path: root/drivers/media/dvb/siano/smscoreapi.h

/****************************************************************

Siano Mobile Silicon, Inc.
MDTV receiver kernel modules.
Copyright (C) 2006-2008, Uri Shkolnik, Anatoly Greenblat

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.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

****************************************************************/

#ifndef __SMS_CORE_API_H__
#define __SMS_CORE_API_H__

#include <linux/version.h>
#include <linux/device.h>
#include <linux/list.h>
#include <linux/mm.h>
#include <linux/scatterlist.h>
#include <linux/types.h>
#include <linux/mutex.h>
#include <linux/wait.h>
#include <linux/timer.h>

#include <asm/page.h>

#include "smsir.h"

#define kmutex_init(_p_) mutex_init(_p_)
#define kmutex_lock(_p_) mutex_lock(_p_)
#define kmutex_trylock(_p_) mutex_trylock(_p_)
#define kmutex_unlock(_p_) mutex_unlock(_p_)

#ifndef min
#define min(a, b) (((a) < (b)) ? (a) : (b))
#endif

#define SMS_PROTOCOL_MAX_RAOUNDTRIP_MS			(10000)
#define SMS_ALLOC_ALIGNMENT				128
#define SMS_DMA_ALIGNMENT				16
#define SMS_ALIGN_ADDRESS(addr) \
	((((uintptr_t)(addr)) + (SMS_DMA_ALIGNMENT-1)) & ~(SMS_DMA_ALIGNMENT-1))

#define SMS_DEVICE_FAMILY2				1
#define SMS_ROM_NO_RESPONSE				2
#define SMS_DEVICE_NOT_READY				0x8000000

enum sms_device_type_st {
	SMS_STELLAR = 0,
	SMS_NOVA_A0,
	SMS_NOVA_B0,
	SMS_VEGA,
	SMS_NUM_OF_DEVICE_TYPES
};

struct smscore_device_t;
struct smscore_client_t;
struct smscore_buffer_t;

typedef int (*hotplug_t)(struct smscore_device_t *coredev,
			 struct device *device, int arrival);

typedef int (*setmode_t)(void *context, int mode);
typedef void (*detectmode_t)(void *context, int *mode);
typedef int (*sendrequest_t)(void *context, void *buffer, size_t size);
typedef int (*loadfirmware_t)(void *context, void *buffer, size_t size);
typedef int (*preload_t)(void *context);
typedef int (*postload_t)(void *context);

typedef int (*onresponse_t)(void *context, struct smscore_buffer_t *cb);
typedef void (*onremove_t)(void *context);

struct smscore_buffer_t {
	/* public members, once passed to clients can be changed freely */
	struct list_head entry;
	int size;
	int offset;

	/* private members, read-only for clients */
	void *p;
	dma_addr_t phys;
	unsigned long offset_in_common;
};

struct smsdevice_params_t {
	struct device	*device;

	int				buffer_size;
	int				num_buffers;

	char			devpath[32];
	unsigned long	flags;

	setmode_t		setmode_handler;
	detectmode_t	detectmode_handler;
	sendrequest_t	sendrequest_handler;
	preload_t		preload_handler;
	postload_t		postload_handler;

	void			*context;
	enum sms_device_type_st device_type;
};

struct smsclient_params_t {
	int				initial_id;
	int				data_type;
	onresponse_t	onresponse_handler;
	onremove_t		onremove_handler;
	void			*context;
};

struct smscore_device_t {
	struct list_head entry;

	struct list_head clients;
	struct list_head subclients;
	spinlock_t clientslock;

	struct list_head buffers;
	spinlock_t bufferslock;
	int num_buffers;

	void *common_buffer;
	int common_buffer_size;
	dma_addr_t common_buffer_phys;

	void *context;
	struct device *device;

	char devpath[32];
	unsigned long device_flags;

	setmode_t setmode_handler;
	detectmode_t detectmode_handler;
	sendrequest_t sendrequest_handler;
	preload_t preload_handler;
	postload_t postload_handler;

	int mode, modes_supported;

