X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fmedia%2Fusb%2Fgspca%2Fm5602%2Fm5602_s5k4aa.c;fp=kernel%2Fdrivers%2Fmedia%2Fusb%2Fgspca%2Fm5602%2Fm5602_s5k4aa.c;h=7d12599458e29b9dc86f8b68bf08f43e0c40ca7d;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git

diff --git a/kernel/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c b/kernel/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c
new file mode 100644
index 000000000..7d1259945
--- /dev/null
+++ b/kernel/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c
@@ -0,0 +1,564 @@
+/*
+ * Driver for the s5k4aa sensor
+ *
+ * Copyright (C) 2008 Erik Andrén
+ * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
+ * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
+ *
+ * Portions of code to USB interface and ALi driver software,
+ * Copyright (c) 2006 Willem Duinker
+ * v4l2 interface modeled after the V4L2 driver
+ * for SN9C10x PC Camera Controllers
+ *
+ * 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, version 2.
+ *
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include "m5602_s5k4aa.h"
+
+static int s5k4aa_s_ctrl(struct v4l2_ctrl *ctrl);
+static void s5k4aa_dump_registers(struct sd *sd);
+
+static const struct v4l2_ctrl_ops s5k4aa_ctrl_ops = {
+	.s_ctrl = s5k4aa_s_ctrl,
+};
+
+static
+    const
+	struct dmi_system_id s5k4aa_vflip_dmi_table[] = {
+	{
+		.ident = "BRUNEINIT",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "BRUNENIT"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "BRUNENIT"),
+			DMI_MATCH(DMI_BOARD_VERSION, "00030D0000000001")
+		}
+	}, {
+		.ident = "Fujitsu-Siemens Amilo Xa 2528",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xa 2528")
+		}
+	}, {
+		.ident = "Fujitsu-Siemens Amilo Xi 2428",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2428")
+		}
+	}, {
+		.ident = "Fujitsu-Siemens Amilo Xi 2528",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2528")
+		}
+	}, {
+		.ident = "Fujitsu-Siemens Amilo Xi 2550",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2550")
+		}
+	}, {
+		.ident = "Fujitsu-Siemens Amilo Pa 2548",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2548")
+		}
+	}, {
+		.ident = "Fujitsu-Siemens Amilo Pi 2530",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 2530")
+		}
+	}, {
+		.ident = "MSI GX700",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "GX700"),
+			DMI_MATCH(DMI_BIOS_DATE, "12/02/2008")
+		}
+	}, {
+		.ident = "MSI GX700",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "GX700"),
+			DMI_MATCH(DMI_BIOS_DATE, "07/26/2007")
+		}
+	}, {
+		.ident = "MSI GX700",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "GX700"),
+			DMI_MATCH(DMI_BIOS_DATE, "07/19/2007")
+		}
+	}, {
+		.ident = "MSI GX700/GX705/EX700",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "GX700/GX705/EX700")
+		}
+	}, {
+		.ident = "MSI L735",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MS-1717X")
+		}
+	}, {
+		.ident = "Lenovo Y300",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "L3000 Y300"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Y300")
+		}
+	},
+	{ }
+};
+
+static struct v4l2_pix_format s5k4aa_modes[] = {
+	{
+		640,
+		480,
+		V4L2_PIX_FMT_SBGGR8,
+		V4L2_FIELD_NONE,
+		.sizeimage =
+			640 * 480,
+		.bytesperline = 640,
+		.colorspace = V4L2_COLORSPACE_SRGB,
+		.priv = 0
+	},
+	{
+		1280,
+		1024,
+		V4L2_PIX_FMT_SBGGR8,
+		V4L2_FIELD_NONE,
+		.sizeimage =
