Commit 6499d390 authored by Dudley Du's avatar Dudley Du Committed by Dmitry Torokhov

Input: cyapa - add gen5 trackpad read baseline support

Add read baseline function support for gen5 trackpad device, it can be used
through sysfs baseline interface.
Signed-off-by: default avatarDudley Du <dudl@cypress.com>
Tested-by: default avatarJeremiah Mahler <jmmahler@gmail.com>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 5812d306
...@@ -263,6 +263,8 @@ struct cyapa { ...@@ -263,6 +263,8 @@ struct cyapa {
u8 y_origin; /* Y Axis Origin: 0 = top; 1 = bottom. */ u8 y_origin; /* Y Axis Origin: 0 = top; 1 = bottom. */
int electrodes_x; /* Number of electrodes on the X Axis*/ int electrodes_x; /* Number of electrodes on the X Axis*/
int electrodes_y; /* Number of electrodes on the Y Axis*/ int electrodes_y; /* Number of electrodes on the Y Axis*/
int electrodes_rx; /* Number of Rx electrodes */
int aligned_electrodes_rx; /* 4 aligned */
int max_z; int max_z;
/* /*
......
...@@ -363,6 +363,12 @@ struct gen5_app_get_parameter_data { ...@@ -363,6 +363,12 @@ struct gen5_app_get_parameter_data {
u8 parameter_id; u8 parameter_id;
} __packed; } __packed;
struct gen5_retrieve_panel_scan_data {
__le16 read_offset;
__le16 read_elements;
u8 data_id;
} __packed;
/* Variables to record latest gen5 trackpad power states. */ /* Variables to record latest gen5 trackpad power states. */
#define GEN5_DEV_SET_PWR_STATE(cyapa, s) ((cyapa)->dev_pwr_mode = (s)) #define GEN5_DEV_SET_PWR_STATE(cyapa, s) ((cyapa)->dev_pwr_mode = (s))
#define GEN5_DEV_GET_PWR_STATE(cyapa) ((cyapa)->dev_pwr_mode) #define GEN5_DEV_GET_PWR_STATE(cyapa) ((cyapa)->dev_pwr_mode)
...@@ -1661,6 +1667,638 @@ static int cyapa_gen5_set_power_mode(struct cyapa *cyapa, ...@@ -1661,6 +1667,638 @@ static int cyapa_gen5_set_power_mode(struct cyapa *cyapa,
return 0; return 0;
} }
static int cyapa_gen5_resume_scanning(struct cyapa *cyapa)
{
u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x04 };
u8 resp_data[6];
int resp_len;
int error;
/* Try to dump all buffered data before doing command. */
cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
resp_len = sizeof(resp_data);
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
cmd, sizeof(cmd),
resp_data, &resp_len,
500, cyapa_gen5_sort_tsg_pip_app_resp_data, true);
if (error || !VALID_CMD_RESP_HEADER(resp_data, 0x04))
return -EINVAL;
/* Try to dump all buffered data when resuming scanning. */
cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
return 0;
}
static int cyapa_gen5_suspend_scanning(struct cyapa *cyapa)
{
u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x03 };
u8 resp_data[6];
int resp_len;
int error;
/* Try to dump all buffered data before doing command. */
cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
resp_len = sizeof(resp_data);
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
cmd, sizeof(cmd),
resp_data, &resp_len,
500, cyapa_gen5_sort_tsg_pip_app_resp_data, true);
if (error || !VALID_CMD_RESP_HEADER(resp_data, 0x03))
return -EINVAL;
/* Try to dump all buffered data when suspending scanning. */
cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
return 0;
}
static s32 twos_complement_to_s32(s32 value, int num_bits)
{
if (value >> (num_bits - 1))
value |= -1 << num_bits;
return value;
}
static s32 cyapa_parse_structure_data(u8 data_format, u8 *buf, int buf_len)
{
int data_size;
bool big_endian;
bool unsigned_type;
s32 value;
data_size = (data_format & 0x07);
big_endian = ((data_format & 0x10) == 0x00);
unsigned_type = ((data_format & 0x20) == 0x00);
if (buf_len < data_size)
return 0;
switch (data_size) {
case 1:
value = buf[0];
break;
case 2:
if (big_endian)
value = get_unaligned_be16(buf);
else
value = get_unaligned_le16(buf);
break;
case 4:
if (big_endian)
value = get_unaligned_be32(buf);
else
value = get_unaligned_le32(buf);
break;
default:
/* Should not happen, just as default case here. */
value = 0;
break;
}
if (!unsigned_type)
value = twos_complement_to_s32(value, data_size * 8);
return value;
}
static void cyapa_gen5_guess_electrodes(struct cyapa *cyapa,
int *electrodes_rx, int *electrodes_tx)
{
if (cyapa->electrodes_rx != 0) {
*electrodes_rx = cyapa->electrodes_rx;
*electrodes_tx = (cyapa->electrodes_x == *electrodes_rx) ?
cyapa->electrodes_y : cyapa->electrodes_x;
} else {
*electrodes_tx = min(cyapa->electrodes_x, cyapa->electrodes_y);
*electrodes_rx = max(cyapa->electrodes_x, cyapa->electrodes_y);
}
}
/*
* Read all the global mutual or self idac data or mutual or self local PWC
* data based on the @idac_data_type.
* If the input value of @data_size is 0, then means read global mutual or
* self idac data. For read global mutual idac data, @idac_max, @idac_min and
* @idac_ave are in order used to return the max value of global mutual idac
* data, the min value of global mutual idac and the average value of the
* global mutual idac data. For read global self idac data, @idac_max is used
* to return the global self cap idac data in Rx direction, @idac_min is used
* to return the global self cap idac data in Tx direction. @idac_ave is not
* used.
* If the input value of @data_size is not 0, than means read the mutual or
* self local PWC data. The @idac_max, @idac_min and @idac_ave are used to
* return the max, min and average value of the mutual or self local PWC data.
* Note, in order to raed mutual local PWC data, must read invoke this function
* to read the mutual global idac data firstly to set the correct Rx number
* value, otherwise, the read mutual idac and PWC data may not correct.
*/
static int cyapa_gen5_read_idac_data(struct cyapa *cyapa,
u8 cmd_code, u8 idac_data_type, int *data_size,
int *idac_max, int *idac_min, int *idac_ave)
{
struct gen5_app_cmd_head *cmd_head;
u8 cmd[12];
u8 resp_data[256];
int resp_len;
int read_len;
int value;
u16 offset;
int read_elements;
bool read_global_idac;
int sum, count, max_element_cnt;
int tmp_max, tmp_min, tmp_ave, tmp_sum, tmp_count;
int electrodes_rx, electrodes_tx;
int i;
int error;
if (cmd_code != GEN5_CMD_RETRIEVE_DATA_STRUCTURE ||
(idac_data_type != GEN5_RETRIEVE_MUTUAL_PWC_DATA &&
idac_data_type != GEN5_RETRIEVE_SELF_CAP_PWC_DATA) ||
!data_size || !idac_max || !idac_min || !idac_ave)
return -EINVAL;
*idac_max = INT_MIN;
*idac_min = INT_MAX;
sum = count = tmp_count = 0;
electrodes_rx = electrodes_tx = 0;
if (*data_size == 0) {
/*
* Read global idac values firstly.
* Currently, no idac data exceed 4 bytes.
*/
read_global_idac = true;
offset = 0;
*data_size = 4;
tmp_max = INT_MIN;
tmp_min = INT_MAX;
tmp_ave = tmp_sum = tmp_count = 0;
if (idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA) {
if (cyapa->aligned_electrodes_rx == 0) {
cyapa_gen5_guess_electrodes(cyapa,
&electrodes_rx, &electrodes_tx);
cyapa->aligned_electrodes_rx =
(electrodes_rx + 3) & ~3u;
}
max_element_cnt =
(cyapa->aligned_electrodes_rx + 7) & ~7u;
} else {
max_element_cnt = 2;
}
} else {
read_global_idac = false;
if (*data_size > 4)
*data_size = 4;
/* Calculate the start offset in bytes of local PWC data. */
if (idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA) {
offset = cyapa->aligned_electrodes_rx * (*data_size);
if (cyapa->electrodes_rx == cyapa->electrodes_x)
electrodes_tx = cyapa->electrodes_y;
else
electrodes_tx = cyapa->electrodes_x;
max_element_cnt = ((cyapa->aligned_electrodes_rx + 7) &
~7u) * electrodes_tx;
} else if (idac_data_type == GEN5_RETRIEVE_SELF_CAP_PWC_DATA) {
offset = 2;
max_element_cnt = cyapa->electrodes_x +
cyapa->electrodes_y;
max_element_cnt = (max_element_cnt + 3) & ~3u;
}
}
memset(cmd, 0, sizeof(cmd));
cmd_head = (struct gen5_app_cmd_head *)cmd;
put_unaligned_le16(GEN5_OUTPUT_REPORT_ADDR, &cmd_head->addr);
put_unaligned_le16(sizeof(cmd) - 2, &cmd_head->length);
cmd_head->report_id = GEN5_APP_CMD_REPORT_ID;
cmd_head->cmd_code = cmd_code;
do {
read_elements = (256 - GEN5_RESP_DATA_STRUCTURE_OFFSET) /
(*data_size);
read_elements = min(read_elements, max_element_cnt - count);
read_len = read_elements * (*data_size);
put_unaligned_le16(offset, &cmd_head->parameter_data[0]);
put_unaligned_le16(read_len, &cmd_head->parameter_data[2]);
cmd_head->parameter_data[4] = idac_data_type;
resp_len = GEN5_RESP_DATA_STRUCTURE_OFFSET + read_len;
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
cmd, sizeof(cmd),
resp_data, &resp_len,
500, cyapa_gen5_sort_tsg_pip_app_resp_data,
true);
if (error || resp_len < GEN5_RESP_DATA_STRUCTURE_OFFSET ||
!VALID_CMD_RESP_HEADER(resp_data, cmd_code) ||
!GEN5_CMD_COMPLETE_SUCCESS(resp_data[5]) ||
resp_data[6] != idac_data_type)
return (error < 0) ? error : -EAGAIN;
read_len = get_unaligned_le16(&resp_data[7]);
if (read_len == 0)
break;
*data_size = (resp_data[9] & GEN5_PWC_DATA_ELEMENT_SIZE_MASK);
if (read_len < *data_size)
return -EINVAL;
if (read_global_idac &&
idac_data_type == GEN5_RETRIEVE_SELF_CAP_PWC_DATA) {
/* Rx's self global idac data. */
*idac_max = cyapa_parse_structure_data(
resp_data[9],
&resp_data[GEN5_RESP_DATA_STRUCTURE_OFFSET],
*data_size);
/* Tx's self global idac data. */
*idac_min = cyapa_parse_structure_data(
resp_data[9],
&resp_data[GEN5_RESP_DATA_STRUCTURE_OFFSET +
*data_size],
*data_size);
break;
}
/* Read mutual global idac or local mutual/self PWC data. */
offset += read_len;
for (i = 10; i < (read_len + GEN5_RESP_DATA_STRUCTURE_OFFSET);
i += *data_size) {
value = cyapa_parse_structure_data(resp_data[9],
&resp_data[i], *data_size);
*idac_min = min(value, *idac_min);
*idac_max = max(value, *idac_max);
if (idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA &&
tmp_count < cyapa->aligned_electrodes_rx &&
read_global_idac) {
/*
* The value gap betwen global and local mutual
* idac data must bigger than 50%.
* Normally, global value bigger than 50,
* local values less than 10.
*/
if (!tmp_ave || value > tmp_ave / 2) {
tmp_min = min(value, tmp_min);
tmp_max = max(value, tmp_max);
tmp_sum += value;
tmp_count++;
tmp_ave = tmp_sum / tmp_count;
}
}
sum += value;
count++;
if (count >= max_element_cnt)
goto out;
}
} while (true);
out:
*idac_ave = count ? (sum / count) : 0;
if (read_global_idac &&
idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA) {
if (tmp_count == 0)
return 0;
if (tmp_count == cyapa->aligned_electrodes_rx) {
cyapa->electrodes_rx = cyapa->electrodes_rx ?
cyapa->electrodes_rx : electrodes_rx;
} else if (tmp_count == electrodes_rx) {
cyapa->electrodes_rx = cyapa->electrodes_rx ?
cyapa->electrodes_rx : electrodes_rx;
cyapa->aligned_electrodes_rx = electrodes_rx;
} else {
cyapa->electrodes_rx = cyapa->electrodes_rx ?
