LXR linux/drivers/media/pci/netup_unidvb/netup

   1/*
   2 * netup_unidvb.h
   3 *
   4 * Data type definitions for NetUP Universal Dual DVB-CI
   5 *
   6 * Copyright (C) 2014 NetUP Inc.
   7 * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>
   8 * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
   9 *
  10 * This program is free software; you can redistribute it and/or modify
  11 * it under the terms of the GNU General Public License as published by
  12 * the Free Software Foundation; either version 2 of the License, or
  13 * (at your option) any later version.
  14 *
  15 * This program is distributed in the hope that it will be useful,
  16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 * GNU General Public License for more details.
  19 */
  20
  21#include <linux/pci.h>
  22#include <linux/i2c.h>
  23#include <linux/workqueue.h>
  24#include <media/v4l2-common.h>
  25#include <media/v4l2-device.h>
  26#include <media/videobuf2-dvb.h>
  27#include <dvb_ca_en50221.h>
  28
  29#define NETUP_UNIDVB_NAME       "netup_unidvb"
  30#define NETUP_UNIDVB_VERSION    "0.0.1"
  31#define NETUP_VENDOR_ID         0x1b55
  32#define NETUP_PCI_DEV_REVISION  0x2
  33
  34/* IRQ-related regisers */
  35#define REG_ISR                 0x4890
  36#define REG_ISR_MASKED          0x4892
  37#define REG_IMASK_SET           0x4894
  38#define REG_IMASK_CLEAR         0x4896
  39/* REG_ISR register bits */
  40#define NETUP_UNIDVB_IRQ_SPI    (1 << 0)
  41#define NETUP_UNIDVB_IRQ_I2C0   (1 << 1)
  42#define NETUP_UNIDVB_IRQ_I2C1   (1 << 2)
  43#define NETUP_UNIDVB_IRQ_FRA0   (1 << 4)
  44#define NETUP_UNIDVB_IRQ_FRA1   (1 << 5)
  45#define NETUP_UNIDVB_IRQ_FRB0   (1 << 6)
  46#define NETUP_UNIDVB_IRQ_FRB1   (1 << 7)
  47#define NETUP_UNIDVB_IRQ_DMA1   (1 << 8)
  48#define NETUP_UNIDVB_IRQ_DMA2   (1 << 9)
  49#define NETUP_UNIDVB_IRQ_CI     (1 << 10)
  50#define NETUP_UNIDVB_IRQ_CAM0   (1 << 11)
  51#define NETUP_UNIDVB_IRQ_CAM1   (1 << 12)
  52
  53/* NetUP Universal DVB card hardware revisions and it's PCI device id's:
  54 * 1.3 - CXD2841ER demod, ASCOT2E and HORUS3A tuners
  55 * 1.4 - CXD2854ER demod, HELENE tuner
  56*/
  57enum netup_hw_rev {
  58        NETUP_HW_REV_1_3 = 0x18F6,
  59        NETUP_HW_REV_1_4 = 0x18F7
  60};
  61
  62struct netup_dma {
  63        u8                      num;
  64        spinlock_t              lock;
  65        struct netup_unidvb_dev *ndev;
  66        struct netup_dma_regs __iomem *regs;
  67        u32                     ring_buffer_size;
  68        u8                      *addr_virt;
  69        dma_addr_t              addr_phys;
  70        u64                     addr_last;
  71        u32                     high_addr;
  72        u32                     data_offset;
  73        u32                     data_size;
  74        struct list_head        free_buffers;
  75        struct work_struct      work;
  76        struct timer_list       timeout;
  77};
  78
  79enum netup_i2c_state {
  80        STATE_DONE,
  81        STATE_WAIT,
  82        STATE_WANT_READ,
  83        STATE_WANT_WRITE,
  84        STATE_ERROR
  85};
  86
  87struct netup_i2c_regs;
  88
  89struct netup_i2c {
  90        spinlock_t                      lock;
  91        wait_queue_head_t               wq;
  92        struct i2c_adapter              adap;
  93        struct netup_unidvb_dev         *dev;
  94        struct netup_i2c_regs __iomem   *regs;
  95        struct i2c_msg                  *msg;
  96        enum netup_i2c_state            state;
  97        u32                             xmit_size;
  98};
  99
 100struct netup_ci_state {
 101        struct dvb_ca_en50221           ca;
 102        u8 __iomem                      *membase8_config;
 103        u8 __iomem                      *membase8_io;
 104        struct netup_unidvb_dev         *dev;
 105        int status;
 106        int nr;
 107};
 108
 109struct netup_spi;
 110
 111struct netup_unidvb_dev {
 112        struct pci_dev                  *pci_dev;
 113        int                             pci_bus;
 114        int                             pci_slot;
 115        int                             pci_func;
 116        int                             board_num;
 117        int                             old_fw;
 118        u32 __iomem                     *lmmio0;
 119        u8 __iomem                      *bmmio0;
 120        u32 __iomem                     *lmmio1;
 121        u8 __iomem                      *bmmio1;
 122        u8                              *dma_virt;
 123        dma_addr_t                      dma_phys;
 124        u32                             dma_size;
 125        struct vb2_dvb_frontends        frontends[2];
 126        struct netup_i2c                i2c[2];
 127        struct workqueue_struct         *wq;
 128        struct netup_dma                dma[2];
 129        struct netup_ci_state           ci[2];
 130        struct netup_spi                *spi;
 131        enum netup_hw_rev               rev;
 132};
 133
 134int netup_i2c_register(struct netup_unidvb_dev *ndev);
 135void netup_i2c_unregister(struct netup_unidvb_dev *ndev);
 136irqreturn_t netup_ci_interrupt(struct netup_unidvb_dev *ndev);
 137irqreturn_t netup_i2c_interrupt(struct netup_i2c *i2c);
 138irqreturn_t netup_spi_interrupt(struct netup_spi *spi);
 139int netup_unidvb_ci_register(struct netup_unidvb_dev *dev,
 140                             int num, struct pci_dev *pci_dev);
 141void netup_unidvb_ci_unregister(struct netup_unidvb_dev *dev, int num);
 142int netup_spi_init(struct netup_unidvb_dev *ndev);
 143void netup_spi_release(struct netup_unidvb_dev *ndev);
 144