src/add-ons/kernel/drivers/dvb/cx23882/cx23882.h

   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