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