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<?xml version="1.0"?>
<!-- Copyright (C) 2008 Free Software Foundation, Inc.

     Copying and distribution of this file, with or without modification,
     are permitted in any medium without royalty provided the copyright
     notice and this notice are preserved.  -->
<!DOCTYPE feature SYSTEM "gdb-target.dtd">
<feature name="org.gnu.gdb.arm.vfp">
  <vector id="neon_uint8x8" type="uint8" count="8"/>
  <vector id="neon_uint16x4" type="uint16" count="4"/>
  <vector id="neon_uint32x2" type="uint32" count="2"/>
  <vector id="neon_float32x2" type="ieee_single" count="2"/>
  <union id="neon_d">
    <field name="u8" type="neon_uint8x8"/>
    <field name="u16" type="neon_uint16x4"/>
    <field name="u32" type="neon_uint32x2"/>
    <field name="u64" type="uint64"/>
    <field name="f32" type="neon_float32x2"/>
    <field name="f64" type="ieee_double"/>
  </union>
  <vector id="neon_uint8x16" type="uint8" count="16"/>
  <vector id="neon_uint16x8" type="uint16" count="8"/>
  <vector id="neon_uint32x4" type="uint32" count="4"/>
  <vector id="neon_uint64x2" type="uint64" count="2"/>
  <vector id="neon_float32x4" type="ieee_single" count="4"/>
  <vector id="neon_float64x2" type="ieee_double" count="2"/>
  <union id="neon_q">
    <field name="u8" type="neon_uint8x16"/>
    <field name="u16" type="neon_uint16x8"/>
    <field name="u32" type="neon_uint32x4"/>
    <field name="u64" type="neon_uint64x2"/>
    <field name="f32" type="neon_float32x4"/>
    <field name="f64" type="neon_float64x2"/>
  </union>
  <reg name="d0" bitsize="64" type="neon_d"/>
  <reg name="d1" bitsize="64" type="neon_d"/>
  <reg name="d2" bitsize="64" type="neon_d"/>
  <reg name="d3" bitsize="64" type="neon_d"/>
  <reg name="d4" bitsize="64" type="neon_d"/>
  <reg name="d5" bitsize="64" type="neon_d"/>
  <reg name="d6" bitsize="64" type="neon_d"/>
  <reg name="d7" bitsize="64" type="neon_d"/>
  <reg name="d8" bitsize="64" type="neon_d"/>
  <reg name="d9" bitsize="64" type="neon_d"/>
  <reg name="d10" bitsize="64" type="neon_d"/>
  <reg name="d11" bitsize="64" type="neon_d"/>
  <reg name="d12" bitsize="64" type="neon_d"/>
  <reg name="d13" bitsize="64" type="neon_d"/>
  <reg name="d14" bitsize="64" type="neon_d"/>
  <reg name="d15" bitsize="64" type="neon_d"/>
  <reg name="d16" bitsize="64" type="neon_d"/>
  <reg name="d17" bitsize="64" type="neon_d"/>
  <reg name="d18" bitsize="64" type="neon_d"/>
  <reg name="d19" bitsize="64" type="neon_d"/>
  <reg name="d20" bitsize="64" type="neon_d"/>
  <reg name="d21" bitsize="64" type="neon_d"/>
  <reg name="d22" bitsize="64" type="neon_d"/>
  <reg name="d23" bitsize="64" type="neon_d"/>
  <reg name="d24" bitsize="64" type="neon_d"/>
  <reg name="d25" bitsize="64" type="neon_d"/>
  <reg name="d26" bitsize="64" type="neon_d"/>
  <reg name="d27" bitsize="64" type="neon_d"/>
  <reg name="d28" bitsize="64" type="neon_d"/>
  <reg name="d29" bitsize="64" type="neon_d"/>
  <reg name="d30" bitsize="64" type="neon_d"/>
  <reg name="d31" bitsize="64" type="neon_d"/>

  <reg name="q0" bitsize="128" type="neon_q"/>
  <reg name="q1" bitsize="128" type="neon_q"/>
  <reg name="q2" bitsize="128" type="neon_q"/>
  <reg name="q3" bitsize="128" type="neon_q"/>
  <reg name="q4" bitsize="128" type="neon_q"/>
  <reg name="q5" bitsize="128" type="neon_q"/>
