diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-09 19:50:49 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-09 19:50:49 -0800 |
commit | 3e7468313758913c5e4d372f35b271b96bad1298 (patch) | |
tree | eb612d252a9e2349a1173451cd779beebd18a33e /drivers/media/common | |
parent | 6825fbc4cb219f2c98bb7d157915d797cf5cb823 (diff) | |
parent | e97f4677961f68e29bd906022ebf60a6df7f530a (diff) | |
download | kernel_samsung_aries-3e7468313758913c5e4d372f35b271b96bad1298.zip kernel_samsung_aries-3e7468313758913c5e4d372f35b271b96bad1298.tar.gz kernel_samsung_aries-3e7468313758913c5e4d372f35b271b96bad1298.tar.bz2 |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (345 commits)
V4L/DVB (13542): ir-keytable: Allow dynamic table change
V4L/DVB (13541): atbm8830: replace 64-bit division and floating point usage
V4L/DVB (13540): ir-common: Cleanup get key evdev code
V4L/DVB (13539): ir-common: add __func__ for debug messages
V4L/DVB (13538): ir-common: Use a dynamic keycode table
V4L/DVB (13537): ir: Prepare the code for dynamic keycode table allocation
V4L/DVB (13536): em28xx: Use the full RC5 code on HVR-950 Remote Controller
V4L/DVB (13535): ir-common: Add a hauppauge new table with the complete RC5 code
V4L/DVB (13534): ir-common: Remove some unused fields/structs
V4L/DVB (13533): ir: use dynamic tables, instead of static ones
V4L/DVB (13532): ir-common: Add infrastructure to use a dynamic keycode table
V4L/DVB (13531): ir-common: rename the debug routine to allow exporting it
V4L/DVB (13458): go7007: subdev conversion
V4L/DVB (13457): s2250: subdev conversion
V4L/DVB (13456): s2250: Change module structure
V4L/DVB (13528): em28xx: add support for em2800 VC211A card
em28xx: don't reduce scale to half size for em2800
em28xx: don't load audio modules when AC97 is mis-detected
em28xx: em2800 chips support max width of 640
V4L/DVB (13523): dvb-bt8xx: fix compile warning
...
Fix up trivial conflicts due to spelling fixes from the trivial tree in
Documentation/video4linux/gspca.txt
drivers/media/video/cx18/cx18-mailbox.h
Diffstat (limited to 'drivers/media/common')
22 files changed, 1431 insertions, 119 deletions
diff --git a/drivers/media/common/Makefile b/drivers/media/common/Makefile index 351b98b..169b337 100644 --- a/drivers/media/common/Makefile +++ b/drivers/media/common/Makefile @@ -1,6 +1,6 @@ saa7146-objs := saa7146_i2c.o saa7146_core.o saa7146_vv-objs := saa7146_fops.o saa7146_video.o saa7146_hlp.o saa7146_vbi.o -ir-common-objs := ir-functions.o ir-keymaps.o +ir-common-objs := ir-functions.o ir-keymaps.o ir-keytable.o obj-y += tuners/ obj-$(CONFIG_VIDEO_SAA7146) += saa7146.o diff --git a/drivers/media/common/ir-functions.c b/drivers/media/common/ir-functions.c index abd4791..e616f62 100644 --- a/drivers/media/common/ir-functions.c +++ b/drivers/media/common/ir-functions.c @@ -34,22 +34,19 @@ static int repeat = 1; module_param(repeat, int, 0444); MODULE_PARM_DESC(repeat,"auto-repeat for IR keys (default: on)"); -static int debug; /* debug level (0,1,2) */ -module_param(debug, int, 0644); - -#define dprintk(level, fmt, arg...) if (debug >= level) \ - printk(KERN_DEBUG fmt , ## arg) +int media_ir_debug; /* media_ir_debug level (0,1,2) */ +module_param_named(debug, media_ir_debug, int, 0644); /* -------------------------------------------------------------------------- */ static void ir_input_key_event(struct input_dev *dev, struct ir_input_state *ir) { if (KEY_RESERVED == ir->keycode) { - printk(KERN_INFO "%s: unknown key: key=0x%02x raw=0x%02x down=%d\n", - dev->name,ir->ir_key,ir->ir_raw,ir->keypressed); + printk(KERN_INFO "%s: unknown key: key=0x%02x down=%d\n", + dev->name, ir->ir_key, ir->keypressed); return; } - dprintk(1,"%s: key event code=%d down=%d\n", + IR_dprintk(1,"%s: key event code=%d down=%d\n", dev->name,ir->keycode,ir->keypressed); input_report_key(dev,ir->keycode,ir->keypressed); input_sync(dev); @@ -57,39 +54,34 @@ static void ir_input_key_event(struct input_dev *dev, struct ir_input_state *ir) /* -------------------------------------------------------------------------- */ -void ir_input_init(struct input_dev *dev, struct ir_input_state *ir, +int ir_input_init(struct input_dev *dev, struct ir_input_state *ir, int ir_type, struct ir_scancode_table *ir_codes) { - int i; - ir->ir_type = ir_type; - memset(ir->ir_codes, 0, sizeof(ir->ir_codes)); + ir->keytable.size = ir_roundup_tablesize(ir_codes->size); + ir->keytable.scan = kzalloc(ir->keytable.size * + sizeof(struct ir_scancode), GFP_KERNEL); + if (!ir->keytable.scan) + return -ENOMEM; - /* - * FIXME: This is a temporary workaround to use the new IR tables - * with the old approach. Later patches will replace this to a - * proper method - */ + IR_dprintk(1, "Allocated space for %d keycode entries (%zd bytes)\n", + ir->keytable.size, + ir->keytable.size * sizeof(ir->keytable.scan)); - if (ir_codes) - for (i = 0; i < ir_codes->size; i++) - if (ir_codes->scan[i].scancode < IR_KEYTAB_SIZE) - ir->ir_codes[ir_codes->scan[i].scancode] = ir_codes->scan[i].keycode; + ir_copy_table(&ir->keytable, ir_codes); + ir_set_keycode_table(dev, &ir->keytable); - dev->keycode = ir->ir_codes; - dev->keycodesize = sizeof(IR_KEYTAB_TYPE); - dev->keycodemax = IR_KEYTAB_SIZE; - for (i = 0; i < IR_KEYTAB_SIZE; i++) - set_bit(ir->ir_codes[i], dev->keybit); clear_bit(0, dev->keybit); - set_bit(EV_KEY, dev->evbit); if (repeat) set_bit(EV_REP, dev->evbit); + + return 0; } EXPORT_SYMBOL_GPL(ir_input_init); + void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir) { if (ir->keypressed) { @@ -100,9 +92,9 @@ void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir) EXPORT_SYMBOL_GPL(ir_input_nokey); void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir, - u32 ir_key, u32 ir_raw) + u32 ir_key) { - u32 keycode = IR_KEYCODE(ir->ir_codes, ir_key); + u32 keycode = ir_g_keycode_from_table(dev, ir_key); if (ir->keypressed && ir->keycode != keycode) { ir->keypressed = 0; @@ -110,7 +102,6 @@ void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir, } if (!ir->keypressed) { ir->ir_key = ir_key; - ir->ir_raw = ir_raw; ir->keycode = keycode; ir->keypressed = 1; ir_input_key_event(dev,ir); @@ -275,7 +266,7 @@ EXPORT_SYMBOL_GPL(ir_decode_biphase); * saa7134 */ /* decode raw bit pattern to RC5 code */ -static u32 ir_rc5_decode(unsigned int code) +u32 ir_rc5_decode(unsigned int code) { unsigned int org_code = code; unsigned int pair; @@ -295,15 +286,16 @@ static u32 ir_rc5_decode(unsigned int code) rc5 |= 1; break; case 3: - dprintk(1, "ir-common: ir_rc5_decode(%x) bad code\n", org_code); + IR_dprintk(1, "ir-common: ir_rc5_decode(%x) bad code\n", org_code); return 0; } } - dprintk(1, "ir-common: code=%x, rc5=%x, start=%x, toggle=%x, address=%x, " + IR_dprintk(1, "ir-common: code=%x, rc5=%x, start=%x, toggle=%x, address=%x, " "instr=%x\n", rc5, org_code, RC5_START(rc5), RC5_TOGGLE(rc5), RC5_ADDR(rc5), RC5_INSTR(rc5)); return rc5; } +EXPORT_SYMBOL_GPL(ir_rc5_decode); void ir_rc5_timer_end(unsigned long data) { @@ -330,20 +322,20 @@ void ir_rc5_timer_end(unsigned long data) /* Allow some timer jitter (RC5 is ~24ms anyway so this is ok) */ if (gap < 28000) { - dprintk(1, "ir-common: spurious timer_end\n"); + IR_dprintk(1, "ir-common: spurious timer_end\n"); return; } if (ir->last_bit < 20) { /* ignore spurious codes (caused by light/other remotes) */ - dprintk(1, "ir-common: short code: %x\n", ir->code); + IR_dprintk(1, "ir-common: short code: %x\n", ir->code); } else { ir->code = (ir->code << ir->shift_by) | 1; rc5 = ir_rc5_decode(ir->code); /* two