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-rw-r--r--drivers/media/pci/Kconfig6
-rw-r--r--drivers/media/pci/Makefile2
-rw-r--r--drivers/media/pci/meye/Kconfig13
-rw-r--r--drivers/media/pci/meye/Makefile1
-rw-r--r--drivers/media/pci/meye/meye.c1964
-rw-r--r--drivers/media/pci/meye/meye.h324
-rw-r--r--drivers/media/pci/sta2x11/Kconfig12
-rw-r--r--drivers/media/pci/sta2x11/Makefile1
-rw-r--r--drivers/media/pci/sta2x11/sta2x11_vip.c1550
-rw-r--r--drivers/media/pci/sta2x11/sta2x11_vip.h40
10 files changed, 3913 insertions, 0 deletions
diff --git a/drivers/media/pci/Kconfig b/drivers/media/pci/Kconfig
index e1a9e1a..4243d5d 100644
--- a/drivers/media/pci/Kconfig
+++ b/drivers/media/pci/Kconfig
@@ -5,6 +5,12 @@
menu "Media PCI Adapters"
visible if PCI && MEDIA_SUPPORT
+if MEDIA_CAMERA_SUPPORT
+ comment "Media capture support"
+source "drivers/media/pci/meye/Kconfig"
+source "drivers/media/pci/sta2x11/Kconfig"
+endif
+
if MEDIA_ANALOG_TV_SUPPORT
comment "Media capture/analog TV support"
source "drivers/media/pci/ivtv/Kconfig"
diff --git a/drivers/media/pci/Makefile b/drivers/media/pci/Makefile
index bb71e30..c8dc6c77 100644
--- a/drivers/media/pci/Makefile
+++ b/drivers/media/pci/Makefile
@@ -22,3 +22,5 @@ obj-$(CONFIG_VIDEO_CX88) += cx88/
obj-$(CONFIG_VIDEO_BT848) += bt8xx/
obj-$(CONFIG_VIDEO_SAA7134) += saa7134/
obj-$(CONFIG_VIDEO_SAA7164) += saa7164/
+obj-$(CONFIG_VIDEO_MEYE) += meye/
+obj-$(CONFIG_STA2X11_VIP) += sta2x11/
diff --git a/drivers/media/pci/meye/Kconfig b/drivers/media/pci/meye/Kconfig
new file mode 100644
index 0000000..b4bf848
--- /dev/null
+++ b/drivers/media/pci/meye/Kconfig
@@ -0,0 +1,13 @@
+config VIDEO_MEYE
+ tristate "Sony Vaio Picturebook Motion Eye Video For Linux"
+ depends on PCI && SONY_LAPTOP && VIDEO_V4L2
+ ---help---
+ This is the video4linux driver for the Motion Eye camera found
+ in the Vaio Picturebook laptops. Please read the material in
+ <file:Documentation/video4linux/meye.txt> for more information.
+
+ If you say Y or M here, you need to say Y or M to "Sony Laptop
+ Extras" in the misc device section.
+
+ To compile this driver as a module, choose M here: the
+ module will be called meye.
diff --git a/drivers/media/pci/meye/Makefile b/drivers/media/pci/meye/Makefile
new file mode 100644
index 0000000..4938851
--- /dev/null
+++ b/drivers/media/pci/meye/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_VIDEO_MEYE) += meye.o
diff --git a/drivers/media/pci/meye/meye.c b/drivers/media/pci/meye/meye.c
new file mode 100644
index 0000000..7bc7752
--- /dev/null
+++ b/drivers/media/pci/meye/meye.c
@@ -0,0 +1,1964 @@
+/*
+ * Motion Eye video4linux driver for Sony Vaio PictureBook
+ *
+ * Copyright (C) 2001-2004 Stelian Pop <stelian@popies.net>
+ *
+ * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
+ *
+ * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
+ *
+ * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
+ *
+ * Some parts borrowed from various video4linux drivers, especially
+ * bttv-driver.c and zoran.c, see original files for credits.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/sched.h>
+#include <linux/init.h>
+#include <linux/gfp.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/vmalloc.h>
+#include <linux/dma-mapping.h>
+
+#include "meye.h"
+#include <linux/meye.h>
+
+MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
+MODULE_DESCRIPTION("v4l2 driver for the MotionEye camera");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(MEYE_DRIVER_VERSION);
+
+/* number of grab buffers */
+static unsigned int gbuffers = 2;
+module_param(gbuffers, int, 0444);
+MODULE_PARM_DESC(gbuffers, "number of capture buffers, default is 2 (32 max)");
+
+/* size of a grab buffer */
+static unsigned int gbufsize = MEYE_MAX_BUFSIZE;
+module_param(gbufsize, int, 0444);
+MODULE_PARM_DESC(gbufsize, "size of the capture buffers, default is 614400"
+ " (will be rounded up to a page multiple)");
+
+/* /dev/videoX registration number */
+static int video_nr = -1;
+module_param(video_nr, int, 0444);
+MODULE_PARM_DESC(video_nr, "video device to register (0=/dev/video0, etc)");
+
+/* driver structure - only one possible */
+static struct meye meye;
+
+/****************************************************************************/
+/* Memory allocation routines (stolen from bttv-driver.c) */
+/****************************************************************************/
+static void *rvmalloc(unsigned long size)
+{
+ void *mem;
+ unsigned long adr;
+
+ size = PAGE_ALIGN(size);
+ mem = vmalloc_32(size);
+ if (mem) {
+ memset(mem, 0, size);
+ adr = (unsigned long) mem;
+ while (size > 0) {
+ SetPageReserved(vmalloc_to_page((void *)adr));
+ adr += PAGE_SIZE;
+ size -= PAGE_SIZE;
+ }
+ }
+ return mem;
+}
+
+static void rvfree(void * mem, unsigned long size)
+{
+ unsigned long adr;
+
+ if (mem) {
+ adr = (unsigned long) mem;
+ while ((long) size > 0) {
+ ClearPageReserved(vmalloc_to_page((void *)adr));
+ adr += PAGE_SIZE;
+ size -= PAGE_SIZE;
+ }
+ vfree(mem);
+ }
+}
+
+/*
+ * return a page table pointing to N pages of locked memory
+ *
+ * NOTE: The meye device expects DMA addresses on 32 bits, we build
+ * a table of 1024 entries = 4 bytes * 1024 = 4096 bytes.
+ */
+static int ptable_alloc(void)
+{
+ u32 *pt;
+ int i;
+
+ memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable));
+
+ /* give only 32 bit DMA addresses */
+ if (dma_set_mask(&meye.mchip_dev->dev, DMA_BIT_MASK(32)))
+ return -1;
+
+ meye.mchip_ptable_toc = dma_alloc_coherent(&meye.mchip_dev->dev,
+ PAGE_SIZE,
+ &meye.mchip_dmahandle,
+ GFP_KERNEL);
+ if (!meye.mchip_ptable_toc) {
+ meye.mchip_dmahandle = 0;
+ return -1;
+ }
+
+ pt = meye.mchip_ptable_toc;
+ for (i = 0; i < MCHIP_NB_PAGES; i++) {
+ dma_addr_t dma;
+ meye.mchip_ptable[i] = dma_alloc_coherent(&meye.mchip_dev->dev,
+ PAGE_SIZE,
+ &dma,
+ GFP_KERNEL);
+ if (!meye.mchip_ptable[i]) {
+ int j;
+ pt = meye.mchip_ptable_toc;
+ for (j = 0; j < i; ++j) {
+ dma = (dma_addr_t) *pt;
+ dma_free_coherent(&meye.mchip_dev->dev,
+ PAGE_SIZE,
+ meye.mchip_ptable[j], dma);
+ pt++;
+ }
+ dma_free_coherent(&meye.mchip_dev->dev,
+ PAGE_SIZE,
+ meye.mchip_ptable_toc,
+ meye.mchip_dmahandle);
+ meye.mchip_ptable_toc = NULL;
+ meye.mchip_dmahandle = 0;
+ return -1;
+ }
+ *pt = (u32) dma;
+ pt++;
+ }
+ return 0;
+}
+
+static void ptable_free(void)
+{
+ u32 *pt;
+ int i;
+
+ pt = meye.mchip_ptable_toc;
+ for (i = 0; i < MCHIP_NB_PAGES; i++) {
+ dma_addr_t dma = (dma_addr_t) *pt;
+ if (meye.mchip_ptable[i])
+ dma_free_coherent(&meye.mchip_dev->dev,
+ PAGE_SIZE,
+ meye.mchip_ptable[i], dma);
+ pt++;
+ }
+
+ if (meye.mchip_ptable_toc)
+ dma_free_coherent(&meye.mchip_dev->dev,
+ PAGE_SIZE,
+ meye.mchip_ptable_toc,
+ meye.mchip_dmahandle);
+
+ memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable));
+ meye.mchip_ptable_toc = NULL;
+ meye.mchip_dmahandle = 0;
+}
+
+/* copy data from ptable into buf */
+static void ptable_copy(u8 *buf, int start, int size, int pt_pages)
+{
+ int i;
+
+ for (i = 0; i < (size / PAGE_SIZE) * PAGE_SIZE; i += PAGE_SIZE) {
+ memcpy(buf + i, meye.mchip_ptable[start++], PAGE_SIZE);
+ if (start >= pt_pages)
+ start = 0;
+ }
+ memcpy(buf + i, meye.mchip_ptable[start], size % PAGE_SIZE);
+}
+
+/****************************************************************************/
+/* JPEG tables at different qualities to load into the VRJ chip */
+/****************************************************************************/
+
+/* return a set of quantisation tables based on a quality from 1 to 10 */
+static u16 *jpeg_quantisation_tables(int *length, int quality)
+{
+ static u16 jpeg_tables[][70] = { {
+ 0xdbff, 0x4300, 0xff00, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff,
+ 0xdbff, 0x4300, 0xff01, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff,
+ },
+ {
+ 0xdbff, 0x4300, 0x5000, 0x3c37, 0x3c46, 0x5032, 0x4146, 0x5a46,
+ 0x5055, 0x785f, 0x82c8, 0x6e78, 0x786e, 0xaff5, 0x91b9, 0xffc8,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff,
+ 0xdbff, 0x4300, 0x5501, 0x5a5a, 0x6978, 0xeb78, 0x8282, 0xffeb,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff,
+ },
+ {
+ 0xdbff, 0x4300, 0x2800, 0x1e1c, 0x1e23, 0x2819, 0x2123, 0x2d23,
+ 0x282b, 0x3c30, 0x4164, 0x373c, 0x3c37, 0x587b, 0x495d, 0x9164,
+ 0x9980, 0x8f96, 0x8c80, 0xa08a, 0xe6b4, 0xa0c3, 0xdaaa, 0x8aad,
+ 0xc88c, 0xcbff, 0xeeda, 0xfff5, 0xffff, 0xc19b, 0xffff, 0xfaff,
+ 0xe6ff, 0xfffd, 0xfff8,
+ 0xdbff, 0x4300, 0x2b01, 0x2d2d, 0x353c, 0x763c, 0x4141, 0xf876,
+ 0x8ca5, 0xf8a5, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8,
+ 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8,
+ 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8,
+ 0xf8f8, 0xf8f8, 0xfff8,
+ },
+ {
+ 0xdbff, 0x4300, 0x1b00, 0x1412, 0x1417, 0x1b11, 0x1617, 0x1e17,
+ 0x1b1c, 0x2820, 0x2b42, 0x2528, 0x2825, 0x3a51, 0x303d, 0x6042,
+ 0x6555, 0x5f64, 0x5d55, 0x6a5b, 0x9978, 0x6a81, 0x9071, 0x5b73,
+ 0x855d, 0x86b5, 0x9e90, 0xaba3, 0xabad, 0x8067, 0xc9bc, 0xa6ba,
+ 0x99c7, 0xaba8, 0xffa4,
+ 0xdbff, 0x4300, 0x1c01, 0x1e1e, 0x2328, 0x4e28, 0x2b2b, 0xa44e,
+ 0x5d6e, 0xa46e, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4,
+ 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4,
+ 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4,
+ 0xa4a4, 0xa4a4, 0xffa4,
+ },
+ {
+ 0xdbff, 0x4300, 0x1400, 0x0f0e, 0x0f12, 0x140d, 0x1012, 0x1712,
+ 0x1415, 0x1e18, 0x2132, 0x1c1e, 0x1e1c, 0x2c3d, 0x242e, 0x4932,
+ 0x4c40, 0x474b, 0x4640, 0x5045, 0x735a, 0x5062, 0x6d55, 0x4556,
+ 0x6446, 0x6588, 0x776d, 0x817b, 0x8182, 0x604e, 0x978d, 0x7d8c,
+ 0x7396, 0x817e, 0xff7c,
+ 0xdbff, 0x4300, 0x1501, 0x1717, 0x1a1e, 0x3b1e, 0x2121, 0x7c3b,
+ 0x4653, 0x7c53, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c,
+ 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c,
+ 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c,
+ 0x7c7c, 0x7c7c, 0xff7c,
+ },
+ {
+ 0xdbff, 0x4300, 0x1000, 0x0c0b, 0x0c0e, 0x100a, 0x0d0e, 0x120e,
+ 0x1011, 0x1813, 0x1a28, 0x1618, 0x1816, 0x2331, 0x1d25, 0x3a28,
+ 0x3d33, 0x393c, 0x3833, 0x4037, 0x5c48, 0x404e, 0x5744, 0x3745,
+ 0x5038, 0x516d, 0x5f57, 0x6762, 0x6768, 0x4d3e, 0x7971, 0x6470,
+ 0x5c78, 0x6765, 0xff63,
+ 0xdbff, 0x4300, 0x1101, 0x1212, 0x1518, 0x2f18, 0x1a1a, 0x632f,
+ 0x3842, 0x6342, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363,
+ 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363,
+ 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363,
+ 0x6363, 0x6363, 0xff63,
+ },
+ {
+ 0xdbff, 0x4300, 0x0d00, 0x0a09, 0x0a0b, 0x0d08, 0x0a0b, 0x0e0b,
+ 0x0d0e, 0x130f, 0x1520, 0x1213, 0x1312, 0x1c27, 0x171e, 0x2e20,
+ 0x3129, 0x2e30, 0x2d29, 0x332c, 0x4a3a, 0x333e, 0x4636, 0x2c37,
+ 0x402d, 0x4157, 0x4c46, 0x524e, 0x5253, 0x3e32, 0x615a, 0x505a,
+ 0x4a60, 0x5251, 0xff4f,
+ 0xdbff, 0x4300, 0x0e01, 0x0e0e, 0x1113, 0x2613, 0x1515, 0x4f26,
+ 0x2d35, 0x4f35, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f,
+ 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f,
+ 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f,
+ 0x4f4f, 0x4f4f, 0xff4f,
+ },
+ {
+ 0xdbff, 0x4300, 0x0a00, 0x0707, 0x0708, 0x0a06, 0x0808, 0x0b08,
+ 0x0a0a, 0x0e0b, 0x1018, 0x0d0e, 0x0e0d, 0x151d, 0x1116, 0x2318,
+ 0x251f, 0x2224, 0x221f, 0x2621, 0x372b, 0x262f, 0x3429, 0x2129,
+ 0x3022, 0x3141, 0x3934, 0x3e3b, 0x3e3e, 0x2e25, 0x4944, 0x3c43,
+ 0x3748, 0x3e3d, 0xff3b,
+ 0xdbff, 0x4300, 0x0a01, 0x0b0b, 0x0d0e, 0x1c0e, 0x1010, 0x3b1c,
+ 0x2228, 0x3b28, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b,
+ 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b,
+ 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b,
+ 0x3b3b, 0x3b3b, 0xff3b,
+ },
+ {
+ 0xdbff, 0x4300, 0x0600, 0x0504, 0x0506, 0x0604, 0x0506, 0x0706,
+ 0x0607, 0x0a08, 0x0a10, 0x090a, 0x0a09, 0x0e14, 0x0c0f, 0x1710,
+ 0x1814, 0x1718, 0x1614, 0x1a16, 0x251d, 0x1a1f, 0x231b, 0x161c,
+ 0x2016, 0x202c, 0x2623, 0x2927, 0x292a, 0x1f19, 0x302d, 0x282d,
+ 0x2530, 0x2928, 0xff28,
+ 0xdbff, 0x4300, 0x0701, 0x0707, 0x080a, 0x130a, 0x0a0a, 0x2813,
+ 0x161a, 0x281a, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828,
+ 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828,
+ 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828,
+ 0x2828, 0x2828, 0xff28,
+ },
+ {
+ 0xdbff, 0x4300, 0x0300, 0x0202, 0x0203, 0x0302, 0x0303, 0x0403,
+ 0x0303, 0x0504, 0x0508, 0x0405, 0x0504, 0x070a, 0x0607, 0x0c08,
+ 0x0c0a, 0x0b0c, 0x0b0a, 0x0d0b, 0x120e, 0x0d10, 0x110e, 0x0b0e,
+ 0x100b, 0x1016, 0x1311, 0x1514, 0x1515, 0x0f0c, 0x1817, 0x1416,
+ 0x1218, 0x1514, 0xff14,
+ 0xdbff, 0x4300, 0x0301, 0x0404, 0x0405, 0x0905, 0x0505, 0x1409,
+ 0x0b0d, 0x140d, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414,
+ 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414,
+ 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414,
+ 0x1414, 0x1414, 0xff14,
+ },
+ {
+ 0xdbff, 0x4300, 0x0100, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0xff01,
+ 0xdbff, 0x4300, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0101, 0x0101, 0xff01,
+ } };
+
+ if (quality < 0 || quality > 10) {
+ printk(KERN_WARNING
+ "meye: invalid quality level %d - using 8\n", quality);
+ quality = 8;
+ }
+
+ *length = ARRAY_SIZE(jpeg_tables[quality]);
+ return jpeg_tables[quality];
+}
+
+/* return a generic set of huffman tables */
+static u16 *jpeg_huffman_tables(int *length)
+{
+ static u16 tables[] = {
+ 0xC4FF, 0xB500, 0x0010, 0x0102, 0x0303, 0x0402, 0x0503, 0x0405,
+ 0x0004, 0x0100, 0x017D, 0x0302, 0x0400, 0x0511, 0x2112, 0x4131,
+ 0x1306, 0x6151, 0x2207, 0x1471, 0x8132, 0xA191, 0x2308, 0xB142,
+ 0x15C1, 0xD152, 0x24F0, 0x6233, 0x8272, 0x0A09, 0x1716, 0x1918,
+ 0x251A, 0x2726, 0x2928, 0x342A, 0x3635, 0x3837, 0x3A39, 0x4443,
+ 0x4645, 0x4847, 0x4A49, 0x5453, 0x5655, 0x5857, 0x5A59, 0x6463,
+ 0x6665, 0x6867, 0x6A69, 0x7473, 0x7675, 0x7877, 0x7A79, 0x8483,
+ 0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998, 0xA29A,
+ 0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6, 0xB9B8,
+ 0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4, 0xD7D6,
+ 0xD9D8, 0xE1DA, 0xE3E2, 0xE5E4, 0xE7E6, 0xE9E8, 0xF1EA, 0xF3F2,
+ 0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA,
+ 0xC4FF, 0xB500, 0x0011, 0x0102, 0x0402, 0x0304, 0x0704, 0x0405,
+ 0x0004, 0x0201, 0x0077, 0x0201, 0x1103, 0x0504, 0x3121, 0x1206,
+ 0x5141, 0x6107, 0x1371, 0x3222, 0x0881, 0x4214, 0xA191, 0xC1B1,
+ 0x2309, 0x5233, 0x15F0, 0x7262, 0x0AD1, 0x2416, 0xE134, 0xF125,
+ 0x1817, 0x1A19, 0x2726, 0x2928, 0x352A, 0x3736, 0x3938, 0x433A,
+ 0x4544, 0x4746, 0x4948, 0x534A, 0x5554, 0x5756, 0x5958, 0x635A,
+ 0x6564, 0x6766, 0x6968, 0x736A, 0x7574, 0x7776, 0x7978, 0x827A,
+ 0x8483, 0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998,
+ 0xA29A, 0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6,
+ 0xB9B8, 0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4,
+ 0xD7D6, 0xD9D8, 0xE2DA, 0xE4E3, 0xE6E5, 0xE8E7, 0xEAE9, 0xF3F2,
+ 0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA,
+ 0xC4FF, 0x1F00, 0x0000, 0x0501, 0x0101, 0x0101, 0x0101, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09,
+ 0xFF0B,
+ 0xC4FF, 0x1F00, 0x0001, 0x0103, 0x0101, 0x0101, 0x0101, 0x0101,
+ 0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09,
+ 0xFF0B
+ };
+
+ *length = ARRAY_SIZE(tables);
+ return tables;
+}
+
+/****************************************************************************/
+/* MCHIP low-level functions */
+/****************************************************************************/
+
+/* returns the horizontal capture size */
+static inline int mchip_hsize(void)
+{
+ return meye.params.subsample ? 320 : 640;
+}
+
+/* returns the vertical capture size */
+static inline int mchip_vsize(void)
+{
+ return meye.params.subsample ? 240 : 480;
+}
+
+/* waits for a register to be available */
+static void mchip_sync(int reg)
+{
+ u32 status;
+ int i;
+
+ if (reg == MCHIP_MM_FIFO_DATA) {
+ for (i = 0; i < MCHIP_REG_TIMEOUT; i++) {
+ status = readl(meye.mchip_mmregs +
+ MCHIP_MM_FIFO_STATUS);
+ if (!(status & MCHIP_MM_FIFO_WAIT)) {
+ printk(KERN_WARNING "meye: fifo not ready\n");
+ return;
+ }
+ if (status & MCHIP_MM_FIFO_READY)
+ return;
+ udelay(1);
+ }
+ } else if (reg > 0x80) {
+ u32 mask = (reg < 0x100) ? MCHIP_HIC_STATUS_MCC_RDY
+ : MCHIP_HIC_STATUS_VRJ_RDY;
+ for (i = 0; i < MCHIP_REG_TIMEOUT; i++) {
+ status = readl(meye.mchip_mmregs + MCHIP_HIC_STATUS);
+ if (status & mask)
+ return;
+ udelay(1);
+ }
+ } else
+ return;
+ printk(KERN_WARNING
+ "meye: mchip_sync() timeout on reg 0x%x status=0x%x\n",
+ reg, status);
+}
+
+/* sets a value into the register */
+static inline void mchip_set(int reg, u32 v)
+{
+ mchip_sync(reg);
+ writel(v, meye.mchip_mmregs + reg);
+}
+
+/* get the register value */
+static inline u32 mchip_read(int reg)
+{
+ mchip_sync(reg);
+ return readl(meye.mchip_mmregs + reg);
+}
+
+/* wait for a register to become a particular value */
+static inline int mchip_delay(u32 reg, u32 v)
+{
+ int n = 10;
+ while (--n && mchip_read(reg) != v)
+ udelay(1);
+ return n;
+}
+
+/* setup subsampling */
+static void mchip_subsample(void)
+{
+ mchip_set(MCHIP_MCC_R_SAMPLING, meye.params.subsample);
+ mchip_set(MCHIP_MCC_R_XRANGE, mchip_hsize());
+ mchip_set(MCHIP_MCC_R_YRANGE, mchip_vsize());
+ mchip_set(MCHIP_MCC_B_XRANGE, mchip_hsize());
+ mchip_set(MCHIP_MCC_B_YRANGE, mchip_vsize());
+ mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE);
+}
+
+/* set the framerate into the mchip */
+static void mchip_set_framerate(void)
+{
+ mchip_set(MCHIP_HIC_S_RATE, meye.params.framerate);
+}
+
+/* load some huffman and quantisation tables into the VRJ chip ready
+ for JPEG compression */
+static void mchip_load_tables(void)
+{
+ int i;
+ int length;
+ u16 *tables;
+
+ tables = jpeg_huffman_tables(&length);
+ for (i = 0; i < length; i++)
+ writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA);
+
+ tables = jpeg_quantisation_tables(&length, meye.params.quality);
+ for (i = 0; i < length; i++)
+ writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA);
+}
+
+/* setup the VRJ parameters in the chip */
+static void mchip_vrj_setup(u8 mode)
+{
+ mchip_set(MCHIP_VRJ_BUS_MODE, 5);
+ mchip_set(MCHIP_VRJ_SIGNAL_ACTIVE_LEVEL, 0x1f);
+ mchip_set(MCHIP_VRJ_PDAT_USE, 1);
+ mchip_set(MCHIP_VRJ_IRQ_FLAG, 0xa0);
+ mchip_set(MCHIP_VRJ_MODE_SPECIFY, mode);
+ mchip_set(MCHIP_VRJ_NUM_LINES, mchip_vsize());
+ mchip_set(MCHIP_VRJ_NUM_PIXELS, mchip_hsize());
+ mchip_set(MCHIP_VRJ_NUM_COMPONENTS, 0x1b);
+ mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_LO, 0xFFFF);
+ mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_HI, 0xFFFF);
+ mchip_set(MCHIP_VRJ_COMP_DATA_FORMAT, 0xC);
+ mchip_set(MCHIP_VRJ_RESTART_INTERVAL, 0);
+ mchip_set(MCHIP_VRJ_SOF1, 0x601);
+ mchip_set(MCHIP_VRJ_SOF2, 0x1502);
+ mchip_set(MCHIP_VRJ_SOF3, 0x1503);
+ mchip_set(MCHIP_VRJ_SOF4, 0x1596);
+ mchip_set(MCHIP_VRJ_SOS, 0x0ed0);
+
+ mchip_load_tables();
+}
+
+/* sets the DMA parameters into the chip */
+static void mchip_dma_setup(dma_addr_t dma_addr)
+{
+ int i;
+
+ mchip_set(MCHIP_MM_PT_ADDR, (u32)dma_addr);
+ for (i = 0; i < 4; i++)
+ mchip_set(MCHIP_MM_FIR(i), 0);
+ meye.mchip_fnum = 0;
+}
+
+/* setup for DMA transfers - also zeros the framebuffer */
+static int mchip_dma_alloc(void)
+{
+ if (!meye.mchip_dmahandle)
+ if (ptable_alloc())
+ return -1;
+ return 0;
+}
+
+/* frees the DMA buffer */
+static void mchip_dma_free(void)
+{
+ if (meye.mchip_dmahandle) {
+ mchip_dma_setup(0);
+ ptable_free();
+ }
+}
+
+/* stop any existing HIC action and wait for any dma to complete then
+ reset the dma engine */
+static void mchip_hic_stop(void)
+{
+ int i, j;
+
+ meye.mchip_mode = MCHIP_HIC_MODE_NOOP;
+ if (!(mchip_read(MCHIP_HIC_STATUS) & MCHIP_HIC_STATUS_BUSY))
+ return;
+ for (i = 0; i < 20; ++i) {
+ mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_STOP);
+ mchip_delay(MCHIP_HIC_CMD, 0);
+ for (j = 0; j < 100; ++j) {
+ if (mchip_delay(MCHIP_HIC_STATUS,
+ MCHIP_HIC_STATUS_IDLE))
+ return;
+ msleep(1);
+ }
+ printk(KERN_ERR "meye: need to reset HIC!\n");
+
+ mchip_set(MCHIP_HIC_CTL, MCHIP_HIC_CTL_SOFT_RESET);
+ msleep(250);
+ }
+ printk(KERN_ERR "meye: resetting HIC hanged!\n");
+}
+
+/****************************************************************************/
+/* MCHIP frame processing functions */
+/****************************************************************************/
+
+/* get the next ready frame from the dma engine */
+static u32 mchip_get_frame(void)
+{
+ u32 v;
+
+ v = mchip_read(MCHIP_MM_FIR(meye.mchip_fnum));
+ return v;
+}
+
+/* frees the current frame from the dma engine */
+static void mchip_free_frame(void)
+{
+ mchip_set(MCHIP_MM_FIR(meye.mchip_fnum), 0);
+ meye.mchip_fnum++;
+ meye.mchip_fnum %= 4;
+}
+
+/* read one frame from the framebuffer assuming it was captured using
+ a uncompressed transfer */
+static void mchip_cont_read_frame(u32 v, u8 *buf, int size)
+{
+ int pt_id;
+
+ pt_id = (v >> 17) & 0x3FF;
+
+ ptable_copy(buf, pt_id, size, MCHIP_NB_PAGES);
+}
+
+/* read a compressed frame from the framebuffer */
+static int mchip_comp_read_frame(u32 v, u8 *buf, int size)
+{
+ int pt_start, pt_end, trailer;
+ int fsize;
+ int i;
+
+ pt_start = (v >> 19) & 0xFF;
+ pt_end = (v >> 11) & 0xFF;
+ trailer = (v >> 1) & 0x3FF;
+
+ if (pt_end < pt_start)
+ fsize = (MCHIP_NB_PAGES_MJPEG - pt_start) * PAGE_SIZE +
+ pt_end * PAGE_SIZE + trailer * 4;
+ else
+ fsize = (pt_end - pt_start) * PAGE_SIZE + trailer * 4;
+
+ if (fsize > size) {
+ printk(KERN_WARNING "meye: oversized compressed frame %d\n",
+ fsize);
+ return -1;
+ }
+
+ ptable_copy(buf, pt_start, fsize, MCHIP_NB_PAGES_MJPEG);
+
+#ifdef MEYE_JPEG_CORRECTION
+
+ /* Some mchip generated jpeg frames are incorrect. In most
+ * (all ?) of those cases, the final EOI (0xff 0xd9) marker
+ * is not present at the end of the frame.
+ *
+ * Since adding the final marker is not enough to restore
+ * the jpeg integrity, we drop the frame.
