diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-input.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-input.c | 487 |
1 files changed, 0 insertions, 487 deletions
diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c deleted file mode 100644 index 53526d997a4..00000000000 --- a/drivers/media/video/cx88/cx88-input.c +++ /dev/null @@ -1,487 +0,0 @@ -/* - * - * Device driver for GPIO attached remote control interfaces - * on Conexant 2388x based TV/DVB cards. - * - * Copyright (c) 2003 Pavel Machek - * Copyright (c) 2004 Gerd Knorr - * Copyright (c) 2004, 2005 Chris Pascoe - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/input.h> -#include <linux/pci.h> -#include <linux/module.h> - -#include "cx88.h" -#include <media/ir-common.h> - -/* ---------------------------------------------------------------------- */ - -struct cx88_IR { - struct cx88_core *core; - struct input_dev *input; - struct ir_input_state ir; - char name[32]; - char phys[32]; - - /* sample from gpio pin 16 */ - u32 sampling; - u32 samples[16]; - int scount; - unsigned long release; - - /* poll external decoder */ - int polling; - struct work_struct work; - struct timer_list timer; - u32 gpio_addr; - u32 last_gpio; - u32 mask_keycode; - u32 mask_keydown; - u32 mask_keyup; -}; - -static int ir_debug; -module_param(ir_debug, int, 0644); /* debug level [IR] */ -MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]"); - -#define ir_dprintk(fmt, arg...) if (ir_debug) \ - printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg) - -/* ---------------------------------------------------------------------- */ - -static void cx88_ir_handle_key(struct cx88_IR *ir) -{ - struct cx88_core *core = ir->core; - u32 gpio, data, auxgpio; - - /* read gpio value */ - gpio = cx_read(ir->gpio_addr); - switch (core->boardnr) { - case CX88_BOARD_NPGTECH_REALTV_TOP10FM: - /* This board apparently uses a combination of 2 GPIO - to represent the keys. Additionally, the second GPIO - can be used for parity. - - Example: - - for key "5" - gpio = 0x758, auxgpio = 0xe5 or 0xf5 - for key "Power" - gpio = 0x758, auxgpio = 0xed or 0xfd - */ - - auxgpio = cx_read(MO_GP1_IO); - /* Take out the parity part */ - gpio=(gpio & 0x7fd) + (auxgpio & 0xef); - break; - case CX88_BOARD_WINFAST_DTV1000: - gpio = (gpio & 0x6ff) | ((cx_read(MO_GP1_IO) << 8) & 0x900); - auxgpio = gpio; - break; - default: - auxgpio = gpio; - } - if (ir->polling) { - if (ir->last_gpio == auxgpio) - return; - ir->last_gpio = auxgpio; - } - - /* extract data */ - data = ir_extract_bits(gpio, ir->mask_keycode); - ir_dprintk("irq gpio=0x%x code=%d | %s%s%s\n", - gpio, data, - ir->polling ? "poll" : "irq", - (gpio & ir->mask_keydown) ? " down" : "", - (gpio & ir->mask_keyup) ? " up" : ""); - - if (ir->core->boardnr == CX88_BOARD_NORWOOD_MICRO) { - u32 gpio_key = cx_read(MO_GP0_IO); - - data = (data << 4) | ((gpio_key & 0xf0) >> 4); - - ir_input_keydown(ir->input, &ir->ir, data, data); - ir_input_nokey(ir->input, &ir->ir); - - } else if (ir->mask_keydown) { - /* bit set on keydown */ - if (gpio & ir->mask_keydown) { - ir_input_keydown(ir->input, &ir->ir, data, data); - } else { - ir_input_nokey(ir->input, &ir->ir); - } - - } else if (ir->mask_keyup) { - /* bit cleared on keydown */ - if (0 == (gpio & ir->mask_keyup)) { - ir_input_keydown(ir->input, &ir->ir, data, data); - } else { - ir_input_nokey(ir->input, &ir->ir); - } - - } else { - /* can't distinguish keydown/up :-/ */ - ir_input_keydown(ir->input, &ir->ir, data, data); - ir_input_nokey(ir->input, &ir->ir); - } -} - -static void ir_timer(unsigned long data) -{ - struct cx88_IR *ir = (struct cx88_IR *)data; - - schedule_work(&ir->work); -} - -static void cx88_ir_work(struct work_struct *work) -{ - struct cx88_IR *ir = container_of(work, struct