1 /* 2 * Copyright (c) 2004-2007 Marcus Overhagen <marcus@overhagen.de> 3 * 4 * Permission is hereby granted, free of charge, to any person 5 * obtaining a copy of this software and associated documentation 6 * files (the "Software"), to deal in the Software without restriction, 7 * including without limitation the rights to use, copy, modify, 8 * merge, publish, distribute, sublicense, and/or sell copies of 9 * the Software, and to permit persons to whom the Software is 10 * furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be 13 * included in all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 17 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 #ifndef __CX23882_H 26 #define __CX23882_H 27 28 #include <SupportDefs.h> 29 #include "driver.h" 30 #include "cx23882_regs.h" 31 #include "i2c_core.h" 32 33 typedef struct { 34 const pci_info * pci_info; 35 int irq; 36 void * regs; 37 area_id regs_area; 38 uint32 i2c_reg; 39 i2c_bus * i2c_bus; 40 41 area_id dma_buf1_area; 42 void * dma_buf1_virt; 43 phys_addr_t dma_buf1_phys; 44 area_id dma_buf2_area; 45 void * dma_buf2_virt; 46 phys_addr_t dma_buf2_phys; 47 48 sem_id capture_sem; 49 void * capture_data; 50 size_t capture_size; 51 bigtime_t capture_end_time; 52 } cx23882_device; 53 54 55 #define reg_read8(offset) (*(volatile uint8 *) ((char *)(device->regs) + (offset))) 56 #define reg_read16(offset) (*(volatile uint16 *)((char *)(device->regs) + (offset))) 57 #define reg_read32(offset) (*(volatile uint32 *)((char *)(device->regs) + (offset))) 58 #define reg_write8(offset, value) (*(volatile uint8 *) ((char *)(device->regs) + (offset)) = value) 59 #define reg_write16(offset, value) (*(volatile uint16 *)((char *)(device->regs) + (offset)) = value) 60 #define reg_write32(offset, value) (*(volatile uint32 *)((char *)(device->regs) + (offset)) = value) 61 62 63 void cx23882_reset(cx23882_device *device); 64 status_t cx23882_init(cx23882_device *device); 65 status_t cx23882_terminate(cx23882_device *device); 66 67 status_t cx23882_start_capture(cx23882_device *device); 68 status_t cx23882_stop_capture(cx23882_device *device); 69 70 int32 cx23882_int(void *data); 71 72 #endif 73