From 63b1a90da93e019adcafa2b2b1b921fc97debec5 Mon Sep 17 00:00:00 2001 From: Scott Jiang Date: Thu, 8 Mar 2012 17:44:17 -0300 Subject: [media] add blackfin capture bridge driver This is a v4l2 bridge driver for Blackfin video capture device, support ppi and eppi interface. Signed-off-by: Scott Jiang Signed-off-by: Mauro Carvalho Chehab --- include/media/blackfin/bfin_capture.h | 37 ++++++++++++++++++ include/media/blackfin/ppi.h | 74 +++++++++++++++++++++++++++++++++++ 2 files changed, 111 insertions(+) create mode 100644 include/media/blackfin/bfin_capture.h create mode 100644 include/media/blackfin/ppi.h (limited to 'include/media') diff --git a/include/media/blackfin/bfin_capture.h b/include/media/blackfin/bfin_capture.h new file mode 100644 index 00000000000..2038a8a3f8a --- /dev/null +++ b/include/media/blackfin/bfin_capture.h @@ -0,0 +1,37 @@ +#ifndef _BFIN_CAPTURE_H_ +#define _BFIN_CAPTURE_H_ + +#include + +struct v4l2_input; +struct ppi_info; + +struct bcap_route { + u32 input; + u32 output; +}; + +struct bfin_capture_config { + /* card name */ + char *card_name; + /* inputs available at the sub device */ + struct v4l2_input *inputs; + /* number of inputs supported */ + int num_inputs; + /* routing information for each input */ + struct bcap_route *routes; + /* i2c bus adapter no */ + int i2c_adapter_id; + /* i2c subdevice board info */ + struct i2c_board_info board_info; + /* ppi board info */ + const struct ppi_info *ppi_info; + /* ppi control */ + unsigned long ppi_control; + /* ppi interrupt mask */ + u32 int_mask; + /* horizontal blanking clocks */ + int blank_clocks; +}; + +#endif diff --git a/include/media/blackfin/ppi.h b/include/media/blackfin/ppi.h new file mode 100644 index 00000000000..8f72f8a0b3d --- /dev/null +++ b/include/media/blackfin/ppi.h @@ -0,0 +1,74 @@ +/* + * Analog Devices PPI header file + * + * Copyright (c) 2011 Analog Devices Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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 _PPI_H_ +#define _PPI_H_ + +#include + +#ifdef EPPI_EN +#define PORT_EN EPPI_EN +#define DMA32 0 +#define PACK_EN PACKEN +#endif + +struct ppi_if; + +struct ppi_params { + int width; + int height; + int bpp; + unsigned long ppi_control; + u32 int_mask; + int blank_clocks; +}; + +struct ppi_ops { + int (*attach_irq)(struct ppi_if *ppi, irq_handler_t handler); + void (*detach_irq)(struct ppi_if *ppi); + int (*start)(struct ppi_if *ppi); + int (*stop)(struct ppi_if *ppi); + int (*set_params)(struct ppi_if *ppi, struct ppi_params *params); + void (*update_addr)(struct ppi_if *ppi, unsigned long addr); +}; + +enum ppi_type { + PPI_TYPE_PPI, + PPI_TYPE_EPPI, +}; + +struct ppi_info { + enum ppi_type type; + int dma_ch; + int irq_err; + void __iomem *base; + const unsigned short *pin_req; +}; + +struct ppi_if { + unsigned long ppi_control; + const struct ppi_ops *ops; + const struct ppi_info *info; + bool err_int; + void *priv; +}; + +struct ppi_if *ppi_create_instance(const struct ppi_info *info); +void ppi_delete_instance(struct ppi_if *ppi); +#endif -- cgit v1.2.3