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-rw-r--r--src/drivers/usb.c327
1 files changed, 0 insertions, 327 deletions
diff --git a/src/drivers/usb.c b/src/drivers/usb.c
deleted file mode 100644
index ea264cb..0000000
--- a/src/drivers/usb.c
+++ /dev/null
@@ -1,327 +0,0 @@
-#include "../drivers/uart.h"
-#include "../drivers/usb.h"
-#include "../sys/core.h"
-
-#define DRIVERS_USB_C
-unsigned char usb_buffer0[256] = {0};
-unsigned char usb_buffer1[256] = {0};
-unsigned char usb_buffer3[256] = {0};
-
-void my_memcpy(void *dest, void *src, size_t n) {
- char *src_char = (char *)src;
- char *dest_char = (char *)dest;
- for (size_t i=0; i<n; i++) {
- dest_char[i] = src_char[i];
- }
-}
-
-static void *my_memset(void *s, int c, size_t n)
-{
- const uint8_t uc = c % 0xff;
- uint8_t *p = (uint8_t *)s;
-
- while (n-- > 0)
- *p++ = uc;
-
- return (s);
-}
-
-static void txrx_control_msg(uint8_t txlen)
-{
- // send setup & control packet
- // set dma buffer
- *USB_HOST_HCDMA0 = (uint64_t) usb_buffer0;
- *USB_HOST_HCDMA0 |= 0xC0000000;
- // HCTSIZ0.Pid = 2'd3 (SETUP) , HCTSIZ0.PktCnt = 10'h1 , HCTSIZ0.XferSize = 18'd8
- *USB_HOST_HCTSIZ0 = 3 << 29 | 1 << 19 | txlen;
- // HCCAR1.ChEna = 1'b1
- *USB_HOST_HCCHAR0 |= 1<<31;
-
- // recieve control packet
- // set dma buffer
- *USB_HOST_HCDMA1 = (uint64_t) usb_buffer1;
- *USB_HOST_HCDMA1 |= 0xC0000000;
- // HCTSIZ1.Pid = 2'd2 (DATA1) , HCTSIZ1.PktCnt = 10'h1 , HCTSIZ1.XferSize = 18'd64
- *USB_HOST_HCTSIZ1 = 2 << 29 | 1 << 19 | 64;
- // HCCAR1.ChEna = 1'b1
- *USB_HOST_HCCHAR1 |= 1<<31;
-}
-
-void usbhost_id(void)
-{
- uart_string("USB_CORE_GUID ");
- uart_hex(*USB_CORE_GUID);
- uart_string("\nUSB_CORE_GSNPSID ");
- uart_hex(*USB_CORE_GSNPSID);
- uart_char('\n');
-}
-
-void usbhost_start(void)
-{
- // USB Host power on
- // HPRT.PrtPwr = 1'b1 -> HPRT.PrtRst = 1'b1 -> wait 60msec -> HPRT.PrtRst = 1'b0
- *USB_HOST_HPRT |= 1 << 12;
- *USB_HOST_HPRT |= 1 << 8;
- delay(0x100000);
- *USB_HOST_HPRT &= ~(1 << 8);
-
- // enable irq
- // GAHBCFG.GlblIntrMsk = 1'b1
- // GINTMSK.ConIDStsChngMsk = 1'b1, GINTMSK.PrtIntMsk = 1'b1, GINTMSK.SofMsk = 1'b1
- *USB_CORE_GAHBCFG |= 1;
- *USB_CORE_GINTMSK = 1 << 28 | 1 << 24 | 0 << 3;
-
- // port enable and retry detect
- // HPRT.PrtPwr = 1'b1, HPRT.PrtEnChng = 1'b1, HPRT.PrtConnDet = 1'b1
- *USB_HOST_HPRT = 1 << 12 | 1 << 3 | 1 << 1;
-
- // enable channel irq
- // HAINTMASK.HAINTMsk = 16'h3
- // HCINTMSK0.XferComplMsk = 1'b1
- *USB_HOST_HAINTMSK |= 0x3;
- *USB_HOST_HCINTMSK0 |= 1;
- *USB_HOST_HCINTMSK1 |= 1;
-
- // HCCAR1.EPDir = 1'b0 (OUT) / 1'b01(IN), HCCAR1.MPS = 11'h40
- *USB_HOST_HCCHAR0 |= 0x40; // OUT
- *USB_HOST_HCCHAR1 |= 1 << 15 | 0x40; // IN
-}
-
-void usbhost_poll_intr(void)
-{
- uint8_t dev = 2;
-
- my_memset(usb_buffer3, 0, 256);
-
- // HCCAR3.EPType = 2'b11 (Interupt), HCCAR3.EPDir = 1'b01(IN), HCCAR3.MPS = 11'h40