  <reg name="q6" bitsize="128" type="neon_q"/>
  <reg name="q7" bitsize="128" type="neon_q"/>
  <reg name="q8" bitsize="128" type="neon_q"/>
  <reg name="q9" bitsize="128" type="neon_q"/>
  <reg name="q10" bitsize="128" type="neon_q"/>
  <reg name="q10" bitsize="128" type="neon_q"/>
  <reg name="q12" bitsize="128" type="neon_q"/>
  <reg name="q13" bitsize="128" type="neon_q"/>
  <reg name="q14" bitsize="128" type="neon_q"/>
  <reg name="q15" bitsize="128" type="neon_q"/>

  <reg name="fpsid" bitsize="32" type="int" group="float"/>
  <reg name="fpscr" bitsize="32" type="int" group="float"/>
  <reg name="fpexc" bitsize="32" type="int" group="float"/>
</feature>
n">led_no, bool on) { int rval; if (led_no == LM3560_LED0) { if (on) rval = regmap_update_bits(flash->regmap, REG_ENABLE, 0x08, 0x08); else rval = regmap_update_bits(flash->regmap, REG_ENABLE, 0x08, 0x00); } else { if (on) rval = regmap_update_bits(flash->regmap, REG_ENABLE, 0x10, 0x10); else rval = regmap_update_bits(flash->regmap, REG_ENABLE, 0x10, 0x00); } return rval; } /* torch1/2 brightness control */ static int lm3560_torch_brt_ctrl(struct lm3560_flash *flash, enum lm3560_led_id led_no, unsigned int brt) { int rval; u8 br_bits; if (brt < LM3560_TORCH_BRT_MIN) return lm3560_enable_ctrl(flash, led_no, false); else rval = lm3560_enable_ctrl(flash, led_no, true); br_bits = LM3560_TORCH_BRT_uA_TO_REG(brt); if (led_no == LM3560_LED0) rval = regmap_update_bits(flash->regmap, REG_TORCH_BR, 0x07, br_bits); else rval = regmap_update_bits(flash->regmap, REG_TORCH_BR, 0x38, br_bits << 3); return rval; } /* flash1/2 brightness control */ static int lm3560_flash_brt_ctrl(struct lm3560_flash *flash, enum lm3560_led_id led_no, unsigned int brt) { int rval; u8 br_bits; if (brt < LM3560_FLASH_BRT_MIN) return lm3560_enable_ctrl(flash, led_no, false); else rval = lm3560_enable_ctrl(flash, led_no, true); br_bits = LM3560_FLASH_BRT_uA_TO_REG(brt); if (led_no == LM3560_LED0) rval = regmap_update_bits(flash->regmap, REG_FLASH_BR, 0x0f, br_bits); else rval = regmap_update_bits(flash->regmap, REG_FLASH_BR, 0xf0, br_bits << 4); return rval; } /* v4l2 controls */ static int lm3560_get_ctrl(struct v4l2_ctrl *ctrl, enum lm3560_led_id led_no) { struct lm3560_flash *flash = to_lm3560_flash(ctrl, led_no); int rval = -EINVAL; mutex_lock(&flash->lock); if (ctrl->id == V4L2_CID_FLASH_FAULT) { s32 fault = 0; unsigned int reg_val; rval = regmap_read(flash->regmap, REG_FLAG, &reg_val); if (rval < 0) goto out; if (reg_val & FAULT_SHORT_CIRCUIT) fault |= V4L2_FLASH_FAULT_SHORT_CIRCUIT; if (reg_val & FAULT_OVERTEMP) fault |= V4L2_FLASH_FAULT_OVER_TEMPERATURE; if (reg_val & FAULT_TIMEOUT) fault |= V4L2_FLASH_FAULT_TIMEOUT; ctrl->cur.val = fault; } out: mutex_unlock(&flash->lock); return rval; } static int lm3560_set_ctrl(struct v4l2_ctrl *ctrl, enum lm3560_led_id led_no) { struct lm3560_flash *flash = to_lm3560_flash(ctrl, led_no); u8 tout_bits; int rval = -EINVAL; mutex_lock(&flash->lock); switch (ctrl->id) { case V4L2_CID_FLASH_LED_MODE: flash->led_mode = ctrl->val; if (flash->led_mode != V4L2_FLASH_LED_MODE_FLASH) rval = lm3560_mode_ctrl(flash); break; case V4L2_CID_FLASH_STROBE_SOURCE: rval = regmap_update_bits(flash->regmap, REG_CONFIG1, 0x04, (ctrl->val) << 2); if (rval < 0) goto err_out; break; case V4L2_CID_FLASH_STROBE: if (flash->led_mode != V4L2_FLASH_LED_MODE_FLASH) { rval = -EBUSY; goto err_out; } flash->led_mode = V4L2_FLASH_LED_MODE_FLASH; rval = lm3560_mode_ctrl(flash); break; case V4L2_CID_FLASH_STROBE_STOP: if (flash->led_mode != V4L2_FLASH_LED_MODE_FLASH) { rval = -EBUSY; goto err_out; } flash->led_mode = V4L2_FLASH_LED_MODE_NONE; rval = lm3560_mode_ctrl(flash); break; case V4L2_CID_FLASH_TIMEOUT: tout_bits = LM3560_FLASH_TOUT_ms_TO_REG(ctrl->val); rval = regmap_update_bits(flash->regmap, REG_FLASH_TOUT, 0x1f, tout_bits); break; case V4L2_CID_FLASH_INTENSITY: rval = lm3560_flash_brt_ctrl(flash, led_no, ctrl->val); break; case V4L2_CID_FLASH_TORCH_INTENSITY: rval = lm3560_torch_brt_ctrl(flash, led_no, ctrl->val); break; } err_out: mutex_unlock(&flash->lock); return rval; } static int lm3560_led1_get_ctrl(struct v4l2_ctrl *ctrl) { return lm3560_get_ctrl(ctrl, LM3560_LED1); } static int lm3560_led1_set_ctrl(struct v4l2_ctrl *ctrl) { return lm3560_set_ctrl(ctrl, LM3560_LED1); } static int lm3560_led0_get_ctrl(struct v4l2_ctrl *ctrl) { return lm3560_get_ctrl(ctrl, LM3560_LED0); } static int lm3560_led0_set_ctrl(struct v4l2_ctrl *ctrl) { return lm3560_set_ctrl(ctrl, LM3560_LED0); } static const struct v4l2_ctrl_ops lm3560_led_ctrl_ops[LM3560_LED_MAX] = { [LM3560_LED0] = { .g_volatile_ctrl = lm3560_led0_get_ctrl, .s_ctrl = lm3560_led0_set_ctrl, }, [LM3560_LED1] = { .g_volatile_ctrl = lm3560_led1_get_ctrl, .s_ctrl = lm3560_led1_set_ctrl, } }; static int lm3560_init_controls(struct lm3560_flash *flash, enum lm3560_led_id led_no) { struct v4l2_ctrl *fault; u32 max_flash_brt = flash->pdata->max_flash_brt[led_no]; u32 max_torch_brt = flash->pdata->max_torch_brt[led_no]; struct v4l2_ctrl_handler *hdl = &flash->ctrls_led[led_no]; const struct v4l2_ctrl_ops *ops = &lm3560_led_ctrl_ops[led_no]; v4l2_ctrl_handler_init(hdl, 8); /* flash mode */ v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_FLASH_LED_MODE, V4L2_FLASH_LED_MODE_TORCH, ~0x7, V4L2_FLASH_LED_MODE_NONE); flash->led_mode = V4L2_FLASH_LED_MODE_NONE; /* flash source */ v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_FLASH_STROBE_SOURCE, 0x1, ~0x3, V4L2_FLASH_STROBE_SOURCE_SOFTWARE); /* flash strobe */ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_STROBE, 0, 0, 0, 0); /* flash strobe stop */ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_STROBE_STOP, 0, 0, 0, 0); /* flash strobe timeout */ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_TIMEOUT, LM3560_FLASH_TOUT_MIN, flash->pdata->max_flash_timeout, LM3560_FLASH_TOUT_STEP, flash->pdata->max_flash_timeout); /* flash brt */ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_INTENSITY, LM3560_FLASH_BRT_MIN, max_flash_brt, LM3560_FLASH_BRT_STEP, max_flash_brt); /* torch brt */ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_TORCH_INTENSITY, LM3560_TORCH_BRT_MIN, max_torch_brt, LM3560_TORCH_BRT_STEP, max_torch_brt); /* fault */ fault = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_FAULT, 0, V4L2_FLASH_FAULT_OVER_VOLTAGE | V4L2_FLASH_FAULT_OVER_TEMPERATURE | V4L2_FLASH_FAULT_SHORT_CIRCUIT | V4L2_FLASH_FAULT_TIMEOUT, 0, 0); if (fault != NULL) fault->flags |= V4L2_CTRL_FLAG_VOLATILE; if (hdl->error) return hdl->error; flash->subdev_led[led_no].ctrl_handler = hdl; return 0; } /* initialize device */ static const struct v4l2_subdev_ops lm3560_ops = { .core = NULL, }; static const struct regmap_config lm3560_regmap = { .reg_bits = 