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-rw-r--r--src/drivers/intel/mipi_camera/camera.c98
-rw-r--r--src/drivers/intel/mipi_camera/chip.h61
2 files changed, 159 insertions, 0 deletions
diff --git a/src/drivers/intel/mipi_camera/camera.c b/src/drivers/intel/mipi_camera/camera.c
index 03e5ab65db..f32f744f8f 100644
--- a/src/drivers/intel/mipi_camera/camera.c
+++ b/src/drivers/intel/mipi_camera/camera.c
@@ -17,6 +17,7 @@
#define DEFAULT_REMOTE_NAME "\\_SB.PCI0.CIO2"
#define CIO2_PCI_DEV 0x14
#define CIO2_PCI_FN 0x3
+#define POWER_RESOURCE_NAME "PRIC"
/*
* This implementation assumes there is only 1 endpoint at each end of every data port. It also
@@ -435,6 +436,58 @@ static void camera_fill_vcm(const struct device *dev)
acpi_dp_write(dsd);
}
+static void fill_power_res_sequence(struct drivers_intel_mipi_camera_config *config,
+ struct operation_seq *seq)
+{
+ unsigned int i;
+ uint8_t index;
+ uint8_t gpio_num;
+
+ for (i = 0; i < seq->ops_cnt; i++) {
+ switch (seq->ops[i].type) {
+ case IMGCLK:
+ index = seq->ops[i].index;
+ if (seq->ops[i].action == ENABLE) {
+ acpigen_emit_namestring("MCON");
+ acpigen_write_byte(config->clk_panel.clks[index].clknum);
+ acpigen_write_byte(config->clk_panel.clks[index].freq);
+ } else if (seq->ops[i].action == DISABLE) {
+ acpigen_emit_namestring("MCOF");
+ acpigen_write_byte(config->clk_panel.clks[index].clknum);
+ } else {
+ acpigen_write_debug_string("Unsupported clock action");
+ printk(BIOS_ERR, "Unsupported clock action: %x\n",
+ seq->ops[i].action);
+ printk(BIOS_ERR, "OS camera driver will likely not work");
+ }
+
+ break;
+ case GPIO:
+ index = seq->ops[i].index;
+ gpio_num = config->gpio_panel.gpio[index].gpio_num;
+ if (seq->ops[i].action == ENABLE) {
+ acpigen_soc_set_tx_gpio(gpio_num);
+ } else if (seq->ops[i].action == DISABLE) {
+ acpigen_soc_clear_tx_gpio(gpio_num);
+ } else {
+ acpigen_write_debug_string("Unsupported GPIO action");
+ printk(BIOS_ERR, "Unsupported GPIO action: %x\n",
+ seq->ops[i].action);
+ printk(BIOS_ERR, "OS camera driver will likely not work");
+ }
+
+ break;
+ default:
+ printk(BIOS_ERR, "Unsupported power operation: %x\n", seq->ops[i].type);
+ printk(BIOS_ERR, "OS camera driver will likely not work");
+ break;
+ }
+
+ if (seq->ops[i].delay_ms)
+ acpigen_write_sleep(seq->ops[i].delay_ms);
+ }
+}
+
static void write_pci_camera_device(const struct device *dev)
{
struct drivers_intel_mipi_camera_config *config = dev->chip_info;
@@ -467,6 +520,40 @@ static void write_i2c_camera_device(const struct device *dev, const char *scope)
acpigen_write_device(acpi_device_name(dev));
+ /* add power resource */
+ if (config->has_power_resource) {
+ acpigen_write_power_res(POWER_RESOURCE_NAME, 0, 0, NULL, 0);
+ acpigen_write_name_integer("STA", 0);
+ acpigen_write_STA_ext("STA");
+
+ acpigen_write_method_serialized("_ON", 0);
+ acpigen_write_if();
+ acpigen_emit_byte(LEQUAL_OP);
+ acpigen_emit_namestring("STA");
+ acpigen_write_integer(0);
+
+ fill_power_res_sequence(config, &config->on_seq);
+
+ acpigen_write_store_op_to_namestr(1, "STA");
+ acpigen_pop_len(); /* if */
+ acpigen_pop_len(); /* _ON */
+
+ /* _OFF operations */
+ acpigen_write_method_serialized("_OFF", 0);
+ acpigen_write_if();
+ acpigen_emit_byte(LEQUAL_OP);
+ acpigen_emit_namestring("STA");
+ acpigen_write_integer(1);
+
+ fill_power_res_sequence(config, &config->off_seq);
+
+ acpigen_write_store_op_to_namestr(0, "STA");
+ acpigen_pop_len(); /* if */
+ acpigen_pop_len(); /* _ON */
+
+ acpigen_pop_len(); /* Power Resource */
+ }
+
if (config->device_type == INTEL_ACPI_CAMERA_SENSOR)
acpigen_write_name_integer("_ADR", 0);
@@ -519,6 +606,17 @@ static void write_camera_device_common(const struct device *dev)
acpigen_write_name_integer("CAMD", config->device_type);
}
+ if (config->pr0 || config->has_power_resource) {
+ acpigen_write_name("_PR0");
+ acpigen_write_package(1);
+ if (config->pr0)
+ acpigen_emit_namestring(config->pr0); /* External power resource */
+ else
+ acpigen_emit_namestring(POWER_RESOURCE_NAME);
+
+ acpigen_pop_len(); /* _PR0 */
+ }
+
switch (config->device_type) {
case INTEL_ACPI_CAMERA_CIO2:
camera_fill_cio2(dev);
diff --git a/src/drivers/intel/mipi_camera/chip.h b/src/drivers/intel/mipi_camera/chip.h
index 92d3eac6cf..d133f7df86 100644
--- a/src/drivers/intel/mipi_camera/chip.h
+++ b/src/drivers/intel/mipi_camera/chip.h
@@ -10,6 +10,18 @@
#define MAX_PWDB_ENTRIES 12
#define MAX_PORT_ENTRIES 4
#define MAX_LINK_FREQ_ENTRIES 4
+#define MAX_CLK_CONFIGS 2
+#define MAX_GPIO_CONFIGS 4
+#define MAX_PWR_OPS 5
+
+#define SEQ_OPS_CLK_ENABLE(ind, delay) \
+ { .type = IMGCLK, .index = (ind), .action = ENABLE, .delay_ms = (delay) }
+#define SEQ_OPS_CLK_DISABLE(ind, delay) \
+ { .type = IMGCLK, .index = (ind), .action = DISABLE, .delay_ms = (delay) }
+#define SEQ_OPS_GPIO_ENABLE(ind, delay) \
+ { .type = GPIO, .index = (ind), .action = ENABLE, .delay_ms = (delay) }
+#define SEQ_OPS_GPIO_DISABLE(ind, delay) \
+ { .type = GPIO, .index = (ind), .action = DISABLE, .delay_ms = (delay) }
enum camera_device_type {
DEV_TYPE_SENSOR = 0,
@@ -57,6 +69,47 @@ enum intel_power_action_type {
INTEL_ACPI_CAMERA_GPIO,
};
+enum ctrl_type {
+ IMGCLK = 1,
+ GPIO
+};
+
+enum action_type {
+ ENABLE = 1,
+ DISABLE
+};
+
+struct clk_config {
+ /* IMGCLKOUT_x being used for a port */
+ uint8_t clknum;
+ /* frequency setting: 0:24Mhz, 1:19.2 Mhz */
+ uint8_t freq;
+} __packed;
+
+struct gpio_config {
+ uint8_t gpio_num;
+} __packed;
+
+struct clock_ctrl_panel {
+ struct clk_config clks[MAX_CLK_CONFIGS];
+} __packed;
+
+struct gpio_ctrl_panel {
+ struct gpio_config gpio[MAX_GPIO_CONFIGS];
+} __packed;
+
+struct operation_type {
+ enum ctrl_type type;
+ uint8_t index;
+ enum action_type action;
+ uint32_t delay_ms;
+} __packed;
+
+struct operation_seq {
+ struct operation_type ops[MAX_PWR_OPS];
+ uint8_t ops_cnt;
+} __packed;
+
struct intel_ssdb {
uint8_t version; /* Current version */
uint8_t sensor_card_sku; /* CRD Board type */
@@ -122,6 +175,11 @@ struct intel_pwdb {
} __packed;
struct drivers_intel_mipi_camera_config {
+ struct clock_ctrl_panel clk_panel;
+ struct gpio_ctrl_panel gpio_panel;
+ struct operation_seq on_seq;
+ struct operation_seq off_seq;
+
struct intel_ssdb ssdb;
struct intel_pwdb pwdb[MAX_PWDB_ENTRIES];
enum intel_camera_device_type device_type;
@@ -130,6 +188,7 @@ struct drivers_intel_mipi_camera_config {
const char *acpi_name;
const char *chip_name;
unsigned int acpi_uid;
+ const char *pr0;
/* Settings specific to CIO2 device */
uint32_t cio2_num_ports;
@@ -163,6 +222,8 @@ struct drivers_intel_mipi_camera_config {
/* Settings specific to vcm */
const char *vcm_compat;
+ /* Does the device have a power resource entries */
+ bool has_power_resource;
};
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 11:26:01 +0000