nathan/Chromebook-Device-Nyan-NVIDIA-Tegra-K1-T124-Upstream-Linux-3.10-LTS-Kernel
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Initial commit; kernel source import

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Nathan
2025-04-06 23:50:55 -05:00
commit 25c6d769f4
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53
drivers/media/pci/cx23885/Kconfig Normal file
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config VIDEO_CX23885
tristate "Conexant cx23885 (2388x successor) support"
depends on DVB_CORE && VIDEO_DEV && PCI && I2C && INPUT && SND
select SND_PCM
select I2C_ALGOBIT
select VIDEO_BTCX
select VIDEO_TUNER
select VIDEO_TVEEPROM
depends on RC_CORE
select VIDEOBUF_DVB
select VIDEOBUF_DMA_SG
select VIDEO_CX25840
select VIDEO_CX2341X
select DVB_DIB7000P if MEDIA_SUBDRV_AUTOSELECT
select DVB_DRXK if MEDIA_SUBDRV_AUTOSELECT
select DVB_S5H1409 if MEDIA_SUBDRV_AUTOSELECT
select DVB_S5H1411 if MEDIA_SUBDRV_AUTOSELECT
select DVB_LGDT330X if MEDIA_SUBDRV_AUTOSELECT
select DVB_ZL10353 if MEDIA_SUBDRV_AUTOSELECT
select DVB_TDA10048 if MEDIA_SUBDRV_AUTOSELECT
select DVB_LNBP21 if MEDIA_SUBDRV_AUTOSELECT
select DVB_STV090x if MEDIA_SUBDRV_AUTOSELECT
select DVB_STB6100 if MEDIA_SUBDRV_AUTOSELECT
select DVB_STV6110 if MEDIA_SUBDRV_AUTOSELECT
select DVB_CX24116 if MEDIA_SUBDRV_AUTOSELECT
select DVB_STV0900 if MEDIA_SUBDRV_AUTOSELECT
select DVB_DS3000 if MEDIA_SUBDRV_AUTOSELECT
select DVB_TS2020 if MEDIA_SUBDRV_AUTOSELECT
select DVB_STV0367 if MEDIA_SUBDRV_AUTOSELECT
select DVB_TDA10071 if MEDIA_SUBDRV_AUTOSELECT
select DVB_A8293 if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_MT2063 if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_MT2131 if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_XC2028 if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_TDA8290 if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_TDA18271 if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_XC5000 if MEDIA_SUBDRV_AUTOSELECT
---help---
This is a video4linux driver for Conexant 23885 based
TV cards.
To compile this driver as a module, choose M here: the
module will be called cx23885
config MEDIA_ALTERA_CI
tristate "Altera FPGA based CI module"
depends on VIDEO_CX23885 && DVB_CORE
select ALTERA_STAPL
---help---
An Altera FPGA CI module for NetUP Dual DVB-T/C RF CI card.
To compile this driver as a module, choose M here: the
module will be called altera-ci

16
drivers/media/pci/cx23885/Makefile Normal file
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cx23885-objs := cx23885-cards.o cx23885-video.o cx23885-vbi.o \
cx23885-core.o cx23885-i2c.o cx23885-dvb.o cx23885-417.o \
cx23885-ioctl.o cx23885-ir.o cx23885-av.o cx23885-input.o \
cx23888-ir.o netup-init.o cimax2.o netup-eeprom.o \
cx23885-f300.o cx23885-alsa.o
obj-$(CONFIG_VIDEO_CX23885) += cx23885.o
obj-$(CONFIG_MEDIA_ALTERA_CI) += altera-ci.o
ccflags-y += -Idrivers/media/i2c
ccflags-y += -Idrivers/media/common
ccflags-y += -Idrivers/media/tuners
ccflags-y += -Idrivers/media/dvb-core
ccflags-y += -Idrivers/media/dvb-frontends
ccflags-y += $(extra-cflags-y) $(extra-cflags-m)

840
drivers/media/pci/cx23885/altera-ci.c Normal file
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/*
* altera-ci.c
*
* CI driver in conjunction with NetUp Dual DVB-T/C RF CI card
*
* Copyright (C) 2010,2011 NetUP Inc.
* Copyright (C) 2010,2011 Igor M. Liplianin <liplianin@netup.ru>
*
* 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.
*/
/*
* currently cx23885 GPIO's used.
* GPIO-0 ~INT in
* GPIO-1 TMS out
* GPIO-2 ~reset chips out
* GPIO-3 to GPIO-10 data/addr for CA in/out
* GPIO-11 ~CS out
* GPIO-12 AD_RG out
* GPIO-13 ~WR out
* GPIO-14 ~RD out
* GPIO-15 ~RDY in
* GPIO-16 TCK out
* GPIO-17 TDO in
* GPIO-18 TDI out
*/
/*
* Bit definitions for MC417_RWD and MC417_OEN registers
* bits 31-16
* +-----------+
* | Reserved |
* +-----------+
* bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8
* +-------+-------+-------+-------+-------+-------+-------+-------+
* | TDI | TDO | TCK | RDY# | #RD | #WR | AD_RG | #CS |
* +-------+-------+-------+-------+-------+-------+-------+-------+
* bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
* +-------+-------+-------+-------+-------+-------+-------+-------+
* | DATA7| DATA6| DATA5| DATA4| DATA3| DATA2| DATA1| DATA0|
* +-------+-------+-------+-------+-------+-------+-------+-------+
*/
#include <media/videobuf-dma-sg.h>
#include <media/videobuf-dvb.h>
#include "altera-ci.h"
#include "dvb_ca_en50221.h"
/* FPGA regs */
#define NETUP_CI_INT_CTRL 0x00
#define NETUP_CI_BUSCTRL2 0x01
#define NETUP_CI_ADDR0 0x04
#define NETUP_CI_ADDR1 0x05
#define NETUP_CI_DATA 0x06
#define NETUP_CI_BUSCTRL 0x07
#define NETUP_CI_PID_ADDR0 0x08
#define NETUP_CI_PID_ADDR1 0x09
#define NETUP_CI_PID_DATA 0x0a
#define NETUP_CI_TSA_DIV 0x0c
#define NETUP_CI_TSB_DIV 0x0d
#define NETUP_CI_REVISION 0x0f
/* const for ci op */
#define NETUP_CI_FLG_CTL 1
#define NETUP_CI_FLG_RD 1
#define NETUP_CI_FLG_AD 1
static unsigned int ci_dbg;
module_param(ci_dbg, int, 0644);
MODULE_PARM_DESC(ci_dbg, "Enable CI debugging");
static unsigned int pid_dbg;
module_param(pid_dbg, int, 0644);
MODULE_PARM_DESC(pid_dbg, "Enable PID filtering debugging");
MODULE_DESCRIPTION("altera FPGA CI module");
MODULE_AUTHOR("Igor M. Liplianin <liplianin@netup.ru>");
MODULE_LICENSE("GPL");
#define ci_dbg_print(args...) \
do { \
if (ci_dbg) \
printk(KERN_DEBUG args); \
} while (0)
#define pid_dbg_print(args...) \
do { \
if (pid_dbg) \
printk(KERN_DEBUG args); \
} while (0)
struct altera_ci_state;
struct netup_hw_pid_filter;
struct fpga_internal {
void *dev;
struct mutex fpga_mutex;/* two CI's on the same fpga */
struct netup_hw_pid_filter *pid_filt[2];
struct altera_ci_state *state[2];
struct work_struct work;
int (*fpga_rw) (void *dev, int flag, int data, int rw);
int cis_used;
int filts_used;
int strt_wrk;
};
/* stores all private variables for communication with CI */
struct altera_ci_state {
struct fpga_internal *internal;
struct dvb_ca_en50221 ca;
int status;
int nr;
};
/* stores all private variables for hardware pid filtering */
struct netup_hw_pid_filter {
struct fpga_internal *internal;
struct dvb_demux *demux;
/* save old functions */
int (*start_feed)(struct dvb_demux_feed *feed);
int (*stop_feed)(struct dvb_demux_feed *feed);
int status;
int nr;
};
/* internal params node */
struct fpga_inode {
/* pointer for internal params, one for each pair of CI's */
struct fpga_internal *internal;
struct fpga_inode *next_inode;
};
/* first internal params */
static struct fpga_inode *fpga_first_inode;
/* find chip by dev */
static struct fpga_inode *find_inode(void *dev)
{
struct fpga_inode *temp_chip = fpga_first_inode;
if (temp_chip == NULL)
return temp_chip;
/*
Search for the last fpga CI chip or
find it by dev */
while ((temp_chip != NULL) &&
(temp_chip->internal->dev != dev))
temp_chip = temp_chip->next_inode;
return temp_chip;
}
/* check demux */
static struct fpga_internal *check_filter(struct fpga_internal *temp_int,
void *demux_dev, int filt_nr)
{
if (temp_int == NULL)
return NULL;
if ((temp_int->pid_filt[filt_nr]) == NULL)
return NULL;
if (temp_int->pid_filt[filt_nr]->demux == demux_dev)
return temp_int;
return NULL;
}
/* find chip by demux */
static struct fpga_inode *find_dinode(void *demux_dev)
{
struct fpga_inode *temp_chip = fpga_first_inode;
struct fpga_internal *temp_int;
/*
* Search of the last fpga CI chip or
* find it by demux
*/
while (temp_chip != NULL) {
if (temp_chip->internal != NULL) {
temp_int = temp_chip->internal;
if (check_filter(temp_int, demux_dev, 0))
break;
if (check_filter(temp_int, demux_dev, 1))
break;
}
temp_chip = temp_chip->next_inode;
}
return temp_chip;
}
/* deallocating chip */
static void remove_inode(struct fpga_internal *internal)
{
struct fpga_inode *prev_node = fpga_first_inode;
struct fpga_inode *del_node = find_inode(internal->dev);
if (del_node != NULL) {
if (del_node == fpga_first_inode) {
fpga_first_inode = del_node->next_inode;
} else {
while (prev_node->next_inode != del_node)
prev_node = prev_node->next_inode;
if (del_node->next_inode == NULL)
prev_node->next_inode = NULL;
else
prev_node->next_inode =
prev_node->next_inode->next_inode;
}
kfree(del_node);
}
}
/* allocating new chip */
static struct fpga_inode *append_internal(struct fpga_internal *internal)
{
struct fpga_inode *new_node = fpga_first_inode;
if (new_node == NULL) {
new_node = kmalloc(sizeof(struct fpga_inode), GFP_KERNEL);
fpga_first_inode = new_node;
} else {
while (new_node->next_inode != NULL)
new_node = new_node->next_inode;
new_node->next_inode =
kmalloc(sizeof(struct fpga_inode), GFP_KERNEL);
if (new_node->next_inode != NULL)
new_node = new_node->next_inode;
else
new_node = NULL;
}
if (new_node != NULL) {
new_node->internal = internal;
new_node->next_inode = NULL;
}
return new_node;
}
static int netup_fpga_op_rw(struct fpga_internal *inter, int addr,
u8 val, u8 read)
{
inter->fpga_rw(inter->dev, NETUP_CI_FLG_AD, addr, 0);
return inter->fpga_rw(inter->dev, 0, val, read);
}
/* flag - mem/io, read - read/write */
static int altera_ci_op_cam(struct dvb_ca_en50221 *en50221, int slot,
u8 flag, u8 read, int addr, u8 val)
{
struct altera_ci_state *state = en50221->data;
struct fpga_internal *inter = state->internal;
u8 store;
int mem = 0;
if (0 != slot)
return -EINVAL;
mutex_lock(&inter->fpga_mutex);
netup_fpga_op_rw(inter, NETUP_CI_ADDR0, ((addr << 1) & 0xfe), 0);
netup_fpga_op_rw(inter, NETUP_CI_ADDR1, ((addr >> 7) & 0x7f), 0);
store = netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL, 0, NETUP_CI_FLG_RD);
store &= 0x0f;
store |= ((state->nr << 7) | (flag << 6));
netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL, store, 0);
mem = netup_fpga_op_rw(inter, NETUP_CI_DATA, val, read);
mutex_unlock(&inter->fpga_mutex);
ci_dbg_print("%s: %s: addr=[0x%02x], %s=%x\n", __func__,
(read) ? "read" : "write", addr,
(flag == NETUP_CI_FLG_CTL) ? "ctl" : "mem",
(read) ? mem : val);
return mem;
}
static int altera_ci_read_attribute_mem(struct dvb_ca_en50221 *en50221,
int slot, int addr)
{
return altera_ci_op_cam(en50221, slot, 0, NETUP_CI_FLG_RD, addr, 0);
}
static int altera_ci_write_attribute_mem(struct dvb_ca_en50221 *en50221,
int slot, int addr, u8 data)
{
return altera_ci_op_cam(en50221, slot, 0, 0, addr, data);
}
static int altera_ci_read_cam_ctl(struct dvb_ca_en50221 *en50221,
int slot, u8 addr)
{
return altera_ci_op_cam(en50221, slot, NETUP_CI_FLG_CTL,
NETUP_CI_FLG_RD, addr, 0);
}
static int altera_ci_write_cam_ctl(struct dvb_ca_en50221 *en50221, int slot,
u8 addr, u8 data)
{
return altera_ci_op_cam(en50221, slot, NETUP_CI_FLG_CTL, 0, addr, data);
}
static int altera_ci_slot_reset(struct dvb_ca_en50221 *en50221, int slot)
{
struct altera_ci_state *state = en50221->data;
struct fpga_internal *inter = state->internal;
/* reasonable timeout for CI reset is 10 seconds */
unsigned long t_out = jiffies + msecs_to_jiffies(9999);
int ret;
ci_dbg_print("%s\n", __func__);
if (0 != slot)
return -EINVAL;
mutex_lock(&inter->fpga_mutex);
ret = netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL, 0, NETUP_CI_FLG_RD);
netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL,
(ret & 0xcf) | (1 << (5 - state->nr)), 0);
mutex_unlock(&inter->fpga_mutex);
for (;;) {
mdelay(50);
mutex_lock(&inter->fpga_mutex);
ret = netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL,
0, NETUP_CI_FLG_RD);
mutex_unlock(&inter->fpga_mutex);
if ((ret & (1 << (5 - state->nr))) == 0)
break;
if (time_after(jiffies, t_out))
break;
}
ci_dbg_print("%s: %d msecs\n", __func__,
jiffies_to_msecs(jiffies + msecs_to_jiffies(9999) - t_out));
return 0;
}
static int altera_ci_slot_shutdown(struct dvb_ca_en50221 *en50221, int slot)
{
/* not implemented */
return 0;
}
static int altera_ci_slot_ts_ctl(struct dvb_ca_en50221 *en50221, int slot)
{
struct altera_ci_state *state = en50221->data;
struct fpga_internal *inter = state->internal;
int ret;
ci_dbg_print("%s\n", __func__);
if (0 != slot)
return -EINVAL;
mutex_lock(&inter->fpga_mutex);
ret = netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL, 0, NETUP_CI_FLG_RD);
netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL,
(ret & 0x0f) | (1 << (3 - state->nr)), 0);
mutex_unlock(&inter->fpga_mutex);
return 0;
}
/* work handler */
static void netup_read_ci_status(struct work_struct *work)
{
struct fpga_internal *inter =
container_of(work, struct fpga_internal, work);
int ret;
ci_dbg_print("%s\n", __func__);
mutex_lock(&inter->fpga_mutex);
/* ack' irq */
ret = netup_fpga_op_rw(inter, NETUP_CI_INT_CTRL, 0, NETUP_CI_FLG_RD);
ret = netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL, 0, NETUP_CI_FLG_RD);
mutex_unlock(&inter->fpga_mutex);
if (inter->state[1] != NULL) {
inter->state[1]->status =
((ret & 1) == 0 ?
DVB_CA_EN50221_POLL_CAM_PRESENT |
DVB_CA_EN50221_POLL_CAM_READY : 0);
ci_dbg_print("%s: setting CI[1] status = 0x%x\n",
__func__, inter->state[1]->status);
}
if (inter->state[0] != NULL) {
inter->state[0]->status =
((ret & 2) == 0 ?
DVB_CA_EN50221_POLL_CAM_PRESENT |
DVB_CA_EN50221_POLL_CAM_READY : 0);
ci_dbg_print("%s: setting CI[0] status = 0x%x\n",
__func__, inter->state[0]->status);
}
}
/* CI irq handler */
int altera_ci_irq(void *dev)
{
struct fpga_inode *temp_int = NULL;
struct fpga_internal *inter = NULL;
ci_dbg_print("%s\n", __func__);
if (dev != NULL) {
temp_int = find_inode(dev);
if (temp_int != NULL) {
inter = temp_int->internal;
schedule_work(&inter->work);
}
}
return 1;
}
EXPORT_SYMBOL(altera_ci_irq);
static int altera_poll_ci_slot_status(struct dvb_ca_en50221 *en50221,
int slot, int open)
{
struct altera_ci_state *state = en50221->data;
if (0 != slot)
return -EINVAL;
return state->status;
}
static void altera_hw_filt_release(void *main_dev, int filt_nr)
{
struct fpga_inode *temp_int = find_inode(main_dev);
struct netup_hw_pid_filter *pid_filt = NULL;
ci_dbg_print("%s\n", __func__);
if (temp_int != NULL) {
pid_filt = temp_int->internal->pid_filt[filt_nr - 1];
/* stored old feed controls */
pid_filt->demux->start_feed = pid_filt->start_feed;
pid_filt->demux->stop_feed = pid_filt->stop_feed;
if (((--(temp_int->internal->filts_used)) <= 0) &&
((temp_int->internal->cis_used) <= 0)) {
ci_dbg_print("%s: Actually removing\n", __func__);
remove_inode(temp_int->internal);
kfree(pid_filt->internal);
}
kfree(pid_filt);
}
}
EXPORT_SYMBOL(altera_hw_filt_release);
void altera_ci_release(void *dev, int ci_nr)
{
struct fpga_inode *temp_int = find_inode(dev);
struct altera_ci_state *state = NULL;
ci_dbg_print("%s\n", __func__);
if (temp_int != NULL) {
state = temp_int->internal->state[ci_nr - 1];
altera_hw_filt_release(dev, ci_nr);
if (((temp_int->internal->filts_used) <= 0) &&
((--(temp_int->internal->cis_used)) <= 0)) {
ci_dbg_print("%s: Actually removing\n", __func__);
remove_inode(temp_int->internal);
kfree(state->internal);
}
if (state != NULL) {
if (state->ca.data != NULL)
dvb_ca_en50221_release(&state->ca);
kfree(state);
}
}
}
EXPORT_SYMBOL(altera_ci_release);
static void altera_pid_control(struct netup_hw_pid_filter *pid_filt,
u16 pid, int onoff)
{
struct fpga_internal *inter = pid_filt->internal;
u8 store = 0;
/* pid 0-0x1f always enabled, don't touch them */
if ((pid == 0x2000) || (pid < 0x20))
return;
mutex_lock(&inter->fpga_mutex);
netup_fpga_op_rw(inter, NETUP_CI_PID_ADDR0, (pid >> 3) & 0xff, 0);
netup_fpga_op_rw(inter, NETUP_CI_PID_ADDR1,
((pid >> 11) & 0x03) | (pid_filt->nr << 2), 0);
store = netup_fpga_op_rw(inter, NETUP_CI_PID_DATA, 0, NETUP_CI_FLG_RD);
if (onoff)/* 0 - on, 1 - off */
store |= (1 << (pid & 7));
else
store &= ~(1 << (pid & 7));
netup_fpga_op_rw(inter, NETUP_CI_PID_DATA, store, 0);
mutex_unlock(&inter->fpga_mutex);
pid_dbg_print("%s: (%d) set pid: %5d 0x%04x '%s'\n", __func__,
pid_filt->nr, pid, pid, onoff ? "off" : "on");
}
static void altera_toggle_fullts_streaming(struct netup_hw_pid_filter *pid_filt,
int filt_nr, int onoff)
{
struct fpga_internal *inter = pid_filt->internal;
u8 store = 0;
int i;
pid_dbg_print("%s: pid_filt->nr[%d] now %s\n", __func__, pid_filt->nr,
onoff ? "off" : "on");
if (onoff)/* 0 - on, 1 - off */
store = 0xff;/* ignore pid */
else
store = 0;/* enable pid */
mutex_lock(&inter->fpga_mutex);
for (i = 0; i < 1024; i++) {
netup_fpga_op_rw(inter, NETUP_CI_PID_ADDR0, i & 0xff, 0);
netup_fpga_op_rw(inter, NETUP_CI_PID_ADDR1,
((i >> 8) & 0x03) | (pid_filt->nr << 2), 0);
/* pid 0-0x1f always enabled */
netup_fpga_op_rw(inter, NETUP_CI_PID_DATA,
(i > 3 ? store : 0), 0);
}
mutex_unlock(&inter->fpga_mutex);
}
static int altera_pid_feed_control(void *demux_dev, int filt_nr,
struct dvb_demux_feed *feed, int onoff)
{
struct fpga_inode *temp_int = find_dinode(demux_dev);
struct fpga_internal *inter = temp_int->internal;
struct netup_hw_pid_filter *pid_filt = inter->pid_filt[filt_nr - 1];
altera_pid_control(pid_filt, feed->pid, onoff ? 0 : 1);
/* call old feed proc's */
if (onoff)
pid_filt->start_feed(feed);
else
pid_filt->stop_feed(feed);
if (feed->pid == 0x2000)
altera_toggle_fullts_streaming(pid_filt, filt_nr,
onoff ? 0 : 1);
return 0;
}
EXPORT_SYMBOL(altera_pid_feed_control);
static int altera_ci_start_feed(struct dvb_demux_feed *feed, int num)
{
altera_pid_feed_control(feed->demux, num, feed, 1);
return 0;
}
static int altera_ci_stop_feed(struct dvb_demux_feed *feed, int num)
{
altera_pid_feed_control(feed->demux, num, feed, 0);
return 0;
}
static int altera_ci_start_feed_1(struct dvb_demux_feed *feed)
{
return altera_ci_start_feed(feed, 1);
}
static int altera_ci_stop_feed_1(struct dvb_demux_feed *feed)
{
return altera_ci_stop_feed(feed, 1);
}
static int altera_ci_start_feed_2(struct dvb_demux_feed *feed)
{
return altera_ci_start_feed(feed, 2);
}
static int altera_ci_stop_feed_2(struct dvb_demux_feed *feed)
{
return altera_ci_stop_feed(feed, 2);
}
static int altera_hw_filt_init(struct altera_ci_config *config, int hw_filt_nr)
{
struct netup_hw_pid_filter *pid_filt = NULL;
struct fpga_inode *temp_int = find_inode(config->dev);
struct fpga_internal *inter = NULL;
int ret = 0;
pid_filt = kzalloc(sizeof(struct netup_hw_pid_filter), GFP_KERNEL);
ci_dbg_print("%s\n", __func__);
if (!pid_filt) {
ret = -ENOMEM;
goto err;
}
if (temp_int != NULL) {
inter = temp_int->internal;
(inter->filts_used)++;
ci_dbg_print("%s: Find Internal Structure!\n", __func__);
} else {
inter = kzalloc(sizeof(struct fpga_internal), GFP_KERNEL);
if (!inter) {
ret = -ENOMEM;
goto err;
}
temp_int = append_internal(inter);
inter->filts_used = 1;
inter->dev = config->dev;
inter->fpga_rw = config->fpga_rw;
mutex_init(&inter->fpga_mutex);
inter->strt_wrk = 1;
ci_dbg_print("%s: Create New Internal Structure!\n", __func__);
}
ci_dbg_print("%s: setting hw pid filter = %p for ci = %d\n", __func__,
pid_filt, hw_filt_nr - 1);
inter->pid_filt[hw_filt_nr - 1] = pid_filt;
pid_filt->demux = config->demux;
pid_filt->internal = inter;
pid_filt->nr = hw_filt_nr - 1;
/* store old feed controls */
pid_filt->start_feed = config->demux->start_feed;
pid_filt->stop_feed = config->demux->stop_feed;
/* replace with new feed controls */
if (hw_filt_nr == 1) {
pid_filt->demux->start_feed = altera_ci_start_feed_1;
pid_filt->demux->stop_feed = altera_ci_stop_feed_1;
} else if (hw_filt_nr == 2) {
pid_filt->demux->start_feed = altera_ci_start_feed_2;
pid_filt->demux->stop_feed = altera_ci_stop_feed_2;
}
altera_toggle_fullts_streaming(pid_filt, 0, 1);
return 0;
err:
ci_dbg_print("%s: Can't init hardware filter: Error %d\n",
__func__, ret);
kfree(pid_filt);
return ret;
}
EXPORT_SYMBOL(altera_hw_filt_init);
int altera_ci_init(struct altera_ci_config *config, int ci_nr)
{
struct altera_ci_state *state;
struct fpga_inode *temp_int = find_inode(config->dev);
struct fpga_internal *inter = NULL;
int ret = 0;
u8 store = 0;
state = kzalloc(sizeof(struct altera_ci_state), GFP_KERNEL);
ci_dbg_print("%s\n", __func__);
if (!state) {
ret = -ENOMEM;
goto err;
}
if (temp_int != NULL) {
inter = temp_int->internal;
(inter->cis_used)++;
inter->fpga_rw = config->fpga_rw;
ci_dbg_print("%s: Find Internal Structure!\n", __func__);
} else {
inter = kzalloc(sizeof(struct fpga_internal), GFP_KERNEL);
if (!inter) {
ret = -ENOMEM;
goto err;
}
temp_int = append_internal(inter);
inter->cis_used = 1;
inter->dev = config->dev;
inter->fpga_rw = config->fpga_rw;
mutex_init(&inter->fpga_mutex);
inter->strt_wrk = 1;
ci_dbg_print("%s: Create New Internal Structure!\n", __func__);
}
ci_dbg_print("%s: setting state = %p for ci = %d\n", __func__,
state, ci_nr - 1);
state->internal = inter;
state->nr = ci_nr - 1;
state->ca.owner = THIS_MODULE;
state->ca.read_attribute_mem = altera_ci_read_attribute_mem;
state->ca.write_attribute_mem = altera_ci_write_attribute_mem;
state->ca.read_cam_control = altera_ci_read_cam_ctl;
state->ca.write_cam_control = altera_ci_write_cam_ctl;
state->ca.slot_reset = altera_ci_slot_reset;
state->ca.slot_shutdown = altera_ci_slot_shutdown;
state->ca.slot_ts_enable = altera_ci_slot_ts_ctl;
state->ca.poll_slot_status = altera_poll_ci_slot_status;
state->ca.data = state;
ret = dvb_ca_en50221_init(config->adapter,
&state->ca,
/* flags */ 0,
/* n_slots */ 1);
if (0 != ret)
goto err;
inter->state[ci_nr - 1] = state;
altera_hw_filt_init(config, ci_nr);
if (inter->strt_wrk) {
INIT_WORK(&inter->work, netup_read_ci_status);
inter->strt_wrk = 0;
}
ci_dbg_print("%s: CI initialized!\n", __func__);
mutex_lock(&inter->fpga_mutex);
/* Enable div */
netup_fpga_op_rw(inter, NETUP_CI_TSA_DIV, 0x0, 0);
netup_fpga_op_rw(inter, NETUP_CI_TSB_DIV, 0x0, 0);
/* enable TS out */
store = netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL2, 0, NETUP_CI_FLG_RD);
store |= (3 << 4);
netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL2, store, 0);
ret = netup_fpga_op_rw(inter, NETUP_CI_REVISION, 0, NETUP_CI_FLG_RD);
/* enable irq */
netup_fpga_op_rw(inter, NETUP_CI_INT_CTRL, 0x44, 0);
mutex_unlock(&inter->fpga_mutex);
ci_dbg_print("%s: NetUP CI Revision = 0x%x\n", __func__, ret);
schedule_work(&inter->work);
return 0;
err:
ci_dbg_print("%s: Cannot initialize CI: Error %d.\n", __func__, ret);
kfree(state);
return ret;
}
EXPORT_SYMBOL(altera_ci_init);
int altera_ci_tuner_reset(void *dev, int ci_nr)
{
struct fpga_inode *temp_int = find_inode(dev);
struct fpga_internal *inter = NULL;
u8 store;
ci_dbg_print("%s\n", __func__);
if (temp_int == NULL)
return -1;
if (temp_int->internal == NULL)
return -1;
inter = temp_int->internal;
mutex_lock(&inter->fpga_mutex);
store = netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL2, 0, NETUP_CI_FLG_RD);
store &= ~(4 << (2 - ci_nr));
netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL2, store, 0);
msleep(100);
store |= (4 << (2 - ci_nr));
netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL2, store, 0);
mutex_unlock(&inter->fpga_mutex);
return 0;
}
EXPORT_SYMBOL(altera_ci_tuner_reset);

