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path: root/drivers/media/rc/winbond-cir.c
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Diffstat (limited to 'drivers/media/rc/winbond-cir.c')
-rw-r--r--drivers/media/rc/winbond-cir.c266
1 files changed, 133 insertions, 133 deletions
diff --git a/drivers/media/rc/winbond-cir.c b/drivers/media/rc/winbond-cir.c
index 78491ed48d92..dc1c8305ad23 100644
--- a/drivers/media/rc/winbond-cir.c
+++ b/drivers/media/rc/winbond-cir.c
@@ -34,10 +34,6 @@
* 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.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -194,7 +190,6 @@ enum wbcir_txstate {
#define WBCIR_NAME "Winbond CIR"
#define WBCIR_ID_FAMILY 0xF1 /* Family ID for the WPCD376I */
#define WBCIR_ID_CHIP 0x04 /* Chip ID for the WPCD376I */
-#define INVALID_SCANCODE 0x7FFFFFFF /* Invalid with all protos */
#define WAKEUP_IOMEM_LEN 0x10 /* Wake-Up I/O Reg Len */
#define EHFUNC_IOMEM_LEN 0x10 /* Enhanced Func I/O Reg Len */
#define SP_IOMEM_LEN 0x08 /* Serial Port 3 (IR) Reg Len */
@@ -225,10 +220,6 @@ struct wbcir_data {
u32 txcarrier;
};
-static enum wbcir_protocol protocol = IR_PROTOCOL_RC6;
-module_param(protocol, uint, 0444);
-MODULE_PARM_DESC(protocol, "IR protocol to use for the power-on command (0 = RC5, 1 = NEC, 2 = RC6A, default)");
-
static bool invert; /* default = 0 */
module_param(invert, bool, 0444);
MODULE_PARM_DESC(invert, "Invert the signal from the IR receiver");
@@ -237,15 +228,6 @@ static bool txandrx; /* default = 0 */
module_param(txandrx, bool, 0444);
MODULE_PARM_DESC(txandrx, "Allow simultaneous TX and RX");
-static unsigned int wake_sc = 0x800F040C;
-module_param(wake_sc, uint, 0644);
-MODULE_PARM_DESC(wake_sc, "Scancode of the power-on IR command");
-
-static unsigned int wake_rc6mode = 6;
-module_param(wake_rc6mode, uint, 0644);
-MODULE_PARM_DESC(wake_rc6mode, "RC6 mode for the power-on command (0 = 0, 6 = 6A, default)");
-
-
/*****************************************************************************
*
@@ -696,138 +678,153 @@ wbcir_shutdown(struct pnp_dev *device)
{
struct device *dev = &device->dev;
struct wbcir_data *data = pnp_get_drvdata(device);
+ struct rc_dev *rc = data->dev;
bool do_wake = true;
u8 match[11];
u8 mask[11];
u8 rc6_csl = 0;
+ u8 proto;
+ u32 wake_sc = rc->scancode_wakeup_filter.data;
+ u32 mask_sc = rc->scancode_wakeup_filter.mask;
int i;
memset(match, 0, sizeof(match));
memset(mask, 0, sizeof(mask));
- if (wake_sc == INVALID_SCANCODE || !device_may_wakeup(dev)) {
+ if (!mask_sc || !device_may_wakeup(dev)) {
do_wake = false;
goto finish;
}
- switch (protocol) {
- case IR_PROTOCOL_RC5:
- if (wake_sc > 0xFFF) {
- do_wake = false;
- dev_err(dev, "RC5 - Invalid wake scancode\n");
- break;
- }
-
+ switch (rc->wakeup_protocol) {
+ case RC_TYPE_RC5:
/* Mask = 13 bits, ex toggle */
- mask[0] = 0xFF;
- mask[1] = 0x17;
+ mask[0] = (mask_sc & 0x003f);
+ mask[0] |= (mask_sc & 0x0300) >> 2;
