diff options
Diffstat (limited to 'drivers/char')
51 files changed, 354 insertions, 1739 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index d0a6dc53213c..d0c978fbc204 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -386,6 +386,39 @@ config AU1000_SERIAL_CONSOLE If you have an Alchemy AU1000 processor (MIPS based) and you want to use a console on a serial port, say Y. Otherwise, say N. +config SERIAL_DEC + bool "DECstation serial support" + depends on MACH_DECSTATION + default y + help + This selects whether you want to be asked about drivers for + DECstation serial ports. + + Note that the answer to this question won't directly affect the + kernel: saying N will just cause the configurator to skip all + the questions about DECstation serial ports. + +config SERIAL_DEC_CONSOLE + bool "Support for console on a DECstation serial port" + depends on SERIAL_DEC + default y + help + If you say Y here, it will be possible to use a serial port as the + system console (the system console is the device which receives all + kernel messages and warnings and which allows logins in single user + mode). Note that the firmware uses ttyS0 as the serial console on + the Maxine and ttyS2 on the others. + + If unsure, say Y. + +config ZS + bool "Z85C30 Serial Support" + depends on SERIAL_DEC + default y + help + Documentation on the Zilog 85C350 serial communications controller + is downloadable at <http://www.zilog.com/pdfs/serial/z85c30.pdf> + config A2232 tristate "Commodore A2232 serial support (EXPERIMENTAL)" depends on EXPERIMENTAL && ZORRO && BROKEN_ON_SMP @@ -1026,16 +1059,17 @@ config MMTIMER source "drivers/char/tpm/Kconfig" config TELCLOCK - tristate "Telecom clock driver for MPBL0010 ATCA SBC" + tristate "Telecom clock driver for ATCA SBC" depends on EXPERIMENTAL && X86 default n help - The telecom clock device is specific to the MPBL0010 ATCA computer and - allows direct userspace access to the configuration of the telecom clock - configuration settings. This device is used for hardware synchronization - across the ATCA backplane fabric. Upon loading, the driver exports a - sysfs directory, /sys/devices/platform/telco_clock, with a number of - files for controlling the behavior of this hardware. + The telecom clock device is specific to the MPCBL0010 and MPCBL0050 + ATCA computers and allows direct userspace access to the + configuration of the telecom clock configuration settings. This + device is used for hardware synchronization across the ATCA backplane + fabric. Upon loading, the driver exports a sysfs directory, + /sys/devices/platform/telco_clock, with a number of files for + controlling the behavior of this hardware. endmenu diff --git a/drivers/char/agp/Makefile b/drivers/char/agp/Makefile index a0d04a23dacd..627f542827c7 100644 --- a/drivers/char/agp/Makefile +++ b/drivers/char/agp/Makefile @@ -1,7 +1,8 @@ agpgart-y := backend.o frontend.o generic.o isoch.o +agpgart-$(CONFIG_COMPAT) += compat_ioctl.o + obj-$(CONFIG_AGP) += agpgart.o -obj-$(CONFIG_COMPAT) += compat_ioctl.o obj-$(CONFIG_AGP_ALI) += ali-agp.o obj-$(CONFIG_AGP_ATI) += ati-agp.o obj-$(CONFIG_AGP_AMD) += amd-k7-agp.o diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h index 9bd68d9f0f59..fdbca25a3948 100644 --- a/drivers/char/agp/agp.h +++ b/drivers/char/agp/agp.h @@ -93,12 +93,12 @@ struct aper_size_info_fixed { struct agp_bridge_driver { struct module *owner; - void *aperture_sizes; + const void *aperture_sizes; int num_aperture_sizes; enum aper_size_type size_type; int cant_use_aperture; int needs_scratch_page; - struct gatt_mask *masks; + const struct gatt_mask *masks; int (*fetch_size)(void); int (*configure)(void); void (*agp_enable)(struct agp_bridge_data *, u32); @@ -119,7 +119,7 @@ struct agp_bridge_driver { struct agp_bridge_data { const struct agp_version *version; - struct agp_bridge_driver *driver; + const struct agp_bridge_driver *driver; struct vm_operations_struct *vm_ops; void *previous_size; void *current_size; @@ -290,7 +290,7 @@ void agp3_generic_cleanup(void); /* aperture sizes have been standardised since v3 */ #define AGP_GENERIC_SIZES_ENTRIES 11 -extern struct aper_size_info_16 agp3_generic_sizes[]; +extern const struct aper_size_info_16 agp3_generic_sizes[]; #define virt_to_gart(x) (phys_to_gart(virt_to_phys(x))) #define gart_to_virt(x) (phys_to_virt(gart_to_phys(x))) diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c index 98177a93076f..5b684fddcc03 100644 --- a/drivers/char/agp/ali-agp.c +++ b/drivers/char/agp/ali-agp.c @@ -182,7 +182,7 @@ static void m1541_destroy_page(void * addr) /* Setup function */ -static struct aper_size_info_32 ali_generic_sizes[7] = +static const struct aper_size_info_32 ali_generic_sizes[7] = { {256, 65536, 6, 10}, {128, 32768, 5, 9}, @@ -193,7 +193,7 @@ static struct aper_size_info_32 ali_generic_sizes[7] = {4, 1024, 0, 3} }; -static struct agp_bridge_driver ali_generic_bridge = { +static const struct agp_bridge_driver ali_generic_bridge = { .owner = THIS_MODULE, .aperture_sizes = ali_generic_sizes, .size_type = U32_APER_SIZE, @@ -217,7 +217,7 @@ static struct agp_bridge_driver ali_generic_bridge = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver ali_m1541_bridge = { +static const struct agp_bridge_driver ali_m1541_bridge = { .owner = THIS_MODULE, .aperture_sizes = ali_generic_sizes, .size_type = U32_APER_SIZE, diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c index 3d8d448bf394..e6c534e62846 100644 --- a/drivers/char/agp/amd-k7-agp.c +++ b/drivers/char/agp/amd-k7-agp.c @@ -344,7 +344,7 @@ static int amd_remove_memory(struct agp_memory *mem, off_t pg_start, int type) return 0; } -static struct aper_size_info_lvl2 amd_irongate_sizes[7] = +static const struct aper_size_info_lvl2 amd_irongate_sizes[7] = { {2048, 524288, 0x0000000c}, {1024, 262144, 0x0000000a}, @@ -355,12 +355,12 @@ static struct aper_size_info_lvl2 amd_irongate_sizes[7] = {32, 8192, 0x00000000} }; -static struct gatt_mask amd_irongate_masks[] = +static const struct gatt_mask amd_irongate_masks[] = { {.mask = 1, .type = 0} }; -static struct agp_bridge_driver amd_irongate_driver = { +static const struct agp_bridge_driver amd_irongate_driver = { .owner = THIS_MODULE, .aperture_sizes = amd_irongate_sizes, .size_type = LVL2_APER_SIZE, diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c index 636d984ed4a6..485720486d60 100644 --- a/drivers/char/agp/amd64-agp.c +++ b/drivers/char/agp/amd64-agp.c @@ -192,7 +192,7 @@ static u64 amd64_configure (struct pci_dev *hammer, u64 gatt_table) } -static struct aper_size_info_32 amd_8151_sizes[7] = +static const struct aper_size_info_32 amd_8151_sizes[7] = { {2048, 524288, 9, 0x00000000 }, /* 0 0 0 0 0 0 */ {1024, 262144, 8, 0x00000400 }, /* 1 0 0 0 0 0 */ @@ -232,7 +232,7 @@ static void amd64_cleanup(void) } -static struct agp_bridge_driver amd_8151_driver = { +static const struct agp_bridge_driver amd_8151_driver = { .owner = THIS_MODULE, .aperture_sizes = amd_8151_sizes, .size_type = U32_APER_SIZE, diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c index 77c9ad68fba9..780e59e588ad 100644 --- a/drivers/char/agp/ati-agp.c +++ b/drivers/char/agp/ati-agp.c @@ -24,7 +24,7 @@ #define ATI_GART_CACHE_ENTRY_CNTRL 0x10 -static struct aper_size_info_lvl2 ati_generic_sizes[7] = +static const struct aper_size_info_lvl2 ati_generic_sizes[7] = { {2048, 524288, 0x0000000c}, {1024, 262144, 0x0000000a}, @@ -410,7 +410,7 @@ static int ati_free_gatt_table(struct agp_bridge_data *bridge) return 0; } -static struct agp_bridge_driver ati_generic_bridge = { +static const struct agp_bridge_driver ati_generic_bridge = { .owner = THIS_MODULE, .aperture_sizes = ati_generic_sizes, .size_type = LVL2_APER_SIZE, diff --git a/drivers/char/agp/efficeon-agp.c b/drivers/char/agp/efficeon-agp.c index 658cb1a72d2c..df8da7262853 100644 --- a/drivers/char/agp/efficeon-agp.c +++ b/drivers/char/agp/efficeon-agp.c @@ -59,7 +59,7 @@ static struct _efficeon_private { unsigned long l1_table[EFFICEON_L1_SIZE]; } efficeon_private; -static struct gatt_mask efficeon_generic_masks[] = +static const struct gatt_mask efficeon_generic_masks[] = { {.mask = 0x00000001, .type = 0} }; @@ -70,7 +70,7 @@ static inline unsigned long efficeon_mask_memory(unsigned long addr) return addr | 0x00000001; } -static struct aper_size_info_lvl2 efficeon_generic_sizes[4] = +static const struct aper_size_info_lvl2 efficeon_generic_sizes[4] = { {256, 65536, 0}, {128, 32768, 32}, @@ -309,7 +309,7 @@ static int efficeon_remove_memory(struct agp_memory * mem, off_t pg_start, int t } -static struct agp_bridge_driver efficeon_driver = { +static const struct agp_bridge_driver efficeon_driver = { .owner = THIS_MODULE, .aperture_sizes = efficeon_generic_sizes, .size_type = LVL2_APER_SIZE, diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index 7923337c3d26..f902d71947ba 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -1340,7 +1340,7 @@ void agp3_generic_cleanup(void) } EXPORT_SYMBOL(agp3_generic_cleanup); -struct aper_size_info_16 agp3_generic_sizes[AGP_GENERIC_SIZES_ENTRIES] = +const struct aper_size_info_16 agp3_generic_sizes[AGP_GENERIC_SIZES_ENTRIES] = { {4096, 1048576, 10,0x000}, {2048, 524288, 9, 0x800}, diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c index 847deabf7f9b..bcdb149c8179 100644 --- a/drivers/char/agp/hp-agp.c +++ b/drivers/char/agp/hp-agp.c @@ -419,7 +419,7 @@ hp_zx1_enable (struct agp_bridge_data *bridge, u32 mode) agp_device_command(command, (mode & AGP8X_MODE) != 0); } -struct agp_bridge_driver hp_zx1_driver = { +const struct agp_bridge_driver hp_zx1_driver = { .owner = THIS_MODULE, .size_type = FIXED_APER_SIZE, .configure = hp_zx1_configure, diff --git a/drivers/char/agp/i460-agp.c b/drivers/char/agp/i460-agp.c index 3e7618653abd..53354bf83af7 100644 --- a/drivers/char/agp/i460-agp.c +++ b/drivers/char/agp/i460-agp.c @@ -78,7 +78,7 @@ static struct { } *lp_desc; } i460; -static struct aper_size_info_8 i460_sizes[3] = +static const struct aper_size_info_8 i460_sizes[3] = { /* * The 32GB aperture is only available with a 4M GART page size. Due to the @@ -550,7 +550,7 @@ static unsigned long i460_mask_memory (struct agp_bridge_data *bridge, | (((addr & ~((1 << I460_IO_PAGE_SHIFT) - 1)) & 0xfffff000) >> 12); } -struct agp_bridge_driver intel_i460_driver = { +const struct agp_bridge_driver intel_i460_driver = { .owner = THIS_MODULE, .aperture_sizes = i460_sizes, .size_type = U8_APER_SIZE, diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 06b0bb6d982f..55392a45a14b 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -18,11 +18,14 @@ #define PCI_DEVICE_ID_INTEL_82965Q_IG 0x2992 #define PCI_DEVICE_ID_INTEL_82965G_HB 0x29A0 #define PCI_DEVICE_ID_INTEL_82965G_IG 0x29A2 +#define PCI_DEVICE_ID_INTEL_82965GM_HB 0x2A00 +#define PCI_DEVICE_ID_INTEL_82965GM_IG 0x2A02 #define IS_I965 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82946GZ_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_1_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \ - agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB) + agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \ + agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB) extern int agp_memory_reserved; @@ -63,7 +66,7 @@ extern int agp_memory_reserved; #define INTEL_I7505_AGPCTRL 0x70 #define INTEL_I7505_MCHCFG 0x50 -static struct aper_size_info_fixed intel_i810_sizes[] = +static const struct aper_size_info_fixed intel_i810_sizes[] = { {64, 16384, 4}, /* The 32M mode still requires a 64k gatt */ @@ -428,9 +431,8 @@ static void intel_i830_init_gtt_entries(void) if (IS_I965) { u32 pgetbl_ctl; + pgetbl_ctl = readl(intel_i830_private.registers+I810_PGETBL_CTL); - pci_read_config_dword(agp_bridge->dev, I810_PGETBL_CTL, - &pgetbl_ctl); /* The 965 has a field telling us the size of the GTT, * which may be larger than what is necessary to map the * aperture. @@ -1365,18 +1367,18 @@ static int intel_7505_configure(void) } /* Setup function */ -static struct gatt_mask intel_generic_masks[] = +static const struct gatt_mask intel_generic_masks[] = { {.mask = 0x00000017, .type = 0} }; -static struct aper_size_info_8 intel_815_sizes[2] = +static const struct aper_size_info_8 intel_815_sizes[2] = { {64, 16384, 4, 0}, {32, 8192, 3, 8}, }; -static struct aper_size_info_8 intel_8xx_sizes[7] = +static const struct aper_size_info_8 intel_8xx_sizes[7] = { {256, 65536, 6, 0}, {128, 32768, 5, 32}, @@ -1387,7 +1389,7 @@ static struct aper_size_info_8 intel_8xx_sizes[7] = {4, 1024, 0, 63} }; -static struct aper_size_info_16 intel_generic_sizes[7] = +static const struct aper_size_info_16 intel_generic_sizes[7] = { {256, 65536, 6, 0}, {128, 32768, 5, 32}, @@ -1398,7 +1400,7 @@ static struct aper_size_info_16 intel_generic_sizes[7] = {4, 1024, 0, 63} }; -static struct aper_size_info_8 intel_830mp_sizes[4] = +static const struct aper_size_info_8 intel_830mp_sizes[4] = { {256, 65536, 6, 0}, {128, 32768, 5, 32}, @@ -1406,7 +1408,7 @@ static struct aper_size_info_8 intel_830mp_sizes[4] = {32, 8192, 3, 56} }; -static struct agp_bridge_driver intel_generic_driver = { +static const struct agp_bridge_driver intel_generic_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_generic_sizes, .size_type = U16_APER_SIZE, @@ -1430,7 +1432,7 @@ static struct agp_bridge_driver intel_generic_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_810_driver = { +static const struct agp_bridge_driver intel_810_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_i810_sizes, .size_type = FIXED_APER_SIZE, @@ -1455,7 +1457,7 @@ static struct agp_bridge_driver intel_810_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_815_driver = { +static const struct agp_bridge_driver intel_815_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_815_sizes, .size_type = U8_APER_SIZE, @@ -1479,7 +1481,7 @@ static struct agp_bridge_driver intel_815_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_830_driver = { +static const struct agp_bridge_driver intel_830_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_i830_sizes, .size_type = FIXED_APER_SIZE, @@ -1504,7 +1506,7 @@ static struct agp_bridge_driver intel_830_driver = { .agp_type_to_mask_type = intel_i830_type_to_mask_type, }; -static struct agp_bridge_driver intel_820_driver = { +static const struct agp_bridge_driver intel_820_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, @@ -1528,7 +1530,7 @@ static struct agp_bridge_driver intel_820_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_830mp_driver = { +static const struct agp_bridge_driver intel_830mp_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_830mp_sizes, .size_type = U8_APER_SIZE, @@ -1552,7 +1554,7 @@ static struct agp_bridge_driver intel_830mp_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_840_driver = { +static const struct agp_bridge_driver intel_840_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, @@ -1576,7 +1578,7 @@ static struct agp_bridge_driver intel_840_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_845_driver = { +static const struct agp_bridge_driver intel_845_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, @@ -1600,7 +1602,7 @@ static struct agp_bridge_driver intel_845_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_850_driver = { +static const struct agp_bridge_driver intel_850_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, @@ -1624,7 +1626,7 @@ static struct agp_bridge_driver intel_850_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_860_driver = { +static const struct agp_bridge_driver intel_860_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, @@ -1648,7 +1650,7 @@ static struct agp_bridge_driver intel_860_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_915_driver = { +static const struct agp_bridge_driver intel_915_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_i830_sizes, .size_type = FIXED_APER_SIZE, @@ -1673,7 +1675,7 @@ static struct agp_bridge_driver intel_915_driver = { .agp_type_to_mask_type = intel_i830_type_to_mask_type, }; -static struct agp_bridge_driver intel_i965_driver = { +static const struct agp_bridge_driver intel_i965_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_i830_sizes, .size_type = FIXED_APER_SIZE, @@ -1698,7 +1700,7 @@ static struct agp_bridge_driver intel_i965_driver = { .agp_type_to_mask_type = intel_i830_type_to_mask_type, }; -static struct agp_bridge_driver intel_7505_driver = { +static const struct agp_bridge_driver intel_7505_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, @@ -1921,7 +1923,13 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev, bridge->driver = &intel_845_driver; name = "965G"; break; - + case PCI_DEVICE_ID_INTEL_82965GM_HB: + if (find_i830(PCI_DEVICE_ID_INTEL_82965GM_IG)) + bridge->driver = &intel_i965_driver; + else + bridge->driver = &intel_845_driver; + name = "965GM"; + break; case PCI_DEVICE_ID_INTEL_7505_0: bridge->driver = &intel_7505_driver; name = "E7505"; @@ -2080,6 +2088,7 @@ static struct pci_device_id agp_intel_pci_table[] = { ID(PCI_DEVICE_ID_INTEL_82965G_1_HB), ID(PCI_DEVICE_ID_INTEL_82965Q_HB), ID(PCI_DEVICE_ID_INTEL_82965G_HB), + ID(PCI_DEVICE_ID_INTEL_82965GM_HB), { } }; diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c index 2563286b2fcf..0c9dab557c94 100644 --- a/drivers/char/agp/nvidia-agp.c +++ b/drivers/char/agp/nvidia-agp.c @@ -272,7 +272,7 @@ static void nvidia_tlbflush(struct agp_memory *mem) } -static struct aper_size_info_8 nvidia_generic_sizes[5] = +static const struct aper_size_info_8 nvidia_generic_sizes[5] = { {512, 131072, 7, 0}, {256, 65536, 6, 8}, @@ -283,13 +283,13 @@ static struct aper_size_info_8 nvidia_generic_sizes[5] = }; -static struct gatt_mask nvidia_generic_masks[] = +static const struct gatt_mask nvidia_generic_masks[] = { { .mask = 1, .type = 0} }; -static struct agp_bridge_driver nvidia_driver = { +static const struct agp_bridge_driver nvidia_driver = { .owner = THIS_MODULE, .aperture_sizes = nvidia_generic_sizes, .size_type = U8_APER_SIZE, diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c index b7b4590673ae..3d83b461ccad 100644 --- a/drivers/char/agp/parisc-agp.c +++ b/drivers/char/agp/parisc-agp.c @@ -210,7 +210,7 @@ parisc_agp_enable(struct agp_bridge_data *bridge, u32 mode) agp_device_command(command, (mode & AGP8X_MODE) != 0); } -struct agp_bridge_driver parisc_agp_driver = { +static const struct agp_bridge_driver parisc_agp_driver = { .owner = THIS_MODULE, .size_type = FIXED_APER_SIZE, .configure = parisc_agp_configure, @@ -236,7 +236,7 @@ static int __init agp_ioc_init(void __iomem *ioc_regs) { struct _parisc_agp_info *info = &parisc_agp_info; - u64 *iova_base, *io_pdir, io_tlb_ps; + u64 iova_base, *io_pdir, io_tlb_ps; int io_tlb_shift; printk(KERN_INFO DRVPFX "IO PDIR shared with sba_iommu\n"); diff --git a/drivers/char/agp/sgi-agp.c b/drivers/char/agp/sgi-agp.c index 92d1dc45b9be..ee8f50edde1b 100644 --- a/drivers/char/agp/sgi-agp.c +++ b/drivers/char/agp/sgi-agp.c @@ -247,7 +247,7 @@ static struct agp_bridge_data *sgi_tioca_find_bridge(struct pci_dev *pdev) return bridge; } -struct agp_bridge_driver sgi_tioca_driver = { +const struct agp_bridge_driver sgi_tioca_driver = { .owner = THIS_MODULE, .size_type = U16_APER_SIZE, .configure = sgi_tioca_configure, diff --git a/drivers/char/agp/sis-agp.c b/drivers/char/agp/sis-agp.c index 60342b708152..125f4282d955 100644 --- a/drivers/char/agp/sis-agp.c +++ b/drivers/char/agp/sis-agp.c @@ -108,7 +108,7 @@ static void sis_delayed_enable(struct agp_bridge_data *bridge, u32 mode) } } -static struct aper_size_info_8 sis_generic_sizes[7] = +static const struct aper_size_info_8 sis_generic_sizes[7] = { {256, 65536, 6, 99}, {128, 32768, 5, 83}, diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c index 9f5ae7714f85..55212a3811fd 100644 --- a/drivers/char/agp/sworks-agp.c +++ b/drivers/char/agp/sworks-agp.c @@ -385,12 +385,12 @@ static int serverworks_remove_memory(struct agp_memory *mem, off_t pg_start, return 0; } -static struct gatt_mask serverworks_masks[] = +static const struct gatt_mask serverworks_masks[] = { {.mask = 1, .type = 0} }; -static struct aper_size_info_lvl2 serverworks_sizes[7] = +static const struct aper_size_info_lvl2 serverworks_sizes[7] = { {2048, 524288, 0x80000000}, {1024, 262144, 0xc0000000}, @@ -423,7 +423,7 @@ static void serverworks_agp_enable(struct agp_bridge_data *bridge, u32 mode) agp_device_command(command, 0); } -static struct agp_bridge_driver sworks_driver = { +static const struct agp_bridge_driver sworks_driver = { .owner = THIS_MODULE, .aperture_sizes = serverworks_sizes, .size_type = LVL2_APER_SIZE, diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c index 6c45702e542c..91b062126a68 100644 --- a/drivers/char/agp/uninorth-agp.c +++ b/drivers/char/agp/uninorth-agp.c @@ -460,7 +460,7 @@ void null_cache_flush(void) /* Setup function */ -static struct aper_size_info_32 uninorth_sizes[7] = +static const struct aper_size_info_32 uninorth_sizes[7] = { #if 0 /* Not sure uninorth supports that high aperture sizes */ {256, 65536, 6, 64}, @@ -477,7 +477,7 @@ static struct aper_size_info_32 uninorth_sizes[7] = * Not sure that u3 supports that high aperture sizes but it * would strange if it did not :) */ -static struct aper_size_info_32 u3_sizes[8] = +static const struct aper_size_info_32 u3_sizes[8] = { {512, 131072, 7, 128}, {256, 65536, 6, 64}, @@ -489,7 +489,7 @@ static struct aper_size_info_32 u3_sizes[8] = {4, 1024, 0, 1} }; -struct agp_bridge_driver uninorth_agp_driver = { +const struct agp_bridge_driver uninorth_agp_driver = { .owner = THIS_MODULE, .aperture_sizes = (void *)uninorth_sizes, .size_type = U32_APER_SIZE, @@ -514,7 +514,7 @@ struct agp_bridge_driver uninorth_agp_driver = { .cant_use_aperture = 1, }; -struct agp_bridge_driver u3_agp_driver = { +const struct agp_bridge_driver u3_agp_driver = { .owner = THIS_MODULE, .aperture_sizes = (void *)u3_sizes, .size_type = U32_APER_SIZE, diff --git a/drivers/char/agp/via-agp.c b/drivers/char/agp/via-agp.c index 2e7c04370cd9..a2bb4eccaab4 100644 --- a/drivers/char/agp/via-agp.c +++ b/drivers/char/agp/via-agp.c @@ -89,7 +89,7 @@ static void via_tlbflush(struct agp_memory *mem) } -static struct aper_size_info_8 via_generic_sizes[9] = +static const struct aper_size_info_8 via_generic_sizes[9] = { {256, 65536, 6, 0}, {128, 32768, 5, 128}, @@ -170,7 +170,7 @@ static void via_tlbflush_agp3(struct agp_memory *mem) } -static struct agp_bridge_driver via_agp3_driver = { +static const struct agp_bridge_driver via_agp3_driver = { .owner = THIS_MODULE, .aperture_sizes = agp3_generic_sizes, .size_type = U8_APER_SIZE, @@ -194,7 +194,7 @@ static struct agp_bridge_driver via_agp3_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver via_driver = { +static const struct agp_bridge_driver via_driver = { .owner = THIS_MODULE, .aperture_sizes = via_generic_sizes, .size_type = U8_APER_SIZE, diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c index 8dcf9d20f449..c70d52ace8b2 100644 --- a/drivers/char/briq_panel.c +++ b/drivers/char/briq_panel.c @@ -202,13 +202,16 @@ static struct miscdevice briq_panel_miscdev = { static int __init briq_panel_init(void) { - struct device_node *root = find_path_device("/"); + struct device_node *root = of_find_node_by_path("/"); const char *machine; int i; machine = get_property(root, "model", NULL); - if (!machine || strncmp(machine, "TotalImpact,BRIQ-1", 18) != 0) + if (!machine || strncmp(machine, "TotalImpact,BRIQ-1", 18) != 0) { + of_node_put(root); return -ENODEV; + } + of_node_put(root); printk(KERN_INFO "briq_panel: v%s Dr. Karsten Jeppesen (kj@totalimpact.com)\n", diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index 54df35527bc5..16dc5d1d3cb4 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -3501,6 +3501,7 @@ get_serial_info(struct cyclades_port *info, tmp.irq = cinfo->irq; tmp.flags = info->flags; tmp.close_delay = info->close_delay; + tmp.closing_wait = info->closing_wait; tmp.baud_base = info->baud; tmp.custom_divisor = info->custom_divisor; tmp.hub6 = 0; /*!!! */ diff --git a/drivers/char/drm/Makefile b/drivers/char/drm/Makefile index 3ad0f648c6b2..6915a0599dfb 100644 --- a/drivers/char/drm/Makefile +++ b/drivers/char/drm/Makefile @@ -15,7 +15,6 @@ i810-objs := i810_drv.o i810_dma.o i830-objs := i830_drv.o i830_dma.o i830_irq.o i915-objs := i915_drv.o i915_dma.o i915_irq.o i915_mem.o radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o r300_cmdbuf.o -ffb-objs := ffb_drv.o ffb_context.o sis-objs := sis_drv.o sis_mm.o savage-objs := savage_drv.o savage_bci.o savage_state.o via-objs := via_irq.o via_drv.o via_map.o via_mm.o via_dma.o via_verifier.o via_video.o via_dmablit.o @@ -36,7 +35,6 @@ obj-$(CONFIG_DRM_MGA) += mga.o obj-$(CONFIG_DRM_I810) += i810.o obj-$(CONFIG_DRM_I830) += i830.o obj-$(CONFIG_DRM_I915) += i915.o -obj-$(CONFIG_DRM_FFB) += ffb.o obj-$(CONFIG_DRM_SIS) += sis.o obj-$(CONFIG_DRM_SAVAGE)+= savage.o obj-$(CONFIG_DRM_VIA) +=via.o diff --git a/drivers/char/drm/ffb_context.c b/drivers/char/drm/ffb_context.c deleted file mode 100644 index ac9ab40d57aa..000000000000 --- a/drivers/char/drm/ffb_context.c +++ /dev/null @@ -1,544 +0,0 @@ -/* $Id: ffb_context.c,v 1.5 2001/08/09 17:47:51 davem Exp $ - * ffb_context.c: Creator/Creator3D DRI/DRM context switching. - * - * Copyright (C) 2000 David S. Miller (davem@redhat.com) - * - * Almost entirely stolen from tdfx_context.c, see there - * for authors. - */ - -#include <asm/upa.h> - -#include "ffb.h" -#include "drmP.h" - -#include "ffb_drv.h" - -static int DRM(alloc_queue) (drm_device_t * dev, int is_2d_only) { - ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; - int i; - - for (i = 0; i < FFB_MAX_CTXS; i++) { - if (fpriv->hw_state[i] == NULL) - break; - } - if (i == FFB_MAX_CTXS) - return -1; - - fpriv->hw_state[i] = kmalloc(sizeof(struct ffb_hw_context), GFP_KERNEL); - if (fpriv->hw_state[i] == NULL) - return -1; - - fpriv->hw_state[i]->is_2d_only = is_2d_only; - - /* Plus one because 0 is the special DRM_KERNEL_CONTEXT. */ - return i + 1; -} - -static void ffb_save_context(ffb_dev_priv_t * fpriv, int idx) -{ - ffb_fbcPtr ffb = fpriv->regs; - struct ffb_hw_context *ctx; - int i; - - ctx = fpriv->hw_state[idx - 1]; - if (idx == 0 || ctx == NULL) - return; - - if (ctx->is_2d_only) { - /* 2D applications only care about certain pieces - * of state. - */ - ctx->drawop = upa_readl(&ffb->drawop); - ctx->ppc = upa_readl(&ffb->ppc); - ctx->wid = upa_readl(&ffb->wid); - ctx->fg = upa_readl(&ffb->fg); - ctx->bg = upa_readl(&ffb->bg); - ctx->xclip = upa_readl(&ffb->xclip); - ctx->fbc = upa_readl(&ffb->fbc); - ctx->rop = upa_readl(&ffb->rop); - ctx->cmp = upa_readl(&ffb->cmp); - ctx->matchab = upa_readl(&ffb->matchab); - ctx->magnab = upa_readl(&ffb->magnab); - ctx->pmask = upa_readl(&ffb->pmask); - ctx->xpmask = upa_readl(&ffb->xpmask); - ctx->lpat = upa_readl(&ffb->lpat); - ctx->fontxy = upa_readl(&ffb->fontxy); - ctx->fontw = upa_readl(&ffb->fontw); - ctx->fontinc = upa_readl(&ffb->fontinc); - - /* stencil/stencilctl only exists on FFB2+ and later - * due to the introduction of 3DRAM-III. - */ - if (fpriv->ffb_type == ffb2_vertical_plus || - fpriv->ffb_type == ffb2_horizontal_plus) { - ctx->stencil = upa_readl(&ffb->stencil); - ctx->stencilctl = upa_readl(&ffb->stencilctl); - } - - for (i = 0; i < 32; i++) - ctx->area_pattern[i] = upa_readl(&ffb->pattern[i]); - ctx->ucsr = upa_readl(&ffb->ucsr); - return; - } - - /* Fetch drawop. */ - ctx->drawop = upa_readl(&ffb->drawop); - - /* If we were saving the vertex registers, this is where - * we would do it. We would save 32 32-bit words starting - * at ffb->suvtx. - */ - - /* Capture rendering attributes. */ - - ctx->ppc = upa_readl(&ffb->ppc); /* Pixel Processor Control */ - ctx->wid = upa_readl(&ffb->wid); /* Current WID */ - ctx->fg = upa_readl(&ffb->fg); /* Constant FG color */ - ctx->bg = upa_readl(&ffb->bg); /* Constant BG color */ - ctx->consty = upa_readl(&ffb->consty); /* Constant Y */ - ctx->constz = upa_readl(&ffb->constz); /* Constant Z */ - ctx->xclip = upa_readl(&ffb->xclip); /* X plane clip */ - ctx->dcss = upa_readl(&ffb->dcss); /* Depth Cue Scale Slope */ - ctx->vclipmin = upa_readl(&ffb->vclipmin); /* Primary XY clip, minimum */ - ctx->vclipmax = upa_readl(&ffb->vclipmax); /* Primary XY clip, maximum */ - ctx->vclipzmin = upa_readl(&ffb->vclipzmin); /* Primary Z clip, minimum */ - ctx->vclipzmax = upa_readl(&ffb->vclipzmax); /* Primary Z clip, maximum */ - ctx->dcsf = upa_readl(&ffb->dcsf); /* Depth Cue Scale Front Bound */ - ctx->dcsb = upa_readl(&ffb->dcsb); /* Depth Cue Scale Back Bound */ - ctx->dczf = upa_readl(&ffb->dczf); /* Depth Cue Scale Z Front */ - ctx->dczb = upa_readl(&ffb->dczb); /* Depth Cue Scale Z Back */ - ctx->blendc = upa_readl(&ffb->blendc); /* Alpha Blend Control */ - ctx->blendc1 = upa_readl(&ffb->blendc1); /* Alpha Blend Color 1 */ - ctx->blendc2 = upa_readl(&ffb->blendc2); /* Alpha Blend Color 2 */ - ctx->fbc = upa_readl(&ffb->fbc); /* Frame Buffer Control */ - ctx->rop = upa_readl(&ffb->rop); /* Raster Operation */ - ctx->cmp = upa_readl(&ffb->cmp); /* Compare Controls */ - ctx->matchab = upa_readl(&ffb->matchab); /* Buffer A/B Match Ops */ - ctx->matchc = upa_readl(&ffb->matchc); /* Buffer C Match Ops */ - ctx->magnab = upa_readl(&ffb->magnab); /* Buffer A/B Magnitude Ops */ - ctx->magnc = upa_readl(&ffb->magnc); /* Buffer C Magnitude Ops */ - ctx->pmask = upa_readl(&ffb->pmask); /* RGB Plane Mask */ - ctx->xpmask = upa_readl(&ffb->xpmask); /* X Plane Mask */ - ctx->ypmask = upa_readl(&ffb->ypmask); /* Y Plane Mask */ - ctx->zpmask = upa_readl(&ffb->zpmask); /* Z Plane Mask */ - - /* Auxiliary Clips. */ - ctx->auxclip0min = upa_readl(&ffb->auxclip[0].min); - ctx->auxclip0max = upa_readl(&ffb->auxclip[0].max); - ctx->auxclip1min = upa_readl(&ffb->auxclip[1].min); - ctx->auxclip1max = upa_readl(&ffb->auxclip[1].max); - ctx->auxclip2min = upa_readl(&ffb->auxclip[2].min); - ctx->auxclip2max = upa_readl(&ffb->auxclip[2].max); - ctx->auxclip3min = upa_readl(&ffb->auxclip[3].min); - ctx->auxclip3max = upa_readl(&ffb->auxclip[3].max); - - ctx->lpat = upa_readl(&ffb->lpat); /* Line Pattern */ - ctx->fontxy = upa_readl(&ffb->fontxy); /* XY Font Coordinate */ - ctx->fontw = upa_readl(&ffb->fontw); /* Font Width */ - ctx->fontinc = upa_readl(&ffb->fontinc); /* Font X/Y Increment */ - - /* These registers/features only exist on FFB2 and later chips. */ - if (fpriv->ffb_type >= ffb2_prototype) { - ctx->dcss1 = upa_readl(&ffb->dcss1); /* Depth Cue Scale Slope 1 */ - ctx->dcss2 = upa_readl(&ffb->dcss2); /* Depth Cue Scale Slope 2 */ - ctx->dcss2 = upa_readl(&ffb->dcss3); /* Depth Cue Scale Slope 3 */ - ctx->dcs2 = upa_readl(&ffb->dcs2); /* Depth Cue Scale 2 */ - ctx->dcs3 = upa_readl(&ffb->dcs3); /* Depth Cue Scale 3 */ - ctx->dcs4 = upa_readl(&ffb->dcs4); /* Depth Cue Scale 4 */ - ctx->dcd2 = upa_readl(&ffb->dcd2); /* Depth Cue Depth 2 */ - ctx->dcd3 = upa_readl(&ffb->dcd3); /* Depth Cue Depth 3 */ - ctx->dcd4 = upa_readl(&ffb->dcd4); /* Depth Cue Depth 4 */ - - /* And stencil/stencilctl only exists on FFB2+ and later - * due to the introduction of 3DRAM-III. - */ - if (fpriv->ffb_type == ffb2_vertical_plus || - fpriv->ffb_type == ffb2_horizontal_plus) { - ctx->stencil = upa_readl(&ffb->stencil); - ctx->stencilctl = upa_readl(&ffb->stencilctl); - } - } - - /* Save the 32x32 area pattern. */ - for (i = 0; i < 32; i++) - ctx->area_pattern[i] = upa_readl(&ffb->pattern[i]); - - /* Finally, stash away the User Constol/Status Register. */ - ctx->ucsr = upa_readl(&ffb->ucsr); -} - -static void ffb_restore_context(ffb_dev_priv_t * fpriv, int old, int idx) -{ - ffb_fbcPtr ffb = fpriv->regs; - struct ffb_hw_context *ctx; - int i; - - ctx = fpriv->hw_state[idx - 1]; - if (idx == 0 || ctx == NULL) - return; - - if (ctx->is_2d_only) { - /* 2D applications only care about certain pieces - * of state. - */ - upa_writel(ctx->drawop, &ffb->drawop); - - /* If we were restoring the vertex registers, this is where - * we would do it. We would restore 32 32-bit words starting - * at ffb->suvtx. - */ - - upa_writel(ctx->ppc, &ffb->ppc); - upa_writel(ctx->wid, &ffb->wid); - upa_writel(ctx->fg, &ffb->fg); - upa_writel(ctx->bg, &ffb->bg); - upa_writel(ctx->xclip, &ffb->xclip); - upa_writel(ctx->fbc, &ffb->fbc); - upa_writel(ctx->rop, &ffb->rop); - upa_writel(ctx->cmp, &ffb->cmp); - upa_writel(ctx->matchab, &ffb->matchab); - upa_writel(ctx->magnab, &ffb->magnab); - upa_writel(ctx->pmask, &ffb->pmask); - upa_writel(ctx->xpmask, &ffb->xpmask); - upa_writel(ctx->lpat, &ffb->lpat); - upa_writel(ctx->fontxy, &ffb->fontxy); - upa_writel(ctx->fontw, &ffb->fontw); - upa_writel(ctx->fontinc, &ffb->fontinc); - - /* stencil/stencilctl only exists on FFB2+ and later - * due to the introduction of 3DRAM-III. - */ - if (fpriv->ffb_type == ffb2_vertical_plus || - fpriv->ffb_type == ffb2_horizontal_plus) { - upa_writel(ctx->stencil, &ffb->stencil); - upa_writel(ctx->stencilctl, &ffb->stencilctl); - upa_writel(0x80000000, &ffb->fbc); - upa_writel((ctx->stencilctl | 0x80000), - &ffb->rawstencilctl); - upa_writel(ctx->fbc, &ffb->fbc); - } - - for (i = 0; i < 32; i++) - upa_writel(ctx->area_pattern[i], &ffb->pattern[i]); - upa_writel((ctx->ucsr & 0xf0000), &ffb->ucsr); - return; - } - - /* Restore drawop. */ - upa_writel(ctx->drawop, &ffb->drawop); - - /* If we were restoring the vertex registers, this is where - * we would do it. We would restore 32 32-bit words starting - * at ffb->suvtx. - */ - - /* Restore rendering attributes. */ - - upa_writel(ctx->ppc, &ffb->ppc); /* Pixel Processor Control */ - upa_writel(ctx->wid, &ffb->wid); /* Current WID */ - upa_writel(ctx->fg, &ffb->fg); /* Constant FG color */ - upa_writel(ctx->bg, &ffb->bg); /* Constant BG color */ - upa_writel(ctx->consty, &ffb->consty); /* Constant Y */ - upa_writel(ctx->constz, &ffb->constz); /* Constant Z */ - upa_writel(ctx->xclip, &ffb->xclip); /* X plane clip */ - upa_writel(ctx->dcss, &ffb->dcss); /* Depth Cue Scale Slope */ - upa_writel(ctx->vclipmin, &ffb->vclipmin); /* Primary XY clip, minimum */ - upa_writel(ctx->vclipmax, &ffb->vclipmax); /* Primary XY clip, maximum */ - upa_writel(ctx->vclipzmin, &ffb->vclipzmin); /* Primary Z clip, minimum */ - upa_writel(ctx->vclipzmax, &ffb->vclipzmax); /* Primary Z clip, maximum */ - upa_writel(ctx->dcsf, &ffb->dcsf); /* Depth Cue Scale Front Bound */ - upa_writel(ctx->dcsb, &ffb->dcsb); /* Depth Cue Scale Back Bound */ - upa_writel(ctx->dczf, &ffb->dczf); /* Depth Cue Scale Z Front */ - upa_writel(ctx->dczb, &ffb->dczb); /* Depth Cue Scale Z Back */ - upa_writel(ctx->blendc, &ffb->blendc); /* Alpha Blend Control */ - upa_writel(ctx->blendc1, &ffb->blendc1); /* Alpha Blend Color 1 */ - upa_writel(ctx->blendc2, &ffb->blendc2); /* Alpha Blend Color 2 */ - upa_writel(ctx->fbc, &ffb->fbc); /* Frame Buffer Control */ - upa_writel(ctx->rop, &ffb->rop); /* Raster Operation */ - upa_writel(ctx->cmp, &ffb->cmp); /* Compare Controls */ - upa_writel(ctx->matchab, &ffb->matchab); /* Buffer A/B Match Ops */ - upa_writel(ctx->matchc, &ffb->matchc); /* Buffer C Match Ops */ - upa_writel(ctx->magnab, &ffb->magnab); /* Buffer A/B Magnitude Ops */ - upa_writel(ctx->magnc, &ffb->magnc); /* Buffer C Magnitude Ops */ - upa_writel(ctx->pmask, &ffb->pmask); /* RGB Plane Mask */ - upa_writel(ctx->xpmask, &ffb->xpmask); /* X Plane Mask */ - upa_writel(ctx->ypmask, &ffb->ypmask); /* Y Plane Mask */ - upa_writel(ctx->zpmask, &ffb->zpmask); /* Z Plane Mask */ - - /* Auxiliary Clips. */ - upa_writel(ctx->auxclip0min, &ffb->auxclip[0].min); - upa_writel(ctx->auxclip0max, &ffb->auxclip[0].max); - upa_writel(ctx->auxclip1min, &ffb->auxclip[1].min); - upa_writel(ctx->auxclip1max, &ffb->auxclip[1].max); - upa_writel(ctx->auxclip2min, &ffb->auxclip[2].min); - upa_writel(ctx->auxclip2max, &ffb->auxclip[2].max); - upa_writel(ctx->auxclip3min, &ffb->auxclip[3].min); - upa_writel(ctx->auxclip3max, &ffb->auxclip[3].max); - - upa_writel(ctx->lpat, &ffb->lpat); /* Line Pattern */ - upa_writel(ctx->fontxy, &ffb->fontxy); /* XY Font Coordinate */ - upa_writel(ctx->fontw, &ffb->fontw); /* Font Width */ - upa_writel(ctx->fontinc, &ffb->fontinc); /* Font X/Y Increment */ - - /* These registers/features only exist on FFB2 and later chips. */ - if (fpriv->ffb_type >= ffb2_prototype) { - upa_writel(ctx->dcss1, &ffb->dcss1); /* Depth Cue Scale Slope 1 */ - upa_writel(ctx->dcss2, &ffb->dcss2); /* Depth Cue Scale Slope 2 */ - upa_writel(ctx->dcss3, &ffb->dcss2); /* Depth Cue Scale Slope 3 */ - upa_writel(ctx->dcs2, &ffb->dcs2); /* Depth Cue Scale 2 */ - upa_writel(ctx->dcs3, &ffb->dcs3); /* Depth Cue Scale 3 */ - upa_writel(ctx->dcs4, &ffb->dcs4); /* Depth Cue Scale 4 */ - upa_writel(ctx->dcd2, &ffb->dcd2); /* Depth Cue Depth 2 */ - upa_writel(ctx->dcd3, &ffb->dcd3); /* Depth Cue Depth 3 */ - upa_writel(ctx->dcd4, &ffb->dcd4); /* Depth Cue Depth 4 */ - - /* And stencil/stencilctl only exists on FFB2+ and later - * due to the introduction of 3DRAM-III. - */ - if (fpriv->ffb_type == ffb2_vertical_plus || - fpriv->ffb_type == ffb2_horizontal_plus) { - /* Unfortunately, there is a hardware bug on - * the FFB2+ chips which prevents a normal write - * to the stencil control register from working - * as it should. - * - * The state controlled by the FFB stencilctl register - * really gets transferred to the per-buffer instances - * of the stencilctl register in the 3DRAM chips. - * - * The bug is that FFB does not update buffer C correctly, - * so we have to do it by hand for them. - */ - - /* This will update buffers A and B. */ - upa_writel(ctx->stencil, &ffb->stencil); - upa_writel(ctx->stencilctl, &ffb->stencilctl); - - /* Force FFB to use buffer C 3dram regs. */ - upa_writel(0x80000000, &ffb->fbc); - upa_writel((ctx->stencilctl | 0x80000), - &ffb->rawstencilctl); - - /* Now restore the correct FBC controls. */ - upa_writel(ctx->fbc, &ffb->fbc); - } - } - - /* Restore the 32x32 area pattern. */ - for (i = 0; i < 32; i++) - upa_writel(ctx->area_pattern[i], &ffb->pattern[i]); - - /* Finally, stash away the User Constol/Status Register. - * The only state we really preserve here is the picking - * control. - */ - upa_writel((ctx->ucsr & 0xf0000), &ffb->ucsr); -} - -#define FFB_UCSR_FB_BUSY 0x01000000 -#define FFB_UCSR_RP_BUSY 0x02000000 -#define FFB_UCSR_ALL_BUSY (FFB_UCSR_RP_BUSY|FFB_UCSR_FB_BUSY) - -static void FFBWait(ffb_fbcPtr ffb) -{ - int limit = 100000; - - do { - u32 regval = upa_readl(&ffb->ucsr); - - if ((regval & FFB_UCSR_ALL_BUSY) == 0) - break; - } while (--limit); -} - -int ffb_driver_context_switch(drm_device_t * dev, int old, int new) -{ - ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; - -#ifdef DRM_DMA_HISTOGRAM - dev->ctx_start = get_cycles(); -#endif - - DRM_DEBUG("Context switch from %d to %d\n", old, new); - - if (new == dev->last_context || dev->last_context == 0) { - dev->last_context = new; - return 0; - } - - FFBWait(fpriv->regs); - ffb_save_context(fpriv, old); - ffb_restore_context(fpriv, old, new); - FFBWait(fpriv->regs); - - dev->last_context = new; - - return 0; -} - -int ffb_driver_resctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_res_t res; - drm_ctx_t ctx; - int i; - - DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS); - if (copy_from_user(&res, (drm_ctx_res_t __user *) arg, sizeof(res))) - return -EFAULT; - if (res.count >= DRM_RESERVED_CONTEXTS) { - memset(&ctx, 0, sizeof(ctx)); - for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { - ctx.handle = i; - if (copy_to_user(&res.contexts[i], &i, sizeof(i))) - return -EFAULT; - } - } - res.count = DRM_RESERVED_CONTEXTS; - if (copy_to_user((drm_ctx_res_t __user *) arg, &res, sizeof(res))) - return -EFAULT; - return 0; -} - -int ffb_driver_addctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - int idx; - - if (copy_from_user(&ctx, (drm_ctx_t __user *) arg, sizeof(ctx))) - return -EFAULT; - idx = DRM(alloc_queue) (dev, (ctx.flags & _DRM_CONTEXT_2DONLY)); - if (idx < 0) - return -ENFILE; - - DRM_DEBUG("%d\n", ctx.handle); - ctx.handle = idx; - if (copy_to_user((drm_ctx_t __user *) arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int ffb_driver_modctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; - struct ffb_hw_context *hwctx; - drm_ctx_t ctx; - int idx; - - if (copy_from_user(&ctx, (drm_ctx_t __user *) arg, sizeof(ctx))) - return -EFAULT; - - idx = ctx.handle; - if (idx <= 0 || idx >= FFB_MAX_CTXS) - return -EINVAL; - - hwctx = fpriv->hw_state[idx - 1]; - if (hwctx == NULL) - return -EINVAL; - - if ((ctx.flags & _DRM_CONTEXT_2DONLY) == 0) - hwctx->is_2d_only = 0; - else - hwctx->is_2d_only = 1; - - return 0; -} - -int ffb_driver_getctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; - struct ffb_hw_context *hwctx; - drm_ctx_t ctx; - int idx; - - if (copy_from_user(&ctx, (drm_ctx_t __user *) arg, sizeof(ctx))) - return -EFAULT; - - idx = ctx.handle; - if (idx <= 0 || idx >= FFB_MAX_CTXS) - return -EINVAL; - - hwctx = fpriv->hw_state[idx - 1]; - if (hwctx == NULL) - return -EINVAL; - - if (hwctx->is_2d_only != 0) - ctx.flags = _DRM_CONTEXT_2DONLY; - else - ctx.flags = 0; - - if (copy_to_user((drm_ctx_t __user *) arg, &ctx, sizeof(ctx))) - return -EFAULT; - - return 0; -} - -int ffb_driver_switchctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t __user *) arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - return ffb_driver_context_switch(dev, dev->last_context, ctx.handle); -} - -int ffb_driver_newctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t __user *) arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - - return 0; -} - -int ffb_driver_rmctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_t ctx; - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; - int idx; - - if (copy_from_user(&ctx, (drm_ctx_t __user *) arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - - idx = ctx.handle - 1; - if (idx < 0 || idx >= FFB_MAX_CTXS) - return -EINVAL; - - kfree(fpriv->hw_state[idx]); - fpriv->hw_state[idx] = NULL; - return 0; -} - -void ffb_set_context_ioctls(void) -{ - DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)].func = ffb_driver_addctx; - DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)].func = ffb_driver_rmctx; - DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)].func = ffb_driver_modctx; - DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)].func = ffb_driver_getctx; - DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)].func = - ffb_driver_switchctx; - DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)].func = ffb_driver_newctx; - DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)].func = ffb_driver_resctx; - -} diff --git a/drivers/char/drm/ffb_drv.c b/drivers/char/drm/ffb_drv.c deleted file mode 100644 index 9a19879e3b68..000000000000 --- a/drivers/char/drm/ffb_drv.c +++ /dev/null @@ -1,355 +0,0 @@ -/* $Id: ffb_drv.c,v 1.16 2001/10/18 16:00:24 davem Exp $ - * ffb_drv.c: Creator/Creator3D direct rendering driver. - * - * Copyright (C) 2000 David S. Miller (davem@redhat.com) - */ - -#include "ffb.h" -#include "drmP.h" - -#include "ffb_drv.h" - -#include <linux/smp_lock.h> -#include <asm/shmparam.h> -#include <asm/oplib.h> -#include <asm/upa.h> - -#define DRIVER_AUTHOR "David S. Miller" - -#define DRIVER_NAME "ffb" -#define DRIVER_DESC "Creator/Creator3D" -#define DRIVER_DATE "20000517" - -#define DRIVER_MAJOR 0 -#define DRIVER_MINOR 0 -#define DRIVER_PATCHLEVEL 1 - -typedef struct _ffb_position_t { - int node; - int root; -} ffb_position_t; - -static ffb_position_t *ffb_position; - -static void get_ffb_type(ffb_dev_priv_t * ffb_priv, int instance) -{ - volatile unsigned char *strap_bits; - unsigned char val; - - strap_bits = (volatile unsigned char *) - (ffb_priv->card_phys_base + 0x00200000UL); - - /* Don't ask, you have to read the value twice for whatever - * reason to get correct contents. - */ - val = upa_readb(strap_bits); - val = upa_readb(strap_bits); - switch (val & 0x78) { - case (0x0 << 5) | (0x0 << 3): - ffb_priv->ffb_type = ffb1_prototype; - printk("ffb%d: Detected FFB1 pre-FCS prototype\n", instance); - break; - case (0x0 << 5) | (0x1 << 3): - ffb_priv->ffb_type = ffb1_standard; - printk("ffb%d: Detected FFB1\n", instance); - break; - case (0x0 << 5) | (0x3 << 3): - ffb_priv->ffb_type = ffb1_speedsort; - printk("ffb%d: Detected FFB1-SpeedSort\n", instance); - break; - case (0x1 << 5) | (0x0 << 3): - ffb_priv->ffb_type = ffb2_prototype; - printk("ffb%d: Detected FFB2/vertical pre-FCS prototype\n", - instance); - break; - case (0x1 << 5) | (0x1 << 3): - ffb_priv->ffb_type = ffb2_vertical; - printk("ffb%d: Detected FFB2/vertical\n", instance); - break; - case (0x1 << 5) | (0x2 << 3): - ffb_priv->ffb_type = ffb2_vertical_plus; - printk("ffb%d: Detected FFB2+/vertical\n", instance); - break; - case (0x2 << 5) | (0x0 << 3): - ffb_priv->ffb_type = ffb2_horizontal; - printk("ffb%d: Detected FFB2/horizontal\n", instance); - break; - case (0x2 << 5) | (0x2 << 3): - ffb_priv->ffb_type = ffb2_horizontal; - printk("ffb%d: Detected FFB2+/horizontal\n", instance); - break; - default: - ffb_priv->ffb_type = ffb2_vertical; - printk("ffb%d: Unknown boardID[%08x], assuming FFB2\n", - instance, val); - break; - }; -} - -static void ffb_apply_upa_parent_ranges(int parent, - struct linux_prom64_registers *regs) -{ - struct linux_prom64_ranges ranges[PROMREG_MAX]; - char name[128]; - int len, i; - - prom_getproperty(parent, "name", name, sizeof(name)); - if (strcmp(name, "upa") != 0) - return; - - len = - prom_getproperty(parent, "ranges", (void *)ranges, sizeof(ranges)); - if (len <= 0) - return; - - len /= sizeof(struct linux_prom64_ranges); - for (i = 0; i < len; i++) { - struct linux_prom64_ranges *rng = &ranges[i]; - u64 phys_addr = regs->phys_addr; - - if (phys_addr >= rng->ot_child_base && - phys_addr < (rng->ot_child_base + rng->or_size)) { - regs->phys_addr -= rng->ot_child_base; - regs->phys_addr += rng->ot_parent_base; - return; - } - } - - return; -} - -static int ffb_init_one(drm_device_t * dev, int prom_node, int parent_node, - int instance) -{ - struct linux_prom64_registers regs[2 * PROMREG_MAX]; - ffb_dev_priv_t *ffb_priv = (ffb_dev_priv_t *) dev->dev_private; - int i; - - ffb_priv->prom_node = prom_node; - if (prom_getproperty(ffb_priv->prom_node, "reg", - (void *)regs, sizeof(regs)) <= 0) { - return -EINVAL; - } - ffb_apply_upa_parent_ranges(parent_node, ®s[0]); - ffb_priv->card_phys_base = regs[0].phys_addr; - ffb_priv->regs = (ffb_fbcPtr) - (regs[0].phys_addr + 0x00600000UL); - get_ffb_type(ffb_priv, instance); - for (i = 0; i < FFB_MAX_CTXS; i++) - ffb_priv->hw_state[i] = NULL; - - return 0; -} - -static drm_map_t *ffb_find_map(struct file *filp, unsigned long off) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - drm_map_list_t *r_list; - struct list_head *list; - drm_map_t *map; - - if (!priv || (dev = priv->dev) == NULL) - return NULL; - - list_for_each(list, &dev->maplist->head) { - r_list = (drm_map_list_t *) list; - map = r_list->map; - if (!map) - continue; - if (r_list->user_token == off) - return map; - } - - return NULL; -} - -unsigned long ffb_get_unmapped_area(struct file *filp, - unsigned long hint, - unsigned long len, - unsigned long pgoff, unsigned long flags) -{ - drm_map_t *map = ffb_find_map(filp, pgoff << PAGE_SHIFT); - unsigned long addr = -ENOMEM; - - if (!map) - return get_unmapped_area(NULL, hint, len, pgoff, flags); - - if (map->type == _DRM_FRAME_BUFFER || map->type == _DRM_REGISTERS) { -#ifdef HAVE_ARCH_FB_UNMAPPED_AREA - addr = get_fb_unmapped_area(filp, hint, len, pgoff, flags); -#else - addr = get_unmapped_area(NULL, hint, len, pgoff, flags); -#endif - } else if (map->type == _DRM_SHM && SHMLBA > PAGE_SIZE) { - unsigned long slack = SHMLBA - PAGE_SIZE; - - addr = get_unmapped_area(NULL, hint, len + slack, pgoff, flags); - if (!(addr & ~PAGE_MASK)) { - unsigned long kvirt = (unsigned long)map->handle; - - if ((kvirt & (SHMLBA - 1)) != (addr & (SHMLBA - 1))) { - unsigned long koff, aoff; - - koff = kvirt & (SHMLBA - 1); - aoff = addr & (SHMLBA - 1); - if (koff < aoff) - koff += SHMLBA; - - addr += (koff - aoff); - } - } - } else { - addr = get_unmapped_area(NULL, hint, len, pgoff, flags); - } - - return addr; -} - -static int ffb_presetup(drm_device_t * dev) -{ - ffb_dev_priv_t *ffb_priv; - int ret = 0; - int i = 0; - - /* Check for the case where no device was found. */ - if (ffb_position == NULL) - return -ENODEV; - - /* code used to use numdevs no numdevs anymore */ - ffb_priv = kmalloc(sizeof(ffb_dev_priv_t), GFP_KERNEL); - if (!ffb_priv) - return -ENOMEM; - memset(ffb_priv, 0, sizeof(*ffb_priv)); - dev->dev_private = ffb_priv; - - ret = ffb_init_one(dev, ffb_position[i].node, ffb_position[i].root, i); - return ret; -} - -static void ffb_driver_release(drm_device_t * dev, struct file *filp) -{ - ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; - int context = _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock); - int idx; - - idx = context - 1; - if (fpriv && - context != DRM_KERNEL_CONTEXT && fpriv->hw_state[idx] != NULL) { - kfree(fpriv->hw_state[idx]); - fpriv->hw_state[idx] = NULL; - } -} - -static void ffb_driver_pretakedown(drm_device_t * dev) -{ - kfree(dev->dev_private); -} - -static int ffb_driver_postcleanup(drm_device_t * dev) -{ - kfree(ffb_position); - return 0; -} - -static void ffb_driver_kernel_context_switch_unlock(struct drm_device *dev, - drm_lock_t * lock) -{ - dev->lock.filp = 0; - { - __volatile__ unsigned int *plock = &dev->lock.hw_lock->lock; - unsigned int old, new, prev, ctx; - - ctx = lock->context; - do { - old = *plock; - new = ctx; - prev = cmpxchg(plock, old, new); - } while (prev != old); - } - wake_up_interruptible(&dev->lock.lock_queue); -} - -static unsigned long ffb_driver_get_map_ofs(drm_map_t * map) -{ - return (map->offset & 0xffffffff); -} - -static unsigned long ffb_driver_get_reg_ofs(drm_device_t * dev) -{ - ffb_dev_priv_t *ffb_priv = (ffb_dev_priv_t *) dev->dev_private; - - if (ffb_priv) - return ffb_priv->card_phys_base; - - return 0; -} - -static int postinit(struct drm_device *dev, unsigned long flags) -{ - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - DRIVER_NAME, - DRIVER_MAJOR, - DRIVER_MINOR, DRIVER_PATCHLEVEL, DRIVER_DATE, dev->minor); - return 0; -} - -static int version(drm_version_t * version) -{ - int len; - - version->version_major = DRIVER_MAJOR; - version->version_minor = DRIVER_MINOR; - version->version_patchlevel = DRIVER_PATCHLEVEL; - DRM_COPY(version->name, DRIVER_NAME); - DRM_COPY(version->date, DRIVER_DATE); - DRM_COPY(version->desc, DRIVER_DESC); - return 0; -} - -static drm_ioctl_desc_t ioctls[] = { - -}; - -static struct drm_driver driver = { - .driver_features = 0, - .dev_priv_size = sizeof(u32), - .release = ffb_driver_release, - .presetup = ffb_presetup, - .pretakedown = ffb_driver_pretakedown, - .postcleanup = ffb_driver_postcleanup, - .kernel_context_switch = ffb_driver_context_switch, - .kernel_context_switch_unlock = ffb_driver_kernel_context_switch_unlock, - .get_map_ofs = ffb_driver_get_map_ofs, - .get_reg_ofs = ffb_driver_get_reg_ofs, - .postinit = postinit, - .version = version, - .ioctls = ioctls, - .num_ioctls = DRM_ARRAY_SIZE(ioctls), - .fops = { - .owner = THIS_MODULE, - .open = drm_open, - .release = drm_release, - .ioctl = drm_ioctl, - .mmap = drm_mmap, - .poll = drm_poll, - .fasync = drm_fasync, - } - , -}; - -static int __init ffb_init(void) -{ - return -ENODEV; -} - -static void __exit ffb_exit(void) -{ -} - -module_init(ffb_init); -module_exit(ffb_exit); - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/char/drm/ffb_drv.h b/drivers/char/drm/ffb_drv.h deleted file mode 100644 index 582afa6dd2b4..000000000000 --- a/drivers/char/drm/ffb_drv.h +++ /dev/null @@ -1,379 +0,0 @@ -/* $Id: ffb_drv.h,v 1.1 2000/06/01 04:24:39 davem Exp $ - * ffb_drv.h: Creator/Creator3D direct rendering driver. - * - * Copyright (C) 2000 David S. Miller (davem@redhat.com) - */ - -/* Auxilliary clips. */ -typedef struct { - volatile unsigned int min; - volatile unsigned int max; -} ffb_auxclip, *ffb_auxclipPtr; - -/* FFB register set. */ -typedef struct _ffb_fbc { - /* Next vertex registers, on the right we list which drawops - * use said register and the logical name the register has in - * that context. - *//* DESCRIPTION DRAWOP(NAME) */ - /*0x00*/ unsigned int pad1[3]; - /* Reserved */ - /*0x0c*/ volatile unsigned int alpha; - /* ALPHA Transparency */ - /*0x10*/ volatile