staging: crystalhd: remove driver

The driver hasn't had significant work done on it for a long time.
Broadcom has EOLed the hardware and is no longer selling it. There are
probably very few people still using it. So remove the driver.
Signed-off-by: Kristina Martšenko <kristina.martsenko@gmail.com>
Cc: Naren Sankar <nsankar@broadcom.com>
Cc: Jarod Wilson <jarod@wilsonet.com>
Cc: Scott Davilla <davilla@4pi.com>
Cc: Manu Abraham <abraham.manu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

MAINTAINERS

@@ -8512,14 +8512,6 @@ M:	H Hartley Sweeten <hsweeten@visionengravers.com>
 S:	Odd Fixes
 F:	drivers/staging/comedi/
 
-STAGING - CRYSTAL HD VIDEO DECODER
-M:	Naren Sankar <nsankar@broadcom.com>
-M:	Jarod Wilson <jarod@wilsonet.com>
-M:	Scott Davilla <davilla@4pi.com>
-M:	Manu Abraham <abraham.manu@gmail.com>
-S:	Odd Fixes
-F:	drivers/staging/crystalhd/
-
 STAGING - ECHO CANCELLER
 M:	Steve Underwood <steveu@coppice.org>
 M:	David Rowe <david@rowetel.com>

drivers/staging/Kconfig

@@ -80,8 +80,6 @@ source "drivers/staging/wlags49_h2/Kconfig"
 
 source "drivers/staging/wlags49_h25/Kconfig"
 
-source "drivers/staging/crystalhd/Kconfig"
-
 source "drivers/staging/cxt1e1/Kconfig"
 
 source "drivers/staging/xgifb/Kconfig"

drivers/staging/Makefile

@@ -34,7 +34,6 @@ obj-$(CONFIG_DX_SEP)            += sep/
 obj-$(CONFIG_IIO)		+= iio/
 obj-$(CONFIG_WLAGS49_H2)	+= wlags49_h2/
 obj-$(CONFIG_WLAGS49_H25)	+= wlags49_h25/
-obj-$(CONFIG_CRYSTALHD)		+= crystalhd/
 obj-$(CONFIG_CXT1E1)		+= cxt1e1/
 obj-$(CONFIG_FB_XGI)		+= xgifb/
 obj-$(CONFIG_TIDSPBRIDGE)	+= tidspbridge/

drivers/staging/crystalhd/Kconfig

-config CRYSTALHD
-	tristate "Broadcom Crystal HD video decoder support"
-	depends on PCI
-	default n
-	help
-	  Support for the Broadcom Crystal HD video decoder chipset

drivers/staging/crystalhd/Makefile

-obj-$(CONFIG_CRYSTALHD)	+= crystalhd.o
-
-crystalhd-y		:= crystalhd_cmds.o	\
-			   crystalhd_hw.o	\
-			   crystalhd_lnx.o	\
-			   crystalhd_misc.o

drivers/staging/crystalhd/TODO

-- Testing
-- Cleanup return codes
-- Cleanup typedefs
-- Allocate an Accelerator device class specific Major number,
-  since we don't have any other open sourced accelerators, it is the only
-  one in that category for now.
-  A somewhat similar device is the DXR2/3
-
-Please send patches to:
-Greg Kroah-Hartman <greg@kroah.com>
-Naren Sankar <nsankar@broadcom.com>
-Jarod Wilson <jarod@wilsonet.com>
-Scott Davilla <davilla@4pi.com>
-Manu Abraham <abraham.manu@gmail.com>
-

