Re: [PATCH 12/17]DVB:Siano drivers - Improve firmware load and reload mechanism.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Em 20-09-2011 07:31, Doron Cohen escreveu:
> Hi,
> This patch step Improve firmware load and reload mechanism in order to
> support new siano devices and match all existing devices.
> 
> Thanks,
> Doron Cohen
> 
> -----------------------
> 
>>From 59062b9fbc2f3c28cbb1ec014c6ed5a3e065a7de Mon Sep 17 00:00:00 2001
> From: Doron Cohen <doronc@xxxxxxxxxxxx>
> Date: Tue, 20 Sep 2011 08:22:29 +0300
> Subject: [PATCH 16/21] Improve firmware load and reload mechanism in
> order to support new siano devices and match all existing devices.
> 
> ---
>  drivers/media/dvb/siano/smscoreapi.c |  530
> +++++++++++++++++++++++++++-------
>  1 files changed, 423 insertions(+), 107 deletions(-)
> 
> diff --git a/drivers/media/dvb/siano/smscoreapi.c
> b/drivers/media/dvb/siano/smscoreapi.c
> index db24391..e50e356 100644
> --- a/drivers/media/dvb/siano/smscoreapi.c
> +++ b/drivers/media/dvb/siano/smscoreapi.c
> @@ -312,6 +312,7 @@ smscore_buffer_t *smscore_createbuffer(u8 *buffer,
> void *common_buffer,
>  	cb->p = buffer;
>  	cb->offset_in_common = buffer - (u8 *) common_buffer;
>  	cb->phys = common_buffer_phys + cb->offset_in_common;
> +	cb->offset=0;
>  
>  	return cb;
>  }
> @@ -352,6 +353,7 @@ int smscore_register_device(struct
> smsdevice_params_t *params,
>  	/* init completion events */
>  	init_completion(&dev->version_ex_done);
>  	init_completion(&dev->data_download_done);
> +	init_completion(&dev->data_validity_done);
>  	init_completion(&dev->trigger_done);
>  	init_completion(&dev->init_device_done);
>  	init_completion(&dev->reload_start_done);
> @@ -360,6 +362,7 @@ int smscore_register_device(struct
> smsdevice_params_t *params,
>  	init_completion(&dev->gpio_set_level_done);
>  	init_completion(&dev->gpio_get_level_done);
>  	init_completion(&dev->ir_init_done);
> +	init_completion(&dev->device_ready_done);
>  
>  	/* Buffer management */
>  	init_waitqueue_head(&dev->buffer_mng_waitq);
> @@ -426,7 +429,13 @@ EXPORT_SYMBOL_GPL(smscore_register_device);
>  
>  static int smscore_sendrequest_and_wait(struct smscore_device_t
> *coredev,
>  		void *buffer, size_t size, struct completion *completion) {
> -	int rc = coredev->sendrequest_handler(coredev->context, buffer, size);
> +	int rc;
> +
> +	if (completion == NULL)
> +		return -EINVAL;
> +	init_completion(completion);
> +
> +	rc = coredev->sendrequest_handler(coredev->context, buffer, size);
>  	if (rc < 0) {
>  		sms_info("sendrequest returned error %d", rc);
>  		return rc;
> @@ -535,7 +544,8 @@ static int smscore_load_firmware_family2(struct
> smscore_device_t *coredev,
>  {
>  	struct SmsFirmware_ST *firmware = (struct SmsFirmware_ST *) buffer;
>  	struct SmsMsgHdr_S *msg;
> -	u32 mem_address;
> +	u32 mem_address,  calc_checksum = 0;
> +	u32 i, *ptr;
>  	u8 *payload = firmware->Payload;
>  	int rc = 0;
>  	firmware->StartAddress = le32_to_cpu(firmware->StartAddress);
> @@ -563,9 +573,17 @@ static int smscore_load_firmware_family2(struct
> smscore_device_t *coredev,
>  		rc = smscore_sendrequest_and_wait(coredev, msg,
>  						  msg->msgLength,
>  						  &coredev->reload_start_done);
> +
> +		if (rc < 0) {				
> +			sms_err("device reload failed, rc %d", rc);
> +			goto exit_fw_download;
> +		}
> +
>  		mem_address = *(u32 *) &payload[20];
>  	}
>  
> +	for (i = 0, ptr = (u32*)firmware->Payload; i < firmware->Length/4 ; i
> ++, ptr++)
> +		calc_checksum += *ptr;
>  	while (size && rc >= 0) {
>  		struct SmsDataDownload_S *DataMsg =
>  			(struct SmsDataDownload_S *) msg;
