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linux-next/drivers/media/pci/saa7134/saa7134-input.c
Heinrich Schuchardt 40feb52fb6 [media] media: saa7134: remove if based on uninitialized variable 
Variable b is not initialized.
Only with a small chance it has random value 0xFF.
Remove if statement based on this value.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-07-26 12:30:41 -03:00

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/*
*
* handle saa7134 IR remotes via linux kernel input layer.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include "saa7134-reg.h"
#include "saa7134.h"
#define MODULE_NAME "saa7134"
static unsigned int disable_ir;
module_param(disable_ir, int, 0444);
MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
static unsigned int ir_debug;
module_param(ir_debug, int, 0644);
MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
static int pinnacle_remote;
module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */
MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");
#define dprintk(fmt, arg...) if (ir_debug) \
printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
#define i2cdprintk(fmt, arg...) if (ir_debug) \
printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg)
/* Helper function for raw decoding at GPIO16 or GPIO18 */
static int saa7134_raw_decode_irq(struct saa7134_dev *dev);
/* -------------------- GPIO generic keycode builder -------------------- */
static int build_key(struct saa7134_dev *dev)
{
struct saa7134_card_ir *ir = dev->remote;
u32 gpio, data;
/* here comes the additional handshake steps for some cards */
switch (dev->board) {
case SAA7134_BOARD_GOTVIEW_7135:
saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80);
saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80);
break;
}
/* rising SAA7134_GPIO_GPRESCAN reads the status */
saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
if (ir->polling) {
if (ir->last_gpio == gpio)
return 0;
ir->last_gpio = gpio;
}
data = ir_extract_bits(gpio, ir->mask_keycode);
dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
gpio, ir->mask_keycode, data);
switch (dev->board) {
case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
if (data == ir->mask_keycode)
rc_keyup(ir->dev);
else
rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0);
return 0;
}
if (ir->polling) {
if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
(ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0);
} else {
rc_keyup(ir->dev);
}
}
else { /* IRQ driven mode - handle key press and release in one go */
if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
(ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0);
rc_keyup(ir->dev);
}
}
return 0;
}
/* --------------------- Chip specific I2C key builders ----------------- */
static int get_key_flydvb_trio(struct IR_i2c *ir, enum rc_type *protocol,
u32 *scancode, u8 *toggle)
{
int gpio;
int attempt = 0;
unsigned char b;
/* We need this to access GPI Used by the saa_readl macro. */
struct saa7134_dev *dev = ir->c->adapter->algo_data;
if (dev == NULL) {
i2cdprintk("get_key_flydvb_trio: "
"ir->c->adapter->algo_data is NULL!\n");
return -EIO;
}
/* rising SAA7134_GPIGPRESCAN reads the status */
saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
if (0x40000 & ~gpio)
return 0; /* No button press */
/* poll IR chip */
/* weak up the IR chip */
b = 0;
while (1 != i2c_master_send(ir->c, &b, 1)) {
if ((attempt++) < 10) {
/*
* wait a bit for next attempt -
* I don't know how make it better
*/
msleep(10);
continue;
}
i2cdprintk("send wake up byte to pic16C505 (IR chip)"
"failed %dx\n", attempt);
return -EIO;
}
if (1 != i2c_master_recv(ir->c, &b, 1)) {
i2cdprintk("read error\n");
return -EIO;
}
*protocol = RC_TYPE_UNKNOWN;
*scancode = b;
*toggle = 0;
return 1;
}
static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, enum rc_type *protocol,
u32 *scancode, u8 *toggle)
{
unsigned char b;
int gpio;
/* <dev> is needed to access GPIO. Used by the saa_readl macro. */
struct saa7134_dev *dev = ir->c->adapter->algo_data;
if (dev == NULL) {
i2cdprintk("get_key_msi_tvanywhere_plus: "
"ir->c->adapter->algo_data is NULL!\n");
return -EIO;
}
/* rising SAA7134_GPIO_GPRESCAN reads the status */
saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
/* GPIO&0x40 is pulsed low when a button is pressed. Don't do
I2C receive if gpio&0x40 is not low. */
if (gpio & 0x40)
return 0; /* No button press */
/* GPIO says there is a button press. Get it. */
if (1 != i2c_master_recv(ir->c, &b, 1)) {
i2cdprintk("read error\n");
return -EIO;
}
/* No button press */
if (b == 0xff)
return 0;
/* Button pressed */
dprintk("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b);
*protocol = RC_TYPE_UNKNOWN;
*scancode = b;
*toggle = 0;
return 1;
}
/* copied and modified from get_key_msi_tvanywhere_plus() */
static int get_key_kworld_pc150u(struct IR_i2c *ir, enum rc_type *protocol,
u32 *scancode, u8 *toggle)
{
unsigned char b;
unsigned int gpio;
/* <dev> is needed to access GPIO. Used by the saa_readl macro. */
struct saa7134_dev *dev = ir->c->adapter->algo_data;
if (dev == NULL) {
i2cdprintk("get_key_kworld_pc150u: "
"ir->c->adapter->algo_data is NULL!\n");
return -EIO;
}
/* rising SAA7134_GPIO_GPRESCAN reads the status */
saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
/* GPIO&0x100 is pulsed low when a button is pressed. Don't do
I2C receive if gpio&0x100 is not low. */
if (gpio & 0x100)
return 0; /* No button press */
/* GPIO says there is a button press. Get it. */
if (1 != i2c_master_recv(ir->c, &b, 1)) {
i2cdprintk("read error\n");
return -EIO;
}
/* No button press */
if (b == 0xff)
return 0;
/* Button pressed */
dprintk("get_key_kworld_pc150u: Key = 0x%02X\n", b);
*protocol = RC_TYPE_UNKNOWN;
*scancode = b;
*toggle = 0;
return 1;
}
static int get_key_purpletv(struct IR_i2c *ir, enum rc_type *protocol,
u32 *scancode, u8 *toggle)
{
unsigned char b;
/* poll IR chip */
if (1 != i2c_master_recv(ir->c, &b, 1)) {
i2cdprintk("read error\n");
return -EIO;
}
/* no button press */
if (b==0)
return 0;
/* repeating */
if (b & 0x80)
return 1;
*protocol = RC_TYPE_UNKNOWN;
*scancode = b;
*toggle = 0;
return 1;
}
static int get_key_hvr1110(struct IR_i2c *ir, enum rc_type *protocol,
u32 *scancode, u8 *toggle)
{
unsigned char buf[5];
/* poll IR chip */
if (5 != i2c_master_recv(ir->c, buf, 5))
return -EIO;
/* Check if some key were pressed */
if (!(buf[0] & 0x80))
return 0;
/*
* buf[3] & 0x80 is always high.
* buf[3] & 0x40 is a parity bit. A repeat event is marked
* by preserving it into two separate readings
* buf[4] bits 0 and 1, and buf[1] and buf[2] are always
* zero.
*
* Note that the keymap which the hvr1110 uses is RC5.
*
* FIXME: start bits could maybe be used...?
*/
*protocol = RC_TYPE_RC5;
*scancode = RC_SCANCODE_RC5(buf[3] & 0x1f, buf[4] >> 2);
*toggle = !!(buf[3] & 0x40);
return 1;
}
static int get_key_beholdm6xx(struct IR_i2c *ir, enum rc_type *protocol,
u32 *scancode, u8 *toggle)
{
unsigned char data[12];
u32 gpio;
struct saa7134_dev *dev = ir->c->adapter->algo_data;
/* rising SAA7134_GPIO_GPRESCAN reads the status */
saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
if (0x400000 & ~gpio)
return 0; /* No button press */
ir->c->addr = 0x5a >> 1;
if (12 != i2c_master_recv(ir->c, data, 12)) {
i2cdprintk("read error\n");
return -EIO;
}
if (data[9] != (unsigned char)(~data[8]))
return 0;
*protocol = RC_TYPE_NEC;
*scancode = RC_SCANCODE_NECX(data[11] << 8 | data[10], data[9]);
*toggle = 0;
return 1;
}
/* Common (grey or coloured) pinnacle PCTV remote handling
*
*/
static int get_key_pinnacle(struct IR_i2c *ir, enum rc_type *protocol,
u32 *scancode, u8 *toggle, int parity_offset,
int marker, int code_modulo)
{
unsigned char b[4];
unsigned int start = 0,parity = 0,code = 0;
/* poll IR chip */
if (4 != i2c_master_recv(ir->c, b, 4)) {
i2cdprintk("read error\n");
return -EIO;
}
for (start = 0; start < ARRAY_SIZE(b); start++) {
if (b[start] == marker) {
code=b[(start+parity_offset + 1) % 4];
parity=b[(start+parity_offset) % 4];
}
}
/* Empty Request */
if (parity == 0)
return 0;
/* Repeating... */
if (ir->old == parity)
return 0;
ir->old = parity;
/* drop special codes when a key is held down a long time for the grey controller
In this case, the second bit of the code is asserted */
if (marker == 0xfe && (code & 0x40))
return 0;
code %= code_modulo;
*protocol = RC_TYPE_UNKNOWN;
*scancode = code;
*toggle = 0;
i2cdprintk("Pinnacle PCTV key %02x\n", code);
return 1;
}
/* The grey pinnacle PCTV remote
*
* There are one issue with this remote:
* - I2c packet does not change when the same key is pressed quickly. The workaround
* is to hold down each key for about half a second, so that another code is generated
* in the i2c packet, and the function can distinguish key presses.
*
* Sylvain Pasche <sylvain.pasche@gmail.com>
*/
static int get_key_pinnacle_grey(struct IR_i2c *ir, enum rc_type *protocol,
u32 *scancode, u8 *toggle)
{
return get_key_pinnacle(ir, protocol, scancode, toggle, 1, 0xfe, 0xff);
}
/* The new pinnacle PCTV remote (with the colored buttons)
*
* Ricardo Cerqueira <v4l@cerqueira.org>
*/
static int get_key_pinnacle_color(struct IR_i2c *ir, enum rc_type *protocol,
u32 *scancode, u8 *toggle)
{
/* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
*
* this is the only value that results in 42 unique
* codes < 128
*/
return get_key_pinnacle(ir, protocol, scancode, toggle, 2, 0x80, 0x88);
}
void saa7134_input_irq(struct saa7134_dev *dev)
{
struct saa7134_card_ir *ir;
if (!dev || !dev->remote)
return;
ir = dev->remote;
if (!ir->running)
return;
if (!ir->polling && !ir->raw_decode) {
build_key(dev);
} else if (ir->raw_decode) {
saa7134_raw_decode_irq(dev);
}
}
static void saa7134_input_timer(unsigned long data)
{
struct saa7134_dev *dev = (struct saa7134_dev *)data;
struct saa7134_card_ir *ir = dev->remote;
build_key(dev);
mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
}
static void ir_raw_decode_timer_end(unsigned long data)
{
struct saa7134_dev *dev = (struct saa7134_dev *)data;
ir_raw_event_handle(dev->remote->dev);
}
static int __saa7134_ir_start(void *priv)
{
struct saa7134_dev *dev = priv;
struct saa7134_card_ir *ir;
if (!dev || !dev->remote)
return -EINVAL;
ir = dev->remote;
if (ir->running)
return 0;
/* Moved here from saa7134_input_init1() because the latter
* is not called on device resume */
switch (dev->board) {
case SAA7134_BOARD_MD2819:
case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
case SAA7134_BOARD_AVERMEDIA_305:
case SAA7134_BOARD_AVERMEDIA_307:
case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
case SAA7134_BOARD_AVERMEDIA_M102:
case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
/* Without this we won't receive key up events */
saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
break;
case SAA7134_BOARD_AVERMEDIA_777:
case SAA7134_BOARD_AVERMEDIA_A16AR:
/* Without this we won't receive key up events */
saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
break;
case SAA7134_BOARD_AVERMEDIA_A16D:
/* Without this we won't receive key up events */
saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
break;
case SAA7134_BOARD_GOTVIEW_7135:
saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
break;
}
ir->running = true;
if (ir->polling) {
setup_timer(&ir->timer, saa7134_input_timer,
(unsigned long)dev);
ir->timer.expires = jiffies + HZ;
add_timer(&ir->timer);
} else if (ir->raw_decode) {
/* set timer_end for code completion */
setup_timer(&ir->timer, ir_raw_decode_timer_end,
(unsigned long)dev);
}
return 0;
}
static void __saa7134_ir_stop(void *priv)
{
struct saa7134_dev *dev = priv;
struct saa7134_card_ir *ir;
if (!dev || !dev->remote)
return;
ir = dev->remote;
if (!ir->running)
return;
if (ir->polling || ir->raw_decode)
del_timer_sync(&ir->timer);
ir->running = false;
return;
}
int saa7134_ir_start(struct saa7134_dev *dev)
{
if (dev->remote->users)
return __saa7134_ir_start(dev);
return 0;
}
void saa7134_ir_stop(struct saa7134_dev *dev)
{
if (dev->remote->users)
__saa7134_ir_stop(dev);
}
static int saa7134_ir_open(struct rc_dev *rc)
{
struct saa7134_dev *dev = rc->priv;
dev->remote->users++;
return __saa7134_ir_start(dev);
}
static void saa7134_ir_close(struct rc_dev *rc)
{
struct saa7134_dev *dev = rc->priv;
dev->remote->users--;
if (!dev->remote->users)
__saa7134_ir_stop(dev);
}
int saa7134_input_init1(struct saa7134_dev *dev)
{
struct saa7134_card_ir *ir;
struct rc_dev *rc;
char *ir_codes = NULL;
u32 mask_keycode = 0;
u32 mask_keydown = 0;
u32 mask_keyup = 0;
unsigned polling = 0;
bool raw_decode = false;
int err;
if (dev->has_remote != SAA7134_REMOTE_GPIO)
return -ENODEV;
if (disable_ir)
return -ENODEV;
/* detect & configure */
switch (dev->board) {
case SAA7134_BOARD_FLYVIDEO2000:
case SAA7134_BOARD_FLYVIDEO3000:
case SAA7134_BOARD_FLYTVPLATINUM_FM:
case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM:
ir_codes = RC_MAP_FLYVIDEO;
mask_keycode = 0xEC00000;
mask_keydown = 0x0040000;
break;
case SAA7134_BOARD_CINERGY400:
case SAA7134_BOARD_CINERGY600:
case SAA7134_BOARD_CINERGY600_MK3:
ir_codes = RC_MAP_CINERGY;
mask_keycode = 0x00003f;
mask_keyup = 0x040000;
break;
case SAA7134_BOARD_ECS_TVP3XP:
case SAA7134_BOARD_ECS_TVP3XP_4CB5:
ir_codes = RC_MAP_EZTV;
mask_keycode = 0x00017c;
mask_keyup = 0x000002;
polling = 50; // ms
break;
case SAA7134_BOARD_KWORLD_XPERT:
case SAA7134_BOARD_AVACSSMARTTV:
ir_codes = RC_MAP_PIXELVIEW;
mask_keycode = 0x00001F;
mask_keyup = 0x000020;
polling = 50; // ms
break;
case SAA7134_BOARD_MD2819:
case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
case SAA7134_BOARD_AVERMEDIA_305:
case SAA7134_BOARD_AVERMEDIA_307:
case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
case SAA7134_BOARD_AVERMEDIA_M102:
case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
ir_codes = RC_MAP_AVERMEDIA;
mask_keycode = 0x0007C8;
mask_keydown = 0x000010;
polling = 50; // ms
/* GPIO stuff moved to __saa7134_ir_start() */
break;
case SAA7134_BOARD_AVERMEDIA_M135A:
ir_codes = RC_MAP_AVERMEDIA_M135A;
mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
mask_keyup = 0x0040000;
mask_keycode = 0xffff;
raw_decode = true;
break;
case SAA7134_BOARD_AVERMEDIA_M733A:
ir_codes = RC_MAP_AVERMEDIA_M733A_RM_K6;
mask_keydown = 0x0040000;
mask_keyup = 0x0040000;
mask_keycode = 0xffff;
raw_decode = true;
break;
case SAA7134_BOARD_AVERMEDIA_777:
case SAA7134_BOARD_AVERMEDIA_A16AR:
ir_codes = RC_MAP_AVERMEDIA;
mask_keycode = 0x02F200;
mask_keydown = 0x000400;
polling = 50; // ms
/* GPIO stuff moved to __saa7134_ir_start() */
break;
case SAA7134_BOARD_AVERMEDIA_A16D:
ir_codes = RC_MAP_AVERMEDIA_A16D;
mask_keycode = 0x02F200;
mask_keydown = 0x000400;
polling = 50; /* ms */
/* GPIO stuff moved to __saa7134_ir_start() */
break;
case SAA7134_BOARD_KWORLD_TERMINATOR:
ir_codes = RC_MAP_PIXELVIEW;
mask_keycode = 0x00001f;
mask_keyup = 0x000060;
polling = 50; // ms
break;
case SAA7134_BOARD_MANLI_MTV001:
case SAA7134_BOARD_MANLI_MTV002:
ir_codes = RC_MAP_MANLI;
mask_keycode = 0x001f00;
mask_keyup = 0x004000;
polling = 50; /* ms */
break;
case SAA7134_BOARD_BEHOLD_409FM:
case SAA7134_BOARD_BEHOLD_401:
case SAA7134_BOARD_BEHOLD_403:
case SAA7134_BOARD_BEHOLD_403FM:
case SAA7134_BOARD_BEHOLD_405:
case SAA7134_BOARD_BEHOLD_405FM:
case SAA7134_BOARD_BEHOLD_407:
case SAA7134_BOARD_BEHOLD_407FM:
case SAA7134_BOARD_BEHOLD_409:
case SAA7134_BOARD_BEHOLD_505FM:
case SAA7134_BOARD_BEHOLD_505RDS_MK5:
case SAA7134_BOARD_BEHOLD_505RDS_MK3:
case SAA7134_BOARD_BEHOLD_507_9FM:
case SAA7134_BOARD_BEHOLD_507RDS_MK3:
case SAA7134_BOARD_BEHOLD_507RDS_MK5:
ir_codes = RC_MAP_MANLI;
mask_keycode = 0x003f00;
mask_keyup = 0x004000;
polling = 50; /* ms */
break;
case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
ir_codes = RC_MAP_BEHOLD_COLUMBUS;
mask_keycode = 0x003f00;
mask_keyup = 0x004000;
polling = 50; // ms
break;
case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
ir_codes = RC_MAP_PCTV_SEDNA;
mask_keycode = 0x001f00;
mask_keyup = 0x004000;
polling = 50; // ms
break;
case SAA7134_BOARD_GOTVIEW_7135:
ir_codes = RC_MAP_GOTVIEW7135;
mask_keycode = 0x0003CC;
mask_keydown = 0x000010;
polling = 5; /* ms */
/* GPIO stuff moved to __saa7134_ir_start() */
break;
case SAA7134_BOARD_VIDEOMATE_TV_PVR:
case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
ir_codes = RC_MAP_VIDEOMATE_TV_PVR;
mask_keycode = 0x00003F;
mask_keyup = 0x400000;
polling = 50; // ms
break;
case SAA7134_BOARD_PROTEUS_2309:
ir_codes = RC_MAP_PROTEUS_2309;
mask_keycode = 0x00007F;
mask_keyup = 0x000080;
polling = 50; // ms
break;
case SAA7134_BOARD_VIDEOMATE_DVBT_300:
case SAA7134_BOARD_VIDEOMATE_DVBT_200:
ir_codes = RC_MAP_VIDEOMATE_TV_PVR;
mask_keycode = 0x003F00;
mask_keyup = 0x040000;
break;
case SAA7134_BOARD_FLYDVBS_LR300:
case SAA7134_BOARD_FLYDVBT_LR301:
case SAA7134_BOARD_FLYDVBTDUO:
ir_codes = RC_MAP_FLYDVB;
mask_keycode = 0x0001F00;
mask_keydown = 0x0040000;
break;
case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
ir_codes = RC_MAP_ASUS_PC39;
mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
mask_keyup = 0x0040000;
mask_keycode = 0xffff;
raw_decode = true;
break;
case SAA7134_BOARD_ASUSTeK_PS3_100:
ir_codes = RC_MAP_ASUS_PS3_100;
mask_keydown = 0x0040000;
mask_keyup = 0x0040000;
mask_keycode = 0xffff;
raw_decode = true;
break;
case SAA7134_BOARD_ENCORE_ENLTV:
case SAA7134_BOARD_ENCORE_ENLTV_FM:
ir_codes = RC_MAP_ENCORE_ENLTV;
mask_keycode = 0x00007f;
mask_keyup = 0x040000;
polling = 50; // ms
break;
case SAA7134_BOARD_ENCORE_ENLTV_FM53:
case SAA7134_BOARD_ENCORE_ENLTV_FM3:
ir_codes = RC_MAP_ENCORE_ENLTV_FM53;
mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
mask_keyup = 0x0040000;
mask_keycode = 0xffff;
raw_decode = true;
break;
case SAA7134_BOARD_10MOONSTVMASTER3:
ir_codes = RC_MAP_ENCORE_ENLTV;
mask_keycode = 0x5f80000;
mask_keyup = 0x8000000;
polling = 50; //ms
break;
case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
ir_codes = RC_MAP_GENIUS_TVGO_A11MCE;
mask_keycode = 0xff;
mask_keydown = 0xf00000;
polling = 50; /* ms */
break;
case SAA7134_BOARD_REAL_ANGEL_220:
ir_codes = RC_MAP_REAL_AUDIO_220_32_KEYS;
mask_keycode = 0x3f00;
mask_keyup = 0x4000;
polling = 50; /* ms */
break;
case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
ir_codes = RC_MAP_KWORLD_PLUS_TV_ANALOG;
mask_keycode = 0x7f;
polling = 40; /* ms */
break;
case SAA7134_BOARD_VIDEOMATE_S350:
ir_codes = RC_MAP_VIDEOMATE_S350;
mask_keycode = 0x003f00;
mask_keydown = 0x040000;
break;
case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S:
ir_codes = RC_MAP_WINFAST;
mask_keycode = 0x5f00;
mask_keyup = 0x020000;
polling = 50; /* ms */
break;
case SAA7134_BOARD_VIDEOMATE_M1F:
ir_codes = RC_MAP_VIDEOMATE_K100;
mask_keycode = 0x0ff00;
mask_keyup = 0x040000;
break;
case SAA7134_BOARD_HAUPPAUGE_HVR1150:
case SAA7134_BOARD_HAUPPAUGE_HVR1120:
ir_codes = RC_MAP_HAUPPAUGE;
mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
mask_keyup = 0x0040000;
mask_keycode = 0xffff;
raw_decode = true;
break;
}
if (NULL == ir_codes) {
printk("%s: Oops: IR config error [card=%d]\n",
dev->name, dev->board);
return -ENODEV;
}
ir = kzalloc(sizeof(*ir), GFP_KERNEL);
rc = rc_allocate_device();
if (!ir || !rc) {
err = -ENOMEM;
goto err_out_free;
}
ir->dev = rc;
dev->remote = ir;
/* init hardware-specific stuff */
ir->mask_keycode = mask_keycode;
ir->mask_keydown = mask_keydown;
ir->mask_keyup = mask_keyup;
ir->polling = polling;
ir->raw_decode = raw_decode;
/* init input device */
snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
saa7134_boards[dev->board].name);
snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
pci_name(dev->pci));
rc->priv = dev;
rc->open = saa7134_ir_open;
rc->close = saa7134_ir_close;
if (raw_decode)
rc->driver_type = RC_DRIVER_IR_RAW;
rc->input_name = ir->name;
rc->input_phys = 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->map_name = ir_codes;
rc->driver_name = MODULE_NAME;
err = rc_register_device(rc);
if (err)
goto err_out_free;
return 0;
err_out_free:
rc_free_device(rc);
dev->remote = NULL;
kfree(ir);
return err;
}
void saa7134_input_fini(struct saa7134_dev *dev)
{
if (NULL == dev->remote)
return;
saa7134_ir_stop(dev);
rc_unregister_device(dev->remote->dev);
kfree(dev->remote);
dev->remote = NULL;
}
void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
{
struct i2c_board_info info;
struct i2c_msg msg_msi = {
.addr = 0x50,
.flags = I2C_M_RD,
.len = 0,
.buf = NULL,
};
int rc;
if (disable_ir) {
dprintk("IR has been disabled, not probing for i2c remote\n");
return;
}
memset(&info, 0, sizeof(struct i2c_board_info));
memset(&dev->init_data, 0, sizeof(dev->init_data));
strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
switch (dev->board) {
case SAA7134_BOARD_PINNACLE_PCTV_110i:
case SAA7134_BOARD_PINNACLE_PCTV_310i:
dev->init_data.name = "Pinnacle PCTV";
if (pinnacle_remote == 0) {
dev->init_data.get_key = get_key_pinnacle_color;
dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR;
info.addr = 0x47;
} else {
dev->init_data.get_key = get_key_pinnacle_grey;
dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY;
info.addr = 0x47;
}
break;
case SAA7134_BOARD_UPMOST_PURPLE_TV:
dev->init_data.name = "Purple TV";
dev->init_data.get_key = get_key_purpletv;
dev->init_data.ir_codes = RC_MAP_PURPLETV;
info.addr = 0x7a;
break;
case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
dev->init_data.name = "MSI TV@nywhere Plus";
dev->init_data.get_key = get_key_msi_tvanywhere_plus;
dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
/*
* MSI TV@nyware Plus requires more frequent polling
* otherwise it will miss some keypresses
*/
dev->init_data.polling_interval = 50;
info.addr = 0x30;
/* MSI TV@nywhere Plus controller doesn't seem to
respond to probes unless we read something from
an existing device. Weird...
REVISIT: might no longer be needed */
rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
dprintk("probe 0x%02x @ %s: %s\n",
msg_msi.addr, dev->i2c_adap.name,
(1 == rc) ? "yes" : "no");
break;
case SAA7134_BOARD_KWORLD_PC150U:
/* copied and modified from MSI TV@nywhere Plus */
dev->init_data.name = "Kworld PC150-U";
dev->init_data.get_key = get_key_kworld_pc150u;
dev->init_data.ir_codes = RC_MAP_KWORLD_PC150U;
info.addr = 0x30;
/* MSI TV@nywhere Plus controller doesn't seem to
respond to probes unless we read something from
an existing device. Weird...
REVISIT: might no longer be needed */
rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
dprintk("probe 0x%02x @ %s: %s\n",
msg_msi.addr, dev->i2c_adap.name,
(1 == rc) ? "yes" : "no");
break;
case SAA7134_BOARD_HAUPPAUGE_HVR1110:
dev->init_data.name = "HVR 1110";
dev->init_data.get_key = get_key_hvr1110;
dev->init_data.ir_codes = RC_MAP_HAUPPAUGE;
info.addr = 0x71;
break;
case SAA7134_BOARD_BEHOLD_607FM_MK3:
case SAA7134_BOARD_BEHOLD_607FM_MK5:
case SAA7134_BOARD_BEHOLD_609FM_MK3:
case SAA7134_BOARD_BEHOLD_609FM_MK5:
case SAA7134_BOARD_BEHOLD_607RDS_MK3:
case SAA7134_BOARD_BEHOLD_607RDS_MK5:
case SAA7134_BOARD_BEHOLD_609RDS_MK3:
case SAA7134_BOARD_BEHOLD_609RDS_MK5:
case SAA7134_BOARD_BEHOLD_M6:
case SAA7134_BOARD_BEHOLD_M63:
case SAA7134_BOARD_BEHOLD_M6_EXTRA:
case SAA7134_BOARD_BEHOLD_H6:
case SAA7134_BOARD_BEHOLD_X7:
case SAA7134_BOARD_BEHOLD_H7:
case SAA7134_BOARD_BEHOLD_A7:
dev->init_data.name = "BeholdTV";
dev->init_data.get_key = get_key_beholdm6xx;
dev->init_data.ir_codes = RC_MAP_BEHOLD;
dev->init_data.type = RC_BIT_NEC;
info.addr = 0x2d;
break;
case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
info.addr = 0x40;
break;
case SAA7134_BOARD_AVERMEDIA_A706:
info.addr = 0x41;
break;
case SAA7134_BOARD_FLYDVB_TRIO:
dev->init_data.name = "FlyDVB Trio";
dev->init_data.get_key = get_key_flydvb_trio;
dev->init_data.ir_codes = RC_MAP_FLYDVB;
info.addr = 0x0b;
break;
default:
dprintk("No I2C IR support for board %x\n", dev->board);
return;
}
if (dev->init_data.name)
info.platform_data = &dev->init_data;
i2c_new_device(&dev->i2c_adap, &info);
}
static int saa7134_raw_decode_irq(struct saa7134_dev *dev)
{
struct saa7134_card_ir *ir = dev->remote;
unsigned long timeout;
int space;
/* Generate initial event */
saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
ir_raw_event_store_edge(dev->remote->dev, space ? IR_SPACE : IR_PULSE);
/*
* Wait 15 ms from the start of the first IR event before processing
* the event. This time is enough for NEC protocol. May need adjustments
* to work with other protocols.
*/
smp_mb();
if (!timer_pending(&ir->timer)) {
timeout = jiffies + msecs_to_jiffies(15);
mod_timer(&ir->timer, timeout);
}
return 1;
}
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