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elan: Change command structs, support more devices
Make each command a separate struct to get finer control over which commands are called on which devices. Update ssm's accordingly. Add sensor_reset and fuse_load commands. Support 0x0903, 0x0c03, 0x0c16, 0x0c1a, 0x0c26
This commit is contained in:
Igor Filatov
committed by
Bastien Nocera
Bastien Nocera
parent
9843c2d764
commit
bccff4ffef
@@ -24,9 +24,17 @@
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#include <string.h>
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#include <libusb.h>
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/* number of pixels to discard on left and right (along raw image height)
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* because they have different intensity from the rest of the frame */
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#define ELAN_FRAME_MARGIN 12
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#define ELAN_VENDOR_ID 0x04f3
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/* supported devices */
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#define ELAN_0903 1
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#define ELAN_0907 (1 << 1)
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#define ELAN_0C03 (1 << 2)
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#define ELAN_0C16 (1 << 3)
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#define ELAN_0C1A (1 << 4)
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#define ELAN_0C26 (1 << 5)
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#define ELAN_ALL_DEVICES (ELAN_0903|ELAN_0907|ELAN_0C03|ELAN_0C16|ELAN_0C1A|ELAN_0C26)
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/* min and max frames in a capture */
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#define ELAN_MIN_FRAMES 7
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@@ -36,6 +44,13 @@
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* while the finger is being lifted can be bad */
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#define ELAN_SKIP_LAST_FRAMES 1
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/* max difference between background image mean and calibration mean
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* (the response value of get_calib_mean_cmd)*/
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#define ELAN_CALIBRATION_MAX_DELTA 500
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/* times to retry calibration */
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#define ELAN_CALIBRATION_ATTEMPTS 10
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#define ELAN_CMD_LEN 0x2
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#define ELAN_EP_CMD_OUT (0x1 | LIBUSB_ENDPOINT_OUT)
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#define ELAN_EP_CMD_IN (0x3 | LIBUSB_ENDPOINT_IN)
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@@ -50,127 +65,104 @@ struct elan_cmd {
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unsigned char cmd[ELAN_CMD_LEN];
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int response_len;
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int response_in;
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unsigned short devices;
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};
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static const struct elan_cmd get_sensor_dim_cmds[] = {
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{
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.cmd = {0x00, 0x0c},
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.response_len = 0x4,
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.response_in = ELAN_EP_CMD_IN,
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},
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static const struct elan_cmd get_sensor_dim_cmd = {
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.cmd = {0x00, 0x0c},
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.response_len = 0x4,
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.response_in = ELAN_EP_CMD_IN,
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.devices = ELAN_ALL_DEVICES,
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};
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static const size_t get_sensor_dim_cmds_len =
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G_N_ELEMENTS(get_sensor_dim_cmds);
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static const struct elan_cmd init_start_cmds[] = {
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{
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.cmd = {0x40, 0x19},
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.response_len = 0x2,
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.response_in = ELAN_EP_CMD_IN,
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},
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{
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.cmd = {0x40, 0x2a},
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.response_len = 0x2,
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.response_in = ELAN_EP_CMD_IN,
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},
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static const struct elan_cmd get_fw_ver_cmd = {
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.cmd = {0x40, 0x19},
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.response_len = 0x2,
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.response_in = ELAN_EP_CMD_IN,
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.devices = ELAN_ALL_DEVICES,
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};
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static const size_t init_start_cmds_len = G_N_ELEMENTS(init_start_cmds);
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/* unknown, returns 0x0 0x1 on 0907 */
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static const struct elan_cmd activate_cmd_1 = {
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.cmd = {0x40, 0x2a},
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.response_len = 0x2,
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.response_in = ELAN_EP_CMD_IN,
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.devices = ELAN_0907,
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};
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static const struct elan_cmd read_cmds[] = {
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/* raw frame sizes are calculated from image dimesions reported by the
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static const struct elan_cmd get_image_cmd = {
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.cmd = {0x00, 0x09},
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/* raw frame sizes are calculated from image dimensions reported by the
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* device */
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{
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.cmd = {0x00, 0x09},
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.response_len = -1,
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.response_in = ELAN_EP_IMG_IN,
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},
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.response_len = -1,
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.response_in = ELAN_EP_IMG_IN,
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.devices = ELAN_ALL_DEVICES,
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};
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const size_t read_cmds_len = G_N_ELEMENTS(read_cmds);
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/* issued after data reads during init and calibration */
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static const struct elan_cmd init_end_cmds[] = {
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{
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.cmd = {0x40, 0x24},
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.response_len = 0x2,
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.response_in = ELAN_EP_CMD_IN,
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},
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static const struct elan_cmd get_calib_mean_cmd = {
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.cmd = {0x40, 0x24},
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.response_len = 0x2,
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.response_in = ELAN_EP_CMD_IN,
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.devices = ELAN_ALL_DEVICES & ~ELAN_0903,
