diff options
Diffstat (limited to 'drivers/media/usb/gspca/m5602/m5602_s5k4aa.c')
-rw-r--r-- | drivers/media/usb/gspca/m5602/m5602_s5k4aa.c | 759 |
1 files changed, 759 insertions, 0 deletions
diff --git a/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c b/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c new file mode 100644 index 000000000..c022265db --- /dev/null +++ b/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c @@ -0,0 +1,759 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * 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 + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "m5602_s5k4aa.h" + +static const unsigned char preinit_s5k4aa[][4] = { + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0x80, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08, 0x00}, + + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x14, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xf0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x1c, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x20, 0x00}, + + {SENSOR, S5K4AA_PAGE_MAP, 0x00, 0x00} +}; + +static const unsigned char init_s5k4aa[][4] = { + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0x80, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08, 0x00}, + + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x14, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xf0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x1c, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x20, 0x00}, + + {SENSOR, S5K4AA_PAGE_MAP, 0x07, 0x00}, + {SENSOR, 0x36, 0x01, 0x00}, + {SENSOR, S5K4AA_PAGE_MAP, 0x00, 0x00}, + {SENSOR, 0x7b, 0xff, 0x00}, + {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, + {SENSOR, 0x0c, 0x05, 0x00}, + {SENSOR, 0x02, 0x0e, 0x00}, + {SENSOR, S5K4AA_READ_MODE, 0xa0, 0x00}, + {SENSOR, 0x37, 0x00, 0x00}, +}; + +static const unsigned char VGA_s5k4aa[][4] = { + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + /* VSYNC_PARA, VSYNC_PARA : img height 480 = 0x01e0 */ + {BRIDGE, M5602_XB_VSYNC_PARA, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0xe0, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + /* HSYNC_PARA, HSYNC_PARA : img width 640 = 0x0280 */ + {BRIDGE, M5602_XB_HSYNC_PARA, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x80, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xa0, 0x00}, /* 48 MHz */ + + {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, + {SENSOR, S5K4AA_READ_MODE, S5K4AA_RM_H_FLIP | S5K4AA_RM_ROW_SKIP_2X + | S5K4AA_RM_COL_SKIP_2X, 0x00}, + /* 0x37 : Fix image stability when light is too bright and improves + * image quality in 640x480, but worsens it in 1280x1024 */ + {SENSOR, 0x37, 0x01, 0x00}, + /* ROWSTART_HI, ROWSTART_LO : 10 + (1024-960)/2 = 42 = 0x002a */ + {SENSOR, S5K4AA_ROWSTART_HI, 0x00, 0x00}, + {SENSOR, S5K4AA_ROWSTART_LO, 0x29, 0x00}, + {SENSOR, S5K4AA_COLSTART_HI, 0x00, 0x00}, + {SENSOR, S5K4AA_COLSTART_LO, 0x0c, 0x00}, + /* window_height_hi, window_height_lo : 960 = 0x03c0 */ + {SENSOR, S5K4AA_WINDOW_HEIGHT_HI, 0x03, 0x00}, + {SENSOR, S5K4AA_WINDOW_HEIGHT_LO, 0xc0, 0x00}, + /* window_width_hi, window_width_lo : 1280 = 0x0500 */ + {SENSOR, S5K4AA_WINDOW_WIDTH_HI, 0x05, 0x00}, + {SENSOR, S5K4AA_WINDOW_WIDTH_LO, 0x00, 0x00}, + {SENSOR, S5K4AA_H_BLANK_HI__, 0x00, 0x00}, + {SENSOR, S5K4AA_H_BLANK_LO__, 0xa8, 0x00}, /* helps to sync... */ + {SENSOR, S5K4AA_EXPOSURE_HI, 0x01, 0x00}, + {SENSOR, S5K4AA_EXPOSURE_LO, 0x00, 0x00}, + {SENSOR, 0x11, 0x04, 0x00}, + {SENSOR, 0x12, 0xc3, 0x00}, + {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, + {SENSOR, 0x02, 0x0e, 0x00}, +}; + +static const unsigned char SXGA_s5k4aa[][4] = { + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + /* VSYNC_PARA, VSYNC_PARA : img height 1024 = 0x0400 */ + {BRIDGE, M5602_XB_VSYNC_PARA, 0x04, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + /* HSYNC_PARA, HSYNC_PARA : img width 1280 = 0x0500 */ + {BRIDGE, M5602_XB_HSYNC_PARA, 0x05, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xa0, 0x00}, /* 48 MHz */ + + {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, + {SENSOR, S5K4AA_READ_MODE, S5K4AA_RM_H_FLIP, 0x00}, + {SENSOR, 0x37, 0x01, 0x00}, + {SENSOR, S5K4AA_ROWSTART_HI, 0x00, 0x00}, + {SENSOR, S5K4AA_ROWSTART_LO, 0x09, 0x00}, + {SENSOR, S5K4AA_COLSTART_HI, 0x00, 0x00}, + {SENSOR, S5K4AA_COLSTART_LO, 0x0a, 0x00}, + {SENSOR, S5K4AA_WINDOW_HEIGHT_HI, 0x04, 0x00}, + {SENSOR, S5K4AA_WINDOW_HEIGHT_LO, 0x00, 0x00}, + {SENSOR, S5K4AA_WINDOW_WIDTH_HI, 0x05, 0x00}, + {SENSOR, S5K4AA_WINDOW_WIDTH_LO, 0x00, 0x00}, + {SENSOR, S5K4AA_H_BLANK_HI__, 0x01, 0x00}, + {SENSOR, S5K4AA_H_BLANK_LO__, 0xa8, 0x00}, + {SENSOR, S5K4AA_EXPOSURE_HI, 0x01, 0x00}, + {SENSOR, S5K4AA_EXPOSURE_LO, 0x00, 0x00}, + {SENSOR, 0x11, 0x04, 0x00}, + {SENSOR, 0x12, 0xc3, 0x00}, + {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, + {SENSOR, 0x02, 0x0e, 0x00}, +}; + + +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; + } + + gspca_dbg(gspca_dev, D_PROBE, "Probing for a s5k4aa sensor\n"); + + /* 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: + gspca_dbg(gspca_dev, D_CONF, "Configuring camera for SXGA mode\n"); + + 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: + gspca_dbg(gspca_dev, D_CONF, "Configuring camera for VGA mode\n"); + + 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; + + gspca_dbg(gspca_dev, D_CONF, "Set exposure to %d\n", 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; + + gspca_dbg(gspca_dev, D_CONF, "Set hvflip %d %d\n", 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; + + gspca_dbg(gspca_dev, D_CONF, "Set gain to %d\n", 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; + + gspca_dbg(gspca_dev, D_CONF, "Set brightness to %d\n", 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; + + gspca_dbg(gspca_dev, D_CONF, "Set noise to %d\n", 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); +} |