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

   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*/
  48enum netup_hw_rev {
  49        NETUP_HW_REV_1_3 = 0x18F6,
  50        NETUP_HW_REV_1_4 = 0x18F7
  51};
  52
  53struct 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
  70enum netup_i2c_state {
  71        STATE_DONE,
  72        STATE_WAIT,
  73        STATE_WANT_READ,
  74        STATE_WANT_WRITE,
  75        STATE_ERROR
  76};
  77
  78struct netup_i2c_regs;
  79
  80struct 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
  91struct 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
 100struct netup_spi;
 101
 102struct 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
 125int netup_i2c_register(struct netup_unidvb_dev *ndev);
 126void netup_i2c_unregister(struct netup_unidvb_dev *ndev);
 127irqreturn_t netup_ci_interrupt(struct netup_unidvb_dev *ndev);
 128irqreturn_t netup_i2c_interrupt(struct netup_i2c *i2c);
 129irqreturn_t netup_spi_interrupt(struct netup_spi *spi);
 130int netup_unidvb_ci_register(struct netup_unidvb_dev *dev,
 131                             int num, struct pci_dev *pci_dev);
 132void netup_unidvb_ci_unregister(struct netup_unidvb_dev *dev, int num);
 133int netup_spi_init(struct netup_unidvb_dev *ndev);
 134void netup_spi_release(struct netup_unidvb_dev *ndev);
 135