Lines Matching +full:3 +full:- +full:tuples

5 (C) 2009-2010 Nishanth Menon <[email protected]>, Texas Instruments Incorporated
11   3. OPP Search Functions
20 -------------------------------------------------
22 Complex SoCs of today consists of a multiple sub-modules working in conjunction.
25 facilitate this, sub-modules in a SoC are grouped into domains, allowing some
29 The set of discrete tuples consisting of frequency and voltage pairs that
39 We can represent these as three OPPs as the following {Hz, uV} tuples:
41 - {300000000, 1000000}
42 - {800000000, 1200000}
43 - {1000000000, 1300000}
46 ----------------------------------------
57  (users)	-> registers a set of default OPPs		-> (library)
58  SoC framework	-> modifies on required cases certain OPPs	-> OPP layer
59 		-> queries to search/retrieve information	->
74 operations until that OPP could be re-enabled if possible.
96 optimally- typical numbers range to be less than 5. The list generated by
128 3. OPP Search Functions
186 	Example 2: A simplified implementation of a SoC cpufreq_driver->target::
293 			 return -EINVAL;
295 			 return -EINVAL;
301 	Example: Lets say a co-processor in the SoC needs to know the available
329    |- device 1
330    |	|- opp 1 (availability, freq, voltage)
331    |	|- opp 2 ..
333    |	`- opp n ..
334    |- device 2
336    `- device m
366               +-----+        /- dev_pm_opp_enable
367   dev_pm_opp_add --> | opp | <-------
368     |         +-----+        \- dev_pm_opp_disable
369     \-------> domain_info(device)
372                /-- dev_pm_opp_find_freq_ceil  ---\   +-----+
373   domain_info<---- dev_pm_opp_find_freq_exact -----> | opp |
374                \-- dev_pm_opp_find_freq_floor ---/   +-----+
377   +-----+     /- dev_pm_opp_get_voltage
378   | opp | <---
379   +-----+     \- dev_pm_opp_get_freq
381   domain_info <- dev_pm_opp_get_opp_count