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author | Michael Sevakis <jethead71@rockbox.org> | 2010-04-23 15:32:50 +0000 |
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committer | Michael Sevakis <jethead71@rockbox.org> | 2010-04-23 15:32:50 +0000 |
commit | 11cca264ff57ad0b234bd1cd2c9a2366b967feb7 (patch) | |
tree | 7693e7150d5abc9687966cc248bfbd550d356964 /firmware/target/arm/imx31/mc13783-imx31.c | |
parent | 6cee7579dbdc4d41c4df08c9395cf96c952ebab1 (diff) | |
download | rockbox-11cca264ff57ad0b234bd1cd2c9a2366b967feb7.tar.gz rockbox-11cca264ff57ad0b234bd1cd2c9a2366b967feb7.zip |
i.MX31/Gigabeat S: Implement frequency and voltage scaling-- 1.6V for 528MHz, and 1.35V for 264MHz and 132MHz. Keep DPTC overdrive ( > 400MHz) voltage scaling off for now because of uncertainties. Simplify the (working) mess later.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25699 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/imx31/mc13783-imx31.c')
-rw-r--r-- | firmware/target/arm/imx31/mc13783-imx31.c | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/firmware/target/arm/imx31/mc13783-imx31.c b/firmware/target/arm/imx31/mc13783-imx31.c index 1c43b3b6fa..a083614488 100644 --- a/firmware/target/arm/imx31/mc13783-imx31.c +++ b/firmware/target/arm/imx31/mc13783-imx31.c | |||
@@ -26,10 +26,6 @@ | |||
26 | #include "debug.h" | 26 | #include "debug.h" |
27 | #include "kernel.h" | 27 | #include "kernel.h" |
28 | 28 | ||
29 | #ifdef BOOTLOADER | ||
30 | #define PMIC_DRIVER_CLOSE | ||
31 | #endif | ||
32 | |||
33 | extern const struct mc13783_event_list mc13783_event_list; | 29 | extern const struct mc13783_event_list mc13783_event_list; |
34 | extern struct spi_node mc13783_spi; | 30 | extern struct spi_node mc13783_spi; |
35 | 31 | ||
@@ -47,10 +43,7 @@ static const unsigned char pmic_intm_regs[2] = | |||
47 | static const unsigned char pmic_ints_regs[2] = | 43 | static const unsigned char pmic_ints_regs[2] = |
48 | { MC13783_INTERRUPT_STATUS0, MC13783_INTERRUPT_STATUS1 }; | 44 | { MC13783_INTERRUPT_STATUS0, MC13783_INTERRUPT_STATUS1 }; |
49 | 45 | ||
50 | #ifdef PMIC_DRIVER_CLOSE | 46 | static volatile unsigned int mc13783_thread_id = 0; |
51 | static bool pmic_close = false; | ||
52 | static unsigned int mc13783_thread_id = 0; | ||
53 | #endif | ||
54 | 47 | ||
55 | static void mc13783_interrupt_thread(void) | 48 | static void mc13783_interrupt_thread(void) |
56 | { | 49 | { |
@@ -65,10 +58,8 @@ static void mc13783_interrupt_thread(void) | |||
65 | 58 | ||
66 | wakeup_wait(&mc13783_wake, TIMEOUT_BLOCK); | 59 | wakeup_wait(&mc13783_wake, TIMEOUT_BLOCK); |
67 | 60 | ||
68 | #ifdef PMIC_DRIVER_CLOSE | 61 | if (mc13783_thread_id == 0) |
69 | if (pmic_close) | ||
70 | break; | 62 | break; |
71 | #endif | ||
72 | 63 | ||
73 | mc13783_read_regset(pmic_ints_regs, pending, 2); | 64 | mc13783_read_regset(pmic_ints_regs, pending, 2); |
74 | 65 | ||
@@ -107,9 +98,7 @@ static void mc13783_interrupt_thread(void) | |||
107 | while (++event < event_last); | 98 | while (++event < event_last); |
108 | } | 99 | } |
109 | 100 | ||
110 | #ifdef PMIC_DRIVER_CLOSE | ||
111 | gpio_disable_event(MC13783_EVENT_ID); | 101 | gpio_disable_event(MC13783_EVENT_ID); |
112 | #endif | ||
113 | } | 102 | } |
114 | 103 | ||
115 | /* GPIO interrupt handler for mc13783 */ | 104 | /* GPIO interrupt handler for mc13783 */ |
@@ -136,15 +125,12 @@ void mc13783_init(void) | |||
136 | 125 | ||
137 | MC13783_GPIO_ISR = (1ul << MC13783_GPIO_LINE); | 126 | MC13783_GPIO_ISR = (1ul << MC13783_GPIO_LINE); |
138 | 127 | ||
139 | #ifdef PMIC_DRIVER_CLOSE | ||
140 | mc13783_thread_id = | 128 | mc13783_thread_id = |
141 | #endif | ||
142 | create_thread(mc13783_interrupt_thread, | 129 | create_thread(mc13783_interrupt_thread, |
143 | mc13783_thread_stack, sizeof(mc13783_thread_stack), 0, | 130 | mc13783_thread_stack, sizeof(mc13783_thread_stack), 0, |
144 | mc13783_thread_name IF_PRIO(, PRIORITY_REALTIME) IF_COP(, CPU)); | 131 | mc13783_thread_name IF_PRIO(, PRIORITY_REALTIME) IF_COP(, CPU)); |
145 | } | 132 | } |
146 | 133 | ||
147 | #ifdef PMIC_DRIVER_CLOSE | ||
148 | void mc13783_close(void) | 134 | void mc13783_close(void) |
149 | { | 135 | { |
150 | unsigned int thread_id = mc13783_thread_id; | 136 | unsigned int thread_id = mc13783_thread_id; |
@@ -153,12 +139,9 @@ void mc13783_close(void) | |||
153 | return; | 139 | return; |
154 | 140 | ||
155 | mc13783_thread_id = 0; | 141 | mc13783_thread_id = 0; |
156 | |||
157 | pmic_close = true; | ||
158 | wakeup_signal(&mc13783_wake); | 142 | wakeup_signal(&mc13783_wake); |
159 | thread_wait(thread_id); | 143 | thread_wait(thread_id); |
160 | } | 144 | } |
161 | #endif /* PMIC_DRIVER_CLOSE */ | ||
162 | 145 | ||
163 | bool mc13783_enable_event(enum mc13783_event_ids id) | 146 | bool mc13783_enable_event(enum mc13783_event_ids id) |
164 | { | 147 | { |