- *USB_HOST_HCCHAR3 |= 3 << 18 | 1 << 15 | 1 << 11 | 0x40; // IN
- *USB_HOST_HCCHAR3 |= dev << 22 ;
-
- // recieve interrupt transfer
- // set dma buffer
- *USB_HOST_HCDMA3 = (uint64_t) usb_buffer3;
- *USB_HOST_HCDMA3 |= 0xC0000000;
- // HCTSIZ1.Pid = 2'd2 (DATA1) , HCTSIZ1.PktCnt = 10'h1 , HCTSIZ1.XferSize = 18'd64
- *USB_HOST_HCTSIZ3 = 2 << 29 | 1 << 19 | 64;
- // HCCAR1.ChEna = 1'b1
- *USB_HOST_HCCHAR3 |= 1<<31;
-
- uart_string("HUB INT ");
- for (int i = 0; i < 2; i++) {
- uart_hex(usb_buffer3[i]);
- uart_char(' ');
- }
- uart_char('\n');
-}
-
-static void prepare_control_msg(void)
-{
- my_memset(usb_buffer0, 0, 256);
- my_memset(usb_buffer1, 0, 256);
-
- // HCCAR1.EPDir = 1'b0 (OUT) / 1'b01(IN), HCCAR1.MPS = 11'h40
- *USB_HOST_HCCHAR0 |= 0x40; // OUT
- *USB_HOST_HCCHAR1 |= 1 << 15 | 0x40; // IN
-
- //clear dev
- *USB_HOST_HCCHAR0 &= ~(0x7f << 22);
- *USB_HOST_HCCHAR1 &= ~(0x7f << 22);
-}
-
-
-void usbhost_get_descriptor(uint8_t dev, uint8_t descriptor_type, bool is_hub)
-{
- prepare_control_msg();
-
- *USB_HOST_HCCHAR0 |= dev << 22;
- *USB_HOST_HCCHAR1 |= dev << 22;
-
- // build packet
- my_memcpy(usb_buffer0, &(struct UsbDeviceRequest) {
- .Type = is_hub ? 0xA0 : 0x80, // DEVICE_TO_HOST | STANDARD | DEVICE
- .Request = 0x06, // GET_DESCRIPTOR
- .Value = descriptor_type << 8 | 0x00, // descriptor.type = 0x01, decriptor.index = 0x00
- .Index = 0,
- .Length = 64,
- }, 8);
-
- txrx_control_msg(8);
-}
-
-void usbhost_get_portstatus(uint8_t dev, uint8_t port, bool is_hub)
-{
- prepare_control_msg();
-
- *USB_HOST_HCCHAR0 |= dev << 22;
- *USB_HOST_HCCHAR1 |= dev << 22;
-
- // build packet
- my_memcpy(usb_buffer0, &(struct UsbDeviceRequest) {
- .Type = is_hub ? 0xA3 : 0x80, // DEVICE_TO_HOST | CLASS or STANDARD | DEVICE
- .Request = 0x00, // GET_STATUS
- .Index = port,
- .Length = 4,
- }, 8);
-
- txrx_control_msg(8);
-
- uart_string("PORT STATUS ");
- uart_10(port);
- for (int i = 0; i < 4; i++) {
- uart_hex(usb_buffer1[i]);
- uart_char(' ');
- }
- uart_char('\n');
-}
-
-void usbhost_set_address(uint8_t address)
-{
- prepare_control_msg();
-
- // build packet
- my_memcpy(usb_buffer0, &(struct UsbDeviceRequest) {
- .Type = 0,
- .Request = 5, // Set address request
- .Value = address, // Address to set
- }, 8);
-
- txrx_control_msg(8);
-}
-
-void usbhost_set_config(uint8_t dev, uint8_t config)
-{
- prepare_control_msg();
-
- *USB_HOST_HCCHAR0 |= dev << 22;
- *USB_HOST_HCCHAR1 |= dev << 22;
-
- // build packet
- my_memcpy(usb_buffer0, &(struct UsbDeviceRequest) {
- .Type = 0,
- .Request = 9, // Set config
- .Value = config, // Address to set
- .Length = 0,
- }, 8);
-
- txrx_control_msg(8);
-}
-
-void usbhost_set_portfeature(uint8_t dev, uint8_t port, uint16_t feature)
-{
- prepare_control_msg();
-
- *USB_HOST_HCCHAR0 |= dev << 22;
- *USB_HOST_HCCHAR1 |= dev << 22;
-
- // build packet
- my_memcpy(usb_buffer0, &(struct UsbDeviceRequest) {
- .Type = 0x23, // ??
