1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <linux/device.h>   // for linux/firmware.h
9 #include <linux/firmware.h>
10 #include "pvrusb2-util.h"
11 #include "pvrusb2-encoder.h"
12 #include "pvrusb2-hdw-internal.h"
13 #include "pvrusb2-debug.h"
14 #include "pvrusb2-fx2-cmd.h"
18 /* Firmware mailbox flags - definitions found from ivtv */
48 		memset(hdw->cmd_buffer,0,sizeof(hdw->cmd_buffer));  in pvr2_encoder_write_words()
50 		hdw->cmd_buffer[bAddr++] = FX2CMD_MEM_WRITE_DWORD;  in pvr2_encoder_write_words()
53 			hdw->cmd_buffer[bAddr+6] = (addr & 0xffu);  in pvr2_encoder_write_words()
54 			hdw->cmd_buffer[bAddr+5] = ((addr>>8) & 0xffu);  in pvr2_encoder_write_words()
55 			hdw->cmd_buffer[bAddr+4] = ((addr>>16) & 0xffu);  in pvr2_encoder_write_words()
56 			PVR2_DECOMPOSE_LE(hdw->cmd_buffer, bAddr,data[idx]);  in pvr2_encoder_write_words()
60 					hdw->cmd_buffer,1+(chunkCnt*7),  in pvr2_encoder_write_words()
64 		dlen -= chunkCnt;  in pvr2_encoder_write_words()
94 		hdw->cmd_buffer[0] =  in pvr2_encoder_read_words()
97 		hdw->cmd_buffer[1] = 0;  in pvr2_encoder_read_words()
98 		hdw->cmd_buffer[2] = 0;  in pvr2_encoder_read_words()
99 		hdw->cmd_buffer[3] = 0;  in pvr2_encoder_read_words()
100 		hdw->cmd_buffer[4] = 0;  in pvr2_encoder_read_words()
101 		hdw->cmd_buffer[5] = ((offs>>16) & 0xffu);  in pvr2_encoder_read_words()
102 		hdw->cmd_buffer[6] = ((offs>>8) & 0xffu);  in pvr2_encoder_read_words()
103 		hdw->cmd_buffer[7] = (offs & 0xffu);  in pvr2_encoder_read_words()
105 					hdw->cmd_buffer,8,  in pvr2_encoder_read_words()
106 					hdw->cmd_buffer,  in pvr2_encoder_read_words()
111 			data[idx] = PVR2_COMPOSE_LE(hdw->cmd_buffer,idx*4);  in pvr2_encoder_read_words()
114 		dlen -= chunkCnt;  in pvr2_encoder_read_words()
138 	/* These sizes look to be limited by the FX2 firmware implementation */  in pvr2_encoder_cmd()
174 	if (arg_cnt_send > (ARRAY_SIZE(wrData) - 4)) {  in pvr2_encoder_cmd()
177 			"Failed to write cx23416 command - too many input arguments (was given %u limit %lu)",  in pvr2_encoder_cmd()
178 			arg_cnt_send, (long unsigned) ARRAY_SIZE(wrData) - 4);  in pvr2_encoder_cmd()
179 		return -EINVAL;  in pvr2_encoder_cmd()
182 	if (arg_cnt_recv > (ARRAY_SIZE(rdData) - 4)) {  in pvr2_encoder_cmd()
185 			"Failed to write cx23416 command - too many return arguments (was given %u limit %lu)",  in pvr2_encoder_cmd()
186 			arg_cnt_recv, (long unsigned) ARRAY_SIZE(rdData) - 4);  in pvr2_encoder_cmd()
187 		return -EINVAL;  in pvr2_encoder_cmd()
191 	LOCK_TAKE(hdw->ctl_lock);  in pvr2_encoder_cmd()
193 		if (!hdw->state_encoder_ok) {  in pvr2_encoder_cmd()
194 			ret = -EIO;  in pvr2_encoder_cmd()
208 		for (; idx < ARRAY_SIZE(wrData) - 4; idx++) {  in pvr2_encoder_cmd()
247 					idx-3,wrData[idx]);  in pvr2_encoder_cmd()
249 			ret = -EBUSY;  in pvr2_encoder_cmd()