+ */
+
+ for (i = fsize - 1; i > 0 && buf[i] == 0xff; i--) ;
+
+ if (i < 2 || buf[i - 1] != 0xff || buf[i] != 0xd9)
+ return -1;
+
+#endif
+
+ return fsize;
+}
+
+/* take a picture into SDRAM */
+static void mchip_take_picture(void)
+{
+ int i;
+
+ mchip_hic_stop();
+ mchip_subsample();
+ mchip_dma_setup(meye.mchip_dmahandle);
+
+ mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_CAP);
+ mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+
+ for (i = 0; i < 100; ++i) {
+ if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE))
+ break;
+ msleep(1);
+ }
+}
+
+/* dma a previously taken picture into a buffer */
+static void mchip_get_picture(u8 *buf, int bufsize)
+{
+ u32 v;
+ int i;
+
+ mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_OUT);
+ mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+ for (i = 0; i < 100; ++i) {
+ if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE))
+ break;
+ msleep(1);
+ }
+ for (i = 0; i < 4; ++i) {
+ v = mchip_get_frame();
+ if (v & MCHIP_MM_FIR_RDY) {
+ mchip_cont_read_frame(v, buf, bufsize);
+ break;
+ }
+ mchip_free_frame();
+ }
+}
+
+/* start continuous dma capture */
+static void mchip_continuous_start(void)
+{
+ mchip_hic_stop();
+ mchip_subsample();
+ mchip_set_framerate();
+ mchip_dma_setup(meye.mchip_dmahandle);
+
+ meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT;
+
+ mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_OUT);
+ mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+}
+
+/* compress one frame into a buffer */
+static int mchip_compress_frame(u8 *buf, int bufsize)
+{
+ u32 v;
+ int len = -1, i;
+
+ mchip_vrj_setup(0x3f);
+ udelay(50);
+
+ mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_COMP);
+ mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+ for (i = 0; i < 100; ++i) {
+ if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE))
+ break;
+ msleep(1);
+ }
+
+ for (i = 0; i < 4; ++i) {
+ v = mchip_get_frame();
+ if (v & MCHIP_MM_FIR_RDY) {
+ len = mchip_comp_read_frame(v, buf, bufsize);
+ break;
+ }
+ mchip_free_frame();
+ }
+ return len;
+}
+
+#if 0
+/* uncompress one image into a buffer */
+static int mchip_uncompress_frame(u8 *img, int imgsize, u8 *buf, int bufsize)
+{
+ mchip_vrj_setup(0x3f);
+ udelay(50);
+
+ mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_DECOMP);
+ mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+
+ return mchip_comp_read_frame(buf, bufsize);
+}
+#endif
+
+/* start continuous compressed capture */
+static void mchip_cont_compression_start(void)
+{
+ mchip_hic_stop();
+ mchip_vrj_setup(0x3f);
+ mchip_subsample();
+ mchip_set_framerate();
+ mchip_dma_setup(meye.mchip_dmahandle);
+
+ meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP;
+
+ mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_COMP);
+ mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+}
+
+/****************************************************************************/
+/* Interrupt handling */
+/****************************************************************************/
+
+static irqreturn_t meye_irq(int irq, void *dev_id)
+{
+ u32 v;
+ int reqnr;
+ static int sequence;
+
+ v = mchip_read(MCHIP_MM_INTA);
+
+ if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_OUT &&
+ meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP)
+ return IRQ_NONE;
+
+again:
+ v = mchip_get_frame();
+ if (!(v & MCHIP_MM_FIR_RDY))
+ return IRQ_HANDLED;
+
+ if (meye.mchip_mode == MCHIP_HIC_MODE_CONT_OUT) {
+ if (kfifo_out_locked(&meye.grabq, (unsigned char *)&reqnr,
+ sizeof(int), &meye.grabq_lock) != sizeof(int)) {
+ mchip_free_frame();
+ return IRQ_HANDLED;
+ }
+ mchip_cont_read_frame(v, meye.grab_fbuffer + gbufsize * reqnr,
+ mchip_hsize() * mchip_vsize() * 2);
+ meye.grab_buffer[reqnr].size = mchip_hsize() * mchip_vsize() * 2;
+ meye.grab_buffer[reqnr].state = MEYE_BUF_DONE;
+ do_gettimeofday(&meye.grab_buffer[reqnr].timestamp);
+ meye.grab_buffer[reqnr].sequence = sequence++;
+ kfifo_in_locked(&meye.doneq, (unsigned char *)&reqnr,
+ sizeof(int), &meye.doneq_lock);
+ wake_up_interruptible(&meye.proc_list);
+ } else {
+ int size;
+ size = mchip_comp_read_frame(v, meye.grab_temp, gbufsize);
+ if (size == -1) {
+ mchip_free_frame();
+ goto again;
+ }
+ if (kfifo_out_locked(&meye.grabq, (unsigned char *)&reqnr,
+ sizeof(int), &meye.grabq_lock) != sizeof(int)) {
+ mchip_free_frame();
+ goto again;
+ }
+ memcpy(meye.grab_fbuffer + gbufsize * reqnr, meye.grab_temp,
+ size);
+ meye.grab_buffer[reqnr].size = size;
+ meye.grab_buffer[reqnr].state = MEYE_BUF_DONE;
+ do_gettimeofday(&meye.grab_buffer[reqnr].timestamp);
+ meye.grab_buffer[reqnr].sequence = sequence++;
+ kfifo_in_locked(&meye.doneq, (unsigned char *)&reqnr,
+ sizeof(int), &meye.doneq_lock);
+ wake_up_interruptible(&meye.proc_list);
+ }
+ mchip_free_frame();
+ goto again;
+}
+
+/****************************************************************************/
+/* video4linux integration */
+/****************************************************************************/
+
+static int meye_open(struct file *file)
+{
+ int i;
+
+ if (test_and_set_bit(0, &meye.in_use))
+ return -EBUSY;
+
+ mchip_hic_stop();
+
+ if (mchip_dma_alloc()) {
+ printk(KERN_ERR "meye: mchip framebuffer allocation failed\n");
+ clear_bit(0, &meye.in_use);
+ return -ENOBUFS;
+ }
+
+ for (i = 0; i < MEYE_MAX_BUFNBRS; i++)
+ meye.grab_buffer[i].state = MEYE_BUF_UNUSED;
+ kfifo_reset(&meye.grabq);
+ kfifo_reset(&meye.doneq);
+ return 0;
+}
+
+static int meye_release(struct file *file)
+{
+ mchip_hic_stop();
+ mchip_dma_free();
+ clear_bit(0, &meye.in_use);
+ return 0;
+}
+
+static int meyeioc_g_params(struct meye_params *p)
+{
+ *p = meye.params;
+ return 0;
+}
+
+static int meyeioc_s_params(struct meye_params *jp)
+{
+ if (jp->subsample > 1)
+ return -EINVAL;
+
+ if (jp->quality > 10)
+ return -EINVAL;
+
+ if (jp->sharpness > 63 || jp->agc > 63 || jp->picture > 63)
+ return -EINVAL;
+
+ if (jp->framerate > 31)
+ return -EINVAL;
+
+ mutex_lock(&meye.lock);
+
+ if (meye.params.subsample != jp->subsample ||
+ meye.params.quality != jp->quality)
+ mchip_hic_stop(); /* need restart */
+
+ meye.params = *jp;
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS,
+ meye.params.sharpness);
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC,
+ meye.params.agc);
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE,
+ meye.params.picture);
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int meyeioc_qbuf_capt(int *nb)
+{
+ if (!meye.grab_fbuffer)
+ return -EINVAL;
+
+ if (*nb >= gbuffers)
+ return -EINVAL;
+
+ if (*nb < 0) {
+ /* stop capture */
+ mchip_hic_stop();
+ return 0;
+ }
+
+ if (meye.grab_buffer[*nb].state != MEYE_BUF_UNUSED)
+ return -EBUSY;
+
+ mutex_lock(&meye.lock);
+
+ if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP)
+ mchip_cont_compression_start();
+
+ meye.grab_buffer[*nb].state = MEYE_BUF_USING;
+ kfifo_in_locked(&meye.grabq, (unsigned char *)nb, sizeof(int),
+ &meye.grabq_lock);
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int meyeioc_sync(struct file *file, void *fh, int *i)
+{
+ int unused;
+
+ if (*i < 0 || *i >= gbuffers)
+ return -EINVAL;
+
+ mutex_lock(&meye.lock);
+ switch (meye.grab_buffer[*i].state) {
+
+ case MEYE_BUF_UNUSED:
+ mutex_unlock(&meye.lock);
+ return -EINVAL;
+ case MEYE_BUF_USING:
+ if (file->f_flags & O_NONBLOCK) {
+ mutex_unlock(&meye.lock);
+ return -EAGAIN;
+ }
+ if (wait_event_interruptible(meye.proc_list,
+ (meye.grab_buffer[*i].state != MEYE_BUF_USING))) {
+ mutex_unlock(&meye.lock);
+ return -EINTR;
+ }
+ /* fall through */
+ case MEYE_BUF_DONE:
+ meye.grab_buffer[*i].state = MEYE_BUF_UNUSED;
+ if (kfifo_out_locked(&meye.doneq, (unsigned char *)&unused,
+ sizeof(int), &meye.doneq_lock) != sizeof(int))
+ break;
+ }
+ *i = meye.grab_buffer[*i].size;
+ mutex_unlock(&meye.lock);
+ return 0;
+}
+
+static int meyeioc_stillcapt(void)
+{
+ if (!meye.grab_fbuffer)
+ return -EINVAL;
+
+ if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED)
+ return -EBUSY;
+
+ mutex_lock(&meye.lock);
+ meye.grab_buffer[0].state = MEYE_BUF_USING;
+ mchip_take_picture();
+
+ mchip_get_picture(meye.grab_fbuffer,
+ mchip_hsize() * mchip_vsize() * 2);
+
+ meye.grab_buffer[0].state = MEYE_BUF_DONE;
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int meyeioc_stilljcapt(int *len)
+{
+ if (!meye.grab_fbuffer)
+ return -EINVAL;
+
+ if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED)
+ return -EBUSY;
+
+ mutex_lock(&meye.lock);
+ meye.grab_buffer[0].state = MEYE_BUF_USING;
+ *len = -1;
+
+ while (*len == -1) {
+ mchip_take_picture();
+ *len = mchip_compress_frame(meye.grab_fbuffer, gbufsize);
+ }
+
+ meye.grab_buffer[0].state = MEYE_BUF_DONE;
+ mutex_unlock(&meye.lock);
+ return 0;
+}
+
+static int vidioc_querycap(struct file *file, void *fh,
+ struct v4l2_capability *cap)
+{
+ strcpy(cap->driver, "meye");
+ strcpy(cap->card, "meye");
+ sprintf(cap->bus_info, "PCI:%s", pci_name(meye.mchip_dev));
+
+ cap->version = (MEYE_DRIVER_MAJORVERSION << 8) +
+ MEYE_DRIVER_MINORVERSION;
+
+ cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
+ V4L2_CAP_STREAMING;
+
+ return 0;
+}
+
+static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
+{
+ if (i->index != 0)
+ return -EINVAL;
+
+ strcpy(i->name, "Camera");
+ i->type = V4L2_INPUT_TYPE_CAMERA;
+
+ return 0;
+}
+
+static int vidioc_g_input(struct file *file, void *fh, unsigned int *i)
+{
+ *i = 0;
+ return 0;
+}
+
+static int vidioc_s_input(struct file *file, void *fh, unsigned int i)
+{
+ if (i != 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int vidioc_queryctrl(struct file *file, void *fh,
+ struct v4l2_queryctrl *c)
+{
+ switch (c->id) {
+
+ case V4L2_CID_BRIGHTNESS:
+ c->type = V4L2_CTRL_TYPE_INTEGER;
+ strcpy(c->name, "Brightness");
+ c->minimum = 0;
+ c->maximum = 63;
+ c->step = 1;
+ c->default_value = 32;
+ c->flags = 0;
+ break;
+ case V4L2_CID_HUE:
+ c->type = V4L2_CTRL_TYPE_INTEGER;
+ strcpy(c->name, "Hue");
+ c->minimum = 0;
+ c->maximum = 63;
+ c->step = 1;
+ c->default_value = 32;
+ c->flags = 0;
+ break;
+ case V4L2_CID_CONTRAST:
+ c->type = V4L2_CTRL_TYPE_INTEGER;
+ strcpy(c->name, "Contrast");
+ c->minimum = 0;
+ c->maximum = 63;
+ c->step = 1;
+ c->default_value = 32;
+ c->flags = 0;
+ break;
+ case V4L2_CID_SATURATION:
+ c->type = V4L2_CTRL_TYPE_INTEGER;
+ strcpy(c->name, "Saturation");
+ c->minimum = 0;
+ c->maximum = 63;
+ c->step = 1;
+ c->default_value = 32;
+ c->flags = 0;
+ break;
+ case V4L2_CID_AGC:
+ c->type = V4L2_CTRL_TYPE_INTEGER;
+ strcpy(c->name, "Agc");
+ c->minimum = 0;
+ c->maximum = 63;
+ c->step = 1;
+ c->default_value = 48;
+ c->flags = 0;
+ break;
+ case V4L2_CID_MEYE_SHARPNESS:
+ case V4L2_CID_SHARPNESS:
+ c->type = V4L2_CTRL_TYPE_INTEGER;
+ strcpy(c->name, "Sharpness");
+ c->minimum = 0;
+ c->maximum = 63;
+ c->step = 1;
+ c->default_value = 32;
+
+ /* Continue to report legacy private SHARPNESS ctrl but
+ * say it is disabled in preference to ctrl in the spec
+ */
+ c->flags = (c->id == V4L2_CID_SHARPNESS) ? 0 :
+ V4L2_CTRL_FLAG_DISABLED;
+ break;
+ case V4L2_CID_PICTURE:
+ c->type = V4L2_CTRL_TYPE_INTEGER;
+ strcpy(c->name, "Picture");
+ c->minimum = 0;
+ c->maximum = 63;
+ c->step = 1;
+ c->default_value = 0;
+ c->flags = 0;
+ break;
+ case V4L2_CID_JPEGQUAL:
+ c->type = V4L2_CTRL_TYPE_INTEGER;
+ strcpy(c->name, "JPEG quality");
+ c->minimum = 0;
+ c->maximum = 10;
+ c->step = 1;
+ c->default_value = 8;
+ c->flags = 0;
+ break;
+ case V4L2_CID_FRAMERATE:
+ c->type = V4L2_CTRL_TYPE_INTEGER;
+ strcpy(c->name, "Framerate");
+ c->minimum = 0;
+ c->maximum = 31;
+ c->step = 1;
+ c->default_value = 0;
+ c->flags = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *c)
+{
+ mutex_lock(&meye.lock);
+ switch (c->id) {
+ case V4L2_CID_BRIGHTNESS:
+ sony_pic_camera_command(
+ SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, c->value);
+ meye.brightness = c->value << 10;
+ break;
+ case V4L2_CID_HUE:
+ sony_pic_camera_command(
+ SONY_PIC_COMMAND_SETCAMERAHUE, c->value);
+ meye.hue = c->value << 10;
+ break;
+ case V4L2_CID_CONTRAST:
+ sony_pic_camera_command(
+ SONY_PIC_COMMAND_SETCAMERACONTRAST, c->value);
+ meye.contrast = c->value << 10;
+ break;
+ case V4L2_CID_SATURATION:
+ sony_pic_camera_command(
+ SONY_PIC_COMMAND_SETCAMERACOLOR, c->value);
+ meye.colour = c->value << 10;
+ break;
+ case V4L2_CID_AGC:
+ sony_pic_camera_command(
+ SONY_PIC_COMMAND_SETCAMERAAGC, c->value);
+ meye.params.agc = c->value;
+ break;
+ case V4L2_CID_SHARPNESS:
+ case V4L2_CID_MEYE_SHARPNESS:
+ sony_pic_camera_command(
+ SONY_PIC_COMMAND_SETCAMERASHARPNESS, c->value);
+ meye.params.sharpness = c->value;
+ break;
+ case V4L2_CID_PICTURE:
+ sony_pic_camera_command(
+ SONY_PIC_COMMAND_SETCAMERAPICTURE, c->value);
+ meye.params.picture = c->value;
+ break;
+ case V4L2_CID_JPEGQUAL:
+ meye.params.quality = c->value;
+ break;
+ case V4L2_CID_FRAMERATE:
+ meye.params.framerate = c->value;
+ break;
+ default:
+ mutex_unlock(&meye.lock);
+ return -EINVAL;
+ }
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *c)
+{
+ mutex_lock(&meye.lock);
+ switch (c->id) {
+ case V4L2_CID_BRIGHTNESS:
+ c->value = meye.brightness >> 10;
+ break;
+ case V4L2_CID_HUE:
+ c->value = meye.hue >> 10;
+ break;
+ case V4L2_CID_CONTRAST:
+ c->value = meye.contrast >> 10;
+ break;
+ case V4L2_CID_SATURATION:
+ c->value = meye.colour >> 10;
+ break;
+ case V4L2_CID_AGC:
+ c->value = meye.params.agc;
+ break;
+ case V4L2_CID_SHARPNESS:
+ case V4L2_CID_MEYE_SHARPNESS:
+ c->value = meye.params.sharpness;
+ break;
+ case V4L2_CID_PICTURE:
+ c->value = meye.params.picture;
+ break;
+ case V4L2_CID_JPEGQUAL:
+ c->value = meye.params.quality;
+ break;
+ case V4L2_CID_FRAMERATE:
+ c->value = meye.params.framerate;
+ break;
+ default:
+ mutex_unlock(&meye.lock);
+ return -EINVAL;
+ }
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int vidioc_enum_fmt_vid_cap(struct file *file, void *fh,
+ struct v4l2_fmtdesc *f)
+{
+ if (f->index > 1)
+ return -EINVAL;
+
+ if (f->index == 0) {
+ /* standard YUV 422 capture */
+ f->flags = 0;
+ strcpy(f->description, "YUV422");
+ f->pixelformat = V4L2_PIX_FMT_YUYV;
+ } else {
+ /* compressed MJPEG capture */
+ f->flags = V4L2_FMT_FLAG_COMPRESSED;
+ strcpy(f->description, "MJPEG");
+ f->pixelformat = V4L2_PIX_FMT_MJPEG;
+ }
+
+ return 0;
+}
+
+static int vidioc_try_fmt_vid_cap(struct file *file, void *fh,
+ struct v4l2_format *f)
+{
+ if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV &&
+ f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
+ return -EINVAL;
+
+ if (f->fmt.pix.field != V4L2_FIELD_ANY &&
+ f->fmt.pix.field != V4L2_FIELD_NONE)
+ return -EINVAL;
+
+ f->fmt.pix.field = V4L2_FIELD_NONE;
+
