From: Johannes Stezenbach Date: Tue, 17 May 2005 04:54:49 +0000 (-0700) Subject: [PATCH] dvb: budget-av: CI fixes X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b82a96a7f28b9939576bf79a817c7a238d784b47;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git [PATCH] dvb: budget-av: CI fixes - remove enable_ci, ci interface is assumed to be present if the saa7113 is not found. - reduce the delay when checking for saa7113 - clean up the cam reset according to specifications - turn off Vcc to the cam slot if cam is removed or fails reset - remove cam reset in ciintf_init - clean up printks (KERN_) - move gpio setting into saa7113_init - clean up unreadable frontend_init (Kenneth Aafloy) Signed-off-by: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c index 7891f3f06f04..6e0f5d307c52 100644 --- a/drivers/media/dvb/ttpci/budget-av.c +++ b/drivers/media/dvb/ttpci/budget-av.c @@ -59,8 +59,12 @@ struct budget_av { struct dvb_ca_en50221 ca; }; -static int enable_ci = 0; - +/* GPIO CI Connections: + * 0 - Vcc/Reset (Reset is controlled by capacitor) + * 1 - Attribute Memory + * 2 - Card Enable (Active Low) + * 3 - Card Detect + */ /**************************************************************************** * INITIALIZATION @@ -188,22 +192,35 @@ static int ciintf_slot_reset(struct dvb_ca_en50221 *ca, int slot) { struct budget_av *budget_av = (struct budget_av *) ca->data; struct saa7146_dev *saa = budget_av->budget.dev; - int max = 20; + int timeout = 50; // 5 seconds (4.4.6 Ready) if (slot != 0) return -EINVAL; dprintk(1, "ciintf_slot_reset\n"); - /* reset the card */ - saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI); - msleep(100); - saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO); + saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */ - while (--max > 0 && ciintf_read_attribute_mem(ca, slot, 0) != 0x1d) + saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI); /* Vcc off */ + msleep(2); + saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO); /* Vcc on */ + msleep(20); /* 20 ms Vcc settling time */ + + saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTLO); /* enable card */ + + /* This should have been based on pin 16 READY of the pcmcia port, + * but AFAICS it is not routed to the saa7146 */ + while (--timeout > 0 && ciintf_read_attribute_mem(ca, slot, 0) != 0x1d) msleep(100); - ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTB); + if (timeout <= 0) + { + printk(KERN_ERR "budget-av: cam reset failed (timeout).\n"); + saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */ + saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI); /* Vcc off */ + return -ETIMEDOUT; + } + return 0; } @@ -240,7 +257,6 @@ static int ciintf_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open { struct budget_av *budget_av = (struct budget_av *) ca->data; struct saa7146_dev *saa = budget_av->budget.dev; - int cam = 0; if (slot != 0) return -EINVAL; @@ -248,15 +264,21 @@ static int ciintf_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open if (!budget_av->slot_status) { saa7146_setgpio(saa, 3, SAA7146_GPIO_INPUT); udelay(1); - cam = saa7146_read(saa, PSR) & MASK_06; - saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO); - - if (cam) + if (saa7146_read(saa, PSR) & MASK_06) + { + printk(KERN_INFO "budget-av: cam inserted\n"); budget_av->slot_status = 1; + } + saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO); } else if (!open) { saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO); if (ttpci_budget_debiread(&budget_av->budget, DEBICICAM, 0, 1, 0, 1) == -ETIMEDOUT) + { + printk(KERN_INFO "budget-av: cam ejected\n"); + saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */ + saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI); /* Vcc off */ budget_av->slot_status = 0; + } } if (budget_av->slot_status == 1) @@ -272,17 +294,11 @@ static int ciintf_init(struct budget_av *budget_av) memset(&budget_av->ca, 0, sizeof(struct dvb_ca_en50221)); - /* setup GPIOs */ - saa7146_setgpio(saa, 1, SAA7146_GPIO_OUTHI); + saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO); + saa7146_setgpio(saa, 1, SAA7146_GPIO_OUTLO); saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTLO); saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO); - /* Reset