start bits? */ if (RC5_START(rc5) != ir->start) { - dprintk(1, "ir-common: rc5 start bits invalid: %u\n", RC5_START(rc5)); + IR_dprintk(1, "ir-common: rc5 start bits invalid: %u\n", RC5_START(rc5)); /* right address? */ } else if (RC5_ADDR(rc5) == ir->addr) { @@ -353,11 +345,10 @@ void ir_rc5_timer_end(unsigned long data) /* Good code, decide if repeat/repress */ if (toggle != RC5_TOGGLE(ir->last_rc5) || instr != RC5_INSTR(ir->last_rc5)) { - dprintk(1, "ir-common: instruction %x, toggle %x\n", instr, + IR_dprintk(1, "ir-common: instruction %x, toggle %x\n", instr, toggle); ir_input_nokey(ir->dev, &ir->ir); - ir_input_keydown(ir->dev, &ir->ir, instr, - instr); + ir_input_keydown(ir->dev, &ir->ir, instr); } /* Set/reset key-up timer */ @@ -376,7 +367,7 @@ void ir_rc5_timer_keyup(unsigned long data) { struct card_ir *ir = (struct card_ir *)data; - dprintk(1, "ir-common: key released\n"); + IR_dprintk(1, "ir-common: key released\n"); ir_input_nokey(ir->dev, &ir->ir); } EXPORT_SYMBOL_GPL(ir_rc5_timer_keyup); diff --git a/drivers/media/common/ir-keymaps.c b/drivers/media/common/ir-keymaps.c index f679017..328c973 100644 --- a/drivers/media/common/ir-keymaps.c +++ b/drivers/media/common/ir-keymaps.c @@ -1705,6 +1705,7 @@ static struct ir_scancode ir_codes_winfast[] = { { 0x37, KEY_RADIO }, /* FM */ { 0x38, KEY_DVD }, + { 0x1a, KEY_MODE}, /* change to MCE mode on Y04G0051 */ { 0x3e, KEY_F21 }, /* MCE +VOL, on Y04G0033 */ { 0x3a, KEY_F22 }, /* MCE -VOL, on Y04G0033 */ { 0x3b, KEY_F23 }, /* MCE +CH, on Y04G0033 */ @@ -1846,6 +1847,76 @@ struct ir_scancode_table ir_codes_hauppauge_new_table = { }; EXPORT_SYMBOL_GPL(ir_codes_hauppauge_new_table); +/* + * Hauppauge:the newer, gray remotes (seems there are multiple + * slightly different versions), shipped with cx88+ivtv cards. + * + * This table contains the complete RC5 code, instead of just the data part + */ +static struct ir_scancode ir_codes_rc5_hauppauge_new[] = { + /* Keys 0 to 9 */ + { 0x1e00, KEY_0 }, + { 0x1e01, KEY_1 }, + { 0x1e02, KEY_2 }, + { 0x1e03, KEY_3 }, + { 0x1e04, KEY_4 }, + { 0x1e05, KEY_5 }, + { 0x1e06, KEY_6 }, + { 0x1e07, KEY_7 }, + { 0x1e08, KEY_8 }, + { 0x1e09, KEY_9 }, + + { 0x1e0a, KEY_TEXT }, /* keypad asterisk as well */ + { 0x1e0b, KEY_RED }, /* red button */ + { 0x1e0c, KEY_RADIO }, + { 0x1e0d, KEY_MENU }, + { 0x1e0e, KEY_SUBTITLE }, /* also the # key */ + { 0x1e0f, KEY_MUTE }, + { 0x1e10, KEY_VOLUMEUP }, + { 0x1e11, KEY_VOLUMEDOWN }, + { 0x1e12, KEY_PREVIOUS }, /* previous channel */ + { 0x1e14, KEY_UP }, + { 0x1e15, KEY_DOWN }, + { 0x1e16, KEY_LEFT }, + { 0x1e17, KEY_RIGHT }, + { 0x1e18, KEY_VIDEO }, /* Videos */ + { 0x1e19, KEY_AUDIO }, /* Music */ + /* 0x1e1a: Pictures - presume this means + "Multimedia Home Platform" - + no "PICTURES" key in input.h + */ + { 0x1e1a, KEY_MHP }, + + { 0x1e1b, KEY_EPG }, /* Guide */ + { 0x1e1c, KEY_TV }, + { 0x1e1e, KEY_NEXTSONG }, /* skip >| */ + { 0x1e1f, KEY_EXIT }, /* back/exit */ + { 0x1e20, KEY_CHANNELUP }, /* channel / program + */ + { 0x1e21, KEY_CHANNELDOWN }, /* channel / program - */ + { 0x1e22, KEY_CHANNEL }, /* source (old black remote) */ + { 0x1e24, KEY_PREVIOUSSONG }, /* replay |< */ + { 0x1e25, KEY_ENTER }, /* OK */ + { 0x1e26, KEY_SLEEP }, /* minimize (old black remote) */ + { 0x1e29, KEY_BLUE }, /* blue key */ + { 0x1e2e, KEY_GREEN }, /* green button */ + { 0x1e30, KEY_PAUSE }, /* pause */ + { 0x1e32, KEY_REWIND }, /* backward << */ + { 0x1e34, KEY_FASTFORWARD }, /* forward >> */ + { 0x1e35, KEY_PLAY }, + { 0x1e36, KEY_STOP }, + { 0x1e37, KEY_RECORD }, /* recording */ + { 0x1e38, KEY_YELLOW }, /* yellow key */ + { 0x1e3b, KEY_SELECT }, /* top right button */ + { 0x1e3c, KEY_ZOOM }, /* full */ + { 0x1e3d, KEY_POWER }, /* system power (green button) */ +}; + +struct ir_scancode_table ir_codes_rc5_hauppauge_new_table = { + .scan = ir_codes_rc5_hauppauge_new, + .size = ARRAY_SIZE(ir_codes_rc5_hauppauge_new), +}; +EXPORT_SYMBOL_GPL(ir_codes_rc5_hauppauge_new_table); + static struct ir_scancode ir_codes_npgtech[] = { { 0x1d, KEY_SWITCHVIDEOMODE }, /* switch inputs */ { 0x2a, KEY_FRONT }, @@ -2964,6 +3035,101 @@ struct ir_scancode_table ir_codes_dm1105_nec_table = { }; EXPORT_SYMBOL_GPL(ir_codes_dm1105_nec_table); +static struct ir_scancode ir_codes_tevii_nec[] = { + { 0x0a, KEY_POWER2}, + { 0x0c, KEY_MUTE}, + { 0x11, KEY_1}, + { 0x12, KEY_2}, + { 0x13, KEY_3}, + { 0x14, KEY_4}, + { 0x15, KEY_5}, + { 0x16, KEY_6}, + { 0x17, KEY_7}, + { 0x18, KEY_8}, + { 0x19, KEY_9}, + { 0x10, KEY_0}, + { 0x1c, KEY_MENU}, + { 0x0f, KEY_VOLUMEDOWN}, + { 0x1a, KEY_LAST}, + { 0x0e, KEY_OPEN}, + { 0x04, KEY_RECORD}, + { 0x09, KEY_VOLUMEUP}, + { 0x08, KEY_CHANNELUP}, + { 0x07, KEY_PVR}, + { 0x0b, KEY_TIME}, + { 0x02, KEY_RIGHT}, + { 0x03, KEY_LEFT}, + { 0x00, KEY_UP}, + { 0x1f, KEY_OK}, + { 0x01, KEY_DOWN}, + { 0x05, KEY_TUNER}, + { 0x06, KEY_CHANNELDOWN}, + { 0x40, KEY_PLAYPAUSE}, + { 0x1e, KEY_REWIND}, + { 0x1b, KEY_FAVORITES}, + { 0x1d, KEY_BACK}, + { 0x4d, KEY_FASTFORWARD}, + { 0x44, KEY_EPG}, + { 0x4c, KEY_INFO}, + { 0x41, KEY_AB}, + { 0x43, KEY_AUDIO}, + { 0x45, KEY_SUBTITLE}, + { 0x4a, KEY_LIST}, + { 0x46, KEY_F1}, + { 0x47, KEY_F2}, + { 0x5e, KEY_F3}, + { 0x5c, KEY_F4}, + { 0x52, KEY_F5}, + { 0x5a, KEY_F6}, + { 0x56, KEY_MODE}, + { 0x58, KEY_SWITCHVIDEOMODE}, +}; +struct ir_scancode_table ir_codes_tevii_nec_table = { + .scan = ir_codes_tevii_nec, + .size = ARRAY_SIZE(ir_codes_tevii_nec), +}; +EXPORT_SYMBOL_GPL(ir_codes_tevii_nec_table); + +static struct ir_scancode ir_codes_tbs_nec[] = { + { 0x04, KEY_POWER2}, /*power*/ + { 0x14, KEY_MUTE}, /*mute*/ + { 0x07, KEY_1}, + { 0x06, KEY_2}, + { 0x05, KEY_3}, + { 0x0b, KEY_4}, + { 0x0a, KEY_5}, + { 0x09, KEY_6}, + { 0x0f, KEY_7}, + { 0x0e, KEY_8}, + { 0x0d, KEY_9}, + { 0x12, KEY_0}, + { 0x16, KEY_CHANNELUP}, /*ch+*/ + { 0x11, KEY_CHANNELDOWN},/*ch-*/ + { 0x13, KEY_VOLUMEUP}, /*vol+*/ + { 0x0c, KEY_VOLUMEDOWN},/*vol-*/ + { 0x03, KEY_RECORD}, /*rec*/ + { 0x18, KEY_PAUSE}, /*pause*/ + { 0x19, KEY_OK}, /*ok*/ + { 0x1a, KEY_CAMERA}, /* snapshot */ + { 0x01, KEY_UP}, + { 0x10, KEY_LEFT}, + { 0x02, KEY_RIGHT}, + { 0x08, KEY_DOWN}, + { 0x15, KEY_FAVORITES}, + { 0x17, KEY_SUBTITLE}, + { 0x1d, KEY_ZOOM}, + { 0x1f, KEY_EXIT}, + { 0x1e, KEY_MENU}, + { 0x1c, KEY_EPG}, + { 0x00, KEY_PREVIOUS}, + { 0x1b, KEY_MODE}, +}; +struct ir_scancode_table ir_codes_tbs_nec_table = { + .scan = ir_codes_tbs_nec, + .size = ARRAY_SIZE(ir_codes_tbs_nec), +}; +EXPORT_SYMBOL_GPL(ir_codes_tbs_nec_table); + /* Terratec Cinergy Hybrid T USB XS Devin Heitmueller <dheitmueller@linuxtv.org> */ @@ -3147,3 +3313,4 @@ struct ir_scancode_table ir_codes_gadmei_rm008z_table = { .size = ARRAY_SIZE(ir_codes_gadmei_rm008z), }; EXPORT_SYMBOL_GPL(ir_codes_gadmei_rm008z_table); + diff --git a/drivers/media/common/ir-keytable.c b/drivers/media/common/ir-keytable.c new file mode 100644 index 0000000..26ce5bc --- /dev/null +++ b/drivers/media/common/ir-keytable.c @@ -0,0 +1,429 @@ +/* ir-register.c - handle IR scancode->keycode tables + * + * Copyright (C) 2009 by Mauro Carvalho Chehab <mchehab@redhat.com> + */ + +#include <linux/usb/input.h> + +#include <media/ir-common.h> + +#define IR_TAB_MIN_SIZE 32 +#define IR_TAB_MAX_SIZE 1024 + +/** + * ir_seek_table() - returns the element order on the table + * @rc_tab: the ir_scancode_table with the keymap to be used + * @scancode: the scancode that we're seeking + * + * This routine is used by the input routines when a key is pressed at the + * IR. The scancode is received and needs to be converted into a keycode. + * If the