diff options
Diffstat (limited to 'driver/regulator_ir357x.c')
-rw-r--r-- | driver/regulator_ir357x.c | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/driver/regulator_ir357x.c b/driver/regulator_ir357x.c deleted file mode 100644 index 4721146367..0000000000 --- a/driver/regulator_ir357x.c +++ /dev/null @@ -1,247 +0,0 @@ -/* Copyright 2012 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * IR357x driver. - */ - -#include "common.h" -#include "console.h" -#include "hooks.h" -#include "i2c.h" -#include "timer.h" -#include "util.h" - -/* Console output macros */ -#define CPUTS(outstr) cputs(CC_CHIPSET, outstr) -#define CPRINTF(format, args...) cprintf(CC_CHIPSET, format, ## args) - -/* I2C address */ -#define IR357x_I2C_ADDR_FLAGS 0x08 - -struct ir_setting { - uint8_t reg; - uint8_t value; -}; - -static struct ir_setting ir3570_settings[] = { - {0x10, 0x22}, {0x11, 0x22}, {0x12, 0x88}, {0x13, 0x10}, - {0x14, 0x0d}, {0x15, 0x21}, {0x16, 0x21}, {0x17, 0x00}, - {0x18, 0x00}, {0x19, 0x00}, {0x1a, 0x00}, {0x1b, 0x00}, - {0x1c, 0x00}, {0x1d, 0x00}, {0x1e, 0x00}, {0x1f, 0x00}, - {0x20, 0x00}, {0x21, 0x00}, {0x22, 0x60}, {0x23, 0x60}, - {0x24, 0x74}, {0x25, 0x4e}, {0x26, 0xff}, {0x27, 0x80}, - {0x28, 0x00}, {0x29, 0x20}, {0x2a, 0x15}, {0x2b, 0x26}, - {0x2c, 0xb6}, {0x2d, 0x21}, {0x2e, 0x11}, {0x2f, 0x20}, - {0x30, 0xab}, {0x31, 0x14}, {0x32, 0x90}, {0x33, 0x4d}, - {0x34, 0x75}, {0x35, 0x64}, {0x36, 0x64}, {0x37, 0x09}, - {0x38, 0xc4}, {0x39, 0x20}, {0x3a, 0x80}, {0x3b, 0x00}, - {0x3c, 0x00}, {0x3d, 0xaa}, {0x3e, 0x00}, {0x3f, 0x05}, - {0x40, 0x50}, {0x41, 0x40}, {0x42, 0x00}, {0x43, 0x00}, - {0x44, 0x00}, {0x45, 0x00}, {0x46, 0x00}, {0x47, 0x00}, - {0x48, 0x1c}, {0x49, 0x0c}, {0x4a, 0x0f}, {0x4b, 0x40}, - {0x4c, 0x80}, {0x4d, 0x40}, {0x4e, 0x80}, - {0x51, 0x00}, {0x52, 0x45}, {0x53, 0x59}, - {0x54, 0x23}, {0x55, 0xae}, {0x56, 0x68}, {0x57, 0x24}, - {0x58, 0x62}, {0x59, 0x42}, {0x5a, 0x34}, {0x5b, 0x00}, - {0x5c, 0x30}, {0x5d, 0x05}, {0x5e, 0x02}, {0x5f, 0x35}, - {0x60, 0x30}, {0x61, 0x00}, {0x62, 0xd8}, {0x63, 0x00}, - {0x64, 0x52}, {0x65, 0x28}, {0x66, 0x14}, {0x67, 0x87}, - {0x68, 0x80}, {0x69, 0x00}, {0x6a, 0x00}, {0x6b, 0x00}, - {0x6c, 0x00}, {0x6d, 0xff}, {0x6e, 0x06}, {0x6f, 0xff}, - {0x70, 0xff}, {0x71, 0x20}, {0x72, 0x00}, {0x73, 0x01}, - {0x74, 0x00}, {0x75, 0x00}, {0x76, 0x00}, {0x77, 0x00}, - {0x78, 0x00}, {0x79, 0x00}, {0x7a, 0x00}, {0x7b, 0x00}, - {0x7c, 0x15}, {0x7d, 0x15}, {0x7e, 0x00}, {0x7f, 0x00}, - {0x80, 0x00}, {0x81, 0x00}, {0x82, 0x00}, {0x83, 0x00}, - {0x84, 0x00}, {0x85, 0x00}, {0x86, 0x00}, {0x87, 0x00}, - {0x88, 0x88}, {0x89, 0x88}, {0x8a, 0x01}, {0x8b, 0x42}, - {0x8d, 0x00}, {0x8e, 0x00}, {0x8f, 0x1f}, - {0, 0} -}; - -static struct ir_setting ir3571_settings[] = { - {0x18, 0x22}, {0x19, 0x22}, {0x1a, 0x08}, {0x1b, 0x10}, - {0x1c, 0x06}, {0x1d, 0x21}, {0x1e, 0x21}, {0x1f, 0x83}, - {0x20, 0x83}, {0x21, 0x00}, {0x22, 0x00}, {0x23, 0x00}, - {0x24, 0x00}, {0x25, 0x00}, {0x26, 0x00}, {0x27, 0x34}, - {0x28, 0x34}, {0x29, 0x74}, {0x2a, 0x4e}, {0x2b, 0xff}, - {0x2c, 0x00}, {0x2d, 0x1d}, {0x2e, 0x14}, {0x2f, 0x1f}, - {0x30, 0x88}, {0x31, 0x9a}, {0x32, 0x1e}, {0x33, 0x19}, - {0x34, 0xe9}, {0x35, 0x40}, {0x36, 0x90}, {0x37, 0x6d}, - {0x38, 0x75}, {0x39, 0xa0}, {0x3a, 0x84}, {0x3b, 0x08}, - {0x3c, 0xc5}, {0x3d, 0xa0}, {0x3e, 0x80}, {0x3f, 0xaa}, - {0x40, 0x50}, {0x41, 0x4b}, {0x42, 0x02}, {0x43, 0x04}, - {0x44, 0x00}, {0x45, 0x00}, {0x46, 0x00}, {0x47, 0x78}, - {0x48, 0x56}, {0x49, 0x18}, {0x4a, 0x88}, {0x4b, 0x00}, - {0x4c, 0x80}, {0x4d, 0x60}, {0x4e, 0x60}, {0x4f, 0xff}, - {0x50, 0xff}, {0x51, 0x00}, {0x52, 0x9b}, {0x53, 0xaa}, - {0x54, 0xd8}, {0x55, 0x56}, {0x56, 0x31}, {0x57, 0x1a}, - {0x58, 0x12}, {0x59, 0x63}, {0x5a, 0x00}, {0x5b, 0x09}, - {0x5c, 0x02}, {0x5d, 0x00}, {0x5e, 0xea}, {0x5f, 0x00}, - {0x60, 0xb0}, {0x61, 0x1e}, {0x62, 0x00}, {0x63, 0x56}, - {0x64, 0x00}, {0x65, 0x00}, {0x66, 0x00}, {0x67, 0x00}, - {0x68, 0x28}, {0x69, 0x00}, {0x6a, 0x00}, {0x6b, 0x00}, - {0x6c, 0x00}, {0x6d, 0x00}, {0x6e, 0x00}, {0x6f, 0x00}, - {0x70, 0x80}, {0x71, 0x00}, {0x72, 0x00}, {0x73, 0x00}, - {0x74, 0x00}, {0x75, 0xbf}, {0x76, 0x06}, {0x77, 0xff}, - {0x78, 0xff}, {0x79, 0x04}, {0x7a, 0x00}, {0x7b, 0x1d}, - {0x7c, 0xa0}, {0x7d, 0x10}, {0x7e, 0x00}, {0x7f, 0x8a}, - {0x80, 0x1b}, {0x81, 0x11}, {0x82, 0x00}, {0x83, 0x00}, - {0x84, 0x00}, {0x85, 0x00}, {0x86, 0x00}, {0x87, 0x00}, - {0x88, 0x00}, {0x89, 0x00}, {0x8a, 0x00}, {0x8b, 0x00}, - {0x8c, 0x00}, {0x8d, 0x00}, {0x8e, 0x00}, {0x8f, 0x00}, - {0, 0} -}; - -static uint8_t ir357x_read(uint8_t reg) -{ - int res; - int val; - - res = i2c_read8(I2C_PORT_REGULATOR, IR357x_I2C_ADDR, reg, &val); - if (res) - return 0xee; - - return val; -} - -static void ir357x_write(uint8_t reg, uint8_t val) -{ - int res; - - res = i2c_write8(I2C_PORT_REGULATOR, IR357x_I2C_ADDR, reg, val); - if (res) - CPRINTF("IR I2C write failed\n"); -} - -static int ir357x_get_version(void) -{ - /* IR3571 on Link EVT */ - if ((ir357x_read(0xfc) == 'I') && (ir357x_read(0xfd) == 'R') && - ((ir357x_read(0x0a) & 0xe) == 0)) - return 3571; - - /* IR3570A on Link Proto 0/1 and Link DVT */ - if ((ir357x_read(0x92) == 