[02/14,media] ddbridge: split code into multiple files

Message ID	20170709194221.10255-3-d.scheller.oss@gmail.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-media-owner@kernel.org> From: Daniel Scheller <d.scheller.oss@gmail.com> To: linux-media@vger.kernel.org, mchehab@kernel.org, mchehab@s-opensource.com Cc: jasmin@anw.at, d_spingler@gmx.de, rjkm@metzlerbros.de Subject: [PATCH 02/14] [media] ddbridge: split code into multiple files Date: Sun, 9 Jul 2017 21:42:09 +0200 Message-Id: <20170709194221.10255-3-d.scheller.oss@gmail.com> In-Reply-To: <20170709194221.10255-1-d.scheller.oss@gmail.com> References: <20170709194221.10255-1-d.scheller.oss@gmail.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk

diff --git a/drivers/media/pci/ddbridge/Makefile b/drivers/media/pci/ddbridge/Makefile index 7446c8b677b5..fe8ff0c681ad 100644 --- a/drivers/media/pci/ddbridge/Makefile +++ b/drivers/media/pci/ddbridge/Makefile @@ -2,7 +2,7 @@ # Makefile for the ddbridge device driver # -ddbridge-objs := ddbridge-core.o +ddbridge-objs := ddbridge-main.o ddbridge-core.o ddbridge-i2c.o obj-$(CONFIG_DVB_DDBRIDGE) += ddbridge.o diff --git a/drivers/media/pci/ddbridge/ddbridge-core.c b/drivers/media/pci/ddbridge/ddbridge-core.c index 4d6ab46cb635..ccbc9f41b10e 100644 --- a/drivers/media/pci/ddbridge/ddbridge-core.c +++ b/drivers/media/pci/ddbridge/ddbridge-core.c @@ -32,8 +32,8 @@ #include <linux/i2c.h> #include <linux/swab.h> #include <linux/vmalloc.h> -#include "ddbridge.h" +#include "ddbridge.h" #include "ddbridge-regs.h" #include "tda18271c2dd.h" @@ -49,227 +49,8 @@ #include "stv6111.h" #include "lnbh25.h" -static int xo2_speed = 2; -module_param(xo2_speed, int, 0444); -MODULE_PARM_DESC(xo2_speed, "default transfer speed for xo2 based duoflex, 0=55,1=75,2=90,3=104 MBit/s, default=2, use attribute to change for individual cards"); - -static int stv0910_single; -module_param(stv0910_single, int, 0444); -MODULE_PARM_DESC(stv0910_single, "use stv0910 cards as single demods"); - DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); -/* MSI had problems with lost interrupts, fixed but needs testing */ -#undef CONFIG_PCI_MSI - -/******************************************************************************/ - -static int i2c_io(struct i2c_adapter *adapter, u8 adr, - u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen) -{ - struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0, - .buf = wbuf, .len = wlen }, - {.addr = adr, .flags = I2C_M_RD, - .buf = rbuf, .len = rlen } }; - return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1; -} - -static int i2c_write(struct i2c_adapter *adap, u8 adr, u8 *data, int len) -{ - struct i2c_msg msg = {.addr = adr, .flags = 0, - .buf = data, .len = len}; - - return (i2c_transfer(adap, &msg, 1) == 1) ? 0 : -1; -} - -static int i2c_read(struct i2c_adapter *adapter, u8 adr, u8 *val) -{ - struct i2c_msg msgs[1] = {{.addr = adr, .flags = I2C_M_RD, - .buf = val, .len = 1 } }; - return (i2c_transfer(adapter, msgs, 1) == 1) ? 0 : -1; -} - -static int i2c_read_regs(struct i2c_adapter *adapter, - u8 adr, u8 reg, u8 *val, u8 len) -{ - struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0, - .buf = &reg, .len = 1 }, - {.addr = adr, .flags = I2C_M_RD, - .buf = val, .len = len } }; - return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1; -} - -static int i2c_read_reg(struct i2c_adapter *adapter, u8 adr, u8 reg, u8 *val) -{ - return i2c_read_regs(adapter, adr, reg, val, 1); -} - -static int i2c_read_reg16(struct i2c_adapter *adapter, u8 adr, - u16 reg, u8 *val) -{ - u8 msg[2] = {reg>>8, reg&0xff}; - struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0, - .buf = msg, .len = 2}, - {.addr = adr, .flags = I2C_M_RD, - .buf = val, .len = 1} }; - return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1; -} - -static int i2c_write_reg(struct i2c_adapter *adap, u8 adr, - u8 reg, u8 val) -{ - u8 msg[2] = {reg, val}; - - return i2c_write(adap, adr, msg, 2); -} - -static inline u32 safe_ddbreadl(struct ddb *dev, u32 adr) -{ - u32 val = ddbreadl(adr); - - /* (ddb)readl returns (uint)-1 (all bits set) on failure, catch that */ - if (val == ~0) { - dev_err(&dev->pdev->dev, "ddbreadl failure, adr=%08x\n", adr); - return 0; - } - - return val; -} - -static int ddb_i2c_cmd(struct ddb_i2c *i2c, u32 adr, u32 cmd) -{ - struct ddb *dev = i2c->dev; - long stat; - u32 val; - - i2c->done = 0; - ddbwritel((adr << 9) | cmd, i2c->regs + I2C_COMMAND); - stat = wait_event_timeout(i2c->wq, i2c->done == 1, HZ); - if (stat == 0) { - dev_err(&dev->pdev->dev, "I2C timeout\n"); - { /* MSI debugging*/ - u32 istat = ddbreadl(INTERRUPT_STATUS); - dev_err(&dev->pdev->dev, "IRS %08x\n", istat); - ddbwritel(istat, INTERRUPT_ACK); - } - return -EIO; - } - val = ddbreadl(i2c->regs+I2C_COMMAND); - if (val & 0x70000) - return -EIO; - return 0; -} - -static int ddb_i2c_master_xfer(struct i2c_adapter *adapter, - struct i2c_msg msg[], int num) -{ - struct ddb_i2c *i2c = (struct ddb_i2c *)i2c_get_adapdata(adapter); - struct ddb *dev = i2c->dev; - u8 addr = 0; - - if (num) - addr = msg[0].addr; - - if (num == 2 && msg[1].flags & I2C_M_RD && - !