X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fmedia%2Fdvb%2Fttpci%2Fbudget-ci.c;h=ea4257653318a04d2025c77bdecde276a1f06d9b;hb=ae1942c5712f700c9ccc8cc287c51db4daaa50d7;hp=2a2e9b400613ed6674c8ee69c349ec64f484be79;hpb=b4a9071af62f95dc6d22040a0b37ac7225ce4d54;p=powerpc.git diff --git a/drivers/media/dvb/ttpci/budget-ci.c b/drivers/media/dvb/ttpci/budget-ci.c index 2a2e9b4006..ea42576533 100644 --- a/drivers/media/dvb/ttpci/budget-ci.c +++ b/drivers/media/dvb/ttpci/budget-ci.c @@ -37,6 +37,7 @@ #include #include #include +#include #include "dvb_ca_en50221.h" #include "stv0299.h" @@ -46,7 +47,14 @@ #include "bsbe1.h" #include "bsru6.h" -#define DEBIADDR_IR 0x1234 +/* + * Regarding DEBIADDR_IR: + * Some CI modules hang if random addresses are read. + * Using address 0x4000 for the IR read means that we + * use the same address as for CI version, which should + * be a safe default. + */ +#define DEBIADDR_IR 0x4000 #define DEBIADDR_CICONTROL 0x0000 #define DEBIADDR_CIVERSION 0x4000 #define DEBIADDR_IO 0x1000 @@ -65,162 +73,227 @@ #define SLOTSTATUS_READY 8 #define SLOTSTATUS_OCCUPIED (SLOTSTATUS_PRESENT|SLOTSTATUS_RESET|SLOTSTATUS_READY) +/* Milliseconds during which key presses are regarded as key repeat and during + * which the debounce logic is active + */ +#define IR_REPEAT_TIMEOUT 350 + +/* RC5 device wildcard */ +#define IR_DEVICE_ANY 255 + +/* Some remotes sends multiple sequences per keypress (e.g. Zenith sends two), + * this setting allows the superflous sequences to be ignored + */ +static int debounce = 0; +module_param(debounce, int, 0644); +MODULE_PARM_DESC(debounce, "ignore repeated IR sequences (default: 0 = ignore no sequences)"); + +static int rc5_device = -1; +module_param(rc5_device, int, 0644); +MODULE_PARM_DESC(rc5_device, "only IR commands to given RC5 device (device = 0 - 31, any device = 255, default: autodetect)"); + +static int ir_debug = 0; +module_param(ir_debug, int, 0644); +MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding"); + +struct budget_ci_ir { + struct input_dev *dev; + struct tasklet_struct msp430_irq_tasklet; + char name[72]; /* 40 + 32 for (struct saa7146_dev).name */ + char phys[32]; + struct ir_input_state state; + int rc5_device; +}; + struct budget_ci { struct budget budget; - struct input_dev *input_dev; - struct tasklet_struct msp430_irq_tasklet; struct tasklet_struct ciintf_irq_tasklet; int slot_status; int ci_irq; struct dvb_ca_en50221 ca; - char ir_dev_name[50]; + struct budget_ci_ir ir; u8 tuner_pll_address; /* used for philips_tdm1316l configs */ }; -/* from reading the following remotes: - Zenith Universal 7 / TV Mode 807 / VCR Mode 837 - Hauppauge (from NOVA-CI-s box product) - i've taken a "middle of the road" approach and note the differences -*/ -static u16 key_map[64] = { - /* 0x0X */ - KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, - KEY_9, - KEY_ENTER, - KEY_RED, - KEY_POWER, /* RADIO on Hauppauge */ - KEY_MUTE, - 0, - KEY_A, /* TV on Hauppauge */ - /* 0x1X */ - KEY_VOLUMEUP, KEY_VOLUMEDOWN, - 0, 0, - KEY_B, - 0, 0, 0, 0, 0, 0, 0, - KEY_UP, KEY_DOWN, - KEY_OPTION, /* RESERVED on Hauppauge */ - KEY_BREAK, - /* 0x2X */ - KEY_CHANNELUP, KEY_CHANNELDOWN, - KEY_PREVIOUS, /* Prev. Ch on Zenith, SOURCE on Hauppauge */ - 0, KEY_RESTART, KEY_OK, - KEY_CYCLEWINDOWS, /* MINIMIZE on Hauppauge */ - 0, - KEY_ENTER, /* VCR mode on Zenith */ - KEY_PAUSE, - 0, - KEY_RIGHT, KEY_LEFT, - 0, - KEY_MENU, /* FULL SCREEN on Hauppauge */ - 0, - /* 0x3X */ - KEY_SLOW, - KEY_PREVIOUS, /* VCR mode on Zenith */ - KEY_REWIND, - 0, - KEY_FASTFORWARD, - KEY_PLAY, KEY_STOP, - KEY_RECORD, - KEY_TUNER, /* TV/VCR on Zenith */ - 0, - KEY_C, - 0, - KEY_EXIT, - KEY_POWER2, - KEY_TUNER, /* VCR mode on Zenith */ - 0, -}; - -static void msp430_ir_debounce(unsigned long data) +static void msp430_ir_keyup(unsigned long data) { - struct input_dev *dev = (struct input_dev *) data; - - if (dev->rep[0] == 0 || dev->rep[0] == ~0) { - input_event(dev, EV_KEY, key_map[dev->repeat_key], !!0); - return; - } - - dev->rep[0] = 0; - dev->timer.expires = jiffies + HZ * 350 / 1000; - add_timer(&dev->timer); - input_event(dev, EV_KEY, key_map[dev->repeat_key], 2); /* REPEAT */ + struct budget_ci_ir *ir = (struct budget_ci_ir *) data; + ir_input_nokey(ir->dev, &ir->state); } static void msp430_ir_interrupt(unsigned long data) { struct budget_ci *budget_ci = (struct budget_ci *) data; - struct input_dev *dev = budget_ci->input_dev; - unsigned int code = - ttpci_budget_debiread(&budget_ci->budget, DEBINOSWAP, DEBIADDR_IR, 2, 1, 0) >> 8; + struct input_dev *dev = budget_ci->ir.dev; + static int bounces = 0; + int device; + int toggle; + static int prev_toggle = -1; + static u32 ir_key; + u32 command = ttpci_budget_debiread(&budget_ci->budget, DEBINOSWAP, DEBIADDR_IR, 2, 1, 0) >> 8; + + /* + * The msp430 chip can generate two different bytes, command and device + * + * type1: X1CCCCCC, C = command bits (0 - 63) + * type2: X0TDDDDD, D = device bits (0 - 31), T = RC5 toggle bit + * + * More than one command byte may be generated before the device byte + * Only when we have both, a correct keypress is generated + */ + + /* Is this a RC5 command byte? */ + if (command & 0x40) { + if (ir_debug) + printk("budget_ci: received command byte 0x%02x\n", command); + ir_key = command & 0x3f; + return; + } - if (code & 0x40) { - code &= 0x3f; + /* It's a RC5 device byte */ + if (ir_debug) + printk("budget_ci: received device byte 0x%02x\n", command); + device = command & 0x1f; + toggle = command & 0x20; - if (timer_pending(&dev->timer)) { - if (code == dev->repeat_key) { - ++dev->rep[0]; - return; - } - del_timer(&dev->timer); - input_event(dev, EV_KEY, key_map[dev->repeat_key], !!0); - } + if (budget_ci->ir.rc5_device != IR_DEVICE_ANY && budget_ci->ir.rc5_device != device) + return; - if (!key_map[code]) { - printk("DVB (%s): no key for %02x!