the card */ - saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI); - msleep(50); - saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO); - msleep(100); - /* Enable DEBI pins */ saa7146_write(saa, MC1, saa7146_read(saa, MC1) | (0x800 << 16) | 0x800); @@ -297,13 +313,14 @@ static int ciintf_init(struct budget_av *budget_av) budget_av->ca.slot_ts_enable = ciintf_slot_ts_enable; budget_av->ca.poll_slot_status = ciintf_poll_slot_status; budget_av->ca.data = budget_av; + if ((result = dvb_ca_en50221_init(&budget_av->budget.dvb_adapter, &budget_av->ca, 0, 1)) != 0) { - printk("budget_av: CI interface detected, but initialisation failed.\n"); + printk(KERN_ERR "budget-av: ci initialisation failed.\n"); goto error; } - // success! - printk("ciintf_init: CI interface initialised\n"); + + printk(KERN_INFO "budget-av: ci interface initialised.\n"); budget_av->budget.ci_present = 1; return 0; @@ -361,8 +378,12 @@ static const u8 saa7113_tab[] = { static int saa7113_init(struct budget_av *budget_av) { struct budget *budget = &budget_av->budget; + struct saa7146_dev *saa = budget->dev; const u8 *data = saa7113_tab; + saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI); + msleep(200); + if (i2c_writereg(&budget->i2c_adap, 0x4a, 0x01, 0x08) != 1) { dprintk(1, "saa7113 not found on KNC card\n"); return -ENODEV; @@ -697,82 +718,90 @@ static u8 read_pwm(struct budget_av *budget_av) return pwm; } +#define SUBID_DVBS_KNC1 0x0010 +#define SUBID_DVBS_KNC1_PLUS 0x0011 +#define SUBID_DVBS_TYPHOON 0x4f56 +#define SUBID_DVBS_CINERGY1200 0x1154 + +#define SUBID_DVBC_KNC1 0x0020 +#define SUBID_DVBC_KNC1_PLUS 0x0021 +#define SUBID_DVBC_CINERGY1200 0x1156 + +#define SUBID_DVBT_KNC1_PLUS 0x0031 +#define SUBID_DVBT_KNC1 0x0030 +#define SUBID_DVBT_CINERGY1200 0x1157 static void frontend_init(struct budget_av *budget_av) { - switch (budget_av->budget.dev->pci->subsystem_device) { - case 0x0011: // KNC1 DVB-S Plus budget with AV IN (stv0299/Philips SU1278(tsa5059)) - saa7146_write(budget_av->budget.dev, GPIO_CTRL, 0x50000000); // Enable / PowerON Frontend - case 0x4f56: // Typhoon/KNC1 DVB-S budget (stv0299/Philips SU1278(tsa5059)) - case 0x0010: // KNC1 DVB-S budget (stv0299/Philips SU1278(tsa5059)) - budget_av->budget.dvb_frontend = - stv0299_attach(&typhoon_config, &budget_av->budget.i2c_adap); - if (budget_av->budget.dvb_frontend != NULL) { + struct saa7146_dev * saa = budget_av->budget.dev; + struct dvb_frontend * fe = NULL; + + switch (saa->pci->subsystem_device) { + case SUBID_DVBS_KNC1_PLUS: + case SUBID_DVBC_KNC1_PLUS: + case SUBID_DVBT_KNC1_PLUS: + // Enable / PowerON Frontend + saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTHI); break; - } + } + + switch (saa->pci->subsystem_device) { + + case SUBID_DVBS_KNC1: + case SUBID_DVBS_KNC1_PLUS: + case SUBID_DVBS_TYPHOON: + fe = stv0299_attach(&typhoon_config, + &budget_av->budget.i2c_adap); break; - case 0x0021: // KNC1 DVB-C Plus budget with AV IN (tda10021/Philips CU1216(tua6034)) - saa7146_write(budget_av->budget.dev, GPIO_CTRL, 0x50000000); // Enable / PowerON Frontend - case 0x0020: // KNC1 DVB-C budget (tda10021/Philips CU1216(tua6034)) - budget_av->budget.dvb_frontend = - tda10021_attach(&philips_cu1216_config, - &budget_av->budget.i2c_adap, read_pwm(budget_av)); - if (budget_av->budget.dvb_frontend != NULL) { - break; - } + case SUBID_DVBS_CINERGY1200: + fe = stv0299_attach(&cinergy_1200s_config, + &budget_av->budget.i2c_adap); break; - case 0x0031: // KNC1 DVB-T Plus budget with AV IN (tda10046/Philips TU1216(tda6651tt)) - saa7146_write(budget_av->budget.dev, GPIO_CTRL, 0x50000000); // Enable / PowerON Frontend - case 0x0030: // KNC1 DVB-T budget (tda10046/Philips TU1216(tda6651tt)) - budget_av->budget.dvb_frontend = - tda10046_attach(&philips_tu1216_config, &budget_av->budget.i2c_adap); - if (budget_av->budget.dvb_frontend != NULL) { - break; - } + case SUBID_DVBC_KNC1: + case SUBID_DVBC_KNC1_PLUS: + fe = tda10021_attach(&philips_cu1216_config, + &budget_av->budget.i2c_adap, + read_pwm(budget_av)); break; - case 0x1154: // TerraTec Cinergy 1200 DVB-S (stv0299/Philips SU1278(tsa5059)) - budget_av->budget.dvb_frontend = - stv0299_attach(&cinergy_1200s_config, &budget_av->budget.i2c_adap); - if (budget_av->budget.dvb_frontend != NULL) { - break; - } + case SUBID_DVBT_KNC1: + case SUBID_DVBT_KNC1_PLUS: + fe = tda10046_attach(&philips_tu1216_config, + &budget_av->budget.i2c_adap); break; - case 0x1156: // Terratec Cinergy 1200 DVB-C (tda10021/Philips CU1216(tua6034)) - budget_av->budget.dvb_frontend = - tda10021_attach(&philips_cu1216_config, - &budget_av->budget.i2c_adap, read_pwm(budget_av)); - if (budget_av->budget.dvb_frontend) { - break; - } + case SUBID_DVBC_CINERGY1200: + fe = tda10021_attach(&philips_cu1216_config, + &budget_av->budget.i2c_adap, + read_pwm(budget_av)); break; - case 0x1157: // Terratec Cinergy 1200 DVB-T (tda10046/Philips TU1216(tda6651tt)) - budget_av->budget.dvb_frontend = - tda10046_attach(&philips_tu1216_config, &budget_av->budget.i2c_adap); - if (budget_av->budget.dvb_frontend) { - break; - } + case SUBID_DVBT_CINERGY1200: + fe = tda10046_attach(&philips_tu1216_config, + &budget_av->budget.i2c_adap); break; } - if (budget_av->budget.dvb_frontend == NULL) { - printk("budget_av: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n", - budget_av->budget.dev->pci->vendor, - budget_av->budget.dev->pci->device, - budget_av->budget.dev->pci->subsystem_vendor, - budget_av->budget.dev->pci->subsystem_device); - } else { - if (dvb_register_frontend - (&budget_av->budget.dvb_adapter, budget_av->budget.dvb_frontend)) { - printk("budget-av: Frontend registration failed!\n"); - if (budget_av->budget.dvb_frontend->ops->release) - budget_av->budget.dvb_frontend->ops->release(budget_av->budget.dvb_frontend); - budget_av->budget.dvb_frontend = NULL; - } + if (fe == NULL) { + printk(KERN_ERR "budget-av: A frontend driver was not found " + "for device %04x/%04x subsystem %04x/%04x\n", + saa->pci->vendor, + saa->pci->device, + saa->pci->subsystem_vendor, + saa->pci->subsystem_device); + return; + } + + budget_av->budget.dvb_frontend = fe; + + if (dvb_register_frontend(&budget_av->budget.dvb_adapter, + budget_av->budget.dvb_frontend)) { + printk(KERN_ERR "budget-av: Frontend registration failed!\n"); + if (budget_av->budget.dvb_frontend->ops->release) + budget_av->budget.dvb_frontend->ops->release(budget_av->budget.dvb_frontend); + budget_av->budget.dvb_frontend = NULL; } } @@ -829,6 +858,7 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio memset(budget_av, 0, sizeof(struct budget_av)); + budget_av->has_saa7113 = 0; budget_av->budget.ci_present = 0; dev->ext_priv = budget_av; @@ -843,10 +873,7 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio saa7146_write(dev, DD1_INIT, 0x07000600); saa7146_write(dev, MC2, MASK_09 | MASK_25 | MASK_10 | MASK_26); - saa7146_setgpio(dev, 0, SAA7146_GPIO_OUTHI); - msleep(500); - - if (0 == saa7113_init(budget_av)) { + if (saa7113_init(budget_av) == 0) { budget_av->has_saa7113 = 1; if (0 != saa7146_vv_init(dev, &vv_data)) { @@ -867,9 +894,7 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio saa7113_setinput(budget_av, 0); } else { - budget_av->has_saa7113 = 0; - - saa7146_setgpio(dev, 0, SAA7146_GPIO_OUTLO); + ciintf_init(budget_av); } /* fixme: find some sane values here... */ @@ -877,11 +902,11 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio mac = budget_av->budget.dvb_adapter.proposed_mac; if (i2c_readregs(&budget_av->budget.i2c_adap, 0xa0, 0x30, mac, 6)) { - printk("KNC1-%d: Could not read MAC from KNC1 card\n", + printk(KERN_ERR "KNC1-%d: Could not read MAC from KNC1 card\n", budget_av->budget.dvb_adapter.num); memset(mac, 0, 6); } else { - printk("KNC1-%d: MAC addr = %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", + printk(KERN_INFO "KNC1-%d: MAC addr = %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", budget_av->budget.dvb_adapter.num, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); } @@ -889,9 +914,6 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio budget_av->budget.dvb_adapter.priv = budget_av; frontend_init(budget_av); - if (enable_ci) - ciintf_init(budget_av); - return 0; } @@ -1024,5 +1046,3 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, Michael Hunold, others"); MODULE_DESCRIPTION("driver for the SAA7146 based so-called " "budget PCI DVB w/ analog input and CI-module (e.g. the KNC cards)"); -module_param_named(enable_ci, enable_ci, int, 0644); -MODULE_PARM_DESC(enable_ci, "Turn on/off CI module (default:off).");