diff options
Diffstat (limited to 'drivers/media/video/ks0127.c')
| -rw-r--r-- | drivers/media/video/ks0127.c | 724 |
1 files changed, 0 insertions, 724 deletions
diff --git a/drivers/media/video/ks0127.c b/drivers/media/video/ks0127.c deleted file mode 100644 index ee7ca2dcca2f..000000000000 --- a/drivers/media/video/ks0127.c +++ /dev/null @@ -1,724 +0,0 @@ -/* - * Video Capture Driver (Video for Linux 1/2) - * for the Matrox Marvel G200,G400 and Rainbow Runner-G series - * - * This module is an interface to the KS0127 video decoder chip. - * - * Copyright (C) 1999 Ryan Drake <stiletto@mediaone.net> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - ***************************************************************************** - * - * Modified and extended by - * Mike Bernson <mike@mlb.org> - * Gerard v.d. Horst - * Leon van Stuivenberg <l.vanstuivenberg@chello.nl> - * Gernot Ziegler <gz@lysator.liu.se> - * - * Version History: - * V1.0 Ryan Drake Initial version by Ryan Drake - * V1.1 Gerard v.d. Horst Added some debugoutput, reset the video-standard - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/i2c.h> -#include <linux/videodev2.h> -#include <linux/slab.h> -#include <media/v4l2-device.h> -#include <media/v4l2-chip-ident.h> -#include "ks0127.h" - -MODULE_DESCRIPTION("KS0127 video decoder driver"); -MODULE_AUTHOR("Ryan Drake"); -MODULE_LICENSE("GPL"); - -/* Addresses */ -#define I2C_KS0127_ADDON 0xD8 -#define I2C_KS0127_ONBOARD 0xDA - - -/* ks0127 control registers */ -#define KS_STAT 0x00 -#define KS_CMDA 0x01 -#define KS_CMDB 0x02 -#define KS_CMDC 0x03 -#define KS_CMDD 0x04 -#define KS_HAVB 0x05 -#define KS_HAVE 0x06 -#define KS_HS1B 0x07 -#define KS_HS1E 0x08 -#define KS_HS2B 0x09 -#define KS_HS2E 0x0a -#define KS_AGC 0x0b -#define KS_HXTRA 0x0c -#define KS_CDEM 0x0d -#define KS_PORTAB 0x0e -#define KS_LUMA 0x0f -#define KS_CON 0x10 -#define KS_BRT 0x11 -#define KS_CHROMA 0x12 -#define KS_CHROMB 0x13 -#define KS_DEMOD 0x14 -#define KS_SAT 0x15 -#define KS_HUE 0x16 -#define KS_VERTIA 0x17 -#define KS_VERTIB 0x18 -#define KS_VERTIC 0x19 -#define KS_HSCLL 0x1a -#define KS_HSCLH 0x1b -#define KS_VSCLL 0x1c -#define KS_VSCLH 0x1d -#define KS_OFMTA 0x1e -#define KS_OFMTB 0x1f -#define KS_VBICTL 0x20 -#define KS_CCDAT2 0x21 -#define KS_CCDAT1 0x22 -#define KS_VBIL30 0x23 -#define KS_VBIL74 0x24 -#define KS_VBIL118 0x25 -#define KS_VBIL1512 0x26 -#define KS_TTFRAM 0x27 -#define KS_TESTA 0x28 -#define KS_UVOFFH 0x29 -#define KS_UVOFFL 0x2a -#define KS_UGAIN 0x2b -#define KS_VGAIN 0x2c -#define KS_VAVB 0x2d -#define KS_VAVE 0x2e -#define KS_CTRACK 0x2f -#define KS_POLCTL 0x30 -#define KS_REFCOD 0x31 -#define KS_INVALY 0x32 -#define KS_INVALU 0x33 -#define KS_INVALV 0x34 -#define KS_UNUSEY 0x35 -#define KS_UNUSEU 0x36 -#define KS_UNUSEV 0x37 -#define KS_USRSAV 0x38 -#define KS_USREAV 0x39 -#define KS_SHS1A 0x3a -#define KS_SHS1B 0x3b -#define KS_SHS1C 0x3c -#define