+ if (f->fmt.pix.width <= 320) {
+ f->fmt.pix.width = 320;
+ f->fmt.pix.height = 240;
+ } else {
+ f->fmt.pix.width = 640;
+ f->fmt.pix.height = 480;
+ }
+
+ f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
+ f->fmt.pix.sizeimage = f->fmt.pix.height *
+ f->fmt.pix.bytesperline;
+ f->fmt.pix.colorspace = 0;
+ f->fmt.pix.priv = 0;
+
+ return 0;
+}
+
+static int vidioc_g_fmt_vid_cap(struct file *file, void *fh,
+ struct v4l2_format *f)
+{
+ switch (meye.mchip_mode) {
+ case MCHIP_HIC_MODE_CONT_OUT:
+ default:
+ f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
+ break;
+ case MCHIP_HIC_MODE_CONT_COMP:
+ f->fmt.pix.pixelformat = V4L2_PIX_FMT_MJPEG;
+ break;
+ }
+
+ f->fmt.pix.field = V4L2_FIELD_NONE;
+ f->fmt.pix.width = mchip_hsize();
+ f->fmt.pix.height = mchip_vsize();
+ f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
+ f->fmt.pix.sizeimage = f->fmt.pix.height *
+ f->fmt.pix.bytesperline;
+
+ return 0;
+}
+
+static int vidioc_s_fmt_vid_cap(struct file *file, void *fh,
+ struct v4l2_format *f)
+{
+ if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV &&
+ f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
+ return -EINVAL;
+
+ if (f->fmt.pix.field != V4L2_FIELD_ANY &&
+ f->fmt.pix.field != V4L2_FIELD_NONE)
+ return -EINVAL;
+
+ f->fmt.pix.field = V4L2_FIELD_NONE;
+ mutex_lock(&meye.lock);
+
+ if (f->fmt.pix.width <= 320) {
+ f->fmt.pix.width = 320;
+ f->fmt.pix.height = 240;
+ meye.params.subsample = 1;
+ } else {
+ f->fmt.pix.width = 640;
+ f->fmt.pix.height = 480;
+ meye.params.subsample = 0;
+ }
+
+ switch (f->fmt.pix.pixelformat) {
+ case V4L2_PIX_FMT_YUYV:
+ meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT;
+ break;
+ case V4L2_PIX_FMT_MJPEG:
+ meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP;
+ break;
+ }
+
+ mutex_unlock(&meye.lock);
+ f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
+ f->fmt.pix.sizeimage = f->fmt.pix.height *
+ f->fmt.pix.bytesperline;
+ f->fmt.pix.colorspace = 0;
+ f->fmt.pix.priv = 0;
+
+ return 0;
+}
+
+static int vidioc_reqbufs(struct file *file, void *fh,
+ struct v4l2_requestbuffers *req)
+{
+ int i;
+
+ if (req->memory != V4L2_MEMORY_MMAP)
+ return -EINVAL;
+
+ if (meye.grab_fbuffer && req->count == gbuffers) {
+ /* already allocated, no modifications */
+ return 0;
+ }
+
+ mutex_lock(&meye.lock);
+ if (meye.grab_fbuffer) {
+ for (i = 0; i < gbuffers; i++)
+ if (meye.vma_use_count[i]) {
+ mutex_unlock(&meye.lock);
+ return -EINVAL;
+ }
+ rvfree(meye.grab_fbuffer, gbuffers * gbufsize);
+ meye.grab_fbuffer = NULL;
+ }
+
+ gbuffers = max(2, min((int)req->count, MEYE_MAX_BUFNBRS));
+ req->count = gbuffers;
+ meye.grab_fbuffer = rvmalloc(gbuffers * gbufsize);
+
+ if (!meye.grab_fbuffer) {
+ printk(KERN_ERR "meye: v4l framebuffer allocation"
+ " failed\n");
+ mutex_unlock(&meye.lock);
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < gbuffers; i++)
+ meye.vma_use_count[i] = 0;
+
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int vidioc_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf)
+{
+ unsigned int index = buf->index;
+
+ if (index >= gbuffers)
+ return -EINVAL;
+
+ buf->bytesused = meye.grab_buffer[index].size;
+ buf->flags = V4L2_BUF_FLAG_MAPPED;
+
+ if (meye.grab_buffer[index].state == MEYE_BUF_USING)
+ buf->flags |= V4L2_BUF_FLAG_QUEUED;
+
+ if (meye.grab_buffer[index].state == MEYE_BUF_DONE)
+ buf->flags |= V4L2_BUF_FLAG_DONE;
+
+ buf->field = V4L2_FIELD_NONE;
+ buf->timestamp = meye.grab_buffer[index].timestamp;
+ buf->sequence = meye.grab_buffer[index].sequence;
+ buf->memory = V4L2_MEMORY_MMAP;
+ buf->m.offset = index * gbufsize;
+ buf->length = gbufsize;
+
+ return 0;
+}
+
+static int vidioc_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
+{
+ if (buf->memory != V4L2_MEMORY_MMAP)
+ return -EINVAL;
+
+ if (buf->index >= gbuffers)
+ return -EINVAL;
+
+ if (meye.grab_buffer[buf->index].state != MEYE_BUF_UNUSED)
+ return -EINVAL;
+
+ mutex_lock(&meye.lock);
+ buf->flags |= V4L2_BUF_FLAG_QUEUED;
+ buf->flags &= ~V4L2_BUF_FLAG_DONE;
+ meye.grab_buffer[buf->index].state = MEYE_BUF_USING;
+ kfifo_in_locked(&meye.grabq, (unsigned char *)&buf->index,
+ sizeof(int), &meye.grabq_lock);
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int vidioc_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
+{
+ int reqnr;
+
+ if (buf->memory != V4L2_MEMORY_MMAP)
+ return -EINVAL;
+
+ mutex_lock(&meye.lock);
+
+ if (kfifo_len(&meye.doneq) == 0 && file->f_flags & O_NONBLOCK) {
+ mutex_unlock(&meye.lock);
+ return -EAGAIN;
+ }
+
+ if (wait_event_interruptible(meye.proc_list,
+ kfifo_len(&meye.doneq) != 0) < 0) {
+ mutex_unlock(&meye.lock);
+ return -EINTR;
+ }
+
+ if (!kfifo_out_locked(&meye.doneq, (unsigned char *)&reqnr,
+ sizeof(int), &meye.doneq_lock)) {
+ mutex_unlock(&meye.lock);
+ return -EBUSY;
+ }
+
+ if (meye.grab_buffer[reqnr].state != MEYE_BUF_DONE) {
+ mutex_unlock(&meye.lock);
+ return -EINVAL;
+ }
+
+ buf->index = reqnr;
+ buf->bytesused = meye.grab_buffer[reqnr].size;
+ buf->flags = V4L2_BUF_FLAG_MAPPED;
+ buf->field = V4L2_FIELD_NONE;
+ buf->timestamp = meye.grab_buffer[reqnr].timestamp;
+ buf->sequence = meye.grab_buffer[reqnr].sequence;
+ buf->memory = V4L2_MEMORY_MMAP;
+ buf->m.offset = reqnr * gbufsize;
+ buf->length = gbufsize;
+ meye.grab_buffer[reqnr].state = MEYE_BUF_UNUSED;
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int vidioc_streamon(struct file *file, void *fh, enum v4l2_buf_type i)
+{
+ mutex_lock(&meye.lock);
+
+ switch (meye.mchip_mode) {
+ case MCHIP_HIC_MODE_CONT_OUT:
+ mchip_continuous_start();
+ break;
+ case MCHIP_HIC_MODE_CONT_COMP:
+ mchip_cont_compression_start();
+ break;
+ default:
+ mutex_unlock(&meye.lock);
+ return -EINVAL;
+ }
+
+ mutex_unlock(&meye.lock);
+
+ return 0;
+}
+
+static int vidioc_streamoff(struct file *file, void *fh, enum v4l2_buf_type i)
+{
+ mutex_lock(&meye.lock);
+ mchip_hic_stop();
+ kfifo_reset(&meye.grabq);
+ kfifo_reset(&meye.doneq);
+
+ for (i = 0; i < MEYE_MAX_BUFNBRS; i++)
+ meye.grab_buffer[i].state = MEYE_BUF_UNUSED;
+
+ mutex_unlock(&meye.lock);
+ return 0;
+}
+
+static long vidioc_default(struct file *file, void *fh, bool valid_prio,
+ int cmd, void *arg)
+{
+ switch (cmd) {
+ case MEYEIOC_G_PARAMS:
+ return meyeioc_g_params((struct meye_params *) arg);
+
+ case MEYEIOC_S_PARAMS:
+ return meyeioc_s_params((struct meye_params *) arg);
+
+ case MEYEIOC_QBUF_CAPT:
+ return meyeioc_qbuf_capt((int *) arg);
+
+ case MEYEIOC_SYNC:
+ return meyeioc_sync(file, fh, (int *) arg);
+
+ case MEYEIOC_STILLCAPT:
+ return meyeioc_stillcapt();
+
+ case MEYEIOC_STILLJCAPT:
+ return meyeioc_stilljcapt((int *) arg);
+
+ default:
+ return -ENOTTY;
+ }
+
+}
+
+static unsigned int meye_poll(struct file *file, poll_table *wait)
+{
+ unsigned int res = 0;
+
+ mutex_lock(&meye.lock);
+ poll_wait(file, &meye.proc_list, wait);
+ if (kfifo_len(&meye.doneq))
+ res = POLLIN | POLLRDNORM;
+ mutex_unlock(&meye.lock);
+ return res;
+}
+
+static void meye_vm_open(struct vm_area_struct *vma)
+{
+ long idx = (long)vma->vm_private_data;
+ meye.vma_use_count[idx]++;
+}
+
+static void meye_vm_close(struct vm_area_struct *vma)
+{
+ long idx = (long)vma->vm_private_data;
+ meye.vma_use_count[idx]--;
+}
+
+static const struct vm_operations_struct meye_vm_ops = {
+ .open = meye_vm_open,
+ .close = meye_vm_close,
+};
+
+static int meye_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ unsigned long start = vma->vm_start;
+ unsigned long size = vma->vm_end - vma->vm_start;
+ unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
+ unsigned long page, pos;
+
+ mutex_lock(&meye.lock);
+ if (size > gbuffers * gbufsize) {
+ mutex_unlock(&meye.lock);
+ return -EINVAL;
+ }
+ if (!meye.grab_fbuffer) {
+ int i;
+
+ /* lazy allocation */
+ meye.grab_fbuffer = rvmalloc(gbuffers*gbufsize);
+ if (!meye.grab_fbuffer) {
+ printk(KERN_ERR "meye: v4l framebuffer allocation failed\n");
+ mutex_unlock(&meye.lock);
+ return -ENOMEM;
+ }
+ for (i = 0; i < gbuffers; i++)
+ meye.vma_use_count[i] = 0;
+ }
+ pos = (unsigned long)meye.grab_fbuffer + offset;
+
+ while (size > 0) {
+ page = vmalloc_to_pfn((void *)pos);
+ if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) {
+ mutex_unlock(&meye.lock);
+ return -EAGAIN;
+ }
+ start += PAGE_SIZE;
+ pos += PAGE_SIZE;
+ if (size > PAGE_SIZE)
+ size -= PAGE_SIZE;
+ else
+ size = 0;
+ }
+
+ vma->vm_ops = &meye_vm_ops;
+ vma->vm_flags &= ~VM_IO; /* not I/O memory */
+ vma->vm_flags |= VM_RESERVED; /* avoid to swap out this VMA */
+ vma->vm_private_data = (void *) (offset / gbufsize);
+ meye_vm_open(vma);
+
+ mutex_unlock(&meye.lock);
+ return 0;
+}
+
+static const struct v4l2_file_operations meye_fops = {
+ .owner = THIS_MODULE,
+ .open = meye_open,
+ .release = meye_release,
+ .mmap = meye_mmap,
+ .unlocked_ioctl = video_ioctl2,
+ .poll = meye_poll,
+};
+
+static const struct v4l2_ioctl_ops meye_ioctl_ops = {
+ .vidioc_querycap = vidioc_querycap,
+ .vidioc_enum_input = vidioc_enum_input,
+ .vidioc_g_input = vidioc_g_input,
+ .vidioc_s_input = vidioc_s_input,
+ .vidioc_queryctrl = vidioc_queryctrl,
+ .vidioc_s_ctrl = vidioc_s_ctrl,
+ .vidioc_g_ctrl = vidioc_g_ctrl,
+ .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
+ .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
+ .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
+ .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
+ .vidioc_reqbufs = vidioc_reqbufs,
+ .vidioc_querybuf = vidioc_querybuf,
+ .vidioc_qbuf = vidioc_qbuf,
+ .vidioc_dqbuf = vidioc_dqbuf,
+ .vidioc_streamon = vidioc_streamon,
+ .vidioc_streamoff = vidioc_streamoff,
+ .vidioc_default = vidioc_default,
+};
+
+static struct video_device meye_template = {
+ .name = "meye",
+ .fops = &meye_fops,
+ .ioctl_ops = &meye_ioctl_ops,
+ .release = video_device_release,
+};
+
+#ifdef CONFIG_PM
+static int meye_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ pci_save_state(pdev);
+ meye.pm_mchip_mode = meye.mchip_mode;
+ mchip_hic_stop();
+ mchip_set(MCHIP_MM_INTA, 0x0);
+ return 0;
+}
+
+static int meye_resume(struct pci_dev *pdev)
+{
+ pci_restore_state(pdev);
+ pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+ mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE);
+ msleep(1);
+ mchip_set(MCHIP_VRJ_SOFT_RESET, 1);
+ msleep(1);
+ mchip_set(MCHIP_MM_PCI_MODE, 5);
+ msleep(1);
+ mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK);
+
+ switch (meye.pm_mchip_mode) {
+ case MCHIP_HIC_MODE_CONT_OUT:
+ mchip_continuous_start();
+ break;
+ case MCHIP_HIC_MODE_CONT_COMP:
+ mchip_cont_compression_start();
+ break;
+ }
+ return 0;
+}
+#endif
+
+static int __devinit meye_probe(struct pci_dev *pcidev,
+ const struct pci_device_id *ent)
+{
+ struct v4l2_device *v4l2_dev = &meye.v4l2_dev;
+ int ret = -EBUSY;
+ unsigned long mchip_adr;
+
+ if (meye.mchip_dev != NULL) {
+ printk(KERN_ERR "meye: only one device allowed!\n");
+ goto outnotdev;
+ }
+
+ ret = v4l2_device_register(&pcidev->dev, v4l2_dev);
+ if (ret < 0) {
+ v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
+ return ret;
+ }
+ ret = -ENOMEM;
+ meye.mchip_dev = pcidev;
+ meye.vdev = video_device_alloc();
+ if (!meye.vdev) {
+ v4l2_err(v4l2_dev, "video_device_alloc() failed!\n");
+ goto outnotdev;
+ }
+
+ meye.grab_temp = vmalloc(MCHIP_NB_PAGES_MJPEG * PAGE_SIZE);
+ if (!meye.grab_temp) {
+ v4l2_err(v4l2_dev, "grab buffer allocation failed\n");
+ goto outvmalloc;
+ }
+
+ spin_lock_init(&meye.grabq_lock);
+ if (kfifo_alloc(&meye.grabq, sizeof(int) * MEYE_MAX_BUFNBRS,
+ GFP_KERNEL)) {
+ v4l2_err(v4l2_dev, "fifo allocation failed\n");
+ goto outkfifoalloc1;
+ }
+ spin_lock_init(&meye.doneq_lock);
+ if (kfifo_alloc(&meye.doneq, sizeof(int) * MEYE_MAX_BUFNBRS,
+ GFP_KERNEL)) {
+ v4l2_err(v4l2_dev, "fifo allocation failed\n");
+ goto outkfifoalloc2;
+ }
+
+ memcpy(meye.vdev, &meye_template, sizeof(meye_template));
+ meye.vdev->v4l2_dev = &meye.v4l2_dev;
+
+ ret = -EIO;
+ if ((ret = sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 1))) {
+ v4l2_err(v4l2_dev, "meye: unable to power on the camera\n");
+ v4l2_err(v4l2_dev, "meye: did you enable the camera in "
+ "sonypi using the module options ?\n");
+ goto outsonypienable;
+ }
+
+ if ((ret = pci_enable_device(meye.mchip_dev))) {
+ v4l2_err(v4l2_dev, "meye: pci_enable_device failed\n");
+ goto outenabledev;
+ }
+
+ mchip_adr = pci_resource_start(meye.mchip_dev,0);
+ if (!mchip_adr) {
+ v4l2_err(v4l2_dev, "meye: mchip has no device base address\n");
+ goto outregions;
+ }
+ if (!request_mem_region(pci_resource_start(meye.mchip_dev, 0),
+ pci_resource_len(meye.mchip_dev, 0),
+ "meye")) {
+ v4l2_err(v4l2_dev, "meye: request_mem_region failed\n");
+ goto outregions;
+ }
+ meye.mchip_mmregs = ioremap(mchip_adr, MCHIP_MM_REGS);
+ if (!meye.mchip_mmregs) {
+ v4l2_err(v4l2_dev, "meye: ioremap failed\n");
+ goto outremap;
+ }
+
+ meye.mchip_irq = pcidev->irq;
+ if (request_irq(meye.mchip_irq, meye_irq,
+ IRQF_DISABLED | IRQF_SHARED, "meye", meye_irq)) {
+ v4l2_err(v4l2_dev, "request_irq failed\n");
+ goto outreqirq;
+ }
+
+ pci_write_config_byte(meye.mchip_dev, PCI_CACHE_LINE_SIZE, 8);
+ pci_write_config_byte(meye.mchip_dev, PCI_LATENCY_TIMER, 64);
+
+ pci_set_master(meye.mchip_dev);
+
+ /* Ask the camera to perform a soft reset. */
+ pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1);
+
+ mchip_delay(MCHIP_HIC_CMD, 0);
+ mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE);
+
+ msleep(1);
+ mchip_set(MCHIP_VRJ_SOFT_RESET, 1);
+
+ msleep(1);
+ mchip_set(MCHIP_MM_PCI_MODE, 5);
+
+ msleep(1);
+ mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK);
+
+ mutex_init(&meye.lock);
+ init_waitqueue_head(&meye.proc_list);
+ meye.brightness = 32 << 10;
+ meye.hue = 32 << 10;
+ meye.colour = 32 << 10;
+ meye.contrast = 32 << 10;
+ meye.params.subsample = 0;
+ meye.params.quality = 8;
+ meye.params.sharpness = 32;
+ meye.params.agc = 48;
+ meye.params.picture = 0;
+ meye.params.framerate = 0;
+
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, 32);
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAHUE, 32);
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACOLOR, 32);
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACONTRAST, 32);
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS, 32);
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE, 0);
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC, 48);
+
+ if (video_register_device(meye.vdev, VFL_TYPE_GRABBER,
+ video_nr) < 0) {
+ v4l2_err(v4l2_dev, "video_register_device failed\n");
+ goto outvideoreg;
+ }
+
+ v4l2_info(v4l2_dev, "Motion Eye Camera Driver v%s.\n",
+ MEYE_DRIVER_VERSION);
+ v4l2_info(v4l2_dev, "mchip KL5A72002 rev. %d, base %lx, irq %d\n",
+ meye.mchip_dev->revision, mchip_adr, meye.mchip_irq);
+
+ return 0;
+
+outvideoreg:
+ free_irq(meye.mchip_irq, meye_irq);
+outreqirq:
+ iounmap(meye.mchip_mmregs);
+outremap:
+ release_mem_region(pci_resource_start(meye.mchip_dev, 0),
+ pci_resource_len(meye.mchip_dev, 0));
+outregions:
+ pci_disable_device(meye.mchip_dev);
+outenabledev:
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0);
+outsonypienable:
+ kfifo_free(&meye.doneq);
+outkfifoalloc2:
+ kfifo_free(&meye.grabq);
+outkfifoalloc1:
+ vfree(meye.grab_temp);
+outvmalloc:
+ video_device_release(meye.vdev);
+outnotdev:
+ return ret;
+}
+
+static void __devexit meye_remove(struct pci_dev *pcidev)
+{
+ video_unregister_device(meye.vdev);
+
+ mchip_hic_stop();
+
+ mchip_dma_free();
+
+ /* disable interrupts */
+ mchip_set(MCHIP_MM_INTA, 0x0);
+
+ free_irq(meye.mchip_irq, meye_irq);
+
+ iounmap(meye.mchip_mmregs);
+
+ release_mem_region(pci_resource_start(meye.mchip_dev, 0),
+ pci_resource_len(meye.mchip_dev, 0));
+
+ pci_disable_device(meye.mchip_dev);
+
+ sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0);
+
+ kfifo_free(&meye.doneq);
+ kfifo_free(&meye.grabq);
+
+ vfree(meye.grab_temp);
+
+ if (meye.grab_fbuffer) {
+ rvfree(meye.grab_fbuffer, gbuffers*gbufsize);
+ meye.grab_fbuffer = NULL;
+ }
+
+ printk(KERN_INFO "meye: removed\n");
+}
+
+static struct pci_device_id meye_pci_tbl[] = {
+ { PCI_VDEVICE(KAWASAKI, PCI_DEVICE_ID_MCHIP_KL5A72002), 0 },
+ { }
+};
+
+MODULE_DEVICE_TABLE(pci, meye_pci_tbl);
+
+static struct pci_driver meye_driver = {
+ .name = "meye",
+ .id_table = meye_pci_tbl,
+ .probe = meye_probe,
+ .remove = __devexit_p(meye_remove),
+#ifdef CONFIG_PM
+ .suspend = meye_suspend,
+ .resume = meye_resume,
+#endif
+};
+
+static int __init meye_init(void)
+{
+ gbuffers = max(2, min((int)gbuffers, MEYE_MAX_BUFNBRS));
+ if (gbufsize < 0 || gbufsize > MEYE_MAX_BUFSIZE)
+ gbufsize = MEYE_MAX_BUFSIZE;
+ gbufsize = PAGE_ALIGN(gbufsize);
+ printk(KERN_INFO "meye: using %d buffers with %dk (%dk total) "
+ "for capture\n",
+ gbuffers,
+ gbufsize / 1024, gbuffers * gbufsize / 1024);
+ return pci_register_driver(&meye_driver);
+}
+
+static void __exit meye_exit(void)
+{
+ pci_unregister_driver(&meye_driver);
+}
+
+module_init(meye_init);
+module_exit(meye_exit);
diff --git a/drivers/media/pci/meye/meye.h b/drivers/media/pci/meye/meye.h
new file mode 100644
index 0000000..4bdeb03
--- /dev/null
+++ b/drivers/media/pci/meye/meye.h
@@ -0,0 +1,324 @@
+/*
+ * Motion Eye video4linux driver for Sony Vaio PictureBook
+ *
+ * Copyright (C) 2001-2004 Stelian Pop <stelian@popies.net>
+ *
+ * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
+ *
+ * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
+ *
+ * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
+ *
+ * Some parts borrowed from various video4linux drivers, especially
+ * bttv-driver.c and zoran.c, see original files for credits.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _MEYE_PRIV_H_
+#define _MEYE_PRIV_H_
+
+#define MEYE_DRIVER_MAJORVERSION 1
+#define MEYE_DRIVER_MINORVERSION 14
+
+#define MEYE_DRIVER_VERSION __stringify(MEYE_DRIVER_MAJORVERSION) "." \
+ __stringify(MEYE_DRIVER_MINORVERSION)
+
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/kfifo.h>
+
+/****************************************************************************/
+/* Motion JPEG chip registers */
+/****************************************************************************/
+
+/* Motion JPEG chip PCI configuration registers */
+#define MCHIP_PCI_POWER_CSR 0x54
+#define MCHIP_PCI_MCORE_STATUS 0x60 /* see HIC_STATUS */
+#define MCHIP_PCI_HOSTUSEREQ_SET 0x64
+#define MCHIP_PCI_HOSTUSEREQ_CLR 0x68
+#define MCHIP_PCI_LOWPOWER_SET 0x6c
+#define MCHIP_PCI_LOWPOWER_CLR 0x70
+#define MCHIP_PCI_SOFTRESET_SET 0x74
+
+/* Motion JPEG chip memory mapped registers */
+#define MCHIP_MM_REGS 0x200 /* 512 bytes */
+#define MCHIP_REG_TIMEOUT 1000 /* reg access, ~us */
+#define MCHIP_MCC_VRJ_TIMEOUT 1000 /* MCC & VRJ access */
+
+#define MCHIP_MM_PCI_MODE 0x00 /* PCI access mode */
+#define MCHIP_MM_PCI_MODE_RETRY 0x00000001 /* retry mode */
+#define MCHIP_MM_PCI_MODE_MASTER 0x00000002 /* master access */
+#define MCHIP_MM_PCI_MODE_READ_LINE 0x00000004 /* read line */
+
+#define MCHIP_MM_INTA 0x04 /* Int status/mask */
+#define MCHIP_MM_INTA_MCC 0x00000001 /* MCC interrupt */
+#define MCHIP_MM_INTA_VRJ 0x00000002 /* VRJ interrupt */
+#define MCHIP_MM_INTA_HIC_1 0x00000004 /* one frame done */
+#define MCHIP_MM_INTA_HIC_1_MASK 0x00000400 /* 1: enable */
+#define MCHIP_MM_INTA_HIC_END 0x00000008 /* all frames done */
+#define MCHIP_MM_INTA_HIC_END_MASK 0x00000800
+#define MCHIP_MM_INTA_JPEG 0x00000010 /* decompress. error */
+#define MCHIP_MM_INTA_JPEG_MASK 0x00001000
+#define MCHIP_MM_INTA_CAPTURE 0x00000020 /* capture end */
+#define MCHIP_MM_INTA_PCI_ERR 0x00000040 /* PCI error */
+#define MCHIP_MM_INTA_PCI_ERR_MASK 0x00004000
+
+#define MCHIP_MM_PT_ADDR 0x08 /* page table address*/
+ /* n*4kB */
+#define MCHIP_NB_PAGES 1024 /* pages for display */
+#define MCHIP_NB_PAGES_MJPEG 256 /* pages for mjpeg */
+
+#define MCHIP_MM_FIR(n) (0x0c+(n)*4) /* Frame info 0-3 */
+#define MCHIP_MM_FIR_RDY 0x00000001 /* frame ready */
+#define MCHIP_MM_FIR_FAILFR_MASK 0xf8000000 /* # of failed frames */
+#define MCHIP_MM_FIR_FAILFR_SHIFT 27
+
+ /* continuous comp/decomp mode */
+#define MCHIP_MM_FIR_C_ENDL_MASK 0x000007fe /* end DW [10] */
+#define MCHIP_MM_FIR_C_ENDL_SHIFT 1
+#define MCHIP_MM_FIR_C_ENDP_MASK 0x0007f800 /* end page [8] */
+#define MCHIP_MM_FIR_C_ENDP_SHIFT 11
+#define MCHIP_MM_FIR_C_STARTP_MASK 0x07f80000 /* start page [8] */
+#define MCHIP_MM_FIR_C_STARTP_SHIFT 19
+
+ /* continuous picture output mode */
+#define MCHIP_MM_FIR_O_STARTP_MASK 0x7ffe0000 /* start page [10] */
+#define MCHIP_MM_FIR_O_STARTP_SHIFT 17
+
+#define MCHIP_MM_FIFO_DATA 0x1c /* PCI TGT FIFO data */
+#define MCHIP_MM_FIFO_STATUS 0x20 /* PCI TGT FIFO stat */
+#define MCHIP_MM_FIFO_MASK 0x00000003
+#define MCHIP_MM_FIFO_WAIT_OR_READY 0x00000002 /* Bits common to WAIT & READY*/
+#define MCHIP_MM_FIFO_IDLE 0x0 /* HIC idle */
+#define MCHIP_MM_FIFO_IDLE1 0x1 /* idem ??? */
+#define MCHIP_MM_FIFO_WAIT 0x2 /* wait request */
+#define MCHIP_MM_FIFO_READY 0x3 /* data ready */
+
+#define MCHIP_HIC_HOST_USEREQ 0x40 /* host uses MCORE */
+
+#define MCHIP_HIC_TP_BUSY 0x44 /* taking picture */
+
+#define MCHIP_HIC_PIC_SAVED 0x48 /* pic in SDRAM */
+
+#define MCHIP_HIC_LOWPOWER 0x4c /* clock stopped */
+
+#define MCHIP_HIC_CTL 0x50 /* HIC control */
+#define MCHIP_HIC_CTL_SOFT_RESET 0x00000001 /* MCORE reset */
+#define MCHIP_HIC_CTL_MCORE_RDY 0x00000002 /* MCORE ready */
+
+#define MCHIP_HIC_CMD 0x54 /* HIC command */
+#define MCHIP_HIC_CMD_BITS 0x00000003 /* cmd width=[1:0]*/
+#define MCHIP_HIC_CMD_NOOP 0x0
+#define MCHIP_HIC_CMD_START 0x1
+#define MCHIP_HIC_CMD_STOP 0x2
+
+#define MCHIP_HIC_MODE 0x58
+#define MCHIP_HIC_MODE_NOOP 0x0
+#define MCHIP_HIC_MODE_STILL_CAP 0x1 /* still pic capt */
+#define MCHIP_HIC_MODE_DISPLAY 0x2 /* display */
+#define MCHIP_HIC_MODE_STILL_COMP 0x3 /* still pic comp. */
+#define MCHIP_HIC_MODE_STILL_DECOMP 0x4 /* still pic decomp. */
+#define MCHIP_HIC_MODE_CONT_COMP 0x5 /* cont capt+comp */
+#define MCHIP_HIC_MODE_CONT_DECOMP 0x6 /* cont decomp+disp */
+#define MCHIP_HIC_MODE_STILL_OUT 0x7 /* still pic output */
+#define MCHIP_HIC_MODE_CONT_OUT 0x8 /* cont output */
+
+#define MCHIP_HIC_STATUS 0x5c
+#define MCHIP_HIC_STATUS_MCC_RDY 0x00000001 /* MCC reg acc ok */
+#define MCHIP_HIC_STATUS_VRJ_RDY 0x00000002 /* VRJ reg acc ok */
+#define MCHIP_HIC_STATUS_IDLE 0x00000003
+#define MCHIP_HIC_STATUS_CAPDIS 0x00000004 /* cap/disp in prog */
+#define MCHIP_HIC_STATUS_COMPDEC 0x00000008 /* (de)comp in prog */
+#define MCHIP_HIC_STATUS_BUSY 0x00000010 /* HIC busy */
+
+#define MCHIP_HIC_S_RATE 0x60 /* MJPEG # frames */
+
+#define MCHIP_HIC_PCI_VFMT 0x64 /* video format */
+#define MCHIP_HIC_PCI_VFMT_YVYU 0x00000001 /* 0: V Y' U Y */
+ /* 1: Y' V Y U */
+
+#define MCHIP_MCC_CMD 0x80 /* MCC commands */
+#define MCHIP_MCC_CMD_INITIAL 0x0 /* idle ? */
+#define MCHIP_MCC_CMD_IIC_START_SET 0x1
+#define MCHIP_MCC_CMD_IIC_END_SET 0x2
+#define MCHIP_MCC_CMD_FM_WRITE 0x3 /* frame memory */
+#define MCHIP_MCC_CMD_FM_READ 0x4
+#define MCHIP_MCC_CMD_FM_STOP 0x5
+#define MCHIP_MCC_CMD_CAPTURE 0x6
+#define MCHIP_MCC_CMD_DISPLAY 0x7
+#define MCHIP_MCC_CMD_END_DISP 0x8
+#define MCHIP_MCC_CMD_STILL_COMP 0x9
+#define MCHIP_MCC_CMD_STILL_DECOMP 0xa
+#define MCHIP_MCC_CMD_STILL_OUTPUT 0xb
+#define MCHIP_MCC_CMD_CONT_OUTPUT 0xc
+#define MCHIP_MCC_CMD_CONT_COMP 0xd
+#define MCHIP_MCC_CMD_CONT_DECOMP 0xe
+#define MCHIP_MCC_CMD_RESET 0xf /* MCC reset */
+
+#define MCHIP_MCC_IIC_WR 0x84
+
+#define MCHIP_MCC_MCC_WR 0x88
+
+#define MCHIP_MCC_MCC_RD 0x8c
+
+#define MCHIP_MCC_STATUS 0x90
+#define MCHIP_MCC_STATUS_CAPT 0x00000001 /* capturing */
+#define MCHIP_MCC_STATUS_DISP 0x00000002 /* displaying */
+#define MCHIP_MCC_STATUS_COMP 0x00000004 /* compressing */
+#define MCHIP_MCC_STATUS_DECOMP 0x00000008 /* decompressing */
+#define MCHIP_MCC_STATUS_MCC_WR 0x00000010 /* register ready */
+#define MCHIP_MCC_STATUS_MCC_RD 0x00000020 /* register ready */
+#define MCHIP_MCC_STATUS_IIC_WR 0x00000040 /* register ready */
+#define MCHIP_MCC_STATUS_OUTPUT 0x00000080 /* output in prog */
+
+#define MCHIP_MCC_SIG_POLARITY 0x94
+#define MCHIP_MCC_SIG_POL_VS_H 0x00000001 /* VS active-high */
+#define MCHIP_MCC_SIG_POL_HS_H 0x00000002 /* HS active-high */
+#define MCHIP_MCC_SIG_POL_DOE_H 0x00000004 /* DOE active-high */
+
+#define MCHIP_MCC_IRQ 0x98
+#define MCHIP_MCC_IRQ_CAPDIS_STRT 0x00000001 /* cap/disp started */
+#define MCHIP_MCC_IRQ_CAPDIS_STRT_MASK 0x00000010
+#define MCHIP_MCC_IRQ_CAPDIS_END 0x00000002 /* cap/disp ended */
+#define MCHIP_MCC_IRQ_CAPDIS_END_MASK 0x00000020
+#define MCHIP_MCC_IRQ_COMPDEC_STRT 0x00000004 /* (de)comp started */
+#define MCHIP_MCC_IRQ_COMPDEC_STRT_MASK 0x00000040
+#define MCHIP_MCC_IRQ_COMPDEC_END 0x00000008 /* (de)comp ended */
+#define MCHIP_MCC_IRQ_COMPDEC_END_MASK 0x00000080
+
+#define MCHIP_MCC_HSTART 0x9c /* video in */
+#define MCHIP_MCC_VSTART 0xa0
+#define MCHIP_MCC_HCOUNT 0xa4
+#define MCHIP_MCC_VCOUNT 0xa8
+#define MCHIP_MCC_R_XBASE 0xac /* capt/disp */
+#define MCHIP_MCC_R_YBASE 0xb0
+#define MCHIP_MCC_R_XRANGE 0xb4
+#define MCHIP_MCC_R_YRANGE 0xb8
+#define MCHIP_MCC_B_XBASE 0xbc /* comp/decomp */
+#define MCHIP_MCC_B_YBASE 0xc0
+#define MCHIP_MCC_B_XRANGE 0xc4
+#define MCHIP_MCC_B_YRANGE 0xc8
+
+#define MCHIP_MCC_R_SAMPLING 0xcc /* 1: 1:4 */
+
+#define MCHIP_VRJ_CMD 0x100 /* VRJ commands */
+
+/* VRJ registers (see table 12.2.4) */
+#define MCHIP_VRJ_COMPRESSED_DATA 0x1b0
+#define MCHIP_VRJ_PIXEL_DATA 0x1b8
+
+#define MCHIP_VRJ_BUS_MODE 0x100
+#define MCHIP_VRJ_SIGNAL_ACTIVE_LEVEL 0x108
+#define MCHIP_VRJ_PDAT_USE 0x110
+#define MCHIP_VRJ_MODE_SPECIFY 0x118
+#define MCHIP_VRJ_LIMIT_COMPRESSED_LO 0x120
+#define MCHIP_VRJ_LIMIT_COMPRESSED_HI 0x124
+#define MCHIP_VRJ_COMP_DATA_FORMAT 0x128
+#define MCHIP_VRJ_TABLE_DATA 0x140
+#define MCHIP_VRJ_RESTART_INTERVAL 0x148
+#define MCHIP_VRJ_NUM_LINES 0x150
+#define MCHIP_VRJ_NUM_PIXELS 0x158
+#define MCHIP_VRJ_NUM_COMPONENTS 0x160
+#define MCHIP_VRJ_SOF1 0x168
+#define MCHIP_VRJ_SOF2 0x170
+#define MCHIP_VRJ_SOF3 0x178
+#define MCHIP_VRJ_SOF4 0x180
+#define MCHIP_VRJ_SOS 0x188
+#define MCHIP_VRJ_SOFT_RESET 0x190
+
+#define MCHIP_VRJ_STATUS 0x1c0
+#define MCHIP_VRJ_STATUS_BUSY 0x00001
+#define MCHIP_VRJ_STATUS_COMP_ACCESS 0x00002
+#define MCHIP_VRJ_STATUS_PIXEL_ACCESS 0x00004
+#define MCHIP_VRJ_STATUS_ERROR 0x00008
+
+#define MCHIP_VRJ_IRQ_FLAG 0x1c8
+#define MCHIP_VRJ_ERROR_REPORT 0x1d8
+
+#define MCHIP_VRJ_START_COMMAND 0x1a0
+
+/****************************************************************************/
+/* Driver definitions. */
+/****************************************************************************/
+
+/* Sony Programmable I/O Controller for accessing the camera commands */
+#include <linux/sony-laptop.h>
+
+/* private API definitions */
+#include <linux/meye.h>
+#include <linux/mutex.h>
+
+
+/* Enable jpg software correction */
+#define MEYE_JPEG_CORRECTION 1
+
+/* Maximum size of a buffer */
+#define MEYE_MAX_BUFSIZE 614400 /* 640 * 480 * 2 */
+
+/* Maximum number of buffers */
+#define MEYE_MAX_BUFNBRS 32
+
+/* State of a buffer */
+#define MEYE_BUF_UNUSED 0 /* not used */
+#define MEYE_BUF_USING 1 /* currently grabbing / playing */
+#define MEYE_BUF_DONE 2 /* done */
+
+/* grab buffer */
+struct meye_grab_buffer {
+ int state; /* state of buffer */
+ unsigned long size; /* size of jpg frame */
+ struct timeval timestamp; /* timestamp */
+ unsigned long sequence; /* sequence number */
+};
+
+/* size of kfifos containings buffer indices */
+#define MEYE_QUEUE_SIZE MEYE_MAX_BUFNBRS
+
+/* Motion Eye device structure */
+struct meye {
+ struct v4l2_device v4l2_dev; /* Main v4l2_device struct */
+ struct pci_dev *mchip_dev; /* pci device */
+ u8 mchip_irq; /* irq */
+ u8 mchip_mode; /* actual mchip mode: HIC_MODE... */
+ u8 mchip_fnum; /* current mchip frame number */
+ unsigned char __iomem *mchip_mmregs;/* mchip: memory mapped registers */
+ u8 *mchip_ptable[MCHIP_NB_PAGES];/* mchip: ptable */
+ void *mchip_ptable_toc; /* mchip: ptable toc */
+ dma_addr_t mchip_dmahandle; /* mchip: dma handle to ptable toc */
+ unsigned char *grab_fbuffer; /* capture framebuffer */
+ unsigned char *grab_temp; /* temporary buffer */
+ /* list of buffers */
+ struct meye_grab_buffer grab_buffer[MEYE_MAX_BUFNBRS];
+ int vma_use_count[MEYE_MAX_BUFNBRS]; /* mmap count */
+ struct mutex lock; /* mutex for open/mmap... */
+ struct kfifo grabq; /* queue for buffers to be grabbed */
+ spinlock_t grabq_lock; /* lock protecting the queue */
+ struct kfifo doneq; /* queue for grabbed buffers */
+ spinlock_t doneq_lock; /* lock protecting the queue */
+ wait_queue_head_t proc_list; /* wait queue */
+ struct video_device *vdev; /* video device parameters */
+ u16 brightness;
+ u16 hue;
+ u16 contrast;
+ u16 colour;
+ struct meye_params params; /* additional parameters */
+ unsigned long in_use; /* set to 1 if the device is in use */
+#ifdef CONFIG_PM
+ u8 pm_mchip_mode; /* old mchip mode */
+#endif
+};
+
+#endif
diff --git a/drivers/media/pci/sta2x11/Kconfig b/drivers/media/pci/sta2x11/Kconfig
new file mode 100644
index 0000000..04a82cb
--- /dev/null
+++ b/drivers/media/pci/sta2x11/Kconfig
@@ -0,0 +1,12 @@
+config STA2X11_VIP
+ tristate "STA2X11 VIP Video For Linux"
+ depends on STA2X11
+ select VIDEO_ADV7180 if VIDEO_HELPER_CHIPS_AUTO
+ select VIDEOBUF_DMA_CONTIG
+ depends on PCI && VIDEO_V4L2 && VIRT_TO_BUS
+ help
+ Say Y for support for STA2X11 VIP (Video Input Port) capture
+ device.
+
+ To compile this driver as a module, choose M here: the
+ module will be called sta2x11_vip.
diff --git a/drivers/media/pci/sta2x11/Makefile b/drivers/media/pci/sta2x11/Makefile
new file mode 100644
index 0000000..d6c471d
--- /dev/null
+++ b/drivers/media/pci/sta2x11/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_STA2X11_VIP) += sta2x11_vip.o
diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.c b/drivers/media/pci/sta2x11/sta2x11_vip.c
new file mode 100644
index 0000000..4c10205
--- /dev/null
+++ b/drivers/media/pci/sta2x11/sta2x11_vip.c
@@ -0,0 +1,1550 @@
+/*
+ * This is the driver for the STA2x11 Video Input Port.
+ *
+ * Copyright (C) 2010 WindRiver Systems, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Author: Andreas Kies <andreas.kies@windriver.com>
+ * Vlad Lungu <vlad.lungu@windriver.com>
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/vmalloc.h>
+
+#include <linux/videodev2.h>
+
+#include <linux/kmod.h>
+
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/delay.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <media/videobuf-dma-contig.h>
+
+#include "sta2x11_vip.h"
+
+#define DRV_NAME "sta2x11_vip"
+#define DRV_VERSION "1.3"
+
+#ifndef PCI_DEVICE_ID_STMICRO_VIP
+#define PCI_DEVICE_ID_STMICRO_VIP 0xCC0D
+#endif
+
+#define MAX_FRAMES 4
+
+/*Register offsets*/
+#define DVP_CTL 0x00
+#define DVP_TFO 0x04
+#define DVP_TFS 0x08
+#define DVP_BFO 0x0C
+#define DVP_BFS 0x10
+#define DVP_VTP 0x14
+#define DVP_VBP 0x18
+#define DVP_VMP 0x1C
+#define DVP_ITM 0x98
+#define DVP_ITS 0x9C
+#define DVP_STA 0xA0
+#define DVP_HLFLN 0xA8
+#define DVP_RGB 0xC0
+#define DVP_PKZ 0xF0
+
+/*Register fields*/
+#define DVP_CTL_ENA 0x00000001
+#define DVP_CTL_RST 0x80000000
+#define DVP_CTL_DIS (~0x00040001)
+
+#define DVP_IT_VSB 0x00000008
+#define DVP_IT_VST 0x00000010
+#define DVP_IT_FIFO 0x00000020
+
+#define DVP_HLFLN_SD 0x00000001
+
+#define REG_WRITE(vip, reg, value) iowrite32((value), (vip->iomem)+(reg))
+#define REG_READ(vip, reg) ioread32((vip->iomem)+(reg))
+
+#define SAVE_COUNT 8
+#define AUX_COUNT 3
+#define IRQ_COUNT 1
+
+/**
+ * struct sta2x11_vip - All internal data for one instance of device
+ * @v4l2_dev: device registered in v4l layer
+ * @video_dev: properties of our device
+ * @pdev: PCI device
+ * @adapter: contains I2C adapter information
+ * @register_save_area: All relevant register are saved here during suspend
+ * @decoder: contains information about video DAC
+ * @format: pixel format, fixed UYVY
+ * @std: video standard (e.g. PAL/NTSC)
+ * @input: input line for video signal ( 0 or 1 )
+ * @users: Number of open of device ( max. 1 )
+ * @disabled: Device is in power down state
+ * @mutex: ensures exclusive opening of device
+ * @slock: for excluse acces of registers
+ * @vb_vidq: queue maintained by videobuf layer
+ * @capture: linked list of capture buffer
+ * @active: struct videobuf_buffer currently beingg filled
+ * @started: device is ready to capture frame
+ * @closing: device will be shut down
+ * @tcount: Number of top frames
+ * @bcount: Number of bottom frames
+ * @overflow: Number of FIFO overflows
+ * @mem_spare: small buffer of unused frame
+ * @dma_spare: dma addres of mem_spare
+ * @iomem: hardware base address
+ * @config: I2C and gpio config from platform
+ *
+ * All non-local data is accessed via this structure.
+ */
+
+struct sta2x11_vip {
+ struct v4l2_device v4l2_dev;
+ struct video_device *video_dev;
+ struct pci_dev *pdev;
+ struct i2c_adapter *adapter;
+ unsigned int register_save_area[IRQ_COUNT + SAVE_COUNT + AUX_COUNT];
+ struct v4l2_subdev *decoder;
+ struct v4l2_pix_format format;
+ v4l2_std_id std;
+ unsigned int input;
+ int users;
+ int disabled;
+ struct mutex mutex; /* exclusive access during open */
+ spinlock_t slock; /* spin lock for hardware and queue access */
+ struct videobuf_queue vb_vidq;
+ struct list_head capture;
+ struct videobuf_buffer *active;
+ int started, closing, tcount, bcount;
+ int overflow;
+ void *mem_spare;
+ dma_addr_t dma_spare;
+ void *iomem;
+ struct vip_config *config;
+};
+
+static const unsigned int registers_to_save[AUX_COUNT] = {
+ DVP_HLFLN, DVP_RGB, DVP_PKZ
+};
+
+static struct v4l2_pix_format formats_50[] = {
+ { /*PAL interlaced */
+ .width = 720,
+ .height = 576,
+ .pixelformat = V4L2_PIX_FMT_UYVY,
+ .field = V4L2_FIELD_INTERLACED,
+ .bytesperline = 720 * 2,
+ .sizeimage = 720 * 2 * 576,
+ .colorspace = V4L2_COLORSPACE_SMPTE170M},
+ { /*PAL top */
+ .width = 720,
+ .height = 288,
+ .pixelformat = V4L2_PIX_FMT_UYVY,
+ .field = V4L2_FIELD_TOP,
+ .bytesperline = 720 * 2,
+ .sizeimage = 720 * 2 * 288,
+ .colorspace = V4L2_COLORSPACE_SMPTE170M},
+ { /*PAL bottom */
+ .width = 720,
+ .height = 288,
+ .pixelformat = V4L2_PIX_FMT_UYVY,
+ .field = V4L2_FIELD_BOTTOM,
+ .bytesperline = 720 * 2,
+ .sizeimage = 720 * 2 * 288,
+ .colorspace = V4L2_COLORSPACE_SMPTE170M},
+
+};
+
+static struct v4l2_pix_format formats_60[] = {
+ { /*NTSC interlaced */
+ .width = 720,
+ .height = 480,
+ .pixelformat = V4L2_PIX_FMT_UYVY,
+ .field = V4L2_FIELD_INTERLACED,
+ .bytesperline = 720 * 2,
+ .sizeimage = 720 * 2 * 480,
+ .colorspace = V4L2_COLORSPACE_SMPTE170M},
+ { /*NTSC top */
+ .width = 720,
+ .height = 240,
+ .pixelformat = V4L2_PIX_FMT_UYVY,
+ .field = V4L2_FIELD_TOP,
+ .bytesperline = 720 * 2,
+ .sizeimage = 720 * 2 * 240,
+ .colorspace = V4L2_COLORSPACE_SMPTE170M},
+ { /*NTSC bottom */
+ .width = 720,
+ .height = 240,
+ .pixelformat = V4L2_PIX_FMT_UYVY,
+ .field = V4L2_FIELD_BOTTOM,
+ .bytesperline = 720 * 2,
+ .sizeimage = 720 * 2 * 240,
+ .colorspace = V4L2_COLORSPACE_SMPTE170M},
+};
+
+/**
+ * buf_setup - Get size and number of video buffer
+ * @vq: queue in videobuf
+ * @count: Number of buffers (1..MAX_FRAMES).
+ * 0 use default value.
+ * @size: size of buffer in bytes
+ *
+ * returns size and number of buffers
+ * a preset value of 0 returns the default number.
+ * return value: 0, always succesfull.
+ */
+static int buf_setup(struct videobuf_queue *vq, unsigned int *count,
+ unsigned int *size)
+{
+ struct sta2x11_vip *vip = vq->priv_data;
+
+ *size = vip->format.width * vip->format.height * 2;
+ if (0 == *count || MAX_FRAMES < *count)
+ *count = MAX_FRAMES;
+ return 0;
+};
+
+/**
+ * buf_prepare - prepare buffer for usage
+ * @vq: queue in videobuf layer
+ * @vb: buffer to be prepared
+ * @field: type of video data (interlaced/non-interlaced)
+ *
+ * Allocate or realloc buffer
+ * return value: 0, successful.
+ *
+ * -EINVAL, supplied buffer is too small.
+ *
+ * other, buffer could not be locked.
+ */
+static int buf_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
+ enum v4l2_field field)
+{
+ struct sta2x11_vip *vip = vq->priv_data;
+ int ret;
+
+ vb->size = vip->format.width * vip->format.height * 2;
+ if ((0 != vb->baddr) && (vb->bsize < vb->size))
+ return -EINVAL;
+ vb->width = vip->format.width;
+ vb->height = vip->format.height;
+ vb->field = field;
+
+ if (VIDEOBUF_NEEDS_INIT == vb->state) {
+ ret = videobuf_iolock(vq, vb, NULL);
+ if (ret)
+ goto fail;
+ }
+ vb->state = VIDEOBUF_PREPARED;
+ return 0;
+fail:
+ videobuf_dma_contig_free(vq, vb);
+ vb->state = VIDEOBUF_NEEDS_INIT;
+ return ret;
+}
+
+/**
+ * buf_queu - queue buffer for filling
+ * @vq: queue in videobuf layer
+ * @vb: buffer to be queued
+ *
+ * if capturing is already running, the buffer will be queued. Otherwise
+ * capture is started and the buffer is used directly.
+ */
+static void buf_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
+{
+ struct sta2x11_vip *vip = vq->priv_data;
+ u32 dma;
+
+ vb->state = VIDEOBUF_QUEUED;
+
+ if (vip->active) {
+ list_add_tail(&vb->queue, &vip->capture);
+ return;
+ }
+
+ vip->started = 1;
+ vip->tcount = 0;
+ vip->bcount = 0;
+ vip->active = vb;
+ vb->state = VIDEOBUF_ACTIVE;
+
+ dma = videobuf_to_dma_contig(vb);
+
+ REG_WRITE(vip, DVP_TFO, (0 << 16) | (0));
+ /* despite of interlace mode, upper and lower frames start at zero */
+ REG_WRITE(vip, DVP_BFO, (0 << 16) | (0));
+
+ switch (vip->format.field) {
+ case V4L2_FIELD_INTERLACED:
+ REG_WRITE(vip, DVP_TFS,
+ ((vip->format.height / 2 - 1) << 16) |
+ (2 * vip->format.width - 1));
+ REG_WRITE(vip, DVP_BFS, ((vip->format.height / 2 - 1) << 16) |
+ (2 * vip->format.width - 1));
+ REG_WRITE(vip, DVP_VTP, dma);
+ REG_WRITE(vip, DVP_VBP, dma + vip->format.width * 2);
+ REG_WRITE(vip, DVP_VMP, 4 * vip->format.width);
+ break;
+ case V4L2_FIELD_TOP:
+ REG_WRITE(vip, DVP_TFS,
+ ((vip->format.height - 1) << 16) |
+ (2 * vip->format.width - 1));
+ REG_WRITE(vip, DVP_BFS, ((0) << 16) |
+ (2 * vip->format.width - 1));
+ REG_WRITE(vip, DVP_VTP, dma);
+ REG_WRITE(vip, DVP_VBP, dma);
+ REG_WRITE(vip, DVP_VMP, 2 * vip->format.width);
+ break;
+ case V4L2_FIELD_BOTTOM:
+ REG_WRITE(vip, DVP_TFS, ((0) << 16) |
+ (2 * vip->format.width - 1));
+ REG_WRITE(vip, DVP_BFS,
+ ((vip->format.height) << 16) |
+ (2 * vip->format.width - 1));
+ REG_WRITE(vip, DVP_VTP, dma);
+ REG_WRITE(vip, DVP_VBP, dma);
+ REG_WRITE(vip, DVP_VMP, 2 * vip->format.width);
+ break;
+
+ default:
+ pr_warning("VIP: unknown field format\n");
+ return;
+ }
+
+ REG_WRITE(vip, DVP_CTL, DVP_CTL_ENA);
+}
+
+/**
+ * buff_release - release buffer
+ * @vq: queue in videobuf layer
+ * @vb: buffer to be released
+ *
+ * release buffer in videobuf layer
+ */
+static void buf_release(struct videobuf_queue *vq, struct videobuf_buffer *vb)
+{
+
+ videobuf_dma_contig_free(vq, vb);
+ vb->state = VIDEOBUF_NEEDS_INIT;
+}
+
+static struct videobuf_queue_ops vip_qops = {
+ .buf_setup = buf_setup,
+ .buf_prepare = buf_prepare,
+ .buf_queue = buf_queue,
+ .buf_release = buf_release,
+};
+
+/**
+ * vip_open - open video device
+ * @file: descriptor of device
+ *
+ * open device, make sure it is only opened once.
+ * return value: 0, no error.
+ *
+ * -EBUSY, device is already opened
+ *
+ * -ENOMEM, no memory for auxiliary DMA buffer
+ */
+static int vip_open(struct file *file)
+{
+ struct video_device *dev = video_devdata(file);
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ mutex_lock(&vip->mutex);
+ vip->users++;
+
+ if (vip->users > 1) {
+ vip->users--;
+ mutex_unlock(&vip->mutex);
+ return -EBUSY;
+ }
+
+ file->private_data = dev;
+ vip->overflow = 0;
+ vip->started = 0;
+ vip->closing = 0;
+ vip->active = NULL;
+
+ INIT_LIST_HEAD(&vip->capture);
+ vip->mem_spare = dma_alloc_coherent(&vip->pdev->dev, 64,
+ &vip->dma_spare, GFP_KERNEL);
+ if (!vip->mem_spare) {
+ vip->users--;
+ mutex_unlock(&vip->mutex);
+ return -ENOMEM;
+ }
+
+ mutex_unlock(&vip->mutex);
+ videobuf_queue_dma_contig_init_cached(&vip->vb_vidq,
+ &vip_qops,
+ &vip->pdev->dev,
+ &vip->slock,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ V4L2_FIELD_INTERLACED,
+ sizeof(struct videobuf_buffer),
+ vip, NULL);
+ REG_READ(vip, DVP_ITS);
+ REG_WRITE(vip, DVP_HLFLN, DVP_HLFLN_SD);
+ REG_WRITE(vip, DVP_ITM, DVP_IT_VSB | DVP_IT_VST);
+ REG_WRITE(vip, DVP_CTL, DVP_CTL_RST);
+ REG_WRITE(vip, DVP_CTL, 0);
+ REG_READ(vip, DVP_ITS);
+ return 0;
+}
+
+/**
+ * vip_close - close video device
+ * @file: descriptor of device
+ *
+ * close video device, wait until all pending operations are finished
+ * ( maximum FRAME_MAX buffers pending )
+ * Turn off interrupts.
+ *
+ * return value: 0, always succesful.
+ */
+static int vip_close(struct file *file)
+{
+ struct video_device *dev = video_devdata(file);
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ vip->closing = 1;
+ if (vip->active)
+ videobuf_waiton(&vip->vb_vidq, vip->active, 0, 0);
+ spin_lock_irq(&vip->slock);
+
+ REG_WRITE(vip, DVP_ITM, 0);
+ REG_WRITE(vip, DVP_CTL, DVP_CTL_RST);
+ REG_WRITE(vip, DVP_CTL, 0);
+ REG_READ(vip, DVP_ITS);
+
+ vip->started = 0;
+ vip->active = NULL;
+
+ spin_unlock_irq(&vip->slock);
+
+ videobuf_stop(&vip->vb_vidq);
+ videobuf_mmap_free(&vip->vb_vidq);
+
+ dma_free_coherent(&vip->pdev->dev, 64, vip->mem_spare, vip->dma_spare);
+ file->private_data = NULL;
+ mutex_lock(&vip->mutex);
+ vip->users--;
+ mutex_unlock(&vip->mutex);
+ return 0;
+}
+
+/**
+ * vip_read - read from video input
+ * @file: descriptor of device
+ * @data: user buffer
+ * @count: number of bytes to be read
+ * @ppos: position within stream
+ *
+ * read video data from video device.
+ * handling is done in generic videobuf layer
+ * return value: provided by videobuf layer
+ */
+static ssize_t vip_read(struct file *file, char __user *data,
+ size_t count, loff_t *ppos)
+{
+ struct video_device *dev = file->private_data;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ return videobuf_read_stream(&vip->vb_vidq, data, count, ppos, 0,
+ file->f_flags & O_NONBLOCK);
+}
+
+/**
+ * vip_mmap - map user buffer
+ * @file: descriptor of device
+ * @vma: user buffer
+ *
+ * map user space buffer into kernel mode, including DMA address.
+ * handling is done in generic videobuf layer.
+ * return value: provided by videobuf layer
+ */
+static int vip_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ struct video_device *dev = file->private_data;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ return videobuf_mmap_mapper(&vip->vb_vidq, vma);
+}
+
+/**
+ * vip_poll - poll for event
+ * @file: descriptor of device
+ * @wait: contains events to be waited for
+ *
+ * wait for event related to video device.
+ * handling is done in generic videobuf layer.
+ * return value: provided by videobuf layer
+ */
+static unsigned int vip_poll(struct file *file, struct poll_table_struct *wait)
+{
+ struct video_device *dev = file->private_data;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ return videobuf_poll_stream(file, &vip->vb_vidq, wait);
+}
+
+/**
+ * vidioc_querycap - return capabilities of device
+ * @file: descriptor of device (not used)
+ * @priv: points to current videodevice
+ * @cap: contains return values
+ *
+ * the capabilities of the device are returned
+ *
+ * return value: 0, no error.
+ */
+static int vidioc_querycap(struct file *file, void *priv,
+ struct v4l2_capability *cap)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ memset(cap, 0, sizeof(struct v4l2_capability));
+ strcpy(cap->driver, DRV_NAME);
+ strcpy(cap->card, DRV_NAME);
+ cap->version = 0;
+ snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
+ pci_name(vip->pdev));
+ cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
+ V4L2_CAP_STREAMING;
+
+ return 0;
+}
+
+/**
+ * vidioc_s_std - set video standard
+ * @file: descriptor of device (not used)
+ * @priv: points to current videodevice
+ * @std: contains standard to be set
+ *
+ * the video standard is set
+ *
+ * return value: 0, no error.
+ *
+ * -EIO, no input signal detected
+ *
+ * other, returned from video DAC.
+ */
+static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *std)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+ v4l2_std_id oldstd = vip->std, newstd;
+ int status;
+
+ if (V4L2_STD_ALL == *std) {
+ v4l2_subdev_call(vip->decoder, core, s_std, *std);
+ ssleep(2);
+ v4l2_subdev_call(vip->decoder, video, querystd, &newstd);
+ v4l2_subdev_call(vip->decoder, video, g_input_status, &status);
+ if (status & V4L2_IN_ST_NO_SIGNAL)
+ return -EIO;
+ *std = vip->std = newstd;
+ if (oldstd != *std) {
+ if (V4L2_STD_525_60 & (*std))
+ vip->format = formats_60[0];
+ else
+ vip->format = formats_50[0];
+ }
+ return 0;
+ }
+
+ if (oldstd != *std) {
+ if (V4L2_STD_525_60 & (*std))
+ vip->format = formats_60[0];
+ else
+ vip->format = formats_50[0];
+ }
+
+ return v4l2_subdev_call(vip->decoder, core, s_std, *std);
+}
+
+/**
+ * vidioc_g_std - get video standard
+ * @file: descriptor of device (not used)
+ * @priv: points to current videodevice
+ * @std: contains return values
+ *
+ * the current video standard is returned
+ *
+ * return value: 0, no error.
+ */
+static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *std)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ *std = vip->std;
+ return 0;
+}
+
+/**
+ * vidioc_querystd - get possible video standards
+ * @file: descriptor of device (not used)
+ * @priv: points to current videodevice
+ * @std: contains return values
+ *
+ * all possible video standards are returned
+ *
+ * return value: delivered by video DAC routine.
+ */
+static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *std)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ return v4l2_subdev_call(vip->decoder, video, querystd, std);
+
+}
+
+/**
+ * vidioc_queryctl - get possible control settings
+ * @file: descriptor of device (not used)
+ * @priv: points to current videodevice
+ * @ctrl: contains return values
+ *
+ * return possible values for a control
+ * return value: delivered by video DAC routine.
+ */
+static int vidioc_queryctrl(struct file *file, void *priv,
+ struct v4l2_queryctrl *ctrl)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ return v4l2_subdev_call(vip->decoder, core, queryctrl, ctrl);
+}
+
+/**
+ * vidioc_g_ctl - get control value
+ * @file: descriptor of device (not used)
+ * @priv: points to current videodevice
+ * @ctrl: contains return values
+ *
+ * return setting for a control value
+ * return value: delivered by video DAC routine.
+ */
+static int vidioc_g_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ return v4l2_subdev_call(vip->decoder, core, g_ctrl, ctrl);
+}
+
+/**
+ * vidioc_s_ctl - set control value
+ * @file: descriptor of device (not used)
+ * @priv: points to current videodevice
+ * @ctrl: contains value to be set
+ *
+ * set value for a specific control
+ * return value: delivered by video DAC routine.
+ */
+static int vidioc_s_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ return v4l2_subdev_call(vip->decoder, core, s_ctrl, ctrl);
+}
+
+/**
+ * vidioc_enum_input - return name of input line
+ * @file: descriptor of device (not used)
+ * @priv: points to current videodevice
+ * @inp: contains return values
+ *
+ * the user friendly name of the input line is returned
+ *
+ * return value: 0, no error.
+ *
+ * -EINVAL, input line number out of range
+ */
+static int vidioc_enum_input(struct file *file, void *priv,
+ struct v4l2_input *inp)
+{
+ if (inp->index > 1)
+ return -EINVAL;
+
+ inp->type = V4L2_INPUT_TYPE_CAMERA;
+ inp->std = V4L2_STD_ALL;
+ sprintf(inp->name, "Camera %u", inp->index);
+
+ return 0;
+}
+
+/**
+ * vidioc_s_input - set input line
+ * @file: descriptor of device ( not used)
+ * @priv: points to current videodevice
+ * @i: new input line number
+ *
+ * the current active input line is set
+ *
+ * return value: 0, no error.
+ *
+ * -EINVAL, line number out of range
+ */
+static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+ int ret;
+
+ if (i > 1)
+ return -EINVAL;
+ ret = v4l2_subdev_call(vip->decoder, video, s_routing, i, 0, 0);
+
+ if (!ret)
+ vip->input = i;
+
+ return 0;
+}
+
+/**
+ * vidioc_g_input - return input line
+ * @file: descriptor of device ( not used)
+ * @priv: points to current videodevice
+ * @i: returned input line number
+ *
+ * the current active input line is returned
+ *
+ * return value: always 0.
+ */
+static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ *i = vip->input;
+ return 0;
+}
+
+/**
+ * vidioc_enum_fmt_vid_cap - return video capture format
+ * @file: descriptor of device ( not used)
+ * @priv: points to current videodevice
+ * @f: returned format information
+ *
+ * returns name and format of video capture
+ * Only UYVY is supported by hardware.
+ *
+ * return value: always 0.
+ */
+static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_fmtdesc *f)
+{
+
+ if (f->index != 0)
+ return -EINVAL;
+
+ strcpy(f->description, "4:2:2, packed, UYVY");
+ f->pixelformat = V4L2_PIX_FMT_UYVY;
+ f->flags = 0;
+ return 0;
+}
+
+/**
+ * vidioc_try_fmt_vid_cap - set video capture format
+ * @file: descriptor of device ( not used)
+ * @priv: points to current videodevice
+ * @f: new format
+ *
+ * new video format is set which includes width and
+ * field type. width is fixed to 720, no scaling.
+ * Only UYVY is supported by this hardware.
+ * the minimum height is 200, the maximum is 576 (PAL)
+ *
+ * return value: 0, no error
+ *
+ * -EINVAL, pixel or field format not supported
+ *
+ */
+static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+ int interlace_lim;
+
+ if (V4L2_PIX_FMT_UYVY != f->fmt.pix.pixelformat)
+ return -EINVAL;
+
+ if (V4L2_STD_525_60 & vip->std)
+ interlace_lim = 240;
+ else
+ interlace_lim = 288;
+
+ switch (f->fmt.pix.field) {
+ case V4L2_FIELD_ANY:
+ if (interlace_lim < f->fmt.pix.height)
+ f->fmt.pix.field = V4L2_FIELD_INTERLACED;
+ else
+ f->fmt.pix.field = V4L2_FIELD_BOTTOM;
+ break;
+ case V4L2_FIELD_TOP:
+ case V4L2_FIELD_BOTTOM:
+ if (interlace_lim < f->fmt.pix.height)
+ f->fmt.pix.height = interlace_lim;
+ break;
+ case V4L2_FIELD_INTERLACED:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ f->fmt.pix.height &= ~1;
+ if (2 * interlace_lim < f->fmt.pix.height)
+ f->fmt.pix.height = 2 * interlace_lim;
+ if (200 > f->fmt.pix.height)
+ f->fmt.pix.height = 200;
+ f->fmt.pix.width = 720;
+ f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
+ f->fmt.pix.sizeimage = f->fmt.pix.width * 2 * f->fmt.pix.height;
+ f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+ f->fmt.pix.priv = 0;
+ return 0;
+}
+
+/**
+ * vidioc_s_fmt_vid_cap - set current video format parameters
+ * @file: descriptor of device ( not used)
+ * @priv: points to current videodevice
+ * @f: returned format information
+ *
+ * set new capture format
+ * return value: 0, no error
+ *
+ * other, delivered by video DAC routine.
+ */
+static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+ int ret;
+
+ ret = vidioc_try_fmt_vid_cap(file, priv, f);
+ if (ret)
+ return ret;
+
+ memcpy(&vip->format, &f->fmt.pix, sizeof(struct v4l2_pix_format));
+ return 0;
+}
+
+/**
+ * vidioc_g_fmt_vid_cap - get current video format parameters
+ * @file: descriptor of device ( not used)
+ * @priv: points to current videodevice
+ * @f: contains format information
+ *
+ * returns current video format parameters
+ *
+ * return value: 0, always successful
+ */
+static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ memcpy(&f->fmt.pix, &vip->format, sizeof(struct v4l2_pix_format));
+ return 0;
+}
+
+/**
+ * vidioc_reqfs - request buffer
+ * @file: descriptor of device ( not used)
+ * @priv: points to current videodevice
+ * @p: video buffer
+ *
+ * Handling is done in generic videobuf layer.
+ */
+static int vidioc_reqbufs(struct file *file, void *priv,
+ struct v4l2_requestbuffers *p)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ return videobuf_reqbufs(&vip->vb_vidq, p);
+}
+
+/**
+ * vidioc_querybuf - query buffer
+ * @file: descriptor of device ( not used)
+ * @priv: points to current videodevice
+ * @p: video buffer
+ *
+ * query buffer state.
+ * Handling is done in generic videobuf layer.
+ */
+static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ return videobuf_querybuf(&vip->vb_vidq, p);
+}
+
+/**
+ * vidioc_qbuf - queue a buffer
+ * @file: descriptor of device ( not used)
+ * @priv: points to current videodevice
+ * @p: video buffer
+ *
+ * Handling is done in generic videobuf layer.
+ */
+static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ return videobuf_qbuf(&vip->vb_vidq, p);
+}
+
+/**
+ * vidioc_dqbuf - dequeue a buffer
+ * @file: descriptor of device ( not used)
+ * @priv: points to current videodevice
+ * @p: video buffer
+ *
+ * Handling is done in generic videobuf layer.
+ */
+static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ return videobuf_dqbuf(&vip->vb_vidq, p, file->f_flags & O_NONBLOCK);
+}
+
+/**
+ * vidioc_streamon - turn on streaming
+ * @file: descriptor of device ( not used)
+ * @priv: points to current videodevice
+ * @type: type of capture
+ *
+ * turn on streaming.
+ * Handling is done in generic videobuf layer.
+ */
+static int vidioc_streamon(struct file *file, void *priv,
+ enum v4l2_buf_type type)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ return videobuf_streamon(&vip->vb_vidq);
+}
+
+/**
+ * vidioc_streamoff - turn off streaming
+ * @file: descriptor of device ( not used)
+ * @priv: points to current videodevice
+ * @type: type of capture
+ *
+ * turn off streaming.
+ * Handling is done in generic videobuf layer.
+ */
+static int vidioc_streamoff(struct file *file, void *priv,
+ enum v4l2_buf_type type)
+{
+ struct video_device *dev = priv;
+ struct sta2x11_vip *vip = video_get_drvdata(dev);
+
+ return videobuf_streamoff(&vip->vb_vidq);
+}
+
+static const struct v4l2_file_operations vip_fops = {
+ .owner = THIS_MODULE,
+ .open = vip_open,
+ .release = vip_close,
+ .ioctl = video_ioctl2,
+ .read = vip_read,
+ .mmap = vip_mmap,
+ .poll = vip_poll
+};
+
+static const struct v4l2_ioctl_ops vip_ioctl_ops = {
+ .vidioc_querycap = vidioc_querycap,
+ .vidioc_s_std = vidioc_s_std,
+ .vidioc_g_std = vidioc_g_std,
+ .vidioc_querystd = vidioc_querystd,
+ .vidioc_queryctrl = vidioc_queryctrl,
+ .vidioc_g_ctrl = vidioc_g_ctrl,
+ .vidioc_s_ctrl = vidioc_s_ctrl,
+ .vidioc_enum_input = vidioc_enum_input,
+ .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
+ .vidioc_s_input = vidioc_s_input,
+ .vidioc_g_input = vidioc_g_input,
+ .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
+ .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
+ .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
+ .vidioc_reqbufs = vidioc_reqbufs,
+ .vidioc_querybuf = vidioc_querybuf,
+ .vidioc_qbuf = vidioc_qbuf,
+ .vidioc_dqbuf = vidioc_dqbuf,
+ .vidioc_streamon = vidioc_streamon,
+ .vidioc_streamoff = vidioc_streamoff,
+};
+
+static struct video_device video_dev_template = {
+ .name = DRV_NAME,
+ .release = video_device_release,
+ .fops = &vip_fops,
+ .ioctl_ops = &vip_ioctl_ops,
+ .tvnorms = V4L2_STD_ALL,
+};
+
+/**
+ * vip_irq - interrupt routine
+ * @irq: Number of interrupt ( not used, correct number is assumed )
+ * @vip: local data structure containing all information
+ *
+ * check for both frame interrupts set ( top and bottom ).
+ * check FIFO overflow, but limit number of log messages after open.
+ * signal a complete buffer if done.
+ * dequeue a new buffer if available.
+ * disable VIP if no buffer available.
+ *
+ * return value: IRQ_NONE, interrupt was not generated by VIP
+ *
+ * IRQ_HANDLED, interrupt done.
+ */
+static irqreturn_t vip_irq(int irq, struct sta2x11_vip *vip)
+{
+ u32 status, dma;
+ unsigned long flags;
+ struct videobuf_buffer *vb;
+
+ status = REG_READ(vip, DVP_ITS);
+
+ if (!status) {
+ pr_debug("VIP: irq ignored\n");
+ return IRQ_NONE;
+ }
+
+ if (!vip->started)
+ return IRQ_HANDLED;
+
+ if (status & DVP_IT_VSB)
+ vip->bcount++;
+
+ if (status & DVP_IT_VST)
+ vip->tcount++;
+
+ if ((DVP_IT_VSB | DVP_IT_VST) == (status & (DVP_IT_VST | DVP_IT_VSB))) {
+ /* this is bad, we are too slow, hope the condition is gone
+ * on the next frame */
+ pr_info("VIP: both irqs\n");
+ return IRQ_HANDLED;
+ }
+
+ if (status & DVP_IT_FIFO) {
+ if (5 > vip->overflow++)
+ pr_info("VIP: fifo overflow\n");
+ }
+
+ if (2 > vip->tcount)
+ return IRQ_HANDLED;
+
+ if (status & DVP_IT_VSB)
+ return IRQ_HANDLED;
+
+ spin_lock_irqsave(&vip->slock, flags);
+
+ REG_WRITE(vip, DVP_CTL, REG_READ(vip, DVP_CTL) & ~DVP_CTL_ENA);
+ if (vip->active) {
+ do_gettimeofday(&vip->active->ts);
+ vip->active->field_count++;
+ vip->active->state = VIDEOBUF_DONE;
+ wake_up(&vip->active->done);
+ vip->active = NULL;
+ }
+ if (!vip->closing) {
+ if (list_empty(&vip->capture))
+ goto done;
+
+ vb = list_first_entry(&vip->capture, struct videobuf_buffer,
+ queue);
+ if (NULL == vb) {
+ pr_info("VIP: no buffer\n");
+ goto done;
+ }
+ vb->state = VIDEOBUF_ACTIVE;
+ list_del(&vb->queue);
+ vip->active = vb;
+ dma = videobuf_to_dma_contig(vb);
+ switch (vip->format.field) {
+ case V4L2_FIELD_INTERLACED:
+ REG_WRITE(vip, DVP_VTP, dma);
+ REG_WRITE(vip, DVP_VBP, dma + vip->format.width * 2);
+ break;
+ case V4L2_FIELD_TOP:
+ case V4L2_FIELD_BOTTOM:
+ REG_WRITE(vip, DVP_VTP, dma);
+ REG_WRITE(vip, DVP_VBP, dma);
+ break;
+ default:
+ pr_warning("VIP: unknown field format\n");
+ goto done;
+ break;
+ }
+ REG_WRITE(vip, DVP_CTL, REG_READ(vip, DVP_CTL) | DVP_CTL_ENA);
+ }
+done:
+ spin_unlock_irqrestore(&vip->slock, flags);
+ return IRQ_HANDLED;
+}
+
+/**
+ * vip_gpio_reserve - reserve gpio pin
+ * @dev: device
+ * @pin: GPIO pin number
+ * @dir: direction, input or output
+ * @name: GPIO pin name
+ *
+ */
+static int vip_gpio_reserve(struct device *dev, int pin, int dir,
+ const char *name)
+{
+ int ret;
+
+ if (pin == -1)
+ return 0;
+
+ ret = gpio_request(pin, name);
+ if (ret) {
+ dev_err(dev, "Failed to allocate pin %d (%s)\n", pin, name);
+ return ret;
+ }
+
+ ret = gpio_direction_output(pin, dir);
+ if (ret) {
+ dev_err(dev, "Failed to set direction for pin %d (%s)\n",
+ pin, name);
+ gpio_free(pin);
+ return ret;
+ }
+
+ ret = gpio_export(pin, false);
+ if (ret) {
+ dev_err(dev, "Failed to export pin %d (%s)\n", pin, name);
+ gpio_free(pin);
+ return ret;
+ }
+
+ return 0;
+}
+
+/**
+ * vip_gpio_release - release gpio pin
+ * @dev: device
+ * @pin: GPIO pin number
+ * @name: GPIO pin name
+ *
+ */
+static void vip_gpio_release(struct device *dev, int pin, const char *name)
+{
+ if (pin != -1) {
+ dev_dbg(dev, "releasing pin %d (%s)\n", pin, name);
+ gpio_unexport(pin);
+ gpio_free(pin);
+ }
+}
+
+/**
+ * sta2x11_vip_init_one - init one instance of video device
+ * @pdev: PCI device
+ * @ent: (not used)
+ *
+ * allocate reset pins for DAC.
+ * Reset video DAC, this is done via reset line.
+ * allocate memory for managing device
+ * request interrupt
+ * map IO region
+ * register device
+ * find and initialize video DAC
+ *
+ * return value: 0, no error
+ *
+ * -ENOMEM, no memory
+ *
+ * -ENODEV, device could not be detected or registered
+ */
+static int __devinit sta2x11_vip_init_one(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ int ret;
+ struct sta2x11_vip *vip;
+ struct vip_config *config;
+
+ ret = pci_enable_device(pdev);
+ if (ret)
+ return ret;
+
+ config = dev_get_platdata(&pdev->dev);
+ if (!config) {
+ dev_info(&pdev->dev, "VIP slot disabled\n");
+ ret = -EINVAL;
+ goto disable;
+ }
+
+ ret = vip_gpio_reserve(&pdev->dev, config->pwr_pin, 0,
+ config->pwr_name);
+ if (ret)
+ goto disable;
+
+ if (config->reset_pin >= 0) {
+ ret = vip_gpio_reserve(&pdev->dev, config->reset_pin, 0,
+ config->reset_name);
+ if (ret) {
+ vip_gpio_release(&pdev->dev, config->pwr_pin,
+ config->pwr_name);
+ goto disable;
+ }
+ }
+
+ if (config->pwr_pin != -1) {
+ /* Datasheet says 5ms between PWR and RST */
+ usleep_range(5000, 25000);
+ ret = gpio_direction_output(config->pwr_pin, 1);
+ }
+
+ if (config->reset_pin != -1) {
+ /* Datasheet says 5ms between PWR and RST */
+ usleep_range(5000, 25000);
+ ret = gpio_direction_output(config->reset_pin, 1);
+ }
+ usleep_range(5000, 25000);
+
+ vip = kzalloc(sizeof(struct sta2x11_vip), GFP_KERNEL);
+ if (!vip) {
+ ret = -ENOMEM;
+ goto release_gpios;
+ }
+
+ vip->pdev = pdev;
+ vip->std = V4L2_STD_PAL;
+ vip->format = formats_50[0];
+ vip->config = config;
+
+ if (v4l2_device_register(&pdev->dev, &vip->v4l2_dev))
+ goto free_mem;
+
+ dev_dbg(&pdev->dev, "BAR #0 at 0x%lx 0x%lx irq %d\n",
+ (unsigned long)pci_resource_start(pdev, 0),
+ (unsigned long)pci_resource_len(pdev, 0), pdev->irq);
+
+ pci_set_master(pdev);
+
+ ret = pci_request_regions(pdev, DRV_NAME);
+ if (ret)
+ goto unreg;
+
+ vip->iomem = pci_iomap(pdev, 0, 0x100);
+ if (!vip->iomem) {
+ ret = -ENOMEM; /* FIXME */
+ goto release;
+ }
+
+ pci_enable_msi(pdev);
+
+ INIT_LIST_HEAD(&vip->capture);
+ spin_lock_init(&vip->slock);
+ mutex_init(&vip->mutex);
+ vip->started = 0;
+ vip->disabled = 0;
+
+ ret = request_irq(pdev->irq,
+ (irq_handler_t) vip_irq,
+ IRQF_SHARED, DRV_NAME, vip);
+ if (ret) {
+ dev_err(&pdev->dev, "request_irq failed\n");
+ ret = -ENODEV;
+ goto unmap;
+ }
+
+ vip->video_dev = video_device_alloc();
+ if (!vip->video_dev) {
+ ret = -ENOMEM;
+ goto release_irq;
+ }
+
+ *(vip->video_dev) = video_dev_template;
+ video_set_drvdata(vip->video_dev, vip);
+
+ ret = video_register_device(vip->video_dev, VFL_TYPE_GRABBER, -1);
+ if (ret)
+ goto vrelease;
+
+ vip->adapter = i2c_get_adapter(vip->config->i2c_id);
+ if (!vip->adapter) {
+ ret = -ENODEV;
+ dev_err(&pdev->dev, "no I2C adapter found\n");
+ goto vunreg;
+ }
+
+ vip->decoder = v4l2_i2c_new_subdev(&vip->v4l2_dev, vip->adapter,
+ "adv7180", vip->config->i2c_addr,
+ NULL);
+ if (!vip->decoder) {
+ ret = -ENODEV;
+ dev_err(&pdev->dev, "no decoder found\n");
+ goto vunreg;
+ }
+
+ i2c_put_adapter(vip->adapter);
+
+ v4l2_subdev_call(vip->decoder, core, init, 0);
+
+ pr_info("STA2X11 Video Input Port (VIP) loaded\n");
+ return 0;
+
+vunreg:
+ video_set_drvdata(vip->video_dev, NULL);
+vrelease:
+ if (video_is_registered(vip->video_dev))
+ video_unregister_device(vip->video_dev);
+ else
+ video_device_release(vip->video_dev);
+release_irq:
+ free_irq(pdev->irq, vip);
+ pci_disable_msi(pdev);
+unmap:
+ pci_iounmap(pdev, vip->iomem);
+ mutex_destroy(&vip->mutex);
+release:
+ pci_release_regions(pdev);
+unreg:
+ v4l2_device_unregister(&vip->v4l2_dev);
+free_mem:
+ kfree(vip);
+release_gpios:
+ vip_gpio_release(&pdev->dev, config->reset_pin, config->reset_name);
+ vip_gpio_release(&pdev->dev, config->pwr_pin, config->pwr_name);
+disable:
+ /*
+ * do not call pci_disable_device on sta2x11 because it break all
+ * other Bus masters on this EP
+ */
+ return ret;
+}
+
+/**
+ * sta2x11_vip_remove_one - release device
+ * @pdev: PCI device
+ *
+ * Undo everything done in .._init_one
+ *
+ * unregister video device
+ * free interrupt
+ * unmap ioadresses
+ * free memory
+ * free GPIO pins
+ */
+static void __devexit sta2x11_vip_remove_one(struct pci_dev *pdev)
+{
+ struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev);
+ struct sta2x11_vip *vip =
+ container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev);
+
+ video_set_drvdata(vip->video_dev, NULL);
+ video_unregister_device(vip->video_dev);
+ /*do not call video_device_release() here, is already done */
+ free_irq(pdev->irq, vip);
+ pci_disable_msi(pdev);
+ pci_iounmap(pdev, vip->iomem);
+ pci_release_regions(pdev);
+
+ v4l2_device_unregister(&vip->v4l2_dev);
+ mutex_destroy(&vip->mutex);
+
+ vip_gpio_release(&pdev->dev, vip->config->pwr_pin,
+ vip->config->pwr_name);
+ vip_gpio_release(&pdev->dev, vip->config->reset_pin,
+ vip->config->reset_name);
+
+ kfree(vip);
+ /*
+ * do not call pci_disable_device on sta2x11 because it break all
+ * other Bus masters on this EP
+ */
+}
+
+#ifdef CONFIG_PM
+
+/**
+ * sta2x11_vip_suspend - set device into power save mode
+ * @pdev: PCI device
+ * @state: new state of device
+ *
+ * all relevant registers are saved and an attempt to set a new state is made.
+ *
+ * return value: 0 always indicate success,
+ * even if device could not be disabled. (workaround for hardware problem)
+ *
+ * reurn value : 0, always succesful, even if hardware does not not support
+ * power down mode.
+ */
+static int sta2x11_vip_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev);
+ struct sta2x11_vip *vip =
+ container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev);
+ unsigned long flags;
+ int i;
+
+ spin_lock_irqsave(&vip->slock, flags);
+ vip->register_save_area[0] = REG_READ(vip, DVP_CTL);
+ REG_WRITE(vip, DVP_CTL, vip->register_save_area[0] & DVP_CTL_DIS);
+ vip->register_save_area[SAVE_COUNT] = REG_READ(vip, DVP_ITM);
+ REG_WRITE(vip, DVP_ITM, 0);
+ for (i = 1; i < SAVE_COUNT; i++)
+ vip->register_save_area[i] = REG_READ(vip, 4 * i);
+ for (i = 0; i < AUX_COUNT; i++)
+ vip->register_save_area[SAVE_COUNT + IRQ_COUNT + i] =
+ REG_READ(vip, registers_to_save[i]);
+ spin_unlock_irqrestore(&vip->slock, flags);
+ /* save pci state */
+ pci_save_state(pdev);
+ if (pci_set_power_state(pdev, pci_choose_state(pdev, state))) {
+ /*
+ * do not call pci_disable_device on sta2x11 because it
+ * break all other Bus masters on this EP
+ */
+ vip->disabled = 1;
+ }
+
+ pr_info("VIP: suspend\n");
+ return 0;
+}
+
+/**
+ * sta2x11_vip_resume - resume device operation
+ * @pdev : PCI device
+ *
+ * re-enable device, set PCI state to powered and restore registers.
+ * resume normal device operation afterwards.
+ *
+ * return value: 0, no error.
+ *
+ * other, could not set device to power on state.
+ */
+static int sta2x11_vip_resume(struct pci_dev *pdev)
+{
+ struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev);
+ struct sta2x11_vip *vip =
+ container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev);
+ unsigned long flags;
+ int ret, i;
+
+ pr_info("VIP: resume\n");
+ /* restore pci state */
+ if (vip->disabled) {
+ ret = pci_enable_device(pdev);
+ if (ret) {
+ pr_warning("VIP: Can't enable device.\n");
+ return ret;
+ }
+ vip->disabled = 0;
+ }
+ ret = pci_set_power_state(pdev, PCI_D0);
+ if (ret) {
+ /*
+ * do not call pci_disable_device on sta2x11 because it
+ * break all other Bus masters on this EP
+ */
+ pr_warning("VIP: Can't enable device.\n");
+ vip->disabled = 1;
+ return ret;
+ }
+
+ pci_restore_state(pdev);
+
+ spin_lock_irqsave(&vip->slock, flags);
+ for (i = 1; i < SAVE_COUNT; i++)
+ REG_WRITE(vip, 4 * i, vip->register_save_area[i]);
+ for (i = 0; i < AUX_COUNT; i++)
+ REG_WRITE(vip, registers_to_save[i],
+ vip->register_save_area[SAVE_COUNT + IRQ_COUNT + i]);
+ REG_WRITE(vip, DVP_CTL, vip->register_save_area[0]);
+ REG_WRITE(vip, DVP_ITM, vip->register_save_area[SAVE_COUNT]);
+ spin_unlock_irqrestore(&vip->slock, flags);
+ return 0;
+}
+
+#endif
+
+static DEFINE_PCI_DEVICE_TABLE(sta2x11_vip_pci_tbl) = {
+ {PCI_DEVICE(PCI_VENDOR_ID_STMICRO, PCI_DEVICE_ID_STMICRO_VIP)},
+ {0,}
+};
+
+static struct pci_driver sta2x11_vip_driver = {
+ .name = DRV_NAME,
+ .probe = sta2x11_vip_init_one,
+ .remove = __devexit_p(sta2x11_vip_remove_one),
+ .id_table = sta2x11_vip_pci_tbl,
+#ifdef CONFIG_PM
+ .suspend = sta2x11_vip_suspend,
+ .resume = sta2x11_vip_resume,
+#endif
+};
+
+static int __init sta2x11_vip_init_module(void)
+{
+ return pci_register_driver(&sta2x11_vip_driver);
+}
+
+static void __exit sta2x11_vip_exit_module(void)
+{
+ pci_unregister_driver(&sta2x11_vip_driver);
+}
+
+#ifdef MODULE
+module_init(sta2x11_vip_init_module);
+module_exit(sta2x11_vip_exit_module);
+#else
+late_initcall_sync(sta2x11_vip_init_module);
+#endif
+
+MODULE_DESCRIPTION("STA2X11 Video Input Port driver");
+MODULE_AUTHOR("Wind River");
+MODULE_LICENSE("GPL v2");
+MODULE_SUPPORTED_DEVICE("sta2x11 video input");
+MODULE_VERSION(DRV_VERSION);
+MODULE_DEVICE_TABLE(pci, sta2x11_vip_pci_tbl);
diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.h b/drivers/media/pci/sta2x11/sta2x11_vip.h
new file mode 100644
index 0000000..4f81a13
--- /dev/null
+++ b/drivers/media/pci/sta2x11/sta2x11_vip.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2011 Wind River Systems, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Anders Wallin <anders.wallin@windriver.com>
+ *
+ */
+
+#ifndef __STA2X11_VIP_H
+#define __STA2X11_VIP_H
+
+/**
+ * struct vip_config - video input configuration data
+ * @pwr_name: ADV powerdown name
+ * @pwr_pin: ADV powerdown pin
+ * @reset_name: ADV reset name
+ * @reset_pin: ADV reset pin
+ */
+struct vip_config {
+ const char *pwr_name;
+ int pwr_pin;
+ const char *reset_name;
+ int reset_pin;
+ int i2c_id;
+ int i2c_addr;
+};
+
+#endif /* __STA2X11_VIP_H */
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