diff options
Diffstat (limited to 'drivers/media/video/ovcamchip')
-rw-r--r-- | drivers/media/video/ovcamchip/Makefile | 4 | ||||
-rw-r--r-- | drivers/media/video/ovcamchip/ov6x20.c | 414 | ||||
-rw-r--r-- | drivers/media/video/ovcamchip/ov6x30.c | 373 | ||||
-rw-r--r-- | drivers/media/video/ovcamchip/ov76be.c | 302 | ||||
-rw-r--r-- | drivers/media/video/ovcamchip/ov7x10.c | 334 | ||||
-rw-r--r-- | drivers/media/video/ovcamchip/ov7x20.c | 454 | ||||
-rw-r--r-- | drivers/media/video/ovcamchip/ovcamchip_core.c | 395 | ||||
-rw-r--r-- | drivers/media/video/ovcamchip/ovcamchip_priv.h | 101 |
8 files changed, 0 insertions, 2377 deletions
diff --git a/drivers/media/video/ovcamchip/Makefile b/drivers/media/video/ovcamchip/Makefile deleted file mode 100644 index cba4cdf20f49..000000000000 --- a/drivers/media/video/ovcamchip/Makefile +++ /dev/null @@ -1,4 +0,0 @@ -ovcamchip-objs := ovcamchip_core.o ov6x20.o ov6x30.o ov7x10.o ov7x20.o \ - ov76be.o - -obj-$(CONFIG_VIDEO_OVCAMCHIP) += ovcamchip.o diff --git a/drivers/media/video/ovcamchip/ov6x20.c b/drivers/media/video/ovcamchip/ov6x20.c deleted file mode 100644 index c04130dab127..000000000000 --- a/drivers/media/video/ovcamchip/ov6x20.c +++ /dev/null @@ -1,414 +0,0 @@ -/* OmniVision OV6620/OV6120 Camera Chip Support Code - * - * Copyright (c) 1999-2004 Mark McClelland <mark@alpha.dyndns.org> - * http://alpha.dyndns.org/ov511/ - * - * 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. NO WARRANTY OF ANY KIND is expressed or implied. - */ - -#define DEBUG - -#include <linux/slab.h> -#include "ovcamchip_priv.h" - -/* Registers */ -#define REG_GAIN 0x00 /* gain [5:0] */ -#define REG_BLUE 0x01 /* blue gain */ -#define REG_RED 0x02 /* red gain */ -#define REG_SAT 0x03 /* saturation */ -#define REG_CNT 0x05 /* Y contrast */ -#define REG_BRT 0x06 /* Y brightness */ -#define REG_WB_BLUE 0x0C /* WB blue ratio [5:0] */ -#define REG_WB_RED 0x0D /* WB red ratio [5:0] */ -#define REG_EXP 0x10 /* exposure */ - -/* Window parameters */ -#define HWSBASE 0x38 -#define HWEBASE 0x3A -#define VWSBASE 0x05 -#define VWEBASE 0x06 - -struct ov6x20 { - int auto_brt; - int auto_exp; - int backlight; - int bandfilt; - int mirror; -}; - -/* Initial values for use with OV511/OV511+ cameras */ -static struct ovcamchip_regvals regvals_init_6x20_511[] = { - { 0x12, 0x80 }, /* reset */ - { 0x11, 0x01 }, - { 0x03, 0x60 }, - { 0x05, 0x7f }, /* For when autoadjust is off */ - { 0x07, 0xa8 }, - { 0x0c, 0x24 }, - { 0x0d, 0x24 }, - { 0x0f, 0x15 }, /* COMS */ - { 0x10, 0x75 }, /* AEC Exposure time */ - { 0x12, 0x24 }, /* Enable AGC and AWB */ - { 0x14, 0x04 }, - { 0x16, 0x03 }, - { 0x26, 0xb2 }, /* BLC enable */ - /* 0x28: 0x05 Selects RGB format if RGB on */ - { 0x28, 0x05 }, - { 0x2a, 0x04 }, /* Disable framerate adjust */ - { 0x2d, 0x99 }, - { 0x33, 0xa0 }, /* Color Processing Parameter */ - { 0x34, 0xd2 }, /* Max A/D range */ - { 0x38, 0x8b }, - { 0x39, 0x40 }, - - { 0x3c, 0x39 }, /* Enable AEC mode changing */ - { 0x3c, 0x3c }, /* Change AEC mode */ - { 0x3c, 0x24 }, /* Disable AEC mode changing */ - - { 0x3d, 0x80 }, - /* These next two registers (0x4a, 0x4b) are undocumented. They - * control the color balance */ - { 0x4a, 0x80 }, - { 0x4b, 0x80 }, - { 0x4d, 0xd2 }, /* This reduces noise a bit */ - { 0x4e, 0xc1 }, - { 0x4f, 0x04 }, - { 0xff, 0xff }, /* END MARKER */ -}; - -/* Initial values for use with OV518 cameras */ -static struct ovcamchip_regvals regvals_init_6x20_518[] = { - { 0x12, 0x80 }, /* Do a reset */ - { 0x03, 0xc0 }, /* Saturation */ - { 0x05, 0x8a }, /* Contrast */ - { 0x0c, 0x24 }, /* AWB blue */ - { 0x0d, 0x24 }, /* AWB red */ - { 0x0e, 0x8d }, /* Additional 2x gain */ - { 0x0f, 0x25 }, /* Black expanding level = 1.3V */ - { 0x11, 0x01 }, /* Clock div. */ - { 0x12, 0x24 }, /* Enable AGC and AWB */ - { 0x13, 0x01 }, /* (default) */ - { 0x14, 0x80 }, /* Set reserved bit 7 */ - { 0x15, 0x01 }, /* (default) */ - { 0x16, 0x03 }, /* (default) */ - { 0x17, 0x38 }, /* (default) */ - { 0x18, 0xea }, /* (default) */ - { 0x19, 0x04 }, - { 0x1a, 0x93 }, - { 0x1b, 0x00 }, /* (default) */ - { 0x1e, 0xc4 }, /* (default) */ - { 0x1f, 0x04 }, /* (default) */ - { 0x20, 0x20 }, /* Enable 1st stage aperture correction */ - { 0x21, 0x10 }, /* Y offset */ - { 0x22, 0x88 }, /* U offset */ - { 0x23, 0xc0 }, /* Set XTAL power level */ - { 0x24, 0x53 }, /* AEC bright ratio */ - { 0x25, 0x7a }, /* AEC black ratio */ - { 0x26, 0xb2 }, /* BLC enable */ - { 0x27, 0xa2 }, /* Full output range */ - { 0x28, 0x01 }, /* (default) */ - { 0x29, 0x00 }, /* (default) */ - { 0x2a, 0x84 }, /* (default) */ - { 0x2b, 0xa8 }, /* Set custom frame rate */ - { 0x2c, 0xa0 }, /* (reserved) */ - { 0x2d, 0x95 }, /* Enable banding filter */ - { 0x2e, 0x88 }, /* V offset */ - { 0x33, 0x22 }, /* Luminance gamma on */ - { 0x34, 0xc7 }, /* A/D bias */ - { 0x36, 0x12 }, /* (reserved) */ - { 0x37, 0x63 }, /* (reserved) */ - { 0x38, 0x8b }, /* Quick AEC/AEB */ - { 0x39, 0x00 }, /* (default) */ - { 0x3a, 0x0f }, /* (default) */ - { 0x3b, 0x3c }, /* (default) */ - { 0x3c, 0x5c }, /* AEC controls */ - { 0x3d, 0x80 }, /* Drop 1 (bad) frame when AEC change */ - { 0x3e, 0x80 }, /* (default) */ - { 0x3f, 0x02 }, /* (default) */ - { 0x40, 0x10 }, /* (reserved) */ - { 0x41, 0x10 }, /* (reserved) */ - { 0x42, 0x00 }, /* (reserved) */ - { 0x43, 0x7f }, /* (reserved) */ - { 0x44, 0x80 }, /* (reserved) */ - { 0x45, 0x1c }, /* (reserved) */ - { 0x46, 0x1c }, /* (reserved) */ - { 0x47, 0x80 }, /* (reserved) */ - { 0x48, 0x5f }, /* (reserved) */ - { 0x49, 0x00 }, /* (reserved) */ - { 0x4a, 0x00 }, /* Color balance (undocumented) */ - { 0x4b, 0x80 }, /* Color balance (undocumented) */ - { 0x4c, 0x58 }, /* (reserved) */ - { 0x4d, 0xd2 }, /* U *= .938, V *= .838 */ - { 0x4e, 0xa0 }, /* (default) */ - { 0x4f, 0x04 }, /* UV 3-point average */ - { 0x50, 0xff }, /* (reserved) */ - { 0x51, 0x58 }, /* (reserved) */ - { 0x52, 0xc0 }, /* (reserved) */ - { 0x53, 0x42 }, /* (reserved) */ - { 0x27, 0xa6 }, /* Enable manual offset adj. (reg 21 & 22) */ - { 0x12, 0x20 }, - { 0x12, 0x24 }, - - { 0xff, 0xff }, /* END MARKER */ -}; - -/* This initializes the OV6x20 camera chip and relevant variables. */ -static int ov6x20_init(struct i2c_client *c) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - struct ov6x20 *s; - int rc; - - DDEBUG(4, &c->dev, "entered"); - - switch (c->adapter->id) { - case I2C_HW_SMBUS_OV511: - rc = ov_write_regvals(c, regvals_init_6x20_511); - break; - case I2C_HW_SMBUS_OV518: - rc = ov_write_regvals(c, regvals_init_6x20_518); - break; - default: - dev_err(&c->dev, "ov6x20: Unsupported adapter\n"); - rc = -ENODEV; - } - - if (rc < 0) - return rc; - - ov->spriv = s = kzalloc(sizeof *s, GFP_KERNEL); - if (!s) - return -ENOMEM; - - s->auto_brt = 1; - s->auto_exp = 1; - - return rc; -} - -static int ov6x20_free(struct i2c_client *c) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - - kfree(ov->spriv); - return 0; -} - -static int ov6x20_set_control(struct i2c_client *c, - struct ovcamchip_control *ctl) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - struct ov6x20 *s = ov->spriv; - int rc; - int v = ctl->value; - - switch (ctl->id) { - case OVCAMCHIP_CID_CONT: - rc = ov_write(c, REG_CNT, v >> 8); - break; - case OVCAMCHIP_CID_BRIGHT: - rc = ov_write(c, REG_BRT, v >> 8); - break; - case OVCAMCHIP_CID_SAT: - rc = ov_write(c, REG_SAT, v >> 8); - break; - case OVCAMCHIP_CID_HUE: - rc = ov_write(c, REG_RED, 0xFF - (v >> 8)); - if (rc < 0) - goto out; - - rc = ov_write(c, REG_BLUE, v >> 8); - break; - case OVCAMCHIP_CID_EXP: - rc = ov_write(c, REG_EXP, v); - break; - case OVCAMCHIP_CID_FREQ: - { - int sixty = (v == 60); - - rc = ov_write(c, 0x2b, sixty?0xa8:0x28); - if (rc < 0) - goto out; - - rc = ov_write(c, 0x2a, sixty?0x84:0xa4); - break; - } - case OVCAMCHIP_CID_BANDFILT: - rc = ov_write_mask(c, 0x2d, v?0x04:0x00, 0x04); - s->bandfilt = v; - break; - case OVCAMCHIP_CID_AUTOBRIGHT: - rc = ov_write_mask(c, 0x2d, v?0x10:0x00, 0x10); - s->auto_brt = v; - break; - case OVCAMCHIP_CID_AUTOEXP: - rc = ov_write_mask(c, 0x13, v?0x01:0x00, 0x01); - s->auto_exp = v; - break; - case OVCAMCHIP_CID_BACKLIGHT: - { - rc = ov_write_mask(c, 0x4e, v?0xe0:0xc0, 0xe0); - if (rc < 0) - goto out; - - rc = ov_write_mask(c, 0x29, v?0x08:0x00, 0x08); - if (rc < 0) - goto out; - - rc = ov_write_mask(c, 0x0e, v?0x80:0x00, 0x80); - s->backlight = v; - break; - } - case OVCAMCHIP_CID_MIRROR: - rc = ov_write_mask(c, 0x12, v?0x40:0x00, 0x40); - s->mirror = v; - break; - default: - DDEBUG(2, &c->dev, "control not supported: %d", ctl->id); - return -EPERM; - } - -out: - DDEBUG(3, &c->dev, "id=%d, arg=%d, rc=%d", ctl->id, v, rc); - return rc; -} - -static int ov6x20_get_control(struct i2c_client *c, - struct ovcamchip_control *ctl) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - struct ov6x20 *s = ov->spriv; - int rc = 0; - unsigned char val = 0; - - switch (ctl->id) { - case OVCAMCHIP_CID_CONT: - rc = ov_read(c, REG_CNT, &val); - ctl->value = val << 8; - break; - case OVCAMCHIP_CID_BRIGHT: - rc = ov_read(c, REG_BRT, &val); - ctl->value = val << 8; - break; - case OVCAMCHIP_CID_SAT: - rc = ov_read(c, REG_SAT, &val); - ctl->value = val << 8; - break; - case OVCAMCHIP_CID_HUE: - rc = ov_read(c, REG_BLUE, &val); - ctl->value = val << 8; - break; - case OVCAMCHIP_CID_EXP: - rc = ov_read(c, REG_EXP, &val); - ctl->value = val; - break; - case OVCAMCHIP_CID_BANDFILT: - ctl->value = s->bandfilt; - break; - case OVCAMCHIP_CID_AUTOBRIGHT: - ctl->value = s->auto_brt; - break; - case OVCAMCHIP_CID_AUTOEXP: - ctl->value = s->auto_exp; - break; - case OVCAMCHIP_CID_BACKLIGHT: - ctl->value = s->backlight; - break; - case OVCAMCHIP_CID_MIRROR: - ctl->value = s->mirror; - break; - default: - DDEBUG(2, &c->dev, "control not supported: %d", ctl->id); - return -EPERM; - } - - DDEBUG(3, &c->dev, "id=%d, arg=%d, rc=%d", ctl->id, ctl->value, rc); - return rc; -} - -static int ov6x20_mode_init(struct i2c_client *c, struct ovcamchip_window *win) -{ - /******** QCIF-specific regs ********/ - - ov_write(c, 0x14, win->quarter?0x24:0x04); - - /******** Palette-specific regs ********/ - - /* OV518 needs 8 bit multiplexed in color mode, and 16 bit in B&W */ - if (c->adapter->id == I2C_HW_SMBUS_OV518) { - if (win->format == VIDEO_PALETTE_GREY) - ov_write_mask(c, 0x13, 0x00, 0x20); - else - ov_write_mask(c, 0x13, 0x20, 0x20); - } else { - if (win->format == VIDEO_PALETTE_GREY) - ov_write_mask(c, 0x13, 0x20, 0x20); - else - ov_write_mask(c, 0x13, 0x00, 0x20); - } - - /******** Clock programming ********/ - - /* The OV6620 needs special handling. This prevents the - * severe banding that normally occurs */ - - /* Clock down */ - ov_write(c, 0x2a, 0x04); - - ov_write(c, 0x11, win->clockdiv); - - ov_write(c, 0x2a, 0x84); - /* This next setting is critical. It seems to improve - * the gain or the contrast. The "reserved" bits seem - * to have some effect in this case. */ - ov_write(c, 0x2d, 0x85); /* FIXME: This messes up banding filter */ - - return 0; -} - -static int ov6x20_set_window(struct i2c_client *c, struct ovcamchip_window *win) -{ - int ret, hwscale, vwscale; - - ret = ov6x20_mode_init(c, win); - if (ret < 0) - return ret; - - if (win->quarter) { - hwscale = 0; - vwscale = 0; - } else { - hwscale = 1; - vwscale = 1; /* The datasheet says 0; it's wrong */ - } - - ov_write(c, 0x17, HWSBASE + (win->x >> hwscale)); - ov_write(c, 0x18, HWEBASE + ((win->x + win->width) >> hwscale)); - ov_write(c, 0x19, VWSBASE + (win->y >> vwscale)); - ov_write(c, 0x1a, VWEBASE + ((win->y + win->height) >> vwscale)); - - return 0; -} - -static int ov6x20_command(struct i2c_client *c, unsigned int cmd, void *arg) -{ - switch (cmd) { - case OVCAMCHIP_CMD_S_CTRL: - return ov6x20_set_control(c, arg); - case OVCAMCHIP_CMD_G_CTRL: - return ov6x20_get_control(c, arg); - case OVCAMCHIP_CMD_S_MODE: - return ov6x20_set_window(c, arg); - default: - DDEBUG(2, &c->dev, "command not supported: %d", cmd); - return -ENOIOCTLCMD; - } -} - -struct ovcamchip_ops ov6x20_ops = { - .init = ov6x20_init, - .free = ov6x20_free, - .command = ov6x20_command, -}; diff --git a/drivers/media/video/ovcamchip/ov6x30.c b/drivers/media/video/ovcamchip/ov6x30.c deleted file mode 100644 index 73b94f51a85a..000000000000 --- a/drivers/media/video/ovcamchip/ov6x30.c +++ /dev/null @@ -1,373 +0,0 @@ -/* OmniVision OV6630/OV6130 Camera Chip Support Code - * - * Copyright (c) 1999-2004 Mark McClelland <mark@alpha.dyndns.org> - * http://alpha.dyndns.org/ov511/ - * - * 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. NO WARRANTY OF ANY KIND is expressed or implied. - */ - -#define DEBUG - -#include <linux/slab.h> -#include "ovcamchip_priv.h" - -/* Registers */ -#define REG_GAIN 0x00 /* gain [5:0] */ -#define REG_BLUE 0x01 /* blue gain */ -#define REG_RED 0x02 /* red gain */ -#define REG_SAT 0x03 /* saturation [7:3] */ -#define REG_CNT 0x05 /* Y contrast [3:0] */ -#define REG_BRT 0x06 /* Y brightness */ -#define REG_SHARP 0x07 /* sharpness */ -#define REG_WB_BLUE 0x0C /* WB blue ratio [5:0] */ -#define REG_WB_RED 0x0D /* WB red ratio [5:0] */ -#define REG_EXP 0x10 /* exposure */ - -/* Window parameters */ -#define HWSBASE 0x38 -#define HWEBASE 0x3A -#define VWSBASE 0x05 -#define VWEBASE 0x06 - -struct ov6x30 { - int auto_brt; - int auto_exp; - int backlight; - int bandfilt; - int mirror; -}; - -static struct ovcamchip_regvals regvals_init_6x30[] = { - { 0x12, 0x80 }, /* reset */ - { 0x00, 0x1f }, /* Gain */ - { 0x01, 0x99 }, /* Blue gain */ - { 0x02, 0x7c }, /* Red gain */ - { 0x03, 0xc0 }, /* Saturation */ - { 0x05, 0x0a }, /* Contrast */ - { 0x06, 0x95 }, /* Brightness */ - { 0x07, 0x2d }, /* Sharpness */ - { 0x0c, 0x20 }, - { 0x0d, 0x20 }, - { 0x0e, 0x20 }, - { 0x0f, 0x05 }, - { 0x10, 0x9a }, /* "exposure check" */ - { 0x11, 0x00 }, /* Pixel clock = fastest */ - { 0x12, 0x24 }, /* Enable AGC and AWB */ - { 0x13, 0x21 }, - { 0x14, 0x80 }, - { 0x15, 0x01 }, - { 0x16, 0x03 }, - { 0x17, 0x38 }, - { 0x18, 0xea }, - { 0x19, 0x04 }, - { 0x1a, 0x93 }, - { 0x1b, 0x00 }, - { 0x1e, 0xc4 }, - { 0x1f, 0x04 }, - { 0x20, 0x20 }, - { 0x21, 0x10 }, - { 0x22, 0x88 }, - { 0x23, 0xc0 }, /* Crystal circuit power level */ - { 0x25, 0x9a }, /* Increase AEC black pixel ratio */ - { 0x26, 0xb2 }, /* BLC enable */ - { 0x27, 0xa2 }, - { 0x28, 0x00 }, - { 0x29, 0x00 }, - { 0x2a, 0x84 }, /* (keep) */ - { 0x2b, 0xa8 }, /* (keep) */ - { 0x2c, 0xa0 }, - { 0x2d, 0x95 }, /* Enable auto-brightness */ - { 0x2e, 0x88 }, - { 0x33, 0x26 }, - { 0x34, 0x03 }, - { 0x36, 0x8f }, - { 0x37, 0x80 }, - { 0x38, 0x83 }, - { 0x39, 0x80 }, - { 0x3a, 0x0f }, - { 0x3b, 0x3c }, - { 0x3c, 0x1a }, - { 0x3d, 0x80 }, - { 0x3e, 0x80 }, - { 0x3f, 0x0e }, - { 0x40, 0x00 }, /* White bal */ - { 0x41, 0x00 }, /* White bal */ - { 0x42, 0x80 }, - { 0x43, 0x3f }, /* White bal */ - { 0x44, 0x80 }, - { 0x45, 0x20 }, - { 0x46, 0x20 }, - { 0x47, 0x80 }, - { 0x48, 0x7f }, - { 0x49, 0x00 }, - { 0x4a, 0x00 }, - { 0x4b, 0x80 }, - { 0x4c, 0xd0 }, - { 0x4d, 0x10 }, /* U = 0.563u, V = 0.714v */ - { 0x4e, 0x40 }, - { 0x4f, 0x07 }, /* UV average mode, color killer: strongest */ - { 0x50, 0xff }, - { 0x54, 0x23 }, /* Max AGC gain: 18dB */ - { 0x55, 0xff }, - { 0x56, 0x12 }, - { 0x57, 0x81 }, /* (default) */ - { 0x58, 0x75 }, - { 0x59, 0x01 }, /* AGC dark current compensation: +1 */ - { 0x5a, 0x2c }, - { 0x5b, 0x0f }, /* AWB chrominance levels */ - { 0x5c, 0x10 }, - { 0x3d, 0x80 }, - { 0x27, 0xa6 }, - /* Toggle AWB off and on */ - { 0x12, 0x20 }, - { 0x12, 0x24 }, - - { 0xff, 0xff }, /* END MARKER */ -}; - -/* This initializes the OV6x30 camera chip and relevant variables. */ -static int ov6x30_init(struct i2c_client *c) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - struct ov6x30 *s; - int rc; - - DDEBUG(4, &c->dev, "entered"); - - rc = ov_write_regvals(c, regvals_init_6x30); - if (rc < 0) - return rc; - - ov->spriv = s = kzalloc(sizeof *s, GFP_KERNEL); - if (!s) - return -ENOMEM; - - s->auto_brt = 1; - s->auto_exp = 1; - - return rc; -} - -static int ov6x30_free(struct i2c_client *c) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - - kfree(ov->spriv); - return 0; -} - -static int ov6x30_set_control(struct i2c_client *c, - struct ovcamchip_control *ctl) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - struct ov6x30 *s = ov->spriv; - int rc; - int v = ctl->value; - - switch (ctl->id) { - case OVCAMCHIP_CID_CONT: - rc = ov_write_mask(c, REG_CNT, v >> 12, 0x0f); - break; - case OVCAMCHIP_CID_BRIGHT: - rc = ov_write(c, REG_BRT, v >> 8); - break; - case OVCAMCHIP_CID_SAT: - rc = ov_write(c, REG_SAT, v >> 8); - break; - case OVCAMCHIP_CID_HUE: - rc = ov_write(c, REG_RED, 0xFF - (v >> 8)); - if (rc < 0) - goto out; - - rc = ov_write(c, REG_BLUE, v >> 8); - break; - case OVCAMCHIP_CID_EXP: - rc = ov_write(c, REG_EXP, v); - break; - case OVCAMCHIP_CID_FREQ: - { - int sixty = (v == 60); - - rc = ov_write(c, 0x2b, sixty?0xa8:0x28); - if (rc < 0) - goto out; - - rc = ov_write(c, 0x2a, sixty?0x84:0xa4); - break; - } - case OVCAMCHIP_CID_BANDFILT: - rc = ov_write_mask(c, 0x2d, v?0x04:0x00, 0x04); - s->bandfilt = v; - break; - case OVCAMCHIP_CID_AUTOBRIGHT: - rc = ov_write_mask(c, 0x2d, v?0x10:0x00, 0x10); - s->auto_brt = v; - break; - case OVCAMCHIP_CID_AUTOEXP: - rc = ov_write_mask(c, 0x28, v?0x00:0x10, 0x10); - s->auto_exp = v; - break; - case OVCAMCHIP_CID_BACKLIGHT: - { - rc = ov_write_mask(c, 0x4e, v?0x80:0x60, 0xe0); - if (rc < 0) - goto out; - - rc = ov_write_mask(c, 0x29, v?0x08:0x00, 0x08); - if (rc < 0) - goto out; - - rc = ov_write_mask(c, 0x28, v?0x02:0x00, 0x02); - s->backlight = v; - break; - } - case OVCAMCHIP_CID_MIRROR: - rc = ov_write_mask(c, 0x12, v?0x40:0x00, 0x40); - s->mirror = v; - break; - default: - DDEBUG(2, &c->dev, "control not supported: %d", ctl->id); - return -EPERM; - } - -out: - DDEBUG(3, &c->dev, "id=%d, arg=%d, rc=%d", ctl->id, v, rc); - return rc; -} - -static int ov6x30_get_control(struct i2c_client *c, - struct ovcamchip_control *ctl) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - struct ov6x30 *s = ov->spriv; - int rc = 0; - unsigned char val = 0; - - switch (ctl->id) { - case OVCAMCHIP_CID_CONT: - rc = ov_read(c, REG_CNT, &val); - ctl->value = (val & 0x0f) << 12; - break; - case OVCAMCHIP_CID_BRIGHT: - rc = ov_read(c, REG_BRT, &val); - ctl->value = val << 8; - break; - case OVCAMCHIP_CID_SAT: - rc = ov_read(c, REG_SAT, &val); - ctl->value = val << 8; - break; - case OVCAMCHIP_CID_HUE: - rc = ov_read(c, REG_BLUE, &val); - ctl->value = val << 8; - break; - case OVCAMCHIP_CID_EXP: - rc = ov_read(c, REG_EXP, &val); - ctl->value = val; - break; - case OVCAMCHIP_CID_BANDFILT: - ctl->value = s->bandfilt; - break; - case OVCAMCHIP_CID_AUTOBRIGHT: - ctl->value = s->auto_brt; - break; - case OVCAMCHIP_CID_AUTOEXP: - ctl->value = s->auto_exp; - break; - case OVCAMCHIP_CID_BACKLIGHT: - ctl->value = s->backlight; - break; - case OVCAMCHIP_CID_MIRROR: - ctl->value = s->mirror; - break; - default: - DDEBUG(2, &c->dev, "control not supported: %d", ctl->id); - return -EPERM; - } - - DDEBUG(3, &c->dev, "id=%d, arg=%d, rc=%d", ctl->id, ctl->value, rc); - return rc; -} - -static int ov6x30_mode_init(struct i2c_client *c, struct ovcamchip_window *win) -{ - /******** QCIF-specific regs ********/ - - ov_write_mask(c, 0x14, win->quarter?0x20:0x00, 0x20); - - /******** Palette-specific regs ********/ - - if (win->format == VIDEO_PALETTE_GREY) { - if (c->adapter->id == I2C_HW_SMBUS_OV518) { - /* Do nothing - we're already in 8-bit mode */ - } else { - ov_write_mask(c, 0x13, 0x20, 0x20); - } - } else { - /* The OV518 needs special treatment. Although both the OV518 - * and the OV6630 support a 16-bit video bus, only the 8 bit Y - * bus is actually used. The UV bus is tied to ground. - * Therefore, the OV6630 needs to be in 8-bit multiplexed - * output mode */ - - if (c->adapter->id == I2C_HW_SMBUS_OV518) { - /* Do nothing - we want to stay in 8-bit mode */ - /* Warning: Messing with reg 0x13 breaks OV518 color */ - } else { - ov_write_mask(c, 0x13, 0x00, 0x20); - } - } - - /******** Clock programming ********/ - - ov_write(c, 0x11, win->clockdiv); - - return 0; -} - -static int ov6x30_set_window(struct i2c_client *c, struct ovcamchip_window *win) -{ - int ret, hwscale, vwscale; - - ret = ov6x30_mode_init(c, win); - if (ret < 0) - return ret; - - if (win->quarter) { - hwscale = 0; - vwscale = 0; - } else { - hwscale = 1; - vwscale = 1; /* The datasheet says 0; it's wrong */ - } - - ov_write(c, 0x17, HWSBASE + (win->x >> hwscale)); - ov_write(c, 0x18, HWEBASE + ((win->x + win->width) >> hwscale)); - ov_write(c, 0x19, VWSBASE + (win->y >> vwscale)); - ov_write(c, 0x1a, VWEBASE + ((win->y + win->height) >> vwscale)); - - return 0; -} - -static int ov6x30_command(struct i2c_client *c, unsigned int cmd, void *arg) -{ - switch (cmd) { - case OVCAMCHIP_CMD_S_CTRL: - return ov6x30_set_control(c, arg); - case OVCAMCHIP_CMD_G_CTRL: - return ov6x30_get_control(c, arg); - case OVCAMCHIP_CMD_S_MODE: - return ov6x30_set_window(c, arg); - default: - DDEBUG(2, &c->dev, "command not supported: %d", cmd); - return -ENOIOCTLCMD; - } -} - -struct ovcamchip_ops ov6x30_ops = { - .init = ov6x30_init, - .free = ov6x30_free, - .command = ov6x30_command, -}; diff --git a/drivers/media/video/ovcamchip/ov76be.c b/drivers/media/video/ovcamchip/ov76be.c deleted file mode 100644 index 11f6be924d8b..000000000000 --- a/drivers/media/video/ovcamchip/ov76be.c +++ /dev/null @@ -1,302 +0,0 @@ -/* OmniVision OV76BE Camera Chip Support Code - * - * Copyright (c) 1999-2004 Mark McClelland <mark@alpha.dyndns.org> - * http://alpha.dyndns.org/ov511/ - * - * 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. NO WARRANTY OF ANY KIND is expressed or implied. - */ - -#define DEBUG - -#include <linux/slab.h> -#include "ovcamchip_priv.h" - -/* OV7610 registers: Since the OV76BE is undocumented, we'll settle for these - * for now. */ -#define REG_GAIN 0x00 /* gain [5:0] */ -#define REG_BLUE 0x01 /* blue channel balance */ -#define REG_RED 0x02 /* red channel balance */ -#define REG_SAT 0x03 /* saturation */ -#define REG_CNT 0x05 /* Y contrast */ -#define REG_BRT 0x06 /* Y brightness */ -#define REG_BLUE_BIAS 0x0C /* blue channel bias [5:0] */ -#define REG_RED_BIAS 0x0D /* red channel bias [5:0] */ -#define REG_GAMMA_COEFF 0x0E /* gamma settings */ -#define REG_WB_RANGE 0x0F /* AEC/ALC/S-AWB settings */ -#define REG_EXP 0x10 /* manual exposure setting */ -#define REG_CLOCK 0x11 /* polarity/clock prescaler */ -#define REG_FIELD_DIVIDE 0x16 /* field interval/mode settings */ -#define REG_HWIN_START 0x17 /* horizontal window start */ -#define REG_HWIN_END 0x18 /* horizontal window end */ -#define REG_VWIN_START 0x19 /* vertical window start */ -#define REG_VWIN_END 0x1A /* vertical window end */ -#define REG_PIXEL_SHIFT 0x1B /* pixel shift */ -#define REG_YOFFSET 0x21 /* Y channel offset */ -#define REG_UOFFSET 0x22 /* U channel offset */ -#define REG_ECW 0x24 /* exposure white level for AEC */ -#define REG_ECB 0x25 /* exposure black level for AEC */ -#define REG_FRAMERATE_H 0x2A /* frame rate MSB + misc */ -#define REG_FRAMERATE_L 0x2B /* frame rate LSB */ -#define REG_ALC 0x2C /* Auto Level Control settings */ -#define REG_VOFFSET 0x2E /* V channel offset adjustment */ -#define REG_ARRAY_BIAS 0x2F /* array bias -- don't change */ -#define REG_YGAMMA 0x33 /* misc gamma settings [7:6] */ -#define REG_BIAS_ADJUST 0x34 /* misc bias settings */ - -/* Window parameters */ -#define HWSBASE 0x38 -#define HWEBASE 0x3a -#define VWSBASE 0x05 -#define VWEBASE 0x05 - -struct ov76be { - int auto_brt; - int auto_exp; - int bandfilt; - int mirror; -}; - -/* NOTE: These are the same as the 7x10 settings, but should eventually be - * optimized for the OV76BE */ -static struct ovcamchip_regvals regvals_init_76be[] = { - { 0x10, 0xff }, - { 0x16, 0x03 }, - { 0x28, 0x24 }, - { 0x2b, 0xac }, - { 0x12, 0x00 }, - { 0x38, 0x81 }, - { 0x28, 0x24 }, /* 0c */ - { 0x0f, 0x85 }, /* lg's setting */ - { 0x15, 0x01 }, - { 0x20, 0x1c }, - { 0x23, 0x2a }, - { 0x24, 0x10 }, - { 0x25, 0x8a }, - { 0x26, 0xa2 }, - { 0x27, 0xc2 }, - { 0x2a, 0x04 }, - { 0x2c, 0xfe }, - { 0x2d, 0x93 }, - { 0x30, 0x71 }, - { 0x31, 0x60 }, - { 0x32, 0x26 }, - { 0x33, 0x20 }, - { 0x34, 0x48 }, - { 0x12, 0x24 }, - { 0x11, 0x01 }, - { 0x0c, 0x24 }, - { 0x0d, 0x24 }, - { 0xff, 0xff }, /* END MARKER */ -}; - -/* This initializes the OV76be camera chip and relevant variables. */ -static int ov76be_init(struct i2c_client *c) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - struct ov76be *s; - int rc; - - DDEBUG(4, &c->dev, "entered"); - - rc = ov_write_regvals(c, regvals_init_76be); - if (rc < 0) - return rc; - - ov->spriv = s = kzalloc(sizeof *s, GFP_KERNEL); - if (!s) - return -ENOMEM; - - s->auto_brt = 1; - s->auto_exp = 1; - - return rc; -} - -static int ov76be_free(struct i2c_client *c) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - - kfree(ov->spriv); - return 0; -} - -static int ov76be_set_control(struct i2c_client *c, - struct ovcamchip_control *ctl) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - struct ov76be *s = ov->spriv; - int rc; - int v = ctl->value; - - switch (ctl->id) { - case OVCAMCHIP_CID_BRIGHT: - rc = ov_write(c, REG_BRT, v >> 8); - break; - case OVCAMCHIP_CID_SAT: - rc = ov_write(c, REG_SAT, v >> 8); - break; - case OVCAMCHIP_CID_EXP: - rc = ov_write(c, REG_EXP, v); - break; - case OVCAMCHIP_CID_FREQ: - { - int sixty = (v == 60); - - rc = ov_write_mask(c, 0x2a, sixty?0x00:0x80, 0x80); - if (rc < 0) - goto out; - - rc = ov_write(c, 0x2b, sixty?0x00:0xac); - if (rc < 0) - goto out; - - rc = ov_write_mask(c, 0x76, 0x01, 0x01); - break; - } - case OVCAMCHIP_CID_BANDFILT: - rc = ov_write_mask(c, 0x2d, v?0x04:0x00, 0x04); - s->bandfilt = v; - break; - case OVCAMCHIP_CID_AUTOBRIGHT: - rc = ov_write_mask(c, 0x2d, v?0x10:0x00, 0x10); - s->auto_brt = v; - break; - case OVCAMCHIP_CID_AUTOEXP: - rc = ov_write_mask(c, 0x13, v?0x01:0x00, 0x01); - s->auto_exp = v; - break; - case OVCAMCHIP_CID_MIRROR: - rc = ov_write_mask(c, 0x12, v?0x40:0x00, 0x40); - s->mirror = v; - break; - default: - DDEBUG(2, &c->dev, "control not supported: %d", ctl->id); - return -EPERM; - } - -out: - DDEBUG(3, &c->dev, "id=%d, arg=%d, rc=%d", ctl->id, v, rc); - return rc; -} - -static int ov76be_get_control(struct i2c_client *c, - struct ovcamchip_control *ctl) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - struct ov76be *s = ov->spriv; - int rc = 0; - unsigned char val = 0; - - switch (ctl->id) { - case OVCAMCHIP_CID_BRIGHT: - rc = ov_read(c, REG_BRT, &val); - ctl->value = val << 8; - break; - case OVCAMCHIP_CID_SAT: - rc = ov_read(c, REG_SAT, &val); - ctl->value = val << 8; - break; - case OVCAMCHIP_CID_EXP: - rc = ov_read(c, REG_EXP, &val); - ctl->value = val; - break; - case OVCAMCHIP_CID_BANDFILT: - ctl->value = s->bandfilt; - break; - case OVCAMCHIP_CID_AUTOBRIGHT: - ctl->value = s->auto_brt; - break; - case OVCAMCHIP_CID_AUTOEXP: - ctl->value = s->auto_exp; - break; - case OVCAMCHIP_CID_MIRROR: - ctl->value = s->mirror; - break; - default: - DDEBUG(2, &c->dev, "control not supported: %d", ctl->id); - return -EPERM; - } - - DDEBUG(3, &c->dev, "id=%d, arg=%d, rc=%d", ctl->id, ctl->value, rc); - return rc; -} - -static int ov76be_mode_init(struct i2c_client *c, struct ovcamchip_window *win) -{ - int qvga = win->quarter; - - /******** QVGA-specific regs ********/ - - ov_write(c, 0x14, qvga?0xa4:0x84); - - /******** Palette-specific regs ********/ - - if (win->format == VIDEO_PALETTE_GREY) { - ov_write_mask(c, 0x0e, 0x40, 0x40); - ov_write_mask(c, 0x13, 0x20, 0x20); - } else { - ov_write_mask(c, 0x0e, 0x00, 0x40); - ov_write_mask(c, 0x13, 0x00, 0x20); - } - - /******** Clock programming ********/ - - ov_write(c, 0x11, win->clockdiv); - - /******** Resolution-specific ********/ - - if (win->width == 640 && win->height == 480) - ov_write(c, 0x35, 0x9e); - else - ov_write(c, 0x35, 0x1e); - - return 0; -} - -static int ov76be_set_window(struct i2c_client *c, struct ovcamchip_window *win) -{ - int ret, hwscale, vwscale; - - ret = ov76be_mode_init(c, win); - if (ret < 0) - return ret; - - if (win->quarter) { - hwscale = 1; - vwscale = 0; - } else { - hwscale = 2; - vwscale = 1; - } - - ov_write(c, 0x17, HWSBASE + (win->x >> hwscale)); - ov_write(c, 0x18, HWEBASE + ((win->x + win->width) >> hwscale)); - ov_write(c, 0x19, VWSBASE + (win->y >> vwscale)); - ov_write(c, 0x1a, VWEBASE + ((win->y + win->height) >> vwscale)); - - return 0; -} - -static int ov76be_command(struct i2c_client *c, unsigned int cmd, void *arg) -{ - switch (cmd) { - case OVCAMCHIP_CMD_S_CTRL: - return ov76be_set_control(c, arg); - case OVCAMCHIP_CMD_G_CTRL: - return ov76be_get_control(c, arg); - case OVCAMCHIP_CMD_S_MODE: - return ov76be_set_window(c, arg); - default: - DDEBUG(2, &c->dev, "command not supported: %d", cmd); - return -ENOIOCTLCMD; - } -} - -struct ovcamchip_ops ov76be_ops = { - .init = ov76be_init, - .free = ov76be_free, - .command = ov76be_command, -}; diff --git a/drivers/media/video/ovcamchip/ov7x10.c b/drivers/media/video/ovcamchip/ov7x10.c deleted file mode 100644 index 5206e7913924..000000000000 --- a/drivers/media/video/ovcamchip/ov7x10.c +++ /dev/null @@ -1,334 +0,0 @@ -/* OmniVision OV7610/OV7110 Camera Chip Support Code - * - * Copyright (c) 1999-2004 Mark McClelland <mark@alpha.dyndns.org> - * http://alpha.dyndns.org/ov511/ - * - * Color fixes by by Orion Sky Lawlor <olawlor@acm.org> (2/26/2000) - * - * 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. NO WARRANTY OF ANY KIND is expressed or implied. - */ - -#define DEBUG - -#include <linux/slab.h> -#include "ovcamchip_priv.h" - -/* Registers */ -#define REG_GAIN 0x00 /* gain [5:0] */ -#define REG_BLUE 0x01 /* blue channel balance */ -#define REG_RED 0x02 /* red channel balance */ -#define REG_SAT 0x03 /* saturation */ -#define REG_CNT 0x05 /* Y contrast */ -#define REG_BRT 0x06 /* Y brightness */ -#define REG_BLUE_BIAS 0x0C /* blue channel bias [5:0] */ -#define REG_RED_BIAS 0x0D /* red channel bias [5:0] */ -#define REG_GAMMA_COEFF 0x0E /* gamma settings */ -#define REG_WB_RANGE 0x0F /* AEC/ALC/S-AWB settings */ -#define REG_EXP 0x10 /* manual exposure setting */ -#define REG_CLOCK 0x11 /* polarity/clock prescaler */ -#define REG_FIELD_DIVIDE 0x16 /* field interval/mode settings */ -#define REG_HWIN_START 0x17 /* horizontal window start */ -#define REG_HWIN_END 0x18 /* horizontal window end */ -#define REG_VWIN_START 0x19 /* vertical window start */ -#define REG_VWIN_END 0x1A /* vertical window end */ -#define REG_PIXEL_SHIFT 0x1B /* pixel shift */ -#define REG_YOFFSET 0x21 /* Y channel offset */ -#define REG_UOFFSET 0x22 /* U channel offset */ -#define REG_ECW 0x24 /* exposure white level for AEC */ -#define REG_ECB 0x25 /* exposure black level for AEC */ -#define REG_FRAMERATE_H 0x2A /* frame rate MSB + misc */ -#define REG_FRAMERATE_L 0x2B /* frame rate LSB */ -#define REG_ALC 0x2C /* Auto Level Control settings */ -#define REG_VOFFSET 0x2E /* V channel offset adjustment */ -#define REG_ARRAY_BIAS 0x2F /* array bias -- don't change */ -#define REG_YGAMMA 0x33 /* misc gamma settings [7:6] */ -#define REG_BIAS_ADJUST 0x34 /* misc bias settings */ - -/* Window parameters */ -#define HWSBASE 0x38 -#define HWEBASE 0x3a -#define VWSBASE 0x05 -#define VWEBASE 0x05 - -struct ov7x10 { - int auto_brt; - int auto_exp; - int bandfilt; - int mirror; -}; - -/* Lawrence Glaister <lg@jfm.bc.ca> reports: - * - * Register 0x0f in the 7610 has the following effects: - * - * 0x85 (AEC method 1): Best overall, good contrast range - * 0x45 (AEC method 2): Very overexposed - * 0xa5 (spec sheet default): Ok, but the black level is - * shifted resulting in loss of contrast - * 0x05 (old driver setting): very overexposed, too much - * contrast - */ -static struct ovcamchip_regvals regvals_init_7x10[] = { - { 0x10, 0xff }, - { 0x16, 0x03 }, - { 0x28, 0x24 }, - { 0x2b, 0xac }, - { 0x12, 0x00 }, - { 0x38, 0x81 }, - { 0x28, 0x24 }, /* 0c */ - { 0x0f, 0x85 }, /* lg's setting */ - { 0x15, 0x01 }, - { 0x20, 0x1c }, - { 0x23, 0x2a }, - { 0x24, 0x10 }, - { 0x25, 0x8a }, - { 0x26, 0xa2 }, - { 0x27, 0xc2 }, - { 0x2a, 0x04 }, - { 0x2c, 0xfe }, - { 0x2d, 0x93 }, - { 0x30, 0x71 }, - { 0x31, 0x60 }, - { 0x32, 0x26 }, - { 0x33, 0x20 }, - { 0x34, 0x48 }, - { 0x12, 0x24 }, - { 0x11, 0x01 }, - { 0x0c, 0x24 }, - { 0x0d, 0x24 }, - { 0xff, 0xff }, /* END MARKER */ -}; - -/* This initializes the OV7x10 camera chip and relevant variables. */ -static int ov7x10_init(struct i2c_client *c) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - struct ov7x10 *s; - int rc; - - DDEBUG(4, &c->dev, "entered"); - - rc = ov_write_regvals(c, regvals_init_7x10); - if (rc < 0) - return rc; - - ov->spriv = s = kzalloc(sizeof *s, GFP_KERNEL); - if (!s) - return -ENOMEM; - - s->auto_brt = 1; - s->auto_exp = 1; - - return rc; -} - -static int ov7x10_free(struct i2c_client *c) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - - kfree(ov->spriv); - return 0; -} - -static int ov7x10_set_control(struct i2c_client *c, - struct ovcamchip_control *ctl) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - struct ov7x10 *s = ov->spriv; - int rc; - int v = ctl->value; - - switch (ctl->id) { - case OVCAMCHIP_CID_CONT: - rc = ov_write(c, REG_CNT, v >> 8); - break; - case OVCAMCHIP_CID_BRIGHT: - rc = ov_write(c, REG_BRT, v >> 8); - break; - case OVCAMCHIP_CID_SAT: - rc = ov_write(c, REG_SAT, v >> 8); - break; - case OVCAMCHIP_CID_HUE: - rc = ov_write(c, REG_RED, 0xFF - (v >> 8)); - if (rc < 0) - goto out; - - rc = ov_write(c, REG_BLUE, v >> 8); - break; - case OVCAMCHIP_CID_EXP: - rc = ov_write(c, REG_EXP, v); - break; - case OVCAMCHIP_CID_FREQ: - { - int sixty = (v == 60); - - rc = ov_write_mask(c, 0x2a, sixty?0x00:0x80, 0x80); - if (rc < 0) - goto out; - - rc = ov_write(c, 0x2b, sixty?0x00:0xac); - if (rc < 0) - goto out; - - rc = ov_write_mask(c, 0x13, 0x10, 0x10); - if (rc < 0) - goto out; - - rc = ov_write_mask(c, 0x13, 0x00, 0x10); - break; - } - case OVCAMCHIP_CID_BANDFILT: - rc = ov_write_mask(c, 0x2d, v?0x04:0x00, 0x04); - s->bandfilt = v; - break; - case OVCAMCHIP_CID_AUTOBRIGHT: - rc = ov_write_mask(c, 0x2d, v?0x10:0x00, 0x10); - s->auto_brt = v; - break; - case OVCAMCHIP_CID_AUTOEXP: - rc = ov_write_mask(c, 0x29, v?0x00:0x80, 0x80); - s->auto_exp = v; - break; - case OVCAMCHIP_CID_MIRROR: - rc = ov_write_mask(c, 0x12, v?0x40:0x00, 0x40); - s->mirror = v; - break; - default: - DDEBUG(2, &c->dev, "control not supported: %d", ctl->id); - return -EPERM; - } - -out: - DDEBUG(3, &c->dev, "id=%d, arg=%d, rc=%d", ctl->id, v, rc); - return rc; -} - -static int ov7x10_get_control(struct i2c_client *c, - struct ovcamchip_control *ctl) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - struct ov7x10 *s = ov->spriv; - int rc = 0; - unsigned char val = 0; - - switch (ctl->id) { - case OVCAMCHIP_CID_CONT: - rc = ov_read(c, REG_CNT, &val); - ctl->value = val << 8; - break; - case OVCAMCHIP_CID_BRIGHT: - rc = ov_read(c, REG_BRT, &val); - ctl->value = val << 8; - break; - case OVCAMCHIP_CID_SAT: - rc = ov_read(c, REG_SAT, &val); - ctl->value = val << 8; - break; - case OVCAMCHIP_CID_HUE: - rc = ov_read(c, REG_BLUE, &val); - ctl->value = val << 8; - break; - case OVCAMCHIP_CID_EXP: - rc = ov_read(c, REG_EXP, &val); - ctl->value = val; - break; - case OVCAMCHIP_CID_BANDFILT: - ctl->value = s->bandfilt; - break; - case OVCAMCHIP_CID_AUTOBRIGHT: - ctl->value = s->auto_brt; - break; - case OVCAMCHIP_CID_AUTOEXP: - ctl->value = s->auto_exp; - break; - case OVCAMCHIP_CID_MIRROR: - ctl->value = s->mirror; - break; - default: - DDEBUG(2, &c->dev, "control not supported: %d", ctl->id); - return -EPERM; - } - - DDEBUG(3, &c->dev, "id=%d, arg=%d, rc=%d", ctl->id, ctl->value, rc); - return rc; -} - -static int ov7x10_mode_init(struct i2c_client *c, struct ovcamchip_window *win) -{ - int qvga = win->quarter; - - /******** QVGA-specific regs ********/ - - ov_write(c, 0x14, qvga?0x24:0x04); - - /******** Palette-specific regs ********/ - - if (win->format == VIDEO_PALETTE_GREY) { - ov_write_mask(c, 0x0e, 0x40, 0x40); - ov_write_mask(c, 0x13, 0x20, 0x20); - } else { - ov_write_mask(c, 0x0e, 0x00, 0x40); - ov_write_mask(c, 0x13, 0x00, 0x20); - } - - /******** Clock programming ********/ - - ov_write(c, 0x11, win->clockdiv); - - /******** Resolution-specific ********/ - - if (win->width == 640 && win->height == 480) - ov_write(c, 0x35, 0x9e); - else - ov_write(c, 0x35, 0x1e); - - return 0; -} - -static int ov7x10_set_window(struct i2c_client *c, struct ovcamchip_window *win) -{ - int ret, hwscale, vwscale; - - ret = ov7x10_mode_init(c, win); - if (ret < 0) - return ret; - - if (win->quarter) { - hwscale = 1; - vwscale = 0; - } else { - hwscale = 2; - vwscale = 1; - } - - ov_write(c, 0x17, HWSBASE + (win->x >> hwscale)); - ov_write(c, 0x18, HWEBASE + ((win->x + win->width) >> hwscale)); - ov_write(c, 0x19, VWSBASE + (win->y >> vwscale)); - ov_write(c, 0x1a, VWEBASE + ((win->y + win->height) >> vwscale)); - - return 0; -} - -static int ov7x10_command(struct i2c_client *c, unsigned int cmd, void *arg) -{ - switch (cmd) { - case OVCAMCHIP_CMD_S_CTRL: - return ov7x10_set_control(c, arg); - case OVCAMCHIP_CMD_G_CTRL: - return ov7x10_get_control(c, arg); - case OVCAMCHIP_CMD_S_MODE: - return ov7x10_set_window(c, arg); - default: - DDEBUG(2, &c->dev, "command not supported: %d", cmd); - return -ENOIOCTLCMD; - } -} - -struct ovcamchip_ops ov7x10_ops = { - .init = ov7x10_init, - .free = ov7x10_free, - .command = ov7x10_command, -}; diff --git a/drivers/media/video/ovcamchip/ov7x20.c b/drivers/media/video/ovcamchip/ov7x20.c deleted file mode 100644 index 8e26ae338f31..000000000000 --- a/drivers/media/video/ovcamchip/ov7x20.c +++ /dev/null @@ -1,454 +0,0 @@ -/* OmniVision OV7620/OV7120 Camera Chip Support Code - * - * Copyright (c) 1999-2004 Mark McClelland <mark@alpha.dyndns.org> - * http://alpha.dyndns.org/ov511/ - * - * OV7620 fixes by Charl P. Botha <cpbotha@ieee.org> - * - * 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. NO WARRANTY OF ANY KIND is expressed or implied. - */ - -#define DEBUG - -#include <linux/slab.h> -#include "ovcamchip_priv.h" - -/* Registers */ -#define REG_GAIN 0x00 /* gain [5:0] */ -#define REG_BLUE 0x01 /* blue gain */ -#define REG_RED 0x02 /* red gain */ -#define REG_SAT 0x03 /* saturation */ -#define REG_BRT 0x06 /* Y brightness */ -#define REG_SHARP 0x07 /* analog sharpness */ -#define REG_BLUE_BIAS 0x0C /* WB blue ratio [5:0] */ -#define REG_RED_BIAS 0x0D /* WB red ratio [5:0] */ -#define REG_EXP 0x10 /* exposure */ - -/* Default control settings. Values are in terms of V4L2 controls. */ -#define OV7120_DFL_BRIGHT 0x60 -#define OV7620_DFL_BRIGHT 0x60 -#define OV7120_DFL_SAT 0xb0 -#define OV7620_DFL_SAT 0xc0 -#define DFL_AUTO_EXP 1 -#define DFL_AUTO_GAIN 1 -#define OV7120_DFL_GAIN 0x00 -#define OV7620_DFL_GAIN 0x00 -/* NOTE: Since autoexposure is the default, these aren't programmed into the - * OV7x20 chip. They are just here because V4L2 expects a default */ -#define OV7120_DFL_EXP 0x7f -#define OV7620_DFL_EXP 0x7f - -/* Window parameters */ -#define HWSBASE 0x2F /* From 7620.SET (spec is wrong) */ -#define HWEBASE 0x2F -#define VWSBASE 0x05 -#define VWEBASE 0x05 - -struct ov7x20 { - int auto_brt; - int auto_exp; - int auto_gain; - int backlight; - int bandfilt; - int mirror; -}; - -/* Contrast look-up table */ -static unsigned char ctab[] = { - 0x01, 0x05, 0x09, 0x11, 0x15, 0x35, 0x37, 0x57, - 0x5b, 0xa5, 0xa7, 0xc7, 0xc9, 0xcf, 0xef, 0xff -}; - -/* Settings for (Black & White) OV7120 camera chip */ -static struct ovcamchip_regvals regvals_init_7120[] = { - { 0x12, 0x80 }, /* reset */ - { 0x13, 0x00 }, /* Autoadjust off */ - { 0x12, 0x20 }, /* Disable AWB */ - { 0x13, DFL_AUTO_GAIN?0x01:0x00 }, /* Autoadjust on (if desired) */ - { 0x00, OV7120_DFL_GAIN }, - { 0x01, 0x80 }, - { 0x02, 0x80 }, - { 0x03, OV7120_DFL_SAT }, - { 0x06, OV7120_DFL_BRIGHT }, - { 0x07, 0x00 }, - { 0x0c, 0x20 }, - { 0x0d, 0x20 }, - { 0x11, 0x01 }, - { 0x14, 0x84 }, - { 0x15, 0x01 }, - { 0x16, 0x03 }, - { 0x17, 0x2f }, - { 0x18, 0xcf }, - { 0x19, 0x06 }, - { 0x1a, 0xf5 }, - { 0x1b, 0x00 }, - { 0x20, 0x08 }, - { 0x21, 0x80 }, - { 0x22, 0x80 }, - { 0x23, 0x00 }, - { 0x26, 0xa0 }, - { 0x27, 0xfa }, - { 0x28, 0x20 }, /* DON'T set bit 6. It is for the OV7620 only */ - { 0x29, DFL_AUTO_EXP?0x00:0x80 }, - { 0x2a, 0x10 }, - { 0x2b, 0x00 }, - { 0x2c, 0x88 }, - { 0x2d, 0x95 }, - { 0x2e, 0x80 }, - { 0x2f, 0x44 }, - { 0x60, 0x20 }, - { 0x61, 0x02 }, - { 0x62, 0x5f }, - { 0x63, 0xd5 }, - { 0x64, 0x57 }, - { 0x65, 0x83 }, /* OV says "don't change this value" */ - { 0x66, 0x55 }, - { 0x67, 0x92 }, - { 0x68, 0xcf }, - { 0x69, 0x76 }, - { 0x6a, 0x22 }, - { 0x6b, 0xe2 }, - { 0x6c, 0x40 }, - { 0x6d, 0x48 }, - { 0x6e, 0x80 }, - { 0x6f, 0x0d }, - { 0x70, 0x89 }, - { 0x71, 0x00 }, - { 0x72, 0x14 }, - { 0x73, 0x54 }, - { 0x74, 0xa0 }, - { 0x75, 0x8e }, - { 0x76, 0x00 }, - { 0x77, 0xff }, - { 0x78, 0x80 }, - { 0x79, 0x80 }, - { 0x7a, 0x80 }, - { 0x7b, 0xe6 }, - { 0x7c, 0x00 }, - { 0x24, 0x3a }, - { 0x25, 0x60 }, - { 0xff, 0xff }, /* END MARKER */ -}; - -/* Settings for (color) OV7620 camera chip */ -static struct ovcamchip_regvals regvals_init_7620[] = { - { 0x12, 0x80 }, /* reset */ - { 0x00, OV7620_DFL_GAIN }, - { 0x01, 0x80 }, - { 0x02, 0x80 }, - { 0x03, OV7620_DFL_SAT }, - { 0x06, OV7620_DFL_BRIGHT }, - { 0x07, 0x00 }, - { 0x0c, 0x24 }, - { 0x0c, 0x24 }, - { 0x0d, 0x24 }, - { 0x11, 0x01 }, - { 0x12, 0x24 }, - { 0x13, DFL_AUTO_GAIN?0x01:0x00 }, - { 0x14, 0x84 }, - { 0x15, 0x01 }, - { 0x16, 0x03 }, - { 0x17, 0x2f }, - { 0x18, 0xcf }, - { 0x19, 0x06 }, - { 0x1a, 0xf5 }, - { 0x1b, 0x00 }, - { 0x20, 0x18 }, - { 0x21, 0x80 }, - { 0x22, 0x80 }, - { 0x23, 0x00 }, - { 0x26, 0xa2 }, - { 0x27, 0xea }, - { 0x28, 0x20 }, - { 0x29, DFL_AUTO_EXP?0x00:0x80 }, - { 0x2a, 0x10 }, - { 0x2b, 0x00 }, - { 0x2c, 0x88 }, - { 0x2d, 0x91 }, - { 0x2e, 0x80 }, - { 0x2f, 0x44 }, - { 0x60, 0x27 }, - { 0x61, 0x02 }, - { 0x62, 0x5f }, - { 0x63, 0xd5 }, - { 0x64, 0x57 }, - { 0x65, 0x83 }, - { 0x66, 0x55 }, - { 0x67, 0x92 }, - { 0x68, 0xcf }, - { 0x69, 0x76 }, - { 0x6a, 0x22 }, - { 0x6b, 0x00 }, - { 0x6c, 0x02 }, - { 0x6d, 0x44 }, - { 0x6e, 0x80 }, - { 0x6f, 0x1d }, - { 0x70, 0x8b }, - { 0x71, 0x00 }, - { 0x72, 0x14 }, - { 0x73, 0x54 }, - { 0x74, 0x00 }, - { 0x75, 0x8e }, - { 0x76, 0x00 }, - { 0x77, 0xff }, - { 0x78, 0x80 }, - { 0x79, 0x80 }, - { 0x7a, 0x80 }, - { 0x7b, 0xe2 }, - { 0x7c, 0x00 }, - { 0xff, 0xff }, /* END MARKER */ -}; - -/* Returns index into the specified look-up table, with 'n' elements, for which - * the value is greater than or equal to "val". If a match isn't found, (n-1) - * is returned. The entries in the table must be in ascending order. */ -static inline int ov7x20_lut_find(unsigned char lut[], int n, unsigned char val) -{ - int i = 0; - - while (lut[i] < val && i < n) - i++; - - return i; -} - -/* This initializes the OV7x20 camera chip and relevant variables. */ -static int ov7x20_init(struct i2c_client *c) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - struct ov7x20 *s; - int rc; - - DDEBUG(4, &c->dev, "entered"); - - if (ov->mono) - rc = ov_write_regvals(c, regvals_init_7120); - else - rc = ov_write_regvals(c, regvals_init_7620); - - if (rc < 0) - return rc; - - ov->spriv = s = kzalloc(sizeof *s, GFP_KERNEL); - if (!s) - return -ENOMEM; - - s->auto_brt = 1; - s->auto_exp = DFL_AUTO_EXP; - s->auto_gain = DFL_AUTO_GAIN; - - return 0; -} - -static int ov7x20_free(struct i2c_client *c) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - - kfree(ov->spriv); - return 0; -} - -static int ov7x20_set_v4l1_control(struct i2c_client *c, - struct ovcamchip_control *ctl) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - struct ov7x20 *s = ov->spriv; - int rc; - int v = ctl->value; - - switch (ctl->id) { - case OVCAMCHIP_CID_CONT: - { - /* Use Y gamma control instead. Bit 0 enables it. */ - rc = ov_write(c, 0x64, ctab[v >> 12]); - break; - } - case OVCAMCHIP_CID_BRIGHT: - /* 7620 doesn't like manual changes when in auto mode */ - if (!s->auto_brt) - rc = ov_write(c, REG_BRT, v >> 8); - else - rc = 0; - break; - case OVCAMCHIP_CID_SAT: - rc = ov_write(c, REG_SAT, v >> 8); - break; - case OVCAMCHIP_CID_EXP: - if (!s->auto_exp) - rc = ov_write(c, REG_EXP, v); - else - rc = -EBUSY; - break; - case OVCAMCHIP_CID_FREQ: - { - int sixty = (v == 60); - - rc = ov_write_mask(c, 0x2a, sixty?0x00:0x80, 0x80); - if (rc < 0) - goto out; - - rc = ov_write(c, 0x2b, sixty?0x00:0xac); - if (rc < 0) - goto out; - - rc = ov_write_mask(c, 0x76, 0x01, 0x01); - break; - } - case OVCAMCHIP_CID_BANDFILT: - rc = ov_write_mask(c, 0x2d, v?0x04:0x00, 0x04); - s->bandfilt = v; - break; - case OVCAMCHIP_CID_AUTOBRIGHT: - rc = ov_write_mask(c, 0x2d, v?0x10:0x00, 0x10); - s->auto_brt = v; - break; - case OVCAMCHIP_CID_AUTOEXP: - rc = ov_write_mask(c, 0x13, v?0x01:0x00, 0x01); - s->auto_exp = v; - break; - case OVCAMCHIP_CID_BACKLIGHT: - { - rc = ov_write_mask(c, 0x68, v?0xe0:0xc0, 0xe0); - if (rc < 0) - goto out; - - rc = ov_write_mask(c, 0x29, v?0x08:0x00, 0x08); - if (rc < 0) - goto out; - - rc = ov_write_mask(c, 0x28, v?0x02:0x00, 0x02); - s->backlight = v; - break; - } - case OVCAMCHIP_CID_MIRROR: - rc = ov_write_mask(c, 0x12, v?0x40:0x00, 0x40); - s->mirror = v; - break; - default: - DDEBUG(2, &c->dev, "control not supported: %d", ctl->id); - return -EPERM; - } - -out: - DDEBUG(3, &c->dev, "id=%d, arg=%d, rc=%d", ctl->id, v, rc); - return rc; -} - -static int ov7x20_get_v4l1_control(struct i2c_client *c, - struct ovcamchip_control *ctl) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - struct ov7x20 *s = ov->spriv; - int rc = 0; - unsigned char val = 0; - - switch (ctl->id) { - case OVCAMCHIP_CID_CONT: - rc = ov_read(c, 0x64, &val); - ctl->value = ov7x20_lut_find(ctab, 16, val) << 12; - break; - case OVCAMCHIP_CID_BRIGHT: - rc = ov_read(c, REG_BRT, &val); - ctl->value = val << 8; - break; - case OVCAMCHIP_CID_SAT: - rc = ov_read(c, REG_SAT, &val); - ctl->value = val << 8; - break; - case OVCAMCHIP_CID_EXP: - rc = ov_read(c, REG_EXP, &val); - ctl->value = val; - break; - case OVCAMCHIP_CID_BANDFILT: - ctl->value = s->bandfilt; - break; - case OVCAMCHIP_CID_AUTOBRIGHT: - ctl->value = s->auto_brt; - break; - case OVCAMCHIP_CID_AUTOEXP: - ctl->value = s->auto_exp; - break; - case OVCAMCHIP_CID_BACKLIGHT: - ctl->value = s->backlight; - break; - case OVCAMCHIP_CID_MIRROR: - ctl->value = s->mirror; - break; - default: - DDEBUG(2, &c->dev, "control not supported: %d", ctl->id); - return -EPERM; - } - - DDEBUG(3, &c->dev, "id=%d, arg=%d, rc=%d", ctl->id, ctl->value, rc); - return rc; -} - -static int ov7x20_mode_init(struct i2c_client *c, struct ovcamchip_window *win) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - int qvga = win->quarter; - - /******** QVGA-specific regs ********/ - ov_write_mask(c, 0x14, qvga?0x20:0x00, 0x20); - ov_write_mask(c, 0x28, qvga?0x00:0x20, 0x20); - ov_write(c, 0x24, qvga?0x20:0x3a); - ov_write(c, 0x25, qvga?0x30:0x60); - ov_write_mask(c, 0x2d, qvga?0x40:0x00, 0x40); - if (!ov->mono) - ov_write_mask(c, 0x67, qvga?0xf0:0x90, 0xf0); - ov_write_mask(c, 0x74, qvga?0x20:0x00, 0x20); - - /******** Clock programming ********/ - - ov_write(c, 0x11, win->clockdiv); - - return 0; -} - -static int ov7x20_set_window(struct i2c_client *c, struct ovcamchip_window *win) -{ - int ret, hwscale, vwscale; - - ret = ov7x20_mode_init(c, win); - if (ret < 0) - return ret; - - if (win->quarter) { - hwscale = 1; - vwscale = 0; - } else { - hwscale = 2; - vwscale = 1; - } - - ov_write(c, 0x17, HWSBASE + (win->x >> hwscale)); - ov_write(c, 0x18, HWEBASE + ((win->x + win->width) >> hwscale)); - ov_write(c, 0x19, VWSBASE + (win->y >> vwscale)); - ov_write(c, 0x1a, VWEBASE + ((win->y + win->height) >> vwscale)); - - return 0; -} - -static int ov7x20_command(struct i2c_client *c, unsigned int cmd, void *arg) -{ - switch (cmd) { - case OVCAMCHIP_CMD_S_CTRL: - return ov7x20_set_v4l1_control(c, arg); - case OVCAMCHIP_CMD_G_CTRL: - return ov7x20_get_v4l1_control(c, arg); - case OVCAMCHIP_CMD_S_MODE: - return ov7x20_set_window(c, arg); - default: - DDEBUG(2, &c->dev, "command not supported: %d", cmd); - return -ENOIOCTLCMD; - } -} - -struct ovcamchip_ops ov7x20_ops = { - .init = ov7x20_init, - .free = ov7x20_free, - .command = ov7x20_command, -}; diff --git a/drivers/media/video/ovcamchip/ovcamchip_core.c b/drivers/media/video/ovcamchip/ovcamchip_core.c deleted file mode 100644 index d573d8428998..000000000000 --- a/drivers/media/video/ovcamchip/ovcamchip_core.c +++ /dev/null @@ -1,395 +0,0 @@ -/* Shared Code for OmniVision Camera Chip Drivers - * - * Copyright (c) 2004 Mark McClelland <mark@alpha.dyndns.org> - * http://alpha.dyndns.org/ov511/ - * - * 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. NO WARRANTY OF ANY KIND is expressed or implied. - */ - -#define DEBUG - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/i2c.h> -#include <media/v4l2-device.h> -#include <media/v4l2-i2c-drv.h> -#include "ovcamchip_priv.h" - -#define DRIVER_VERSION "v2.27 for Linux 2.6" -#define DRIVER_AUTHOR "Mark McClelland <mark@alpha.dyndns.org>" -#define DRIVER_DESC "OV camera chip I2C driver" - -#define PINFO(fmt, args...) printk(KERN_INFO "ovcamchip: " fmt "\n" , ## args); -#define PERROR(fmt, args...) printk(KERN_ERR "ovcamchip: " fmt "\n" , ## args); - -#ifdef DEBUG -int ovcamchip_debug = 0; -static int debug; -module_param(debug, int, 0); -MODULE_PARM_DESC(debug, - "Debug level: 0=none, 1=inits, 2=warning, 3=config, 4=functions, 5=all"); -#endif - -/* By default, let bridge driver tell us if chip is monochrome. mono=0 - * will ignore that and always treat chips as color. mono=1 will force - * monochrome mode for all chips. */ -static int mono = -1; -module_param(mono, int, 0); -MODULE_PARM_DESC(mono, - "1=chips are monochrome (OVx1xx), 0=force color, -1=autodetect (default)"); - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); - - -/* Registers common to all chips, that are needed for detection */ -#define GENERIC_REG_ID_HIGH 0x1C /* manufacturer ID MSB */ -#define GENERIC_REG_ID_LOW 0x1D /* manufacturer ID LSB */ -#define GENERIC_REG_COM_I 0x29 /* misc ID bits */ - -static char *chip_names[NUM_CC_TYPES] = { - [CC_UNKNOWN] = "Unknown chip", - [CC_OV76BE] = "OV76BE", - [CC_OV7610] = "OV7610", - [CC_OV7620] = "OV7620", - [CC_OV7620AE] = "OV7620AE", - [CC_OV6620] = "OV6620", - [CC_OV6630] = "OV6630", - [CC_OV6630AE] = "OV6630AE", - [CC_OV6630AF] = "OV6630AF", -}; - -/* ----------------------------------------------------------------------- */ - -int ov_write_regvals(struct i2c_client *c, struct ovcamchip_regvals *rvals) -{ - int rc; - - while (rvals->reg != 0xff) { - rc = ov_write(c, rvals->reg, rvals->val); - if (rc < 0) - return rc; - rvals++; - } - - return 0; -} - -/* Writes bits at positions specified by mask to an I2C reg. Bits that are in - * the same position as 1's in "mask" are cleared and set to "value". Bits - * that are in the same position as 0's in "mask" are preserved, regardless - * of their respective state in "value". - */ -int ov_write_mask(struct i2c_client *c, - unsigned char reg, - unsigned char value, - unsigned char mask) -{ - int rc; - unsigned char oldval, newval; - - if (mask == 0xff) { - newval = value; - } else { - rc = ov_read(c, reg, &oldval); - if (rc < 0) - return rc; - - oldval &= (~mask); /* Clear the masked bits */ - value &= mask; /* Enforce mask on value */ - newval = oldval | value; /* Set the desired bits */ - } - - return ov_write(c, reg, newval); -} - -/* ----------------------------------------------------------------------- */ - -/* Reset the chip and ensure that I2C is synchronized. Returns <0 if failure. - */ -static int init_camchip(struct i2c_client *c) -{ - int i, success; - unsigned char high, low; - - /* Reset the chip */ - ov_write(c, 0x12, 0x80); - - /* Wait for it to initialize */ - msleep(150); - - for (i = 0, success = 0; i < I2C_DETECT_RETRIES && !success; i++) { - if (ov_read(c, GENERIC_REG_ID_HIGH, &high) >= 0) { - if (ov_read(c, GENERIC_REG_ID_LOW, &low) >= 0) { - if (high == 0x7F && low == 0xA2) { - success = 1; - continue; - } - } - } - - /* Reset the chip */ - ov_write(c, 0x12, 0x80); - - /* Wait for it to initialize */ - msleep(150); - - /* Dummy read to sync I2C */ - ov_read(c, 0x00, &low); - } - - if (!success) - return -EIO; - - PDEBUG(1, "I2C synced in %d attempt(s)", i); - - return 0; -} - -/* This detects the OV7610, OV7620, or OV76BE chip. */ -static int ov7xx0_detect(struct i2c_client *c) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - int rc; - unsigned char val; - - PDEBUG(4, ""); - - /* Detect chip (sub)type */ - rc = ov_read(c, GENERIC_REG_COM_I, &val); - if (rc < 0) { - PERROR("Error detecting ov7xx0 type"); - return rc; - } - - if ((val & 3) == 3) { - PINFO("Camera chip is an OV7610"); - ov->subtype = CC_OV7610; - } else if ((val & 3) == 1) { - rc = ov_read(c, 0x15, &val); - if (rc < 0) { - PERROR("Error detecting ov7xx0 type"); - return rc; - } - - if (val & 1) { - PINFO("Camera chip is an OV7620AE"); - /* OV7620 is a close enough match for now. There are - * some definite differences