\n", __FUNCTION__, code); - return; - } + /* Ignore repeated key sequences if requested */ + if (toggle == prev_toggle && ir_key == dev->repeat_key && + bounces > 0 && timer_pending(&dev->timer)) { + if (ir_debug) + printk("budget_ci: debounce logic ignored IR command\n"); + bounces--; + return; + } + prev_toggle = toggle; + + /* Are we still waiting for a keyup event? */ + if (del_timer(&dev->timer)) + ir_input_nokey(dev, &budget_ci->ir.state); + + /* Generate keypress */ + if (ir_debug) + printk("budget_ci: generating keypress 0x%02x\n", ir_key); + ir_input_keydown(dev, &budget_ci->ir.state, ir_key, (ir_key & (command << 8))); - /* initialize debounce and repeat */ - dev->repeat_key = code; - /* Zenith remote _always_ sends 2 sequences */ - dev->rep[0] = ~0; - /* 350 milliseconds */ - dev->timer.expires = jiffies + HZ * 350 / 1000; - /* MAKE */ - input_event(dev, EV_KEY, key_map[code], !0); - add_timer(&dev->timer); + /* Do we want to delay the keyup event? */ + if (debounce) { + bounces = debounce; + mod_timer(&dev->timer, jiffies + msecs_to_jiffies(IR_REPEAT_TIMEOUT)); + } else { + ir_input_nokey(dev, &budget_ci->ir.state); } } static int msp430_ir_init(struct budget_ci *budget_ci) { struct saa7146_dev *saa = budget_ci->budget.dev; - struct input_dev *input_dev; - int i; + struct input_dev *input_dev = budget_ci->ir.dev; + int error; + + budget_ci->ir.dev = input_dev = input_allocate_device(); + if (!input_dev) { + printk(KERN_ERR "budget_ci: IR interface initialisation failed\n"); + error = -ENOMEM; + goto out1; + } - budget_ci->input_dev = input_dev = input_allocate_device(); - if (!input_dev) - return -ENOMEM; + snprintf(budget_ci->ir.name, sizeof(budget_ci->ir.name), + "Budget-CI dvb ir receiver %s", saa->name); + snprintf(budget_ci->ir.phys, sizeof(budget_ci->ir.phys), + "pci-%s/ir0", pci_name(saa->pci)); - sprintf(budget_ci->ir_dev_name, "Budget-CI dvb ir receiver %s", saa->name); + input_dev->name = budget_ci->ir.name; - input_dev->name = budget_ci->ir_dev_name; + input_dev->phys = budget_ci->ir.phys; + input_dev->id.bustype = BUS_PCI; + input_dev->id.version = 1; + if (saa->pci->subsystem_vendor) { + input_dev->id.vendor = saa->pci->subsystem_vendor; + input_dev->id.product = saa->pci->subsystem_device; + } else { + input_dev->id.vendor = saa->pci->vendor; + input_dev->id.product = saa->pci->device; + } + input_dev->cdev.dev = &saa->pci->dev; - set_bit(EV_KEY, input_dev->evbit); - for (i = 0; i < ARRAY_SIZE(key_map); i++) - if (key_map[i]) - set_bit(key_map[i], input_dev->keybit); + /* Select keymap and address */ + switch (budget_ci->budget.dev->pci->subsystem_device) { + case 0x100c: + case 0x100f: + case 0x1011: + case 0x1012: + case 0x1017: + /* The hauppauge keymap is a superset of these remotes */ + ir_input_init(input_dev, &budget_ci->ir.state, + IR_TYPE_RC5, ir_codes_hauppauge_new); + + if (rc5_device < 0) + budget_ci->ir.rc5_device = 0x1f; + else + budget_ci->ir.rc5_device = rc5_device; + break; + case 0x1010: + /* for the Technotrend 1500 bundled remote */ + ir_input_init(input_dev, &budget_ci->ir.state, + IR_TYPE_RC5, ir_codes_tt_1500); + + if (rc5_device < 0) + budget_ci->ir.rc5_device = IR_DEVICE_ANY; + else + budget_ci->ir.rc5_device = rc5_device; + break; + default: + /* unknown remote */ + ir_input_init(input_dev, &budget_ci->ir.state, + IR_TYPE_RC5, ir_codes_budget_ci_old); + + if (rc5_device < 0) + budget_ci->ir.rc5_device = IR_DEVICE_ANY; + else + budget_ci->ir.rc5_device = rc5_device; + break; + } - input_register_device(budget_ci->input_dev); + /* initialise the key-up debounce timeout handler */ + input_dev->timer.function = msp430_ir_keyup; + input_dev->timer.data = (unsigned long) &budget_ci->ir; - input_dev->timer.function = msp430_ir_debounce; + error = input_register_device(input_dev); + if (error) { + printk(KERN_ERR "budget_ci: could not init driver for IR device (code %d)\n", error); + goto out2; + } - saa7146_write(saa, IER, saa7146_read(saa, IER) | MASK_06); + tasklet_init(&budget_ci->ir.msp430_irq_tasklet, msp430_ir_interrupt, + (unsigned long) budget_ci); + + SAA7146_IER_ENABLE(saa, MASK_06); saa7146_setgpio(saa, 3, SAA7146_GPIO_IRQHI); return 0; + +out2: + input_free_device(input_dev); +out1: + return error; } static void msp430_ir_deinit(struct budget_ci *budget_ci) { struct saa7146_dev *saa = budget_ci->budget.dev; - struct input_dev *dev = budget_ci->input_dev; + struct input_dev *dev = budget_ci->ir.dev; - saa7146_write(saa, IER, saa7146_read(saa, IER) & ~MASK_06); + SAA7146_IER_DISABLE(saa, MASK_06); saa7146_setgpio(saa, 3, SAA7146_GPIO_INPUT); + tasklet_kill(&budget_ci->ir.msp430_irq_tasklet); - if (del_timer(&dev->timer)) - input_event(dev, EV_KEY, key_map[dev->repeat_key], !!0); + if (del_timer(&dev->timer)) { + ir_input_nokey(dev, &budget_ci->ir.state); + input_sync(dev); + } input_unregister_device(dev); } @@ -421,7 +494,7 @@ static int ciintf_init(struct budget_ci *budget_ci) memset(&budget_ci->ca, 0, sizeof(struct dvb_ca_en50221)); // enable DEBI pins - saa7146_write(saa, MC1, saa7146_read(saa, MC1) | (0x800 << 16) | 0x800); + saa7146_write(saa, MC1, MASK_27 | MASK_11); // test if it is there ci_version = ttpci_budget_debiread(&budget_ci->budget, DEBICICTL, DEBIADDR_CIVERSION, 1, 1, 0); @@ -473,7 +546,7 @@ static int ciintf_init(struct budget_ci *budget_ci) } else { saa7146_setgpio(saa, 0, SAA7146_GPIO_IRQHI); } - saa7146_write(saa, IER, saa7146_read(saa, IER) | MASK_03); + SAA7146_IER_ENABLE(saa, MASK_03); } // enable interface @@ -495,7 +568,7 @@ static int ciintf_init(struct budget_ci *budget_ci) return 0; error: - saa7146_write(saa, MC1, saa7146_read(saa, MC1) | (0x800 << 16)); + saa7146_write(saa, MC1, MASK_27); return result; } @@ -505,7 +578,7 @@ static void ciintf_deinit(struct budget_ci *budget_ci) // disable CI interrupts if (budget_ci->ci_irq) { - saa7146_write(saa, IER, saa7146_read(saa, IER) & ~MASK_03); + SAA7146_IER_DISABLE(saa, MASK_03); saa7146_setgpio(saa, 0, SAA7146_GPIO_INPUT); tasklet_kill(&budget_ci->ciintf_irq_tasklet); } @@ -523,7 +596,7 @@ static void ciintf_deinit(struct budget_ci *budget_ci) dvb_ca_en50221_release(&budget_ci->ca); // disable DEBI pins - saa7146_write(saa, MC1, saa7146_read(saa, MC1) | (0x800 << 