- .Request = 0x03, // SET_FEATURE
- .Value = (uint16_t)feature, // Feature we are changing
- .Index = port,
- .Length = 0,
- }, 8);
-
- txrx_control_msg(8);
-}
-
-void usbhost_clear_portfeature(uint8_t dev, uint8_t port, uint16_t feature)
-{
- prepare_control_msg();
-
- *USB_HOST_HCCHAR0 |= dev << 22;
- *USB_HOST_HCCHAR1 |= dev << 22;
-
- // build packet
- my_memcpy(usb_buffer0, &(struct UsbDeviceRequest) {
- .Type = 0x23, // ??
- .Request = 0x01, // CLEAR_FEATURE
- .Value = feature,
- .Index = port,
- .Length = 0,
- }, 8);
-
- txrx_control_msg(8);
-}
-
-void usb_trig(void)
-{
- usbhost_id();
- usbhost_start();
-
- uart_string("GET DEVICE_DESCRIPTOR\n");
- usbhost_get_descriptor(0, 0x01, false);
- for (int i = 0; i < 18; i++) {
- uart_hex(usb_buffer1[i]);
- uart_char(' ');
- }
- uart_char('\n');
-
- uart_string("SET ADDRESS 2\n");
- usbhost_set_address(2);
-
- uart_string("GET CONFIG_DESCRIPTOR\n");
- usbhost_get_descriptor(2, 0x02, false);
- for (int i = 0; i < 18; i++) {
- uart_hex(usb_buffer1[i]);
- uart_char(' ');
- }
- uart_char('\n');
-
- uart_string("SET CONFIG 1\n");
- usbhost_set_config(2, 1);
-
- uart_string("GET HUB_DESCRIPTOR\n");
- usbhost_get_descriptor(2, 41, true);
- for (int i = 0; i < 18; i++) {
- uart_hex(usb_buffer1[i]);
- uart_char(' ');
- }
- uart_char('\n');
- uart_string("Hub device 0 has ");
- uart_10(usb_buffer1[2]);
- uart_string(" ports\n");
-
- usbhost_get_portstatus(2, 0, false);
- usbhost_get_portstatus(2, 1, true);
- usbhost_clear_portfeature(2, 1, 0x0010);
- usbhost_get_portstatus(2, 1, true);
-
- uart_string("SET PORT 1 POWER ON\n");
- usbhost_set_portfeature(2, 1, 0x0008);
- usbhost_get_portstatus(2, 1, true);
-
- delay(0x100000);
-
- uart_string("CLEAR PORT FEATURE\n");
- usbhost_clear_portfeature(2, 1, 0x0010);
- // usbhost_get_portstatus(2, 1, true);
- // usbhost_poll_intr();
-
- uart_string("SET PORT 1 RESET\n");
- usbhost_set_portfeature(2, 1, 0x0004);
- // usbhost_poll_intr();
-
- uart_string("CLEAR PORT FEATURE\n");
- usbhost_clear_portfeature(2, 1, 0x0014);
- usbhost_clear_portfeature(2, 1, 0x0011);
- // usbhost_get_portstatus(2, 1, true);
- // usbhost_poll_intr();
-
- uart_string("GET DEVICE_DESCRIPTOR\n");
- usbhost_get_descriptor(0, 0x01, false);
- for (int i = 0; i < 18; i++) {
- uart_hex(usb_buffer1[i]);
- uart_char(' ');
- }
- uart_string("\n");
-
- usbhost_set_address(3);
- uart_string("GET CONFIG_DESCRIPTOR\n");
- usbhost_get_descriptor(3, 0x02, false);
- for (int i = 0; i < 18; i++) {
- uart_hex(usb_buffer1[i]);
- uart_char(' ');
- }
- uart_string("\n");
-}
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-03 12:39:15 +0000