+			1280 * 1024,
+		.bytesperline = 1280,
+		.colorspace = V4L2_COLORSPACE_SRGB,
+		.priv = 0
+	}
+};
+
+int s5k4aa_probe(struct sd *sd)
+{
+	u8 prod_id[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+	const u8 expected_prod_id[6] = {0x00, 0x10, 0x00, 0x4b, 0x33, 0x75};
+	struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+	int i, err = 0;
+
+	if (force_sensor) {
+		if (force_sensor == S5K4AA_SENSOR) {
+			pr_info("Forcing a %s sensor\n", s5k4aa.name);
+			goto sensor_found;
+		}
+		/* If we want to force another sensor, don't try to probe this
+		 * one */
+		return -ENODEV;
+	}
+
+	PDEBUG(D_PROBE, "Probing for a s5k4aa sensor");
+
+	/* Preinit the sensor */
+	for (i = 0; i < ARRAY_SIZE(preinit_s5k4aa) && !err; i++) {
+		u8 data[2] = {0x00, 0x00};
+
+		switch (preinit_s5k4aa[i][0]) {
+		case BRIDGE:
+			err = m5602_write_bridge(sd,
+						 preinit_s5k4aa[i][1],
+						 preinit_s5k4aa[i][2]);
+			break;
+
+		case SENSOR:
+			data[0] = preinit_s5k4aa[i][2];
+			err = m5602_write_sensor(sd,
+						  preinit_s5k4aa[i][1],
+						  data, 1);
+			break;
+
+		case SENSOR_LONG:
+			data[0] = preinit_s5k4aa[i][2];
+			data[1] = preinit_s5k4aa[i][3];
+			err = m5602_write_sensor(sd,
+						  preinit_s5k4aa[i][1],
+						  data, 2);
+			break;
+		default:
+			pr_info("Invalid stream command, exiting init\n");
+			return -EINVAL;
+		}
+	}
+
+	/* Test some registers, but we don't know their exact meaning yet */
+	if (m5602_read_sensor(sd, 0x00, prod_id, 2))
+		return -ENODEV;
+	if (m5602_read_sensor(sd, 0x02, prod_id+2, 2))
+		return -ENODEV;
+	if (m5602_read_sensor(sd, 0x04, prod_id+4, 2))
+		return -ENODEV;
+
+	if (memcmp(prod_id, expected_prod_id, sizeof(prod_id)))
+		return -ENODEV;
+	else
+		pr_info("Detected a s5k4aa sensor\n");
+
+sensor_found:
+	sd->gspca_dev.cam.cam_mode = s5k4aa_modes;
+	sd->gspca_dev.cam.nmodes = ARRAY_SIZE(s5k4aa_modes);
+
+	return 0;
+}
+
+int s5k4aa_start(struct sd *sd)
+{
+	int i, err = 0;
+	u8 data[2];
+	struct cam *cam = &sd->gspca_dev.cam;
+	struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+
+	switch (cam->cam_mode[sd->gspca_dev.curr_mode].width) {
+	case 1280:
+		PDEBUG(D_CONF, "Configuring camera for SXGA mode");
+
+		for (i = 0; i < ARRAY_SIZE(SXGA_s5k4aa); i++) {
+			switch (SXGA_s5k4aa[i][0]) {
+			case BRIDGE:
+				err = m5602_write_bridge(sd,
+						 SXGA_s5k4aa[i][1],
+						 SXGA_s5k4aa[i][2]);
+			break;
+
+			case SENSOR:
+				data[0] = SXGA_s5k4aa[i][2];
+				err = m5602_write_sensor(sd,
+						 SXGA_s5k4aa[i][1],
+						 data, 1);
+			break;
+
+			case SENSOR_LONG:
+				data[0] = SXGA_s5k4aa[i][2];
+				data[1] = SXGA_s5k4aa[i][3];
+				err = m5602_write_sensor(sd,
+						  SXGA_s5k4aa[i][1],
+						  data, 2);
+			break;
+
+			default:
+				pr_err("Invalid stream command, exiting init\n");
+				return -EINVAL;
+			}
+		}
+		break;
+
+	case 640:
+		PDEBUG(D_CONF, "Configuring camera for VGA mode");
+
+		for (i = 0; i < ARRAY_SIZE(VGA_s5k4aa); i++) {
+			switch (VGA_s5k4aa[i][0]) {
+			case BRIDGE:
+				err = m5602_write_bridge(sd,
+						 VGA_s5k4aa[i][1],
+						 VGA_s5k4aa[i][2]);
+			break;
+
+			case SENSOR:
+				data[0] = VGA_s5k4aa[i][2];
+				err = m5602_write_sensor(sd,
+						 VGA_s5k4aa[i][1],
+						 data, 1);
+			break;
+
+			case SENSOR_LONG:
+				data[0] = VGA_s5k4aa[i][2];
+				data[1] = VGA_s5k4aa[i][3];
+				err = m5602_write_sensor(sd,
+						  VGA_s5k4aa[i][1],
+						  data, 2);
