diff options
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-hdw.c')
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 904 |
1 files changed, 740 insertions, 164 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index d6955fa3959..0a868888f38 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -25,7 +25,6 @@ #include <linux/firmware.h> #include <linux/videodev2.h> #include <media/v4l2-common.h> -#include <asm/semaphore.h> #include "pvrusb2.h" #include "pvrusb2-std.h" #include "pvrusb2-util.h" @@ -44,13 +43,13 @@ static struct pvr2_hdw *unit_pointers[PVR_NUM] = {[ 0 ... PVR_NUM-1 ] = NULL}; static DEFINE_MUTEX(pvr2_unit_mtx); -static int ctlchg = 0; +static int ctlchg; static int initusbreset = 1; -static int procreload = 0; +static int procreload; static int tuner[PVR_NUM] = { [0 ... PVR_NUM-1] = -1 }; static int tolerance[PVR_NUM] = { [0 ... PVR_NUM-1] = 0 }; static int video_std[PVR_NUM] = { [0 ... PVR_NUM-1] = 0 }; -static int init_pause_msec = 0; +static int init_pause_msec; module_param(ctlchg, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ctlchg, "0=optimize ctl change 1=always accept new ctl value"); @@ -183,6 +182,7 @@ static const char *control_values_srate[] = { static const char *control_values_input[] = { [PVR2_CVAL_INPUT_TV] = "television", /*xawtv needs this name*/ + [PVR2_CVAL_INPUT_DTV] = "dtv", [PVR2_CVAL_INPUT_RADIO] = "radio", [PVR2_CVAL_INPUT_SVIDEO] = "s-video", [PVR2_CVAL_INPUT_COMPOSITE] = "composite", @@ -216,12 +216,45 @@ static const char *pvr2_state_names[] = { }; +struct pvr2_fx2cmd_descdef { + unsigned char id; + unsigned char *desc; +}; + +static const struct pvr2_fx2cmd_descdef pvr2_fx2cmd_desc[] = { + {FX2CMD_MEM_WRITE_DWORD, "write encoder dword"}, + {FX2CMD_MEM_READ_DWORD, "read encoder dword"}, + {FX2CMD_MEM_READ_64BYTES, "read encoder 64bytes"}, + {FX2CMD_REG_WRITE, "write encoder register"}, + {FX2CMD_REG_READ, "read encoder register"}, + {FX2CMD_MEMSEL, "encoder memsel"}, + {FX2CMD_I2C_WRITE, "i2c write"}, + {FX2CMD_I2C_READ, "i2c read"}, + {FX2CMD_GET_USB_SPEED, "get USB speed"}, + {FX2CMD_STREAMING_ON, "stream on"}, + {FX2CMD_STREAMING_OFF, "stream off"}, + {FX2CMD_FWPOST1, "fwpost1"}, + {FX2CMD_POWER_OFF, "power off"}, + {FX2CMD_POWER_ON, "power on"}, + {FX2CMD_DEEP_RESET, "deep reset"}, + {FX2CMD_GET_EEPROM_ADDR, "get rom addr"}, + {FX2CMD_GET_IR_CODE, "get IR code"}, + {FX2CMD_HCW_DEMOD_RESETIN, "hcw demod resetin"}, + {FX2CMD_HCW_DTV_STREAMING_ON, "hcw dtv stream on"}, + {FX2CMD_HCW_DTV_STREAMING_OFF, "hcw dtv stream off"}, + {FX2CMD_ONAIR_DTV_STREAMING_ON, "onair dtv stream on"}, + {FX2CMD_ONAIR_DTV_STREAMING_OFF, "onair dtv stream off"}, + {FX2CMD_ONAIR_DTV_POWER_ON, "onair dtv power on"}, + {FX2CMD_ONAIR_DTV_POWER_OFF, "onair dtv power off"}, +}; + + +static int pvr2_hdw_set_input(struct pvr2_hdw *hdw,int v); static void pvr2_hdw_state_sched(struct pvr2_hdw *); static int pvr2_hdw_state_eval(struct pvr2_hdw *); static void pvr2_hdw_set_cur_freq(struct pvr2_hdw *,unsigned long); static void pvr2_hdw_worker_i2c(struct work_struct *work); static void pvr2_hdw_worker_poll(struct work_struct *work); -static void pvr2_hdw_worker_init(struct work_struct *work); static int pvr2_hdw_wait(struct pvr2_hdw *,int state); static int pvr2_hdw_untrip_unlocked(struct pvr2_hdw *); static void pvr2_hdw_state_log_state(struct pvr2_hdw *); @@ -232,6 +265,8 @@ static void pvr2_hdw_internal_find_stdenum(struct pvr2_hdw *hdw); static void pvr2_hdw_internal_set_std_avail(struct pvr2_hdw *hdw); static void pvr2_hdw_quiescent_timeout(unsigned long); static void pvr2_hdw_encoder_wait_timeout(unsigned long); +static void pvr2_hdw_encoder_run_timeout(unsigned long); +static int pvr2_issue_simple_cmd(struct pvr2_hdw *,u32); static int pvr2_send_request_ex(struct pvr2_hdw *hdw, unsigned int timeout,int probe_fl, void *write_data,unsigned int write_len, @@ -368,26 +403,14 @@ static int ctrl_get_input(struct pvr2_ctrl *cptr,int *vp) return 0; } -static int ctrl_set_input(struct pvr2_ctrl *cptr,int m,int v) +static int ctrl_check_input(struct pvr2_ctrl *cptr,int v) { - struct pvr2_hdw *hdw = cptr->hdw; - - if (hdw->input_val != v) { - hdw->input_val = v; - hdw->input_dirty = !0; - } + return ((1 << v) & cptr->hdw->input_allowed_mask) != 0; +} - /* Handle side effects - if we switch to a mode that needs the RF - tuner, then select the right frequency choice as well and mark - it dirty. */ - if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) { - hdw->freqSelector = 0; - hdw->freqDirty = !0; - } else if (hdw->input_val == PVR2_CVAL_INPUT_TV) { - hdw->freqSelector = 1; - hdw->freqDirty = !0; - } - return 0; +static int ctrl_set_input(struct pvr2_ctrl *cptr,int m,int v) +{ + return pvr2_hdw_set_input(cptr->hdw,v); } static int ctrl_isdirty_input(struct pvr2_ctrl *cptr) @@ -804,6 +827,7 @@ static const struct pvr2_ctl_info control_defs[] = { .name = "input", .internal_id = PVR2_CID_INPUT, .default_value = PVR2_CVAL_INPUT_TV, + .check_value = ctrl_check_input, DEFREF(input), DEFENUM(control_values_input), },{ @@ -983,7 +1007,7 @@ unsigned long pvr2_hdw_get_cur_freq(struct pvr2_hdw *hdw) /* Set the currently tuned frequency and account for all possible driver-core side effects of this action. */ -void pvr2_hdw_set_cur_freq(struct pvr2_hdw *hdw,unsigned long val) +static void pvr2_hdw_set_cur_freq(struct pvr2_hdw *hdw,unsigned long val) { if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) { if (hdw->freqSelector) { @@ -1196,6 +1220,14 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw) time we configure the encoder, then we'll fully configure it. */ hdw->enc_cur_valid = 0; + /* Encoder is about to be reset so note that as far as we're + concerned now, the encoder has never been run. */ + del_timer_sync(&hdw->encoder_run_timer); + if (hdw->state_encoder_runok) { + hdw->state_encoder_runok = 0; + trace_stbit("state_encoder_runok",hdw->state_encoder_runok); + } + /* First prepare firmware loading */ ret |= pvr2_write_register(hdw, 0x0048, 0xffffffff); /*interrupt mask*/ ret |= pvr2_hdw_gpio_chg_dir(hdw,0xffffffff,0x00000088); /*gpio dir*/ @@ -1213,19 +1245,14 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw) ret |= pvr2_write_register(hdw, 0xaa04, 0x00057810); /*unknown*/ ret |= pvr2_write_register(hdw, 0xaa10, 0x00148500); /*unknown*/ ret |= pvr2_write_register(hdw, 0xaa18, 0x00840000); /*unknown*/ - LOCK_TAKE(hdw->ctl_lock); do { - hdw->cmd_buffer[0] = FX2CMD_FWPOST1; - ret |= pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0); - hdw->cmd_buffer[0] = FX2CMD_MEMSEL; - hdw->cmd_buffer[1] = 0; - ret |= pvr2_send_request(hdw,hdw->cmd_buffer,2,NULL,0); - } while (0); LOCK_GIVE(hdw->ctl_lock); + ret |= pvr2_issue_simple_cmd(hdw,FX2CMD_FWPOST1); + ret |= pvr2_issue_simple_cmd(hdw,FX2CMD_MEMSEL | (1 << 8) | (0 << 16)); if (ret) { pvr2_trace(PVR2_TRACE_ERROR_LEGS, "firmware2 upload prep failed, ret=%d",ret); release_firmware(fw_entry); - return ret; + goto done; } /* Now send firmware */ @@ -1238,7 +1265,8 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw) " must be a multiple of %zu bytes", fw_files[fwidx],sizeof(u32)); release_firmware(fw_entry); - return -1; + ret = -EINVAL; + goto done; } fw_ptr = kmalloc(FIRMWARE_CHUNK_SIZE, GFP_KERNEL); @@ -1246,7 +1274,8 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw) release_firmware(fw_entry); pvr2_trace(PVR2_TRACE_ERROR_LEGS, "failed to allocate memory for firmware2 upload"); - return -ENOMEM; + ret = -ENOMEM; + goto done; } pipe = usb_sndbulkpipe(hdw->usb_dev, PVR2_FIRMWARE_ENDPOINT); @@ -1277,23 +1306,27 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw) if (ret) { pvr2_trace(PVR2_TRACE_ERROR_LEGS, "firmware2 upload transfer failure"); - return ret; + goto done; } /* Finish upload */ ret |= pvr2_write_register(hdw, 0x9054, 0xffffffff); /*reset hw blocks*/ ret |= pvr2_write_register(hdw, 0x9058, 0xffffffe8); /*VPU ctrl*/ - LOCK_TAKE(hdw->ctl_lock); do { - hdw->cmd_buffer[0] = FX2CMD_MEMSEL; - hdw->cmd_buffer[1] = 0; - ret |= pvr2_send_request(hdw,hdw->cmd_buffer,2,NULL,0); - } while (0); LOCK_GIVE(hdw->ctl_lock); + ret |= pvr2_issue_simple_cmd(hdw,FX2CMD_MEMSEL | (1 << 8) | (0 << 16)); if (ret) { pvr2_trace(PVR2_TRACE_ERROR_LEGS, "firmware2 upload post-proc failure"); } + + done: + if (hdw->hdw_desc->signal_routing_scheme == + PVR2_ROUTING_SCHEME_GOTVIEW) { + /* Ensure that GPIO 11 is set to output for GOTVIEW + hardware. */ + pvr2_hdw_gpio_chg_dir(hdw,(1 << 11),~0); + } return ret; } @@ -1365,11 +1398,6 @@ int pvr2_hdw_untrip(struct pvr2_hdw *hdw) } -const char *pvr2_hdw_get_state_name(unsigned int id) -{ - if (id >= ARRAY_SIZE(pvr2_state_names)) return NULL; - return pvr2_state_names[id]; -} int pvr2_hdw_get_streaming(struct pvr2_hdw *hdw) @@ -1496,7 +1524,7 @@ struct pvr2_std_hack { default - which can always be overridden explicitly - and if the user has otherwise named a default then that default will always be used in place of this table. */ -const static struct pvr2_std_hack std_eeprom_maps[] = { +static const struct pvr2_std_hack std_eeprom_maps[] = { { /* PAL(B/G) */ .pat = V4L2_STD_B|V4L2_STD_GH, .std = V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_PAL_G, @@ -1713,6 +1741,13 @@ static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw) if (!pvr2_hdw_dev_ok(hdw)) return; + if (hdw->hdw_desc->signal_routing_scheme == + PVR2_ROUTING_SCHEME_GOTVIEW) { + /* Ensure that GPIO 11 is set to output for GOTVIEW + hardware. */ + pvr2_hdw_gpio_chg_dir(hdw,(1 << 11),~0); + } + pvr2_hdw_commit_setup(hdw); hdw->vid_stream = pvr2_stream_create(); @@ -1806,12 +1841,37 @@ static void pvr2_hdw_setup(struct pvr2_hdw *hdw) } -/* Create and return a structure for interacting with the underlying - hardware */ +/* Perform second stage initialization. Set callback pointer first so that + we can avoid a possible initialization race (if the kernel thread runs + before the callback has been set). */ +int pvr2_hdw_initialize(struct pvr2_hdw *hdw, + void (*callback_func)(void *), + void *callback_data) +{ + LOCK_TAKE(hdw->big_lock); do { + if (hdw->flag_disconnected) { + /* Handle a race here: If we're already + disconnected by this point, then give up. If we + get past this then we'll remain connected for + the duration of initialization since the entire + initialization sequence is now protected by the + big_lock. */ + break; + } + hdw->state_data = callback_data; + hdw->state_func = callback_func; + pvr2_hdw_setup(hdw); + } while (0); LOCK_GIVE(hdw->big_lock); + return hdw->flag_init_ok; +} + + +/* Create, set up, and return a structure for interacting with the + underlying hardware. */ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, const struct usb_device_id *devid) { - unsigned int idx,cnt1,cnt2; + unsigned int idx,cnt1,cnt2,m; struct pvr2_hdw *hdw; int valid_std_mask; struct pvr2_ctrl *cptr; @@ -1835,6 +1895,10 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, hdw->encoder_wait_timer.data = (unsigned long)hdw; hdw->encoder_wait_timer.function = pvr2_hdw_encoder_wait_timeout; + init_timer(&hdw->encoder_run_timer); + hdw->encoder_run_timer.data = (unsigned long)hdw; + hdw->encoder_run_timer.function = pvr2_hdw_encoder_run_timeout; + hdw->master_state = PVR2_STATE_DEAD; init_waitqueue_head(&hdw->state_wait_data); @@ -1842,6 +1906,26 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, hdw->tuner_signal_stale = !0; cx2341x_fill_defaults(&hdw->enc_ctl_state); + /* Calculate which inputs are OK */ + m = 0; + if (hdw_desc->flag_has_analogtuner) m |= 1 << PVR2_CVAL_INPUT_TV; + if (hdw_desc->digital_control_scheme != PVR2_DIGITAL_SCHEME_NONE) { + m |= 1 << PVR2_CVAL_INPUT_DTV; + } + if (hdw_desc->flag_has_svideo) m |= 1 << PVR2_CVAL_INPUT_SVIDEO; + if (hdw_desc->flag_has_composite) m |= 1 << PVR2_CVAL_INPUT_COMPOSITE; + if (hdw_desc->flag_has_fmradio) m |= 1 << PVR2_CVAL_INPUT_RADIO; + hdw->input_avail_mask = m; + hdw->input_allowed_mask = hdw->input_avail_mask; + + /* If not a hybrid device, pathway_state never changes. So + initialize it here to what it should forever be. */ + if (!(hdw->input_avail_mask & (1 << PVR2_CVAL_INPUT_DTV))) { + hdw->pathway_state = PVR2_PATHWAY_ANALOG; + } else if (!(hdw->input_avail_mask & (1 << PVR2_CVAL_INPUT_TV))) { + hdw->pathway_state = PVR2_PATHWAY_DIGITAL; + } + hdw->control_cnt = CTRLDEF_COUNT; hdw->control_cnt += MPEGDEF_COUNT; hdw->controls = kzalloc(sizeof(struct pvr2_ctrl) * hdw->control_cnt, @@ -1859,6 +1943,15 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, cptr = hdw->controls + idx; cptr->info = control_defs+idx; } + + /* Ensure that default input choice is a valid one. */ + m = hdw->input_avail_mask; + if (m) for (idx = 0; idx < (sizeof(m) << 3); idx++) { + if (!((1 << idx) & m)) continue; + hdw->input_val = idx; + break; + } + /* Define and configure additional controls from cx2341x module. */ hdw->mpeg_ctrl_info = kzalloc( sizeof(*(hdw->mpeg_ctrl_info)) * MPEGDEF_COUNT, GFP_KERNEL); @@ -1982,7 +2075,6 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, hdw->workqueue = create_singlethread_workqueue(hdw->name); INIT_WORK(&hdw->workpoll,pvr2_hdw_worker_poll); INIT_WORK(&hdw->worki2csync,pvr2_hdw_worker_i2c); - INIT_WORK(&hdw->workinit,pvr2_hdw_worker_init); pvr2_trace(PVR2_TRACE_INIT,"Driver unit number is %d, name is %s", hdw->unit_number,hdw->name); @@ -2004,11 +2096,11 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, mutex_init(&hdw->ctl_lock_mutex); mutex_init(&hdw->big_lock_mutex); - queue_work(hdw->workqueue,&hdw->workinit); return hdw; fail: if (hdw) { del_timer_sync(&hdw->quiescent_timer); + del_timer_sync(&hdw->encoder_run_timer); del_timer_sync(&hdw->encoder_wait_timer); if (hdw->workqueue) { flush_workqueue(hdw->workqueue); @@ -2065,13 +2157,14 @@ void pvr2_hdw_destroy(struct pvr2_hdw *hdw) { if (!hdw) return; pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_destroy: hdw=%p",hdw); - del_timer_sync(&hdw->quiescent_timer); - del_timer_sync(&hdw->encoder_wait_timer); if (hdw->workqueue) { flush_workqueue(hdw->workqueue); destroy_workqueue(hdw->workqueue); hdw->workqueue = NULL; } + del_timer_sync(&hdw->quiescent_timer); + del_timer_sync(&hdw->encoder_run_timer); + del_timer_sync(&hdw->encoder_wait_timer); if (hdw->fw_buffer) { kfree(hdw->fw_buffer); hdw->fw_buffer = NULL; @@ -2353,6 +2446,18 @@ static int pvr2_hdw_commit_execute(struct pvr2_hdw *hdw) } } + if (hdw->input_dirty && hdw->state_pathway_ok && + (((hdw->input_val == PVR2_CVAL_INPUT_DTV) ? + PVR2_PATHWAY_DIGITAL : PVR2_PATHWAY_ANALOG) != + hdw->pathway_state)) { + /* Change of mode being asked for... */ + hdw->state_pathway_ok = 0; + trace_stbit("state_pathway_ok",hdw->state_pathway_ok); + } + if (!hdw->state_pathway_ok) { + /* Can't commit anything until pathway is ok. */ + return 0; + } /* If any of the below has changed, then we can't do the update while the pipeline is running. Pipeline must be paused first and decoder -> encoder connection be made quiescent before we @@ -2406,12 +2511,28 @@ static int pvr2_hdw_commit_execute(struct pvr2_hdw *hdw) hdw->active_stream_type = hdw->desired_stream_type; } + if (hdw->hdw_desc->signal_routing_scheme == + PVR2_ROUTING_SCHEME_GOTVIEW) { + u32 b; + /* Handle GOTVIEW audio switching */ + pvr2_hdw_gpio_get_out(hdw,&b); + if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) { + /* Set GPIO 11 */ + pvr2_hdw_gpio_chg_out(hdw,(1 << 11),~0); + } else { + /* Clear GPIO 11 */ + pvr2_hdw_gpio_chg_out(hdw,(1 << 11),0); + } + } + /* Now execute i2c core update */ pvr2_i2c_core_sync(hdw); - if (hdw->state_encoder_run) { - /* If encoder isn't running, then this will get worked out - later when we start the encoder. */ + if ((hdw->pathway_state == PVR2_PATHWAY_ANALOG) && + hdw->state_encoder_run) { + /* If encoder isn't running or it can't be touched, then + this will get worked out later when we start the + encoder. */ if (pvr2_encoder_adjust(hdw) < 0) return !0; } @@ -2454,15 +2575,6 @@ static void pvr2_hdw_worker_poll(struct work_struct *work) } -static void pvr2_hdw_worker_init(struct work_struct *work) -{ - struct pvr2_hdw *hdw = container_of(work,struct pvr2_hdw,workinit); - LOCK_TAKE(hdw->big_lock); do { - pvr2_hdw_setup(hdw); - } while (0); LOCK_GIVE(hdw->big_lock); -} - - static int pvr2_hdw_wait(struct pvr2_hdw *hdw,int state) { return wait_event_interruptible( @@ -2472,17 +2584,6 @@ static int pvr2_hdw_wait(struct pvr2_hdw *hdw,int state) } -void pvr2_hdw_set_state_callback(struct pvr2_hdw *hdw, - void (*callback_func)(void *), - void *callback_data) -{ - LOCK_TAKE(hdw->big_lock); do { - hdw->state_data = callback_data; - hdw->state_func = callback_func; - } while (0); LOCK_GIVE(hdw->big_lock); -} - - /* Return name for this driver instance */ const char *pvr2_hdw_get_driver_name(struct pvr2_hdw *hdw) { @@ -3051,6 +3152,67 @@ int pvr2_send_request(struct pvr2_hdw *hdw, read_data,read_len); } + +static int pvr2_issue_simple_cmd(struct pvr2_hdw *hdw,u32 cmdcode) +{ + int ret; + unsigned int cnt = 1; + unsigned int args = 0; + LOCK_TAKE(hdw->ctl_lock); + hdw->cmd_buffer[0] = cmdcode & 0xffu; + args = (cmdcode >> 8) & 0xffu; + args = (args > 2) ? 2 : args; + if (args) { + cnt += args; + hdw->cmd_buffer[1] = (cmdcode >> 16) & 0xffu; + if (args > 1) { + hdw->cmd_buffer[2] = (cmdcode >> 24) & 0xffu; + } + } + if (pvrusb2_debug & PVR2_TRACE_INIT) { + unsigned int idx; + unsigned int ccnt,bcnt; + char tbuf[50]; + cmdcode &= 0xffu; + bcnt = 0; + ccnt = scnprintf(tbuf+bcnt, + sizeof(tbuf)-bcnt, + "Sending FX2 command 0x%x",cmdcode); + bcnt += ccnt; + for (idx = 0; idx < ARRAY_SIZE(pvr2_fx2cmd_desc); idx++) { + if (pvr2_fx2cmd_desc[idx].id == cmdcode) { + ccnt = scnprintf(tbuf+bcnt, + sizeof(tbuf)-bcnt, + " \"%s\"", + pvr2_fx2cmd_desc[idx].desc); + bcnt += ccnt; + break; + } + } + if (args) { + ccnt = scnprintf(tbuf+bcnt, + sizeof(tbuf)-bcnt, + " (%u",hdw->cmd_buffer[1]); + bcnt += ccnt; + if (args > 1) { + ccnt = scnprintf(tbuf+bcnt, + sizeof(tbuf)-bcnt, + ",%u",hdw->cmd_buffer[2]); + bcnt += ccnt; + } + ccnt = scnprintf(tbuf+bcnt, + sizeof(tbuf)-bcnt, + ")"); + bcnt += ccnt; + } + pvr2_trace(PVR2_TRACE_INIT,"%.*s",bcnt,tbuf); + } + ret = pvr2_send_request(hdw,hdw->cmd_buffer,cnt,NULL,0); + LOCK_GIVE(hdw->ctl_lock); + return ret; +} + + int pvr2_write_register(struct pvr2_hdw *hdw, u16 reg, u32 data) { int ret; @@ -3158,25 +3320,19 @@ void pvr2_hdw_cpureset_assert(struct pvr2_hdw *hdw,int val) int pvr2_hdw_cmd_deep_reset(struct pvr2_hdw *hdw) { - int status; - LOCK_TAKE(hdw->ctl_lock); do { - pvr2_trace(PVR2_TRACE_INIT,"Requesting uproc hard reset"); - hdw->cmd_buffer[0] = FX2CMD_DEEP_RESET; - status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0); - } while (0); LOCK_GIVE(hdw->ctl_lock); - return status; + return pvr2_issue_simple_cmd(hdw,FX2CMD_DEEP_RESET); } int pvr2_hdw_cmd_powerup(struct pvr2_hdw *hdw) { - int status; - LOCK_TAKE(hdw->ctl_lock); do { - pvr2_trace(PVR2_TRACE_INIT,"Requesting powerup"); - hdw->cmd_buffer[0] = FX2CMD_POWER_ON; - status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0); - } while (0); LOCK_GIVE(hdw->ctl_lock); - return status; + return pvr2_issue_simple_cmd(hdw,FX2CMD_POWER_ON); +} + + +int pvr2_hdw_cmd_powerdown(struct pvr2_hdw *hdw) +{ + return pvr2_issue_simple_cmd(hdw,FX2CMD_POWER_OFF); } @@ -3201,16 +3357,173 @@ int pvr2_hdw_cmd_decoder_reset(struct pvr2_hdw *hdw) } +static int pvr2_hdw_cmd_hcw_demod_reset(struct pvr2_hdw *hdw, int onoff) +{ + hdw->flag_ok = !0; + return pvr2_issue_simple_cmd(hdw, + FX2CMD_HCW_DEMOD_RESETIN | + (1 << 8) | + ((onoff ? 