+ mask[1] = (mask_sc & 0x1c00) >> 10;
+ if (mask_sc & 0x0040) /* 2nd start bit */
+ match[1] |= 0x10;
- match[0] = (wake_sc & 0x003F); /* 6 command bits */
- match[0] |= (wake_sc & 0x0180) >> 1; /* 2 address bits */
- match[1] = (wake_sc & 0x0E00) >> 9; /* 3 address bits */
- if (!(wake_sc & 0x0040)) /* 2nd start bit */
+ match[0] = (wake_sc & 0x003F); /* 6 command bits */
+ match[0] |= (wake_sc & 0x0300) >> 2; /* 2 address bits */
+ match[1] = (wake_sc & 0x1c00) >> 10; /* 3 address bits */
+ if (!(wake_sc & 0x0040)) /* 2nd start bit */
match[1] |= 0x10;
+ proto = IR_PROTOCOL_RC5;
break;
- case IR_PROTOCOL_NEC:
- if (wake_sc > 0xFFFFFF) {
- do_wake = false;
- dev_err(dev, "NEC - Invalid wake scancode\n");
- break;
- }
+ case RC_TYPE_NEC:
+ mask[1] = bitrev8(mask_sc);
+ mask[0] = mask[1];
+ mask[3] = bitrev8(mask_sc >> 8);
+ mask[2] = mask[3];
- mask[0] = mask[1] = mask[2] = mask[3] = 0xFF;
-
- match[1] = bitrev8((wake_sc & 0xFF));
+ match[1] = bitrev8(wake_sc);
match[0] = ~match[1];
+ match[3] = bitrev8(wake_sc >> 8);
+ match[2] = ~match[3];
- match[3] = bitrev8((wake_sc & 0xFF00) >> 8);
- if (wake_sc > 0xFFFF)
- match[2] = bitrev8((wake_sc & 0xFF0000) >> 16);
- else
- match[2] = ~match[3];
+ proto = IR_PROTOCOL_NEC;
+ break;
+
+ case RC_TYPE_NECX:
+ mask[1] = bitrev8(mask_sc);
+ mask[0] = mask[1];
+ mask[2] = bitrev8(mask_sc >> 8);
+ mask[3] = bitrev8(mask_sc >> 16);
+ match[1] = bitrev8(wake_sc);
+ match[0] = ~match[1];
+ match[2] = bitrev8(wake_sc >> 8);
+ match[3] = bitrev8(wake_sc >> 16);
+
+ proto = IR_PROTOCOL_NEC;
break;
- case IR_PROTOCOL_RC6:
+ case RC_TYPE_NEC32:
+ mask[0] = bitrev8(mask_sc);
+ mask[1] = bitrev8(mask_sc >> 8);
+ mask[2] = bitrev8(mask_sc >> 16);
+ mask[3] = bitrev8(mask_sc >> 24);
- if (wake_rc6mode == 0) {
- if (wake_sc > 0xFFFF) {
- do_wake = false;
- dev_err(dev, "RC6 - Invalid wake scancode\n");
- break;
- }
+ match[0] = bitrev8(wake_sc);
+ match[1] = bitrev8(wake_sc >> 8);
+ match[2] = bitrev8(wake_sc >> 16);
+ match[3] = bitrev8(wake_sc >> 24);
- /* Command */
- match[0] = wbcir_to_rc6cells(wake_sc >> 0);
- mask[0] = 0xFF;
- match[1] = wbcir_to_rc6cells(wake_sc >> 4);
- mask[1] = 0xFF;
-
- /* Address */
- match[2] = wbcir_to_rc6cells(wake_sc >> 8);
- mask[2] = 0xFF;
- match[3] = wbcir_to_rc6cells(wake_sc >> 12);
- mask[3] = 0xFF;
-
- /* Header */
- match[4] = 0x50; /* mode1 = mode0 = 0, ignore toggle */
- mask[4] = 0xF0;
- match[5] = 0x09; /* start bit = 1, mode2 = 0 */
- mask[5] = 0x0F;
-
- rc6_csl = 44;
-
- } else if (wake_rc6mode == 6) {
- i = 0;
-
- /* Command */
- match[i] = wbcir_to_rc6cells(wake_sc >> 0);
- mask[i++] = 0xFF;
- match[i] = wbcir_to_rc6cells(wake_sc >> 4);
- mask[i++] = 0xFF;
-
- /* Address + Toggle */
- match[i] = wbcir_to_rc6cells(wake_sc >> 8);
- mask[i++] = 0xFF;
- match[i] = wbcir_to_rc6cells(wake_sc >> 12);
- mask[i++] = 0x3F;
-
- /* Customer bits 7 - 0 */
- match[i] = wbcir_to_rc6cells(wake_sc >> 16);
- mask[i++] = 0xFF;
+ proto = IR_PROTOCOL_NEC;
+ break;
+
+ case RC_TYPE_RC6_0:
+ /* Command */
+ match[0] = wbcir_to_rc6cells(wake_sc >> 0);
+ mask[0] = wbcir_to_rc6cells(mask_sc >> 0);
+ match[1] = wbcir_to_rc6cells(wake_sc >> 4);
+ mask[1] = wbcir_to_rc6cells(mask_sc >> 4);
+
+ /* Address */
+ match[2] = wbcir_to_rc6cells(wake_sc >> 8);
+ mask[2] = wbcir_to_rc6cells(mask_sc >> 8);
+ match[3] = wbcir_to_rc6cells(wake_sc >> 12);
+ mask[3] = wbcir_to_rc6cells(mask_sc >> 12);
+
+ /* Header */
+ match[4] = 0x50; /* mode1 = mode0 = 0, ignore toggle */
+ mask[4] = 0xF0;
+ match[5] = 0x09; /* start bit = 1, mode2 = 0 */
+ mask[5] = 0x0F;
+
+ rc6_csl = 44;
+ proto = IR_PROTOCOL_RC6;
+ break;
+
+ case RC_TYPE_RC6_6A_24:
+ case RC_TYPE_RC6_6A_32:
+ case RC_TYPE_RC6_MCE:
+ i = 0;
+
+ /* Command */
+ match[i] = wbcir_to_rc6cells(wake_sc >> 0);
+ mask[i++] = wbcir_to_rc6cells(mask_sc >> 0);
+ match[i] = wbcir_to_rc6cells(wake_sc >> 4);
+ mask[i++] = wbcir_to_rc6cells(mask_sc >> 4);
+
+ /* Address + Toggle */
+ match[i] = wbcir_to_rc6cells(wake_sc >> 8);
+ mask[i++] = wbcir_to_rc6cells(mask_sc >> 8);
+ match[i] = wbcir_to_rc6cells(wake_sc >> 12);
+ mask[i++] = wbcir_to_rc6cells(mask_sc >> 12);
+
+ /* Customer bits 7 - 0 */
+ match[i] = wbcir_to_rc6cells(wake_sc >> 16);
+ mask[i++] = wbcir_to_rc6cells(mask_sc >> 16);
+
+ if (rc->wakeup_protocol == RC_TYPE_RC6_6A_20) {
+ rc6_csl = 52;
+ } else {
match[i] = wbcir_to_rc6cells(wake_sc >> 20);
- mask[i++] = 0xFF;
+ mask[i++] = wbcir_to_rc6cells(mask_sc >> 20);
- if (wake_sc & 0x80000000) {
+ if (rc->wakeup_protocol == RC_TYPE_RC6_6A_24) {
+ rc6_csl = 60;
+ } else {
/* Customer range bit and bits 15 - 8 */
match[i] = wbcir_to_rc6cells(wake_sc >> 24);
- mask[i++] = 0xFF;
+ mask[i++] = wbcir_to_rc6cells(mask_sc >> 24);
match[i] = wbcir_to_rc6cells(wake_sc >> 28);
- mask[i++] = 0xFF;
+ mask[i++] = wbcir_to_rc6cells(mask_sc >> 28);
rc6_csl = 76;
- } else if (wake_sc <= 0x007FFFFF) {
- rc6_csl = 60;
- } else {
- do_wake = false;
- dev_err(dev, "RC6 - Invalid wake scancode\n");
- break;
}
-
- /* Header */
- match[i] = 0x93; /* mode1 = mode0 = 1, submode = 0 */
- mask[i++] = 0xFF;
- match[i] = 0x0A; /* start bit = 1, mode2 = 1 */
- mask[i++] = 0x0F;
-
- } else {
- do_wake = false;
- dev_err(dev, "RC6 - Invalid wake mode\n");
}
+ /* Header */
+ match[i] = 0x93; /* mode1 = mode0 = 1, submode = 0 */
+ mask[i++] = 0xFF;
+ match[i] = 0x0A; /* start bit = 1, mode2 = 1 */
+ mask[i++] = 0x0F;
+ proto = IR_PROTOCOL_RC6;
break;
-
default:
do_wake = false;
break;
@@ -855,7 +852,8 @@ finish:
wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_EV_EN, 0x01, 0x07);
/* Set CEIR_EN */
- wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_CTL, 0x01, 0x01);
+ wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_CTL,
+ (proto << 4) | 0x01, 0x31);
} else {
/* Clear BUFF_EN, Clear END_EN, Clear MATCH_EN */
@@ -875,6 +873,15 @@ finish:
disable_irq(data->irq);
}
+/*
+ * Wakeup handling is done on shutdown.
+ */
+static int
+wbcir_set_wakeup_filter(struct rc_dev *rc, struct rc_scancode_filter *filter)
+{
+ return 0;
+}
+
static int
wbcir_suspend(struct pnp_dev *device, pm_message_t state)
{
@@ -887,16 +894,11 @@ wbcir_suspend(struct pnp_dev *device, pm_message_t state)
static void
wbcir_init_hw(struct wbcir_data *data)
{
- u8 tmp;
-
/* Disable interrupts */
wbcir_set_irqmask(data, WBCIR_IRQ_NONE);
- /* Set PROT_SEL, RX_INV, Clear CEIR_EN (needed for the led) */
- tmp = protocol << 4;
- if (invert)
- tmp |= 0x08;
- outb(tmp, data->wbase + WBCIR_REG_WCEIR_CTL);
+ /* Set RX_INV, Clear CEIR_EN (needed for the led) */
+ wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_CTL, invert ? 8 : 0, 0x09);
/* Clear status bits NEC_REP, BUFF, MSG_END, MATCH */
wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_STS, 0x17, 0x17);
@@ -1059,13 +1061,12 @@ wbcir_probe(struct pnp_dev *device, const struct pnp_device_id *dev_id)
if (err)
goto exit_free_data;
- data->dev = rc_allocate_device();
+ data->dev = rc_allocate_device(RC_DRIVER_IR_RAW);
if (!data->dev) {
err = -ENOMEM;
goto exit_unregister_led;
}
- data->dev->driver_type = RC_DRIVER_IR_RAW;
data->dev->driver_name = DRVNAME;
data->dev->input_name = WBCIR_NAME;
data->dev->input_phys = "wbcir/cir0";
@@ -1083,7 +1084,15 @@ wbcir_probe(struct pnp_dev *device, const struct pnp_device_id *dev_id)
data->dev->dev.parent = &device->dev;
data->dev->timeout = MS_TO_NS(100);
data->dev->rx_resolution = US_TO_NS(2);
- data->dev->allowed_protocols = RC_BIT_ALL;
+ data->dev->allowed_protocols = RC_BIT_ALL_IR_DECODER;
+ data->dev->allowed_wakeup_protocols = RC_BIT_NEC | RC_BIT_NECX |
+ RC_BIT_NEC32 | RC_BIT_RC5 | RC_BIT_RC6_0 |
+ RC_BIT_RC6_6A_20 | RC_BIT_RC6_6A_24 |
+ RC_BIT_RC6_6A_32 | RC_BIT_RC6_MCE;
+ data->dev->wakeup_protocol = RC_TYPE_RC6_MCE;
+ data->dev->scancode_wakeup_filter.data = 0x800f040c;
+ data->dev->scancode_wakeup_filter.mask = 0xffff7fff;
+ data->dev->s_wakeup_filter = wbcir_set_wakeup_filter;
err = rc_register_device(data->dev);
if (err)
@@ -1199,15 +1208,6 @@ wbcir_init(void)
{
int ret;
- switch (protocol) {
- case IR_PROTOCOL_RC5:
- case IR_PROTOCOL_NEC:
- case IR_PROTOCOL_RC6:
- break;
- default:
- pr_err("Invalid power-on protocol\n");
- }
-
ret = pnp_register_driver(&wbcir_driver);
if (ret)
pr_err("Unable to register driver\n");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.