KS_CMDE 0x3d -#define KS_VSDEL 0x3e -#define KS_CMDF 0x3f -#define KS_GAMMA0 0x40 -#define KS_GAMMA1 0x41 -#define KS_GAMMA2 0x42 -#define KS_GAMMA3 0x43 -#define KS_GAMMA4 0x44 -#define KS_GAMMA5 0x45 -#define KS_GAMMA6 0x46 -#define KS_GAMMA7 0x47 -#define KS_GAMMA8 0x48 -#define KS_GAMMA9 0x49 -#define KS_GAMMA10 0x4a -#define KS_GAMMA11 0x4b -#define KS_GAMMA12 0x4c -#define KS_GAMMA13 0x4d -#define KS_GAMMA14 0x4e -#define KS_GAMMA15 0x4f -#define KS_GAMMA16 0x50 -#define KS_GAMMA17 0x51 -#define KS_GAMMA18 0x52 -#define KS_GAMMA19 0x53 -#define KS_GAMMA20 0x54 -#define KS_GAMMA21 0x55 -#define KS_GAMMA22 0x56 -#define KS_GAMMA23 0x57 -#define KS_GAMMA24 0x58 -#define KS_GAMMA25 0x59 -#define KS_GAMMA26 0x5a -#define KS_GAMMA27 0x5b -#define KS_GAMMA28 0x5c -#define KS_GAMMA29 0x5d -#define KS_GAMMA30 0x5e -#define KS_GAMMA31 0x5f -#define KS_GAMMAD0 0x60 -#define KS_GAMMAD1 0x61 -#define KS_GAMMAD2 0x62 -#define KS_GAMMAD3 0x63 -#define KS_GAMMAD4 0x64 -#define KS_GAMMAD5 0x65 -#define KS_GAMMAD6 0x66 -#define KS_GAMMAD7 0x67 -#define KS_GAMMAD8 0x68 -#define KS_GAMMAD9 0x69 -#define KS_GAMMAD10 0x6a -#define KS_GAMMAD11 0x6b -#define KS_GAMMAD12 0x6c -#define KS_GAMMAD13 0x6d -#define KS_GAMMAD14 0x6e -#define KS_GAMMAD15 0x6f -#define KS_GAMMAD16 0x70 -#define KS_GAMMAD17 0x71 -#define KS_GAMMAD18 0x72 -#define KS_GAMMAD19 0x73 -#define KS_GAMMAD20 0x74 -#define KS_GAMMAD21 0x75 -#define KS_GAMMAD22 0x76 -#define KS_GAMMAD23 0x77 -#define KS_GAMMAD24 0x78 -#define KS_GAMMAD25 0x79 -#define KS_GAMMAD26 0x7a -#define KS_GAMMAD27 0x7b -#define KS_GAMMAD28 0x7c -#define KS_GAMMAD29 0x7d -#define KS_GAMMAD30 0x7e -#define KS_GAMMAD31 0x7f - - -/**************************************************************************** -* mga_dev : represents one ks0127 chip. -****************************************************************************/ - -struct adjust { - int contrast; - int bright; - int hue; - int ugain; - int vgain; -}; - -struct ks0127 { - struct v4l2_subdev sd; - v4l2_std_id norm; - int ident; - u8 regs[256]; -}; - -static inline struct ks0127 *to_ks0127(struct v4l2_subdev *sd) -{ - return container_of(sd, struct ks0127, sd); -} - - -static int debug; /* insmod parameter */ - -module_param(debug, int, 0); -MODULE_PARM_DESC(debug, "Debug output"); - -static u8 reg_defaults[64]; - -static void init_reg_defaults(void) -{ - static int initialized; - u8 *table = reg_defaults; - - if (initialized) - return; - initialized = 1; - - table[KS_CMDA] = 0x2c; /* VSE=0, CCIR 601, autodetect standard */ - table[KS_CMDB] = 0x12; /* VALIGN=0, AGC control and input */ - table[KS_CMDC] = 0x00; /* Test options */ - /* clock & input select, write 1 to PORTA */ - table[KS_CMDD] = 0x01; - table[KS_HAVB] = 0x00; /* HAV Start Control */ - table[KS_HAVE] = 0x00; /* HAV End Control */ - table[KS_HS1B] = 0x10; /* HS1 Start Control */ - table[KS_HS1E] = 0x00; /* HS1 End Control */ - table[KS_HS2B] = 0x00; /* HS2 Start Control */ - table[KS_HS2E] = 0x00; /* HS2 End Control */ - table[KS_AGC] = 0x53; /* Manual setting for AGC */ - table[KS_HXTRA] = 0x00; /* Extra Bits for HAV and HS1/2 */ - table[KS_CDEM] = 0x00; /* Chroma Demodulation Control */ - table[KS_PORTAB] = 0x0f; /* port B is input, port A output GPPORT */ - table[KS_LUMA] = 0x01; /* Luma control */ - table[KS_CON] = 0x00; /* Contrast Control */ - table[KS_BRT] = 0x00; /* Brightness Control */ - table[KS_CHROMA] = 0x2a; /* Chroma control A */ - table[KS_CHROMB] = 0x90; /* Chroma control B */ - table[KS_DEMOD] = 0x00; /* Chroma Demodulation Control & Status */ - table[KS_SAT] = 0x00; /* Color Saturation Control*/ - table[KS_HUE] = 0x00; /* Hue Control */ - table[KS_VERTIA] = 0x00; /* Vertical Processing Control A */ - /* Vertical Processing Control B, luma 1 line delayed */ - table[KS_VERTIB] = 0x12; - table[KS_VERTIC] = 0x0b; /* Vertical Processing Control C */ - table[KS_HSCLL] = 0x00; /* Horizontal Scaling Ratio Low */ - table[KS_HSCLH] = 0x00; /* Horizontal Scaling Ratio High */ - table[KS_VSCLL] = 0x00; /* Vertical Scaling Ratio Low */ - table[KS_VSCLH] = 0x00; /* Vertical Scaling Ratio High */ - /* 16 bit YCbCr 4:2:2 output; I can't make the bt866 like 8 bit /Sam */ - table[KS_OFMTA] = 0x30; - table[KS_OFMTB] = 0x00; /* Output Control B */ - /* VBI Decoder Control; 4bit fmt: avoid Y overflow */ - table[KS_VBICTL] = 0x5d; - table[KS_CCDAT2] = 0x00; /* Read Only register */ - table[KS_CCDAT1] = 0x00; /* Read Only register */ - table[KS_VBIL30] = 0xa8; /* VBI data decoding options */ - table[KS_VBIL74] = 0xaa; /* VBI data decoding options */ - table[KS_VBIL118] = 0x2a; /* VBI data decoding options */ - table[KS_VBIL1512] = 0x00; /* VBI data decoding options */ - table[KS_TTFRAM] = 0x00; /* Teletext frame alignment pattern */ - table[KS_TESTA] = 0x00; /* test register, shouldn't be written */ - table[KS_UVOFFH] = 0x00; /* UV Offset Adjustment High */ - table[KS_UVOFFL] = 0x00; /* UV Offset Adjustment Low */ - table[KS_UGAIN] = 0x00; /* U Component Gain Adjustment */ - table[KS_VGAIN] = 0x00; /* V Component Gain Adjustment */ - table[KS_VAVB] = 0x07; /* VAV Begin */ - table[KS_VAVE] = 0x00; /* VAV End */ - table[KS_CTRACK] = 0x00; /* Chroma Tracking Control */ - table[KS_POLCTL] = 0x41; /* Timing Signal Polarity Control */ - table[KS_REFCOD] = 0x80; /* Reference Code Insertion Control */ - table[KS_INVALY] = 0x10; /* Invalid Y Code */ - table[KS_INVALU] = 0x80; /* Invalid U Code */ - table[KS_INVALV] = 0x80; /* Invalid V Code */ - table[KS_UNUSEY] = 0x10; /* Unused Y Code */ - table[KS_UNUSEU] = 0x80; /* Unused U Code */ - table[KS_UNUSEV] = 0x80; /* Unused V Code */ - table[KS_USRSAV] = 0x00; /* reserved */ - table[KS_USREAV] = 0x00; /* reserved */ - table[KS_SHS1A] = 0x00; /* User Defined SHS1 A */ - /* User Defined SHS1 B, ALT656=1 on 0127B */ - table[KS_SHS1B] = 0x80; - table[KS_SHS1C] = 