diff options
Diffstat (limited to 'arch/arm/mach-s5p6440/include/mach/pwm-clock.h')
-rw-r--r-- | arch/arm/mach-s5p6440/include/mach/pwm-clock.h | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/arch/arm/mach-s5p6440/include/mach/pwm-clock.h b/arch/arm/mach-s5p6440/include/mach/pwm-clock.h index c4bb7c555477..6a2a02fdf12a 100644 --- a/arch/arm/mach-s5p6440/include/mach/pwm-clock.h +++ b/arch/arm/mach-s5p6440/include/mach/pwm-clock.h | |||
@@ -1,11 +1,14 @@ | |||
1 | /* linux/arch/arm/mach-s5p6440/include/mach/pwm-clock.h | 1 | /* linux/arch/arm/mach-s5p6440/include/mach/pwm-clock.h |
2 | * | 2 | * |
3 | * Copyright (c) 2009 Samsung Electronics Co., Ltd. | ||
4 | * http://www.samsung.com/ | ||
5 | * | ||
6 | * Copyright 2008 Openmoko, Inc. | ||
3 | * Copyright 2008 Simtec Electronics | 7 | * Copyright 2008 Simtec Electronics |
4 | * Ben Dooks <ben@simtec.co.uk> | 8 | * Ben Dooks <ben@simtec.co.uk> |
5 | * http://armlinux.simtec.co.uk/ | 9 | * http://armlinux.simtec.co.uk/ |
6 | * | 10 | * |
7 | * Copyright 2009 Samsung Electronics Co., Ltd. | 11 | * Based on arch/arm/mach-s3c64xx/include/mach/pwm-clock.h |
8 | * http://www.samsung.com/ | ||
9 | * | 12 | * |
10 | * S5P6440 - pwm clock and timer support | 13 | * S5P6440 - pwm clock and timer support |
11 | * | 14 | * |
@@ -14,16 +17,19 @@ | |||
14 | * published by the Free Software Foundation. | 17 | * published by the Free Software Foundation. |
15 | */ | 18 | */ |
16 | 19 | ||
20 | #ifndef __ASM_ARCH_PWMCLK_H | ||
21 | #define __ASM_ARCH_PWMCLK_H __FILE__ | ||
22 | |||
17 | /** | 23 | /** |
18 | * pwm_cfg_src_is_tclk() - return whether the given mux config is a tclk | 24 | * pwm_cfg_src_is_tclk() - return whether the given mux config is a tclk |
19 | * @cfg: The timer TCFG1 register bits shifted down to 0. | 25 | * @tcfg: The timer TCFG1 register bits shifted down to 0. |
20 | * | 26 | * |
21 | * Return true if the given configuration from TCFG1 is a TCLK instead | 27 | * Return true if the given configuration from TCFG1 is a TCLK instead |
22 | * any of the TDIV clocks. | 28 | * any of the TDIV clocks. |
23 | */ | 29 | */ |
24 | static inline int pwm_cfg_src_is_tclk(unsigned long tcfg) | 30 | static inline int pwm_cfg_src_is_tclk(unsigned long tcfg) |
25 | { | 31 | { |
26 | return tcfg == S3C2410_TCFG1_MUX_TCLK; | 32 | return 0; |
27 | } | 33 | } |
28 | 34 | ||
29 | /** | 35 | /** |
@@ -35,7 +41,7 @@ static inline int pwm_cfg_src_is_tclk(unsigned long tcfg) | |||
35 | */ | 41 | */ |
36 | static inline unsigned long tcfg_to_divisor(unsigned long tcfg1) | 42 | static inline unsigned long tcfg_to_divisor(unsigned long tcfg1) |
37 | { | 43 | { |
38 | return 1 << (1 + tcfg1); | 44 | return 1 << tcfg1; |
39 | } | 45 | } |
40 | 46 | ||
41 | /** | 47 | /** |
@@ -45,7 +51,7 @@ static inline unsigned long tcfg_to_divisor(unsigned long tcfg1) | |||
45 | */ | 51 | */ |
46 | static inline unsigned int pwm_tdiv_has_div1(void) | 52 | static inline unsigned int pwm_tdiv_has_div1(void) |
47 | { | 53 | { |
48 | return 0; | 54 | return 1; |
49 | } | 55 | } |
50 | 56 | ||
51 | /** | 57 | /** |
@@ -56,7 +62,9 @@ static inline unsigned int pwm_tdiv_has_div1(void) | |||
56 | */ | 62 | */ |
57 | static inline unsigned long pwm_tdiv_div_bits(unsigned int div) | 63 | static inline unsigned long pwm_tdiv_div_bits(unsigned int div) |
58 | { | 64 | { |
59 | return ilog2(div) - 1; | 65 | return ilog2(div); |
60 | } | 66 | } |
61 | 67 | ||
62 | #define S3C_TCFG1_MUX_TCLK S3C2410_TCFG1_MUX_TCLK | 68 | #define S3C_TCFG1_MUX_TCLK 0 |
69 | |||
70 | #endif /* __ASM_ARCH_PWMCLK_H */ | ||