	/* host <--> device messages */
	struct completion version_ex_done, data_download_done, trigger_done;
	struct completion init_device_done, reload_start_done, resume_done;
	struct completion gpio_configuration_done, gpio_set_level_done;
	struct completion gpio_get_level_done, ir_init_done;

	/* Buffer management */
	wait_queue_head_t buffer_mng_waitq;

	/* GPIO */
	int gpio_get_res;

	/* Target hardware board */
	int board_id;

	/* Firmware */
	u8 *fw_buf;
	u32 fw_buf_size;

	/* Infrared (IR) */
	struct ir_t ir;

	int led_state;
};

/* GPIO definitions for antenna frequency domain control (SMS8021) */
#define SMS_ANTENNA_GPIO_0					1
#define SMS_ANTENNA_GPIO_1					0

#define BW_8_MHZ							0
#define BW_7_MHZ							1
#define BW_6_MHZ							2
#define BW_5_MHZ							3
#define BW_ISDBT_1SEG						4
#define BW_ISDBT_3SEG						5

#define MSG_HDR_FLAG_SPLIT_MSG				4

#define MAX_GPIO_PIN_NUMBER					31

#define HIF_TASK							11
#define SMS_HOST_LIB						150
#define DVBT_BDA_CONTROL_MSG_ID				201

#define SMS_MAX_PAYLOAD_SIZE				240
#define SMS_TUNE_TIMEOUT					500

#define MSG_SMS_GPIO_CONFIG_REQ				507
#define MSG_SMS_GPIO_CONFIG_RES				508
#define MSG_SMS_GPIO_SET_LEVEL_REQ			509
#define MSG_SMS_GPIO_SET_LEVEL_RES			510
#define MSG_SMS_GPIO_GET_LEVEL_REQ			511
#define MSG_SMS_GPIO_GET_LEVEL_RES			512
#define MSG_SMS_RF_TUNE_REQ					561
#define MSG_SMS_RF_TUNE_RES					562
#define MSG_SMS_INIT_DEVICE_REQ				578
#define MSG_SMS_INIT_DEVICE_RES				579
#define MSG_SMS_ADD_PID_FILTER_REQ			601
#define MSG_SMS_ADD_PID_FILTER_RES			602
#define MSG_SMS_REMOVE_PID_FILTER_REQ			603
#define MSG_SMS_REMOVE_PID_FILTER_RES			604
#define MSG_SMS_DAB_CHANNEL				607
#define MSG_SMS_GET_PID_FILTER_LIST_REQ			608
#define MSG_SMS_GET_PID_FILTER_LIST_RES			609
#define MSG_SMS_GET_STATISTICS_RES			616
#define MSG_SMS_GET_STATISTICS_REQ			615
#define MSG_SMS_HO_PER_SLICES_IND			630
#define MSG_SMS_SET_ANTENNA_CONFIG_REQ			651
#define MSG_SMS_SET_ANTENNA_CONFIG_RES			652
#define MSG_SMS_SLEEP_RESUME_COMP_IND			655
#define MSG_SMS_DATA_DOWNLOAD_REQ			660
#define MSG_SMS_DATA_DOWNLOAD_RES			661
#define MSG_SMS_SWDOWNLOAD_TRIGGER_REQ		664
#define MSG_SMS_SWDOWNLOAD_TRIGGER_RES		665
#define MSG_SMS_SWDOWNLOAD_BACKDOOR_REQ		666
#define MSG_SMS_SWDOWNLOAD_BACKDOOR_RES		667
#define MSG_SMS_GET_VERSION_EX_REQ			668
#define MSG_SMS_GET_VERSION_EX_RES			669
#define MSG_SMS_SET_CLOCK_OUTPUT_REQ		670
#define MSG_SMS_I2C_SET_FREQ_REQ			685
#define MSG_SMS_GENERIC_I2C_REQ				687
#define MSG_SMS_GENERIC_I2C_RES				688
#define MSG_SMS_DVBT_BDA_DATA				693
#define MSG_SW_RELOAD_REQ					697
#define MSG_SMS_DATA_MSG					699
#define MSG_SW_RELOAD_START_REQ				702
#define MSG_SW_RELOAD_START_RES				703
#define MSG_SW_RELOAD_EXEC_REQ				704
#define MSG_SW_RELOAD_EXEC_RES				705
#define MSG_SMS_SPI_INT_LINE_SET_REQ		710
#define MSG_SMS_GPIO_CONFIG_EX_REQ			712
#define MSG_SMS_GPIO_CONFIG_EX_RES			713
#define MSG_SMS_ISDBT_TUNE_REQ				776
#define MSG_SMS_ISDBT_TUNE_RES				777
#define MSG_SMS_TRANSMISSION_IND			782
#define MSG_SMS_START_IR_REQ				800
#define MSG_SMS_START_IR_RES				801
#define MSG_SMS_IR_SAMPLES_IND				802
#define MSG_SMS_SIGNAL_DETECTED_IND			827
#define MSG_SMS_NO_SIGNAL_IND				828