cyapa->electrodes_rx : electrodes_tx;
cyapa->aligned_electrodes_rx = tmp_count;
}
*idac_min = tmp_min;
*idac_max = tmp_max;
*idac_ave = tmp_ave;
}
return 0;
}
static int cyapa_gen5_read_mutual_idac_data(struct cyapa *cyapa,
int *gidac_mutual_max, int *gidac_mutual_min, int *gidac_mutual_ave,
int *lidac_mutual_max, int *lidac_mutual_min, int *lidac_mutual_ave)
{
int data_size;
int error;
*gidac_mutual_max = *gidac_mutual_min = *gidac_mutual_ave = 0;
*lidac_mutual_max = *lidac_mutual_min = *lidac_mutual_ave = 0;
data_size = 0;
error = cyapa_gen5_read_idac_data(cyapa,
GEN5_CMD_RETRIEVE_DATA_STRUCTURE,
GEN5_RETRIEVE_MUTUAL_PWC_DATA,
&data_size,
gidac_mutual_max, gidac_mutual_min, gidac_mutual_ave);
if (error)
return error;
error = cyapa_gen5_read_idac_data(cyapa,
GEN5_CMD_RETRIEVE_DATA_STRUCTURE,
GEN5_RETRIEVE_MUTUAL_PWC_DATA,
&data_size,
lidac_mutual_max, lidac_mutual_min, lidac_mutual_ave);
return error;
}
static int cyapa_gen5_read_self_idac_data(struct cyapa *cyapa,
int *gidac_self_rx, int *gidac_self_tx,
int *lidac_self_max, int *lidac_self_min, int *lidac_self_ave)
{
int data_size;
int error;
*gidac_self_rx = *gidac_self_tx = 0;
*lidac_self_max = *lidac_self_min = *lidac_self_ave = 0;
data_size = 0;
error = cyapa_gen5_read_idac_data(cyapa,
GEN5_CMD_RETRIEVE_DATA_STRUCTURE,
GEN5_RETRIEVE_SELF_CAP_PWC_DATA,
&data_size,
lidac_self_max, lidac_self_min, lidac_self_ave);
if (error)
return error;
*gidac_self_rx = *lidac_self_max;
*gidac_self_tx = *lidac_self_min;
error = cyapa_gen5_read_idac_data(cyapa,
GEN5_CMD_RETRIEVE_DATA_STRUCTURE,
GEN5_RETRIEVE_SELF_CAP_PWC_DATA,
&data_size,
lidac_self_max, lidac_self_min, lidac_self_ave);
return error;
}
static ssize_t cyapa_gen5_execute_panel_scan(struct cyapa *cyapa)
{
struct gen5_app_cmd_head *app_cmd_head;
u8 cmd[7];
u8 resp_data[6];
int resp_len;
int error;
memset(cmd, 0, sizeof(cmd));
app_cmd_head = (struct gen5_app_cmd_head *)cmd;
put_unaligned_le16(GEN5_OUTPUT_REPORT_ADDR, &app_cmd_head->addr);
put_unaligned_le16(sizeof(cmd) - 2, &app_cmd_head->length);
app_cmd_head->report_id = GEN5_APP_CMD_REPORT_ID;
app_cmd_head->cmd_code = GEN5_CMD_EXECUTE_PANEL_SCAN;
resp_len = sizeof(resp_data);
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
cmd, sizeof(cmd),
resp_data, &resp_len,
500, cyapa_gen5_sort_tsg_pip_app_resp_data, true);
if (error || resp_len != sizeof(resp_data) ||
!VALID_CMD_RESP_HEADER(resp_data,
GEN5_CMD_EXECUTE_PANEL_SCAN) ||
!GEN5_CMD_COMPLETE_SUCCESS(resp_data[5]))
return error ? error : -EAGAIN;
return 0;
}
static int cyapa_gen5_read_panel_scan_raw_data(struct cyapa *cyapa,
u8 cmd_code, u8 raw_data_type, int raw_data_max_num,
int *raw_data_max, int *raw_data_min, int *raw_data_ave,
u8 *buffer)
{
struct gen5_app_cmd_head *app_cmd_head;
struct gen5_retrieve_panel_scan_data *panel_sacn_data;
u8 cmd[12];
u8 resp_data[256]; /* Max bytes can transfer one time. */
int resp_len;
int read_elements;
int read_len;
u16 offset;
s32 value;
int sum, count;
int data_size;
s32 *intp;
int i;
int error;
if (cmd_code != GEN5_CMD_RETRIEVE_PANEL_SCAN ||
(raw_data_type > GEN5_PANEL_SCAN_SELF_DIFFCOUNT) ||
!raw_data_max || !raw_data_min || !raw_data_ave)
return -EINVAL;
intp = (s32 *)buffer;
*raw_data_max = INT_MIN;
*raw_data_min = INT_MAX;
sum = count = 0;
offset = 0;
/* Assume max element size is 4 currently. */
read_elements = (256 - GEN5_RESP_DATA_STRUCTURE_OFFSET) / 4;
read_len = read_elements * 4;
