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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-02 03:13:21 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-02 03:13:21 +0400 |
commit | 675c354a95d5375153b8bb80a0448cab916c7991 (patch) | |
tree | 88cbc5a5a31dd1c1016271006a8d56cfe0abf7bd /drivers/mcb/mcb-internal.h | |
parent | c70929147a10fa4538886cb23b934b509c4c0e49 (diff) | |
parent | 1b3fa22e0234d613df967445cd34807e10fa54fa (diff) | |
download | linux-675c354a95d5375153b8bb80a0448cab916c7991.tar.xz |
Merge tag 'char-misc-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver patches from Greg KH:
"Here's the big char/misc driver updates for 3.15-rc1.
Lots of various things here, including the new mcb driver subsystem.
All of these have been in linux-next for a while"
* tag 'char-misc-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (118 commits)
extcon: Move OF helper function to extcon core and change function name
extcon: of: Remove unnecessary function call by using the name of device_node
extcon: gpio: Use SIMPLE_DEV_PM_OPS macro
extcon: palmas: Use SIMPLE_DEV_PM_OPS macro
mei: don't use deprecated DEFINE_PCI_DEVICE_TABLE macro
mei: amthif: fix checkpatch error
mei: client.h fix checkpatch errors
mei: use cl_dbg where appropriate
mei: fix Unnecessary space after function pointer name
mei: report consistently copy_from/to_user failures
mei: drop pr_fmt macros
mei: make me hw headers private to me hw.
mei: fix memory leak of pending write cb objects
mei: me: do not reset when less than expected data is received
drivers: mcb: Fix build error discovered by 0-day bot
cs5535-mfgpt: Simplify dependencies
spmi: pm: drop bus-level PM suspend/resume routines
spmi: pmic_arb: make selectable on ARCH_QCOM
Drivers: hv: vmbus: Increase the limit on the number of pfns we can handle
pch_phub: Report error writing MAC back to user
...
Diffstat (limited to 'drivers/mcb/mcb-internal.h')
-rw-r--r-- | drivers/mcb/mcb-internal.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/drivers/mcb/mcb-internal.h b/drivers/mcb/mcb-internal.h new file mode 100644 index 000000000000..f956ef26c0ce --- /dev/null +++ b/drivers/mcb/mcb-internal.h @@ -0,0 +1,118 @@ +#ifndef __MCB_INTERNAL +#define __MCB_INTERNAL + +#include <linux/types.h> + +#define PCI_VENDOR_ID_MEN 0x1a88 +#define PCI_DEVICE_ID_MEN_CHAMELEON 0x4d45 +#define CHAMELEON_FILENAME_LEN 12 +#define CHAMELEONV2_MAGIC 0xabce + +enum chameleon_descriptor_type { + CHAMELEON_DTYPE_GENERAL = 0x0, + CHAMELEON_DTYPE_BRIDGE = 0x1, + CHAMELEON_DTYPE_CPU = 0x2, + CHAMELEON_DTYPE_BAR = 0x3, + CHAMELEON_DTYPE_END = 0xf, +}; + +enum chameleon_bus_type { + CHAMELEON_BUS_WISHBONE, + CHAMELEON_BUS_AVALON, + CHAMELEON_BUS_LPC, + CHAMELEON_BUS_ISA, +}; + +/** + * struct chameleon_fpga_header + * + * @revision: Revison of Chameleon table in FPGA + * @model: Chameleon table model ASCII char + * @minor: Revision minor + * @bus_type: Bus type (usually %CHAMELEON_BUS_WISHBONE) + * @magic: Chameleon header magic number (0xabce for version 2) + * @reserved: Reserved + * @filename: Filename of FPGA bitstream + */ +struct chameleon_fpga_header { + u8 revision; + char model; + u8 minor; + u8 bus_type; + u16 magic; + u16 reserved; + /* This one has no '\0' at the end!!! */ + char filename[CHAMELEON_FILENAME_LEN]; +} __packed; +#define HEADER_MAGIC_OFFSET 0x4 + +/** + * struct chameleon_gdd - Chameleon General Device Descriptor + * + * @irq: the position in the FPGA's IRQ controller vector + * @rev: the revision of the variant's implementation + * @var: the variant of the IP core + * @dev: the device the IP core is + * @dtype: device descriptor type + * @bar: BAR offset that must be added to module offset + * @inst: the instance number of the device, 0 is first instance + * @group: the group the device belongs to (0 = no group) + * @reserved: reserved + * @offset: beginning of the address window of desired module + * @size: size of the module's address window + */ +struct chameleon_gdd { + __le32 reg1; + __le32 reg2; + __le32 offset; + __le32 size; + +} __packed; + +/* GDD Register 1 fields */ +#define GDD_IRQ(x) ((x) & 0x1f) +#define GDD_REV(x) (((x) >> 5) & 0x3f) +#define GDD_VAR(x) (((x) >> 11) & 0x3f) +#define GDD_DEV(x) (((x) >> 18) & 0x3ff) +#define GDD_DTY(x) (((x) >> 28) & 0xf) + +/* GDD Register 2 fields */ +#define GDD_BAR(x) ((x) & 0x7) +#define GDD_INS(x) (((x) >> 3) & 0x3f) +#define GDD_GRP(x) (((x) >> 9) & 0x3f) + +/** + * struct chameleon_bdd - Chameleon Bridge Device Descriptor + * + * @irq: the position in the FPGA's IRQ controller vector + * @rev: the revision of the variant's implementation + * @var: the variant of the IP core + * @dev: the device the IP core is + * @dtype: device descriptor type + * @bar: BAR offset that must be added to module offset + * @inst: the instance number of the device, 0 is first instance + * @dbar: destination bar from the bus _behind_ the bridge + * @chamoff: offset within the BAR of the source bus + * @offset: + * @size: + */ +struct chameleon_bdd { + unsigned int irq:6; + unsigned int rev:6; + unsigned int var:6; + unsigned int dev:10; + unsigned int dtype:4; + unsigned int bar:3; + unsigned int inst:6; + unsigned int dbar:3; + unsigned int group:6; + unsigned int reserved:14; + u32 chamoff; + u32 offset; + u32 size; +} __packed; + +int chameleon_parse_cells(struct mcb_bus *bus, phys_addr_t mapbase, + void __iomem *base); + +#endif |