huxi
195 lines
5.3 KiB
C
195 lines
5.3 KiB
C
#ifdef SUPPORT_MS_EXTENSIONS
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#pragma bss_seg(".usb.data.bss")
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#pragma data_seg(".usb.data")
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#pragma code_seg(".usb.text")
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#pragma const_seg(".usb.text.const")
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#pragma str_literal_override(".usb.text.const")
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#endif
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#include "usb_config.h"
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#include "init.h"
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#include "app_config.h"
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#include "lbuf.h"
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#define LOG_TAG_CONST USB
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#define LOG_TAG "[USB]"
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#define LOG_ERROR_ENABLE
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#define LOG_DEBUG_ENABLE
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#define LOG_INFO_ENABLE
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/* #define LOG_DUMP_ENABLE */
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#define LOG_CLI_ENABLE
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#include "debug.h"
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#if TCFG_USB_HOST_ENABLE || TCFG_USB_SLAVE_ENABLE
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#ifndef USB_HW_20
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#if (FUSB_MODE == 0)
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#error "USB1.1 IP is not support high-speed mode"
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#endif
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#endif
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#define USB_DMA_BUF_ALIGN (8)
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//附加的字节数用于ep rx接收crc（占用4字节，dual buf则8字节）以及分配lbuf头信息
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//占用。lbuf头结构体20字节，假设需要8对齐，需要占用24字节，另外分配出来的头+buf
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//总长度也需要8对齐，in/out ep各调用1次所以要留2份。
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#define TO_ALIGN(size, align) (((size) & ((align) - 1)) ? ((align) - ((size) & ((align) - 1))) : 0)
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#define _APPEND(size, align, eps) ((size) + TO_ALIGN(size, align) + 24 * (eps) + 8)
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#define APPEND(size, eps) _APPEND(size, USB_DMA_BUF_ALIGN, eps)
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/*~~~~~~~~~~~~~~~~~~~~~~~~~~~ usb slave begin ~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
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#if TCFG_USB_SLAVE_MSD_ENABLE
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#define MSD_DMA_SIZE APPEND(MAXP_SIZE_BULKOUT * 2, 1)
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#else
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#define MSD_DMA_SIZE 0
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#endif
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#if TCFG_USB_SLAVE_HID_ENABLE
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#define HID_DMA_SIZE APPEND(64, 2)
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#else
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#define HID_DMA_SIZE 0
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#endif
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#if TCFG_USB_CUSTOM_HID_ENABLE
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#define CUSTOM_HID_DMA_SIZE APPEND(64 * 2, 2)
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#else
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#define CUSTOM_HID_DMA_SIZE 0
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#endif
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#if TCFG_USB_SLAVE_AUDIO_SPK_ENABLE
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#if USB_EP_PROTECT
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#define AUDIO_SPK_DMA_SIZE APPEND(1024, 1)
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#else
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#define AUDIO_SPK_DMA_SIZE APPEND(192, 1)
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#endif
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#else
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#define AUDIO_SPK_DMA_SIZE 0
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#endif
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#if TCFG_USB_SLAVE_AUDIO_MIC_ENABLE
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#define AUDIO_MIC_DMA_SIZE APPEND(192, 1)
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#else
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#define AUDIO_MIC_DMA_SIZE 0
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#endif
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#if TCFG_USB_SLAVE_CDC_ENABLE
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#if CDC_INTR_EP_ENABLE
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#define CDC_DMA_SIZE APPEND(64 * 4, 3) //bulk: 64x2+64 + intr: 64
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#else
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#define CDC_DMA_SIZE APPEND(64 * 3, 2) //bulk: 64x2+64
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#endif
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#else
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#define CDC_DMA_SIZE 0
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#endif
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#define USB_DEVICE_DMA_BUF_MAX_SIZE (HID_DMA_SIZE + AUDIO_SPK_DMA_SIZE + AUDIO_MIC_DMA_SIZE + MSD_DMA_SIZE + CDC_DMA_SIZE + CUSTOM_HID_DMA_SIZE)
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/*~~~~~~~~~~~~~~~~~~~~~~~~~~~ usb slave end ~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
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/*~~~~~~~~~~~~~~~~~~~~~~~~~~~ usb host begin ~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
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#if TCFG_UDISK_ENABLE
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#define H_MSD_DMA_SIZE APPEND(MAXP_SIZE_BULKOUT * 2 + MAXP_SIZE_BULKIN, 2)
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#else
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#define H_MSD_DMA_SIZE 0
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#endif
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#if TCFG_HID_HOST_ENABLE
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#define H_HID_DMA_SIZE APPEND(64, 1)
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#else
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#define H_HID_DMA_SIZE 0
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#endif
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#if TCFG_AOA_ENABLE
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#define H_AOA_DMA_SIZE APPEND(64 + 64, 2)
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#else
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#define H_AOA_DMA_SIZE 0
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#endif
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#if TCFG_ADB_ENABLE
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#define H_ADB_DMA_SIZE APPEND(64 + 64, 2)
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#else
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#define H_ADB_DMA_SIZE 0
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#endif
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#if TCFG_HOST_AUDIO_ENABLE
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#define H_AUDIO_DMA_SIZE APPEND(192 + 192, 2)
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#else
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#define H_AUDIO_DMA_SIZE 0
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#endif
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#define USB_HOST_DMA_BUF_MAX_SIZE (H_MSD_DMA_SIZE + H_HID_DMA_SIZE + H_AOA_DMA_SIZE + H_ADB_DMA_SIZE + H_AUDIO_DMA_SIZE)
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/*~~~~~~~~~~~~~~~~~~~~~~~~~~~ usb host end ~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
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#ifndef USB_DMA_BUF_MAX_SIZE
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#if (USB_DEVICE_DMA_BUF_MAX_SIZE >= USB_HOST_DMA_BUF_MAX_SIZE)
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#define USB_DMA_BUF_MAX_SIZE USB_DEVICE_DMA_BUF_MAX_SIZE
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#else
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#define USB_DMA_BUF_MAX_SIZE USB_HOST_DMA_BUF_MAX_SIZE
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#endif
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#endif//USB_DMA_BUF_MAX_SIZE
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static u8 ep0_dma_buffer[USB_MAX_HW_NUM][64 + 4] __attribute__((aligned(4)));
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#if USB_EPBUF_ALLOC_USE_LBUF
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//除了lbuf分配的每份buf之和，还有留一些给lbuf自身
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static u8 usb_dma_buf[USB_DMA_BUF_MAX_SIZE + 48] SEC(.usb.data.bss.exchange) __attribute__((aligned(USB_DMA_BUF_ALIGN)));
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struct lbuff_head *usb_dma_lbuf = NULL;
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int usb_memory_init(void)
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{
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usb_dma_lbuf = lbuf_init(usb_dma_buf, sizeof(usb_dma_buf), USB_DMA_BUF_ALIGN, 0);
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log_info("%s() total dma size %d @%x", __func__, sizeof(usb_dma_buf), usb_dma_buf);
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return 0;
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}
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//early_initcall(usb_memory_init);
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void *usb_epbuf_alloc(const usb_dev usb_id, u32 ep, u32 size)
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{
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if ((ep & 0xf) == 0) {
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return ep0_dma_buffer[usb_id];
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}
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if (ep & USB_DIR_IN) {
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size += 8; //fusb的rx，需要额外4字节存放接收的crc，使用ping-pong buffer就需要两份，即4 x 2
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}
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return lbuf_alloc(usb_dma_lbuf, size);
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}
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void usb_epbuf_free(const usb_dev usb_id, void *buf)
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{
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if (buf == ep0_dma_buffer[usb_id]) {
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return;
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}
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lbuf_free(buf);
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}
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#else /* USB_EPBUF_ALLOC_USE_LBUF */
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void *usb_epbuf_alloc(const usb_dev usb_id, u32 ep, u32 size)
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{
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if ((ep & 0xf) == 0) {
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return ep0_dma_buffer[usb_id];
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}
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if (ep & USB_DIR_IN) {
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size += 8; //fusb的rx，需要额外4字节存放接收的crc，使用ping-pong buffer就需要两份，即4 x 2
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}
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return dma_malloc(size);
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}
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void usb_epbuf_free(const usb_dev usb_id, void *buf)
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{
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if (buf == ep0_dma_buffer[usb_id]) {
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return;
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}
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dma_free(buf);
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}
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#endif
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#endif
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