drivers/media/pci/netup_unidvb/netup_unidvb.h

   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 */
  57 enum netup_hw_rev {
  58         NETUP_HW_REV_1_3 = 0x18F6,
  59         NETUP_HW_REV_1_4 = 0x18F7
  60 };
  61
  62 struct 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
  79 enum netup_i2c_state {
  80         STATE_DONE,
  81         STATE_WAIT,
  82         STATE_WANT_READ,
  83         STATE_WANT_WRITE,
  84         STATE_ERROR
  85 };
  86
  87 struct netup_i2c_regs;
  88
  89 struct 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
 100 struct 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
 109 struct netup_spi;
 110
 111 struct 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
 134 int netup_i2c_register(struct netup_unidvb_dev *ndev);
 135 void netup_i2c_unregister(struct netup_unidvb_dev *ndev);
 136 irqreturn_t netup_ci_interrupt(struct netup_unidvb_dev *ndev);
 137 irqreturn_t netup_i2c_interrupt(struct netup_i2c *i2c);
 138 irqreturn_t netup_spi_interrupt(struct netup_spi *spi);
 139 int netup_unidvb_ci_register(struct netup_unidvb_dev *dev,
 140                              int num, struct pci_dev *pci_dev);
 141 void netup_unidvb_ci_unregister(struct netup_unidvb_dev *dev, int num);
 142 int netup_spi_init(struct netup_unidvb_dev *ndev);
 143 void netup_spi_release(struct netup_unidvb_dev *ndev);