From e76beeebff09b6a5eb338f306349ddc451a7804d Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Mon, 28 Nov 2005 13:12:51 +0000 Subject: [MIPS] Qemu: Qemu is emulating a 1193.182kHz i8254 PIC. From Daniel Jacobowitz . Signed-off-by: Ralf Baechle --- include/asm-mips/mach-qemu/timex.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 include/asm-mips/mach-qemu/timex.h (limited to 'include') diff --git a/include/asm-mips/mach-qemu/timex.h b/include/asm-mips/mach-qemu/timex.h new file mode 100644 index 0000000..cd54369 --- /dev/null +++ b/include/asm-mips/mach-qemu/timex.h @@ -0,0 +1,16 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2005 Daniel Jacobowitz + */ +#ifndef __ASM_MACH_QEMU_TIMEX_H +#define __ASM_MACH_QEMU_TIMEX_H + +/* + * We use a simulated i8254 PIC... + */ +#define CLOCK_TICK_RATE 1193182 + +#endif /* __ASM_MACH_QEMU_TIMEX_H */ -- cgit v1.1 From 00b4c90787298349b799069360ced9ca843153dc Mon Sep 17 00:00:00 2001 From: Russell King Date: Thu, 1 Dec 2005 15:47:24 +0000 Subject: [ARM SMP] Use event instructions for spinlocks ARMv6K CPUs have SEV (send event) and WFE (wait for event) instructions which allow the CPU clock to be suspended until another CPU issues a SEV, rather than spinning on the lock wasting power. Make use of these instructions. Note that WFE does not wait if an event has been sent since the last WFE cleared the event status, so although it may look racy, the instruction implementation ensures that these are dealt with. Signed-off-by: Russell King --- include/asm-arm/spinlock.h | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/include/asm-arm/spinlock.h b/include/asm-arm/spinlock.h index 6ed4f91..43ad4e5 100644 --- a/include/asm-arm/spinlock.h +++ b/include/asm-arm/spinlock.h @@ -30,6 +30,9 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock) __asm__ __volatile__( "1: ldrex %0, [%1]\n" " teq %0, #0\n" +#ifdef CONFIG_CPU_32v6K +" wfene\n" +#endif " strexeq %0, %2, [%1]\n" " teqeq %0, #0\n" " bne 1b" @@ -65,7 +68,11 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock) smp_mb(); __asm__ __volatile__( -" str %1, [%0]" +" str %1, [%0]\n" +#ifdef CONFIG_CPU_32v6K +" mcr p15, 0, %1, c7, c10, 4\n" /* DSB */ +" sev" +#endif : : "r" (&lock->lock), "r" (0) : "cc"); @@ -87,6 +94,9 @@ static inline void __raw_write_lock(raw_rwlock_t *rw) __asm__ __volatile__( "1: ldrex %0, [%1]\n" " teq %0, #0\n" +#ifdef CONFIG_CPU_32v6K +" wfene\n" +#endif " strexeq %0, %2, [%1]\n" " teq %0, #0\n" " bne 1b" @@ -122,7 +132,11 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw) smp_mb(); __asm__ __volatile__( - "str %1, [%0]" + "str %1, [%0]\n" +#ifdef CONFIG_CPU_32v6K +" mcr p15, 0, %1, c7, c10, 4\n" /* DSB */ +" sev\n" +#endif : : "r" (&rw->lock), "r" (0) : "cc"); @@ -148,6 +162,9 @@ static inline void __raw_read_lock(raw_rwlock_t *rw) "1: ldrex %0, [%2]\n" " adds %0, %0, #1\n" " strexpl %1, %0, [%2]\n" +#ifdef CONFIG_CPU_32v6K +" wfemi\n" +#endif " rsbpls %0, %1, #0\n" " bmi 1b" : "=&r" (tmp), "=&r" (tmp2) @@ -169,6 +186,11 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw) " strex %1, %0, [%2]\n" " teq %1, #0\n" " bne 1b" +#ifdef CONFIG_CPU_32v6K +"\n cmp %0, #0\n" +" mcreq p15, 0, %0, c7, c10, 4\n" +" seveq" +#endif : "=&r" (tmp), "=&r" (tmp2) : "r" (&rw->lock) : "cc"); -- cgit v1.1 From 11849fe67430ba48547e17b25a7831da29863efa Mon Sep 17 00:00:00 2001 From: Arthur Othieno Date: Thu, 1 Dec 2005 20:58:01 +0000 Subject: [ARM] sema_count() removal sema_count() defined only for ARM but not used anywhere. Signed-off-by: Arthur Othieno Signed-off-by: Andrew Morton Signed-off-by: Russell King --- include/asm-arm/semaphore.h | 5 ----- 1 file changed, 5 deletions(-) (limited to 'include') diff --git a/include/asm-arm/semaphore.h b/include/asm-arm/semaphore.h index 71ca7d4..d5dc624 100644 --- a/include/asm-arm/semaphore.h +++ b/include/asm-arm/semaphore.h @@ -47,11 +47,6 @@ static inline void init_MUTEX_LOCKED(struct semaphore *sem) sema_init(sem, 0); } -static inline int sema_count(struct semaphore *sem) -{ - return atomic_read(&sem->count); -} - /* * special register calling convention */ -- cgit v1.1 From 3ca0ea980697d3b3c3d5c13ba7e525ed6c434756 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Thu, 1 Dec 2005 00:51:27 -0800 Subject: [PATCH] V4L: tveeprom MAC address parsing/cleanup - Added a mac address field to the tveeprom structure. - allow callers to query the MAC address. - removed some redundant eeprom parsing code in cx88-cards.c (specific to Hauppauge DVB products) Instead, placed calls directly to the single eeprom parsing function in tveeprom.c Signed-off-by: Steven Toth Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/media/tveeprom.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include') diff --git a/include/media/tveeprom.h b/include/media/tveeprom.h index e2035c7..9793008 100644 --- a/include/media/tveeprom.h +++ b/include/media/tveeprom.h @@ -4,6 +4,7 @@ struct tveeprom { u32 has_radio; u32 has_ir; /* 0: no IR, 1: IR present, 2: unknown */ + u32 has_MAC_address; /* 0: no MAC, 1: MAC present, 2: unknown */ u32 tuner_type; u32 tuner_formats; @@ -21,6 +22,7 @@ struct tveeprom { u32 revision; u32 serial_number; char rev_str[5]; + u8 MAC_address[6]; }; void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee, -- cgit v1.1 From 769e24382dd47434dfda681f360868c4acd8b6e2 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 1 Dec 2005 00:51:35 -0800 Subject: [PATCH] V4L: Some funcions now static and I2C hw code for IR - Some funcions are now declared as static - Added a I2C code for InfraRed. Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/i2c-id.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h index 1543daa..ef3b563 100644 --- a/include/linux/i2c-id.h +++ b/include/linux/i2c-id.h @@ -108,6 +108,7 @@ #define I2C_DRIVERID_SAA7127 72 /* saa7124 video encoder */ #define I2C_DRIVERID_SAA711X 73 /* saa711x video encoders */ #define I2C_DRIVERID_AKITAIOEXP 74 /* IO Expander on Sharp SL-C1000 */ +#define I2C_DRIVERID_I2C_IR 75 /* I2C InfraRed on Video boards */ #define I2C_DRIVERID_EXP0 0xF0 /* experimental use id's */ #define I2C_DRIVERID_EXP1 0xF1 -- cgit v1.1 From f95006f89576cac504323daa53157013bf099fc9 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Thu, 1 Dec 2005 00:51:42 -0800 Subject: [PATCH] V4L: Add workaround for Hauppauge PVR150 with certain NTSC tuner models Add workaround for Hauppauge PVR150 hardware problem with tuner models 85, 99 and 112 (model numbers as reported by tveeprom). The audio standard autodetection does not always work correctly for these models. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/media/tveeprom.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include') diff --git a/include/media/tveeprom.h b/include/media/tveeprom.h index 9793008..e9fc1a7 100644 --- a/include/media/tveeprom.h +++ b/include/media/tveeprom.h @@ -8,9 +8,11 @@ struct tveeprom { u32 tuner_type; u32 tuner_formats; + u32 tuner_hauppauge_model; u32 tuner2_type; u32 tuner2_formats; + u32 tuner2_hauppauge_model; u32 digitizer; u32 digitizer_formats; -- cgit v1.1