[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>
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@ -37,6 +37,7 @@
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#include <media/v4l2-ioctl.h>
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#include <media/v4l2-ctrls.h>
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#include "radio-isa.h"
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#include "lm7000.h"
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MODULE_AUTHOR("M. Kirkwood");
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MODULE_DESCRIPTION("A driver for the RadioTrack/RadioReveal radio card.");
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@ -72,55 +73,38 @@ static struct radio_isa_card *rtrack_alloc(void)
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return rt ? &rt->isa : NULL;
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}
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/* The 128+64 on these outb's is to keep the volume stable while tuning.
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* Without them, the volume _will_ creep up with each frequency change
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* and bit 4 (+16) is to keep the signal strength meter enabled.
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*/
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#define AIMS_BIT_TUN_CE (1 << 0)
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#define AIMS_BIT_TUN_CLK (1 << 1)
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#define AIMS_BIT_TUN_DATA (1 << 2)
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#define AIMS_BIT_VOL_CE (1 << 3)
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#define AIMS_BIT_TUN_STRQ (1 << 4)
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/* bit 5 is not connected */
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#define AIMS_BIT_VOL_UP (1 << 6) /* active low */
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#define AIMS_BIT_VOL_DN (1 << 7) /* active low */
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static void send_0_byte(struct radio_isa_card *isa, int on)
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void rtrack_set_pins(void *handle, u8 pins)
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{
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outb_p(128+64+16+on+1, isa->io); /* wr-enable + data low */
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outb_p(128+64+16+on+2+1, isa->io); /* clock */
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msleep(1);
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}
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struct radio_isa_card *isa = handle;
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struct rtrack *rt = container_of(isa, struct rtrack, isa);
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u8 bits = AIMS_BIT_VOL_DN | AIMS_BIT_VOL_UP | AIMS_BIT_TUN_STRQ;
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static void send_1_byte(struct radio_isa_card *isa, int on)
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{
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outb_p(128+64+16+on+4+1, isa->io); /* wr-enable+data high */
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outb_p(128+64+16+on+4+2+1, isa->io); /* clock */
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msleep(1);
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if (!v4l2_ctrl_g_ctrl(rt->isa.mute))
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bits |= AIMS_BIT_VOL_CE;
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if (pins & LM7000_DATA)
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bits |= AIMS_BIT_TUN_DATA;
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if (pins & LM7000_CLK)
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bits |= AIMS_BIT_TUN_CLK;
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if (pins & LM7000_CE)
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bits |= AIMS_BIT_TUN_CE;
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outb_p(bits, rt->isa.io);
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}
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static int rtrack_s_frequency(struct radio_isa_card *isa, u32 freq)
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{
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int on = v4l2_ctrl_g_ctrl(isa->mute) ? 0 : 8;
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int i;
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lm7000_set_freq(freq, isa, rtrack_set_pins);
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freq += 171200; /* Add 10.7 MHz IF */
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freq /= 800; /* Convert to 50 kHz units */
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send_0_byte(isa, on); /* 0: LSB of frequency */
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for (i = 0; i < 13; i++) /* : frequency bits (1-13) */
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if (freq & (1 << i))
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send_1_byte(isa, on);
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else
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send_0_byte(isa, on);
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send_0_byte(isa, on); /* 14: test bit - always 0 */
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send_0_byte(isa, on); /* 15: test bit - always 0 */
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send_0_byte(isa, on); /* 16: band data 0 - always 0 */
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send_0_byte(isa, on); /* 17: band data 1 - always 0 */
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send_0_byte(isa, on); /* 18: band data 2 - always 0 */
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send_0_byte(isa, on); /* 19: time base - always 0 */
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send_0_byte(isa, on); /* 20: spacing (0 = 25 kHz) */
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send_1_byte(isa, on); /* 21: spacing (1 = 25 kHz) */
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send_0_byte(isa, on); /* 22: spacing (0 = 25 kHz) */
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send_1_byte(isa, on); /* 23: AM/FM (FM = 1, always) */
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outb(0xd0 + on, isa->io); /* volume steady + sigstr */
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return 0;
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}
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