unsigned int red; - /* RED */ - /*0x14*/ volatile unsigned int green; - /* GREEN */ - /*0x18*/ volatile unsigned int blue; - /* BLUE */ - /*0x1c*/ volatile unsigned int z; - /* DEPTH */ - /*0x20*/ volatile unsigned int y; - /* Y triangle(DOYF) */ - /* aadot(DYF) */ - /* ddline(DYF) */ - /* aaline(DYF) */ - /*0x24*/ volatile unsigned int x; - /* X triangle(DOXF) */ - /* aadot(DXF) */ - /* ddline(DXF) */ - /* aaline(DXF) */ - /*0x28*/ unsigned int pad2[2]; - /* Reserved */ - /*0x30*/ volatile unsigned int ryf; - /* Y (alias to DOYF) ddline(RYF) */ - /* aaline(RYF) */ - /* triangle(RYF) */ - /*0x34*/ volatile unsigned int rxf; - /* X ddline(RXF) */ - /* aaline(RXF) */ - /* triangle(RXF) */ - /*0x38*/ unsigned int pad3[2]; - /* Reserved */ - /*0x40*/ volatile unsigned int dmyf; - /* Y (alias to DOYF) triangle(DMYF) */ - /*0x44*/ volatile unsigned int dmxf; - /* X triangle(DMXF) */ - /*0x48*/ unsigned int pad4[2]; - /* Reserved */ - /*0x50*/ volatile unsigned int ebyi; - /* Y (alias to RYI) polygon(EBYI) */ - /*0x54*/ volatile unsigned int ebxi; - /* X polygon(EBXI) */ - /*0x58*/ unsigned int pad5[2]; - /* Reserved */ - /*0x60*/ volatile unsigned int by; - /* Y brline(RYI) */ - /* fastfill(OP) */ - /* polygon(YI) */ - /* rectangle(YI) */ - /* bcopy(SRCY) */ - /* vscroll(SRCY) */ - /*0x64*/ volatile unsigned int bx; - /* X brline(RXI) */ - /* polygon(XI) */ - /* rectangle(XI) */ - /* bcopy(SRCX) */ - /* vscroll(SRCX) */ - /* fastfill(GO) */ - /*0x68*/ volatile unsigned int dy; - /* destination Y fastfill(DSTY) */ - /* bcopy(DSRY) */ - /* vscroll(DSRY) */ - /*0x6c*/ volatile unsigned int dx; - /* destination X fastfill(DSTX) */ - /* bcopy(DSTX) */ - /* vscroll(DSTX) */ - /*0x70*/ volatile unsigned int bh; - /* Y (alias to RYI) brline(DYI) */ - /* dot(DYI) */ - /* polygon(ETYI) */ - /* Height fastfill(H) */ - /* bcopy(H) */ - /* vscroll(H) */ - /* Y count fastfill(NY) */ - /*0x74*/ volatile unsigned int bw; - /* X dot(DXI) */ - /* brline(DXI) */ - /* polygon(ETXI) */ - /* fastfill(W) */ - /* bcopy(W) */ - /* vscroll(W) */ - /* fastfill(NX) */ - /*0x78*/ unsigned int pad6[2]; - /* Reserved */ - /*0x80*/ unsigned int pad7[32]; - /* Reserved */ - - /* Setup Unit's vertex state register */ -/*100*/ volatile unsigned int suvtx; - /*104*/ unsigned int pad8[63]; - /* Reserved */ - - /* Frame Buffer Control Registers */ - /*200*/ volatile unsigned int ppc; - /* Pixel Processor Control */ - /*204*/ volatile unsigned int wid; - /* Current WID */ - /*208*/ volatile unsigned int fg; - /* FG data */ - /*20c*/ volatile unsigned int bg; - /* BG data */ - /*210*/ volatile unsigned int consty; - /* Constant Y */ - /*214*/ volatile unsigned int constz; - /* Constant Z */ - /*218*/ volatile unsigned int xclip; - /* X Clip */ - /*21c*/ volatile unsigned int dcss; - /* Depth Cue Scale Slope */ - /*220*/ volatile unsigned int vclipmin; - /* Viewclip XY Min Bounds */ - /*224*/ volatile unsigned int vclipmax; - /* Viewclip XY Max Bounds */ - /*228*/ volatile unsigned int vclipzmin; - /* Viewclip Z Min Bounds */ - /*22c*/ volatile unsigned int vclipzmax; - /* Viewclip Z Max Bounds */ - /*230*/ volatile unsigned int dcsf; - /* Depth Cue Scale Front Bound */ - /*234*/ volatile unsigned int dcsb; - /* Depth Cue Scale Back Bound */ - /*238*/ volatile unsigned int dczf; - /* Depth Cue Z Front */ - /*23c*/ volatile unsigned int dczb; - /* Depth Cue Z Back */ - /*240*/ unsigned int pad9; - /* Reserved */ - /*244*/ volatile unsigned int blendc; - /* Alpha Blend Control */ - /*248*/ volatile unsigned int blendc1; - /* Alpha Blend Color 1 */ - /*24c*/ volatile unsigned int blendc2; - /* Alpha Blend Color 2 */ - /*250*/ volatile unsigned int fbramitc; - /* FB RAM Interleave Test Control */ - /*254*/ volatile unsigned int fbc; - /* Frame Buffer Control */ - /*258*/ volatile unsigned int rop; - /* Raster OPeration */ - /*25c*/ volatile unsigned int cmp; - /* Frame Buffer Compare */ - /*260*/ volatile unsigned int matchab; - /* Buffer AB Match Mask */ - /*264*/ volatile unsigned int matchc; - /* Buffer C(YZ) Match Mask */ - /*268*/ volatile unsigned int magnab; - /* Buffer AB Magnitude Mask */ - /*26c*/ volatile unsigned int magnc; - /* Buffer C(YZ) Magnitude Mask */ - /*270*/ volatile unsigned int fbcfg0; - /* Frame Buffer Config 0 */ - /*274*/ volatile unsigned int fbcfg1; - /* Frame Buffer Config 1 */ - /*278*/ volatile unsigned int fbcfg2; - /* Frame Buffer Config 2 */ - /*27c*/ volatile unsigned int fbcfg3; - /* Frame Buffer Config 3 */ - /*280*/ volatile unsigned int ppcfg; - /* Pixel Processor Config */ - /*284*/ volatile unsigned int pick; - /* Picking Control */ - /*288*/ volatile unsigned int fillmode; - /* FillMode */ - /*28c*/ volatile unsigned int fbramwac; - /* FB RAM Write Address Control */ - /*290*/ volatile unsigned int pmask; - /* RGB PlaneMask */ - /*294*/ volatile unsigned int xpmask; - /* X PlaneMask */ - /*298*/ volatile unsigned int ypmask; - /* Y PlaneMask */ - /*29c*/ volatile unsigned int zpmask; - /* Z PlaneMask */ - /*2a0*/ ffb_auxclip auxclip[4]; - /* Auxilliary Viewport Clip */ - - /* New 3dRAM III support regs */ -/*2c0*/ volatile unsigned int rawblend2; -/*2c4*/ volatile unsigned int rawpreblend; -/*2c8*/ volatile unsigned int rawstencil; -/*2cc*/ volatile unsigned int rawstencilctl; -/*2d0*/ volatile unsigned int threedram1; -/*2d4*/ volatile unsigned int threedram2; -/*2d8*/ volatile unsigned int passin; -/*2dc*/ volatile unsigned int rawclrdepth; -/*2e0*/ volatile unsigned int rawpmask; -/*2e4*/ volatile unsigned int rawcsrc; -/*2e8*/ volatile unsigned int rawmatch; -/*2ec*/ volatile unsigned int rawmagn; -/*2f0*/ volatile unsigned int rawropblend; -/*2f4*/ volatile unsigned int rawcmp; -/*2f8*/ volatile unsigned int rawwac; -/*2fc*/ volatile unsigned int fbramid; - - /*300*/ volatile unsigned int drawop; - /* Draw OPeration */ - /*304*/ unsigned int pad10[2]; - /* Reserved */ - /*30c*/ volatile unsigned int lpat; - /* Line Pattern control */ - /*310*/ unsigned int pad11; - /* Reserved */ - /*314*/ volatile unsigned int fontxy; - /* XY Font coordinate */ - /*318*/ volatile unsigned int fontw; - /* Font Width */ - /*31c*/ volatile unsigned int fontinc; - /* Font Increment */ - /*320*/ volatile unsigned int font; - /* Font bits */ - /*324*/ unsigned int pad12[3]; - /* Reserved */ -/*330*/ volatile unsigned int blend2; -/*334*/ volatile unsigned int preblend; -/*338*/ volatile unsigned int stencil; -/*33c*/ volatile unsigned int stencilctl; - - /*340*/ unsigned int pad13[4]; - /* Reserved */ - /*350*/ volatile unsigned int dcss1; - /* Depth Cue Scale Slope 1 */ - /*354*/ volatile unsigned int dcss2; - /* Depth Cue Scale Slope 2 */ - /*358*/ volatile unsigned int dcss3; - /* Depth Cue Scale Slope 3 */ -/*35c*/ volatile unsigned int widpmask; -/*360*/ volatile unsigned int dcs2; -/*364*/ volatile unsigned int dcs3; -/*368*/ volatile unsigned int dcs4; - /*36c*/ unsigned int pad14; - /* Reserved */ -/*370*/ volatile unsigned int dcd2; -/*374*/ volatile unsigned int dcd3; -/*378*/ volatile unsigned int dcd4; - /*37c*/ unsigned int pad15; - /* Reserved */ - /*380*/ volatile unsigned int pattern[32]; - /* area Pattern */ - /*400*/ unsigned int pad16[8]; - /* Reserved */ - /*420*/ volatile unsigned int reset; - /* chip RESET */ - /*424*/ unsigned int pad17[247]; - /* Reserved */ - /*800*/ volatile unsigned int devid; - /* Device ID */ - /*804*/ unsigned int pad18[63]; - /* Reserved */ - /*900*/ volatile unsigned int ucsr; - /* User Control & Status Register */ - /*904*/ unsigned int pad19[31]; - /* Reserved */ - /*980*/ volatile unsigned int mer; - /* Mode Enable Register */ - /*984*/ unsigned int pad20[1439]; - /* Reserved */ -} ffb_fbc, *ffb_fbcPtr; - -struct ffb_hw_context { - int is_2d_only; - - unsigned int ppc; - unsigned int wid; - unsigned int fg; - unsigned int bg; - unsigned int consty; - unsigned int constz; - unsigned int xclip; - unsigned int dcss; - unsigned int vclipmin; - unsigned int vclipmax; - unsigned int vclipzmin; - unsigned int vclipzmax; - unsigned int dcsf; - unsigned int dcsb; - unsigned int dczf; - unsigned int dczb; - unsigned int blendc; - unsigned int blendc1; - unsigned int blendc2; - unsigned int fbc; - unsigned int rop; - unsigned int cmp; - unsigned int matchab; - unsigned int matchc; - unsigned int magnab; - unsigned int magnc; - unsigned int pmask; - unsigned int xpmask; - unsigned int ypmask; - unsigned int zpmask; - unsigned int auxclip0min; - unsigned int auxclip0max; - unsigned int auxclip1min; - unsigned int auxclip1max; - unsigned int auxclip2min; - unsigned int auxclip2max; - unsigned int auxclip3min; - unsigned int auxclip3max; - unsigned int drawop; - unsigned int lpat; - unsigned int fontxy; - unsigned int fontw; - unsigned int fontinc; - unsigned int area_pattern[32]; - unsigned int ucsr; - unsigned int stencil; - unsigned int stencilctl; - unsigned int dcss1; - unsigned int dcss2; - unsigned int dcss3; - unsigned int dcs2; - unsigned int dcs3; - unsigned int dcs4; - unsigned int dcd2; - unsigned int dcd3; - unsigned int dcd4; - unsigned int mer; -}; - -#define FFB_MAX_CTXS 32 - -enum ffb_chip_type { - ffb1_prototype = 0, /* Early pre-FCS FFB */ - ffb1_standard, /* First FCS FFB, 100Mhz UPA, 66MHz gclk */ - ffb1_speedsort, /* Second FCS FFB, 100Mhz UPA, 75MHz gclk */ - ffb2_prototype, /* Early pre-FCS vertical FFB2 */ - ffb2_vertical, /* First FCS FFB2/vertical, 100Mhz UPA, 100MHZ gclk, - 75(SingleBuffer)/83(DoubleBuffer) MHz fclk */ - ffb2_vertical_plus, /* Second FCS FFB2/vertical, same timings */ - ffb2_horizontal, /* First FCS FFB2/horizontal, same timings as FFB2/vert */ - ffb2_horizontal_plus, /* Second FCS FFB2/horizontal, same timings */ - afb_m3, /* FCS Elite3D, 3 float chips */ - afb_m6 /* FCS Elite3D, 6 float chips */ -}; - -typedef struct ffb_dev_priv { - /* Misc software state. */ - int prom_node; - enum ffb_chip_type ffb_type; - u64 card_phys_base; - struct miscdevice miscdev; - - /* Controller registers. */ - ffb_fbcPtr regs; - - /* Context table. */ - struct ffb_hw_context *hw_state[FFB_MAX_CTXS]; -} ffb_dev_priv_t; - -extern unsigned long ffb_get_unmapped_area(struct file *filp, - unsigned long hint, - unsigned long len, - unsigned long pgoff, - unsigned long flags); -extern void ffb_set_context_ioctls(void); -extern drm_ioctl_desc_t DRM(ioctls)[]; - -extern int ffb_driver_context_switch(drm_device_t * dev, int old, int new); diff --git a/drivers/char/ds1286.c b/drivers/char/ds1286.c index 6d58b0370802..59146e3365ba 100644 --- a/drivers/char/ds1286.c +++ b/drivers/char/ds1286.c @@ -197,6 +197,7 @@ static int ds1286_ioctl(struct inode *inode, struct file *file, hrs = alm_tm.tm_hour; min = alm_tm.tm_min; + sec = alm_tm.tm_sec; if (hrs >= 24) hrs = 0xff; @@ -204,9 +205,11 @@ static int ds1286_ioctl(struct inode *inode, struct file *file, if (min >= 60) min = 0xff; - BIN_TO_BCD(sec); - BIN_TO_BCD(min); - BIN_TO_BCD(hrs); + if (sec != 0) + return -EINVAL; + + min = BIN2BCD(min); + min = BIN2BCD(hrs); spin_lock(&ds1286_lock); rtc_write(hrs, RTC_HOURS_ALARM); diff --git a/drivers/char/epca.c b/drivers/char/epca.c index 88fc24fc4392..de5be30484ad 100644 --- a/drivers/char/epca.c +++ b/drivers/char/epca.c @@ -209,7 +209,6 @@ static void digi_send_break(struct channel *ch, int msec); static void setup_empty_event(struct tty_struct *tty, struct channel *ch); void epca_setup(char *, int *); -static int get_termio(struct tty_struct *, struct termio __user *); static int pc_write(struct tty_struct *, const unsigned char *, int); static int pc_init(void); static int init_PCI(void); @@ -2362,15 +2361,6 @@ static int pc_ioctl(struct tty_struct *tty, struct file * file, switch (cmd) { /* Begin switch cmd */ - -#if 0 /* Handled by calling layer properly */ - case TCGETS: - if (copy_to_user(argp, tty->termios, sizeof(struct ktermios))) - return -EFAULT; - return 0; - case TCGETA: - return get_termio(tty, argp); -#endif case TCSBRK: /* SVID version: non-zero arg --> no break */ retval = tty_check_change(tty); if (retval) @@ -2735,13 +2725,6 @@ static void setup_empty_event(struct tty_struct *tty, struct channel *ch) memoff(ch); } /* End setup_empty_event */ -/* --------------------- Begin get_termio ----------------------- */ - -static int get_termio(struct tty_struct * tty, struct termio __user * termio) -{ /* Begin get_termio */ - return kernel_termios_to_user_termio(termio, tty->termios); -} /* End get_termio */ - /* ---------------------- Begin epca_setup -------------------------- */ void epca_setup(char *str, int *ints) { /* Begin epca_setup */ diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c index 337bbcdcf13d..8ea02755b1c9 100644 --- a/drivers/char/generic_serial.c +++ b/drivers/char/generic_serial.c @@ -710,12 +710,6 @@ void gs_close(struct tty_struct * tty, struct file * filp) } -static unsigned int gs_baudrates[] = { - 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, - 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600 -}; - - void gs_set_termios (struct tty_struct * tty, struct ktermios * old_termios) { @@ -771,7 +765,6 @@ void gs_set_termios (struct tty_struct * tty, baudrate = tty_get_baud_rate(tty); - baudrate = gs_baudrates[baudrate]; if ((tiosp->c_cflag & CBAUD) == B38400) { if ( (port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) baudrate = 57600; diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index cc2cd46bedc6..0f9ed7b46a6d 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -47,8 +47,6 @@ #define HVC_MAJOR 229 #define HVC_MINOR 0 -#define TIMEOUT (10) - /* * Wait this long per iteration while trying to push buffered data to the * hypervisor before allowing the tty to complete a close operation. @@ -104,12 +102,12 @@ static DEFINE_SPINLOCK(hvc_structs_lock); /* * This value is used to assign a tty->index value to a hvc_struct based * upon order of exposure via hvc_probe(), when we can not match it to - * a console canidate registered with hvc_instantiate(). + * a console candidate registered with hvc_instantiate(). */ static int last_hvc = -1; /* - * Do not call this function with either the hvc_strucst_lock or the hvc_struct + * Do not call this function with either the hvc_structs_lock or the hvc_struct * lock held. If successful, this function increments the kobject reference * count against the target hvc_struct so it should be released when finished. */ @@ -162,7 +160,7 @@ void hvc_console_print(struct console *co, const char *b, unsigned count) if (index >= MAX_NR_HVC_CONSOLES) return; - /* This console adapter was removed so it is not useable. */ + /* This console adapter was removed so it is not usable. */ if (vtermnos[index] < 0) return; @@ -220,7 +218,7 @@ struct console hvc_con_driver = { }; /* - * Early console initialization. Preceeds driver initialization. + * Early console initialization. Precedes driver initialization. * * (1) we are first, and the user specified another driver * -- index will remain -1 @@ -257,7 +255,7 @@ int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops) if (vtermnos[index] != -1) return -1; - /* make sure no no tty has been registerd in this index */ + /* make sure no no tty has been registered in this index */ hp = hvc_get_by_index(index); if (hp) { kobject_put(&hp->kobj); @@ -267,7 +265,7 @@ int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops) vtermnos[index] = vtermno; cons_ops[index] = ops; - /* reserve all indices upto and including this index */ + /* reserve all indices up to and including this index */ if (last_hvc < index) last_hvc = index; @@ -316,7 +314,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp) { struct hvc_struct *hp; unsigned long flags; - int irq = NO_IRQ; + int irq = 0; int rc = 0; struct kobject *kobjp; @@ -338,14 +336,14 @@ static int hvc_open(struct tty_struct *tty, struct file * filp) hp->tty = tty; /* Save for request_irq outside of spin_lock. */ irq = hp->irq; - if (irq != NO_IRQ) + if (irq) hp->irq_requested = 1; kobjp = &hp->kobj; spin_unlock_irqrestore(&hp->lock, flags); /* check error, fallback to non-irq */ - if (irq != NO_IRQ) + if (irq) rc = request_irq(irq, hvc_handle_interrupt, IRQF_DISABLED, "hvc_console", hp); /* @@ -373,7 +371,7 @@ static void hvc_close(struct tty_struct *tty, struct file * filp) { struct hvc_struct *hp; struct kobject *kobjp; - int irq = NO_IRQ; + int irq = 0; unsigned long flags; if (tty_hung_up_p(filp)) @@ -407,7 +405,7 @@ static void hvc_close(struct tty_struct *tty, struct file * filp) */ tty_wait_until_sent(tty, HVC_CLOSE_WAIT); - if (irq != NO_IRQ) + if (irq) free_irq(irq, hp); } else { @@ -424,7 +422,7 @@ static void hvc_hangup(struct tty_struct *tty) { struct hvc_struct *hp = tty->driver_data; unsigned long flags; - int irq = NO_IRQ; + int irq = 0; int temp_open_count; struct kobject *kobjp; @@ -453,7 +451,7 @@ static void hvc_hangup(struct tty_struct *tty) irq = hp->irq; hp->irq_requested = 0; spin_unlock_irqrestore(&hp->lock, flags); - if (irq != NO_IRQ) + if (irq) free_irq(irq, hp); while(temp_open_count) { --temp_open_count; @@ -528,7 +526,7 @@ static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count /* * This is actually a contract between the driver and the tty layer outlining - * how much write room the driver can guarentee will be sent OR BUFFERED. This + * how much write room the driver can guarantee will be sent OR BUFFERED. This * driver MUST honor the return value. */ static int hvc_write_room(struct tty_struct *tty) @@ -550,6 +548,18 @@ static int hvc_chars_in_buffer(struct tty_struct *tty) return hp->n_outbuf; } +/* + * timeout will vary between the MIN and MAX values defined here. By default + * and during console activity we will use a default MIN_TIMEOUT of 10. When + * the console is idle, we increase the timeout value on each pass through + * msleep until we reach the max. This may be noticeable as a brief (average + * one second) delay on the console before the console responds to input when + * there has been no input for some time. + */ +#define MIN_TIMEOUT (10) +#define MAX_TIMEOUT (2000) +static u32 timeout = MIN_TIMEOUT; + #define HVC_POLL_READ 0x00000001 #define HVC_POLL_WRITE 0x00000002 @@ -583,7 +593,7 @@ static int hvc_poll(struct hvc_struct *hp) /* If we aren't interrupt driven and aren't throttled, we always * request a reschedule */ - if (hp->irq == NO_IRQ) + if (hp->irq == 0) poll_mask |= HVC_POLL_READ; /* Read data if any */ @@ -642,9 +652,14 @@ static int hvc_poll(struct hvc_struct *hp) bail: spin_unlock_irqrestore(&hp->lock, flags); - if (read_total) + if (read_total) { + /* Activity is occurring, so reset the polling backoff value to + a minimum for performance. */ + timeout = MIN_TIMEOUT; + tty_flip_buffer_push(tty); - + } + return poll_mask; } @@ -688,8 +703,12 @@ int khvcd(void *unused) if (!hvc_kicked) { if (poll_mask == 0) schedule(); - else - msleep_interruptible(TIMEOUT); + else { + if (timeout < MAX_TIMEOUT) + timeout += (timeout >> 6) + 1; + + msleep_interruptible(timeout); + } } __set_current_state(TASK_RUNNING); } while (!kthread_should_stop()); @@ -794,7 +813,7 @@ int __devexit hvc_remove(struct hvc_struct *hp) /* * We 'put' the instance that was grabbed when the kobject instance - * was intialized using kobject_init(). Let the last holder of this + * was initialized using kobject_init(). Let the last holder of this * kobject cause it to be removed, which will probably be the tty_hangup * below. */ @@ -850,7 +869,7 @@ int __init hvc_init(void) } module_init(hvc_init); -/* This isn't particularily necessary due to this being a console driver +/* This isn't particularly necessary due to this being a console driver * but it is nice to be thorough. */ static void __exit hvc_exit(void) diff --git a/drivers/char/hvc_iseries.c b/drivers/char/hvc_iseries.c index f144a947bd17..ec420fe8a908 100644 --- a/drivers/char/hvc_iseries.c +++ b/drivers/char/hvc_iseries.c @@ -575,7 +575,7 @@ static int hvc_find_vtys(void) (num_found >= VTTY_PORTS)) break; - vtermno = get_property(vty, "reg", NULL); + vtermno = of_get_property(vty, "reg", NULL); if (!vtermno) continue; diff --git a/drivers/char/hvc_vio.c b/drivers/char/hvc_vio.c index f9c00844d2bf..94a542e20efb 100644 --- a/drivers/char/hvc_vio.c +++ b/drivers/char/hvc_vio.c @@ -153,7 +153,7 @@ static int hvc_find_vtys(void) if (num_found >= MAX_NR_HVC_CONSOLES) break; - vtermno = get_property(vty, "reg", NULL); + vtermno = of_get_property(vty, "reg", NULL); if (!vtermno) continue; diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c index 50315d6364fd..d5a752da322f 100644 --- a/drivers/char/hvsi.c +++ b/drivers/char/hvsi.c @@ -1279,8 +1279,8 @@ static int __init hvsi_console_init(void) struct hvsi_struct *hp; const uint32_t *vtermno, *irq; - vtermno = get_property(vty, "reg", NULL); - irq = get_property(vty, "interrupts", NULL); + vtermno = of_get_property(vty, "reg", NULL); + irq = of_get_property(vty, "interrupts", NULL); if (!vtermno || !irq) continue; diff --git a/drivers/char/ip2/i2lib.c b/drivers/char/ip2/i2lib.c index f86fa0c55d36..e46120d05b68 100644 --- a/drivers/char/ip2/i2lib.c +++ b/drivers/char/ip2/i2lib.c @@ -80,7 +80,7 @@ static int i2RetryFlushOutput(i2ChanStrPtr); // Not a documented part of the library routines (careful...) but the Diagnostic // i2diag.c finds them useful to help the throughput in certain limited // single-threaded operations. -static inline void iiSendPendingMail(i2eBordStrPtr); +static void iiSendPendingMail(i2eBordStrPtr); static void serviceOutgoingFifo(i2eBordStrPtr); // Functions defined in ip2.c as part of interrupt handling @@ -166,7 +166,7 @@ static void iiSendPendingMail_t(unsigned long data) // If any outgoing mail bits are set and there is outgoing mailbox is empty, // send the mail and clear the bits. //****************************************************************************** -static inline void +static void iiSendPendingMail(i2eBordStrPtr pB) { if (pB->i2eOutMailWaiting && (!pB->i2eWaitingForEmptyFifo) ) diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index a7b33d2f5991..e22146546add 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -2478,6 +2478,11 @@ static __devinit void default_find_bmc(void) if (!info) return; +#ifdef CONFIG_PPC_MERGE + if (check_legacy_ioport(ipmi_defaults[i].port)) + continue; +#endif + info->addr_source = NULL; info->si_type = ipmi_defaults[i].type; diff --git a/drivers/char/lcd.c b/drivers/char/lcd.c index d649abbf0857..1f0962616ee5 100644 --- a/drivers/char/lcd.c +++ b/drivers/char/lcd.c @@ -11,9 +11,6 @@ * March 2001: Ported from 2.0.34 by Liam Davies * */ - -#define RTC_IO_EXTENT 0x10 /*Only really two ports, but... */ - #include <linux/types.h> #include <linux/errno.h> #include <linux/miscdevice.h> @@ -32,8 +29,6 @@ #include "lcd.h" -static DEFINE_SPINLOCK(lcd_lock); - static int lcd_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg); @@ -409,138 +404,6 @@ static int lcd_ioctl(struct inode *inode, struct file *file, break; } -// Erase the flash - - case FLASH_Erase:{ - - int ctr = 0; - - if ( !capable(CAP_SYS_ADMIN) ) return -EPERM; - - pr_info(LCD "Erasing Flash\n"); - - // Chip Erase Sequence - WRITE_FLASH(kFlash_Addr1, kFlash_Data1); - WRITE_FLASH(kFlash_Addr2, kFlash_Data2); - WRITE_FLASH(kFlash_Addr1, kFlash_Erase3); - WRITE_FLASH(kFlash_Addr1, kFlash_Data1); - WRITE_FLASH(kFlash_Addr2, kFlash_Data2); - WRITE_FLASH(kFlash_Addr1, kFlash_Erase6); - - while ((!dqpoll(0x00000000, 0xFF)) - && (!timeout(0x00000000))) { - ctr++; - } - - if (READ_FLASH(0x07FFF0) == 0xFF) { - pr_info(LCD "Erase Successful\n"); - } else if (timeout) { - pr_info(LCD "Erase Timed Out\n"); - } - - break; - } - -// burn the flash - - case FLASH_Burn:{ - - volatile unsigned long burn_addr; - unsigned long flags; - unsigned int i, index; - unsigned char *rom; - - - struct lcd_display display; - - if ( !capable(CAP_SYS_ADMIN) ) return -EPERM; - - if (copy_from_user - (&display, (struct lcd_display *) arg, - sizeof(struct lcd_display))) - return -EFAULT; - rom = kmalloc((128), GFP_ATOMIC); - if (rom == NULL) { - printk(KERN_ERR LCD "kmalloc() failed in %s\n", - __FUNCTION__); - return -ENOMEM; - } - - pr_info(LCD "Starting Flash burn\n"); - for (i = 0; i < FLASH_SIZE; i = i + 128) { - - if (copy_from_user - (rom, display.RomImage + i, 128)) { - kfree(rom); - return -EFAULT; - } - burn_addr = kFlashBase + i; - spin_lock_irqsave(&lcd_lock, flags); - for (index = 0; index < (128); index++) { - - WRITE_FLASH(kFlash_Addr1, - kFlash_Data1); - WRITE_FLASH(kFlash_Addr2, - kFlash_Data2); - WRITE_FLASH(kFlash_Addr1, - kFlash_Prog); - *((volatile unsigned char *)burn_addr) = - (volatile unsigned char) rom[index]; - - while ((!dqpoll (burn_addr, - (volatile unsigned char) - rom[index])) && - (!timeout(burn_addr))) { } - burn_addr++; - } - spin_unlock_irqrestore(&lcd_lock, flags); - if (* ((volatile unsigned char *) - (burn_addr - 1)) == - (volatile unsigned char) - rom[index - 1]) { - } else if (timeout) { - pr_info(LCD "Flash burn timed out\n"); - } - - - } - kfree(rom); - - pr_info(LCD "Flash successfully burned\n"); - - break; - } - -// read the flash all at once - - case FLASH_Read:{ - - unsigned char *user_bytes; - volatile unsigned long read_addr; - unsigned int i; - - user_bytes = - &(((struct lcd_display *) arg)->RomImage[0]); - - if (!access_ok - (VERIFY_WRITE, user_bytes, FLASH_SIZE)) - return -EFAULT; - - pr_info(LCD "Reading Flash"); - for (i = 0; i < FLASH_SIZE; i++) { - unsigned char tmp_byte; - read_addr = kFlashBase + i; - tmp_byte = - *((volatile unsigned char *) - read_addr); - if (__put_user(tmp_byte, &user_bytes[i])) - return -EFAULT; - } - - - break; - } - default: return -EINVAL; @@ -644,42 +507,6 @@ static void __exit lcd_exit(void) misc_deregister(&lcd_dev); } -// -// Function: dqpoll -// -// Description: Polls the data lines to see if the flash is busy -// -// In: address, byte data -// -// Out: 0 = busy, 1 = write or erase complete -// -// - -static int dqpoll(volatile unsigned long address, volatile unsigned char data) -{ - volatile unsigned char dq7; - - dq7 = data & 0x80; - - return ((READ_FLASH(address) & 0x80) == dq7); -} - -// -// Function: timeout -// -// Description: Checks to see if erase or write has timed out -// By polling dq5 -// -// In: address -// -// -// Out: 0 = not timed out, 1 = timed out - -static int timeout(volatile unsigned long address) -{ - return (READ_FLASH(address) & 0x20) == 0x20; -} - module_init(lcd_init); module_exit(lcd_exit); diff --git a/drivers/char/lcd.h b/drivers/char/lcd.h index a8d4ae737158..290b3ff23b03 100644 --- a/drivers/char/lcd.h +++ b/drivers/char/lcd.h @@ -14,11 +14,7 @@ // function headers -static int dqpoll(volatile unsigned long, volatile unsigned char ); -static int timeout(volatile unsigned long); - #define LCD_CHARS_PER_LINE 40 -#define FLASH_SIZE 524288 #define MAX_IDLE_TIME 120 struct lcd_display { @@ -54,26 +50,6 @@ struct lcd_display { #define LCDTimeoutValue 0xfff -// Flash definitions AMD 29F040 -#define kFlashBase 0x0FC00000 - -#define kFlash_Addr1 0x5555 -#define kFlash_Addr2 0x2AAA -#define kFlash_Data1 0xAA -#define kFlash_Data2 0x55 -#define kFlash_Prog 0xA0 -#define kFlash_Erase3 0x80 -#define kFlash_Erase6 0x10 -#define kFlash_Read 0xF0 - -#define kFlash_ID 0x90 -#define kFlash_VenAddr 0x00 -#define kFlash_DevAddr 0x01 -#define kFlash_VenID 0x01 -#define kFlash_DevID 0xA4 // 29F040 -//#define kFlash_DevID 0xAD // 29F016 - - // Macros #define LCDWriteData(x) outl((x << 24), kLCD_DR) @@ -89,9 +65,6 @@ struct lcd_display { #define WRITE_GAL(x,y) outl(y, 0x04000000 | (x)) #define BusyCheck() while ((LCDReadInst & 0x80) == 0x80) -#define WRITE_FLASH(x,y) outb((char)y, kFlashBase | (x)) -#define READ_FLASH(x) (inb(kFlashBase | (x))) - /* @@ -124,11 +97,6 @@ struct lcd_display { // Button defs #define BUTTON_Read 50 -// Flash command codes -#define FLASH_Erase 60 -#define FLASH_Burn 61 -#define FLASH_Read 62 - // Ethernet LINK check hackaroo #define LINK_Check 90 diff --git a/drivers/char/mem.c b/drivers/char/mem.c index f5c160caf9f4..5f066963f171 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -248,7 +248,7 @@ static unsigned long get_unmapped_area_mem(struct file *file, { if (!valid_mmap_phys_addr_range(pgoff, len)) return (unsigned long) -EINVAL; - return pgoff; + return pgoff << PAGE_SHIFT; } /* can't do an in-place private mapping if there's no MMU */ diff --git a/drivers/char/mwave/3780i.c b/drivers/char/mwave/3780i.c index 4e4865e90e50..492dbfb2efd6 100644 --- a/drivers/char/mwave/3780i.c +++ b/drivers/char/mwave/3780i.c @@ -63,8 +63,6 @@ #include "3780i.h" static DEFINE_SPINLOCK(dsp_lock); -static unsigned long flags; - static void PaceMsaAccess(unsigned short usDspBaseIO) { @@ -76,6 +74,7 @@ static void PaceMsaAccess(unsigned short usDspBaseIO) unsigned short dsp3780I_ReadMsaCfg(unsigned short usDspBaseIO, unsigned long ulMsaAddr) { + unsigned long flags; unsigned short val; PRINTK_3(TRACE_3780I, @@ -96,6 +95,7 @@ unsigned short dsp3780I_ReadMsaCfg(unsigned short usDspBaseIO, void dsp3780I_WriteMsaCfg(unsigned short usDspBaseIO, unsigned long ulMsaAddr, unsigned short usValue) { + unsigned long flags; PRINTK_4(TRACE_3780I, "3780i::dsp3780i_WriteMsaCfg entry usDspBaseIO %x ulMsaAddr %lx usValue %x\n", @@ -175,6 +175,7 @@ int dsp3780I_EnableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings, unsigned short *pIrqMap, unsigned short *pDmaMap) { + unsigned long flags; unsigned short usDspBaseIO = pSettings->usDspBaseIO; int i; DSP_UART_CFG_1 rUartCfg1; @@ -354,6 +355,7 @@ int dsp3780I_EnableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings, int dsp3780I_DisableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings) { + unsigned long flags; unsigned short usDspBaseIO = pSettings->usDspBaseIO; DSP_ISA_SLAVE_CONTROL rSlaveControl; @@ -383,6 +385,7 @@ int dsp3780I_DisableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings) int dsp3780I_Reset(DSP_3780I_CONFIG_SETTINGS * pSettings) { + unsigned long flags; unsigned short usDspBaseIO = pSettings->usDspBaseIO; DSP_BOOT_DOMAIN rBootDomain; DSP_HBRIDGE_CONTROL rHBridgeControl; @@ -427,6 +430,7 @@ int dsp3780I_Reset(DSP_3780I_CONFIG_SETTINGS * pSettings) int dsp3780I_Run(DSP_3780I_CONFIG_SETTINGS * pSettings) { + unsigned long flags; unsigned short usDspBaseIO = pSettings->usDspBaseIO; DSP_BOOT_DOMAIN rBootDomain; DSP_HBRIDGE_CONTROL rHBridgeControl; @@ -473,6 +477,7 @@ int dsp3780I_Run(DSP_3780I_CONFIG_SETTINGS * pSettings) int dsp3780I_ReadDStore(unsigned short usDspBaseIO, void __user *pvBuffer, unsigned uCount, unsigned long ulDSPAddr) { + unsigned long flags; unsigned short __user *pusBuffer = pvBuffer; unsigned short val; @@ -514,6 +519,7 @@ int dsp3780I_ReadAndClearDStore(unsigned short usDspBaseIO, void __user *pvBuffer, unsigned uCount, unsigned long ulDSPAddr) { + unsigned long flags; unsigned short __user *pusBuffer = pvBuffer; unsigned short val; @@ -555,6 +561,7 @@ int dsp3780I_ReadAndClearDStore(unsigned short usDspBaseIO, int dsp3780I_WriteDStore(unsigned short usDspBaseIO, void __user *pvBuffer, unsigned uCount, unsigned long ulDSPAddr) { + unsigned long flags; unsigned short __user *pusBuffer = pvBuffer; @@ -596,6 +603,7 @@ int dsp3780I_WriteDStore(unsigned short usDspBaseIO, void __user *pvBuffer, int dsp3780I_ReadIStore(unsigned short usDspBaseIO, void __user *pvBuffer, unsigned uCount, unsigned long ulDSPAddr) { + unsigned long flags; unsigned short __user *pusBuffer = pvBuffer; PRINTK_5(TRACE_3780I, @@ -643,6 +651,7 @@ int dsp3780I_ReadIStore(unsigned short usDspBaseIO, void __user *pvBuffer, int dsp3780I_WriteIStore(unsigned short usDspBaseIO, void __user *pvBuffer, unsigned uCount, unsigned long ulDSPAddr) { + unsigned long flags; unsigned short __user *pusBuffer = pvBuffer; PRINTK_5(TRACE_3780I, @@ -691,6 +700,7 @@ int dsp3780I_WriteIStore(unsigned short usDspBaseIO, void __user *pvBuffer, int dsp3780I_GetIPCSource(unsigned short usDspBaseIO, unsigned short *pusIPCSource) { + unsigned long flags; DSP_HBRIDGE_CONTROL rHBridgeControl; unsigned short temp; diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index a61fb6da5d03..80a01150b86c 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -1338,43 +1338,23 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, unsigned int c * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking) * Caller should use TIOCGICOUNT to see which one it was */ - case TIOCMIWAIT: { - DECLARE_WAITQUEUE(wait, current); - int ret; + case TIOCMIWAIT: + spin_lock_irqsave(&info->slock, flags); + cnow = info->icount; /* note the counters on entry */ + spin_unlock_irqrestore(&info->slock, flags); + + wait_event_interruptible(info->delta_msr_wait, ({ + cprev = cnow; spin_lock_irqsave(&info->slock, flags); - cprev = info->icount; /* note the counters on entry */ + cnow = info->icount; /* atomic copy */ spin_unlock_irqrestore(&info->slock, flags); - add_wait_queue(&info->delta_msr_wait, &wait); - while (1) { - spin_lock_irqsave(&info->slock, flags); - cnow = info->icount; /* atomic copy */ - spin_unlock_irqrestore(&info->slock, flags); - - set_current_state(TASK_INTERRUPTIBLE); - if (((arg & TIOCM_RNG) && - (cnow.rng != cprev.rng)) || - ((arg & TIOCM_DSR) && - (cnow.dsr != cprev.dsr)) || - ((arg & TIOCM_CD) && - (cnow.dcd != cprev.dcd)) || - ((arg & TIOCM_CTS) && - (cnow.cts != cprev.cts))) { - ret = 0; - break; - } - /* see if a signal did it */ - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - cprev = cnow; - } - current->state = TASK_RUNNING; - remove_wait_queue(&info->delta_msr_wait, &wait); - break; - } - /* NOTREACHED */ + ((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) || + ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) || + ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) || + ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts)); + })); + break; /* * Get counter of input serial line interrupts (DCD,RI,DSR,CTS) * Return: write counters to the user passed counter struct diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c index 9af07e4999d5..f7603b6aeb87 100644 --- a/drivers/char/mxser_new.c +++ b/drivers/char/mxser_new.c @@ -1758,43 +1758,23 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking) * Caller should use TIOCGICOUNT to see which one it was */ - case TIOCMIWAIT: { - DECLARE_WAITQUEUE(wait, current); - int ret; + case TIOCMIWAIT: spin_lock_irqsave(&info->slock, flags); - cprev = info->icount; /* note the counters on entry */ + cnow = info->icount; /* note the counters on entry */ spin_unlock_irqrestore(&info->slock, flags); - add_wait_queue(&info->delta_msr_wait, &wait); - while (1) { + wait_event_interruptible(info->delta_msr_wait, ({ + cprev = cnow; spin_lock_irqsave(&info->slock, flags); cnow = info->icount; /* atomic copy */ spin_unlock_irqrestore(&info->slock, flags); - set_current_state(TASK_INTERRUPTIBLE); - if (((arg & TIOCM_RNG) && - (cnow.rng != cprev.rng)) || - ((arg & TIOCM_DSR) && - (cnow.dsr != cprev.dsr)) || - ((arg & TIOCM_CD) && - (cnow.dcd != cprev.dcd)) || - ((arg & TIOCM_CTS) && - (cnow.cts != cprev.cts))) { - ret = 0; - break; - } - /* see if a signal did it */ - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - cprev = cnow; - } - current->state = TASK_RUNNING; - remove_wait_queue(&info->delta_msr_wait, &wait); + ((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) || + ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) || + ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) || + ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts)); + })); break; - } - /* NOTREACHED */ /* * Get counter of input serial line interrupts (DCD,RI,DSR,CTS) * Return: write counters to the user passed counter struct @@ -2230,7 +2210,14 @@ end_intr: port->mon_data.rxcnt += cnt; port->mon_data.up_rxcnt += cnt; + /* + * We are called from an interrupt context with &port->slock + * being held. Drop it temporarily in order to prevent + * recursive locking. + */ + spin_unlock(&port->slock); tty_flip_buffer_push(tty); + spin_lock(&port->slock); } static void mxser_transmit_chars(struct mxser_port *port) diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 0e82968c2f38..f2e4ec4fd407 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -273,6 +273,7 @@ static ssize_t cm4040_read(struct file *filp, char __user *buf, DEBUGP(6, dev, "BytesToRead=%lu\n", bytes_to_read); min_bytes_to_read = min(count, bytes_to_read + 5); + min_bytes_to_read = min_t(size_t, min_bytes_to_read, READ_WRITE_BUFFER_SIZE); DEBUGP(6, dev, "Min=%lu\n", min_bytes_to_read); @@ -340,7 +341,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, return 0; } - if (count < 5) { + if ((count < 5) || (count > READ_WRITE_BUFFER_SIZE)) { DEBUGP(2, dev, "<- cm4040_write buffersize=%Zd < 5\n", count); return -EIO; } diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index 8d025e9b5bce..157b1d09ab55 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -4169,7 +4169,7 @@ static int hdlcdev_xmit(struct sk_buff *skb, struct net_device *dev) netif_stop_queue(dev); /* copy data to device buffers */ - memcpy(info->tx_buf, skb->data, skb->len); + skb_copy_from_linear_data(skb, info->tx_buf, skb->len); info->tx_get = 0; info->tx_put = info->tx_count = skb->len; diff --git a/drivers/char/random.c b/drivers/char/random.c index b9dc7aa1dfb3..46c1b97748b6 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -881,15 +881,15 @@ EXPORT_SYMBOL(get_random_bytes); */ static void init_std_data(struct entropy_store *r) { - struct timeval tv; + ktime_t now; unsigned long flags; spin_lock_irqsave(&r->lock, flags); r->entropy_count = 0; spin_unlock_irqrestore(&r->lock, flags); - do_gettimeofday(&tv); - add_entropy_words(r, (__u32 *)&tv, sizeof(tv)/4); + now = ktime_get_real(); + add_entropy_words(r, (__u32 *)&now, sizeof(now)/4); add_entropy_words(r, (__u32 *)utsname(), sizeof(*(utsname()))/4); } @@ -911,14 +911,12 @@ void rand_initialize_irq(int irq) return; /* - * If kmalloc returns null, we just won't use that entropy + * If kzalloc returns null, we just won't use that entropy * source. */ - state = kmalloc(sizeof(struct timer_rand_state), GFP_KERNEL); - if (state) { - memset(state, 0, sizeof(struct timer_rand_state)); + state = kzalloc(sizeof(struct timer_rand_state), GFP_KERNEL); + if (state) irq_timer_state[irq] = state; - } } #ifdef CONFIG_BLOCK @@ -927,14 +925,12 @@ void rand_initialize_disk(struct gendisk *disk) struct timer_rand_state *state; /* - * If kmalloc returns null, we just won't use that entropy + * If kzalloc returns null, we just won't use that entropy * source. */ - state = kmalloc(sizeof(struct timer_rand_state), GFP_KERNEL); - if (state) { - memset(state, 0, sizeof(struct timer_rand_state)); + state = kzalloc(sizeof(struct timer_rand_state), GFP_KERNEL); + if (state) disk->random = state; - } } #endif @@ -1469,7 +1465,6 @@ late_initcall(seqgen_init); __u32 secure_tcpv6_sequence_number(__be32 *saddr, __be32 *daddr, __be16 sport, __be16 dport) { - struct timeval tv; __u32 seq; __u32 hash[12]; struct keydata *keyptr = get_keyptr(); @@ -1485,8 +1480,7 @@ __u32 secure_tcpv6_sequence_number(__be32 *saddr, __be32 *daddr, seq = twothirdsMD4Transform((const __u32 *)daddr, hash) & HASH_MASK; seq += keyptr->count; - do_gettimeofday(&tv); - seq += tv.tv_usec + tv.tv_sec * 1000000; + seq += ktime_get_real().tv64; return seq; } @@ -1521,7 +1515,6 @@ __u32 secure_ip_id(__be32 