(msg[0].flags & I2C_M_RD)) { - memcpy_toio(dev->regs + I2C_TASKMEM_BASE + i2c->wbuf, - msg[0].buf, msg[0].len); - ddbwritel(msg[0].len|(msg[1].len << 16), - i2c->regs+I2C_TASKLENGTH); - if (!ddb_i2c_cmd(i2c, addr, 1)) { - memcpy_fromio(msg[1].buf, - dev->regs + I2C_TASKMEM_BASE + i2c->rbuf, - msg[1].len); - return num; - } - } - - if (num == 1 && !(msg[0].flags & I2C_M_RD)) { - ddbcpyto(I2C_TASKMEM_BASE + i2c->wbuf, msg[0].buf, msg[0].len); - ddbwritel(msg[0].len, i2c->regs + I2C_TASKLENGTH); - if (!ddb_i2c_cmd(i2c, addr, 2)) - return num; - } - if (num == 1 && (msg[0].flags & I2C_M_RD)) { - ddbwritel(msg[0].len << 16, i2c->regs + I2C_TASKLENGTH); - if (!ddb_i2c_cmd(i2c, addr, 3)) { - ddbcpyfrom(msg[0].buf, - I2C_TASKMEM_BASE + i2c->rbuf, msg[0].len); - return num; - } - } - return -EIO; -} - - -static u32 ddb_i2c_functionality(struct i2c_adapter *adap) -{ - return I2C_FUNC_SMBUS_EMUL; -} - -static struct i2c_algorithm ddb_i2c_algo = { - .master_xfer = ddb_i2c_master_xfer, - .functionality = ddb_i2c_functionality, -}; - -static void ddb_i2c_release(struct ddb *dev) -{ - int i; - struct ddb_i2c *i2c; - struct i2c_adapter *adap; - - for (i = 0; i < dev->info->port_num; i++) { - i2c = &dev->i2c[i]; - adap = &i2c->adap; - i2c_del_adapter(adap); - } -} - -static int ddb_i2c_init(struct ddb *dev) -{ - int i, j, stat = 0; - struct ddb_i2c *i2c; - struct i2c_adapter *adap; - - for (i = 0; i < dev->info->port_num; i++) { - i2c = &dev->i2c[i]; - i2c->dev = dev; - i2c->nr = i; - i2c->wbuf = i * (I2C_TASKMEM_SIZE / 4); - i2c->rbuf = i2c->wbuf + (I2C_TASKMEM_SIZE / 8); - i2c->regs = 0x80 + i * 0x20; - ddbwritel(I2C_SPEED_100, i2c->regs + I2C_TIMING); - ddbwritel((i2c->rbuf << 16) | i2c->wbuf, - i2c->regs + I2C_TASKADDRESS); - init_waitqueue_head(&i2c->wq); - - adap = &i2c->adap; - i2c_set_adapdata(adap, i2c); -#ifdef I2C_ADAP_CLASS_TV_DIGITAL - adap->class = I2C_ADAP_CLASS_TV_DIGITAL|I2C_CLASS_TV_ANALOG; -#else -#ifdef I2C_CLASS_TV_ANALOG - adap->class = I2C_CLASS_TV_ANALOG; -#endif -#endif - strcpy(adap->name, "ddbridge"); - adap->algo = &ddb_i2c_algo; - adap->algo_data = (void *)i2c; - adap->dev.parent = &dev->pdev->dev; - stat = i2c_add_adapter(adap); - if (stat) - break; - } - if (stat) - for (j = 0; j < i; j++) { - i2c = &dev->i2c[j]; - adap = &i2c->adap; - i2c_del_adapter(adap); - } - return stat; -} - - /******************************************************************************/ /******************************************************************************/ /******************************************************************************/ @@ -342,7 +123,7 @@ static int io_alloc(struct pci_dev *pdev, u8 **vbuf, return 0; } -static int ddb_buffers_alloc(struct ddb *dev) +int ddb_buffers_alloc(struct ddb *dev) { int i; struct ddb_port *port; @@ -382,7 +163,7 @@ static int ddb_buffers_alloc(struct ddb *dev) return 0; } -static void ddb_buffers_free(struct ddb *dev) +void ddb_buffers_free(struct ddb *dev) { int i; struct ddb_port *port; @@ -1662,7 +1443,7 @@ static int ddb_port_attach(struct ddb_port *port) return ret; } -static int ddb_ports_attach(struct ddb *dev) +int ddb_ports_attach(struct ddb *dev) { int i, ret = 0; struct ddb_port *port; @@ -1676,7 +1457,7 @@ static int ddb_ports_attach(struct ddb *dev) return ret; } -static void ddb_ports_detach(struct ddb *dev) +void ddb_ports_detach(struct ddb *dev) { int i; struct ddb_port *port; @@ -1787,7 +1568,7 @@ static void ddb_output_init(struct ddb_port *port, int nr) init_waitqueue_head(&output->wq); } -static void ddb_ports_init(struct ddb *dev) +void ddb_ports_init(struct ddb *dev) { int i; struct ddb_port *port; @@ -1809,7 +1590,7 @@ static void ddb_ports_init(struct ddb *dev) } } -static void ddb_ports_release(struct ddb *dev) +void ddb_ports_release(struct ddb *dev) { int i; struct ddb_port *port; @@ -1835,7 +1616,7 @@ static void irq_handle_i2c(struct ddb *dev, int n) wake_up(&i2c->wq); } -static irqreturn_t irq_handler(int irq, void *dev_id) +irqreturn_t irq_handler(int irq, void *dev_id) { struct ddb *dev = (struct ddb *) dev_id; u32 s = ddbreadl(INTERRUPT_STATUS); @@ -2038,7 +1819,7 @@ static char *ddb_devnode(struct device *device, umode_t *mode) return kasprintf(GFP_KERNEL, "ddbridge/card%d", dev->nr); } -static int ddb_class_create(void) +int ddb_class_create(void) { ddb_major = register_chrdev(0, DDB_NAME, &ddb_fops); if (ddb_major < 0) @@ -2053,13 +1834,13 @@ static int ddb_class_create(void) return 0; } -static void ddb_class_destroy(void) +void ddb_class_destroy(void) { class_destroy(ddb_class); unregister_chrdev(ddb_major, DDB_NAME); } -static int ddb_device_create(struct ddb *dev) +int ddb_device_create(struct ddb *dev) { dev->nr = ddb_num++; dev->ddb_dev = device_create(ddb_class, NULL, @@ -2071,355 +1852,10 @@ static int ddb_device_create(struct ddb *dev) return 0; } -static void ddb_device_destroy(struct ddb *dev) +void ddb_device_destroy(struct ddb *dev) { ddb_num--; if (IS_ERR(dev->ddb_dev)) return; device_destroy(ddb_class, MKDEV(ddb_major, 0)); } - -/****************************************************************************/ -/****************************************************************************/ -/****************************************************************************/ - -static void ddb_unmap(struct ddb *dev) -{ - if (dev->regs) - iounmap(dev->regs); - vfree(dev); -} - - -static void ddb_remove(struct pci_dev *pdev) -{ - struct ddb *dev = pci_get_drvdata(pdev); - - ddb_ports_detach(dev); - ddb_i2c_release(dev); - - ddbwritel(0, INTERRUPT_ENABLE); - free_irq(dev->pdev->irq, dev); -#ifdef CONFIG_PCI_MSI - if (dev->msi) - pci_disable_msi(dev->pdev); -#endif - ddb_ports_release(dev); - ddb_buffers_free(dev); - ddb_device_destroy(dev); - - ddb_unmap(dev); - pci_set_drvdata(pdev, NULL); - pci_disable_device(pdev); -} - - -static int ddb_probe(struct pci_dev *pdev, const struct pci_device_id *id) -{ - struct ddb *dev; - int stat = 0; - int irq_flag = IRQF_SHARED; - - if (pci_enable_device(pdev) < 0) - return -ENODEV; - - dev = vzalloc(sizeof(struct ddb)); - if (dev == NULL) - return -ENOMEM; - - dev->pdev = pdev; - pci_set_drvdata(pdev, dev); - dev->info = (struct ddb_info *) id->driver_data; - dev_info(&pdev->dev, "Detected %s\n", dev->info->name); - - dev->regs = ioremap(pci_resource_start(dev->pdev, 0), - pci_resource_len(dev->pdev, 0)); - if (!dev->regs) { - stat = -ENOMEM; - goto fail; - } - dev_info(&pdev->dev, "HW %08x FW %08x\n", ddbreadl(0), ddbreadl(4)); - -#ifdef CONFIG_PCI_MSI - if (pci_msi_enabled()) - stat = pci_enable_msi(dev->pdev); - if (stat) { - dev_info(&pdev->dev, "MSI not available.\n"); - } else { - irq_flag = 0; - dev->msi = 1; - } -#endif - stat = request_irq(dev->pdev->irq, irq_handler, - irq_flag, "DDBridge", (void *) dev); - if (stat < 0) - goto fail1; - ddbwritel(0, DMA_BASE_WRITE); - ddbwritel(0, DMA_BASE_READ); - ddbwritel(0xffffffff, INTERRUPT_ACK); - ddbwritel(0xfff0f, INTERRUPT_ENABLE); - ddbwritel(0, MSI1_ENABLE); - - /* board control */ - if (dev->info->board_control) { - ddbwritel(0, DDB_LINK_TAG(0) | BOARD_CONTROL); - msleep(100); - ddbwritel(dev->info->board_control_2, - DDB_LINK_TAG(0) | BOARD_CONTROL); - usleep_range(2000, 3000); - ddbwritel(dev->info->board_control_2 - | dev->info->board_control, - DDB_LINK_TAG(0) | BOARD_CONTROL); - usleep_range(2000, 3000); - } - - if (ddb_i2c_init(dev) < 0) - goto fail1; - ddb_ports_init(dev); - if (ddb_buffers_alloc(dev) < 0) { - dev_err(&pdev->dev, "Could not allocate buffer memory\n"); - goto fail2; - } - if (ddb_ports_attach(dev) < 0) - goto fail3; - ddb_device_create(dev); - return 0; - -fail3: - ddb_ports_detach(dev); - dev_err(&pdev->dev, "fail3\n"); - ddb_ports_release(dev); -fail2: - dev_err(&pdev->dev, "fail2\n"); - ddb_buffers_free(dev); -fail1: - dev_err(&pdev->dev, "fail1\n"); - if (dev->msi) - pci_disable_msi(dev->pdev); - if (stat == 0) - free_irq(dev->pdev->irq, dev); -fail: - dev_err(&pdev->dev, "fail\n"); - ddb_unmap(dev); - pci_set_drvdata(pdev, NULL); - pci_disable_device(pdev); - return -1; -} - -/******************************************************************************/ -/******************************************************************************/ -/******************************************************************************/ - -static const struct ddb_info ddb_none = { - .type = DDB_NONE, - .name = "Digital Devices PCIe bridge", -}; - -static const struct ddb_info ddb_octopus = { - .type = DDB_OCTOPUS, - .name = "Digital Devices Octopus DVB adapter", - .port_num = 4, -}; - -static const struct ddb_info ddb_octopus_le = { - .type = DDB_OCTOPUS, - .name = "Digital Devices Octopus LE DVB adapter", - .port_num = 2, -}; - -static const struct ddb_info ddb_octopus_oem = { - .type = DDB_OCTOPUS, - .name = "Digital Devices Octopus OEM", - .port_num = 4, -}; - -static const struct ddb_info ddb_octopus_mini = { - .type = DDB_OCTOPUS, - .name = "Digital Devices Octopus Mini", - .port_num = 4, -}; - -static const struct ddb_info ddb_v6 = { - .type = DDB_OCTOPUS, - .name = "Digital Devices Cine S2 V6 DVB adapter", - .port_num = 3, -}; -static const struct ddb_info ddb_v6_5 = { - .type = DDB_OCTOPUS, - .name = "Digital Devices Cine S2 V6.5 DVB adapter", - .port_num = 4, -}; - -static const struct ddb_info ddb_v7 = { - .type = DDB_OCTOPUS, - .name = "Digital Devices Cine S2 V7 DVB adapter", - .port_num = 4, - .board_control = 2, - .board_control_2 = 4, - .ts_quirks = TS_QUIRK_REVERSED, -}; - -static const struct ddb_info ddb_v7a = { - .type = DDB_OCTOPUS, - .name = "Digital Devices Cine S2 V7 Advanced DVB adapter", - .port_num = 4, - .board_control = 2, - .board_control_2 = 4, - .ts_quirks = TS_QUIRK_REVERSED, -}; - -static const struct ddb_info ddb_dvbct = { - .type = DDB_OCTOPUS, - .name = "Digital Devices DVBCT V6.1 DVB adapter", - .port_num = 3, -}; - -static const struct ddb_info ddb_ctv7 = { - .type = DDB_OCTOPUS, - .name = "Digital Devices Cine CT V7 DVB adapter", - .port_num = 4, - .board_control = 3, - .board_control_2 = 4, -}; - -static const struct ddb_info ddb_satixS2v3 = { - .type = DDB_OCTOPUS, - .name = "Mystique SaTiX-S2 V3 DVB adapter", - .port_num = 3, -}; - -static const struct ddb_info ddb_octopusv3 = { - .type = DDB_OCTOPUS, - .name = "Digital Devices Octopus V3 DVB adapter", - .port_num = 4, -}; - -/*** MaxA8 adapters ***********************************************************/ - -static struct ddb_info ddb_ct2_8 = { - .type = DDB_OCTOPUS_MAX_CT, - .name = "Digital Devices MAX A8 CT2", - .port_num = 4, - .board_control = 0x0ff, - .board_control_2 = 0xf00, - .ts_quirks = TS_QUIRK_SERIAL, -}; - -static struct ddb_info ddb_c2t2_8 = { - .type = DDB_OCTOPUS_MAX_CT, - .name = "Digital Devices MAX A8 C2T2", - .port_num = 4, - .board_control = 0x0ff, - .board_control_2 = 0xf00, - .ts_quirks = TS_QUIRK_SERIAL, -}; - -static struct ddb_info ddb_isdbt_8 = { - .type = DDB_OCTOPUS_MAX_CT, - .name = "Digital Devices MAX A8 ISDBT", - .port_num = 4, - .board_control = 0x0ff, - .board_control_2 = 0xf00, - .ts_quirks = TS_QUIRK_SERIAL, -}; - -static struct ddb_info ddb_c2t2i_v0_8 = { - .type = DDB_OCTOPUS_MAX_CT, - .name = "Digital Devices MAX A8 C2T2I V0", - .port_num = 4, - .board_control = 0x0ff, - .board_control_2 = 0xf00, - .ts_quirks = TS_QUIRK_SERIAL | TS_QUIRK_ALT_OSC, -}; - -static struct ddb_info ddb_c2t2i_8 = { - .type = DDB_OCTOPUS_MAX_CT, - .name = "Digital Devices MAX A8 C2T2I", - .port_num = 4, - .board_control = 0x0ff, - .board_control_2 = 0xf00, - .ts_quirks = TS_QUIRK_SERIAL, -}; - -/******************************************************************************/ - -#define DDVID 0xdd01 /* Digital Devices Vendor ID */ - -#define DDB_ID(_vend, _dev, _subvend, _subdev, _driverdata) { \ - .vendor = _vend, .device = _dev, \ - .subvendor = _subvend, .subdevice = _subdev, \ - .driver_data = (unsigned long)&_driverdata } - -static const struct pci_device_id ddb_id_tbl[] = { - DDB_ID(DDVID, 0x0002, DDVID, 0x0001, ddb_octopus), - DDB_ID(DDVID, 0x0003, DDVID, 0x0001, ddb_octopus), - DDB_ID(DDVID, 0x0005, DDVID, 0x0004, ddb_octopusv3), - DDB_ID(DDVID, 0x0003, DDVID, 0x0002, ddb_octopus_le), - DDB_ID(DDVID, 0x0003, DDVID, 0x0003, ddb_octopus_oem), - DDB_ID(DDVID, 0x0003, DDVID, 0x0010, ddb_octopus_mini), - DDB_ID(DDVID, 0x0005, DDVID, 0x0011, ddb_octopus_mini), - DDB_ID(DDVID, 0x0003, DDVID, 0x0020, ddb_v6), - DDB_ID(DDVID, 0x0003, DDVID, 0x0021, ddb_v6_5), - DDB_ID(DDVID, 0x0006, DDVID, 0x0022, ddb_v7), - DDB_ID(DDVID, 0x0006, DDVID, 0x0024, ddb_v7a), - DDB_ID(DDVID, 0x0003, DDVID, 0x0030, ddb_dvbct), - DDB_ID(DDVID, 0x0003, DDVID, 0xdb03, ddb_satixS2v3), - DDB_ID(DDVID, 0x0006, DDVID, 0x0031, ddb_ctv7), - DDB_ID(DDVID, 0x0006, DDVID, 0x0032, ddb_ctv7), - DDB_ID(DDVID, 0x0006, DDVID, 0x0033, ddb_ctv7), - DDB_ID(DDVID, 0x0008, DDVID, 0x0034, ddb_ct2_8), - DDB_ID(DDVID, 0x0008, DDVID, 0x0035, ddb_c2t2_8), - DDB_ID(DDVID, 0x0008, DDVID, 0x0036, ddb_isdbt_8), - DDB_ID(DDVID, 0x0008, DDVID, 0x0037, ddb_c2t2i_v0_8), - DDB_ID(DDVID, 0x0008, DDVID, 0x0038, ddb_c2t2i_8), - DDB_ID(DDVID, 0x0006, DDVID, 0x0039, ddb_ctv7), - /* in case sub-ids got deleted in flash */ - DDB_ID(DDVID, 0x0003, PCI_ANY_ID, PCI_ANY_ID, ddb_none), - DDB_ID(DDVID, 0x0005, PCI_ANY_ID, PCI_ANY_ID, ddb_none), - DDB_ID(DDVID, 0x0006, PCI_ANY_ID, PCI_ANY_ID, ddb_none), - DDB_ID(DDVID, 0x0007, PCI_ANY_ID, PCI_ANY_ID, ddb_none), - DDB_ID(DDVID, 0x0008, PCI_ANY_ID, PCI_ANY_ID, ddb_none), - DDB_ID(DDVID, 0x0011, PCI_ANY_ID, PCI_ANY_ID, ddb_none), - DDB_ID(DDVID, 0x0013, PCI_ANY_ID, PCI_ANY_ID, ddb_none), - DDB_ID(DDVID, 0x0201, PCI_ANY_ID, PCI_ANY_ID, ddb_none), - DDB_ID(DDVID, 0x0320, PCI_ANY_ID, PCI_ANY_ID, ddb_none), - {0} -}; -MODULE_DEVICE_TABLE(pci, ddb_id_tbl); - - -static struct pci_driver ddb_pci_driver = { - .name = "DDBridge", - .id_table = ddb_id_tbl, - .probe = ddb_probe, - .remove = ddb_remove, -}; - -static __init int module_init_ddbridge(void) -{ - int ret; - - pr_info("Digital Devices PCIE bridge driver, Copyright (C) 2010-11 