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 struct netup_dma {
54 	u8			num;
55 	spinlock_t		lock;
56 	struct netup_unidvb_dev	*ndev;
57 	struct netup_dma_regs	*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		*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 };
123 
124 int netup_i2c_register(struct netup_unidvb_dev *ndev);
125 void netup_i2c_unregister(struct netup_unidvb_dev *ndev);
126 irqreturn_t netup_ci_interrupt(struct netup_unidvb_dev *ndev);
127 irqreturn_t netup_i2c_interrupt(struct netup_i2c *i2c);
128 irqreturn_t netup_spi_interrupt(struct netup_spi *spi);
129 int netup_unidvb_ci_register(struct netup_unidvb_dev *dev,
130 			     int num, struct pci_dev *pci_dev);
131 void netup_unidvb_ci_unregister(struct netup_unidvb_dev *dev, int num);
132 int netup_spi_init(struct netup_unidvb_dev *ndev);
133 void netup_spi_release(struct netup_unidvb_dev *ndev);
134