forked from Minki/linux
[media] Altera FPGA based CI driver module
An Altera FPGA CI module for NetUP Dual DVB-T/C RF CI card. Signed-off-by: Igor M. Liplianin <liplianin@netup.ru> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Igor M. Liplianin
Mauro Carvalho Chehab
parent
fa766c9be5
commit
349bcf02e3
@ -33,3 +33,12 @@ config VIDEO_CX23885
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To compile this driver as a module, choose M here: the
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module will be called cx23885
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config MEDIA_ALTERA_CI
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tristate "Altera FPGA based CI module"
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depends on VIDEO_CX23885 && DVB_CORE
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select STAPL_ALTERA
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---help---
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An Altera FPGA CI module for NetUP Dual DVB-T/C RF CI card.
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To compile this driver as a module, choose M here: the
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module will be called altera-ci
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@ -5,6 +5,7 @@ cx23885-objs := cx23885-cards.o cx23885-video.o cx23885-vbi.o \
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cx23885-f300.o
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obj-$(CONFIG_VIDEO_CX23885) += cx23885.o
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obj-$(CONFIG_MEDIA_ALTERA_CI) += altera-ci.o
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EXTRA_CFLAGS += -Idrivers/media/video
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EXTRA_CFLAGS += -Idrivers/media/common/tuners
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830
drivers/media/video/cx23885/altera-ci.c
Normal file
830
drivers/media/video/cx23885/altera-ci.c
Normal file
@ -0,0 +1,830 @@
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/*
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* altera-ci.c
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*
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* CI driver in conjunction with NetUp Dual DVB-T/C RF CI card
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*
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* Copyright (C) 2010,2011 NetUP Inc.
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* Copyright (C) 2010,2011 Igor M. Liplianin <liplianin@netup.ru>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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*
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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* currently cx23885 GPIO's used.
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* GPIO-0 ~INT in
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* GPIO-1 TMS out
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* GPIO-2 ~reset chips out
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* GPIO-3 to GPIO-10 data/addr for CA in/out
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* GPIO-11 ~CS out
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* GPIO-12 AD_RG out
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* GPIO-13 ~WR out
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* GPIO-14 ~RD out
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* GPIO-15 ~RDY in
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* GPIO-16 TCK out
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* GPIO-17 TDO in
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* GPIO-18 TDI out
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*/
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/*
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* Bit definitions for MC417_RWD and MC417_OEN registers
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* bits 31-16
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* +-----------+
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* | Reserved |
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* +-----------+
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* bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8
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* +-------+-------+-------+-------+-------+-------+-------+-------+
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* | TDI | TDO | TCK | RDY# | #RD | #WR | AD_RG | #CS |
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* +-------+-------+-------+-------+-------+-------+-------+-------+
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* bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
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* +-------+-------+-------+-------+-------+-------+-------+-------+
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* | DATA7| DATA6| DATA5| DATA4| DATA3| DATA2| DATA1| DATA0|
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* +-------+-------+-------+-------+-------+-------+-------+-------+
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*/
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#include <linux/version.h>
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#include <media/videobuf-dma-sg.h>
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#include <media/videobuf-dvb.h>
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#include "altera-ci.h"
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#include "dvb_ca_en50221.h"
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/* FPGA regs */
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#define NETUP_CI_INT_CTRL 0x00
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#define NETUP_CI_BUSCTRL2 0x01
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#define NETUP_CI_ADDR0 0x04
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#define NETUP_CI_ADDR1 0x05
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#define NETUP_CI_DATA 0x06
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#define NETUP_CI_BUSCTRL 0x07
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#define NETUP_CI_PID_ADDR0 0x08
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#define NETUP_CI_PID_ADDR1 0x09
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#define NETUP_CI_PID_DATA 0x0a
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#define NETUP_CI_TSA_DIV 0x0c
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#define NETUP_CI_TSB_DIV 0x0d
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#define NETUP_CI_REVISION 0x0f
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/* const for ci op */
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#define NETUP_CI_FLG_CTL 1
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#define NETUP_CI_FLG_RD 1
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#define NETUP_CI_FLG_AD 1
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static unsigned int ci_dbg;
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module_param(ci_dbg, int, 0644);
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MODULE_PARM_DESC(ci_dbg, "Enable CI debugging");
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static unsigned int pid_dbg;
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module_param(pid_dbg, int, 0644);
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MODULE_PARM_DESC(pid_dbg, "Enable PID filtering debugging");
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MODULE_DESCRIPTION("altera FPGA CI module");
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MODULE_AUTHOR("Igor M. Liplianin <liplianin@netup.ru>");
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MODULE_LICENSE("GPL");
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#define ci_dbg_print(args...) \
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do { \
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if (ci_dbg) \
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printk(KERN_DEBUG args); \
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} while (0)
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#define pid_dbg_print(args...) \
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do { \
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if (pid_dbg) \
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printk(KERN_DEBUG args); \
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} while (0)
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struct altera_ci_state;
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struct netup_hw_pid_filter;
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struct fpga_internal {
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void *dev;
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struct mutex fpga_mutex;/* two CI's on the same fpga */
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struct netup_hw_pid_filter *pid_filt[2];
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struct altera_ci_state *state[2];
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struct work_struct work;
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int (*fpga_rw) (void *dev, int flag, int data, int rw);
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int cis_used;
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int filts_used;
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int strt_wrk;