Digital Devices GmbH\n"); - - ret = ddb_class_create(); - if (ret < 0) - return ret; - ret = pci_register_driver(&ddb_pci_driver); - if (ret < 0) - ddb_class_destroy(); - return ret; -} - -static __exit void module_exit_ddbridge(void) -{ - pci_unregister_driver(&ddb_pci_driver); - ddb_class_destroy(); -} - -module_init(module_init_ddbridge); -module_exit(module_exit_ddbridge); - -MODULE_DESCRIPTION("Digital Devices PCIe Bridge"); -MODULE_AUTHOR("Ralph Metzler"); -MODULE_LICENSE("GPL"); -MODULE_VERSION("0.5"); diff --git a/drivers/media/pci/ddbridge/ddbridge-i2c.c b/drivers/media/pci/ddbridge/ddbridge-i2c.c new file mode 100644 index 000000000000..ea3565efdd3b --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-i2c.c @@ -0,0 +1,231 @@ +/* + * ddbridge.c: Digital Devices PCIe bridge driver + * + * Copyright (C) 2010-2011 Digital Devices GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 only, as published by the Free Software Foundation. + * + * + * 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. + * + * To obtain the license, point your browser to + * http://www.gnu.org/copyleft/gpl.html + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/poll.h> +#include <linux/io.h> +#include <linux/pci.h> +#include <linux/pci_ids.h> +#include <linux/timer.h> +#include <linux/i2c.h> +#include <linux/swab.h> +#include <linux/vmalloc.h> + +#include "ddbridge.h" +#include "ddbridge-regs.h" + +/******************************************************************************/ + +int i2c_io(struct i2c_adapter *adapter, u8 adr, + u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen) +{ + struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0, + .buf = wbuf, .len = wlen }, + {.addr = adr, .flags = I2C_M_RD, + .buf = rbuf, .len = rlen } }; + return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1; +} + +static int i2c_write(struct i2c_adapter *adap, u8 adr, u8 *data, int len) +{ + struct i2c_msg msg = {.addr = adr, .flags = 0, + .buf = data, .len = len}; + + return (i2c_transfer(adap, &msg, 1) == 1) ? 0 : -1; +} + +int i2c_read(struct i2c_adapter *adapter, u8 adr, u8 *val) +{ + struct i2c_msg msgs[1] = {{.addr = adr, .flags = I2C_M_RD, + .buf = val, .len = 1 } }; + return (i2c_transfer(adapter, msgs, 1) == 1) ? 0 : -1; +} + +int i2c_read_regs(struct i2c_adapter *adapter, + u8 adr, u8 reg, u8 *val, u8 len) +{ + struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0, + .buf = &reg, .len = 1 }, + {.addr = adr, .flags = I2C_M_RD, + .buf = val, .len = len } }; + return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1; +} + +int i2c_read_reg(struct i2c_adapter *adapter, u8 adr, u8 reg, u8 *val) +{ + return i2c_read_regs(adapter, adr, reg, val, 1); +} + +int i2c_read_reg16(struct i2c_adapter *adapter, u8 adr, + u16 reg, u8 *val) +{ + u8 msg[2] = {reg>>8, reg&0xff}; + struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0, + .buf = msg, .len = 2}, + {.addr = adr, .flags = I2C_M_RD, + .buf = val, .len = 1} }; + return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1; +} + +int i2c_write_reg(struct i2c_adapter *adap, u8 adr, + u8 reg, u8 val) +{ + u8 msg[2] = {reg, val}; + + return i2c_write(adap, adr, msg, 2); +} + +static int ddb_i2c_cmd(struct ddb_i2c *i2c, u32 adr, u32 cmd) +{ + struct ddb *dev = i2c->dev; + long stat; + u32 val; + + i2c->done = 0; + ddbwritel((adr << 9) | cmd, i2c->regs + I2C_COMMAND); + stat = wait_event_timeout(i2c->wq, i2c->done == 1, HZ); + if (stat == 0) { + dev_err(&dev->pdev->dev, "I2C timeout\n"); + { /* MSI debugging*/ + u32 istat = ddbreadl(INTERRUPT_STATUS); + dev_err(&dev->pdev->dev, "IRS %08x\n", istat); + ddbwritel(istat, INTERRUPT_ACK); + } + return -EIO; + } + val = ddbreadl(i2c->regs+I2C_COMMAND); + if (val & 0x70000) + return -EIO; + return 0; +} + +static int ddb_i2c_master_xfer(struct i2c_adapter *adapter, + struct i2c_msg msg[], int num) +{ + struct ddb_i2c *i2c = (struct ddb_i2c *)i2c_get_adapdata(adapter); + struct ddb *dev = i2c->dev; + u8 addr = 0; + + if (num) + addr = msg[0].addr; + + if (num == 2 && msg[1].flags & I2C_M_RD && + !(msg[0].flags & I2C_M_RD)) { + memcpy_toio(dev->regs + I2C_TASKMEM_BASE + i2c->wbuf, + msg[0].buf, msg[0].len); + ddbwritel(msg[0].len|(msg[1].len << 16), + i2c->regs+I2C_TASKLENGTH); + if (!ddb_i2c_cmd(i2c, addr, 1)) { + memcpy_fromio(msg[1].buf, + dev->regs + I2C_TASKMEM_BASE + i2c->rbuf, + msg[1].len); + return num; + } + } + + if (num == 1 && !(msg[0].flags & I2C_M_RD)) { + ddbcpyto(I2C_TASKMEM_BASE + i2c->wbuf, msg[0].buf, msg[0].len); + ddbwritel(msg[0].len, i2c->regs + I2C_TASKLENGTH); + if (!ddb_i2c_cmd(i2c, addr, 2)) + return num; + } + if (num == 1 && (msg[0].flags & I2C_M_RD)) { + ddbwritel(msg[0].len << 16, i2c->regs + I2C_TASKLENGTH); + if (!ddb_i2c_cmd(i2c, addr, 3)) { + ddbcpyfrom(msg[0].buf, + I2C_TASKMEM_BASE + i2c->rbuf, msg[0].len); + return num; + } + } + return -EIO; +} + + +static u32 ddb_i2c_functionality(struct i2c_adapter *adap) +{ + return I2C_FUNC_SMBUS_EMUL; +} + +static struct i2c_algorithm ddb_i2c_algo = { + .master_xfer = ddb_i2c_master_xfer, + .functionality = ddb_i2c_functionality, +}; + +void ddb_i2c_release(struct ddb *dev) +{ + int i; + struct ddb_i2c *i2c; + struct i2c_adapter *adap; + + for (i = 0; i < dev->info->port_num; i++) { + i2c = &dev->i2c[i]; + adap = &i2c->adap; + i2c_del_adapter(adap); + } +} + +int ddb_i2c_init(struct ddb *dev) +{ + int i, j, stat = 0; + struct ddb_i2c *i2c; + struct i2c_adapter *adap; + + for (i = 0; i < dev->info->port_num; i++) { + i2c = &dev->i2c[i]; + i2c->dev = dev; + i2c->nr = i; + i2c->wbuf = i * (I2C_TASKMEM_SIZE / 4); + i2c->rbuf = i2c->wbuf + (I2C_TASKMEM_SIZE / 8); + i2c->regs = 0x80 + i * 0x20; + ddbwritel(I2C_SPEED_100, i2c->regs + I2C_TIMING); + ddbwritel((i2c->rbuf << 16) | i2c->wbuf, + i2c->regs + I2C_TASKADDRESS); + init_waitqueue_head(&i2c->wq); + + adap = &i2c->adap; + i2c_set_adapdata(adap, i2c); +#ifdef I2C_ADAP_CLASS_TV_DIGITAL + adap->class = I2C_ADAP_CLASS_TV_DIGITAL|I2C_CLASS_TV_ANALOG; +#else +#ifdef I2C_CLASS_TV_ANALOG + adap->class = I2C_CLASS_TV_ANALOG; +#endif +#endif + strcpy(adap->name, "ddbridge"); + adap->algo = &ddb_i2c_algo; + adap->algo_data = (void *)i2c; + adap->dev.parent = &dev->pdev->dev; + stat = i2c_add_adapter(adap); + if (stat) + break; + } + if (stat) + for (j = 0; j < i; j++) { + i2c = &dev->i2c[j]; + adap = &i2c->adap; + i2c_del_adapter(adap); + } + return stat; +} diff --git a/drivers/media/pci/ddbridge/ddbridge-main.c b/drivers/media/pci/ddbridge/ddbridge-main.c new file mode 100644 index 000000000000..917fd116d92f --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-main.c @@ -0,0 +1,388 @@ +/* + * ddbridge.c: Digital Devices PCIe bridge driver + * + * Copyright (C) 2010-2011 Digital Devices GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 only, as published by the Free Software Foundation. + * + * + * 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. + * + * To obtain the license, point your browser to + * http://www.gnu.org/copyleft/gpl.html + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/poll.h> +#include <linux/io.h> +#include <linux/pci.h> +#include <linux/pci_ids.h> +#include <linux/timer.h> +#include <linux/i2c.h> +#include <linux/swab.h> +#include <linux/vmalloc.h> + +#include "ddbridge.h" +#include "ddbridge-regs.h" + +int xo2_speed = 2; +module_param(xo2_speed, int, 0444); +MODULE_PARM_DESC(xo2_speed, "default transfer speed for xo2 based duoflex, 0=55,1=75,2=90,3=104 MBit/s, default=2, use attribute to change for individual cards"); + +int stv0910_single; +module_param(stv0910_single, int, 0444); +MODULE_PARM_DESC(stv0910_single, "use stv0910 cards as single demods"); + +/******************************************************************************/ + +static void ddb_unmap(struct ddb *dev) +{ + if (dev->regs) + iounmap(dev->regs); + vfree(dev); +} + + +static void ddb_remove(struct pci_dev *pdev) +{ + struct ddb *dev = pci_get_drvdata(pdev); + + ddb_ports_detach(dev); + ddb_i2c_release(dev); + + ddbwritel(0, INTERRUPT_ENABLE); + free_irq(dev->pdev->irq, dev); +#ifdef CONFIG_PCI_MSI + if (dev->msi) + pci_disable_msi(dev->pdev); +#endif + ddb_ports_release(dev); + ddb_buffers_free(dev); + ddb_device_destroy(dev); + + ddb_unmap(dev); + pci_set_drvdata(pdev, NULL); + pci_disable_device(pdev); +} + + +static int ddb_probe(struct pci_dev *pdev, const struct pci_device_id *id) +{ + struct ddb *dev; + int stat = 0; + int irq_flag = IRQF_SHARED; + + if (pci_enable_device(pdev) < 0) + return -ENODEV; + + dev = vzalloc(sizeof(struct ddb)); + if (dev == NULL) + return -ENOMEM; + + dev->pdev = pdev; + pci_set_drvdata(pdev, dev); + dev->info = (struct ddb_info *) id->driver_data; + dev_info(&pdev->dev, "Detected %s\n", dev->info->name); + + dev->regs = ioremap(pci_resource_start(dev->pdev, 0), + pci_resource_len(dev->pdev, 0)); + if (!dev->regs) { + stat = -ENOMEM; + goto fail; + } + dev_info(&pdev->dev, "HW %08x FW %08x\n", ddbreadl(0), ddbreadl(4)); + +#ifdef CONFIG_PCI_MSI + if (pci_msi_enabled()) + stat = pci_enable_msi(dev->pdev); + if (stat) { + dev_info(&pdev->dev, "MSI not available.