101
drivers/media/pci/cx23885/altera-ci.h Normal file
View File

@@ -0,0 +1,101 @@
/*
* altera-ci.c
*
* CI driver in conjunction with NetUp Dual DVB-T/C RF CI card
*
* Copyright (C) 2010 NetUP Inc.
* Copyright (C) 2010 Igor M. Liplianin <liplianin@netup.ru>
*
* 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.
*/
#ifndef __ALTERA_CI_H
#define __ALTERA_CI_H
#include <linux/kconfig.h>
#define ALT_DATA 0x000000ff
#define ALT_TDI 0x00008000
#define ALT_TDO 0x00004000
#define ALT_TCK 0x00002000
#define ALT_RDY 0x00001000
#define ALT_RD 0x00000800
#define ALT_WR 0x00000400
#define ALT_AD_RG 0x00000200
#define ALT_CS 0x00000100
struct altera_ci_config {
void *dev;/* main dev, for example cx23885_dev */
void *adapter;/* for CI to connect to */
struct dvb_demux *demux;/* for hardware PID filter to connect to */
int (*fpga_rw) (void *dev, int ad_rg, int val, int rw);
};
#if IS_ENABLED(CONFIG_MEDIA_ALTERA_CI)
extern int altera_ci_init(struct altera_ci_config *config, int ci_nr);
extern void altera_ci_release(void *dev, int ci_nr);
extern int altera_ci_irq(void *dev);
extern int altera_ci_tuner_reset(void *dev, int ci_nr);
#else
static inline int altera_ci_init(struct altera_ci_config *config, int ci_nr)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return 0;
}
static inline void altera_ci_release(void *dev, int ci_nr)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
}
static inline int altera_ci_irq(void *dev)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return 0;
}
static inline int altera_ci_tuner_reset(void *dev, int ci_nr)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return 0;
}
#endif
#if 0
static inline int altera_hw_filt_init(struct altera_ci_config *config,
int hw_filt_nr)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return 0;
}
static inline void altera_hw_filt_release(void *dev, int filt_nr)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
}
static inline int altera_pid_feed_control(void *dev, int filt_nr,
struct dvb_demux_feed *dvbdmxfeed, int onoff)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return 0;
}
#endif /* CONFIG_MEDIA_ALTERA_CI */
#endif /* __ALTERA_CI_H */

539
drivers/media/pci/cx23885/cimax2.c Normal file
View File

@@ -0,0 +1,539 @@
/*
* cimax2.c
*
* CIMax2(R) SP2 driver in conjunction with NetUp Dual DVB-S2 CI card
*
* Copyright (C) 2009 NetUP Inc.
* Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
* Copyright (C) 2009 Abylay Ospan <aospan@netup.ru>
*
* 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 "cx23885.h"
#include "cimax2.h"
#include "dvb_ca_en50221.h"
/**** Bit definitions for MC417_RWD and MC417_OEN registers ***
bits 31-16
+-----------+
| Reserved |
+-----------+
bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8
+-------+-------+-------+-------+-------+-------+-------+-------+
| WR# | RD# | | ACK# | ADHI | ADLO | CS1# | CS0# |
+-------+-------+-------+-------+-------+-------+-------+-------+
bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
+-------+-------+-------+-------+-------+-------+-------+-------+
| DATA7| DATA6| DATA5| DATA4| DATA3| DATA2| DATA1| DATA0|
+-------+-------+-------+-------+-------+-------+-------+-------+
***/
/* MC417 */
#define NETUP_DATA 0x000000ff
#define NETUP_WR 0x00008000
#define NETUP_RD 0x00004000
#define NETUP_ACK 0x00001000
#define NETUP_ADHI 0x00000800
#define NETUP_ADLO 0x00000400
#define NETUP_CS1 0x00000200
#define NETUP_CS0 0x00000100
#define NETUP_EN_ALL 0x00001000
#define NETUP_CTRL_OFF (NETUP_CS1 | NETUP_CS0 | NETUP_WR | NETUP_RD)
#define NETUP_CI_CTL 0x04
#define NETUP_CI_RD 1
#define NETUP_IRQ_DETAM 0x1
#define NETUP_IRQ_IRQAM 0x4
static unsigned int ci_dbg;
module_param(ci_dbg, int, 0644);
MODULE_PARM_DESC(ci_dbg, "Enable CI debugging");
static unsigned int ci_irq_enable;
module_param(ci_irq_enable, int, 0644);
MODULE_PARM_DESC(ci_irq_enable, "Enable IRQ from CAM");
#define ci_dbg_print(args...) \
do { \
if (ci_dbg) \
printk(KERN_DEBUG args); \
} while (0)
#define ci_irq_flags() (ci_irq_enable ? NETUP_IRQ_IRQAM : 0)
/* stores all private variables for communication with CI */
struct netup_ci_state {
struct dvb_ca_en50221 ca;
struct mutex ca_mutex;
struct i2c_adapter *i2c_adap;
u8 ci_i2c_addr;
int status;
struct work_struct work;
void *priv;
u8 current_irq_mode;
int current_ci_flag;
unsigned long next_status_checked_time;
};
static int netup_read_i2c(struct i2c_adapter *i2c_adap, u8 addr, u8 reg,
u8 *buf, int len)
{
int ret;
struct i2c_msg msg[] = {
{
.addr = addr,
.flags = 0,
.buf = &reg,
.len = 1
}, {
.addr = addr,
.flags = I2C_M_RD,
.buf = buf,
.len = len
}
};
ret = i2c_transfer(i2c_adap, msg, 2);
if (ret != 2) {
ci_dbg_print("%s: i2c read error, Reg = 0x%02x, Status = %d\n",
__func__, reg, ret);
return -1;
}
ci_dbg_print("%s: i2c read Addr=0x%04x, Reg = 0x%02x, data = %02x\n",
__func__, addr, reg, buf[0]);
return 0;
}
static int netup_write_i2c(struct i2c_adapter *i2c_adap, u8 addr, u8 reg,
u8 *buf, int len)
{
int ret;
u8 buffer[len + 1];
struct i2c_msg msg = {
.addr = addr,
.flags = 0,
.buf = &buffer[0],
.len = len + 1
};
buffer[0] = reg;
memcpy(&buffer[1], buf, len);
ret = i2c_transfer(i2c_adap, &msg, 1);
if (ret != 1) {
ci_dbg_print("%s: i2c write error, Reg=[0x%02x], Status=%d\n",
__func__, reg, ret);
return -1;
}
return 0;
}
static int netup_ci_get_mem(struct cx23885_dev *dev)
{
int mem;
unsigned long timeout = jiffies + msecs_to_jiffies(1);
for (;;) {
mem = cx_read(MC417_RWD);
if ((mem & NETUP_ACK) == 0)
break;
if (time_after(jiffies, timeout))
break;
udelay(1);
}
cx_set(MC417_RWD, NETUP_CTRL_OFF);
return mem & 0xff;
}
static int netup_ci_op_cam(struct dvb_ca_en50221 *en50221, int slot,
u8 flag, u8 read, int addr, u8 data)
{
struct netup_ci_state *state = en50221->data;
struct cx23885_tsport *port = state->priv;
struct cx23885_dev *dev = port->dev;
u8 store;
int mem;
int ret;
if (0 != slot)
return -EINVAL;
if (state->current_ci_flag != flag) {
ret = netup_read_i2c(state->i2c_adap, state->ci_i2c_addr,
0, &store, 1);
if (ret != 0)
return ret;
store &= ~0x0c;
store |= flag;
ret = netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
0, &store, 1);
if (ret != 0)
return ret;
}
state->current_ci_flag = flag;
mutex_lock(&dev->gpio_lock);
/* write addr */
cx_write(MC417_OEN, NETUP_EN_ALL);
cx_write(MC417_RWD, NETUP_CTRL_OFF |
NETUP_ADLO | (0xff & addr));
cx_clear(MC417_RWD, NETUP_ADLO);
cx_write(MC417_RWD, NETUP_CTRL_OFF |
NETUP_ADHI | (0xff & (addr >> 8)));
cx_clear(MC417_RWD, NETUP_ADHI);
if (read) { /* data in */
cx_write(MC417_OEN, NETUP_EN_ALL | NETUP_DATA);
} else /* data out */
cx_write(MC417_RWD, NETUP_CTRL_OFF | data);
/* choose chip */
cx_clear(MC417_RWD,
(state->ci_i2c_addr == 0x40) ? NETUP_CS0 : NETUP_CS1);
/* read/write */
cx_clear(MC417_RWD, (read) ? NETUP_RD : NETUP_WR);
mem = netup_ci_get_mem(dev);
mutex_unlock(&dev->gpio_lock);
if (!read)
if (mem < 0)
return -EREMOTEIO;
ci_dbg_print("%s: %s: chipaddr=[0x%x] addr=[0x%02x], %s=%x\n", __func__,
(read) ? "read" : "write", state->ci_i2c_addr, addr,
(flag == NETUP_CI_CTL) ? "ctl" : "mem",
(read) ? mem : data);
if (read)
return mem;
return 0;
}
int netup_ci_read_attribute_mem(struct dvb_ca_en50221 *en50221,
int slot, int addr)
{
return netup_ci_op_cam(en50221, slot, 0, NETUP_CI_RD, addr, 0);
}
int netup_ci_write_attribute_mem(struct dvb_ca_en50221 *en50221,
int slot, int addr, u8 data)
{
return netup_ci_op_cam(en50221, slot, 0, 0, addr, data);
}
int netup_ci_read_cam_ctl(struct dvb_ca_en50221 *en50221, int slot,
u8 addr)
{
return netup_ci_op_cam(en50221, slot, NETUP_CI_CTL,
NETUP_CI_RD, addr, 0);
}
int netup_ci_write_cam_ctl(struct dvb_ca_en50221 *en50221, int slot,
u8 addr, u8 data)
{
return netup_ci_op_cam(en50221, slot, NETUP_CI_CTL, 0, addr, data);
}
int netup_ci_slot_reset(struct dvb_ca_en50221 *en50221, int slot)
{
struct netup_ci_state *state = en50221->data;
u8 buf = 0x80;
int ret;
if (0 != slot)
return -EINVAL;
udelay(500);
ret = netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
0, &buf, 1);
if (ret != 0)
return ret;
udelay(500);
buf = 0x00;
ret = netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
0, &buf, 1);
msleep(1000);
dvb_ca_en50221_camready_irq(&state->ca, 0);
return 0;
}
int netup_ci_slot_shutdown(struct dvb_ca_en50221 *en50221, int slot)
{
/* not implemented */
return 0;
}
static int netup_ci_set_irq(struct dvb_ca_en50221 *en50221, u8 irq_mode)
{
struct netup_ci_state *state = en50221->data;
int ret;
if (irq_mode == state->current_irq_mode)
return 0;
ci_dbg_print("%s: chipaddr=[0x%x] setting ci IRQ to [0x%x] \n",
__func__, state->ci_i2c_addr, irq_mode);
ret = netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
0x1b, &irq_mode, 1);
if (ret != 0)
return ret;
state->current_irq_mode = irq_mode;
return 0;
}
int netup_ci_slot_ts_ctl(struct dvb_ca_en50221 *en50221, int slot)
{
struct netup_ci_state *state = en50221->data;
u8 buf;
if (0 != slot)
return -EINVAL;
netup_read_i2c(state->i2c_adap, state->ci_i2c_addr,
0, &buf, 1);
buf |= 0x60;
return netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
0, &buf, 1);
}
/* work handler */
static void netup_read_ci_status(struct work_struct *work)
{
struct netup_ci_state *state =
container_of(work, struct netup_ci_state, work);
u8 buf[33];
int ret;
/* CAM module IRQ processing. fast operation */
dvb_ca_en50221_frda_irq(&state->ca, 0);
/* CAM module INSERT/REMOVE processing. slow operation because of i2c
* transfers */
if (time_after(jiffies, state->next_status_checked_time)
|| !state->status) {
ret = netup_read_i2c(state->i2c_adap, state->ci_i2c_addr,
0, &buf[0], 33);
state->next_status_checked_time = jiffies
+ msecs_to_jiffies(1000);
if (ret != 0)
return;
ci_dbg_print("%s: Slot Status Addr=[0x%04x], "
"Reg=[0x%02x], data=%02x, "
"TS config = %02x\n", __func__,
state->ci_i2c_addr, 0, buf[0],
buf[0]);
if (buf[0] & 1)
state->status = DVB_CA_EN50221_POLL_CAM_PRESENT |
DVB_CA_EN50221_POLL_CAM_READY;
else
state->status = 0;
}
}
/* CI irq handler */
int netup_ci_slot_status(struct cx23885_dev *dev, u32 pci_status)
{
struct cx23885_tsport *port = NULL;
struct netup_ci_state *state = NULL;
ci_dbg_print("%s:\n", __func__);
if (0 == (pci_status & (PCI_MSK_GPIO0 | PCI_MSK_GPIO1)))
return 0;
if (pci_status & PCI_MSK_GPIO0) {
port = &dev->ts1;
state = port->port_priv;
schedule_work(&state->work);
ci_dbg_print("%s: Wakeup CI0\n", __func__);
}
if (pci_status & PCI_MSK_GPIO1) {
port = &dev->ts2;
state = port->port_priv;
schedule_work(&state->work);
ci_dbg_print("%s: Wakeup CI1\n", __func__);
}
return 1;
}
int netup_poll_ci_slot_status(struct dvb_ca_en50221 *en50221,
int slot, int open)
{
struct netup_ci_state *state = en50221->data;
if (0 != slot)
return -EINVAL;
netup_ci_set_irq(en50221, open ? (NETUP_IRQ_DETAM | ci_irq_flags())
: NETUP_IRQ_DETAM);
return state->status;
}
int netup_ci_init(struct cx23885_tsport *port)
{
struct netup_ci_state *state;
u8 cimax_init[34] = {
0x00, /* module A control*/
0x00, /* auto select mask high A */
0x00, /* auto select mask low A */
0x00, /* auto select pattern high A */
0x00, /* auto select pattern low A */
0x44, /* memory access time A */
0x00, /* invert input A */
0x00, /* RFU */
0x00, /* RFU */
0x00, /* module B control*/
0x00, /* auto select mask high B */
0x00, /* auto select mask low B */
0x00, /* auto select pattern high B */
0x00, /* auto select pattern low B */
0x44, /* memory access time B */
0x00, /* invert input B */
0x00, /* RFU */
0x00, /* RFU */
0x00, /* auto select mask high Ext */
0x00, /* auto select mask low Ext */
0x00, /* auto select pattern high Ext */
0x00, /* auto select pattern low Ext */
0x00, /* RFU */
0x02, /* destination - module A */
0x01, /* power on (use it like store place) */
0x00, /* RFU */
0x00, /* int status read only */
ci_irq_flags() | NETUP_IRQ_DETAM, /* DETAM, IRQAM unmasked */
0x05, /* EXTINT=active-high, INT=push-pull */
0x00, /* USCG1 */
0x04, /* ack active low */
0x00, /* LOCK = 0 */
0x33, /* serial mode, rising in, rising out, MSB first*/
0x31, /* synchronization */
};
int ret;
ci_dbg_print("%s\n", __func__);
state = kzalloc(sizeof(struct netup_ci_state), GFP_KERNEL);
if (!state) {
ci_dbg_print("%s: Unable create CI structure!\n", __func__);
ret = -ENOMEM;
goto err;
}
port->port_priv = state;
switch (port->nr) {
case 1:
state->ci_i2c_addr = 0x40;
break;
case 2:
state->ci_i2c_addr = 0x41;
break;
}
state->i2c_adap = &port->dev->i2c_bus[0].i2c_adap;
state->ca.owner = THIS_MODULE;
state->ca.read_attribute_mem = netup_ci_read_attribute_mem;
state->ca.write_attribute_mem = netup_ci_write_attribute_mem;
state->ca.read_cam_control = netup_ci_read_cam_ctl;
state->ca.write_cam_control = netup_ci_write_cam_ctl;
state->ca.slot_reset = netup_ci_slot_reset;
state->ca.slot_shutdown = netup_ci_slot_shutdown;
state->ca.slot_ts_enable = netup_ci_slot_ts_ctl;
state->ca.poll_slot_status = netup_poll_ci_slot_status;
state->ca.data = state;
state->priv = port;
state->current_irq_mode = ci_irq_flags() | NETUP_IRQ_DETAM;
ret = netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
0, &cimax_init[0], 34);
/* lock registers */
ret |= netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
0x1f, &cimax_init[0x18], 1);
/* power on slots */
ret |= netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
0x18, &cimax_init[0x18], 1);
if (0 != ret)
goto err;
ret = dvb_ca_en50221_init(&port->frontends.adapter,
&state->ca,
/* flags */ 0,
/* n_slots */ 1);
if (0 != ret)
goto err;
INIT_WORK(&state->work, netup_read_ci_status);
schedule_work(&state->work);
ci_dbg_print("%s: CI initialized!\n", __func__);
return 0;
err:
ci_dbg_print("%s: Cannot initialize CI: Error %d.\n", __func__, ret);
kfree(state);
return ret;
}
void netup_ci_exit(struct cx23885_tsport *port)
{
struct netup_ci_state *state;
if (NULL == port)
return;
state = (struct netup_ci_state *)port->port_priv;
if (NULL == state)
return;
if (NULL == state->ca.data)
return;
dvb_ca_en50221_release(&state->ca);
kfree(state);
}

47
drivers/media/pci/cx23885/cimax2.h Normal file
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@@ -0,0 +1,47 @@
/*
* cimax2.h
*
* CIMax(R) SP2 driver in conjunction with NetUp Dual DVB-S2 CI card
*
* Copyright (C) 2009 NetUP Inc.
* Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
* Copyright (C) 2009 Abylay Ospan <aospan@netup.ru>
*
* 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.
*/
#ifndef CIMAX2_H
#define CIMAX2_H
#include "dvb_ca_en50221.h"
extern int netup_ci_read_attribute_mem(struct dvb_ca_en50221 *en50221,
int slot, int addr);
extern int netup_ci_write_attribute_mem(struct dvb_ca_en50221 *en50221,
int slot, int addr, u8 data);
extern int netup_ci_read_cam_ctl(struct dvb_ca_en50221 *en50221,
int slot, u8 addr);
extern int netup_ci_write_cam_ctl(struct dvb_ca_en50221 *en50221,
int slot, u8 addr, u8 data);
extern int netup_ci_slot_reset(struct dvb_ca_en50221 *en50221, int slot);
extern int netup_ci_slot_shutdown(struct dvb_ca_en50221 *en50221, int slot);
extern int netup_ci_slot_ts_ctl(struct dvb_ca_en50221 *en50221, int slot);
extern int netup_ci_slot_status(struct cx23885_dev *dev, u32 pci_status);
extern int netup_poll_ci_slot_status(struct dvb_ca_en50221 *en50221,
int slot, int open);
extern int netup_ci_init(struct cx23885_tsport *port);
extern void netup_ci_exit(struct cx23885_tsport *port);
#endif

1790
drivers/media/pci/cx23885/cx23885-417.c Normal file
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File diff suppressed because it is too large Load Diff

537
drivers/media/pci/cx23885/cx23885-alsa.c Normal file
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@@ -0,0 +1,537 @@
/*
*
* Support for CX23885 analog audio capture
*
* (c) 2008 Mijhail Moreyra <mijhail.moreyra@gmail.com>
* Adapted from cx88-alsa.c
* (c) 2009 Steven Toth <stoth@kernellabs.com>
*
* 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 <linux/device.h>
#include <linux/interrupt.h>
#include <linux/vmalloc.h>
#include <linux/dma-mapping.h>
#include <linux/pci.h>
#include <asm/delay.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/control.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include "cx23885.h"
#include "cx23885-reg.h"
#define AUDIO_SRAM_CHANNEL SRAM_CH07
#define dprintk(level, fmt, arg...) do { \
if (audio_debug + 1 > level) \
printk(KERN_INFO "%s: " fmt, chip->dev->name , ## arg); \
} while(0)
#define dprintk_core(level, fmt, arg...) if (audio_debug >= level) \
printk(KERN_DEBUG "%s: " fmt, chip->dev->name , ## arg)
/****************************************************************************
Module global static vars
****************************************************************************/
static unsigned int disable_analog_audio;
module_param(disable_analog_audio, int, 0644);
MODULE_PARM_DESC(disable_analog_audio, "disable analog audio ALSA driver");
static unsigned int audio_debug;
module_param(audio_debug, int, 0644);
MODULE_PARM_DESC(audio_debug, "enable debug messages [analog audio]");
/****************************************************************************
Board specific funtions
****************************************************************************/
/* Constants taken from cx88-reg.h */
#define AUD_INT_DN_RISCI1 (1 << 0)
#define AUD_INT_UP_RISCI1 (1 << 1)
#define AUD_INT_RDS_DN_RISCI1 (1 << 2)
#define AUD_INT_DN_RISCI2 (1 << 4) /* yes, 3 is skipped */
#define AUD_INT_UP_RISCI2 (1 << 5)
#define AUD_INT_RDS_DN_RISCI2 (1 << 6)
#define AUD_INT_DN_SYNC (1 << 12)
#define AUD_INT_UP_SYNC (1 << 13)
#define AUD_INT_RDS_DN_SYNC (1 << 14)
#define AUD_INT_OPC_ERR (1 << 16)
#define AUD_INT_BER_IRQ (1 << 20)
#define AUD_INT_MCHG_IRQ (1 << 21)
#define GP_COUNT_CONTROL_RESET 0x3
/*
* BOARD Specific: Sets audio DMA
*/
static int cx23885_start_audio_dma(struct cx23885_audio_dev *chip)
{
struct cx23885_audio_buffer *buf = chip->buf;
struct cx23885_dev *dev = chip->dev;
struct sram_channel *audio_ch =
&dev->sram_channels[AUDIO_SRAM_CHANNEL];
dprintk(1, "%s()\n", __func__);
/* Make sure RISC/FIFO are off before changing FIFO/RISC settings */
cx_clear(AUD_INT_DMA_CTL, 0x11);
/* setup fifo + format - out channel */
cx23885_sram_channel_setup(chip->dev, audio_ch, buf->bpl,
buf->risc.dma);
/* sets bpl size */
cx_write(AUD_INT_A_LNGTH, buf->bpl);
/* This is required to get good audio (1 seems to be ok) */
cx_write(AUD_INT_A_MODE, 1);
/* reset counter */
cx_write(AUD_INT_A_GPCNT_CTL, GP_COUNT_CONTROL_RESET);
atomic_set(&chip->count, 0);
dprintk(1, "Start audio DMA, %d B/line, %d lines/FIFO, %d periods, %d "
"byte buffer\n", buf->bpl, cx_read(audio_ch->cmds_start+12)>>1,
chip->num_periods, buf->bpl * chip->num_periods);
/* Enables corresponding bits at AUD_INT_STAT */
cx_write(AUDIO_INT_INT_MSK, AUD_INT_OPC_ERR | AUD_INT_DN_SYNC |
AUD_INT_DN_RISCI1);
/* Clean any pending interrupt bits already set */
cx_write(AUDIO_INT_INT_STAT, ~0);
/* enable audio irqs */
cx_set(PCI_INT_MSK, chip->dev->pci_irqmask | PCI_MSK_AUD_INT);
/* start dma */
cx_set(DEV_CNTRL2, (1<<5)); /* Enables Risc Processor */
cx_set(AUD_INT_DMA_CTL, 0x11); /* audio downstream FIFO and
RISC enable */
if (audio_debug)
cx23885_sram_channel_dump(chip->dev, audio_ch);
return 0;
}
/*
* BOARD Specific: Resets audio DMA
*/
static int cx23885_stop_audio_dma(struct cx23885_audio_dev *chip)
{
struct cx23885_dev *dev = chip->dev;
dprintk(1, "Stopping audio DMA\n");
/* stop dma */
cx_clear(AUD_INT_DMA_CTL, 0x11);
/* disable irqs */
cx_clear(PCI_INT_MSK, PCI_MSK_AUD_INT);
cx_clear(AUDIO_INT_INT_MSK, AUD_INT_OPC_ERR | AUD_INT_DN_SYNC |
AUD_INT_DN_RISCI1);
if (audio_debug)
cx23885_sram_channel_dump(chip->dev,
&dev->sram_channels[AUDIO_SRAM_CHANNEL]);
return 0;
}
/*
* BOARD Specific: Handles audio IRQ
*/
int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask)
{
struct cx23885_audio_dev *chip = dev->audio_dev;
if (0 == (status & mask))
return 0;
cx_write(AUDIO_INT_INT_STAT, status);
/* risc op code error */
if (status & AUD_INT_OPC_ERR) {
printk(KERN_WARNING "%s/1: Audio risc op code error\n",
dev->name);
cx_clear(AUD_INT_DMA_CTL, 0x11);
cx23885_sram_channel_dump(dev,
&dev->sram_channels[AUDIO_SRAM_CHANNEL]);
}
if (status & AUD_INT_DN_SYNC) {
dprintk(1, "Downstream sync error\n");
cx_write(AUD_INT_A_GPCNT_CTL, GP_COUNT_CONTROL_RESET);
return 1;
}
/* risc1 downstream */
if (status & AUD_INT_DN_RISCI1) {
atomic_set(&chip->count, cx_read(AUD_INT_A_GPCNT));
snd_pcm_period_elapsed(chip->substream);
}
/* FIXME: Any other status should deserve a special handling? */
return 1;
}
static int dsp_buffer_free(struct cx23885_audio_dev *chip)
{
BUG_ON(!chip->dma_size);
dprintk(2, "Freeing buffer\n");
videobuf_dma_unmap(&chip->pci->dev, chip->dma_risc);
videobuf_dma_free(chip->dma_risc);
btcx_riscmem_free(chip->pci, &chip->buf->risc);
kfree(chip->buf);
chip->dma_risc = NULL;
chip->dma_size = 0;
return 0;
}
/****************************************************************************
ALSA PCM Interface
****************************************************************************/
/*
* Digital hardware definition
*/
#define DEFAULT_FIFO_SIZE 4096
static struct snd_pcm_hardware snd_cx23885_digital_hw = {
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_48000,
.rate_min = 48000,
.rate_max = 48000,
.channels_min = 2,
.channels_max = 2,
/* Analog audio output will be full of clicks and pops if there
are not exactly four lines in the SRAM FIFO buffer. */
.period_bytes_min = DEFAULT_FIFO_SIZE/4,
.period_bytes_max = DEFAULT_FIFO_SIZE/4,
.periods_min = 1,
.periods_max = 1024,
.buffer_bytes_max = (1024*1024),
};
/*
* audio pcm capture open callback
*/
static int snd_cx23885_pcm_open(struct snd_pcm_substream *substream)
{
struct cx23885_audio_dev *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
int err;
if (!chip) {
printk(KERN_ERR "BUG: cx23885 can't find device struct."
" Can't proceed with open\n");
return -ENODEV;
}
err = snd_pcm_hw_constraint_pow2(runtime, 0,
SNDRV_PCM_HW_PARAM_PERIODS);
if (err < 0)
goto _error;
chip->substream = substream;
runtime->hw = snd_cx23885_digital_hw;
if (chip->dev->sram_channels[AUDIO_SRAM_CHANNEL].fifo_size !=
DEFAULT_FIFO_SIZE) {
unsigned int bpl = chip->dev->
sram_channels[AUDIO_SRAM_CHANNEL].fifo_size / 4;
bpl &= ~7; /* must be multiple of 8 */
runtime->hw.period_bytes_min = bpl;
runtime->hw.period_bytes_max = bpl;
}
return 0;
_error:
dprintk(1, "Error opening PCM!\n");
return err;
}
/*
* audio close callback
*/
static int snd_cx23885_close(struct snd_pcm_substream *substream)
{
return 0;
}
/*
* hw_params callback
*/
static int snd_cx23885_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct cx23885_audio_dev *chip = snd_pcm_substream_chip(substream);
struct videobuf_dmabuf *dma;
struct cx23885_audio_buffer *buf;
int ret;
if (substream->runtime->dma_area) {
dsp_buffer_free(chip);
substream->runtime->dma_area = NULL;
}
chip->period_size = params_period_bytes(hw_params);
chip->num_periods = params_periods(hw_params);
chip->dma_size = chip->period_size * params_periods(hw_params);
BUG_ON(!chip->dma_size);
BUG_ON(chip->num_periods & (chip->num_periods-1));
buf = kzalloc(sizeof(*buf), GFP_KERNEL);
if (NULL == buf)
return -ENOMEM;
buf->bpl = chip->period_size;
dma = &buf->dma;
videobuf_dma_init(dma);
ret = videobuf_dma_init_kernel(dma, PCI_DMA_FROMDEVICE,
(PAGE_ALIGN(chip->dma_size) >> PAGE_SHIFT));
if (ret < 0)
goto error;
ret = videobuf_dma_map(&chip->pci->dev, dma);
if (ret < 0)
goto error;
ret = cx23885_risc_databuffer(chip->pci, &buf->risc, dma->sglist,
chip->period_size, chip->num_periods, 1);
if (ret < 0)
goto error;
/* Loop back to start of program */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP|RISC_IRQ1|RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
chip->buf = buf;
chip->dma_risc = dma;
substream->runtime->dma_area = chip->dma_risc->vaddr;
substream->runtime->dma_bytes = chip->dma_size;
substream->runtime->dma_addr = 0;
return 0;
error:
kfree(buf);
return ret;
}
/*
* hw free callback
*/
static int snd_cx23885_hw_free(struct snd_pcm_substream *substream)
{
struct cx23885_audio_dev *chip = snd_pcm_substream_chip(substream);
if (substream->runtime->dma_area) {
dsp_buffer_free(chip);
substream->runtime->dma_area = NULL;
}
return 0;
}
/*
* prepare callback
*/
static int snd_cx23885_prepare(struct snd_pcm_substream *substream)
{
return 0;
}
/*
* trigger callback
*/
static int snd_cx23885_card_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct cx23885_audio_dev *chip = snd_pcm_substream_chip(substream);
int err;
/* Local interrupts are already disabled by ALSA */
spin_lock(&chip->lock);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
err = cx23885_start_audio_dma(chip);
break;
case SNDRV_PCM_TRIGGER_STOP:
err = cx23885_stop_audio_dma(chip);
break;
default:
err = -EINVAL;
break;
}
spin_unlock(&chip->lock);
return err;
}
/*
* pointer callback
*/
static snd_pcm_uframes_t snd_cx23885_pointer(
struct snd_pcm_substream *substream)
{
struct cx23885_audio_dev *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
u16 count;
count = atomic_read(&chip->count);
return runtime->period_size * (count & (runtime->periods-1));
}
/*
* page callback (needed for mmap)
*/
static struct page *snd_cx23885_page(struct snd_pcm_substream *substream,
unsigned long offset)
{
void *pageptr = substream->runtime->dma_area + offset;
return vmalloc_to_page(pageptr);
}
/*
* operators
*/
static struct snd_pcm_ops snd_cx23885_pcm_ops = {
.open = snd_cx23885_pcm_open,
.close = snd_cx23885_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_cx23885_hw_params,
.hw_free = snd_cx23885_hw_free,
.prepare = snd_cx23885_prepare,
.trigger = snd_cx23885_card_trigger,
.pointer = snd_cx23885_pointer,
.page = snd_cx23885_page,
};
/*
* create a PCM device
*/
static int snd_cx23885_pcm(struct cx23885_audio_dev *chip, int device,
char *name)
{
int err;
struct snd_pcm *pcm;
err = snd_pcm_new(chip->card, name, device, 0, 1, &pcm);
if (err < 0)
return err;
pcm->private_data = chip;
strcpy(pcm->name, name);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cx23885_pcm_ops);
return 0;
}
/****************************************************************************
Basic Flow for Sound Devices
****************************************************************************/
/*
* Alsa Constructor - Component probe
*/
struct cx23885_audio_dev *cx23885_audio_register(struct cx23885_dev *dev)
{
struct snd_card *card;
struct cx23885_audio_dev *chip;
int err;
if (disable_analog_audio)
return NULL;
if (dev->sram_channels[AUDIO_SRAM_CHANNEL].cmds_start == 0) {
printk(KERN_WARNING "%s(): Missing SRAM channel configuration "
"for analog TV Audio\n", __func__);
return NULL;
}
err = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
THIS_MODULE, sizeof(struct cx23885_audio_dev), &card);
if (err < 0)
goto error;
chip = (struct cx23885_audio_dev *) card->private_data;
chip->dev = dev;
chip->pci = dev->pci;
chip->card = card;
spin_lock_init(&chip->lock);
snd_card_set_dev(card, &dev->pci->dev);
err = snd_cx23885_pcm(chip, 0, "CX23885 Digital");
if (err < 0)
goto error;
strcpy(card->driver, "CX23885");
sprintf(card->shortname, "Conexant CX23885");
sprintf(card->longname, "%s at %s", card->shortname, dev->name);
err = snd_card_register(card);
if (err < 0)
goto error;
dprintk(0, "registered ALSA audio device\n");
return chip;
error:
snd_card_free(card);
printk(KERN_ERR "%s(): Failed to register analog "
"audio adapter\n", __func__);
return NULL;
}
/*
* ALSA destructor
*/
void cx23885_audio_unregister(struct cx23885_dev *dev)
{
struct cx23885_audio_dev *chip = dev->audio_dev;
snd_card_free(chip->card);
}

36
drivers/media/pci/cx23885/cx23885-av.c Normal file
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@@ -0,0 +1,36 @@
/*
* Driver for the Conexant CX23885/7/8 PCIe bridge
*
* AV device support routines - non-input, non-vl42_subdev routines
*
* Copyright (C) 2010 Andy Walls <awalls@md.metrocast.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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include "cx23885.h"
#include "cx23885-av.h"
void cx23885_av_work_handler(struct work_struct *work)
{
struct cx23885_dev *dev =
container_of(work, struct cx23885_dev, cx25840_work);
bool handled;
v4l2_subdev_call(dev->sd_cx25840, core, interrupt_service_routine,
PCI_MSK_AV_CORE, &handled);
cx23885_irq_enable(dev, PCI_MSK_AV_CORE);
}

27
drivers/media/pci/cx23885/cx23885-av.h Normal file
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@@ -0,0 +1,27 @@
/*
* Driver for the Conexant CX23885/7/8 PCIe bridge
*
* AV device support routines - non-input, non-vl42_subdev routines
*
* Copyright (C) 2010 Andy Walls <awalls@md.metrocast.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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#ifndef _CX23885_AV_H_
#define _CX23885_AV_H_
void cx23885_av_work_handler(struct work_struct *work);
#endif

1811
drivers/media/pci/cx23885/cx23885-cards.c Normal file
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File diff suppressed because it is too large Load Diff

2232
drivers/media/pci/cx23885/cx23885-core.c Normal file
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File diff suppressed because it is too large Load Diff

1448
drivers/media/pci/cx23885/cx23885-dvb.c Normal file
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File diff suppressed because it is too large Load Diff

178
drivers/media/pci/cx23885/cx23885-f300.c Normal file
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@@ -0,0 +1,178 @@
/*
* Driver for Silicon Labs C8051F300 microcontroller.
*
* It is used for LNB power control in TeVii S470,
* TBS 6920 PCIe DVB-S2 cards.
*
* Microcontroller connected to cx23885 GPIO pins:
* GPIO0 - data - P0.3 F300
* GPIO1 - reset - P0.2 F300
* GPIO2 - clk - P0.1 F300
* GPIO3 - busy - P0.0 F300
*
* Copyright (C) 2009 Igor M. Liplianin <liplianin@me.by>
*
* 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 "cx23885.h"
#include "cx23885-f300.h"
#define F300_DATA GPIO_0
#define F300_RESET GPIO_1
#define F300_CLK GPIO_2
#define F300_BUSY GPIO_3
static void f300_set_line(struct cx23885_dev *dev, u32 line, u8 lvl)
{
cx23885_gpio_enable(dev, line, 1);
if (lvl == 1)
cx23885_gpio_set(dev, line);
else
cx23885_gpio_clear(dev, line);
}
static u8 f300_get_line(struct cx23885_dev *dev, u32 line)
{
cx23885_gpio_enable(dev, line, 0);
return cx23885_gpio_get(dev, line);
}
static void f300_send_byte(struct cx23885_dev *dev, u8 dta)
{
u8 i;
for (i = 0; i < 8; i++) {
f300_set_line(dev, F300_CLK, 0);
udelay(30);
f300_set_line(dev, F300_DATA, (dta & 0x80) >> 7);/* msb first */
udelay(30);
dta <<= 1;
f300_set_line(dev, F300_CLK, 1);
udelay(30);
}
}
static u8 f300_get_byte(struct cx23885_dev *dev)
{
u8 i, dta = 0;
for (i = 0; i < 8; i++) {
f300_set_line(dev, F300_CLK, 0);
udelay(30);
dta <<= 1;
f300_set_line(dev, F300_CLK, 1);
udelay(30);
dta |= f300_get_line(dev, F300_DATA);/* msb first */
}
return dta;
}
static u8 f300_xfer(struct dvb_frontend *fe, u8 *buf)
{
struct cx23885_tsport *port = fe->dvb->priv;
struct cx23885_dev *dev = port->dev;
u8 i, temp, ret = 0;
temp = buf[0];
for (i = 0; i < buf[0]; i++)
temp += buf[i + 1];
temp = (~temp + 1);/* get check sum */
buf[1 + buf[0]] = temp;
f300_set_line(dev, F300_RESET, 1);
f300_set_line(dev, F300_CLK, 1);
udelay(30);
f300_set_line(dev, F300_DATA, 1);
msleep(1);
/* question: */
f300_set_line(dev, F300_RESET, 0);/* begin to send data */
msleep(1);
f300_send_byte(dev, 0xe0);/* the slave address is 0xe0, write */
msleep(1);
temp = buf[0];
temp += 2;
for (i = 0; i < temp; i++)
f300_send_byte(dev, buf[i]);
f300_set_line(dev, F300_RESET, 1);/* sent data over */
f300_set_line(dev, F300_DATA, 1);
/* answer: */
temp = 0;
for (i = 0; ((i < 8) & (temp == 0)); i++) {
msleep(1);
if (f300_get_line(dev, F300_BUSY) == 0)
temp = 1;
}
if (i > 7) {
printk(KERN_ERR "%s: timeout, the slave no response\n",
__func__);
ret = 1; /* timeout, the slave no response */
} else { /* the slave not busy, prepare for getting data */
f300_set_line(dev, F300_RESET, 0);/*ready...*/
msleep(1);
f300_send_byte(dev, 0xe1);/* 0xe1 is Read */
msleep(1);
temp = f300_get_byte(dev);/*get the data length */
if (temp > 14)
temp = 14;
for (i = 0; i < (temp + 1); i++)
f300_get_byte(dev);/* get data to empty buffer */
f300_set_line(dev, F300_RESET, 1);/* received data over */
f300_set_line(dev, F300_DATA, 1);
}
return ret;
}
int f300_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
{
u8 buf[16];
buf[0] = 0x05;
buf[1] = 0x38;/* write port */
buf[2] = 0x01;/* A port, lnb power */
switch (voltage) {
case SEC_VOLTAGE_13:
buf[3] = 0x01;/* power on */
buf[4] = 0x02;/* B port, H/V */
buf[5] = 0x00;/*13V v*/
break;
case SEC_VOLTAGE_18:
buf[3] = 0x01;
buf[4] = 0x02;
buf[5] = 0x01;/* 18V h*/
break;
case SEC_VOLTAGE_OFF:
buf[3] = 0x00;/* power off */
buf[4] = 0x00;
buf[5] = 0x00;
break;
}
return f300_xfer(fe, buf);
}

2
drivers/media/pci/cx23885/cx23885-f300.h Normal file
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@@ -0,0 +1,2 @@
extern int f300_set_voltage(struct dvb_frontend *fe,
fe_sec_voltage_t voltage);

396
drivers/media/pci/cx23885/cx23885-i2c.c Normal file
View File

@@ -0,0 +1,396 @@
/*
* Driver for the Conexant CX23885 PCIe bridge
*
* Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
*
* 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/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <asm/io.h>
#include "cx23885.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");
#define dprintk(level, fmt, arg...)\
do { if (i2c_debug >= level)\
printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
} while (0)
#define I2C_WAIT_DELAY 32
#define I2C_WAIT_RETRY 64
#define I2C_EXTEND (1 << 3)
#define I2C_NOSTOP (1 << 4)
static inline int i2c_slave_did_ack(struct i2c_adapter *i2c_adap)
{
struct cx23885_i2c *bus = i2c_adap->algo_data;
struct cx23885_dev *dev = bus->dev;
return cx_read(bus->reg_stat) & 0x01;
}
static inline int i2c_is_busy(struct i2c_adapter *i2c_adap)
{
struct cx23885_i2c *bus = i2c_adap->algo_data;
struct cx23885_dev *dev = bus->dev;
return cx_read(bus->reg_stat) & 0x02 ? 1 : 0;
}
static int i2c_wait_done(struct i2c_adapter *i2c_adap)
{
int count;
for (count = 0; count < I2C_WAIT_RETRY; count++) {
if (!i2c_is_busy(i2c_adap))
break;
udelay(I2C_WAIT_DELAY);
}
if (I2C_WAIT_RETRY == count)
return 0;
return 1;
}
static int i2c_sendbytes(struct i2c_adapter *i2c_adap,
const struct i2c_msg *msg, int joined_rlen)
{
struct cx23885_i2c *bus = i2c_adap->algo_data;
struct cx23885_dev *dev = bus->dev;
u32 wdata, addr, ctrl;
int retval, cnt;
if (joined_rlen)
dprintk(1, "%s(msg->wlen=%d, nextmsg->rlen=%d)\n", __func__,
msg->len, joined_rlen);
else
dprintk(1, "%s(msg->len=%d)\n", __func__, msg->len);
/* Deal with i2c probe functions with zero payload */
if (msg->len == 0) {
cx_write(bus->reg_addr, msg->addr << 25);
cx_write(bus->reg_ctrl, bus->i2c_period | (1 << 2));
if (!i2c_wait_done(i2c_adap))
return -EIO;
if (!i2c_slave_did_ack(i2c_adap))
return -ENXIO;
dprintk(1, "%s() returns 0\n", __func__);
return 0;
}
/* dev, reg + first byte */
addr = (msg->addr << 25) | msg->buf[0];
wdata = msg->buf[0];
ctrl = bus->i2c_period | (1 << 12) | (1 << 2);
if (msg->len > 1)
ctrl |= I2C_NOSTOP | I2C_EXTEND;
else if (joined_rlen)
ctrl |= I2C_NOSTOP;
cx_write(bus->reg_addr, addr);
cx_write(bus->reg_wdata, wdata);
cx_write(bus->reg_ctrl, ctrl);
if (!i2c_wait_done(i2c_adap))
goto eio;
if (i2c_debug) {
printk(" <W %02x %02x", msg->addr << 1, msg->buf[0]);
if (!(ctrl & I2C_NOSTOP))
printk(" >\n");
}
for (cnt = 1; cnt < msg->len; cnt++) {
/* following bytes */
wdata = msg->buf[cnt];
ctrl = bus->i2c_period | (1 << 12) | (1 << 2);
if (cnt < msg->len - 1)
ctrl |= I2C_NOSTOP | I2C_EXTEND;
else if (joined_rlen)
ctrl |= I2C_NOSTOP;
cx_write(bus->reg_addr, addr);
cx_write(bus->reg_wdata, wdata);
cx_write(bus->reg_ctrl, ctrl);
if (!i2c_wait_done(i2c_adap))
goto eio;
if (i2c_debug) {
dprintk(1, " %02x", msg->buf[cnt]);
if (!(ctrl & I2C_NOSTOP))
dprintk(1, " >\n");
}
}
return msg->len;
eio:
retval = -EIO;
if (i2c_debug)
printk(KERN_ERR " ERR: %d\n", retval);
return retval;
}
static int i2c_readbytes(struct i2c_adapter *i2c_adap,
const struct i2c_msg *msg, int joined)
{
struct cx23885_i2c *bus = i2c_adap->algo_data;
struct cx23885_dev *dev = bus->dev;
u32 ctrl, cnt;
int retval;
if (i2c_debug && !joined)
dprintk(1, "%s(msg->len=%d)\n", __func__, msg->len);
/* Deal with i2c probe functions with zero payload */
if (msg->len == 0) {
cx_write(bus->reg_addr, msg->addr << 25);
cx_write(bus->reg_ctrl, bus->i2c_period | (1 << 2) | 1);
if (!i2c_wait_done(i2c_adap))
return -EIO;
if (!i2c_slave_did_ack(i2c_adap))
return -ENXIO;
dprintk(1, "%s() returns 0\n", __func__);
return 0;
}
if (i2c_debug) {
if (joined)
dprintk(1, " R");
else
dprintk(1, " <R %02x", (msg->addr << 1) + 1);
}
for (cnt = 0; cnt < msg->len; cnt++) {
ctrl = bus->i2c_period | (1 << 12) | (1 << 2) | 1;
if (cnt < msg->len - 1)
ctrl |= I2C_NOSTOP | I2C_EXTEND;
cx_write(bus->reg_addr, msg->addr << 25);
cx_write(bus->reg_ctrl, ctrl);
if (!i2c_wait_done(i2c_adap))
goto eio;
msg->buf[cnt] = cx_read(bus->reg_rdata) & 0xff;
if (i2c_debug) {
dprintk(1, " %02x", msg->buf[cnt]);
if (!(ctrl & I2C_NOSTOP))
dprintk(1, " >\n");
}
}
return msg->len;
eio:
retval = -EIO;
if (i2c_debug)
printk(KERN_ERR " ERR: %d\n", retval);
return retval;
}
static int i2c_xfer(struct i2c_adapter *i2c_adap,
struct i2c_msg *msgs, int num)
{
struct cx23885_i2c *bus = i2c_adap->algo_data;
struct cx23885_dev *dev = bus->dev;
int i, retval = 0;
dprintk(1, "%s(num = %d)\n", __func__, num);
for (i = 0 ; i < num; i++) {
dprintk(1, "%s(num = %d) addr = 0x%02x len = 0x%x\n",
__func__, num, msgs[i].addr, msgs[i].len);
if (msgs[i].flags & I2C_M_RD) {
/* read */
retval = i2c_readbytes(i2c_adap, &msgs[i], 0);
} else if (i + 1 < num && (msgs[i + 1].flags & I2C_M_RD) &&
msgs[i].addr == msgs[i + 1].addr) {
/* write then read from same address */
retval = i2c_sendbytes(i2c_adap, &msgs[i],
msgs[i + 1].len);
if (retval < 0)
goto err;
i++;
retval = i2c_readbytes(i2c_adap, &msgs[i], 1);
} else {
/* write */
retval = i2c_sendbytes(i2c_adap, &msgs[i], 0);
}
if (retval < 0)
goto err;
}
return num;
err:
return retval;
}
static u32 cx23885_functionality(struct i2c_adapter *adap)
{
return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C;
}
static struct i2c_algorithm cx23885_i2c_algo_template = {
.master_xfer = i2c_xfer,
.functionality = cx23885_functionality,
};
/* ----------------------------------------------------------------------- */
static struct i2c_adapter cx23885_i2c_adap_template = {
.name = "cx23885",
.owner = THIS_MODULE,
.algo = &cx23885_i2c_algo_template,
};
static struct i2c_client cx23885_i2c_client_template = {
.name = "cx23885 internal",
};
static char *i2c_devs[128] = {
[0x10 >> 1] = "tda10048",
[0x12 >> 1] = "dib7000pc",
[0x1c >> 1] = "lgdt3303",
[0x86 >> 1] = "tda9887",
[0x32 >> 1] = "cx24227",
[0x88 >> 1] = "cx25837",
[0x84 >> 1] = "tda8295",
[0x98 >> 1] = "flatiron",
[0xa0 >> 1] = "eeprom",
[0xc0 >> 1] = "tuner/mt2131/tda8275",
[0xc2 >> 1] = "tuner/mt2131/tda8275/xc5000/xc3028",
[0xc8 >> 1] = "tuner/xc3028L",
};
static void do_i2c_scan(char *name, struct i2c_client *c)
{
unsigned char buf;
int i, rc;
for (i = 0; i < 128; i++) {
c->addr = i;
rc = i2c_master_recv(c, &buf, 0);
if (rc < 0)
continue;
printk(KERN_INFO "%s: i2c scan: found device @ 0x%x [%s]\n",
name, i << 1, i2c_devs[i] ? i2c_devs[i] : "???");
}
}
/* init + register i2c adapter */
int cx23885_i2c_register(struct cx23885_i2c *bus)
{
struct cx23885_dev *dev = bus->dev;
dprintk(1, "%s(bus = %d)\n", __func__, bus->nr);
bus->i2c_adap = cx23885_i2c_adap_template;
bus->i2c_client = cx23885_i2c_client_template;
bus->i2c_adap.dev.parent = &dev->pci->dev;
strlcpy(bus->i2c_adap.name, bus->dev->name,
sizeof(bus->i2c_adap.name));
bus->i2c_adap.algo_data = bus;
i2c_set_adapdata(&bus->i2c_adap, &dev->v4l2_dev);
i2c_add_adapter(&bus->i2c_adap);
bus->i2c_client.adapter = &bus->i2c_adap;
if (0 == bus->i2c_rc) {
dprintk(1, "%s: i2c bus %d registered\n", dev->name, bus->nr);
if (i2c_scan) {
printk(KERN_INFO "%s: scan bus %d:\n",
dev->name, bus->nr);
do_i2c_scan(dev->name, &bus->i2c_client);
}
} else
printk(KERN_WARNING "%s: i2c bus %d register FAILED\n",
dev->name, bus->nr);
/* Instantiate the IR receiver device, if present */
if (0 == bus->i2c_rc) {
struct i2c_board_info info;
const unsigned short addr_list[] = {
0x6b, I2C_CLIENT_END
};
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
/* Use quick read command for probe, some IR chips don't
* support writes */
i2c_new_probed_device(&bus->i2c_adap, &info, addr_list,
i2c_probe_func_quick_read);
}
return bus->i2c_rc;
}
int cx23885_i2c_unregister(struct cx23885_i2c *bus)
{
i2c_del_adapter(&bus->i2c_adap);
return 0;
}
void cx23885_av_clk(struct cx23885_dev *dev, int enable)
{
/* write 0 to bus 2 addr 0x144 via i2x_xfer() */
char buffer[3];
struct i2c_msg msg;
dprintk(1, "%s(enabled = %d)\n", __func__, enable);
/* Register 0x144 */
buffer[0] = 0x01;
buffer[1] = 0x44;
if (enable == 1)
buffer[2] = 0x05;
else
buffer[2] = 0x00;
msg.addr = 0x44;
msg.flags = I2C_M_TEN;
msg.len = 3;
msg.buf = buffer;
i2c_xfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
}
/* ----------------------------------------------------------------------- */
/*
* Local variables:
* c-basic-offset: 8
* End:
*/

375
drivers/media/pci/cx23885/cx23885-input.c Normal file
View File

@@ -0,0 +1,375 @@
/*
* Driver for the Conexant CX23885/7/8 PCIe bridge
*
* Infrared remote control input device
*
* Most of this file is
*
* Copyright (C) 2009 Andy Walls <awalls@md.metrocast.net>
*
* However, the cx23885_input_{init,fini} functions contained herein are
* derived from Linux kernel files linux/media/video/.../...-input.c marked as:
*
* Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
* Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it>
* Markus Rechberger <mrechberger@gmail.com>
* Mauro Carvalho Chehab <mchehab@infradead.org>
* Sascha Sommer <saschasommer@freenet.de>
* Copyright (C) 2004, 2005 Chris Pascoe
* Copyright (C) 2003, 2004 Gerd Knorr
* Copyright (C) 2003 Pavel Machek
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include <linux/slab.h>
#include <media/rc-core.h>
#include <media/v4l2-subdev.h>
#include "cx23885.h"
#include "cx23885-input.h"
#define MODULE_NAME "cx23885"
static void cx23885_input_process_measurements(struct cx23885_dev *dev,
bool overrun)
{
struct cx23885_kernel_ir *kernel_ir = dev->kernel_ir;
ssize_t num;
int count, i;
bool handle = false;
struct ir_raw_event ir_core_event[64];
do {
num = 0;
v4l2_subdev_call(dev->sd_ir, ir, rx_read, (u8 *) ir_core_event,
sizeof(ir_core_event), &num);
count = num / sizeof(struct ir_raw_event);
for (i = 0; i < count; i++) {
ir_raw_event_store(kernel_ir->rc,
&ir_core_event[i]);
handle = true;
}
} while (num != 0);
if (overrun)
ir_raw_event_reset(kernel_ir->rc);
else if (handle)
ir_raw_event_handle(kernel_ir->rc);
}
void cx23885_input_rx_work_handler(struct cx23885_dev *dev, u32 events)
{
struct v4l2_subdev_ir_parameters params;
int overrun, data_available;
if (dev->sd_ir == NULL || events == 0)
return;
switch (dev->board) {
case CX23885_BOARD_HAUPPAUGE_HVR1270:
case CX23885_BOARD_HAUPPAUGE_HVR1850:
case CX23885_BOARD_HAUPPAUGE_HVR1290:
case CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL:
case CX23885_BOARD_TEVII_S470:
case CX23885_BOARD_HAUPPAUGE_HVR1250:
case CX23885_BOARD_MYGICA_X8507:
/*
* The only boards we handle right now. However other boards
* using the CX2388x integrated IR controller should be similar
*/
break;
default:
return;
}
overrun = events & (V4L2_SUBDEV_IR_RX_SW_FIFO_OVERRUN |
V4L2_SUBDEV_IR_RX_HW_FIFO_OVERRUN);
data_available = events & (V4L2_SUBDEV_IR_RX_END_OF_RX_DETECTED |
V4L2_SUBDEV_IR_RX_FIFO_SERVICE_REQ);
if (overrun) {
/* If there was a FIFO overrun, stop the device */
v4l2_subdev_call(dev->sd_ir, ir, rx_g_parameters, &params);
params.enable = false;
/* Mitigate race with cx23885_input_ir_stop() */
params.shutdown = atomic_read(&dev->ir_input_stopping);
v4l2_subdev_call(dev->sd_ir, ir, rx_s_parameters, &params);
}
if (data_available)
cx23885_input_process_measurements(dev, overrun);
if (overrun) {
/* If there was a FIFO overrun, clear & restart the device */
params.enable = true;
/* Mitigate race with cx23885_input_ir_stop() */
params.shutdown = atomic_read(&dev->ir_input_stopping);
v4l2_subdev_call(dev->sd_ir, ir, rx_s_parameters, &params);
}
}
static int cx23885_input_ir_start(struct cx23885_dev *dev)
{
struct v4l2_subdev_ir_parameters params;
if (dev->sd_ir == NULL)
return -ENODEV;
atomic_set(&dev->ir_input_stopping, 0);
v4l2_subdev_call(dev->sd_ir, ir, rx_g_parameters, &params);
switch (dev->board) {
case CX23885_BOARD_HAUPPAUGE_HVR1270:
case CX23885_BOARD_HAUPPAUGE_HVR1850:
case CX23885_BOARD_HAUPPAUGE_HVR1290:
case CX23885_BOARD_HAUPPAUGE_HVR1250:
case CX23885_BOARD_MYGICA_X8507:
/*
* The IR controller on this board only returns pulse widths.
* Any other mode setting will fail to set up the device.
*/
params.mode = V4L2_SUBDEV_IR_MODE_PULSE_WIDTH;
params.enable = true;
params.interrupt_enable = true;
params.shutdown = false;
/* Setup for baseband compatible with both RC-5 and RC-6A */
params.modulation = false;
/* RC-5: 2,222,222 ns = 1/36 kHz * 32 cycles * 2 marks * 1.25*/
/* RC-6A: 3,333,333 ns = 1/36 kHz * 16 cycles * 6 marks * 1.25*/
params.max_pulse_width = 3333333; /* ns */
/* RC-5: 666,667 ns = 1/36 kHz * 32 cycles * 1 mark * 0.75 */
/* RC-6A: 333,333 ns = 1/36 kHz * 16 cycles * 1 mark * 0.75 */
params.noise_filter_min_width = 333333; /* ns */
/*
* This board has inverted receive sense:
* mark is received as low logic level;
* falling edges are detected as rising edges; etc.
*/
params.invert_level = true;
break;
case CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL:
case CX23885_BOARD_TEVII_S470:
/*
* The IR controller on this board only returns pulse widths.
* Any other mode setting will fail to set up the device.
*/
params.mode = V4L2_SUBDEV_IR_MODE_PULSE_WIDTH;
params.enable = true;
params.interrupt_enable = true;
params.shutdown = false;
/* Setup for a standard NEC protocol */
params.carrier_freq = 37917; /* Hz, 455 kHz/12 for NEC */
params.carrier_range_lower = 33000; /* Hz */
params.carrier_range_upper = 43000; /* Hz */
params.duty_cycle = 33; /* percent, 33 percent for NEC */
/*
* NEC max pulse width: (64/3)/(455 kHz/12) * 16 nec_units
* (64/3)/(455 kHz/12) * 16 nec_units * 1.375 = 12378022 ns
*/
params.max_pulse_width = 12378022; /* ns */
/*
* NEC noise filter min width: (64/3)/(455 kHz/12) * 1 nec_unit
* (64/3)/(455 kHz/12) * 1 nec_units * 0.625 = 351648 ns
*/
params.noise_filter_min_width = 351648; /* ns */
params.modulation = false;
params.invert_level = true;
break;
}
v4l2_subdev_call(dev->sd_ir, ir, rx_s_parameters, &params);
return 0;
}
static int cx23885_input_ir_open(struct rc_dev *rc)
{
struct cx23885_kernel_ir *kernel_ir = rc->priv;
if (kernel_ir->cx == NULL)
return -ENODEV;
return cx23885_input_ir_start(kernel_ir->cx);
}
static void cx23885_input_ir_stop(struct cx23885_dev *dev)
{
struct v4l2_subdev_ir_parameters params;
if (dev->sd_ir == NULL)
return;
/*
* Stop the sd_ir subdevice from generating notifications and
* scheduling work.
* It is shutdown this way in order to mitigate a race with
* cx23885_input_rx_work_handler() in the overrun case, which could
* re-enable the subdevice.
*/
atomic_set(&dev->ir_input_stopping, 1);
v4l2_subdev_call(dev->sd_ir, ir, rx_g_parameters, &params);
while (params.shutdown == false) {
params.enable = false;
params.interrupt_enable = false;
params.shutdown = true;
v4l2_subdev_call(dev->sd_ir, ir, rx_s_parameters, &params);
v4l2_subdev_call(dev->sd_ir, ir, rx_g_parameters, &params);
}
flush_work(&dev->cx25840_work);
flush_work(&dev->ir_rx_work);
flush_work(&dev->ir_tx_work);
}
static void cx23885_input_ir_close(struct rc_dev *rc)
{
struct cx23885_kernel_ir *kernel_ir = rc->priv;
if (kernel_ir->cx != NULL)
cx23885_input_ir_stop(kernel_ir->cx);
}
int cx23885_input_init(struct cx23885_dev *dev)
{
struct cx23885_kernel_ir *kernel_ir;
struct rc_dev *rc;
char *rc_map;
enum rc_driver_type driver_type;
unsigned long allowed_protos;
int ret;
/*
* If the IR device (hardware registers, chip, GPIO lines, etc.) isn't
* encapsulated in a v4l2_subdev, then I'm not going to deal with it.
*/
if (dev->sd_ir == NULL)
return -ENODEV;
switch (dev->board) {
case CX23885_BOARD_HAUPPAUGE_HVR1270:
case CX23885_BOARD_HAUPPAUGE_HVR1850:
case CX23885_BOARD_HAUPPAUGE_HVR1290:
case CX23885_BOARD_HAUPPAUGE_HVR1250:
/* Integrated CX2388[58] IR controller */
driver_type = RC_DRIVER_IR_RAW;
allowed_protos = RC_BIT_ALL;
/* The grey Hauppauge RC-5 remote */
rc_map = RC_MAP_HAUPPAUGE;
break;
case CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL:
/* Integrated CX23885 IR controller */
driver_type = RC_DRIVER_IR_RAW;
allowed_protos = RC_BIT_NEC;
/* The grey Terratec remote with orange buttons */
rc_map = RC_MAP_NEC_TERRATEC_CINERGY_XS;
break;
case CX23885_BOARD_TEVII_S470:
/* Integrated CX23885 IR controller */
driver_type = RC_DRIVER_IR_RAW;
allowed_protos = RC_BIT_ALL;
/* A guess at the remote */
rc_map = RC_MAP_TEVII_NEC;
break;
case CX23885_BOARD_MYGICA_X8507:
/* Integrated CX23885 IR controller */
driver_type = RC_DRIVER_IR_RAW;
allowed_protos = RC_BIT_ALL;
/* A guess at the remote */
rc_map = RC_MAP_TOTAL_MEDIA_IN_HAND_02;
break;
default:
return -ENODEV;
}
/* cx23885 board instance kernel IR state */
kernel_ir = kzalloc(sizeof(struct cx23885_kernel_ir), GFP_KERNEL);
if (kernel_ir == NULL)
return -ENOMEM;
kernel_ir->cx = dev;
kernel_ir->name = kasprintf(GFP_KERNEL, "cx23885 IR (%s)",
cx23885_boards[dev->board].name);
kernel_ir->phys = kasprintf(GFP_KERNEL, "pci-%s/ir0",
pci_name(dev->pci));
/* input device */
rc = rc_allocate_device();
if (!rc) {
ret = -ENOMEM;
goto err_out_free;
}
kernel_ir->rc = rc;
rc->input_name = kernel_ir->name;
rc->input_phys = kernel_ir->phys;
rc->input_id.bustype = BUS_PCI;
rc->input_id.version = 1;
if (dev->pci->subsystem_vendor) {
rc->input_id.vendor = dev->pci->subsystem_vendor;
rc->input_id.product = dev->pci->subsystem_device;
} else {
rc->input_id.vendor = dev->pci->vendor;
rc->input_id.product = dev->pci->device;
}
rc->dev.parent = &dev->pci->dev;
rc->driver_type = driver_type;
rc->allowed_protos = allowed_protos;
rc->priv = kernel_ir;
rc->open = cx23885_input_ir_open;
rc->close = cx23885_input_ir_close;
rc->map_name = rc_map;
rc->driver_name = MODULE_NAME;
/* Go */
dev->kernel_ir = kernel_ir;
ret = rc_register_device(rc);
if (ret)
goto err_out_stop;
return 0;
err_out_stop:
cx23885_input_ir_stop(dev);
dev->kernel_ir = NULL;
rc_free_device(rc);
err_out_free:
kfree(kernel_ir->phys);
kfree(kernel_ir->name);
kfree(kernel_ir);
return ret;
}
void cx23885_input_fini(struct cx23885_dev *dev)
{
/* Always stop the IR hardware from generating interrupts */
cx23885_input_ir_stop(dev);
if (dev->kernel_ir == NULL)
return;
rc_unregister_device(dev->kernel_ir->rc);
kfree(dev->kernel_ir->phys);
kfree(dev->kernel_ir->name);
kfree(dev->kernel_ir);
dev->kernel_ir = NULL;
}

30
drivers/media/pci/cx23885/cx23885-input.h Normal file
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@@ -0,0 +1,30 @@
/*
* Driver for the Conexant CX23885/7/8 PCIe bridge
*
* Infrared remote control input device
*
* Copyright (C) 2009 Andy Walls <awalls@md.metrocast.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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#ifndef _CX23885_INPUT_H_
#define _CX23885_INPUT_H_
void cx23885_input_rx_work_handler(struct cx23885_dev *dev, u32 events);
int cx23885_input_init(struct cx23885_dev *dev);
void cx23885_input_fini(struct cx23885_dev *dev);
#endif

207
drivers/media/pci/cx23885/cx23885-ioctl.c Normal file
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@@ -0,0 +1,207 @@
/*
* Driver for the Conexant CX23885/7/8 PCIe bridge
*
* Various common ioctl() support functions
*
* Copyright (c) 2009 Andy Walls <awalls@md.metrocast.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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx23885.h"
#include "cx23885-ioctl.h"
#include <media/v4l2-chip-ident.h>
int cx23885_g_chip_ident(struct file *file, void *fh,
struct v4l2_dbg_chip_ident *chip)
{
struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev;
int err = 0;
u8 rev;
chip->ident = V4L2_IDENT_NONE;
chip->revision = 0;
switch (chip->match.type) {
case V4L2_CHIP_MATCH_HOST:
switch (chip->match.addr) {
case 0:
rev = cx_read(RDR_CFG2) & 0xff;
switch (dev->pci->device) {
case 0x8852:
/* rev 0x04 could be '885 or '888. Pick '888. */
if (rev == 0x04)
chip->ident = V4L2_IDENT_CX23888;
else
chip->ident = V4L2_IDENT_CX23885;
break;
case 0x8880:
if (rev == 0x0e || rev == 0x0f)
chip->ident = V4L2_IDENT_CX23887;
else
chip->ident = V4L2_IDENT_CX23888;
break;
default:
chip->ident = V4L2_IDENT_UNKNOWN;
break;
}
chip->revision = (dev->pci->device << 16) | (rev << 8) |
(dev->hwrevision & 0xff);
break;
case 1:
if (dev->v4l_device != NULL) {
chip->ident = V4L2_IDENT_CX23417;
chip->revision = 0;
}
break;
case 2:
/*
* The integrated IR controller on the CX23888 is
* host chip 2. It may not be used/initialized or sd_ir
* may be pointing at the cx25840 subdevice for the
* IR controller on the CX23885. Thus we find it
* without using the dev->sd_ir pointer.
*/
call_hw(dev, CX23885_HW_888_IR, core, g_chip_ident,
chip);
break;
default:
err = -EINVAL; /* per V4L2 spec */
break;
}
break;
case V4L2_CHIP_MATCH_I2C_DRIVER:
/* If needed, returns V4L2_IDENT_AMBIGUOUS without extra work */
call_all(dev, core, g_chip_ident, chip);
break;
case V4L2_CHIP_MATCH_I2C_ADDR:
/*
* We could return V4L2_IDENT_UNKNOWN, but we don't do the work
* to look if a chip is at the address with no driver. That's a
* dangerous thing to do with EEPROMs anyway.
*/
call_all(dev, core, g_chip_ident, chip);
break;
default:
err = -EINVAL;
break;
}
return err;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int cx23885_g_host_register(struct cx23885_dev *dev,
struct v4l2_dbg_register *reg)
{
if ((reg->reg & 0x3) != 0 || reg->reg >= pci_resource_len(dev->pci, 0))
return -EINVAL;
reg->size = 4;
reg->val = cx_read(reg->reg);
return 0;
}
static int cx23417_g_register(struct cx23885_dev *dev,
struct v4l2_dbg_register *reg)
{
u32 value;
if (dev->v4l_device == NULL)
return -EINVAL;
if ((reg->reg & 0x3) != 0 || reg->reg >= 0x10000)
return -EINVAL;
if (mc417_register_read(dev, (u16) reg->reg, &value))
return -EINVAL; /* V4L2 spec, but -EREMOTEIO really */
reg->size = 4;
reg->val = value;
return 0;
}
int cx23885_g_register(struct file *file, void *fh,
struct v4l2_dbg_register *reg)
{
struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (reg->match.type == V4L2_CHIP_MATCH_HOST) {
switch (reg->match.addr) {
case 0:
return cx23885_g_host_register(dev, reg);
case 1:
return cx23417_g_register(dev, reg);
default:
break;
}
}
/* FIXME - any error returns should not be ignored */
call_all(dev, core, g_register, reg);
return 0;
}
static int cx23885_s_host_register(struct cx23885_dev *dev,
const struct v4l2_dbg_register *reg)
{
if ((reg->reg & 0x3) != 0 || reg->reg >= pci_resource_len(dev->pci, 0))
return -EINVAL;
cx_write(reg->reg, reg->val);
return 0;
}
static int cx23417_s_register(struct cx23885_dev *dev,
const struct v4l2_dbg_register *reg)
{
if (dev->v4l_device == NULL)
return -EINVAL;
if ((reg->reg & 0x3) != 0 || reg->reg >= 0x10000)
return -EINVAL;
if (mc417_register_write(dev, (u16) reg->reg, (u32) reg->val))
return -EINVAL; /* V4L2 spec, but -EREMOTEIO really */
return 0;
}
int cx23885_s_register(struct file *file, void *fh,
const struct v4l2_dbg_register *reg)
{
struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (reg->match.type == V4L2_CHIP_MATCH_HOST) {
switch (reg->match.addr) {
case 0:
return cx23885_s_host_register(dev, reg);
case 1:
return cx23417_s_register(dev, reg);
default:
break;
}
}
/* FIXME - any error returns should not be ignored */
call_all(dev, core, s_register, reg);
return 0;
}
#endif

39
drivers/media/pci/cx23885/cx23885-ioctl.h Normal file
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@@ -0,0 +1,39 @@
/*
* Driver for the Conexant CX23885/7/8 PCIe bridge
*
* Various common ioctl() support functions
*
* Copyright (c) 2009 Andy Walls <awalls@md.metrocast.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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _CX23885_IOCTL_H_
#define _CX23885_IOCTL_H_
int cx23885_g_chip_ident(struct file *file, void *fh,
struct v4l2_dbg_chip_ident *chip);
#ifdef CONFIG_VIDEO_ADV_DEBUG
int cx23885_g_register(struct file *file, void *fh,
struct v4l2_dbg_register *reg);
int cx23885_s_register(struct file *file, void *fh,
const struct v4l2_dbg_register *reg);
#endif
#endif

118
drivers/media/pci/cx23885/cx23885-ir.c Normal file
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@@ -0,0 +1,118 @@
/*
* Driver for the Conexant CX23885/7/8 PCIe bridge
*
* Infrared device support routines - non-input, non-vl42_subdev routines
*
* Copyright (C) 2009 Andy Walls <awalls@md.metrocast.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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include <media/v4l2-device.h>
#include "cx23885.h"
#include "cx23885-ir.h"
#include "cx23885-input.h"
#define CX23885_IR_RX_FIFO_SERVICE_REQ 0
#define CX23885_IR_RX_END_OF_RX_DETECTED 1
#define CX23885_IR_RX_HW_FIFO_OVERRUN 2
#define CX23885_IR_RX_SW_FIFO_OVERRUN 3
#define CX23885_IR_TX_FIFO_SERVICE_REQ 0
void cx23885_ir_rx_work_handler(struct work_struct *work)
{
struct cx23885_dev *dev =
container_of(work, struct cx23885_dev, ir_rx_work);
u32 events = 0;
unsigned long *notifications = &dev->ir_rx_notifications;
if (test_and_clear_bit(CX23885_IR_RX_SW_FIFO_OVERRUN, notifications))
events |= V4L2_SUBDEV_IR_RX_SW_FIFO_OVERRUN;
if (test_and_clear_bit(CX23885_IR_RX_HW_FIFO_OVERRUN, notifications))
events |= V4L2_SUBDEV_IR_RX_HW_FIFO_OVERRUN;
if (test_and_clear_bit(CX23885_IR_RX_END_OF_RX_DETECTED, notifications))
events |= V4L2_SUBDEV_IR_RX_END_OF_RX_DETECTED;
if (test_and_clear_bit(CX23885_IR_RX_FIFO_SERVICE_REQ, notifications))
events |= V4L2_SUBDEV_IR_RX_FIFO_SERVICE_REQ;
if (events == 0)
return;
if (dev->kernel_ir)
cx23885_input_rx_work_handler(dev, events);
}
void cx23885_ir_tx_work_handler(struct work_struct *work)
{
struct cx23885_dev *dev =
container_of(work, struct cx23885_dev, ir_tx_work);
u32 events = 0;
unsigned long *notifications = &dev->ir_tx_notifications;
if (test_and_clear_bit(CX23885_IR_TX_FIFO_SERVICE_REQ, notifications))
events |= V4L2_SUBDEV_IR_TX_FIFO_SERVICE_REQ;
if (events == 0)
return;
}
/* Possibly called in an IRQ context */
void cx23885_ir_rx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events)
{
struct cx23885_dev *dev = to_cx23885(sd->v4l2_dev);
unsigned long *notifications = &dev->ir_rx_notifications;
if (events & V4L2_SUBDEV_IR_RX_FIFO_SERVICE_REQ)
set_bit(CX23885_IR_RX_FIFO_SERVICE_REQ, notifications);
if (events & V4L2_SUBDEV_IR_RX_END_OF_RX_DETECTED)
set_bit(CX23885_IR_RX_END_OF_RX_DETECTED, notifications);
if (events & V4L2_SUBDEV_IR_RX_HW_FIFO_OVERRUN)
set_bit(CX23885_IR_RX_HW_FIFO_OVERRUN, notifications);
if (events & V4L2_SUBDEV_IR_RX_SW_FIFO_OVERRUN)
set_bit(CX23885_IR_RX_SW_FIFO_OVERRUN, notifications);
/*
* For the integrated AV core, we are already in a workqueue context.
* For the CX23888 integrated IR, we are in an interrupt context.
*/
if (sd == dev->sd_cx25840)
cx23885_ir_rx_work_handler(&dev->ir_rx_work);
else
schedule_work(&dev->ir_rx_work);
}
/* Possibly called in an IRQ context */
void cx23885_ir_tx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events)
{
struct cx23885_dev *dev = to_cx23885(sd->v4l2_dev);
unsigned long *notifications = &dev->ir_tx_notifications;
if (events & V4L2_SUBDEV_IR_TX_FIFO_SERVICE_REQ)
set_bit(CX23885_IR_TX_FIFO_SERVICE_REQ, notifications);
/*
* For the integrated AV core, we are already in a workqueue context.
* For the CX23888 integrated IR, we are in an interrupt context.
*/
if (sd == dev->sd_cx25840)
cx23885_ir_tx_work_handler(&dev->ir_tx_work);
else
schedule_work(&dev->ir_tx_work);
}

31
drivers/media/pci/cx23885/cx23885-ir.h Normal file
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@@ -0,0 +1,31 @@
/*
* Driver for the Conexant CX23885/7/8 PCIe bridge
*
* Infrared device support routines - non-input, non-vl42_subdev routines
*
* Copyright (C) 2009 Andy Walls <awalls@md.metrocast.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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#ifndef _CX23885_IR_H_
#define _CX23885_IR_H_
void cx23885_ir_rx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events);
void cx23885_ir_tx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events);
void cx23885_ir_rx_work_handler(struct work_struct *work);
void cx23885_ir_tx_work_handler(struct work_struct *work);
#endif

452
drivers/media/pci/cx23885/cx23885-reg.h Normal file
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@@ -0,0 +1,452 @@
/*
* Driver for the Conexant CX23885 PCIe bridge
*
* Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
*
* 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.
*/
#ifndef _CX23885_REG_H_
#define _CX23885_REG_H_
/*
Address Map
0x00000000 -> 0x00009000 TX SRAM (Fifos)
0x00010000 -> 0x00013c00 RX SRAM CMDS + CDT
EACH CMDS struct is 0x80 bytes long
DMAx_PTR1 = 0x03040 address of first cluster
DMAx_PTR2 = 0x10600 address of the CDT
DMAx_CNT1 = cluster size in (bytes >> 4) -1
DMAx_CNT2 = total cdt size for all entries >> 3
Cluster Descriptor entry = 4 DWORDS
DWORD 0 -> ptr to cluster
DWORD 1 Reserved
DWORD 2 Reserved
DWORD 3 Reserved
Channel manager Data Structure entry = 20 DWORD
0 IntialProgramCounterLow
1 IntialProgramCounterHigh
2 ClusterDescriptorTableBase
3 ClusterDescriptorTableSize
4 InstructionQueueBase
5 InstructionQueueSize
... Reserved
19 Reserved
*/
/* Risc Instructions */
#define RISC_CNT_INC 0x00010000
#define RISC_CNT_RESET 0x00030000
#define RISC_IRQ1 0x01000000
#define RISC_IRQ2 0x02000000
#define RISC_EOL 0x04000000
#define RISC_SOL 0x08000000
#define RISC_WRITE 0x10000000
#define RISC_SKIP 0x20000000
#define RISC_JUMP 0x70000000
#define RISC_SYNC 0x80000000
#define RISC_RESYNC 0x80008000
#define RISC_READ 0x90000000
#define RISC_WRITERM 0xB0000000
#define RISC_WRITECM 0xC0000000
#define RISC_WRITECR 0xD0000000
#define RISC_WRITEC 0x50000000
#define RISC_READC 0xA0000000
/* Audio and Video Core */
#define HOST_REG1 0x00000000
#define HOST_REG2 0x00000001
#define HOST_REG3 0x00000002
/* Chip Configuration Registers */
#define CHIP_CTRL 0x00000100
#define AFE_CTRL 0x00000104
#define VID_PLL_INT_POST 0x00000108
#define VID_PLL_FRAC 0x0000010C
#define AUX_PLL_INT_POST 0x00000110
#define AUX_PLL_FRAC 0x00000114
#define SYS_PLL_INT_POST 0x00000118
#define SYS_PLL_FRAC 0x0000011C
#define PIN_CTRL 0x00000120
#define AUD_IO_CTRL 0x00000124
#define AUD_LOCK1 0x00000128
#define AUD_LOCK2 0x0000012C
#define POWER_CTRL 0x00000130
#define AFE_DIAG_CTRL1 0x00000134
#define AFE_DIAG_CTRL3 0x0000013C
#define PLL_DIAG_CTRL 0x00000140
#define AFE_CLK_OUT_CTRL 0x00000144
#define DLL1_DIAG_CTRL 0x0000015C
/* GPIO[23:19] Output Enable */
#define GPIO2_OUT_EN_REG 0x00000160
/* GPIO[23:19] Data Registers */
#define GPIO2 0x00000164
#define IFADC_CTRL 0x00000180
/* Infrared Remote Registers */
#define IR_CNTRL_REG 0x00000200
#define IR_TXCLK_REG 0x00000204
#define IR_RXCLK_REG 0x00000208
#define IR_CDUTY_REG 0x0000020C
#define IR_STAT_REG 0x00000210
#define IR_IRQEN_REG 0x00000214
#define IR_FILTR_REG 0x00000218
#define IR_FIFO_REG 0x0000023C
/* Video Decoder Registers */
#define MODE_CTRL 0x00000400
#define OUT_CTRL1 0x00000404
#define OUT_CTRL2 0x00000408
#define GEN_STAT 0x0000040C
#define INT_STAT_MASK 0x00000410
#define LUMA_CTRL 0x00000414
#define HSCALE_CTRL 0x00000418
#define VSCALE_CTRL 0x0000041C
#define CHROMA_CTRL 0x00000420
#define VBI_LINE_CTRL1 0x00000424
#define VBI_LINE_CTRL2 0x00000428
#define VBI_LINE_CTRL3 0x0000042C
#define VBI_LINE_CTRL4 0x00000430
#define VBI_LINE_CTRL5 0x00000434
#define VBI_FC_CFG 0x00000438
#define VBI_MISC_CFG1 0x0000043C
#define VBI_MISC_CFG2 0x00000440
#define VBI_PAY1 0x00000444
#define VBI_PAY2 0x00000448
#define VBI_CUST1_CFG1 0x0000044C
#define VBI_CUST1_CFG2 0x00000450
#define VBI_CUST1_CFG3 0x00000454
#define VBI_CUST2_CFG1 0x00000458
#define VBI_CUST2_CFG2 0x0000045C
#define VBI_CUST2_CFG3 0x00000460
#define VBI_CUST3_CFG1 0x00000464
#define VBI_CUST3_CFG2 0x00000468
#define VBI_CUST3_CFG3 0x0000046C
#define HORIZ_TIM_CTRL 0x00000470
#define VERT_TIM_CTRL 0x00000474
#define SRC_COMB_CFG 0x00000478
#define CHROMA_VBIOFF_CFG 0x0000047C
#define FIELD_COUNT 0x00000480
#define MISC_TIM_CTRL 0x00000484
#define DFE_CTRL1 0x00000488
#define DFE_CTRL2 0x0000048C
#define DFE_CTRL3 0x00000490
#define PLL_CTRL 0x00000494
#define HTL_CTRL 0x00000498
#define COMB_CTRL 0x0000049C
#define CRUSH_CTRL 0x000004A0
#define SOFT_RST_CTRL 0x000004A4
#define CX885_VERSION 0x000004B4
#define VBI_PASS_CTRL 0x000004BC
/* Audio Decoder Registers */
/* 8051 Configuration */
#define DL_CTL 0x00000800
#define STD_DET_STATUS 0x00000804
#define STD_DET_CTL 0x00000808
#define DW8051_INT 0x0000080C
#define GENERAL_CTL 0x00000810
#define AAGC_CTL 0x00000814
#define DEMATRIX_CTL 0x000008CC
#define PATH1_CTL1 0x000008D0
#define PATH1_VOL_CTL 0x000008D4
#define PATH1_EQ_CTL 0x000008D8
#define PATH1_SC_CTL 0x000008DC
#define PATH2_CTL1 0x000008E0
#define PATH2_VOL_CTL 0x000008E4
#define PATH2_EQ_CTL 0x000008E8
#define PATH2_SC_CTL 0x000008EC
/* Sample Rate Converter */
#define SRC_CTL 0x000008F0
#define SRC_LF_COEF 0x000008F4
#define SRC1_CTL 0x000008F8
#define SRC2_CTL 0x000008FC
#define SRC3_CTL 0x00000900
#define SRC4_CTL 0x00000904
#define SRC5_CTL 0x00000908
#define SRC6_CTL 0x0000090C
#define BAND_OUT_SEL 0x00000910
#define I2S_N_CTL 0x00000914
#define I2S_OUT_CTL 0x00000918
#define AUTOCONFIG_REG 0x000009C4
/* Audio ADC Registers */
#define DSM_CTRL1 0x00000000
#define DSM_CTRL2 0x00000001
#define CHP_EN_CTRL 0x00000002
#define CHP_CLK_CTRL1 0x00000004
#define CHP_CLK_CTRL2 0x00000005
#define BG_REF_CTRL 0x00000006
#define SD2_SW_CTRL1 0x00000008
#define SD2_SW_CTRL2 0x00000009
#define SD2_BIAS_CTRL 0x0000000A
#define AMP_BIAS_CTRL 0x0000000C
#define CH_PWR_CTRL1 0x0000000E
#define FLD_CH_SEL (1 << 3)
#define CH_PWR_CTRL2 0x0000000F
#define DSM_STATUS1 0x00000010
#define DSM_STATUS2 0x00000011
#define DIG_CTL1 0x00000012
#define DIG_CTL2 0x00000013
#define I2S_TX_CFG 0x0000001A
#define DEV_CNTRL2 0x00040000
#define PCI_MSK_IR (1 << 28)
#define PCI_MSK_AV_CORE (1 << 27)
#define PCI_MSK_GPIO1 (1 << 24)
#define PCI_MSK_GPIO0 (1 << 23)
#define PCI_MSK_APB_DMA (1 << 12)
#define PCI_MSK_AL_WR (1 << 11)
#define PCI_MSK_AL_RD (1 << 10)
#define PCI_MSK_RISC_WR (1 << 9)
#define PCI_MSK_RISC_RD (1 << 8)
#define PCI_MSK_AUD_EXT (1 << 4)
#define PCI_MSK_AUD_INT (1 << 3)
#define PCI_MSK_VID_C (1 << 2)
#define PCI_MSK_VID_B (1 << 1)
#define PCI_MSK_VID_A 1
#define PCI_INT_MSK 0x00040010
#define PCI_INT_STAT 0x00040014
#define PCI_INT_MSTAT 0x00040018
#define VID_A_INT_MSK 0x00040020
#define VID_A_INT_STAT 0x00040024
#define VID_A_INT_MSTAT 0x00040028
#define VID_A_INT_SSTAT 0x0004002C
#define VID_B_INT_MSK 0x00040030
#define VID_B_MSK_BAD_PKT (1 << 20)
#define VID_B_MSK_VBI_OPC_ERR (1 << 17)
#define VID_B_MSK_OPC_ERR (1 << 16)
#define VID_B_MSK_VBI_SYNC (1 << 13)
#define VID_B_MSK_SYNC (1 << 12)
#define VID_B_MSK_VBI_OF (1 << 9)
#define VID_B_MSK_OF (1 << 8)
#define VID_B_MSK_VBI_RISCI2 (1 << 5)
#define VID_B_MSK_RISCI2 (1 << 4)
#define VID_B_MSK_VBI_RISCI1 (1 << 1)
#define VID_B_MSK_RISCI1 1
#define VID_B_INT_STAT 0x00040034
#define VID_B_INT_MSTAT 0x00040038
#define VID_B_INT_SSTAT 0x0004003C
#define VID_B_MSK_BAD_PKT (1 << 20)
#define VID_B_MSK_OPC_ERR (1 << 16)
#define VID_B_MSK_SYNC (1 << 12)
#define VID_B_MSK_OF (1 << 8)
#define VID_B_MSK_RISCI2 (1 << 4)
#define VID_B_MSK_RISCI1 1
#define VID_C_MSK_BAD_PKT (1 << 20)
#define VID_C_MSK_OPC_ERR (1 << 16)
#define VID_C_MSK_SYNC (1 << 12)
#define VID_C_MSK_OF (1 << 8)
#define VID_C_MSK_RISCI2 (1 << 4)
#define VID_C_MSK_RISCI1 1
/* A superset for testing purposes */
#define VID_BC_MSK_BAD_PKT (1 << 20)
#define VID_BC_MSK_OPC_ERR (1 << 16)
#define VID_BC_MSK_SYNC (1 << 12)
#define VID_BC_MSK_OF (1 << 8)
#define VID_BC_MSK_VBI_RISCI2 (1 << 5)
#define VID_BC_MSK_RISCI2 (1 << 4)
#define VID_BC_MSK_VBI_RISCI1 (1 << 1)
#define VID_BC_MSK_RISCI1 1
#define VID_C_INT_MSK 0x00040040
#define VID_C_INT_STAT 0x00040044
#define VID_C_INT_MSTAT 0x00040048
#define VID_C_INT_SSTAT 0x0004004C
#define AUDIO_INT_INT_MSK 0x00040050
#define AUDIO_INT_INT_STAT 0x00040054
#define AUDIO_INT_INT_MSTAT 0x00040058
#define AUDIO_INT_INT_SSTAT 0x0004005C
#define AUDIO_EXT_INT_MSK 0x00040060
#define AUDIO_EXT_INT_STAT 0x00040064
#define AUDIO_EXT_INT_MSTAT 0x00040068
#define AUDIO_EXT_INT_SSTAT 0x0004006C
#define RDR_CFG0 0x00050000
#define RDR_CFG1 0x00050004
#define RDR_CFG2 0x00050008
#define RDR_RDRCTL1 0x0005030c
#define RDR_TLCTL0 0x00050318
/* APB DMAC Current Buffer Pointer */
#define DMA1_PTR1 0x00100000
#define DMA2_PTR1 0x00100004
#define DMA3_PTR1 0x00100008
#define DMA4_PTR1 0x0010000C
#define DMA5_PTR1 0x00100010
#define DMA6_PTR1 0x00100014
#define DMA7_PTR1 0x00100018
#define DMA8_PTR1 0x0010001C
/* APB DMAC Current Table Pointer */
#define DMA1_PTR2 0x00100040
#define DMA2_PTR2 0x00100044
#define DMA3_PTR2 0x00100048
#define DMA4_PTR2 0x0010004C
#define DMA5_PTR2 0x00100050
#define DMA6_PTR2 0x00100054
#define DMA7_PTR2 0x00100058
#define DMA8_PTR2 0x0010005C
/* APB DMAC Buffer Limit */
#define DMA1_CNT1 0x00100080
#define DMA2_CNT1 0x00100084
#define DMA3_CNT1 0x00100088
#define DMA4_CNT1 0x0010008C
#define DMA5_CNT1 0x00100090
#define DMA6_CNT1 0x00100094
#define DMA7_CNT1 0x00100098
#define DMA8_CNT1 0x0010009C
/* APB DMAC Table Size */
#define DMA1_CNT2 0x001000C0
#define DMA2_CNT2 0x001000C4
#define DMA3_CNT2 0x001000C8
#define DMA4_CNT2 0x001000CC
#define DMA5_CNT2 0x001000D0
#define DMA6_CNT2 0x001000D4
#define DMA7_CNT2 0x001000D8
#define DMA8_CNT2 0x001000DC
/* Timer Counters */
#define TM_CNT_LDW 0x00110000
#define TM_CNT_UW 0x00110004
#define TM_LMT_LDW 0x00110008
#define TM_LMT_UW 0x0011000C
/* GPIO */
#define GP0_IO 0x00110010
#define GPIO_ISM 0x00110014
#define SOFT_RESET 0x0011001C
/* GPIO (417 Microsoftcontroller) RW Data */
#define MC417_RWD 0x00110020
/* GPIO (417 Microsoftcontroller) Output Enable, Low Active */
#define MC417_OEN 0x00110024
#define MC417_CTL 0x00110028
#define ALT_PIN_OUT_SEL 0x0011002C
#define CLK_DELAY 0x00110048
#define PAD_CTRL 0x0011004C
/* Video A Interface */
#define VID_A_GPCNT 0x00130020
#define VBI_A_GPCNT 0x00130024
#define VID_A_GPCNT_CTL 0x00130030
#define VBI_A_GPCNT_CTL 0x00130034
#define VID_A_DMA_CTL 0x00130040
#define VID_A_VIP_CTRL 0x00130080
#define VID_A_PIXEL_FRMT 0x00130084
#define VID_A_VBI_CTRL 0x00130088
/* Video B Interface */
#define VID_B_DMA 0x00130100
#define VBI_B_DMA 0x00130108
#define VID_B_GPCNT 0x00130120
#define VBI_B_GPCNT 0x00130124
#define VID_B_GPCNT_CTL 0x00130134
#define VBI_B_GPCNT_CTL 0x00130138
#define VID_B_DMA_CTL 0x00130140
#define VID_B_SRC_SEL 0x00130144
#define VID_B_LNGTH 0x00130150
#define VID_B_HW_SOP_CTL 0x00130154
#define VID_B_GEN_CTL 0x00130158
#define VID_B_BD_PKT_STATUS 0x0013015C
#define VID_B_SOP_STATUS 0x00130160
#define VID_B_FIFO_OVFL_STAT 0x00130164
#define VID_B_VLD_MISC 0x00130168
#define VID_B_TS_CLK_EN 0x0013016C
#define VID_B_VIP_CTRL 0x00130180
#define VID_B_PIXEL_FRMT 0x00130184
/* Video C Interface */
#define VID_C_GPCNT 0x00130220
#define VID_C_GPCNT_CTL 0x00130230
#define VBI_C_GPCNT_CTL 0x00130234
#define VID_C_DMA_CTL 0x00130240
#define VID_C_LNGTH 0x00130250
#define VID_C_HW_SOP_CTL 0x00130254
#define VID_C_GEN_CTL 0x00130258
#define VID_C_BD_PKT_STATUS 0x0013025C
#define VID_C_SOP_STATUS 0x00130260
#define VID_C_FIFO_OVFL_STAT 0x00130264
#define VID_C_VLD_MISC 0x00130268
#define VID_C_TS_CLK_EN 0x0013026C
/* Internal Audio Interface */
#define AUD_INT_A_GPCNT 0x00140020
#define AUD_INT_B_GPCNT 0x00140024
#define AUD_INT_A_GPCNT_CTL 0x00140030
#define AUD_INT_B_GPCNT_CTL 0x00140034
#define AUD_INT_DMA_CTL 0x00140040
#define AUD_INT_A_LNGTH 0x00140050
#define AUD_INT_B_LNGTH 0x00140054
#define AUD_INT_A_MODE 0x00140058
#define AUD_INT_B_MODE 0x0014005C
/* External Audio Interface */
#define AUD_EXT_DMA 0x00140100
#define AUD_EXT_GPCNT 0x00140120
#define AUD_EXT_GPCNT_CTL 0x00140130
#define AUD_EXT_DMA_CTL 0x00140140
#define AUD_EXT_LNGTH 0x00140150
#define AUD_EXT_A_MODE 0x00140158
/* I2C Bus 1 */
#define I2C1_ADDR 0x00180000
#define I2C1_WDATA 0x00180004
#define I2C1_CTRL 0x00180008
#define I2C1_RDATA 0x0018000C
#define I2C1_STAT 0x00180010
/* I2C Bus 2 */
#define I2C2_ADDR 0x00190000
#define I2C2_WDATA 0x00190004
#define I2C2_CTRL 0x00190008
#define I2C2_RDATA 0x0019000C
#define I2C2_STAT 0x00190010
/* I2C Bus 3 */
#define I2C3_ADDR 0x001A0000
#define I2C3_WDATA 0x001A0004
#define I2C3_CTRL 0x001A0008
#define I2C3_RDATA 0x001A000C
#define I2C3_STAT 0x001A0010
/* UART */
#define UART_CTL 0x001B0000
#define UART_BRD 0x001B0004
#define UART_ISR 0x001B000C
#define UART_CNT 0x001B0010
#endif /* _CX23885_REG_H_ */

295
drivers/media/pci/cx23885/cx23885-vbi.c Normal file
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/*
* Driver for the Conexant CX23885 PCIe bridge
*
* Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
*
* 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/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include "cx23885.h"
static unsigned int vbibufs = 4;
module_param(vbibufs, int, 0644);
MODULE_PARM_DESC(vbibufs, "number of vbi buffers, range 2-32");
static unsigned int vbi_debug;
module_param(vbi_debug, int, 0644);
MODULE_PARM_DESC(vbi_debug, "enable debug messages [vbi]");
#define dprintk(level, fmt, arg...)\
do { if (vbi_debug >= level)\
printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
} while (0)
/* ------------------------------------------------------------------ */
#define VBI_LINE_LENGTH 1440
#define NTSC_VBI_START_LINE 10 /* line 10 - 21 */
#define NTSC_VBI_END_LINE 21
#define NTSC_VBI_LINES (NTSC_VBI_END_LINE - NTSC_VBI_START_LINE + 1)
int cx23885_vbi_fmt(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx23885_fh *fh = priv;
struct cx23885_dev *dev = fh->dev;
if (dev->tvnorm & V4L2_STD_525_60) {
/* ntsc */
f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
f->fmt.vbi.sampling_rate = 27000000;
f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
f->fmt.vbi.offset = 0;
f->fmt.vbi.flags = 0;
f->fmt.vbi.start[0] = 10;
f->fmt.vbi.count[0] = 17;
f->fmt.vbi.start[1] = 263 + 10 + 1;
f->fmt.vbi.count[1] = 17;
} else if (dev->tvnorm & V4L2_STD_625_50) {
/* pal */
f->fmt.vbi.sampling_rate = 35468950;
f->fmt.vbi.start[0] = 7 - 1;
f->fmt.vbi.start[1] = 319 - 1;
}
return 0;
}
/* We're given the Video Interrupt status register.
* The cx23885_video_irq() func has already validated
* the potential error bits, we just need to
* deal with vbi payload and return indication if
* we actually processed any payload.
*/
int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status)
{
u32 count;
int handled = 0;
if (status & VID_BC_MSK_VBI_RISCI1) {
dprintk(1, "%s() VID_BC_MSK_VBI_RISCI1\n", __func__);
spin_lock(&dev->slock);
count = cx_read(VID_A_GPCNT);
cx23885_video_wakeup(dev, &dev->vbiq, count);
spin_unlock(&dev->slock);
handled++;
}
if (status & VID_BC_MSK_VBI_RISCI2) {
dprintk(1, "%s() VID_BC_MSK_VBI_RISCI2\n", __func__);
dprintk(2, "stopper vbi\n");
spin_lock(&dev->slock);
cx23885_restart_vbi_queue(dev, &dev->vbiq);
spin_unlock(&dev->slock);
handled++;
}
return handled;
}
static int cx23885_start_vbi_dma(struct cx23885_dev *dev,
struct cx23885_dmaqueue *q,
struct cx23885_buffer *buf)
{
dprintk(1, "%s()\n", __func__);
/* setup fifo + format */
cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH02],
buf->vb.width, buf->risc.dma);
/* reset counter */
cx_write(VID_A_GPCNT_CTL, 3);
cx_write(VID_A_VBI_CTRL, 3);
cx_write(VBI_A_GPCNT_CTL, 3);
q->count = 1;
/* enable irq */
cx23885_irq_add_enable(dev, 0x01);
cx_set(VID_A_INT_MSK, 0x000022);
/* start dma */
cx_set(DEV_CNTRL2, (1<<5));
cx_set(VID_A_DMA_CTL, 0x22); /* FIFO and RISC enable */
return 0;
}
int cx23885_restart_vbi_queue(struct cx23885_dev *dev,
struct cx23885_dmaqueue *q)
{
struct cx23885_buffer *buf;
struct list_head *item;
if (list_empty(&q->active))
return 0;
buf = list_entry(q->active.next, struct cx23885_buffer, vb.queue);
dprintk(2, "restart_queue [%p/%d]: restart dma\n",
buf, buf->vb.i);
cx23885_start_vbi_dma(dev, q, buf);
list_for_each(item, &q->active) {
buf = list_entry(item, struct cx23885_buffer, vb.queue);
buf->count = q->count++;
}
mod_timer(&q->timeout, jiffies + (BUFFER_TIMEOUT / 30));
return 0;
}
void cx23885_vbi_timeout(unsigned long data)
{
struct cx23885_dev *dev = (struct cx23885_dev *)data;
struct cx23885_dmaqueue *q = &dev->vbiq;
struct cx23885_buffer *buf;
unsigned long flags;
/* Stop the VBI engine */
cx_clear(VID_A_DMA_CTL, 0x22);
spin_lock_irqsave(&dev->slock, flags);
while (!list_empty(&q->active)) {
buf = list_entry(q->active.next, struct cx23885_buffer,
vb.queue);
list_del(&buf->vb.queue);
buf->vb.state = VIDEOBUF_ERROR;
wake_up(&buf->vb.done);
printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", dev->name,
buf, buf->vb.i, (unsigned long)buf->risc.dma);
}
cx23885_restart_vbi_queue(dev, q);
spin_unlock_irqrestore(&dev->slock, flags);
}
/* ------------------------------------------------------------------ */
#define VBI_LINE_LENGTH 1440
#define VBI_LINE_COUNT 17
static int
vbi_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
{
*size = VBI_LINE_COUNT * VBI_LINE_LENGTH * 2;
if (0 == *count)
*count = vbibufs;
if (*count < 2)
*count = 2;
if (*count > 32)
*count = 32;
return 0;
}
static int
vbi_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
enum v4l2_field field)
{
struct cx23885_fh *fh = q->priv_data;
struct cx23885_dev *dev = fh->dev;
struct cx23885_buffer *buf = container_of(vb,
struct cx23885_buffer, vb);
struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
unsigned int size;
int rc;
size = VBI_LINE_COUNT * VBI_LINE_LENGTH * 2;
if (0 != buf->vb.baddr && buf->vb.bsize < size)
return -EINVAL;
if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
buf->vb.width = VBI_LINE_LENGTH;
buf->vb.height = VBI_LINE_COUNT;
buf->vb.size = size;
buf->vb.field = V4L2_FIELD_SEQ_TB;
rc = videobuf_iolock(q, &buf->vb, NULL);
if (0 != rc)
goto fail;
cx23885_risc_vbibuffer(dev->pci, &buf->risc,
dma->sglist,
0, buf->vb.width * buf->vb.height,
buf->vb.width, 0,
buf->vb.height);
}
buf->vb.state = VIDEOBUF_PREPARED;
return 0;
fail:
cx23885_free_buffer(q, buf);
return rc;
}
static void
vbi_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx23885_buffer *buf =
container_of(vb, struct cx23885_buffer, vb);
struct cx23885_buffer *prev;
struct cx23885_fh *fh = vq->priv_data;
struct cx23885_dev *dev = fh->dev;
struct cx23885_dmaqueue *q = &dev->vbiq;
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx23885_start_vbi_dma(dev, q, buf);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + (BUFFER_TIMEOUT / 30));
dprintk(2, "[%p/%d] vbi_queue - first active\n",
buf, buf->vb.i);
} else {
prev = list_entry(q->active.prev, struct cx23885_buffer,
vb.queue);
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63-32 */
dprintk(2, "[%p/%d] buffer_queue - append to active\n",
buf, buf->vb.i);
}
}
static void vbi_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
{
struct cx23885_buffer *buf =
container_of(vb, struct cx23885_buffer, vb);
cx23885_free_buffer(q, buf);
}
struct videobuf_queue_ops cx23885_vbi_qops = {
.buf_setup = vbi_setup,
.buf_prepare = vbi_prepare,
.buf_queue = vbi_queue,
.buf_release = vbi_release,
};
/* ------------------------------------------------------------------ */
/*
* Local variables:
* c-basic-offset: 8
* End:
*/

1939
drivers/media/pci/cx23885/cx23885-video.c Normal file
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656
drivers/media/pci/cx23885/cx23885.h Normal file
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/*
* Driver for the Conexant CX23885 PCIe bridge
*
* Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
*
* 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/pci.h>
#include <linux/i2c.h>
#include <linux/kdev_t.h>
#include <linux/slab.h>
#include <media/v4l2-device.h>
#include <media/tuner.h>
#include <media/tveeprom.h>
#include <media/videobuf-dma-sg.h>
#include <media/videobuf-dvb.h>
#include <media/rc-core.h>
#include "btcx-risc.h"
#include "cx23885-reg.h"
#include "media/cx2341x.h"
#include <linux/mutex.h>
#define CX23885_VERSION "0.0.3"
#define UNSET (-1U)
#define CX23885_MAXBOARDS 8
/* Max number of inputs by card */
#define MAX_CX23885_INPUT 8
#define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
#define RESOURCE_OVERLAY 1
#define RESOURCE_VIDEO 2
#define RESOURCE_VBI 4
#define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
#define CX23885_BOARD_NOAUTO UNSET
#define CX23885_BOARD_UNKNOWN 0
#define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1
#define CX23885_BOARD_HAUPPAUGE_HVR1800 2
#define CX23885_BOARD_HAUPPAUGE_HVR1250 3
#define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP 4
#define CX23885_BOARD_HAUPPAUGE_HVR1500Q 5
#define CX23885_BOARD_HAUPPAUGE_HVR1500 6
#define CX23885_BOARD_HAUPPAUGE_HVR1200 7
#define CX23885_BOARD_HAUPPAUGE_HVR1700 8
#define CX23885_BOARD_HAUPPAUGE_HVR1400 9
#define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
#define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
#define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
#define CX23885_BOARD_COMPRO_VIDEOMATE_E650F 13
#define CX23885_BOARD_TBS_6920 14
#define CX23885_BOARD_TEVII_S470 15
#define CX23885_BOARD_DVBWORLD_2005 16
#define CX23885_BOARD_NETUP_DUAL_DVBS2_CI 17
#define CX23885_BOARD_HAUPPAUGE_HVR1270 18
#define CX23885_BOARD_HAUPPAUGE_HVR1275 19
#define CX23885_BOARD_HAUPPAUGE_HVR1255 20
#define CX23885_BOARD_HAUPPAUGE_HVR1210 21
#define CX23885_BOARD_MYGICA_X8506 22
#define CX23885_BOARD_MAGICPRO_PROHDTVE2 23
#define CX23885_BOARD_HAUPPAUGE_HVR1850 24
#define CX23885_BOARD_COMPRO_VIDEOMATE_E800 25
#define CX23885_BOARD_HAUPPAUGE_HVR1290 26
#define CX23885_BOARD_MYGICA_X8558PRO 27
#define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28
#define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID 29
#define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30
#define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31
#define CX23885_BOARD_MPX885 32
#define CX23885_BOARD_MYGICA_X8507 33
#define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34
#define CX23885_BOARD_TEVII_S471 35
#define CX23885_BOARD_HAUPPAUGE_HVR1255_22111 36
#define CX23885_BOARD_PROF_8000 37
#define CX23885_BOARD_HAUPPAUGE_HVR4400 38
#define CX23885_BOARD_AVERMEDIA_HC81R 39
#define GPIO_0 0x00000001
#define GPIO_1 0x00000002
#define GPIO_2 0x00000004
#define GPIO_3 0x00000008
#define GPIO_4 0x00000010
#define GPIO_5 0x00000020
#define GPIO_6 0x00000040
#define GPIO_7 0x00000080
#define GPIO_8 0x00000100
#define GPIO_9 0x00000200
#define GPIO_10 0x00000400
#define GPIO_11 0x00000800
#define GPIO_12 0x00001000
#define GPIO_13 0x00002000
#define GPIO_14 0x00004000
#define GPIO_15 0x00008000
/* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
#define CX23885_NORMS (\
V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \
V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \
V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK)
struct cx23885_fmt {
char *name;
u32 fourcc; /* v4l2 format id */
int depth;
int flags;
u32 cxformat;
};
struct cx23885_ctrl {
struct v4l2_queryctrl v;
u32 off;
u32 reg;
u32 mask;
u32 shift;
};
struct cx23885_tvnorm {
char *name;
v4l2_std_id id;
u32 cxiformat;
u32 cxoformat;
};
struct cx23885_fh {
struct cx23885_dev *dev;
enum v4l2_buf_type type;
int radio;
u32 resources;
/* video overlay */
struct v4l2_window win;
struct v4l2_clip *clips;
unsigned int nclips;
/* video capture */
struct cx23885_fmt *fmt;
unsigned int width, height;
/* vbi capture */
struct videobuf_queue vidq;
struct videobuf_queue vbiq;
/* MPEG Encoder specifics ONLY */
struct videobuf_queue mpegq;
atomic_t v4l_reading;
};
enum cx23885_itype {
CX23885_VMUX_COMPOSITE1 = 1,
CX23885_VMUX_COMPOSITE2,
CX23885_VMUX_COMPOSITE3,
CX23885_VMUX_COMPOSITE4,
CX23885_VMUX_SVIDEO,
CX23885_VMUX_COMPONENT,
CX23885_VMUX_TELEVISION,
CX23885_VMUX_CABLE,
CX23885_VMUX_DVB,
CX23885_VMUX_DEBUG,
CX23885_RADIO,
};
enum cx23885_src_sel_type {
CX23885_SRC_SEL_EXT_656_VIDEO = 0,
CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
};
/* buffer for one video frame */
struct cx23885_buffer {
/* common v4l buffer stuff -- must be first */
struct videobuf_buffer vb;
/* cx23885 specific */
unsigned int bpl;
struct btcx_riscmem risc;
struct cx23885_fmt *fmt;
u32 count;
};
struct cx23885_input {
enum cx23885_itype type;
unsigned int vmux;
unsigned int amux;
u32 gpio0, gpio1, gpio2, gpio3;
};
typedef enum {
CX23885_MPEG_UNDEFINED = 0,
CX23885_MPEG_DVB,
CX23885_ANALOG_VIDEO,
CX23885_MPEG_ENCODER,
} port_t;
struct cx23885_board {
char *name;
port_t porta, portb, portc;
int num_fds_portb, num_fds_portc;
unsigned int tuner_type;
unsigned int radio_type;
unsigned char tuner_addr;
unsigned char radio_addr;
unsigned int tuner_bus;
/* Vendors can and do run the PCIe bridge at different
* clock rates, driven physically by crystals on the PCBs.
* The core has to accommodate this. This allows the user
* to add new boards with new frequencys. The value is
* expressed in Hz.
*
* The core framework will default this value based on
* current designs, but it can vary.
*/
u32 clk_freq;
struct cx23885_input input[MAX_CX23885_INPUT];
int ci_type; /* for NetUP */
/* Force bottom field first during DMA (888 workaround) */
u32 force_bff;
};
struct cx23885_subid {
u16 subvendor;
u16 subdevice;
u32 card;
};
struct cx23885_i2c {
struct cx23885_dev *dev;
int nr;
/* i2c i/o */
struct i2c_adapter i2c_adap;
struct i2c_client i2c_client;
u32 i2c_rc;
/* 885 registers used for raw addess */
u32 i2c_period;
u32 reg_ctrl;
u32 reg_stat;
u32 reg_addr;
u32 reg_rdata;
u32 reg_wdata;
};
struct cx23885_dmaqueue {
struct list_head active;
struct list_head queued;
struct timer_list timeout;
struct btcx_riscmem stopper;
u32 count;
};
struct cx23885_tsport {
struct cx23885_dev *dev;
int nr;
int sram_chno;
struct videobuf_dvb_frontends frontends;
/* dma queues */
struct cx23885_dmaqueue mpegq;
u32 ts_packet_size;
u32 ts_packet_count;
int width;
int height;
spinlock_t slock;
/* registers */
u32 reg_gpcnt;
u32 reg_gpcnt_ctl;
u32 reg_dma_ctl;
u32 reg_lngth;
u32 reg_hw_sop_ctrl;
u32 reg_gen_ctrl;
u32 reg_bd_pkt_status;
u32 reg_sop_status;
u32 reg_fifo_ovfl_stat;
u32 reg_vld_misc;
u32 reg_ts_clk_en;
u32 reg_ts_int_msk;
u32 reg_ts_int_stat;
u32 reg_src_sel;
/* Default register vals */
int pci_irqmask;
u32 dma_ctl_val;
u32 ts_int_msk_val;
u32 gen_ctrl_val;
u32 ts_clk_en_val;
u32 src_sel_val;
u32 vld_misc_val;
u32 hw_sop_ctrl_val;
/* Allow a single tsport to have multiple frontends */
u32 num_frontends;
void (*gate_ctrl)(struct cx23885_tsport *port, int open);
void *port_priv;
/* Workaround for a temp dvb_frontend that the tuner can attached to */
struct dvb_frontend analog_fe;
};
struct cx23885_kernel_ir {
struct cx23885_dev *cx;
char *name;
char *phys;
struct rc_dev *rc;
};
struct cx23885_audio_buffer {
unsigned int bpl;
struct btcx_riscmem risc;
struct videobuf_dmabuf dma;
};
struct cx23885_audio_dev {
struct cx23885_dev *dev;
struct pci_dev *pci;
struct snd_card *card;
spinlock_t lock;
atomic_t count;
unsigned int dma_size;
unsigned int period_size;
unsigned int num_periods;
struct videobuf_dmabuf *dma_risc;
struct cx23885_audio_buffer *buf;
struct snd_pcm_substream *substream;
};
struct cx23885_dev {
atomic_t refcount;
struct v4l2_device v4l2_dev;
/* pci stuff */
struct pci_dev *pci;
unsigned char pci_rev, pci_lat;
int pci_bus, pci_slot;
u32 __iomem *lmmio;
u8 __iomem *bmmio;
int pci_irqmask;
spinlock_t pci_irqmask_lock; /* protects mask reg too */
int hwrevision;
/* This valud is board specific and is used to configure the
* AV core so we see nice clean and stable video and audio. */
u32 clk_freq;
/* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
struct cx23885_i2c i2c_bus[3];
int nr;
struct mutex lock;
struct mutex gpio_lock;
/* board details */
unsigned int board;
char name[32];
struct cx23885_tsport ts1, ts2;
/* sram configuration */
struct sram_channel *sram_channels;
enum {
CX23885_BRIDGE_UNDEFINED = 0,
CX23885_BRIDGE_885 = 885,
CX23885_BRIDGE_887 = 887,
CX23885_BRIDGE_888 = 888,
} bridge;
/* Analog video */
u32 resources;
unsigned int input;
unsigned int audinput; /* Selectable audio input */
u32 tvaudio;
v4l2_std_id tvnorm;
unsigned int tuner_type;
unsigned char tuner_addr;
unsigned int tuner_bus;
unsigned int radio_type;
unsigned char radio_addr;
unsigned int has_radio;
struct v4l2_subdev *sd_cx25840;
struct work_struct cx25840_work;
/* Infrared */
struct v4l2_subdev *sd_ir;
struct work_struct ir_rx_work;
unsigned long ir_rx_notifications;
struct work_struct ir_tx_work;
unsigned long ir_tx_notifications;
struct cx23885_kernel_ir *kernel_ir;
atomic_t ir_input_stopping;
/* V4l */
u32 freq;
struct video_device *video_dev;
struct video_device *vbi_dev;
struct video_device *radio_dev;
struct cx23885_dmaqueue vidq;
struct cx23885_dmaqueue vbiq;
spinlock_t slock;
/* MPEG Encoder ONLY settings */
u32 cx23417_mailbox;
struct cx2341x_mpeg_params mpeg_params;
struct video_device *v4l_device;
atomic_t v4l_reader_count;
struct cx23885_tvnorm encodernorm;
/* Analog raw audio */
struct cx23885_audio_dev *audio_dev;
};
static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
{
return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
}
#define call_all(dev, o, f, args...) \
v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
#define CX23885_HW_888_IR (1 << 0)
#define CX23885_HW_AV_CORE (1 << 1)
#define call_hw(dev, grpid, o, f, args...) \
v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
#define SRAM_CH01 0 /* Video A */
#define SRAM_CH02 1 /* VBI A */
#define SRAM_CH03 2 /* Video B */
#define SRAM_CH04 3 /* Transport via B */
#define SRAM_CH05 4 /* VBI B */
#define SRAM_CH06 5 /* Video C */
#define SRAM_CH07 6 /* Transport via C */
#define SRAM_CH08 7 /* Audio Internal A */
#define SRAM_CH09 8 /* Audio Internal B */
#define SRAM_CH10 9 /* Audio External */
#define SRAM_CH11 10 /* COMB_3D_N */
#define SRAM_CH12 11 /* Comb 3D N1 */
#define SRAM_CH13 12 /* Comb 3D N2 */
#define SRAM_CH14 13 /* MOE Vid */
#define SRAM_CH15 14 /* MOE RSLT */
struct sram_channel {
char *name;
u32 cmds_start;
u32 ctrl_start;
u32 cdt;
u32 fifo_start;
u32 fifo_size;
u32 ptr1_reg;
u32 ptr2_reg;
u32 cnt1_reg;
u32 cnt2_reg;
u32 jumponly;
};
/* ----------------------------------------------------------- */
#define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
#define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
#define cx_andor(reg, mask, value) \
writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
((value) & (mask)), dev->lmmio+((reg)>>2))
#define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
#define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
/* ----------------------------------------------------------- */
/* cx23885-core.c */
extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
struct sram_channel *ch,
unsigned int bpl, u32 risc);
extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
struct sram_channel *ch);
extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
u32 reg, u32 mask, u32 value);
extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
struct scatterlist *sglist,
unsigned int top_offset, unsigned int bottom_offset,
unsigned int bpl, unsigned int padding, unsigned int lines);
extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
struct btcx_riscmem *risc, struct scatterlist *sglist,
unsigned int top_offset, unsigned int bottom_offset,
unsigned int bpl, unsigned int padding, unsigned int lines);
void cx23885_cancel_buffers(struct cx23885_tsport *port);
extern int cx23885_restart_queue(struct cx23885_tsport *port,
struct cx23885_dmaqueue *q);
extern void cx23885_wakeup(struct cx23885_tsport *port,
struct cx23885_dmaqueue *q, u32 count);
extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
int asoutput);
extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
/* ----------------------------------------------------------- */
/* cx23885-cards.c */
extern struct cx23885_board cx23885_boards[];
extern const unsigned int cx23885_bcount;
extern struct cx23885_subid cx23885_subids[];
extern const unsigned int cx23885_idcount;
extern int cx23885_tuner_callback(void *priv, int component,
int command, int arg);
extern void cx23885_card_list(struct cx23885_dev *dev);
extern int cx23885_ir_init(struct cx23885_dev *dev);
extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
extern void cx23885_ir_fini(struct cx23885_dev *dev);
extern void cx23885_gpio_setup(struct cx23885_dev *dev);
extern void cx23885_card_setup(struct cx23885_dev *dev);
extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
extern int cx23885_dvb_register(struct cx23885_tsport *port);
extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
extern int cx23885_buf_prepare(struct videobuf_queue *q,
struct cx23885_tsport *port,
struct cx23885_buffer *buf,
enum v4l2_field field);
extern void cx23885_buf_queue(struct cx23885_tsport *port,
struct cx23885_buffer *buf);
extern void cx23885_free_buffer(struct videobuf_queue *q,
struct cx23885_buffer *buf);
/* ----------------------------------------------------------- */
/* cx23885-video.c */
/* Video */
extern int cx23885_video_register(struct cx23885_dev *dev);
extern void cx23885_video_unregister(struct cx23885_dev *dev);
extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
extern void cx23885_video_wakeup(struct cx23885_dev *dev,
struct cx23885_dmaqueue *q, u32 count);
int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i);
int cx23885_set_input(struct file *file, void *priv, unsigned int i);
int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f);
int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl);
int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl);
int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
/* ----------------------------------------------------------- */
/* cx23885-vbi.c */
extern int cx23885_vbi_fmt(struct file *file, void *priv,
struct v4l2_format *f);
extern void cx23885_vbi_timeout(unsigned long data);
extern struct videobuf_queue_ops cx23885_vbi_qops;
extern int cx23885_restart_vbi_queue(struct cx23885_dev *dev,
struct cx23885_dmaqueue *q);
extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
/* cx23885-i2c.c */
extern int cx23885_i2c_register(struct cx23885_i2c *bus);
extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
/* ----------------------------------------------------------- */
/* cx23885-417.c */
extern int cx23885_417_register(struct cx23885_dev *dev);
extern void cx23885_417_unregister(struct cx23885_dev *dev);
extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
extern void cx23885_mc417_init(struct cx23885_dev *dev);
extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
extern int mc417_register_read(struct cx23885_dev *dev,
u16 address, u32 *value);
extern int mc417_register_write(struct cx23885_dev *dev,
u16 address, u32 value);
extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
/* ----------------------------------------------------------- */
/* cx23885-alsa.c */
extern struct cx23885_audio_dev *cx23885_audio_register(
struct cx23885_dev *dev);
extern void cx23885_audio_unregister(struct cx23885_dev *dev);
extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
extern int cx23885_risc_databuffer(struct pci_dev *pci,
struct btcx_riscmem *risc,
struct scatterlist *sglist,
unsigned int bpl,
unsigned int lines,
unsigned int lpi);
/* ----------------------------------------------------------- */
/* tv norms */
static inline unsigned int norm_maxw(v4l2_std_id norm)
{
return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
}
static inline unsigned int norm_maxh(v4l2_std_id norm)
{
return (norm & V4L2_STD_625_50) ? 576 : 480;
}
static inline unsigned int norm_swidth(v4l2_std_id norm)
{
return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
}

1270
drivers/media/pci/cx23885/cx23888-ir.c Normal file
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28
drivers/media/pci/cx23885/cx23888-ir.h Normal file
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@@ -0,0 +1,28 @@
/*
* Driver for the Conexant CX23885/7/8 PCIe bridge
*
* CX23888 Integrated Consumer Infrared Controller
*
* Copyright (C) 2009 Andy Walls <awalls@md.metrocast.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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#ifndef _CX23888_IR_H_
#define _CX23888_IR_H_
int cx23888_ir_probe(struct cx23885_dev *dev);
int cx23888_ir_remove(struct cx23885_dev *dev);
#endif

107
drivers/media/pci/cx23885/netup-eeprom.c Normal file
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@@ -0,0 +1,107 @@
/*
* netup-eeprom.c
*
* 24LC02 EEPROM driver in conjunction with NetUP Dual DVB-S2 CI card
*
* Copyright (C) 2009 NetUP Inc.
* Copyright (C) 2009 Abylay Ospan <aospan@netup.ru>
*
* 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 "cx23885.h"
#include "netup-eeprom.h"
#define EEPROM_I2C_ADDR 0x50
int netup_eeprom_read(struct i2c_adapter *i2c_adap, u8 addr)
{
int ret;
unsigned char buf[2];
/* Read from EEPROM */
struct i2c_msg msg[] = {
{
.addr = EEPROM_I2C_ADDR,
.flags = 0,
.buf = &buf[0],
.len = 1
}, {
.addr = EEPROM_I2C_ADDR,
.flags = I2C_M_RD,
.buf = &buf[1],
.len = 1
}
};
buf[0] = addr;
buf[1] = 0x0;
ret = i2c_transfer(i2c_adap, msg, 2);
if (ret != 2) {
printk(KERN_ERR "eeprom i2c read error, status=%d\n", ret);
return -1;
}
return buf[1];
};
int netup_eeprom_write(struct i2c_adapter *i2c_adap, u8 addr, u8 data)
{
int ret;
unsigned char bufw[2];
/* Write into EEPROM */
struct i2c_msg msg[] = {
{
.addr = EEPROM_I2C_ADDR,
.flags = 0,
.buf = &bufw[0],
.len = 2
}
};
bufw[0] = addr;
bufw[1] = data;
ret = i2c_transfer(i2c_adap, msg, 1);
if (ret != 1) {
printk(KERN_ERR "eeprom i2c write error, status=%d\n", ret);
return -1;
}
mdelay(10); /* prophylactic delay, datasheet write cycle time = 5 ms */
return 0;
};
void netup_get_card_info(struct i2c_adapter *i2c_adap,
struct netup_card_info *cinfo)
{
int i, j;
cinfo->rev = netup_eeprom_read(i2c_adap, 63);
for (i = 64, j = 0; i < 70; i++, j++)
cinfo->port[0].mac[j] = netup_eeprom_read(i2c_adap, i);
for (i = 70, j = 0; i < 76; i++, j++)
cinfo->port[1].mac[j] = netup_eeprom_read(i2c_adap, i);
};

42
drivers/media/pci/cx23885/netup-eeprom.h Normal file
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/*
* netup-eeprom.h
*
* 24LC02 EEPROM driver in conjunction with NetUP Dual DVB-S2 CI card
*
* Copyright (C) 2009 NetUP Inc.
* Copyright (C) 2009 Abylay Ospan <aospan@netup.ru>
*
* 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.
*/
#ifndef NETUP_EEPROM_H
#define NETUP_EEPROM_H
struct netup_port_info {
u8 mac[6];/* card MAC address */
};
struct netup_card_info {
struct netup_port_info port[2];/* ports - 1,2 */
u8 rev;/* card revision */
};
extern int netup_eeprom_read(struct i2c_adapter *i2c_adap, u8 addr);
extern int netup_eeprom_write(struct i2c_adapter *i2c_adap, u8 addr, u8 data);
extern void netup_get_card_info(struct i2c_adapter *i2c_adap,
struct netup_card_info *cinfo);
#endif

126
drivers/media/pci/cx23885/netup-init.c Normal file
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/*
* netup-init.c
*
* NetUP Dual DVB-S2 CI driver
*
* Copyright (C) 2009 NetUP Inc.
* Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
* Copyright (C) 2009 Abylay Ospan <aospan@netup.ru>
*
* 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 "cx23885.h"
#include "netup-init.h"
static void i2c_av_write(struct i2c_adapter *i2c, u16 reg, u8 val)
{
int ret;
u8 buf[3];
struct i2c_msg msg = {
.addr = 0x88 >> 1,
.flags = 0,
.buf = buf,
.len = 3
};
buf[0] = reg >> 8;
buf[1] = reg & 0xff;
buf[2] = val;
ret = i2c_transfer(i2c, &msg, 1);
if (ret != 1)
printk(KERN_ERR "%s: i2c write error!\n", __func__);
}
static void i2c_av_write4(struct i2c_adapter *i2c, u16 reg, u32 val)
{
int ret;
u8 buf[6];
struct i2c_msg msg = {
.addr = 0x88 >> 1,
.flags = 0,
.buf = buf,
.len = 6
};
buf[0] = reg >> 8;
buf[1] = reg & 0xff;
buf[2] = val & 0xff;
buf[3] = (val >> 8) & 0xff;
buf[4] = (val >> 16) & 0xff;
buf[5] = val >> 24;
ret = i2c_transfer(i2c, &msg, 1);
if (ret != 1)
printk(KERN_ERR "%s: i2c write error!\n", __func__);
}
static u8 i2c_av_read(struct i2c_adapter *i2c, u16 reg)
{
int ret;
u8 buf[2];
struct i2c_msg msg = {
.addr = 0x88 >> 1,
.flags = 0,
.buf = buf,
.len = 2
};
buf[0] = reg >> 8;
buf[1] = reg & 0xff;
ret = i2c_transfer(i2c, &msg, 1);
if (ret != 1)
printk(KERN_ERR "%s: i2c write error!\n", __func__);
msg.flags = I2C_M_RD;
msg.len = 1;
ret = i2c_transfer(i2c, &msg, 1);
if (ret != 1)
printk(KERN_ERR "%s: i2c read error!\n", __func__);
return buf[0];
}
static void i2c_av_and_or(struct i2c_adapter *i2c, u16 reg, unsigned and_mask,
u8 or_value)
{
i2c_av_write(i2c, reg, (i2c_av_read(i2c, reg) & and_mask) | or_value);
}
/* set 27MHz on AUX_CLK */
void netup_initialize(struct cx23885_dev *dev)
{
struct cx23885_i2c *i2c_bus = &dev->i2c_bus[2];
struct i2c_adapter *i2c = &i2c_bus->i2c_adap;
/* Stop microcontroller */
i2c_av_and_or(i2c, 0x803, ~0x10, 0x00);
/* Aux PLL frac for 27 MHz */
i2c_av_write4(i2c, 0x114, 0xea0eb3);
/* Aux PLL int for 27 MHz */
i2c_av_write4(i2c, 0x110, 0x090319);
/* start microcontroller */
i2c_av_and_or(i2c, 0x803, ~0x10, 0x10);
}

25
drivers/media/pci/cx23885/netup-init.h Normal file
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@@ -0,0 +1,25 @@
/*
* netup-init.h
*
* NetUP Dual DVB-S2 CI driver
*
* Copyright (C) 2009 NetUP Inc.
* Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
* Copyright (C) 2009 Abylay Ospan <aospan@netup.ru>
*
* 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.
*/
extern void netup_initialize(struct cx23885_dev *dev);