root/drivers/media/pci/netup_unidvb/netup_unidvb.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * netup_unidvb.h
   4  *
   5  * Data type definitions for NetUP Universal Dual DVB-CI
   6  *
   7  * Copyright (C) 2014 NetUP Inc.
   8  * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>
   9  * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
  10  */
  11 
  12 #include <linux/pci.h>
  13 #include <linux/i2c.h>
  14 #include <linux/workqueue.h>
  15 #include <media/v4l2-common.h>
  16 #include <media/v4l2-device.h>
  17 #include <media/videobuf2-dvb.h>
  18 #include <media/dvb_ca_en50221.h>
  19 
  20 #define NETUP_UNIDVB_NAME       "netup_unidvb"
  21 #define NETUP_UNIDVB_VERSION    "0.0.1"
  22 #define NETUP_VENDOR_ID         0x1b55
  23 #define NETUP_PCI_DEV_REVISION  0x2
  24 
  25 /* IRQ-related regisers */
  26 #define REG_ISR                 0x4890
  27 #define REG_ISR_MASKED          0x4892
  28 #define REG_IMASK_SET           0x4894
  29 #define REG_IMASK_CLEAR         0x4896
  30 /* REG_ISR register bits */
  31 #define NETUP_UNIDVB_IRQ_SPI    (1 << 0)
  32 #define NETUP_UNIDVB_IRQ_I2C0   (1 << 1)
  33 #define NETUP_UNIDVB_IRQ_I2C1   (1 << 2)
  34 #define NETUP_UNIDVB_IRQ_FRA0   (1 << 4)
  35 #define NETUP_UNIDVB_IRQ_FRA1   (1 << 5)
  36 #define NETUP_UNIDVB_IRQ_FRB0   (1 << 6)
  37 #define NETUP_UNIDVB_IRQ_FRB1   (1 << 7)
  38 #define NETUP_UNIDVB_IRQ_DMA1   (1 << 8)
  39 #define NETUP_UNIDVB_IRQ_DMA2   (1 << 9)
  40 #define NETUP_UNIDVB_IRQ_CI     (1 << 10)
  41 #define NETUP_UNIDVB_IRQ_CAM0   (1 << 11)
  42 #define NETUP_UNIDVB_IRQ_CAM1   (1 << 12)
  43 
  44 /* NetUP Universal DVB card hardware revisions and it's PCI device id's:
  45  * 1.3 - CXD2841ER demod, ASCOT2E and HORUS3A tuners
  46  * 1.4 - CXD2854ER demod, HELENE tuner
  47 */
  48 enum netup_hw_rev {
  49         NETUP_HW_REV_1_3 = 0x18F6,
  50         NETUP_HW_REV_1_4 = 0x18F7
  51 };
  52 
  53 struct netup_dma {
  54         u8                      num;
  55         spinlock_t              lock;
  56         struct netup_unidvb_dev *ndev;
  57         struct netup_dma_regs __iomem *regs;
  58         u32                     ring_buffer_size;
  59         u8                      *addr_virt;
  60         dma_addr_t              addr_phys;
  61         u64                     addr_last;
  62         u32                     high_addr;
  63         u32                     data_offset;
  64         u32                     data_size;
  65         struct list_head        free_buffers;
  66         struct work_struct      work;
  67         struct timer_list       timeout;
  68 };
  69 
  70 enum netup_i2c_state {
  71         STATE_DONE,
  72         STATE_WAIT,
  73         STATE_WANT_READ,
  74         STATE_WANT_WRITE,
  75         STATE_ERROR
  76 };
  77 
  78 struct netup_i2c_regs;
  79 
  80 struct netup_i2c {
  81         spinlock_t                      lock;
  82         wait_queue_head_t               wq;
  83         struct i2c_adapter              adap;
  84         struct netup_unidvb_dev         *dev;
  85         struct netup_i2c_regs __iomem   *regs;
  86         struct i2c_msg                  *msg;
  87         enum netup_i2c_state            state;
  88         u32                             xmit_size;
  89 };
  90 
  91 struct netup_ci_state {
  92         struct dvb_ca_en50221           ca;
  93         u8 __iomem                      *membase8_config;
  94         u8 __iomem                      *membase8_io;
  95         struct netup_unidvb_dev         *dev;
  96         int status;
  97         int nr;
  98 };
  99 
 100 struct netup_spi;
 101 
 102 struct netup_unidvb_dev {
 103         struct pci_dev                  *pci_dev;
 104         int                             pci_bus;
 105         int                             pci_slot;
 106         int                             pci_func;
 107         int                             board_num;
 108         int                             old_fw;
 109         u32 __iomem                     *lmmio0;
 110         u8 __iomem                      *bmmio0;
 111         u32 __iomem                     *lmmio1;
 112         u8 __iomem                      *bmmio1;
 113         u8                              *dma_virt;
 114         dma_addr_t                      dma_phys;
 115         u32                             dma_size;
 116         struct vb2_dvb_frontends        frontends[2];
 117         struct netup_i2c                i2c[2];
 118         struct workqueue_struct         *wq;
 119         struct netup_dma                dma[2];
 120         struct netup_ci_state           ci[2];
 121         struct netup_spi                *spi;
 122         enum netup_hw_rev               rev;
 123 };
 124 
 125 int netup_i2c_register(struct netup_unidvb_dev *ndev);
 126 void netup_i2c_unregister(struct netup_unidvb_dev *ndev);
 127 irqreturn_t netup_ci_interrupt(struct netup_unidvb_dev *ndev);
 128 irqreturn_t netup_i2c_interrupt(struct netup_i2c *i2c);
 129 irqreturn_t netup_spi_interrupt(struct netup_spi *spi);
 130 int netup_unidvb_ci_register(struct netup_unidvb_dev *dev,
 131                              int num, struct pci_dev *pci_dev);
 132 void netup_unidvb_ci_unregister(struct netup_unidvb_dev *dev, int num);
 133 int netup_spi_init(struct netup_unidvb_dev *ndev);
 134 void netup_spi_release(struct netup_unidvb_dev *ndev);