0x00; /* User Defined SHS1 C */ - table[KS_CMDE] = 0x00; /* Command Register E */ - table[KS_VSDEL] = 0x00; /* VS Delay Control */ - /* Command Register F, update -immediately- */ - /* (there might come no vsync)*/ - table[KS_CMDF] = 0x02; -} - - -/* We need to manually read because of a bug in the KS0127 chip. - * - * An explanation from kayork@mail.utexas.edu: - * - * During I2C reads, the KS0127 only samples for a stop condition - * during the place where the acknowledge bit should be. Any standard - * I2C implementation (correctly) throws in another clock transition - * at the 9th bit, and the KS0127 will not recognize the stop condition - * and will continue to clock out data. - * - * So we have to do the read ourself. Big deal. - * workaround in i2c-algo-bit - */ - - -static u8 ks0127_read(struct v4l2_subdev *sd, u8 reg) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - char val = 0; - struct i2c_msg msgs[] = { - { client->addr, 0, sizeof(reg), ® }, - { client->addr, I2C_M_RD | I2C_M_NO_RD_ACK, sizeof(val), &val } - }; - int ret; - - ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); - if (ret != ARRAY_SIZE(msgs)) - v4l2_dbg(1, debug, sd, "read error\n"); - - return val; -} - - -static void ks0127_write(struct v4l2_subdev *sd, u8 reg, u8 val) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct ks0127 *ks = to_ks0127(sd); - char msg[] = { reg, val }; - - if (i2c_master_send(client, msg, sizeof(msg)) != sizeof(msg)) - v4l2_dbg(1, debug, sd, "write error\n"); - - ks->regs[reg] = val; -} - - -/* generic bit-twiddling */ -static void ks0127_and_or(struct v4l2_subdev *sd, u8 reg, u8 and_v, u8 or_v) -{ - struct ks0127 *ks = to_ks0127(sd); - - u8 val = ks->regs[reg]; - val = (val & and_v) | or_v; - ks0127_write(sd, reg, val); -} - - - -/**************************************************************************** -* ks0127 private api -****************************************************************************/ -static void ks0127_init(struct v4l2_subdev *sd) -{ - struct ks0127 *ks = to_ks0127(sd); - u8 *table = reg_defaults; - int i; - - ks->ident = V4L2_IDENT_KS0127; - - v4l2_dbg(1, debug, sd, "reset\n"); - msleep(1); - - /* initialize all registers to known values */ - /* (except STAT, 0x21, 0x22, TEST and 0x38,0x39) */ - - for (i = 1; i < 33; i++) - ks0127_write(sd, i, table[i]); - - for (i = 35; i < 40; i++) - ks0127_write(sd, i, table[i]); - - for (i = 41; i < 56; i++) - ks0127_write(sd, i, table[i]); - - for (i = 58; i < 64; i++) - ks0127_write(sd, i, table[i]); - - - if ((ks0127_read(sd, KS_STAT) & 0x80) == 0) { - ks->ident = V4L2_IDENT_KS0122S; - v4l2_dbg(1, debug, sd, "ks0122s found\n"); - return; - } - - switch (ks0127_read(sd, KS_CMDE) & 0x0f) { - case 0: - v4l2_dbg(1, debug, sd, "ks0127 found\n"); - break; - - case 9: - ks->ident = V4L2_IDENT_KS0127B; - v4l2_dbg(1, debug, sd, "ks0127B Revision A found\n"); - break; - - default: - v4l2_dbg(1, debug, sd, "unknown