[media] netup_unidvb: NetUP Universal DVB-S/S2/T/T2/C PCI-E card driver

Add NetUP Dual Universal CI PCIe board driver.
The board has
    - two CI slots
    - two I2C adapters
    - SPI master bus for accessing flash memory containing
      FPGA firmware

No changes required.

Signed-off-by: Kozlov Sergey <serjk@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

MAINTAINERS

@@ -6637,6 +6637,15 @@ T:	git git://linuxtv.org/media_tree.git
 S:	Supported
 F:	drivers/media/dvb-frontends/lnbh25*
 
+MEDIA DRIVERS FOR NETUP PCI UNIVERSAL DVB devices
+M:	Sergey Kozlov <serjk@netup.ru>
+L:	linux-media@vger.kernel.org
+W:	http://linuxtv.org/
+W:	http://netup.tv/
+T:	git git://linuxtv.org/media_tree.git
+S:	Supported
+F:	drivers/media/pci/netup_unidvb/*
+
 MEDIA INPUT INFRASTRUCTURE (V4L/DVB)
 M:	Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 P:	LinuxTV.org Project

drivers/media/pci/Kconfig

@@ -49,6 +49,7 @@ source "drivers/media/pci/mantis/Kconfig"
 source "drivers/media/pci/ngene/Kconfig"
 source "drivers/media/pci/ddbridge/Kconfig"
 source "drivers/media/pci/smipcie/Kconfig"
+source "drivers/media/pci/netup_unidvb/Kconfig"
 endif
 
 endif #MEDIA_PCI_SUPPORT

drivers/media/pci/Makefile

@@ -12,7 +12,8 @@ obj-y        +=	ttpci/		\
 		ngene/		\
 		ddbridge/	\
 		saa7146/	\
-		smipcie/
+		smipcie/	\
+		netup_unidvb/
 
 obj-$(CONFIG_VIDEO_IVTV) += ivtv/
 obj-$(CONFIG_VIDEO_ZORAN) += zoran/

drivers/media/pci/netup_unidvb/Kconfig

@@ -0,0 +1,12 @@
+config DVB_NETUP_UNIDVB
+	tristate "NetUP Universal DVB card support"
+	depends on DVB_CORE && VIDEO_DEV && PCI && I2C && SPI_MASTER
+    select VIDEOBUF2_DVB
+    select VIDEOBUF2_VMALLOC
+	select DVB_HORUS3A if MEDIA_SUBDRV_AUTOSELECT
+	select DVB_ASCOT2E if MEDIA_SUBDRV_AUTOSELECT
+	select DVB_LNBH25 if MEDIA_SUBDRV_AUTOSELECT
+	select DVB_CXD2841ER if MEDIA_SUBDRV_AUTOSELECT
+	---help---
+	  Support for NetUP PCI express Universal DVB card.
+

drivers/media/pci/netup_unidvb/Makefile

@@ -0,0 +1,9 @@
+netup-unidvb-objs += netup_unidvb_core.o
+netup-unidvb-objs += netup_unidvb_i2c.o
+netup-unidvb-objs += netup_unidvb_ci.o
+netup-unidvb-objs += netup_unidvb_spi.o
+
+obj-$(CONFIG_DVB_NETUP_UNIDVB) += netup-unidvb.o
+
+ccflags-y += -Idrivers/media/dvb-core
+ccflags-y += -Idrivers/media/dvb-frontends

