From patchwork Mon Aug 30 08:52:26 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Levitsky X-Patchwork-Id: 141401 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o7U8qiLa021849 for ; Mon, 30 Aug 2010 08:53:27 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754824Ab0H3IxG (ORCPT ); Mon, 30 Aug 2010 04:53:06 -0400 Received: from mail-bw0-f46.google.com ([209.85.214.46]:50491 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754818Ab0H3IxD (ORCPT ); Mon, 30 Aug 2010 04:53:03 -0400 Received: by mail-bw0-f46.google.com with SMTP id 11so3528275bwz.19 for ; Mon, 30 Aug 2010 01:53:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:to:cc:subject:date :message-id:x-mailer:in-reply-to:references; bh=BphB1Ot/d0ItF8TaNNT5RXlhZemdkI/3HHJDlYJ+wYk=; b=L3E8krjCieHQNLf5KsWGO8zpiLSe8lvpzqwJNvU3slGwedSbD36iYuHRcqg9YFdvoZ yTW9ySWFKvoqV9cWyMdw6l/Wk02u1q53PI9lSoyE2WLSimdmiOPefL4H+aayJOysP+5X 0AcA+1F4+0J6xMiY6XqEBYj7BfHRTV6poEtF8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=f5rUudMcdRrWP7oow+k7Q6eJIBaVS6hh+5bz9k/bYqQ8tFbziDrc/XvY2bBeKB2l+z BYBiqKMg5BTGWle+1Dl80AQMR0kF4/tgIroVbKG29rMMadULuMdeRLkHwIXbUGUJqYUJ 6nZ/mM8zMPdzQvFBJwiN8KDtTICU1oYczzPxg= Received: by 10.204.67.77 with SMTP id q13mr2919738bki.214.1283158382836; Mon, 30 Aug 2010 01:53:02 -0700 (PDT) Received: from localhost.localdomain (IGLD-84-228-220-57.inter.net.il [84.228.220.57]) by mx.google.com with ESMTPS id d27sm5012102bku.22.2010.08.30.01.52.58 (version=SSLv3 cipher=RC4-MD5); Mon, 30 Aug 2010 01:53:01 -0700 (PDT) From: Maxim Levitsky To: lirc-list@lists.sourceforge.net Cc: Jarod Wilson , linux-input@vger.kernel.org, linux-media@vger.kernel.org, Mauro Carvalho Chehab , Christoph Bartelmus , Maxim Levitsky Subject: [PATCH 6/7] IR: extend ir_raw_event and do refactoring Date: Mon, 30 Aug 2010 11:52:26 +0300 Message-Id: <1283158348-7429-7-git-send-email-maximlevitsky@gmail.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1283158348-7429-1-git-send-email-maximlevitsky@gmail.com> References: <1283158348-7429-1-git-send-email-maximlevitsky@gmail.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Mon, 30 Aug 2010 08:53:28 +0000 (UTC) diff --git a/drivers/media/IR/ene_ir.c b/drivers/media/IR/ene_ir.c index 8e3e0c8..c7bbbca 100644 --- a/drivers/media/IR/ene_ir.c +++ b/drivers/media/IR/ene_ir.c @@ -699,7 +699,7 @@ static irqreturn_t ene_isr(int irq, void *data) unsigned long flags; irqreturn_t retval = IRQ_NONE; struct ene_device *dev = (struct ene_device *)data; - struct ir_raw_event ev; + struct ir_raw_event ev = ir_new_event; spin_lock_irqsave(&dev->hw_lock, flags); diff --git a/drivers/media/IR/ene_ir.h b/drivers/media/IR/ene_ir.h index 69a0ae0..27b2eb0 100644 --- a/drivers/media/IR/ene_ir.h +++ b/drivers/media/IR/ene_ir.h @@ -188,7 +188,7 @@ * And there is nothing to change this setting */ -#define ENE_MAXGAP (0xFFF * 0x61) +#define ENE_MAXGAP 20000 #define ENE_MINGAP (127 * sample_period) /******************************************************************************/ diff --git a/drivers/media/IR/ir-core-priv.h b/drivers/media/IR/ir-core-priv.h index 5d7e08f..a287373 100644 --- a/drivers/media/IR/ir-core-priv.h +++ b/drivers/media/IR/ir-core-priv.h @@ -82,6 +82,10 @@ struct ir_raw_event_ctrl { struct ir_input_dev *ir_dev; struct lirc_driver *drv; int carrier_low; + ktime_t timeout_start; + bool timeout; + bool send_timeout_reports; + } lirc; }; @@ -109,9 +113,14 @@ static inline void decrease_duration(struct ir_raw_event *ev, unsigned duration) ev->duration -= duration; } +/* Returns true if event is normal pulse/space event */ +static inline bool is_timing_event(struct ir_raw_event ev) +{ + return !ev.carrier_report && !ev.reset; +} + #define TO_US(duration) DIV_ROUND_CLOSEST((duration), 1000) #define TO_STR(is_pulse) ((is_pulse) ? "pulse" : "space") -#define IS_RESET(ev) (ev.duration == 0) /* * Routines from ir-sysfs.c - Meant to be called only internally inside * ir-core diff --git a/drivers/media/IR/ir-jvc-decoder.c b/drivers/media/IR/ir-jvc-decoder.c index 77a89c4..63dca6e 100644 --- a/drivers/media/IR/ir-jvc-decoder.c +++ b/drivers/media/IR/ir-jvc-decoder.c @@ -50,8 +50,9 @@ static int ir_jvc_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (!(ir_dev->raw->enabled_protocols & IR_TYPE_JVC)) return 0; - if (IS_RESET(ev)) { - data->state = STATE_INACTIVE; + if (!is_timing_event(ev)) { + if (ev.reset) + data->state = STATE_INACTIVE; return 0; } diff --git a/drivers/media/IR/ir-lirc-codec.c b/drivers/media/IR/ir-lirc-codec.c index e63f757..e6ca7a3 100644 --- a/drivers/media/IR/ir-lirc-codec.c +++ b/drivers/media/IR/ir-lirc-codec.c @@ -32,7 +32,9 @@ static int ir_lirc_decode(struct input_dev *input_dev, struct ir_raw_event ev) { struct ir_input_dev *ir_dev = input_get_drvdata(input_dev); + struct lirc_codec *lirc = &ir_dev->raw->lirc; int sample; + int duration_msec; if (!(ir_dev->raw->enabled_protocols & IR_TYPE_LIRC)) return 0; @@ -40,21 +42,56 @@ static int ir_lirc_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (!ir_dev->raw->lirc.drv || !ir_dev->raw->lirc.drv->rbuf) return -EINVAL; - if (IS_RESET(ev)) + duration_msec = DIV_ROUND_CLOSEST(ev.duration, 1000); + + if (ev.reset) return 0; - IR_dprintk(2, "LIRC data transfer started (%uus %s)\n", - TO_US(ev.duration), TO_STR(ev.pulse)); + if (ev.carrier_report) { + /* TODO: send RX duty cycle */ + sample = LIRC_FREQUENCY(ev.carrier); + + } else if (ev.timeout) { + WARN_ON(lirc->timeout || ev.pulse); + lirc->timeout_start = ktime_get(); + lirc->timeout = true; + + if (!lirc->send_timeout_reports) + return 0; + + sample = LIRC_TIMEOUT(duration_msec); + + } else { + + if (ev.pulse) + sample = LIRC_PULSE(duration_msec); + else + sample = LIRC_SPACE(duration_msec); + } + + /* Write the combined timeout sample now */ + if (lirc->timeout) { + ktime_t now = ktime_get(); + int timeout_sample; + + u64 duration = ktime_to_ns(ktime_sub(now, lirc->timeout_start)) + + ir_dev->raw->prev_ev.duration; + + duration_msec = min(DIV_ROUND_CLOSEST(duration, 1000), + (u64)LIRC_VALUE_MASK); - sample = ev.duration / 1000; - if (ev.pulse) - sample |= PULSE_BIT; + timeout_sample = LIRC_SPACE(duration_msec); + + lirc_buffer_write(ir_dev->raw->lirc.drv->rbuf, + (unsigned char *) &timeout_sample); + + lirc->timeout = false; + } lirc_buffer_write(ir_dev->raw->lirc.drv->rbuf, (unsigned char *) &sample); wake_up(&ir_dev->raw->lirc.drv->rbuf->wait_poll); - return 0; } @@ -207,6 +244,17 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, ir_dev->props->timeout = val * 1000; break; + case LIRC_SET_REC_TIMEOUT_REPORTS: + lirc->send_timeout_reports = !!val; + break; + + case LIRC_SET_MEASURE_CARRIER_MODE: + + if (!ir_dev->props->s_carrier_report) + return -ENOSYS; + return ir_dev->props->s_carrier_report( + ir_dev->props->priv, !!val); + default: return lirc_dev_fop_ioctl(filep, cmd, arg); } @@ -277,6 +325,10 @@ static int ir_lirc_register(struct input_dev *input_dev) if (ir_dev->props->s_learning_mode) features |= LIRC_CAN_USE_WIDEBAND_RECEIVER; + if (ir_dev->props->s_carrier_report) + features |= LIRC_CAN_MEASURE_CARRIER; + + if (ir_dev->props->max_timeout) features |= LIRC_CAN_SET_REC_TIMEOUT; diff --git a/drivers/media/IR/ir-nec-decoder.c b/drivers/media/IR/ir-nec-decoder.c index d597421..70993f7 100644 --- a/drivers/media/IR/ir-nec-decoder.c +++ b/drivers/media/IR/ir-nec-decoder.c @@ -54,8 +54,9 @@ static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (!(ir_dev->raw->enabled_protocols & IR_TYPE_NEC)) return 0; - if (IS_RESET(ev)) { - data->state = STATE_INACTIVE; + if (!is_timing_event(ev)) { + if (ev.reset) + data->state = STATE_INACTIVE; return 0; } diff --git a/drivers/media/IR/ir-raw-event.c b/drivers/media/IR/ir-raw-event.c index 56797be..a758977 100644 --- a/drivers/media/IR/ir-raw-event.c +++ b/drivers/media/IR/ir-raw-event.c @@ -174,7 +174,7 @@ int ir_raw_event_store_with_filter(struct input_dev *input_dev, if (ir->idle && !ev->pulse) return 0; else if (ir->idle) - ir_raw_event_set_idle(input_dev, 0); + ir_raw_event_set_idle(input_dev, false); if (!raw->this_ev.duration) { raw->this_ev = *ev; @@ -187,8 +187,12 @@ int ir_raw_event_store_with_filter(struct input_dev *input_dev, /* Enter idle mode if nessesary */ if (!ev->pulse && ir->props->timeout && - raw->this_ev.duration >= ir->props->timeout) - ir_raw_event_set_idle(input_dev, 1); + raw->this_ev.duration >= ir->props->timeout) { + raw->this_ev.timeout = true; + ir_raw_event_store(input_dev, &raw->this_ev); + raw->this_ev.duration = 0; + ir_raw_event_set_idle(input_dev, true); + } return 0; } EXPORT_SYMBOL_GPL(ir_raw_event_store_with_filter); @@ -196,39 +200,12 @@ EXPORT_SYMBOL_GPL(ir_raw_event_store_with_filter); void ir_raw_event_set_idle(struct input_dev *input_dev, int idle) { struct ir_input_dev *ir = input_get_drvdata(input_dev); - struct ir_raw_event_ctrl *raw = ir->raw; - ktime_t now; - u64 delta; - if (!ir->props) + if (!ir->props || !ir->raw) return; - if (!ir->raw) - goto out; - - if (idle) { - IR_dprintk(2, "enter idle mode\n"); - raw->last_event = ktime_get(); - } else { - IR_dprintk(2, "exit idle mode\n"); - - now = ktime_get(); - delta = ktime_to_ns(ktime_sub(now, ir->raw->last_event)); + IR_dprintk(2, "%s idle mode\n", idle ? "enter" : "leave"); - WARN_ON(raw->this_ev.pulse); - - raw->this_ev.duration = - min(raw->this_ev.duration + delta, - (u64)IR_MAX_DURATION); - - ir_raw_event_store(input_dev, &raw->this_ev); - - if (raw->this_ev.duration == IR_MAX_DURATION) - ir_raw_event_reset(input_dev); - - raw->this_ev.duration = 0; - } -out: if (ir->props->s_idle) ir->props->s_idle(ir->props->priv, idle); ir->idle = idle; diff --git a/drivers/media/IR/ir-rc5-decoder.c b/drivers/media/IR/ir-rc5-decoder.c index df4770d..572ed4c 100644 --- a/drivers/media/IR/ir-rc5-decoder.c +++ b/drivers/media/IR/ir-rc5-decoder.c @@ -55,8 +55,9 @@ static int ir_rc5_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (!(ir_dev->raw->enabled_protocols & IR_TYPE_RC5)) return 0; - if (IS_RESET(ev)) { - data->state = STATE_INACTIVE; + if (!is_timing_event(ev)) { + if (ev.reset) + data->state = STATE_INACTIVE; return 0; } diff --git a/drivers/media/IR/ir-rc6-decoder.c b/drivers/media/IR/ir-rc6-decoder.c index f1624b8..d25da91 100644 --- a/drivers/media/IR/ir-rc6-decoder.c +++ b/drivers/media/IR/ir-rc6-decoder.c @@ -85,8 +85,9 @@ static int ir_rc6_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (!(ir_dev->raw->enabled_protocols & IR_TYPE_RC6)) return 0; - if (IS_RESET(ev)) { - data->state = STATE_INACTIVE; + if (!is_timing_event(ev)) { + if (ev.reset) + data->state = STATE_INACTIVE; return 0; } diff --git a/drivers/media/IR/ir-sony-decoder.c b/drivers/media/IR/ir-sony-decoder.c index b9074f0..2d15730 100644 --- a/drivers/media/IR/ir-sony-decoder.c +++ b/drivers/media/IR/ir-sony-decoder.c @@ -48,8 +48,9 @@ static int ir_sony_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (!(ir_dev->raw->enabled_protocols & IR_TYPE_SONY)) return 0; - if (IS_RESET(ev)) { - data->state = STATE_INACTIVE; + if (!is_timing_event(ev)) { + if (ev.reset) + data->state = STATE_INACTIVE; return 0; } diff --git a/drivers/media/IR/mceusb.c b/drivers/media/IR/mceusb.c index ac6bb2c..44f041e 100644 --- a/drivers/media/IR/mceusb.c +++ b/drivers/media/IR/mceusb.c @@ -656,7 +656,7 @@ static int mceusb_set_tx_carrier(void *priv, u32 carrier) static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len) { - struct ir_raw_event rawir = { .pulse = false, .duration = 0 }; + struct ir_raw_event rawir = ir_new_event; int i, start_index = 0; u8 hdr = MCE_CONTROL_HEADER; diff --git a/drivers/media/IR/streamzap.c b/drivers/media/IR/streamzap.c index 058e29f..9b0e246 100644 --- a/drivers/media/IR/streamzap.c +++ b/drivers/media/IR/streamzap.c @@ -170,7 +170,7 @@ static void streamzap_flush_timeout(unsigned long arg) static void streamzap_delay_timeout(unsigned long arg) { struct streamzap_ir *sz = (struct streamzap_ir *)arg; - struct ir_raw_event rawir = { .pulse = false, .duration = 0 }; + struct ir_raw_event rawir = ir_new_event; unsigned long flags; int len, ret; static unsigned long delay; @@ -215,7 +215,7 @@ static void streamzap_delay_timeout(unsigned long arg) static void streamzap_flush_delay_buffer(struct streamzap_ir *sz) { - struct ir_raw_event rawir = { .pulse = false, .duration = 0 }; + struct ir_raw_event rawir = ir_new_event; bool wake = false; int ret; @@ -233,7 +233,7 @@ static void streamzap_flush_delay_buffer(struct streamzap_ir *sz) static void sz_push(struct streamzap_ir *sz) { - struct ir_raw_event rawir = { .pulse = false, .duration = 0 }; + struct ir_raw_event rawir = ir_new_event; unsigned long flags; int ret; diff --git a/include/media/ir-core.h b/include/media/ir-core.h index eb7fddf..3b798f5 100644 --- a/include/media/ir-core.h +++ b/include/media/ir-core.h @@ -60,6 +60,7 @@ enum rc_driver_type { * @s_idle: optional: enable/disable hardware idle mode, upon which, device doesn't interrupt host until it sees IR pulses * @s_learning_mode: enable wide band receiver used for learning + * @s_carrier_report: enable carrier reports */ struct ir_dev_props { enum rc_driver_type driver_type; @@ -84,6 +85,7 @@ struct ir_dev_props { int (*tx_ir)(void *priv, int *txbuf, u32 n); void (*s_idle)(void *priv, int enable); int (*s_learning_mode)(void *priv, int enable); + int (*s_carrier_report) (void *priv, int enable); }; struct ir_input_dev { @@ -162,11 +164,25 @@ u32 ir_g_keycode_from_table(struct input_dev *input_dev, u32 scancode); /* From ir-raw-event.c */ struct ir_raw_event { - unsigned pulse:1; - unsigned duration:31; + union { + u32 duration; + + struct { + u32 carrier; + u8 duty_cycle; + }; + }; + + unsigned pulse:1; + unsigned reset:1; + unsigned timeout:1; + unsigned carrier_report:1; }; -#define IR_MAX_DURATION 0x7FFFFFFF /* a bit more than 2 seconds */ +#define ir_new_event \ + { .pulse = 0, .reset = 0, .timeout = 0, .carrier_report = 0 } + +#define IR_MAX_DURATION 0xFFFFFFFF /* a bit more than 2 seconds */ void ir_raw_event_handle(struct input_dev *input_dev); int ir_raw_event_store(struct input_dev *input_dev, struct ir_raw_event *ev); @@ -177,7 +193,9 @@ void ir_raw_event_set_idle(struct input_dev *input_dev, int idle); static inline void ir_raw_event_reset(struct input_dev *input_dev) { - struct ir_raw_event ev = { .pulse = false, .duration = 0 }; + struct ir_raw_event ev = ir_new_event; + ev.reset = true; + ir_raw_event_store(input_dev, &ev); ir_raw_event_handle(input_dev); }