1ebf0bd36SAmit Kucheria /* 2ebf0bd36SAmit Kucheria * linux/drivers/i2c/chips/twl4030-power.c 3ebf0bd36SAmit Kucheria * 4ebf0bd36SAmit Kucheria * Handle TWL4030 Power initialization 5ebf0bd36SAmit Kucheria * 6ebf0bd36SAmit Kucheria * Copyright (C) 2008 Nokia Corporation 7ebf0bd36SAmit Kucheria * Copyright (C) 2006 Texas Instruments, Inc 8ebf0bd36SAmit Kucheria * 9ebf0bd36SAmit Kucheria * Written by Kalle Jokiniemi 10ebf0bd36SAmit Kucheria * Peter De Schrijver <peter.de-schrijver@nokia.com> 11ebf0bd36SAmit Kucheria * Several fixes by Amit Kucheria <amit.kucheria@verdurent.com> 12ebf0bd36SAmit Kucheria * 13ebf0bd36SAmit Kucheria * This file is subject to the terms and conditions of the GNU General 14ebf0bd36SAmit Kucheria * Public License. See the file "COPYING" in the main directory of this 15ebf0bd36SAmit Kucheria * archive for more details. 16ebf0bd36SAmit Kucheria * 17ebf0bd36SAmit Kucheria * This program is distributed in the hope that it will be useful, 18ebf0bd36SAmit Kucheria * but WITHOUT ANY WARRANTY; without even the implied warranty of 19ebf0bd36SAmit Kucheria * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20ebf0bd36SAmit Kucheria * GNU General Public License for more details. 21ebf0bd36SAmit Kucheria * 22ebf0bd36SAmit Kucheria * You should have received a copy of the GNU General Public License 23ebf0bd36SAmit Kucheria * along with this program; if not, write to the Free Software 24ebf0bd36SAmit Kucheria * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 25ebf0bd36SAmit Kucheria */ 26ebf0bd36SAmit Kucheria 27ebf0bd36SAmit Kucheria #include <linux/module.h> 28ebf0bd36SAmit Kucheria #include <linux/pm.h> 29b07682b6SSantosh Shilimkar #include <linux/i2c/twl.h> 30ebf0bd36SAmit Kucheria #include <linux/platform_device.h> 31ebf0bd36SAmit Kucheria 32ebf0bd36SAmit Kucheria #include <asm/mach-types.h> 33ebf0bd36SAmit Kucheria 34ebf0bd36SAmit Kucheria static u8 twl4030_start_script_address = 0x2b; 35ebf0bd36SAmit Kucheria 36ebf0bd36SAmit Kucheria #define PWR_P1_SW_EVENTS 0x10 37ebf0bd36SAmit Kucheria #define PWR_DEVOFF (1<<0) 38ebf0bd36SAmit Kucheria 39ebf0bd36SAmit Kucheria #define PHY_TO_OFF_PM_MASTER(p) (p - 0x36) 40ebf0bd36SAmit Kucheria #define PHY_TO_OFF_PM_RECEIVER(p) (p - 0x5b) 41ebf0bd36SAmit Kucheria 42ebf0bd36SAmit Kucheria /* resource - hfclk */ 43ebf0bd36SAmit Kucheria #define R_HFCLKOUT_DEV_GRP PHY_TO_OFF_PM_RECEIVER(0xe6) 44ebf0bd36SAmit Kucheria 45ebf0bd36SAmit Kucheria /* PM events */ 46ebf0bd36SAmit Kucheria #define R_P1_SW_EVENTS PHY_TO_OFF_PM_MASTER(0x46) 47ebf0bd36SAmit Kucheria #define R_P2_SW_EVENTS PHY_TO_OFF_PM_MASTER(0x47) 48ebf0bd36SAmit Kucheria #define R_P3_SW_EVENTS PHY_TO_OFF_PM_MASTER(0x48) 49ebf0bd36SAmit Kucheria #define R_CFG_P1_TRANSITION PHY_TO_OFF_PM_MASTER(0x36) 50ebf0bd36SAmit Kucheria #define R_CFG_P2_TRANSITION PHY_TO_OFF_PM_MASTER(0x37) 51ebf0bd36SAmit Kucheria #define R_CFG_P3_TRANSITION PHY_TO_OFF_PM_MASTER(0x38) 52ebf0bd36SAmit Kucheria 53ebf0bd36SAmit Kucheria #define LVL_WAKEUP 0x08 54ebf0bd36SAmit Kucheria 55ebf0bd36SAmit Kucheria #define ENABLE_WARMRESET (1<<4) 56ebf0bd36SAmit Kucheria 57ebf0bd36SAmit Kucheria #define END_OF_SCRIPT 0x3f 58ebf0bd36SAmit Kucheria 59ebf0bd36SAmit Kucheria #define R_SEQ_ADD_A2S PHY_TO_OFF_PM_MASTER(0x55) 60ebf0bd36SAmit Kucheria #define R_SEQ_ADD_S2A12 PHY_TO_OFF_PM_MASTER(0x56) 61ebf0bd36SAmit Kucheria #define R_SEQ_ADD_S2A3 PHY_TO_OFF_PM_MASTER(0x57) 62ebf0bd36SAmit Kucheria #define R_SEQ_ADD_WARM PHY_TO_OFF_PM_MASTER(0x58) 63ebf0bd36SAmit Kucheria #define R_MEMORY_ADDRESS PHY_TO_OFF_PM_MASTER(0x59) 64ebf0bd36SAmit Kucheria #define R_MEMORY_DATA PHY_TO_OFF_PM_MASTER(0x5a) 65ebf0bd36SAmit Kucheria 66890463f0SAmit Kucheria /* resource configuration registers 67890463f0SAmit Kucheria <RESOURCE>_DEV_GRP at address 'n+0' 68890463f0SAmit Kucheria <RESOURCE>_TYPE at address 'n+1' 69890463f0SAmit Kucheria <RESOURCE>_REMAP at address 'n+2' 70890463f0SAmit Kucheria <RESOURCE>_DEDICATED at address 'n+3' 71890463f0SAmit Kucheria */ 72e97d1546SAmit Kucheria #define DEV_GRP_OFFSET 0 73ebf0bd36SAmit Kucheria #define TYPE_OFFSET 1 74b4ead61eSAmit Kucheria #define REMAP_OFFSET 2 75b4ead61eSAmit Kucheria #define DEDICATED_OFFSET 3 76ebf0bd36SAmit Kucheria 77e97d1546SAmit Kucheria /* Bit positions in the registers */ 78890463f0SAmit Kucheria 79890463f0SAmit Kucheria /* <RESOURCE>_DEV_GRP */ 80e97d1546SAmit Kucheria #define DEV_GRP_SHIFT 5 81e97d1546SAmit Kucheria #define DEV_GRP_MASK (7 << DEV_GRP_SHIFT) 82890463f0SAmit Kucheria 83890463f0SAmit Kucheria /* <RESOURCE>_TYPE */ 84ebf0bd36SAmit Kucheria #define TYPE_SHIFT 0 85ebf0bd36SAmit Kucheria #define TYPE_MASK (7 << TYPE_SHIFT) 86ebf0bd36SAmit Kucheria #define TYPE2_SHIFT 3 87ebf0bd36SAmit Kucheria #define TYPE2_MASK (3 << TYPE2_SHIFT) 88ebf0bd36SAmit Kucheria 89b4ead61eSAmit Kucheria /* <RESOURCE>_REMAP */ 90b4ead61eSAmit Kucheria #define SLEEP_STATE_SHIFT 0 91b4ead61eSAmit Kucheria #define SLEEP_STATE_MASK (0xf << SLEEP_STATE_SHIFT) 92b4ead61eSAmit Kucheria #define OFF_STATE_SHIFT 4 93b4ead61eSAmit Kucheria #define OFF_STATE_MASK (0xf << OFF_STATE_SHIFT) 94b4ead61eSAmit Kucheria 95ebf0bd36SAmit Kucheria static u8 res_config_addrs[] = { 96ebf0bd36SAmit Kucheria [RES_VAUX1] = 0x17, 97ebf0bd36SAmit Kucheria [RES_VAUX2] = 0x1b, 98ebf0bd36SAmit Kucheria [RES_VAUX3] = 0x1f, 99ebf0bd36SAmit Kucheria [RES_VAUX4] = 0x23, 100ebf0bd36SAmit Kucheria [RES_VMMC1] = 0x27, 101ebf0bd36SAmit Kucheria [RES_VMMC2] = 0x2b, 102ebf0bd36SAmit Kucheria [RES_VPLL1] = 0x2f, 103ebf0bd36SAmit Kucheria [RES_VPLL2] = 0x33, 104ebf0bd36SAmit Kucheria [RES_VSIM] = 0x37, 105ebf0bd36SAmit Kucheria [RES_VDAC] = 0x3b, 106ebf0bd36SAmit Kucheria [RES_VINTANA1] = 0x3f, 107ebf0bd36SAmit Kucheria [RES_VINTANA2] = 0x43, 108ebf0bd36SAmit Kucheria [RES_VINTDIG] = 0x47, 109ebf0bd36SAmit Kucheria [RES_VIO] = 0x4b, 110ebf0bd36SAmit Kucheria [RES_VDD1] = 0x55, 111ebf0bd36SAmit Kucheria [RES_VDD2] = 0x63, 112ebf0bd36SAmit Kucheria [RES_VUSB_1V5] = 0x71, 113ebf0bd36SAmit Kucheria [RES_VUSB_1V8] = 0x74, 114ebf0bd36SAmit Kucheria [RES_VUSB_3V1] = 0x77, 115ebf0bd36SAmit Kucheria [RES_VUSBCP] = 0x7a, 116ebf0bd36SAmit Kucheria [RES_REGEN] = 0x7f, 117ebf0bd36SAmit Kucheria [RES_NRES_PWRON] = 0x82, 118ebf0bd36SAmit Kucheria [RES_CLKEN] = 0x85, 119ebf0bd36SAmit Kucheria [RES_SYSEN] = 0x88, 120ebf0bd36SAmit Kucheria [RES_HFCLKOUT] = 0x8b, 121ebf0bd36SAmit Kucheria [RES_32KCLKOUT] = 0x8e, 122ebf0bd36SAmit Kucheria [RES_RESET] = 0x91, 123d7ac829fSLesly A M [RES_MAIN_REF] = 0x94, 124ebf0bd36SAmit Kucheria }; 125ebf0bd36SAmit Kucheria 126ebf0bd36SAmit Kucheria static int __init twl4030_write_script_byte(u8 address, u8 byte) 127ebf0bd36SAmit Kucheria { 128ebf0bd36SAmit Kucheria int err; 129ebf0bd36SAmit Kucheria 130fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, address, 131ebf0bd36SAmit Kucheria R_MEMORY_ADDRESS); 132ebf0bd36SAmit