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Diffstat (limited to 'drivers/media/video/cx88/cx88-i2c.c')
-rw-r--r--drivers/media/video/cx88/cx88-i2c.c231
1 files changed, 0 insertions, 231 deletions
diff --git a/drivers/media/video/cx88/cx88-i2c.c b/drivers/media/video/cx88/cx88-i2c.c
deleted file mode 100644
index c0ff2305d80..00000000000
--- a/drivers/media/video/cx88/cx88-i2c.c
+++ /dev/null
@@ -1,231 +0,0 @@
-
-/*
-
- 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)
- (c) 2002 Yurij Sysoev <yurij@naturesoft.net>
- (c) 1999-2003 Gerd Knorr <kraxel@bytesex.org>
-
- (c) 2005 Mauro Carvalho Chehab <mchehab@infradead.org>
- - 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
- (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., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#include <linux/module.h>
-#include <linux/init.h>
-
-#include <asm/io.h>
-
-#include "cx88.h"
-#include <media/v4l2-common.h>
-
-static unsigned int i2c_debug;
-module_param(i2c_debug, int, 0644);
-MODULE_PARM_DESC(i2c_debug,"enable debug messages [i2c]");
-
-static unsigned int i2c_scan;
-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)
-
-/* ----------------------------------------------------------------------- */
-
-static void cx8800_bit_setscl(void *data, int state)
-{
- struct cx88_core *core = data;
-
- if (state)
- core->i2c_state |= 0x02;
- else
- core->i2c_state &= ~0x02;
- cx_write(MO_I2C, core->i2c_state);
- cx_read(MO_I2C);
-}
-
-static void cx8800_bit_setsda(void *data, int state)
-{
- struct cx88_core *core = data;
-
- if (state)
- core->i2c_state |= 0x01;
- else
- core->i2c_state &= ~0x01;
- cx_write(MO_I2C, core->i2c_state);
- cx_read(MO_I2C);
-}
-
-static int cx8800_bit_getscl(void *data)
-{
- struct cx88_core *core = data;
- u32 state;
-
- state = cx_read(MO_I2C);
- return state & 0x02 ? 1 : 0;
-}
-
-static int cx8800_bit_getsda(void *data)
-{
- struct cx88_core *core = data;
- u32 state;
-
- state = cx_read(MO_I2C);
- return state & 0x01;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static int attach_inform(struct i2c_client *client)
-{
- struct cx88_core *core = i2c_get_adapdata(client->adapter);
-
- dprintk(1, "%s i2c attach [addr=0x%x,client=%s]\n",
- client->driver->driver.name, client->addr, client->name);
- return 0;
-}
-
-static int detach_inform(struct i2c_client *client)
-{
- struct cx88_core *core = i2c_get_adapdata(client->adapter);
-
- dprintk(1, "i2c detach [client=%s]\n", client->name);
- return 0;
-}
-
-void cx88_call_i2c_clients(struct cx88_core *core, unsigned int cmd, void *arg)
-{
- if (0 != core->i2c_rc)
- return;
-
- if (core->gate_ctrl)
- core->gate_ctrl(core, 1);
-
- i2c_clients_command(&core->i2c_adap, cmd, arg);
-
- if (core->gate_ctrl)
- core->gate_ctrl(core, 0);
-}
-
-static const struct i2c_algo_bit_data cx8800_i2c_algo_template = {
- .setsda = cx8800_bit_setsda,
- .setscl = cx8800_bit_setscl,
- .getsda = cx8800_bit_getsda,
- .getscl = cx8800_bit_getscl,
- .udelay = 16,
- .timeout = 200,
-};
-
-/* ----------------------------------------------------------------------- */
-
-static char *i2c_devs[128] = {
- [ 0x1c >> 1 ] = "lgdt330x",
- [ 0x86 >> 1 ] = "tda9887/cx22702",
- [ 0xa0 >> 1 ] = "eeprom",
- [ 0xc0 >> 1 ] = "tuner (analog)",
- [ 0xc2 >> 1 ] = "tuner (analog/dvb)",
- [ 0xc8 >> 1 ] = "xc5000",
-};
-
-static void do_i2c_scan(char *name, struct i2c_client *c)
-{
- unsigned char buf;
- int i,rc;
-
- for (i = 0; i < ARRAY_SIZE(i2c_devs); i++) {
- c->addr = i;
- rc = i2c_master_recv(c,&buf,0);
- if (rc < 0)
- continue;
- printk("%s: i2c scan: found device @ 0x%x [%s]\n",
- name, i << 1, i2c_devs[i] ? i2c_devs[i] : "???");
- }
-}
-
-/* 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;
-
- memcpy(&core->i2c_algo, &cx8800_i2c_algo_template,
- sizeof(core->i2c_algo));
-
- if (core->board.tuner_type != TUNER_ABSENT)
- core->i2c_adap.class |= I2C_CLASS_TV_ANALOG;
- if (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_adap.owner = THIS_MODULE;
- core->i2c_adap.id = I2C_HW_B_CX2388x;
- core->i2c_adap.client_register = attach_inform;
- core->i2c_adap.client_unregister = detach_inform;
- core->i2c_algo.udelay = i2c_udelay;
- 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;
- strlcpy(core->i2c_client.name, "cx88xx internal", I2C_NAME_SIZE);
-
- cx8800_bit_setscl(core,1);
- cx8800_bit_setsda(core,1);
-
- core->i2c_rc = i2c_bit_add_bus(&core->i2c_adap);
- if (0 == core->i2c_rc) {
- static u8 tuner_data[] =
- { 0x0b, 0xdc, 0x86, 0x52 };
- static struct i2c_msg tuner_msg =
- { .flags = 0, .addr = 0xc2 >> 1, .buf = tuner_data, .len = 4 };
-
- dprintk(1, "i2c register ok\n");
- switch( core->boardnr ) {
- case CX88_BOARD_HAUPPAUGE_HVR1300:
- case CX88_BOARD_HAUPPAUGE_HVR3000:
- case CX88_BOARD_HAUPPAUGE_HVR4000:
- printk("%s: i2c init: enabling analog demod on HVR1300/3000/4000 tuner\n",
- core->name);
- i2c_transfer(core->i2c_client.adapter, &tuner_msg, 1);
- break;
- default:
- break;
- }
- if (i2c_scan)
- do_i2c_scan(core->name,&core->i2c_client);
- } else
- printk("%s: i2c register FAILED\n", core->name);
- return core->i2c_rc;
-}
-
-/* ----------------------------------------------------------------------- */
-
-EXPORT_SYMBOL(cx88_call_i2c_clients);
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-13 19:46:24 +0000