> @@ -578,14 +596,9 @@ static int smscore_load_firmware_family2(struct
> smscore_device_t *coredev,
>  		DataMsg->MemAddr = mem_address;
>  		memcpy(DataMsg->Payload, payload, payload_size);
>  
> -		if ((coredev->device_flags & SMS_ROM_NO_RESPONSE) &&
> -		    (coredev->mode == SMSHOSTLIB_DEVMD_NONE))
> -			rc = coredev->sendrequest_handler(
> -				coredev->context, DataMsg,
> -				DataMsg->xMsgHeader.msgLength);
> -		else
> -			rc = smscore_sendrequest_and_wait(
> -				coredev, DataMsg,
> +
> +	
> +		rc = smscore_sendrequest_and_wait(coredev, DataMsg,
>  				DataMsg->xMsgHeader.msgLength,
>  				&coredev->data_download_done);
>  
> @@ -594,44 +607,63 @@ static int smscore_load_firmware_family2(struct
> smscore_device_t *coredev,
>  		mem_address += payload_size;
>  	}
>  
> -	if (rc >= 0) {
> +	if (rc < 0) 		
> +		goto exit_fw_download;
> +
> +	sms_err("sending MSG_SMS_DATA_VALIDITY_REQ expecting 0x%x",
> calc_checksum);
> +	SMS_INIT_MSG(msg, MSG_SMS_DATA_VALIDITY_REQ,
> +			sizeof(struct SmsMsgHdr_S) +
> +			sizeof(u32) * 3);
> +	((struct SmsMsgData_S *)msg)->msgData[0] = firmware->StartAddress;
> +		/* Entry point */
> +	((struct SmsMsgData_S *)msg)->msgData[1] = firmware->Length;
> +	((struct SmsMsgData_S *)msg)->msgData[2] = 0; /* Regular checksum*/
> +	smsendian_handle_tx_message((struct SmsMsgHdr_S *)msg);
> +	rc = smscore_sendrequest_and_wait(coredev, msg,	((struct SmsMsgData_S
> *)msg)->xMsgHeader.msgLength, &coredev->data_validity_done);
> +	if (rc < 0) 		
> +		goto exit_fw_download;
> +
> +
>  		if (coredev->mode == SMSHOSTLIB_DEVMD_NONE) {
>  			struct SmsMsgData_S *TriggerMsg =
>  				(struct SmsMsgData_S *) msg;
>  
> +		        sms_debug("sending MSG_SMS_SWDOWNLOAD_TRIGGER_REQ");
>  			SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ,
>  				     sizeof(struct SmsMsgHdr_S) +
>  				     sizeof(u32) * 5);
>  
>  			TriggerMsg->msgData[0] = firmware->StartAddress;
>  						/* Entry point */
> -			TriggerMsg->msgData[1] = 5; /* Priority */
> +		TriggerMsg->msgData[1] = 6; /* Priority */
>  			TriggerMsg->msgData[2] = 0x200; /* Stack size */
>  			TriggerMsg->msgData[3] = 0; /* Parameter */
>  			TriggerMsg->msgData[4] = 4; /* Task ID */
>  
> -			if (coredev->device_flags & SMS_ROM_NO_RESPONSE) {
> -				rc = coredev->sendrequest_handler(
> -					coredev->context, TriggerMsg,
> -					TriggerMsg->xMsgHeader.msgLength);
> -				msleep(100);
> -			} else
> -				rc = smscore_sendrequest_and_wait(
> -					coredev, TriggerMsg,
> +		smsendian_handle_tx_message((struct SmsMsgHdr_S *)msg);
> +		rc = smscore_sendrequest_and_wait(coredev,
> +			TriggerMsg,
>  					TriggerMsg->xMsgHeader.msgLength,
>  					&coredev->trigger_done);
>  		} else {
>  			SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ,
>  				     sizeof(struct SmsMsgHdr_S));
> -
> -			rc = coredev->sendrequest_handler(coredev->context,
> -							  msg, msg->msgLength);
> -		}
> -		msleep(500);
> +		smsendian_handle_tx_message((struct SmsMsgHdr_S *)msg);
> +		rc = coredev->sendrequest_handler(coredev->context, msg,
> +				msg->msgLength);
>  	}
>  
> -	sms_debug("rc=%d, postload=%p ", rc,
> -		  coredev->postload_handler);
> +	if (rc < 0)
> +		goto exit_fw_download;
> +			
> +	/*
> +	 * backward compatibility - wait to device_ready_done for
> +	 * not more than 400 ms
> +	 */
> +	msleep(400);
> +
> +exit_fw_download:
> +	sms_debug("rc=%d, postload=0x%p ", rc, coredev->postload_handler);
>  
>  	kfree(msg);
>  
> @@ -653,42 +685,211 @@ static int smscore_load_firmware_family2(struct
> smscore_device_t *coredev,
>   * @return 0 on success, <0 on error.