1 : 0) << 16)); +} + + +static int pvr2_hdw_cmd_onair_fe_power_ctrl(struct pvr2_hdw *hdw, int onoff) +{ + hdw->flag_ok = !0; + return pvr2_issue_simple_cmd(hdw,(onoff ? + FX2CMD_ONAIR_DTV_POWER_ON : + FX2CMD_ONAIR_DTV_POWER_OFF)); +} + + +static int pvr2_hdw_cmd_onair_digital_path_ctrl(struct pvr2_hdw *hdw, + int onoff) +{ + return pvr2_issue_simple_cmd(hdw,(onoff ? + FX2CMD_ONAIR_DTV_STREAMING_ON : + FX2CMD_ONAIR_DTV_STREAMING_OFF)); +} + + +static void pvr2_hdw_cmd_modeswitch(struct pvr2_hdw *hdw,int digitalFl) +{ + int cmode; + /* Compare digital/analog desired setting with current setting. If + they don't match, fix it... */ + cmode = (digitalFl ? PVR2_PATHWAY_DIGITAL : PVR2_PATHWAY_ANALOG); + if (cmode == hdw->pathway_state) { + /* They match; nothing to do */ + return; + } + + switch (hdw->hdw_desc->digital_control_scheme) { + case PVR2_DIGITAL_SCHEME_HAUPPAUGE: + pvr2_hdw_cmd_hcw_demod_reset(hdw,digitalFl); + if (cmode == PVR2_PATHWAY_ANALOG) { + /* If moving to analog mode, also force the decoder + to reset. If no decoder is attached, then it's + ok to ignore this because if/when the decoder + attaches, it will reset itself at that time. */ + pvr2_hdw_cmd_decoder_reset(hdw); + } + break; + case PVR2_DIGITAL_SCHEME_ONAIR: + /* Supposedly we should always have the power on whether in + digital or analog mode. But for now do what appears to + work... */ + pvr2_hdw_cmd_onair_fe_power_ctrl(hdw,digitalFl); + break; + default: break; + } + + pvr2_hdw_untrip_unlocked(hdw); + hdw->pathway_state = cmode; +} + + +void pvr2_led_ctrl_hauppauge(struct pvr2_hdw *hdw, int onoff) +{ + /* change some GPIO data + * + * note: bit d7 of dir appears to control the LED, + * so we shut it off here. + * + */ + if (onoff) { + pvr2_hdw_gpio_chg_dir(hdw, 0xffffffff, 0x00000481); + } else { + pvr2_hdw_gpio_chg_dir(hdw, 0xffffffff, 0x00000401); + } + pvr2_hdw_gpio_chg_out(hdw, 0xffffffff, 0x00000000); +} + + +typedef void (*led_method_func)(struct pvr2_hdw *,int); + +static led_method_func led_methods[] = { + [PVR2_LED_SCHEME_HAUPPAUGE] = pvr2_led_ctrl_hauppauge, +}; + + +/* Toggle LED */ +static void pvr2_led_ctrl(struct pvr2_hdw *hdw,int onoff) +{ + unsigned int scheme_id; + led_method_func fp; + + if ((!onoff) == (!hdw->led_on)) return; + + hdw->led_on = onoff != 0; + + scheme_id = hdw->hdw_desc->led_scheme; + if (scheme_id < ARRAY_SIZE(led_methods)) { + fp = led_methods[scheme_id]; + } else { + fp = NULL; + } + + if (fp) (*fp)(hdw,onoff); +} + + /* Stop / start video stream transport */ static int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl) { - int status; - LOCK_TAKE(hdw->ctl_lock); do { - hdw->cmd_buffer[0] = - (runFl ? FX2CMD_STREAMING_ON : FX2CMD_STREAMING_OFF); - status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0); - } while (0); LOCK_GIVE(hdw->ctl_lock); - return status; + int ret; + + /* If we're in analog mode, then just issue the usual analog + command. */ + if (hdw->pathway_state == PVR2_PATHWAY_ANALOG) { + return pvr2_issue_simple_cmd(hdw, + (runFl ? + FX2CMD_STREAMING_ON : + FX2CMD_STREAMING_OFF)); + /*Note: Not reached */ + } + + if (hdw->pathway_state != PVR2_PATHWAY_DIGITAL) { + /* Whoops, we don't know what mode we're in... */ + return -EINVAL; + } + + /* To get here we have to be in digital mode. The mechanism here + is unfortunately different for different vendors. So we switch + on the device's digital scheme attribute in order to figure out + what to do. */ + switch (hdw->hdw_desc->digital_control_scheme) { + case PVR2_DIGITAL_SCHEME_HAUPPAUGE: + return pvr2_issue_simple_cmd(hdw, + (runFl ? + FX2CMD_HCW_DTV_STREAMING_ON : + FX2CMD_HCW_DTV_STREAMING_OFF)); + case PVR2_DIGITAL_SCHEME_ONAIR: + ret = pvr2_issue_simple_cmd(hdw, + (runFl ? + FX2CMD_STREAMING_ON : + FX2CMD_STREAMING_OFF)); + if (ret) return ret; + return pvr2_hdw_cmd_onair_digital_path_ctrl(hdw,runFl); + default: + return -EINVAL; + } +} + + +/* Evaluate whether or not state_pathway_ok can change */ +static int state_eval_pathway_ok(struct pvr2_hdw *hdw) +{ + if (hdw->state_pathway_ok) { + /* Nothing to do if pathway is already ok */ + return 0; + } + if (!hdw->state_pipeline_idle) { + /* Not allowed to change anything if pipeline is not idle */ + return 0; + } + pvr2_hdw_cmd_modeswitch(hdw,hdw->input_val == PVR2_CVAL_INPUT_DTV); + hdw->state_pathway_ok = !0; + trace_stbit("state_pathway_ok",hdw->state_pathway_ok); + return !0; } @@ -3223,6 +3536,12 @@ static int state_eval_encoder_ok(struct pvr2_hdw *hdw) if (hdw->state_encoder_config) return 0; if (hdw->state_decoder_run) return 0; if (hdw->state_usbstream_run) return 0; + if (hdw->pathway_state == PVR2_PATHWAY_DIGITAL) { + if (!hdw->hdw_desc->flag_digital_requires_cx23416) return 0; + } else if (hdw->pathway_state != PVR2_PATHWAY_ANALOG) { + return 0; + } + if (pvr2_upload_firmware2(hdw) < 0) { hdw->flag_tripped = !0; trace_stbit("flag_tripped",hdw->flag_tripped); @@ -3248,7 +3567,9 @@ static int state_eval_encoder_config(struct pvr2_hdw *hdw) /* paranoia - solve race if timer just completed */ del_timer_sync(&hdw->encoder_wait_timer); } else { - if (!hdw->state_encoder_ok || + if (!hdw->state_pathway_ok || + (hdw->pathway_state != PVR2_PATHWAY_ANALOG) || + !hdw->state_encoder_ok || !hdw->state_pipeline_idle || hdw->state_pipeline_pause || !hdw->state_pipeline_req || @@ -3297,20 +3618,116 @@ static int state_eval_encoder_config(struct pvr2_hdw *hdw) } +/* Return true if the encoder should not be running. */ +static int state_check_disable_encoder_run(struct