diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-input.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-input.c | 635 |
1 files changed, 0 insertions, 635 deletions
diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c deleted file mode 100644 index ebf448c48ca3..000000000000 --- a/drivers/media/video/cx88/cx88-input.c +++ /dev/null @@ -1,635 +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/hrtimer.h> -#include <linux/pci.h> -#include <linux/slab.h> -#include <linux/module.h> - -#include "cx88.h" -#include <media/rc-core.h> - -#define MODULE_NAME "cx88xx" - -/* ---------------------------------------------------------------------- */ - -struct cx88_IR { - struct cx88_core *core; - struct rc_dev *dev; - - int users; - - char name[32]; - char phys[32]; - - /* sample from gpio pin 16 */ - u32 sampling; - - /* poll external decoder */ - int polling; - struct hrtimer timer; - u32 gpio_addr; - u32 last_gpio; - u32 mask_keycode; - u32 mask_keydown; - u32 mask_keyup; -}; - -static unsigned ir_samplerate = 4; -module_param(ir_samplerate, uint, 0444); -MODULE_PARM_DESC(ir_samplerate, "IR samplerate in kHz, 1 - 20, default 4"); - -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) - -#define dprintk(fmt, arg...) if (ir_debug) \ - printk(KERN_DEBUG "cx88 IR: " fmt , ##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: - case CX88_BOARD_WINFAST_DTV1800H: - case CX88_BOARD_WINFAST_DTV1800H_XC4000: - case CX88_BOARD_WINFAST_DTV2000H_PLUS: - case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: - case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36: - case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43: - 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); - - rc_keydown(ir->dev, data, 0); - - } else if (ir->mask_keydown) { - /* bit set on keydown */ - if (gpio & ir->mask_keydown) - rc_keydown_notimeout(ir->dev, data, 0); - else - rc_keyup(ir->dev); - - } else if (ir->mask_keyup) { - /* bit cleared on keydown */ - if (0 == (gpio & ir->mask_keyup)) - rc_keydown_notimeout(ir->dev, data, 0); - else - rc_keyup(ir->dev); - - } else { - /* can't distinguish keydown/up :-/ */ - rc_keydown_notimeout(ir->dev, data, 0); - rc_keyup(ir->dev); - } -} - -static enum hrtimer_restart cx88_ir_work(struct hrtimer *timer) -{ - unsigned long missed; - struct cx88_IR *ir = container_of(timer, struct cx88_IR, timer); - - cx88_ir_handle_key(ir); - missed = hrtimer_forward_now(&ir->timer, - ktime_set(0, ir->polling * 1000000)); - if (missed > 1) - ir_dprintk("Missed ticks %ld\n", missed - 1); - - return HRTIMER_RESTART; -} - -static int __cx88_ir_start(void *priv) -{ - struct cx88_core *core = priv; - struct cx88_IR *ir; - - if (!core || !core->ir) - return -EINVAL; - - ir = core->ir; - - if (ir->polling) { - hrtimer_init(&ir->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - ir->timer.function = cx88_ir_work; - hrtimer_start(&ir->timer, - ktime_set(0, ir->polling * 1000000), - HRTIMER_MODE_REL); - } - if (ir->sampling) { - core->pci_irqmask |= PCI_INT_IR_SMPINT; - cx_write(MO_DDS_IO, 0x33F286 * ir_samplerate); /* samplerate */ - cx_write(MO_DDSCFG_IO, 0x5); /* enable */ - } - return 0; -} - -static void __cx88_ir_stop(void *priv) -{ - struct cx88_core *core = priv; - struct cx88_IR *ir; - - if (!core || !core->ir) - return; - - ir = core->ir; - if (ir->sampling) { - cx_write(MO_DDSCFG_IO, 0x0); - core->pci_irqmask &= ~PCI_INT_IR_SMPINT; - } - - if (ir->polling) - hrtimer_cancel(&ir->timer); -} - -int cx88_ir_start(struct cx88_core *core) -{ - if (core->ir->users) - return __cx88_ir_start(core); - - return 0; -} - -void cx88_ir_stop(struct cx88_core *core) -{ - if (core->ir->users) - __cx88_ir_stop(core); -} - -static int cx88_ir_open(struct rc_dev *rc) -{ - struct cx88_core *core = rc->priv; - - core->ir->users++; - return __cx88_ir_start(core); -} - -static void cx88_ir_close(struct rc_dev *rc) -{ - struct cx88_core *core = rc->priv; - - core->ir->users--; - if (!core->ir->users) - __cx88_ir_stop(core); -} - -/* ---------------------------------------------------------------------- */ - -int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) -{ - struct cx88_IR *ir; - struct rc_dev *dev; - char *ir_codes = NULL; - u64 rc_type = RC_TYPE_OTHER; - int err = -ENOMEM; - u32 hardware_mask = 0; /* For devices with a hardware mask, when - * used with a full-code