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authorOndrej Zary <linux@rainbow-software.org>2012-06-13 16:25:39 -0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-06-25 10:07:50 -0400
commit39cca6b821d636f3f19c3f92c91b34a68f76f6d1 (patch)
tree13b3bb6fe6bf41cacd0b6c6eaaa86569c9245fb1 /drivers/media/radio
parent72a770c94deb158fbb1b804c7d0395623c568272 (diff)
[media] radio-aimslab: Use LM7000 driver
Convert radio-aimslab to use generic LM7000 driver. Tested with Reveal RA300. Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/radio')
-rw-r--r--drivers/media/radio/radio-aimslab.c66
1 files changed, 25 insertions, 41 deletions
diff --git a/drivers/media/radio/radio-aimslab.c b/drivers/media/radio/radio-aimslab.c
index 98e0c8c20312..12c70e876f58 100644
--- a/drivers/media/radio/radio-aimslab.c
+++ b/drivers/media/radio/radio-aimslab.c
@@ -37,6 +37,7 @@
37#include <media/v4l2-ioctl.h> 37#include <media/v4l2-ioctl.h>
38#include <media/v4l2-ctrls.h> 38#include <media/v4l2-ctrls.h>
39#include "radio-isa.h" 39#include "radio-isa.h"
40#include "lm7000.h"
40 41
41MODULE_AUTHOR("M. Kirkwood"); 42MODULE_AUTHOR("M. Kirkwood");
42MODULE_DESCRIPTION("A driver for the RadioTrack/RadioReveal radio card."); 43MODULE_DESCRIPTION("A driver for the RadioTrack/RadioReveal radio card.");
@@ -72,55 +73,38 @@ static struct radio_isa_card *rtrack_alloc(void)
72 return rt ? &rt->isa : NULL; 73 return rt ? &rt->isa : NULL;
73} 74}
74 75
75/* The 128+64 on these outb's is to keep the volume stable while tuning. 76#define AIMS_BIT_TUN_CE (1 << 0)
76 * Without them, the volume _will_ creep up with each frequency change 77#define AIMS_BIT_TUN_CLK (1 << 1)
77 * and bit 4 (+16) is to keep the signal strength meter enabled. 78#define AIMS_BIT_TUN_DATA (1 << 2)
78 */ 79#define AIMS_BIT_VOL_CE (1 << 3)
80#define AIMS_BIT_TUN_STRQ (1 << 4)
81/* bit 5 is not connected */
82#define AIMS_BIT_VOL_UP (1 << 6) /* active low */
83#define AIMS_BIT_VOL_DN (1 << 7) /* active low */
79 84
80static void send_0_byte(struct radio_isa_card *isa, int on) 85void rtrack_set_pins(void *handle, u8 pins)
81{ 86{
82 outb_p(128+64+16+on+1, isa->io); /* wr-enable + data low */ 87 struct radio_isa_card *isa = handle;
83 outb_p(128+64+16+on+2+1, isa->io); /* clock */ 88 struct rtrack *rt = container_of(isa, struct rtrack, isa);
84 msleep(1); 89 u8 bits = AIMS_BIT_VOL_DN | AIMS_BIT_VOL_UP | AIMS_BIT_TUN_STRQ;
85}
86 90
87static void send_1_byte(struct radio_isa_card *isa, int on) 91 if (!v4l2_ctrl_g_ctrl(rt->isa.mute))
88{ 92 bits |= AIMS_BIT_VOL_CE;
89 outb_p(128+64+16+on+4+1, isa->io); /* wr-enable+data high */ 93
90 outb_p(128+64+16+on+4+2+1, isa->io); /* clock */ 94 if (pins & LM7000_DATA)
91 msleep(1); 95 bits |= AIMS_BIT_TUN_DATA;
96 if (pins & LM7000_CLK)
97 bits |= AIMS_BIT_TUN_CLK;
98 if (pins & LM7000_CE)
99 bits |= AIMS_BIT_TUN_CE;
100
101 outb_p(bits, rt->isa.io);
92} 102}
93 103
94static int rtrack_s_frequency(struct radio_isa_card *isa, u32 freq) 104static int rtrack_s_frequency(struct radio_isa_card *isa, u32 freq)
95{ 105{
96 int on = v4l2_ctrl_g_ctrl(isa->mute) ? 0 : 8; 106 lm7000_set_freq(freq, isa, rtrack_set_pins);
97 int i;
98
99 freq += 171200; /* Add 10.7 MHz IF */
100 freq /= 800; /* Convert to 50 kHz units */
101
102 send_0_byte(isa, on); /* 0: LSB of frequency */
103
104 for (i = 0; i < 13; i++) /* : frequency bits (1-13) */
105 if (freq & (1 << i))
106 send_1_byte(isa, on);
107 else
108 send_0_byte(isa, on);
109
110 send_0_byte(isa, on); /* 14: test bit - always 0 */
111 send_0_byte(isa, on); /* 15: test bit - always 0 */
112
113 send_0_byte(isa, on); /* 16: band data 0 - always 0 */
114 send_0_byte(isa, on); /* 17: band data 1 - always 0 */
115 send_0_byte(isa, on); /* 18: band data 2 - always 0 */
116 send_0_byte(isa, on); /* 19: time base - always 0 */
117
118 send_0_byte(isa, on); /* 20: spacing (0 = 25 kHz) */
119 send_1_byte(isa, on); /* 21: spacing (1 = 25 kHz) */
120 send_0_byte(isa, on); /* 22: spacing (0 = 25 kHz) */
121 send_1_byte(isa, on); /* 23: AM/FM (FM = 1, always) */
122 107
123 outb(0xd0 + on, isa->io); /* volume steady + sigstr */
124 return 0; 108 return 0;
125} 109}
126 110