drivers/staging/crystalhd/bc_dts_glob_lnx.h

-/********************************************************************
- * Copyright(c) 2006-2009 Broadcom Corporation.
- *
- *  Name: bc_dts_glob_lnx.h
- *
- *  Description: Wrapper to Windows dts_glob.h for Link-Linux usage.
- *		 The idea is to define additional Linux related defs
- *		 in this file to avoid changes to existing Windows
- *		 glob file.
- *
- *  AU
- *
- *  HISTORY:
- *
- ********************************************************************
- * This header is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published
- * by the Free Software Foundation, either version 2.1 of the License.
- *
- * This header 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 Lesser General Public License for more details.
- * You should have received a copy of the GNU Lesser General Public License
- * along with this header.  If not, see <http://www.gnu.org/licenses/>.
- *******************************************************************/
-
-#ifndef _BC_DTS_GLOB_LNX_H_
-#define _BC_DTS_GLOB_LNX_H_
-
-#ifdef __LINUX_USER__
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <ctype.h>
-#include <string.h>
-#include <errno.h>
-#include <netdb.h>
-#include <sys/time.h>
-#include <time.h>
-#include <arpa/inet.h>
-#include <linux/param.h>
-#include <linux/ioctl.h>
-#include <sys/select.h>
-
-#define DRVIFLIB_INT_API
-
-#endif
-
-#include "crystalhd.h"
-
-#define CRYSTALHD_API_NAME	"crystalhd"
-#define CRYSTALHD_API_DEV_NAME	"/dev/crystalhd"
-
-/*
- * These are SW stack tunable parameters shared
- * between the driver and the application.
- */
-enum BC_DTS_GLOBALS {
-	BC_MAX_FW_CMD_BUFF_SZ = 0x40, /* FW passthrough cmd/rsp buffer size */
-	PCI_CFG_SIZE		= 256,		/* PCI config size buffer */
-	BC_IOCTL_DATA_POOL_SIZE	= 8,		/* BC_IOCTL_DATA Pool size */
-	BC_LINK_MAX_OPENS	= 3,	/* Maximum simultaneous opens*/
-	BC_LINK_MAX_SGLS	= 1024,	/* Maximum SG elements 4M/4K */
-	BC_TX_LIST_CNT		= 2,		/* Max Tx DMA Rings */
-	BC_RX_LIST_CNT		= 8,		/* Max Rx DMA Rings*/
-	BC_PROC_OUTPUT_TIMEOUT	= 3000,		/* Milliseconds */
-	BC_INFIFO_THRESHOLD	= 0x10000,
-};
-
-struct BC_CMD_REG_ACC {
-	uint32_t		Offset;
-	uint32_t		Value;
-};
-
-struct BC_CMD_DEV_MEM {
-	uint32_t		StartOff;
-	uint32_t		NumDwords;
-	uint32_t		Rsrd;
-};
-
-/* FW Passthrough command structure */
-enum bc_fw_cmd_flags {
-	BC_FW_CMD_FLAGS_NONE	= 0,
-	BC_FW_CMD_PIB_QS	= 0x01,
-};
-
-struct BC_FW_CMD {
-	uint32_t		cmd[BC_MAX_FW_CMD_BUFF_SZ];
-	uint32_t		rsp[BC_MAX_FW_CMD_BUFF_SZ];
-	uint32_t		flags;
-	uint32_t		add_data;
-};
-
-struct BC_HW_TYPE {
-	uint16_t		PciDevId;
-	uint16_t		PciVenId;
-	uint8_t			HwRev;
-	uint8_t			Align[3];
-};
-
-struct BC_PCI_CFG {
-	uint32_t		Size;
-	uint32_t		Offset;
-	uint8_t			pci_cfg_space[PCI_CFG_SIZE];
-};
-
-struct BC_VERSION_INFO {
-	uint8_t			DriverMajor;
-	uint8_t			DriverMinor;
-	uint16_t		DriverRevision;
-};
-
-struct BC_START_RX_CAP {
-	uint32_t		Rsrd;
-	uint32_t		StartDeliveryThsh;