>   */
>  static int smscore_load_firmware_from_file(struct smscore_device_t
> *coredev,
> -					   char *filename,
> -					   loadfirmware_t loadfirmware_handler)
> -{
> +		int mode, int lookup, loadfirmware_t loadfirmware_handler) {
>  	int rc = -ENOENT;
> +	u8 *fw_buf;
> +	u32 fw_buf_size;
> +
> +#ifdef REQUEST_FIRMWARE_SUPPORTED

NACK. request_firmware should always be there for devices that have firmware.

>  	const struct firmware *fw;
> -	u8 *fw_buffer;
>  
> -	if (loadfirmware_handler == NULL && !(coredev->device_flags &
> -					      SMS_DEVICE_FAMILY2))
> +	char* fw_filename = smscore_get_fw_filename(coredev, mode, lookup);
> +	if (!strcmp(fw_filename,"none"))
> +		return -ENOENT;
> +
> +	if (loadfirmware_handler == NULL && !(coredev->device_flags
> +			& SMS_DEVICE_FAMILY2))
>  		return -EINVAL;
>  
> -	rc = request_firmware(&fw, filename, coredev->device);
> +	rc = request_firmware(&fw, fw_filename, coredev->device);
>  	if (rc < 0) {
> -		sms_info("failed to open \"%s\"", filename);
> +		sms_info("failed to open \"%s\"", fw_filename);
>  		return rc;
>  	}
> -	sms_info("read FW %s, size=%zd", filename, fw->size);
> -	fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT),
> +	sms_info("read fw %s, buffer size=0x%x", fw_filename, fw->size);
> +	fw_buf = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT),
>  			    GFP_KERNEL | GFP_DMA);
> -	if (fw_buffer) {
> -		memcpy(fw_buffer, fw->data, fw->size);
> +	if (!fw_buf) {
> +		sms_info("failed to allocate firmware buffer");
> +		return -ENOMEM;
> +	}
> +	memcpy(fw_buf, fw->data, fw->size);
> +	fw_buf_size = fw->size;
> +#else
> +	if (!coredev->fw_buf) {
> +		sms_info("missing fw file buffer");
> +		return -EINVAL;
> +	}
> +	fw_buf = coredev->fw_buf;
> +	fw_buf_size = coredev->fw_buf_size;
> +#endif
>  
>  		rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ?
> -		      smscore_load_firmware_family2(coredev,
> -						    fw_buffer,
> -						    fw->size) :
> -		      loadfirmware_handler(coredev->context,
> -					   fw_buffer, fw->size);
> +		smscore_load_firmware_family2(coredev, fw_buf, fw_buf_size)
> +		: loadfirmware_handler(coredev->context, fw_buf,
> +		fw_buf_size);
> +
> +	kfree(fw_buf);
> +
> +#ifdef REQUEST_FIRMWARE_SUPPORTED
> +	release_firmware(fw);
> +#else
> +	coredev->fw_buf = NULL;
> +	coredev->fw_buf_size = 0;
> +#endif
> +	return rc;
> +}
> +
> +/**
> + * Send chunk of firmware data using SMS MSGs
> + * The motivation is to eliminate the need of big memory allocation in
> kernel for firmware
> + * download.
