[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/media/i2c/upd64031a.c b/src/kernel/linux/v4.19/drivers/media/i2c/upd64031a.c
new file mode 100644
index 0000000..7ad5d51
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/media/i2c/upd64031a.c
@@ -0,0 +1,247 @@
+/*
+ * upd64031A - NEC Electronics Ghost Reduction for NTSC in Japan
+ *
+ * 2003 by T.Adachi <tadachi@tadachi-net.com>
+ * 2003 by Takeru KOMORIYA <komoriya@paken.org>
+ * 2006 by Hans Verkuil <hverkuil@xs4all.nl>
+ *
+ * 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/kernel.h>
+#include <linux/i2c.h>
+#include <linux/videodev2.h>
+#include <linux/slab.h>
+#include <media/v4l2-device.h>
+#include <media/i2c/upd64031a.h>
+
+/* --------------------- read registers functions define -------------------- */
+
+/* bit masks */
+#define GR_MODE_MASK 0xc0
+#define DIRECT_3DYCS_CONNECT_MASK 0xc0
+#define SYNC_CIRCUIT_MASK 0xa0
+
+/* -------------------------------------------------------------------------- */
+
+MODULE_DESCRIPTION("uPD64031A driver");
+MODULE_AUTHOR("T. Adachi, Takeru KOMORIYA, Hans Verkuil");
+MODULE_LICENSE("GPL");
+
+static int debug;
+module_param(debug, int, 0644);
+
+MODULE_PARM_DESC(debug, "Debug level (0-1)");
+
+
+enum {
+ R00 = 0, R01, R02, R03, R04,
+ R05, R06, R07, R08, R09,
+ R0A, R0B, R0C, R0D, R0E, R0F,
+ /* unused registers
+ R10, R11, R12, R13, R14,
+ R15, R16, R17,
+ */
+ TOT_REGS
+};
+
+struct upd64031a_state {
+ struct v4l2_subdev sd;
+ u8 regs[TOT_REGS];
+ u8 gr_mode;
+ u8 direct_3dycs_connect;
+ u8 ext_comp_sync;
+ u8 ext_vert_sync;
+};
+
+static inline struct upd64031a_state *to_state(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct upd64031a_state, sd);
+}
+
+static u8 upd64031a_init[] = {
+ 0x00, 0xb8, 0x48, 0xd2, 0xe6,
+ 0x03, 0x10, 0x0b, 0xaf, 0x7f,
+ 0x00, 0x00, 0x1d, 0x5e, 0x00,
+ 0xd0
+};
+
+/* ------------------------------------------------------------------------ */
+
+static u8 upd64031a_read(struct v4l2_subdev *sd, u8 reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ u8 buf[2];
+
+ if (reg >= sizeof(buf))
+ return 0xff;
+ i2c_master_recv(client, buf, 2);
+ return buf[reg];
+}
+
+/* ------------------------------------------------------------------------ */
+
+static void upd64031a_write(struct v4l2_subdev *sd, u8 reg, u8 val)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ u8 buf[2];
+
+ buf[0] = reg;
+ buf[1] = val;
+ v4l2_dbg(1, debug, sd, "write reg: %02X val: %02X\n", reg, val);
+ if (i2c_master_send(client, buf, 2) != 2)
+ v4l2_err(sd, "I/O error write 0x%02x/0x%02x\n", reg, val);
+}
+
+/* ------------------------------------------------------------------------ */
+
+/* The input changed due to new input or channel changed */
+static int upd64031a_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequency *freq)
+{
+ struct upd64031a_state *state = to_state(sd);
+ u8 reg = state->regs[R00];
+
+ v4l2_dbg(1, debug, sd, "changed input or channel\n");
+ upd64031a_write(sd, R00, reg | 0x10);
+ upd64031a_write(sd, R00, reg & ~0x10);
+ return 0;
+}
+
+/* ------------------------------------------------------------------------ */
+
+static int upd64031a_s_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
+{
+ struct upd64031a_state *state = to_state(sd);
+ u8 r00, r05, r08;
+
+ state->gr_mode = (input & 3) << 6;