-	uint32_t		PauseThsh;
-	uint32_t		ResumeThsh;
-};
-
-struct BC_FLUSH_RX_CAP {
-	uint32_t		Rsrd;
-	uint32_t		bDiscardOnly;
-};
-
-struct BC_DTS_STATS {
-	uint8_t			drvRLL;
-	uint8_t			drvFLL;
-	uint8_t			eosDetected;
-	uint8_t			pwr_state_change;
-
-	/* Stats from App */
-	uint32_t		opFrameDropped;
-	uint32_t		opFrameCaptured;
-	uint32_t		ipSampleCnt;
-	uint64_t		ipTotalSize;
-	uint32_t		reptdFrames;
-	uint32_t		pauseCount;
-	uint32_t		pibMisses;
-	uint32_t		discCounter;
-
-	/* Stats from Driver */
-	uint32_t		TxFifoBsyCnt;
-	uint32_t		intCount;
-	uint32_t		DrvIgnIntrCnt;
-	uint32_t		DrvTotalFrmDropped;
-	uint32_t		DrvTotalHWErrs;
-	uint32_t		DrvTotalPIBFlushCnt;
-	uint32_t		DrvTotalFrmCaptured;
-	uint32_t		DrvPIBMisses;
-	uint32_t		DrvPauseTime;
-	uint32_t		DrvRepeatedFrms;
-	uint32_t		res1[13];
-
-};
-
-struct BC_PROC_INPUT {
-	uint8_t			*pDmaBuff;
-	uint32_t		BuffSz;
-	uint8_t			Mapped;
-	uint8_t			Encrypted;
-	uint8_t			Rsrd[2];
-	uint32_t		DramOffset;	/* For debug use only */
-};
-
-struct BC_DEC_YUV_BUFFS {
-	uint32_t		b422Mode;
-	uint8_t			*YuvBuff;
-	uint32_t		YuvBuffSz;
-	uint32_t		UVbuffOffset;
-	uint32_t		YBuffDoneSz;
-	uint32_t		UVBuffDoneSz;
-	uint32_t		RefCnt;
-};
-
-enum DECOUT_COMPLETION_FLAGS {
-	COMP_FLAG_NO_INFO	= 0x00,
-	COMP_FLAG_FMT_CHANGE	= 0x01,
-	COMP_FLAG_PIB_VALID	= 0x02,
-	COMP_FLAG_DATA_VALID	= 0x04,
-	COMP_FLAG_DATA_ENC	= 0x08,
-	COMP_FLAG_DATA_BOT	= 0x10,
-};
-
-struct BC_DEC_OUT_BUFF {
-	struct BC_DEC_YUV_BUFFS	OutPutBuffs;
-	struct BC_PIC_INFO_BLOCK PibInfo;
-	uint32_t		Flags;
-	uint32_t		BadFrCnt;
-};
-
-struct BC_NOTIFY_MODE {
-	uint32_t		Mode;
-	uint32_t		Rsvr[3];
-};
-
-struct BC_CLOCK {
-	uint32_t		clk;
-	uint32_t		Rsvr[3];
-};
-
-struct BC_IOCTL_DATA {
-	enum BC_STATUS		RetSts;
-	uint32_t		IoctlDataSz;
-	uint32_t		Timeout;
-	union {
-		struct BC_CMD_REG_ACC	regAcc;
-		struct BC_CMD_DEV_MEM	devMem;
-		struct BC_FW_CMD	fwCmd;
-		struct BC_HW_TYPE	hwType;
-		struct BC_PCI_CFG	pciCfg;
-		struct BC_VERSION_INFO	VerInfo;
-		struct BC_PROC_INPUT	ProcInput;
-		struct BC_DEC_YUV_BUFFS	RxBuffs;
-		struct BC_DEC_OUT_BUFF	DecOutData;
-		struct BC_START_RX_CAP	RxCap;
-		struct BC_FLUSH_RX_CAP	FlushRxCap;
-		struct BC_DTS_STATS	drvStat;
-		struct BC_NOTIFY_MODE	NotifyMode;
-		struct BC_CLOCK		clockValue;
-	} u;
-	struct _BC_IOCTL_DATA	*next;
-};
-
-enum BC_DRV_CMD {
-	DRV_CMD_VERSION = 0,	/* Get SW version */
-	DRV_CMD_GET_HWTYPE,	/* Get HW version and type Dozer/Tank */
-	DRV_CMD_REG_RD,		/* Read Device Register */
-	DRV_CMD_REG_WR,		/* Write Device Register */
-	DRV_CMD_FPGA_RD,	/* Read FPGA Register */
-	DRV_CMD_FPGA_WR,	/* Write FPGA Register */
-	DRV_CMD_MEM_RD,		/* Read Device Memory */
-	DRV_CMD_MEM_WR,		/* Write Device Memory */
-	DRV_CMD_RD_PCI_CFG,	/* Read PCI Config Space */
-	DRV_CMD_WR_PCI_CFG,	/* Write the PCI Configuration Space*/
-	DRV_CMD_FW_DOWNLOAD,	/* Download Firmware */
-	DRV_ISSUE_FW_CMD,	/* Issue FW Cmd (pass through mode) */
-	DRV_CMD_PROC_INPUT,	/* Process Input Sample */
-	DRV_CMD_ADD_RXBUFFS,	/* Add Rx side buffers to driver pool */
-	DRV_CMD_FETCH_RXBUFF,	/* Get Rx DMAed buffer */
-	DRV_CMD_START_RX_CAP,	/* Start Rx Buffer Capture */
-	DRV_CMD_FLUSH_RX_CAP,	/* Stop the capture for now...
-			we will enhance this later*/
-	DRV_CMD_GET_DRV_STAT,	/* Get Driver Internal Statistics */
-	DRV_CMD_RST_DRV_STAT,	/* Reset Driver Internal Statistics */
-	DRV_CMD_NOTIFY_MODE,	/* Notify the Mode to driver
-			in which the application is Operating*/
-	DRV_CMD_CHANGE_CLOCK,	/* Change the core clock to either save power
-			or improve performance */
-
-	/* MUST be the last one.. */
-	DRV_CMD_END,			/* End of the List.. */
-};
-
-#define BC_IOC_BASE		'b'
-#define BC_IOC_VOID		_IOC_NONE
-#define BC_IOC_IOWR(nr, type)	_IOWR(BC_IOC_BASE, nr, type)
-#define BC_IOCTL_MB		struct BC_IOCTL_DATA
-
-#define	BCM_IOC_GET_VERSION	BC_IOC_IOWR(DRV_CMD_VERSION, BC_IOCTL_MB)
-#define	BCM_IOC_GET_HWTYPE	BC_IOC_IOWR(DRV_CMD_GET_HWTYPE, BC_IOCTL_MB)
-#define	BCM_IOC_REG_RD		BC_IOC_IOWR(DRV_CMD_REG_RD, BC_IOCTL_MB)
-#define	BCM_IOC_REG_WR		BC_IOC_IOWR(DRV_CMD_REG_WR, BC_IOCTL_MB)
-#define	BCM_IOC_MEM_RD		BC_IOC_IOWR(DRV_CMD_MEM_RD, BC_IOCTL_MB)
-#define	BCM_IOC_MEM_WR		BC_IOC_IOWR(DRV_CMD_MEM_WR, BC_IOCTL_MB)
-#define BCM_IOC_FPGA_RD		BC_IOC_IOWR(DRV_CMD_FPGA_RD, BC_IOCTL_MB)
-#define BCM_IOC_FPGA_WR		BC_IOC_IOWR(DRV_CMD_FPGA_WR, BC_IOCTL_MB)
-#define	BCM_IOC_RD_PCI_CFG	BC_IOC_IOWR(DRV_CMD_RD_PCI_CFG, BC_IOCTL_MB)
-#define	BCM_IOC_WR_PCI_CFG	BC_IOC_IOWR(DRV_CMD_WR_PCI_CFG, BC_IOCTL_MB)
-#define BCM_IOC_PROC_INPUT	BC_IOC_IOWR(DRV_CMD_PROC_INPUT, BC_IOCTL_MB)
-#define BCM_IOC_ADD_RXBUFFS	BC_IOC_IOWR(DRV_CMD_ADD_RXBUFFS, BC_IOCTL_MB)
-#define BCM_IOC_FETCH_RXBUFF	BC_IOC_IOWR(DRV_CMD_FETCH_RXBUFF, BC_IOCTL_MB)
-#define	BCM_IOC_FW_CMD		BC_IOC_IOWR(DRV_ISSUE_FW_CMD, BC_IOCTL_MB)
-#define	BCM_IOC_START_RX_CAP	BC_IOC_IOWR(DRV_CMD_START_RX_CAP, BC_IOCTL_MB)
-#define BCM_IOC_FLUSH_RX_CAP	BC_IOC_IOWR(DRV_CMD_FLUSH_RX_CAP, BC_IOCTL_MB)
-#define BCM_IOC_GET_DRV_STAT	BC_IOC_IOWR(DRV_CMD_GET_DRV_STAT, BC_IOCTL_MB)
-#define BCM_IOC_RST_DRV_STAT	BC_IOC_IOWR(DRV_CMD_RST_DRV_STAT, BC_IOCTL_MB)
-#define BCM_IOC_NOTIFY_MODE	BC_IOC_IOWR(DRV_CMD_NOTIFY_MODE, BC_IOCTL_MB)
-#define	BCM_IOC_FW_DOWNLOAD	BC_IOC_IOWR(DRV_CMD_FW_DOWNLOAD, BC_IOCTL_MB)
-#define BCM_IOC_CHG_CLK		BC_IOC_IOWR(DRV_CMD_CHANGE_CLOCK, BC_IOCTL_MB)
-#define	BCM_IOC_END		BC_IOC_VOID
-
-/* Wrapper for main IOCTL data */
-struct crystalhd_ioctl_data {
-	struct BC_IOCTL_DATA	udata;		/* IOCTL from App..*/
-	uint32_t		u_id;		/* Driver specific user ID */
-	uint32_t		cmd;		/* Cmd ID for driver's use. */
-	void	 *add_cdata;	/* Additional command specific data..*/
-	uint32_t add_cdata_sz;	/* Additional command specific data size */
-	struct crystalhd_ioctl_data *next;	/* List/Fifo management */
-};
-
-enum crystalhd_kmod_ver {
-	crystalhd_kmod_major	= 0,
-	crystalhd_kmod_minor	= 9,
-	crystalhd_kmod_rev	= 27,
-};
-
-#endif

drivers/staging/crystalhd/crystalhd.h

-#ifndef _CRYSTALHD_H_
-#define _CRYSTALHD_H_
-
-#include "bc_dts_defs.h"
-#include "crystalhd_misc.h"
-#include "bc_dts_glob_lnx.h"
-#include "crystalhd_hw.h"
-#include "crystalhd_cmds.h"
-#include "crystalhd_lnx.h"
-#include "bcm_70012_regs.h"
-#include "crystalhd_fw_if.h"
-
-#endif

drivers/staging/crystalhd/crystalhd_cmds.h

-/***************************************************************************
- * Copyright (c) 2005-2009, Broadcom Corporation.
- *
- *  Name: crystalhd_cmds . h
- *
- *  Description:
- *		BCM70010 Linux driver user command interfaces.
- *
- *  HISTORY:
- *
- **********************************************************************
- * This file is part of the crystalhd device driver.
- *
- * This driver 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, version 2 of the License.
- *
- * This driver 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this driver.  If not, see <http://www.gnu.org/licenses/>.
- **********************************************************************/
-
-#ifndef _CRYSTALHD_CMDS_H_
-#define _CRYSTALHD_CMDS_H_
-
-/*
- * NOTE:: This is the main interface file between the Linux layer
- *        and the hardware layer. This file will use the definitions
- *        from _dts_glob and dts_defs etc.. which are defined for
- *        windows.
- */
-
-#include "crystalhd.h"
-
-enum crystalhd_state {
-	BC_LINK_INVALID		= 0x00,
-	BC_LINK_INIT		= 0x01,
-	BC_LINK_CAP_EN		= 0x02,
-	BC_LINK_FMT_CHG		= 0x04,
-	BC_LINK_SUSPEND		= 0x10,
-	BC_LINK_PAUSED		= 0x20,
-	BC_LINK_READY	= (BC_LINK_INIT | BC_LINK_CAP_EN | BC_LINK_FMT_CHG),
-};
-
-struct crystalhd_user {
-	uint32_t	uid;
-	uint32_t	in_use;
-	uint32_t	mode;
-};
-
-#define DTS_MODE_INV	(-1)
-
-struct crystalhd_cmd {
-	uint32_t		state;
-	struct crystalhd_adp	*adp;
-	struct crystalhd_user	user[BC_LINK_MAX_OPENS];
-
-	spinlock_t		ctx_lock;
-	uint32_t		tx_list_id;
-	uint32_t		cin_wait_exit;
-	uint32_t		pwr_state_change;
-	struct crystalhd_hw	hw_ctx;
-};
-
-typedef enum BC_STATUS(*crystalhd_cmd_proc)(struct crystalhd_cmd *,
-					 struct crystalhd_ioctl_data *);
-
-struct crystalhd_cmd_tbl {
-	uint32_t		cmd_id;
-	const crystalhd_cmd_proc	cmd_proc;
-	uint32_t		block_mon;
-};
-
-enum BC_STATUS crystalhd_suspend(struct crystalhd_cmd *ctx,
-				 struct crystalhd_ioctl_data *idata);
-enum BC_STATUS crystalhd_resume(struct crystalhd_cmd *ctx);
-crystalhd_cmd_proc crystalhd_get_cmd_proc(struct crystalhd_cmd *ctx,
-				 uint32_t cmd, struct crystalhd_user *uc);
-enum BC_STATUS crystalhd_user_open(struct crystalhd_cmd *ctx,
-				 struct crystalhd_user **user_ctx);
-enum BC_STATUS crystalhd_user_close(struct crystalhd_cmd *ctx,
-				 struct crystalhd_user *uc);
-enum BC_STATUS crystalhd_setup_cmd_context(struct crystalhd_cmd *ctx,
-				 struct crystalhd_adp *adp);
-enum BC_STATUS crystalhd_delete_cmd_context(struct crystalhd_cmd *ctx);
-bool crystalhd_cmd_interrupt(struct crystalhd_cmd *ctx);
-
-#endif

drivers/staging/crystalhd/crystalhd_lnx.h

-/***************************************************************************
- * Copyright (c) 2005-2009, Broadcom Corporation.
- *
- *  Name: crystalhd_lnx . h
- *
- *  Description:
- *		BCM70012 Linux driver
- *
- *  HISTORY:
- *
- **********************************************************************
- * This file is part of the crystalhd device driver.
- *
- * This driver 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, version 2 of the License.
- *
- * This driver 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this driver.  If not, see <http://www.gnu.org/licenses/>.
- **********************************************************************/
-
-#ifndef _CRYSTALHD_LNX_H_
-#define _CRYSTALHD_LNX_H_
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/tty.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/fb.h>
-#include <linux/pci.h>
-#include <linux/interrupt.h>
-#include <linux/pagemap.h>
-#include <linux/vmalloc.h>
-
-#include <linux/io.h>
-#include <asm/irq.h>
-#include <asm/pgtable.h>
-#include <linux/uaccess.h>
-
-#include "crystalhd.h"
-
-#define CRYSTAL_HD_NAME		"Broadcom Crystal HD Decoder (BCM70012) Driver"
-
-/* OS specific PCI information structure and adapter information. */
-struct crystalhd_adp {
-	/* Hardware board/PCI specifics */
-	char			name[32];
-	struct pci_dev		*pdev;
-
-	unsigned long		pci_mem_start;
-	uint32_t		pci_mem_len;
-	void __iomem		*addr;
-
-	unsigned long		pci_i2o_start;
-	uint32_t		pci_i2o_len;
-	void __iomem		*i2o_addr;
-
-	unsigned int		drv_data;
-	unsigned int		dmabits;	/* 32 | 64 */
-	unsigned int		registered;
-	unsigned int		present;
-	unsigned int		msi;
-
-	spinlock_t		lock;
-
-	/* API Related */
-	int		chd_dec_major;
-	unsigned int		cfg_users;
-
-	struct crystalhd_ioctl_data	*idata_free_head; /* ioctl data pool */
-	struct crystalhd_elem	*elem_pool_head; /* Queue element pool */
-
-	struct crystalhd_cmd	cmds;
-
-	struct crystalhd_dio_req	*ua_map_free_head;
-	struct pci_pool		*fill_byte_pool;
-};
-
-
-struct crystalhd_adp *chd_get_adp(void);
-void chd_set_log_level(struct crystalhd_adp *adp, char *arg);
-
-#endif
-

drivers/staging/crystalhd/crystalhd_misc.h

-/***************************************************************************
- * Copyright (c) 2005-2009, Broadcom Corporation.
- *
- *  Name: crystalhd_misc . h
- *
- *  Description:
- *		BCM70012 Linux driver general purpose routines.
- *		Includes reg/mem read and write routines.
- *
- *  HISTORY:
- *
- **********************************************************************
- * This file is part of the crystalhd device driver.
- *
- * This driver 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, version 2 of the License.
- *
- * This driver 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this driver.  If not, see <http://www.gnu.org/licenses/>.
- **********************************************************************/
-
-#ifndef _CRYSTALHD_MISC_H_
-#define _CRYSTALHD_MISC_H_
-
-#include "crystalhd.h"
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/ioctl.h>
-#include <linux/dma-mapping.h>
-#include <linux/sched.h>
-#include "bc_dts_glob_lnx.h"
-
-/* Global log level variable defined in crystal_misc.c file */
-extern uint32_t g_linklog_level;
-
-/* Global element pool for all Queue management.
- * TX: Active = BC_TX_LIST_CNT, Free = BC_TX_LIST_CNT.
- * RX: Free = BC_RX_LIST_CNT, Active = 2
- * FW-CMD: 4
- */
-#define	BC_LINK_ELEM_POOL_SZ	((BC_TX_LIST_CNT * 2) + BC_RX_LIST_CNT + 2 + 4)
-
-/* Driver's IODATA pool count */
-#define	CHD_IODATA_POOL_SZ    (BC_IOCTL_DATA_POOL_SIZE * BC_LINK_MAX_OPENS)
-
-/* Scatter Gather memory pool size for Tx and Rx */
-#define BC_LINK_SG_POOL_SZ    (BC_TX_LIST_CNT + BC_RX_LIST_CNT)
-
-enum crystalhd_dio_sig {
-	crystalhd_dio_inv = 0,
-	crystalhd_dio_locked,
-	crystalhd_dio_sg_mapped,
-};
-
-struct crystalhd_dio_user_info {
-	void			*xfr_buff;
-	uint32_t		xfr_len;
-	uint32_t		uv_offset;
-	bool			dir_tx;
-
-	uint32_t		uv_sg_ix;
-	uint32_t		uv_sg_off;
-	int			comp_sts;
-	int			ev_sts;
-	uint32_t		y_done_sz;
-	uint32_t		uv_done_sz;
-	uint32_t		comp_flags;
-	bool			b422mode;
-};
-
-struct crystalhd_dio_req {
-	uint32_t			sig;
-	uint32_t			max_pages;
-	struct page			**pages;
-	struct scatterlist		*sg;
-	int				sg_cnt;
-	int				page_cnt;
-	int				direction;
-	struct crystalhd_dio_user_info	uinfo;
-	void				*fb_va;
-	uint32_t			fb_size;
-	dma_addr_t			fb_pa;
-	struct crystalhd_dio_req	*next;
-};
-
-#define BC_LINK_DIOQ_SIG	(0x09223280)
-
-struct crystalhd_elem {
-	struct crystalhd_elem	*flink;
-	struct crystalhd_elem	*blink;
-	void			*data;
-	uint32_t		tag;
-};
-
-typedef void (*crystalhd_data_free_cb)(void *context, void *data);
-
-struct crystalhd_dioq {
-	uint32_t		sig;
-	struct crystalhd_adp	*adp;
-	struct crystalhd_elem		*head;
-	struct crystalhd_elem		*tail;
-	uint32_t		count;
-	spinlock_t		lock;
-	wait_queue_head_t	event;
-	crystalhd_data_free_cb	data_rel_cb;
-	void			*cb_context;
-};
-
-typedef void (*hw_comp_callback)(struct crystalhd_dio_req *,
-				 wait_queue_head_t *event, enum BC_STATUS sts);
-
-/*========= Decoder (7412) register access routines.================= */
-uint32_t bc_dec_reg_rd(struct crystalhd_adp *, uint32_t);
-void bc_dec_reg_wr(struct crystalhd_adp *, uint32_t, uint32_t);
-
-/*========= Link (70012) register access routines.. =================*/
-uint32_t crystalhd_reg_rd(struct crystalhd_adp *, uint32_t);
-void crystalhd_reg_wr(struct crystalhd_adp *, uint32_t, uint32_t);
-
-/*========= Decoder (7412) memory access routines..=================*/
-enum BC_STATUS crystalhd_mem_rd(struct crystalhd_adp *,
-			 uint32_t, uint32_t, uint32_t *);
-enum BC_STATUS crystalhd_mem_wr(struct crystalhd_adp *,
-			 uint32_t, uint32_t, uint32_t *);
-
-/*==========Link (70012) PCIe Config access routines.================*/
-enum BC_STATUS crystalhd_pci_cfg_rd(struct crystalhd_adp *,
-			 uint32_t, uint32_t, uint32_t *);
-enum BC_STATUS crystalhd_pci_cfg_wr(struct crystalhd_adp *,
-			 uint32_t, uint32_t, uint32_t);
-
-/*========= Linux Kernel Interface routines. ======================= */
-void *bc_kern_dma_alloc(struct crystalhd_adp *, uint32_t, dma_addr_t *);
-void bc_kern_dma_free(struct crystalhd_adp *, uint32_t,
-		      void *, dma_addr_t);
-#define crystalhd_create_event(_ev)	init_waitqueue_head(_ev)
-#define crystalhd_set_event(_ev)		wake_up_interruptible(_ev)
-#define crystalhd_wait_on_event(ev, condition, timeout, ret, nosig)	\
-do {									\
-	DECLARE_WAITQUEUE(entry, current);				\
-	unsigned long end = jiffies + ((timeout * HZ) / 1000);		\
-		ret = 0;						\
-	add_wait_queue(ev, &entry);					\
-	for (;;) {							\
-		__set_current_state(TASK_INTERRUPTIBLE);		\
-		if (condition) {					\
-			break;						\
-		}							\
-		if (time_after_eq(jiffies, end)) {			\
-			ret = -EBUSY;					\
-			break;						\
-		}							\
-		schedule_timeout((HZ / 100 > 1) ? HZ / 100 : 1);	\
-		if (!nosig && signal_pending(current)) {		\
-			ret = -EINTR;					\
-			break;						\
-		}							\
-	}								\
-	__set_current_state(TASK_RUNNING);				\
-	remove_wait_queue(ev, &entry);					\
-} while (0)
-
-/*================ Direct IO mapping routines ==================*/
-extern int crystalhd_create_dio_pool(struct crystalhd_adp *, uint32_t);
-extern void crystalhd_destroy_dio_pool(struct crystalhd_adp *);
-extern enum BC_STATUS crystalhd_map_dio(struct crystalhd_adp *, void *,
-		 uint32_t, uint32_t, bool, bool, struct crystalhd_dio_req**);
-
-extern enum BC_STATUS crystalhd_unmap_dio(struct crystalhd_adp *,
-					 struct crystalhd_dio_req*);
-#define crystalhd_get_sgle_paddr(_dio, _ix) (sg_dma_address(&_dio->sg[_ix]))
-#define crystalhd_get_sgle_len(_dio, _ix) (sg_dma_len(&_dio->sg[_ix]))
-
-/*================ General Purpose Queues ==================*/
-extern enum BC_STATUS crystalhd_create_dioq(struct crystalhd_adp *,
-		 struct crystalhd_dioq **, crystalhd_data_free_cb , void *);
-extern void crystalhd_delete_dioq(struct crystalhd_adp *,
-		 struct crystalhd_dioq *);
-extern enum BC_STATUS crystalhd_dioq_add(struct crystalhd_dioq *ioq,
-		 void *data, bool wake, uint32_t tag);
-extern void *crystalhd_dioq_fetch(struct crystalhd_dioq *ioq);
-extern void *crystalhd_dioq_find_and_fetch(struct crystalhd_dioq *ioq,
-		 uint32_t tag);
-extern void *crystalhd_dioq_fetch_wait(struct crystalhd_dioq *ioq,
-		 uint32_t to_secs, uint32_t *sig_pend);
-
-#define crystalhd_dioq_count(_ioq)	((_ioq) ? _ioq->count : 0)
-
-extern int crystalhd_create_elem_pool(struct crystalhd_adp *, uint32_t);
-extern void crystalhd_delete_elem_pool(struct crystalhd_adp *);
-
-
-/*================ Debug routines/macros .. ================================*/
-extern void crystalhd_show_buffer(uint32_t off, uint8_t *buff,
-		 uint32_t dwcount);
-
-enum _chd_log_levels {
-	BCMLOG_ERROR		= 0x80000000,	/* Don't disable this option */
-	BCMLOG_DATA		= 0x40000000,	/* Data, enable by default */
-	BCMLOG_SPINLOCK		= 0x20000000,	/* Special case for Spin locks*/
-
-	/* Following are allowed only in debug mode */
-	BCMLOG_INFO		= 0x00000001,	/* Generic informational */
-	BCMLOG_DBG		= 0x00000002,	/* First level Debug info */
-	BCMLOG_SSTEP		= 0x00000004,	/* Stepping information */
-};
-
-
-#define BCMLOG(trace, fmt, args...)	\
-do {					\
-	if (g_linklog_level & trace)	\
-		printk(fmt, ##args);	\
-} while (0)
-
-
-#define BCMLOG_ERR(fmt, args...)				\
-do {								\
-	if (g_linklog_level & BCMLOG_ERROR)			\
-		pr_err("*ERR*:%s:%d: "fmt,			\
-				__FILE__, __LINE__, ##args);	\
-} while (0)
-
-#endif