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);