cx88_IR, work); - - cx88_ir_handle_key(ir); - mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling)); -} - -void cx88_ir_start(struct cx88_core *core, struct cx88_IR *ir) -{ - if (ir->polling) { - setup_timer(&ir->timer, ir_timer, (unsigned long)ir); - INIT_WORK(&ir->work, cx88_ir_work); - schedule_work(&ir->work); - } - if (ir->sampling) { - core->pci_irqmask |= PCI_INT_IR_SMPINT; - cx_write(MO_DDS_IO, 0xa80a80); /* 4 kHz sample rate */ - cx_write(MO_DDSCFG_IO, 0x5); /* enable */ - } -} - -void cx88_ir_stop(struct cx88_core *core, struct cx88_IR *ir) -{ - if (ir->sampling) { - cx_write(MO_DDSCFG_IO, 0x0); - core->pci_irqmask &= ~PCI_INT_IR_SMPINT; - } - - if (ir->polling) { - del_timer_sync(&ir->timer); - flush_scheduled_work(); - } -} - -/* ---------------------------------------------------------------------- */ - -int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) -{ - struct cx88_IR *ir; - struct input_dev *input_dev; - IR_KEYTAB_TYPE *ir_codes = NULL; - int ir_type = IR_TYPE_OTHER; - int err = -ENOMEM; - - ir = kzalloc(sizeof(*ir), GFP_KERNEL); - input_dev = input_allocate_device(); - if (!ir || !input_dev) - goto err_out_free; - - ir->input = input_dev; - - /* detect & configure */ - switch (core->boardnr) { - 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; - 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; - ir_type = IR_TYPE_PD; - ir->sampling = 0xeb04; /* address */ - break; - case CX88_BOARD_HAUPPAUGE: - case CX88_BOARD_HAUPPAUGE_DVB_T1: - case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: - case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: - case CX88_BOARD_HAUPPAUGE_HVR1100: - case CX88_BOARD_HAUPPAUGE_HVR3000: - ir_codes = ir_codes_hauppauge_new; - ir_type = IR_TYPE_RC5; - ir->sampling = 1; - break; - case CX88_BOARD_WINFAST_DTV2000H: - ir_codes = ir_codes_winfast; - ir->gpio_addr = MO_GP0_IO; - ir->mask_keycode = 0x8f8; - ir->mask_keyup = 0x100; - ir->polling = 50; /* ms */ - break; - case CX88_BOARD_WINFAST2000XP_EXPERT: - case CX88_BOARD_WINFAST_DTV1000: - ir_codes = ir_codes_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; - ir->gpio_addr = MO_GP0_IO; - ir->mask_keycode = 0xfd; - ir->mask_keydown = 0x02; - ir->polling = 5; /* ms */ - break; - case CX88_BOARD_PROLINK_PLAYTVPVR: - case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO: - ir_codes = ir_codes_pixelview; - ir->gpio_addr = MO_GP1_IO; - ir->mask_keycode = 0x1f; - ir->mask_keyup = 0x80; - ir->polling = 1; /* ms */ - break; - case CX88_BOARD_PROLINK_PV_8000GT: - ir_codes = ir_codes_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; - 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; - 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; - ir->gpio_addr = MO_GP1_IO; - ir->mask_keycode = 0x1f; - ir->mask_keyup = 0x40; - ir->polling = 1; /* ms */ - break; - case CX88_BOARD_AVERTV_303: - case CX88_BOARD_AVERTV_STUDIO_303: - ir_codes = ir_codes_avertv_303; - ir->gpio_addr = MO_GP2_IO; - ir->mask_keycode = 0xfb; - ir->mask_keydown = 0x02; - ir->polling = 50; /* ms */ - break; - case CX88_BOARD_DNTV_LIVE_DVB_T_PRO: - ir_codes = ir_codes_dntv_live_dvbt_pro; - ir_type = IR_TYPE_PD; - ir->sampling = 0xff00; /* address */ - break; - case CX88_BOARD_NORWOOD_MICRO: - ir_codes = ir_codes_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; - 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; - ir_type = IR_TYPE_RC5; - ir->sampling = 1; - break; - case CX88_BOARD_POWERCOLOR_REAL_ANGEL: - ir_codes = ir_codes_powercolor_real_angel; - ir->gpio_addr = MO_GP2_IO; - ir->mask_keycode = 0x7e; - ir->polling = 100; /* ms */ - break; - } - - if (NULL == ir_codes) { - err = -ENODEV; - goto err_out_free; - } - - /* 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)); - - ir_input_init(input_dev, &ir->ir, ir_type, ir_codes); - input_dev->name = ir->name; - input_dev->phys = ir->phys; - input_dev->id.bustype = BUS_PCI; - input_dev->id.version = 1; - if (pci->subsystem_vendor) { - input_dev->id.vendor = pci->subsystem_vendor; - input_dev->id.product = pci->subsystem_device; - } else { - input_dev->id.vendor = pci->vendor; - input_dev->id.product = pci->device; - } - input_dev->dev.parent = &pci->dev; - /* record handles to ourself */ - ir->core = core; - core->ir = ir; - - cx88_ir_start(core, ir); - - /* all done */ - err = input_register_device(ir->input); - if (err) - goto err_out_stop; - - return 0; - - err_out_stop: - cx88_ir_stop(core, ir); - core->ir = NULL; - err_out_free: - input_free_device(input_dev); - kfree(ir); - return err; -} - -int cx88_ir_fini(struct cx88_core *core) -{ - struct cx88_IR *ir = core->ir; - - /* skip detach on non attached boards */ - if (NULL == ir) - return 0; - - cx88_ir_stop(core, ir); - input_unregister_device(ir->input); - kfree(ir); - - /* done */ - core->ir = NULL; - return 0; -} - -/* ---------------------------------------------------------------------- */ - -void cx88_ir_irq(struct cx88_core *core) -{ - struct cx88_IR *ir = core->ir; - u32 samples, ircode; - int i; - - if (NULL == ir) - return; - if (!ir->sampling) - return; - - samples = cx_read(MO_SAMPLE_IO); - if (0 != samples && 0xffffffff != samples) { - /* record sample data */ - if (ir->scount < ARRAY_SIZE(ir->samples)) - ir->samples[ir->scount++] = samples; - return; - } - if (!ir->scount) { - /* nothing to sample */ - if (ir->ir.keypressed && time_after(jiffies, ir->release)) - ir_input_nokey(ir->input, &ir->ir); - return; - } - - /* have a complete sample */ - if (ir->scount < ARRAY_SIZE(ir->samples)) - ir->samples[ir->scount++] = samples; - for (i = 0; i < ir->scount; i++) - ir->samples[i] = ~ir->samples[i]; - if (ir_debug) - ir_dump_samples(ir->samples, ir->scount); - - /* decode it */ - switch (core->boardnr) { - case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1: - case CX88_BOARD_DNTV_LIVE_DVB_T_PRO: - ircode = ir_decode_pulsedistance(ir->samples, ir->scount, 1, 4); - - if (ircode == 0xffffffff) { /* decoding error */ - ir_dprintk("pulse distance decoding error\n"); - break; - } - - ir_dprintk("pulse distance decoded: %x\n", ircode); - - if (ircode == 0) { /* key still pressed */ - ir_dprintk("pulse distance decoded repeat code\n"); - ir->release = jiffies + msecs_to_jiffies(120); - break; - } - - if ((ircode & 0xffff) != (ir->sampling & 0xffff)) { /* wrong address */ - ir_dprintk("pulse distance decoded wrong address\n"); - break; - } - - if (((~ircode >> 24) & 0xff) != ((ircode >> 16) & 0xff)) { /* wrong checksum */ - ir_dprintk("pulse distance decoded wrong check sum\n"); - break; - } - - ir_dprintk("Key Code: %x\n", (ircode >> 16) & 0x7f); - - ir_input_keydown(ir->input, &ir->ir, (ircode >> 16) & 0x7f, (ircode >> 16) & 0xff); - ir->release = jiffies + msecs_to_jiffies(120); - break; - case CX88_BOARD_HAUPPAUGE: - case CX88_BOARD_HAUPPAUGE_DVB_T1: - case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: - case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: - case CX88_BOARD_HAUPPAUGE_HVR1100: - case CX88_BOARD_HAUPPAUGE_HVR3000: - case CX88_BOARD_PINNACLE_PCTV_HD_800i: - ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7); - ir_dprintk("biphase decoded: %x\n", ircode); - if ((ircode & 0xfffff000) != 0x3000) - break; - ir_input_keydown(ir->input, &ir->ir, ircode & 0x3f, ircode); - ir->release = jiffies + msecs_to_jiffies(120); - break; - } - - ir->scount = 0; - return; -} - -/* ---------------------------------------------------------------------- */ - -MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe"); -MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls"); -MODULE_LICENSE("GPL"); -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ |