pci/ivtv/ivtv-firmware.c

40 static int load_fw_direct(const char *fn, volatile u8 __iomem *mem, struct ivtv *itv, long size)
46 	if (retries && request_firmware(&fw, fn, &itv->pdev->dev) == 0) {
76 void ivtv_halt_firmware(struct ivtv *itv)
79 	if (itv->has_cx23415 && itv->dec_mbox.mbox)
80 		ivtv_vapi(itv, CX2341X_DEC_HALT_FW, 0);
81 	if (itv->enc_mbox.mbox)
82 		ivtv_vapi(itv, CX2341X_ENC_HALT_FW, 0);
85 	itv->enc_mbox.mbox = itv->dec_mbox.mbox = NULL;
97 	if (!itv->has_cx23415)
116 	if (itv->has_cx23415) {
128 void ivtv_firmware_versions(struct ivtv *itv)
133 	ivtv_vapi_result(itv, data, CX2341X_ENC_GET_VERSION, 0);
139 	if (itv->has_cx23415) {
141 		ivtv_vapi_result(itv, data, CX2341X_DEC_GET_VERSION, 0);
146 static int ivtv_firmware_copy(struct ivtv *itv)
150 		   itv->enc_mem, itv, IVTV_FW_ENC_SIZE) != IVTV_FW_ENC_SIZE) {
154 	if (!itv->has_cx23415)
159 		   itv->dec_mem, itv, IVTV_FW_DEC_SIZE) != IVTV_FW_DEC_SIZE) {
183 int ivtv_firmware_init(struct ivtv *itv)
187 	ivtv_halt_firmware(itv);
190 	err = ivtv_firmware_copy(itv);
199 	if (itv->has_cx23415)
206 	itv->enc_mbox.mbox = ivtv_search_mailbox(itv->enc_mem, IVTV_ENCODER_SIZE);
207 	if (itv->enc_mbox.mbox == NULL)
209 	else if (ivtv_vapi(itv, CX2341X_ENC_PING_FW, 0)) {
211 		itv->enc_mbox.mbox = NULL;
213 	if (itv->enc_mbox.mbox == NULL)
216 	if (!itv->has_cx23415)
219 	itv->dec_mbox.mbox = ivtv_search_mailbox(itv->dec_mem, IVTV_DECODER_SIZE);
220 	if (itv->dec_mbox.mbox == NULL) {
222 	} else if (itv->has_cx23415 && ivtv_vapi(itv, CX2341X_DEC_PING_FW, 0)) {
224 		itv->dec_mbox.mbox = NULL;
227 		ivtv_yuv_filter_check(itv);
229 	return itv->dec_mbox.mbox ? 0 : -ENODEV;
232 void ivtv_init_mpeg_decoder(struct ivtv *itv)
239 	data[1] = itv->cxhdl.width;	/* YUV source width */
240 	data[2] = itv->cxhdl.height;
241 	data[3] = itv->cxhdl.audio_properties;	/* Audio settings to use,
243 	if (ivtv_api(itv, CX2341X_DEC_SET_DECODER_SOURCE, 4, data)) {
248 	if (ivtv_vapi(itv, CX2341X_DEC_START_PLAYBACK, 2, 0, 1) != 0) {
252 	ivtv_api_get_data(&itv->dec_mbox, IVTV_MBOX_DMA, 2, data);
253 	mem_offset = itv->dec_mem + data[1];
256 		mem_offset, itv, IVTV_DECODE_INIT_MPEG_SIZE)) <= 0) {
260 		ivtv_vapi(itv, CX2341X_DEC_SCHED_DMA_FROM_HOST, 3, 0, readbytes, 0);
263 	ivtv_vapi(itv, CX2341X_DEC_STOP_PLAYBACK, 4, 0, 0, 0, 1);
267 static int ivtv_firmware_restart(struct ivtv *itv)
272 	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
274 		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_routing,
276 		    itv->card->video_outputs[itv->active_output].video_output,
279 	mutex_lock(&itv->udma.lock);
281 	rc = ivtv_firmware_init(itv);
283 		mutex_unlock(&itv->udma.lock);
288 	ivtv_mailbox_cache_invalidate(itv);
291 	std = itv->std;
292 	itv->std = 0;
293 	ivtv_s_std_enc(itv, std);
295 	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
296 		ivtv_init_mpeg_decoder(itv);
299 		std = itv->std_out;
300 		itv->std_out = 0;
301 		ivtv_s_std_dec(itv, std);
304 		if (itv->ivtvfb_restore)
305 			itv->ivtvfb_restore(itv);
308 		ivtv_set_osd_alpha(itv);
311 		ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_routing,
313 		    itv->card->video_outputs[itv->active_output].video_output,
317 	mutex_unlock(&itv->udma.lock);
323 int ivtv_firmware_check(struct ivtv *itv, char *where)
328 	if (ivtv_vapi(itv, CX2341X_ENC_PING_FW, 0) < 0) {
334 	if (!res && !atomic_read(&itv->capturing) &&
335 	    (!atomic_read(&itv->decoding) ||
336 	     (atomic_read(&itv->decoding) < 2 && test_bit(IVTV_F_I_DEC_YUV,
337 							     &itv->i_flags)))) {
339 		if (ivtv_vapi(itv, CX2341X_ENC_MISC, 1, 12) < 0) {
345 	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
358 		if (ivtv_vapi(itv, CX2341X_DEC_PING_FW, 0) < 0) {
365 	if (res && !atomic_read(&itv->capturing) &&
366 						!atomic_read(&itv->decoding)) {
369 		res = ivtv_firmware_restart(itv);