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};
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static const size_t init_end_cmds_len = G_N_ELEMENTS(init_end_cmds);
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/* same command 2 times
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* original driver may observe return value to determine how many times it
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* should be repeated */
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static const struct elan_cmd calibrate_start_cmds[] = {
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{
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.cmd = {0x40, 0x23},
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.response_len = 0x1,
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.response_in = ELAN_EP_CMD_IN,
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},
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{
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.cmd = {0x40, 0x23},
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.response_len = 0x1,
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.response_in = ELAN_EP_CMD_IN,
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},
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static const struct elan_cmd reset_sensor_cmd = {
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.cmd = {0x40, 0x11},
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.response_len = 0x0,
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.response_in = ELAN_EP_CMD_IN,
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.devices = ELAN_ALL_DEVICES,
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};
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static const size_t calibrate_start_cmds_len =
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G_N_ELEMENTS(calibrate_start_cmds);
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/* issued after data reads during init and calibration */
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static const struct elan_cmd calibrate_end_cmds[] = {
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{
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.cmd = {0x40, 0x24},
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.response_len = 0x2,
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.response_in = ELAN_EP_CMD_IN,
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},
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static const struct elan_cmd fuse_load_cmd = {
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.cmd = {0x40, 0x14},
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.response_len = 0x0,
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.response_in = ELAN_EP_CMD_IN,
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.devices = ELAN_ALL_DEVICES,
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};
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static const size_t calibrate_end_cmds_len =
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G_N_ELEMENTS(calibrate_end_cmds);
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static const struct elan_cmd capture_start_cmds[] = {
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/* led on */
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{
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.cmd = {0x40, 0x31},
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.response_len = 0x0,
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.response_in = ELAN_EP_CMD_IN,
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},
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static const struct elan_cmd read_sensor_status_cmd = {
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.cmd = {0x40, 0x13},
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.response_len = 0x1,
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.response_in = ELAN_EP_CMD_IN,
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.devices = ELAN_ALL_DEVICES,
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};
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static size_t capture_start_cmds_len = G_N_ELEMENTS(capture_start_cmds);
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static const struct elan_cmd capture_wait_finger_cmds[] = {
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/* wait for finger
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* subsequent read will not complete until finger is placed on the reader */
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{
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.cmd = {0x40, 0x3f},
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.response_len = 0x1,
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.response_in = ELAN_EP_CMD_IN,
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},
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static const struct elan_cmd run_calibration_cmd = {
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.cmd = {0x40, 0x23},
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.response_len = 0x1,
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.response_in = ELAN_EP_CMD_IN,
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.devices = ELAN_ALL_DEVICES,
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};
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static size_t capture_wait_finger_cmds_len =
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G_N_ELEMENTS(capture_wait_finger_cmds);
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static const struct elan_cmd deactivate_cmds[] = {
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/* led off */
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{
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.cmd = {0x00, 0x0b},
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.response_len = 0x0,
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.response_in = ELAN_EP_CMD_IN,
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},
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static const struct elan_cmd led_on_cmd = {
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.cmd = {0x40, 0x31},
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.response_len = 0x0,
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.response_in = ELAN_EP_CMD_IN,
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.devices = ELAN_0907,
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};
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static const size_t deactivate_cmds_len = G_N_ELEMENTS(deactivate_cmds);
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/* wait for finger
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* subsequent read will not complete until finger is placed on the reader */
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static const struct elan_cmd pre_scan_cmd = {
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.cmd = {0x40, 0x3f},
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.response_len = 0x1,
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.response_in = ELAN_EP_CMD_IN,
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.devices = ELAN_ALL_DEVICES,
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};
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static void elan_cmd_cb(struct libusb_transfer *transfer);
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/* led off, stop waiting for finger */
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static const struct elan_cmd stop_cmd = {
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.cmd = {0x00, 0x0b},
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.response_len = 0x0,
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.response_in = ELAN_EP_CMD_IN,
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.devices = ELAN_ALL_DEVICES,
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};
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static void elan_cmd_done(struct fpi_ssm *ssm);
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static void elan_cmd_read(struct fpi_ssm *ssm);
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static void elan_run_next_cmd(struct fpi_ssm *ssm);
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static void elan_calibrate(struct fp_img_dev *dev);
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static void elan_capture(struct fp_img_dev *dev);
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static void elan_deactivate(struct fp_img_dev *dev);
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#endif
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