diff options
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-i2c.c')
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-i2c.c | 153 |
1 files changed, 119 insertions, 34 deletions
diff --git a/drivers/media/video/ivtv/ivtv-i2c.c b/drivers/media/video/ivtv/ivtv-i2c.c index b9c71e61f7d6..2ee03c2a1b58 100644 --- a/drivers/media/video/ivtv/ivtv-i2c.c +++ b/drivers/media/video/ivtv/ivtv-i2c.c @@ -88,6 +88,11 @@ #define IVTV_UPD64083_I2C_ADDR 0x5c #define IVTV_VP27SMPX_I2C_ADDR 0x5b #define IVTV_M52790_I2C_ADDR 0x48 +#define IVTV_AVERMEDIA_IR_RX_I2C_ADDR 0x40 +#define IVTV_HAUP_EXT_IR_RX_I2C_ADDR 0x1a +#define IVTV_HAUP_INT_IR_RX_I2C_ADDR 0x18 +#define IVTV_Z8F0811_IR_TX_I2C_ADDR 0x70 +#define IVTV_Z8F0811_IR_RX_I2C_ADDR 0x71 /* This array should match the IVTV_HW_ defines */ static const u8 hw_addrs[] = { @@ -106,7 +111,12 @@ static const u8 hw_addrs[] = { IVTV_WM8739_I2C_ADDR, IVTV_VP27SMPX_I2C_ADDR, IVTV_M52790_I2C_ADDR, - 0 /* IVTV_HW_GPIO dummy driver ID */ + 0, /* IVTV_HW_GPIO dummy driver ID */ + IVTV_AVERMEDIA_IR_RX_I2C_ADDR, /* IVTV_HW_I2C_IR_RX_AVER */ + IVTV_HAUP_EXT_IR_RX_I2C_ADDR, /* IVTV_HW_I2C_IR_RX_HAUP_EXT */ + IVTV_HAUP_INT_IR_RX_I2C_ADDR, /* IVTV_HW_I2C_IR_RX_HAUP_INT */ + IVTV_Z8F0811_IR_TX_I2C_ADDR, /* IVTV_HW_Z8F0811_IR_TX_HAUP */ + IVTV_Z8F0811_IR_RX_I2C_ADDR, /* IVTV_HW_Z8F0811_IR_RX_HAUP */ }; /* This array should match the IVTV_HW_ defines */ @@ -126,7 +136,12 @@ static const char *hw_modules[] = { "wm8739", "vp27smpx", "m52790", - NULL + NULL, + NULL, /* IVTV_HW_I2C_IR_RX_AVER */ + NULL, /* IVTV_HW_I2C_IR_RX_HAUP_EXT */ + NULL, /* IVTV_HW_I2C_IR_RX_HAUP_INT */ + NULL, /* IVTV_HW_Z8F0811_IR_TX_HAUP */ + NULL, /* IVTV_HW_Z8F0811_IR_RX_HAUP */ }; /* This array should match the IVTV_HW_ defines */ @@ -147,8 +162,95 @@ static const char * const hw_devicenames[] = { "vp27smpx", "m52790", "gpio", + "ir_video", /* IVTV_HW_I2C_IR_RX_AVER */ + "ir_video", /* IVTV_HW_I2C_IR_RX_HAUP_EXT */ + "ir_video", /* IVTV_HW_I2C_IR_RX_HAUP_INT */ + "ir_tx_z8f0811_haup", /* IVTV_HW_Z8F0811_IR_TX_HAUP */ + "ir_rx_z8f0811_haup", /* IVTV_HW_Z8F0811_IR_RX_HAUP */ }; +static int ivtv_i2c_new_ir(struct ivtv *itv, u32 hw, const char *type, u8 addr) +{ + struct i2c_board_info info; + struct i2c_adapter *adap = &itv->i2c_adap; + struct IR_i2c_init_data *init_data = &itv->ir_i2c_init_data; + unsigned short addr_list[2] = { addr, I2C_CLIENT_END }; + + /* Only allow one IR transmitter to be registered per board */ + if (hw & IVTV_HW_IR_TX_ANY) { + if (itv->hw_flags & IVTV_HW_IR_TX_ANY) + return -1; + memset(&info, 0, sizeof(struct i2c_board_info)); + strlcpy(info.type, type, I2C_NAME_SIZE); + return i2c_new_probed_device(adap, &info, addr_list) == NULL + ? -1 : 0; + } + + /* Only allow one IR receiver to be registered per board */ + if (itv->hw_flags & IVTV_HW_IR_RX_ANY) + return -1; + + /* Our default information for ir-kbd-i2c.c to use */ + switch (hw) { + case IVTV_HW_I2C_IR_RX_AVER: + init_data->ir_codes = &ir_codes_avermedia_cardbus_table; + init_data->internal_get_key_func = + IR_KBD_GET_KEY_AVERMEDIA_CARDBUS; + init_data->type = IR_TYPE_OTHER; + init_data->name = "AVerMedia AVerTV card"; + break; + case IVTV_HW_I2C_IR_RX_HAUP_EXT: + case IVTV_HW_I2C_IR_RX_HAUP_INT: + /* Default to old black remote */ + init_data->ir_codes = &ir_codes_rc5_tv_table; + init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP; + init_data->type = IR_TYPE_RC5; + init_data->name = itv->card_name; + break; + case IVTV_HW_Z8F0811_IR_RX_HAUP: + /* Default to grey remote */ + init_data->ir_codes = &ir_codes_hauppauge_new_table; + init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; + init_data->type = IR_TYPE_RC5; + init_data->name = itv->card_name; + break; + } + + memset(&info, 0, sizeof(struct i2c_board_info)); + info.platform_data = init_data; + strlcpy(info.type, type, I2C_NAME_SIZE); + + return i2c_new_probed_device(adap, &info, addr_list) == NULL ? -1 : 0; +} + +/* Instantiate the IR receiver device using probing -- undesirable */ +struct i2c_client *ivtv_i2c_new_ir_legacy(struct ivtv *itv) +{ + struct i2c_board_info info; + /* + * The external IR receiver is at i2c address 0x34. + * The internal IR receiver is at i2c address 0x30. + * + * In theory, both can be fitted, and Hauppauge suggests an external + * overrides an internal. That's why we probe 0x1a (~0x34) first. CB + * + * Some of these addresses we probe may collide with other i2c address + * allocations, so this function must be called after all other i2c + * devices we care about are registered. + */ + const unsigned short addr_list[] = { + 0x1a, /* Hauppauge IR external - collides with WM8739 */ + 0x18, /* Hauppauge IR internal */ + 0x71, /* Hauppauge IR (PVR150) */ + 0x6b, /* Adaptec IR */ + I2C_CLIENT_END + }; + + memset(&info, 0, sizeof(struct i2c_board_info)); + strlcpy(info.type, "ir_video", I2C_NAME_SIZE); + return i2c_new_probed_device(&itv->i2c_adap, &info, addr_list); +} + int ivtv_i2c_register(struct ivtv *itv, unsigned idx) { struct v4l2_subdev *sd; @@ -178,8 +280,15 @@ int ivtv_i2c_register(struct ivtv *itv, unsigned idx) sd->grp_id = 1 << idx; return sd ? 0 : -1; } + + if (hw & IVTV_HW_IR_ANY) + return ivtv_i2c_new_ir(itv, hw, type, hw_addrs[idx]); + + /* Is it not an I2C device or one we do not wish to register? */ if (!hw_addrs[idx]) return -1; + + /* It's an I2C device other than an analog tuner or IR chip */ if (hw == IVTV_HW_UPD64031A || hw == IVTV_HW_UPD6408X) { sd = v4l2_i2c_new_subdev(&itv->v4l2_dev, adap, mod, type, 0, I2C_ADDRS(hw_addrs[idx])); @@ -564,20 +673,22 @@ static struct i2c_adapter ivtv_i2c_adap_template = { .owner = THIS_MODULE, }; +#define IVTV_ALGO_BIT_TIMEOUT (2) /* seconds */ + static const struct i2c_algo_bit_data ivtv_i2c_algo_template = { .setsda = ivtv_setsda_old, .setscl = ivtv_setscl_old, .getsda = ivtv_getsda_old, .getscl = ivtv_getscl_old, - .udelay = 10, - .timeout = 200, + .udelay = IVTV_DEFAULT_I2C_CLOCK_PERIOD / 2, /* microseconds */ + .timeout = IVTV_ALGO_BIT_TIMEOUT * HZ, /* jiffies */ }; static struct i2c_client ivtv_i2c_client_template = { .name = "ivtv internal", }; -/* init + register i2c adapter + instantiate IR receiver */ +/* init + register i2c adapter */ int init_ivtv_i2c(struct ivtv *itv) { int retval; @@ -585,11 +696,10 @@ int init_ivtv_i2c(struct ivtv *itv) IVTV_DEBUG_I2C("i2c init\n"); /* Sanity checks for the I2C hardware arrays. They must be the - * same size and GPIO must be the last entry. + * same size. */ if (ARRAY_SIZE(hw_devicenames) != ARRAY_SIZE(hw_addrs) || - ARRAY_SIZE(hw_devicenames) != ARRAY_SIZE(hw_modules) || - IVTV_HW_GPIO != (1 << (ARRAY_SIZE(hw_addrs) - 1))) { + ARRAY_SIZE(hw_devicenames) != ARRAY_SIZE(hw_modules)) { IVTV_ERR("Mismatched I2C hardware arrays\n"); return -ENODEV; } @@ -602,6 +712,7 @@ int init_ivtv_i2c(struct ivtv *itv) memcpy(&itv->i2c_algo, &ivtv_i2c_algo_template, sizeof(struct i2c_algo_bit_data)); } + itv->i2c_algo.udelay = itv->options.i2c_clock_period / 2; itv->i2c_algo.data = itv; itv->i2c_adap.algo_data = &itv->i2c_algo; @@ -623,32 +734,6 @@ int init_ivtv_i2c(struct ivtv *itv) else retval = i2c_bit_add_bus(&itv->i2c_adap); - /* Instantiate the IR receiver device, if present */ - if (retval == 0) { - struct i2c_board_info info; - /* The external IR receiver is at i2c address 0x34 (0x35 for - reads). Future Hauppauge cards will have an internal - receiver at 0x30 (0x31 for reads). In theory, both can be - fitted, and Hauppauge suggest an external overrides an - internal. - - That's why we probe 0x1a (~0x34) first. CB - */ - const unsigned short addr_list[] = { - 0x1a, /* Hauppauge IR external */ - 0x18, /* Hauppauge IR internal */ - 0x71, /* Hauppauge IR (PVR150) */ - 0x64, /* Pixelview IR */ - 0x30, /* KNC ONE IR */ - 0x6b, /* Adaptec IR */ - I2C_CLIENT_END - }; - - memset(&info, 0, sizeof(struct i2c_board_info)); - strlcpy(info.type, "ir_video", I2C_NAME_SIZE); - i2c_new_probed_device(&itv->i2c_adap, &info, addr_list); - } - return retval; } |