key is not found, it returns KEY_UNKNOWN. Otherwise, returns the + * corresponding keycode from the table. + */ +static int ir_seek_table(struct ir_scancode_table *rc_tab, u32 scancode) +{ + int rc; + unsigned long flags; + struct ir_scancode *keymap = rc_tab->scan; + + spin_lock_irqsave(&rc_tab->lock, flags); + + /* FIXME: replace it by a binary search */ + + for (rc = 0; rc < rc_tab->size; rc++) + if (keymap[rc].scancode == scancode) + goto exit; + + /* Not found */ + rc = -EINVAL; + +exit: + spin_unlock_irqrestore(&rc_tab->lock, flags); + return rc; +} + +/** + * ir_roundup_tablesize() - gets an optimum value for the table size + * @n_elems: minimum number of entries to store keycodes + * + * This routine is used to choose the keycode table size. + * + * In order to have some empty space for new keycodes, + * and knowing in advance that kmalloc allocates only power of two + * segments, it optimizes the allocated space to have some spare space + * for those new keycodes by using the maximum number of entries that + * will be effectively be allocated by kmalloc. + * In order to reduce the quantity of table resizes, it has a minimum + * table size of IR_TAB_MIN_SIZE. + */ +int ir_roundup_tablesize(int n_elems) +{ + size_t size; + + if (n_elems < IR_TAB_MIN_SIZE) + n_elems = IR_TAB_MIN_SIZE; + + /* + * As kmalloc only allocates sizes of power of two, get as + * much entries as possible for the allocated memory segment + */ + size = roundup_pow_of_two(n_elems * sizeof(struct ir_scancode)); + n_elems = size / sizeof(struct ir_scancode); + + return n_elems; +} + +/** + * ir_copy_table() - copies a keytable, discarding the unused entries + * @destin: destin table + * @origin: origin table + * + * Copies all entries where the keycode is not KEY_UNKNOWN/KEY_RESERVED + */ + +int ir_copy_table(struct ir_scancode_table *destin, + const struct ir_scancode_table *origin) +{ + int i, j = 0; + + for (i = 0; i < origin->size; i++) { + if (origin->scan[i].keycode == KEY_UNKNOWN || + origin->scan[i].keycode == KEY_RESERVED) + continue; + + memcpy(&destin->scan[j], &origin->scan[i], sizeof(struct ir_scancode)); + j++; + } + destin->size = j; + + IR_dprintk(1, "Copied %d scancodes to the new keycode table\n", destin->size); + + return 0; +} + +/** + * ir_getkeycode() - get a keycode at the evdev scancode ->keycode table + * @dev: the struct input_dev device descriptor + * @scancode: the desired scancode + * @keycode: the keycode to be retorned. + * + * This routine is used to handle evdev EVIOCGKEY ioctl. + * If the key is not found, returns -EINVAL, otherwise, returns 0. + */ +static int ir_getkeycode(struct input_dev *dev, + int scancode, int *keycode) +{ + int elem; + struct ir_scancode_table *rc_tab = input_get_drvdata(dev); + + elem = ir_seek_table(rc_tab, scancode); + if (elem >= 0) { + *keycode = rc_tab->scan[elem].keycode; + return 0; + } + + /* + * Scancode not found and table can't be expanded + */ + if (elem < 0 && rc_tab->size == IR_TAB_MAX_SIZE) + return -EINVAL; + + /* + * If is there extra space, returns KEY_RESERVED, + * otherwise, input core won't let ir_setkeycode to work + */ + *keycode = KEY_RESERVED; + return 0; +} + + +/** + * ir_is_resize_needed() - Check if the table needs rezise + * @table: keycode table that may need to resize + * @n_elems: minimum number of entries to store keycodes + * + * Considering that kmalloc uses power of two storage areas, this + * routine detects if the real alloced size will change. If not, it + * just returns without doing nothing. Otherwise, it will extend or + * reduce the table size to meet the new needs. + * + * It returns 0 if no resize is needed, 1 otherwise. + */ +static int ir_is_resize_needed(struct ir_scancode_table *table, int n_elems) +{ + int cur_size = ir_roundup_tablesize(table->size); + int new_size = ir_roundup_tablesize(n_elems); + + if (cur_size == new_size) + return 0; + + /* Resize is needed */ + return 1; +} + +/** + * ir_delete_key() - remove a keycode from the table + * @rc_tab: keycode table + * @elem: element to be removed + * + */ +static void ir_delete_key(struct ir_scancode_table *rc_tab, int elem) +{ + unsigned long flags = 0; + int newsize = rc_tab->size - 1; + int resize = ir_is_resize_needed(rc_tab, newsize); + struct ir_scancode *oldkeymap = rc_tab->scan; + struct ir_scancode *newkeymap; + + if (resize) { + newkeymap = kzalloc(ir_roundup_tablesize(newsize) * + sizeof(*newkeymap), GFP_ATOMIC); + + /* There's no memory for resize. Keep the old table */ + if (!newkeymap) + resize = 0; + } + + if (!resize) { + newkeymap = oldkeymap; + + /* We'll modify the live table. Lock it */ + spin_lock_irqsave(&rc_tab->lock, flags); + } + + /* + * Copy the elements before the one that will be deleted + * if (!resize), both oldkeymap and newkeymap points + * to the same place, so, there's no need to copy + */ + if (resize && elem > 0) + memcpy(newkeymap, oldkeymap, + elem * sizeof(*newkeymap)); + + /* + * Copy the other elements overwriting the element to be removed + * This operation applies to both resize and non-resize case + */ + if (elem < newsize) + memcpy(&newkeymap[elem], &oldkeymap[elem + 1], + (newsize - elem) * sizeof(*newkeymap)); + + if (resize) { + /* + * As the copy happened to a temporary table, only here + * it needs to lock while replacing the table pointers + * to use the new table + */ + spin_lock_irqsave(&rc_tab->lock, flags); + rc_tab->size = newsize; + rc_tab->scan = newkeymap; + spin_unlock_irqrestore(&rc_tab->lock, flags); + + /* Frees the old keytable */ + kfree(oldkeymap); + } else { + rc_tab->size = newsize; + spin_unlock_irqrestore(&rc_tab->lock, flags); + } +} + +/** + * ir_insert_key() - insert a keycode at the table + * @rc_tab: keycode table + * @scancode: the desired scancode + * @keycode: the keycode to be retorned. + * + */ +static int ir_insert_key(struct ir_scancode_table *rc_tab, + int scancode, int keycode) +{ + unsigned long flags; + int elem = rc_tab->size; + int newsize = rc_tab->size + 1; + int resize = ir_is_resize_needed(rc_tab, newsize); + struct ir_scancode *oldkeymap = rc_tab->scan; + struct ir_scancode *newkeymap; + + if (resize) { + newkeymap = kzalloc(ir_roundup_tablesize(newsize) * + sizeof(*newkeymap), GFP_ATOMIC); + if (!newkeymap) + return -ENOMEM; + + memcpy(newkeymap, oldkeymap, + rc_tab->size * sizeof(*newkeymap)); + } else + newkeymap = oldkeymap; + + /* Stores the new code at the table */ + IR_dprintk(1, "#%d: New scan 0x%04x with key 0x%04x\n", + rc_tab->size, scancode, keycode); + + spin_lock_irqsave(&rc_tab->lock, flags); + rc_tab->size = newsize; + if (resize) { + rc_tab->scan = newkeymap; + kfree(oldkeymap); + } + newkeymap[elem].scancode = scancode; + newkeymap[elem].keycode = keycode; + spin_unlock_irqrestore(&rc_tab->lock, flags); + + return 0; +} + +/** + * ir_setkeycode() - set a keycode at the evdev scancode ->keycode table + * @dev: the struct input_dev device descriptor + * @scancode: the desired scancode + * @keycode: the keycode to be retorned. + * + * This routine is used to handle evdev EVIOCSKEY ioctl. + * There's one caveat here: how can we increase the size of the table? + * If the key is not found, returns -EINVAL, otherwise, returns 0. + */ +static int ir_setkeycode(struct input_dev *dev, + int scancode, int keycode) +{ + int rc = 0; + struct ir_scancode_table *rc_tab = input_get_drvdata(dev); + struct ir_scancode *keymap = rc_tab->scan; + unsigned long flags; + + /* + * Handle keycode table deletions + * + * If userspace is adding a KEY_UNKNOWN or KEY_RESERVED, + * deal as a trial to remove an existing scancode attribution + * if table become too big, reduce it to save space + */ + if (keycode == KEY_UNKNOWN || keycode == KEY_RESERVED) { + rc = ir_seek_table(rc_tab, scancode); + if (rc < 0) + return 0; + + IR_dprintk(1, "#%d: Deleting scan 0x%04x\n", rc, scancode); + clear_bit(keymap[rc].keycode, dev->keybit); + ir_delete_key(rc_tab, rc); + + return 0; + } + + /* + * Handle keycode replacements + * + * If the scancode exists, just replace by the new value + */ + rc = ir_seek_table(rc_tab, scancode); + if (rc >= 0) { + IR_dprintk(1, "#%d: Replacing scan 0x%04x with key 0x%04x\n", + rc, scancode, keycode); + + clear_bit(keymap[rc].keycode, dev->keybit); + + spin_lock_irqsave(&rc_tab->lock, flags); + keymap[rc].keycode = keycode; + spin_unlock_irqrestore(&rc_tab->lock, flags); + + set_bit(keycode, dev->keybit); + + return 0; + } + + /* + * Handle new scancode inserts + * + * reallocate table if needed and insert a new keycode + */ + + /* Avoid growing the table indefinitely */ + if (rc_tab->size + 1 > IR_TAB_MAX_SIZE) + return -EINVAL; + + rc = ir_insert_key(rc_tab, scancode, keycode); + if (rc < 0) + return rc; + set_bit(keycode, dev->keybit); + + return 0; +} + +/** + * ir_g_keycode_from_table() - gets the keycode that corresponds to a scancode + * @input_dev: the struct input_dev descriptor of the device + * @scancode: the scancode that we're seeking + * + * This routine is used by the input routines when a key is pressed at the + * IR. The scancode is received and needs to be converted into a keycode. + * If the key is not found, it returns KEY_UNKNOWN. Otherwise, returns the + * corresponding keycode from the table. + */ +u32 ir_g_keycode_from_table(struct input_dev *dev, u32 scancode) +{ + struct ir_scancode_table *rc_tab = input_get_drvdata(dev); + struct ir_scancode *keymap = rc_tab->scan; + int elem; + + elem = ir_seek_table(rc_tab, scancode); + if (elem >= 0) { + IR_dprintk(1, "%s: scancode 0x%04x keycode 0x%02x\n", + dev->name, scancode, keymap[elem].keycode); + + return rc_tab->scan[elem].keycode; + } + + printk(KERN_INFO "%s: unknown key for scancode 0x%04x\n", + dev->name, scancode); + + /* Reports userspace that an unknown keycode were got */ + return KEY_RESERVED; +} + +/** + * ir_set_keycode_table() - sets the IR keycode table and add the handlers + * for keymap table get/set + * @input_dev: the struct input_dev descriptor of the device + * @rc_tab: the struct ir_scancode_table table of scancode/keymap + * + * This routine is used to initialize the input infrastructure to work with + * an IR. + * It should be called before registering the IR device. + */ +int ir_set_keycode_table(struct input_dev *input_dev, + struct ir_scancode_table *rc_tab) +{ + struct ir_scancode *keymap = rc_tab->scan; + int i; + + spin_lock_init(&rc_tab->lock); + + if (rc_tab->scan == NULL || !rc_tab->size) + return -EINVAL; + + /* set the bits for the keys */ + IR_dprintk(1, "key map size: %d\n", rc_tab->size); + for (i = 0; i < rc_tab->size; i++) { + IR_dprintk(1, "#%d: setting bit for keycode 0x%04x\n", + i, keymap[i].keycode); + set_bit(keymap[i].keycode, input_dev->keybit); + } + + input_dev->getkeycode = ir_getkeycode; + input_dev->setkeycode = ir_setkeycode; + input_set_drvdata(input_dev, rc_tab); + + return 0; +} + +void ir_input_free(struct input_dev *dev) +{ + struct ir_scancode_table *rc_tab = input_get_drvdata(dev); + + IR_dprintk(1, "Freed keycode table\n"); + + rc_tab->size = 0; + kfree(rc_tab->scan); + rc_tab->scan = NULL; +} +EXPORT_SYMBOL_GPL(ir_input_free); + diff --git a/drivers/media/common/saa7146_video.c b/drivers/media/common/saa7146_video.c index 552dab4..becbaad 100644 --- a/drivers/media/common/saa7146_video.c +++ b/drivers/media/common/saa7146_video.c @@ -1205,6 +1205,13 @@ static int buffer_activate (struct saa7146_dev *dev, return 0; } +static void release_all_pagetables(struct saa7146_dev *dev, struct saa7146_buf *buf) +{ + saa7146_pgtable_free(dev->pci, &buf->pt[0]); + saa7146_pgtable_free(dev->pci, &buf->pt[1]); + saa7146_pgtable_free(dev->pci, &buf->pt[2]); +} + static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, enum v4l2_field field) { @@ -1257,16 +1264,12 @@ static int buffer_prepare(struct videobuf_queue *q, sfmt = format_by_fourcc(dev,buf->fmt->pixelformat); + release_all_pagetables(dev, buf); if( 0 != IS_PLANAR(sfmt->trans)) { - saa7146_pgtable_free(dev->pci, &buf->pt[0]); - saa7146_pgtable_free(dev->pci, &buf->pt[1]); - saa7146_pgtable_free(dev->pci, &buf->pt[2]); - saa7146_pgtable_alloc(dev->pci, &buf->pt[0]); saa7146_pgtable_alloc(dev->pci, &buf->pt[1]); saa7146_pgtable_alloc(dev->pci, &buf->pt[2]); } else { - saa7146_pgtable_free(dev->pci, &buf->pt[0]); saa7146_pgtable_alloc(dev->pci, &buf->pt[0]); } @@ -1329,6 +1332,9 @@ static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) struct saa7146_buf *buf = (struct saa7146_buf *)vb; DEB_CAP(("vbuf:%p\n",vb)); + + release_all_pagetables(dev, buf); + saa7146_dma_free(dev,q,buf); } diff --git a/drivers/media/common/tuners/Kconfig b/drivers/media/common/tuners/Kconfig index 607d319..409a426 100644 --- a/drivers/media/common/tuners/Kconfig +++ b/drivers/media/common/tuners/Kconfig @@ -172,4 +172,11 @@ config MEDIA_TUNER_MC44S803 help Say Y here to support the Freescale MC44S803 based tuners +config MEDIA_TUNER_MAX2165 + tristate "Maxim MAX2165 silicon tuner" + depends on VIDEO_MEDIA && I2C + default m if MEDIA_TUNER_CUSTOMISE + help + A driver for the silicon tuner MAX2165 from Maxim. + endif # MEDIA_TUNER_CUSTOMISE diff --git a/drivers/media/common/tuners/Makefile b/drivers/media/common/tuners/Makefile index 4132b2b..a543852 100644 --- a/drivers/media/common/tuners/Makefile +++ b/drivers/media/common/tuners/Makefile @@ -23,6 +23,7 @@ obj-$(CONFIG_MEDIA_TUNER_MT2131) += mt2131.o obj-$(CONFIG_MEDIA_TUNER_MXL5005S) += mxl5005s.o obj-$(CONFIG_MEDIA_TUNER_MXL5007T) += mxl5007t.o obj-$(CONFIG_MEDIA_TUNER_MC44S803) += mc44s803.o +obj-$(CONFIG_MEDIA_TUNER_MAX2165) += max2165.o EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core EXTRA_CFLAGS += -Idrivers/media/dvb/frontends diff --git a/drivers/media/common/tuners/max2165.c b/drivers/media/common/tuners/max2165.c new file mode 100644 index 0000000..1b486cf --- /dev/null +++ b/drivers/media/common/tuners/max2165.c @@ -0,0 +1,442 @@ +/* + * Driver for Maxim MAX2165 silicon tuner + * + * Copyright (c) 2009 David T. L. Wong <davidtlwong@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/videodev2.h> +#include <linux/delay.h> +#include <linux/dvb/frontend.h> +#include <linux/i2c.h> + +#include "dvb_frontend.h" + +#include "max2165.h" +#include "max2165_priv.h" +#include "tuner-i2c.h" + +#define dprintk(args...) \ + do { \ + if (debug) \ + printk(KERN_DEBUG "max2165: " args); \ + } while (0) + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); + +static int max2165_write_reg(struct max2165_priv *priv, u8 reg, u8 data) +{ + int ret; + u8 buf[] = { reg, data }; + struct i2c_msg msg = { .flags = 0, .buf = buf, .len = 2 }; + + msg.addr = priv->config->i2c_address; + + if (debug >= 2) + printk(KERN_DEBUG "%s: reg=0x%02X, data=0x%02X\n", + __func__, reg, data); + + ret = i2c_transfer(priv->i2c, &msg, 1); + + if (ret != 1) + dprintk(KERN_DEBUG "%s: error reg=0x%x, data=0x%x, ret=%i\n", + __func__, reg, data, ret); + + return (ret != 1) ? -EIO : 0; +} + +static int max2165_read_reg(struct max2165_priv *priv, u8 reg, u8 *p_data) +{ + int ret; + u8 dev_addr = priv->config->i2c_address; + + u8 b0[] = { reg }; + u8 b1[] = { 0 }; + struct i2c_msg msg[] = { + { .addr = dev_addr, .flags = 0, .buf = b0, .len = 1 }, + { .addr = dev_addr, .flags = I2C_M_RD, .buf = b1, .len = 1 }, + }; + + ret = i2c_transfer(priv->i2c, msg, 2); + if (ret != 2) { + dprintk(KERN_DEBUG "%s: error reg=0x%x, ret=%i\n", + __func__, reg, ret); + return -EIO; + } + + *p_data = b1[0]; + if (debug >= 2) + printk(KERN_DEBUG "%s: reg=0x%02X, data=0x%02X\n", + __func__, reg, b1[0]); + return 0; +} + +static int max2165_mask_write_reg(struct max2165_priv *priv, u8 reg, + u8 mask, u8 data) +{ + int ret; + u8 v; + + data &= mask; + ret = max2165_read_reg(priv, reg, &v); + if (ret != 0) + return ret; + v &= ~mask; + v |= data; + ret = max2165_write_reg(priv, reg, v); + + return ret; +} + +static int max2165_read_rom_table(struct max2165_priv *priv) +{ + u8 dat[3]; + int i; + + for (i = 0; i < 3; i++) { + max2165_write_reg(priv, REG_ROM_TABLE_ADDR, i + 1); + max2165_read_reg(priv, REG_ROM_TABLE_DATA, &dat[i]); + } + + priv->tf_ntch_low_cfg = dat[0] >> 4; + priv->tf_ntch_hi_cfg = dat[0] & 0x0F; + priv->tf_balun_low_ref = dat[1] & 0x0F; + priv->tf_balun_hi_ref = dat[1] >> 4; + priv->bb_filter_7mhz_cfg = dat[2] & 0x0F; + priv->bb_filter_8mhz_cfg = dat[2] >> 4; + + dprintk("tf_ntch_low_cfg = 0x%X\n", priv->tf_ntch_low_cfg); + dprintk("tf_ntch_hi_cfg = 0x%X\n", priv->tf_ntch_hi_cfg); + dprintk("tf_balun_low_ref = 0x%X\n", priv->tf_balun_low_ref); + dprintk("tf_balun_hi_ref = 0x%X\n", priv->tf_balun_hi_ref); + dprintk("bb_filter_7mhz_cfg = 0x%X\n", priv->bb_filter_7mhz_cfg); + dprintk("bb_filter_8mhz_cfg = 0x%X\n", priv->bb_filter_8mhz_cfg); + + return 0; +} + +static int max2165_set_osc(struct max2165_priv *priv, u8 osc /*MHz*/) +{ + u8 v; + + v = (osc / 2); + if (v == 2) + v = 0x7; + else + v -= 8; + + max2165_mask_write_reg(priv, REG_PLL_CFG, 0x07, v); + + return 0; +} + +static int max2165_set_bandwidth(struct max2165_priv *priv, u32 bw) +{ + u8 val; + + if (bw == BANDWIDTH_8_MHZ) + val = priv->bb_filter_8mhz_cfg; + else + val = priv->bb_filter_7mhz_cfg; + + max2165_mask_write_reg(priv, REG_BASEBAND_CTRL, 0xF0, val << 4); + + return 0; +} + +int fixpt_div32(u32 dividend, u32 divisor, u32 *quotient, u32 *fraction) +{ + u32 remainder; + u32 q, f = 0; + int i; + + if (0 == divisor) + return -1; + + q = dividend / divisor; + remainder = dividend - q * divisor; + + for (i = 0; i < 31; i++) { + remainder <<= 1; + if (remainder >= divisor) { + f += 1; + remainder -= divisor; + } + f <<= 1; + } + + *quotient = q; + *fraction = f; + + return 0; +} + +static int max2165_set_rf(struct max2165_priv *priv, u32 freq) +{ + u8 tf; + u8 tf_ntch; + double t; + u32 quotient, fraction; + + /* Set PLL divider according to RF frequency */ + fixpt_div32(freq / 1000, priv->config->osc_clk * 1000, + "ient, &fraction); + + /* 20-bit fraction */ + fraction >>= 12; + + max2165_write_reg(priv, REG_NDIV_INT, quotient); + max2165_mask_write_reg(priv, REG_NDIV_FRAC2, 0x0F, fraction >> 16); + max2165_write_reg(priv, REG_NDIV_FRAC1, fraction >> 8); + max2165_write_reg(priv, REG_NDIV_FRAC0, fraction); + + /* Norch Filter */ + tf_ntch = (freq < 725000000) ? + priv->tf_ntch_low_cfg : priv->tf_ntch_hi_cfg; + + /* Tracking filter balun */ + t = priv->tf_balun_low_ref; + t += (priv->tf_balun_hi_ref - priv->tf_balun_low_ref) + * (freq / 1000 - 470000) / (780000 - 470000); + + tf = t; + dprintk("tf = %X\n", tf); + tf |= tf_ntch << 4; + + max2165_write_reg(priv, REG_TRACK_FILTER, tf); + + return 0; +} + +static void max2165_debug_status(struct max2165_priv *priv) +{ + u8 status, autotune; + u8 auto_vco_success, auto_vco_active; + u8 pll_locked; + u8 dc_offset_low, dc_offset_hi; + u8 signal_lv_over_threshold; + u8 vco, vco_sub_band, adc; + + max2165_read_reg(priv, REG_STATUS, &status); + max2165_read_reg(priv, REG_AUTOTUNE, &autotune); + + auto_vco_success = (status >> 6) & 0x01; + auto_vco_active = (status >> 5) & 0x01; + pll_locked = (status >> 4) & 0x01; + dc_offset_low = (status >> 3) & 0x01; + dc_offset_hi = (status >> 2) & 0x01; + signal_lv_over_threshold = status & 0x01; + + vco = autotune >> 6; + vco_sub_band = (autotune >> 3) & 0x7; + adc = autotune & 0x7; + + dprintk("auto VCO active: %d, auto VCO success: %d\n", + auto_vco_active, auto_vco_success); + dprintk("PLL locked: %d\n", pll_locked); + dprintk("DC offset low: %d, DC offset high: %d\n", + dc_offset_low, dc_offset_hi); + dprintk("Signal lvl over threshold: %d\n", signal_lv_over_threshold); + dprintk("VCO: %d, VCO Sub-band: %d, ADC: %d\n", vco, vco_sub_band, adc); +} + +static int max2165_set_params(struct dvb_frontend *fe, + struct dvb_frontend_parameters *params) +{ + struct max2165_priv *priv = fe->tuner_priv; + int ret; + + dprintk("%s() frequency=%d (Hz)\n", __func__, params->frequency); + if (fe->ops.info.type == FE_ATSC) { + return -EINVAL; + } else if (fe->ops.info.type == FE_OFDM) { + dprintk("%s() OFDM\n", __func__); + switch (params->u.ofdm.bandwidth) { + case BANDWIDTH_6_MHZ: + return -EINVAL; + case BANDWIDTH_7_MHZ: + case BANDWIDTH_8_MHZ: + priv->frequency = params->frequency; + priv->bandwidth = params->u.ofdm.bandwidth; + break; + default: + printk(KERN_ERR "MAX2165 bandwidth not set!\n"); + return -EINVAL; + } + } else { + printk(KERN_ERR "MAX2165 modulation type not supported!\n"); + return -EINVAL; + } + + dprintk("%s() frequency=%d\n", __func__, priv->frequency); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + max2165_set_bandwidth(priv, priv->bandwidth); + ret = max2165_set_rf(priv, priv->frequency); + mdelay(50); + max2165_debug_status(priv); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + + if (ret != 0) + return -EREMOTEIO; + + return 0; +} + +static int max2165_get_frequency(struct dvb_frontend *fe, u32 *freq) +{ + struct max2165_priv *priv = fe->tuner_priv; + dprintk("%s()\n", __func__); + *freq = priv->frequency; + return 0; +} + +static int max2165_get_bandwidth(struct dvb_frontend *fe, u32 *bw) +{ + struct max2165_priv *priv = fe->tuner_priv; + dprintk("%s()\n", __func__); + + *bw = priv->bandwidth; + return 0; +} + +static int max2165_get_status(struct dvb_frontend *fe, u32 *status) +{ + struct max2165_priv *priv = fe->tuner_priv; + u16 lock_status = 0; + + dprintk("%s()\n", __func__); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + + max2165_debug_status(priv); + *status = lock_status; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + + return 0; +} + +static int max2165_sleep(struct dvb_frontend *fe) +{ + dprintk("%s()\n", __func__); + return 0; +} + +static int max2165_init(struct dvb_frontend *fe) +{ + struct max2165_priv *priv = fe->tuner_priv; + dprintk("%s()\n", __func__); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + + /* Setup initial values */ + /* Fractional Mode on */ + max2165_write_reg(priv, REG_NDIV_FRAC2, 0x18); + /* LNA on */ + max2165_write_reg(priv, REG_LNA, 0x01); + max2165_write_reg(priv, REG_PLL_CFG, 0x7A); + max2165_write_reg(priv, REG_TEST, 0x08); + max2165_write_reg(priv, REG_SHUTDOWN, 0x40); + max2165_write_reg(priv, REG_VCO_CTRL, 0x84); + max2165_write_reg(priv, REG_BASEBAND_CTRL, 0xC3); + max2165_write_reg(priv, REG_DC_OFFSET_CTRL, 0x75); + max2165_write_reg(priv, REG_DC_OFFSET_DAC, 0x00); + max2165_write_reg(priv, REG_ROM_TABLE_ADDR, 0x00); + + max2165_set_osc(priv, priv->config->osc_clk); + + max2165_read_rom_table(priv); + + max2165_set_bandwidth(priv, BANDWIDTH_8_MHZ); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + + return 0; +} + +static int max2165_release(struct dvb_frontend *fe) +{ + struct max2165_priv *priv = fe->tuner_priv; + dprintk("%s()\n", __func__); + + kfree(priv); + fe->tuner_priv = NULL; + + return 0; +} + +static const struct dvb_tuner_ops max2165_tuner_ops = { + .info = { + .name = "Maxim MAX2165", + .frequency_min = 470000000, + .frequency_max = 780000000, + .frequency_step = 50000, + }, + + .release = max2165_release, + .init = max2165_init, + .sleep = max2165_sleep, + + .set_params = max2165_set_params, + .set_analog_params = NULL, + .get_frequency = max2165_get_frequency, + .get_bandwidth = max2165_get_bandwidth, + .get_status = max2165_get_status +}; + +struct dvb_frontend *max2165_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + struct max2165_config *cfg) +{ + struct max2165_priv *priv = NULL; + + dprintk("%s(%d-%04x)\n", __func__, + i2c ? i2c_adapter_id(i2c) : -1, + cfg ? cfg->i2c_address : -1); + + priv = kzalloc(sizeof(struct max2165_priv), GFP_KERNEL); + if (priv == NULL) + return NULL; + + memcpy(&fe->ops.tuner_ops, &max2165_tuner_ops, + sizeof(struct dvb_tuner_ops)); + + priv->config = cfg; + priv->i2c = i2c; + fe->tuner_priv = priv; + + max2165_init(fe); + max2165_debug_status(priv); + + return fe; +} +EXPORT_SYMBOL(max2165_attach); + +MODULE_AUTHOR("David T. L. Wong <davidtlwong@gmail.com>"); +MODULE_DESCRIPTION("Maxim MAX2165 silicon tuner driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/common/tuners/max2165.h b/drivers/media/common/tuners/max2165.h new file mode 100644 index 0000000..c063c36 --- /dev/null +++ b/drivers/media/common/tuners/max2165.h @@ -0,0 +1,48 @@ +/* + * Driver for Maxim MAX2165 silicon tuner + * + * Copyright (c) 2009 David T. L. Wong <davidtlwong@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __MAX2165_H__ +#define __MAX2165_H__ + +struct dvb_frontend; +struct i2c_adapter; + +struct max2165_config { + u8 i2c_address; + u8 osc_clk; /* in MHz, selectable values: 4,16,18,20,22,24,26,28 */ +}; + +#if defined(CONFIG_MEDIA_TUNER_MAX2165) || \ + (defined(CONFIG_MEDIA_TUNER_MAX2165_MODULE) && defined(MODULE)) +extern struct dvb_frontend *max2165_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + struct max2165_config *cfg); +#else +static inline struct dvb_frontend *max2165_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + struct max2165_config *cfg) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif diff --git a/drivers/media/common/tuners/max2165_priv.h b/drivers/media/common/tuners/max2165_priv.h new file mode 100644 index 0000000..91bbe02 --- /dev/null +++ b/drivers/media/common/tuners/max2165_priv.h @@ -0,0 +1,60 @@ +/* + * Driver for Maxim MAX2165 silicon tuner + * + * Copyright (c) 2009 David T. L. Wong <davidtlwong@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __MAX2165_PRIV_H__ +#define __MAX2165_PRIV_H__ + +#define REG_NDIV_INT 0x00 +#define REG_NDIV_FRAC2 0x01 +#define REG_NDIV_FRAC1 0x02 +#define REG_NDIV_FRAC0 0x03 +#define REG_TRACK_FILTER 0x04 +#define REG_LNA 0x05 +#define REG_PLL_CFG 0x06 +#define REG_TEST 0x07 +#define REG_SHUTDOWN 0x08 +#define REG_VCO_CTRL 0x09 +#define REG_BASEBAND_CTRL 0x0A +#define REG_DC_OFFSET_CTRL 0x0B +#define REG_DC_OFFSET_DAC 0x0C +#define REG_ROM_TABLE_ADDR 0x0D + +/* Read Only Registers */ +#define REG_ROM_TABLE_DATA 0x10 +#define REG_STATUS 0x11 +#define REG_AUTOTUNE 0x12 + +struct max2165_priv { + struct max2165_config *config; + struct i2c_adapter *i2c; + + u32 frequency; + u32 bandwidth; + + u8 tf_ntch_low_cfg; + u8 tf_ntch_hi_cfg; + u8 tf_balun_low_ref; + u8 tf_balun_hi_ref; + u8 bb_filter_7mhz_cfg; + u8 bb_filter_8mhz_cfg; +}; + +#endif diff --git a/drivers/media/common/tuners/mxl5005s.c b/drivers/media/common/tuners/mxl5005s.c index 0803dab..605e28b 100644 --- a/drivers/media/common/tuners/mxl5005s.c +++ b/drivers/media/common/tuners/mxl5005s.c @@ -2789,7 +2789,10 @@ static u16 MXL_TuneRF(struct dvb_frontend *fe, u32 RF_Freq) /* add for 2.6.5 Special setting for QAM */ if (state->Mod_Type == MXL_QAM) { - if (state->RF_IN < 680000000) + if (state->config->qam_gain != 0) + status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, + state->config->qam_gain); + else if (state->RF_IN < 680000000) status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 3); else status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 2); diff --git a/drivers/media/common/tuners/mxl5005s.h b/drivers/media/common/tuners/mxl5005s.h index 7ac6815..fc8a1ff 100644 --- a/drivers/media/common/tuners/mxl5005s.h +++ b/drivers/media/common/tuners/mxl5005s.h @@ -108,6 +108,10 @@ struct mxl5005s_config { #define MXL_LOW_IF 1 u8 if_mode; + /* Some boards need to override the built-in logic for determining + the gain when in QAM mode (the HVR-1600 is one such case) */ + u8 qam_gain; + /* Stuff I don't know what to do with */ u8 AgcMasterByte; }; diff --git a/drivers/media/common/tuners/mxl5007t.c b/drivers/media/common/tuners/mxl5007t.c index 2d02698..7eb1bf7 100644 --- a/drivers/media/common/tuners/mxl5007t.c +++ b/drivers/media/common/tuners/mxl5007t.c @@ -196,7 +196,7 @@ static void copy_reg_bits(struct reg_pair_t *reg_pair1, i = j = 0; while (reg_pair1[i].reg || reg_pair1[i].val) { - while (reg_pair2[j].reg || reg_pair2[j].reg) { + while (reg_pair2[j].reg || reg_pair2[j].val) { if (reg_pair1[i].reg != reg_pair2[j].reg) { j++; continue; diff --git a/drivers/media/common/tuners/tda18271-common.c b/drivers/media/common/tuners/tda18271-common.c index 155c93e..e1f6782 100644 --- a/drivers/media/common/tuners/tda18271-common.c +++ b/drivers/media/common/tuners/tda18271-common.c @@ -326,12 +326,24 @@ int tda18271_init_regs(struct dvb_frontend *fe) regs[R_EB22] = 0x48; regs[R_EB23] = 0xb0; - if (priv->small_i2c) { + switch (priv->small_i2c) { + case TDA18271_08_BYTE_CHUNK_INIT: + tda18271_write_regs(fe, 0x00, 0x08); + tda18271_write_regs(fe, 0x08, 0x08); + tda18271_write_regs(fe, 0x10, 0x08); + tda18271_write_regs(fe, 0x18, 0x08); + tda18271_write_regs(fe, 0x20, 0x07); + break; + case TDA18271_16_BYTE_CHUNK_INIT: tda18271_write_regs(fe, 0x00, 0x10); tda18271_write_regs(fe, 0x10, 0x10); tda18271_write_regs(fe, 0x20, 0x07); - } else + break; + case TDA18271_39_BYTE_CHUNK_INIT: + default: tda18271_write_regs(fe, 0x00, TDA18271_NUM_REGS); + break; + } /* setup agc1 gain */ regs[R_EB17] = 0x00; diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c index 3a50ce9..b2e1545 100644 --- a/drivers/media/common/tuners/tda18271-fe.c +++ b/drivers/media/common/tuners/tda18271-fe.c @@ -256,8 +256,9 @@ static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe, struct tda18271_priv *priv = fe->tuner_priv; struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; unsigned char *regs = priv->tda18271_regs; - int tm_current, rfcal_comp, approx, i, ret; - u8 dc_over_dt, rf_tab; + int i, ret; + u8 tm_current, dc_over_dt, rf_tab; + s32 rfcal_comp, approx; /* power up */ ret = tda18271_set_standby_mode(fe, 0, 0, 0); @@ -277,11 +278,11 @@ static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe, return i; if ((0 == map[i].rf3) || (freq / 1000 < map[i].rf2)) { - approx = map[i].rf_a1 * - (freq / 1000 - map[i].rf1) + map[i].rf_b1 + rf_tab; + approx = map[i].rf_a1 * (s32)(freq / 1000 - map[i].rf1) + + map[i].rf_b1 + rf_tab; } else { - approx = map[i].rf_a2 * - (freq / 1000 - map[i].rf2) + map[i].rf_b2 + rf_tab; + approx = map[i].rf_a2 * (s32)(freq / 1000 - map[i].rf2) + + map[i].rf_b2 + rf_tab; } if (approx < 0) @@ -292,9 +293,9 @@ static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe, tda18271_lookup_map(fe, RF_CAL_DC_OVER_DT, &freq, &dc_over_dt); /* calculate temperature compensation */ - rfcal_comp = dc_over_dt * (tm_current - priv->tm_rfcal) / 1000; + rfcal_comp = dc_over_dt * (s32)(tm_current - priv->tm_rfcal) / 1000; - regs[R_EB14] = approx + rfcal_comp; + regs[R_EB14] = (unsigned char)(approx + rfcal_comp); ret = tda18271_write_regs(fe, R_EB14, 1); fail: return ret; @@ -572,6 +573,7 @@ static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq) struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; unsigned char *regs = priv->tda18271_regs; int bcal, rf, i; + s32 divisor, dividend; #define RF1 0 #define RF2 1 #define RF3 2 @@ -610,20 +612,22 @@ static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq) switch (rf) { case RF1: map[i].rf_a1 = 0; - map[i].rf_b1 = prog_cal[RF1] - prog_tab[RF1]; + map[i].rf_b1 = (s32)(prog_cal[RF1] - prog_tab[RF1]); map[i].rf1 = rf_freq[RF1] / 1000; break; case RF2: - map[i].rf_a1 = (prog_cal[RF2] - prog_tab[RF2] - - prog_cal[RF1] + prog_tab[RF1]) / - (s32)((rf_freq[RF2] - rf_freq[RF1]) / 1000); + dividend = (s32)(prog_cal[RF2] - prog_tab[RF2]) - + (s32)(prog_cal[RF1] + prog_tab[RF1]); + divisor = (s32)(rf_freq[RF2] - rf_freq[RF1]) / 1000; + map[i].rf_a1 = (dividend / divisor); map[i].rf2 = rf_freq[RF2] / 1000; break; case RF3: - map[i].rf_a2 = (prog_cal[RF3] - prog_tab[RF3] - - prog_cal[RF2] + prog_tab[RF2]) / - (s32)((rf_freq[RF3] - rf_freq[RF2]) / 1000); - map[i].rf_b2 = prog_cal[RF2] - prog_tab[RF2]; + dividend = (s32)(prog_cal[RF3] - prog_tab[RF3]) - + (s32)(prog_cal[RF2] + prog_tab[RF2]); + divisor = (s32)(rf_freq[RF3] - rf_freq[RF2]) / 1000; + map[i].rf_a2 = (dividend / divisor); + map[i].rf_b2 = (s32)(prog_cal[RF2] - prog_tab[RF2]); map[i].rf3 = rf_freq[RF3] / 1000; break; default: @@ -1181,6 +1185,48 @@ static int tda18271_get_id(struct dvb_frontend *fe) return ret; } +static int tda18271_setup_configuration(struct dvb_frontend *fe, + struct tda18271_config *cfg) +{ + struct tda18271_priv *priv = fe->tuner_priv; + + priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO; + priv->role = (cfg) ? cfg->role : TDA18271_MASTER; + priv->config = (cfg) ? cfg->config : 0; + priv->small_i2c = (cfg) ? + cfg->small_i2c : TDA18271_39_BYTE_CHUNK_INIT; + priv->output_opt = (cfg) ? + cfg->output_opt : TDA18271_OUTPUT_LT_XT_ON; + + return 0; +} + +static inline int tda18271_need_cal_on_startup(struct tda18271_config *cfg) +{ + /* tda18271_cal_on_startup == -1 when cal module option is unset */ + return ((tda18271_cal_on_startup == -1) ? + /* honor configuration setting */ + ((cfg) && (cfg->rf_cal_on_startup)) : + /* module option overrides configuration setting */ + (tda18271_cal_on_startup)) ? 1 : 0; +} + +static int tda18271_set_config(struct dvb_frontend *fe, void *priv_cfg) +{ + struct tda18271_config *cfg = (struct tda18271_config *) priv_cfg; + + tda18271_setup_configuration(fe, cfg); + + if (tda18271_need_cal_on_startup(cfg)) + tda18271_init(fe); + + /* override default std map with values in config struct */ + if ((cfg) && (cfg->std_map)) + tda18271_update_std_map(fe, cfg->std_map); + + return 0; +} + static struct dvb_tuner_ops tda18271_tuner_ops = { .info = { .name = "NXP TDA18271HD", @@ -1193,6 +1239,7 @@ static struct dvb_tuner_ops tda18271_tuner_ops = { .set_params = tda18271_set_params, .set_analog_params = tda18271_set_analog_params, .release = tda18271_release, + .set_config = tda18271_set_config, .get_frequency = tda18271_get_frequency, .get_bandwidth = tda18271_get_bandwidth, }; @@ -1213,33 +1260,14 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, case 0: goto fail; case 1: - { /* new tuner instance */ - int rf_cal_on_startup; - - priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO; - priv->role = (cfg) ? cfg->role : TDA18271_MASTER; - priv->config = (cfg) ? cfg->config : 0; - priv->small_i2c = (cfg) ? cfg->small_i2c : 0; - priv->output_opt = (cfg) ? - cfg->output_opt : TDA18271_OUTPUT_LT_XT_ON; - - /* tda18271_cal_on_startup == -1 when cal - * module option is unset */ - if (tda18271_cal_on_startup == -1) { - /* honor attach-time configuration */ - rf_cal_on_startup = - ((cfg) && (cfg->rf_cal_on_startup)) ? 1 : 0; - } else { - /* module option overrides attach configuration */ - rf_cal_on_startup = tda18271_cal_on_startup; - } + fe->tuner_priv = priv; + + tda18271_setup_configuration(fe, cfg); priv->cal_initialized = false; mutex_init(&priv->lock); - fe->tuner_priv = priv; - if (tda_fail(tda18271_get_id(fe))) goto fail; @@ -1249,12 +1277,12 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, mutex_lock(&priv->lock); tda18271_init_regs(fe); - if ((rf_cal_on_startup) && (priv->id == TDA18271HDC2)) + if ((tda18271_need_cal_on_startup(cfg)) && + (priv->id == TDA18271HDC2)) tda18271c2_rf_cal_init(fe); mutex_unlock(&priv->lock); break; - } default: /* existing tuner instance */ fe->tuner_priv = priv; @@ -1271,7 +1299,11 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, priv->small_i2c = cfg->small_i2c; if (cfg->output_opt) priv->output_opt = cfg->output_opt; + if (cfg->std_map) + tda18271_update_std_map(fe, cfg->std_map); } + if (tda18271_need_cal_on_startup(cfg)) + tda18271_init(fe); break; } @@ -1298,7 +1330,7 @@ EXPORT_SYMBOL_GPL(tda18271_attach); MODULE_DESCRIPTION("NXP TDA18271HD analog / digital tuner driver"); MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>"); MODULE_LICENSE("GPL"); -MODULE_VERSION("0.3"); +MODULE_VERSION("0.4"); /* * Overrides for Emacs so that we follow Linus's tabbing style. diff --git a/drivers/media/common/tuners/tda18271-maps.c b/drivers/media/common/tuners/tda18271-maps.c index e21fdef..e7f84c7 100644 --- a/drivers/media/common/tuners/tda18271-maps.c +++ b/drivers/media/common/tuners/tda18271-maps.c @@ -978,6 +978,7 @@ static struct tda18271_cid_target_map tda18271_cid_target[] = { int tda18271_lookup_cid_target(struct dvb_frontend *fe, u32 *freq, u8 *cid_target, u16 *count_limit) { + struct tda18271_priv *priv = fe->tuner_priv; int i = 0; while ((tda18271_cid_target[i].rfmax * 1000) < *freq) { diff --git a/drivers/media/common/tuners/tda18271-priv.h b/drivers/media/common/tuners/tda18271-priv.h index 2bee229..9589ab0 100644 --- a/drivers/media/common/tuners/tda18271-priv.h +++ b/drivers/media/common/tuners/tda18271-priv.h @@ -80,10 +80,10 @@ struct tda18271_rf_tracking_filter_cal { u32 rf1; u32 rf2; u32 rf3; - int rf_a1; - int rf_b1; - int rf_a2; - int rf_b2; + s32 rf_a1; + s32 rf_b1; + s32 rf_a2; + s32 rf_b2; }; enum tda18271_pll { @@ -109,11 +109,12 @@ struct tda18271_priv { enum tda18271_i2c_gate gate; enum tda18271_ver id; enum tda18271_output_options output_opt; + enum tda18271_small_i2c small_i2c; unsigned int config; /* interface to saa713x / tda829x */ - unsigned int tm_rfcal; unsigned int cal_initialized:1; - unsigned int small_i2c:1; + + u8 tm_rfcal; struct tda18271_map_layout *maps; struct tda18271_std_map std; @@ -135,27 +136,37 @@ extern int tda18271_debug; #define DBG_ADV 8 #define DBG_CAL 16 -#define tda_printk(kern, fmt, arg...) \ - printk(kern "%s: " fmt, __func__, ##arg) - -#define tda_dprintk(lvl, fmt, arg...) do {\ +#define tda_printk(st, kern, fmt, arg...) do {\ + if (st) { \ + struct tda18271_priv *state = st; \ + printk(kern "%s: [%d-%04x|%s] " fmt, __func__, \ + i2c_adapter_id(state->i2c_props.adap), \ + state->i2c_props.addr, \ + (state->role == TDA18271_MASTER) \ + ? "M" : "S", ##arg); \ + } else \ + printk(kern "%s: " fmt, __func__, ##arg); \ +} while (0) + +#define tda_dprintk(st, lvl, fmt, arg...) do {\ if (tda18271_debug & lvl) \ - tda_printk(KERN_DEBUG, fmt, ##arg); } while (0) + tda_printk(st, KERN_DEBUG, fmt, ##arg); } while (0) #define tda_info(fmt, arg...) printk(KERN_INFO fmt, ##arg) -#define tda_warn(fmt, arg...) tda_printk(KERN_WARNING, fmt, ##arg) -#define tda_err(fmt, arg...) tda_printk(KERN_ERR, fmt, ##arg) -#define tda_dbg(fmt, arg...) tda_dprintk(DBG_INFO, fmt, ##arg) -#define tda_map(fmt, arg...) tda_dprintk(DBG_MAP, fmt, ##arg) -#define tda_reg(fmt, arg...) tda_dprintk(DBG_REG, fmt, ##arg) -#define tda_cal(fmt, arg...) tda_dprintk(DBG_CAL, fmt, ##arg) +#define tda_warn(fmt, arg...) tda_printk(priv, KERN_WARNING, fmt, ##arg) +#define tda_err(fmt, arg...) tda_printk(priv, KERN_ERR, fmt, ##arg) +#define tda_dbg(fmt, arg...) tda_dprintk(priv, DBG_INFO, fmt, ##arg) +#define tda_map(fmt, arg...) tda_dprintk(priv, DBG_MAP, fmt, ##arg) +#define tda_reg(fmt, arg...) tda_dprintk(priv, DBG_REG, fmt, ##arg) +#define tda_cal(fmt, arg...) tda_dprintk(priv, DBG_CAL, fmt, ##arg) #define tda_fail(ret) \ ({ \ int __ret; \ __ret = (ret < 0); \ if (__ret) \ - tda_printk(KERN_ERR, "error %d on line %d\n", ret, __LINE__);\ + tda_printk(priv, KERN_ERR, \ + "error %d on line %d\n", ret, __LINE__); \ __ret; \ }) diff --git a/drivers/media/common/tuners/tda18271.h b/drivers/media/common/tuners/tda18271.h index 323f291..d7fcc36 100644 --- a/drivers/media/common/tuners/tda18271.h +++ b/drivers/media/common/tuners/tda18271.h @@ -78,6 +78,12 @@ enum tda18271_output_options { TDA18271_OUTPUT_XT_OFF = 2, }; +enum tda18271_small_i2c { + TDA18271_39_BYTE_CHUNK_INIT = 0, + TDA18271_16_BYTE_CHUNK_INIT = 1, + TDA18271_08_BYTE_CHUNK_INIT = 2, +}; + struct tda18271_config { /* override default if freq / std settings (optional) */ struct tda18271_std_map *std_map; @@ -91,12 +97,12 @@ struct tda18271_config { /* output options that can be disabled */ enum tda18271_output_options output_opt; + /* some i2c providers cant write all 39 registers at once */ + enum tda18271_small_i2c small_i2c; + /* force rf tracking filter calibration on startup */ unsigned int rf_cal_on_startup:1; - /* some i2c providers cant write all 39 registers at once */ - unsigned int small_i2c:1; - /* interface to saa713x / tda829x */ unsigned int config; }; diff --git a/drivers/media/common/tuners/tda8290.c b/drivers/media/common/tuners/tda8290.c index 064d14c..c190b0d 100644 --- a/drivers/media/common/tuners/tda8290.c +++ b/drivers/media/common/tuners/tda8290.c @@ -33,6 +33,7 @@ module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "enable verbose debug messages"); static int deemphasis_50; +module_param(deemphasis_50, int, 0644); MODULE_PARM_DESC(deemphasis_50, "0 - 75us deemphasis; 1 - 50us deemphasis"); /* ---------------------------------------------------------------------- */ diff --git a/drivers/media/common/tuners/tda9887.c b/drivers/media/common/tuners/tda9887.c index 544cdbe..a71c100 100644 --- a/drivers/media/common/tuners/tda9887.c +++ b/drivers/media/common/tuners/tda9887.c @@ -463,7 +463,7 @@ static int tda9887_set_insmod(struct dvb_frontend *fe) buf[1] &= ~cQSS; } - if (adjust >= 0x00 && adjust < 0x20) { + if (adjust < 0x20) { buf[2] &= ~cTopMask; buf[2] |= adjust; } diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c index f4ffcdc..432003d 100644 --- a/drivers/media/common/tuners/xc5000.c +++ b/drivers/media/common/tuners/xc5000.c @@ -61,6 +61,7 @@ struct xc5000_priv { u32 bandwidth; u8 video_standard; u8 rf_mode; + u8 radio_input; }; /* Misc Defines */ @@ -632,8 +633,12 @@ static int xc5000_set_params(struct dvb_frontend *fe, struct xc5000_priv *priv = fe->tuner_priv; int ret; - if (xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) - xc_load_fw_and_init_tuner(fe); + if (xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) { + if (xc_load_fw_and_init_tuner(fe) != XC_RESULT_SUCCESS) { + dprintk(1, "Unable to load firmware and init tuner\n"); + return -EINVAL; + } + } dprintk(1, "%s() frequency=%d (Hz)\n", __func__, params->frequency); @@ -739,15 +744,12 @@ static int xc5000_is_firmware_loaded(struct dvb_frontend *fe) return ret; } -static int xc5000_set_analog_params(struct dvb_frontend *fe, +static int xc5000_set_tv_freq(struct dvb_frontend *fe, struct analog_parameters *params) { struct xc5000_priv *priv = fe->tuner_priv; int ret; - if (xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) - xc_load_fw_and_init_tuner(fe); - dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n", __func__, params->frequency); @@ -827,6 +829,86 @@ tune_channel: return 0; } +static int xc5000_set_radio_freq(struct dvb_frontend *fe, + struct analog_parameters *params) +{ + struct xc5000_priv *priv = fe->tuner_priv; + int ret = -EINVAL; + u8 radio_input; + + dprintk(1, "%s() frequency=%d (in units of khz)\n", + __func__, params->frequency); + + if (priv->radio_input == XC5000_RADIO_NOT_CONFIGURED) { + dprintk(1, "%s() radio input not configured\n", __func__); + return -EINVAL; + } + + if (priv->radio_input == XC5000_RADIO_FM1) + radio_input = FM_Radio_INPUT1; + else if (priv->radio_input == XC5000_RADIO_FM2) + radio_input = FM_Radio_INPUT2; + else { + dprintk(1, "%s() unknown radio input %d\n", __func__, + priv->radio_input); + return -EINVAL; + } + + priv->freq_hz = params->frequency * 125 / 2; + + priv->rf_mode = XC_RF_MODE_AIR; + + ret = xc_SetTVStandard(priv, XC5000_Standard[radio_input].VideoMode, + XC5000_Standard[radio_input].AudioMode); + + if (ret != XC_RESULT_SUCCESS) { + printk(KERN_ERR "xc5000: xc_SetTVStandard failed\n"); + return -EREMOTEIO; + } + + ret = xc_SetSignalSource(priv, priv->rf_mode); + if (ret != XC_RESULT_SUCCESS) { + printk(KERN_ERR + "xc5000: xc_SetSignalSource(%d) failed\n", + priv->rf_mode); + return -EREMOTEIO; + } + + xc_tune_channel(priv, priv->freq_hz, XC_TUNE_ANALOG); + + return 0; +} + +static int xc5000_set_analog_params(struct dvb_frontend *fe, + struct analog_parameters *params) +{ + struct xc5000_priv *priv = fe->tuner_priv; + int ret = -EINVAL; + + if (priv->i2c_props.adap == NULL) + return -EINVAL; + + if (xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) { + if (xc_load_fw_and_init_tuner(fe) != XC_RESULT_SUCCESS) { + dprintk(1, "Unable to load firmware and init tuner\n"); + return -EINVAL; + } + } + + switch (params->mode) { + case V4L2_TUNER_RADIO: + ret = xc5000_set_radio_freq(fe, params); + break; + case V4L2_TUNER_ANALOG_TV: + case V4L2_TUNER_DIGITAL_TV: + ret = xc5000_set_tv_freq(fe, params); + break; + } + + return ret; +} + + static int xc5000_get_frequency(struct dvb_frontend *fe, u32 *freq) { struct xc5000_priv *priv = fe->tuner_priv; @@ -1000,6 +1082,9 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, priv->if_khz = cfg->if_khz; } + if (priv->radio_input == 0) + priv->radio_input = cfg->radio_input; + /* Check if firmware has been loaded. It is possible that another instance of the driver has loaded the firmware. */ diff --git a/drivers/media/common/tuners/xc5000.h b/drivers/media/common/tuners/xc5000.h index f4c1466..e6d7236 100644 --- a/drivers/media/common/tuners/xc5000.h +++ b/drivers/media/common/tuners/xc5000.h @@ -30,11 +30,17 @@ struct i2c_adapter; struct xc5000_config { u8 i2c_address; u32 if_khz; + u8 radio_input; }; /* xc5000 callback command */ #define XC5000_TUNER_RESET 0 +/* Possible Radio inputs */ +#define XC5000_RADIO_NOT_CONFIGURED 0 +#define XC5000_RADIO_FM1 1 +#define XC5000_RADIO_FM2 2 + /* For each bridge framework, when it attaches either analog or digital, * it has to store a reference back to its _core equivalent structure, * so that it can service the hardware by steering gpio's etc. |