src/usb_api.c +target_firmware/magpie_fw_dev/build/magpie_1_1/inc/usb_defs.h + +#define ZM_MAIN_CTRL_OFFSET 0x00 +#define ZM_DEVICE_ADDRESS_OFFSET 0x01 +#define ZM_TEST_OFFSET 0x02 +#define ZM_PHY_TEST_SELECT_OFFSET 0x08 +#define ZM_VDR_SPECIFIC_MODE_OFFSET 0x0A +#define ZM_CX_CONFIG_STATUS_OFFSET 0x0B +#define ZM_EP0_DATA1_OFFSET 0x0C +#define ZM_EP0_DATA2_OFFSET 0x0D +#define ZM_EP0_DATA_OFFSET 0x0C + +#define ZM_INTR_MASK_BYTE_0_OFFSET 0x11 +#define ZM_INTR_MASK_BYTE_1_OFFSET 0x12 +#define ZM_INTR_MASK_BYTE_2_OFFSET 0x13 +#define ZM_INTR_MASK_BYTE_3_OFFSET 0x14 +#define ZM_INTR_MASK_BYTE_4_OFFSET 0x15 +#define ZM_INTR_MASK_BYTE_5_OFFSET 0x16 +#define ZM_INTR_MASK_BYTE_6_OFFSET 0x17 +#define ZM_INTR_MASK_BYTE_7_OFFSET 0x18 + +#define ZM_INTR_GROUP_OFFSET 0x20 +#define ZM_INTR_SOURCE_0_OFFSET 0x21 +#define ZM_INTR_SOURCE_1_OFFSET 0x22 +#define ZM_INTR_SOURCE_2_OFFSET 0x23 +#define ZM_INTR_SOURCE_3_OFFSET 0x24 +#define ZM_INTR_SOURCE_4_OFFSET 0x25 +#define ZM_INTR_SOURCE_5_OFFSET 0x26 +#define ZM_INTR_SOURCE_6_OFFSET 0x27 +#define ZM_INTR_SOURCE_7_OFFSET 0x28 + +#define ZM_EP_IN_MAX_SIZE_HIGH_OFFSET 0x3F +#define ZM_EP_IN_MAX_SIZE_LOW_OFFSET 0x3E + +#define ZM_EP_OUT_MAX_SIZE_HIGH_OFFSET 0x5F +#define ZM_EP_OUT_MAX_SIZE_LOW_OFFSET 0x5E + +#define ZM_EP3_BYTE_COUNT_HIGH_OFFSET 0xAE + BIT3 - 1 xfer done? + comments: after sending data from target to host, set BIT3 +#define ZM_EP3_BYTE_COUNT_LOW_OFFSET 0xBE +#define ZM_EP4_BYTE_COUNT_HIGH_OFFSET 0xAF + BIT4 - 1 - reset fifo; 0 - disable reset? + comments: probably compatible with +#define ZM_EP4_BYTE_COUNT_LOW_OFFSET 0xBF + size of data in fifo buffer + +#define ZM_EP3_DATA_OFFSET 0xF8 +#define ZM_EP4_DATA_OFFSET 0xFC + +#define ZM_SOC_USB_MODE_CTRL_OFFSET 0x108 + BIT10 - 1 - enable MP (EP6) downstream stream mode + BIT9 - 1 - enable MP (EP6) downstream DMA mode + BIT8 - 1 - enable HP (EP5) downstream DMA mode + BIT7 - 1 - enable HP (EP5) downstream stream mode + BIT6 - 1 - enable LP downstream stream mode + BIT5 - define the host dma buffer size - 4096(00) 8192 (01) 16384(10) 32768(11) bytes + BIT4 - ^ + BIT3 - 0 - enable upstream stream mode: 1 - enable upstream packed mode; + BIT2 - 0 - Set into 64 byte mode (full speed) 1 - Set into 512 byte mode (usb highspeed) + BIT1 - 0 - disable upstream dma mode; 1 - enable upstream dma mode + BIT0 - 0 - disable LP down stream dma mode; 1 - eanble LP down stream dma mode +comments: +ryan: 04/01: bit0 could disable lpdn dma, which is good at debugging while async_fifo have problem, we could disable this and check the fifo_rcv_size to see if we have correct at fifo or not +LP - lo priotiry; MP - middle priority; HP - High priority; + + +#define ZM_SOC_USB_MAX_AGGREGATE_OFFSET 0x110 + set stream mode packet buffer critirea + 0x0 = disable stream mode or 1 packet. So 0x9 is 10 packets? +#define ZM_SOC_USB_TIME_CTRL_OFFSET 0x114 + set stream mode timeout critirea. the unit is 32 USB (30Mhz) clock cycles. \ No newline at end of file -- 2.25.1