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};
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/* stores all private variables for communication with CI */
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struct altera_ci_state {
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struct fpga_internal *internal;
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struct dvb_ca_en50221 ca;
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int status;
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int nr;
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};
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/* stores all private variables for hardware pid filtering */
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struct netup_hw_pid_filter {
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struct fpga_internal *internal;
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struct dvb_demux *demux;
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/* save old functions */
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int (*start_feed)(struct dvb_demux_feed *feed);
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int (*stop_feed)(struct dvb_demux_feed *feed);
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int status;
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int nr;
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};
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/* internal params node */
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struct fpga_inode {
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/* pointer for internal params, one for each pair of CI's */
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struct fpga_internal *internal;
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struct fpga_inode *next_inode;
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};
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/* first internal params */
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static struct fpga_inode *fpga_first_inode;
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/* find chip by dev */
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static struct fpga_inode *find_inode(void *dev)
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{
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struct fpga_inode *temp_chip = fpga_first_inode;
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if (temp_chip == NULL)
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return temp_chip;
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/*
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Search for the last fpga CI chip or
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find it by dev */
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while ((temp_chip != NULL) &&
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(temp_chip->internal->dev != dev))
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temp_chip = temp_chip->next_inode;
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return temp_chip;
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}
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/* check demux */
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static struct fpga_internal *check_filter(struct fpga_internal *temp_int,
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void *demux_dev, int filt_nr)
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{
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if (temp_int == NULL)
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return NULL;
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if ((temp_int->pid_filt[filt_nr]) == NULL)
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return NULL;
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if (temp_int->pid_filt[filt_nr]->demux == demux_dev)
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return temp_int;
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return NULL;
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}
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/* find chip by demux */
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static struct fpga_inode *find_dinode(void *demux_dev)
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{
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struct fpga_inode *temp_chip = fpga_first_inode;
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struct fpga_internal *temp_int;
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/*
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* Search of the last fpga CI chip or
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* find it by demux
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*/
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while (temp_chip != NULL) {
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if (temp_chip->internal != NULL) {
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temp_int = temp_chip->internal;
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if (check_filter(temp_int, demux_dev, 0))
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break;
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if (check_filter(temp_int, demux_dev, 1))
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break;
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}
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temp_chip = temp_chip->next_inode;
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}
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return temp_chip;
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}
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/* deallocating chip */
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static void remove_inode(struct fpga_internal *internal)
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{
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struct fpga_inode *prev_node = fpga_first_inode;
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struct fpga_inode *del_node = find_inode(internal->dev);
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if (del_node != NULL) {
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if (del_node == fpga_first_inode) {
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fpga_first_inode = del_node->next_inode;
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} else {
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while (prev_node->next_inode != del_node)
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prev_node = prev_node->next_inode;
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if (del_node->next_inode == NULL)
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prev_node->next_inode = NULL;
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else
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prev_node->next_inode =
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prev_node->next_inode->next_inode;
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}
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kfree(del_node);
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}
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}
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/* allocating new chip */
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static struct fpga_inode *append_internal(struct fpga_internal *internal)
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{
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struct fpga_inode *new_node = fpga_first_inode;
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if (new_node == NULL) {
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new_node = kmalloc(sizeof(struct fpga_inode), GFP_KERNEL);
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fpga_first_inode = new_node;
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} else {
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while (new_node->next_inode != NULL)
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new_node = new_node->next_inode;
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new_node->next_inode =
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kmalloc(sizeof(struct fpga_inode), GFP_KERNEL);
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if (new_node->next_inode != NULL)
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new_node = new_node->next_inode;
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else
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new_node = NULL;
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}
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if (new_node != NULL) {
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new_node->internal = internal;
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new_node->next_inode = NULL;
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}
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return new_node;
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}
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static int netup_fpga_op_rw(struct fpga_internal *inter, int addr,
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u8 val, u8 read)
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{
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inter->fpga_rw(inter->dev, NETUP_CI_FLG_AD, addr, 0);
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return inter->fpga_rw(inter->dev, 0, val, read);
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}
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/* flag - mem/io, read - read/write */
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int altera_ci_op_cam(struct dvb_ca_en50221 *en50221, int slot,
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u8 flag, u8 read, int addr, u8 val)
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{
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struct altera_ci_state *state = en50221->data;
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struct fpga_internal *inter = state->internal;
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u8 store;
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int mem = 0;
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if (0 != slot)
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return -EINVAL;
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mutex_lock(&inter->fpga_mutex);
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netup_fpga_op_rw(inter, NETUP_CI_ADDR0, ((addr << 1) & 0xfe), 0);
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netup_fpga_op_rw(inter, NETUP_CI_ADDR1, ((addr >> 7) & 0x7f), 0);
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store = netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL, 0, NETUP_CI_FLG_RD);
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store &= 0x3f;
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store |= ((state->nr << 7) | (flag << 6));
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netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL, store, 0);
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mem = netup_fpga_op_rw(inter, NETUP_CI_DATA, val, read);
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mutex_unlock(&inter->fpga_mutex);
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ci_dbg_print("%s: %s: addr=[0x%02x], %s=%x\n", __func__,
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(read) ? "read" : "write", addr,
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(flag == NETUP_CI_FLG_CTL) ? "ctl" : "mem",
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(read) ? mem : val);
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return mem;
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}
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int altera_ci_read_attribute_mem(struct dvb_ca_en50221 *en50221,
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int slot, int addr)
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{
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return altera_ci_op_cam(en50221, slot, 0, NETUP_CI_FLG_RD, addr, 0);
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}
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int altera_ci_write_attribute_mem(struct dvb_ca_en50221 *en50221,
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int slot, int addr, u8 data)
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{
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return altera_ci_op_cam(en50221, slot, 0, 0, addr, data);
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}
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int altera_ci_read_cam_ctl(struct dvb_ca_en50221 *en50221, int slot, u8 addr)
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{
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return altera_ci_op_cam(en50221, slot, NETUP_CI_FLG_CTL,
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NETUP_CI_FLG_RD, addr, 0);
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}
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int altera_ci_write_cam_ctl(struct dvb_ca_en50221 *en50221, int slot,
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u8 addr, u8 data)
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{
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return altera_ci_op_cam(en50221, slot, NETUP_CI_FLG_CTL, 0, addr, data);
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}
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int altera_ci_slot_reset(struct dvb_ca_en50221 *en50221, int slot)
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{
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struct altera_ci_state *state = en50221->data;
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struct fpga_internal *inter = state->internal;
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/* reasonable timeout for CI reset is 10 seconds */
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unsigned long t_out = jiffies + msecs_to_jiffies(9999);
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int ret;
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ci_dbg_print("%s\n", __func__);
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if (0 != slot)
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return -EINVAL;
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mutex_lock(&inter->fpga_mutex);
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ret = netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL, 0, NETUP_CI_FLG_RD);
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netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL,
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ret | (1 << (5 - state->nr)), 0);
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for (;;) {
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mdelay(50);
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ret = netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL,
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0, NETUP_CI_FLG_RD);
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if ((ret & (1 << (5 - state->nr))) == 0)
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break;
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if (time_after(jiffies, t_out))
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break;
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}
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mutex_unlock(&inter->fpga_mutex);
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ci_dbg_print("%s: %d msecs\n", __func__,
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jiffies_to_msecs(jiffies + msecs_to_jiffies(9999) - t_out));
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return 0;
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}
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int altera_ci_slot_shutdown(struct dvb_ca_en50221 *en50221, int slot)
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{
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/* not implemented */
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return 0;
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}
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int altera_ci_slot_ts_ctl(struct dvb_ca_en50221 *en50221, int slot)
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{
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struct altera_ci_state *state = en50221->data;
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struct fpga_internal *inter = state->internal;
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int ret;
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ci_dbg_print("%s\n", __func__);
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if (0 != slot)
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return -EINVAL;
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mutex_lock(&inter->fpga_mutex);
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ret = netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL, 0, NETUP_CI_FLG_RD);
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netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL,
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ret | (1 << (3 - state->nr)), 0);
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mutex_unlock(&inter->fpga_mutex);
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return 0;
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}
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/* work handler */
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static void netup_read_ci_status(struct work_struct *work)
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{
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struct fpga_internal *inter =
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container_of(work, struct fpga_internal, work);
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int ret;
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ci_dbg_print("%s\n", __func__);
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mutex_lock(&inter->fpga_mutex);
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/* ack' irq */
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ret = netup_fpga_op_rw(inter, NETUP_CI_INT_CTRL, 0, NETUP_CI_FLG_RD);
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ret = netup_fpga_op_rw(inter, NETUP_CI_BUSCTRL, 0, NETUP_CI_FLG_RD);
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mutex_unlock(&inter->fpga_mutex);
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if (inter->state[1] != NULL) {
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inter->state[1]->status =
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((ret & 1) == 0 ?
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DVB_CA_EN50221_POLL_CAM_PRESENT |
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DVB_CA_EN50221_POLL_CAM_READY : 0);
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ci_dbg_print("%s: setting CI[1] status = 0x%x\n",
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__func__, inter->state[1]->status);
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};
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if (inter->state[0] != NULL) {
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inter->state[0]->status =
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((ret & 2) == 0 ?
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DVB_CA_EN50221_POLL_CAM_PRESENT |
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DVB_CA_EN50221_POLL_CAM_READY : 0);
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ci_dbg_print("%s: setting CI[0] status = 0x%x\n",
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__func__, inter->state[0]->status);
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};
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}
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/* CI irq handler */
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int altera_ci_irq(void *dev)
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{
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struct fpga_inode *temp_int = NULL;
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struct fpga_internal *inter = NULL;
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ci_dbg_print("%s\n", __func__);
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if (dev != NULL) {
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temp_int = find_inode(dev);
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if (temp_int != NULL) {
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inter = temp_int->internal;
|
||||
schedule_work(&inter->work);
|
||||
}
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
EXPORT_SYMBOL(altera_ci_irq);
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
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;
|
||||
|
||||
if (pid == 0x2000)
|
||||
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);
|
||||
|
||||
netup_fpga_op_rw(inter, NETUP_CI_PID_DATA, store, 0);
|
||||
}
|
||||
|
||||
mutex_unlock(&inter->fpga_mutex);
|
||||
}
|
||||
|
||||
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);
|
||||
|
||||
int altera_ci_start_feed(struct dvb_demux_feed *feed, int num)
|
||||
{
|
||||
altera_pid_feed_control(feed->demux, num, feed, 1);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int altera_ci_stop_feed(struct dvb_demux_feed *feed, int num)
|
||||
{
|
||||
altera_pid_feed_control(feed->demux, num, feed, 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int altera_ci_start_feed_1(struct dvb_demux_feed *feed)
|
||||
{
|
||||
return altera_ci_start_feed(feed, 1);
|
||||
}
|
||||
|
||||
int altera_ci_stop_feed_1(struct dvb_demux_feed *feed)
|
||||
{
|
||||
return altera_ci_stop_feed(feed, 1);
|
||||
}
|
||||
|
||||
int altera_ci_start_feed_2(struct dvb_demux_feed *feed)
|
||||
{
|
||||
return altera_ci_start_feed(feed, 2);
|
||||
}
|
||||
|
||||
int altera_ci_stop_feed_2(struct dvb_demux_feed *feed)
|
||||
{
|
||||
return altera_ci_stop_feed(feed, 2);
|
||||
}
|
||||
|
||||
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 = 0x%x for ci = %d\n", __func__,
|
||||
(int)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)++;
|
||||
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 = 0x%x for ci = %d\n", __func__,
|
||||
(int)state, ci_nr - 1);
|
||||
inter->state[ci_nr - 1] = state;
|
||||
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;
|
||||
|
||||
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);
|
||||
102
drivers/media/video/cx23885/altera-ci.h
Normal file
102
drivers/media/video/cx23885/altera-ci.h
Normal file
@ -0,0 +1,102 @@
|
||||
/*
|
||||
* 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
|
||||
|
||||
#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 defined(CONFIG_MEDIA_ALTERA_CI) || (defined(CONFIG_MEDIA_ALTERA_CI_MODULE) \
|
||||
&& defined(MODULE))
|
||||
|
||||
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__);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline int altera_ci_irq(void *dev)
|
||||
{
|
||||
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static 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__);
|
||||
return 0;
|
||||
}
|
||||
|
||||
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 */
|
||||
Loading…
Reference in New Issue
Block a user