max77663.py

#!/usr/bin/env python
#
#
# Copyright (C) Canonical, Inc 2012

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

class MAX77663:

    # constants
    max77663_regs = {
        0x05:'MAX77663_REG_IRQ_TOP',
        0x06:'MAX77663_REG_LBT_IRQ',
        0x07:'MAX77663_REG_SD_IRQ',
        0x08:'MAX77663_REG_LDOX_IRQ',
        0x09:'MAX77663_REG_LDO8_IRQ',
        0x0A:'MAX77663_REG_GPIO_IRQ',
        0x0B:'MAX77663_REG_ONOFF_IRQ',
        0x0C:'MAX77663_REG_NVER',
        0x0D:'MAX77663_REG_IRQ_TOP_MASK',
        0x0E:'MAX77663_REG_LBT_IRQ_MASK',
        0x0F:'MAX77663_REG_SD_IRQ_MASK',
        0x10:'MAX77663_REG_LDOX_IRQ_MASK',
        0x11:'MAX77663_REG_LDO8_IRQ_MASK',
        0x12:'MAX77663_REG_ONOFF_IRQ_MASK',
        0x16:'MAX77663_REG_SD0', #', #0x16
        0x17:'MAX77663_REG_SD1', #', #0x17
        0x18:'MAX77663_REG_SD2', #', #0x18
        0x19:'MAX77663_REG_SD3', #', #0x19
        0x1A:'MAX77663_REG_SD4', #', #0x1A
        0x1B:'MAX77663_REG_DVSSD0', #', #0x1B
        0x1C:'MAX77663_REG_DVSSD1', #', #0x1C
        0x1D:'MAX77663_REG_SD0_CFG', #', #0x1D
        0x1E:'MAX77663_REG_SD1_CFG', #', #0x1E
        0x1F:'MAX77663_REG_SD2_CFG', #', #0x1F
        0x20:'MAX77663_REG_SD3_CFG', #', #0x20
        0x21:'MAX77663_REG_SD4_CFG', #', #0x21
        0x23:'MAX77663_REG_LDO0_CFG', #', #0x23
        0x24:'MAX77663_REG_LDO0_CFG2', #', #0x24
        0x25:'MAX77663_REG_LDO1_CFG', #', #0x25
        0x26:'MAX77663_REG_LDO1_CFG2', #', #0x26
        0x27:'MAX77663_REG_LDO2_CFG', #', #0x27
        0x28:'MAX77663_REG_LDO2_CFG2', #', #0x28
        0x29:'MAX77663_REG_LDO3_CFG', #', #0x29
        0x2A:'MAX77663_REG_LDO3_CFG2', #', #0x2A
        0x2B:'MAX77663_REG_LDO4_CFG', #', #0x2B
        0x2C:'MAX77663_REG_LDO4_CFG2', #', #0x2C
        0x2D:'MAX77663_REG_LDO5_CFG', #', #0x2D
        0x2E:'MAX77663_REG_LDO5_CFG2', #', #0x2E
        0x2F:'MAX77663_REG_LDO6_CFG', #', #0x2F
        0x30:'MAX77663_REG_LDO6_CFG2', #', #0x30
        0x31:'MAX77663_REG_LDO7_CFG', #', #0x31
        0x32:'MAX77663_REG_LDO7_CFG2', #', #0x32
        0x33:'MAX77663_REG_LDO8_CFG', #', #0x33
        0x34:'MAX77663_REG_LDO8_CFG2', #', #0x34
        0x35:'MAX77663_REG_LDO_CFG3', #', #0x35
        0x36:'MAX77663_REG_GPIO_CTRL0',
        0x37:'MAX77663_REG_GPIO_CTRL1',
        0x38:'MAX77663_REG_GPIO_CTRL2',
        0x39:'MAX77663_REG_GPIO_CTRL3',
        0x3A:'MAX77663_REG_GPIO_CTRL4',
        0x3B:'MAX77663_REG_GPIO_CTRL5',
        0x3C:'MAX77663_REG_GPIO_CTRL6',
        0x3D:'MAX77663_REG_GPIO_CTRL7',
        0x3E:'MAX77663_REG_GPIO_PU',
        0x3F:'MAX77663_REG_GPIO_PD',
        0x40:'MAX77663_REG_GPIO_ALT',
        0x41:'MAX77663_REG_ONOFF_CFG1',
        0x42:'MAX77663_REG_ONOFF_CFG2',
        0x5C:'MAX77663_REG_CHIP_IDENT4',
}



# ================================================

    in_reg_transaction = False
    temp_register = None
    regname = None


    def dump_generic(self, data):
        print "0x%0.2x" % data
        return
        if data & 0x80:
            print "[0x80 = 1]",
        else:
            print "[0x80 = 0]",
        if data & 0x40:
            print "[0x40 = 1]",
        else:
            print "[0x40 = 0]",
        if data & 0x20:
            print "[0x20 = 1]",
        else:
            print "[0x20 = 0]",
        if data & 0x10:
            print "[0x10 = 1]",
        else:
            print "[0x10 = 0]",
        if data & 0x08:
            print "[0x08 = 1]",
        else:
            print "[0x08 = 0]",
        if data & 0x04:
            print "[0x04 = 1]",
        else:
            print "[0x04 = 0]",
        if data & 0x02:
            print "[0x02 = 1]",
        else:
            print "[0x02 = 0]",
        if data & 0x01:
            print "[0x01 = 1]",
        else:
            print "[0x01 = 0]",
        print
        return


    def finish_register_access(self, deltatime, rw, data):
        if rw == "Read":
            rwtext = "(R)"
        else:
            rwtext = "(W)"
        print "max77663 : %s %s, data = 0x%0.2x" % (self.regname.ljust(12), rwtext,data),
        self.dump_generic(data)

        self.in_reg_transaction = False
        return
    
    def process_transaction(self, deltatime, rw, data):
        if self.in_reg_transaction:
            self.finish_register_access(deltatime, rw, data)
        elif data in self.max77663_regs:
            # This is the first half of a register access
            self.regname = self.max77663_regs[data]
            self.in_reg_transaction = True
            #print "%s:" % self.regname,
            self.temp_register = data
        else:
            print "max77663: Unknown register address %d, skipping" % data