void tegra_platform_edp_init(struct thermal_trip_info *trips,
int *num_trips, int margin)
{
const struct tegra_edp_limits *cpu_edp_limits;
struct thermal_trip_info *trip_state;
int i, cpu_edp_limits_size;
if (!trips || !num_trips)
return;
/* edp capping */
tegra_get_cpu_edp_limits(&cpu_edp_limits, &cpu_edp_limits_size);
if (cpu_edp_limits_size > MAX_THROT_TABLE_SIZE)
BUG();
for (i = 0; i < cpu_edp_limits_size-1; i++) {
trip_state = &trips[*num_trips];
trip_state->cdev_type = "cpu_edp";
trip_state->trip_temp =
(cpu_edp_limits[i].temperature * 1000) - margin;
trip_state->trip_type = THERMAL_TRIP_ACTIVE;
trip_state->upper = trip_state->lower = i + 1;
(*num_trips)++;
if (*num_trips >= THERMAL_MAX_TRIPS)
BUG();
}
}
static void enterprise_nct1008_init(void)
{
int ret;
struct nct1008_platform_data *pdata;
#ifdef CONFIG_TEGRA_EDP_LIMITS
const struct tegra_edp_limits *z;
int zones_sz;
int i;
bool throttle_ok = false;
#endif
tegra_gpio_enable(TEGRA_GPIO_PH7);
ret = gpio_request(TEGRA_GPIO_PH7, "temp_alert");
if (ret < 0) {
pr_err("%s: gpio_request failed %d\n", __func__, ret);
return;
}
ret = gpio_direction_input(TEGRA_GPIO_PH7);
if (ret < 0) {
pr_err("%s: gpio_direction_input failed %d\n", __func__, ret);
gpio_free(TEGRA_GPIO_PH7);
return;
}
/* Temperature guardband AP30S DSC: bug 844025 */
pdata = enterprise_i2c4_nct1008_board_info[0].platform_data;
pdata->offset = 33; /* 4 * 8.25C */
i2c_register_board_info(4, enterprise_i2c4_nct1008_board_info,
ARRAY_SIZE(enterprise_i2c4_nct1008_board_info));
#ifdef CONFIG_TEGRA_EDP_LIMITS
tegra_get_cpu_edp_limits(&z, &zones_sz);
zones_sz = min(zones_sz, MAX_ZONES);
for (i = 0; i < zones_sz; i++) {
enterprise_nct1008_pdata.thermal_zones[i] = z[i].temperature;
if (enterprise_nct1008_pdata.thermal_zones[i] ==
enterprise_nct1008_pdata.throttling_ext_limit) {
throttle_ok = true;
}
}
if (throttle_ok != true)
pr_warn("%s: WARNING! Throttling limit %dC would be inaccurate"
" as it is NOT one of the EDP points\n",
__func__, enterprise_nct1008_pdata.throttling_ext_limit);
else
pr_info("%s: Throttling limit %dC OK\n",
__func__, enterprise_nct1008_pdata.throttling_ext_limit);
enterprise_nct1008_pdata.thermal_zones_sz = zones_sz;
#endif
}
static int edp_debugfs_show(struct seq_file *s, void *data)
{
int i;
const struct tegra_edp_limits *limits;
int size;
tegra_get_cpu_edp_limits(&limits, &size);
seq_printf(s, "-- EDP table --\n");
for (i = 0; i < size; i++) {
seq_printf(s, "%4dC: %10d %10d %10d %10d\n",
limits[i].temperature,
limits[i].freq_limits[0],
limits[i].freq_limits[1],
limits[i].freq_limits[2],
limits[i].freq_limits[3]);
}
return 0;
}
static int cardhu_nct1008_init(void)
{
int nct1008_port = -1;
int ret;
#ifdef CONFIG_TEGRA_EDP_LIMITS
const struct tegra_edp_limits *z;
int zones_sz;
int i;
bool throttle_ok = false;
#endif
if ((board_info.board_id == BOARD_E1198) ||
(board_info.board_id == BOARD_E1291) ||
(board_info.board_id == BOARD_PM269)) {
nct1008_port = TEGRA_GPIO_PCC2;
} else if ((board_info.board_id == BOARD_E1186) ||
(board_info.board_id == BOARD_E1187) ||
(board_info.board_id == BOARD_E1256)) {
/* FIXME: seems to be conflicting with usb3 vbus on E1186 */
/* nct1008_port = TEGRA_GPIO_PH7; */
}
nct1008_port = TEGRA_GPIO_PCC2;
if (nct1008_port >= 0) {
/* FIXME: enable irq when throttling is supported */
cardhu_i2c4_nct1008_board_info[0].irq = TEGRA_GPIO_TO_IRQ(nct1008_port);
ret = gpio_request(nct1008_port, "temp_alert");
if (ret < 0)
return ret;
ret = gpio_direction_input(nct1008_port);
if (ret < 0)
gpio_free(nct1008_port);
else
tegra_gpio_enable(nct1008_port);
}
#ifdef CONFIG_TEGRA_EDP_LIMITS
tegra_get_cpu_edp_limits(&z, &zones_sz);
zones_sz = min(zones_sz, MAX_ZONES);
for (i = 0; i < zones_sz; i++) {
cardhu_nct1008_pdata.thermal_zones[i] = z[i].temperature;
if (cardhu_nct1008_pdata.thermal_zones[i] ==
cardhu_nct1008_pdata.throttling_ext_limit) {
throttle_ok = true;
}
}
if (throttle_ok != true)
pr_warn("%s: WARNING! Throttling limit %dC would be inaccurate"
" as it is NOT one of the EDP points\n",
__func__, cardhu_nct1008_pdata.throttling_ext_limit);
else
pr_info("%s: Throttling limit %dC OK\n",
__func__, cardhu_nct1008_pdata.throttling_ext_limit);
cardhu_nct1008_pdata.thermal_zones_sz = zones_sz;
#endif
return ret;
}
