diff options
Diffstat (limited to 'drivers/media/pci/bt8xx/bttv-cards.c')
| -rw-r--r-- | drivers/media/pci/bt8xx/bttv-cards.c | 324 |
1 files changed, 110 insertions, 214 deletions
diff --git a/drivers/media/pci/bt8xx/bttv-cards.c b/drivers/media/pci/bt8xx/bttv-cards.c index 41055606b969..4654fb65ca21 100644 --- a/drivers/media/pci/bt8xx/bttv-cards.c +++ b/drivers/media/pci/bt8xx/bttv-cards.c @@ -84,8 +84,7 @@ static void gv800s_init(struct bttv *btv); static void td3116_muxsel(struct bttv *btv, unsigned int input); static int terratec_active_radio_upgrade(struct bttv *btv); -static int tea5757_read(struct bttv *btv); -static int tea5757_write(struct bttv *btv, int value); +static int tea575x_init(struct bttv *btv); static void identify_by_eeprom(struct bttv *btv, unsigned char eeprom_data[256]); static int pvr_boot(struct bttv *btv); @@ -3085,12 +3084,12 @@ static void miro_pinnacle_gpio(struct bttv *btv) if (0 == (gpio & 0x20)) { btv->has_radio = 1; if (!miro_fmtuner[id]) { - btv->has_matchbox = 1; - btv->mbox_we = (1<<6); - btv->mbox_most = (1<<7); - btv->mbox_clk = (1<<8); - btv->mbox_data = (1<<9); - btv->mbox_mask = (1<<6)|(1<<7)|(1<<8)|(1<<9); + btv->has_tea575x = 1; + btv->tea_gpio.wren = 6; + btv->tea_gpio.most = 7; + btv->tea_gpio.clk = 8; + btv->tea_gpio.data = 9; + tea575x_init(btv); } } else { btv->has_radio = 0; @@ -3104,7 +3103,7 @@ static void miro_pinnacle_gpio(struct bttv *btv) pr_info("%d: miro: id=%d tuner=%d radio=%s stereo=%s\n", btv->c.nr, id+1, btv->tuner_type, !btv->has_radio ? "no" : - (btv->has_matchbox ? "matchbox" : "fmtuner"), + (btv->has_tea575x ? "tea575x" : "fmtuner"), (-1 == msp) ? "no" : "yes"); } else { /* new cards with microtune tuner */ @@ -3382,12 +3381,12 @@ void bttv_init_card2(struct bttv *btv) break; case BTTV_BOARD_VHX: btv->has_radio = 1; - btv->has_matchbox = 1; - btv->mbox_we = 0x20; - btv->mbox_most = 0; - btv->mbox_clk = 0x08; - btv->mbox_data = 0x10; - btv->mbox_mask = 0x38; + btv->has_tea575x = 1; + btv->tea_gpio.wren = 5; + btv->tea_gpio.most = 6; + btv->tea_gpio.clk = 3; + btv->tea_gpio.data = 4; + tea575x_init(btv); break; case BTTV_BOARD_VOBIS_BOOSTAR: case BTTV_BOARD_TERRATV: @@ -3745,33 +3744,112 @@ static void hauppauge_eeprom(struct bttv *btv) btv->radio_uses_msp_demodulator = 1; } -static int terratec_active_radio_upgrade(struct bttv *btv) +/* ----------------------------------------------------------------------- */ + +static void bttv_tea575x_set_pins(struct snd_tea575x *tea, u8 pins) +{ + struct bttv *btv = tea->private_data; + struct bttv_tea575x_gpio gpio = btv->tea_gpio; + u16 val = 0; + + val |= (pins & TEA575X_DATA) ? (1 << gpio.data) : 0; + val |= (pins & TEA575X_CLK) ? (1 << gpio.clk) : 0; + val |= (pins & TEA575X_WREN) ? (1 << gpio.wren) : 0; + + gpio_bits((1 << gpio.data) | (1 << gpio.clk) | (1 << gpio.wren), val); + if (btv->mbox_ior) { + /* IOW and CSEL active */ + gpio_bits(btv->mbox_iow | btv->mbox_csel, 0); + udelay(5); + /* all inactive */ + gpio_bits(btv->mbox_ior | btv->mbox_iow | btv->mbox_csel, + btv->mbox_ior | btv->mbox_iow | btv->mbox_csel); + } +} + +static u8 bttv_tea575x_get_pins(struct snd_tea575x *tea) +{ + struct bttv *btv = tea->private_data; + struct bttv_tea575x_gpio gpio = btv->tea_gpio; + u8 ret = 0; + u16 val; + + if (btv->mbox_ior) { + /* IOR and CSEL active */ + gpio_bits(btv->mbox_ior | btv->mbox_csel, 0); + udelay(5); + } + val = gpio_read(); + if (btv->mbox_ior) { + /* all inactive */ + gpio_bits(btv->mbox_ior | btv->mbox_iow | btv->mbox_csel, + btv->mbox_ior | btv->mbox_iow | btv->mbox_csel); + } + + if (val & (1 << gpio.data)) + ret |= TEA575X_DATA; + if (val & (1 << gpio.most)) + ret |= TEA575X_MOST; + + return ret; +} + +static void bttv_tea575x_set_direction(struct snd_tea575x *tea, bool output) { - int freq; + struct bttv *btv = tea->private_data; + struct bttv_tea575x_gpio gpio = btv->tea_gpio; + u32 mask = (1 << gpio.clk) | (1 << gpio.wren) | (1 << gpio.data) | + (1 << gpio.most); + + if (output) + gpio_inout(mask, (1 << gpio.data) | (1 << gpio.clk) | + (1 << gpio.wren)); + else + gpio_inout(mask, (1 << gpio.clk) | (1 << gpio.wren)); +} + +static struct snd_tea575x_ops bttv_tea_ops = { + .set_pins = bttv_tea575x_set_pins, + .get_pins = bttv_tea575x_get_pins, + .set_direction = bttv_tea575x_set_direction, +}; + +static int tea575x_init(struct bttv *btv) +{ + btv->tea.private_data = btv; + btv->tea.ops = &bttv_tea_ops; + if (!snd_tea575x_hw_init(&btv->tea)) { + pr_info("%d: detected TEA575x radio\n", btv->c.nr); + btv->tea.mute = false; + return 0; + } + + btv->has_tea575x = 0; + btv->has_radio = 0; + return -ENODEV; +} + +/* ----------------------------------------------------------------------- */ + +static int terratec_active_radio_upgrade(struct bttv *btv) +{ btv->has_radio = 1; - btv->has_matchbox = 1; - btv->mbox_we = 0x10; - btv->mbox_most = 0x20; - btv->mbox_clk = 0x08; - btv->mbox_data = 0x04; - btv->mbox_mask = 0x3c; + btv->has_tea575x = 1; + btv->tea_gpio.wren = 4; + btv->tea_gpio.most = 5; + btv->tea_gpio.clk = 3; + btv->tea_gpio.data = 2; btv->mbox_iow = 1 << 8; btv->mbox_ior = 1 << 9; btv->mbox_csel = 1 << 10; - freq=88000/62.5; - tea5757_write(btv, 5 * freq + 0x358); /* write 0x1ed8 */ - if (0x1ed8 == tea5757_read(btv)) { + if (!tea575x_init(btv)) { pr_info("%d: Terratec Active Radio Upgrade found\n", btv->c.nr); - btv->has_radio = 1; - btv->has_saa6588 = 1; - btv->has_matchbox = 1; - } else { - btv->has_radio = 0; - btv->has_matchbox = 0; + btv->has_saa6588 = 1; } + return 0; } @@ -4292,181 +4370,6 @@ init_PCI8604PW(struct bttv *btv) } } - - -/* ----------------------------------------------------------------------- */ -/* Miro Pro radio stuff -- the tea5757 is connected to some GPIO ports */ -/* - * Copyright (c) 1999 Csaba Halasz <qgehali@uni-miskolc.hu> - * This code is placed under the terms of the GNU General Public License - * - * Brutally hacked by Dan Sheridan <dan.sheridan@contact.org.uk> djs52 8/3/00 - */ - -static void bus_low(struct bttv *btv, int bit) -{ - if (btv->mbox_ior) { - gpio_bits(btv->mbox_ior | btv->mbox_iow | btv->mbox_csel, - btv->mbox_ior | btv->mbox_iow | btv->mbox_csel); - udelay(5); - } - - gpio_bits(bit,0); - udelay(5); - - if (btv->mbox_ior) { - gpio_bits(btv->mbox_iow | btv->mbox_csel, 0); - udelay(5); - } -} - -static void bus_high(struct bttv *btv, int bit) -{ - if (btv->mbox_ior) { - gpio_bits(btv->mbox_ior | btv->mbox_iow | btv->mbox_csel, - btv->mbox_ior | btv->mbox_iow | btv->mbox_csel); - udelay(5); - } - - gpio_bits(bit,bit); - udelay(5); - - if (btv->mbox_ior) { - gpio_bits(btv->mbox_iow | btv->mbox_csel, 0); - udelay(5); - } -} - -static int bus_in(struct bttv *btv, int bit) -{ - if (btv->mbox_ior) { - gpio_bits(btv->mbox_ior | btv->mbox_iow | btv->mbox_csel, - btv->mbox_ior | btv->mbox_iow | btv->mbox_csel); - udelay(5); - - gpio_bits(btv->mbox_iow | btv->mbox_csel, 0); - udelay(5); - } - return gpio_read() & (bit); -} - -/* TEA5757 register bits */ -#define TEA_FREQ 0:14 -#define TEA_BUFFER 15:15 - -#define TEA_SIGNAL_STRENGTH 16:17 - -#define TEA_PORT1 18:18 -#define TEA_PORT0 19:19 - -#define TEA_BAND 20:21 -#define TEA_BAND_FM 0 -#define TEA_BAND_MW 1 -#define TEA_BAND_LW 2 -#define TEA_BAND_SW 3 - -#define TEA_MONO 22:22 -#define TEA_ALLOW_STEREO 0 -#define TEA_FORCE_MONO 1 - -#define TEA_SEARCH_DIRECTION 23:23 -#define TEA_SEARCH_DOWN 0 -#define TEA_SEARCH_UP 1 - -#define TEA_STATUS 24:24 -#define TEA_STATUS_TUNED 0 -#define TEA_STATUS_SEARCHING 1 - -/* Low-level stuff */ -static int tea5757_read(struct bttv *btv) -{ - unsigned long timeout; - int value = 0; - int i; - - /* better safe than sorry */ - gpio_inout(btv->mbox_mask, btv->mbox_clk | btv->mbox_we); - - if (btv->mbox_ior) { - gpio_bits(btv->mbox_ior | btv->mbox_iow | btv->mbox_csel, - btv->mbox_ior | btv->mbox_iow | btv->mbox_csel); - udelay(5); - } - - if (bttv_gpio) - bttv_gpio_tracking(btv,"tea5757 read"); - - bus_low(btv,btv->mbox_we); - bus_low(btv,btv->mbox_clk); - - udelay(10); - timeout= jiffies + msecs_to_jiffies(1000); - - /* wait for DATA line to go low; error if it doesn't */ - while (bus_in(btv,btv->mbox_data) && time_before(jiffies, timeout)) - schedule(); - if (bus_in(btv,btv->mbox_data)) { - pr_warn("%d: tea5757: read timeout\n", btv->c.nr); - return -1; - } - - dprintk("%d: tea5757:", btv->c.nr); - for (i = 0; i < 24; i++) { - udelay(5); - bus_high(btv,btv->mbox_clk); - udelay(5); - dprintk_cont("%c", - bus_in(btv, btv->mbox_most) == 0 ? 'T' : '-'); - bus_low(btv,btv->mbox_clk); - value <<= 1; - value |= (bus_in(btv,btv->mbox_data) == 0)?0:1; /* MSB first */ - dprintk_cont("%c", - bus_in(btv, btv->mbox_most) == 0 ? 'S' : 'M'); - } - dprintk_cont("\n"); - dprintk("%d: tea5757: read 0x%X\n", btv->c.nr, value); - return value; -} - -static int tea5757_write(struct bttv *btv, int value) -{ - int i; - int reg = value; - - gpio_inout(btv->mbox_mask, btv->mbox_clk | btv->mbox_we | btv->mbox_data); - - if (btv->mbox_ior) { - gpio_bits(btv->mbox_ior | btv->mbox_iow | btv->mbox_csel, - btv->mbox_ior | btv->mbox_iow | btv->mbox_csel); - udelay(5); - } - if (bttv_gpio) - bttv_gpio_tracking(btv,"tea5757 write"); - - dprintk("%d: tea5757: write 0x%X\n", btv->c.nr, value); - bus_low(btv,btv->mbox_clk); - bus_high(btv,btv->mbox_we); - for (i = 0; i < 25; i++) { - if (reg & 0x1000000) - bus_high(btv,btv->mbox_data); - else - bus_low(btv,btv->mbox_data); - reg <<= 1; - bus_high(btv,btv->mbox_clk); - udelay(10); - bus_low(btv,btv->mbox_clk); - udelay(10); - } - bus_low(btv,btv->mbox_we); /* unmute !!! */ - return 0; -} - -void tea5757_set_freq(struct bttv *btv, unsigned short freq) -{ - dprintk("tea5757_set_freq %d\n",freq); - tea5757_write(btv, 5 * freq + 0x358); /* add 10.7MHz (see docs) */ -} - /* RemoteVision MX (rv605) muxsel helper [Miguel Freitas] * * This is needed because rv605 don't use a normal multiplex, but a crosspoint @@ -5048,10 +4951,3 @@ int bttv_handle_chipset(struct bttv *btv) pci_write_config_byte(btv->c.pci, PCI_LATENCY_TIMER, latency); return 0; } - - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ |