[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/media/i2c/saa7185.c b/src/kernel/linux/v4.19/drivers/media/i2c/saa7185.c
new file mode 100644
index 0000000..0e27faf
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/media/i2c/saa7185.c
@@ -0,0 +1,362 @@
+/*
+ * saa7185 - Philips SAA7185B video encoder driver version 0.0.3
+ *
+ * Copyright (C) 1998 Dave Perks <dperks@ibm.net>
+ *
+ * Slight changes for video timing and attachment output by
+ * Wolfgang Scherr <scherr@net4you.net>
+ *
+ * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net>
+ * - moved over to linux>=2.4.x i2c protocol (1/1/2003)
+ *
+ * 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.
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/ioctl.h>
+#include <linux/uaccess.h>
+#include <linux/i2c.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-device.h>
+
+MODULE_DESCRIPTION("Philips SAA7185 video encoder driver");
+MODULE_AUTHOR("Dave Perks");
+MODULE_LICENSE("GPL");
+
+static int debug;
+module_param(debug, int, 0);
+MODULE_PARM_DESC(debug, "Debug level (0-1)");
+
+
+/* ----------------------------------------------------------------------- */
+
+struct saa7185 {
+ struct v4l2_subdev sd;
+ unsigned char reg[128];
+
+ v4l2_std_id norm;
+};
+
+static inline struct saa7185 *to_saa7185(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct saa7185, sd);
+}
+
+/* ----------------------------------------------------------------------- */
+
+static inline int saa7185_read(struct v4l2_subdev *sd)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ return i2c_smbus_read_byte(client);
+}
+
+static int saa7185_write(struct v4l2_subdev *sd, u8 reg, u8 value)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct saa7185 *encoder = to_saa7185(sd);
+
+ v4l2_dbg(1, debug, sd, "%02x set to %02x\n", reg, value);
+ encoder->reg[reg] = value;
+ return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+static int saa7185_write_block(struct v4l2_subdev *sd,
+ const u8 *data, unsigned int len)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct saa7185 *encoder = to_saa7185(sd);
+ int ret = -1;
+ u8 reg;
+
+ /* the adv7175 has an autoincrement function, use it if
+ * the adapter understands raw I2C */
+ if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
+ /* do raw I2C, not smbus compatible */
+ u8 block_data[32];
+ int block_len;
+
+ while (len >= 2) {
+ block_len = 0;
+ block_data[block_len++] = reg = data[0];
+ do {
+ block_data[block_len++] =
+ encoder->reg[reg++] = data[1];
+ len -= 2;
+ data += 2;
+ } while (len >= 2 && data[0] == reg && block_len < 32);
+ ret = i2c_master_send(client, block_data, block_len);
+ if (ret < 0)
+ break;
+ }
+ } else {
+ /* do some slow I2C emulation kind of thing */
+ while (len >= 2) {
+ reg = *data++;
+ ret = saa7185_write(sd, reg, *data++);
+ if (ret < 0)
+ break;
+ len -= 2;
+ }
+ }
+
+ return ret;
+}
+
+/* ----------------------------------------------------------------------- */
+
+static const unsigned char init_common[] = {
+ 0x3a, 0x0f, /* CBENB=0, V656=0, VY2C=1,
+ * YUV2C=1, MY2C=1, MUV2C=1 */
+
+ 0x42, 0x6b, /* OVLY0=107 */
+ 0x43, 0x00, /* OVLU0=0 white */
+ 0x44, 0x00, /* OVLV0=0 */
+ 0x45, 0x22, /* OVLY1=34 */
+ 0x46, 0xac, /* OVLU1=172 yellow */
+ 0x47, 0x0e, /* OVLV1=14 */
+ 0x48, 0x03, /* OVLY2=3 */
+ 0x49, 0x1d, /* OVLU2=29 cyan */
+ 0x4a, 0xac, /* OVLV2=172 */
+ 0x4b, 0xf0, /* OVLY3=240 */
+ 0x4c, 0xc8, /* OVLU3=200 green */
+ 0x4d, 0xb9, /* OVLV3=185 */
+ 0x4e, 0xd4, /* OVLY4=212 */
+ 0x4f, 0x38, /* OVLU4=56 magenta */
+ 0x50, 0x47, /* OVLV4=71 */
+ 0x51, 0xc1, /* OVLY5=193 */
+ 0x52, 0xe3, /* OVLU5=227 red */
+ 0x53, 0x54, /* OVLV5=84 */
+ 0x54, 0xa3, /* OVLY6=163 */
+ 0x55, 0x54, /* OVLU6=84 blue */
+ 0x56, 0xf2, /* OVLV6=242 */
+ 0x57, 0x90, /* OVLY7=144 */
+ 0x58, 0x00, /* OVLU7=0 black */
+ 0x59, 0x00, /* OVLV7=0 */
+
+ 0x5a, 0x00, /* CHPS=0 */
+ 0x5b, 0x76, /* GAINU=118 */
+ 0x5c, 0xa5, /* GAINV=165 */
+ 0x5d, 0x3c, /* BLCKL=60 */
+ 0x5e, 0x3a, /* BLNNL=58 */
+ 0x5f, 0x3a, /* CCRS=0, BLNVB=58 */
+ 0x60, 0x00, /* NULL */
+
+ /* 0x61 - 0x66 set according to norm */
+
+ 0x67, 0x00, /* 0 : caption 1st byte odd field */
+ 0x68, 0x00, /* 0 : caption 2nd byte odd field */
+ 0x69, 0x00, /* 0 : caption 1st byte even field */
+ 0x6a, 0x00, /* 0 : caption 2nd byte even field */
+
+ 0x6b, 0x91, /* MODIN=2, PCREF=0, SCCLN=17 */
+ 0x6c, 0x20, /* SRCV1=0, TRCV2=1, ORCV1=0, PRCV1=0,
+ * CBLF=0, ORCV2=0, PRCV2=0 */
+ 0x6d, 0x00, /* SRCM1=0, CCEN=0 */
+
+ 0x6e, 0x0e, /* HTRIG=0x005, approx. centered, at
+ * least for PAL */
+ 0x6f, 0x00, /* HTRIG upper bits */
+ 0x70, 0x20, /* PHRES=0, SBLN=1, VTRIG=0 */
+
+ /* The following should not be needed */
+
+ 0x71, 0x15, /* BMRQ=0x115 */
+ 0x72, 0x90, /* EMRQ=0x690 */
+ 0x73, 0x61, /* EMRQ=0x690, BMRQ=0x115 */
+ 0x74, 0x00, /* NULL */
+ 0x75, 0x00, /* NULL */
+ 0x76, 0x00, /* NULL */
+ 0x77, 0x15, /* BRCV=0x115 */
+ 0x78, 0x90, /* ERCV=0x690 */
+ 0x79, 0x61, /* ERCV=0x690, BRCV=0x115 */
+
+ /* Field length controls */
+
+ 0x7a, 0x70, /* FLC=0 */
+
+ /* The following should not be needed if SBLN = 1 */
+
+ 0x7b, 0x16, /* FAL=22 */
+ 0x7c, 0x35, /* LAL=244 */
+ 0x7d, 0x20, /* LAL=244, FAL=22 */
+};
+
+static const unsigned char init_pal[] = {
+ 0x61, 0x1e, /* FISE=0, PAL=1, SCBW=1, RTCE=1,
+ * YGS=1, INPI=0, DOWN=0 */
+ 0x62, 0xc8, /* DECTYP=1, BSTA=72 */
+ 0x63, 0xcb, /* FSC0 */
+ 0x64, 0x8a, /* FSC1 */
+ 0x65, 0x09, /* FSC2 */
+ 0x66, 0x2a, /* FSC3 */
+};
+
+static const unsigned char init_ntsc[] = {
+ 0x61, 0x1d, /* FISE=1, PAL=0, SCBW=1, RTCE=1,
+ * YGS=1, INPI=0, DOWN=0 */
+ 0x62, 0xe6, /* DECTYP=1, BSTA=102 */
+ 0x63, 0x1f, /* FSC0 */
+ 0x64, 0x7c, /* FSC1 */
+ 0x65, 0xf0, /* FSC2 */
+ 0x66, 0x21, /* FSC3 */
+};
+
+
+static int saa7185_init(struct v4l2_subdev *sd, u32 val)
+{
+ struct saa7185 *encoder = to_saa7185(sd);
+
+ saa7185_write_block(sd, init_common, sizeof(init_common));
+ if (encoder->norm & V4L2_STD_NTSC)
+ saa7185_write_block(sd, init_ntsc, sizeof(init_ntsc));
+ else
+ saa7185_write_block(sd, init_pal, sizeof(init_pal));
+ return 0;
+}
+
+static int saa7185_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std)
+{
+ struct saa7185 *encoder = to_saa7185(sd);
+
+ if (std & V4L2_STD_NTSC)
+ saa7185_write_block(sd, init_ntsc, sizeof(init_ntsc));
+ else if (std & V4L2_STD_PAL)
+ saa7185_write_block(sd, init_pal, sizeof(init_pal));
+ else
+ return -EINVAL;
+ encoder->norm = std;
+ return 0;
+}
+
+static int saa7185_s_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
+{
+ struct saa7185 *encoder = to_saa7185(sd);
+
+ /* RJ: input = 0: input is from SA7111
+ input = 1: input is from ZR36060 */
+
+ switch (input) {
+ case 0:
+ /* turn off colorbar */
+ saa7185_write(sd, 0x3a, 0x0f);
+ /* Switch RTCE to 1 */
+ saa7185_write(sd, 0x61, (encoder->reg[0x61] & 0xf7) | 0x08);
+ saa7185_write(sd, 0x6e, 0x01);
+ break;
+
+ case 1:
+ /* turn off colorbar */
+ saa7185_write(sd, 0x3a, 0x0f);
+ /* Switch RTCE to 0 */
+ saa7185_write(sd, 0x61, (encoder->reg[0x61] & 0xf7) | 0x00);
+ /* SW: a slight sync problem... */
+ saa7185_write(sd, 0x6e, 0x00);
+ break;
+
+ case 2:
+ /* turn on colorbar */
+ saa7185_write(sd, 0x3a, 0x8f);
+ /* Switch RTCE to 0 */
+ saa7185_write(sd, 0x61, (encoder->reg[0x61] & 0xf7) | 0x08);
+ /* SW: a slight sync problem... */
+ saa7185_write(sd, 0x6e, 0x01);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+
+static const struct v4l2_subdev_core_ops saa7185_core_ops = {
+ .init = saa7185_init,
+};
+
+static const struct v4l2_subdev_video_ops saa7185_video_ops = {
+ .s_std_output = saa7185_s_std_output,
+ .s_routing = saa7185_s_routing,
+};
+
+static const struct v4l2_subdev_ops saa7185_ops = {
+ .core = &saa7185_core_ops,
+ .video = &saa7185_video_ops,
+};
+
+
+/* ----------------------------------------------------------------------- */
+
+static int saa7185_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ int i;
+ struct saa7185 *encoder;
+ struct v4l2_subdev *sd;
+
+ /* Check if the adapter supports the needed features */
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -ENODEV;
+
+ v4l_info(client, "chip found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
+
+ encoder = devm_kzalloc(&client->dev, sizeof(*encoder), GFP_KERNEL);
+ if (encoder == NULL)
+ return -ENOMEM;
+ encoder->norm = V4L2_STD_NTSC;
+ sd = &encoder->sd;
+ v4l2_i2c_subdev_init(sd, client, &saa7185_ops);
+
+ i = saa7185_write_block(sd, init_common, sizeof(init_common));
+ if (i >= 0)
+ i = saa7185_write_block(sd, init_ntsc, sizeof(init_ntsc));
+ if (i < 0)
+ v4l2_dbg(1, debug, sd, "init error %d\n", i);
+ else
+ v4l2_dbg(1, debug, sd, "revision 0x%x\n",
+ saa7185_read(sd) >> 5);
+ return 0;
+}
+
+static int saa7185_remove(struct i2c_client *client)
+{
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct saa7185 *encoder = to_saa7185(sd);
+
+ v4l2_device_unregister_subdev(sd);
+ /* SW: output off is active */
+ saa7185_write(sd, 0x61, (encoder->reg[0x61]) | 0x40);
+ return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+
+static const struct i2c_device_id saa7185_id[] = {
+ { "saa7185", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, saa7185_id);
+
+static struct i2c_driver saa7185_driver = {
+ .driver = {
+ .name = "saa7185",
+ },
+ .probe = saa7185_probe,
+ .remove = saa7185_remove,
+ .id_table = saa7185_id,
+};
+
+module_i2c_driver(saa7185_driver);