> + *
> + * @param coredev pointer to a coredev object returned by
> + *                smscore_register_device
> + * @param buffer  pointer to a buffer
> + * @param size    size of buffer
> + *
> + * @return 0 on success, <0 on error.
> + */
> +int smscore_send_fw_chunk(struct smscore_device_t *coredev,
> +		void *buffer, size_t size) 
> +{
> +
> +	struct SmsMsgHdr_S *msg;
> +	int rc = 0;
> +	int offset = 0;
> +	
> +	if (buffer == NULL)
> +	{
> +		sms_debug("Error: NULL buffer");
> +		return -1;
> +	}
> +	
> +	/* First chunk */
> +	if (coredev->start_address == 0)
> +	{
> +		struct SmsFirmware_ST *firmware = (struct SmsFirmware_ST *) buffer;
> +		coredev->start_address = le32_to_cpu(firmware->StartAddress);
> +		coredev->current_address = coredev->start_address;
> +		offset = 12;
> +		size -= 12;
> +		
> +		if (coredev->preload_handler) 
> +		{
> +			rc = coredev->preload_handler(coredev->context);
> +			if (rc < 0)
> +				return rc;
> +		}
> +	}
> +		
> +	/* PAGE_SIZE buffer shall be enough and dma aligned */
> +	msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA);
> +	if (!msg)
> +		return -ENOMEM;
> +		
> +	while (size && rc >= 0) {
> +		int payload_size;
> +		struct SmsDataDownload_S *DataMsg;
> +		sms_debug("sending MSG_SMS_DATA_DOWNLOAD_REQ");
> +		DataMsg = (struct SmsDataDownload_S *) msg;
> +		payload_size = min((int)size, SMS_MAX_PAYLOAD_SIZE);
>  
> -		kfree(fw_buffer);
> +		SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ,
> +				(u16) (sizeof(struct SmsMsgHdr_S) +
> +						sizeof(u32) + payload_size));
> +
> +		DataMsg->MemAddr = coredev->current_address;
> +		copy_from_user(DataMsg->Payload, (u8*)(buffer + offset),
> payload_size);
> +
> +		smsendian_handle_tx_message((struct SmsMsgHdr_S *)msg);
> +		rc = smscore_sendrequest_and_wait(coredev, DataMsg,
> +			DataMsg->xMsgHeader.msgLength,
> +			&coredev->data_download_done);
> +
> +		size -= payload_size;
> +		offset += payload_size;
> +		coredev->current_address += payload_size;
> +	}
> +
> +	kfree(msg);
> +
> +	return rc;
> +}
> +EXPORT_SYMBOL_GPL(smscore_send_fw_chunk);
> +
> +
> +/**
> + * Send last chunk of firmware data using SMS MSGs
> + *
> + * @param coredev pointer to a coredev object returned by
> + *                smscore_register_device
> + * @param buffer  pointer to a buffer
> + * @param size    size of buffer
> + *
> + * @return 0 on success, <0 on error.
