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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-02-14 16:51:56 -0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-02-14 16:53:53 -0200
commit83ec8225b6aecfddafd3b1d40cf79c0d4615a84c (patch)
tree47cab661c856546689c28b96edb1de85109fb06b /drivers/media/rc/fintek-cir.c
parent3691a0dd3a3e53d4b74c7a412f7e58929b65584e (diff)
[media] fintek-cir: add support for newer chip version
Acked-by: Jarod Wilson <jarod@redhat.com> Reviewed-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/rc/fintek-cir.c')
-rw-r--r--drivers/media/rc/fintek-cir.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/media/rc/fintek-cir.c b/drivers/media/rc/fintek-cir.c
index 7f7079b12f23..392d4be91f8f 100644
--- a/drivers/media/rc/fintek-cir.c
+++ b/drivers/media/rc/fintek-cir.c
@@ -117,7 +117,7 @@ static u8 fintek_cir_reg_read(struct fintek_dev *fintek, u8 offset)
static void cir_dump_regs(struct fintek_dev *fintek)
{
fintek_config_mode_enable(fintek);
- fintek_select_logical_dev(fintek, LOGICAL_DEV_CIR);
+ fintek_select_logical_dev(fintek, fintek->logical_dev_cir);
pr_reg("%s: Dump CIR logical device registers:\n", FINTEK_DRIVER_NAME);
pr_reg(" * CR CIR BASE ADDR: 0x%x\n",
@@ -143,7 +143,7 @@ static int fintek_hw_detect(struct fintek_dev *fintek)
u8 chip_major, chip_minor;
u8 vendor_major, vendor_minor;
u8 portsel, ir_class;
- u16 vendor;
+ u16 vendor, chip;
int ret = 0;
fintek_config_mode_enable(fintek);
@@ -176,6 +176,7 @@ static int fintek_hw_detect(struct fintek_dev *fintek)
chip_major = fintek_cr_read(fintek, GCR_CHIP_ID_HI);
chip_minor = fintek_cr_read(fintek, GCR_CHIP_ID_LO);
+ chip = chip_major << 8 | chip_minor;
vendor_major = fintek_cr_read(fintek, GCR_VENDOR_ID_HI);
vendor_minor = fintek_cr_read(fintek, GCR_VENDOR_ID_LO);
@@ -192,6 +193,15 @@ static int fintek_hw_detect(struct fintek_dev *fintek)
fintek->chip_major = chip_major;
fintek->chip_minor = chip_minor;
fintek->chip_vendor = vendor;
+
+ /*
+ * Newer reviews of this chipset uses port 8 instead of 5
+ */
+ if ((chip != 0x0408) || (chip != 0x0804))
+ fintek->logical_dev_cir = LOGICAL_DEV_CIR_REV2;
+ else
+ fintek->logical_dev_cir = LOGICAL_DEV_CIR_REV1;
+
spin_unlock_irqrestore(&fintek->fintek_lock, flags);
return ret;
@@ -200,7 +210,7 @@ static int fintek_hw_detect(struct fintek_dev *fintek)
static void fintek_cir_ldev_init(struct fintek_dev *fintek)
{
/* Select CIR logical device and enable */
- fintek_select_logical_dev(fintek, LOGICAL_DEV_CIR);
+ fintek_select_logical_dev(fintek, fintek->logical_dev_cir);
fintek_cr_write(fintek, LOGICAL_DEV_ENABLE, CIR_CR_DEV_EN);
/* Write allocated CIR address and IRQ information to hardware */
@@ -381,7 +391,7 @@ static irqreturn_t fintek_cir_isr(int irq, void *data)
fit_dbg_verbose("%s firing", __func__);
fintek_config_mode_enable(fintek);
- fintek_select_logical_dev(fintek, LOGICAL_DEV_CIR);
+ fintek_select_logical_dev(fintek, fintek->logical_dev_cir);
fintek_config_mode_disable(fintek);
/*
@@ -422,7 +432,7 @@ static void fintek_enable_cir(struct fintek_dev *fintek)
fintek_config_mode_enable(fintek);
/* enable the CIR logical device */
- fintek_select_logical_dev(fintek, LOGICAL_DEV_CIR);
+ fintek_select_logical_dev(fintek, fintek->logical_dev_cir);
fintek_cr_write(fintek, LOGICAL_DEV_ENABLE, CIR_CR_DEV_EN);
fintek_config_mode_disable(fintek);
@@ -439,7 +449,7 @@ static void fintek_disable_cir(struct fintek_dev *fintek)
fintek_config_mode_enable(fintek);
/* disable the CIR logical device */
- fintek_select_logical_dev(fintek, LOGICAL_DEV_CIR);
+ fintek_select_logical_dev(fintek, fintek->logical_dev_cir);
fintek_cr_write(fintek, LOGICAL_DEV_DISABLE, CIR_CR_DEV_EN);
fintek_config_mode_disable(fintek);
@@ -611,7 +621,7 @@ static int fintek_suspend(struct pnp_dev *pdev, pm_message_t state)
fintek_config_mode_enable(fintek);
/* disable cir logical dev */
- fintek_select_logical_dev(fintek, LOGICAL_DEV_CIR);
+ fintek_select_logical_dev(fintek, fintek->logical_dev_cir);
fintek_cr_write(fintek, LOGICAL_DEV_DISABLE, CIR_CR_DEV_EN);
fintek_config_mode_disable(fintek);
@@ -634,7 +644,7 @@ static int fintek_resume(struct pnp_dev *pdev)
/* Enable CIR logical device */
fintek_config_mode_enable(fintek);
- fintek_select_logical_dev(fintek, LOGICAL_DEV_CIR);
+ fintek_select_logical_dev(fintek, fintek->logical_dev_cir);
fintek_cr_write(fintek, LOGICAL_DEV_ENABLE, CIR_CR_DEV_EN);
fintek_config_mode_disable(fintek);

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