16)); + saa7146_write(saa, MC1, MASK_27); } static void budget_ci_irq(struct saa7146_dev *dev, u32 * isr) @@ -533,7 +606,7 @@ static void budget_ci_irq(struct saa7146_dev *dev, u32 * isr) dprintk(8, "dev: %p, budget_ci: %p\n", dev, budget_ci); if (*isr & MASK_06) - tasklet_schedule(&budget_ci->msp430_irq_tasklet); + tasklet_schedule(&budget_ci->ir.msp430_irq_tasklet); if (*isr & MASK_10) ttpci_budget_irq10_handler(dev, isr); @@ -828,7 +901,7 @@ static int dvbc_philips_tdm1316l_tuner_set_params(struct dvb_frontend *fe, struc band = 1; } else if (tuner_frequency < 200000000) { cp = 6; - band = 1; + band = 2; } else if (tuner_frequency < 290000000) { cp = 3; band = 2; @@ -1028,6 +1101,7 @@ static void frontend_init(struct budget_ci *budget_ci) case 0x1012: // TT DVB-T CI budget (tda10046/Philips tdm1316l(tda6651tt)) budget_ci->tuner_pll_address = 0x60; + philips_tdm1316l_config.invert = 1; budget_ci->budget.dvb_frontend = dvb_attach(tda10046_attach, &philips_tdm1316l_config, &budget_ci->budget.i2c_adap); if (budget_ci->budget.dvb_frontend) { @@ -1075,24 +1149,23 @@ static int budget_ci_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio struct budget_ci *budget_ci; int err; - if (!(budget_ci = kmalloc(sizeof(struct budget_ci), GFP_KERNEL))) - return -ENOMEM; + budget_ci = kzalloc(sizeof(struct budget_ci), GFP_KERNEL); + if (!budget_ci) { + err = -ENOMEM; + goto out1; + } dprintk(2, "budget_ci: %p\n", budget_ci); - budget_ci->budget.ci_present = 0; - dev->ext_priv = budget_ci; - if ((err = ttpci_budget_init(&budget_ci->budget, dev, info, THIS_MODULE))) { - kfree(budget_ci); - return err; - } - - tasklet_init(&budget_ci->msp430_irq_tasklet, msp430_ir_interrupt, - (unsigned long) budget_ci); + err = ttpci_budget_init(&budget_ci->budget, dev, info, THIS_MODULE); + if (err) + goto out2; - msp430_ir_init(budget_ci); + err = msp430_ir_init(budget_ci); + if (err) + goto out3; ciintf_init(budget_ci); @@ -1102,6 +1175,13 @@ static int budget_ci_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio ttpci_budget_init_hooks(&budget_ci->budget); return 0; + +out3: + ttpci_budget_deinit(&budget_ci->budget); +out2: + kfree(budget_ci); +out1: + return err; } static int budget_ci_detach(struct saa7146_dev *dev) @@ -1112,16 +1192,13 @@ static int budget_ci_detach(struct saa7146_dev *dev) if (budget_ci->budget.ci_present) ciintf_deinit(budget_ci); + msp430_ir_deinit(budget_ci); if (budget_ci->budget.dvb_frontend) { dvb_unregister_frontend(budget_ci->budget.dvb_frontend); dvb_frontend_detach(budget_ci->budget.dvb_frontend); } err = ttpci_budget_deinit(&budget_ci->budget); - tasklet_kill(&budget_ci->msp430_irq_tasklet); - - msp430_ir_deinit(budget_ci); - // disable frontend and CI interface saa7146_setgpio(saa, 2, SAA7146_GPIO_INPUT); @@ -1154,7 +1231,7 @@ MODULE_DEVICE_TABLE(pci, pci_tbl); static struct saa7146_extension budget_extension = { .name = "budget_ci dvb", - .flags = SAA7146_I2C_SHORT_DELAY, + .flags = SAA7146_USE_I2C_IRQ, .module = THIS_MODULE, .pci_tbl = &pci_tbl[0],