cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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flexcop-usb.h (3202B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
      4 * flexcop-usb.h - header file for the USB part
      5 * see flexcop.c for copyright information
      6 */
      7#ifndef __FLEXCOP_USB_H_INCLUDED__
      8#define __FLEXCOP_USB_H_INCLUDED__
      9
     10#include <linux/usb.h>
     11
     12/* transfer parameters */
     13#define B2C2_USB_FRAMES_PER_ISO 4
     14#define B2C2_USB_NUM_ISO_URB 4
     15
     16#define B2C2_USB_CTRL_PIPE_IN usb_rcvctrlpipe(fc_usb->udev, 0)
     17#define B2C2_USB_CTRL_PIPE_OUT usb_sndctrlpipe(fc_usb->udev, 0)
     18#define B2C2_USB_DATA_PIPE usb_rcvisocpipe(fc_usb->udev, 1)
     19
     20struct flexcop_usb {
     21	struct usb_device *udev;
     22	struct usb_interface *uintf;
     23
     24	u8 *iso_buffer;
     25	int buffer_size;
     26	dma_addr_t dma_addr;
     27
     28	struct urb *iso_urb[B2C2_USB_NUM_ISO_URB];
     29	struct flexcop_device *fc_dev;
     30
     31	u8 tmp_buffer[1023+190];
     32	int tmp_buffer_length;
     33
     34	/* for URB control messages */
     35	u8 data[80];
     36	struct mutex data_mutex;
     37};
     38
     39#if 0
     40/* request types TODO What is its use?*/
     41typedef enum {
     42
     43} flexcop_usb_request_type_t;
     44#endif
     45
     46/* request */
     47typedef enum {
     48	B2C2_USB_WRITE_V8_MEM = 0x04,
     49	B2C2_USB_READ_V8_MEM  = 0x05,
     50	B2C2_USB_READ_REG     = 0x08,
     51	B2C2_USB_WRITE_REG    = 0x0A,
     52	B2C2_USB_WRITEREGHI   = 0x0B,
     53	B2C2_USB_FLASH_BLOCK  = 0x10,
     54	B2C2_USB_I2C_REQUEST  = 0x11,
     55	B2C2_USB_UTILITY      = 0x12,
     56} flexcop_usb_request_t;
     57
     58/* function definition for I2C_REQUEST */
     59typedef enum {
     60	USB_FUNC_I2C_WRITE       = 0x01,
     61	USB_FUNC_I2C_MULTIWRITE  = 0x02,
     62	USB_FUNC_I2C_READ        = 0x03,
     63	USB_FUNC_I2C_REPEATWRITE = 0x04,
     64	USB_FUNC_GET_DESCRIPTOR  = 0x05,
     65	USB_FUNC_I2C_REPEATREAD  = 0x06,
     66	/* DKT 020208 - add this to support special case of DiSEqC */
     67	USB_FUNC_I2C_CHECKWRITE  = 0x07,
     68	USB_FUNC_I2C_CHECKRESULT = 0x08,
     69} flexcop_usb_i2c_function_t;
     70
     71/* function definition for UTILITY request 0x12
     72 * DKT 020304 - new utility function */
     73typedef enum {
     74	UTILITY_SET_FILTER          = 0x01,
     75	UTILITY_DATA_ENABLE         = 0x02,
     76	UTILITY_FLEX_MULTIWRITE     = 0x03,
     77	UTILITY_SET_BUFFER_SIZE     = 0x04,
     78	UTILITY_FLEX_OPERATOR       = 0x05,
     79	UTILITY_FLEX_RESET300_START = 0x06,
     80	UTILITY_FLEX_RESET300_STOP  = 0x07,
     81	UTILITY_FLEX_RESET300       = 0x08,
     82	UTILITY_SET_ISO_SIZE        = 0x09,
     83	UTILITY_DATA_RESET          = 0x0A,
     84	UTILITY_GET_DATA_STATUS     = 0x10,
     85	UTILITY_GET_V8_REG          = 0x11,
     86	/* DKT 020326 - add function for v1.14 */
     87	UTILITY_SRAM_WRITE          = 0x12,
     88	UTILITY_SRAM_READ           = 0x13,
     89	UTILITY_SRAM_TESTFILL       = 0x14,
     90	UTILITY_SRAM_TESTSET        = 0x15,
     91	UTILITY_SRAM_TESTVERIFY     = 0x16,
     92} flexcop_usb_utility_function_t;
     93
     94#define B2C2_WAIT_FOR_OPERATION_RW 1000
     95#define B2C2_WAIT_FOR_OPERATION_RDW 3000
     96#define B2C2_WAIT_FOR_OPERATION_WDW 1000
     97
     98#define B2C2_WAIT_FOR_OPERATION_V8READ 3000
     99#define B2C2_WAIT_FOR_OPERATION_V8WRITE 3000
    100#define B2C2_WAIT_FOR_OPERATION_V8FLASH 3000
    101
    102typedef enum {
    103	V8_MEMORY_PAGE_DVB_CI = 0x20,
    104	V8_MEMORY_PAGE_DVB_DS = 0x40,
    105	V8_MEMORY_PAGE_MULTI2 = 0x60,
    106	V8_MEMORY_PAGE_FLASH  = 0x80
    107} flexcop_usb_mem_page_t;
    108
    109#define V8_MEMORY_EXTENDED (1 << 15)
    110#define USB_MEM_READ_MAX   32
    111#define USB_MEM_WRITE_MAX   1
    112#define USB_FLASH_MAX       8
    113#define V8_MEMORY_PAGE_SIZE 0x8000 /* 32K */
    114#define V8_MEMORY_PAGE_MASK 0x7FFF
    115
    116#endif