diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-14 12:13:30 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-15 16:36:22 -0300 |
commit | b285192a43f0432d82c2c10974204e78af0da596 (patch) | |
tree | 618aa87e760c9c949eca9e4df6ae0eeffa11dcfc /drivers/media/video/cx88/cx88-i2c.c | |
parent | 68de959f773a1d49096835c411390bceff5d1549 (diff) |
[media] rename most media/video pci drivers to media/pci
Rename all PCI drivers with their own directory under
drivers/media/video into drivers/media/pci and update the
building system.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx88/cx88-i2c.c')
-rw-r--r-- | drivers/media/video/cx88/cx88-i2c.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/drivers/media/video/cx88/cx88-i2c.c b/drivers/media/video/cx88/cx88-i2c.c deleted file mode 100644 index de0f1af74e41..000000000000 --- a/drivers/media/video/cx88/cx88-i2c.c +++ /dev/null @@ -1,184 +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 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 const char * const 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(const 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 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)); - - - 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_algo.udelay = i2c_udelay; - core->i2c_algo.data = core; - i2c_set_adapdata(&core->i2c_adap, &core->v4l2_dev); - 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; -} |