1 // SPDX-License-Identifier: GPL-2.0-or-later
18 	struct snd_pdacf *chip = dev;  in pdacf_interrupt()  local
22 	if ((chip->chip_status & (PDAUDIOCF_STAT_IS_STALE|  in pdacf_interrupt()
27 	stat = inw(chip->port + PDAUDIOCF_REG_ISR);  in pdacf_interrupt()
30 			dev_err(chip->card->dev, "PDAUDIOCF SRAM buffer overrun detected!\n");  in pdacf_interrupt()
31 		if (chip->pcm_substream)  in pdacf_interrupt()
37 		snd_ak4117_check_rate_and_errors(chip->ak4117, 0);  in pdacf_interrupt()
43 	while (size-- > 0) {  in pdacf_transfer_mono16()
53 	while (size-- > 0) {  in pdacf_transfer_mono32()
63 	while (size-- > 0) {  in pdacf_transfer_stereo16()
73 	while (size-- > 0) {  in pdacf_transfer_stereo32()
84 	while (size-- > 0) {  in pdacf_transfer_mono16sw()
94 	while (size-- > 0) {  in pdacf_transfer_mono32sw()
104 	while (size-- > 0) {  in pdacf_transfer_stereo16sw()
114 	while (size-- > 0) {  in pdacf_transfer_stereo32sw()
128 	while (size-- > 0) {  in pdacf_transfer_mono24le()
144 	while (size-- > 0) {  in pdacf_transfer_mono24be()
160 	while (size-- > 0) {  in pdacf_transfer_stereo24le()
180 	while (size-- > 0) {  in pdacf_transfer_stereo24be()
195 static void pdacf_transfer(struct snd_pdacf *chip, unsigned int size, unsigned int off)  in pdacf_transfer()  argument
197 	unsigned long rdp_port = chip->port + PDAUDIOCF_REG_MD;  in pdacf_transfer()
198 	unsigned int xor = chip->pcm_xor;  in pdacf_transfer()
200 	if (chip->pcm_sample == 3) {  in pdacf_transfer()
201 		if (chip->pcm_little) {  in pdacf_transfer()
202 			if (chip->pcm_channels == 1) {  in pdacf_transfer()
203 				pdacf_transfer_mono24le((char *)chip->pcm_area + (off * 3), xor, size, rdp_port);  in pdacf_transfer()
205 				pdacf_transfer_stereo24le((char *)chip->pcm_area + (off * 6), xor, size, rdp_port);  in pdacf_transfer()
208 			if (chip->pcm_channels == 1) {  in pdacf_transfer()
209 				pdacf_transfer_mono24be((char *)chip->pcm_area + (off * 3), xor, size, rdp_port);  in pdacf_transfer()
211 				pdacf_transfer_stereo24be((char *)chip->pcm_area + (off * 6), xor, size, rdp_port);  in pdacf_transfer()
216 	if (chip->pcm_swab == 0) {  in pdacf_transfer()
217 		if (chip->pcm_channels == 1) {  in pdacf_transfer()
218 			if (chip->pcm_frame == 2) {  in pdacf_transfer()
219 				pdacf_transfer_mono16((u16 *)chip->pcm_area + off, xor, size, rdp_port);  in pdacf_transfer()
221 				pdacf_transfer_mono32((u32 *)chip->pcm_area + off, xor, size, rdp_port);  in pdacf_transfer()
224 			if (chip->pcm_frame == 2) {  in pdacf_transfer()
225 				pdacf_transfer_stereo16((u16 *)chip->pcm_area + (off * 2), xor, size, rdp_port);  in pdacf_transfer()
227 				pdacf_transfer_stereo32((u32 *)chip->pcm_area + (off * 2), xor, size, rdp_port);  in pdacf_transfer()
231 		if (chip->pcm_channels == 1) {  in pdacf_transfer()
