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 
20 struct 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?*/
41 typedef enum {
42 
43 } flexcop_usb_request_type_t;
44 #endif
45 
46 /* request */
47 typedef 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 */
59 typedef 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 */
73 typedef 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 (1*HZ)
95 #define B2C2_WAIT_FOR_OPERATION_RDW (3*HZ)
96 #define B2C2_WAIT_FOR_OPERATION_WDW (1*HZ)
97 
98 #define B2C2_WAIT_FOR_OPERATION_V8READ (3*HZ)
99 #define B2C2_WAIT_FOR_OPERATION_V8WRITE (3*HZ)
100 #define B2C2_WAIT_FOR_OPERATION_V8FLASH (3*HZ)
101 
102 typedef 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