> + */
> +int smscore_send_last_fw_chunk(struct smscore_device_t *coredev,
> +		void *buffer, size_t size) 
> +{
> +	int rc = 0;
> +	struct SmsMsgHdr_S *msg;
> +	
> +	rc = smscore_send_fw_chunk(coredev, buffer, size);
> +	if (rc < 0)
> +		return rc;
> +	
> +	/* PAGE_SIZE buffer shall be enough and dma aligned */
> +	msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA);
> +	if (!msg)
> +		return -ENOMEM;
> +	
> +	if (coredev->mode == SMSHOSTLIB_DEVMD_NONE) {
> +		struct SmsMsgData_S *TriggerMsg =
> +				(struct SmsMsgData_S *) msg;
> +
> +		sms_debug("sending MSG_SMS_SWDOWNLOAD_TRIGGER_REQ");
> +		SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ,
> +				sizeof(struct SmsMsgHdr_S) +
> +				sizeof(u32) * 5);
> +
> +		TriggerMsg->msgData[0] = coredev->start_address;
> +		/* Entry point */
> +		TriggerMsg->msgData[1] = 6; /* Priority */
> +		TriggerMsg->msgData[2] = 0x200; /* Stack size */
> +		TriggerMsg->msgData[3] = 0; /* Parameter */
> +		TriggerMsg->msgData[4] = 4; /* Task ID */
> +
> +		smsendian_handle_tx_message((struct SmsMsgHdr_S *)msg);
> +		rc = smscore_sendrequest_and_wait(coredev,
> +			TriggerMsg,
> +			TriggerMsg->xMsgHeader.msgLength,
> +			&coredev->trigger_done);
>  	} else {
> -		sms_info("failed to allocate firmware buffer");
> -		rc = -ENOMEM;
> +		SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ,
> +				sizeof(struct SmsMsgHdr_S));
> +		smsendian_handle_tx_message((struct SmsMsgHdr_S *)msg);
> +		rc = coredev->sendrequest_handler(coredev->context, msg,
> +				msg->msgLength);
>  	}
>  
> -	release_firmware(fw);
> +	/* clear start_address */
> +	coredev->start_address = 0;
> +
> +	if (rc < 0)
> +		goto exit_fw_download;
> +			
> +	/*
> +	 * backward compatibility - wait to device_ready_done for
> +	 * not more than 400 ms
> +	 */
> +	wait_for_completion_timeout(&coredev->device_ready_done,
> +			msecs_to_jiffies(400));		
> +
> +exit_fw_download:
> +	sms_debug("rc=%d, postload=0x%p ", rc, coredev->postload_handler);
> +
> +	kfree(msg);
>  
>  	return rc;
>  }
> @@ -712,6 +913,7 @@ void smscore_unregister_device(struct
> smscore_device_t *coredev)
>  
>  	/* Release input device (IR) resources */
>  #ifdef SMS_RC_SUPPORT_SUBSYS
> +	/* Release input device (IR) resources */
>  	sms_ir_exit(coredev);
>  #endif /*SMS_RC_SUPPORT_SUBSYS*/
>  	smscore_notify_clients(coredev);
> @@ -737,7 +939,9 @@ void smscore_unregister_device(struct
> smscore_device_t *coredev)
>  
>  		sms_info("waiting for %d buffer(s)",
>  			 coredev->num_buffers - num_buffers);
> +		kmutex_unlock(&g_smscore_deviceslock);

kmutex_unlock??? Don't re-define a function that already exists at the
Linux Kernel.

>  		msleep(100);
> +		kmutex_lock(&g_smscore_deviceslock);
>  	}
>  
>  	sms_info("freed %d buffers", num_buffers);
> @@ -800,30 +1004,106 @@ static int smscore_detect_mode(struct
> smscore_device_t *coredev)
>  }
>  
>  static char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = {
> -	/*Stellar		NOVA A0		Nova B0		VEGA*/
> +/*Stellar, NOVA A0, Nova B0, VEGA, VENICE, MING, PELE, RIO,
> DENVER_1530, DENVER_2160*/
>  	/*DVBT*/
> -	{"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"},
> +{ "none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none",
> "none", "none", "none", "dvb_rio.inp", "none", "none" },
>  	/*DVBH*/
> -	{"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"},
> +{ "none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none",
> "none", "none", "none", "dvbh_rio.inp", "none", "none" },
>  	/*TDMB*/
> -	{"none", "tdmb_nova_12mhz.inp", "tdmb_nova_12mhz_b0.inp", "none"},
> +{ "none", "tdmb_nova_12mhz.inp", "tdmb_nova_12mhz_b0.inp", "none",
> "none", "none", "none", "none", "none", "tdmb_denver.inp" },
>  	/*DABIP*/
> -	{"none", "none", "none", "none"},
> -	/*BDA*/
> -	{"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"},
> +{ "none", "none", "none", "none", "none", "none", "none", "none",
> "none", "none" },
> +/*DVBT_BDA*/
> +{ "none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none",
> "none", "none", "none", "dvb_rio.inp", "none", "none" },
>  	/*ISDBT*/
> -	{"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"},
> -	/*ISDBTBDA*/
> -	{"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"},
> +{ "none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none",
> "none", "none", "isdbt_pele.inp", "isdbt_rio.inp", "none", "none" },
> +/*ISDBT_BDA*/
> +{ "none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none",
> "none", "none", "isdbt_pele.inp", "isdbt_rio.inp", "none", "none" },
>  	/*CMMB*/
> -	{"none", "none", "none", "cmmb_vega_12mhz.inp"}
> +{ "none", "none", "none", "cmmb_vega_12mhz.inp",
> "cmmb_venice_12mhz.inp", "cmmb_ming_app.inp", "none", "none", "none",
> "none" },
> +/*RAW - not supported*/
> +{ "none", "none", "none", "none", "none", "none", "none", "none",
> "none", "none" },
> +/*FM*/
> +{ "none", "none", "fm_radio.inp", "none", "none", "none", "none",
> "fm_radio_rio.inp", "none", "none" },
> +/*FM_BDA*/
> +{ "none", "none", "fm_radio.inp", "none", "none", "none", "none",
> "fm_radio_rio.inp", "none", "none" },
> +/*ATSC*/
> +{ "none", "none", "none", "none", "none", "none", "none", "none",
> "atsc_denver.inp", "none" }
>  };
>  
> -static inline char *sms_get_fw_name(struct smscore_device_t *coredev,
> -				    int mode, enum sms_device_type_st type)
> +/**
> + * get firmware file name from one of the two mechanisms : sms_boards
> or 
> + * smscore_fw_lkup.
> +
> + * @param coredev pointer to a coredev object returned by
> + * 		  smscore_register_device
> + * @param mode requested mode of operation
> + * @param lookup if 1, always get the fw filename from smscore_fw_lkup 
> + * 	 table. if 0, try first to get from sms_boards
> + *
> + * @return 0 on success, <0 on error.
> + */
> +char *smscore_get_fw_filename(struct smscore_device_t *coredev, int
> mode, int lookup) {
> +	char **fw;
> +	int board_id = smscore_get_board_id(coredev);
> +	enum sms_device_type_st type =
> smscore_registry_gettype(coredev->devpath); 
> +
> +	if ( (board_id == SMS_BOARD_UNKNOWN) || 
> +	     (lookup == 1) ) {
> +		sms_debug("trying to get fw name from lookup table mode %d type %d",
> mode, type);
> +		return smscore_fw_lkup[mode][type];
> +	}
> +	
> +	sms_debug("trying to get fw name from sms_boards board_id %d mode %d",
> board_id, mode);
> +	fw = sms_get_board(board_id)->fw;
> +	if (fw == NULL) {
> +		sms_debug("cannot find fw name in sms_boards, getting from lookup
> table mode %d type %d", mode, type);
> +		return smscore_fw_lkup[mode][type];
> +	}
> +
> +	if (fw[mode] == NULL) {
> +		sms_debug("cannot find fw name in sms_boards, getting from lookup
> table mode %d type %d", mode, type);
> +		return smscore_fw_lkup[mode][type];
> +	}
> +
> +	return fw[mode];
> +}
> +
> +/**
> + * send init device request and wait for response
> + *
> + * @param coredev pointer to a coredev object returned by
> + *                smscore_register_device
> + * @param mode requested mode of operation
> + *
> + * @return 0 on success, <0 on error.
> + */
> +int smscore_init_device(struct smscore_device_t *coredev, int mode)
>  {
> -	char **fw = sms_get_board(smscore_get_board_id(coredev))->fw;
> -	return (fw && fw[mode]) ? fw[mode] : smscore_fw_lkup[mode][type];
> +	void* buffer;
> +	struct SmsMsgData_S *msg;
> +	int rc = 0;
> +
> +	buffer = kmalloc(sizeof(struct SmsMsgData_S) +
> +			SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA);
> +	if (!buffer) {
> +		sms_err("Could not allocate buffer for "
> +				"init device message.");
> +		return -ENOMEM;
> +	}
> +
> +	msg = (struct SmsMsgData_S *)SMS_ALIGN_ADDRESS(buffer);
> +	SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ,
> +			sizeof(struct SmsMsgData_S));
> +	msg->msgData[0] = mode;
> +
> +	smsendian_handle_tx_message((struct SmsMsgHdr_S *)msg);
> +	rc = smscore_sendrequest_and_wait(coredev, msg,
> +			msg->xMsgHeader. msgLength,
> +			&coredev->init_device_done);
> +
> +	kfree(buffer);
> +	return rc;
>  }
>  
>  /**
> @@ -838,13 +1118,11 @@ static inline char *sms_get_fw_name(struct
> smscore_device_t *coredev,
>   */
>  int smscore_set_device_mode(struct smscore_device_t *coredev, int mode)
>  {
> -	void *buffer;
>  	int rc = 0;
> -	enum sms_device_type_st type;
>  
>  	sms_debug("set device mode to %d", mode);
>  	if (coredev->device_flags & SMS_DEVICE_FAMILY2) {
> -		if (mode < SMSHOSTLIB_DEVMD_DVBT || mode >=
> SMSHOSTLIB_DEVMD_RAW_TUNER) {
> +		if (mode < SMSHOSTLIB_DEVMD_DVBT || mode >= SMSHOSTLIB_DEVMD_MAX) {
>  			sms_err("invalid mode specified %d", mode);
>  			return -EINVAL;
>  		}
> @@ -865,56 +1143,35 @@ int smscore_set_device_mode(struct
> smscore_device_t *coredev, int mode)
>  		}
>  
>  		if (!(coredev->modes_supported & (1 << mode))) {
> -			char *fw_filename;
> +			rc = smscore_load_firmware_from_file(coredev, mode, 0, NULL);
>  
> -			type = smscore_registry_gettype(coredev->devpath);
> -			fw_filename = sms_get_fw_name(coredev, mode, type);
> -
> -			rc = smscore_load_firmware_from_file(coredev,
> -							     fw_filename, NULL);
> +			/* 
> +			* try again with the default firmware -
> +			* get the fw filename from look-up table
> +			*/
>  			if (rc < 0) {
> -				sms_debug("error %d loading firmware: %s, "
> -					 "trying again with default firmware",
> -					 rc, fw_filename);
> -
> -				/* try again with the default firmware */
> -				fw_filename = smscore_fw_lkup[mode][type];
> -				rc = smscore_load_firmware_from_file(coredev,
> -							     fw_filename, NULL);
> +				sms_debug("error %d loading firmware, "
> +					"trying again with default firmware", rc);
> +				rc = smscore_load_firmware_from_file(coredev, mode, 1, NULL);
> +			}
>  
>  				if (rc < 0) {
> -				        sms_debug("error %d loading firmware", rc);
> +				sms_debug("error %d loading firmware", rc);
>  					return rc;
>  				}
> -			}
> -			sms_log("firmware download success: %s", fw_filename);
> -		} else
> -			sms_info("mode %d supported by running "
> -				 "firmware", mode);
>  
> -		buffer = kmalloc(sizeof(struct SmsMsgData_S) +
> -				 SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA);
> -		if (buffer) {
> -			struct SmsMsgData_S *msg =
> -				(struct SmsMsgData_S *)
> -					SMS_ALIGN_ADDRESS(buffer);
> -
> -			SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ,
> -				     sizeof(struct SmsMsgData_S));
> -			msg->msgData[0] = mode;
> -
> -			rc = smscore_sendrequest_and_wait(
> -				coredev, msg, msg->xMsgHeader.msgLength,
> -				&coredev->init_device_done);
> -
> -			kfree(buffer);
> +			sms_info("firmware download success");
>  		} else {
> -			sms_err("Could not allocate buffer for "
> -				"init device message.");
> -			rc = -ENOMEM;
> +			sms_info("mode %d is already supported by running "
> +					"firmware", mode);
> +			}
> +
> +		rc = smscore_init_device(coredev, mode);
> +		if (rc < 0) {
> +			sms_err("device init failed, rc %d.", rc);
>  		}
>  	} else {
> -		if (mode < SMSHOSTLIB_DEVMD_DVBT || mode > SMSHOSTLIB_DEVMD_DVBT_BDA)
> {
> +		if (mode < SMSHOSTLIB_DEVMD_DVBT || mode >= SMSHOSTLIB_DEVMD_MAX) {
>  			sms_err("invalid mode specified %d", mode);
>  			return -EINVAL;
>  		}
> @@ -943,6 +1200,58 @@ int smscore_set_device_mode(struct
> smscore_device_t *coredev, int mode)
>  		sms_err("return error code %d.", rc);
>  	return rc;
>  }
> +EXPORT_SYMBOL_GPL(smscore_set_device_mode);
> +
> +/**
> + * configures device features according to voard configuration
> structure.
