| /*************************************************************************** |
| * Copyright (C) 2006-2010 by Marin Mitov * |
| * mitov@issp.bas.bg * |
| * * |
| * 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, write to the * |
| * Free Software Foundation, Inc., * |
| * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
| ***************************************************************************/ |
| |
| /* DT3155 header file */ |
| #ifndef _DT3155_H_ |
| #define _DT3155_H_ |
| |
| #ifdef __KERNEL__ |
| |
| #include <linux/pci.h> |
| #include <linux/interrupt.h> |
| |
| #define DT3155_NAME "dt3155" |
| #define DT3155_VER_MAJ 1 |
| #define DT3155_VER_MIN 1 |
| #define DT3155_VER_EXT 0 |
| #define DT3155_VERSION __stringify(DT3155_VER_MAJ) "." \ |
| __stringify(DT3155_VER_MIN) "." \ |
| __stringify(DT3155_VER_EXT) |
| |
| /* DT3155 Base Register offsets (memory mapped) */ |
| #define EVEN_DMA_START 0x00 |
| #define ODD_DMA_START 0x0C |
| #define EVEN_DMA_STRIDE 0x18 |
| #define ODD_DMA_STRIDE 0x24 |
| #define EVEN_PIXEL_FMT 0x30 |
| #define ODD_PIXEL_FMT 0x34 |
| #define FIFO_TRIGER 0x38 |
| #define XFER_MODE 0x3C |
| #define CSR1 0x40 |
| #define RETRY_WAIT_CNT 0x44 |
| #define INT_CSR 0x48 |
| #define EVEN_FLD_MASK 0x4C |
| #define ODD_FLD_MASK 0x50 |
| #define MASK_LENGTH 0x54 |
| #define FIFO_FLAG_CNT 0x58 |
| #define IIC_CLK_DUR 0x5C |
| #define IIC_CSR1 0x60 |
| #define IIC_CSR2 0x64 |
| |
| /* DT3155 Internal Registers indexes (i2c/IIC mapped) */ |
| #define CSR2 0x10 |
| #define EVEN_CSR 0x11 |
| #define ODD_CSR 0x12 |
| #define CONFIG 0x13 |
| #define DT_ID 0x1F |
| #define X_CLIP_START 0x20 |
| #define Y_CLIP_START 0x22 |
| #define X_CLIP_END 0x24 |
| #define Y_CLIP_END 0x26 |
| #define AD_ADDR 0x30 |
| #define AD_LUT 0x31 |
| #define AD_CMD 0x32 |
| #define DIG_OUT 0x40 |
| #define PM_LUT_ADDR 0x50 |
| #define PM_LUT_DATA 0x51 |
| |
| /* AD command register values */ |
| #define AD_CMD_REG 0x00 |
| #define AD_POS_REF 0x01 |
| #define AD_NEG_REF 0x02 |
| |
| /* CSR1 bit masks */ |
| #define CRPT_DIS 0x00004000 |
| #define FLD_CRPT_ODD 0x00000200 |
| #define FLD_CRPT_EVEN 0x00000100 |
| #define FIFO_EN 0x00000080 |
| #define SRST 0x00000040 |
| #define FLD_DN_ODD 0x00000020 |
| #define FLD_DN_EVEN 0x00000010 |
| /* These should not be used. |
| * Use CAP_CONT_ODD/EVEN instead |
| #define CAP_SNGL_ODD 0x00000008 |
| #define CAP_SNGL_EVEN 0x00000004 |
| */ |
| #define CAP_CONT_ODD 0x00000002 |
| #define CAP_CONT_EVEN 0x00000001 |
| |
| /* INT_CSR bit masks */ |
| #define FLD_START_EN 0x00000400 |
| #define FLD_END_ODD_EN 0x00000200 |
| #define FLD_END_EVEN_EN 0x00000100 |
| #define FLD_START 0x00000004 |
| #define FLD_END_ODD 0x00000002 |
| #define FLD_END_EVEN 0x00000001 |
| |
| /* IIC_CSR1 bit masks */ |
| #define DIRECT_ABORT 0x00000200 |
| |
| /* IIC_CSR2 bit masks */ |
| #define NEW_CYCLE 0x01000000 |
| #define DIR_RD 0x00010000 |
| #define IIC_READ 0x01010000 |
| #define IIC_WRITE 0x01000000 |
| |
| /* CSR2 bit masks */ |
| #define DISP_PASS 0x40 |
| #define BUSY_ODD 0x20 |
| #define BUSY_EVEN 0x10 |
| #define SYNC_PRESENT 0x08 |
| #define VT_50HZ 0x04 |
| #define SYNC_SNTL 0x02 |
| #define CHROM_FILT 0x01 |
| #define VT_60HZ 0x00 |
| |
| /* CSR_EVEN/ODD bit masks */ |
| #define CSR_ERROR 0x04 |
| #define CSR_SNGL 0x02 |
| #define CSR_DONE 0x01 |
| |
| /* CONFIG bit masks */ |
| #define PM_LUT_PGM 0x80 |
| #define PM_LUT_SEL 0x40 |
| #define CLIP_EN 0x20 |
| #define HSCALE_EN 0x10 |
| #define EXT_TRIG_UP 0x0C |
| #define EXT_TRIG_DOWN 0x04 |
| #define ACQ_MODE_NEXT 0x02 |
| #define ACQ_MODE_ODD 0x01 |
| #define ACQ_MODE_EVEN 0x00 |
| |
| /* AD_CMD bit masks */ |
| #define VIDEO_CNL_1 0x00 |
| #define VIDEO_CNL_2 0x40 |
| #define VIDEO_CNL_3 0x80 |
| #define VIDEO_CNL_4 0xC0 |
| #define SYNC_CNL_1 0x00 |
| #define SYNC_CNL_2 0x10 |
| #define SYNC_CNL_3 0x20 |
| #define SYNC_CNL_4 0x30 |
| #define SYNC_LVL_1 0x00 |
| #define SYNC_LVL_2 0x04 |
| #define SYNC_LVL_3 0x08 |
| #define SYNC_LVL_4 0x0C |
| |
| /* DT3155 identificator */ |
| #define DT3155_ID 0x20 |
| |
| #ifdef CONFIG_DT3155_CCIR |
| #define DMA_STRIDE 768 |
| #else |
| #define DMA_STRIDE 640 |
| #endif |
| |
| /** |
| * struct dt3155_stats - statistics structure |
| * |
| * @free_bufs_empty: no free image buffers |
| * @corrupted_fields: corrupted fields |
| * @dma_map_failed: dma mapping failed |
| * @start_before_end: new started before old ended |
| */ |
| struct dt3155_stats { |
| int free_bufs_empty; |
| int corrupted_fields; |
| int dma_map_failed; |
| int start_before_end; |
| }; |
| |
| /* per board private data structure */ |
| /** |
| * struct dt3155_priv - private data structure |
| * |
| * @vdev: pointer to video_device structure |
| * @acq_fp pointer to filp that starts acquisition |
| * @streaming streaming is negotiated |
| * @pdev: pointer to pci_dev structure |
| * @vidq pointer to videobuf_queue structure |
| * @curr_buf: pointer to curren buffer |
| * @thread pointer to worker thraed |
| * @irq_handler: irq handler for the driver |
| * @qt_ops local copy of dma-contig qtype_ops |
| * @dmaq queue for dma buffers |
| * @do_dma wait queue of the kernel thread |
| * @mux: mutex to protect the instance |
| * @lock spinlock for videobuf queues |
| * @field_count fields counter |
| * @stats: statistics structure |
| * @users open count |
| * @regs: local copy of mmio base register |
| * @csr2: local copy of csr2 register |
| * @config: local copy of config register |
| */ |
| struct dt3155_priv { |
| struct video_device *vdev; |
| struct file *acq_fp; |
| int streaming; |
| struct pci_dev *pdev; |
| struct videobuf_queue *vidq; |
| struct videobuf_buffer *curr_buf; |
| struct task_struct *thread; |
| irq_handler_t irq_handler; |
| struct videobuf_qtype_ops qt_ops; |
| struct list_head dmaq; |
| wait_queue_head_t do_dma; |
| struct mutex mux; |
| spinlock_t lock; |
| unsigned int field_count; |
| struct dt3155_stats stats; |
| void *regs; |
| int users; |
| u8 csr2, config; |
| }; |
| |
| #endif /* __KERNEL__ */ |
| |
| #endif /* _DT3155_H_ */ |