app_cmd_head = (struct gen5_app_cmd_head *)cmd;
put_unaligned_le16(GEN5_OUTPUT_REPORT_ADDR, &app_cmd_head->addr);
put_unaligned_le16(sizeof(cmd) - 2, &app_cmd_head->length);
app_cmd_head->report_id = GEN5_APP_CMD_REPORT_ID;
app_cmd_head->cmd_code = cmd_code;
panel_sacn_data = (struct gen5_retrieve_panel_scan_data *)
app_cmd_head->parameter_data;
do {
put_unaligned_le16(offset, &panel_sacn_data->read_offset);
put_unaligned_le16(read_elements,
&panel_sacn_data->read_elements);
panel_sacn_data->data_id = raw_data_type;
resp_len = GEN5_RESP_DATA_STRUCTURE_OFFSET + read_len;
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
cmd, sizeof(cmd),
resp_data, &resp_len,
500, cyapa_gen5_sort_tsg_pip_app_resp_data, true);
if (error || resp_len < GEN5_RESP_DATA_STRUCTURE_OFFSET ||
!VALID_CMD_RESP_HEADER(resp_data, cmd_code) ||
!GEN5_CMD_COMPLETE_SUCCESS(resp_data[5]) ||
resp_data[6] != raw_data_type)
return error ? error : -EAGAIN;
read_elements = get_unaligned_le16(&resp_data[7]);
if (read_elements == 0)
break;
data_size = (resp_data[9] & GEN5_PWC_DATA_ELEMENT_SIZE_MASK);
offset += read_elements;
if (read_elements) {
for (i = GEN5_RESP_DATA_STRUCTURE_OFFSET;
i < (read_elements * data_size +
GEN5_RESP_DATA_STRUCTURE_OFFSET);
i += data_size) {
value = cyapa_parse_structure_data(resp_data[9],
&resp_data[i], data_size);
*raw_data_min = min(value, *raw_data_min);
*raw_data_max = max(value, *raw_data_max);
if (intp)
put_unaligned_le32(value, &intp[count]);
sum += value;
count++;
}
}
if (count >= raw_data_max_num)
break;
read_elements = (sizeof(resp_data) -
GEN5_RESP_DATA_STRUCTURE_OFFSET) / data_size;
read_len = read_elements * data_size;
} while (true);
*raw_data_ave = count ? (sum / count) : 0;
return 0;
}
static ssize_t cyapa_gen5_show_baseline(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct cyapa *cyapa = dev_get_drvdata(dev);
int gidac_mutual_max, gidac_mutual_min, gidac_mutual_ave;
int lidac_mutual_max, lidac_mutual_min, lidac_mutual_ave;
int gidac_self_rx, gidac_self_tx;
int lidac_self_max, lidac_self_min, lidac_self_ave;
int raw_cap_mutual_max, raw_cap_mutual_min, raw_cap_mutual_ave;
int raw_cap_self_max, raw_cap_self_min, raw_cap_self_ave;
int mutual_diffdata_max, mutual_diffdata_min, mutual_diffdata_ave;
int self_diffdata_max, self_diffdata_min, self_diffdata_ave;
int mutual_baseline_max, mutual_baseline_min, mutual_baseline_ave;
int self_baseline_max, self_baseline_min, self_baseline_ave;
int error, resume_error;
int size;
if (cyapa->state != CYAPA_STATE_GEN5_APP)
return -EBUSY;
/* 1. Suspend Scanning*/
error = cyapa_gen5_suspend_scanning(cyapa);
if (error)
return error;
/* 2. Read global and local mutual IDAC data. */
gidac_self_rx = gidac_self_tx = 0;
error = cyapa_gen5_read_mutual_idac_data(cyapa,
&gidac_mutual_max, &gidac_mutual_min,
&gidac_mutual_ave, &lidac_mutual_max,
&lidac_mutual_min, &lidac_mutual_ave);
if (error)
goto resume_scanning;
/* 3. Read global and local self IDAC data. */
error = cyapa_gen5_read_self_idac_data(cyapa,
&gidac_self_rx, &gidac_self_tx,
&lidac_self_max, &lidac_self_min,
&lidac_self_ave);
if (error)
goto resume_scanning;
/* 4. Execuate panel scan. It must be executed before read data. */
error = cyapa_gen5_execute_panel_scan(cyapa);
if (error)
goto resume_scanning;
/* 5. Retrieve panel scan, mutual cap raw data. */
error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
GEN5_CMD_RETRIEVE_PANEL_SCAN,
GEN5_PANEL_SCAN_MUTUAL_RAW_DATA,
cyapa->electrodes_x * cyapa->electrodes_y,
&raw_cap_mutual_max, &raw_cap_mutual_min,
&raw_cap_mutual_ave,
NULL);
if (error)
goto resume_scanning;
/* 6. Retrieve panel scan, self cap raw data. */
error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
GEN5_CMD_RETRIEVE_PANEL_SCAN,
GEN5_PANEL_SCAN_SELF_RAW_DATA,
cyapa->electrodes_x + cyapa->electrodes_y,
&raw_cap_self_max, &raw_cap_self_min,
&raw_cap_self_ave,
NULL);
if (error)
goto resume_scanning;
/* 7. Retrieve panel scan, mutual cap diffcount raw data. */
error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
GEN5_CMD_RETRIEVE_PANEL_SCAN,
GEN5_PANEL_SCAN_MUTUAL_DIFFCOUNT,
cyapa->electrodes_x * cyapa->electrodes_y,
&mutual_diffdata_max, &mutual_diffdata_min,
&mutual_diffdata_ave,
NULL);
if (error)
goto resume_scanning;
/* 8. Retrieve panel scan, self cap diffcount raw data. */
error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
GEN5_CMD_RETRIEVE_PANEL_SCAN,
GEN5_PANEL_SCAN_SELF_DIFFCOUNT,
cyapa->electrodes_x + cyapa->electrodes_y,
&self_diffdata_max, &self_diffdata_min,
&self_diffdata_ave,
NULL);
if (error)
goto resume_scanning;
/* 9. Retrieve panel scan, mutual cap baseline raw data. */
error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
GEN5_CMD_RETRIEVE_PANEL_SCAN,
GEN5_PANEL_SCAN_MUTUAL_BASELINE,
cyapa->electrodes_x * cyapa->electrodes_y,
&mutual_baseline_max, &mutual_baseline_min,
&mutual_baseline_ave,
NULL);
if (error)
goto resume_scanning;
/* 10. Retrieve panel scan, self cap baseline raw data. */
error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
GEN5_CMD_RETRIEVE_PANEL_SCAN,
GEN5_PANEL_SCAN_SELF_BASELINE,
cyapa->electrodes_x + cyapa->electrodes_y,
&self_baseline_max, &self_baseline_min,
&self_baseline_ave,
NULL);
if (error)
goto resume_scanning;
resume_scanning:
/* 11. Resume Scanning*/
resume_error = cyapa_gen5_resume_scanning(cyapa);
if (resume_error || error)
return resume_error ? resume_error : error;
/* 12. Output data strings */
size = scnprintf(buf, PAGE_SIZE, "%d %d %d %d %d %d %d %d %d %d %d ",
gidac_mutual_min, gidac_mutual_max, gidac_mutual_ave,
lidac_mutual_min, lidac_mutual_max, lidac_mutual_ave,
gidac_self_rx, gidac_self_tx,
lidac_self_min, lidac_self_max, lidac_self_ave);
size += scnprintf(buf + size, PAGE_SIZE - size,
"%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d\n",
raw_cap_mutual_min, raw_cap_mutual_max, raw_cap_mutual_ave,
raw_cap_self_min, raw_cap_self_max, raw_cap_self_ave,
mutual_diffdata_min, mutual_diffdata_max, mutual_diffdata_ave,
self_diffdata_min, self_diffdata_max, self_diffdata_ave,
mutual_baseline_min, mutual_baseline_max, mutual_baseline_ave,
self_baseline_min, self_baseline_max, self_baseline_ave);
return size;
}
static bool cyapa_gen5_sort_system_info_data(struct cyapa *cyapa, static bool cyapa_gen5_sort_system_info_data(struct cyapa *cyapa,
u8 *buf, int len) u8 *buf, int len)
{ {
...@@ -2057,6 +2695,8 @@ const struct cyapa_dev_ops cyapa_gen5_ops = { ...@@ -2057,6 +2695,8 @@ const struct cyapa_dev_ops cyapa_gen5_ops = {
.bl_activate = cyapa_gen5_bl_activate, .bl_activate = cyapa_gen5_bl_activate,
.bl_deactivate = cyapa_gen5_bl_deactivate, .bl_deactivate = cyapa_gen5_bl_deactivate,
.show_baseline = cyapa_gen5_show_baseline,
.initialize = cyapa_gen5_initialize, .initialize = cyapa_gen5_initialize,
.state_parse = cyapa_gen5_state_parse, .state_parse = cyapa_gen5_state_parse,
......
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