From d064f960650d64e2564cd505a6e40c4ac359b6f3 Mon Sep 17 00:00:00 2001 From: Stefan Ringel Date: Sun, 20 Jun 2010 17:16:52 -0300 Subject: [PATCH] V4L/DVB: tm6000: add ir support Signed-off-by: Stefan Ringel Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/tm6000/Makefile | 3 +- drivers/staging/tm6000/tm6000-cards.c | 28 +- drivers/staging/tm6000/tm6000-input.c | 364 ++++++++++++++++++++++++++ drivers/staging/tm6000/tm6000.h | 9 + 4 files changed, 402 insertions(+), 2 deletions(-) create mode 100644 drivers/staging/tm6000/tm6000-input.c diff --git a/drivers/staging/tm6000/Makefile b/drivers/staging/tm6000/Makefile index 4129c185da5..77e06bfd2c4 100644 --- a/drivers/staging/tm6000/Makefile +++ b/drivers/staging/tm6000/Makefile @@ -2,7 +2,8 @@ tm6000-objs := tm6000-cards.o \ tm6000-core.o \ tm6000-i2c.o \ tm6000-video.o \ - tm6000-stds.o + tm6000-stds.o \ + tm6000-input.o obj-$(CONFIG_VIDEO_TM6000) += tm6000.o obj-$(CONFIG_VIDEO_TM6000_ALSA) += tm6000-alsa.o diff --git a/drivers/staging/tm6000/tm6000-cards.c b/drivers/staging/tm6000/tm6000-cards.c index 48ab5734cde..9d091c34991 100644 --- a/drivers/staging/tm6000/tm6000-cards.c +++ b/drivers/staging/tm6000/tm6000-cards.c @@ -29,6 +29,7 @@ #include #include #include +#include #include "tm6000.h" #include "tm6000-regs.h" @@ -69,6 +70,8 @@ struct tm6000_board { int demod_addr; /* demodulator address */ struct tm6000_gpio gpio; + + char *ir_codes; }; struct tm6000_board tm6000_boards[] = { @@ -276,6 +279,7 @@ struct tm6000_board tm6000_boards[] = { .dvb_led = TM6010_GPIO_5, .ir = TM6010_GPIO_0, }, + .ir_codes = RC_MAP_NEC_TERRATEC_CINERGY_XS, }, [TM6010_BOARD_TWINHAN_TU501] = { .name = "Twinhan TU501(704D1)", @@ -361,6 +365,8 @@ int tm6000_tuner_callback(void *ptr, int component, int command, int arg) switch (command) { case XC2028_RESET_CLK: + tm6000_ir_wait(dev, 0); + tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 0x02, arg); msleep(10); @@ -410,13 +416,14 @@ int tm6000_tuner_callback(void *ptr, int component, int command, int arg) msleep(130); break; } + + tm6000_ir_wait(dev, 1); break; case 1: tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 0x02, 0x01); msleep(10); break; - case 2: rc = tm6000_i2c_reset(dev, 100); break; @@ -636,6 +643,8 @@ static int tm6000_init_dev(struct tm6000_core *dev) dev->gpio = tm6000_boards[dev->model].gpio; + dev->ir_codes = tm6000_boards[dev->model].ir_codes; + dev->demod_addr = tm6000_boards[dev->model].demod_addr; dev->caps = tm6000_boards[dev->model].caps; @@ -684,6 +693,8 @@ static int tm6000_init_dev(struct tm6000_core *dev) tm6000_add_into_devlist(dev); tm6000_init_extension(dev); + tm6000_ir_init(dev); + mutex_unlock(&dev->lock); return 0; @@ -829,6 +840,19 @@ static int tm6000_usb_probe(struct usb_interface *interface, &dev->isoc_out); } break; + case USB_ENDPOINT_XFER_INT: + if (!dir_out) { + get_max_endpoint(usbdev, + &interface->altsetting[i], + "INT IN", e, + &dev->int_in); + } else { + get_max_endpoint(usbdev, + &interface->altsetting[i], + "INT OUT", e, + &dev->int_out); + } + break; } } } @@ -887,6 +911,8 @@ static void tm6000_usb_disconnect(struct usb_interface *interface) mutex_lock(&dev->lock); + tm6000_ir_fini(dev); + if (dev->gpio.power_led) { switch (dev->model) { case TM6010_BOARD_HAUPPAUGE_900H: diff --git a/drivers/staging/tm6000/tm6000-input.c b/drivers/staging/tm6000/tm6000-input.c new file mode 100644 index 00000000000..53336ffee8d --- /dev/null +++ b/drivers/staging/tm6000/tm6000-input.c @@ -0,0 +1,364 @@ +/* + tm6000-input.c - driver for TM5600/TM6000/TM6010 USB video capture devices + + Copyright (C) 2010 Stefan Ringel + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation version 2 + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include + +#include +#include + +#include +#include + +#include "tm6000.h" +#include "tm6000-regs.h" + +static unsigned int ir_debug; +module_param(ir_debug, int, 0644); +MODULE_PARM_DESC(ir_debug, "enable debug message [IR]"); + +static unsigned int enable_ir = 1; +module_param(enable_ir, int, 0644); +MODULE_PARM_DESC(enable_ir, "enable ir (default is enable"); + +#undef dprintk + +#define dprintk(fmt, arg... ) \ + if (ir_debug) { \ + printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg); \ + } + +struct tm6000_ir_poll_result { + u8 rc_data[4]; +}; + +struct tm6000_IR { + struct tm6000_core *dev; + struct ir_input_dev *input; + struct ir_input_state ir; + char name[32]; + char phys[32]; + + /* poll expernal decoder */ + int polling; + struct delayed_work work; + u8 wait:1; + struct urb *int_urb; + u8 *urb_data; + u8 key:1; + + int (*get_key) (struct tm6000_IR *, struct tm6000_ir_poll_result *); + + /* IR device properties */ + struct ir_dev_props props; +}; + + +void tm6000_ir_wait(struct tm6000_core *dev, u8 state) +{ + struct tm6000_IR *ir = dev->ir; + + if (!dev->ir) + return; + + if (state) + ir->wait = 1; + else + ir->wait = 0; +} + + +static int tm6000_ir_config(struct tm6000_IR *ir) +{ + struct tm6000_core *dev = ir->dev; + u8 buf[10]; + int rc; + + /* hack */ + buf[0] = 0xff; + buf[1] = 0xff; + buf[2] = 0xf2; + buf[3] = 0x2b; + buf[4] = 0x20; + buf[5] = 0x35; + buf[6] = 0x60; + buf[7] = 0x04; + buf[8] = 0xc0; + buf[9] = 0x08; + + rc = tm6000_read_write_usb(dev, USB_DIR_OUT | USB_TYPE_VENDOR | + USB_RECIP_DEVICE, REQ_00_SET_IR_VALUE, 0, 0, buf, 0x0a); + msleep(100); + + if (rc < 0) { + printk(KERN_INFO "IR configuration failed"); + return rc; + } + return 0; +} + +static void tm6000_ir_urb_received(struct urb *urb) +{ + struct tm6000_core *dev = urb->context; + struct tm6000_IR *ir = dev->ir; + int rc; + + if (urb->status != 0) + printk(KERN_INFO "not ready\n"); + else if (urb->actual_length > 0) + memcpy (ir->urb_data, urb->transfer_buffer, urb->actual_length); + + dprintk ("data %02x %02x %02x %02x\n", ir->urb_data[0], + ir->urb_data[1], ir->urb_data[2], ir->urb_data[3]); + + ir->key = 1; + + rc = usb_submit_urb(urb, GFP_ATOMIC); +} + +static int default_polling_getkey(struct tm6000_IR *ir, + struct tm6000_ir_poll_result *poll_result) +{ + struct tm6000_core *dev = ir->dev; + int rc; + u8 buf[2]; + + if(ir->wait && !&dev->int_in) { + poll_result->rc_data[0] = 0xff; + return 0; + } + + if (&dev->int_in) { + poll_result->rc_data[0] = ir->urb_data[0]; + poll_result->rc_data[1] = ir->urb_data[1]; + } else { + tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 0); + msleep(10); + tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 1); + msleep(10); + + rc = tm6000_read_write_usb(dev, USB_DIR_IN | USB_TYPE_VENDOR | + USB_RECIP_DEVICE, REQ_02_GET_IR_CODE, 0, 0, buf, 1); + + msleep(10); + + dprintk ("read data=%02x\n", buf[0]); + if (rc < 0) { + return rc; + } + poll_result->rc_data[0] = buf[0]; + } + return 0; +} + +static void tm6000_ir_handle_key(struct tm6000_IR *ir) +{ + int result; + struct tm6000_ir_poll_result poll_result; + + /* read the registers containing the IR status */ + result = ir->get_key(ir, &poll_result); + if (result < 0) { + printk(KERN_INFO "ir->get_key() failed %d\n", result); + return; + } + + dprintk("ir->get_key result data=%02x %02x\n", + poll_result.rc_data[0], poll_result.rc_data[1]); + + if (poll_result.rc_data[0] != 0xff && ir->key == 1) { + ir_input_keydown(ir->input->input_dev, &ir->ir, + poll_result.rc_data[0] | poll_result.rc_data[1] << 8); + + ir_input_nokey(ir->input->input_dev, &ir->ir); + ir->key = 0; + } + return; +} + +static void tm6000_ir_work(struct work_struct *work) +{ + struct tm6000_IR *ir = container_of(work, struct tm6000_IR, work.work); + + tm6000_ir_handle_key(ir); + schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling)); +} + +static int tm6000_ir_start(void *priv) +{ + struct tm6000_IR *ir = priv; + + INIT_DELAYED_WORK(&ir->work, tm6000_ir_work); + schedule_delayed_work(&ir->work, 0); + + return 0; +} + +static void tm6000_ir_stop(void *priv) +{ + struct tm6000_IR *ir = priv; + + cancel_delayed_work_sync(&ir->work); +} + +int tm6000_ir_change_protocol(void *priv, u64 ir_type) +{ + struct tm6000_IR *ir = priv; + + ir->get_key = default_polling_getkey; + + tm6000_ir_config(ir); + /* TODO */ + return 0; +} + +int tm6000_ir_init(struct tm6000_core *dev) +{ + struct tm6000_IR *ir; + struct ir_input_dev *ir_input_dev; + int err = -ENOMEM; + int pipe, size, rc; + + if (!enable_ir) + return -ENODEV; + + if (!dev->caps.has_remote) + return 0; + + if (!dev->ir_codes) + return 0; + + ir = kzalloc(sizeof(*ir), GFP_KERNEL); + ir_input_dev = kzalloc(sizeof(*ir_input_dev), GFP_KERNEL); + ir_input_dev->input_dev = input_allocate_device(); + if (!ir || !ir_input_dev || !ir_input_dev->input_dev) + goto err_out_free; + + /* record handles to ourself */ + ir->dev = dev; + dev->ir = ir; + + ir->input = ir_input_dev; + + /* input einrichten */ + ir->props.allowed_protos = IR_TYPE_RC5 | IR_TYPE_NEC; + ir->props.priv = ir; + ir->props.change_protocol = tm6000_ir_change_protocol; + ir->props.open = tm6000_ir_start; + ir->props.close = tm6000_ir_stop; + ir->props.driver_type = RC_DRIVER_SCANCODE; + + ir->polling = 50; + + snprintf(ir->name, sizeof(ir->name), "tm5600/60x0 IR (%s)", + dev->name); + + usb_make_path(dev->udev, ir->phys, sizeof(ir->phys)); + strlcat(ir->phys, "/input0", sizeof(ir->phys)); + + tm6000_ir_change_protocol(ir, IR_TYPE_UNKNOWN); + err = ir_input_init(ir_input_dev->input_dev, &ir->ir, IR_TYPE_OTHER); + if (err < 0) + goto err_out_free; + + ir_input_dev->input_dev->name = ir->name; + ir_input_dev->input_dev->phys = ir->phys; + ir_input_dev->input_dev->id.bustype = BUS_USB; + ir_input_dev->input_dev->id.version = 1; + ir_input_dev->input_dev->id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor); + ir_input_dev->input_dev->id.product = le16_to_cpu(dev->udev->descriptor.idProduct); + + ir_input_dev->input_dev->dev.parent = &dev->udev->dev; + + if (&dev->int_in) { + dprintk("IR over int\n"); + + ir->int_urb = usb_alloc_urb(0, GFP_KERNEL); + + pipe = usb_rcvintpipe(dev->udev, + dev->int_in.endp->desc.bEndpointAddress + & USB_ENDPOINT_NUMBER_MASK); + + size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); + dprintk("IR max size: %d\n", size); + + ir->int_urb->transfer_buffer = kzalloc(size, GFP_KERNEL); + if (ir->int_urb->transfer_buffer == NULL) { + usb_free_urb(ir->int_urb); + goto err_out_stop; + } + dprintk("int interval: %d\n", dev->int_in.endp->desc.bInterval); + usb_fill_int_urb(ir->int_urb, dev->udev, pipe, + ir->int_urb->transfer_buffer, size, + tm6000_ir_urb_received, dev, + dev->int_in.endp->desc.bInterval); + rc = usb_submit_urb(ir->int_urb, GFP_KERNEL); + if (rc) { + kfree(ir->int_urb->transfer_buffer); + usb_free_urb(ir->int_urb); + err = rc; + goto err_out_stop; + } + ir->urb_data = kzalloc(size, GFP_KERNEL); + } + + /* ir register */ + err = ir_input_register(ir->input->input_dev, dev->ir_codes, + &ir->props, "tm6000"); + if (err) + goto err_out_stop; + + return 0; + +err_out_stop: + dev->ir = NULL; +err_out_free: + kfree(ir_input_dev); + kfree(ir); + return err; +} + +int tm6000_ir_fini(struct tm6000_core *dev) +{ + struct tm6000_IR *ir = dev->ir; + + /* skip detach on non attached board */ + + if (!ir) + return 0; + + ir_input_unregister(ir->input->input_dev); + + if (ir->int_urb) { + usb_kill_urb(ir->int_urb); + kfree(ir->int_urb->transfer_buffer); + usb_free_urb(ir->int_urb); + ir->int_urb = NULL; + kfree(ir->urb_data); + ir->urb_data = NULL; + } + + kfree(ir->input); + ir->input = NULL; + kfree(ir); + dev->ir = NULL; + + return 0; +} diff --git a/drivers/staging/tm6000/tm6000.h b/drivers/staging/tm6000/tm6000.h index 89862a49520..1ec1bff9b29 100644 --- a/drivers/staging/tm6000/tm6000.h +++ b/drivers/staging/tm6000/tm6000.h @@ -171,6 +171,8 @@ struct tm6000_core { struct tm6000_gpio gpio; + char *ir_codes; + /* Demodulator configuration */ int demod_addr; /* demodulator address */ @@ -204,6 +206,8 @@ struct tm6000_core { /* audio support */ struct snd_tm6000_card *adev; + struct tm6000_IR *ir; + /* locks */ struct mutex lock; @@ -211,6 +215,7 @@ struct tm6000_core { struct usb_device *udev; /* the usb device */ struct tm6000_endpoint bulk_in, bulk_out, isoc_in, isoc_out; + struct tm6000_endpoint int_in, int_out; /* scaler!=0 if scaler is active*/ int scaler; @@ -317,6 +322,10 @@ int tm6000_queue_init(struct tm6000_core *dev); /* In tm6000-alsa.c */ /*int tm6000_audio_init(struct tm6000_core *dev, int idx);*/ +/* In tm6000-input.c */ +int tm6000_ir_init(struct tm6000_core *dev); +int tm6000_ir_fini(struct tm6000_core *dev); +void tm6000_ir_wait(struct tm6000_core *dev, u8 state); /* Debug stuff */ -- 2.20.1