diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-22 04:36:05 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-22 04:36:05 (GMT) |
commit | b0d81664a0092d8f6df7742b5aee6fcfd326b36c (patch) | |
tree | 990e2b21b93d0bc8b0d7170bf121f06ac60f919d /drivers/misc | |
parent | f8f5ed7c996ad9426847ce09b828d415cb19bc06 (diff) | |
parent | 6ac2afb3f4601d74778a6ef76c50813a5b85b133 (diff) | |
download | linux-b0d81664a0092d8f6df7742b5aee6fcfd326b36c.tar.xz |
Merge branch 'char-misc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
* 'char-misc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
misc: ad525x_dpot: Fix AD8400 spi transfer size.
pch_phub: Fix MAC address writing issue for LAPIS ML7831
pch_phub: Improve ADE(Address Decode Enable) control
pch_phub: Change company name OKI SEMICONDUCTOR to LAPIS Semiconductor
pch_phub: Support new device LAPIS Semiconductor ML7831 IOH
pcie-gadget-spear: Add "platform:" prefix for platform modalias
MAINTAINERS: add CHAR and MISC driver maintainers
Diffstat (limited to 'drivers/misc')
-rw-r--r-- | drivers/misc/Kconfig | 15 | ||||
-rw-r--r-- | drivers/misc/ad525x_dpot.h | 2 | ||||
-rw-r--r-- | drivers/misc/pch_phub.c | 81 | ||||
-rw-r--r-- | drivers/misc/spear13xx_pcie_gadget.c | 2 |
4 files changed, 69 insertions, 31 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index d593878..5664696 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -472,7 +472,7 @@ config BMP085 module will be called bmp085. config PCH_PHUB - tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB" + tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) PHUB" depends on PCI help This driver is for PCH(Platform controller Hub) PHUB(Packet Hub) of @@ -480,12 +480,13 @@ config PCH_PHUB processor. The Topcliff has MAC address and Option ROM data in SROM. This driver can access MAC address and Option ROM data in SROM. - This driver also can be used for OKI SEMICONDUCTOR IOH(Input/ - Output Hub), ML7213 and ML7223. - ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is - for MP(Media Phone) use. - ML7213/ML7223 is companion chip for Intel Atom E6xx series. - ML7213/ML7223 is completely compatible for Intel EG20T PCH. + This driver also can be used for LAPIS Semiconductor's IOH, + ML7213/ML7223/ML7831. + ML7213 which is for IVI(In-Vehicle Infotainment) use. + ML7223 IOH is for MP(Media Phone) use. + ML7831 IOH is for general purpose use. + ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. + ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. To compile this driver as a module, choose M here: the module will be called pch_phub. diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h index a662f59..82b2cb7 100644 --- a/drivers/misc/ad525x_dpot.h +++ b/drivers/misc/ad525x_dpot.h @@ -100,7 +100,7 @@ enum dpot_devid { AD5293_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT, BRDAC0, 10, 27), AD7376_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT, BRDAC0, 7, 28), - AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT, + AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT, BRDAC0, 8, 29), AD8402_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT, BRDAC0 | BRDAC1, 8, 30), diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c index dee33ad..10fc478 100644 --- a/drivers/misc/pch_phub.c +++ b/drivers/misc/pch_phub.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD. + * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd. * * 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 @@ -41,10 +41,10 @@ #define PCH_PHUB_ROM_START_ADDR_EG20T 0x80 /* ROM data area start address offset (Intel EG20T PCH)*/ #define PCH_PHUB_ROM_START_ADDR_ML7213 0x400 /* ROM data area start address - offset(OKI SEMICONDUCTOR ML7213) + offset(LAPIS Semicon ML7213) */ #define PCH_PHUB_ROM_START_ADDR_ML7223 0x400 /* ROM data area start address - offset(OKI SEMICONDUCTOR ML7223) + offset(LAPIS Semicon ML7223) */ /* MAX number of INT_REDUCE_CONTROL registers */ @@ -73,6 +73,9 @@ #define PCI_DEVICE_ID_ROHM_ML7223_mPHUB 0x8012 /* for Bus-m */ #define PCI_DEVICE_ID_ROHM_ML7223_nPHUB 0x8002 /* for Bus-n */ +/* Macros for ML7831 */ +#define PCI_DEVICE_ID_ROHM_ML7831_PHUB 0x8801 + /* SROM ACCESS Macro */ #define PCH_WORD_ADDR_MASK (~((1 << 2) - 1)) @@ -115,6 +118,7 @@ * @pch_mac_start_address: MAC address area start address * @pch_opt_rom_start_address: Option ROM start address * @ioh_type: Save IOH type + * @pdev: pointer to pci device struct */ struct pch_phub_reg { u32 phub_id_reg; @@ -136,6 +140,7 @@ struct pch_phub_reg { u32 pch_mac_start_address; u32 pch_opt_rom_start_address; int ioh_type; + struct pci_dev *pdev; }; /* SROM SPEC for MAC address assignment offset */ @@ -471,7 +476,7 @@ static int pch_phub_write_gbe_mac_addr(struct pch_phub_reg *chip, u8 *data) int retval; int i; - if (chip->ioh_type == 1) /* EG20T */ + if ((chip->ioh_type == 1) || (chip->ioh_type == 5)) /* EG20T or ML7831*/ retval = pch_phub_gbe_serial_rom_conf(chip); else /* ML7223 */ retval = pch_phub_gbe_serial_rom_conf_mp(chip); @@ -498,6 +503,7 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj, unsigned int orom_size; int ret; int err; + ssize_t rom_size; struct pch_phub_reg *chip = dev_get_drvdata(container_of(kobj, struct device, kobj)); @@ -509,6 +515,10 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj, } /* Get Rom signature */ + chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size); + if (!chip->pch_phub_extrom_base_address) + goto exrom_map_err; + pch_phub_read_serial_rom(chip, chip->pch_opt_rom_start_address, (unsigned char *)&rom_signature); rom_signature &= 0xff; @@ -539,10 +549,13 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj, goto return_err; } return_ok: + pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address); mutex_unlock(&pch_phub_mutex); return addr_offset; return_err: + pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address); +exrom_map_err: mutex_unlock(&pch_phub_mutex); return_err_nomutex: return err; @@ -555,6 +568,7 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj, int err; unsigned int addr_offset; int ret; + ssize_t rom_size; struct pch_phub_reg *chip = dev_get_drvdata(container_of(kobj, struct device, kobj)); @@ -571,6 +585,12 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj, goto return_ok; } + chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size); + if (!chip->pch_phub_extrom_base_address) { + err = -ENOMEM; + goto exrom_map_err; + } + for (addr_offset = 0; addr_offset < count; addr_offset++) { if (PCH_PHUB_OROM_SIZE < off + addr_offset) goto return_ok; @@ -585,10 +605,14 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj, } return_ok: + pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address); mutex_unlock(&pch_phub_mutex); return addr_offset; return_err: + pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address); + +exrom_map_err: mutex_unlock(&pch_phub_mutex); return err; } @@ -598,8 +622,14 @@ static ssize_t show_pch_mac(struct device *dev, struct device_attribute *attr, { u8 mac[8]; struct pch_phub_reg *chip = dev_get_drvdata(dev); + ssize_t rom_size; + + chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size); + if (!chip->pch_phub_extrom_base_address) + return -ENOMEM; pch_phub_read_gbe_mac_addr(chip, mac); + pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address); return sprintf(buf, "%pM\n", mac); } @@ -608,6 +638,7 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { u8 mac[6]; + ssize_t rom_size; struct pch_phub_reg *chip = dev_get_drvdata(dev); if (count != 18) @@ -617,7 +648,12 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr, (u32 *)&mac[0], (u32 *)&mac[1], (u32 *)&mac[2], (u32 *)&mac[3], (u32 *)&mac[4], (u32 *)&mac[5]); + chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size); + if (!chip->pch_phub_extrom_base_address) + return -ENOMEM; + pch_phub_write_gbe_mac_addr(chip, mac); + pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address); return count; } @@ -640,7 +676,6 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev, int retval; int ret; - ssize_t rom_size; struct pch_phub_reg *chip; chip = kzalloc(sizeof(struct pch_phub_reg), GFP_KERNEL); @@ -677,19 +712,7 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev, "in pch_phub_base_address variable is %p\n", __func__, chip->pch_phub_base_address); - if (id->driver_data != 3) { - chip->pch_phub_extrom_base_address =\ - pci_map_rom(pdev, &rom_size); - if (chip->pch_phub_extrom_base_address == 0) { - dev_err(&pdev->dev, "%s: pci_map_rom FAILED", __func__); - ret = -ENOMEM; - goto err_pci_map; - } - dev_dbg(&pdev->dev, "%s : " - "pci_map_rom SUCCESS and value in " - "pch_phub_extrom_base_address variable is %p\n", - __func__, chip->pch_phub_extrom_base_address); - } + chip->pdev = pdev; /* Save pci device struct */ if (id->driver_data == 1) { /* EG20T PCH */ const char *board_name; @@ -763,6 +786,22 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev, chip->pch_opt_rom_start_address =\ PCH_PHUB_ROM_START_ADDR_ML7223; chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_ML7223; + } else if (id->driver_data == 5) { /* ML7831 */ + retval = sysfs_create_file(&pdev->dev.kobj, + &dev_attr_pch_mac.attr); + if (retval) + goto err_sysfs_create; + + retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr); + if (retval) + goto exit_bin_attr; + + /* set the prefech value */ + iowrite32(0x000affaa, chip->pch_phub_base_address + 0x14); + /* set the interrupt delay value */ + iowrite32(0x25, chip->pch_phub_base_address + 0x44); + chip->pch_opt_rom_start_address = PCH_PHUB_ROM_START_ADDR_EG20T; + chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_EG20T; } chip->ioh_type = id->driver_data; @@ -773,8 +812,6 @@ exit_bin_attr: sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr); err_sysfs_create: - pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address); -err_pci_map: pci_iounmap(pdev, chip->pch_phub_base_address); err_pci_iomap: pci_release_regions(pdev); @@ -792,7 +829,6 @@ static void __devexit pch_phub_remove(struct pci_dev *pdev) sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr); sysfs_remove_bin_file(&pdev->dev.kobj, &pch_bin_attr); - pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address); pci_iounmap(pdev, chip->pch_phub_base_address); pci_release_regions(pdev); pci_disable_device(pdev); @@ -847,6 +883,7 @@ static struct pci_device_id pch_phub_pcidev_id[] = { { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7213_PHUB), 2, }, { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_mPHUB), 3, }, { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_nPHUB), 4, }, + { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7831_PHUB), 5, }, { } }; MODULE_DEVICE_TABLE(pci, pch_phub_pcidev_id); @@ -873,5 +910,5 @@ static void __exit pch_phub_pci_exit(void) module_init(pch_phub_pci_init); module_exit(pch_phub_pci_exit); -MODULE_DESCRIPTION("Intel EG20T PCH/OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB"); +MODULE_DESCRIPTION("Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7223) PHUB"); MODULE_LICENSE("GPL"); diff --git a/drivers/misc/spear13xx_pcie_gadget.c b/drivers/misc/spear13xx_pcie_gadget.c index cfbddbe..43d073b 100644 --- a/drivers/misc/spear13xx_pcie_gadget.c +++ b/drivers/misc/spear13xx_pcie_gadget.c @@ -903,6 +903,6 @@ static void __exit spear_pcie_gadget_exit(void) } module_exit(spear_pcie_gadget_exit); -MODULE_ALIAS("pcie-gadget-spear"); +MODULE_ALIAS("platform:pcie-gadget-spear"); MODULE_AUTHOR("Pratyush Anand"); MODULE_LICENSE("GPL"); |