media/radio/radio-zoltrix.c

33  * Converted to the radio-isa framework by Hans Verkuil <hans.verkuil@cisco.com>
52 #include "radio-isa.h"
75 	struct radio_isa_card isa;
84 	return zol ? &zol->isa : NULL;
87 static int zoltrix_s_mute_volume(struct radio_isa_card *isa, bool mute, int vol)
89 	struct zoltrix *zol = container_of(isa, struct zoltrix, isa);
94 		outb(0, isa->io);
95 		outb(0, isa->io);
96 		inb(isa->io + 3);            /* Zoltrix needs to be read to confirm */
100 	outb(vol - 1, isa->io);
102 	inb(isa->io + 2);
107 static int zoltrix_s_frequency(struct radio_isa_card *isa, u32 freq)
109 	struct zoltrix *zol = container_of(isa, struct zoltrix, isa);
110 	struct v4l2_device *v4l2_dev = &isa->v4l2_dev;
112 	bool stereo = isa->stereo;
126 	outb(0, isa->io);
127 	outb(0, isa->io);
128 	inb(isa->io + 3);            /* Zoltrix needs to be read to confirm */
130 	outb(0x40, isa->io);
131 	outb(0xc0, isa->io);
136 			outb(0x80, isa->io);
138 			outb(0x00, isa->io);
140 			outb(0x80, isa->io);
143 			outb(0xc0, isa->io);
145 			outb(0x40, isa->io);
147 			outb(0xc0, isa->io);
153 	outb(0x80, isa->io);
154 	outb(0xc0, isa->io);
155 	outb(0x40, isa->io);
157 	inb(isa->io + 2);
160 	return zoltrix_s_mute_volume(isa, zol->muted, zol->curvol);
164 static u32 zoltrix_g_rxsubchans(struct radio_isa_card *isa)
166 	struct zoltrix *zol = container_of(isa, struct zoltrix, isa);
169 	outb(0x00, isa->io);         /* This stuff I found to do nothing */
170 	outb(zol->curvol, isa->io);
173 	a = inb(isa->io);
175 	b = inb(isa->io);
181 static u32 zoltrix_g_signal(struct radio_isa_card *isa)
183 	struct zoltrix *zol = container_of(isa, struct zoltrix, isa);
186 	outb(0x00, isa->io);         /* This stuff I found to do nothing */
187 	outb(zol->curvol, isa->io);
190 	a = inb(isa->io);
192 	b = inb(isa->io);
201 static int zoltrix_s_stereo(struct radio_isa_card *isa, bool stereo)
203 	return zoltrix_s_frequency(isa, isa->freq);