revision\n"); - break; - } -} - -static int ks0127_s_routing(struct v4l2_subdev *sd, - u32 input, u32 output, u32 config) -{ - struct ks0127 *ks = to_ks0127(sd); - - switch (input) { - case KS_INPUT_COMPOSITE_1: - case KS_INPUT_COMPOSITE_2: - case KS_INPUT_COMPOSITE_3: - case KS_INPUT_COMPOSITE_4: - case KS_INPUT_COMPOSITE_5: - case KS_INPUT_COMPOSITE_6: - v4l2_dbg(1, debug, sd, - "s_routing %d: Composite\n", input); - /* autodetect 50/60 Hz */ - ks0127_and_or(sd, KS_CMDA, 0xfc, 0x00); - /* VSE=0 */ - ks0127_and_or(sd, KS_CMDA, ~0x40, 0x00); - /* set input line */ - ks0127_and_or(sd, KS_CMDB, 0xb0, input); - /* non-freerunning mode */ - ks0127_and_or(sd, KS_CMDC, 0x70, 0x0a); - /* analog input */ - ks0127_and_or(sd, KS_CMDD, 0x03, 0x00); - /* enable chroma demodulation */ - ks0127_and_or(sd, KS_CTRACK, 0xcf, 0x00); - /* chroma trap, HYBWR=1 */ - ks0127_and_or(sd, KS_LUMA, 0x00, - (reg_defaults[KS_LUMA])|0x0c); - /* scaler fullbw, luma comb off */ - ks0127_and_or(sd, KS_VERTIA, 0x08, 0x81); - /* manual chroma comb .25 .5 .25 */ - ks0127_and_or(sd, KS_VERTIC, 0x0f, 0x90); - - /* chroma path delay */ - ks0127_and_or(sd, KS_CHROMB, 0x0f, 0x90); - - ks0127_write(sd, KS_UGAIN, reg_defaults[KS_UGAIN]); - ks0127_write(sd, KS_VGAIN, reg_defaults[KS_VGAIN]); - ks0127_write(sd, KS_UVOFFH, reg_defaults[KS_UVOFFH]); - ks0127_write(sd, KS_UVOFFL, reg_defaults[KS_UVOFFL]); - break; - - case KS_INPUT_SVIDEO_1: - case KS_INPUT_SVIDEO_2: - case KS_INPUT_SVIDEO_3: - v4l2_dbg(1, debug, sd, - "s_routing %d: S-Video\n", input); - /* autodetect 50/60 Hz */ - ks0127_and_or(sd, KS_CMDA, 0xfc, 0x00); - /* VSE=0 */ - ks0127_and_or(sd, KS_CMDA, ~0x40, 0x00); - /* set input line */ - ks0127_and_or(sd, KS_CMDB, 0xb0, input); - /* non-freerunning mode */ - ks0127_and_or(sd, KS_CMDC, 0x70, 0x0a); - /* analog input */ - ks0127_and_or(sd, KS_CMDD, 0x03, 0x00); - /* enable chroma demodulation */ - ks0127_and_or(sd, KS_CTRACK, 0xcf, 0x00); - ks0127_and_or(sd, KS_LUMA, 0x00, - reg_defaults[KS_LUMA]); - /* disable luma comb */ - ks0127_and_or(sd, KS_VERTIA, 0x08, - (reg_defaults[KS_VERTIA]&0xf0)|0x01); - ks0127_and_or(sd, KS_VERTIC, 0x0f, - reg_defaults[KS_VERTIC]&0xf0); - - ks0127_and_or(sd, KS_CHROMB, 0x0f, - reg_defaults[KS_CHROMB]&0xf0); - - ks0127_write(sd, KS_UGAIN, reg_defaults[KS_UGAIN]); - ks0127_write(sd, KS_VGAIN, reg_defaults[KS_VGAIN]); - ks0127_write(sd, KS_UVOFFH, reg_defaults[KS_UVOFFH]); - ks0127_write(sd, KS_UVOFFL, reg_defaults[KS_UVOFFL]); - break; - - case KS_INPUT_YUV656: - v4l2_dbg(1, debug, sd, "s_routing 15: YUV656\n"); - if (ks->norm & V4L2_STD_525_60) - /* force 60 Hz */ - ks0127_and_or(sd, KS_CMDA, 0xfc, 0x03); - else - /* force 50 Hz */ - ks0127_and_or(sd, KS_CMDA, 0xfc, 0x02); - - ks0127_and_or(sd, KS_CMDA, 0xff, 0x40); /* VSE=1 */ - /* set input line and VALIGN */ - ks0127_and_or(sd, KS_CMDB, 0xb0, (input | 0x40)); - /* freerunning mode, */ - /* TSTGEN = 1 TSTGFR=11 