8, .val_bits = 8, .max_register = 0xFF, }; static int lm3560_subdev_init(struct lm3560_flash *flash, enum lm3560_led_id led_no, char *led_name) { struct i2c_client *client = to_i2c_client(flash->dev); int rval; v4l2_i2c_subdev_init(&flash->subdev_led[led_no], client, &lm3560_ops); flash->subdev_led[led_no].flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; strcpy(flash->subdev_led[led_no].name, led_name); rval = lm3560_init_controls(flash, led_no); if (rval) goto err_out; rval = media_entity_init(&flash->subdev_led[led_no].entity, 0, NULL, 0); if (rval < 0) goto err_out; flash->subdev_led[led_no].entity.type = MEDIA_ENT_T_V4L2_SUBDEV_FLASH; return rval; err_out: v4l2_ctrl_handler_free(&flash->ctrls_led[led_no]); return rval; } static int lm3560_init_device(struct lm3560_flash *flash) { int rval; unsigned int reg_val; /* set peak current */ rval = regmap_update_bits(flash->regmap, REG_FLASH_TOUT, 0x60, flash->pdata->peak); if (rval < 0) return rval; /* output disable */ flash->led_mode = V4L2_FLASH_LED_MODE_NONE; rval = lm3560_mode_ctrl(flash); if (rval < 0) return rval; /* reset faults */ rval = regmap_read(flash->regmap, REG_FLAG, &reg_val); return rval; } static int lm3560_probe(struct i2c_client *client, const struct i2c_device_id *devid) { struct lm3560_flash *flash; struct lm3560_platform_data *pdata = dev_get_platdata(&client->dev); int rval; flash = devm_kzalloc(&client->dev, sizeof(*flash), GFP_KERNEL); if (flash == NULL) return -ENOMEM; flash->regmap = devm_regmap_init_i2c(client, &lm3560_regmap); if (IS_ERR(flash->regmap)) { rval = PTR_ERR(flash->regmap); return rval; } /* if there is no platform data, use chip default value */ if (pdata == NULL) { pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL); if (pdata == NULL) return -ENODEV; pdata->peak = LM3560_PEAK_3600mA; pdata->max_flash_timeout = LM3560_FLASH_TOUT_MAX; /* led 1 */ pdata->max_flash_brt[LM3560_LED0] = LM3560_FLASH_BRT_MAX; pdata->max_torch_brt[LM3560_LED0] = LM3560_TORCH_BRT_MAX; /* led 2 */ pdata->max_flash_brt[LM3560_LED1] = LM3560_FLASH_BRT_MAX; pdata->max_torch_brt[LM3560_LED1] = LM3560_TORCH_BRT_MAX; } flash->pdata = pdata; flash->dev = &client->dev; mutex_init(&flash->lock); rval = lm3560_subdev_init(flash, LM3560_LED0, "lm3560-led0"); if (rval < 0) return rval; rval = lm3560_subdev_init(flash, LM3560_LED1, "lm3560-led1"); if (rval < 0) return rval; rval = lm3560_init_device(flash); if (rval < 0) return rval; i2c_set_clientdata(client, flash); return 0; } static int lm3560_remove(struct i2c_client *client) { struct lm3560_flash *flash = i2c_get_clientdata(client); unsigned int i; for (i = LM3560_LED0; i < LM3560_LED_MAX; i++) { v4l2_device_unregister_subdev(&flash->subdev_led[i]); v4l2_ctrl_handler_free(&flash->ctrls_led[i]); media_entity_cleanup(&flash->subdev_led[i].entity); } return 0; } static const struct i2c_device_id lm3560_id_table[] = { {LM3560_NAME, 0}, {} }; MODULE_DEVICE_TABLE(i2c, lm3560_id_table); static struct i2c_driver lm3560_i2c_driver = { .driver = { .name = LM3560_NAME, .pm = NULL, }, .probe = lm3560_probe, .remove = lm3560_remove, .id_table = lm3560_id_table, }; module_i2c_driver(lm3560_i2c_driver); MODULE_AUTHOR("Daniel Jeong <gshark.jeong@gmail.com>"); MODULE_AUTHOR("Ldd Mlp <ldd-mlp@list.ti.com>"); MODULE_DESCRIPTION("Texas Instruments LM3560 LED flash driver"); MODULE_LICENSE("GPL");