firmware/cirrus/cs_dsp.c

3  * cs_dsp.c  --  Cirrus Logic DSP firmware support
21 #include <linux/firmware/cirrus/cs_dsp.h>
22 #include <linux/firmware/cirrus/wmfw.h>
283 				    const struct firmware *firmware);
676  * until the running firmware acknowledges the write or timeout is exceeded.
710 	 * that respond quickly, then go to ~10ms polls. A firmware is unlikely
1319 					     const struct firmware *firmware)
1323 	adsp1_sizes = (void *)&firmware->data[pos];
1335 					     const struct firmware *firmware)
1339 	adsp2_sizes = (void *)&firmware->data[pos];
1372 static int cs_dsp_load(struct cs_dsp *dsp, const struct firmware *firmware,
1390 	if (!firmware)
1396 	if (pos >= firmware->size) {
1398 			   file, firmware->size);
1402 	header = (void *)&firmware->data[0];
1425 	pos = dsp->ops->parse_sizes(dsp, file, pos, firmware);
1427 	footer = (void *)&firmware->data[pos];
1439 	while (pos < firmware->size &&
1440 	       sizeof(*region) < firmware->size - pos) {
1441 		region = (void *)&(firmware->data[pos]);
1499 		    firmware->size - pos - sizeof(*region)) {
1503 				   le32_to_cpu(region->len), firmware->size);
1547 	if (pos > firmware->size)
1549 			    file, regions, pos - firmware->size);
2075 static int cs_dsp_load_coeff(struct cs_dsp *dsp, const struct firmware *firmware,
2089 	if (!firmware)
2094 	if (sizeof(*hdr) >= firmware->size) {
2096 			   file, firmware->size);
2100 	hdr = (void *)&firmware->data[0];
2125 	while (pos < firmware->size &&
2126 	       sizeof(*blk) < firmware->size - pos) {
2127 		blk = (void *)(&firmware->data[pos]);
2226 			    firmware->size - pos - sizeof(*blk)) {
2231 					   firmware->size);
2265 	if (pos > firmware->size)
2267 			    file, blocks, pos - firmware->size);
2326  * cs_dsp_adsp1_power_up() - Load and start the named firmware
2328  * @wmfw_firmware: the firmware to be sent
2329  * @wmfw_filename: file name of firmware to be sent
2332  * @fw_name: the user-friendly firmware name
2337 			  const struct firmware *wmfw_firmware, char *wmfw_filename,
2338 			  const struct firmware *coeff_firmware, char *coeff_filename,
2614  * cs_dsp_power_up() - Downloads firmware to the DSP
2616  * @wmfw_firmware: the firmware to be sent
2617  * @wmfw_filename: file name of firmware to be sent
2620  * @fw_name: the user-friendly firmware name
2623  * and downloads the firmware but does not start the firmware running. The
2625  * memory retention mode it will be put into this state after the firmware is
2631 		    const struct firmware *wmfw_firmware, char *wmfw_filename,
2632 		    const struct firmware *coeff_firmware, char *coeff_filename,
2739  * cs_dsp_run() - Starts the firmware running
2812  * cs_dsp_stop() - Stops the firmware
2815  * Memory will not be disabled so firmware will remain loaded.
2819 	/* Tell the firmware to cleanup */
2825 	/* Log firmware state, it can be useful for analysis */
3064  * The firmware and DSP state will be logged for future analysis.
3134  * The firmware and DSP state will be logged for future analysis.