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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 19:54:53 (GMT) |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 20:01:40 (GMT) |
commit | ae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (patch) | |
tree | 3c2086ab67398a019089a47ca3f362a4bc6db74f /drivers/staging/meilhaus/me4600_ai.h | |
parent | 34e84f39a27d059a3e6ec6e8b94aafa702e6f220 (diff) | |
parent | 9173a8ef24a6b1b8031507b35b8ffe5f85a87692 (diff) | |
download | linux-fsl-qoriq-ae19ffbadc1b2100285a5b5b3d0a4e0a11390904.tar.xz |
Merge branch 'master' into for-linus
Diffstat (limited to 'drivers/staging/meilhaus/me4600_ai.h')
-rw-r--r-- | drivers/staging/meilhaus/me4600_ai.h | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/drivers/staging/meilhaus/me4600_ai.h b/drivers/staging/meilhaus/me4600_ai.h deleted file mode 100644 index 7055e44..0000000 --- a/drivers/staging/meilhaus/me4600_ai.h +++ /dev/null @@ -1,175 +0,0 @@ -/** - * @file me4600_ai.h - * - * @brief Meilhaus ME-4000 analog input subdevice class. - * @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de) - * @author Guenter Gebhardt - * @author Krzysztof Gantzke (k.gantzke@meilhaus.de) - */ - -/* - * Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de) - * - * This file 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, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef _ME4600_AI_H_ -#define _ME4600_AI_H_ - -#include "mesubdevice.h" -#include "meioctl.h" -#include "mecirc_buf.h" - -#ifdef __KERNEL__ - -#define ME4600_AI_MAX_DATA 0xFFFF - -#ifdef ME_SYNAPSE -# define ME4600_AI_CIRC_BUF_SIZE_ORDER 8 // 2^n PAGES =>> Maximum value of 1MB for Synapse -#else -# define ME4600_AI_CIRC_BUF_SIZE_ORDER 5 // 2^n PAGES =>> 128KB -#endif -#define ME4600_AI_CIRC_BUF_SIZE PAGE_SIZE<<ME4600_AI_CIRC_BUF_SIZE_ORDER // Buffer size in bytes. - -#ifdef _CBUFF_32b_t -# define ME4600_AI_CIRC_BUF_COUNT ((ME4600_AI_CIRC_BUF_SIZE) / sizeof(uint32_t)) // Size in values -#else -# define ME4600_AI_CIRC_BUF_COUNT ((ME4600_AI_CIRC_BUF_SIZE) / sizeof(uint16_t)) // Size in values -#endif - -#define ME4600_AI_FIFO_HALF 1024 //ME4600_AI_FIFO_COUNT/2 //1024 -#define ME4600_AI_FIFO_MAX_SC 1352 //0.66*ME4600_AI_FIFO_COUNT //1352 - -typedef enum ME4600_AI_STATUS { - ai_status_none = 0, - ai_status_single_configured, - ai_status_stream_configured, - ai_status_stream_run_wait, - ai_status_stream_run, - ai_status_stream_end_wait, - ai_status_stream_end, - ai_status_stream_fifo_error, - ai_status_stream_buffer_error, - ai_status_stream_error, - ai_status_last -} ME4600_AI_STATUS; - -typedef struct me4600_single_config_entry { - unsigned short status; - uint32_t entry; - uint32_t ctrl; -} me4600_single_config_entry_t; - -typedef struct me4600_range_entry { - int min; - int max; -} me4600_range_entry_t; - -typedef struct me4600_ai_ISM { - volatile unsigned int global_read; /**< The number of data read in total. */ - volatile unsigned int read; /**< The number of data read for this chunck. */ - volatile unsigned int next; /**< The number of data request by user. */ -} me4600_ai_ISM_t; - -typedef struct me4600_ai_timeout { - unsigned long start_time; - unsigned long delay; -} me4600_ai_timeout_t; - -/** - * @brief The ME-4000 analog input subdevice class. - */ -typedef struct me4600_ai_subdevice { - /* Inheritance */ - me_subdevice_t base; /**< The subdevice base class. */ - - /* Attributes */ - spinlock_t subdevice_lock; /**< Spin lock to protect the subdevice from concurrent access. */ - spinlock_t *ctrl_reg_lock; /**< Spin lock to protect #ctrl_reg from concurrent access. */ - - /* Hardware feautres */ - unsigned int irq; /**< The interrupt request number assigned by the PCI BIOS. */ - int isolated; /**< Marks if this subdevice is on an optoisolated device. */ - int sh; /**< Marks if this subdevice has sample and hold devices. */ - - unsigned int channels; /**< The number of channels available on this subdevice. */ - me4600_single_config_entry_t single_config[32]; /**< The configuration set for single acquisition. */ - - unsigned int data_required; /**< The number of data request by user. */ - unsigned int fifo_irq_threshold; /**< The user adjusted FIFO high water interrupt level. */ - unsigned int chan_list_len; /**< The length of the user defined channel list. */ - - me4600_ai_ISM_t ISM; /**< The information request by Interrupt-State-Machine. */ - volatile enum ME4600_AI_STATUS status; /**< The current stream status flag. */ - me4600_ai_timeout_t timeout; /**< The timeout for start in blocking and non-blocking mode. */ - - /* Registers *//**< All registers are 32 bits long. */ - unsigned long ctrl_reg; - unsigned long status_reg; - unsigned long channel_list_reg; - unsigned long data_reg; - unsigned long chan_timer_reg; - unsigned long chan_pre_timer_reg; - unsigned long scan_timer_low_reg; - unsigned long scan_timer_high_reg; - unsigned long scan_pre_timer_low_reg; - unsigned long scan_pre_timer_high_reg; - unsigned long start_reg; - unsigned long irq_status_reg; - unsigned long sample_counter_reg; - - unsigned int ranges_len; - me4600_range_entry_t ranges[4]; /**< The ranges available on this subdevice. */ - - /* Software buffer */ - me_circ_buf_t circ_buf; /**< Circular buffer holding measurment data. */ - wait_queue_head_t wait_queue; /**< Wait queue to put on tasks waiting for data to arrive. */ - - struct workqueue_struct *me4600_workqueue; - struct delayed_work ai_control_task; - - volatile int ai_control_task_flag; /**< Flag controling reexecuting of control task */ - -#ifdef MEDEBUG_DEBUG_REG - unsigned long reg_base; -#endif -} me4600_ai_subdevice_t; - -/** - * @brief The constructor to generate a ME-4000 analog input subdevice instance. - * - * @param reg_base The register base address of the device as returned by the PCI BIOS. - * @param channels The number of analog input channels available on this subdevice. - * @param channels The number of analog input ranges available on this subdevice. - * @param isolated Flag indicating if this device is opto isolated. - * @param sh Flag indicating if sample and hold devices are available. - * @param irq The irq number assigned by PCI BIOS. - * @param ctrl_reg_lock Pointer to spin lock protecting the control register from concurrent access. - * - * @return Pointer to new instance on success.\n - * NULL on error. - */ -me4600_ai_subdevice_t *me4600_ai_constructor(uint32_t reg_base, - unsigned int channels, - unsigned int ranges, - int isolated, - int sh, - int irq, - spinlock_t * ctrl_reg_lock, - struct workqueue_struct - *me4600_wq); - -#endif -#endif |