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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.c150
1 files changed, 115 insertions, 35 deletions
diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c
index de180d4d5a21..e185289e446c 100644
--- a/drivers/media/video/cx88/cx88-input.c
+++ b/drivers/media/video/cx88/cx88-input.c
@@ -26,17 +26,24 @@
#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-common.h>
+#define MODULE_NAME "cx88xx"
+
/* ---------------------------------------------------------------------- */
struct cx88_IR {
struct cx88_core *core;
struct input_dev *input;
struct ir_input_state ir;
+ struct ir_dev_props props;
+
+ int users;
+
char name[32];
char phys[32];
@@ -158,8 +165,16 @@ static enum hrtimer_restart cx88_ir_work(struct hrtimer *timer)
return HRTIMER_RESTART;
}
-void cx88_ir_start(struct cx88_core *core, struct cx88_IR *ir)
+static int __cx88_ir_start(void *priv)
{
+ struct cx88_core *core = priv;
+ struct cx88_IR *ir;
+
+ if (!core || !core->ir)
+ return -EINVAL;
+
+ ir = core->ir;
+
if (ir->polling) {
hrtimer_init(&ir->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
ir->timer.function = cx88_ir_work;
@@ -172,10 +187,18 @@ void cx88_ir_start(struct cx88_core *core, struct cx88_IR *ir)
cx_write(MO_DDS_IO, 0xa80a80); /* 4 kHz sample rate */
cx_write(MO_DDSCFG_IO, 0x5); /* enable */
}
+ return 0;
}
-void cx88_ir_stop(struct cx88_core *core, struct cx88_IR *ir)
+static void __cx88_ir_stop(void *priv)
{
+ struct cx88_core *core = priv;
+ struct cx88_IR *ir;
+
+ if (!core || !core->ir)
+ return;
+
+ ir = core->ir;
if (ir->sampling) {
cx_write(MO_DDSCFG_IO, 0x0);
core->pci_irqmask &= ~PCI_INT_IR_SMPINT;
@@ -185,15 +208,49 @@ void cx88_ir_stop(struct cx88_core *core, struct cx88_IR *ir)
hrtimer_cancel(&ir->timer);
}
+int cx88_ir_start(struct cx88_core *core)
+{
+ if (core->ir->users)
+ return __cx88_ir_start(core);
+
+ return 0;
+}
+
+void cx88_ir_stop(struct cx88_core *core)
+{
+ if (core->ir->users)
+ __cx88_ir_stop(core);
+}
+
+static int cx88_ir_open(void *priv)
+{
+ struct cx88_core *core = priv;
+
+ core->ir->users++;
+ return __cx88_ir_start(core);
+}
+
+static void cx88_ir_close(void *priv)
+{
+ struct cx88_core *core = priv;
+
+ core->ir->users--;
+ if (!core->ir->users)
+ __cx88_ir_stop(core);
+}
+
/* ---------------------------------------------------------------------- */
int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
{
struct cx88_IR *ir;
struct input_dev *input_dev;
- struct ir_scancode_table *ir_codes = NULL;
+ char *ir_codes = NULL;
u64 ir_type = IR_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();
@@ -207,15 +264,15 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
case CX88_BOARD_DNTV_LIVE_DVB_T:
case CX88_BOARD_KWORLD_DVB_T:
case CX88_BOARD_KWORLD_DVB_T_CX22702:
- ir_codes = &ir_codes_dntv_live_dvb_t_table;
+ ir_codes = RC_MAP_DNTV_LIVE_DVB_T;
ir->gpio_addr = MO_GP1_IO;
ir->mask_keycode = 0x1f;
ir->mask_keyup = 0x60;
ir->polling = 50; /* ms */
break;
case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
- ir_codes = &ir_codes_cinergy_1400_table;
- ir_type = IR_TYPE_PD;
