| flexcop-usb.c (d754ed2821fd9675d203cb73c4afcd593e28b7d0) | flexcop-usb.c (b178aa6f333b07bda0548d7e45085660a112414d) |
|---|---|
| 1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III 4 * flexcop-usb.c - covers the USB part 5 * see flexcop.c for copyright information 6 */ 7#define FC_LOG_PREFIX "flexcop_usb" 8#include "flexcop-usb.h" --- 165 unchanged lines hidden (view full) --- 174#define bytes_left_to_read_on_page(paddr, buflen) \ 175 ((V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)) > buflen \ 176 ? buflen : (V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK))) 177 178static int flexcop_usb_memory_req(struct flexcop_usb *fc_usb, 179 flexcop_usb_request_t req, flexcop_usb_mem_page_t page_start, 180 u32 addr, int extended, u8 *buf, u32 len) 181{ | 1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III 4 * flexcop-usb.c - covers the USB part 5 * see flexcop.c for copyright information 6 */ 7#define FC_LOG_PREFIX "flexcop_usb" 8#include "flexcop-usb.h" --- 165 unchanged lines hidden (view full) --- 174#define bytes_left_to_read_on_page(paddr, buflen) \ 175 ((V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)) > buflen \ 176 ? buflen : (V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK))) 177 178static int flexcop_usb_memory_req(struct flexcop_usb *fc_usb, 179 flexcop_usb_request_t req, flexcop_usb_mem_page_t page_start, 180 u32 addr, int extended, u8 *buf, u32 len) 181{ |
| 182 int i, ret = 0; | 182 int ret = 0; |
| 183 u16 wMax; 184 u32 pagechunk = 0; 185 186 switch (req) { 187 case B2C2_USB_READ_V8_MEM: 188 wMax = USB_MEM_READ_MAX; 189 break; 190 case B2C2_USB_WRITE_V8_MEM: 191 wMax = USB_MEM_WRITE_MAX; 192 break; 193 case B2C2_USB_FLASH_BLOCK: 194 wMax = USB_FLASH_MAX; 195 break; 196 default: 197 return -EINVAL; 198 } | 183 u16 wMax; 184 u32 pagechunk = 0; 185 186 switch (req) { 187 case B2C2_USB_READ_V8_MEM: 188 wMax = USB_MEM_READ_MAX; 189 break; 190 case B2C2_USB_WRITE_V8_MEM: 191 wMax = USB_MEM_WRITE_MAX; 192 break; 193 case B2C2_USB_FLASH_BLOCK: 194 wMax = USB_FLASH_MAX; 195 break; 196 default: 197 return -EINVAL; 198 } |
| 199 for (i = 0; i < len;) { | 199 while (len) { |
| 200 pagechunk = min(wMax, bytes_left_to_read_on_page(addr, len)); 201 deb_info("%x\n", 202 (addr & V8_MEMORY_PAGE_MASK) | 203 (V8_MEMORY_EXTENDED*extended)); 204 205 ret = flexcop_usb_v8_memory_req(fc_usb, req, 206 page_start + (addr / V8_MEMORY_PAGE_SIZE), 207 (addr & V8_MEMORY_PAGE_MASK) | 208 (V8_MEMORY_EXTENDED*extended), | 200 pagechunk = min(wMax, bytes_left_to_read_on_page(addr, len)); 201 deb_info("%x\n", 202 (addr & V8_MEMORY_PAGE_MASK) | 203 (V8_MEMORY_EXTENDED*extended)); 204 205 ret = flexcop_usb_v8_memory_req(fc_usb, req, 206 page_start + (addr / V8_MEMORY_PAGE_SIZE), 207 (addr & V8_MEMORY_PAGE_MASK) | 208 (V8_MEMORY_EXTENDED*extended), |
| 209 &buf[i], pagechunk); | 209 buf, pagechunk); |
| 210 211 if (ret < 0) 212 return ret; 213 addr += pagechunk; | 210 211 if (ret < 0) 212 return ret; 213 addr += pagechunk; |
| 214 buf += pagechunk; |
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| 214 len -= pagechunk; 215 } 216 return 0; 217} 218 219static int flexcop_usb_get_mac_addr(struct flexcop_device *fc, int extended) 220{ 221 return flexcop_usb_memory_req(fc->bus_specific, B2C2_USB_READ_V8_MEM, --- 415 unchanged lines hidden --- | 215 len -= pagechunk; 216 } 217 return 0; 218} 219 220static int flexcop_usb_get_mac_addr(struct flexcop_device *fc, int extended) 221{ 222 return flexcop_usb_memory_req(fc->bus_specific, B2C2_USB_READ_V8_MEM, --- 415 unchanged lines hidden --- |