257 			ret = -EBUSY;  in pvr2_encoder_cmd()
260 			timer_delete_sync(&hdw->encoder_run_timer);  in pvr2_encoder_cmd()
261 			hdw->state_encoder_ok = 0;  in pvr2_encoder_cmd()
263 				   "State bit %s <-- %s",  in pvr2_encoder_cmd()
265 				   (hdw->state_encoder_ok ? "true" : "false"));  in pvr2_encoder_cmd()
266 			if (hdw->state_encoder_runok) {  in pvr2_encoder_cmd()
267 				hdw->state_encoder_runok = 0;  in pvr2_encoder_cmd()
269 				   "State bit %s <-- %s",  in pvr2_encoder_cmd()
271 					   (hdw->state_encoder_runok ?  in pvr2_encoder_cmd()
276 …"Giving up on command.  This is normally recovered via a firmware reload and re-initialization; co…  in pvr2_encoder_cmd()
288 	LOCK_GIVE(hdw->ctl_lock);  in pvr2_encoder_cmd()
304 			"Failed to write cx23416 command - too many arguments (was given %u limit %lu)",  in pvr2_encoder_vcmd()
306 		return -EINVAL;  in pvr2_encoder_vcmd()
332 	LOCK_TAKE(hdw->ctl_lock); do {  in pvr2_encoder_prep_config()
337 	} while(0); LOCK_GIVE(hdw->ctl_lock);  in pvr2_encoder_prep_config()
340 	/* Mike Isely <isely@pobox.com> 26-Jan-2006 The windows driver  in pvr2_encoder_prep_config()
344 	   random perpetual video corruption whenever the video input  in pvr2_encoder_prep_config()
355 	/* This ENC_MISC(3,encMisc3Arg) command is critical - without  in pvr2_encoder_prep_config()
356 	   it there will eventually be video corruption.  Also, the  in pvr2_encoder_prep_config()
357 	   saa7115 case is strange - the Windows driver is passing 1  in pvr2_encoder_prep_config()
359 	   devices the video turns sluggish.  */  in pvr2_encoder_prep_config()
360 	if (hdw->hdw_desc->flag_has_cx25840) {  in pvr2_encoder_prep_config()
375 	   with stuttering video. */  in pvr2_encoder_prep_config()
393 			     (hdw->enc_cur_valid ? &hdw->enc_cur_state : NULL),  in pvr2_encoder_adjust()
394 			     &hdw->enc_ctl_state);  in pvr2_encoder_adjust()
399 		hdw->enc_cur_state = hdw->enc_ctl_state;  in pvr2_encoder_adjust()
400 		hdw->enc_cur_valid = !0;  in pvr2_encoder_adjust()
411 	hdw->enc_ctl_state.port = CX2341X_PORT_STREAMING;  in pvr2_encoder_configure()
412 	hdw->enc_ctl_state.width = hdw->res_hor_val;  in pvr2_encoder_configure()
413 	hdw->enc_ctl_state.height = hdw->res_ver_val;  in pvr2_encoder_configure()
414 	hdw->enc_ctl_state.is_50hz = ((hdw->std_mask_cur & V4L2_STD_525_60) ?  in pvr2_encoder_configure()
423 	if (hdw->hdw_desc->flag_has_cx25840) {  in pvr2_encoder_configure()
432 	/* setup firmware to notify us about some events (don't know why...) */  in pvr2_encoder_configure()
455 			   "Failed to initialize cx23416 video input");  in pvr2_encoder_configure()
471 			  hdw->input_val == PVR2_CVAL_INPUT_RADIO ? 1 : 0);  in pvr2_encoder_start()
473 	switch (hdw->active_stream_type) {  in pvr2_encoder_start()
497 	switch (hdw->active_stream_type) {  in pvr2_encoder_stop()