> + *
> + * @param coredev pointer to a coredev object returned by
> + *                smscore_register_device
> + *
> + * @return 0 on success, <0 on error.
> + */
> +int smscore_configure_board(struct smscore_device_t *coredev) {
> +	struct sms_board* board;
> +
> +	board = sms_get_board(coredev->board_id);
> +	if (!board)
> +	{
> +		sms_err("no board configuration exist.");
> +		return -1;
> +	}
> +	
> +	if (board->mtu)
> +	{
> +		struct SmsMsgData_S MtuMsg;
> +		sms_debug("set max transmit unit %d", board->mtu);
> +
> +		MtuMsg.xMsgHeader.msgSrcId = 0;
> +		MtuMsg.xMsgHeader.msgDstId = HIF_TASK;
> +		MtuMsg.xMsgHeader.msgFlags = 0;
> +		MtuMsg.xMsgHeader.msgType = MSG_SMS_SET_MAX_TX_MSG_LEN_REQ;
> +		MtuMsg.xMsgHeader.msgLength = sizeof(MtuMsg);
> +		MtuMsg.msgData[0] = board->mtu;
> +
> +		smsendian_handle_tx_message((struct SmsMsgHdr_S *)&MtuMsg);
> +		coredev->sendrequest_handler(coredev->context, &MtuMsg,
> sizeof(MtuMsg));
> +	}
> +
> +	if (board->crystal)
> +	{
> +		struct SmsMsgData_S CrysMsg;
> +		sms_debug("set crystal value %d", board->crystal);
> +
> +		SMS_INIT_MSG(&CrysMsg.xMsgHeader, 
> +				MSG_SMS_NEW_CRYSTAL_REQ,
> +				sizeof(CrysMsg));
> +		CrysMsg.msgData[0] = board->crystal;
> +
> +		smsendian_handle_tx_message((struct SmsMsgHdr_S *)&CrysMsg);
> +		coredev->sendrequest_handler(coredev->context, &CrysMsg,
> sizeof(CrysMsg));
> +	}
> +
> +	return 0;
> +}
>  
>  /**
>   * calls device handler to get current mode of operation
> @@ -1099,6 +1408,13 @@ void smscore_onresponse(struct smscore_device_t
> *coredev,
>  		case MSG_SW_RELOAD_EXEC_RES:
>  			sms_debug("MSG_SW_RELOAD_EXEC_RES");
>  			break;
> +		case MSG_SMS_DATA_VALIDITY_RES:
> +		{
> +			struct SmsMsgData_S *validity = (struct SmsMsgData_S *) phdr;			
> +			sms_err("MSG_SMS_DATA_VALIDITY_RES, checksum = 0x%x",
> validity->msgData[0]);
> +			complete(&coredev->data_validity_done);
> +			break;
> +		}
>  		case MSG_SMS_SWDOWNLOAD_TRIGGER_RES:
>  			sms_debug("MSG_SMS_SWDOWNLOAD_TRIGGER_RES");
>  			complete(&coredev->trigger_done);
> @@ -1188,8 +1504,8 @@ EXPORT_SYMBOL_GPL(smscore_getbuffer);
>   */
>  void smscore_putbuffer(struct smscore_device_t *coredev,
>  		struct smscore_buffer_t *cb) {
> -	wake_up_interruptible(&coredev->buffer_mng_waitq);
>  	list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock);
> +	wake_up_interruptible(&coredev->buffer_mng_waitq);
>  }
>  EXPORT_SYMBOL_GPL(smscore_putbuffer);
>  

--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux