![Mauro Carvalho Chehab](/assets/img/avatar_default.png)
The USB control messages require DMA to work. We cannot pass a stack-allocated buffer, as it is not warranted that the stack would be into a DMA enabled area. While here, remove a dead function calling usb_control_msg(). Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
116 lines
3.1 KiB
C
116 lines
3.1 KiB
C
/*
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* Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
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* flexcop-usb.h - header file for the USB part
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* see flexcop.c for copyright information
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*/
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#ifndef __FLEXCOP_USB_H_INCLUDED__
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#define __FLEXCOP_USB_H_INCLUDED__
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#include <linux/usb.h>
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/* transfer parameters */
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#define B2C2_USB_FRAMES_PER_ISO 4
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#define B2C2_USB_NUM_ISO_URB 4
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#define B2C2_USB_CTRL_PIPE_IN usb_rcvctrlpipe(fc_usb->udev, 0)
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#define B2C2_USB_CTRL_PIPE_OUT usb_sndctrlpipe(fc_usb->udev, 0)
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#define B2C2_USB_DATA_PIPE usb_rcvisocpipe(fc_usb->udev, 0x81)
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struct flexcop_usb {
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struct usb_device *udev;
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struct usb_interface *uintf;
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u8 *iso_buffer;
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int buffer_size;
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dma_addr_t dma_addr;
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struct urb *iso_urb[B2C2_USB_NUM_ISO_URB];
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struct flexcop_device *fc_dev;
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u8 tmp_buffer[1023+190];
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int tmp_buffer_length;
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/* for URB control messages */
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u8 data[80];
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struct mutex data_mutex;
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};
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#if 0
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/* request types TODO What is its use?*/
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typedef enum {
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} flexcop_usb_request_type_t;
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#endif
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/* request */
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typedef enum {
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B2C2_USB_WRITE_V8_MEM = 0x04,
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B2C2_USB_READ_V8_MEM = 0x05,
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B2C2_USB_READ_REG = 0x08,
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B2C2_USB_WRITE_REG = 0x0A,
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B2C2_USB_WRITEREGHI = 0x0B,
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B2C2_USB_FLASH_BLOCK = 0x10,
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B2C2_USB_I2C_REQUEST = 0x11,
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B2C2_USB_UTILITY = 0x12,
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} flexcop_usb_request_t;
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/* function definition for I2C_REQUEST */
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typedef enum {
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USB_FUNC_I2C_WRITE = 0x01,
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USB_FUNC_I2C_MULTIWRITE = 0x02,
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USB_FUNC_I2C_READ = 0x03,
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USB_FUNC_I2C_REPEATWRITE = 0x04,
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USB_FUNC_GET_DESCRIPTOR = 0x05,
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USB_FUNC_I2C_REPEATREAD = 0x06,
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/* DKT 020208 - add this to support special case of DiSEqC */
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USB_FUNC_I2C_CHECKWRITE = 0x07,
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USB_FUNC_I2C_CHECKRESULT = 0x08,
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} flexcop_usb_i2c_function_t;
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/* function definition for UTILITY request 0x12
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* DKT 020304 - new utility function */
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typedef enum {
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UTILITY_SET_FILTER = 0x01,
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UTILITY_DATA_ENABLE = 0x02,
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UTILITY_FLEX_MULTIWRITE = 0x03,
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UTILITY_SET_BUFFER_SIZE = 0x04,
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UTILITY_FLEX_OPERATOR = 0x05,
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UTILITY_FLEX_RESET300_START = 0x06,
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UTILITY_FLEX_RESET300_STOP = 0x07,
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UTILITY_FLEX_RESET300 = 0x08,
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UTILITY_SET_ISO_SIZE = 0x09,
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UTILITY_DATA_RESET = 0x0A,
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UTILITY_GET_DATA_STATUS = 0x10,
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UTILITY_GET_V8_REG = 0x11,
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/* DKT 020326 - add function for v1.14 */
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UTILITY_SRAM_WRITE = 0x12,
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UTILITY_SRAM_READ = 0x13,
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UTILITY_SRAM_TESTFILL = 0x14,
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UTILITY_SRAM_TESTSET = 0x15,
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UTILITY_SRAM_TESTVERIFY = 0x16,
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} flexcop_usb_utility_function_t;
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#define B2C2_WAIT_FOR_OPERATION_RW (1*HZ)
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#define B2C2_WAIT_FOR_OPERATION_RDW (3*HZ)
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#define B2C2_WAIT_FOR_OPERATION_WDW (1*HZ)
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#define B2C2_WAIT_FOR_OPERATION_V8READ (3*HZ)
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#define B2C2_WAIT_FOR_OPERATION_V8WRITE (3*HZ)
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#define B2C2_WAIT_FOR_OPERATION_V8FLASH (3*HZ)
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typedef enum {
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V8_MEMORY_PAGE_DVB_CI = 0x20,
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V8_MEMORY_PAGE_DVB_DS = 0x40,
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V8_MEMORY_PAGE_MULTI2 = 0x60,
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V8_MEMORY_PAGE_FLASH = 0x80
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} flexcop_usb_mem_page_t;
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#define V8_MEMORY_EXTENDED (1 << 15)
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#define USB_MEM_READ_MAX 32
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#define USB_MEM_WRITE_MAX 1
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#define USB_FLASH_MAX 8
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#define V8_MEMORY_PAGE_SIZE 0x8000 /* 32K */
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#define V8_MEMORY_PAGE_MASK 0x7FFF
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#endif
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