#define SMS_INIT_MSG_EX(ptr, type, src, dst, len) do { \
	(ptr)->msgType = type; (ptr)->msgSrcId = src; (ptr)->msgDstId = dst; \
	(ptr)->msgLength = len; (ptr)->msgFlags = 0; \
} while (0)

#define SMS_INIT_MSG(ptr, type, len) \
	SMS_INIT_MSG_EX(ptr, type, 0, HIF_TASK, len)

enum SMS_DVB3_EVENTS {
	DVB3_EVENT_INIT = 0,
	DVB3_EVENT_SLEEP,
	DVB3_EVENT_HOTPLUG,
	DVB3_EVENT_FE_LOCK,
	DVB3_EVENT_FE_UNLOCK,
	DVB3_EVENT_UNC_OK,
	DVB3_EVENT_UNC_ERR
};

enum SMS_DEVICE_MODE {
	DEVICE_MODE_NONE = -1,
	DEVICE_MODE_DVBT = 0,
	DEVICE_MODE_DVBH,
	DEVICE_MODE_DAB_TDMB,
	DEVICE_MODE_DAB_TDMB_DABIP,
	DEVICE_MODE_DVBT_BDA,
	DEVICE_MODE_ISDBT,
	DEVICE_MODE_ISDBT_BDA,
	DEVICE_MODE_CMMB,
	DEVICE_MODE_RAW_TUNER,
	DEVICE_MODE_MAX,
};

struct SmsMsgHdr_ST {
	u16	msgType;
	u8	msgSrcId;
	u8	msgDstId;
	u16	msgLength; /* Length of entire message, including header */
	u16	msgFlags;
};

struct SmsMsgData_ST {
	struct SmsMsgHdr_ST xMsgHeader;
	u32 msgData[1];
};

struct SmsMsgData_ST2 {
	struct SmsMsgHdr_ST xMsgHeader;
	u32 msgData[2];
};

struct SmsDataDownload_ST {
	struct SmsMsgHdr_ST	xMsgHeader;
	u32			MemAddr;
	u8			Payload[SMS_MAX_PAYLOAD_SIZE];
};

struct SmsVersionRes_ST {
	struct SmsMsgHdr_ST	xMsgHeader;

	u16		ChipModel; /* e.g. 0x1102 for SMS-1102 "Nova" */
	u8		Step; /* 0 - Step A */
	u8		MetalFix; /* 0 - Metal 0 */

	/* FirmwareId 0xFF if ROM, otherwise the
	 * value indicated by SMSHOSTLIB_DEVICE_MODES_E */
	u8 FirmwareId;
	/* SupportedProtocols Bitwi