\n"); + } else { + irq_flag = 0; + dev->msi = 1; + } +#endif + stat = request_irq(dev->pdev->irq, irq_handler, + irq_flag, "DDBridge", (void *) dev); + if (stat < 0) + goto fail1; + ddbwritel(0, DMA_BASE_WRITE); + ddbwritel(0, DMA_BASE_READ); + ddbwritel(0xffffffff, INTERRUPT_ACK); + ddbwritel(0xfff0f, INTERRUPT_ENABLE); + ddbwritel(0, MSI1_ENABLE); + + /* board control */ + if (dev->info->board_control) { + ddbwritel(0, DDB_LINK_TAG(0) | BOARD_CONTROL); + msleep(100); + ddbwritel(dev->info->board_control_2, + DDB_LINK_TAG(0) | BOARD_CONTROL); + usleep_range(2000, 3000); + ddbwritel(dev->info->board_control_2 + | dev->info->board_control, + DDB_LINK_TAG(0) | BOARD_CONTROL); + usleep_range(2000, 3000); + } + + if (ddb_i2c_init(dev) < 0) + goto fail1; + ddb_ports_init(dev); + if (ddb_buffers_alloc(dev) < 0) { + dev_err(&pdev->dev, "Could not allocate buffer memory\n"); + goto fail2; + } + if (ddb_ports_attach(dev) < 0) + goto fail3; + ddb_device_create(dev); + return 0; + +fail3: + ddb_ports_detach(dev); + dev_err(&pdev->dev, "fail3\n"); + ddb_ports_release(dev); +fail2: + dev_err(&pdev->dev, "fail2\n"); + ddb_buffers_free(dev); +fail1: + dev_err(&pdev->dev, "fail1\n"); + if (dev->msi) + pci_disable_msi(dev->pdev); + if (stat == 0) + free_irq(dev->pdev->irq, dev); +fail: + dev_err(&pdev->dev, "fail\n"); + ddb_unmap(dev); + pci_set_drvdata(pdev, NULL); + pci_disable_device(pdev); + return -1; +} + +/******************************************************************************/ +/******************************************************************************/ +/******************************************************************************/ + +static const struct ddb_info ddb_none = { + .type = DDB_NONE, + .name = "Digital Devices PCIe bridge", +}; + +static const struct ddb_info ddb_octopus = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Octopus DVB adapter", + .port_num = 4, +}; + +static const struct ddb_info ddb_octopus_le = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Octopus LE DVB adapter", + .port_num = 2, +}; + +static const struct ddb_info ddb_octopus_oem = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Octopus OEM", + .port_num = 4, +}; + +static const struct ddb_info ddb_octopus_mini = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Octopus Mini", + .port_num = 4, +}; + +static const struct ddb_info ddb_v6 = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Cine S2 V6 DVB adapter", + .port_num = 3, +}; +static const struct ddb_info ddb_v6_5 = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Cine S2 V6.5 DVB adapter", + .port_num = 4, +}; + +static const struct ddb_info ddb_v7 = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Cine S2 V7 DVB adapter", + .port_num = 4, + .board_control = 2, + .board_control_2 = 4, + .ts_quirks = TS_QUIRK_REVERSED, +}; + +static const struct ddb_info ddb_v7a = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Cine S2 V7 Advanced DVB adapter", + .port_num = 4, + .board_control = 2, + .board_control_2 = 4, + .ts_quirks = TS_QUIRK_REVERSED, +}; + +static const struct ddb_info ddb_dvbct = { + .type = DDB_OCTOPUS, + .name = "Digital Devices DVBCT V6.1 DVB adapter", + .port_num = 3, +}; + +static const struct ddb_info ddb_ctv7 = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Cine CT V7 DVB adapter", + .port_num = 4, + .board_control = 3, + .board_control_2 = 4, +}; + +static const struct ddb_info ddb_satixS2v3 = { + .type = DDB_OCTOPUS, + .name = "Mystique SaTiX-S2 V3 DVB adapter", + .port_num = 3, +}; + +static const struct ddb_info ddb_octopusv3 = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Octopus V3 DVB adapter", + .port_num = 4, +}; + +/*** MaxA8 adapters ***********************************************************/ + +static struct ddb_info ddb_ct2_8 = { + .type = DDB_OCTOPUS_MAX_CT, + .name = "Digital Devices MAX A8 CT2", + .port_num = 4, + .board_control = 0x0ff, + .board_control_2 = 0xf00, + .ts_quirks = TS_QUIRK_SERIAL, +}; + +static struct ddb_info ddb_c2t2_8 = { + .type = DDB_OCTOPUS_MAX_CT, + .name = "Digital Devices MAX A8 C2T2", + .port_num = 4, + .board_control = 0x0ff, + .board_control_2 = 0xf00, + .ts_quirks = TS_QUIRK_SERIAL, +}; + +static struct ddb_info ddb_isdbt_8 = { + .type = DDB_OCTOPUS_MAX_CT, + .name = "Digital Devices MAX A8 ISDBT", + .port_num = 4, + .board_control = 0x0ff, + .board_control_2 = 0xf00, + .ts_quirks = TS_QUIRK_SERIAL, +}; + +static struct ddb_info ddb_c2t2i_v0_8 = { + .type = DDB_OCTOPUS_MAX_CT, + .name = "Digital Devices MAX A8 C2T2I V0", + .port_num = 4, + .board_control = 0x0ff, + .board_control_2 = 0xf00, + .ts_quirks = TS_QUIRK_SERIAL | TS_QUIRK_ALT_OSC, +}; + +static struct ddb_info ddb_c2t2i_8 = { + .type = DDB_OCTOPUS_MAX_CT, + .name = "Digital Devices MAX A8 C2T2I", + .port_num = 4, + .board_control = 0x0ff, + .board_control_2 = 0xf00, + .ts_quirks = TS_QUIRK_SERIAL, +}; + +/******************************************************************************/ + +#define DDVID 0xdd01 /* Digital Devices Vendor ID */ + +#define DDB_ID(_vend, _dev, _subvend, _subdev, _driverdata) { \ + .vendor = _vend, .device = _dev, \ + .subvendor = _subvend, .subdevice = _subdev, \ + .driver_data = (unsigned long)&_driverdata } + +static const struct pci_device_id ddb_id_tbl[] = { + DDB_ID(DDVID, 0x0002, DDVID, 0x0001, ddb_octopus), + DDB_ID(DDVID, 0x0003, DDVID, 0x0001, ddb_octopus), + DDB_ID(DDVID, 0x0005, DDVID, 0x0004, ddb_octopusv3), + DDB_ID(DDVID, 0x0003, DDVID, 0x0002, ddb_octopus_le), + DDB_ID(DDVID, 0x0003, DDVID, 0x0003, ddb_octopus_oem), + DDB_ID(DDVID, 0x0003, DDVID, 0x0010, ddb_octopus_mini), + DDB_ID(DDVID, 0x0005, DDVID, 0x0011, ddb_octopus_mini), + DDB_ID(DDVID, 0x0003, DDVID, 0x0020, ddb_v6), + DDB_ID(DDVID, 0x0003, DDVID, 0x0021, ddb_v6_5), + DDB_ID(DDVID, 0x0006, DDVID, 0x0022, ddb_v7), + DDB_ID(DDVID, 0x0006, DDVID, 0x0024, ddb_v7a), + DDB_ID(DDVID, 0x0003, DDVID, 0x0030, ddb_dvbct), + DDB_ID(DDVID, 0x0003, DDVID, 0xdb03, ddb_satixS2v3), + DDB_ID(DDVID, 0x0006, DDVID, 0x0031, ddb_ctv7), + DDB_ID(DDVID, 0x0006, DDVID, 0x0032, ddb_ctv7), + DDB_ID(DDVID, 0x0006, DDVID, 0x0033, ddb_ctv7), + DDB_ID(DDVID, 0x0008, DDVID, 0x0034, ddb_ct2_8), + DDB_ID(DDVID, 0x0008, DDVID, 0x0035, ddb_c2t2_8), + DDB_ID(DDVID, 0x0008, DDVID, 0x0036, ddb_isdbt_8), + DDB_ID(DDVID, 0x0008, DDVID, 0x0037, ddb_c2t2i_v0_8), + DDB_ID(DDVID, 0x0008, DDVID, 0x0038, ddb_c2t2i_8), + DDB_ID(DDVID, 0x0006, DDVID, 0x0039, ddb_ctv7), + /* in case sub-ids got deleted in flash */ + DDB_ID(DDVID, 0x0003, PCI_ANY_ID, PCI_ANY_ID, ddb_none), + DDB_ID(DDVID, 0x0005, PCI_ANY_ID, PCI_ANY_ID, ddb_none), + DDB_ID(DDVID, 0x0006, PCI_ANY_ID, PCI_ANY_ID, ddb_none), + DDB_ID(DDVID, 0x0007, PCI_ANY_ID, PCI_ANY_ID, ddb_none), + DDB_ID(DDVID, 0x0008, PCI_ANY_ID, PCI_ANY_ID, ddb_none), + DDB_ID(DDVID, 0x0011, PCI_ANY_ID, PCI_ANY_ID, ddb_none), + DDB_ID(DDVID, 0x0013, PCI_ANY_ID, PCI_ANY_ID, ddb_none), + DDB_ID(DDVID, 0x0201, PCI_ANY_ID, PCI_ANY_ID, ddb_none), + DDB_ID(DDVID, 0x0320, PCI_ANY_ID, PCI_ANY_ID, ddb_none), + {0} +}; +MODULE_DEVICE_TABLE(pci, ddb_id_tbl); + + +static struct pci_driver ddb_pci_driver = { + .name = "DDBridge", + .id_table = ddb_id_tbl, + .probe = ddb_probe, + .remove = ddb_remove, +}; + +static __init int module_init_ddbridge(void) +{ + int ret; + + pr_info("Digital Devices PCIE bridge driver, Copyright (C) 2010-11 Digital Devices GmbH\n"); + + ret = ddb_class_create(); + if (ret < 0) + return ret; + ret = pci_register_driver(&ddb_pci_driver); + if (ret < 0) + ddb_class_destroy(); + return ret; +} + +static __exit void module_exit_ddbridge(void) +{ + pci_unregister_driver(&ddb_pci_driver); + ddb_class_destroy(); +} + +module_init(module_init_ddbridge); +module_exit(module_exit_ddbridge); + +MODULE_DESCRIPTION("Digital Devices PCIe Bridge"); +MODULE_AUTHOR("Ralph Metzler"); +MODULE_LICENSE("GPL"); +MODULE_VERSION("0.5"); diff --git a/drivers/media/pci/ddbridge/ddbridge.h b/drivers/media/pci/ddbridge/ddbridge.h index 4783a17175a8..810a4da1c10e 100644 --- a/drivers/media/pci/ddbridge/ddbridge.h +++ b/drivers/media/pci/ddbridge/ddbridge.h @@ -39,6 +39,9 @@ #include "dvb_net.h" #include "cxd2099.h" +/* MSI had problems with lost interrupts, fixed but needs testing */ +#undef CONFIG_PCI_MSI + #define DDB_MAX_I2C 4 #define DDB_MAX_PORT 4 #define DDB_MAX_INPUT 8 @@ -205,4 +208,50 @@ struct ddb { /****************************************************************************/ +static inline u32 safe_ddbreadl(struct ddb *dev, u32 adr) +{ + u32 val = ddbreadl(adr); + + /* (ddb)readl returns (uint)-1 (all bits set) on failure, catch that */ + if (val == ~0) { + dev_err(&dev->pdev->dev, "ddbreadl failure, adr=%08x\n", adr); + return 0; + } + + return val; +} + +/****************************************************************************/ + +/* ddbridge-main.c (modparams) */ +extern int xo2_speed; +extern int stv0910_single; + +/* ddbridge-core.c */ +void ddb_ports_detach(struct ddb *dev); +void ddb_ports_release(struct ddb *dev); +void ddb_buffers_free(struct ddb *dev); +void ddb_device_destroy(struct ddb *dev); +irqreturn_t irq_handler(int irq, void *dev_id); +void ddb_ports_init(struct ddb *dev); +int ddb_buffers_alloc(struct ddb *dev); +int ddb_ports_attach(struct ddb *dev); +int ddb_device_create(struct ddb *dev); +int ddb_class_create(void); +void ddb_class_destroy(void); + +/* ddbridge-i2c.c */ +int i2c_io(struct i2c_adapter *adapter, u8 adr, + u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen); +int i2c_read(struct i2c_adapter *adapter, u8 adr, u8 *val); +int i2c_read_regs(struct i2c_adapter *adapter, + u8 adr, u8 reg, u8 *val, u8 len); +int i2c_read_reg(struct i2c_adapter *adapter, u8 adr, u8 reg, u8 *val); +int i2c_read_reg16(struct i2c_adapter *adapter, u8 adr, + u16 reg, u8 *val); +int i2c_write_reg(struct i2c_adapter *adap, u8 adr, + u8 reg, u8 val); +void ddb_i2c_release(struct ddb *dev); +int ddb_i2c_init(struct ddb *dev); + #endif

[02/14,media] ddbridge: split code into multiple files

Commit Message

Patch