Kucheria if (err) 133ebf0bd36SAmit Kucheria goto out; 134fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, byte, 135ebf0bd36SAmit Kucheria R_MEMORY_DATA); 136ebf0bd36SAmit Kucheria out: 137ebf0bd36SAmit Kucheria return err; 138ebf0bd36SAmit Kucheria } 139ebf0bd36SAmit Kucheria 140ebf0bd36SAmit Kucheria static int __init twl4030_write_script_ins(u8 address, u16 pmb_message, 141ebf0bd36SAmit Kucheria u8 delay, u8 next) 142ebf0bd36SAmit Kucheria { 143ebf0bd36SAmit Kucheria int err; 144ebf0bd36SAmit Kucheria 145ebf0bd36SAmit Kucheria address *= 4; 146ebf0bd36SAmit Kucheria err = twl4030_write_script_byte(address++, pmb_message >> 8); 147ebf0bd36SAmit Kucheria if (err) 148ebf0bd36SAmit Kucheria goto out; 149ebf0bd36SAmit Kucheria err = twl4030_write_script_byte(address++, pmb_message & 0xff); 150ebf0bd36SAmit Kucheria if (err) 151ebf0bd36SAmit Kucheria goto out; 152ebf0bd36SAmit Kucheria err = twl4030_write_script_byte(address++, delay); 153ebf0bd36SAmit Kucheria if (err) 154ebf0bd36SAmit Kucheria goto out; 155ebf0bd36SAmit Kucheria err = twl4030_write_script_byte(address++, next); 156ebf0bd36SAmit Kucheria out: 157ebf0bd36SAmit Kucheria return err; 158ebf0bd36SAmit Kucheria } 159ebf0bd36SAmit Kucheria 160ebf0bd36SAmit Kucheria static int __init twl4030_write_script(u8 address, struct twl4030_ins *script, 161ebf0bd36SAmit Kucheria int len) 162ebf0bd36SAmit Kucheria { 163ebf0bd36SAmit Kucheria int err; 164ebf0bd36SAmit Kucheria 165ebf0bd36SAmit Kucheria for (; len; len--, address++, script++) { 166ebf0bd36SAmit Kucheria if (len == 1) { 167ebf0bd36SAmit Kucheria err = twl4030_write_script_ins(address, 168ebf0bd36SAmit Kucheria script->pmb_message, 169ebf0bd36SAmit Kucheria script->delay, 170ebf0bd36SAmit Kucheria END_OF_SCRIPT); 171ebf0bd36SAmit Kucheria if (err) 172ebf0bd36SAmit Kucheria break; 173ebf0bd36SAmit Kucheria } else { 174ebf0bd36SAmit Kucheria err = twl4030_write_script_ins(address, 175ebf0bd36SAmit Kucheria script->pmb_message, 176ebf0bd36SAmit Kucheria script->delay, 177ebf0bd36SAmit Kucheria address + 1); 178ebf0bd36SAmit Kucheria if (err) 179ebf0bd36SAmit Kucheria break; 180ebf0bd36SAmit Kucheria } 181ebf0bd36SAmit Kucheria } 182ebf0bd36SAmit Kucheria return err; 183ebf0bd36SAmit Kucheria } 184ebf0bd36SAmit Kucheria 185ebf0bd36SAmit Kucheria static int __init twl4030_config_wakeup3_sequence(u8 address) 186ebf0bd36SAmit Kucheria { 187ebf0bd36SAmit Kucheria int err; 188ebf0bd36SAmit Kucheria u8 data; 189ebf0bd36SAmit Kucheria 190ebf0bd36SAmit Kucheria /* Set SLEEP to ACTIVE SEQ address for P3 */ 191fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, address, 192ebf0bd36SAmit Kucheria R_SEQ_ADD_S2A3); 193ebf0bd36SAmit Kucheria if (err) 194ebf0bd36SAmit Kucheria goto out; 195ebf0bd36SAmit Kucheria 196ebf0bd36SAmit Kucheria /* P3 LVL_WAKEUP should be on LEVEL */ 197fc7b92fcSBalaji T K err = twl_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &data, 198ebf0bd36SAmit Kucheria R_P3_SW_EVENTS); 199ebf0bd36SAmit Kucheria if (err) 200ebf0bd36SAmit Kucheria goto out; 201ebf0bd36SAmit Kucheria data |= LVL_WAKEUP; 202fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, data, 203ebf0bd36SAmit Kucheria R_P3_SW_EVENTS); 204ebf0bd36SAmit Kucheria out: 205ebf0bd36SAmit Kucheria if (err) 206ebf0bd36SAmit Kucheria pr_err("TWL4030 wakeup sequence for P3 config error\n"); 207ebf0bd36SAmit Kucheria return err; 208ebf0bd36SAmit Kucheria } 