TSTGPH=0 TSTGPK=0 VMEM=1*/ - ks0127_and_or(sd, KS_CMDC, 0x70, 0x87); - /* digital input, SYNDIR = 0 INPSL=01 CLKDIR=0 EAV=0 */ - ks0127_and_or(sd, KS_CMDD, 0x03, 0x08); - /* disable chroma demodulation */ - ks0127_and_or(sd, KS_CTRACK, 0xcf, 0x30); - /* HYPK =01 CTRAP = 0 HYBWR=0 PED=1 RGBH=1 UNIT=1 */ - ks0127_and_or(sd, KS_LUMA, 0x00, 0x71); - ks0127_and_or(sd, KS_VERTIC, 0x0f, - reg_defaults[KS_VERTIC]&0xf0); - - /* scaler fullbw, luma comb off */ - ks0127_and_or(sd, KS_VERTIA, 0x08, 0x81); - - ks0127_and_or(sd, KS_CHROMB, 0x0f, - reg_defaults[KS_CHROMB]&0xf0); - - ks0127_and_or(sd, KS_CON, 0x00, 0x00); - ks0127_and_or(sd, KS_BRT, 0x00, 32); /* spec: 34 */ - /* spec: 229 (e5) */ - ks0127_and_or(sd, KS_SAT, 0x00, 0xe8); - ks0127_and_or(sd, KS_HUE, 0x00, 0); - - ks0127_and_or(sd, KS_UGAIN, 0x00, 238); - ks0127_and_or(sd, KS_VGAIN, 0x00, 0x00); - - /*UOFF:0x30, VOFF:0x30, TSTCGN=1 */ - ks0127_and_or(sd, KS_UVOFFH, 0x00, 0x4f); - ks0127_and_or(sd, KS_UVOFFL, 0x00, 0x00); - break; - - default: - v4l2_dbg(1, debug, sd, - "s_routing: Unknown input %d\n", input); - break; - } - - /* hack: CDMLPF sometimes spontaneously switches on; */ - /* force back off */ - ks0127_write(sd, KS_DEMOD, reg_defaults[KS_DEMOD]); - return 0; -} - -static int ks0127_s_std(struct v4l2_subdev *sd, v4l2_std_id std) -{ - struct ks0127 *ks = to_ks0127(sd); - - /* Set to automatic SECAM/Fsc mode */ - ks0127_and_or(sd, KS_DEMOD, 0xf0, 0x00); - - ks->norm = std; - if (std & V4L2_STD_NTSC) { - v4l2_dbg(1, debug, sd, - "s_std: NTSC_M\n"); - ks0127_and_or(sd, KS_CHROMA, 0x9f, 0x20); - } else if (std & V4L2_STD_PAL_N) { - v4l2_dbg(1, debug, sd, - "s_std: NTSC_N (fixme)\n"); - ks0127_and_or(sd, KS_CHROMA, 0x9f, 0x40); - } else if (std & V4L2_STD_PAL) { - v4l2_dbg(1, debug, sd, - "s_std: PAL_N\n"); - ks0127_and_or(sd, KS_CHROMA, 0x9f, 0x20); - } else if (std & V4L2_STD_PAL_M) { - v4l2_dbg(1, debug, sd, - "s_std: PAL_M (fixme)\n"); - ks0127_and_or(sd, KS_CHROMA, 0x9f, 0x40); - } else if (std & V4L2_STD_SECAM) { - v4l2_dbg(1, debug, sd, - "s_std: SECAM\n"); - - /* set to secam autodetection */ - ks0127_and_or(sd, KS_CHROMA, 0xdf, 0x20); - ks0127_and_or(sd, KS_DEMOD, 0xf0, 0x00); - schedule_timeout_interruptible(HZ/10+1); - - /* did it autodetect? */ - if (!(ks0127_read(sd, KS_DEMOD) & 0x40)) - /* force to secam mode */ - ks0127_and_or(sd, KS_DEMOD, 0xf0, 0x0f); - } else { - v4l2_dbg(1, debug, sd, "s_std: Unknown norm %llx\n", - (unsigned long long)std); - } - return 0; -} - -static int ks0127_s_stream(struct v4l2_subdev *sd, int enable) -{ - v4l2_dbg(1, debug, sd, "s_stream(%d)\n", enable); - if (enable) { - /* All output pins on */ - ks0127_and_or(sd, KS_OFMTA, 0xcf, 0x30); - /* Obey the OEN pin */ - ks0127_and_or(sd, KS_CDEM, 0x7f, 0x00); - } else { - /* Video output pins off */ - ks0127_and_or(sd, KS_OFMTA, 0xcf, 0x00); - /* Ignore the OEN pin */ - ks0127_and_or(sd, KS_CDEM, 0x7f, 0x80); - } - return 0; -} - -static int ks0127_status(struct v4l2_subdev *sd, u32 *pstatus, v4l2_std_id *pstd) -{ - int stat = V4L2_IN_ST_NO_SIGNAL; - u8 status; - v4l2_std_id std = V4L2_STD_ALL; - - status = ks0127_read(sd, KS_STAT); - if (!(status & 0x20)) /* NOVID not set */ - stat = 0; - if (!(status & 0x01)) /* CLOCK set */ - stat |= V4L2_IN_ST_NO_COLOR; - if ((status & 0x08)) /* PALDET set */ - std = V4L2_STD_PAL; - else - std = V4L2_STD_NTSC; - if (pstd) - *pstd = std; - if (pstatus) - *pstatus = stat; - return 0; -} - -static int ks0127_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) -{ - v4l2_dbg(1, debug, sd, "querystd\n"); - return ks0127_status(sd, NULL, std); -} - -static int ks0127_g_input_status(struct v4l2_subdev *sd, u32 *status) -{ - v4l2_dbg(1, debug, sd, "g_input_status\n"); - return ks0127_status(sd, status, NULL); -} - -static int ks0127_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct ks0127 *ks = to_ks0127(sd); - - return v4l2_chip_ident_i2c_client(client, chip, ks->ident, 0); -} - -/* ----------------------------------------------------------------------- */ - -static const struct v4l2_subdev_core_ops ks0127_core_ops = { - .g_chip_ident = ks0127_g_chip_ident, - .s_std = ks0127_s_std, -}; - -static const struct v4l2_subdev_video_ops ks0127_video_ops = { - .s_routing = ks0127_s_routing, - .s_stream = ks0127_s_stream, - .querystd = ks0127_querystd, - .g_input_status = ks0127_g_input_status, -}; - -static const struct v4l2_subdev_ops ks0127_ops = { - .core = &ks0127_core_ops, - .video = &ks0127_video_ops, -}; - -/* ----------------------------------------------------------------------- */ - - -static int ks0127_probe(struct i2c_client *client, const struct i2c_device_id *id) -{ - struct ks0127 *ks; - struct v4l2_subdev *sd; - - v4l_info(client, "%s chip found @ 0x%x (%s)\n", - client->addr == (I2C_KS0127_ADDON >> 1) ? "addon" : "on-board", - client->addr << 1, client->adapter->name); - - ks = kzalloc(sizeof(*ks), GFP_KERNEL); - if (ks == NULL) - return -ENOMEM; - sd = &ks->sd; - v4l2_i2c_subdev_init(sd, client, &ks0127_ops); - - /* power up */ - init_reg_defaults(); - ks0127_write(sd, KS_CMDA, 0x2c); - mdelay(10); - - /* reset the device */ - ks0127_init(sd); - return 0; -} - -static int ks0127_remove(struct i2c_client *client) -{ - struct v4l2_subdev *sd = i2c_get_clientdata(client); - - v4l2_device_unregister_subdev(sd); - ks0127_write(sd, KS_OFMTA, 0x20); /* tristate */ - ks0127_write(sd, KS_CMDA, 0x2c | 0x80); /* power down */ - kfree(to_ks0127(sd)); - return 0; -} - -static const struct i2c_device_id ks0127_id[] = { - { "ks0127", 0 }, - { "ks0127b", 0 }, - { "ks0122s", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, ks0127_id); - -static struct i2c_driver ks0127_driver = { - .driver = { - .owner = THIS_MODULE, - .name = "ks0127", - }, - .probe = ks0127_probe, - .remove = ks0127_remove, - .id_table = ks0127_id, -}; - -module_i2c_driver(ks0127_driver); |