'C') && (ir357x_read(0xcd) == 0x24)) - return 3570; - - /* Unknown and unsupported chip */ - return -1; -} - -struct ir_setting *ir357x_get_settings(void) -{ - int version = ir357x_get_version(); - - if (version == 3570) - return ir3570_settings; - else if (version == 3571) - return ir3571_settings; - else - return NULL; -} - -static void ir357x_prog(void) -{ - struct ir_setting *settings = ir357x_get_settings(); - - if (settings) { - for (; settings->reg; settings++) - ir357x_write(settings->reg, settings->value); - } else { - CPRINTF("IR%d chip unsupported. Skip writing settings!\n", - ir357x_get_version()); - return; - } - - CPRINTF("IR%d registers UPDATED\n", ir357x_get_version()); -} - -static void ir357x_dump(void) -{ - int i; - - for (i = 0; i < 256; i++) { - if (!(i & 0xf)) { - ccprintf("\n%02x: ", i); - cflush(); - } - ccprintf("%02x ", ir357x_read(i)); - } - ccprintf("\n"); -} - -static int ir357x_check(void) -{ - uint8_t val; - int diff = 0; - struct ir_setting *settings = ir357x_get_settings(); - - if (!settings) { - ccprintf("no setting for chip IR%d !\n", ir357x_get_version()); - return 1; - } - - for (; settings->reg; settings++) { - val = ir357x_read(settings->reg); - if (val != settings->value) { - ccprintf("DIFF reg 0x%02x %02x->%02x\n", - settings->reg, settings->value, val); - cflush(); - diff++; - } - } - return !!diff; -} - -#ifdef CONFIG_CMD_REGULATOR -static int command_ir357x(int argc, char **argv) -{ - int reg, val; - char *rem; - - if (1 == argc) { /* dump all registers */ - ir357x_dump(); - return EC_SUCCESS; - } else if (2 == argc) { - if (!strcasecmp(argv[1], "check")) { - ir357x_check(); - } else { /* read one register */ - reg = strtoi(argv[1], &rem, 16); - if (*rem) { - ccprintf("Invalid register: %s\n", argv[1]); - return EC_ERROR_INVAL; - } - ccprintf("reg 0x%02x = 0x%02x\n", reg, - ir357x_read(reg)); - } - return EC_SUCCESS; - } else if (3 == argc) { /* write one register */ - reg = strtoi(argv[1], &rem, 16); - if (*rem) { - ccprintf("Invalid register: %s\n", argv[1]); - return EC_ERROR_INVAL; - } - val = strtoi(argv[2], &rem, 16); - if (*rem) { - ccprintf("Invalid value: %s\n", argv[2]); - return EC_ERROR_INVAL; - } - ir357x_write(reg, val); - return EC_SUCCESS; - } - - return EC_ERROR_INVAL; -} -DECLARE_CONSOLE_COMMAND(ir357x, command_ir357x, - "[check|write]", - "IR357x core regulator control"); -#endif - -static void ir357x_hot_settings(void) -{ - /* dynamically apply settings to workaround issue */ - ir357x_prog(); -} -DECLARE_HOOK(HOOK_CHIPSET_RESUME, ir357x_hot_settings, HOOK_PRIO_DEFAULT); |