+			break;
+
+			default:
+				pr_err("Invalid stream command, exiting init\n");
+				return -EINVAL;
+			}
+		}
+		break;
+	}
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+int s5k4aa_init(struct sd *sd)
+{
+	int i, err = 0;
+
+	for (i = 0; i < ARRAY_SIZE(init_s5k4aa) && !err; i++) {
+		u8 data[2] = {0x00, 0x00};
+
+		switch (init_s5k4aa[i][0]) {
+		case BRIDGE:
+			err = m5602_write_bridge(sd,
+				init_s5k4aa[i][1],
+				init_s5k4aa[i][2]);
+			break;
+
+		case SENSOR:
+			data[0] = init_s5k4aa[i][2];
+			err = m5602_write_sensor(sd,
+				init_s5k4aa[i][1], data, 1);
+			break;
+
+		case SENSOR_LONG:
+			data[0] = init_s5k4aa[i][2];
+			data[1] = init_s5k4aa[i][3];
+			err = m5602_write_sensor(sd,
+				init_s5k4aa[i][1], data, 2);
+			break;
+		default:
+			pr_info("Invalid stream command, exiting init\n");
+			return -EINVAL;
+		}
+	}
+
+	if (dump_sensor)
+		s5k4aa_dump_registers(sd);
+
+	return err;
+}
+
+int s5k4aa_init_controls(struct sd *sd)
+{
+	struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler;
+
+	sd->gspca_dev.vdev.ctrl_handler = hdl;
+	v4l2_ctrl_handler_init(hdl, 6);
+
+	v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_BRIGHTNESS,
+			  0, 0x1f, 1, S5K4AA_DEFAULT_BRIGHTNESS);
+
+	v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_EXPOSURE,
+			  13, 0xfff, 1, 0x100);
+
+	v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_GAIN,
+			  0, 127, 1, S5K4AA_DEFAULT_GAIN);
+
+	v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_SHARPNESS,
+			  0, 1, 1, 1);
+
+	sd->hflip = v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_HFLIP,
+				      0, 1, 1, 0);
+	sd->vflip = v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_VFLIP,
+				      0, 1, 1, 0);
+
+	if (hdl->error) {
+		pr_err("Could not initialize controls\n");
+		return hdl->error;
+	}
+
+	v4l2_ctrl_cluster(2, &sd->hflip);
+
+	return 0;
+}
+
+static int s5k4aa_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	u8 data = S5K4AA_PAGE_MAP_2;
+	int err;
+
+	PDEBUG(D_CONF, "Set exposure to %d", val);
+	err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
+	if (err < 0)
+		return err;
+	data = (val >> 8) & 0xff;
+	err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_HI, &data, 1);
+	if (err < 0)
+		return err;
+	data = val & 0xff;
+	err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_LO, &data, 1);
+
+	return err;
+}
+
+static int s5k4aa_set_hvflip(struct gspca_dev *gspca_dev)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	u8 data = S5K4AA_PAGE_MAP_2;
+	int err;
+	int hflip = sd->hflip->val;
+	int vflip = sd->vflip->val;
+
+	PDEBUG(D_CONF, "Set hvflip %d %d", hflip, vflip);
+	err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
+	if (err < 0)
+		return err;
+
+	err = m5602_read_sensor(sd, S5K4AA_READ_MODE, &data, 1);
+	if (err < 0)
+		return err;
+
+	if (dmi_check_system(s5k4aa_vflip_dmi_table)) {
+		hflip = !hflip;
+		vflip = !vflip;
+	}
+
+	data = (data & 0x7f) | (vflip << 7) | (hflip << 6);
+	err = m5602_write_sensor(sd, S5K4AA_READ_MODE, &data, 1);
+	if (err < 0)
+		return err;
+
+	err = m5602_read_sensor(sd, S5K4AA_COLSTART_LO, &data, 1);
+	if (err < 0)
+		return err;
+	if (hflip)
+		data &= 0xfe;
+	else
+		data |= 0x01;
+	err = m5602_write_sensor(sd, S5K4AA_COLSTART_LO, &data, 1);
+	if (err < 0)
+		return err;
+
+	err = m5602_read_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1);
+	if (err < 0)
+		return err;
+	if (vflip)
+		data &= 0xfe;
+	else
+		data |= 0x01;
+	err = m5602_write_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+static int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	u8 data = S5K4AA_PAGE_MAP_2;
+	int err;
+
+	PDEBUG(D_CONF, "Set gain to %d", val);
+	err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
+	if (err < 0)
+		return err;
+
+	data = val & 0xff;
+	err = m5602_write_sensor(sd, S5K4AA_GAIN, &data, 1);
+
+	return err;
+}
+
+static int s5k4aa_set_brightness(struct gspca_dev *gspca_dev, __s32 val)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	u8 data = S5K4AA_PAGE_MAP_2;
+	int err;
+
+	PDEBUG(D_CONF, "Set brightness to %d", val);
+	err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
+	if (err < 0)
+		return err;
+
+	data = val & 0xff;
+	return m5602_write_sensor(sd, S5K4AA_BRIGHTNESS, &data, 1);
+}
+
+static int s5k4aa_set_noise(struct gspca_dev *gspca_dev, __s32 val)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	u8 data = S5K4AA_PAGE_MAP_2;
+	int err;
+
+	PDEBUG(D_CONF, "Set noise to %d", val);
+	err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
+	if (err < 0)
+		return err;
+
+	data = val & 0x01;
+	return m5602_write_sensor(sd, S5K4AA_NOISE_SUPP, &data, 1);
+}
+
+static int s5k4aa_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct gspca_dev *gspca_dev =
+		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
+	int err;
+
+	if (!gspca_dev->streaming)
+		return 0;
+
+	switch (ctrl->id) {
+	case V4L2_CID_BRIGHTNESS:
+		err = s5k4aa_set_brightness(gspca_dev, ctrl->val);
+		break;
+	case V4L2_CID_EXPOSURE:
+		err = s5k4aa_set_exposure(gspca_dev, ctrl->val);
+		break;
+	case V4L2_CID_GAIN:
+		err = s5k4aa_set_gain(gspca_dev, ctrl->val);
+		break;
+	case V4L2_CID_SHARPNESS:
+		err = s5k4aa_set_noise(gspca_dev, ctrl->val);
+		break;
+	case V4L2_CID_HFLIP:
+		err = s5k4aa_set_hvflip(gspca_dev);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return err;
+}
+
+void s5k4aa_disconnect(struct sd *sd)
+{
+	sd->sensor = NULL;
+}
+
+static void s5k4aa_dump_registers(struct sd *sd)
+{
+	int address;
+	u8 page, old_page;
+	m5602_read_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1);
+	for (page = 0; page < 16; page++) {
+		m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1);
+		pr_info("Dumping the s5k4aa register state for page 0x%x\n",
+			page);
+		for (address = 0; address <= 0xff; address++) {
+			u8 value = 0;
+			m5602_read_sensor(sd, address, &value, 1);
+			pr_info("register 0x%x contains 0x%x\n",
+				address, value);
+		}
+	}
+	pr_info("s5k4aa register state dump complete\n");
+
+	for (page = 0; page < 16; page++) {
+		m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1);
+		pr_info("Probing for which registers that are read/write for page 0x%x\n",
+			page);
+		for (address = 0; address <= 0xff; address++) {
+			u8 old_value, ctrl_value, test_value = 0xff;
+
+			m5602_read_sensor(sd, address, &old_value, 1);
+			m5602_write_sensor(sd, address, &test_value, 1);
+			m5602_read_sensor(sd, address, &ctrl_value, 1);
+
+			if (ctrl_value == test_value)
+				pr_info("register 0x%x is writeable\n",
+					address);
+			else
+				pr_info("register 0x%x is read only\n",
+					address);
+
+			/* Restore original value */
+			m5602_write_sensor(sd, address, &old_value, 1);
+		}
+	}
+	pr_info("Read/write register probing complete\n");
+	m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1);
+}