+ state->direct_3dycs_connect = (input & 0xc) << 4;
+ state->ext_comp_sync =
+ (input & UPD64031A_COMPOSITE_EXTERNAL) << 1;
+ state->ext_vert_sync =
+ (input & UPD64031A_VERTICAL_EXTERNAL) << 2;
+ r00 = (state->regs[R00] & ~GR_MODE_MASK) | state->gr_mode;
+ r05 = (state->regs[R00] & ~SYNC_CIRCUIT_MASK) |
+ state->ext_comp_sync | state->ext_vert_sync;
+ r08 = (state->regs[R08] & ~DIRECT_3DYCS_CONNECT_MASK) |
+ state->direct_3dycs_connect;
+ upd64031a_write(sd, R00, r00);
+ upd64031a_write(sd, R05, r05);
+ upd64031a_write(sd, R08, r08);
+ return upd64031a_s_frequency(sd, NULL);
+}
+
+static int upd64031a_log_status(struct v4l2_subdev *sd)
+{
+ v4l2_info(sd, "Status: SA00=0x%02x SA01=0x%02x\n",
+ upd64031a_read(sd, 0), upd64031a_read(sd, 1));
+ return 0;
+}
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int upd64031a_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
+{
+ reg->val = upd64031a_read(sd, reg->reg & 0xff);
+ reg->size = 1;
+ return 0;
+}
+
+static int upd64031a_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
+{
+ upd64031a_write(sd, reg->reg & 0xff, reg->val & 0xff);
+ return 0;
+}
+#endif
+
+/* ----------------------------------------------------------------------- */
+
+static const struct v4l2_subdev_core_ops upd64031a_core_ops = {
+ .log_status = upd64031a_log_status,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .g_register = upd64031a_g_register,
+ .s_register = upd64031a_s_register,
+#endif
+};
+
+static const struct v4l2_subdev_tuner_ops upd64031a_tuner_ops = {
+ .s_frequency = upd64031a_s_frequency,
+};
+
+static const struct v4l2_subdev_video_ops upd64031a_video_ops = {
+ .s_routing = upd64031a_s_routing,
+};
+
+static const struct v4l2_subdev_ops upd64031a_ops = {
+ .core = &upd64031a_core_ops,
+ .tuner = &upd64031a_tuner_ops,
+ .video = &upd64031a_video_ops,
+};
+
+/* ------------------------------------------------------------------------ */
+
+/* i2c implementation */
+
+static int upd64031a_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct upd64031a_state *state;
+ struct v4l2_subdev *sd;
+ int i;
+
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -EIO;
+
+ v4l_info(client, "chip found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
+
+ state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
+ if (state == NULL)
+ return -ENOMEM;
+ sd = &state->sd;
+ v4l2_i2c_subdev_init(sd, client, &upd64031a_ops);
+ memcpy(state->regs, upd64031a_init, sizeof(state->regs));
+ state->gr_mode = UPD64031A_GR_ON << 6;
+ state->direct_3dycs_connect = UPD64031A_3DYCS_COMPOSITE << 4;
+ state->ext_comp_sync = state->ext_vert_sync = 0;
+ for (i = 0; i < TOT_REGS; i++)
+ upd64031a_write(sd, i, state->regs[i]);
+ return 0;
+}
+
+static int upd64031a_remove(struct i2c_client *client)
+{
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+
+ v4l2_device_unregister_subdev(sd);
+ return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+
+static const struct i2c_device_id upd64031a_id[] = {
+ { "upd64031a", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, upd64031a_id);
+
+static struct i2c_driver upd64031a_driver = {
+ .driver = {
+ .name = "upd64031a",
+ },
+ .probe = upd64031a_probe,
+ .remove = upd64031a_remove,
+ .id_table = upd64031a_id,
+};
+
+module_i2c_driver(upd64031a_driver);