drivers/media/pci/netup_unidvb/netup_unidvb.h

@@ -0,0 +1,133 @@
+/*
+ * netup_unidvb.h
+ *
+ * Data type definitions for NetUP Universal Dual DVB-CI
+ *
+ * Copyright (C) 2014 NetUP Inc.
+ * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>
+ * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/pci.h>
+#include <linux/i2c.h>
+#include <linux/workqueue.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-device.h>
+#include <media/videobuf2-dvb.h>
+#include <dvb_ca_en50221.h>
+
+#define NETUP_UNIDVB_NAME	"netup_unidvb"
+#define NETUP_UNIDVB_VERSION	"0.0.1"
+#define NETUP_VENDOR_ID		0x1b55
+#define NETUP_PCI_DEV_REVISION  0x2
+
+/* IRQ-related regisers */
+#define REG_ISR			0x4890
+#define REG_ISR_MASKED		0x4892
+#define REG_IMASK_SET		0x4894
+#define REG_IMASK_CLEAR		0x4896
+/* REG_ISR register bits */
+#define NETUP_UNIDVB_IRQ_SPI	(1 << 0)
+#define NETUP_UNIDVB_IRQ_I2C0	(1 << 1)
+#define NETUP_UNIDVB_IRQ_I2C1	(1 << 2)
+#define NETUP_UNIDVB_IRQ_FRA0	(1 << 4)
+#define NETUP_UNIDVB_IRQ_FRA1	(1 << 5)
+#define NETUP_UNIDVB_IRQ_FRB0	(1 << 6)
+#define NETUP_UNIDVB_IRQ_FRB1	(1 << 7)
+#define NETUP_UNIDVB_IRQ_DMA1	(1 << 8)
+#define NETUP_UNIDVB_IRQ_DMA2	(1 << 9)
+#define NETUP_UNIDVB_IRQ_CI	(1 << 10)
+#define NETUP_UNIDVB_IRQ_CAM0	(1 << 11)
+#define NETUP_UNIDVB_IRQ_CAM1	(1 << 12)
+
+struct netup_dma {
+	u8			num;
+	spinlock_t		lock;
+	struct netup_unidvb_dev	*ndev;
+	struct netup_dma_regs	*regs;
+	u32			ring_buffer_size;
+	u8			*addr_virt;
+	dma_addr_t		addr_phys;
+	u64			addr_last;
+	u32			high_addr;
+	u32			data_offset;
+	u32			data_size;
+	struct list_head	free_buffers;
+	struct work_struct	work;
+	struct timer_list	timeout;
+};
+
+enum netup_i2c_state {
+	STATE_DONE,
+	STATE_WAIT,
+	STATE_WANT_READ,
+	STATE_WANT_WRITE,
+	STATE_ERROR
+};
+
+struct netup_i2c_regs;
+
+struct netup_i2c {
+	spinlock_t			lock;
+	wait_queue_head_t		wq;
+	struct i2c_adapter		adap;
+	struct netup_unidvb_dev		*dev;
+	struct netup_i2c_regs		*regs;
+	struct i2c_msg			*msg;
+	enum netup_i2c_state		state;
+	u32				xmit_size;
+};
+
+struct netup_ci_state {
+	struct dvb_ca_en50221		ca;
+	u8 __iomem			*membase8_config;
+	u8 __iomem			*membase8_io;
+	struct netup_unidvb_dev		*dev;
+	int status;
+	int nr;
+};
+
+struct netup_spi;
+
+struct netup_unidvb_dev {
+	struct pci_dev			*pci_dev;
+	int				pci_bus;
+	int				pci_slot;
+	int				pci_func;
+	int				board_num;
+	int				old_fw;
+	u32 __iomem			*lmmio0;
+	u8 __iomem			*bmmio0;
+	u32 __iomem			*lmmio1;
+	u8 __iomem			*bmmio1;
+	u8				*dma_virt;
+	dma_addr_t			dma_phys;
+	u32				dma_size;
+	struct vb2_dvb_frontends	frontends[2];
+	struct netup_i2c		i2c[2];
+	struct workqueue_struct		*wq;
+	struct netup_dma		dma[2];
+	struct netup_ci_state		ci[2];
+	struct netup_spi		*spi;
+};
+
+int netup_i2c_register(struct netup_unidvb_dev *ndev);
+void netup_i2c_unregister(struct netup_unidvb_dev *ndev);
+irqreturn_t netup_ci_interrupt(struct netup_unidvb_dev *ndev);
+irqreturn_t netup_i2c_interrupt(struct netup_i2c *i2c);
+irqreturn_t netup_spi_interrupt(struct netup_spi *spi);
+int netup_unidvb_ci_register(struct netup_unidvb_dev *dev,
+			     int num, struct pci_dev *pci_dev);
+void netup_unidvb_ci_unregister(struct netup_unidvb_dev *dev, int num);
+int netup_spi_init(struct netup_unidvb_dev *ndev);
+void netup_spi_release(struct netup_unidvb_dev *ndev);