X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fcx88%2Fcx88-i2c.c;h=88af23a938702335697fb18bb1ce33526fa79dad;hb=refs%2Fheads%2Fvserver;hp=36b0dbb494551661f12a5fe41b16c32ff1180b86;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git diff --git a/drivers/media/video/cx88/cx88-i2c.c b/drivers/media/video/cx88/cx88-i2c.c index 36b0dbb49..88af23a93 100644 --- a/drivers/media/video/cx88/cx88-i2c.c +++ b/drivers/media/video/cx88/cx88-i2c.c @@ -1,13 +1,15 @@ /* - $Id: cx88-i2c.c,v 1.18 2004/10/13 10:39:00 kraxel Exp $ cx88-i2c.c -- all the i2c code is here Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de) - & Marcus Metzler (mocm@thp.uni-koeln.de) + & Marcus Metzler (mocm@thp.uni-koeln.de) (c) 2002 Yurij Sysoev (c) 1999-2003 Gerd Knorr + (c) 2005 Mauro Carvalho Chehab + - Multituner support and i2c address binding + 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 @@ -25,11 +27,13 @@ */ #include +#include #include #include #include "cx88.h" +#include static unsigned int i2c_debug = 0; module_param(i2c_debug, int, 0644); @@ -39,12 +43,17 @@ static unsigned int i2c_scan = 0; module_param(i2c_scan, int, 0444); MODULE_PARM_DESC(i2c_scan,"scan i2c bus at insmod time"); +static unsigned int i2c_udelay = 5; +module_param(i2c_udelay, int, 0644); +MODULE_PARM_DESC(i2c_udelay,"i2c delay at insmod time, in usecs " + "(should be 5 or higher). Lower value means higher bus speed."); + #define dprintk(level,fmt, arg...) if (i2c_debug >= level) \ printk(KERN_DEBUG "%s: " fmt, core->name , ## arg) /* ----------------------------------------------------------------------- */ -void cx8800_bit_setscl(void *data, int state) +static void cx8800_bit_setscl(void *data, int state) { struct cx88_core *core = data; @@ -56,7 +65,7 @@ void cx8800_bit_setscl(void *data, int state) cx_read(MO_I2C); } -void cx8800_bit_setsda(void *data, int state) +static void cx8800_bit_setsda(void *data, int state) { struct cx88_core *core = data; @@ -90,15 +99,34 @@ static int cx8800_bit_getsda(void *data) static int attach_inform(struct i2c_client *client) { + struct tuner_setup tun_setup; struct cx88_core *core = i2c_get_adapdata(client->adapter); - dprintk(1, "i2c attach [addr=0x%x,client=%s]\n", - client->addr, i2c_clientname(client)); + dprintk(1, "%s i2c attach [addr=0x%x,client=%s]\n", + client->driver->driver.name, client->addr, client->name); if (!client->driver->command) return 0; - if (core->tuner_type != UNSET) - client->driver->command(client, TUNER_SET_TYPE, &core->tuner_type); + if (core->radio_type != UNSET) { + if ((core->radio_addr==ADDR_UNSET)||(core->radio_addr==client->addr)) { + tun_setup.mode_mask = T_RADIO; + tun_setup.type = core->radio_type; + tun_setup.addr = core->radio_addr; + + client->driver->command (client, TUNER_SET_TYPE_ADDR, &tun_setup); + } + } + if (core->tuner_type != UNSET) { + if ((core->tuner_addr==ADDR_UNSET)||(core->tuner_addr==client->addr)) { + + tun_setup.mode_mask = T_ANALOG_TV; + tun_setup.type = core->tuner_type; + tun_setup.addr = core->tuner_addr; + + client->driver->command (client,TUNER_SET_TYPE_ADDR, &tun_setup); + } + } + if (core->tda9887_conf) client->driver->command(client, TDA9887_SET_CONFIG, &core->tda9887_conf); return 0; @@ -108,7 +136,7 @@ static int detach_inform(struct