diff options
Diffstat (limited to 'drivers/media/video/ks0127.c')
| -rw-r--r-- | drivers/media/video/ks0127.c | 846 |
1 files changed, 846 insertions, 0 deletions
diff --git a/drivers/media/video/ks0127.c b/drivers/media/video/ks0127.c new file mode 100644 index 0000000..3bf7ac4 --- /dev/null +++ b/drivers/media/video/ks0127.c @@ -0,0 +1,846 @@ +/* + * 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 + */ + +#ifndef __KERNEL__ +#define __KERNEL__ +#endif + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/proc_fs.h> +#include "ks0127.h" + +#include <linux/i2c.h> +#include <linux/video_decoder.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(); + i2c_add_driver(&i2c_driver_ks0127); + return 0; +} + +static void __devexit ks0127_cleanup_module(void) +{ + i2c_del_driver(&i2c_driver_ks0127); +} + + +module_init(ks0127_init_module); +module_exit(ks0127_cleanup_module); |