209ebf0bd36SAmit Kucheria 210ebf0bd36SAmit Kucheria static int __init twl4030_config_wakeup12_sequence(u8 address) 211ebf0bd36SAmit Kucheria { 212ebf0bd36SAmit Kucheria int err = 0; 213ebf0bd36SAmit Kucheria u8 data; 214ebf0bd36SAmit Kucheria 215ebf0bd36SAmit Kucheria /* Set SLEEP to ACTIVE SEQ address for P1 and P2 */ 216fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, address, 217ebf0bd36SAmit Kucheria R_SEQ_ADD_S2A12); 218ebf0bd36SAmit Kucheria if (err) 219ebf0bd36SAmit Kucheria goto out; 220ebf0bd36SAmit Kucheria 221ebf0bd36SAmit Kucheria /* P1/P2 LVL_WAKEUP should be on LEVEL */ 222fc7b92fcSBalaji T K err = twl_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &data, 223ebf0bd36SAmit Kucheria R_P1_SW_EVENTS); 224ebf0bd36SAmit Kucheria if (err) 225ebf0bd36SAmit Kucheria goto out; 226ebf0bd36SAmit Kucheria 227ebf0bd36SAmit Kucheria data |= LVL_WAKEUP; 228fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, data, 229ebf0bd36SAmit Kucheria R_P1_SW_EVENTS); 230ebf0bd36SAmit Kucheria if (err) 231ebf0bd36SAmit Kucheria goto out; 232ebf0bd36SAmit Kucheria 233fc7b92fcSBalaji T K err = twl_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &data, 234ebf0bd36SAmit Kucheria R_P2_SW_EVENTS); 235ebf0bd36SAmit Kucheria if (err) 236ebf0bd36SAmit Kucheria goto out; 237ebf0bd36SAmit Kucheria 238ebf0bd36SAmit Kucheria data |= LVL_WAKEUP; 239fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, data, 240ebf0bd36SAmit Kucheria R_P2_SW_EVENTS); 241ebf0bd36SAmit Kucheria if (err) 242ebf0bd36SAmit Kucheria goto out; 243ebf0bd36SAmit Kucheria 244ebf0bd36SAmit Kucheria if (machine_is_omap_3430sdp() || machine_is_omap_ldp()) { 245ebf0bd36SAmit Kucheria /* Disabling AC charger effect on sleep-active transitions */ 246fc7b92fcSBalaji T K err = twl_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &data, 247ebf0bd36SAmit Kucheria R_CFG_P1_TRANSITION); 248ebf0bd36SAmit Kucheria if (err) 249ebf0bd36SAmit Kucheria goto out; 250ebf0bd36SAmit Kucheria data &= ~(1<<1); 251fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, data , 252ebf0bd36SAmit Kucheria R_CFG_P1_TRANSITION); 253ebf0bd36SAmit Kucheria if (err) 254ebf0bd36SAmit Kucheria goto out; 255ebf0bd36SAmit Kucheria } 256ebf0bd36SAmit Kucheria 257ebf0bd36SAmit Kucheria out: 258ebf0bd36SAmit Kucheria if (err) 259ebf0bd36SAmit Kucheria pr_err("TWL4030 wakeup sequence for P1 and P2" \ 260ebf0bd36SAmit Kucheria "config error\n"); 261ebf0bd36SAmit Kucheria return err; 262ebf0bd36SAmit Kucheria } 263ebf0bd36SAmit Kucheria 264ebf0bd36SAmit Kucheria static int __init twl4030_config_sleep_sequence(u8 address) 265ebf0bd36SAmit Kucheria { 266ebf0bd36SAmit Kucheria int err; 267ebf0bd36SAmit Kucheria 268ebf0bd36SAmit Kucheria /* Set ACTIVE to SLEEP SEQ address in T2 memory*/ 269fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, address, 270ebf0bd36SAmit Kucheria R_SEQ_ADD_A2S); 271ebf0bd36SAmit Kucheria 272ebf0bd36SAmit Kucheria if (err) 273ebf0bd36SAmit Kucheria pr_err("TWL4030 sleep sequence config error\n"); 274ebf0bd36SAmit Kucheria 275ebf0bd36SAmit Kucheria return err; 276ebf0bd36SAmit Kucheria } 277ebf0bd36SAmit Kucheria 278ebf0bd36SAmit Kucheria static int __init twl4030_config_warmreset_sequence(u8 address) 279ebf0bd36SAmit Kucheria { 280ebf0bd36SAmit Kucheria int err; 281ebf0bd36SAmit Kucheria u8 rd_data; 282ebf0bd36SAmit Kucheria 283ebf0bd36SAmit Kucheria /* Set WARM RESET SEQ address for P1 */ 284fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, address, 285ebf0bd36SAmit Kucheria R_SEQ_ADD_WARM); 286ebf0bd36SAmit Kucheria if (err) 287ebf0bd36SAmit Kucheria goto out; 288ebf0bd36SAmit Kucheria 289ebf0bd36SAmit Kucheria /* P1/P2/P3 enable WARMRESET */ 290fc7b92fcSBalaji T K err = twl_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &rd_data, 291ebf0bd36SAmit Kucheria R_P1_SW_EVENTS); 292ebf0bd36SAmit Kucheria if (err) 293ebf0bd36SAmit Kucheria goto out; 294ebf0bd36SAmit Kucheria 295ebf0bd36SAmit Kucheria rd_data |= ENABLE_WARMRESET; 296fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, rd_data, 297ebf0bd36SAmit Kucheria R_P1_SW_EVENTS); 298ebf0bd36SAmit Kucheria if (err) 299ebf0bd36SAmit Kucheria goto out; 300ebf0bd36SAmit Kucheria 301fc7b92fcSBalaji T K err = twl_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &rd_data, 302ebf0bd36SAmit Kucheria R_P2_SW_EVENTS); 303ebf0bd36SAmit Kucheria if (err) 304ebf0bd36SAmit Kucheria goto out; 305ebf0bd36SAmit Kucheria 306ebf0bd36SAmit Kucheria rd_data |= ENABLE_WARMRESET; 307fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, rd_data, 308ebf0bd36SAmit Kucheria R_P2_SW_EVENTS); 309ebf0bd36SAmit Kucheria if (err) 310ebf0bd36SAmit Kucheria goto out; 311ebf0bd36SAmit Kucheria 312fc7b92fcSBalaji T K err = twl_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &rd_data, 313ebf0bd36SAmit Kucheria R_P3_SW_EVENTS); 314ebf0bd36SAmit Kucheria if (err) 315ebf0bd36SAmit Kucheria goto out; 316ebf0bd36SAmit Kucheria 317ebf0bd36SAmit Kucheria rd_data |= ENABLE_WARMRESET; 318fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, rd_data, 319ebf0bd36SAmit Kucheria R_P3_SW_EVENTS); 320ebf0bd36SAmit Kucheria out: 321ebf0bd36SAmit Kucheria if (err) 322ebf0bd36SAmit Kucheria pr_err("TWL4030 warmreset seq config error\n"); 323ebf0bd36SAmit Kucheria return err; 324ebf0bd36SAmit Kucheria } 325ebf0bd36SAmit Kucheria 326ebf0bd36SAmit Kucheria static int __init twl4030_configure_resource(struct twl4030_resconfig *rconfig) 327ebf0bd36SAmit Kucheria { 328ebf0bd36SAmit Kucheria int rconfig_addr; 329ebf0bd36SAmit Kucheria int err; 330ebf0bd36SAmit Kucheria u8 type; 331ebf0bd36SAmit Kucheria u8 grp; 332b4ead61eSAmit Kucheria u8 remap; 333ebf0bd36SAmit Kucheria 334ebf0bd36SAmit Kucheria if (rconfig->resource > TOTAL_RESOURCES) { 335ebf0bd36SAmit Kucheria pr_err("TWL4030 Resource %d does not exist\n", 336ebf0bd36SAmit Kucheria rconfig->resource); 337ebf0bd36SAmit Kucheria return -EINVAL; 338ebf0bd36SAmit Kucheria } 339ebf0bd36SAmit Kucheria 340ebf0bd36SAmit Kucheria rconfig_addr = res_config_addrs[rconfig->resource]; 341ebf0bd36SAmit Kucheria 342ebf0bd36SAmit Kucheria /* Set resource group */ 343fc7b92fcSBalaji T K err = twl_i2c_read_u8(TWL4030_MODULE_PM_RECEIVER, &grp, 344e97d1546SAmit Kucheria rconfig_addr + DEV_GRP_OFFSET); 345ebf0bd36SAmit Kucheria if (err) { 346ebf0bd36SAmit Kucheria pr_err("TWL4030 Resource %d group could not be read\n", 347ebf0bd36SAmit Kucheria rconfig->resource); 348ebf0bd36SAmit Kucheria return err; 349ebf0bd36SAmit Kucheria } 350ebf0bd36SAmit Kucheria 35156baa667SAaro Koskinen if (rconfig->devgroup != TWL4030_RESCONFIG_UNDEF) { 352e97d1546SAmit Kucheria grp &= ~DEV_GRP_MASK; 353e97d1546SAmit Kucheria grp |= rconfig->devgroup << DEV_GRP_SHIFT; 354fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 355e97d1546SAmit Kucheria grp, rconfig_addr + DEV_GRP_OFFSET); 356ebf0bd36SAmit Kucheria if (err < 0) { 357ebf0bd36SAmit Kucheria pr_err("TWL4030 failed to program devgroup\n"); 358ebf0bd36SAmit Kucheria return err; 359ebf0bd36SAmit Kucheria } 360ebf0bd36SAmit Kucheria } 361ebf0bd36SAmit Kucheria 362ebf0bd36SAmit Kucheria /* Set resource types */ 363fc7b92fcSBalaji T K err = twl_i2c_read_u8(TWL4030_MODULE_PM_RECEIVER, &type, 364ebf0bd36SAmit Kucheria rconfig_addr + TYPE_OFFSET); 365ebf0bd36SAmit Kucheria if (err < 0) { 366ebf0bd36SAmit Kucheria pr_err("TWL4030 Resource %d type could not be read\n", 367ebf0bd36SAmit Kucheria rconfig->resource); 368ebf0bd36SAmit Kucheria return err; 369ebf0bd36SAmit Kucheria } 370ebf0bd36SAmit Kucheria 37156baa667SAaro Koskinen if (rconfig->type != TWL4030_RESCONFIG_UNDEF) { 372ebf0bd36SAmit Kucheria type &= ~TYPE_MASK; 373ebf0bd36SAmit Kucheria type |= rconfig->type << TYPE_SHIFT; 374ebf0bd36SAmit Kucheria } 375ebf0bd36SAmit Kucheria 37656baa667SAaro Koskinen if (rconfig->type2 != TWL4030_RESCONFIG_UNDEF) { 377ebf0bd36SAmit Kucheria type &= ~TYPE2_MASK; 378ebf0bd36SAmit Kucheria type |= rconfig->type2 << TYPE2_SHIFT; 379ebf0bd36SAmit Kucheria } 380ebf0bd36SAmit Kucheria 381fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 382ebf0bd36SAmit Kucheria type, rconfig_addr + TYPE_OFFSET); 383ebf0bd36SAmit Kucheria if (err < 0) { 384ebf0bd36SAmit Kucheria pr_err("TWL4030 failed to program resource type\n"); 385ebf0bd36SAmit Kucheria return err; 386ebf0bd36SAmit Kucheria } 387ebf0bd36SAmit Kucheria 388b4ead61eSAmit Kucheria /* Set remap states */ 389fc7b92fcSBalaji T K err = twl_i2c_read_u8(TWL4030_MODULE_PM_RECEIVER, &remap, 390b4ead61eSAmit Kucheria rconfig_addr + REMAP_OFFSET); 391b4ead61eSAmit Kucheria if (err < 0) { 392b4ead61eSAmit Kucheria pr_err("TWL4030 Resource %d remap could not be read\n", 393b4ead61eSAmit Kucheria rconfig->resource); 394b4ead61eSAmit Kucheria return err; 395b4ead61eSAmit Kucheria } 396b4ead61eSAmit Kucheria 39753cf9a60SAmit Kucheria if (rconfig->remap_off != TWL4030_RESCONFIG_UNDEF) { 398b4ead61eSAmit Kucheria remap &= ~OFF_STATE_MASK; 399b4ead61eSAmit Kucheria remap |= rconfig->remap_off << OFF_STATE_SHIFT; 400b4ead61eSAmit Kucheria } 401b4ead61eSAmit Kucheria 40253cf9a60SAmit Kucheria if (rconfig->remap_sleep != TWL4030_RESCONFIG_UNDEF) { 403b4ead61eSAmit Kucheria remap &= ~SLEEP_STATE_MASK; 4041ea933f4SMike Turquette remap |= rconfig->remap_sleep << SLEEP_STATE_SHIFT; 405b4ead61eSAmit Kucheria } 406b4ead61eSAmit Kucheria 407fc7b92fcSBalaji T K err = twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 408b4ead61eSAmit Kucheria remap, 409b4ead61eSAmit Kucheria rconfig_addr + REMAP_OFFSET); 410b4ead61eSAmit Kucheria if (err < 0) { 411b4ead61eSAmit Kucheria pr_err("TWL4030 failed to program remap\n"); 412b4ead61eSAmit Kucheria return err; 413b4ead61eSAmit Kucheria } 414b4ead61eSAmit Kucheria 415ebf0bd36SAmit Kucheria return 0; 416ebf0bd36SAmit Kucheria } 417ebf0bd36SAmit Kucheria 418ebf0bd36SAmit Kucheria static int __init load_twl4030_script(struct twl4030_script *tscript, 419ebf0bd36SAmit Kucheria u8 address) 420ebf0bd36SAmit Kucheria { 421ebf0bd36SAmit Kucheria int err; 42275a74565SAmit Kucheria static int order; 423ebf0bd36SAmit Kucheria 424ebf0bd36SAmit Kucheria /* Make sure the script isn't going beyond last valid address (0x3f) */ 425ebf0bd36SAmit Kucheria if ((address + tscript->size) > END_OF_SCRIPT) { 426ebf0bd36SAmit Kucheria pr_err("TWL4030 scripts too big error\n"); 427ebf0bd36SAmit