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authorScott Jiang <scott.jiang.linux@gmail.com>2012-03-08 17:44:17 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-03-19 15:08:20 -0300
commit63b1a90da93e019adcafa2b2b1b921fc97debec5 (patch)
tree1b90018dd9b9ac89207293be1672427ac377c33e /include/media
parentf877ed9780f43da51a4544e5b90b7f4a145964ff (diff)
[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 <scott.jiang.linux@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media')
-rw-r--r--include/media/blackfin/bfin_capture.h37
-rw-r--r--include/media/blackfin/ppi.h74
2 files changed, 111 insertions, 0 deletions
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 <linux/i2c.h>
+
+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 <linux/interrupt.h>
+
+#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