though, so this should be - * fixed */ - ov->subtype = CC_OV7620; - } else { - PINFO("Camera chip is an OV76BE"); - ov->subtype = CC_OV76BE; - } - } else if ((val & 3) == 0) { - PINFO("Camera chip is an OV7620"); - ov->subtype = CC_OV7620; - } else { - PERROR("Unknown camera chip version: %d", val & 3); - return -ENOSYS; - } - - if (ov->subtype == CC_OV76BE) - ov->sops = &ov76be_ops; - else if (ov->subtype == CC_OV7620) - ov->sops = &ov7x20_ops; - else - ov->sops = &ov7x10_ops; - - return 0; -} - -/* This detects the OV6620, OV6630, OV6630AE, or OV6630AF chip. */ -static int ov6xx0_detect(struct i2c_client *c) -{ - struct ovcamchip *ov = i2c_get_clientdata(c); - int rc; - unsigned char val; - - PDEBUG(4, ""); - - /* Detect chip (sub)type */ - rc = ov_read(c, GENERIC_REG_COM_I, &val); - if (rc < 0) { - PERROR("Error detecting ov6xx0 type"); - return -1; - } - - if ((val & 3) == 0) { - ov->subtype = CC_OV6630; - PINFO("Camera chip is an OV6630"); - } else if ((val & 3) == 1) { - ov->subtype = CC_OV6620; - PINFO("Camera chip is an OV6620"); - } else if ((val & 3) == 2) { - ov->subtype = CC_OV6630; - PINFO("Camera chip is an OV6630AE"); - } else if ((val & 3) == 3) { - ov->subtype = CC_OV6630; - PINFO("Camera chip is an OV6630AF"); - } - - if (ov->subtype == CC_OV6620) - ov->sops = &ov6x20_ops; - else - ov->sops = &ov6x30_ops; - - return 0; -} - -static int ovcamchip_detect(struct i2c_client *c) -{ - /* Ideally we would just try a single register write and see if it NAKs. - * That isn't possible since the OV518 can't report I2C transaction - * failures. So, we have to try to initialize the chip (i.e. reset it - * and check the ID registers) to detect its presence. */ - - /* Test for 7xx0 */ - PDEBUG(3, "Testing for 0V7xx0"); - if (init_camchip(c) < 0) - return -ENODEV; - /* 7-bit addresses with bit 0 set are for the OV7xx0 */ - if (c->addr & 1) { - if (ov7xx0_detect(c) < 0) { - PERROR("Failed to init OV7xx0"); - return -EIO; - } - return 0; - } - /* Test for 6xx0 */ - PDEBUG(3, "Testing for 0V6xx0"); - if (ov6xx0_detect(c) < 0) { - PERROR("Failed to init OV6xx0"); - return -EIO; - } - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static long ovcamchip_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) -{ - struct ovcamchip *ov = to_ovcamchip(sd); - struct i2c_client *c = v4l2_get_subdevdata(sd); - - if (!ov->initialized && - cmd != OVCAMCHIP_CMD_Q_SUBTYPE && - cmd != OVCAMCHIP_CMD_INITIALIZE) { - v4l2_err(sd, "Camera chip not initialized yet!\n"); - return -EPERM; - } - - switch (cmd) { - case OVCAMCHIP_CMD_Q_SUBTYPE: - { - *(int *)arg = ov->subtype; - return 0; - } - case OVCAMCHIP_CMD_INITIALIZE: - { - int rc; - - if (mono == -1) - ov->mono = *(int *)arg; - else - ov->mono = mono; - - if (ov->mono) { - if (ov->subtype != CC_OV7620) - v4l2_warn(sd, "Monochrome not " - "implemented for this chip\n"); - else - v4l2_info(sd, "Initializing chip as " - "monochrome\n"); - } - - rc = ov->sops->init(c); - if (rc < 0) - return rc; - - ov->initialized = 1; - return 0; - } - default: - return ov->sops->command(c, cmd, arg); - } -} - -/* ----------------------------------------------------------------------- */ - -static const struct v4l2_subdev_core_ops ovcamchip_core_ops = { - .ioctl = ovcamchip_ioctl, -}; - -static const struct v4l2_subdev_ops ovcamchip_ops = { - .core = &ovcamchip_core_ops, -}; - -static int ovcamchip_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct ovcamchip *ov; - struct v4l2_subdev *sd; - int rc = 0; - - ov = kzalloc(sizeof *ov, GFP_KERNEL); - if (!ov) { - rc = -ENOMEM; - goto no_ov; - } - sd = &ov->sd; - v4l2_i2c_subdev_init(sd, client, &ovcamchip_ops); - - rc = ovcamchip_detect(client); - if (rc < 0) - goto error; - - v4l_info(client, "%s found @ 0x%02x (%s)\n", - chip_names[ov->subtype], client->addr << 1, client->adapter->name); - - PDEBUG(1, "Camera chip detection complete"); - - return rc; -error: - kfree(ov); -no_ov: - PDEBUG(1, "returning %d", rc); - return rc; -} - -static int ovcamchip_remove(struct i2c_client *client) -{ - struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct ovcamchip *ov = to_ovcamchip(sd); - int rc; - - v4l2_device_unregister_subdev(sd); - rc = ov->sops->free(client); - if (rc < 0) - return rc; - - kfree(ov); - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static const struct i2c_device_id ovcamchip_id[] = { - { "ovcamchip", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, ovcamchip_id); - -static struct v4l2_i2c_driver_data v4l2_i2c_data = { - .name = "ovcamchip", - .probe = ovcamchip_probe, - .remove = ovcamchip_remove, - .id_table = ovcamchip_id, -}; diff --git a/drivers/media/video/ovcamchip/ovcamchip_priv.h b/drivers/media/video/ovcamchip/ovcamchip_priv.h deleted file mode 100644 index 4f07b78c88bc..000000000000 --- a/drivers/media/video/ovcamchip/ovcamchip_priv.h +++ /dev/null @@ -1,101 +0,0 @@ -/* OmniVision* camera chip driver private definitions for core code and - * chip-specific code - * - * Copyright (c) 1999-2004 Mark McClelland - * - * 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. NO WARRANTY OF ANY KIND is expressed or implied. - * - * * OmniVision is a trademark of OmniVision Technologies, Inc. This driver - * is not sponsored or developed by them. - */ - -#ifndef __LINUX_OVCAMCHIP_PRIV_H -#define __LINUX_OVCAMCHIP_PRIV_H - -#include <linux/i2c.h> -#include <media/v4l2-subdev.h> -#include <media/ovcamchip.h> - -#ifdef DEBUG -extern int ovcamchip_debug; -#endif - -#define PDEBUG(level, fmt, args...) \ - if (ovcamchip_debug >= (level)) pr_debug("[%s:%d] " fmt "\n", \ - __func__, __LINE__ , ## args) - -#define DDEBUG(level, dev, fmt, args...) \ - if (ovcamchip_debug >= (level)) dev_dbg(dev, "[%s:%d] " fmt "\n", \ - __func__, __LINE__ , ## args) - -/* Number of times to retry chip detection. Increase this if you are getting - * "Failed to init camera chip" */ -#define I2C_DETECT_RETRIES 10 - -struct ovcamchip_regvals { - unsigned char reg; - unsigned char val; -}; - -struct ovcamchip_ops { - int (*init)(struct i2c_client *); - int (*free)(struct i2c_client *); - int (*command)(struct i2c_client *, unsigned int, void *); -}; - -struct ovcamchip { - struct v4l2_subdev sd; - struct ovcamchip_ops *sops; - void *spriv; /* Private data for OV7x10.c etc... */ - int subtype; /* = SEN_OV7610 etc... */ - int mono; /* Monochrome chip? (invalid until init) */ - int initialized; /* OVCAMCHIP_CMD_INITIALIZE was successful */ -}; - -static inline struct ovcamchip *to_ovcamchip(struct v4l2_subdev *sd) -{ - return container_of(sd, struct ovcamchip, sd); -} - -extern struct ovcamchip_ops ov6x20_ops; -extern struct ovcamchip_ops ov6x30_ops; -extern struct ovcamchip_ops ov7x10_ops; -extern struct ovcamchip_ops ov7x20_ops; -extern struct ovcamchip_ops ov76be_ops; - -/* --------------------------------- */ -/* I2C I/O */ -/* --------------------------------- */ - -static inline int ov_read(struct i2c_client *c, unsigned char reg, - unsigned char *value) -{ - int rc; - - rc = i2c_smbus_read_byte_data(c, reg); - *value = (unsigned char) rc; - return rc; -} - -static inline int ov_write(struct i2c_client *c, unsigned char reg, - unsigned char value ) -{ - return i2c_smbus_write_byte_data(c, reg, value); -} - -/* --------------------------------- */ -/* FUNCTION PROTOTYPES */ -/* --------------------------------- */ - -/* Functions in ovcamchip_core.c */ - -extern int ov_write_regvals(struct i2c_client *c, - struct ovcamchip_regvals *rvals); - -extern int ov_write_mask(struct i2c_client *c, unsigned char reg, - unsigned char value, unsigned char mask); - -#endif |