daddr) __u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr, __be16 sport, __be16 dport) { - struct timeval tv; __u32 seq; __u32 hash[4]; struct keydata *keyptr = get_keyptr(); @@ -1543,12 +1536,11 @@ __u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr, * As close as possible to RFC 793, which * suggests using a 250 kHz clock. * Further reading shows this assumes 2 Mb/s networks. - * For 10 Mb/s Ethernet, a 1 MHz clock is appropriate. + * For 10 Gb/s Ethernet, a 1 GHz clock is appropriate. * That's funny, Linux has one built in! Use it! * (Networks are faster now - should this be increased?) */ - do_gettimeofday(&tv); - seq += tv.tv_usec + tv.tv_sec * 1000000; + seq += ktime_get_real().tv64; #if 0 printk("init_seq(%lx, %lx, %d, %d) = %d\n", saddr, daddr, sport, dport, seq); @@ -1556,8 +1548,6 @@ __u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr, return seq; } -EXPORT_SYMBOL(secure_tcp_sequence_number); - /* Generate secure starting point for ephemeral IPV4 transport port search */ u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport) { @@ -1598,7 +1588,6 @@ u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr, __be16 u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr, __be16 sport, __be16 dport) { - struct timeval tv; u64 seq; __u32 hash[4]; struct keydata *keyptr = get_keyptr(); @@ -1611,8 +1600,7 @@ u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr, seq = half_md4_transform(hash, keyptr->secret); seq |= ((u64)keyptr->count) << (32 - HASH_BITS); - do_gettimeofday(&tv); - seq += tv.tv_usec + tv.tv_sec * 1000000; + seq += ktime_get_real().tv64; seq &= (1ull << 48) - 1; #if 0 printk("dccp init_seq(%lx, %lx, %d, %d) = %d\n", diff --git a/drivers/char/rio/rio_linux.c b/drivers/char/rio/rio_linux.c index 85c161845260..294e9cb0c449 100644 --- a/drivers/char/rio/rio_linux.c +++ b/drivers/char/rio/rio_linux.c @@ -1146,7 +1146,7 @@ static int __init rio_init(void) rio_dprintk(RIO_DEBUG_INIT, "Enabling interrupts on rio card.\n"); hp->Mode |= RIO_PCI_INT_ENABLE; } else - hp->Mode &= !RIO_PCI_INT_ENABLE; + hp->Mode &= ~RIO_PCI_INT_ENABLE; rio_dprintk(RIO_DEBUG_INIT, "New Mode: %x\n", hp->Mode); rio_start_card_running(hp); } diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c index 78237577b05a..3ef593a9015f 100644 --- a/drivers/char/sonypi.c +++ b/drivers/char/sonypi.c @@ -1,6 +1,8 @@ /* * Sony Programmable I/O Control Device driver for VAIO * + * Copyright (C) 2007 Mattia Dongili <malattia@linux.it> + * * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net> * * Copyright (C) 2005 Narayanan R S <nars@kadamba.org> @@ -95,6 +97,11 @@ module_param(useinput, int, 0444); MODULE_PARM_DESC(useinput, "set this if you would like sonypi to feed events to the input subsystem"); +static int check_ioport = 1; +module_param(check_ioport, int, 0444); +MODULE_PARM_DESC(check_ioport, + "set this to 0 if you think the automatic ioport check for sony-laptop is wrong"); + #define SONYPI_DEVICE_MODEL_TYPE1 1 #define SONYPI_DEVICE_MODEL_TYPE2 2 #define SONYPI_DEVICE_MODEL_TYPE3 3 @@ -477,7 +484,7 @@ static struct sonypi_device { u16 evtype_offset; int camera_power; int bluetooth_power; - struct semaphore lock; + struct mutex lock; struct kfifo *fifo; spinlock_t fifo_lock; wait_queue_head_t fifo_proc_list; @@ -884,7 +891,7 @@ int sonypi_camera_command(int command, u8 value) if (!camera) return -EIO; - down(&sonypi_device.lock); + mutex_lock(&sonypi_device.lock); switch (command) { case SONYPI_COMMAND_SETCAMERA: @@ -919,7 +926,7 @@ int sonypi_camera_command(int command, u8 value) command); break; } - up(&sonypi_device.lock); + mutex_unlock(&sonypi_device.lock); return 0; } @@ -938,20 +945,20 @@ static int sonypi_misc_fasync(int fd, struct file *filp, int on) static int sonypi_misc_release(struct inode *inode, struct file *file) { sonypi_misc_fasync(-1, file, 0); - down(&sonypi_device.lock); + mutex_lock(&sonypi_device.lock); sonypi_device.open_count--; - up(&sonypi_device.lock); + mutex_unlock(&sonypi_device.lock); return 0; } static int sonypi_misc_open(struct inode *inode, struct file *file) { - down(&sonypi_device.lock); + mutex_lock(&sonypi_device.lock); /* Flush input queue on first open */ if (!sonypi_device.open_count) kfifo_reset(sonypi_device.fifo); sonypi_device.open_count++; - up(&sonypi_device.lock); + mutex_unlock(&sonypi_device.lock); return 0; } @@ -1001,7 +1008,7 @@ static int sonypi_misc_ioctl(struct inode *ip, struct file *fp, u8 val8; u16 val16; - down(&sonypi_device.lock); + mutex_lock(&sonypi_device.lock); switch (cmd) { case SONYPI_IOCGBRT: if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) { @@ -1101,7 +1108,7 @@ static int sonypi_misc_ioctl(struct inode *ip, struct file *fp, default: ret = -EINVAL; } - up(&sonypi_device.lock); + mutex_unlock(&sonypi_device.lock); return ret; } @@ -1260,6 +1267,28 @@ static int __devinit sonypi_create_input_devices(void) static int __devinit sonypi_setup_ioports(struct sonypi_device *dev, const struct sonypi_ioport_list *ioport_list) { + /* try to detect if sony-laptop is being used and thus + * has already requested one of the known ioports. + * As in the deprecated check_region this is racy has we have + * multiple ioports available and one of them can be requested + * between this check and the subsequent request. Anyway, as an + * attempt to be some more user-friendly as we currently are, + * this is enough. + */ + const struct sonypi_ioport_list *check = ioport_list; + while (check_ioport && check->port1) { + if (!request_region(check->port1, + sonypi_device.region_size, + "Sony Programable I/O Device Check")) { + printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? " + "if not use check_ioport=0\n", + check->port1); + return -EBUSY; + } + release_region(check->port1, sonypi_device.region_size); + check++; + } + while (ioport_list->port1) { if (request_region(ioport_list->port1, @@ -1321,6 +1350,10 @@ static int __devinit sonypi_probe(struct platform_device *dev) struct pci_dev *pcidev; int error; + printk(KERN_WARNING "sonypi: please try the sony-laptop module instead " + "and report failures, see also " + "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n"); + spin_lock_init(&sonypi_device.fifo_lock); sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL, &sonypi_device.fifo_lock); @@ -1330,7 +1363,7 @@ static int __devinit sonypi_probe(struct platform_device *dev) } init_waitqueue_head(&sonypi_device.fifo_proc_list); - init_MUTEX(&sonypi_device.lock); + mutex_init(&sonypi_device.lock); sonypi_device.bluetooth_power = -1; if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, diff --git a/drivers/char/tpm/tpm_atmel.h b/drivers/char/tpm/tpm_atmel.h index aefd683c60b7..3c852009196e 100644 --- a/drivers/char/tpm/tpm_atmel.h +++ b/drivers/char/tpm/tpm_atmel.h @@ -53,8 +53,8 @@ static void __iomem * atmel_get_base_addr(unsigned long *base, int *region_size) } reg = get_property(dn, "reg", ®len); - naddrc = prom_n_addr_cells(dn); - nsizec = prom_n_size_cells(dn); + naddrc = of_n_addr_cells(dn); + nsizec = of_n_size_cells(dn); of_node_put(dn); diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 5289254e7ab3..7a32df594907 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1376,6 +1376,8 @@ static void do_tty_hangup(struct work_struct *work) read_unlock(&tasklist_lock); tty->flags = 0; + put_pid(tty->session); + put_pid(tty->pgrp); tty->session = NULL; tty->pgrp = NULL; tty->ctrl_status = 0; @@ -1533,7 +1535,7 @@ void disassociate_ctty(int on_exit) spin_lock_irq(¤t->sighand->siglock); tty_pgrp = current->signal->tty_old_pgrp; - current->signal->tty_old_pgrp = 0; + current->signal->tty_old_pgrp = NULL; spin_unlock_irq(¤t->sighand->siglock); put_pid(tty_pgrp); @@ -1901,6 +1903,20 @@ static int init_dev(struct tty_driver *driver, int idx, /* check whether we're reopening an existing tty */ if (driver->flags & TTY_DRIVER_DEVPTS_MEM) { tty = devpts_get_tty(idx); + /* + * If we don't have a tty here on a slave open, it's because + * the master already started the close process and there's + * no relation between devpts file and tty anymore. + */ + if (!tty && driver->subtype == PTY_TYPE_SLAVE) { + retval = -EIO; + goto end_init; + } + /* + * It's safe from now on because init_dev() is called with + * tty_mutex held and release_dev() won't change tty->count + * or tty->flags without having to grab tty_mutex + */ if (tty && driver->subtype == PTY_TYPE_MASTER) tty = tty->link; } else { @@ -3713,15 +3729,14 @@ int tty_register_driver(struct tty_driver *driver) if (!driver->major) { error = alloc_chrdev_region(&dev, driver->minor_start, driver->num, - (char*)driver->name); + driver->name); if (!error) { driver->major = MAJOR(dev); driver->minor_start = MINOR(dev); } } else { dev = MKDEV(driver->major, driver->minor_start); - error = register_chrdev_region(dev, driver->num, - (char*)driver->name); + error = register_chrdev_region(dev, driver->num, driver->name); } if (error < 0) { kfree(p); @@ -3828,6 +3843,9 @@ static struct pid *__proc_set_tty(struct task_struct *tsk, struct tty_struct *tt { struct pid *old_pgrp; if (tty) { + /* We should not have a session or pgrp to here but.... */ + put_pid(tty->session); + put_pid(tty->pgrp); tty->session = get_pid(task_session(tsk)); tty->pgrp = get_pid(task_pgrp(tsk)); } diff --git a/drivers/char/vt.c b/drivers/char/vt.c index c3f8e383933b..1bbb45b937fd 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -724,6 +724,7 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */ return -ENOMEM; memset(vc, 0, sizeof(*vc)); vc_cons[currcons].d = vc; + INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK); visual_init(vc, currcons, 1); if (!*vc->vc_uni_pagedir_loc) con_set_default_unimap(vc); @@ -2185,10 +2186,28 @@ static void console_callback(struct work_struct *ignored) release_console_sem(); } -void set_console(int nr) +int set_console(int nr) { + struct vc_data *vc = vc_cons[fg_console].d; + + if (!vc_cons_allocated(nr) || vt_dont_switch || + (vc->vt_mode.mode == VT_AUTO && vc->vc_mode == KD_GRAPHICS)) { + + /* + * Console switch will fail in console_callback() or + * change_console() so there is no point scheduling + * the callback + * + * Existing set_console() users don't check the return + * value so this shouldn't break anything + */ + return -EINVAL; + } + want_console = nr; schedule_console_callback(); + + return 0; } struct tty_driver *console_driver; diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c index 3a5d301e783b..c9f2dd620e87 100644 --- a/drivers/char/vt_ioctl.c +++ b/drivers/char/vt_ioctl.c @@ -34,7 +34,7 @@ #include <linux/kbd_diacr.h> #include <linux/selection.h> -static char vt_dont_switch; +char vt_dont_switch; extern struct tty_driver *console_driver; #define VT_IS_IN_USE(i) (console_driver->ttys[i] && console_driver->ttys[i]->count) @@ -1039,10 +1039,22 @@ int vt_waitactive(int vt) add_wait_queue(&vt_activate_queue, &wait); for (;;) { - set_current_state(TASK_INTERRUPTIBLE); retval = 0; - if (vt == fg_console) + + /* + * Synchronize with redraw_screen(). By acquiring the console + * semaphore we make sure that the console switch is completed + * before we return. If we didn't wait for the semaphore, we + * could return at a point where fg_console has already been + * updated, but the console switch hasn't been completed. + */ + acquire_console_sem(); + set_current_state(TASK_INTERRUPTIBLE); + if (vt == fg_console) { + release_console_sem(); break; + } + release_console_sem(); retval = -EINTR; if (signal_pending(current)) break; diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig index ea09d0c974ea..60198a78974c 100644 --- a/drivers/char/watchdog/Kconfig +++ b/drivers/char/watchdog/Kconfig @@ -301,6 +301,7 @@ config I6300ESB_WDT config I8XX_TCO tristate "Intel i8xx TCO Timer/Watchdog" depends on WATCHDOG && (X86 || IA64) && PCI + default n ---help--- Hardware driver for the TCO timer built into the Intel 82801 I/O Controller Hub family. The TCO (Total Cost of Ownership) @@ -547,7 +548,7 @@ config MV64X60_WDT depends on WATCHDOG && MV64X60 config BOOKE_WDT - tristate "PowerPC Book-E Watchdog Timer" + bool "PowerPC Book-E Watchdog Timer" depends on WATCHDOG && (BOOKE || 4xx) ---help--- Please see Documentation/watchdog/watchdog-api.txt for diff --git a/drivers/char/watchdog/machzwd.c b/drivers/char/watchdog/machzwd.c index 81fb3dec180f..76c7fa37fa6c 100644 --- a/drivers/char/watchdog/machzwd.c +++ b/drivers/char/watchdog/machzwd.c @@ -314,21 +314,21 @@ static int zf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, { void __user *argp = (void __user *)arg; int __user *p = argp; - switch(cmd){ - case WDIOC_GETSUPPORT: - if (copy_to_user(argp, &zf_info, sizeof(zf_info))) - return -EFAULT; - break; + switch (cmd) { + case WDIOC_GETSUPPORT: + if (copy_to_user(argp, &zf_info, sizeof(zf_info))) + return -EFAULT; + break; - case WDIOC_GETSTATUS: - return put_user(0, p); + case WDIOC_GETSTATUS: + return put_user(0, p); - case WDIOC_KEEPALIVE: - zf_ping(NULL); - break; + case WDIOC_KEEPALIVE: + zf_ping(0); + break; - default: - return -ENOTTY; + default: + return -ENOTTY; } return 0; |