Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) // Renesas R-Car DVC support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) // Copyright (C) 2014 Renesas Solutions Corp.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * Playback Volume
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  *	amixer set "DVC Out" 100%
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * Capture Volume
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  *	amixer set "DVC In" 100%
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * Playback Mute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  *	amixer set "DVC Out Mute" on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  * Capture Mute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  *	amixer set "DVC In Mute" on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21)  * Volume Ramp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22)  *	amixer set "DVC Out Ramp Up Rate"   "0.125 dB/64 steps"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23)  *	amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  *	amixer set "DVC Out Ramp" on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  *	aplay xxx.wav &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26)  *	amixer set "DVC Out"  80%  // Volume Down
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27)  *	amixer set "DVC Out" 100%  // Volume Up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #include "rsnd.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #define RSND_DVC_NAME_SIZE	16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #define DVC_NAME "dvc"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) struct rsnd_dvc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	struct rsnd_mod mod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	struct rsnd_kctrl_cfg_m volume;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	struct rsnd_kctrl_cfg_m mute;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	struct rsnd_kctrl_cfg_s ren;	/* Ramp Enable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	struct rsnd_kctrl_cfg_s rup;	/* Ramp Rate Up */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	struct rsnd_kctrl_cfg_s rdown;	/* Ramp Rate Down */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) #define rsnd_dvc_get(priv, id) ((struct rsnd_dvc *)(priv->dvc) + id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) #define rsnd_dvc_nr(priv) ((priv)->dvc_nr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) #define rsnd_mod_to_dvc(_mod)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	container_of((_mod), struct rsnd_dvc, mod)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) #define for_each_rsnd_dvc(pos, priv, i)				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	for ((i) = 0;						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	     ((i) < rsnd_dvc_nr(priv)) &&			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	     ((pos) = (struct rsnd_dvc *)(priv)->dvc + i);	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	     i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) static void rsnd_dvc_activation(struct rsnd_mod *mod)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	rsnd_mod_write(mod, DVC_SWRSR, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	rsnd_mod_write(mod, DVC_SWRSR, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) static void rsnd_dvc_halt(struct rsnd_mod *mod)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	rsnd_mod_write(mod, DVC_DVUIR, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	rsnd_mod_write(mod, DVC_SWRSR, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) #define rsnd_dvc_get_vrpdr(dvc) (rsnd_kctrl_vals(dvc->rup) << 8 | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 				 rsnd_kctrl_vals(dvc->rdown))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) #define rsnd_dvc_get_vrdbr(dvc) (0x3ff - (rsnd_kctrl_valm(dvc->volume, 0) >> 13))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) static void rsnd_dvc_volume_parameter(struct rsnd_dai_stream *io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 					      struct rsnd_mod *mod)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	u32 val[RSND_MAX_CHANNELS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	/* Enable Ramp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	if (rsnd_kctrl_vals(dvc->ren))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 		for (i = 0; i < RSND_MAX_CHANNELS; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 			val[i] = rsnd_kctrl_max(dvc->volume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 		for (i = 0; i < RSND_MAX_CHANNELS; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 			val[i] = rsnd_kctrl_valm(dvc->volume, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	/* Enable Digital Volume */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	for (i = 0; i < RSND_MAX_CHANNELS; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		rsnd_mod_write(mod, DVC_VOLxR(i), val[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) static void rsnd_dvc_volume_init(struct rsnd_dai_stream *io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 				 struct rsnd_mod *mod)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	u32 adinr = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	u32 dvucr = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	u32 vrctr = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	u32 vrpdr = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	u32 vrdbr = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	adinr = rsnd_get_adinr_bit(mod, io) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 		rsnd_runtime_channel_after_ctu(io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	/* Enable Digital Volume, Zero Cross Mute Mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	dvucr |= 0x101;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	/* Enable Ramp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	if (rsnd_kctrl_vals(dvc->ren)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 		dvucr |= 0x10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		 * FIXME !!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		 * use scale-downed Digital Volume
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		 * as Volume Ramp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 		 * 7F FFFF -> 3FF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		vrctr = 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 		vrpdr = rsnd_dvc_get_vrpdr(dvc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		vrdbr = rsnd_dvc_get_vrdbr(dvc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	/* Initialize operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	rsnd_mod_write(mod, DVC_DVUIR, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	/* General Information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	rsnd_mod_write(mod, DVC_ADINR, adinr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	rsnd_mod_write(mod, DVC_DVUCR, dvucr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	/* Volume Ramp Parameter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	rsnd_mod_write(mod, DVC_VRCTR, vrctr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	rsnd_mod_write(mod, DVC_VRPDR, vrpdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	rsnd_mod_write(mod, DVC_VRDBR, vrdbr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	/* Digital Volume Function Parameter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	rsnd_dvc_volume_parameter(io, mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	/* cancel operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	rsnd_mod_write(mod, DVC_DVUIR, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) static void rsnd_dvc_volume_update(struct rsnd_dai_stream *io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 				   struct rsnd_mod *mod)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	u32 zcmcr = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	u32 vrpdr = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	u32 vrdbr = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	for (i = 0; i < rsnd_kctrl_size(dvc->mute); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		zcmcr |= (!!rsnd_kctrl_valm(dvc->mute, i)) << i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	if (rsnd_kctrl_vals(dvc->ren)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 		vrpdr = rsnd_dvc_get_vrpdr(dvc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		vrdbr = rsnd_dvc_get_vrdbr(dvc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	/* Disable DVC Register access */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	rsnd_mod_write(mod, DVC_DVUER, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	/* Zero Cross Mute Function */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	rsnd_mod_write(mod, DVC_ZCMCR, zcmcr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	/* Volume Ramp Function */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	rsnd_mod_write(mod, DVC_VRPDR, vrpdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	rsnd_mod_write(mod, DVC_VRDBR, vrdbr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	/* add DVC_VRWTR here */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	/* Digital Volume Function Parameter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	rsnd_dvc_volume_parameter(io, mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	/* Enable DVC Register access */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	rsnd_mod_write(mod, DVC_DVUER, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) static int rsnd_dvc_probe_(struct rsnd_mod *mod,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 			   struct rsnd_dai_stream *io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 			   struct rsnd_priv *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	return rsnd_cmd_attach(io, rsnd_mod_id(mod));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) static int rsnd_dvc_init(struct rsnd_mod *mod,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 			 struct rsnd_dai_stream *io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 			 struct rsnd_priv *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	rsnd_mod_power_on(mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	rsnd_dvc_activation(mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	rsnd_dvc_volume_init(io, mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	rsnd_dvc_volume_update(io, mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static int rsnd_dvc_quit(struct rsnd_mod *mod,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 			 struct rsnd_dai_stream *io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 			 struct rsnd_priv *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	rsnd_dvc_halt(mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	rsnd_mod_power_off(mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 			    struct rsnd_dai_stream *io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 			    struct snd_soc_pcm_runtime *rtd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	int is_play = rsnd_io_is_play(io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	int channels = rsnd_rdai_channels_get(rdai);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	/* Volume */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	ret = rsnd_kctrl_new_m(mod, io, rtd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 			is_play ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 			"DVC Out Playback Volume" : "DVC In Capture Volume",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 			rsnd_kctrl_accept_anytime,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 			rsnd_dvc_volume_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 			&dvc->volume, channels,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 			0x00800000 - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	/* Mute */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	ret = rsnd_kctrl_new_m(mod, io, rtd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 			is_play ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 			"DVC Out Mute Switch" : "DVC In Mute Switch",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 			rsnd_kctrl_accept_anytime,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 			rsnd_dvc_volume_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 			&dvc->mute, channels,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 			1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	/* Ramp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	ret = rsnd_kctrl_new_s(mod, io, rtd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 			is_play ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 			"DVC Out Ramp Switch" : "DVC In Ramp Switch",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 			rsnd_kctrl_accept_anytime,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 			rsnd_dvc_volume_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 			&dvc->ren, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	ret = rsnd_kctrl_new_e(mod, io, rtd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 			is_play ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 			"DVC Out Ramp Up Rate" : "DVC In Ramp Up Rate",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 			rsnd_kctrl_accept_anytime,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 			rsnd_dvc_volume_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 			&dvc->rup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 			volume_ramp_rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 			VOLUME_RAMP_MAX_DVC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	ret = rsnd_kctrl_new_e(mod, io, rtd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 			is_play ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 			"DVC Out Ramp Down Rate" : "DVC In Ramp Down Rate",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 			rsnd_kctrl_accept_anytime,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 			rsnd_dvc_volume_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 			&dvc->rdown,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 			volume_ramp_rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 			VOLUME_RAMP_MAX_DVC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) static struct dma_chan *rsnd_dvc_dma_req(struct rsnd_dai_stream *io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 					 struct rsnd_mod *mod)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	return rsnd_dma_request_channel(rsnd_dvc_of_node(priv),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 					mod, "tx");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) static struct rsnd_mod_ops rsnd_dvc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	.name		= DVC_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	.dma_req	= rsnd_dvc_dma_req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	.probe		= rsnd_dvc_probe_,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	.init		= rsnd_dvc_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	.quit		= rsnd_dvc_quit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	.pcm_new	= rsnd_dvc_pcm_new,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	.get_status	= rsnd_mod_get_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	if (WARN_ON(id < 0 || id >= rsnd_dvc_nr(priv)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 		id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	return rsnd_mod_get(rsnd_dvc_get(priv, id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) int rsnd_dvc_probe(struct rsnd_priv *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	struct device_node *node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	struct device *dev = rsnd_priv_to_dev(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	struct rsnd_dvc *dvc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	struct clk *clk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	char name[RSND_DVC_NAME_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	int i, nr, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 	/* This driver doesn't support Gen1 at this point */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	if (rsnd_is_gen1(priv))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	node = rsnd_dvc_of_node(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 	if (!node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 		return 0; /* not used is not error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	nr = of_get_child_count(node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	if (!nr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 		goto rsnd_dvc_probe_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	dvc	= devm_kcalloc(dev, nr, sizeof(*dvc), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	if (!dvc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 		ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 		goto rsnd_dvc_probe_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	priv->dvc_nr	= nr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 	priv->dvc	= dvc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	for_each_child_of_node(node, np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 		dvc = rsnd_dvc_get(priv, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 		snprintf(name, RSND_DVC_NAME_SIZE, "%s.%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 			 DVC_NAME, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 		clk = devm_clk_get(dev, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 		if (IS_ERR(clk)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 			ret = PTR_ERR(clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 			of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 			goto rsnd_dvc_probe_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 		ret = rsnd_mod_init(priv, rsnd_mod_get(dvc), &rsnd_dvc_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 				    clk, RSND_MOD_DVC, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 		if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 			of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 			goto rsnd_dvc_probe_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) rsnd_dvc_probe_done:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	of_node_put(node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) void rsnd_dvc_remove(struct rsnd_priv *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	struct rsnd_dvc *dvc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	for_each_rsnd_dvc(dvc, priv, i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 		rsnd_mod_quit(rsnd_mod_get(dvc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) }