IR table - */ - - ir = kzalloc(sizeof(*ir), GFP_KERNEL); - dev = rc_allocate_device(); - if (!ir || !dev) - goto err_out_free; - - ir->dev = 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 = RC_MAP_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 = RC_MAP_CINERGY_1400; - 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: - case CX88_BOARD_HAUPPAUGE_HVR4000: - case CX88_BOARD_HAUPPAUGE_HVR4000LITE: - case CX88_BOARD_PCHDTV_HD3000: - case CX88_BOARD_PCHDTV_HD5500: - case CX88_BOARD_HAUPPAUGE_IRONLY: - ir_codes = RC_MAP_HAUPPAUGE; - ir->sampling = 1; - break; - case CX88_BOARD_WINFAST_DTV2000H: - case CX88_BOARD_WINFAST_DTV2000H_J: - case CX88_BOARD_WINFAST_DTV1800H: - case CX88_BOARD_WINFAST_DTV1800H_XC4000: - case CX88_BOARD_WINFAST_DTV2000H_PLUS: - ir_codes = RC_MAP_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: - case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: - case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36: - case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43: - ir_codes = RC_MAP_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 = RC_MAP_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: - /* - * It seems that this hardware is paired with NEC extended - * address 0x866b. So, unfortunately, its usage with other - * IR's with different address won't work. Still, there are - * other IR's from the same manufacturer that works, like the - * 002-T mini RC, provided with newer PV hardware - */ - ir_codes = RC_MAP_PIXELVIEW_MK12; - ir->gpio_addr = MO_GP1_IO; - ir->mask_keyup = 0x80; - ir->polling = 10; /* ms */ - hardware_mask = 0x3f; /* Hardware returns only 6 bits from command part */ - break; - case CX88_BOARD_PROLINK_PV_8000GT: - case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME: - ir_codes = RC_MAP_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 = RC_MAP_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 = RC_MAP_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 = RC_MAP_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 = RC_MAP_AVERTV_303; - ir->gpio_addr = MO_GP2_IO; - ir->mask_keycode = 0xfb; - ir->mask_keydown = 0x02; - ir->polling = 50; /* ms */ - break; - case CX88_BOARD_OMICOM_SS4_PCI: - case CX88_BOARD_SATTRADE_ST4200: - case CX88_BOARD_TBS_8920: - case CX88_BOARD_TBS_8910: - case CX88_BOARD_PROF_7300: - case CX88_BOARD_PROF_7301: - case CX88_BOARD_PROF_6200: - ir_codes = RC_MAP_TBS_NEC; - ir->sampling = 0xff00; /* address */ - break; - case CX88_BOARD_TEVII_S464: - case CX88_BOARD_TEVII_S460: - case CX88_BOARD_TEVII_S420: - ir_codes = RC_MAP_TEVII_NEC; - ir->sampling = 0xff00; /* address */ - break; - case CX88_BOARD_DNTV_LIVE_DVB_T_PRO: - ir_codes = RC_MAP_DNTV_LIVE_DVBT_PRO; - ir->sampling = 0xff00; /* address */ - break; - case CX88_BOARD_NORWOOD_MICRO: - ir_codes = RC_MAP_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 = RC_MAP_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 = RC_MAP_PINNACLE_PCTV_HD; - ir->sampling = 1; - break; - case CX88_BOARD_POWERCOLOR_REAL_ANGEL: - ir_codes = RC_MAP_POWERCOLOR_REAL_ANGEL; - ir->gpio_addr = MO_GP2_IO; - ir->mask_keycode = 0x7e; - ir->polling = 100; /* ms */ - break; - case CX88_BOARD_TWINHAN_VP1027_DVBS: - ir_codes = RC_MAP_TWINHAN_VP1027_DVBS; - rc_type = RC_TYPE_NEC; - ir->sampling = 0xff00; /* address */ - break; - } - - if (!ir_codes) { - err = -ENODEV; - goto err_out_free; - } - - /* - * The usage of mask_keycode were very convenient, due to several - * reasons. Among others, the scancode tables were using the scancode - * as the index elements. So, the less bits it was used, the smaller - * the table were stored. After the input changes, the better is to use - * the full scancodes, since it allows replacing the IR remote by - * another one. Unfortunately, there are still some hardware, like - * Pixelview Ultra Pro, where only part of the scancode is sent via - * GPIO. So, there's no way to get the full scancode. Due to that, - * hardware_mask were introduced here: it represents those hardware - * that has such limits. - */ - if (hardware_mask && !ir->mask_keycode) - ir->mask_keycode = hardware_mask; - - /* 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)); - - dev->input_name = ir->name; - dev->input_phys = ir->phys; - dev->input_id.bustype = BUS_PCI; - dev->input_id.version = 1; - if (pci->subsystem_vendor) { - dev->input_id.vendor = pci->subsystem_vendor; - dev->input_id.product = pci->subsystem_device; - } else { - dev->input_id.vendor = pci->vendor; - dev->input_id.product = pci->device; - } - dev->dev.parent = &pci->dev; - dev->map_name = ir_codes; - dev->driver_name = MODULE_NAME; - dev->priv = core; - dev->open = cx88_ir_open; - dev->close = cx88_ir_close; - dev->scanmask = hardware_mask; - - if (ir->sampling) { - dev->driver_type = RC_DRIVER_IR_RAW; - dev->timeout = 10 * 1000 * 1000; /* 10 ms */ - } else { - dev->driver_type = RC_DRIVER_SCANCODE; - dev->allowed_protos = rc_type; - } - - ir->core = core; - core->ir = ir; - - /* all done */ - err = rc_register_device(dev); - if (err) - goto err_out_free; - - return 0; - -err_out_free: - rc_free_device(dev); - core->ir = NULL; - 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); - rc_unregister_device(ir->dev); - kfree(ir); - - /* done */ - core->ir = NULL; - return 0; -} - -/* ---------------------------------------------------------------------- */ - -void cx88_ir_irq(struct cx88_core *core) -{ - struct cx88_IR *ir = core->ir; - u32 samples; - unsigned todo, bits; - struct ir_raw_event ev; - - if (!ir || !ir->sampling) - return; - - /* - * Samples are stored in a 32 bit register, oldest sample in - * the msb. A set bit represents space and an unset bit - * represents a pulse. - */ - samples = cx_read(MO_SAMPLE_IO); - - if (samples == 0xff && ir->dev->idle) - return; - - init_ir_raw_event(&ev); - for (todo = 32; todo > 0; todo -= bits) { - ev.pulse = samples & 0x80000000 ? false : true; - bits = min(todo, 32U - fls(ev.pulse ? samples : ~samples)); - ev.duration = (bits * (NSEC_PER_SEC / 1000)) / ir_samplerate; - ir_raw_event_store_with_filter(ir->dev, &ev); - samples <<= bits; - } - ir_raw_event_handle(ir->dev); -} - -static int get_key_pvr2000(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) -{ - int flags, code; - - /* poll IR chip */ - flags = i2c_smbus_read_byte_data(ir->c, 0x10); - if (flags < 0) { - dprintk("read error\n"); - return 0; - } - /* key pressed ? */ - if (0 == (flags & 0x80)) - return 0; - - /* read actual key code */ - code = i2c_smbus_read_byte_data(ir->c, 0x00); - if (code < 0) { - dprintk("read error\n"); - return 0; - } - - dprintk("IR Key/Flags: (0x%02x/0x%02x)\n", - code & 0xff, flags & 0xff); - - *ir_key = code & 0xff; - *ir_raw = code; - return 1; -} - -void cx88_i2c_init_ir(struct cx88_core *core) -{ - struct i2c_board_info info; - const unsigned short default_addr_list[] = { - 0x18, 0x6b, 0x71, - I2C_CLIENT_END - }; - const unsigned short pvr2000_addr_list[] = { - 0x18, 0x1a, - I2C_CLIENT_END - }; - const unsigned short *addr_list = default_addr_list; - const unsigned short *addrp; - /* Instantiate the IR receiver device, if present */ - if (0 != core->i2c_rc) - return; - - memset(&info, 0, sizeof(struct i2c_board_info)); - strlcpy(info.type, "ir_video", I2C_NAME_SIZE); - - switch (core->boardnr) { - case CX88_BOARD_LEADTEK_PVR2000: - addr_list = pvr2000_addr_list; - core->init_data.name = "cx88 Leadtek PVR 2000 remote"; - core->init_data.type = RC_TYPE_UNKNOWN; - core->init_data.get_key = get_key_pvr2000; - core->init_data.ir_codes = RC_MAP_EMPTY; - break; - } - - /* - * We can't call i2c_new_probed_device() because it uses - * quick writes for probing and at least some RC receiver - * devices only reply to reads. - * Also, Hauppauge XVR needs to be specified, as address 0x71 - * conflicts with another remote type used with saa7134 - */ - for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) { - info.platform_data = NULL; - memset(&core->init_data, 0, sizeof(core->init_data)); - - if (*addrp == 0x71) { - /* Hauppauge XVR */ - core->init_data.name = "cx88 Hauppauge XVR remote"; - core->init_data.ir_codes = RC_MAP_HAUPPAUGE; - core->init_data.type = RC_TYPE_RC5; - core->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; - - info.platform_data = &core->init_data; - } - if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0, - I2C_SMBUS_READ, 0, - I2C_SMBUS_QUICK, NULL) >= 0) { - info.addr = *addrp; - i2c_new_device(&core->i2c_adap, &info); - break; - } - } -} - -/* ---------------------------------------------------------------------- */ - -MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe"); -MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls"); -MODULE_LICENSE("GPL"); |
