intel/ice/ice_gnss.c

9  * @pf: board private structure
20 ice_gnss_do_write(struct ice_pf *pf, const unsigned char *buf, unsigned int size)
23 	struct ice_hw *hw = &pf->hw;
72 	dev_err(ice_pf_to_dev(pf), "GNSS failed to write, offset=%u, size=%u, err=%d\n",
91 	struct ice_pf *pf;
98 	pf = gnss->back;
99 	if (!pf || !test_bit(ICE_FLAG_GNSS, pf->flags))
102 	hw = &pf->hw;
147 	count = gnss_insert_raw(pf->gnss_dev, buf, i);
149 		dev_warn(ice_pf_to_dev(pf),
158 		dev_dbg(ice_pf_to_dev(pf), "GNSS failed to read err=%d\n", err);
163  * @pf: Board private structure
171 static struct gnss_serial *ice_gnss_struct_init(struct ice_pf *pf)
173 	struct device *dev = ice_pf_to_dev(pf);
181 	gnss->back = pf;
182 	pf->gnss_serial = gnss;
208 	struct ice_pf *pf = gnss_get_drvdata(gdev);
211 	if (!pf)
214 	if (!test_bit(ICE_FLAG_GNSS, pf->flags))
217 	gnss = pf->gnss_serial;
234 	struct ice_pf *pf = gnss_get_drvdata(gdev);
237 	if (!pf)
240 	gnss = pf->gnss_serial;
261 	struct ice_pf *pf = gnss_get_drvdata(gdev);
268 	if (!pf)
271 	if (!test_bit(ICE_FLAG_GNSS, pf->flags))
274 	gnss = pf->gnss_serial;
278 	return ice_gnss_do_write(pf, buf, count);
289  * @pf: Board private structure
297 static int ice_gnss_register(struct ice_pf *pf)
302 	gdev = gnss_allocate_device(ice_pf_to_dev(pf));
304 		dev_err(ice_pf_to_dev(pf),
311 	gnss_set_drvdata(gdev, pf);
314 		dev_err(ice_pf_to_dev(pf), "gnss_register_device err=%d\n",
318 		pf->gnss_dev = gdev;
326  * @pf: Board private structure
331 static void ice_gnss_deregister(struct ice_pf *pf)
333 	if (pf->gnss_dev) {
334 		gnss_deregister_device(pf->gnss_dev);
335 		gnss_put_device(pf->gnss_dev);
336 		pf->gnss_dev = NULL;
342  * @pf: Board private structure
344 void ice_gnss_init(struct ice_pf *pf)
348 	pf->gnss_serial = ice_gnss_struct_init(pf);
349 	if (!pf->gnss_serial)
352 	ret = ice_gnss_register(pf);
354 		set_bit(ICE_FLAG_GNSS, pf->flags);
355 		dev_info(ice_pf_to_dev(pf), "GNSS init successful\n");
357 		ice_gnss_exit(pf);
358 		dev_err(ice_pf_to_dev(pf), "GNSS init failure\n");
364  * @pf: Board private structure
366 void ice_gnss_exit(struct ice_pf *pf)
368 	ice_gnss_deregister(pf);
369 	clear_bit(ICE_FLAG_GNSS, pf->flags);
371 	if (pf->gnss_serial) {
372 		struct gnss_serial *gnss = pf->gnss_serial;
379 		pf->gnss_serial = NULL;