Kucheria return -EINVAL; 428ebf0bd36SAmit Kucheria } 429ebf0bd36SAmit Kucheria 430ebf0bd36SAmit Kucheria err = twl4030_write_script(address, tscript->script, tscript->size); 431ebf0bd36SAmit Kucheria if (err) 432ebf0bd36SAmit Kucheria goto out; 433ebf0bd36SAmit Kucheria 434ebf0bd36SAmit Kucheria if (tscript->flags & TWL4030_WRST_SCRIPT) { 435ebf0bd36SAmit Kucheria err = twl4030_config_warmreset_sequence(address); 436ebf0bd36SAmit Kucheria if (err) 437ebf0bd36SAmit Kucheria goto out; 438ebf0bd36SAmit Kucheria } 439ebf0bd36SAmit Kucheria if (tscript->flags & TWL4030_WAKEUP12_SCRIPT) { 440ebf0bd36SAmit Kucheria err = twl4030_config_wakeup12_sequence(address); 441ebf0bd36SAmit Kucheria if (err) 442ebf0bd36SAmit Kucheria goto out; 44375a74565SAmit Kucheria order = 1; 444ebf0bd36SAmit Kucheria } 445ebf0bd36SAmit Kucheria if (tscript->flags & TWL4030_WAKEUP3_SCRIPT) { 446ebf0bd36SAmit Kucheria err = twl4030_config_wakeup3_sequence(address); 447ebf0bd36SAmit Kucheria if (err) 448ebf0bd36SAmit Kucheria goto out; 449ebf0bd36SAmit Kucheria } 450c62dd365SLesly A M if (tscript->flags & TWL4030_SLEEP_SCRIPT) { 4511f968ff6SLesly A M if (!order) 45275a74565SAmit Kucheria pr_warning("TWL4030: Bad order of scripts (sleep "\ 45375a74565SAmit Kucheria "script before wakeup) Leads to boot"\ 45475a74565SAmit Kucheria "failure on some boards\n"); 455ebf0bd36SAmit Kucheria err = twl4030_config_sleep_sequence(address); 456c62dd365SLesly A M } 457ebf0bd36SAmit Kucheria out: 458ebf0bd36SAmit Kucheria return err; 459ebf0bd36SAmit Kucheria } 460ebf0bd36SAmit Kucheria 46111a441ceSMike Turquette int twl4030_remove_script(u8 flags) 46211a441ceSMike Turquette { 46311a441ceSMike Turquette int err = 0; 46411a441ceSMike Turquette 46571084406SFelipe Balbi err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 46671084406SFelipe Balbi TWL4030_PM_MASTER_KEY_CFG1, 46771084406SFelipe Balbi TWL4030_PM_MASTER_PROTECT_KEY); 46811a441ceSMike Turquette if (err) { 46911a441ceSMike Turquette pr_err("twl4030: unable to unlock PROTECT_KEY\n"); 47011a441ceSMike Turquette return err; 47111a441ceSMike Turquette } 47211a441ceSMike Turquette 47371084406SFelipe Balbi err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 47471084406SFelipe Balbi TWL4030_PM_MASTER_KEY_CFG2, 47571084406SFelipe Balbi TWL4030_PM_MASTER_PROTECT_KEY); 47611a441ceSMike Turquette if (err) { 47711a441ceSMike Turquette pr_err("twl4030: unable to unlock PROTECT_KEY\n"); 47811a441ceSMike Turquette return err; 47911a441ceSMike Turquette } 48011a441ceSMike Turquette 48111a441ceSMike Turquette if (flags & TWL4030_WRST_SCRIPT) { 48211a441ceSMike Turquette err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, END_OF_SCRIPT, 48311a441ceSMike Turquette R_SEQ_ADD_WARM); 48411a441ceSMike Turquette if (err) 48511a441ceSMike Turquette return err; 48611a441ceSMike Turquette } 48711a441ceSMike Turquette if (flags & TWL4030_WAKEUP12_SCRIPT) { 48811a441ceSMike Turquette if (err) 48911a441ceSMike Turquette err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, END_OF_SCRIPT, 49011a441ceSMike Turquette R_SEQ_ADD_S2A12); 49111a441ceSMike Turquette return err; 49211a441ceSMike Turquette } 49311a441ceSMike Turquette if (flags & TWL4030_WAKEUP3_SCRIPT) { 49411a441ceSMike Turquette err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, END_OF_SCRIPT, 49511a441ceSMike Turquette R_SEQ_ADD_S2A3); 49611a441ceSMike Turquette if (err) 