pvr2_hdw *hdw) +{ + if (!hdw->state_encoder_ok) { + /* Encoder isn't healthy at the moment, so stop it. */ + return !0; + } + if (!hdw->state_pathway_ok) { + /* Mode is not understood at the moment (i.e. it wants to + change), so encoder must be stopped. */ + return !0; + } + + switch (hdw->pathway_state) { + case PVR2_PATHWAY_ANALOG: + if (!hdw->state_decoder_run) { + /* We're in analog mode and the decoder is not + running; thus the encoder should be stopped as + well. */ + return !0; + } + break; + case PVR2_PATHWAY_DIGITAL: + if (hdw->state_encoder_runok) { + /* This is a funny case. We're in digital mode so + really the encoder should be stopped. However + if it really is running, only kill it after + runok has been set. This gives a chance for the + onair quirk to function (encoder must run + briefly first, at least once, before onair + digital streaming can work). */ + return !0; + } + break; + default: + /* Unknown mode; so encoder should be stopped. */ + return !0; + } + + /* If we get here, we haven't found a reason to stop the + encoder. */ + return 0; +} + + +/* Return true if the encoder should be running. */ +static int state_check_enable_encoder_run(struct pvr2_hdw *hdw) +{ + if (!hdw->state_encoder_ok) { + /* Don't run the encoder if it isn't healthy... */ + return 0; + } + if (!hdw->state_pathway_ok) { + /* Don't run the encoder if we don't (yet) know what mode + we need to be in... */ + return 0; + } + + switch (hdw->pathway_state) { + case PVR2_PATHWAY_ANALOG: + if (hdw->state_decoder_run) { + /* In analog mode, if the decoder is running, then + run the encoder. */ + return !0; + } + break; + case PVR2_PATHWAY_DIGITAL: + if ((hdw->hdw_desc->digital_control_scheme == + PVR2_DIGITAL_SCHEME_ONAIR) && + !hdw->state_encoder_runok) { + /* This is a quirk. OnAir hardware won't stream + digital until the encoder has been run at least + once, for a minimal period of time (empiricially + measured to be 1/4 second). So if we're on + OnAir hardware and the encoder has never been + run at all, then start the encoder. Normal + state machine logic in the driver will + automatically handle the remaining bits. */ + return !0; + } + break; + default: + /* For completeness (unknown mode; encoder won't run ever) */ + break; + } + /* If we get here, then we haven't found any reason to run the + encoder, so don't run it. */ + return 0; +} + + /* Evaluate whether or not state_encoder_run can change */ static int state_eval_encoder_run(struct pvr2_hdw *hdw) { if (hdw->state_encoder_run) { + if (!state_check_disable_encoder_run(hdw)) return 0; if (hdw->state_encoder_ok) { - if (hdw->state_decoder_run) return 0; + del_timer_sync(&hdw->encoder_run_timer); if (pvr2_encoder_stop(hdw) < 0) return !0; } hdw->state_encoder_run = 0; } else { - if (!hdw->state_encoder_ok) return 0; - if (!hdw->state_decoder_run) return 0; + if (!state_check_enable_encoder_run(hdw)) return 0; if (pvr2_encoder_start(hdw) < 0) return !0; hdw->state_encoder_run = !0; + if (!hdw->state_encoder_runok) { + hdw->encoder_run_timer.expires = + jiffies + (HZ*250/1000); + add_timer(&hdw->encoder_run_timer); + } } trace_stbit("state_encoder_run",hdw->state_encoder_run); return !0; @@ -3339,13 +3756,27 @@ static void pvr2_hdw_encoder_wait_timeout(unsigned long data) } +/* Timeout function for encoder run timer. */ +static void pvr2_hdw_encoder_run_timeout(unsigned long data) +{ + struct pvr2_hdw *hdw = (struct pvr2_hdw *)data; + if (!hdw->state_encoder_runok) { + hdw->state_encoder_runok = !0; + trace_stbit("state_encoder_runok",hdw->state_encoder_runok); + hdw->state_stale = !0; + queue_work(hdw->workqueue,&hdw->workpoll); + } +} + + /* Evaluate whether or not state_decoder_run can change */ static int state_eval_decoder_run(struct pvr2_hdw *hdw) { if (hdw->state_decoder_run) { if (hdw->state_encoder_ok) { if (hdw->state_pipeline_req && - !hdw->state_pipeline_pause) return 0; + !hdw->state_pipeline_pause && + hdw->state_pathway_ok) return 0; } if (!hdw->flag_decoder_missed) { pvr2_decoder_enable(hdw,0); @@ -3378,7 +3809,9 @@ static int state_eval_decoder_run(struct pvr2_hdw *hdw) hopefully further stabilize the encoder. */ return 0; } - if (!hdw->state_pipeline_req || + if (!hdw->state_pathway_ok || + (hdw->pathway_state != PVR2_PATHWAY_ANALOG) || + !hdw->state_pipeline_req || hdw->state_pipeline_pause || !hdw->state_pipeline_config || !hdw->state_encoder_config || @@ -3399,16 +3832,43 @@ static int state_eval_decoder_run(struct pvr2_hdw *hdw) static int state_eval_usbstream_run(struct pvr2_hdw *hdw) { if (hdw->state_usbstream_run) { - if (hdw->state_encoder_ok) { - if (hdw->state_encoder_run) return 0; + int fl = !0; + if (hdw->pathway_state == PVR2_PATHWAY_ANALOG) { + fl = (hdw->state_encoder_ok && + hdw->state_encoder_run); + } else if ((hdw->pathway_state == PVR2_PATHWAY_DIGITAL) && + (hdw->hdw_desc->flag_digital_requires_cx23416)) { + fl = hdw->state_encoder_ok; + } + if (fl && + hdw->state_pipeline_req && + !hdw->state_pipeline_pause && + hdw->state_pathway_ok) { + return 0; } pvr2_hdw_cmd_usbstream(hdw,0); hdw->state_usbstream_run = 0; } else { - if (!hdw->state_encoder_ok || - !hdw->state_encoder_run || - !hdw->state_pipeline_req || - hdw->state_pipeline_pause) return 0; + if (!hdw->state_pipeline_req || + hdw->state_pipeline_pause || + !hdw->state_pathway_ok) return 0; + if (hdw->pathway_state == PVR2_PATHWAY_ANALOG) { + if (!hdw->state_encoder_ok || + !hdw->state_encoder_run) return 0; + } else if ((hdw->pathway_state == PVR2_PATHWAY_DIGITAL) && + (hdw->hdw_desc->flag_digital_requires_cx23416)) { + if (!hdw->state_encoder_ok) return 0; + if (hdw->state_encoder_run) return 0; + if (hdw->hdw_desc->digital_control_scheme == + PVR2_DIGITAL_SCHEME_ONAIR) { + /* OnAir digital receivers won't stream + unless the analog encoder has run first. + Why? I have no idea. But don't even + try until we know the analog side is + known to have run. */ + if (!hdw->state_encoder_runok) return 0; + } + } if (pvr2_hdw_cmd_usbstream(hdw,!0) < 0) return 0; hdw->state_usbstream_run = !0; } @@ -3454,7 +3914,8 @@ static int state_update_pipeline_state(struct pvr2_hdw *hdw) typedef int (*state_eval_func)(struct pvr2_hdw *); /* Set of functions to be run to evaluate various states in the driver. */ -const static state_eval_func eval_funcs[] = { +static const state_eval_func eval_funcs[] = { + state_eval_pathway_ok, state_eval_pipeline_config, state_eval_encoder_ok, state_eval_encoder_config, @@ -3502,6 +3963,34 @@ static int pvr2_hdw_state_update(struct pvr2_hdw *hdw) } +static unsigned int print_input_mask(unsigned int msk, + char *buf,unsigned int acnt) +{ + unsigned int idx,ccnt; + unsigned int tcnt = 0; + for (idx = 0; idx < ARRAY_SIZE(control_values_input); idx++) { + if (!((1 << idx) & msk)) continue; + ccnt = scnprintf(buf+tcnt, + acnt-tcnt, + "%s%s", + (tcnt ? ", " : ""), + control_values_input[idx]); + tcnt += ccnt; + } + return tcnt; +} + + +static const char *pvr2_pathway_state_name(int id) +{ + switch (id) { + case PVR2_PATHWAY_ANALOG: return "analog"; + case PVR2_PATHWAY_DIGITAL: return "digital"; + default: return "unknown"; + } +} + + static unsigned int pvr2_hdw_report_unlocked(struct pvr2_hdw *hdw,int which, char *buf,unsigned int acnt) { @@ -3509,13 +3998,15 @@ static unsigned int pvr2_hdw_report_unlocked(struct pvr2_hdw *hdw,int which, case 0: return scnprintf( buf,acnt, - "driver:%s%s%s%s%s", + "driver:%s%s%s%s%s <mode=%s>", (hdw->flag_ok ? " <ok>" : " <fail>"), (hdw->flag_init_ok ? " <init>" : " <uninitialized>"), (hdw->flag_disconnected ? " <disconnected>" : " <connected>"), (hdw->flag_tripped ? " <tripped>" : ""), - (hdw->flag_decoder_missed ? " <no decoder>" : "")); + (hdw->flag_decoder_missed ? " <no decoder>" : ""), + pvr2_pathway_state_name(hdw->pathway_state)); + case 1: return scnprintf( buf,acnt, @@ -3528,7 +4019,7 @@ static unsigned int pvr2_hdw_report_unlocked(struct pvr2_hdw *hdw,int which, case 2: return scnprintf( buf,acnt, - "worker:%s%s%s%s%s%s", + "worker:%s%s%s%s%s%s%s", (hdw->state_decoder_run ? " <decode:run>" : (hdw->state_decoder_quiescent ? @@ -3538,20 +4029,65 @@ static unsigned int pvr2_hdw_report_unlocked(struct pvr2_hdw *hdw,int which, (hdw->state_encoder_ok ? "" : " <encode:init>"), (hdw->state_encoder_run ? - " <encode:run>" : " <encode:stop>"), + (hdw->state_encoder_runok ? + " <encode:run>" : + " <encode:firstrun>") : + (hdw->state_encoder_runok ? + " <encode:stop>" : + " <encode:virgin>")), (hdw->state_encoder_config ? " <encode:configok>" : (hdw->state_encoder_waitok ? - "" : " <encode:wait>")), + "" : " <encode:waitok>")), (hdw->state_usbstream_run ? - " <usb:run>" : " <usb:stop>")); - break; + " <usb:run>" : " <usb:stop>"), + (hdw->state_pathway_ok ? + " <pathway:ok>" : "")); case 3: return scnprintf( buf,acnt, "state: %s", pvr2_get_state_name(hdw->master_state)); - break; + case 4: { + unsigned int tcnt = 0; + unsigned int ccnt; + + ccnt = scnprintf(buf, + acnt, + "Hardware supported inputs: "); + tcnt += ccnt; + tcnt += print_input_mask(hdw->input_avail_mask, + buf+tcnt, + acnt-tcnt); + if (hdw->input_avail_mask != hdw->input_allowed_mask) { + ccnt = scnprintf(buf+tcnt, + acnt-tcnt, + "; allowed inputs: "); + tcnt += ccnt; + tcnt += print_input_mask(hdw->input_allowed_mask, + buf+tcnt, + acnt-tcnt); + } + return tcnt; + } + case 5: { + struct pvr2_stream_stats stats; + if (!hdw->vid_stream) break; + pvr2_stream_get_stats(hdw->vid_stream, + &stats, + 0); + return scnprintf( + buf,acnt, + "Bytes streamed=%u" + " URBs: queued=%u idle=%u ready=%u" + " processed=%u failed=%u", + stats.bytes_processed, + stats.buffers_in_queue, + stats.buffers_in_idle, + stats.buffers_in_ready, + stats.buffers_processed, + stats.buffers_failed); + } default: break; } return 0; @@ -3597,6 +4133,7 @@ static int pvr2_hdw_state_eval(struct pvr2_hdw *hdw) unsigned int st; int state_updated = 0; int callback_flag = 0; + int analog_mode; pvr2_trace(PVR2_TRACE_STBITS, "Drive state check START"); @@ -3607,18 +4144,23 @@ static int pvr2_hdw_state_eval(struct pvr2_hdw *hdw) /* Process all state and get back over disposition */ state_updated = pvr2_hdw_state_update(hdw); + analog_mode = (hdw->pathway_state != PVR2_PATHWAY_DIGITAL); + /* Update master state based upon all other states. */ if (!hdw->flag_ok) { st = PVR2_STATE_DEAD; } else if (hdw->fw1_state != FW1_STATE_OK) { st = PVR2_STATE_COLD; - } else if (!hdw->state_encoder_ok) { + } else if ((analog_mode || + hdw->hdw_desc->flag_digital_requires_cx23416) && + !hdw->state_encoder_ok) { st = PVR2_STATE_WARM; - } else if (hdw->flag_tripped || hdw->flag_decoder_missed) { + } else if (hdw->flag_tripped || + (analog_mode && hdw->flag_decoder_missed)) { st = PVR2_STATE_ERROR; - } else if (hdw->state_encoder_run && - hdw->state_decoder_run && - hdw->state_usbstream_run) { + } else if (hdw->state_usbstream_run && + (!analog_mode || + (hdw->state_encoder_run && hdw->state_decoder_run))) { st = PVR2_STATE_RUN; } else { st = PVR2_STATE_READY; @@ -3628,6 +4170,7 @@ static int pvr2_hdw_state_eval(struct pvr2_hdw *hdw) "Device state change from %s to %s", pvr2_get_state_name(hdw->master_state), pvr2_get_state_name(st)); + pvr2_led_ctrl(hdw,st == PVR2_STATE_RUN); hdw->master_state = st; state_updated = !0; callback_flag = !0; @@ -3657,47 +4200,6 @@ static void pvr2_hdw_state_sched(struct pvr2_hdw *hdw) } -void pvr2_hdw_get_debug_info_unlocked(const struct pvr2_hdw *hdw, - struct pvr2_hdw_debug_info *ptr) -{ - ptr->big_lock_held = hdw->big_lock_held; - ptr->ctl_lock_held = hdw->ctl_lock_held; - ptr->flag_disconnected = hdw->flag_disconnected; - ptr->flag_init_ok = hdw->flag_init_ok; - ptr->flag_ok = hdw->flag_ok; - ptr->fw1_state = hdw->fw1_state; - ptr->flag_decoder_missed = hdw->flag_decoder_missed; - ptr->flag_tripped = hdw->flag_tripped; - ptr->state_encoder_ok = hdw->state_encoder_ok; - ptr->state_encoder_run = hdw->state_encoder_run; - ptr->state_decoder_run = hdw->state_decoder_run; - ptr->state_usbstream_run = hdw->state_usbstream_run; - ptr->state_decoder_quiescent = hdw->state_decoder_quiescent; - ptr->state_pipeline_config = hdw->state_pipeline_config; - ptr->state_pipeline_req = hdw->state_pipeline_req; - ptr->state_pipeline_pause = hdw->state_pipeline_pause; - ptr->state_pipeline_idle = hdw->state_pipeline_idle; - ptr->cmd_debug_state = hdw->cmd_debug_state; - ptr->cmd_code = hdw->cmd_debug_code; - ptr->cmd_debug_write_len = hdw->cmd_debug_write_len; - ptr->cmd_debug_read_len = hdw->cmd_debug_read_len; - ptr->cmd_debug_timeout = hdw->ctl_timeout_flag; - ptr->cmd_debug_write_pend = hdw->ctl_write_pend_flag; - ptr->cmd_debug_read_pend = hdw->ctl_read_pend_flag; - ptr->cmd_debug_rstatus = hdw->ctl_read_urb->status; - ptr->cmd_debug_wstatus = hdw->ctl_read_urb->status; -} - - -void pvr2_hdw_get_debug_info_locked(struct pvr2_hdw *hdw, - struct pvr2_hdw_debug_info *ptr) -{ - LOCK_TAKE(hdw->ctl_lock); do { - pvr2_hdw_get_debug_info_unlocked(hdw,ptr); - } while(0); LOCK_GIVE(hdw->ctl_lock); -} - - int pvr2_hdw_gpio_get_dir(struct pvr2_hdw *hdw,u32 *dp) { return pvr2_read_register(hdw,PVR2_GPIO_DIR,dp); @@ -3757,6 +4259,80 @@ int pvr2_hdw_gpio_chg_out(struct pvr2_hdw *hdw,u32 msk,u32 val) } +unsigned int pvr2_hdw_get_input_available(struct pvr2_hdw *hdw) +{ + return hdw->input_avail_mask; +} + + +unsigned int pvr2_hdw_get_input_allowed(struct pvr2_hdw *hdw) +{ + return hdw->input_allowed_mask; +} + + +static int pvr2_hdw_set_input(struct pvr2_hdw *hdw,int v) +{ + if (hdw->input_val != v) { + hdw->input_val = v; + hdw->input_dirty = !0; + } + + /* Handle side effects - if we switch to a mode that needs the RF + tuner, then select the right frequency choice as well and mark + it dirty. */ + if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) { + hdw->freqSelector = 0; + hdw->freqDirty = !0; + } else if ((hdw->input_val == PVR2_CVAL_INPUT_TV) || + (hdw->input_val == PVR2_CVAL_INPUT_DTV)) { + hdw->freqSelector = 1; + hdw->freqDirty = !0; + } + return 0; +} + + +int pvr2_hdw_set_input_allowed(struct pvr2_hdw *hdw, + unsigned int change_mask, + unsigned int change_val) +{ + int ret = 0; + unsigned int nv,m,idx; + LOCK_TAKE(hdw->big_lock); + do { + nv = hdw->input_allowed_mask & ~change_mask; + nv |= (change_val & change_mask); + nv &= hdw->input_avail_mask; + if (!nv) { + /* No legal modes left; return error instead. */ + ret = -EPERM; + break; + } + hdw->input_allowed_mask = nv; + if ((1 << hdw->input_val) & hdw->input_allowed_mask) { + /* Current mode is still in the allowed mask, so + we're done. */ + break; + } + /* Select and switch to a mode that is still in the allowed + mask */ + if (!hdw->input_allowed_mask) { + /* Nothing legal; give up */ + break; + } + m = hdw->input_allowed_mask; + for (idx = 0; idx < (sizeof(m) << 3); idx++) { + if (!((1 << idx) & m)) continue; + pvr2_hdw_set_input(hdw,idx); + break; + } + } while (0); + LOCK_GIVE(hdw->big_lock); + return ret; +} + + /* Find I2C address of eeprom */ static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw) { |