+ ir_codes = RC_MAP_CINERGY_1400;
+ ir_type = IR_TYPE_NEC;
ir->sampling = 0xeb04; /* address */
break;
case CX88_BOARD_HAUPPAUGE:
@@ -229,14 +286,14 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
case CX88_BOARD_PCHDTV_HD3000:
case CX88_BOARD_PCHDTV_HD5500:
case CX88_BOARD_HAUPPAUGE_IRONLY:
- ir_codes = &ir_codes_hauppauge_new_table;
+ ir_codes = RC_MAP_HAUPPAUGE_NEW;
ir_type = IR_TYPE_RC5;
ir->sampling = 1;
break;
case CX88_BOARD_WINFAST_DTV2000H:
case CX88_BOARD_WINFAST_DTV2000H_J:
case CX88_BOARD_WINFAST_DTV1800H:
- ir_codes = &ir_codes_winfast_table;
+ ir_codes = RC_MAP_WINFAST;
ir->gpio_addr = MO_GP0_IO;
ir->mask_keycode = 0x8f8;
ir->mask_keyup = 0x100;
@@ -245,14 +302,14 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
case CX88_BOARD_WINFAST2000XP_EXPERT:
case CX88_BOARD_WINFAST_DTV1000:
case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL:
- ir_codes = &ir_codes_winfast_table;
+ ir_codes = RC_MAP_WINFAST;
ir->gpio_addr = MO_GP0_IO;
ir->mask_keycode = 0x8f8;
ir->mask_keyup = 0x100;
ir->polling = 1; /* ms */
break;
case CX88_BOARD_IODATA_GVBCTV7E:
- ir_codes = &ir_codes_iodata_bctv7e_table;
+ ir_codes = RC_MAP_IODATA_BCTV7E;
ir->gpio_addr = MO_GP0_IO;
ir->mask_keycode = 0xfd;
ir->mask_keydown = 0x02;
@@ -260,36 +317,43 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
break;
case CX88_BOARD_PROLINK_PLAYTVPVR:
case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO:
- ir_codes = &ir_codes_pixelview_table;
+ /*
+ * It seems that this hardware is paired with NEC extended
+ * address 0x866b. So, unfortunately, its usage with other
+ * IR's with different address won't work. Still, there are
+ * other IR's from the same manufacturer that works, like the
+ * 002-T mini RC, provided with newer PV hardware
+ */
+ ir_codes = RC_MAP_PIXELVIEW_MK12;
ir->gpio_addr = MO_GP1_IO;
- ir->mask_keycode = 0x1f;
ir->mask_keyup = 0x80;
- ir->polling = 1; /* ms */
+ ir->polling = 10; /* ms */
+ hardware_mask = 0x3f; /* Hardware returns only 6 bits from command part */
break;
case CX88_BOARD_PROLINK_PV_8000GT:
case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME:
- ir_codes = &ir_codes_pixelview_new_table;
+ ir_codes = RC_MAP_PIXELVIEW_NEW;
ir->gpio_addr = MO_GP1_IO;
ir->mask_keycode = 0x3f;
ir->mask_keyup = 0x80;
ir->polling = 1; /* ms */
break;
case CX88_BOARD_KWORLD_LTV883:
- ir_codes = &ir_codes_pixelview_table;
+ ir_codes = RC_MAP_PIXELVIEW;
ir->gpio_addr = MO_GP1_IO;
ir->mask_keycode = 0x1f;
ir->mask_keyup = 0x60;
ir->polling = 1; /* ms */
break;
case CX88_BOARD_ADSTECH_DVB_T_PCI:
- ir_codes = &ir_codes_adstech_dvb_t_pci_table;
+ ir_codes = RC_MAP_ADSTECH_DVB_T_PCI;
ir->gpio_addr = MO_GP1_IO;
ir->mask_keycode = 0xbf;
ir->mask_keyup = 0x40;
ir->polling = 50; /* ms */
break;
case CX88_BOARD_MSI_TVANYWHERE_MASTER:
- ir_codes = &ir_codes_msi_tvanywhere_table;
+ ir_codes = RC_MAP_MSI_TVANYWHERE;
ir->gpio_addr = MO_GP1_IO;
ir->mask_keycode = 0x1f;
ir->mask_keyup = 0x40;
@@ -297,7 +361,7 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
break;
case CX88_BOARD_AVERTV_303:
case CX88_BOARD_AVERTV_STUDIO_303:
- ir_codes = &ir_codes_avertv_303_table;
+ ir_codes = RC_MAP_AVERTV_303;
ir->gpio_addr = MO_GP2_IO;
ir->mask_keycode = 0xfb;
ir->mask_keydown = 0x02;
@@ -310,41 +374,41 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
case CX88_BOARD_PROF_7300:
case CX88_BOARD_PROF_7301:
case CX88_BOARD_PROF_6200:
- ir_codes = &ir_codes_tbs_nec_table;
- ir_type = IR_TYPE_PD;
+ 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 = &ir_codes_tevii_nec_table;
- ir_type = IR_TYPE_PD;
+ 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 = &ir_codes_dntv_live_dvbt_pro_table;
- ir_type = IR_TYPE_PD;
+ ir_codes = RC_MAP_DNTV_LIVE_DVBT_PRO;
+ ir_type = IR_TYPE_NEC;
ir->sampling = 0xff00; /* address */
break;
case CX88_BOARD_NORWOOD_MICRO:
- ir_codes = &ir_codes_norwood_table;
+ ir_codes = RC_MAP_NORWOOD;
ir->gpio_addr = MO_GP1_IO;
ir->mask_keycode = 0x0e;
ir->mask_keyup = 0x80;
ir->polling = 50; /* ms */
break;
case CX88_BOARD_NPGTECH_REALTV_TOP10FM:
- ir_codes = &ir_codes_npgtech_table;
+ ir_codes = RC_MAP_NPGTECH;
ir->gpio_addr = MO_GP0_IO;
ir->mask_keycode = 0xfa;
ir->polling = 50; /* ms */
break;
case CX88_BOARD_PINNACLE_PCTV_HD_800i:
- ir_codes = &ir_codes_pinnacle_pctv_hd_table;
+ ir_codes = RC_MAP_PINNACLE_PCTV_HD;
ir_type = IR_TYPE_RC5;
ir->sampling = 1;
break;
case CX88_BOARD_POWERCOLOR_REAL_ANGEL:
- ir_codes = &ir_codes_powercolor_real_angel_table;
+ ir_codes = RC_MAP_POWERCOLOR_REAL_ANGEL;
ir->gpio_addr = MO_GP2_IO;
ir->mask_keycode = 0x7e;
ir->polling = 100; /* ms */
@@ -356,6 +420,21 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
goto err_out_free;
}
+ /*
+ * The usage of mask_keycode were very convenient, due to several
+ * reasons. Among others, the scancode tables were using the scancode
+ * as the index elements. So, the less bits it was used, the smaller
+ * the table were stored. After the input changes, the better is to use
+ * the full scancodes, since it allows replacing the IR remote by
+ * another one. Unfortunately, there are still some hardware, like
+ * Pixelview Ultra Pro, where only part of the scancode is sent via
+ * GPIO. So, there's no way to get the full scancode. Due to that,
+ * hardware_mask were introduced here: it represents those hardware
+ * that has such limits.
+ */
+ if (hardware_mask && !ir->mask_keycode)
+ ir->mask_keycode = hardware_mask;
+
/* init input device */
snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)", core->board.name);
snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci));
@@ -380,19 +459,20 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
ir->core = core;
core->ir = ir;
- cx88_ir_start(core, 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, NULL);
+ err = ir_input_register(ir->input, ir_codes, &ir->props, MODULE_NAME);
if (err)
- goto err_out_stop;
+ goto err_out_free;
return 0;
- err_out_stop:
- cx88_ir_stop(core, ir);
- core->ir = NULL;
err_out_free:
+ core->ir = NULL;
kfree(ir);
return err;
}
@@ -405,7 +485,7 @@ int cx88_ir_fini(struct cx88_core *core)
if (NULL == ir)
return 0;
- cx88_ir_stop(core, ir);
+ cx88_ir_stop(core);
ir_input_unregister(ir->input);
kfree(ir);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 14:37:50 +0100