49711a441ceSMike Turquette return err; 49811a441ceSMike Turquette } 49911a441ceSMike Turquette if (flags & TWL4030_SLEEP_SCRIPT) { 50011a441ceSMike Turquette err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, END_OF_SCRIPT, 50111a441ceSMike Turquette R_SEQ_ADD_A2S); 50211a441ceSMike Turquette if (err) 50311a441ceSMike Turquette return err; 50411a441ceSMike Turquette } 50511a441ceSMike Turquette 50671084406SFelipe Balbi err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 0, 50771084406SFelipe Balbi TWL4030_PM_MASTER_PROTECT_KEY); 50811a441ceSMike Turquette if (err) 50911a441ceSMike Turquette pr_err("TWL4030 Unable to relock registers\n"); 51011a441ceSMike Turquette 51111a441ceSMike Turquette return err; 51211a441ceSMike Turquette } 51311a441ceSMike Turquette 514ebf0bd36SAmit Kucheria void __init twl4030_power_init(struct twl4030_power_data *twl4030_scripts) 515ebf0bd36SAmit Kucheria { 516ebf0bd36SAmit Kucheria int err = 0; 517ebf0bd36SAmit Kucheria int i; 518ebf0bd36SAmit Kucheria struct twl4030_resconfig *resconfig; 519ebf0bd36SAmit Kucheria u8 address = twl4030_start_script_address; 520ebf0bd36SAmit Kucheria 52171084406SFelipe Balbi err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 52271084406SFelipe Balbi TWL4030_PM_MASTER_KEY_CFG1, 52371084406SFelipe Balbi TWL4030_PM_MASTER_PROTECT_KEY); 524ebf0bd36SAmit Kucheria if (err) 525ebf0bd36SAmit Kucheria goto unlock; 526ebf0bd36SAmit Kucheria 52771084406SFelipe Balbi err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 52871084406SFelipe Balbi TWL4030_PM_MASTER_KEY_CFG2, 52971084406SFelipe Balbi TWL4030_PM_MASTER_PROTECT_KEY); 530ebf0bd36SAmit Kucheria if (err) 531ebf0bd36SAmit Kucheria goto unlock; 532ebf0bd36SAmit Kucheria 533ebf0bd36SAmit Kucheria for (i = 0; i < twl4030_scripts->num; i++) { 534ebf0bd36SAmit Kucheria err = load_twl4030_script(twl4030_scripts->scripts[i], address); 535ebf0bd36SAmit Kucheria if (err) 536ebf0bd36SAmit Kucheria goto load; 537ebf0bd36SAmit Kucheria address += twl4030_scripts->scripts[i]->size; 538ebf0bd36SAmit Kucheria } 539ebf0bd36SAmit Kucheria 540ebf0bd36SAmit Kucheria resconfig = twl4030_scripts->resource_config; 541ebf0bd36SAmit Kucheria if (resconfig) { 542ebf0bd36SAmit Kucheria while (resconfig->resource) { 543ebf0bd36SAmit Kucheria err = twl4030_configure_resource(resconfig); 544ebf0bd36SAmit Kucheria if (err) 545ebf0bd36SAmit Kucheria goto resource; 546ebf0bd36SAmit Kucheria resconfig++; 547ebf0bd36SAmit Kucheria 548ebf0bd36SAmit Kucheria } 549ebf0bd36SAmit Kucheria } 550ebf0bd36SAmit Kucheria 55171084406SFelipe Balbi err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 0, 55271084406SFelipe Balbi TWL4030_PM_MASTER_PROTECT_KEY); 553ebf0bd36SAmit Kucheria if (err) 554ebf0bd36SAmit Kucheria pr_err("TWL4030 Unable to relock registers\n"); 555ebf0bd36SAmit Kucheria return; 556ebf0bd36SAmit Kucheria 557ebf0bd36SAmit Kucheria unlock: 558ebf0bd36SAmit Kucheria if (err) 559ebf0bd36SAmit Kucheria pr_err("TWL4030 Unable to unlock registers\n"); 560ebf0bd36SAmit Kucheria return; 561ebf0bd36SAmit Kucheria load: 562ebf0bd36SAmit Kucheria if (err) 563ebf0bd36SAmit Kucheria pr_err("TWL4030 failed to load scripts\n"); 564ebf0bd36SAmit Kucheria return; 565ebf0bd36SAmit Kucheria resource: 566ebf0bd36SAmit Kucheria if (err) 567ebf0bd36SAmit Kucheria pr_err("TWL4030 failed to configure resource\n"); 568ebf0bd36SAmit Kucheria return; 569ebf0bd36SAmit Kucheria } 570