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

source code of linux/drivers/media/pci/netup_unidvb/netup_unidvb.h