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
117

source code of linux/drivers/media/usb/b2c2/flexcop-usb.h