232 			if (chip->pcm_frame == 2) {  in pdacf_transfer()
233 				pdacf_transfer_mono16sw((u16 *)chip->pcm_area + off, xor, size, rdp_port);  in pdacf_transfer()
235 				pdacf_transfer_mono32sw((u32 *)chip->pcm_area + off, xor, size, rdp_port);  in pdacf_transfer()
238 			if (chip->pcm_frame == 2) {  in pdacf_transfer()
239 				pdacf_transfer_stereo16sw((u16 *)chip->pcm_area + (off * 2), xor, size, rdp_port);  in pdacf_transfer()
241 				pdacf_transfer_stereo32sw((u32 *)chip->pcm_area + (off * 2), xor, size, rdp_port);  in pdacf_transfer()
249 	struct snd_pdacf *chip = dev;  in pdacf_threaded_irq()  local
250 	int size, off, cont, rdp, wdp;  in pdacf_threaded_irq()  local
252 …if ((chip->chip_status & (PDAUDIOCF_STAT_IS_STALE|PDAUDIOCF_STAT_IS_CONFIGURED)) != PDAUDIOCF_STAT…  in pdacf_threaded_irq()
255 …if (chip->pcm_substream == NULL || chip->pcm_substream->runtime == NULL || !snd_pcm_running(chip->…  in pdacf_threaded_irq()
258 	rdp = inw(chip->port + PDAUDIOCF_REG_RDP);  in pdacf_threaded_irq()
259 	wdp = inw(chip->port + PDAUDIOCF_REG_WDP);  in pdacf_threaded_irq()
260 	size = wdp - rdp;  in pdacf_threaded_irq()
265 	size /= chip->pcm_frame;  in pdacf_threaded_irq()
267 		size -= 32;  in pdacf_threaded_irq()
270 	chip->pcm_hwptr += size;  in pdacf_threaded_irq()
271 	chip->pcm_hwptr %= chip->pcm_size;  in pdacf_threaded_irq()
272 	chip->pcm_tdone += size;  in pdacf_threaded_irq()
273 	if (chip->pcm_frame == 2) {  in pdacf_threaded_irq()
274 		unsigned long rdp_port = chip->port + PDAUDIOCF_REG_MD;  in pdacf_threaded_irq()
275 		while (size-- > 0) {  in pdacf_threaded_irq()
280 		unsigned long rdp_port = chip->port + PDAUDIOCF_REG_MD;  in pdacf_threaded_irq()
281 		while (size-- > 0) {  in pdacf_threaded_irq()
288 	off = chip->pcm_hwptr + chip->pcm_tdone;  in pdacf_threaded_irq()
289 	off %= chip->pcm_size;  in pdacf_threaded_irq()
290 	chip->pcm_tdone += size;  in pdacf_threaded_irq()
292 		cont = chip->pcm_size - off;  in pdacf_threaded_irq()
295 		pdacf_transfer(chip, cont, off);  in pdacf_threaded_irq()
296 		off += cont;  in pdacf_threaded_irq()
297 		off %= chip->pcm_size;  in pdacf_threaded_irq()
298 		size -= cont;  in pdacf_threaded_irq()
301 	mutex_lock(&chip->reg_lock);  in pdacf_threaded_irq()
302 	while (chip->pcm_tdone >= chip->pcm_period) {  in pdacf_threaded_irq()
303 		chip->pcm_hwptr += chip->pcm_period;  in pdacf_threaded_irq()
304 		chip->pcm_hwptr %= chip->pcm_size;  in pdacf_threaded_irq()
305 		chip->pcm_tdone -= chip->pcm_period;  in pdacf_threaded_irq()
306 		mutex_unlock(&chip->reg_lock);  in pdacf_threaded_irq()
307 		snd_pcm_period_elapsed(chip->pcm_substream);  in pdacf_threaded_irq()
308 		mutex_lock(&chip->reg_lock);  in pdacf_threaded_irq()
310 	mutex_unlock(&chip->reg_lock);  in pdacf_threaded_irq()