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openinput: add openinput_send_report

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Signed-off-by: Filipe Laíns <lains@riseup.net>
This commit is contained in:
Filipe Laíns
2021-02-05 03:17:11 +00:00
committed by Filipe Laíns
parent c9c6a1675f
commit 8976033da7
1 changed files with 81 additions and 0 deletions
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81
src/driver-openinput.c
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@@ -25,6 +25,26 @@
#include "libratbag-private.h"
/* reports */
#define OI_REPORT_SHORT 0x20
#define OI_REPORT_LONG 0x21
#define OI_REPORT_SHORT_SIZE 8
#define OI_REPORT_LONG_SIZE 32
#define OI_REPORT_MAX_SIZE OI_REPORT_LONG_SIZE
/* protocol function pages */
#define OI_PAGE_INFO 0x00
#define OI_PAGE_GIMMICKS 0xFD
#define OI_PAGE_DEBUG 0xFE
#define OI_PAGE_ERROR 0xFF
/* info page (0x00) functions */
#define OI_FUNCTION_VERSION 0x00
#define OI_FUNCTION_FW_INFO 0x01
static unsigned int report_rates[] = { 125, 250, 500, 750, 1000 };
struct openinput_drv_data {
@@ -34,6 +54,56 @@ struct openinput_drv_data {
unsigned int num_leds;
};
struct oi_report_t {
uint8_t id;
uint8_t function_page;
uint8_t function;
uint8_t data[29];
} __attribute__((__packed__));
static size_t
openinput_get_report_size(unsigned int report)
{
switch (report) {
case OI_REPORT_SHORT:
return OI_REPORT_SHORT_SIZE;
case OI_REPORT_LONG:
return OI_REPORT_LONG_SIZE;
default:
return 0;
}
}
static int
openinput_send_report(struct ratbag_device *device, struct oi_report_t *report)
{
int ret;
uint8_t buffer[OI_REPORT_MAX_SIZE];
size_t size = openinput_get_report_size(report->id);
memcpy(buffer, report, size);
ret = ratbag_hidraw_output_report(device, buffer, size);
if (ret < 0) {
log_error(device->ratbag, "openinput: failed to send data to device (%s)\n",
strerror(-ret));
return ret;
}
ret = ratbag_hidraw_read_input_report(device, buffer, OI_REPORT_MAX_SIZE);
if (ret < 0) {
log_error(device->ratbag, "openinput: failed to read data from device (%s)\n",
strerror(-ret));
return ret;
}
memcpy(report, buffer, openinput_get_report_size(buffer[0]));
// TODO: check for error
return 0;
}
static void
openinput_read_profile(struct ratbag_profile *profile)
{
@@ -41,12 +111,23 @@ openinput_read_profile(struct ratbag_profile *profile)
profile->is_active = true;
}
static int
openinput_test_hidraw(struct ratbag_device *device)
{
return ratbag_hidraw_has_report(device, OI_REPORT_SHORT);
}
static int
openinput_probe(struct ratbag_device *device)
{
int ret;
struct openinput_drv_data *drv_data;
struct ratbag_profile *profile;
ret = ratbag_find_hidraw(device, openinput_test_hidraw);
if (ret)
return ret;
drv_data = zalloc(sizeof(*drv_data));
drv_data->num_profiles = 1;