/* * 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 * * 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 * Gerard v.d. Horst * Leon van Stuivenberg * Gernot Ziegler * * Version History: * V1.0 Ryan Drake Initial version by Ryan Drake * V1.1 Gerard v.d. Horst Added some debugoutput, reset the video-standard */ #ifndef __KERNEL__ #define __KERNEL__ #endif #include #include #include #include #include #include #include #include "ks0127.h" #include #include #include "compat.h" #define dprintk if (debug) printk /* i2c identification */ #define I2C_KS0127_ADDON 0xD8 #define I2C_KS0127_ONBOARD 0xDA #define KS_TYPE_UNKNOWN 0 #define KS_TYPE_0122S 1 #define KS_TYPE_0127 2 #define KS_TYPE_0127B 3 /* 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 i2c_client *client; unsigned char addr; int format_width; int format_height; int cap_width; int cap_height; int norm; int ks_type; u8 regs[256]; }; static int debug; /* insmod parameter */ module_param(debug, int, 0); MODULE_PARM_DESC(debug, "Debug output"); MODULE_LICENSE("GPL"); static u8 reg_defaults[64]; static void init_reg_defaults(void) { u8 *table = reg_defaults; 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 acknoledge 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 ks0127 *ks, u8 reg) { struct i2c_client *c = ks->client; char val = 0; struct i2c_msg msgs[] = { {c->addr, 0, sizeof(reg), ®}, {c->addr, I2C_M_RD | I2C_M_NO_RD_ACK, sizeof(val), &val}}; int ret; ret = i2c_transfer(c->adapter, msgs, ARRAY_SIZE(msgs)); if (ret != ARRAY_SIZE(msgs)) dprintk("ks0127_write error\n"); return val; } static void ks0127_write(struct ks0127 *ks, u8 reg, u8 val) { char msg[] = {reg, val}; if (i2c_master_send(ks->client, msg, sizeof(msg)) != sizeof(msg)) dprintk("ks0127_write error\n"); ks->regs[reg] = val; } /* generic bit-twiddling */ static void ks0127_and_or(struct ks0127 *ks, u8 reg, u8 and_v, u8 or_v) { u8 val = ks->regs[reg]; val = (val & and_v) | or_v; ks0127_write(ks, reg, val); } /**************************************************************************** * ks0127 private api ****************************************************************************/ static void ks0127_reset(struct ks0127* ks) { int i; u8 *table = reg_defaults; ks->ks_type = KS_TYPE_UNKNOWN; dprintk("ks0127: 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(ks, i, table[i]); for(i = 35; i < 40; i++) ks0127_write(ks, i, table[i]); for(i = 41; i < 56; i++) ks0127_write(ks, i, table[i]); for(i = 58; i < 64; i++) ks0127_write(ks, i, table[i]); if ((ks0127_read(ks, KS_STAT) & 0x80) == 0) { ks->ks_type = KS_TYPE_0122S; dprintk("ks0127: ks0122s Found\n"); return; } switch(ks0127_read(ks, KS_CMDE) & 0x0f) { case 0: ks->ks_type = KS_TYPE_0127; dprintk("ks0127: ks0127 found\n"); break; case 9: ks->ks_type = KS_TYPE_0127B; dprintk("ks0127: ks0127B Revision A found\n"); break; default: dprintk("ks0127: unknown revision\n"); break; } } static int ks0127_command(struct i2c_client *client, unsigned int cmd, void *arg) { struct ks0127 *ks = i2c_get_clientdata(client); int *iarg = (int*)arg; int status; if (!ks) return -ENODEV; switch (cmd) { case DECODER_INIT: dprintk("ks0127: command DECODER_INIT\n"); ks0127_reset(ks); break; case DECODER_SET_INPUT: switch(*iarg) { 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: dprintk("ks0127: command DECODER_SET_INPUT %d: " "Composite\n", *iarg); /* autodetect 50/60 Hz */ ks0127_and_or(ks, KS_CMDA, 0xfc, 0x00); /* VSE=0 */ ks0127_and_or(ks, KS_CMDA, ~0x40, 0x00); /* set input line */ ks0127_and_or(ks, KS_CMDB, 0xb0, *iarg); /* non-freerunning mode */ ks0127_and_or(ks, KS_CMDC, 0x70, 0x0a); /* analog input */ ks0127_and_or(ks, KS_CMDD, 0x03, 0x00); /* enable chroma demodulation */ ks0127_and_or(ks, KS_CTRACK, 0xcf, 0x00); /* chroma trap, HYBWR=1 */ ks0127_and_or(ks, KS_LUMA, 0x00, (reg_defaults[KS_LUMA])|0x0c); /* scaler fullbw, luma comb off */ ks0127_and_or(ks, KS_VERTIA, 0x08, 0x81); /* manual chroma comb .25 .5 .25 */ ks0127_and_or(ks, KS_VERTIC, 0x0f, 0x90); /* chroma path delay */ ks0127_and_or(ks, KS_CHROMB, 0x0f, 0x90); ks0127_write(ks, KS_UGAIN, reg_defaults[KS_UGAIN]); ks0127_write(ks, KS_VGAIN, reg_defaults[KS_VGAIN]); ks0127_write(ks, KS_UVOFFH, reg_defaults[KS_UVOFFH]); ks0127_write(ks, KS_UVOFFL, reg_defaults[KS_UVOFFL]); break; case KS_INPUT_SVIDEO_1: case KS_INPUT_SVIDEO_2: case KS_INPUT_SVIDEO_3: dprintk("ks0127: command DECODER_SET_INPUT %d: " "S-Video\n", *iarg); /* autodetect 50/60 Hz */ ks0127_and_or(ks, KS_CMDA, 0xfc, 0x00); /* VSE=0 */ ks0127_and_or(ks, KS_CMDA, ~0x40, 0x00); /* set input line */ ks0127_and_or(ks, KS_CMDB, 0xb0, *iarg); /* non-freerunning mode */ ks0127_and_or(ks, KS_CMDC, 0x70, 0x0a); /* analog input */ ks0127_and_or(ks, KS_CMDD, 0x03, 0x00); /* enable chroma demodulation */ ks0127_and_or(ks, KS_CTRACK, 0xcf, 0x00); ks0127_and_or(ks, KS_LUMA, 0x00, reg_defaults[KS_LUMA]); /* disable luma comb */ ks0127_and_or(ks, KS_VERTIA, 0x08, (reg_defaults[KS_VERTIA]&0xf0)|0x01); ks0127_and_or(ks, KS_VERTIC, 0x0f, reg_defaults[KS_VERTIC]&0xf0); ks0127_and_or(ks, KS_CHROMB, 0x0f, reg_defaults[KS_CHROMB]&0xf0); ks0127_write(ks, KS_UGAIN, reg_defaults[KS_UGAIN]); ks0127_write(ks, KS_VGAIN, reg_defaults[KS_VGAIN]); ks0127_write(ks, KS_UVOFFH, reg_defaults[KS_UVOFFH]); ks0127_write(ks, KS_UVOFFL, reg_defaults[KS_UVOFFL]); break; case KS_INPUT_YUV656: dprintk("ks0127: command DECODER_SET_INPUT 15: " "YUV656\n"); if (ks->norm == VIDEO_MODE_NTSC || ks->norm == KS_STD_PAL_M) /* force 60 Hz */ ks0127_and_or(ks, KS_CMDA, 0xfc, 0x03); else /* force 50 Hz */ ks0127_and_or(ks, KS_CMDA, 0xfc, 0x02); ks0127_and_or(ks, KS_CMDA, 0xff, 0x40); /* VSE=1 */ /* set input line and VALIGN */ ks0127_and_or(ks, KS_CMDB, 0xb0, (*iarg | 0x40)); /* freerunning mode, */ /* TSTGEN = 1 TSTGFR=11 TSTGPH=0 TSTGPK=0 VMEM=1*/ ks0127_and_or(ks, KS_CMDC, 0x70, 0x87); /* digital input, SYNDIR = 0 INPSL=01 CLKDIR=0 EAV=0 */ ks0127_and_or(ks, KS_CMDD, 0x03, 0x08); /* disable chroma demodulation */ ks0127_and_or(ks, KS_CTRACK, 0xcf, 0x30); /* HYPK =01 CTRAP = 0 HYBWR=0 PED=1 RGBH=1 UNIT=1 */ ks0127_and_or(ks, KS_LUMA, 0x00, 0x71); ks0127_and_or(ks, KS_VERTIC, 0x0f, reg_defaults[KS_VERTIC]&0xf0); /* scaler fullbw, luma comb off */ ks0127_and_or(ks, KS_VERTIA, 0x08, 0x81); ks0127_and_or(ks, KS_CHROMB, 0x0f, reg_defaults[KS_CHROMB]&0xf0); ks0127_and_or(ks, KS_CON, 0x00, 0x00); ks0127_and_or(ks, KS_BRT, 0x00, 32); /* spec: 34 */ /* spec: 229 (e5) */ ks0127_and_or(ks, KS_SAT, 0x00, 0xe8); ks0127_and_or(ks, KS_HUE, 0x00, 0); ks0127_and_or(ks, KS_UGAIN, 0x00, 238); ks0127_and_or(ks, KS_VGAIN, 0x00, 0x00); /*UOFF:0x30, VOFF:0x30, TSTCGN=1 */ ks0127_and_or(ks, KS_UVOFFH, 0x00, 0x4f); ks0127_and_or(ks, KS_UVOFFL, 0x00, 0x00); break; default: dprintk("ks0127: command DECODER_SET_INPUT: " "Unknown input %d\n", *iarg); break; } /* hack: CDMLPF sometimes spontaneously switches on; */ /* force back off */ ks0127_write(ks, KS_DEMOD, reg_defaults[KS_DEMOD]); break; case DECODER_SET_OUTPUT: switch(*iarg) { case KS_OUTPUT_YUV656E: dprintk("ks0127: command DECODER_SET_OUTPUT: " "OUTPUT_YUV656E (Missing)\n"); return -EINVAL; break; case KS_OUTPUT_EXV: dprintk("ks0127: command DECODER_SET_OUTPUT: " "OUTPUT_EXV\n"); ks0127_and_or(ks, KS_OFMTA, 0xf0, 0x09); break; } break; case DECODER_SET_NORM: //sam This block mixes old and new norm names... /* Set to automatic SECAM/Fsc mode */ ks0127_and_or(ks, KS_DEMOD, 0xf0, 0x00); ks->norm = *iarg; switch(*iarg) { /* this is untested !! */ /* It just detects PAL_N/NTSC_M (no special frequencies) */ /* And you have to set the standard a second time afterwards */ case VIDEO_MODE_AUTO: dprintk("ks0127: command DECODER_SET_NORM: AUTO\n"); /* The chip determines the format */ /* based on the current field rate */ ks0127_and_or(ks, KS_CMDA, 0xfc, 0x00); ks0127_and_or(ks, KS_CHROMA, 0x9f, 0x20); /* This is wrong for PAL ! As I said, */ /* you need to set the standard once again !! */ ks->format_height = 240; ks->format_width = 704; break; case VIDEO_MODE_NTSC: dprintk("ks0127: command DECODER_SET_NORM: NTSC_M\n"); ks0127_and_or(ks, KS_CHROMA, 0x9f, 0x20); ks->format_height = 240; ks->format_width = 704; break; case KS_STD_NTSC_N: dprintk("ks0127: command KS0127_SET_STANDARD: " "NTSC_N (fixme)\n"); ks0127_and_or(ks, KS_CHROMA, 0x9f, 0x40); ks->format_height = 240; ks->format_width = 704; break; case VIDEO_MODE_PAL: dprintk("ks0127: command DECODER_SET_NORM: PAL_N\n"); ks0127_and_or(ks, KS_CHROMA, 0x9f, 0x20); ks->format_height = 290; ks->format_width = 704; break; case KS_STD_PAL_M: dprintk("ks0127: command KS0127_SET_STANDARD: " "PAL_M (fixme)\n"); ks0127_and_or(ks, KS_CHROMA, 0x9f, 0x40); ks->format_height = 290; ks->format_width = 704; break; case VIDEO_MODE_SECAM: dprintk("ks0127: command KS0127_SET_STANDARD: " "SECAM\n"); ks->format_height = 290; ks->format_width = 704; /* set to secam autodetection */ ks0127_and_or(ks, KS_CHROMA, 0xdf, 0x20); ks0127_and_or(ks, KS_DEMOD, 0xf0, 0x00); schedule_timeout_interruptible(HZ/10+1); /* did it autodetect? */ if (ks0127_read(ks, KS_DEMOD) & 0x40) break; /* force to secam mode */ ks0127_and_or(ks, KS_DEMOD, 0xf0, 0x0f); break; default: dprintk("ks0127: command DECODER_SET_NORM: " "Unknown norm %d\n", *iarg); break; } break; case DECODER_SET_PICTURE: dprintk("ks0127: command DECODER_SET_PICTURE " "not yet supported (fixme)\n"); return -EINVAL; //sam todo: KS0127_SET_BRIGHTNESS: Merge into DECODER_SET_PICTURE //sam todo: KS0127_SET_CONTRAST: Merge into DECODER_SET_PICTURE //sam todo: KS0127_SET_HUE: Merge into DECODER_SET_PICTURE? //sam todo: KS0127_SET_SATURATION: Merge into DECODER_SET_PICTURE //sam todo: KS0127_SET_AGC_MODE: //sam todo: KS0127_SET_AGC: //sam todo: KS0127_SET_CHROMA_MODE: //sam todo: KS0127_SET_PIXCLK_MODE: //sam todo: KS0127_SET_GAMMA_MODE: //sam todo: KS0127_SET_UGAIN: //sam todo: KS0127_SET_VGAIN: //sam todo: KS0127_SET_INVALY: //sam todo: KS0127_SET_INVALU: //sam todo: KS0127_SET_INVALV: //sam todo: KS0127_SET_UNUSEY: //sam todo: KS0127_SET_UNUSEU: //sam todo: KS0127_SET_UNUSEV: //sam todo: KS0127_SET_VSALIGN_MODE: case DECODER_ENABLE_OUTPUT: { int *iarg = arg; int enable = (*iarg != 0); if (enable) { dprintk("ks0127: command " "DECODER_ENABLE_OUTPUT on " "(%d)\n", enable); /* All output pins on */ ks0127_and_or(ks, KS_OFMTA, 0xcf, 0x30); /* Obey the OEN pin */ ks0127_and_or(ks, KS_CDEM, 0x7f, 0x00); } else { dprintk("ks0127: command " "DECODER_ENABLE_OUTPUT off " "(%d)\n", enable); /* Video output pins off */ ks0127_and_or(ks, KS_OFMTA, 0xcf, 0x00); /* Ignore the OEN pin */ ks0127_and_or(ks, KS_CDEM, 0x7f, 0x80); } } break; //sam todo: KS0127_SET_OUTPUT_MODE: //sam todo: KS0127_SET_WIDTH: //sam todo: KS0127_SET_HEIGHT: //sam todo: KS0127_SET_HSCALE: case DECODER_GET_STATUS: dprintk("ks0127: command DECODER_GET_STATUS\n"); *iarg = 0; status = ks0127_read(ks, KS_STAT); if (!(status & 0x20)) /* NOVID not set */ *iarg = (*iarg | DECODER_STATUS_GOOD); if ((status & 0x01)) /* CLOCK set */ *iarg = (*iarg | DECODER_STATUS_COLOR); if ((status & 0x08)) /* PALDET set */ *iarg = (*iarg | DECODER_STATUS_PAL); else *iarg = (*iarg | DECODER_STATUS_NTSC); break; //Catch any unknown command default: dprintk("ks0127: command unknown: %04X\n", cmd); return -EINVAL; } return 0; } static int ks0127_probe(struct i2c_adapter *adapter); static int ks0127_detach(struct i2c_client *client); static int ks0127_command(struct i2c_client *client, unsigned int cmd, void *arg); /* Addresses to scan */ static unsigned short normal_i2c[] = {I2C_KS0127_ADDON>>1, I2C_KS0127_ONBOARD>>1, I2C_CLIENT_END}; static unsigned short probe[2] = {I2C_CLIENT_END, I2C_CLIENT_END}; static unsigned short ignore[2] = {I2C_CLIENT_END, I2C_CLIENT_END}; static struct i2c_client_address_data addr_data = { normal_i2c, probe, ignore, }; static struct i2c_driver i2c_driver_ks0127 = { .driver.name = "ks0127", .id = I2C_DRIVERID_KS0127, .attach_adapter = ks0127_probe, .detach_client = ks0127_detach, .command = ks0127_command }; static struct i2c_client ks0127_client_tmpl = { .name = "(ks0127 unset)", .addr = 0, .adapter = NULL, .driver = &i2c_driver_ks0127, .usage_count = 0 }; static int ks0127_found_proc(struct i2c_adapter *adapter, int addr, int kind) { struct ks0127 *ks; struct i2c_client *client; client = kzalloc(sizeof(*client), GFP_KERNEL); if (client == NULL) return -ENOMEM; memcpy(client, &ks0127_client_tmpl, sizeof(*client)); ks = kzalloc(sizeof(*ks), GFP_KERNEL); if (ks == NULL) { kfree(client); return -ENOMEM; } i2c_set_clientdata(client, ks); client->adapter = adapter; client->addr = addr; sprintf(client->name, "ks0127-%02x", adapter->id); ks->client = client; ks->addr = addr; ks->ks_type = KS_TYPE_UNKNOWN; /* power up */ ks0127_write(ks, KS_CMDA, 0x2c); mdelay(10); /* reset the device */ ks0127_reset(ks); printk(KERN_INFO "ks0127: attach: %s video decoder\n", ks->addr==(I2C_KS0127_ADDON>>1) ? "addon" : "on-board"); i2c_attach_client(client); return 0; } static int ks0127_probe(struct i2c_adapter *adapter) { if (adapter->id == I2C_HW_B_ZR36067) return i2c_probe(adapter, &addr_data, ks0127_found_proc); return 0; } static int ks0127_detach(struct i2c_client *client) { struct ks0127 *ks = i2c_get_clientdata(client); ks0127_write(ks, KS_OFMTA, 0x20); /*tristate*/ ks0127_write(ks, KS_CMDA, 0x2c | 0x80); /* power down */ i2c_detach_client(client); kfree(ks); kfree(client); dprintk("ks0127: detach\n"); return 0; } static int __devinit ks0127_init_module(void) { init_reg_defaults(); return i2c_add_driver(&i2c_driver_ks0127); } static void __devexit ks0127_cleanup_module(void) { i2c_del_driver(&i2c_driver_ks0127); } module_init(ks0127_init_module); module_exit(ks0127_cleanup_module);