i2c_client *client) { struct cx88_core *core = i2c_get_adapdata(client->adapter); - dprintk(1, "i2c detach [client=%s]\n", i2c_clientname(client)); + dprintk(1, "i2c detach [client=%s]\n", client->name); return 0; } @@ -116,7 +144,17 @@ void cx88_call_i2c_clients(struct cx88_core *core, unsigned int cmd, void *arg) { if (0 != core->i2c_rc) return; - i2c_clients_command(&core->i2c_adap, cmd, arg); + + if ( (core->dvbdev) && (core->dvbdev->dvb.frontend) ) { + if (core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl) + core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl(core->dvbdev->dvb.frontend, 1); + + i2c_clients_command(&core->i2c_adap, cmd, arg); + + if (core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl) + core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl(core->dvbdev->dvb.frontend, 0); + } else + i2c_clients_command(&core->i2c_adap, cmd, arg); } static struct i2c_algo_bit_data cx8800_i2c_algo_template = { @@ -125,14 +163,13 @@ static struct i2c_algo_bit_data cx8800_i2c_algo_template = { .getsda = cx8800_bit_getsda, .getscl = cx8800_bit_getscl, .udelay = 16, - .mdelay = 10, .timeout = 200, }; /* ----------------------------------------------------------------------- */ static struct i2c_adapter cx8800_i2c_adap_template = { - I2C_DEVNAME("cx2388x"), + .name = "cx2388x", .owner = THIS_MODULE, .id = I2C_HW_B_CX2388x, .client_register = attach_inform, @@ -140,11 +177,11 @@ static struct i2c_adapter cx8800_i2c_adap_template = { }; static struct i2c_client cx8800_i2c_client_template = { - I2C_DEVNAME("cx88xx internal"), - .id = -1, + .name = "cx88xx internal", }; static char *i2c_devs[128] = { + [ 0x1c >> 1 ] = "lgdt330x", [ 0x86 >> 1 ] = "tda9887/cx22702", [ 0xa0 >> 1 ] = "eeprom", [ 0xc0 >> 1 ] = "tuner (analog)", @@ -169,6 +206,11 @@ static void do_i2c_scan(char *name, struct i2c_client *c) /* init + register i2c algo-bit adapter */ int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci) { + /* Prevents usage of invalid delay values */ + if (i2c_udelay<5) + i2c_udelay=5; + cx8800_i2c_algo_template.udelay=i2c_udelay; + memcpy(&core->i2c_adap, &cx8800_i2c_adap_template, sizeof(core->i2c_adap)); memcpy(&core->i2c_algo, &cx8800_i2c_algo_template, @@ -178,15 +220,15 @@ int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci) if (core->tuner_type != TUNER_ABSENT) core->i2c_adap.class |= I2C_CLASS_TV_ANALOG; - if (cx88_boards[core->board].dvb) + if (cx88_boards[core->board].mpeg & CX88_MPEG_DVB) core->i2c_adap.class |= I2C_CLASS_TV_DIGITAL; core->i2c_adap.dev.parent = &pci->dev; strlcpy(core->i2c_adap.name,core->name,sizeof(core->i2c_adap.name)); - core->i2c_algo.data = core; - i2c_set_adapdata(&core->i2c_adap,core); - core->i2c_adap.algo_data = &core->i2c_algo; - core->i2c_client.adapter = &core->i2c_adap; + core->i2c_algo.data = core; + i2c_set_adapdata(&core->i2c_adap,core); + core->i2c_adap.algo_data = &core->i2c_algo; + core->i2c_client.adapter = &core->i2c_adap; cx8800_bit_setscl(core,1); cx8800_bit_setsda(core,1); @@ -204,7 +246,6 @@ int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci) /* ----------------------------------------------------------------------- */ EXPORT_SYMBOL(cx88_call_i2c_clients); -EXPORT_SYMBOL(cx88_i2c_init); /* * Local variables: