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path: root/drivers/media/video/cx88/cx88-input.c
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Diffstat (limited to 'drivers/media/video/cx88/cx88-input.c')
-rw-r--r--drivers/media/video/cx88/cx88-input.c282
1 files changed, 120 insertions, 162 deletions
diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c
index fc777bc6e716..06f7d1d00944 100644
--- a/drivers/media/video/cx88/cx88-input.c
+++ b/drivers/media/video/cx88/cx88-input.c
@@ -24,14 +24,12 @@
#include <linux/init.h>
#include <linux/hrtimer.h>
-#include <linux/input.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/module.h>
#include "cx88.h"
-#include <media/ir-core.h>
-#include <media/ir-common.h>
+#include <media/rc-core.h>
#define MODULE_NAME "cx88xx"
@@ -39,9 +37,7 @@
struct cx88_IR {
struct cx88_core *core;
- struct input_dev *input;
- struct ir_dev_props props;
- u64 ir_type;
+ struct rc_dev *dev;
int users;
@@ -50,8 +46,6 @@ struct cx88_IR {
/* sample from gpio pin 16 */
u32 sampling;
- u32 samples[16];
- int scount;
/* poll external decoder */
int polling;
@@ -63,6 +57,10 @@ struct cx88_IR {
u32 mask_keyup;
};
+static unsigned ir_samplerate = 4;
+module_param(ir_samplerate, uint, 0444);
+MODULE_PARM_DESC(ir_samplerate, "IR samplerate in kHz, 1 - 20, default 4");
+
static int ir_debug;
module_param(ir_debug, int, 0644); /* debug level [IR] */
MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
@@ -70,6 +68,9 @@ MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
#define ir_dprintk(fmt, arg...) if (ir_debug) \
printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg)
+#define dprintk(fmt, arg...) if (ir_debug) \
+ printk(KERN_DEBUG "cx88 IR: " fmt , ##arg)
+
/* ---------------------------------------------------------------------- */
static void cx88_ir_handle_key(struct cx88_IR *ir)
@@ -125,21 +126,26 @@ static void cx88_ir_handle_key(struct cx88_IR *ir)
data = (data << 4) | ((gpio_key & 0xf0) >> 4);
- ir_keydown(ir->input, data, 0);
+ rc_keydown(ir->dev, data, 0);
} else if (ir->mask_keydown) {
/* bit set on keydown */
if (gpio & ir->mask_keydown)
- ir_keydown(ir->input, data, 0);
+ rc_keydown_notimeout(ir->dev, data, 0);
+ else
+ rc_keyup(ir->dev);
} else if (ir->mask_keyup) {
/* bit cleared on keydown */
if (0 == (gpio & ir->mask_keyup))
- ir_keydown(ir->input, data, 0);
+ rc_keydown_notimeout(ir->dev, data, 0);
+ else
+ rc_keyup(ir->dev);
} else {
/* can't distinguish keydown/up :-/ */
- ir_keydown(ir->input, data, 0);
+ rc_keydown_notimeout(ir->dev, data, 0);
+ rc_keyup(ir->dev);
}
}
@@ -176,8 +182,8 @@ static int __cx88_ir_start(void *priv)
}
if (ir->sampling) {
core->pci_irqmask |= PCI_INT_IR_SMPINT;
- cx_write(MO_DDS_IO, 0xa80a80); /* 4 kHz sample rate */
- cx_write(MO_DDSCFG_IO, 0x5); /* enable */
+ cx_write(MO_DDS_IO, 0x33F286 * ir_samplerate); /* samplerate */
+ cx_write(MO_DDSCFG_IO, 0x5); /* enable */
}
return 0;
}
@@ -214,17 +220,17 @@ void cx88_ir_stop(struct cx88_core *core)
__cx88_ir_stop(core);
}
-static int cx88_ir_open(void *priv)
+static int cx88_ir_open(struct rc_dev *rc)
{
- struct cx88_core *core = priv;
+ struct cx88_core *core = rc->priv;
core->ir->users++;
return __cx88_ir_start(core);
}
-static void cx88_ir_close(void *priv)
+static void cx88_ir_close(struct rc_dev *rc)
{
- struct cx88_core *core = priv;
+ struct cx88_core *core = rc->priv;
core->ir->users--;
if (!core->ir->users)
@@ -236,20 +242,20 @@ static void cx88_ir_close(void *priv)
int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
{
struct cx88_IR *ir;
- struct input_dev *input_dev;
+ struct rc_dev *dev;
char *ir_codes = NULL;
- u64 ir_type = IR_TYPE_OTHER;
+ u64 rc_type = RC_TYPE_OTHER;
int err = -ENOMEM;
u32 hardware_mask = 0; /* For devices with a hardware mask, when
* used with a full-code IR table
*/
ir = kzalloc(sizeof(*ir), GFP_KERNEL);
- input_dev = input_allocate_device();
- if (!ir || !input_dev)
+ dev = rc_allocate_device();
+ if (!ir || !dev)
goto err_out_free;
- ir->input = input_dev;
+ ir->dev = dev;
/* detect & configure */
switch (core->boardnr) {
@@ -264,7 +270,6 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
break;
case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
ir_codes = RC_MAP_CINERGY_1400;
- ir_type = IR_TYPE_NEC;
ir->sampling = 0xeb04; /* address */
break;
case CX88_BOARD_HAUPPAUGE:
@@ -279,7 +284,6 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
case CX88_BOARD_PCHDTV_HD5500:
case CX88_BOARD_HAUPPAUGE_IRONLY:
ir_codes = RC_MAP_HAUPPAUGE_NEW;
- ir_type = IR_TYPE_RC5;
ir->sampling = 1;
break;
case CX88_BOARD_WINFAST_DTV2000H:
@@ -367,18 +371,15 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
case CX88_BOARD_PROF_7301:
case CX88_BOARD_PROF_6200:
ir_codes = RC_MAP_TBS_NEC;
- ir_type = IR_TYPE_NEC;
ir->sampling = 0xff00; /* address */
break;
case CX88_BOARD_TEVII_S460:
case CX88_BOARD_TEVII_S420:
ir_codes = RC_MAP_TEVII_NEC;
- ir_type = IR_TYPE_NEC;
ir->sampling = 0xff00; /* address */
break;
case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
ir_codes = RC_MAP_DNTV_LIVE_DVBT_PRO;
- ir_type = IR_TYPE_NEC;
ir->sampling = 0xff00; /* address */
break;
case CX88_BOARD_NORWOOD_MICRO:
@@ -396,7 +397,6 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
break;
case CX88_BOARD_PINNACLE_PCTV_HD_800i:
ir_codes = RC_MAP_PINNACLE_PCTV_HD;
- ir_type = IR_TYPE_RC5;
ir->sampling = 1;
break;
case CX88_BOARD_POWERCOLOR_REAL_ANGEL:
@@ -407,12 +407,12 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
break;
case CX88_BOARD_TWINHAN_VP1027_DVBS:
ir_codes = RC_MAP_TWINHAN_VP1027_DVBS;
- ir_type = IR_TYPE_NEC;
+ rc_type = RC_TYPE_NEC;
ir->sampling = 0xff00; /* address */
break;
}
- if (NULL == ir_codes) {
+ if (!ir_codes) {
err = -ENODEV;
goto err_out_free;
}
@@ -436,37 +436,45 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)", core->board.name);
snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci));
- ir->ir_type = ir_type;
-
- input_dev->name = ir->name;
- input_dev->phys = ir->phys;
- input_dev->id.bustype = BUS_PCI;
- input_dev->id.version = 1;
+ dev->input_name = ir->name;
+ dev->input_phys = ir->phys;
+ dev->input_id.bustype = BUS_PCI;
+ dev->input_id.version = 1;
if (pci->subsystem_vendor) {
- input_dev->id.vendor = pci->subsystem_vendor;
- input_dev->id.product = pci->subsystem_device;
+ dev->input_id.vendor = pci->subsystem_vendor;
+ dev->input_id.product = pci->subsystem_device;
} else {
- input_dev->id.vendor = pci->vendor;
- input_dev->id.product = pci->device;
+ dev->input_id.vendor = pci->vendor;
+ dev->input_id.product = pci->device;
}
- input_dev->dev.parent = &pci->dev;
- /* record handles to ourself */
+ dev->dev.parent = &pci->dev;
+ dev->map_name = ir_codes;
+ dev->driver_name = MODULE_NAME;
+ dev->priv = core;
+ dev->open = cx88_ir_open;
+ dev->close = cx88_ir_close;
+ dev->scanmask = hardware_mask;
+
+ if (ir->sampling) {
+ dev->driver_type = RC_DRIVER_IR_RAW;
+ dev->timeout = 10 * 1000 * 1000; /* 10 ms */
+ } else {
+ dev->driver_type = RC_DRIVER_SCANCODE;
+ dev->allowed_protos = rc_type;
+ }
+
ir->core = core;
core->ir = ir;
- ir->props.priv = core;
- ir->props.open = cx88_ir_open;
- ir->props.close = cx88_ir_close;
- ir->props.scanmask = hardware_mask;
-
/* all done */
- err = ir_input_register(ir->input, ir_codes, &ir->props, MODULE_NAME);
+ err = rc_register_device(dev);
if (err)
goto err_out_free;
return 0;
- err_out_free:
+err_out_free:
+ rc_free_device(dev);
core->ir = NULL;
kfree(ir);
return err;
@@ -481,7 +489,7 @@ int cx88_ir_fini(struct cx88_core *core)
return 0;
cx88_ir_stop(core);
- ir_input_unregister(ir->input);
+ rc_unregister_device(ir->dev);
kfree(ir);
/* done */
@@ -494,135 +502,75 @@ int cx88_ir_fini(struct cx88_core *core)
void cx88_ir_irq(struct cx88_core *core)
{
struct cx88_IR *ir = core->ir;
- u32 samples, ircode;
- int i, start, range, toggle, dev, code;
+ u32 samples;
+ unsigned todo, bits;
+ struct ir_raw_event ev;
- if (NULL == ir)
- return;
- if (!ir->sampling)
+ if (!ir || !ir->sampling)
return;
+ /*
+ * Samples are stored in a 32 bit register, oldest sample in
+ * the msb. A set bit represents space and an unset bit
+ * represents a pulse.
+ */
samples = cx_read(MO_SAMPLE_IO);
- if (0 != samples && 0xffffffff != samples) {
- /* record sample data */
- if (ir->scount < ARRAY_SIZE(ir->samples))
- ir->samples[ir->scount++] = samples;
- return;
- }
- if (!ir->scount) {
- /* nothing to sample */
- return;
- }
-
- /* have a complete sample */
- if (ir->scount < ARRAY_SIZE(ir->samples))
- ir->samples[ir->scount++] = samples;
- for (i = 0; i < ir->scount; i++)
- ir->samples[i] = ~ir->samples[i];
- if (ir_debug)
- ir_dump_samples(ir->samples, ir->scount);
- /* decode it */
- switch (core->boardnr) {
- case CX88_BOARD_TEVII_S460:
- case CX88_BOARD_TEVII_S420:
- case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
- case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
- case CX88_BOARD_OMICOM_SS4_PCI:
- case CX88_BOARD_SATTRADE_ST4200:
- case CX88_BOARD_TBS_8920:
- case CX88_BOARD_TBS_8910:
- case CX88_BOARD_PROF_7300:
- case CX88_BOARD_PROF_7301:
- case CX88_BOARD_PROF_6200:
- case CX88_BOARD_TWINHAN_VP1027_DVBS:
- ircode = ir_decode_pulsedistance(ir->samples, ir->scount, 1, 4);
-
- if (ircode == 0xffffffff) { /* decoding error */
- ir_dprintk("pulse distance decoding error\n");
- break;
- }
-
- ir_dprintk("pulse distance decoded: %x\n", ircode);
+ if (samples == 0xff && ir->dev->idle)
+ return;
- if (ircode == 0) { /* key still pressed */
- ir_dprintk("pulse distance decoded repeat code\n");
- ir_repeat(ir->input);
- break;
- }
+ init_ir_raw_event(&ev);
+ for (todo = 32; todo > 0; todo -= bits) {
+ ev.pulse = samples & 0x80000000 ? false : true;
+ bits = min(todo, 32U - fls(ev.pulse ? samples : ~samples));
+ ev.duration = (bits * NSEC_PER_SEC) / (1000 * ir_samplerate);
+ ir_raw_event_store_with_filter(ir->dev, &ev);
+ samples <<= bits;
+ }
+ ir_raw_event_handle(ir->dev);
+}
- if ((ircode & 0xffff) != (ir->sampling & 0xffff)) { /* wrong address */
- ir_dprintk("pulse distance decoded wrong address\n");
- break;
- }
+static int get_key_pvr2000(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+ int flags, code;
- if (((~ircode >> 24) & 0xff) != ((ircode >> 16) & 0xff)) { /* wrong checksum */
- ir_dprintk("pulse distance decoded wrong check sum\n");
- break;
- }
+ /* poll IR chip */
+ flags = i2c_smbus_read_byte_data(ir->c, 0x10);
+ if (flags < 0) {
+ dprintk("read error\n");
+ return 0;
+ }
+ /* key pressed ? */
+ if (0 == (flags & 0x80))
+ return 0;
- ir_dprintk("Key Code: %x\n", (ircode >> 16) & 0xff);
- ir_keydown(ir->input, (ircode >> 16) & 0xff, 0);
- break;
- case CX88_BOARD_HAUPPAUGE:
- case CX88_BOARD_HAUPPAUGE_DVB_T1:
- case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
- case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
- case CX88_BOARD_HAUPPAUGE_HVR1100:
- case CX88_BOARD_HAUPPAUGE_HVR3000:
- case CX88_BOARD_HAUPPAUGE_HVR4000:
- case CX88_BOARD_HAUPPAUGE_HVR4000LITE:
- case CX88_BOARD_PCHDTV_HD3000:
- case CX88_BOARD_PCHDTV_HD5500:
- case CX88_BOARD_HAUPPAUGE_IRONLY:
- ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7);
- ir_dprintk("biphase decoded: %x\n", ircode);
- /*
- * RC5 has an extension bit which adds a new range
- * of available codes, this is detected here. Also
- * hauppauge remotes (black/silver) always use
- * specific device ids. If we do not filter the
- * device ids then messages destined for devices
- * such as TVs (id=0) will get through to the
- * device causing mis-fired events.
- */
- /* split rc5 data block ... */
- start = (ircode & 0x2000) >> 13;
- range = (ircode & 0x1000) >> 12;
- toggle= (ircode & 0x0800) >> 11;
- dev = (ircode & 0x07c0) >> 6;
- code = (ircode & 0x003f) | ((range << 6) ^ 0x0040);
- if( start != 1)
- /* no key pressed */
- break;
- if ( dev != 0x1e && dev != 0x1f )
- /* not a hauppauge remote */
- break;
- ir_keydown(ir->input, code, toggle);
- break;
- case CX88_BOARD_PINNACLE_PCTV_HD_800i:
- ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7);
- ir_dprintk("biphase decoded: %x\n", ircode);
- if ((ircode & 0xfffff000) != 0x3000)
- break;
- /* Note: bit 0x800 being the toggle is assumed, not checked
- with real hardware */
- ir_keydown(ir->input, ircode & 0x3f, ircode & 0x0800 ? 1 : 0);
- break;
+ /* read actual key code */
+ code = i2c_smbus_read_byte_data(ir->c, 0x00);
+ if (code < 0) {
+ dprintk("read error\n");
+ return 0;
}
- ir->scount = 0;
- return;
-}
+ dprintk("IR Key/Flags: (0x%02x/0x%02x)\n",
+ code & 0xff, flags & 0xff);
+ *ir_key = code & 0xff;
+ *ir_raw = code;
+ return 1;
+}
void cx88_i2c_init_ir(struct cx88_core *core)
{
struct i2c_board_info info;
- const unsigned short addr_list[] = {
+ const unsigned short default_addr_list[] = {
0x18, 0x6b, 0x71,
I2C_CLIENT_END
};
+ const unsigned short pvr2000_addr_list[] = {
+ 0x18, 0x1a,
+ I2C_CLIENT_END
+ };
+ const unsigned short *addr_list = default_addr_list;
const unsigned short *addrp;
/* Instantiate the IR receiver device, if present */
if (0 != core->i2c_rc)
@@ -631,6 +579,16 @@ void cx88_i2c_init_ir(struct cx88_core *core)
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
+ switch (core->boardnr) {
+ case CX88_BOARD_LEADTEK_PVR2000:
+ addr_list = pvr2000_addr_list;
+ core->init_data.name = "cx88 Leadtek PVR 2000 remote";
+ core->init_data.type = RC_TYPE_UNKNOWN;
+ core->init_data.get_key = get_key_pvr2000;
+ core->init_data.ir_codes = RC_MAP_EMPTY;
+ break;
+ }
+
/*
* We can't call i2c_new_probed_device() because it uses
* quick writes for probing and at least some RC receiver
@@ -646,7 +604,7 @@ void cx88_i2c_init_ir(struct cx88_core *core)
/* Hauppauge XVR */
core->init_data.name = "cx88 Hauppauge XVR remote";
core->init_data.ir_codes = RC_MAP_HAUPPAUGE_NEW;
- core->init_data.type = IR_TYPE_RC5;
+ core->init_data.type = RC_TYPE_RC5;
core->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR;
info.platform_data = &core->init_data;