diff options
Diffstat (limited to 'drivers/media/video/pvrusb2')
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-devattr.c | 1 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-devattr.h | 22 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h | 3 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 18 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-i2c-core.c | 12 |
5 files changed, 38 insertions, 18 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-devattr.c b/drivers/media/video/pvrusb2/pvrusb2-devattr.c index 76d42d92e60..a0688c005b8 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-devattr.c +++ b/drivers/media/video/pvrusb2/pvrusb2-devattr.c @@ -71,6 +71,7 @@ static const struct pvr2_device_desc pvr2_device_29xxx = { .flag_has_svideo = !0, .signal_routing_scheme = PVR2_ROUTING_SCHEME_HAUPPAUGE, .led_scheme = PVR2_LED_SCHEME_HAUPPAUGE, + .ir_scheme = PVR2_IR_SCHEME_29XXX, }; diff --git a/drivers/media/video/pvrusb2/pvrusb2-devattr.h b/drivers/media/video/pvrusb2/pvrusb2-devattr.h index 3e553389cbc..73e0e0ba004 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-devattr.h +++ b/drivers/media/video/pvrusb2/pvrusb2-devattr.h @@ -78,8 +78,10 @@ struct pvr2_string_table { #define PVR2_LED_SCHEME_HAUPPAUGE 1 #define PVR2_IR_SCHEME_NONE 0 -#define PVR2_IR_SCHEME_24XXX 1 -#define PVR2_IR_SCHEME_ZILOG 2 +#define PVR2_IR_SCHEME_24XXX 1 /* FX2-controlled IR */ +#define PVR2_IR_SCHEME_ZILOG 2 /* HVR-1950 style (must be taken out of reset) */ +#define PVR2_IR_SCHEME_24XXX_MCE 3 /* 24xxx MCE device */ +#define PVR2_IR_SCHEME_29XXX 4 /* Original 29xxx device */ /* This describes a particular hardware type (except for the USB device ID which must live in a separate structure due to environmental @@ -162,19 +164,9 @@ struct pvr2_device_desc { ensure that it is found. */ unsigned int flag_has_wm8775:1; - /* Indicate any specialized IR scheme that might need to be - supported by this driver. If not set, then it is assumed that - IR can work without help from the driver (which is frequently - the case). This is otherwise set to one of - PVR2_IR_SCHEME_xxxx. For "xxxx", the value "24XXX" indicates a - Hauppauge 24xxx class device which has an FPGA-hosted IR - receiver that can only be reached via FX2 command codes. In - that case the pvrusb2 driver will emulate the behavior of the - older 29xxx device's IR receiver (a "virtual" I2C chip) in terms - of those command codes. For the value "ZILOG", we're dealing - with an IR chip that must be taken out of reset via another FX2 - command code (which is the case for HVR-1950 devices). */ - unsigned int ir_scheme:2; + /* Indicate IR scheme of hardware. If not set, then it is assumed + that IR can work without any help from the driver. */ + unsigned int ir_scheme:3; /* These bits define which kinds of sources the device can handle. Note: Digital tuner presence is inferred by the diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h index 5d75eb5211b..5b152ff20bd 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h @@ -200,6 +200,9 @@ struct pvr2_hdw { int i2c_cx25840_hack_state; int i2c_linked; + /* IR related */ + unsigned int ir_scheme_active; /* IR scheme as seen from the outside */ + /* Frequency table */ unsigned int freqTable[FREQTABLE_SIZE]; unsigned int freqProgSlot; diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index add3395d324..686df1afbba 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -142,6 +142,15 @@ static const unsigned char *module_i2c_addresses[] = { }; +static const char *ir_scheme_names[] = { + [PVR2_IR_SCHEME_NONE] = "none", + [PVR2_IR_SCHEME_29XXX] = "29xxx", + [PVR2_IR_SCHEME_24XXX] = "24xxx (29xxx emulation)", + [PVR2_IR_SCHEME_24XXX_MCE] = "24xxx (MCE device)", + [PVR2_IR_SCHEME_ZILOG] = "Zilog", +}; + + /* Define the list of additional controls we'll dynamically construct based on query of the cx2341x module. */ struct pvr2_mpeg_ids { @@ -2170,7 +2179,7 @@ static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw) } /* Take the IR chip out of reset, if appropriate */ - if (hdw->hdw_desc->ir_scheme == PVR2_IR_SCHEME_ZILOG) { + if (hdw->ir_scheme_active == PVR2_IR_SCHEME_ZILOG) { pvr2_issue_simple_cmd(hdw, FX2CMD_HCW_ZILOG_RESET | (1 << 8) | @@ -2451,6 +2460,7 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, GFP_KERNEL); if (!hdw->controls) goto fail; hdw->hdw_desc = hdw_desc; + hdw->ir_scheme_active = hdw->hdw_desc->ir_scheme; for (idx = 0; idx < hdw->control_cnt; idx++) { cptr = hdw->controls + idx; cptr->hdw = hdw; @@ -4809,6 +4819,12 @@ static unsigned int pvr2_hdw_report_unlocked(struct pvr2_hdw *hdw,int which, stats.buffers_processed, stats.buffers_failed); } + case 6: { + unsigned int id = hdw->ir_scheme_active; + return scnprintf(buf, acnt, "ir scheme: id=%d %s", id, + (id >= ARRAY_SIZE(ir_scheme_names) ? + "?" : ir_scheme_names[id])); + } default: break; } return 0; diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c index 9af282f9e76..838d01c9d02 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c @@ -574,7 +574,9 @@ void pvr2_i2c_core_init(struct pvr2_hdw *hdw) printk(KERN_INFO "%s: IR disabled\n",hdw->name); hdw->i2c_func[0x18] = i2c_black_hole; } else if (ir_mode[hdw->unit_number] == 1) { - if (hdw->hdw_desc->ir_scheme == PVR2_IR_SCHEME_24XXX) { + if (hdw->ir_scheme_active == PVR2_IR_SCHEME_24XXX) { + /* Set up translation so that our IR looks like a + 29xxx device */ hdw->i2c_func[0x18] = i2c_24xxx_ir; } } @@ -597,12 +599,18 @@ void pvr2_i2c_core_init(struct pvr2_hdw *hdw) i2c_add_adapter(&hdw->i2c_adap); if (hdw->i2c_func[0x18] == i2c_24xxx_ir) { /* Probe for a different type of IR receiver on this - device. If present, disable the emulated IR receiver. */ + device. This is really the only way to differentiate + older 24xxx devices from 24xxx variants that include an + IR blaster. If the IR blaster is present, the IR + receiver is part of that chip and thus we must disable + the emulated IR receiver. */ if (do_i2c_probe(hdw, 0x71)) { pvr2_trace(PVR2_TRACE_INFO, "Device has newer IR hardware;" " disabling unneeded virtual IR device"); hdw->i2c_func[0x18] = NULL; + /* Remember that this is a different device... */ + hdw->ir_scheme_active = PVR2_IR_SCHEME_24XXX_MCE; } } if (i2c_scan) do_i2c_scan(hdw); |